114results about How to "Prevent collapse and deformation" patented technology

A stabilizing solution for treating photoresist patterns and methods of preventing profile abnormalities, toppling and resist footing are disclosed. The stabilizing solution comprises a non-volatile component, such as non-volatile particles or polymers, which is applied after the photoresist material has been developed. By treating the photoresist with the solution containing a non-volatile component after developing but before drying, the non-volatile component fills the space between adjacent resist patterns and remains on the substrate during drying. The non-volatile component provides structural and mechanical support for the resist to prevent deformation or collapse by liquid surface tension forces.

A golf bag cart is disclosed, comprising a bottom cart stand, having a link segment at its top, and a bag base at its bottom, where the bottom cart stand is provided with a slider thereon; an upper cart stand, in pinned connection with the link segment at its bottom; a rear wheel frame, fixed at each of both sides of the link segment, where the two rear wheel frames and the bottom cart stand together form a pyramid, and the bottom end of the rear wheel frame connects to the rear wheel; a linkage, set up between the upper cart stand and the slide; a draw pole, set up between the slide and the rear wheel frame; a front wheel, positioned under the bag base, having a folding joint, which could level the front wheel; and a lock mechanism, having a core, in pinned connection to the top of the slider, where the upper cart stand and the bottom cart stand are thus fastened to each other; the rear wheels could be spread up, subject to the linking among the linkage, the slider, the draw pole and the rear wheel frame; through the pyramid, formed by the two rear wheel frames and the bottom cart stand, the cart is able to stand up on the ground with better backing, which sufficiently holds the bag load, to keep the cart sustainable and to avoid deforming into collapse.

The invention discloses a brushing and washing device used for the internal wall of a metal pipe, comprising a mainshaft (1); the mainshaft (1) is provided with a steel brush (2). The brushing and washing device is characterized in that the mainshaft (1) is also provided with a three-direction supporting frame (3); a rotation mechanism is connected with the mainshaft (1); the moving mechanism of the metal pipe is arranged in the direction of the mainshaft (1). The brushing and washing device has the outstanding advantages that the repeated rotation cleaning motion of the existing steel brush is disassembled as the single rotation motion of the steel brush and the single reciprocating motion of the metal pipe, the mechanism is greatly simplified, and the cost is reduced. Meanwhile, the mainshaft is provided with the three-direction supporting frame which rotates with the steel brush; therefore, the collapsing deformation of the metal pipe is prevented, the collapsing deformation of the metal pipe can be repaired, the concentric rotation of the steel brush in the axis line direction of a copper pipe can be basically ensured, and the product quality is ensured.

A stabilizing solution for treating photoresist patterns and methods of preventing profile abnormalities, toppling and resist footing are disclosed. The stabilizing solution comprises a non-volatile component, such as non-volatile particles or polymers, which is applied after the photoresist material has been developed. By treating the photoresist with the solution containing a non-volatile component after developing but before drying, the non-volatile component fills the space between adjacent resist patterns and remains on the substrate during drying. The non-volatile component provides structural and mechanical support for the resist to prevent deformation or collapse by liquid surface tension forces.

The invention discloses a door sealing structure and a refrigeration device. The door sealing structure comprises a fixing part arranged on a door plate of the refrigeration device, and a sealing part connected with the fixing part. The sealing part comprises a main air bag. Three lines of air bags are arranged in the main air bag side by side. A first sub-air-bag, a second sub-air-bag and a third sub-air-bag are arranged in the second line of air bags. First supporting ribs are arranged in the first line of air bags. The first line of air bags are divided into a fourth sub-air-bag and a fifth sub-air-bag by the first supporting ribs. Second supporting ribs are arranged in the third line of air bags. The third line of air bags are divided into a sixth sub-air-bag and a seventh sub-air-bag by the second supporting ribs. According to the technical scheme, the first supporting ribs and the second supporting ribs are arranged in the first line of sub-air-bags and the third line of sub-air-bags respectively, the two sides of the main air bag can be well supported, and the main air bag is prevented from collapsing and deforming; and meanwhile, the main air bag can be prevented form obliquely deforming, and stability of the door sealing structure is effectively improved.

The invention relates to a turbocharged corrugated pipe. The turbocharged corrugated pipe comprises a pipe body, wherein the pipe body is formed by gluing an inner pipe rubber layer made of a fluorinated silicone rubber material, a fiber line enhancement layer made of aramid line nomex and an outer pipe rubber layer made of a fluorinated silicone rubber material from the inside out sequentially; both ends of the pipe body are matched with metal ring clasps in a buckling manner; and a fixed steel wire is wound on the outer pipe rubber layer. The turbocharged corrugated pipe has the advantages of high high-temperature resistance, gasoline resistance, diesel resistance, heat resistance and aging resistance, high impermeability, high bearing capability, good dynamic pulse performance in high temperature and low temperature states, capability of bearing certain negative pressure due to large calibers, high buckling sealing performance at both ends, uniform wall thickness at both ends, low manufacturing operation cost and stable quality.

The invention discloses a liquid absorbing core and supporting column integrated structure flat plate heat pipe based on a carbon nano tube array. The liquid absorbing core and supporting column integrated structure flat plate heat pipe based on the carbon nano tube array comprises an upper metal cover plate, a lower metal cover plate and upper and lower metal cover plate liquid absorbing core andsupporting column integrated structures generated on the inner sides of the upper metal cover plate and the lower metal cover plate; the upper metal cover plate and the lower metal cover plate form aclosed cavity by means of edge sealing, and the vacuumized closed cavity is internally filled with work liquid; the upper and lower metal cover plate liquid absorbing core and supporting column integrated structures comprise thin-layer carbon nano tubes growing on the inner surfaces of the metal cover plates and a plurality of vertical carbon nano tubes continuously growing in specific areas of the thin-layer carbon nano tubes, and the thin-layer carbon nano tubes and the vertical carbon nano tubes form flat plate heat pipe capillary cores and flat plate heat pipe supporting columns correspondingly; and the upper and lower metal cover plate supporting columns are arranged in a staggered manner, and the liquid absorbing core and supporting column integrated structure with a staggered arrangement type is formed. The liquid absorbing core and supporting column integrated structure flat plate heat pipe based on the carbon nano tube array has the beneficial effects of being high in heat conductivity, small in size, small in weight and the like, the heat transfer performance of the flat plate heat pipe can be guaranteed, and the mechanical strength safety during heat pipe running can also be achieved.

A panel structure of a power apparatus is provided. The power apparatus includes a case. The front of the case is longitudinally provided with a panel. The panel is transversely formed with at least two parallel heat dissipation holes. The panel is formed with a connecting portion between the heat dissipation holes. A heat dissipation net is provided on the heat dissipation holes. The heat dissipation net is formed with a plurality of openings corresponding to the connecting portion. A reinforcement rib is provided on the connecting portion, preventing the panel from collapsing or deforming. The durability of the panel is increased, and the appearance of the panel is pleasing to the eye.

The invention discloses a positioning grouting anchor rod suitable for engineering seepage failure prevention and control and a construction method thereof. The positioning grouting anchor rod comprises an anchor rod body, a grouting guide pipe and a grouting pipe. When seepage failure occurs in engineering, a water pump can be connected with a drainage pipe connector to achieve water drainage, and meanwhile a limiter is adopted for conducting positioning grouting on a seepage failure area to improve the grouting reinforcement accuracy. A drainage channel and a grouting channel are independentof each other and do not interfere with each other, the drainage function and the grouting function are combined on the basis that the original supporting function of the anchor rod is reserved, andtherefore the purpose of efficiently preventing and treating engineering seepage failure is achieved, and meanwhile the construction cost and the construction period can be saved.

The invention provides a display device and a display panel thereof. The display panel comprises a substrate, a plurality of display components, a plurality of photo spacers, a cover plate, a plurality of sensor pads, a support layer and a frit, wherein the plurality of display components are formed on the substrate, the plurality of photo spacers are formed on the substrate and are arranged between adjacent display components, the thickness of each photo spacer is larger than or equal to the thickness of each display component, the cover plate is opposite to the substrate, the plurality of sensor pads are formed on the cover plate, the support layer is formed on the sensor pads, are arranged between the display components and the sensor pads and is in contact with at least one part of the photo spacers, the frit is formed between the substrate and the cover plate, the frit, the substrate and the cover plate form a sealing space, and the plurality of display component, the plurality of photo spacers, the plurality of sensor pads and the support layer are formed in the sealing space. With the display device and the display panel thereof, provided by the invention, noise generation can be prevented, and panel deformation is improved.

