CN210107823U - Bidirectional throttling filter and air conditioner - Google Patents
Bidirectional throttling filter and air conditioner Download PDFInfo
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- CN210107823U CN210107823U CN201920784557.7U CN201920784557U CN210107823U CN 210107823 U CN210107823 U CN 210107823U CN 201920784557 U CN201920784557 U CN 201920784557U CN 210107823 U CN210107823 U CN 210107823U
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Abstract
The utility model provides a filter of two-way throttle, include: the filter body is of a hollow structure, two ends of the filter body are provided with openings, and a filtering part is arranged in the filter body; the outer valve core is of a hollow structure and is arranged in the filtering main body; the inner valve core is of a hollow structure, is arranged inside the outer valve core and can move inside the outer valve core; and a throttling channel can be formed at one side where fluid flows out by moving the inner valve core in the outer valve core, and the inner diameter of the throttling channel is smaller than that of the inner valve core. Thus, by moving the inner core inside the outer core, a throttling channel can be formed that connects the inner space of the inner core with the outlet of the filter body, which throttling channel achieves the throttling effect of the capillary tube, and by incorporating the throttling function into the filter, the installation space is saved. The utility model also discloses an air conditioner that contains the filter of above-mentioned two-way throttle.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to a filter and air conditioner of two-way throttle.
Background
Filters are usually installed on two sides of an electronic expansion valve of an air conditioner, so that impurities in the system are prevented from blocking the electronic expansion valve, and system faults are avoided. In addition, a section of capillary tube is connected behind the filter and used as a throttling device, so that the differential pressure of the electronic expansion valve after throttling is reduced, and the noise is reduced. Because the space of the outdoor unit of the air conditioner is limited, the filter and the capillary tube are arranged on two sides of the electronic expansion valve, which brings great inconvenience to the space layout design of the outdoor unit and is difficult to adapt to the development trend of miniaturization of the outdoor unit.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a filter with two-way throttle function to can replace the throttle function of the capillary that electronic expansion valve both sides filter equipment connected.
According to an aspect of the utility model, a filter of two-way throttle is provided, include:
the filter body is of a hollow structure, two ends of the filter body are provided with openings, and a filtering part is arranged in the filter body;
the outer valve core is of a hollow structure and is arranged in the filtering main body;
the inner valve core is of a hollow structure, is arranged inside the outer valve core and can move inside the outer valve core;
and a throttling channel can be formed at one side where fluid flows out by moving the inner valve core in the outer valve core, and the inner diameter of the throttling channel is smaller than that of the inner valve core. Thus, by moving the inner core inside the outer core, a throttling channel can be formed that connects the inner space of the inner core with the outlet of the filter body, which throttling channel achieves the throttling effect of the capillary tube, and by incorporating the throttling function into the filter, the installation space is saved.
Further, the outer diameter of the inner valve core is the same as the inner diameter of the outer valve core, and when the inner valve core moves to a preset position of the outer valve core, a throttling channel for communicating the inner space of the inner valve core and the outlet of the filter main body is formed at the fluid outflow side of the filter. Since the outer diameter of the inner spool is the same as the inner diameter of the outer spool, a single outlet for fluid can be formed on the inner spool and the outer spool body by moving the inner spool to a predetermined position.
Furthermore, a first outer throttling channel and a second outer throttling channel are arranged on the outer valve core and are used for communicating openings at two ends of the filter main body with an inner space of the outer valve core;
the inner valve core is provided with a first inner throttling channel and a second inner throttling channel which are used for communicating the inner space of the inner valve core with the inner space of the outer valve core.
Further, when the inner valve core moves to a side stroke end point, the first outer throttling channel on the outer valve core is communicated with the first inner throttling channel on the inner valve core, or the second outer throttling channel on the outer valve core is communicated with the second inner throttling channel on the inner valve core. Therefore, through the movement of the inner valve core, the outer throttling channel on the outer valve core can be aligned with the inner throttling channel on the inner valve core, the communication between the outer throttling channel and the inner throttling channel is realized, and the throttling channel is formed.
Further, the inner diameters of the first outer throttle channel and the first inner throttle channel are the same; the inner diameters of the second outer throttling channel and the second inner throttling channel are the same.
Further, the inner diameters of the first outer throttle channel and the first inner throttle channel are a; the inner diameters of the second outer throttling channel and the second inner throttling channel are b, wherein a is not equal to b. Different inner diameters are set through the throttling channels on the two sides, so that different throttling effects on the two sides can be realized.
Further, the filter further comprises: and the check valve plates are arranged at two ends of the hollow structure of the inner valve core, so that fluid can only flow into the hollow structure from the outside of the inner valve core.
The check valve plate comprises a shaft penetrating through the middle of the check valve plate and at least one valve plate, and the valve plate can only rotate around the axial direction inside the inner valve core. Therefore, the valve sheet plate rotates around the shaft in the middle to realize the opening and closing of the check valve sheet, when fluid flows from the outside to the inner valve core, the semicircular valve sheet is pushed to rotate inwards around the shaft, and at the moment, the check valve sheet is in an open state; when fluid flows outwards from the inner valve core, the semicircular valve plate is abutted against the edge bulge of the inner valve core, so that the semicircular valve plate cannot rotate outwards around the shaft, and the one-way valve plate is in a closed state.
Further, the filter further comprises: and the limiting tables are arranged at openings at two ends of the outer valve core and used for limiting the movement of the inner valve core. Therefore, the end point of the travel of the inner valve core can be limited through the limit table.
Further, spacing platform includes:
the fixing parts are arranged at openings at two ends of the outer valve core, and the diameter of the fixing parts is the same as that of the openings at two ends of the outer valve core;
the connecting part is arranged on the fixing part and protrudes towards the direction of the inner valve core in the outer valve core;
the diameter of the limiting part is larger than the inner diameter of the inner valve core;
and the through hole is arranged on the fixing part and is communicated with the inner space of the outer valve core and the opening of the filter main body.
Further, when the inner valve core moves to be in contact with the limit table, a throttling channel is formed on one side close to the limit table. Because the two sides of the inner valve core are provided with the one-way valve plates, the fluid can push the inner valve core to move to be in contact with the limiting table in the outlet direction, and at the moment, a throttling channel is formed on one side of the outlet.
Furthermore, the filtering device is a filter screen and is arranged inside the filter main body and on two sides of the outer valve element.
Further, a first cylindrical part is arranged in the middle of the filter main body, second cylindrical parts are arranged at two ends of the filter main body and serve as an inlet and an outlet, a connecting part of the first cylindrical part and the second cylindrical part is a conical part, the diameter of the first cylindrical part is larger than that of the second cylindrical part, and the conical part or the first cylindrical part is arranged on the filter screen, so that the area of the filter screen is large enough, and the filter screen can effectively filter.
According to another aspect of the present invention, there is provided an air conditioner including the filter as described above.
Drawings
Fig. 1 is a schematic structural diagram of a bidirectional throttling filter according to an embodiment of the present invention;
FIG. 2a is a schematic front view of a check valve plate according to an embodiment of the present invention;
FIG. 2b is a schematic side view of the check valve plate according to the embodiment of the present invention;
fig. 3a is a schematic side view of a position-limiting table according to an embodiment of the present invention;
fig. 3b is a schematic front structural view of a position-limiting table according to an embodiment of the present invention;
fig. 4a is a schematic front structural view of a filter screen according to an embodiment of the present invention;
fig. 4b is a schematic side view of the filter screen according to the embodiment of the present invention.
Description of reference numerals:
1-filter body, 2-outer valve core, 3-inner valve core, 4-one-way valve plate, 5-limiting table, 6-filter screen, 101-first cylindrical part, 102-second cylindrical part, 103-conical part, 401-first one-way valve plate, 402-second one-way valve plate, 410-shaft, 420-valve plate, 421-first valve plate, 422-first valve plate, 501-first limiting table, 502-second limiting table, 5001-fixing part, 5002-connecting part, 5003-limiting part, 5004-through hole, 601-first filter plate and 602-second filter plate.
Detailed Description
Filters are usually installed on two sides of an electronic expansion valve of an existing air conditioner, a section of capillary tube is connected behind the filters and serves as a throttling device, so that the pressure difference after the electronic expansion valve is throttled is reduced, noise is reduced, however, due to the fact that the capillary tube needs to be connected, the installation space needed by the structure is large, inconvenience in space layout design of an external unit is caused, and if the throttling function of the capillary tube can be achieved directly through the filters, the installation space can be effectively saved.
The utility model provides a filter of two-way throttle mainly includes filter main part, inner valve core and outer valve core, check valve piece and spacing platform. The filter body is of a hollow structure, two ends of the filter body are provided with openings, and a filtering part is arranged in the filter body; the outer valve core is of a hollow structure and is arranged in the filtering main body; the inner valve core is arranged inside the outer valve core and can move inside the outer valve core; the check valve plates are arranged at two ends of the hollow structure of the inner valve core, so that fluid can only flow into the hollow structure from the outside of the inner valve core; the limiting tables are arranged at openings at two ends of the outer valve core and used for limiting the movement of the inner valve core.
After fluid enters from the opening of the filter, the fluid can push the inner valve core to move to contact with the limiting table in the outlet direction under the action of the one-way valve plates arranged on the two sides of the inner valve core, the stroke of the inner valve core reaches the end point, and at the moment, a throttling channel is formed on one side of the outlet. The inner diameter of the throttling channel is smaller than that of the inner valve core, so that the throttling effect of the capillary tube is realized.
Specifically, the throttling channel consists of two parts, a first outer throttling channel and a second outer throttling channel are arranged on the outer valve core, and a first inner throttling channel and a second inner throttling channel are arranged on the inner valve core. When the inner valve core moves to the end of one-side stroke, the first outer throttling channel on the outer valve core is communicated with the first inner throttling channel on the inner valve core, and vice versa. The outer throttling channel on the outer valve core is aligned with the inner throttling channel on the inner valve core through the movement of the inner valve core, so that the outer throttling channel and the inner throttling channel are communicated, and the throttling channel is formed. By incorporating the throttling function of the capillary tube into the filter, installation space is saved.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In a first exemplary embodiment of the present invention, a bi-directional throttling filter is provided. Fig. 1 is a schematic structural diagram of a bidirectional throttling filter according to an embodiment of the present invention. As shown in figure 1, the utility model discloses have filter main part 1, outer valve core 2, inner valve core 3, check valve piece 4, spacing platform 5, filter screen 6, and the outer throttle passage 9 of first outer throttle passage 7 and second on the outer valve core, throttle passage 10 in first inner throttle passage 8 and the second on the inner valve core.
The filter body 1 is hollow and cylindrical, the two ends of the filter body 1 are respectively an inlet and an outlet, and the diameters of the two ends are smaller than that of the middle part. Specifically, the filter body 1 has a bilaterally symmetrical structure, a first cylindrical portion 101 is provided in the middle, second cylindrical portions 102 are provided at both ends as inlets and outlets, and a tapered portion 103 is provided at a connection portion between the first cylindrical portion and the second cylindrical portion. The first cylindrical portion 101 and the second cylindrical portion 102 are hollow cylindrical portions having different diameters, and the tapered portion 103 is a hollow tapered portion, thereby connecting the first cylindrical portion 101 and the second cylindrical portion 102 having different diameters to each other.
The outer valve element 2 and the inner valve element 3 which are arranged inside the filter main body 1 are both cylindrical, wherein the outer valve element 2 is sleeved and fixed inside the first cylindrical part 101 of the filter main body 1, and the inner valve element 3 is sleeved inside the outer valve element 2 and can move inside the outer valve element 2.
The check valve plate 4 comprises a first check valve plate 401 and a second check valve plate 402 which are respectively fixed at openings at two ends of the hollow inner valve core 3 and can be opened in a single direction; as shown in fig. 1, the first check valve plate 401 is disposed at the right opening of the inner valve core 3, and only allows fluid to flow from right to left; the second check valve plate 402 is disposed at the left opening of the inner valve core 3, and only allows fluid to flow from left to right.
FIG. 2a is a schematic front view of a check valve plate according to an embodiment of the present invention; fig. 2b is the side structure diagram of the check valve plate of the embodiment of the present invention. As shown in fig. 2a-2b, the check valve plate 4 includes a shaft 410 penetrating through a middle portion thereof and two semicircular valve plate plates 420, the semicircular valve plate plates 420 include a first valve plate 421 and a second valve plate 422, and the first valve plate 421 and the second valve plate 422 are matched in shape to form a complete circle, which can close the opening of the inner valve core 3. The first valve plate 421 and the second valve plate 422 can rotate around the shaft 410 in the middle to open and close the check valve plate 4. When fluid flows from the outside to the inner valve core 3, the semicircular valve plate 420 is pushed to rotate inwards around the shaft, and the one-way valve plate 4 is in an open state; when the fluid flows outwards from the inner valve core 3, the semicircular valve plate 420 is abutted against the edge bulge of the inner valve core 3, so that the semicircular valve plate cannot rotate outwards around the shaft, and the one-way valve plate is in a closed state.
The stopper 5 includes a first stopper 501 and a second stopper 502, and is disposed inside the hollow outer valve element 2. Fig. 3a is the utility model discloses side structure schematic diagram of spacing platform, as shown in fig. 3a, spacing platform 5 includes fixed part 5001, connecting portion 5002 and spacing portion 5003, and wherein, fixed part 5001 is the disc, sets up in outer case 2 both ends opening part, and its diameter is the same with outer case 2 both ends opening part. The fixing portion 5001 has a through hole 5004 for allowing fluid to pass through; fig. 3b is a schematic front structural view of the limiting table according to the embodiment of the present invention, as shown in fig. 3b, the limiting portion has 4 through holes 5004. The connecting portion 5002 is disposed on the fixing portion 5001 and protrudes toward the inner valve core 3 inside the outer valve core 2, the connecting portion 5002 is provided with a disc-shaped limiting portion 5003, and the diameter of the limiting portion 5003 is larger than the opening diameter of the inner valve core 3, so that when the inner valve core 3 moves inside the outer valve core 2 to contact with the limiting portion 5, the inner valve core 3 cannot move continuously, and the inner valve core 3 is limited.
The filter screen 6 includes a first filter screen 601 and a second filter screen 602, which are respectively disposed on both sides of the outer valve body, and the filter body 1 has both ends opening into the interior of the tapered portion 103 between the second cylindrical portion 102 and the middle first cylindrical portion 101. Fig. 4 is a schematic structural diagram of a filter screen according to an embodiment of the present invention, and as shown in fig. 4, the filter screen 6 has a mesh to allow fluid to pass through. In other embodiments, the filter screen may be disposed in the first cylindrical portion 101 and kept away from the outer valve core, so as to prevent the filter effect from being affected.
A first outer throttling channel 7 and a second outer throttling channel 9 are arranged on the main body of the outer valve core 2, and the first outer throttling channel 7 and the second outer throttling channel 9 are used for communicating the conical part and the interior of the outer valve core 2; the main body of the inner valve core 3 is provided with a first inner throttling channel 8 and a second inner throttling channel 10, and the first inner throttling channel 8 and the second inner throttling channel 10 are used for communicating the inside and the outside of the inner valve core 3.
The first outer throttle channel 7 and the first inner throttle channel 8 have the same inner diameter a, and the second outer throttle channel 9 and the second inner throttle channel 10 have the same inner diameter b. When the inner valve core 3 moves in the outer valve core 2 and contacts the second limiting table of the outer valve core, the position of the second inner throttling channel 10 just corresponds to the position of the second outer throttling channel 9, so that the inner part of the inner valve core 3 is communicated with the second conical part; when the valve core contacts the first limiting table of the outer valve core, the position of the first inner throttling channel 8 just corresponds to the position of the first outer throttling channel 7, so that the inner part of the inner valve core 3 is communicated with the first conical part.
