CN103322240B - Control valve - Google Patents
Control valve Download PDFInfo
- Publication number
- CN103322240B CN103322240B CN201310234788.8A CN201310234788A CN103322240B CN 103322240 B CN103322240 B CN 103322240B CN 201310234788 A CN201310234788 A CN 201310234788A CN 103322240 B CN103322240 B CN 103322240B
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- CN
- China
- Prior art keywords
- spool
- valve
- control valve
- control
- hole
- 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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Abstract
The invention discloses a control valve. The control valve is composed by assembling a control valve A and a control valve B which are used for control air paths. The control valve A comprises a valve A and a valve core A and the control valve B comprises a valve body B and a valve core B. The valve body A is composed of a plastic part A and a metal valve bush A which is embedded in the plastic part A during injection molding. The valve body B is composed of a plastic part B and a metal valve bush B which is embedded in the plastic part B during the injection molding. The metal valve bush A is a ring A which is in contact with the valve core A and controls the air paths through the valve core A, and the metal valve bush B is a ring B which is in contact with the valve core B and control the air paths through the valve core B. The control valve has the advantages of reducing the processing difficulty, improving the product qualification rate, reducing the product cost and the like.
Description
Technical field
The present invention relates to a kind of control valve of engineering machinery, especially relate to the control valve that a kind of many gas circuits control.
Background technique
As rock drill in engineering machinery, excavator need by impact mode to stone, the article that cement etc. are firm carry out fragmentation, its control section has just been come by control valve, operator controls opening of air-flow by the controlling rod rotated in control valve, close and size thus control drift action, usually, control valve is provided with total gas circuit input end and multi-channel output, what have does not need control, what have then needs control, existing control valve is fixedly made up of through bolt control valve A and control valve B, wherein, control valve A comprises valve A and spool A, control valve B comprises valve B and spool B, valve A and valve B process by metal valve, complicated shape and the precision-fit of spool and valve body make this control valve processing cost very high, scrappage is very high, final products bring a high price.
Summary of the invention
The present invention, according to above deficiency, provides a kind of control valve, and the valve body in this control valve adopts the composite structure of working of plastics and metal valve pocket, greatly reduces difficulty of processing.
Technological scheme of the present invention is:
A kind of control valve, comprising: for controlling control valve A and the control valve B of gas circuit;
Control valve A comprises valve A, spool A, spool A is hollow cylinder, and sidewall is provided with some through holes and tapped hole A, valve A is provided with the cavity A that coordinates with spool A and be communicated with this cavity A somely export A, also be provided with peripheral groove A, periphery hole A, the fixed hole A of both sides;
Control valve B comprises valve B, spool B, spool B is hollow cylinder, and sidewall is provided with through hole and tapped hole B, valve B is provided with the cavity B coordinated with spool B and the outlet B be communicated with this cavity B, also be provided with peripheral groove B, periphery hole B, entrance, the fixed hole B of both sides;
Control valve A and control valve B is each passed through fixed hole A by two bolts and fixed hole B is fastened by nut clip, spool A, spool B forms sealing configuration by installing three O shape elastic rings and valve A and valve B on end face, wherein, first O shape elastic ring is arranged on the left side of spool A, second O shape elastic ring is arranged on the right side of spool B, 3rd O shape elastic ring is arranged on the end face between spool A and spool B, operating handle A is screwed into tapped hole A from peripheral groove A and can controls spool A rotation thus control spool A inside to be communicated with at least one outlet A some, operating handle B is screwed into tapped hole B from peripheral groove B and can controls spool B rotation thus control spool B inside to be communicated with outlet B,
Valve A is made up of the metal valve pocket A embedding working of plastics A when working of plastics A and injection moulding, wherein, metal valve pocket A be contact with spool A and controlled to export the cirque body A of A by spool A;
It should be noted that, on valve A, some outlet A and position do not need to be controlled by spool A, and metallic material without metal valve pocket A, therefore can be saved in these outlet A and position;
Valve B is made up of the metal valve pocket B embedding working of plastics B when working of plastics B and injection moulding, wherein, metal valve pocket B be contact with spool B and controlled to export the cirque body B of B by spool B; In like manner, valve B does not need the position controlled by spool B without metal valve pocket B, therefore can save metallic material yet;
Described metal valve pocket A and metal valve pocket B is made up of No. 45 steel.
The circumference of described spool A and spool B is provided with step, described valve A on opposite position is provided with the through hole A of inner threaded, described valve B is provided with the through hole B of inner threaded, is respectively provided with steel ball, spring being pressed on step by steel ball by housing screw in this through hole A and through hole B.This structure has been had just to have operation gear, can the output quantity of control valve.
Described outlet A comprises straight-through not controlled outlet, two bent angles not controlled outlet, straight-through controlled outlet, two bent angle controlled outlet; Described outlet B comprises straight-through controlled outlet; The sidewall of described spool A is provided with elongated slot, and under the control of described operating handle A, the inside of spool A can be communicated with any one controlled outlet or any one controlled outlet and straight-through controlled outlet by this elongated slot.
Described outlet A, outlet B are provided with internal thread, and entrance is provided with outside thread.
The present invention has the beneficial effect reducing difficulty of processing, improve conforming product rate, reduce product cost.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention.
Fig. 2 is the external structure schematic diagram of another angle of the present invention.
Fig. 3 is internal structure schematic diagram of the present invention.
Fig. 4 is the sectional view that spool A of the present invention coordinates with metal valve pocket A.
Fig. 5 is a sectional view of spool A of the present invention.
Embodiment
Now the present invention is further illustrated by reference to the accompanying drawings:
As shown in the figure, a kind of control valve, comprising: for controlling control valve A and the control valve B of gas circuit;
Control valve A comprises valve A 1, spool A18, spool A18 is hollow cylinder, sidewall is provided with some through holes and tapped hole A180, valve A 1 is provided with the cavity A that coordinates with spool A18 and be communicated with this cavity A somely export A, also be provided with peripheral groove A17, periphery hole A13, the fixed hole A14 of both sides;
Control valve B comprises valve B 5, spool B56, spool B56 is hollow cylinder, sidewall is provided with through hole and tapped hole B560, valve B 5 is provided with the cavity B coordinated with spool B56 and the outlet B53 be communicated with this cavity B, also be provided with peripheral groove B55, periphery hole B51, entrance 54, the fixed hole B52 of both sides;
Control valve A and control valve B is each passed through fixed hole A14 by two bolts 4 and fixed hole B52 is fastened by nut clip, spool A18, spool B56 forms sealing configuration by installing three O shape elastic rings 6 on end face with valve A 1 and valve B 5, wherein, first O shape elastic ring 6 is arranged on the left side of spool A18, second O shape elastic ring 6 is arranged on the right side of spool B56, 3rd O shape elastic ring 6 is arranged on the end face between spool A18 and spool B56, operating handle A2 is screwed into tapped hole A180 from peripheral groove A17 and can controls spool A18 rotation thus control spool A18 inside to be communicated with at least one outlet A some, operating handle B3 is screwed into tapped hole B560 from peripheral groove B55 and can controls spool B56 rotation thus control spool B56 inside to be communicated with outlet B53,
Valve A 1 is made up of the metal valve pocket A19 embedding working of plastics A when working of plastics A and injection moulding, wherein, metal valve pocket A19 be contact with spool A18 and controlled to export the cirque body A of A by spool A18;
Valve B 5 is made up of the metal valve pocket B57 embedding working of plastics B when working of plastics B and injection moulding, wherein, metal valve pocket B57 be contact with spool B56 and controlled to export the cirque body B of B by spool B5.
The circumference of spool A18 is provided with step 181, and the described valve A 1 on opposite position is provided with outside threaded through hole, is provided with steel ball 71, spring 73 being pressed on step by steel ball 71 by housing screw 72 in this through hole.Had this step, the position of operating handle is easier to location.
In like manner, the circumference of spool B56 is provided with step, and opposite position upper valve body B5 is provided with outside threaded through hole, is respectively provided with steel ball 71, spring 73 being pressed on step by steel ball 71 by housing screw 72 in this through hole A13 and through hole.
Outlet A comprises straight-through not controlled outlet 11, two bent angles not controlled outlet 12, straight-through controlled outlet 16, two bent angle controlled outlet 15; Described outlet B53 comprises straight-through controlled outlet; The sidewall of spool A18 is provided with elongated slot 182, and under the control of operating handle A2, the inside of spool A18 can be communicated with any one controlled outlet 15 or any one controlled outlet 15 and straight-through controlled outlet 16 by this elongated slot 181.That is the arc length shared by elongated slot 182 is more than or equal to a controlled outlet 15 and the maximum arc length shared by straight-through controlled outlet 16, but is less than the minimum arc length shared by two controlled outlet 15.
Outlet A, outlet B are provided with internal thread, and entrance 54 is provided with outside thread and is convenient to connect with outside.
Described metal valve pocket A19 and metal valve pocket B57 is made up of No. 45 steel.
Claims (2)
1. a control valve, comprising: for controlling control valve A and the control valve B of gas circuit;
Control valve A comprises valve A (1), spool A (18), spool A (18) is hollow cylinder, sidewall is provided with some through holes and tapped hole A (180), valve A (1) is provided with the cavity A that coordinates with spool A (18) and be communicated with this cavity A somely export A, be also provided with the fixed hole A (14) of peripheral groove A (17), both sides;
Control valve B comprises valve B (5), spool B (56), spool B (56) is hollow cylinder, sidewall is provided with through hole and tapped hole B (560), valve B (5) is provided with the cavity B coordinated with spool B (56) and the outlet B (53) be communicated with this cavity B, also be provided with peripheral groove B (55), entrance (54), the fixed hole B (52) of both sides;
Control valve A and control valve B is each passed through fixed hole A (14) by two bolts (4) and fixed hole B (52) is fastened by nut clip, spool A (18), spool B (56) forms sealing configuration by installing three O shape elastic rings (6) on end face with valve A (1) and valve B (5), wherein, first O shape elastic ring (6) is arranged on the left side of spool A (18), second O shape elastic ring (6) is arranged on the right side of spool B (56), 3rd O shape elastic ring (6) is arranged on the end face between spool A (18) and spool B (56), operating handle A (2) is screwed into tapped hole A (180) from peripheral groove A (17) and can controls spool A (18) rotation thus control spool A (18) inside to be communicated with at least one outlet A some, operating handle B (3) is screwed into tapped hole B (560) from peripheral groove B (55) and can controls spool B (56) rotation thus control spool B (56) inside to be communicated with outlet B (53),
It is characterized in that:
Valve A (1) is made up of the metal valve pocket A (19) embedding working of plastics A when working of plastics A and injection moulding;
Valve B (5) is made up of the metal valve pocket B (57) embedding working of plastics B when working of plastics B and injection moulding;
Wherein, described metal valve pocket A (19) for contact with spool A (18) and controlled the cirque body A of gas circuit by spool A (18); Described metal valve pocket B (57) for contact with spool B (56) and controlled the cirque body B of gas circuit by spool B (5).
2. a kind of control valve as claimed in claim 1, is characterized in that, described metal valve pocket A (19) and metal valve pocket B (57) is made up of No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234788.8A CN103322240B (en) | 2013-06-11 | 2013-06-11 | Control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234788.8A CN103322240B (en) | 2013-06-11 | 2013-06-11 | Control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322240A CN103322240A (en) | 2013-09-25 |
| CN103322240B true CN103322240B (en) | 2015-06-17 |
Family
ID=49191174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310234788.8A Expired - Fee Related CN103322240B (en) | 2013-06-11 | 2013-06-11 | Control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103322240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066043B (en) * | 2020-07-31 | 2021-09-03 | 清华大学 | Control rod drive line combination valve structure and control rod hydraulic drive system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650295A (en) * | 1970-04-20 | 1972-03-21 | Richard J Smith | Rotary valve |
| NO157211C (en) * | 1984-02-27 | 1988-02-10 | Botolv L Larsen | VALVE FOR A REGULAR HYDRAULIC VALVE DEVICE. |
| US4856560A (en) * | 1988-12-05 | 1989-08-15 | Neff James A | Valve base with integral flow control valves and common exhaust passage |
| AR244863A1 (en) * | 1989-09-07 | 1993-11-30 | Marcelo Alberto Hoegner | A multi-valve and the sterilising equipment that contains it. |
| CN100432508C (en) * | 2006-10-09 | 2008-11-12 | 无锡压缩机股份有限公司 | Combined high pressure air exhaust valve |
| CN101776164B (en) * | 2010-03-11 | 2011-08-31 | 上海穗杉实业有限公司 | Integrated pipeline flow-direction control valve |
| CN203413170U (en) * | 2013-06-11 | 2014-01-29 | 衢州坤力塑料厂 | Operation valve |
-
2013
- 2013-06-11 CN CN201310234788.8A patent/CN103322240B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103322240A (en) | 2013-09-25 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160611 |