阅读说明：本技术 一种便于操作的消防栓 (Fire hydrant convenient to operation ) 是由 金韬 于 2019-10-14 设计创作，主要内容包括：本发明涉及一种便于操作的消防栓,包括主体、管道和排水管,还包括转动机构和至少两个移动机构,所述转动机构包括传动轴、按压组件、四个卡接组件、四个伸缩组件和四个扶手,所述按压组件包括推拉块、伸缩柱和第二弹簧,所述卡接组件包括支撑柱、第一弹簧、传动柱和限位块,所述移动机构包括安装座、第四弹簧、两个夹持柱和至少两个滚轮,该便于操作的消防栓中,通过转动机构,可以延长人们推动传动轴的过程中推力的力臂,从而减小了人们推动传动轴转动所需要的力,从而提高了消防栓使用的便捷度,通过移动机构,可以对管道起到支撑作用,同时提高了管道移动位置的便捷度,从而提高了消防栓的实用性。(The invention relates to a fire hydrant convenient to operate, which comprises a main body, a pipeline, a drain pipe, a rotating mechanism and at least two moving mechanisms, wherein the rotating mechanism comprises a transmission shaft, a pressing assembly, four clamping assemblies, four telescopic assemblies and four handrails, the pressing assembly comprises a push-pull block, a telescopic column and a second spring, the clamping assemblies comprise a support column, a first spring, a transmission column and a limiting block, the moving mechanism comprises a mounting seat, a fourth spring, two clamping columns and at least two rollers, in the fire hydrant convenient to operate, the force arm of thrust in the process of pushing the transmission shaft by people can be prolonged through the rotating mechanism, the force required by the people for pushing the transmission shaft to rotate is reduced, the convenience and the convenience in use of the fire hydrant are improved, the pipeline can be supported through the moving mechanisms, and the convenience in moving positions of the pipeline is improved, thereby improving the practicability of the fire hydrant.)

1. the fire hydrant convenient to operate comprises a main body (1), a pipeline (2) and a drain pipe (3), wherein the pipeline (2) and the drain pipe (3) are both arranged inside the main body (1), and the fire hydrant is characterized by further comprising a rotating mechanism and at least two moving mechanisms, wherein the rotating mechanism is arranged above the drain pipe (3), and the moving mechanisms are uniformly arranged on the pipeline (2);

The rotating mechanism comprises a transmission shaft (8), a pressing assembly, four clamping assemblies, four telescopic assemblies and four handrails (4), the transmission shaft (8) is vertically arranged above the drain pipe (3), the pressing assembly is arranged above the transmission shaft (8), each clamping assembly is uniformly arranged along the circumferential direction of the transmission shaft (8), one end of each telescopic assembly is uniformly arranged on the periphery of the transmission shaft (8) in the circumferential direction, the telescopic assemblies correspond to the clamping assemblies one to one, the telescopic assemblies are arranged below the clamping assemblies, and each handrail (4) is arranged at the other end of each telescopic assembly respectively;

The pressing assembly comprises a push-pull block (7), a telescopic column (15) and a second spring (14), the telescopic column (15) is vertically arranged above the transmission shaft (8), the push-pull block (7) is arranged above the transmission shaft (8), the second spring (14) is sleeved on the periphery of the telescopic column (15), one end of the second spring (14) is arranged on the transmission shaft (8), and the other end of the second spring (14) is arranged on the push-pull block (7);

The clamping assembly comprises a supporting column (12), a first spring (13), a transmission column (6) and a limiting block (11), wherein the supporting column (12) is vertically arranged on one side above the transmission shaft (8), the upper end of the supporting column (12) is hinged to the middle of the transmission column (6), the limiting block (11) is arranged below one end, far away from the push-pull block (7), of the transmission column (6), one end, close to the push-pull block (7), of the transmission column (6) is arranged below the push-pull block (7), the first spring (13) is vertically arranged, one end of the first spring (13) is arranged below one end, close to the push-pull block (7), of the transmission column (6), and the other end of the first spring (13) is arranged above the transmission shaft (8);

The telescopic component comprises an installation sleeve (5), a connecting column (9), a third spring (19), a sliding block (17), a strip-shaped groove (10) and a sliding groove (18), one end of the connecting column (9) is arranged above one side of the transmission shaft (8), the installation sleeve (5) is sleeved on the other end of the connecting column (9), the strip-shaped groove (10) is circumferentially arranged on one end, close to the transmission shaft (8), of the installation sleeve (5), a limiting block (11) is arranged inside the strip-shaped groove (10), the third spring (19) is arranged inside the installation sleeve (5), one end of the third spring (19) is arranged at the bottom of the installation sleeve (5), the other end of the third spring (19) is arranged on the other end of the connecting column (9), the handrail (4) is arranged on one end, far away from the transmission shaft (8), of the installation sleeve (5), the periphery of the connecting column (9) is also provided with a sliding chute (18), the sliding chute (18) is spirally distributed along the axis of the connecting column (9), the projection of the sliding chute (18) on the vertical section of the connecting column (9) is arc-shaped, the inner wall of the mounting sleeve (5) is provided with a sliding block (17), and the sliding block (17) is arranged on the sliding chute (18);

The moving mechanism comprises an installation seat (23), a fourth spring (21), two clamping columns (20) and at least two idler wheels (22), each idler wheel (22) is arranged below the installation seat (23), one ends of the two clamping columns (20) are hinged above the installation seat (23), the other ends of the two clamping columns (20) are connected with two ends of the fourth spring (21) respectively, and the pipeline (2) is arranged between the two clamping columns (20);

Be equipped with the signal indication module on main part (1), the signal indication module includes signal indication circuit, signal indication circuit includes solid state relay U2, switch S1, eighth resistance R8, electric capacity C1 and pilot lamp EL, solid state relay U2 'S positive input end is connected with switch S1 through eighth resistance R8, solid state relay U2' S positive output end is connected with switch S1 and eighth resistance R8 respectively, solid state relay U2 'S positive input end is connected with solid state relay U2' S negative input end through electric capacity C1, solid state relay U2 'S negative input end and solid state relay U2' S negative output end all are connected with the pilot lamp EL.

2. A fire hydrant according to claim 1 in which the stopper (11) has a vertical cross-section in the shape of a right triangle, the face of the hypotenuse being located on the side of the stopper (11) remote from the drive shaft (8).

3. a fire hydrant according to claim 1, wherein four buffer blocks (16) are arranged below the push-pull block (7), the buffer blocks (16) are circumferentially and uniformly arranged around the lower portion of the push-pull block (7), the buffer blocks (16) are in one-to-one correspondence with the driving pillars (6), and one end of the driving pillars (6) close to the push-pull block (7) is arranged below the buffer blocks (16).

4. A fire hydrant according to claim 1 in which the first spring (13) is in compression.

5. A fire hydrant according to claim 1 in which the third spring (19) is in compression.

6. a fire hydrant according to claim 1 in which the inside of the chute (18) is also coated with a lubricant.

7. A fire hydrant according to claim 1 in which the two retaining posts (20) are provided with a rubber pad (24) on each side adjacent the pipe (2).

8. A fire hydrant according to claim 7 in which the rubber pad (24) is made of rubber.

9. A fire hydrant according to claim 1 in which the roller (22) is a universal wheel.

10. A fire hydrant according to claim 1 in which the gripping post (20) is made of stainless steel.

Technical Field

the invention relates to the field of security and protection equipment, in particular to a fire hydrant convenient to operate.

background

The security protection mainly comprises a closed circuit monitoring system, an anti-theft alarm system, a building intercom system, a parking factory management system, a community all-purpose card system, an infrared perimeter alarm system, an electronic fence, a night watching system, an attendance access control system, a security protection machine room system, an electronic examination room system, an intelligent door lock and the like, wherein the basic configuration of each subsystem comprises the following steps: the system comprises three units of a front end, transmission, information processing, control, display and communication.

The fire hydrant is used as one of security equipment, which is visible everywhere in life of people, the using frequency of the common fire hydrant is low, so that all parts of the fire hydrant are easy to age, the valve armrest of the fire hydrant is not flexible to rotate, the armrest of the fire hydrant is small, and a proper acting point is difficult to find, so that the fire hydrant is difficult to open in emergency, when a fire disaster occurs, if the fire hydrant is difficult to unscrew, the life and property safety of people can be seriously threatened, moreover, in the using process of the pipeline in the common fire hydrant, the inside of the pipeline is filled with water, so that the weight of the pipeline is increased, the position of the pipeline is difficult to freely move in the using process of people, and the fire extinguishing effect of the fire hydrant is reduced.

disclosure of Invention

the technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the fire hydrant is convenient to operate.

the technical scheme adopted by the invention for solving the technical problems is as follows: a fire hydrant convenient to operate comprises a main body, a pipeline and a drain pipe, wherein the pipeline and the drain pipe are both arranged inside the main body;

The rotating mechanism comprises a transmission shaft, a pressing assembly, four clamping assemblies, four telescopic assemblies and four handrails, the transmission shaft is vertically arranged above the drain pipe, the pressing assembly is arranged above the transmission shaft, each clamping assembly is uniformly arranged along the circumferential direction of the transmission shaft, one end of each telescopic assembly is uniformly arranged on the periphery of the transmission shaft in the circumferential direction, the telescopic assemblies correspond to the clamping assemblies one to one, the telescopic assemblies are arranged below the clamping assemblies, and the handrails are respectively arranged at the other ends of the telescopic assemblies;

The pressing assembly comprises a push-pull block, a telescopic column and a second spring, the telescopic column is vertically arranged above the transmission shaft, the push-pull block is arranged above the transmission shaft, the second spring is sleeved on the periphery of the telescopic column, one end of the second spring is arranged on the transmission shaft, and the other end of the second spring is arranged on the push-pull block;

The clamping assembly comprises a supporting column, a first spring, a transmission column and a limiting block, wherein the supporting column is vertically arranged on one side above the transmission shaft, the upper end of the supporting column is hinged with the middle part of the transmission column, the limiting block is arranged below one end, far away from the push-pull block, of the transmission column, one end, close to the push-pull block, of the transmission column is arranged below the push-pull block, the first spring is vertically arranged, one end of the first spring is arranged below one end, close to the push-pull block, of the transmission column, and the other end of the first spring is arranged above the transmission shaft;

The telescopic component comprises an installation sleeve, a connecting column, a third spring, a slider, a strip-shaped groove and a sliding groove, one end of the connecting column is arranged above one side of the transmission shaft, the installation sleeve is sleeved on the other end of the connecting column, the strip-shaped groove is circumferentially arranged at one end, close to the transmission shaft, of the installation sleeve, the limiting block is arranged inside the strip-shaped groove, the third spring is arranged inside the installation sleeve, one end of the third spring is arranged at the bottom of the installation sleeve, the other end of the third spring is arranged at the other end of the connecting column, the handrail is arranged at one end, far away from the transmission shaft, of the installation sleeve, the periphery of the connecting column is further provided with a sliding groove, the sliding groove is spirally distributed along the axis of the connecting column, the projection of the sliding groove on the vertical section of the connecting column is arc-shaped, and the inner wall, the sliding block is arranged on the sliding groove;

the moving mechanism comprises an installation seat, a fourth spring, two clamping columns and at least two idler wheels, each idler wheel is arranged below the installation seat, one ends of the two clamping columns are hinged above the installation seat, the other ends of the two clamping columns are respectively connected with two ends of the fourth spring, and the pipeline is arranged between the two clamping columns;

Be equipped with the signal indication module on the main part, the signal indication module includes signal indication circuit, signal indication circuit includes solid state relay U2, switch S1, eighth resistance R8, electric capacity C1 and pilot lamp EL, solid state relay U2 'S positive input end is connected with switch S1 through eighth resistance R8, solid state relay U2' S positive output end is connected with switch S1 and eighth resistance R8 respectively, solid state relay U2 'S positive input end is connected with solid state relay U2' S negative input end through electric capacity C1, solid state relay U2 'S negative input end and solid state relay U2' S negative output end all are connected with the pilot lamp EL.

preferably, in order to reduce the resistance of the limiting block to the installation sleeve in the process of moving the installation sleeve in the direction close to the transmission shaft, the vertical section of the limiting block is in the shape of a right triangle, and the surface where the hypotenuse of the right triangle is located is arranged on one side, far away from the transmission shaft, of the limiting block.

preferably, in order to reduce the abrasion between the push-pull block and the transmission column, four buffer blocks are arranged below the push-pull block, the buffer blocks are circumferentially and uniformly arranged around the lower portion of the push-pull block, the buffer blocks are in one-to-one correspondence with the transmission column, and one end, close to the push-pull block, of the transmission column is arranged below the buffer blocks.

Preferably, in order to reduce the probability that the limiting block is separated from the inside of the strip-shaped groove, the first spring is in a compressed state.

Preferably, the third spring is in a compressed state in order to drive the mounting sleeve in a direction away from the drive shaft.

Preferably, in order to reduce wear between the slider and the runner, the inside of the runner is also coated with a lubricant.

preferably, in order to improve the firmness of the two clamping columns for clamping the pipeline, one sides of the two clamping columns, which are close to the pipeline, are respectively provided with a rubber pad.

Preferably, in order to further improve the firmness of the clamping of the two clamping columns on the pipeline, the rubber pad is made of rubber.

Preferably, in order to improve the convenience of pipeline removal, the gyro wheel is the universal wheel.

Preferably, the clamping column is made of stainless steel to prolong the service life of the clamping column.

The fire hydrant has the advantages that the rotating mechanism can prolong the force arm of thrust in the process of pushing the transmission shaft by people, so that the force required by pushing the transmission shaft to rotate by people is reduced, and the using convenience of the fire hydrant is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a hydrant of the present invention for ease of operation;

FIG. 2 is a top view of the swivel mechanism of the easy to operate hydrant of the present invention;

FIG. 3 is a front view of the swivel mechanism of the hydrant of the present invention for ease of operation;

FIG. 4 is a schematic structural view of a telescoping assembly of the hydrant of the present invention for ease of operation;

FIG. 5 is a schematic structural view of the moving mechanism of the hydrant of the present invention for easy operation;

fig. 6 is a schematic circuit diagram of the hydrant of the present invention for easy operation;

In the figure: 1. the novel pipeline joint comprises a main body, 2, a pipeline, 3, a drain pipe, 4, a handrail, 5, an installation sleeve, 6, a transmission column, 7, a push-pull block, 8, a transmission shaft, 9, a connection column, 10, a strip-shaped groove, 11, a limiting block, 12, a supporting column, 13, a first spring, 14, a second spring, 15, a telescopic column, 16, a buffer block, 17, a sliding block, 18, a sliding groove, 19, a third spring, 20, a clamping column, 21, a fourth spring, 22, a roller, 23, an installation seat and 24 rubber pads.

Detailed Description

the present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the fire hydrant convenient to operate comprises a main body 1, a pipeline 2 and a drain pipe 3, wherein the pipeline 2 and the drain pipe 3 are both arranged inside the main body 1, the fire hydrant further comprises a rotating mechanism and at least two moving mechanisms, the rotating mechanism is arranged above the drain pipe 3, and the moving mechanisms are uniformly arranged on the pipeline 2;

As shown in fig. 2, the rotating mechanism includes a transmission shaft 8, a pressing assembly, four clamping assemblies, four telescopic assemblies and four handrails 4, the transmission shaft 8 is vertically arranged above the drain pipe 3, the pressing assembly is arranged above the transmission shaft 8, each clamping assembly is uniformly arranged along the circumferential direction of the transmission shaft 8, one end of each telescopic assembly is uniformly arranged on the periphery of the transmission shaft 8 in the circumferential direction, the telescopic assemblies correspond to the clamping assemblies one to one, the telescopic assemblies are arranged below the clamping assemblies, and the handrails 4 are respectively arranged at the other ends of the telescopic assemblies;

When people in fire need to use the fire hydrant, people only need to manually knock the pressing assembly, and then push one end of the four clamping assemblies through the pressing assembly, so that the four clamping assemblies respectively loosen the four telescopic assemblies, and under the action of the four telescopic assemblies, the four handrails 4 are pushed to move towards the direction far away from the transmission shaft 8, so that the force arm of thrust exerted by people when pushing the handrails 4 is prolonged, the thrust required by people for opening the fire hydrant is reduced, and when the handrails 4 move, the four handrails 4 are rotated to the vertical direction from the horizontal direction through the telescopic assemblies, so that the convenience and comfort level for people to grab the handrails 4 are improved;

As shown in fig. 3, the pressing assembly includes a push-pull block 7, a telescopic column 15 and a second spring 14, the telescopic column 15 is vertically disposed above the transmission shaft 8, the push-pull block 7 is disposed above the transmission shaft 8, the second spring 14 is sleeved on the periphery of the telescopic column 15, one end of the second spring 14 is disposed on the transmission shaft 8, and the other end of the second spring 14 is disposed on the push-pull block 7;

The clamping assembly comprises a supporting column 12, a first spring 13, a transmission column 6 and a limiting block 11, wherein the supporting column 12 is vertically arranged on one side above the transmission shaft 8, the upper end of the supporting column 12 is hinged with the middle part of the transmission column 6, the limiting block 11 is arranged below one end, far away from the push-pull block 7, of the transmission column 6, one end, close to the push-pull block 7, of the transmission column 6 is arranged below the push-pull block 7, the first spring 13 is vertically arranged, one end of the first spring 13 is arranged below one end, close to the push-pull block 7, of the transmission column 6, and the other end of the first spring 13 is arranged above the transmission shaft 8;

The stability of the push-pull block 7 is improved under the supporting action of the telescopic column 15, when people knock the push-pull block 7, the push-pull block 7 moves downwards, so that one end, close to the transmission shaft 8, of the transmission column 6 is pushed to move downwards through the push-pull block 7, under the supporting action of the supporting column 12, the limiting action of the limiting block 11 on the telescopic assembly is eliminated by driving the limiting block 11 to move upwards through the transmission column 6, so that the telescopic assembly can extend, when the pressure on the push-pull block 7 is eliminated, under the action of the second spring 14, the push-pull block 7 moves upwards, so that the pressure of the push-pull block 7 on one end, close to the transmission shaft 8, of the transmission column 6 is reduced, and under the action of the first spring 13, the limiting block 11 is pushed to move downwards through the transmission column 6;

as shown in fig. 4, the telescopic assembly includes a mounting sleeve 5, a connecting post 9, a third spring 19, a slider 17, a strip-shaped groove 10 and a sliding groove 18, one end of the connecting post 9 is disposed above one side of the transmission shaft 8, the mounting sleeve 5 is sleeved on the other end of the connecting post 9, the strip-shaped groove 10 is circumferentially disposed on one end of the mounting sleeve 5 close to the transmission shaft 8, a limiting block 11 is disposed inside the strip-shaped groove 10, the third spring 19 is disposed inside the mounting sleeve 5, one end of the third spring 19 is disposed at the bottom of the mounting sleeve 5, the other end of the third spring 19 is disposed at the other end of the connecting post 9, the handrail 4 is disposed on one end of the mounting sleeve 5 far away from the transmission shaft 8, the periphery of the connecting post 9 is further provided with a sliding groove 18, the sliding groove 18 is spirally distributed along the axis of the connecting post 9, the projection of the sliding groove 18 on the vertical section of the connecting column 9 is arc-shaped, the inner wall of the mounting sleeve 5 is provided with a sliding block 17, and the sliding block 17 is arranged on the sliding groove 18;

wherein, under the supporting action of the connecting column 9, the stability of the mounting sleeve 5 is improved, and simultaneously the mounting sleeve 5 can move along the connecting column 9, when the limiting block 11 moves upwards, the limiting block 11 moves out of the inner part of the strip-shaped groove 10, so that the acting force of the limiting block 11 on the mounting sleeve 5 disappears, and then the mounting sleeve 5 is pushed to move towards the direction far away from the transmission shaft 8 under the action of the third spring 19, so that the handrail 4 is pushed to move towards the direction far away from the transmission shaft 8 through the mounting sleeve 5, while the mounting sleeve 5 moves along the connecting column 9, the mounting sleeve 5 is driven to rotate under the interaction of the sliding groove 18 and the sliding block 17, so as to drive the handrail 4 to rotate from the horizontal direction to the vertical direction through the installation sleeve 5, and then people push the transmission shaft 8 to rotate through the handrail 4, so as to open the valve of the fire hydrant;

As shown in fig. 5, the moving mechanism includes a mounting seat 23, a fourth spring 21, two clamping columns 20 and at least two rollers 22, each roller 22 is disposed below the mounting seat 23, one end of each clamping column 20 is hinged above the mounting seat 23, the other end of each clamping column 20 is connected to two ends of the fourth spring 21, and the pipe 2 is disposed between the two clamping columns 20;

Under the action of the fourth spring 21, the two clamping columns 20 are pulled to rotate around the hinge points of the two clamping columns 20 and the installation seat 23 in the mutually approaching direction, so that the pipeline 2 is clamped by the two clamping columns 20, the pipeline 2 is fixed above the installation seat 23, and then the installation seat 23 can move on the ground under the action of the roller 22, so that the moving convenience of the pipeline 2 is improved, and the fire extinguishing effect of the fire hydrant is improved;

Be equipped with the signal indication module on the main part 1, the signal indication module includes signal indication circuit, signal indication circuit includes solid state relay U2, switch S1, eighth resistance R8, electric capacity C1 and pilot lamp EL, solid state relay U2 'S positive input end is connected with switch S1 through eighth resistance R8, solid state relay U2' S positive output end is connected with switch S1 and eighth resistance R8 respectively, solid state relay U2 'S positive input end is connected with solid state relay U2' S negative input end through electric capacity C1, solid state relay U2 'S negative input end and solid state relay U2' S negative output end all are connected with the pilot lamp EL.

Preferably, in order to reduce the resistance of the limiting block 11 to the installation sleeve 5 in the process of moving the installation sleeve 5 in the direction close to the transmission shaft 8, the shape of the vertical section of the limiting block 11 is a right triangle, the surface of the hypotenuse of the right triangle is arranged on the side, far away from the transmission shaft 8, of the limiting block 11, after the fire hydrant is used, people push the handrail 4 to move in the direction close to the transmission shaft 8, so that the installation sleeve 5 is pushed to move in the direction close to the transmission shaft 8 through the handrail 4, when one end, close to the transmission shaft 8, of the installation sleeve 5 moves to the position where the limiting block 11 abuts against each other through the hypotenuse, the resistance of the limiting block 11 to the installation sleeve 5 is reduced, so that the resistance of the limiting block 11 to the installation sleeve 5 in the process of moving the installation sleeve 5 in the direction close to the transmission shaft, so that the stop 11 can be snapped into the inside of the strip-shaped groove 10.

preferably, in order to reduce the abrasion between the push-pull block 7 and the transmission column 6, four buffer blocks 16 are arranged below the push-pull block 7, the buffer blocks 16 are circumferentially and uniformly arranged around the lower portion of the push-pull block 7, the buffer blocks 16 correspond to the transmission column 6 one by one, one end of the transmission column 6 close to the push-pull block 7 is arranged below the buffer blocks 16, the impact force generated when the push-pull block 7 is in contact with the transmission column 6 can be reduced through the buffer blocks 16, and therefore the abrasion between the push-pull block 7 and the transmission column 6 is reduced.

