Axle adjusting bolt with self-locking function

Abstract

The utility model relates to the technical field of bolts, and discloses an axle adjusting bolt with a self-locking function, which comprises a screw 1, the top of the screw 1 is fixedly connected with a nut 1, the inside of the screw 1 is in threaded connection with a screw 2, the top of the screw 2 is fixedly connected with a nut 2, the inside of the screw 2 is provided with a groove, and the nut 1 is fixedly connected with the nut 2. Two balls are slidably connected into the first screw, a first waterproof gasket is fixedly connected to the top of the first screw, and a second waterproof gasket is fixedly connected to the top of the first nut. During use, the first screw rod is firstly screwed between an axle and a frame to adjust the position, the ball body is extruded out of the groove under the extrusion of the second screw rod, slides out of the first screw rod and is clamped outside the first screw rod, a large amount of vibration and impact force can be generated in the running process of a vehicle, and the self-locking bolt can effectively prevent the loosening phenomenon. And the stability of the axle system is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt technical field especially relates to a kind of axle adjusting bolt with self-locking function. BACKGROUND

[0002] On commercial truck, trailer, axle adjustment is crucial to keep load balance, ensure vehicle driving stability.Self-locking function bolt can ensure that in the process of load change and driving, axle adjustment cannot be loosened due to vibration and external force, keep stable adjustment state.

[0003] The structure of a kind of axle adjusting bolt with self-locking function includes screw rod one, screw rod two, ball, waterproof gasket one etc., axle adjusting bolt with self-locking function, it is usually used in the axle structure of vehicle, truck, engineering machinery etc., main role is to adjust and fix the component of axle, in axle system, this bolt not only has rotatable adjustment function, but also has self-locking characteristic to prevent loosening and self-loosening, ensure that the state after axle adjustment can be kept long-term, avoid the risk of bolt loosening or displacement due to vibration, impact or other external force.

[0004] In prior art, part axle adjusting bolt adopts single thread connection, lack effective self-locking mechanism to ensure that bolt always keeps stable fastening state in use process, cannot completely avoid the risk of bolt loosening in harsh working environment, cannot provide long-term, reliable fixing performance, therefore a kind of axle adjusting bolt with self-locking function is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides an axle adjusting bolt with self-locking function, to improve the problem of adjusting bolt without self-locking function in part device in prior art.

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

[0007] An axle adjusting bolt with self-locking function, including screw rod one, the top of screw rod one is fixedly connected with nut one, the inside of screw rod one is connected with screw rod two with screw thread, the top of screw rod two is fixedly connected with nut two, the inside of screw rod two is equipped with recess, the inside of screw rod one is slidably connected with two balls, the top of screw rod one is fixedly connected with waterproof gasket one, the top of nut one is fixedly connected with waterproof gasket two.

[0008] As further description of the above technical scheme:

[0009] The bottom of nut one is fixedly connected at the top of waterproof gasket one, the top of waterproof gasket two is fixedly connected at the bottom of nut two.

[0010] As the further description of the above technical solutions:

[0011] The inner side of the two spheres is slidably connected to the outer side of the waterproof gasket one, and the outer part of the screw two is rotatably connected to the inner part of the waterproof gasket two.

[0012] The utility model has the advantages of:

[0013] In the utility model, the screw one is first screwed into the adjusting position between the axle and the frame, and then the screw two inside the screw one is screwed, and the sphere is squeezed out of the groove and stuck outside the screw one under the extrusion of the screw two, the self-locking bolt can effectively prevent the loosening phenomenon, maintain the stability of the axle system, and the front ends of the two nuts are provided with waterproof gaskets, thereby reducing the corrosion and rust caused by water immersion. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A perspective view of the axle adjusting bolt with the self-locking function is provided for the utility model;

[0015] Figure 2 A structure schematic view of the screw one of the axle adjusting bolt with the self-locking function is provided for the utility model;

[0016] Figure 3 A structure schematic view of the nut one of the axle adjusting bolt with the self-locking function is provided for the utility model;

[0017] Figure 4 A Figure 3 An enlarged view of A in the middle.

[0018] LEGEND:

[0019] 1, screw one; 2, nut one; 3, screw two; 4, nut two; 5, groove; 6, sphere; 7, waterproof gasket one; 8, waterproof gasket two. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Refer to Figure 1 , Figure 4The utility model provides an embodiment: a kind of axle adjusting bolt with self-locking function, including screw rod one 1, screw rod one 1 is the main shaft of whole adjusting bolt, it is connected with the connecting component of axle, play the role of support and fixed, screw rod one 1 is steel, can bear high load from axle and frame connecting part, the top of screw rod one 1 is fixedly connected with nut one 2, nut one 2 screw rod one 1 cooperation is used to prevent loosening, the inside screw thread connection of screw rod one 1 has screw rod two 3, screw rod two 3 rotates in the inside of screw rod one 1 so that ball 6 is separated from the recess 5 opened in screw rod two 3 and slides to the outside of screw rod one 1 and the contact of connecting part is deadlocked, the top of screw rod two 3 is fixedly connected with nut two 4, nut two 4 is used to prevent loosening with screw rod two 3, recess 5 is opened in the inside of screw rod two 3, the inside sliding connection of screw rod one 1 has two ball 6.

[0022] Recess 5 is mainly used to accommodate two ball 6 when not using self-locking function, the top of screw rod one 1 is fixedly connected with waterproof gasket one 7, waterproof gasket one 7 main effect is sealing, prevent moisture, dust etc. Into the inside of bolt, influence the lubrication of thread and the normal adjustment of bolt, simultaneously, waterproof gasket one 7 also help to improve the corrosion resistance of adjusting bolt, prolong the service life of bolt, the top of nut one 2 is fixedly connected with waterproof gasket two 8, waterproof gasket two 8 play sealing and waterproof effect, simultaneously prevent outside corrosive material, moisture into screw system, influence self-locking function.

[0023] Refer to Figures 2-3 The bottom of nut one 2 is fixedly connected in the top of waterproof gasket one 7, the top of waterproof gasket two 8 is fixedly connected in the bottom of nut two 4, the inside of two ball 6 is slidingly connected in the outside of waterproof gasket one 7, the outside of screw rod two 3 is rotatably connected in the inside of waterproof gasket two 8.

[0024] Working principle: screw 1 as the main shaft of the whole adjusting bolt, rotating screw 1 fixed and connected with the connecting part of the axle to provide support and fixed effect, then rotating nut 2 to reinforce, ensure the stability of screw 1, through the internal rotation of screw 2 3, then using the top fixed connection of screw 2 3 nut 2 4 to reinforce, in the case of not rotating screw 2 3 two ball 6 in the groove 5, rotating screw 2 3 makes the ball 6 out of the groove 5, sliding to the outside of screw 1, contact with the connecting part, thus forming a lock, prevent bolt loose, waterproof gasket 1 7 is located at the top of screw 1 and the bottom of nut 2, play a sealing effect, prevent moisture and dust into the bolt inside, affect the lubrication and normal adjustment of thread, waterproof gasket 2 8 is located at the top of screw 2 3 and the bottom of nut 2 4, further enhance the waterproof and anticorrosion ability, ensure the effectiveness of the self locking function, the cooperation of screw 1 and screw 2 3, and the sliding and locking of ball 6, ensure the stability and reliability of the axle adjusting bolt, at the same time prolong the service life of the bolt.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A self-locking axle adjusting bolt, comprising a screw rod (1), characterized in that: The top of the screw rod one (1) is fixedly connected with the nut one (2), the inside of the screw rod one (1) is threadedly connected with the screw rod two (3), the top of the screw rod two (3) is fixedly connected with the nut two (4), the inside of the screw rod two (3) is provided with the recess (5), the inside of the screw rod one (1) is slidably connected with the two balls (6), the top of the screw rod one (1) is fixedly connected with the waterproof gasket one (7), the top of the nut one (2) is fixedly connected with the waterproof gasket two (8).

2. The axle adjusting bolt with self-locking function according to claim 1, characterized in that: The bottom of the nut one (2) is fixedly connected with the top of the waterproof gasket one (7), the top of the waterproof gasket two (8) is fixedly connected with the bottom of the nut two (4).

3. The axle adjusting bolt with self-locking function according to claim 1, characterized in that: The inside of the two balls (6) is slidably connected with the outside of the waterproof gasket one (7), the outside of the screw rod two (3) is rotatably connected with the inside of the waterproof gasket two (8).

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