Improved automobile air conditioner evaporator drainage structure

Abstract

The utility model discloses an improved automobile air conditioner evaporator drainage structure belongs to air conditioner evaporator related technical field, including the water collecting tank of fixed installation in the evaporator body bottom, one side of water collecting tank is equipped with the overflow pipe of fixed installation, and the bottom of water collecting tank is equipped with the drain pipe of fixed installation, and the bottom of drain pipe is fixedly connected with the mounting disc no.

Description

Technical Field

[0001] This utility model belongs to the technical field of air conditioning evaporators, specifically an improved drainage structure for automotive air conditioning evaporators. Background Technology

[0002] As a crucial component of automotive air conditioning, the evaporator is a core part of the refrigeration cycle. Its function is to achieve cooling by exchanging heat between the low-temperature refrigerant and the hot air flowing over its surface. During this process, water vapor in the air condenses into liquid water upon contact with the cold surface and adheres to the evaporator's low-temperature surface. To ensure the system's normal operation and prevent condensation from accumulating and entering the passenger compartment with the airflow, this condensate must be drained from the vehicle promptly and effectively. Therefore, the reliability of the evaporator's drainage structure directly affects the air quality inside the passenger compartment and the long-term safety of the vehicle.

[0003] Currently, the drainage structure of automotive air conditioning evaporators basically uses a single drain pipe installed at the bottom of the water tank for drainage. The drain pipe outlet is open and does not have a backflow prevention function. When washing the car or driving through flooded areas, dirty water from the outside can easily enter the evaporator through the drain pipe, causing backflow. In addition, external dust and impurities can also easily enter the drain pipe and combine with condensate to cause blockage. There is a lack of good protective measures. Utility Model Content

[0004] This utility model provides an improved drainage structure for automotive air conditioning evaporators, which can effectively solve the problem of the lack of backflow prevention measures in the existing automotive air conditioning evaporator drainage structures: An improved automotive air conditioning evaporator drainage structure includes a water collection tank fixedly installed at the bottom of the evaporator body. An overflow pipe is fixedly installed on one side of the water collection tank, and a drain pipe is fixedly installed at the bottom of the water collection tank. A first mounting plate is fixedly connected to the bottom of the drain pipe, a second mounting plate is fixedly connected to the bottom of the first mounting plate, and an anti-backflow component is fixedly connected to the bottom of the second mounting plate.

[0005] As a further technical solution of this utility model, the anti-backflow component includes a water inlet pipe, a storage pipe is fixedly connected to the bottom of the water inlet pipe, and a rubber nozzle is fixedly connected to the bottom of the storage pipe, with a drain outlet at the bottom of the rubber nozzle.

[0006] As a further technical solution of this utility model, the top end of the water inlet pipe is fixedly connected to the bottom of the second mounting plate and communicates with the inside of the drain pipe.

[0007] As a further technical solution of this utility model, the two sides of the storage tube are arranged in a downward sloping shape, and the storage tube is elastic.

[0008] As a further technical solution of this utility model, the bottom of the rubber nozzle is arc-shaped and hollow inside, and the drain outlet does not penetrate through both sides of the rubber nozzle.

[0009] As a further technical solution of this utility model, two inclined guide blocks are integrally installed at the bottom of the water collection tank, and slots are opened on the bottom surface and side wall of the water collection tank, with the bottom slot located between the two inclined guide blocks.

[0010] As a further technical solution of this utility model, the slot located on the side wall of the water collection tank is connected to the overflow pipe, and the slot located at the bottom is connected to the drain pipe.

[0011] As a further technical solution of this utility model, the overflow pipe and the drain pipe are externally connected to a stable bracket. The stable bracket includes two symmetrically arranged clamping rods. The opposite surfaces of the two clamping rods are provided with arc-shaped grooves for clamping the overflow pipe and the drain pipe. Both ends of the two clamping rods are fixedly connected to a fixing frame. A vertical rod is fixedly installed in the middle of the top of the clamping rod.

[0012] As a further technical solution of this utility model, the fixing frame is U-shaped, and an anti-loosening nut is threadedly connected to the end of the fixing frame and the clamping rod.

[0013] As a further technical solution of this utility model, two parallel fixing plates are fixedly installed at the bottom of the water collection tank, and two anti-loosening nuts are threadedly connected to the inner side of the fixing plates and the vertical rod.

[0014] The beneficial effects of this utility model are as follows: By setting up an anti-backflow component, the condensate water flows down from the drain pipe into the storage pipe, and then into the rubber nozzle. When the rubber nozzle is pressed, the drain outlet opens, allowing the condensate water to flow out. After the condensate water is drained, the rubber nozzle automatically closes due to its elasticity, thus preventing external water from flowing back into the drain pipe. At the same time, when not draining, the closed rubber nozzle prevents external dust and impurities from entering the drain pipe and combining with the condensate water, effectively reducing the probability of blockage in the drain pipe. Furthermore, the closed rubber nozzle also prevents water from flowing back into the evaporator body and causing damage to the air conditioner when washing the car or passing through a water-collecting section. Furthermore, an overflow pipe is installed. In addition to the backflow prevention component, even if the connection between the drain pipe and the water collection tank is blocked, the overflow pipe can still drain the water inside the water collection tank, preventing excessive water accumulation inside the water collection tank from affecting the normal use of the evaporator body. By setting up a stabilizing bracket, the overflow pipe and the drain pipe are limited by the stabilizing bracket, so that the overflow pipe and the drain pipe can still maintain good stability when the car is moving, thereby ensuring the stability and smoothness of the drainage direction. Attached Figure Description

[0015] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural diagram of the anti-backflow component of this utility model; Figure 3 This is a cross-sectional view of the water tank in this utility model; Figure 4 This is a bottom view of the rubber nozzle of this utility model; Figure 5 This is a structural diagram of the stabilizing bracket of this utility model.

[0017] In the diagram: 1. Evaporator body; 2. Water collection tank; 3. Stabilizing bracket; 301. Clamping rod; 302. Vertical rod; 303. Fixing frame; 304. Arc-shaped groove; 4. Drain pipe; 5. Anti-backflow component; 501. Water inlet pipe; 502. Storage pipe; 503. Rubber nozzle; 504. Drain outlet; 6. Mounting plate one; 7. Mounting plate two; 8. Angled guide block; 9. Groove; 10. Fixing plate; 11. Overflow pipe. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] like Figures 1-5 As shown, an improved automotive air conditioner evaporator drainage structure includes a water collection tank 2 fixedly installed at the bottom of the evaporator body 1, an overflow pipe 11 fixedly installed on one side of the water collection tank 2, and a drain pipe 4 fixedly installed at the bottom of the water collection tank 2. A mounting plate 1 6 is fixedly connected to the bottom of the drain pipe 4, a mounting plate 2 7 is fixedly connected to the bottom of the mounting plate 1 6, and an anti-backflow component 5 is fixedly connected to the bottom of the mounting plate 2 7.

[0020] The anti-backflow component 5 includes a water inlet pipe 501, a storage pipe 502 is fixedly connected to the bottom of the water inlet pipe 501, and a rubber nozzle 503 is fixedly connected to the bottom of the storage pipe 502. A drain outlet 504 is provided at the bottom of the rubber nozzle 503.

[0021] After the condensate enters the storage pipe 502 through the drain pipe 4, it is discharged downwards. The rubber nozzle 503 is opened under pressure, so that the condensate can be discharged downwards.

[0022] The top of the water inlet pipe 501 is fixedly connected to the bottom of the mounting plate 2 7 and is connected to the inside of the drain pipe 4.

[0023] The storage pipe 502 has downward-sloping sides and is flexible. The slope of the storage pipe 502 allows water to be quickly guided downwards, increasing drainage speed and facilitating rapid downward accumulation of condensate.

[0024] The bottom of the rubber nozzle 503 is arc-shaped and hollow inside, and the drain outlet 504 does not penetrate through both sides of the rubber nozzle 503.

[0025] Two inclined guide blocks 8 are integrally installed on the bottom of the water collection tank 2. The bottom surface and side walls of the water collection tank 2 are provided with slots 9, with the slots 9 at the bottom located between the two inclined guide blocks 8. The inclined guide blocks 8 are designed to allow condensate to quickly concentrate at the slots 9, preventing condensate from remaining inside the water collection tank 2.

[0026] The slot 9 located on the side wall of the water collection tank 2 is connected to the overflow pipe 11, and the slot 9 located at the bottom is connected to the drain pipe 4.

[0027] An external stabilizing bracket 3 is connected to the overflow pipe 11 and the drain pipe 4. The stabilizing bracket 3 includes two symmetrically arranged clamping rods 301. The opposite surfaces of the two clamping rods 301 are provided with arc-shaped grooves 304 for clamping the overflow pipe 11 and the drain pipe 4. Both ends of the two clamping rods 301 are fixedly connected to a fixing frame 303. A vertical rod 302 is fixedly installed in the middle of the top of the clamping rods 301. The fixing frame 303 is U-shaped. A locking nut is threaded through the fixing frame 303 and the end of the clamping rod 301.

[0028] The overflow pipe 11 and the drain pipe 4 are stabilized by the stabilizing bracket 3 to prevent the drain pipe 4 from shaking due to vibration during vehicle operation, thereby improving drainage stability and smoothness.

[0029] Two parallel fixing plates 10 are fixedly installed at the bottom of the water collection tank 2. Two anti-loosening nuts are threaded through the fixing plates 10 and connected to the inner side of the vertical rod 302.

[0030] An improved automotive air conditioner evaporator drainage structure, in use, firstly, the condensate generated by the evaporator body 1 during operation falls from the fin surface into the water collection tank 2, is guided by the inclined guide block 8, and is concentrated at the bottom slot 9, then enters the interior of the drain pipe 4, and subsequently enters the interior of the anti-backflow component 5.

[0031] When condensate enters the anti-backflow component 5, it first enters the storage pipe 502 and then the rubber nozzle 503. When the rubber nozzle 503 is pressurized, the drain outlet 504 opens to discharge the condensate. After the condensate is discharged, the rubber nozzle 503 automatically closes under its own elasticity, thereby preventing external water from backflowing into the drain pipe 4.

[0032] When the connection between the drain pipe 4 and the water collection tank 2 is blocked, the condensate accumulates inside the water collection tank 2. When it reaches the slot 9 on the side wall, it enters the overflow pipe 11 and finally enters the drain pipe 4 from the overflow pipe 11. This effectively prevents the condensate from accumulating inside the water collection tank 2 when a blockage occurs.

[0033] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. An improved automotive air conditioning evaporator drainage structure, comprising a water collection tank (2) fixedly installed at the bottom of the evaporator body (1), characterized in that, An overflow pipe (11) is fixedly installed on one side of the water collection tank (2), and a drain pipe (4) is fixedly installed at the bottom of the water collection tank (2). An installation plate one (6) is fixedly connected to the bottom of the drain pipe (4), and an installation plate two (7) is fixedly connected to the bottom of the installation plate one (6). An anti-backflow component (5) is fixedly connected to the bottom of the installation plate two (7).

2. The improved automotive air conditioning evaporator drainage structure according to claim 1, characterized in that, The anti-backflow component (5) includes a water inlet pipe (501), a storage pipe (502) is fixedly connected to the bottom of the water inlet pipe (501), and a rubber nozzle (503) is fixedly connected to the bottom of the storage pipe (502). A drain outlet (504) is provided at the bottom of the rubber nozzle (503).

3. The improved water drainage structure of an evaporator of an automobile air conditioner according to claim 2, characterized in that, The top of the water inlet pipe (501) is fixedly connected to the bottom of the mounting plate 2 (7) and communicates with the inside of the drain pipe (4).

4. The improved water drainage structure of an evaporator of an automobile air conditioner according to claim 2, wherein The storage tube (502) has downward sloping sides and is elastic.

5. The improved water drainage structure of an evaporator of an automobile air conditioner according to claim 2, wherein The bottom of the rubber nozzle (503) is arc-shaped and hollow inside, and the drain outlet (504) does not penetrate through both sides of the rubber nozzle (503).

6. The improved automotive air conditioning evaporator drainage structure according to claim 1, characterized in that, The bottom of the water collection tank (2) is integrally installed with two inclined guide blocks (8). The bottom surface and side wall of the water collection tank (2) are provided with slots (9). The slots (9) at the bottom are located between the two inclined guide blocks (8).

7. An improved automotive air conditioning evaporator drainage structure according to claim 6, characterized in that, The slot (9) located on the side wall of the water collection tank (2) is connected to the overflow pipe (11), and the slot (9) located at the bottom is connected to the drain pipe (4).

8. The improved water drainage structure of an evaporator of an automobile air conditioner according to claim 7, characterized in that, The overflow pipe (11) and the drain pipe (4) are externally connected to a stabilizing bracket (3). The stabilizing bracket (3) includes two symmetrically arranged clamping rods (301). The two clamping rods (301) have arc-shaped grooves (304) on their opposite sides for clamping the overflow pipe (11) and the drain pipe (4). Both ends of the two clamping rods (301) are fixedly connected to a fixing frame (303). A vertical rod (302) is fixedly installed in the middle of the top of the clamping rods (301).

9. The improved water drainage structure of an evaporator of an automobile air conditioner according to claim 8, wherein The fixing frame (303) is U-shaped, and an anti-loosening nut is threadedly connected to the end of the fixing frame (303) and the clamping rod (301).

10. An improved automotive air conditioning evaporator drainage structure according to claim 9, characterized in that, The bottom of the water collection tank (2) is fixedly installed with two parallel fixing plates (10), and two anti-loosening nuts are threaded through the fixing plates (10) and the inner side of the vertical rod (302).

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