CN202757359U - Throttling device and air conditioner - Google Patents
Throttling device and air conditioner Download PDFInfo
- Publication number
- CN202757359U CN202757359U CN201220273942.3U CN201220273942U CN202757359U CN 202757359 U CN202757359 U CN 202757359U CN 201220273942 U CN201220273942 U CN 201220273942U CN 202757359 U CN202757359 U CN 202757359U
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- China
- Prior art keywords
- throttling
- throttling element
- transfer tube
- throttle spare
- discharge orifice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 abstract description 20
- 238000003466 welding Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a throttling device and an air conditioner. The throttling device comprises an adapter pipe and a first throttling element, wherein the adapter pipe is communicated with the outside, and the first throttling element is mounted in the adapter pipe. A first throttling hole is arranged in the first throttling element, at least one first limit ring is arranged on the periphery of the first throttling element, and a second limit ring is arranged on the adapter pipe and is matched with the first limit ring to fix the first throttling element into the adapter pipe. Only two ends of the adapter pipe need to be welded at an outlet and a high-pressure valve of an outdoor heat exchanger respectively, the distance between welding points is increased, melting of the welding points of welded positions due to high temperature is avoided, namely, the accident of refrigerant leakage caused by notches of the adapter pipe due to melting of the welding points is avoided, the throttling device is protected in mounting and replacing process, the first throttling element is completely prevented from being blocked when fixed onto the adapter pipe, and the throttling device is more rapidly and conveniently mounted and replaced.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of throttling arrangement and air-conditioner.
Background technology
Along with the raising of people's living standard, air-conditioning has become the daily electrical home appliance of people's life, and air-conditioning miscellaneous appears in the daily life.
At present the throttling arrangement of air-conditioner adopts capillary to limit cold medium flux in the air-conditioning system mostly, when air-conditioner only need freeze, only a capillary need be set, this capillary is welded on the outdoor heat exchanger outlet is used for the restriction cold medium flux with the high pressure valve place, because the capillary mouth of pipe is very little, close together between the pad, the welding difficulty causes greatly and easily weldering stifled; The welding required time is long, and with naked light, easily causes the solder joint of welding position owing to high temperature melts, and then causes the jagged and leakage refrigerant wherein of capillary obstruction or capillary.
The utility model content
Main purpose of the present utility model provides a kind of convenient throttling arrangement of installing and changing and use safety.
The utility model embodiment provides a kind of throttling arrangement, comprise the transfer tube that is communicated with the outside and the first throttle spare that is installed in the described transfer tube, offer the first segment discharge orifice in the described first throttle spare, the neighboring of described first throttle spare is provided with at least one the first spacing ring, be provided with the second spacing ring on the described transfer tube, described the second spacing ring cooperates with described the first spacing ring described first throttle spare is fixed in the described transfer tube.
Preferably, the neighboring that described the first spacing ring is described first throttle spare inwardly concaves the groove of formation, and the inwall that described the second spacing ring is described transfer tube protrudes the bulge loop that forms.
Preferably, the inwall of described transfer tube protrudes and forms the 3rd spacing ring, the second throttling element that slides between described the 3rd spacing ring and described first throttle spare also is installed in the described transfer tube, offer the second section discharge orifice that is communicated with described first segment discharge orifice in described the second throttling element, the neighboring of described the second throttling element is provided with at least one sliding rib, and the neighboring of the inwall of described transfer tube, described the second throttling element and the side of described at least one sliding rib enclose the formation runner.
Preferably, the end that described first throttle spare is adjacent with described the second throttling element inwardly concaves and forms the first truncated cone-shaped cavity, the first round platform that the outwardly formation of an end that described the second throttling element is adjacent with described first throttle spare and described the first truncated cone-shaped cavity are adaptive.
Preferably, outwardly formation the second round platform of the end that described first throttle spare is adjacent with described the second throttling element, the end that described the second throttling element is adjacent with described first throttle spare inwardly concave and form the second truncated cone-shaped cavity adaptive with described the second round platform.
Preferably, also be provided with cushion chamber on the described first throttle spare, the two ends of described cushion chamber are communicated with described the first truncated cone-shaped cavity and described first segment discharge orifice respectively.
Preferably, also be provided with the boss that links to each other with the little end of diameter in described the first round platform on described the second throttling element, be socketed with seal on the described boss, there is the gap in the end face of described boss when described the first round platform cooperates with described the first truncated cone-shaped cavity and between the bottom surface of described cushion chamber, described seal and described cushion chamber are interference fit.
Preferably, also be provided with the constriction that links to each other with the large end of diameter in described the first round platform on described the second throttling element, be socketed with seal on the described constriction, the stage portion of holding described constriction is set on the described first throttle spare, the end that diameter is large in described stage portion and described the first truncated cone-shaped cavity links to each other, and described seal and described stage portion are interference fit.
Preferably, described first segment discharge orifice is coaxial with described second section discharge orifice.
The utility model also provides a kind of air-conditioner, comprise throttling arrangement, described throttling arrangement comprises the transfer tube that is communicated with the outside and the first throttle spare that is installed in the described transfer tube, offer the first segment discharge orifice in the described first throttle spare, the neighboring of described first throttle spare is provided with at least one the first spacing ring, be provided with the second spacing ring on the described transfer tube, described the second spacing ring cooperates with described the first spacing ring described first throttle spare is fixed in the described transfer tube.
With in the prior art capillary is welded on the outdoor heat exchanger outlet and compares with the high pressure valve place, the utility model replaces capillary of the prior art by first throttle spare is set, and first throttle spare is fixed by the first spacing ring and the second spacing ring and is installed in the transfer tube, be communicated with outside by transfer tube again, thereby only need the two ends of transfer tube are welded on respectively outdoor heat exchanger outlet and high pressure valve place.Because the caliber of transfer tube much larger than caliber capillaceous, so can increase the spacing of pad, reduces the welding difficulty, and can avoid welding stifled phenomenon.Simultaneously, because the reduction of welding difficulty, so can shorten weld interval, the generation of the problem that can avoid the solder joint Yin Gaowen of welding position and melt, because pad melts the accident that coolant leakage occurs breach appears thereby stop transfer tube, so safer when using the utility model throttling arrangement.
Description of drawings
Fig. 1 is the cut-away view of the utility model throttling arrangement the first embodiment;
Fig. 2 is the cut-away view when refrigerating state among the utility model throttling arrangement the second embodiment;
Fig. 3 is the cut-away view when heating state among the utility model throttling arrangement the second embodiment;
Fig. 4 is the structural representation of first throttle spare among the utility model throttling arrangement the second embodiment;
Fig. 5 is along the cutaway view of A-A direction among Fig. 4;
Fig. 6 is the structural representation of the second throttling element among the utility model throttling arrangement the second embodiment;
Fig. 7 is along the cutaway view of B-B direction among Fig. 6.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model provides a kind of throttling arrangement, and with reference to Fig. 1, Fig. 1 is the cut-away view of the utility model throttling arrangement the first embodiment.The utility model throttling arrangement comprises transfer tube 1, first throttle spare 2 and two screen packs 4 that are communicated with the outside, and first throttle spare 2 and two screen packs 4 all are located in the transfer tube 1, and two screen packs 4 are separately positioned on the both sides of first throttle spare 2.First throttle spare 2 is located between two screen packs 4, offer first segment discharge orifice 21 in the first throttle spare 2, the length of first segment discharge orifice 21 and diameter are according to required flow design of when refrigeration, the length of first segment discharge orifice 21 can be suitable with the length of first throttle spare 2, perhaps the length of first segment discharge orifice 21 bends in first throttle spare 2 such as first segment discharge orifice 21 greater than the length of first throttle spare 2.The neighboring of first throttle spare 2 is provided with the both ends that 22, two the first spacing rings 22 of two the first spacing rings are separately positioned on first throttle spare 2.Be provided with two second spacing rings 11 adaptive with the first spacing ring 22 on the transfer tube 1, first throttle spare 2 is fixed by the first spacing ring 22 and the second spacing ring 11 and is installed in the transfer tube 1.The number of certain the first spacing ring 22 is not limited to two, as one or three or more can be set as required.
With in the prior art capillary is welded on the outdoor heat exchanger outlet and compares with the high pressure valve place, the utility model replaces capillary of the prior art by first throttle spare 2 is set, and first throttle spare 2 is fixed by the first spacing ring 22 and the second spacing ring 11 and is installed in the transfer tube 1, be communicated with outside by transfer tube 1 again, thereby only need the two ends of transfer tube 1 are welded on respectively outdoor heat exchanger outlet and high pressure valve place.Because the caliber of transfer tube 1 much larger than caliber capillaceous, so can increase the spacing of pad, reduces the welding difficulty, and can avoid welding stifled phenomenon.Simultaneously, because the reduction of welding difficulty, so can shorten weld interval, the generation of the problem that can avoid the solder joint Yin Gaowen of welding position and melt, because pad melts the accident that coolant leakage occurs breach appears thereby stop transfer tube 1, so safer when using the utility model throttling arrangement.
In the utility model embodiment, the first spacing ring 22 is the recessed groove that forms in the neighboring of first throttle spare 2, and the second spacing ring 11 is that the inwall of transfer tube 1 protrudes the bulge loop that forms.In other variant embodiment, the first spacing ring is that the bulge loop that forms is protruded in the neighboring of first throttle spare 2, and the second spacing ring is the recessed groove that forms of the inwall of transfer tube 1.
When under different situations, needing adjust flux, when being the length of adjusting joint discharge orifice and diameter, as shown in Figures 2 and 3, Fig. 2 is the cut-away view when refrigerating state among the utility model throttling arrangement the second embodiment, and Fig. 3 is the cut-away view when heating state among the utility model throttling arrangement the second embodiment.On the basis of the first embodiment, throttling arrangement in the present embodiment also comprises the second throttling element 3, the inwall of transfer tube 1 protrudes formation the 3rd spacing ring 12, the second throttling elements 3 and is installed in the transfer tube 1, and can slide between the 3rd spacing ring 12 and first throttle spare 2.Offer second section discharge orifice 31 in the second throttling element 3, second section discharge orifice 31 can be communicated with first segment discharge orifice 21, the length of second section discharge orifice 31 arranges as required, the setting position of the 3rd spacing ring 12 is relevant with the length of second section discharge orifice 31, the neighboring of the second throttling element 3 is provided with four sliding ribs 32, and the side of the neighboring of the inwall of transfer tube 1, the second throttling element 3 and four sliding ribs 32 encloses and forms four runners.Certainly be not limited in other embodiments four sliding ribs 32, can arrange as required one, two or many.
As everyone knows, air-conditioner is different at refrigeration required cold medium flux when heating, when refrigeration, only need 2 throttlings of first throttle spare, the refrigerant first segment discharge orifice 21 of only need flowing through, the runner that the side of the neighboring of the inwall of transfer tube 1, the second throttling element 3 and four sliding ribs 32 encloses formation is used to the refrigerant of the first segment discharge orifice 21 of flowing through that runner is provided, certainly in when refrigeration, the part refrigerant of the first throttle spare 2 second section discharge orifice 31 of also can flowing through of flowing through; When heating, need first throttle spare 2 and the simultaneously throttlings of the second throttling element 3, the refrigerant first segment discharge orifice 21 second section discharge orifice 31 of also flowing through of not only flowing through, this moment the refrigerant runner of not flowing through.
In the above-described embodiments, the cooperation of the junction of first throttle spare 2 and the second throttling element 3 is that end face and end face cooperate, be that sealing means between first throttle spare 2 and the second throttling element 3 is the end sealing, in order to make better tightness between first throttle spare 2 and the second throttling element 3, please in the lump with reference to Fig. 4-Fig. 7, Fig. 4 is the structural representation of first throttle spare among the utility model throttling arrangement the second embodiment, Fig. 5 is along the cutaway view of A-A direction among Fig. 4, Fig. 6 is the structural representation of the second throttling element among the utility model throttling arrangement the second embodiment, and Fig. 7 is along the cutaway view of B-B direction among Fig. 6.An end adjacent with the second throttling element 3 of first throttle spare 2 inwardly concaves and forms the first truncated cone-shaped cavity 23 among the utility model embodiment; The first round platform 33 that an end outwardly formation adjacent with first throttle spare 2 of the second throttling element 3 and the first truncated cone-shaped cavity 23 are adaptive.The first truncated cone-shaped cavity 23 forms the end sealing means in the relative above-described embodiment of cone sealing when cooperating with the first round platform 33, its sealing effectiveness is better.
Certainly in other variant embodiment, also can be outwardly formation second round platform of an end adjacent with the second throttling element 3 (among the figure without illustrating) of first throttle spare 2; An end adjacent with first throttle spare 2 of the second throttling element 3 inwardly concaves and forms the second truncated cone-shaped cavity adaptive with the second round platform (among the figure without illustrating).
In order to guarantee that first segment discharge orifice 21 is communicated with second section discharge orifice 31, in the utility model embodiment, preferably, first segment discharge orifice 21 is coaxial with second section discharge orifice 31.Certainly first segment discharge orifice 21 is not limited to coaxial with second section discharge orifice 31 in the utility model embodiment, can be by at first throttle spare 2 cushion chamber 24 being set, the two ends of cushion chamber 24 are communicated with the first truncated cone-shaped cavity 23 and first segment discharge orifice 21 respectively, and cushion chamber 24 is used for first segment discharge orifice 21 is communicated with second section discharge orifice 31.
In order further to guarantee after the first truncated cone- shaped cavity 23 and 33 cooperations of the first round platform, refrigerant only flow through second section discharge orifice 31 and first segment discharge orifice 21, in the utility model embodiment, be provided with the constriction 34 that links to each other with the large end of diameter on the first round platform 23 on the second throttling element 3, be provided with groove 341 on the constriction 34, be socketed with seal 4 on the groove 341, be provided with the stage portion 25 of holding constriction 34 on the first throttle spare 2, the end that diameter is large on stage portion 25 and the first truncated cone-shaped cavity 23 links to each other, and seal 4 is interference fit with stage portion 25.Certainly in other embodiments, groove 341 can be set, be socketed between the seal 4 on the constriction 34.
In order further to guarantee after the first truncated cone- shaped cavity 23 and 33 cooperations of the first round platform, refrigerant only flow through second section discharge orifice 31 and first segment discharge orifice 21, in other embodiments, can also be to be provided with the boss that links to each other with the little end of diameter on the first round platform 33 (among the figure without illustrating) on the second throttling element 3, be socketed with seal 4 on the boss, there is the gap in the end face of boss when the first round platform 33 and 23 applying of the first truncated cone-shaped cavity and between the bottom surface of cushion chamber 24, seal 4 is interference fit with cushion chamber 24.
The action of the utility model throttling arrangement further specifies the utility model throttling arrangement below in conjunction with air-conditioner refrigeration and when heating.
When air-conditioner freezes, referring again to Fig. 2, refrigerant flows to the D end from the C end of transfer tube, particularly, refrigerant flows into through behind the filter screen from the C end, and flow through first segment discharge orifice 21 and cushion chamber 24 are under the pressure of refrigerant, the second throttling element 3 is pushed to the direction motion away from first throttle spare 2, and most refrigerant flows out from the D end through runner, screen pack.The throttling action that this moment, refrigerant only passed through first segment discharge orifice 21.
When air conditioner heat-production, referring again to Fig. 3, refrigerant flows to the F end from the E end of transfer tube, particularly, refrigerant flows into through behind the filter screen from the E end, under the pressure of refrigerant, the second throttling element 3 is pushed the direction motion to first throttle spare 2, this moment, the first round platform 33 cooperated the sealing of formation cone with the first truncated cone-shaped cavity 23, constriction 34 is contained in the stage portion 25, seal 4 forms interference fit with stage portion 25, with the refrigerant in the runner and 21 isolation of first segment discharge orifice, the refrigerant in the first segment discharge orifice 21 that guarantees to flow through only from second section discharge orifice 31 and through filter screen from the outflow of F end.Refrigerant is through the throttling action of first segment discharge orifice 21 and second section discharge orifice 31 at this moment.
The utility model also provides a kind of air-conditioner, comprise the throttling arrangement in above-described embodiment, so have advantages of in above-described embodiment throttling arrangement all, as not having the situation of stopping up and damaging first throttle spare when installing and change, and it is more quick and conveniently to install and change throttling arrangement.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. throttling arrangement, it is characterized in that, comprise the transfer tube that is communicated with the outside and the first throttle spare that is installed in the described transfer tube, offer the first segment discharge orifice in the described first throttle spare, the neighboring of described first throttle spare is provided with at least one the first spacing ring, be provided with the second spacing ring on the described transfer tube, described the second spacing ring cooperates with described the first spacing ring described first throttle spare is fixed in the described transfer tube.
2. throttling arrangement according to claim 1 is characterized in that, the neighboring that described the first spacing ring is described first throttle spare inwardly concaves the groove of formation, and the inwall that described the second spacing ring is described transfer tube protrudes the bulge loop that forms.
3. throttling arrangement according to claim 1, it is characterized in that, the inwall of described transfer tube protrudes and forms the 3rd spacing ring, the second throttling element that slides between described the 3rd spacing ring and described first throttle spare also is installed in the described transfer tube, offer the second section discharge orifice that is communicated with described first segment discharge orifice in described the second throttling element, the neighboring of described the second throttling element is provided with at least one sliding rib, and the neighboring of the inwall of described transfer tube, described the second throttling element and the side of described at least one sliding rib enclose the formation runner.
4. throttling arrangement according to claim 3, it is characterized in that, the end that described first throttle spare is adjacent with described the second throttling element inwardly concaves and forms the first truncated cone-shaped cavity, the first round platform that the outwardly formation of an end that described the second throttling element is adjacent with described first throttle spare and described the first truncated cone-shaped cavity are adaptive.
5. throttling arrangement according to claim 3, it is characterized in that, outwardly formation the second round platform of the end that described first throttle spare is adjacent with described the second throttling element, the end that described the second throttling element is adjacent with described first throttle spare inwardly concave and form the second truncated cone-shaped cavity adaptive with described the second round platform.
6. throttling arrangement according to claim 4 is characterized in that, also is provided with cushion chamber on the described first throttle spare, and the two ends of described cushion chamber are communicated with described the first truncated cone-shaped cavity and described first segment discharge orifice respectively.
7. throttling arrangement according to claim 6, it is characterized in that, also be provided with the boss that links to each other with the little end of diameter in described the first round platform on described the second throttling element, be socketed with seal on the described boss, there is the gap in the end face of described boss when described the first round platform cooperates with described the first truncated cone-shaped cavity and between the bottom surface of described cushion chamber, described seal and described cushion chamber are interference fit.
8. throttling arrangement according to claim 4, it is characterized in that, also be provided with the constriction that links to each other with the large end of diameter in described the first round platform on described the second throttling element, be socketed with seal on the described constriction, the stage portion of holding described constriction is set on the described first throttle spare, the end that diameter is large in described stage portion and described the first truncated cone-shaped cavity links to each other, and described seal and described stage portion are interference fit.
9. each described throttling arrangement in 8 according to claim 3 is characterized in that, described first segment discharge orifice is coaxial with described second section discharge orifice.
10. an air-conditioner is characterized in that, comprises each described throttling arrangement among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220273942.3U CN202757359U (en) | 2012-06-11 | 2012-06-11 | Throttling device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220273942.3U CN202757359U (en) | 2012-06-11 | 2012-06-11 | Throttling device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757359U true CN202757359U (en) | 2013-02-27 |
Family
ID=47736534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220273942.3U Expired - Fee Related CN202757359U (en) | 2012-06-11 | 2012-06-11 | Throttling device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757359U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | Throttling diverter and air conditioner with same |
| CN109290435A (en) * | 2018-09-11 | 2019-02-01 | 海宁格络纳斯电子商务有限公司 | The more cabin structures of solar water container liner and production method |
| CN110168288A (en) * | 2017-01-11 | 2019-08-23 | 大金工业株式会社 | Air-conditioning device and indoor unit |
-
2012
- 2012-06-11 CN CN201220273942.3U patent/CN202757359U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110168288A (en) * | 2017-01-11 | 2019-08-23 | 大金工业株式会社 | Air-conditioning device and indoor unit |
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | Throttling diverter and air conditioner with same |
| CN108151380B (en) * | 2018-01-05 | 2023-12-26 | 珠海格力电器股份有限公司 | Throttle shunt and air conditioner with same |
| CN109290435A (en) * | 2018-09-11 | 2019-02-01 | 海宁格络纳斯电子商务有限公司 | The more cabin structures of solar water container liner and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20200611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |