Automobile suspension bearing

Abstract

The utility model provides an automobile suspension bearing, and belongs to the technical field of automobile accessories. The problem that lubricating oil is inconvenient to add into an existing automobile suspension bearing is solved. The automobile suspension bearing comprises an upper bearing cover, a lower bearing cover is arranged at the bottom of the upper bearing cover, a steel ball is arranged between the lower bearing cover and an inner cavity of the upper bearing cover, a retainer is arranged on the outer surface of the steel ball, and an inner sealing lip and an outer sealing lip are fixedly installed at the inner diameter position of the retainer. A plastic buckle is arranged at the joint of the lower bearing cover and the outer ring of the upper bearing cover; and an upper sealing lip and a lower sealing lip are arranged at the upper end and the lower end of the plastic buckle. The sealing performance in the bearing is effectively improved, the service life of the bearing is prolonged, lubricating oil is convenient to add, and the damage rate of the bearing is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories and relates to an automobile suspension bearing. Background Art

[0002] Automobile suspension bearings are an important part of the suspension system. They are responsible for supporting the wheels and allowing the wheels to move vertically and horizontally relative to the body of the vehicle. These bearings usually need to withstand impact and vibration from the road while ensuring good contact between the wheels and the ground to maintain vehicle stability and ride comfort.

[0003] After searching, the announcement number is CN220396300U, and the name is an anti-pull-off automobile suspension bearing, including a bearing upper cover, a bearing lower cover and a ball. Through research and analysis, it is found that it has the advantages of good anti-pull-off effect, etc. However, it still has the following disadvantages to a certain extent.

[0004] For example, the sealing is still not ideal, and there is no function for quickly adding lubricating oil. After the bearing has been used for a long time, the buckle needs to be removed, the upper cover and the lower cover of the bearing need to be separated as a whole, and then the lubricating oil can be added. This method is not only cumbersome, but also frequent disassembly and assembly can easily cause damage to the bearing, affecting the service life of the bearing. Summary of the invention

[0005] The utility model aims to provide an automobile suspension bearing with simple structure and good sealing performance in view of the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: an automobile suspension bearing, comprising a bearing upper cover, a bearing lower cover is arranged at the bottom of the bearing upper cover, a steel ball is arranged between the inner cavity of the bearing lower cover and the bearing upper cover, a retaining frame is arranged on the outer surface of the steel ball, an inner sealing lip and an outer sealing lip are fixedly installed at the inner diameter of the retaining frame, a plastic buckle is arranged at the connection between the bearing lower cover and the outer ring of the bearing upper cover, and an upper sealing lip and a lower sealing lip are arranged at the upper and lower ends of the plastic buckle.

[0007] The automobile suspension bearing is mainly provided with an inner sealing lip, an outer sealing lip, an upper sealing lip and a lower sealing lip between the bearing upper cover and the bearing lower cover respectively, and utilizes a multi-layer sealing structure to effectively seal the inner ring and the outer ring of the bearing at the same time, thereby effectively improving the sealing performance of the bearing and extending the service life of the bearing.

[0008] In the above-mentioned automobile suspension bearing, the inner sealing lip contacts the lower surface of the bearing upper cover, and the outer sealing lip contacts the inner surface of the bearing lower cover. The inner sealing lip and the outer sealing lip are tightly sealed with the bearing upper cover and the bearing lower cover, which can effectively prevent external waste or water stains from entering the bearing from the inner ring of the bearing.

[0009] In the above-mentioned automobile suspension bearing, the upper sealing lip contacts the lower surface of the bearing upper cover, and the lower sealing lip contacts the outer surface of the bearing lower cover. The upper sealing lip and the lower sealing lip seal the connection between the outer ring of the bearing upper cover and the bearing lower cover, effectively preventing external waste or water stains from entering the bearing from the outer ring of the bearing.

[0010] In the above-mentioned automobile suspension bearing, a slot is provided on the outer ring of the upper bearing cover, and the outer end of the plastic buckle is in a snap-fit ​​state with the inner wall of the slot. The purpose of this arrangement is to provide a snap-fit ​​design for the upper bearing cover and the lower bearing cover, so that the upper bearing cover and the lower bearing cover can be stably connected together, thereby improving the stability of the bearing during rotation.

[0011] In the above-mentioned automobile suspension bearing, the inner sealing lip, outer sealing lip, upper sealing lip and lower sealing lip are all made of waterproof rubber. The sealing member made of waterproof rubber effectively improves the sealing performance of the bearing, so that the steel ball inside the bearing will not be affected by water entering and rolling.

[0012] In the above-mentioned automobile suspension bearing, an oil injection assembly is arranged at the edge of the top of the bearing upper cover, and the oil injection assembly includes oil injection holes, and the number of the oil injection holes is four and they are evenly opened on the top of the bearing upper cover. The purpose of such arrangement is to enable oil injection from different positions through the four oil injection holes, so that the lubricating oil is evenly distributed on the surface of the steel ball, thereby improving the lubricity of the steel ball and extending the service life of the bearing.

[0013] In the above-mentioned automobile suspension bearing, the inner cavity of the oil filling hole is threadedly connected with a sealing plug, a sealing ring is arranged between the connection between the sealing plug and the oil filling hole, and a cross notch is provided on the top of the sealing plug. The cross notch design enables the staff to rotate the sealing plug with a screwdriver and remove it from the inside of the oil filling hole, so that oil can be injected into the oil filling hole. The cross notch can only be opened by a tool, and will not fall off automatically during the rotation process.

[0014] Compared with the prior art, the advantages of this automobile suspension bearing are:

[0015] The inner sealing lip and the outer sealing lip are used to seal the connection between the inner ring of the bearing upper cover and the bearing lower cover, which effectively improves the sealing inside the bearing, and the upper sealing lip and the lower sealing lip are used to seal the connection between the outer ring of the bearing upper cover and the bearing lower cover, which further improves the sealing of the bearing, prevents external waste or water stains from entering the bearing from the inner ring of the bearing, and extends the service life of the internal steel balls.

[0016] By setting up four oil filling holes, lubricating oil can be injected directly from the outside to the surface of the steel ball inside the bearing, so that the lubricating oil can quickly enter the bearing and reduce the possibility of lubricating oil leakage. At the same time, after the manual oil filling is completed, it can be quickly sealed through the sealing plug to ensure that the added lubricating oil will not leak, thereby extending the lubrication time of the lubricating oil. There is no need to manually disassemble the bearing to add lubricating oil, thereby reducing the bearing damage rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of the automobile suspension bearing.

[0018] Figure 2 It is a schematic diagram of the top view of the structure of the automobile suspension bearing in the second embodiment.

[0019] Figure 3 It is a schematic cross-sectional view of the local structure of the automobile suspension bearing in the second embodiment.

[0020] In the figure, 1, bearing upper cover; 2, steel ball; 3, retaining frame; 31, inner sealing lip; 32, outer sealing lip; 4, plastic buckle; 41, upper sealing lip; 42, lower sealing lip; 5, bearing lower cover; 6, slot; 7, oil filling assembly; 71, oil filling hole; 72, sealing plug. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. Embodiment 1

[0022] like Figure 1 As shown, the automobile suspension bearing includes a bearing upper cover 1, a bearing lower cover 5 is arranged at the bottom of the bearing upper cover 1, a steel ball 2 is arranged between the bearing lower cover 5 and the inner cavity of the bearing upper cover 1, a retainer 3 is arranged on the outer surface of the steel ball 2, an inner sealing lip 31 and an outer sealing lip 32 are fixedly installed at the inner diameter of the retainer 3, a plastic buckle 4 is arranged at the connection between the bearing lower cover 5 and the outer ring of the bearing upper cover 1, and an upper sealing lip 41 and a lower sealing lip 42 are arranged at the upper and lower ends of the plastic buckle 4.

[0023] During actual manufacturing, the inner sealing lip 31 contacts the lower surface of the bearing upper cover 1 , and the outer sealing lip 32 contacts the inner surface of the bearing lower cover 5 .

[0024] During actual manufacturing, the upper sealing lip 41 contacts the lower surface of the bearing upper cover 1 , and the lower sealing lip 42 contacts the outer surface of the bearing lower cover 5 .

[0025] During actual manufacturing, a clamping groove 6 is provided on the outer ring of the bearing upper cover 1 , and the outer end of the plastic buckle 4 is in clamping engagement with the inner wall of the clamping groove 6 .

[0026] In actual manufacturing, the inner sealing lip 31 , the outer sealing lip 32 , the upper sealing lip 41 and the lower sealing lip 42 are all made of waterproof rubber.

