11results about How to "Guaranteed pressing force" patented technology

The utility model relates to inductor assembly technical field, especially in a kind of assembly positioning jig, including base and top cover, the base is provided with multiple main positioning slot, the main positioning slot is matched with the overall size of PFC inductor, the base is also provided with first positioning slot, the first positioning slot is matched with the size of the bottom magnetic core of PFC inductor, the top cover is provided with second positioning slot, the second positioning slot is matched with the size of the top magnetic core of PFC inductor, the top cover with the base between being provided with quick pull buckle structure.The utility model makes the main body of PFC inductor, bottom magnetic core and top magnetic core can be positioned, quick pull buckle structure not only facilitates the installation, disassembly of top cover and base, can also provide acting force simultaneously so that PFC inductor keeps pressure force, ensure that each component keeps the stability after bonding, finally improves the yield and quality of PFC inductor assembly.

This invention provides a compressor housing assembly, a compressor, and an air conditioner. The compressor housing assembly includes a compressor housing and a sensor mounting bracket fixedly connected to the compressor housing. The sensor mounting bracket includes a mounting body, and an insertion channel for pressing a temperature measuring section of a temperature sensor is formed between the mounting body and the compressor housing. A cantilever pressing structure is formed on the end face of the mounting body downstream of the temperature sensor insertion direction. The cantilever pressing structure extends a predetermined length M along the insertion direction, where 7L / 8≥M≥L / 3, where L is the axial length of the temperature measuring section of the temperature sensor. This invention ensures a large pressing contact area with the temperature sensor, thus ensuring reliable pressing and preventing loosening due to an insufficient pressing contact area or scratches or pressure damage to the sensor due to excessive local force. The deformation of the cantilever pressing structure is also more controllable.

The utility model relates to the technical field of hydraulic pump machining, in particular to a press fitting station. A press-fitting station comprises a pressing head which is horizontally and slidably assembled and is driven to move by a first driving part; the supporting plate is horizontally assembled in a sliding mode, the supporting plate is driven by a second driving piece to move, and the supporting plate and the pressing head are oppositely arranged in a spaced mode; and the bearing table is used for bearing a workpiece, the bearing table conveys the workpiece to a press-fitting position between the pressing head and the supporting plate, and during press-fitting, the pressing head pushes the workpiece to be pressed on the supporting plate in a sliding mode. The technical problems that in the prior art, a bearing in an intermediate is low in assembling efficiency and poor in precision are solved.

The self-locking electrical connection structure disclosed in this invention includes a first conductor and a second conductor, and further includes: a latching contact finger hinged to the second conductor for electrical connection and engagement with a slot on the outer periphery of the first conductor; a reset elastic element for gripping the latching contact finger in the slot; an unlocking device disposed on the path along which the latching contact finger slides in the slot, allowing the latching contact finger to disengage from the slot when engaged with the unlocking device; and a contact plate for electrical connection to the end of the first conductor and connected to the second conductor via a conductive compression elastic element, wherein the latching contact finger engages with the slot when the conductive compression elastic element is compressed to a preset state. This invention achieves self-locking through the engagement of the latching contact finger and the slot, ensuring connection stability and high reliability. Unlocking can be quickly achieved through the engagement of the latching contact finger and the unlocking device, simplifying the installation and disassembly steps of the electrical connection. This invention also discloses a high-voltage switchgear.

This invention discloses a four-channel fuel cell bipolar plate and fuel cell, relating to the field of fuel cells. It includes an anode plate and a cathode plate arranged opposite each other. The anode plate forms parallel and staggered first and second ridges protruding towards the cathode plate, with the first and second ridges closely attached to the cathode plate, forming a first flow channel between them. A second flow channel and a third flow channel are formed on the opposite side of the first and second ridges relative to the cathode plate, respectively. The cathode plate protrudes along the first ridge and towards it to form a first nozzle, and along the second ridge and towards it to form a second nozzle, with the first and second nozzles arranged alternately. The bipolar plate of this invention has a dedicated drainage channel and can reuse water generated by the electrochemical reaction to self-humidify air and hydrogen, ensuring the normal operating temperature and humidity of the proton exchange membrane.

This utility model relates to a water- and oxygen-barrier storage box, characterized by comprising a storage box lid, a storage box body, and a locking module. The utility model employs a double-layered sealing structure with varying heights of the sealing rings to ensure effective sealing of the storage box body, achieving water and oxygen barrier effects. Furthermore, a movable mesh box is installed between the two sealing rings to store desiccants and oxidants, reducing the intrusion of external moisture and oxygen into the storage box body. Additionally, the locking module of the entire storage box body uses an adjustable locking hook. In actual use, rotating the locking hook controls the extension of the screw section, thereby ensuring the clamping force between the storage box lid and the storage box body.

