CN103234060A - Radial-force-balanced manual control air valve - Google Patents
Radial-force-balanced manual control air valve Download PDFInfo
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- CN103234060A CN103234060A CN2013101265984A CN201310126598A CN103234060A CN 103234060 A CN103234060 A CN 103234060A CN 2013101265984 A CN2013101265984 A CN 2013101265984A CN 201310126598 A CN201310126598 A CN 201310126598A CN 103234060 A CN103234060 A CN 103234060A
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- gas port
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Abstract
The invention relates to a radial-force-balanced manual control air valve which is reliable in performance and long in service life. The air valve comprises a valve body, a rotary valve spool, a handle, positioning springs, sealing gaskets and air port joints. The handle is connected with the rotary valve spool to be arranged in an inner hole of the valve body, the handle rotates to enable the rotary valve spool to rotate in the inner hole of the valve body, and steel balls fall into positioning grooves C of the valve body respectively under the action of the positioning springs. The two sealing gaskets are symmetrically arranged in an outer circle sealing groove of the rotary valve spool and form two air chambers A with the wall of the inner hole of the valve body, the two air chambers are communicated through air channels, four air channels are opened on the valve body and communicated with outer channels through the air port joints respectively, and reversing positions are determined according to positioning holes to achieve disconnection or connection between the air chambers and the air port channels. The air valve is free of axial force and effects of radial force, light and flexible to operate, reliable in performance and long in service life.
Description
Technical field
The invention belongs to the air operated reversing valve technical field, particularly in a kind of dumping car atmospheric control, the balanced radial force formula is manually controlled air valve.
Background technique
The shaft type manual of dumping car rotation at present control air valve structure (as accompanying drawing 1,2,3,4), rotating valve gap 21 usefulness baffle plates 22 constrains on valve body 25 cantilevered axle, gas enters among the air chamber a that is made up of the sealing gasket 27 on the rotation valve gap seal groove and valve body 25 end faces by air inlet connections XII and air flue b, by moving handle 26 rotation valve gap 21 is rotated around valve body 25 end axles, two position limit pins 28,29 determine stroke range, determine commutation position by retaining spring 23 supporting steel balls 24, when the neutral position air chamber a of handle 26 place and other 3 gas port air flues disconnections; Handle 26 left-hand rotation air chamber a and lifting gas port joint XI air flue c connect; When handle 26 right-hand rotation air chamber a and decline gas port joint X IV air flue d connection; When the handle 26 air chamber a that turns right again connects simultaneously with decline gas port joint X IV and slow sending down abnormally ascending mouth joint X III air flue simultaneously, above-mentioned owing to rotate the variation of valve gap 21 pivotal positions, air chamber a disconnects or connects certain air flue respectively, controls that hydraulicdirectional control valve is realized stopping in the dumping car, lifting, decline or fall function slowly.The compression elasticity of the active force of the interior gas pressure of air chamber a and sealing gasket 27 compression bounce-backs and retaining spring 23 all acts on and rotates on the valve gap 21 in the work, then rotating valve gap 21 makes a concerted effort this axial direction to pass on the baffle plate 22 that is fixedly connected on valve body 25, rotate between valve gap 21 end faces and the baffle plate 22 long-time under the effect of this axial force and mutual pivoting friction, cause contact surface abrasion, increased the matching gap between valve body 25 and rotation valve gap 21 both ends of the surface, cause sealing gasket 27 decrements to reduce, easily make air chamber gas leakage cause function to be destroyed and hidden danger.Owing to there is axial force, the surface friction drag that has increased handle 27 rotations makes operation dumb.
Summary of the invention
The objective of the invention is to be to overcome above-mentioned technical deficiency, provide a kind of assurance not produce axial force when manually the control air valve under any circumstance rotates rotational valve core, radial force remains the balanced radial force formula of symmetry counteracting and balance and manually controls air valve.
The technological scheme that technical solution problem of the present invention adopts is: a kind of no axial force, the radial force symmetry is offset the also manual control air valve of balance, it comprises valve body, rotational valve core, handle, retaining spring, steel ball, sealing gasket, I gas port joint, II gas port joint, III gas port joint, IV gas port joint is installed on the valve body, it is characterized in that: handle connects rotational valve core and places valve body inner bore, offer a handle rotational travel scope groove on the valve body, handle and valve body inner bore make rotational valve core axially and radially obtain constraint, handle rotational valve core in stroke range rotates in valve body inner bore, steel ball falls into each locating slot C of valve body respectively during rotation under the retaining spring effect that is built on the rotational valve core; Two sealing gasket symmetries are placed in the rotational valve core cylindrical seal groove, sealing gasket and valve body inner bore wall form two air chamber A, 2 air chambers A also is connected by air flue, valve body is offered four air flues respectively by gas port joint and from outside connection, C determines commutation position according to locating slot, realizes disconnection or the connection of air chamber and each gas port air flue respectively.The sealing gasket of placing in the symmetry seal groove of rotational valve core two ends forms two identical, symmetrical air chambers in position of area size with the valve body inner bore wall, 2 air chambers also is communicated with air flue, control gas enters 2 air chambers A through suction port II gas port joint and air flue, and air chamber A and all gas port air flues disconnect when neutral position, handle place; When handle right-hand rotation air chamber A only connects with lifting gas port III gas port joint air flue; When handle left-hand rotation air chamber A and the connection of decline gas port I gas port joint air flue; When handle is connected decline gas port and slow sending down abnormally ascending mouth I, IV gas port joint air flue simultaneously toward left-hand rotation air chamber A again, above-mentioned because the variation of rotational valve core pivotal position, air chamber A disconnects or connects certain gas port air flue respectively, controls that hydraulicdirectional control valve is realized stopping in the dumping car, lifting, decline and fall function slowly.
The invention has the beneficial effects as follows: air chamber is arranged on rotational valve core cylindrical both sides, rotational valve core does not have axial force, has only radial force, but air chamber position symmetry, air chamber lifting surface area equal and opposite in direction, and radial force equal and opposite in direction then, direction makes balanced radial force offset on the contrary.This technological scheme structure advanced person does not have axial force and is not subjected to the influence of radial force, operation light and flexible, reliable performance, long service life.
Description of drawings
Fig. 1 is the plan view of manually controlling air valve structure in the present dumping car hydraulic system.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is Figure 1A-A sectional view.
Fig. 4 is the B place partial enlarged drawing of Fig. 1.
Fig. 5 is the plan view that balanced radial force formula of the present invention is manually controlled air valve structure.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the B-B sectional view of Fig. 5.
Fig. 8 is the local enlarged diagram of Fig. 5 C.
Specific embodiments
With reference to accompanying drawing 5,6,7,8, the balanced radial force formula is manually controlled air valve, comprise valve body 1, rotational valve core 2, handle 6, sealing gasket 5, retaining spring 4, steel ball 3 and the I that is installed on the valve body 1, II, III, IV gas port joint, being characterized in that rotational valve core 2 is placed in valve body 1 endoporus is connected with handle 6, offer a handle 6 rotational travel scope grooves on the valve body 1, handle 6 makes rotational valve core 2 axially and radially obtain constraint with valve body 1 endoporus, handle with sleeve 6 can make rotational valve core 2 rotate in valve body 1 endoporus according to stroke range, be built in during rotation under retaining spring 4 effects on the rotational valve core 2, steel ball 3 can be fallen into valve body 1 each locating slot C respectively.Two sealing gasket 5 symmetries are placed in the rotational valve core 2 cylindrical seal grooves, and sealing gasket 5 and valve body 1 inner hole wall form two identical air chamber A of areas size, and 2 air chambers also is connected by air flue.Valve body 1 is offered four air flues respectively by I, II, III, IV gas port joint and from outside connection.Control gas enters 2 air chambers A by II gas port joint and air flue, handle 6 left-right rotation, 1 four locating slot C have determined commutation position by valve body, air chamber and I, III, IV gas port joint air flue are disconnected or air chamber is connected with certain gas port joint wherein in order by air flue respectively, disconnect that other air flue controls that hydraulicdirectional control valve is realized stopping in the dumping car, lifting, decline, fall function slowly.Rotational valve core 2 cylindricals arrange air chamber A, rotational valve core does not have axial force, only be subjected to the radial force effect of air chamber A internal air pressure since two air chamber A lifting surface area size is identical, the position is symmetrical, the effect of radial force opposite sign but equal magnitude is balanced radial force then point-blank.As consider the radial force that retaining spring 4 compressions produce, can determine 2 air chambers position realization rotational valve core 2 wholecircles week balanced radial force according to the radial force size.
Claims (2)
1. the balanced radial force formula is manually controlled air valve, it comprises valve body (1), rotational valve core (2), handle (6), retaining spring (4), steel ball (3), sealing gasket (5), I gas port joint, II gas port joint, III gas port joint, IV gas port joint is installed on the valve body (1), it is characterized in that: handle (6) connects rotational valve core (2) and places valve body (1) endoporus, offer a handle (6) rotational travel scope groove on the valve body (1), handle (6) makes rotational valve core (2) axially and radially obtain constraint with valve body (1) endoporus, handle (6) rotates in stroke range, rotational valve core (2) is rotated in valve body (1) endoporus, steel ball during rotation (3) falls into each locating slot C of valve body (1) respectively under retaining spring (4) effect that is built on the rotational valve core (2); Two sealing gaskets (5) symmetry is placed in rotational valve core (2) the cylindrical seal groove, sealing gasket (5) forms two air chamber A with valve body (1) inner hole wall, 2 air chambers also is connected by air flue, valve body (1) is offered four air flues respectively by I, II, III, IV gas port joint and from outside connection, determine commutation position according to positioning hole, realize disconnection or the connection of air chamber and each gas port air flue respectively.
2. balanced radial force formula according to claim 1 is manually controlled air valve, it is characterized in that: sealing gasket (5) is communicated with two air chambers that valve body (1) inner hole wall forms, air chamber lifting surface area size is identical, the position is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310126598.4A CN103234060B (en) | 2013-04-12 | 2013-04-12 | Radial-force-balancemanual manual control air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310126598.4A CN103234060B (en) | 2013-04-12 | 2013-04-12 | Radial-force-balancemanual manual control air valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103234060A true CN103234060A (en) | 2013-08-07 |
| CN103234060B CN103234060B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310126598.4A Active CN103234060B (en) | 2013-04-12 | 2013-04-12 | Radial-force-balancemanual manual control air valve |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939870A (en) * | 1974-11-14 | 1976-02-24 | Deltrol Corporation | Combination manual and pilot operated directional control valve |
| EP0001320A1 (en) * | 1977-08-04 | 1979-04-04 | CAM GEARS Limited | Reaction force limiting means and steering gear including such means |
| US4890645A (en) * | 1987-10-08 | 1990-01-02 | Baroid Technology, Inc. | Rotary shear seal hydraulic valve |
| CN201269328Y (en) * | 2008-09-05 | 2009-07-08 | 吴建华 | Four-position four-way manual air valve |
| CN201377617Y (en) * | 2009-04-02 | 2010-01-06 | 王祖林 | Piston type multiple-position manual rotary valve |
| CN101338829B (en) * | 2008-08-12 | 2010-06-09 | 临海多伊尔机械有限公司 | Multipath hydraulic change-over valve |
| CN201636428U (en) * | 2010-02-09 | 2010-11-17 | 金培培 | Adjustable hand-operated air valve |
| CN201772103U (en) * | 2010-07-08 | 2011-03-23 | 宁波光华气动工业有限公司 | Three-position four-way hand-operated rotary valve |
| CN102562701A (en) * | 2012-02-15 | 2012-07-11 | 武汉科技大学 | Easily controlling hydraulic corner self-servo valve |
| CN203272865U (en) * | 2013-04-12 | 2013-11-06 | 阜新力夫特液压有限公司 | Radial force balanced type manual control air valve |
-
2013
- 2013-04-12 CN CN201310126598.4A patent/CN103234060B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939870A (en) * | 1974-11-14 | 1976-02-24 | Deltrol Corporation | Combination manual and pilot operated directional control valve |
| EP0001320A1 (en) * | 1977-08-04 | 1979-04-04 | CAM GEARS Limited | Reaction force limiting means and steering gear including such means |
| US4890645A (en) * | 1987-10-08 | 1990-01-02 | Baroid Technology, Inc. | Rotary shear seal hydraulic valve |
| CN101338829B (en) * | 2008-08-12 | 2010-06-09 | 临海多伊尔机械有限公司 | Multipath hydraulic change-over valve |
| CN201269328Y (en) * | 2008-09-05 | 2009-07-08 | 吴建华 | Four-position four-way manual air valve |
| CN201377617Y (en) * | 2009-04-02 | 2010-01-06 | 王祖林 | Piston type multiple-position manual rotary valve |
| CN201636428U (en) * | 2010-02-09 | 2010-11-17 | 金培培 | Adjustable hand-operated air valve |
| CN201772103U (en) * | 2010-07-08 | 2011-03-23 | 宁波光华气动工业有限公司 | Three-position four-way hand-operated rotary valve |
| CN102562701A (en) * | 2012-02-15 | 2012-07-11 | 武汉科技大学 | Easily controlling hydraulic corner self-servo valve |
| CN203272865U (en) * | 2013-04-12 | 2013-11-06 | 阜新力夫特液压有限公司 | Radial force balanced type manual control air valve |
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| Publication number | Publication date |
|---|---|
| CN103234060B (en) | 2015-12-23 |
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Effective date of registration: 20230202 Address after: 123008 No. 85, Keji Street, Hi-tech Industrial Development Zone, Fuxin City, Liaoning Province Patentee after: FUXIN BEIXINXING HYDRAULIC Co.,Ltd. Address before: No. 22, Shengkai Road, Fuxin Economic Development Zone, Liaoning Province, 123000 Patentee before: FUXIN LIFT HYDRAULIC Co.,Ltd. |
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