CN211177493U - Be applied to domestic air conditioner's amortization four way valve subassembly - Google Patents
Be applied to domestic air conditioner's amortization four way valve subassembly Download PDFInfo
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- CN211177493U CN211177493U CN201922352172.6U CN201922352172U CN211177493U CN 211177493 U CN211177493 U CN 211177493U CN 201922352172 U CN201922352172 U CN 201922352172U CN 211177493 U CN211177493 U CN 211177493U
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- way valve
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- 230000030279 gene silencing Effects 0.000 claims abstract description 88
- 230000008602 contraction Effects 0.000 claims abstract description 25
- 230000007704 transition Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 28
- 238000013461 design Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000001743 silencing effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a be applied to domestic air conditioner's amortization cross valve subassembly, include: a four-way valve; the exhaust pipe, the condenser connecting pipe, the air suction pipe and the stop valve pipe are matched with the four-way valve; the exhaust pipe is provided with a first silencing assembly, and the stop valve pipe is also provided with a second silencing assembly; the first silencing assembly comprises a first reducing silencing barrel with the diameter larger than that of the exhaust pipe, and at least one contraction part is arranged on the first reducing silencing barrel. The utility model provides a be applied to amortization four-way valve subassembly of domestic air conditioner, it can design through the overall arrangement structure to the blast pipe to through the split type reducing amortization mechanism that sets up above that, the noise and the vibrations that produce its transmission medium are got rid of, and then guarantee that the blast pipe working process has better silence effect, can install the muffler as required simultaneously, tear open and trade, and the dodge nature to the inner structure of air conditioner is better, and pipe fitting processing, assembly process are more simple.
Description
Technical Field
The utility model relates to a structure in refrigeration plant. More particularly, the present invention relates to a four-way valve assembly for use in a household air conditioning apparatus.
Background
The four-way valve is connected to the compressor of air conditioner to replace the middle station with refrigerant in the cooling and heating modes, and has exhaust pipe joint in the upper end, condenser pipe joint, return pipe joint and stop valve pipe joint in the lower end, and four pipeline joints connected to the exhaust port, condenser, air suction port and indoor unit. The four-way valve is arranged above the compressor main body, a large amount of noise can be generated in an exhaust pipe matched with the compressor during working, pipe body vibration or collision with structural members of other parts can be generated during transmission, vibration is generated on the working environment, and the four-way valve does not meet the existing requirement of silencing equipment.
In order to know less vibration and vibration, metal pipe fittings are adopted for the pipe fittings, so that the vibration and vibration of the pipeline generated by internal transmission in the working process of equipment are effectively controlled, but the noise generated in the transmission cannot be obviously controlled, meanwhile, the vibration generated by a transmission medium of the pipeline is removed by welding a silencing mechanism on the pipeline in the prior art, but the integral welding type structural design ensures that the assembly of the pipeline has certain difficulty, the later maintenance is difficult to disassemble and assemble, meanwhile, the structure of the silencing mechanism is complex, the cost is higher, meanwhile, the noise is generated by a cut-off valve pipe in the working process, and the noise requirement on the silencing is higher because the cut-off valve pipe needs to be connected into an indoor unit, meanwhile, the working positions of the two are different, but the noises with different frequencies can not be simultaneously removed by adopting the traditional reducing silencing piece, and along with the requirement of people on the environment is higher and higher, the silencing piece in the prior art can only reach about 45% of the room that disappears, and its noise cancelling effect can not satisfy the use needs.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model also aims at providing a be applied to amortization four-way valve subassembly of domestic air conditioner, it can design through the overall arrangement structure to the blast pipe, and through setting up respectively at the blast pipe, stop the split type reducing noise cancelling mechanism on the valve pipe, the noise and the vibrations that produce its transmission medium are got rid of, and then guarantee the blast pipe, stop valve working process has better silence effect, can install the amortization subassembly as required simultaneously, tear open and trade, pipe fitting processing, assembly process is more simple, can eliminate the noise totality that two pipeline subassemblies operation produced more than 85%.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a muffling four-way valve assembly applied to a household air conditioner, including:
a four-way valve;
a pipe assembly coupled to the four-way valve, and configured to include an exhaust pipe connected to an upper pipe joint of the four-way valve, and a condenser connection pipe, an air suction pipe, and a stop valve pipe respectively connected to three pipe joints of a lower portion of the four-way valve;
the exhaust pipe is provided with a first U-shaped pipe at one end matched with the pipeline joint, an inverted V-shaped first bent pipe is arranged at one end matched with the exhaust port of the compressor, the first U-shaped pipe is connected with the first bent pipe through a first arc-shaped transition pipe, a second U-shaped pipe and a second arc-shaped transition pipe which are matched with each other, and the second arc-shaped transition pipe is connected with the second U-shaped pipe through a first silencing assembly;
the stop valve pipe is configured into an inverted L-shaped structure, and a second silencing assembly is arranged on the stop valve pipe;
the first silencing assembly is configured to comprise a first reducing silencing barrel with the diameter larger than that of the exhaust pipe, the second reducing silencing barrel is provided with first reducing contraction parts at two ends matched with the stop valve pipe respectively, at least one contraction part is arranged on the first reducing silencing barrel in the axial direction, and a corrugated silencing groove is formed in the inner side wall of the first reducing silencing barrel;
the second silencing assembly comprises a second variable-diameter silencing barrel with the diameter larger than that of the stop valve pipe, and second variable-diameter contraction parts are respectively arranged at two ends of the second variable-diameter silencing barrel, which are matched with the stop valve pipe;
each first reducing contraction part and each second reducing contraction part are connected with the exhaust pipe and the stop valve pipe through threads.
Preferably, one end of the second reducing silencing barrel, which is matched with each second reducing contraction part, is provided with a limiting groove, and one side of the top of the limiting groove is provided with at least one elastic bend extending into the groove;
the outer side wall of each second reducing contraction part is provided with a first annular boss matched with each elastic bending on the end part matched with the second reducing silencing barrel, and the annular boss is provided with at least one notch matched with each elastic bending.
Preferably, at least one hourglass-shaped silencing piece is arranged in the second reducing silencing barrel;
an annular boss for supporting the installation of the sound-absorbing part is arranged on the inner side wall of one end of the second variable-diameter sound-absorbing cylinder;
and the other end of the second variable diameter silencing barrel limits the mounting position of the silencing piece through a sealing piece with a wedge-shaped structure.
Preferably, the sealing element is provided with a silica gel sealing layer on the side wall matched with the silencing barrel;
and the end surface of the adjacent second reducing silencing barrel and the end surface of the second annular boss matched with the second reducing silencing piece are respectively provided with a first silica gel damping layer;
and a matched second silica gel shock absorption layer is arranged on the inner side wall of the limiting groove.
Preferably, the suction pipe is provided with a first inclined transition pipe extending downwards at one end matched with the four-way valve;
one end of the air suction pipe, which is matched with an air suction port of the compressor, is provided with a second bent pipe in an inverted V shape;
and the first inclined transition pipe and the second bent pipe are connected through a third U-shaped pipe.
Preferably, a fourth U-shaped pipe and a fifth U-shaped pipe are respectively arranged at one end of the condenser connecting pipe, which is matched with the four-way valve and the condenser;
and the fourth U-shaped pipe and the fifth U-shaped pipe are connected through a second inclined transition pipe.
The utility model at least has the following advantages that, firstly, the utility model limits the structure of the exhaust pipe in the pipeline component, so that the air conditioner can be smoothly wound and avoided from an internal mechanism of the air conditioner main machine, the transmission length of the air conditioner main machine is further increased through the structural layout, the noise in the exhaust pipe process is quantitatively removed through two U-shaped structures and arc transition, and further, the multi-section noise reduction can be realized through the structural design of the contraction part on the first noise reduction component on the exhaust pipe, so as to remove the noise with different frequencies generated in the transmission process, further increase the noise reduction area by arranging the corrugated noise reduction groove inside, meanwhile, due to the design of the protruding part of the groove body, the noise is continuously consumed in the transmission process, and the noise generated in the working process of the exhaust pipe can be effectively removed by more than 85%.
And secondly, the utility model discloses a to the second amortization subassembly that sets up on the stop valve, to its wind of going into the indoor unit process of removing noise, also through the structural design of second amortization subassembly simultaneously for it can realize the reducing amortization, and the frequency division rate amortization, and then the noise of guaranteeing to produce in the stop valve pipe working process can effectively get rid of more than 87%.
Thirdly, the utility model discloses a carry out split type design to each hush pipe structure for quality problems appears in it in the use, can only get rid of the change to the part, and then guarantee that equipment operation life is more reliable.
Fourthly, the utility model discloses further design the structure of inhaling the pipe for it can get rid of to the vibrations and the noise that the gas absorption in-process produced, and then guarantees that equipment can be in more silent operating condition.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a four-way valve assembly for silencing applied to a household air conditioner according to an embodiment of the present invention;
FIG. 2 illustrates a schematic view of the structure of FIG. 1 from another perspective;
fig. 3 is a schematic cross-sectional structure diagram of a contraction transition section according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of a silencing pot according to another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1-4 show a noise reduction four-way valve assembly implementation form applied to a household air conditioner according to the utility model:
a four-way valve 1;
a pipe assembly coupled with the four-way valve, which is configured to include an exhaust pipe 2 connected to an upper pipe joint of the four-way valve, and a condenser joint pipe 3, an air suction pipe 4, and a stop valve pipe 5 respectively connected to three pipe joints of a lower portion of the four-way valve;
wherein, the exhaust pipe has a first U-shaped pipe 20 at one end matched with the pipeline joint, an inverted V-shaped first bend pipe 21 is arranged at one end matched with the exhaust port of the compressor, the first U-shaped pipe and the first bend pipe are connected through a first arc transition pipe 22, a second U-shaped pipe 23 and a second arc transition pipe 24 which are matched, the second arc transition pipe and the second U-shaped pipe are connected through a first silencing component 6, the transmission length of the exhaust pipe is increased through the structural design of the exhaust pipe, the noise in the exhaust pipe process is quantitatively removed through two U-shaped structures and arc transition, the transmission distance is further increased through two large arc pipe fittings, the noise can be effectively attenuated in the transmission process, and meanwhile, the exhaust pipe can be matched with the position of the compressor of the air conditioning equipment through the structural design of the inverted V-shaped first bend pipe, the winding work of the components is completed, meanwhile, the transmission distance is further lengthened through the structural design, and the noise and the vibration generated in the medium transmission process are eliminated through the matching of a bent structure;
the stop valve pipe is configured into an inverted L-shaped structure, and is also provided with a second silencing component 7, the second silencing component is matched with the interface position of the indoor unit through structural design, and meanwhile, the noise in the work process of the second silencing component is quantitatively removed;
the first silencing component is configured to comprise a first reducing silencing barrel 61 with the diameter larger than that of the exhaust pipe, the second reducing silencing barrel is respectively provided with a first reducing contraction part 62 at two ends matched with the stop valve pipe, the first reducing silencing barrel is in split structure, can be conveniently installed and disassembled, is convenient to maintain and is matched with components in the air conditioner, at least one contraction part 63 is arranged in the axial direction of the first reducing silencing barrel, through the structural design of the contraction part on the first silencing component on the exhaust pipe, the first reducing silencing barrel can realize multi-section silencing to remove noises with different frequencies generated in the transmission process, corrugated silencing grooves (not shown) are arranged on the inner side wall of the first reducing silencing barrel, the silencing area is increased through the corrugated silencing grooves arranged in the exhaust pipe, and meanwhile, through the design of a protruding component of the groove body, the noise is continuously consumed in the transmission process, and the noise generated in the working process of the exhaust pipe can be effectively removed by over 85 percent through continuous silencing matching in various modes;
the second silencing assembly is configured to comprise a second reducing silencing barrel 710 with the diameter larger than that of the stop valve pipe, the silencing barrel is designed to have a larger diameter structure than the first U-shaped pipe and the bent pipe, so that noise generated by a transmission medium of the silencing barrel can be eliminated in a reducing mode, and second reducing contraction parts 720 are respectively arranged at two ends of the second reducing silencing barrel, which are matched with the stop valve pipe, and are used for realizing reducing transition, so that a better silencing effect is ensured;
each first reducing constriction part, second reducing constriction part and blast pipe, stop valve pipe pass through the screw thread and realize being connected, detachable threaded connection mode for its pipeline course of working is easier, and the cooperation between the equipment subassembly is implemented more easily, and the component structure of the inside different models of air conditioner of avoiding that simultaneously can the adaptability has better adaptability.
In another embodiment as shown in fig. 4, the second reducing silencing barrel is provided with a limiting groove 711 at one end matched with each second reducing contraction part, one side of the top of the limiting groove is provided with at least one elastic bend 712 extending into the groove, and the structures of the limiting groove and the reducing contraction part are foldable through the splicing design of the limiting groove and the connecting end of the reducing contraction part, so that compared with the integral welding structure in the prior art, the integral welding structure is more beneficial to assembly and later maintenance work, and the elastic bend structure is designed to control the structural connectivity through the bend similar to the spring sheet structure and the first annular boss clamp after the contraction part is inserted into the limiting groove, so as to ensure stable structural connection;
the lateral wall of each second reducing constriction part is provided with and bends first annular boss 721 of matched with each elasticity on the tip with second reducing amortization section of thick bamboo matched with, be provided with at least one and each elasticity on the annular boss and bend matched with notch, through the structural design of notch for the reducing constriction part is inserted the back and is made to bend and cooperate with first annular boss through rotatory, accomplishes the joint, and passes through the rotation at the later stage, makes to bend and corresponds with the spatial position of notch, accomplishes dismantling the two, easy to assemble and maintenance.
As shown in fig. 4, in another example, at least one hourglass-shaped silencing piece 730 is arranged in the second diameter-variable silencing tube, through the hourglass-shaped structural design, after the transmission medium of the second diameter-variable silencing tube is subjected to diameter variation for many times through the silencing piece after being subjected to diameter variation once through the external structure, noise with different frequencies can be removed, and thus the silencing effect in the transmission process of the second diameter-variable silencing tube meets the use requirement and the requirement on transmission with the interiors of air conditioners of different models;
an annular boss 713 supporting the installation of the silencing piece is arranged on the inner side wall of one end of the second variable diameter silencing barrel and is used for installing and limiting the silencing piece in the silencing barrel;
the sealing member 740 that the second reducing silencing barrel other end passes through the wedge structure is injectd the mounted position of amortization piece, and it is used for acting on the one end of amortization piece through the sealing member for its structure combines between the inside wall to have better compactness, and better stability, guarantees simultaneously that equipment pipe fitting can not vibrate at the amortization in-process production, and then makes it can eliminate the noise that produces more than 80% with blast pipe work.
In another example, the sealing member is provided with a silicone sealing layer (not shown) on a side wall matched with the silencing pot, and the silicone sealing layer is used for ensuring the sealing performance between the equipment components, preventing the equipment components from colliding during operation, generating noise and ensuring the stability of the structure;
a first silica gel shock absorption layer 750 matched with the second variable diameter silencing piece is respectively arranged on the end face contacted with the adjacent second variable diameter silencing tube and the end face matched with the second annular boss and the second variable diameter silencing piece;
be provided with matched with second silica gel shock-absorbing layer (not shown) on the inside wall of restriction groove, shake each other, the sympathetic response is got rid of to the structure that the component produced in transmission process through each silica gel shock-absorbing layer, and then guarantees that equipment component can not produce the noise at work, guarantees that its working effect meets the demands.
In another example, as shown in fig. 1, the suction pipe is provided with a first inclined transition pipe 40 extending downward at one end thereof which is engaged with the four-way valve, and the first inclined transition pipe is used for changing the leading position of the four-way valve interface, increasing the transmission path thereof, and further quantitatively removing the vibration generated in the operation thereof through the inclined transition;
the air suction pipe is provided with an inverted V-shaped second bent pipe 41 at one end matched with an air suction port of the compressor, the air suction pipe can be matched with the position of the compressor of the air conditioning equipment through the structural design of the inverted V-shaped second bent pipe to finish the winding work of parts, meanwhile, the transmission distance of the air suction pipe is further lengthened through the structural design, and the noise and the vibration generated in the medium transmission process are eliminated through the matched bent structure;
the inclined transition pipe is connected with the second bent pipe through the third U-shaped pipe 42, and the inclined transition pipe is used for effectively attenuating vibration and noise generated in the transmission process of a transmission medium through the design of an arc-shaped structure and the transmission process of the lengthened transmission distance of the large-radian pipe fitting.
In another example, as shown in fig. 1, the condenser connecting pipe is provided with a fourth U-shaped pipe 30 and a fifth U-shaped pipe 31 at one end matched with the four-way valve and the condenser respectively;
and the fourth U-shaped pipe and the fifth U-shaped pipe are connected through a second inclined transition pipe 32.
The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the four-way assembly of the present invention applied to a household air conditioner will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (6)
1. A muffling four-way valve assembly applied to a household air conditioner, comprising:
a four-way valve;
a pipe assembly coupled to the four-way valve, and configured to include an exhaust pipe connected to an upper pipe joint of the four-way valve, and a condenser connection pipe, an air suction pipe, and a stop valve pipe respectively connected to three pipe joints of a lower portion of the four-way valve;
the exhaust pipe is provided with a first U-shaped pipe at one end matched with the pipeline joint, an inverted V-shaped first bent pipe is arranged at one end matched with the exhaust port of the compressor, the first U-shaped pipe is connected with the first bent pipe through a first arc-shaped transition pipe, a second U-shaped pipe and a second arc-shaped transition pipe which are matched with each other, and the second arc-shaped transition pipe is connected with the second U-shaped pipe through a first silencing assembly;
the stop valve pipe is configured into an inverted L-shaped structure, and a second silencing assembly is arranged on the stop valve pipe;
the first silencing assembly is configured to comprise a first reducing silencing barrel with the diameter larger than that of the exhaust pipe, first reducing contraction parts are respectively arranged at two ends of the first reducing silencing barrel, which are matched with the exhaust pipe, at least one contraction part is arranged in the axial direction of the first reducing silencing barrel, and a corrugated silencing groove is arranged on the inner side wall of the first reducing silencing barrel;
the second silencing assembly comprises a second variable-diameter silencing barrel with the diameter larger than that of the stop valve pipe, and second variable-diameter contraction parts are respectively arranged at two ends of the second variable-diameter silencing barrel, which are matched with the stop valve pipe;
each first reducing contraction part and each second reducing contraction part are connected with the exhaust pipe and the stop valve pipe through threads.
2. The four-way valve assembly for silencing applied to household air conditioners as claimed in claim 1, wherein the second reducing silencing barrel is provided with a limiting groove at one end matched with each second reducing contraction part, and one side of the top of the limiting groove is provided with at least one elastic bend extending into the groove;
the outer side wall of each second reducing contraction part is provided with a first annular boss matched with each elastic bending on the end part matched with the second reducing silencing barrel, and the annular boss is provided with at least one notch matched with each elastic bending.
3. The muffling four-way valve assembly applied to the household air conditioner of claim 2, wherein at least one hourglass-shaped muffling piece is arranged in the second variable diameter muffling barrel;
an annular boss for supporting the installation of the sound-absorbing part is arranged on the inner side wall of one end of the second variable-diameter sound-absorbing cylinder;
and the other end of the second variable diameter silencing barrel limits the mounting position of the silencing piece through a sealing piece with a wedge-shaped structure.
4. The muffling four-way valve assembly applied to the household air conditioner as set forth in claim 3, wherein the sealing member is provided with a silicone sealing layer on a side wall thereof to be fitted with the muffling cartridge;
and the end surface of the adjacent second reducing silencing barrel and the end surface of the second annular boss matched with the second reducing silencing piece are respectively provided with a first silica gel damping layer;
and a matched second silica gel shock absorption layer is arranged on the inner side wall of the limiting groove.
5. The muffling four-way valve assembly for a home air conditioner according to claim 1, wherein the suction pipe is provided at an end thereof to which the four-way valve is coupled with a first inclined transition pipe extending downward;
one end of the air suction pipe, which is matched with an air suction port of the compressor, is provided with a second bent pipe in an inverted V shape;
and the first inclined transition pipe and the second bent pipe are connected through a third U-shaped pipe.
6. The muffling four-way valve assembly applied to the household air conditioner of claim 5, wherein the condenser connecting pipe is provided with a fourth U-shaped pipe and a fifth U-shaped pipe at one end thereof which is matched with the four-way valve and the condenser, respectively;
and the fourth U-shaped pipe and the fifth U-shaped pipe are connected through a second inclined transition pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352172.6U CN211177493U (en) | 2019-12-20 | 2019-12-20 | Be applied to domestic air conditioner's amortization four way valve subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352172.6U CN211177493U (en) | 2019-12-20 | 2019-12-20 | Be applied to domestic air conditioner's amortization four way valve subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177493U true CN211177493U (en) | 2020-08-04 |
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ID=71804793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922352172.6U Expired - Fee Related CN211177493U (en) | 2019-12-20 | 2019-12-20 | Be applied to domestic air conditioner's amortization four way valve subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211177493U (en) |
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2019
- 2019-12-20 CN CN201922352172.6U patent/CN211177493U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220726 Address after: 621000 south section of Chuangzhi Road, high tech Industrial Park, Youxian District, Mianyang City, Sichuan Province Patentee after: Sichuan Hongxin Refrigeration Technology Co.,Ltd. Address before: 621000 Mianyang hi tech Zone Road South Industrial District, Sichuan Patentee before: Sichuan Changxin refrigeration components Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |