CN215409725U

CN215409725U - Self-locking screw with anti-loosening mechanism

Info

Publication number: CN215409725U
Application number: CN202121462488.1U
Authority: CN
Inventors: 李彬
Original assignee: Tianjin Tianyu Tongtian Precision Fastener Co ltd
Current assignee: Tianjin Tianyu Tongtian Precision Fastener Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-04
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a self-locking screw with an anti-loosening mechanism, which comprises a threaded column fixedly connected to the bottom of an operation structure, wherein a fixing groove for locking is formed in one side of the threaded column, a fixing nail is clamped at the bottom of the threaded column, and an expansion wall for reinforcing fixation is fixedly connected to the top of the fixing nail. This self-locking screw with locking mechanism that moves, setting through screw post and staple joint, can make the device realize two kinds of forms of bolt and screw simultaneously, make the device select different user state according to the in service behavior, the adaptability of the device has been improved greatly, setting through fixed slot and locking structure, can be in the device bolt state, play fixed locking effect, through the setting of extension wall, can make the device's screw post and staple when being connected, enlarge the area of contact with the drilling inner wall, through outwards producing power from the extension wall, increase the resistance, realize the locking of screw state and move.

Description

Self-locking screw with anti-loosening mechanism

Technical Field

The utility model relates to the technical field of screws, in particular to a self-locking screw with an anti-loosening mechanism.

Background

At present, in the connection of the existing stud and nut, the stud and the nut are often loosened due to vibration and the like, so that the product is damaged, the service time of the product is shortened, and serious production or life accidents can be even caused, and bad results are generated.

Chinese patent publication No. CN207297596U provides a double-angle self-locking screw, which includes a nut, a rotation groove, a screw, an external thread, a fixed piece and a fastening angle, wherein the rotation groove is formed at the top of the nut, the screw is injection-molded at the bottom end of the nut, the fixed piece is connected with the external thread through a threaded hole, and the external thread is arranged at the periphery of the screw, the utility model has the advantages that: through the setting of tight angle and external screw thread, be favorable to increasing this self-locking screw's fastening nature, also increase this self-locking screw reliability simultaneously, still be favorable to increasing this self-locking screw fixed effect, also make things convenient for simultaneously to connect more by the mounting.

However, the self-locking screw is relatively fixed in structure, so that the use range is relatively single, the anti-loosening effect is not obvious enough only by changing the fastening angle, meanwhile, the simple rotating groove has certain requirements on installation tools during installation, and once the device is not carried with a corresponding tool, certain trouble is brought to workers to install the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a self-locking screw with a loosening prevention mechanism, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a self-locking screw with locking mechanism that moves, includes the screw thread post of fixed connection in operation structure bottom, the fixed slot that is used for the locking is offered to one side of screw thread post, the bottom joint of screw thread post has the staple, the top fixedly connected with of staple is used for strengthening fixed extension wall, the surperficial threaded connection of screw thread post has the nut, threaded hole is seted up to one side of nut, the inner wall threaded connection of screw hole has and is used for locking structure that moves, the cross handle hole that can conveniently rotate the screw thread post is seted up on operation structure's surface.

Optionally, a gasket for assisting in fixing is sleeved on the surface of the threaded column.

Optionally, a spring is arranged inside one end of the threaded column, and a clamping block is fixedly connected to one end of the spring.

Optionally, the inner bottom wall of the fixing nail is provided with a clamping groove, and the spring elastically abuts against the threaded column and drives the clamping block to be clamped in the clamping groove.

Optionally, the surface of the locking structure is provided with a groove, and the surface of the extension wall is provided with anti-slip lines for increasing friction force.

Optionally, the surfaces of the operating structure, the threaded column, the fixing nail and the nut are provided with antirust coatings.

(III) advantageous effects

The utility model provides a self-locking screw with a loosening prevention mechanism, which has the following beneficial effects:

1. this self-locking screw with locking mechanism that moves, setting through screw post and staple joint, can make the device realize two kinds of forms of bolt and screw simultaneously, make the device select different user state according to the in service behavior, the adaptability of the device has been improved greatly, setting through fixed slot and locking structure, can be in the device bolt state, play fixed locking effect, through the setting of extension wall, can make the device's screw post and staple when being connected, enlarge the area of contact with the drilling inner wall, through outwards producing power from the extension wall, increase the resistance, realize the locking mesh of screw state.

2. This self-locking screw with locking mechanism that moves through the setting of operation structure octagon and cross handle hole, can make the device adapt to different mounting tools such as flat-open screwdriver, cross screwdriver and torque wrench, has made things convenient for operating personnel to install the device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a card slot structure according to the present invention;

fig. 4 is a schematic diagram of a fixture block structure according to the present invention.

In the figure: 1. an operating structure; 2. a threaded post; 3. fixing grooves; 4. fixing nails; 5. an expansion wall; 6. a nut; 7. a threaded hole; 8. a locking structure; 9. a cross operating hole; 10. a gasket; 11. a spring; 12. a clamping block; 13. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a self-locking screw with an anti-loosening mechanism comprises a threaded column 2 fixedly connected to the bottom of an operation structure 1, a gasket 10 used for auxiliary fixing is sleeved on the surface of the threaded column 2, the gasket 10 is made of rubber, the gasket 10 is used for preventing loosening and protecting parts by increasing the contact area and reducing pressure, a fixing groove 3 used for locking is formed in one side of the threaded column 2 of a screw cap 6, a fixing nail 4 is clamped at the bottom of the threaded column 2, a spring 11 is arranged in one end of the threaded column 2, a clamping block 12 is fixedly connected to one end of the spring 11, a clamping groove 13 is formed in the inner bottom wall of the fixing nail 4, and the spring 11 elastically abuts against the threaded column 2 and drives the clamping block 12 to be clamped in the clamping groove 13;

the top of the fixed nail 4 is fixedly connected with an extension wall 5 for strengthening fixation, the surface of the extension wall 5 is provided with anti-slip lines for increasing friction force to increase the friction force between the extension wall 5 and the inner wall of a drilled hole and further strengthen the anti-loosening effect of the extension wall 5, the surface of the threaded column 2 is in threaded connection with a nut 6, the surfaces of the operation structure 1, the threaded column 2, the fixed nail 4 and the nut 6 are all provided with antirust coatings to improve the antirust capability of the device and prevent water vapor from eroding the device in long-term use, one side of the nut 6 is provided with a threaded hole 7, the inner wall of the threaded hole 7 is in threaded connection with a locking structure 8 for preventing loosening, the surface of the locking structure 8 is provided with a groove, through the arrangement of the groove, an operator can conveniently rotate the locking structure 8 to enable the locking structure 8 to penetrate through the threaded hole 7 to be tightly abutted against the fixed groove 3 on the threaded column 2, so that the locking structure 8 locks the threaded column 2, the surface of the operation structure 1 is provided with a cross operation hole 9 which can conveniently rotate the threaded column 2.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the utility model, the working steps of the device are as follows:

1. firstly, selecting the use state of the device according to the use condition on site, when a bolt is required to be used, not connecting the fixing nail 4, enabling the threaded column 2 to be directly matched with the nut 6 for use, installing the device through an installation tool, and enabling the locking structure 8 to penetrate into the threaded hole 7 to tightly abut against the threaded column 2 to prevent the device from loosening;

2. when the screw is needed to be used, one end of the threaded column 2 can be inserted into the expansion wall 5 of the fixing nail 4, the clamping block 12 is clamped into the clamping groove 13 on the fixing nail 4 through the spring 11 to be connected with the fixing nail 4, and the device is changed into a screw to be used;

3. the device is drilled into an object through the mounting tool, when the device enters the object, the expansion wall 5 is opened by the threaded column 2, the expansion wall is opened in an inverted umbrella shape and is drilled in a hole, the contact area of the device and the object is enlarged, and meanwhile, due to the inverted umbrella shape, the device cannot be withdrawn from the object due to too loose.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a self-locking screw with locking mechanism that moves, includes threaded post (2) of fixed connection in operation structure (1) bottom, its characterized in that: fixed slot (3) that are used for the locking are seted up to one side of screw thread post (2), the bottom joint of screw thread post (2) has staple (4), the top fixedly connected with of staple (4) is used for strengthening fixed extension wall (5), the surperficial threaded connection of screw thread post (2) has nut (6), threaded hole (7) are seted up to one side of nut (6), the inner wall threaded connection of screw hole (7) has and is used for locking structure (8) that moves, cross handle hole (9) that can conveniently rotate screw thread post (2) are seted up on the surface of operating structure (1).

2. The self-locking screw with the anti-loosening mechanism according to claim 1, wherein: and a gasket (10) for auxiliary fixation is sleeved on the surface of the threaded column (2).

3. The self-locking screw with the anti-loosening mechanism according to claim 1, wherein: the spring (11) is arranged in one end of the threaded column (2), and a clamping block (12) is fixedly connected to one end of the spring (11).

4. A self-locking screw with anti-loosening mechanism according to claim 3, wherein: the inner bottom wall of the fixing nail (4) is provided with a clamping groove (13), and the spring (11) elastically abuts against the threaded column (2) and drives the clamping block (12) to be clamped in the clamping groove (13).

5. The self-locking screw with the anti-loosening mechanism according to claim 1, wherein: the surface of the locking structure (8) is provided with a groove, and the surface of the expansion wall (5) is provided with anti-slip lines for increasing friction force.

6. The self-locking screw with the anti-loosening mechanism according to claim 1, wherein: the surface of the operation structure (1), the threaded column (2), the fixing nail (4) and the nut (6) is provided with an antirust coating.