CN206140390U - Oil blanket erecting tool behind bent axle - Google Patents
Oil blanket erecting tool behind bent axle Download PDFInfo
- Publication number
- CN206140390U CN206140390U CN201621134985.8U CN201621134985U CN206140390U CN 206140390 U CN206140390 U CN 206140390U CN 201621134985 U CN201621134985 U CN 201621134985U CN 206140390 U CN206140390 U CN 206140390U
- Authority
- CN
- China
- Prior art keywords
- gland
- bent axle
- face
- crankshaft rear
- oil seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 3
- 210000001215 vagina Anatomy 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 25
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model belongs to the technical field of the engine asseumbly, concretely relates to oil blanket erecting tool behind bent axle, including fixed block, gland and pivot, be equipped with on the fixed block and constitute the detachable connecting portion of being connected with the bent axle rear end face, the one side of carrying on the back mutually with the bent axle on the fixed block is equipped with a screw thread portion, be equipped with the screw thread section with the screw thread constitution screw -thread fit of portion in the pivot, the gland suit outside and can be followed the direction that is on a parallel with the bent axle axis and slided at the fixed block, and the oil blanket mounting groove sets up relatively behind the annular terminal surface of the opening end of gland and the bent axle, the gland is equipped with the dead eye that supplies the pivot to pass on keeping away from a side end face of bent axle, constitutes circumferential direction, axial fixity cooperation through the bearing that sets up in this dead eye between pivot and the gland. The utility model discloses an accurate location of gland is realized to the fixed block, then utilizes screw -thread fit to change the rotary motion of pivot the axial motion of gland into, and the oil blanket is whole after to the bent axle exerts pressure for the gland, ensure the bent axle after the oil blanket pressure equipment target in place.
Description
Technical field
This utility model belongs to engine assembly technical field, and in particular to a kind of crankshaft rear oil seal assembly tool.
Background technology
Crankshaft oil seal be bent axle assembling primary sealing member, its Main Function be by crankcase with space outerpace every
From preventing the machine oil in crankcase from leaking outside.Typically using artificial online assembling, operator's crankshaft rear oil seal exist in prior art
Install and be difficult during oil sealing precise positioning, and without special press mounting tool, often occur and press-fit not in place or press-fit
The defect such as depth is uneven, has a strong impact on bent axle assembling quality.
Utility model content
The purpose of this utility model is to provide a kind of crankshaft rear oil seal assembly tool for being easy to crankshaft rear oil seal to assemble.
For achieving the above object, this utility model provides technical scheme below：A kind of crankshaft rear oil seal assembly tool, bag
Fixed block, gland and rotating shaft are included, the fixed block is provided with the connecting portion that detachable connection can be constituted with crankshaft rear end face,
The side opposite with bent axle is provided with a threaded portion, the axis of the threaded portion and the diameter parallel of bent axle on the fixed block, described
Rotating shaft is provided with and constitutes the thread segment that screw thread coordinates with threaded portion；The gland is the cylindrical housings of open at one end, gland
Opening end towards bent axle, gland be sleeved on fixed block outside and can along parallel to crankshaft center line direction slide, gland open
The annular end face at mouth end is oppositely arranged with crankshaft rear oil seal mounting groove；Gland is provided with away from a side end face of bent axle and is worn for rotating shaft
The dead eye crossed, the bearing composition between rotating shaft and gland by arranging in the dead eye is circumferentially rotated, axial restraint coordinates, institute
State in rotating shaft away from bent axle one end be provided be easy to apply external force with the drive division of rotating shaft.
The fixed block includes the body isometrical with crankshaft rear end face, the side that body is fitted with crankshaft rear end face be provided with
The locating piece that crankshaft rear end face center positioning hole is engaged, along the circumferential direction uniformly offers multiple screw threads on crankshaft rear end face
Hole, offers and the one-to-one installing hole of each screwed hole, by the peace between body and crankshaft rear end face on the body
Installation bolt realizes detachable connection in dress hole and screwed hole.
The bolt sequentially passes through guide hole, the installing hole on body opened up on gland end face from gland outside, and with song
Screwed hole on shaft rear end face constitutes threaded connection, and the shaft of bolt is provided with one to be used to compress the nut of body, makes bolt i.e.
Serve as the connection member of body and bent axle, the spacing guiding parts of gland is served as again.
It is additionally provided with a secondary location hole on the crankshaft rear end face, the body is provided with corresponding with secondary location hole to be determined
Position pin-and-hole, in the secondary location hole and dowel hole an alignment pin is provided with.
The threaded portion is an external thread column, and the thread segment is the one section of riffled tube arranged in rotating shaft；The spiral shell
Stricture of vagina column bottom is provided with radially raised flange, and the side that threaded post is fitted from body with crankshaft rear end face passes through body
The counterbore that center opens up, and the side opposite with crankshaft rear end face of body is protruded out to, flange and the counterbore of screw thread column bottom
Stage portion gear connects；The locating piece also is located in the counterbore, and solid by screw between locating piece, screw thread column flange and body
Connect.
The opening end of the gland is provided with the flange of Flange-shaped Parts, and the flange side relative with crankshaft rear oil seal mounting groove sets
There is the lobe of a ring shape.
The bearing is thrust roller bearing.
The drive division is rotary handle, and the rotary handle includes a driving lever, what the driving lever was opened up through in rotating shaft
Radial direction through hole.
The outer ring surface of the body is the conical surface shape structure drawn in gland side.
The body is provided with fillet towards the edge of the side of gland.
It is of the present utility model to have technical effect that：This utility model realizes the precise positioning of gland by fixed block, then
Using screw thread coordinate by the convert rotational motion of rotating shaft into gland axially-movable, gland integrally presses to crankshaft rear oil seal, really
Protect pressed assembling of rear oil seal of carnkshaft in place.
Description of the drawings
Fig. 1 is crankshaft rear end assembling structure schematic diagram；
Fig. 2 is the sectional view of crankshaft rear oil seal assembly tool of the present utility model；
Fig. 3 is the bolt arrangement schematic diagram in this utility model；
Fig. 4, Fig. 5 are that crankshaft rear oil seal assembly tool of the present utility model press-fits process schematic.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in Fig. 1～5, a kind of crankshaft rear oil seal assembly tool, including fixed block, gland 10 and rotating shaft 20, it is described solid
Determine block and be provided with the connecting portion that detachable connection can be constituted with the rear end face of bent axle 40, it is opposite with bent axle 40 on the fixed block
Side be provided with a threaded portion, the axis of the threaded portion and the diameter parallel of bent axle 40, the rotating shaft 20 is provided with and threaded portion
Constitute the thread segment that screw thread coordinates；The gland 10 is the cylindrical housings of open at one end, and the opening end of gland 10 is towards bent axle
40, gland 10 is sleeved on fixed block outside and can slide along the direction parallel to the axis of bent axle 40, the opening end of gland 10
Annular end face is oppositely arranged with the Rear oil seal mounting groove 42 of bent axle 40；Gland 10 is provided with away from a side end face of bent axle 40 and supplies rotating shaft
20 dead eyes for passing through, the composition of bearing 14 between rotating shaft 20 and gland 10 by arranging in the dead eye is circumferentially rotated, axial direction
Secure fit, the one end in the rotating shaft 20 away from bent axle 40 is provided with is easy to apply external force with the drive division of rotating shaft 20.
Preferably, the fixed block includes the body 30 isometrical with the rear end face of bent axle 40, body 30 and the rear end face of bent axle 40
The side of laminating is provided with the locating piece 31 being engaged with the rear end face center positioning hole 41 of bent axle 40, on the rear end face of bent axle 40 circumferentially
Direction uniformly offers multiple screwed holes 43, offers on the body 30 and the one-to-one installing hole 33 of each screwed hole 43,
Detachable company is realized by the installation bolt 50 in the installing hole 33 and screwed hole 43 between body 30 and the rear end face of bent axle 40
Connect.
