CN219492840U

CN219492840U - Self-locking loose screw

Info

Publication number: CN219492840U
Application number: CN202320572345.9U
Authority: CN
Inventors: 吴三祥; 谢镇新; 覃业锐; 龙志远; 杜秋; 叶勇
Original assignee: Hangzhou Ruihang Industrial Co ltd
Current assignee: Hangzhou Ruihang Industrial Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-08
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a self-locking loosening-preventing screw which comprises a screw cover, wherein a second connecting block is fixedly connected to the bottom of the screw cover, a first threaded rod is fixedly connected to one end, away from the screw cover, of the second connecting block, and a positioning mechanism for preventing the screw cover and the first connecting block from loosening and shaking is fixedly arranged at the bottom of the screw cover and outside the second connecting block. According to the utility model, the first threaded rod can be mutually screwed and fixed with the riveting sleeve matched with the first threaded rod, then the first threaded rod can be in a loose state due to the intervention of external threads of the first threaded rod, and the positioning mechanism can be driven to move downwards after the first threaded rod and the riveting sleeve are fixed, so that the positioning mechanism can be mutually contacted with the mounting panel and the like, and the shaking offset of screw covers and the like caused by the fact that the length of the second connecting block is larger than the thickness of the mounting panel can be prevented.

Description

Self-locking loose screw

Technical Field

The utility model relates to the technical field of screws, in particular to a self-locking loose-proof screw.

Background

The loosening-preventing screw is understood in the literal sense to be a screw which is loosened and cannot be separated. Also known as loosening-proof, spring-proof, and non-loosening. Is pressed or expanded on the mounting plate and is used in various fields such as power supply technology, switches, machine case cabinets and the like.

The loose screw is formed by a threaded rod and a riveting sleeve in the installation process, the panels and the switches at different use positions are different in width, the screw cover, the first connecting block, the screwing block and the second connecting block can be larger in gap position when the screw cover and the first connecting block are fixed by the threaded rod and the riveting sleeve, so that the loose screw can be tightly fastened, and therefore, the self-locking loose screw is provided.

Disclosure of Invention

The utility model aims to provide a self-locking loosening-proof screw so as to solve 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 from locking loose not taking off screw, includes the screw cap, the top fixedly connected with first connecting block of screw cap, the one end fixedly connected with of screw cap is kept away from to first connecting block revolves the screw block, the bottom fixedly connected with second connecting block of screw cap, the one end fixedly connected with first threaded rod of screw cap is kept away from to the second connecting block, the bottom of screw cap just is located the outside fixed mounting of second connecting block has the positioning mechanism that prevents screw cap and first connecting block and rock.

Further, positioning mechanism includes thread groove, second threaded rod, spacer and turning block, dodge the groove that dodges the second connecting block has been seted up to the surface of spacer, the spacer cup joints in the surface of second connecting block, the top fixed mounting of spacer has the turning block, the thread groove that runs through and twist piece, first connecting block and screw cap is seted up on the surface of screwing up the piece, the inside of thread groove is provided with the second threaded rod rather than the looks adaptation, the bottom rotation of second threaded rod is installed in the inside of turning block.

Further, the positioning mechanism further comprises a limiting rod and a limiting hole, wherein the surface of the screwing block is provided with a limiting hole penetrating through the screwing block, the first connecting block and the screw cap, the inside of the limiting hole is slidably connected with the limiting rod, and the bottom of the limiting rod is fixedly arranged at the top of the positioning plate.

Further, the bottom of screw cap and be located the surface fixedly connected with spring of second connecting block, the external diameter of spring is less than the dodge groove internal diameter that the spacer inner wall was seted up.

Further, a plurality of groups of screwing grooves are formed in the outer wall of the screwing block.

Further, the top of the screwing block and the top of the second threaded rod are both provided with fastening grooves, and the fastening grooves are arranged in a straight line.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the first threaded rod can be mutually screwed and fixed with the riveting sleeve matched with the first threaded rod, then the first threaded rod can be in a loose state due to the intervention of external threads of the first threaded rod, and the positioning mechanism can be driven to move downwards after the first threaded rod and the riveting sleeve are fixed, so that the positioning mechanism can be mutually contacted with the mounting panel and the like, and the shaking offset of screw covers and the like caused by the fact that the length of the second connecting block is larger than the thickness of the mounting panel can be prevented.

Drawings

FIG. 1 is a schematic diagram of a first perspective view of the present utility model;

FIG. 2 is a schematic diagram of a second perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of the present utility model.

In the figure: the device comprises a screw cap 1, a first connecting block 2, a screwing block 3, a second connecting block 4, a first threaded rod 5, a positioning mechanism 6, a spring 7, a fastening groove 8, a screwing groove 9, a threaded groove 10, a second threaded rod 11, a positioning piece 12, a rotating block 13, a limiting rod 14 and a limiting hole 15.

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.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a from locking loose not taking off screw, includes screw cap 1, the top fixedly connected with first connecting block 2 of screw cap 1, the one end fixedly connected with of screw cap 1 is kept away from to first connecting block 2 is revolved and is twisted piece 3, the bottom fixedly connected with second connecting block 4 of screw cap 1, the one end fixedly connected with first threaded rod 5 of screw cap 1 is kept away from to second connecting block 4, the bottom of screw cap 1 just is located the outside fixed mounting of second connecting block 4 has the positioning mechanism 6 that prevents screw cap 1 and first connecting block 2 and loosen and rock.

The first threaded rod 5 can be screwed and fixed with the riveting sleeve matched with the first threaded rod, then the first threaded rod 5 is interfered by external threads, so that a loose and non-release state can be achieved, and when the first threaded rod 5 and the riveting sleeve are fixed, the positioning mechanism 6 is driven to move down, so that the positioning mechanism 6 can be contacted with the mounting panel and the like, and the shaking and shifting of the screw cap 1 and the like caused by the fact that the length of the second connecting block 4 is larger than the thickness of the mounting panel can be prevented.

Referring to fig. 1, 2 and 3, the positioning mechanism 6 includes a thread groove 10, a second threaded rod 11, a positioning plate 12 and a rotating block 13, an avoidance groove for avoiding the second connecting block 4 is formed in the surface of the positioning plate 12, the positioning plate 12 is sleeved on the outer surface of the second connecting block 4, the rotating block 13 is fixedly mounted at the top of the positioning plate 12, the thread groove 10 penetrating through the screwing block 3, the first connecting block 2 and the screw cap 1 is formed in the surface of the screwing block 3, a second threaded rod 11 matched with the thread groove 10 is arranged in the thread groove 10, and the bottom of the second threaded rod 11 is rotatably mounted in the rotating block 13.

After the first threaded rod 5 and the rivet sleeve are fastened to each other, the second threaded rod 11 is rotated to move along the inside of the thread groove 10, and then the second threaded rod 11 is moved down, so that the positioning sheet 12 can be driven by the rotating block 13 to move down, and the positioning sheet 12 can be positioned in contact with the mounting panel and the like.

Referring to fig. 1, 2 and 3, the positioning mechanism 6 further includes a stop lever 14 and a stop hole 15, the surface of the screwing block 3 is provided with the stop hole 15 penetrating the screwing block 3, the first connecting block 2 and the screw cap 1, the inside of the stop hole 15 is slidably connected with the stop lever 14, and the bottom of the stop lever 14 is fixedly mounted at the top of the positioning plate 12.

When the second threaded rod 11 drives the positioning plate 12 to move downwards, the limiting rod 14 can be utilized to move along the inside of the limiting hole 15, so that the positioning plate 12 can be prevented from being deviated when the positioning plate 12 moves.

Referring to fig. 1, a spring 7 is fixedly connected to the bottom of the screw cap 1 and located on the outer surface of the second connecting block 4, and the outer diameter of the spring 7 is smaller than the inner diameter of the avoiding groove formed in the inner wall of the positioning plate 12.

The spring 7 can be used for supporting the screw cap 1 when the second connecting block 4 is oversized compared with the mounting plate and the like.

Referring to fig. 1, a plurality of groups of screwing grooves 9 are formed in the outer wall of the screwing block 3, fastening grooves 8 are formed in the top of the screwing block 3 and the top of the second threaded rod 11, the fastening grooves 8 are shaped like a Chinese character 'yi', wherein the friction force of the screwing block 3 can be increased due to the arrangement of the screwing grooves 9, the first threaded rod 5 can be meshed with an external riveting sleeve rapidly, and the arranged linear fastening grooves 8 can be used for reinforcing and screwing the screwing block 3 and the second threaded rod 11 by using an external screwdriver.

When the riveting device is used, firstly, the first threaded rod 5 can be mutually screwed and fixed with a riveting sleeve matched with the first threaded rod, then the first threaded rod 5 can be in a loose state due to the intervention of external threads, the positioning mechanism 6 can be driven to move downwards after the first threaded rod 5 and the riveting sleeve are fixed, the positioning mechanism 6 can be mutually contacted with a mounting panel and the like, so that the shaking deflection of the screw cap 1 and the like caused by the fact that the length of the second connecting block 4 is larger than the thickness dimension of the mounting panel can be prevented, after the first threaded rod 5 and the riveting sleeve are mutually fastened, the second threaded rod 11 can be rotated to move along the inner part of the thread groove 10, then the second threaded rod 11 can be moved downwards, so that the positioning piece 12 can be driven to move downwards by the rotating block 13, the positioning piece 12 can be positioned in contact with the mounting panel and the like, the positioning piece 12 can be driven to move downwards by the second threaded rod 11 along the inner part of the limiting hole 15, and the deflection of the positioning piece 12 can be prevented when the positioning piece 12 is moved downwards.

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 from locking pine does not take off screw, includes screw cap (1), its characterized in that: the screw cap is characterized in that the top of the screw cap (1) is fixedly connected with a first connecting block (2), one end of the first connecting block (2) away from the screw cap (1) is fixedly connected with a screwing block (3), the bottom of the screw cap (1) is fixedly connected with a second connecting block (4), one end of the second connecting block (4) away from the screw cap (1) is fixedly connected with a first threaded rod (5), and the bottom of the screw cap (1) and the outer part of the second connecting block (4) are fixedly provided with a positioning mechanism (6) for preventing the screw cap (1) and the first connecting block (2) from loosening and shaking.

2. A self-locking non-unthreading screw according to claim 1, wherein: positioning mechanism (6) are including thread groove (10), second threaded rod (11), spacer (12) and rotating block (13), dodge the groove to dodge second connecting block (4) is seted up on the surface of spacer (12), spacer (12) cup joint in the surface of second connecting block (4), the top fixed mounting of spacer (12) has rotating block (13), screw thread groove (10) that twists piece (3), first connecting block (2) and screw cap (1) are run through in the surface of twisting piece (3), the inside of thread groove (10) is provided with second threaded rod (11) rather than looks adaptation, the inside in rotating block (13) is installed in the bottom rotation of second threaded rod (11).

3. A self-locking non-unthreading screw according to claim 2, wherein: the positioning mechanism (6) further comprises a limiting rod (14) and a limiting hole (15), wherein the surface of the screwing block (3) is provided with the limiting hole (15) penetrating through the screwing block (3), the first connecting block (2) and the screw cap (1), the limiting rod (14) is connected to the inside of the limiting hole (15) in a sliding mode, and the bottom of the limiting rod (14) is fixedly arranged at the top of the positioning sheet (12).

4. A self-locking non-unthreading screw according to claim 3, wherein: the bottom of screw cap (1) and be located the surface fixedly connected with spring (7) of second connecting block (4), the external diameter of spring (7) is less than dodging the groove internal diameter that spacer (12) inner wall was seted up.

5. A self-locking non-unthreading screw according to claim 3, wherein: the outer wall of the screwing block (3) is provided with a plurality of groups of screwing grooves (9).

6. A self-locking non-unthreading screw according to claim 1, wherein: the top of the screwing block (3) and the top of the second threaded rod (11) are both provided with fastening grooves (8), and the fastening grooves (8) are arranged in a straight line.