CN217177124U

CN217177124U - Anti-drop nut

Info

Publication number: CN217177124U
Application number: CN202220867246.9U
Authority: CN
Inventors: 黄阳群
Original assignee: Zhejiang Sancheng Stainless Steel Co ltd
Current assignee: Zhejiang Sancheng Stainless Steel Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-12
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses an anti-drop nut, which comprises a nut body and a locking part, wherein the upper end of the nut body is provided with an installation part, the lower end of the nut body is provided with a fixed part, the outer circumferential surface of the installation part is provided with a clamping groove, the middle part of the installation part is provided with a connecting hole, the outer circumferential surface of the fixed part is provided with a plurality of installation holes, a plurality of locking parts are respectively arranged in the installation holes, the locking part comprises a fixed column, a sliding column and a ball, the fixed column is fixedly arranged in the installation hole, the fixed column is provided with a stepped hole, the sliding column is arranged in the stepped hole in a sliding way, the utility model has simple structure and convenient operation, the nut body is locked on a part through the matching of an elastic piece, the sliding column and the ball of the locking part, even after the connecting hole of the nut body and the thread of the part are worn and slipped, the locking part can still be with nut body chucking on the part, and the anticreep is effectual, connects firmly.

Description

Anti-drop nut

Technical Field

The utility model belongs to the technical field of the mechanical skill and specifically relates to an anticreep nut.

Background

The nut is a cylindrical threaded fastener adapted with the bolt, and is required to be matched with the bolt for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

In the existing bolt connection mode, no nut anti-loosening device is arranged, and under the condition, the nut is easy to loosen and even fall off due to the frequent vibration of the equipment in long-term high-load work, so that equipment failure and even field accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticreep nut to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling nut comprises a nut body and a locking part, wherein an installation part is arranged at the upper end of the nut body, a fixing part is arranged at the lower end of the nut body, clamping grooves are formed in the outer circumferential surface of the installation part, a connecting hole is formed in the middle of the installation part, a plurality of installation holes are formed in the outer circumferential surface of the fixing part, a plurality of locking parts are arranged, the locking parts are respectively arranged in the installation holes, each locking part comprises a fixing column, a sliding column and a ball, the fixing column is fixedly arranged in the installation hole, a stepped hole is formed in the fixing column, the sliding column is slidably arranged in the stepped hole, one end of the sliding column penetrates through the stepped hole and extends to the outer side of the fixing column, the other end of the sliding column penetrates through the stepped hole and extends to the outer side of the fixing column, a placing hole is formed in one end of the sliding column, and the ball is movably arranged in the placing hole, an elastic piece is arranged between one end, far away from the ball, of the sliding column and the stepped hole.

The during operation specifically, the handheld fixed portion of user is connected the nut body with the part of will connecting, close the screw thread of part soon through the connecting hole on, and meanwhile, the ball of locking portion is along the screw thread gap spiral of part downwards until nut body and part locking, the ball of locking portion tightly pushes up on the optical axis of part and with the recess bottom contact of optical axis under the effect of elastic component this moment, effectively prevent that the connecting hole from using the risk that the back screw thread smooth silk leads to nut body directly to break away from with the part for a long time with the screw thread of part, the anticreep is effectual, then the pipeline that will need to connect cup joints on the installation department, with the buckle with the pipeline chucking in the draw-in groove of installation department, the installation is firm.

Preferably, the connecting hole is a threaded hole, and the cross section of the end part of the mounting part is frustum-shaped, so that the pipeline can be conveniently sleeved.

Preferably, the mounting hole is provided with threely, three mounting hole evenly distributed is on the outer periphery of fixed part, makes things convenient for the locking part with the nut body chucking on the part, the joint is firm reliable.

Preferably, the clamping groove is an arc-shaped groove, so that the pipeline can be clamped on the mounting part conveniently by the buckle.

