Sealing-form-selectable high-bearing-capacity suspension bearing

Abstract

The utility model provides a high bearing capacity suspension bearing with selectable sealing forms, which comprises an upper cover, a rolling component and a lower cover, a plurality of groups of weight reduction grids are arranged on the top of the upper cover along the circumferential direction, and reinforcing rib positions are formed between the adjacent weight reduction grids; the upper cover extends outwards to form a first top face, the first top face extends downwards to form a first outer wall, the middle of the first outer wall extends outwards to form a second top face, the second top face extends downwards to form a second outer wall, and the edge of the bottom of the upper cover extends outwards to form a first buckle. A supporting wall is arranged at the top of the lower cover, a blocking wall is arranged at the top of the supporting wall, the supporting wall extends outwards to form a blocking flange, and the inner side edge of the lower cover extends inwards to form a second buckle; the rolling assembly is arranged between the reinforcing rib position and the supporting wall, and when the upper cover and the lower cover are aligned and buckled through the first buckle and the second buckle, the blocking wall, the first outer wall, the blocking flange and the second outer wall form a labyrinth structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile suspension bearings, and in particular relates to a high-load-bearing suspension bearing with optional sealing forms. Background Art

[0002] The suspension is used to connect the car wheels and body. It can reduce the impact force transmitted to the car body by the uneven road surface, reduce the vibration of the car body caused by it, and ensure that the car can run smoothly.

[0003] The suspension bearing is an important component of the suspension system. It is located at the upper end of the coil spring in the suspension system. The upper end of the suspension bearing is usually connected to the vehicle body through an upper support set at the top. The upper support, suspension bearing, coil spring, spring pad and shock absorber sleeve wrapped in a dust cover are called the shock absorber assembly. The force from the wheel is transmitted to the vehicle body through the coil spring, shock absorber sleeve and suspension bearing. The suspension bearing needs to be able to withstand axial force and radial force. Existing suspension bearings are usually composed of plastic upper and lower covers and metal rolling components.

[0004] Suspension bearings are usually used in McPherson suspension assemblies. The earliest McPherson suspension was used in family cars weighing about 1 ton. However, with the popularity of new energy vehicles, the overall weight of the car continues to increase. For example, the full-load weight of the M7 is close to 3 tons. This puts higher requirements on the load-bearing capacity of the suspension bearings. At present, high-load suspension bearings mostly use all-metal bearings, which have the disadvantages of being not corrosion-resistant, heavy and costly.

[0005] In addition, with the globalization of automobile sales, on the one hand, automobiles need to be used in more diverse environments. On the other hand, the platformization of chassis development by whole-machine factories requires a platform to adapt to more diverse requirements. For suspension bearings, this is mainly reflected in the different demands for sealing effects. Suspension bearings are required to meet the different sealing effect requirements for use in various environments.

[0006] Therefore, it is necessary to provide a high-load-bearing suspension bearing with optional sealing form to solve or at least partially solve the above problems. Utility Model Content

[0007] The utility model provides a high-load-bearing suspension bearing with optional sealing forms, optimizes the upper cover structure, and sets reinforcing ribs and weight-reducing grilles to reduce weight without reducing the bearing capacity of the bearing; optimizes the edge structures of the upper cover and the lower cover to form a labyrinth sealing structure to meet the sealing requirements.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0009] A high-load-bearing suspension bearing with optional sealing form comprises an upper cover, a rolling assembly and a lower cover, the upper cover being cylindrical as a whole, and a plurality of groups of weight-reducing grids are arranged at equal intervals along the circumferential direction on the top of the upper cover, and reinforcing ribs are formed between adjacent weight-reducing grids; the top edge of the upper cover extends outward to form a first top surface, the edge of the first top surface extends downward to form a first outer wall, the middle part of the outer side of the first outer wall extends outward to form a second top surface, the edge of the second top surface extends downward to form a second outer wall, and the bottom edge of the upper cover extends outward to form a first buckle; the lower cover is cylindrical as a whole, and the lower cover is sleeved on the outside of the upper cover from the bottom of the upper cover, and a support wall is coaxially arranged on the top of the lower cover, and the support wall A barrier wall is arranged on the top, and a barrier flange is formed by extending outward from the middle part of the outer side of the support wall, and a second buckle is formed by extending inward from the inner edge of the top of the lower cover; the rolling assembly is arranged between the reinforcing rib and the support wall, and when the upper cover and the lower cover are aligned and buckled with the first buckle and the second buckle, the barrier wall is located on the inner side of the first outer wall, and the barrier flange is close to the inner side surface of the second outer wall, and the barrier wall, the first outer wall, the barrier flange and the second outer wall form a maze structure; a first sealing edge is extended from the edge of the second outer wall, and a second sealing edge is extended outward from the bottom edge of the lower cover, and a sealing member can be optionally arranged on the first sealing edge or the second sealing edge.

