阅读说明：本技术 一种分段阻流式管道自封阀门 (Sectional flow choking type pipeline self-sealing valve ) 是由 吴紫阳 于 2019-09-04 设计创作，主要内容包括：本发明公开了一种分段阻流式管道自封阀门,包括阀门主体、法兰盘、阀杆、阀板、第一密封圈和第二密封圈,所述阀门主体的两侧均焊接有法兰盘,且阀门主体的中间部位开设有第一安装口,并且第三安装口的两侧分别设置有第二安装口和第三安装口,同时第一安装口、第二安装口和第三安装口分别与第一密封板、第二密封板和第三密封板螺栓连接,所述密封板下部的连接杆位于阻流板下部的滑动口处,且2个阻流板上的连接杆与连动杆螺钉连接,并且密封板的两侧均设置有第一密封圈,同时连动杆的上部螺钉连接有复位弹簧。该分段阻流式管道自封阀门,对阀体内部的阀门进行阻隔,在拆卸阀板时,可避免阀板两侧管道内部的介质流出。(The invention discloses a segmented flow blocking type pipeline self-sealing valve which comprises a valve main body, flange plates, a valve rod, a valve plate, a first sealing ring and a second sealing ring, wherein the flange plates are welded on two sides of the valve main body, a first mounting port is formed in the middle of the valve main body, a second mounting port and a third mounting port are respectively formed in two sides of the third mounting port, the first mounting port, the second mounting port and the third mounting port are respectively connected with a first sealing plate, a second sealing plate and a third sealing plate through bolts, a connecting rod on the lower portion of each sealing plate is located at a sliding port on the lower portion of each flow blocking plate, connecting rods on 2 flow blocking plates are connected with a linkage rod through screws, the first sealing rings are arranged on two sides of each sealing plate, and a reset spring is connected with an upper screw of each linkage rod. This valve is proclaimed oneself to segmentation choked flow formula pipeline carries out the separation to the inside valve of valve body, when dismantling the valve plate, can avoid the inside medium of valve plate both sides pipeline to flow.)

1. The utility model provides a valve is proclaimed oneself to segmentation choked flow formula pipeline, includes valve main part (1), ring flange (2), valve rod (3), valve plate (8), first sealing washer (19) and second sealing washer (20), its characterized in that: the valve is characterized in that flange plates (2) are welded on two sides of the valve main body (1), a first mounting opening (9) is formed in the middle of the valve main body (1), a second mounting opening (10) and a third mounting opening (11) are respectively formed in two sides of the third mounting opening (11), meanwhile, the first mounting opening (9), the second mounting opening (10) and the third mounting opening (11) are respectively in bolted connection with a first sealing plate (4), a second sealing plate (5) and a third sealing plate (6), second sealing rings (20) are respectively arranged on the inner sides of the first sealing plate (4), the second sealing plate (5) and the third sealing plate (6), the first sealing plate (4) is connected with the valve rod (3), a valve plate (8) is arranged at the lower end of the valve rod (3), mounting grooves (22) are respectively formed at the lower ends of the second sealing plate (5) and the third sealing plate (6), a top sealing block (18) is arranged in the mounting groove (22), the mounting groove (22) is arranged on the inner side of the top sealing block (18), meanwhile, spoilers (7) are arranged below the second sealing plate (5) and the third sealing plate (6), a sliding groove (12) is arranged inside the spoiler (7), a sealing plate (17) is arranged inside the sliding groove (12), and the inner sides of the second sealing plate (5), the third sealing plate (6) and the first sealing plate (4) are all provided with a second sealing ring (20), the connecting rod (14) at the lower part of the sealing plate (17) is positioned at the sliding port (13) at the lower part of the spoiler (7), and the connecting rods (14) on the 2 spoilers (7) are connected with the linkage rod (15) by screws, and both sides of the sealing plate (17) are provided with first sealing rings (19), and the upper part of the linkage rod (15) is connected with a return spring (16) through a screw.

2. the segmented choke-type pipe self-sealing valve according to claim 1, wherein: the valve is characterized in that the first sealing plate (4), the second sealing plate (5) and the third sealing plate (6) are detachable structures, the outer walls of the first sealing plate (4), the second sealing plate (5) and the third sealing plate (6) are all level with the outer wall of the valve main body (1), and the structure of the second sealing plate (5) is the same as that of the third sealing plate (6).

3. The segmented choke-type pipe self-sealing valve according to claim 1, wherein: the number of spoiler (7) is provided with 2 altogether, and 2 spoiler (7) are located the left and right sides of valve plate (8) in the middle of valve main part (1) respectively to be sealing connection between the edge of spoiler (7) and the inner wall of valve main part (1), 2 spoiler's (7) shape structure is disc structure simultaneously.

4. The segmented choke-type pipe self-sealing valve according to claim 1, wherein: the sliding groove (12) is positioned in the middle of the spoiler (7), the length of the sliding groove (12) is twice that of the sealing plate (17), and the sliding groove (12) is communicated with a sliding opening (13) at the lower part of the spoiler (7).

5. the segmented choke-type pipe self-sealing valve according to claim 1, wherein: the sliding port (13) is positioned on one side of the spoiler (7) close to the valve plate (8), and the width of the sliding port (13) is greater than that of the connecting rod (14).

6. The segmented choke-type pipe self-sealing valve according to claim 1, wherein: the connecting rod (14) and the linkage rod (15) are both horizontally arranged, and the connecting rod (14) and the linkage rod (15) are both positioned at the central part of the valve main body (1).

7. The segmented choke-type pipe self-sealing valve according to claim 1, wherein: the side length of the sealing plate (17) is larger than that of the water through opening (23) in the spoiler (7), the water through opening (23) penetrates through the upper portion of the spoiler (7), and the mounting structure of the sealing plate (17) is of an up-down lifting type structure.

8. the segmented choke-type pipe self-sealing valve according to claim 1, wherein: the width of the installation groove (22) is the same as the thickness of the spoiler (7), and the 2 spoilers (7) are installed in parallel.

Technical Field

the invention relates to the technical field of valves, in particular to a sectional flow blocking type pipeline self-sealing valve.

background

The valve is a control device in a control medium conveying pipeline, a medium conveyed in the conveying pipeline can be gas or liquid, the valve can control the circulation or stop of the medium in the pipeline, the control valve used in the existing pipeline can be divided into a manual valve and an automatic valve, the manual valve and the automatic valve can both control the circulation of the medium in the conveying pipeline, the manual valve is mainly used for controlling a water flow pipeline, and the automatic valve is mainly used for controlling the gas medium.

The existing valve is mainly fixed at the joint of two pipelines through flanges at two ends of the valve, so that the control of media in the pipelines is realized, but the following problems exist in daily maintenance and replacement of an internal valve plate of the valve;

1. With the structure, when the valve plate is disassembled, the whole valve body needs to be disassembled, then the valve on the valve can be replaced, when the valve body is installed again, the flanges at the two sides of the valve body need to be butted with the two pipe orifices, and the installation mode is complex;

2. The medium in the pipeline that need dismantle valve both sides is distinguished the separation, easily causes the inside medium of valve both sides pipeline to discharge, if the medium is liquid, changes the pollution that causes near valve equipment and ground.

Disclosure of Invention

the invention aims to provide a segmented flow-blocking type pipeline self-sealing valve, which aims to solve the problems that when a valve plate is disassembled, the whole valve body needs to be disassembled, then the valve on the valve can be replaced, when the valve body is assembled again, flanges on two sides of the valve body need to be butted with two pipe orifices, the installation mode is complex, media in pipelines on two sides of the valve needing to be disassembled can not be blocked in a partitioning mode, the media in the pipelines on two sides of the valve are easy to be discharged, and if the media are liquid, equipment near the valve and the ground are easy to be polluted.

in order to achieve the purpose, the invention provides the following technical scheme: a segmented choke type pipeline self-sealing valve comprises a valve main body, flange plates, a valve rod, a valve plate, a first sealing ring and a second sealing ring, wherein the flange plates are welded on two sides of the valve main body, a first mounting hole is formed in the middle of the valve main body, a second mounting hole and a third mounting hole are formed in two sides of the third mounting hole respectively, the first mounting hole, the second mounting hole and the third mounting hole are connected with a first sealing plate, a second sealing plate and a third sealing plate respectively through bolts, the second sealing ring is arranged on the inner sides of the first sealing plate, the second sealing plate and the third sealing plate respectively, the first sealing plate is connected with the valve rod, the valve plate is arranged at the lower end of the valve rod, mounting grooves are formed in the lower ends of the second sealing plate and the third sealing plate, a top sealing block is arranged in each mounting groove, and a mounting groove is formed in the inner side of the top, simultaneously the below of second closing plate and third closing plate all is provided with the spoiler, the inside of spoiler is provided with the sliding tray, and the inside of sliding tray is provided with the closing plate to the inboard of second closing plate, third closing plate and first closing plate all is provided with the second sealing washer, the connecting rod of closing plate lower part is located the sliding opening department of spoiler lower part, and connecting rod and trace screw connection on 2 spoilers to the both sides of closing plate all are provided with first sealing washer, and the upper portion screw connection of trace has reset spring simultaneously.

Preferably, the first sealing plate, the second sealing plate and the third sealing plate are detachable structures, outer walls of the first sealing plate, the second sealing plate and the third sealing plate are all level with an outer wall of the valve main body, and the structure of the second sealing plate is the same as that of the third sealing plate.

Preferably, the number of spoiler is provided with 2 altogether, and 2 spoilers are located the left and right sides of valve plate in the middle of the valve main part respectively to be sealing connection between the edge of spoiler and the inner wall of valve main part, 2 spoilers' shape structure is disc structure simultaneously.

Preferably, the sliding groove is located in the middle of the spoiler, the length of the sliding groove is twice the length of the sealing plate, and the sliding groove is communicated with the sliding opening at the lower part of the spoiler.

Preferably, the sliding opening is located on one side of the spoiler close to the valve plate, and the width of the sliding opening is larger than that of the connecting rod.

Preferably, the connecting rod and the linkage rod are both horizontally arranged and are both positioned in the central part of the valve main body.

Preferably, the side length of the sealing plate is greater than that of the water through opening in the spoiler, the water through opening penetrates through the upper portion of the spoiler, and the mounting structure of the sealing plate is of an up-down lifting type structure.

Preferably, the groove width of the mounting groove is the same as the thickness of the spoiler, and the 2 spoilers are mounted in parallel.

Compared with the prior art, the invention has the beneficial effects that: the segmented flow blocking type pipeline self-sealing valve is characterized in that the existing valve body structure is improved in a targeted manner, a stainless steel fitting is adopted, the valve inside the valve body can be blocked, when the valve plate is disassembled, media inside pipelines on two sides of the valve plate can be prevented from flowing out, further, a large amount of media inside the pipelines can be prevented from leaking and flowing out, and blocking of media inside the pipelines can be realized;

1. The valve body is provided with the first sealing plate, the valve plate in the valve body can be detached through the first sealing plate without detaching the whole valve body from two pipelines, the valve plate is convenient to mount and mount quickly, and the blocking of media in the pipelines at two sides of the valve plate can be realized through the flow blocking plates at two sides of the valve plate;

2. The inboard at the spoiler is provided with the closing plate, and the lower part of closing plate is passed through the connecting rod and is connected with the trace to combine the reset spring of trace top, but not only be limited to reset spring, reset spring can be replaced by other scalable components that reset, and reset spring's both ends are the fix with screw, and when the valve plate was dismantled, the trace can realize the rising of closing plate under reset spring's effect, alright to the sealed of spoiler upper portion water service mouth.

Drawings

FIG. 1 is a schematic diagram of a front view of a valve body of a segmented choke-type self-sealing valve for a pipeline according to the present invention;

FIG. 2 is a schematic structural diagram of a linkage rod of a segmented choke self-sealing valve according to the present invention in a pressed state;

FIG. 3 is a schematic diagram of a rising structure of a linkage rod of the segmented choke self-sealing valve for a pipeline according to the present invention;

FIG. 4 is an enlarged schematic structural diagram of a point A in FIG. 2 of the sectional choke flow type self-sealing valve for a pipeline according to the present invention;

FIG. 5 is a schematic cross-sectional view of the portion A-A of the self-sealing valve of the sectional choke type pipe in FIG. 2 according to the present invention;

FIG. 6 is a schematic diagram of a sealing plate of a segmented choke-type self-sealing valve for a pipeline according to the present invention;

FIG. 7 is a schematic structural view of a first mounting port, a second mounting port and a third mounting port of a segmented choke-type pipe self-sealing valve according to the present invention;

FIG. 8 is a schematic diagram of a second sealing plate of the segmented choke self-sealing valve according to the present invention;

Fig. 9 is a schematic diagram of a first mounting opening and a first sealing plate of a segmented choke flow type pipeline self-sealing valve according to the present invention.

In the figure: 1. a valve body; 2. a flange plate; 3. a valve stem; 4. a first sealing plate; 5. a second sealing plate; 6. a third sealing plate; 7. a spoiler; 8. a valve plate; 9. a first mounting port; 10. a second mounting opening; 11. a third mounting port; 12. a sliding groove; 13. a sliding port; 14. a connecting rod; 15. a linkage rod; 16. a return spring; 17. a sealing plate; 18. a top sealing block; 19. a first seal ring; 20. a second seal ring; 21. a sealing groove; 22. mounting grooves; 23. a water passage port.

Detailed Description

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a segmented choke type pipeline self-sealing valve comprises a valve body 1, a flange plate 2, a valve rod 3, a first sealing plate 4, a second sealing plate 5, a third sealing plate 6, a spoiler 7, a valve plate 8, a first mounting port 9, a second mounting port 10, a third mounting port 11, a sliding groove 12, a sliding port 13, a connecting rod 14, a linkage rod 15, a reset spring 16, a sealing plate 17, a top sealing block 18, a first sealing ring 19, a second sealing ring 20, a sealing groove 21, a mounting groove 22 and a water through port 23, wherein the flange plate 2 is welded on two sides of the valve body 1, the first mounting port 9 is formed in the middle of the valve body 1, the second mounting port 10 and the third mounting port 11 are formed in two sides of the third mounting port 11 respectively, and the first mounting port 9, the second mounting port 10 and the third mounting port 11 are in bolted connection with the first sealing plate 4, the second sealing plate 5 and the third sealing plate 6 respectively, the inner sides of the first sealing plate 4, the second sealing plate 5 and the third sealing plate 6 are all provided with a second sealing ring 20, the first sealing plate 4 is connected with the valve rod 3, the lower end of the valve rod 3 is provided with a valve plate 8, the lower ends of the second sealing plate 5 and the third sealing plate 6 are all provided with a mounting groove 22, the inside of the mounting groove 22 is provided with a top sealing block 18, the inside of the top sealing block 18 is provided with the mounting groove 22, the lower sides of the second sealing plate 5 and the third sealing plate 6 are both provided with a spoiler 7, the inside of the spoiler 7 is provided with a sliding groove 12, the inside of the sliding groove 12 is provided with a sealing plate 17, the inner sides of the second sealing plate 5, the third sealing plate 6 and the first sealing plate 4 are all provided with a second sealing ring 20, a connecting rod 14 at the lower part of the sealing plate 17 is positioned at a sliding port 13 at the lower part of the spoiler, and both sides of the sealing plate 17 are provided with first sealing rings 19, and the upper screw of the linkage rod 15 is connected with a return spring 16.

First closing plate 4, second closing plate 5 and third closing plate 6 are detachable construction, and first closing plate 4, the outer wall of second closing plate 5 and third closing plate 6 all is the outer wall parallel and level with valve main body 1, and the structure of second closing plate 5 is the same with the structure of third closing plate 6, set up accessible first closing plate 4 like this, second closing plate 5 and third closing plate 6 are respectively to first installing port 9, the sealed processing of second installing port 10 and third installing port 11, and conveniently change first installing port 9, the inside spoiler 7 or the valve plate 8 that corresponds of second installing port 10 and third installing port 11.

The number of spoiler 7 is provided with 2 altogether, and 2 spoilers 7 are located the left and right sides of valve plate 8 in the middle of the valve main part 1 respectively, and be sealing connection between the edge of spoiler 7 and the inner wall of valve main part 1, 2 spoilers 7's shape structure is disc structure simultaneously, sets up like this and can realize that spoiler 7 seals the valve main part 1 inner wall of valve plate 8 both sides, and the convenience is to the limit control of closing plate 17.

The sliding groove 12 is located in the middle of the spoiler 7, the length of the sliding groove 12 is twice the length of the sealing plate 17, and the sliding groove 12 is communicated with the sliding port 13 at the lower part of the spoiler 7, so that the sealing plate 17 can slide up and down in the sliding groove 12, the opening and closing of the water through port 23 can be controlled by the sealing plate 17, and the flow blocking effect can be realized.

The sliding port 13 is positioned on one side of the spoiler 7 close to the valve plate 8, and the width of the sliding port 13 is larger than that of the connecting rod 14, so that the connecting rod 14 on the lower part of the sealing plate 17 can move on the inner side of the sliding port 13, and the sealing plate 17 can be controlled.

connecting rod 14 and trace 15 are horizontal installation, and connecting rod 14 and trace 15 all are located the central part of valve main part 1, and the setting can conveniently drive 2 sealing plates 17 through trace 15 and connecting rod 14 and rise and descend simultaneously like this, opens and closes when making things convenient for water port 23.

the side length of the sealing plate 17 is larger than that of the water through opening 23 in the spoiler 7, the water through opening 23 penetrates through the upper portion of the spoiler 7, and the mounting structure of the sealing plate 17 is of a vertical lifting type structure, so that the sealing treatment of the sealing plate 17 on the water through opening 23 can be realized, and the medium is prevented from being discharged through the water through opening 23.

The groove width of mounting groove 22 is the same with spoiler 7's thickness, and each other is parallel to each other between 2 spoilers 7 and installs, sets up like this and can conveniently to spoiler 7 spacing fixed, is favorable to spoiler 7 at the inside installation of valve main part 1.

The working principle is as follows: when the segmented choke type pipeline self-sealing valve is installed or maintained, as shown in fig. 1 and 9, firstly, a tool is used for detaching the bolt on the first sealing plate 4, then, the first sealing plate 4 is moved upwards, the valve plate 8 below the valve rod 3 can be moved out of the valve body 1 through the first sealing plate 4, and the valve plate 8 can be maintained;

In the process of moving out the valve plate 8, as shown in fig. 2, 3, 4 and 5, as the valve plate 8 continuously moves upwards, the linkage rod 15 moves upwards under the pulling of the return spring 16, the linkage rod 15 drives the connection rod 14 screwed at both ends of the linkage rod to move upwards, the connection rod 14 moves upwards in the sliding port 13, and further drives the sealing plate 17 to move upwards in the sliding groove 12 inside the spoiler 7, after the valve plate 8 is completely moved out, the sealing plate 17 completely blocks the water through port 23 on the spoiler 7, and the water through port 23 is sealed by the first sealing ring 19 outside the sealing plate 17 as shown in fig. 4, 5 and 6, that is, the state of fig. 2 is changed into the state of fig. 3, so that the spoiler 7 and the sealing plate 17 block media;

In the process of installing the valve plate 8, as shown in fig. 2, 3, 4 and 5, as the valve plate 8 continuously moves downwards, the linkage rod 15 moves downwards under the pulling of the return spring 16, the linkage rod 15 drives the connecting rod 14 screwed at both ends of the linkage rod to move downwards, the connecting rod 14 moves downwards in the sliding port 13, and further drives the sealing plate 17 to move downwards in the sliding groove 12 inside the spoiler 7, after the valve plate 8 completely enters the valve body 1, the sealing plate 17 moves downwards below the water through port 23 on the upper portion of the spoiler 7, that is, the water through port 23 on the spoiler 7 is completely opened, then, the bolt on the first sealing plate 4 is screwed, so as to complete the fixing of the first sealing plate 4, that is, the state of fig. 3 is changed into the state of fig. 2, and the opening of the water through port 23 on the upper portion of the spoiler 7 is;

when the spoiler 7 needs to be replaced, as shown in fig. 1, 2, 3, 4 and 5, a tool is used to detach the bolt on the second sealing plate 5 or the third sealing plate 6, so that the second sealing plate 5 or the third sealing plate 6 can be taken out from the valve body 1, after the second sealing plate 5 or the third sealing plate 6 is taken out, as shown in fig. 7 and 8, the mounting groove 22 on the lower end surface of the second sealing plate 5 or the third sealing plate 6 is separated from the spoiler 7, as shown in fig. 4, the screw on the linkage rod 15 and the screw on the connecting rod 14 are detached, so that the spoiler 7 at the second mounting port 10 or the third mounting port 11 can be taken out for replacement, the valve plate 8 below the valve rod 3 is moved out from the interior of the valve body 1 through the first sealing plate 4, and the valve plate 8 can be maintained.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.