Integrated suspension bearing and assembly method thereof

Abstract

The invention provides an integrated suspension bearing and an assembling method thereof.The integrated suspension bearing comprises an assembly type upper support, a rolling assembly and a lower cover, the upper portion of the outer wall of the assembly type upper support extends outwards to form a mounting top face, assembling ribs are arranged on the inner side of the lower surface of the mounting top face, and the edge of the mounting top face extends downwards to form a protective outer wall; a first buckle is inwards arranged on the edge of the lower side of the protective outer wall; the edge of the mounting top surface extends outwards to form a fixing lug; the lower cover is arranged outside the assembly type upper support in a sleeving mode, the top of the lower cover extends outwards to form a supporting top face, the supporting top face is provided with a supporting wall, and the outer side face of the supporting wall extends outwards to form a second buckle. The rolling assembly is arranged between the assembling rib and the supporting wall; a sealing piece is arranged at the top of the supporting wall, when the second buckle of the lower cover is buckled into the first buckle of the assembly type upper support, the upper roller path is attached to the assembly rib, the sealing piece abuts against the installation top face, and the assembly type upper support is connected with the lower cover in a sealed mode.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile suspension bearings, and in particular relates to an integrated suspension bearing and an assembly method thereof. 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] The upper support and the suspension bearing at the top are two parts that are assembled together and kept pressed together by the pressure of the coil spring. If relative displacement occurs, the suspension bearing may be worn. More assembly processes also increase costs.

[0005] Therefore, it is necessary to provide an integrated suspension bearing and an assembly method thereof to solve or at least partially solve the above problems. Summary of the invention

[0006] The present invention provides an integrated suspension bearing and an assembly method thereof, which optimizes the structure, arranges an assembly-type upper support, avoids wear caused by a press-fit connection between the suspension bearing and the upper support, and prolongs the service life.

[0007] To achieve the above object, the present invention provides the following technical solutions.

[0008] An integrated suspension bearing comprises an assembled upper support, a rolling assembly and a lower cover, the assembled upper support being cylindrical as a whole, the upper part of the outer wall of the assembled upper support extending outwardly to form an annular mounting top surface, the inner side of the lower surface of the mounting top surface is provided with an assembly rib, the edge of the mounting top surface extending downwardly to form a protective outer wall, the lower side edge of the protective outer wall being provided with a first buckle inwardly along the circumferential direction; the edge of the mounting top surface extending outwardly at intervals to form fixing ears; the lower cover being cylindrical as a whole, the lower cover being sleeved on the outside of the assembled upper support from the bottom of the assembled upper support, the top of the lower cover extending outwardly to form a supporting top surface, the supporting top surface being provided with a supporting wall, the outer side of the supporting wall A second buckle is formed by extending the side surface outward; the rolling assembly is arranged between the assembly rib and the support wall, 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 lower cover, 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; a sealing member is provided on the top of the support wall, and when the second buckle of the lower cover is buckled into the first buckle of the assembly upper support, the upper raceway is fitted with the assembly rib, the sealing member abuts against the mounting top surface, and the assembly upper support is sealed and connected to the lower cover.

[0009] Preferably, a fixing bolt hole is provided on the fixing ear; and the assembly-type upper support is connected to the vehicle body by bolts passing through the fixing bolt hole.

[0010] Preferably, there are a plurality of assembly ribs, and the plurality of assembly ribs are arranged at equal intervals along the circumferential direction.

[0011] Preferably, the first buckle is a segmented buckle, and a plurality of segments of the first buckle are arranged at equal intervals along the circumferential direction.

[0012] Preferably, an annular sealing groove is provided on the top of the supporting wall, and the sealing member is arranged in the sealing groove.

[0013] Preferably, the seal includes a sealing body and a sealing edge, the sealing body is arranged in the sealing groove, the sealing edge is arranged at the top of the sealing body and extends outward and upward, and when the second buckle of the lower cover is buckled into the first buckle of the assembly upper support, the sealing edge is arranged in contact with the installation top surface.

[0014] Preferably, the sealing member is an O-ring, and the sealing ring is arranged in the sealing groove.

[0015] Preferably, an annular mounting groove is provided on the top of the lower cover, the mounting groove is located on the inner side of the supporting wall, and the rolling element retainer is arranged in the mounting groove.

[0016] Preferably, the material of the assembled upper support is aluminum alloy, the material of the lower cover is plastic, the material of the lower raceway, the rolling element and the upper raceway are all metal, and the material of the rolling element retainer is plastic.

[0017] Based on the same concept, the present invention also provides an assembly method of the above-mentioned integrated suspension bearing, comprising the following steps:

[0018] Providing an assembly-type upper support, wherein the assembly-type upper support is manufactured by casting;

[0019] Providing a lower cover, wherein the lower cover is made by injection molding;

[0020] Providing a sealing member, and assembling the sealing member into the sealing groove of the lower cover;

[0021] Providing a lower raceway, a rolling body, a rolling body retainer and an upper raceway, arranging the lower raceway and the rolling body retainer on the lower cover, arranging the rolling body on the rolling body retainer, and arranging the upper raceway above the rolling body;

[0022] The assembly-type upper support is buckled to the lower cover, and a set pressure is applied to the assembly-type upper support by a press machine, so that the first buckle of the assembly-type upper support is aligned and buckled with the second buckle of the lower cover, so that the upper raceway is fitted with the assembly rib, and the sealing member is in contact with the mounting top surface, so as to realize the buckling and sealing of the assembly-type upper support and the lower cover;

[0023] The test confirmed that the assembled upper support can rotate freely relative to the lower cover to complete the assembly.

[0024] Compared with the prior art, the technical solution of the embodiment of the present invention has beneficial effects.

[0025] For example, the integrated suspension bearing and its assembly method provided by the present invention are provided with an assembly-type upper support, the upper part of the outer wall of the assembly-type upper support extends outward to form a mounting top surface, the inner side of the lower surface of the mounting top surface is provided with an assembly rib, the edge of the mounting top surface extends downward to form a protective outer wall, the lower edge of the protective outer wall is provided with a first buckle inwardly along the circumferential direction; the edge of the mounting top surface extends outward at intervals to form fixing ears; the lower cover is sleeved on the outside of the assembly-type upper support from the bottom of the assembly-type upper support, the top of the lower cover extends outward to form a supporting top surface, and the supporting top surface is provided with a supporting The outer surface of the supporting wall extends outward to form a second buckle; the rolling assembly is arranged between the assembly rib and the supporting wall, the lower raceway is arranged on the lower cover, the rolling bodies are arranged in sequence on the rolling body retaining frame and are fitted with the lower raceway, and the upper raceway is fitted above the rolling bodies; the connection between the lower cover and the assembly-type upper support is achieved by fastening the second buckle of the lower cover to the first buckle of the assembly-type upper support, the assembly-type upper support avoids the wear caused by the press-fit connection between the suspension bearing and the upper support, is safer and more reliable, and extends the service life; reducing the number of assembly steps will also reduce the occurrence of errors.

[0026] For another example, the assembly ribs arranged on the inner side of the lower surface of the mounting top surface of the assembly-type upper support are fitted with the upper raceway ribs. The assembly-type upper support is made of aluminum alloy material, which has better compressive resistance than plastic material. The interval hollow setting of the assembly ribs saves materials and reduces weight, and can adapt to more severe working conditions.

[0027] For another example, a seal is disposed on the top of the support wall to achieve a sealed connection between the assembled upper support and the lower cover. The type of seal 400 can be selected according to the use environment, and is suitable for occasions with different sealing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a cross-sectional view of an integrated suspension bearing according to an embodiment of the present invention;

[0029] Figure 2 yes Figure 1 The enlarged schematic diagram at A in the middle;

[0030] Figure 3 yes Figure 1 The enlarged schematic diagram of point B in the middle;

[0031] Figure 4 is a partial cross-sectional view of another integrated suspension bearing according to an embodiment of the present invention;

[0032] Figure 5 A bottom view of an integrated suspension bearing assembly upper support according to an embodiment of the present invention.

[0033] Description of reference numerals:

[0034] 100, assembly type upper support; 200, rolling assembly; 300, lower cover; 400, sealing element;

[0035] 101, installation top surface; 102, assembly rib; 103, protection outer wall; 104, first buckle; 105, fixing ear; 106, fixing bolt hole;

[0036] 201, upper raceway; 202, rolling element; 203, lower raceway; 204, rolling element retainer;

[0037] 301, supporting top surface; 302, supporting wall; 303, second buckle; 304, mounting groove;

[0038] 401, sealing body; 402, sealing edge; 403, sealing ring;

[0039] 500. Bolts. DETAILED DESCRIPTION

[0040] 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 understandable 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 also be omitted; it should be noted that the "circumferential direction" in the following description refers to the "circumferential direction" of the assembly-type upper support 100.

[0041] Reference Figure 1-Figure 5 , an embodiment of the present invention provides an integrated suspension bearing and an assembly method thereof.

[0042] Specifically, the integrated suspension bearing comprises an assembled upper support 100, a rolling assembly 200 and a lower cover 300. The assembled upper support 100 is cylindrical as a whole. The upper part of the outer wall of the assembled upper support 300 extends outward to form an annular mounting top surface 101. The inner side of the lower surface of the mounting top surface 101 is provided with an assembly rib 102. The edge of the mounting top surface 101 extends downward to form a protective outer wall 103. The lower edge of the protective outer wall 103 is provided with a first buckle 104 inwardly and circumferentially; the edge of the mounting top surface 101 extends outward at intervals to form fixing ears 105; the lower cover 300 is cylindrical as a whole. The lower cover 300 is sleeved on the outside of the assembled upper support 100 from the bottom of the assembled upper support 100. The top of the lower cover 300 extends outward to form a supporting top surface 301. The supporting top surface 301 is provided with a supporting wall 302. The outer surface of the support wall 302 A second buckle 303 is formed by extending outward from the side surface; the rolling component 200 is arranged between the assembly rib 102 and the support wall 302, and the rolling component 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 lower cover 300, 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; a seal 400 is arranged on the top of the support wall 302, and when the second buckle 303 of the lower cover 300 is buckled into the first buckle 104 of the assembly upper support 100, the upper raceway 201 is fitted with the assembly rib 102, the seal 400 abuts against the mounting top surface 101, and the assembly upper support 100 is sealed and connected to the lower cover 300.

[0043] In some embodiments, the fixing ears 105 are provided with fixing bolt holes 106; the assembly-type upper support 100 is connected to the vehicle body by bolts 500 passing through the fixing bolt holes 106. In a specific implementation, three fixing ears 105 are arranged at equal intervals in the circumferential direction, and the connection with the vehicle body is reliable.

[0044] In some embodiments, there are multiple assembly ribs 102, and the multiple assembly ribs 102 are arranged at equal intervals along the circumferential direction. The interval arrangement of the assembly ribs 102 makes the assembly-type upper support 100 have a hollow structure, saving materials and reducing weight; the assembly-type upper support 100 is made of aluminum alloy, which has better compressive resistance than plastic material. It saves materials and reduces weight while ensuring compressive resistance, and can adapt to more severe working conditions.

[0045] In some embodiments, the first buckle 104 is a segmented buckle, and multiple segments of the first buckle 104 are arranged at equal intervals along the circumferential direction; since the assembly-type upper support 100 is made of aluminum alloy and has weak deformation performance, when fastened with the second buckle 303, the segmented buckle is easier to fasten with the second buckle 303 than the complete annular buckle.

[0046] In some embodiments, an annular sealing groove is disposed on the top of the supporting wall 302 , and the sealing member 400 is disposed in the sealing groove.

[0047] In some embodiments, the seal 400 includes a sealing body 401 and a sealing edge 402. The sealing body 401 is arranged in a sealing groove, and the sealing edge 402 is arranged at the top of the sealing body 401 and extends outward and upward. When the second buckle 303 of the lower cover 300 is buckled into the first buckle 104 of the assembly upper support 100, the sealing edge 402 is arranged in a fit with the installation top surface 101, thereby achieving a good fit between the lower cover 300 and the assembly upper support 100, which is suitable for occasions with complex application environments and high sealing requirements.

[0048] In some embodiments, the seal 400 is an O-ring 403, which is disposed in a sealing groove to achieve contact sealing between the lower cover 300 and the assembled upper support 100, and is suitable for applications with simple environments and general sealing requirements.

[0049] In some embodiments, an annular mounting groove 304 is disposed on the top of the lower cover 300 . The mounting groove 304 is located on the inner side of the supporting wall 302 . The rolling element retainer 204 is disposed in the mounting groove 304 .

[0050] In some embodiments, the lower cover 300 is 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.

[0051] The present invention also provides an assembly method of an integrated suspension bearing, comprising the following steps:

[0052] An assembly-type upper support 100 is provided, and the assembly-type upper support 100 is manufactured by casting;

[0053] A lower cover 300 is provided, and the lower cover 300 is manufactured by injection molding;

[0054] Providing a sealing member 400, and assembling the sealing member 400 into the sealing groove of the lower cover 300;

[0055] 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;

[0056] The assembled upper support 100 is buckled onto the lower cover 300, and a press machine is used to apply a set pressure to the assembled upper support 100, so that the first buckle 104 of the assembled upper support 100 is aligned and buckled with the second buckle 303 of the lower cover 300, so that the upper raceway 201 and the assembly rib 102 are arranged in a close fit, and the seal 400 is in contact with the installation top surface 101, so as to achieve the buckling and sealing of the assembled upper support 100 and the lower cover 300;

[0057] The test confirms that the assembled upper support 100 can rotate freely relative to the lower cover 300, thus completing the assembly.

[0058] In summary, the integrated suspension bearing and the assembly method thereof according to the embodiment of the present invention are provided with an assembled upper support 100, the upper part of the outer wall of the assembled upper support 100 extends outward to form a mounting top surface 101, the inner side of the lower surface of the mounting top surface 101 is provided with an assembly rib 102, the edge of the mounting top surface 101 extends downward to form a protective outer wall 103, the lower edge of the protective outer wall 103 is provided with a first buckle 104 inwardly and circumferentially; the edge of the mounting top surface 101 extends outward at intervals to form fixing ears 105; the lower cover 300 is sleeved on the outside of the assembled upper support 100 from the bottom of the assembled upper support 100, the top of the lower cover 300 extends outward to form a supporting top surface 301, and the supporting top surface 301 is provided with a supporting wall 30 2. The outer surface of the support wall 302 extends outward to form a second buckle 303; the rolling assembly 200 is arranged between the assembly rib 102 and the support wall 302, the lower raceway 203 is arranged on the lower cover 300, the rolling elements 202 are arranged in sequence on the rolling element retainer 204 and are arranged in close contact with the lower raceway 203, and the upper raceway 201 is arranged in close contact above the rolling elements 202; the connection between the lower cover 300 and the assembly-type upper support 100 is achieved by snapping the second buckle 302 of the lower cover 300 to the first buckle 104 of the assembly-type upper support 100, and the assembly-type upper support 100 avoids wear caused by the press-fit connection between the suspension bearing and the upper support, is safer and more reliable, and prolongs the service life; reducing the number of assembly steps will also reduce the occurrence of errors.

[0059] Furthermore, the assembly ribs 102 arranged on the inner side of the lower surface of the mounting top surface 101 of the assembly-type upper support 100 of the present invention are fitted with the upper raceway 201 to provide support. The assembly-type upper support 100 is made of aluminum alloy material, which has better compressive resistance than plastic material. The interval hollow setting of the assembly ribs 102 saves materials and reduces weight, and can adapt to more severe working conditions.

[0060] Furthermore, a seal 400 is provided on the top of the support wall 302 of the present invention to achieve a sealed connection between the assembled upper support 100 and the lower cover 300. The type of the seal 400 can be selected according to the use environment, and is suitable for occasions with different sealing requirements.

[0061] 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. An integrated suspension bearing, characterized in that: The cam is provided with an angular contact surface, and the cam is provided with a plurality of cams, each of which ... A second buckle is extended to form; the rolling assembly is arranged between the assembly rib and the support wall, 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 lower cover, 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; a sealing member is arranged on the top of the support wall, when the second buckle of the lower cover is buckled into the first buckle of the assembly upper support, the upper raceway is fitted with the assembly rib, the sealing member abuts against the mounting top surface, and the assembly upper support is sealed and connected to the lower cover.

2. The integrated suspension bearing according to claim 1, characterized in that: The fixing ear is provided with a fixing bolt hole; the assembly-type upper support is connected to the vehicle body by means of bolts passing through the fixing bolt hole.

3. The integrated suspension bearing according to claim 1, characterized in that: There are multiple assembly ribs, and the multiple assembly ribs are arranged at equal intervals along the circumferential direction.

4. The integrated suspension bearing according to claim 1, characterized in that The first buckle is a segmented buckle, and a plurality of segments of the first buckle are arranged at equal intervals along the circumferential direction.

5. The integrated suspension bearing according to claim 1, characterized in that: An annular sealing groove is arranged on the top of the supporting wall, and the sealing member is arranged in the sealing groove.

6. The integrated suspension bearing according to claim 5, characterized in that The seal includes a sealing body and a sealing edge, the sealing body is arranged in the sealing groove, the sealing edge is arranged at the top of the sealing body and extends outward and upward, and when the second buckle of the lower cover is buckled into the first buckle of the assembly upper support, the sealing edge is arranged in contact with the installation top surface.

7. The integrated suspension bearing according to claim 5, characterized in that: The sealing member is an O-type sealing ring, and the sealing ring is arranged in the sealing groove.

8. The integrated suspension bearing according to claim 1, characterized in that: The top of the lower cover is provided with an annular mounting groove, the mounting groove is located on the inner side of the supporting wall, and the rolling element retainer is arranged in the mounting groove.

9. The integrated suspension bearing according to claim 1, characterized in that: The material of the assembly-type upper support is aluminum alloy, the material of the lower cover is plastic, the material of the lower raceway, the rolling element and the upper raceway are all metal, and the material of the rolling element retainer is plastic.

10. An assembly method of an integrated suspension bearing according to any one of claims 1 to 9, characterized in that: The steps include: Providing an assembly-type upper support, wherein the assembly-type upper support is manufactured by casting; Providing a lower cover, wherein the lower cover is made by injection molding; Providing a sealing member, and assembling the sealing member into the sealing groove of the lower cover; Providing a lower raceway, a rolling body, a rolling body retainer and an upper raceway, arranging the lower raceway and the rolling body retainer on the lower cover, arranging the rolling body on the rolling body retainer, and arranging the upper raceway above the rolling body; The assembly-type upper support is buckled to the lower cover, and a set pressure is applied to the assembly-type upper support by a press machine, so that the first buckle of the assembly-type upper support is aligned and buckled with the second buckle of the lower cover, so that the upper raceway is fitted with the assembly rib, and the sealing member is in contact with the mounting top surface, so as to realize the buckling and sealing of the assembly-type upper support and the lower cover; The test confirmed that the assembled upper support can rotate freely relative to the lower cover to complete the assembly.

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