CN213236189U - High-response two-way cartridge valve - Google Patents
High-response two-way cartridge valve Download PDFInfo
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- CN213236189U CN213236189U CN202021884995.XU CN202021884995U CN213236189U CN 213236189 U CN213236189 U CN 213236189U CN 202021884995 U CN202021884995 U CN 202021884995U CN 213236189 U CN213236189 U CN 213236189U
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- valve
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- oil
- oil cavity
- valve core
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Abstract
The utility model relates to a high-response two-way cartridge valve, which comprises a valve seat and a main valve body arranged on the valve seat, wherein the main valve body comprises a valve sleeve and a dynamic valve core arranged in the valve sleeve, an oil cavity is formed between the dynamic valve core and the valve sleeve, the outer side of the dynamic valve core is provided with a separating part which separates the oil cavity into a first dynamic oil cavity and a second dynamic oil cavity, the valve seat is provided with a first oil channel and a second oil channel which are respectively connected with the first dynamic oil cavity and the second dynamic oil cavity, the valve seat is provided with an electromagnetic directional valve for controlling the oil inlet or the oil outlet of the first oil channel and the second oil channel, the oil pressure in the first dynamic oil cavity and the second dynamic oil cavity directly acts on the separating part of the dynamic valve core, thus the dynamic valve core can move up and down under the action of the oil pressure difference, the pressure does not need to be applied to other positions of the dynamic valve core, and the direct control of the motion of the dynamic, the overall response speed of the equipment is improved.
Description
Technical Field
The utility model discloses hydrovalve equipment technical field, concretely relates to two-way cartridge valve of high response.
Background
As shown in fig. 1 and 2, the communication or closing state of the conventional two-way cartridge valve is realized by the movement of the dynamic valve core 22a in the valve sleeve 21a, when the two-way cartridge valve needs to enter the communication state, the inner side (position C) of the dynamic valve core 22a is decompressed, and pressure needs to be increased at two ports (position A, B) to push the dynamic valve core 22a to move upwards, so that the two ports on the valve sleeve 21a are communicated; when the two-way cartridge valve needs to enter the closed state, the inner side of the dynamic spool 22a is pressurized, and pressure needs to be reduced at two through ports to push the dynamic spool 22a to move downwards, so that the response speed of the dynamic spool 22a is slow.
Therefore, further improvements are needed.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a two-way cartridge valve of high response, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
a high-response two-way cartridge valve comprises a valve seat and a main valve body arranged on the valve seat, wherein the main valve body comprises a valve sleeve and a dynamic valve core arranged in the valve sleeve, an oil cavity is formed between the dynamic valve core and the valve sleeve, a separating part is arranged on the outer side of the dynamic valve core, the separating part separates the oil cavity into a first dynamic oil cavity and a second dynamic oil cavity, a first oil channel and a second oil channel which are respectively connected with the first dynamic oil cavity and the second dynamic oil cavity are arranged on the valve seat, and an electromagnetic directional valve used for controlling the oil inlet or oil outlet states of the first oil channel and the second oil channel is arranged on the valve seat.
The valve sleeve is provided with a first through hole and a second through hole, and the dynamic valve core moves back and forth in the valve sleeve to enable the first through hole and the second through hole to be communicated or separated.
A first sealing ring is arranged between the separation part and the valve sleeve.
And a second sealing ring is arranged between the main body of the dynamic valve core and the valve sleeve.
And a return spring is arranged between one side of the dynamic valve core, which is close to the valve seat, and the valve seat.
And the dynamic valve core is provided with a spring groove corresponding to the reset spring.
The utility model has the advantages that:
the oil pressure in the first dynamic oil cavity and the second dynamic oil cavity directly acts on the separating part of the dynamic valve core, so that the dynamic valve core can move in the vertical direction under the action of oil pressure difference without applying pressure to other positions of the dynamic valve core, the direct control of the movement of the dynamic valve core through the electromagnetic directional valve is realized, and the integral response speed of the equipment is improved.
Drawings
FIG. 1 is a cross-sectional view of a conventional two-way cartridge valve.
FIG. 2 is a schematic diagram of a conventional two-way cartridge valve.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 3 and 4, the high-response two-way cartridge valve includes a valve seat 1 and a main valve body disposed thereon, the main valve body includes a valve sleeve 21 and a dynamic spool 22 disposed in the valve sleeve 21, an oil cavity is formed between the dynamic spool 22 and the valve sleeve 21, a partition 221 is disposed outside the dynamic spool 22, the oil cavity is partitioned by the partition 221 to form a first dynamic oil cavity 31 and a second dynamic oil cavity 32, the valve seat 1 is provided with a first oil passage 11 and a second oil passage 12 connected to the first dynamic oil cavity 31 and the second dynamic oil cavity 32, the valve seat 1 is provided with a solenoid directional valve 3 for controlling the oil inlet or outlet states of the first oil passage 11 and the second oil passage 12, the oil pressures in the first dynamic oil cavity 31 and the second dynamic oil cavity 32 directly act on the partition 221 of the dynamic spool 22, that is to enable the dynamic spool 22 to move up and down under the action of the oil pressure difference, pressure is not required to be applied to other positions of the dynamic valve core 22, the direct control of the movement of the dynamic valve core 22 through the electromagnetic directional valve 3 is realized, and the overall response speed of the equipment is improved;
the electromagnetic directional valve 3 enables hydraulic oil to enter a first oil channel 11 or a second oil channel 12 from an oil cylinder through the electromagnetic directional valve 3 by adjusting the forward and reverse states of the electromagnetic directional valve 3, and the switching principle of the electromagnetic directional valve 3 belongs to the prior art and can be understood by persons skilled in the art;
when the two-way cartridge valve needs to enter a closed state, the electromagnetic directional valve 3 guides hydraulic oil to enter the first dynamic oil cavity 31 from the first oil passage 11, the hydraulic oil in the second dynamic oil cavity 32 leaves the second dynamic oil cavity 32 along the second oil passage 12, at this time, the oil pressure of the first dynamic oil cavity 31 is greater than the oil pressure in the second dynamic oil cavity 32, the hydraulic oil generates downward thrust on the partition part 221, and the dynamic valve core 22 moves downward integrally;
when the two-way cartridge valve needs to enter a communicating state, the electromagnetic directional valve 3 guides hydraulic oil to enter the second dynamic oil chamber 32 from the second oil passage 12, the hydraulic oil in the first dynamic oil chamber 31 leaves the first dynamic oil chamber 31 along the first oil passage 11, at this time, the oil pressure of the first dynamic oil chamber 31 is smaller than the oil pressure in the second dynamic oil chamber 32, and the hydraulic oil generates upward thrust on the partition portion 221, so that the dynamic valve core 22 moves upward integrally.
Further, the valve housing 21 is provided with a first port 211 and a second port 212, and the first port 211 and the second port 212 are communicated with or blocked by the reciprocating movement of the dynamic spool 22 in the valve housing 21.
Further, the first seal ring 41 is provided between the partition portion 221 and the valve housing 21, so that the sealing performance between the first dynamic oil chamber 31 and the second dynamic oil chamber 32 is improved, and the hydraulic oil is prevented from leaking therebetween.
Further, a second sealing ring 42 is arranged between the main body of the dynamic valve core 22 and the valve sleeve 21, so that the hydraulic oil leakage phenomenon of the dynamic valve core 22 in the movement process is prevented.
Furthermore, a return spring 5 is arranged between one side of the dynamic valve core 22 close to the valve seat 1 and the valve seat 1, so that the return speed of the dynamic valve core 22 is higher, and the response speed is improved.
Furthermore, a spring groove (not labeled in the figure) corresponding to the return spring 5 is formed in the dynamic spool 22, so that the return spring 5 is convenient to assemble and is not easy to deflect.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (6)
1. The high-response two-way cartridge valve comprises a valve seat (1) and a main valve body arranged on the valve seat, wherein the main valve body comprises a valve sleeve (21) and a dynamic valve core (22) arranged in the valve sleeve (21), and is characterized in that an oil cavity is formed between the dynamic valve core (22) and the valve sleeve (21), a separating part (221) is arranged on the outer side of the dynamic valve core (22), the oil cavity is separated by the separating part (221) to form a first dynamic oil cavity (31) and a second dynamic oil cavity (32), a first oil channel (11) and a second oil channel (12) which are respectively connected with the first dynamic oil cavity (31) and the second dynamic oil cavity (32) are arranged on the valve seat (1), and an electromagnetic directional valve (3) used for controlling the oil inlet state or the oil outlet state of the first oil channel (11) and the second oil channel (12) is arranged on the valve seat (1).
2. The high-response two-way cartridge valve of claim 1, wherein: the dynamic valve is characterized in that a first through hole (211) and a second through hole (212) are formed in the valve sleeve (21), and the dynamic valve core (22) moves back and forth in the valve sleeve (21) to enable the first through hole (211) and the second through hole (212) to be communicated or separated.
3. The high-response two-way cartridge valve of claim 1, wherein: a first sealing ring (41) is arranged between the separating part (221) and the valve sleeve (21).
4. The high-response two-way cartridge valve of claim 1, wherein: and a second sealing ring (42) is arranged between the main body of the dynamic valve core (22) and the valve sleeve (21).
5. The high-response two-way cartridge valve of any one of claims 1-4, wherein: and a return spring (5) is arranged between one side of the dynamic valve core (22) close to the valve seat (1) and the valve seat (1).
6. The high-response two-way cartridge valve of claim 5, wherein: and a spring groove corresponding to the return spring (5) is arranged on the dynamic valve core (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884995.XU CN213236189U (en) | 2020-09-01 | 2020-09-01 | High-response two-way cartridge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884995.XU CN213236189U (en) | 2020-09-01 | 2020-09-01 | High-response two-way cartridge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213236189U true CN213236189U (en) | 2021-05-18 |
Family
ID=75903979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021884995.XU Active CN213236189U (en) | 2020-09-01 | 2020-09-01 | High-response two-way cartridge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213236189U (en) |
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2020
- 2020-09-01 CN CN202021884995.XU patent/CN213236189U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 529000 Workshop on the 4th floor of Building 1, No. 90, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province (Information Declaration System) Patentee after: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. Address before: 528306 east of Changxing Industrial Zone, village 2, Haiwei neighborhood committee, Ronggui, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN JICHENG HYDRAULIC MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 529000 No. 95, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Patentee after: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. Address before: 529000 Workshop on the 4th floor of Building 1, No. 90, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province (Information Declaration System) Patentee before: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |