CN204213414U - A kind of integrated form one-way valve - Google Patents
A kind of integrated form one-way valve Download PDFInfo
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- CN204213414U CN204213414U CN201420563162.1U CN201420563162U CN204213414U CN 204213414 U CN204213414 U CN 204213414U CN 201420563162 U CN201420563162 U CN 201420563162U CN 204213414 U CN204213414 U CN 204213414U
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- valve body
- oil
- valve seat
- valve
- integrated form
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Abstract
The utility model discloses a kind of integrated form one-way valve, include valve body and valve seat, wherein, valve body is in the inner cylindrical structural being provided with cavity, the one end open of this valve body, the center of its other end offers oil through, the sidewall of valve body offers at least one logical oil groove, the end of logical oil groove communicates with described valve body openings end, valve seat is assemblied in the opening end of described valve body, valve seat center offers oil-through hole, and valve seat is shaped with the cone shape hole communicated with described oil-through hole near valve body one end, be provided with steel ball between valve body and described valve seat.The utility model has the advantage of: structure is simple, compact, and volume is little, reliability is strong, is conducive to the Miniaturization Design of hydraulic system, is particularly suitable for building of oil circuit control logical relation in hydraulic system.
Description
Technical field
The utility model relates to technical field of hydraulic, particularly relates to a kind of integrated form one-way valve.
Background technique
Generally in order to isolated zone of high pressure and low pressure area or in order to assembly logic module in hydraulic system, can one-way valve be used, according to Placement, generally be divided into tubular type one-way valve, plate-type non-return valve and plug-in one-way valve.It is comparatively large generally all to there is volume in tubular type and gasket mounted one-way valve, and take up room many shortcomings, makes troubles to the layout of hydraulic system and follow-up assembling.Although common plug-in one-way valve reduces a lot than tubular type one-way valve and plate-type non-return valve volume, relative to the small-sized hydraulic system that level of integration is very high, still occupy many spaces.
The existing patent No. is 201120531687.3 and is called that the utility model patent of " one-way valve " discloses a kind of one-way valve, this one-way valve is applied in hydraulic system, it comprises valve body, spring seat and is positioned at the spring of inner chamber and the spool of described valve body, described valve body comprise all with the connection mouth of the inner space of described valve body, filler opening and oil outlet, described spring seat is removably installed in described connection mouth and supports described spring, and described spool is pressed on described filler opening by described spring.There is complex structure, shortcoming that volume is larger in this one-way valve, and the easy stuck poor reliability causing one-way valve in spring using process, therefore needs to be improved further to its structure.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, provides structure simple, compact, compact, a kind of integrated form one-way valve that reliability is strong.
The utility model solves the problems of the technologies described above adopted technological scheme:
A kind of integrated form one-way valve, include valve body and valve seat, wherein, valve body is in the inner cylindrical structural being provided with cavity, the one end open of this valve body, the center of its other end offers oil through, the sidewall of valve body offers at least one logical oil groove, the end of logical oil groove communicates with described valve body openings end, valve seat is assemblied in the opening end of described valve body, valve seat center offers oil-through hole, and valve seat is shaped with the cone shape hole communicated with described oil-through hole near valve body one end, be provided with steel ball between valve body and described valve seat.
For optimizing technique scheme, the concrete measure taked also comprises:
The number of above-mentioned logical oil groove is four, and four logical oil grooves are uniformly distributed on the sidewall of described valve body.
By a conical cavity transition between above-mentioned valve body openings end and described oil through.
Above-mentioned valve body openings end is provided with annular groove, and valve seat is provided with annular protrusion near valve body one end, and annular protrusion is inserted in described annular groove.
Above-mentioned annular protrusion is won with mistake between annular groove and is coordinated.
Above-mentioned valve seat is dismantled with valve body and is coordinated.
Compared with prior art, a kind of integrated form one-way valve of the utility model, its valve body is in the inner cylindrical structural being provided with cavity, the one end open of this valve body, the center of its other end offers oil through, the sidewall of valve body offers at least one logical oil groove, the end of logical oil groove communicates with described valve body openings end, valve seat is assemblied in the opening end of described valve body, valve seat center offers oil-through hole, valve seat is shaped with the cone shape hole communicated with described oil-through hole near valve body one end, be provided with steel ball between valve body and described valve seat.When hydraulic oil is from valve body effluent to valve seat side, oil pressure makes steel ball be close to mutually with the cone shape hole on valve seat and form linear sealing, thus makes closed check valve, and hydraulic oil cannot pass through; When hydraulic oil is from valve seat effluent to valve body side, oil pressure makes steel ball and cone shape hole depart from, and hydraulic oil is walked around steel ball and flowed out from oil through through logical oil groove, thus one-way valve is opened; So just, achieve the unidirectional logical functional oil of one-way valve.Integrated form one-way valve of the present utility model, structure is simple, compact, and volume is little, and reliability is strong, is conducive to the Miniaturization Design of hydraulic system, is particularly suitable for building of oil circuit control logical relation in hydraulic system.
In addition, the number of logical oil groove is four, and is uniformly distributed on the sidewall of valve body; Setting like this can make hydraulic oil fast and pass through from the surrounding of valve body equably.
Valve body openings end is provided with annular groove, and valve seat is provided with annular protrusion near valve body one end, and annular protrusion is inserted in annular groove, makes the assembling of valve body and valve seat convenient; And cross between annular protrusion with annular groove and win and coordinate, ensure that soundness and the reliability of the assembling of valve body and valve seat.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the sectional structure schematic diagram of valve body in Fig. 1;
Fig. 3 is the right elevation of Fig. 2;
Fig. 4 makes the sectional structure schematic diagram of valve seat in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Embodiment as shown in Figures 1 to 4,
Figure grade illustrates: valve body 1, cavity 1a, conical cavity 1b, oil through 11, logical oil groove 12, annular groove 13, valve seat 2, oil-through hole 21, cone shape hole 22, annular protrusion 23, steel ball 3.
As shown in Figures 1 to 4,
A kind of integrated form one-way valve of the utility model, include valve body 1 and valve seat 2, wherein, valve body 1 is in the inner cylindrical structural being provided with cavity 1a, the one end open of this valve body 1, the center of its other end offers oil through 11, the sidewall of valve body 1 offers logical oil groove 12, the end of logical oil groove 12 communicates with described valve body 1 opening end, valve seat 2 is assemblied in the opening end of described valve body 1, valve seat 2 center offers oil-through hole 21, and valve seat 2 is shaped with the cone shape hole 22 communicated with described oil-through hole 21 near valve body 1 one end, be provided with steel ball 3 between valve body 1 and described valve seat 2.
In embodiment, the number of logical oil groove 12 is four, and four logical oil grooves 12 are uniformly distributed on the sidewall of described valve body 1.Setting like this can make hydraulic oil fast and pass through from the surrounding of valve body 1 equably, and makes the oil pressure homogenization of surrounding, avoids one-sided oil shock and affects working life of one-way valve.
In embodiment, by a conical cavity 1b transition between valve body 1 opening end and described oil through 11.The sectional area of valve body 1 opening end is greater than the sectional area of oil through 11, adopts conical cavity 1b can realize transition well, and easy to process.
In embodiment, valve body 1 opening end is provided with annular groove 13, and valve seat 2 is provided with annular protrusion 23 near valve body 1 one end, and annular protrusion 23 is inserted in described annular groove 13.
In embodiment, excessively win between annular protrusion 23 with annular groove 13 and coordinate.
In embodiment, valve seat 2 is dismantled with valve body 1 and is coordinated.
Annular protrusion 23 and the setting of annular groove 13 make valve body 1 convenient with the assembling of valve seat 2, and cross to win between annular protrusion 23 with annular groove 13 and coordinate, and ensure that soundness and the reliability of the assembling of valve body and valve seat.
Working principle:
During assembling, steel ball 3 is placed in valve body 1, and valve seat 2 is installed on valve body 1 with coordinating of annular groove 13 by annular protrusion 23, thus make steel ball 3 be placed between the two, just constitute one-way valve.During use, the one-way valve assembled is installed on mounting hole.
When hydraulic oil is from valve body effluent to valve seat side, hydraulic oil flows in the cavity 1a of valve body 1 from the logical oil groove 12 that oil through 11 and sidewall are offered, formation oil pressure assembled by hydraulic oil in cavity 1a, oil pressure impels steel ball 3 to move to valve seat 2 until be close to mutually with the cone shape hole 22 on valve seat 2, steel ball 3 is close to formation linear sealing mutually with cone shape hole 22, thus make closed check valve, hydraulic oil cannot be passed through.
When hydraulic oil is from valve seat effluent to valve body side, hydraulic oil enters valve seat 2 from oil-through hole 21, promote steel ball 3 to move to valve body 1, steel ball 3 and cone shape hole 22 are departed from, seal failure, hydraulic oil can be walked around steel ball 3 and flow to valve body 1, and the logical oil groove 12 that the hydraulic oil walking around steel ball 3 is offered from oil through 11 and sidewall flows out, now, one-way valve is just in opening state.
So just, achieve the unidirectional logical functional oil of one-way valve.
Most preferred embodiment of the present utility model is illustrated, and the various change made by those of ordinary skill in the art or remodeling all can not depart from scope of the present utility model.
Claims (6)
1. an integrated form one-way valve, include valve body (1) and valve seat (2), it is characterized in that: described valve body (1) is provided with the cylindrical structural of cavity (1a) in inside, the one end open of this valve body (1), the center of its other end offers oil through (11), the sidewall of described valve body (1) offers at least one logical oil groove (12), the end of described logical oil groove (12) communicates with described valve body (1) opening end, described valve seat (2) is assemblied in the opening end of described valve body (1), valve seat (2) center offers oil-through hole (21), described valve seat (2) is shaped with near valve body (1) one end the cone shape hole (22) communicated with described oil-through hole (21), steel ball (3) is provided with between described valve body (1) and described valve seat (2).
2. a kind of integrated form one-way valve according to claim 1, is characterized in that: the number of described logical oil groove (12) is four, and the logical oil groove (12) described in four is uniformly distributed on the sidewall of described valve body (1).
3. a kind of integrated form one-way valve according to claim 2, is characterized in that: by a conical cavity (1b) transition between described valve body (1) opening end and described oil through (11).
4. a kind of integrated form one-way valve according to claim 3, it is characterized in that: described valve body (1) opening end is provided with annular groove (13), described valve seat (2) is provided with annular protrusion (23) near valve body (1) one end, and described annular protrusion (23) is inserted in described annular groove (13).
5. a kind of integrated form one-way valve according to claim 4, is characterized in that: interference fit between described annular protrusion (23) and annular groove (13).
6. a kind of integrated form one-way valve according to claim 5, is characterized in that: described valve seat (2) is dismantled with valve body (1) and coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563162.1U CN204213414U (en) | 2014-09-28 | 2014-09-28 | A kind of integrated form one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563162.1U CN204213414U (en) | 2014-09-28 | 2014-09-28 | A kind of integrated form one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204213414U true CN204213414U (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563162.1U Active CN204213414U (en) | 2014-09-28 | 2014-09-28 | A kind of integrated form one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204213414U (en) |
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2014
- 2014-09-28 CN CN201420563162.1U patent/CN204213414U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |