52results about How to "Reliable sealed connection" patented technology

The invention discloses a carbon dioxide exploder, and belongs to the technical field of exploding devices. The carbon dioxide exploder comprises an energy relief valve, a main body pipe and a start mechanism. The energy relief valve and the start mechanism are fixed to the two ends of the main body pipe respectively. The energy relief valve comprises an energy relief valve sleeve, an energy relief valve element and a spring. The energy relief valve element is in a ladder cylinder shape with the two ends being open. The exploder comprises a compression cylinder with the large outer diameter and an energy relief cylinder with the small outer diameter. A partition plate is arranged between the compression cylinder and the energy relief cylinder. Correspondingly an inner cavity of the energy relief valve sleeve is a ladder-shaped inner cavity. One end of the energy relief valve sleeve is connected with the main body pipe in a sealed mode. The spring is arranged in the energy relief valve sleeve. One end of the spring enters the compression cylinder. Energy relief inner holes are formed in the energy relief cylinder in the peripheral direction. Energy relief outer holes are formed in the middle of the energy relief valve sleeve in the peripheral direction. By the adoption of the high-tension ignition exploder and the energy relief valve capable of achieving automatic reset, relighting and repeat energy relief can be achieved conveniently and fast.

The invention relates to a fitting for attaching to a threaded connection of a pipe, in particular a water pipe, with a basic body (20), with a threaded portion (22) and with a sealing body (24, 50, 56; 62) arranged on the threaded portion (22), in which the technical problem of simplifying the attachment to a threaded connection of a pipe and configuring the attachment to be more reliable at the same time is solved in that the basic body (20) has a pressing surface (26, 66) on the side situated opposite to the threaded portion (22). The invention also relates to a method for attaching a fitting to a threaded connection of a pipe.

The invention discloses a microwave water holding flow meter combined logging device, which mainly solves the problems of high monitoring difficulty and low precision existing in the prior art. The device comprises a temperature and pressure magnetic positioner, a microwave water holding flow meter and an umbrella-type flow collector which are in threaded connection in order from top to bottom. The invention also discloses a detection implementation method of a microwave water holding flow meter combined logging device. The above invention has the advantages of high integration, simple structure, high reliability, high water content measurement resolution, wide measurement range, low power consumption, etc., and has high practical value and promotion value in the field of oilfield detection technology.

The invention relates to a detachable deep water sealed connector. The detachable deep water sealed connector comprises a socket, a plug and a tail part accessory matched with the plug; the interfacebetween the plug and the socket and between the plug and the tail part accessory is sealed by two O-shaped rubber sealing rings separately; the socket and underwater operational equipment adopt axialand radial O-shaped rubber sealing rings for realizing sealing; the socket is a glass sintered socket, and the socket shell and a contact part are sintered into an integrated body through composite glass so as to realize longitudinal sealing; the sealing between the tail part accessory and a cable adopts a filler sealing mode; the tail part accessory is also provided with a cable shielding structure; a shielding spring sheet is connected with the tail part accessory, so that the contact area is enlarged, the contact resistance and shielding resistance of a shielding layer are lowered effectively, and true 360-degree annular shielding is realized; and the detachable deep water sealed connector is detachable integrally, convenient to maintain, compact in structure, high in universality and durable, and has the performance index of hydrostatic pressure resistance of 4.5MPa.

A fan unit (1), in particular for an air conditioning system of a motor vehicle, comprising an electric motor (2) for driving a fan wheel (3), an electronic device (7) which generates waste heat and provides electrical current to the electric motor (2) and a fan housing (6), wherein the fan wheel (3) is disposed together with said electric motor (2) in an air guiding region (5) delimited by the fan housing (6). Provision is thereby made for the electronic device (7) to be fastened to the side of the fan housing (6) which faces away from the air guiding region (5) in a heat transferring manner so that a heat transfer connection is formed between said electronic device (7) and said air guiding region (5).

