CN216371992U

CN216371992U - Hub motor end cover bearing pressing tool

Info

Publication number: CN216371992U
Application number: CN202122546051.2U
Authority: CN
Inventors: 朱兵斌; 钟玲兵; 郭欢; 唐立春; 应启业
Original assignee: Zhejiang Jiuzhou New Energy Technology Co Ltd
Current assignee: Zhejiang Jiuzhou New Energy Technology Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-26
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a bearing pressing tool for a hub motor end cover, and belongs to the technical field of machinery. It has solved current end cover and has pressed bearing frock and get trouble problem. This wheel hub motor end cover pressure bearing frock includes the frame, the top of frame is equipped with the pressure head that can reciprocate, the bottom of frame is equipped with the base, the top of base has the spacing portion that is used for fixing a position the bearing, still be equipped with the sliding plate that can reciprocate in the frame, be equipped with reset spring between the bottom of sliding plate and the frame, the top of sliding plate has the location portion that is used for placing and fixing a position the end cover, the through-hole that supplies spacing portion to pass that runs through has in the sliding plate, one side of sliding plate has breach and this breach and through-hole and is linked together. The hub motor end cover bearing pressing tool has the advantage that the end cover can be conveniently taken and placed when pressing the bearing.

Description

Hub motor end cover bearing pressing tool

Technical Field

The utility model belongs to the technical field of machinery, and relates to a bearing pressing tool for a hub motor end cover.

Background

The hub motor is an important part in electric bicycles and electric motorcycles, the hub motor technology is also called wheel built-in motor technology, and the hub motor technology is characterized in that a power device, a transmission device and a braking device are integrated into a hub, so that the mechanical part of an electric vehicle is greatly simplified.

In the production and processing process of the hub motor, a step is to press the bearing into the bearing chamber of the end cover, and the process needs to use a tool, for example, the existing tool, such as the chinese patent literature, discloses a permanent magnet motor end cover bearing pressing tool [ application number: 201820389459.9, respectively; authorization notice number: CN208063017U ], it includes the lower bolster, the both sides of lower bolster terminal surface are equipped with the guide pillar respectively, the cope match-plate pattern still has, the cope match-plate pattern mating holes has been opened respectively at the both ends of cope match-plate pattern, through the cooperation of cope match-plate pattern mating holes and two guide pillars, the dress is worn between two guide pillars to the cope match-plate pattern, the base has on the lower bolster, the front end cap is placed on the base, the base still has the locating lever, the pressure head sets up on the cope match-plate pattern, through the cooperation of pressure head and locating lever, the bearing can be impressed in the bearing chamber of front end cap.

The end cover pressing bearing tool with the structure ensures that the bearing is not damaged when being correctly pressed into the bearing chamber of the front end cover. But the end cover of this kind of structure presses bearing frock, the locating lever is the protrusion setting in the top at base top, during the pressure equipment, need earlier the top that the front end housing removed the locating lever, then move down the cover and place the base top with protruding embedding outside the locating lever place the chamber in, again impress the bearing to the bearing of front end housing in, after the pressure equipment is accomplished, because the locating lever passes the inner circle of bearing, consequently need lift up and leave the locating lever with front end housing and bearing together up earlier, just can transversely take off afterwards, it is troublesome to get and put.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wheel hub motor end cover bearing pressing tool aiming at the problems in the prior art, and solves the technical problem of how to conveniently take and place an end cover when pressing a bearing.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a wheel hub motor end cover pressure bearing frock, includes the frame, the top of frame is equipped with the pressure head that can reciprocate, its characterized in that, the bottom of frame is equipped with the base, the top of base has the spacing portion that is used for fixing a position the bearing, still be equipped with the sliding plate that can reciprocate in the frame, be equipped with reset spring between the bottom of sliding plate and the frame, the top of sliding plate has the location portion that is used for placing and fixing a position the end cover, the through-hole that supplies spacing portion to pass that runs through has in the sliding plate, one side of sliding plate has the breach and this breach is linked together with the through-hole.

During operation, place the bearing on the spacing portion of base earlier, make the bearing location, then place the end cover in the location portion of sliding plate, make the end cover location, the setting up of breach makes the end cover part be arranged in the breach, and the operator is when placing bearing and end cover, and operator's hand can enter into the breach, can not have the hindrance, makes bearing and end cover place the convenience. The pressing head moves downwards to abut against the end cover, the pressing head continuously moves downwards to overcome the elastic force of the return spring to enable the sliding plate to move downwards, the bearing is enabled to contact with the end cover and is pressed into the bearing chamber fixed to the end cover, after the press-fitting is completed, the pressing head moves upwards, the sliding plate moves upwards under the elastic force of the return spring, the press-fitted end cover and the bearing move upwards, an operator can transversely take down the press-fitted end cover and the bearing from the notch, and the press-fitted end cover and the bearing are convenient to take out. This end cover pressure bearing frock makes end cover and bearing after the processing is accomplished move up through reset spring, and the setting up of cooperation breach makes end cover and bearing transversely get to put can, gets to put the convenience, improves work efficiency.

In the above-mentioned wheel hub motor end cover pressure bearing frock, location portion lies in the top of spacing portion or flushes with spacing portion along vertical direction under the effect of reset spring elasticity. The structure ensures that the reset spring can move the end cover and the bearing after the assembly is finished, so that the end cover and the bearing are convenient to take down, and the working efficiency is improved.

In foretell a wheel hub motor end cover pressure bearing frock, the both sides wall of breach is inclined outwards to the external world by the through-hole and sets up, the breach is the flaring form. The structure has the advantages that the gap is large enough, the hand of an operator can conveniently stretch into the gap, and the end cover and the bearing can be conveniently taken and placed.

In the above-mentioned wheel hub motor end cover pressure bearing frock, the sliding plate includes backup pad and locating plate, the locating plate detachable links firmly in the backup pad, through-hole and breach all run through backup pad and locating plate, location portion is located the top of locating plate, the both ends of backup pad link to each other with the frame slidable makes the sliding plate can reciprocate along the frame. The locating plate is detachable, changes different locating plates according to the end cover of equidimension not, improves the commonality of this frock.

In foretell a wheel hub motor end cover pressure bearing frock, location portion includes the location rib of a plurality of protruding settings, the location rib is the opening ring-type, has positioning groove between two adjacent location ribs, positioning groove's both ends all are linked together with the breach. The positioning ribs and the positioning grooves are matched to position the end cover, so that the stability of the end cover in positioning is improved, and the positioning ribs are in an open ring shape and are matched with the through holes and the notches.

In the above-mentioned wheel hub motor end cover pressure bearing frock, the frame includes two parallel arrangement's guide bar, the both ends cover of backup pad is established outside the guide bar and is made the sliding plate can reciprocate along the frame, reset spring's quantity is two, two reset spring is located between base and the corresponding guide bar respectively. This kind of structure, the symmetry sets up, and stability when making the sliding plate reciprocate is good, can not improving the stability of frock in the problem that blocks.

In foretell a wheel hub motor end cover pressure bearing frock, the bottom of frame has linked firmly the collet, base detachable links firmly on the collet. The base is detachable, and different bases are replaced according to end covers with different sizes, so that the universality of the tool is improved; the base can be dismantled with the collet through threaded connection's mode and link firmly mutually, also can make base and collet to dismantle the mutually that links firmly through the mode of spring steel ball.

Compared with the prior art, the hub motor end cover bearing pressing tool provided by the utility model has the following advantages:

1. the end cover and the bearing after the machining is finished are moved upwards through the reset spring, the end cover and the bearing are transversely taken and placed by the aid of the arrangement of the matched notch, the taking and placing are convenient, and the working efficiency is improved.

2. The locating plate and the base of the tool are detachable, different locating plates and bases can be replaced according to actual needs, and the universality of the tool is improved.

Drawings

Fig. 1 is a schematic view of the whole structure of the present hub motor end cover bearing pressing tool.

In the figure, 1, a frame; 11. a guide bar; 2. a pressure head; 3. a base; 31. a limiting part; 4. a sliding plate; 41. a positioning part; 411. positioning the ribs; 412. a positioning groove; 42. a through hole; 43. a notch; 44. a support plate; 45. positioning a plate; 5. a return spring; 6. and a bottom support.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the hub motor end cover bearing pressing tool comprises a frame 1, a pressing head 2, a base 3, a sliding plate 4, a return spring 5 and a bottom support 6.

In this embodiment, the top of frame 1 is fixed with the hydro-cylinder, is connected with pressure head 2 on the output shaft of hydro-cylinder, and the hydro-cylinder can drive pressure head 2 and reciprocate, and in actual production, the top of frame 1 can be fixed with the cylinder, is connected with pressure head 2 on the output shaft of cylinder. The bottom of frame 1 has linked firmly collet 6, and base 3 detachable links firmly on collet 6, and the top of base 3 has the spacing portion 31 that is used for the location bearing.

The rack 1 is further provided with a sliding plate 4 capable of moving up and down, the sliding plate 4 is provided with a through hole 42 which is penetrated through by the limiting part 31, one side of the sliding plate 4 is provided with a notch 43, the notch 43 is communicated with the through hole 42, two side walls of the notch 43 are obliquely and outwards arranged from the through hole 42 to the outside, and the notch 43 is in a flaring shape.

Specifically, the sliding plate 4 includes a supporting plate 44 and a positioning plate 45, the positioning plate 45 is detachably fixed to the supporting plate 44 by bolts, and the through holes 42 and the notches 43 penetrate through the supporting plate 44 and the positioning plate 45. The top of locating plate 45 has location portion 41, and in this embodiment, location portion 41 includes the location rib 411 of three protruding settings, and location rib 411 is the opening ring-type, has positioning groove 412 between two adjacent location ribs 411, and positioning groove 412's both ends all are linked together with breach 43, and in actual production, the quantity of location rib 411 can be two or four.

The frame 1 includes two parallel arrangement's guide bar 11, and the both ends cover of backup pad 44 makes sliding plate 4 can reciprocate along frame 1 outside the guide bar 11, is equipped with reset spring 5 between the bottom of sliding plate 4 and the frame 1, and reset spring 5's quantity is two, and two reset spring 5 are located between base 3 and the corresponding guide bar 11 respectively. In this embodiment, the positioning portion 41 is located above the limiting portion 31 in the vertical direction under the action of the elastic force of the return spring 5, and in actual production, the positioning portion 41 is flush with the limiting portion 31 in the vertical direction under the action of the elastic force of the return spring 5.

When the bearing positioning device works, the bearing is firstly placed on the limiting part 31 of the base 3 to position the bearing, and then the end cover is placed on the positioning part 41 of the sliding plate 4 to position the end cover. The pressure head 2 moves downwards and abuts against the end cover, the pressure head 2 continuously moves downwards to overcome the elastic force of the return spring 5 to enable the sliding plate 4 to move downwards, the bearing is enabled to contact the end cover and is pressed into a bearing chamber fixed in the end cover, after the press-fitting is completed, the pressure head 2 moves upwards, the sliding plate 4 moves upwards under the elastic force of the return spring 5, the end cover and the bearing which are pressed and mounted are enabled to move upwards, and an operator can transversely take down the end cover and the bearing from the gap 43.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the frame 1, the guide rod 11, the pressing head 2, the base 3, the limiting portion 31, the sliding plate 4, the positioning portion 41, the positioning rib 411, the positioning groove 412, the through hole 42, the notch 43, the supporting plate 44, the positioning plate 45, the return spring 5, the shoe 6, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a wheel hub motor end cover pressure bearing frock, includes frame (1), the top of frame (1) is equipped with pressure head (2) that can reciprocate, its characterized in that, the bottom of frame (1) is equipped with base (3), the top of base (3) has spacing portion (31) that are used for the location bearing, still be equipped with sliding plate (4) that can reciprocate in frame (1), be equipped with reset spring (5) between the bottom of sliding plate (4) and frame (1), the top of sliding plate (4) has location portion (41) that are used for placing and fixing a position the end cover, through-hole (42) that supply spacing portion (31) to pass that run through have in sliding plate (4), one side of sliding plate (4) has breach (43) and this breach (43) are linked together with through-hole (42).

2. The hub motor end cover bearing pressing tool according to claim 1, wherein the positioning portion (41) is located above the limiting portion (31) or is flush with the limiting portion (31) in the vertical direction under the action of the elastic force of the return spring (5).

3. The hub motor end cover bearing pressing tool according to claim 1, wherein two side walls of the notch (43) are obliquely and outwardly arranged from the through hole (42) to the outside, and the notch (43) is flared.

4. The hub motor end cover bearing pressing tool according to claim 1, 2 or 3, wherein the sliding plate (4) comprises a supporting plate (44) and a positioning plate (45), the positioning plate (45) is detachably and fixedly connected to the supporting plate (44), the through hole (42) and the notch (43) penetrate through the supporting plate (44) and the positioning plate (45), the positioning portion (41) is located at the top of the positioning plate (45), and two ends of the supporting plate (44) are slidably connected with the frame (1) to enable the sliding plate (4) to move up and down along the frame (1).

5. The hub motor end cover bearing pressing tool according to claim 1, 2 or 3, wherein the positioning portion (41) comprises a plurality of protruding positioning ribs (411), the positioning ribs (411) are in an open ring shape, a positioning groove (412) is formed between every two adjacent positioning ribs (411), and two ends of the positioning groove (412) are communicated with the notch (43).

6. The hub motor end cover bearing pressing tool according to claim 4, wherein the frame (1) comprises two guide rods (11) which are arranged in parallel, two ends of the supporting plate (44) are sleeved outside the guide rods (11) so that the sliding plate (4) can move up and down along the frame (1), the number of the return springs (5) is two, and the two return springs (5) are respectively located between the base (3) and the corresponding guide rods (11).

7. The hub motor end cover bearing pressing tool according to claim 1, 2 or 3, wherein a bottom support (6) is fixedly connected to the bottom of the frame (1), and the base (3) is detachably and fixedly connected to the bottom support (6).