Sampling device of solar water heater

Abstract

The utility model relates to the technical field of solar water heater sampling, in particular to a solar water heater sampling device which comprises a main pipe and a sampling mechanism arranged on the main pipe, and the sampling mechanism comprises a branch pipe detachably connected to the main pipe, a sampling pipe arranged on the branch pipe and a valve arranged on the sampling pipe. The guide rod is horizontally arranged in the branch pipe in a sliding mode, a shifting piece is arranged on the valve, an L-shaped plate is arranged at one end of the guide rod, a spring connected with the branch pipe and the L-shaped plate is arranged on the guide rod in a sleeving mode, and a baffle is arranged on the L-shaped plate; the guide rod capable of horizontally sliding is arranged in the branch pipe and matched with the spring and the baffle structure, when the valve is opened or closed, the guide rod is driven by the shifting piece to synchronously slide, the inner wall of the branch pipe is periodically scraped by using the sealing ring on the guide rod, attached impurities and precipitates are effectively removed, the branch pipe is prevented from being blocked, and a sampling channel is ensured to be unblocked for a long time.

Description

Technical Field

[0001] This utility model relates to the field of solar water heater sampling technology, specifically a solar water heater sampling device. Background Technology

[0002] When testing the water quality of a solar water heater, the sampling device is a crucial component for monitoring the purity of the water in the tank. Traditional solar water heater sampling devices typically consist of a branch pipe connected to the main water heater pipe and a sampling pipe. However, during long-term use, the branch pipe is prone to blockage due to impurities, sediments, or microorganisms in the water, leading to decreased sampling efficiency or even failure to sample.

[0003] In existing technologies, the branch pipes of sampling devices are mostly fixed structures and lack anti-clogging mechanisms. Once clogged, they need to be disassembled and cleaned frequently, which not only increases maintenance costs but may also lead to a decrease in installation stability due to repeated disassembly, affecting the sealing performance and service life of the device. Utility Model Content

[0004] The purpose of this invention is to provide a sampling device for solar water heaters, which solves the problem mentioned in the background art that existing sampling devices cannot prevent clogging.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a solar water heater sampling device, comprising a main pipe and a sampling mechanism disposed on the main pipe, the sampling mechanism comprising a branch pipe detachably connected to the main pipe, a sampling pipe disposed on the branch pipe, a valve disposed on the sampling pipe, and a guide rod horizontally slidingly disposed within the branch pipe, the valve being provided with a paddle, one end of the guide rod being provided with an L-shaped plate, a spring sleeved on the guide rod and connected to the branch pipe and the L-shaped plate, and a baffle being provided on the L-shaped plate.

[0006] Furthermore, the other end of the guide rod is adapted to the inner wall of the main pipe and is provided with a sealing ring.

[0007] Furthermore, the paddle is provided with a rotating block.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0009] 1. By installing a horizontally sliding guide rod inside the branch pipe, along with a spring and baffle structure, the guide rod slides synchronously under the action of the paddle when the valve is opened or closed. The sealing ring on the guide rod periodically scrapes the inner wall of the branch pipe, effectively removing attached impurities and deposits, preventing blockage of the branch pipe, and ensuring long-term unobstructed sampling channels.

[0010] 2. A sealing ring that fits the inner wall of the main pipe is provided at the end of the guide rod near the main pipe. This not only ensures the sealing of the connection between the main pipe and the branch pipe and prevents water leakage, but also enhances the structural stability of the sampling mechanism through the sliding fit between the guide rod and the inner wall of the branch pipe, avoiding loosening problems caused by frequent operation.

[0011] 3. The branch pipe and the main pipe are connected by detachable flanges, which facilitates overall disassembly and cleaning; the rotating block design on the lever makes valve operation more labor-saving, and the automatic reset function of the spring simplifies the sampling process and improves ease of use. Attached Figure Description

[0012] Figure 1 This is a structural diagram of the present utility model;

[0013] Figure 2 This is a cross-sectional view of the present invention.

[0014] In the picture:

[0015] 1. Main pipe; 2. Branch pipe; 3. Sampling pipe; 4. Valve; 5. Guide rod; 6. Paddle; 7. L-shaped plate; 8. Spring; 9. Baffle; 10. Sealing ring; 11. Rotating block. Detailed Implementation

[0016] Please see Figures 1 to 2 A sampling device for a solar water heater comprises two parts: a main pipe 1 connected to the solar water heater and a sampling mechanism disposed on the main pipe 1 for sampling. The sampling mechanism is used to detect the purity of the water in the tank.

[0017] Specifically,

[0018] The sampling mechanism consists of a branch pipe 2, a sampling pipe 3, a valve 4, a guide rod 5, a lever 6, an L-shaped plate 7, a spring 8, and a baffle 9. The branch pipe 2 is detachably connected to the main pipe 1 via a flange. The sampling pipe 3 is threaded or welded to the outer wall of the branch pipe 2, with its opening facing downwards. The valve 4 is installed on the wall of the sampling pipe 3; rotating the valve 4 opens or closes the sampling pipe 3. The guide rod 5 has a slider; one end of the branch pipe 2 is fitted with the guide rod 5 and has a groove on it. The slider fits into the groove and can slide within it, allowing the guide rod 5 to slide horizontally within the branch pipe 2. The lever 6 is detachably connected to the valve 4 via bolts and rotates with the valve 4. To facilitate rotation of the valve 4, a rotating block 11 (welded or bolted) is provided on the lever 6. The L-shaped plate 7 is located on one end of the guide rod 5 (fixed by screws), and the other end of the guide rod 5 is close to the main pipe 1 and has a sealing ring 10 on it. Spring 8 is sleeved on guide rod 5, and both ends of spring 8 are connected between branch pipe 2 and L-shaped plate 7 respectively (both branch pipe 2 and L-shaped plate 7 are provided with slots to insert both ends of spring 8 into the slots respectively). When spring 8 is in the normal state, the other end of guide rod 5 is in contact with the inner wall of main pipe 1, and the protrusion provided on it is located on the inner wall of main pipe 1. Baffle 9 is welded to L-shaped plate 7.

[0019] Working process and principle of this utility model:

[0020] When sampling is required, rotate the rotating block 11 on the lever 6 to drive the valve 4 to rotate and open the sampling tube 3. At this time, the lever 6 rotates synchronously and pushes the baffle 9 to slide horizontally away from the main pipe 1 against the elastic force of the spring 8, which drives the L-shaped plate 7 to move, and then drives the guide rod 5 to slide in the branch pipe 2, so that the other end of the guide rod 5 moves to one side of the sampling tube 3, releasing the obstruction to the branch pipe 2. Water flows through the main pipe 1 into the branch pipe 2 and is discharged through the sampling tube 3 to complete the sampling.

[0021] During the sliding process of guide rod 5, the sealing ring 10 at its other end remains in contact with the inner wall of main pipe 1, ensuring that water flow in main pipe 1 does not leak. When valve 4 is closed, spring 8 returns to its original position and pushes guide rod 5 towards main pipe 1, using the edge of sealing ring 10 to scrape the inner wall of branch pipe 2, removing attached impurities and sediments to prevent blockage. After sampling, the elastic force of spring 8 causes guide rod 5 to return to its original position, and guide rod 5 again contacts the inner wall of branch pipe 2. At the same time, sealing ring 10 tightly contacts branch pipe 2, ensuring the sealing of the device in the non-sampling state, preventing impurities from entering and accumulating in branch pipe 2, and achieving the cyclical effect of the anti-blockage function.

[0022] Through the cooperation of the above-mentioned mechanical linkage structure guide rod 5, spring 8, baffle 9, and paddle 6, the guide rod 5 will clean the inner wall of the branch pipe 2 every time the valve 4 is opened or closed, reducing the retention of impurities from the source and solving the problem of easy clogging of traditional sampling devices, while taking into account sealing and ease of maintenance.

Claims

1. A sampling device for a solar water heater, comprising a main pipe (1) and a sampling mechanism disposed on the main pipe (1), the sampling mechanism comprising a branch pipe (2) detachably connected to the main pipe (1), a sampling pipe (3) disposed on the branch pipe (2), and a valve (4) disposed on the sampling pipe (3), characterized in that, It also includes a guide rod (5) that slides horizontally inside the branch pipe (2), a paddle (6) on the valve (4), an L-shaped plate (7) on one end of the guide rod (5), a spring (8) connected to the branch pipe (2) and the L-shaped plate (7) on the guide rod (5), and a baffle (9) on the L-shaped plate (7).

2. The sampling device of claim 1, wherein, The other end of the guide rod (5) is adapted to the inner wall of the main pipe (1) and is provided with a sealing ring (10).

3. The sampling device of claim 2, wherein, The paddle (6) is provided with a rotating block (11).

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