CN220227462U

CN220227462U - Antitheft nut

Info

Publication number: CN220227462U
Application number: CN202321652027.XU
Authority: CN
Inventors: 包礼文
Original assignee: Suzhou Dazhou Precision Machinery Co ltd
Current assignee: Suzhou Dazhou Precision Machinery Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-12-22
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to the technical field of anti-theft nuts, and discloses an anti-theft nut which comprises a nut main body, an anti-theft shell positioned at the middle position inside the nut main body and a plurality of groups of fixing blocks positioned inside the anti-theft shell, wherein the nut main body comprises: the screw hole of setting in the inside intermediate position department of nut main part, and the bottom of nut main part is provided with multiunit locking piece, the inside of theftproof shell is provided with the empty slot. According to the anti-theft nut, the nut body is self-locked through the plurality of groups of locking blocks, the anti-theft shell is sleeved on the outer side of the nut body, meanwhile, the screw rod penetrates through the through hole, the anti-theft shell and the nut body are limited and fixed through the mutual clamping of the two groups of limiting blocks and the grooves at the two ends of the nut body, the fixing block and the protruding block are supported through the supporting rod, the fixing plate is supported more firmly, the anti-theft shell and the nut body are fixed, the nut body is prevented from rotating through the anti-theft shell, the anti-theft effect of the nut is better, and the safety is higher.

Description

Antitheft nut

Technical Field

The utility model relates to the technical field of anti-theft nuts, in particular to an anti-theft nut.

Background

The nut is a part which is screwed together with a bolt or a screw rod to play a role in fastening, and all components which are necessary for manufacturing machinery are divided into a plurality of types such as carbon steel, stainless steel, nonferrous metal and the like according to different materials, and the antitheft nut is the most novel product with excellent antitheft performance in twenty-first century and is mainly used for preventing looseness and burglary of a mechanical component connection fastening part.

The application number CN202222781251.0 discloses an anti-theft nut which comprises a nut body and is characterized by further comprising a locking piece, a locking piece and a locking piece, wherein the locking piece is arranged at the side end of the nut body and is used for locking the nut body after being screwed in; the side wall of the nut body is provided with an annular groove for the locking piece to be inserted after being screwed in, so that the anti-theft nut with a good self-locking function, a simple processing technology and simple installation is provided; the anti-theft nut is self-locked by screwing the locking piece into the embedded annular groove, and still can be twisted by the torque wrench due to the hexagonal structure of the nut, so that the anti-theft effect of the anti-theft nut is poor and the safety is low.

Disclosure of Invention

The present utility model is directed to an anti-theft nut, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antitheft nut, includes nut main part, is located the inside intermediate position department of nut main part theftproof shell and is located the inside multiunit fixed block of theftproof shell, the nut main part includes:

the screw hole of setting in the inside intermediate position department of nut main part, and the bottom of nut main part is provided with multiunit locking piece.

Preferably, the inside of theftproof shell is provided with the empty slot, the intermediate position department at theftproof shell top is provided with the through-hole that runs through to the inside of empty slot, the inner wall of empty slot is provided with multiunit lug.

Preferably, the top and the bottom of fixed block one end all are provided with the stopper, the top and the bottom in nut main part outside all are provided with the recess, the fixed block is kept away from the intermediate position department of stopper one end is provided with the bracing piece.

Preferably, the cross section of the nut main body is of a hexagonal structure, and the cross section of the locking block is of a right-angled triangle structure.

Preferably, the locking blocks are uniformly arranged at the bottom of the nut body, and the top ends of the locking blocks are welded with the bottom end of the nut body.

Preferably, the number of the protruding blocks is six, one ends of the six groups of protruding blocks are welded with the inner wall of the empty groove, and the anti-theft shell is of a cylindrical structure.

Preferably, the anti-theft shell is detachably connected with the nut main body through a hollow groove, and the through hole is of a circular structure.

Preferably, the number of the fixing blocks is six, and the top ends of the six groups of fixing blocks are welded with the top ends in the empty slots.

Preferably, one end of the limiting block is welded with one end of the fixed block, a limiting groove is formed between the two groups of limiting blocks, and the limiting block is detachably connected with the nut main body through a groove.

Preferably, one end of the supporting rod, which is far away from the fixed block, is connected with the bump in a welding way, and the fixed block is detachably connected with the nut main body through the limiting block and the groove.

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

according to the anti-theft nut, the nut body is self-locked through the plurality of groups of locking blocks, the anti-theft shell is sleeved on the outer side of the nut body, meanwhile, the screw rod penetrates through the through hole, the anti-theft shell and the nut body are limited and fixed through the mutual clamping of the two groups of limiting blocks and the grooves at the two ends of the nut body, the fixing block and the protruding block are supported through the supporting rod, the fixing plate is supported more firmly, the anti-theft shell and the nut body are fixed, the nut body is prevented from rotating through the anti-theft shell, the anti-theft effect of the nut is better, and the safety is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a nut body according to the present utility model.

Fig. 3 is a schematic structural view of the anti-theft case of the present utility model.

In the figure: 1. a nut body; 101. a threaded hole; 102. a locking block; 2. an anti-theft shell; 201. a hollow groove; 202. a through hole; 203. a bump; 3. a fixed block; 301. a limiting block; 302. a groove; 303. and (5) supporting the rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of an anti-theft nut is provided in the present utility model: the utility model provides an antitheft nut, includes nut main part 1, is located the inside theftproof shell 2 of the inside intermediate position department of nut main part 1 and is located the inside multiunit fixed block 3 of theftproof shell 2, and nut main part 1 includes: screw holes 101 are formed in the middle of the inside of the nut body 1, a plurality of groups of locking blocks 102 are arranged at the bottom of the nut body 1, and the nut body 1 is self-locked through the locking blocks 102.

Referring to fig. 1 and 2, an empty slot 201 is provided in the anti-theft shell 2, the anti-theft shell 2 can be mounted on the outer side of the nut body 1 through the empty slot 201, a through hole 202 penetrating into the empty slot 201 is provided in the middle of the top of the anti-theft shell 2, the anti-theft shell 2 and the screw can be mounted through the through hole 202, and a plurality of groups of protruding blocks 203 are provided on the inner wall of the empty slot 201.

Referring to fig. 1 and 3, the top and bottom of one end of the fixing block 3 are provided with a limiting block 301, the top and bottom of the outer side of the nut body 1 are provided with a groove 302, and the fixing block 3 and the nut body 1 can be fixed by matching the limiting block 301 and the groove 302, so that the anti-theft shell 2 is fixed on the outer side of the nut body 1, a supporting rod 303 is arranged at the middle position of one end of the fixing block 3 far away from the limiting block 301, and the fixing block 3 is supported by the shell of the supporting rod 303.

Referring to fig. 1 and 2, the cross section of the nut body 1 is in a hexagonal structure, the cross section of the locking block 102 is in a right triangle structure, the locking block 102 is uniformly arranged at the bottom of the nut body 1, the top end of the locking block 102 is welded with the bottom end of the nut body 1, the locking effect of the locking block 102 on the nut body 1 is better, the number of the protruding blocks 203 is six, one ends of the six protruding blocks 203 are welded with the inner wall of the empty groove 201, the anti-theft shell 2 is in a cylindrical structure, a non-rotating supporting point of the cylindrical structure is adopted, so that the anti-theft shell 2 cannot be rotated and removed by a tool, the anti-theft shell 2 is detachably connected with the nut body 1 through the empty groove 201, and the through hole 202 is in a circular structure, so that the anti-theft shell 2 and the nut body 1 are fixedly installed through the empty groove 201 shell.

Referring to fig. 1 and 3, the number of the fixing blocks 3 is six, the top ends of the six fixing blocks 3 are welded with the top ends inside the empty slots 201, one end of the limiting block 301 is welded with one end of the fixing block 3, limiting grooves are formed between the two sets of limiting blocks 301, the limiting block 301 is detachably connected with the nut main body 1 through the grooves 302, the fixing block 3 and the nut main body 1 can be clamped through the limiting grooves between the two sets of limiting blocks 301, one end, far away from the fixing block 3, of the supporting rod 303 is welded with the protruding block 203, the fixing block 3 is supported through the supporting rod 303, the using effect of the fixing block 3 is better, the fixing block 3 is detachably connected with the nut main body 1 through the limiting block 301 and the grooves 302, and the fixing block 3 and the nut main body 1 are fixed through the mutual matching of the limiting block 301 and the grooves 302.

Working principle: when the anti-theft nut is used, the nut body 1 is mounted on the screw rod through the threaded hole, the nut body 1 rotates clockwise until the nut body 1 abuts against the fastening plate, the nut body 1 is self-locked through the plurality of groups of locking blocks 102, the anti-theft shell 2 is sleeved on the outer side of the nut body 1, meanwhile, the screw rod penetrates through the through hole 202, the anti-theft shell 3 and the nut body 1 are limited and fixed through the mutual clamping of the two groups of limiting blocks 301 and the grooves 303 at the two ends of the nut body 1, the fixing blocks 3 and the protruding blocks 203 are supported through the supporting rods 303, the fixing plate 3 is supported more firmly, the anti-theft shell 2 and the nut body 1 are fixed, the nut body 1 is prevented from being twisted through the anti-theft shell 2, the anti-theft effect of the nut is better, and the safety is higher, and if the nut body 1 needs to be removed, the anti-theft shell 2 needs to be damaged.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An antitheft nut, characterized in that: including nut main part (1), be located the theftproof shell (2) of the inside intermediate position department of nut main part (1) and be located multiunit fixed block (3) of theftproof shell (2) inside, nut main part (1) include:

screw holes (101) are formed in the middle position inside the nut body (1), and a plurality of groups of locking blocks (102) are arranged at the bottom of the nut body (1).

2. A theft-proof nut as defined in claim 1, wherein: the anti-theft shell is characterized in that an empty groove (201) is formed in the anti-theft shell (2), a through hole (202) penetrating through the empty groove (201) is formed in the middle of the top of the anti-theft shell (2), and a plurality of groups of protruding blocks (203) are arranged on the inner wall of the empty groove (201).

3. A theft-proof nut as claimed in claim 2, wherein: the top and the bottom of fixed block (3) one end all are provided with stopper (301), the top and the bottom in nut main part (1) outside all are provided with recess (302), fixed block (3) are kept away from intermediate position department of stopper (301) one end is provided with bracing piece (303).

4. A theft-proof nut as defined in claim 1, wherein: the cross section of the nut main body (1) is of a hexagonal structure, and the cross section of the locking block (102) is of a right-angled triangle structure.

5. A theft-proof nut as defined in claim 1, wherein: the locking blocks (102) are uniformly arranged at the bottom of the nut main body (1), and the top ends of the locking blocks (102) are welded with the bottom end of the nut main body (1).

6. A theft-proof nut as claimed in claim 2, wherein: the number of the protruding blocks (203) is six, one ends of the six groups of protruding blocks (203) are welded with the inner wall of the empty groove (201), and the anti-theft shell (2) is of a cylindrical structure.

7. A theft-proof nut as claimed in claim 2, wherein: the anti-theft shell (2) is detachably connected with the nut main body (1) through the empty groove (201), and the through hole (202) is of a circular structure.

8. A theft-proof nut according to claim 3, characterized in that: the number of the fixing blocks (3) is six, and the top ends of the six groups of fixing blocks (3) are welded with the top ends in the empty slots (201).

9. A theft-proof nut according to claim 3, characterized in that: one end of each limiting block (301) is welded with one end of each fixed block (3), limiting grooves are formed between two groups of limiting blocks (301), and the limiting blocks (301) are detachably connected with the nut main body (1) through grooves (302).

10. A theft-proof nut according to claim 3, characterized in that: one end of the supporting rod (303) far away from the fixed block (3) is connected with the bump (203) in a welding mode, and the fixed block (3) is detachably connected with the nut main body (1) through the limiting block (301) and the groove (302).