12results about How to "Eliminate assembly gaps" patented technology

The utility model discloses an electronic equipment bottom shell and electronic equipment, electronic equipment bottom shell is equipped with integrated forming piece and includes rear cover and middle frame, and the inside round corner and the outside round corner are separately arranged on the inside and outside of electronic equipment bottom shell, and the inside round corner and the outside round corner all are bent and extend from the rear cover to the middle frame to form the bending corner part, and the radius of the inside round corner is greater than or equal to 3mm, and the radius of the outside round corner is less than or equal to 1.5mm, so that the material quality is unified, and there is no touch jump when holding, and the assembly gap between the rear cover and the middle frame is eliminated, and at the same time, the outside round corner adopts the small R angle with the radius of the arc less than or equal to 1.5mm, so that the outside corner of the rear cover and the middle frame is close to the right angle to ensure the appearance simplicity, and the inside round corner adopts the big R angle with the radius of the arc greater than or equal to 3mm, so that the corner thickness of the rear cover and the middle frame is improved, the impact resistance is improved, the breaking phenomenon when falling is avoided, and the inside round corner also plays the role of facilitating processing.

This invention discloses a high-precision dual-purpose adhesive film production device for both forward and reverse coating, comprising a frame, a linear guide rail mounted on top of the frame, and a roller seat drive assembly on the outer side of the frame. The roller seat drive assembly includes a forward coating roller seat and a reverse coating roller seat slidably connected to the outer side of the linear guide rail. A forward coating heating roller is mounted on the forward coating roller seat, and a forward coating scraper is mounted on top of the forward coating heating roller. A reverse coating heating roller is mounted on the reverse coating roller seat. This invention employs a dual-roller seat independent drive combined with a linear guide rail structure, ensuring smooth and skew-free roller movement, fundamentally avoiding the roller slippage problem that occurs during adjustment in traditional equipment. The dual heating rollers allow for functional interchangeability, enabling quick switching between forward and reverse coating modes. The integrated limit, gap adjustment, and gap elimination structures significantly improve the accuracy of adhesive gap control and operational stability, meeting the requirements of high-precision adhesive film production.

The utility model discloses a connecting structure of motorcycle oil tank, it includes the casing, the lower extreme of casing is provided with the limit component, the limit component includes the two sliding slots of opening in the lower extreme of casing, the inside sliding connection of sliding slot has the connecting block, the lower extreme fixed connection of connecting block has the limit board, the limit board inner wall is provided with the installation slot, the inner wall fixed connection of installation slot has the friction pad. Through above -mentioned structure can effectively eliminate the assembly gap between oil tank and frame installation space, prevent the transverse movement of the vehicle driving because of vibration. The stable clamping force can be maintained when using for a long time, avoid the problem of fuel leakage caused by the decline of fuel pipe joint sealing performance, thread connection loosening, thereby.

This utility model discloses a quick-change fixture for a knife grinding machine, comprising: an integrated tool holder with an assembly groove on it, wherein a knife is installed at the bottom of the cavity of the assembly groove; a downward positioning mechanism mounted on the knife; a mounting plate fixedly mounted on one side of the integrated tool holder; a rotary propulsion mechanism inserted into the top of the mounting plate; and a pressing mechanism connected to one end of the rotary propulsion mechanism. This utility model utilizes the combined arrangement of the downward positioning mechanism and the pressing mechanism, and by optimizing the fit between the pin and the center hole of the diamond blade, eliminates assembly gaps, ensuring consistent clamping positions each time, significantly improving the uniformity of blade dimensions after grinding. The linkage design of the elbow clamp and the connecting mechanism allows the downward positioning mechanism to clamp or release the knife simply by lifting and rotating the elbow clamp, greatly shortening the clamping time.

The utility model discloses a kind of baking trays, it is related to kitchen utensil technical field, including baking tray body and lid assembly, baking tray body top is equipped with lid assembly, lid assembly includes silica gel layer and glass layer, silica gel layer is wrapped glass layer outer lateral wall and upper surface, silica gel layer side is fixed with sealing plug.The utility model provides the cooperation of trapezoidal section of silica gel sealing plug and baking tray clamping groove, sealing can be formed by folding insertion, without traditional buckle, bolt and the like connecting piece, avoid the sealing attenuation caused by the wear of part, after testing, internal air pressure difference can reach 2kPa when turning over baking tray, liquid leakage rate is 0%, far superior to the leakage probability of 15% of traditional buckle type baking tray, sealing plug and lid body are integrally formed, eliminate the assembly gap of split structure, cooperate the elastic deformation capacity of silica gel, the manufacturing tolerance within 0.5mm of baking tray edge can be adapted, improve sealing reliability.

The utility model discloses a cutting equipment with mother -daughter saw structure relates to woodworking machinery technical field, including work table, mother saw structure, daughter saw structure, dust collecting structure and guide structure. Mother saw structure realizes saw blade height double -mode adjustment through thread transmission and bevel gear engagement, and daughter saw structure passes through the cooperation of adjusting bolt and compression spring, and the coplanar precision with mother saw saw blade is ensured, and dust collecting structure's negative pressure pump and protection board groove are integrated in saw blade side, and real -time collection wood shavings, and guide structure adopts the design of damper bar and locking tooth, realizes cutting path dynamic adjustment and locking. The utility model has solved traditional equipment adjustment efficiency low, dust pollution is big, and the problem such as cutting precision deficiency.

This utility model discloses a valve ball assembly structure for a top-mounted high-temperature steam ball valve, including a valve ball body with a complete straight-hole flow channel, a split-type connecting assembly, a gap-eliminating fit structure, an axial fastening unit, a torque transmission unit, and a valve shaft. The split-type connecting assembly includes two detachable connecting discs, which respectively mate with the axial end faces of the valve ball body. The gap-eliminating fit structure is located at the contact interface between the connecting disc and the valve ball body to eliminate assembly gaps. The axial fastening unit passes through the connecting disc and the valve ball body to achieve axial locking. The torque transmission unit passes through the connecting disc and the valve ball body to achieve opening and closing torque transmission. The valve shaft mates with one of the connecting discs for the driven rotation of the valve ball body. In this structure, the upper and lower connecting discs and the valve ball, as well as the lower connecting disc and the valve shaft, all adopt conical surface mating to eliminate assembly gaps, ensuring the coaxiality of the valve ball assembly and improving structural performance.

The utility model provides a kind of embedded indoor unit of air conditioner, it includes shell, air deflector and first driving device.The lower part of the front side of shell is provided with air outlet.Air deflector is rotatably arranged at air outlet;Air deflector is provided with rotating hole.First driving device is arranged in shell, first driving device has rotating shaft assembly, rotating shaft assembly includes rotating part, elastic member, and telescopicly connected in rotating part, and with the synchronous rotation of rotating part telescopic shaft;Telescopic shaft is inserted into rotating hole, and drives air deflector to rotate;Elastic member is arranged between rotating part and telescopic shaft, and is configured to provide so that telescopic shaft inserts into the force of rotating hole.The utility model solves the technical problem that rotating shaft and air deflector rotating hole assembly are difficult in the prior art, to improve the purpose of embedded indoor unit of air conditioner assembly efficiency.

The utility model provides a kind of rotary base for mechanical arm belongs to mechanical arm technical field.It solves the problem of insufficient stability of base in prior art.The base shell is hollow arc-shaped disc structure, first limit slot and second limit slot are provided on the surface of base shell, first limit slot and second limit slot are distributed in spaced circumferential array and first limit slot and second limit slot are respectively provided with first limit hole and second limit hole, connecting bottom plate is arranged at the inner bottom end of base shell, first extension body and second extension body are formed by the outer circumferential extension of connecting bottom plate, first connecting hole and second connecting hole are respectively formed in first extension body and second extension body, first fastening pin is fixedly arranged in first connecting hole and first limit hole, second fastening pin is fixedly arranged in second connecting hole and second limit hole.The utility model has the advantages of stable structure, flexible rotation reduction ratio adjustment and strong anti-deformation ability.

This utility model relates to the field of connector protection technology, specifically a connector protection tail shell with a double locking structure, including a front shell and a rear shell, the front shell and the rear shell being adapted to each other. The front shell has symmetrical slide bars on its upper and lower sides, and the rear shell has slide rails on its upper and lower sides. The slide bars pass through the slide rails and are damped and slidably connected to them. A groove is provided on one side of the slide rail, and a limiting device for limiting the slide rail and slide bars is provided in the groove. A locking device for locking the limiting device is provided on the upper side wall of the rear shell. The limiting device includes a spring, a sliding block and a limiting plate. The locking device includes a fixed box, a threaded rod, a lifting block and a locking rod. A damping turntable is provided at the upper end of the fixed box. This double locking mode retains the quick assembly characteristics of elastic locking and enhances the impact resistance under extreme working conditions through threaded force locking.

The utility model relates to a cabinet body connecting structure which comprises a first cabinet body, a second cabinet body, connecting assemblies and connecting blocks, one side of the first cabinet body is connected with one side of the second cabinet body through a plurality of sets of connecting assemblies, and each connecting assembly comprises a first connecting piece and a second connecting piece which are movably connected in a clamped mode. And the other sides of the connecting rods are connected through a plurality of connecting blocks. The utility model has the beneficial effects that the quick organization can be realized, the structural stability is strong, and the appearance is attractive.

This utility model relates to a modified air conditioner compressor sealing gasket, specifically within the field of air conditioner compressor sealing gaskets. It addresses the problem that, during installation, the lack of an effective positioning structure makes it difficult for operators to quickly and accurately place the gasket in the designated position, posing a risk of installation misalignment. If the gasket is not installed correctly, it will result in a poor seal, affecting the performance and efficiency of the air conditioning system. The technical features include: a gasket body, a reinforcing structure mounted on the upper surface of the gasket body, a first positioning structure formed on the upper surface of the gasket body, a second positioning structure mounted on the side surface of the gasket body, a third positioning structure mounted on the side surface of the gasket body, a first limiting structure mounted on the second positioning structure, and a second limiting structure mounted on the third positioning structure. This effectively prevents problems such as misalignment and torsion of the gasket during installation, avoids the loosening risks that may exist in assembled structures, and features a relatively simple structure and convenient use.