Rotary decompression indoor fire hydrant

Abstract

The utility model discloses a rotary decompression indoor fire hydrant which comprises a fire hydrant pump body, the bottom of the fire hydrant pump body is rotatably connected with a water inlet pipe, the right side of the fire hydrant pump body is fixedly provided with a water outlet pipe, and the bottom of the inner wall of the fire hydrant pump body is fixedly connected with a rotary unloading cylinder. And the top of the fire hydrant pump body is in threaded connection with an adjusting screw rod through the inner threaded groove, and the surface of the adjusting screw rod is in threaded connection with a threaded sleeve plate. Through the cooperation of the structures, rotary elastic force unloading and pressure reduction can be carried out by rotating the force unloading cylinder in the fire hydrant, buffer structures such as an anti-impact baffle capable of adjusting the pressure reduction distance are arranged in the fire hydrant, water pressure at different positions is sensed according to the arranged sensor for monitoring, and the pressure reduction distance of the fire hydrant is adjusted. And therefore, self-adaptive pressure reduction is formed according to different water pressures, and subsequent adjustment according to the water pressures is facilitated, so that the unloading pressure reduction discharge effect of water flowing through the fire hydrant is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to indoor fire hydrant technical field, concretely is a kind of rotary pressure-reducing indoor fire hydrant. BACKGROUND

[0002] Fire hydrant is called fire hydrant, according to the different use place can be divided into indoor fire hydrant and outdoor fire hydrant, rotary pressure-reducing stable pressure fire hydrant, it is a kind of indoor installation small fire-fighting equipment, through similar to the operating principle of water valve, it is convenient for staff to connect, open and close, it is convenient for relevant personnel to take in time when carrying out indoor fire extinguishing;

[0003] Since now indoor fire hydrant is applied to indoor and used in time extinguishing, and because the different area building and the height change of floor can influence water pressure, if the water pressure in its interior is higher, it can cause unstable water flow, impact in the interior of fire hydrant, possibly lead to valve rod fracture, outlet collapse and other problems, bring certain adverse effect to actual use, thus need to be improved. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of rotary pressure-reducing indoor fire hydrant, with the advantages that rotating elastic force relief pressure can be carried out by rotating force release cylinder in the interior of fire hydrant, and impact baffle and other buffer structures with adjustable pressure relief distance are arranged in the interior of fire hydrant, water pressure at different positions is sensed according to the monitoring sensor arranged, and then self-adaptive pressure relief according to different water pressure is realized, and it is convenient to adjust according to water pressure subsequently, certain beneficial effect is brought to actual use, the problems raised in above background technology are solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rotary pressure-reducing indoor fire hydrant, including fire hydrant pump body, the bottom of the fire hydrant pump body is rotatably connected with inlet pipe, the right side of the fire hydrant pump body is fixedly installed with outlet pipe, the bottom of the inner wall of the fire hydrant pump body is fixedly connected with rotating force release cylinder, the top of the fire hydrant pump body is connected with adjusting screw by internal thread groove screw thread, the surface of the adjusting screw is connected with screw sleeve plate with screw thread, the bottom of the screw sleeve plate is fixedly connected with lifting plate, the top of the lifting plate and the upper surface of the inner wall of the fire hydrant pump body are fixedly connected with limit expansion link, the bottom of the lifting plate is fixedly connected with sliding inner rod, the surface of the sliding inner rod is slidably connected with sliding outer sleeve, the top of the sliding outer sleeve is fixedly connected with movable sleeve plate, the top of the movable sleeve plate and the bottom of the lifting plate are connected with compression spring by damping pad, the bottom of the sliding outer sleeve is clamped with the impact baffle of impact sensor.

[0006] Preferably, the main body of the rotating force relieving cylinder is a sealed hollow cylinder, a waterproof spring telescopic rod is connected to the top of the sealed hollow cylinder near the inner wall thereof through a supporting plate, one end of the waterproof spring telescopic rod is rotatably connected with a rotating disc through a bearing, a sealing groove plate is fixedly connected to the surface of the sealed hollow cylinder near the middle part thereof, and the inner wall of the sealing groove plate and the bottom of the rotating disc are sealingly abutted.

