阅读说明：本技术 一种油封安装工装 (Oil seal installation tool ) 是由 李磊 魏玉珍 吕小科 于 2020-12-21 设计创作，主要内容包括：本发明提供了一种油封安装工装,其使得油封平稳压装且安装到位,且油封压入深度可调节,可满足不同电机的油封安装要求,工装简单,操作方便,具有通用性。定位块具体包括前部定位导向套、后部导向套,前部定位导向套仿形套装于端盖的凸起定位圆环,后部导向套的中心设置有圆柱导向孔,导套包括前部插装导向套筒、后部定位圆盘,前部插装导向套筒插装于圆柱导向孔后形成油封放置环腔,后部定位圆盘的中心设置有调节螺纹孔,后部定位圆盘的径向中部环区域设置有一圈环布的厚度方向贯穿导向贯穿孔,调节块的若干环布的导向柱分别套装有弹簧插装于对应的导向贯穿孔布置,调节块的中心设置有插装定位孔。(The invention provides an oil seal installation tool, which enables an oil seal to be stably pressed and installed in place, can adjust the pressing depth of the oil seal, can meet the installation requirements of oil seals of different motors, and is simple in tool, convenient to operate and universal. The locating piece specifically includes anterior location uide bushing, the rear portion uide bushing, anterior location uide bushing profile modeling suit is in the protruding location ring of end cover, the center of rear portion uide bushing is provided with the cylinder guiding hole, the guide pin bushing includes anterior cartridge uide bushing, the rear portion location disc, anterior cartridge uide bushing cartridge forms the oil blanket behind the cylinder guiding hole and places the ring chamber, the center of rear portion location disc is provided with the regulation screw hole, the radial middle part ring region of rear portion location disc is provided with the thickness direction through guide through hole of round ring cloth, the guide post of a plurality of ring cloths of regulating block is overlapped respectively and is equipped with the spring cartridge and arranges in the guide through hole that corresponds, the center of regulating block is.)

1. The utility model provides an oil blanket installation frock which characterized in that: the positioning block specifically comprises a front positioning guide sleeve and a rear guide sleeve, the front positioning guide sleeve is sleeved on a raised positioning ring of an end cover in a profiling mode, a cylindrical guide hole is formed in the center of the rear guide sleeve, the guide sleeve comprises a front insertion guide sleeve and a rear positioning disc, the front insertion guide sleeve is inserted in an oil seal placing ring cavity formed behind the cylindrical guide hole, an adjusting threaded hole is formed in the center of the rear positioning disc, a guide through hole is formed in the radial middle ring area of the rear positioning disc in a penetrating mode in the thickness direction of a circle of ring cloth, guide columns of a plurality of ring cloth of the adjusting block are respectively sleeved with springs and are arranged in corresponding guide through holes in an insertion mode, an insertion positioning hole is formed in the center of the adjusting block, and the rotating handle comprises a central handle, The double-screw bolt, the double-screw bolt preceding protruding in the front end of central handle, the double-screw bolt runs through behind the cartridge locating hole screw thread cartridge in adjust the screw hole, the front surface of central handle is hugged closely the rear end face of regulating block arranges, the pressure head includes guide sleeve, application of force dish, guide sleeve's preceding terminal surface pressure equipment in the radial outer end terminal surface of rear portion location disc, the application of force dish is used for exerting pressure, it still includes the limit structure that axial positioning used, limit structure cartridge in the axial locating hole that corresponds on rear portion uide bushing, the anterior cartridge uide bushing.

2. The oil seal installation tool of claim 1, wherein: the limiting structure is a T-shaped pin, the T-shaped pin is inserted into the corresponding axial positioning holes in the rear guide sleeve and the front insertion guide sleeve and at the axial positions of the locking guide sleeve under the condition that the pressure head is not applied with force, and the T-shaped pin is pulled out before the pressure head is applied with force.

3. The oil seal installation tool of claim 1, wherein: and a raised force application block is arranged at the central position of the rear end of the force application disc of the pressure head.

4. The oil seal installation tool of claim 1, wherein: the inner wall of the rear guide sleeve of the positioning block is provided with at least one key hole which is arranged in the axial direction, the outer annular wall of the front insertion guide sleeve is provided with a raised key corresponding to the key hole, and the raised key is arranged in the key hole in an insertion manner.

Technical Field

The invention relates to the technical field of motor oil seal installation, in particular to an oil seal installation tool.

Background

In the prior art, the mounting mode of the oil seal on the motor adopts a rubber hammer to directly beat and press the oil seal into the mounting hole of the end cover, and the deformation of the oil seal, the pressure bias inclination or the crushing of the oil seal caused by beating the head often occur.

Disclosure of Invention

Aiming at the problems, the invention provides an oil seal installation tool which enables an oil seal to be stably pressed and installed in place, can adjust the pressing depth of the oil seal, can meet the oil seal installation requirements of different motors, and is simple in tool, convenient to operate and universal.

The utility model provides an oil blanket installation frock which characterized in that: the positioning block specifically comprises a front positioning guide sleeve and a rear guide sleeve, the front positioning guide sleeve is sleeved on a raised positioning ring of an end cover in a profiling mode, a cylindrical guide hole is formed in the center of the rear guide sleeve, the guide sleeve comprises a front insertion guide sleeve and a rear positioning disc, the front insertion guide sleeve is inserted in an oil seal placing ring cavity formed behind the cylindrical guide hole, an adjusting threaded hole is formed in the center of the rear positioning disc, a guide through hole is formed in the radial middle ring area of the rear positioning disc in a penetrating mode in the thickness direction of a circle of ring cloth, guide columns of a plurality of ring cloth of the adjusting block are respectively sleeved with springs and are arranged in corresponding guide through holes in an insertion mode, an insertion positioning hole is formed in the center of the adjusting block, and the rotating handle comprises a central handle, The double-screw bolt, the double-screw bolt preceding protruding in the front end of central handle, the double-screw bolt runs through behind the cartridge locating hole screw thread cartridge in adjust the screw hole, the front surface of central handle is hugged closely the rear end face of regulating block arranges, the pressure head includes guide sleeve, application of force dish, guide sleeve's preceding terminal surface pressure equipment in the radial outer end terminal surface of rear portion location disc, the application of force dish is used for exerting pressure, it still includes the limit structure that axial positioning used, limit structure cartridge in the axial locating hole that corresponds on rear portion uide bushing, the anterior cartridge uide bushing.

It is further characterized in that:

the limiting structure is a T-shaped pin, the T-shaped pin is inserted into the rear guide sleeve and the axial position of the corresponding axial positioning hole and locking guide sleeve on the front inserted guide sleeve under the condition that the pressure head does not apply force, and the T-shaped pin is pulled out before the pressure head applies force, so that the pressure head can apply force and press;

a raised force application block is arranged at the central position of the rear end of the force application disc of the pressure head and is convenient for force application;

the inner wall of the rear guide sleeve of the positioning block is provided with at least one key hole which is axially arranged, the outer annular wall of the front insertion guide sleeve is provided with a raised key corresponding to the key hole, and the raised key is inserted and arranged in the key hole, so that accurate and reliable alignment of the axial positioning hole is ensured.

