Spherical shell structure for automobile steering knuckle

Abstract

The utility model relates to a spherical shell structure for an automobile steering knuckle, which aims at solving the technical problems that a whole ball head needs to be detached and a rubber cover is troublesome to replace when the rubber cover is damaged at present, and comprises a rubber sleeve, a connecting ring A and a connecting ring B, the connecting ring A and the connecting ring B are respectively arranged at two ends of the rubber sleeve; a rubber ring A is fixedly arranged at one end of the rubber sleeve, a clamping ring A is fixedly arranged on the outer side of the rubber ring A, an annular groove A is formed in the inner side of the connecting ring A, a baffle ring A is fixedly arranged on the inner ring wall of the annular groove A, and the clamping ring A is clamped in the annular groove A; a connecting ring A is fixedly arranged at one end of the rubber sleeve, a rubber ring B is fixedly arranged at the other end of the rubber sleeve, a clamping ring B is fixedly arranged on the outer side of the rubber ring B, an annular groove B is formed in the inner side of the connecting ring B, a baffle ring B is fixedly arranged on the inner ring wall of the annular groove B, and the clamping ring B is clamped in the annular groove B. The two ends of the rubber sleeve are fixed to the connecting ring A and the connecting ring B in a clamped mode; and when the rubber sleeve is damaged, the rubber sleeve can be independently detached for replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a spherical shell structure for automobile steering knuckles. Background Art

[0002] The automobile steering knuckle, also called the trapezoidal arm, is the last-stage force transmission component of the steering transmission device. The steering knuckle arm is installed on the left and right steering knuckles, and the other end is connected with a ball pin and a tie rod.

[0003] The steering knuckle of the car is connected with a ball head, and the ball head is provided with a rubber cover, which plays a role of connection and can cover the connection to prevent dust. The existing rubber cover of the ball head is fixed to the ball head ring, and the rubber cover is more easily damaged than other parts. Whenever the rubber cover is damaged, the ball head needs to be completely disassembled, and it is troublesome to replace the rubber cover.

[0004] In view of this, we propose a spherical shell structure for automobile steering knuckle. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art, meet practical needs, and provide a ball shell structure for an automobile steering knuckle to solve the current technical problem that the entire ball head needs to be disassembled and the rubber cover needs to be replaced whenever the rubber cover is damaged.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a ball shell structure for automobile steering knuckle, including a rubber sleeve, a connecting ring A and a connecting ring B;

[0007] The connecting ring A and the connecting ring B are respectively arranged at two ends of the rubber sleeve;

[0008] One end of the rubber sleeve is fixedly provided with a rubber ring A, the outer side of the rubber ring A is fixedly provided with a snap ring A, the cross section of the snap ring A is L-shaped, the inner side of the connecting ring A is provided with an annular groove A, the inner wall of the annular groove A is fixedly provided with a retaining ring A, the snap ring A is clamped in the annular groove A, and the inner concave part of the snap ring A is clamped and matched with the retaining ring A;

[0009] Among them, a rubber ring B is fixedly provided at the other end of the rubber sleeve, a snap ring B is fixedly provided on the outside of the rubber ring B, the cross-section of the snap ring B is L-shaped, an annular groove B is opened on the inner side of the connecting ring B, a retaining ring B is fixedly provided on the inner ring wall of the annular groove B, the snap ring B is clamped in the annular groove B, and the inner concave part of the snap ring B is clamped with the retaining ring B.

[0010] Preferably, the rubber sleeve is in a truncated cone shape, and the cross section of the rubber sleeve is in a wave shape.

[0011] Preferably, the retaining ring A and the retaining ring B are arranged in opposite directions, and the retaining ring A and the retaining ring B correspond to the inner concave part of the retaining ring A and the inner concave part of the retaining ring B respectively.

[0012] Preferably, the outer ring of the snap ring A is configured as an annular bevel A, and the inner ring of the snap ring B is configured as an annular bevel B;

[0013] The longitudinal height of the annular bevel A is greater than the height of the retaining ring A, and the longitudinal height of the annular bevel B is greater than the height of the retaining ring B.

[0014] Preferably, a thread groove A is provided on the inner side of the outer ring wall of the connecting ring A, a limiting ring A is provided on the thread groove A, and the inner side of the inner ring of the limiting ring A is limitedly matched with the outer ring wall of the rubber ring A; a thread groove B is provided on the inner side of the outer ring wall of the connecting ring B, a limiting ring B is provided on the thread groove B, and the inner side of the inner ring of the limiting ring B is limitedly matched with the outer ring wall of the rubber ring B.

[0015] Preferably, the width of the limiting ring A is smaller than the width of the thread groove A, and the width of the limiting ring B is smaller than the width of the thread groove B.

[0016] Preferably, the inner side of the inner ring of the limiting ring A and the inner side of the inner ring of the limiting ring B are both smooth surfaces.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The utility model has the advantages that the two ends of the rubber sleeve are fixed to the connecting ring A and the connecting ring B by means of snap connection by arranging the rubber ring A, the snap ring A, the annular groove A, the retaining ring A, the rubber ring B, the snap ring B, the annular groove B and the retaining ring B. When the rubber sleeve is damaged, the rubber sleeve can be removed separately for replacement, thereby solving the problem that the rubber cover and the ball head ring are fixed at the ball head, and whenever the rubber cover is damaged, the ball head needs to be completely removed, and the rubber cover needs to be replaced inconveniently.

[0019] 2. The utility model has the advantages of positioning the installed rubber ring A and rubber ring B by arranging the thread groove A, the limiting ring A, the thread groove B and the limiting ring B, so that the inner side of the inner ring of the limiting ring A blocks the outer ring wall of the rubber ring A, and the inner side of the inner ring of the limiting ring B blocks the outer ring wall of the rubber ring B, thereby keeping the rubber sleeve stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3It is a schematic diagram of the sectional exploded structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the limiting ring A and the limiting ring B of the utility model;

[0024] In the figure: 1. Connecting ring A; 2. Connecting ring B; 3. Rubber sleeve;

[0025] 101, thread groove A; 102, limit ring A; 103, annular groove A; 104, retaining ring A;

[0026] 201, thread groove B; 202, limit ring B; 203, annular groove B; 204, retaining ring B;

[0027] 301, rubber ring A; 302, snap ring A; 303, rubber ring B; 304, snap ring B;

[0028] 3021, annular slope A;

[0029] 3041. Annular ramp B. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0031] Embodiment 1: A spherical shell structure for a car steering knuckle, see Figures 1 to 3 :

[0032] It includes a rubber sleeve 3, a connecting ring A1 and a connecting ring B2;

[0033] The rubber sleeve 3 is in a truncated cone shape, and the cross section of the rubber sleeve 3 is in a wave shape; when the rubber sleeve 3 is deformed, the wave-shaped structure can better bear the force during the deformation; the connecting ring A1 and the connecting ring B2 are respectively arranged at the two ends of the rubber sleeve 3, and the connecting ring A1 and the connecting ring B2 are respectively connected with corresponding bearings, and the shaft of the car passes through the connecting ring A1 and the connecting ring B2; wherein, a rubber ring A301 is fixedly arranged at one end of the rubber sleeve 3, and a snap ring A302 is fixedly arranged on the outside of the rubber ring A301, and the cross section of the snap ring A302 is in an L shape, and an annular groove A103 is opened on the inside of the connecting ring A1, and the annular groove A A retaining ring A104 is fixedly provided on the inner ring wall of 103, a snap ring A302 is clamped in the annular groove A103, and the inner concave part of the snap ring A302 is clamped with the retaining ring A104; wherein, a rubber ring B303 is fixedly provided on the other end of the rubber sleeve 3, a snap ring B304 is fixedly provided on the outer side of the rubber ring B303, the cross section of the snap ring B304 is L-shaped, an annular groove B203 is provided on the inner side of the connecting ring B2, a retaining ring B204 is fixedly provided on the inner ring wall of the annular groove B203, the snap ring B304 is clamped in the annular groove B203, and the inner concave part of the snap ring B304 is clamped with the retaining ring B204.

[0034] The utility model provides a rubber ring A301, a snap ring A302, an annular groove A103, a retaining ring A104, a rubber ring B303, a snap ring B304, an annular groove B203 and a retaining ring B204, so that the two ends of the rubber sleeve 3 are fixed to the connecting ring A1 and the connecting ring B2 by a snap connection, and the rubber sleeve 3 can be removed separately for replacement when the rubber sleeve 3 is damaged, thereby solving the problem that the rubber cover and the ball head ring are fixed at the ball head, and the ball head needs to be completely removed every time the rubber cover is damaged, and the problem of troublesome replacement of the rubber cover is solved.

[0035] The snap ring A302 and the snap ring B304 are arranged in opposite directions, and the retaining ring A104 and the retaining ring B204 correspond to the inner concave part of the snap ring A302 and the inner concave part of the snap ring B304 respectively. After the snap ring A302 and the snap ring B304 are respectively engaged with the annular groove A103 and the annular groove B203, the two engaging parts form two inner and outer engaging force receiving points, so that the rubber sleeve 3 remains stable.

[0036] The outer ring of the snap ring A302 is set as an annular bevel A3021, and the inner ring of the snap ring B304 is set as an annular bevel B3041; wherein, the longitudinal height of the annular bevel A3021 is greater than the height of the retaining ring A104, and the longitudinal height of the annular bevel B3041 is greater than the height of the retaining ring B204. The annular bevel A3021 of the snap ring A302 is pushed along the retaining ring A104 to make it easier to squeeze the snap ring A302 into the annular groove A103, and the annular bevel B3041 of the snap ring B304 is pushed along the retaining ring B204 to make it easier to squeeze the snap ring B304 into the annular groove B203.

[0037] Embodiment 2: A spherical shell structure for a car steering knuckle, see Figures 2 to 4 :

[0038] A thread groove A101 is provided on the inner side of the outer ring wall of the connecting ring A1, a limit ring A102 is provided on the thread groove A101, and the inner side of the inner ring of the limit ring A102 is limitedly matched with the outer ring wall of the rubber ring A301; a thread groove B201 is provided on the inner side of the outer ring wall of the connecting ring B2, a limit ring B202 is provided on the thread groove B201, and the inner side of the inner ring of the limit ring B202 is limitedly matched with the outer ring wall of the rubber ring B303.

[0039] The utility model has the advantages of positioning the installed rubber ring A301 and the rubber ring B303 by arranging the thread groove A101, the limiting ring A102, the thread groove B201 and the limiting ring B202, so that the inner side of the inner ring of the limiting ring A102 blocks the outer ring wall of the rubber ring A301, and the inner side of the inner ring of the limiting ring B202 blocks the outer ring wall of the rubber ring B303, thereby keeping the rubber sleeve 3 stable.

[0040] The width of the limiting ring A102 is smaller than the width of the thread groove A101, and the width of the limiting ring B202 is smaller than the width of the thread groove B201. The limiting ring A102 can completely enter the thread groove A101, and the limiting ring B202 can completely enter the thread groove B201, without affecting the installation or removal of the rubber sleeve 3.

[0041] The inner sides of the inner rings of the limiting rings A102 and B202 are both smooth surfaces, and the inner sides of the inner rings of the limiting rings A102 and B202 can fit the outer ring walls of the rubber rings A301 and B303.

[0042] Working principle: When using the device of the utility model, the connecting ring A1 and the connecting ring B2 are respectively connected to the corresponding bearings, the shaft of the car passes through the connecting ring A1 and the connecting ring B2, the snap ring A302 and the snap ring B304 are respectively engaged with the annular groove A103 and the annular groove B203, the annular slope A3021 of the snap ring A302 is pushed along the retaining ring A104 to squeeze the snap ring A302 into the annular groove A103, and the annular slope B3041 of the snap ring B304 is pushed along the retaining ring B204 to squeeze the snap ring B304 into the annular groove A103. 04 is squeezed and pushed into the annular groove B203, the inner concave part of the retaining ring A302 is engaged with the retaining ring A104, and the inner concave part of the retaining ring B304 is engaged with the retaining ring B204. The limiting ring A102 and the limiting ring B202 are rotated respectively, and the limiting ring A102 and the limiting ring B202 are moved out relative to the thread groove A101 and the thread groove B201 until the inner sides of the inner rings of the limiting rings A102 and the limiting rings B202 are respectively in contact with the outer ring walls of the rubber rings A301 and the outer ring walls of the rubber rings B303, and the installation of the rubber sleeve 3 is completed.

[0043] When the rubber sleeve 3 is damaged and needs to be disassembled, rotate the limit ring A102 and the limit ring B202 in the opposite direction until the limit ring A102 and the limit ring B202 are completely inserted into the thread groove A101 and the thread groove B201 respectively, cut the rubber sleeve 3 with a tool, and pull the retaining ring A302 and the retaining ring B304 out of the annular groove A103 and the annular groove B203 respectively.

[0044] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A spherical shell structure for an automobile steering knuckle, characterized in that: include: Rubber sleeve (3); A connecting ring A (1) and a connecting ring B (2) are respectively arranged at two ends of the rubber sleeve (3); A rubber ring A (301) is fixedly provided at one end of the rubber sleeve (3), a snap ring A (302) is fixedly provided on the outer side of the rubber ring A (301), the snap ring A (302) has an L-shaped cross section, an annular groove A (103) is provided on the inner side of the connecting ring A (1), a retaining ring A (104) is fixedly provided on the inner wall of the annular groove A (103), the snap ring A (302) is snap-fitted into the annular groove A (103), and the inner concave part of the snap ring A (302) is snap-fitted with the retaining ring A (104); The other end of the rubber sleeve (3) is fixedly provided with a rubber ring B (303), the outer side of the rubber ring B (303) is fixedly provided with a snap ring B (304), the cross section of the snap ring B (304) is L-shaped, the inner side of the connecting ring B (2) is provided with an annular groove B (203), the inner wall of the annular groove B (203) is fixedly provided with a retaining ring B (204), the snap ring B (304) is snap-fitted into the annular groove B (203), and the inner concave part of the snap ring B (304) is snap-fitted with the retaining ring B (204).

2. A spherical shell structure for a vehicle steering knuckle as claimed in claim 1, characterized in that: The rubber sleeve (3) is in a truncated cone shape, and the cross section of the rubber sleeve (3) is in a wave shape.

3. A spherical shell structure for a vehicle steering knuckle as claimed in claim 1, characterized in that: The retaining ring A (302) and the retaining ring B (304) are arranged in opposite directions, and the retaining ring A (104) and the retaining ring B (204) correspond to the inner concave part of the retaining ring A (302) and the inner concave part of the retaining ring B (304) respectively.

4. A spherical shell structure for a vehicle steering knuckle as claimed in claim 3, characterized in that: The outer ring of the snap ring A (302) is configured as an annular inclined surface A (3021), and the inner ring of the outer ring B (304) is configured as an annular inclined surface B (3041); The longitudinal height of the annular bevel A (3021) is greater than the height of the retaining ring A (104), and the longitudinal height of the annular bevel B (3041) is greater than the height of the retaining ring B (204).

5. The spherical shell structure for automobile steering knuckle according to claim 1, characterized in that: The inner side of the outer ring wall of the connecting ring A (1) is provided with a thread groove A (101), and a limiting ring A (102) is threadedly sleeved on the thread groove A (101), and the inner side of the inner ring of the limiting ring A (102) is limitedly matched with the outer ring wall of the rubber ring A (301); the inner side of the outer ring wall of the connecting ring B (2) is provided with a thread groove B (201), and a limiting ring B (202) is threadedly sleeved on the thread groove B (201), and the inner side of the inner ring of the limiting ring B (202) is limitedly matched with the outer ring wall of the rubber ring B (303).

6. A spherical shell structure for a vehicle steering knuckle as claimed in claim 5, characterized in that: The width of the limiting ring A (102) is smaller than the width of the thread groove A (101), and the width of the limiting ring B (202) is smaller than the width of the thread groove B (201).

7. A spherical shell structure for a vehicle steering knuckle as claimed in claim 5, characterized in that: The inner side of the inner ring of the limiting ring A (102) and the inner side of the inner ring of the limiting ring B (202) are both smooth surfaces.

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