CN216543091U

CN216543091U - Rapid assembly tool for antifriction gasket

Info

Publication number: CN216543091U
Application number: CN202122440696.8U
Authority: CN
Inventors: 沈健键; 马喆; 刘杰; 李文豪; 余良义; 车旭成; 刘宇
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-17
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to a rapid assembling tool for an anti-friction gasket, which comprises an outer sleeve (2) and an inner sleeve (3) detachably connected with the outer sleeve (2), wherein the inner sleeve (3) is provided with a movable cavity (7) for an outer ball cage shell (9) to penetrate through, an anti-friction gasket limiting structure (4) and an anti-friction gasket mounting part (32) for bearing the anti-friction gasket (8) are arranged outside the inner sleeve (3), and one end of the outer sleeve (2) is provided with an anti-friction gasket press-mounting structure (6) for press-mounting the anti-friction gasket (8) and a binding surface (10) of the outer ball cage shell and a hub bearing. Compared with the prior art, the utility model has the advantages of realizing automatic centering, realizing rapid assembly and replacement, improving the assembly efficiency and the like in the assembly process.

Description

Rapid assembly tool for antifriction gasket

Technical Field

The utility model relates to the technical field of automobile assembly, in particular to a rapid assembly tool for an antifriction gasket.

Background

Along with the development of the automobile industry and the promotion of market demands, the power of the whole automobile is stronger and stronger, the output torque peak value and the torque establishing speed of a new energy automobile type are far higher than those of a traditional fuel oil automobile type, so that the starting abnormal sound problem caused by the relative motion of the joint surface of a driving shaft and a hub bearing is more and more prominent, and the antifriction gasket is developed. The outer ball cage shell is a part of the constant-speed drive shaft assembly, the fitting surfaces of the outer ball cage shell and the wheel hub are in an assembly relation, the outer ball cage shell and the wheel hub are mutually fitted after assembly, and relative friction exists in the actual use process; therefore, the antifriction gasket is arranged between the outer ball cage shell and the binding surface of the hub bearing, so that the outer ball cage shell is isolated from the hub bearing, and abnormal sound caused by two metal frictions is avoided; and further, when the power of the engine or the motor is output, the abnormal friction sound is eliminated.

Compared with a metal gasket (shown in figure 1) provided with the clamping jaws 1 for assembly, the nonmetal antifriction gasket made of the novel composite material is most commonly used at present (shown in figure 2), and compared with the metal gasket, the nonmetal antifriction gasket made of the novel composite material has the advantages of higher fatigue strength, better safety performance, high temperature resistance and capability of avoiding resonance of a component in a working state. However, in the actual assembly process of the non-metal composite antifriction gasket, due to the lack of the positioning structure of the clamping jaws, the centering in the assembly process cannot be realized, so that the actual assembly efficiency is low, and the beat requirement of an automobile assembly production line is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to overcome the above-mentioned drawbacks of the prior art by providing a tool for the rapid assembly of anti-friction pads.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a rapid Assembly instrument of antifriction gasket, includes the outer sleeve and can dismantle the inner skleeve of being connected with the outer sleeve, the inner skleeve is equipped with the activity chamber that penetrates for outer ball cage casing, the inner skleeve section of thick bamboo is equipped with antifriction gasket limit structure outward and is used for bearing the antifriction gasket's of required assembly antifriction gasket installation department, the one end of outer sleeve is equipped with and is used for carrying out the antifriction gasket pressure equipment structure of pressure equipment to antifriction gasket and outer ball cage casing and the binding face of wheel hub bearing.

Preferably, the outer sleeve is provided with a containing cavity for containing the inner sleeve, the outer diameter of the movable cavity is equal to the inner diameter of the containing cavity, and the length of the outer sleeve is smaller than that of the inner sleeve.

Preferably, the outer sleeve and the inner sleeve are detachably connected through an inner sleeve and outer sleeve limiting structure.

Preferably, interior outer sleeve limit structure is including locating the first coupling assembling of inner skleeve surface and locating the second coupling assembling of outer skleeve internal surface, first coupling assembling with the connection can be dismantled to the second coupling assembling.

Preferably, antifriction gasket installation department locates first coupling assembly with antifriction gasket limit structure between.

Preferably, the antifriction gasket press-fitting structure is a ring structure arranged at the end part of the outer sleeve, and the width of the ring structure is the same as that of the antifriction gasket to be assembled.

