CN201972989U - Cover plate type three-way insertion valve - Google Patents
Cover plate type three-way insertion valve Download PDFInfo
- Publication number
- CN201972989U CN201972989U CN2011200600394U CN201120060039U CN201972989U CN 201972989 U CN201972989 U CN 201972989U CN 2011200600394 U CN2011200600394 U CN 2011200600394U CN 201120060039 U CN201120060039 U CN 201120060039U CN 201972989 U CN201972989 U CN 201972989U
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- CN
- China
- Prior art keywords
- valve
- valve cup
- sidewall
- cup
- spool post
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a cover plate type three-way insertion valve, which comprises a cover plate, a valve body, a valve cup and a valve core post, wherein the valve cup is inserted into the valve body, and the valve core post is inserted into the valve cup. The cover plate type three-way insertion valve is mainly characterized in that an oil guide passage arranged between the outer side wall of the valve cup and the inner wall of the valve body is separated into an upper passage and a lower passage, the side wall of the valve cup is provided with an upper oil hole and a lower oil hole which are respectively communicated with the upper passage and the lower passage, the side wall of the valve core post is provided with an oil hole, the oil hole arranged at the side wall of the valve core post is communicated with the lower oil hole arranged at the side wall of the valve cup when the valve core post is downwards moved to the limit position, and the oil hole arranged on the side wall of the valve core post is communicated with the upper oil hole arranged on the side wall of the valve cup when the valve core post is upwards moved to the limit position. Compared with the prior art, the cover plate type three-way insertion valve has the advantages that when the cover plate type three-way insertion valve realizes the reversing movement of a load in a hydraulic system, one insertion valve can be omitted, the structure of the hydraulic system can be simplified, and the manufacture cost and the maintenance cost of the hydraulic system can be reduced.
Description
Technical field
The utility model relates to the structure of the components and parts of hydraulic system, particularly cartridge valve.
Background technique
Existing cover-plate type cartridge valve all is a two-way plug-in valve, can only realize fluid flowing between A, B mouth.If in hydraulic system, realize the commutation campaign of load with the cartridge valve of this structure, just cartridge valve must be installed in couples, increased the complexity of hydraulic system thus.
The model utility content
The purpose of this utility model provides a kind of cover-plate type threeway cartridge valve with threeway function.
The utility model is achieved in that a kind of cover-plate type threeway cartridge valve, comprise cover plate, valve body, insert the valve cup in the valve body, insert the spool post in the valve cup, be provided with the Oil Guide passage in the spool post, leave the Oil Guide passage between the outer side wall of valve cup and the inwall of valve body, the outer side wall of valve cup is provided with the seal ring that cooperates with the inner wall sealing of valve body, the sealing ring will be separated into upper channel and lower channel at the Oil Guide passage between valve cup outer side wall and the valve interior wall, the sidewall of valve cup is provided with upper oil hole that is communicated with upper channel and the following oilhole that is communicated with lower channel, the sidewall of spool post is provided with oilhole, Oil Guide channel connection in this oilhole and the spool post, when the spool post is moved downward to limit position, the oilhole of spool post sidewall is communicated with the following oilhole of valve cup sidewall, and the upper oil hole of valve cup sidewall is by the outer wall shutoff of spool post, when the spool post is moved upward to limit position, the oilhole of spool post sidewall is communicated with the upper oil hole of valve cup sidewall, and the following oilhole of valve cup sidewall is by the outer wall shutoff of spool post.
The utility model can also adopt following attached technological scheme:
Described can be with the spool column outer wall of the upper oil hole shutoff of valve cup sidewall, and describedly the spool column outer wall of the following oilhole shutoff of valve cup sidewall can be had following structure: embedding at the outer wall of spool post has a plurality of seal rings, and described seal ring closely contacts with the madial wall of valve cup.
The utility model has the advantages that: because the Oil Guide passage in the valve body is divided into upper channel and lower channel, and the Oil Guide passage in the spool post can be communicated with upper channel and lower channel on alternative ground, so the utility model has been realized the threeway function.Compared with prior art, if this cover-plate type threeway cartridge valve that provides with the utility model is realized the commutation campaign of load in hydraulic system, then can save a cartridge valve, simplify the structure of hydraulic system thus, reduce the manufacturing and the maintenance cost of hydraulic system.
Description of drawings:
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the schematic representation of the spool post among Fig. 1 when being moved upward to limit position.
Embodiment
Referring to Fig. 1, in the embodiment that the utility model provides, cover-plate type threeway cartridge valve comprises cover plate 1, valve body 2, inserts the valve cup 3 in the valve body 2, the spool post 4 in the insertion valve cup 3.Be provided with Oil Guide passage 5 in the spool post 4, Oil Guide passage 5 axially runs through spool post 4.
The outer side wall of valve cup 3 is provided with the seal ring 6 that cooperates with the inner wall sealing of valve body 2, and seal ring 6 is separated into upper channel 7 and lower channel 8 with the Oil Guide passage between the inwall of the outer side wall of valve cup 3 and valve body 2.The sidewall of valve cup 3 is provided with upper oil hole 9 that is communicated with upper channel 7 and the following oilhole 10 that is communicated with lower channel 8.Upper oil hole 9 and following oilhole 10 all radially run through valve cup 3.
