CN220523023U

CN220523023U - Antitheft nut with wedge block

Info

Publication number: CN220523023U
Application number: CN202320976836.XU
Authority: CN
Inventors: 巫志雄
Original assignee: Zhejiang Huabo Power Technology Co ltd
Current assignee: Zhejiang Huabo Power Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2024-02-23
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses an anti-theft nut with a wedge block, which comprises a nut, wherein one side of the nut is provided with a wedge groove penetrating through one side of the nut, and the wedge block is arranged in the wedge groove; and the nut is provided with a limiting assembly for limiting the wedge block. According to the utility model, the wedge-shaped block can be limited by the limiting component, so that the wedge-shaped block can not move outwards to loosen in the long-term vibration process of a part connected with the nut, and the wedge-shaped block is kept in a state of tightly propping the bolt, thereby preventing looseness and theft.

Description

Antitheft nut with wedge block

Technical Field

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

Background

Nuts are parts of nuts which are screwed with bolts or screws to play a role in fastening, and all components which are necessary for manufacturing machines are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials.

Through retrieving, the patent with the publication number of CN206918024U discloses a locking anti-theft nut with a wedge-shaped block sleeve piece on the side surface of the nut, the nut is sleeved outside the bolt, a groove is formed in the side surface of the nut, the left end and the right end of the groove penetrate through one side of the nut, a wedge block is embedded in the groove, after the wedge block is installed, a part connected with the nut is vibrated for a long time, the wedge block can fall off, and the purposes of locking and anti-theft cannot be achieved after the wedge block falls off. The utility model provides an anti-theft nut with a wedge block.

Disclosure of Invention

The utility model aims to provide an anti-theft nut with a wedge block, which solves the problems that after the wedge block is installed, the wedge block can fall off after long-term vibration of a part connected with the nut in the prior art, and the anti-falling and anti-theft purposes cannot be achieved after the wedge block falls off.

In order to achieve the above purpose, the utility model provides an anti-theft nut with a wedge block, which comprises a nut, wherein one side of the nut is provided with a wedge groove penetrating through one side of the nut, and the wedge block is arranged in the wedge groove; wherein, the nut is provided with a through hole, and the tail end of the through hole is provided with a hidden groove communicated with the wedge-shaped groove; a limiting assembly for limiting the wedge block is arranged in the mounting hole and the hidden groove; the bottom of the wedge-shaped block is provided with a limit groove; the limiting component comprises a bolt arranged at the port of the through hole, a spring with one end contacted with the bolt, and a limiting block arranged in the hidden groove, fixedly connected with the other end of the spring and corresponding to the limiting groove; and the wedge-shaped block is provided with a dismounting structure.

Optionally, the dismounting structure comprises a movable rod movably mounted on the wedge block, a rotary rod mounted on one end of the movable rod and positioned in the limit groove, a clamping block arranged on the other end of the movable rod and a dismounting rod detachably mounted on the wedge block; guide surfaces are symmetrically arranged on the limiting blocks.

Optionally, the wedge block is provided with a mounting hole communicated with the limit groove; the movable rod and the dismounting rod are movably arranged in the mounting hole; the center line of the movable rod is positioned on the symmetry plane of the limiting block.

Optionally, a clamping groove matched with the clamping block is formed in one end of the disassembly rod, and a magnet is arranged in the clamping groove; the clamping block is made of magnetic conductive materials; the disassembly rod is made of non-magnetic conductive materials; the other end of the disassembly rod is provided with a handle vertical to the disassembly rod.

Optionally, the diameter of the detachable rod is equal to the diameter of the movable rod.

Compared with the prior art, the utility model provides the antitheft nut with the wedge block, which has the following beneficial effects:

this take anti-theft nut of wedge, through spacing subassembly's setting, can carry out spacingly to the wedge, make the part that the nut connects at the long-term vibrations in-process, the wedge also can not outwards remove and produce not hard up, makes the wedge keep the state to the bolt top tightly to locking, theftproof are carried out.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the nut of the present utility model;

FIG. 4 is a schematic view of the structure of the wedge block of the present utility model;

FIG. 5 is a schematic view of a stopper according to the present utility model;

FIG. 6 is a schematic view of the structure of the movable bar of the present utility model;

FIG. 7 is a schematic view of the construction of the release lever of the present utility model;

fig. 8 is a cross-sectional view of a release lever of the present utility model.

