CN213711931U

CN213711931U - Durable gate valve

Info

Publication number: CN213711931U
Application number: CN202022830902.1U
Authority: CN
Inventors: 陈旭
Original assignee: Sichuan Xuxin Valve Manufacturing Co ltd
Current assignee: Sichuan Xuxin Valve Manufacturing Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-16
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a durable gate valve, which comprises an adjusting mechanism and a valve body, wherein a valve top communicated with the interior of the valve body is fixedly welded at the middle part of the top end of the valve body, the top end of the valve top is fixedly connected with a top plate, and the top plate is detachably connected with the adjusting mechanism; adjustment mechanism includes the hand wheel, accepts post, valve rod, valve gap, valve plate, the department inlays between two parties and installs valve-stem nut on the top of accepting the post, valve-stem nut cup joints with the valve rod screw thread, the one end of valve rod is run through the axle center fixed connection of valve-stem nut and hand wheel, the one end that the hand wheel was kept away from to the valve rod is rotated with the valve plate and is connected, the valve plate is kept away from the relative both sides of valve rod one end and is fixedly connected with fixed plate respectively, two the bottom of fixed plate is fixedly connected with guide bar respectively, the bottom of valve body is located fixedly connected with and the guide bar. This durability gate valve, rational in infrastructure, and effectively improved the problem that exists among the prior art, be favorable to using widely.

Description

Durable gate valve

Technical Field

The utility model belongs to the technical field of the gate valve, concretely relates to durability gate valve.

Background

The gate valve is a shutter, the movement direction of the shutter 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 according to the difference of the gate plate.

At present, the valve plate bottom of current gate valve does not set up buffering stop gear, drives the in-process that the valve plate removed through the valve rod, often can make valve plate bottom and valve body inner wall excessively extrude, and the excessive friction in valve plate bottom leads to the corner damage can influence the leakproofness when the gate valve is closed to influence the normal use of gate valve, consequently, need further improve, thereby the life of extension gate valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a durability gate valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a durable gate valve comprises an adjusting mechanism and a valve body, wherein a valve top communicated with the interior of the valve body is fixedly welded at the middle position of the top end of the valve body, a gasket is fixedly installed at the communication position of the valve body and the valve top, the top end of the valve top is fixedly connected with a top plate, and the top plate is detachably connected with the adjusting mechanism;

adjustment mechanism includes the hand wheel, accepts post, valve rod, valve gap, valve plate, the department inlays between two parties and installs valve-stem nut on the top of accepting the post, valve-stem nut cup joints with the valve rod screw thread, just the valve rod is located accept the inside of post, the one end of valve rod runs through the axle center fixed connection of valve-stem nut and hand wheel, the one end and the valve plate rotation of hand wheel are kept away from to the valve rod are connected, the valve plate is kept away from the relative both sides of valve rod one end fixedly connected with fixed plate respectively, two the bottom of fixed plate fixedly connected with guide bar respectively, the bottom of valve body is located fixedly connected with and the inside intercommunication of valve body and is mutually supported auxiliary block with the.

Preferably, one end, far away from the hand wheel, of the accommodating column is fixedly connected with a valve cover, the valve cover is in threaded connection with fixing bolts distributed in a circumferential array mode, and threaded holes matched with the fixing bolts are formed in the top plate.

Preferably, the bottom end of the hand wheel is fixedly connected with a plurality of circular arc-shaped bulges which are distributed in an array manner.

Preferably, the end, far away from the hand wheel, of the valve rod is fixedly sleeved with a bearing, and the end, far away from the valve rod, of the bearing is fixedly connected with the valve plate.

Preferably, the upper surface of the auxiliary block is provided with a guide groove matched with the guide rod, a spring is arranged in the guide groove, two ends of the spring are fixedly connected with buffering pads respectively, one buffering pad far away from the guide rod in the buffering pads is fixedly connected with the bottom wall of the guide groove, and the other buffering pad is in sliding butt joint with the side wall of the guide groove.

Preferably, the top of auxiliary block is seted up the joint groove of mutually supporting with the valve plate, just the fixed adhesion of inner wall in joint groove has the rubber pad.

The utility model discloses a technological effect and advantage: this durability gate valve, cooperation between the joint groove on through valve plate and supplementary piece, it is inseparabler to make the valve plate be connected with the valve body when closing, it is further, rubber pad through joint inslot portion, the leakproofness of being connected between improvement valve plate and the valve body, cooperation between the guide bar and the supplementary piece on the guide way, and simultaneously, rely on the interact between inside spring of guide way and the cushion, weaken the impact of valve plate to the valve body diapire, avoid valve plate and valve body excessive friction and make the corner wearing and tearing of valve plate, rely on valve gap among roof and the adjustment mechanism, mutually support between the fixing bolt, make adjustment mechanism convenient to detach install, thereby the valve plate in the easy access adjustment mechanism has not damaged. This durability gate valve, rational in infrastructure, and effectively improved the problem that exists among the prior art, be favorable to using widely.

Drawings

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

FIG. 2 is a schematic structural view of an adjusting mechanism of the present invention;

fig. 3 is an enlarged view of a position a in the figure of the present invention.

In the figure: the valve comprises an adjusting mechanism 1, a top plate 2, a valve top 3, a gasket 4, a valve body 5, a hand wheel 6, a valve rod nut 7, a bump 8, a receiving column 9, a valve rod 10, a fixing bolt 11, a valve cover 12, a bearing 13, a valve plate 14, a fixing plate 15, a guide rod 16, a cushion pad 17, a clamping groove 18, an auxiliary block 19 and a spring 20.

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.

The utility model provides a durable gate valve as shown in figures 1-3, which comprises an adjusting mechanism 1 and a valve body 5, wherein a valve top 3 communicated with the inside of the valve body 5 is fixedly welded at the middle position of the top end of the valve body 5, a gasket 4 is fixedly arranged at the communication position of the valve body 5 and the valve top 3, the top end of the valve top 3 is fixedly connected with a top plate 2, and the top plate 2 is detachably connected with the adjusting mechanism 1;

adjustment mechanism 1 includes hand wheel 6, accepts post 9, valve rod 10, valve gap 12, valve plate 14, the top of accepting post 9 is located to inlay between two parties and is installed valve-stem nut 7, valve-stem nut 7 cup joints with valve rod 10 screw thread, just valve rod 10 is located accept the inside of post 9, the one end of valve rod 10 is run through valve-stem nut 7 and hand wheel 6's axle center fixed connection, the one end and the valve plate 14 rotation that hand wheel 6 was kept away from to valve rod 10 are connected, valve plate 14 is kept away from the relative both sides of valve rod 10 one end respectively fixedly connected with fixed plate 15, two the bottom of fixed plate 15 is fixedly connected with guide bar 16 respectively, the bottom of valve body 5 is located fixedly connected with and the inside intercommunication of valve body 5 between two parties and is with guide bar 16 mutually supported auxiliary block 19.

Specifically, accept one end fixedly connected with valve gap 12 that post 9 kept away from hand wheel 6, threaded connection has the fixing bolt 11 that is the circumference array distribution on the valve gap 12, just set up the screw hole of mutually supporting with fixing bolt 11 on the roof 2, through the cooperation between fixing bolt 11 and the screw hole, the dismantlement installation of adjustment mechanism 1 of being convenient for to whether there is wearing and tearing in the periodic overhaul valve plate 14 of being convenient for.

Specifically, the bottom fixedly connected with of hand wheel 6 is circular-arc arch 8 that is that a plurality of array distributes, and arch 8 accords with human hand structure, the staff manual rotation hand wheel 6 of being convenient for.

Specifically, the fixed cover of the one end that keeps away from hand wheel 6 of valve rod 10 has connect bearing 13, the one end and valve plate 14 fixed connection that valve rod 10 was kept away from to bearing 13, bearing 13 is used for improving valve rod 10 pivoted stability.

Specifically, the upper surface of auxiliary block 19 is seted up the guide way that mutually supports with guide bar 16, the inside of guide way is equipped with spring 20, spring 20's both ends respectively fixedly connected with blotter 17, two in the blotter 17 keep away from guide bar 16 a blotter 17 and the diapire fixed connection of guide way, another the lateral wall slip butt of blotter 17 and guide way, through the interact between blotter 17 and the spring 20, weaken the impact force of valve plate 14 to valve body 5, avoid valve plate 14 and valve body 5 excessive extrusion friction and make the corner wearing and tearing of valve plate 14 to influence the normal use of gate valve.

Specifically, the top of auxiliary block 19 is seted up with valve plate 14 mutually supporting's joint groove 18, just the fixed adhesion of inner wall in joint groove 18 has the rubber pad for improve the tightness of being connected between valve plate 14 and the valve body 5.

The working principle is as follows: this durability gate valve, during the use, through the screw-thread fit between valve rod nut 7 and the valve rod 10 in adjustment mechanism 1, thereby drive valve rod 10 and rotate through rotating hand wheel 6, thereby drive valve plate 14 and reciprocate, thereby make this gate valve open and close, in addition, through the cooperation between joint groove 18 on valve plate 14 and the auxiliary block 19, make the valve plate 14 when closing be connected with valve body 5 inseparabler, furthermore, through the inside rubber pad of joint groove 18, improve the leakproofness of being connected between valve plate 14 and the valve body 5, through the cooperation between the guide way on guide bar 16 and the auxiliary block 19, and simultaneously, rely on the interact between inside spring 20 of guide way and the cushion pad 17, weaken the impact of valve plate 14 to the valve body 5 diapire, avoid valve plate 14 and valve body 5 excessive friction and make the corner wearing and tearing of valve plate 14, in addition, rely on roof 2 and adjustment mechanism 1 in valve gap 12, The mutual cooperation between the fixing bolts 11 makes the adjusting mechanism 1 convenient to disassemble and assemble, thereby facilitating the overhaul of the valve plate 14 in the adjusting mechanism 1. This durability gate valve, rational in infrastructure, and effectively improved the problem that exists among the prior art, be favorable to using widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A durable gate valve, includes adjustment mechanism (1) and valve body (5), its characterized in that: a valve top (3) communicated with the interior of the valve body (5) is fixedly welded at the middle position of the top end of the valve body (5), a gasket (4) is fixedly installed at the communication position of the valve body (5) and the valve top (3), a top plate (2) is fixedly connected to the top end of the valve top (3), and the top plate (2) is detachably connected with the adjusting mechanism (1);

the adjusting mechanism (1) comprises a hand wheel (6), a containing column (9), a valve rod (10), a valve cover (12) and a valve plate (14), a valve rod nut (7) is embedded in the middle of the top end of the containing column (9), the valve rod nut (7) is in threaded sleeve joint with the valve rod (10), the valve rod (10) is positioned inside the containing column (9), one end of the valve rod (10) penetrates through the valve rod nut (7) and is fixedly connected with the axle center of the hand wheel (6), one end of the valve rod (10) far away from the hand wheel (6) is rotationally connected with the valve plate (14), two opposite sides of one end of the valve plate (14) far away from the valve rod (10) are respectively and fixedly connected with a fixed plate (15), the bottom ends of the two fixed plates (15) are respectively and fixedly connected with a guide rod (16), the bottom of valve body (5) is located fixedly connected with in the middle of with valve body (5) inside intercommunication and with guide bar (16) mutually supporting supplementary piece (19).

2. A durable gate valve according to claim 1, wherein: one end, far away from the hand wheel (6), of the accommodating column (9) is fixedly connected with a valve cover (12), fixing bolts (11) distributed in a circumferential array are connected to the valve cover (12) in a threaded mode, and threaded holes matched with the fixing bolts (11) are formed in the top plate (2).

3. A durable gate valve according to claim 1, wherein: the bottom end of the hand wheel (6) is fixedly connected with a plurality of circular arc-shaped bulges (8) which are distributed in an array manner.

4. A durable gate valve according to claim 1, wherein: the fixed cover of one end that keeps away from hand wheel (6) of valve rod (10) has connect bearing (13), the one end and valve plate (14) fixed connection that valve rod (10) were kept away from in bearing (13).

5. A durable gate valve according to claim 1, wherein: the upper surface of auxiliary block (19) is seted up the guide way of mutually supporting with guide bar (16), the inside of guide way is equipped with spring (20), fixedly connected with blotter (17) respectively at the both ends of spring (20), two keep away from in blotter (17) a blotter (17) of guide bar (16) and the diapire fixed connection of guide way, another the lateral wall slip butt of blotter (17) and guide way.

6. A durable gate valve according to claim 1, wherein: the top of auxiliary block (19) is seted up with valve plate (14) mutually supporting joint groove (18), just the inner wall of joint groove (18) is fixed the adhesion has the rubber pad.