Auxiliary tool for mounting bushing of shock absorber

Abstract

The utility model relates to the technical field of shock absorber installation, in particular to an auxiliary tool for shock absorber bush installation, which comprises a protection head arranged on a bush and a base for sequentially placing a lifting lug and the bush before installation, and the base is sunken to form a placing groove for placing the lifting lug. The protection head and the base are arranged, the protection head is arranged on the lining, the stress area of the lining is increased, the lining can be conveniently pressed into the lifting lug, the base plays a role in placing and supporting the lifting lug and the lining, the lifting lug is placed on the base through the placing groove, accurate positioning of the lifting lug and the base is ensured, and the situation that the lining is pressed into the lifting lug containing hole, so that the lining is damaged is avoided. And when the lifting lug deviates from the base, the bushing can be conveniently mounted in the lifting lug through the protection head and the base.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of shock absorber installation, in particular to an auxiliary tool for shock absorber bushing installation. BACKGROUND

[0002] The shock absorber bushing is used for buffering and absorbing the vibration and impact from the road surface through the rubber or other flexible materials in the bushing, which helps to reduce the bumping feeling when the vehicle is running and improves the comfort of riding.

[0003] Reference Figure 1 The shock absorber bushing 1 comprises a first connecting end 2, a straight rod segment 3 and a second connecting end 4 arranged in sequence, the diameters of the first connecting end 2 and the second connecting end 4 are smaller than that of the straight rod segment 3, an inner hole 5 is arranged in the shock absorber, a shock absorber lug 6 is an important part for connecting the vehicle body and the shock absorber, the shock absorber lug 6 is provided with a containing hole 7 for the shock absorber bushing 1 to pass in, the shock absorber bushing 1 is installed into the shock absorber lug 6 to provide additional buffering and support, the shock absorber bushing 1 serves as a part of the shock absorber lug 6 and cooperates with the shock absorber bushing 1 to improve the comfort and handling performance of the vehicle through the elasticity and flexibility of each part.

[0004] The existing installation method mainly uses a pressing machine to install the shock absorber bushing into the shock absorber lug, and different equipment needs to be used for installing bushings made of different materials, so the installation method is not convenient and cannot meet the use of the shock absorber in the research and development and after-sales fields.

[0005] Therefore, an auxiliary tool is needed to realize the positioning of the pre-installation of the bushing, facilitate the pressing machine to install the shock absorber bushing into the lug and improve the installation convenience of the shock absorber bushing. CONTENT OF THE INVENTION

[0006] In order to improve the installation convenience of the shock absorber bushing, the application provides an auxiliary tool for shock absorber bushing installation.

[0007] The auxiliary tool for shock absorber bushing installation provided by the application adopts the following technical scheme:

[0008] The auxiliary tool for shock absorber bushing installation comprises a protection head arranged on the bushing and a base used for sequentially placing the lug and the bushing before installation, and the base is recessed to form a placing groove for placing the lug.

[0009] The base plays a placing and supporting role on the lug and the bushing, the lug is placed on the base through the placing groove, accurate positioning of the lug and the base is ensured, deviation of the lug and the base in the process of press-fitting of the bushing into the lug accommodating hole is avoided, the protection head is arranged on the bushing, the stress area of the bushing is increased, the bushing is conveniently pressed into the lug, the protection head is pressed by the press, direct contact of the press with the bushing is avoided, and deformation of the bushing is avoided.

[0010] Optionally, one end of the protection head is recessed to form a groove for the top of the bushing to enter, and a positioning piece one is detachably connected in the groove.

[0011] Through the above technical scheme, the positioning piece one extends into the inner hole of the bushing, accurate positioning of the protection head placed on the bushing is ensured, deviation of the protection head when the press extrudes the protection head is avoided, the positioning piece one is detachably connected on the protection head, corresponding diameter positioning piece one can be replaced according to the different inner diameters of the inner hole of the bushing, and the applicability of the protection head is improved.

[0012] Optionally, the upper end surface of the base is recessed to form an avoiding groove for placing the body of the shock absorber.

[0013] Through the above technical scheme, the avoiding groove on the upper end surface of the base facilitates smooth placement of the lug in the placing groove on the base, smooth use of the auxiliary tool is ensured, the avoiding groove is arranged, the positioning effect of the base is further improved, and the bushing is accurately pressed into the lug.

[0014] Optionally, one end of the protection head protrudes to form a protrusion extending into the inner hole of the bushing, and the protrusion is matched with the inner hole of the bushing.

[0015] Through the above technical scheme, when the protection head press-fits the bushing into the lug, the protrusion on the protection head extends into the inner hole of the bushing, quick centering and positioning of the protection head and the bushing are facilitated, and the accurate position of the bushing press-fitted into the lug is ensured.

[0016] Optionally, the auxiliary tool further comprises a guide sleeve placed on the lug, a top end of the guide sleeve abuts against the protection head, a channel for the bushing to enter is formed in the guide sleeve, and an opening of the channel close to the protection head is larger than that of the other end.

[0017] Through the above technical scheme, the guide sleeve is arranged to guide the press-fitting of the bushing into the lug, deviation of the bushing is avoided, the opening of the channel close to the protection head in the guide sleeve is larger than that of the other end, and the bushing is conveniently entered into the guide sleeve.

[0018] Optionally, the channel comprises a truncated cone hole and a long hole guiding the bushing into the lug, the truncated cone hole and the long hole are communicated, the opening of the truncated cone hole far from the long hole is larger than the opening of the other end, and the inner diameter of the one end of the truncated cone hole is the same as the inner diameter of the long hole.

[0019] By adopting the above technical scheme, the setting of the truncated cone hole facilitates the bushing to enter the guide sleeve and facilitates the adjustment of the angle of the bushing. During the pressing process of the press, the setting of the long hole shapes and fixes the irregularly shaped bushing, facilitating the bushing to be smoothly pressed into the lug from the guide sleeve.

[0020] Optionally, the bottom end of the guide sleeve protrudes to form a second positioning member, and an arc-shaped contact surface is arranged on the second positioning member, and the arc-shaped contact surface is attached to the outer circumferential side of the lug.

[0021] By adopting the above technical scheme, the guide sleeve is placed on the lug, the outer circumferential side of the lug is attached to the arc-shaped contact surface of the second positioning member, accurate positioning of the lug and the guide sleeve is facilitated, and accurate guidance of the bushing by the guide sleeve is ensured.

[0022] Optionally, the base is provided with a receiving cavity for the bottom end of the bushing to enter, and the receiving cavity is communicated with the placing groove.

[0023] By adopting the above technical scheme, when the protection head is pressed into the lug, the bushing approaches the base, the receiving cavity on the base provides a moving space for the bushing, and the bushing is smoothly pressed into the lug.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The base plays a role in placing and supporting the lug and the bushing. The lug is placed on the base through the placing groove, accurate positioning of the lug and the base is ensured, deviation of the lug and the base during pressing of the bushing into the receiving hole of the lug is avoided, the protection head is arranged on the bushing, the stress area of the bushing is increased, the bushing is pressed into the lug, the press applies pressure to the protection head, direct contact of the press with the bushing is avoided, and deformation of the bushing is avoided.

[0026] 2. The first positioning member extends into the inner hole of the bushing, accurate positioning of the protection head placed on the bushing is ensured, deviation of the protection head during extrusion of the press is avoided, the first positioning member is detachably connected to the protection head, corresponding diameter of the first positioning member can be replaced according to the inner diameter of the inner hole of the bushing, and the applicability of the protection head is improved.

[0027] 3. The guide sleeve plays a guiding role in pressing the bushing into the lug, deviation of the bushing is avoided, and the opening of the channel in the guide sleeve near the protection head is larger than the opening of the other end, facilitating the bushing to enter the guide sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A structural schematic diagram of the prior art, for showing the positional relationship of the bushing, the ear and the damper body;

[0029] Figure 2 An exploded schematic diagram of installing the bushing into the ear in Embodiment 1 of the present application, for showing the positional relationship of the auxiliary tool and the bushing, the ear;

[0030] Figure 3 A sectional view after the bushing is installed in Embodiment 1 of the present application;

[0031] Figure 4 An exploded schematic diagram of installing the bushing into the ear in Embodiment 2 of the present application;

[0032] Figure 5 A sectional view during the installation of the bushing in Embodiment 2 of the present application, for showing the positional relationship during the installation of the rubber bushing;

[0033] Figure 6 A sectional view after the installation of the bushing in Embodiment 2 of the present application, for showing the positional relationship after the installation of the rubber bushing.

[0034] Reference signs: 1, bushing; 2, first connecting end; 3, straight rod section; 4, second connecting end; 5, inner hole; 6, ear; 7, accommodating hole; 8, auxiliary tool; 9, protection head; 10, base; 11, placing groove; 12, step surface; 13, groove; 14, positioning rod; 15, avoiding groove; 16, protrusion; 17, guide sleeve; 18, passage; 19, circular table hole; 20, long hole; 21, arc-shaped convex strip; 22, arc-shaped contact surface; 23, accommodating cavity; 24, damper body. DETAILED DESCRIPTION

[0035] The following will be described in detail with reference to the accompanying drawings. Figures 1-6 The present application will be further described in detail.

[0036] Embodiment 1:

[0037] An auxiliary tool for installing a damper bushing, with reference to Figure 1 and Figure 2In the embodiment, the bushing 1 is made of hard material, the bushing 1 is a rubber bushing 1 sleeved with a metal shell, the auxiliary tool 8 comprises a protection head 9 and a base 10, the protection head 9 and the base 10 are made of stainless steel material, the auxiliary tool 8 has good hardness and wear resistance, the protection head 9 is arranged on the bushing 1, the first connecting end 2 at the top of the bushing 1 has a small diameter, the press machine applies pressure to the bushing 1 through the protection head 9, the stress area of the bushing 1 is increased, the bushing 1 is conveniently pressed into the accommodating hole 7 of the lifting lug 6, and the press machine directly contacts the bushing 1, so that the first connecting end 2 of the bushing 1 is not deformed and damaged, the top of the base 10 is recessed to form a placing groove 11, the placing groove 11 is provided with a stepped surface 12 abutting against the bottom end of the lifting lug 6, the lifting lug 6 is arranged on the placing groove 11 of the base 10, the top surface of the lifting lug 6 abuts against the stepped surface 12, the outer circumferential side of the lifting lug 6 abuts against the side wall of the placing groove 11, the lifting lug 6 is prevented from moving along the radial direction of the base 10, and the accurate positioning of the lifting lug 6 and the base 10 is ensured.

[0038] Reference Figure 3 The bottom of the protection head 9 is recessed to form a groove 13, the first connecting end 2 of the bushing 1 penetrates into the groove 13, the protection head 9 can be stably placed at the top end of the bushing 1, the groove 13 is provided with a positioning member one, the positioning member one is a positioning rod 14, the positioning rod 14 is matched with the size and shape of the inner hole 5 of the bushing 1, the setting position of the positioning rod 14 corresponds to the position of the inner hole 5 of the bushing 1, the positioning rod 14 extends into the inner hole 5 of the bushing 1, the quick centering and positioning of the protection head 9 and the bushing 1 are facilitated, the positioning rod 14 is detachably connected to the protection head 9, the positioning rod 14 of a corresponding diameter can be replaced according to different inner diameters of the inner hole 5 of the bushing 1, and the applicability of the protection head 9 is improved, in the embodiment, the groove 13 is provided with an internal thread, the positioning rod 14 is provided with an external thread on the peripheral wall, and the positioning rod 14 is threadedly connected to the protection head 9.

[0039] Reference Figure 2 And 3 The upper end surface of the base 10 is recessed downward to form an avoiding groove 15, the lifting lug 6 is placed on the base 10, the avoiding groove 15 provides a placing space for a shock absorber body 24 connected with the lifting lug 6, the lifting lug 6 is conveniently placed in the placing groove 11 of the base 10, the base 10 is further provided with an accommodating cavity 23, the accommodating cavity 23 is communicated with the placing groove 11, the second connecting end 4 of the bushing 1 gradually approaches the accommodating cavity 23 of the base 10 along with the extrusion of the protection head 9, after the bushing 1 is installed, the straight rod section 3 of the bushing 1 is located in the accommodating hole 7 of the lifting lug 6, the second connecting end 4 of the bushing 1 extends into the accommodating cavity 23 of the base 10, the accommodating cavity 23 provides a movement and accommodating space for the second connecting end 4 of the bushing 1, and the bushing 1 is conveniently pressed and mounted into the lifting lug 6.

[0040] The implementation principle of the embodiment 1 of the application is as follows: when the bushing 1 made of hard material is installed, the protection head 9 is sleeved on the bushing 1, the first connecting end 2 of the bushing 1 enters the groove 13 of the protection head 9, the positioning rod 14 in the groove 13 extends into the inner hole 5 of the bushing 1, and the protection head 9 and the bushing 1 are quickly centered and positioned, the bushing 1 is located on the top of the lifting lug 6, the bushing 1 and the accommodating hole 7 of the lifting lug 6 are matched in size and shape and correspond in position, the lifting lug 6 is located in the placing groove 11 of the base 10, the lower surface of the lifting lug 6 abuts against the stepped surface 12 of the placing groove 11, the shock absorber body 24 is placed in the avoiding groove 15 on the base 10, the protection head 9 is pressed by the press, the protection head 9 pushes the bushing 1 into the accommodating hole 7 of the lifting lug 6, until the straight rod section 3 of the bushing 1 is located in the accommodating hole 7 of the lifting lug 6, and the second connecting end 4 of the bushing 1 is located in the accommodating cavity 23 of the base 10, thereby completing the installation of the bushing 1 made of hard material.

[0041] Embodiment 2

[0042] An auxiliary tool for installing a bushing of a shock absorber, with reference to Figure 4 The difference between the embodiment 1 and the embodiment 2 is that the bushing 1 in the embodiment 2 is made of soft material, the bushing 1 is a rubber bushing 1 made of rubber material, the bottom end of the protection head 9 protrudes to form a protrusion 16, the protrusion 16 is matched in size and shape with the inner hole 5 of the bushing 1 and corresponds in position, the protection head 9 is placed on the bushing 1, and the protrusion 16 extends into the inner hole 5 of the bushing 1, so that the protection head 9 and the bushing 1 are centered and positioned.

[0043] With reference to Figure 5 And Figure 6 The auxiliary tool 8 further includes a guide sleeve 17 placed on the lifting lug 6, the guide sleeve 17 is made of stainless steel material, so as to ensure that the guide sleeve 17 has high strength, the guide sleeve 17 is used for shaping and guiding the bushing 1 made of soft material, so that the bushing 1 is matched in size and shape with the inner hole 5 of the bushing 1, the top end of the guide sleeve 17 abuts against the bottom end of the protection head 9, a channel 18 for the bushing 1 to pass through and guide the bushing 1 to enter the lifting lug 6 is formed in the guide sleeve 17, the channel 18 includes a circular table hole 19 and an elongated hole 20 which are communicated, and Figure 5As shown, the cross-sectional shape of the circular truncated hole 19 is inverted trapezoidal, the large opening end of the circular truncated hole 19 is arranged close to the protection head 9, facilitating the bushing 1 to enter the channel 18, the small opening end of the circular truncated hole 19 is communicated with the long hole 20 and has the same inner diameter as the long hole 20, the long hole 20 plays a shaping role on the irregularly shaped rubber bushing 1, the long hole 20 has the same inner diameter as the lug 6 accommodating hole 7 and corresponds in position, playing a guiding role on the bushing 1 entering the lug 6 accommodating hole 7, the bottom end of the guide sleeve 17 protrudes to form a second positioning member, the second positioning member is an arc-shaped protruding strip 21, the arc-shaped protruding strip 21 is provided with an arc-shaped contact surface 22, the arc-shaped contact surface 22 is located on the side of the arc-shaped protruding strip 21 close to the axis of the guide sleeve 17, the guide sleeve 17 is placed on the lug 6, the outer circumferential side of the lug 6 is attached to the arc-shaped contact surface 22, the upper surface of the lug 6 is attached to the lower surface of the guide sleeve 17, avoiding the guide sleeve 17 moving along the radial direction of the lug 6, playing an auxiliary role on the positioning and centering of the guide sleeve 17 and the lug 6.

[0044] The implementation principle of the embodiment 2 of the present application is as follows: when installing the rubber bushing 1, the protection head 9 is placed on the bushing 1, the protrusion 16 on the protection head 9 extends into the inner hole 5 of the bushing 1, the guide sleeve 17 is placed on the lug 6, the top of the lug 6 is in contact with the arc-shaped protruding strip 21 on the guide sleeve 17, the outer circumferential side of the lug 6 is attached to the arc-shaped contact surface 22 on the arc-shaped protruding strip 21, the guide sleeve 17 is provided with a channel 18 for the bushing 1 to pass through, as the press applies pressure to the protection head 9, the bushing 1 enters the long hole 20 from the circular truncated hole 19 in the guide sleeve 17, and then enters the lug 6, the lug 6 is located in the placement groove 11 of the base 10, the damper body 24 is placed in the avoidance groove 15 on the base 10, as the press works, the bushing 1 enters the accommodating hole 7 of the lug 6, completing the installation of the rubber bushing 1.

[0045] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An auxiliary tool for shock absorber bushing installation, characterized by: The auxiliary tool (8) comprises a protection head (9) arranged on the bushing (1) and a base (10) for sequentially placing the hanger (6) and the bushing (1) before installation, wherein the base (10) is recessed to form a placing groove (11) for placing the hanger (6).

2. An installation aid for a shock absorber bushing according to claim 1, characterized in that: One end of the protection head (9) is recessed to form a recess (13) for the top of the bushing (1) to pass through, and a first positioning member is detachably connected in the recess (13), wherein one end of the first positioning member extends into the inner hole (5) of the bushing (1).

3. An installation aid for a shock absorber bushing according to claim 2, characterized in that: The upper end surface of the base (10) is recessed to form an avoiding groove (15) for placing the shock absorber body (24).

4. An installation aid for a shock absorber bushing according to claim 1, characterized in that: One end of the protection head (9) is protruded to form a protrusion (16) extending into the inner hole (5) of the bushing (1), and the protrusion (16) is matched with the inner hole (5) of the bushing (1).

5. An installation aid for a shock absorber bushing according to claim 4, characterized in that: The auxiliary tool (8) further comprises a guide sleeve (17) placed on the hanger (6), wherein the top end of the guide sleeve (17) abuts against the protection head (9), a channel (18) is formed in the guide sleeve (17) for the bushing (1) to pass through, and the opening of the channel (18) near one end of the protection head (9) is larger than that of the other end.

6. An installation aid for a shock absorber bushing according to claim 5, characterized in that: The channel (18) comprises a circular truncated cone hole (19) and an elongated hole (20) for guiding the bushing (1) to enter the hanger (6), the circular truncated cone hole (19) and the elongated hole (20) are communicated, the opening of the circular truncated cone hole (19) far from one end of the elongated hole (20) is larger than that of the other end, and the inner diameter of one end of the circular truncated cone hole (19) with a smaller opening is the same as that of the elongated hole (20).

7. An installation aid for a shock absorber bushing according to claim 6, characterized in that: The bottom end of the guide sleeve (17) is protruded to form a second positioning member, an arc-shaped contact surface (22) is arranged on the second positioning member, and the arc-shaped contact surface (22) abuts against the outer circumferential side of the hanger (6).

8. An installation aid for a shock absorber bushing according to claim 1, characterized in that: The base (10) is provided with a containing cavity (23) for the bottom end of the bushing (1) to enter, and the containing cavity (23) is communicated with the placing groove (11).

Images