CN216345451U

CN216345451U - Pipeline pressure relief device for fluid transportation

Info

Publication number: CN216345451U
Application number: CN202122253546.6U
Authority: CN
Inventors: 吴惑; 郑绍珉; 彭望; 梁国强; 刘伟; 倪乾刚
Original assignee: Neijiang Bowei Energy Co ltd
Current assignee: Neijiang Bowei Energy Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-19
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a pipeline pressure relief device for fluid conveying, which comprises a main pipe, a fixed cylinder, an energy storage assembly, a connecting pipe, an alarm assembly, a flow distribution box and an adjusting assembly, wherein the bottom of the main pipe is fixedly connected with a guide pipe, one end of the guide pipe is fixedly connected with the fixed cylinder, the inside of the fixed cylinder is connected with a piston in a sliding manner, and one side of the piston, which is far away from the guide pipe, is fixedly connected with a cross rod. Not only can improve the stability in use, but also has low cost.

Description

Pipeline pressure relief device for fluid transportation

Technical Field

The utility model relates to a pressure relief device, in particular to a pipeline pressure relief device for fluid conveying, and belongs to the technical field of pressure relief devices.

Background

The fluid need use seamless pipeline when carrying, because the fluid can often produce great pressure when the pipeline is inside to be carried, avoid the too high pipeline that causes of pressure to burst, need set up the pressure relief device who corresponds on the pipeline, current pressure relief device adopts pressure sensor cooperation relief valve to use mostly, thereby reach the purpose of pressure release, because the pressure of pipeline inside is higher, electronic equipment takes place the damage easily, not only can produce certain economic loss, but also can influence the effect of pressure release, thereby produce the influence to conveying efficiency, current pressure relief device is when using simultaneously, the function that does not have the energy storage, the result of use of equipment has been reduced.

The utility model content is as follows:

the present invention is directed to solving the above problems by providing a device for relieving pressure in a fluid pipeline, which solves the problems mentioned in the background art.

In order to solve the above problems, the present invention provides a technical solution:

a pipeline pressure relief device for fluid conveying comprises a main pipe, a fixed cylinder, an energy storage assembly, a connecting pipe, an alarm assembly, a shunt box and an adjusting assembly, wherein the bottom of the main pipe is fixedly connected with a guide pipe, one end of the guide pipe is fixedly connected with the fixed cylinder, the inside of the fixed cylinder is connected with a piston in a sliding manner, one side of the piston, which is far away from the guide pipe, is fixedly connected with a cross rod, the inside of the fixed cylinder is provided with an air cavity, one end, which is far away from the piston, of the cross rod extends to the inside of the air cavity, the inside of the air cavity is provided with the energy storage assembly for compressing air, the bottom of the fixed cylinder is fixedly connected with the connecting pipe, the inside of the connecting pipe is provided with the alarm assembly for alarming, one end, which is far away from the fixed cylinder, of the connecting pipe is fixedly connected with the shunt box, one side of the shunt box is fixedly connected with an output pipe, and one side, which is far away from the output pipe, is fixedly connected with a return pipe, the one end that the reposition of redundant personnel case was kept away from to the back flow is connected with the bottom fixed connection who is responsible for, the inside third check valve that is equipped with of back flow, the inside adjusting part that is used for controlling the fluid flow direction that is equipped with of reposition of redundant personnel case.

As a preferable scheme of the present invention, a first spring is sleeved outside the cross bar and between the inner wall of the fixed cylinder and the piston.

As a preferable scheme of the utility model, the energy storage assembly comprises a push plate, an air inlet pipe, a first one-way valve, an air outlet pipe and a second one-way valve, one end of the cross rod extends into the air cavity and is fixedly connected with the push plate, the air inlet pipe is fixedly connected inside the fixed cylinder and is positioned right below the air cavity, the first one-way valve is arranged inside the air inlet pipe, the air outlet pipe is fixedly connected to one end of the fixed cylinder, which is far away from the guide pipe, and the second one-way valve is arranged inside the air outlet pipe.

As a preferable scheme of the utility model, one end of the air outlet pipe, which is far away from the fixed cylinder, is detachably connected with a pressure tank, and the top of the pressure tank is fixedly connected with a barometer.

As a preferable scheme of the present invention, the alarm assembly includes a rotating wheel, a metal plate, a connecting block, a second spring, and a metal ball, the rotating wheel is rotatably connected inside the connecting pipe, a central shaft of the rotating wheel extends to the outside of the connecting pipe and is fixedly connected to the connecting block, the second spring is fixedly connected to the bottom of the connecting block, one end of the second spring, which is far away from the connecting block, is fixedly connected to the metal ball, and the metal plate, which is used in cooperation with the metal ball, is fixedly connected to the outside of the connecting pipe and located right above the connecting block.

