CN112192499A - Installation tool and installation method for high-pressure oil pump plunger combined type O-shaped sealing ring - Google Patents
Installation tool and installation method for high-pressure oil pump plunger combined type O-shaped sealing ring Download PDFInfo
- Publication number
- CN112192499A CN112192499A CN202011200497.3A CN202011200497A CN112192499A CN 112192499 A CN112192499 A CN 112192499A CN 202011200497 A CN202011200497 A CN 202011200497A CN 112192499 A CN112192499 A CN 112192499A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- outer sleeve
- plunger
- ring
- oil pump
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000008569 process Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
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
- B25B27/0028—Tools for removing or installing seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a high-pressure oil pump plunger combined type O-shaped sealing ring mounting tool which comprises an outer sleeve, an inner conical sleeve, a cushion block and a bolt, wherein a through hole through which the bolt penetrates is formed in the center of the bottom of the outer sleeve at one end, a counter bore of the outer sleeve in the other end is in clearance fit with an outer circle at one end of the inner conical sleeve, a circle of annular presser foot extends from the other end of the outer sleeve radially inwards, and a plurality of elastic grooves with one ends communicated with the annular presser foot are axially and uniformly distributed on. The inner hole of the cylindrical body of the inner conical sleeve is in clearance fit with one end of the plunger, the cushion block is embedded into the bottom of the inner hole of the cylindrical body, the end head of one end of the plunger extending into the inner hole of the cylindrical body is abutted against the cushion block, and the inner ring or the outer ring of the combined O-shaped sealing ring is sleeved on the frustum head. The installation method comprises the steps of 1) preliminary assembly of the installation tool, 2) installation of the inner ring in the middle sealing ring groove of the plunger, and 3) installation of the inner ring in the middle sealing ring groove of the plunger. The invention ensures that the assembled combined O-shaped sealing ring is intact and improves the working reliability of the high-pressure oil pump.
Description
Technical Field
The invention relates to a combined O-shaped sealing ring installation tool of a hydraulic transmission device, in particular to a special tool and a method for installing a combined O-shaped sealing ring on a high-pressure oil pump plunger, and belongs to the technical field of hydraulic transmission device assembly.
Background
At present, a high-pressure oil pump of a diesel engine mostly adopts a plunger type structure, and a plunger (hereinafter referred to as a plunger) of the high-pressure oil pump and a combined O-shaped sealing ring on the plunger are frequently required to be replaced in actual use. The damaged combined O-shaped sealing ring is very easy to remove, and the combined O-shaped sealing ring can be smoothly removed only by cutting off. When the combined O-shaped sealing ring is installed, the combined O-shaped sealing ring and the plunger body are very easy to damage through a sharp cutting edge at the head of the plunger; even if the combined O-shaped sealing ring is reluctantly installed in the sealing ring installation groove in the middle of the plunger, the combined O-shaped sealing ring is easy to distort and deform, so that the sealing effect is poor, high pressure is difficult to build, and oil leakage occurs.
Disclosure of Invention
The invention aims to provide a combined O-shaped sealing ring installation tool and a combined O-shaped sealing ring installation method for a combined O-shaped sealing ring plunger, which have the advantages of simple structure and convenience in installation, and ensure that a combined O-shaped sealing ring is installed in a sealing ring installation groove in the middle of the plunger without damage.
The invention is realized by the following technical scheme:
a high-pressure oil pump plunger combined type O-shaped sealing ring installation tool comprises an outer sleeve, an inner conical sleeve, a cushion block and a bolt, wherein a through hole through which the bolt penetrates is formed in the center of the bottom of the outer sleeve at one end, an outer sleeve counter bore in the other end of the outer sleeve is in clearance fit with an outer circle at one end of the inner conical sleeve, a circle of annular presser foot extends from the other end of the outer sleeve radially inwards, and a plurality of elastic grooves with one ends communicated with the annular presser foot are axially and uniformly distributed on; interior toper cover one end is the frustum head, and the interior toper cover other end is the barrel-shaped body, barrel-shaped body hole and plunger one end clearance fit, and frustum head center is equipped with the screw hole that bolt other end was twisted, and the cushion embedding the bottom of barrel-shaped body hole, the plunger one end that stretches into the barrel-shaped body hole supports and leans on the cushion.
The object of the invention is further achieved by the following technical measures.
Furthermore, the other end of the outer sleeve is provided with a radial annular groove, and a fastening O-shaped sealing ring is embedded into the radial annular groove.
Furthermore, the outer diameter of the cushion block is matched with the inner hole of the cylindrical body, one end of the cushion block is provided with a bolt end positioning counter bore matched with the end of the bolt, and the other end of the cushion block is provided with a plunger end positioning counter bore matched with the end of one end of the plunger.
Further, the width A =2.5 ~ 3.5mm of annular presser foot.
Further, the taper angle of the frustum head includes a top taper angle 2 α connected to each other1And a transition taper angle 2 alpha2，2α1=13.5°～14.5°，2α2=3.5°～4.5°。
A use method of a high-pressure oil pump plunger combined type O-shaped sealing ring installation tool comprises the following steps:
1) firstly screwing one end of a bolt into a threaded hole in the center of a frustum at one end of an inner conical sleeve, extending one end of the bolt out of the threaded hole, then installing a cushion block into a cylindrical inner hole at the other end of the inner conical sleeve until one end of the bolt extends into a bolt end positioning counter hole at one end of the cushion block; inserting one end of the plunger into the inner hole of the cylindrical body at the other end of the inner conical sleeve until the end head of one end of the plunger extends into the plunger end positioning counter bore at the center of the other end of the cushion block; then, embedding the fastening O-shaped sealing ring into a radial annular groove at the other end of the outer sleeve to finish the primary assembly of the installation tool; then the inner ring of the combined O-shaped sealing ring is sleeved on the frustum head at one end of the inner conical sleeve;
2) one end of a bolt which is preliminarily assembled with the mounting tool firstly penetrates through a central hole of the annular presser foot at the other end of the outer sleeve and then penetrates out of a through hole at one end of the outer sleeve; then an operator pushes the other end of the plunger with one hand and holds one end of the outer sleeve with the other hand, and pushes the inner conical sleeve to move towards the bottom of the counter bore of the outer sleeve through the cushion block; when the frustum head at one end of the inner conical sleeve extends into the central hole of the annular presser foot at the other end of the outer sleeve, the annular presser foot reversely pushes the inner ring of the combined O-shaped sealing ring to move towards the cylindrical body at the other end of the outer sleeve along the frustum head, and simultaneously, the lower end of the cylindrical body overcomes the elasticity of the fastened O-shaped sealing ring and outwards expands; when the frustum head at one end of the inner conical sleeve completely enters the counterbore of the outer sleeve at the other end of the outer sleeve, the annular presser foot pushes the inner ring to move to the cylindrical body at the other end of the inner conical sleeve, and the inner ring continues to move towards the cylindrical body of the inner conical sleeve; when one end of the bolt extends out of the through hole at one end of the outer sleeve, the bolt can be pulled, so that the inner conical sleeve continues to move towards the direction of the bottom of the counter bore of the outer sleeve until the inner ring is separated from the cylindrical body port and moves into the sealing ring groove in the middle of the plunger; finally, the plunger is pulled out, the outer sleeve is pulled out reversely, the bolt, the inner conical sleeve and the cushion block are separated from the outer sleeve, and the inner ring installation of the combined O-shaped sealing ring is completed;
3) and (3) after the outer ring of the combined O-shaped sealing ring is sleeved on the frustum head at one end of the inner conical sleeve, repeating the process in the step 2), so that the outer ring moves into the outer side of the inner ring in the sealing ring groove in the middle of the plunger, and the installation of the combined O-shaped sealing ring is completed.
Further, when the end face of the frustum head at one end of the inner conical sleeve abuts against the bottom of the counter bore of the outer sleeve and one end of the plunger abuts against the bottom face of the cylindrical inner bore of the inner conical sleeve through the cushion block, the distance B = 0.8-1.2 mm between the end face of the annular presser foot and the annular face of the sealing ring groove in the middle of the adjacent plunger.
When the inner conical sleeve extends into the outer sleeve, the inner ring or the outer ring of the combined O-shaped sealing ring sleeved on the frustum head of the inner conical sleeve is pushed by a ring of annular presser foot at the other end of the outer sleeve to gradually move outwards along the peripheral surface of the inner conical sleeve until the combined O-shaped sealing ring falls into the sealing ring groove in the middle of the plunger piston to complete the installation of the corresponding inner ring or the corresponding outer ring of the combined O-shaped sealing ring. The combined O-shaped sealing ring has the advantages of simple structure, low manufacturing cost, simple and easy installation method, intact inner ring or outer ring of the installed combined O-shaped sealing ring, no leakage of hydraulic oil during normal operation of the high-pressure oil pump and improvement of the reliability of the operation of the high-pressure oil pump.
Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the construction of the present invention as it is used to begin installation of the inner ring of the composite O-ring seal;
FIG. 2 is a schematic view of the inner ring of the unitized O-ring having been installed into a plunger seal groove;
FIG. 3 is a schematic view of the outer race of a composite O-ring seal installed using the present invention;
fig. 4 is a schematic structural view of the installation of the combined O-ring seal completed by the invention.
Detailed Description
The present invention will be further described with reference to the drawings and the embodiment in which the inner ring 301 and the outer ring 302 of the O-ring 30 are sequentially inserted into the middle seal groove 101 of the plunger.
As shown in fig. 1 and 2, the plunger combined O-shaped seal ring mounting tool in this embodiment includes an outer sleeve 1, an inner conical sleeve 2, a cushion block 3 and a bolt 4, a through hole 11 through which an end of one end of the bolt 4 passes is formed in the center of the bottom of one end of the outer sleeve 1, an outer sleeve counterbore 12 in the other end of the outer sleeve 1 is in clearance fit with an outer circle of one end of the inner conical sleeve 2, a ring-shaped presser foot 13 extends radially inward from the other end of the outer sleeve 1, and 6 elastic grooves 14 are axially uniformly distributed on the outer peripheral surface of the outer sleeve 1. The other end of the outer sleeve is provided with a radial annular groove 15, and a fastening O-shaped sealing ring 20 is embedded in the radial annular groove 15.
One end of the inner conical sleeve 2 is a frustum head 21, the other end of the inner conical sleeve 2 is a cylindrical body 22, an inner hole 221 of the cylindrical body is in clearance fit with one end of the plunger 10, and a threaded hole 211 into which the end head of the other end of the bolt 4 is screwed is formed in the center of the frustum head 21. When the frustum head 21 at one end of the inner conical sleeve 2 extends into the annular presser foot central hole 131 at the other end of the outer sleeve, the 6 elastic grooves 14 of the outer sleeve 1 can restore the other end of the outer sleeve 1 after opening, and the fastening O-ring 20 provides extra tightening force for restoring the outer sleeve 1.
The cushion block 3 is embedded into the bottom of the cylindrical inner hole 221, the outer diameter of the cushion block 3 is matched with the cylindrical inner hole 221, one end of the cushion block 3 is provided with a bolt end positioning counter bore 31 matched with the end of the bolt 4, the other end of the cushion block is provided with a plunger end positioning counter bore 32 matched with the end of one end of the plunger 10, and the end of one end of the plunger 10 extending into the cylindrical inner hole 221 abuts against the plunger end positioning counter bore 32 of the cushion block 3.
The inner ring 301 or the outer ring 302 of the combined O-ring 30 is sleeved on the frustum head 21, the width a =3.0mm of the annular presser foot 13 of the embodiment, and the taper angle of the frustum head 21 includes the top taper angle 2 α connected with each other1And a transition taper angle 2 alpha 22 α of the present embodiment1=14.0°，2α2And 4.0 degrees, the structure is convenient for the annular pressure foot 13 to push the inner ring 301 or the outer ring 302 of the sealing ring 30 to move along the cylindrical body 22 at the other end of the inner conical sleeve 2 and be guided into the middle sealing ring groove 101 of the plunger.
A use method of a plunger combined type O-shaped sealing ring installation tool comprises the following steps:
1) firstly, screwing one end of the bolt 4 into a threaded hole 211 in the center of a frustum head 21 at one end of the inner conical sleeve 2, extending one end of the bolt 4 out of the threaded hole 211, then, installing the cushion block 3 into a cylindrical inner hole 221 at the other end of the inner conical sleeve 2 until one end of the bolt 4 extends into a bolt end center counter bore 31 at one end of the cushion block 3. And then one end of the plunger 10 is inserted into the cylindrical inner hole 221 at the other end of the inner conical sleeve 2 until the end head of one end of the plunger 10 extends into the plunger end positioning counter bore 32 at the center of the other end of the cushion block 3. And then, the fastening O-shaped sealing ring 20 is embedded into the radial annular groove 15 at the other end of the outer sleeve 1, and the primary assembly of the installation tool is completed. Then the inner ring 301 of the combined O-ring 30 is sleeved on the frustum head 21 at one end of the inner conical sleeve 2.
2) One end of the bolt 4 which is preliminarily assembled with the mounting tool firstly passes through the central hole 131 of the annular presser foot at the other end of the outer sleeve 1 and then passes through the through hole 11 at one end of the outer sleeve 1. The operator then pushes the plunger 10 with one hand and the outer sleeve 1 with the other hand, and pushes the inner tapered sleeve 2 toward the bottom of the outer sleeve counterbore 12 via the spacer 3. When the frustum head 21 at one end of the inner conical sleeve 2 extends into the annular presser foot central hole 131 at the other end of the outer sleeve 1, the annular presser foot 13 reversely pushes the inner ring 301 of the combined O-ring 30 to move along the frustum head 21 toward the cylindrical body 22 at the other end of the inner conical sleeve 2, and at the same time, the lower end of the cylindrical body 22 is opened outwards against the elasticity of the fastening O-ring 20. When the frustum head 21 at one end of the inner conical sleeve 2 completely enters the counterbore 12 of the outer sleeve at the other end of the outer sleeve 1, the annular presser foot 13 pushes the inner ring 301 to move to the cylindrical body 22 at the other end of the inner conical sleeve 2, and the inner ring 301 continues to move towards the cylindrical body 22 of the inner conical sleeve 2. When one end of the bolt 4 extends out of the through hole 11 at one end of the outer sleeve 1, the bolt 4 can be pulled, so that the inner conical sleeve 2 continues to move towards the bottom of the counterbore 12 of the outer sleeve until the inner ring 301 is separated from the port of the cylindrical body 22 and moves into the middle sealing ring groove 101 of the plunger. And finally, pulling out the plunger 10 and reversely pulling out the outer sleeve 1 to separate the bolt 4, the inner conical sleeve 2 and the cushion block 3 from the outer sleeve 1, thereby completing the installation of the inner ring 301 of the combined O-shaped sealing ring 30.
3) As shown in fig. 3 and 4, after the outer ring 302 of the O-ring 30 is fitted over the frustum head 21 at one end of the inner cone 2, the process of step 2) is repeated, so that the outer ring 302 moves into the middle seal groove 101 of the plunger outside the inner ring 301, thereby completing the installation of the O-ring 30.
As shown in fig. 4, when the end face of the frustum head 21 at one end of the inner conical sleeve 2 abuts against the bottom of the counterbore 12 of the outer sleeve, and one end of the plunger 30 abuts against the bottom of the cylindrical inner hole 221 of the inner conical sleeve 2 through the spacer 3, the distance B =1.0mm between the end face of the annular presser foot 13 and the annular face of the middle seal ring groove 301 of the adjacent plunger, so that the inner ring 301 or the outer ring 302 falls into the middle seal ring groove 301 of the plunger after being separated from the cylindrical body 22 at the other end of the inner conical sleeve 2, and the inner ring 301 or the outer ring 302 is ensured to be mounted in the combined O-shaped seal ring mounting groove 101 in the middle of the plunger.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present invention.
Claims (7)
1. The installation tool for the combined O-shaped sealing ring of the plunger of the high-pressure oil pump is characterized by comprising an outer sleeve, an inner conical sleeve, a cushion block and a bolt, wherein a through hole through which the bolt penetrates is formed in the center of the bottom of the outer sleeve at one end of the outer sleeve; interior toper cover one end is the frustum head, and the interior toper cover other end is the barrel-shaped body, barrel-shaped body hole and high-pressure oil pump plunger one end clearance fit, and frustum head center is equipped with the screw hole that the bolt other end was twisted, and the cushion embedding the bottom of barrel-shaped body hole, the high-pressure oil pump plunger one end that stretches into the barrel-shaped body hole supports and leans on the cushion.
2. The tooling for installing the O-ring of the high pressure oil pump plunger combination of claim 1 wherein the other end of the outer sleeve has a radial groove into which the fastening O-ring is inserted.
3. The high-pressure oil pump plunger combined type O-shaped sealing ring installation tool is characterized in that the width A = 2.5-3.5 mm of the annular pressure foot.
4. The tooling for installing the O-ring of the high pressure oil pump plunger combination of claim 1, wherein the center of one end of the cushion block is provided with a positioning counter bore of the bolt end, and the center of the other end of the cushion block is provided with a positioning counter bore of the plunger end.
5. The high-pressure oil pump plunger combined type O-shaped sealing ring installation tool as claimed in claim 1, wherein the taper angle of the frustum head comprises a top end taper angle 2 alpha connected with each other1And a transition taper angle 2 alpha2，2α1=13.5°～14.5°，2α2=3.5°～4.5°。
6. The installation method of the high-pressure oil pump plunger combined type O-shaped sealing ring installation tool as claimed in claim 1, characterized by comprising the following steps:
1) firstly screwing one end of a bolt into a threaded hole in the center of a frustum at one end of an inner conical sleeve, extending one end of the bolt out of the threaded hole, then installing a cushion block into a cylindrical inner hole at the other end of the inner conical sleeve until one end of the bolt extends into a bolt end positioning counter hole at one end of the cushion block; inserting one end of the high-pressure oil pump plunger into the cylindrical inner hole at the other end of the inner conical sleeve until the end head of one end of the high-pressure oil pump plunger extends into the plunger end positioning counter bore at the center of the other end of the cushion block; then, embedding the fastening O-shaped sealing ring into a radial annular groove at the other end of the outer sleeve to finish the primary assembly of the installation tool; then the inner ring of the combined O-shaped sealing ring is sleeved on the frustum head at one end of the inner conical sleeve;
2) one end of a bolt which is preliminarily assembled with the mounting tool firstly penetrates through a central hole of the annular presser foot at the other end of the outer sleeve and then penetrates out of a through hole at one end of the outer sleeve; then an operator pushes the other end of the plunger of the high-pressure oil pump by one hand and holds one end of the outer sleeve by the other hand, and pushes the inner conical sleeve to move towards the bottom of the counter bore of the outer sleeve through the cushion block; when the frustum head at one end of the inner conical sleeve extends into the central hole of the annular presser foot at the other end of the outer sleeve, the annular presser foot reversely pushes the inner ring of the combined O-shaped sealing ring to move towards the cylindrical body at the other end of the outer sleeve along the frustum head, and simultaneously, the lower end of the cylindrical body overcomes the elasticity of the fastened O-shaped sealing ring and outwards expands; when the frustum head at one end of the inner conical sleeve completely enters the counterbore of the outer sleeve at the other end of the outer sleeve, the annular presser foot pushes the inner ring to move to the cylindrical body at the other end of the inner conical sleeve, and the inner ring continues to move towards the cylindrical body of the inner conical sleeve; when one end of the bolt extends out of the through hole at one end of the outer sleeve, the bolt can be pulled, so that the inner conical sleeve continues to move towards the bottom of the counter bore of the outer sleeve until the inner ring is separated from the cylindrical body port and moves into the sealing ring groove in the middle of the plunger of the high-pressure oil pump; finally, pulling out the plunger of the high-pressure oil pump, and reversely pulling out the outer sleeve to separate the bolt, the inner conical sleeve and the cushion block from the outer sleeve, thereby completing the installation of the inner ring of the combined O-shaped sealing ring;
3) and (3) after the outer ring of the combined O-shaped sealing ring is sleeved on the frustum head at one end of the inner conical sleeve, repeating the process in the step 2), so that the outer ring moves into the outer side of the inner ring in the sealing ring groove in the middle of the high-pressure oil pump plunger, and the installation of the combined O-shaped sealing ring is completed.
7. The use method of the high-pressure oil pump plunger combined O-shaped seal ring installation tool as claimed in claim 6, wherein when the end face of the frustum at one end of the inner conical sleeve abuts against the bottom of the counter bore of the outer sleeve and one end of the high-pressure oil pump plunger abuts against the bottom of the cylindrical inner bore of the inner conical sleeve through the cushion block, the distance B = 0.8-1.2 mm between the end face of the annular presser foot and the annular face of the seal ring groove in the middle of the adjacent high-pressure oil pump plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200497.3A CN112192499B (en) | 2020-11-02 | 2020-11-02 | Mounting tool and mounting method for high-pressure oil pump plunger combined O-shaped sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200497.3A CN112192499B (en) | 2020-11-02 | 2020-11-02 | Mounting tool and mounting method for high-pressure oil pump plunger combined O-shaped sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112192499A true CN112192499A (en) | 2021-01-08 |
| CN112192499B CN112192499B (en) | 2024-04-05 |
Family
ID=74010706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011200497.3A Active CN112192499B (en) | 2020-11-02 | 2020-11-02 | Mounting tool and mounting method for high-pressure oil pump plunger combined O-shaped sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112192499B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943483A (en) * | 2021-01-26 | 2021-06-11 | 西安航天动力研究所 | Double-channel redundant sealing device of liquid rocket engine |
| CN117886097A (en) * | 2024-03-13 | 2024-04-16 | 杭州杰西嘉机械有限公司 | Oil seal feeding mechanism |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685087A (en) * | 1950-11-07 | 1952-12-31 | John Banta Parsons | A solenoid-controlled hydraulic power mechanism |
| DE9419816U1 (en) * | 1994-12-10 | 1995-02-02 | Armaturenfabrik Hermann Voss GmbH + Co, 51688 Wipperfürth | Tool for inserting a sealing ring into an annular groove on the front side of a screw-in socket |
| CN202448086U (en) * | 2011-12-31 | 2012-09-26 | 上海麦特密封件有限公司 | Mounting tool for sealing ring |
| CN203993774U (en) * | 2014-08-06 | 2014-12-10 | 瑞立集团瑞安汽车零部件有限公司 | The sealing ring assembly tool of plunger-type brake master cylinder |
| CN104368956A (en) * | 2014-11-24 | 2015-02-25 | 中船动力有限公司 | Diesel engine crankshaft coupling installation tool and method |
| CN104999417A (en) * | 2015-08-19 | 2015-10-28 | 国家电网公司 | Crank arm box seal ring assembly clamp |
| CN205521137U (en) * | 2016-01-28 | 2016-08-31 | 大连泰凯工业有限公司 | Hydraulic pressure driving lever pressurization ring installation device of whole bolt pretension machine |
| DE102015212532A1 (en) * | 2015-07-03 | 2017-01-05 | Zf Friedrichshafen Ag | Assembly tool, assembly method and use of a flexible band |
| CN207578288U (en) * | 2017-10-22 | 2018-07-06 | 西南石油大学 | A kind of precision-sleeve assembly tooling for ensureing sealing ring quality |
| CN208634375U (en) * | 2018-04-27 | 2019-03-22 | 易艾斯流体控制(苏州)有限公司 | A kind of assembly tooling of hydraulic fluid port blanking cover O-ring seals |
| CN111502978A (en) * | 2020-04-15 | 2020-08-07 | 陕西航天动力高科技股份有限公司 | Connecting device for plunger and power end of diaphragm pump |
| CN211541053U (en) * | 2020-01-16 | 2020-09-22 | 广东东晟密封科技有限公司 | Swift sectional fixture of sealing washer for hole |
| CN214055092U (en) * | 2020-11-02 | 2021-08-27 | 中船动力有限公司 | Installation tool for plunger combined O-shaped sealing ring of high-pressure oil pump |
-
2020
- 2020-11-02 CN CN202011200497.3A patent/CN112192499B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685087A (en) * | 1950-11-07 | 1952-12-31 | John Banta Parsons | A solenoid-controlled hydraulic power mechanism |
| DE9419816U1 (en) * | 1994-12-10 | 1995-02-02 | Armaturenfabrik Hermann Voss GmbH + Co, 51688 Wipperfürth | Tool for inserting a sealing ring into an annular groove on the front side of a screw-in socket |
| CN202448086U (en) * | 2011-12-31 | 2012-09-26 | 上海麦特密封件有限公司 | Mounting tool for sealing ring |
| CN203993774U (en) * | 2014-08-06 | 2014-12-10 | 瑞立集团瑞安汽车零部件有限公司 | The sealing ring assembly tool of plunger-type brake master cylinder |
| CN104368956A (en) * | 2014-11-24 | 2015-02-25 | 中船动力有限公司 | Diesel engine crankshaft coupling installation tool and method |
| DE102015212532A1 (en) * | 2015-07-03 | 2017-01-05 | Zf Friedrichshafen Ag | Assembly tool, assembly method and use of a flexible band |
| CN104999417A (en) * | 2015-08-19 | 2015-10-28 | 国家电网公司 | Crank arm box seal ring assembly clamp |
| CN205521137U (en) * | 2016-01-28 | 2016-08-31 | 大连泰凯工业有限公司 | Hydraulic pressure driving lever pressurization ring installation device of whole bolt pretension machine |
| CN207578288U (en) * | 2017-10-22 | 2018-07-06 | 西南石油大学 | A kind of precision-sleeve assembly tooling for ensureing sealing ring quality |
| CN208634375U (en) * | 2018-04-27 | 2019-03-22 | 易艾斯流体控制(苏州)有限公司 | A kind of assembly tooling of hydraulic fluid port blanking cover O-ring seals |
| CN211541053U (en) * | 2020-01-16 | 2020-09-22 | 广东东晟密封科技有限公司 | Swift sectional fixture of sealing washer for hole |
| CN111502978A (en) * | 2020-04-15 | 2020-08-07 | 陕西航天动力高科技股份有限公司 | Connecting device for plunger and power end of diaphragm pump |
| CN214055092U (en) * | 2020-11-02 | 2021-08-27 | 中船动力有限公司 | Installation tool for plunger combined O-shaped sealing ring of high-pressure oil pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943483A (en) * | 2021-01-26 | 2021-06-11 | 西安航天动力研究所 | Double-channel redundant sealing device of liquid rocket engine |
| CN117886097A (en) * | 2024-03-13 | 2024-04-16 | 杭州杰西嘉机械有限公司 | Oil seal feeding mechanism |
| CN117886097B (en) * | 2024-03-13 | 2024-06-21 | 浙江杰西嘉传动有限公司 | Oil seal feeding mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112192499B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR910008238B1 (en) | Hose fitting | |
| US3140106A (en) | Lip seal case fitting | |
| US8007013B2 (en) | Fitting with adapted engaging surfaces | |
| CN112192499A (en) | Installation tool and installation method for high-pressure oil pump plunger combined type O-shaped sealing ring | |
| CN101952085A (en) | Reusable temporary fastening device for preassembling at least two previously perforated structural members | |
| US9903520B2 (en) | Quick coupling device for pressurized fluid | |
| EP3516202B1 (en) | Injector sleeve assembly and method for field repair procedure | |
| CN110145522B (en) | Expansion connecting piece | |
| US20010003398A1 (en) | High-pressure metal pipe having connecting head and method of forming the connecting head as well as sleeve washer for the connecting head | |
| CN203948487U (en) | A kind of adapter assembly | |
| CN214055092U (en) | Installation tool for plunger combined O-shaped sealing ring of high-pressure oil pump | |
| CN201554715U (en) | Hydraulic cylinder with split threaded guide sleeve | |
| CN205383195U (en) | Hydraulic coupler | |
| CN107336188B (en) | Special tool for mounting and dismounting throttle valve of left hydraulic actuator cylinder and right hydraulic actuator cylinder of aircraft engine | |
| CN216263910U (en) | Gear grinding clamp | |
| CN210422547U (en) | Wellhead valve is pressed and is changed and secondary seal device | |
| CN211452730U (en) | Pressure test tool for heat exchange tube | |
| JP3094203B2 (en) | Rust prevention sleeve assembly tool for branch holes | |
| JP2010094784A (en) | Bearing hydraulic nut and rolling bearing unit using the same | |
| CN216131215U (en) | Close-fitting type hydraulic fastener | |
| CN114017419B (en) | Novel oil cylinder piston rod end connection structure | |
| CN213647396U (en) | Disassembling tool | |
| CN212527586U (en) | Bearing mounting tool behind non-drive end maintenance of large-scale horizontal reation kettle | |
| CN219054247U (en) | Tool for disassembling valve seat of flat valve | |
| CN111251244B (en) | Threaded sleeve embedding tool and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |