CN214837723U

CN214837723U - Anti-loosening fastener

Info

Publication number: CN214837723U
Application number: CN202120645771.1U
Authority: CN
Inventors: 戴美华
Original assignee: Zhejiang Shuguang Automotive Standard Part Co ltd
Current assignee: Zhejiang Shuguang Automotive Standard Part Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-23
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a locking fastener in fastener field, including the nut, nut bottom fixed mounting has the connecting plate, connecting plate bottom fixed mounting has the double-screw bolt, threaded connection has the nut on the double-screw bolt, double-screw bolt bottom fixed mounting has the connector, the cover is equipped with the locking head on the connector, be provided with the mounting groove in the locking head, and the mounting groove is provided with two, equal sliding connection has the slide in two mounting grooves, two slides are close to the equal fixed mounting in one side and have the locking lever each other, and correspond two locking lever departments on the connector and all be provided with the locked groove, two locking levers are close to one side each other and all extend to the locked groove in, two slides keep away from the equal fixed mounting in one side each other and have the pull rod, the beneficial effects of the utility model are that: this kind of fastener convenient to use through mutually supporting of first friction disc, second friction disc, pull rod, slide, spring and locking lever, can play the effect of multiple reinforcement locking to the nut to the fastening of this kind of fastener has further been improved.

Description

Anti-loosening fastener

Technical Field

The utility model relates to a fastener field specifically is a locking fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees.

Present fastener single structure fixes through single nut mostly, and the fastening is relatively poor, consequently the utility model provides a locking fastener.

SUMMERY OF THE UTILITY MODEL

The utility model provides a locking fastener for solve above-mentioned fastener single structure, fix the relatively poor problem of fastening nature mostly through single nut.

In order to solve the technical problem, the utility model provides a following technical scheme:

a locking fastener comprises a nut, a connecting plate is fixedly arranged at the bottom of the nut, a stud is fixedly arranged at the bottom of the connecting plate, the screw bolt is connected with a nut in a threaded manner, the bottom of the screw bolt is fixedly provided with a connector, the connector is sleeved with a locking head, the locking head is internally provided with an installation groove, two mounting grooves are arranged, sliding plates are connected in the two mounting grooves in a sliding manner, locking rods are fixedly arranged on the sides, close to each other, of the two sliding plates, and the connecting head is provided with locking grooves corresponding to the two locking rods, one side of each locking rod close to each other extends into the locking groove, one side of each sliding plate far away from each other is fixedly provided with a pull rod, one side of each pull rod far away from each other extends out of the locking head, a first friction plate is fixedly mounted on one side, close to the locking head, of the nut, and a second friction plate is fixedly mounted on one side, close to the nut, of the locking head.

As a further aspect of the present invention: the nut top is provided with square groove, just the bottom end is provided with the cross slot in the square groove, makes this kind of fastener can use multiple type instrument to install through two kinds of cell bodies settings of cross slot and square groove, further improves the use convenience of this kind of fastener, can install through the instrument in the square groove of adaptation after the cross slot silky yarn warp simultaneously, has avoided the problem that can lead to the fastener to be unable to use after the smooth silk deformation of mounting hole on the traditional fastener.

As a further aspect of the present invention: the anti-skidding lugs are arranged on one side, close to each other, of the first friction plate and the second friction plate, the first friction plate and the second friction plate are arranged in a mode that one side, close to each other, of the first friction plate and one side, close to each other, of the second friction plate are abutted, and friction force between the first friction plate and the second friction plate is increased through the anti-skidding lugs, so that nuts are prevented from loosening.

As a further aspect of the present invention: two the equal fixed mounting in one side that the pull rod keeps away from each other has the arm-tie, is convenient for spur the pull rod through two arm-ties, is favorable to the use of pull rod.

As a further aspect of the present invention: the nut, the connecting plate, the stud, the nut, the connector and the locking head are all made of stainless steel, and the service life of the fastener is further prolonged by utilizing the corrosion-resistant characteristic of the stainless steel.

As a further aspect of the present invention: the connector sets up to square, and corresponds the connector setting in the locking head, and through being square with the connector design, the locking lever of being convenient for can aim at the locked groove, is favorable to the use of this kind of fastener.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the stud is passed through the mounting hole reserved on the assembly part, the connecting plate can limit one side of the assembly part, the nut is connected to the stud by screw thread on the side of the assembly part far from the connecting plate, then the two pull rods are pulled towards the side far away from each other by the pull plate, the lock rod is retracted into the mounting groove, the locking head is sleeved on the connecting head, the first friction plate is abutted against the second friction plate, the pull plate is loosened, the two springs return to enable the two sliding plates to slide towards the side close to each other, the two sliding plates drive the two lock rods to slide towards the side close to each other, thereby the lock rod is inserted into the lock groove to form fixed limit to the nut, the fastener is convenient to use, and the nut can be reinforced and locked by the mutual matching of the first friction plate, the second friction plate, the pull rod, the sliding plates, the springs and the lock rod, thereby further improving the fastening of the fastener.

2. The utility model discloses in, set up through two kinds of cell bodies in cross recess and square groove and make this kind of fastener can use multiple type instrument to install, further improve the use convenience of this kind of fastener, can install through the instrument of adaptation square groove after the cross recess smooth silk warp simultaneously, can lead to the unable problem that uses of fastener after having avoided the smooth silk of mounting hole on the traditional fastener to warp.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a nut; 2. a stud; 3. a connector; 4. pulling a plate; 5. a locking head; 6. a first friction plate; 7. a nut; 8. a lock lever; 9. a connecting plate; 10. a cross groove; 11. a square groove; 12. a second friction plate; 13. locking the groove; 14. mounting grooves; 15. a pull rod; 16. a spring; 17. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the anti-loosening fastener comprises a nut 1, a connecting plate 9 is fixedly arranged at the bottom of the nut 1, a stud 2 is fixedly arranged at the bottom of the connecting plate 9, a nut 7 is connected to the stud 2 in a threaded manner, a connector 3 is fixedly arranged at the bottom of the stud 2, a locking head 5 is sleeved on the connector 3, a mounting groove 14 is formed in the locking head 5, two mounting grooves 14 are arranged, sliding plates 17 are respectively connected in the two mounting grooves 14 in a sliding manner, locking rods 8 are respectively and fixedly arranged at one sides, close to each other, of the two sliding plates 17, locking grooves 13 are respectively arranged at positions, corresponding to the two locking rods 8, on the connector 3, one sides, close to each other, of the two locking rods 8 extend into the locking grooves 13, pull rods 15 are respectively and fixedly arranged at one sides, far away from each other, of the two pull rods 15 extend out of the locking head 5, a first friction plate 6 is fixedly arranged at one side, close to the locking head 5, of the nut 7, a second friction plate 12 is fixedly arranged on one side of the locking head 5 close to the nut 7.

The top of the nut 1 is provided with a square groove 11, the bottom end in the square groove 11 is provided with a cross groove 10, the fastener can be installed by using various tools through the arrangement of the cross groove 10 and two groove bodies of the square groove 11, the use convenience of the fastener is further improved, meanwhile, the fastener can be installed through the tool of the square groove 11 after the sliding wire of the cross groove 10 deforms, and the problem that the fastener cannot be used after the sliding wire of a mounting hole on a traditional fastener deforms is avoided.

The first friction plate 6 and the second friction plate 12 are both provided with anti-skidding protrusions, the bottom of the first friction plate 6 is abutted to the top of the second friction plate 12, and the anti-skidding protrusions are used for increasing the friction force between the first friction plate 6 and the second friction plate 12, so that the nut 7 is prevented from loosening.

Two pull rods 15 keep away from one side each other and all fixed mounting have arm-tie 4, are convenient for pull rod 15 through two arm-ties 4, are favorable to pull rod 15's use.

The nut 1, the connecting plate 9, the stud 2, the nut 7, the connector 3 and the locking head 5 are all made of stainless steel, and the service life of the fastener is further prolonged by utilizing the corrosion-resistant characteristic of the stainless steel.

The connector 3 is square, the locking head 5 is internally provided with the corresponding connector 3, and the connector 3 is square, so that the locking rod 8 can be aligned to the locking groove 13 conveniently, and the fastener is convenient to use.

Specifically, the utility model discloses during the use, through in passing stud 2 the mounting hole of reserving on the built-up member, connecting plate 9 can form spacingly to one side of built-up member, again with nut 7 from the built-up member keep away from on one side of connecting plate 9 threaded connection to stud 2, then use arm-tie 4 to pull two pull rods 15 towards keeping away from one side each other pulling, make locking lever 8 telescope into in mounting groove 14, again cup joint locking head 5 on connector 3, make first friction disc 6 and second friction disc 12 offset, loosen arm-tie 4, two springs 16 return make two slides 17 slide towards being close to one side each other, two slides 17 drive two locking levers 8 and slide towards being close to one side each other, thereby make locking lever 8 peg graft and form fixed spacingly to nut 7 in the locked groove 13, this kind of fastener convenient to use, through first friction disc 6, second friction disc 12, pull rod 15, The sliding plate 17, the spring 16 and the lock rod 8 are mutually matched, so that the effect of multiple reinforcement and locking on the nut 7 can be achieved, and the fastening performance of the fastening piece is further improved;

make this kind of fastener can use multiple type instrument to install through two kinds of cell bodies settings of cross slot 10 and square groove 11, further improve the use convenience of this kind of fastener, can install through the instrument of adaptation square groove 11 after the smooth silk of cross slot 10 warp simultaneously, can lead to the unable problem of using of fastener after having avoided the smooth silk of mounting hole on the traditional fastener to warp.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The anti-loosening fastener is characterized by comprising a nut (1), wherein a connecting plate (9) is fixedly mounted at the bottom of the nut (1), a stud (2) is fixedly mounted at the bottom of the connecting plate (9), a nut (7) is connected to the stud (2) in a threaded manner, a connector (3) is fixedly mounted at the bottom of the stud (2), a locking head (5) is sleeved on the connector (3), mounting grooves (14) are formed in the locking head (5), two mounting grooves (14) are formed in the two mounting grooves (14), sliding plates (17) are connected to the two mounting grooves (14) in a sliding manner, locking rods (8) are fixedly mounted on one sides of the two sliding plates (17) close to each other, locking grooves (13) are formed in the positions of the connector (3) corresponding to the two locking rods (8), and one sides of the two locking rods (8) close to each other extend into the locking grooves (13), two equal fixed mounting in one side of keeping away from each other of slide (17) has pull rod (15), two pull rod (15) keep away from each other one side all extend locking head (5) outside, fixed mounting has first friction disc (6) on one side that nut (7) are close to locking head (5), fixed mounting has second friction disc (12) on one side that locking head (5) are close to nut (7).

2. Anti-loose fastener according to claim 1, characterized in that the nut (1) is provided with a square groove (11) at the top and a cross groove (10) at the bottom end in the square groove (11).

3. A loose-proof fastener according to claim 1, characterized in that the first friction plate (6) and the second friction plate (12) are provided with anti-skid protrusions on the sides close to each other, and the first friction plate (6) and the second friction plate (12) are arranged against each other on the sides close to each other.

4. Anti-loose fastener according to claim 1, characterized in that the pull plate (4) is fixedly mounted on the side of each of the two pull rods (15) remote from each other.

5. Anti-loose fastener according to claim 1, characterized in that the nut (1), the web (9), the stud (2), the nut (7), the connector (3) and the locking head (5) are made of stainless steel.

6. Anti-loose fastener according to claim 1, characterized in that the connector (3) is arranged in a square shape and the locking head (5) is arranged corresponding to the connector (3).