CN218747502U - Engine crankshaft oil seal dismounting device - Google Patents
Engine crankshaft oil seal dismounting device Download PDFInfo
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- CN218747502U CN218747502U CN202222777374.7U CN202222777374U CN218747502U CN 218747502 U CN218747502 U CN 218747502U CN 202222777374 U CN202222777374 U CN 202222777374U CN 218747502 U CN218747502 U CN 218747502U
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- oil seal
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- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
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Abstract
The application discloses engine crankshaft oil blanket dismounting device belongs to engine dismouting field. The application discloses engine crankshaft oil blanket dismounting device includes: the pulling component comprises a connecting plate and a pulling piece, the pulling piece is arc-shaped and is used for being embedded into a ring groove of an engine crankshaft oil seal, the pulling piece is arranged at the bottom of the connecting plate, and a limiting hole and a pulling hole are formed in the connecting plate; the limiting seat is circumferentially provided with a limiting rod, the limiting rod penetrates through the limiting hole and is movably connected with the connecting plate, the connecting plate is fixed on the limiting rod through a fastener, and the center of the limiting seat is provided with a through hole; the center of the pulling seat is provided with a first threaded hole, and the circumferential direction of the pulling seat is provided with a pulling block; and the bolt rod penetrates through the through hole and is connected with the pulling seat through the first threaded hole. The application provides a dismounting device can dismantle the bent axle oil blanket non-destructively, is difficult for causing the damage to the bent axle, and convenient to use, and the practicality is high.
Description
Technical Field
The invention relates to the technical field of engine disassembly and assembly, in particular to a disassembling device for an engine crankshaft oil seal.
Background
The crankshaft oil seal is a vulnerable part on an engine, the engine leaks oil due to the damage of the crankshaft oil seal, the crankshaft can be locked seriously, and potential safety hazards are caused, so that the crankshaft oil seal in the engine is required to be replaced frequently in the engine maintenance process.
Present multi-purpose bottle opener of oil blanket dismouting is torn open front and back oil blanket from front and back gear room and is got off, both can damage the bent axle oil blanket, also can cause the damage to the bent axle of engine, prior art also has and penetrates the oil blanket destructively through self tapping screw inside, make bent axle oil blanket and extracting tool fixed back, pull out the bent axle oil blanket again, however above-mentioned mode can cause destructive perforation to the bent axle oil blanket and damage, also can't use above-mentioned mode to the bent axle oil blanket of metal material frame to dismantle moreover.
SUMMERY OF THE UTILITY MODEL
The application provides an engine crankshaft oil blanket dismounting device, dismantlement engine crankshaft oil blanket that can convenient and fast to reduce the damage to the crankshaft oil blanket at the dismantlement in-process, still be difficult for causing the damage to engine crankshaft simultaneously.
In order to achieve the above object, the present application provides an engine crankshaft oil seal dismounting device, comprising: the pulling assembly comprises a connecting plate and a pulling piece, the pulling piece is arc-shaped and is used for being embedded into an annular groove of an engine crankshaft oil seal, the pulling piece is arranged at the bottom of the connecting plate, and a limiting hole and a pulling hole are formed in the connecting plate; the limiting seat is circumferentially provided with a limiting rod, the limiting rod penetrates through the limiting hole and is movably connected with the connecting plate, the connecting plate is fixed on the limiting rod through a fastener, and the center of the limiting seat is provided with a through hole; the center of the pulling seat is provided with a first threaded hole, the periphery of the pulling seat is provided with a pulling block, and the pulling block can penetrate through the pulling hole; and the bolt rod penetrates through the through hole and is connected with the pulling seat through the first threaded hole.
Optionally, a protrusion is provided on a side of the pulling member adjacent to the bolt shank.
Optionally, the projection is provided at the bottom of the pull member.
Optionally, the projection is provided continuously at the bottom of the pull member.
Optionally, the pulling assembly further comprises an extension plate, one end of the extension plate is disposed at the bottom of the connecting plate, the other end of the extension plate extends towards the bolt rod and is connected with the pulling member, and the pulling member is disposed at the bottom of the connecting plate through the extension plate.
Optionally, the number of the pulling assemblies is four, the pulling assemblies are uniformly distributed along the circumferential direction of the bolt rod, the number of the limiting rods and the number of the pulling blocks are matched with the number of the pulling assemblies, and the number of the limiting rods or the number of the pulling blocks can be larger than or equal to the number of the pulling assemblies.
Optionally, the angle of the arc-shaped drawing piece is 30-70 degrees, preferably 60-70 degrees.
Optionally, the stop bar is provided with a thread, and the fastener is a nut.
Optionally, a threaded block is further disposed on the pulling seat, a second threaded hole is formed in the threaded block, and the second threaded hole and the first threaded hole are coaxially disposed.
Optionally, the ratio of the height of the thread block to the height of the pulling seat is 2 to 3:1.
optionally, the pull seat is located above the restraint seat.
The beneficial effects of the utility model are that:
1. the application provides an engine crankshaft oil blanket dismounting device draws in can imbedding the annular of engine crankshaft oil blanket, behind the nut clamping connection board on the rotatory gag lever post, can make to draw and get piece and crankshaft oil blanket butt, plays through rotatory shank of bolt and vertically draws the effect of getting, when swift convenient, nondestructively dismantles the engine crankshaft oil blanket, also is difficult for causing the damage to engine crankshaft.
2. The application provides an engine crankshaft oil blanket dismounting device draws and gets the subassembly can swing joint on spacing seat, can will draw after dismantling the nut and get the subassembly and take off easily, consequently can draw through changing not unidimensional and get the subassembly to adapt to the dismantlement of not unidimensional engine crankshaft oil blanket, improve the dismounting device's that this application provided practicality.
3. In the use process of the dismounting device, the dismounting device and the action part of the crankshaft oil seal are easy to damage, so that the dismounting device is unavailable, and the pulling component can be conveniently and quickly replaced for the engine crankshaft oil seal dismounting device provided by the application, and only the pulling component needs to be replaced, so that the cost can be effectively reduced.
4. The application provides a dismounting device, be provided with and draw seat and spacing seat, spacing seat plays through the gag lever post and gets the subassembly horizontal, to the interior clamping action of oil blanket, and draw and get the seat and act on the connecting plate through drawing the piece of getting, can play and vertically upwards draw the effect of getting to drawing the subassembly, set up respectively and draw seat and spacing seat, make and get the piece through drawing and the non-gag lever post plays vertical ascending drawing the effect of getting, can effectively protect the gag lever post, thereby improve the holistic life of dismounting device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of an engine crankshaft oil seal removal device according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a pulling assembly in an engine crankshaft oil seal removal device according to an embodiment of the present application;
FIG. 3 is a longitudinal cut-away view of an engine crankshaft and engine crankshaft oil seal.
List of parts and reference numbers:
1-pulling component, 2-connecting plate, 3-pulling piece, 4-limiting hole, 5-pulling hole, 6-limiting seat, 7-limiting rod, 8-pulling seat, 9-pulling block, 10-bolt rod, 11-bulge, 12-nut, 13-thread block, 14-extending plate, 15-through hole;
21-crankshaft oil seal outer framework, 22-crankshaft oil seal inner framework, 23-bulge and 30-engine crankshaft.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1-2, the present application provides an engine crankshaft oil seal dismounting device, comprising: the drawing assembly 1 comprises a connecting plate 2 and drawing pieces 3, the drawing pieces 3 are arc-shaped, the drawing pieces 3 are embedded into ring grooves of an engine crankshaft oil seal, the drawing pieces 3 are arranged at the bottom of the connecting plate 2, and the connecting plate 2 is provided with a limiting hole 4 and a drawing hole 5; the limiting device comprises a limiting seat 6, wherein a limiting rod 7 is arranged on the periphery of the limiting seat 6, the limiting rod 7 penetrates through a limiting hole 4 and is movably connected with a connecting plate 2, the connecting plate 2 is fixed on the limiting rod 7 through a fastening piece, and a through hole 15 is formed in the center of the limiting seat 6; the pulling seat 8 is provided with a first threaded hole in the center of the pulling seat 8, the pulling block 9 is arranged on the pulling seat 8 in the circumferential direction, and the pulling block 9 can penetrate through the pulling hole 5; and a bolt rod 10, wherein the bolt rod 10 penetrates through the through hole 15 and is connected with the pulling seat 8 through the first threaded hole.
The application provides an engine crankshaft oil blanket dismounting device, draw and get 3 can imbed in the annular of engine crankshaft oil blanket, nut 12 on the rotatory gag lever post 7 presss from both sides tight connecting plate 2 backs, can make and draw and get 3 and bent axle oil blanket butt, through rotatory shank of bolt 10 and first screw hole, second screw hole relative motion, can play vertically to draw and get the effect, make and draw and get 9 and drive connecting plate 2 motions, thereby lie in drawing of 2 bottoms of connecting plate and get subassembly 1 and can press from both sides tight bent axle oil blanket, and drive the gear room that the bent axle oil blanket breaks away from the engine, it is swift convenient to realize, when dismantling the engine crankshaft oil blanket nondestructively, be difficult for causing the damage to engine crankshaft.
The application provides a dismounting device, still draw seat 8 and spacing seat 6 through setting up respectively, wherein spacing seat 6 mainly plays the fastening and draws the effect of getting subassembly 1, make to draw subassembly 1 to press from both sides tight bent axle oil blanket, and draw seat 8 and shank of bolt 10 provide vertically to draw and get power, dismounting device draws piece 9 through drawing and drives connecting plate 2, and then make to draw subassembly 1 to draw the bent axle oil blanket to take out and dismantle, make gag lever post 7 only play horizontal limiting displacement, and by drawing piece 9 and play vertical drawing effect, thereby can protect gag lever post 7 structure, extension dismounting device's life.
This application does not specifically prescribe a limit to the fastener on the gag lever post 7, for example can set up the screw thread on gag lever post 7, and cooperation nut 12 plays limiting displacement to connecting plate 2, also can set up limit baffle in the one side that gag lever post 7 kept away from shank of bolt 10, through set up the spring between limit baffle on gag lever post 7 and connecting plate 2, also can play limiting displacement.
As an embodiment, the side of the pulling member 3 close to the bolt shaft 10 is provided with a bulge 11, and for the crankshaft oil seal of the metal frame and the side close to the crankshaft is provided with a bulge 23, as shown in fig. 3, in the pulling process, after the bulge 11 on the pulling member 3 is abutted against the bulge 23 on the crankshaft oil seal, the crankshaft oil seal is not easy to slip out of the clamping state of the pulling assembly 1; to the bent axle oil blanket of non-metal frame, the clamping action of drawing 3 can make the bent axle oil blanket lie in drawing protruding 11 contact departments on 3 and take place small deformation, makes and draws in protruding 11 on 3 can be embedded into the bent axle oil blanket, also makes the bent axle oil blanket be difficult for slipping from the clamping state who draws subassembly 1, and small deformation also can not cause destructive damage to the bent axle oil blanket.
As a specific implementation mode, can only set up one row of arch 11 in the bottom of drawing 3, also can be in the height along the tensile piece, set up multirow arch 11, in order to further improve the effect area of contact with the bent axle oil blanket, bent axle oil blanket deformation and with draw 3 through the protruding 11 gomphosis of multirow, the effect that the antiskid is taken off is better, to the situation that arch 11 on drawing 3 and the protruding portion 23 on the bent axle oil blanket are used, set up the multirow arch 11 on drawing 3, can not lead to whole drawing 3 to damage useless because of one row of protruding 11 damages after, and the practical degree is higher.
As an embodiment, arch 11 sets up in the bottom of drawing and getting piece 3, when arch 11 sets up in the bottom of drawing and getting piece 3, will draw more easily and get in 3 embedding bent axle oil blanket's the annular, the operating personnel of being convenient for is dismantling the in-process, realizes drawing the location of getting piece 3 fast to improve dismantlement efficiency and simple operation nature.
As an implementation mode, when only one row of protrusions 11 is arranged at the bottom of the pulling piece 3, the length of the protrusions 11 can be equal to that of the pulling piece 3, namely, one protrusion 11 is arranged at the time, and the protrusions 11 and the pulling piece 3 can be integrally formed, so that the processing and production of the pulling piece 3 are facilitated; the quantity of arch 11 also can set up to a plurality ofly, and a plurality of arch 11 evenly set up along the arc surface of drawing piece 3, is provided with the interval between the adjacent arch 11 this moment, and a plurality of arch 11 can evenly draw the oil blanket and get, further reduces the deformation of bent axle oil blanket.
