CN219220990U

CN219220990U - High-strength bolt with strong impact resistance

Info

Publication number: CN219220990U
Application number: CN202223282509.9U
Authority: CN
Inventors: 陈家歆
Original assignee: Xuzhou Xinxing Dacromet Technology Co ltd
Current assignee: Xuzhou Xinxing Dacromet Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-20
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of bolts and discloses a high-strength bolt with strong impact resistance, which comprises a first screw cap, a second screw cap and a first screw rod, wherein the first screw cap is fixedly arranged at the upper end of the first screw rod, the second screw cap is positioned at the top of the first screw cap, and a plurality of uniformly distributed elastic telescopic mechanisms are arranged between the first screw cap and the second screw cap; the elastic telescopic mechanism comprises a telescopic rod and a first spring, wherein the opposite sides of the first screw cap and the second screw cap are provided with mounting grooves corresponding to each other, the lower end of the telescopic rod is fixedly connected with the mounting grooves on the first screw cap, the upper end of the telescopic rod is detachably connected with the mounting grooves on the second screw cap, and the first spring is sleeved on the rod wall of the telescopic rod. The double-headed screw caps are adopted to isolate and protect the screw caps on the bolt body, and the buffer mechanism is arranged between the double-headed screw caps, so that the impact resistance is strong, and the service life of the bolt is prolonged.

Description

High-strength bolt with strong impact resistance

Technical Field

The utility model relates to the technical field of bolts, in particular to a high-strength bolt with strong impact resistance.

Background

The current high strength operation device is when the installation, need use the bolt of high strength, because the nut of bolt is exposed, and the nut is the part that receives the striking most easily, but because the setting of the nut of current bolt is comparatively thin, often easily appear the phenomenon of damage under high strength impact, leads to the unable fixed connection's of play effect of bolt, and the nut is once broken then can influence the dismouting of whole bolt simultaneously to increase the follow-up dismouting intensity of device. For this reason, a high strength bolt having a strong impact resistance is proposed.

Disclosure of Invention

The utility model aims to solve the problem that the impact resistance of a high-strength bolt in the prior art is weak, and provides the high-strength bolt with strong impact resistance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the high-strength bolt with strong impact resistance comprises a first screw cap, a second screw cap and a first screw rod, wherein the first screw cap is fixedly arranged at the upper end of the first screw rod, the second screw cap is positioned at the top of the first screw cap, and a plurality of uniformly distributed elastic telescopic mechanisms are arranged between the first screw cap and the second screw cap;

the elastic telescopic mechanism comprises a telescopic rod and a first spring, wherein the opposite sides of the first screw cap and the second screw cap are provided with mounting grooves corresponding to each other, the lower end of the telescopic rod is fixedly connected with the mounting grooves on the first screw cap, the upper end of the telescopic rod is detachably connected with the mounting grooves on the second screw cap, the first spring is sleeved on the rod wall of the telescopic rod, and the two ends of the first spring are respectively extended to the two inner parts of the mounting grooves.

Preferably, the top of second nut and the position that corresponds with the mounting groove have seted up the mounting hole, and the inside of mounting hole is equipped with the second screw rod, the lower extreme and the upper end fixed connection of telescopic link of second screw rod, and the upper end of second screw rod is equipped with the nut.

Preferably, a placing groove is formed in the top of the second nut and corresponds to the position of the mounting hole, and the nut is located in the placing groove.

Preferably, the bottom of the first nut is fixedly provided with a second spring, and the lower end of the second spring is fixedly provided with an anti-compression ring.

Preferably, the compression-resistant ring and the second spring are both sleeved on the rod wall of the first screw rod, and the second spring adopts a compact spring.

Preferably, the thickness of the first nut is greater than the thickness of the second nut.

Compared with the prior art, the utility model provides the high-strength bolt with strong impact resistance, which has the following beneficial effects:

1. this high strength bolt that impact resistance is strong, through the second nut that is equipped with, the second nut can separate first spiral shell and keep off, avoids the striker direct and first nut contact, sets up telescopic link and first spring between first nut and second nut simultaneously, can make the second nut possess the function of elasticity buffering, has reduced the impact force to the influence of first nut to make first nut possess stronger impact resistance.

2. This high strength bolt that impact resistance is strong, through setting up second screw rod and the nut between telescopic link and second nut, if the second nut is receiving the impact damage for a long time, can directly dismantle the change with the second nut, change new second nut and can continue to resist the impact force, ensure the life of first nut.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the double-headed nuts are adopted to isolate and protect the nuts on the bolt body, and the buffer mechanism is arranged between the double-headed nuts, so that the impact resistance is strong, and the service life of the bolt is prolonged.

Drawings

FIG. 1 is a schematic view of a high strength bolt with high impact resistance according to the present utility model;

FIG. 2 is a partial cross-sectional view of a high strength bolt with high impact resistance according to the present utility model;

fig. 3 is an enlarged view of the structure of the portion a in fig. 2.

In the figure: 1. a first nut; 2. a second nut; 3. a first screw; 4. a telescopic rod; 5. a first spring; 6. a mounting groove; 7. a mounting hole; 8. a second screw; 9. a nut; 10. a placement groove; 11. a second spring; 12. and (3) resisting the compression ring.

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.

Example 1

Referring to fig. 1-3, a high strength bolt with strong impact resistance comprises a first screw cap 1, a second screw cap 2 and a first screw rod 3, wherein the first screw cap 1 is fixedly arranged at the upper end of the first screw rod 3, the second screw cap 2 is positioned at the top of the first screw cap 1, the thickness of the first screw cap 1 is larger than that of the second screw cap 2, the second screw cap 2 is arranged outside, the first screw cap 1 can be blocked, a striker is prevented from directly contacting with the first screw cap 1, and the damage probability of the first screw cap 1 is reduced. Be equipped with a plurality of evenly distributed's elasticity telescopic machanism between first nut 1 and the second nut 2, elasticity telescopic machanism includes telescopic link 4 and first spring 5, the mounting groove 6 that the position corresponds has all been seted up to one side that first nut 1 and second nut 2 are relative, the lower extreme of telescopic link 4 and the mounting groove 6 fixed connection on the first nut 1, the upper end of telescopic link 4 can be dismantled with the mounting groove 6 on the second nut 2 and be connected, the pole wall of telescopic link 4 is located to first spring 5 cover, and the both ends of first spring 5 extend to the inside of two mounting grooves 6 respectively, when receiving the impact to second nut 2 for second nut 2 removes and compresses telescopic link 4 and first spring 5, can make second nut 2 possess the elasticity buffering function, reduce the impact force to the influence of first nut 1.

Example 2

Referring to fig. 2-3, the top of the second nut 2 and the position corresponding to the mounting groove 6 are provided with the mounting hole 7, the inside of the mounting hole 7 is provided with the second screw rod 8, the lower end of the second screw rod 8 is fixedly connected with the upper end of the telescopic rod 4, the upper end of the second screw rod 8 is provided with the nut 9, the top of the second nut 2 and the position corresponding to the mounting hole 7 are provided with the placing groove 10, the nut 9 is positioned in the placing groove 10, the placing groove 10 can provide placing space for the nut 9, the effect of using is prevented from being influenced by the exposure of the nut 9, and when the second nut 2 is damaged by impact for a long time, the nut 9 can be unscrewed and taken down from the second screw rod 8, so that the second nut 2 is separated from the telescopic rod 4 and replaced.

Example 3

Referring to fig. 1-2, a second spring 11 is fixedly arranged at the bottom of the first screw cap 1, a compression-resistant ring 12 is fixedly arranged at the lower end of the second spring 11, the compression-resistant ring 12 and the second spring 11 are both sleeved on the rod wall of the first screw rod 3, the second spring 11 is a compact spring, and when the first screw rod 3 and the first screw cap 1 are fixed to the device, the second spring 11 is compressed by the compression-resistant ring 12 at the moment, so that a certain impact resistance effect can be achieved.

In the utility model, when in use, as the first screw cap 1 and the second screw cap 2 are arranged at the upper end of the first screw rod 3, the second screw cap 2 is arranged outside, the first screw cap 1 can be blocked to prevent a striker from directly contacting with the first screw cap 1, and meanwhile, the telescopic rod 4 and the first spring 5 are arranged between the first screw cap 1 and the second screw cap 2, when the second screw cap 2 is impacted, the second screw cap 2 moves and compresses the telescopic rod 4 and the first spring 5, so that the second screw cap 2 has the function of elastic buffering, the influence of impact force on the first screw cap 1 is reduced, and the first screw cap 1 has stronger impact resistance; if the second nut 2 is damaged by impact for a long time, the nut 9 can be unscrewed and removed from the second screw rod 8, so that the second nut 2 is separated from the telescopic rod 4, and the new second nut 2 can be replaced to continuously resist the impact force, thereby ensuring the service life of the first nut 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The high-strength bolt with strong impact resistance comprises a first screw cap (1), a second screw cap (2) and a first screw rod (3), and is characterized in that the first screw cap (1) is fixedly arranged at the upper end of the first screw rod (3), the second screw cap (2) is positioned at the top of the first screw cap (1), and a plurality of uniformly distributed elastic telescopic mechanisms are arranged between the first screw cap (1) and the second screw cap (2);

the elastic telescopic mechanism comprises a telescopic rod (4) and a first spring (5), wherein one opposite sides of the first screw cap (1) and the second screw cap (2) are provided with mounting grooves (6) corresponding to the positions, the lower end of the telescopic rod (4) is fixedly connected with the mounting grooves (6) on the first screw cap (1), the upper end of the telescopic rod (4) is detachably connected with the mounting grooves (6) on the second screw cap (2), the first spring (5) is sleeved on the rod wall of the telescopic rod (4), and the two ends of the first spring (5) are respectively extended to the two inner parts of the mounting grooves (6).

2. The high-strength bolt with strong impact resistance according to claim 1, wherein the top of the second nut (2) is provided with a mounting hole (7) at a position corresponding to the mounting groove (6), a second screw (8) is arranged in the mounting hole (7), the lower end of the second screw (8) is fixedly connected with the upper end of the telescopic rod (4), and a nut (9) is arranged at the upper end of the second screw (8).

3. The high-strength bolt with strong impact resistance according to claim 2, wherein the top of the second nut (2) is provided with a placing groove (10) at a position corresponding to the mounting hole (7), and the nut (9) is positioned in the placing groove (10).

4. The high-strength bolt with strong impact resistance according to claim 1, wherein the bottom of the first nut (1) is fixedly provided with a second spring (11), and the lower end of the second spring (11) is fixedly provided with a compression-resisting ring (12).

5. The high-strength bolt with strong impact resistance according to claim 4, wherein the compression ring (12) and the second spring (11) are both sleeved on the rod wall of the first screw (3), and the second spring (11) is a compact spring.

6. A high strength bolt with high impact resistance according to claim 1, characterized in that the thickness of the first nut (1) is greater than the thickness of the second nut (2).