CN107598830A - The method and device of O-ring seal in a kind of mounting hole - Google Patents
The method and device of O-ring seal in a kind of mounting hole Download PDFInfo
- Publication number
- CN107598830A CN107598830A CN201711045087.4A CN201711045087A CN107598830A CN 107598830 A CN107598830 A CN 107598830A CN 201711045087 A CN201711045087 A CN 201711045087A CN 107598830 A CN107598830 A CN 107598830A
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- Prior art keywords
- ring seal
- mounting hole
- apotting spindle
- sleeve
- shift fork
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 13
- 239000000446 fuel Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 210000003811 finger Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241000227287 Elliottia pyroliflora Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000005224 forefinger Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of method of O-ring seal in mounting hole, comprise the following steps：First, an apotting spindle is set to be set in its front end by O-ring seal is orientable, the apotting spindle, which is inserted in mounting hole, makes O-ring seal corresponding with the mounting groove in mounting hole；Then, the shift fork that gap insertion one between apotting spindle and mounting hole can rotate around the face of cylinder of apotting spindle, it is allowed to, completely into the mounting groove on mounting hole, take out apotting spindle, complete the installment work of O-ring seal in hole to extrude the inner ring of O-ring seal.Additionally provide a kind of device of O-ring seal in mounting hole.O-ring seal assembling, can avoid finger from directly contacting in the hole of the present invention, prevent from hindering hand, assemble steady quality, disposable successful, production efficiency is high.
Description
Technical field
The present invention relates to engine assemble field, more specifically, it relates in a kind of mounting hole O-ring seal method
And device.
Background technology
Mounting O-shaped sealing ring is manual operations at present.O-ring seal is first placed on fuel injector aperture, it is then past with forefinger
Push away, be pushed at annular groove in hole, one side of O-ring seal is pressed into annular groove, then dial a circle along annular groove with forefinger, allow O-shaped
Sealing ring is completely into annular groove.
Although existing installation method cost is relatively low, no frock expense is simple to operate.But there is O-ring seal not exclusively to enter
Enter the hidden danger of annular groove, the phenomenon that O-ring seal is trimmed easily occurs when filling copper bush of fuel injector；The sharp burr in operating process annular groove side
Easily hinder hand；O-ring seal is easily pushed through head by O-ring seal when installing, more than O-ring seal installation site (annular groove), very
To bottom hole is dropped to, now need O-ring seal to take out and reinstall, cause efficiency of assembling low；O-ring seal not exclusively enters
The hidden danger of annular groove, the phenomenon that O-ring seal is trimmed, the sharp burr in side of operating process annular groove easily occurs when filling copper bush of fuel injector
Easily hinder hand, efficiency of assembling is low.Not exclusively occur into the hidden danger of quality of annular groove, O-ring seal is easily trimmed, it is difficult to really
Protect product quality.If hand-manipulated, finger directly with the side of annular groove is sharp contacts, easy scratch finger is not safe enough, easily does
Dirty device, and need repeatedly succeed, it is difficult to ensure assembling quality, low production efficiency.
The content of the invention
The technical problem to be solved in the present invention is the above-mentioned deficiency for prior art, and an object of the present invention is to provide
It is a kind of；Simple to operate, speed is fast, avoids finger from directly contacting, and prevents from hindering hand, assembles steady quality, disposable successfully installation
The method of O-ring seal in hole.
The second object of the present invention is to provide a kind of device of O-ring seal in mounting hole.
To achieve the above object one, the invention provides a kind of method of O-ring seal in mounting hole, including following step
Suddenly：First, set an apotting spindle to be set in its front end by O-ring seal is orientable, the apotting spindle is inserted and installed
Make O-ring seal corresponding with the mounting groove in mounting hole in hole；Then, the gap insertion between apotting spindle and mounting hole
One shift fork that can be rotated around the face of cylinder of apotting spindle, is allowed to completely on mounting hole with extruding the inner ring of O-ring seal
Mounting groove in, take out apotting spindle, complete hole in O-ring seal installment work.
Further, a guide sleeve adaptable with the hole wall of mounting hole is set in the front end of the apotting spindle, in institute
State and a positioning strip adaptable with the rear end of guide sleeve is in axial direction set on the face of cylinder of apotting spindle, by O-shaped sealing
Circle is positioned on apotting spindle.
Further, the surface of revolution of the guide sleeve be from the cone structure broad in the middle gradually narrowed to both ends, it is described
Guide sleeve is interference fitted with described apotting spindle.
As a further improvement, the apotting spindle backend space coordinate be arranged an annular sleeve, shift fork is existed
Moved in a circle in annular gap between the apotting spindle and annular sleeve；The annular sleeve on the apotting spindle with determining
Position bar is connected.
Further, through the guide groove for being provided around axle center setting of jacket wall, institute on the surface of revolution of the annular sleeve
State slidable provided with the latch being connected with the shift fork in guide groove.
Further, the shift fork rear end is provided with the limited block mutually spacing with the rear end face of apotting spindle, and described is spacing
Block is provided with one handle.
To achieve the above object two, present invention also offers a kind of device of O-ring seal in mounting hole, including the positioning heart
Axle, the front end sleeve of the apotting spindle are provided with guide sleeve that can be adaptable with the hole wall of mounting hole, the cylinder of the apotting spindle
One positioning strip adaptable with the rear end of guide sleeve is in axial direction set on face, between the positioning strip and guide sleeve
On apotting spindle formed can location division corresponding with the mounting groove on mounting hole and positioning O-ring seal, the positioning
The rear end of mandrel is provided with the annular sleeve coordinated with its gap, and it is fixed that the gap between the apotting spindle and annular sleeve can be surround
What the face of cylinder of position mandrel rotated is inserted with shift fork that can be adaptable with the hole wall of mounting hole.
Further, the surface of revolution of the guide sleeve be from the cone structure broad in the middle gradually narrowed to both ends, it is described to lead
It is interference fitted to set and described apotting spindle.
As a further improvement, through the guiding for being provided around axle center setting of jacket wall on the surface of revolution of the annular sleeve
Groove, it is slidable in the guide groove to be provided with latch be connected with the shift fork, provided with being led with described on the apotting spindle
The annular groove being adapted to groove.
Further, the shift fork rear end is provided with the limited block mutually spacing with the rear end face of apotting spindle, described limit
Position block is provided with one handle.
Beneficial effect
Compared with prior art, the method and device of O-ring seal has the beneficial effect that in mounting hole of the invention：Knot
Structure design is simple, effectively eliminates O-ring seal and not exclusively occurs into the hidden danger of quality of annular groove, prevents O-ring seal to be trimmed,
Ensure product quality；Simple to operate, speed is fast, avoids finger from directly contacting, and prevents from hindering hand；Assemble steady quality, disposably into
Work(, improve production efficiency；Device it is easy to assembly, it is easy to disassemble and change frock, difference can be met by changing some parts
The O-ring seal installation of signal, applicability are good.
Brief description of the drawings
Fig. 1 is the structure top view of the device of O-ring seal in the mounting hole of the present invention；
Fig. 2 is the structure sectional view in A-A directions in Fig. 1；
Fig. 3 is the structure sectional view in B-B directions in Fig. 1；
Fig. 4 is the structure sectional view of apotting spindle in the present invention；
Fig. 5 is the schematic enlarged-scale view of annular sleeve in the present invention；
Fig. 6 is the schematic enlarged-scale view of shift fork in the present invention.