The invention relates to an external transmission liquid seal type rotary material distribution device which comprises a material distribution unit, a rotating device, a driving mechanism and a rotation liquid seal cover. The rotating device is composed of a rotation disc and a gear disc; the material distribution unit is composed of a material receiving hopper, a seal type movable connection pipe, a forking body, a material guide body and a material discharging body; the gear disc and a driving gear are in meshed transmission so as to drive the rotating device and the whole material distribution unit except for the material receiving hopper to rotate around the center of a furnace opening; an annular liquid seal plate at the edge of the outer side of the rotation liquid seal cover extends into liquid in an annular liquid seal groove to achieve sealing of the furnace opening; and a discharging point adjusting structure is arranged on the rotation disc. The material distribution unit, the rotating device and the driving mechanism of the external transmission liquid seal type rotary material distribution device are all arranged outside a furnace, space in the furnace is not occupied, the external transmission liquid seal type rotary material distribution device is simple and reasonable in structure, stable and reliable in work and convenient to overhaul, and high-temperature influences on the furnace opening can be effectively avoided; and the rotation liquid seal cover is adopted for achieving sealing of the furnace opening during rotary material distribution, and rapid adjustment of a discharging point can be achieved through combination of different types of adjusting connecting plates and discharging bodies.

The invention relates to a gas pipeline connecting form, in particular to a gas pipeline connector. The traditional fuel heating furnace is provided with attached pipeline connection, in the process of overhauling the heating furnace, gas pipelines and air pipelines are needed to be cut off and rewelded each time, and the production is delayed. The connector is a hollow ball universal head with ahandle and consists of a rod part which is welded with a square flange; a left outer ring and a right outer ring are ball bushes with nicks; a sealing ring is embedded at the inner right end of the left outer ring; a left flange ring and a right flange ring are welded on the left outer ring and the right outer ring respectively and are tightly connected through a bolt; the head of the universal head is arranged inside the left outer ring and the right outer ring; an inner arc-shaped surface consisting of the left outer ring, the right outer ring and the sealing ring is matched with an outer arc-shaped surface of the universal head; the universal head can rotate freely 46 degrees; and during use, the flanges at two ends are directly connected with flanges of an original pipeline. The connector is a universal connector which does not influence gas flow and is applied to a gas heating furnace, and the maintenance time can be shortened.

The invention relates to a flange flexible joint. The flange flexible joint comprises a first flange joint and a second flange joint. The peripheries of the two joints are rotatably provided with flange bolts correspondingly. The two flange bolts are fixedly connected through a fastener. The limitation of radial or circumferential movement between the joints is achieved. The end portions of the two joints are also provided with sealing grooves correspondingly, and a gasket is arranged between the two sealing grooves to seal inner pipelines of the joints. The inner ring of each sealing groove is further provided with a positioning ring. The positioning rings abut against the sealing grooves to prevent a sealing ring from making direct contact with a medium circulating in a joint inner pipeline. The flange flexible joint is simple in structure. Through the design of joint structures and the flange bolts, the fixed connection between the joints can be achieved just through the fastener, relative movement between the joint structures can be effectively limited, the gasket can be effectively protected, and the service life can be prolonged. According to the flange flexible joint, the flange bolts can rotate relative to the joints, so that assembling is convenient, and the sealing effect of the flexible joint is not influenced.

The invention belongs to the technical field of automobile accessories, and particularly relates to a sealing connector of an automobile windshield. The sealing connector comprises a first connectingpart and a second connecting part, wherein the first connecting part adheres to the windshield, and a first end of the second connecting part is connected with the first connecting part; the first endof the second connecting part protrudes to form a positioning protrusion; a second end of the second connecting part is bent and extends to form a water tank cover limiting arm, a positioning cavityused for connecting a water tank cover is formed between the water tank cover limiting arm and the positioning protrusion, and the outer wall of the bottom of the positioning cavity protrudes to forma limiting projecting tongue. When the water tank cover is connected with the sealing connector, a connecting structure such as a connecting arm and the like on the water tank cover is clamped in thepositioning cavity, and at the moment, the limiting projecting tongue can abut against automobile parts around the water tank cover, so that the second connecting part is supported, therefore the probability that the second connecting part is separated from the connecting arm of the water tank cover due to self-gravity or external forces is reduced, and the connection stability between the water tank cover and the sealing connector is improved.

The present invention is water circulating mechanism for ice making machine and belongs to the field of ice making technology. The water circulating mechanism includes one water inlet valve with water inlet connected to water source and water outlet, one water inlet pipeline connected to the water outlet of the water inlet valve, one water flow distributing pipe with inlet connected to the water inlet pipeline and two outlets, one water sucking connecting pipe connected to one outlet of the water flow distributing pipe, and one water pump connected to the other outlet of the water flow distributing pipe and with outlet connected to one outlet connecting pipe. The present invention constitutes closed water circulation, and has smooth water flow, capacity of forming transparent and regular ice cake, high efficiency and energy saving.

The invention provides a disposable ink cartridge to be installed in an existing all-in-one printhead-ink cartridge to form an assembled segregated printhead-ink cartridge for use in a printer. The all-in-one printhead-ink cartridge has a printhead with a printhead chamber from which any cover and ink-absorbent materials have been removed. The disposable ink cartridge includes an ink cartridge body, an assembly-securement member and a cartridge seal holder. The ink cartridge body further includes a cartridge housing, a cartridge cover, at least one air vent cover, at least one ink-storing foam, at least one ink-filtering foam, at least one sealing member, which are integrated into one indivisible entity fitting into the chamber of the printhead. When the disposable cartridge runs out of ink, what is needed is just to replace the ink cartridge body without replacing the printhead and the assembly-securement member, thus making the originally disposable printhead repeatedly usable.

The invention discloses a broken bridge water-proof roof gutter spout funnel. The broken bridge water-proof roof gutter spout funnel comprises an outer barrel, a water-proof cover, and an inner barrel, wherein the outer barrel is pre-buried in a structural layer, the water-proof cover is used for overlapping coiled materials, and the inner barrel is suitable for variety of the thicknesses of the structural layer, a water stopping groove is formed in the side wall of the circumference of the outer barrel, annular hot melt adhesive is arranged at the bottom of the water-proof cover, the hot meltadhesive is internally provided with a resistance wire, the hot melt adhesive is arranged in the water stopping groove, the inner barrel is arranged in the outer barrel in an inserting mode, and thetop of the inner barrel is connected with a water diversion cover and a strainer. The broken bridge water-proof roof gutter spout funnel is convenient to operate and good in water-proof effect.

The invention provides a liquid storage container which comprises a first integral component and a second integral component, wherein the first integral component that is processed through one-time injection molding comprises a window, a first locking piece and a first sealing piece; the second integral component that is processed through one-time injection molding comprises a container body, a second locking piece and a second sealing piece; the first locking piece and the second locking piece are locked so as to lead the container body and the window to be fixed; and the first sealing piece and the second sealing piece are matched in a compressed manner, so that the container body and the window are sealed up. The invention also provides a manufacturing method of the liquid storage container, which comprises the steps as follows: 1, the window, the first locking piece and the first sealing piece are formed through the first injection molding and are processed through synchronous injection so as to form the first integral component; and 2, the first integral component is positioned in a container body die, and the container body, the second locking piece and the second sealing piece are molded through the second injection molding so as to form the integral component, so that the locking fixation and the sealing between the container body and the window as well as the injection molding of the container body can be achieved at the same time. The liquid storage container achieves firm sealing and short production period.

The automatically controlled laundry treatment machine has a detergent flushing device (3 to 10) which is arranged in the machine space and has a receiving chamber (12), which can be accessed from outside, for a storage container (11) for liquid or gel-form treatment media. Furthermore, a device (18) is provided for automatically metering every stored treatment medium. The invention is to show a shape for storage containers and for the metering device, which shape is firstly practical for users but is also very highly insusceptible to faults. To this end, the receiving chamber (12) is configured for receiving a transportable container (11) for a supply of liquid and / or gel-form treatment medium, which supply comprises a plurality of doses. Moreover, the metering device (18) operates in a purely fluid-mechanical manner and is equipped with a hydraulic siphon system (19, 20, 21, 23, 24).

The invention relates to the technical field of fabricated anti-seismic buildings, in particular to a fabricated anti-seismic structure of a composite floor slab and a prefabricated wall and a construction method of the fabricated anti-seismic structure. The prefabricated building comprises a wall body and composite floor slabs which are matched with each other, the multiple composite floor slabs are mutually spliced to form a floor slab of the whole prefabricated building, a movable gap is formed between one end of the wall body and the composite floor slabs, a buffer sleeve is arranged in the movable gap, and a connecting beam is arranged on the side face of the same side of the composite floor slabs and the wall body; and a triangular structure is formed among the connecting beam, the composite floor slab and the wall body. In order to solve the problems existing in the prior art, the fabricated anti-seismic structure of the composite floor slab and the prefabricated wall and the construction method of the fabricated anti-seismic structure can effectively solve the cracking problem occurring between the wall and the floor slab, the bonding strength between the wall and the floor slab is improved, and then the anti-seismic performance of the fabricated wall is effectively improved.

The invention discloses a micro-water monitoring and processing system for a GIS transformer substation. The system can be used for micro-water detection of sulfur hexafluoride gas in a GIS equipmentgas chamber and ventilation of the sulfur hexafluoride gas in the GIS equipment gas chamber with the micro-water exceeding the standard. The system comprises a four-way valve connected with a GIS equipment gas chamber interface of the GIS equipment gas chamber; a second outlet pipeline of the four-way valve is connected with the GIS equipment gas chamber interface through a second outlet gas channel connector; the four-way valve is also provided with a first outlet pipeline, a third outlet pipeline and a fourth outlet pipeline; the first outlet pipeline, the third outlet pipeline and the fourth outlet pipeline are connected with a discharge main pipeline, a sulfur hexafluoride inflation pipeline and a nitrogen inflation pipeline correspondingly; the discharge main pipeline is connected with four branches in parallel, and the four branches are respectively a micro-water detection pipeline, a sulfur hexafluoride recovery pipeline, a vacuum pumping pipeline and a nitrogen discharge pipeline; and a micro-water detection assembly is arranged on the micro-water detection pipeline, and a vacuum pump is arranged on the vacuum pumping pipeline.

The invention discloses a novel connection structure for oil well pipes and couplings. The structure comprises a plurality of oil well pipes. The ends of any two adjacent oil well pipes are connectedby a coupling; the end of each of the oil well pipes includes a hollow oil well pipe end body (1). The outer wall of the rear end of each oil well pipe end body (1) is provided with a plurality of external threads (2). The front end of each oil well pipe end body (1) is provided with a guiding column (5); each coupling includes a hollow coupling body (8), and the front inner walls of the left andright sides of the coupling bodies (8) are symmetrically provided with a plurality of internal threads (9). The inner walls of the coupling bodies (8) at the rear ends of the internal threads (9) areprovided with guiding sleeves (11); the external threads (2) and the internal threads (9) are meshed with each other, and the guide columns (5) are inserted into the guide sleeves (11). The structurecan ensure a reliable sealing connection between the coupling and the end of the oil well pipe with strong sealing property, and can effectively avoid leakage of oil or natural gas.

The invention relates to a novel tubular bus special splicer. The novel tubular bus special splicer comprises a tubular bus body and a splicing set, wherein an end face of the tubular bus body is provided with a plurality of notches; the splicing set comprises a first lining tube group and a second lining tube group; the first lining tube group comprises a first inner lining tube and a first outer lining tube; the second lining tube group comprises a second inner lining tube and a second outer lining tube; the first inner lining tube and the second inner lining tube are provided with a plurality of first mounting holes and fixed nuts; the first outer lining tube and the second outer lining tube are provided with a plurality of second mounting holes; bolts are arranged in the first mounting holes and the second mounting holes; and the first mounting holes and the second mounting holes are formed corresponding to the positions of the notches. The novel tubular bus special splicer has the advantages of connecting firmness and reliability, more stable insulating performance, higher current-carrying capacity, small temperature rise coefficient and more stable mechanical performance.

