CN209990941U - Pneumatic valve and parallel multi-path system based on same - Google Patents
Pneumatic valve and parallel multi-path system based on same Download PDFInfo
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- CN209990941U CN209990941U CN201920778188.0U CN201920778188U CN209990941U CN 209990941 U CN209990941 U CN 209990941U CN 201920778188 U CN201920778188 U CN 201920778188U CN 209990941 U CN209990941 U CN 209990941U
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Abstract
The utility model relates to a pneumatic line carries technical field, discloses a pneumatic valve and parallelly connected multichannel system based on pneumatic valve thereof. The utility model discloses pneumatic valve includes: the ball body is provided with a hollow pipeline and a transmission groove; one end of the valve rod is matched with the transmission groove, and the other end of the valve rod is connected with the actuator rotating shaft; the actuator rotating shaft is connected with two racks oppositely arranged in the actuator inner piston, the actuator is also provided with an A port and a B port for compressed gas to enter and exit, and one ends of the A port and the B port are respectively connected with an inlet and an outlet of a control valve so that the control valve controls the reversing of the actuator; the valve rod drives the hollow pipeline in the ball body to switch the on-off state of the inlet and the outlet of the pipeline in the valve body.
Description
Technical Field
The utility model relates to a pneumatic line carries technical field, especially relates to a pneumatic valve and parallelly connected multichannel system based on pneumatic valve thereof.
Background
Most of current sanitation and municipal equipment are provided with a waterway system, and most of current waterway control, particularly high-pressure waterway control, mostly rely on an electromagnetic water valve, are driven by direct large magnetic force, and are limited to be used in occasions where electromagnetic force is not sufficient due to clamping stagnation of valve core scale or electric power is not supplied, such as engineering vehicles or sanitation equipment, and the like, so that the applicability is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a pneumatic valve and parallelly connected multichannel system based on pneumatic valve for solve the limited technical problem such as of use occasion among the prior art, with the use scene of the parallelly connected multichannel system of extension, and improved the suitability.
In order to achieve the above object, the present invention discloses a pneumatic valve, including:
the ball body is provided with a hollow pipeline and a transmission groove;
one end of the valve rod is matched with the transmission groove;
the other end of the valve rod is connected with an actuator rotating shaft;
the actuator rotating shaft is connected with two racks oppositely arranged in the actuator inner piston, the actuator is also provided with an A port and a B port for compressed gas to enter and exit, and one ends of the A port and the B port are respectively connected with an inlet and an outlet of a control valve so that the control valve controls the reversing of the actuator;
the valve rod drives the hollow pipeline in the ball body to switch the on-off state of the inlet and the outlet of the pipeline in the valve body.
Preferably, the other end of the port A is connected with a middle cavity between two pistons in the actuator, and the other end of the port B is connected with two edge cavities between the two pistons and the actuator cylinder; the control mechanism of the control valve is respectively as follows: when compressed gas enters from the port A, the piston slides outwards left and right, internal gas is discharged from the port B, and a rack on the piston drives a gear to further drive the rotating shaft of the actuator to rotate clockwise by a corresponding angle; when compressed gas enters from the port B, the piston slides leftwards and rightwards, and internal gas is discharged from the port A to drive the rotating shaft of the actuator to rotate anticlockwise by a corresponding angle; thereby realizing that: the valve rod drives the hollow pipeline in the ball body to switch on-off states with the inlet and the outlet of the pipeline in the valve body.
Optionally, the actuator rotating shaft is connected with the actuator cylinder to avoid sliding left and right along with the driving of the piston rack.
Furthermore, the actuator rotating shaft is located in the middle of the actuator cylinder, and the two pistons in the actuator are symmetrically distributed relative to the actuator rotating shaft.
Preferably, a connecting mechanism of the integrated valve block is further arranged, so that an inlet of a pipeline in the valve body is communicated with an outlet of a pipeline in the integrated valve block.
Preferably, the actuator is provided with a gas pipe joint, and a communication pipeline between the control valve and the ports a and B of the actuator is provided with a damping plug for reducing the movement speed of the actuator piston in the cylinder body.
Preferably, the actuator rotating shaft is in transmission connection with the valve rod.
Preferably, a connecting mechanism of the integrated valve block is further arranged, so that an inlet of a pipeline in the valve body is communicated with an outlet of a pipeline in the integrated valve block.
In order to achieve the above object, the present invention further discloses a parallel multi-path system based on pneumatic valves, or may be referred to as "parallel multi-path pneumatic valves", which includes at least two pneumatic valves installed on an integrated valve block, and each of the pneumatic valves has an inlet of a valve body inner pipeline connected to each outlet of the integrated valve block inner pipeline in a one-to-one correspondence manner.
The utility model discloses following beneficial effect has:
the air inlet and outlet directions of the port A and the port B are switched or adjusted to drive the two pistons to move relatively or oppositely, so that the actuator rotating shaft is driven to rotate forward or reversely by the meshing of the two racks and the actuator rotating shaft, and the ball body is driven to rotate by the valve rod to switch the on-off states of the hollow pipeline in the ball body and the inlet and outlet of the pipeline in the valve body; the pneumatic driving pipeline and the transmission mechanism can realize on-off state switching of the valve body under the gas driving force, the on-off of the valve body can be still smoothly controlled by the manual reversing valve in the scene of limited electric power without depending on electric power, and the on-off of the valve body with large torque can be controlled by reversing the electromagnetic reversing valve with small magnetic force due to small reversing force required by gas, so that the applicability of the valve and a parallel multi-path system based on the valve is greatly improved, and the pneumatic driving pipeline and the transmission mechanism are particularly suitable for environmental sanitation vehicles and engineering vehicles.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic diagram of the overall structure of a parallel multi-way pneumatic valve of the present invention.
Fig. 2 is a schematic structural view of the damping joint (1) of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the one-way pneumatic valve (2) in the fully opened state.
Fig. 4 is a schematic view of the internal structure of the one-way pneumatic valve (2) in the fully closed state.
Fig. 5 is a schematic diagram of the internal transmission of the pneumatic actuator of the present invention.
Fig. 6 is a schematic structural diagram of the integrated valve block (3) of the present invention.
[ Mark Specification ]
1. A damping joint; 2. a one-way pneumatic valve; 3. and (4) integrating the valve block.
101. A gas pipe joint; 102. a damping plug.
201. An actuator; 202. a hexagon head bolt; 203. a gland bolt; 204. a gland; 205. a filler group; 206. a self-locking nut; 207. a valve stem seal ring; 208. a valve stem wear ring; 209. a threaded valve cover; 210. a socket head cap screw; 211. a ball seal ring; 212. a valve body; 213. a sphere; 214. a valve cover sealing ring; 215. a valve stem; 216. a flange valve cover; 217. a bolt; 218. an O-shaped sealing ring.
301. An actuator end cap; 302. an actuator cylinder; 303. an actuator shaft; 304. an actuator piston.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Example 1
The embodiment discloses a pneumatic valve and a parallel multi-path system based on the pneumatic valve.
Referring to fig. 1 to 6, the parallel multi-path system based on the pneumatic valves of the present embodiment includes at least two or more pneumatic valves 2 installed on an integrated valve block 3, and inlets of the internal pipelines of the valve body of each pneumatic valve are respectively connected with outlets of the internal pipelines of the integrated valve block in a one-to-one correspondence manner.
The present embodiment air-operated valve includes: a receiving chamber disposed in the valve body 212, wherein a ball 213 having a hollow pipe and a transmission groove is disposed in the receiving chamber; one end of the valve rod 215 is matched with the transmission groove, and the other end of the valve rod is in transmission connection with the actuator rotating shaft 303; the actuator rotating shaft is meshed with two racks oppositely arranged on the actuator piston 304 to form transmission connection, the actuator is also provided with an opening A and an opening B for compressed gas to enter and exit, and one ends of the opening A and the opening B are respectively connected with an inlet and an outlet of a control valve; the control valve can be a manual reversing valve or an electromagnetic reversing valve, the other end of the port A is connected with a middle cavity between two pistons in the actuator, and the other end of the port B is connected with two edge cavities between the two pistons and the actuator cylinder body.
The actuator body comprises an actuator end cover 301, an actuator cylinder 302, an actuator rotating shaft 303 and an actuator piston 304; the two actuator end covers 301 are respectively fixed at two ends of the actuator cylinder 302 to form containers, the actuator piston 304 respectively comprises a plug rod and a plug head, and the plug head is matched with the cross section of the actuator cylinder 302 and can freely slide in the actuator cylinder 302 under the action of gas pressure difference; the plug rod ends of the two actuator pistons 304 are close to each other and form a gap with each other, and the meshing transmission of the gear and the rack is formed between the two plug rods and the actuator rotating shaft positioned in the gap between the two plug rods; edge cavities are formed between the two pistons and the two actuator end covers 301 respectively, a middle cavity is formed between the two pistons, a channel is arranged at the bottom of the actuator cylinder body 302 to communicate the two edge cavities, the port A penetrates through the bottom wall of the actuator cylinder body 302 and communicates with the middle cavity, and the port B penetrates through the wall of the actuator cylinder body 302 and communicates with the edge cavities.
According to the scheme, when the air inlet and outlet directions of the port A and the port B are changed, the movement directions of the two actuator pistons 304 are changed, the rotation direction of the actuator rotating shaft 303 is changed, the rotation direction of the valve rod 215 is finally changed, and then the rotation of the ball body 214 is realized, so that the hollow pipeline of the ball body 214 is communicated or cut off along with the rotation, and the opening or closing of the air-operated valve is completed.
Referring to fig. 5, when compressed gas enters from the port a, the piston slides towards the left and right sides (outward), internal gas is discharged from the port B, and the rack on the piston drives the gear on the actuator rotating shaft 303, so as to drive the actuator rotating shaft 303 to rotate clockwise by a corresponding angle; when compressed gas enters from the port B, the piston slides inwards from the left side and the right side relatively, and internal gas is discharged from the port A to drive the actuator rotating shaft 303 to rotate anticlockwise by a corresponding angle; thereby realizing that: the valve rod 215 is used for transmission (for example, rotation) to drive the hollow pipeline in the ball body to switch the on-off state of the inlet and the outlet of the pipeline in the valve body.
Optionally, the actuator shaft of the present embodiment is connected to the actuator cylinder 302 to avoid sliding left and right with the piston rack. Preferably, the actuator rotating shaft is located in the middle of the actuator cylinder, and the two pistons are symmetrically distributed relative to the actuator rotating shaft.
In this embodiment, the pneumatic valve is further provided with a connecting mechanism for connecting the pneumatic valve with the integrated valve block, so that an inlet of the pipeline in the valve body is communicated with an outlet of the pipeline in the integrated valve block. An air pipe joint 101 is arranged on the actuator, and damping plugs 102 are arranged on communication pipelines of the control valve and the ports A and B of the actuator so as to slow down the movement speed of the actuator piston in the cylinder body; the connection relationship between the damping plug 102 and the corresponding air pipe joint 101 is shown in fig. 2.
As shown in fig. 3 and 4, the pneumatic valve of the present embodiment is further provided with other corresponding components, and corresponding seals or fasteners between the components, which are well known to those skilled in the art. For example: a hexagon head bolt 202; a gland bolt 203; a gland 204; a filler group 205; a self-locking nut 206; a valve stem gasket 207; valve stem wear rings 208; a threaded valve cover 209; a socket head cap screw 210; a ball seal ring 211; a bonnet seal 214; a flange valve cover 216; a bolt 217; an O-ring seal 218. The partial structure is not original, so that the connection relation of the figures is not expanded and the text is repeated; in addition, the partial structure of the part can also participate in the prior application of the CN109458481A patent by the applicant.
In summary, the pneumatic valve and the parallel multi-path system based on the pneumatic valve disclosed in the embodiment have the following beneficial effects:
the structure is simple and practical, the performance is stable, and the operation is convenient. Moreover, the actuator and the existing valve body structure part can be produced and manufactured in parallel and then butt-jointed and assembled, so that the productivity can be greatly improved. The air inlet and outlet directions of the port A and the port B are switched or adjusted to drive the two pistons to move relatively or oppositely, so that the actuator rotating shaft is driven to rotate forward or reversely by the meshing of the two racks and the actuator rotating shaft, and the ball body is driven to rotate by the valve rod to switch the on-off states of the hollow pipeline in the ball body and the inlet and outlet of the pipeline in the valve body; the pneumatic driving pipeline and the transmission mechanism can realize on-off state switching of the valve body under the gas driving force, the on-off of the valve body can be still smoothly controlled by the manual reversing valve in the scene of limited electric power without depending on electric power, and the on-off of the valve body with large torque can be controlled by reversing the electromagnetic reversing valve with small magnetic force due to small reversing force required by gas, so that the applicability of the valve and a parallel multi-path system based on the valve is greatly improved, and the pneumatic driving pipeline and the transmission mechanism are particularly suitable for environmental sanitation equipment and engineering vehicles.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A pneumatic valve comprising:
the ball body is provided with a hollow pipeline and a transmission groove;
one end of the valve rod is matched with the transmission groove;
the other end of the valve rod is connected with an actuator rotating shaft;
the actuator rotating shaft is connected with two racks oppositely arranged in the actuator inner piston, the actuator is also provided with an A port and a B port for compressed gas to enter and exit, and one ends of the A port and the B port are respectively connected with an inlet and an outlet of a control valve so that the control valve controls the reversing of the actuator;
the valve rod drives the hollow pipeline in the ball body to switch the on-off state of the inlet and the outlet of the pipeline in the valve body.
2. The pneumatic valve of claim 1, wherein the other end of port a is connected to a middle chamber between two pistons in the actuator, and the other end of port B is connected to two edge chambers between the two pistons and the actuator cylinder; the control mechanism of the control valve is respectively as follows:
when compressed gas enters from the port A, the piston slides outwards left and right, internal gas is discharged from the port B, and a rack on the piston drives a gear to further drive the rotating shaft of the actuator to rotate clockwise by a corresponding angle; when compressed gas enters from the port B, the piston slides leftwards and rightwards, and internal gas is discharged from the port A to drive the rotating shaft of the actuator to rotate anticlockwise by a corresponding angle; thereby realizing that: the valve rod drives the hollow pipeline in the ball body to switch on-off states with the inlet and the outlet of the pipeline in the valve body.
3. The pneumatic valve of claim 1, wherein the actuator shaft is coupled to the actuator cylinder to prevent side-to-side slippage with the piston rack.
4. A pneumatic valve as in claim 2, wherein the actuator shaft is located at a central location of the actuator cylinder, and the pistons are symmetrically disposed about the actuator shaft.
5. The pneumatic valve of any of claims 1 to 4, further comprising a connection mechanism to the manifold block to provide communication between an inlet of the manifold in the valve body and an outlet of the manifold in the manifold block.
6. A pneumatic valve as claimed in any one of claims 1 to 4, wherein the actuator is fitted with a pneumatic connector, and damping plugs for reducing the speed of movement of the actuator piston in the cylinder are provided in communication lines between the control valve and ports A and B of the actuator.
7. A pneumatic valve as set forth in claim 1, wherein said actuator shaft is drivingly connected to said valve stem.
8. The pneumatic valve of claim 7, further comprising a connection mechanism to the manifold block to provide communication between the inlet of the conduit within the valve body and the outlet of the conduit within the manifold block.
9. A parallel multi-channel system based on a pneumatic valve, which is characterized by comprising at least two pneumatic valves as claimed in any one of claims 1 to 8, which are arranged on an integrated valve block, and the inlet of the pipeline in the valve body of each pneumatic valve is respectively connected with the outlets of the pipeline in the integrated valve block in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778188.0U CN209990941U (en) | 2019-05-28 | 2019-05-28 | Pneumatic valve and parallel multi-path system based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778188.0U CN209990941U (en) | 2019-05-28 | 2019-05-28 | Pneumatic valve and parallel multi-path system based on same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990941U true CN209990941U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920778188.0U Active CN209990941U (en) | 2019-05-28 | 2019-05-28 | Pneumatic valve and parallel multi-path system based on same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990941U (en) |
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2019
- 2019-05-28 CN CN201920778188.0U patent/CN209990941U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 301, R&D Building, No. 1-1 Sanyi Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province, 410100 Patentee after: Hunan Fuli Technology Co.,Ltd. Address before: No. 401, Xingsha Blockchain Industrial Park, No.1 Lantian North Road, Xingsha Industrial Base, Changsha County Economic and Technological Development Zone, Changsha City, Hunan Province, 410000 Patentee before: HUNAN FULI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |