CN201448306U - External control through hydraulic valve - Google Patents
External control through hydraulic valve Download PDFInfo
- Publication number
- CN201448306U CN201448306U CN2009200315928U CN200920031592U CN201448306U CN 201448306 U CN201448306 U CN 201448306U CN 2009200315928 U CN2009200315928 U CN 2009200315928U CN 200920031592 U CN200920031592 U CN 200920031592U CN 201448306 U CN201448306 U CN 201448306U
- Authority
- CN
- China
- Prior art keywords
- valve
- external control
- valve seat
- spool
- cylinder
- Prior art date
- 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 - Fee Related
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses an external control through hydraulic valve, which can realize both the one-way flow and the two-way through flow of hydraulic oil. The external control through hydraulic valve comprises a valve body, a cylindrical valve chamber is arranged in the valve body, the middle part of the valve chamber is provided with a valve base, a valve core which is extruded to the valve base by a spring is arranged in the valve chamber on the left side of the valve base, the inside of the valve core is hollow, and no clearance is left on the contact surface between the valve core and the valve base. The external control through hydraulic valve is characterized in that an external control body is arranged in the valve chamber on the right side of the valve base and consists of a hollow cylinder body and a column body, wherein the right end of the cylinder body is provided with an opening, the left end of the cylinder body is closed, the left end of the column body is contacted with the valve core, the right end of the column body is fixed on the closed end face of the hollow cylinder body, the diameter of the column body is smaller than the diameter of the inner hole of the valve base, and the right end of the hollow cylinder body is arranged in the right opening of the valve body. The utility model has the advantages of simple operation and convenient use.
Description
Technical field
The utility model relates to a kind of hydrovalve, particularly a kind of hydrovalve that can make the hydraulic oil one-way flow that the two-way straight-through external control of hydraulic oil is led directly to.
Background technique
At present, common one-way valve can only unidirectional conducting, and the equipment that is connected with one-way valve often needs the one-way valve can two-way admittance in the time of need using or overhaul, often one-way valve will be taken off, but it is very inconvenient to operate, and causes waste, and is cumbersome.
Summary of the invention
For solving above technical deficiency, the utility model provides a kind of straight-through hydrovalve of external control of realizing that unidirectional conducting and two-way admittance switch mutually.
The utility model is realized by following measure:
External control of the present utility model leads directly to hydrovalve, comprise valve body, columniform valve chamber is arranged in the valve body, described valve chamber middle part is provided with valve seat, be provided with in the valve chamber in described valve seat left side by spring and be expressed to spool on the valve seat, surface of contact between described spool and the valve seat is seamless, it is characterized in that: be provided with the external control body in the valve chamber on described valve seat right side, described external control body is made up of right-end openings left end sealed hollow cylindrical body and cylinder; Described cylinder left end contact is on spool, and the right-hand member of cylinder is fixed on the cylindrical Closed End of described cavity, and the diameter of described cylinder is less than the diameter of bore of valve seat, and the cylindrical right-hand member of described cavity is positioned at the right-end openings place of valve body.
External control of the present utility model leads directly to hydrovalve, and cylindrical sidewall of described cavity and Closed End are provided with some holes that communicate with the cylindrical cavity of cavity.
External control of the present utility model leads directly to hydrovalve, and the right-hand member of described cylinder is fixed on the center of described cavity cylindrical body Closed End.
The beneficial effects of the utility model are: 1. whole valve body can realize unidirectional and conversion two-way admittance.2. load onto the external control body and oil connection is connected get final product again, simple to operate, easy to use.3. the external control body is an individual devices, can easy disassembly.4. the external control body structure is simple and easy to processing, saves cost.
Description of drawings
Fig. 1 is the sectional view of the utility model original state.
Fig. 2 is the sectional view of the utility model working state.
Among the figure: 1 valve body, 2 valve chambers, 3 valve seats, 4 springs, 5 spools, 6 cavity cylindrical bodys, 7 cylinders, 8 oil connections.
Embodiment
As Fig. 1, shown in 2, external control of the present utility model leads directly to hydrovalve, comprise valve body 1, valve body 1 constitutes the valve chamber 2 of cylinder shape inner wall, be provided with valve seat 3 in the valve chamber 2, be provided with in the valve chamber 2 in valve seat 3 left sides by spring 4 and be expressed to spool 5 on the valve seat 3, adopt common spool 5, spool 5 inside are hollow, surface of contact between spool 5 and the valve seat 3 is seamless, realize the effect of an one-way valve, but done improvement on this basis, in the valve chamber 2 on the right side of valve seat 3, adorn an external control body, said external control body is made up of cavity cylindrical body 6 and cylinder 7, the right-end openings left end sealing of cavity cylindrical body 6, cylinder 7 right-hand members are installed in the center of the Closed End of cavity cylindrical body 6, the left end contact of cylinder 7 is on spool 5, whole external control body is in that can to promote spool 5 under the promotion of external force simultaneously flexible under the effect of spring 4, be equipped with the hole that is communicated with its cavity on the sidewall of cavity cylindrical body 6 and the sealing surface, and the right-hand member of cavity cylindrical body 6 is positioned at valve body right-end openings place. also be provided with the hole that partly is connected with its inner hollow on the sidewall of spool 5, be convenient to passing through of hydraulic oil like this.
Its working principle is: when not using the external control body, only can realize the effect of one-way valve, only can make the unidirectional conducting of valve body.Load onto the external control body when adding, right-end openings at valve body 1 connects oil connection 8 again, oil connection 8 adopts the internal thread sphere, the projection of internal spiral sphere will promote the external control body and move to the left and then promote spool 5 and move to the left, spool 5 does not contact mutually with valve seat 3, the hydraulic oil that is positioned at the valve both sides will be according to the size of oil pressure to any side flow, the hollow space of spool 5 and the hole on the sidewall thereof and hollow circular cylinder and on the hole as the passage of hydraulic oil, thereby realized the bilateral of valve.
Claims (3)
1. an external control leads directly to hydrovalve, comprise valve body (1), columniform valve chamber (2) is arranged in the valve body (1), described valve chamber (2) middle part is provided with valve seat (3), be provided with in the valve chamber (2) in described valve seat (3) left side by spring (4) and be expressed to spool (5) on the valve seat (3), described spool (5) inside is hollow, surface of contact between described spool (5) and the valve seat (3) is seamless, it is characterized in that: be provided with the external control body in the valve chamber (2) on described valve seat (3) right side, described external control body is made up of right-end openings left end sealed hollow cylindrical body (6) and cylinder (7); The contact of described cylinder (7) left end is on spool (5), the right-hand member of cylinder (7) is fixed on the Closed End of described cavity cylindrical body (6), the diameter of described cylinder (7) is less than the diameter of bore of valve seat (3), and the right-hand member of described cavity cylindrical body (6) is positioned at the right-end openings place of valve body (1).
2. external control according to claim 1 leads directly to hydrovalve, it is characterized in that: the sidewall of described cavity cylindrical body (6) and Closed End are provided with the hole that cavity some and cavity cylindrical body (6) communicates.
3. external control according to claim 1 and 2 leads directly to hydrovalve, it is characterized in that: the right-hand member of described cylinder (7) is fixed on the center of described cavity cylindrical body (6) Closed End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200315928U CN201448306U (en) | 2009-08-17 | 2009-08-17 | External control through hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200315928U CN201448306U (en) | 2009-08-17 | 2009-08-17 | External control through hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448306U true CN201448306U (en) | 2010-05-05 |
Family
ID=42553020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200315928U Expired - Fee Related CN201448306U (en) | 2009-08-17 | 2009-08-17 | External control through hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448306U (en) |
-
2009
- 2009-08-17 CN CN2009200315928U patent/CN201448306U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20100817 |