CN108331943B - Control mechanism of valve and sliding sleeve control valve - Google Patents
Control mechanism of valve and sliding sleeve control valve Download PDFInfo
- Publication number
- CN108331943B CN108331943B CN201810256303.8A CN201810256303A CN108331943B CN 108331943 B CN108331943 B CN 108331943B CN 201810256303 A CN201810256303 A CN 201810256303A CN 108331943 B CN108331943 B CN 108331943B
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- Prior art keywords
- control
- valve core
- control valve
- valve
- core
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Links
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000007789 gas Substances 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 4
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a control mechanism of a valve and a sliding sleeve control valve, wherein the control mechanism of the valve is provided with a first control valve core and a second control valve core, the valve is provided with a first valve hole and a second valve hole, the first control valve core is provided with at least a first opening position for opening the first valve hole and a first closing position for closing the first valve hole, and the second control valve core is provided with at least a second opening position for opening the second valve hole and a second closing position for closing the second valve hole; the invention can play a role in controlling the direction of gas, can realize fine adjustment and has linear air inlet flow.
Description
Technical Field
The invention relates to the field of control valves, in particular to a control mechanism of a valve and a sliding sleeve control valve.
Background
The gas direction control valve is widely applied to a hoisting system at the present stage, and is widely used along with the wide use of the hoisting system. However, the currently used directional control valves are generally of a push-button type, and the use of a common push-button control valve requires a long time to press a button, so that the service life is greatly shortened, and the directional control valve is not suitable for being held by a user for a long time. The flow passages of the control valves commonly used at present are mostly densely distributed and are not suitable for most gases and use occasions. Therefore, designing and developing a switch control valve with good air tightness, rapid air intake and handholding becomes an urgent problem to be solved in industry.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims at: the control mechanism and the sliding sleeve control valve can effectively control the flow direction of gas or hydraulic oil, meanwhile, the push button type control is changed into the sliding part, the service life is greatly prolonged, the control is more stable, and the control mechanism and the sliding sleeve control valve can be applied to flammable and explosive environments such as coal mines.
The aim of the invention is achieved by the following technical scheme: a control mechanism of a valve in which a first control spool and a second control spool are provided, the valve having a first valve hole and a second valve hole, the first control spool having at least a first open position that opens the first valve hole and a first closed position that closes the first valve hole, the second control spool having at least a second open position that opens the second valve hole and a second closed position that closes the second valve hole;
The control mechanism is used for controlling the first control valve core and the second control valve core to act, the control mechanism comprises a sliding part, the sliding part is used for receiving first position switching power along a first direction to drive the first control valve core to switch to a first open position, the second control valve core is located at a second closed position, and the sliding part is also used for receiving second position switching power along a second direction opposite to the first direction to drive the first control valve core to switch to the first closed position, and the second control valve core is located at a second open position.
Preferably, the control mechanism includes a first transmission lever hinged at a middle portion for transmitting the first position switching power to the first control spool and/or a second transmission lever hinged at a middle portion for transmitting the second position switching power to the second control spool.
Preferably, two ends of the first transmission lever are respectively abutted against one end part of the first control valve core and one end part of the sliding part;
And two ends of the second transmission lever are respectively abutted against the second control valve core and the other end part of the sliding part.
Preferably, the first control valve core and the second control valve core are arranged along the first direction or the second direction, the first control valve core and the second control valve core are respectively arranged on two opposite sides of the valve, the first control valve core and the second control valve core face opposite directions, the control ends of the first control valve core and the second control valve core are respectively exposed out of the valve, and the control ends of the first control valve core and the second control valve core are respectively abutted against the first transmission lever and the second transmission lever.
Preferably, the control mechanism comprises a guide column, the axial direction of the guide column is parallel to the first direction or the second direction, and the sliding part is sleeved on the guide column and can slide along the first direction and the second direction relative to the guide column.
Preferably, the control mechanism includes a first resilient return element that applies a force to switch the first control spool to the first closed position after the first position switching power is removed.
Preferably, the control mechanism includes a second elastic return element that applies a force to switch the second control spool to the second closed position after the second position switching power is removed.
Preferably, the first control valve spool further includes a first adjustment position for adjusting an opening degree of the first control valve spool between the first open position and the first closed position; the second control valve spool further includes a second adjustment position for adjusting an opening degree of the second control valve spool between the second open position and the second closed position;
The sliding part also receives a first adjusting power along the first direction to adjust the opening degree of the first control valve core; the sliding component also receives a second adjusting power along a second direction to adjust the opening degree of the second control valve core.
A sliding sleeve control valve comprising: a valve body and a control mechanism of any one of claims 1 to 8, the valve body being provided therein with an actuator valve core and a pressure relief valve core for relieving pressure in an input flow passage of the valve body, the valve body having an output valve hole communicating with an external actuator and a pressure output valve hole for relieving pressure, the actuator valve core having at least an output position for opening the output valve hole and a shut-off position for closing the output valve hole; the pressure relief valve core is provided with at least a pressure relief position for opening the pressure output valve hole and a pressure maintaining position for closing the pressure output valve hole;
and the control mechanism of the valve is used for controlling the actuating valve core and the pressure relief valve core to act.
Preferably, the valve body has a relief valve opening communicating with the outlet valve opening for relieving pressure from the external actuator and a plug which can block the relief valve opening.
Compared with the prior art, the invention has the following advantages and effects:
1. The invention can play a role in controlling the direction of gas, can realize fine adjustment and has linear air inlet flow. Compared with the electric control, the invention is controlled by pure machinery, achieves the effect of more stable control, can be applied to environments such as coal mines and the like which are not suitable for electric control, and can avoid explosion caused by spark generated by electric control.
2. The invention changes the position relation between the traditional air inlet valve core and the air outlet valve core, lengthens the channel between the first valve hole and the second valve hole, can set a plurality of ventilation channels which can be directly communicated with the atmosphere on the first valve hole, the second valve hole and the main input channel and can be blocked by the detachable blocking part, and when the valve or the valve body is damaged or other problems cause that the gas can not normally flow, the blocking part can be detached, and the gas in the first valve hole, the second valve hole and the main input channel can be timely dredged.
3. The invention also has the advantages of simple structure, easy production and manufacture and easy use, and has wide application prospect.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a control mechanism of the present invention;
FIG. 2 is a schematic view of yet another embodiment of a control mechanism of the present invention;
FIG. 3 is a schematic view of yet another embodiment of a control mechanism of the present invention;
FIG. 4 is a schematic view of one embodiment of a sliding sleeve control valve of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
FIG. 1 is a schematic diagram of one embodiment of a control mechanism of the present invention. In this embodiment, the valve is provided with a first control valve core 100 and a second control valve core 200, the valve is provided with a main input channel 300, a first valve hole 301 and a second valve hole 302, the first valve hole 301 and the second valve hole 302 are respectively communicated with the main input channel 300, as a preferred embodiment, the first valve hole 301 can be connected with an external actuator to provide power for the external actuator, the second valve hole 302 can be connected with another external actuator or directly communicated with the atmosphere, and when the first valve hole 301 and the second valve hole 302 are communicated with the atmosphere, the gas or hydraulic oil in the main input channel 300 can be discharged.
The first control valve cartridge 100 has at least a first open position to open the first valve hole 301 and a first closed position to close the first valve hole 301, and the second control valve cartridge 200 has at least a second open position to open the second valve hole 302 and a second closed position to close the second valve hole 302;
the control mechanism is used for controlling the first control valve core 100 and the second control valve core 200 to act, and comprises a sliding part 400 and a guide column, wherein the sliding part 400 is sleeved on the periphery of the guide column and can axially slide along the guide column.
The slide member 400 is configured to receive a first position switching power in the first direction 101 to drive the first control spool 100 to switch to the first open position and the second control spool 200 is located at the second closed position, and the slide member 400 is further configured to receive a second position switching power in the second direction 201 opposite to the first direction 101 to drive the first control spool 100 to switch to the first closed position and the second control spool 200 is located at the second open position. As a preferred embodiment, the first direction 101 may be an axial direction corresponding to the up-down direction in fig. 1, i.e., the sliding member 400. In practical use, as shown in fig. 2, the slide member 400 can be placed horizontally, and the second control valve element 200 located below is prevented from being erroneously triggered by its own weight (in the case where the second control valve element 200 is located below, similarly, when the first control valve element 100 is located below, the first control valve element 100 is prevented from being erroneously triggered).
In this embodiment, the control mechanism includes a first transmission lever 401 hinged at the middle portion for transmitting the first position switching power to the first control valve core 100 and/or a second transmission lever 402 hinged at the middle portion for transmitting the second position switching power to the second control valve core 200, the first control valve core 100 and the second control valve core 200 are disposed along the first direction 101 or the second direction 201, the first control valve core 100 and the second control valve core 200 are disposed on opposite sides of the valve, the first control valve core 100 and the second control valve core 200 face opposite directions, and the control ends of the first control valve core 100 and the second control valve core 200 are exposed to the valve, respectively, and the control ends of the first control valve core 100 and the second control valve core 200 are abutted against the first transmission lever 401 and the second transmission lever 402, respectively. In addition, the operation of the first control valve core 100 and the second control valve core 200 may be controlled by an electronic switch, electromagnetic control, etc., and it should be noted that the above embodiments may be mixed and activated by the sliding component 400, for example: the first control valve core 100 is controlled to act by the first transmission lever 401, and the second control valve core 200 is started by triggering an electronic switch by the sliding component 400, which is not described in detail herein.
In the above embodiment, the two ends of the first transmission lever 401 are respectively abutted against one ends of the first control valve spool 100 and the sliding member 400.
In the above embodiment, two ends of the second transmission lever 402 are respectively abutted against the other ends of the second control valve cartridge 200 and the sliding member 400.
In a specific operation, the sliding member 400 is slid toward the first transmission lever 401 by sliding the sliding member 400, and at this time, one end of the first transmission lever 401 is pushed by the sliding member 400, the other end of the first transmission lever 401 is pressed against the control end of the first transmission lever 401, the first transmission lever 401 is switched from the first closed position to the first open position, at this time, the gas or hydraulic oil in the main input channel 300 can be output from the first valve hole 301 to the external actuator after passing through the first control valve core 100, and one end of the second transmission lever 402 at the other end moves along with the sliding member 400 to keep the other end of the second transmission lever 402 away from the second control valve core 200 or the second transmission lever 402 stationary.
Fig. 2 is a schematic view of yet another embodiment of the control mechanism of the present invention. The control mechanism comprises a bracket 403 fixedly connected with the valve and a guide post arranged on the bracket 403, wherein the axial direction of the guide post is parallel to the first direction 101 or the second direction 201, and the sliding part 400 is sleeved on the guide post and can slide along the first direction 101 and the second direction 201 relative to the guide post.
Fig. 3 is a schematic view of yet another embodiment of the control mechanism of the present invention. In this embodiment, the control mechanism includes a first elastic restoring element 102, and the first elastic restoring element 102 applies a force to switch the first control valve spool 100 to the first closed position after the first position switching power is removed. Specifically, when the sliding member 400 receives the second position switching power or when the sliding member 400 withdraws the first position switching power, the first elastic restoring element 102 returns from the compressed state to the original state, so as to push the first control valve core 100, and close the first control valve core 100.
In the above embodiment, the control mechanism includes the second elastic restoring element 202, and the second elastic restoring element 202 applies the force for switching the second control spool 200 to the second closed position after the second position switching power is cancelled. Specifically, when the sliding member 400 receives the first position switching power or when the sliding member 400 withdraws the second position switching power, the second elastic restoring element 202 returns to the original state from the compressed state, so as to push the second control valve core 200, and close the second control valve core 200.
The first elastic restoring element 102 and the second elastic restoring element 202 may be elastic elements such as springs.
In this embodiment, the first control valve spool 100 further includes a first adjustment position for adjusting the opening degree of the first control valve spool 100 between the first open position and the first closed position; the second control valve cartridge 200 further includes a second adjustment position for adjusting an opening degree of the second control valve cartridge 200 between the second open position and the second closed position;
The sliding member 400 also receives a first adjustment power in the first direction 101 to adjust the opening degree of the first control spool 100; the sliding member 400 also receives a second adjustment power in the second direction 201 to adjust the opening degree of the second control spool 200.
In particular, the movement amount of the sliding member 400 can be controlled according to actual needs, so as to control the flow rates of the first control valve core 100 and the second control valve core 200, and when the sliding member 400 is located at the middle position, the first control valve core 100 and the second control valve core 200 are both in a closed state.
FIG. 4 is a schematic view of one embodiment of a sliding sleeve control valve of the present invention. The sliding sleeve control valve comprises: a valve body 500 and a control mechanism 600 of the above-described embodiment, the valve body having provided therein an execution valve spool and a pressure relief valve spool for relieving pressure of an input flow passage of the valve body 500, the valve body 500 having an output valve hole communicating with an external actuator and a pressure output valve hole for relieving pressure, the execution valve spool having at least an output position for opening the output valve hole and a shut-off position for closing the output valve hole; the pressure relief valve core is provided with at least a pressure relief position for opening the pressure output valve hole and a pressure maintaining position for closing the pressure output valve hole;
The control mechanism of the valve is used for controlling the actuating valve core and the pressure relief valve core to act so as to enable the actuating valve core to be switched between an output position and a closing position and enable the pressure relief valve core to be switched between a pressure relief position and a pressure maintaining position, and in addition, the opening degree of the actuating valve core and the opening degree of the pressure relief valve core can be controlled so as to control the starting speed of an external actuator and the pressure relief speed of an input flow passage of the valve body.
The sliding sleeve control valve can be a pneumatic sliding sleeve control valve or a hydraulic sliding sleeve control valve.
In this embodiment, the actuator further includes a speed adjustment position for adjusting an opening degree of the actuator between the output position and the shut-off position; the pressure relief valve core further comprises a pressure relief adjusting position between the pressure relief position and the pressure maintaining position for adjusting the opening degree of the pressure relief valve core;
The sliding member 400 also receives a first adjustment power in the first direction 101 to adjust the opening degree of the actuator spool; the sliding member 400 also receives a second adjustment power in the second direction 201 to adjust the opening of the pressure relief valve spool.
In specific use, the movement amount of the sliding member 400 can be controlled according to actual needs, so as to control the flow rates of the actuating valve core and the pressure relief valve core, and when the sliding member 400 is located at the middle position, the actuating valve core and the pressure relief valve core are both in a closed state.
In this embodiment, the valve body 500 has a relief valve hole communicating with the output valve hole for relieving pressure of the external actuator and a plug that can block the relief valve hole. When the external actuator needs to release pressure, the plug can be screwed out of the pressure release valve hole, so that gas or hydraulic oil entering the external actuator enters the pressure release valve hole through the output valve hole, and pressure release is realized. When the external actuator needs to be pressurized or pressure-maintaining, the plug can be plugged in the pressure relief valve hole.
The external actuator can be a pneumatic hoist or a pneumatic motor, etc.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (8)
1. A control mechanism of a valve, characterized in that a first control valve core and a second control valve core are arranged in the valve, the valve is provided with a first valve hole and a second valve hole, the first control valve core is provided with at least a first opening position for opening the first valve hole and a first closing position for closing the first valve hole, and the second control valve core is provided with at least a second opening position for opening the second valve hole and a second closing position for closing the second valve hole;
The control mechanism is used for controlling the first control valve core and the second control valve core to act, the control mechanism comprises a sliding part, the sliding part is used for receiving first position switching power along a first direction to drive the first control valve core to switch to a first open position, the second control valve core is located at a second closed position, and the sliding part is also used for receiving second position switching power along a second direction opposite to the first direction to drive the first control valve core to switch to the first closed position, and the second control valve core is located at a second open position;
the control mechanism comprises a first transmission lever hinged at the middle part and used for transmitting the first position switching power to the first control valve core and/or a second transmission lever hinged at the middle part and used for transmitting the second position switching power to the second control valve core;
The first control valve core and the second control valve core are arranged along the first direction or the second direction, the first control valve core and the second control valve core are respectively arranged on two opposite sides of the valve, the first control valve core and the second control valve core face opposite directions, the control ends of the first control valve core and the second control valve core are respectively exposed out of the valve, and the control ends of the first control valve core and the second control valve core are respectively propped against the first transmission lever and the second transmission lever;
The first control valve spool further includes a first adjustment position for adjusting an opening degree of the first control valve spool between the first open position and the first closed position.
2. The control mechanism according to claim 1, wherein both ends of the first transmission lever are respectively abutted against the first control valve spool and one end portion of the sliding member;
And two ends of the second transmission lever are respectively abutted against the second control valve core and the other end part of the sliding part.
3. A control mechanism according to claim 2, wherein the control mechanism comprises a guide post axially parallel to the first or second direction, and the sliding member is mounted on the guide post and is slidable relative to the guide post in the first and second directions.
4. The control mechanism of claim 1, wherein the control mechanism includes a first resilient return element that applies a force that causes the first control valve spool to switch to the first closed position after the first position switching power is removed.
5. The control mechanism according to claim 1 or 4, characterized in that the control mechanism comprises a second elastic return element which exerts a force that causes the second control spool to switch to the second closed position after the second position switching power is removed.
6. The control mechanism of claim 1, wherein the second control spool further comprises a second adjustment position between the second open position and a second closed position for adjusting a second control spool opening degree;
The sliding part also receives a first adjusting power along the first direction to adjust the opening degree of the first control valve core; the sliding component also receives a second adjusting power along a second direction to adjust the opening degree of the second control valve core.
7. A sliding sleeve control valve, comprising: a valve body and a control mechanism of any one of claims 1 to 6, the valve body being provided therein with an actuator valve core and a pressure relief valve core for relieving pressure in an input flow passage of the valve body, the valve body having an output valve hole communicating with an external actuator and a pressure output valve hole for relieving pressure, the actuator valve core having at least an output position for opening the output valve hole and a shut-off position for closing the output valve hole; the pressure relief valve core is provided with at least a pressure relief position for opening the pressure output valve hole and a pressure maintaining position for closing the pressure output valve hole;
and the control mechanism of the valve is used for controlling the actuating valve core and the pressure relief valve core to act.
8. The sliding sleeve control valve of claim 7 wherein the valve body has a relief valve bore in communication with the output valve bore for relieving pressure from an external actuator and a plug that can block the relief valve bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810256303.8A CN108331943B (en) | 2018-03-27 | 2018-03-27 | Control mechanism of valve and sliding sleeve control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810256303.8A CN108331943B (en) | 2018-03-27 | 2018-03-27 | Control mechanism of valve and sliding sleeve control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108331943A CN108331943A (en) | 2018-07-27 |
| CN108331943B true CN108331943B (en) | 2024-05-10 |
Family
ID=62931591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810256303.8A Active CN108331943B (en) | 2018-03-27 | 2018-03-27 | Control mechanism of valve and sliding sleeve control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108331943B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202381759U (en) * | 2011-11-16 | 2012-08-15 | 四川制动科技股份有限公司 | Pressure control valve |
| CN103672037A (en) * | 2012-09-26 | 2014-03-26 | 苏州工业园区咖乐美电器有限公司 | Liquid diverting device |
| CN208153788U (en) * | 2018-03-27 | 2018-11-27 | 华南理工大学 | A kind of control mechanism and sliding sleeve control valve of valve |
-
2018
- 2018-03-27 CN CN201810256303.8A patent/CN108331943B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202381759U (en) * | 2011-11-16 | 2012-08-15 | 四川制动科技股份有限公司 | Pressure control valve |
| CN103672037A (en) * | 2012-09-26 | 2014-03-26 | 苏州工业园区咖乐美电器有限公司 | Liquid diverting device |
| CN208153788U (en) * | 2018-03-27 | 2018-11-27 | 华南理工大学 | A kind of control mechanism and sliding sleeve control valve of valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108331943A (en) | 2018-07-27 |
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