CN219549307U

CN219549307U - High-strength anti-loose combined bolt

Info

Publication number: CN219549307U
Application number: CN202320705613.XU
Authority: CN
Inventors: 毛渊婧
Original assignee: Jiangxi Cheng De Fastener Co ltd
Current assignee: Jiangxi Cheng De Fastener Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-18
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of bolts, in particular to a high-strength anti-loosening combined bolt, which comprises a screw cap, wherein the lower end of the screw cap is connected with a screw rod I, an anti-loosening assembly is arranged on the screw rod I and comprises an arc-shaped fixing ring, a connecting rod, a butting block, a butting spring, a connecting frame, a fixing block, a left clamping block, a clamping groove, a buffer spring, a right clamping block, an arc-shaped elastic plate and a limiting ring, the upper end of the arc-shaped fixing ring is provided with the connecting rod, the upper end of the connecting rod is connected with the butting block, the upper end of the butting block is abutted with the butting spring, and the outer side of the butting spring is provided with the connecting frame. According to the anti-loosening assembly, the arc-shaped fixing ring, the connecting rod, the abutting block, the abutting spring, the connecting frame, the fixing block, the left clamping block, the clamping groove, the buffer spring, the right clamping block, the arc-shaped elastic plate and the limiting ring are arranged in the anti-loosening assembly, so that the bolt can be effectively prevented from loosening due to external vibration, the bolt can be firmer during fixing, and the fixing strength of the bolt is effectively improved.

Description

High-strength anti-loose combined bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a high-strength anti-loosening combined bolt.

Background

The bolt is a cylindrical threaded fastener with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut for fastening two parts with through holes. This form of connection is called bolting. If the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.

Chinese patent discloses an antitheft bolt (grant bulletin number CN 213145064U), this patent technical structure is simple, simple to operate, the difficult detachable antitheft bolt that has good theftproof effect, but this kind of bolt constitutes the structure comparatively simple, and the bolt is in the fixed in-process of use, and the bolt is easy to become flexible because of external vibration to influence the fixed stability and the fixed strength of bolt.

Accordingly, a high-strength anti-loosening modular bolt is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a high-strength anti-loosening combined bolt, which comprises a nut, wherein the lower end of the nut is connected with a first screw rod;

the first screw is provided with a locking component, the locking component comprises an arc-shaped fixing ring, a connecting rod, a propping block, a propping spring, a connecting frame, a fixing block, a left clamping block, a clamping groove, a buffer spring, a right clamping block, an arc-shaped elastic plate and a limiting ring, the upper end of the arc-shaped fixing ring is provided with the connecting rod, the upper end of the connecting rod is connected with the propping block, the upper end of the propping block is propped against the abutting spring, and the connecting frame is arranged on the outer side of the abutting spring;

the connecting rod is fixedly provided with a fixed block, the right side fixed connection left fixture block of fixed block, the inside of left fixture block is equipped with the draw-in groove, the inside of draw-in groove is equipped with buffer spring, buffer spring's right side is fixed and is equipped with right fixture block, the fixed arc elastic plate that is equipped with in right side of right fixture block, the middle part is equipped with the spacing ring on the arc elastic plate.

Preferably: the first screw is provided with a plurality of threads, and the lower side of the first screw is rotationally connected with the second connecting screw.

Preferably: and a connecting assembly is rotationally arranged between the first screw and the second connecting screw and comprises an internal thread and an external thread.

Preferably: the inside of screw rod one is equipped with the internal thread, links up the outside of screw rod two and is equipped with the external screw thread.

Preferably: the internal thread and the external thread are matched with each other and are rotationally connected.

Preferably: the limiting ring is fixed on the right side of the bottom of the connecting frame, and the other limiting ring is fixed on the upper right side of the connecting frame.

The utility model has the technical effects and advantages that:

1. according to the anti-loosening assembly, the arc-shaped fixing ring, the connecting rod, the abutting block, the abutting spring, the connecting frame, the fixing block, the left clamping block, the clamping groove, the buffer spring, the right clamping block, the arc-shaped elastic plate and the limiting ring are arranged in the anti-loosening assembly, so that the bolt can be effectively prevented from loosening due to external vibration, the bolt can be firmer during fixing, and the fixing strength of the bolt is effectively improved.

2. Through the internal thread and the external screw thread in the linking subassembly that sets up, the inside of screw rod one is equipped with the internal screw thread, and the outside of linking screw rod two is equipped with the external screw thread, links up screw rod one and links up screw rod two each other and can realize increasing or shortening screw rod one and linking screw rod two's length to adapt to the needs of different length, reduced use cost.

Drawings

Fig. 1 is a schematic structural view of a high-strength anti-loosening combined bolt according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram II of a high-strength anti-loosening combined bolt according to an embodiment of the present utility model;

fig. 3 is a schematic structural view III of a high-strength anti-loosening combined bolt according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a high-strength anti-loosening combined bolt according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a bottom view of a high-strength anti-loosening combined bolt according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a locking assembly in a high strength locking combination bolt according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram II of a locking assembly in a high-strength locking combined bolt according to an embodiment of the present utility model;

FIG. 8 is a schematic view of the structure of the high-strength anti-loosening combined bolt shown in FIG. 3A according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the structure of the high-strength anti-loosening combined bolt shown in FIG. 4B according to the embodiment of the utility model;

fig. 10 is a schematic structural view of a high-strength anti-loosening combined bolt at C in fig. 1 according to an embodiment of the present utility model.

In the figure: 1. a screw cap; 2. a first screw; 3. a thread; 4. a second connecting screw rod;

5. a joining assembly; 51. an internal thread; 52. an external thread;

6. an anti-loosening component; 61. an arc-shaped fixing ring; 62. a connecting rod; 63. abutting blocks; 64. abutting against the spring; 65. a connection frame; 66. a fixed block; 67. a left clamping block; 68. a clamping groove; 69. a buffer spring; 70. a right clamping block; 71. an arc-shaped elastic plate; 72. and a limiting ring.

Description of the embodiments

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

Referring to fig. 1 to 10, in this embodiment, a high-strength anti-loosening combined bolt is provided, which includes a nut 1, a screw rod 1 is connected to the lower end of the nut 1, a plurality of threads 3 are provided on the screw rod 1, a connecting screw rod 2 is rotatably connected to the lower side of the screw rod 2, a connecting component 5 is rotatably provided between the screw rod 2 and the connecting screw rod 4, the connecting component 5 includes an internal thread 51 and an external thread 52, an internal thread 51 is provided in the screw rod 2, an external thread 52 is provided outside the connecting screw rod 4, and the internal thread 51 and the external thread 52 are mutually matched and rotatably connected;

the first screw rod 2 is provided with a locking component 6, the locking component 6 comprises an arc-shaped fixing ring 61, a connecting rod 62, a supporting block 63, a supporting spring 64, a connecting frame 65, a fixing block 66, a left clamping block 67, a clamping groove 68, a buffer spring 69, a right clamping block 70, an arc-shaped elastic plate 71 and a limiting ring 72, the upper end of the arc-shaped fixing ring 61 is provided with the connecting rod 62, the upper end of the connecting rod 62 is connected with the supporting block 63, the upper end of the supporting block 63 is in supporting connection with the supporting spring 64, and the connecting frame 65 is arranged on the outer side of the supporting spring 64;

the connecting rod 62 is fixedly provided with a fixed block 66, the right side fixed connection left fixture block 67 of fixed block 66, the inside of left fixture block 67 is equipped with draw-in groove 68, the inside of draw-in groove 68 is equipped with buffer spring 69, the right side of buffer spring 69 is fixedly equipped with right fixture block 70, the right side of right fixture block 70 is fixedly equipped with arc elastic plate 71, the middle part is equipped with spacing ring 72 on the arc elastic plate 71, spacing ring 72 is fixed on the bottom right side of linking frame 65, and be provided with another spacing ring 72 and fix on the right side upper portion of linking frame 65.

The working principle of the utility model is as follows: in the embodiment, the internal thread 51 is arranged in the first screw rod 2 of the connecting component 5 in the anti-loose component 6, the external thread 52 is arranged outside the second connecting screw rod 4, and the first screw rod 2 and the second connecting screw rod 4 are mutually connected, so that the length of the first screw rod 2 and the length of the second connecting screw rod 4 can be increased or shortened, the requirements of different lengths are met, and the use cost is reduced;

then through fixing two arc-shaped fixing rings 61 outside the first screw rod 2, then inserting the abutting blocks 63 into the connecting frame 65, simultaneously through the arrangement of the limiting rings 72, the arc-shaped fixing rings 61 can be effectively prevented from shaking, meanwhile, the first abutting springs 64 and the buffer springs 69 can play a role in a certain elastic support, when the bolts vibrate, the left clamping blocks 67, the clamping grooves 68 and the buffer springs 69 can be arranged to abut against external fixing pieces, so that the first screw rod 2 can be effectively prevented from rotating, and the fixing stability and the fixing strength of the bolts can be improved;

in this embodiment, through the adjustable auxiliary fixing structure that arc solid fixed ring 61, connecting rod 62, support piece 63, butt spring 64, linking frame 65, fixed block 66, left fixture block 67, draw-in groove 68, buffer spring 69, right fixture block 70, arc elastic plate 71 and spacing ring 72 etc. constitute, can effectively prevent that the bolt from becoming flexible because of external vibration, can make the bolt more firm when fixed use to effectively promoted the fixed strength of bolt.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The high-strength anti-loosening combined bolt comprises a screw cap (1), and is characterized in that the lower end of the screw cap (1) is connected with a first screw rod (2);

the anti-loosening device comprises a screw I (2), wherein an anti-loosening component (6) is arranged on the screw I (2), the anti-loosening component (6) comprises an arc-shaped fixed ring (61), a connecting rod (62), a propping block (63), a propping spring (64), a connecting frame (65), a fixed block (66), a left clamping block (67), a clamping groove (68), a buffer spring (69), a right clamping block (70), an arc-shaped elastic plate (71) and a limiting ring (72), the upper end of the arc-shaped fixed ring (61) is provided with the connecting rod (62), the upper end of the connecting rod (62) is connected with the propping block (63), the upper end of the propping block (63) is propped against the connecting spring (64), and the outer side of the connecting spring (64) is provided with the connecting frame (65);

fixed block (66) that is equipped with on connecting rod (62), the right side fixed connection left fixture block (67) of fixed block (66), the inside of left fixture block (67) is equipped with draw-in groove (68), the inside of draw-in groove (68) is equipped with buffer spring (69), the fixed right fixture block (70) that is equipped with in right side of buffer spring (69), the fixed arc elastic plate (71) that is equipped with in right side of right fixture block (70), middle part is equipped with spacing ring (72) on arc elastic plate (71).

2. The high-strength anti-loosening combined bolt as claimed in claim 1, wherein a plurality of threads (3) are arranged on the first screw rod (2), and the lower side of the first screw rod (2) is rotatably connected with the second connecting screw rod (4).

3. The high-strength anti-loosening combined bolt according to claim 1, wherein an engagement assembly (5) is rotatably arranged between the first screw (2) and the second screw (4), and the engagement assembly (5) comprises an inner thread (51) and an outer thread (52).

4. A high strength anti-loosening composite bolt as claimed in claim 3, wherein the first screw (2) has internal screw threads (51) and the second screw (4) has external screw threads (52).

5. A high strength anti-loose modular bolt as claimed in claim 3, wherein the internal thread (51) and the external thread (52) are matched and rotationally engaged.

6. The high-strength anti-loosening combined bolt according to claim 1, wherein the limiting ring (72) is fixed on the right side of the bottom of the connecting frame (65), and another limiting ring (72) is fixed on the upper right side of the connecting frame (65).