CN220770177U

CN220770177U - Replaceable sealing knife gate valve

Info

Publication number: CN220770177U
Application number: CN202322388398.8U
Authority: CN
Inventors: 李全亮; 石敬永; 沈克勤; 陈尚丰
Original assignee: Frick Fluid Technology Wuxi Co ltd
Current assignee: Frick Fluid Technology Wuxi Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-12
Anticipated expiration: 2033-09-04

Abstract

The application provides a removable sealing knife gate valve, including the valve body, fixed connection in the framework at valve body top, fixed connection in the link at framework top, sliding connection in the valve plate in the framework and the mounting panel that laminates with the valve body bottom, the framework top is equipped with actuating mechanism, is provided with seal assembly in the valve body, is equipped with fixed subassembly on the mounting panel, and fixed subassembly is located seal assembly bottom, and actuating mechanism is located seal assembly's top; the fixing assembly comprises a mounting groove which is formed in the mounting plate, a loop bar is fixedly connected to the bottom of the mounting groove, a first spring is fixedly connected to the inner bottom wall of the loop bar, a connecting rod is fixedly connected to the top of the first spring, symmetrically distributed connecting plates are fixedly connected to the connecting rod, and clamping plates are rotationally connected between the connecting plates; the U-shaped sealing backing plate can be removed more conveniently and efficiently, operation is simple and convenient, and efficiency during replacement is improved.

Description

Replaceable sealing knife gate valve

Technical Field

The utility model relates to the technical field, in particular to a replaceable sealing knife gate valve.

Background

The knife gate valve is also called knife gate valve, the knife slurry valve is characterized in that the valve body is provided with a valve hole matched with the flashboard, the opening and closing piece of the valve body is the flashboard, the moving direction of the flashboard is perpendicular to the fluid direction, and the knife blade-shaped flashboard capable of cutting fiber materials is used for cutting off media.

Through retrieving, chinese patent with publication number of CN214838507U discloses a knife gate valve convenient to change sealing strip, concretely relates to knife gate valve technical field, including the valve body, the fixed intercommunication in valve body top has the framework, the inside valve plate that is equipped with of framework, the valve plate contacts with the framework inner wall, the fixed drive arrangement that is equipped with in framework top, the standing groove has been seted up to the valve body bottom, the inside sealing device that is equipped with of standing groove, sealing device sets up in the drive arrangement bottom. According to the utility model, the connecting column is separated from the U-shaped sealing backing plate by rotating the connecting column, so that a user can take down the U-shaped sealing backing plate integrally, overhaul and maintenance or replacement are performed on the U-shaped sealing backing plate, meanwhile, the spring is not limited, the user can take out the spring and replace the spring, the situation of weakening of elastic potential energy is avoided, the U-shaped sealing backing plate and the spring are convenient to replace and maintain due to the whole structure, the use effect of the U-shaped sealing backing plate is enhanced, and the service life of the whole structure is prolonged, but the following defects exist in use:

through a plurality of spliced poles and U-shaped sealing backing plate threaded connection, need one by one with spliced pole and U-shaped sealing backing plate separation when needs change, it is comparatively troublesome to dismantle, takes trouble hard, and the practicality is lower.

There is therefore a need for a replaceable sealing knife gate valve that addresses the above-described problems.

Disclosure of Invention

The utility model aims at: to the current threaded connection through a plurality of spliced poles and U-shaped sealing backing plate that exists, need one by one with spliced pole and U-shaped sealing backing plate separation when needs change, dismantle comparatively troublesome, it is difficult to take care of, the lower problem of practicality.

In order to achieve the above object, the present utility model provides the following technical solutions:

a replaceable sealing knife gate valve is provided to ameliorate the above problems.

The application is specifically such that:

the utility model provides a removable sealing knife gate valve, includes valve body, the framework of fixed connection in the valve body top, the link of fixed connection in the framework top, sliding connection in the valve plate in the framework and the mounting panel that laminates with the valve body bottom, the framework top is equipped with actuating mechanism, be provided with seal assembly in the valve body, be equipped with fixed subassembly on the mounting panel, fixed subassembly is located seal assembly bottom, actuating mechanism is located seal assembly's top;

the fixing assembly comprises a mounting groove which is formed in the mounting plate, a loop bar is fixedly connected to the bottom of the mounting groove, a first spring is fixedly connected to the bottom wall in the loop bar, a connecting rod is fixedly connected to the top of the first spring, symmetrically distributed connecting plates are fixedly connected to the connecting rods, clamping plates are rotationally connected between the connecting plates, a supporting block is fixedly connected to the outer wall of the connecting rod, and a second spring is fixedly connected between the bottom of one end, far away from the connecting plate, of the clamping plate and the supporting block;

the sealing assembly comprises a placing groove arranged on the valve body, a U-shaped sealing base plate is arranged in the placing groove, a connecting hole is formed in the bottom of the U-shaped sealing base plate, and a clamping groove communicated with the connecting hole is formed in the U-shaped sealing base plate.

As the preferred technical scheme of this application, actuating mechanism includes threaded connection in the link screw rod, the top fixedly connected with handle of screw rod.

As the preferred technical scheme of this application, first opening and second opening have been seted up respectively to the top and the bottom of valve body, the second opening is linked together with the standing groove.

As the preferred technical scheme of this application, the mounting panel both ends outer wall all is connected with the valve body through the bolt.

As the preferred technical scheme of this application, connecting rod, connecting plate all cooperate with connecting hole, draw-in groove, the screw rod bottom links to each other with the valve plate rotation, the draw-in groove is arranged in to the cardboard.

As a preferred technical solution of the present application, the valve plate is inserted into the second opening through the first opening.

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

in the scheme of the application:

through the seal assembly that sets up with fixed subassembly matched with, solved among the prior art through a plurality of spliced poles and U-shaped seal backing plate threaded connection, need separate spliced pole and U-shaped seal backing plate one by one when needs change, dismantle comparatively troublesome, it is hard to take trouble, the lower problem of practicality.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a replaceable sealing knife gate valve provided in the present application.

Fig. 2 is a schematic view of a part of a structure of a replaceable sealing knife gate valve provided in the present application.

Fig. 3 is a schematic structural view of a fixing assembly of a replaceable sealing knife gate valve provided by the application.

Fig. 4 is a schematic structural view of a fixing assembly of a replaceable sealing knife gate valve provided by the application.

Fig. 5 is a schematic structural view of a seal assembly of a replaceable seal knife gate valve provided in the present application.

The figures indicate:

1. a valve body; 2. a frame; 3. a valve plate; 4. a mounting plate; 5. a mounting groove; 6. a loop bar; 7. a first spring; 8. a connecting rod; 9. a connecting plate; 10. a clamping plate; 11. a support block; 12. a second spring; 13. a placement groove; 14. a U-shaped sealing backing plate; 15. a connection hole; 16. a clamping groove; 17. a screw; 18. a handle; 19. a first opening; 20. a second opening; 21. and a connecting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some 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.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1-5, the replaceable sealing knife gate valve provided by the embodiment comprises a valve body 1, a frame body 2 fixedly connected to the top of the valve body 1, a connecting frame 21 fixedly connected to the top of the frame body 2, a valve plate 3 slidingly connected in the frame body 2 and a mounting plate 4 attached to the bottom of the valve body 1, wherein a driving mechanism is arranged at the top of the frame body 2, a sealing assembly is arranged in the valve body 1, a fixing assembly is arranged on the mounting plate 4 and positioned at the bottom of the sealing assembly, and the driving mechanism is positioned above the sealing assembly;

the fixed subassembly is including seting up the mounting groove 5 on mounting panel 4, the bottom fixedly connected with loop bar 6 of mounting groove 5, fixedly connected with first spring 7 in the bottom fixedly connected with connecting rod 8 in loop bar 6, the top fixedly connected with connecting rod 8 of first spring 7, U type sealing backing plate 14 after receiving the extrusion drives connecting rod 8 in draw-in groove 16 and moves down, first spring 7 atress compresses, make U type sealing backing plate 14 closely laminate with valve plate 3, improve the holistic sealing strength of this device, fixedly connected with symmetric distribution's connecting plate 9 on the connecting rod 8, rotate between the connecting plate 9 and be connected with cardboard 10, connecting rod 8 outer wall fixedly connected with supporting shoe 11, the cardboard 10 is kept away from the one end bottom of connecting plate 9 and fixedly connected with second spring 12 between the supporting shoe 11, the one hand of staff is fixed to the position of mounting panel 4, another hand is upwards pulling U type sealing backing plate 14, drive through U type sealing backing plate 14 upward pulling force makes second spring 12 take place bending deformation, thereby drive cardboard 10 and take out from draw-in the draw-in groove 16, make U type sealing backing plate 14 separate from 4, more convenient and faster dismantlement time.

The sealing component comprises a placing groove 13 arranged on the valve body 1, a U-shaped sealing base plate 14 is arranged in the placing groove 13, the valve plate 3 can be in contact with the U-shaped sealing base plate 14 and can extrude the U-shaped sealing base plate 14 downwards when moving downwards to a certain extent, a connecting hole 15 is formed in the bottom of the U-shaped sealing base plate 14, a clamping groove 16 communicated with the connecting hole 15 is formed in the U-shaped sealing base plate 14, and the clamping plate 10 is arranged in the clamping groove 16.

As shown in fig. 1 and fig. 2, as a preferred embodiment, on the basis of the above manner, the driving mechanism further includes a screw 17 screwed in the connecting frame 21, a handle 18 is fixedly connected to the top of the screw 17, a worker drives the screw 17 to rotate by rotating the handle 18, and when the screw 17 rotates, the valve plate 3 is driven to move downwards, and the valve plate 3 cuts off and plugs the medium in the valve body 1 in the downward moving process.

As shown in fig. 1 and 2, in addition to the above-described embodiments, the top and bottom of the valve body 1 are provided with a first opening 19 and a second opening 20, respectively, and the second opening 20 communicates with the placement groove 13.

As shown in fig. 1, in the above-described embodiment, the outer walls of both ends of the mounting plate 4 are connected to the valve body 1 by bolts, and the mounting plate 4 and the U-shaped seal gasket 14 are removed from the valve body 1 by turning the bolts on the mounting plate 4.

As shown in fig. 1-5, as a preferred embodiment, on the basis of the above mode, the connecting rod 8 and the connecting plate 9 are matched with the connecting hole 15 and the clamping groove 16, the bottom of the screw 17 is rotatably connected with the valve plate 3, and the clamping plate 10 is arranged in the clamping groove 16.

As shown in fig. 1 and 2, in addition to the above, the valve plate 3 is inserted into the second opening 20 through the first opening 19 as a preferred embodiment.

Specifically, this removable sealing knife gate valve when using: the staff drives screw 17 through rotating handle 18 and rotates, the screw 17 rotates the time and drives valve plate 3 and move down, valve plate 3 cuts the shutoff to the medium in the valve body 1 in the in-process of moving down, can contact and carry out decurrent extrusion to U type sealing backing plate 14 when moving down to a certain extent simultaneously, the U type sealing backing plate 14 after the extrusion drives connecting rod 8 in draw-in groove 16 and moves down, first spring 7 atress compresses, make U type sealing backing plate 14 closely laminate with valve plate 3, improve the holistic seal strength of this device, when U type sealing backing plate 14 uses a period of time to need change, through the bolt on the rotation mounting panel 4 with mounting panel 4 take off mounting panel 4 from valve body 1, cardboard 10 is arranged in draw-in groove 16 this moment, one hand of staff makes second spring 12 buckle deformation through the drive of U type sealing backing plate 14 upward pulling force in addition, finally take place cardboard 10 and rotate from draw-in groove 16, make U type sealing backing plate 14 separate from 4, the time is more simple and more convenient and more practical, high efficiency is realized to the convenient and more high-efficient operation is convenient to change the mounting panel.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model relates to a replaceable sealing knife gate valve, which comprises a valve body (1), a frame body (2) fixedly connected to the top of the valve body (1), a connecting frame (21) fixedly connected to the top of the frame body (2), a valve plate (3) slidingly connected in the frame body (2) and a mounting plate (4) attached to the bottom of the valve body (1), the valve is characterized in that a driving mechanism is arranged at the top of the frame body (2), a sealing component is arranged in the valve body (1), a fixing component is arranged on the mounting plate (4), the fixing component is positioned at the bottom of the sealing component, and the driving mechanism is positioned above the sealing component;

the fixing assembly comprises a mounting groove (5) formed in a mounting plate (4), a loop bar (6) is fixedly connected to the bottom of the mounting groove (5), a first spring (7) is fixedly connected to the inner bottom of the loop bar (6), a connecting rod (8) is fixedly connected to the top of the first spring (7), symmetrically distributed connecting plates (9) are fixedly connected to the connecting rod (8), clamping plates (10) are rotationally connected between the connecting plates (9), supporting blocks (11) are fixedly connected to the outer walls of the connecting rods (8), and a second spring (12) is fixedly connected between the bottom of one end of the clamping plates (10) away from the connecting plates (9) and the supporting blocks (11);

the sealing assembly comprises a placing groove (13) which is formed in the valve body (1), a U-shaped sealing base plate (14) is arranged in the placing groove (13), a connecting hole (15) is formed in the bottom of the U-shaped sealing base plate (14), and a clamping groove (16) which is communicated with the connecting hole (15) is formed in the U-shaped sealing base plate (14).

2. A replaceable sealing knife gate valve according to claim 1, characterized in that the driving mechanism comprises a screw (17) screwed into a connecting frame (21), the top of the screw (17) being fixedly connected with a handle (18).

3. A replaceable sealing knife gate valve according to claim 2, characterized in that the top and bottom of the valve body (1) are provided with a first opening (19) and a second opening (20), respectively, the second opening (20) being in communication with the placement groove (13).

4. A replaceable sealing knife gate valve according to claim 3, characterized in that the outer walls of the two ends of the mounting plate (4) are connected with the valve body (1) by bolts.

5. The replaceable sealing knife gate valve according to claim 4, wherein the connecting rod (8) and the connecting plate (9) are matched with the connecting hole (15) and the clamping groove (16), the bottom of the screw (17) is rotationally connected with the valve plate (3), and the clamping plate (10) is arranged in the clamping groove (16).

6. A replaceable sealing knife gate valve according to claim 5, characterized in that the valve plate (3) is inserted through the first opening (19) in the second opening (20).