CN217300872U - High-pressure plunger multiple sealing structure of plunger pump - Google Patents
High-pressure plunger multiple sealing structure of plunger pump Download PDFInfo
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- CN217300872U CN217300872U CN202220167710.3U CN202220167710U CN217300872U CN 217300872 U CN217300872 U CN 217300872U CN 202220167710 U CN202220167710 U CN 202220167710U CN 217300872 U CN217300872 U CN 217300872U
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Abstract
The utility model discloses a plunger pump's multiple seal structure of high pressure plunger, including the plunger, plunger one end periphery is provided with axle circlip, the plunger periphery is located axle circlip one side is provided with the thread bush, thread bush one side is provided with the oil jacket, oil jacket one side is located the plunger periphery is provided with uide bushing two, two one sides of uide bushing are provided with two support rings, between the support ring and the support ring with all be provided with seal ring between the uide bushing two. The utility model discloses can be through being connected joint and outside notes oil pipe way, can store in the deoiling groove that carries oil jacket outer wall and inner wall through-hole and lubrication oil hole with outside lubricating oil through the joint, can be when the plunger slides, for the plunger provides lubricated and cooling, can ensure more lightly of plunger motion, reduce the kinetic energy loss, the energy saving can slow down the wearing and tearing of plunger effectively.
Description
Technical Field
The utility model relates to a plunger pump field specifically is a high-pressure plunger multiple seal structure of plunger pump.
Background
Plunger pumps are an important device of hydraulic systems. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, the sealing of the plunger in the plunger pump is an important structure of the middle plunger pump, but the plunger sealing structure of the existing plunger pump has untimely supply of lubricating oil when the plunger is operated, so that the resistance is large when the plunger moves, the cooling effect is poor, the energy consumption is increased, meanwhile, when the sealing element is in sliding sealing, the sliding part is easy to wear, and the service life is short. Accordingly, those skilled in the art have provided a high-pressure plunger multiple seal structure of a plunger pump to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multiple seal structure of high-pressure plunger of plunger pump to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a multiple seal structure of high-pressure plunger of plunger pump, includes the plunger, plunger one end periphery is provided with the circlip for the axle, the plunger periphery is located circlip for the axle one side is provided with the thread bush, thread bush one side is provided with the oil jacket, oil jacket one side is located the plunger periphery is provided with uide bushing two, uide bushing two one side is provided with two support rings, between the support ring and the support ring with all be provided with seal ring between the uide bushing two, keep away from uide bushing two one side the support ring is other to be provided with and to be located the outlying uide bushing one of plunger, uide bushing two uide bushing one the oil jacket and the thread bushing periphery is provided with the seal cover, be provided with the joint on the seal cover lateral wall, the joint tip with be provided with the separation packing ring between the seal cover.
As a further aspect of the present invention: the sealing sleeve is provided with a through hole at one end of the joint, the middle part of the oil sleeve is provided with a lubricating oil hole communicated with the through hole, and the outer wall and the inner wall of the oil sleeve are provided with annular oil storage tanks at the periphery of the lubricating oil hole.
As a further aspect of the present invention: two annular seal grooves are formed in one end portion of the seal sleeve, one of the two annular seal grooves is provided with a first O-shaped seal ring, and the other seal groove is provided with a second O-shaped seal ring.
As a further aspect of the present invention: the seal cover with the thread bush passes through threaded connection, the oil jacket, uide bushing one, uide bushing two, the support ring and seal ring all block and press seal cover with between the thread bush.
As a further aspect of the present invention: the plunger and the sealing sleeve are in sliding sealing through the two sealing gaskets, the joint is in threaded connection with the sealing sleeve, and the isolation gasket is in clamping and pressing connection with the joint and the sealing sleeve.
As a further aspect of the present invention: the guide sleeve is characterized in that an extrusion protrusion is integrally formed on one side wall of the guide sleeve, the seal sleeve is positioned on one side of the guide sleeve and provided with an annular expansion groove matched with the extrusion protrusion, and the extrusion protrusion is inserted into the expansion groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can be through being connected joint and outside notes oil pipe way, can store in the deoiling groove that carries oil jacket outer wall and inner wall through-hole and lubrication oil hole with outside lubricating oil through the joint, can be when the plunger slides, for the plunger provides lubricated and cooling, can ensure more lightly of plunger motion, reduce the kinetic energy loss, the energy saving can slow down the wearing and tearing of plunger effectively.
2. The utility model discloses a set up two sets of supports cover and seal ring and provide sliding seal for the motion of plunger, simultaneously through set up the tight recess cooperation that expands on extrusion arch and the seal ring on the support cover, can realize extrudeing seal ring's periphery and inner chamber, make it closely laminate with plunger and seal cover all the time, improve sealed effect and quality, and then improve the sealing performance of plunger for high-pressure grouting pump performance is more stable, increase of service life.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a partially enlarged view of the oil jacket portion of fig. 1 according to the present invention.
In the figure: 1. a plunger; 2. a threaded sleeve; 3. an oil jacket; 301. a lubricating oil hole; 302. an oil storage tank; 4. a support ring; 401. extruding the bulge; 5. a first guide sleeve; 6. sealing sleeves; 7. a second guide sleeve; 8. a joint; 801. a through hole; 9. an isolation washer; 10. a first O-shaped sealing ring; 11. an O-shaped sealing ring II; 12. a sealing gasket; 1201. expanding the groove; 13. circlip for shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a high-pressure plunger multiple seal structure of a plunger pump includes a plunger 1, a shaft circlip 13 is disposed on a periphery of one end of the plunger 1, a thread bush 2 is disposed on a side of the shaft circlip 13 on the periphery of the plunger 1, an oil bush 3 is disposed on a side of the thread bush 2, a guide bush two 7 is disposed on a side of the oil bush 3 on the periphery of the plunger 1, two support rings 4 are disposed on a side of the guide bush two 7, seal washers 12 are disposed between the support rings 4 and the guide bush two 7, a guide bush one 5, a guide bush two 7, and a guide bush one 5 are disposed beside the support ring 4 on a side away from the guide bush two 7, the peripheries of the oil sleeve 3 and the thread sleeve 2 are provided with a sealing sleeve 6, one side wall of the sealing sleeve 6 is provided with a joint 8, and an isolation gasket 9 is arranged between the end part of the joint 8 and the sealing sleeve 6.
Wherein, the seal cover 6 is located 8 tip of joint and has seted up through-hole 801, and the lubricated oil hole 301 with through-hole 801 intercommunication is seted up at the oil jacket 3 middle part, lies in on oil jacket 3 outer wall and the inner wall that annular oil storage tank 302 has all been seted up to lubricated oil hole 301 periphery.
Through adopting above-mentioned technical scheme, can be through being connected joint 8 with outside notes oil pipe way, can store in the deoiling groove of carrying oil jacket 3 outer wall and inner wall through-hole 801 and lubricating oil hole 301 with outside lubricating oil through joint 8, can be when plunger 1 slides, for plunger 1 provides lubrication and cooling, can ensure more lightly of plunger 1 motion, reduce the kinetic energy loss, the energy saving can slow down plunger 1's wearing and tearing effectively.
Wherein, two annular seal grooves are seted up to 6 tip of seal cover, and one of them seal groove is inside to be provided with O type sealing washer one 10, and another seal groove is inside to be provided with O type sealing washer two 11, and O type sealing washer one 10 and O type sealing washer two 11 can provide sealed installation for the tip of seal cover 6 after seal cover 6 is fixed.
Wherein, seal cover 6 passes through threaded connection with thread bush 2, and oil jacket 3, uide bushing one 5, uide bushing two 7, support ring 4 and seal ring 12 all block and press between seal cover 6 and thread bush 2, and integrated into one piece has extrusion arch 401 on the 5 lateral walls of uide bushing, and seal cover 6 lies in that uide bushing one 5 side is opened and is equipped with the tight recess 1201 that expands of annular that cooperates with extrusion arch 401 to, and extrusion arch 401 inserts inside the tight recess 1201 that expands.
Through adopting above-mentioned technical scheme, provide sliding seal for plunger 1's motion through setting up two sets of support covers and seal ring 12, simultaneously through set up the protruding 401 of extrusion and the tight recess 1201 cooperation of expanding on the seal ring 12 on the support cover, can realize extrudeing seal ring 12's periphery and inner chamber, make it closely laminate with plunger 1 and seal cover 6 all the time, improve sealed effect and quality, and then improve plunger 1's sealing performance, make high pressure grouting pump performance more stable, and service life is prolonged.
Wherein, sliding seal is carried out through two seal ring 12 between plunger 1 and the seal cover 6, connects 8 and seal cover 6 and passes through threaded connection, and isolation washer 9 is connected with joint 8 and the equal card of seal cover 6 pressure, can realize the sealed between butt joint 8 and the seal cover 6, avoids the oil leak.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a multiple seal structure of high pressure plunger of plunger pump, includes plunger (1), its characterized in that: a shaft elastic check ring (13) is arranged on the periphery of one end of the plunger (1), a threaded sleeve (2) is arranged on one side, located on the shaft elastic check ring (13), of the periphery of the plunger (1), an oil sleeve (3) is arranged on one side of the threaded sleeve (2), a guide sleeve II (7) is arranged on one side, located on the periphery of the plunger (1), of the periphery of the guide sleeve II (7), two support rings (4) are arranged on one side of the guide sleeve II (7), sealing gaskets (12) are arranged between the support rings (4) and the guide sleeve II (7), a guide sleeve I (5) located on the periphery of the plunger (1) is arranged beside the support rings (4) far away from one side of the guide sleeve II (7), a sealing gasket (6) is arranged on the periphery of the guide sleeve II (7), the guide sleeve I (5), the oil sleeve (3) and the periphery of the threaded sleeve (2), a joint (8) is arranged on one side wall of the sealing sleeve (6), and an isolation gasket (9) is arranged between the end part of the joint (8) and the sealing sleeve (6).
2. The high-pressure plunger multiple seal structure of a plunger pump according to claim 1, characterized in that: the sealing sleeve (6) is positioned at one end of the joint (8) and is provided with a through hole (801), the middle of the oil sleeve (3) is provided with a lubricating oil hole (301) communicated with the through hole (801), and the outer wall and the inner wall of the oil sleeve (3) are provided with annular oil storage tanks (302) at the periphery of the lubricating oil hole (301).
3. The high-pressure plunger multiple seal structure of a plunger pump according to claim 2, characterized in that: two annular seal grooves are formed in one end of the seal sleeve (6), one of the seal grooves is internally provided with a first O-shaped seal ring (10), and the other seal groove is internally provided with a second O-shaped seal ring (11).
4. The high-pressure plunger multiple seal structure of a plunger pump according to claim 3, characterized in that: the sealing sleeve (6) is in threaded connection with the threaded sleeve (2), and the oil sleeve (3), the guide sleeve I (5), the guide sleeve II (7), the support ring (4) and the sealing washer (12) are clamped and pressed between the sealing sleeve (6) and the threaded sleeve (2).
5. The high-pressure plunger multiple seal structure of a plunger pump according to claim 4, characterized in that: the plunger (1) and the sealing sleeve (6) are in sliding sealing through two sealing gaskets (12), the joint (8) is in threaded connection with the sealing sleeve (6), and the isolation gasket (9) is in clamping and pressing connection with the joint (8) and the sealing sleeve (6).
6. The high-pressure plunger multiple seal structure of a plunger pump according to claim 1, characterized in that: an extrusion protrusion (401) is integrally formed on the side wall of the first guide sleeve (5), an annular expansion groove (1201) matched with the extrusion protrusion (401) is formed in the side, located on the first guide sleeve (5), of the sealing sleeve (6), and the extrusion protrusion (401) is inserted into the expansion groove (1201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220167710.3U CN217300872U (en) | 2022-01-21 | 2022-01-21 | High-pressure plunger multiple sealing structure of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220167710.3U CN217300872U (en) | 2022-01-21 | 2022-01-21 | High-pressure plunger multiple sealing structure of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217300872U true CN217300872U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220167710.3U Active CN217300872U (en) | 2022-01-21 | 2022-01-21 | High-pressure plunger multiple sealing structure of plunger pump |
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| CN (1) | CN217300872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696757A (en) * | 2023-08-04 | 2023-09-05 | 宁波东恩精密机械有限公司 | High-pressure plunger pump |
-
2022
- 2022-01-21 CN CN202220167710.3U patent/CN217300872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696757A (en) * | 2023-08-04 | 2023-09-05 | 宁波东恩精密机械有限公司 | High-pressure plunger pump |
| CN116696757B (en) * | 2023-08-04 | 2023-10-20 | 宁波东恩精密机械有限公司 | High-pressure plunger pump |
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