Connector for automobile air conditioner pipeline

Abstract

The utility model relates to a connector for an automobile air conditioner pipeline, which comprises two connecting pipes and a connector, one end of each connecting pipe is arranged in a step shape, a step groove is arranged on the connected inner wall, the connecting pipes can enter the step groove to be attached to the step groove, a sealing ring is fixedly connected onto each connecting pipe, the sealing ring can be attached to the step groove, and the connector is fixedly connected onto the connecting pipe. Limiting blocks are elastically and slidably connected to the connector, a plurality of limiting grooves allowing the limiting blocks to enter are formed in the side wall of the connecting pipe, the limiting blocks enter the limiting grooves to fix the connecting pipe, the situation that the connecting pipes are installed through raw material belts can be avoided, waste of raw material belt resources is reduced, and the difficulty of personnel for installing the connecting pipes is lowered.

Description

Technical field

[0001] The utility model relates to the technical field of automobile air-conditioning pipe joints, in particular to a joint used for automobile air-conditioning pipes. [Background Technology]

[0002] Automobile air conditioning pipes are divided into high-pressure pipes and low-pressure pipes. High-pressure pipes usually include parts such as compressor output, condenser and liquid receiver dryer; low-pressure pipes include parts such as evaporator, accumulator, return air pipe, etc. In the pipes, H stands for high pressure and L stands for low pressure. These markings help technicians better understand the pressure conditions in the air conditioning system. The main function of automobile air conditioning pipes is to connect the various components in the automobile air conditioning system so that the refrigerant can flow in the system, thereby realizing the normal operation of the air conditioning system. At the same time, reasonable pipe layout and connection are also key factors to ensure the normal operation of the air conditioning system. For automobile low-pressure pipes, connecting joints will be used. Through the connecting joints, two segmented connecting pipes can be connected, and then the connection between the pipes can be connected. When connecting pipes, the existing connecting joints mainly wrap several turns of raw tape on the external thread of the low-pressure pipe, and use the internal thread on the connector to connect with the external thread on the low-pressure pipe to achieve the connection of the connecting pipe.

[0003] Although the above scheme can connect the connecting pipes, it is necessary to wrap multiple raw tapes during the connection process. Although the connecting pipes can be sealed by wrapping the raw tape, the winding process depends entirely on the experience of the personnel. If the raw tape is wrapped too little, it is easy to cause water leakage between the connecting pipe and the connecting head. If the raw tape is wrapped too much, it is easy to cause the connecting head to be unable to connect the connecting pipes. If the raw tape is wrapped again, it will greatly waste the raw tape resources, thereby greatly increasing the difficulty of personnel installing the connecting pipe. [Utility Model Content]

[0004] The purpose of the utility model is to solve the problems in the prior art and to provide a joint for automobile air-conditioning pipes, which can be used to install connecting pipes.

[0005] To achieve the above purpose, the utility model proposes a connector for automobile air conditioning pipes, comprising: two connecting pipes and a connector,

[0006] One end of the connecting pipe is arranged in a stepped manner, and a stepped groove is provided on the inner wall of the connecting head, and the connecting pipe can enter the stepped groove and abut against the stepped groove;

[0007] A sealing ring is fixedly connected to the connecting pipe, and the sealing ring can be attached to the stepped groove;

[0008] The connecting head is elastically slidably connected to a limiting block, and the side wall of the connecting pipe is provided with a plurality of limiting grooves for the limiting blocks to enter.

[0009] Preferably, the connecting pipe is provided with a sealing block with a built-in internal thread, and the connecting pipe is provided with an external thread threadedly connected to the internal thread.

[0010] Preferably, a sealing gasket 1 is fixedly connected to the sealing block, and the sealing gasket 1 can be attached to one end of the connection.

[0011] Preferably, a plurality of balls are rotatably connected in the stepped groove, and the balls can stick to the inner wall of the connecting pipe.

[0012] Preferably, a second sealing gasket is fixedly connected to the middle of the stepped groove.

[0013] The beneficial effects of the present invention: Compared with the prior art, the present invention opens a stepped groove on the connecting head, utilizes the sealing ring on the connecting pipe to stick to the inner wall of the stepped groove, thereby realizing the sealing between the connecting pipes. After the sealing between the connecting pipes is completed, the limiting block enters the limiting groove to realize the connection between the connecting pipes. By fixing the connecting pipe by the limiting block entering the limiting groove, the use of raw tape for installation between the connecting pipes can be avoided, thereby reducing the waste of raw tape resources and reducing the difficulty of personnel installing the connecting pipes.

[0014] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings.

Brief Description of the Drawings

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the position of the sealing gasket 2 of the utility model;

[0017] Figure 3 It is a schematic diagram of the position of the sealing block of the utility model.

[0018] In the figure: 1. Connecting pipe; 2. Connecting head; 3. Step groove; 4. Sealing ring; 5. Limit block; 6. Limit groove; 7. Sealing block; 8. External thread; 9. Sealing gasket 1; 10. Ball; 11. Sealing gasket 2; 12. Spring. [Specific implementation method]

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0023] like Figures 1 to 3 The utility model discloses a connector for automobile air-conditioning pipes, comprising: two connecting pipes 1 and a connector 2.

[0024] Among them, one end of the connecting pipe 1 in the present invention is stepped, and a stepped groove 3 is opened on the inner wall of the connecting head 2. When one end of the connecting pipe 1 is attached to the inner wall of the stepped groove 3, the connecting head 2 can be connected to the connecting pipe 1;

[0025] When one end of the connecting pipe 1 is in contact with the stepped groove 3, the sealing ring 4 fixedly connected to the connecting pipe 1 will be in contact with the stepped groove 3, thereby achieving sealing between the connecting pipe 1 and the connector 2;

[0026] Once the connection head 2 and the connection pipe 1 are sealed, the connection head 2 is elastically slidably connected to the limit block 5, and the side wall of the connection pipe 1 is provided with a number of limit grooves 6 for the limit block 5 to enter. The limit block 5 enters the limit groove 6 to fix the connection pipe 1. It is worth mentioning that the limit block 5 is reset by the spring 12. The limit block 5 is fixedly connected to the connection head 2, and one end is fixedly connected to the limit block 5, so that the limit block 5 can enter the limit groove 6 to fix the connection pipe 1.

[0027] Specifically, since a sealing block 7 with a built-in internal thread is provided on the connecting pipe 1, an external thread 8 connected to the internal thread is opened on the connecting pipe 1. By rotating the sealing block 7, the sealing block 7 is made to stick to both ends of the connecting head 2, thereby further improving the sealing effect of the connecting head 2. It is worth mentioning that the sealing block 7 is hexagonal, which is convenient for people to rotate.

[0028] Specifically, a sealing gasket 9 is fixedly connected to the sealing block 7, and the sealing gasket 9 is affixed to one end of the connector 2, thereby further improving the sealing effect of the connector 2.

[0029] Specifically, a plurality of balls 10 are rotatably connected in the stepped groove 3 , and the balls 10 are in contact with the connecting tube 1 , thereby reducing the friction between the connecting tube 1 and the stepped groove 3 .

[0030] Specifically, a sealing gasket 11 with a built-in through cavity is fixedly connected to the middle of the stepped groove 3. The sealing gasket is mainly used to seal between the connecting pipes 1 to further improve the sealing effect of the connecting pipes 1, while the through cavity is mainly used to transmit liquid.

[0031] The principle of this utility model is: by connecting the stepped end of the connecting pipe 1 with the stepped groove 3, and using the sealing ring 4 to stick to the stepped groove 3, the sealing between the stepped groove 3 and the connecting pipe 1 is achieved. Once the sealing between the stepped groove 3 and the connecting pipe 1 is completed, the limiting block 5 enters the limiting groove 6, thereby fixing the connecting pipe 1.

[0032] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the scope of protection of the present invention.

Claims

1. A joint for automobile air-conditioning pipe, comprising: Two connecting pipes (1) and a connecting head (2), characterized in that: One end of the connecting pipe (1) is arranged in a stepped manner, and a stepped groove (3) is provided on the inner wall of the connecting head (2), and the connecting pipe (1) can enter the stepped groove (3) and abut against the stepped groove (3); A sealing ring (4) is fixedly connected to the connecting pipe (1), and the sealing ring (4) can be attached to the stepped groove (3); The connector (2) is elastically slidably connected to a limiting block (5), and a plurality of limiting grooves (6) for the limiting block (5) to enter are provided on the side wall of the connecting pipe (1).

2. A joint for automobile air conditioning pipe according to claim 1, characterized in that: The connecting pipe (1) is provided with a sealing block (7) with a built-in internal thread, and the connecting pipe (1) is provided with an external thread (8) threadably connected to the internal thread.

3. The connector for automobile air conditioning pipe according to claim 2, characterized in that: The sealing block (7) is fixedly connected with a sealing gasket (9), and the sealing gasket (9) can be attached to one end of the connection.

4. The connector for automobile air conditioning pipe according to claim 1, characterized in that: A plurality of balls (10) are rotatably connected in the stepped groove (3), and the balls (10) can be attached to the inner wall of the connecting pipe (1).

5. The connector for automobile air conditioning pipe according to claim 1, characterized in that: A second sealing gasket (11) is fixedly connected to the middle of the stepped groove (3).

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