Wet alarm valve

Abstract

The utility model discloses a wet type alarm valve which comprises an alarm valve body, connecting pipes are fixedly connected to the tops and the bottoms of the two sides of the alarm valve body, flanges are fixedly connected to the tops and the bottoms of the two sides of the alarm valve body, and fixing boxes are fixedly connected to the tops and the bottoms of the two sides of the alarm valve body. A shell is fixedly connected to the right side of an inner cavity of the fixing box, and a reset spring is fixedly connected to the middle of an inner cavity of the shell. The rotating handles, the threaded rods, the threaded blocks, the movable plates, the connecting plates and the fixed plates are arranged on the two sides of the alarm valve body, fixing can be conducted after flange connection, the connecting effect of the alarm valve body is improved, the alarm valve body is effectively prevented from being damaged due to loosening, meanwhile, the practicability of the alarm valve body is effectively improved, and the alarm valve is suitable for popularization and application. And by arranging a reset spring, a reset plate and a connecting rod on the outer side of the movable plate, resetting can be conveniently carried out when fixing is cancelled, and the trouble of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wet alarm valves, in particular to a wet alarm valve. Background Art

[0002] A wet alarm valve is a one-way valve that only allows water to flow into the sprinkler system in one direction and alarms at a specified flow rate. Normally, the water pressure before and after the wet alarm valve disc is equal (water passes through the water pressure balancing hole in the guide pipe to keep the water pressure before and after the valve disc balanced).

[0003] Currently, the existing wet alarm valves are generally connected by flanges. The flange connection is prone to loosening, which leads to interruption of the use of the equipment. At the same time, when the flange connection is loose, it is easy to cause harm to the staff, thereby reducing the practicality of the equipment. For this reason, we propose a wet alarm valve to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a wet alarm valve, which has the advantage of strengthened connection and solves the problem that the existing wet alarm valves are generally connected by flanges, the flange connection is prone to loosening, resulting in interruption of equipment use, and it is easy to cause harm to staff when loosening occurs during use, thereby reducing the practicality of the equipment.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a wet alarm valve, comprising an alarm valve body, the top and bottom of both sides of the alarm valve body are fixedly connected with connecting pipes, the top and bottom of the alarm valve body are fixedly connected with flanges, the top and bottom of both sides of the alarm valve body are fixedly connected with fixed boxes, the right side of the inner cavity of the fixed box is fixedly connected with a shell, the middle part of the inner cavity of the shell is fixedly connected with a reset spring, the outer side of the reset spring is fixedly connected with a reset plate, the outer side of the reset plate is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a movable plate, the outer side of the fixed box is fixedly connected with a threaded block, the inner surface of the threaded block is threadedly connected with a threaded rod, the inner side of the threaded rod is movably connected to the outer side of the movable plate, the inner side of the movable plate is fixedly connected with the connecting plate, and the inner side of the connecting plate is fixedly connected with the fixed plate.

[0006] As a preferred solution, a handle is fixedly connected to the outer side of the threaded rod, and an anti-slip sleeve is provided on the surface of the handle.

[0007] As a preferred solution, a through slot is provided on the outer side of the fixed box, and the width of the through slot is greater than the width of the movable plate.

[0008] As a preferred solution, a first sliding block is fixedly connected to the outer side of the movable plate, a second sliding groove is provided on the lower side of the inner cavity of the fixed box, and the outer surface of the first sliding block is slidably connected to the inner surface of the second sliding groove.

[0009] As a preferred solution, a through hole is opened on the outer side of the shell, and the diameter of the through hole is larger than the diameter of the connecting rod.

[0010] As a preferred solution, the front and rear sides of the reset plate are fixedly connected with second sliders, the front and rear sides of the shell cavity are provided with first slide grooves, and the outer surface of the second slider is slidably connected to the inner surface of the first slide groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides a turning handle, a threaded rod, a threaded block, a movable plate, a connecting plate and a fixed plate on both sides of the alarm valve body, which can be fixed after flange connection, thereby improving the connection effect of the alarm valve body, effectively preventing the alarm valve body from being damaged due to loosening, and effectively improving the practicality of the alarm valve body. By providing a reset spring, a reset plate and a connecting rod on the outer side of the movable plate, it can be easily reset when the fixation is cancelled, reducing the trouble of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a cross-sectional view of the fixed box structure of the utility model;

[0015] Figure 3 This is a cross-sectional view of the shell structure of the utility model.

[0016] In the figure: 1. alarm valve body; 2. flange; 3. fixed box; 4. threaded block; 5. threaded rod; 6. connecting pipe; 7. turning handle; 8. through groove; 9. movable plate; 10. connecting plate; 11. fixed plate; 12. first slide groove; 13. second slide groove; 14. first slider; 15. connecting rod; 16. housing; 17. reset spring; 18. reset plate; 19. second slider. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3The utility model: a wet alarm valve, including an alarm valve body 1, the top and bottom of both sides of the alarm valve body 1 are fixedly connected with connecting pipes 6, the top and bottom of the alarm valve body 1 are fixedly connected with flanges 2, the top and bottom of both sides of the alarm valve body 1 are fixedly connected with fixed boxes 3, the right side of the inner cavity of the fixed box 3 is fixedly connected with a shell 16, the middle part of the inner cavity of the shell 16 is fixedly connected with a reset spring 17, the outer side of the reset spring 17 is fixedly connected with a reset plate 18, the outer side of the reset plate 18 is fixedly connected with a connecting rod 15, the outer side of the connecting rod 15 is fixedly connected with a movable plate 9, the outer side of the fixed box 3 is fixedly connected with a threaded block 4, the inner surface of the threaded block 4 is threadedly connected with a threaded rod 5, the inner side of the threaded rod 5 is movably connected to the outer side of the movable plate 9, the inner side of the movable plate 9 is fixedly connected with a connecting plate 10, and the inner side of the connecting plate 10 is fixedly connected with a fixed plate 11.

[0019] The outer side of the threaded rod 5 is fixedly connected with a turning handle 7, and the surface of the turning handle 7 is provided with an anti-slip sleeve.

[0020] Through the above technical solution, the threaded rod 5 can be conveniently driven to rotate by the setting of the turning handle 7, and the setting of the anti-skid sleeve can play an anti-skid effect on the turning handle 7.

[0021] A through slot 8 is formed on the outer side of the fixed box 3 , and the width of the through slot 8 is greater than the width of the movable plate 9 .

[0022] Through the above technical solution, the through slot 8 is provided to facilitate the movable plate 9 to move left and right.

[0023] A first sliding block 14 is fixedly connected to the outer side of the movable plate 9 , a second sliding groove 13 is provided on the lower side of the inner cavity of the fixed box 3 , and the outer surface of the first sliding block 14 is slidably connected to the inner surface of the second sliding groove 13 .

[0024] Through the above technical solution, by providing the first sliding block 14 and the second sliding groove 13, the movable plate 9 can be made more stable when moving left and right.

[0025] A through hole is formed on the outer side of the housing 16 , and the diameter of the through hole is larger than the diameter of the connecting rod 15 .

[0026] Through the above technical solution, the connecting rod 15 can be easily driven to move left and right through the opened through hole.

[0027] The second sliders 19 are fixedly connected to the front and rear sides of the reset plate 18 , the first slide grooves 12 are opened on the front and rear sides of the inner cavity of the shell 16 , and the outer surface of the second slider 19 is slidably connected to the inner surface of the first slide groove 12 .

[0028] Through the above technical solution, by providing the second sliding block 19 and the first sliding groove 12, the reset plate 18 can be made more stable when moving left and right.

[0029] The working principle of the utility model is: first, the alarm valve body 1 is connected through the flange 2, and then the staff rotates the handle 7, the handle 7 drives the threaded rod 5 to rotate in the threaded block 4, the threaded rod 5 drives the movable plate 9 to move inward, and at the same time, the movable plate 9 applies pressure to the reset spring 17 through the connecting rod 15 and the reset plate 18, the movable plate 9 drives the connecting plate 10 to move inward, and the connecting plate 10 drives the fixed plate 11 to move inward, so as to strengthen the connection, and when it is necessary to cancel the fixation, the handle 7 is reversed to drive the movable plate 9, the connecting plate 10 and the fixed plate 11 to move outward, and at the same time, the pressure on the reset spring 17 is canceled, and the elasticity of the spring can be used to reset, thereby canceling the fixation.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A wet alarm valve, comprising an alarm valve body (1), characterized in that: Said The top and bottom of both sides of the alarm valve body (1) are fixedly connected with connecting pipes (6). The top and bottom of the alarm valve body (1) are fixedly connected with flanges (2). The top and bottom of both sides of the body (1) are fixedly connected with a fixing box (3). (3) A housing (16) is fixedly connected to the right side of the inner cavity, and the middle part of the inner cavity of the housing (16) A return spring (17) is fixedly connected to the outside of the return spring (17). A reset plate (18), wherein the outer side of the reset plate (18) is fixedly connected to a connecting rod (15). The outer side of the connecting rod (15) is fixedly connected to a movable plate (9), and the fixed box (3) The outer side is fixedly connected with a threaded block (4), and the inner surface of the threaded block (4) is threadedly connected with a threaded rod (5), wherein the inner side of the threaded rod (5) is movably connected to the outer side of the movable plate (9), A connecting plate (10) is fixedly connected to the inner side of the movable plate (9), and the connecting plate (10) A fixing plate (11) is fixedly connected to the inner side thereof.

2. A wet alarm valve according to claim 1, characterized in that: Said The outer side of the threaded rod (5) is fixedly connected to a turning handle (7), and the surface of the turning handle (7) is provided with With anti-slip cover.

3. A wet alarm valve according to claim 1, characterized in that: Said A through slot (8) is provided on the outer side of the fixed box (3), and the width of the through slot (8) is greater than that of the movable box (3). The width of the plate (9).

4. A wet alarm valve according to claim 1, characterized in that: Said A first sliding block (14) is fixedly connected to the outer side of the movable plate (9), and the fixed box (3) is A second slide groove (13) is provided on the lower side of the cavity, and the outer surface of the first slide block (14) is in contact with the second slide block (14). The inner surfaces of the two slide grooves (13) are slidably connected.

5. A wet alarm valve according to claim 1, characterized in that: Said A through hole is formed on the outer side of the housing (16), and the diameter of the through hole is larger than the diameter of the connecting rod (15). path.

6. A wet alarm valve according to claim 1, characterized in that: Said The second sliding block (19) is fixedly connected to both the front and rear sides of the reset plate (18). The housing (16) The front and rear sides of the inner cavity are both provided with a first slide groove (12), and the outer side of the second slide block (19) is The surface is slidably connected to the inner surface of the first sliding groove (12).

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