CN202946817U - Split type air conditioner quick joint - Google Patents
Split type air conditioner quick joint Download PDFInfo
- Publication number
- CN202946817U CN202946817U CN 201220429780 CN201220429780U CN202946817U CN 202946817 U CN202946817 U CN 202946817U CN 201220429780 CN201220429780 CN 201220429780 CN 201220429780 U CN201220429780 U CN 201220429780U CN 202946817 U CN202946817 U CN 202946817U
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- joint
- air conditioner
- fittings body
- split type
- type air
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- Expired - Fee Related
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Abstract
A split type air conditioner quick joint is applied to connection of refrigerating medium pipelines between an indoor unit and an outdoor unit of a split type air conditioner, and comprises a male joint and a female joint. The female joint comprises a first joint body, one end of the first joint body is connected with an air conditioner outdoor unit adapter tube transition joint, a circular cylinder hole is formed in the other end portion of the first joint body, a movable sleeve and a first spring are mounted in the female joint, and a center ejector rod is arranged in the movable sleeve and provided with a valve core. The male joint comprises a second joint body, one end of the second joint body is connected with an air conditioner indoor unit adapter tube transition joint, an inner circular conical surface is manufactured in the other end portion of the second joint body, and a plug and a second spring are mounted in the male joint. The movable sleeve and the center ejector rod in the female joint are contained in the end face of the first joint body. The circular cylinder hole in the first joint body is movably matched with the external diameter of the movable sleeve and an external cylindrical surface at the front end of the second joint body on the male joint body. After combination in a clamping mode, the plug of the male joint and the valve core of the female joint are contacted and opened, and then are communicated in a breakover mode. The quick joint is simple in overall structure, good in sealing performance, and reliable and convenient to mount.
Description
Affiliated technical field
The utility model relates to the pipe fittings of split-type air conditioner and mobile air conditioner, especially relates to the jointing of refrigerant pipeline between the indoor set of split-type air conditioner and mobile air conditioner and outdoor unit.
Background technique
Split-type air conditioner is comprised of indoor set and outdoor unit, connect system's joint of refrigerant between two machines, prior art is that stop valve is as joint, there is following shortcoming in it: the one, and need the professional workforce to install, time-consuming, particularly in countries such as America and Europes, the labor wage gold is expensive, and mounting cost is higher than the air conditioner machine cost often; The 2nd, can cause a small amount of refrigrant leakage in the attended operation process; The 3rd, there is sometimes air to enter refrigeration system when installing, when making refrigeration system work, pressure raises, the refrigeration performance variation.
Notice of authorization CN2733234Y utility model patent discloses a kind of Split type air conditioner fast joint, the rapid pipe joint of this structure comprises a tool joint pin and a female joint, valve assembly is installed in the male and female joint separately, the male and female joint is connected by bindiny mechanism, female joint comprises a fittings body first, and fittings body first one end connects air-conditioning to be taken over, and movable sheath and spring are installed in the fittings body first, central ejector rod is housed in movable sheath, and central ejector rod one end is connected with spool; Tool joint pin comprises a fittings body second, and fittings body second one end connects air-conditioning to be taken over, and top plug and spring are installed in fittings body second; During clamping, in female joint, the movable sheath end leans the step place of tool joint pin, and the top of tool joint pin plug contacts with the spool of female joint and backs down and communicate.
As above there is following defective in rapid pipe joint: the first, and the head that tool joint pin is stopped up is installed plastic sealing ring, and the inner hole wall of fittings body second is the conical surface, and the conical surface and plastic sealing ring are line contact sealing, and plastic hoop hardness is high, and sealing effect is relatively poor; The second, seal ring is fastened to the top beyond the Great Wall by copper nut, and it is more difficult to install; The 3rd, central ejector rod is longer, and relies on link and fittings body first to fix, complex structure, and processing, installation are difficult for.
Summary of the invention
The utility model is developed in view of overcoming the above problems, and its purpose is to provide a kind of overall structure simple, and good seal performance is installed reliably, a kind of Split type air conditioner fast joint easily.
For achieving the above object, rapid pipe joint of the present utility model, formed by a tool joint pin and a female joint, female joint comprises a fittings body first, the one end connects with air conditioner outdoor machine adapter transition and is connected, and is shaped with a cylindrical hole in the other end, in-built movable sheath and spring first, central ejector rod is arranged in movable sheath, and central ejector rod is provided with spool; Tool joint pin comprises a fittings body second, the one end connects with indoor apparatus of air conditioner adapter transition and is connected, be shaped with internal conical surface in the other end, in-built obstruction and spring second, after engaging, the obstruction of tool joint pin contacts with the spool of female joint and opens and conducting, it is characterized in that: movable sheath and central ejector rod in female joint are contained within the end face of fittings body first, and the fittings body second front end external cylindrical surface in the cylindrical hole in the fittings body first and movable sheath external diameter, tool joint pin activity mutually coordinates.
Preferably, the fittings body second front end external cylindrical surface end in described tool joint pin is provided with valve line, and in the fittings body first end in female joint, cylindrical hole has a chamfering, after the engaging of male and female joint, screws under the power effect at nut, and valve line and chamfering form secondary and firmly seal.
Preferably, described tool joint pin middle joint body second front end external cylindrical surface is shaped with an annular groove, and an O type circle is housed in groove, cylindrical hole movable cooperation mutually in fittings body second front end external cylindrical surface and fittings body first end.
Preferably, described obstruction head is provided with an annular groove, and the O RunddichtringO is housed in groove, and the O RunddichtringO contacts into sealing pair with joint second front end internal conical surface under the effect of spring second elastic force.
Preferably, described O type circle is that rubber material is made.
Preferably, the spool that central ejector rod in described tool joint pin is provided with has an outer conical surface, be shaped with a groove in the movable sheath front-end face, ring-like seal ring is housed in groove, ring-like seal ring contacts into sealing pair with outer conical surface on spool under the effect of spring first elastic force.
Preferably, described ring-like seal ring cross section is rectangular-shaped, and it is made by rubber material.
Split type air conditioner fast joint of the present utility model, movable sheath in female joint in disclosed CN2733234Y utility model patent and central ejector rod are contained within the end face of fittings body first, central ejector rod length is shortened, and therefore, central ejector rod processing, assembling are easily; Change metal and rubber seal with valve assembly is installed in the male and female joint separately into by metal and plastic seal, therefore, the self-styled performance of male and female joint is better; After the engaging of male and female joint, screw tight under the power effect at nut, on the valve line on the fittings body second of tool joint pin and the fittings body first in female joint, chamfering formation secondary seals firmly, so its, the tightness after engaging is more reliable.
Description of drawings
Structural representation when Fig. 1 is Split type air conditioner fast joint engaging of the present utility model;
Fig. 2 is the vertical profile TV structure schematic diagram of female joint in the utility model embodiment;
Fig. 3 is the structural representation of the female joint middle joint body first of Fig. 2;
Fig. 4 is the vertical profile TV structure schematic diagram of tool joint pin in the utility model embodiment;
Fig. 5 is the structural representation of the tool joint pin middle joint body second of Fig. 4;
Embodiment
The below describes the utility model Split type air conditioner fast joint embodiment with reference to the accompanying drawings in detail.structural representation when Fig. 1 is Split type air conditioner fast joint engaging of the present utility model is comprised of a tool joint pin and a female joint, Fig. 2 is the vertical profile TV structure schematic diagram of female joint in the utility model embodiment, Fig. 3 is the structural representation of the female joint middle joint body first of Fig. 2, female joint comprises a fittings body first 3, it preferentially selects the brass material manufacturing, as Hpb59-1, fittings body first 3 one ends are provided with outside thread 3c, it connects 1 internal thread with air conditioner outdoor machine adapter transition and is connected, for guaranteeing the threaded connection place sealing, connect 1 threaded connection place in fittings body first 3 and transition and be provided with O type circle 2, fittings body first 3 the other end peripheries are shaped with outside thread 3a, in be shaped with a cylindrical hole 3b, cylindrical hole 3b and movable sheath 5 external diameters, fittings body second 12 front end external cylindrical surface 12a in tool joint pin are movable the cooperation mutually, cylindrical hole 3b and end are shaped with chamfering 3d, movable sheath 5 and spring first 4 are housed in cylindrical hole 3b, the cylindrical hole 3b that is shaped with in movable sheath 5 excircles and fittings body first 3 is movable to be coordinated, during for 5 activity of assurance movable sheath, refrigeration agent does not leak, also be shaped with a groove at movable sheath 5 excircles, be provided with O RunddichtringO 6 in groove, central ejector rod 8 is housed in movable sheath 5, central ejector rod 8 rear ends are fixed on the bottom of the cylindrical hole 3b of fittings body first 3 by packing ring 9, central ejector rod 8 front ends are provided with spool 8a, be shaped with an outer conical surface on spool 8a, be shaped with a groove in movable sheath 5 front-end faces, ring-like seal ring 7 is housed in groove, and ring-like seal ring 7 contacts into sealing pair with the outer conical surface that spool 8a is provided with under the elastic force effect of spring first 4.The preferred cross-sections of ring-like seal ring 7 is rectangular-shaped, and it is made by rubber material, and is different according to the refrigeration system refrigeration agent, can select nitrile butadiene rubber or hydrogenated nitrile-butadiene rubber.At the axial direction of female joint, movable sheath 5 and central ejector rod 8 all are included in the end face of fittings body first 3.
Fig. 4 is the vertical profile TV structure schematic diagram of tool joint pin in the utility model embodiment, and Fig. 5 is the structural representation of the tool joint pin middle joint body second of Fig. 4; Tool joint pin comprises a fittings body second 12, it preferentially selects the brass material manufacturing, as Hpb59-1, fittings body second 12 rear ends are provided with internal thread 12d, connecing 14 outside threads with indoor apparatus of air conditioner adapter transition is connected, for guaranteeing the threaded connection place sealing, connect 14 threaded connection places in fittings body second 12 and transition and be provided with O type circle 13; Fittings body second 12 front ends are provided with external cylindrical surface 12a outward, external cylindrical surface 12a is shaped with an annular groove 12b near the end, one O type circle 19 is housed in groove 12b, external cylindrical surface 12a leaves the end and is provided with a small stair, the step place is shaped with valve line 12e, also be provided with a circular groove 12g in the rear end of small stair, at circular groove 12g, attaching nut 11 be housed; Be shaped with internal conical surface 12c in fittings body second 12 front ends, fittings body second 12 centers also are shaped with the cylindrical hole 12f that connects with internal conical surface 12c, be contained in cylindrical hole 12f in obstruction 17 and spring second 16, stop up 17 by fixing under pad 15, pad 18 and the 16 elastic force effects of spring second, be shaped with a groove at the front end that stops up 17, O RunddichtringO 20 is housed in groove, when tool joint pin does not engage with female joint, be shaped with internal conical surface 12c in O RunddichtringO 20 and fittings body second 12 front ends and contact into sealing pair under the elastic force effect of spring second 16.
The above O RunddichtringO 2,6,13,19 that is provided with, 20 is made for rubber material, according to refrigeration system refrigeration agent difference, can select nitrile butadiene rubber or hydrogenated nitrile-butadiene rubber.
public, its engaging process of female joint is such, work as public affairs, during the female joint engaging, the front end external cylindrical surface 12a of the fittings body second 12 in tool joint pin inserts in female joint upper connection body first 3 ends cylindrical hole 3b mutually after movable cooperation, and formation sealing pair, and simultaneously the front end top of fittings body second 12 presses movable sheaths 5 in female joint middle joint body 3 to connect 1 end to transition to move, make and the outer conical surface that is shaped with on ring-like seal ring 7 and spool 8a is housed in movable sheath 5 front-end face grooves separates and conducting, along with being meshed, the outside thread 3a on the fittings body first 3 in the internal thread of the nut 11 in tool joint pin and female joint screws, obstruction 17 front ends in tool joint pin contact with the spool 8a in female joint and push up and press to stop up 17 and connect 2 ends to transition and move, be shaped with internal conical surface 12c in O RunddichtringO 20 and fittings body second 12 front ends and separate and conducting until stop up to be equipped with in 17 front end grooves.When the outside thread 3a on the internal thread of the nut 11 in tool joint pin and the fittings body first 3 in female joint screws, fittings body second 12 front end external cylindrical surface ends in tool joint pin are provided with valve line 12e and contact with the chamfering 3d of cylindrical hole in fittings body first 3 ends in female joint, and screw at nut 11 that under the power effect, extruding seals valve line 12e and chamfering 3d formation secondary firmly.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. Split type air conditioner fast joint, formed by a tool joint pin and a female joint, female joint comprises a fittings body first (3), the one end connects (1) with air conditioner outdoor machine adapter transition and is connected, be shaped with a cylindrical hole (3b) in the other end, in-built movable sheath (5) and spring first (4) have central ejector rod (8) in movable sheath (5), central ejector rod is provided with spool (8a); tool joint pin comprises a fittings body second (12), the one end connects (14) with indoor apparatus of air conditioner adapter transition and is connected, be shaped with internal conical surface (12c) in the other end, in-built obstruction (17) and spring second (16), after engaging, the obstruction of tool joint pin (17) contacts with the spool (8a) of female joint and opens and conducting, it is characterized in that: movable sheath (5) and central ejector rod (8) in female joint are contained within the end face of fittings body first (3), cylindrical hole (3b) in fittings body first (3) and movable sheath (5) external diameter, fittings body second (12) front end external cylindrical surface (12a) in tool joint pin is movable the cooperation mutually.
2. Split type air conditioner fast joint according to claim 1, it is characterized in that fittings body second (12) front end external cylindrical surface (12a) end in described tool joint pin is provided with valve line (12e), in fittings body first (3) end in female joint, cylindrical hole (3b) has a chamfering (3d), after the engaging of male and female joint, screw under the power effect at nut (11), valve line (12e) forms secondary with chamfering (3d) and firmly seals.
3. Split type air conditioner fast joint according to claim 1, it is characterized in that described tool joint pin middle joint body second (12) front end external cylindrical surface (12a) is shaped with an annular groove (12b), one O type circle (19) is housed, cylindrical hole (3b) movable cooperation mutually in fittings body second (12) front end external cylindrical surface (12a) and fittings body first (3) end in groove.
4. Split type air conditioner fast joint according to claim 1, it is characterized in that described obstruction (17) head is provided with an annular groove, O RunddichtringO (20) is housed in groove, and O RunddichtringO (20) contacts into sealing pair with joint second (12) front end internal conical surface (12c) under spring second (16) elastic force effect.
5. according to claim 3 or 4 described Split type air conditioner fast joints, is characterized in that described O type circle is that rubber material is made.
6. Split type air conditioner fast joint according to claim 1, it is characterized in that the spool (8a) that the central ejector rod (8) in described tool joint pin is provided with has an outer conical surface, be shaped with a groove in movable sheath (5) front-end face, ring-like seal ring (7) is housed in groove, and ring-like seal ring (7) contacts into sealing pair with outer conical surface on spool (8a) under spring first (4) elastic force effect.
7. Split type air conditioner fast joint according to claim 6 is characterized in that described ring-like seal ring (7) cross section is rectangular-shaped, and it is made by rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429780 CN202946817U (en) | 2012-08-20 | 2012-08-20 | Split type air conditioner quick joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429780 CN202946817U (en) | 2012-08-20 | 2012-08-20 | Split type air conditioner quick joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946817U true CN202946817U (en) | 2013-05-22 |
Family
ID=48422519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220429780 Expired - Fee Related CN202946817U (en) | 2012-08-20 | 2012-08-20 | Split type air conditioner quick joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899613A (en) * | 2019-04-12 | 2019-06-18 | 广东恒基金属制品实业有限公司 | A kind of non-contact open-type quick coupling |
| CN109990154A (en) * | 2019-04-23 | 2019-07-09 | 苏州速易德工业装备系统有限公司 | A kind of quick coupling of novel belt slide-valve |
-
2012
- 2012-08-20 CN CN 201220429780 patent/CN202946817U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899613A (en) * | 2019-04-12 | 2019-06-18 | 广东恒基金属制品实业有限公司 | A kind of non-contact open-type quick coupling |
| CN109899613B (en) * | 2019-04-12 | 2024-02-27 | 广东恒基金属股份有限公司 | Non-contact open type quick connector |
| CN109990154A (en) * | 2019-04-23 | 2019-07-09 | 苏州速易德工业装备系统有限公司 | A kind of quick coupling of novel belt slide-valve |
| CN109990154B (en) * | 2019-04-23 | 2024-05-14 | 苏州速易德工业装备系统有限公司 | Novel quick connector with sliding valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20200820 |