CN214699407U

CN214699407U - Multiple sealed knife gate that prevents leaking

Info

Publication number: CN214699407U
Application number: CN202120211688.3U
Authority: CN
Inventors: 陈韬仲; 吴献策; 王娇; 黄彬彬; 刘德
Original assignee: Dongyi Valve Manufacturing Nantong Co ltd
Current assignee: Dongyi Valve Manufacturing Nantong Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-12
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a knife gate valve technical field just discloses a multiple sealed knife gate of preventing leaking, including the knife gate valve body, the inboard joint of knife gate valve body has the steel ring, the depressed groove has been seted up in the outside of steel ring, the inboard joint of knife gate valve body has the rubber circle, the inside fixedly connected with sealing strip of depressed groove, the inboard joint of knife gate valve body has the metal circle, the inboard fixedly connected with of knife gate valve body crosses the filter frame, cross the openly of filter frame and seted up the discharge orifice, the inboard fixedly connected with filter screen in discharge orifice, the row's of bottom fixedly connected with material pipe of knife gate valve body, arrange the inboard sliding connection of material pipe and have sealed piece, the bottom fixedly connected with spliced pole of sealed piece, arrange the equal fixedly connected with in the left and right sides of material pipe and hold the piece. This multiple sealed anti-leakage knife gate valve carries out the edulcoration processing to the knife gate valve through filtration processing regularly again, and the effectual purpose that makes the knife gate valve reach and to prevent blockking up.

Description

Multiple sealed knife gate that prevents leaking

Technical Field

The utility model relates to a knife gate valve technical field specifically is a multiple sealed knife gate valve of preventing leaking.

Background

The knife gate valve enters China from eighties, the application range of the knife gate valve is expanded from the common field to wider fields in less than twenty years, coal dressing and slag discharging of mine power plants are carried out, urban sewage treatment is carried out, and a general industrial pipeline is developed to a professional pipeline system for food, health, medicine and the like.

The knife gate valve is excellent in performance and large in market demand, but the traditional knife gate valve is relatively simple in structure, only seals through a flange plate, is poor in sealing effect, and causes the condition that the knife gate valve leaks.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a multiple sealed knife gate of preventing leaking possesses and to prevent leaking and prevent advantages such as jam, has solved traditional knife gate and has sealed the problem that the effect is poor and can not prevent blockking up.

(II) technical scheme

For the above-mentioned purpose that can prevent leaking and prevent blockking up, the utility model provides a following technical scheme: a multiple-sealing leakage-proof knife gate valve, which comprises a knife gate valve body, wherein a steel ring is clamped and connected on the inner side of the knife gate valve body, the outer side of the steel ring is provided with a concave groove, the inner side of the knife gate valve body is clamped with a rubber ring, the interior of the sunken groove is fixedly connected with a sealing strip, the inner side of the knife gate valve body is clamped with a metal ring, the inner side of the knife gate valve body is fixedly connected with a filter frame, the front side of the filter frame is provided with a through flow hole, the inner side of the through flow hole is fixedly connected with a filter screen, the bottom of the knife gate valve body is fixedly connected with a discharge pipe, the inner side of the discharging pipe is connected with a sealing block in a sliding way, the bottom of the sealing block is fixedly connected with a connecting column, arrange the equal fixedly connected with of left and right sides of material pipe and hold the piece, the bottom fixedly connected with of spliced pole holds the dish, first screw hole has been seted up to the bottom of holding the piece.

Preferably, the bottom of the bearing plate is provided with a second threaded hole, the inner side of the second threaded hole is in threaded connection with a fastening bolt, and the fastening bolt is in threaded connection with the first threaded hole.

Preferably, the bottom of the knife gate valve body is provided with a sewage draining groove, and the sewage draining groove is communicated with a discharging pipe.

Preferably, the diameter of the sealing block is equal to the inner diameter of the discharge pipe, and the discharge pipe is positioned at the top of the bearing disc.

Preferably, the rubber ring is located on the back of the metal ring, and the metal ring is located on the back of the steel ring.

Preferably, the filter screen is positioned on the back of the rubber ring.