Preferably, antifriction gasket pressure equipment structure with antifriction gasket limit structure antifriction gasket installation department locates same direction end, just behind the inner skleeve embedding outer sleeve, antifriction gasket installation department antifriction gasket limit structure is external state.

Preferably, the antifriction gasket limit structure is a sawtooth structure.

Preferably, the outer diameter of each saw tooth of the saw tooth structure is larger than the inner diameter of the friction reducing gasket to be assembled, and the height of the saw tooth close to the outermost end of the inner sleeve is larger than the thickness of the friction reducing gasket to be assembled.

Preferably, the outer sleeve and the inner sleeve are both non-metallic sleeves.

Compared with the prior art, the utility model has the following advantages:

1) the rapid assembling tool comprises an inner sleeve and an outer sleeve, wherein the inner sleeve has a centering function by arranging the antifriction gasket mounting part and the antifriction gasket limiting mechanism, so that the nonmetal composite gasket is automatically centered in the assembling process.

2) The anti-friction gasket is limited by the two structures with different limiting degrees, and the anti-friction gasket, the outer sleeve and the anti-friction gasket form limiting, so that the anti-friction gasket can be stably and normally assembled, can be quickly replaced after the gasket is completely consumed, can be quickly assembled and replaced, and improves the assembly efficiency.

3) Can dismantle through interior outer sleeve limit structure between outer sleeve and the inner skleeve and be connected, can be so that outer sleeve does not slide easily in the assembly process, and an outer sleeve can cooperate the pressure equipment to a plurality of inner skleeves, also can directly carry out quick replacement in addition under the damage condition appears, and then improve assembly stability and flexibility, practice thrift cost of maintenance.

Drawings

FIG. 1 is a schematic view of a prior art metallic anti-friction gasket;

FIG. 2 is a schematic view of a prior art non-metallic friction reducing gasket of a composite material;

FIG. 3 is a schematic external view of a rapid assembly tool for friction reducing shims according to an embodiment;

FIG. 4 is a schematic cross-sectional view of a rapid assembly tool for friction reducing shims according to an embodiment;

FIG. 5 is a schematic representation of the inner sleeve of the rapid assembly tool for friction reducing shims of an embodiment;

FIG. 6 is a schematic structural view of an outer sleeve of the rapid assembly tool for anti-friction shims according to an embodiment;

FIG. 7 is a schematic flow chart showing steps of the rapid assembly tool for friction reducing shims in an embodiment before press-fitting during assembly;

FIG. 8 is a schematic flow chart illustrating steps of the rapid assembly tool for friction reducing shims in an embodiment after press fitting in assembly;

FIG. 9 is a schematic structural diagram of a limiting structure of a friction reducing gasket in the rapid assembly tool for friction reducing gaskets in the embodiment;

the reference numbers in the figures indicate:

1. jack catch, 2, outer sleeve, 21, internal thread, 3, inner skleeve, 31, external screw thread, 32, antifriction gasket installation department, 4, antifriction gasket limit structure, 5, interior outer sleeve limit structure, 6, antifriction gasket pressure equipment structure, 7, activity chamber, 8, antifriction gasket, 9, outer ball cage casing, 10, the binding face of outer ball cage casing and wheel hub bearing.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

Examples

The utility model relates to a rapid assembly tool for antifriction gaskets, which is used for providing rapid and efficient assembly assistance for non-metal composite antifriction gaskets in the actual assembly process, and as shown in figures 3-6, the assembly tool comprises an outer sleeve 2 and an inner sleeve 3, both of which are non-metal material sleeves.

The inner sleeve 3 is provided with a movable cavity 7 which penetrates through the upper end surface and the lower end surface of the inner sleeve 3 and is used for assembling the antifriction gasket by penetrating the outer ball cage shell 9. The outer sleeve 2 is provided with a receiving cavity for receiving the inner sleeve 3, and the outer diameter of the movable cavity 7 is equal to the inner diameter of the receiving cavity. The length of the outer sleeve 2 is smaller than the length of the inner sleeve 3. The outer sleeve 2 and the inner sleeve 3 are detachably connected with each other through an inner sleeve limiting structure 5 and an outer sleeve limiting structure 5. When in connection, the inner sleeve 3 is nested in the outer sleeve 2 through the inner and outer sleeve limiting structures 5.

In the utility model, the inner and outer sleeve limiting structures 5 can adopt thread structures arranged on the inner side of the outer sleeve 2 and the inner sleeve 3, can also adopt wave-shaped structures arranged on the inner side of the outer sleeve 2 and the inner sleeve 3, can also adopt a hole-clamping buckle matching structure, or other matching structures capable of producing the same effect. Because the materials of the inner sleeve and the outer sleeve are both non-metal materials, a certain degree of elastic deformation is allowed in the actual use process. As long as the cooperation that the structure formed satisfies and to dismantle, not hard up demand easily can.

In the present embodiment, the inner and outer sleeve limiting structure 5 is preferably a threaded structure, and specifically includes a continuous and integral external thread 31 disposed on the outer surface of the inner sleeve 3, as shown in fig. 5, the external thread 31 is disposed at a middle position of the outer surface of the inner sleeve 3, and the external surfaces of the two ends of the inner sleeve 3 do not have the external thread 31. The inner sleeve and outer sleeve limiting structure 5 further comprises a continuous and integrated internal thread 21 arranged on the inner surface of the cylinder body of the outer sleeve 2, and the external thread 31 of the inner sleeve 3 is matched with the internal thread 21 of the outer sleeve 2 in shape, size and uniform distribution position.

As shown in fig. 5, the outer surface of one end of the inner sleeve 3 is provided with a friction reducing gasket limiting structure 4 for limiting the friction reducing gasket 8. An antifriction gasket mounting part 32 for bearing antifriction gaskets is arranged between the antifriction gasket limiting structure 4 and the external threads 31.

In this embodiment, as a preferable scheme, the antifriction pad limiting structure 4 is a saw-toothed structure, the outer diameter of each saw tooth is larger than the inner diameter of the antifriction pad 8, and the height of the first saw tooth close to the outermost end of the inner sleeve 3 is larger than the thickness of the antifriction pad 8.

This embodiment illustrates that, as shown in fig. 9, assuming that the inner diameter of the non-metallic anti-friction pad 8 is 40mm and the thickness is 1mm, the anti-friction pad limiting structure 4 may be a saw-tooth structure with an outer diameter of 41mm and a height difference of 2 mm. The height of the first teeth close to the outermost end of the innermost sleeve 3 is designed to exceed the thickness of the antifriction pad 8, and 1.5mm can be adopted, so that the outermost antifriction pad 8 and the surface of the outer ball cage shell 9 are bonded and do not receive or receive small interference friction force, and the outermost antifriction pad can be easily separated from a tool. Because the non-metal friction reducing gasket material is made of fabric and epoxy resin, larger interference is allowed, and the outer diameter of the sawtooth structure can be adjusted according to actual conditions.

As shown in fig. 6, an anti-friction gasket press-fitting structure 6 is arranged outside one end of the outer sleeve 2 and used for press-fitting anti-friction gaskets. Antifriction gasket pressure equipment structure 6 sets up in same direction end with antifriction gasket limit structure 4, antifriction gasket installation department 32, and inner skleeve 3 through the 5 cover inlays in outer sleeve 2 backs of inner and outer sleeve limit structure, antifriction gasket installation department 32, antifriction gasket limit structure 4 are external state, the state in outer sleeve 2 is established to the non-cover promptly.

In the present embodiment, the antifriction pad press-fitting structure 6 is preferably a ring structure provided at the end of the outer sleeve 2, and the width of the ring structure is the same as the width dimension of the antifriction pad to be fitted.

Referring to fig. 7 and 8, the antifriction gasket quick assembly tool of the present invention is used according to the following principle:

s1, pre-gasket:

and sequentially sleeving a plurality of antifriction gaskets 8 with the same size and structure outside the inner sleeve 3 and placing the antifriction gaskets between the antifriction gasket limiting structure 4 and the external thread 31. It is preferable to fit from the end that does not have the friction reducing spacer retainer 4.

S2, repeat S1, prepare a plurality of inner sleeves 3 pre-assembled with anti-friction pads 8 as described above.

S3, assembling an outer sleeve:

the outer sleeve 2 is fitted outside the inner sleeve 3 from the end of the inner sleeve 3 not having the anti-friction pad retainers 4.

And S4, holding the outer sleeve 2 by hand, and gluing the first antifriction gasket 8 at the end part of the outermost antifriction gasket limiting structure 4, which is close to the antifriction gasket limiting structure, so as to connect the outer ball cage shell 9 and bond the antifriction gasket 8 with the surface of the outer ball cage shell 9. And the entire tool is moved so that the outer ball cage housing 9 nests in the movable chamber 7 of the inner sleeve 3.

And S5, utilizing the antifriction gasket press-fitting structure 6 of the outer sleeve 2 to press-fit the outermost first antifriction gasket 8 close to the end part of the antifriction gasket limiting structure 4 to be assembled on the joint surface 10 of the outer ball cage shell and the hub bearing.

S6, the outer sleeve 2 is held by hand and pulled out, the steps 4-6 are repeated, and the assembly of each antifriction gasket 8 is completed in sequence.

S7, after the antifriction pads 8 on each inner sleeve 3 are consumed, the outer sleeve 2 is pulled out, and S2-S are repeated.

In addition to the above embodiment, the antifriction gasket limit structure, the inner and outer sleeve limit structure, the antifriction gasket press-fitting structure and the like of the present invention may also adopt other structures, so that a structure that achieves the same performance index may be used as an alternative.

The rapid assembling tool for the antifriction gaskets comprises an inner sleeve and an outer sleeve, wherein the inner sleeve has a centering function, and forms limit with the outer sleeve and the antifriction gaskets through two structures with different limit degrees, and the rapid assembling tool for the antifriction gaskets has the functions that the outer sleeve cannot easily slide in the assembling process, the antifriction gaskets are normally assembled, and the gaskets can be rapidly replaced after the gaskets are consumed.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a rapid Assembly instrument of antifriction gasket, its characterized in that includes outer sleeve (2) and can dismantle inner skleeve (3) of being connected with outer sleeve (2), inner skleeve (3) are equipped with movable chamber (7) for outer ball cage casing (9) penetrate, inner skleeve (3) are equipped with antifriction gasket limit structure (4) outward and are used for bearing antifriction gasket installation department (32) of the antifriction gasket (8) of required assembly, the one end of outer sleeve (2) is equipped with antifriction gasket pressure equipment structure (6) that are used for carrying out the pressure equipment to antifriction gasket (8) and outer ball cage casing and binding face (10) of wheel hub bearing.

2. Tool for the rapid assembly of anti-friction gaskets according to claim 1, characterized in that the outer sleeve (2) is provided with a housing cavity for housing the inner sleeve (3), the outer diameter of the active cavity (7) being equal to the inner diameter of the housing cavity, the length of the outer sleeve (2) being smaller than the length of the inner sleeve (3).

3. A tool for the rapid assembly of anti-friction pads according to claim 1, characterised in that the outer sleeve (2) is removably connected to the inner sleeve (3) by means of inner and outer sleeve limiting structures (5).

4. A tool for the rapid assembly of anti-friction pads according to claim 3, characterized in that the inner and outer sleeve limiting structure (5) comprises a first connecting assembly arranged on the outer surface of the inner sleeve (3) and a second connecting assembly arranged on the inner surface of the outer sleeve (2), the first connecting assembly being detachably connected with the second connecting assembly.

5. The rapid assembly tool for anti-friction pads according to claim 4, characterized in that the anti-friction pad mounting portion (32) is provided between the first connection assembly and the anti-friction pad limiting structure (4).

6. A rapid assembly tool for anti-friction pads according to claim 5, characterized in that the anti-friction pad press-fitting structure (6) is a ring structure provided at the end of the outer sleeve (2) and having the same width as the anti-friction pads (8) to be assembled.

7. The rapid assembling tool for antifriction gaskets according to claim 6, characterized in that antifriction gasket pressure equipment structure (6) with antifriction gasket limit structure (4) same direction end is located in antifriction gasket installation department (32), just after inner skleeve (3) cover embedding outer sleeve (2), antifriction gasket installation department (32) antifriction gasket limit structure (4) are external state.

8. A rapid assembly tool for anti-friction pads according to claim 1, characterized in that the anti-friction pad limiting structure (4) is a saw tooth like structure.

9. A tool for the rapid assembly of friction reducing shims according to claim 8, characterized in that the outer diameter of each saw tooth of the saw-toothed configuration is larger than the inner diameter of the friction reducing shim (8) to be assembled, and the height of the saw tooth near the outermost end of the inner sleeve (3) is larger than the thickness of the friction reducing shim (8) to be assembled.

10. A tool for the rapid assembly of friction reducing shims according to claim 1, characterized in that both the outer sleeve (2) and the inner sleeve (3) are non-metallic sleeves.