CN220151949U - Rotary flow control valve suitable for swinging motion - Google Patents
Rotary flow control valve suitable for swinging motion Download PDFInfo
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- CN220151949U CN220151949U CN202321508818.5U CN202321508818U CN220151949U CN 220151949 U CN220151949 U CN 220151949U CN 202321508818 U CN202321508818 U CN 202321508818U CN 220151949 U CN220151949 U CN 220151949U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 16
- 239000003566 sealing material Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a rotary flow control valve suitable for swinging movement, which comprises a valve body with a cylindrical structure, a valve core rotatably connected in the valve body and a miniature stepping motor connected with the valve core; the valve body is of a cylindrical structure, two openings are formed in the circumferential cylinder wall surrounding the valve body, three holes are formed in each opening, the valve core is of a cylindrical structure and is rotatably assembled in the valve body, two Y-shaped air flow channels penetrating the valve core in the diameter direction are formed in the positions of the corresponding sections of the valve core and the valve body openings, and the two Y-shaped air flow channels are respectively a Y-shaped air flow channel A and a Y-shaped air flow channel B, so that the aim that only one rotary flow control valve is needed by two cylinders of the swing motion power device is fulfilled, the cost and the complexity of a swing motion control system are reduced, and the valve core is scientific, reasonable, simple and compact in overall structure and convenient to operate; it is widely suitable for fluid transportation and matching.
Description
Technical Field
The present utility model relates to valve control devices, and more particularly to a rotary flow control valve adapted for oscillating movement.
Background
Patent No. 2022212631372 (a rotary flow control valve) discloses a technical solution of a rotary flow control valve, which realizes flow change and flow direction change of an air flow inlet and outlet of a pneumatic device by a simple method.
When the motion is in a swinging motion form, for example, the leg joint of a humanoid robot, when air pressure is used as power, a pneumatic machine generally adopts a basic structure of a reciprocating cylinder and an air pressure swinging wheel, and the structure can generally adopt two linkage cylinders: cylinder a and cylinder B. The linkage relation is that when the air cylinder A flows into the air flow, the air cylinder B discharges the air flow; when cylinder B flows into the air flow, cylinder a discharges the air flow.
If a rotary flow control valve of patent No. 2022212631372 is used, a swinging motion power plant typically requires two rotary flow control valves for flow and direction control.
Disclosure of Invention
In view of the above, the present utility model aims to provide a rotary flow control valve suitable for swinging movement, which adopts a structure that two air inlets, two air outlets and two air outlets are respectively arranged on a valve body, and combines two Y-shaped airflow channels arranged on a rotary valve core to control flow change and flow direction change. The air inlet corresponding to one Y-shaped air flow channel is an air outlet at the same position corresponding to the other Y-shaped air flow channel; the exhaust port corresponding to the Y-shaped airflow channel is an air inlet at the same position corresponding to the other Y-shaped airflow channel; the positions of the air outlets corresponding to the two Y-shaped air flow channels are the same. The structure realizes that the power device of swinging motion controls flow change and flow direction change by using one rotary flow control valve, and compared with the patent number 2022212631372 (one rotary flow control valve), the power device of swinging motion adopts the utility model, and can generally save half of rotary flow control valves.
In order to achieve the above object, a rotary flow control valve adapted for swinging movement comprises a valve body, a valve core, and a micro stepping motor connected to the valve core; and
the valve body is of a cylindrical structure, two openings are formed in the wall of the circumference of the valve body, three holes are formed in each opening, one opening is provided with an air inlet A, an air outlet A and an air outlet A in turn in the anticlockwise direction, and the other opening is provided with an air outlet B, an air outlet B and an air inlet B in turn in the anticlockwise direction; and
the valve core is of a cylindrical structure and is rotationally assembled in the valve body, two Y-shaped airflow channels penetrating through the valve core in the diameter direction are arranged at the positions of the corresponding sections of the valve core and the valve body openings, namely a Y-shaped airflow channel A and a Y-shaped airflow channel B, and three openings of the Y-shaped airflow channel are an opening A, an opening B and an opening C in turn in the anticlockwise direction; and
when the micro stepping motor drives the opening A of the Y-shaped airflow channel A of the valve core to be aligned with the air inlet A on the valve body, the opening B of the Y-shaped airflow channel A of the valve core can be communicated with the air outlet A on the valve body, and the opening C of the Y-shaped airflow channel A of the valve core and the air outlet A on the valve body are closed; and
when the micro stepping motor drives the opening A of the Y-shaped airflow channel A of the valve core to be aligned with the air outlet A on the valve body, the opening C of the Y-shaped airflow channel A of the valve core can be communicated with the air outlet A on the valve body, the opening B of the Y-shaped airflow channel A of the valve core is closed with the air inlet A on the valve body, at the moment, the opening A of the Y-shaped airflow channel B of the valve core is aligned with the air inlet B on the valve body, the opening C of the Y-shaped airflow channel B of the valve core is communicated with the air outlet B on the valve body, and the opening B of the Y-shaped airflow channel B of the valve core is closed with the air outlet B on the valve body.