In figure：1st, apotting spindle；2nd, shift fork；3rd, annular sleeve；4th, guide sleeve；5th, positioning strip；6th, guide groove；7th, latch；8、
Limited block；9th, handle；10th, annular groove；11st, locating slot；12nd, the first counterbore screw；13rd, the second counterbore screw.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
The embodiment of the present invention is such：As shown in figures 1 to 6, in a kind of mounting hole O-ring seal method,
Comprise the following steps：First, an apotting spindle 1 is set to be set in its front end by O-ring seal is orientable, by apotting spindle 1
Make O-ring seal corresponding with the mounting groove in mounting hole in insertion mounting hole, apotting spindle 1 inserts the bottom hole of oil injector hole,
O-ring seal on apotting spindle 1 is corresponding with the mounting groove in hole；Then, the gap between apotting spindle 1 and mounting hole
Insertion one can surround the shift fork 2 that the face of cylinder of apotting spindle 1 rotates, and be allowed to extruding the inner ring of O-ring seal completely into peace
Filling in the mounting groove on hole, rotation shift fork 2 dials in O-ring seal the mounting groove in the oil injector hole of cylinder head, simple to operate,
O-ring seal installation is neat, is not in bending, tilt phenomenon, takes out apotting spindle 1, completes the installation of O-ring seal in hole
Work.
In the present embodiment, a guide sleeve 4 adaptable with the hole wall of mounting hole is set in the front end of apotting spindle 1, taken
After going out apotting spindle 1, the surface of revolution of guide sleeve 4 is extruded O-ring seal, and O-ring seal is expressed into fuel injector completely
In mounting groove in hole, ensure the accurate installation of O-ring seal；One is in axial direction set on the face of cylinder of apotting spindle 1
Adaptable positioning strip 5, O-ring seal is positioned on apotting spindle 1, the front end face of positioning strip 5 with the rear end of guide sleeve 4
The installation station corresponding with the O-ring seal mounting groove in oil injector hole is formed between the rear end face of guide sleeve 4, will be O-shaped
Sealing ring is positioned on apotting spindle 1；And the surface of positioning strip 5 can be adapted with the hole wall of mounting hole, play guide effect,
It is easy to apotting spindle 1 to insert in mounting hole, facilitates the installation of O-ring seal.
In the present embodiment, the surface of revolution of guide sleeve 4 is from the cone structure broad in the middle gradually narrowed to both ends, guide sleeve
4 are interference fitted with apotting spindle 1, and the guide sleeve 4 of cone structure is set, and are easy to O-ring seal from the front end sleeve of apotting spindle 1
Enter, when transfering to apotting spindle 1, the cone structure of the rear end of guide sleeve 4 mutually extrudes with O-ring seal, and transition is round and smooth, prevents scratch O
Type sealing ring.
In the present embodiment, apotting spindle 1 backend space coordinate be arranged an annular sleeve 3, make shift fork 2 positioning the heart
Moved in a circle in annular gap between axle 1 and annular sleeve 3, make the slow-roll stabilization of shift fork 2, contact, be easy to O-ring seal
Quickly O-ring seal is dragged in mounting groove；Annular sleeve 3 is connected with the positioning strip 5 on apotting spindle 1, makes annular sleeve 3, determines
On the apotting spindle 1 of position 5 removable connection of bar, it is conveniently replaceable, this auxiliary installation device is applied to the oil spout of different model
O-ring seal installation in device hole.
In the present embodiment, through the guide groove 6 for being provided around axle center setting of jacket wall, ring on the surface of revolution of annular sleeve 3
The radian of shape guide groove 6 is less than 360 °, is slidably provided with the latch 7 being connected with shift fork 2 in guide groove 6, makes shift fork 2 around positioning
The axial line of mandrel 1 rotates, and prevents shift fork 2 from sliding axially and exiting annular sleeve 3, makes shift fork 2 keep contradicting with O-ring seal,
Shift fork 2 is favorably improved the installment work of O-ring seal.
In the present embodiment, the rear end of shift fork 2 is provided with the limited block 8 mutually spacing with the rear end face of apotting spindle 1, limited block 8
One handle is provided with, limited block 8 positions shift fork 2, accelerates the installation of shift fork 2, prevents shift fork 2 from sliding axially, and limited block 8 is with dialling
Fork 2 is formed in one structure, is simple to manufacture, and rigidity is good, the service life length of shift fork 2；Rotated and dialled by the handle 9 being radially arranged
Fork 2 is time saving and energy saving.
In the present embodiment, in a kind of mounting hole O-ring seal device, including apotting spindle 1, before apotting spindle 1
End is arranged with guide sleeve 4 that can be adaptable with the hole wall of mounting hole, in axial direction set on the face of cylinder of apotting spindle 1 one with
The adaptable positioning strip 5 in the rear end of guide sleeve 4, being formed on the apotting spindle 1 between positioning strip 5 and guide sleeve 4 can be with peace
Mounting groove on dress hole is corresponding and positions the location division of O-ring seal, and the rear end of apotting spindle 1 is provided with and its gap
The annular sleeve 3 of cooperation, what the face of cylinder that the gap between apotting spindle 1 and annular sleeve 3 can surround apotting spindle 1 rotated plugs
There is shift fork 2 that can be adaptable with the hole wall of mounting hole.
In the present embodiment, fixed between positioning strip 5 and annular sleeve 3 by the second counterbore screw 13, at least two second
Counterbore screw 13 is arranged on positioning strip 5 along length direction, is connected firmly, easy for installation.
In the present embodiment, the locating slot 11 for being used for being embedded in positioning strip 5 is provided with apotting spindle 1, apotting spindle 1 is with determining
Fixed between the bar 5 of position by counterbore screw 12, positioning strip 5 and apotting spindle 1 are combined into a combiner, are easy to fill together
Match somebody with somebody and dismantle, accelerate operating efficiency, be readily transported, prevent parts from losing；It is provided with positioning strip 5 and accommodates the first counterbore screw
12 receiving hole.
In the present embodiment, the surface of revolution of guide sleeve 4 is from the cone structure broad in the middle gradually narrowed to both ends, guide sleeve
4 are interference fitted with apotting spindle 1, ensure that guide sleeve 4 is connected firmly with apotting spindle 1, without by parts such as screws by two
Person fixes, and ensures that the surface of guide sleeve 4 is round and smooth, prevents scratch oil injector hole.
In the present embodiment, led on the surface of revolution of annular sleeve 3 through the guide groove 6 for being provided around axle center setting of jacket wall
It is slidable into groove 6 to be provided with the latch 7 being connected with shift fork 2, the annular being adapted with guide groove 6 is provided with apotting spindle 1
Groove 10, latch 7 are inserted in annular groove 10, are easy to shift fork 2 to rotate, while can prevent annular sleeve 3 from axial displacement occurs, and design is skilful
It is wonderful, it is simple and practical, it is easy to manufacture.
In the present embodiment, the rear end of shift fork 2 is provided with the limited block 8 mutually spacing with the rear end face of apotting spindle 1, limited block 8
It is provided with one handle 9.
Concrete operation method：First O-ring seal is enclosed on apotting spindle 1, is enclosed on the guide sleeve 4 of positioning strip 5 and the conical surface
Between；Then apparatus of the present invention are inserted together with O-ring seal under the guide effect of positioning strip 5 fuel injector of cylinder head
In hole, the end face of annular sleeve 3 is bonded the fuel injector aperture end face of cylinder head, and now O-ring seal is in the oil injector hole of cylinder head
Inclined, minimum point is just among the oil injector hole annular groove of cylinder head；Then spanner handle 9 clockwise, allow shift fork 2 can be with
Moved in a circle along annular groove 10 in the annular gap between annular sleeve 3 and apotting spindle 1, O-ring seal is entirely dialled in
In the oil injector hole annular groove of cylinder head；Apparatus of the present invention are finally extracted, during extraction, using the conical surface of guide sleeve 4 O
Type sealing ring is corrected in oil injector hole annular groove.
It the above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, do not taking off
On the premise of from structure of the present invention, several modifications and improvements can also be made, these effects implemented all without the influence present invention
And practical applicability.
Claims (10)
1. a kind of method of O-ring seal in mounting hole, it is characterised in that comprise the following steps：First, an apotting spindle is set
(1) O-ring seal is set in its front end, the apotting spindle (1), which is inserted in mounting hole, to be made in O-ring seal and mounting hole
Mounting groove it is corresponding；Then, the gap insertion one in apotting spindle (1) between mounting hole can surround apotting spindle (1)
The shift fork (2) that the face of cylinder rotates, it is allowed to, completely into the mounting groove on mounting hole, take out to extrude the inner ring of O-ring seal
Apotting spindle (1), complete the installment work of O-ring seal in hole.
2. the method for O-ring seal in a kind of mounting hole according to claim 1, it is characterised in that in the positioning heart
The front end of axle (1) sets a guide sleeve (4) adaptable with the hole wall of mounting hole, on the face of cylinder of the apotting spindle (1)
One positioning strip (5) adaptable with the rear end of guide sleeve (4) is in axial direction set, O-ring seal is positioned at the positioning heart
On axle (1).
3. the method for O-ring seal in a kind of mounting hole according to claim 2, it is characterised in that the guide sleeve (4)
The surface of revolution be the guide sleeve (4) and described apotting spindle (1) mistake from the cone structure broad in the middle gradually narrowed to both ends
It is full of cooperation.
4. the method for O-ring seal in a kind of mounting hole according to claim 2, it is characterised in that in the positioning
What the backend space of mandrel (1) coordinated is arranged an annular sleeve (3), makes shift fork (2) in the apotting spindle (1) and annular sleeve (3)
Between annular gap in move in a circle；The annular sleeve (3) is connected with the positioning strip (5) on the apotting spindle (1).
5. the method for O-ring seal in a kind of mounting hole according to claim 3, it is characterised in that the annular sleeve (3)
The surface of revolution on through jacket wall the guide groove (6) for being provided around axle center setting, in the guide groove (6) it is slidable be provided with
The latch (7) of shift fork (2) connection.
6. according to the method for O-ring seal in a kind of mounting hole described in claim 1 to 5 any one, it is characterised in that
Shift fork (2) rear end is provided with the limited block (8) mutually spacing with the rear end face of apotting spindle (1), and described limited block is set on (8)
There is one handle.
7. the device of the method for O-ring seal in a kind of mounting hole realized described in claim 1, it is characterised in that including fixed
Position mandrel (1), the front end sleeve of the apotting spindle (1) is provided with guide sleeve (4) that can be adaptable with the hole wall of mounting hole, described fixed
One positioning strip (5) adaptable with the rear end of guide sleeve (4) is in axial direction set on the face of cylinder of position mandrel (1), positioned at institute
State on the apotting spindle (1) between positioning strip (5) and guide sleeve (4) formed can it is corresponding with the mounting groove on mounting hole and
The location division of O-ring seal is positioned, the rear end of the apotting spindle (1) is provided with the annular sleeve (3) coordinated with its gap, in institute
State that the gap between apotting spindle (1) and annular sleeve (3) can surround that the face of cylinder of apotting spindle (1) rotates be inserted with can be with peace
Fill the adaptable shift fork (2) of the hole wall in hole.
8. the device of O-ring seal in a kind of mounting hole according to claim 7, it is characterised in that the guide sleeve (4)
The surface of revolution be the guide sleeve (4) and described apotting spindle (1) mistake from the cone structure broad in the middle gradually narrowed to both ends
It is full of cooperation.
9. the device of O-ring seal in a kind of mounting hole according to claim 7, it is characterised in that the annular sleeve (3)
The surface of revolution on through jacket wall the guide groove (6) for being provided around axle center setting, in the guide groove (6) it is slidable be provided with
The latch (7) of shift fork (2) connection, is provided with the annular groove being adapted with the guide groove (6) on the apotting spindle (1)
(10)。
10. the device of O-ring seal in a kind of mounting hole according to claim 7 or 8 or 9, it is characterised in that described group
Fork (2) rear end is provided with the limited block (8) mutually spacing with the rear end face of apotting spindle (1), and described limited block (8) is provided with the other hand
Handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045087.4A CN107598830A (en) | 2017-10-31 | 2017-10-31 | The method and device of O-ring seal in a kind of mounting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045087.4A CN107598830A (en) | 2017-10-31 | 2017-10-31 | The method and device of O-ring seal in a kind of mounting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107598830A true CN107598830A (en) | 2018-01-19 |
Family
ID=61085562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045087.4A Pending CN107598830A (en) | 2017-10-31 | 2017-10-31 | The method and device of O-ring seal in a kind of mounting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107598830A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315462A (en) * | 2018-03-28 | 2019-10-11 | 固瑞克明尼苏达有限公司 | Tool is inserted into encapsulating for paint pump and other fluid pumps |
| CN110509208A (en) * | 2019-09-10 | 2019-11-29 | 上海沪东造船油嘴油泵有限公司 | A kind of positioning tool for pintle nozzle match-ing parts positioning pin |
| US10989306B2 (en) | 2018-03-28 | 2021-04-27 | Graco Minnesota Inc. | Packing stack carrier for paint and other fluid pumps |
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| JPH1133842A (en) * | 1997-07-25 | 1999-02-09 | Sharp Corp | O-ring installing device |
| US20130067710A1 (en) * | 2011-09-20 | 2013-03-21 | Lisle Corporation | Magnetic Pinion Shaft Seal Installation Tool |
| CN103567748A (en) * | 2013-10-12 | 2014-02-12 | 广西玉柴机器股份有限公司 | Mounting device for O type seal ring of oil injector copper sleeve of engine cylinder head |
| CN103692401A (en) * | 2013-12-19 | 2014-04-02 | 重庆布莱迪仪器仪表有限公司 | O-shaped ring sleeving device for connector |
| CN203566622U (en) * | 2013-11-14 | 2014-04-30 | 内蒙古第一机械集团有限公司 | Elastic press-fitting device of seal ring of piston |
| CN106217302A (en) * | 2016-08-25 | 2016-12-14 | 安徽六方重联机械股份有限公司 | For installing the device of cylinder holes sealing ring |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133842A (en) * | 1997-07-25 | 1999-02-09 | Sharp Corp | O-ring installing device |
| US20130067710A1 (en) * | 2011-09-20 | 2013-03-21 | Lisle Corporation | Magnetic Pinion Shaft Seal Installation Tool |
| CN103567748A (en) * | 2013-10-12 | 2014-02-12 | 广西玉柴机器股份有限公司 | Mounting device for O type seal ring of oil injector copper sleeve of engine cylinder head |
| CN203566622U (en) * | 2013-11-14 | 2014-04-30 | 内蒙古第一机械集团有限公司 | Elastic press-fitting device of seal ring of piston |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315462A (en) * | 2018-03-28 | 2019-10-11 | 固瑞克明尼苏达有限公司 | Tool is inserted into encapsulating for paint pump and other fluid pumps |
| US10989306B2 (en) | 2018-03-28 | 2021-04-27 | Graco Minnesota Inc. | Packing stack carrier for paint and other fluid pumps |
| US11458605B2 (en) | 2018-03-28 | 2022-10-04 | Graco Minnesota Inc. | Packing insertion tool for paint and other fluid pumps |
| TWI795544B (en) * | 2018-03-28 | 2023-03-11 | 美商葛萊兒明尼蘇達股份有限公司 | Packing holder, packing kit, packing insertion tool, method of installing a packing stack within a cylinder of a pump, and packing insertion kit |
| CN110509208A (en) * | 2019-09-10 | 2019-11-29 | 上海沪东造船油嘴油泵有限公司 | A kind of positioning tool for pintle nozzle match-ing parts positioning pin |
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Application publication date: 20180119 |