Pressure-stabilizing rectification high-pressure water-spraying fire extinguisher
By introducing a voltage stabilizing and rectifying structure and a built-in throttle handle design into the water sprinkler fire extinguisher, the problems of unstable water spray pressure and easy damage to the handle have been solved, thereby improving the fire extinguishing effect and service life of the water sprinkler fire extinguisher.
Patent Information
- Application Number
- CN202423120204.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing high-pressure pumps of water sprinkler fire extinguishers lack a pressure stabilizing and rectifying structure, resulting in unstable water pressure, poor atomization effect, and easy damage to the throttle handle, which affects the fire extinguishing effect and service life.
A high-pressure water spray fire extinguisher with stable pressure and rectification is designed. It adopts a pilot-operated pressure reducing valve and a pressure stabilizing tank to maintain stable water pressure. The throttle handle is built into the frame and protected by a vibration damping mechanism and a protective plate structure, so as to achieve adjustable water spray pressure and prevent damage to the handle.
It achieves stable water spray pressure and improved atomization effect, prevents damage to the throttle handle, improves fire extinguishing efficiency and user comfort, saves water resources and facilitates maintenance.
Smart Images

Figure CN223746879U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a fire extinguishing device technical field, specifically a kind of steady voltage rectification high pressure water jet fire extinguisher. BACKGROUND
[0002] Forest fire site surface fire or residual fire cleaning work generally uses wind fire extinguisher, but, because the surface fire or residual fire that wind fire extinguisher extinguishes cannot be completely removed, often there is the situation of residual fire rekindling, always causes repeated forest fire extinguishing work, consumes a lot of manpower and material resources, under this condition, water jet fire extinguisher is often used in forest fire site surface fire or residual fire cleaning work with wind fire extinguisher with the effect of work done twice as much with half the effort.
[0003] At present, the high pressure pump of the water jet fire extinguisher used in market has no steady voltage rectification structure, leading to unstable water injection pressure and poor atomization effect, and the fire extinguishing effect is not ideal, further, the throttle handle is fixed on the surface of the rack, and is easy to be scratched or damaged by branches or hard objects during fire extinguishing operation, causing the machine to be unable to be normally used. UTILITY MODEL CONTENTS
[0004] The utility model discloses a fire extinguishing device technical field, specifically a kind of steady voltage rectification high pressure water jet fire extinguisher, its water injection pressure is stable, and water atomization effect is good, and simultaneously, throttle handle is in the inside of rack, can effectively prevent throttle handle from being accidentally damaged.
[0005] The utility model discloses a fire extinguishing device technical field, specifically a kind of steady voltage rectification high pressure water jet fire extinguisher, its water injection pressure is stable, and water atomization effect is good, and simultaneously, throttle handle is in the inside of rack, can effectively prevent throttle handle from being accidentally damaged.
[0006] Preferably, an oil handle is arranged on the right lower side of the inside of the rack, and the oil handle is connected with the throttle pull wire of the gasoline engine.
[0007] Further, a pressure gauge is arranged on one side of the pilot operated pressure reducing valve, and the pressure gauge is through the outlet of the pilot operated pressure reducing valve.
[0008] Further, a backwater pipe is arranged between the outer leak of the pilot operated pressure reducing valve and the water supply pipeline.
[0009] Further, an upper support plate is arranged at the middle position of the interior of the frame, the water tank is placed on the upper part of the upper support plate, and several horizontal pipes on the frame are distributed around the water tank.
[0010] Further, the front side of the upper support plate is hingedly connected with a horizontal pipe at the middle part of the front side of the frame, and the back side of the upper support plate is placed on the upper part of a horizontal pipe at the middle part of the back side of the frame.
[0011] Further, a left guard plate is fixedly arranged at the lower part of the left side of the frame, and a right guard plate is arranged at the lower part of the right side of the frame, the upper part of the right guard plate is hingedly connected with a corresponding horizontal pipe of the frame, and the lower part of the right guard plate is connected with a corresponding horizontal pipe at the lower part of the frame through two buckles.
[0012] Further, a lower support plate is fixedly arranged at the lower interior side of the frame, and the bottom of the gasoline engine and the high-pressure pump are fixedly arranged on the lower support plate through damping mechanisms.
[0013] Further, the damping mechanism is a rubber damper, an air damper or a spring damper.
[0014] Further, the water supply pipeline comprises a first water supply pipe, a second water supply pipe, a Y-shaped three-way joint and a collecting pipe, the water inlet ends of the first water supply pipe and the second water supply pipe are in communication with the bottom of the water tank, the water outlet ends of the first water supply pipe and the second water supply pipe are in communication with two interfaces of the Y-shaped three-way joint respectively, the collecting pipe realizes the through connection of the Y-shaped three-way joint and the water inlet of the high-pressure pump, and a quick plug is arranged at the outer end of the water jet pipe.
[0015] The utility model discloses beneficial effect is: the utility model simple structure is favorable to realize processing and manufacturing, through the first water supply pipeline and the second water supply pipeline synchronous water supply to high pressure pump, thereby can guarantee high pressure pump water sufficient, under the condition of high pressure pump water sufficient, then, it is convenient to effectively guarantee the water flow atomization effect of final water jet end, utilize the pilot type pressure reducing valve can realize the adjustment of water jet pressure, and then improved the flexible application of the utility model, simultaneously, when water jet resistance is too big, the outer leak of pilot type pressure reducing valve opens, and then realizes the overpressure protection of high pressure pump, further, the water flow of outer leak enters the water inlet of high pressure pump again through the backwater pipe, realizes the reuse of water flow, reaches the purpose of saving water resources, utilize the pressure tank can maintain the water pressure in the water jet pipe basically constant, thereby guaranteeing the atomization of water flow, the oil door handle is in the inside of frame, can effectively prevent the accidental damage of oil door handle, and the rotation adjustment range of oil door handle is all located in the inside of frame, thereby also can realize the anti-bump protection of oil door handle after the rotation adjustment of oil door handle, utilize the damping effect of damping mechanism to effectively reduce the vibration influence of gasoline engine and high pressure pump to frame in the working process, thereby can reduce the vibration influence of frame to the back of user, improved the operation use comfort degree of the utility model, in the utility model, the upper support plate and right guard plate can be turned over and opened, can make maintenance, check, maintenance work more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is partial preferred embodiment of the utility model, and for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.
[0017] Figure 1 It is the overall structure schematic diagram of the utility model;
[0018] Figure 2 It is the overall structure side view of the utility model;
[0019] Figure 3 It is the local structure schematic diagram of the utility model;
[0020] Figure 4 It is Figure 1 The enlarged view in A of the middle;
[0021] Figure 5 It is Figure 1 The enlarged view in B of the middle;
[0022] Figure 6 It is Figure 2 The enlarged view in C of the middle;
[0023] Figure 7 For Figure 2 Enlarged view at D in the middle;
[0024] In the figure: 1 frame, 11 upper support plate, 12 left guard plate, 13 right guard plate, 131 observation port, 14 shoulder strap ear, 15 lower support plate, 16 support tube, 2 water tank, 21 first water supply pipe, 22 second water supply pipe, 23 Y-shaped tee joint, 24 manifold, 3 gasoline engine, 31 throttle handle, 4 high-pressure pump, 41 water inlet pipe, 5 pilot-operated pressure reducing valve, 51 water return pipe, 52 pressure gauge, 6 water spray pipe, 7 pressure stabilizing tank, 8 buckle, 9 rubber shock absorber. DETAILED DESCRIPTION
[0025] The specific embodiments will be described below with reference to the accompanying drawings. Figures 1-7 The technical solutions in the embodiments of the present application are clearly and completely described, and obviously, the described embodiments are only a part of the preferred embodiments of the present application, rather than all the embodiments. Those skilled in the art can make similar modifications without departing from the connotation of the present application, and therefore the present application is not limited by the specific embodiments disclosed below.
[0026] The present application provides a kind of steady voltage rectification high pressure water spray fire extinguishing machine (such as Figure 1The utility model discloses a kind of water injection devices, including rack 1, water tank 2, gasoline engine 3, high-pressure pump 4, pilot pressure reducing valve 5, water injection pipe 6, pressure tank 7, rack 1 is the main support structure of the utility model, for the convenience guaranteeing the structural strength of rack 1 while lightening the weight of rack 1, several bending pipe fittings and cross pipe can be used to realize the machining and manufacture of rack 1 by welding method;Meanwhile, for the convenience using rack 1 to realize the overall knapsack movement of the utility model, rack 1 can be made into square knapsack, water tank 2 is used to store a certain amount of fire extinguishing water source, water tank 2 upper portion is provided with water inlet with plugging cap, gasoline engine 3, high-pressure pump 4, pilot pressure reducing valve 5 and pressure tank 7 are mature technical products known in prior art field, so the detailed structure and working principle of gasoline engine 3, high-pressure pump 4, pilot pressure reducing valve 5 and pressure tank 7 are not described in detail here, the water tank 2 is arranged on the inside upper side of the rack 1, the gasoline engine 3 and high-pressure pump 4 are arranged on the inside lower side of the rack 1, the gasoline engine 3 is used to drive the high-pressure pump 4, a water supply pipeline is arranged through between the bottom of the water tank 2 and the water inlet of the high-pressure pump 4, the water outlet of the high-pressure pump 4 is connected with the inlet of the pilot pressure reducing valve 5, the outlet of the pilot pressure reducing valve 5 is connected with the inlet of the water injection pipe 6, the pressure tank 7 is connected with the water injection pipe 6.In actual application, when gasoline engine 3 starts to drive high-pressure pump 4 to operate, then the high-pressure water flow of high-pressure pump 4 flows into water injection pipe 6 through the pressure reducing port of pilot pressure reducing valve 5, so as to realize the pressure adjustment of water injection pipe 6, using the pressure regulating characteristics of pilot pressure reducing valve 5, different pressure adjustment in water injection pipe 6 can be realized, then the water injection pressure adjustment demand of fire extinguishing site can be met, pressure tank 7 is connected with water injection pipe 6, using the pressure stabilizing characteristics of pressure tank 7, the water pressure in water injection pipe 6 can be effectively guaranteed to maintain in a certain range, so as to realize the water injection pressure stability of water injection pipe 6, which provides guarantee for effectively realizing water injection fire extinguishing.
[0027] In the specific embodiment, in order to reduce the overall weight of the utility model, facilitate carrying in fire extinguishing operation, the gasoline engine 2 is a small gasoline engine, the throttle of the small gasoline engine is usually connected with the throttle handle through a throttle pull wire, and the combination of the throttle handle and the throttle pull wire facilitates the throttle control of the small gasoline engine. In actual operation, in order to prevent the throttle handle 31 from being accidentally damaged by branches, the throttle handle 31 is arranged at the right lower inner position of the frame 1. Specifically, a support pipe 16 is vertically arranged at the right lower inner position of the frame 1, the support pipe 16 is provided with a screw through hole, the screw of the throttle handle 31 is threaded in the screw through hole, and then the locking nut on the screw is locked to realize the fixed installation of the throttle handle 31 on the support pipe 16. The throttle handle 31 is connected with the throttle pull wire of the gasoline engine in the frame 1, and the throttle handle 31 is rotated and adjusted in the frame 1. The rotation adjustment range does not exceed the boundary of the frame 1, thereby realizing the all-round protection of the throttle handle 31, and effectively preventing the throttle handle 31 from being damaged or scratched by branches or hard objects in actual fire extinguishing process.
[0028] In actual application, in order to realize the feedback of the pressure in the water spraying pipe 6, a pressure gauge 52 is arranged on one side of the pilot pressure reducing valve 5, the pressure gauge 52 is communicated with the outlet of the pilot pressure reducing valve 5, the operator can adjust the outlet pressure value of the pilot pressure reducing valve 5 according to the pressure information fed back by the pressure gauge 52 in real time, thereby facilitating the adjustment of the pressure value in the water spraying pipe 6 according to actual demand. According to the functional characteristics of the pilot pressure reducing valve 5, when the outlet pressure of the pilot pressure reducing valve 5 is too large, the pilot pressure reducing valve 5 can be discharged through the external discharge port, thereby realizing an overpressure protection. In the specific embodiment, when the pilot pressure reducing valve 5 discharges water through the external discharge port, in order to realize the saving of water resources, a backwater pipe 51 is arranged between the external discharge port of the pilot pressure reducing valve 5 and the water supply pipeline, the discharged water enters the water supply pipeline again through the backwater pipe 51, thereby realizing the repressurization and use of the high-pressure pump 4.
[0029] On the basis of the above-mentioned embodiments, in order to facilitate the placement of the water tank 2 on the frame 1, here, an upper support plate 11 is arranged at the middle position of the interior of the frame 1, the water tank 2 is placed on the upper portion of the upper support plate 11, and several horizontal tubes on the frame 1 are distributed around the water tank 2. The horizontal tubes distributed around the water tank 2 can effectively realize the displacement of the water tank 2 on the upper support plate 11. In order to reduce the weight of the upper support plate 11, the upper support plate 11 is arranged in a hollow shape. Further, in order to facilitate the opening of the upper support plate 11 for smooth maintenance and repair of the gasoline engine 3 and the high-pressure pump 4 located thereunder, the front side of the upper support plate 11 is hingedly connected to a horizontal tube at the middle of the front side of the frame 1 through two hinges, and the rear side of the upper support plate 11 is lapped on the upper portion of a horizontal tube at the middle of the rear side of the frame 1.
[0030] In order to effectively and safely protect the gasoline engine 3 and the high-pressure pump 4, here, a left guard plate 12 is fixedly arranged at the lower left side of the frame 1. In order to facilitate the smooth emergence of the water spray pipe 6 from the interior of the left guard plate 12, here, a through hole corresponding to the water spray pipe 6 is arranged on the left guard plate 12. In order to reduce the weight of the left guard plate 12, the left guard plate 12 is arranged in a hollow shape. A right guard plate 13 is arranged at the lower right side of the frame 1. The upper portion of the right guard plate 13 is hingedly connected to the corresponding horizontal tube of the frame 1 through two hinges. The use of hinges facilitates the smooth opening of the right guard plate 13, thereby facilitating the maintenance and repair of the gasoline engine 3 and the high-pressure pump 4. The lower portion of the right guard plate 13 is connected to the corresponding horizontal tube at the lower portion of the frame 1 through two buckles 8. The buckle 8 is a mature product known in the mechanical field, and therefore the specific structure of the buckle 8 is not described in detail here. The use of the buckle 8 can quickly realize the fixed connection and separation of the lower portion of the right guard plate 13 and the corresponding horizontal tube. In order to reduce the weight of the right guard plate 13, the right guard plate 13 can be processed into a hollow shape. Further, in order to facilitate the observation of the value of the pressure gauge 52, an observation port 131 corresponding to the pressure gauge 52 is arranged on the right guard plate 13. In order to facilitate the rotational adjustment of the throttle handle 31 on the outside of the right guard plate 13, an operation port corresponding to the throttle handle 31 is arranged on the right guard plate 13. After the fingers of the operator penetrate the operation port, the throttle handle 31 can be directly rotated and adjusted.
[0031] On the basis of the above-mentioned embodiments, the specific embodiment of the gasoline engine 3 and the high-pressure pump 4 arranged on the lower side of the frame 1 is that a lower support plate 15 is fixedly arranged on the lower side of the frame 1, and the bottom of the gasoline engine 3 and the high-pressure pump 4 are fixedly arranged on the lower support plate 15 through damping mechanisms, which can be rubber dampers or air dampers or spring dampers. The rubber dampers, air dampers and spring dampers are common technical products in the damping field, and thus the damping principles and detailed structures of the rubber dampers, air dampers and spring dampers are not described in detail. In the specific embodiment, the damping mechanisms are rubber dampers 9, specifically, the bottom of the gasoline engine is fixedly arranged on the lower support plate 15 through two rubber dampers 9, and the bottom of the high-pressure pump 4 is fixedly arranged on the lower support plate 15 through two rubber dampers 9. The damping effect of the rubber dampers 9 effectively reduces the vibration influence of the gasoline engine and the high-pressure pump on the frame during the working process, thereby reducing the vibration influence of the frame on the back of the user and improving the operation comfort of the utility model.
[0032] On the basis of the above-mentioned embodiments, the specific embodiment of the water supply pipeline is that the water supply pipeline comprises a first water supply pipe 21, a second water supply pipe 22, a Y-shaped three-way joint 23 and a collecting pipe 24. The water inlet ends of the first water supply pipe 21 and the second water supply pipe 22 are in communication with the bottom of the water tank 2. Specifically, two quick plug female heads are arranged on the bottom of the water tank 2, and a quick plug male head is arranged on the water inlet end of each of the first water supply pipe 21 and the second water supply pipe 22. The quick plug male heads are inserted into the quick plug female heads to realize the communication between the water tank 2 and the corresponding first water supply pipe 21 and second water supply pipe 22. The water outlet ends of the first water supply pipe 21 and the second water supply pipe 22 are in communication with two interfaces of the Y-shaped three-way joint 23. The collecting pipe 14 realizes the communication connection between the Y-shaped three-way joint 23 and the water inlet 41 of the high-pressure pump 4. The water outlet end of the backwater pipe 51 can be directly connected in communication with the water inlet 41. The first water supply pipe 21 and the second water supply pipe 22 are used to synchronously supply water to the water inlet 41, and the large flow rate effectively meets the water pumping demand of the high-pressure pump 4. A quick plug joint is arranged on the outer end of the water jet pipe 6. The quick plug joint arranged on the water jet pipe 6 is used to facilitate the quick communication between the external pipeline and the water jet pipe 6, and the high-pressure water flow in the water jet pipe 6 is used for fire extinguishing operation.
[0033] In actual application, in order to facilitate the carrying of the utility model in the wild, two left and right distributed shoulder strap hanging ears 14 are arranged on the upper front side of the frame 1, and two left and right distributed shoulder strap hanging ears 14 are arranged on the lower front side of the frame 1. The shoulder strap hanging ears 14 are used to realize the connection between the shoulder strap and the frame 1, so that the shoulder strap is used to carry the utility model.
[0034] In the utility model, "upper", "lower", "front", "rear", "left", "right" are relative positions for the convenience of describing position relation, therefore cannot be understood as absolute positions for the limitation of the protection scope.
[0035] In addition to the technical features described in the specification, they are known to the skilled in the art.
[0036] The preferred embodiments and examples of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples, and for ordinary skilled in the art, several improvements and modifications can be made without departing from the concept of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.
Claims
1. A stabilized rectifier high pressure water jet extinguishing machine, characterized in that, The utility model provides a water injection device, including frame, water tank, gasoline engine, high pressure pump, pilot operated pressure reducing valve, water injection pipe, pressure tank, the water tank sets up inside upper side of frame, the gasoline engine and high pressure pump set up inside lower side of frame, the gasoline engine is used for driving high pressure pump, through arrangement one water supply pipeline between the water tank bottom and the water inlet of high pressure pump, the water outlet of high pressure pump with the import of pilot operated pressure reducing valve through connection, the export of pilot operated pressure reducing valve with the import of water injection pipe through connection, the pressure tank with water injection pipe through connection.
2. A constant voltage rectifier high pressure water jet extinguishing machine according to claim 1, characterized in that The inside lower right side of the frame is provided with a throttle handle, and the throttle handle is connected with a throttle pull wire of the gasoline engine.
3. A stabilized rectifier high pressure water jet extinguishing machine according to claim 2, characterized in that One side of the pilot operated pressure reducing valve is provided with a pressure gauge, and the pressure gauge is through with the outlet of the pilot operated pressure reducing valve.
4. A constant voltage rectifier high pressure water jet extinguishing machine according to claim 2 or 3, characterized in that, A backwater pipe is arranged between the outlet of the pilot operated pressure reducing valve and the water supply pipeline.
5. A stabilized rectifier high pressure water jet extinguishing machine according to claim 4, characterized in that An upper support plate is arranged at the middle position of the inside of the frame, the water tank is placed on the upper part of the upper support plate, and a plurality of horizontal pipes on the frame are distributed around the water tank.
6. A stabilized rectifier high pressure water jet extinguishing machine according to claim 5, characterized in that, The front side of the upper support plate is connected with a horizontal pipe in the middle of the front side of the frame through two hinges, and the back side of the upper support plate is placed on the upper part of a horizontal pipe in the middle of the back side of the frame.
7. A stabilized rectifier high pressure water jet extinguishing machine according to claim 4, characterized in that A left guard plate is fixedly arranged at the lower left side of the frame, a right guard plate is arranged at the lower right side of the frame, the upper part of the right guard plate is connected with the corresponding horizontal pipe of the frame through two hinges, and the lower part of the right guard plate is connected with the corresponding horizontal pipe of the lower part of the frame through two buckles.
8. A steady voltage rectification high pressure water jet fire extinguishing machine according to claim 4, characterized in that, in A lower support plate is fixedly arranged at the lower inside of the frame, and the bottom of the gasoline engine and the high pressure pump are fixedly arranged on the lower support plate through a damping mechanism.
9. The steady voltage rectification high pressure water injection extinguishing machine according to claim 8, characterized in that, The damping mechanism is a rubber shock absorber, an air shock absorber or a spring shock absorber.
10. A stabilized rectifier high pressure water jet extinguishing machine according to any one of claims 5-9, characterized in that, The water supply pipeline comprises a first water supply pipe, a second water supply pipe, a Y-shaped tee joint and a flow pipe, the water inlet ends of the first water supply pipe and the second water supply pipe are through with the bottom of the water tank, the water outlet ends of the first water supply pipe and the second water supply pipe are respectively through with two interfaces of the Y-shaped tee joint, the flow pipe realizes the through connection of the Y-shaped tee joint and the water inlet of the high pressure pump, and a quick plug connector is arranged at the outer end of the water injection pipe.