Motorcycle rear fork bearing press-fitting device

Abstract

The utility model provides a motorcycle rear fork bearing press fitting device. The motorcycle rear fork bearing press fitting device comprises a bottom plate, a supporting seat, a pressing head and a related guiding and positioning mechanism. The supporting base is provided with a horizontally-penetrating cavity, and a positioning mechanism and a soft anti-collision block are arranged in the supporting base and used for protecting components from being collided and damaged. The press-fitting guide mechanism is located above the supporting base, and the precision and stability of the press-fitting process are ensured through a sliding positioning sleeve and an elastic assembly. The device adopts an elastic buffering design, effectively absorbs impact force, avoids damage to the bearing and the rear fork, is simple in structure, low in cost, convenient to operate and suitable for efficient press-fitting operation of bearings of various specifications, and improves the assembly precision and safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing press equipment field, concretely relates to motorcycle rear fork bearing press equipment. BACKGROUND

[0002] At present, the rear fork bearing press equipment of motorcycle usually adopts the press equipment mode of the press head, as shown in the figure, the device includes the base frame of supporting the rear fork of motorcycle and the press head, and the press head of different axial length is used to press the bearing in turn. Figure 4 However, the press equipment efficiency of this traditional press equipment is low, and the press head corresponding to each bearing needs to be used for installation, the operator is easy to confuse the use of the press head, leading to the wrong installation of the bearing, and the traditional press equipment is bulky, and the weight is as high as 50KG, so it is not easy to store and carry.

[0003] In addition, CN201685081U discloses a rear fork bearing press equipment and grease injection device, which adopts upper and lower press equipment guide mechanisms to press the bearing, can press multiple bearings at the same time, and improves the press equipment efficiency.

[0004] Therefore, the existing rear fork bearing press equipment still has the problems of efficiency, precision and cost, and a more simple, accurate and damage-free press equipment is needed. SUMMARY

[0005] The utility model discloses a kind of motorcycle rear fork bearing press equipment, to solve the problems of the prior art, such as low efficiency, low precision and high cost, and provide a kind of motorcycle rear fork bearing press equipment.

[0006] The utility model discloses a kind of motorcycle rear fork bearing press equipment, to solve the problems of the prior art, such as low efficiency, low precision and high cost, and provide a kind of motorcycle rear fork bearing press equipment.

[0007] A kind of motorcycle rear fork bearing press equipment, including bottom plate, support seat, press head installed on bottom plate, the support seat is equipped with the cavity that is horizontally penetrated, a positioning mechanism extending upwards is arranged in the cavity, the upper end surface of the support seat is provided with a press equipment guide mechanism that is straightly erected upwards;

[0008] The positioning mechanism comprises a sleeve, a first compression spring sleeved in the sleeve, and a positioning rod slidingly fitted in the sleeve, the sleeve is fixedly connected to the lower plate of the support base, one end of the first compression spring is in abutment with the lower plate of the support base, and the other end is in abutment with the positioning rod, the positioning rod extends out of the sleeve upward, and the upper end thereof is in abutment with the oil seal hole position;

[0009] The pressing guide mechanism comprises a lower positioning sleeve fixedly connected to the upper end of the support base and a positioning shaft, the closed end of the lower positioning sleeve is fixedly connected to the support base, the positioning shaft extends out of the lower positioning sleeve upward, a sliding positioning sleeve and a second compression spring are sleeved on the positioning shaft, the lower end of the sliding positioning sleeve is slidingly fitted in the lower positioning sleeve, the middle part is provided with a flange for limiting the axial movement of the sliding positioning sleeve, the upper end is in abutment with the oil seal hole position, one end of the second compression spring is in abutment with the closed end of the lower positioning sleeve, and the other end is in abutment with the sliding positioning sleeve,

[0010] The pressing head is slidingly fitted in the upper positioning sleeve, and the lower end of the upper positioning sleeve is in abutment with the oil seal hole position.

[0011] Preferably, the support base is detachably mounted on the bottom plate through bolts and a plurality of grooves for connecting accessories formed in the bottom plate.

[0012] Preferably, the positioning rod is a stepped rod, the lower end is a large-diameter section slidingly fitted in the sleeve, and the upper end is a small-diameter section for extending into the oil seal hole position for abutment, the large-diameter section of the positioning rod is in abutment with the inwardly extending protruding part arranged at the top end of the sleeve for limiting, so as to prevent the positioning rod from exiting the sleeve upward.

[0013] Preferably, the inner sides of the support arms on both sides of the support base are each provided with a soft anti-collision block.

