CN216643126U

CN216643126U - Casting gate valve that facilitates use

Info

Publication number: CN216643126U
Application number: CN202220162785.2U
Authority: CN
Inventors: 刘德鑫; 卢泾杉
Original assignee: Heilongjiang Muling Power Station Valve Co ltd
Current assignee: Heilongjiang Muling Power Station Valve Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-31
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of gate valves and discloses a casting gate valve convenient to use; the casting gate valve conveniently used comprises a valve body and a control switch mechanism, wherein the control switch mechanism is positioned in an inner cavity of the valve body; the control switch mechanism comprises a valve plate, a connecting column is arranged at the top of the valve plate, a toothed plate is arranged on the right side of the connecting column, a gear is meshed on the right side of the toothed plate, a screw rod is meshed at the bottom of the gear, and a connecting handle is arranged on the right side of the screw rod.

Description

Casting gate valve that facilitates use

Technical Field

The utility model belongs to the technical field of gate valves, and particularly relates to a casting gate valve convenient to use.

Background

The gate valve is provided with an opening and closing member flashboard, the movement direction of the flashboard is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

The existing casting gate is generally lifted by a screw rod when in use, and the screw rod is easy to slip under the condition of long-term use, so that the casting gate valve cannot be opened and closed; therefore, improvements are needed to address the current situation.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the casting gate valve which is convenient to use, and effectively solves the problem that the casting gate valve cannot be opened and closed due to the fact that the conventional casting gate valve is generally lifted by the screw rod when in use and the screw rod is easy to slip under the condition of long-term use.

In order to achieve the purpose, the utility model provides the following technical scheme: a casting gate valve convenient to use comprises a valve body and a control switch mechanism, wherein the control switch mechanism is positioned in an inner cavity of the valve body;

the control switch mechanism comprises a valve plate, a connecting column is arranged at the top of the valve plate, a toothed plate is arranged on the right side of the connecting column, a gear is meshed on the right side of the toothed plate, a screw rod is meshed at the bottom of the gear, and a connecting handle is arranged on the right side of the screw rod.

Preferably, the right side of the screw rod is provided with a cross-shaped groove, the left end of the connecting handle is provided with a cross-shaped connecting block, and the cross-shaped connecting block is matched with the cross-shaped groove.

Preferably, the valve body top is provided with the valve gap, the valve gap top is provided with the sleeve, the sleeve right side is provided with the control box.

Preferably, a matching groove is formed in the top of the valve body, the valve plate is located in an inner cavity of the matching groove, a penetrating movable groove is formed in the top of the sleeve, and the connecting column is located in the inner cavity of the movable groove.

Preferably, the sleeve and the operation box are communicated, and the gear and the screw rod are connected with the inner cavity of the operation box through rotating shafts.

Preferably, the right side of the operation box is provided with a limiting groove, the outer wall of the left end of the connecting handle is provided with a limiting block, and the limiting block is matched with the limiting groove.

Preferably, the left side and the right side of the valve body are provided with flange faces, mounting grooves are formed in the surfaces of the two flange faces, and sealing rings are arranged in the inner cavities of the mounting grooves.

Compared with the prior art, the utility model has the beneficial effects that: 1. according to the gate valve, when the gate valve needs to be sealed, the connecting handle drives the screw rod to rotate, so that the connected gear is driven to rotate, the gear rotates to drive the toothed plate and the connecting column to move downwards until the valve plate at the bottom of the connecting column contacts the bottom of the valve body, at the moment, the connecting handle slides leftwards until the limiting block at the connecting handle is used for limiting the inner cavity of the groove, the gate valve is sealed, if the valve needs to be opened, the connecting handle is moved rightwards and then reversely rotated to connect the handle, and therefore the problem that the cast gate valve cannot be opened and closed due to the fact that a wire sliding phenomenon is generated in the use process of the gate valve can be solved;

2. according to the utility model, the mounting groove is formed in the flange surface, and the sealing ring can be mounted in the mounting groove, so that the sealing property of the matching surface is increased, and liquid leakage is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic structural diagram of the control switch mechanism of the present invention;

FIG. 3 is a top view of the valve body of the present invention;

in the figure: 100. a valve body; 101. a flange face; 102. a seal ring; 103. a valve cover; 104. a sleeve; 105. an operation box; 106. a movable groove; 107. a limiting groove; 108. a mating groove; 109. mounting grooves; 200. a control switch mechanism; 201. a valve plate; 202. connecting columns; 203. a toothed plate; 204. a gear; 205. a screw; 206. a connecting handle; 207. a cross connecting block; 208. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; 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, a cast gate valve convenient to use includes a valve body 100 and a control switch mechanism 200.

Referring to fig. 1, the control switch mechanism 200 is located in the inner cavity of the valve body 100.

