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10results about How to "Prevent reverse installation" patented technology

Positioning and press-fitting device for fixing clamp of gas pipeline shell

ActiveCN224255206Uprevent reverse installationIncrease productivityWork holdersCircular discPhysics
The utility model relates to a gas pipeline shell fixing clamp positioning press-fitting device, a press-fitting mechanism is arranged on an installation disc and on one side of a positioning assembly, the press-fitting mechanism comprises a press-fitting air cylinder, a guide seat and a press-fitting positioning seat, the guide seat is provided with a guide groove, a fixing clamp is arranged in the guide groove, and the press-fitting positioning seat is arranged on the guide groove. A push rod is arranged at the front end of the press-fitting air cylinder and inserted into the guide groove, the fixing clamp is driven by the push rod to move, a first wing plate of the gas pipeline shell is arranged on the press-fitting positioning seat, a wing plate open groove allowing the fixing clamp to be inserted is formed in one side of the first wing plate, and the wing plate open groove is correspondingly connected with the guide groove. The fixing clamp comprises a conical part, a disc part and a square disc part which are sequentially arranged from top to bottom, the groove walls of the two sides of the guide groove are provided with guide slopes and first limiting grooves, the lower side of the disc part makes contact with the guide slopes, and the square disc part is arranged in the first limiting grooves. According to the utility model, reverse mounting of the fixing clamp can be avoided, and automatic press mounting of the fixing clamp can be realized.
Owner:DANDONG HUA PLASTICS PRECISION TECH CO LTD

Novel flowmeter device

The utility model discloses a novel flowmeter device which comprises an upper shell and a lower shell which are assembled with each other, rotors are rotationally installed in the upper shell and the lower shell, a liquid outlet pipe and a liquid inlet pipe are arranged at the outer end of the upper shell and the outer end of the lower shell respectively, a plurality of blades are distributed on the outer sides of the rotors at equal intervals, and columns are arranged on the blades. Each blade is provided with a cylinder, so that the shape of each blade is kept uniform, the weight of each blade is balanced, and the dynamic balance effect is improved. The pressing block and the sinking groove are arranged in a long and short manner, so that the problem of reverse installation can be avoided; and the assembling groove and the aligning block are uniquely positioned and matched, so that the problem of reverse assembly is further avoided. The two ends of the rotor are modified into flat-corner cone blocks, and top sharp corners of the cone blocks are removed, so that the injection molding rate is increased, and damage caused by collision is avoided.
Owner:XINHENGYINGJU (NINGBO) TECH CO LTD

Axle head and axle housing body assembly press-fitting tool

The application discloses an axle head and axle housing body assembly press-fitting tool, which comprises a right axle head point fixing tool and a left axle head point fixing tool, the right axle head point fixing tool comprises a first bottom plate, a first V-shaped block rotatably installed on the first bottom plate, a first front adjusting block and a first rear adjusting block installed on the first V-shaped block; the left axle head point fixing tool comprises a second bottom plate, a second V-shaped block rotatably installed on the second bottom plate, a second front adjusting block and a second rear adjusting block installed on the second V-shaped block; an angle adjusting cylinder is connected to the first V-shaped block, and the angle adjusting cylinder is suitable for adjusting the angle of the first V-shaped block relative to the first bottom plate. The V-shaped block is matched with the front and rear staggered adjusting blocks (the first front adjusting block, the first rear adjusting block, the second front adjusting block and the second rear adjusting block), so that the axle head can be kept stable during the press-fitting process, the deviation or inclination is reduced, and the assembly coaxial degree and precision are improved.
Owner:JIANGXI JIANGLING CHASSIS CO LTD

Reel anti-reverse installation device for reel placing shaft

ActiveCN224190061Uprevent reverse installationPrevent push-inMeasurement instrument housingSemiconductor packageMechanical engineering
The utility model discloses a reel anti-reverse installation device for a reel placing shaft, which relates to the technical field of semiconductor packaging test, and comprises a reel placing shaft which comprises a base and a positioning shaft arranged on the base in a penetrating manner, and an elastic positioning piece capable of moving along the axial direction vertical to the positioning shaft is inserted into the side wall of the positioning shaft; the first end of the detection needle is arranged in the base and is elastically connected with the base, the second end of the detection needle extends out of the base, and the second end of the detection needle exceeds the part, located outside the base, of the elastic positioning piece in the axial direction of the positioning shaft; the locking block is arranged on the inner side wall, opposite to the elastic positioning piece, of the positioning shaft and is movably arranged in the axial direction of the positioning shaft; and the linkage piece is arranged between the detection needle and the locking block, and is used for driving the locking block to move to the lower part of the elastic positioning piece when the detection needle is in a pressed state so as to abut against the elastic positioning piece. The device can prevent a worker from reversely installing the reel, and the dependence on the installation experience of the worker is reduced.
Owner:DIODES TECH CHENGDU +2

Magnetic attraction structure of a helmet Bluetooth earphone

ActiveCN224418925Uprevent reverse installationFastened firmlyHeadphonesMechanical engineering
The utility model relates to a magnetic attraction structure of helmet bluetooth earphone belongs to communication equipment technical field, this magnetic attraction structure includes bluetooth earphone and base, the bottom of bluetooth earphone is provided with at least two clamping slots, the top of base is elastically provided with the buckle corresponding with clamping slot, the buckle buckle is arranged in the inside of base and is rotationally connected in base. The utility model simple structure layout is exquisite, realizes the automatic suction of earphone and base through magnetic attraction principle, prevents earphone from being installed reversely through magnetic repulsion characteristic, improves the convenience and accuracy of use, and the linkage structure design of spring and buckle position ensures that earphone is tightly clamped after suction, improves structural stability, avoids earphone falling in the process of using, compared with prior art has the remarkable progress.
Owner:SHENZHEN CITY TRAVEL TECH CO LTD

A cylinder assembly, a pump body structure and a compressor

ActiveCN224396695Uincrease back pressureprevent reverse installationRotary piston pumpsRotary piston liquid enginesPistonPhysics
The utility model relates to a cylinder assembly, pump body structure and compressor, cylinder assembly includes cylinder body, sliding block, the middle part of cylinder body is passed through its axial both ends and is provided with compression cavity, the inside wall of compression cavity is recessed and is formed with the sliding slot along the radial direction, the side of sliding slot away from compression cavity is spaced and is provided with the first cooperation part and the second cooperation part with the distance not equal with the center line of compression cavity along the axial direction, sliding block is slidably arranged in the sliding slot, the side surface of sliding block close to compression cavity is eccentric circular surface, the side of sliding block away from compression cavity is spaced and is provided with the first abutment of abutting with the first cooperation part and the second abutment of abutting with the second cooperation part along the axial direction, the utility model promotes the back pressure of sliding block through reducing the pressure of the end of sliding block and piston contact, and through the design of the first abutment and the second abutment of unequal length, prevent the adverse condition of reverse installation of sliding block, effectively solve the adverse phenomenon of "KATA" noise.
Owner:PANASONIC WANBAO GUANGZHOU COMPRESSOR

Stepping motor hand adjustment mechanism

ActiveCN224418664Uprevent reverse installationreduce losses
The utility model discloses a hand -operated mechanism of step motor comprises the inner sleeve and the top rod of mutual cooperation, and the utility model discloses a hand -operated mechanism of step motor is through setting the short groove, long groove and first stop convex point from top to bottom along the thread direction on the outer thread top, sets up the short tooth and long tooth respectively with short groove and long groove cooperation on the inner wall of top rod lower extreme, and the inclination direction of short tooth and long tooth is same with the spiral direction of outer thread, and long tooth and short tooth are forced to push into the outer thread below first stop convex point after long tooth and short tooth with long groove and short groove cooperation, and the inclination direction of long tooth and short tooth is same with the spiral direction of outer thread and long tooth is more lower extreme relative to short tooth, thereby can prevent short tooth from entering the outer thread first when long tooth and short tooth are rotated into the outer thread top, and only when long groove and short groove are all with long tooth and short tooth cooperation respectively, can long tooth and short tooth be forced to push into the outer thread below first stop convex point, can effectively avoid the problem that the outer thread of inner sleeve and long tooth and short tooth of top rod are reversed.
Owner:NINGBO JINGHUA ELECTRONICS TECH CO LTD

Electric control box assembly and air conditioner

The utility model relates to the technical field of air conditioners, and discloses an electric control box assembly and an air conditioner. The electric control box assembly comprises an electric control box, the electric control box comprises a box body and a box cover covering an opening of the box body, the box body comprises a first box side wall and a second box side wall opposite to the first box side wall, and the box cover is provided with a first cover side wall used for being matched with the first box side wall and a second cover side wall used for being matched with the second box side wall; the terminal strip box is arranged on the outer side of the first box side wall; the distance between the terminal strip box and the opening of the box body is smaller than the height of the second cover side wall and larger than or equal to the height of the first cover side wall. Under the condition that the first cover side wall corresponds to the first box side wall, that is, the box cover is correctly installed on the box body, the first cover side wall does not interfere with the terminal strip box, and under the condition that the second cover side wall corresponds to the first box side wall, that is, the box cover is reversely installed on the box body, the second cover side wall interferes with the terminal strip box. Therefore, the box cover cannot be installed on the box body, and the box cover is prevented from being installed reversely.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1