CN203116182U - Connecting structure of online pipeline of indoor unit and outdoor unit of air conditioner - Google Patents
Connecting structure of online pipeline of indoor unit and outdoor unit of air conditioner Download PDFInfo
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- CN203116182U CN203116182U CN 201320140081 CN201320140081U CN203116182U CN 203116182 U CN203116182 U CN 203116182U CN 201320140081 CN201320140081 CN 201320140081 CN 201320140081 U CN201320140081 U CN 201320140081U CN 203116182 U CN203116182 U CN 203116182U
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- pipe
- online
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- coupling
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Abstract
The utility model relates to a connecting structure of an online pipeline of an indoor unit and an outdoor unit of an air conditioner. The connecting structure comprises a pipe coupling and an online pipe which need to be connected. The end portion of the online pipe is a flaring, and a nut is sleeved on the flaring. The connecting structure is characterized in that a crossover coupling is connected between the flaring of the online pipe and the pipe coupling, one end of the crossover coupling is provided with an inner thread which is connected with the pipe coupling, the other end of the crossover coupling is provided with an outer thread which is connected with the nut, and a penetrating through hole is formed inside the crossover coupling. Due to the fact that the size and the standard of pipe couplings are different, the online pipe of one standard is utilized through the crossover coupling so that the indoor unit and the outdoor unit can be installed, the situation that the diameter of the online pipe needs to be changed and on-site welding is conducted on an installation site due to the difference of the pipe couplings of the indoor unit and the outdoor unit can be avoided, and possibility of leakage of an air conditioner system is reduced. Meanwhile, the function that a multi-control and multi-split outdoor unit can be freely matched and combined with indoor units of different volumes is achieved, the number of products is reduced greatly, generality of the products is strengthened, competitiveness of the products is improved, and requirements for the indoor units of various volumes are met.
Description
Technical field
The utility model relates to a kind of air-conditioner, and particularly a kind of syndeton for the online pipeline of air-conditioning indoor and outdoor machine belongs to the air-conditioning technique field.
Background technology
Field of air conditioning development at present is more and more ripe, compete also more and more fierce, raising along with consumer demand, the small-sized household central air-conditioning more and more is subjected to people's favor, can satisfy the requirement that modern high-rise building has only an air-conditioning installing port, and the small-sized household central air-conditioning is for satisfying the requirement of various rooms, and the form of indoor set and the capacity of indoor set more and more require variation.The installation that multitube system one drags fecund product that simple, similar family expenses one-to-one product is installed directly to online pipe enlarging, is tightened the nut of enlarging place and get final product with the pipe joint that is positioned at indoor set or off-premises station, do not need the scene to weld.
But because for satisfying multiple room-volume requirement, the indoor set capacity is also more, it is also different to produce the online pipe caliber that the indoor set of different capabilities needs, if off-premises station indoor sets complete and all matched combined are unified by the online pipe caliber of inside and outside machine, permutation and combination can produce a lot of outer machines like this, be unfavorable for the unification of product, also be unfavorable for market sale, installation, after-sale service etc., can not realize the function that inside and outside machine is freely arranged in pairs or groups, freely connected.Now a lot of producers similar products are owing to exist these problems, and the product uniformity is relatively poor, dull sale.
The utility model content
The utility model main purpose is to address the above problem and is not enough, provides a kind of easy for installation, can realize the syndeton of the online pipeline of air-conditioning indoor and outdoor machine that the online pipe of plurality of specifications is freely arranged in pairs or groups, freely connected.
For achieving the above object, the technical solution of the utility model is:
The syndeton of the online pipeline of a kind of air-conditioning indoor and outdoor machine, comprise pipe joint and online pipe that needs connect, expanding end at described online pipe, at the sheathed nut of enlarging place, between the enlarging of described online pipe and described pipe joint, be connected a crossover sub, one end of described crossover sub has the internal thread that is connected with described pipe joint, and the other end has the external screw thread that is connected with described nut, has a through hole that runs through in described crossover sub.
Further, have smooth inclined-plane in the end of described pipe joint, the inboard of the internal thread of described crossover sub has the smooth sphere with described smooth bevel coupling, and described smooth bevel and smooth sphere are realized sealing in fastening back.
Further, the end of the male thread portion of described crossover sub has the smooth bevel of described enlarging fastening back sealing.
Further, the through hole internal diameter of corresponding described male thread portion and the caliber of described online pipe are complementary on the described crossover sub.
Further, the material of described crossover sub is brass.
Content to sum up, the syndeton of the online pipeline of air-conditioning indoor and outdoor machine described in the utility model, can use a kind of online pipe of specification to install owing to pipe joint sample diversified in specifications by this crossover sub indoor set and off-premises station, can avoid wanting the erecting bed to adopt online pipe reducing to bring on-the-spot welding because inside and outside machine pipe joint is different, reduce the possibility that air-conditioning system is leaked.
In addition, the utility model has solved multitube system one and has dragged that many off-premises stations can be realized with the indoor set of different capabilities freely arranging in pairs or groups, the function of independent assortment, reduce the quantity of product greatly, strengthen the product versatility, improve product competitiveness, increase the selling point, satisfy the multiple interior machine capacity requirement of consumer, online pipe caliber conversion also can be suitable for simultaneously for the one-to-one air-conditioning simultaneously.
Description of drawings
Fig. 1 is the utility model structural representation.
As shown in Figure 1, pipe joint 1, online pipe 2, nut 3, enlarging 4, crossover sub 5, through hole 6, sphere 7, inclined-plane 8, inclined-plane 9, external screw thread 10, internal thread 11, external screw thread 12.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, the syndeton of the online pipeline of air-conditioning indoor and outdoor machine described in the utility model comprises indoor set or the pipe joint 1 of off-premises station and the online pipe 2 of connection indoor and outdoor machine that needs connect, in the present embodiment, mainly is example with the multi-split air conditioner.Multi-split air conditioner comprises an off-premises station and many indoor sets, indoor set according to the different different capabilities of arranging in pairs or groups out of the indoor environment of placing, the size of the pipe joint 1 of the indoor set of different capabilities is different, and then needs the caliber of the online pipe 2 of collocation also to have nothing in common with each other.Corresponding every indoor set arranges one group of stop valve on the off-premises station, when installing an air-conditioner device, online pipe 2 one ends of correspondence is connected with the pipe joint 1 of indoor set, and the other end is connected with pipe joint 1 on the off-premises station stop valve, thereby with the refrigeration pipe connection of indoor and outdoor machine.
Have external screw thread 10 on the indoor set that need to connect or the off-premises station pipe joint 1, connect online pipe 2 before, a sheathed nut 3 earlier on online pipe 2 again at the expanding end 4 of online pipe 2, namely expands into a horn mouth, enlarging back nut 4 can not be deviate from.
In order to be beneficial to the unification of off-premises station product, in the one cover multi-split air conditioner, stop valve pipe joint 1 on the off-premises station all adopts unified specification, online pipe 2 can be equipped with the online pipe 2 of different tube diameters according to different indoor sets, present embodiment then preferred online pipe 2 is all selected unified caliber for use, connect by a crossover sub 5 between the pipe joint 1 of the different size that online pipe 2 be connected with needs, difficulty in the time of can reducing the air-conditioner installation so greatly can also realize freely arranging in pairs or groups, freely connecting of indoor and outdoor machine.
One end of crossover sub 5 has the internal thread 11 that is connected with pipe joint 1, and the other end has the external screw thread 12 that is connected with nut 3, has a through hole that runs through 6 in crossover sub 5, and through hole 6 is interconnected the refrigeration pipe of indoor and outdoor machine.Different according to the caliber of indoor set and off-premises station pipe joint 1, online pipe 2, crossover sub 5 is made different size, with the conversion of caliber between convenient online pipe 2 and the pipe joint 1.
Through hole 6 internal diameters of the male thread portion of crossover sub 5 and the caliber of online pipe 2 are complementary, and guarantee that like this cold-producing medium can pass through crossover sub 5 smoothly, can not increase cold-producing medium simultaneously in flow process because the drag losses that the variation of caliber also brings.
The end of crossover sub 5 has the higher smooth bevel of fineness 9 equally, the external screw thread 12 of crossover sub 5 is fixed by threaded engagement mutually with the nut on the online pipe 2, smooth bevel 9 and enlarging 4 are after fastening, rely on the ductility of crossover sub 5 and online pipe 2 materials itself, with the two fastening combining, and reach the effect of sealing.
Describe the method for attachment of the online pipeline of air-conditioning indoor and outdoor machine below in detail, as shown in Figure 1, specifically comprise the steps:
A, on online pipe 2 nut 3 of sheathed connection usefulness.
B, in the mouth expander enlarging of the end of online pipe 2.
C, select corresponding crossover sub 5 according to the pipe joint 1 of indoor set or off-premises station and the specification of online pipe 2.
D a, end and pipe joint 1 interlock of crossover sub 5 internal threads 11 is fastening, an end of crossover sub 5 external screw threads 12 and nut 3 interlocks on the online pipe 2 are fixed, and realization pipe joint 1 is connected with online pipe 2.
The smooth sphere 7 of the inclined-plane 8 of pipe joint 1 end and crossover sub 5 internal threads 11 inboards closely contacts in fastening back, and the ductility by material itself realizes being tightly connected between the two.The inclined-plane 9 of the end of crossover sub 5 external screw threads 12 parts closely contacts in fastening back with the enlarging 4 of online pipe 2, utilizes the ductility of material itself to realize being tightly connected between the two.
Utilize this crossover sub 5 to use a kind of online pipe 2 of specification to install owing to pipe joint 1 dimensions is different indoor set and off-premises station, can avoid adopting online pipe 2 reducings to bring on-the-spot welding because of the inside and outside machine pipe joint 1 different erecting bed of wanting, reduce the possibility that air-conditioning system is leaked.
As mentioned above, given scheme content can derive the similar techniques scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (5)
1. the syndeton of the online pipeline of air-conditioning indoor and outdoor machine, comprise pipe joint and online pipe that needs connect, expanding end at described online pipe, at the sheathed nut of enlarging place, it is characterized in that: between the enlarging of described online pipe and described pipe joint, be connected a crossover sub, one end of described crossover sub has the internal thread that is connected with described pipe joint, and the other end has the external screw thread that is connected with described nut, has a through hole that runs through in described crossover sub.
2. the syndeton of the online pipeline of air-conditioning indoor and outdoor machine according to claim 1, it is characterized in that: have smooth inclined-plane in the end of described pipe joint, the inboard of the internal thread of described crossover sub has the smooth sphere with described smooth bevel coupling, and described smooth bevel and smooth sphere are realized sealing in fastening back.
3. the syndeton of the online pipeline of air-conditioning indoor and outdoor machine according to claim 1 is characterized in that: the end of the male thread portion of described crossover sub has the smooth bevel of described enlarging fastening back sealing.
4. the syndeton of the online pipeline of air-conditioning indoor and outdoor machine according to claim 1, it is characterized in that: the through hole internal diameter of corresponding described male thread portion and the caliber of described online pipe are complementary on the described crossover sub.
5. the syndeton of the online pipeline of air-conditioning indoor and outdoor machine according to claim 1, it is characterized in that: the material of described crossover sub is brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140081 CN203116182U (en) | 2013-03-26 | 2013-03-26 | Connecting structure of online pipeline of indoor unit and outdoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140081 CN203116182U (en) | 2013-03-26 | 2013-03-26 | Connecting structure of online pipeline of indoor unit and outdoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116182U true CN203116182U (en) | 2013-08-07 |
Family
ID=48896518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140081 Expired - Lifetime CN203116182U (en) | 2013-03-26 | 2013-03-26 | Connecting structure of online pipeline of indoor unit and outdoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075387A (en) * | 2013-03-26 | 2014-10-01 | 海信（山东）空调有限公司 | Connecting structure of linking pipes of air conditioning indoor and outdoor units and connecting method thereof |
| CN111837913A (en) * | 2020-08-07 | 2020-10-30 | 中国五冶集团有限公司 | Intelligent monitoring irrigation device and irrigation method for arbor and shrub root fixing water |
-
2013
- 2013-03-26 CN CN 201320140081 patent/CN203116182U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075387A (en) * | 2013-03-26 | 2014-10-01 | 海信（山东）空调有限公司 | Connecting structure of linking pipes of air conditioning indoor and outdoor units and connecting method thereof |
| CN111837913A (en) * | 2020-08-07 | 2020-10-30 | 中国五冶集团有限公司 | Intelligent monitoring irrigation device and irrigation method for arbor and shrub root fixing water |
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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: 20130807 |
|
| CX01 | Expiry of patent term |