WO2021003978A1

WO2021003978A1 - Steel valve chamber

Info

Publication number: WO2021003978A1
Application number: PCT/CN2019/122758
Authority: WO
Inventors: 王静静
Original assignee: 菏泽昊阳设备制造股份有限公司
Priority date: 2019-07-05
Filing date: 2019-12-03
Publication date: 2021-01-14
Also published as: CN110344445A

Abstract

Disclosed in the present invention is a steel valve chamber, comprising a valve chamber body arranged in a pit, a top portion of said chamber being configured as an opening. A chamber cover is welded to the top portion of the valve chamber body, and a plurality of support rods are welded to an inner wall of a bottom portion of the valve chamber, a same support plate being placed at the top ends of the plurality of support rods, and a plurality of water seepage holes being opened in a top portion of the support plate. A first gate valve is provided above the support plate, and a first double flange is screwed and fixed on a first end of the first gate valve, a Y-joint being communicated with and fixedly provided on the other side of the first gate valve. First single flanges are screwed and fixed on the ends of the Y-joint and of the first double flange away from one another. The present invention features a reasonable design, facilitates expulsion of water that has collected inside the valve chamber, facilitates maintenance personnel entering and climbing out of the valve chamber for inspection and recording, and facilitates opening of a second gate valve during firefighting usage to provide water to a fire hydrant, achieving integration of normal water supply and firefighting water supply, improving the utilization rate and usage functions thereof, and satisfying usage requirements.

Description

A steel valve well

Technical field

The invention relates to the technical field of valve wells, in particular to a valve well made of steel.

Background technique

With the development of society and the progress of science, a large number of valve wells have appeared in the society. The fixed idea of steel valve wells is not only a valve well made of steel materials, and valve wells are valves for underground pipelines and underground pipelines. It is convenient to open and close part of the pipe network operation or maintenance operations. Just set up a well similar to a small room and install valves and other valves in this well. This well is called a valve well. A valve well must have a valve, but if there are valves, there must be valves. There must be a valve well. The existing valve well has a single function. It is not easy to clean up the internal water. The valve well is easily affected by groundwater and weather, and is prone to water leakage and water seepage. It is easy to cause equipment aging and rust. In addition, it is inconvenient for maintenance personnel to enter for maintenance and inspection, and cannot meet the needs of use. Therefore, we proposed a steel valve well to solve the above problems.

Summary of the invention

technical problem

Based on the technical problems existing in the background art, the present invention proposes a steel valve well.

The solution to the problem

Technical solutions

A steel valve well proposed by the present invention includes a valve well body provided at the top of the pit body for opening. The top of the valve well body is welded with a manhole cover, and the inner wall of the bottom of the valve well body is welded. There are two support rods, and the same support plate is placed on the top of the support rods. The top of the support plate is provided with a plurality of water seepage holes. The first gate valve is provided above the support plate, and one end of the first gate valve is screwed with a first Double-headed flange, the other side of the first gate valve is connected and fixed with a three-way. The ends of the three-way and the first double-headed flange that are far from each other are threadedly fixed with a first single flange, and the two first single flanges are respectively The fixed sleeve is provided with a water inlet pipe and a water outlet pipe. The ends of the water inlet pipe and the water outlet pipe far away from each other extend outside the valve well body. The water inlet pipe and the water outlet pipe are both fixedly sleeved with a second single flange, the water inlet pipe and the water outlet pipe. The upper movable sleeves are provided with positioning sleeves, the valve well body is fixedly sleeved on two positioning sleeves, the sides of the two second single flanges away from each other are screwed to the corresponding positioning sleeves, and the first gate valve is provided with The valve stem, the top of the valve stem is threadedly fixed with an extension rod, the top of the extension rod extends to the top of the well cover and is welded with a handle, the water inlet pipe is provided with various instruments, and the top of the tee is threaded with a second gate valve , The top of the second gate valve is threadedly fixed with a connecting pipe, the connecting pipe is provided with an automatic drain valve, the top of the connecting pipe is threaded with a second double-headed flange, and the top of the second double-headed flange is threadedly fixed with the top of the manhole cover. The third single flange is in contact, and the inner fixed sleeve of the third single flange is provided with a fire hydrant. The fire hydrant is provided with a suction port, a first hose interface and a second hose interface, and one side of the fire hydrant is provided There is a flexible water stop. The bottom end of the flexible water stop extends below the well cover and is connected and fixed with a conduit. The bottom end of the conduit extends below the support plate. The support plate is fixedly sleeved on the conduit and the manhole cover is fixedly sleeved On the flexible water stop, the top of the flexible water stop is connected and fixed with a water pump elbow joint, and a manned ladder is welded on the inner wall of one side of the valve well body, and a maintenance inlet pipe is arranged above the man ladder, and the manhole cover is fixedly sleeved in On the maintenance inlet pipe, a pipe cover is installed on the top side of the maintenance inlet pipe, and the bottom of the pipe cover is in movable contact with the top of the maintenance inlet pipe.

Preferably, the inner walls of both sides of the valve well body are provided with first through holes, and the side walls of the first through holes are welded and fixed to the outside of the corresponding positioning sleeve.

Preferably, the top of the manhole cover is provided with a second through hole, and the side wall of the second through hole is welded and fixed to the outside of the maintenance inlet pipe.

Preferably, the top of the well cover is provided with a first circular hole, and the side wall of the first circular hole is in movable contact with the outside of the extension rod.

Preferably, a second circular hole is opened on the inner wall of the top of the manhole cover, and the side wall of the second circular hole is in movable contact with the outside of the fire hydrant.

Preferably, the top of the manhole cover is provided with a third through hole, and the side wall of the third through hole is adhesively fixed to the outer side of the flexible water stop.

Preferably, a third circular hole is opened on the top of the support plate, and the side wall of the third circular hole is fixedly connected to the outside of the pipe.

Preferably, one side of the second single flange is provided with a fourth round hole, and the outer sides of the water inlet pipe and the water outlet pipe are respectively welded and fixed to the side walls of the corresponding fourth round hole.

Preferably, the two positioning sleeves are welded with a plurality of screws at the ends close to each other, one side of the second single flange is provided with a plurality of through holes, one end of the screw penetrates the corresponding through holes, and the screw is threadedly connected with a fastening bolt , The fastening screw ring is in contact with the side of the corresponding second single flange close to the first gate valve.

The beneficial effects of the invention

Beneficial effect

Compared with the existing technology, the beneficial effects of the present invention are:

Through the valve well body, manhole cover, support rod, support plate, first gate valve, positioning sleeve, water outlet pipe, extension rod, handle, tee, water inlet pipe, various instruments, second gate valve, connecting pipe, automatic drain valve, The second double-headed flange, fire hydrant, first hose interface, water suction port, second hose interface, conduit, flexible water stop, water pump elbow joint, maintenance inlet pipe, pipe cover, man ladder, valve well The water permeated in the body flows into the bottom of the support plate through the water seepage hole and is pumped through the external water pump to connect the water pump elbow joint, so that the accumulated water is drawn out through the pipe, the flexible water stop and the water pump elbow joint in turn. The extension rod is set up to facilitate the outside Control the opening and closing of the first gate valve. The installation of the maintenance inlet pipe and the man ladder is convenient for maintenance personnel to enter the valve well body. The installation of various instruments is convenient for maintenance personnel to observe and record. The water enters the fire hydrant through the tee, the second gate valve, the connecting pipe and the second double-headed flange to supply water for it, so as to achieve the integration of normal water supply and fire protection, and improve its utilization rate and use function.

The invention has reasonable design, is convenient for draining the accumulated water in the valve well body, convenient for maintenance personnel to enter and climb out of the valve well body for inspection records, and is convenient for opening the second gate valve to supply water to the fire hydrant when used for fire fighting, achieving the integration of normal water supply and fire fighting , To improve its utilization and use functions to meet the needs of use.

Brief description of the drawings

Description of the drawings

Figure 1 is a structural schematic diagram of a steel valve well proposed by the present invention;

Figure 2 is a schematic sectional view of a steel valve well proposed by the present invention;

Figure 3 is a schematic view of the structure of part A of a steel valve well proposed by the present invention;

Fig. 4 is a schematic diagram of the sectional structure of part B of a steel valve well proposed by the present invention;

Fig. 5 is a schematic diagram of the sectional structure of part C of a steel valve well proposed by the present invention.

In the picture: 1 valve well body, 2 well cover, 3 support rod, 4 support plate, 5 first gate valve, 6 first double-end flange, 7 first single flange, 8 positioning sleeve, 9 outlet pipe, 10 extension rod , 11 handles, 12 three-way, 13 water inlet pipe, 14 various instruments, 15 second gate valve, 16 connecting pipe, 17 automatic drain valve, 18 second double flange, 19 fire hydrant, 20 first hose interface , 21 suction port, 22 second hose interface, 23 conduit, 24 flexible water stop, 25 water pump elbow joint, 26 maintenance inlet pipe, 27 pipe cover, 28 person ladder, 29 third single flange, 30 second single Flange.

Invention embodiment

Embodiments of the invention

The present invention will be further explained below in conjunction with specific embodiments.

Example

With reference to Figures 1-5, this embodiment proposes a steel valve well, which includes a valve well body 1 with an opening on the top of the pit. The top of the valve well body 1 is welded with a well cover 2, and the valve well body 1 A plurality of support rods 3 are welded on the inner wall of the bottom of the support rod 3, and the same support plate 4 is placed on the top of the support rods 3. The top of the support plate 4 is provided with a plurality of water seepage holes, and a first gate valve is provided above the support plate 4 5. One end of the first gate valve 5 is threadedly fixed with a first double-headed flange 6, and the other side of the first gate valve 5 is connected and fixed with a tee 12, and the end of the tee 12 and the first double-headed flange 6 away from each other Both are threadedly fixed with a first single flange 7. The two first single flanges 7 are respectively fixedly sleeved with a water inlet pipe 13 and a water outlet pipe 9, and the ends of the water inlet pipe 13 and the water outlet pipe 9 far away from each other extend to the valve well body 1. In addition, the inlet pipe 13 and the outlet pipe 9 are fixedly sleeved with a second single flange 30, the inlet pipe 13 and the outlet pipe 9 are movable sleeves with positioning sleeves 8, and the valve well body 1 is fixedly sleeved on two On the positioning sleeve 8, the sides of the two second single flanges 30 away from each other are screwed to the corresponding positioning sleeve 8. The first gate valve 5 is provided with a valve stem, and the top of the valve stem is threadedly fixed with an extension rod 10, the extension rod The top of 10 extends to the top of the manhole cover 2 and is welded with a handle 11, various meters 14 are provided on the water inlet pipe 13, a second gate valve 15 is screwed on the top of the tee 12, and a connecting pipe is screwed on the top of the second gate valve 15 16. The connecting pipe 16 is provided with an automatic drain valve 17, the top of the connecting pipe 16 is threadedly fixed with a second double-headed flange 18, and the top of the second double-headed flange 18 is threadedly fixed with a third threaded contact with the top of the manhole cover 2. A single flange 29, and a fire hydrant 19 is fixed in the third single flange 29. The fire hydrant 19 is provided with a suction port 21, a first hose interface 20 and a second hose interface 22, one of the fire hydrant 19 A flexible water stop 24 is provided on the side. The bottom end of the flexible water stop 24 extends below the well cover 2 and is connected and fixed with a conduit 23. The bottom end of the conduit 23 extends below the support plate 4, and the support plate 4 is fixedly sleeved On the conduit 23, the manhole cover 2 is fixedly sleeved on the flexible water stopper 24, the top of the flexible water stopper 24 is connected and fixed with a water pump elbow joint 25, and one side of the inner wall of the valve well body 1 is welded with a human ladder 28 and a human ladder 28 A maintenance inlet pipe 26 is provided above the manhole cover 2 and the manhole cover 2 is fixedly sleeved on the maintenance inlet pipe 26. A pipe cover 27 is installed on the top side of the maintenance inlet pipe 26. The bottom of the pipe cover 27 is in movable contact with the top of the maintenance inlet pipe 26 The present invention has reasonable design, is convenient for draining the accumulated water in the valve well body 1, is convenient for maintenance personnel to enter and climb out of the valve well body 1 for inspection records, and is convenient for opening the second gate valve 15 to supply water to the fire hydrant 19 during fire fighting. Achieve the integration of normal water supply and fire protection, improve its utilization and use functions, and meet use needs.

In this embodiment, the inner walls of both sides of the valve well body 1 are provided with first through holes, and the side walls of the first through holes are welded and fixed to the outside of the corresponding positioning sleeve 8, and the top of the manhole cover 2 is provided with a second through hole. The side wall of the second through hole is welded and fixed to the outer side of the maintenance inlet pipe 26, the top of the manhole cover 2 is provided with a first circular hole, and the side wall of the first circular hole is in movable contact with the outer side of the extension rod 10, the manhole cover 2 A second round hole is provided on the inner wall of the top of the second round hole, and the side wall of the second round hole is in movable contact with the outside of the fire hydrant 19. The outer side of the water tank 24 is glued and fixed, the top of the support plate 4 is provided with a third circular hole, and the side wall of the third circular hole is fixedly connected with the outer side of the pipe 23, and the second single flange 30 is provided with a fourth The outer sides of the round hole, the water inlet pipe 13 and the water outlet pipe 9 are respectively welded and fixed to the side wall of the corresponding fourth round hole. The two positioning sleeves 8 are welded with a plurality of screws at the ends close to each other. One of the second single flange 30 A plurality of through holes are provided on the side, one end of the screw penetrates the corresponding through hole, a fastening bolt is threaded on the screw, and the fastening screw ring is in contact with the side of the corresponding second single flange 30 close to the first gate valve 5, The invention has reasonable design, is convenient for draining the accumulated water in the valve well body 1, is convenient for maintenance personnel to enter and climb out of the valve well body 1 for inspection records, and is convenient for opening the second gate valve 15 to supply water to the fire hydrant 19 when used for fire fighting. The normal water supply and fire protection are integrated to improve its utilization and use functions to meet the use needs.

In this embodiment, when water accumulates in the valve well body 1, the water flows under the support plate 4 through the seepage holes on the support plate 4. When there is a lot of water under the support plate 4, connect the water pump elbow joint 25 through the external pump For pumping, the water in the valve well body 1 enters the flexible water stop 24 through the conduit 23, and then enters the water pump elbow joint 25 through the flexible water stop 24, and then is pumped out by the pump, so that the water in the valve well body 1 can be easily discharged. The setting of the extension rod 10 is convenient for controlling the opening and closing of the first gate valve 5 from the outside, which improves the opening and closing efficiency of the first gate valve 5. The setting of the maintenance inlet pipe 26 is convenient for maintenance personnel to open the pipe cover 27 to enter the valve well body In 1, the entering maintenance personnel can easily go down to the inner bottom of the valve well body 1 through the human ladder 28, and it is convenient for the maintenance personnel to climb out through the human ladder 28. The setting of various instruments 14 is convenient for the maintenance personnel to observe and record. The second gate valve 15 Set when firefighters enter the valve well body 1 during fire fighting, open the second gate valve 15 to allow the water in the inlet pipe 13 to enter the connecting pipe 16 through the tee 12 and the second gate valve 15, and then enter the connecting pipe 16. The second double-headed flange 18 enters the fire hydrant 19 through the second double-headed flange 18, so as to supply water for the fire hydrant 19, which can be used for fire fighting, improve its utilization rate, and achieve the integration of normal water supply and fire fighting. , Improve its use function.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution of the present invention The equivalent replacement or change of the inventive concept thereof shall be covered by the protection scope of the present invention.

Claims

A steel valve well, comprising a valve well body (1) arranged at the top of a pit body for opening, and a well cover (2) is welded on the top of the valve well body (1), characterized in that the valve The bottom inner wall of the well body (1) is welded with multiple support rods (3), and the top of the multiple support rods (3) is placed with the same support plate (4), and the top of the support plate (4) is provided with multiple For the water seepage hole, a first gate valve (5) is provided above the support plate (4), and one end of the first gate valve (5) is threadedly fixed with a first double flange (6), and the other of the first gate valve (5) A tee (12) is connected and fixed on the side. The ends of the tee (12) and the first double-headed flange (6) far away from each other are threadedly fixed with a first single flange (7), and two first single flanges ( 7) The inlet pipe (13) and the outlet pipe (9) are respectively fixedly sleeved inside, and the ends of the inlet pipe (13) and the outlet pipe (9) far away from each other extend to the outside of the valve well body (1). The inlet pipe (13) and the outlet pipe (9) are fixedly sleeved with a second single flange (30), the inlet pipe (13) and the outlet pipe (9) are movable sleeves with positioning sleeves (8), the valve well body (1) The fixed sleeves are arranged on the two positioning sleeves (8), the sides of the two second single flanges (30) far away from each other are screwed to the corresponding positioning sleeves (8), and the first gate valve (5) ) Is provided with a valve stem, the top end of the valve stem is threadedly fixed with an extension rod (10), the top end of the extension rod (10) extends to the top of the well cover (2) and is welded with a handle (11), and the water inlet pipe (13) Various instruments (14) are provided, the top of the three-way (12) is threadedly fixed with a second gate valve (15), and the top of the second gate valve (15) is threaded with a connecting pipe (16), and a connecting pipe (16) There is an automatic drain valve (17), the top of the connecting pipe (16) is threadedly fixed with a second double-headed flange (18), and the top of the second double-headed flange (18) is threaded with the top of the well cover (2). The third single flange (29) is movably contacted, and the third single flange (29) is fixed with a fire hydrant (19), and the fire hydrant (19) is provided with a suction port (21) and a first hose The interface (20) and the second hose interface (22), one side of the fire hydrant (19) is provided with a flexible water stop (24), and the bottom end of the flexible water stop (24) extends to the well cover (2) The pipe (23) is connected and fixed under the pipe (23). The bottom end of the pipe (23) extends below the support plate (4). The support plate (4) is fixedly sleeved on the pipe (2 3), and the well cover (2) The fixed sleeve is fixed on the flexible water stopper (24), the top of the flexible water stopper (24) communicates with and is fixed with a water pump elbow joint (25), and one side inner wall of the valve well body (1) is welded with a stepped ladder ( 28), there is an inspection inlet pipe (26) above the human ladder (28), the manhole cover (2) is fixedly sleeved on the inspection inlet pipe (26), and the top side of the inspection inlet pipe (26) is installed with a pipe cover. (27), the bottom of the pipe cover (27) is in movable contact with the top of the maintenance inlet pipe (26).
A steel valve well according to claim 1, characterized in that the inner walls of both sides of the valve well body (1) are provided with first through holes, and the side walls of the first through holes correspond to The outer side of the positioning sleeve (8) is welded and fixed.
A steel valve well according to claim 1, wherein the top of the manhole cover (2) is provided with a second through hole, and the side wall of the second through hole is connected to the maintenance inlet pipe (26) The outside is welded and fixed.
The valve well made of steel according to claim 1, wherein the top of the manhole cover (2) is provided with a first circular hole, and the side wall of the first circular hole and the outer side of the extension rod (10) Activity contact.
The valve well made of steel according to claim 1, wherein a second round hole is opened on the inner wall of the top of the well cover (2), and the side wall of the second round hole and the fire hydrant (19) Contact with outside activities.
The valve well made of steel according to claim 1, wherein the top of the well cover (2) is provided with a third through hole, and the side wall of the third through hole and a flexible water stop (24) The outer side is glued and fixed.
The valve well made of steel according to claim 1, wherein the top of the support plate (4) is provided with a third circular hole, and the side wall of the third circular hole is connected to the outer side of the conduit (23). Fixed connection.
A steel valve well according to claim 1, characterized in that a fourth round hole is provided on one side of the second single flange (30), a water inlet pipe (13) and a water outlet pipe (9) The outer sides of are respectively welded and fixed to the side walls of the corresponding fourth circular holes.
The valve well made of steel according to claim 1, characterized in that the two positioning sleeves (8) are welded with a plurality of screws at the ends close to each other, and one side of the second single flange (30) is provided with Multiple through holes, one end of the screw threaded through the corresponding through hole, the screw thread is connected with a fastening bolt, and the fastening screw ring is in contact with the side of the corresponding second single flange (30) close to the first gate valve (5) .