A type of anti-clogging wet alarm valve

Abstract

This utility model relates to the field of wet alarm valve technology, and proposes an anti-clogging wet alarm valve, comprising: a wet alarm valve assembly and a time controller, a filter box disposed on the wet alarm valve assembly, and a filter screen plate disposed inside the filter box, the filter screen plate being slidably engaged with the inner wall of the filter box. The time controller sets a time for periodically cleaning the filter screen plate. When the set time is reached, the time controller activates a first electric telescopic rod, which drives a sliding rod to move up and down reciprocally, and in conjunction with two brush plates, moves up and down reciprocally inside the filter box, causing the brushes on the two brush plates to clean the filter screen plate. The collected debris is then collected by a collection mechanism, thus achieving the purpose of periodically and automatically cleaning the filter screen plate, eliminating the need for personnel to periodically check the brush plates or perform a complete cleaning of the filter screen plate, effectively improving the cleaning effect.

Description

Technical Field

[0001] This utility model relates to the technical field of wet alarm valves, specifically to an anti-clogging wet alarm valve. Background Technology

[0002] Normally, the water pressure before and after the valve disc of a wet alarm valve is equal. When the weight of the valve disc and the total water pressure before and after the valve disc are different, the valve disc is in the closed state. However, in the event of a fire, due to the spraying of water from the closed sprinkler head, the water pressure balancing orifice cannot replenish water in time, causing the water pressure above the alarm valve to drop. At this time, the water pressure before the valve disc is greater than the water pressure after the valve disc, so the valve disc opens and supplies water to the riser and pipe network. At the same time, the water enters the timer, pressure switch and hydraulic alarm bell along the annular groove of the alarm valve, thereby triggering the fire alarm signal and starting the fire pump.

[0003] A known Chinese patent (application number: CN202321240869.4) discloses an anti-clogging wet alarm valve, including a valve body. One side of the valve body is equipped with an inlet pressure gauge and an outlet pressure gauge. The other side of the valve body is fixedly equipped with a drain valve and a water guide pipe. A filter structure is provided at the end of the water guide pipe furthest from the valve body. This invention, through the arrangement of components such as an installation shell, a sludge collection pipe, a baffle plate, a filter plate, a push-pull rod, a brush plate, and a top plate, allows for rapid cleaning of the filter plate when the device is clogged. Pressing the push-pull rod activates the brush plate, whose bristles clean the debris from the filter holes of the filter plate. The cleaned debris falls into the installation shell. Then, the baffle plate is pulled outwards. When the baffle plate is pulled out of the sludge collection pipe, water and debris are discharged from the device through the sludge collection pipe. This achieves rapid cleaning of the filter plate without disassembling the filter shell, improving cleaning efficiency and reducing cleaning difficulty.

[0004] However, in implementing the relevant technology, the above-mentioned anti-clogging wet alarm valve has the following problems: although it achieves the purpose of cleaning the filter plate, it is difficult to clean the filter plate automatically, and therefore requires staff to check it regularly, which is quite troublesome. Moreover, when cleaning the filter plate, only one side of the filter plate can be cleaned, making it difficult to clean the filter plate completely, resulting in debris still remaining on the other side of the filter plate, thus the cleaning effect is not good. Therefore, an anti-clogging wet alarm valve is proposed. Utility Model Content

[0005] This utility model proposes an anti-clogging wet alarm valve, which solves the problems of existing technologies that, although they achieve the purpose of cleaning the filter plate, are difficult to clean automatically, and therefore require staff to check regularly, which is quite troublesome. Moreover, when cleaning the filter plate, only one side of the filter plate can be cleaned, making it difficult to clean the filter plate completely, resulting in debris still remaining on the other side of the filter plate, thus resulting in poor cleaning effect.

[0006] The technical solution of this utility model is as follows: a wet alarm valve for preventing blockage, comprising: a wet alarm valve assembly and a time controller;

[0007] The filter box is installed on the wet alarm valve assembly. The filter box is equipped with a filter screen plate inside. The filter screen plate is slidably engaged with the inner wall of the filter box. Two brush plates are slidably connected to each other inside the filter box. The two brush plates are located on both sides of the filter screen plate.

[0008] Two sliding rods are fixedly installed on the two brush plates. The top ends of the two sliding rods are movably connected to a connecting plate through the filter box. Two first electric telescopic rods are fixedly installed on the top of the filter box. The output ends of the two first electric telescopic rods are connected to the connecting plate.

[0009] The collection mechanism is located at the bottom of the filter box, the outer wall of the wet alarm valve assembly is provided with a protective mechanism, and the time controller is electrically connected to the two first electric telescopic rods.

[0010] Preferably, the collection mechanism includes a collection box fixedly installed at the bottom of the filter box, and the inner bottom wall of the collection mechanism is provided with a chip leakage groove, which is connected to the collection box.

[0011] Preferably, the interior of the collection box is slidably connected to a drawer via an opening drawer slot, and a handle is fixedly installed on the front side of the drawer.

[0012] Preferably, an installation groove is provided on one side of the inner wall of the chip removal groove, and a second electric telescopic rod is fixedly installed on one side of the inner wall of the installation groove. The time controller is electrically connected to the second electric telescopic rod.

[0013] Preferably, a baffle is fixedly connected to the output end of the second electric telescopic rod, and the baffle is located inside the chip leakage groove.

[0014] Preferably, the top of the filter box is hinged to a cover plate via an opening through slot, and the top of the cover plate has a groove.

[0015] Preferably, the protection mechanism includes a first anti-corrosion coating applied to the outer wall of the wet alarm valve assembly, specifically an epoxy zinc-rich primer.

[0016] Preferably, the outer wall of the first anti-corrosion coating away from the wet alarm valve assembly is coated with a wear-resistant coating, specifically an epoxy micaceous iron oxide intermediate paint.

[0017] Preferably, the outer wall of the wear-resistant coating away from the wet alarm valve assembly is coated with a second anti-corrosion coating, which is specifically a polyurethane topcoat.

[0018] The working principle and beneficial effects of this utility model are as follows:

[0019] 1. The filter screen is cleaned periodically by setting a timer. When the set time is reached, the filter screen is cleaned by the brushes on the brush plate, thus achieving the purpose of automatic periodic cleaning of the filter screen without the need for staff to check the brush plate regularly.

[0020] 2. The first electric telescopic rod is started by controlling the time controller. The first electric telescopic rod drives the slide bar to move up and down back and forth, and in conjunction with the two brush plates, moves up and down back and forth inside the filter box. This allows the brushes on the two brush plates to clean the filter screen. Then, the cleaning debris is collected by the collection mechanism, thereby achieving a comprehensive cleaning of the filter screen and effectively improving the cleaning effect. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed in this utility model;

[0023] Figure 2 This is a schematic diagram of the overall side view of the three-dimensional structure proposed in this utility model;

[0024] Figure 3 This is a cross-sectional perspective view of the filter box proposed in this utility model.

[0025] Figure 4 This is a schematic cross-sectional view of the wet alarm valve assembly proposed in this utility model.

[0026] In the diagram: 1. Wet alarm valve assembly; 2. Filter box; 3. Filter screen; 4. Brush plate; 5. Slide rod; 6. Connecting plate; 7. First electric telescopic rod; 8. Collection mechanism; 80. Collection box; 81. Chip tray; 82. Drawer; 83. Handle; 84. Mounting slot; 85. Second electric telescopic rod; 86. Baffle; 9. Protection mechanism; 90. First anti-corrosion coating; 91. Wear-resistant coating; 92. Second anti-corrosion coating; 10. Cover plate; 11. Groove. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. 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 of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example

[0028] Please see Figure 1 - Figure 4 A clog-resistant wet alarm valve includes: a wet alarm valve assembly 1 and a time controller;

[0029] A filter box 2 is installed on the wet alarm valve assembly 1. A filter screen plate 3 is installed inside the filter box 2. The filter screen plate 3 is slidably engaged with the inner wall of the filter box 2. Two brush plates 4 are slidably connected inside the filter box 2. The two brush plates 4 are located on both sides of the filter screen plate 3.

[0030] Two slide rods 5 are fixedly installed on the two brush plates 4. The top ends of the two slide rods 5 are movably connected to the filter box 2 and fixedly connected to the connecting plate 6. Two first electric telescopic rods 7 are fixedly installed on the top of the filter box 2. The output ends of the two first electric telescopic rods 7 are connected to the connecting plate 6.

[0031] The collection mechanism 8 is located at the bottom of the filter box 2, the protective mechanism 9 is located on the outer wall of the wet alarm valve group 1, and the time controller is electrically connected to the two first electric telescopic rods 7.

[0032] The present invention provides a technical solution in which a time controller is used to set a time for periodically cleaning the filter screen 3. When the set time is reached, the time controller controls the first electric telescopic rod 7 to start. The first electric telescopic rod 7 drives the slide rod 5 to move up and down reciprocally, and links the two brush plates 4 to move up and down reciprocally inside the filter box 2, so that the brushes on the two brush plates 4 clean the filter screen 3. Then, the collection mechanism 8 collects the debris that has been cleaned, thereby achieving the purpose of periodically and automatically cleaning the filter screen 3. There is no need for staff to periodically check the brush plates 4 or to thoroughly clean the filter screen 3, which effectively improves the cleaning effect.

[0033] Furthermore, the top of the filter box 2 is hinged to a cover plate 10 through an opening slot, and the top of the cover plate 10 is provided with a groove 11.

[0034] Specifically, the groove 11 facilitates the opening of the cover plate 10, making it easy to replace the filter screen plate 3.

[0035] Furthermore, the protection mechanism 9 includes a first anti-corrosion coating 90 applied to the outer wall of the wet alarm valve assembly 1. The first anti-corrosion coating 90 is specifically an epoxy zinc-rich primer. The outer wall of the first anti-corrosion coating 90 away from the wet alarm valve assembly 1 is coated with a wear-resistant coating 91. The wear-resistant coating 91 is specifically an epoxy micaceous iron oxide intermediate paint. The outer wall of the wear-resistant coating 91 away from the wet alarm valve assembly 1 is coated with a second anti-corrosion coating 92. The second anti-corrosion coating 92 is specifically a polyurethane topcoat.

[0036] Specifically, the first anti-corrosion coating 90 and the second anti-corrosion coating 92 are used to isolate the intrusion of external anti-corrosion media, prevent the wet alarm valve assembly 1 from being corroded and rusted, thereby extending the service life of the wet alarm valve assembly 1. The wear-resistant coating 91 is used to prevent the wet alarm valve assembly 1 from being worn by external factors, which would cause damage to the surface of the wet alarm valve assembly 1, thereby protecting the surface of the wet alarm valve assembly 1. Example

[0037] Based on Embodiment 1, in this embodiment: the collection mechanism 8 includes a collection box 80 fixedly installed at the bottom of the filter box 2. The inner bottom wall of the collection mechanism 8 is provided with a chip leakage groove 81, which is connected to the collection box 80. The inside of the collection box 80 is slidably connected to a drawer 82 through a drawer groove. A handle 83 is fixedly installed on the front side of the drawer 82. A mounting groove 84 is provided on one side of the inner wall of the chip leakage groove 81. A second electric telescopic rod 85 is fixedly installed on one side of the inner wall of the mounting groove 84. The time controller is electrically connected to the second electric telescopic rod 85. A baffle 86 is fixedly connected to the output end of the second electric telescopic rod 85. The baffle 86 is located inside the chip leakage groove 81.

[0038] The technical solution provided in this embodiment is as follows: while cleaning the filter screen 3, the second electric telescopic rod 85 is started by controlling the time controller. The second electric telescopic rod 85 retracts, so that the baffle 86 is put into the installation groove 84. At this time, the chip tray 81 is in an open state, so that the cleaned debris enters the drawer 82 through the chip tray 81 for collection. The drawer 82 is pulled out by holding the handle 83, and then the collected debris is removed.

[0039] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A clog-resistant wet alarm valve, characterized in that, include: Wet alarm valve assembly (1) and time controller; The filter box (2) is installed on the wet alarm valve assembly (1). The filter box (2) is equipped with a filter screen plate (3). The filter screen plate (3) is slidably engaged with the inner wall of the filter box (2). The filter box (2) is slidably connected with two brush plates (4) inside. The two brush plates (4) are located on both sides of the filter screen plate (3). Two slide rods (5) are fixedly installed on the two brush plates (4). The top ends of the two slide rods (5) are movably connected to the filter box (2) and a connecting plate (6). Two first electric telescopic rods (7) are fixedly installed on the top of the filter box (2). The output ends of the two first electric telescopic rods (7) are connected to the connecting plate (6). The collection mechanism (8) is located at the bottom of the filter box (2), the outer wall of the wet alarm valve assembly (1) is provided with a protection mechanism (9), and the time controller is electrically connected to the two first electric telescopic rods (7).

2. The anti-clogging wet alarm valve according to claim 1, characterized in that: The collection mechanism (8) includes a collection box (80) fixedly installed at the bottom of the filter box (2). The inner bottom wall of the collection mechanism (8) is provided with a chip leakage groove (81), and the chip leakage groove (81) is connected to the collection box (80).

3. The anti-clogging wet alarm valve according to claim 2, characterized in that: The inside of the collection box (80) is slidably connected to a drawer (82) via an opening drawer slot, and a handle (83) is fixedly installed on the front side of the drawer (82).

4. The anti-clogging wet alarm valve according to claim 3, characterized in that: An installation groove (84) is provided on one side of the inner wall of the chip removal groove (81), and a second electric telescopic rod (85) is fixedly installed on one side of the inner wall of the installation groove (84). The time controller is electrically connected to the second electric telescopic rod (85).

5. The anti-clogging wet alarm valve according to claim 4, characterized in that: The output end of the second electric telescopic rod (85) is fixedly connected to a baffle (86), which is located inside the chip leakage groove (81).

6. The anti-clogging wet alarm valve according to claim 1, characterized in that: The top of the filter box (2) is hinged to a cover plate (10) through an opening slot, and the top of the cover plate (10) is provided with a groove (11).

7. The anti-clogging wet alarm valve according to claim 1, characterized in that: The protection mechanism (9) includes a first anti-corrosion coating (90) applied to the outer wall of the wet alarm valve assembly (1), specifically an epoxy zinc-rich primer.

8. The anti-clogging wet alarm valve according to claim 7, characterized in that: The first anti-corrosion coating (90) is coated with a wear-resistant coating (91) on the outer wall away from the wet alarm valve assembly (1), and the wear-resistant coating (91) is specifically an epoxy micaceous iron oxide intermediate paint.

9. The anti-clogging wet alarm valve according to claim 8, characterized in that: The wear-resistant coating (91) is coated with a second anti-corrosion coating (92) on the outer wall away from the wet alarm valve assembly (1), and the second anti-corrosion coating (92) is specifically a polyurethane topcoat.

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