In order to realize the optimization of the structure and the effect, the further measures are as follows: the inner wall of the valve body is provided with a plurality of annular sealing grooves which are symmetrically distributed on two sides of an air inlet A and an air inlet B, an air outlet A and an air outlet B and an air outlet A and an air outlet B on the valve body.
The valve core is made of elastic body sealing materials, and a plurality of sealing rings are protruded on the outer surface of the valve core and correspondingly assembled with sealing grooves on the inner wall of the valve body.
One end of the valve body is provided with an end cover, and the other end of the valve body is provided with a bottom cover.
The axial centers of the two ends of the valve core are respectively provided with a rotating shaft.
The miniature stepping motor is fixedly connected to the outer side of the end cover, and an output shaft of the miniature stepping motor is fixedly connected with a valve core rotating shaft positioned on one side of the end cover.
Compared with the prior art, the utility model has the beneficial effects that:
1. the patent number 2022212631372 (a rotary flow control valve) realizes the integration of gas delivery and rapid gas discharge, solves the problems that the flow control valve in the prior art has no gas discharge function and needs to be additionally provided with a gas discharge pipeline and a gas discharge valve, but the valve can only control one gas flow inlet and outlet of a pneumatic power device, and generally each pneumatic power device in swinging motion has two gas flow inlets and outlets, so that the two rotary flow control valves are needed to be matched. The utility model has the advantages that the utility model provides the rotary flow control valve suitable for swinging motion, and the pneumatic power device for swinging motion controls flow change and flow direction change by using one rotary flow control valve by utilizing the linkage relation of the two air flow inlets and outlets of the pneumatic power device for swinging motion, compared with the patent number 2022212631372 (a rotary flow control valve), the utility model can generally save half of rotary flow control valves by adopting the power device for swinging motion.
The utility model is widely suitable for fluid conveying matching of swinging motion.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic perspective view of a rotary flow control valve adapted for oscillating movement in accordance with the present utility model.
FIG. 2 is a schematic elevation view of a rotary flow control valve adapted for swinging motion in accordance with the present utility model.
FIG. 3 is a schematic view of section A-A of FIG. 2 (Y-shaped airflow channel A).
FIG. 4 is a schematic view of section B-B of FIG. 2 (Y-shaped airflow channel B).
FIG. 5 is a schematic diagram of a valve core according to the present utility model.
FIG. 6 is a schematic view of section 1-1 of FIG. 5.
FIG. 7 is a schematic view of the valve body according to the present utility model.
Fig. 8 is a schematic cross-sectional view of fig. 7 at 2-2.
Fig. 9 is a schematic view of a bottom cover structure according to the present utility model.
Fig. 10 is a schematic cross-sectional view of fig. 9 at 3-3.
FIG. 11 is a schematic view of the end cap of the present utility model.
Fig. 12 is a schematic view in section 4-4 of fig. 11.
Fig. 13 is a schematic view of a reciprocating cylinder in accordance with the present utility model.
FIG. 14 is a schematic view of an air pressure swing wheel according to the present utility model
In the figure: 1-valve core, 2-valve body, 3-bottom cover, 4-end cover, 5-miniature stepper motor, 6-cylinder A, 7-cylinder B, 11-Y-shaped airflow channel A, 12-Y-shaped airflow channel B, 13-rotating shaft, 21-air inlet A, 22-air outlet A, 23-air outlet A, 24-air inlet B, 25-air outlet B, 26-air outlet B, 27-static sealing gasket A, 28-static sealing gasket B, 29-bolt, 51-miniature stepper motor output shaft, 61-cylinder A inlet and outlet, 71-cylinder B inlet and outlet.
Detailed Description
Referring to fig. 1 to 12, the present utility model is implemented as follows: a rotary flow control valve suitable for swinging movement comprises a valve body 2, a valve core 1 and a miniature stepping motor 5 connected with the valve core; and
the valve body 2 is of a cylindrical structure, two openings are formed in the circumferential cylinder wall surrounding the valve body 2, three holes are formed in each opening, one opening is provided with an air inlet A21, an air outlet A22 and an air outlet A23 in turn in the anticlockwise direction, and the other opening is provided with an air outlet B26, an air outlet B25 and an air inlet B24 in turn in the anticlockwise direction; and
the valve core 1 is in a cylindrical structure and is rotationally assembled in the valve body 2, two Y-shaped airflow channels penetrating through the valve core 1 in the diameter direction are arranged at the corresponding section positions of the valve body 2 openings, namely a Y-shaped airflow channel A11 and a Y-shaped airflow channel B12, and three openings of the Y-shaped airflow channel are an opening A, an opening B and an opening C in turn in the anticlockwise direction; and
when the micro stepping motor 5 drives the opening A of the Y-shaped airflow channel A11 of the valve core 1 to be aligned with the air inlet A21 on the valve body 2, the opening B of the Y-shaped airflow channel A11 of the valve core 1 can be communicated with the air outlet A22 on the valve body 2, the opening C of the Y-shaped airflow channel A11 of the valve core 1 is closed with the air outlet A23 on the valve body 2, at the moment, the opening A of the Y-shaped airflow channel B12 of the valve core 1 is aligned with the air outlet B26 on the valve body 2, the opening B of the Y-shaped airflow channel B12 of the valve core 1 is communicated with the air outlet B25 on the valve body 2, and the opening C of the Y-shaped airflow channel B12 of the valve core 1 and the air inlet B24 on the valve body 2 are closed; and
when the micro stepping motor 5 drives the opening a of the Y-shaped air flow passage a11 of the valve core 1 to be aligned with the air outlet a23 on the valve body 2, the opening C of the Y-shaped air flow passage a11 of the valve core 1 may be communicated with the air outlet a22 on the valve body 2, while the opening B of the Y-shaped air flow passage a11 of the valve core 1 is closed with the air inlet a21 on the valve body 2, at this time, the opening a of the Y-shaped air flow passage B12 of the valve core 1 is aligned with the air inlet B24 on the valve body 2, the opening C of the Y-shaped air flow passage B12 of the valve core 1 is communicated with the air outlet B25 on the valve body 2, and the opening B of the Y-shaped air flow passage B12 of the valve core 1 and the air outlet B26 on the valve body 2 are closed.
Referring to fig. 1 to 12, a plurality of annular seal grooves are arranged on the inner wall of the valve body 2, and the plurality of seal grooves are symmetrically distributed on two sides of an air inlet a21 and an air inlet B24, an air outlet a22 and an air outlet B25, and an air outlet a23 and an air outlet B26 on the valve body.
Referring to fig. 1 to 12, the valve core 1 is made of a plastic sealing material, a plurality of sealing rings protruding from the outer surface of the valve core are correspondingly assembled with sealing grooves on the inner wall of the valve body 2, two or three annular sealing grooves are symmetrically arranged on the inner walls of two ends of the valve body 2 respectively, and meanwhile, the outer surface of the valve core 1 is correspondingly assembled with the sealing grooves, which is equivalent to arranging a multi-layer sealing structure on two sides of an air inlet, an air outlet and an air outlet, so that the overall sealing performance of the valve is greatly improved, the gas in the valve device can be effectively prevented from leaking, and the running cost is reduced.
Referring to fig. 1 to 12, one end of the valve body 2 is provided with an end cover 4, the other end of the valve body 2 is provided with a bottom cover 3, and the structure of the end cover 4 and the bottom cover 3 is beneficial to further improving the overall sealing performance of the device and ensuring the overall installation of the device to be firm and reliable.
Referring to fig. 1 to 12, the axial centers of the two ends of the valve core 1 are respectively provided with a rotating shaft 13, the micro stepping motor 5 is fixedly connected to the outer side of the end cover 4, and the output shaft 51 of the micro stepping motor is fixedly connected with the rotating shaft 13 positioned at one side of the end cover 4, so that the operation is simple and smooth, and the coordination control is good.
Referring to fig. 1 to 14, the working principle of the present utility model is as follows:
the rotary flow control valve is arranged on a swinging gas conveying pipeline, a swinging pneumatic power device generally adopts a reciprocating cylinder or a pneumatic swinging wheel, and the pneumatic power device generally comprises two cylinders: cylinder A6 and cylinder B7. The relationship between the pneumatic power device and the rotary flow control valve of the utility model is: if the inlet and outlet 61 of the cylinder A is connected with the air outlet A22, the inlet and outlet 71 of the cylinder B is connected with the air outlet B25. The cylinder A6 and the cylinder B7 have linkage relation: air is taken in by the air cylinder A6, and air is taken out by the air cylinder B7; and the cylinder B7 is in air, and the cylinder A6 is out air.
The micro stepping motor 5 adopts a digital signal control system to control the micro stepping motor output shaft 51 to operate clockwise or anticlockwise, and meanwhile, the digital signal control system can control the operating angle of the micro stepping motor output shaft 51 so as to achieve the purpose of controlling flow.
In a normal non-working state, the air inlet A21 and the air inlet B24, the air outlet A22 and the air outlet B25, and the air outlet A23 and the air outlet B26 on the valve body 2 are all in a closed state;
when the air outlet A22 connected with the inlet and outlet 61 of the air cylinder A needs to be inflated, the micro stepping motor 5 is controlled to be started to drive the valve core 1 to rotate by a certain angle, so that the opening A of the Y-shaped air flow channel 11 of the valve core 1 is aligned with the air inlet A21 on the valve body 2, at the moment, the opening B of the Y-shaped air flow channel A11 of the valve core 1 can be communicated with the air outlet A22 on the valve body 2, the air outlet A23 on the valve body 2 and the opening C of the Y-shaped air flow channel A11 on the valve core 1 are in a closed state, and the Y-shaped air flow channel B12 on the valve core 1 is communicated with the air outlet B26 and the air outlet B25 on the valve body 2. High-pressure gas is input from an air inlet A21 of the valve body 2, passes through the Y-shaped airflow channel A11, is output from an air outlet A22 of the valve body 2 and enters the air cylinder A6, so that the purpose of inflating the air cylinder A6 is achieved, and meanwhile, the gas of the air cylinder B7 is discharged from an air outlet B25, passes through the Y-shaped airflow channel B12 and is discharged from an exhaust hole B26.
When the air outlet B25 connected with the inlet and outlet 71 of the air cylinder B needs to be inflated, the micro stepping motor 5 is controlled to be started to drive the valve core 1 to rotate by a certain angle, so that the opening A of the Y-shaped air flow channel B12 of the valve core 1 is aligned with the air inlet B24 on the valve body 2, at the moment, the opening C of the Y-shaped air flow channel B12 of the valve core 1 can be communicated with the air outlet B25 on the valve body 2, the air outlet B26 on the valve body 2 and the opening B of the Y-shaped air flow channel B12 on the valve core 1 are in a closed state, and the Y-shaped air flow channel A11 on the valve core 1 is communicated with the air outlet A23 and the air outlet A22 on the valve body 2. The high-pressure gas is input from the gas inlet B24 of the valve body 2, passes through the Y-shaped gas flow channel B12, is output from the gas outlet B25 of the valve body 2 and enters the cylinder B7, so that the purpose of inflating the cylinder B7 is realized, and meanwhile, the gas of the cylinder A6 is discharged from the gas outlet A22, passes through the Y-shaped gas flow channel A11 and is discharged from the gas outlet A23.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the concept thereof, can be replaced or changed equally within the scope of the present utility model.
Claims (6)
1. The rotary flow control valve suitable for swinging motion is characterized by comprising a valve body (2), a valve core (1) and a miniature stepping motor (5) connected with the valve core; and
the valve body (2) is of a cylindrical structure, two openings are formed in the circumferential cylinder wall surrounding the valve body (2), three openings are formed in each opening, one opening is an air inlet A (21), an air outlet A (22) and an air outlet A (23) in a counter-clockwise direction, and the other opening is an air outlet B (26), an air outlet B (25) and an air inlet B (24) in a counter-clockwise direction; and
the valve core (1) is in a cylindrical structure and is rotationally assembled in the valve body (2), two Y-shaped airflow channels penetrating through the valve core (1) in the diameter direction are arranged at the positions of the corresponding sections of the openings of the valve body (2), the two Y-shaped airflow channels are respectively a Y-shaped airflow channel A (11) and a Y-shaped airflow channel B (12), and three openings of the Y-shaped airflow channels are an opening A, an opening B and an opening C in turn in the anticlockwise direction; and
when the micro stepping motor (5) drives the opening A of the Y-shaped airflow channel A (11) of the valve core (1) to be aligned with the air inlet A (21) on the valve body (2), the opening B of the Y-shaped airflow channel A (11) of the valve core (1) can be communicated with the air outlet A (22) on the valve body (2), the opening C of the Y-shaped airflow channel A (11) of the valve core (1) is closed with the air outlet A (23) on the valve body (2), at the moment, the opening A of the Y-shaped airflow channel B (12) of the valve core (1) is aligned with the air outlet B (26) on the valve body (2), the opening B of the Y-shaped airflow channel B (12) of the valve core (1) is communicated with the air outlet B (25) on the valve body (2), and the opening C of the Y-shaped airflow channel B (12) of the valve core (1) and the air inlet B (24) on the valve body (2) are closed; and
when the micro stepping motor (5) drives the opening A of the Y-shaped airflow channel A (11) of the valve core (1) to be aligned with the air outlet A (23) on the valve body (2), the opening C of the Y-shaped airflow channel A (11) of the valve core (1) can be communicated with the air outlet A (22) on the valve body (2), the opening B of the Y-shaped airflow channel A (11) of the valve core (1) is closed with the air inlet A (21) on the valve body (2), at the moment, the opening A of the Y-shaped airflow channel B (12) of the valve core (1) is aligned with the air inlet B (24) on the valve body (2), the opening C of the Y-shaped airflow channel B (12) of the valve core (1) is communicated with the air outlet B (25) on the valve body (2), and the opening B of the Y-shaped airflow channel B (12) of the valve core (1) and the air outlet B (26) on the valve body (2) are closed.
2. The rotary flow control valve suitable for swinging motion according to claim 1, characterized in that a plurality of annular sealing grooves are arranged on the inner wall of the valve body (2), and the plurality of sealing grooves are symmetrically distributed on two sides of an air inlet A (21) and an air inlet B (24), an air outlet A (22) and an air outlet B (25), an air outlet A (23) and an air outlet B (26) on the valve body.
3. The rotary flow control valve suitable for swinging motion according to claim 1 is characterized in that the valve core (1) is made of elastic body sealing materials, and a plurality of sealing rings protruding from the outer surface of the valve core are correspondingly assembled with sealing grooves on the inner wall of the valve body (2).
4. A rotary flow control valve adapted for swinging movement according to claim 1, characterized in that one end of the valve body (2) is provided with an end cap (4) and the other end of the valve body (2) is provided with a bottom cap (3).
5. A rotary flow control valve adapted for swinging movement according to claim 1, characterized in that the axial centers of the two ends of the valve core (1) are respectively provided with a rotary shaft (13).
6. A rotary flow control valve adapted for swinging movement according to claim 1, characterized in that the micro-stepper motor (5) is fixedly connected to the outside of the end cap (4), and the micro-stepper motor output shaft (51) is fixedly connected to the rotary shaft (13) at one side of the end cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508818.5U CN220151949U (en) | 2023-06-14 | 2023-06-14 | Rotary flow control valve suitable for swinging motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508818.5U CN220151949U (en) | 2023-06-14 | 2023-06-14 | Rotary flow control valve suitable for swinging motion |
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| Publication Number | Publication Date |
|---|---|
| CN220151949U true CN220151949U (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508818.5U Active CN220151949U (en) | 2023-06-14 | 2023-06-14 | Rotary flow control valve suitable for swinging motion |
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| Country | Link |
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| CN (1) | CN220151949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117506882A (en) * | 2023-12-17 | 2024-02-06 | 梁勇智 | A flow and flow direction control system suitable for fluid power humanoid robot joint swing |
-
2023
- 2023-06-14 CN CN202321508818.5U patent/CN220151949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117506882A (en) * | 2023-12-17 | 2024-02-06 | 梁勇智 | A flow and flow direction control system suitable for fluid power humanoid robot joint swing |
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