CN107471147A - Universal oil seal pressing instrument - Google Patents
Universal oil seal pressing instrument Download PDFInfo
- Publication number
- CN107471147A CN107471147A CN201710712887.0A CN201710712887A CN107471147A CN 107471147 A CN107471147 A CN 107471147A CN 201710712887 A CN201710712887 A CN 201710712887A CN 107471147 A CN107471147 A CN 107471147A
- Authority
- CN
- China
- Prior art keywords
- guide
- axis
- oil seal
- seal pressing
- connecting rod
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of universal oil seal pressing instrument, it includes support group, retainer plate, press-loading device and boosting mechanism；Wherein, support base includes locating piece and the axis of guide, and one end of the axis of guide is fixedly connected with locating piece；Retainer plate is removably fixedly connected with locating piece；Press-loading device includes positioning disk, adjustment disk and rotational structure, and sleeve pipe is fixedly installed on positioning disk, and cannula slide is set on the axis of guide, and adjustment disk is rotatablely connected with sleeve pipe；Rotational structure includes first connecting rod, second connecting rod and the depression bar for being pressed oil sealing, and the both ends of first connecting rod are rotatablely connected with adjustment disk and depression bar respectively, and one end and the positioning disk of second connecting rod are slidably connected, and the other end is fixedly connected with depression bar；Boosting mechanism is set on the axis of guide, and its one end is supported on positioning disk.Universal oil seal pressing instrument provided by the invention, the versatility of the oil seal pressing instrument is realized, facilitate employee's operation, improve press fitting efficiency.
Description
Technical field
The present invention relates to oil seal pressing technical field, more particularly to a kind of universal oil seal pressing instrument.
Background technology
Traditional oil seal pressing method, it is the size for different oil sealings mostly, design specialized instrument, utilizes manpower (such as rubber
Skin hammer pounds the modes such as dress) it is pressed.But such a oil seal pressing method needs to consume substantial amounts of manpower, its efficiency is low, general
Property it is poor, and need to separately design corresponding specific purpose tool for various sizes of oil sealing, quantity is numerous and diverse, inconvenience management, makes simultaneously
Into the waste of manpower, material resources, once and type change or station state change, special press mounting tool no longer possesses applicable
Property, face and scrap risk.
The content of the invention
It is an object of the invention to provide a kind of universal oil seal pressing instrument, to solve above-mentioned the problems of the prior art,
Meet the press fitting demand of different oil sealings, realize versatility, improve press fitting efficiency.
The invention provides a kind of universal oil seal pressing instrument, wherein, including：
Support base, the support base include locating piece and the axis of guide, and one end of the axis of guide is fixed with the locating piece
Connection；
Retainer plate, the retainer plate are removably fixedly connected with the locating piece；
Press-loading device, the press-loading device include positioning disk, adjustment disk and rotational structure, are fixedly installed on the positioning disk
There is sleeve pipe, described sleeve pipe is slidably located on the axis of guide, and the adjustment disk is rotatablely connected with described sleeve pipe；It is described to rotate knot
Structure includes first connecting rod, second connecting rod and depression bar, and one end of the first connecting rod is rotatablely connected with the adjustment disk, and described first
The other end of connecting rod and the depression bar are rotatablely connected, and one end of the second connecting rod is slidably connected with the positioning disk, and described the
The other end of two connecting rods is fixedly connected with the depression bar；
Boosting mechanism, the boosting mechanism are set on the axis of guide, and one end of the boosting mechanism is supported in institute
State on positioning disk；
Handle, the handle are fixedly connected with one end away from the locating piece on the axis of guide.
Universal oil seal pressing instrument as described above, these, it is preferred to, chute, institute are provided with the positioning disk
State that chute is radial centered on the axis of the positioning disk, one to be slidably connected on the second connecting rod with the positioning disk
End is fixedly installed the guide protrusions being connected with the slide, and external screw thread, the guiding are provided with the guide protrusions
Projection is fixedly connected after passing through the chute with nut.
Universal oil seal pressing instrument as described above, these, it is preferred to, the edge of the chute is provided with scale
Chi.
Universal oil seal pressing instrument as described above, these, it is preferred to, limited location is fixedly installed on the depression bar
Set, the first connecting rod and the second connecting rod are connected to the both sides of the stop collar respectively.
Universal oil seal pressing instrument as described above, these, it is preferred to, the quantity of the rotational structure have it is multiple,
And multiple rotational structures are circumferentially uniformly distributed centered on the axis of the positioning disk.
Universal oil seal pressing instrument as described above, these, it is preferred to, in addition to back-moving spring, the reset bullet
Spring is set on the axis of guide, and one end of the back-moving spring is supported on the locating piece, the back-moving spring it is another
Support in described sleeve pipe one end.
Universal oil seal pressing instrument as described above, these, it is preferred to, the boosting mechanism includes housing, described
Slided in housing and be provided with baffle plate, the baffle plate is fixed and is set on the axis of guide, close to described sleeve pipe on the housing
Side is provided with air inlet.
Universal oil seal pressing instrument as described above, these, it is preferred to, away from the locating piece on the axis of guide
One end be fixedly installed stud, the baffle plate is fixed and is set on the stud, is provided with the handle and the stud
The screwed hole of cooperation, the handle are pressed on after being threadedly coupled with the axis of guide on the baffle plate.
Universal oil seal pressing instrument as described above, these, it is preferred to, the locating piece includes supporting section and guiding
Section, the diameter of the guide section are less than the diameter of the supporting section, and the retainer plate, which is removably secured, is set in the guiding
Duan Shang.
Universal oil seal pressing instrument as described above, these, it is preferred to, the guide section is magnetic material.
Universal oil seal pressing instrument provided by the invention, by the cooperation of support base, retainer plate and press-loading device, realize
The versatility of the oil seal pressing instrument, and by setting boosting mechanism, instead of and pound dress etc. using rubber hammer in the prior art
Mode, save manpower；In addition, by setting rotational structure, the oil seal pressing instrument i.e. achievable pair need not be dismantled by realizing
Depression bar is pressed the adjustment in region, facilitates employee's operation, improves press fitting efficiency.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of universal oil seal pressing instrument provided in an embodiment of the present invention；
Fig. 2 is the structural representation of support base；
Fig. 3 is press-loading device in a kind of structural representation at visual angle；
Fig. 4 is structural representation of the press-loading device at another visual angle；
Fig. 5 is the structural representation of retainer plate；
Fig. 6 is the partial sectional view of universal oil seal pressing instrument provided in an embodiment of the present invention.
Description of reference numerals：
100- support base 110- axis of guide 111- studs
120- locating piece 121- supporting section 122- guide sections
123- neck 200- positioning disk 210- adjustment disks
211- sleeve pipe 220- first connecting rod 230- second connecting rods
231- guide protrusions 240- stop collar 250- depression bars
260- chute 261- graduated scale 300- housings
310- air inlet 320- baffle plate 321- oil grooves
330- clamp nut 340- pressure chamber 400- back-moving springs
500- retainer plate 510- spacing preiection 600- handles
700- oil sealings
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Referring to Fig. 1 to Fig. 6, the embodiments of the invention provide a kind of universal oil seal pressing instrument, and it includes branch
Support seat 100, retainer plate 500, press-loading device, boosting mechanism and handle 600；Wherein, support base 100 includes locating piece 120 and led
To axle 110, one end of the axis of guide 110 is fixedly connected with locating piece 120；Retainer plate 500 is removably fixed with locating piece 120 to be connected
Connect；Press-loading device includes positioning disk 200, adjustment disk 210 and rotational structure, and sleeve pipe 211 is fixedly installed on positioning disk 200, set
Pipe 211 is slidably located on the axis of guide 110, and adjustment disk 210 is rotatablely connected with sleeve pipe 211；Rotational structure includes first connecting rod
220th, second connecting rod 230 and the depression bar 250 for being pressed oil sealing 700, one end of first connecting rod 220 rotates with adjustment disk 210 to be connected
Connecing, the other end and the depression bar 250 of first connecting rod 220 are rotatablely connected, and one end and the positioning disk 200 of second connecting rod 230 are slidably connected,
The other end of second connecting rod 230 is fixedly connected with depression bar 250；Boosting mechanism is set on the axis of guide 110, and the one of boosting mechanism
Support on positioning disk 200 at end；Handle 600 is fixedly connected with remotely located piece 120 on the axis of guide 110 one end.
During being pressed using universal oil seal pressing instrument provided in an embodiment of the present invention to oil sealing 700,
Retainer plate 500 can be fixed on locating piece 120 by employee, and oil sealing 700 is set on retainer plate 500, and employee holds hand
Handle 600, oil sealing 700 is aligned assembly station, start boosting mechanism, boosting mechanism is promoted press-loading device to the side of oil sealing 700
To movement, until oil sealing 700 is pressed into station, so as to complete the press fitting of oil sealing 700.During press fitting, employee is all the time
Support base 100 is pressed in the supporting construction on station, it is achieved thereby that boosting mechanism promotes press-loading device relative support seat
100 movements, and then realize the press fitting to oil sealing 700.When needing to be pressed various sizes of oil sealing 700, Yuan Gongke
To rotate adjustment disk 210, and then first connecting rod 220 is driven to rotate, because one end and the positioning disk 200 of second connecting rod 230 slide
Connection, and the other end of second connecting rod 230 is fixedly connected with depression bar 250, therefore pass through the rotation of first connecting rod 220, it is possible to achieve
The displacement of second connecting rod 230, and then the change that depression bar 250 is oppositely oriented the distance between the axis of disk 200 is realized, make this general
Type oil seal pressing instrument can be pressed to various sizes of oil sealing 700.
It is understood that in order to ensure the uniformity of the stress during press fitting of oil sealing 700, the quantity of rotational structure can
It is multiple to have, and multiple rotational structures are circumferentially uniformly distributed centered on the axis of positioning disk 200, in the present embodiment, preferably
, the quantity of rotational structure is three, it is possible thereby to be pressed by three depression bars 250 to oil sealing 700 simultaneously, be ensure that
Apply the uniformity of pressure assembling force to oil sealing 700.
Specifically, as shown in figure 4, chute 260 can be provided with positioning disk 200, and chute 260 is with positioning disk 200
Radial centered on axis, the one end being slidably connected on second connecting rod 230 with positioning disk 200 is fixedly installed and chute 260
The guide protrusions 231 being slidably connected, are provided with external screw thread in guide protrusions 231, guide protrusions 231 pass through after chute 260 with spiral shell
Mother is fixedly connected；After employee is adjusted by rotating adjustment disk 210 to the position of depression bar 250, guide protrusions 231 can be passed through
Second connecting rod 230 is locked on positioning disk 200 by the cooperation with nut, it is therefore prevented that depression bar 250 is subjected to displacement during press fitting.
The position of depression bar 250 is adjusted for the ease of employee, graduated scale 261 can be provided with the edge of chute 260, the quarter
Matching setting can be carried out according to the different size of oil sealing 700 by spending chi 261, i.e., can according to the specification of oil sealing 700 to be pressed
To quickly find corresponding graduation position on graduated scale 261, adjustment of the employee to depression bar 250 is thereby facilitating, improves pressure
Fill efficiency.Wherein, the scale on graduated scale 261 can be the different of specific numeric dimensions or various oil sealings 700
Specifications and models, concrete form can be designed according to being actually needed.
Further, as shown in figure 3, being fixedly installed stop collar 240 on depression bar 250, first connecting rod 220 and second connecting rod
230 are connected to the both sides of stop collar 240 respectively, so as to provide support to first connecting rod 220 and second connecting rod 230, ensure
Stability of two connecting rods in motion process.
Further, as shown in figure 1, the universal oil seal pressing instrument also includes back-moving spring 400, back-moving spring 400
It is set on the axis of guide 110, and one end of back-moving spring 400 is supported on locating piece 120, the other end of back-moving spring 400 supports
Withstand on sleeve pipe 211.After the completion of press fitting, boosting mechanism stops providing power, can now pass through the effect of back-moving spring 400
Press fitting sleeve is set to automatically restore to initial position, in order to carry out the press fitting of next oil sealing 700.
Specifically, as shown in fig. 6, boosting mechanism includes housing 300, slided in housing 300 and be provided with baffle plate 320, kept off
Plate 320 is fixed and is set on the axis of guide 110, and the side on housing 300 close to sleeve pipe 211 is provided with air inlet 310, i.e. air inlet
Mouthfuls 310 can by gas charged pressure chamber 340, wherein, air inlet 310 may be coupled on air compressor.Specifically, exist
After oil sealing 700 is aligned with press fitting station, start air compressor, make in compressed air charged pressure chamber 340, due to baffle plate
320 are fixed on the axis of guide 110, and support base 100 is supported in the supporting construction on station all the time by manpower pressing, therefore baffle plate
320 is fixed, and as the increase of pressure in pressure chamber 340, the opposing flaps 320 of housing 300 slide, and then promote pressure
It is sleeved to be moved to the opening position of oil sealing 700, therefore, by setting boosting mechanism, it be can be achieved without being beaten by manpower to oil
The press fitting of envelope 700, the labor intensity of employee is effectively saved, improve press fitting efficiency and press fitting precision.
It is understood that as shown in fig. 6, in order to ensure smoothly slide between housing 300 and baffle plate 320, simultaneously
Prevent compressed air from largely being leaked from baffle plate 320 and the cooperation position of housing 300 again, therefore in the present embodiment, the week of baffle plate 320
Oil groove 321 can be provided with to direction, to store fluid, makes to realize sealing by fluid between baffle plate 320 and housing 300, by
This had both reduced the resistance slided between housing 300 and baffle plate 320, in turn ensure that the sealing of pressure chamber 340.Certainly, in order to
Ensure sealing, sealing ring can be also embedded in oil groove 321 to substitute fluid, but the motion of baffle plate 320 can be given using sealing ring
Larger resistance is caused, therefore in the present embodiment, it is preferred to use fluid is sealed, while can reduce resistance to sliding.
Further, as shown in figure 1, remotely located piece 120 one end is fixedly installed stud 111 on the axis of guide 110, gear
Plate 320 is fixed and is set on stud 111, and the screwed hole coordinated with stud 111, handle 600 and the axis of guide are provided with handle 600
It is pressed on baffle plate 320 after 110 threaded connections, so as to be easy to the dismounting of support base 100, facilitates to press fitting sleeve more
Change.Wherein, the diameter of stud 111 is less than the diameter of the axis of guide 110, and baffle plate 320 can be connected to after being set on stud 111 and lead
To on axle 110, the fixation reliability to baffle plate 320 is thereby ensured that.
In order to further improve the fixing intensity between the axis of guide 110, handle 600 and baffle plate 320, as shown in fig. 6, should
Universal oil seal pressing instrument can also include clamp nut 330, and the clamp nut 330 is fixed and is set on stud 111, and tightly
Gu the end face of nut 330 is pressed on baffle plate 320, the other end of clamp nut 330 abuts with handle 600.
Specifically, as shown in Fig. 2 locating piece 120 includes supporting section 121 and guide section 122, the diameter of guide section 122 is small
In the diameter of supporting section 121, retainer plate 500, which is removably secured, to be set on guide section 122.Wherein, retainer plate 500 is with being oriented to
Can be interference fit between section 122, and the magnitude of interference is smaller, in order to the disassembling, assembling and replacing to retainer plate 500.
Specifically, guide section 122 can also be magnetic material, thus without mistake between retainer plate 500 and guide section 122
It is full of cooperation, you can the fixation between retainer plate 500 and guide section 122 is realized by magnetic absorption, further facilitated to fixation
The disassembling, assembling and replacing of circle 500.
Further, reference picture 2 and Fig. 5, in order to prevent retainer plate 500 from being rotated on guide section 122, oil sealing 700 is caused
Rotated in installation process with retainer plate 500 and influence installation quality, ground also for preventing retainer plate 500 from rotating for a long time
Damage, neck 123 can be provided with guide section 122, the spacing preiection 510 coordinated with neck 123 is provided with retainer plate 500.
It is understood that as shown in figure 5, it is set to for the ease of 700 sets by oil sealing on retainer plate 500 in retainer plate 500
On can be provided with ramp down angle.
Universal oil seal pressing instrument provided in an embodiment of the present invention, passes through matching somebody with somebody for support base, retainer plate and press-loading device
Close, realize the versatility of the oil seal pressing instrument, and by setting boosting mechanism, instead of and utilize rubber hammer in the prior art
The modes such as dress are pounded, save manpower；In addition, by setting rotational structure, the oil seal pressing instrument need not be dismantled by realizing
The adjustment for being pressed region to depression bar is realized, employee's operation is facilitated, improves press fitting efficiency.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention
Want made change, or be revised as the equivalent embodiment of equivalent variations, when still without departing from specification and illustrating covered spirit,
All should be within the scope of the present invention.
Claims (10)
- A kind of 1. universal oil seal pressing instrument, it is characterised in that including：Support base, the support base include locating piece and the axis of guide, and one end of the axis of guide is fixedly connected with the locating piece；Retainer plate, the retainer plate are removably fixedly connected with the locating piece；Press-loading device, the press-loading device include positioning disk, adjustment disk and rotational structure, set are fixedly installed on the positioning disk Pipe, described sleeve pipe are slidably located on the axis of guide, and the adjustment disk is rotatablely connected with described sleeve pipe；The rotational structure bag First connecting rod, second connecting rod and depression bar are included, one end of the first connecting rod is rotatablely connected with the adjustment disk, the first connecting rod The other end and the depression bar be rotatablely connected, one end of the second connecting rod is slidably connected with the positioning disk, second company The other end of bar is fixedly connected with the depression bar；Boosting mechanism, the boosting mechanism are set on the axis of guide, and one end of the boosting mechanism is supported and led described To on disk；Handle, the handle are fixedly connected with one end away from the locating piece on the axis of guide.
- 2. universal oil seal pressing instrument according to claim 1, it is characterised in that be provided with cunning on the positioning disk Groove, the chute is radial centered on the axis of the positioning disk, slides and connects with the positioning disk on the second connecting rod The one end connect is fixedly installed the guide protrusions being connected with the slide, and external screw thread, institute are provided with the guide protrusions State after guide protrusions pass through the chute and be fixedly connected with nut.
- 3. universal oil seal pressing instrument according to claim 2, it is characterised in that the edge of the chute is provided with quarter Spend chi.
- 4. universal oil seal pressing instrument according to claim 3, it is characterised in that be fixedly installed on the depression bar limited Position set, the first connecting rod and the second connecting rod are connected to the both sides of the stop collar respectively.
- 5. the universal oil seal pressing instrument according to claim any one of 1-4, it is characterised in that the rotational structure Quantity has multiple, and multiple rotational structures are circumferentially uniformly distributed centered on the axis of the positioning disk.
- 6. universal oil seal pressing instrument according to claim 5, it is characterised in that described multiple also including back-moving spring Position spring is set on the axis of guide, and one end of the back-moving spring is supported on the locating piece, the back-moving spring The other end support in described sleeve pipe.
- 7. universal oil seal pressing instrument according to claim 6, it is characterised in that the boosting mechanism includes housing, Slided in the housing and be provided with baffle plate, the baffle plate is fixed and is set on the axis of guide, close to the set on the housing The side of pipe is provided with air inlet.