The sidewall of spool post 4 is provided with oilhole 11, and oilhole 11 radially runs through spool post 4 and is communicated with Oil Guide passage 5 in the spool post 4.When spool post 4 is moved downward to limit position, that is when position shown in Figure 1, the oilhole 11 of spool post sidewall is communicated with the following oilhole 10 of valve cup sidewall, and the upper oil hole 9 of valve cup sidewall is by the outer wall shutoff of spool post 4, at this moment, passage A in the valve body 2 just can and can only be communicated to the lower channel 8 between valve cup outer side wall and the valve interior wall by Oil Guide passage 5, the oilhole 11 of spool post sidewall and the following oilhole 10 of valve cup sidewall in the spool post 4; When spool post 4 is moved upward to limit position, that is when position shown in Figure 2, the oilhole 11 of spool post sidewall is communicated with the upper oil hole 9 of valve cup sidewall, and the following oilhole 10 of valve cup sidewall is by the outer wall shutoff of spool post 4, at this moment, passage A in the valve body 2 just can and can only be communicated to the upper channel 7 between valve cup outer side wall and the valve interior wall by Oil Guide passage 5, the oilhole 11 of spool post sidewall and the upper oil hole 9 of valve cup sidewall in the spool post 4.
As preferred forms, present embodiment has a plurality of seal rings 12 in the outer wall embedding of spool post 4, and described seal ring 12 closely contacts with the madial wall of valve cup 3.Rely on these seal rings 12, the outer wall of spool post 4 is the upper oil hole 9 and the following oilhole 10 of shutoff valve cup sidewall more reliably.
Claims (2)
1. cover-plate type threeway cartridge valve, comprise cover plate (1), valve body (2), insert the valve cup (3) in the valve body (2), insert the spool post (4) in the valve cup (3), be provided with Oil Guide passage (5) in the spool post (4), leave the Oil Guide passage between the inwall of the outer side wall of valve cup (3) and valve body (2), it is characterized in that: the outer side wall of valve cup (3) is provided with the seal ring (6) that cooperates with the inner wall sealing of valve body (2), the Oil Guide passage that sealing ring (6) will be positioned between valve cup (3) outer side wall and valve body (2) inwall is separated into upper channel (7) and lower channel (8), the sidewall of valve cup (3) is provided with upper oil hole (9) that is communicated with upper channel (7) and the following oilhole (10) that is communicated with lower channel (8), the sidewall of spool post (4) is provided with oilhole (11), Oil Guide passage (5) in this oilhole (11) and the spool post (4) is communicated with, when spool post (4) when being moved downward to limit position, the oilhole (11) of spool post (4) sidewall is communicated with the following oilhole (10) of valve cup (3) sidewall, and the upper oil hole (9) of valve cup (3) sidewall is by the outer wall shutoff of spool post (4), when spool post (4) when being moved upward to limit position, the oilhole (11) of spool post (4) sidewall is communicated with the upper oil hole (9) of valve cup (3) sidewall, and the following oilhole (10) of valve cup (3) sidewall is by the outer wall shutoff of spool post (4).
2. cover-plate type threeway cartridge valve as claimed in claim 1, it is characterized in that described can be with the spool column outer wall of upper oil hole (9) shutoff of valve cup sidewall, and describedly the spool column outer wall of following oilhole (10) shutoff of valve cup sidewall can be had following structure: embedding at the outer wall of spool post (4) has a plurality of seal rings (12), and described seal ring (12) closely contacts with the madial wall of valve cup (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600394U CN201972989U (en) | 2011-03-09 | 2011-03-09 | Cover plate type three-way insertion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600394U CN201972989U (en) | 2011-03-09 | 2011-03-09 | Cover plate type three-way insertion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972989U true CN201972989U (en) | 2011-09-14 |
Family
ID=44578092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200600394U Expired - Lifetime CN201972989U (en) | 2011-03-09 | 2011-03-09 | Cover plate type three-way insertion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927606A (en) * | 2016-06-23 | 2016-09-07 | 广东力源液压机械有限公司 | Hydraulic piling system and cartridge valve thereof |
| CN110617243A (en) * | 2018-06-20 | 2019-12-27 | 罗伯特·博世有限公司 | Pre-controlled hydraulic directional plug-in valve |
| CN110985472A (en) * | 2019-12-30 | 2020-04-10 | 广东力源液压机械有限公司 | Cartridge valve of hydraulic pile driving system and dynamic output control method thereof |
-
2011
- 2011-03-09 CN CN2011200600394U patent/CN201972989U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927606A (en) * | 2016-06-23 | 2016-09-07 | 广东力源液压机械有限公司 | Hydraulic piling system and cartridge valve thereof |
| CN110617243A (en) * | 2018-06-20 | 2019-12-27 | 罗伯特·博世有限公司 | Pre-controlled hydraulic directional plug-in valve |
| CN110985472A (en) * | 2019-12-30 | 2020-04-10 | 广东力源液压机械有限公司 | Cartridge valve of hydraulic pile driving system and dynamic output control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |