CN114147459A - Press mounting tool for rear oil seal of engine crankshaft - Google Patents
Press mounting tool for rear oil seal of engine crankshaft Download PDFInfo
- Publication number
- CN114147459A CN114147459A CN202111547144.5A CN202111547144A CN114147459A CN 114147459 A CN114147459 A CN 114147459A CN 202111547144 A CN202111547144 A CN 202111547144A CN 114147459 A CN114147459 A CN 114147459A
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- press
- sleeve
- oil seal
- fitting
- rear oil
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- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses a press mounting tool for a rear oil seal of an engine crankshaft, which comprises a crankshaft, a rear oil seal, a press mounting seat, a press mounting screw rod, a press sleeve, a first threaded sleeve and a second threaded sleeve. The rear oil seal sleeve is arranged on the outer side wall of the crankshaft, a groove is formed in the middle of one end of the crankshaft, a flange matched with the groove is arranged at one end of the press mounting seat, a first embedded groove is formed in the other end of the press mounting seat, and the first thread sleeve is fixed in the first embedded groove through a bolt. A second embedded groove is formed in the outer end face of the pressing sleeve, and the second threaded sleeve is fixed in the second embedded groove through a bolt; the center of the first threaded sleeve and the center of the second threaded sleeve are respectively provided with a first threaded hole and a second threaded hole, the pressing sleeve is provided with a through hole communicated with the first threaded hole and the second threaded hole, and the pressing screw rod sequentially penetrates through the second threaded hole, the through hole and the first threaded hole. The press-fitting tool for the rear oil seal of the engine crankshaft, disclosed by the invention, is accurate in positioning, reliable in guiding and high in press-fitting efficiency.
Description
Technical Field
The invention relates to the field of automobile engine parts, in particular to a press-fitting tool for a rear oil seal of an engine crankshaft.
Background
The rear oil seal of the engine crankshaft needs to be directly pressed into the rear end of the crankshaft, and the traditional assembly method has complex structure and high investment by adopting automatic equipment; or carry out artifical pressure equipment through instruments such as location leading truck, pressure head and hand hammer, though simple structure, the manual operation step is many, not only is not good to the positivity, causes the unstability of oil blanket pressure equipment quality, and the operator needs higher operating skill to be competent in addition, wastes manual work and time cost.
Therefore, how to provide an effective and rapid press-fitting tool for the rear oil seal of the engine becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a press mounting tool for a rear oil seal of an engine crankshaft, which can accurately position, reliably compress, stably guide and ensure the press mounting depth, and the press mounting speed can be increased by 1 time under the condition that a press mounting screw rod rotates at the same speed.
According to a first aspect of the invention, a press-fitting tool for a rear oil seal of an engine crankshaft is provided, which comprises a crankshaft, a rear oil seal, a press-fitting seat, a press-fitting screw rod, a press sleeve, a first thread sleeve and a second thread sleeve;
the rear oil seal sleeve is arranged on the outer side wall of the crankshaft, a groove is formed in the middle of one end of the crankshaft, a flange matched with the groove is arranged at one end of the press-fitting seat and is embedded into the groove, a first embedded groove is formed in the other end of the press-fitting seat, and the first threaded sleeve is fixed in the first embedded groove through a bolt; the pressing sleeve wraps the first threaded sleeve and the pressing seat, and the side wall of the pressing sleeve can slide along the side wall of the pressing seat and the side wall of the crankshaft, so that the pressing sleeve presses the rear oil seal;
a second embedded groove is formed in the outer end face of the pressing sleeve, and the second threaded sleeve is fixed in the second embedded groove through a bolt; the center of the first threaded sleeve and the center of the second threaded sleeve are respectively provided with a first threaded hole and a second threaded hole, the pressing sleeve is provided with a through hole for communicating the first threaded hole with the second threaded hole, and the pressing screw rod sequentially penetrates through the second threaded hole, the through hole and the first threaded hole; the end face of the pressing sleeve is also provided with two fixing screws penetrating through the pressing sleeve and the pressing seat, the crankshaft and the pressing seat are fixedly connected by the fixing screws, and the pressing sleeve can slide along the fixing screws; when the press-fitting screw rod rotates, the second threaded sleeve drives the press sleeve to move towards the rear oil seal and realize a press-fitting process, and when the end face of the inner side of the press sleeve is in contact with the first threaded sleeve, the rear oil seal is pressed and fitted in place.
Optionally, according to the press fitting tool for the rear oil seal of the engine crankshaft, the press fitting seat is of a cylindrical structure, the first embedded groove is formed in the center of the press fitting seat, and the side wall of the press fitting seat extends towards the direction of the pressing sleeve; the left side and the right side of the first embedded groove are respectively provided with a first connecting hole;
the first connecting hole is composed of two sections of large through holes and small through holes which are different in diameter and are concentric, the small through holes correspond to the crankshaft, the large through holes face the pressing sleeve, thread sections with reduced diameters are arranged at the end portions of the fixing screws, and the thread sections penetrate through the small through holes and are in threaded connection with the crankshaft, so that the fixing screws fixedly connect the pressing seat with the crankshaft.
Optionally, according to the press fitting tool for the rear oil seal of the engine crankshaft, the side wall of the press fitting seat is further provided with a groove communicated with the large through hole, so that the side wall of the fixing screw rod overflows the side wall of the press fitting seat and is in contact with the inner side wall of the press sleeve.
Optionally, according to the press fitting tool for the rear oil seal of the engine crankshaft, an annular groove is further formed in the side wall of the fixing screw, a rubber ring is arranged in the annular groove, and the rubber ring is in elastic contact with the inner side wall of the pressing sleeve.
Optionally, according to the press-fitting tool for the oil seal behind the engine crankshaft, the first threaded sleeve is of a cylindrical structure, and the diameter of the first threaded sleeve is smaller than or equal to that of the first embedded groove; the side wall of the first threaded sleeve is also provided with a first limiting plate, four edges of the first limiting plate are composed of two symmetrical arc edges and two parallel straight edges, the two arc edges are attached to the extending inner side wall of the press mounting seat, and the two straight edges respectively face the side walls of the two fixing screws; the first limiting plate is connected with the end face of the press fitting seat through at least two bolts.
Optionally, according to the press-fitting tool for the oil seal behind the engine crankshaft, the second threaded sleeve is of a cylindrical structure, and the diameter of the second threaded sleeve is smaller than or equal to that of the second embedded groove; the side wall of the second threaded sleeve is also provided with a second limiting plate, and four sides of the second limiting plate are composed of two symmetrical arc sides and two parallel straight sides;
the end face of the pressing sleeve is further provided with a limiting groove, the second embedded groove is arranged in the limiting groove, the shape of the limiting groove is the same as that of the second limiting plate, and the second limiting plate is connected with the limiting groove through at least two bolts.
Optionally, according to the press fitting tool for the engine crankshaft rear oil, the depth of the second thread bush in the second embedded groove is smaller than the thickness of the second embedded groove.
Optionally, according to the press-fitting tool for the oil seal behind the engine crankshaft, two straight edges of the second limiting plate and the limiting groove correspond to the side walls of the fixing screw.
Optionally, according to the press-fitting tool for the rear oil seal of the engine crankshaft, the press-fitting screw rod is composed of a large screw rod and a small screw rod, the thread turning directions of the first threaded hole and the second threaded hole are opposite, the large screw rod is matched with the second threaded hole, and the small screw rod is matched with the first threaded hole.
Optionally, according to the press fitting tool for the engine crankshaft rear oil seal, a lifting ring is further arranged on the outer side wall of the pressing sleeve.
The press-fitting tool for the rear oil seal of the engine crankshaft, disclosed by the invention, is accurate in positioning, reliable in guiding and high in press-fitting efficiency. It is fixed with the pressure equipment seat through first thread bush, the second thread bush is fixed with the pressure cover, it stretches into to drive the pressure equipment screw rod through first thread bush, the initial nut contact with the pressure equipment screw rod of just of second thread bush, therefore, the continuation of pressure equipment screw rod stretches into, will drive second thread bush and press the direction removal of cover orientation back oil blanket, the lateral wall through the pressure equipment seat is to pressing the cover and carrying out effective direction, make the pressure cover can slide along the lateral wall of pressure equipment seat, thereby the pressure equipment of pressure cover to back oil blanket has been guaranteed, and the pressure equipment screw rod is opposite with the screw thread precession direction of first thread bush and second thread bush, thereby when making the pressure equipment screw rod rotate, second thread bush can move with first thread bush in opposite directions, thereby the propulsion speed of pressing the cover has been accelerated, the pressure equipment efficiency of back oil blanket has been promoted.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural diagram of a press-fitting tool for a rear oil seal of an engine crankshaft according to the present invention;
fig. 2 is a schematic structural view of the press-fitting seat disclosed by the invention;
FIG. 3 is a schematic structural view of a first thread bushing disclosed in the present invention;
FIG. 4 is a schematic structural view of the press sleeve disclosed in the present invention;
fig. 5 is a schematic structural diagram of a second thread bushing disclosed in the present invention.
Description of reference numerals: 1-a crankshaft; 2-rear oil sealing; 3, pressing a sleeve; 31-a limiting groove; 32-a second embedded groove; 4-press mounting a base; 41-a flange; 42-a first embedded groove; 43-large through hole; 44-small through holes; 45-slotting; 5-fixing the screw rod; 51-a threaded segment; 6-a first threaded sleeve; 61-a first threaded hole; 62-a first limiting plate; 7-rubber ring; 8-a second thread bush; 81-a second threaded hole; 82-a second limiting plate; 9-pressing a screw rod; 91-large screw; 92-small screw; 10-a hanging ring.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 to 5, the invention provides a press-fitting tool for a rear oil seal of an engine crankshaft, which comprises a crankshaft 1, a rear oil seal 2, a press-fitting seat 4, a press-fitting screw 9, a press sleeve 3, a first threaded sleeve 6 and a second threaded sleeve 8.
The rear oil seal 2 is sleeved on the outer side wall of the crankshaft 1, a groove is formed in the middle of one end of the crankshaft 1, a flange 41 matched with the groove is arranged at one end of the press-fitting seat 4, the flange 41 is embedded into the groove, a first embedded groove 42 is formed in the other end of the press-fitting seat 4, and the first threaded sleeve 6 is fixed in the first embedded groove 42 through a bolt; the pressing sleeve 3 wraps the first threaded sleeve 6 and the pressing seat 4, and the side wall of the pressing sleeve 3 can slide along the side wall of the pressing seat 4 and the side wall of the crankshaft 1, so that the pressing sleeve 3 presses the rear oil seal 2.
A second embedded groove 32 is formed in the outer end face of the pressing sleeve 3, and the second thread sleeve 8 is fixed in the second embedded groove 32 through a bolt; the centers of the first threaded sleeve 6 and the second threaded sleeve 8 are respectively provided with a first threaded hole 61 and a second threaded hole 81, the pressing sleeve 3 is provided with a through hole communicated with the first threaded hole 61 and the second threaded hole 81, and the pressing screw 9 sequentially penetrates through the second threaded hole 81, the through hole and the first threaded hole 61; the end face of the pressing sleeve 3 is also provided with two fixing screws 5 penetrating through the pressing sleeve 3 and the pressing seat 4, the crankshaft 1 and the pressing seat 4 are fixedly connected through the fixing screws 5, and the pressing sleeve 3 can slide along the fixing screws 5; when the press-fitting screw rod 9 rotates, the second threaded sleeve 8 drives the press sleeve 3 to move towards the rear oil seal 2 and realize a press-fitting process, and when the end face of the inner side of the press sleeve 3 is in contact with the first threaded sleeve 6, the rear oil seal 2 is pressed and fitted in place.
When the press fitting device is implemented, the first threaded sleeve 6 is fixed with the press fitting seat 4, the second threaded sleeve 8 is fixed with the press fitting sleeve 3, the press fitting seat 4 is fixedly connected with the crankshaft 1 through the two pairs of fixing screws 5, so that the position of the first threaded sleeve 6 is fixed, the press fitting screw 9 is driven to extend through the first threaded sleeve 6, and the second threaded sleeve 8 initially contacts with a nut of the press fitting screw 9, so that the press fitting screw 9 continuously extends to drive the second threaded sleeve 8 and the press fitting sleeve 3 to move towards the direction of the rear oil seal 2, the press fitting sleeve 3 is limited to move circumferentially by the two fixing screws 5, the press fitting sleeve 3 and the second threaded sleeve 8 are driven to move rightwards by the press fitting screw 9, and the front end of the press fitting sleeve 3 pushes the rear oil seal 2 rightwards, so that the press fitting function is realized. In addition, the first threaded sleeve 6, the second threaded sleeve 8 and the press-fitting screw 9 are quick-wear parts which can be damaged after long-term use, and only the quick-wear parts need to be updated.
Further, the press-fitting seat 4 is of a cylindrical structure, the first embedded groove 42 is arranged at the central part of the press-fitting seat 4, and the side wall of the press-fitting seat 4 extends towards the direction of the press sleeve 3; the left and right sides of the first insertion groove 42 are respectively provided with a first connection hole; the first connecting hole is composed of two sections of large through holes 43 and small through holes 44 which have different diameters and are concentric, the small through holes 44 correspond to the crankshaft 1, the large through holes 43 face the pressing sleeve 3, thread sections 51 with reduced diameters are arranged at the end parts of the pressing screw rods 9, and the thread sections 51 penetrate through the small through holes 44 and are in threaded connection with the crankshaft 1, so that the pressing base 4 is fixedly connected with the crankshaft 1 through the pressing screw rods 9. A stepped surface is formed between the large through hole 43 and the small through hole 44, and the corresponding fixing screw 5 is also in a stepped structure, so that the fixing screw 5 can be fixedly connected with the crankshaft 1 without being in threaded connection with the press-fitting seat 4.
Furthermore, the side wall of the press-fitting seat 4 is provided with a slot 45 communicated with the large through hole 43, so that the side wall of the fixing screw 5 overflows the side wall of the press-fitting seat 4 and is in contact with the inner side wall of the press sleeve 3. So as to facilitate axial positioning of the pressure sleeve 3 by means of the fixing screw 5.
Still further, the lateral wall of pressure equipment screw rod 9 still is equipped with the annular groove, is equipped with rubber circle 7 in the annular groove, and rubber circle 7 and the inside wall elastic contact of pressing cover 3. When the press fitting tool is idle and does not work, the fixing screw rod 5 cannot fall off from the press sleeve 3 under the gravity factor, so that the whole press fitting tool forms a whole.
Further, the first thread bush 6 has a cylindrical structure with a diameter smaller than or equal to the diameter of the first insertion groove 42; the side wall of the first threaded sleeve 6 is also provided with a first limiting plate 62, four sides of the first limiting plate 62 are composed of two symmetrical arc sides and two parallel straight sides, the two arc sides are attached to the extended inner side wall of the press-fitting seat 4, and the two straight sides respectively face the side walls of the two fixing screws 5; the first limiting plate 62 is connected with the end face of the press-fitting seat 4 through at least two bolts. The shape of the limiting plate enables the limiting plate and the fixing screw rod 5 not to have any contact relation, the first thread bushing 6 is limited by the press-fitting seat 4, and the first embedded groove 42 is convenient for positioning the installation of the first thread bushing 6 and the press-fitting seat 4.
Further, the second thread bush 8 is of a cylindrical structure, the diameter of which is smaller than or equal to the diameter of the second insertion groove 32; a second limiting plate 82 is further arranged on the side wall of the second threaded sleeve 8, and four sides of the second limiting plate 82 are composed of two symmetrical arc sides and two parallel straight sides; the end face of the pressing sleeve 3 is further provided with a limiting groove 31, the second embedded groove 32 is arranged in the limiting groove 31, the shape of the limiting groove 31 is the same as that of the second limiting plate 82, and the second limiting plate 82 is connected with the limiting groove 31 through at least two bolts. The fit relationship between the limiting groove 31 and the second limiting plate 82 enables the second thread bushing 8 and the pressing sleeve 3 to be tightly connected in diameter and move synchronously.
Further, the depth of the second thread bush 8 in the second embedded groove 32 is smaller than the thickness of the second embedded groove 32, so that the problem that the second thread bush 8 penetrates through the end face of the pressing sleeve 3 and is removed from the first thread bush 6 in advance, and then the rear oil seal 2 is not pressed in place is solved.
Further, corresponding to the structure of the first thread bushing 6, the second limit plate 82 and the two straight edges of the limit groove 31 correspond to the side walls of the fixing screw 5.
Further, the press-fitting screw 9 is composed of a large screw 91 and a small screw 92, the thread directions of the first threaded hole 61 and the second threaded hole 81 are opposite, the large screw 91 is matched with the second threaded hole 81, and the small screw 92 is matched with the first threaded hole 61. When the press fitting device is implemented, the screw thread screwing directions of the press fitting screw rod 9 and the first threaded sleeve 6 and the second threaded sleeve 8 are opposite, so that when the press fitting screw rod 9 rotates, the second threaded sleeve 8 and the first threaded sleeve 6 can move in opposite directions, the propelling speed of the press fitting sleeve 3 is increased, and the press fitting efficiency of the rear oil seal 2 is improved.
Further, a hanging ring 10 is arranged on the outer side wall of the pressing sleeve 3. Because the press-fitting tool disclosed by the invention is of an integral structure, the press-fitting tool can be lifted and transported through the hanging ring 10.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A press mounting tool for a rear oil seal of an engine crankshaft is characterized by comprising a crankshaft, a rear oil seal, a press mounting seat, a press mounting screw rod, a press sleeve, a first threaded sleeve and a second threaded sleeve;
the rear oil seal sleeve is arranged on the outer side wall of the crankshaft, a groove is formed in the middle of one end of the crankshaft, a flange matched with the groove is arranged at one end of the press-fitting seat and is embedded into the groove, a first embedded groove is formed in the other end of the press-fitting seat, and the first threaded sleeve is fixed in the first embedded groove through a bolt; the pressing sleeve wraps the first threaded sleeve and the pressing seat, and the side wall of the pressing sleeve can slide along the side wall of the pressing seat and the side wall of the crankshaft, so that the pressing sleeve presses the rear oil seal;
a second embedded groove is formed in the outer end face of the pressing sleeve, and the second threaded sleeve is fixed in the second embedded groove through a bolt; the center of the first threaded sleeve and the center of the second threaded sleeve are respectively provided with a first threaded hole and a second threaded hole, the pressing sleeve is provided with a through hole for communicating the first threaded hole with the second threaded hole, and the pressing screw rod sequentially penetrates through the second threaded hole, the through hole and the first threaded hole; the end face of the pressing sleeve is also provided with two fixing screws penetrating through the pressing sleeve and the pressing seat, the crankshaft and the pressing seat are fixedly connected by the fixing screws, and the pressing sleeve can slide along the fixing screws; when the press-fitting screw rod rotates, the second threaded sleeve drives the press sleeve to move towards the rear oil seal and realize a press-fitting process, and when the end face of the inner side of the press sleeve is in contact with the first threaded sleeve, the rear oil seal is pressed and fitted in place.
2. The press-fitting tool for the rear oil seal of the engine crankshaft as claimed in claim 1, wherein the press-fitting seat is of a cylindrical structure, the first insertion groove is formed in the center of the press-fitting seat, and the side wall of the press-fitting seat extends towards the direction of the press sleeve; the left side and the right side of the first embedded groove are respectively provided with a first connecting hole;
the first connecting hole is composed of two sections of large through holes and small through holes which are different in diameter and are concentric, the small through holes correspond to the crankshaft, the large through holes face the pressing sleeve, thread sections with reduced diameters are arranged at the end portions of the fixing screws, and the thread sections penetrate through the small through holes and are in threaded connection with the crankshaft, so that the fixing screws fixedly connect the pressing seat with the crankshaft.
3. A press-fitting tool for a rear oil seal of an engine crankshaft as claimed in claim 2, wherein the side wall of the press-fitting seat is further provided with a slot communicated with the large through hole, so that the side wall of the fixing screw rod overflows the side wall of the press-fitting seat and contacts with the inner side wall of the press sleeve.
4. A press-fitting tool for a rear oil seal of an engine crankshaft as claimed in claim 3, wherein an annular groove is further formed in the side wall of the press-fitting screw, a rubber ring is arranged in the annular groove, and the rubber ring is in elastic contact with the inner side wall of the press sleeve.
5. The press-fitting tool for the rear oil seal of the engine crankshaft as claimed in claim 2, wherein the first thread bush is of a cylindrical structure, and the diameter of the first thread bush is smaller than or equal to that of the first embedded groove; the side wall of the first threaded sleeve is also provided with a first limiting plate, four edges of the first limiting plate are composed of two symmetrical arc edges and two parallel straight edges, the two arc edges are attached to the extending inner side wall of the press mounting seat, and the two straight edges respectively face the side walls of the two fixing screws; the first limiting plate is connected with the end face of the press fitting seat through at least two bolts.
6. The press-fitting tool for the rear oil seal of the engine crankshaft as claimed in claim 1, wherein the second thread bush is of a cylindrical structure, and the diameter of the second thread bush is smaller than or equal to that of the second embedded groove; the side wall of the second threaded sleeve is also provided with a second limiting plate, and four sides of the second limiting plate are composed of two symmetrical arc sides and two parallel straight sides;
the end face of the pressing sleeve is further provided with a limiting groove, the second embedded groove is arranged in the limiting groove, the shape of the limiting groove is the same as that of the second limiting plate, and the second limiting plate is connected with the limiting groove through at least two bolts.
7. The engine crankshaft rear oil press-fitting tool according to claim 6, wherein the depth of the second thread bush in the second insertion groove is smaller than the thickness of the second insertion groove.
8. The engine crankshaft rear oil seal press-fitting tool according to claim 6, wherein two straight edges of the second limiting plate and the limiting groove correspond to the side walls of the fixing screw.
9. A press-fitting tool for a rear oil seal of an engine crankshaft as claimed in claim 1, wherein the press-fitting screw rod is composed of a large screw rod and a small screw rod, the screw thread directions of the first threaded hole and the second threaded hole are opposite, the large screw rod is matched with the second threaded hole, and the small screw rod is matched with the first threaded hole.
10. A press-fitting tool for a rear oil seal of an engine crankshaft as claimed in claim 1, wherein a hanging ring is further provided on an outer side wall of the press sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547144.5A CN114147459A (en) | 2021-12-16 | 2021-12-16 | Press mounting tool for rear oil seal of engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547144.5A CN114147459A (en) | 2021-12-16 | 2021-12-16 | Press mounting tool for rear oil seal of engine crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114147459A true CN114147459A (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111547144.5A Pending CN114147459A (en) | 2021-12-16 | 2021-12-16 | Press mounting tool for rear oil seal of engine crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114147459A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119832A (en) * | 1997-06-30 | 1999-01-26 | Nissan Diesel Motor Co Ltd | Oil seal press-in device |
| CN203712613U (en) * | 2014-02-10 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Press-fitting tool for sealing piece and combination tool |
| CN205290821U (en) * | 2015-12-18 | 2016-06-08 | 潍柴动力股份有限公司 | Back oil blanket mounting tool |
| CN106425989A (en) * | 2016-10-19 | 2017-02-22 | 安徽全柴动力股份有限公司 | Crankshaft rear oil seal assembling tool |
| CN110524479A (en) * | 2019-09-24 | 2019-12-03 | 东风雷诺汽车有限公司 | A kind of oil seal for automobile engine press-loading apparatus |
| CN214025509U (en) * | 2020-12-18 | 2021-08-24 | 安徽全柴动力股份有限公司 | Rear oil seal press-fitting tool |
-
2021
- 2021-12-16 CN CN202111547144.5A patent/CN114147459A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119832A (en) * | 1997-06-30 | 1999-01-26 | Nissan Diesel Motor Co Ltd | Oil seal press-in device |
| CN203712613U (en) * | 2014-02-10 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Press-fitting tool for sealing piece and combination tool |
| CN205290821U (en) * | 2015-12-18 | 2016-06-08 | 潍柴动力股份有限公司 | Back oil blanket mounting tool |
| CN106425989A (en) * | 2016-10-19 | 2017-02-22 | 安徽全柴动力股份有限公司 | Crankshaft rear oil seal assembling tool |
| CN110524479A (en) * | 2019-09-24 | 2019-12-03 | 东风雷诺汽车有限公司 | A kind of oil seal for automobile engine press-loading apparatus |
| CN214025509U (en) * | 2020-12-18 | 2021-08-24 | 安徽全柴动力股份有限公司 | Rear oil seal press-fitting tool |
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