CN217328878U

CN217328878U - Universal female joint structure for connecting internal and external machines of air conditioner

Info

Publication number: CN217328878U
Application number: CN202220579382.8U
Authority: CN
Inventors: 童仕达
Original assignee: NINGBO YINZHOU HENGXING AIR CONDITIONING PARTS FACTORY
Current assignee: NINGBO YINZHOU HENGXING AIR CONDITIONING PARTS FACTORY
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-30
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to the technical field of connection of an air conditioner internal and external machine, in particular to a universal female joint structure for connecting the air conditioner internal and external machine, which comprises a copper pipe joint and a female joint; the copper pipe joint is fixedly connected to the female joint; the inner part of the copper pipe joint is communicated with the inner part of the female joint; a valve rod group is arranged between the copper pipe joint and the female joint; a limiting part for limiting the valve rod group is arranged in the connecting side of the copper pipe joint connected with the female joint; one end of the valve rod group is abutted to the limiting part, the other end of the valve rod group penetrates through the female joint, and the outer wall of the valve rod group is attached to the inner wall of the female joint. The utility model has the advantages that directly be connected with the air conditioner through the copper union coupling, promote the convenience of connecting to reduce the adapting unit between copper union coupling and the female joint, reduced the leakage point, further promote the sealed effect of copper union coupling and female joint.

Description

Universal female joint structure for connecting internal and external machines of air conditioner

Technical Field

The utility model relates to an interior external machine of air conditioner connects technical field, especially relates to a female joint design of general type of usefulness is connected to interior external machine of air conditioner.

Background

The conventional air conditioner indoor and outdoor unit connecting pipe (for example, a quick connecting pipe for an air conditioner indoor and outdoor unit disclosed in chinese patent publication No. CN 103629465A) includes a male joint and a female joint, and the connection of the male joint and the female joint enables the end of the male joint to push open a valve sleeve in the female joint and a valve rod in the female joint to push open a valve rod of the male joint, thereby enabling the inside of the male joint and the inside of the female joint to be communicated.

Present female joint turns right from a left side and includes the copper pipe, the female joint left part, female joint right part and female connection cap, the female joint left part is used for the valve stem group between spacing female joint left part and the female joint right part, because female joint left part and female joint right part are for dismantling the connection, still can lead to female joint left part and female joint right part still can have the joint gap in the junction, thereby appear leaking the point easily between female joint left part and female joint right part junction, influence sealed effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve there is joint gap between female joint left part and the female joint right part to lead to the poor technical problem of sealed effect, provide one kind through copper pipe joint and female joint lug connection, reduce adapting unit, promote the interior outer quick-witted general type female joint structure of connecting usefulness of air conditioner of sealed effect when convenient processing.

For the purpose of the utility model, the following technical scheme is adopted to realize:

a universal female joint structure for connecting an internal machine and an external machine of an air conditioner comprises a copper pipe joint and a female joint; the copper pipe joint is fixedly connected to the female joint; the inner part of the copper pipe joint is communicated with the inner part of the female joint; a valve rod group is arranged between the copper pipe joint and the female joint; a limiting part for limiting the valve rod group is arranged in the connecting side of the copper pipe joint connected with the female joint; one end of the valve rod group is abutted to the limiting portion, the other end of the valve rod group penetrates through the female joint, and the outer wall of the valve rod group is attached to the inner wall of the female joint. The structure of the intermediate connecting pipe is saved by directly connecting the copper pipe joint with the female joint, so that leakage points are reduced, the risk of gap leakage is reduced, the connection sealing effect between the copper pipe joint and the female joint can be further ensured, and the cost is saved by convenient processing.

Preferably, the limiting part is an annular convex surface protruding towards the inner side of the copper pipe joint. Can directly carry on spacingly through annular convex surface to valve rod group, need not to carry on spacingly through other parts.

Preferably, the aperture of the copper pipe joint is gradually reduced from the limiting part to the outer side direction of the copper pipe joint; and the aperture from the outer side of the copper pipe joint to the outer end of the copper pipe joint is kept unchanged. The hole diameter of the outer end is convenient for being directly welded with the connecting pipe.

Preferably, the copper pipe joint is made of red copper material and welded on the female joint. The red copper material is convenient for better welding and improves the welding connection strength.

Preferably, the valve rod group comprises a valve rod limiting plate, a valve rod, a valve sleeve and a spring; the outer ring of the valve rod limiting plate abuts against a limiting part which is in an annular convex surface in the copper pipe joint; a valve rod through hole is formed in the center of the valve rod limiting plate; the left part of the valve rod is fixed on the valve rod through hole; the right part of the valve rod penetrates through the female joint; the valve sleeve and the spring are respectively sleeved outside the valve rod, the left end of the spring abuts against the valve rod limiting plate and is positioned in the copper pipe joint, and the right end of the spring abuts against the left end of the valve sleeve; the right end of the valve sleeve abuts against the right part of the valve rod, and the outer wall of the valve sleeve is attached to the inner wall of the female joint; the right end of the valve sleeve is provided with a sealing layer. Set up the sealing layer through the valve barrel right-hand member and can directly fix the sealing layer, replace the structure that current cover established the sealing washer, can prevent that the valve barrel from causing to move or wearing and tearing to the sealing washer in the removal process to also the clearance between reduction sealing washer and the male joint connection back that can be better, thereby promote the sealed effect of sealing layer department, prevent to leak.

Preferably, the valve rod limiting plate comprises a plurality of support legs, the included angle between any two adjacent support legs is the same, and the bottom of each support leg abuts against the limiting part which is in the copper pipe joint and is in the annular convex surface. The supporting is convenient through the supporting legs, and the internal conduction can be realized through the gaps among the supporting legs.

Preferably, a valve head is arranged at the right end of the valve rod; a valve sleeve matching opening is formed in the circumferential direction of the outer ring of the valve head; the right end of the valve sleeve props against the valve sleeve matching port through the acting force of a spring, and the left part of the valve rod is provided with a valve rod matching head; the valve rod matching head is fixedly inserted in the valve rod through hole. The valve sleeve is convenient to limit better through the valve sleeve matching port, and the valve sleeve can be conveniently propped open when being connected and matched with the male connector.

Preferably, the sealing layer is circumferentially and fixedly coated on the right end surface of the valve sleeve; the sealing layer is made of rubber materials. Above-mentioned structure is convenient for directly fix the sealing layer, prevents that the position excursion from appearing in the sealing layer, has also increased sealed scope simultaneously, further promotes sealed effect.

Preferably, a valve sleeve sealing groove is formed in the circumferential direction of the outer ring at the left end of the valve sleeve; and a valve sleeve sealing ring is arranged on the valve sleeve sealing groove. The sealing effect between the valve sleeve and the female joint is further increased through the valve sleeve sealing ring.

Preferably, the device also comprises a female connecting cap; the female connecting cap is sleeved on the right end of the female connector, and the right end of the valve rod group is located in the female connecting cap.

Drawings

Fig. 1 is a sectional view of a general female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to the present invention.

Fig. 2 is an exploded view of a general female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to the present invention.

Wherein: 1-copper pipe joint; 100-a limiting part; 10-a connecting side; 11-the outside of the copper pipe joint; 12-the outer end of the copper pipe joint; 2-a female joint; 3-a valve stem set; 30-valve rod limiting plate; 301-valve stem through hole; 302-a leg; 31-a valve stem; 311-valve stem left part; 312-valve stem right; 313-a valve head; 314-a valve housing mating port; 315-valve stem mating head; 32-a valve housing; 321-the left end of the valve sleeve; 322-valve housing right end; 323-valve sleeve seal groove; 324-a valve housing seal ring; 33-a spring; 331-spring left end; 332-spring right end; 4-a sealing layer; 5-female connection cap.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1 to 2, a general female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner comprises a copper pipe joint 1, a female joint 2 and a female connecting cap 5; copper pipe joint 1 adopts red copper material to make, promotes copper pipe joint 1's connectivity through red copper material, and the better welding with the air conditioner interface of being convenient for further promotes welding strength and welding leakproofness. The copper pipe joint 1 is welded on the female joint 2. Copper pipe joint 1 is through direct welded mode fixed connection on female joint 2, further promotes joint strength and sealed effect. The inside of the copper pipe joint 1 is communicated with the inside of the female joint 2, so that the inside of the copper pipe joint and the female joint is communicated. A valve rod group 3 is arranged between the copper pipe joint 1 and the female joint 2; a limiting part 100 for limiting the valve rod group 3 is arranged in a connecting side 10 of the copper pipe joint 1 connected with the female joint 2; one end of the valve rod group 3 is abutted to the limiting part 100, the other end of the valve rod group 3 penetrates through the female joint 2, and the outer wall of the valve rod group 3 is attached to the inner wall of the female joint 2. Through the direct welding with female joint 2 of copper union 1, saved the structure of intermediate junction pipe, through reducing adapting unit to reduce the leakage point, and then reduce the joint clearance and leak the risk, can further guarantee the sealed effect of being connected between copper union 1 and the female joint 2, and convenient processing has also more saved the cost. The female connecting cap 5 is sleeved on the right end of the female joint 2, and the right end of the valve rod group 3 is positioned in the female connecting cap 5.

As shown in fig. 1 and 2, the stopper portion 100 is an annular convex surface that protrudes toward the inside of the copper pipe joint 1. Can directly carry on spacingly to valve rod group 3 through annular convex surface, need not to be connected with copper union 1 again after connecting through other parts. The aperture of the copper pipe joint 1 is gradually reduced from the limiting part 100 to the outer side 11 of the copper pipe joint; the aperture through the flaring shape is convenient for better conducting. The bore diameter from the outer side 11 of the copper nipple to the outer end 12 of the copper nipple remains constant. The hole diameter of the outer end is convenient for being directly welded with the connecting pipe. The copper pipe joint 1 is directly connected to reduce intermediate parts, thereby reducing leakage points and reducing the risk of leakage of a connection gap; meanwhile, the copper pipe joint 1 can be directly welded with a connecting copper pipe of an air conditioner, so that the convenience and the universality of connection are greatly improved.

As shown in fig. 1 and 2, the valve stem set 3 includes a valve stem restriction plate 30, a valve stem 31, a valve sleeve 32, and a spring 33; the outer ring of the valve rod limiting plate 30 is abutted against a limiting part 100 which is in an annular convex surface in the copper pipe joint 1; the valve rod limiting plate 30 comprises three support legs 302, the included angle between any two adjacent support legs 302 is the same, the included angle is 120 degrees, the bottom of each support leg 302 supports the limiting part 100 which is an annular convex surface in the copper pipe joint 1, a conduction channel is formed between the two adjacent support legs 302, and the inside conduction is facilitated. The valve rod 31 can be better fixed and limited through the valve rod limiting plate 30, is convenient to support through the support leg 302, and can also be conducted. A valve rod through hole 301 is formed in the center of the valve rod limiting plate 30; the valve stem left portion 311 is provided with a valve stem fitting head 315; valve rod cooperation head 315 is fixed to be inserted and is established in valve rod through-hole 301, during the equipment, insert valve rod cooperation head 315 to valve rod through-hole 301 earlier in, and exceed valve rod through-hole 301 several centimeters, and process (rivet) the tip of valve rod cooperation head 315, make the tip diameter increase of valve rod cooperation head 315, thereby make valve rod cooperation head 315 fixed spacing in valve rod through-hole 301, valve rod through-hole 301 can't be extracted, and then promote joint strength and connection stability. Through the valve stem 31 for ejecting the valve stem of the male connector when connected thereto.

The valve sleeve 32 and the spring 33 are respectively sleeved outside the valve rod 31, the left end 331 of the spring abuts against the valve rod limiting plate 30 and is positioned in the copper pipe joint 1, and the right end 332 of the spring abuts against the left end 321 of the valve sleeve; the valve sleeve right end 322 abuts against the valve rod right part 312, and the outer wall of the valve sleeve 32 is attached to the inner wall of the female connector 2; the right end of the valve rod 31 is provided with a valve head 313; the outer ring of the valve head 313 is circumferentially provided with a valve sleeve matching opening 314; the valve housing right end 322 is urged against the valve housing engagement port 314 by the force of the spring 33. The valve housing engagement opening 314 facilitates better retention of the valve housing 32 and also facilitates movement of the valve housing 32. A valve sleeve sealing groove 323 is formed in the circumferential direction of the outer ring of the valve sleeve left end 321; a valve sleeve sealing ring 324 is provided on the valve sleeve sealing groove 323. The sealing effect between the valve sleeve 32 and the female connector 2 is further increased by the valve sleeve sealing ring 324.

As shown in fig. 1, the right end 322 of the valve housing is provided with a sealing layer 4. The sealing layer 4 is circumferentially and fixedly coated on the right end surface of the valve sleeve 32; the sealing layer 4 is made of soft materials such as rubber, silica gel, TPR, plastic and the like. The valve sleeve 32 is coated with the upper sealing layer 4, and the sealing layer 4 made of rubber materials can be firmly adhered to the valve sleeve 32 through conversion processing technology (rubber vulcanization processing), so that a surface sealing structure is realized, the reliability when the valve sleeve is connected with a male connector is further improved, and the surface sealing effect of the valve sleeve and the male connector is realized. The length of the valve sleeve 32 can be further reduced through the sealing layer 4, and because the two sealing rings are arranged on the valve sleeve 32 in the existing structure, the width of one sealing ring can be reduced through the sealing layer 4, and a better sealing effect is also achieved, so that the space of one sealing ring is saved, and the length of the valve sleeve 32 is further reduced, and the cost is further saved. The sealing layer 4 can also be an annular sealing ring, and an annular clamping head is arranged on the inner side of the annular sealing ring; valve barrel right-hand member 322 be provided with ring groove, the ring dop joint through ring seal is on the ring groove of valve barrel right-hand member 322, realizes fixing ring seal. The valve sleeve 32 is pressed against the valve rod right part 312 by the acting force of the spring 33, and when the valve sleeve is connected with the male connector, the male connector is pressed against the valve sleeve 32, so that the valve sleeve 32 can move axially, and finally, the sealing layer 4 at the right end 322 of the valve sleeve is pressed against the connecting end part of the male connector, so that the female connector structure and the male connector are tightly connected, and the sealing effect is improved.

To sum up, the utility model has the advantages that be connected the copper pipe through copper union 1 is direct to be connected with the air conditioner internal unit, reduce the adapting unit between copper union 1 and the female joint 2, reduce the leakage point, further promote the sealed effect between copper union 1 and the female joint.

Set up sealing layer 4 through valve barrel right-hand member 322 and can directly be fixed with sealing layer 4, replace current cover to establish the sealing washer and realize a seal structure, can prevent that valve barrel 52 from causing the sealing washer to move or wearing and tearing at removal in-process box connector right part 3 and valve barrel 52 to the clearance between reduction sealing washer that also can be better and the valve barrel and the clearance between the sealing washer and the male joint connection back, and then increased sealed reliability. Meanwhile, the width of one installation sealing ring on the valve sleeve 32 can be reduced through the sealing layer 4, so that the length of the valve sleeve 32 is further reduced, the thread stroke of the valve sleeve 32 is also shortened, and the cost is further saved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. A universal female joint structure for connecting an internal machine and an external machine of an air conditioner is characterized by comprising a copper pipe joint (1) and a female joint (2); the copper pipe joint (1) is fixedly connected to the female joint (2);

the inside of the copper pipe joint (1) is communicated with the inside of the female joint (2); a valve rod group (3) is arranged between the copper pipe joint (1) and the female joint (2); a limiting part (100) for limiting the valve rod group (3) is arranged in a connecting side (10) of the copper pipe joint (1) connected with the female joint (2); one end of the valve rod group (3) is abutted to the limiting part (100), the other end of the valve rod group (3) penetrates through the female joint (2), and the outer wall of the valve rod group (3) is attached to the inner wall of the female joint (2).

2. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 1, wherein the stopper (100) is a convex annular surface protruding toward the inside of the copper pipe joint (1).

3. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 2, wherein the diameter of the hole is gradually reduced from the position-limiting portion (100) to the outer side (11) of the copper pipe joint (1); and the bore diameter from the outer side (11) of the copper pipe joint to the outer end (12) of the copper pipe joint is kept unchanged.

4. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 1, wherein the copper pipe joint (1) is made of red copper, and the copper pipe joint (1) is welded to the female joint (2).

5. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 1, wherein the valve stem set (3) comprises a valve stem position limiting plate (30), a valve stem (31), a valve housing (32) and a spring (33); the outer ring of the valve rod limiting plate (30) abuts against a limiting part (100) in the copper pipe joint (1); a valve rod through hole (301) is formed in the center of the valve rod limiting plate (30); the left part (311) of the valve rod is fixed on the valve rod through hole (301); the right part (312) of the valve rod penetrates through the female joint (2);

the valve sleeve (32) and the spring (33) are respectively sleeved on the outer side of the valve rod (31), the left end (331) of the spring abuts against the valve rod limiting plate (30) and is located in the copper pipe joint (1), and the right end (332) of the spring abuts against the left end (321) of the valve sleeve; the right end (322) of the valve sleeve abuts against the right part (312) of the valve rod, and the outer wall of the valve sleeve (32) is attached to the inner wall of the female joint (2); and a sealing layer (4) is arranged on the right end (322) of the valve sleeve.

6. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner as claimed in claim 5, wherein the valve stem limiting plate (30) comprises a plurality of supporting legs (302), the included angle between any two adjacent supporting legs (302) is the same, and the bottom of each supporting leg (302) abuts against the limiting portion (100) in the copper pipe joint (1).

7. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 5, wherein a valve head (313) is provided at the right end of the valve stem (31); the outer ring of the valve head (313) is circumferentially provided with a valve sleeve matching opening (314); the right end (322) of the valve sleeve props against the matching opening (314) of the valve sleeve through the acting force of a spring (33); the valve rod left part (311) is provided with a valve rod matching head (315); the valve rod matching head (315) is fixedly inserted in the valve rod through hole (301).

8. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner as claimed in claim 5, wherein the sealing layer (4) is circumferentially and fixedly coated on the right end surface of the valve sleeve (32); the sealing layer (4) is made of rubber materials.

9. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner as claimed in claim 6, wherein a valve sleeve sealing groove (323) is formed in the outer circumference of the left end (321) of the valve sleeve; and a valve sleeve sealing ring (324) is arranged on the valve sleeve sealing groove (323).

10. The universal female joint structure for connecting an indoor unit and an outdoor unit of an air conditioner according to claim 1, further comprising a female connecting cap (5); the female connecting cap (5) is sleeved on the right end of the female joint (2), and the right end of the valve rod group (3) is positioned in the female connecting cap (5).