Device for rapidly controlling water pressure of fire-fighting pipeline

Abstract

The utility model provides a device for rapidly controlling water pressure of a fire-fighting pipeline, and belongs to the technical field of fire-fighting equipment. A first connecting flange is arranged at one end of the barrel, a second connecting flange is arranged at the other end of the barrel, the valve element and the valve plates are arranged in the barrel, the motor is arranged outside the barrel and is in transmission connection with a transmission device, and the transmission device drives the valve plates to swing in the barrel; the first connecting flange and the second connecting flange arranged at one end of the barrel are used for connecting a fire hydrant and a fire-fighting pipeline, the motor drives the valve plate to swing in the barrel through the transmission device to change the flow and pressure of water flowing through the barrel, and the water pressure in the fire-fighting pipeline is rapidly controlled by means of the characteristics of convenient control and rapid response of the motor. The mechanical valve does not need to be manually operated, manpower and time are saved, and rescue work is conveniently carried out.

Description

Technical Field

[0001] This utility model relates to the field of fire protection equipment technology, and more specifically, to a device for quickly controlling the water pressure of fire protection pipelines. Background Technology

[0002] In recent years, with the rapid development of the social economy and the accelerating pace of urban construction, the importance of fire protection has become increasingly prominent. However, the informatization of fire protection facilities has failed to keep pace with urban development. Current firefighting mainly relies on fire trucks drawing water from municipal or outdoor fire water supply networks via fire hoses and nozzles. Fire trucks, due to their limited water capacity, often need to locate water sources during firefighting, making fire hydrants crucial for water supply. High-rise building fires require pressurized water spraying, but in emergencies involving personnel or rescuers, high-pressure water can cause secondary injuries. Typically, high-pressure water is directed towards uninhabited areas or building stairwells to avoid serious injury. However, densely populated residential areas rarely have uninhabited areas, and spraying high-pressure water onto building stairwells can damage external wall insulation and structural components, wasting water resources and damaging public facilities.

[0003] Therefore, there is an urgent need for a device to quickly control the water pressure in fire-fighting pipelines. Utility Model Content

[0004] In view of this, the present invention utilizes a motor to control the rotation of the valve plate, thereby controlling the flow rate and pressure of the water flowing through the cylinder.

[0005] The technical solution of this utility model is implemented as follows: A device for quickly controlling the water pressure of fire pipelines includes a cylinder, a first connecting flange at one end of the cylinder and a second connecting flange at the other end, and also includes a motor, a valve core and at least two valve plates. The valve core and valve plates are disposed inside the cylinder, and the motor is disposed outside the cylinder. The motor is driven by a transmission device, which drives the valve plates to swing inside the cylinder.

[0006] Based on the above technical solutions, preferably, the system also includes a support, which is disposed on the inner wall of the cylinder, and the valve core is fixedly disposed on the support.

[0007] Based on the above technical solutions, preferably, the support includes a support plate and at least one support rod, with both ends of the support rod disposed on the inner wall of the cylinder, and the support plate being connected to the support rod.

[0008] Based on the above technical solutions, preferably, the support plate is arranged perpendicular to the length direction of the cylinder, the valve core is fixedly arranged on the support plate, and the valve plate is arranged around the valve core.

[0009] Based on the above technical solutions, preferably, one end of the valve plate is provided with a valve plate pin, and the other end of the valve plate is provided with a valve plate insertion hole. The valve plate pin is inserted into the valve core, and the valve plate insertion hole is located on the inner wall of the cylinder.

[0010] Based on the above technical solutions, preferably, the transmission device includes a main transmission rod and at least two sets of transmission mechanisms. The output end of the motor is connected to the main transmission rod, and the main transmission rod is connected to the transmission mechanisms. The transmission mechanisms are connected to each other, and the transmission mechanisms are configured to correspond one-to-one with the valve plates.

[0011] Based on the above technical solutions, preferably, the transmission mechanism includes a transmission body, a connecting rod, a first connecting column, a second connecting column, and a power transmission rod. The connecting rod is fixedly connected to the transmission body. The connecting rod, the first connecting column, and the second connecting column are arranged in parallel. One end of the power transmission rod is hinged to the first connecting column, and the other end is hinged to the second connecting column of the adjacent transmission mechanism.

[0012] Based on the above technical solutions, preferably, the transmission body is provided with a transmission fixing hole and a transmission clamping groove, the transmission clamping groove extends from the transmission fixing hole to one end of the transmission body, one end of the connecting rod is inserted into the transmission fixing hole, and the other end is inserted into the valve plate insertion hole.

[0013] Based on the above technical solutions, preferably, the transmission device further includes a fastening bolt, which is disposed on the transmission body and passes through the transmission clamping groove.

[0014] Based on the above technical solutions, preferably, the valve plate is provided with a first stacking groove on one side and a second stacking groove on the other side, the first stacking groove of the valve plate is configured to cooperate with the second stacking groove of the adjacent valve plate; the second stacking groove of the valve plate is configured to cooperate with the first stacking groove of the adjacent valve plate.

[0015] This utility model provides a device for quickly controlling water pressure in fire-fighting pipelines, which has the following advantages over existing technologies:

[0016] (1) The first and second connecting flanges at one end of the cylinder are used to connect the fire hydrant and the fire pipeline. The motor drives the valve plate to swing in the cylinder through the transmission device to change the flow rate and pressure of the water flowing in the cylinder. The motor can quickly control the water pressure in the fire pipeline by taking advantage of its easy control and fast response characteristics. There is no need for manual operation of mechanical valves, which saves manpower and time and facilitates rescue work.

[0017] (2) The valve core is used to fix the valve plate. Due to the large water pressure inside the cylinder, in order to better fix the valve core, a bracket is used to fix it on the inner wall of the cylinder, and then the valve core is fixed on the bracket to avoid the valve core being not fixed firmly or shifting under the impact of water flow inside the cylinder. Attached Figure Description

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a perspective view of a device for quickly controlling water pressure in fire-fighting pipelines according to the present invention;

[0020] Figure 2 This is a partial structural schematic diagram of a device for quickly controlling water pressure in fire-fighting pipelines according to the present invention;

[0021] Figure 3 This is a perspective view of the valve core of this utility model;

[0022] Figure 4 This is a perspective view of the valve plate of this utility model;

[0023] Figure 5 This is a perspective view of the transmission body of this utility model. Detailed Implementation

[0024] 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 a part of the embodiments of this utility model, and not all of them. 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 protection scope of this utility model.

[0025] like Figure 1-5As shown, a device for rapidly controlling water pressure in fire-fighting pipelines includes a cylinder 1. One end of the cylinder 1 has a first connecting flange 11, and the other end has a second connecting flange 12. It also includes a motor 3, a valve core 2, and at least two valve discs 21. The valve core 2 and valve discs 21 are disposed inside the cylinder 1, while the motor 3 is disposed outside the cylinder 1. The motor 3 is driven by a transmission device 4, which drives the valve discs 21 to swing within the cylinder 1. The first connecting flange 11 and the second connecting flange 12 at one end of the cylinder 1 are used to connect fire hydrants and fire-fighting pipelines. The motor 3, through the transmission device 4, drives the valve discs 21 to swing within the cylinder 1, changing the flow rate and pressure of the water flowing through the cylinder 1. Utilizing the easy control and rapid response characteristics of the motor 3, the water pressure in the fire-fighting pipeline can be quickly controlled without the need for manual operation of mechanical valves, saving manpower and time and facilitating rescue operations.

[0026] It also includes a bracket 5, which is disposed on the inner wall of the cylinder 1, and the valve core 2 is fixedly disposed on the bracket 5. The valve core 2 is used to fix the valve plate 21. Due to the high water pressure inside the cylinder 1, in order to better fix the valve core 2, the bracket 5 is fixed to the inner wall of the cylinder 1, and then the valve core 2 is fixed on the bracket 5 to prevent the valve core 2 from being unstable or shifting under the impact of the water flow inside the cylinder 1.

[0027] The bracket 5 includes a support plate 51 and at least one support rod 52. Both ends of the support rod 52 are disposed on the inner wall of the cylinder 1, and the support plate 51 is connected to the support rod 52. The bracket 5 may consist of multiple support rods 52 fixedly disposed on the inner wall of the cylinder 1 and support plates 51 connected to the support rods 52. The support plate 51 is used to fix the valve core 2.

[0028] The support plate 51 is arranged perpendicular to the length direction of the cylinder 1, the valve core 2 is fixedly mounted on the support plate 51, and the valve plate 21 is arranged around the valve core 2. The support plate 51 is arranged perpendicular to the length direction of the cylinder 1, and the valve plate 21 connected to the valve core 2 is arranged around the valve core 2. During the rotation of the valve plate 21, it can affect the flow rate and pressure of the water flowing through the cylinder 1, so as to achieve the purpose of controlling the water pressure.

[0029] One end of the valve plate 21 is provided with a valve plate pin 211, and the other end of the valve plate 21 is provided with a valve plate insertion hole 212. The valve plate pin 211 is inserted into the valve core 2, and the valve plate insertion hole 212 is located on the inner wall of the cylinder 1. The valve plate 21 is mounted on the valve core 2 through the valve plate pin 211 and on the cylinder 1 through the valve plate insertion hole 212. The valve plate 21 swings under the action of the motor 3.

[0030] The transmission device 4 includes a main transmission rod 42 and at least two sets of transmission mechanisms 43. The output end of the motor 41 is connected to the main transmission rod 42. The main transmission rod 42 is connected to the transmission mechanism 43. The transmission mechanisms 43 are connected to each other. The transmission mechanism 43 is arranged in a one-to-one correspondence with the valve plate 21.

[0031] The transmission mechanism 43 includes a transmission body 431, a connecting rod 435, a first connecting column 432, a second connecting column 433, and a power transmission rod 434. The connecting rod 435 is fixedly connected to the transmission body 431. The connecting rod 435, the first connecting column 432, and the second connecting column 433 are arranged in parallel. One end of the power transmission rod 434 is hinged to the first connecting column 432, and the other end is hinged to the second connecting column 433 of the adjacent transmission mechanism 43.

[0032] Both the first connecting post 432 and the second connecting post 433 are protruding balls. Both ends of the power transmission rod 434 are provided with a groove that engages with the ball, ensuring that the power transmission rod 434 is hinged to the first connecting post 432 and the second connecting post 433.

[0033] The transmission body 431 is provided with a transmission fixing hole 4311 and a transmission clamping groove 4312. The transmission clamping groove 4312 extends from the transmission fixing hole 4311 to one end of the transmission body 431. One end of the connecting rod 435 is inserted into the transmission fixing hole 4311, and the other end is inserted into the valve plate insertion hole 212.

[0034] The transmission device 4 also includes a fastening bolt 41, which is disposed on the transmission body 431 and passes through the transmission clamping groove 4312.

[0035] The valve plate 21 has a first stacking groove 213 on one side and a second stacking groove 214 on the other side. The first stacking groove 213 of the valve plate 21 is configured to cooperate with the second stacking groove 214 of the adjacent valve plate 21. The second stacking groove 214 of the valve plate 21 is configured to cooperate with the first stacking groove 213 of the adjacent valve plate.

[0036] How to use a device for quickly controlling water pressure in fire-fighting pipelines:

[0037] In use, the first connecting flange 11 and the second connecting flange 12 at the end of the cylinder 1 are used to connect the fire hydrant and the fire pipeline. Since the cylinder 1 is a straight cylinder, the motor 3 can rotate in both directions. Therefore, the first connecting flange 11 and the second connecting flange 12 are not distinguished by their orientation. For better sealing, gaskets or sealant can be added to the first connecting flange 11 and the second connecting flange 12.

[0038] When the motor 3 is started, the main transmission rod 42 connected to the motor 3 is coaxially fixed with the connecting rod 435 of one of the transmission mechanisms 43. After the motor 3 starts, it drives the connecting rod 435 and the transmission body 431 of the transmission mechanism 43 to swing. One end of the connecting rod 435 extends into the cylinder 1 and is inserted into the valve plate hole 212 and fixedly connected to the valve plate 21 of the valve plate hole 212, which drives the valve plate 21 to swing to control the water flow in the cylinder 1. When the transmission body 431 of the transmission mechanism 43 swings, the power transmission rod 434 hinged to the first connecting column 432 transmits power to the second connecting column 433 of the adjacent transmission mechanism 43. The valve plate 21 of the other transmission mechanism 43 swings synchronously, realizing that all the valve plates 21 swing at the same time, controlling the flow rate and pressure of the water flowing through the cylinder 1.

[0039] To further improve the sealing performance of the entire device and reduce friction, each connecting rod 435 is provided with a corresponding sealing bearing 6, which is fixedly mounted on the cylinder 1.

[0040] The above description is only a preferred embodiment of the present utility model and is 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 should be included within the protection scope of the present utility model.

Claims

1. A device for rapidly controlling the water pressure of a fire-fighting pipeline, comprising a cylinder (1), wherein a first connecting flange (11) is provided at one end of the cylinder (1) and a second connecting flange (12) is provided at the other end, characterized in that: It also includes a motor (3), a valve core (2) and at least two valve plates (21). The valve core (2) and valve plates (21) are arranged inside the cylinder (1), and the motor (3) is arranged outside the cylinder (1). The motor (3) is connected to a transmission device (4), and the transmission device (4) drives the valve plates (21) to swing inside the cylinder (1).

2. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 1, characterized in that: It also includes a bracket (5), which is disposed on the inner wall of the cylinder (1), and the valve core (2) is fixedly disposed on the bracket (5).

3. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 2, characterized in that: The bracket (5) includes a support plate (51) and at least one support rod (52). Both ends of the support rod (52) are set on the inner wall of the cylinder (1), and the support plate (51) is connected to the support rod (52).

4. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 3, characterized in that: The support plate (51) is arranged perpendicular to the length direction of the cylinder (1), the valve core (2) is fixedly arranged on the support plate (51), and the valve plate (21) is arranged around the valve core (2).

5. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 3, characterized in that: One end of the valve plate (21) is provided with a valve plate pin (211), and the other end of the valve plate (21) is provided with a valve plate insertion hole (212). The valve plate pin (211) is inserted into the valve core (2), and the valve plate insertion hole (212) is provided on the inner wall of the cylinder (1).

6. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 5, characterized in that: The transmission device (4) includes a main transmission rod (42) and at least two sets of transmission mechanisms (43). The output end of the motor (3) is connected to the main transmission rod (42). The main transmission rod (42) is connected to the transmission mechanism (43). The transmission mechanisms (43) are connected to each other. The transmission mechanism (43) and the valve plate (21) are arranged in a one-to-one correspondence.

7. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 6, characterized in that: The transmission mechanism (43) includes a transmission body (431), a connecting rod (435), a first connecting column (432), a second connecting column (433), and a power transmission rod (434). The connecting rod (435) is fixedly connected to the transmission body (431). The connecting rod (435), the first connecting column (432), and the second connecting column (433) are arranged in parallel. One end of the power transmission rod (434) is hinged to the first connecting column (432), and the other end is hinged to the second connecting column (433) of the adjacent transmission mechanism (43).

8. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 7, characterized in that: The transmission body (431) is provided with a transmission fixing hole (4311) and a transmission clamping groove (4312). The transmission clamping groove (4312) extends from the transmission fixing hole (4311) to one end of the transmission body (431). One end of the connecting rod (435) is inserted into the transmission fixing hole (4311), and the other end is inserted into the valve plate hole (212).

9. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 8, characterized in that: The transmission device (4) also includes a fastening bolt (41), which is disposed on the transmission body (431) and passes through the transmission clamping groove (4312).

10. The device for rapidly controlling water pressure in fire-fighting pipelines as described in claim 1, characterized in that: The valve plate (21) has a first stacking groove (213) on one side and a second stacking groove (214) on the other side. The first stacking groove (213) of the valve plate (21) is configured to cooperate with the second stacking groove (214) of the adjacent valve plate (21). The second stacking groove (214) of the valve plate (21) is configured to cooperate with the first stacking groove (213) of the adjacent valve plate.

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