CN218953758U

CN218953758U - Anti-disassembly screw and special assembly and disassembly tool for same

Info

Publication number: CN218953758U
Application number: CN202223569947.3U
Authority: CN
Inventors: 洪井才
Original assignee: Tianjin Shankou Automotive Fasteners Manufacturing Co ltd
Current assignee: Tianjin Shankou Automotive Fasteners Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an anti-disassembly screw and a special disassembly tool for the anti-disassembly screw, so as to meet the use requirements of users. The anti-disassembly screw comprises a screw cap, a gasket and a screw rod which are connected in sequence, wherein a unidirectional cross groove is formed in the middle of the upper end of the screw cap, and a plurality of clamping grooves are uniformly formed in the edge of the screw cap at intervals. Through setting up one-way cross groove, use ordinary instrument can screw in clockwise, however, can't reverse the screwing out, prevent that the product from dismantling, convenient to use person dismantles when necessary simultaneously, increases draw-in groove structure and dedicated instrument, can dismantle fast, excellent in use effect.

Description

Anti-disassembly screw and special assembly and disassembly tool for same

Technical Field

The utility model relates to the technical field of screw structures, in particular to an anti-disassembly screw and a special disassembly tool for the anti-disassembly screw.

Background

Screws are commonly used fasteners. The screw has various structures, the screw cap is provided with a standard cross groove, and the cross screwdriver or the straight screwdriver can be normally screwed into and out of the article, so that the use is more convenient. However, in some situations, after the screw is screwed into the article, in order to protect the article, the screw is not allowed to be unscrewed at will, and the existing screw product cannot meet the use requirement of a user, and needs to be improved in structure.

Disclosure of Invention

The utility model aims to provide an anti-disassembly screw and a special disassembly tool for the anti-disassembly screw, so as to meet the use requirements of users.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

first aspect

The utility model provides an anti-disassembly screw which comprises a screw cap, a gasket and a screw rod which are sequentially connected, wherein a unidirectional cross groove is formed in the middle of the upper end of the screw cap, and a plurality of clamping grooves are uniformly formed in the edge of the screw cap at intervals.

Wherein the number of the clamping grooves is 4.

Wherein, the clamping groove is an arc groove.

Second aspect

The utility model provides a special dismounting tool for an anti-dismounting screw, which is matched with the anti-dismounting screw for use and comprises a handle rod, a sleeve, a clamping block and a unidirectional cross block; the one-way cross block is arranged at the middle part inside the sleeve, the one-way cross block is matched with the one-way cross groove for use, a plurality of clamping blocks which are uniformly arranged at intervals are arranged on the side wall inside the sleeve, and the clamping blocks are matched with the clamping grooves for use.

Wherein the number of the clamping blocks is 4.

Wherein, the fixture block is the arc piece.

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

through setting up one-way cross groove, use ordinary instrument can screw in clockwise, however, can't reverse the screwing out, prevent that the product from dismantling, convenient to use person dismantles when necessary simultaneously, increases draw-in groove structure and dedicated instrument, can dismantle fast, excellent in use effect.

Drawings

FIG. 1 is a schematic top view of a screw provided herein;

FIG. 2 is a schematic view of a partially cut-away structure of a screw provided herein;

FIG. 3 is a first schematic view of a perspective structure of the disassembly tool provided in the present application;

FIG. 4 is a second schematic view of a perspective structure of the disassembly tool provided in the present application;

in the figure, a nut 1, a gasket 2, a clamping groove 3, a unidirectional cross groove 4, a handle rod 5, a sleeve 6, a clamping block 7 and a unidirectional cross block 8.

Detailed Description

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-4, an embodiment structure of the present utility model is shown.

As shown in fig. 1-2, this embodiment provides an anti-disassembly screw, including nut 1, gasket 2 and the screw rod that connects gradually, nut 1 upper end middle part is provided with one-way cross groove 4, the interval evenly is provided with a plurality of draw-in grooves 3 on the edge of nut 1.

It should be noted that, the specific structure of the unidirectional cross groove 4 adopts a structure in known technology, for example, each corner of the unidirectional cross groove 4 is provided with a straight edge and an arc edge.

The number of the clamping grooves 3 is 4, but may be 3 or other numbers.

The clamping groove 3 is an arc groove, or a square groove or a groove with other shapes.

As shown in fig. 3 to 4, the disassembly and assembly tool special for the disassembly and assembly screw provided by the embodiment is matched with the disassembly and assembly screw, and comprises a handle rod 5, a sleeve 6, a clamping block 7 and a unidirectional cross block 8; one end of the sleeve 6 is closed, one end of the sleeve is connected with the handle rod 5, a unidirectional cross block 8 is arranged at the middle part inside the sleeve 6, the unidirectional cross block 8 is matched with the unidirectional cross groove 4 for use, and is inserted into the unidirectional cross groove when in use, a plurality of clamping blocks 7 uniformly arranged at intervals are arranged on the side wall inside the sleeve 6, and the clamping blocks 7 are matched with the clamping grooves 3 for use, and are inserted into the clamping grooves when in use.

The number of the clamping blocks 7 is 4, and the number of the clamping blocks is identical to that of the clamping grooves.

Wherein, the clamping block 7 is an arc-shaped block, and the shape and the size of the clamping block are consistent with those of the clamping groove.

When the screw is used, the screw can be installed by using a common cross tool, but the common tool cannot be unscrewed and slips back when rotating reversely; when the screw-off is needed, a special tool is needed to be used for screwing-off, so that the use function requirement of a user can be met.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-disassembly screw, its characterized in that, including nut (1), gasket (2) and the screw rod that connects gradually, nut (1) upper end middle part is provided with one-way cross groove (4), the interval evenly is provided with a plurality of draw-in grooves (3) on the edge of nut (1).

2. The anti-disassembly screw according to claim 1, characterized in that the number of clamping grooves (3) is 4.

3. The anti-disassembly screw according to claim 1, characterized in that the clamping groove (3) is an arc-shaped groove.

4. A disassembly and assembly tool special for an anti-disassembly screw, which is characterized by being matched with the anti-disassembly screw of any one of claims 1-3, and comprising a handle rod (5), a sleeve (6), a clamping block (7) and a unidirectional cross block (8); one end of the sleeve (6) is closed, one end of the sleeve is connected with the handle rod (5), a unidirectional cross block (8) is arranged at the middle part inside the sleeve (6), the unidirectional cross block (8) is matched with the unidirectional cross groove (4), a plurality of clamping blocks (7) which are uniformly arranged at intervals are arranged on the side wall inside the sleeve (6), and the clamping blocks (7) are matched with the clamping grooves (3).

5. The disassembly and assembly tool special for the disassembly prevention screw according to claim 4, wherein the number of the clamping blocks (7) is 4.

6. The disassembly and assembly tool special for the disassembly prevention screw according to claim 4, wherein the clamping block (7) is an arc-shaped block.