CN111288639A - Air conditioner connecting device and air conditioner - Google Patents
Air conditioner connecting device and air conditioner Download PDFInfo
- Publication number
- CN111288639A CN111288639A CN202010241137.1A CN202010241137A CN111288639A CN 111288639 A CN111288639 A CN 111288639A CN 202010241137 A CN202010241137 A CN 202010241137A CN 111288639 A CN111288639 A CN 111288639A
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- CN
- China
- Prior art keywords
- air conditioner
- hook structure
- drag hook
- elastic band
- connecting portion
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- 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.)
- Pending
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- 238000004378 air conditioning Methods 0.000 claims description 5
- 229920005669 high impact polystyrene Polymers 0.000 claims description 4
- 239000004797 high-impact polystyrene Substances 0.000 claims description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an air conditioner connecting device and an air conditioner. The air conditioner connecting device is used for connecting a first component and a second component of an air conditioner, and comprises: a connecting portion (1) for connecting a first member; the drag hook structure (2) is nested and matched with the connecting part (1) to be formed in one step and is used for connecting a second part; and the elastic band (3) is connected with the connecting part (1) and the draw hook structure (2) and is used for generating elastic force so that the draw hook structure (2) fastens the second part. The elastic force that utilizes the elastic webbing to produce makes drag hook structure straining second part, prevents that the drag hook structure from deviating from for the air conditioner is connected more firmly, and the device can one shot forming form, need not to assemble drag hook structure and connecting portion, has promoted assembly efficiency, has guaranteed the assembly effect.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner connecting device and an air conditioner.
Background
The base part of the air conditioner is a very complicated part, and the air conditioner base is split into an upper base and a lower base for mold stripping and assembly, wherein the upper base and the lower base need to be connected. In the correlation technique, coupling assembling includes two independent parts of handle and connecting block, puts into the connecting block with the spring earlier, secondly with the connecting block cover enter on hand, then with the handle fixed on base down to inside inserting the connecting block base down, the connecting block is the relative handle motion under the effect of spring, makes the drag hook on the connecting block get into the base, the locking of base about realizing under spring force. The spring is the flexure, uses for a long time and leads to fatigue failure, winding easily, influences efficiency, has increased the cost to need assemble spring, connecting block, handle, assembly process is more, influences efficiency.
Therefore, how to connect the base more firmly and reduce the cost and improve the assembly efficiency is a concern of researchers at present.
Disclosure of Invention
The invention solves the problem of how to ensure that the air conditioner components are connected more firmly, reduce the cost and improve the assembly efficiency.
To solve the above problems, an aspect of the present invention provides an air conditioner connecting device for connecting a first part and a second part of an air conditioner, the device comprising: a connecting portion 1 for connecting the first member; the drag hook structure 2 is nested and matched with the connecting part 1 to be formed in one step and is used for connecting the second part; and the elastic band 3 is connected with the connecting part 1 and the draw hook structure 2 and is used for generating elastic force so that the draw hook structure 2 fastens the second part.
Therefore, the draw hook structure is fastened to the second part by utilizing the elastic force generated by the elastic belt, the draw hook structure is prevented from being separated, and the air conditioner part is connected more firmly; one shot forming forms air conditioner connecting device, need not assembly drag hook structure and connecting portion when the air conditioner is connected, has promoted assembly efficiency.
Optionally, the thickness of the elastic band 3 is not less than 0.8 mm.
Thereby, the elastic belt is guaranteed to have a longer service life.
Optionally, the elastic band 3 is shaped as a straight plate, a broken line or a wavy line.
Therefore, when the elastic band is a broken line or a wavy line, the total length of the elastic band is increased, so that the draw hook structure has a larger movement stroke, and the draw hook structure can be used for fastening the second part.
Optionally, the length of the elastic band 3 is 40mm ± 30%, and the width of the elastic band 3 is 15mm ± 30%.
Optionally, the connection portion 1 and the hook structure 2 are in clearance fit, and the clearance fit movement clearance is not less than 0.5 mm.
Therefore, the drag hook structure is prevented from being clamped, so that the drag hook structure has better motion flexibility and the connection performance is improved.
Optionally, the height difference between the connecting part 1 and the retractor structure 2 is not more than 8 mm.
Therefore, the air conditioner connecting device is guaranteed to be flat in appearance, and good visual effect is guaranteed to be achieved after air conditioner components are connected.
Optionally, the apparatus further comprises: rib 4 sets up connecting portion 1 and drag hook structure 2's bottom cooperation department is used for connecting portion 1 and drag hook structure 2, works as drag hook structure 2 is relative during the motion of connecting portion 1, rib 4 fracture.
Optionally, the number of the ribs 4 is one or more than one.
From this, the rib makes drag hook structure and connecting portion can be by one shot forming preparation to easy fracture when the air conditioner is connected, make the relative connecting portion motion of drag hook structure.
Optionally, the material of the elastic belt 3 is ABS plastic, HIPS, POM or steel sheet.
The invention further provides an air conditioner, which comprises the air conditioner connecting device, wherein the air conditioner connecting device is used for connecting the upper base and the lower base of the air conditioner.
The air conditioner has the same advantages as the air conditioner connecting device compared with the prior art, and the description is omitted.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner connection device according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a connection block and a hook structure of an air conditioner connection device according to an embodiment of the present invention in a nested manner;
fig. 3 is a schematic structural view of a rib in an air conditioner connection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an air conditioner connection device according to another embodiment of the present invention.
Description of reference numerals:
1-a connecting part; 2, a drag hook structure; 3-an elastic band; 4-ribs; 5-fixing holes; 6-a handle; 21-connecting blocks; 22-pulling hook.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The embodiment provides an air conditioner connecting device. Fig. 1 is a schematic structural diagram of an air conditioner connection device according to an embodiment of the present invention. Referring to fig. 1, the structure shown in fig. 1 will be described in detail with reference to fig. 2-4.
In this embodiment, the air conditioner connecting device is described by taking the first component and the second component as a lower base and an upper base of an air conditioner, respectively, and the left side and the right side of the lower base and the upper base of the air conditioner are connected through the air conditioner connecting device in this embodiment.
As shown in fig. 1, the air conditioner connecting device comprises a connecting portion 1, a hook structure 2 and an elastic band 3, wherein the connecting portion 1 and the hook structure 2 are formed in a nesting and matching mode in one step, the hook structure 2 can move relative to the connecting portion 1, the connecting portion 1 is used for connecting a first component, and the hook structure 2 is used for connecting a second component. The length of the part, which forms the nesting fit with the connecting part 1, in the drag hook structure 2 is larger than the movement stroke of the drag hook structure 2, so that the drag hook structure 2 is ensured not to be separated from the connecting part 1 in the movement process, and the reliability of the connection of air conditioner parts is ensured. The first component is an air conditioner lower base and the second component is an air conditioner upper base.
The one-step molding includes integrally molding or assembling a plurality of components in a mold, for example, in this embodiment, the hook structure 2 and the connecting portion 1 can be assembled after one-step molding. Specifically, for example, the connecting portion 1 and the hook structure 2 are nested together by using a processing method of die forming, and a relatively movable integral structure is formed by one-step forming, for example, connecting shafts at two ends of the hook structure 2 are nested in the connecting portion 1. It will be appreciated that other methods of manufacture may be used to nest the connecting portion 1 and the retractor structure 2 together, and the method of manufacture is not limited in this embodiment. When utilizing two parts of this air conditioner connecting device to connect the air conditioner, need not to assemble connecting portion 1 and drag hook structure 2, saved the process that connecting portion 1 and drag hook structure 2 installed each other, promoted assembly efficiency.
The draw hook structure 2 comprises a connecting block 21 and a draw hook 22, two ends of the connecting block 21 are in nested fit with the connecting part 1, the draw hook 22 is arranged on the connecting block 21, and the draw hook 22 is used for connecting a second part. Nested cooperation between drag hook structure 2 and connecting portion 1 is clearance fit, forms clearance fit between the both ends of connecting block 21 and connecting portion 1 promptly, and the clearance between the two is not less than 0.5mm, prevents that drag hook structure 2 card from dying to guarantee that drag hook structure 2 can move for connecting portion 1, as shown in fig. 2.
In this embodiment, for example, two ends of the connecting block 21 are provided as connecting shafts, a hole matching the connecting shaft is provided in the connecting portion 1, and the connecting shaft is nested and matched with the hole, so that the nested and matched operation of the hook structure 2 and the connecting portion 1 is realized. Further, be provided with the clearance between connecting axle and the hole, can be through pressing the connecting axle at connecting block 21 both ends for drag hook structure 2 is relative to connecting block 1 motion under the effect of external force, and drag hook structure 2 can not be died by the card. The movement stroke of the drag hook structure 2 is less than the length of any connecting shaft, so that the drag hook structure 2 is ensured not to fall off from the connecting part 1.
The movement stroke of the drag hook structure 2 is within a certain range. The above range can be determined according to the specific size of the connection portion of the retractor structure 2 and the second member, and is not particularly limited herein. The movement stroke of the drag hook structure 2 is controlled within a certain range, so that the drag hook structure 2 cannot be fastened to the second part due to too small movement stroke, and the problem that the size of the air conditioner connecting device is increased due to too long movement stroke of the drag hook structure 2 can be avoided.
A space is formed between the connecting part 1 and the draw hook structure 2, the elastic band 3 is arranged in the space, the two ends of the elastic band 3 are respectively connected with the connecting part 1 and the draw hook structure 2, and the elastic band 3 can generate elastic force, so that the draw hook structure 2 fastens the second part. In this embodiment, for example, press the top end face of the drag hook structure 2, drive the elastic band 3 to move to the bottom of the drag hook structure 2, so that the elastic band 3 generates elastic deformation, the elastic force generated by the elastic deformation is the force for making the drag hook structure 2 move to the top, and when the top end face of the drag hook structure 2 is loosened, the elastic force drives the drag hook structure 2 to move to the top, so that the drag hook structure 2 fastens the second component.
The thickness of the elastic band 3 is not less than 0.8mm, so as to avoid the influence of the over-thin elastic band 3 on the service life thereof.
The elastic band 3 is in the shape of a straight plate, a broken line or a wavy line. When the elastic band 3 is a straight-plate-shaped elastic band, the air-conditioning connecting device is formed as shown in fig. 1; when the elastic band 3 is a zigzag-shaped or wavy-shaped elastic band, the air conditioner connecting device is formed as shown in fig. 4. When the elastic band 3 is a broken line or a wavy line, the total length of the elastic band 3 is increased on the premise that the strength of the elastic band 3 is basically unchanged, the maximum movement stroke of the drag hook structure 2 is increased, and the drag hook structure 2 can be fastened to the second part.
The length of the elastic band 3 is 40mm + -30%, and the width of the elastic band 3 is 15mm + -30%. The length and the width of the elastic belt 3 are set, so that the elastic force generated by the elastic belt 3 can meet the requirement, the service life of the elastic belt 3 is prolonged, and the operation of a user is facilitated.
The elastic band 3 is made of Acrylonitrile Butadiene Styrene (ABS) plastic, High Impact Polystyrene (HIPS), Polyformaldehyde (POM) or steel sheet. The above materials can improve the maximum stress that the elastic band 3 can bear, have higher reliability, and also have higher safety.
The height difference between the connecting part 1 formed by one-time forming and the drag hook structure 2 is not more than 8 mm. Further, connecting portion 1, drag hook structure 2 and elastic webbing 3 one shot forming form, and the difference in height between connecting portion 1, drag hook structure 2 and the elastic webbing 3 is not more than 8 mm. The height difference of the connecting part 1, the draw hook structure 2 and the elastic band 3 in the direction perpendicular to the mounting surface of the connecting part is not too large, so that the air conditioner connecting device is guaranteed to be flat in appearance, and after the air conditioner connecting device is connected with a first part and a second part of an air conditioner, the whole air conditioner has a good visual effect.
In this embodiment, this air conditioner connecting device still includes rib 4, and rib 4 is used for connecting drag hook structure 2 and connecting portion 1 for connecting portion 1 cooperates one shot forming with the nest of drag hook structure 2, and when the relative connecting portion 1 motion of drag hook structure 2, rib 4 fracture. The number of the ribs 4 is one or more, and when the number of the ribs 4 is one, the ribs 4 are arranged at the connecting part 1 and the bottom of the drag hook structure 2 so as to connect the drag hook structure 2 and the connecting part 1 from the bottom; when the number of the ribs 4 is more than one, the more than one ribs 4 are circumferentially distributed at the connecting part 1 and the bottom connecting part of the drag hook structure 2, as shown in fig. 3.
Referring to fig. 3, the rib 4 is composed of a thin rib with a very small size, and when the connecting portion 1 and the hook structure 2 are processed, the hook structure 2 and the connecting portion 1 are connected from the bottom by the rib 4, so that the connecting portion 1 and the hook structure 2 are formed as an integral structure which is mutually nested, and injection molding is facilitated. In addition, rib 4 is breakable, and when rib 4 received external force, rib 4 just broke under the external force effect to it is connected connecting portion 1 and drag hook structure 2 to detach, makes drag hook structure 2 can be 1 movements of relative connecting portion.
In this embodiment, the air conditioner connecting device further includes a fixing hole 5, and the fixing hole 5 is disposed in the connecting portion 1 and is used for fixing the connecting portion 1 on the first component, so as to ensure a firm connection between the connecting portion 1 and the first component.
In this embodiment, connecting portion 1 is last to set up handle 6 still, and connecting portion 1, drag hook structure 2, elastic webbing 3 and handle 6 one shot forming form. The handle 6 is provided to facilitate the connection of the first and second components of the air conditioner by an operator using the air conditioner connection device.
The process of the air conditioner connecting device for connecting the base is described by taking the first component as the lower base of the air conditioner and the second component as the upper base of the air conditioner. In this embodiment, connecting portion 1, drag hook structure 2, elastic webbing 3, rib 4, fixed orifices 5, handle 6 are one shot forming's structure, and drag hook structure 2 can move 1 relative to connecting portion. Firstly, the air conditioner connecting device is fixed on a lower base of an air conditioner through a fixing hole 5 on a connecting part 1; then, the end face of the top of the drag hook structure 2 is pressed, so that the drag hook structure 2 is contacted with and enters the upper base of the air conditioner, the elastic belt 3 is deformed and generates elastic force, the elastic force can enable the drag hook structure 2 to move towards the direction of fastening the upper base of the air conditioner, and the ribs 4 are broken in the movement process of the drag hook structure 2; and finally, releasing the top end face of the drag hook structure 2, and moving the drag hook structure 2 towards the direction of fastening the upper base of the air conditioner under the action of the elastic force and fastening the upper base of the air conditioner. When needing to remove the air conditioner on the base and the air conditioner base down between be connected, press the 2 top end faces of drag hook structure for drag hook structure 2 is to the direction motion that breaks away from the air conditioner on the base, thereby removes being connected between drag hook structure 2 and the air conditioner on the base, then through fixed orifices 5 with this air conditioner connecting device from the air conditioner base down on pull down can.
In this embodiment, connecting portion and the drag hook structure that will connect two parts set up to nested cooperation one shot forming's structure to connect drag hook structure and connecting portion through the elastic webbing, the elastic force that utilizes the elastic webbing to produce makes drag hook structure straining second part, prevents that the drag hook structure from deviating from, makes air conditioner part connect more firmly, and need not to assemble drag hook structure and connecting portion when air conditioner part connects, has promoted assembly efficiency, has reduced the cost that air conditioner part connects.
The embodiment also provides an air conditioner, which comprises the air conditioner connecting device in the embodiment shown in fig. 1-4, wherein the air conditioner is provided with an upper base and a lower base which are detachably connected, and the air conditioner connecting device is used for connecting the upper base and the lower base of the air conditioner. The air conditioner and the air conditioner connecting device have the same advantages as the prior art, and details of the embodiment are not repeated herein, referring to the foregoing embodiment.
In summary, in the air conditioner connecting device provided in the embodiment of the present invention, the connecting portion and the hook structure for connecting the two components are configured to be a nested and matched one-step forming structure, the hook structure and the connecting portion are connected by the elastic band, the hook structure is fastened to the second component by using the elastic force generated by the elastic band, and the hook structure is prevented from being disengaged, so that the air conditioner components are connected more firmly, and the hook structure and the connecting portion do not need to be assembled when the air conditioner components are connected, thereby improving the assembly efficiency, reducing the cost for connecting the air conditioner components, and setting the elastic band to be a broken line or a wavy line shape, which can improve the maximum movement stroke of the hook structure, ensure that the hook structure can fasten the second component.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An air conditioner connecting device for connecting a first member and a second member of an air conditioner, the device comprising:
a connecting portion (1) for connecting the first member;
the drag hook structure (2) is nested and matched with the connecting part (1) to be formed in one step and is used for connecting the second part;
and the elastic band (3) is connected with the connecting part (1) and the draw hook structure (2) and is used for generating elastic force so that the draw hook structure (2) fastens the second part.
2. Air conditioning connection, according to claim 1, characterized in that the thickness of the elastic band (3) is not less than 0.8 mm.
3. Air conditioning connection according to claim 1, characterized in that the shape of the elastic band (3) is a straight plate, a broken line or a wavy line.
4. Air conditioning connection according to claim 1, characterized in that the length of the elastic band (3) is 40mm ± 30% and the width of the elastic band (3) is 15mm ± 30%.
5. Air conditioner connecting device according to claim 1, characterized in that the fit between the connecting part (1) and the hook structure (2) is a clearance fit, the clearance fit having a clearance gap not less than 0.5 mm.
6. Air conditioner connection device according to claim 1, characterized in that the height difference between the connection part (1) and the hook structure (2) is not more than 8 mm.
7. An air conditioning connection arrangement as claimed in claim 1, further comprising: rib (4), set up and be in the bottom cooperation department of connecting portion (1) and drag hook structure (2) is used for connecting portion (1) and drag hook structure (2), work as drag hook structure (2) are relative during connecting portion (1) motion, rib (4) fracture.
8. Air conditioner connection device according to claim 7, characterized in that the number of said ribs (4) is one or more than one.
9. Air conditioner connection according to claim 1, characterized in that the elastic band (3) is made of ABS plastic, HIPS, POM or steel sheet.
10. An air conditioner characterized by comprising the air conditioner connecting device as claimed in any one of claims 1 to 9 for connecting an upper base and a lower base of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241137.1A CN111288639A (en) | 2020-03-31 | 2020-03-31 | Air conditioner connecting device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241137.1A CN111288639A (en) | 2020-03-31 | 2020-03-31 | Air conditioner connecting device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111288639A true CN111288639A (en) | 2020-06-16 |
Family
ID=71027338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010241137.1A Pending CN111288639A (en) | 2020-03-31 | 2020-03-31 | Air conditioner connecting device and air conditioner |
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| Country | Link |
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| CN (1) | CN111288639A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202121A (en) * | 2002-01-08 | 2003-07-18 | Mitsubishi Electric Corp | Indoor unit for air conditioner, and mounting structure and mounting plate of equipment |
| CN205261895U (en) * | 2015-12-22 | 2016-05-25 | 宁波奥克斯空调有限公司 | Center and base cooperation structure |
| CN106322708A (en) * | 2016-08-23 | 2017-01-11 | 海信（广东）空调有限公司 | Air conditioner air outlet structure, installation method and air conditioner |
| CN108180559A (en) * | 2018-03-01 | 2018-06-19 | 奥克斯空调股份有限公司 | Center base connector and air conditioner |
| CN208567086U (en) * | 2018-07-16 | 2019-03-01 | 广东美的暖通设备有限公司 | Fixed device and air conditioner |
| CN211823099U (en) * | 2020-03-31 | 2020-10-30 | 宁波奥克斯电气股份有限公司 | Air conditioner connecting device and air conditioner |
-
2020
- 2020-03-31 CN CN202010241137.1A patent/CN111288639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202121A (en) * | 2002-01-08 | 2003-07-18 | Mitsubishi Electric Corp | Indoor unit for air conditioner, and mounting structure and mounting plate of equipment |
| CN205261895U (en) * | 2015-12-22 | 2016-05-25 | 宁波奥克斯空调有限公司 | Center and base cooperation structure |
| CN106322708A (en) * | 2016-08-23 | 2017-01-11 | 海信（广东）空调有限公司 | Air conditioner air outlet structure, installation method and air conditioner |
| CN108180559A (en) * | 2018-03-01 | 2018-06-19 | 奥克斯空调股份有限公司 | Center base connector and air conditioner |
| CN208567086U (en) * | 2018-07-16 | 2019-03-01 | 广东美的暖通设备有限公司 | Fixed device and air conditioner |
| CN211823099U (en) * | 2020-03-31 | 2020-10-30 | 宁波奥克斯电气股份有限公司 | Air conditioner connecting device and air conditioner |
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