[0027] During actual manufacturing, the inner sealing lip 31 and the outer sealing lip 32 are used to seal the inner ring connection between the bearing upper cover 1 and the bearing lower cover 5, effectively improving the sealing inside the bearing, and the upper sealing lip 41 and the lower sealing lip 42 are used to seal the outer ring connection between the bearing upper cover 1 and the bearing lower cover 5, further improving the bearing sealing, preventing external waste or water stains from entering the bearing from the inner ring of the bearing, and extending the service life of the internal steel ball 2. Embodiment 2

[0028] like Figure 2 and Figure 3 As shown, the automobile suspension bearing includes a bearing upper cover 1, a bearing lower cover 5 is arranged at the bottom of the bearing upper cover 1, a steel ball 2 is arranged between the bearing lower cover 5 and the inner cavity of the bearing upper cover 1, a retainer 3 is arranged on the outer surface of the steel ball 2, an inner sealing lip 31 and an outer sealing lip 32 are fixedly installed at the inner diameter of the retainer 3, a plastic buckle 4 is arranged at the connection between the bearing lower cover 5 and the outer ring of the bearing upper cover 1, and an upper sealing lip 41 and a lower sealing lip 42 are arranged at the upper and lower ends of the plastic buckle 4.

[0029] In actual manufacturing, an oil injection assembly 7 is provided at the edge of the top of the bearing upper cover 1 . The oil injection assembly 7 includes four oil injection holes 71 , which are evenly opened on the top of the bearing upper cover 1 .

[0030] In actual manufacturing, in the above-mentioned automobile suspension bearing, the inner cavity of the oil filling hole 71 is threadedly connected with a sealing plug 72, a sealing ring is arranged between the connection between the sealing plug 72 and the oil filling hole 71, and a cross notch is opened on the top of the sealing plug 72.

[0031] In actual application, by setting four oil filling holes 71, lubricating oil can be directly injected from the outside to the surface of the steel ball 2 inside the bearing, so that the lubricating oil can quickly enter the bearing, reducing the possibility of lubricating oil leakage. At the same time, after the manual oil filling is completed, it can be quickly sealed through the sealing plug 72 to ensure that the added lubricating oil will not leak, extending the lubrication time of the lubricating oil, eliminating the need to manually disassemble the bearing to add lubricating oil, and reducing the bearing damage rate.

[0032] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. An automobile suspension bearing, comprising a bearing upper cover (1), characterized in that: A bearing lower cover (5) is arranged at the bottom of the bearing upper cover (1), a steel ball (2) is arranged between the inner cavity of the bearing lower cover (5) and the bearing upper cover (1), a retaining frame (3) is arranged on the outer surface of the steel ball (2), an inner sealing lip (31) and an outer sealing lip (32) are fixedly mounted at the inner diameter of the retaining frame (3), a plastic buckle (4) is arranged at the connection between the bearing lower cover (5) and the outer ring of the bearing upper cover (1), and an upper sealing lip (41) and a lower sealing lip (42) are arranged at the upper and lower ends of the plastic buckle (4).

2. The automobile suspension bearing according to claim 1, characterized in that: The inner sealing lip (31) contacts the lower surface of the bearing upper cover (1), and the outer sealing lip (32) contacts the inner surface of the bearing lower cover (5).

3. The automobile suspension bearing according to claim 1, characterized in that: The upper sealing lip (41) contacts the lower surface of the bearing upper cover (1), and the lower sealing lip (42) contacts the outer surface of the bearing lower cover (5).

4. The automobile suspension bearing according to claim 1, characterized in that: The outer ring of the bearing upper cover (1) is provided with a clamping groove (6), and the outer end of the plastic buckle (4) is in clamping connection with the inner wall of the clamping groove (6).

5. The automobile suspension bearing according to claim 1, characterized in that: The inner sealing lip (31), the outer sealing lip (32), the upper sealing lip (41) and the lower sealing lip (42) are all made of waterproof rubber.

6. The automobile suspension bearing according to claim 1, characterized in that: An oil injection assembly (7) is provided at the edge of the top of the bearing upper cover (1), and the oil injection assembly (7) comprises oil injection holes (71). The number of the oil injection holes (71) is four and they are evenly arranged on the top of the bearing upper cover (1).

7. The automobile suspension bearing according to claim 6, characterized in that: The inner cavity of the oil filling hole (71) is threadedly connected to a sealing plug (72), a sealing ring is provided between the connection between the sealing plug (72) and the oil filling hole (71), and a cross notch is provided on the top of the sealing plug (72).

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