CN201225268Y - Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine - Google Patents
Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine Download PDFInfo
- Publication number
- CN201225268Y CN201225268Y CNU2008200681262U CN200820068126U CN201225268Y CN 201225268 Y CN201225268 Y CN 201225268Y CN U2008200681262 U CNU2008200681262 U CN U2008200681262U CN 200820068126 U CN200820068126 U CN 200820068126U CN 201225268 Y CN201225268 Y CN 201225268Y
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- piston body
- plunger rod
- seal ring
- high pressure
- steel ball
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Abstract
The utility model relates to a leakage control plunger pump of a high-pressure pouring plugging machine, which comprises a piston body (1), a supporting seat (2), a plunger rod (6), a locking nut (3), a sealing ring (4), a steel ball (9), a spring (10), an adjusting screw nut (7) and a tee fitting (17), wherein an internal thread on the adjusting screw nut (7) is screwed with an external thread on the piston body (1), and a gasket (8) is arranged between the sealing ring (4) and the adjusting screw nut (7). The utility model overcomes the defects of poor sealing effect, easy damage of the sealing ring, hard assembly and disassembly, and the like of the prior leakage control plunger pump, and has the advantages of simple structure, good sealing effect, long service life of the integral pump, and the like. The utility model also discloses a high-pressure pouring plugging machine including the leakage control plunger pump.
Description
Technical field
The utility model relates to a kind of high pressure pouring leak stopping machine seepage control plunger pump, and it also relates to a kind of high pressure pouring leak stopping machine that seepage control plunger pump is housed that comprises.
Background technique
The material of the plunger pump seal ring of existing high pressure pouring leak stopping machine is a teflon.Supporting the external diameter of seal ring with the tapped hole of adjusting plug screw, seal ring and adjust the tapped hole that plug screw is positioned at piston body, and spin by screw thread between tapped hole and seal ring and the adjustment plug screw.When seal ring was adjusted the plug screw axial compression, seal ring just produced distortion.Its internal diameter has the trend that diminishes, thereby helps the seal action to plunger rod.And its external diameter has the trend that becomes big, to the sealing at plunger rod place unfavorable (can get in the interior screw thread of tapped hole).From the seal ring that splits out, be screw thread form on its external diameter, illustrate that the material of seal ring (outer surface of former seal ring is smooth surface) has been squeezed in the interior screw thread of tapped hole.It not only influences plunger rod place sealing effect, and (sealing at plunger rod place only need make internal diameter of the seal ring diminish, promptly hold plunger rod tightly), also influence simultaneously the working life (seal ring damages easily) of seal ring, the frequency of changing seal ring is increased, and change difficulty (, being not easy to pack into and split out) because of the outer surface of seal ring has formed screw thread with the tapped hole coupling.
Summary of the invention
First purpose of the present utility model is to overcome above-mentioned existing disadvantages of background technology part, and provide a kind of high pressure pouring leak stopping machine seepage to control plunger pump, it is by changing the stressed of seal ring, solved existing plunger rod sealability, improved the working life of seal ring, and make the dismounting of seal ring convenient.
Second purpose of the present utility model is to provide a kind of high pressure pouring leak stopping machine that includes this high pressure pouring leak stopping machine seepage control plunger pump.
First purpose of the present utility model reaches by following measure: high pressure pouring leak stopping machine seepage control plunger pump, it comprises piston body 1, bearing 2, plunger rod 6, lock nut 3, seal ring 4, steel ball 9, spring 10, tee union 17, piston body 1 is fixed on bearing 2 by lock nut 3, steel ball 9 is installed on the piston body 1 conical valve port 19, spring 10 is pressed on the steel ball 9, tee union 17 is screwed in piston body 1 interior threaded hole, and while pressure spring 10, plunger rod 6 is positioned at inner chamber 18 holes of piston body 1, seal ring 4 is enclosed within on the plunger rod 6, and seal ring 4 is between plunger rod 6 and piston body 1; It is characterized in that it also comprises adjusting nut 7, interior screw thread on the described adjusting nut 7 and the outer screw thread on the piston body 1 spin, and between described seal ring 4 and the adjusting nut 7 packing ring 8 are arranged.
In technique scheme, described plunger rod 6 rearward end also have hexahedron 15, and described plunger rod 6 is an integral body with hexahedron 15.
High pressure pouring leak stopping machine, it comprises feed part 11, power input 13, motivation transfer motion part 12, power input 13 is connected with motivation transfer motion part 12, it is characterized in that it also comprises seepage control plunger pump, motivation transfer motion part 12 is connected with the plunger rod that seepage is controlled on the plunger pump, cavity in feed part 11 and the seepage control plunger pump upper bracket 2 is connected, described seepage control plunger pump comprises piston body 1, bearing 2, plunger rod 6, lock nut 3, seal ring 4, steel ball 9, spring 10, adjusting nut 7, tee union 17, piston body 1 is fixed on bearing 2 by lock nut 3, steel ball 9 is installed on the piston body 1 conical valve port 19, spring 10 is pressed on the steel ball 9, tee union 17 is screwed in piston body 1 interior threaded hole, and while pressure spring 10, plunger rod 6 is positioned at the lumen orifice 18 of piston body 1, seal ring 4 is enclosed within on the plunger rod 6, and seal ring 4 is between plunger rod 6 and piston body 1; Interior screw thread on the described adjusting nut 7 and the outer screw thread on the piston body 1 spin, and between described seal ring 4 and the adjusting nut 7 packing ring 8 are arranged.
In technique scheme, described plunger rod 6 rearward end also have hexahedron 15, and described plunger rod 6 is an integral body with hexahedron 15.
1., its deformation direction (making seal ring only to internal strain) by change seal ring (plastics) the utility model high pressure pouring leak stopping machine seepage control plunger pump has following advantage:, the utility model high pressure pouring leak stopping machine seepage control plunger pump removes the interior screw thread in the original thread hole, be modified to smooth cylindrical hole, seal ring can not outwards be out of shape, and sealing effect is more obvious.2., increase packing ring (copper material) axial force evenly is delivered on the end face of seal ring, in use also make the installation and removal of seal ring (for easily damaged parts) convenient simultaneously.3., adjusting nut changes original internal thread buckle structure into the outer screw thread structure, and conveniently adjusting nut is repeatedly regulated.4., plunger rod and hexahedron be an integral body (for integrated type processing), can improve the precision of installing, and make things convenient for installation.5. simple in structure, the good seal performance of the utility model high pressure pouring leak stopping machine, complete machine long service life.6., reduced maintenance load, reduced cost of production.
Description of drawings
Fig. 1 is existing high pressure pouring leak stopping column plug pump structure schematic representation.
Fig. 2 is the structural representation of existing high pressure pouring leak stopping machine.
Fig. 3 is the utility model high pressure pouring leak stopping machine seepage control plunger pump structural representation.
Fig. 4 is the structural representation of the utility model high pressure pouring leak stopping machine.
Fig. 5 is the enlarged view of C part among Fig. 1.
Fig. 6 is the enlarged view of D part among Fig. 3.
1. piston bodies among the figure, 2. bearing, 3. locking nut, 4. seal ring is 5. adjusted plug screw, and 6. (solid line position among the figure is the process final position to plunger rod, dotted line position is the backhaul final position), 7. adjusting nut, 8. packing ring, 9. steel ball, 10. spring, 11. the feed part, 12. motivation transfer motion parts, the input of 13. power, 14. tapped hole, 15. hexahedron, 16. cavitys (being positioned on the bearing), 17. tee unions, 18. inner chamber (being positioned on the piston body), 19. conical valve port, 20. pressure gauge connections, A. process terminal point, B. backhaul terminal point, C. the attachment portion (screw thread is arranged) of seal ring and piston body inner chamber, the attachment portion (without screw thread) of D. seal ring and piston body inner chamber, E. chamber.
Embodiment
Below in conjunction with the detailed performance of the present utility model of accompanying drawing, but they do not constitute qualification of the present utility model, only give an example, simultaneously by illustrating that advantage of the present utility model will become clear more and understand (direction among the figure shown in the arrow is the slurry travel direction) easily.
Consult Fig. 1, Fig. 2, Fig. 5 as can be known: existing high pressure pouring leak stopping column plug pump structure comprises piston body 1, bearing 2, locking nut 3, seal ring 4, adjusts plug screw 5, plunger rod 6, steel ball 9, spring 10, tee union 17.Steel ball 9 is contained on the piston body 1 conical valve port, spring 10 is pressed on the steel ball 9, tee union 17 is screwed in piston body 1 interior threaded hole, and while pressure spring 10, make spring 10 produce enough precompressions, guarantee that (spring 10, steel ball 9 have just constituted a back pressure valve with piston body 1 conical valve port 19 for the sealing of steel ball 9 and piston body 1 conical valve port.Slip in the E of work chamber will overcome the precompression of spring 10, could flow out from valve port, can not reverse flow gets back in the chamber E).Piston body 1 is to be fixed on the bearing 2, and locking nut 3 is screwed on piston body 1 outer screw thread, and is locked on the bearing 2 with piston body 1.Seal ring 4 and adjustment plug screw 5 are placed in respectively and are screwed on the tapped hole 14 of piston body 1, and plunger rod 6 is installed in the piston body 1 and passes seal ring 4 and the endoporus of adjustment plug screw 5.Bearing 2 has four bolts that they are linked to be an integral body with the casing (casing of reduction gears mechanism and connecting rod) of motivation transfer motion part 12.Feed part 11 (storing cup) is equipped with in bearing 2 upper ends, slip by from gravity by bearing 2 passage (direction of arrow downwards) and piston body 1 on upright opening flow in the airtight chamber E of piston body 1 and steel ball 9 and plunger rod 6 the inner formation.Slip pressure in chamber E slowly raises, when reaching enough the precompression that overcomes (steel ball 9) spring 10, slip will be extruded (the horizontal direction of arrow is extruded direction for the high pressure slip) from the conical valve port of steel ball 9 and piston body 1, is sent to until slip and only starches syringe needle.The connecting rod of plunger rod 6 outer end screw threads and connecting rod spins, and nut check is arranged.By the power input 13 of motor, power transmission box 12 internal gear reducing gear and connecting rods.Make power import that reduction gears mechanisms in the motoring power transmission box 12 of 13 high speed rotating slow down and connecting rod converts low-speed rotation to the straight line motion of plunger rod 6.When plunger rod 6 (crank-connecting rod backhaul) when motion backward, the space of chamber E increases gradually, and pressure reduces gradually, thereby makes the conical valve port of piston body 1 and steel ball 9 seal sternlyer under the pre-pressure of the spring effect.When plunger rod 6 moves rearwards to certain position, and plunger rod 6 interior edge faces (by chamber E end) are during slowly near the upright opening of piston body 1, slip will move backward in deadweight and plunger rod, makes and produces negative pressure (vacuum) in the chamber E gradually, and slip successfully enters among (suction) chamber E.When plunger rod 6 when (crank-connecting rod backhaul) moves to stop (crank-connecting rod backhaul to terminal point) B gradually backward, drawback movement finishes also the slip charging to be stopped.At this moment the space of chamber E reaches the slip that enters in maximum matter and the chamber E and also is maximum matter; When plunger rod 6 (crank-connecting rod working stroke) when motion forward, the space of chamber E reduces gradually, when the interior edge face of plunger rod 6 gradually behind the feeding-passage of closure piston body 1 upright opening, pressure in the chamber E also increases thereupon, when moving forward along with plunger rod 6, when the pressure in the chamber E reached the precompression that overcomes (steel ball 9) spring 10, slip will be extruded from the conical valve port and the steel ball 9 of piston body 1.When plunger rod 6 continued that (crank-connecting rod working stroke) moves to stop (the crank-connecting rod working stroke is to terminal point) A gradually forward, the slip that the space of chamber E reaches in minimum matter and the chamber E was drained.This process is exactly a reciprocation cycle of connecting rod.High pressure pouring leak stopping machine comes to this to go round and begin again and is working without cessation, and slip is squeezed into continuously only starches syringe needle.
Because the ceaselessly to-and-fro motion fast of connecting rod drive plunger rod 6, again owing to the slip pressure height in the chamber E, unavoidable high pressure slip can be taken out of along the annular gaps passage between plunger rod 6 and piston body 1, seal ring 4 and the adjustment plug screw 5.The screw thread of adjusting plug screw 5 and piston body 1 spins, and when adjusting plug screw 5 screw-ins, just directly is pressed on seal ring 4 end faces, along with the axial force increase of adjusting plug screw 5, makes seal ring 4 produce and is out of shape.Its external diameter has the trend that becomes big, but the tapped hole 14 of piston body 1 stops the external diameter of seal ring 4 to increase again; Its internal diameter has the trend that diminishes on the other hand, thereby more advantageously to the seal action of the annular gaps between plunger rod 6 and the seal ring 4.
Consult Fig. 3, Fig. 6 is as can be known: high pressure pouring leak stopping machine seepage control plunger pump, it comprises piston body 1, bearing 2, plunger rod 6, lock nut 3, seal ring 4, steel ball 9, spring 10, adjusting nut 7, tee union 17, piston body 1 is fixed on bearing 2 (also can adopt other fixed form latching ram body) by lock nut 3, steel ball 9 is installed on the piston body 1 conical valve port, spring 10 is pressed on the steel ball 9, tee union 17 is screwed in piston body 1 interior threaded hole, and while pressure spring 10, plunger rod 6 is positioned at the inner chamber 18 of piston body 1, seal ring 4 is enclosed within on the plunger rod 6, and seal ring 4 is between plunger rod 6 and piston body 1; Interior screw thread on the described adjusting nut 7 and the outer screw thread on the piston body 1 spin, and between described seal ring 4 and the adjusting nut 7 packing ring 8 are arranged.Plunger rod 6 rearward end also have hexahedron 15 (polyhedral body that also can adopt other form as: five jiaos of bodies etc.), described plunger rod 6 is an integral body with hexahedron 15.
Consult Fig. 4, Fig. 6 is as can be known: high pressure pouring leak stopping machine, it comprises feed part 11, power input 13, motivation transfer motion part 12, power input 13 is connected with motivation transfer motion part 12, it is characterized in that it also comprises seepage control plunger pump, motivation transfer motion part 12 is connected with the plunger rod that seepage is controlled on the plunger pump, cavity in feed part 11 and the high pressure pouring leak stopping machine seepage control plunger pump upper bracket 2 is connected, described seepage control plunger pump comprises piston body 1, bearing 2, plunger rod 6, lock nut 3, seal ring 4, steel ball 9, spring 10, adjusting nut 7, tee union 17, piston body 1 is fixed on bearing 2 by lock nut 3, steel ball 9 is installed on the conical valve port 19 of piston body 1, spring 10 is pressed on the steel ball 9, tee union 17 is screwed in piston body 1 interior threaded hole, and while pressure spring 10, plunger rod 6 is positioned at the inner chamber 18 of piston body 1, seal ring 4 is enclosed within on the plunger rod 6, and seal ring 4 is between plunger rod 6 and piston body 1; Interior screw thread on the described adjusting nut 7 and the outer screw thread on the piston body 1 spin, and between described seal ring 4 and the adjusting nut 7 packing ring 8 are arranged.Plunger rod 6 rearward end also have hexahedron 15, and described plunger rod 6 is an integral body with hexahedron 15.
Because connecting rod drives ceaselessly to-and-fro motion fast of plunger rod 6, again because the slip pressure height in the chamber E, unavoidable high pressure slip can be taken out of along the annular gaps passage between plunger rod 6 and piston body 1, seal ring 4, packing ring 8 endoporus.Outside thread on adjusting nut 7 and the piston body 1 spins, and when adjusting nut 7 screwed in, its axial force just was pressed on the packing ring 8 (rigid pipe), is delivered on seal ring 4 (soft) end face again.Axial force increase along with adjusting nut 7 makes seal ring 4 (soft) produce distortion.Its external diameter has the trend that becomes big, but piston body 1 smooth cylindrical hole can stop the external diameter of seal ring 4 to increase (being different from the interior threaded bore that tapped hole 14 is arranged); Its internal diameter has the trend that diminishes on the other hand, more advantageously to the seal action of the annular gaps passage between plunger rod 6 and the seal ring 4.Therefore when regulating adjusting nut 7, seal ring 4 could inwardly be held plunger rod 6 tightly and reach sealing purpose.
Claims (4)
1, high pressure pouring leak stopping machine seepage control plunger pump, it comprises piston body (1), bearing (2), plunger rod (6), lock nut (3), seal ring (4), steel ball (9), spring (10), tee union (17), piston body (1) is fixed on bearing (2) by lock nut (3), steel ball (9) is installed on the conical valve port of piston body (1) (19), spring (10) is pressed on the steel ball (9), tee union (17) is screwed in piston body (1) interior threaded hole, and while pressure spring (10), plunger rod (6) is positioned at the inner chamber (18) of piston body (1), seal ring (4) is enclosed within on the plunger rod (6), and seal ring (4) is positioned between plunger rod (6) and the piston body (1); It is characterized in that it also comprises adjusting nut (7), the outer screw thread on interior screw thread on the described adjusting nut (7) and the piston body (1) spins, and between described seal ring (4) and the adjusting nut (7) packing ring (8) is arranged.
2, high pressure pouring leak stopping machine seepage control plunger pump according to claim 1 is characterized in that described plunger rod (6) rearward end also has hexahedron (15), and described plunger rod (6) is an integral body with hexahedron (15).
3, high pressure pouring leak stopping machine, it comprises feed part (11), power input (13), motivation transfer motion part (12), power input (13) is connected with motivation transfer motion part (12), it is characterized in that it also comprises seepage control plunger pump, motivation transfer motion part (12) is connected with the plunger rod that seepage is controlled on the plunger pump, feed part (11) is controlled the interior cavity of plunger pump upper bracket (2) with high pressure pouring leak stopping machine seepage and is connected, described seepage control plunger pump comprises piston body (1), bearing (2), plunger rod (6), lock nut (3), adjusting nut (7), seal ring (4), steel ball (9), spring (10), tee union (17), piston body (1) is fixed on bearing (2) by lock nut (3), steel ball (9) is installed on the conical valve port of piston body (1) (19), spring (10) is pressed on the steel ball (9), tee union (17) is screwed in piston body (1) interior threaded hole, and while pressure spring (10), plunger rod (6) is positioned at the inner chamber (18) of piston body (1), seal ring (4) is enclosed within on the plunger rod (6), and seal ring (4) is positioned between plunger rod (6) and the piston body (1); Outer screw thread on interior screw thread on the described adjusting nut (7) and the piston body (1) spins, and between described seal ring (4) and the adjusting nut (7) packing ring (8) is arranged.
4, high pressure pouring leak stopping machine according to claim 3 is characterized in that described plunger rod (6) rearward end also has hexahedron (15), and described plunger rod (6) is an integral body with hexahedron (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200681262U CN201225268Y (en) | 2008-06-26 | 2008-06-26 | Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200681262U CN201225268Y (en) | 2008-06-26 | 2008-06-26 | Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201225268Y true CN201225268Y (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200681262U Expired - Fee Related CN201225268Y (en) | 2008-06-26 | 2008-06-26 | Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201225268Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161725A (en) * | 2011-12-16 | 2013-06-19 | 东台兴业股份有限公司 | Piston-type pressure pump |
| CN109282953A (en) * | 2018-11-09 | 2019-01-29 | 成都珂睿科技有限公司 | It is a kind of for detecting the device and its test method of the interior breakthrough rate of check valve |
| CN109580117A (en) * | 2018-11-09 | 2019-04-05 | 成都珂睿科技有限公司 | A method of assessment high-pressure fluid device leakage |
-
2008
- 2008-06-26 CN CNU2008200681262U patent/CN201225268Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161725A (en) * | 2011-12-16 | 2013-06-19 | 东台兴业股份有限公司 | Piston-type pressure pump |
| CN109282953A (en) * | 2018-11-09 | 2019-01-29 | 成都珂睿科技有限公司 | It is a kind of for detecting the device and its test method of the interior breakthrough rate of check valve |
| CN109580117A (en) * | 2018-11-09 | 2019-04-05 | 成都珂睿科技有限公司 | A method of assessment high-pressure fluid device leakage |
| CN109580117B (en) * | 2018-11-09 | 2020-11-03 | 成都珂睿科技有限公司 | Method for evaluating leakage of high-pressure fluid device |
| CN109282953B (en) * | 2018-11-09 | 2023-10-27 | 成都珂睿科技有限公司 | Device for detecting internal leakage rate of one-way valve and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Du Kunwen Inventor after: Du Kunwu Inventor before: Du Kunwen Inventor before: Xin Ziqiang Inventor before: Du Kunwu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DU KUNWEN XIN ZIQIANG DU KUNWU TO: DU KUNWEN DU KUNWU |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20170626 |