Locking anti-loosening mechanism capable of continuously compensating torsion

Abstract

The utility model discloses a locking and anti-loosening mechanism capable of continuously compensating torsion. The locking and anti-loosening mechanism comprises a suspension shell, a locking face, a bolt, a locking mechanism, a nut, a belleville spring, a toothed flange gasket, a tooth face, a locking seat and an opening. A locking mechanism is arranged on the suspension shell, the locking mechanism is composed of a nut, a belleville spring and a toothed flange pad, a locking groove is formed in the outer wall of one side of the nut, the belleville spring is connected to the locking groove in a sleeving mode, the toothed flange pad is tightly attached to the belleville spring, and the toothed flange pad is connected into the locking groove in a sleeving mode; according to the utility model, a locking anti-loosening mechanism with a function of continuously compensating torsion is designed, the toothed flange pad with a clockwise tooth surface is buckled on a locking surface to form an inverse scale principle, anticlockwise rotation is prevented, an anti-loosening effect is achieved, and meanwhile, counter-acting force is continuously provided for the toothed flange pad through the belleville spring, so that the anti-loosening effect is achieved. Therefore, after the bolt is locked, even if the bolt deforms in operation load, a counter-acting force is always generated to buckle the toothed flange surface and the locking surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking anti-loose mechanism technical field, especially in a kind of locking anti-loose mechanism of continuous compensation torsion. BACKGROUND

[0002] Air suspension system is an advanced vehicle suspension system, it is by using air compressor, air tank, control unit, air spring and height sensor etc., for vehicle provides height adjustment and better ride comfort, in this system, locking bolt mechanism plays a key role, ensure the stability and safety of suspension system, air suspension locking common bolt mechanism on the market has the following several categories: there is non-metal insert nut, nut plus nylon, principle is to use the friction of nylon and bolt, with two basically no anti-loose effect, suitable for small fastener use bearing;There is nut punch three-point thread deformation, rely on deformation and bolt friction of nut to prevent loosening, this anti-loose is used more in the market, and the anti-loose effect is better than non-metal insert nut, but anti-loose nut uses 1 time, anti-loose drops once, can be disassembled about 5 times;Slot nut on the market also has many, bolt hole, rely on positioning pin to prevent nut from retreating, anti-loose effect is very good, the shortcoming is that nut and bolt pin hole are not in line, how all have an angle, cannot reach ideal locking torque, applicable to the product of which torque requirement is not high;

[0003] Flange locking nut, double nut and other anti-loose devices are used on heavy truck and trailer air suspension, especially for the air suspension system of trailer, when facing the challenge of long-term heavy load, driving on bumpy and off-road and other harsh road conditions, its requirement for locking anti-loose is particularly strict. In such an environment, metal parts not only have to bear huge load, but also have to cope with continuous vibration and impact, which undoubtedly aggravates the risk of metal fatigue, deformation and wear, so how to ensure that the locking bolt mechanism in air suspension system can maintain its locking anti-loose ability for a long time has become a technical problem to be solved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of locking anti-loose mechanism of continuous compensation torsion to solve the problems in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of locking anti-loose mechanism of continuous compensation torsion, including suspension shell, locking mechanism is arranged on the suspension shell, locking mechanism is composed of nut, butterfly spring and toothed flange pad, locking groove is formed on the one side outer wall of nut, butterfly spring is sleeved on locking groove, toothed flange pad is tightly attached on butterfly spring, and toothed flange pad is sleeved in locking groove.

[0006] As a further technical scheme of the utility model, the one side outer wall of the nut is provided with a locking seat, and the locking seat is provided with an opening.

[0007] As a further technical scheme of the utility model, the one side outer wall of the suspension shell is provided with a locking surface.

[0008] As a further technical scheme of the utility model, the one side outer wall of the toothed flange pad is provided with a tooth surface, and the tooth surface is tightly attached to the locking surface.

[0009] As a further technical scheme of the utility model, the one side outer wall of the suspension shell is provided with a second through hole corresponding to the position of the locking mechanism, and the other side outer wall of the suspension shell is provided with a first through hole corresponding to the position of the second through hole.

[0010] As a further technical scheme of the utility model, the first through hole is sleeved with a bolt, the bolt is sleeved in the second through hole, and the other end of the bolt is threadedly connected to the nut.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the locking and anti-loosening mechanism with the continuous compensation torque function, the toothed flange pad with the clockwise tooth surface is buckled on the locking surface to form the inverse scale principle, prevent counterclockwise rotation, play the anti-loosening effect, the butterfly spring continuously provides the reaction force to the toothed flange pad, even if the bolt is deformed in the running load after locking, there is always a reaction force to buckle the toothed flange surface and the locking surface, one end of the nut adopts the opening locking and anti-loosening structure, utilizes the thread deformation, increases the friction force when locking the bolt, and further improves the locking and anti-loosening effect. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure explosion drawing of the utility model;

[0015] Figure 3 It is the three-dimensional structure schematic diagram of the locking mechanism of the utility model;

[0016] Figure 4 It is the structure explosion drawing of the locking mechanism of the utility model.

[0017] Fig. 1, hanging shell; 2, first through hole; 3, locking surface; 4, second through hole; 5, bolt; 6, locking mechanism; 61, nut; 62, locking groove; 63, butterfly spring; 64, toothed flange pad; 65, tooth surface; 66, locking seat; 67, opening. DETAILED DESCRIPTION

[0018] In order to make the purpose technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to the drawings Figure 1 - the drawings Figure 4 An embodiment provided by the utility model: a locking anti-loose mechanism for continuously compensating torsion force, comprising a hanging shell 1, the hanging shell 1 is provided with a locking mechanism 6, the locking mechanism 6 is composed of a nut 61, a butterfly spring 63 and a toothed flange pad 64, the one side outer wall of the nut 61 is provided with a locking groove 62, the locking groove 62 is sleeved with the butterfly spring 63, the butterfly spring 63 is tightly attached with the toothed flange pad 64, and the toothed flange pad 64 is sleeved in the locking groove 62; the one side outer wall of the nut 61 is provided with a locking seat 66, the locking seat 66 is provided with an opening 67, the opening 67 is used for locking the bolt 5 by thread deformation to increase friction and further improve the anti-loose locking effect; the one side outer wall of the hanging shell 1 is provided with a locking surface 3, the locking surface 3 is used for cooperating with the toothed flange pad 64; the one side outer wall of the toothed flange pad 64 is provided with a tooth surface 65, and the tooth surface 65 is tightly attached to the locking surface 3, the tooth surface 65 is buckled on the locking surface 3 to form the principle of inverse scales, prevent counterclockwise rotation and play the anti-loose role; the position corresponding to the locking mechanism 6 of the one side outer wall of the hanging shell 1 is provided with a second through hole 4, and the position corresponding to the second through hole 4 of the other side outer wall of the hanging shell 1 is provided with a first through hole 2; the first through hole 2 is sleeved with the bolt 5, and the bolt 5 is sleeved in the second through hole 4, the other end of the bolt 5 is threadedly connected to the nut 61, and the first through hole 2 and the second through hole 4 are used for installing the bolt 5.

[0020] Working principle: when the bolt 5 is sequentially threaded through the first through hole 2 and the second through hole 4 on the suspension shell 1, the locking mechanism 6 is installed at the other end of the bolt 5, the nut 61 is installed on the bolt 5 and is tightened, the clockwise tooth surface 65 on the toothed flange pad 64 is buckled on the locking surface 3 during use, forming the inverse scale principle, preventing counterclockwise rotation, playing the anti-loose role, at the same time, the butterfly spring 63 continuously provides a counter force to the toothed flange pad 64 through the locking groove 62, so that the bolt 5 is locked and deformed in the running load, the tooth surface 65 is buckled with the locking surface 3 all the time, the locking seat 66 at one end of the nut 61 is provided with an opening 67, the friction force is increased when the bolt 5 is locked by using thread deformation, and the anti-loose locking effect is further improved.

[0021] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separated, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to the actual needs. Those skilled in the art can understand and implement without creative labor.

[0023] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the present application.

Claims

1. A locking anti-loosening mechanism that continuously compensates for torsion, comprising a suspension housing (1), characterized in that: The locking mechanism (6) is arranged on the suspension shell (1), and is composed of a nut (61), a butterfly spring (63) and a toothed flange pad (64).

2. A lock washer according to claim 1, wherein: The locking seat (66) is provided on one side of the outer wall of the nut (61), and the opening (67) is arranged on the locking seat (66).

3. A lock washer according to claim 1, wherein: The locking surface (3) is arranged on one side of the outer wall of the suspension shell (1).

4. A lock washer according to claim 1, wherein: The tooth surface (65) is arranged on one side of the outer wall of the toothed flange pad (64), and the tooth surface (65) is tightly attached to the locking surface (3).

5. A lock washer according to claim 1, wherein: The second through hole (4) is arranged on one side of the outer wall of the suspension shell (1) corresponding to the position of the locking mechanism (6), and the first through hole (2) is arranged on the other side of the outer wall of the suspension shell (1) corresponding to the position of the second through hole (4).

6. A lock washer according to claim 5, wherein: The bolt (5) is sleeved in the first through hole (2) and the second through hole (4), and the other end of the bolt (5) is threadedly connected to the nut (61).

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