CN210344960U

CN210344960U - Truck hub bearing grease injection tool

Info

Publication number: CN210344960U
Application number: CN201921191151.4U
Authority: CN
Inventors: 陈昕; 李禹泽
Original assignee: Changchun Faw Sihuan Transmission Auto Parts Co ltd
Current assignee: Changchun Faw Sihuan Transmission Auto Parts Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-17
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a truck hub bearing grease injection tool, which comprises a lower base, a centering sheath, a pressure plate, an upper cover and a grease injection head, wherein the top surface of the lower base is provided with a placing cavity, a lower base at the bottom of the placing cavity is provided with a ventilation cavity, the centering sheath is placed in the placing cavity, the pressure plate is fixedly connected on the upper surface of the lower base, a sealing plate is also arranged between the pressure plate and the lower base and fixes the position of the centering sheath, the center of a top plate of the upper cover is provided with a grease injection pipe connecting interface, the periphery of the grease injection head is uniformly provided with grease injection holes, and the lower surface of the grease injection head is also provided with an anti-overflow groove. The bearing is positioned and installed through the centering sheath, and the risk of collision injury can be effectively avoided in the process of loading and unloading the bearing.

Description

Truck hub bearing grease injection tool

Technical Field

The utility model relates to a bearing processing technical field, concretely relates to fat frock is annotated to truck hub bearing.

Background

The wheel hub bearing realizes the important part that the vehicle gos forward, and the life-span of bearing is guaranteed in the lubrication that needs its grease more simultaneously, and present bearing notes fat technique can guarantee quantitative control, but needs the frock that suits to cooperate the completion, guarantees to annotate the fat state.

Among the prior art, the notes fat of bearing adopts the outer ring as the location frock mostly, when the bearing model that needs annotate fat changes, needs carry out the change of whole frock down, and the change of frock is more troublesome down, and in addition, the bearing still causes the risk of colliding with of bearing easily at the in-process of carrying out upper and lower piece.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a truck hub bearing annotates fat frock, the utility model discloses a realize through following technical scheme.

A truck hub bearing grease injection tool comprises a lower base, a centering sheath, a pressing plate, an upper cover and a grease injection head, wherein a placing cavity is arranged on the top surface of the lower base, a ventilation cavity is arranged in a lower base at the bottom of the placing cavity, a fixing hole penetrating through the bottom surface of the lower base is formed in the bottom surface of the ventilation cavity, a vent hole from a pipeline to the side wall of the lower base is formed in the side wall of the ventilation cavity, first thread fastening holes are uniformly formed in the circumference of the top surface of the lower base, the centering sheath is placed in the placing cavity, the inner cavity of the centering sheath is in an inverted circular truncated cone shape, an annular lapping table is further arranged at the bottom of the inner cavity of the centering sheath, the centering sheath and the annular lapping table are integrally cast and formed, the pressing plate is in an annular structure, first counter holes which are arranged in pairs with the first thread fastening holes are formed in the pressing plate, the paired first counter holes, the closing plate is the annular structure, and the inner circle diameter of closing plate is less than the diameter of placing the chamber, and the closing plate is with the rigidity of centering sheath, the upper cover is the open cylindrical cavity structure in bottom, and the roof lower surface of upper cover is the bowl shape of back-off, and the roof center of upper cover is equipped with notes fat union coupling interface, and it evenly is equipped with the second counter bore to go back the circumference on the roof of upper cover, annotate the interior intracavity of fat head setting at the upper cover, and the roof of annotating the fat head is equipped with the second screw fastening hole that sets up in pairs with the second counter bore, and mated second screw fastening hole and second counter bore pass through counter bore screw rigid coupling, annotate the overhead circumference of going back of fat and evenly be equipped with notes fat hole, the lower surface of annotating.

Further, the sealing plate is a crystal plate.

Furthermore, an annular rubber sealing ring is placed on the abutment.

Furthermore, the centering sheath is made of nylon.

Furthermore, a rubber sealing gasket is arranged between the grease injection head and the upper cover.

Further, the lower base, the upper cover and the grease injection head are subjected to tempering HRC30-35, and the surfaces of the lower base, the upper cover and the grease injection head are blackened.

The beneficial effects of the utility model are that, novel structure, the function is practical, and the centering sheath of this device is convenient with annotate the change of fat head, is convenient for annotate the fat operation to the bearing of different models, fixes a position the installation to the bearing through the centering sheath, and the last lower part in-process of bearing can effectively avoid the risk of colliding with the injury.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model relates to a card car wheel hub bearing annotates the structural schematic diagram of fat frock;

FIG. 2: the structure of the lower base of the utility model is shown schematically;

FIG. 3: the structure of the centering sheath of the utility model is shown schematically;

FIG. 4: the structure of the pressing plate of the utility model is shown schematically;

FIG. 5: the structure of the upper cover of the utility model is shown schematically;

FIG. 6: the structure of the grease injection head of the utility model is schematically shown.

The reference numbers are as follows:

1. the lower base, 101, place the chamber, 102, the chamber of ventilating, 103, the fixed orifices, 104, the air vent, 105, first screw fastening hole, 2, centering sheath, 201, the platform, 202, the sealing washer, 3, the clamp plate, 301, first counter bore, 302, the sealing plate, 4, the upper cover, 401, annotate fat pipe connection interface, 402, the second counter bore, 5, annotate the fat head, 501, second screw fastening hole, 502, annotate the fat hole, 503, anti-overflow groove, 504, seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-6, a truck hub bearing grease injection tool comprises a lower base 1, a centering sheath 2, a pressure plate 3, an upper cover 4 and a grease injection head 5, wherein a placing cavity 101 is arranged on the top surface of the lower base 1, a vent cavity 102 is arranged in the lower base 1 at the bottom of the placing cavity 101, a fixing hole 103 penetrating through the bottom surface of the lower base 1 is arranged on the bottom surface of the vent cavity 102, a vent hole 104 leading a pipeline to the side wall of the lower base 1 is arranged on the side wall of the vent cavity 102, first threaded fastening holes 105 are uniformly arranged on the circumference of the top surface of the lower base 1, the centering sheath 2 is placed in the placing cavity 101, the inner cavity of the centering sheath 2 is in an inverted circular truncated cone shape, an annular abutment 201 is further arranged at the bottom of the inner cavity of the centering sheath 2, the centering sheath 2 and the annular abutment 201 are integrally cast and molded, the pressure plate 3 is in an annular structure, a first counter bore 301 paired with the first threaded fastening hole 105 is arranged on, still be equipped with the closing plate 302 between clamp plate 3 and the lower base 1, the closing plate 302 is the annular structure, the inner circle diameter of closing plate 302 is less than the diameter of placing chamber 101, the closing plate 302 is with centering sheath 2 rigidity, upper cover 4 is the open cylindrical cavity structure in bottom, the roof lower surface of upper cover 4 is the bowl shape of back-off, the roof center of upper cover 4 is equipped with notes fat pipe connection interface 401, it evenly is equipped with second counter bore 402 still to go back the circumference on the roof of upper cover 4, it sets up in the inner chamber of upper cover 4 to annotate fat head 5, the roof of annotating fat head 5 is equipped with the second screw fastening hole 501 that sets up in pairs with second counter bore 402, mated second screw fastening hole 501 and second counter bore 402 pass through counter bore screw rigid coupling, it evenly is equipped with notes fat hole 502 to annotate the last circumference of fat head 5, the lower surface of annotating fat head 5 still.

Preferably, the sealing plate 302 is a crystal plate.

Preferably, an annular rubber seal 202 is placed on the platform 201.

Preferably, the centering sheath 2 is made of nylon.

Preferably, a rubber sealing washer 504 is arranged between the grease injection head 5 and the upper cover 4.

Preferably, the lower base 1, the upper cover 4 and the grease injection head 5 are subjected to tempering HRC30-35, and the surfaces are blackened.

The working principle is as follows:

during the use, select the centering sheath 2 and the notes fat head 5 that correspond the specification according to the bearing model that annotates the fat as required, place centering sheath 2 and place chamber 101 in, pass through counter bore screw rigid coupling with clamp plate 3 and lower base 1, set up the closing plate 302 of quartzy board material between clamp plate 3 and the lower base 1, thereby the inner circle of closing plate 302 is pushed down centering sheath 2's top surface and is carried out the position fixing of centering sheath 2.

The grease injection head 5 is placed in the inner cavity of the upper cover 4, and the grease injection head 5 and the upper cover 4 are fixedly connected through counter bore screws.

Then the bearing to be filled with grease is placed in the centering sheath 2, the upper cover 4 is placed on the sealing plate 302, the bearing is tightly pressed between the centering sheath 2 and the grease filling head 5, the external grease conveying pipe is connected with the grease filling pipe connecting interface 401 and conveys grease, the grease falls on the upper surface of the grease filling head 5 and falls through the grease filling hole 502 to perform grease filling operation on the bearing, in the grease filling process, the conveyed grease amount is fixed for each bearing, if the speed of the grease falling through the grease filling hole 502 is greater than the speed of the grease absorption of the bearing, the redundant grease can be temporarily left in the anti-overflow groove 503 and slowly absorbed by the bearing, and the problem of insufficient grease filling amount of the bearing caused by grease waste or grease overflow is avoided.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a truck wheel hub bearing annotates fat frock which characterized in that: the grease injection device comprises a lower base, a centering sheath, a pressing plate, an upper cover and a grease injection head, wherein a placing cavity is arranged on the top surface of the lower base, a ventilation cavity is arranged in the lower base at the bottom of the placing cavity, a fixing hole penetrating through the bottom surface of the lower base is formed in the bottom surface of the ventilation cavity, a vent hole from a pipeline to the side wall of the lower base is formed in the side wall of the ventilation cavity, first thread fastening holes are uniformly formed in the circumference of the top surface of the lower base, the centering sheath is placed in the placing cavity, the inner cavity of the centering sheath is in an inverted circular table shape, an annular lapping table is further arranged at the bottom of the inner cavity of the centering sheath, the centering sheath and the annular lapping table are integrally cast and formed, the pressing plate is in an annular structure, first counter bores arranged in pairs with the first thread fastening holes are arranged on the pressing plate, the first counter bores and the first thread fastening, the inner circle diameter of closing plate is less than the diameter of placing the chamber, and the closing plate is with the position fixing of centering sheath, the upper cover is the open cylindrical cavity structure in bottom, and the roof lower surface of upper cover is the bowl shape of back-off, and the roof center of upper cover is equipped with annotates fat union coupling interface, and it evenly is equipped with the second counter bore to go back the circumference on the roof of upper cover, annotate the fat head and set up in the inner chamber of upper cover, and the roof of annotating the fat head is equipped with the second screw fastening hole that sets up in pairs with the second counter bore, and mated second screw fastening hole and second counter bore pass through counter bore screw rigid coupling, annotate the overhead circumference of fat and evenly be equipped with notes fat hole, and the lower surface of annotating the.

2. The truck hub bearing grease injection tool according to claim 1, characterized in that: the sealing plate is a crystal plate.

3. The truck hub bearing grease injection tool according to claim 1, characterized in that: an annular rubber sealing ring is placed on the abutment.

4. The truck hub bearing grease injection tool according to claim 1, characterized in that: the centering sheath is made of nylon.

5. The truck hub bearing grease injection tool according to claim 1, characterized in that: and a rubber sealing gasket is arranged between the grease injection head and the upper cover.

6. The truck hub bearing grease injection tool according to claim 1, characterized in that: and the lower base, the upper cover and the grease injection head are subjected to tempering HRC30-35, and the surfaces of the lower base, the upper cover and the grease injection head are blackened.