CN219198182U

CN219198182U - Heavy-calibre high pressure control valve

Info

Publication number: CN219198182U
Application number: CN202320055818.8U
Authority: CN
Inventors: 周其用; 庞志铭; 庞兴凯; 苗圃
Original assignee: Sdt Tianjin Flow Control Technologies Co ltd
Current assignee: Sdt Tianjin Flow Control Technologies Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-16
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a large-caliber high-pressure control valve, which relates to the technical field of control valves and comprises a large-caliber flow guide pipe, a fluid cut-off device and a fluid regulating device, wherein the large-caliber flow guide pipe and the fluid cut-off device are fixedly arranged, the fluid regulating device is fixedly arranged on the fluid cut-off device, the large-caliber flow guide pipe comprises a connecting cover and a flow guide pipe, the connecting cover is of a hollow structure in a funnel shape, the lower surface of the connecting cover is fixedly arranged with the upper surface of the flow guide pipe, the fluid cut-off device and the fluid regulating device are arranged to control fluid unidirectionally, the control is prevented from being asynchronous during bidirectional control, the pressure control is inaccurate, and the connecting cover is arranged to be of a funnel shape with a wide upper part and a narrow lower part and can be connected with a large-caliber pipeline to control the pressure of the large-caliber pipeline.

Description

Heavy-calibre high pressure control valve

The utility model relates to the technical field of control valves, in particular to a large-caliber high-pressure control valve.

Background

The high-pressure control valve adopts an opening and closing piece in a control valve body to adjust the flow of a medium, and controls the pressure of the medium, so that the pressure behind the valve is kept in a set pressure range.

The utility model patent with the application number of 202122216781.6 discloses a high-pressure control valve, which uses a hydraulic driving mode to push and separate two groups of valve cores at the end parts of an opening and closing hydraulic shaft, so that the two groups of opening and closing hydraulic shafts and the valve cores can obtain better high-pressure control effect, but in actual use, the hydraulic pumps at the two sides of the valve body can respectively control the two groups of opening and closing hydraulic shafts and the valve cores to move, errors are easy to occur when the two groups of opening and closing hydraulic shafts and the valve cores move, the two sides of the opening and closing hydraulic shafts and the valve cores move asynchronously, the pressure control of the valve is inaccurate, and meanwhile, after the hydraulic pump is used for a long time, the opening and closing hydraulic shafts and the valve cores and a valve cavity generate gaps, hydraulic oil in the hydraulic cavity can easily leak into the valve cavity to flow into a fluid pipeline, and the fluid is polluted.

In addition, the conventional control valve has a small fluid passage diameter, cannot be connected to a large-diameter pipe, and cannot control the pressure of the large-diameter pipe.

Disclosure of Invention

In order to solve the technical problems that in the prior art, the pressure control of a valve is inaccurate due to the fact that the opening and closing hydraulic shafts on two sides of a valve body are asynchronous with the movement of a valve core, hydraulic oil in a hydraulic cavity is easy to leak into fluid, and the diameter of a fluid channel is small, so that the pressure control of a large-caliber pipeline cannot be performed, the utility model provides a large-caliber high-pressure control valve;

the utility model provides a large-caliber high-pressure control valve which adopts the following technical scheme:

the large-caliber high-pressure control valve comprises a large-caliber flow guide pipe, a fluid cut-off device and a fluid regulating device, wherein the large-caliber flow guide pipe and the fluid cut-off device are fixedly installed, the fluid regulating device is fixedly installed on the fluid cut-off device, the large-caliber flow guide pipe comprises a connecting cover and a flow guide pipe, the connecting cover is of a hollow structure, the lower surface of the connecting cover is fixedly installed with the upper surface of the flow guide pipe, a through hole is formed in the flow guide pipe, the outer diameter and the inner diameter of the flow guide pipe are identical to the outer diameter and the inner diameter of a connecting surface at the bottom of the connecting cover, a flange connecting plate is fixedly arranged on the upper surface of the connecting cover, the fluid cut-off device comprises an upper flow guide groove and a lower flow guide groove, the upper flow guide groove and the lower flow guide groove are fixedly installed, and the upper through hole of the flow guide pipe is mutually communicated with the upper through hole of the upper flow guide groove;

further, a fixed ring is arranged outside the upper diversion trench, a fixed table is arranged in the inner through hole of the fixed ring, and the bottom surface of the diversion trench penetrates through the fixed ring outside the upper diversion trench and is fixedly arranged with the fixed table in the upper diversion trench;

furthermore, a positioning groove is formed in the surface, contacted with the bottom surface of the guide pipe, of the upper guide groove inner fixing table, and a sealing strip is fixedly arranged in the positioning groove;

furthermore, the upper diversion trench and the lower diversion trench are internally formed into a hollow structure, a circular shutoff plate is arranged in the central control structure, and the diameter of the shutoff plate is larger than that of a through hole on the diversion trench to seal the diversion trench;

further, the fluid regulating device comprises a screw fixing seat, and the screw fixing seat is fixedly arranged on the lower surface of the lower diversion trench;

further, both ends are fixed about being provided with the fixed block on the screw rod fixing base, be provided with the mounting hole on the fixed block, this mounting hole internal rotation is provided with the screw rod, the screw rod surface is provided with the screw thread, and the screw thread cooperation is provided with the threaded connection piece on this screw thread, and the fixed shaft shape interlock pole that is provided with on the threaded connection piece upper surface, go up guiding gutter and lower guiding gutter right side contact position and be provided with circular through-hole, interlock pole one side terminal surface passes above-mentioned through-hole and closure plate surface fixed mounting, the screw rod right side is provided with the connecting axle, the connecting axle passes mounting hole and adjustment turn button fixed mounting on the fixed block of screw rod fixing base right side.

In summary, the beneficial effects of the utility model are as follows:

1. according to the hydraulic control system, the fluid cut-off device and the fluid regulating device are arranged to control the fluid in one direction, so that the technical problems that the control is asynchronous in the two-way control, the pressure control is inaccurate, and hydraulic oil is easy to leak into the fluid in a hydraulic control mode are prevented;

2. the connecting cover is arranged in a funnel shape with a wide upper part and a narrow lower part, so that the connecting cover can be connected with a large-caliber pipeline to control the pressure of the large-caliber pipeline.

Drawings

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

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the section B-B of FIG. 3 in accordance with the present utility model;

FIG. 5 is an enlarged view of the portion B of FIG. 4 in accordance with the present utility model;

FIG. 6 is a schematic view of the section A-A of FIG. 2 in accordance with the present utility model;

fig. 7 is an enlarged view of the portion C of fig. 4 according to the present utility model.

The following figures are shown: 1-a large-caliber honeycomb duct; 2-fluid shutoff means; 3-a fluid regulating device; 101-a flange connecting plate; 102-a connection hood; 103-a flow guiding pipe; 201-upper diversion trenches; 202-a lower diversion trench; 203, sealing strips; 301-a linkage rod; 302-a shutoff plate; 303-screw fixing seats; 304-adjusting the knob; 305-a screw; 306-threaded connection block.

Detailed Description

The utility model will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the utility model, but are not to be construed as limiting the utility model.

Examples: a large-diameter high-pressure control valve as shown in fig. 1, 2, 3, 4, 5, 6 and 7.

The implementation principle of the embodiment of the utility model is as follows:

as shown in fig. 1 and 2, a large-caliber high-pressure control valve comprises a large-caliber flow guide pipe 1, a fluid cut-off device 2 and a fluid regulating device 3, wherein the large-caliber flow guide pipe 1 and the fluid cut-off device 2 are fixedly installed, the fluid regulating device 3 is fixedly installed on the fluid cut-off device 2, the large-caliber flow guide pipe 1 comprises a connecting cover 102 and a flow guide pipe 103, the connecting cover 102 is of a hollow structure in a funnel shape, the lower surface of the connecting cover is fixedly installed on the upper surface of the flow guide pipe 103, a through hole is formed in the connecting cover 103, the outer diameter and the inner diameter of the flow guide pipe 103 are the same as the outer diameter and the inner diameter of a connecting surface at the bottom of the connecting cover 102, a flange connecting plate 101 is fixedly arranged on the upper surface of the connecting cover 102, the fluid cut-off device 2 comprises an upper flow guide groove 201 and a lower flow guide groove 202, through holes penetrating through the upper flow guide groove 201 and the lower flow guide groove 202 are fixedly installed on the flow guide pipe 103 and the upper flow guide groove 201, and when the connecting cover 102 is used, the connecting cover 102 is of a funnel shape, the top is connected with a large-caliber pipeline in a funnel shape, and the large-caliber pipeline can be fixedly connected, and the connecting cover 102 is provided with the funnel shape, and the inner diameter of the funnel shape has a large caliber and the inner diameter can be prolonged, and the service life of the large caliber of the large-caliber 1 can be prolonged.

As shown in fig. 5, a fixing ring is arranged outside the upper diversion trench 201, a fixing table is arranged in the inner through hole, and the bottom surface of the diversion trench 103 passes through the fixing ring outside the upper diversion trench 201 and is fixedly installed with the fixing table inside the upper diversion trench 201. A positioning groove is arranged on the surface of the inner fixing table of the upper diversion trench 201, which is contacted with the bottom surface of the diversion trench 103, and a sealing strip 203 is fixedly arranged in the positioning groove. In use, by providing the sealing strip 203 between the draft tube 103 and the upper draft tube 201, the sealing performance between the draft tube 103 and the upper draft tube 201 is increased.

As shown in fig. 4, 6 and 7, the upper diversion trench 201 and the lower diversion trench 202 are internally formed with a hollow structure, a circular shutoff plate 302 is arranged in the hollow structure, and the diameter of the shutoff plate 302 is larger than that of the through hole on the diversion trench 103 to seal the diversion trench 103. The fluid adjusting device 3 includes a screw fixing seat 303, and the screw fixing seat 303 is fixedly disposed on the lower surface of the lower diversion trench 202. The fixed block is fixedly arranged at the left end and the right end of the screw fixing seat 303, the mounting hole is formed in the fixed block, the screw 305 is rotationally arranged in the mounting hole, threads are arranged on the outer surface of the screw 305, a threaded connecting block 306 is arranged on the threads in a matched mode, an axial linkage rod 301 is fixedly arranged on the upper surface of the threaded connecting block 306, circular through holes are formed in the contact positions of the upper guide groove 201 and the right side of the lower guide groove 202, one side end face of the linkage rod 301 penetrates through the through holes to be fixedly mounted with the outer surface of the closure plate 302, a connecting shaft is arranged on the right side of the screw 305, and the connecting shaft penetrates through the mounting hole on the right side fixed block of the screw fixing seat 303 to be fixedly mounted with the adjusting knob 304. When the flow guide pipe 103 is used, an operator rotates the adjusting knob 304, the adjusting knob 304 drives the screw rod 305 to rotate, the screw rod 305 drives the threaded connecting block 306 to horizontally move, the threaded connecting block 306 drives the linkage rod 301 to horizontally move, the linkage rod 301 horizontally moves and drives the shutoff plate 302 to horizontally move, and the shutoff plate 302 adjusts the opening size of the bottom of the through hole in the flow guide pipe 103, so that the flow and the pressure of the fluid of the flow guide pipe 103 are adjusted.

The utility model controls the fluid unidirectionally by arranging the fluid cut-off device 2 and the fluid regulating device 3, prevents inaccurate pressure control caused by asynchronous control during bidirectional control, and solves the technical problem that hydraulic oil is easy to leak into the fluid by using a hydraulic control mode, and the connecting cover 102 is arranged in a funnel shape with wide upper part and narrow lower part, so that a large-caliber pipeline can be connected, and the pressure of the large-caliber pipeline can be controlled.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy-calibre high pressure control valve, includes heavy-calibre honeycomb duct (1), fluid stop (2) and fluid adjusting device (3), heavy-calibre honeycomb duct (1) and fluid stop (2) fixed mounting, fixed mounting fluid adjusting device (3) on fluid stop (2), a serial communication port, heavy-calibre honeycomb duct (1) are including junction housing (102) and honeycomb duct (103), junction housing (102) are the inside hollow structure that is of funnel shape, and its lower surface and the last fixed surface of honeycomb duct (103) are installed, the inside through-hole that has of honeycomb duct (103), outside diameter and internal diameter of honeycomb duct (103) are the same with outside diameter and internal diameter of junction housing (102) bottom junction surface, fixed being provided with flange connecting plate (101) on junction housing (102) upper surface, fluid stop (2) are including last guiding gutter (201) and lower guiding gutter (202) fixed mounting, be provided with the through-hole that runs through on going up guiding gutter (201) and lower guiding gutter (202), on honeycomb duct (103) and last guiding gutter (103) are fixed mounting each other.

2. The large-caliber high-pressure control valve according to claim 1, wherein a fixed ring is arranged outside the upper diversion trench (201), a fixed table is arranged in an inner through hole of the upper diversion trench, and the bottom surface of the diversion trench (103) penetrates through the fixed ring outside the upper diversion trench (201) and is fixedly installed with the fixed table in the upper diversion trench (201).

3. The large-caliber high-pressure control valve according to claim 2, wherein a positioning groove is formed in the surface, which is in contact with the bottom surface of the flow guide pipe (103), of the upper flow guide groove (201), and a sealing strip (203) is fixedly arranged in the positioning groove.

4. The large-caliber high-pressure control valve according to claim 2, wherein the upper diversion trench (201) and the lower diversion trench (202) are internally formed into a hollow structure, a circular shutoff plate (302) is arranged in the hollow structure, and the diameter of the shutoff plate (302) is larger than that of a through hole on the diversion trench (103) to seal the diversion trench (103).

5. The large-caliber high-pressure control valve according to claim 4, wherein the fluid regulating device (3) comprises a screw fixing seat (303), and the screw fixing seat (303) is fixedly arranged on the lower surface of the lower diversion trench (202).

6. The large-caliber high-pressure control valve according to claim 5, wherein fixed blocks are fixedly arranged at the left end and the right end of the screw fixing seat (303), a mounting hole is formed in the fixed block, a screw (305) is rotationally arranged in the mounting hole, threads are arranged on the outer surface of the screw (305), a threaded connecting block (306) is arranged on the threads in a matched mode, an axial linkage rod (301) is fixedly arranged on the upper surface of the threaded connecting block (306), circular through holes are formed in the right contact positions of the upper guide groove (201) and the lower guide groove (202), one side end face of the linkage rod (301) penetrates through the through holes and is fixedly mounted on the outer surface of the shutoff plate (302), and a connecting shaft is arranged on the right side of the screw (305) and penetrates through a mounting hole in the right side fixed block of the screw fixing seat (303) and is fixedly mounted on the adjusting knob (304).