The embodiment of the invention disclose a display panel, a manufacturing method thereof, and a display device. The display panel includes at least a first display area. The first display area includes a first substrate, a first electrode on one side of the first substrate, and a first pixel-defining layer which is located on one side, which is away from the first substrate, of the first electrode. The first pixel-defining layer includes a first pixel opening which includes a first light-emitting layer, a second electrode which is located on one side, which is away from the first substrate, ofthe first light-emitting layer. The first display area further includes a first isolation column and a second isolation column. The first isolation column is used to block adjacent second electrodes.The height of the second isolation column is greater than the height of the first isolation column, so that a mask plate does not contact the first isolation column which blocks the second electrodes. The first isolation column is prevented from collapsing and deforming, ensuring the good isolation effect of the first isolation column on the second electrodes, and ensuring the good display effectof the display panel.

The invention discloses a water-cooling motor case, a sand core, and a method for manufacturing the water-cooling motor case. The interior of the water-cooling motor case is provided with a water channel cavity which extends along a cylindrical surface, and the water channel cavity comprises a plurality of C-shaped water channels which are connected in an end-to-end manner. According to the invention, the water channel cavity in the water-cooling motor case comprises the plurality of C-shaped water channels, and the C-shaped water channels are connected in the end-to-end manner. When cooling water flows in a water cooling channel, a turbulent flow can be generated at a corner, thereby facilitating the heat exchange, and improving the heat dissipation efficiency.

The invention discloses an adsorption type chip transfer device which comprises a base plate, a sliding plate, a driving assembly, a movable seat, a suction rod, a suction nozzle and an elastic piece. The sliding plate is arranged on the base plate in a sliding manner along the longitudinal direction, the driving assembly drives the sliding plate to move, and the movable seat is arranged on the sliding plate in a sliding manner along the longitudinal direction; the suction rod is installed on the movable seat and is connected with a vacuum generator, the suction nozzle is connected to the lower end of the suction rod, the elastic part is telescopically arranged between the sliding plate and the movable seat along the sliding direction of the movable seat, and the movable seat abuts against the upper end of the elastic part, so that the movable seat is suspended on the sliding plate. According to the adsorption type chip transfer device, the chip is buffered when the chip is adsorbed, the situation that the chip is damaged due to excessive pressure in the chip adsorption process is effectively overcome, and the lossless transfer of the chip is achieved. The invention further discloses a chip repair device with the adsorption type chip transfer device.

The invention discloses a circular pipe material internal wall supporting frame which is provided with a shaft (6) which is sleeved by a shaft sleeve (1) which is movably connected with a plurality of supporting rods (2) which are uniformly arranged on the circumference of the shaft sleeve (1); a spring (3) is arranged between the shaft sleeve (1) and the supporting rods (2); the external end of the supporting rod (2) is provided with an idler wheel (5); a plurality of idler wheels (5) are also distributed on the same circumference. The circular pipe material internal wall supporting frame is arranged deep inside the pipe material to carry out the supporting, the supporting effect is good, the phenomena such as collapse deformation, etc. are avoided, the coaxiality of the pipe material can be excellently ensured; furthermore, the spring is arranged between the supporting rods and the shaft sleeve, and the opening degree of the supporting rods can be automatically adjusted so as to be applicable to the pipe material of different pipe diameters and lead the idler wheels to closely contact with the pipe material.

The invention discloses an automobile air inlet channel assembly. An air inlet grid is arranged on the side face of a shell, a first air outlet is arranged at the bottom, a rainproof hood is arrangedin the shell, and a drain opening is formed at the bottom of the rainproof hood. Multiple water baffles are distributed between two side baffles of the rainproof hood, and a second air outlet is formed between ever two adjacent water baffles. A water inlet and a water outlet are formed on the side baffle on one side, and a flow guide structure is arranged on the outer side of the side baffle. According to the automobile air inlet channel assembly, the flow guide structure is formed on the outer side of one side baffle, water intercepted and separated by the rainproof hood flows downwards to the drain opening from the flow guide structure on the outer side of the corresponding side baffle to be drained, water does not flow through an air inlet when flowing downwards, and therefore impact ofair inlet airflow is avoided; and the situation that water is coiled into an air inlet channel by airflow is avoided, water is drained more thoroughly, the water removal efficiency is higher, the situation that water is coiled into an air filter and wets filter paper of a filter element is avoided, and the filter efficiency of the filter element is ensured.

The invention provides a method for improving heat resistance of an air-inflating chocolate; the surface of an air-inflating chocolate sandwich is coated with a heat-resisting chocolate shell. The heat-resisting chocolate shell comprises low-melt-point carbohydrate, and is formed by drying and cohesion. The melt point of the low-melt-point carbohydrate is 80-150 DEG C, and the dosage is over 10%. The method for improving heat resistance of the air-inflating chocolate can improve the heat resistance of the air-inflating chocolate, and make the air-inflating chocolate free from softening and deformation easily in high temperature environment, and free from structural collapse; meanwhile, the heat-resisting chocolate shell forms a crisp structure through drying and cohesion; the heat resistance is good, and the air-inflating sandwich is protected from collapse and deformation.

The invention relates to the field of technology services, in particular to a steel structure column for building technology services. The steel structure column comprises a vertical column and a cooling device. A puncturing hole is fixedly formed in the upper surface of a base, and a puncturing cabin is fixedly formed in the position, corresponding to the puncturing hole, inside the base. A waterbag is fixedly connected into the puncturing cabin, and a puncturing needle is movably connected to the position, located inside the puncturing cabin, of the upper surface of the water bag. A water storage cabin is fixedly connected to the upper surface of the base, and a water-insulating film is fixedly connected to the inner wall of the water storage cabin. The water bag and the water-insulating film are filled with cooling liquid, and a plurality of water inlet holes are fixedly formed in the positions, corresponding to the puncturing hole, inside the base. A plurality of water outlet holes are fixedly formed in the bottom face of the base, and a plurality of heavy iron particles are arranged in the base. According to the steel structure column for the building technology services, thefunction that the steel structure column can be autonomously cooled when the steel structure column catches fire and is heated is achieved, the possibility that the steel structure column is heated and then deforms, and thus a building deforms and is collapsed is avoided, and the stability of the steel structure column and the steel structure building is greatly improved.

The invention discloses a hollow tire. The hollow tire comprises a tire crown, a tire body and a tire toe, wherein a cavity is formed in the tire body in a penetration manner; the cavity in a cross section of the tire body is 20%-50% of total area of the cross section; the cross section of the cavity is oval or is a closed graph formed by surrounding of a major arc, an inferior arc and two tangent lines between the major arc and the inferior arc; and a limiting groove matched with a rim section is formed between the tire toe and the tire body, a circumferential groove is formed in the tire toe, a vent hole is connected between the circumferential groove and the cavity, rounded corners are arranged on the tire toe, and the rounded corner, close to the limiting groove, on the tire toe is smaller than the rounded corner far from the limiting groove. By utilizing the hollow tire, the maintenance can be reduced; and the hollow tire has an anti-pricking function, the use material of the tire body is saved, and the hollow tire is convenient to be assembled with the rim section.

The invention discloses a deep foundation pit supporting system and a construction method thereof. The deep foundation pit supporting system comprises top beams fixedly arranged at the tops of the twowall faces of a foundation pit, and further comprises two hoisting brackets and a plurality of sets of supporting devices, the two hoisting brackets are fixed to the two top beams correspondingly, and each set of supporting device comprises a supporting beam and two lowering mechanisms, wherein the supporting beam is transversely arranged between the two wall faces of the foundation pit, and thetwo lowering mechanisms are fixed to the two hoisting brackets correspondingly, and used for controlling rising and lowering of the supporting beam in the foundation pit. The deep foundation pit supporting system has the advantages that mounting is convenient and fast, the operation time is shortened, the equipment utilization rate is high, and supporting is firm.

The invention relates to a spraying system for preparing a super-efficient solar cell electrode, and application thereof. The system comprises a slurry storage device (1), a spraying device (2) and amask (3), wherein the slurry storage device (1) and the spraying device (2) are connected through a pipeline, and the mask (3) is arranged between the spraying device (2) and a solar cell electrode. The system is characterized in that (1) fully mixing slurry; (2) manufacturing a seed layer; (3) manufacturing a conductive transmission layer; and (4) carrying out a co-firing process, wherein after agrid line (4) is manufactured, an electrode is heated and sintered so as to form the super-efficient solar cell electrode. Compared with the prior art, the manufactured multilayer electrode of the invention is good in electrode compactness and good in grid line electrode stacking leveling property, current transmission is facilitated, the precious metal consumption is reduced, the cost is greatlysaved, and the operation yield is increased.

The invention belongs to the technical field of packaging equipment, and particularly discloses an automatic blister packaging machine. A blister suction roller die comprises a main shaft, a blister forming roller and a first driving mechanism driving the main shaft to rotate; the main shaft is coaxially connected with the blister forming roller; the main shaft is provided with a water inlet channel; the water inlet channel is communicated with a sealing cavity in the blister forming roller; a drain pipe connected with the cavity is inserted into the water inlet channel and is communicated with an outlet of a rotary joint; the water inlet channel is communicated with an inlet of the rotary joint; the blister forming roller is provided with a plurality of rows of blister pits at equal intervals in the circumferential direction of the blister forming roller; each row of blister pits are evenly distributed at equal intervals in the axial direction of the blister forming roller; each row of blister pits corresponds to an air suction channel; the air suction channels communicate with micropores of all the blister pits in the same row; a cover body covering one part of the outer circular surface of the blister forming roller is included; a channel is arranged between the outer circular surface of the blister forming roller and the cover body; and a heating source is arranged in the cover body. The device realizes integration, so that the occupied space is reduced, and the problem of a poor blister suction effect is solved.

The invention discloses a method of preparing jade-ware by applying a 3D (Three-Dimensional) printing technology. The method comprises the main steps: taking Al2O3 (Aluminum Oxide) powder, ZrO2 (Zirconium Dioxide) powder, TiO2 (titanium dioxide) powder or MgO (Magnesium Oxide) powder as a jade-ware matrix powder material, taking metal Al powder, Mg power, Fe Power or Ti power as a sintering phase powder material, taking nano-trace Fe powder, Cu powder or Co powder or the powder of oxides or chlorides of the elements and the like containing color powder as colorant powder, and respectively selecting one or more elements to mix in advance according to a certain proportion; preparing a small amount of organic wax or alumina sol into a bonding agent; and printing the jade-ware of different appearances by a laser 3D printer. The jade-ware can be further thermally processed and compacted to prepare a perfect jade-ware finished product if the appearance and density of the jade-ware are not perfect after the printing. According to the method of preparing the jade-ware by applying the 3D printing technology, the corundum, corundum or zirconium jade-ware has the characteristics of being simple in process, high in production efficiency, direct to form and low in preparation cost, the later cutting and carving cannot be needed and the like.

The invention discloses a wall surface structure of a light steel fabricated building and a mounting process thereof, and relates to the technical field of building equipment. According to the wall surface structure of the light steel fabricated building and the mounting process thereof, the structure comprises a frame body mounting and fixing device; the frame body mounting and fixing device comprises a first bottom plate and a second bottom plate; first side plates are fixedly connected with the left end and the right end of the upper surface of the first bottom plate; a first T-shaped sliding rail is fixedly connected with the upper surface of the first bottom plate; second side plates are fixedly connected with the left end and the right end of the upper surface of the second bottom plate; a second T-shaped sliding rail is fixedly connected with the upper surface of the second bottom plate; a first connecting rod is fixedly connected with the front end of the left side face of thefirst bottom plate; a first hinge is fixedly connected with the left side face of the first connecting rod; and a second connecting rod is fixedly connected with the left side face of the first hinge.According to the wall surface structure of the light steel fabricated building and the mounting process thereof, the problems that existing frame bodies are independent with one another, connecting assemblies are not adopted, and the frame bodies need to be aligned firstly and then installed during installation, so that the structural stability is poor due to large installation errors, and hiddendangers are brought to later earthquake resistance are solved.

The invention discloses a partition board installing connecting piece. The partition board installing connecting piece comprises a partition board and wallboard connecting pieces. The wallboard connecting pieces are U-shaped steel structures with hinges, one side of the partition board is connected with a body structure A through a wallboard connecting piece, and the other side of the partition board is connected with a body structure B through a wallboard connecting piece. The wallboard connecting pieces comprise top plates, left side flange plates, right side flange plates and the hinges used for connecting the top plates and the left side flange plates. The top plates and the right side flange plates are L-shaped structures perpendicular to each other, and the left side flange plates can rotate around the hinges. The problems that by using an existing installation structure and method of partition boards, the wallboard cannot be flatly pushed in out of plane and have to be ejected upwards in an inclined mode caused by the connection of U-shaped clamping pieces, installation construction is difficult and construction quality is difficult to guarantee are solved.

The invention discloses a collapsing-prevention flat foot orthopedic insole structure. The insole structure comprises a bottom layer, a fitting layer, a support layer, a convex cushion block, an archarea support block, and a second elastic response layer; the convex cushion block is arranged at the position corresponding to the second and third metatarsal bone areas and is filled with polymer foam particles; the arch area support block is arranged at the position corresponding to the medial arch area, is fitted with the arch contour and filled with the polymer foam particles; the second elastic response layer is arranged at the position corresponding to the first, fourth and fifth metatarsal bone areas, and is filled with solid bulging macromolecule granules; the hardness of the bottom layer is greater than the hardness of the support layer and the hardness of the fitting layer, and stable support and wearing comfort can be provided. According to the collapsing-prevention flat foot orthopedic insole structure, partial collapse deformation of the insole can be avoided, and lasting and comfortable orthopedic effects are provided.

The invention discloses a deepwater high-flow-rate exposed high-strength steep rock sea area steel trestle and a construction method thereof. Steel pipe piles of a steel trestle foundation are stabilized in the bed rock, the upper part structure of the steel trestle is set up, the steel pipe piles are subjected to rock-socketed anchoring construction, the steel trestle construction speed is improved greatly, a series of conventional problems affecting the progress, the quality and the safety during the steel trestle construction are solved, a positioning ship and a pile driving barge are used for stabilizing the piles so that toppling caused due to deviation and shaking under high-flow-rate operation due to the defect that the into-rock depth of the steel pipe piles is not enough is avoided, bottom elevation self-adaption steel cofferdam pouring underwater concrete is put under the outer sides of the steel pipe piles so that the friction force of the steel pipe piles and the bed rock is increased, the stability of the steel pipe piles is improved, trestle deformation collapse caused by bottom opening slurry leaking and steel pipe pile sinking when holes are drilled in the steel pipe piles is avoided, bearing girds are welded between the horizontal steel pipe piles so that the phenomenon that structure stress is affected by non-correspondence of Bailey beam major nodes and the bearing beams is avoided, and the purposes that the steel trestle construction period is short, the cost is low and the construction is safe and efficient are realized.

The invention relates to an automobile B column reinforcing structure and an automobile B column. The automobile B column reinforcing structure comprises a B column reinforcing plate, a B column roof side rail and a plurality of first supporting plates, and the B column roof side rail is connected to the top of the B column reinforcing plate; and the first supporting plates are assembled in a cavity of the B column roof side rail, and the first supporting plates, the B column roof side rail and the B column reinforcing plate jointly form a triangular stable structure used for increasing the top pressure value of a vehicle body in the connecting area of the B column roof side rail and the B column reinforcing plate. The first supporting plates can support a cavity of the B column roof side rail, so that the B column roof side rail is prevented from collapsing and deforming under the action force of collision, and the supporting strength of the B column roof side rail is enhanced; and the triangular stable structure can improve the overall strength and rigidity of the joint and the peripheral area of the B column reinforcing plate and the B column roof side rail, stress concentration deformation is prevented from being formed in the joint and the peripheral area, and therefore the jacking performance of the whole automobile body is improved, and the safety of passengers is improved.

The invention discloses an automobile front floor. The automobile front floor (10) comprises a front floor rear section (11) and a front floor front section (12) which is fixed with the front floor rear section (11) together. The front end of the front floor front section (12) is provided with a strengthening connecting part (13) in an extending mode, and the strengthening connecting part (13) is simultaneously connected with a front wall lower strengthening cross beam (20) and a doorsill (30). In addition, the invention further discloses an automobile which comprises the automobile front floor. The strengthening connecting part is arranged in the automobile front floor and the automobile which comprises the automobile front floor so that the connection of the front floor and the front wall lower strengthening cross beam and the doorsill is enhanced. When collision happens in the automobile, impacting force is transmitted between the front wall lower strengthening cross beam and the doorsill through the strengthening connecting part, or namely impacting force is transmitted to the bottom portion and the rear portion of an automobile body, stress on the front floor is reduced, washboarding and deformation of the front floor are avoided, and personnel safety is better protected.

The invention relates to the technical field of contactors, in particular to a circuit board mounting structure and a contactor. The circuit board mounting structure comprises a coil framework used for fixing a double-coil winding, wherein a lug plate is fixed on the coil framework; a shell is suitable for being connected with one end of the coil framework and used for installing a circuit board;a circuit board is mounted at one end, opposite to the double-coil winding, of the shell; a switching module is used for controlling switching of the double-coil winding, is fixed on the coil framework and is positioned between the shell and the double-coil winding; one end of the first wire is welded and fixed on the circuit board, and the other end passes through the shell and is connected withthe lug plate; and the second wire is used for coupling the switching module with the circuit board. The circuit board mounting structure is advantaged in that interference and friction between the wire and the double-coil winding are avoided, and product failure can be effectively prevented.