Triangular arm hydraulic bushing

Abstract

The utility model discloses a triangular arm hydraulic bushing, which relates to the technical field of automobile parts and comprises an outer pipe, a main spring arranged in the outer pipe and a runner body, the main spring comprises an inner pipe and a rubber sleeve, the middle of the inner pipe protrudes outwards to form a protruding ring, the inner side wall of the rubber sleeve is in vulcanization connection with the outer side wall of the inner pipe, the two ends of the rubber sleeve extend outwards to form rubber bodies used for blocking openings in the two ends of the outer pipe, and a cavity used for being filled with damping liquid is formed between the two rubber bodies. The runner body is arranged in the cavity and comprises a ring body, bosses matched with the convex rings are oppositely arranged on the inner circle face of the ring body, and gaps are formed between the bosses and the convex rings. According to the utility model, the damping effect of the hydraulic bushing is improved, so that an automobile is more stable and comfortable in the driving process, and the fatigue feeling of passengers is reduced; noise generated in the running process of the automobile is effectively reduced, and the quiet degree in the automobile is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a triangular arm hydraulic bushing. Background Art

[0002] During vehicle operation, the yoke plays a crucial role in connecting the wheels to the vehicle body. Traditional yoke bushings, typically made of materials such as rubber, have limitations in terms of vibration and noise reduction. With the continuous development of the automotive industry, demands for increased comfort and handling are becoming increasingly stringent, and existing standard yoke bushings are no longer sufficient to meet these demands. Utility Model Content

[0003] In response to the defects in the existing technology, the purpose of this utility model is to provide a triangular arm hydraulic bushing, which improves the shock absorption effect of the hydraulic bushing, makes the car more stable and comfortable during driving, and reduces the fatigue of passengers; effectively reduces the noise during driving and improves the quietness of the car.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a triangular arm hydraulic bushing, comprising an outer tube and a main spring arranged in the outer tube, and also comprising a flow channel body; the main spring comprises an inner tube and a rubber sleeve, the middle part of the inner tube protrudes outward to form a convex ring, the inner side wall of the rubber sleeve is vulcanized and connected to the outer side wall of the inner tube, and the two ends of the rubber sleeve extend outward to form rubber bodies for sealing the openings at both ends of the outer tube, and a cavity for filling damping fluid is formed between the two rubber bodies; the flow channel body is arranged in the cavity, comprising a ring body, the inner circular surface of the ring body is relatively provided with a boss adapted to the convex ring, and there is a gap between the boss and the convex ring.

[0005] A further improvement is that a flow channel rubber is provided on the outer side of the boss, and the flow channel rubber is provided with a plurality of flow channel grooves.

[0006] A further improvement is that the ring body is provided with a notch, and reinforcement blocks are respectively provided at both ends of the ring body located at the notch.

[0007] A further improvement is that: bumps are respectively provided on the inner circular surface of the ring body at the positions on both sides of the boss.

[0008] A further improvement is that reinforcing ribs are respectively provided at positions on the outer circumferential edge of the annular body opposite to the boss.

[0009] A further improvement is that the outer edge of the reinforcing rib extends outward to form a retaining edge portion.

[0010] A further improvement is that an inner plug-in is provided at the edge of the rubber body.

[0011] A further improvement is that the inner side wall of the outer tube is provided with a rubber layer.

[0012] A further improvement is that: the rubber layer is provided with limiting protrusions at the positions of the openings at both ends of the outer tube.

[0013] A further improvement is that both ends of the inner tube extend from the outer tube respectively, and a slope is provided at the connection between the inner tube and the rubber body.

[0014] The beneficial effects of the present invention are:

[0015] 1. The utility model significantly improves the shock absorption effect of the hydraulic bushing, making the car more stable and comfortable during driving and reducing the fatigue of passengers.

[0016] 2. The utility model effectively reduces the noise during the driving process of the car and improves the quietness inside the car.

[0017] 3. The hydraulic bushing of the utility model has high reliability and durability and can be used for a long time under various harsh road conditions.

[0018] 4. The hydraulic bushing of the utility model reduces production costs and improves the market competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of the triangular arm hydraulic bushing in an embodiment of the present utility model;

[0020] Figure 2 This is a cross-sectional view of a triangular arm hydraulic bushing in an embodiment of the present utility model;

[0021] Figure 3 This is a schematic structural diagram of the outer tube in an embodiment of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the main spring in an embodiment of the present utility model;

[0023] Figure 5 Schematic diagram of the structure of the flow channel body in the embodiment of the present utility model.

[0024] Reference numerals:

[0025] 1-outer tube; 11-rubber layer; 12-limiting protrusion;

[0026] 2-main spring; 21-inner tube; 22-convex ring; 23-rubber sleeve; 24-rubber body; 25-internal plug; 26-slope;

[0027] 3-flow channel body; 31-ring body; 32-boss; 33-flow channel rubber; 34-flow channel groove; 35-notch; 36-reinforcement block; 37-bump; 38-reinforcement rib; 39-rib;

[0028] 4- Cavity. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below. Examples of 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.

[0030] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0031] The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings to further describe the specific embodiments of the present invention so that the technical solutions and beneficial effects of the present invention are more clearly understood. The following description of the embodiments with reference to the accompanying drawings is for illustrative purposes only and is intended to explain the present invention, but is not to be construed as limiting the present invention.

[0032] See also Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a triangular arm hydraulic bushing, comprising an outer tube 1 and a main spring 2 arranged in the outer tube 1 , and also comprising a flow channel body 3 .

[0033] See also Figure 4 As shown, the main spring 2 comprises an inner tube 21 and a rubber sleeve 23. The center of the inner tube 21 protrudes outward to form a raised ring 22. The inner sidewall of the rubber sleeve 23 is vulcanized and connected to the outer sidewall of the inner tube 21. The two ends of the rubber sleeve 23 extend outward to form rubber bodies 24, which are used to seal the openings at the ends of the outer tube 1. A cavity 4 for filling the damping fluid is formed between the two rubber bodies 24. Specifically, a runner rubber 33 is provided outside the boss 32, and the runner rubber 33 has several runner grooves 34. An inner insert 25 is provided at the edge of the rubber body 24. The two ends of the inner tube 21 extend from the outer tube 1, and a slope 26 is provided at the connection between the inner tube 21 and the rubber body 24.

[0034] See also Figure 5As shown, the flow channel body 3 is disposed within the cavity 4 and includes a ring body 31. A boss 32 is disposed on the inner circumference of the ring body 31, corresponding to the protruding ring 22, with a gap between the boss 32 and the protruding ring 22. Specifically, the ring body 31 is provided with a notch 35, and reinforcement blocks 36 are provided at both ends of the ring body 31 located at the notch 35. Projections 37 are provided on the inner circumference of the ring body 31 on either side of the boss 32. Reinforcing ribs 38 are provided along the outer circumference of the ring body 31 at positions opposite the boss 32. The outer edges of the reinforcement ribs 38 extend outward to form ribs 39.

[0035] See also Figure 3 As shown, the inner wall of the outer tube 1 is provided with a rubber layer 11. Specifically, the rubber layer 11 is provided with limiting protrusions 12 at the positions of the openings at both ends of the outer tube 1.

[0036] The manufacturing process of this utility model is:

[0037] 1) The inner tube and the inner insert are vulcanized to form the main spring;

[0038] 2) The runner body and the runner rubber are integrated;

[0039] 3) vulcanizing the outer tube and the rubber into one;

[0040] 4) After the vulcanized runner main spring is assembled, the radial diameter is reduced;

[0041] 5) The reduced diameter main spring, the vulcanized runner and the outer tube vulcanized parts are filled with damping fluid to complete the reduction.

[0042] In the description of the specification, 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. 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 appropriate manner in any one or more embodiments or examples.

[0043] Through the description of the above structure and principle, technical personnel in the relevant technical field should understand that the present invention is not limited to the above specific implementation methods, and improvements and substitutions based on the present invention using the well-known technology in the field all fall within the scope of protection of the present invention and should be defined by the claims.

Claims

1. A triangular arm hydraulic bushing, comprising an outer tube (1) and a main spring (2) disposed within the outer tube (1), characterized in that: Also included is a flow channel body (3); The main spring (2) comprises an inner tube (21) and a rubber sleeve (23). The middle portion of the inner tube (21) protrudes outward to form a convex ring (22). The inner side wall of the rubber sleeve (23) is vulcanized and connected to the outer side wall of the inner tube (21). Both ends of the rubber sleeve (23) extend outward to form rubber bodies (24) for sealing the openings at both ends of the outer tube (1). A cavity (4) for filling damping fluid is formed between the two rubber bodies (24). The flow channel body (3) is arranged in the cavity (4) and comprises a ring body (31). The inner circular surface of the ring body (31) is provided with a boss (32) adapted to the convex ring (22), and a gap is provided between the boss (32) and the convex ring (22).

2. The triangular arm hydraulic bushing according to claim 1, characterized in that: A flow channel rubber (33) is provided on the outside of the boss (32), and the flow channel rubber (33) is provided with a plurality of flow channel grooves (34).

3. The triangular arm hydraulic bushing according to claim 1, characterized in that: The ring body (31) is provided with a notch portion (35), and reinforcement blocks (36) are respectively provided at both ends of the ring body (31) located at the notch portion (35).

4. The triangular arm hydraulic bushing according to claim 1, characterized in that: The inner circular surface of the ring body (31) is provided with projections (37) at positions on both sides of the boss (32).

5. The triangular arm hydraulic bushing according to claim 1, characterized in that: Reinforcement ribs (38) are respectively provided at positions on the outer circumferential edge of the ring body (31) and opposite to the boss (32).

6. The triangular arm hydraulic bushing according to claim 5, characterized in that: The outer edge of the reinforcing rib (38) extends outward to form a retaining edge portion (39).

7. The triangular arm hydraulic bushing according to claim 1, characterized in that: An inner plug-in unit (25) is provided at the edge of the rubber body (24).

8. The triangular arm hydraulic bushing according to claim 1, characterized in that: The inner side wall of the outer tube (1) is provided with a rubber layer (11).

9. The triangular arm hydraulic bushing according to claim 8, characterized in that: The rubber layer (11) is provided with limiting protrusions (12) at the openings at both ends of the outer tube (1).

10. The triangular arm hydraulic bushing according to claim 1, characterized in that: Both ends of the inner tube (21) extend from the outer tube (1) respectively, and a slope portion (26) is provided at the connection between the inner tube (21) and the rubber body (24).

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