13results about How to "Avoid irreversible deformation" patented technology

The invention relates to a wide-temperature high-precision optical acceleration sensitive chip and sensor based on a microcavity interferometer principle and a manufacturing method thereof, the wide-temperature high-precision optical acceleration sensitive chip comprises a first substrate, a second substrate and a third substrate, an optical fiber mounting seat and a light through hole are formed on the first substrate, a beam structure and an inertial mass block are processed on the second substrate, and the beam structure is arranged on the third substrate. The first substrate, the second substrate and the third substrate are all made of double-polished super-flat silicon wafers, a single-mode optical fiber assembly is fixed to the optical fiber installation base, the end face of the single-mode optical fiber assembly is subjected to precise grinding and is perpendicular to the axial direction of an optical fiber core, and a first cavity mirror is formed by means of the end face of the side, facing the light through hole, of the inertial mass block. A second cavity mirror is formed on the end face of the single-mode optical fiber assembly, the first cavity mirror and the second cavity mirror form an F-P interference cavity, and the first substrate, the second substrate and the third substrate are connected through the silicon-silicon bonding technology.

The utility model discloses an automobile electronic product waterproof performance detection device, which belongs to the technical field of waterproof performance detection devices, and comprises a detection device main body and a pressurization device, the top of the detection device main body is connected with two support plates, and the tops of the two support plates are provided with the same cooling mechanism; by arranging the sealing mechanism, the stroke groove, the base plate and the sealing ring, the sealing ring has a certain buffering distance when being extruded, irreversible deformation caused by excessive extrusion of the sealing ring is avoided, the service life of the sealing ring is prolonged, the sealing ring can be tightly attached to the sealing groove by arranging the first spring, and the sealing effect is improved. The air tightness of the mold and the measurement accuracy of the device are improved, the air bag is extruded through the connecting plate, the air bag blows out air, and therefore the temperature in the first mold can be rapidly reduced, the speed of recovering the normal temperature of the first mold is increased, the waiting time is shortened, and then the measurement efficiency is improved.

The utility model discloses a liquid cooling plate and a battery pack, the liquid cooling plate comprises a first plate body part and a second plate body part, the first plate body part is provided with a plurality of first limiting ribs which are arranged side by side at intervals along a first direction and extend along a second direction, and the second plate body part is provided with a plurality of second limiting ribs which are arranged side by side at intervals along the second direction; the second plate body part is provided with a plurality of second limiting ribs which are arranged side by side at intervals in the first direction and extend in the second direction, the first free ends, away from the first plate body part, of the first limiting ribs are in clearance fit with the second plate body part, and the second free ends, away from the second plate body part, of the second limiting ribs are in clearance fit with the first plate body part. The first limiting ribs and the second limiting ribs are distributed in a staggered mode. An elastic piece is arranged between each first limiting rib and the corresponding adjacent second limiting rib, each elastic piece has deformation allowance in the third direction, and every two of the first direction, the second direction and the third direction intersect. According to the liquid cooling plate, external acting force can be absorbed, deformation recovery is carried out, unrecoverable deformation is reduced, and the battery cell and the liquid cooling plate are attached more reliably.

The invention discloses a workpiece placing jig, and relates to the technical field of metal powder injection, the workpiece placing jig comprises a positioning cover plate covering a sintered plate, the positioning cover plate is provided with a plurality of profiling holes which penetrate through the positioning cover plate and are provided with preset intervals, and parts can penetrate through the profiling holes to be clamped into part limiting grooves of the sintered plate; the shape of the profiling hole is matched with the shape of the part so that the part can only penetrate through the profiling hole from the front face, a strip penetrating groove allowing the ceramic strip to penetrate through is formed in the side face of the positioning cover plate, the strip penetrating groove is parallel to the part limiting groove, and the groove bottom of the strip penetrating groove is communicated with the profiling hole. The method has the effects of simplifying the placing steps and improving the production efficiency and the product quality.

The utility model relates to the technical field of weighing acquisition instruments, and discloses an automatic calibration weighing acquisition instrument, which comprises a main body assembly, an acquisition instrument body, a weighing platform, a supporting rod and a display screen, the weighing platform is arranged at the top of the acquisition instrument body, the supporting rod is fixed on one side of the acquisition instrument body, and the display screen is arranged on the weighing platform. The display screen is fixed to the top of the supporting rod. The dustproof assembly is arranged on the surface of the weighing platform and comprises a dustproof part, a fixing part, a bearing part and a positioning part, the dustproof part is arranged on the surface of the weighing platform, the fixing part is located on one side of the dustproof part, the bearing part is arranged in the dustproof part, and the positioning part is located on one side of the dustproof part. The beneficial effects of the utility model are that the dustproof assembly can prevent dust from falling on the surface of the weighing platform, and can support the weighing platform, thereby reducing the pressure of the weighing platform on the sensor in the acquisition instrument body, and preventing the sensor from irrecoverable deformation.

The present invention provides a guiding clamping device and a system with the guiding clamping device, comprising a guide plate fixedly mounted on a frame, the guide plate having an execution surface, the execution surface being suitable for sliding contact with an execution part of a clamp moving in the process of rotating with a conveyor belt, and driving the execution part to overcome the biasing force applied to a clamping part, so that the clamping part is opened, and the guide plate at the contact position of the execution part corresponding to the maximum opening position of the clamping part has toughness. When the clamp passes through the guide plate in the process of moving with the conveyor belt, the clamping action is automatically performed, and when the clamping action reaches the maximum position, the guide plate in contact with the execution part has toughness, which can prevent the execution part of the clamp from continuing to open the clamp and causing damage, effectively buffer the force received by the execution part, and increase the service life of the clamp.

The utility model relates to the technical field of air conditioners, and discloses a framework assembly for an air conditioner indoor unit, and the framework assembly comprises a framework provided with a first clamping structure; the electric appliance box body assembly is provided with a second clamping structure which can be clamped with the first clamping structure, so that the electric appliance box body assembly is clamped with the framework; one of the first clamping structure and the second clamping structure is an elastic structure, and the elastic structure can move in the direction away from the other one of the first clamping structure and the second clamping structure. And the elastic structure is clamped with the other one of the first clamping structure and the second clamping structure under the action of resilience force. The first clamping structure or the second clamping structure can generate elastic deformation, and under the action of resilience force, the clamping process of the first clamping structure and the second clamping structure is smoother, so that the clamping efficiency is improved, and the problem of irreversible deformation of the electric appliance box body assembly and / or the framework is avoided. The utility model further discloses the air conditioner.

The utility model relates to the field of pneumatic connector suite feeding devices, in particular to a pneumatic connector assembly machining suite feeding device, and solves the technical problems that pneumatic connector sealing rings are uniformly fed by a conveying machine after being packaged, and irreversible deformation is easily generated due to mutual collision and extrusion of the sealing rings during tight packaging and transportation. The sealing performance of the assembled pneumatic joint is reduced; according to the technical scheme, the pneumatic connector assembling and machining suite feeding device comprises a feeding box body, a cooling fan structure, a sliding loading and unloading table assembly, a sliding loading and unloading strip assembly, a sealing ring fixing assembly, a linear motor and a transverse conveying assembly, the feeding box body is a box body with doors on the two sides, and the sliding loading and unloading table assembly is arranged on a bottom plate of the feeding box body; a sliding loading-unloading strip assembly is arranged on the upper surface of the sliding loading-unloading table assembly; the sealing ring is connected to the outer side of the columnar rod in a sleeving mode through the sealing ring fixing assembly, irreversible deformation caused by scattered stacking and extrusion of the sealing ring is prevented, and the sealing performance of the sealing ring is improved.

The utility model belongs to the technical field of sealing strip, especially, relate to a kind of unmanned aerial vehicle hatch sealing strip.Solve the technical problems such as the rigidity of conventional sealing strip, leading to hatch difficult to close, deformation, etc.It includes the sealing strip upper body and the sealing strip lower body of the cross section of the integrated molding " cloud " shape, and the cross section of the sealing strip lower body is " horizontal fold " shape;Three arc convex parts are equipped on the sealing strip upper body, and the sealing strip lower body is equipped with a clamping groove.The significant reduction of door force value is realized, and the adaptation contradiction between conventional rigid sealing strip and carbon fiber composite fuselage, hatch is solved from the root.The optimization not only can easily realize the complete closure of hatch, eliminate the hidden danger such as air tightness damage, equipment damp and air pressure failure caused by gap, but also can fundamentally avoid irreversible deformation of hatch caused by long-term rigid extrusion, ensure the cooperation precision of fuselage and hatch, greatly reduce the risk of sealing failure.

This invention discloses a high-pressure-resistant power battery protective shell based on a multi-dimensional honeycomb structure, relating to the field of power battery protection technology. It includes an upper protective cover, with side plates fixedly connected to both ends of the upper protective cover via fixing mechanisms. The two side plates are arranged opposite each other and enclose a cell-accommodating cavity. A honeycomb pressure-resistant mechanism is provided on the side of the upper protective cover facing the cell-accommodating cavity. At least two sets of symmetrically distributed lifting mechanisms are provided on the outer sides of both side plates. The multi-dimensional gradient composite honeycomb structure achieves high pressure and impact resistance protection, while also possessing flame-retardant, heat-absorbing, and heat-dissipating properties. This solves the problems of insufficient pressure resistance, single protective function, and poor installation adaptability of traditional power battery protective shells, significantly improving the safety and stability of power battery use.

The utility model discloses a kitchen cabinet inner container plate processing compression molding device which comprises a workbench, a pressing groove is formed in the upper surface of the workbench, a supporting frame is fixedly connected to the upper surface of the workbench, a hydraulic cylinder is fixedly connected to the upper surface of the supporting frame, the output end of the hydraulic cylinder is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod is fixedly connected with a hydraulic cylinder. A mounting plate is fixedly connected to the bottom end of the hydraulic rod, an upper mold is fixedly connected to the lower surface of the mounting plate, a convex block is fixedly connected to the side surface of the mounting plate, a buffer mechanism is arranged in the convex block and comprises a telescopic rod, a convex ring, a pressing ring and a spring, and an elastic cushion is fixedly connected to the top inner wall of the convex block. And through the arranged buffering mechanism, the pressure generated when the upper mold is closed can be buffered, and the situation that the pressure is too large, so that the pressure groove is subjected to unrecoverable deformation, and the quality of a workpiece is reduced is avoided.

A wide-temperature, high-precision optical acceleration sensing chip and acceleration sensor based on the principle of a microcavity interferometer are disclosed. The acceleration sensing chip includes a first substrate, a second substrate, and a third substrate. An optical fiber mounting base and a light-transmitting hole are formed on the first substrate. The chip is characterized by a single-mode optical fiber assembly fixed on the optical fiber mounting base. The end face of the single-mode optical fiber assembly is precision ground and perpendicular to the axis of the optical fiber core. The optical fiber mounting base is a stepped hole with a first stepped portion and a second stepped portion. The single-mode optical fiber assembly includes a glass sleeve disposed on the outer layer and a single-mode optical fiber disposed in the core. The first stepped portion, the second stepped portion, the end face of the glass sleeve, and the end face of the single-mode optical fiber are all perpendicular to the core axis of the single-mode optical fiber. The first stepped portion forms a first fit with the end face of the glass sleeve, and the second stepped portion forms a second fit with the end face of the single-mode optical fiber.