The invention discloses a temperature-sensitive feeding bottle with a built-in lamellar temperature-sensitive display screen and a manufacturing method of the feeding bottle, and realizes the purpose that the lamellar temperature-sensitive display screen does fall off and is tightly attached to the outer wall of the feeding bottle. The temperature-sensitive feeding bottle comprises a feeding bottle body (1), the lamellar temperature-sensitive display screen (2) and a fixing fastener (3) which is in a shape of a hat with a brim, wherein the feeding bottle body (1) and the fixing fastener (3) are made of plastics, the lamellar temperature-sensitive display screen (2) is placed in the hat-shaped part of the fixing fastener (3), and the brim-shaped part of the fixing fastener (3) is embedded in a corresponding preassemble position on the outer wall of the feeding bottle body (1) in a non-detachable manner. The manufacturing method includes the steps of placing a feeding bottle blank in a bottle blowing die (4), blowing the feeding bottle body (1) through a bottle blowing technology, embedding the fixing fastener (3) where the temperature-sensitive display screen (2) is assembled in the preassemble position on the outer wall of the feeding bottle body (1) in a non-detachable manner, and connecting the brim-shaped part of the fixing fastener (3) with the joint portion of the outer wall of the feeding bottle body (1) in a sealing manner.

The invention relates to a 3D printing device based on internet-of-things, which includes: a cabinet body, a cabinet door, a printing mechanism, a self-locking mechanism, a workbench, and a central control mechanism. The self-locking mechanism includes a fixed shaft, a first gear, a second gear, a transmission rod, and a self-locking assembly. The self-locking assembly includes a third gear, a rotating disc, a connecting rod, and a self-locking rod. A work power supply module includes a work power supply circuit. The work power supply circuit includes an integrated circuit, a first capacitor, a second capacitor, a toggle switch, a first resistor, a second resistor, and an adjustable resistor. The model number of the integrated circuit is LM2931. The 3D printing device based on internet-of-things can achieve reliable sealing connection between the cabinet body and the cabinet door through the self-locking mechanism, so that printing reliability of the 3D printing device is improved. In addition, in the work power supply circuit, by means of sampling feedback to output voltage and then adjustment on resistance value of the adjustable resistor, stable adjustment on voltage of the work power supply is achieved, thereby improving the practicability of the apparatus.

The invention discloses a confluence gating device. The confluence gating device can form a reliable sealing connection between a liquid flow passage and an inflowing liquid exit and an outflowing liquid entrance, and comprises a confluence body and a liquid flow selection cover, wherein a sealing static disc, a liquid outlet channel and at least two liquid inlet channels are arranged in the confluence body; liquid flow through holes which are in one-to-one correspondence with the liquid outlet channel and the liquid inlet channels are formed in the sealing static disc, and sealing rings whichare in one-to-one correspondence with the inflowing liquid exist and the outflowing liquid entrance are arranged between the confluence body and the sealing static disc; and a sealing movable disc and an elastic pressing part are arranged in the liquid flow selection cover, the liquid flow passage which is arranged in the radial direction is formed in the sealing movable disc, a movable connection locking mechanism is arranged between the liquid flow selection cover and the confluence body, so that the liquid flow selection cover can rotate relative to the confluence body, and can be locked on the confluence body. The confluence gating device is quite wide in application.

The invention provides a disposable ink cartridge to be installed in an existing all-in-one printhead-ink cartridge to form an assembled segregated printhead-ink cartridge for use in a printer. The all-in-one printhead-ink cartridge has a printhead with a printhead chamber from which any cover and ink-absorbent materials have been removed. The disposable ink cartridge includes an ink cartridge body, an assembly-securement member and a cartridge seal holder. The ink cartridge body further comprises a cartridge housing, a cartridge cover, at least one air vent cover, at least one ink-storing foam, at least one ink-filtering foam, at least one sealing member, which are integrated into one indivisible entity fitting into the chamber of the printhead. When the disposable cartridge runs out of ink, what is needed is just to replace the ink cartridge body without replacing the printhead and the assembly-securement member, thus making the originally disposable printhead repeatedly usable.

The invention discloses a single-use combined humidification bottle system for a medical oxygen inhalator. The single-use combined humidification bottle system comprises a humidification bottle, an outer cup, an outer cup cover, a gas pipe bracket, a splicing connector, a gas pipe, a humidification core and a valve body, wherein the outer cup is arranged outside the humidification bottle; the outer cup cover is movably connected with the top of the outer cup; the valve body is movably connected onto a connecting column; the top of the splicing connector is tightly spliced onto a splicing partof the valve body; a gas inlet is formed in the middle of the valve body; a gas pipe splicing hole is formed in the middle of the splicing connector; the gas pipe bracket is mounted at the top of thehumidification bottle; a gas pipe locating sleeve is arranged in the middle of the gas pipe bracket; a gas outlet is formed in the valve body; the humidification core is mounted at the bottom of the gas pipe; the top of the gas pipe penetrates through the gas pipe locating sleeve; the bottom of the humidification core tightly pushes against the inner side of the bottom of the humidification bottle; when the humidification bottle is mounted, the bottom of the humidification bottle applies an upward driving force to the gas pipe to assist the gas pipe in being inserted into the splicing connector of the valve body; and the gas pipe locating sleeve plays a role of guiding vertical splicing movement of the gas pipe, so that assembly between the gas pipe and the valve body of the humidificationbottle can be achieved quickly.

A fitting for attaching to a threaded connection of a pipe, in particular a water pipe, includes a basic body, a threaded portion, and a sealing body arranged on the threaded portion. The basic body has a pressing surface on the side situated opposite to the threaded portion. Also disclosed is a method for attaching a fitting to a threaded connection of a pipe.

The invention discloses a disposable humidification bottle system for a medical oxygen inhalator. The disposable humidification bottle system comprises a humidification bottle body, an air pipe supporting bracket, an inserting and connecting head, an air pipe, a humidifying core and a valve body, wherein a bottleneck is arranged at the top of the humidification bottle body; the valve body is in sealing connection with the bottleneck; the top of the inserting and connecting head is tightly connected to the inserting and connecting part of the valve body in an inserting manner; an air inlet is formed in the middle part of the valve body; an air pipe inserting and connecting hole is formed in the middle part of the inserting and connecting head; a U-shaped air pipe supporting bracket is arranged at the top of the humidification bottle body; an air pipe positioning sleeve is arranged at the middle part of the air pipe supporting bracket; an air hole is formed in the air pipe supporting bracket; an air outlet is formed in the valve body; the humidifying core is arranged at the bottom of an air pipe; the top of the air pipe penetrates through the air pipe positioning sleeve and is in sealing connection to the inner part of the air pipe inserting and connecting hole in an inserting manner; and the bottom of the humidifying core is tightly propped with the inner side of the bottom of the humidification bottle body. When the humidification bottle body is connected with the valve body, the bottom of the inner side of the humidification bottle body can apply upward thrust to the air pipe; under the vertical guiding effect of the air pipe positioning sleeve, the air pipe is automatically inserted in the inserting and connecting head of the valve body, so that the combined connection of the humidification bottle body and the valve body is quickly realized.

The invention provides a liquid storage container which comprises a first integral component and a second integral component, wherein the first integral component that is processed through one-time injection molding comprises a window, a first locking piece and a first sealing piece; the second integral component that is processed through one-time injection molding comprises a container body, a second locking piece and a second sealing piece; the first locking piece and the second locking piece are locked so as to lead the container body and the window to be fixed; and the first sealing piece and the second sealing piece are matched in a compressed manner, so that the container body and the window are sealed up. The invention also provides a manufacturing method of the liquid storage container, which comprises the steps as follows: 1, the window, the first locking piece and the first sealing piece are formed through the first injection molding and are processed through synchronous injection so as to form the first integral component; and 2, the first integral component is positioned in a container body die, and the container body, the second locking piece and the second sealing piece are molded through the second injection molding so as to form the integral component, so that the locking fixation and the sealing between the container body and the window as well as the injection molding of the container body can be achieved at the same time. The liquid storage container achieves firm sealing and short production period.

The invention relates to a novel tubular bus special splicer. The novel tubular bus special splicer comprises a tubular bus body and a splicing set, wherein an end face of the tubular bus body is provided with a plurality of notches; the splicing set comprises a first lining tube group and a second lining tube group; the first lining tube group comprises a first inner lining tube and a first outer lining tube; the second lining tube group comprises a second inner lining tube and a second outer lining tube; the first inner lining tube and the second inner lining tube are provided with a plurality of first mounting holes and fixed nuts; the first outer lining tube and the second outer lining tube are provided with a plurality of second mounting holes; bolts are arranged in the first mounting holes and the second mounting holes; and the first mounting holes and the second mounting holes are formed corresponding to the positions of the notches. The novel tubular bus special splicer has the advantages of connecting firmness and reliability, more stable insulating performance, higher current-carrying capacity, small temperature rise coefficient and more stable mechanical performance.

The invention relates to a ball valve. The ball valve comprises a fixing apparatus and a valve seat, wherein the fixing apparatus is arranged between a valve body and a ball body; the fixing apparatus is connected with the valve body in a sealing manner through a first sealing material; the valve seat is positioned between the fixing apparatus and the ball body; the valve set is connected with the ball body in a sealing manner; the valve seat is connected with the fixing apparatus in a sealing manner through a second sealing material; a limiting part is arranged between the fixing apparatus and the valve body and used for limiting axial movement of the fixing apparatus; and an elastic part is also arranged between the fixing apparatus and the valve seat and used for applying axial elastic force and pressing the valve seat to the ball body. As the elastic part is positioned between the fixing apparatus and the valve seat, the sealing between the valve seat and the ball body is realized through the second sealing material by only pushing the valve seat to the ball body due to the axial elastic force of the elastic part after the fixing apparatus is limited by the limiting part between the fixing apparatus and the valve body, so that the elastic part is low in performance requirement in assembly and disassembly processes; and meanwhile, the fixing apparatus in the valve body is connected with the valve body in a sealing manner through the second sealing material, so that the sealing effect of the ball valve is guaranteed.

The invention discloses an assembling structure for a turbine steam parameter measurement probe, which comprises an inner cylinder, an outer cylinder, a probe, a casing pipe bracket, a protective casing pipe and a valve, wherein one end of the probe is connected with a measurement system; the other end of the probe passes through the inner cylinder and the outer cylinder to measure the steam parameter in a turbine; the casing pipe bracket is connected to the outer cylinder; the upper end of the casing pipe bracket is connected with the valve; the protective casing pipe is used for guiding and protecting the probe; the protective casing pipe is provided with one section of corrugated pipe, is arranged in the casing pipe bracket and extends into the inner cylinder; the bottom end of the protective casing pipe is in tight coupling with the inner cylinder; and the top end of the protective casing pipe is in tight coupling with the valve. According to the assembling structure for the turbine steam parameter measurement probe, the probe is guided and protected by the protective casing pipe provided with the corrugated pipe; two ends of the protective casing pipe respectively form reliable tight coupling with the valve and the inner cylinder of the turbine, and steam leakage is avoided; the safety of the steam parameter measurement operation and the accuracy of a measurement result are effectively guaranteed; and the unit operation safety is guaranteed.