CN211738115U - Reversing valve with non-return function - Google Patents
Reversing valve with non-return function Download PDFInfo
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- CN211738115U CN211738115U CN202020123010.5U CN202020123010U CN211738115U CN 211738115 U CN211738115 U CN 211738115U CN 202020123010 U CN202020123010 U CN 202020123010U CN 211738115 U CN211738115 U CN 211738115U
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- shell
- discharge port
- port
- liquid inlet
- magnetic valve
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Abstract
The utility model discloses a reversing valve with a non-return function, which comprises a valve body, a magnetic valve core, a coil and a non-return part; the valve body is provided with a liquid inlet, a first exhaust port and a second exhaust port; the axes of the three parts are positioned on the same plane; a liquid inlet cavity is arranged at the inner side of the liquid inlet; the liquid inlet cavity is provided with a first communicating port and a second communicating port which are respectively communicated with the first discharge port and the second discharge port; the first communication port and the second communication port are arranged oppositely; the magnetic valve core is arranged on the valve body, one end of the magnetic valve core is provided with a plug body, and the plug body is positioned in the liquid inlet cavity; when the magnetic valve core slides to the end of one end, the plug body seals one of the first communicating port and the second communicating port; the coil ring is arranged outside the magnetic valve core; the check member is inserted on the first discharge port and/or the second discharge port. The utility model discloses a take reversing valve of contrary function that ends, its inlet, discharge port all set up on the coplanar for the size is less, and the suitability is wider, and can prevent the emergence of liquid reflux phenomenon.
Description
Technical Field
The utility model belongs to the technical field of the liquid valve structure, concretely relates to take reversing valve of contrary function.
Background
The reversing valve is used for switching the liquid conveying direction, and can change the communication relation between different discharge ports and the liquid inlet through controlling the position of the valve core, thereby realizing the change of the liquid conveying direction.
In the existing reversing valve, two discharge ports and two liquid inlets of the reversing valve are not on the same plane, so that the size of the reversing valve is relatively large, and the reversing valve cannot be suitable for some electric appliances with small space.
Further, the discharge port of the conventional reversing valve has no check structure, and when the liquid conveying direction is switched, the liquid flows back.
Therefore, a new technology is needed to solve the problems of the prior art that the reversing valve has a large size and liquid backflow occurs.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem among the prior art, the utility model provides a take reversing valve of contrary function that ends, its inlet, discharge port all set up on the coplanar for the size is less, and the suitability is wider, and can prevent the emergence of liquid backward flow phenomenon.
The utility model adopts the following technical scheme:
a reversing valve with a check function comprises: the valve comprises a valve body, a magnetic valve core, a coil and a check piece;
the valve body is provided with a liquid inlet, a first outlet and a second outlet; the axes of the liquid inlet, the first outlet and the second outlet are parallel to each other, and the axes of the liquid inlet, the first outlet and the second outlet are positioned on the same plane;
a liquid inlet cavity is arranged on the inner side of the liquid inlet; the liquid inlet cavity is provided with a first communicating port and a second communicating port which are respectively communicated with the first discharge port and the second discharge port; the first communication port and the second communication port are arranged oppositely;
the magnetic valve core is slidably arranged on the valve body, the magnetic valve core, the first communicating port and the second communicating port are arranged on the same straight line, and a plug body is arranged at one end of the magnetic valve core and is positioned in the liquid inlet cavity; when the magnetic valve core slides to the end of one end, the plug body seals one of the first communication port and the second communication port;
the coil is fixed on the valve body, is arranged outside the magnetic valve core in a surrounding manner and is used for driving the magnetic valve core to slide after being electrified;
the check member is inserted on the first discharge port and/or the second discharge port.
As a further improvement of the technical scheme of the present invention, the non-return member includes a plugging portion and a rod portion, one end of the rod portion is fixedly connected with the plugging portion, and one end of the rod portion close to the plugging portion is provided with an anti-drop protrusion;
the first discharge port and/or the second discharge port are/is provided with a through hole into which the rod part is inserted, the anti-falling bulge is positioned at the inner end of the through hole, and the blocking part is positioned at the outer end of the through hole;
the blocking portion blocks the first discharge port and/or the second discharge port when contacting the first discharge port and/or the second discharge port.
As a further improvement of the technical scheme of the utility model, the inner end face of shutoff portion is spherical convex surface.
As a further improvement of the technical scheme of the present invention, an elastic member is disposed behind one end of the magnetic valve core away from the plug body, and the elastic member presses the plug body of the magnetic valve core against the first communication port and seals the first communication port; the acting force generated by the coil after being electrified on the magnetic valve core is larger than the elastic force of the elastic piece and is opposite to the elastic force direction of the elastic piece.
As a further improvement of the technical solution of the present invention, the valve body includes a first housing, a second housing and a third housing;
the first exhaust port, the liquid inlet and the liquid inlet cavity are all arranged on the first shell;
the second discharge port is arranged on the second shell, the second shell is fixedly connected with the first shell, and a first sealing element is arranged between the second shell and the first shell;
the third shell is fixedly connected with the second shell, a sliding groove for the sliding of the magnetic valve core is formed in the third shell, and the upper end of the sliding groove is communicated with the second communication port; a second sealing element is arranged between the third shell and the second shell; the coil loop is provided on the third housing.
As a further improvement of the technical scheme of the present invention, the bottom of the third casing is provided with a chute inlet for connecting the chute with the outside, and a block for sealing the chute inlet is further arranged in the chute; and a third sealing element is arranged between the blocking block and the groove wall of the sliding groove.
As a further improvement of the technical scheme of the utility model, a positioning groove is arranged on one surface of the first shell close to the second shell; and one surface of the second shell, which is close to the first shell, is provided with a positioning lug which is matched and positioned with the positioning groove.
As the utility model discloses technical scheme's further improvement, still be equipped with the mount pad on the valve body, be equipped with the mounting hole on the mount pad.
Compared with the prior art, the beneficial effects of the utility model are that:
the axes of the liquid inlet, the first outlet and the second outlet are arranged on the same plane, the structure is simple, the size is small, and the application range is wide; the opening and closing of the first discharge port and the second discharge port can be controlled through the action of the coil on the magnetic valve core, so that the reversing is realized; in addition, the check piece is inserted on the first discharge port and/or the second discharge port, so that the backflow phenomenon of the first discharge port and/or the second discharge port can be prevented.
Drawings
The technology of the present invention will be further described in detail with reference to the accompanying drawings and detailed description:
fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a schematic structural view of the back stop of the present invention.
Reference numerals:
1-a valve body; 11-a liquid inlet; 12-a first discharge opening; 13-a second discharge port; 14-a liquid inlet cavity; 141-a first communication port; 142-a second communication port; 15-a through hole; 101-a first housing; 1011-positioning groove; 102-a second housing; 1021-positioning bumps; 103-a third housing; 1031-chute; 104-a first seal; 105-a second seal; 106-a third seal; 107-blocking block; 108-a mount; 109-mounting holes;
2-a magnetic valve core; 21-a plug body;
3-a coil;
4-a backstop; 41-a blocking part; 411-spherical convex surface; 42-a stem portion; 421-anti-drop bulge;
5-elastic member.
Detailed Description
The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.
Referring to fig. 1 to 3, a reversing valve with a check function includes: valve body 1, magnetic valve core 2, coil 3 and backstop 4.
As shown in fig. 1 to 3, wherein the valve body 1 is provided with a liquid inlet 11, a first outlet 12 and a second outlet 13; the axes of the liquid inlet 11, the first outlet 12 and the second outlet 13 are parallel to each other, and the axes of the liquid inlet, the first outlet and the second outlet are located on the same plane.
A liquid inlet cavity 14 is arranged on the inner side of the liquid inlet 11; the liquid inlet cavity 14 is provided with a first communication port 141 and a second communication port 142 which are respectively communicated with the first discharge port 12 and the second discharge port 13; the first communication port 141 and the second communication port 142 are provided to face each other.
As shown in fig. 2, the magnetic valve core 2 is slidably disposed on the valve body 1, the magnetic valve core 2, the first communication port 141 and the second communication port 142 are disposed on the same straight line, one end of the magnetic valve core 2 is provided with a plug body 21, and the plug body 21 is located in the liquid inlet chamber 14; when the magnetic valve element 2 slides to the end of one end, the stopper body 21 closes one of the first communication port 141 and the second communication port 142. Because the first communicating opening 141 and the second communicating opening 142 are oppositely arranged, and the magnetic valve core 2, the first communicating opening 141 and the second communicating opening 142 are positioned on the same straight line, when the magnetic valve core 2 slides back and forth, the plug body 21 can seal the first communicating opening 141 or the second communicating opening 142, so that the communication between the first liquid inlet 11 or the second liquid inlet 11 and the liquid inlet 11 is realized, and the liquid reversing control is realized.
As shown in fig. 2, the coil 3 is fixed on the valve body 1 and annularly arranged outside the magnetic valve core 2, and is used for driving the magnetic valve core 2 to slide after being electrified; when the magnetic valve core 2 slides to the tail end, the liquid can be controlled in a reversing way.
As shown in fig. 2 and 3, the check member 4 is inserted into the first discharge port 12 and/or the second discharge port 13 to prevent backflow. Specifically, the check member 4 includes a blocking portion 41 and a rod portion 42, one end of the rod portion 42 is fixedly connected to the blocking portion 41, and an anti-falling protrusion 421 is disposed at one end of the rod portion 42 close to the blocking portion 41. The first discharge port 12 and/or the second discharge port 13 are/is provided with a through hole 15 into which the rod portion 42 is inserted, the anti-falling projection 421 is located at the inner end of the through hole 15, and the blocking portion 41 is located at the outer end of the through hole 15.
The blocking portion 41 blocks the first discharge port 12 and/or the second discharge port 13 when contacting the first discharge port 12 and/or the second discharge port 13.
Based on the above structure, the anti-slip protrusion 421 plays a role of preventing the anti-slip member 4 from slipping out of the through hole 15, when the liquid is discharged, the blocking portion 41 moves in a direction away from the through hole 15 under the action of the hydraulic pressure, and thus the discharge port is not blocked, and after the liquid is discharged, the discharge port is not discharged, and then the blocking portion 41 moves in a direction close to the through hole 15 under the action of the external hydraulic pressure, so that the blocking portion 41 contacts with the discharge port, and the discharge port is closed, thereby preventing the backflow phenomenon.
More specifically, as shown in fig. 3, the inner end surface of the blocking portion 41 is a spherical convex surface 411, and the spherical convex surface 411 and the discharge port can perfectly fit to achieve sealing.
As shown in fig. 2, an elastic member 5 is disposed behind one end of the magnetic valve element 2 away from the plug body 21, and the elastic member 5 abuts the plug body 21 of the magnetic valve element 2 against the first communication port 141 and seals the first communication port; when the coil 3 is energized, the acting force generated on the magnetic valve core 2 is greater than the elastic force of the elastic member 5 and opposite to the elastic force direction of the elastic member 5, so that the magnetic valve core 2 moves downwards to compress the elastic member 5, and finally the plug body 21 leaves the first communication port 141 and closes the second communication port 142, thereby realizing the reversing of liquid discharge. The elastic member 5 may be a compression spring.
As shown in fig. 2, the valve body 1 includes a first housing 101, a second housing 102, and a third housing 103; the first outlet 12, the liquid inlet 11 and the liquid inlet cavity 14 are all arranged on the first shell 101; the second discharge port 13 is arranged on the second housing 102, the second housing 102 is fixedly connected with the first housing 101, and a first sealing member 104 is arranged between the second housing 102 and the first housing 101; the third housing 103 is fixedly connected with the second housing 102, the third housing 103 is provided with a sliding groove 1031 for the magnetic valve core 2 to slide, and the upper end of the sliding groove 1031 is communicated with the second communication port 142; a second sealing member 105 is arranged between the third shell 103 and the second shell 102; the coil 3 is annularly arranged on the third housing 103. The valve body 1 is provided with three parts, namely a first shell 101, a second shell 102 and a third shell 103, so that the plug body 21 and the magnetic valve core 2 are convenient to mount.
Specifically, as shown in fig. 2, a sliding slot 1031 inlet for connecting the sliding slot 1031 with the outside is formed in the bottom of the third housing 103, and a blocking block 107 for closing the sliding slot 1031 inlet is further formed in the sliding slot 1031; a third sealing element 106 is arranged between the blocking piece 107 and the wall of the sliding groove 1031.
The first seal 104, the second seal 105 and the third seal 106 may be implemented by conventional seal rings.
A positioning groove 1011 is formed in one surface of the first shell 101, which is close to the second shell 102; one surface of the second shell 102, which is close to the first shell 101, is provided with a positioning bump 1021 which is matched with the positioning groove 1011 for positioning, and the first shell 101 and the second shell 102 are conveniently assembled and positioned through the positioning groove 1011 and the positioning bump 1021.
In addition, the valve body 1 is further provided with an installation seat 108, the installation seat 108 is provided with an installation hole 109, and the reversing valve with the non-return function can be installed at a place needing to be installed through the installation hole 109 and is used for being fixed with other base bodies.
Other contents of the reversing valve with the non-return function of the present invention are referred to in the prior art and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a take switching-over valve of contrary function which characterized in that includes: the valve comprises a valve body, a magnetic valve core, a coil and a check piece;
the valve body is provided with a liquid inlet, a first outlet and a second outlet; the axes of the liquid inlet, the first outlet and the second outlet are parallel to each other, and the axes of the liquid inlet, the first outlet and the second outlet are positioned on the same plane;
a liquid inlet cavity is arranged on the inner side of the liquid inlet; the liquid inlet cavity is provided with a first communicating port and a second communicating port which are respectively communicated with the first discharge port and the second discharge port; the first communication port and the second communication port are arranged oppositely;
the magnetic valve core is slidably arranged on the valve body, the magnetic valve core, the first communicating port and the second communicating port are arranged on the same straight line, and a plug body is arranged at one end of the magnetic valve core and is positioned in the liquid inlet cavity; when the magnetic valve core slides to the end of one end, the plug body seals one of the first communication port and the second communication port;
the coil is fixed on the valve body, is arranged outside the magnetic valve core in a surrounding manner and is used for driving the magnetic valve core to slide after being electrified;
the check member is inserted on the first discharge port and/or the second discharge port.
2. The reversing valve with a check function according to claim 1, characterized in that: the non-return piece comprises a plugging part and a rod part, one end of the rod part is fixedly connected with the plugging part, and one end of the rod part close to the plugging part is provided with an anti-falling bulge;
the first discharge port and/or the second discharge port are/is provided with a through hole into which the rod part is inserted, the anti-falling bulge is positioned at the inner end of the through hole, and the blocking part is positioned at the outer end of the through hole;
the blocking portion blocks the first discharge port and/or the second discharge port when contacting the first discharge port and/or the second discharge port.
3. The reversing valve with a check function according to claim 2, characterized in that: the inner end surface of the plugging part is a spherical convex surface.
4. The reversing valve with a check function according to claim 1, characterized in that: an elastic piece is arranged behind one end, far away from the plug body, of the magnetic valve core, and the plug body of the magnetic valve core is abutted against the first communication port and is sealed by the elastic piece; the acting force generated by the coil after being electrified on the magnetic valve core is larger than the elastic force of the elastic piece and is opposite to the elastic force direction of the elastic piece.
5. The reversing valve with check function according to any one of claims 1 to 4, characterized in that: the valve body comprises a first shell, a second shell and a third shell;
the first exhaust port, the liquid inlet and the liquid inlet cavity are all arranged on the first shell;
the second discharge port is arranged on the second shell, the second shell is fixedly connected with the first shell, and a first sealing element is arranged between the second shell and the first shell;
the third shell is fixedly connected with the second shell, a sliding groove for the sliding of the magnetic valve core is formed in the third shell, and the upper end of the sliding groove is communicated with the second communication port; a second sealing element is arranged between the third shell and the second shell; the coil loop is provided on the third housing.
6. The reversing valve with a check function according to claim 5, characterized in that: the bottom of the third shell is provided with a chute inlet which connects the chute with the outside, and a block which closes the chute inlet is also arranged in the chute; and a third sealing element is arranged between the blocking block and the groove wall of the sliding groove.
7. The reversing valve with a check function according to claim 5, characterized in that: a positioning groove is formed in one surface, close to the second shell, of the first shell; and one surface of the second shell, which is close to the first shell, is provided with a positioning lug which is matched and positioned with the positioning groove.
8. The reversing valve with a check function according to claim 1, characterized in that: the valve body is further provided with a mounting seat, and the mounting seat is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123010.5U CN211738115U (en) | 2020-01-17 | 2020-01-17 | Reversing valve with non-return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123010.5U CN211738115U (en) | 2020-01-17 | 2020-01-17 | Reversing valve with non-return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738115U true CN211738115U (en) | 2020-10-23 |
Family
ID=72880009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123010.5U Active CN211738115U (en) | 2020-01-17 | 2020-01-17 | Reversing valve with non-return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211738115U (en) |
-
2020
- 2020-01-17 CN CN202020123010.5U patent/CN211738115U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211021 Address after: 528000 No.2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Chestnut Technology Co.,Ltd. Address before: 528300 Nepheline Village Committee, Lunjiao Sub-district Office, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN VIOMI ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: Chen Xiaoping |
|
| TR01 | Transfer of patent right |