Zero-leakage blow-down valve

Abstract

The utility model relates to the field of blow-down valves, and discloses a zero-leakage blow-down valve which comprises a blow-down valve body and is characterized in that a sliding block is slidably connected to the interior of the blow-down valve body, a rotating shaft is rotatably connected to the interior of the sliding block, a rotating fan is fixedly connected to the right end of the rotating shaft, a rotating disc is fixedly connected to the left end of the rotating shaft, and the rotating disc is fixedly connected to the right end of the blow-down valve body. A brush mechanism is fixedly connected to the left end of the rotating disc, a filter screen is slidably connected to the interior of the blow-down valve, and a fixing mechanism is slidably connected to the interior of the blow-down valve. According to the utility model, through the structures of the rotating fan, the rotating shaft, the rotating disc, the brush mechanism and the like, the rotating fan drives the rotating shaft to rotate, the rotating shaft drives the rotating disc to rotate, and the rotating disc drives the brush mechanism to rotate, so that the filter screen is convenient to clean, the blockage of the filter screen is avoided, and the sewage discharge valve does not need to be manually and irregularly discharged; the time for multiple pollution discharge is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of sewage discharge valves, in particular to a zero-leakage sewage discharge valve. Background Art

[0002] Zero leakage blowdown valves are special valves that are mainly used to remove impurities, sediments or air from the piping system to maintain the normal operation and efficiency of the system. They are usually installed on boilers, heat exchangers, cooling systems and other industrial equipment that need to regularly remove accumulations.

[0003] The existing lower drain valve cannot be cleaned internally, which may cause other debris to adhere to the filter net, resulting in blockage inside the water pipe, causing the water flow rate to decrease, and thus making it impossible for the internal water pipe to operate normally. Manual drainage of the drain valve is required from time to time, which is time-consuming and labor-intensive, and reduces work efficiency. Utility Model Content

[0004] The utility model aims to improve the situation in the prior art that manual sewage discharge from the sewage valve is required irregularly, which is time-consuming and labor-intensive and reduces work efficiency, and proposes a zero-leakage sewage valve.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a zero-leakage drain valve, including a drain valve, the drain valve is internally slidably connected to a sliding block, the sliding block is internally rotatably connected to a rotating shaft, the right end of the rotating shaft is fixedly connected to a rotating fan, the left end of the rotating shaft is fixedly connected to a rotating disk, the left end of the rotating disk is fixedly connected to a brush mechanism, the drain valve is internally slidably connected to a filter screen, and the drain valve is internally slidably connected to a fixing mechanism.

[0006] As a further description of the above technical solution:

[0007] The fixing mechanism secures sliding plate one, the outside of sliding plate one is slidingly connected to the inside of the drain valve, the inside of sliding plate one is slidingly connected to sliding plate two, the top end of sliding plate one is fixedly connected to a spring housing, the top end of sliding plate two is fixedly connected to a spring housing, the inside of the spring housing is slidingly connected to a fixing ring, the rear end of the fixing ring is fixedly connected to an outward push spring, and the front end of the fixing ring is fixedly connected to a mounting rod.

[0008] As a further description of the above technical solution:

[0009] One end of the push-out spring away from the fixing ring is fixedly connected with a spring housing, and the front end of the mounting rod is slidably connected to the inside of the fixing ring.

[0010] As a further description of the above technical solution:

[0011] The outside of the fixing ring is fixedly connected with a sliding block, the inside of the spring housing is provided with a first sliding groove, and the inside of the spring housing is provided with a second sliding groove.

[0012] As a further description of the above technical solution:

[0013] The outer portion of the sliding block is slidably connected to the inner portion of the first sliding groove, and the outer portion of the sliding block is slidably connected to the inner portion of the second sliding groove.

[0014] As a further description of the above technical solution:

[0015] The brush mechanism includes a brush shell, the right end of the brush shell is fixedly connected to the left end of the rotating disk, the interior of the brush shell is slidably connected to a limiting block, the right end of the limiting block is fixedly connected to a thrust spring, the left end of the limiting block is fixedly connected to a thrust column, and the left end of the thrust column is fixedly connected to a brush column.

[0016] As a further description of the above technical solution:

[0017] One end of the thrust spring away from the limiting block is fixedly connected to the inside of the brush shell, and a hanging plate is fixedly connected to the outside of the brush shell.

[0018] As a further description of the above technical solution:

[0019] The top end of the sewage valve is fixedly connected with a valve, the bottom end of the sewage valve is fixedly connected with a sewage pipe, and the inner top end of the sewage valve is fixedly connected with a pull-back group.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, through the structures of the rotating fan, the rotating shaft, the rotating disk, the brush mechanism and the like, the rotating fan drives the rotating shaft to rotate, the rotating shaft drives the rotating disk to rotate, and the rotating disk drives the brush mechanism to rotate, so that the filter can be cleaned conveniently and the clogging of the filter screen can be avoided. There is no need to manually drain the sewage from the sewage valve at irregular intervals, which saves the time of multiple drainage and improves the work efficiency.

[0022] 2. In the utility model, by means of structures such as sliding plate 1, sliding plate 2, and spring housing, it is achieved to pull sliding plate 1 and sliding plate 2, so that the outward spring pushes the mounting rod to move toward the fixed ring, and the mounting rod slides into the interior of the fixed ring, thereby facilitating the removal of the filter and avoiding the filter being damaged due to excessive use, so that workers need to unscrew multiple bolts to disassemble the filter and the internal water draining time is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a zero-leakage drain valve proposed by the utility model;

[0024] Figure 2 A cross-sectional view of a sewage valve in a zero-leakage sewage valve proposed by the utility model;

[0025] Figure 3 A cross-sectional view of a zero-leakage drain valve brush housing proposed by the utility model;

[0026] Figure 4 for Figure 1 A magnified view of middle;

[0027] Figure 5 The utility model is a cross-sectional view of a zero-leakage drain valve spring housing.

[0028] Legend:

[0029] 1. Drain valve; 2. Sliding block; 3. Rotating shaft; 4. Rotating fan; 5. Rotating disk; 6. Brush mechanism; 601. Brush shell; 602. Limiting block; 603. Thrust spring; 604. Thrust column; 605. Brush column; 606. Hanging plate; 7. Filter; 8. Fixing mechanism; 801. Sliding plate 1; 802. Sliding plate 2; 803. Spring housing; 804. Fixing ring; 805. Push-out spring; 806. Mounting rod; 807. Sliding block; 808. Slide 1; 809. Slide 2; 9. Valve; 10. Drain pipe; 11. Pull-back assembly. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-Figure 3The utility model provides an embodiment of a zero-leakage drain valve, comprising a drain valve 1, a sliding block 2 is slidably connected inside the drain valve 1, a rotating shaft 3 is rotatably connected inside the sliding block 2, a rotating fan 4 is fixedly connected to the right end of the rotating shaft 3, a rotating disk 5 is fixedly connected to the left end of the rotating disk 5, a brush mechanism 6 is fixedly connected to the left end of the rotating disk 5, when water flow impacts the rotating fan 4, the rotating fan 4 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the rotating disk 5 to rotate, the rotating disk 5 drives the brush mechanism 6 to clean the filter screen 7, so that the debris on the filter screen 7 falls into the interior of the drain pipe 10, thereby completing the continuous cleaning of the filter screen 7, the drain valve 1 is slidably connected to the filter screen 7, the drain valve 1 is slidably connected to the fixing mechanism 8, the brush mechanism 6 comprises a brush shell 601, the right end of the brush shell 601 is fixedly connected to the left end of the rotating disk 5, the internal sliding of the brush shell 601 A limit block 602 is connected, and the right end of the limit block 602 is fixedly connected with a thrust spring 603, and the left end of the limit block 602 is fixedly connected with a thrust column 604, and the left end of the thrust column 604 is fixedly connected with a brush column 605. The thrust spring 603 pushes the brush column 605, so that the brush column 605 fits the outside of the filter screen 7 to clean the filter screen 7, thereby ensuring the original filtering speed. The end of the thrust spring 603 away from the limit block 602 is fixedly connected to the inside of the brush housing 601, and the fixation of the thrust spring 603 by the brush housing 601 increases the fixation of the thrust spring 603. The outside of the brush housing 601 is fixedly connected with a hanging plate 606, the top end of the drain valve 1 is fixedly connected with a valve 9, and the bottom end of the drain valve 1 is fixedly connected with a drain pipe 10, thereby realizing internal drainage. The top end of the interior of the drain valve 1 is fixedly connected with a pull-back group 11, which facilitates the pull-back group 11 to pull back the sliding block 2.

[0032] Reference Figure 4 and Figure 5, the fixing mechanism 8 protects the sliding plate 801, the outer sliding connection of the sliding plate 801 is inside the drain valve 1, the sliding plate 801 is internally slidably connected with the sliding plate 2 802, the top of the sliding plate 801 is fixedly connected with the spring housing 803, the top of the sliding plate 2 802 is fixedly connected with the spring housing 803, the inner sliding connection of the spring housing 803 is connected with the fixing ring 804, the rear end of the fixing ring 804 is fixedly connected with the push spring 805, the push spring 805 pushes the installation rod 806 to move toward the fixing ring 804, so that the installation rod 806 slides into the inside of the fixing ring 804, thereby completing the fixing of the sliding plate 801 and the sliding plate 2 802, thereby limiting the filter screen 7 inside the drain valve 1, the front end of the fixing ring 804 is fixedly connected with the installation rod 806, the push spring One end of the spring 805 away from the fixed ring 804 is fixedly connected to the spring housing 803, and the spring housing 803 fixes the outward push spring 805 to increase the stability of the outward push spring 805. The front end of the mounting rod 806 is slidably connected to the inside of the fixed ring 804, and the outside of the fixed ring 804 is fixedly connected to the sliding block 807. The inside of the spring housing 803 is provided with a sliding groove 1 808, and the inside of the spring housing 803 is provided with a sliding groove 2 809. The outside of the sliding block 807 is slidably connected to the inside of the sliding groove 1 808, and the outside of the sliding block 807 is slidably connected to the inside of the sliding groove 2 809, so that the sliding block 807 slides into the sliding groove 1 808 through the sliding groove 2 809, so that the sliding block 807 drives the mounting rod 806 to move toward the fixed ring 804 through the fixed ring 804, thereby increasing stability.

[0033] Working principle: water impacts the rotating fan 4, the rotating fan 4 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the rotating disk 5 to rotate, the rotating disk 5 drives the brush mechanism 6 to rotate, the brush mechanism 6 cleans the filter screen 7, and the debris on the filter screen 7 falls into the interior of the sewage pipe 10, which is convenient for cleaning the filter and avoids clogging of the filter screen 7. There is no need to manually discharge the sewage valve 1 from time to time, which saves time for multiple sewage discharges and improves work efficiency. The sliding plate 2 802 and the sliding plate 1 801 are pulled to slide the fixing ring 804 and the slide groove 2 809 into the slide groove 1 808, so that the outward push spring 805 pushes the mounting rod 806 into the interior of the fixing ring 804, so that the sliding plate 2 802 and the sliding plate 1 801 restrict the filter screen 7 to the interior of the sewage valve 1, thereby facilitating the removal of the filter and avoiding excessive use of the filter and damage to the filter, so that workers need to screw multiple bolts to disassemble the filter screen 7 and the internal water discharge time.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A zero-leakage drain valve, comprising a drain valve (1), characterized in that: The drain valve (1) is internally slidably connected to a slide block (2), the slide block (2) is internally rotatably connected to a rotating shaft (3), the right end of the rotating shaft (3) is fixedly connected to a rotating fan (4), the left end of the rotating shaft (3) is fixedly connected to a rotating disk (5), the left end of the rotating disk (5) is fixedly connected to a brush mechanism (6), the drain valve (1) is internally slidably connected to a filter screen (7), and the drain valve (1) is internally slidably connected to a fixing mechanism (8).

2. A zero-leakage drain valve according to claim 1, characterized in that: The fixing mechanism (8) secures a sliding plate (801), the outside of the sliding plate (801) is slidably connected to the inside of the drain valve (1), the inside of the sliding plate (801) is slidably connected to a sliding plate (802), the top end of the sliding plate (801) is fixedly connected to a spring housing (803), the top end of the sliding plate (802) is fixedly connected to a spring housing (803), the inside of the spring housing (803) is slidably connected to a fixing ring (804), the rear end of the fixing ring (804) is fixedly connected to an outward push spring (805), and the front end of the fixing ring (804) is fixedly connected to a mounting rod (806).

3. A zero-leakage drain valve according to claim 2, characterized in that: One end of the outward push spring (805) away from the fixing ring (804) is fixedly connected to a spring housing (803), and the front end of the mounting rod (806) is slidably connected to the inside of the fixing ring (804).

4. A zero-leakage drain valve according to claim 3, characterized in that: The outside of the fixing ring (804) is fixedly connected with a sliding block (807), the inside of the spring housing (803) is provided with a sliding groove 1 (808), and the inside of the spring housing (803) is provided with a sliding groove 2 (809).

5. A zero-leakage drain valve according to claim 4, characterized in that: The outside of the sliding block (807) is slidably connected to the inside of the first slide groove (808), and the outside of the sliding block (807) is slidably connected to the inside of the second slide groove (809).

6. A zero-leakage drain valve according to claim 1, characterized in that: The brush mechanism (6) comprises a brush shell (601), the right end of the brush shell (601) is fixedly connected to the left end of the rotating disk (5), the interior of the brush shell (601) is slidably connected to a limit block (602), the right end of the limit block (602) is fixedly connected to a thrust spring (603), the left end of the limit block (602) is fixedly connected to a thrust column (604), and the left end of the thrust column (604) is fixedly connected to a brush column (605).

7. A zero-leakage drain valve according to claim 6, characterized in that: One end of the thrust spring (603) away from the limiting block (602) is fixedly connected to the inside of the brush shell (601), and a hanging plate (606) is fixedly connected to the outside of the brush shell (601).

8. A zero-leakage drain valve according to claim 1, characterized in that: The top end of the sewage valve (1) is fixedly connected to a valve (9), the bottom end of the sewage valve (1) is fixedly connected to a sewage pipe (10), and the inner top end of the sewage valve (1) is fixedly connected to a retraction group (11).

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