CN214945352U - Large-flow ultrahigh-pressure liquid filling valve - Google Patents
Large-flow ultrahigh-pressure liquid filling valve Download PDFInfo
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- CN214945352U CN214945352U CN202120042394.2U CN202120042394U CN214945352U CN 214945352 U CN214945352 U CN 214945352U CN 202120042394 U CN202120042394 U CN 202120042394U CN 214945352 U CN214945352 U CN 214945352U
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Abstract
The utility model discloses a large-traffic superhigh pressure prefill valve, its technical scheme main points are: the oil discharge port valve seat and the oil inlet valve seat are integrally disassembled and assembled, a piston cavity is formed in the oil discharge port valve seat, a piston is connected in the piston cavity in a sliding mode, a central shaft is fixed inside the piston, a spring is sleeved outside the central shaft, a sealing ejection block is fixed at the end part of the oil inlet valve seat, an oil inlet sealing disc matched with the sealing ejection block is sleeved outside the central shaft, a shaft shoulder integrally formed with the central shaft is arranged outside the central shaft, a sealing disc fixing nut is connected to the outside of the central shaft in a threaded mode, an end cover is fixed at the end part of the oil discharge port valve seat, a control oil port is formed in the end cover, an oil discharge port is formed in the oil discharge port valve seat, and an oil discharge port is formed in the oil inlet valve seat; the large-flow ultrahigh-pressure liquid filling valve adopts integral framework sealing, and can meet high-pressure requirements.
Description
Technical Field
The utility model relates to a valve field, in particular to large-traffic superhigh pressure prefill valve.
Background
The following problems exist with industry-related or similar products: the application pressure range is lower, the drift diameter is smaller, and the requirements of pressure intensity and flow of large-tonnage pressure equipment cannot be met.
SUMMERY OF THE UTILITY MODEL
To the problem of mentioning in the background art, the utility model aims at providing a large-traffic superhigh pressure prefill valve to solve the problem of mentioning in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a large-traffic superhigh pressure prefill valve, includes integrative oil discharge port disk seat of dismouting and oil inlet disk seat, the piston chamber has been seted up in the oil discharge port disk seat, it is connected with the piston to slide in the piston chamber, the inside center pin that is fixed with of piston, the outside cover of center pin is equipped with the spring, oil inlet disk seat end fixing has sealed kicking block, the outside cover of center pin be equipped with sealed kicking block complex oil inlet sealed dish, the outside of center pin have with center pin integrated into one piece's shaft shoulder, the outside threaded connection of center pin has sealed dish fixing nut, oil discharge port disk seat end fixing has the end cover, the control hydraulic fluid port has been seted up in the end cover, the oil discharge port has been seted up on the oil discharge port disk seat, the oil discharge port has been seted up on the oil inlet disk seat.
By adopting the technical scheme, the large-flow ultrahigh-pressure liquid filling valve adopts integral framework sealing, so that the high-pressure requirement can be met, and the large-flow requirement can be met due to the large design volume; when the hydraulic control device is used, the pressure oil can pre-compress the spring outside the central shaft through the control oil port on the end cover, the spring outside the central shaft can jack the central shaft, bidirectional conduction is realized, the requirements of ultrahigh-pressure large-flow equipment can be met, and liquid filling control is completed.
Preferably, an end cover sealing element is arranged between the end cover and the oil discharge port valve seat.
Through adopting above-mentioned technical scheme, the end cover sealing member between end cover and the oil discharge hole disk seat can improve the sealed effect between end cover and the oil discharge hole disk seat.
Preferably, a piston sealing element is arranged between the piston and the oil discharge port valve seat.
Through adopting above-mentioned technical scheme, the piston seal piece between piston and the oil discharge outlet disk seat can improve the sealed effect between piston and the oil discharge outlet disk seat.
Preferably, a central shaft and a piston seal are disposed between the piston and the central shaft.
Through adopting above-mentioned technical scheme, the leakproofness between piston and the central shaft can be improved to the central shaft between piston and the central shaft and piston seal.
Preferably, a central shaft and an oil discharge port valve seat sealing element are arranged between the central shaft and the oil discharge port valve seat.
Through adopting above-mentioned technical scheme, center pin and oil discharge outlet valve seat sealing member can improve the center pin with the leakproofness of oil discharge outlet valve seat.
Preferably, a sealing member of the oil discharge port valve seat and the oil inlet valve seat is arranged between the oil discharge port valve seat and the oil inlet valve seat.
Through adopting above-mentioned technical scheme, the leakproofness between oil drain disk seat and the oil inlet disk seat can be improved to oil drain disk seat and oil inlet disk seat sealing member.
