321results about How to "Service life effect" patented technology

The embodiment of the invention provides a display device and a mobile terminal, and the display device comprises: a flexible display panel which comprises fixing parts and a bendable part located between two adjacent fixing parts; a supporting assembly which comprises two supporting parts, wherein the two supporting parts are arranged on the surfaces of the two fixing parts correspondingly so asto support the flexible display panel; a rotating shaft, wherein the rotating shaft is positioned between the two supporting parts and is arranged corresponding to the bending part; a sliding assembly, wherein the sliding assembly comprises a first sliding piece and a second sliding piece which are slidably connected in the direction perpendicular to the rotating shaft, the first sliding piece isconnected to the supporting part, and the second sliding piece is rotatably connected to the rotating shaft; a driving assembly, wherein the driving assembly comprises a first magnetic part and a second magnetic part, and magnetic force between the first magnetic part and the second magnetic part provides driving force for the first sliding part to move away from the rotating shaft. The display device provided by the embodiment of the invention can solve the problem that in the prior art, a folded product has wrinkles in a flattened state.

The invention provides an OLED display device. A plurality of projections are arranged on one surface of a side, positioned close to an OLED device, of a cover plate substrate; outer surfaces of the cover plate substrate and the plurality of projections are wrapped with heat conduction layers, heat radiation area and heat radiation efficiency of a cover plate can be increased, service life of the OLED device can be prevented from being reduced due to heat accumulation, and the cover plate is enabled to be high in mechanical strength; a first heat conducting and light shielding layer including graphene and light shielding material is coated on an outer side of sealing gum, on an area, positioned outside the sealing gum, of the cover plate and on an area, positioned outside the sealing gum, of a base plate; a second first heat conducting and light shielding layer is coated on an area, positioned outside a part corresponding to the OLED device, of a bottom part of the base plate; the OLED display device can be prevented from all-around light leakage while air tightness of the OLED device can be enhanced, external moisture can be effectively prevented from permeating the OLED device, the service life of the OLED device can be prevented from being affected, heat radiation efficiency of the OLED display device can be further improved due to excellent thermal conductivity and electrical conductivity of the graphene material, the OLED display device can be free from static electricity, and product quality can be improved.

The invention discloses OLED (Organic Light Emitting Diode) display screen packaging equipment comprising a sealing chamber, a first compression mechanism, a second compression mechanism, a first motor, a second motor, an air exhaust assembly and an air exhauster, wherein the sealing chamber is communicated with the air exhauster, the first motor is connected with the first compression mechanism and controls the first compression mechanism to move vertically in the sealing chamber, the second motor is connected with the second compression mechanism and controls the second compression mechanism to move vertically in the sealing chamber, the first compression mechanism is provided with a first bearing plate horizontally arranged, the second compression mechanism is provided with a second bearing plate horizontally arranged, the first bearing plate is positioned right above and parallel to the second bearing plate, the air exhaust assembly consists of suckers and an exhaust tube, the suckers are evenly arranged on the lower surface of the first bearing plate, the suction ports of the suckers and the lower surface of the bearing plate are in the same plane, and the exhaust tube is connected between the suckers and the air exhauster. The OLED display screen packaging equipment is used for packing film-coated glass and rear cover glass, so that the OLED display screen production efficiency is high and the manufacturing cost is low.

The invention provides a draught fan control method, an air conditioning system, an air duct system and a computer readable storage medium. The draught fan control method comprises the following stepsof: obtaining an actual pressure difference value of an air inlet side and an air outlet side of a heat exchanger; calculating a pressure difference deviation numerical value by applying the actual pressure difference value and a target pressure difference value, judging whether the pressure difference deviation numerical value exceeds a preset range, if yes, calculating the adjusting rotating speed of the draught fan by applying the current rotating speed of the draught fan and the pressure difference deviation numerical value, and controlling the operation of the draught fan according to the adjusting rotating speed. The invention also provides the air conditioning system, the air duct system and the computer readable storage medium which realize the method. The rotating speed of the draught fan can be dynamically adjusted according to the difference value between the pressure value of the air inlet side of the heat exchanger and the pressure value of the air outlet side of the heatexchanger to ensure that the air volume of the draught fan is kept constant; and the rotating speed of the draught fan satisfies the requirements on the best rotating speed of the draught fan when the heat exchanger has the best heat exchange efficiency.

The present invention relates to a solid chemical pipe cleaning agent and its preparation method. It is characterized by that it is formed from 52-68% of granular sodium hydroxide, 11-19% of sodium carbonate, 15-21% of high test bleaching powder, 4-10% of sodium dodecyl benzene sulfonate and 0.02% of essence. Said invention has no need of adding metal aluminium, can obtain good cleaning effect, and can be used for killing pathogenic bacteria and insect eggs. Said invention also provides its preparation method and production steps.

The invention discloses an intelligent electronic lock set for public bicycles, comprising a lock body and a locking pin. The lock body is internally provided with a controller, a bolt rotatable and a locking device allowing the bolt to stop rotating. The bolt has a long arm and a short arm. A rotating shaft of the bolt is provided with a torsion spring allowing the bolt to rotate in one direction. The locking pin is provided with a lock hole matching with the short arm of the bolt. The controller can control actions of the locking device. The locking pin is provided with an RFID (radio frequency identification) card; the bolt is provided with a magnet; the lock body is internally provided with a sensing antenna circuit board which is provided with a hall switch; the RFID card and the sensing antenna circuit board transmit signals to the controller. The sensing antenna circuit board, the magnet and the RFID card function in double sensing, no mistaken locking occurs even after a hard object is manually plugged into the lock body, automatic recognition is imparted, using safety and reliability of the intelligent electronic lock set is greatly improved, and the service life of the intelligent electronic lock set is prolonged.

The invention provides a magnetron sputtering source and magnetron sputtering equipment. The magnetron sputtering source comprises a magnetron and a driving device which are connected, wherein the driving device is used for driving the magnetron to scan the whole target area in a spiral line track, so that when the magnetron sputtering source is applied to a magnetron sputtering process, areas of a target can be effectively sputtered, and a problem that some areas on the target cannot be fully utilized is avoided; and moreover, the retention period of the magnetron in the center and on the edge of the target is effectively adjusted by adjusting the running speed of the driving device, so that the consumption rates of the areas of the target tend to be consistent; and therefore, the utilization rate of the target is effectively improved. The magnetron sputtering equipment also can effectively improve the utilization rate of the target.

The invention discloses a two-sided grinder comprising a base, two grinding mechanisms, a feeding mechanism and compensation mechanisms. The compensation mechanisms are used for performing displacement compensation on the grinding mechanisms. Each grinding mechanism comprises a grinding wheel used for grinding and capable of rotating around a self central axis and a grinding driving device used for driving the grinding wheel to rotate. The feeding mechanism comprises a workbench slidably arranged on the base along the feeding direction and at least two clamp mechanisms slidably arranged on the workbench along the direction perpendicular to the feeding direction. Due to application of the technical scheme, compared with the prior art, the two-sided grinder has the advantages that since the multiple groups of clamp mechanisms are sequentially arranged on the workbench, when multiple workpieces are ground, the workpieces are fed into the grinding mechanisms by the feeding mechanism to be ground, and working efficiency is improved greatly; meanwhile, the workbench on which the clamp mechanisms are positioned is arranged externally, so that chips falling when the grinding mechanisms grind the workpieces are prevented from affecting service life of the workbench.

The invention relates to a method for operating a fuel pump in order to guide fuel from the fuel container of an internal combustion engine, wherein the electric energy, which is in the form of pulses, is periodically guided to the fuel pump and the duration of the pulses is controlled according to the fuel required by the internal combustion engine. The frequency of the pulses is controlled in such a manner that, in the event of low pump capacity of the fuel pump, the frequency is controlled to a higher level than in the even of a high pump capacity.

The invention relates to a system control method and device for overhigh module temperature. The system control method includes the following steps that 1, after an air conditioner is started, the temperature value Tf of a frequency conversion module and the exhaust superheat degree Tdsh of a compressor are detected; 2, the detected temperature value Tf of the frequency conversion module is compared with a set high temperature threshold value Ta and a set low temperature threshold value Tb, and the exhaust superheat degree Tdsh of the compressor is compared with a third set threshold value Tc to control the open degree of an indoor unit electronic expansion valve and on-off of an air-conditioning system. As the temperature value Tf of the frequency conversion module and the exhaust superheat degree Tdsh of the compressor are compared with the set threshold values, whether the frequency conversion module is in a superheat state or not is judged, whether to control the open degree of the indoor unit electronic expansion valve to reduce high pressure or not is judged according to the comparison conditions, power of the compressor is reduced, the temperature value of the frequency conversion module is reduced, and the operation reliability of the frequency conversion module and a multi-split system can be improved.

The invention relates to a CZTSSe thin-film solar cell with an upper conversion layer and a manufacturing method of the CZTSSe thin-film solar cell. The CZTSSe thin-film solar cell comprises a substrate, a back electrode, a photovoltaic conversion layer, a buffer layer, a window layer, an antireflection layer and an upper electrode, wherein the back electrode is formed on the substrate and deposited according to a magnetron sputtering method, the photovoltaic conversion layer is a CZTSSe thin film, the buffer layer is a cadmium sulfide thin film and is formed on the photovoltaic conversion layer, the window layer is formed on the buffer layer, the antireflection layer is an MgF2 thin film and is formed on the window layer, the upper electrode is made of grid Ni-Al alloy and formed on the antireflection layer, and the upper conversion layer is arranged between the back electrode and the photovoltaic conversion layer. The CZTSSe thin-film solar cell with the upper conversion layer and the manufacturing method of the CZTSSe thin-film solar cell have the advantages that influences of solar heat radiation on the service life of the cell are avoided; according to the method, operation is simple and convenient, manufacturing cost is low, safety and environment friendliness are achieved, and toxicity is avoided; process steps are good in controllability, the upper conversion layer and the photovoltaic conversion layer thin film which are large in grain size, compact and good in photoelectric performance are easily made, and mass production is easy.

The invention provides an antibacterial coating which comprises a nano silver / kaolin antibacterial agent and a zinc oxide / kaolin antibacterial agent, wherein a weight ratio of the nano silver / kaolin antibacterial agent to the zinc oxide / kaolin antibacterial agent is 0-1. The invention also provides a method for preparing the antibacterial coating.

The invention relates to an energy storage primary frequency modulation comprehensive control method considering SOC adaptive recovery, and the method takes a power grid frequency modulation dead zoneas a boundary, and enables the process of energy storage participating in frequency modulation to be divided into a frequency modulation stage and an SOC self-recovery stage. In the frequency modulation stage, a comprehensive control strategy considering virtual droop control, virtual inertia control and virtual negative inertia control is adopted, so that the effect that energy storage participates in primary frequency modulation of the power system is exerted to the maximum extent. In the SOC self-recovery stage, the recovery benchmark of the SOC is set to be an interval of (0.45-0.55), sothat the frequency of starting SOC self-recovery by energy storage can be reduced, and the potential of energy storage participating in next frequency modulation can be ensured. An SOC-based self-adaptive control rule is adopted for power recovery, so that the problems of over-charging and over-discharging can be effectively prevented.

The invention relates to an overhaul method of a traction electric motor in the overhaul industry of rail vehicles, in particular to a repairing method of a screw hole of a main pole core of the traction electric motor, the step thereof is as follows: a broken screw hole on a tension rod of an iron core is expanded and the pore diameter is appropriately processed by taking the thickness of a silicon sheet as a standard; firstly, a 3mm steel washer is arranged at the bottom of the screw hole, and then 70-80A welding current is applied to welding; the part of the screw hole which is welded in a resurfacing way is ground; lineation and drilling are carried out according to drawing paper, and the steel washer additionally arranged at the bottom is removed together; tapping is carried out: after drilling is finished and the tapping is carried out, thus achieving the size requirements stated by the drawing paper; a thermodetector is used for verifying that the heat productivity of the iron core and the other parts of the motor is consistent and not abnormal. The overhaul method can reduce the repairing cost, and the success ratio of the repairing can reach 100 percent; the operation is simple and the repair capability in each month can reach 50, the overhaul efficiency is high; the iron core after being repaired can meet the requirements that the vehicles run at high speed and the traction electric motor is used in a poor condition after overload, without affecting the service life of the motor.

The embodiments of the invention provide a vehicle charging and discharging control method, a device, a charging and discharging system and a vehicle. The control method comprises the following steps:the charging plug head type of a charging plug inserted into a fast charging socket of the vehicle is acquired; according to the charging plug head type, a state signal received by the vehicle is acquired; when the state signal meets the operating state of the charging plug head type, a wake-up signal corresponding to the charging plug head type is generated; and the wake-up signal is transmittedto a vehicle control unit (VCU), so that the VCU is electrified and controls the vehicle to get into a charging and discharging mode corresponding to the charging plug head type of the charging plug.The solution of the invention avoids the problem that the electricity consumption of a vehicle is increased because the vehicle gets to a charging and discharging wait mode as soon as a charging plugis inserted, causing the vehicle to get into a feed state to affect the service life of the vehicle, and the problem that the starting of other requirements on the vehicle is affected because the priority of the charging and discharging wait mode is overhigh, and thereby the driving experience of users is ensured.

The invention discloses a single-lamp energy-saving controller for street lamps and a method thereof. The single-lamp energy-saving controller comprises a central processor, as well as a street lamp working-status collection interface, a street lamp current / voltage acquisition interface, a multi-lamp control expansion interface, a power carrier communication interface and a power-cutback ballast control interface which are respectively connected with the central processor. The power line carrier communication interface is connected with a spread spectrum power carrier communication module; the power-cutback ballast control interface adopts strong / week current isolation and two-stage drive and receives switching value signals output from the central processor. The method includes the following steps of: device parameter initializing, state detection, new data detection, received new data processing, timing control processing detection, timing control processing and watchdog removing. The single-lamp energy-saving controller does not cause the pollution of the power grid environment or other adverse effects; simultaneously, based on the strong capacity of resisting power grid disturbance, the single-lamp energy-saving controller can carry out power cutback operation according to the preset time sequence, when in use separately, thereby achieving the energy-saving effect.

The invention discloses a mask, a manufacturing method of the mask and an evaporation device. The mask comprises a mask frame and a mask bar, the mask frame has a first surface and a second surface, the first surface and the second surface are arranged relatively in the direction of the thickness of the mask frame, transition layer is arranged on the first surface; the mask bar is arranged on the mask frame and connected with the transition layer, and the texture of the transition layer is same with texture of the mask bar. According to the embodiment of the mask, the texture of the transition layer can be same with texture of the mask bar by arranging the transition layer on the mask frame. In the process of welding, two substances with the same texture can be welded together, so the mask bar can be welded on the mask frame conveniently and firmly, the difficulty of the welding is lowered, and the effect of the welding is improved, thus improving the quality of the mask, welding flaw make a difference to the service life of the mask is avoided effectively.

The invention belongs to the technical field of construction engineering, and particularly discloses a prefabricated reinforced concrete shear wall. The prefabricated reinforced concrete shear wall comprises a first mounting wall, a second mounting wall, an inserting mechanism and a sealing connecting mechanism; the connection between the first mounting wall and the second mounting wall is in an upper-arc shape; the inserting mechanism is arranged in the first mounting wall, and the inserting mechanism comprises two transmission belt wheels, teeth, a sliding groove, first brake blocks, a second brake block and an inserting column; the two transmission belt wheels are symmetrically and fixedly connected at the lower end of the first mounting wall, the teeth are fixedly mounted on the outersurface of the transmission belt wheels, the first brake blocks are fixedly connected to the outer surfaces of the lower sides of the left ends of the transmission belt wheels, and the inner ends of the transmission belt wheels are connected with the inserting column through gear engagement; and the inserting column is mounted in the sliding groove in the first mounting wall. The prefabricated reinforced concrete shear wall is mainly used for solving the problems that an existing prefabricated reinforced concrete shear wall has low seismic resistance in an earthquake-prone area, and the sealing performance of the wall body is lowered due to the frequency of small earthquakes.

The invention relates to a method for supplementing an internal weld at the joint of a U rib of a steel box girder and a panel, and a steel box girder. The method comprises the following steps: S1, aprofiling hole is arranged on the steel box girder; S2, the welding system of the internal weld supplementary equipment enters the enclosed space formed by the U rib and the panel in the steel box girder from the position of the copying hole; S3, the welding system travels along the length direction of the U rib, and simultaneously welds the U rib and the panel from the inside of the U rib; S4, after the welding is completed, the position of the copying hole is filled. The invention opens a profiling hole in the steel box girder so that the welding system enters between the U rib and the panel, Adding internal weld to U-rib of existing steel bridge can strengthen the opening defects in U-rib, prolong the service life of bridge, ensure the safety of driving, increase the social and economicbenefits of bridge operation, reduce the maintenance cost of bridge, and the direct and indirect losses caused by closed traffic during the maintenance period.

The present invention relates to a gear cutting machine, an end mill and a form milling method. The gear cutting machine performs gear cutting for a workpiece, especially performs gear cutting for a tooth-form wheel disc, through a forming mill having at least one tool rest used for installing at least one end mill, wherein, the tool rest or the end mill and / or workpiece support are adjustable, an axis of the end mill can be arranged into a processing tooth surface approximately parallel to a clamped workpiece, and wherein, an axis of a tool is suitable for a contour of the tooth surface, and the end mill has an outer contour corresponding to the contour of the tooth surface.

The invention relates to a cement product forming mold which comprises an upper mold cavity and a lower mold cavity. The upper mold cavity is connected to the lower mold cavity through a clamping mechanism. The cement product forming mold can solve the following problems existing in the using process of an existing mold of a cement manhole cover of a grid structure, wherein the problems comprise that as for the traditional mold, the size of a grid gap cannot be controlled in the manufacturing process, corresponding molds need to be selected when grating cement manhole covers in different specifications are manufactured, and the application range is small; and b, in the using process of the traditional mold, slurry is directly injected into the mold, the density of the slurry inside the mold cannot be guaranteed, consequently gaps exist in the formed cement manhole covers, and the service life of the cement manhole covers is influenced.

The invention discloses a movable type cantilever material sampling device. The movable type cantilever material sampling device comprises an automobile chassis, a rotary support, an operation chamber, a first-grade supporting arm and a second-grade supporting arm which are hinged on the automobile chassis, a first-grade oil cylinder hinged between the automobile chassis and the first-grade supporting arm, and a second-grade oil cylinder hinged between the first-grade supporting arm and the second-grade supporting arm, wherein the second-grade supporting arm is further hinged with a third-grade oil cylinder; a piston rod end of the third-grade oil cylinder is hinged with one end of a rocking bar and one end of a connection rod at the same time; the other end of the rocking bar is hinged on the second-grade supporting arm and the other end of the connection rod is hinged on the outer upper corner of a sampling head suspender; the inner upper corner of the sampling head suspender is hinged on the top of the second-grade supporting arm; the sampling head is suspended on the lower end of the sampling head suspender; a four-connection-rod mechanism is composed of the connection rod, the sampling head suspender, the rocking bar and the tail section of the second-grade supporting arm. With the adoption of the sampling head designed by the invention, the large-angle rotation can be realized and the sampling head is convenient to mount and detach; the service life of the sampling device can be prolonged, the use safety is good and the sampling position is accurate.

The invention provides an overheating early-warning protection device for a computer host, belongs to the technical field of computer host overheating protection. The device comprises a case body, a movable column and a driving air bag, the movable column is sequentially sleeved with a driving ring, a magnetic part, an elastic reset part and a fixing part, an electromagnet corresponding to the magnetic part is arranged in the case body, and an adjusting connecting component is serially connected onto a circuit of the electromagnet. The invention discloses a computer host overheating early warning protection device. The movable warning piece is driven by the driving air bag through the magnetic piece corresponding to the electromagnet; therefore, a computer overheating warning signal can becontinuously and effectively sent to people; people can take corresponding treatment measures to guarantee normal movement of a computer, meanwhile, corresponding heat dissipation and cooling treatment can be carried out in the case body, the situation that normal operation of the computer is affected by overheating is further reduced, and the computer can be automatically powered off when neededso as to prevent internal elements of the computer from being damaged due to the too high temperature.

The invention discloses a cotton bouncing machine with a dust-absorbing function, comprising a casing, an accommodating cavity is opened inside the casing, one side of the accommodating cavity is open, and one side of the inner wall of the accommodating cavity is inlaid with a fixing cavity A placing box is placed on the top of the fixing plate, and the placing box is placed above the fixing plate. In the present invention, when the cotton-bombing machine is working, the exhaust fan in the exhaust air works by arranging the cooperation of the exhaust pipe and the dust-removing box, so that the air in the cotton-bombing machine is extracted, and when the air in the inner cavity of the cotton-bombing machine is extracted At the same time, the cotton waste will be filtered through the dust box and the dust box, and discharged through the exhaust pipe, so as to achieve the vacuuming of the cotton bomber and prevent the cotton waste waste from being adsorbed on the inner wall of the accommodation cavity. affect the service life.

The invention relates to the technical field of photovoltaic power generation, and discloses a metering instrument for a photovoltaic micro-grid that is easy to disassemble. The top of the high block is movably connected with the instrument body, the top of the support plate is located at the side of the instrument body and is fixedly connected with a fixed plate, the top of the fixed plate is movably connected with a fixing device, and the side of the fixed plate is fixedly connected with a first baffle, the first baffle Connect with the front of the meter body. In the present invention, the side of the meter body is limited and fixed by the first baffle, the stability of the meter body 4 is increased, and the meter body is conveniently disassembled by pulling the fixing device, which has the advantage of being easy to disassemble the meter body and solves the problem of The existing instrument body is not easy to disassemble, and the maintenance and replacement of the instrument body have brought some troublesome problems.

The present invention relates to a safety device for lifts with at least one lift guide rail, securely installed in the lift shaft and a brake part, comprising at least one friction element with at least one friction surface that can be pressed against the guide rail to decelerate the lift, with the friction material of the friction element comprising a fibre-reinforced, ceramic composite material, containing silicon carbide and carbon fibres as reinforcing component, with the safety device being characterised by the composite material containing a matrix of silicon car- bide and carbon and the reinforcing component being formed exclusively from carbon fibres with a minimum length of 10 mm and the volume content of carbon fibres in the friction element lying between 30% and 70%.

Disclosed is an apparatus (1) used for generating thread yarn coil. The apparatus (1) has a bobbin cradle (3), a thread yarn forming mechanism (4) used for extracting yarns from the bobbin cradle (3) and combining them into thread yarns (2), and a coiling mechanism (12); wherein a large number of yarn cylinders (4) are disposed inside the bobbin cradle (3). For achieving high production speed, the coiling mechanism (12) is provided with a warper beam; a cross mechanism having a thread yarn guiding member is disposed adjacent to the warper beam, wherein the thread yarn guiding member is used for guiding the thread yarns (2).

The invention provides an air outlet assembly and an air conditioner provided with the same. The air outlet assembly comprises a supporting part, a driving part and an air outlet part, wherein the driving part is arranged on the supporting part; and the air outlet part is provided with an air outlet channel and an installation space matched with the driving part, the driving part drives the air outlet part to move up and down so that the air outlet part can be in an opening position and a closing position, and when the air outlet part is located in the opening position, the installation space forms a sealed space isolated from the air outlet channel. Because part of the driving part is located in the sealed space, condensate water formed by cold air in the air outlet part is effectively prevented from influencing the service life of the driving part and the air outlet part in the area, and the service life of the air conditioner provided with the air outlet assembly is effectively prolonged. Use experience of clients is promoted.

An inverter housing includes a housing, the four corners of the top surface of the shell are respectively provided with strip grooves, strip grooves are parallel to each other, the bottom surface of the strip groove is respectively provided with a strip-shaped penetrating groove, the strip-shaped penetrating grooves communicate with the interior of the housing, the top surface area of the strip-shaped penetrating groove is smaller than the bottom surface area of the strip-shaped penetrating groove, a sliding block is respectively arranged in the strip groove, the outer periphery of the slideris respectively in contact with the inner wall of the corresponding strip groove, the sliders can slide horizontally along the corresponding strip grooves, and the sliders cannot pass through the strip-shaped penetrating grooves, the top surface of the sliding block is fixedly connected with the lower end of the first strut, two mutually parallel first sliding rods are arranged above the housing,the first sliding rods are mutually perpendicular to the first strut, the front and rear sides of the bottom of the first sliding rods are fixedly connected with the upper ends of the corresponding first strut, and the top surface of the housing is provided with a rectangular groove. The invention is applicable to small and medium-sized inverters exposed to the environment, in particular to multiple series inverters.

The invention relates to a ball joint with a sealing bellow (4), whereby the sealing bellow (4) is arranged on the surface (17) of the ball pivot (3) in the shaft region (7) of the ball pivot (3), by means of a surrounding end band (11). The ball joint is characterised in that an elastic element (14), in the axial direction of the journal, which can be embodied in the form of a pressure spring element is arranged in the neck area (8) of the ball pivot (3). The pressure spring element presses against one end in the region of the transition between the neck area (8) and the ball (9) of the ball journal (3) and on the other end, directly or indirectly on the journal side of the end band (11) of the sealing bellow (4). The invention also relates to a ball joint wherein the sliding of the sealing bellow on the neck of the ball journal is prevented in a durable and reliable manner, even under extreme climatic conditions, or during exceptional mechanical stresses, such as, the impingement of a water jet of a high pressure cleaning device. Also, the journal-sided sealing of the sealing bellow and the constructive control and dimensioning of said ball joint is improved.