CN217633391U

CN217633391U - High-strength anti-loosening bolt

Info

Publication number: CN217633391U
Application number: CN202221710189.XU
Authority: CN
Inventors: 蔡宗勇
Original assignee: Fujian Boyong Machinery Manufacturing Co ltd
Current assignee: Fujian Boyong Machinery Manufacturing Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-10-21
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a locking bolt that moves of high strength, including first bolt, the inner wall threaded connection of first bolt has the second bolt, the top of first bolt is well hollow shape, the second screw thread has been seted up to the inner wall of first bolt, the third screw thread with second screw thread looks adaptation is seted up to the outer wall of second bolt, the device simple structure, and novel in design makes first bolt and second bolt need receive opposite effort, just can be with first bolt and second bolt not hard up relatively, and then prevents that first bolt and second bolt are not hard up, makes the second bolt support tight first bolt, makes the first screw thread of first bolt outer wall support tightly with the inner wall screw thread of nut, improves first bolt and second bolt fastening's stability, prevents that first bolt and second bolt from taking place to break away from to guarantee first bolt and second bolt fastening's stability, prevent that first bolt and second bolt from not hard up, this device is fit for extensively promoting.

Description

High-strength anti-loosening bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a locking bolt that moves of high strength.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

However, after the existing bolt is fixed, the bolt and the nut are loosened easily due to external force or mechanical vibration, the fixing effect of the bolt is reduced, the bolt is loosened, and the mechanical structure is seriously damaged.

SUMMERY OF THE UTILITY MODEL

Technical scheme

The utility model provides a locking bolt that moves of high strength, including first bolt, the inner wall threaded connection of first bolt has the second bolt, the top of first bolt is well cavity shape, the second screw thread has been seted up to the inner wall of first bolt, the third screw thread with second screw thread looks adaptation is seted up to the outer wall of second bolt, the first recess that is the annular array with the central point of first bolt and arranges is seted up to the outer wall bottom of first bolt, the first screw thread opposite with the second screw thread is seted up to the outer wall of first bolt, the outer wall bottom of second bolt is provided with the stop gear who is the annular array with the central point of second bolt and arranges.

Through adopting above-mentioned technical scheme, make first bolt and second bolt need receive opposite effort, could be not hard up first bolt and second bolt relatively, and then prevent that first bolt and second bolt are not hard up, improve the stability of first bolt and second bolt fastening, and make the second bolt support tight first bolt, make the first screw thread of first bolt outer wall and the inner wall screw thread of nut support tightly, and then guarantee fixed effect.

Preferably, the limiting mechanism comprises a second groove, a spring is fixedly connected to the inner wall of the bottom of the second groove, and a limiting block is fixedly connected to one end, far away from the first bolt, of the spring.

Through adopting above-mentioned technical scheme, the top of stopper and the bottom contact of first bolt, and then prevent that first bolt and second bolt from taking place to break away from to guarantee the stability of first bolt and second bolt fastening, prevent that first bolt and second bolt are not hard up.

Preferably, the front bottom of the limiting block is in an arc-shaped design, and the limiting block is matched with the first groove.

Through adopting above-mentioned technical scheme, when screwing the second bolt, under the elastic action of spring, and because the bottom of stopper is the arc design, the stopper is extruded to the second recess in.

Preferably, the upper end of the outer wall of the second bolt is fixedly connected with a limiting ring, and the limiting ring is in a circular ring shape.

By adopting the technical scheme, after the second bolt is screwed, the limiting ring is tightly abutted to the top of the first bolt, so that the second bolt is convenient to fix.

Preferably, the top of the first bolt is in a regular hexagon shape, the top of the second bolt is provided with a third groove, and the cross section of the third groove is square.

Through adopting above-mentioned technical scheme, the staff of being convenient for rotates first bolt and second bolt through the instrument.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. the device makes first bolt and second bolt need receive opposite effort through first screw thread and second screw thread isotructure, just can become flexible first bolt and second bolt relatively, and then prevents that first bolt and second bolt are not hard up, improves first bolt and second bolt fastening's stability.

2. According to the device, the second bolt is screwed to tightly support the first bolt, so that the first thread on the outer wall of the first bolt tightly supports the inner wall thread of the nut, and the fixing effect is further ensured.

3. The device makes the top of stopper and the bottom contact of first bolt through stopper and spring isotructure, and then prevents that first bolt and second bolt from taking place to break away from to guarantee the stability of first bolt and second bolt fixation, prevent that first bolt and second bolt are not hard up.

In conclusion, the device is simple in structure and novel in design, the first bolt and the second bolt can be relatively loosened only by opposite acting forces, the first bolt and the second bolt are further prevented from being loosened, the second bolt is tightly abutted to the first bolt, the first thread on the outer wall of the first bolt is tightly abutted to the inner wall thread of the nut, the fixing stability of the first bolt and the second bolt is improved, the first bolt and the second bolt are prevented from being separated, the fixing stability of the first bolt and the second bolt is ensured, the first bolt and the second bolt are prevented from being loosened, and the device is suitable for wide popularization.

Drawings

Fig. 1 is the utility model provides an overall structure schematic diagram of locking bolt that moves of high strength.

Fig. 2 is the utility model provides a first bolt and second bolt structure schematic diagram of locking bolt that moves of high strength.

Fig. 3 is the utility model provides a first bolt internal structure schematic diagram of locking bolt that moves of high strength.

Fig. 4 is an enlarged schematic structural view of a in fig. 2 of a high-strength anti-loosening bolt provided by the present invention.

Reference numerals; 1. a first bolt; 2. a limiting mechanism; 201. a spring; 202. a second groove; 203. a limiting block; 3. a second bolt; 4. a first groove; 5. a first thread; 6. a third thread; 7. a limiting ring; 8. a second thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a locking bolt that moves of high strength, including first bolt 1, the inner wall threaded connection of first bolt 1 has second bolt 3, the top of first bolt 1 is the cavity shape, second screw thread 8 has been seted up to first bolt 1's inner wall, third screw thread 6 with second screw thread 8 looks adaptation is seted up to second bolt 3's outer wall, first recess 4 that is the annular array with first bolt 1's central point and arranges is seted up to first bolt 1's outer wall bottom, first screw thread 5 opposite with second screw thread 8 has been seted up to first bolt 1's outer wall, second bolt 3's outer wall bottom is provided with stop gear 2 that is the annular array with second bolt 3's central point and arranges, make first bolt 1 and second bolt 3 need receive opposite effort, just can be with first bolt 1 and second bolt 3 relative not hard up, and then prevent that first bolt 1 and second bolt 3 are not hard up, improve the stability that first bolt 1 and second bolt 3 are fixed, and make first bolt 3 tight, and then the effect of the tight screw thread of first bolt 5, and the effect of guaranteeing first bolt.

As shown in fig. 1 and 4, the limiting mechanism 2 includes a second groove 202, a bottom inner wall of the second groove 202 is fixedly connected with a spring 201, the spring 201 is far away from an end fixedly connected with a limiting block 203 of a first bolt 1, the top of the limiting block 203 is in contact with the bottom of the first bolt 1, and further the first bolt 1 is prevented from being separated from a second bolt 3, thereby ensuring the stability of fixing the first bolt 1 and the second bolt 3, preventing the first bolt 1 and the second bolt 3 from loosening, the front bottom of the limiting block 203 is in an arc design, the limiting block 203 is adapted to the first groove 4, when the second bolt 3 is screwed, under the elastic action of the spring 201, and because the bottom of the limiting block 203 is in an arc design, the limiting block 203 is extruded into the second groove 202, the outer wall upper end of the second bolt 3 is fixedly connected with a limiting ring 7, the limiting ring 7 is in a circular ring shape, after the second bolt 3 is screwed, the limiting ring 7 is abutted to the top of the first bolt 1, the second bolt 3 can be conveniently fixed, the top of the first bolt 1 is in a hexagonal body shape, a third bolt 3 is provided, and a square tool for conveniently rotating the second bolt 1 and a square.

The utility model discloses in, when using, in earlier 1 screw in nut of first bolt through first screw thread 5, screw first bolt 1 back, through second screw thread 8 and third screw thread 6 in first bolt 1 with second bolt 3 screw in, continue to screw second bolt 3, when screwing second bolt 3, fix first bolt 1 through instruments such as spanners, avoid first bolt 1 to take place not hard up when rotating second bolt 3, screw second bolt 3 back, because first screw thread 5 is opposite with second screw thread 8, when first bolt 1 and second bolt 3 use for a long time, or when receiving external force, first bolt 1 and second bolt 3 need receive opposite effort, just can be with first bolt 1 and second bolt 3 not hard up relatively, and then prevent that first bolt 1 and second bolt 3 are not hard up, improve the stability that first bolt 1 and second bolt 3 are fixed, and through screwing second bolt 3, make second bolt 3 support tight first bolt 1, make the outer wall of first bolt 1 and then the tight effect of screw thread 5 and assurance, the inner wall of the screw thread fixing nut supports tight effect.

When the second bolt 3 is screwed, under the elastic action of the spring 201 and because the bottom of the limiting block 203 is in an arc design, the limiting block 203 is extruded into the second groove 202, after the second bolt 3 is screwed, the bottom of the second bolt 3 is positioned outside the first bolt 1, the limiting block 203 is moved outside the second groove 202 under the action of the spring 201, so that the top of the limiting block 203 is contacted with the bottom of the first bolt 1, and further the first bolt 1 and the second bolt 3 are prevented from being separated, thereby ensuring the fixing stability of the first bolt 1 and the second bolt 3, preventing the first bolt 1 and the second bolt 3 from loosening, and when the first bolt 1 and the second bolt 3 need to be dismounted, the limiting block 203 is extruded into the second groove 202, and dismounting can be completed by unscrewing the second bolt 3 and the first bolt 1.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.

Claims

1. The utility model provides a locking bolt that moves of high strength, includes first bolt (1), its characterized in that, the inner wall threaded connection of first bolt (1) has second bolt (3), the top of first bolt (1) is the cavity shape, second screw thread (8) have been seted up to the inner wall of first bolt (1), third screw thread (6) with second screw thread (8) looks adaptation are seted up to the outer wall of second bolt (3), first recess (4) that are the annular array and arrange with the central point of first bolt (1) are seted up to the outer wall bottom of first bolt (1), first screw thread (5) opposite with second screw thread (8) are seted up to the outer wall of first bolt (1), the outer wall bottom of second bolt (3) is provided with stop gear (2) that are the annular array and arrange with the central point of second bolt (3).

2. The high-strength anti-loosening bolt according to claim 1 is characterized in that the limiting mechanism (2) comprises a second groove (202), a spring (201) is fixedly connected to the inner wall of the bottom of the second groove (202), and a limiting block (203) is fixedly connected to one end, far away from the first bolt (1), of the spring (201).

3. The high-strength anti-loosening bolt as claimed in claim 2, wherein the bottom of the front surface of the limiting block (203) is designed in an arc shape, and the limiting block (203) is matched with the first groove (4).

4. The high-strength anti-loosening bolt as claimed in claim 1, wherein a limiting ring (7) is fixedly connected to the upper end of the outer wall of the second bolt (3), and the limiting ring (7) is annular.

5. The high-strength anti-loosening bolt as claimed in claim 1, wherein the top of the first bolt (1) is in a regular hexagon shape, the top of the second bolt (3) is provided with a third groove, and the cross section of the third groove is square.