Preferably, the bolt 50 sequentially passes through guide hole 11, the body 30 opened up on the end face of gland 10 from the outside of gland 10
On installing hole 33, and with the rear end face of bent axle 40 screwed hole 43 constitute be threadedly coupled, the shaft of bolt 50 is provided with a use
In the nut 51 for compressing body 30, make bolt 50 serve as the connection member of body 30 and bent axle 40, the limit of gland 10 is served as again
Position guiding parts.
Preferably, a secondary location hole 44 is additionally provided with the rear end face of the bent axle 40, the body 30 is provided with fixed with pair
The corresponding dowel hole 35 in position hole 44, in the secondary location hole 44 and dowel hole 35 alignment pin 60 is provided with.The alignment pin 60
With the collective effect of the locating piece 31, provide can installing hole 33 and the accurate para-position of screwed hole 43, the installation for bolt 50
It is convenient.
Preferably, the threaded portion is an external thread column 32, and the thread segment is spiral shell in a section arranged in rotating shaft 20
Stricture of vagina pipe 21；The bottom of the threaded post 32 is provided with radially raised flange, threaded post 32 from body 30 with bent axle 40 after
The counterbore that the side of end face laminating opens up through the center of body 30, and protrude out to opposite with the rear end face of bent axle 40 of body 30
Side, the flange of the bottom of threaded post 32 connects with the stage portion gear of counterbore；The locating piece 31 also is located in the counterbore, and locating piece
31st, it is affixed by screw 34 between the flange of threaded post 32 and body 30.
Preferably, the opening end of the gland 10 is provided with the flange 12 of Flange-shaped Parts, and the flange 12 is pacified with the Rear oil seal of bent axle 40
The relative side of tankage 42 is provided with the lobe 13 of a ring shape, and the lobe 13 directly acts on crankshaft rear oil seal, it is ensured that bent
Axle Rear oil seal is press-fit into place.
Preferably, the bearing 14 is thrust roller bearing, because rotating shaft 20 is in rotary course between meeting and gland 10
Axial thrust is produced, therefore to adopt thrust bearing, to improve the axial bearing capacity of bearing.
Preferably, the drive division is rotary handle, and the rotary handle includes a driving lever 22, and the driving lever 22 is passed through and turned
The radial direction through hole opened up on axle 20.
Preferably, the outer ring surface of the body 30 is the conical surface shape structure drawn in the side of gland 10, or the body 30
Fillet is provided with towards the edge of the side of gland 10, gland 10 is automatically looked for along the conical surface or chamfering in assembling process
Just, to improve efficiency of assembling, so improve oil sealing press-fit efficiency.
This utility model realizes the precise positioning of gland 10 by fixed block, is then coordinated the rotation of rotating shaft 20 using screw thread
The dynamic axially-movable for changing into gland 10 of transhipment, gland 10 integrally presses to the Rear oil seal of bent axle 40, it is ensured that the Rear oil seal pressure of bent axle 40
It is attached to position.
Concrete assembling process of the present utility model is as follows：First, body 30 is pre-installed using locating piece 31 and alignment pin 60
On the end face of bent axle 40, then gland 10 and the molectron of rotating shaft 20 are sleeved on body 30, now need rotating shaft 20, made
Corrugated tubing 21 is tentatively connected with threaded post 32, and bolt 50 is finally sequentially passed through again the guide hole 11 of gland 10 and the installation of body 30
Hole 33, and be threadedly coupled with the screwed hole 43 on the end face of bent axle 40, make nut 51 compress body 30, can now implement oil sealing
Press-fit action：Rotating shaft 20, makes gland 10 feed to the direction of bent axle 40, until crankshaft rear oil seal is completely forced into into mounting groove 42
Interior, now oil seal pressing is completed, and above-mentioned part is removed successively.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of crankshaft rear oil seal assembly tool, it is characterised in that：Including fixed block, gland and rotating shaft, set on the fixed block
Having can constitute the connecting portion of detachable connection with crankshaft rear end face, and the side opposite with bent axle is provided with one on the fixed block
Threaded portion, the axis of the threaded portion and the diameter parallel of bent axle, the rotating shaft is provided with and constitutes the spiral shell that screw thread coordinates with threaded portion
Stricture of vagina section；The gland is the cylindrical housings of open at one end, and towards bent axle, gland is sleeved on outside fixed block the opening end of gland
And can slide along the direction parallel to crankshaft center line, the annular end face of the opening end of gland is relative with crankshaft rear oil seal mounting groove
Arrange；Gland is provided with the dead eye passed through for rotating shaft away from a side end face of bent axle, and the bearing is passed through between rotating shaft and gland
The bearing composition arranged in hole is circumferentially rotated, axial restraint coordinates, and the one end in the rotating shaft away from bent axle is provided with to be easy to apply
External force is with the drive division of rotating shaft.
2. crankshaft rear oil seal assembly tool according to claim 1, it is characterised in that：The fixed block include with after bent axle
The isometrical body of end face, the side that body is fitted with crankshaft rear end face is provided with and determining that crankshaft rear end face center positioning hole is engaged
Position block, along the circumferential direction uniformly offers multiple screwed holes on crankshaft rear end face, offer on the body and each screwed hole one
One corresponding installing hole, is realized detachably between body and crankshaft rear end face by the installation bolt in the installing hole and screwed hole
Formula connects.
3. crankshaft rear oil seal assembly tool according to claim 2, it is characterised in that：The bolt from gland outside successively
Installing hole on the guide hole that opens up through on gland end face, body, and constitute with the screwed hole on crankshaft rear end face and be threadedly coupled,
The shaft of bolt is provided with one to be used to compress the nut of body, makes bolt serve as the connection member of body and bent axle, is served as again
The spacing guiding parts of gland.
4. crankshaft rear oil seal assembly tool according to claim 3, it is characterised in that：It is additionally provided with the crankshaft rear end face
One secondary location hole, the body is provided with the dowel hole corresponding with secondary location hole, in the secondary location hole and dowel hole
It is provided with an alignment pin.
5. crankshaft rear oil seal assembly tool according to claim 2, it is characterised in that：The threaded portion is an external screw thread
Post, the thread segment is the one section of riffled tube arranged in rotating shaft；The screw thread column bottom is provided with radially raised convex
Edge, the counterbore that the side that threaded post is fitted from body with crankshaft rear end face opens up through body central, and protrude out to body
The side opposite with crankshaft rear end face, the flange of screw thread column bottom connects with the stage portion gear of counterbore；The locating piece also is located at this
It is in counterbore and affixed by screw between locating piece, screw thread column flange and body.
6. crankshaft rear oil seal assembly tool according to claim 1, it is characterised in that：The opening end of the gland is provided with method
The flange of flange-like, the flange side relative with crankshaft rear oil seal mounting groove is provided with the lobe of a ring shape.
7. crankshaft rear oil seal assembly tool according to claim 1, it is characterised in that：The bearing is thrust roller axle
Hold.
8. crankshaft rear oil seal assembly tool according to claim 1, it is characterised in that：The drive division is rotary handle,
The rotary handle includes a driving lever, the radial direction through hole that the driving lever is opened up through in rotating shaft.
9. crankshaft rear oil seal assembly tool according to claim 2, it is characterised in that：The outer ring surface of the body is to pressure
The conical surface shape structure that lid side is drawn in.
10. crankshaft rear oil seal assembly tool according to claim 2, it is characterised in that：The body towards gland one
The edge of side is provided with fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134985.8U CN206140390U (en) | 2016-10-19 | 2016-10-19 | Oil blanket erecting tool behind bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134985.8U CN206140390U (en) | 2016-10-19 | 2016-10-19 | Oil blanket erecting tool behind bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206140390U true CN206140390U (en) | 2017-05-03 |
Family
ID=58623434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621134985.8U Expired - Fee Related CN206140390U (en) | 2016-10-19 | 2016-10-19 | Oil blanket erecting tool behind bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206140390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-10-19 CN CN201621134985.8U patent/CN206140390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |