CN221003491U

CN221003491U - Knurled bolt anti-theft bolt capable of preventing rolling column from slipping

Info

Publication number: CN221003491U
Application number: CN202322612302.1U
Authority: CN
Inventors: 周松发
Original assignee: Quzhou Hongtong Fastener Co ltd
Current assignee: Quzhou Hongtong Fastener Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-24
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a knurled bolt anti-theft bolt capable of preventing rolling column slipping, which comprises a nut, wherein the outer wall of the nut is connected with an anti-theft cap in a sliding manner, a plurality of limit grooves distributed in a circle center array are formed in the side wall of the anti-theft cap, fixed blocks are movably penetrated in the limit grooves, mounting blocks are fixedly connected onto the fixed blocks, a spring is fixedly connected onto one side of each mounting block, a bolt is fixedly connected onto the bottom of the nut, a nut is connected onto the lower end of the bolt in a threaded manner, a plurality of sliding grooves distributed in a circle center array are formed in the outer wall of the nut, and the fixed blocks are clamped in the sliding grooves.

Description

Knurled bolt anti-theft bolt capable of preventing rolling column from slipping

Technical Field

The utility model relates to the technical field of anti-theft bolts, in particular to a knurled bolt anti-theft bolt capable of preventing rolling column slipping.

Background

The anti-theft bolts, the nuts and the tools used for the iron towers, the metal frameworks, the high-rise guardrails and the like which are arranged in the wild are all commonly used, and even if the anti-theft bolts are special for theft prevention, the anti-theft bolts are also used for popularization and application due to the reasons of high price, inadvisable secondary fastening, easy loosening and the like, so that the iron towers, the transformers, the guardrails and important facilities are easy to be disassembled by theft.

When the prior important equipment is installed, the prior equipment is generally easy to be stolen by some illegal personnel because the structure of the bolt is simpler and the security is lower, thereby influencing the anti-theft effect.

Disclosure of utility model

The utility model aims to provide a knurled bolt anti-theft bolt for preventing rolling column slipping, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a knurl bolt theftproof bolt that anti-rolling post skidded, includes the nut, the outer wall sliding connection of nut has the theftproof cap, a plurality of spacing grooves with centre of a circle array distribution have been seted up on the lateral wall of theftproof cap, all movable pass has the fixed block in the spacing groove, equal fixedly connected with installation piece on the fixed block, one side fixedly connected with spring of installation piece, the bottom fixedly connected with bolt of nut, the lower extreme threaded connection of bolt has the nut, a plurality of spouts with centre of a circle array distribution have all been seted up on the outer wall of nut, and the fixed block all blocks in the spout.

Preferably, rectangular clamping grooves are formed in one end surface of the fixing block.

Preferably, a cross groove is formed in the top of the nut.

Preferably, a plurality of round holes distributed in an array mode with the center of a circle are formed in one end in the sliding groove.

Preferably, knurling is fixedly connected to the outer surface of the upper end of the bolt.

Compared with the prior art, the utility model has the beneficial effects that: the anti-theft cap arranged at the upper end of the nut is pulled to the position of the round hole through the rectangular clamping groove by using the special tool, the fixed block slides to the position of the round hole in the sliding groove by the action of the spring, and the fixed block is loosened to be fixed in the round hole.

Drawings

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

FIG. 2 is a schematic view of a bolt structure according to the present utility model;

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

FIG. 4 is a schematic cross-sectional view of the anti-theft cap of the present utility model;

fig. 5 is a schematic sectional view of a fixing block according to the present utility model.

In the figure: 1. a screw cap; 2. an anti-theft cap; 3. a limit groove; 4. a fixed block; 5. a mounting block; 6. a spring; 7. a rectangular clamping groove; 8. a chute; 9. a round hole; 10. a cross groove; 11. a bolt; 12. knurling; 13. and (3) a nut.

Description of the embodiments

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. 1-5, the present utility model provides a technical solution: the utility model provides a knurl bolt theftproof bolt that anti-rolling post skidded, including nut 1, the outer wall sliding connection of nut 1 has burglary-resisting cap 2, a plurality of spacing grooves 3 with centre of a circle array distribution have been seted up on the lateral wall of burglary-resisting cap 2, all movable in the spacing groove 3 has passed fixed block 4, equal fixedly connected with installation piece 5 on the fixed block 4, one side fixedly connected with spring 6 of installation piece 5, the bottom fixedly connected with bolt 11 of nut 1, the lower extreme threaded connection of bolt 11 has nut 13, a plurality of spouts 8 with centre of a circle array distribution have all been seted up on the outer wall of nut 1, and fixed block 4 all block in spout 8.

Further, rectangular clamping grooves 7 are formed in one end surface of the fixing block 4, and the fixing block 4 is not easy to pull out due to the arrangement of the rectangular clamping grooves 7.

Further, the top of the nut 1 is provided with a cross groove 10, and the cross groove 10 is convenient to detach by using a screwdriver.

Further, a plurality of round holes 9 distributed in a circle center array are formed in one end in the sliding groove 8, and the anti-theft cap 2 is fixed through the round holes 9 by the fixing blocks 4.

Further, knurling 12 is fixedly connected to the outer surface of the upper end of the bolt 11, and the knurling 12 increases the effect of preventing slipping of textures.

Specifically, when the utility model is used, firstly, the screw driver is used for screwing through the cross groove 10, then the nut 13 is used for fixing the bolt 11, the special tool is used for pulling the fixed block 4 through the rectangular clamping groove 7, the fixed block 4 enables one end of the fixed block 4 to move to the position of the round hole 9 in the chute 8 through the compression action of the spring 6, and then the fixed block 4 is loosened and fixed in the round hole 9 through the limit of the installation block 5.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation 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 devices 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.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims

1. The utility model provides a knurl bolt theftproof bolt that anti-rolling post skidded, includes nut (1), its characterized in that, the outer wall sliding connection of nut (1) has theftproof cap (2), set up a plurality of spacing groove (3) with centre of a circle array distribution on the lateral wall of theftproof cap (2), all move about in spacing groove (3) and pass have fixed block (4), all fixedly connected with installation piece (5) on fixed block (4), one side fixedly connected with spring (6) of installation piece (5), the bottom fixedly connected with bolt (11) of nut (1), the lower extreme threaded connection of bolt (11) has nut (13), a plurality of spouts (8) with centre of a circle array distribution have all been seted up on the outer wall of nut (1), and fixed block (4) all block in spout (8).

2. The knurled pin anti-theft bolt for preventing roller slippage of claim 1, wherein: rectangular clamping grooves (7) are formed in one end surface of the fixing block (4).

3. The knurled pin anti-theft bolt for preventing roller slippage of claim 1, wherein: the top of the nut (1) is provided with a cross groove (10).

4. The knurled pin anti-theft bolt for preventing roller slippage of claim 1, wherein: a plurality of round holes (9) distributed in an array mode with the center of a circle are formed in one end in the sliding groove (8).

5. The knurled pin anti-theft bolt for preventing roller slippage of claim 1, wherein: the outer surface of the upper end of the bolt (11) is fixedly connected with knurling (12).