CN223115038U - Outer bearing fixing tool for hub unit assembly - Google Patents
Outer bearing fixing tool for hub unit assemblyInfo
- Publication number
- CN223115038U CN223115038U CN202422025292.6U CN202422025292U CN223115038U CN 223115038 U CN223115038 U CN 223115038U CN 202422025292 U CN202422025292 U CN 202422025292U CN 223115038 U CN223115038 U CN 223115038U
- Authority
- CN
- China
- Prior art keywords
- outer bearing
- hub
- fixing member
- fixing
- unit assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型公开了一种轮毂单元总成的外轴承固定工装，涉及轮毂装配术领域，外轴承固定工装用于安装在轮毂靠近外轴承一侧，以在向外轴承内的安装转向节时限制外轴承的移动，外轴承固定工装包括：内部设有通孔的阶梯轴状结构的固定件，固定件可拆卸地固定在轮毂安装外轴承的一侧，且固定件抵接于外轴承以限制外轴承的轴向移动。如此设置，对于已发生装配故障并且复原后的轮毂总成，将固定件固定安装在轮毂的安装有外轴承的一侧，此时固定件会紧紧的顶住轮毂的外轴承，此时将转向节推入轮毂总成中，即将转向节穿过外轴承，外轴承由于被固定件顶住而无法发生轴向移动，顺利完成转向节的装配后再取下固定件即可。
The utility model discloses an outer bearing fixing tool of a wheel hub unit assembly, which relates to the field of wheel hub assembly technology. The outer bearing fixing tool is used to be installed on the side of the wheel hub close to the outer bearing to limit the movement of the outer bearing when the steering knuckle is installed in the outer bearing. The outer bearing fixing tool includes: a fixing member of a stepped shaft structure with a through hole inside, the fixing member is detachably fixed on the side of the wheel hub where the outer bearing is installed, and the fixing member abuts against the outer bearing to limit the axial movement of the outer bearing. With such an arrangement, for a wheel hub assembly that has had an assembly failure and has been restored, the fixing member is fixedly installed on the side of the wheel hub where the outer bearing is installed. At this time, the fixing member will tightly support the outer bearing of the wheel hub. At this time, the steering knuckle is pushed into the wheel hub assembly, that is, the steering knuckle passes through the outer bearing. The outer bearing cannot move axially because it is supported by the fixing member. After the steering knuckle is successfully assembled, the fixing member can be removed.
Description
Technical Field
The utility model relates to the technical field of hub assembly, in particular to an outer bearing fixing tool of a hub unit assembly.
Background
At present, the domestic production is used for using the jump ring on maintenance-free wheel hub assembly, and chucking power has a lot of unqualified phenomenon, when wheel hub assembly assembled to the knuckle, if the chucking power of jump ring is not enough, can lead to the outer bearing of wheel hub to take place axial displacement, and the jump ring also can deviate from in the jump ring groove to can't accomplish the assembly. When the situation is met, an assembler needs to take down the hub assembly from the steering knuckle, take out the clamp spring, restore the inner bearing, reinstall the clamp spring into the clamp spring groove of the inner bearing and the outer bearing, and restore the hub assembly for reinstallation. When this is encountered, the probability of the hub unit being re-assembled with failure reproduction is very high, and labor is extremely wasted.
The hub is a cylindrical metal part with the center mounted on a shaft, the hub assembly comprises an assembly part of a hub, a bearing, a clamp spring and the like, the steering knuckle is also called a claw, is one of important parts in a steering axle of an automobile, can enable the automobile to stably run and sensitively transmit the running direction, is used as a shaft for pushing and assembling the hub, and the clamp spring belongs to a fastener for being mounted in a shaft groove or a hole groove of a machine or equipment and plays a role of preventing the axial movement of the part on the shaft or the hole. The inner bearing and the outer bearing of the hub are clamped on the hub, so that the outer bearing cannot axially move during assembly to cause the assembly to be out of place.
Therefore, how to avoid the insufficient clamping force of the clamping spring, which causes the outer bearing to axially move when the knuckle is installed in the hub, is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of utility model
The utility model aims to provide an outer bearing fixing tool for a hub unit assembly, which can avoid axial movement of an outer bearing when a knuckle is installed in a hub due to insufficient clamping force of a clamping spring.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The outer bearing fixing tool comprises a fixing piece of a stepped shaft-shaped structure, wherein the fixing piece is internally provided with a through hole, the fixing piece is detachably fixed on one side of the hub, on which the outer bearing is mounted, and the fixing piece is abutted against the outer bearing to limit the axial movement of the outer bearing.
Preferably, the fixing member includes a first positioning surface and a second positioning surface perpendicular to each other, a bolt hole is provided on the first positioning surface, and the bolt hole corresponds to a threaded hole on the outer side of the hub, and the fixing member is mounted to the outer side of the hub by a fixing bolt.
Preferably, the fixing member further includes an abutment surface, and the abutment surface abuts against the inner ring of the outer bearing when the fixing member is fixed by the fixing bolt.
Preferably, the second positioning surface abuts against the step surface on the outer side of the hub, and the second positioning surface is used for positioning the mounting position of the fixing piece.
Preferably, the fixing piece further comprises a yielding step arranged on the outer side of the abutting surface, and a gap is reserved between the yielding step and the outer bearing when the abutting surface abuts against the inner ring of the outer bearing.
Preferably, the second positioning surface is in clearance fit with the step surface on the outer side of the hub.
Preferably, the inner diameter of the abutment surface is larger than the inner diameter of the outer bearing inner ring, and the outer diameter of the abutment surface is smaller than the outer diameter of the outer bearing inner ring.
Preferably, two bolt holes are arranged on the first positioning surface in the vertical direction.
Preferably, the fastener material is a hard plastic.
Preferably, the fixing member is integrally formed by injection molding.
Compared with the background art, the outer bearing fixing tool of the hub unit assembly is used for being arranged on one side of a hub close to an outer bearing so as to limit movement of the outer bearing when a steering knuckle is arranged in the outer bearing, and comprises a fixing piece of a stepped shaft-shaped structure with a through hole arranged inside, wherein the fixing piece is detachably fixed on one side of the hub, on which the outer bearing is arranged, and the fixing piece is abutted against the outer bearing so as to limit axial movement of the outer bearing.
Specifically, for the hub assembly after assembly failure and recovery, the fixing piece is fixedly arranged on one side of the hub, provided with the outer bearing, of the hub, at the moment, the fixing piece can tightly prop against the outer bearing of the hub, at the moment, the knuckle is pushed into the hub assembly, namely, the knuckle passes through the outer bearing, the outer bearing cannot axially move due to being propped against by the fixing piece, and the fixing piece is taken down after the assembly of the knuckle is successfully completed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a fixing member according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of a usage state of a fixture according to an embodiment of the present utility model.
Wherein:
01-hub, 02-outer bearing, 03-knuckle;
100-fixing piece, 110-first positioning surface, 111-bolt hole, 112-fixing bolt, 120-second positioning surface, 130-abutting surface and 140-step of giving way.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left" and "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limitations of the present utility model.
The utility model aims to provide an outer bearing fixing tool for a hub unit assembly, which can avoid axial movement of an outer bearing when a knuckle is installed in a hub due to insufficient clamping force of a clamping spring.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
Referring to FIGS. 1 to 3, the present embodiment provides an outer bearing fixing tool for a hub unit assembly, which is configured to be installed on a side of a hub 01 adjacent to an outer bearing 02 to limit movement of the outer bearing 02 when a knuckle 03 is installed in the outer bearing 02, wherein the outer bearing 02 fixing tool includes a fixing member 100 having a stepped shaft-like structure with a through hole formed therein, the fixing member 100 is detachably fixed on a side of the hub 01 on which the outer bearing 02 is installed, and the fixing member 100 abuts against the outer bearing 02 to limit axial movement of the outer bearing 02.
Specifically, when the fixing tool in this embodiment is used to insert the knuckle 03 into the hub 01, the fixing tool is in a cylindrical structure, and when the knuckle 03 needs to be inserted into the outer bearing 02 in the hub 01, the fixing tool is assembled to a side opposite to the insertion direction of the knuckle 03, as shown in fig. 3, so that when the knuckle 03 is inserted to the left, the outer bearing 02 has a tendency to move to the left, but under the action of the fixing tool, the outer bearing 02 will be firmly supported until the installation of the knuckle 03 is completed.
