Double-seal joint of automobile air conditioner

Abstract

The utility model relates to the technical field of air conditioning equipment, in particular to an automobile air conditioner double-seal joint which comprises an L-shaped air conditioning pipe, one end of the air conditioning pipe is fixedly connected with a limiting ring, a connecting cap is arranged below the limiting ring, an adaptive groove is formed in the bottom end of the connecting cap, and the limiting ring is fixedly connected with the adaptive groove. A first annular table is fixedly connected to the outer wall of the other end of the air conditioner pipe, a second annular table is arranged on the right side of the first annular table, and nuts are arranged on the outer side of the first annular table and the outer side of the second annular table. According to the double-seal joint, the possibility of water leakage at one end of the double-seal joint can be greatly reduced through the arranged adaptive groove and the first sealing ring, and the double-seal joint can provide a better sealing effect when the screw cap is connected through the matching among the first rubber gasket, the second sealing ring and the second rubber gasket, so that the service life of the double-seal joint is prolonged. Therefore, in a vibration environment or under the condition that the temperature change is large, the sealing effect can still be ensured to be good, and a refrigerant cannot be leaked easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning equipment technical field especially relates to a double seal joint of automobile air conditioner. BACKGROUND

[0002] In the automobile air conditioning system, the sealing property of pipeline connection is very important. The traditional automobile air conditioner joint usually adopts single layer sealing structure, mainly relies on single sealing element, such as rubber sealing ring or sealing pad to realize sealing function. However, with the continuous development of automobile technology, the air conditioning system faces more complex and severe working condition requirements.

[0003] The automobile will experience frequent vibration in the running process, and the single layer sealing structure is easy to appear the displacement or wear of sealing element under the long-term vibration environment, thereby leading to the gradual decline of sealing performance, the risk of refrigerant leakage is significantly increased, in the case of large temperature change, for example, high temperature exposure in summer and cold environment in winter, the physical properties of single layer sealing material will change, the change of its elasticity, hardness and other characteristics can weaken the sealing effect, further intensify the possibility of refrigerant leakage. SUMMARY

[0004] The utility model discloses a double seal joint of automobile air conditioner, which can effectively solve the problems of the prior art, such as the displacement or wear of sealing element under the long-term vibration environment, the gradual decline of sealing performance, the risk of refrigerant leakage is significantly increased, in the case of large temperature change, for example, high temperature exposure in summer and cold environment in winter, the physical properties of single layer sealing material will change, the change of its elasticity, hardness and other characteristics can weaken the sealing effect, further intensify the possibility of refrigerant leakage.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A double seal joint of automobile air conditioner, comprising an L-shaped air conditioner pipe, one end of the air conditioner pipe is fixedly connected with a limiting ring, a connecting cap is arranged below the limiting ring, an adaptive groove is formed in the bottom end of the connecting cap, a first annular table is fixedly connected to the outer wall of the other end of the air conditioner pipe, a second annular table is arranged on the right side of the first annular table, and a nut is arranged on the outer side of the first annular table and the second annular table.

[0007] Preferably, the limiting ring and the connecting cap are fixedly connected with connecting ribs in uniform distribution.

[0008] Preferably, the inner wall top end of the adaptive groove is fixedly connected with a first sealing ring.

[0009] Preferably, the left side outer wall of the first annular table is fixedly connected with a first rubber pad, and the left side outer wall of the first rubber pad is in abutment with the inner wall of the nut.

[0010] Preferably, the right side end head outer wall of the air conditioner pipe is provided with a groove, and the groove is provided with a second sealing ring.

[0011] Preferably, the right side outer wall of the second annular table is fixedly connected with a second rubber pad, and the thickness of the second rubber pad is greater than the distance from the second annular table to the right side end head of the air conditioner pipe.

[0012] Compared with the prior art, the automobile air conditioner double-sealing joint has the following beneficial effects:

[0013] In use, the double-sealing joint can greatly reduce the possibility of water leakage at one end of the double-sealing joint through the matching of the first sealing ring and the first rubber pad, and the other end of the double-sealing joint has a three-fold sealing structure through the cooperation of the first rubber pad, the second sealing ring, the second rubber pad, the first annular table, the second annular table and the nut, so that better sealing effect can be provided when the nut is connected, and the sealing joint can still ensure good sealing effect under long-term vibration environment or large temperature change, and the refrigerant cannot easily leak. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the automobile air conditioner double-sealing joint is provided.

[0015] Figure 2 A three-dimensional structure schematic view of the automobile air conditioner double-sealing joint after the nut is removed is provided.

[0016] Figure 3 A sectional view of the automobile air conditioner double-sealing joint is provided. Figure 1 ;

[0017] Figure 4 A sectional view of the automobile air conditioner double-sealing joint is provided. Figure 2 .

[0018] In the drawings: 1, air conditioner pipe; 2, limiting ring; 3, connecting cap; 4, matching groove; 5, first annular table; 6, second annular table; 7, nut; 8, connecting rib; 9, first sealing ring; 10, first rubber pad; 11, groove; 12, second sealing ring; 13, second rubber pad. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, but not all the embodiments, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0020] Referring to Figures 1-4 A double-sealing joint of an automobile air conditioner, comprising an L-shaped air conditioner pipe 1, one end of the air conditioner pipe 1 is fixedly connected with a limiting ring 2, a connecting cap 3 is arranged below the limiting ring 2, an adaptive groove 4 is formed in the bottom end of the connecting cap 3, the outer wall of the other end of the air conditioner pipe 1 is fixedly connected with a first annular table 5, a second annular table 6 is arranged on the right side of the first annular table 5, and a screw cap 7 is arranged on the outer side of the first annular table 5 and the second annular table 6.

[0021] It should be noted that the first sealing ring 9, the first rubber pad 10, the second sealing ring 12 and the second rubber pad 13 are prior art, and the specific type and size need to be selected and determined according to the actual size of the device, and the specific selection calculation method adopts the prior art in the art, so it is not described in detail.

[0022] Further, the limiting ring 2 and the connecting cap 3 are fixedly connected with connecting ribs 8 arranged uniformly.

[0023] The connecting ribs 8 can enhance the connection strength between the limiting ring 2 and the connecting cap 3, so that the connecting cap 3 will not be easily damaged, and the size of the inner wall of the adaptive groove 4 can be adjusted according to the diameter of the connected pipe.

[0024] Further, the inner wall top end of the adaptive groove 4 is fixedly connected with the first sealing ring 9.

[0025] The first sealing ring 9 is arranged on the inner wall top end of the adaptive groove 4, so that the gap between the pipe connected with the adaptive groove 4 and the inner wall top end of the adaptive groove 4 is closed by the first sealing ring 9, preventing the cooling liquid from leaking out of the gap.

[0026] Further, the left outer wall of the first annular table 5 is fixedly connected with the first rubber pad 10, and the left outer wall of the first rubber pad 10 abuts against the inner wall of the screw cap 7.

[0027] The third layer sealing structure of the double-sealing joint of the air conditioner is arranged between the screw cap 7 and the first annular table 5, so that the sealing performance of the screw cap 7 is stronger after being connected.

[0028] Further, the outer wall of the right end of the air conditioner pipe 1 is provided with a groove 11, and the groove 11 is provided with the second sealing ring 12.

[0029] Wherein, the second sealing ring 12 needs to have a certain elasticity, so that the second sealing ring 12 can fill the groove 11, and the size of the second sealing ring 12 can also be adjusted according to requirements, for adapting to different pressure environments.

[0030] Further, the right side outer wall of the second annular table 6 is fixedly connected with the second rubber pad 13, and the thickness of the second rubber pad 13 is greater than the distance from the second annular table 6 to the right end of the air conditioner pipe 1.

[0031] Wherein, the second sealing ring 12 needs to have a certain elasticity, so that the second sealing ring 12 can fill the groove 11, and the size of the second sealing ring 12 can also be adjusted according to requirements, for adapting to different pressure environments.

[0032] Working principle: when the device is connected, the connecting cap 3 below the air conditioner pipe 1 is first pasted with the pipe by waterproof glue, and the first sealing ring 9 is placed on the inner wall top end of the adapting groove 4 before pasting, so that the gap between the pipe and the inner wall top end of the adapting groove 4 is closed by the first sealing ring 9, preventing the cooling liquid from leaking from the gap; then the connection of one end of the side surface of the air conditioner pipe 1 is carried out, the first rubber pad 10, the second sealing ring 12 and the second rubber pad 13 are installed on the corresponding positions, and then the nut 7 is threadedly connected with the other pipe, the triple sealing structure fills the gap in the nut 7, which can provide better sealing effect when the nut 7 is connected.

[0033] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A double-sealed connector for automotive air conditioning, comprising an L-shaped air conditioning pipe (1), characterized in that, One end of the air conditioning pipe (1) is fixedly connected to a limiting ring (2), and a connecting cap (3) is provided below the limiting ring (2). An adapter groove (4) is provided at the bottom end of the connecting cap (3). A first annular platform (5) is fixedly connected to the outer wall of the other end of the air conditioning pipe (1). A second annular platform (6) is provided on the right side of the first annular platform (5). Nuts (7) are provided on the outer sides of the first annular platform (5) and the second annular platform (6).

2. The automotive air conditioning double-sealed joint according to claim 1, characterized in that, The limiting ring (2) and the connecting cap (3) are fixedly connected by a uniformly distributed connecting rib (8).

3. The automotive air conditioning double-sealed joint according to claim 1, characterized in that, The top of the inner wall of the adapter groove (4) is fixedly connected to a first sealing ring (9).

4. The automotive air conditioning double-sealed joint according to claim 1, characterized in that, A first rubber pad (10) is fixedly connected to the left outer wall of the first annular platform (5), and the left outer wall of the first rubber pad (10) abuts against the inner wall of the nut (7).

5. The automotive air conditioning double-sealed joint according to claim 1, characterized in that, A groove (11) is provided on the outer wall of the right end of the air conditioning pipe (1), and a second sealing ring (12) is provided on the groove (11).

6. The automotive air conditioning double-sealed joint according to claim 1, characterized in that, A second rubber pad (13) is fixedly connected to the right outer wall of the second annular platform (6). The thickness of the second rubber pad (13) is greater than the distance from the second annular platform (6) to the right end of the air conditioning pipe (1).

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