- 8. universal oil seal pressing instrument according to claim 7, it is characterised in that away from described fixed on the axis of guide One end of position block is fixedly installed stud, and the baffle plate is fixed and is set on the stud, be provided with the handle with it is described The screwed hole that stud coordinates, the handle are pressed on after being threadedly coupled with the axis of guide on the baffle plate.
- 9. universal oil seal pressing instrument according to claim 1, it is characterised in that the locating piece include supporting section and Guide section, the diameter of the guide section are less than the diameter of the supporting section, the retainer plate be removably secured be set in it is described On guide section.
- 10. universal oil seal pressing instrument according to claim 9, it is characterised in that the guide section is magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712887.0A CN107471147A (en) | 2017-08-18 | 2017-08-18 | Universal oil seal pressing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712887.0A CN107471147A (en) | 2017-08-18 | 2017-08-18 | Universal oil seal pressing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107471147A true CN107471147A (en) | 2017-12-15 |
Family
ID=60600898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710712887.0A Pending CN107471147A (en) | 2017-08-18 | 2017-08-18 | Universal oil seal pressing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107471147A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436831A (en) * | 2018-06-29 | 2018-08-24 | 广西玉柴机器股份有限公司 | A kind of relocatable pressure head of valve oil seal |
| CN111267033A (en) * | 2020-03-24 | 2020-06-12 | 北京汽车集团越野车有限公司 | Framework oil seal dismounting device |
| CN114102511A (en) * | 2021-12-09 | 2022-03-01 | 重庆磐谷动力技术有限公司 | Engine oil seal mounting tool and using method |
| CN114337126A (en) * | 2021-12-10 | 2022-04-12 | 安徽皖南新维电机有限公司 | Oil seal press-in tool after motor complete machine assembly |
| CN115008411A (en) * | 2022-04-26 | 2022-09-06 | 江铃汽车股份有限公司 | Bowl-shaped plug assembly tool |
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| CN105058305A (en) * | 2015-08-13 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Mounting tool for crankshaft rear oil seal |
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| CN205290821U (en) * | 2015-12-18 | 2016-06-08 | 潍柴动力股份有限公司 | Back oil blanket mounting tool |
| CN206029748U (en) * | 2016-08-30 | 2017-03-22 | 重庆液动科技有限公司 | Pneumatic pull -out ware |
| CN206200873U (en) * | 2016-11-11 | 2017-05-31 | 北京福田康明斯发动机有限公司 | Oil seal for crankshaft of engine installation tool |
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| US20160082578A1 (en) * | 2014-09-18 | 2016-03-24 | Randy L. Stepp | Puller |
| CN105058305A (en) * | 2015-08-13 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Mounting tool for crankshaft rear oil seal |
| CN205290821U (en) * | 2015-12-18 | 2016-06-08 | 潍柴动力股份有限公司 | Back oil blanket mounting tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436831A (en) * | 2018-06-29 | 2018-08-24 | 广西玉柴机器股份有限公司 | A kind of relocatable pressure head of valve oil seal |
| CN108436831B (en) * | 2018-06-29 | 2023-08-01 | 广西玉柴机器股份有限公司 | Floatable valve oil seal pressure head |
| CN111267033A (en) * | 2020-03-24 | 2020-06-12 | 北京汽车集团越野车有限公司 | Framework oil seal dismounting device |
| CN114102511A (en) * | 2021-12-09 | 2022-03-01 | 重庆磐谷动力技术有限公司 | Engine oil seal mounting tool and using method |
| CN114337126A (en) * | 2021-12-10 | 2022-04-12 | 安徽皖南新维电机有限公司 | Oil seal press-in tool after motor complete machine assembly |
| CN114337126B (en) * | 2021-12-10 | 2023-08-04 | 安徽皖南新维电机有限公司 | Oil seal pressing tool after motor complete machine assembly |
| CN115008411A (en) * | 2022-04-26 | 2022-09-06 | 江铃汽车股份有限公司 | Bowl-shaped plug assembly tool |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |