Bolt structure with self-locking function

Abstract

The utility model discloses a bolt structure with a self-locking function, and relates to the technical field of bolt structures with self-locking functions. The upper side of the fixing bolt is in threaded connection with an upper rotating threaded rod, and the lower side of the upper rotating threaded rod is fixedly connected with an insertion block. The lower side of the fixing bolt is in threaded connection with a lower rotating threaded rod, the upper side of the lower rotating threaded rod is fixedly connected with a movable frame, the middle of the upper side of the movable frame is fixedly connected with a telescopic spring fixing block, and the left side and the right side of the telescopic spring fixing block are fixedly connected with a plurality of telescopic springs. A self-locking grain fixing frame is fixedly connected to one side of the telescopic spring, a fixing frame sliding groove is formed in the lower side of the self-locking grain fixing frame, and self-locking grains are fixedly connected to one side of the self-locking grain fixing frame; through grooves are formed in the left side and the right side of the outer surface of the fixing bolt. The outer side of the fixing bolt is fixedly connected with a first rotating thread; and the middle of the outer side of the fixing bolt is in threaded connection with a fixing nut.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt structure technical field with self locking function, specifically a bolt structure with self locking function. BACKGROUND

[0002] Bolt is a kind of mechanical parts, by head and screw rod (cylinder with external thread) two parts, need to cooperate with nut, for fastening connection two parts with through hole, this connection form is called bolt connection, belongs to detachable connection, bolt is widely used in daily life and industrial production, such as electronic product, mechanical product, digital product, power equipment, electromechanical product, ship, vehicle, hydraulic engineering, chemical experiment etc.

[0003] However, the bolt structure with self locking function of part existing does not can adjust its self locking position with nut, thereby not only can not adapt to different size objects, reduce its application range, and also can influence self locking effect.

[0004] Therefore, the technical personnel in the art provides a bolt structure with self locking function to solve the problems in the background art. INVENTION CONTENTS

[0005] The utility model aims at providing a bolt structure with self locking function to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A bolt structure with self locking function, including fixed bolt, the upper side of fixed bolt is connected with upper rotating threaded rod, and the lower side of upper rotating threaded rod is fixedly connected with insertion block, the lower side of fixed bolt is connected with lower rotating threaded rod, and the upper side of lower rotating threaded rod is fixedly connected with movable frame, the upper side of movable frame is fixedly connected with telescopic spring fixed block, and the left and right sides of telescopic spring fixed block are fixedly connected with a plurality of telescopic springs, one side of telescopic spring is fixedly connected with self locking thread fixed frame, the lower side of self locking thread fixed frame is grooved with fixed frame sliding slot, and one side of self locking thread fixed frame is fixedly connected with self locking thread.

[0008] As a further scheme of the utility model, the outer surface of the fixed bolt is grooved with through slot on the left and right sides.

[0009] As a further scheme of the utility model, the outer side of the fixed bolt is fixedly connected with first rotating thread.

[0010] The outer side of the fixed bolt is provided with a fixed nut which is connected with the middle screw thread, and the inner surface of the fixed nut is fixedly connected with a second rotating screw thread.

[0011] The upper side of the upper rotating screw rod is fixedly connected with an upper rotating block.

[0012] The lower side of the lower rotating screw rod is fixedly connected with a lower rotating block.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. By rotating the upper rotating screw rod and the lower rotating screw rod, the self-locking position of the fixed nut and the fixed bolt can be adjusted, so that the fixed nut and the fixed bolt can be flexibly adjusted in the self-locking tightness according to the actual working conditions, such as different vibration frequencies, impact strengths, temperature ranges, etc., so that the fixed nut and the fixed bolt can always maintain a good self-locking state, effectively prevent loosening, improve the reliability and safety of the connection, ensure the tightness and stability of the connection, and in the installation process, the self-locking position of the fixed nut and the fixed bolt can be quickly and accurately adjusted by rotating the upper rotating screw rod and the lower rotating screw rod, so that the fixed nut and the fixed bolt can reach the required pre-tightening force and self-locking state, facilitating installation operation, improving installation efficiency, and also allowing the fixed nut and the fixed bolt to adapt to different sizes of objects, and when the fixed nut is on the fixed bolt, the fixed nut and the fixed bolt can be brought to the self-locking state by rotating the upper rotating screw rod and the lower rotating screw rod, thereby improving the application range of the fixed nut and the fixed bolt. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of a bolt structure with a self-locking function.

[0016] Fig. 2 It is a plan view of a bolt structure with a self-locking function.

[0017] Fig. 3 It is a plan view of a fixed nut in a bolt structure with a self-locking function.

[0018] Fig. 4 It is an enlarged structural schematic view of A in a bolt structure with a self-locking function.

[0019] In the figure: 1 - fixed bolt, 2 - upper rotating threaded rod, 3 - insertion block, 4 - lower rotating threaded rod, 5 - movable frame, 6 - telescopic spring fixing block, 7 - telescopic spring, 8 - self-locking thread fixing frame, 9 - fixed frame sliding groove, 10 - self-locking thread, 11 - through groove, 12 - first rotating thread, 13 - fixed nut, 14 - second rotating thread, 15 - upper rotating block, 16 - lower rotating block. DETAILED DESCRIPTION

[0020] Please refer to Figs. 1-4 The utility model discloses a bolt structure with self-locking function, including fixed bolt 1, the lower side threaded connection of fixed bolt 1 has lower rotating threaded rod 4, and the upper side fixed connection of lower rotating threaded rod 4 has movable frame 5, and the upper side middle fixed connection of movable frame 5 has telescopic spring fixing block 6, and the left and right sides fixed connection of telescopic spring fixing block 6 has a plurality of telescopic springs 7, the side fixed connection of telescopic spring 7 has self-locking thread fixing frame 8, and the lower side of self-locking thread fixing frame 8 is grooved and has fixed frame sliding groove 9, and the side fixed connection of self-locking thread fixing frame 8 has self-locking thread 10, the left and right sides of the outer surface of fixed bolt 1 are grooved and have through groove 11, and the outside fixed connection of fixed bolt 1 has first rotating thread 12, and the outside middle threaded connection of fixed bolt 1 has fixed nut 13, and the inner surface fixed connection of fixed nut 13 has second rotating thread 14, the upper side fixed connection of upper rotating threaded rod 2 has upper rotating block 15, and the lower side fixed connection of lower rotating threaded rod 4 has lower rotating block 16.

[0021] The working principle of this utility model is as follows: When it is necessary to fix two objects together using a fixing bolt 1 and a fixing nut 13, simply insert the fixing bolt 1 into the through hole of the two objects, and then rotate the fixing nut 13 through the free end of the fixing bolt 1 until the fixing nut 13 can no longer be rotated. At this point, the fixing between the two objects is completed. Then, by rotating the lower rotating block 16, the lower rotating threaded rod 4 is rotated. The lower rotating threaded rod 4 will drive the movable frame 5, the self-locking groove fixing frame 8, and the self-locking groove 10 to move towards one side of the insertion block 3 until the self-locking groove fixing frame 8 and the fixing nut 13 are at the same horizontal position. Then, the upper rotating threaded rod 2 is rotated by the upper rotating block 15. The upper rotating threaded rod 2 will drive the insertion block 3 to move towards one side of the telescopic spring fixing block 6. When the insertion block 3 moves to contact the self-locking groove fixing bracket 8, it will squeeze the self-locking groove fixing brackets 8 on the left and right sides respectively. Then, part of the self-locking groove fixing bracket 8 will be squeezed to the outside of the fixing bolt 1 through the through groove 11. Then, the self-locking groove 10 on one side of the self-locking groove fixing bracket 8 will contact the inner surface of the fixing nut 13 and squeeze the inner surface of the fixing nut 13 on both sides respectively. This will prevent the fixing nut 13 from falling off due to vibration or other reasons. When the fixing bolt 1 comes loose, the self-locking between the fixing nut 13 and the fixing bolt 1 is complete. The self-locking position of the fixing nut 13 and the fixing bolt 1 can be adjusted by rotating the upper rotating threaded rod 2 and the lower rotating threaded rod 4. This allows the fixing nut 13 and the fixing bolt 1 to flexibly adjust the self-locking tightness according to actual working conditions, such as different vibration frequencies, impact intensities, and temperature ranges, ensuring that the fixing nut 13 and the fixing bolt 1 always maintain a good self-locking state, effectively preventing loosening, improving the reliability and safety of the connection, and ensuring the tightness and stability of the connection. Furthermore, during installation, [the following text is incomplete and likely refers to a different process:] ... By rotating the upper rotating threaded rod 2 and the lower rotating threaded rod 4, the self-locking position of the fixing nut 13 and the fixing bolt 1 can be quickly and accurately adjusted, so that the fixing nut 13 and the fixing bolt 1 can reach the required preload and self-locking state, which facilitates installation and improves installation efficiency. It also allows the fixing nut 13 and the fixing bolt 1 to adapt to objects of different sizes. No matter where the fixing nut 13 is on the fixing bolt 1, the fixing nut 13 and the fixing bolt 1 can be made to reach the self-locking state by rotating the upper rotating threaded rod 2 and the lower rotating threaded rod 4, thereby improving the applicability of the fixing nut 13 and the fixing bolt 1.

[0022] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and it is intended to embrace all the variations falling within the meaning and the scope of the equivalent elements of the claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0023] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the present specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A bolt structure having a self-locking function, comprising a fixing bolt (1), an upper rotating threaded rod (2), a lower rotating threaded rod (4) and a fixing nut (13), characterized in that, The upper side of the fixed bolt (1) is threadedly connected with an upper rotating threaded rod (2), and the lower side of the upper rotating threaded rod (2) is fixedly connected with an insertion block (3); the lower side of the fixed bolt (1) is threadedly connected with a lower rotating threaded rod (4), and the upper side of the lower rotating threaded rod (4) is fixedly connected with a movable frame (5), the upper side of the movable frame (5) is fixedly connected with an extension spring fixed block (6) in the middle, and the left and right sides of the extension spring fixed block (6) are fixedly connected with a plurality of extension springs (7); one side of the extension spring (7) is fixedly connected with a self-locking thread fixed frame (8), the lower side of the self-locking thread fixed frame (8) is notched with a fixed frame sliding groove (9), and one side of the self-locking thread fixed frame (8) is fixedly connected with a self-locking thread (10).

2. The bolt structure having a self-locking function according to claim 1, wherein The outer surface of the fixed bolt (1) is notched with a through groove (11) on the left and right sides.

3. The bolt structure having a self-locking function according to claim 1, wherein The outer side of the fixed bolt (1) is fixedly connected with a first rotating thread (12).

4. The bolt structure having a self-locking function according to claim 1, wherein The outer side of the fixed bolt (1) is threadedly connected with a fixed nut (13) in the middle, and the inner surface of the fixed nut (13) is fixedly connected with a second rotating thread (14).

5. The bolt structure having a self-locking function according to claim 1, wherein The upper side of the upper rotating threaded rod (2) is fixedly connected with an upper rotating block (15).

6. The bolt structure having a self-locking function according to claim 1, wherein The lower side of the lower rotating threaded rod (4) is fixedly connected with a lower rotating block (16).

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