CN201925481U - One-way movable throttle valve and outdoor unit for air conditioner - Google Patents
One-way movable throttle valve and outdoor unit for air conditioner Download PDFInfo
- Publication number
- CN201925481U CN201925481U CN2010206941970U CN201020694197U CN201925481U CN 201925481 U CN201925481 U CN 201925481U CN 2010206941970 U CN2010206941970 U CN 2010206941970U CN 201020694197 U CN201020694197 U CN 201020694197U CN 201925481 U CN201925481 U CN 201925481U
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- throttle valve
- valve
- spool
- throttle
- cover
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Abstract
The utility model discloses a one-way movable throttle valve and an outdoor unit for an air conditioner. The one-way movable throttle valve comprises a valve body and a valve core, wherein a sliding cavity is arranged in the valve body, and the valve core is arranged in the sliding cavity of the valve body and is capable of axially sliding relative to the valve body; when axially sliding in the valve body, the valve core has a throttling state and a filling state; a throttling channel is arranged on the valve core, and a filling channel is arranged on the valve body; in the filling state, a first end of the throttle valve is communicated with a second end of the throttle valve through the filling channel; and in the throttling state, the second end of the throttle valve is communicated with the first end of the throttle valve through the throttling channel. The one-way movable throttle valve can effectively reduce the production cost of the outdoor unit for the air conditioner and improves the production efficiency.
Description
Technical field
The utility model belongs to field of air conditioning, is specifically related to a kind of unidirectional movable throttle valve and air conditioner outdoor machine.
Background technique
When air conditioner outdoor machine is produced, capillary tube need be installed on air conditioner outdoor machine, so, when the perfusion refrigerant, can not pour into, if pour into, because there is capillary tube from valve from the valve of air conditioner outdoor machine, the speed of perfusion is very slow, badly influences manufacturing efficiency.
So, on existing air conditioner outdoor machine, need in the pipeline of air conditioner outdoor machine, increase the instillation process pipe, pour into from this instillation process pipe during perfusion, carry out gas brazing with the instillation process channel closure by the workman then, finish the cooling medium charging work of air conditioner outdoor machine.This structure has caused the cost of air conditioner outdoor machine to rise, and, because the setting of process duct sealing process has also limited the raising of manufacturing efficiency to a certain extent.
For other air conditioner outdoor machine that adopts the fixation type throttle valve, also there is identical problem.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of unidirectional movable throttle valve and air conditioner outdoor machine are provided, and the utility model can effectively reduce the cost of production of air conditioner outdoor machine, enhances productivity.
Its technological scheme is as follows.
A kind of unidirectional movable throttle valve comprises valve body and spool, is provided with sliding cavity in valve body, and spool is located in the sliding cavity of valve body and can be had throttle and perfusion state in valve body when spool endwisely slips with respect to the axial slide relative of valve body; On spool, be provided with throttling passage, on valve body, be provided with perfusion channel; Under perfusion state, first end of throttle valve communicates with second end by perfusion channel; Under the throttle, second end of throttle valve communicates with first end by throttling passage.
Below the further technological scheme of the utility model is described.
Described valve body comprise outer tube and in the cover, in be sheathed in the outer tube, described perfusion channel is located between outer tube and the interior cover.
First end of cover is that fixed end, second end are free end in described, and interior cover is affixed by its fixed end and described overcoat.
The fixed end of cover is provided with inner via hole in described, and the free end of cover was provided with side opening at the fixed end of interior cover and the sidewall between the free end in described sliding cavity was located at; Under perfusion state, the free end that described spool inwardly overlaps is close, and first end of throttle valve communicates with second end by inner via hole, side opening, perfusion channel; Under throttle, the fixed end that described spool inwardly overlaps is close and block described side opening, and second end of throttle valve communicates with first end of throttle valve by throttling passage, inner via hole.
The end of cover second end is a through hole in described, and the end of cover second end is provided with the catch to the axle center inclination in described, and after described spool placed sliding cavity, catch blocked described spool.
Be provided with the inner sealing surface of taper at described sliding cavity near throttle valve first extreme direction, be provided with the external sealed face of taper in the same direction of described spool; Under throttle, spool slides to first extreme direction of throttle valve, and inner sealing surface cooperates with the external sealed face seal.
A kind of air conditioner outdoor machine comprises housing, outdoor heat exchanger, compressor and aforementioned throttle valve; Outdoor heat exchanger, compressor are installed in the housing, are provided with first valve and second valve on housing, and first valve is connected with second valve by throttle valve first end, throttle valve second end, outdoor heat exchanger, compressor successively.
Adopt the air-conditioning perfusion of aforementioned throttle valve and operation method comprises the steps: A, machine installs an air-conditioner; B, in air-conditioning, pour into refrigerant by first valve, throttle valve, under the effect of refrigerant pressure, the spool of throttle valve slides to throttle valve second extreme direction, and refrigerant is by first valve, throttle valve first end, perfusion channel, throttle valve second end inlet chamber external heat exchanger and the compressor; After C, perfusion are finished, open compressor, operation of air conditioner, refrigerant is under the compressor effect, enter throttle valve second end from outdoor heat exchanger, under the effect of refrigerant pressure, the spool of throttle valve slides to throttle valve first extreme direction, and refrigerant is successively by entering the vaporizer circulation behind throttle valve second end, throttling passage, throttle valve first end, first valve.
Below advantage of the present utility model is described.
1, because throttle valve adopts unidirectional movable structure, when pouring into, spool can be under the effect of refrigerant pressure reverse slide, thereby first end that makes throttle valve is by perfusion channel and the throttle valve second end conducting; So, no longer need in air conditioner outdoor machine, add the instillation process pipe, reduced cost, when perfusion, efficient is also higher.
2, the valve body of throttle valve comprise outer tube and in cover, first end and the outer tube of interior cover are fixed, the described perfusion channel of formation between interior cover and the outer tube, first end of throttle valve communicates by, inner via hole, side opening, perfusion channel.This structural design is simple, small and exquisite.
3, the end of interior cover second end is a through hole, and is provided with catch in the end of interior cover second end, and is behind the cover, by catch that spool is spacing again in spool places, and avoids spool to withdraw from.
4, under throttle, the inner sealing surface of valve body matches with the external sealed face of spool, because inner sealing surface and external sealed face are all tapered, has adaptation function, good sealing effect between inner sealing surface and the external sealed face.
Description of drawings
Among Fig. 1 the utility model embodiment, the structural drawing of described air conditioner outdoor machine.
Fig. 2 is among the utility model embodiment, the structural drawing of throttle valve.
Description of reference numerals: 1, housing, 2, compressor, 3, outdoor heat exchanger, 4, first valve, 5, second valve, 6, throttle valve, 7, outer tube, 8, interior cover, 9, spool, 10, inner via hole, 11, side opening, 12, perfusion channel, 13, throttling passage, 14, catch, 15, the external sealed face, 16, inner sealing surface.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
As shown in Figures 1 and 2, a kind of air conditioner outdoor machine comprises housing 1, outdoor heat exchanger 3, compressor 2 and unidirectional movable throttle valve 6; Outdoor heat exchanger 3, compressor 2 are installed in the housing 1, be provided with first valve 4 and second valve, 5, the first valves 4 and be connected with second valve 5 by throttle valve 6 first ends, throttle valve 6 second ends, outdoor heat exchanger 3, compressor 2 successively on housing 1.
Wherein, unidirectional movable throttle valve 6 comprises valve body and spool 9, is provided with sliding cavity in valve body, and spool 9 is located in the sliding cavity of valve body and can be had throttle and perfusion state in valve body when spool 9 endwisely slips with respect to the axial slide relative of valve body; On spool 9, be provided with throttling passage 13, on valve body, be provided with perfusion channel 12; Under perfusion state, throttle valve 6 first ends communicate with second end by perfusion channel 12; Under the throttle, throttle valve 6 second ends communicate with first end by throttling passage 13.
Described valve body comprises outer tube 7 and interior cover 8, and interior cover 8 is located in the outer tube 7, and perfusion channel 12 is located between outer tube 7 and the interior cover 8.First end of cover 8 is that fixed end, second end are free end in described, and interior cover 8 is affixed by its fixed end and overcoat.Fixed end at interior cover 8 is provided with inner via hole 10, and cover 8 free end in sliding cavity is located at is provided with side opening 11 at the fixed end and the sidewall between the free end of interior cover 8; Under perfusion state, the free end of spool 9 inside covers 8 is close, and throttle valve 6 first ends communicate with second end by inner via hole 10, side opening 11, perfusion channel 12; Under throttle, the fixed end of spool 9 inside covers 8 is close and block side opening 11, and throttle valve 6 second ends communicate with throttle valve 6 first ends by throttling passage 13, inner via hole 10.The end of interior cover 8 second ends is a through hole, is provided with the catch that tilts to the axle center in the end of interior cover 8 second ends, and after spool 9 placed sliding cavity, catch 14 blocked spool 9.Be provided with the inner sealing surface 16 of taper at sliding cavity near throttle valve 6 first extreme directions, be provided with the external sealed face 15 of taper in the same direction of spool 9; Under throttle, spool 9 slides to throttle valve 6 first extreme directions, and inner sealing surface 16 is sealed and matched with external sealed face 15.
Adopt the perfusion and the operation method of the air conditioner of aforementioned air conditioner outdoor machine, comprise the steps: A, machine installs an air-conditioner; B, in air-conditioning, pour into refrigerant by first valve 4, throttle valve 6, under the effect of refrigerant pressure, throttle valve 6 spools 9 slide to throttle valve 6 second extreme directions, and refrigerant is by first valve 4, throttle valve 6 first ends, side opening, perfusion channel 12, throttle valve 6 second end inlet chamber external heat exchanger 3 and compressors 2; After C, perfusion are finished, open compressor 2, operation of air conditioner, refrigerant is under compressor 2 effects, enter throttle valve 6 second ends from outdoor heat exchanger 3, under the effect of refrigerant pressure, throttle valve 6 spools 9 slide to throttle valve 6 first extreme directions, and refrigerant is successively by entering the vaporizer circulation behind throttle valve 6 second ends, throttling passage 13, throttle valve 6 first ends, first valve 4.
Present embodiment has following advantage.
1, because throttle valve 6 adopts unidirectional movable structure, when pouring into, spool 9 can be under the effect of refrigerant pressure reverse slide, thereby make throttle valve 6 first ends by perfusion channel 12 and throttle valve 6 second end conductings; So, no longer need in air conditioner outdoor machine, add the instillation process pipe, reduced cost, when perfusion, efficient is also higher.
2, throttle valve 6 valve bodies comprise outer tube 7 and in cover 8, first end of interior cover 8 is fixing with outer tube 7, formation perfusion channel 12 between interior cover 8 and the outer tube 7, throttle valve 6 first ends communicate by, inner via hole 10, side opening 11, perfusion channel 12.This structural design is simple, small and exquisite.
3, the end of interior cover 8 second ends is a through hole, and is provided with catch 14 in the end of interior cover 8 second ends, and is behind the cover 8, by catch 14 that spool 9 is spacing again in spool 9 places, and avoids spool 9 to withdraw from.
4, under throttle, the inner sealing surface 16 of valve body matches with the external sealed face 15 of spool 9, because inner sealing surface 16 is all tapered with external sealed face 15, has adaptation function, good sealing effect between inner sealing surface 16 and the external sealed face 15.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (7)
1. unidirectional movable throttle valve, it is characterized in that, comprise valve body and spool, in valve body, be provided with sliding cavity, spool is located in the sliding cavity of valve body and can be had throttle and perfusion state in valve body when spool endwisely slips with respect to the axial slide relative of valve body; On spool, be provided with throttling passage, on valve body, be provided with perfusion channel; Under perfusion state, first end of throttle valve communicates with second end by perfusion channel; Under the throttle, second end of throttle valve communicates with first end by throttling passage.
2. unidirectional according to claim 1 movable throttle valve is characterized in that, described valve body comprise outer tube and in the cover, in be sheathed in the outer tube, described perfusion channel is located between outer tube and the interior cover.
3. as unidirectional movable throttle valve as described in the claim 2, it is characterized in that, described in first end of cover be that fixed end, second end are free end, interior cover is affixed by its fixed end and described overcoat.
4. as unidirectional movable throttle valve as described in the claim 3, it is characterized in that the fixed end of cover is provided with inner via hole in described, the free end of cover was provided with side opening at the fixed end of interior cover and the sidewall between the free end in described sliding cavity was located at; Under perfusion state, the free end that described spool inwardly overlaps is close, and first end of throttle valve communicates with second end by inner via hole, side opening, perfusion channel; Under throttle, the fixed end that described spool inwardly overlaps is close and block described side opening, and second end of throttle valve communicates with first end of throttle valve by throttling passage, inner via hole.
5. as unidirectional movable throttle valve as described in the claim 3, it is characterized in that, described in the end of cover second end be through hole, the end of cover second end is provided with the catch to the axle center inclination described in, after described spool placed sliding cavity, catch blocked described spool.
6. as unidirectional movable throttle valve as described in each in the claim 1 to 5, it is characterized in that, be provided with the inner sealing surface of taper near throttle valve first extreme direction, be provided with the external sealed face of taper in the same direction of described spool at described sliding cavity; Under throttle, spool slides to first extreme direction of throttle valve, and inner sealing surface cooperates with the external sealed face seal.
7. an air conditioner outdoor machine is characterized in that, comprises housing, outdoor heat exchanger, compressor and the described throttle valve of aforementioned each claim; Outdoor heat exchanger, compressor are installed in the housing, are provided with first valve and second valve on housing, and first valve is connected with second valve by throttle valve first end, throttle valve second end, outdoor heat exchanger, compressor successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206941970U CN201925481U (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve and outdoor unit for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206941970U CN201925481U (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve and outdoor unit for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925481U true CN201925481U (en) | 2011-08-10 |
Family
ID=44429329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206941970U Expired - Lifetime CN201925481U (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve and outdoor unit for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537412A (en) * | 2010-12-31 | 2012-07-04 | 珠海格力电器股份有限公司 | One-way movable throttle valve, outdoor unit of air conditioner and filling and operating method of air conditioner |
-
2010
- 2010-12-31 CN CN2010206941970U patent/CN201925481U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537412A (en) * | 2010-12-31 | 2012-07-04 | 珠海格力电器股份有限公司 | One-way movable throttle valve, outdoor unit of air conditioner and filling and operating method of air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |