Pressure reducing and stabilizing plug with adjustable pressure

Abstract

The pressure reducing and stabilizing plug comprises an indoor fire hydrant body, the bottom of the indoor fire hydrant body is communicated with a water inlet pipe, the bottom of the water inlet pipe is communicated with a first connecting flange, the left side of the indoor fire hydrant body is communicated with a water outlet pipe, and the left end of the water outlet pipe is communicated with a second connecting flange. A motor is started to drive a second threaded rod to rotate, the second threaded rod rotates to drive a second threaded block to move on the surface of the second threaded rod through threads, the second threaded block moves to drive a moving plate to move, the moving plate moves to drive a moving column to move, and the moving column moves to drive a moving baffle and a sealing gasket to move. The two movable baffles and the sealing gasket get close to or away from each other, then the opening size of the water inlet pipe is changed, water pressure adjustment of the water inlet of the pressure reducing and stabilizing plug is achieved, the using effect of the pressure reducing and stabilizing plug is improved, and the advantage that the pressure of the pressure reducing and stabilizing plug can be adjusted is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducing and stabilizing bolts, in particular to a pressure reducing and stabilizing bolt with adjustable pressure. Background Art

[0002] Fire hydrants, formally called fire hydrants, are a type of fixed fire-fighting facility. Their main function is to control combustibles, isolate combustible materials, and eliminate ignition sources. They are divided into indoor fire hydrants and outdoor fire hydrants.

[0003] The existing pressure reducing and stabilizing valves do not have the function of adjusting pressure, which results in that when the pressure reducing and stabilizing valve is in use, if the water pressure is insufficient, the fire cannot be extinguished by the water gun. Excessive water pressure causes the pressure reducing and stabilizing valve to be easily broken and damaged, which reduces the use effect of the pressure reducing and stabilizing valve. Therefore, we provide a pressure-adjustable pressure reducing and stabilizing valve to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a pressure-adjustable pressure-reducing and pressure-stabilizing valve, which has the advantage of adjustable pressure for the pressure-reducing and pressure-stabilizing valve, and solves the problem that the existing pressure-reducing and pressure-stabilizing valve does not have the function of adjusting pressure, resulting in that when the pressure-reducing and pressure-stabilizing valve is in use, once the water pressure is insufficient, the fire cannot be extinguished by a water gun, and the pressure-reducing and pressure-stabilizing valve is prone to rupture and damage due to excessive water pressure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure-adjustable pressure-reducing and pressure-stabilizing hydrant, comprising an indoor fire hydrant body, the bottom of the indoor fire hydrant body is connected to a water inlet pipe, the bottom of the water inlet pipe is connected to a first connecting flange, the left side of the indoor fire hydrant body is connected to a water outlet pipe, the left end of the water outlet pipe is connected to a second connecting flange, the right side of the indoor fire hydrant body is fixedly connected to a first threaded block, the inner cavity of the first threaded block is threadedly connected to a first threaded rod, the right end of the first threaded rod is fixedly connected to a knob, and the left end of the first threaded rod passes through the inner cavity of the indoor fire hydrant body The fire hydrant body is fixedly connected with a valve head, the bottoms of both sides of the indoor fire hydrant body are fixedly connected with a box body, the bottom of one side of the inner wall of the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with a second threaded rod, the surface of the second threaded rod is threadedly connected with a second threaded block, the top of the second threaded block is fixedly connected with a movable plate, the inner side of the movable plate is fixedly connected with a movable column, the inner end of the movable column penetrates into the inner cavity of the indoor fire hydrant body and is fixedly connected with a movable baffle, the bottom of the movable baffle is bonded with a sealing gasket, and the bottom of the sealing gasket contacts with the bottom of the inner wall of the indoor fire hydrant body.

[0006] As a preferred solution, a first sealing ring is bonded and connected to the right side of the inner wall of the indoor fire hydrant, and the inner wall of the first sealing ring is in contact with the surface of the first threaded rod.

[0007] As a preferred solution, the inner end of the second threaded rod is sleeved with a bearing seat, and the inner side of the bearing seat is fixedly connected to the inner wall of the box body.

[0008] As a preferred solution, a first guide groove is provided at the bottom of the inner wall of the box body, a first guide block is slidably connected to the inner cavity of the first guide groove, and the top of the first guide block is fixedly connected to the bottom of the second threaded block.

[0009] As a preferred solution, a second guide groove is provided at the top of the inner wall of the box body, a second guide block is slidably connected to the inner cavity of the second guide groove, and the bottom of the second guide block is fixedly connected to the top of the movable plate.

[0010] As a preferred solution, second sealing rings are bonded to the bottoms of both sides of the inner wall of the indoor fire hydrant, and the inner wall of the second sealing ring is in contact with the surface of the moving column.

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

[0012] The utility model starts the motor to drive the second threaded rod to rotate, and the rotation of the second threaded rod drives the second threaded block to move on the surface of the second threaded rod through the thread, and the movement of the second threaded block drives the moving plate to move, and the movement of the moving plate drives the moving column to move, and the movement of the moving column drives the moving baffle and the sealing gasket to move, so that the two moving baffles and the sealing gasket are moved closer or farther away, thereby changing the opening size of the water inlet pipe, realizing water pressure regulation of the water inlet of the pressure reducing and stabilizing plug, improving the use effect of the pressure reducing and stabilizing plug, and achieving the advantage of adjustable pressure of the pressure reducing and stabilizing plug. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is an enlarged cross-sectional view of the internal structure of the box of the utility model;

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

[0016] In the figure: 1. indoor fire hydrant body; 2. water inlet pipe; 3. first connecting flange; 4. water outlet pipe; 5. second connecting flange; 6. first threaded block; 7. first threaded rod; 8. knob; 9. valve head; 10. box body; 11. motor; 12. second threaded rod; 13. second threaded block; 14. moving plate; 15. moving column; 16. moving baffle; 17. sealing gasket; 18. first sealing ring; 19. bearing seat; 20. first guide groove; 21. first guide block; 22. second guide groove; 23. second guide block; 24. second sealing ring. 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 1-3 A pressure-adjustable pressure-reducing and stabilizing hydrant comprises an indoor fire hydrant body 1, a water inlet pipe 2 is connected to the bottom of the indoor fire hydrant body 1, a first connecting flange 3 is connected to the bottom of the water inlet pipe 2, a water outlet pipe 4 is connected to the left side of the indoor fire hydrant body 1, a second connecting flange 5 is connected to the left end of the water outlet pipe 4, a first threaded block 6 is fixedly connected to the right side of the indoor fire hydrant body 1, a first threaded rod 7 is threadedly connected to the inner cavity of the first threaded block 6, a knob 8 is fixedly connected to the right end of the first threaded rod 7, a left end of the first threaded rod 7 passes through the inner cavity of the indoor fire hydrant body 1 and is fixedly connected to a valve head 9, a box body 10 is fixedly connected to the bottom of both sides of the indoor fire hydrant body 1, a motor 11 is fixedly connected to the bottom of one side of the inner wall of the box body 10, a second threaded rod 12 is fixedly connected to the output end of the motor 11, a second threaded block 13 is threadedly connected to the surface of the second threaded rod 12, and a movable plate 14 is fixedly connected to the top of the second threaded block 13, A moving column 15 is fixedly connected to the inner side of the moving plate 14, and the inner end of the moving column 15 penetrates into the inner cavity of the indoor fire hydrant body 1 and is fixedly connected to a moving baffle 16. A sealing gasket 17 is bonded and connected to the bottom of the moving baffle 16, and the bottom of the sealing gasket 17 contacts the bottom of the inner wall of the indoor fire hydrant body 1, and the second threaded rod 12 is driven to rotate by the motor 11. The rotation of the second threaded rod 12 drives the second threaded block 13 to move on the surface of the second threaded rod 12 through the thread. The movement of the second threaded block 13 drives the moving plate 14 to move, and the movement of the moving plate 14 drives the moving column 15 to move. The movement of the moving column 15 drives the moving baffle 16 and the sealing gasket 17 to move, so that the two moving baffles 16 and the sealing gasket 17 are moved closer or farther away, thereby changing the opening size of the water inlet pipe 2, realizing the water pressure regulation of the water inlet of the pressure reducing and stabilizing valve, improving the use effect of the pressure reducing and stabilizing valve, and achieving the advantage of adjustable pressure of the pressure reducing and stabilizing valve.

[0019] A first sealing ring 18 is bonded and connected to the right side of the inner wall of the indoor fire hydrant body 1 , and the inner wall of the first sealing ring 18 is in contact with the surface of the first threaded rod 7 .

[0020] Through the above technical solution, by providing the first sealing ring 18, the gap between the indoor fire hydrant body 1 and the first threaded rod 7 is sealed, thereby increasing the sealing performance of the inner cavity of the indoor fire hydrant body 1.

[0021] The inner end of the second threaded rod 12 is sleeved with a bearing seat 19 , and the inner side of the bearing seat 19 is fixedly connected to the inner wall of the box body 10 .

[0022] Through the above technical solution, by providing the bearing seat 19, the second threaded rod 12 is stabilized during rotation, thereby increasing the stability of the second threaded rod 12 during rotation.

[0023] A first guide groove 20 is formed at the bottom of the inner wall of the box body 10 . A first guide block 21 is slidably connected to the inner cavity of the first guide groove 20 . The top of the first guide block 21 is fixedly connected to the bottom of the second threaded block 13 .

[0024] Through the above technical solution, by providing the first guide groove 20 and the first guide block 21, the second threaded block 13 is stabilized during movement, thereby increasing the stability of the second threaded block 13 during movement.

[0025] A second guide groove 22 is formed at the top of the inner wall of the box body 10 . A second guide block 23 is slidably connected to the inner cavity of the second guide groove 22 . The bottom of the second guide block 23 is fixedly connected to the top of the moving plate 14 .

[0026] Through the above technical solution, by providing the second guide groove 22 and the second guide block 23, the movable plate 14 is stabilized during movement, thereby increasing the stability of the movable plate 14 during movement.

[0027] The bottoms of both sides of the inner wall of the indoor fire hydrant body 1 are bonded with second sealing rings 24 , and the inner wall of the second sealing ring 24 is in contact with the surface of the moving column 15 .

[0028] Through the above technical solution, by providing the second sealing ring 24, the gap between the indoor fire hydrant body 1 and the movable column 15 is sealed, thereby increasing the sealing performance of the inner cavity of the indoor fire hydrant body 1.

[0029] The working principle of the utility model is: first, turn the knob 8, the knob 8 rotates to drive the first threaded rod 7 to rotate, the first threaded rod 7 rotates and moves in the inner cavity of the first threaded block 6 through the thread, the first threaded rod 7 rotates and drives the valve head 9 to rotate and move, the valve head 9 closes the water outlet pipe 4 when it is close to the water outlet pipe 4, and opens the water outlet pipe 4 when the valve head 9 is away from the water outlet pipe 4, so as to realize opening and closing the pressure reducing and stabilizing plug, when adjusting the pressure, the motor 11 is turned on by the external controller, the motor 11 starts and drives the second threaded rod 12 to rotate in the inner cavity of the bearing seat 19, the second threaded rod 12 rotates and drives the second threaded block 13 to move on the surface of the second threaded rod 12 through the thread. The second threaded block 13 moves, driving the first guide block 21 to slide in the inner cavity of the first guide groove 20, the second threaded block 13 moves, driving the moving plate 14 to move, the moving plate 14 drives the second guide block 23 to slide in the inner cavity of the second guide groove 22, the moving plate 14 moves, driving the moving column 15 to move, the moving column 15 drives the moving baffle 16 and the sealing gasket 17 to move, so that the two moving baffles 16 and the sealing gasket 17 are moved closer or farther away, thereby changing the opening size of the water inlet pipe 2, realizing the water pressure regulation of the water inlet of the pressure reducing and stabilizing bolt, improving the use effect of the pressure reducing and stabilizing bolt, thereby achieving the advantage of the pressure reducing and stabilizing bolt with adjustable pressure.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-adjustable pressure reducing and stabilizing hydrant, comprising an indoor fire hydrant body (1), characterized in that: The bottom of the indoor fire hydrant body (1) is connected to a water inlet pipe (2), the bottom of the water inlet pipe (2) is connected to a first connecting flange (3), the left side of the indoor fire hydrant body (1) is connected to a water outlet pipe (4), the left end of the water outlet pipe (4) is connected to a second connecting flange (5), the right side of the indoor fire hydrant body (1) is fixedly connected to a first threaded block (6), the inner cavity of the first threaded block (6) is threadedly connected to a first threaded rod (7), the right end of the first threaded rod (7) is fixedly connected to a knob (8), the left end of the first threaded rod (7) penetrates into the inner cavity of the indoor fire hydrant body (1) and is fixedly connected to a valve head (9), and the bottoms of both sides of the indoor fire hydrant body (1) are fixedly connected to a box. (10), a motor (11) is fixedly connected to the bottom of one side of the inner wall of the box body (10), a second threaded rod (12) is fixedly connected to the output end of the motor (11), a second threaded block (13) is threadedly connected to the surface of the second threaded rod (12), a movable plate (14) is fixedly connected to the top of the second threaded block (13), a movable column (15) is fixedly connected to the inner side of the movable plate (14), the inner end of the movable column (15) penetrates into the inner cavity of the indoor fire hydrant body (1) and is fixedly connected to a movable baffle (16), a sealing gasket (17) is bonded to the bottom of the movable baffle (16), and the bottom of the sealing gasket (17) is in contact with the bottom of the inner wall of the indoor fire hydrant body (1).

2. The pressure-adjustable pressure reducing and stabilizing bolt according to claim 1, characterized in that: A first sealing ring (18) is bonded and connected to the right side of the inner wall of the indoor fire hydrant body (1), and the inner wall of the first sealing ring (18) is in contact with the surface of the first threaded rod (7).

3. The pressure-adjustable pressure reducing and stabilizing bolt according to claim 1, characterized in that: The inner end of the second threaded rod (12) is sleeved with a bearing seat (19), and the inner side of the bearing seat (19) is fixedly connected to the inner wall of the box body (10).

4. The pressure-adjustable pressure reducing and stabilizing bolt according to claim 1, characterized in that: A first guide groove (20) is provided at the bottom of the inner wall of the box body (10), a first guide block (21) is slidably connected to the inner cavity of the first guide groove (20), and the top of the first guide block (21) is fixedly connected to the bottom of the second threaded block (13).

5. The pressure-adjustable pressure reducing and stabilizing bolt according to claim 1, characterized in that: A second guide groove (22) is provided at the top of the inner wall of the box body (10), a second guide block (23) is slidably connected to the inner cavity of the second guide groove (22), and the bottom of the second guide block (23) is fixedly connected to the top of the movable plate (14).

6. The pressure-adjustable pressure reducing and stabilizing bolt according to claim 1, characterized in that: The bottoms of both sides of the inner wall of the indoor fire hydrant body (1) are bonded with second sealing rings (24), and the inner wall of the second sealing ring (24) is in contact with the surface of the moving column (15).

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