CN220792100U

CN220792100U - Open type elastic knife gate valve

Info

Publication number: CN220792100U
Application number: CN202321858362.5U
Authority: CN
Inventors: 李宏伟
Original assignee: Tianjin Selected Pre Stressing Anchorage Development Co ltd
Current assignee: Tianjin Selected Pre Stressing Anchorage Development Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-04-16
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses an open type elastic knife gate valve which comprises a base, a pipe joint, a gate valve box, a top plate, a fastening screw, a gate valve structure and a descaling mechanism. The descaling mechanism is arranged on the vertical inner wall of the middle part of the pipe joint, the descaling mechanism is designed on the open elastic knife gate valve, the descaling roller enables the device to effectively reduce the corrosion of the valve and the adhesion influence of media on the valve, the durability of the device is improved, the valve reduces the substance influence on the media, and meanwhile, the open elastic knife gate valve is replaceable, can be replaced and treated, is convenient and fast to maintain, and meanwhile, the service life of the device is greatly prolonged.

Description

Open type elastic knife gate valve

Technical Field

The utility model relates to the field of valves, and belongs to an open type elastic knife gate valve.

Background

The knife gate valve is also called knife gate valve, slurry valve and slurry valve, its opening and closing piece is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate plate of wedge knife gate valve can be made into one whole body, called rigid gate plate; the elastic flashboard can also be made into a flashboard capable of generating micro deformation so as to improve manufacturability and make up deviation of the angle of the sealing surface in the processing process, and the flashboard is called an elastic flashboard. The knife gate valve has smaller installation space, low working pressure, uneasy accumulation of sundries and lower price.

The existing knife gate valve is often rusted or accumulated due to contact of materials and media, so that attachments on the gate valve are accumulated, use and tightness are affected, and meanwhile, the valve cannot be replaced and treated, and service life of the device is affected.

Disclosure of Invention

The utility model aims to provide an open elastic knife gate valve, which solves the problems that the existing knife gate valve provided in the background art is often corroded or accumulated due to contact of materials and media, so that attachments on the gate valve are accumulated to affect the use and the tightness, and meanwhile, the valve is not replaceable and cannot be replaced and treated to affect the service life of the device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an open elasticity knife gate valve, includes base, pipe joint, gate valve case, roof, fastening screw, gate valve structure and scale removal mechanism, the pipe joint is installed to the top of seat, the gate valve case is installed to the top of pipe joint, the roof is installed to gate valve case top, the roof top is connected with the fastening screw, roof mid-mounting has the gate valve structure. A descaling mechanism is arranged on the vertical inner wall of the middle part of the pipe joint;

preferably, the inside fretwork in the direction of motion of gate valve structure of gate valve case, pipe joint middle part top opening, sealing gasket is installed to the roof bottom, the screw hole is installed around the roof, fastening screw and roof threaded connection.

Preferably, the gate valve structure comprises a rotary handle, rotary beads, a threaded column, fixing screws and an elastic knife switch, wherein the rotary handle is arranged above a top plate, the rotary beads are arranged below the rotary handle, the threaded column is arranged in the center of the rotary handle, the elastic knife switch is arranged below the threaded column, and the fixing screws are arranged on the left side and the right side of the threaded column.

Preferably, the middle part of the rotary handle is provided with a threaded inner wall, the rotary handle is in threaded connection with the threaded column, and a rotating bead is arranged at the joint of the bottom of the rotary handle and the top plate.

Preferably, the descaling mechanism comprises a spring table, a rotating shaft, descaling rollers and springs, wherein the spring table is arranged on the inner side of the pipe joint, the springs are arranged on the inner side of the spring table, the rotating shaft is arranged at the other end of each spring, and the descaling rollers are arranged on the rotating shaft.

Preferably, the outer wall of the descaling roller is provided with descaling teeth.

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

1. the open type elastic knife gate valve is provided with a descaling mechanism, and the descaling roller can effectively reduce the rust of the valve and the adhesion influence of a medium on the valve, so that the durability of the device is improved, and the influence of the valve on the medium is reduced.

2. The open type elastic knife gate valve can be replaced and treated, so that the maintenance of the device is convenient and fast, and the service life of the device is greatly prolonged.

Drawings

FIG. 1 is a schematic front view of the present utility model;

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

FIG. 3 is a schematic side cross-sectional view of the present utility model;

FIG. 4 is a schematic view of a scale removal mechanism according to the present utility model;

FIG. 5 is a schematic view of a descaling roller according to the present utility model;

FIG. 6 is a schematic view of a flexible knife switch according to the present utility model;

FIG. 7 is a schematic view of a portion of a gate valve of the present utility model;

FIG. 8 is a partial schematic view of a scale removal mechanism of the present utility model;

in the figure: 1. a base; 2. a tube interface; 3. a gate valve box; 4. a top plate; 5. fastening a screw; 6. a gate valve structure; 601. rotating the handle; 602. rotating the beads; 603. a threaded column; 604. a set screw; 605. an elastic knife switch; 7. a scale removal mechanism; 701. a spring table; 702. a rotating shaft; 703. descaling roller; 704. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-8, the present utility model provides a technical solution: the utility model provides an open elasticity knife gate valve, includes base 1, pipe joint 2, gate valve box 3, roof 4, fastening screw 5, gate valve structure 6 and scale removal mechanism 7, and pipe joint 2 is installed to the top of base 1, and gate valve box 3 is installed to the top of pipe joint 2, and roof 4 is installed to gate valve box 3 top, and roof 4 top is connected with fastening screw 5, and roof 4 mid-mounting has gate valve structure 6. The scale removal mechanism 7 is installed to the vertical inner wall in pipe joint 2 middle part, and the inside fretwork in the direction of motion of gate valve structure 6 of gate valve case 3, and sealing gasket is installed to pipe joint 2 middle part top opening, roof 4 bottom, and the screw hole is installed around roof 4, and fastening screw 5 and roof 4 threaded connection.

Gate valve structure 6 includes rotatory handle 601, swivel ball 602, screw post 603, fixed screw 604 and elasticity switch 605, rotatory handle 601 sets up in roof 4 top, swivel ball 602 is installed to rotatory handle 601 below, rotatory handle 601 central authorities install screw post 603, elasticity switch 605 is installed to screw post 603 below, fixed screw 604 is installed to screw post 603 left and right sides, there is the screw inner wall at rotatory handle 601 middle part, rotatory handle 601 and screw post 603 threaded connection, swivel ball 602 is installed to rotatory handle 601 bottom and roof 4 junction, this kind of design makes open elasticity knife gate valve replaceable, can change and handle, it is convenient to make the maintenance of device convenient, make the life of device improve simultaneously greatly.

The descaling mechanism 7 comprises a spring table 701, a rotating shaft 702, descaling rollers 703 and springs 704, wherein the spring table 701 is arranged on the inner side of the pipe joint 2, the springs 704 are arranged on the inner side of the spring table 701, the rotating shaft 702 is arranged at the other end of the springs 704, the descaling rollers 703 are arranged on the rotating shaft 702, descaling teeth are arranged on the outer walls of the descaling rollers 703, and due to the arrangement of the descaling rollers, the rust of a valve and the adhesion influence of a medium on the valve can be effectively reduced, so that the durability of the device is improved, and the influence of the valve on the substance of the medium is reduced.

Working principle: after the pipe joint 2 is connected with an external pipeline, the base 1 is fixed, after the connection is finished, the handle 601 is rotated clockwise of the gate valve structure 6, the handle 601 rotates along with the rotating beads 602, the threaded column 603 moves upwards, the elastic knife switch 605 is driven to move upwards into the gate valve box 3, after the threaded column 603 rotates to the bottom, the pipeline is smooth, the handle 601 is rotated anticlockwise, the elastic knife switch 605 descends, the pipeline is closed, in the process of moving the elastic knife switch 605 up and down, the elastic knife switch 605 contacts the descaling roller 703, the spring 704 on the spring platform 701 is compressed, the descaling roller 703 rotates around the rotating shaft 702, attachments and rust on the elastic knife switch 605 are removed, if the elastic knife switch 605 reduces the effect of the switch valve, when the switch valve needs to be replaced, the fastening screw 5 is unscrewed to take the structure 6 and the top plate 4, the fixing screws 604 on two sides of the threaded column 603 are unscrewed to replace the elastic knife switch 605, and then the fixing screws 604 and the fastening screw 5 are screwed down, and replacement is completed.

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

Claims

1. An open elastic knife gate valve, which is characterized in that: the automatic descaling device comprises a base (1), a pipe joint (2), a gate valve box (3), a top plate (4), fastening screws (5), a gate valve structure (6) and a descaling mechanism (7), wherein the pipe joint (2) is arranged above the base (1), the gate valve box (3) is arranged above the pipe joint (2), the top plate (4) is arranged above the gate valve box (3), the fastening screws (5) are connected above the top plate (4), the gate valve structure (6) is arranged in the middle of the top plate (4), and the descaling mechanism (7) is arranged on the vertical inner wall of the middle of the pipe joint (2);

the inside fretwork in the direction of motion of gate valve structure (6) of gate valve case (3), pipe joint (2) middle part top opening, sealing gasket is installed to roof (4) bottom, screw hole is installed around roof (4), fastening screw (5) and roof (4) threaded connection.

2. An open-type elastic knife gate valve according to claim 1, characterized in that: gate valve structure (6) are including rotatory handle (601), swivel ball (602), screw thread post (603), fixed screw (604) and elasticity switch (605), rotatory handle (601) set up in roof (4) top, swivel ball (602) are installed to rotatory handle (601) below, screw thread post (603) are installed at rotatory handle (601) central authorities, elasticity switch (605) are installed to screw thread post (603) below, fixed screw (604) are installed to screw thread post (603) left and right sides.

3. An open-type elastic knife gate valve according to claim 2, characterized in that: the middle part of the rotary handle (601) is provided with a threaded inner wall, the rotary handle (601) is in threaded connection with a threaded column (603), and a rotating bead (602) is arranged at the joint of the bottom of the rotary handle (601) and the top plate (4).

4. An open-type elastic knife gate valve according to claim 1, characterized in that: the descaling mechanism (7) comprises a spring table (701), a rotating shaft (702), a descaling roller (703) and a spring (704), wherein the spring table (701) is arranged on the inner side of the pipe joint (2), the spring (704) is arranged on the inner side of the spring table (701), the rotating shaft (702) is arranged at the other end of the spring (704), and the descaling roller (703) is arranged on the rotating shaft (702).

5. An open-type elastic knife gate valve according to claim 4, wherein: the outer wall of the descaling roller (703) is provided with descaling teeth.