Automobile torsion control arm

Abstract

The utility model discloses an automobile torsion control arm which comprises an arm body and a shaft sleeve. A mounting cavity is formed in the shaft sleeve, a plurality of notches communicated with the mounting cavity are circumferentially distributed in the inner circumferential wall of the shaft sleeve at equal intervals, fixing pieces corresponding to the notches are fixedly arranged in the mounting cavity, the fixing pieces and the corresponding notches can form ball grooves, balls are rotationally mounted in the ball grooves, and the balls extend out of the ball grooves through the corresponding notches; through the arrangement of the notches, the fixing pieces, the balls and other components, self-lubrication can be achieved, the friction coefficient of the connecting positions of other components and the shaft sleeve is reduced, abrasion of the control arm is reduced, and the service life of the control arm is prolonged; and through the arrangement of a sliding groove, a sliding block, an adjusting groove and an adjusting piece, the control arm can effectively adapt to different use environments, and the universality of the control arm is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, especially to a torsion control arm of automobile. BACKGROUND

[0002] Suspension system is an important part of vehicle, and is crucial to driving stability and steering stability. Control arm is elastically connected with the vehicle body through ball joint or bushing to support and control the movement of the vehicle.

[0003] For example, the utility model discloses a high-life control arm, which is installed in the steering knuckle arm mounting hole through interference fit and press fitting of the outer tube of the bushing, can fix the control arm to the steering knuckle, effectively reduces the looseness and abnormal sound between the control arm and the steering knuckle, and makes the vehicle run more smoothly and comfortably, but such structure still has the following significant defects:

[0004] 1. With the increase of use time, the connection between the control arm and the vehicle body or the wheel will be worn, which will affect the service life of the control arm;

[0005] 2. The installation distance of the existing control arm is fixed, and cannot be adjusted according to the installation distance requirements of different vehicles, which leads to limited application range and poor universality. SUMMARY

[0006] The utility model aims at solving one of the technical problems in the prior art.

[0007] The application provides a torsion control arm of automobile, which comprises an arm body and a shaft sleeve.

[0008] Further, the fixing part comprises an elastic part and a fixing block, one end of the fixing block facing the corresponding ball is provided with a groove, the groove can form a ball groove with the corresponding slot, one end of the elastic part is pressed and fixed in the installation cavity, and the other end is pressed and fixed on the end of the corresponding fixing block away from the corresponding ball.

[0009] Further, the elastic part is a compression spring.

[0010] Further, the shaft sleeve is provided with an oil storage cavity, the oil storage cavity is filled with lubricating oil, and the oil storage cavity is connected with the plurality of slots through an oil outlet.

[0011] Further, the arm body can be divided into a main arm body and a branch arm body, the branch arm body is provided with a shaft sleeve, the main arm body is provided with a square sliding groove, the branch arm body is provided with a sliding block matched with the adjusting groove in sliding mode, and the branch arm body and the main arm body are fixedly connected through the adjusting member.

[0012] Further, the adjusting member comprises a fixing spring and an adjusting block, a plurality of adjusting grooves are equidistantly arranged on the branch arm body, the main arm body is provided with a mounting groove with a circular cross section, the adjusting block is slidably mounted in the mounting groove, and the adjusting block is inserted into any adjusting groove through the fixing spring;

[0013] Wherein, the adjusting block is provided with a pulling rod protruding into the mounting groove at an end away from the branch arm body.

[0014] Further, a spring block with a circular cross section is slidably mounted in the mounting groove, one end of the fixing spring is abutted on the spring block, the other end is abutted on the adjusting block, the main arm body is provided with a threaded hole communicated with the mounting groove, a threaded rod is screwedly mounted in the threaded hole, one end of the threaded rod is fixedly connected with the spring block, and the other end is fixedly connected with a rotating part;

[0015] Wherein, the spring block and the threaded rod are both provided with a clearance hole matched with the pulling rod in sliding mode.

[0016] Further, the rotating part and the pulling rod are both provided with anti-skid lines.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. Through the setting of the notch, the fixing member and the ball, self-lubrication can be realized, the friction coefficient of the connecting position of other components and the shaft sleeve is reduced, the abrasion of the control arm is reduced, and the service life of the control arm is prolonged.

[0019] 2. Through the setting of the sliding groove, the sliding block, the adjusting groove and the adjusting member, the control arm can adapt to different use environments, and the universality of the control arm is greatly increased. DRAWINGS

[0020] Figure 1 It is a structure schematic view of an automobile torsion control arm in the embodiment of the application;

[0021] Figure 2 It is a structure schematic view of an automobile torsion control arm in the embodiment of the application; Figure 1 It is a sectional structure schematic view along the A-A direction;

[0022] Figure 3 It is a sectional structure schematic view along the A-A direction; Figure 2 It is an enlarged structure schematic view of B in the middle;

[0023] Figure 4 It is an enlarged structure schematic view of B in the middle; Figure 1 It is a sectional structure schematic view along the C-C direction;

[0024] Figure 5 For Figure 4 Enlarged structural schematic view at D.

[0025] Reference signs

[0026] 1-arm body, 11-main arm body, 12-sub arm body, 13-sliding groove, 14-sliding block, 15-adjusting groove, 16-mounting groove, 2-bush, 21-mounting cavity, 22-slot, 23-fixing piece, 231-elastic piece, 232-fixing block, 24-roller groove, 25-roller, 26-oil storage cavity, 27-oil outlet, 28-oil filling port, 29-sealing cover, 3-adjusting piece, 31-fixing spring, 32-adjusting block, 33-pulling rod, 34-spring block, 35-threaded hole, 36-threaded rod, 37-rotation part, 38-clearance hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0028] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of a kind and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the front and rear associated objects are in an "or" relationship.

[0029] A kind of automobile torque control arm provided by the embodiments of the present application will be described in detail below with reference to the drawings, through specific embodiments and its application scene.

[0030] Embodiment 1:

[0031] As Figures 1 to 3 shown, the embodiments of the present application provide a kind of automobile torque control arm, including arm body 1 and bush 2;Bush 2 is equipped with mounting cavity 21, and the inner circumferential wall of bush 2 is circumferentially distributed with several slot 22 communicated with mounting cavity 21 at equal intervals, fixedly arranged with fixing piece 23 corresponding to slot 22 in mounting cavity 21, fixing piece 23 can be formed with roller groove 24 with corresponding slot 22, roller 25 is rotatably installed in roller groove 24, and roller 25 is partially extended from roller groove 24 through corresponding slot 22.

[0032] Further, the fixing member 23 comprises an elastic member 231 and a fixing block 232, the fixing block 232 is provided with a groove facing one end of the corresponding ball 25, the groove can form the ball groove 24 with the corresponding slot 22, one end of the elastic member 231 is abutted and fixed in the mounting cavity 21, and the other end is abutted and fixed at the end of the corresponding fixing block 232 away from the corresponding ball 25.

[0033] Further, the elastic member 231 is a compression spring.

[0034] Further, the shaft sleeve 2 is provided with an oil storage cavity 26, the oil storage cavity 26 is filled with lubricating oil, and is connected with the plurality of slots 22 through an oil outlet 27, and the top of the shaft sleeve 2 is provided with an oil filling port 28 connected with the oil storage cavity 26, and the outer surface of the oil filling port 28 is threadedly connected with a sealing cover 29.

[0035] In the embodiment of the application, since the above structure is adopted, the sealing cover 29 is unscrewed, the lubricating oil can be added to the oil storage cavity 26 through the oil filling port 28, and the added lubricating oil will flow to each ball 25 through the oil outlet 27, and through the arrangement of the compression spring, the compression spring can push the corresponding fixing block 232 and the corresponding slot 22 to form the ball groove 24, the ball 25 is rotatably installed in the ball groove 24, and the corresponding slot 22 is closed at the same time, and at this time, the lubricating oil will not leak out.

[0036] When the control arm is installed on the automobile, the shaft sleeve 2 is connected with other components on the automobile, such as a wheel or a vehicle body, the balls 25 installed on the inner circumferential wall of the shaft sleeve 2 will be in contact with the other components, when the other components rotate relative to the shaft sleeve 2, the other components will rub against the balls 25 to make them roll, and a small amount of lubricating oil will be brought out during the rolling of the balls 25, and will be applied to the connection between the other components and the shaft sleeve 2, so that self-lubrication is realized, and the friction coefficient of the connection between the other components and the shaft sleeve 2 is reduced, thereby reducing the wear of the control arm and prolonging the service life of the control arm.

[0037] Embodiment 2:

[0038] As shown in the drawings, Figure 4 and Figure 5 In the embodiment, in addition to the structural features of the foregoing embodiments, the arm body 1 can be divided into a main arm body 11 and a branch arm body 12, the shaft sleeve 2 is arranged on the branch arm body 12, the main arm body 11 is provided with a square sliding groove 13, the branch arm body 12 is provided with a sliding block 14 in sliding cooperation with the adjusting groove 15, and the branch arm body 12 and the main arm body 11 are fixedly connected through the adjusting member 3.

[0039] Further, the adjusting member 3 comprises a fixed spring 31 and an adjusting block 32, a plurality of adjusting grooves 15 are equidistantly arranged on the sub-arm body 12, a mounting groove 16 with a circular cross section is arranged on the main arm body 11, the adjusting block 32 is slidingly mounted in the mounting groove 16, and the fixed spring 31 can push the adjusting block 32 to be inserted into any adjusting groove 15; wherein, an end of the adjusting block 32 away from the sub-arm body 12 is provided with a pulling rod 33 extending into the mounting groove 16.

[0040] Further, a spring block 34 with a circular cross section is slidingly mounted in the mounting groove 16, one end of the fixed spring 31 abuts against the spring block 34, and the other end abuts against the adjusting block 32, a threaded hole 35 is arranged on the main arm body 11 and communicates with the mounting groove 16, a threaded rod 36 is screwedly mounted in the threaded hole 35, one end of the threaded rod 36 is fixedly connected with the spring block 34, and the other end is fixedly connected with a rotating part 37; wherein, the spring block 34 and the threaded rod 36 are both provided with a relief hole 38 slidingly matched with the pulling rod 33.

[0041] Further, the rotating part 37 and the pulling rod 33 are both provided with anti-skid lines.

[0042] In the embodiment of the application, since the above structure is adopted, when the installation distance of the control arm is insufficient during installation, the pulling rod 33 is pulled to make the adjusting block 32 slide towards the fixed spring 31, so that the adjusting block 32 is separated from the current adjusting groove 15 and the fixed spring 31 is compressed, then the sub-arm body 12 is pulled to make the sliding block 14 slide along the sliding groove 13 until the adjusting distance is appropriate, the pulling rod 33 is released, and under the action of the fixed spring 31, the adjusting block 32 is inserted into another adjusting groove 15, at this time, the adjustment of the control arm can be started, the control arm can effectively adapt to different use environments, and the universality of the control arm is greatly increased.

[0043] When the fixed spring 31 is used for a period of time, the rotating part 37 is rotated to drive the threaded rod 36 to rotate, the threaded hole 35 is threadedly matched with the threaded rod 36, the threaded rod 36 is driven to rotate to make the rotating part 37 and the spring block 34 slide towards the fixed spring 31, the fixed spring 31 is extruded, and the elastic attenuation of the fixed spring 31 due to long-term use can be compensated, so that the fixed spring 31 can always stably play a fixing role;

[0044] The rotating part 37 and the pulling rod 33 are both provided with anti-skid lines, so that when the rotating part 37 is rotated or the pulling rod 33 is pulled, the friction between the hands and the parts is increased, the hands are not easy to slip, and the operation can be more stably and labor-savingly completed.

[0045] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a", "comprising", or "includes a", does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus of the present embodiments are not limited by the order of the steps or the order of the components, as described in the examples, but can include performing the steps in different order, or performing the steps concurrently, or in reverse order, or omitting one or more steps, or adding one or more steps, or adding, omitting, or combining various features of the examples described. Also, features described in relation to one example can be combined in other examples.

[0046] The embodiments of the present application described above are merely illustrative, and the present application is not limited to the above-described specific embodiments, which are merely illustrative, but not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which are all within the protection of the present application.

Claims

1. A torque control arm for automobiles, comprising an arm body and a bushing, characterized in that, The bushing has an installation cavity. The inner circumferential wall of the bushing has several slots that communicate with the installation cavity at equal intervals. The installation cavity is fixed with a fastener corresponding to the slot. The fastener and the corresponding slot can form a ball groove. Balls are rotatably installed in the ball groove, and the balls extend out of the ball groove through the corresponding slot.

2. The automotive torque control arm according to claim 1, characterized in that, The fixing component includes an elastic element and a fixing block. The fixing block has a groove at one end facing the corresponding ball. The groove can form a ball groove with the corresponding slot. One end of the elastic element is pressed and fixed in the mounting cavity, and the other end is pressed and fixed at the end of the fixing block facing away from the corresponding ball.

3. The automotive torque control arm according to claim 2, characterized in that, The elastic element is a compression spring.

4. The automotive torque control arm according to claim 1, characterized in that, The bushing has an oil reservoir containing lubricating oil, which is connected to several slots through an oil outlet. The top of the bushing has an oil filling port connected to the oil reservoir, and a sealing cap is threaded onto the outer surface of the oil filling port.

5. The automotive torque control arm according to claim 1, characterized in that, The boom body can be divided into a main boom body and a secondary boom body. The secondary boom body is equipped with a bushing, the main boom body is equipped with a square sliding groove, and the secondary boom body is equipped with a sliding block that slides in conjunction with the adjustment groove. The secondary boom body and the main boom body can be fixedly connected by the adjustment component.

6. The automotive torque control arm according to claim 5, characterized in that, The adjusting component includes a fixed spring and an adjusting block. Several adjusting slots are provided at equal intervals on the split arm body, and a mounting slot with a circular cross-section is provided on the main arm body. An adjusting block is slidably installed in the mounting slot. The adjusting block can be pushed into any adjusting slot by the fixed spring. The adjusting block has a pull rod extending out of the mounting groove at the end away from the split arm.

7. The automotive torque control arm according to claim 6, characterized in that, A circular cross-section spring block is slidably installed in the mounting slot. One end of the fixed spring presses against the spring block, and the other end presses against the adjusting block. The main arm body is provided with a threaded hole that communicates with the mounting slot. A threaded rod is threadedly installed in the threaded hole. One end of the threaded rod is fixedly connected to the spring block, and the other end is fixedly connected to a rotating part. Both the spring block and the threaded rod are provided with clearance holes that slide with the pulling rod.

8. The automotive torque control arm according to claim 7, characterized in that, Both the rotating part and the pull rod are equipped with anti-slip textures.

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