[0007] Preferably, the bottom of the rotating disc is fixedly connected with an anti-collision buffer pad, and the overall shape of the anti-collision buffer pad is semicircular.

[0008] Preferably, a filter screen plate is fixedly connected to the side of the rotating force relieving cylinder near the middle part thereof, the overall shape of the filter screen plate is funnel-shaped, and the circumferential part of the filter screen plate is higher than the central part of the filter screen plate.

[0009] Preferably, a sealing sliding sleeve plate is fixedly connected to the middle part of the fire hydrant pump body near the inner wall thereof, the inner wall of the sealing sliding sleeve plate and the surface of the sliding outer sleeve are slidingly connected, the top of the sealing sliding sleeve plate is fixedly connected with a guide sliding rod, and the side of the movable sleeve plate is fixedly connected with a guide sliding sleeve, the inner wall of the guide sliding sleeve and the surface of the guide sliding rod are slidingly connected.

[0010] Preferably, a clamping groove is formed in the top of the fire hydrant pump body, a protective cover is magnetically clamped to the inner wall of the clamping groove, and the inside of the protective cover is sleeved on the outside of the adjusting screw.

[0011] Preferably, an activated carbon filter screen is fixedly connected to the left side of the water outlet pipe near the inner wall thereof, a stabilizing frame is fixedly installed on the surface of the inner wall of the water outlet pipe, and the inside of the stabilizing frame is rotatably connected with a drainage impeller with a rotating speed sensor through a bearing.

[0012] Compared with the prior art, the utility model has the advantages that: in the utility model, the inner wall of the rotary force relieving cylinder on the fire hydrant pump body is contacted by the water flow first and is impacted to be opened, the rotating disc is guided to move upward and is relieved by the elasticity of the waterproof spring telescopic rod, the water flow is buffered under the water pressure, the anti-collision buffer pad is added to reduce the impact force of the water flow on the rotating disc, the rotating disc that is impacted upward can be far away from the sealing groove plate and leak out of the through-flow slot, the water flow can be poured into the main cavity of the fire hydrant pump body, and the initial force relieving when the water flow is impacted can be realized; in the utility model, the adjusting screw rod on the fire hydrant pump body is rotated to move in the internal thread groove on the fire hydrant pump body, the movement track of the thread sleeve plate is limited by the limiting telescopic rod, the rotating of the adjusting screw rod can drive the height movement of the thread sleeve plate, the height change of the anti-impact baffle from the rotating force relieving cylinder is changed, the impact sensor in the anti-impact baffle can sense the impact strength, the sliding outer sleeve can slide on the sliding inner rod under the impact force, the force relieving is realized by extruding and compressing the spring between the movable sleeve plate and the lifting plate, the guide sliding rod and the guide sliding sleeve are added for limiting, the anti-impact baffle can be lifted stably, the height of the anti-impact baffle can be adjusted according to the water pressure, the water flow impact force is adapted to be buffered and relieved, the water flow is filtered by the filter screen plate and the activated carbon filter screen in the outlet pipe, the water flow is driven to rotate by the drainage impeller, the rotation speed sensor in the drainage impeller can record the rotation speed, the change of the water flow impact pressure can be judged by the impact sensor in the anti-impact baffle and the rotation speed sensor in the drainage impeller, and the force relieving and discharge effect of the water flow in the fire hydrant can be realized. BRIEF DESCRIPTION OF DRAWINGS

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

[0014] Figure 2 It is the structural schematic diagram of the rotating force relieving cylinder in the utility model;

[0015] Figure 3 It is the internal structure schematic diagram of the outlet pipe in the utility model;

[0016] Figure 4 It is the internal structure schematic diagram of the protective cover in the utility model;

[0017] Figure 5 It is the structural schematic diagram of the anti-impact baffle in the utility model;

[0018] Figure 6 It is the enlarged view of A in the utility model.

[0019] Fig. 1, fire hydrant pump body; 2, water inlet pipe; 3, water outlet pipe; 4, rotating force relief cylinder; 5, adjusting screw; 6, threaded sleeve plate; 7, lifting plate; 8, limiting telescopic rod; 9, sliding inner rod; 10, sliding outer sleeve; 11, movable sleeve plate; 12, compression spring; 13, impact-resistant baffle; 14, waterproof spring telescopic rod; 15, rotating disc; 16, sealing groove plate; 17, anti-collision buffer pad; 18, filter screen plate; 19, sealing sliding sleeve plate; 20, guide sliding rod; 21, guide sliding sleeve; 22, clamping groove; 23, protective cover; 24, activated carbon filter screen; 25, stabilizing frame; 26, drainage impeller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment 1, please refer to Figures 1 to 6 The present application provides a technical solution: a rotating pressure-reducing indoor fire hydrant, comprising a fire hydrant pump body 1, a water inlet pipe 2 is rotatably connected to the bottom of the fire hydrant pump body 1, a water outlet pipe 3 is fixedly installed on the right side of the fire hydrant pump body 1, a rotating force relief cylinder 4 is fixedly connected to the bottom of the inner wall of the fire hydrant pump body 1, an adjusting screw 5 is threadedly connected to the top of the fire hydrant pump body 1 through an internal thread groove, a threaded sleeve plate 6 is threadedly connected to the surface of the adjusting screw 5, a lifting plate 7 is fixedly connected to the bottom of the threaded sleeve plate 6, a limiting telescopic rod 8 is fixedly connected between the top of the lifting plate 7 and the upper surface of the inner wall of the fire hydrant pump body 1, a sliding inner rod 9 is fixedly connected to the bottom of the lifting plate 7, a sliding outer sleeve 10 is slidingly connected to the surface of the sliding inner rod 9, a movable sleeve plate 11 is fixedly connected to the top of the sliding outer sleeve 10, a compression spring 12 is connected between the top of the movable sleeve plate 11 and the bottom of the lifting plate 7 through a damping pad, and an impact-resistant baffle 13 with an impact sensor is connected to the bottom of the sliding outer sleeve 10.

[0022] Further, a filter screen plate 18 is fixedly connected to the side surface of the rotating force relief cylinder 4 near the middle part thereof, the overall shape of the filter screen plate 18 is funnel-shaped, and the circumferential part of the filter screen plate 18 is higher than the central part of the filter screen plate 18, so that the water flow can be filtered once, and the filterable impurities can be gathered in the middle part of the filter screen plate 18 for subsequent cleaning.

[0023] Further, the fire hydrant pump body 1 is fixedly connected with a sealing sliding sleeve plate 19 near the middle of the inner wall of the fire hydrant pump body 1, the inner wall of the sealing sliding sleeve plate 19 is in sliding connection with the surface of the sliding outer sleeve 10, the top of the sealing sliding sleeve plate 19 is fixedly connected with a guide sliding rod 20, the side of the movable sleeve plate 11 is fixedly connected with a guide sliding sleeve 21, the inner wall of the guide sliding sleeve 21 is in sliding connection with the surface of the guide sliding rod 20, the guide sliding rod 20 and the guide sliding sleeve 21 are added for limiting, so that the impact-resistant baffle 13 can stably ascend and descend.

[0024] Further, the top of the fire hydrant pump body 1 is provided with a clamping groove 22, the inner wall of the clamping groove 22 is magnetically attracted and clamped with a protective cover 23, and the inside of the protective cover 23 is sleeved on the outside of the adjusting screw 5, and the protective cover 23 can be installed to cover the adjusting screw 5 in the normal state to protect and cover the adjusting screw 5.

[0025] Embodiment 2, please refer to Figures 1 to 6 , the difference between this embodiment and embodiment 1 is that the main body of the rotating force relieving cylinder 4 is a sealed hollow cylinder, the top of the sealed hollow cylinder near the inner wall is connected with a waterproof spring telescopic rod 14 through a support plate, one end of the waterproof spring telescopic rod 14 is rotatably connected with a rotating disc 15 through a bearing, the surface near the middle of the sealed hollow cylinder is fixedly connected with a sealing groove plate 16, and the inner wall of the sealing groove plate 16 is in sealing abutment with the bottom of the rotating disc 15. The bottom of the rotating disc 15 is fixedly connected with an anti-collision buffer pad 17, and the overall shape of the anti-collision buffer pad 17 is semicircular. The water flow will first contact the rotating disc 15 to impact and open, and the rotating disc 15 will be guided to move upward by rotating and the internal elasticity of the waterproof spring telescopic rod 14 to relieve the water flow under the action of water pressure. The anti-collision buffer pad 17 is added to reduce the impact force of the water flow on the rotating disc 15. The rotating disc 15 that is impacted upward can be away from the sealing groove plate 16 to leak out of the flow slot.

[0026] Further, the active carbon filter screen 24 is fixedly connected to the left side of the inner wall of the water outlet pipe 3, the surface of the inner wall of the water outlet pipe 3 is fixedly installed with a stabilizing frame 25, the inside of the stabilizing frame 25 is rotatably connected with a drainage impeller 26 with a rotating speed sensor through a bearing, the active carbon filter screen 24 in the water outlet pipe 3 is secondarily filtered, and the discharged water flow drives the drainage impeller 26 to rotate, and the rotating speed sensor in the drainage impeller 26 can record the rotating speed.

[0027] Working principle: the rotary decompression indoor fire hydrant in use, the bottom of the fire hydrant pump body 1 is provided with an inlet pipe 2 for introducing water flow, the water flow will first enter the inner wall of the rotary unloading cylinder 4 in the fire hydrant pump body 1, the water flow will first contact the rotating disc 15 to impact and open, and the rotating disc 15 will be guided to unload by rotating and the internal elastic unloading of the waterproof spring telescopic rod 14 during upward movement, and the water flow will be buffered and unloaded under the action of water pressure, and the anti-collision buffer pad 17 can reduce the impact force of the water flow on the rotating disc 15, the rotating disc 15 impacted upward can be away from the sealing groove plate 16 to leak out of the through-flow slot, and the water flow can be poured into the main cavity of the fire hydrant pump body 1, and because the water pressure is affected by the different areas of the building and the height of the floor, the adjustable water pressure unloading adjusting structure can be added inside the rotary unloading cylinder 4, that is, the protective cover 23 can be removed to leak out the adjusting screw 5 inside, the adjusting screw 5 is manually rotated to move in the internal thread groove of the fire hydrant pump body 1, the movement track of the threaded sleeve plate 6 is limited by the limiting telescopic rod 8, so that the rotation of the adjusting screw 5 can drive the threaded sleeve plate 6 to move in height, thereby changing the height change of the anti-impact baffle 13 from the rotary unloading cylinder 4, the impact sensor in the anti-impact baffle 13 can sense the impact strength, and under the action of the impact force, the sliding sleeve 10 can slide on the sliding inner rod 9, the elastic spring 12 is compressed between the movable sleeve plate 11 and the lifting plate 7 to unload, the guide sliding rod 20 and the guide sliding sleeve 21 are used for limiting, so that the anti-impact baffle 13 can stably ascend and descend, according to the water pressure condition, the height of the anti-impact baffle 13 can be adjusted up and down, the water flow impact force can be adaptively buffered and unloaded, and the water flow will be filtered once by the filter screen plate 18 and twice by the activated carbon filter screen 24 in the outlet pipe 3, the water flow discharged will drive the drainage impeller 26 to rotate, the rotation speed sensor in the drainage impeller 26 can record the rotation speed, so as to adjust the unloading and pressure reduction discharge effect of the water flow in the fire hydrant.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rotary pressure reducing indoor fire hydrant comprising a fire hydrant pump body (1), characterized in that: The bottom of the fire hydrant pump body (1) is rotationally connected with an inlet pipe (2), the right side of the fire hydrant pump body (1) is fixedly installed with an outlet pipe (3), the bottom of the inner wall of the fire hydrant pump body (1) is fixedly connected with a rotary force relief cylinder (4), the top of the fire hydrant pump body (1) is threadedly connected with an adjusting screw (5) through an internal thread groove, the surface of the adjusting screw (5) is threadedly connected with a threaded sleeve plate (6), the bottom of the threaded sleeve plate (6) is fixedly connected with a lifting plate (7), the top of the lifting plate (7) and the upper surface of the inner wall of the fire hydrant pump body (1) are fixedly connected with a limiting telescopic rod (8), the bottom of the lifting plate (7) is fixedly connected with a sliding inner rod (9), the surface of the sliding inner rod (9) is slidingly connected with a sliding outer sleeve (10), the top of the sliding outer sleeve (10) is fixedly connected with a movable sleeve plate (11), the top of the movable sleeve plate (11) and the bottom of the lifting plate (7) are connected with a compression spring (12) through a damping pad, and the bottom of the sliding outer sleeve (10) is clamped with an anti-impact baffle (13) provided with an impact sensor.

2. A rotary pressure reducing indoor fire hydrant according to claim 1, characterized in that: The main body of the rotary force relief cylinder (4) is a sealed hollow cylinder, a waterproof spring telescopic rod (14) is connected to the top of the inner wall of the sealed hollow cylinder through a supporting plate, one end of the waterproof spring telescopic rod (14) is rotationally connected with a rotating disc (15) through a bearing, a sealing groove plate (16) is fixedly connected to the surface of the sealed hollow cylinder near the middle part, and the inner wall of the sealing groove plate (16) and the bottom of the rotating disc (15) are sealingly abutted.

3. A rotary pressure reducing indoor fire hydrant according to claim 2, characterized in that: The bottom of the rotating disc (15) is fixedly connected with an anti-collision buffer pad (17), and the overall shape of the anti-collision buffer pad (17) is semicircular.

4. A rotary pressure reducing indoor fire hydrant according to claim 1, characterized in that: A filter screen plate (18) is fixedly connected to the side of the rotary force relief cylinder (4) near the middle part, the overall shape of the filter screen plate (18) is funnel-shaped, and the circumferential part of the filter screen plate (18) is higher than the central part of the filter screen plate (18).

5. A rotary pressure reducing indoor fire hydrant according to claim 1, wherein: A sealing sliding sleeve plate (19) is fixedly connected to the middle part of the inner wall of the fire hydrant pump body (1), the inner wall of the sealing sliding sleeve plate (19) and the surface of the sliding outer sleeve (10) are slidingly connected, the top of the sealing sliding sleeve plate (19) is fixedly connected with a guide sliding rod (20), the side of the movable sleeve plate (11) is fixedly connected with a guide sliding sleeve (21), and the inner wall of the guide sliding sleeve (21) and the surface of the guide sliding rod (20) are slidingly connected.

6. A rotary pressure reducing indoor fire hydrant according to claim 1, characterized in that: A clamping groove (22) is formed in the top of the fire hydrant pump body (1), a protective cover (23) is magnetically clamped to the inner wall of the clamping groove (22), and the inside of the protective cover (23) is sleeved on the outside of the adjusting screw (5).

7. A rotary pressure reducing indoor fire hydrant according to claim 1, characterized in that: An active carbon filter screen (24) is fixedly connected to the left side of the inner wall of the outlet pipe (3), a stabilizing frame (25) is fixedly installed on the surface of the inner wall of the outlet pipe (3), and a drainage impeller (26) provided with a rotating speed sensor is rotationally connected to the inside of the stabilizing frame (25) through a bearing.

Images