[0014] Preferably, the soft anti-collision block is a nylon anti-collision block, and is mounted on the inner wall of the cavity of the support base through bolts.

[0015] Preferably, the top end of the positioning shaft is used for sleeving a first bearing, the outer ring gap of the first bearing is fitted in the sliding positioning sleeve, and the inner ring gap is fitted on the positioning shaft.

[0016] Preferably, the positioning shaft is provided with a flange, the flange is in abutment with the inwardly extending protruding part arranged on the sliding positioning sleeve for limiting, so as to prevent the sliding positioning sleeve from exiting the lower positioning sleeve upward.

[0017] Preferably, the lower end of the upper positioning sleeve is used for extending into the oil seal hole position for abutment, and the upper end is provided with a limiting flange.

[0018] Preferably, the pressure head is a stepped shaft, the upper end of which is a large-diameter section limited by the upper positioning sleeve, the middle part is a connecting section slidingly fitted in the upper positioning sleeve, and the lower end is a small-diameter section for sleeving the second bearing, the outer ring of which is clearance-fitted in the upper positioning sleeve, and the inner ring is clearance-fitted on the small-diameter section of the pressure head.

[0019] Preferably, the inner hole diameters of the upper positioning sleeve and the lower positioning sleeve are both larger than the hole diameter of the rear fork bearing hole.

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. Improve the precision and efficiency of pressing: the device adopts accurate positioning mechanism and pressing guide mechanism, and through the accurate cooperation of sleeve, positioning rod and pressure head and other components, the stability of the bearing in the pressing process is ensured, and the phenomenon of bearing inclination or deviation is avoided, thereby the precision of pressing is significantly improved. At the same time, the device is reasonably designed and easy to operate, and the pressing efficiency can be effectively improved. Compared with the traditional single pressure head to complete the pressing operation of the bearing, the efficiency is improved by 100%.

[0022] 2. Prevent the damage of the bearing and the rear fork: by setting the elastic buffer device (such as the first compression spring and the second compression spring), the device can absorb the impact force generated in the pressing process, reduce the damage to the bearing and the rear fork of the motorcycle, enhance the stability of the pressing process, and prolong the service life of the equipment.

[0023] 3. Reduce production cost and improve reliability: compared with the complex and high-cost pressing equipment in the prior art, the device structure of the utility model is simplified, the components are few and easy to manufacture, and the production and maintenance costs are reduced.

[0024] 4. Improve the assembly precision: the fine design of the positioning mechanism can ensure that the bearing always maintains the correct position during the pressing process, avoiding the common bearing installation deviation, thereby improving the assembly precision of the rear fork assembly of the motorcycle and ensuring the stability of its long-term use.

[0025] 5. Enhance the operation safety and convenience: the design of the soft anti-collision block effectively avoids the collision between the rear fork of the motorcycle and other components during the operation process, ensuring the operation safety.

[0026] 6. Strong adaptability: by replacing different positioning mechanisms and pressing guide mechanisms, the device can adapt to the pressing needs of bearings of various specifications and can be widely applied to different types of motorcycle rear fork bearing assembly operations.

[0027] In summary, the motorcycle rear fork bearing pressing device of the utility model has the advantages of simple operation, high precision, good efficiency, low cost and strong protection effect on bearings and components, can effectively improve the pressing quality of the motorcycle rear fork bearing, and has good market application prospect. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the positioning mechanism of this utility model;

[0030] Figure 3 This is a schematic diagram of the press-fitting guide mechanism of this utility model;

[0031] Figure 4 This is a schematic diagram of an existing press-fitting device. Detailed Implementation

[0032] like Figures 1 to 3 As shown, a motorcycle rear swingarm bearing press-fitting device includes a base plate 1, a support seat 2 and a press head 22 mounted on the base plate 1. The support seat 2 has mounting arms extending to both sides at its bottom. Bolts pass through the mounting arms and engage with multiple grooves on the base plate 1 for connecting accessories, so that the support seat 2 can be detachably mounted on the base plate 1.

[0033] The support base 2 is provided with a horizontally penetrating cavity 40, and an upwardly extending positioning mechanism is provided in the cavity 40. An upwardly upright pressing guide mechanism is provided on the upper end surface of the support base 2. The positioning mechanism and the pressing guide mechanism are located on the same axis.

[0034] The positioning mechanism includes a sleeve 11, a first compression spring 12 fitted inside the sleeve, and a positioning rod 13 slidably fitted inside the sleeve. The sleeve 11 is fixedly connected to the upper end of the lower plate of the support base 2 by bolts. One end of the first compression spring 12 abuts against the lower plate of the support base 2, and the other end abuts against the positioning rod 13. The positioning rod 13 extends upward out of the sleeve 11, and its upper end is positioned in conjunction with the oil seal hole. The positioning rod 13 is a stepped rod, with a large-diameter section at the lower end that slidably fits inside the sleeve 11 and a small-diameter section at the upper end that extends into the oil seal hole for positioning. The large-diameter section of the positioning rod 13 is limited by an inwardly extending protrusion at the top of the sleeve 11 to prevent the positioning rod 13 from exiting the sleeve 11 upward.

[0035] The inner wall of the cavity 40 of the support base 2 is provided with a soft anti-collision block 31, which is a nylon anti-collision block and is installed on the inner wall of the cavity 40 of the support base 2 by bolts.

[0036] The pressing guide mechanism comprises a lower positioning sleeve 23 fixedly connected to the upper end of the supporting seat 2, and a positioning shaft 24; the lower positioning sleeve 23 is open at one end and closed at the other end, the closed end of the lower positioning sleeve 23 is fixedly connected to the supporting seat 2 through a bolt opening upward, the positioning shaft 24 extends upward out of the lower positioning sleeve 23, a sliding positioning sleeve 25 and a second compression spring 26 are sleeved on the positioning shaft 24, the lower end of the sliding positioning sleeve 25 is slidingly fitted in the lower positioning sleeve 23, a flange for limiting the axial movement of the sliding positioning sleeve 25 is arranged at the middle part of the sliding positioning sleeve 25, and the upper end of the sliding positioning sleeve 25 is positioned in cooperation with the oil seal hole position; one end of the second compression spring 26 abuts against the closed end of the lower positioning sleeve 23, and the other end of the second compression spring 26 abuts against the sliding positioning sleeve 25;

[0037] The lower end of the upper positioning sleeve 21 is positioned in cooperation with the oil seal hole position, the pressing head 22 is slidingly fitted in the upper positioning sleeve 21, the top end of the positioning shaft 24 is used for sleeving the first bearing 33, the outer ring of the first bearing 33 is clearance-fitted in the sliding positioning sleeve 25, the inner ring of the first bearing 33 is clearance-fitted on the positioning shaft 24, the positioning shaft 24 is provided with a flange, the flange is matched with the inwardly extending protruding part arranged on the sliding positioning sleeve 25 to limit the position, thereby preventing the sliding positioning sleeve 25 from being taken out of the lower positioning sleeve 23 upward, the lower end of the upper positioning sleeve 21 is used for extending into the oil seal hole position to cooperate with the position, and the upper end of the upper positioning sleeve 21 is provided with a limiting flange, the pressing head 22 is a stepped shaft, the upper end of the pressing head 22 is a large-diameter section for limiting the position of the upper positioning sleeve 21, the middle part of the pressing head 22 is a connecting section slidingly fitted in the upper positioning sleeve 21, and the lower end of the pressing head 22 is a small-diameter section for sleeving the second bearing 32, the outer ring of the second bearing 32 is clearance-fitted in the upper positioning sleeve 21, and the inner ring of the second bearing 32 is clearance-fitted on the small-diameter section of the pressing head 22, and the inner hole diameters of the upper positioning sleeve 21 and the lower positioning sleeve 23 are all greater than the hole diameter of the bearing hole of the rear fork;

[0038] The oil seal hole position is located at the bearing mounting hole of the rear fork of the motorcycle.

[0039] The use method and the pressing principle are as follows:

[0040] The bearing mounting hole of one side arm of the rear fork of the motorcycle is sleeved on the positioning rod 13 of the positioning mechanism, the rear fork of the motorcycle is positioned, the lower end of the other side arm of the rear fork of the motorcycle is placed on the sliding positioning sleeve 25 of the pressing device, and the upper end of the other side arm of the rear fork of the motorcycle is sleeved with the upper positioning sleeve 25, the upper positioning sleeve 25 is used for guiding the pressing head 22, the hydraulic machine applies downward force to the pressing head 22, so that the first bearing 33 and the second bearing 32 are pressed into the bearing mounting hole of the rear fork of the motorcycle, at the same time, the sliding positioning sleeve 25 and the positioning rod 13 are all axially moved downward, and two bearings are pressed into the same bearing mounting hole at one time.

[0041] The preferred embodiments are merely used for the description of the present application, and not used to limit the present application, and the modification of the present application made by those skilled in the art without departing from the spirit of the present application shall fall into the protection scope of the present application.

