CN216430536U

CN216430536U - One-way plug board valve

Info

Publication number: CN216430536U
Application number: CN202123338664.3U
Authority: CN
Inventors: 黄清豹; 黄霈淇
Original assignee: Foshan Fudan Occupational Safety And Health Equipment Co ltd; Foshan Human Habitat Environmental Protection Engineering Co ltd
Current assignee: Foshan Fudan Occupational Safety And Health Equipment Co ltd; Foshan Human Habitat Environmental Protection Engineering Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-03
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to pipeline valve field, especially a one-way picture peg valve, including last pipe, picture peg valve assembly and lower pipe, picture peg valve assembly includes the valve body, middle part valve body assembly and lower valve body, go up the valve body, middle part valve body assembly and lower valve body are respectively through sealed glue sealing connection between separately, go up valve body and last pipe fixed connection, lower valve body and lower pipe fixed connection, middle part valve body assembly includes the rectangle flange, the picture peg, pull rod and handle, the picture peg passes through pull rod and handle fixed connection, one side of rectangle flange is equipped with the opening, the picture peg sets up in the rectangle flange, the handle sets up outside the rectangle flange, the pull rod passes the opening. The utility model discloses simple structure can be applied to the pipeline valve in the high negative pressure environment, and is airtight effectual.

Description

One-way plug board valve

Technical Field

The utility model belongs to pipeline valve field, especially a one-way picture peg valve.

Background

The flashboard valve is mainly used for an ash discharge valve of an ash hopper of dust removing equipment, the traditional flashboard valve has extremely poor sealing performance, and the sealing can be realized only by filling a gap between the flashboard and the valve body with powder; the pipeline valve used in the high negative pressure environment can not be closed completely, thus causing air leakage and serious energy consumption waste.

Disclosure of Invention

In order to overcome the defect of the prior art, the utility model provides a one-way picture peg valve, simple structure can be applied to the pipeline valve in the high negative pressure environment, and is airtight effectual.

The utility model discloses the technical problem that solve is realized through following technical scheme:

the utility model provides a one-way picture peg valve, including last pipe, picture peg valve assembly and lower pipe, picture peg valve assembly includes the valve body, middle part valve body assembly and lower valve body, go up the valve body, middle part valve body assembly and lower valve body are respectively through sealed glue sealing connection between separately, go up valve body and last pipe fixed connection, lower valve body and lower pipe fixed connection, middle part valve body assembly includes rectangle flange, picture peg, pull rod and handle, the picture peg passes through pull rod and handle fixed connection, one side of rectangle flange is equipped with the opening, the picture peg setting is in the rectangle flange, the handle setting is outside the rectangle flange, the pull rod passes the opening.

Furthermore, the outer dimension of the rectangular flange is consistent with that of the upper valve body and the lower valve body, the thickness of the rectangular flange is 3mm-5mm, the height of the opening is consistent with that of the rectangular flange, and the width of the opening is 10mm-50 mm.

Furthermore, the thickness of the inserting plate is 3mm-5mm, the thickness of the pull rod is 0.01mm-0.05mm smaller than the height of the opening, and the width of the pull rod is 0.01mm-0.05mm smaller than the width of the opening.

Specifically, the inserting plate, the pull rod and the handle are formed by cutting the same iron plate, the thickness of the inserting plate is 3mm-5mm, the height of the opening is 0.01mm-0.05mm larger than the thickness of the inserting plate, and the width of the opening is 0.01mm-0.05mm larger than the width of the pull rod.

Specifically, the thickness of the upper valve body is 3mm-5mm, and the thickness of the lower valve body is 3mm-5 mm.

Particularly, the upper valve body is provided with a first through hole, the pull rod is provided with a second through hole, the lower valve body is provided with a third through hole, and when the one-way flashboard valve is opened, the flashboard blocks the first through hole and the third through hole.

Particularly, when the one-way gate valve is closed, the central points of the first through hole, the second through hole and the third through hole are on the same vertical line.

Particularly, the first through hole is a hole with an inner tooth, and when the one-way flashboard valve is opened, the flashboard is screwed into the first through hole through the fixing screw rod to be screwed, so that the flashboard is prevented from being sucked by high negative pressure.

The utility model discloses simple structure can be applied to the pipeline valve in the high negative pressure environment, and is airtight effectual.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of FIG. 1 with the insert plate, pull rod and handle removed;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a structural schematic diagram of the closing of the one-way gate valve.

Detailed Description

Fig. 1 is a schematic structural view of the present invention; FIG. 2 is a right side view of FIG. 1 with the insert plate, pull rod and handle removed; FIG. 3 is a top view of FIG. 1; fig. 4 is a structural schematic diagram of the closing of the one-way gate valve. As shown in fig. 1 to 4, a one-way picture peg valve, including last pipe 11, picture peg valve assembly and lower pipe 12, picture peg valve assembly includes valve body 1, middle part valve body assembly and lower valve body 2, go up valve body 1, middle part valve body assembly and lower valve body 2 are respectively through sealed glue sealing connection between each other, go up valve body 1 and last pipe 11 fixed connection, lower valve body 2 and lower pipe 12 fixed connection, middle part valve body assembly includes rectangular flange 3, picture peg 4, pull rod 5 and handle 6, picture peg 4 passes through pull rod 5 and handle 6 fixed connection, one side of rectangular flange 3 is equipped with opening 7, picture peg 4 sets up in rectangular flange 3, handle 6 sets up outside rectangular flange 3, pull rod 5 passes opening 7.

The outer dimension of the rectangular flange 3 is consistent with that of the upper valve body 1 and the lower valve body 2, the thickness of the rectangular flange 3 is 3-5 mm, the height of the opening 7 is consistent with that of the rectangular flange 3, the width of the opening 7 is 10-50 mm, the thickness of the inserting plate 4 is 3-5 mm, the inserting plate 4, the pull rod 5 and the handle 6 are integrally formed and are formed by cutting a whole piece of iron plate, the height of the opening 7 is 0.01-0.05 mm larger than that of the inserting plate 4 (the thickness of smearing sealing glue), and the width of the opening 7 is 0.01-0.05 mm larger than that of the pull rod 5.

The inserting plate 4 is square, the size of the inserting plate 4 is 0.1mm-0.2mm smaller than the inner width of the rectangular flange 3, the size of the inserting plate 4 is larger than the inner diameters of the upper circular tube 11 and the lower circular tube 12, the thickness of the upper valve body 1 is 3mm-5mm, and the thickness of the lower valve body 2 is 3mm-5 mm.

The upper valve body 1 is provided with a first through hole 8, the pull rod 5 is provided with a second through hole 9, the lower valve body 2 is provided with a third through hole 10, and when the one-way flashboard valve is opened, the flashboard 4 blocks the first through hole 8 and the third through hole 10; when the one-way gate valve is closed, the central points of the first through hole 8, the second through hole 9 and the third through hole 10 are located on the same vertical line, the first through hole 8 is a hole with an inner tooth, and when the one-way gate valve is opened, the fixing screw is screwed into the first through hole 8 for screwing, so that the gate 4 is not sucked by high negative pressure, and the one-way gate valve is closed.

Sealant is smeared on the bottom of the upper valve body 1, the upper and lower edges of a rectangular flange 3 of a middle valve body assembly and the upper part of the lower valve body 2, the middle valve body assembly is placed on the lower valve body 2, the upper valve body 1 is placed on the middle valve body assembly, the upper valve body assembly, the lower valve body assembly, the middle valve body assembly and the lower valve body assembly are aligned, and the upper valve body assembly, the middle valve body assembly and the lower valve body assembly are fastened in a prefabricated hole by adopting a screw and a nut; the utility model discloses a width ratio opening 7 width of pull rod 5 is little 0.01mm-0.05mm, and thickness ratio opening 7 height is little 0.01mm-0.05mm, adopts 0.01mm-0.05 mm's tight fit structure between the two, and the flange width of rectangle flange 3 is 10mm-50mm, ensures the length and the degree of depth of tight fit between pull rod 5 and the opening 7 to ensure between the sealed effect.

In a word, the utility model discloses simple structure can be applied to the pipeline valve in the high negative pressure environment, and is airtight effectual.

Claims

1. The utility model provides a one-way picture peg valve, includes pipe, picture peg valve assembly and lower pipe, characterized by, picture peg valve assembly includes valve body, middle part valve body assembly and lower valve body, go up valve body, middle part valve body assembly and lower valve body and pass through sealed glue sealing connection respectively between separately, go up valve body and last pipe fixed connection, lower valve body and lower pipe fixed connection, middle part valve body assembly includes rectangle flange, picture peg, pull rod and handle, the picture peg passes through pull rod and handle fixed connection, one side of rectangle flange is equipped with the opening, the picture peg sets up in the rectangle flange, the handle sets up outside the rectangle flange, the pull rod passes the opening.

2. A one way insert plate valve as claimed in claim 1, wherein the outer dimension of the rectangular flange is the same as the upper and lower valve bodies, the thickness of the rectangular flange is 3mm to 5mm, the height of the opening is the same as the thickness of the rectangular flange, and the width of the opening is 10mm to 50 mm.

3. A one-way spile valve according to claim 1, wherein the spile, the pull rod and the handle are cut from the same piece of iron plate, the thickness of the spile is 3mm-5mm, the height of the opening is 0.01mm-0.05mm greater than the thickness of the spile, and the width of the opening is 0.01mm-0.05mm greater than the width of the pull rod.

4. A one-way spile valve as recited in claim 1, wherein the spile is square, the size of the spile is 0.1mm-0.2mm smaller than the inner width of the rectangular flange, and the size of the spile is larger than the inner diameter of the upper round tube and the lower round tube.

5. A one-way spile valve as defined in claim 1, wherein the upper valve body has a thickness of 3mm to 5mm and the lower valve body has a thickness of 3mm to 5 mm.

6. A one-way spile valve as defined in claim 1, wherein the upper valve body is provided with a first through-hole, the pull rod is provided with a second through-hole, and the lower valve body is provided with a third through-hole, such that the spile blocks the first and third through-holes when the one-way spile valve is open.

7. A one-way spile valve according to claim 6, wherein when the one-way spile valve is closed, the centre points of the first through hole, the second through hole and the third through hole are in the same vertical line.

8. A one-way insert plate valve according to claim 6, wherein the first through hole is a hole with internal teeth, and when the one-way insert plate valve is opened, the insert plate is screwed into the first through hole by the fixing screw rod, so that the insert plate is not sucked by high negative pressure.