Preferably, a sealing top block sealing element is arranged between the oil inlet valve seat and the sealing top block.
Through adopting above-mentioned technical scheme, the setting of sealed kicking block sealing member can improve the oil inlet disk seat with sealed between the kicking block.
Preferably, a sealing element for the central shaft and the oil inlet sealing disc is arranged between the central shaft and the oil inlet sealing disc.
Through adopting above-mentioned technical scheme, center pin and the sealed dish sealing member of oil inlet can improve the center pin with the leakproofness between the sealed dish of oil inlet.
Preferably, the oil outlet valve seat, the end cover and the oil inlet valve seat are fixedly connected through a plurality of screws respectively.
Through adopting above-mentioned technical scheme, can make things convenient for the connection equipment of oil discharge port disk seat and end cover and oil inlet disk seat through the mode that adopts the screw connection.
To sum up, the utility model discloses mainly have following beneficial effect:
the large-flow ultrahigh-pressure liquid filling valve adopts integral framework sealing, can meet high-pressure requirements, and can meet the large-flow requirements due to large design volume; when the hydraulic control device is used, the pressure oil can pre-compress the spring outside the central shaft through the control oil port on the end cover, the spring outside the central shaft can jack the central shaft, bidirectional conduction is realized, the requirements of ultrahigh-pressure large-flow equipment can be met, and liquid filling control is completed.
Drawings
FIG. 1 is a sectional view of the present invention;
fig. 2 is a second structural sectional view of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
Reference numerals: 1. an end cap; 2. a piston; 3. an oil discharge port valve seat; 4. an oil inlet valve seat; 5. sealing the top block; 6. an oil inlet sealing disc; 7. a nut; 8. a central shaft; 9. an end cap seal; 10. a piston seal; 11. a central shaft and piston seal; 12. the central shaft and the oil discharge port valve seat sealing element; 13. a sealing element of the oil outlet valve seat and the oil inlet valve seat; 14. sealing the top block seal; 15. the central shaft and the oil inlet seal disc sealing element.
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, fig. 2 and fig. 3, a large-traffic superhigh pressure prefill valve, including integrative oil outlet disk seat 3 and oil inlet disk seat 4 of dismouting, the piston chamber has been seted up in the oil outlet disk seat 3, it is connected with piston 2 to slide in the piston chamber, piston 2 is inside to be fixed with center pin 8, the outside cover of center pin 8 is equipped with the spring, oil inlet disk seat 4 end fixing has sealed kicking block 5, the outside cover of center pin 8 is equipped with the sealed dish 6 of oil inlet with sealed kicking block 5 complex, the outside of center pin 8 has the shaft shoulder with center pin 8 integrated into one piece, the outside threaded connection of center pin 8 has sealed dish fixed nut 7, oil outlet disk seat 3 end fixing has end cover 1, the control port has been seted up in the end cover 1, the oil discharge has been seted up on the oil outlet disk seat 3, the oil discharge has been seted up on the oil inlet disk seat 4.
Referring to fig. 1, 2 and 3, the large-flow ultrahigh-pressure prefill valve adopts integral framework sealing, can meet high-pressure requirements, and can meet large-flow requirements due to large design volume; when the hydraulic control device is used, the pressure oil can pre-compress the spring outside the central shaft 8 through the control oil port on the end cover 1, the spring outside the central shaft 8 can jack the central shaft 8, bidirectional conduction is realized, the requirements of ultrahigh pressure and large flow rate equipment can be met, and liquid filling control is completed.
Referring to fig. 1 and 2, an end cover sealing member 9 is arranged between the end cover 1 and the oil drain valve seat 3, and the end cover sealing member 9 between the end cover 1 and the oil drain valve seat 3 can improve the sealing effect between the end cover 1 and the oil drain valve seat 3; a piston sealing element 10 is arranged between the piston 2 and the oil discharge port valve seat 3, and the piston sealing element 10 between the piston 2 and the oil discharge port valve seat 3 can improve the sealing effect between the piston 2 and the oil discharge port valve seat 3; wherein a central shaft and piston sealing piece 11 is arranged between the piston 2 and the central shaft 8, and the central shaft and piston sealing piece 11 between the piston 2 and the central shaft 8 can improve the sealing performance between the piston 2 and the central shaft 8.
Referring to fig. 1 and 2, a central shaft and oil drain valve seat sealing member 12 is disposed between the central shaft 8 and the oil drain valve seat 3, and the central shaft and oil drain valve seat sealing member 12 can improve the sealing performance between the central shaft 8 and the oil drain valve seat 3; an oil discharge port valve seat and oil inlet valve seat sealing piece 13 is arranged between the oil discharge port valve seat 3 and the oil inlet valve seat 4, and the oil discharge port valve seat and oil inlet valve seat sealing piece 13 can improve the sealing property between the oil discharge port valve seat 3 and the oil inlet valve seat 4; a sealing top block sealing piece 14 is arranged between the oil inlet valve seat 4 and the sealing top block 5, and the sealing between the oil inlet valve seat 4 and the sealing top block 5 can be improved by the sealing top block sealing piece 14.
Referring to fig. 1 and 2, a central shaft and oil inlet sealing disc sealing element 15 is arranged between the central shaft 8 and the oil inlet sealing disc 6, and the central shaft and oil inlet sealing disc sealing element 15 can improve the sealing performance between the central shaft 8 and the oil inlet sealing disc 6; wherein, the oil discharge port valve seat 3 is fixedly connected with the end cover 1 and the oil inlet valve seat 4 through a plurality of screws, and the oil discharge port valve seat 3 can be conveniently connected with the end cover 1 and the oil inlet valve seat 4 by adopting the screw connection mode.
Description of the principle:
firstly, the method comprises the following steps: when the liquid filling valve is used as a one-way valve in a hydraulic system in a normal state, when the oil cylinder descends, the oil cylinder and the rack have self weights, and negative pressure is generated in the oil cylinder. A control oil port on the end cover 1 of the liquid charging valve is connected with an oil tank to be at atmospheric pressure, the pressure difference between the control oil port and the oil tank generates pressure pointing to the central shaft 8 from the end cover 1, and a spring outside the central shaft 8 is pulled to open the liquid charging valve to suck oil from the oil tank;
II, secondly: when the two-way switch is opened, pressure oil enters from a control oil port on the end cover 1 and is ejected out through the sealing ejection block 5 to realize two-way conduction, and the oil can return to an oil tank through a liquid filling valve when the oil cylinder returns.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A large-traffic superhigh pressure prefill valve which characterized in that: the oil discharge port comprises an oil discharge port valve seat (3) and an oil inlet valve seat (4) which are integrated in a dismounting manner, a piston cavity is formed in the oil discharge port valve seat (3), a piston (2) is connected in the piston cavity in a sliding manner, a central shaft (8) is fixed inside the piston (2), a spring is sleeved outside the central shaft (8), a sealing top block (5) is fixed at the end part of the oil inlet valve seat (4), an oil inlet sealing disc (6) matched with the sealing top block (5) is sleeved outside the central shaft (8), a shaft shoulder integrally formed with the central shaft (8) is arranged outside the central shaft (8), a sealing disc fixing nut (7) is connected to the external thread of the central shaft (8), an end cover (1) is fixed at the end part of the oil discharge port valve seat (3), a control oil discharge port is formed in the end cover (1), and an oil discharge port is formed in the oil discharge port valve seat (3), an oil discharge port is formed in the oil inlet valve seat (4).
2. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: an end cover sealing piece (9) is arranged between the end cover (1) and the oil discharge port valve seat (3).
3. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: and a piston sealing element (10) is arranged between the piston (2) and the oil discharge port valve seat (3).
4. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: a central shaft and a piston sealing piece (11) are arranged between the piston (2) and the central shaft (8).
5. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: and a central shaft and oil discharge port valve seat sealing piece (12) is arranged between the central shaft (8) and the oil discharge port valve seat (3).
6. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: and a sealing piece (13) of the oil outlet valve seat and the oil inlet valve seat is arranged between the oil outlet valve seat (3) and the oil inlet valve seat (4).
7. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: and a sealing top block sealing piece (14) is arranged between the oil inlet valve seat (4) and the sealing top block (5).
8. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: and a sealing element (15) of the central shaft and the oil inlet sealing disc is arranged between the central shaft (8) and the oil inlet sealing disc (6).
9. The high-flow ultrahigh-pressure prefill valve according to claim 1, wherein: the oil outlet valve seat (3) is fixedly connected with the end cover (1) and the oil inlet valve seat (4) through a plurality of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120042394.2U CN214945352U (en) | 2021-01-08 | 2021-01-08 | Large-flow ultrahigh-pressure liquid filling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120042394.2U CN214945352U (en) | 2021-01-08 | 2021-01-08 | Large-flow ultrahigh-pressure liquid filling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945352U true CN214945352U (en) | 2021-11-30 |
Family
ID=79121446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120042394.2U Active CN214945352U (en) | 2021-01-08 | 2021-01-08 | Large-flow ultrahigh-pressure liquid filling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945352U (en) |
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2021
- 2021-01-08 CN CN202120042394.2U patent/CN214945352U/en active Active
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