The utility model discloses two-way throttle filter's theory of operation does:
when fluid enters the first conical part of the filter from the second cylindrical part on the right side, the fluid firstly passes through the first filter screen 6, then enters the inner part of the outer valve core 2 from the through hole on the first limit platform 5, and flows to the inner valve core through the first one-way valve plate 401 capable of being opened inwards, because the second one-way valve plate at the other end can not be opened outwards, the fluid pushes the inner valve core to move to the left side to be contacted with the second limit platform, meanwhile, the second inner throttling channel 10 on the left side is communicated with the second outer throttling channel 9, the fluid flows out to the left side through the second inner throttling channel 10 and the second outer throttling channel 9, and at the moment, the throttling effect of the second inner throttling channel 10 and the second outer throttling channel 9 is effective.
In the above case, when the fluid flow direction changes from the left second cylindrical portion to the second conical portion of the filter, the fluid first passes through the second filter screen 6 and then enters the interior of the outer valve element 2 from the through hole in the second stopper table 5. At this time, the inner valve core contacts with the second limit table, and fluid cannot enter the inner valve core and can only enter the inner valve core from the second outer throttling channel 9 through the second inner throttling channel 10. Due to the action of the first check valve plate on the right side, fluid cannot flow out rightwards, and therefore the inner valve core is pushed to move rightwards to be in contact with the first limiting table on the right side. After the inner valve core moves to the right side and contacts with the first limiting platform, the first inner throttling channel 8 is communicated with the first outer throttling channel 7, meanwhile, the second inner throttling channel 10 and the second outer throttling channel 9 are closed, fluid flows out from the right side through the first inner throttling channel 8 and the first outer throttling channel 7, and at the moment, the throttling effect of the first inner throttling channel 8 and the first outer throttling channel 7 is effective.
Preferably, by controlling the inner diameters a of the first inner throttle passage 8 and the first outer throttle passage 7 and the inner diameters b of the second inner throttle passage 10 and the second outer throttle passage 9, different throttling effects in the forward direction and the reverse direction can be realized.
The utility model combines the throttling function of the capillary tube into the filter, which can realize the functions of filtering and bidirectional throttling to meet the use requirement; meanwhile, the capillary tube connected behind the filter is saved, and the two ends of the electronic expansion valve are only provided with the two-way throttling filter, so that the size of the device is further reduced.
In a second exemplary embodiment of the present invention, an air conditioner is provided, comprising a bi-directional throttling filter as described in the first embodiment. By adopting the bidirectional throttling filter, the layout space of the outdoor unit connected with the capillary tube behind the filter is saved, and the volume of the outdoor unit is reduced.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (14)
1. A bi-directional flow throttling filter, comprising:
the filter comprises a filter main body (1), wherein the filter main body (1) is of a hollow structure, two ends of the filter main body are provided with openings, and a filtering component is arranged in the filter main body;
the outer valve core (2) is of a hollow structure and is arranged inside the filter main body (1);
the inner valve core (3) is of a hollow structure and is arranged inside the outer valve core (2);
the inner valve core (3) can move in the outer valve core (2), a throttling channel is formed on the side where the filter fluid flows out, and the inner diameter of the throttling channel is smaller than that of the inner valve core.
2. A filter according to claim 1, characterised in that the outer diameter of the inner spool (3) is the same as the inner diameter of the outer spool (2), and that the side from which the filter fluid flows out forms a throttling channel connecting the inner space of the inner spool (3) with the outlet of the filter body (1) when the inner spool (3) is moved to a predetermined position of the outer spool (2).
3. The filter of claim 2, wherein the throttling channel comprises:
a first outer throttling channel (7) and a second outer throttling channel (9) which are arranged on the outer valve core (2) are respectively communicated with openings at two ends of the filter main body (1) and the inner space of the outer valve core (2);
the first inner throttling channel (8) and the second inner throttling channel (10) are arranged on the inner valve core (3) and are respectively communicated with the inner space of the inner valve core (3) and the inner space of the outer valve core (2).
4. A filter according to claim 3, characterised in that when the inner spool (3) moves to the end of a side stroke, the first outer throttle channel (7) on the outer spool (2) communicates with the first inner throttle channel (8) on the inner spool (3), or the second outer throttle channel (9) on the outer spool (2) communicates with the second inner throttle channel (10) on the inner spool (3).
5. A filter according to claim 3, characterised in that the inner diameters of the first outer throttle channel (7) and the first inner throttle channel (8) are the same; the inner diameters of the second outer throttling channel (9) and the second inner throttling channel (10) are the same.
6. A filter according to claim 5, characterised in that the inner diameters of the first outer and inner throttle channels (7, 8) are a; the inner diameters of the second outer throttling channel (9) and the second inner throttling channel (10) are b, wherein a is not equal to b.
7. The filter of claim 2, further comprising:
and the check valve plates (4) are arranged at two ends of the hollow structure of the inner valve core (3), so that fluid can only flow into the hollow structure from the outside of the inner valve core (3).
8. A filter according to claim 7, characterised in that the one-way valve plate (4) comprises a shaft (410) running through its middle and at least one valve plate (420), the valve plate (420) being only rotatable about the shaft (410) towards the inside of the inner valve core (3).
9. The filter of claim 2, further comprising:
and the limiting table (5) is arranged at openings at two ends of the outer valve core (2) and used for limiting the movement of the inner valve core (3).
10. A filter according to claim 9, characterised in that the limit stop (5) comprises:
the fixing part (5001) is arranged at the opening of the outer valve core (2), and the diameter of the fixing part is the same as that of the openings at two ends of the outer valve core (2);
the connecting part (5002) is arranged on the fixing part (5001) and protrudes towards the inner valve core (3) in the outer valve core (2);
the diameter of the limiting part (5003) is larger than the inner diameter of the inner valve core (3);
and the through hole (5004) is arranged on the fixing part (5001) and is communicated with the inner space of the outer valve core (2) and the opening of the filter main body (1).
11. A filter according to claim 10, characterised in that a throttling channel is formed at the side near the limit stop (5) when the inner core (3) is moved into contact with the limit stop (5).
12. The filter of claim 1, wherein the filter element is:
and the filter screens (6) are arranged on two sides of the outer valve core (2).
13. A filter according to claim 12, wherein the filter body (1) has a first cylindrical portion (101) in the middle and a second cylindrical portion (102) as an inlet and outlet at both ends, and the connection portion between the first cylindrical portion (101) and the second cylindrical portion (102) is a tapered portion (103), wherein the first cylindrical portion (101) has a larger diameter than the second cylindrical portion (102), and the filter mesh (6) is provided with the tapered portion (103) or the first cylindrical portion (101).
14. An air conditioner characterized by comprising a filter according to any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784557.7U CN210107823U (en) | 2019-05-28 | 2019-05-28 | Bidirectional throttling filter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784557.7U CN210107823U (en) | 2019-05-28 | 2019-05-28 | Bidirectional throttling filter and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210107823U true CN210107823U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920784557.7U Active CN210107823U (en) | 2019-05-28 | 2019-05-28 | Bidirectional throttling filter and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145902A (en) * | 2019-05-28 | 2019-08-20 | 宁波奥克斯电气股份有限公司 | A kind of filter and air conditioner of bidirectional throttle |
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2019
- 2019-05-28 CN CN201920784557.7U patent/CN210107823U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145902A (en) * | 2019-05-28 | 2019-08-20 | 宁波奥克斯电气股份有限公司 | A kind of filter and air conditioner of bidirectional throttle |
| WO2020238507A1 (en) * | 2019-05-28 | 2020-12-03 | 宁波奥克斯电气股份有限公司 | Bidirectional throttling filter and air conditioner |
| CN110145902B (en) * | 2019-05-28 | 2024-06-04 | 宁波奥克斯电气股份有限公司 | Filter and air conditioner of two-way throttle |
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