Steering gear input shaft sealing cover assembly

Abstract

The utility model discloses a sealing cover assembly for an input shaft of a steering gear, which relates to the technical field of automobile parts and comprises a support, a sealing sleeve and a lower filling body. The support comprises a cylindrical body, and a first cavity is formed in the body. A base is arranged at the bottom of the body, a first through hole communicated with the first cavity is formed in the base, a first mounting groove is formed in the bottom surface of the base around the first through hole, and the lower filling body is arranged in the first mounting groove; a connecting seat is arranged at the top of the body, a second through hole communicated with the first cavity is formed in the connecting seat, and a second mounting groove is formed in the top surface of the connecting seat around the second through hole; the sealing sleeve is provided with a shape follow-up hole matched with the second through hole, and the bottom face of the sealing sleeve is provided with a socket part matched with the second mounting groove. According to the utility model, the structure is optimized, so that the driving noise is reduced, the dustproof and waterproof effects are improved, and the performance of the whole vehicle is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a steering gear input shaft sealing cover assembly. Background Art

[0002] As people's requirements for riding comfort become higher and higher, the requirements for the interior environment of the cab are also getting higher and higher. The current noise prevention, waterproof and dustproof capabilities of the steering input shaft seal cover assembly can no longer meet people's needs. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a steering gear input shaft sealing cover assembly, which reduces the noise inside the driving room, improves the dust and water proof effects, and greatly improves the performance of the whole vehicle by optimizing the structure.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a steering gear input shaft sealing cover assembly, including a support, a sealing sleeve and a lower filling body; the support includes a cylindrical body, and a first cavity is arranged inside the body; a base is arranged at the bottom of the body, and the base is provided with a first through hole connected to the first cavity, and a first mounting groove is arranged on the bottom surface of the base around the first through hole, and the lower filling body is arranged in the first mounting groove; a connecting seat is arranged on the top of the body, and the connecting seat is provided with a second through hole connected to the first cavity, and a second mounting groove is arranged on the top surface of the connecting seat around the second through hole; the sealing sleeve is provided with a conformal hole matched with the second through hole, and the bottom surface of the sealing sleeve is provided with a socket matched with the second mounting groove.

[0005] A further improvement is that: the inner top wall of the first installation groove is provided with a first positioning hole and a positioning block, and the edge of the base is provided with an arc-shaped notch.

[0006] A further improvement is that the lower filling body is in the form of a thin sheet, and is provided with a first avoidance hole adapted to the first through hole, a second avoidance hole adapted to the first positioning hole, a third avoidance hole adapted to the positioning block, and an avoidance groove adapted to the notch.

[0007] A further improvement is that: a second positioning hole is provided on the inner bottom wall of the second mounting groove, and a clamping claw is provided on the outer side wall of the connecting seat.

[0008] A further improvement is that: the top surface of the sealing sleeve is provided with concave and convex ribs, and the outer side wall of the sealing sleeve is provided with blocking pieces corresponding to the claws one by one.

[0009] A further improvement is that the connecting seat is arranged at an angle, and reinforcing ribs are arranged at a position on the outer side wall of the main body corresponding to the highest point of the connecting seat.

[0010] A further improvement is that a second cavity is provided in the sealing sleeve, and an upper filling body is provided in the second cavity.

[0011] A further improvement is that the upper filling body and the lower filling body are both formed by rubber foaming.

[0012] A further improvement is that the sealing sleeve is formed by vulcanization of rubber.

[0013] A further improvement is that the support is integrally formed by plastic injection molding.

[0014] The beneficial effects of the utility model are:

[0015] 1. The steering gear input shaft seal cover assembly of the utility model is produced in parts and then assembled, which reduces the production difficulty and improves the production efficiency.

[0016] 2. In the utility model, concave and convex ribs are arranged on the sealing sleeve, and a filling body is arranged inside, which improves the overall sealing performance.

[0017] 3. In the present invention, the lower filling body is formed by rubber foaming, which improves the sealing and sound insulation effect of the base.

[0018] 4. The structure of the utility model improves comfort, reduces noise, and improves dust and water proofing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the steering gear input shaft sealing cover assembly in the embodiment of the utility model;

[0020] Figure 2 It is a cross-sectional view of the steering gear input shaft sealing cover assembly in the embodiment of the utility model;

[0021] Figure 3 A top view of the steering gear input shaft sealing cover assembly in an embodiment of the utility model;

[0022] Figure 4 A bottom view of the steering gear input shaft sealing cover assembly in the embodiment of the utility model;

[0023] Figure 5 This is a front view of the support in the embodiment of the utility model;

[0024] Figure 6 A cross-sectional view of a support in an embodiment of the utility model;

[0025] Figure 7 A top view of the support in the embodiment of the utility model;

[0026] Figure 8 A bottom view of the support in the embodiment of the utility model;

[0027] Fig. 9 This is a schematic diagram of the structure of the sealing sleeve in the embodiment of the utility model;

[0028] Fig.10 A cross-sectional view of a sealing sleeve in an embodiment of the utility model;

[0029] Fig.11 This is a schematic diagram of the structure of the upper filling body in the embodiment of the utility model;

[0030] Fig.12 It is a cross-sectional view of the upper filling body in the embodiment of the utility model;

[0031] Fig.13 This is a schematic diagram of the structure of the lower filling body in the embodiment of the utility model;

[0032] Fig.14 It is a side view of the lower filling body in the embodiment of the utility model.

[0033] Reference numerals:

[0034] 1-support; 100-body; 101-first cavity; 102-reinforcement rib; 110-base; 111-first through hole; 112-first mounting groove; 113-first positioning hole; 114-positioning block; 115-notch; 120-connecting seat; 121-second through hole; 122-second mounting groove; 123-second positioning hole; 124-claw;

[0035] 2-sealing sleeve; 21-conformal hole; 22-socket portion; 23-concave and convex ribs; 24-blocking sheet; 25-second cavity;

[0036] 3-upper filling body;

[0037] 4-lower filling body; 41-first avoidance hole; 42-second avoidance hole; 43-third avoidance hole; 44-avoidance groove. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0039] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0041] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0042] See also Figure 1 to Figure 4 As shown, an embodiment of the utility model provides a steering gear input shaft sealing cover assembly, including a support 1, a sealing sleeve 2 and a lower filling body 4.

[0043] See also Figures 5 to 8 As shown, the support 1 includes a cylindrical body 100, and a first cavity 101 is arranged inside the body 100; a base 110 is arranged at the bottom of the body 100, and the base 110 is provided with a first through hole 111 connected to the first cavity 101, and a first mounting groove 112 is arranged on the bottom surface of the base 110 around the first through hole 111, and the lower filling body 4 is arranged in the first mounting groove 112; specifically, a first positioning hole 113 and a positioning block 114 are arranged on the inner top wall of the first mounting groove 112, and an arc-shaped notch 115 is arranged at the edge of the base 110.

[0044] A connection seat 120 is provided at the top of the body 100, and the connection seat 120 is provided with a second through hole 121 communicating with the first cavity 101, and a second mounting groove 122 is provided on the top surface of the connection seat 120 around the second through hole 121; specifically, a second positioning hole 123 is provided on the inner bottom wall of the second mounting groove 122, and a claw 124 is provided on the outer side wall of the connection seat 120. Specifically, the connection seat 120 is arranged obliquely, and a reinforcing rib 102 is provided at a position corresponding to the highest point of the outer side wall of the body 100 and the connection seat 120. The support 1 is integrally formed by injection molding of plastic (PP+LGF30).

[0045] See also Figures 9 to 12 As shown, the sealing sleeve 2 is provided with a conformal hole 21 adapted to the second through hole 121, and the bottom surface of the sealing sleeve 2 is provided with a socket portion 22 adapted to the second mounting groove 122. Specifically, the top surface of the sealing sleeve 2 is provided with a concave-convex rib 23, and the outer side wall of the sealing sleeve 2 is provided with a baffle 24 corresponding to the claw 124. A second cavity 25 is provided in the sealing sleeve 2, and an upper filling body 3 is provided in the second cavity 25. The sealing sleeve 2 is vulcanized and molded from rubber (EPDM).

[0046] See also Figure 13-14 As shown, the lower filling body 4 is in the shape of a thin sheet, and is provided with a first avoidance hole 41 adapted to the first through hole 111, a second avoidance hole 42 adapted to the first positioning hole 113, a third avoidance hole 43 adapted to the positioning block 114, and an avoidance groove 44 adapted to the notch 115. Specifically, the upper filling body 3 and the lower filling body 4 are both formed by foaming rubber (EPDM).

[0047] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0048] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods, and improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A steering gear input shaft sealing cover assembly, comprising a support (1), characterized in that: It also includes a sealing sleeve (2) and a lower filling body (4); The support (1) comprises a cylindrical body (100), wherein a first cavity (101) is arranged inside the body (100); a base (110) is arranged at the bottom of the body (100), wherein the base (110) is provided with a first through hole (111) communicating with the first cavity (101); a first mounting groove (112) is arranged on the bottom surface of the base (110) surrounding the first through hole (111), and the lower filling body (4) is arranged in the first mounting groove (112); A connecting seat (120) is provided on the top of the body (100), the connecting seat (120) is provided with a second through hole (121) communicating with the first cavity (101), and a second mounting groove (122) is provided on the top surface of the connecting seat (120) surrounding the second through hole (121); The sealing sleeve (2) is provided with a conformal hole (21) adapted to the second through hole (121), and the bottom surface of the sealing sleeve (2) is provided with a socket portion (22) adapted to the second installation groove (122).

2. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: The inner top wall of the first installation groove (112) is provided with a first positioning hole (113) and a positioning block (114), and the edge of the base (110) is provided with an arc-shaped notch (115).

3. The steering gear input shaft sealing cover assembly according to claim 2, characterized in that: The lower filling body (4) is in the shape of a thin sheet and is provided with a first avoidance hole (41) adapted to the first through hole (111), a second avoidance hole (42) adapted to the first positioning hole (113), a third avoidance hole (43) adapted to the positioning block (114), and an avoidance groove (44) adapted to the notch (115).

4. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: The inner bottom wall of the second installation groove (122) is provided with a second positioning hole (123), and the outer side wall of the connecting seat (120) is provided with a clamping claw (124).

5. The steering gear input shaft sealing cover assembly according to claim 4, characterized in that: The top surface of the sealing sleeve (2) is provided with concave-convex ribs (23), and the outer side wall of the sealing sleeve (2) is provided with blocking sheets (24) corresponding one to one with the claws (124).

6. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: The connecting seat (120) is arranged at an angle, and a reinforcing rib (102) is arranged at a position corresponding to the highest point of the connecting seat (120) on the outer side wall of the main body (100).

7. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: A second cavity (25) is provided in the sealing sleeve (2), and an upper filling body (3) is provided in the second cavity (25).

8. The steering gear input shaft sealing cover assembly according to claim 7, characterized in that: The upper filling body (3) and the lower filling body (4) are both formed by rubber foaming.

9. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: The sealing sleeve (2) is formed by vulcanization of rubber.

10. The steering gear input shaft sealing cover assembly according to claim 1, characterized in that: The support (1) is integrally formed by plastic injection molding.

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