(III) advantageous effects

Compared with the prior art, the utility model provides a multiple sealed knife gate of preventing leaking possesses following beneficial effect:

this multiple sealed anti-leakage knife gate valve, through setting up the filter screen, under the filtering action of filter screen, make debris blocked, and when knife gate valve did not work, rotate fastening bolt, make fastening bolt no longer with first screw hole threaded connection, will accept the dish, spliced pole and seal block take off, debris receive under the left and right sides of self gravity, will get into from the blowdown groove, and flow out from arranging the material pipe, carry out edulcoration processing through filtration processing rescheduled tool setting gate valve, effectual messenger's knife gate valve reaches the mesh that can prevent blockking up, and through setting up the rubber circle, the metal ring, steel ring and sealing strip, at the rubber circle, the metal ring, under the multiple sealing action of steel ring and sealing strip, the effectual sealed effectual mesh that is effectual reaches, and then the effectual mesh that can prevent leaking that reaches.

Drawings

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

FIG. 2 is a partial right side view of the knife gate valve body connecting structure in the structure of the present invention;

fig. 3 is a partially enlarged schematic view of a in the structure diagram 2 of the present invention;

fig. 4 is a partially enlarged schematic view of a structure B of the present invention.

In the figure: 1 knife gate valve body, 2 steel rings, 3 undercut groove, 4 rubber circle, 5 sealing strips, 6 metal circles, 7 filter frame, 8 flowerpots hole, 9 filter screens, 10 row's material pipe, 11 sealed pieces, 12 spliced poles, 13 take over the piece, 14 take over the dish, 15 first screw holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a multiple sealing leakage-proof knife gate valve comprises a knife gate valve body 1, a steel ring 2 is clamped on the inner side of the knife gate valve body 1, a recessed groove 3 is formed on the outer side of the steel ring 2, a rubber ring 4 is clamped on the inner side of the knife gate valve body 1, a sealing strip 5 is fixedly connected inside the recessed groove 3, a metal ring 6 is clamped on the inner side of the knife gate valve body 1, the rubber ring 4 is positioned on the back of the metal ring 6, the metal ring 6 is positioned on the back of the steel ring 2, a filter frame 7 is fixedly connected on the inner side of the knife gate valve body 1, a through-flow hole 8 is formed in the front of the filter frame 7, a filter screen 9 is fixedly connected on the inner side of the through-flow hole 8, the filter screen 9 is positioned on the back of the rubber ring 4, a discharge pipe 10 is fixedly connected to the bottom of the knife gate valve body 1, a sewage discharge groove is formed in the bottom of the knife gate valve body 1 and is communicated with the discharge pipe 10, a sealing block 11 is slidably connected to the inner side of the discharge pipe 10, the diameter of the sealing block 11 is equal to the inner diameter of the discharging pipe 10, the discharging pipe 10 is positioned at the top of the receiving disc 14, the bottom of the sealing block 11 is fixedly connected with the connecting column 12, the left side and the right side of the discharging pipe 10 are both fixedly connected with the receiving block 13, the bottom end of the connecting column 12 is fixedly connected with the receiving disc 14, the bottom of the receiving disc 14 is provided with a second threaded hole, the inner side of the second threaded hole is in threaded connection with a fastening bolt, the fastening bolt is in threaded connection with the first threaded hole 15, the bottom of the receiving block 13 is provided with the first threaded hole 15, through the arrangement of the filter screen 9, under the filtering action of the filter screen 9, sundries are blocked, when the knife gate valve is not operated, the fastening bolt is rotated, the fastening bolt is not in threaded connection with the first threaded hole 15 any more, the receiving disc 14, the connecting column 12 and the sealing block 11 are taken down, the sundries will enter from the sewage discharge groove under the left and right sides of the self gravity, and flow out from arranging material pipe 10, carry out edulcoration processing to the knife gate valve through filtration processing regularly again, effectual messenger's knife gate valve reaches the purpose that can prevent blockking up, and through setting up rubber circle 4, metal ring 6, steel ring 2 and sealing strip 5, under the multiple sealed effect of rubber circle 4, metal ring 6, steel ring 2 and sealing strip 5, effectual sealed effectual purpose that reaches, and then the effectual purpose that can prevent leaking.

When using, through setting up filter screen 9, under the filtering action of filter screen 9, make debris blocked, and when the knife gate valve was not worked, rotate fastening bolt, make fastening bolt no longer with first screw hole 15 threaded connection, will accept dish 14, spliced pole 12 and seal block 11 take off, debris receive under the left and right sides of self gravity, will get into from the blowdown groove, and flow out from arranging material pipe 10, carry out edulcoration processing to the knife gate valve through filtration processing regularly again, effectual messenger's knife gate valve reaches the purpose that can prevent blockking up, and through setting up rubber circle 4, metal circle 6, steel ring 2 and sealing strip 5, under rubber circle 4, metal circle 6, under the multiple sealing action of steel ring 2 and sealing strip 5, the effectual sealed effectual mesh that is effectual reaches, and then the effectual mesh that can prevent leaking that reaches.

In conclusion, the multiple-sealing leakage-proof knife gate valve is provided with the filter screen 9, so that sundries are blocked under the filtering action of the filter screen 9, when the knife gate valve is not in operation, the fastening bolt is rotated to ensure that the fastening bolt is not in threaded connection with the first threaded hole 15 any more, the bearing disc 14, the connecting column 12 and the sealing block 11 are taken down, sundries under the left and right of the self gravity will enter from the sewage draining groove and flow out from the discharging pipe 10, the knife gate valve is effectively prevented from being blocked by filtering and then periodically removing impurities of the knife gate valve, and the rubber ring 4, the metal ring 6, the steel ring 2 and the sealing strip 5 are arranged, under the multiple sealing action of the rubber ring 4, the metal ring 6, the steel ring 2 and the sealing strip 5, the aim of good sealing effect is effectively achieved, and then effectual purpose that can prevent leaking of reaching has solved traditional knife gate valve and has sealed the problem that the effect is poor and can not prevent blockking up.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a knife gate valve is prevented leaking in multiple seal, includes knife gate valve body (1), its characterized in that: the steel ring (2) is clamped on the inner side of the knife gate valve body (1), the concave groove (3) is formed in the outer side of the steel ring (2), the rubber ring (4) is clamped on the inner side of the knife gate valve body (1), the sealing strip (5) is fixedly connected with the inner side of the concave groove (3), the metal ring (6) is clamped on the inner side of the knife gate valve body (1), the filter frame (7) is fixedly connected with the inner side of the knife gate valve body (1), the through hole (8) is formed in the front side of the filter frame (7), the filter screen (9) is fixedly connected with the inner side of the through hole (8), the material discharging pipe (10) is fixedly connected with the bottom of the knife gate valve body (1), the sealing block (11) is slidably connected with the inner side of the material discharging pipe (10), the connecting column (12) is fixedly connected with the bottom of the sealing block (11), and the bearing blocks (13) are fixedly connected with the left side and the right side of the material discharging pipe (10), the bottom end of the connecting column (12) is fixedly connected with a bearing disc (14), and the bottom of the bearing block (13) is provided with a first threaded hole (15).

2. A multiple seal, leak resistant knife gate valve according to claim 1, wherein: the bottom of the bearing disc (14) is provided with a second threaded hole, the inner side of the second threaded hole is in threaded connection with a fastening bolt, and the fastening bolt is in threaded connection with the first threaded hole (15).

3. A multiple seal, leak resistant knife gate valve according to claim 1, wherein: the bottom of the knife gate valve body (1) is provided with a sewage draining groove, and the sewage draining groove is communicated with a discharging pipe (10).

4. A multiple seal, leak resistant knife gate valve according to claim 1, wherein: the diameter of the sealing block (11) is equal to the inner diameter of the discharge pipe (10), and the discharge pipe (10) is positioned at the top of the bearing disc (14).

5. A multiple seal, leak resistant knife gate valve according to claim 1, wherein: the rubber ring (4) is positioned on the back surface of the metal ring (6), and the metal ring (6) is positioned on the back surface of the steel ring (2).

6. A multiple seal, leak resistant knife gate valve according to claim 1, wherein: the filter screen (9) is positioned on the back of the rubber ring (4).