Sealed low-resistance steering ball socket assembly

Abstract

The utility model relates to the technical field of steering ball sockets, and discloses a sealed low-resistance steering ball socket assembly, which solves the problem of poor sealing effect of the existing steering ball socket, and comprises a steering ball socket body, the steering ball socket body is composed of a bell jar, a retainer, a plurality of steel balls, a starlike sleeve, an input shaft, an output shaft, a sealing cover, a first hoop and a second hoop, the bell jar is connected to one end of the output shaft, a plurality of outer raceways are formed in the inner surface of the bell jar, the starlike sleeve is connected to the interior of the bell jar, and inner raceways are formed in the outer surface of the starlike sleeve; the retainer and the steel ball are connected between the bell jar and the starlike sleeve, the input shaft is connected with the starlike sleeve, the bell jar and the input shaft are sleeved with the sealing cover, the first hoop and the second hoop are connected to the two ends of the sealing cover respectively, and the sealing cover is composed of an outer sealing sleeve and an inner sealing sleeve; by means of the steering ball socket assembly, the overall sealing performance can be improved, the possibility that the sealing cover is damaged is reduced, then lubrication failure is avoided, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of steering ball and socket, in particular to a sealed low-resistance steering ball and socket assembly. Background Art

[0002] The steering ball and socket is an important component in the car's transmission system. Its function is to transfer the engine's power from the transmission to the drive wheels, driving the car at high speed.

[0003] The mechanical part of the steering ball socket is not easy to be damaged. The main reason for the damage of the steering ball socket during actual use is that the sealing cover on its outer surface is damaged due to aging. When the sealing cover is damaged, the sealing of the steering ball socket becomes worse, and impurities such as dust, sand and gravel particles will enter between the bell cover, retaining frame, steel balls and star sleeves, which will cause wear of the above-mentioned components, affect lubrication, and cause damage to the entire steering ball socket. Therefore, the present application proposes a sealed low-resistance steering ball socket assembly. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sealed low-resistance steering ball and socket assembly, which effectively solves the problem of poor sealing effect of the prior steering ball and socket.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a sealed low-resistance steering ball and socket assembly, comprising a steering ball and socket body, wherein the steering ball and socket body is composed of a bell-shaped cover, a retaining frame, a plurality of steel balls, a star-shaped sleeve, an input shaft, an output shaft, a sealing cover, a first clamp and a second clamp, the bell-shaped cover being connected to one end of the output shaft, the inner surface of the bell-shaped cover being provided with a plurality of outer raceways, the star-shaped sleeve being connected to the interior of the bell-shaped cover, the outer surface of the star-shaped sleeve being provided with an inner raceway, the retaining frame and the steel balls being connected between the bell-shaped cover and the star-shaped sleeve, the input shaft being connected to the star-shaped sleeve, the sealing cover being sleeved on the bell-shaped cover and the input shaft, the first clamp and the second clamp being respectively connected to the two ends of the sealing cover, the sealing cover being composed of an outer sealing sleeve and an inner sealing sleeve, and the inner sealing sleeve being connected to the interior of the outer sealing sleeve.

[0006] Preferably, a plurality of first convex rings are fixedly provided on the outer surface of the bell-shaped housing, and a plurality of second convex rings are fixedly provided on the outer surface of the input shaft.

[0007] Preferably, the outer sealing sleeve is composed of a first connecting sleeve, a second connecting sleeve and a wavy outer telescopic sleeve, the first connecting sleeve is sleeved on the bell-shaped cover, the second connecting sleeve is sleeved on the input shaft, and the wavy outer telescopic sleeve is fixedly connected between the first connecting sleeve and the second connecting sleeve.

[0008] Preferably, a first annular connecting groove matching the first clamp is formed on the arcuate outer surface of the first connecting sleeve, and a second annular connecting groove matching the second clamp is formed on the arcuate outer surface of the second connecting sleeve.

[0009] Preferably, the inner surface of the first connecting sleeve is provided with a plurality of annular limit grooves 1 and a plurality of sealing convex rings 1, and the annular limit grooves 1 are engaged with the convex ring 1, and the inner surface of the second connecting sleeve is provided with a plurality of annular limit grooves 2 and a plurality of sealing convex rings 2, and the annular limit grooves 2 are engaged with the convex ring 2.

[0010] Preferably, a first annular clamping inner groove is provided inside the first connecting sleeve, and a second annular clamping inner groove is provided inside the second connecting sleeve.

[0011] Preferably, the inner sealing sleeve is composed of a clamping sleeve 1, a clamping sleeve 2 and a wavy inner telescopic sleeve, the wavy inner telescopic sleeve is fixedly connected between the clamping sleeve 1 and the clamping sleeve 2, and the clamping sleeve 1 and the clamping sleeve 2 are respectively inserted and connected to the inside of the annular clamping inner groove 1 and the annular clamping inner groove 2.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) During operation, by providing a steering ball and socket body composed of a bell-shaped housing, a retaining frame, a plurality of steel balls, a star-shaped sleeve, an input shaft, an output shaft, a sealing cover, a first clamp and a second clamp, multi-angle steering and uniform speed driving can be achieved. By providing a sealing cover composed of an outer sealing sleeve and an inner sealing sleeve, double sealing can be achieved, thereby improving the sealing effect, avoiding grease leakage, and increasing the service life of the steering ball and socket assembly.

[0014] (2) By providing the convex ring 1, the convex ring 2, the annular limiting groove 1 and the annular limiting groove 2, the sealing and stability of the connection between the outer sealing sleeve and the bell cover and the input shaft can be improved. By providing the outer sealing sleeve composed of the first connecting sleeve, the second connecting sleeve and the wavy outer telescopic sleeve, the first layer of sealing effect can be formed. By providing the inner sealing sleeve composed of the clamping sleeve 1, the clamping sleeve 2 and the wavy inner telescopic sleeve, the second layer of sealing effect can be formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached figure:

[0017] Figure 1 This is a schematic diagram of the structure of the sealed low-resistance steering ball and socket assembly of the utility model;

[0018] Figure 2 This is an exploded view of the sealed low-resistance steering ball and socket assembly of the utility model;

[0019] Figure 3This is a partial structural diagram of the sealed low-resistance steering ball and socket assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the sealing cover structure of the utility model;

[0021] Figure 5 This is a cross-sectional view of the sealing cover of the utility model;

[0022] Figure 6 For this utility model Figure 5 One of the partial enlarged pictures;

[0023] Figure 7 For this utility model Figure 5 The second partial enlarged picture;

[0024] In the figure: 1. steering ball socket body; 2. bell-shaped cover; 3. retaining frame; 4. steel ball; 5. star-shaped sleeve; 6. input shaft; 7. output shaft; 8. sealing cover; 9. first clamp; 10. second clamp; 11. outer raceway; 12. inner raceway; 13. outer sealing sleeve; 14. inner sealing sleeve; 15. convex ring 1; 16. convex ring 2; 17. first connecting sleeve; 18. second connecting sleeve; 19. wavy outer telescopic sleeve; 20. first annular connecting groove; 21. second annular connecting groove; 22. annular limiting groove 1; 23. sealing convex ring 1; 24. annular limiting groove 2; 25. sealing convex ring 2; 26. annular clamping inner groove 1; 27. annular clamping inner groove 2; 28. clamping sleeve 1; 29. clamping sleeve 2; 30. wavy inner telescopic sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] Depend on Figures 1 to 5The utility model provides a sealed low-resistance steering ball and socket assembly, comprising a steering ball and socket body 1, which is composed of a bell-shaped housing 2, a retaining frame 3, a plurality of steel balls 4, a star-shaped sleeve 5, an input shaft 6, an output shaft 7, a sealing housing 8, a first clamp 9 and a second clamp 10. The bell-shaped housing 2 is connected to one end of the output shaft 7, and a plurality of outer raceways 11 are provided on the inner surface of the bell-shaped housing 2. The star-shaped sleeve 5 is connected to the inside of the bell-shaped housing 2, and an inner raceway 12 is provided on the outer surface of the star-shaped sleeve 5. The retaining frame 3 and the steel balls 4 are connected between the bell-shaped housing 2 and the star-shaped sleeve 5. The input shaft 6 is connected to the star-shaped sleeve 5. The sealing housing 8 is sleeved on the bell-shaped housing 2 and the input shaft 6. The first clamp 9 and the second clamp 10 are respectively connected to the two ends of the sealing housing 8. The sealing housing 8 is composed of an outer sealing sleeve 13 and an inner sealing sleeve 14. The inner sealing sleeve 14 is connected to the inside of the outer sealing sleeve 13.

[0027] The input shaft 6 drives the star-shaped sleeve 5 to rotate, which in turn drives the bell-shaped housing 2 to rotate synchronously through the action of the retainer 3 and the steel ball 4, thereby enabling multi-angle steering. The bell-shaped housing 2 drives the output shaft 7 to rotate, and a double sealing effect is achieved through the sealing cover 8 composed of the outer sealing sleeve 13 and the inner sealing sleeve 14, thereby improving the sealing effect, preventing grease leakage, and thereby extending the service life of the steering ball and socket assembly.

[0028] Depend on Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7 It is given that the outer surface of the bell jar 2 is fixedly provided with a plurality of convex rings 15, the outer surface of the input shaft 6 is fixedly provided with a plurality of convex rings 2 16, the outer sealing sleeve 13 is composed of a first connecting sleeve 17, a second connecting sleeve 18 and a wavy outer telescopic sleeve 19, the first connecting sleeve 17 is sleeved on the bell jar 2, the second connecting sleeve 18 is sleeved on the input shaft 6, the wavy outer telescopic sleeve 19 is fixedly connected between the first connecting sleeve 17 and the second connecting sleeve 18, the arcuate outer surface of the first connecting sleeve 17 is provided with a first annular connecting groove 20 matching the first clamp 9, the arcuate outer surface of the second connecting sleeve 18 is provided with a second annular connecting groove 21 matching the second clamp 10, and the inner surface of the first connecting sleeve 17 is provided with a plurality of annular limit grooves 12 2 and several sealing convex rings 1 23, annular limiting groove 1 22 is engaged with convex ring 15, the inner surface of the second connecting sleeve 18 is provided with several annular limiting grooves 24 and several sealing convex rings 2 25, annular limiting groove 24 is engaged with convex ring 2 16, an annular clamping inner groove 1 26 is opened inside the first connecting sleeve 17, an annular clamping inner groove 2 27 is opened inside the second connecting sleeve 18, the inner sealing sleeve 14 is composed of a clamping sleeve 1 28, a clamping sleeve 2 29 and a wavy inner telescopic sleeve 30, the wavy inner telescopic sleeve 30 is fixedly connected between the clamping sleeve 1 28 and the clamping sleeve 2 29, and the clamping sleeve 1 28 and the clamping sleeve 2 29 are respectively inserted and connected to the inside of the annular clamping inner groove 1 26 and the annular clamping inner groove 2 27;

[0029] When the sealing cover 8 is installed, the inner sealing sleeve 14 is placed inside the outer sealing sleeve 13, so that the clamping sleeve 1 28 and the clamping sleeve 2 29 are respectively inserted into the annular clamping inner groove 1 26 and the annular clamping inner groove 2 27 to improve the stability of the connection, and then locked by the first clamp 9 and the second clamp 10. At this time, the annular limit groove 1 22 and the annular limit groove 24 are respectively engaged with the convex ring 15 and the convex ring 2 16, thereby improving the connection stability and sealing of the first connecting sleeve 17 and the second connecting sleeve 18, and further improving the connection sealing by the sealing convex ring 1 23 and the sealing convex ring 2 25. In actual use, even if the wavy outer telescopic sleeve 19 is damaged due to aging, it can form a sealing effect through the wavy inner telescopic sleeve 30 to prevent dust, sand and gravel particles and other impurities from entering the interior of the steering ball and socket assembly and causing damage to it, and also avoid grease leakage, thereby improving the service life of the steering ball and socket assembly.

[0030] During operation, by setting up a steering ball socket body composed of a bell-shaped cover, a retaining frame, a plurality of steel balls, a star-shaped sleeve, an input shaft, an output shaft, a sealing cover, a first clamp and a second clamp, multi-angle steering and uniform speed driving can be achieved. By setting up a sealing cover composed of an outer sealing sleeve and an inner sealing sleeve, double sealing can be achieved, the sealing effect is improved, grease leakage is avoided, and the service life of the steering ball socket assembly is increased. By setting up a convex ring 1, a convex ring 2, an annular limiting groove 1 and annular limiting groove 2, the sealing and stability of the connection between the outer sealing sleeve and the bell-shaped cover and the input shaft can be improved. By setting up an outer sealing sleeve composed of a first connecting sleeve, a second connecting sleeve and a wavy outer telescopic sleeve, a first layer of sealing effect can be formed. By setting up an inner sealing sleeve composed of a clamping sleeve 1, a clamping sleeve 2 and a wavy inner telescopic sleeve, a second layer of sealing effect can be formed.

Claims

1. A sealed low-resistance steering ball and socket assembly, comprising a steering ball and socket body (1), characterized in that: The steering ball socket body (1) is composed of a bell-shaped cover (2), a retaining frame (3), a plurality of steel balls (4), a star-shaped sleeve (5), an input shaft (6), an output shaft (7), a sealing cover (8), a first clamp (9) and a second clamp (10). The bell-shaped cover (2) is connected to one end of the output shaft (7). The inner surface of the bell-shaped cover (2) is provided with a plurality of outer raceways (11). The star-shaped sleeve (5) is connected to the inside of the bell-shaped cover (2). The outer surface of the star-shaped sleeve (5) is provided with an inner raceway. The invention relates to a transmission device comprising a bell housing (2) and a star housing (5). The bell housing (2) and the input shaft (6) are connected to each other. The bell housing (2) and the input shaft (6) are connected to each other. The bell housing (2) and the input shaft (6) are connected to each other. The bell housing (2) and the input shaft (6) are connected to each other. The bell housing (8) is provided with a first clamp (9) and a second clamp (10) respectively connected to both ends of the sealing housing (8). The sealing housing (8) is composed of an outer sealing housing (13) and an inner sealing housing (14). The inner sealing housing (14) is connected to the inside of the outer sealing housing (13).

2. A sealed low-resistance steering ball and socket assembly according to claim 1, characterized in that: The outer surface of the bell-shaped housing (2) is fixedly provided with a plurality of convex rings (15), and the outer surface of the input shaft (6) is fixedly provided with a plurality of convex rings (16).

3. The sealed low-resistance steering ball and socket assembly according to claim 2, characterized in that: The outer sealing sleeve (13) is composed of a first connecting sleeve (17), a second connecting sleeve (18) and a wavy outer telescopic sleeve (19); the first connecting sleeve (17) is sleeved on the bell-shaped housing (2); the second connecting sleeve (18) is sleeved on the input shaft (6); and the wavy outer telescopic sleeve (19) is fixedly connected between the first connecting sleeve (17) and the second connecting sleeve (18).

4. The sealed low-resistance steering ball and socket assembly according to claim 3, characterized in that: The arcuate outer surface of the first connecting sleeve (17) is provided with a first annular connecting groove (20) matching the first clamp (9), and the arcuate outer surface of the second connecting sleeve (18) is provided with a second annular connecting groove (21) matching the second clamp (10).

5. The sealed low-resistance steering ball and socket assembly according to claim 3, characterized in that: The inner surface of the first connecting sleeve (17) is provided with a plurality of annular limiting grooves (22) and a plurality of sealing convex rings (23), and the annular limiting grooves (22) are engaged with the convex ring (15). The inner surface of the second connecting sleeve (18) is provided with a plurality of annular limiting grooves (24) and a plurality of sealing convex rings (25), and the annular limiting grooves (24) are engaged with the convex ring (16).

6. The sealed low-resistance steering ball and socket assembly according to claim 3, characterized in that: The first connecting sleeve (17) is provided with an annular clamping inner groove (26) inside, and the second connecting sleeve (18) is provided with an annular clamping inner groove (27) inside.

7. The sealed low-resistance steering ball and socket assembly according to claim 6, characterized in that: The inner sealing sleeve (14) is composed of a first clamping sleeve (28), a second clamping sleeve (29) and a wavy inner telescopic sleeve (30). The wavy inner telescopic sleeve (30) is fixedly connected between the first clamping sleeve (28) and the second clamping sleeve (29). The first clamping sleeve (28) and the second clamping sleeve (29) are respectively inserted and connected to the inside of the first annular clamping inner groove (26) and the second annular clamping inner groove (27).

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