In a preferred embodiment of the present invention, the stroke of the push plate in the air cavity is greater than the stroke of the piston in the fixed cylinder.

As a preferable scheme of the utility model, the adjusting assembly comprises a first baffle, a screw rod, a hand wheel, a connecting rod and a second baffle, the screw rod is connected to the interior of the flow dividing box in a threaded manner, the bottom end of the screw rod penetrates through the flow dividing box and is fixedly connected with the hand wheel, the first baffle is connected to the interior of the flow dividing box in a sliding manner, the second baffle is located right above the first baffle, the connecting rod is fixedly connected between the first baffle and the second baffle, and the top end of the screw rod extends to the interior of the flow dividing box and is rotatably connected with the bottom of the first baffle.

The utility model has the beneficial effects that: easy operation, therefore, the clothes hanger is strong in practicability, use through first spring cooperation piston, can control the switching of pipe and connecting pipe, thereby realize the effect of pressure release, can be to the inside punching press of overhead tank through energy storage component, be favorable to improve equipment's service function, can be timely notify the staff with the pressure release condition through the warning subassembly, can control the fluid flow direction that gets into the inside of reposition of redundant personnel case through adjusting part, be favorable to the flexibility that improve equipment used, and this equipment passes through mechanical transmission structure and replaces original electronic equipment, not only can improve the stability when using, and is with low costs.

Description of the drawings:

for ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a main pipe; 2. a conduit; 3. a fixed cylinder; 4. a piston; 5. a cross bar; 6. a first spring; 7. an air cavity; 8. an energy storage assembly; 81. pushing the plate; 82. an air inlet pipe; 83. a first check valve; 84. an air outlet pipe; 85. a second one-way valve; 9. a pressure tank; 10. a barometer; 11. a connecting pipe; 12. an alarm component; 121. a rotating wheel; 122. a metal plate; 123. connecting blocks; 124. a second spring; 125. a metal ball; 13. a shunt box; 14. an output pipe; 15. a return pipe; 16. a third check valve; 17. an adjustment assembly; 171. a first baffle plate; 172. a screw rod; 173. a hand wheel; 174. a connecting rod; 175. a second baffle.

The specific implementation mode is as follows:

as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment:

example (b):

a pipeline pressure relief device for fluid conveying comprises a main pipe 1, a fixed cylinder 3, an energy storage assembly 8, a connecting pipe 11, an alarm assembly 12, a shunt box 13 and an adjusting assembly 17, wherein a guide pipe 2 is fixedly connected to the bottom of the main pipe 1, fluid in the main pipe 1 can be guided into the fixed cylinder 3, one end of the guide pipe 2 is fixedly connected with the fixed cylinder 3, a piston 4 is slidably connected inside the fixed cylinder 3 and can control the opening and closing of the guide pipe 2 and the connecting pipe 11, so that the pressure relief effect is realized, a cross rod 5 is fixedly connected to one side, away from the guide pipe 2, of the piston 4, an air cavity 7 is formed inside the fixed cylinder 3, one end, away from the piston 4, of the cross rod 5 extends into the air cavity 7, the energy storage assembly 8 for compressing air is arranged inside the air cavity 7, the connecting pipe 11 is fixedly connected to the bottom of the fixed cylinder 3, the alarm assembly 12 for alarming is arranged inside the connecting pipe 11, and one end, away from the fixed cylinder 3, of the connecting pipe 11 is fixedly connected with the shunt box 13, can be inside the leading-in flow distribution box 13 of fluid, one side fixedly connected with output tube 14 of flow distribution box 13, flow distribution box 13 is outside and keep away from one side fixedly connected with back flow 15 of output tube 14, can control the flow direction of the fluid according to the user demand, be favorable to the flexibility that improve equipment used, the one end that flow distribution box 13 was kept away from to back flow 15 and the bottom fixed connection who is responsible for 1, back flow 15 is inside to be equipped with third check valve 16, can avoid being responsible for inside fluid entering back flow 15 of 1 inside, flow distribution box 13 is inside to be equipped with and to be used for controlling the adjusting part 17 that the fluid flowed to.

Further, the outside of horizontal pole 5 and the cover is equipped with first spring 6 between inner wall that is located fixed cylinder 3 and piston 4, can drive piston 4 and reset to carry out the closure to connecting pipe 11 and pipe 2.

Further, energy storage subassembly 8 includes push pedal 81, the intake pipe 82, first check valve 83, outlet duct 84 and second check valve 85, the one end of horizontal pole 5 extends to inside and fixedly connected with push pedal 81 of air cavity 7, inside and being located air cavity 7 of solid fixed cylinder 3 is fixed with inlet duct 82 under, the inside first check valve 83 that is equipped with of inlet duct 82, pipe 2's one end fixedly connected with outlet duct 84 is kept away from to solid fixed cylinder 3, the inside second check valve 85 that is equipped with of outlet duct 84, can be to the inside gas that fills of overhead tank 9, thereby carry out the energy storage operation, be favorable to improve equipment's service function.

Further, the one end that the fixed section of thick bamboo 3 was kept away from to outlet duct 84 can be dismantled and be connected with overhead tank 9, and the top fixedly connected with barometer 10 of overhead tank 9 can monitor the pressure in the overhead tank 9 to timely change overhead tank 9, can avoid the inside too high phenomenon that leads to the unable removal of push pedal 81 of pressure of air cavity 7, thereby ensure the normal use of equipment.

Further, warning subassembly 12 is including rotating wheel 121, metal sheet 122, connecting block 123, second spring 124 and metal ball 125, connecting pipe 11 internal rotation is connected with rotates wheel 121, the center pin that rotates wheel 121 extends to connecting pipe 11 outside and fixedly connected with connecting block 123, the bottom fixedly connected with second spring 124 of connecting block 123, the one end fixedly connected with metal ball 125 of connecting block 123 is kept away from to second spring 124, connecting pipe 11 is outside and be located connecting block 123 directly over fixedly connected with and the metal sheet 122 of metal ball 125 cooperation use, can be timely inform the staff with the pressure release condition, thereby avoid unmanned management to cause the fluid to run off.

Furthermore, the stroke of the push plate 81 in the air cavity 7 is larger than that of the piston 4 in the fixed cylinder 3, so that the moving range of the piston 4 can be ensured, and the normal operation of the equipment is ensured.

Further, the adjusting assembly 17 includes a first baffle 171, a screw rod 172, a hand wheel 173, a connecting rod 174 and a second baffle 175, the internal thread of the shunt box 13 is connected with the screw rod 172, the bottom end of the screw rod 172 runs through the shunt box 13 and the hand wheel 173 fixedly connected with, the internal sliding connection of the shunt box 13 is connected with the first baffle 171, the internal sliding connection of the shunt box 13 directly over the first baffle 171 is connected with the second baffle 175, the connecting rod 174 fixedly connected between the first baffle 171 and the second baffle 175, the top end of the screw rod 172 extends to the internal of the shunt box 13 and is connected with the bottom rotation of the first baffle 171, the internal fluid flow direction of the shunt box 13 can be controlled, and the use flexibility of the device can be improved.

Specifically, when the pressure inside the main pipe 1 is too high, the fluid inside the main pipe enters the fixed cylinder 3 through the conduit 2, and pushes the piston 4 to slide inside the fixed cylinder 3, at this time, the piston 4 pushes the cross rod 5 to slide inside the fixed cylinder 3, meanwhile, the piston 4 extrudes the first spring 6, when the piston 4 moves to the side of the connecting pipe 11 away from the conduit 2, the fluid inside the fixed cylinder 3 enters the shunt box 13, when the fluid passes through the connecting pipe 11, the fluid drives the rotating wheel 121 in the connecting pipe 11 to rotate, at this time, the rotating wheel 121 drives the connecting block 123 to rotate, at the same time, the connecting block 123 drives the second spring 124 and the metal ball 125 to rotate, so that the metal ball 125 strikes the metal plate 122, an alarm is given out under the cooperation between the metal ball 125 and the metal plate 122, at this time, the worker controls the flow direction of the fluid according to the use requirement, and drives the screw rod 172 to rotate through the handwheel 173, at this time, the screw rod 172 drives the first baffle 171 to slide in the diversion box 13, under the cooperation of the connecting rod 174, the second baffle 175 moves along with the first baffle 171, when the first baffle 171 is dislocated with the output tube 14, the fluid in the diversion box 13 is discharged through the output tube 14, meanwhile, the second baffle 175 blocks the return tube 15, when the output tube 14 is blocked by the first baffle 171, the second baffle 175 is dislocated with the return tube 15, at this time, the fluid in the diversion box 13 flows back to the main tube 1 again through the return tube 15, under the action of the third one-way valve 16, the fluid in the main tube 1 can be prevented from entering the return tube 15, when the cross rod 5 moves in the fixed cylinder 3, the cross rod drives the push plate 81 to slide in the air cavity 7 to the air outlet tube 84, thereby compressing the air in the air cavity 7, and pressing the air in the air cavity 7 into the pressure tank 9 through the air outlet tube 84, under the effect of second check valve 85, can prevent that the gas among the overhead tank 9 from flowing back to inside the air cavity 7, when push pedal 81 reverse slip, can be inside with outside air suction air cavity 7 through first check valve 83 of intake pipe 82 cooperation, can observe the pressure in the overhead tank 9 through barometer 10, when pressure reaches a definite value, change overhead tank 9.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The pipeline pressure relief device for fluid conveying is characterized by comprising a main pipe (1), a fixed cylinder (3), an energy storage assembly (8), a connecting pipe (11), an alarm assembly (12), a shunt box (13) and an adjusting assembly (17), wherein a guide pipe (2) is fixedly connected to the bottom of the main pipe (1), the fixed cylinder (3) is fixedly connected to one end of the guide pipe (2), a piston (4) is slidably connected to the inside of the fixed cylinder (3), a cross rod (5) is fixedly connected to one side, away from the guide pipe (2), of the piston (4), an air cavity (7) is formed in the fixed cylinder (3), one end, away from the piston (4), of the cross rod (5) extends to the inside of the air cavity (7), the energy storage assembly (8) for compressing air is arranged in the air cavity (7), and the connecting pipe (11) is fixedly connected to the bottom of the fixed cylinder (3), connecting pipe (11) inside alarm component (12) that are used for reporting to the police that are equipped with, one end fixedly connected with flow distribution box (13) of solid fixed cylinder (3) are kept away from in connecting pipe (11), one side fixedly connected with output tube (14) of flow distribution box (13), one side fixedly connected with back flow (15) of output tube (14) are just kept away from in flow distribution box (13) outside, the one end of flow distribution box (13) and the bottom fixed connection of being responsible for (1) are kept away from in back flow (15), back flow (15) inside is equipped with third check valve (16), flow distribution box (13) inside is equipped with adjusting part (17) that are used for controlling the fluid flow to.

2. The device for relieving the pressure of the pipeline for the fluid transportation according to claim 1, wherein a first spring (6) is sleeved outside the cross rod (5) and between the inner wall of the fixed cylinder (3) and the piston (4).

3. The pressure relief device for the pipeline for conveying the fluid according to claim 1, wherein the energy storage assembly (8) comprises a push plate (81), an air inlet pipe (82), a first one-way valve (83), an air outlet pipe (84) and a second one-way valve (85), one end of the cross rod (5) extends to the inside of the air cavity (7) and is fixedly connected with the push plate (81), the air inlet pipe (82) is fixedly connected to the inside of the fixed cylinder (3) and is located right below the air cavity (7), the first one-way valve (83) is arranged inside the air inlet pipe (82), the air outlet pipe (84) is fixedly connected to one end, far away from the guide pipe (2), of the fixed cylinder (3), and the second one-way valve (85) is arranged inside the air outlet pipe (84).

4. The pressure relief device for the pipeline for fluid transportation according to claim 3, wherein one end of the air outlet pipe (84) far away from the fixed cylinder (3) is detachably connected with a pressure tank (9), and the top of the pressure tank (9) is fixedly connected with a barometer (10).

5. The pipeline pressure relief device for fluid transportation according to claim 1, wherein the alarm assembly (12) comprises a rotating wheel (121), a metal plate (122), a connecting block (123), a second spring (124) and a metal ball (125), the rotating wheel (121) is rotatably connected inside the connecting pipe (11), a central shaft of the rotating wheel (121) extends to the outside of the connecting pipe (11) and is fixedly connected with the connecting block (123), the second spring (124) is fixedly connected to the bottom of the connecting block (123), the metal ball (125) is fixedly connected to one end, away from the connecting block (123), of the second spring (124), and the metal plate (122) which is used in cooperation with the metal ball (125) is fixedly connected to the outside of the connecting pipe (11) and located right above the connecting block (123).

6. A fluid-conveying pipe pressure-relief device according to claim 3, wherein the stroke of the push plate (81) inside the air chamber (7) is greater than the stroke of the piston (4) inside the fixed cylinder (3).

7. The device of claim 1, wherein the pressure relief device comprises a pressure relief valve, the adjusting component (17) comprises a first baffle (171), a screw rod (172), a hand wheel (173), a connecting rod (174) and a second baffle (175), the inner part of the flow dividing box (13) is connected with a screw rod (172) by screw thread, the bottom end of the screw rod (172) penetrates through the flow dividing box (13) and is fixedly connected with a hand wheel (173), a first baffle plate (171) is connected in the shunting box (13) in a sliding way, a second baffle plate (175) is connected in the shunting box (13) in a sliding way right above the first baffle plate (171), a connecting rod (174) is fixedly connected between the first baffle plate (171) and the second baffle plate (175), the top end of the screw rod (172) extends into the flow dividing box (13) and is rotatably connected with the bottom of the first baffle (171).