Claims

1. A bearing press device for a motorcycle rear fork, comprising a base plate (1), a supporting seat (2) and a press head (22) mounted on the base plate (1), characterized in that: The support base (2) is provided with a horizontal cavity (40) penetrating through, a positioning mechanism extending upward is arranged in the cavity (40), and an upward vertical pressing assembly guide mechanism is arranged on the upper end surface of the support base (2). The positioning mechanism comprises a sleeve (11), a first compression spring (12) sleeved in the sleeve, and a positioning rod (13) slidingly fitted in the sleeve, the sleeve (11) is fixedly connected to the lower plate of the support base (2), one end of the first compression spring (12) abuts against the lower plate of the support base (2), the other end abuts against the positioning rod (13), the positioning rod (13) extends upward out of the sleeve (11), and the upper end is positioned in cooperation with the oil seal hole position. The pressing assembly guide mechanism comprises a lower positioning sleeve (23) fixedly connected to the upper end of the support base (2) and a positioning shaft (24), the closed end of the lower positioning sleeve (23) is fixedly connected to the support base (2), the positioning shaft (24) extends upward out of the lower positioning sleeve (23), a sliding positioning sleeve (25) and a second compression spring (26) are sleeved on the positioning shaft (24), the lower end of the sliding positioning sleeve (25) is slidingly fitted in the lower positioning sleeve (23), a flange for limiting the axial movement of the sliding positioning sleeve (25) is arranged on the middle portion, the upper end is positioned in cooperation with the oil seal hole position, one end of the second compression spring (26) abuts against the closed end of the lower positioning sleeve (23), and the other end abuts against the sliding positioning sleeve (25). The pressing head (22) is slidingly fitted in the upper positioning sleeve (21), and the lower end of the upper positioning sleeve (21) is positioned in cooperation with the oil seal hole position.

2. The device for press fitting the bearing of the rear fork shaft of a motorcycle according to claim 1, characterized in that: The support base (2) is detachably mounted on the bottom plate (1) by cooperation of bolts and a plurality of grooves for connecting accessories formed on the bottom plate (1).

3. The device as claimed in claim 1, wherein: The positioning rod (13) is a stepped rod, the lower end is a large-diameter section slidingly fitted in the sleeve (11), and the upper end is a small-diameter section for extending into the oil seal hole position for positioning, the large-diameter section of the positioning rod (13) is limited by the inwardly extending protruding part arranged at the top end of the sleeve (11), so that the positioning rod (13) is prevented from upwardly exiting the sleeve (11).

4. The device as claimed in claim 1, wherein: A soft anti-collision block (31) is arranged on the inner wall of the cavity (40) of the support base (2).

5. The device for press fitting the bearing of the rear fork shaft of a motorcycle according to claim 4, characterized in that: The soft anti-collision block (31) is a nylon anti-collision block, and is mounted on the inner wall of the cavity (40) of the support base (2) by bolts.

6. The bearing press fitting device for a motorcycle rear fork as set forth in claim 1, characterized in that: A first bearing (33) is sleeved on the top end of the positioning shaft (24), the outer ring of the first bearing (33) is clearance-fitted in the sliding positioning sleeve (25), and the inner ring is clearance-fitted on the positioning shaft (24).

7. The bearing press fitting device for a motorcycle rear fork as set forth in claim 1, characterized in that: A flange is arranged on the positioning shaft (24), the flange is limited by the inwardly extending protruding part arranged on the sliding positioning sleeve (25), so that the sliding positioning sleeve (25) is prevented from upwardly exiting the lower positioning sleeve (23).

8. The bearing press fitting device for a motorcycle rear fork as set forth in claim 1, characterized in that: The lower end of the upper positioning sleeve (21) is used for extending into the oil seal hole position for positioning, and the upper end is provided with a limiting flange.

9. The bearing press fitting device for a motorcycle rear fork as set forth in claim 1, characterized in that: The pressing head (22) is a stepped shaft, the upper end of which is a large-diameter section limited by the upper locating sleeve (21), the middle part is a connecting section slidingly fitted in the upper locating sleeve (21), and the lower end is a small-diameter section for sleeving the second bearing (32), the outer ring of the second bearing (32) is clearance-fitted in the upper locating sleeve (21), and the inner ring is clearance-fitted on the small-diameter section of the pressing head (22).

10. The bearing press fitting device for a motorcycle rear fork according to claim 1, characterized in that: The inner hole diameters of the upper locating sleeve (21) and the lower locating sleeve (23) are greater than the hole diameter of the rear fork bearing hole.

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