In other words, for the hub 01 assembly after the assembly failure and recovery, the fixing member 100 is fixedly installed on the side of the hub 01 where the outer bearing 02 is installed, at this time, the fixing member 100 will tightly prop against the outer bearing 02 of the hub 01, at this time, the knuckle 03 is pushed into the hub 01 assembly, that is, the knuckle 03 passes through the outer bearing 02, the outer bearing 02 cannot move axially due to being propped against by the fixing member 100, and the fixing member 100 is removed after the assembly of the knuckle 03 is successfully completed.
Preferably, the fixing member 100 includes a first positioning surface 110 and a second positioning surface 120 perpendicular to each other, the first positioning surface 110 is provided with a bolt hole 111, and the bolt hole 111 corresponds to a threaded hole on the outer side of the hub 01, and the fixing member 100 is mounted to the outer side of the hub 01 by a fixing bolt 112.
As shown in fig. 2, in this embodiment, the first step of the fixing member 100 includes a first positioning surface 110 and a second positioning surface 120 that are perpendicular to each other, and a bolt hole 111 may be disposed on a circumference of the first positioning surface 110, where the first positioning surface 110 is attached to an outer side surface of the hub 01 when the fixing member 100 is in an installation state, and the bolt hole 111 thereon corresponds to a threaded hole on the hub 01, so that the fixing bolt 112 is convenient to pass through the bolt hole 111 and the threaded hole, and fix and install the fixing member 100.
In addition to the above embodiment, the fixing member 100 further includes an abutment surface 130, and the abutment surface 130 abuts against the inner ring of the outer bearing 02 when the fixing member 100 is fixed by the fixing bolt 112.
As shown in fig. 2, the abutment surface 130 is specifically an end surface of the smaller diameter end of the fixing member 100, and the abutment surface 130 can abut against the inner ring of the outer bearing 02 after the fixing member 100 is mounted in place, so as to prevent the outer bearing 02 from moving outwards.
Preferably, the second positioning surface 120 abuts against a step surface on the outer side of the hub 01, and the second positioning surface 120 is used for positioning the mounting position of the fixing member 100.
It can be appreciated that the arrangement of the second positioning surface 120 can enable an operator to conveniently and rapidly complete the positioning and the installation of the fixing member 100, in this embodiment, the diameter of the second positioning surface 120 just matches with the step surface on the outer side of the hub 01, so that the second positioning surface 120 is abutted against the step surface of the hub 01 when the fixing member 100 is in the installation state.
Preferably, the fixing member 100 further includes a step 140 disposed outside the abutment surface 130, and a gap is left between the step 140 and the outer bearing 02 when the abutment surface 130 abuts against the inner ring of the outer bearing 02.
In addition, in this embodiment, the fixing member 100 is specifically of a three-step structure, where a step at one end of the abutment surface 130 is set as the step 140 of giving way, that is, when the fixing member 100 is in an installation state, a certain space is left between the fixing member 100 and the outer bearing 02 due to the step 140 of giving way, so that the fixing member 100 cannot be installed in place due to a machining error of the fixing member 100 can be avoided, the applicability of the fixing member 100 can be increased, and the difficulty in production and manufacture of the fixing member is reduced.
Preferably, the second positioning surface 120 is in clearance fit with the step surface on the outer side of the hub 01.
In this embodiment, in order to facilitate quick installation and removal of the fixing member 100, the second positioning surface 120 is in clearance fit with the step surface on the outer side of the valley wheel.
Preferably, the inner diameter of the abutment surface 130 is larger than the inner diameter of the inner ring of the outer bearing 02, and the outer diameter of the abutment surface 130 is smaller than the outer diameter of the inner ring of the outer bearing 02.
It will be appreciated that this arrangement allows the mount 100 to be stably abutted against the outer bearing 02, while avoiding damage to the outer bearing 02 by the end abutting against the space between the outer and inner races of the outer bearing 02.
Preferably, two bolt holes 111 are provided in the vertical direction on the first positioning surface 110.
It will be appreciated that the number of the bolt holes 111 on the first positioning surface 110 may be set according to practical situations, in this embodiment, it is preferable that two bolt holes 111 are provided on the first positioning surface 110, and the two bolt holes 111 are located on the same straight line, so that not only the installation strength of the fixing member 100 is ensured, but also the manufacturing length of the fixing member 100 is reduced.
Preferably, the material of the fixing member 100 is a hard plastic.
In this embodiment, in order to reduce the manufacturing cost of the fixing member 100 and the portability in use, the fixing member 100 is preferably made of hard plastic.
Preferably, the fixing member 100 is integrally formed by injection molding.
Further, the fixing member 100 is preferably integrally molded by injection molding, so that not only the manufacturing strength of the whole fixing member 100 can be improved, but also the manufacturing cost of the fixing member 100 can be reduced, and the production efficiency of the fixing member 100 can be improved.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The embodiments of the present utility model have been described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The outer bearing fixing tool for the hub unit assembly is used for being installed on one side, close to an outer bearing (02), of a hub (01) so as to limit movement of the outer bearing (02) when a steering knuckle (03) is installed in the outer bearing (02), and is characterized by comprising a fixing piece (100) of a stepped shaft-shaped structure, wherein a through hole is formed in the fixing piece, the fixing piece (100) is detachably fixed on one side, on which the outer bearing (02) is installed, of the hub (01), and the fixing piece (100) abuts against the outer bearing (02) so as to limit axial movement of the outer bearing (02).
2. The outer bearing fixing tool of a hub unit assembly according to claim 1, wherein the fixing member (100) comprises a first locating surface (110) and a second locating surface (120) which are perpendicular to each other, a bolt hole (111) is formed in the first locating surface (110), the bolt hole (111) corresponds to a threaded hole in the outer side of the hub (01), and the fixing member (100) is mounted to the outer side of the hub (01) through a fixing bolt (112).
3. The outer bearing fixing tool of the hub unit assembly according to claim 2, wherein the fixing member (100) further comprises an abutment surface (130), the abutment surface (130) abutting against an inner ring of the outer bearing (02) when the fixing member (100) is fixed by the fixing bolt (112).
4. An outer bearing fixing tool for a hub unit assembly according to claim 3, wherein the second locating surface (120) abuts against a step surface on the outer side of the hub (01), and the second locating surface (120) is used for locating the mounting position of the fixing member (100).
5. The outer bearing fixing tool of the hub unit assembly according to claim 3, wherein the fixing piece (100) further comprises a step (140) arranged on the outer side of the abutting surface (130), and a gap is reserved between the step (140) and the outer bearing (02) when the abutting surface (130) abuts against the inner ring of the outer bearing (02).
6. The outer bearing fixing tool of the hub unit assembly according to claim 4, wherein the second positioning surface (120) is in clearance fit with a step surface on the outer side of the hub (01).
7. The outer bearing fixing tool of a hub unit assembly according to claim 4, wherein the inner diameter of the abutting surface (130) is larger than the inner diameter of the inner ring of the outer bearing (02), and the outer diameter of the abutting surface (130) is smaller than the outer diameter of the inner ring of the outer bearing (02).
8. The outer bearing fixing tool of the hub unit assembly according to claim 2, wherein two bolt holes (111) are arranged on the first positioning surface (110) in the vertical direction.
9. The outer bearing fixing tool of a hub unit assembly according to claim 1, wherein the fixing member (100) material is a hard plastic.
10. The outer bearing fixing tool of the hub unit assembly according to claim 9, wherein the fixing member (100) is integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422025292.6U CN223115038U (en) | 2024-08-20 | 2024-08-20 | Outer bearing fixing tool for hub unit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422025292.6U CN223115038U (en) | 2024-08-20 | 2024-08-20 | Outer bearing fixing tool for hub unit assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223115038U true CN223115038U (en) | 2025-07-18 |
Family
ID=96378525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422025292.6U Active CN223115038U (en) | 2024-08-20 | 2024-08-20 | Outer bearing fixing tool for hub unit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223115038U (en) |
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2024
- 2024-08-20 CN CN202422025292.6U patent/CN223115038U/en active Active
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| GR01 | Patent grant |