CN216554873U

CN216554873U - Locking nut with high stability for automobile steering pull rod

Info

Publication number: CN216554873U
Application number: CN202122838779.2U
Authority: CN
Inventors: 俞爱忠; 吴勤华
Original assignee: Jiaxing Huayi Technology Co ltd
Current assignee: Jiaxing Huayi Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the field of locking nuts, in particular to a high-stability locking nut for an automobile steering pull rod, which comprises a locking nut body, wherein a placing groove is connected inside the locking nut body, a connecting ring is connected inside a locking ring, a clamping ring is connected on the surface of an elastic ring, a clamping groove is connected on the surface of a spring clamping block, the connecting ring can be inwards shrunk through the locking ring, the friction between a threaded hole and a screw rod is increased, so that the anti-loose and anti-return effect is achieved, after the locking ring is locked through a screw, the locking nut body and the locking ring are connected, the locking ring is prevented from being loosened and losing the locking effect under the vibration condition, the self-locking capability and the anti-loose effect of the nut are improved, an internal plug-in piece is enabled to clamp the distance between threads on the screw rod through the clamping ring is extruded through the clamping ring, so that a locking part achieves the anti-loose and anti-return effect, and the overall stability of the locking nut body is improved, simple structure, locking non return is effectual.

Description

Locking nut with high stability for automobile steering pull rod

Technical Field

The utility model relates to the technical field of locking nuts, in particular to a locking nut with high stability for an automobile steering pull rod.

Background

The locking nut is widely applied to the industries of machinery and the like, and the working principle of the locking nut is that the self-locking is carried out by adopting the friction force between the nut and a bolt. But the reliability of such self-locking is reduced in dynamic loads. In some important occasions, some anti-loose measures can be taken, and the working principle of the nut which ensures the locking reliability of the nut is self-locked by adopting the friction force between the nut and the bolt. But the reliability of such self-locking is reduced in dynamic loads. In some important occasions, some anti-loosening measures can be taken to ensure the locking reliability of the nut, the locknut is one of the anti-loosening measures, the quality of the anti-loosening effect of the locknut mainly depends on the interaction force between the nut and the meshed threads of the bolt, and various ways of improving the interaction force between the meshed threads are provided, such as structural improvement of the nut threads, nylon roughening of the nylon nut, surface treatment of the threads and the like.

There are the following problems: the steering linkage is the important part in the car steering mechanism, it directly influences the stability of car manipulation, the security of operation, so lock nut's on the steering linkage firm stability is very important, current lock nut simple structure, locking effect is poor, at the in-process of traveling, the car can appear frequently vibrations and cause lock nut's not hard up easily, the influence safety of traveling, current lock nut's anti loosening structure is comparatively complicated moreover, it is comparatively troublesome to install, it is not convenient to operate, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-stability lock nut for an automobile steering pull rod.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-stability locking nut for an automobile steering rod comprises a locking nut body, wherein a boss is connected to the surface of the locking nut body, a second locking groove is connected to the inside of the boss, a placing groove is connected to the inside of the locking nut body, a locking ring is connected to the inside of the placing groove, a first locking groove is connected to the top of the locking ring, a screw is connected to one side of the inside of the locking ring, a connecting ring is connected to the inside of the locking ring, a threaded hole is connected to the inside of the connecting ring, a locking part is connected to the bottom of the locking nut body, a nylon ring is connected to the bottom of the locking part, anti-skid threads are connected to the bottom of the nylon ring, an elastic ring is connected to the inside of the locking part, an elastic ring plug-in component is connected to the inside of the elastic ring, a clamping ring plug-in component is connected to the surface of the elastic ring, and a buffer buckle is connected to one side of the clamping ring, the other side of snap ring is connected with the dead lever, the internal connection of dead lever has the spring fixture block, the surface of spring fixture block is connected with the draw-in groove.

As a further description of the above technical solution:

the boss is fixedly connected with the locking nut body, the second locking grooves are fixedly connected with the boss, the number of the second locking grooves is four, and the placing grooves are in sleeve joint with the locking nut body.

As a further description of the above technical solution:

the placing groove is circular, the locking ring is sleeved with the placing groove, the first locking grooves are sleeved with the locking ring, the number of the first locking grooves is four, and the screws are movably connected with the locking ring.

As a further description of the above technical solution:

the screw is sleeved with the locking nut main body, the number of the screws is two, the connecting ring is in threaded connection with the locking ring, the connecting ring is located at the center line position of the locking nut main body, and the threaded hole is sleeved with the connecting ring.

As a further description of the above technical solution:

the anti-skid nylon lock is characterized in that a notch is formed in the connecting ring, the locking portion is fixedly connected with the locking nut body, the locking portion and the locking nut body are located on the same central line, the nylon ring is in adhesive connection with the locking portion, a thread groove is formed in the nylon ring, and the anti-skid threads are fixedly connected with the nylon ring.

As a further description of the above technical solution:

the elastic ring is fixedly connected with the locking part, the elastic ring is positioned on the horizontal central line of the locking part, the plug-in unit is fixedly connected with the elastic ring, and the clamping ring is sleeved with the elastic ring.

As a further description of the above technical solution:

the buffer buckle is fixedly connected with the snap ring, the buffer buckle is provided with two groups, the fixed rod is fixedly connected with the snap ring, the spring fixture block is sleeved with the fixed rod, the clamping groove is movably connected with the spring fixture block, the clamping groove is sleeved with the fixed rod, the clamping groove is sleeved with the locking nut main body, and the clamping grooves are provided with four groups.

The utility model has the following beneficial effects: the locking ring can be enabled to contract inwards through the locking ring, friction between the threaded hole and the screw rod is increased, and therefore the anti-loosening and non-return effect is achieved, after the locking ring is locked through the screw, the locking nut main body and the locking ring are connected together, the situation that under the vibration condition is avoided, the locking ring is not loosened, the locking effect is lost, the self-locking capacity and the anti-loosening effect of the nut are improved, the notch is formed in the locking ring, the problem that the locking ring is damaged due to excessive deformation is avoided, the service life is prolonged, the elastic ring is extruded through the clamping ring, the internal plug-in is clamped at the distance between the threads on the screw rod, the locking portion achieves the anti-loosening and non-return effect, the overall stability of the locking nut main body is improved, the clamping ring and the locking nut main body are convenient to install and detach, the operation is more convenient, the structure is simple, and the anti-loosening and non-return effect is good.

Drawings

FIG. 1 is a schematic perspective view of a high stability lock nut for a steering linkage of an automobile according to the present invention;

FIG. 2 is a schematic sectional view of a high stability lock nut for a steering linkage of an automobile according to the present invention;

FIG. 3 is a schematic sectional view of a high stability lock nut for a steering linkage of an automobile, taken from above;

fig. 4 is a schematic bottom view of a high-stability lock nut for an automotive tie rod according to the present invention.

Illustration of the drawings:

1. a lock nut body; 2. locking a ring; 3. a first locking groove; 4. a connecting ring; 5. a second locking groove; 6. a boss; 7. a threaded hole; 8. a card slot; 9. an elastic ring; 10. fixing the rod; 11. a spring clamping block; 12. a placement groove; 13. a screw; 14. a snap ring; 15. a locking portion; 16. a nylon ring; 17. a buffer buckle; 18. anti-skid lines; 19. and (4) inserting the components.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and as meaning, for example, either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a high-stability locking nut for an automobile steering rod comprises a locking nut body 1, wherein a boss 6 is connected to the surface of the locking nut body 1, a second locking groove 5 is connected to the inside of the boss 6, a placing groove 12 is connected to the inside of the locking nut body 1, a locking ring 2 is connected to the inside of the placing groove 12, a first locking groove 3 is connected to the top of the locking ring 2, a screw 13 is connected to one side of the inside of the locking ring 2, a connecting ring 4 is connected to the inside of the locking ring 2, a threaded hole 7 is connected to the inside of the connecting ring 4, a locking part 15 is connected to the bottom of the locking nut body 1, a nylon ring 16 is connected to the bottom of the locking part 15, an anti-skid thread 18 is connected to the bottom of the nylon ring 16, an elastic ring 9 is connected to the inside of the locking part 15, an insert 19 is connected to the inside of the elastic ring 9, a clamping ring 14 is connected to the surface of the elastic ring 9, and a buffer buckle 17 is connected to one side of the clamping ring 14, the other side of the snap ring 14 is connected with a fixing rod 10, a spring clamping block 11 is connected inside the fixing rod 10, and a clamping groove 8 is connected on the surface of the spring clamping block 11.

The boss 6 is fixedly connected with the lock nut body 1, the second locking groove 5 is fixedly connected with the boss 6, the second locking groove 5 is provided with four groups, the placing groove 12 is sleeved with the lock nut body 1, the lock nut body 1 is convenient to twist by a screwing tool through the connection of the boss 6 and the second locking groove 5, the stress area and the stress point are increased, the lock nut body 1 is more quickly screwed, the locking ring 2 is convenient to lock the connecting ring 4 through the placing groove 12, the stability of the lock nut body 1 is improved, the placing groove 12 is in a circular ring shape, the locking ring 2 is sleeved with the placing groove 12, the first locking groove 3 is sleeved with the locking ring 2, the first locking groove 3 is provided with four groups, the screws 13 are movably connected with the locking ring 2, the locking ring 2 can be twisted by the screwing tool through the first locking groove 3, the installation is convenient, after the locking ring 2 is locked by the screws 13, the locking nut main body 1 is connected with the locking ring 2, the locking ring 2 is prevented from loosening and losing the locking effect under the vibration condition, the self-locking capability and the anti-loosening effect of the nut are improved, the connecting ring 4 can be inwards contracted through the locking ring 2, the friction between the threaded hole 7 and the screw rod is increased, and the anti-loosening and non-return effects are achieved, the screws 13 are sleeved with the locking nut main body 1, two groups of screws 13 are arranged, the connecting ring 4 is in threaded connection with the locking ring 2, the connecting ring 4 is positioned at the central line position of the locking nut main body 1, the threaded hole 7 is sleeved with the connecting ring 4, the connecting ring 4 is in threaded connection with the locking ring 2, the mounting and the dismounting are convenient, the connecting ring 4 is provided with a notch, the damage of the connecting ring 4 caused by excessive deformation is avoided, the service life is prolonged, the connecting effect with the bolt can be ensured through the threaded hole 7, and the connecting ring 4 is provided with a notch, the locking part 15 is fixedly connected with the locking nut body 1, the locking part 15 and the locking nut body 1 are positioned on the same central line, the nylon ring 16 is in adhesive connection with the locking part 15, a thread groove is arranged in the nylon ring 16, the anti-skid veins 18 are fixedly connected with the nylon ring 16, the anti-skid and non-return effects of the locking nut body 1 can be improved again through the locking part 15, the locking effect of both ends of the locking nut body 1 is ensured, the friction force between the locking part 15 and a bolt is increased through the nylon ring 16, the stabilizing effect is improved, the locking nut body 1 and a connecting part can be prevented from sliding through the anti-skid veins 18, the stability is improved, the elastic ring 9 is fixedly connected with the locking part 15, the elastic ring 9 is positioned on the horizontal central line of the locking part 15, the plug-in 19 is fixedly connected with the elastic ring 9, the snap ring 14 is sleeved with the elastic ring 9, the elastic ring 9 is extruded through the snap-in snap-connection through the snap-in plug-in 19, the distance between threads on the screw rod is clamped, thereby make locking portion 15 play the effect of locking non return, improve the whole steadiness of lock nut main part 1, 17 and snap ring 14 fixed connection are detained in the buffering, 17 has two sets ofly, dead lever 10 and snap ring 14 fixed connection, spring fixture block 11 cup joints with dead lever 10, draw-in groove 8 and spring fixture block 11 swing joint, draw-in groove 8 cup joints with dead lever 10, draw-in groove 8 cup joints with lock nut main part 1, draw-in groove 8 has four groups, it dismantles snap ring 14 to be convenient for through buffering knot 17, and work efficiency is improved, guarantee the steady of snap ring 14 use through dead lever 10, through the joint of spring fixture block 11 with draw-in groove 8, thereby be convenient for snap ring 14 and lock nut main part 1's installation and dismantlement, and the operation is more convenient, moreover, the steam generator is simple in structure, locking non return is effectual, and the whole steadiness of lock nut main part 1 is improved.

The working principle and the process are as follows: when in use, the lock nut body 1 is arranged on a bolt of a steering pull rod, the locking ring 2 is screwed towards one side, the connecting ring 4 is contracted inwards under the action of an incision, the gap between the threaded hole 7 on the connecting ring 4 and a screw rod is reduced, the friction between the threaded hole 7 and the screw rod is increased, and therefore, the anti-loosening and anti-return effects are achieved, after the locking ring 2 is locked, the lock nut body 1 is connected with the locking ring 2 through the screw 13, the phenomenon that the locking ring 2 loosens and loses the locking effect under the condition of vibration is avoided, the self-locking capability and the anti-loosening effect of the nut are improved, the clamping ring 14 is pulled open, the clamping ring 14 is clamped on the elastic ring 9 on the locking part 15, the fixed rod 10 enters the clamping groove 8 under the action of the spring on the spring clamping block 11, the clamping ring 14 is fixed with the lock nut body 1, and the plug-in 19 inside the elastic ring 9 is under the action of the clamping ring 14, carry out the joint to the distance between the screw thread on the screw rod to make locking portion 15 play locking non return's effect, improve the whole steadiness of lock nut main part 1, the 16 increase of nylon ring locking portion 15 and the frictional force of bolt improve stable effect, when needing to dismantle, detain 17 through the buffering with the instrument and pull down snap ring 14 and can dismantle lock nut main part 1, it is more convenient to operate, simple structure, and locking non return is effectual.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a lock nut that steadiness is high for car steering linkage, includes lock nut main part (1), its characterized in that: the surface of the locking nut body (1) is connected with a boss (6), the interior of the boss (6) is connected with a second locking groove (5), the interior of the locking nut body (1) is connected with a placing groove (12), the interior of the placing groove (12) is connected with a locking ring (2), the top of the locking ring (2) is connected with a first locking groove (3), one side of the interior of the locking ring (2) is connected with a screw (13), the interior of the locking ring (2) is connected with a connecting ring (4), the interior of the connecting ring (4) is connected with a threaded hole (7), the bottom of the locking nut body (1) is connected with a locking part (15), the bottom of the locking part (15) is connected with a nylon ring (16), the bottom of the nylon ring (16) is connected with anti-skid threads (18), the interior of the locking part (15) is connected with an elastic ring (9), the utility model discloses a spring ring, including elastic ring (9), the internal connection of elastic ring (9) has plug-in components (19), the surface of elastic ring (9) is connected with snap ring (14), one side of snap ring (14) is connected with buffering knot (17), the opposite side of snap ring (14) is connected with dead lever (10), the internal connection of dead lever (10) has spring fixture block (11), the surface of spring fixture block (11) is connected with draw-in groove (8).

2. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: boss (6) and lock nut main part (1) fixed connection, second locking groove (5) and boss (6) fixed connection, second locking groove (5) have four groups, standing groove (12) cup joint with lock nut main part (1).

3. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: the placing groove (12) is circular ring shaped, the locking ring (2) is sleeved with the placing groove (12), the first locking groove (3) is sleeved with the locking ring (2), the first locking groove (3) is provided with four groups, and the screw (13) is movably connected with the locking ring (2).

4. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: the screw (13) is sleeved with the lock nut body (1), the number of the screws (13) is two, the connecting ring (4) is in threaded connection with the locking ring (2), the connecting ring (4) is located on the central line of the lock nut body (1), and the threaded hole (7) is sleeved with the connecting ring (4).

5. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: the anti-skid lock is characterized in that a notch is formed in the connecting ring (4), the locking portion (15) is fixedly connected with the locking nut body (1), the locking portion (15) and the locking nut body (1) are located on the same central line, the nylon ring (16) is in adhesive connection with the locking portion (15), a thread groove is formed in the nylon ring (16), and the anti-skid threads (18) are fixedly connected with the nylon ring (16).

6. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: elastic ring (9) and locking portion (15) fixed connection, elastic ring (9) are in on the horizontal central line of locking portion (15), plug-in components (19) and elastic ring (9) fixed connection, snap ring (14) cup joint with elastic ring (9).

7. The high-stability lock nut for the steering linkage of the automobile according to claim 1, wherein: buffer buckle (17) and snap ring (14) fixed connection, buffer buckle (17) have two sets ofly, dead lever (10) and snap ring (14) fixed connection, spring fixture block (11) cup joint with dead lever (10), draw-in groove (8) and spring fixture block (11) swing joint, draw-in groove (8) cup joint with dead lever (10), draw-in groove (8) cup joint with lock nut main part (1), draw-in groove (8) have four groups.