CN213918022U - Manual press fitting tool for half shaft oil seal - Google Patents
Manual press fitting tool for half shaft oil seal Download PDFInfo
- Publication number
- CN213918022U CN213918022U CN202022330688.3U CN202022330688U CN213918022U CN 213918022 U CN213918022 U CN 213918022U CN 202022330688 U CN202022330688 U CN 202022330688U CN 213918022 U CN213918022 U CN 213918022U
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- oil seal
- main body
- fitting tool
- shaft oil
- half shaft
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model provides a manual pressure equipment frock of semi-axis oil blanket, including cylindric main part, the head of main part is equipped with cylindric oil blanket cup joint portion, the afterbody of main part is equipped with the atress portion, and the semi-axis oil blanket can overlap in the oil blanket cup joint portion, the tip of atress portion can be when receiving external force with the oil blanket cup joint portion impress in the flange head hole of the corresponding flange head; the periphery of the main body part is provided with a circular protruding part, the main body part and the oil seal sealing part form a secondary step, and a first step surface and a second step surface of the secondary step can be matched with the inner wall of the step of the flange head hole. The manual press fitting tool for the half shaft oil seal is simple in structure, can be manufactured in a workshop, shortens the manufacturing period, and can meet the small-batch requirements of new product production or research and development.
Description
Technical Field
The utility model relates to a semi-axis oil blanket technical field of rear axle, concretely relates to manual pressure equipment frock of semi-axis oil blanket.
Background
In the prior art, an automatic press-mounting machine is usually used for assembling a half-shaft oil seal of a rear axle, but when a small-scale new product rear axle is produced or a new product rear axle is developed, the size of a pressure head of the automatic press-mounting machine is often different from that of the half-shaft oil seal of the new product rear axle, so that the pressure head needs to be customized again according to the size of the oil seal of the new product rear axle, the manufacturing period of the new pressure head is long, and the production or the development of the new product pressure head can not be completed on time.
Therefore, how to provide a half-axle oil seal press-fitting tool with a short manufacturing period can ensure that a new product rear axle completes production or research and development tasks on time, which is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a half axle oil blanket pressure equipment frock that preparation cycle is shorter can guarantee that new product rear axle accomplishes production or research and development task on time.
In order to solve the technical problem, the utility model provides a manual press fitting tool for a half shaft oil seal, which comprises a cylindrical main body part, wherein the head part of the main body part is provided with a cylindrical oil seal sleeve part, the tail part of the main body part is provided with a stress part, the half shaft oil seal can be sleeved outside the oil seal sleeve part, and the end part of the stress part can press the oil seal sleeve part into a flange head hole of a corresponding rear axle when being subjected to external force; the periphery of the main body part is provided with a circular protruding part, the main body part and the oil seal sealing part form a secondary step, and a first step surface and a second step surface of the secondary step can be matched with the inner wall of the step of the flange head hole.
After the structure is adopted, when the half-shaft oil seal is assembled on a new product rear axle, the half-shaft oil seal sleeve is firstly inserted into the oil seal sleeve joint part, then the manual press-fitting tool for the half-shaft oil seal is inserted into the flange head hole of the corresponding rear axle, the end part of the stress part is knocked by the tool until the second-level step is abutted against the inner wall of the step, the oil seal sleeve joint part is pressed in place, and then the manual press-fitting tool for the half-shaft oil seal is taken down. The manual press fitting tool for the half shaft oil seal is simple in structure, can be manufactured in a workshop, shortens the manufacturing period, and can meet the small-batch requirements of new product production or research and development.
Optionally, the electric tool further comprises a holding part, and the holding part is arranged between the tail part of the main body part and the force-bearing part.
Optionally, the radial dimension of the holding portion is smaller than that of the main body portion and the force-receiving portion, and the holding portion is in smooth transition connection with both the tail portion of the main body portion and the force-receiving portion.
Optionally, the force receiving portion is cylindrical.
Optionally, the holding portion, the force receiving portion, the main body portion, the protruding portion, and the oil seal sleeving portion are of an integrated structure.
Optionally, the outer circumference of the grip portion is an inwardly concave arc.
Drawings
FIG. 1 is a schematic structural view of a manual press-fitting tool for a half-shaft oil seal provided by the present invention;
FIG. 2 is a schematic cross-sectional structural view of the flange head location;
FIG. 3 is a front view of the manual press-fitting tool for the half-shaft oil seal in FIG. 1.
The reference numerals in fig. 1-2 are illustrated as follows:
the oil seal comprises an oil seal sleeve joint part 1, a main body part 2, a 21 protruding part, a 22 first step surface, a 23 second step surface, a 3 holding part, a 4 stressed part, a 5 step inner wall, a 51 first step surface, a 52 second step surface, a 6 flange head, a 61 flange head hole and a 7 half shaft oil seal.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-2, fig. 1 is a schematic structural view of a manual press-fitting tool for a half-shaft oil seal provided by the present invention; FIG. 2 is a schematic cross-sectional structural view of the flange head location; FIG. 3 is a front view of the manual press-fitting tool for the half-shaft oil seal in FIG. 1.
The utility model provides a manual pressure equipment frock of semi-axis oil blanket, including cylindric main part 2, the head of main part 2 is equipped with cylindric oil blanket cup joint portion 1, and the afterbody of main part 2 is equipped with atress portion 4, and semi-axis oil blanket 7 can overlap in oil blanket cup joint portion 1, and the tip of atress portion 4 can be when receiving external force with oil blanket cup joint portion 1 impress in the flange head hole 61 of corresponding flange head 6; the periphery of the main body part 2 is provided with a circular protruding part 21, and the diameters of the protruding part 21, the main body part 2 and the oil seal sleeve joint part 1 are sequentially reduced, so that a secondary step is formed, and the secondary step forms a first step surface 22 and a second step surface 23.
As shown in fig. 2, the flange head 6 of the rear axle has a flange head hole 61, and the inner wall of the flange head hole 61 is a two-step inner wall 5, forming a first step surface 51 and a second step surface 52, which are correspondingly matched with the first step surface 22 and the second step surface 23, respectively.
After the structure is adopted, as shown in fig. 1, when the half shaft oil seal 7 is assembled on a new product rear axle, the half shaft oil seal 7 is firstly sleeved into the oil seal sleeve-connecting part 1, then the manual press-fitting tool for the half shaft oil seal is horizontally inserted into the corresponding flange head hole 61 of the rear axle, the tool is used for knocking the end part of the stress part 4, the end part refers to the end far away from the main body part 2, the oil seal sleeve-connecting part 1 is pressed into the flange head hole 61, and after the end part is pressed to a certain depth, please refer to fig. 2, the first step surface 22 and the second step surface 23 in the second step of the manual press-fitting tool for the half shaft oil seal can be abutted against the first step surface 51 and the second step surface 52 of the flange head hole 61, meanwhile, the half shaft oil seal 7 is assembled in place, and then the manual press-fitting tool for the half shaft oil seal is only needed to be taken out from the flange head hole 61.
In conclusion, the manual press-fitting tool for the half shaft oil seal is convenient to use and simple in structure, can be manufactured in a workshop by self without outsourcing manufacture, shortens the manufacturing period, and can meet the small-batch requirements of new product production or research and development in time.
Referring to fig. 1, the manual press-fitting tool for the half-shaft oil seal further comprises a holding part 3, and the holding part 3 is arranged between the tail part of the main body part 2 and the force-bearing part 4. When assembling the half shaft oil seal 7, an operator can hold the holding part 3 by hand and knock the force receiving part 4 with a tool to perform installation operation, which is very convenient. In practical applications, the holding portion 3 may be disposed at other positions, or the holding portion 3 is not disposed, and these solutions are all within the protection scope of the present invention.
Further, the radial dimension of holding portion 3 is less than main part 2 and atress portion 4, so the operating personnel of being convenient for reliably control, and the afterbody and the atress portion 4 of holding portion 3 and main part 2 are smooth transition and are connected, as shown in fig. 3, the periphery of holding portion 3 is the arc of indent, realizes the arc smooth transition, can promote like this and control security and travelling comfort, and dispersible atress, stress concentration when avoiding the instrument to beat, extension frock life. Of course, in practical applications, the transition between the grip portion 3 and the tail portion and the force receiving portion 4 of the main body portion 2 may not be smooth.
As shown in fig. 1, the force receiving portion 4 has a disk shape. The disc is preferably arranged coaxially with the main body 2 and the oil-tight sealing 1 to prevent a large bending moment from being applied to the disc when a force is applied. In practical application, the force-receiving portion 4 may also be configured in other shapes, such as a square shape, an oval shape, etc., as long as the force can be conveniently applied by striking with a tool.
Referring to fig. 1, the oil sealing portion 1, the main body portion 2, the protrusion portion 21, the holding portion 3, and the force receiving portion 4 are integrally formed. Because this integral type structure is comparatively simple, need not to divide into splicing again after spare part is produced alone, can directly produce integrated into one piece by the lathe, shortened manufacturing cycle, structural reliability is higher moreover. It can be understood by referring to fig. 3 that when the manual press-fitting tool for the axle shaft oil seal is of an integrated structure, an annular groove can be machined at one end of the cylinder, the cross section of the annular groove is arc-shaped, the stressed portion 4 is formed at one side of the annular groove, and the main body portion 2 is arranged at the other side of the annular groove.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a manual pressure equipment frock of semi-axis oil blanket which characterized in that: the flange joint structure comprises a cylindrical main body part (2), wherein the head part of the main body part (2) is provided with a cylindrical oil seal sleeve joint part (1), the tail part of the main body part (2) is provided with a stress part (4), a half shaft oil seal (7) can be sleeved outside the oil seal sleeve joint part (1), and the end part of the stress part (4) can press the oil seal sleeve joint part (1) into a flange head hole (61) of a corresponding flange head (6) when an external force is applied; the periphery of main part (2) is equipped with annular protruding portion (21), protruding portion (21) main part (2) oil blanket cup joints portion (1) and forms the second grade step, the first step face (22), the second step face (23) of second grade step can with ladder inner wall (5) phase-match in flange head hole (61).
2. The manual press-fitting tool for the half shaft oil seal according to claim 1, characterized in that: the portable electric tool is characterized by further comprising a holding part (3), wherein the holding part (3) is arranged between the tail part of the main body part (2) and the stressed part (4).
3. The manual press-fitting tool for the half shaft oil seal according to claim 2, characterized in that: the radial size of the holding part (3) is smaller than that of the main body part (2) and the stress part (4), and the holding part (3) is connected with the tail part of the main body part (2) and the stress part (4) in a smooth transition mode.
4. The manual press-fitting tool for the half shaft oil seal according to claim 2, characterized in that: the force receiving part (4) is disc-shaped.
5. The manual press-fitting tool for the half shaft oil seal according to claim 2, characterized in that: the holding part (3), the stress part (4), the main body part (2), the protruding part (21) and the oil seal sleeve joint part (1) are of an integrated structure.
6. The manual press-fitting tool for the half-shaft oil seal according to any one of claims 2 to 5, characterized in that: the periphery of the holding part (3) is in an inwards concave arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330688.3U CN213918022U (en) | 2020-10-19 | 2020-10-19 | Manual press fitting tool for half shaft oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330688.3U CN213918022U (en) | 2020-10-19 | 2020-10-19 | Manual press fitting tool for half shaft oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213918022U true CN213918022U (en) | 2021-08-10 |
Family
ID=77162981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022330688.3U Active CN213918022U (en) | 2020-10-19 | 2020-10-19 | Manual press fitting tool for half shaft oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213918022U (en) |
-
2020
- 2020-10-19 CN CN202022330688.3U patent/CN213918022U/en active Active
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