As an embodiment, as shown in fig. 2, the pulling assembly 1 further includes an extension plate 14, one end of the extension plate 14 is disposed at the bottom of the connecting plate 2, the other end of the extension plate 14 extends toward the bolt shaft 10 and is connected to the pulling member 3, and the pulling member 3 is disposed at the bottom of the connecting plate 2 through the extension plate 14.
Through setting up extension board 14 for draw in getting subassembly 1 and draw 3 and be closer to shank of bolt 10, thereby can draw the bent axle oil blanket of getting less minor diameter, consequently can be through setting up the length of different extension boards 14, make not unidimensional drawing of as required and get subassembly 1, improve the device's practicality. It will be appreciated by those skilled in the art that the other end of the extension plate 14 may also extend in the opposite direction of the bolt shank 10 to accommodate the larger diameter crankshaft oil seal that may be pulled.
As an embodiment, the number of the pulling assemblies 1 is four, and the pulling assemblies are uniformly distributed along the circumferential direction of the bolt rod 10, the number of the limiting rods 7 and the number of the pulling blocks 9 are adapted to the number of the pulling assemblies 1, and the number of the limiting rods 7 or the number of the pulling blocks 9 may be greater than or equal to the number of the pulling assemblies 1.
The four pulling assemblies 1 are arranged, only the four pulling assemblies 1 need to be adjusted to clamp the crankshaft oil seal in the using process, and the operation is convenient and rapid; simultaneously, four draw and get subassembly 1 and set up uniformly, realize pressing from both sides tightly to the bent axle oil blanket in four directions, can make the bent axle oil blanket be fixed in dismounting device more steadily, draw in-process bent axle oil blanket atress balanced and stable to adopt four to draw 3 and bent axle oil blanket butt and press from both sides tightly, dismounting device is big with the area of contact of bent axle oil blanket, the difficult slippage from dismounting device of bent axle oil blanket.
As an embodiment, the angle of circular-arc drawing piece 3 is 30-70 degrees, preferably 60-70 degrees, adopt foretell angle, draw piece 3 to change imbedding in the annular of crankshaft oil blanket, again can improve the area of contact of drawing piece 3 and oil blanket, after drawing piece 3 presss from both sides tightly and is connected with the crankshaft oil blanket, can improve dismounting device and press from both sides the effect of getting to the crankshaft oil blanket, the crankshaft oil blanket is more difficult for the slippage.
As an implementation mode, the limiting rod 7 is provided with threads, the fastening piece is a nut 12, the connecting plate 2 in the pulling assembly 1 is limited and fastened by matching the threads with the nut 12, and the pulling assembly 1 can be fixed and detached conveniently by rotating the position of the nut 12.
As an implementation mode, the pulling seat 8 is further provided with a thread block 13, a second threaded hole is formed in the thread block 13, the second threaded hole and the first threaded hole are coaxially arranged, the thread block 13 is further added, and threads are matched with the bolt rod 10 to provide stable pulling power.
As an embodiment, the ratio of the height of the thread block 13 to the height of the pulling seat 8 is 2 to 3:1, the weight of the thread block 13 is smaller than that of the pulling seat 8, and the ratio of the height of the thread block 13 to that of the pulling seat 8 is (2-3): 1, the thread length of the action of the dismounting device and the bolt rod 10 is prolonged, and the whole dismounting device is not too heavy due to the increase of the thickness of the pulling seat 8.
As an embodiment, draw and get the top that seat 8 is located spacing seat 6, when drawing and get seat 8 and be located spacing seat 6 top, draw and get subassembly 1 and can be affiliated to drawing on drawing and getting the piece 9 of getting on seat 8, compare in being affiliated to on the gag lever post 7 that adopts helicitic texture, can protect the helicitic texture on the gag lever post 7, extension dismounting device's life.
As shown in fig. 3, which is a longitudinal cut view of a possible engine crankshaft and crankshaft oil seal, the middle is the engine crankshaft, the two sides are tangent planes of the crankshaft oil seal, the crankshaft oil seal comprises a crankshaft oil seal outer frame 21 and a crankshaft oil seal inner frame 22, wherein the crankshaft oil seal inner frame 22 also has a convex portion 23, which is directly abutted with the convex portion 11 of the pulling member 3 during the pulling of the oil seal.
The application provides a dismounting device's use does:
before disassembly, the nuts 12 on the limiting rods 7 are adjusted to enable the pulling assembly 1 to be located at a proper position, and after the bolt rods 10 are adjusted to the proper position, the pulling pieces 3 in the pulling assembly 1 are embedded into the annular grooves of the crankshaft oil seal, the nuts 12 on each limiting rod 7 are screwed, so that the pulling pieces 3 in the pulling assembly 1 are abutted to the annular grooves of the crankshaft oil seal, then the bolt rods 10 are rotated to be abutted to the end face of the engine crankshaft (in order to prevent damage to the end face of the engine crankshaft 30, a baffle can also be placed at the position corresponding to the end face of the engine crankshaft 30, and is directly contacted with the bolt rods 10), the pulling seat 8 is forced to move upwards by continuous rotation, the pulling block 9 on the pulling seat 8 drives the pulling assembly 1 to move upwards, the pulling assembly 1 drives the crankshaft oil seal to outwards break away, the crankshaft oil seal is disassembled from the engine crankshaft 30, finally, the nuts 12 on the limiting rods 7 are adjusted, the pulling assembly 1 is adjusted to break away from the clamping state of the crankshaft oil seal, and the whole crankshaft oil seal is disassembled from the disassembling device.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. The utility model provides an engine crankshaft oil blanket dismounting device which characterized in that includes:
the pulling assembly comprises a connecting plate and a pulling piece, the pulling piece is arc-shaped and is used for being embedded into an annular groove of an engine crankshaft oil seal, the pulling piece is arranged at the bottom of the connecting plate, and a limiting hole and a pulling hole are formed in the connecting plate;
the limiting seat is circumferentially provided with a limiting rod, the limiting rod penetrates through the limiting hole and is movably connected with the connecting plate, the connecting plate is fixed on the limiting rod through a fastener, and the center of the limiting seat is provided with a through hole;
the center of the pulling seat is provided with a first threaded hole, the circumferential direction of the pulling seat is provided with a pulling block, and the pulling block can penetrate through the pulling hole;
and the bolt rod penetrates through the through hole and is connected with the pulling seat through the first threaded hole.
2. The engine crankshaft oil seal removal device of claim 1, wherein a side of said pulling member adjacent to said bolt shank is provided with a projection.
3. The engine crankshaft oil seal removal device of claim 2, wherein the protrusion is provided at the bottom of the pulling member.
4. The engine crankshaft oil seal dismounting device according to any one of claims 1 to 3, wherein the pulling assembly further comprises an extension plate, one end of the extension plate is arranged at the bottom of the connecting plate, and the other end of the extension plate extends towards the bolt rod and is connected with the pulling piece.
5. The engine crankshaft oil seal dismounting device according to any one of claims 1 to 3, wherein the number of the pulling assemblies is four, and the pulling assemblies are uniformly distributed along the circumferential direction of the bolt rod.
6. The engine crankshaft oil seal dismounting device according to claim 5, characterized in that the angle of the arc-shaped drawing piece is 30-70 degrees.
7. The engine crankshaft oil seal dismounting device according to any one of claims 1 to 3, wherein the limiting rod is provided with threads, and the fastening member is a nut.
8. The engine crankshaft oil seal dismounting device according to any one of claims 1 to 3, wherein a thread block is further arranged on the pulling seat, a second threaded hole is formed in the thread block, and the second threaded hole is arranged coaxially with the first threaded hole.
9. The engine crankshaft oil seal dismounting device according to claim 8, characterized in that the ratio of the height of the thread block to the height of the pulling seat is 2-3: 1.
10. the engine crankshaft oil seal dismounting device according to any one of claims 1 to 3, wherein the pulling seat is positioned above the limiting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222777374.7U CN218747502U (en) | 2022-10-20 | 2022-10-20 | Engine crankshaft oil seal dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222777374.7U CN218747502U (en) | 2022-10-20 | 2022-10-20 | Engine crankshaft oil seal dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218747502U true CN218747502U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222777374.7U Active CN218747502U (en) | 2022-10-20 | 2022-10-20 | Engine crankshaft oil seal dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218747502U (en) |
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2022
- 2022-10-20 CN CN202222777374.7U patent/CN218747502U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dismantling device for engine crankshaft oil seal Granted publication date: 20230328 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Jianshe Road branch Pledgor: JINAN TIANYE CONSTRUCTION MACHINERY Co.,Ltd. Registration number: Y2024980002942 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |