CN212839986U - Domestic air conditioner quick-operation joint subassembly - Google Patents

Abstract

The utility model discloses a household air conditioner quick connector assembly, which consists of a male connector assembly and a female connector assembly, wherein the male connector assembly comprises a connector, a male connector body, a male connector spring and a four-leaf valve block, one end of the connector is connected with one end of the inner cavity of the male connector body through a thread and an o-shaped ring II, and the four-leaf valve block is arranged at the other end of the inner cavity of the male connector body; the female joint component comprises a locking cap, a two-way valve block, a mandril, a female joint body, a female joint spring, an E-shaped clamp spring, a locking joint and a copper tube; the utility model adopts soft and hard sealing structures between the coupling head and the male joint body, between the male joint body and the female joint body, between the two-way valve block and the ejector rod, and between the female joint body and the locking joint, thereby ensuring the sealing performance of the quick joint component; when the male and female connectors are closed or assembled, the single-o-shaped ring seal is adopted, the assembly resistance is reduced, and when the male and female connectors are communicated, the double-o-shaped ring seal is adopted between the male and female connectors, so that the sealing reliability is ensured.

Description

Domestic air conditioner quick-operation joint subassembly

Technical Field

The utility model relates to an air conditioner crossover sub field, in particular to domestic air conditioner quick-operation joint subassembly.

Background

When an existing air conditioner is installed, an indoor unit is led out through a copper pipe, and can be completed by a special technician in the process of connecting and debugging with an outdoor unit, so that the existing air conditioner has the defects of complex operation, poor connection stability, inconvenience in disassembly, assembly and maintenance, poor environmental protection performance, high danger degree of outdoor installation, high installation cost and the like, and the air conditioner is not convenient to disassemble, assemble and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a domestic air conditioner quick connect fitting subassembly of installation, maintenance convenience, environment-friendly.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a household air conditioner quick connector assembly comprises a male connector assembly and a female connector assembly, wherein the male connector assembly comprises a connecting head, a male connector body, a male connector spring and a four-leaf valve block, one end of the connecting head is connected to one end of an inner cavity of the male connector body through a thread and an o-shaped ring II, soft sealing is formed between the connecting head and the male connector body through the o-shaped ring II, and a bulge on the end part of the male connector body extrudes the connecting head through thread force to form hard sealing; the four-blade valve block is arranged at the other end of the inner cavity of the male connector body, and the male connector spring is arranged between the connecting head and the four-blade valve block; the female joint assembly comprises a locking cap, a two-way valve block, a push rod, a female joint body, a female joint spring, an E-shaped clamp spring, a locking joint and a copper tube, wherein the copper tube is connected with the connecting end of the female joint body through the locking joint, the locking joint and the copper tube are fixedly connected in a welding mode, and meanwhile, the locking joints with different specifications can be selected to be connected with the female joint body according to different sizes and specifications of the copper tube; the mounting end of the ejector rod is mounted on the connecting end through an E-shaped clamp spring, the positioning end of the female joint body is connected with one end of the male joint body, which is provided with the four-blade valve block, through a locking cap, one end of the two-way valve block is abutted against and sealed with the side wall of one end of the male joint body, which is provided with the four-blade valve block, the other end of the two-way valve block is abutted against a female joint spring arranged in the female joint body, the side wall of the two-way valve block is provided with two o-shaped rings six, when the male joint component is matched with the female joint component, the two o-shaped rings six are in sealing contact with the inner wall of the female joint body, when the male joint component and the female joint component are loosened, an o-shaped ring six is in sealing contact with the inner wall of the female joint body, when the male connector and the female connector are closed or assembled, the single-O-shaped ring is sealed, so that the assembly resistance is reduced, and when the male connector and the female connector are communicated, the double-O-shaped ring is sealed between the male connector and the female connector, so that the sealing reliability is ensured; and the jacking end of the ejector rod penetrates through the female joint spring and the inner cavity of the two-way valve block to abut against the four-leaf valve block.

Further, the four-leaf valve block comprises a limiting end and a sealing end, four positioning leaves which are uniformly distributed and extend outwards are arranged on the circumference of the limiting end, an o-shaped ring III is arranged in a sealing groove of the sealing end, the male connector spring pushes the positioning leaves to be abutted against the end part of the inner cavity of the male connector body, and the four-leaf valve block is sealed with the side wall of the end part of the male connector body through the o-shaped ring III.

Further, the installation end of ejector pin is equipped with the jump ring groove of installation E type jump ring, and the lateral wall of the jack-up end of ejector pin is equipped with the seal groove of installation o type circle five, when male joint subassembly and female joint subassembly loosen, forms soft sealing between the ejector pin through o type circle five and the two-way valve piece inside wall, and the ejector pin is gone into under female joint spring's effect and is formed hard sealing in the chamfer of two-way valve piece inner chamber tip.

Further, the centre of the link of female joint body is the ring structure, the ejector pin passes through the installation end to be installed on the ring structure to it is fixed through E type jump ring, the gusset through three equipartition of the outer lane of ring is connected with the inside wall of female joint body, the ejector pin adopts above-mentioned structural connection with the female joint body, the reliability of both connections has been guaranteed, simultaneously to the resistance of coolant liquid less, the lateral wall of the location end of female joint body is regular hexagon structure, regular hexagon structure and the locking cap cooperation location through the location end, guarantee that locking cap and female joint body can not take place relative rotation in the course of the work.

Furthermore, the other end of the connecting head is provided with an internal thread, the bottom of the internal thread is provided with an o-shaped ring I, and a cover cap covers the internal thread end of the connecting head, wherein the connecting head is in various specifications, the specifications of the internal threads of different specifications are different, and the o-shaped ring I is combined to be respectively matched and connected with stop valves of different specifications of an air conditioner outdoor unit for soft and hard sealing.

Furthermore, the end part of the copper tube is covered with a second cover cap, and the second cover cap is used for protecting the surface of the copper tube from being abraded.

Further, the terminal surface of the sealed one end of two-way valve piece and male joint body conflict is equipped with the seal groove of installation o type circle four, form soft seal through o type circle four between two-way valve piece and the male joint body, the male joint body through with locking cap between the screw thread power make the protruding extrusion female joint body of this tip of male joint form hard seal, simultaneously because male joint and female joint are under the separation status, both ends are sealed, when the female joint inserts the male joint inner chamber, inside has the unable discharge of partial air, there is certain atmospheric pressure to exist, two-way valve piece here adopts end face seal structure, effectively avoid atmospheric pressure, make things convenient for the female joint to insert the male joint.

Furthermore, the locking joint is in sealing connection with the female joint body through a thread and an o-shaped ring, soft sealing is formed between the female joint body and the locking joint through the o-shaped ring, a protrusion on the end part of the female joint body locks the joint through a thread force to form hard sealing, and the sealing strength of the joint is improved through the soft sealing and the hard sealing.

To sum up, the utility model discloses following beneficial effect has: 1. the utility model adopts soft and hard sealing structures between the coupling head and the male joint body, between the male joint body and the female joint body, between the two-way valve block and the mandril and between the female joint body and the locking joint, thereby ensuring the sealing performance of the quick joint assembly, and the specification of installing QMG-J80.003 is tested, thereby meeting the requirements of basic pressure resistance (6.3Mp) and limit pressure resistance (20.8 Mp); 2. when the male and female connectors are closed or assembled, the single-o-shaped ring seal is adopted, the assembly resistance is reduced, and when the male and female connectors are communicated, the double-o-shaped ring seal is adopted between the male and female connectors, so that the sealing reliability is ensured.

Drawings

FIG. 1 is a schematic structural view of the quick connector assembly of the present invention before assembly;

FIG. 2 is a schematic structural view of the assembled quick connector assembly of the present invention;

FIG. 3 is a schematic structural view of the four-blade valve block of the present invention;

FIG. 4 is a schematic structural view of the ejector rod of the present invention;

fig. 5 is a schematic structural view of the female connector body of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 1;

fig. 7 is a partially enlarged view of a portion B in fig. 2;

fig. 8 is a partially enlarged view of a portion C in fig. 2;

fig. 9 is a partially enlarged view of a portion D in fig. 2.

In the figure, 1, a first cover cap; 2. a coupling head; 3. a first o-shaped ring; 4. an o-shaped ring II; 5. a male connector body; 6. a male connector spring; 7. a four-leaf valve block 71 and a limit end; 72. sealing the end; 8. an o-shaped ring III; 9. o-shaped ring IV; 10. an o-shaped ring V; 11. a locking cap; 12. a two-way valve block; 13. an o-shaped ring six; 14. a top rod; 141. an installation end; 142. a jacking end; 15. A female connector body; 151. a connecting end; 152. a positioning end; 16. a female joint spring; 17. an o-shaped ring seven; 18. e-shaped clamp springs; 19. locking the joint; 20. a red copper tube; 21. and a second cover cap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a household air conditioner quick connector assembly comprises a male connector assembly and a female connector assembly, wherein the male connector assembly comprises a connector 2, a male connector body 5, a male connector spring 6 and a four-blade valve block 7, one end of the connector 2 is connected to one end of an inner cavity of the male connector body 5 through a thread and an o-ring II 4, as shown in fig. 7, a soft seal is formed between the connector 2 and the male connector body 5 through the o-ring II 4, and a bulge at the end of the male connector body 5 extrudes the connector 2 through thread force to form a hard seal; the four-blade valve block 7 is arranged at the other end of the inner cavity of the male connector body 5, and the male connector spring 6 is arranged between the connecting head 2 and the four-blade valve block 7; the female joint component comprises a locking cap 11, a two-way valve block 12, a push rod 14, a female joint body 15, a female joint spring 16, an E-shaped clamp spring 18, a locking joint 19 and a copper tube 20, wherein the copper tube 20 is connected with a connecting end 151 of the female joint body 15 through the locking joint 19, the locking joint 19 and the copper tube 20 are fixedly connected in a welding mode, and meanwhile, the locking joints 15 with different specifications can be selected to be connected with the female joint body 15 according to different size specifications of the copper tube 20; the mounting end 141 of the ejector rod 14 is mounted on the connecting end 151 through an E-shaped clamp spring 18, the positioning end 152 of the female joint body 15 is connected with one end of the male joint body 5 provided with the four-leaf valve block 7 through a locking cap 11, one end of the two-way valve block 12 is in abutting seal with the side wall of one end of the male joint body 5 provided with the four-leaf valve block 7, the other end of the two-way valve block 12 is in abutting seal with a female joint spring 16 mounted in the female joint body 15, the side wall of the two-way valve block 12 is provided with two o-shaped rings 13, when the male joint assembly is matched with the female joint assembly, the two o-shaped rings 13 are in sealing contact with the inner wall of the female joint body 15, when the male joint assembly is loosened from the female joint assembly, one o-shaped ring 13 is in sealing contact with the inner wall of the female joint body 15, namely when the male joint is closed or assembled, when the male connector and the female connector are communicated, the two o-shaped rings are sealed between the male connector and the female connector, so that the sealing reliability is ensured, when the air conditioner needs to be dismounted or moved, and the pressure of 0.8-1.5 MPa is in an air conditioner pipeline, when the male connector and the female connector are loosened, the spring needs to overcome the pipeline air pressure to achieve balance and overcome the friction force of the o-shaped rings, so that the elasticity of the spring needs to meet the related requirements of the description, and the sealing reliability is ensured; the jacking end 142 of the jacking rod 14 penetrates through the female joint spring 16 and the inner cavity of the two-way valve block 12 to be abutted against the four-leaf valve block 7.

Further, as shown in fig. 1 and 3, the four-leaf valve block 7 includes a limiting end 71 and a sealing end 72, four positioning leaves uniformly distributed and extending outwards are arranged on the circumference of the limiting end 71, three o-shaped rings 8 are installed in the sealing groove of the sealing end 72, the male joint spring 6 pushes the positioning leaves to abut against the end part of the inner cavity of the male joint body 5, and the four-leaf valve block 7 is sealed with the side wall of the end part of the male joint body 5 through the three o-shaped rings 8.

Further, as shown in fig. 1, 4 and 6, the mounting end 141 of the ejector rod 14 is provided with a clamp spring groove for mounting the E-shaped clamp spring 18, when the male joint assembly and the female joint assembly are loosened, the ejector rod 14 forms a soft seal with the inner side wall of the two-way valve block 12 through the o-ring five 10, and the ejector rod 14 is clamped into a chamfer at the end of the inner cavity of the two-way valve block 12 under the action of the female joint spring 16 to form a hard seal.

Further, as shown in fig. 1 and 5, the middle of the connecting end 151 of the female joint body 15 is of a circular ring structure, the ejector rod 14 is installed on the circular ring structure through the installation end 141 and fixed through the E-shaped clamp spring 18, the outer ring of the circular ring is connected with the inner side wall of the female joint body 15 through three uniformly distributed rib plates, the ejector rod 14 and the female joint body 15 are structurally connected, the connection reliability of the ejector rod and the female joint body is guaranteed, meanwhile, the resistance to the cooling liquid is small, the side wall of the positioning end 152 of the female joint body 15 is of a regular hexagon structure, and the regular hexagon structure of the positioning end 152 is matched with the locking cap 11 for positioning, so that the locking cap 11 and the female joint body 15 cannot rotate relatively in the working process.

Furthermore, the other end of the connecting head 2 is provided with an internal thread, the bottom of the internal thread is provided with an o-shaped ring I3, and the cap I1 covers the internal thread end of the connecting head 2, wherein the connecting head 2 is in various specifications, the specifications of the internal threads of different specifications are different, and the o-shaped ring I3 is combined to be respectively matched and connected with stop valves of different specifications of an air conditioner outdoor unit for soft and hard sealing.

Further, the end of the copper tube 20 is covered with a second cap 21, and the second cap 21 is used for protecting the surface of the copper tube 20 from being abraded.

Further, as shown in fig. 8, the end face of the end where the two-way valve block 12 and the male joint body 5 are abutted to seal is provided with a sealing groove for installing four o-shaped rings 9, soft sealing is formed between the two-way valve block 12 and the male joint body 5 through the four o-shaped rings 9, the male joint body 5 enables the protrusion at the end of the male joint body 5 to extrude the female joint body 15 through the thread force between the male joint body and the locking cap 11 to form hard sealing, meanwhile, because the male joint and the female joint are in a separated state, both ends are sealed, when the female joint is connected into the inner cavity of the male joint, partial air cannot be discharged from the inside, certain air pressure exists, the two-way valve block 12 adopts an end face sealing structure at the position, air pressure is effectively avoided.

Further, as shown in fig. 9, the locking joint 19 and the female joint body 15 are connected in a sealing manner through threads and an o-ring seven 17, a soft seal is formed between the female joint body 15 and the locking joint 19 through the o-ring seven 17, a protrusion at the end of the female joint body 15 locks the joint 19 through a thread force to form a hard seal, and the sealing strength of the connection is increased through the soft seal and the hard seal.

The working principle is as follows: when the male joint component is matched with the female joint component, the locking cap 11 of the female joint component is connected with the male joint body 5, and the ejector rod 14 is driven to move by the movement of the screw threads, so that the four-blade valve block 7 in the male joint component is pushed open, a whole passage is formed, and the circulation of a refrigerant is ensured. When the male joint component and the female joint component are loosened, the four-blade valve block 7 and the two-way valve block 12 are respectively pushed under the acting force of the male joint spring and the female joint spring, so that the respective sealing performance is ensured, and the refrigerants are sealed in respective pipelines and are not leaked.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a domestic air conditioner quick-operation joint subassembly comprises public joint subassembly and female joint subassembly, characterized by: the male connector assembly comprises a connecting head (2), a male connector body (5), a male connector spring (6) and a four-leaf valve block (7), one end of the connecting head (2) is connected to one end of an inner cavity of the male connector body (5) through a thread and an o-shaped ring II (4), soft sealing is formed between the connecting head (2) and the male connector body (5) through the o-shaped ring II (4), a bulge at the end part of the male connector body (5) extrudes the connecting head (2) through thread force to form hard sealing, the four-leaf valve block (7) is installed at the other end of the inner cavity of the male connector body (5), and the male connector spring (6) is installed between the connecting head (2) and the four-leaf valve block (7); the female joint component comprises a locking cap (11), a two-way valve block (12), a push rod (14), a female joint body (15), a female joint spring (16), an E-shaped clamp spring (18), a locking joint (19) and a copper tube (20), the copper tube (20) is connected with a connecting end (151) of the female joint body (15) through the locking joint (19), a mounting end (141) of the push rod (14) is mounted on the connecting end (151) through the E-shaped clamp spring (18), a positioning end (152) of the female joint body (15) is connected with one end of a male joint body (5) provided with a four-leaf valve block (7) through the locking cap (11), one end of the two-way valve block (12) is abutted and sealed with a side wall of one end of the four-leaf valve block (7) mounted on the male joint body (5), and the other end of the two-way valve block (12) is abutted with the female joint spring (16) mounted in the female joint body (15), the side wall of the two-way valve block (12) is provided with two o-shaped rings six (13), when the male joint component is matched with the female joint component, the two o-shaped rings six (13) are in sealing contact with the inner wall of the female joint body (15), and when the male joint component is loosened from the female joint component, one o-shaped ring six (13) is in sealing contact with the inner wall of the female joint body (15); the jacking end (142) of the jacking rod (14) penetrates through the female joint spring (16) and the inner cavity of the two-way valve block (12) to be abutted against the four-leaf valve block (7).

2. A quick connector assembly for home air conditioners as claimed in claim 1 wherein: four leaf valve piece (7) are including spacing end (71) and sealed end (72), be equipped with the outside location leaf that extends of four equipartitions on the circumference of spacing end (71), install three (8) of o type circle in the seal groove of sealed end (72), public joint spring (6) promote location leaf and public joint body (5) inner chamber tip and contradict, and four leaf valve piece (7) are sealed through three (8) of o type circle and public joint body (5) tip lateral wall.

3. A quick connector assembly for home air conditioners as claimed in claim 2 wherein: the mounting end (141) of ejector pin (14) is equipped with the jump ring groove of installation E type jump ring (18), and the lateral wall of the jack-up end (142) of ejector pin (14) is equipped with the seal groove of installation o type circle five (10), and when public joint subassembly and female joint subassembly loosened, ejector pin (14) formed soft seal through between o type circle five (10) and two-way valve block (12) inside wall, and ejector pin (14) are blocked in the chamfer of two-way valve block (12) inner chamber tip under female joint spring (16)'s effect and are formed hard seal.

4. A quick connector assembly for home air conditioners as claimed in claim 3 wherein: the middle of the connecting end (151) of the female joint body (15) is of a circular ring structure, the ejector rod (14) is installed on the circular ring structure through an installation end (141) and is fixed through an E-shaped clamp spring (18), the outer ring of the circular ring is connected with the inner side wall of the female joint body (15) through rib plates which are evenly distributed, the side wall of the positioning end (152) of the female joint body (15) is of a regular hexagon structure, and the regular hexagon structure and the locking cap (11) are matched and positioned through the positioning end (152).

5. A quick connector assembly for home air conditioners as claimed in claim 1 wherein: the other end of the coupling head (2) is provided with an internal thread, the bottom of the internal thread is provided with an o-shaped ring I (3), and the nut cap I (1) covers the internal thread end of the coupling head (2).

6. A quick connector assembly for home air conditioners as claimed in claim 1 wherein: and a second cover cap (21) is covered at the end part of the copper tube (20).

7. A quick connector assembly for home air conditioners as claimed in claim 1 wherein: the end face of the end, abutted and sealed with the male connector body (5), of the two-way valve block (12) is provided with a sealing groove provided with four o-shaped rings (9), soft sealing is formed between the two-way valve block (12) and the male connector body (5) through the four o-shaped rings (9), and the male connector body (5) enables the protrusion of the end part of the male connector body (5) to extrude the female connector body (15) to form hard sealing through the thread force between the male connector body and the locking cap (11).

8. A quick connector assembly for home air conditioners as claimed in claim 1 wherein: the locking joint (19) is in sealing connection with the female joint body (15) through threads and an o-shaped ring seven (17), soft sealing is formed between the female joint body (15) and the locking joint (19) through the o-shaped ring seven (17), and hard sealing is formed by the protrusion at the end part of the female joint body (15) through the thread force locking joint (19).

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