The utility model discloses a kind of automobile steering gear parallelism detection devices, it is related to automobile parts detection equipment technical field, including base and dial gauge, the upper end of the base is provided with sliding slot, the inside of the sliding slot is slidably installed with two groups of sliding blocks, one end of two groups of the sliding block is evenly installed with threaded seat, the upper end of two groups of the sliding block is evenly installed with limit recess, the upper end of two groups of the threaded seat is evenly connected with No. The utility model discloses, by adjusting the distance between two groups of limit recess, can adapt to different length specifications automobile steering gear, reduce equipment investment cost, satisfy the detection demand of diversification.

The utility model discloses a kind of glue gun mixed pipe replacement mechanism, belong to automatic gluing technical field, the device will glue supply part and glue gun mixed pipe modularization, and by compacting mechanism, the upper module is slidably arranged in the mounting space formed by frame, and in the mounting space, the clamping block for abutting with lower module to prevent lower module from separating from mounting space in the sliding direction of upper module is set, whereby lower module can be compacted in mounting space by upper module and docking, to complete the full-automatic replacement of glue gun mixed pipe, can greatly improve glue gun mixed pipe replacement efficiency, reduce the labor intensity of staff, while glue gun mixed pipe replacement frequency can be strictly guaranteed, avoid glue gun mixed pipe replacement too early or too late, when glue gun mixed pipe is replaced, the compacting force between upper module and lower module can be ensured by compacting mechanism, ensure that upper module and lower module are compacted in place, avoid artificial replacement glue gun mixed pipe when tightening not in place.

This invention discloses a hydraulic clamp with a mechanical self-locking structure and its design method, comprising: a hydraulic cylinder and a hydraulic cylinder piston rod slidably disposed within the hydraulic cylinder; a self-locking assembly is disposed on the hydraulic cylinder, the self-locking assembly including a wedge-shaped locking pin, a push rod, a push-pull locking rod, and a wedge-shaped locking block; one end of the push-pull locking rod is axially connected to the push rod, and the other end is axially connected to the hydraulic cylinder piston rod; the wedge-shaped locking pin is disposed on the outer wall of the push-pull locking rod, the wedge-shaped locking block is sleeved on the outer side of the push rod, and the inner wall of the wedge-shaped locking block is provided with a wedge-shaped groove, the wedge-shaped groove being adapted to the shape of the wedge-shaped locking pin; the wedge-shaped locking pin extends from the push-pull locking rod to the wedge-shaped locking block, and the wedge-shaped locking pin is inserted into the wedge-shaped groove; when the hydraulic cylinder is cut off, the wedge-shaped locking pin and the wedge-shaped groove of the wedge-shaped locking block form a rigid engagement, the push-pull locking rod maintains the relative position of the push rod and the hydraulic cylinder piston rod, and the whole remains locked, achieving continuous clamping, eliminating the need for continuous oil supply of electricity / fuel consumption, and reducing energy costs.

The utility model relates to the technical field of pole piece battery production, and particularly discloses a pressing knife and a stacking table for preventing material pieces from deviating. The pressing knife comprises a pressing knife main body, the pressing knife main body comprises a connecting end and a pressing end; the thickness of the pressing end is smaller than that of the connecting end; the length of the pressing end is smaller than that of the connecting end. According to the scheme, the connecting end is used for being connected with various driving mechanisms for driving the pressing cutter to press; and the pressing end is used for pressing the material sheet. The thickness and the length of the connecting end are larger than those of the pressing end, so that the connecting end can provide stable support for the pressing end, and the pressing force of the pressing end on the material sheet is ensured. Meanwhile, as the thickness of the pressing end is smaller than that of the connecting end, the friction force between the pressing end and the material piece can be reduced, and then the offset of the material piece when the pressing knife body is pulled away is reduced.

The invention discloses hub motor shell press-fitting equipment, and relates to the technical field of press-fitting equipment.The hub motor shell press-fitting equipment is characterized in that a plurality of negative pressure holes are evenly formed in a placement table, so that a hub motor shell is rapidly and horizontally fixed to the placement table, and the bottom face of the hub motor shell is completely attached to the placement table through negative pressure adsorption; the risk of eccentricity of a stator core caused by inclined placement is eliminated, rigid fixation is provided through vacuum adsorption, displacement or shaking of a hub motor shell during downward pressing of a hydraulic machine is prevented, a limiting column is kept in a static state all the time to maintain an accurate initial positioning reference, and a movable plate freely drives a support and a rubber pressing head to move downwards to complete the press-fitting action. The positioning precision and the press-fitting quality are qualitatively improved, the elastic characteristic of the rubber pressing head ensures enough press-fitting force and avoids the damage risk caused by over-constraint, so that the stator core can be pressed into the hub motor shell in an optimal state, the process requirement of interference fit is perfectly met, and the production efficiency is improved. And the assembling quality and the performance consistency of the motor are obviously improved.