Preferably, the elastic component is a spring, and the sliding column is conveniently reset to enable the ball to be pressed on the part all the time.

Preferably, the mounting groove has been seted up to the one end that the ball was kept away from to the slip post, two jacks have been seted up to slip post tip, be provided with the handle in the mounting groove, the handle both ends are pegged graft in two jacks, the handle shape is the arc, conveniently breaks away from the part with locking portion, and then conveniently dismantles the nut body.

The utility model has the advantages that:

the utility model discloses simple structure, convenient operation, the cooperation through the elastic component of locking portion, slip post and ball locks the nut body on the part, even behind the connecting hole of nut body and the screw thread wearing and tearing slide wire of part, locking portion still can be with nut body chucking on the part, and the anticreep is effectual, connects firmly.

Drawings

Fig. 1 is a three-dimensional schematic diagram of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a top view of the overall structure of the present invention;

fig. 4 is a three-dimensional schematic view of the locking part structure of the present invention;

fig. 5 is a sectional view of the locking part structure of the present invention.

In the figure: 1. a nut; 11. an installation part; 12. a fixed part; 13. a card slot; 14. connecting holes; 15. a placement groove; 16. mounting holes; 2. a locking portion; 21. fixing a column; 211. a stepped hole; 22. a sliding post; 221. placing holes; 222. mounting grooves; 223. a jack; 23. a ball bearing; 24. an elastic member; 25. and (4) a handle.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an anti-falling nut comprises a nut body 1 and a locking part 2, wherein an installation part 11 is arranged at the upper end of the nut body 1, a fixing part 12 is arranged at the lower end of the nut body 1, a clamping groove 13 is formed in the outer circumferential surface of the installation part 11, a connecting hole 14 is formed in the middle of the installation part 11, a plurality of installation holes 16 are formed in the outer circumferential surface of the fixing part 12, a plurality of locking parts 2 are arranged in the installation holes 16 respectively, each locking part 2 comprises a fixing column 21, a sliding column 22 and a ball 23, the fixing column 21 is fixedly installed in the installation holes 16, a stepped hole 211 is formed in the fixing column 21, the sliding column 22 is slidably arranged in the stepped hole 211, one end of the sliding column 22 penetrates through the stepped hole 211 and extends to the outer side of the fixing column 21, the other end of the sliding column 22 penetrates through the stepped hole 211 and extends to the outer side of the fixing column 21, a placing hole 221 is formed in one end of the sliding column 22, the ball 23 is movably arranged in the placing hole 221, and an elastic piece 24 is arranged between one end of the sliding column 22, which is far away from the ball 23, and the stepped hole 211.

When the special work is carried out, the user holds the fixing part 12 to connect the nut body 1 with the part to be connected, the connecting hole 14 is screwed on the screw thread of the part, meanwhile, the ball 23 of the locking part 2 is screwed downwards along the thread gap of the part until the nut body 1 is locked with the part, the ball 23 of the locking part 2 is tightly propped on the optical axis of the part under the action of the elastic part 24 and is contacted with the bottom of the groove of the optical axis, the risk that the screw thread of the nut body 1 is directly separated from the part after the connecting hole 14 and the screw thread of the part are used for a long time is effectively prevented, the anti-falling effect is good, then the pipeline to be connected is sleeved on the mounting part 11, the pipeline is clamped in the clamping groove 13 of the mounting part 11 through a buckle, and the installation is firm.

Furthermore, the connecting hole 14 is a threaded hole, and the cross section of the end of the mounting part 11 is frustum-shaped, so that the pipe can be conveniently sleeved.

Furthermore, the mounting holes 16 are three, the mounting holes 16 are evenly distributed on the outer circumferential surface of the fixing portion 12, the locking portion 2 is convenient to clamp the nut body 1 on a part, and clamping is firm and reliable.

Further, the clamping groove 13 is an arc-shaped groove, so that the pipeline can be conveniently clamped on the mounting portion 11 by the buckle.

Furthermore, the elastic element 24 is a spring, which facilitates the resetting of the sliding column 22 and the pressing of the ball 23 on the component.

Further, the mounting groove 222 has been seted up to the one end that the ball 23 was kept away from to slip post 22, two jacks 223 have been seted up to slip post 22 tip, be provided with handle 25 in the mounting groove 222, the grafting is in two jacks 223 at handle 25 both ends, handle 25 shape is the arc, conveniently breaks away from the part with locking portion 2, and then conveniently dismantles nut body 1.

The working principle is as follows: when the utility model is used, a user holds the fixing part 12 to connect the nut body 1 with a part to be connected, the nut body 1 is screwed on the screw thread of the part through the connecting hole 14, meanwhile, the ball 23 of the locking part 2 is screwed downwards along the screw thread gap of the part until the nut body 1 is locked with the part, when the ball 23 is inconvenient to roll, the ball 23 can be separated from the part by pulling the sliding column 22 through the handle 25, the locking is convenient, the handle 25 is loosened after the locking, the ball 23 tightly presses the part under the action of the elastic part 24, at the moment, the ball 23 of the locking part 2 is tightly propped on the optical axis of the part and is contacted with the bottom of the groove of the optical axis, when the screw thread of the connecting hole 14 and the screw thread of the part use abrasion slide wires for a long time, the locking part 2 can tightly clamp the nut body 1 on the part, the nut body 1 can not be separated from the part, the anti-falling effect is good, then a pipeline to be connected is sleeved on the mounting part 11, the pipeline is clamped in the clamping groove 13 of the mounting part 11 by a buckle, so that the installation is firm.

Claims

1. The utility model provides an anticreep nut, includes nut body (1) and locking portion (2), its characterized in that: the nut is characterized in that an installation part (11) is arranged at the upper end of the nut body (1), a fixing part (12) is arranged at the lower end of the nut body (1), a clamping groove (13) is formed in the outer circumferential surface of the installation part (11), a connecting hole (14) is formed in the middle of the installation part (11), a plurality of mounting holes (16) are formed in the outer circumferential surface of the fixing part (12), a plurality of locking parts (2) are arranged and a plurality of locking parts (2) are respectively arranged in the mounting holes (16), each locking part (2) comprises a fixing column (21), a sliding column (22) and a ball (23), the fixing column (21) is fixedly arranged in the mounting hole (16), a stepped hole (211) is formed in the fixing column (21), the sliding column (22) is slidably arranged in the stepped hole (211), and one end of the sliding column (22) penetrates through the stepped hole (211) and extends to the outer side of the fixing column (21), the other end of the sliding column (22) penetrates through the stepped hole (211) and extends to the outer side of the fixing column (21), a placing hole (221) is formed in one end of the sliding column (22), the ball (23) is movably arranged in the placing hole (221), and an elastic piece (24) is arranged between one end, far away from the ball (23), of the sliding column (22) and the stepped hole (211).

2. The anti-drop nut of claim 1, wherein: the connecting hole (14) is a threaded hole, and the section of the end part of the mounting part (11) is frustum-shaped.

3. The anti-drop nut of claim 1, wherein: the number of the mounting holes (16) is three, and the three mounting holes (16) are uniformly distributed on the outer circumferential surface of the fixing part (12).

4. The anti-drop nut of claim 1, wherein: the clamping groove (13) is an arc-shaped groove.

5. The anti-drop nut of claim 1, wherein: the elastic piece (24) is a spring.

6. The anti-drop nut of claim 1, wherein: the sliding column is characterized in that one end, far away from the ball (23), of the sliding column (22) is provided with a mounting groove (222), the end portion of the sliding column (22) is provided with two insertion holes (223), a handle (25) is arranged in the mounting groove (222), two ends of the handle (25) are inserted into the two insertion holes (223), and the handle (25) is arc-shaped.