CN202733228U - Pipe joint - Google Patents
Pipe joint Download PDFInfo
- Publication number
- CN202733228U CN202733228U CN201220371428.3U CN201220371428U CN202733228U CN 202733228 U CN202733228 U CN 202733228U CN 201220371428 U CN201220371428 U CN 201220371428U CN 202733228 U CN202733228 U CN 202733228U
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- joint
- thread part
- internal thread
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 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
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a pipe joint which comprises a hollow pipe wall, the pipe wall comprises an external thread portion, a base platform and an internal thread portion. Internal threads are arranged in a pipe wall inner cavity of the internal thread portion, external threads are arranged on the pipe wall periphery of the external thread portion, and the thread diameter of the internal threads and that of the external threads are not equal. According to the pipe joint, butt joint of joints between an indoor unit and an outdoor unit in different specifications is achieved, and the problem that the joints of the indoor unit and the outdoor unit are not matched is resolved. The pipe joint is simple in structure and convenient to install, saves material cost expenses, meanwhile reduces production manufacturing procedures, and saves a large amount of manpower and material resources.
Description
Technical field
The utility model relates to the air conditioner technical field, more particularly, relates to for the pipe joint that connects air conditioner indoor machine and outdoor unit.
Background technique
At present, the normal domestic use air conditioner mainly is comprised of indoor set and outdoor unit, both are independent installations, therefore, on the fuselage of indoor set and outdoor unit, all be provided with to finish the joint that is connected indoor set or outdoor unit, by connecting tube and indoor set and the outdoor unit joint on the fuselage separately, indoor set and outdoor unit can be coupled together, guaranteed the exchange of refrigerant and indoor air, thus the effect that reaches refrigeration or heat.
Generally speaking, the joint specification of indoor set and outdoor unit should be consistent, specifically comprises: the specification of the liquid pipe connection of indoor set is identical with the specification of the liquid pipe connection of outdoor unit; The specification of the steam pipe connect of indoor set is identical with the specification of the steam pipe connect of outdoor unit; Simultaneously, the nut at connecting tube two ends is also consistent with indoor set and outdoor unit joint specification.
But in some cases, can there be not corresponding situation in the joint specification of indoor set and outdoor unit, or there is not corresponding problem in the attaching nut of joint and connecting tube.This situation often occurs, and for example: when doing match test, the designer need consider to change the diameter of indoor set and outdoor unit connecting tube sometimes, to observe the variation of air conditioner efficiency; The indoor set of user's family or outdoor unit because of long-time use damages after, need to change separately, but the joint of the indoor set that is more renewed or outdoor unit not necessarily mates with old indoor set or the joint of outdoor unit again.The joint of indoor set and outdoor unit does not mate to designer and user and has brought inconvenience.In the case, we need to increase the connection task that a contact switching device is finished indoor set and outdoor unit and connecting tube.
But general contact switching device needs nut, joint, two sections copper pipes of different size in the process of producing and making, and also needs to weld copper pipe, welding copper pipe and copper sleeve, beats the operation such as copper pipe horn mouth.Complex manufacturing process, time-consuming finds the raw material of appropriate size surely immediately but also differ.
The model utility content
The technical problems to be solved in the utility model is: a kind of simple and convenient, easy to operate, convertible pipe joint of size is provided, connects with the joint of realizing refrigerant pipe different size specification between indoor set and the outdoor unit.
The technological scheme that the utility model adopts is: a kind of pipe joint, the tube wall that comprises hollow, described tube wall comprises external thread part, base station and the internal thread part that connects successively, tube wall inner chamber at described internal thread part is provided with internal thread, tube wall periphery at described external thread part is provided with outside thread, and described internal thread and the externally threaded diameter of thread are unequal.
The opening end of described external thread part is provided with ramp.
The profile of described base station is hexagonal.
The inner chamber of described base station is provided with the concave station of ring-type.
The concave station of described ring-type is provided with the seal washer of ring-type.
Described seal washer is made by rubber.
The inner end of the inner chamber of described internal thread part is provided with the buffer cavity of scrobicular ring shape, and described buffer cavity is close to described concave station.
The outer surface of tube wall of described external thread part is provided with empty avoiding ring platform, and described empty avoiding ring platform is near described base station.
The beneficial effects of the utility model are:
1, pipe joint of the present utility model has the size conversion ability, can be according to the joint specification of indoor set and outdoor unit and varying sized, realized that the indoor set of different size docks with joint between the outdoor unit, has solved the unmatched problem of joint of indoor set and outdoor unit.
2, the utility model is simple in structure, and is easy for installation, saved the cost of material, reduced again the operation of manufacturing simultaneously, saved a large amount of manpower and materials.
3, the female ends of the utility model pipe joint is provided with circular rubber gasket, has both improved the effect of sealing, prevents the leakage of freon, again for installation of the present utility model provides convenience, has reduced the operation that contact switching device is installed.
Description of drawings
Fig. 1 pipe joint structure schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, pipe joint of the present utility model is roughly the columnar component of hollow, comprises tube wall, and the inner chamber of tube wall forms pore.Described tube wall is respectively external thread part 1 from left to right, base station 2, internal thread part 3, described external thread part 1, base station 2, internal thread part 3 is overall structures, wherein, the opening end of external thread part 1 is provided with ramp, and the two ends of base station 2 are connected to form one with external thread part 1 and internal thread part 3 respectively, its profile is hexagonal, be similar to a hexagon nut, the tube wall inner chamber of described internal thread part 3 is provided with internal thread 31, tube wall periphery at described external thread part 1 is provided with outside thread 11, the diameter of thread of outside thread 11 is D1, and the diameter of thread of internal thread 31 is D2, D1 greater than or less than D2.
In use, liquid pipe (or steam pipe) joint screw thread of liquid pipe (or steam pipe) joint of indoor set or outdoor unit is connected on the internal thread 31 of joint internal thread of the present utility model section 3 inner chambers.Be connected on the internal thread 31 of joint internal thread section 3 inner chambers by liquid pipe (or steam pipe) joint of indoor set or liquid pipe (or steam pipe) joint of outdoor unit, because the size of liquid pipe (or steam pipe) joint of liquid pipe (or steam pipe) joint of indoor set or outdoor unit and joint internal thread of the present utility model section 3 inner chambers is complementary, therefore, one side can guarantee that fluid or gas that liquid pipe (or steam pipe) joint of indoor set or outdoor unit is interior are stable, transfer to joint internal thread of the present utility model section 3 inner chambers from liquid pipe (or steam pipe) joint of indoor set or outdoor unit swimmingly, avoided fluid in the joint of indoor set or outdoor unit or gas that the problem of leaking occurs, on the other hand, because the internal thread part of pipe joint of the present utility model engages with liquid pipe (or steam pipe) joint of indoor set or outdoor unit, the diameter of thread of the external thread part of the utility model pipe joint is different from the diameter of thread of internal thread part, the diameter of thread of the external thread part of pipe joint then is complementary with the size of the connecting tube nut of indoor and outdoor machine, therefore, make indoor, the configuration of the refrigerant pipe of outer machine is convenient, applicability is stronger.
The connecting tube that connects indoor set and outdoor unit is provided with outside thread, and the external thread part 1 of pipe joint of the present utility model and this outside thread coupling are connected and fixed connecting tube and pipe joint.The two ends of connecting tube are to be provided with bell-mouthedly, and the ramp wedge surface of pipe joint external thread part 1 opening end of the present utility model and the horn mouth of connecting tube are suitable, are tightly connected thereby connecting tube and pipe joint are formed.Be provided with the concave station of ring-type at the inner chamber of base station 2, concave station is provided with the seal washer 4 of ring-type, and wherein, seal washer 4 is made by rubber.When the liquid pipe connection of indoor set was tightened on internal thread part 3 inner chambers, the port of the liquid pipe connection of indoor set was pressed on the seal washer 4, thereby the liquid pipe connection of indoor set and pipe joint of the present utility model formation are tightly connected, to prevent the leakage of freon.
Referring to Fig. 1, pipe joint of the present utility model is provided with the buffer cavity 5 of a scrobicular ring shape in the inner end of the inner chamber of internal thread part 3.Be not provided with screw thread on buffer cavity 5 walls, the concave station of the ring-type of buffer cavity 5 next-door neighbour's base stations 2 inner chambers, buffer cavity 5 is convenient to internal thread 31 machine shapings of internal thread part 3 as the tooth line process cavity of joint internal thread 31.
Similarly, at the outer surface of tube wall of the external thread part 1 of pipe joint of the present utility model, be provided with empty avoiding ring platform 6 near an end of base station 2, the setting of empty avoiding ring platform 6, be conducive on the one hand the externally threaded thread form processing of pipe joint external thread part 1, on the other hand, the port of the nut of indoor unit and outdoor unit connecting tube can be resisted against on the hexagonal base station 2 through empty avoiding ring platform 6, can overcome the eccentric problem that is threaded that the thread form machining deviation of screw thread causes, the port of nut is resisted against on the hexagonal base station 2 reposefully.
The base station 2 of pipe joint of the present utility model is set to hexagon, when the liquid pipe (or steam pipe) of pipe joint and indoor and outdoor machine when joint is connected, or when being connected with the nut thread of indoor and outdoor machine connecting tube, hexagonal base station 2 that can spanner grip tube joint, base station 2 is not easy to trackslip, and makes to install to connect more laborsaving facility.
Claims (8)
1. pipe joint, the tube wall that comprises hollow, it is characterized in that: described tube wall comprises external thread part, base station and the internal thread part that connects successively, tube wall inner chamber at described internal thread part is provided with internal thread, tube wall periphery at described external thread part is provided with outside thread, and described internal thread and the externally threaded diameter of thread are unequal.
2. pipe joint according to claim 1, it is characterized in that: the opening end of described external thread part is provided with ramp.
3. pipe joint according to claim 1, it is characterized in that: the profile of described base station is hexagon.
4. pipe joint according to claim 1, it is characterized in that: the inner chamber of described base station is provided with the concave station of ring-type.
5. pipe joint according to claim 4, it is characterized in that: the concave station of described ring-type is provided with the seal washer of ring-type.
6. pipe joint according to claim 5, it is characterized in that: described seal washer is made by rubber.
7. pipe joint according to claim 4, it is characterized in that: the inner end of the inner chamber of described internal thread part is provided with the buffer cavity of scrobicular ring shape, and described buffer cavity is close to described concave station.
8. pipe joint according to claim 1, it is characterized in that: the outer surface of tube wall of described external thread part is provided with empty avoiding ring platform, and described empty avoiding ring platform is near described base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220371428.3U CN202733228U (en) | 2012-07-28 | 2012-07-28 | Pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220371428.3U CN202733228U (en) | 2012-07-28 | 2012-07-28 | Pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733228U true CN202733228U (en) | 2013-02-13 |
Family
ID=47658927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220371428.3U Expired - Fee Related CN202733228U (en) | 2012-07-28 | 2012-07-28 | Pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969221A (en) * | 2017-04-28 | 2017-07-21 | 贵州航天精工制造有限公司 | A kind of sealed conversion pipe joint and its sealing and connection method |
-
2012
- 2012-07-28 CN CN201220371428.3U patent/CN202733228U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969221A (en) * | 2017-04-28 | 2017-07-21 | 贵州航天精工制造有限公司 | A kind of sealed conversion pipe joint and its sealing and connection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20210728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |