Automobile air conditioner refrigerating system pipeline with double-sealing structure

By employing a double-sealed structure in the automotive air conditioning refrigeration system piping, and utilizing a combination design of movable brackets, connecting rods, and limiting blocks, the sealing problem at the pipe connection points is solved, enhancing the sealing effect and improving the system's reliability and operational reliability.

CN223725693UActive Publication Date: 2025-12-26JIANGSU TENGCHI TECH CO LTD
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Patent Information

Application Number
CN202520537294.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-26
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The poor sealing of pipe connections in existing automotive air conditioning refrigeration systems leads to refrigerant leakage, affecting cooling performance and increasing operating costs and environmental pollution.

Method used

The system adopts a double-seal structure, including a first seal and a sealing ring on the outside of the connector, which are applied in two layers to the outside of the adapter. Combined with the design of the movable frame, connecting rod and limiting block, the limiting block is driven into the limiting groove by the rotation of the screw, which enhances the sealing and firmness between the connector and the adapter.

Benefits of technology

It achieves double sealing at pipe connections, preventing loosening and leakage, improving cooling efficiency, reducing refrigerant waste and operating costs, and protecting the environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223725693U_ABST
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Abstract

The utility model relates to the field of automobile air conditioner pipelines, in particular to an automobile air conditioner refrigerating system pipeline with a double-sealing structure, which comprises an automobile refrigerating pipeline. The reinforcing frame is fixed to the outer portion of the automobile refrigeration pipeline and used for installation. According to the automobile air conditioner refrigerating system pipeline with the double-sealing structure, due to the arrangement of the connecting assembly and the reinforcing sealing mechanism, the adapter is arranged on the threaded cylinder outside the connector in a sleeving mode and screwed tightly, and the first sealing piece and the sealing ring which are arranged on the outer portion and the front side of the connector are attached to the exterior of the adapter in a double-layer mode, so that the sealing performance between the adapter and the first sealing piece is enhanced; meanwhile, the situations of looseness and leakage are avoided, movable frames on the upper side and the lower side of a connector and a connecting rod and a limiting block in the connector are overturned on the rear side of an adapter, then a rotating handle is rotated to drive a screw to rotate, the screw rotates to drive the connecting rod and the limiting block outside to slide towards the inner sides of the movable frames, and the limiting block is clamped in a limiting groove in the rear side of the adapter; and therefore, the firmness and the sealing performance are enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile air conditioning pipeline, specifically relates to a kind of automobile air conditioning refrigeration system pipeline with double sealing structure. BACKGROUND

[0002] Automobile air conditioning pipeline is the key component in automobile air conditioning system, it is responsible for connecting each main component of air conditioning system to realize orderly work, and the working principle of automobile air conditioning pipeline is to use the physical change process of refrigerant in pipeline, such as compression, condensation, expansion and evaporation, to realize the cooling and drying of air in automobile, specifically, high-pressure pipeline is responsible for sending high-temperature and high-pressure refrigerant compressed by compressor, releasing heat through condenser, and cooling by expansion valve, while low-pressure pipeline is responsible for absorbing heat in indoor air through evaporator by low-temperature and low-pressure refrigerant cooled, to achieve cooling effect, and then return to compressor through low-pressure pipeline to enter circulation.

[0003] The sealing effect of the existing automobile air conditioning refrigeration system pipeline is not good, and the automobile air conditioning refrigeration system realizes refrigeration effect through the circulation of refrigerant in pipeline, when the sealing structure of pipeline is poor, refrigerant will overflow from leakage point, resulting in insufficient refrigerant, thus reducing the refrigeration effect, which not only slows down the speed of air conditioning refrigeration, but also may completely fail to refrigerate, and refrigerant leakage will cause waste of refrigerant, which needs frequent replenishment of refrigerant, increasing the use cost.

[0004] Therefore, it is necessary to invent a kind of automobile air conditioning refrigeration system pipeline with double sealing structure to solve the above problems. CONTENT OF UTILITY MODEL

[0005] The utility model discloses a purpose lies in providing a kind of automobile air conditioner refrigeration system pipeline with double sealing structure, by adapter sleeve on the thread cylinder outside connecting head is tightened, and the first sealing piece of connecting head outside and front side is double pasted in adapter outside, to strengthen the sealing between, simultaneously avoid the situation of loose leakage, the movable frame of connecting head upside and downside is overturned with the connecting rod and the limiting block inside in adapter rear side, then rotate hand and drive screw rotation, utilize screw rotation and drive the connecting rod and the limiting block of outside inside movable frame sliding, so that limiting block is clamped in the limiting groove of adapter rear side, to strengthen the firmness and sealing between, to solve the automobile air conditioner refrigeration system pipeline of existing in the background art, the sealing effect of connected place is not good, and automobile air conditioner refrigeration system realizes refrigeration effect by the circulation of refrigerant in pipeline, when pipeline sealing structure is poorer, refrigerant will overflow from leakage point, leading to refrigerant deficiency, to reduce refrigeration effect, not only will slow down the speed of air conditioner refrigeration, possibly even completely cannot refrigerate, and refrigerant leakage will lead to the waste of refrigerant, need to frequently supplement refrigerant, increase use cost.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of automobile air conditioner refrigeration system pipeline with double sealing structure, including automobile refrigeration pipeline;

[0007] Reinforcing frame is fixed outside the automobile refrigeration pipeline for installation, the gasket is provided on the top of reinforcing frame, the bolt is penetrated in the inside of gasket, the nut is threadedly connected to the one end of bolt, the interface is set in the rear end of automobile refrigeration pipeline;

[0008] Connecting assembly is fixed in one end of automobile refrigeration pipeline for connection, the connecting assembly includes connecting head, the one end of connecting head is fixedly connected with thread cylinder, the thread of thread cylinder is sleeved with adapter, the first sealing piece is inlaid in the outside of connecting head, the sealing ring is inlaid in the front end of connecting head, the limiting groove is set in the rear end of adapter upside and downside;

[0009] Reinforcing sealing mechanism is arranged in connecting head upside and downside for reinforcing sealing, the reinforcing sealing mechanism includes fixed frame, the fixed frame is fixed in connecting head upside and downside, the movable frame is rotatably connected in the inside of fixed frame, the connecting rod is slidably connected in the inside of movable frame, the limiting block is fixedly connected in the front end of connecting rod.

[0010] Preferably, the connecting head is threadedly connected with the adapter, and the first sealing piece and the sealing ring are respectively sleeved outside the connecting head.

[0011] Preferably, the rear end of the movable frame is provided with a hand, one end of the hand is fixedly connected with a screw rod, and the connecting rod is threadedly connected with the screw rod.

[0012] Preferably, the movable frame is movably sleeved with the connecting rod, and the movable frame and the connecting rod are arranged in a rectangular shape.

[0013] Preferably, the limiting block is movably clamped with the rear limiting groove of the adapter, and the limiting groove is symmetrically arranged with the rear middle axis of the adapter.

[0014] Preferably, the inner part of the interface is provided with an internal thread, and the inner part of the interface is inlaid with a second sealing element.

[0015] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0016] The utility model discloses a connecting assembly and reinforcing sealing mechanism are arranged, and the double-layer sealing between the connecting head and the adapter required to be connected is strengthened, the threaded barrel of the adapter is screwed on the outside of the connecting head, and the double-layer of the first sealing element and the sealing ring on the outside of the connecting head and the front side is pasted on the outside of the adapter, thereby the sealing between them is strengthened, and the loosening and leakage are avoided, the movable frame on the upper and lower sides of the connecting head, the connecting rod and the limiting block in the inside are turned on the rear side of the adapter, and then the handle is rotated to drive the screw to rotate, the connecting rod and the limiting block on the outside are slid to the inside of the movable frame by the rotation of the screw, the limiting block is clamped in the limiting groove on the rear side of the adapter, and thereby the firmness and the sealing between them are strengthened. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the connecting head structure schematic diagram of the utility model;

[0020] Figure 3 It is the connecting assembly structure schematic diagram of the utility model;

[0021] Figure 4 It is the reinforcing sealing mechanism structure schematic diagram of the utility model;

[0022] Figure 5 It is the interface structure schematic diagram of the utility model.

[0023] Explanation of reference signs:

[0024] 1, automobile refrigeration pipeline; 2, reinforcing frame; 3, gasket; 4, bolt; 5, nut; 6, connecting assembly; 601, connecting head; 602, threaded barrel; 603, adapter; 604, first sealing element; 605, sealing ring; 606, limiting groove; 7, reinforcing sealing mechanism; 701, fixed frame; 702, movable frame; 703, rotating handle; 704, screw; 705, connecting rod; 706, limiting block; 8, interface; 9, internal thread; 10, second sealing element. DETAILED DESCRIPTION

[0025] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0026] The utility model provides a kind of automobile air conditioning refrigeration system pipeline with double sealing structure as shown in Figures 1-5 The utility model provides a kind of automobile air conditioning refrigeration system pipeline with double sealing structure as shown in

[0027] Reinforcing frame 2 is fixed in the outside of automobile refrigeration pipeline 1, for installation, the upper portion of reinforcing frame 2 is provided with gasket 3, bolt 4 is penetrated in the inside of gasket 3, one end of bolt 4 is connected with nut 5 by screw thread, and the rear end of automobile refrigeration pipeline 1 is provided with interface 8;

[0028] Connecting assembly 6 is fixed in one end of automobile refrigeration pipeline 1, for connection, and connecting assembly 6 includes connecting head 601, one end of connecting head 601 is fixedly connected with threaded barrel 602, threaded barrel 602 is provided with adapter 603 by screw thread, the outside of connecting head 601 is embedded with first sealing element 604, the front end of connecting head 601 is embedded with sealing ring 605, and limiting groove 606 is formed in the upper and lower side of the rear end of adapter 603;

[0029] The reinforcing sealing mechanism 7 is arranged on the upper and lower sides of the connector 601, and is used for reinforcing sealing. The reinforcing sealing mechanism 7 comprises a fixed frame 701 fixed on the upper and lower sides of the connector 601. The fixed frame 701 is rotatably connected with a movable frame 702 in the interior of the fixed frame 701. The movable frame 702 is slidably connected with a connecting rod 705 in the interior of the movable frame 702. The front end of the connecting rod 705 is fixedly connected with a limiting block 706. The threaded cylinder 602 of the adapter 603 is screwed on the outside of the connector 601. The first sealing element 604 and the sealing ring 605 are double-layered on the outside of the adapter 603. Thus, the sealing property between the connector 601 and the adapter 603 is enhanced, and the loosening and leakage are avoided. The movable frame 702 on the upper and lower sides of the connector 601, the connecting rod 705 and the limiting block 706 are turned on the rear side of the adapter 603. The screw rod 704 is rotated by rotating the rotating handle 703. The connecting rod 705 and the limiting block 706 are slid to the interior of the movable frame 702. The limiting block 706 is clamped in the limiting groove 606 on the rear side of the adapter 603. Thus, the firmness and the sealing property between the connector 601 and the adapter 603 are enhanced.

[0030] As shown in Figure 2 and Figure 3 , the connector 601 is threadedly connected with the adapter 603. The first sealing element 604 and the sealing ring 605 are respectively sleeved on the outside of the connector 601. When the adapter 603 is screwed on the outside of the connector 601, the connector 601 is expanded and contracted to press the first sealing element 604 and the sealing ring 605. Thus, the sealing property between the connector 601 and the adapter 603 is enhanced.

[0031] As shown in Figure 4 , the rear end of the movable frame 702 is provided with the rotating handle 703. One end of the rotating handle 703 is fixedly connected with the screw rod 704. The connecting rod 705 is threadedly connected with the screw rod 704. The screw rod 704 is rotated by rotating the rotating handle 703. The connecting rod 705 is expanded and contracted in the movable frame 702. The connecting rod 705 and the limiting block 706 are inserted into the limiting groove 606 on the rear side of the adapter 603. Thus, the firmness and the sealing property between the connector 601 and the adapter 603 are enhanced.

[0032] As shown in Figure 4 , the movable frame 702 and the connecting rod 705 are movably sleeved. The movable frame 702 and the connecting rod 705 are rectangularly arranged. When the connecting rod 705 is expanded and contracted in the movable frame 702, the distance between the connecting rod 705 and the limiting block 706 can be adjusted. Thus, the connection between the connector 601 and the adapter 603 is enhanced, and the leakage is avoided.

[0033] As shown in Figure 3 and Figure 4As shown, the limiting block 706 is movably connected with the rear limiting groove 606 of the adapter 603, the limiting groove 606 is symmetrically arranged with the rear middle axis of the adapter 603, and the two groups of connecting rods 705 and the limiting block 706 are inserted into the limiting groove 606 at the rear side of the adapter 603, so that the connecting head 601 and the adapter 603 are firmly connected, and the leakage caused by loosening is prevented.

[0034] As shown in Figure 1 and Figure 5 The inner part of the interface 8 is provided with an internal thread 9, and the inner part of the interface 8 is inlaid with a second sealing element 10. When the interface 8 is connected with other equipment, the connection can be strengthened through the internal thread 9, and the second sealing element 10 in the inner part can make the connection between the interface 8 and other equipment more sealed.

[0035] The utility model works as follows: when the automobile refrigeration pipeline 1 is installed at the automobile air conditioner refrigeration position, then the interface 8 is screwed with the required equipment, the second sealing element 10 in the inner part of the interface 8 is used to make the connection more sealed, then the connecting head 601 at the other side of the automobile refrigeration pipeline 1 is connected with the adapter 603 of other equipment, the adapter 603 is screwed on the threaded barrel 602 outside the connecting head 601, and the first sealing element 604 and the sealing ring 605 outside the connecting head 601 and the front side are double-layered on the adapter 603, so that the sealing between them is strengthened, then in order to avoid the loosening and leakage of the connection between the two, the movable frame 702 on the upper and lower sides of the connecting head 601 is turned over with the connecting rod 705 and the limiting block 706 inside the adapter 603, then the rotating handle 703 is rotated to drive the screw rod 704 to rotate, the connecting rod 705 and the limiting block 706 outside are slid to the inner side of the movable frame 702, and the limiting block 706 is clamped in the limiting groove 606 at the rear side of the adapter 603 in the moving process, so that the firmness and the sealing between them are strengthened, and the use process of the automobile air conditioner refrigeration system pipeline with the double-sealing structure is completed.

[0036] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. An automotive air conditioning refrigeration system line having a double seal structure, characterized by: Including the automobile refrigeration pipeline (1); The reinforcing frame (2) is fixed outside the automobile refrigeration pipeline (1), and is used for mounting. The reinforcing frame (2) is provided with a gasket (3) on the upper side. The gasket (3) is penetrated by a bolt (4). One end of the bolt (4) is threadedly connected with a nut (5). The rear end of the automobile refrigeration pipeline (1) is provided with an interface (8). The connecting assembly (6) is fixed at one end of the automobile refrigeration pipeline (1) and is used for connecting. The connecting assembly (6) comprises a connecting head (601). One end of the connecting head (601) is fixedly connected with a threaded cylinder (602). The threaded cylinder (602) is threadedly provided with an adapter (603). The outer side of the connecting head (601) is embedded with a first sealing element (604). The front end of the connecting head (601) is embedded with a sealing ring (605). The rear end of the adapter (603) is provided with a limiting groove (606) on the upper and lower sides. The reinforcing sealing mechanism (7) is arranged on the upper and lower sides of the connecting head (601) and is used for reinforcing sealing. The reinforcing sealing mechanism (7) comprises a fixed frame (701). The fixed frame (701) is fixed on the upper and lower sides of the connecting head (601). The inner side of the fixed frame (701) is rotatably connected with a movable frame (702). The inner side of the movable frame (702) is slidably connected with a connecting rod (705). The front end of the connecting rod (705) is fixedly connected with a limiting block (706).

2. The automobile air conditioning refrigeration system pipeline with double sealing structure according to claim 1, characterized in that: The connecting head (601) is threadedly connected with the adapter (603). The first sealing element (604) and the sealing ring (605) are respectively arranged on the outer side of the connecting head (601).

3. The automobile air conditioning refrigeration system pipeline with double sealing structure according to claim 1, characterized in that: The rear end of the movable frame (702) is provided with a handle (703). One end of the handle (703) is fixedly connected with a screw rod (704). The connecting rod (705) is threadedly connected with the screw rod (704).

4. The automotive air conditioning refrigeration system line with double seal structure according to claim 1, characterized in that: The movable frame (702) and the connecting rod (705) are movably sleeved. The movable frame (702) and the connecting rod (705) are arranged in a rectangular shape.

5. The automotive air conditioning refrigeration system line with double seal structure according to claim 1, characterized in that: The limiting block (706) is movably connected with the limiting groove (606) on the rear side of the adapter (603). The limiting groove (606) is symmetrically arranged on the rear side of the adapter (603) with the middle axis as the center.

6. The automotive air conditioning refrigeration system line with double seal structure according to claim 1, characterized in that: The inner side of the interface (8) is provided with an internal thread (9). The inner side of the interface (8) is embedded with a second sealing element (10).