Anti-slip high-pressure oil pipe locking nut

Abstract

The utility model discloses an anti-slip high-pressure oil pipe locking nut, which relates to the technical field of nuts and comprises a nut assembly, the bottom end of the nut assembly is sleeved with an anti-slip component and a locking component, and the anti-slip component is positioned at the bottom of the locking component. Through the arrangement of the damping strips, the friction force can be improved, the nut is prevented from loosening, meanwhile, through the arrangement of the anti-slipping assembly and the locking assembly, after the nut is screwed down, the rotating ring is rotated to push the pressing ring to be pressed tightly, when the pressing ring moves, the second oblique teeth slide through the corresponding first oblique teeth respectively till the pressing ring is clamped tightly, and then the nut is locked. The second helical teeth are clamped with the corresponding first helical teeth, so that the multiple clamping strips are pressed and cannot be loosened, the friction force can be further increased, the nut is further prevented from slipping, and due to the arrangement of double slipping prevention, the nut is locked, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nuts, in particular to a slip-proof high-pressure oil pipe locking nut. Background Art

[0002] High-pressure fuel lines are part of the high-pressure oil circuit. They must withstand a certain level of oil pressure and possess a certain level of fatigue resistance to ensure a tight seal. These automotive high-pressure fuel lines are primarily found in high-pressure injection diesel engines and high-pressure direct-injection gasoline engines. They must withstand the oil pressure required during engine operation. During connection, they are connected to the screw on the engine via a nut.

[0003] However, the existing nuts are easily loosened due to vibration during vehicle driving, which affects the driving safety of the vehicle.

[0004] Therefore, it is necessary to invent an anti-slip high-pressure oil pipe locking nut to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-pressure oil pipe locking nut that prevents slipping, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-slip high-pressure oil pipe locking nut, comprising a nut assembly, the bottom end of the nut assembly being sleeved with an anti-slip component and a locking component, and the anti-slip component being located at the bottom of the locking component;

[0007] The nut assembly includes a nut body, and the bottom end portion of the outer side wall of the nut body is provided with a thread;

[0008] The anti-slip assembly includes a pressure ring, which is movably sleeved on the bottom end of the nut body;

[0009] The locking assembly includes a swivel, and the inner side wall of the swivel is threadedly connected to the bottom end of the outer side wall of the nut body, and the outer side wall of the swivel is arranged in a regular hexagon.

[0010] Preferably, a plurality of damping strips are integrally formed on the bottom end of the nut body, and the plurality of damping strips are distributed in a ring array.

[0011] Preferably, a plurality of sliding grooves are provided at the bottom end of the outer side wall of the nut body, and the plurality of sliding grooves are distributed in a ring array.

[0012] Preferably, the bottom of the chute is integrally formed with a plurality of first oblique teeth distributed at equal intervals, and the first oblique teeth are arranged to be inclined downward.

[0013] Preferably, a plurality of clips are fixedly provided at the bottom end of the pressure ring, and the plurality of clips are distributed in a ring array, and the clips are arranged obliquely.

[0014] Preferably, the inner side wall of the pressure ring is fixedly provided with second oblique teeth corresponding to the multiple sliding grooves one by one, and the second oblique teeth are arranged to be inclined upward, and the second oblique teeth are adapted to the first oblique teeth.

[0015] Preferably, an extension ring is integrally formed around the bottom end of the rotating ring, and a plurality of slots distributed in a ring array are formed on the bottom end of the extension ring, and the slots are inclined.

[0016] The technical effects and advantages of this utility model are:

[0017] The utility model can increase the friction force and prevent the nut from loosening by setting a plurality of damping strips. At the same time, by setting the anti-slip assembly and the locking assembly, after the nut is tightened, the swivel is rotated to push the pressure ring to be pressed. When the pressure ring moves, the plurality of second bevel teeth respectively slide over the corresponding plurality of first bevel teeth until the pressure ring is clamped. The second bevel teeth are clamped with a corresponding one of the first bevel teeth, so that the plurality of clamping strips are compressed and will not loosen, thereby further increasing the friction force and further preventing the nut from slipping. The double anti-slip setting ensures that the nut is locked and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the nut assembly structure of the present utility model.

[0020] Figure 3 For the utility model Figure 2 A magnified schematic diagram of the structure at point A.

[0021] Figure 4 This is a schematic structural diagram of the anti-slip assembly of the utility model.

[0022] Figure 5 This is a schematic structural diagram of the locking assembly of the present utility model.

[0023] In the figure: 1. Nut assembly; 2. Anti-slip assembly; 3. Locking assembly; 101. Nut body; 102. Slide groove; 103. First bevel tooth; 104. Damping strip; 201. Pressing ring; 202. Clipping strip; 203. Second bevel tooth; 301. Swivel; 302. Extension ring; 303. Slot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides Figure 1-5 The anti-slip high-pressure oil pipe locking nut shown includes a nut assembly 1, the bottom end of the nut assembly 1 is sleeved with an anti-slip component 2 and a locking component 3, and the anti-slip component 2 is located at the bottom of the locking component 3.

[0026] Furthermore, the nut assembly 1 includes a nut body 101, and the bottom end portion of the outer wall of the nut body 101 is provided with a thread, and the bottom end of the nut body 101 is integrally provided with a plurality of damping strips 104, and the plurality of damping strips 104 are distributed in a ring array. By setting the plurality of damping strips 104, the friction force can be increased to prevent the nut from loosening, and the bottom end of the outer wall of the nut body 101 is provided with a plurality of slide grooves 102, and the plurality of slide grooves 102 are distributed in a ring array, and the bottom of the slide groove 102 is integrally provided with a plurality of first bevel teeth 103 distributed at equal intervals, and the first bevel teeth 103 are arranged to be inclined downward.

[0027] The anti-slip component 2 includes a pressure ring 201, which is movably sleeved on the bottom end of the nut body 101. A plurality of clips 202 are fixedly provided on the bottom end of the pressure ring 201, and the plurality of clips 202 are distributed in a ring array. The clips 202 are tilted, and the tilt direction of the clips 202 is opposite to the tightening direction of the nut. The inner side wall of the pressure ring 201 is fixed with second bevel teeth 203 corresponding to the plurality of slide grooves 102, and the second bevel teeth 203 are tilted upward, and the second bevel teeth 203 are adapted to the first bevel teeth 103.

[0028] The locking assembly 3 includes a swivel 301, and the inner side wall of the swivel 301 is threadedly connected to the bottom end of the outer side wall of the nut body 101. The outer side wall of the swivel 301 is set in a regular hexagon. The bottom end of the swivel 301 is surrounded by an extension ring 302 formed in one piece. Through the settings of the anti-slip assembly 2 and the locking assembly 3, after the nut is tightened, the swivel 301 is rotated to make the swivel 301 push the pressure ring 201 to be pressed. When the pressure ring 201 moves, the multiple second bevel teeth 203 respectively slide over the corresponding multiple first bevel teeth 103 until the pressure ring After 201 is clamped, the second bevel tooth 203 is clamped with the corresponding first bevel tooth 103, so that the multiple clamping strips 202 are pressed tightly and will not loosen, thereby further increasing the friction and further preventing the nut from slipping. The double anti-slip setting ensures that the nut is locked and improves safety. The bottom end of the extension ring 302 is provided with a plurality of slots 303 distributed in a ring array, and the slots 303 are inclined, and the inclination direction is opposite to the tightening direction. The multiple slots 303 can increase the friction and enable the swivel 301 to press the pressure ring 201.

[0029] Working principle of this utility model:

[0030] When in use, first tighten the nut, then rotate the swivel 301 and move it toward the pressure ring 201. The extension ring 302 pushes the pressure ring 201 to slide downward, and at the same time, the corresponding second bevel teeth 203 slide over the corresponding multiple first bevel teeth 103. When the multiple clamping strips 202 are pressed tightly, the second bevel teeth 203 are locked with the corresponding first bevel teeth 103.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Anti-slip high-pressure oil pipe locking nut, characterized by: The invention comprises a nut assembly (1), wherein the bottom end of the nut assembly (1) is sleeved with an anti-slip component (2) and a locking component (3), and the anti-slip component (2) is located at the bottom of the locking component (3); The nut assembly (1) comprises a nut body (101), and a bottom end portion of an outer side wall of the nut body (101) is provided with a thread; The anti-slip assembly (2) comprises a pressure ring (201), and the pressure ring (201) is movably sleeved on the bottom end of the nut body (101); The locking assembly (3) comprises a rotating ring (301), wherein the inner side wall of the rotating ring (301) is threadedly connected to the bottom end of the outer side wall of the nut body (101), and the outer side wall of the rotating ring (301) is arranged in a regular hexagonal shape.

2. The anti-slip high-pressure oil pipe locking nut according to claim 1, characterized in that: The bottom end of the nut body (101) is integrally formed with a plurality of damping strips (104), and the plurality of damping strips (104) are distributed in a ring array.

3. The anti-slip high-pressure oil pipe locking nut according to claim 2, characterized in that: A plurality of sliding grooves (102) are provided at the bottom end of the outer wall of the nut body (101), and the plurality of sliding grooves (102) are distributed in a ring array.

4. The anti-slip high-pressure oil pipe locking nut according to claim 3, characterized in that: The bottom of the chute (102) is integrally formed with a plurality of first oblique teeth (103) distributed at equal intervals, and the first oblique teeth (103) are arranged to be inclined downward.

5. The anti-slip high-pressure oil pipe locking nut according to claim 4, characterized in that: A plurality of clamping strips (202) are fixedly arranged at the bottom end of the pressure ring (201), and the plurality of clamping strips (202) are distributed in a ring array, and the clamping strips (202) are arranged obliquely.

6. The anti-slip high-pressure oil pipe locking nut according to claim 5, characterized in that: The inner side wall of the pressure ring (201) is fixedly provided with second oblique teeth (203) corresponding one to one with the plurality of slide grooves (102), and the second oblique teeth (203) are arranged to be inclined upward, and the second oblique teeth (203) are adapted to the first oblique teeth (103).

7. The anti-slip high-pressure oil pipe locking nut according to claim 6, characterized in that: An extension ring (302) is integrally formed around the bottom end of the rotating ring (301), and a plurality of slots (303) distributed in a ring array are provided at the bottom end of the extension ring (302), and the slots (303) are arranged obliquely.

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