CN212993689U

CN212993689U - A locking follow-up rotation prevention device for pet cage gyro wheel junction

Info

Publication number: CN212993689U
Application number: CN202021091238.7U
Authority: CN
Inventors: 仇斌
Original assignee: Jiangsu Zhongheng Pet Articles Co Ltd
Current assignee: Jiangsu Zhongheng Pet Articles Co Ltd
Priority date: 2020-03-02
Filing date: 2020-06-12
Publication date: 2021-04-20
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a locking device of preventing following commentaries on classics for pet cage gyro wheel junction, including fixed plate, the gyro wheel that is fixed in the cage four corners, the connecting screw who is fixed in the gyro wheel top, its technical essential is: the fixing plate is stamped with a polygonal limiting portion, the polygonal limiting portion comprises a polygonal boss located on the upper surface of the fixing plate, a polygonal limiting groove located on the lower surface of the fixing plate is arranged in the polygonal boss, a threaded hole penetrating through the polygonal boss is arranged in the polygonal limiting groove, threads at the upper end of a connecting screw rod extend out of the threaded hole, a polygonal limiting piece is fixed at one end, close to the roller, of the connecting screw rod, the polygonal limiting piece can be attached to and embedded into the polygonal limiting groove, and a fastening nut is matched with the connecting screw rod in a threaded mode. The anti-loosening anti-follow-up rotation device has the advantages of convenience and quickness in installation, easiness in roller detachment and good anti-loosening anti-follow-up rotation performance.

Description

A locking follow-up rotation prevention device for pet cage gyro wheel junction

Technical Field

The utility model belongs to the technical field of pet cage threaded fastener's frock technique and specifically relates to a locking device of preventing following commentaries on classics for pet cage gyro wheel junction.

Background

Most pet cage on the market is great because of the volume, and it is inconvenient to remove, and the gyro wheel is generally installed in the four corners of the bottom of cage, but because production technology and the problem of the later stage change of being convenient for, the gyro wheel generally not with cage bottom four corners welded fastening, the gyro wheel top is generally fixed with the cage bottom through the bolt, therefore in daily use and the in-process that promotes probably takes place the not hard up problem of junction threaded connection fastener of gyro wheel, because of the great follow-up problem that takes place of cage dead weight.

A threaded fastener is a generic name of a type of mechanical parts used when two or more parts (or components) are fastened and connected into a whole by a threaded connection, and generally includes a bolt, a stud, a screw, a nut, and the like.

In the installation of cage and gyro wheel, during fastening bolt, the problem that the bolt or the nut of complex with it is difficult to avoid always with turning round, solve the problem of turning round with turning round when bolt and nut cooperation at present, adopt the spanner to realize preventing with turning round usually, this will lead to in fastening process, need great strength and later stage dismouting difficult.

Based on the above market demands and technical problems, there is a need for a locking and rotation-following prevention device for a cage and a roller, which is free from the problems of strong fastening and difficult disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a locking device of preventing following commentaries on classics for pet cage gyro wheel junction has that the installation is convenient, the gyro wheel is dismantled easily, and has the good locking advantage of preventing moving with following the commentaries on classics.

In order to achieve the technical purpose, the utility model provides a following technical scheme: the utility model provides a locking device of preventing following commentaries on classics for pet cage gyro wheel junction, is including fixed plate, the gyro wheel that is fixed in the cage four corners, the connecting screw who is fixed in the gyro wheel top, the last punching press of fixed plate has the spacing portion of multiangular, the spacing portion of multiangular is including the multiangular boss that is located the fixed plate upper surface, be equipped with the spacing recess of multiangular that is located the fixed plate lower surface in the multiangular boss, be equipped with the screw hole that runs through the multiangular boss in the spacing recess of multiangular, the screw hole supplies connecting screw upper end screw thread to stretch out, the one end that connecting screw is close to the gyro wheel is fixed with the multiangular locating part, the multiangular.

Through adopting above-mentioned technical scheme, connecting screw stretches into the spacing portion of multiangular from the fixed plate below, the fixed multiangular locating part in connecting screw bottom can laminate and imbed the multiangular spacing inslot, the multiangular spacing groove is prevented following the commentaries on classics spacing to the multiangular locating part, because of fixed plate thickness is limited, the multiangular boss has certain thickness, can compensate the fixed plate thickness, improve the structural strength of screw hole and the spacing portion of multiangular, after screwing up the fastening nut, can effectively realize the function of preventing following the commentaries on classics and locking moving of higher strength.

The utility model discloses further set up to, the axle of the spacing recess of multiangular is 0.5 times to 1.1 times of the multiangular locating part axle height deeply, and the axle that the axial of here is connecting screw is the direction.

By adopting the technical scheme, the shallow and deep polygonal limiting grooves can not be lifted to achieve a good follow-up rotation preventing effect.

The utility model discloses further set up as, be equipped with the twist grip of being convenient for wrench movement on the fastening nut.

Through adopting above-mentioned technical scheme, the knob handle of addding is convenient for the dismouting.

The utility model discloses further set up to, the preferred hexagonal of establishing of spacing portion of multiangular, multiangular boss, the spacing recess of multiangular, the preferred hexagonal of establishing to of multiangular locating part.

Through adopting above-mentioned technical scheme, when all establishing to the hexagonal, stability is stronger, and can directly replace with the nut of multiangular locating part, reduce cost.

To sum up, the utility model discloses following beneficial effect has been gained:

1. the polygonal limiting boss compensates the thickness of the fixing plate, the structural strength of the threaded hole and the polygonal limiting part is improved, and after the nut is screwed and fastened, the follow-up rotation prevention and loosening prevention functions with higher strength can be effectively realized;

2. simple structure, low cost is convenient for reequip existing structure.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of a multi-angle limiting portion of the present embodiment;

FIG. 3 is a schematic structural diagram showing a polygonal limiting groove according to the present embodiment.

Reference numerals: 1. a cage; 2. a fixing plate; 3. a roller; 4. connecting a screw rod; 5. a multi-angle limiting part; 6. a polygonal boss; 7. a multi-angle limiting groove; 8. a threaded hole; 9. a polygonal stopper; 10. fastening a nut; 11. and (4) twisting the handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a locking device of preventing following commentaries on classics for pet cage gyro wheel junction, as shown in figure 1, the four corners of cage 1's bottom is equipped with triangle-shaped fixed plate 2.

As shown in fig. 1 and 2, the connecting device further comprises a roller 3, a connecting screw 4 fixed on the top of the roller 3, a polygonal limiting portion 5 is stamped on the fixing plate 2, the polygonal limiting portion 5 comprises a polygonal boss 6 located on the upper surface of the fixing plate 2, a polygonal limiting groove 7 located on the lower surface of the fixing plate 2 is arranged in the polygonal boss 6, a threaded hole 8 penetrating through the polygonal boss 6 is arranged in the polygonal limiting groove 7, the threaded hole 8 is used for extending out the upper end thread of the connecting screw 4, a polygonal limiting part 9 is fixed at one end, close to the roller 3, of the connecting screw 4, the polygonal limiting part 9 can be embedded into the polygonal limiting groove in a fitting manner, the connecting screw 4 is in threaded fit with a fastening nut 10, and a twisting handle 11 convenient for twisting is arranged on the fastening.

As shown in fig. 2 and 3, the connecting screw rod 4 extends into the polygonal limiting portion 5 from the lower part of the fixing plate 2, the polygonal limiting piece 9 fixed at the bottom of the connecting screw rod 4 can be attached and embedded into the polygonal limiting groove, the polygonal limiting groove limits the polygonal limiting piece 9 in a follow-up rotation prevention mode, the thickness of the fixing plate 2 is limited, the polygonal boss 6 has a certain thickness, the thickness of the fixing plate 2 can be compensated, the structural strength of the threaded hole 8 and the polygonal limiting portion 5 is improved, and after the nut 10 is screwed up and fixed, the follow-up rotation prevention and anti-loosening functions with high strength can be effectively achieved.

As shown in FIG. 2, neither the shallow nor the deep polygon limiting groove 7 can provide a good anti-follow-up effect, so the axial depth of the polygon limiting groove 7 is 0.5 to 1.1 times the axial height of the polygon limiting member 9.

In this embodiment, the polygonal limiting portion, the polygonal boss, and the polygonal limiting groove are formed in a hexagonal shape, and the polygonal limiting member is formed in a hexagonal nut. When all are set to be hexagonal, the stability is stronger, and the polygonal limiting piece can be directly replaced by a nut, so that the cost is reduced. In actual operation and production, the technical effects of preventing follow-up rotation and preventing looseness can be realized without limitation to hexagonal setting.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The specific embodiments are only for explaining the present invention, and are not intended to limit the present invention, and those skilled in the art can modify the present invention as required after reading the present specification without any inventive contribution, but all the modifications are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a locking device of preventing following commentaries on classics for pet cage gyro wheel junction, is including fixed plate (2), gyro wheel (3) that are fixed in cage (1) four corners, be fixed in connecting screw (4) at gyro wheel (3) top, its characterized in that: the fixed plate (2) is stamped with polygonal limiting portion (5), the polygonal limiting portion (5) comprises a polygonal boss (6) located on the upper surface of the fixed plate (2), a polygonal limiting groove (7) located on the lower surface of the fixed plate (2) is arranged in the polygonal boss (6), a threaded hole (8) penetrating through the polygonal boss (6) is formed in the polygonal limiting groove (7), the threaded hole (8) is used for extending out of upper end threads of a connecting screw rod (4), one end, close to the roller (3), of the connecting screw rod (4) is fixed with a polygonal limiting part (9), the polygonal limiting part (9) can be attached to and embedded into the polygonal limiting groove, and a fastening nut (10) is matched with the threads of the connecting screw rod (4).

2. The anti-loosening and anti-follow-up rotation device for the pet cage roller connection part according to claim 1, wherein: the axial depth of the polygonal limiting groove (7) is 0.5 to 1.1 times of the axial height of the polygonal limiting piece (9).

3. The anti-loosening and anti-follow-up rotation device for the pet cage roller connection part according to claim 1, wherein: the fastening nut (10) is provided with a twisting handle (11) which is convenient to twist.

4. The anti-loosening and anti-follow-up rotation device for the pet cage roller connection part according to claim 1, wherein: the polygonal limiting part (5), the polygonal boss (6) and the polygonal limiting groove (7) are hexagonal, and the polygonal limiting part (9) is a hexagonal nut.