阅读说明：本技术 空调用连接结构及空调 (Connecting structure for air conditioner and air conditioner ) 是由 李世松 陶亮 熊真 曹亚男 刘鹏 许勇 于 2019-11-04 设计创作，主要内容包括：本发明公开了一种空调用连接结构及空调,属于家电技术领域,为解决现有阀座和连接管之间的硬密封连接容易失效等问题而设计。本发明空调用连接结构包括阀座和连接管,还包括单接头,连接管穿设在单接头内,阀座包括阀座套管,单接头穿设在阀座套管中,单接头的外周面与阀座套管的内壁面形成硬密封连接。本发明空调用连接结构及空调的阀座套管不容易被磕碰损坏,避免因为阀座套管上有划痕导致阀座套管与连接管之间的连接不够紧密,进而避免冷媒发生泄漏。(The invention discloses a connecting structure for an air conditioner and the air conditioner, belongs to the technical field of household appliances, and is designed for solving the problems that the hard sealing connection between the existing valve seat and the connecting pipe is easy to lose efficacy and the like. The connecting structure for the air conditioner comprises a valve seat, a connecting pipe and a single connector, wherein the connecting pipe penetrates through the single connector, the valve seat comprises a valve seat sleeve, the single connector penetrates through the valve seat sleeve, and the peripheral surface of the single connector is in hard sealing connection with the inner wall surface of the valve seat sleeve. The connecting structure for the air conditioner and the valve seat sleeve of the air conditioner are not easy to collide and damage, and the problem that the connection between the valve seat sleeve and the connecting pipe is not tight enough due to scratches on the valve seat sleeve is avoided, so that the leakage of a refrigerant is avoided.)

1. The utility model provides an idle call connection structure, includes disk seat (1) and connecting pipe (2), its characterized in that still includes single joint (31), connecting pipe (2) wear to establish in single joint (31), disk seat (1) includes valve seat sleeve pipe (11), single joint (31) wear to establish in valve seat sleeve pipe (11), the outer peripheral face of single joint (31) with the internal face of valve seat sleeve pipe (11) forms hard sealing connection.

2. The air conditioner connecting structure according to claim 1, wherein a step (12) is formed on an inner wall surface of the seat sleeve (11).

3. The air conditioner connection structure according to claim 2, wherein the end of the single joint (31) is formed with a chamfer (311), and the chamfer (311) abuts on the step (12).

4. The air conditioner connecting structure according to claim 2, wherein an avoiding groove (13) is formed on an inner wall surface of the seat sleeve (11), the avoiding groove (13) being located between the open end of the seat sleeve (11) and the step (12).

5. The air conditioner connection structure according to any one of claims 1 to 4, wherein a seal ring (4) is fitted around an outer peripheral wall of the single joint (31).

6. The air conditioner connection structure according to claim 5, wherein a groove is provided on an outer peripheral wall of the single joint (31), and the seal ring (4) is fitted in the groove.

7. The air conditioner connection structure according to any one of claims 1 to 4, characterized in that the air conditioner connection structure further includes a connection nut (3), the seat sleeve (11) being inserted in the connection nut (3).

8. The air conditioner connecting structure according to claim 7, wherein an internal thread is provided on an inner wall surface of the connecting nut (3), and an external thread that fits into the internal thread is formed on an outer wall surface of the seat sleeve (11).

9. The air conditioner connecting structure according to claim 7, wherein a nut inner groove (32) is provided on an inner wall surface of the connecting nut (3).

10. An air conditioner comprising an indoor unit and an outdoor unit, characterized by further comprising the air conditioner connection structure according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of household appliances, in particular to a connecting structure for an air conditioner and the air conditioner comprising the connecting structure for the air conditioner.

Background

An air conditioner is an electric appliance mainly used for changing indoor temperature and humidity. An air conditioner generally includes an indoor unit and an outdoor unit, wherein the outdoor unit of the air conditioner is generally provided with a high/low pressure valve and the like. The high-low pressure valve comprises a valve seat and a connecting pipe, the valve seat and the connecting pipe are required to be tightly connected together during use, and a refrigerant can flow through the valve seat and the connecting pipe.

The existing connection mode of the valve seat and the connecting pipe is hard seal connection, specifically, the connecting part of the valve seat forms a conical surface, the connecting pipe forms a flaring structure, and the hard seal connection is realized by inserting the conical surface into the flaring structure. The drawbacks of this structure are: in the production process of the valve seat, the conical surface exposed outside may generate some scratches due to collision, and the scratches may cause the conical surface and the flaring structure to be connected and cannot be tightly attached together, so that the hard sealing connection between the valve seat and the connecting pipe fails, and refrigerant leakage is caused.

Disclosure of Invention

An object of the present invention is to provide a connection structure for an air conditioner having a better sealing property.

Another object of the present invention is to provide an air conditioner capable of reducing a leakage rate of a connection pipe.

To achieve the purpose, on one hand, the invention adopts the following technical scheme:

the utility model provides an idle call connection structure, includes disk seat and connecting pipe, still includes the single joint, the connecting pipe is worn to establish in the single joint, the disk seat includes the disk seat sleeve pipe, the single joint is worn to establish in the disk seat sleeve pipe, the outer peripheral face that the single joint with disk seat sheathed tube internal face forms hard sealing connection.

In particular, a step is formed on an inner wall surface of the seat sleeve.

In particular, the end of the single joint is formed with a chamfer which abuts against the step.

Particularly, an avoiding groove is formed in the inner wall surface of the valve seat sleeve and is located between the opening end of the valve seat sleeve and the step.

Particularly, the outer peripheral wall of the single joint is sleeved with a sealing ring.

In particular, a groove is arranged on the peripheral wall of the single joint, and the sealing ring is embedded in the groove.

In particular, the connecting structure for the air conditioner further comprises a connecting nut, and the valve seat sleeve is arranged in the connecting nut in a penetrating mode.

In particular, an internal thread is arranged on the inner wall surface of the connecting nut, and an external thread matched with the internal thread is formed on the outer wall surface of the valve seat sleeve.

In particular, an inner nut groove is formed in the inner wall surface of the connecting nut.

On the other hand, the invention adopts the following technical scheme:

an air conditioner comprises an indoor unit, an outdoor unit and the connecting structure for the air conditioner.

The single joint of the connecting structure for the air conditioner is arranged in the valve seat sleeve in a penetrating mode, the connecting structure with the single joint is located on the inner side of the valve seat sleeve and is not easy to collide and damage, the problem that the connection between the valve seat sleeve and the connecting pipe is not tight enough due to scratches on the valve seat sleeve is avoided, and further refrigerant leakage is avoided.

The air conditioner comprises the connecting structure for the air conditioner, the inner wall of the valve seat sleeve is not easy to damage, so that the connecting structure between the single connector and the valve seat sleeve is tighter, the probability of forming scars on the connecting surface of the valve seat sleeve caused by collision of the valve seat sleeve is reduced, and the leakage rate of the connecting pipe is reduced.

Drawings

Fig. 1 is a perspective view of an air conditioner connection structure according to an embodiment of the present invention;

fig. 2 is a front view of an air conditioner connection structure according to an embodiment of the present invention;

fig. 3 is a sectional view taken along line a-a in fig. 2.

In the figure:

1. a valve seat; 2. a connecting pipe; 3. a connecting nut; 4. a seal ring; 11. a valve seat sleeve; 12. a step; 13. an avoidance groove; 31. a single joint; 32. a nut inner groove; 311. and (6) chamfering.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment discloses an air conditioner and a connecting structure thereof. As shown in fig. 1 to 3, the air conditioner connection structure includes a valve seat 1, a connection pipe 2, and a connection nut 3, the valve seat 1 including a seat sleeve 11; a single joint 31 is arranged in the connecting nut 3, and the connecting pipe 2 is arranged in the single joint 31 in a penetrating way and is fixed. During installation, the valve seat sleeve 11 is inserted into the connecting nut 3, the single joint 31 is inserted into the valve seat sleeve 11, and the outer peripheral surface of the single joint 31 is in hard sealing connection with the inner wall surface of the valve seat sleeve 11.

The single joint 31 stretches into valve seat sleeve pipe 11 and realizes being connected of single joint 31 and valve seat sleeve pipe 11, and the inner wall of valve seat sleeve pipe 11 is difficult to be damaged, so the connection structure between single joint 31 and valve seat sleeve pipe 11 is inseparabler, reduces because of valve seat sleeve pipe 11 is collided and leads to forming the probability of the scar on the face of being connected of valve seat sleeve pipe 11 to reduce the leakage rate of connecting pipe.

The inner wall surface of the seat sleeve 11 is formed with a step 12, the end of the single joint 31 is formed with a chamfer 311, and the chamfer 311 abuts on the step 12. The tight contact between the chamfer 311 and the step 12 forms a hard sealing connection, and can effectively prevent the refrigerant from leaking between the single joint 31 and the valve seat sleeve 11.

When the single joint 31 is inserted into the seat sleeve 11, it is possible to push some foreign dust together into the seat sleeve 11. In order to prevent the impurity dust entering the seat sleeve 11 from being blocked between the end of the single joint 31 and the step 12, an escape groove 13 is formed in the inner wall surface of the seat sleeve 11, and the escape groove 13 is located between the open end of the seat sleeve 11 and the step 12. The impurity dust entering the valve seat sleeve 11 falls into the avoiding groove 13 when being pushed to the opening of the avoiding groove 13, so that no foreign matter is separated between the end of the single joint 31 and the step 12, and the chamfer 311 of the single joint 31 is in closer contact with the step 12.

On the basis of the above structure, the outer peripheral wall of the single joint 31 is provided with a groove, and a seal ring 4 (O-ring) is embedded in the groove. A small half structure of the sealing ring 4 positioned on the inner ring is positioned in the groove to limit the sealing ring 4; the sealing ring 4 is located the outer lane and most of the structure protrusion in the outer peripheral face of single-phase joint 31, when the valve seat sleeve 11 cover is established on single-phase joint 31, sealing ring 4 rubs with the inner wall butt of valve seat sleeve 11, play soft sealed effect, hard seal and soft seal use simultaneously, sealing performance is better, when the hard seal connection between the outer peripheral face of single-phase joint 31 and the internal face of valve seat sleeve 11 became invalid, the soft seal of sealing ring 4 still can ensure that the encapsulated situation is intact, ensure that the complete machine operation is not influenced.

The specific connection manner between the valve seat 1 and the coupling nut 3 is not limited, and it is sufficient to provide a sufficiently large pushing force to the valve seat sleeve 11 and the single joint 31 so that the chamfer 311 abuts on the step 12. Preferably, an inner thread is formed on an inner wall surface of the coupling nut 3, and an outer thread matched with the inner thread is formed on an outer wall surface of the seat sleeve 11. During installation, the valve seat sleeve 11 is screwed into the connecting nut 3, so that the single connector 31 can be inserted into the valve seat sleeve 11, the use is convenient, and the connecting structure is stable.

In addition to the above structure, the inner wall surface of the coupling nut 3 is provided with a nut inner groove 32. It is possible to push some impurity foreign matters together in valve seat sleeve 11 screw in coupling nut 3, can fall into nut inner groovy 32 when these impurity foreign matters reach the opening part of nut inner groovy 32, avoids impurity foreign matters etc. to push up in valve seat sleeve 11's end department, avoids valve seat sleeve 11 because end department is pushed up and can't close in place with coupling nut 3 soon.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.