Swing arm rear bushing mounting sleeve

Abstract

The utility model relates to a swing arm rear bushing mounting sleeve which comprises an outer sleeve connected to a swing arm and is characterized in that an inner sleeve is correspondingly accommodated in the outer sleeve, a bushing is accommodated in the inner sleeve, one end of the outer sleeve extends inwards to form a limiting ring abutting against the end wall of the inner sleeve, and a positioning structure is arranged at the end, opposite to the positioning ring, of the outer sleeve. The end wall of the outer sleeve extends outwards to form a supporting block, the inner sleeve extends outwards to form a connecting lug, the supporting block and the connecting lug are arranged on the same plane in a crossed and staggered mode, and the positioning structure is rotationally connected to the end wall of the outer sleeve and can penetrate through the supporting block. A driving structure which is spirally meshed and connected to the positioning structure is accommodated in the outer sleeve in a penetrating manner; and an anti-skid wire structure corresponding to the opening of the driving structure is arranged on the surface of the driving structure in a penetrating and positioning manner. The mounting sleeve has the effect that the mounting sleeve of the bushing is convenient to replace.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile parts, in particular to a swing arm rear bushing mounting sleeve. BACKGROUND

[0002] In order to support the automobile and enhance the comfort of the automobile, the vibration of the automobile body caused by the moving part is usually buffered, and an automobile bushing sleeve is usually mounted on the automobile body to connect the sleeve through the bushing of the moving part.

[0003] With the popularization of new energy vehicles, the quality of the automobile increases, the working strength of the chassis bushing increases, and the aging time becomes shorter. If the bushing is replaced together with the swing arm, the cost is high. In view of the related technology in the above, the applicant proposes a mounting sleeve convenient for replacing the bushing. CONTENT OF THE UTILITY MODEL

[0004] In order to facilitate the replacement of the mounting sleeve of the bushing, the application provides a swing arm rear bushing mounting sleeve.

[0005] The swing arm rear bushing mounting sleeve provided by the application adopts the following technical scheme:

[0006] A swing arm rear bushing mounting sleeve, comprising an outer sleeve connected to a swing arm, an inner sleeve corresponding and contained in the outer sleeve, a bushing contained in the inner sleeve, a limiting ring extending inward from one end of the outer sleeve and abutting against an end wall of the inner sleeve, a positioning structure provided at one end of the outer sleeve relative to the limiting ring, a support block extending outward from the end wall of the outer sleeve, a connecting lug extending outward from the inner sleeve, the support block and the connecting lug being arranged in the same plane and cross-positioned, and the positioning structure being rotationally connected to the end wall of the outer sleeve and being capable of being provided through the support block; a driving structure is contained and provided through the outer sleeve and is screwingly engaged with the positioning structure, and an anti-slip wire structure corresponding to an opening of the driving structure is provided through and positioned on a surface of the driving structure.

[0007] By adopting the above technical scheme, the end wall of the outer sleeve is provided with the positioning structure, the positioning structure cooperates with the limiting ring, the accurate alignment of the inner sleeve and the bushing during the installation process can be ensured, and the positional deviation is avoided; the support block and the connecting lug are arranged in the same plane and cross-positioned, this design can provide an additional support point and ensure the stability during the installation process, and the driving structure is screwingly engaged with the positioning structure, this design makes the installation and dismounting process more convenient and reduces the operation difficulty.

[0008] Preferably, the positioning structure comprises a positioning pin and a connecting ring, the positioning pin is arranged in an arc shape and is contained in the support block, and the positioning pin can be transversely provided through the connecting lug; the connecting ring extends along the outer sleeve and is rotationally connected to the end wall of the outer sleeve, the positioning pin is fixed to the connecting ring, and the connecting lug is arranged in a staggered manner along the connecting ring.

[0009] Preferably, the support blocks are arranged at intervals, and the interval arc length of the support blocks is smaller than the interval arc length of the interval blocks.

[0010] Preferably, a gap is left between the connecting ears and the two side supporting blocks.

[0011] Preferably, the driving structure comprises driving teeth and a driving screw, the driving teeth are fixed at the end walls of the connecting ring respectively; the driving screw is accommodated and rotated in the outer sleeve, and the driving screw is engaged with the driving teeth, and a groove is formed at one end of the driving screw.

[0012] Preferably, the anti-skid wire structure comprises an extension sleeve, an abutting ring and a pry hole, the extension sleeve is arranged in the spline of the driving screw, and the outer end is formed with the same spline as the driving screw; the abutting ring is arranged on the side wall of the extension sleeve; the pry hole is arranged on the side wall of the outer sleeve and corresponds to the side wall of the extension sleeve, and the pry hole gradually widens from outside to inside.

[0013] In summary, the present application has at least one of the following beneficial technical effects: the end wall of the outer sleeve is provided with a positioning structure, the positioning structure cooperates with the limiting ring to ensure accurate alignment of the inner sleeve and the bushing during installation, and to avoid position deviation; the supporting blocks and the connecting ears are arranged in the same plane and staggered, which can provide additional support points to ensure stability during installation; the driving structure and the positioning structure are connected by screw engagement, which makes the installation and disassembly process more convenient and reduces the operation difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0015] Figure 2 is a structural schematic diagram of an embodiment of the present application;

[0016] Figure 3 is a vertical sectional view of an embodiment of the present application;

[0017] Figure 4 is Figure 3 an enlarged view of part A of

[0018] Figure 5 is a partial cross-sectional schematic diagram of an embodiment of the present application.

[0019] BRIEF DESCRIPTION OF DRAWINGS 1, outer sleeve; 2, inner sleeve; 3, bushing; 4, limiting ring; 5, positioning structure; 51, positioning bolt; 52, connecting ring; 6, driving structure; 61, driving tooth; 62, driving screw; 7, anti-skid wire structure; 71, extension sleeve; 72, abutting ring; 73, pry hole; 8, supporting block; 9, connecting ear. DETAILED DESCRIPTION

[0020] The present application will be further described in detail below with reference to the accompanying drawings.

[0021] The embodiment of the application discloses a swing arm rear bush 3 mounting sleeve, referring to Figure 1 , 2 , comprising an outer sleeve 1 connected to the swing arm, an inner sleeve 2 corresponding and containing in the outer sleeve 1, a bush 3 contained in the inner sleeve 2, a limiting ring 4 extending inward at one end of the outer sleeve 1 and abutting against the end wall of the inner sleeve 2, and the limiting ring 4 positioning one end of the inner sleeve 2 to prevent it from coming out.

[0022] Referring to Figure 1 , 3 , the outer sleeve 1 is provided with a positioning structure 5 at one end of the positioning ring, the positioning structure 5 comprises a positioning pin 51 and a connecting ring 52, the end wall of the outer sleeve 1 extends outwardly to have a supporting block 8, the inner sleeve 2 extends outwardly to have a connecting lug 9, the supporting block 8 and the connecting lug 9 are arranged in the same plane and cross each other in a staggered manner, a gap is left between the connecting lug 9 and the two supporting blocks 8, so that the installation is convenient and does not need to be aligned; the positioning pin 51 is arranged in an arc shape corresponding to and contained in the supporting block 8, the positioning pin 51 can be transversely arranged in the connecting lug 9 to position the connecting lug 9; the supporting blocks 8 are arranged at intervals, and the interval arc length of the supporting blocks 8 is less than the interval arc length of the blocks, so that the two ends of the rotated positioning pin 51 can be respectively contained in the supporting blocks 8, thereby enhancing the stability.

[0023] Referring to Figure 1 , 3 , the connecting ring 52 extends along the direction of the outer sleeve 1 and is rotatably connected to the end wall of the outer sleeve 1, the positioning pin 51 is fixed to the connecting ring 52, and the connecting lug 9 is arranged in a staggered manner along the direction of the connecting ring 52, and the connecting ring 52 is provided with a driving structure 6 for driving the rotation of the connecting ring 52.

[0024] Referring to Figure 3 , 4 , the driving structure 6 comprises a driving tooth 61 and a driving screw 62, the driving tooth 61 is fixed to the end wall of the connecting ring 52 at intervals; the driving screw 62 is rotatably contained in the outer sleeve 1, and the driving screw 62 is engaged with the driving tooth 61, and one end of the driving screw 62 is provided with a groove communicating with the outside.

[0025] Referring to Figure 4 , 5 , the groove of the driving screw 62 contains an anti-skid wire structure 7, the anti-skid wire structure 7 comprises an extension sleeve 71, an abutting ring 72 and a pry hole 73, the extension sleeve 71 is arranged in the spline of the driving screw 62, and the outer end is formed with the same spline as the driving screw 62; the abutting ring 72 is arranged at intervals on the side wall of the extension sleeve 71; the pry hole 73 is arranged on the side wall of the outer sleeve 1 and corresponds to the side wall of the extension sleeve 71, and the pry hole 73 gradually widens from the outside to the inside, so that the pry plate can be arranged therein and conveniently moved.

[0026] The working process of the application is that the inner sleeve 2 is arranged in the outer sleeve 1, the limiting ring 4 forms a primary positioning, the connecting ring 52 is rotated by rotating the driving screw 62 of the extension sleeve 71, the positioning pin 51 is located between the two supporting blocks 8 and is arranged in the connecting lug 9, thereby forming secondary positioning.

[0027] When the bushing 3 needs to be disassembled, the driving screw 62 of the extension sleeve 71 is rotated again to make the positioning pin 51 return to the inner side of the supporting block 8, thereby unlocking the inner bushing 3; when the driving screw 62 cannot be used due to sliding, a tool such as a flap is inserted into the pry hole 73, the pry contact ring 72 is swung left and right to make the extension sleeve 71 disengage from the driving screw 62, thereby controlling the spline of the driving screw 62 without sliding.

[0028] The above are preferred embodiments of the application, which do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A mounting sleeve for a rear bushing (3) of a swing arm, comprising an outer sleeve (1) connected to the swing arm, characterized in that: The outer sleeve (1) contains an inner sleeve (2), and the inner sleeve (2) contains a bushing (3). One end of the outer sleeve (1) extends inward and a limiting ring (4) abuts against the end wall of the inner sleeve (2). The outer sleeve (1) has a positioning structure (5) at one end relative to the positioning ring. The end wall of the outer sleeve (1) extends outward and a support block (8). The inner sleeve (2) extends outward and a connecting ear (9). The support block (8) and the connecting ear (9) are arranged in a staggered manner on the same plane. The positioning structure (5) is rotatably connected to the end wall of the outer sleeve (1) and can be inserted through the support block (8). The outer sleeve (1) contains a drive structure (6) that is helically engaged and connected to the positioning structure (5). The surface of the drive structure (6) is provided with an anti-slip wire structure (7) corresponding to the opening of the drive structure (6).

2. The mounting sleeve for the rear bushing (3) of a swing arm according to claim 1, characterized in that: The positioning structure (5) includes a positioning pin (51) and a connecting ring (52). The positioning pin (51) is arranged in an arc shape and is correspondingly housed in the support block (8). The positioning pin (51) can be transversely inserted into the connecting ear (9). The connecting ring (52) extends along the direction of the outer sleeve (1) and is rotatably connected to the end wall of the outer sleeve (1). The positioning pin (51) is fixed to the connecting ring (52) respectively, and the connecting ear (9) is offset along the direction of the connecting ring (52).

3. The mounting sleeve for the rear bushing (3) of a swing arm according to claim 1, characterized in that: The support blocks (8) are spaced apart, and the arc length of the interval between the support blocks (8) is less than the arc length of the spacer block.

4. The mounting sleeve for the rear bushing (3) of a swing arm according to claim 1, characterized in that: There is a gap between the connecting ear (9) and the two side support blocks (8).

5. The mounting sleeve for the rear bushing (3) of a swing arm according to claim 2, characterized in that: The drive structure (6) includes drive teeth (61) and drive screws (62). The drive teeth (61) are fixed at intervals to the end wall of the connecting ring (52). The drive screws (62) are accommodated and rotatably connected to the outer sleeve (1), and the drive screws (62) are engaged with the drive teeth (61). One end of the drive screws (62) is provided with a groove that communicates with the outside.

6. The mounting sleeve for the rear bushing (3) of a swing arm according to claim 5, characterized in that: The anti-slip wire structure (7) includes an extension sleeve (71), abutment rings (72) and pry holes (73). The extension sleeve (71) passes through the spline of the drive screw (62) and has the same spline as the drive screw (62) at its outer end. The abutment rings (72) are spaced apart on the side wall of the extension sleeve (71). The pry holes (73) are opened on the side wall of the outer sleeve (1) and are provided corresponding to the side wall of the extension sleeve (71). The pry holes (73) gradually widen from the outside to the inside.

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