CN210484654U

CN210484654U - Threaded connection gate valve copper valve body

Info

Publication number: CN210484654U
Application number: CN201921307117.9U
Authority: CN
Inventors: 鲜松伯; 金晓宇
Original assignee: Qinghai Kangxun Traffic Engineering Co Ltd
Current assignee: Qinghai Kangxun Traffic Engineering Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-08
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a threaded connection gate valve copper valve body, comprises a valve seat, the last lateral wall fixed mounting of disk seat has the valve box, the last lateral wall of valve box is connected with the valve gap, the cavity has been seted up to the inside of valve box, the first thread groove of vertical setting has all been seted up to the inside of valve gap and the last lateral wall of valve box, first thread groove female connection has the threaded rod, the upper end outer wall fixedly connected with hand wheel of threaded rod, the inside sliding connection of valve box has the diaphragm, the bearing is installed to the last lateral wall of diaphragm, the inside of establishing at the bearing is inserted to the lower extreme of threaded rod, the lower lateral wall fixed mounting of diaphragm has main valve plate, the lower extreme middle part of main valve plate is rotated and is connected with the dwa. The utility model discloses a set up the main valve board and from the valve plate, realize better opening and being closed to the valve body, contradict through the inside wall that the dwang drove the closing plate disk seat, effectively prevent liquid or gas leakage.

Description

Threaded connection gate valve copper valve body

Technical Field

The utility model relates to a valve body technical field especially relates to a threaded connection floodgate valve copper valve body.

Background

The gate valve is a shutter plate, the movement direction of the shutter plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and can not be adjusted and throttled, the gate valve is connected by screw threads, and a valve body is provided with internal threads or external threads and is connected with a pipeline by screw threads and is usually used for small valves.

General threaded connection gate valve sets up a valve plate for realize opening and close to the valve body, and single valve plate effect is relatively poor when carrying out the valve body and open and close, and general threaded connection gate valve takes place the valve body easily after long-time use and leaks, influences the normal use of valve body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the copper valve body of the threaded connection gate valve that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a threaded connection gate valve copper valve body, includes the disk seat, the last lateral wall fixed mounting of disk seat has the valve case, the last lateral wall of valve case is connected with the valve gap, the cavity has been seted up to the inside of valve case, the first thread groove of vertical setting is all seted up to the inside of valve gap and the last lateral wall of valve case, first thread groove female connection has the threaded rod, the upper end outer wall fixedly connected with hand wheel of threaded rod, the inside sliding connection of valve case has the diaphragm, the bearing is installed to the last lateral wall of diaphragm, the inside of establishing at the bearing is inserted to the lower extreme of threaded rod, the lower lateral wall fixed mounting of diaphragm has main valve plate, the lower extreme middle part of main valve plate rotates and is connected with the dwang, every the one end that main valve plate was kept away from to the dwang rotates and is connected with.

Preferably, the inner top wall of the valve seat is provided with a convex groove, and the inner bottom wall of the valve seat is provided with a first groove.

Preferably, the inner bottom wall of the first groove is fixedly provided with a bump.

Preferably, the lower side wall of the active valve is provided with a through groove matched with the lug.

Preferably, the two side walls of the valve box and the valve cover are fixedly provided with fixing blocks, each fixing block penetrates through a second thread groove, and two second thread grooves on the same side are connected with bolts in an internal thread mode.

Preferably, the main valve plate and the secondary valve plate are both made of brass.

Compared with the prior art, this threaded connection floodgate valve copper valve body's advantage lies in:

1. the valve body is opened and closed by driving the main valve plate and the slave valve plate to better close the valve body;

2. the rotating rod and the sealing plate are arranged, the main valve plate moves to drive the rotating rod to rotate so as to drive the slave valve plate and the sealing plate to move, the sealing plate is driven by the rotating rod to abut against the inner side wall of the valve seat, and when the valve body is closed, the sealing plate effectively prevents liquid or gas from leaking;

3. the main valve plate and the slave valve plate are made of brass, so that the corrosion of the main valve plate and the slave valve plate is reduced, and the service life of a product is prolonged;

to sum up, the utility model discloses a set up the main valve board and from the valve plate, realize better opening and the closure to the valve body, the inside wall that drives the closing plate disk seat through the dwang is contradicted, effectively prevents liquid or gas leakage.

Drawings

Fig. 1 is a schematic structural view of a copper valve body of a gate valve connected by screw threads according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the valve comprises a valve seat 1, a valve box 2, a valve cover 3, a cavity 4, a first thread groove 5, a threaded rod 6, a transverse plate 7, a bearing 8, a main valve plate 9, a rotating rod 10, a slave valve plate 11, a sealing plate 12, a convex groove 13, a first groove 14, a convex block 15, a through groove 16, a fixed block 17, a bolt 18 and a hand wheel 19.

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.

Referring to fig. 1-2, a copper valve body of a threaded connection gate valve comprises a valve seat 1, a valve box 2 is fixedly installed on the upper side wall of the valve seat 1, a valve cover 3 is connected on the upper side wall of the valve box 2, further, fixing blocks 17 are fixedly installed on the two side walls of the valve box 2 and the valve cover 3, each fixing block 17 is provided with a second thread groove in a penetrating mode, two second thread grooves on the same side are connected with bolts 18 in an internal thread mode, the bolts 18 rotate and move up and down in the second thread grooves, when the bolt 18 is turned upwards in the second thread groove, the two fixing blocks 17 on the same side are separated, at which time the valve housing 2 and the valve cover 3 are separated, when the bolt 18 rotates and moves downwards in the second thread groove, the two fixing blocks 17 positioned on the same side are folded, at the same time, the valve box 2 and the valve cover 3 are folded, the separation and the folding of the valve box 2 and the valve cover 3 are realized through the matching of the bolt 18 and the second thread groove.

The valve box 2 is internally provided with a cavity 4, the valve cover 3 and the upper side wall of the valve box 2 are both provided with a first thread groove 5 which is vertically arranged, the first thread groove 5 is internally connected with a threaded rod 6 in a threaded manner, the threaded rod 6 rotates in the first thread groove 5 under the action of external force, the threaded rod 6 is matched with the first thread groove 5 to move up and down, the upper outer wall of the threaded rod 6 is fixedly connected with a hand wheel 19, the hand wheel 19 is rotated to drive the threaded rod 6 to rotate, the threaded rod 6 rotates and moves up and down in the first thread groove 5, further, the hand wheel 19 rotates clockwise to drive the hand wheel 19 to rotate clockwise, the threaded rod 6 rotates and moves down in the first thread groove 5 at the moment, the hand wheel 19 rotates counterclockwise to drive the threaded rod 6 to rotate counterclockwise, the threaded rod 6 rotates and moves up in the first thread groove 5 at the moment, further, the spout has been seted up to two inside walls of valve box 2, slidable mounting has the slider in every spout, the both sides fixed connection of one side that two sliders are relative and diaphragm 7, bearing 8 is installed to the last lateral wall of diaphragm 7, the inside of establishing at bearing 8 is inserted to the lower extreme of threaded rod 6, and is concrete, bearing 8's outer lane fixed mounting is at the last lateral wall of diaphragm 7, the lower extreme of threaded rod 6 is inserted and is established the inner circle of bearing 8 and with inner circle fixed connection, hand wheel 19 drives threaded rod 6 and rotates at bearing 8, threaded rod 6 reciprocates and drives diaphragm 7 and reciprocate in valve box 2.

The lower side wall of the transverse plate 7 is fixedly connected with a main valve plate 9, the lower middle part of the main valve plate 9 is rotatably connected with a rotating rod 10, one end of each rotating rod 10, which is far away from the main valve plate 9, is rotatably connected with a slave valve plate 11, specifically, two sides of the main valve plate 9 and one side, which is opposite to the slave valve plate 11, are respectively provided with a second groove, each second groove is rotatably connected with a connecting rod, each connecting rod is rotatably connected with one end of the rotating rod 10, the main valve plate 9 and the slave valve plate 11 are both made of brass, the main valve plate 9 and the slave valve plate 11 made of brass have corrosion resistance, when corrosive gas or liquid is introduced into the valve seat 1, the main valve plate 9 and the slave valve plate 11 are reduced in corrosion, the service life of the product is prolonged, one side, which is far away from the rotating rod 10, of each slave valve plate 11 is fixedly, a lug 15 is fixedly installed on the inner bottom wall of the first groove 14, a through groove 16 matched with the lug 15 is formed in the lower side wall of the driving valve 9, a hand wheel 19 is rotated clockwise to drive the threaded rod 6 to rotate clockwise and move downwards, the threaded rod 6 moves downwards to drive the transverse plate 7 to move downwards, the transverse plate 7 moves downwards to drive the main valve plate 9 and the valve plate 11 to move downwards, when the valve plate 11 moves to the position that the lower side wall is contacted with the inner bottom wall of the valve seat 1, the lower side wall of the main valve plate 9 is suspended, the hand wheel 19 is rotated clockwise continuously to drive the main valve plate 9 to move downwards continuously, the main valve plate 9 moves downwards further to drive the two rotating rods 10 to rotate in opposite directions, the rotating rods 10 rotate to push the two slave valve plates 11 to move in opposite directions, when the lug 15 completely enters the through groove 16, the main valve plate 11 stops moving downwards, and at the time, one side, the closing of the valve body is completed, when the valve body is closed, the sealing plate 12 effectively prevents gas or liquid from leaking, the hand wheel 19 is rotated anticlockwise to drive the threaded rod 6 to rotate anticlockwise and move upwards, the threaded rod 6 moves upwards to drive the transverse plate 7 to move upwards, the transverse plate 7 moves upwards to drive the main valve plate 9 and the valve plate 11, when the main valve plate 9 moves upwards, the convex block 15 is separated from the through groove 16, the main valve plate 9 moves upwards to drive the two rotating rods 10 to rotate oppositely, the rotating rods 10 rotate to drive the two slave valve plates 11 to move oppositely, the hand wheel 19 continues to rotate anticlockwise to drive the main valve plate 9 and the valve plate 11 to move upwards together, the opening of the valve body is completed, and at the moment, liquid or gas circulates in.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the hand wheel 19 is rotated clockwise to drive the threaded rod 6 to rotate clockwise and move downwards, the threaded rod 6 moves downwards to drive the main valve plate 9 and the valve plate 11 to move downwards, the main valve plate 9 further moves downwards to drive the two rotating rods 10 to rotate towards opposite directions, the rotating rods 10 rotate to push the two slave valve plates 11 to move towards opposite directions, one side, away from the slave valve plate 11, of the sealing plate 12 connected with the slave valve plate 11 is abutted against the side walls of the convex groove 13 and the first groove 14 to complete closing of the valve body, the hand wheel 19 is rotated counterclockwise to drive the threaded rod 6 to rotate counterclockwise and move upwards, the threaded rod 6 moves upwards to drive the main valve plate 9 and the slave valve plate 11 to move upwards, the main valve plate 9 moves upwards to drive the two rotating rods 10 to rotate oppositely, the rotating rods 10 rotate to drive the two slave valve plates 11 to move towards each other, the hand wheel 19.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The copper valve body of the threaded connection gate valve comprises a valve seat (1) and is characterized in that a valve box (2) is fixedly mounted on the upper side wall of the valve seat (1), a valve cover (3) is connected to the upper side wall of the valve box (2), a cavity (4) is formed in the valve box (2), vertically arranged first thread grooves (5) are formed in the valve cover (3) and the upper side wall of the valve box (2), a threaded rod (6) is connected to the first thread grooves (5) in an internal thread mode, a hand wheel (19) is fixedly connected to the outer wall of the upper end of the threaded rod (6), a transverse plate (7) is connected to the valve box (2) in a sliding mode, a bearing (8) is mounted on the upper side wall of the transverse plate (7), the lower end of the threaded rod (6) is inserted into the bearing (8), and a main valve plate (9) is fixedly connected to the lower side wall, the lower extreme middle part of main valve plate (9) rotates and is connected with dwang (10), every the one end that main valve plate (9) were kept away from in dwang (10) rotates and is connected with from valve plate (11), every one side fixedly connected with closing plate (12) of dwang (10) are kept away from valve plate (11).

2. The copper valve body of the threaded connection gate valve according to claim 1, characterized in that the inner top wall of the valve seat (1) is provided with a convex groove (13), and the inner bottom wall of the valve seat (1) is provided with a first groove (14).

3. A copper valve body of a screw-threaded gate valve according to claim 2, characterized in that the inner bottom wall of the first groove (14) is fixedly provided with a lug (15).

4. A copper valve body of a threaded connection gate valve according to claim 1 or 3, characterized in that the lower side wall of the main valve plate (9) is provided with a through groove (16) matching with the projection (15).

5. The copper valve body of the threaded connection gate valve according to claim 1, wherein two side walls of the valve box (2) and the valve cover (3) are fixedly provided with fixing blocks (17), each fixing block (17) is provided with a second thread groove in a penetrating manner, and two second thread grooves on the same side are connected with bolts (18) in a threaded manner.

6. A threaded connection gate valve copper valve body according to claim 1, characterized in that the main valve plate (9) and the slave valve plate (11) are made of brass.