Water inlet and outlet copper pipe assembly of air conditioner

Abstract

The utility model discloses an air conditioner water inlet and outlet copper pipe assembly, which comprises a copper pipe body, a pipe joint sleeved on the copper pipe body, a step hole arranged on the pipe joint, a sealing ring arranged on the step surface of the step hole, the step hole comprises a first hole and a second hole, the diameter of the first hole is smaller than that of the second hole, the first hole is matched with the copper pipe body, and the second hole is matched with the copper pipe body. An internal thread is arranged on the side wall of the second hole, and a flaring part is arranged at the end part of the copper pipe body; after the pipe connector is in threaded connection with the water inlet and outlet connector of the air conditioner, the sealing ring abuts against the flaring part, and the gap between the flaring part and the second hole is blocked after the sealing ring deforms. The copper pipe joint is novel in structure, good in sealing performance at the joint of the copper pipe body and the pipe joint, not prone to leakage and reliable in use.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning pipelines, in particular to an air-conditioning water inlet and outlet copper pipe assembly. Background Art

[0002] Existing central air conditioners are provided with water inlets and water outlets, and joints are provided at the water inlets and water outlets for connecting with matching copper pipes. Pipe joints are provided at the ends of the copper pipes, and the sealing of the connection between the pipe joints and the copper pipes is poor, which is prone to leakage and requires frequent maintenance, which is inconvenient. Summary of the invention

[0003] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provides an air conditioner water inlet and outlet copper pipe assembly, which has a novel structure, good sealing performance at the connection between the copper pipe body and the pipe joint, is not prone to leakage, and is reliable to use.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The water inlet and outlet copper pipe assembly of the air conditioner comprises: a copper pipe body, characterized in that: a pipe joint is sleeved on the copper pipe body, the pipe joint is provided with a step hole, a sealing ring is provided on the step surface of the step hole, the step hole comprises a first hole and a second hole, the diameter of the first hole is smaller than the diameter of the second hole, the first hole is adapted to the copper pipe body, the side wall of the second hole is provided with an internal thread, and the end of the copper pipe body is provided with a flared part; when the pipe joint is screwed with the water inlet and outlet joint of the air conditioner, the sealing ring contacts the flared part, causing the sealing ring to deform and block the gap between the flared part and the second hole. The water inlet and outlet copper pipe assembly has a novel structure, good sealing performance at the connection between the copper pipe body and the pipe joint, is not prone to leakage, and is reliable to use.

[0006] Furthermore, a positioning groove is provided on the step surface of the step hole, and a convex portion matching the positioning groove is provided on the sealing ring. The sealing ring is detachable, easy to position, and easy to install. After installation, the convex portion is in close contact with the inner wall of the positioning groove, and there is a large friction force, so the sealing ring is not easy to move freely, and the stability is high.

[0007] Furthermore, a dust cover is connected to the pipe joint, and the inner diameter of the dust cover is the same as the diameter of the second hole. The dust cover is used to cover the connection between the pipe joint and the water inlet and outlet joints of the air conditioner, thereby preventing dust from entering the pipe joint, and dustproof is reliable.

[0008] Furthermore, the step hole also includes a third hole, the diameter of the third hole is larger than the diameter of the second hole, and the dust cover is provided with a positioning installation section corresponding to the third hole, so that the pipe joint can be detachably connected to the dust cover. The dust cover is easy to disassemble and assemble, and is easy to replace. The positioning installation section is embedded in the third hole to realize the installation and positioning of the dust cover, which is quick and convenient.

[0009] Furthermore, reinforcing ribs are distributed around the outer wall of the dust cover, which improves the structural strength of the dust cover, makes it resistant to pressure and collision, is not easy to deform, and has a long service life.

[0010] Furthermore, the copper tube body is wrapped with a sponge block, which has a certain buffering effect on the impact force and protects the copper tube body, thereby preventing the copper tube body from being deformed by external direct impact.

[0011] Furthermore, the sponge block is wrapped with a rubber cloth to limit the sponge block from freely detaching from the copper tube body. The rubber cloth has a binding effect on the sponge block, so that the sponge block is in close contact with the copper tube body, thereby improving the protective effect of the sponge block on the copper tube body.

[0012] Furthermore, a sub-velcro is provided on the front side of the rubber cloth, and a mother Velcro is provided on the back side of the rubber cloth to be bonded with the sub-velcro. The rubber cloth is wound around the sponge block, and the sub-velcro is bonded to the mother Velcro. The rubber cloth is not easy to spread freely, and can stably wrap the sponge block, with high reliability, and is easy to open and close, replacing the cable tie binding method, and facilitating the replacement of the sponge block.

[0013] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0014] 1. During installation, slide the pipe joint so that the water inlet and outlet joints of the air conditioner enter the second hole, rotate the pipe joint so that the pipe joint and the water inlet and outlet joints of the air conditioner are screwed together, so that the water inlet and outlet joints of the air conditioner are against the flared part, and the flared part is against the sealing ring, so that the sealing ring is deformed, thereby blocking the gap between the flared part and the second hole. The connection between the pipe joint and the copper tube body is not prone to leakage and has good sealing performance.

[0015] 2. The dust cover is used to cover the connection between the pipe joint and the water inlet and outlet joints of the air conditioner, thereby preventing dust from entering the pipe joint, which is dust-proof and reliable.

[0016] 3. The sponge block has a certain buffering effect on impact force and protects the copper tube body to prevent the copper tube body from being deformed by external direct impact; the rubber cloth is wrapped around the sponge block and bonded to the parent Velcro through the child Velcro. The rubber cloth is not easy to spread freely and can wrap the sponge block stably. It has high reliability and is easy to open and close. It replaces the cable tie binding method and is convenient for replacing the sponge block. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a structural schematic diagram of the water inlet and outlet copper pipe assembly of the air conditioner of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the connection between the pipe joint and the copper pipe body in the utility model;

[0020] Figure 3 This is a structural schematic diagram of the pipe joint and the dust cover in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pipe joint in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the sealing ring in the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the copper tube body in the utility model;

[0024] Figure 7 It is a structural schematic diagram of the rubber cloth in the utility model.

[0025] In the figure: 1-copper tube body; 2-pipe joint; 3-first hole; 4-second hole; 5-third hole; 6-sealing ring; 7-expansion portion; 8-positioning groove; 9-raised portion; 10-dust cover; 11-positioning installation section; 12-reinforcement rib; 13-sponge block; 14-rubber cloth; 15-mother Velcro; 16-mother Velcro. DETAILED DESCRIPTION

[0026] like Figures 1 to 7 As shown, the utility model shows an air conditioner water inlet and outlet copper pipe assembly, comprising: a copper pipe body 1, a pipe joint 2 is sleeved on the copper pipe body 1, the pipe joint 2 is provided with a step hole, the step hole comprises a first hole 3, a second hole 4 and a third hole 5, the diameter of the first hole 3 is smaller than the diameter of the second hole 4, the diameter of the second hole 4 is smaller than the diameter of the third hole 5, the first hole 3 is adapted to the copper pipe body 1, a sealing ring 6 is provided on the step surface between the first hole 3 and the second hole 4, the side wall of the second hole 4 is provided with an internal thread which is screwed to the water inlet and outlet joints of the air conditioner, and the end of the copper pipe body 1 is provided with a flared portion 7.

[0027] During installation, slide the pipe joint 2 to make the water inlet and outlet joints of the air conditioner enter the second hole 4, rotate the pipe joint 2 to screw the pipe joint 2 and the water inlet and outlet joints of the air conditioner, so that the water inlet and outlet joints of the air conditioner are against the flared part 7, and the flared part 7 is against the sealing ring 6, so that the sealing ring 6 is deformed, thereby blocking the gap between the flared part 7 and the second hole 4. The connection between the pipe joint 2 and the copper tube body 1 is not prone to leakage and has good sealing performance.

[0028] A positioning groove 8 is provided on the step surface between the first hole 3 and the second hole 4, and a convex portion 9 is provided on the sealing ring 6 to match the positioning groove 8. The sealing ring 6 is detachable, convenient to position, and easy to install. After installation, the convex portion 9 is in close contact with the inner wall of the positioning groove 8, and there is a large friction force, so that the sealing ring 6 is not easy to move freely and has high stability.

[0029] The pipe joint 2 is connected with a dust cover 10, and the inner diameter of the dust cover 10 is the same as the diameter of the second hole 4. The dust cover 10 is used to cover the connection between the pipe joint 2 and the water inlet and outlet joints of the air conditioner, thereby preventing dust from entering the pipe joint 2, and dustproof is reliable.

[0030] The dust cover 10 is provided with a positioning installation section 11 corresponding to the third hole 5, so that the pipe joint 2 can be detachably connected to the dust cover 10. The dust cover 10 is easy to disassemble and replace, and the positioning installation section 11 is embedded in the third hole 5 to realize the installation and positioning of the dust cover 10, which is quick and convenient.

[0031] The outer wall of the dust cover 10 is surrounded by reinforcing ribs 12, which improve the structural strength of the dust cover 10, make it resistant to pressure and collision, not easy to deform, and have a long service life.

[0032] The copper tube body 1 is wrapped with a sponge block 13 , which has a certain buffering effect on the impact force and protects the copper tube body 1 , thereby preventing the copper tube body 1 from being deformed by external direct impact.

[0033] The sponge block 13 is wrapped with a rubber cloth 14 to limit the sponge block 13 from freely detaching from the copper tube body 1. The rubber cloth 14 has a binding effect on the sponge block 13, so that the sponge block 13 is in close contact with the copper tube body 1, thereby improving the protective effect of the sponge block 13 on the copper tube body 1. A sub-Velcro 15 is provided on the front side of the rubber cloth 14, and a mother Velcro 16 that cooperates with and bonds with the sub-Velcro 15 is provided on the back side of the rubber cloth 14. The rubber cloth 14 is wrapped around the sponge block 13, and the sub-Velcro 15 is bonded to the mother Velcro 16. The rubber cloth 14 is not easy to spread freely, and can stably wrap the sponge block 13, with high reliability, and is easy to open and close, replacing the cable tie binding method, and facilitating the replacement of the sponge block 13.

[0034] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. Air conditioner water inlet and outlet copper pipe components, including: Copper tube body, Features: The copper tube body is sleeved with a pipe joint, the pipe joint is provided with a step hole, a sealing ring is provided on the step surface of the step hole, the step hole includes a first hole and a second hole, the diameter of the first hole is smaller than the diameter of the second hole, the first hole is adapted to the copper tube body, the side wall of the second hole is provided with an internal thread, and the end of the copper tube body is provided with a flared portion; When the pipe joint is threadedly connected to the water inlet and outlet joints of the air conditioner, the sealing ring contacts the flared portion, causing the sealing ring to deform and block the gap between the flared portion and the second hole.

2. The air conditioner water inlet and outlet copper pipe assembly according to claim 1, characterized in that: A positioning groove is provided on the step surface of the step hole, and a protrusion matched with the positioning groove is provided on the sealing ring.

3. The air conditioner water inlet and outlet copper pipe assembly according to claim 1, characterized in that: The pipe joint is connected with a dust cover, and the inner hole diameter of the dust cover is the same as the diameter of the second hole.

4. The air conditioner water inlet and outlet copper pipe assembly according to claim 3, characterized in that: The step hole also includes a third hole, the diameter of the third hole is larger than the diameter of the second hole, and the dust cover is provided with a positioning installation section corresponding to the third hole, so that the pipe joint can be detachably connected to the dust cover.

5. The air conditioner water inlet and outlet copper pipe assembly according to claim 3, characterized in that: Reinforcing ribs are distributed around the outer wall of the dust cover.

6. The air conditioner water inlet and outlet copper pipe assembly according to claim 1, characterized in that: The copper tube is externally wrapped with a sponge block.

7. The air conditioner water inlet and outlet copper pipe assembly according to claim 6, characterized in that: The sponge block is wrapped with rubber cloth to limit the sponge block from freely detaching from the copper tube body.

8. The air conditioner water inlet and outlet copper pipe assembly according to claim 7, characterized in that: A sub-velcro is arranged on the front side of the rubber cloth, and a mother-velcro which cooperates and adheres with the sub-velcro is arranged on the back side of the rubber cloth.

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