preferably, in order to reduce the probability that the limiting block 11 is separated from the inside of the strip-shaped groove 10, the first spring 13 is in a compressed state, and when the first spring 13 is in the compressed state, the first spring 13 generates an upward thrust on the end, close to the transmission shaft 8, of the transmission column 6, so that the limiting block 11 is driven by the transmission column 6 to move towards the inside of the strip-shaped groove 10, the firmness of connection between the limiting block 11 and the strip-shaped groove 10 is improved, and the probability that the limiting block 11 is separated from the inside of the strip-shaped groove 10 is reduced.

preferably, the third spring 19 is in a compressed state for driving the mounting sleeve 5 to move away from the transmission shaft 8, and when the third spring 19 is in the compressed state, the third spring 19 generates a pushing force on the mounting sleeve 5, so that the mounting sleeve 5 moves away from the transmission shaft 8.

preferably, in order to reduce the wear between the sliding block 17 and the sliding groove 18, the sliding groove 18 is also internally coated with a lubricant, and the friction coefficient between the sliding block 17 and the sliding groove 18 is reduced by the lubricant, so that the wear between the sliding block 17 and the sliding groove 18 is reduced.

Preferably, in order to improve the clamping firmness of the two clamping columns 20 on the pipeline 2, one side of each clamping column 20 close to the pipeline 2 is provided with one rubber pad 24, and the friction force between the clamping column 20 and the pipeline 2 is increased through the protection pads 24, so that the clamping firmness of the two clamping columns 20 on the pipeline 2 is improved.

Preferably, in order to further improve the firmness of the clamping of the two clamping columns 20 on the pipeline 2, the rubber pad 24 is made of rubber, and the rubber texture is soft, so that the gap between the rubber pad 24 and the pipeline is reduced, and the firmness of the clamping of the two clamping columns 20 on the pipeline 2 is further improved.

Preferably, in order to improve the convenience of moving the pipeline 2, the roller 22 is a universal wheel, and the universal wheel can move in all directions, so that the convenience of moving the roller 22 is improved, and the convenience of moving the pipeline 2 is improved.

preferably, in order to prolong the service life of the clamping column 20, the clamping column 20 is made of stainless steel, and the stainless steel has better corrosion resistance, so that the corrosion speed of the clamping column 20 is reduced, and the service life of the clamping column 20 is prolonged.

when people need to use the fire hydrant in case of fire, people only need to manually knock the pressing assembly, then one end of the four clamping assemblies is pushed through the pressing assembly, so that the four clamping assemblies respectively loosen the four telescopic assemblies, and under the action of the four telescopic assemblies, the four handrails 4 are pushed to move towards the direction far away from the transmission shaft 8, so that the force arm of thrust exerted when people push the handrails 4 is prolonged, thereby reducing the thrust required by people to open the fire hydrant, when the handrails 4 move, the four handrails 4 are rotated to the vertical direction from the horizontal direction through the telescopic assemblies, thereby improving the convenience and comfort level for people to grab the handrails 4, under the action of the fourth spring 21, the two clamping columns 20 are pulled to rotate around the hinge points with the mounting seat 23 towards the directions close to each other, so as to clamp the pipeline 2 through the two clamping columns 20, thereby fix pipeline 2 in the top of mount pad 23, later under the effect of gyro wheel 22, make mount pad 23 can move on ground to thereby improved pipeline 2 and removed the degree of convenience and improved the fire extinguishing effect of fire hydrant.

compared with the prior art, in this fire hydrant convenient to operation, through slewing mechanism, can prolong people and promote the arm of force of the in-process thrust of transmission shaft 8, thereby it promotes transmission shaft 8 and rotates required power to have reduced people, thereby the convenient degree that the fire hydrant used has been improved, compare with current mechanism, this mechanism makes handrail 4 rotate vertical direction from the horizontal direction when promoting handrail 4 to remove, thereby the comfort level that people held handrail 4 has been improved, be convenient for people's application of force, not only, through moving mechanism, can play the supporting role to pipeline 2, the convenient degree of pipeline 2 shift position has been improved simultaneously, thereby the practicality of fire hydrant has been improved, compare with current mechanism, this mechanism can the free adjustment on pipeline 2 fixed position, thereby further improved the convenient degree of pipeline 2 shift position.

in light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.