CN202101479U - Pore plate throttling device - Google Patents
Pore plate throttling device Download PDFInfo
- Publication number
- CN202101479U CN202101479U CN2011202104685U CN201120210468U CN202101479U CN 202101479 U CN202101479 U CN 202101479U CN 2011202104685 U CN2011202104685 U CN 2011202104685U CN 201120210468 U CN201120210468 U CN 201120210468U CN 202101479 U CN202101479 U CN 202101479U
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- Prior art keywords
- orifice plate
- shell
- hole
- spool
- valve core
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Abstract
The utility model discloses a pore plate throttling device which comprises a shell and a pore plate arranged in the shell and provided with a through hole, wherein the pore plate can slide relative to the shell in the axial direction, an elastic component and a valve core are respectively arranged in the shell at two sides of the pore plate, one end of the elastic component is connected with the pore plate, and the other end of the elastic component is fixedly connected with the shell; and the valve core is fixedly connected with the shell and used for adjusting the flow rate of fluid flowing through the through hole when the pore plate slides relative to the shell. The pore plate throttling device can automatically adjust the flow rate according to change of front system pressure and rear system pressure of the pore plate, ensure the liquid supply quantity and evaporation load of an evaporator to be matched under different working conditions and different loads, thus improving the property and adjustment capacity of the unit.
Description
Technical field
The utility model relates to a kind of throttling arrangement of air-conditioner, especially a kind of throttle orifice plate apparatus.
Background technology
At present, the throttling arrangement of air-conditioner mainly contains three kinds of ball-cock assembly, electric expansion valve and throttle orifice plate apparatus, compares with electric expansion valve with ball-cock assembly; The structure of throttle orifice plate apparatus is very simple; Need not external signal regulate, Flow-rate adjustment is stable, and low price.Existing throttle orifice plate apparatus mainly is made up of shell and two orifice plates being located in the shell, though this throttle orifice plate apparatus can be regulated within the specific limits automatically, its Flow Adjusting Performance is poor, deals with the ability of variable working condition, varying duty.
Summary of the invention
For solving the problem of the Flow Adjusting Performance difference that has the throttle orifice plate apparatus existence now; The purpose of the utility model be to provide a kind of can be according to the variation of system pressure and regulate the throttle orifice plate apparatus of flow automatically; Guaranteeing that liquid supply rate and the evaporation load to evaporimeter is complementary under different operating modes, the different load, thereby guarantee the performance and the regulating power of unit.
A kind of throttle orifice plate apparatus that the utility model provides; It comprises shell and the orifice plate of being located in the shell with through hole; Said orifice plate can endwisely slip with respect to said shell; In the shell of these orifice plate both sides, be respectively equipped with elastic telescopic parts and spool, said elastic telescopic parts one end is connected with orifice plate, and the other end is fixedly connected with shell; Said spool is fixedly connected with said shell, is used for when said orifice plate slides with respect to said shell, regulating the flow that fluid flows through said through hole.
Preferred as technique scheme, said spool comprise with the coaxial spool body of said through hole be located at the valve core head of this spool body near said orifice plate one end, this valve core head can insert in the said through hole.
Preferred as technique scheme, the side of said valve core head is the conical surface, the conical surface that the part or all of internal face of said through hole is complementary for the side with said valve core head.
Preferred as technique scheme, diameter was little in the middle of the two ends diameter of said through hole was big.
Preferred as technique scheme, said spool also comprises is located at the base of said spool body away from said orifice plate one end, and said spool is fixedly connected with said shell through this base, on this base, is provided with the fluid passage.
Preferred as technique scheme, said spool comprises the spool body and is located at the valve core head of this spool body near orifice plate one end that the area of this valve core head end face is greater than the cross-sectional area of said through hole.
Preferred as technique scheme also comprises block, and this block is fixed in said orifice plate in the said shell of a side of said elastic telescopic parts.
Preferred as technique scheme, said elastic telescopic parts are spring.
Preferred as technique scheme also comprises annular base plate, and said elastic telescopic parts are fixedly connected with said shell through said annular base plate away from an end of orifice plate.
The throttle orifice plate apparatus that the air-conditioning unit adopts the utility model to provide when its standard condition oepration at full load, because of there is pressure reduction in the orifice plate both sides, is controlled the initial opening of orifice plate through hole by the decrement of elastic telescopic parts, can guarantee specified throttling demand.Under variable working condition, variable load operation, when load reduced, condensing pressure reduced or evaporating pressure raises, and the pressure reduction of orifice plate both sides reduces, and orifice plate is toward spool one side shifting, and orifice size reduces, and flow reduces, thereby satisfies the requirement of little load.When load rose, condensing pressure reduced or evaporating pressure raises, and the pressure reduction of orifice plate both sides raises; Orifice plate is toward elastic telescopic parts one side shifting, and orifice size increases, and flow increases; Satisfy the requirement of big load, this shows, the throttle orifice plate apparatus that the utility model provides can be regulated flow automatically according to the variation of system pressure; Realized under different operating modes, different load, guaranteeing to be complementary, thereby guaranteed the performance and the regulating power of unit to the liquid supply rate and the evaporation load of evaporimeter.
Compared with prior art; The utility model has the advantages that: the throttle orifice plate apparatus that the utility model provides; Can regulate flow automatically according to the variation of system pressure before and after the orifice plate; Make under different operating modes, different load, to guarantee to be complementary, improved the performance and the regulating power of unit to the liquid supply rate and the evaporation load of evaporimeter.
Description of drawings
Fig. 1 is the structural representation of the throttle orifice plate apparatus of the utility model embodiment 1;
Fig. 2 is the structural representation of the throttle orifice plate apparatus of the utility model embodiment 2.
Description of reference numerals: 1-fluid passage, 2-spool, 2a-spool body, 2b-valve core head, 2c-base, 3-block, 4-orifice plate, 4a-through hole, 5-spring, 6-base plate, 7-shell.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing:
As shown in Figure 1, throttle orifice plate apparatus mainly is made up of shell 7, orifice plate 4, spool 2 and spring 5, and wherein, shell 7 is cylindric, and orifice plate 4 is located in the shell 7, and with shell 7 matched in clearance, so orifice plate 4 can endwisely slip with respect to shell 7.Be provided with the through hole 4a that supplies fluid to pass through at the middle part of orifice plate 4, the internal face of this through hole 4a is the conical surface.Preferably, the big middle diameter of the two ends diameter of through hole 4a is little.
Spool 2 is arranged in the side (be the left side of Fig. 1) of orifice plate 4 back to spring 5; It comprises tubular spool body 2a, be located at spool body 2a near the valve core head 2b of orifice plate 4 one ends and be located at the base 2c of spool body 2a away from orifice plate 4 one ends; The conical surface that the side of this valve core head 2b is complementary for the internal face with through hole 4a; The diameter of base 2c is greater than the diameter of spool body 2a, and this base 2c is fixedly connected with shell 7, and on this base 2c, is provided with the fluid passage 1 that supplies fluid to pass through.
In the shell 7 of a side of spring 5, be provided with block 3 at orifice plate 4.When block 3 contacts with orifice plate 4, there is the gap between valve core head 2b and the through hole 4a, guarantee that through block 3 start process aperture plate 4 has certain initial opening.
The operation principle of the foregoing description is: the air-conditioning unit is when the standard condition oepration at full load, and there is pressure reduction in orifice plate 4 both sides, controls the initial opening of orifice plate 4 through hole 4a by the decrement of spring 5, can guarantee specified throttling demand.Under variable working condition, variable load operation, when load reduced, condensing pressure reduced or evaporating pressure raises, and the pressure reduction of orifice plate 4 both sides reduces, orifice plate 4 side shifting of turning left, and orifice size reduces, and flow reduces, and satisfies the requirement of little load.When load rose, condensing pressure reduced or evaporating pressure raises, the rising of orifice plate 4 both sides, and orifice plate 4 is turned right mobile, and orifice size increases, and flow increases, and satisfies the requirement of big load.This shows; The throttle orifice plate apparatus of present embodiment can be according to the variation of system pressure and is regulated flow automatically; Realized under different operating modes, different load, guaranteeing to be complementary, thereby guaranteed the performance and the regulating power of unit to the liquid supply rate and the evaporation load of evaporimeter.
Embodiment 2
As shown in Figure 2; Different with embodiment 1 is; The area of the valve core head 2b end face of present embodiment is greater than the cross-sectional area of through hole 4a, like this, and when orifice plate 4 endwisely slips with respect to valve core head 2b along with the variation of system pressure; Also can regulate fluid flow size, thereby reach the purpose of automatic adjusting flow through through hole 4a.
In sum, the core of the throttle orifice plate apparatus of the utility model is: orifice plate 4 slides with respect to valve core head 2b along with the variation of system pressure, and then regulates fluid through valve core head 2b and flow through the flow of through hole 4a, thereby reaches the purpose of automatic adjusting flow.Therefore, valve core head 2b and through hole 4a can also be other structures except the described structure of the foregoing description, and this will become apparent to those skilled in the art that once more and repeats no more.
More than be merely the specific embodiment of the utility model, do not limit the protection domain of the utility model with this; Do not violate any replacement and the improvement of being done on the basis of the utility model design, all belonging to the protection domain of the utility model.
Claims (9)
1. throttle orifice plate apparatus; It comprises shell and the orifice plate of being located in the shell with through hole; It is characterized in that: said orifice plate can endwisely slip with respect to said shell; In the shell of these orifice plate both sides, be respectively equipped with elastic telescopic parts and spool, said elastic telescopic parts one end is connected with orifice plate, and the other end is fixedly connected with shell; Said spool is fixedly connected with said shell, is used for when said orifice plate slides with respect to said shell, regulating the flow that fluid flows through said through hole.
2. throttle orifice plate apparatus according to claim 1 is characterized in that: said spool comprise with the coaxial spool body of said through hole be located at the valve core head of this spool body near said orifice plate one end, this valve core head can insert in the said through hole.
3. throttle orifice plate apparatus according to claim 2 is characterized in that: the side of said valve core head is the conical surface, the conical surface that the part or all of internal face of said through hole is complementary for the side with said valve core head.
4. throttle orifice plate apparatus according to claim 3 is characterized in that: diameter was little in the middle of the two ends diameter of said through hole was big.
5. throttle orifice plate apparatus according to claim 2; It is characterized in that: said spool also comprises is located at the base of said spool body away from said orifice plate one end; Said spool is fixedly connected with said shell through this base, on this base, is provided with the fluid passage.
6. throttle orifice plate apparatus according to claim 1 is characterized in that: said spool comprises the spool body and is located at the valve core head of this spool body near orifice plate one end that the area of this valve core head end face is greater than the cross-sectional area of said through hole.
7. according to each described throttle orifice plate apparatus of claim 1 to 6, it is characterized in that: also comprise block, this block is fixed in said orifice plate in the said shell of a side of said elastic telescopic parts.
8. according to each described throttle orifice plate apparatus of claim 1 to 6, it is characterized in that: said elastic telescopic parts are spring.
9. throttle orifice plate apparatus according to claim 8 is characterized in that: also comprise annular base plate, said elastic telescopic parts are fixedly connected with said shell through said annular base plate away from an end of orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202104685U CN202101479U (en) | 2011-06-21 | 2011-06-21 | Pore plate throttling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202104685U CN202101479U (en) | 2011-06-21 | 2011-06-21 | Pore plate throttling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202101479U true CN202101479U (en) | 2012-01-04 |
Family
ID=45387487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202104685U Expired - Lifetime CN202101479U (en) | 2011-06-21 | 2011-06-21 | Pore plate throttling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202101479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384610A (en) * | 2011-06-21 | 2012-03-21 | 珠海格力电器股份有限公司 | Pore plate throttling device |
-
2011
- 2011-06-21 CN CN2011202104685U patent/CN202101479U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384610A (en) * | 2011-06-21 | 2012-03-21 | 珠海格力电器股份有限公司 | Pore plate throttling device |
| CN102384610B (en) * | 2011-06-21 | 2013-08-28 | 珠海格力电器股份有限公司 | Pore plate throttling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120104 Effective date of abandoning: 20130828 |
|
| RGAV | Abandon patent right to avoid regrant |