Referring to fig. 1, 2 and 3, the control switch mechanism 200 includes a valve plate 201, a connection column 202 is fixedly connected to the top of the valve plate 201, a toothed plate 203 is fixedly connected to the right side of the connection column 202, a gear 204 is engaged to the right side of the toothed plate 203, a screw 205 is engaged to the bottom of the gear 204, a connection handle 206 is slidably connected to the right side of the screw 205, the screw 205 can be driven to rotate by rotating the connection handle 206, so as to drive the gear 204 engaged therewith to rotate, and when the gear 204 rotates, the toothed plate 203 and the connection column 202 engaged therewith are driven to move up and down, so as to drive the valve plate 201 to move up and down, thereby completing the sealing work; the right side of the screw rod 205 is provided with a cross-shaped groove, the left end of the connecting handle 206 is fixedly connected with a cross-shaped connecting block 207, the cross-shaped connecting block 207 is matched with the cross-shaped groove, and the cross-shaped connecting block is slidably connected to the inner cavity of the cross-shaped groove, so that the length of the left end of the connecting handle 206 can be controlled through the design, and the limiting matching is facilitated; the top of the valve body 100 is provided with a valve cover 103, the top of the valve cover 103 is fixedly connected with a sleeve 104, and the right side of the sleeve 104 is fixedly connected with an operation box 105; the top of the valve body 100 is provided with a matching groove 108, the valve plate 201 is positioned in an inner cavity of the matching groove 108, the top of the sleeve 104 is provided with a penetrating movable groove 106, the connecting column 202 is positioned in an inner cavity of the movable groove 106, and the sleeve 104 and the operating box 105 are designed to facilitate installation of the connecting column 20, the gear 204, the screw 205 and the connecting handle 206; the joint of the sleeve 104 and the operation box 105 is communicated, the gear 204 and the screw 205 are both connected to the inner cavity of the operation box 105 through a rotating shaft, the joint is communicated, and the interference of the gear 204 during rotation can be avoided, so that the use is influenced; spacing groove 107 has been seted up on the right side of operation box 105, the left end outer wall fixedly connected with stopper 208 of connecting handle 206, stopper 208 and spacing groove 107 phase-match, and the accessible moves "cross connecting block 207 to the complex left side in" cross groove to change stopper 208's position, until stopper 208 gets into spacing groove 107, carry out spacing fixedly to the rotation of whole screw rod 205 through the cooperation of spacing groove 107 and stopper 208.

Referring to fig. 1 and 3, flange surfaces 101 are arranged on the left side and the right side of the valve body 100, mounting grooves 109 are formed in the surfaces of the two flange surfaces 101, and sealing rings 102 are arranged in the inner cavities of the mounting grooves 109; the flange surface 101 is fitted and mounted, and the sealing ring 102 is provided in the mounting groove 109 to increase the sealing property of the fitting surface, so that the sealing ring 102 forms a secondary seal.

The working principle is as follows: during the use, when the needs carry out the sealed of gate valve, then drive screw rod 205 through connecting handle 206 and rotate, thereby drive the gear 204 of connection and rotate, gear 204 rotates then drives pinion rack 203 and spliced pole 20 and moves down, valve plate 201 until spliced pole 20 bottom contacts the bottom of valve body 100, slide connecting handle 206 left this moment and carry out the inner chamber of spacing groove 107 until the stopper 208 of connecting handle 206 department, accomplish the sealed to the gate valve, if need open the valve, then move connecting handle 206 right and connect handle 206 can in the reversal, this gate valve, can avoid producing the smooth silk phenomenon when using, thereby cause the problem that the casting gate valve can't open and close, and set up mounting groove 109 at flange face 101, can install sealing washer 102 in mounting groove 109, with this leakproofness that increases the fitting surface, avoid liquid to reveal.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A casting gate valve that facilitates use, includes valve body (100) and control switch mechanism (200), its characterized in that: the control switch mechanism (200) is positioned in an inner cavity of the valve body (100);

the control switch mechanism (200) comprises a valve plate (201), a connecting column (202) is arranged at the top of the valve plate (201), a toothed plate (203) is arranged on the right side of the connecting column (202), a gear (204) is meshed on the right side of the toothed plate (203), a screw rod (205) is meshed on the bottom of the gear (204), and a connecting handle (206) is arranged on the right side of the screw rod (205).

2. The cast gate valve of claim 1, in convenient use, wherein: the right side of the screw rod (205) is provided with a cross-shaped groove, the left end of the connecting handle (206) is provided with a cross-shaped connecting block (207), and the cross-shaped connecting block (207) is matched with the cross-shaped groove.

3. The cast gate valve of claim 1, in convenient use, wherein: valve body (100) top is provided with valve gap (103), valve gap (103) top is provided with sleeve (104), sleeve (104) right side is provided with control box (105).

4. A cast gate valve for convenient use according to claim 3, wherein: the valve body (100) top has been seted up and has been joined in marriage groove (108), valve plate (201) are located the inner chamber of joining in marriage groove (108), movable groove (106) that run through are seted up at sleeve (104) top, spliced pole (202) are located the inner chamber of movable groove (106).

5. A cast gate valve for convenient use according to claim 3, wherein: the sleeve (104) and the joint of the operation box (105) are communicated, and the gear (204) and the screw (205) are connected to the inner cavity of the operation box (105) through rotating shafts.

6. A cast gate valve for convenient use according to claim 3, wherein: the right side of the operating box (105) is provided with a limiting groove (107), the outer wall of the left end of the connecting handle (206) is provided with a limiting block (208), and the limiting block (208) is matched with the limiting groove (107).

7. The cast gate valve of claim 1, in convenient use, wherein: the left side and the right side of the valve body (100) are provided with flange faces (101), mounting grooves (109) are formed in the surfaces of the two flange faces (101), and sealing rings (102) are arranged in the inner cavities of the mounting grooves (109).