The use method of the oil seal installation tool is characterized in that: before the oil seal is installed, a plurality of guide posts distributed around the adjusting block are respectively sleeved with springs and inserted in corresponding guide through holes for arrangement, then studs penetrate through the insertion positioning holes and are inserted in the adjusting threaded holes in a threaded manner, the front surface of the central handle is tightly attached to the rear end face of the adjusting block, then a front insertion guide sleeve of a guide sleeve is inserted in the cylindrical guide hole to form an oil seal placing annular cavity, meanwhile, a limiting structure is inserted in the corresponding axial positioning holes in the rear guide sleeve and the front insertion guide sleeve, then the distance L0 between the bottom end face of the oil seal installation hole in the motor end cover and the front end face of the front insertion guide sleeve is measured, the oil seal placing annular cavity is formed, the rear end face of the oil seal is attached to the front end face of the front insertion guide sleeve, the tooling is required to transversely or vertically place the oil seal positioning block and cannot naturally fall off, and then the front positioning guide sleeve of the end cover is, then adjusting the screw-in depth of a stud of the rotary handle to ensure that the distance between the front end face of the guide column and the rear end face of the positioning block is L, L is a difference formed by subtracting the thickness of the oil seal from L0, then taking out the limiting structure, then installing a pressure head on a rear positioning disc of the guide sleeve, then applying thrust or pressure at the position of the convex force application block, at the moment, the guide sleeve can push the oil seal to be pressed into an installation hole on the end cover of the motor, and when the front end face of the guide column and the rear end face of the positioning block are superposed, namely when L is 0, the oil seal is pressed in place; and after the oil seal is installed, the tool is taken down.

After the oil seal pressing device is adopted, the compression amount of the spring can be adjusted by utilizing the knob handle, so that the pressing-in depth of the oil seal is controlled, the oil seal mounting requirements of different motors can be met, the universality is realized, the centering positioning is realized among the positioning block, the guide sleeve and the adjusting block, the centering degree of the oil seal and a shaft can be ensured, and the oil seal can be smoothly pressed into an end cover mounting hole along the shaft; the oil seal can be stably pressed and installed in place, and the oil seal cannot be crushed due to over-head pressing; the pressing depth of the oil seal can be adjusted and controlled, the installation requirements of the oil seals of motors with different specifications can be met, and the universal oil seal device has universality.

Drawings

FIG. 1 is a schematic sectional view of the oil seal of the present invention;

FIG. 2 is a front view structural schematic diagram of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

a positioning block 1, a front positioning guide sleeve 11, a rear guide sleeve 12, a cylindrical guide hole 13, a key hole 14,

The guide sleeve 2, the front insertion guide sleeve 21, the rear positioning disc 22, the convex key 23, the oil seal placing annular cavity 24, the adjusting threaded hole 25, the guide through hole 26, the adjusting block 3, the guide column 31, the insertion positioning hole 32, the spring 4, the rotating handle 5, the central handle 51, the stud 52, the pressure head 6, the guide sleeve 61, the force application disc 62, the convex force application block 63, the end cover 7, the convex positioning annular ring 71, the limiting structure 8 and the oil seal 9.

Detailed Description

An oil seal installation tool is shown in figures 1-2: the device comprises a positioning block 1, a guide sleeve 2, an adjusting block 3, a spring 4, a rotating handle 5 and a pressure head 6, wherein the positioning block 1 specifically comprises a front positioning guide sleeve 11 and a rear positioning guide sleeve 12, the front positioning guide sleeve 11 is sleeved on a raised positioning ring 71 of an end cover 7 in a profiling mode, a cylindrical guide hole 13 is formed in the center of the rear positioning guide sleeve 12, the guide sleeve 2 comprises a front insertion guide sleeve 21 and a rear positioning disc 22, the front insertion guide sleeve 21 is inserted into the cylindrical guide hole 13 to form an oil seal placing ring cavity 24, an adjusting threaded hole 25 is formed in the center of the rear positioning disc 22, a circle of ring cloth penetrates through a guide through hole 26 in the thickness direction in the radial middle ring area of the rear positioning disc 22, the guide columns 31 of a plurality of ring cloth of the adjusting block 3 are respectively sleeved with springs 4 and are arranged in the corresponding guide through holes 26, and an insertion, the rotary handle 5 comprises a central handle 51 and a stud 52, the front end of the stud 52 protrudes out of the front end of the central handle 51, the stud 52 penetrates through the inserting positioning hole 32 and then is inserted into the adjusting threaded hole 25 in a threaded manner, the front surface of the central handle 51 is tightly attached to the rear end face of the adjusting block 3, the pressure head 6 comprises a guide sleeve 61 and a force application disc 62, the front end face of the guide sleeve 61 is pressed on the end face of the radial outer end of the rear positioning disc 22, the force application disc 62 is used for applying pressure, the rotary handle further comprises a limiting structure 8 for axial positioning, and the limiting structure 8 is inserted into corresponding axial positioning holes in the rear guide sleeve 12 and the front inserting guide sleeve 21.

The limiting structure 8 is a T-shaped pin, the T-shaped pin is inserted into the corresponding axial positioning holes on the rear guide sleeve 12 and the front insertion guide sleeve 21 and the axial position of the locking guide sleeve 2 when the pressure head is in a non-force-applying state, the T-shaped pin is pulled out before the pressure head is in a force-applying state, and the pressure head 6 can be subjected to force-applying pressure;

a convex force application block 63 is arranged at the center of the rear end of the force application disc 62 of the pressure head 6, and the convex force application block 63 is convenient for force application;

at least one key hole 14 which is axially arranged is arranged on the inner wall of the rear guide sleeve 12 of the positioning block 1, a raised key 23 corresponding to the key hole is arranged on the outer annular wall of the front insertion guide sleeve 21, and the raised key 23 is inserted into and arranged in the key hole 14, so that accurate and reliable alignment of the axially-positioned hole is ensured.

A use method of an oil seal installation tool is shown in figures 1 and 2: before the oil seal is installed, a plurality of guide posts distributed around the adjusting block are respectively sleeved with springs and inserted in corresponding guide through holes for arrangement, then studs penetrate through the inserted positioning holes and are inserted in adjusting threaded holes in a threaded manner, the front surface of the central handle is arranged in a manner of being tightly attached to the rear end face of the adjusting block, then a front inserted guide sleeve of the guide sleeve is inserted in a cylindrical guide hole to form an oil seal placing annular cavity, meanwhile, a limiting structure is inserted in a corresponding axial positioning hole in a rear guide sleeve and the front inserted guide sleeve, then, the distance L0 between the bottom end face of an oil seal installation hole in a motor end cover and the front end face of the front inserted guide sleeve is measured, the oil seal placing annular cavity is formed, the rear end face of the oil seal is attached to the front end face of the front inserted guide sleeve, the tooling is required to transversely or vertically place the oil seal and cannot naturally fall off, and then, then adjusting the screw-in depth of a stud of the rotary handle to ensure that the distance between the front end face of the guide column and the rear end face of the positioning block is L, L is a difference formed by subtracting the thickness of the oil seal from L0, then taking out the limiting structure, then installing a pressure head on a rear positioning disc of the guide sleeve, then applying thrust or pressure at the position of the convex force application block, at the moment, the guide sleeve can push the oil seal to be pressed into an installation hole on the end cover of the motor, and when the front end face of the guide column and the rear end face of the positioning block are superposed, namely when L is 0, the oil seal is pressed in place; and after the oil seal is installed, the tool is taken down.

The working principle is that the compression amount of a spring can be adjusted by using a knob handle, so that the pressing-in depth of an oil seal is controlled, the oil seal mounting requirements of different motors can be met, the universality is realized, the centering positioning is realized among a positioning block, a guide sleeve and an adjusting block, the centering degree of the oil seal and a shaft can be ensured, and the oil seal can be smoothly pressed into an end cover mounting hole along the shaft; the oil seal can be stably pressed and installed in place, and the oil seal cannot be crushed due to over-head pressing; the pressing depth of the oil seal can be adjusted and controlled, the installation requirements of the oil seals of motors with different specifications can be met, and the universal oil seal device has universality.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.