The marks in the figure are as follows: 1. a nut; 11. a through hole; 12. hiding the groove; 2. wedge-shaped grooves; 3. wedge blocks; 31. a limit groove; 32. a mounting hole; 4. a limit component; 41. a plug pin; 42. a spring; 43. a limiting block; 431. a guide surface; 5. disassembling the structure; 51. a movable rod; 52. a rotating rod; 53. a clamping block; 54. disassembling the rod; 541. a clamping groove; 542. a handle; 543. and (3) a magnet.

Detailed Description

The following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly generalized by those skilled in the art without departing from the spirit of the utility model and, therefore, the present utility model is not limited to the specific embodiments disclosed below.

The anti-theft nut with the wedge block can be suitable for various occasions needing nut anti-theft and the like, and can be used for other similar application scenes, and the anti-theft nut with the wedge block is described in detail below.

Referring to fig. 1-8, there is shown a schematic structural view of a preferred embodiment of a antitheft nut with wedge block of the present utility model. The anti-theft nut with the wedge block comprises a nut 1, wherein a wedge-shaped groove 2 penetrating through one side of the nut 1 is formed in one side of the nut 1, and the wedge block 3 is arranged in the wedge-shaped groove 2; wherein, a limiting component 4 for limiting the wedge block 3 is arranged on the nut 1; compared with the prior art that the wedge-shaped block 3 is directly inserted into the wedge-shaped groove 2, so that the wedge-shaped block 3 tightly pushes the bolt to prevent theft, the limiting component 4 is additionally arranged to limit the position of the wedge-shaped block 3, and the wedge-shaped block 3 is prevented from moving along the wedge-shaped groove 2 due to vibration of components, so that the wedge-shaped block 3 is prevented from sliding out of the wedge-shaped groove 2, the wedge-shaped block 3 is ensured to push the bolt to interfere with the movement track of the external thread of the bolt, and theft prevention is performed.

Referring to fig. 2-4, in the present utility model, a through hole 11 is formed in the nut 1, and a hidden groove 12 communicating with the wedge-shaped groove 2 is formed at the end of the through hole 11; the limiting component 4 is arranged in the through hole 11 and the hidden groove 12; the bottom of the wedge-shaped block 3 is provided with a limit groove 31; according to the utility model, through the arrangement of the through holes 11, the mounting position of the limit component 4 is provided, and the through holes 11 are communicated with the wedge-shaped groove 2, so that the limit component 4 can enter the wedge-shaped groove 2 to limit the wedge-shaped block 3; through the setting of spacing groove 31 for spacing subassembly 4 can insert in the spacing groove 31, carries out spacingly to wedge 3, makes wedge 3 can not produce the slackness because of the long-term vibrations of part, and roll-off from wedge groove 2, wedge 3 keeps the top to the bolt tightly, prevents burglary.

Referring to fig. 2-3, in the present utility model, the limiting component 4 includes a latch 41 installed at a port of the through hole 11, a spring 42 with one end contacting the latch 41, and a limiting block 43 installed in the hidden slot 12 and fixedly connected to the other end of the spring 42 and corresponding to the limiting slot 31; the detaching structure 5 is arranged on the wedge-shaped block 3; according to the utility model, through the arrangement of the bolt 41, an installation position is provided for the spring 42, the spring 42 is limited, the spring 42 is prevented from falling out of the through hole 11, the installation position of the spring 42 is adjusted, and the position of the limiting block 43 is adjusted; through the setting of spring 42 for stopper 43 can stretch out and draw back along hiding groove 12, when stopper 43 outstanding in hiding groove 12, cooperation spacing groove 31 can carry out spacingly to wedge 3, when stopper 43 gets into hiding groove 12, cancel the spacing to spacing groove 31, make wedge 3 can take out, wherein, bolt 41 is the internal thread cylindric lock, can dismantle.

When the limiting component 4 is installed, firstly, the spring 42 is fixedly installed at the bottom of the limiting block 43, then the limiting block 43 is installed in the hidden groove 12, the spring 42 is located in the through hole 11, then the nut 1 rotates, after the installation of the wedge block 3 is completed, the wedge block 3 is inserted into the through hole 11 through the bolt 41, the spring 42 is extruded, the spring 42 is deformed to generate elastic force, the limiting block 43 is pushed to move towards the limiting block 43, and the wedge block 3 is inserted into the limiting groove 31 to be limited.

Referring to fig. 2 and fig. 5-8, in the present utility model, the dismounting structure 5 includes a movable rod 51 movably mounted on the wedge block 3, a rotating rod 52 mounted on one end of the movable rod 51 and located in the limiting groove 31, a clamping block 53 disposed on the other end of the movable rod 51, and a dismounting rod 54 detachably mounted on the wedge block 3; guide surfaces 431 are symmetrically arranged on the limiting block 43; according to the utility model, through the arrangement of the movable rod 51, the rotary rod 52 can be driven to rotate, so that the rotary rod 52 can apply pressure to the limiting block 43, and the spring 42 is compressed; by arranging the clamping blocks 53, the clamping blocks 53 are arranged into isosceles trapezoids or other shapes, so that a specific tool is not adopted, the clamping blocks 53 cannot be matched, and the movable rod 51 cannot be rotated; by the arrangement of the dismounting lever 54, the worker can twist the movable lever 51 to rotate.

Referring to fig. 2 and fig. 4-8, in the present utility model, the wedge-shaped block 3 is provided with a mounting hole 32 which is communicated with the limit groove 31; the movable rod 51 and the dismounting rod 54 are movably arranged in the mounting hole 32; the center line of the movable rod 51 is positioned on the symmetrical plane of the limiting block 43; the utility model provides mounting positions for the movable rod 51 and the dismounting rod 54 through the arrangement of the mounting holes 32; by arranging the center line of the movable rod 51 on the symmetrical surface of the limiting block 43, when the movable rod 51 drives the rotating rod 52 to rotate, the rotating rod 52 is matched with the symmetrical guide surface 431 of the upper limiting block 43, and the extrusion degree of the rotating rod 52 to the limiting block 43 is maximum; the length of the movable rod 51 is greater than the groove width of the limit groove 31, so that the movable rod 51 is prevented from falling from the limit groove 31.

Referring to fig. 5-8, in the present utility model, a clamping groove 541 adapted to the clamping block 53 is formed at one end of the dismounting rod 54, and a magnet 543 is installed in the clamping groove 541; the clamping block 53 is made of magnetic conductive materials; the release lever 54 is made of a non-magnetically permeable material; a handle 542 perpendicular to the detaching lever 54 is provided on the other end of the detaching lever 54; the diameter of the disassembly rod 54 is equal to that of the movable rod 51; according to the utility model, through the arrangement of the clamping groove 541, the dismounting rod 54 is matched with the clamping block 53, after the clamping block 53 is matched with the clamping groove 541, the movable rod 51 can be driven to rotate through the matching of the clamping block 53 and the clamping groove 541, the rotary rod 52 is driven to rotate, and the pressure is applied to the limiting block 43, so that the limiting block enters the hidden groove 12; through the arrangement of the magnet 543, the clamping block 53 made of magnetic conductive materials is matched, so that the clamping block 53 can be inserted into the clamping groove 541 through the attraction of magnetic force, and the disassembly rod 54 can drive the movable rod 51 to rotate; by providing the handle 542, it is convenient for the operator to apply a force to the removal lever 54 to rotate the removal lever 54.

In the utility model, when the nut 1 needs to be disassembled, a worker inserts one end of the disassembly rod 54 provided with the clamping groove 541 into the mounting hole 32 to contact with the clamping block 53, then rotates the disassembly rod 54, after the clamping groove 541 on the disassembly rod 54 is aligned with the clamping block 53, the magnet 543 sucks the clamping block 53 into the clamping groove 541 to enable the clamping groove 541 to be matched with the clamping block 53, the worker can rotate the disassembly rod 54 through the handle 542, the disassembly rod 54 drives the clamping block 53 to rotate, the clamping block 53 drives the movable rod 51 to rotate, and the movable rod 51 drives the rotary rod 52 to rotate.

Referring to fig. 1-8, when the locking and locking are needed, firstly, the nut 1 with the limit component 4 and the disassembly structure 5 is matched and screwed with the bolt, so that the bolt 41 faces to the outer side, and then the wedge-shaped block 3 is inserted into the wedge-shaped groove 2 to tightly jack the bolt; then, the bolt 41 is inserted into the through hole 11, the spring 42 is extruded, the spring 42 is elastically deformed, elastic force is generated, the limiting block 43 is pushed into the limiting groove 31, and the wedge-shaped block 3 is limited;

when the disassembly is required, a worker inserts the disassembly rod 54 into the mounting hole 32, the disassembly rod 54 is provided with the clamping groove 541 and contacts with the clamping block 53, then the disassembly rod 54 is rotated, the clamping block 53 is matched with the clamping groove 541, after the matching, the disassembly rod 54 is rotated through the handle 542, the movable rod 51 is driven to rotate, the rotary rod 52 applies pressure to the limiting block 43, the limiting block 43 moves along the guide surface 431 of the limiting block 43 to the top of the limiting block 43, the spring 42 is compressed, the limiting block 43 is separated from the limiting groove 31, the wedge block 3 is pulled, the wedge block 3 is enabled to limit the limiting block 43 in a ground mode, spring reset is prevented, the rotary rod 52 is contacted with the hiding groove 12, interference is generated, then the reverse rotation is carried out, the rotary rod 52 can not interfere with the hiding groove 12 any more, the wedge block 3 can be smoothly taken out, and the nut 1 can be taken down.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. The anti-theft nut with the wedge block comprises a nut (1), wherein a wedge groove (2) penetrating through one side of the nut (1) is formed in one side of the nut (1), and the wedge block (3) is arranged in the wedge groove (2); the nut is characterized in that a through hole (11) is formed in the nut (1), and a hidden groove (12) communicated with the wedge-shaped groove (2) is formed in the tail end of the through hole (11); a limiting assembly (4) for limiting the wedge block (3) is arranged in the through hole (11) and the hidden groove (12); a limit groove (31) is formed in the bottom of the wedge-shaped block (3);

the limiting assembly (4) comprises a bolt (41), a spring (42) and a limiting block (43); a dismounting structure (5) is arranged on the wedge block (3);

the bolt (41) is arranged at the port of the through hole (11);

one end of the spring (42) is contacted with the bolt (41);

the limiting block (43) is arranged in the hiding groove (12), fixedly connected with the other end of the spring (42) and corresponding to the limiting groove (31).

2. The antitheft nut with wedge block according to claim 1, characterized in that the dismounting structure (5) comprises a movable rod (51), a rotary rod (52), a clamping block (53) and a dismounting rod (54); guide surfaces (431) are symmetrically arranged on the limiting blocks (43);

the movable rod (51) is movably arranged on the wedge block (3);

the rotary rod (52) is arranged on one end of the movable rod (51), and the rotary rod (52) is positioned in the limit groove (31);

the clamping block (53) is arranged at the other end of the movable rod (51);

the disassembly rod (54) is detachably arranged on the wedge-shaped block (3) and is detachably connected with one end of the movable rod (51) provided with the clamping block (53).

3. The antitheft nut with the wedge block according to claim 2, wherein the wedge block (3) is provided with a mounting hole (32) communicated with the limit groove (31); the movable rod (51) and the dismounting rod (54) are movably arranged in the mounting hole (32).

4. The antitheft nut with wedge block according to claim 2, characterized in that the centre line of the movable rod (51) is located on the symmetry plane of the stopper (43).

5. The antitheft nut with the wedge block according to claim 2, characterized in that a clamping groove (541) matched with the clamping block (53) is formed on one end of the disassembling rod (54); the other end of the disassembly rod (54) is provided with a handle (542) perpendicular to the disassembly rod (54).

6. The antitheft nut with wedge block according to claim 5, characterized in that a magnet (543) is mounted in the clamping groove (541); the clamping block (53) is made of magnetic conductive materials; the release lever (54) is made of a non-magnetically permeable material.

7. A antitheft nut with wedge block according to claim 3, characterized in that the diameter of the dismounting rod (54) is equal to the diameter of the movable rod (51).