Anti-leakage quick connector of heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to an anti-leakage quick connector of a heat exchanger, which comprises two external pipes and a connector pipeline, the outer wall of the connector pipeline is fixedly connected with two support rings distributed left and right, the outer walls of the two external pipes are both provided with locking mechanisms, and each locking mechanism comprises two arc-shaped fixing rings distributed oppositely. Anti-leakage sealing rings are installed in the two arc-shaped fixing rings, locking pipes are arranged on the outer walls of the two supporting rings and the outer walls of the two arc-shaped fixing rings, the anti-leakage sealing rings can be tightly fixed to the outer wall of an external connecting pipe through the arc-shaped fixing rings, and the supporting rings and the arc-shaped fixing rings are fixed together through the locking pipes; therefore, the anti-leakage sealing ring and the supporting ring can be tightly attached together, the phenomenon that the anti-leakage sealing ring is separated from the external connecting pipe due to shaking of the pipeline can be prevented, and the sealing gasket and the anti-leakage sealing ring are matched, so that the purpose of improving the sealing performance of the joint pipeline and the external connecting pipe through double sealing is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to an anti-leakage quick joint for a heat exchanger. Background Art

[0002] Heat exchangers are devices that transfer part of the heat of hot fluid to cold fluid, also known as heat exchangers. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used.

[0003] The leakage-proof quick connector of the existing heat exchanger usually installs a sealing gasket at the connection between the connector and the water pipe to prevent water from leaking out of the pipe.

[0004] The above device has a simple structure. When the pipeline shakes, a gap may appear at the connection between the joint and the water pipe. Leakage may still occur with only a single sealing ring, and the sealing effect needs to be improved. Therefore, it is necessary to propose a leak-proof quick joint for the heat exchanger to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a leak-proof quick connector for a heat exchanger, which has the characteristics of achieving double sealing by matching a sealing pad with an leak-proof sealing ring, thereby improving the sealing performance of a connector pipeline and an external pipe.

[0006] The utility model aims to provide a leakage-proof quick connector for a heat exchanger, comprising two external tubes and a joint pipe, wherein the outer wall of the joint pipe is fixedly connected to two support rings distributed on the left and right, the outer walls of the two external tubes are each provided with a locking mechanism, the locking mechanism comprises two relatively distributed arc-shaped fixing rings, the interiors of the two arc-shaped fixing rings are each provided with a leakage-proof sealing ring, and the outer walls of the two support rings and the outer walls of the two arc-shaped fixing rings are provided with locking tubes.

[0007] In order to facilitate the preliminary sealing of the joint pipe and the external pipe, as a preferred anti-leakage quick joint of the heat exchanger of the utility model, annular grooves are provided at both ends of the joint pipe, and sealing gaskets are installed inside the two annular grooves. The opposite sides of the two external pipes are respectively located inside the two annular grooves and are tightly fitted with the two sealing gaskets respectively.

[0008] In order to facilitate the tight fit between the anti-leakage sealing ring and the external pipe, as a preferred anti-leakage quick connector of the heat exchanger of the utility model, the two arc-shaped fixing rings are detachably connected by bolts.

[0009] In order to facilitate the close fitting of the support ring and the arc-shaped fixing ring, as a preferred anti-leakage quick connector of the heat exchanger of the utility model, the outer walls of the two support rings and the arc-shaped fixing ring are provided with external thread grooves, and the interior of the locking tube is provided with internal thread grooves matching the external thread grooves, and the internal thread grooves are threadedly connected to the external thread grooves.

[0010] In order to increase the sealing performance between the annular groove and the external pipe, as a preferred anti-leakage quick connector of the heat exchanger of the utility model, the diameter of the two annular grooves matches the diameter of the two external pipes.

[0011] In order to further improve the sealing performance between the joint pipe and the external pipe, as a preferred anti-leakage quick joint of the heat exchanger of the utility model, the anti-leakage sealing ring is arranged in an "L" shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model can perform preliminary sealing between the joint pipe and the external pipe by installing a sealing gasket between the annular groove and the external pipe, and can tightly fix the anti-leakage sealing ring to the outer wall of the external pipe by the arc-shaped fixing ring, and fix the supporting ring and the arc-shaped fixing ring together by the locking tube, so that the anti-leakage sealing ring and the supporting ring can be tightly fitted together, and can prevent the anti-leakage sealing ring from being separated from the external pipe due to the shaking of the pipe, and the cooperation of the sealing gasket and the anti-leakage sealing ring can achieve the purpose of double sealing to improve the sealing performance of the joint pipe and the external pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 It is the overall cross-sectional structural diagram of the utility model;

[0016] Figure 3 This is a structural diagram of the arc-shaped fixing ring and the anti-leakage sealing ring of the utility model;

[0017] In the figure: 1. external pipe; 2. joint pipe; 3. locking pipe; 4. arc-shaped fixing ring; 5. anti-leakage sealing ring; 6. annular groove; 7. sealing gasket; 8. internal thread groove; 9. support ring; 10. external thread groove. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3The anti-leakage quick connector of the heat exchanger includes two external tubes 1 and a joint pipe 2. The outer wall of the joint pipe 2 is fixedly connected to two support rings 9 distributed on the left and right. The outer walls of the two external tubes 1 are each provided with a locking mechanism. The locking mechanism includes two relatively distributed arc-shaped fixing rings 4. The insides of the two arc-shaped fixing rings 4 are both installed with anti-leakage sealing rings 5. The outer walls of the two support rings 9 and the outer walls of the two arc-shaped fixing rings 4 are provided with locking tubes 3.

[0019] In this embodiment: the anti-leakage sealing ring 5 can be tightly fixed to the outer wall of the external tube 1 through the arc-shaped fixing ring 4, and the support ring 9 and the arc-shaped fixing ring 4 are fixed together through the locking tube 3, so that the anti-leakage sealing ring 5 and the support ring 9 can be tightly fitted together, which can prevent the anti-leakage sealing ring 5 from being separated from the external tube 1 due to the shaking of the pipeline.

[0020] As a technical optimization solution of the utility model, annular grooves 6 are provided at both ends of the joint pipe 2, and sealing gaskets 7 are installed inside the two annular grooves 6. The opposite sides of the two external pipes 1 are respectively located inside the two annular grooves 6 and are tightly fitted with the two sealing gaskets 7 respectively.

[0021] In this embodiment, by installing a sealing gasket 7 between the annular groove 6 and the external pipe 1 , a preliminary seal can be performed between the joint pipe 2 and the external pipe 1 .

[0022] As a technical optimization solution of the utility model, the two arc-shaped fixing rings 4 are detachably connected by bolts.

[0023] In this embodiment, the two arc-shaped fixing rings 4 are detachably connected by bolts, so that the anti-leakage sealing ring 5 and the external pipe 1 can be conveniently locked.

[0024] As a technical optimization solution of the utility model, the outer walls of the two support rings 9 and the arc-shaped fixing ring 4 are both provided with external thread grooves 10, and the interior of the locking tube 3 is provided with internal thread grooves 8 matching the external thread grooves 10, and the internal thread grooves 8 are threadedly connected to the external thread grooves 10.

[0025] In this embodiment, the internal thread groove 8 and the external thread groove 10 are threadedly connected, so that the support ring 9 and the arc-shaped fixing ring 4 can be closely fitted.

[0026] As a technical optimization solution of the present invention, the diameters of the two annular grooves 6 match the diameters of the two external pipes 1 .

[0027] In this embodiment, the sealing performance between the annular grooves 6 and the external tubes 1 can be increased by matching the diameters of the two annular grooves 6 with the diameters of the two external tubes 1 .

[0028] As a technical optimization solution of the utility model, the anti-leakage sealing ring is arranged in an "L" shape.

[0029] In this embodiment, the sealing performance between the joint pipe 2 and the external pipe 1 can be further improved by setting the anti-leakage sealing ring 5 in an "L" shape.

[0030] Working principle: When in use, first install the two arc-shaped fixing rings 4 on the outer wall of the external tube 1 by bolts, and then connect the two external tubes 1 to the joint pipe 2 through the annular groove 6. The sealing gaskets 7 installed inside the annular groove 6 are tightly fitted with one end of the two external tubes 1 respectively, so as to achieve the effect of preliminary sealing between the joint pipe 2 and the external tube 1. At the same time, the support ring 9 is abutted against the anti-leakage sealing ring 5. Secondly, the support ring 9 and the arc-shaped fixing ring 4 are fixed by threads through the locking tube 3, which further improves the sealing effect between the joint pipe 2 and the external tube 1.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A leak-proof quick connector for a heat exchanger, comprising two external pipes (1) and a connector pipe (2). Features: The outer wall of the joint pipe (2) is fixedly connected to two support rings (9) distributed on the left and right, and the outer walls of the two external pipes (1) are each provided with a locking mechanism, and the locking mechanism comprises two relatively distributed arc-shaped fixing rings (4), and the interiors of the two arc-shaped fixing rings (4) are each provided with an anti-leakage sealing ring (5), and the outer walls of the two support rings (9) and the outer walls of the two arc-shaped fixing rings (4) are provided with locking tubes (3).

2. The anti-leakage quick connector for heat exchanger according to claim 1, Features: The left and right ends of the joint pipe (2) are both provided with annular grooves (6), and sealing gaskets (7) are installed inside the two annular grooves (6). The opposite sides of the two external pipes (1) are respectively located inside the two annular grooves (6) and are respectively tightly fitted with the two sealing gaskets (7).

3. The anti-leakage quick connector for heat exchanger according to claim 1, Features: The two arc-shaped fixing rings (4) are detachably connected via bolts.

4. The anti-leakage quick connector for heat exchanger according to claim 1, Features: The outer walls of the two support rings (9) and the arc-shaped fixing ring (4) are both provided with external thread grooves (10), and the interior of the locking tube (3) is provided with internal thread grooves (8) matching the external thread grooves (10), and the internal thread grooves (8) are threadedly connected to the external thread grooves (10).

5. The anti-leakage quick connector for heat exchanger according to claim 2, Features: The diameters of the two annular grooves (6) match the diameters of the two external pipes (1).

6. The anti-leakage quick connector for heat exchanger according to claim 1, Features: The anti-leakage sealing ring (5) is arranged in an "L" shape.

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