[0010] Preferably, the sealing member is a sealing lip, which is arranged on the inner side of the first sealing edge, and the lower part of the sealing lip is provided with a first lip and a second lip, the first lip extends outward, and the second lip extends inward, and when the first buckle is aligned and buckled with the second buckle, the second lip abuts against the lower cover.

[0011] Preferably, the sealing member is a sealing rubber ring, a groove is provided at the top of the second sealing edge, the groove is in the shape of an inverted boss, the sealing rubber ring is arranged in the groove, and when the first buckle and the second buckle are aligned and buckled, the top of the sealing rubber ring abuts against the first sealing edge.

[0012] Preferably, each group of the weight-reducing grids includes a plurality of triangular grids.

[0013] Preferably, the rolling assembly includes a lower raceway, a rolling body retainer, a rolling body and an upper raceway, the lower raceway is arranged on the support wall, the rolling body retainer is arranged on the lower cover, the rolling bodies are arranged in sequence on the rolling body retainer and are fitted with the lower raceway, and the upper raceway is fitted above the rolling body; when the second buckle of the lower cover is buckled into the first buckle of the upper cover, the upper raceway abuts against the reinforcing rib.

[0014] Preferably, the lower raceway, the rolling element and the upper raceway are all made of metal, and the rolling element retainer is made of plastic.

[0015] Preferably, the upper cover and the lower cover are both made of plastic.

[0016] Compared with the prior art, the technical solution of the embodiment of the utility model has beneficial effects.

[0017] For example, the utility model provides a high-load-bearing suspension bearing with an optional sealing form. A plurality of groups of weight-reducing grids are arranged at equal intervals along the circumferential direction on the top of the upper cover, and reinforcing ribs are formed between adjacent weight-reducing grids, which can reduce weight without affecting the bearing capacity of the bearing, and the reinforcing ribs can improve the assembly strength of the suspension bearing; the top edge of the upper cover extends to form a first top surface, the first top surface extends downward to form a first outer wall, the middle part of the outer side of the first outer wall extends outward to form a second top surface, the edge of the second top surface extends downward to form a second outer wall, and the upper cover The bottom edge of the cover extends outward to form a first buckle; a support wall is coaxially arranged on the top of the lower cover, a barrier wall is arranged on the top of the support wall, the middle part of the outer side of the support wall extends outward to form a barrier flange, and the inner edge of the top of the lower cover extends inward to form a second buckle; when the upper cover and the lower cover are aligned and buckled with the first buckle and the second buckle, the barrier wall is located on the inner side of the first outer wall, and the barrier flange is close to the inner side surface of the second outer wall. The barrier wall, the first outer wall, the barrier flange and the second outer wall form a maze structure to meet basic sealing requirements.

[0018] For another example, a first sealing edge is extended from the edge of the second outer wall, a second sealing edge is extended outward from the bottom edge of the lower cover, a sealing member is provided on the first sealing edge or the second sealing edge, the sealing member is a sealing lip, the sealing lip is provided on the inner side of the first sealing edge, a first lip and a second lip are provided at the lower part of the sealing lip, the first lip extends outward, and the second lip extends inward, and when the first buckle is aligned and fastened with the second buckle, the second lip abuts against the lower cover; the sealing member is a sealing rubber ring, a groove is provided on the top of the second sealing edge, the groove is in the shape of an inverted boss, the sealing rubber ring is provided in the groove, and when the first buckle is aligned and fastened with the second buckle, the top of the sealing rubber ring abuts against the first sealing edge; different types of seals can be optionally provided to achieve different sealing effects to meet usage scenarios with different sealing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of a high-load-bearing suspension bearing with optional sealing form according to an embodiment of the utility model;

[0020] Figure 2 yes Figure 1 The enlarged schematic diagram at A in the middle;

[0021] Figure 3yes Figure 1 The enlarged schematic diagram of point B in the middle;

[0022] Figure 4 It is a top view of a high-load-bearing suspension bearing with optional sealing form according to an embodiment of the utility model;

[0023] Figure 5 It is a partial cross-sectional view of a high-load-bearing suspension bearing seal in which the sealing form of an embodiment of the utility model is optional and is a sealing lip;

[0024] Figure 6 It is a partial cross-sectional view of an embodiment of the utility model in which the sealing form of the high-load-bearing suspension bearing seal is an optional sealing rubber ring;

[0025] Figure 7 It is a schematic diagram of glue dispensing when the sealing form of the high-load-bearing suspension bearing seal in the embodiment of the utility model is an optional sealing rubber ring.

[0026] Description of reference numerals:

[0027] 100, upper cover; 200, rolling assembly; 300, lower cover; 400, sealing member;

[0028] 101. weight-reducing grid; 102. reinforcing rib position; 103. first top surface; 104. first outer wall; 105. second top surface; 106. second outer wall; 107. first buckle; 108. first sealing edge;

[0029] 201, upper raceway; 202, rolling element; 203, lower raceway; 204, rolling element retainer;

[0030] 301, supporting wall; 302, barrier wall; 303, barrier flange; 304, second buckle; 305, second sealing edge; 306, groove;

[0031] 401, sealing lip; 402, sealing rubber ring;

[0032] 500. Glue dispensing machine. DETAILED DESCRIPTION

[0033] In order to make the purpose, features and beneficial effects of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It is understood that the specific embodiments described below are only used to explain the present invention, rather than to limit the present invention. In addition, the same or similar reference numerals may be used in the figures to refer to the same or similar elements in different embodiments, and the description of the same or similar elements in different embodiments and the description of the prior art elements, features, effects, etc. may be omitted.

[0034] Reference Figure 1-Figure 7The embodiment of the utility model provides a high-load-bearing suspension bearing with optional sealing form.

[0035] Specifically, a high-load-bearing suspension bearing with optional sealing form includes an upper cover 100, a rolling assembly 200 and a lower cover 300. The upper cover 100 is cylindrical as a whole, and a plurality of groups of weight-reducing grids 101 are arranged at equal intervals along the circumferential direction on the top of the upper cover 100, and reinforcing ribs 102 are formed between adjacent weight-reducing grids 101; the top edge of the upper cover 100 extends outward to form a first top surface 103, and the edge of the first top surface 103 extends downward to form a first outer wall 104, and the middle part of the outer side of the first outer wall 104 extends outward to form a second top surface 105, and the edge of the second top surface 105 extends downward to form a second outer wall 106, and the bottom edge of the upper cover 100 extends outward to form a first buckle 107; the lower cover 300 is cylindrical as a whole, and the lower cover 300 is sleeved on the outside of the upper cover 100 from the bottom of the upper cover 100, and a support wall 301 is coaxially arranged on the top of the lower cover 300, supporting A barrier wall 302 is provided at the top of the support wall 301, and a barrier flange 303 is extended outward from the middle of the outer side of the support wall 301, and a second buckle 304 is extended inward from the inner edge of the top of the lower cover 300; the rolling assembly 200 is arranged between the reinforcing rib position 102 and the support wall 301, and when the upper cover 100 and the lower cover 300 are aligned and buckled with the first buckle 107 and the second buckle 304, the barrier wall 302 is located on the inner side of the first outer wall 104, and the barrier flange 302 is close to the inner side surface of the second outer wall 106, and the barrier wall 302, the first outer wall 104, the barrier flange 302 and the second outer wall 106 form a maze structure; a first sealing edge 108 is extended from the edge of the second outer wall 106, and a second sealing edge 305 is extended outward from the bottom edge of the lower cover 300, and a sealing member 400 can be optionally arranged on the first sealing edge 108 or the second sealing edge 305.

[0036] In some embodiments, the sealing member 400 is a sealing lip 401, which is disposed on the inner side of the first sealing edge 108. The lower portion of the sealing lip 401 is provided with a first lip and a second lip. The first lip extends outward and the second lip extends inward. When the first buckle 107 is aligned and buckled with the second buckle 304, the second lip abuts against the lower cover 300.

[0037] In some embodiments, the seal 400 is a sealing rubber ring 402, and a groove 306 is provided at the top of the second sealing edge 305. The groove 306 is in the shape of an inverted boss. The sealing rubber ring 402 is arranged in the groove 306. The inverted boss-shaped groove 306 increases the contact area and reduces the possibility of the sealing rubber ring 402 coming out. When the first buckle 107 and the second buckle 304 are aligned and buckled, the top of the sealing rubber ring 402 abuts against the first sealing edge 108; the inner wall of the groove 306 is a slope, and the angle between it and the vertical plane is 1° to 3°, which is convenient for demolding during injection molding; the sealing rubber ring 402 adopts a quick-drying and wear-resistant composite material to ensure the sealing while keeping the rotational torque of the suspension bearing within an acceptable range.

[0038] Without changing the structure of other parts that cooperate with the suspension bearing, three optional sealing forms are provided: basic labyrinth seal, contact seal of a simple-shaped sealing rubber ring 402, and contact seal of a complex-shaped sealing lip 401; in order to meet the sealing requirements of different customers in different usage environments, different sealing design solutions can be selected according to different markets; thus, cost and performance can be balanced.

[0039] In some embodiments, each set of weight-reducing grids 101 includes a plurality of triangular grids, so that the weight is reduced without affecting the bearing capacity of the bearing.

[0040] In some embodiments, the rolling assembly 200 includes a lower raceway 203, a rolling body retainer 204, a rolling body 202 and an upper raceway 201. The lower raceway 203 is arranged on the support wall 301, the rolling body retainer 204 is arranged on the lower cover 300, the rolling body 202 is arranged in sequence on the rolling body retainer 204 and is fitted with the lower raceway 203, and the upper raceway 201 is fitted above the rolling body 202; when the second buckle 304 of the lower cover 300 is buckled into the first buckle 107 of the upper cover 100, the upper raceway 201 abuts against the reinforcing rib position 102.

[0041] In some embodiments, the upper cover 100 and the lower cover 200 are both made of plastic, the lower raceway 203 , the rolling element 202 and the upper raceway 201 are all made of metal, and the rolling element retainer 204 is made of plastic.

[0042] In order to better illustrate the present invention, a method for manufacturing the above-mentioned high-load-bearing suspension bearing with optional sealing forms is also provided, comprising the following steps:

[0043] The upper cover 100 is manufactured by injection molding;

[0044] The lower cover 300 is manufactured by injection molding;

[0045] Assembling the sealing member 400 to the upper cover 100 or the lower cover 300;

[0046] Provide a lower raceway 203, a rolling body 202, a rolling body retainer 204 and an upper raceway 201, dispose the lower raceway 203 and the rolling body retainer 204 on the lower cover 300, dispose the rolling body 202 on the rolling body retainer 204, and dispose the upper raceway 201 above the rolling body 202;

[0047] The upper cover 100 is buckled onto the lower cover 300, and a set pressure is applied to the upper cover 100 by a press machine, so that the first buckle 107 of the upper cover 100 is aligned and buckled with the second buckle 304 of the lower cover 300, so that the upper raceway 201 is fitted with the reinforcing rib 102, and the sealing member 400 is in contact with the lower cover 300 or the upper cover 100, so as to achieve buckling and sealing of the upper cover 100 and the lower cover 300;

[0048] The test confirms that the upper cover 100 can rotate freely relative to the lower cover 300, and the manufacturing is completed.

[0049] In some embodiments, the sealing member 400 is a sealing lip 401, which is disposed on the inner side of the first sealing edge 108, and the lower part of the sealing lip 401 is provided with a first lip and a second lip, the first lip extends outward, and the second lip extends inward, and further comprises the following steps:

[0050] The sealing lip 401 is integrated into the inner side of the first sealing edge 108 of the upper cover 100 by secondary injection molding.

[0051] The shape and thickness of the sealing lip 401 can be customized, and the one-piece injection-molded sealing lip 401 can adapt to more complex working conditions, such as the need to spread salt in northern regions in winter and the conditions where the roads are covered with mud and water.

[0052] In some embodiments, the sealing member 400 is a sealing rubber ring 402, a groove 306 is provided on the top of the second sealing edge 305, the groove 306 is in the shape of an inverted boss, and the sealing rubber ring 402 is provided in the groove 306, and the following steps are also included:

[0053] A glue dispensing machine 500 is used to form a sealing rubber ring 402 in the groove 306 by dispensing glue.

[0054] The glue dispensing technology can quickly form a simple contact seal of the sealing rubber ring 402. Compared with the traditional contact seal, the glue dispensing seal is faster and more economical. Since the upper cover 100 and the lower cover 300 of the suspension bearing are both made of plastic and are manufactured by injection molding, the glue dispensing seal does not require additional changes to the manufacturing model; the sealing rubber ring 402 can be provided for suspension bearings of various sizes, achieving multiple uses of one machine at a low cost.

[0055] In summary, the sealing form of the embodiment of the utility model can be selected for the high-load-bearing suspension bearing. A plurality of groups of weight-reducing grids 101 are arranged at equal intervals along the circumferential direction on the top of the upper cover 100, and reinforcing ribs 102 are formed between adjacent weight-reducing grids 101, which reduce the weight without affecting the bearing capacity of the bearing. The reinforcing ribs 102 improve the assembly strength of the suspension bearing; the top edge of the upper cover 100 extends to form a first top surface 103, the first top surface 103 extends downward to form a first outer wall 104, the middle part of the outer side of the first outer wall 104 extends outward to form a second top surface 105, the edge of the second top surface 105 extends downward to form a second outer wall 106, and the bottom edge of the upper cover 100 extends outward The upper cover 100 and the lower cover 300 are provided with a first buckle 107 extending therefrom; a support wall 301 is coaxially arranged on the top of the lower cover 300, a barrier wall 302 is arranged on the top of the support wall 301, a barrier flange 303 is extended outward from the middle part of the outer side of the support wall 301, and a second buckle 304 is extended inward from the inner edge of the top of the lower cover 300; when the upper cover 100 and the lower cover 300 are aligned and buckled with the first buckle 107 and the second buckle 304, the barrier wall 302 is located on the inner side of the first outer wall 105, and the barrier flange 303 is close to the inner side surface of the second outer wall 106, and the barrier wall 302, the first outer wall 105, the barrier flange 302 and the second outer wall 106 form a labyrinth structure to meet the basic sealing requirements.

[0056] Further, the edge of the second outer wall 106 of the utility model is extended with a first sealing edge 108, and the bottom edge of the lower cover 300 is extended outwardly with a second sealing edge 305. A sealing member 400 is provided on the first sealing edge 108 or the second sealing edge 305. The sealing member 400 is a sealing lip 401, and the sealing lip 401 is provided on the inner side of the first sealing edge 108. The lower part of the sealing lip 401 is provided with a first lip and a second lip. The first lip extends outward, and the second lip extends inward. The first card When the buckle 107 is aligned and buckled with the second buckle 304, the second lip abuts against the lower cover 300; the sealing member 400 is a sealing rubber ring 402, and a groove 306 is provided at the top of the second sealing edge 305. The sealing rubber ring 402 is arranged in the groove 306. When the first buckle 107 is aligned and buckled with the second buckle 304, the top of the sealing rubber ring 402 abuts against the first sealing edge 108. Different types of sealing members 400 can be optionally arranged to achieve different sealing effects to meet usage scenarios with different sealing requirements.

[0057] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative rather than limiting, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claim, based on actual needs and where technically feasible, and may be derived from the technical features of the corresponding independent claim in any appropriate manner rather than simply through the specific combination listed in the claims.

Claims

1. A high load-bearing suspension bearing with optional sealing form, characterized in that: The invention comprises an upper cover, a rolling assembly and a lower cover, wherein the upper cover is cylindrical as a whole, and a plurality of groups of weight-reducing grids are arranged at equal intervals along the circumferential direction on the top of the upper cover, and reinforcing ribs are formed between adjacent weight-reducing grids; the top edge of the upper cover extends outward to form a first top surface, the edge of the first top surface extends downward to form a first outer wall, the middle part of the outer side of the first outer wall extends outward to form a second top surface, the edge of the second top surface extends downward to form a second outer wall, and the bottom edge of the upper cover extends outward to form a first buckle; the lower cover is cylindrical as a whole, and the lower cover is sleeved on the outside of the upper cover from the bottom of the upper cover, a support wall is coaxially arranged on the top of the lower cover, and a barrier wall is arranged on the top of the support wall. The middle part of the outer side of the support wall extends outward to form a blocking flange, and the inner edge of the top of the lower cover extends inward to form a second buckle; the rolling assembly is arranged between the reinforcing rib position and the support wall, and when the upper cover and the lower cover are aligned and buckled with the first buckle and the second buckle, the blocking wall is located on the inner side of the first outer wall, and the blocking flange is close to the inner side surface of the second outer wall, and the blocking wall, the first outer wall, the blocking flange and the second outer wall form a maze structure; the edge of the second outer wall is extended to form a first sealing edge, and the bottom edge of the lower cover is extended outward to form a second sealing edge, and a sealing member can be optionally arranged on the first sealing edge or the second sealing edge.

2. The high load-bearing suspension bearing with optional sealing form according to claim 1, characterized in that: The sealing member is a sealing lip, which is arranged on the inner side of the first sealing edge. The lower part of the sealing lip is provided with a first lip and a second lip. The first lip extends outwardly and the second lip extends inwardly. When the first buckle is aligned and buckled with the second buckle, the second lip abuts against the lower cover.

3. The high load-bearing suspension bearing with optional sealing form according to claim 1, characterized in that: The sealing component is a sealing rubber ring, and a groove is arranged on the top of the second sealing edge. The groove is in the shape of an inverted boss, and the sealing rubber ring is arranged in the groove. When the first buckle is aligned and buckled with the second buckle, the top of the sealing rubber ring abuts against the first sealing edge.

4. The high load-bearing suspension bearing with optional sealing form according to claim 1, characterized in that: Each group of the weight-reducing grids includes a plurality of triangular grids.

5. The high load-bearing suspension bearing with optional sealing form according to claim 1, characterized in that: The rolling assembly includes a lower raceway, a rolling body retainer, a rolling body and an upper raceway, the lower raceway is arranged on the supporting wall, the rolling body retainer is arranged on the lower cover, the rolling bodies are arranged in sequence on the rolling body retainer and are fitted with the lower raceway, and the upper raceway is fitted above the rolling body; when the second buckle of the lower cover is buckled into the first buckle of the upper cover, the upper raceway abuts against the reinforcing rib.

6. The high load-bearing suspension bearing with optional sealing form according to claim 5, characterized in that: The lower raceway, the rolling element and the upper raceway are all made of metal, and the rolling element retainer is made of plastic.

7. The high load-bearing suspension bearing with optional sealing form according to claim 1, characterized in that: The upper cover and the lower cover are both made of plastic.

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