CN216555839U - R744 air conditioner heat pump pipeline connects seal structure - Google Patents
R744 air conditioner heat pump pipeline connects seal structure Download PDFInfo
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- CN216555839U CN216555839U CN202122542402.2U CN202122542402U CN216555839U CN 216555839 U CN216555839 U CN 216555839U CN 202122542402 U CN202122542402 U CN 202122542402U CN 216555839 U CN216555839 U CN 216555839U
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Abstract
The utility model relates to the technical field of R744 heat pumps, in particular to a sealing structure of a pipeline joint of an R744 air-conditioning heat pump, which comprises an air-conditioning hard pipe and an air-conditioning hose; the opposite ends of the air-conditioning hard pipe and the air-conditioning hose are connected through a pipe joint assembly, and the pipe joint assembly comprises a connecting pipe component connected with the air-conditioning hose and a butt joint pipe component connected with the air-conditioning hard pipe; the front end of the connecting pipe component is provided with a connector with a spherical structure, the end face of the front end of the butt joint pipe component is provided with a spherical butt joint hole matched with the connector and used for the connector to extend into, the front side of the connector is sleeved with a circle of sealing gasket which is integrally in a spherical structure, and the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located; the utility model has the advantages of simple structure, capability of improving effective sealing contact area to improve sealing reliability and more reasonable sealing structure.
Description
Technical Field
The utility model relates to the technical field of R744 heat pumps, in particular to a sealing structure of a pipeline joint of an R744 air-conditioning heat pump.
Background
The R744 heat pump, popular in Japan at present, is a new generation heat pump using carbon dioxide as a working medium. With the development of Mongolian protocol and Kyoto protocol, HCFC replacement technology is more and more emphasized, so how to select proper refrigerant and use energy-saving equipment becomes an irresistible issue at present. Refrigerant plays a role as working fluid in refrigeration air-conditioning and heat pump systems, and the ideal refrigerant should have stable chemical and inert properties, and have good heat transfer characteristics and fluid flow properties. In addition, it must be compatible with other substances, miscible with lubricating oil, non-toxic, low cost and environmental friendly.
When the R744 heat pump used in the automobile air conditioning system works, the working temperature span is large (40 ℃ to 170 ℃), the working pressure is large (17 mpa), and the R744 heat pump is in a high-temperature and high-pressure working environment. Under the working condition of high temperature and high pressure, the problem that the connection and the sealing of the butt joint of the air conditioner pipe joint are reliable can be solved. Chinese patent (CN 213629363U) discloses a sealing structure for R744 air-conditioning heat pump system pipeline interface, in which the sealing is realized by local crushing deformation of the metal gasket, and in the above patent structure, the effective sealing contact area is small due to the local crushing deformation of the metal gasket, and the sealing effect is not reliable enough. And only a single sealing structure is provided, so that sealing reliability is lowered.
Therefore, it is a technical problem to be solved by those skilled in the art how to provide a R744 air-conditioning heat pump pipeline joint sealing structure which has a simple structure, can increase effective sealing contact area to improve sealing reliability, and has a more reasonable sealing structure.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is how to provide a R744 air conditioner heat pump pipeline joint sealing structure which has a simple structure, can improve effective sealing contact area to improve sealing reliability, and has a more reasonable sealing structure.
In order to achieve the aim, the utility model provides a sealing structure of a R744 air-conditioning heat pump pipeline joint, which comprises an air-conditioning hard pipe and an air-conditioning hose; the opposite ends of the air-conditioning hard pipe and the air-conditioning hose are connected through a pipe joint assembly, and the pipe joint assembly comprises a connecting pipe component connected with the air-conditioning hose and a butt joint pipe component connected with the air-conditioning hard pipe; the connector is characterized in that the front end of the connecting pipe component is provided with a connector with a spherical structure, the end surface of the front end of the butt joint pipe component is provided with a spherical butt joint hole matched with the connector and used for the connector to extend into, the front side of the connector is sleeved with a circle of sealing gasket which is integrally in a spherical structure, and the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located; the connecting structure is provided with a connecting end and a driving end, is respectively connected with the butt joint pipe member and the connecting pipe member, and can drive the connecting pipe member to move towards the butt joint pipe member so that the sealing gasket is integrally extended and deformed, and the outer peripheral surface of the connecting head and the inner peripheral surface of the butt joint hole are respectively attached and sealed on the two surfaces of the sealing gasket.
Thus, in the device structure, a circle of sealing gasket which is integrally in a spherical structure is sleeved on the front side of the connector, the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located, when the connecting structure arranged between the connecting pipe component and the butt joint pipe component is connected with the connecting pipe component, the connecting pipe component is driven to move towards the butt joint pipe component, and after the sealing gasket is integrally extended and deformed, the outer peripheral surface of the connector and the inner peripheral surface of the butt joint hole are respectively attached to and sealed on the two surfaces of the sealing gasket. In this structure, for current structure, current structure is through making seal gasket extend in order to reach sealed effect with seal gasket conquassation local deformation, and make seal gasket two surfaces paste with connector outer peripheral face and butt joint hole inner peripheral face respectively, and the effectual sealed area of formation is bigger, thereby makes sealed effect better, and is sealed more reliable.
Preferably, a circle of annular sealing bulge is arranged on the connecting joint and right faces the front end face of the butt joint pipe component, a sealing washer is arranged between the sealing bulge and the front end face of the butt joint pipe component, and after the connecting pipe component moves towards the butt joint pipe component, two ends of the sealing washer can be respectively attached to and abutted against the inner side face of the sealing bulge and the front end face of the butt joint pipe component.
Like this, through just being equipped with round annular sealed arch just to the terminal surface before the butt joint pipe component on the connector, set up seal ring between sealed arch and the terminal surface before the butt joint pipe component to make seal ring both ends can paste the butt joint separately and support on sealed protruding medial surface and the terminal surface before the butt joint pipe component, the seal structure is said to the second that forms like this, seal ring and seal ring form seal structure separately, can improve sealed reliability, improve sealed effect.
Preferably, the sealing washer is a high-temperature resistant sealing washer made of polytetrafluoroethylene.
Therefore, the sealing washer is made of polytetrafluoroethylene to form the high-temperature-resistant sealing washer, the sealing effect of the sealing washer is better, and the sealing washer can better bear a corresponding high-temperature working environment.
Preferably, a circle of annular mounting groove is formed in the edge position of the front end face of the butt joint pipe member, and the sealing washer is mounted in the mounting groove.
Therefore, the annular mounting groove is formed in the edge position of the front end face of the butt joint pipe member, and the sealing washer can be mounted and arranged more conveniently.
Preferably, the outer end of the connector is provided with a horizontal connecting pipe section, and the bottom of the butt joint hole in the butt joint pipe component is provided with an insertion hole section for the connection pipe section to be inserted into.
Like this, can make things convenient for more to be connected that connector and connecting hole correspond, structural design is more simplified and answered rationally.
Preferably, the sealing gasket is made of brass.
Like this, seal gasket is made for the brass material, can be better to connector and butt joint pipe component play the guard action for seal gasket can be better forms seal structure.
Preferably, the sealing gasket is made of polytetrafluoroethylene.
Like this, seal gasket is made for the polytetrafluoroethylene material for seal gasket pastes inseparabler with connector and butt joint hole inner peripheral surface mutually, improves sealed effect.
As an optimization, the connection structure includes a connection sleeve, one end of the connection sleeve is in threaded connection with the end of the butt joint pipe member, a circle of drive protruding portion protruding inwards is arranged on the inner peripheral wall of the other end of the connection sleeve, a drive hole is formed on the inner peripheral surface of the drive protruding portion and sleeved outside the connector, and the inner end of the drive hole is provided with a chamfer structure and can be supported on the outer peripheral surface of the connector in a butt joint manner.
Like this, can conveniently be connected butt joint pipe member and connecting pipe member to convenient connection operation, structural design is more reasonable.
Preferably, a cushion is provided between the sealing projection and the driving protrusion.
Like this, through setting up the blotter, structural design is more reasonable.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, the R744 air-conditioning heat pump pipeline joint sealing structure comprises an air-conditioning hard pipe 1 and an air-conditioning soft pipe 2; the opposite ends of the air-conditioning hard pipe and the air-conditioning hose are connected through a pipe joint assembly, and the pipe joint assembly comprises a connecting pipe component 3 connected with the air-conditioning hose and a butt joint pipe component 4 connected with the air-conditioning hard pipe; the front end of the connecting pipe component is provided with a connector 5 with a spherical structure, the end face of the front end of the butt joint pipe component is provided with a spherical butt joint hole matched with the connector and used for the connector to extend into, the front side of the connector is sleeved with a circle of sealing gasket 6 which is integrally in a spherical structure, and the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located; the connecting structure is provided with a connecting end and a driving end, is respectively connected with the butt joint pipe member and the connecting pipe member, and can drive the connecting pipe member to move towards the butt joint pipe member so that the sealing gasket is integrally extended and deformed, and the outer peripheral surface of the connecting head and the inner peripheral surface of the butt joint hole are respectively attached and sealed on the two surfaces of the sealing gasket.
Thus, in the device structure, a circle of sealing gasket which is integrally in a spherical structure is sleeved on the front side of the connector, the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located, when the connecting structure arranged between the connecting pipe component and the butt joint pipe component is connected with the connecting pipe component, the connecting pipe component is driven to move towards the butt joint pipe component, and after the sealing gasket is integrally extended and deformed, the outer peripheral surface of the connector and the inner peripheral surface of the butt joint hole are respectively attached to and sealed on the two surfaces of the sealing gasket. In this structure, for current structure, current structure is through making seal gasket extend in order to reach sealed effect with seal gasket conquassation local deformation, and make seal gasket two surfaces paste with connector outer peripheral face and butt joint hole inner peripheral face respectively, and the effectual sealed area of formation is bigger, thereby makes sealed effect better, and is sealed more reliable.
In the embodiment, a circle of annular sealing bulge 7 is arranged on the connecting joint and just opposite to the front end face of the butt joint pipe member, a sealing washer 8 is arranged between the sealing bulge and the front end face of the butt joint pipe member, and after the connecting pipe member moves towards the butt joint pipe member, two ends of the sealing washer can be respectively attached and abutted to and supported on the inner side face of the sealing bulge and the front end face of the butt joint pipe member.
Like this, through just being equipped with round annular sealed arch just to the terminal surface before the butt joint pipe component on the connector, set up seal ring between sealed arch and the terminal surface before the butt joint pipe component to make seal ring both ends can paste the butt joint separately and support on sealed protruding medial surface and the terminal surface before the butt joint pipe component, the seal structure is said to the second that forms like this, seal ring and seal ring form seal structure separately, can improve sealed reliability, improve sealed effect.
In this embodiment, the sealing washer 8 is a high temperature resistant sealing washer made of teflon.
Therefore, the sealing washer is made of polytetrafluoroethylene to form the high-temperature-resistant sealing washer, the sealing effect of the sealing washer is better, and the sealing washer can better bear a corresponding high-temperature working environment.
In the embodiment, a circle of annular mounting groove 9 is arranged at the edge position of the front end face of the butt joint pipe component, and the sealing gasket is arranged in the mounting groove.
Therefore, the annular mounting groove is formed in the edge position of the front end face of the butt joint pipe member, and the sealing washer can be mounted and arranged more conveniently.
In this embodiment, the outer end of the connector has a horizontal connecting pipe section 10, and the bottom of the butt hole on the butt joint pipe member is provided with an insertion hole section for inserting the connecting pipe section.
Like this, can make things convenient for more to be connected that connector and connecting hole correspond, structural design is more simplified and answered rationally.
In this embodiment, the sealing gasket 6 is made of brass.
Like this, seal gasket is made for the brass material, can be better to connector and butt joint pipe component play the guard action for seal gasket can be better forms seal structure.
In this embodiment, the sealing gasket 6 is made of teflon.
Like this, seal gasket is made for the polytetrafluoroethylene material for seal gasket pastes inseparabler with connector and butt joint hole inner peripheral surface mutually, improves sealed effect.
In this embodiment, the connection structure includes a connection sleeve 11, one end of the connection sleeve is screwed to the end of the butt joint pipe member, a circle of driving protrusion 12 protruding inwards is provided on the inner peripheral wall of the other end of the connection sleeve, a driving hole is formed on the inner peripheral surface of the driving protrusion and sleeved outside the connection head, and the inner end of the driving hole has a chamfer structure and can be supported on the outer peripheral surface of the connection head in an abutting manner.
Like this, can conveniently be connected butt joint pipe member and connecting pipe member to convenient connection operation, structural design is more reasonable.
In this embodiment, a cushion pad 13 is provided between the sealing protrusion and the driving protrusion.
Like this, through setting up the blotter, structural design is more reasonable.
In this embodiment, the outer end of the connector has an outwardly extending fixed pipe section 14, and the fixed pipe section is connected to the air conditioning hose through a transition connector 15.
Like this, through setting up the transition connector, it is more convenient to link to each other connector and air conditioner hose.
In conclusion, the structure of the utility model has the characteristics of simple structure, capability of improving effective sealing contact area to improve sealing reliability and more reasonable sealing structure.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A sealing structure of a R744 air-conditioning heat pump pipeline joint comprises an air-conditioning hard pipe and an air-conditioning hose; the opposite ends of the air-conditioning hard pipe and the air-conditioning hose are connected through a pipe joint assembly, and the pipe joint assembly comprises a connecting pipe component connected with the air-conditioning hose and a butt joint pipe component connected with the air-conditioning hard pipe; the connector is characterized in that the front end of the connecting pipe component is provided with a connector with a spherical structure, the end face of the front end of the butt joint pipe component is provided with a spherical butt joint hole matched with the connector and used for the connector to extend into, the front side of the connector is sleeved with a circle of sealing gasket which is integrally in a spherical structure, and the radius of the spherical surface where the sealing gasket is located is smaller than that of the spherical surface where the connector is located; the connecting structure is provided with a connecting end and a driving end, is respectively connected with the butt joint pipe member and the connecting pipe member, and can drive the connecting pipe member to move towards the butt joint pipe member so that the sealing gasket is integrally extended and deformed, and the outer peripheral surface of the connecting head and the inner peripheral surface of the butt joint hole are respectively attached and sealed on the two surfaces of the sealing gasket.
2. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 1, wherein: the connecting joint is provided with a circle of annular sealing bulges right facing the front end face of the butt joint pipe component, a sealing washer is arranged between the sealing bulges and the front end face of the butt joint pipe component, and after the connecting pipe component moves towards the butt joint pipe component, two ends of the sealing washer can be respectively attached to and abutted against the inner side face of the sealing bulges and the front end face of the butt joint pipe component.
3. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 2, wherein: the sealing washer is a high-temperature resistant sealing washer made of polytetrafluoroethylene.
4. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 2, wherein: and a circle of annular mounting groove is formed in the edge position of the front end face of the butt joint pipe member, and the sealing washer is mounted in the mounting groove.
5. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 1, wherein: the outer end of the connector is provided with a horizontal connecting pipe section, and the bottom of a butt joint hole in the butt joint pipe component is provided with an insertion hole section for the connecting pipe section to be inserted into.
6. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 1, wherein: the sealing gasket is made of brass.
7. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 1, wherein: the sealing gasket is made of polytetrafluoroethylene.
8. A R744 air conditioner heat pump pipeline joint sealing structure as claimed in claim 2, wherein: the connecting structure comprises a connecting sleeve, one end of the connecting sleeve is in threaded connection with the end of the butt joint pipe component, a circle of driving protruding portion protruding inwards is arranged on the inner peripheral wall of the other end of the connecting sleeve, a driving hole is formed in the inner peripheral surface of the driving protruding portion, the driving hole is sleeved outside the connecting head, and the inner end of the driving hole is provided with a chamfering structure and can be abutted to and supported on the outer peripheral surface of the connecting head.
9. A sealing structure of a joint of a heat pump pipe of an R744 air conditioner according to claim 8, characterized in that: a cushion is provided between the sealing protrusion and the driving protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542402.2U CN216555839U (en) | 2021-10-21 | 2021-10-21 | R744 air conditioner heat pump pipeline connects seal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542402.2U CN216555839U (en) | 2021-10-21 | 2021-10-21 | R744 air conditioner heat pump pipeline connects seal structure |
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| CN216555839U true CN216555839U (en) | 2022-05-17 |
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| CN202122542402.2U Active CN216555839U (en) | 2021-10-21 | 2021-10-21 | R744 air conditioner heat pump pipeline connects seal structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4361484A1 (en) * | 2022-10-26 | 2024-05-01 | Danfoss A/S | Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module |
| WO2024089133A1 (en) * | 2022-10-26 | 2024-05-02 | Danfoss A/S | Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module |
-
2021
- 2021-10-21 CN CN202122542402.2U patent/CN216555839U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4361484A1 (en) * | 2022-10-26 | 2024-05-01 | Danfoss A/S | Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module |
| EP4361483A1 (en) * | 2022-10-26 | 2024-05-01 | Danfoss A/S | Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module |
| WO2024089133A1 (en) * | 2022-10-26 | 2024-05-02 | Danfoss A/S | Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module |
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