CN219588144U - High-pressure-resistant external thread stop valve - Google Patents

Abstract

The utility model relates to the technical field of stop valves, in particular to a high-pressure-resistant external thread stop valve, which comprises a vertical pipe; a first transverse pipe is arranged at one side of the bottom end of the vertical pipe, a second transverse pipe is arranged at the other side of the middle section of the outer edge surface of the vertical pipe, a sealing block is detachably connected at the top end of the vertical pipe, an opening and closing device is arranged at the bottom end of the sealing block, the opening and closing device comprises a long rod, the top end of the long rod penetrates through the sealing block and extends out of the upper end surface of the sealing block, a grab handle is arranged at the tail end of the extending part of the long rod, through standpipe, sealing block, ring flange and the switching device that are equipped with, fix standpipe and sealing block through the ring flange, by the switching device control first violently managing of rotatory installation in the sealing block and the intercommunication or closure between the second violently managing, through the detachable connection between standpipe and the sealing block, be convenient for maintain after the switching device damages, need not to replace whole valve, practiced thrift the cost of maintenance.

Description

High-pressure-resistant external thread stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a high-pressure-resistant external thread stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault.

The existing external thread stop valve is usually cast integrally, when the loss of internal parts is serious, the whole stop valve can be replaced, the replacement is troublesome, and the waste can be caused.

Disclosure of Invention

The utility model aims to provide a high-pressure-resistant external thread stop valve, which aims to solve the problems that the existing external thread stop valve is usually integrally cast in the prior art, and when the loss of internal parts is serious, the whole stop valve can only be replaced, the replacement is troublesome, and the waste is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-pressure-resistant external thread stop valve comprises a vertical pipe;

the vertical pipe is characterized in that a first transverse pipe is arranged on one side of the bottom end of the vertical pipe, a second transverse pipe is arranged on the other side of the middle section of the outer edge surface of the vertical pipe, a sealing block is detachably connected to the top end of the vertical pipe, an opening and closing device is arranged at the bottom end of the sealing block and comprises a long rod, the top end of the long rod penetrates through the sealing block and extends out of the upper end surface of the sealing block, and a grab handle is arranged at the tail end of the extending part of the long rod.

Preferably, the European first circular plate is arranged at the bottom end of the long rod, the second circular plate is arranged on the lower end face of the first circular plate in a fitting mode, the first circular plate is fixedly connected with the long rod, and the second circular plate is rotatably connected with the long rod.

Preferably, the first through groove is formed in the first circular plate, the second through groove is formed in the second circular plate, a through hole for the long rod to be rotationally connected is formed in the center position of the second circular plate, a protruding block is formed in the outer edge surface of the second circular plate, and a groove for the protruding block to be embedded is formed in the vertical pipe.

Preferably, the flange plates are installed on the top end of the outer edge surface of the vertical pipe and the outer edge surface of the sealing block, a plurality of bolts are installed on the two flange plates, and the top end and the bottom end of the sealing block are both provided with anti-drop blocks connected with long rods.

Preferably, a bearing table abutting against the bottom end of the second circular plate is arranged in the vertical pipe, and a rubber pad for sealing is arranged on the bearing table.

Preferably, the first circular plate and the second circular plate are arranged between the first transverse pipe and the second transverse pipe, and short pipes are arranged at opposite ends of the first transverse pipe and the second transverse pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the vertical pipe, the sealing block, the flange plate and the opening and closing device are arranged, the vertical pipe and the sealing block are fixed through the flange plate, the opening and closing device which is rotatably arranged in the sealing block controls the communication or closing between the first transverse pipe and the second transverse pipe, and the vertical pipe and the sealing block are detachably connected, so that the maintenance is convenient after the opening and closing device is damaged, the whole valve is not required to be replaced, and the maintenance cost is saved;

2. through the stock that is equipped with, first plectane, second plectane, first logical groove and second logical groove, drive first plectane rotatory through the stock for relative rotation between first plectane and the second plectane, and then make first logical groove and second logical groove overlap or crisscross, and then the closure of control valve, can be when opening and closing the valve, comparatively light for the switching of valve becomes swiftly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the utility model at A-A of FIG. 1;

fig. 3 is a schematic view illustrating a structure of the opening/closing device of fig. 2 according to the present utility model.

In the figure: 1. a standpipe; 101. a first cross tube; 102. a second cross tube; 103. a short pipe; 104. a receiving table; 2. a sealing block; 201. an anti-falling block; 202. a rubber pad; 3. a flange plate; 301. a bolt; 4. opening and closing means; 401. a long rod; 402. a grab handle; 5. a first circular plate; 501. a second circular plate; 502. a first through groove; 503. a second through slot; 504. a bump; 505. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, there is shown: the embodiment is a preferred implementation manner in the technical scheme, and the high-pressure-resistant external thread stop valve comprises a vertical pipe 1;

the first horizontal pipe 101 is installed to bottom one side of standpipe 1, the second horizontal pipe 102 is installed to standpipe 1 outer fringe face middle section opposite side, sealing block 2 is detachably connected to standpipe 1's top, during the concrete implementation, be provided with waterproof construction between standpipe 1 and the sealing block 2, waterproof construction can be made with rubber, but not limited to this, the user can adapt by oneself according to the specific circumstances, opening and closing device 4 is installed to sealing block 2's bottom, opening and closing device 4 includes stock 401, sealing block 2 is run through at stock 401's top and extend sealing block 2's up end, grab handle 402 is installed to stock 401's extension end.

As shown in fig. 2 and 3, a second circular plate 501 is attached to the lower end surface of the first circular plate 5, the first circular plate 5 is fixedly connected to the long rod 401, and the second circular plate 501 is rotatably connected to the long rod 401;

as shown in fig. 3, a first through groove 502 is formed in the first circular plate 5, a second through groove 503 is formed in the second circular plate 501, a through hole 505 for the long rod 401 to rotate and connect is formed in the center position of the second circular plate 501, a bump 504 is formed on the outer edge surface of the second circular plate 501, and a groove for the bump 504 to be embedded is formed in the vertical pipe 1;

as shown in fig. 1 and 2, flange plates 3 are mounted on the top end of the outer edge surface of the vertical pipe 1 and the outer edge surface of the sealing block 2, a plurality of bolts 301 are mounted on the two flange plates 3, and anti-drop blocks 201 connected with long rods 401 are mounted on the top end and the bottom end of the sealing block 2, and in specific implementation, the anti-drop blocks 201 are rotationally connected with the long rods 401;

as shown in fig. 2, a receiving table 104 abutting against the bottom end of the second circular plate 501 is arranged in the standpipe 1, and a rubber pad 202 for sealing is mounted on the receiving table 104;

as shown in fig. 1 and 3, a first circular plate 5 and a second circular plate 501 are arranged between a first transverse pipe 101 and a second transverse pipe 102, and short pipes 103 are arranged at opposite ends of the first transverse pipe 101 and the second transverse pipe 102;

in this embodiment, the handle 402 is rotated, the handle 402 drives the long rod 401 to rotate, the long rod 401 drives the first circular plate 5 to rotate, so that the first circular plate 5 and the second circular plate 501 rotate relatively, the first through groove 502 and the second through groove 503 are overlapped or staggered, the communication or the closing between the first transverse pipe 101 and the second transverse pipe 102 is controlled, when the opening and closing device 4 is damaged, the fixing between the vertical pipe 1 and the sealing block 2 is released through the dismounting bolt 301, then the sealing block 2 and the opening and closing device 4 are pulled out, corresponding components are replaced, and the cost in maintenance is saved due to the detachable structure.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (6)

1. A high-pressure-resistant external thread stop valve comprises a vertical pipe (1);

the method is characterized in that:

the novel vertical pipe comprises a vertical pipe (1), and is characterized in that a first transverse pipe (101) is arranged on one side of the bottom end of the vertical pipe (1), a second transverse pipe (102) is arranged on the other side of the middle section of the outer edge surface of the vertical pipe (1), a sealing block (2) is detachably connected to the top end of the vertical pipe (1), an opening and closing device (4) is arranged at the bottom end of the sealing block (2), the opening and closing device (4) comprises a long rod (401), the top end of the long rod (401) penetrates through the sealing block (2) and extends out of the upper end surface of the sealing block (2), and a grab handle (402) is arranged at the tail end of the extending part of the long rod (401).

2. The high pressure resistant externally threaded shut off valve of claim 1 wherein: the utility model discloses a pole, including long pole (401), the bottom installation of long pole (401) European first plectane (5), the laminating of the lower terminal surface of first plectane (5) is provided with second plectane (501), first plectane (5) with long pole (401) fixed connection, second plectane (501) with long pole (401) swivelling joint.

3. The high pressure resistant externally threaded shut off valve of claim 2 wherein: the inside of first plectane (5) has seted up first logical groove (502), set up second logical groove (503) in second plectane (501), through-hole (505) that supply stock (401) swivelling joint are seted up to the central point of second plectane (501), the outer fringe face of second plectane (501) has constructed lug (504), set up the groove that supplies lug (504) gomphosis in standpipe (1).

4. The high pressure resistant externally threaded shut off valve of claim 1 wherein: the vertical pipe is characterized in that flange plates (3) are arranged on the top end of the outer edge surface of the vertical pipe (1) and the outer edge surface of the sealing block (2), a plurality of bolts (301) are arranged on the two flange plates (3), and anti-falling blocks (201) connected with long rods (401) are arranged on the top end and the bottom end of the sealing block (2).

5. The high pressure resistant externally threaded shut off valve of claim 2 wherein: the inside of standpipe (1) is provided with butt second plectane (501) bottom accept platform (104), install on accepting platform (104) and be used for sealed rubber pad (202).

6. A high pressure resistant externally threaded shut off valve according to claim 3, wherein: the first circular plate (5) and the second circular plate (501) are arranged between the first transverse pipe (101) and the second transverse pipe (102), and short pipes (103) are arranged at opposite ends of the first transverse pipe (101) and the second transverse pipe (102).