CN215487677U

CN215487677U - Large flow stop valve

Info

Publication number: CN215487677U
Application number: CN202121807232.XU
Authority: CN
Inventors: 刘程鹏; 刘向东; 池万养; 刘万群
Original assignee: Zhejiang Meide Machinery Co ltd
Current assignee: Zhejiang Meide Machinery Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-11
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a high-flow stop valve in the field of stop valves, which comprises a valve body and a control plate, wherein the control plate is horizontally arranged at the middle position of the top of the valve body, the valve body also comprises a flange plate A, a flange plate B and a quick stop mechanism, the two flange plates A are vertically welded at the two ends of the valve body, the flange plate B is horizontally welded at the middle position of the top of the valve body, the quick stop mechanism is embedded and arranged at the middle position inside the valve body, an internal thread groove is formed in the middle position inside the valve body, the quick stop mechanism is arranged inside the high-flow stop valve, quick closure can be realized, flow loss is reduced, the valve clack is closed after the quick stop mechanism is opened, the resistance when the valve is closed can be reduced, the control difficulty of working personnel is reduced, and the quick stop mechanism adopts liquid flow as power to carry out quick closure and is convenient to control.

Description

Large flow stop valve

Technical Field

The utility model relates to the field of stop valves, in particular to a high-flow stop valve.

Background

The stop valve, also called stop valve, is the most widely used valve, it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also suitable for high pressure, the closing principle of the stop valve is that the valve lever pressure is relied on to make the sealing surface of the valve clack and the sealing surface of the valve seat tightly joint, and the medium circulation is prevented.

Current stop valve is closing the in-process, because the impact force that the liquid circulation in-process brought, the resistance is great when leading to closing, consequently controls the degree of difficulty great when staff closes the stop valve, and current stop valve can't realize closing fast, and the closing process is slow, can lead to the flow loss. Accordingly, those skilled in the art have provided a high flow shut-off valve to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a high flow stop valve to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: including the valve body with control the dish, it is horizontal installation at the top intermediate position of valve body to control the dish, the valve body still includes ring flange A, ring flange B and quick stop mechanism, two ring flange A is the both ends of vertical welding at the valve body, ring flange B is the top intermediate position of horizontal welding at the valve body, the inside intermediate position at the valve body is installed in the embedding of quick stop mechanism, the inside intermediate position of valve body is equipped with the internal thread groove.

As a still further scheme of the utility model: the quick stop mechanism comprises a closed fluted disc, a gear, a belt, a cross valve plate, a sealing cover, a limiting slide block and a tension spring, wherein the closed fluted disc is embedded in the inner side wall of the valve body and is movably connected with the valve body, the tension spring is vertically arranged between the top end of the closed fluted disc and the valve body, the gear is embedded in the middle position inside the valve body and is meshed with the closed fluted disc, the cross valve plate is horizontally arranged at the edge position inside the valve body and is movably connected with the valve body, the cross valve plate is connected with the gear through the belt in a transmission manner, the sealing cover is welded at the edge position at the top of the valve body in an inclined manner, the limiting slide block is embedded in the edge position at the top of the valve body and is connected with the valve body in a sliding manner, and the quick stop mechanism can be used for quickly stopping liquid circulating inside the valve body, therefore, the pressure when the valve clack is closed is reduced, and the timely closure can be realized.

As a still further scheme of the utility model: the control panel still includes valve rod, fastening nut, valve gap, valve clack and sealed film, the valve rod is and runs through the top intermediate position that sets up at the valve body perpendicularly, the control panel be the level set up the top at the valve rod, and with through fastening nut fixed connection between the valve rod, the valve gap intussuseption is set up the intermediate position at the valve rod, just the valve gap passes through screw fixed connection with ring flange B, the valve clack is the level and inlays the cover and sets up the bottom at the valve rod, and with the valve rod passes through screw fixed connection, sealed film intussuseption is set up the intermediate position at the valve rod, and with the valve rod passes through screw fixed connection, adopts the control panel to control the valve rod and rotates, can make things convenient for the staff to control, and is more laborsaving.

As a still further scheme of the utility model: the lateral wall intermediate position of valve rod is equipped with integrated into one piece's external screw thread, the valve rod passes through the internal thread groove looks adaptation of external screw thread and valve body, rotates the control panel and can drive the valve rod and rotate, and the valve rod can realize going up and down at the internal thread groove through the external screw thread fit valve body of side, and then drives the valve clack lift of bottom, plays the effect that the control valve body switches on or closes.

As a still further scheme of the utility model: the sealing rubber sheet is annular, the inner and outer edges of the sealing rubber sheet are fixed by iron rings, the outer edge position of the sealing rubber sheet is fixedly connected with the inner side wall of the valve body through screws, the sealing rubber sheet is tightly connected with the valve body and the valve rod, and the sealing rubber sheet can play an isolation role, so that liquid can not enter the upper layer through the sealing rubber sheet.

As a still further scheme of the utility model: the intermediate position of cross valve plate adopts the pivot to fix, just the cross valve plate can rotate around the pivot, and when the cross valve plate received the inside rivers impact of valve body, can rotate around the pivot, and the cross valve plate passes through belt and gear drive again, therefore the cross valve plate rotates the in-process and can drive gear revolve.

As a still further scheme of the utility model: the limiting slide block can slide towards the inside of the sealing cover, extends to the cross position of the cross valve plate, can play a role in blocking the cross valve plate, and can limit and fix the cross valve plate to enable the cross valve plate to rotate.

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

1. according to the utility model, the cross valve plate can rotate anticlockwise under the impact of water flow, the gear is driven to rotate by the arranged cross valve plate and the belt, and then the closed fluted disc is driven to move downwards by the gear.

2. According to the utility model, the limiting slide block can slide along the valve body, when the limiting slide block slides towards the right side, the right end of the limiting slide block can slide to the middle position of the cross valve plate, and at the moment, the limiting slide block can block the cross valve plate to enable the cross valve plate not to normally rotate, so that the closed fluted disc cannot be driven to descend, and a worker can conveniently and manually control whether the closed fluted disc descends to cut off the flow according to actual conditions.

Drawings

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

FIG. 2 is a side elevation and longitudinal section of the valve body of the present invention;

fig. 3 is an enlarged schematic view of the structure of the quick stop mechanism of the present invention.

In the figure: 1. a valve body; 11. a flange A; 12. a flange B; 13. an internal thread groove; 14. a quick cut-off mechanism; 141. sealing the fluted disc; 142. a gear; 143. a belt; 144. a cross valve plate; 145. a sealing cover; 146. a limiting slide block; 147. a tension spring; 2. a control panel; 21. a valve stem; 211. an external thread; 22. fastening a nut; 23. a valve cover; 24. a valve flap; 25. and sealing the film.

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 to 3, in the embodiment of the present invention, the high flow stop valve includes a valve body 1 and a control panel 2, the control panel 2 is horizontally installed at a middle position of a top of the valve body 1, the valve body 1 further includes a flange a11, a flange B12, and a fast stop mechanism 14, the two flanges a11 are vertically welded at two ends of the valve body 1, the flange B12 is horizontally welded at a middle position of a top of the valve body 1, the fast stop mechanism 14 is embedded in a middle position of an interior of the valve body 1, and an internal thread groove 13 is formed at a middle position of an interior of the valve body 1.

Wherein, as a further scheme of the utility model: the quick stop mechanism 14 comprises a closed fluted disc 141, a gear 142, a belt 143, a cross valve plate 144, a sealing cover 145, a limiting slider 146 and a tension spring 147, wherein the closed fluted disc 141 is embedded in the inner side wall of the valve body 1 and is movably connected with the valve body 1, the tension spring 147 is vertically installed between the top end of the closed fluted disc 141 and the valve body 1, the gear 142 is embedded in the middle position in the valve body 1, the gear 142 is meshed with the closed fluted disc 141, the cross valve plate 144 is horizontally installed at the edge position in the valve body 1 and is movably connected with the valve body 1, the cross valve plate 144 is in transmission connection with the gear 142 through the belt 143, the sealing cover 145 is obliquely welded at the edge position at the top of the valve body 1, the limiting slider 146 is embedded in the edge position at the top of the valve body 1 and is in sliding connection with the valve body 1, and the arranged quick stop mechanism 14 can be used for quickly stopping the liquid flowing through the interior of the valve body 1, pressure when reducing the closing valve clack 24 with this, can accomplish in time damming, the cross valve plate 144 of quick stop mechanism 14 receives liquid impact can anticlockwise rotation, and cooperation belt 143 can drive gear 142 anticlockwise rotation, drives closed fluted disc 141 by gear 142 again and descends, dams fast to valve body 1 inside.

As a still further scheme of the utility model: the control panel 2 also comprises a valve rod 21, a fastening nut 22, a valve cover 23, a valve clack 24 and a sealing rubber sheet 25, the valve rod 21 vertically penetrates through the middle position of the top of the valve body 1, the control panel 2 is horizontally arranged at the top end of the valve rod 21, and is fixedly connected with the valve rod 21 through a fastening nut 22, a valve cover 23 is embedded and arranged at the middle position of the valve rod 21, the valve cover 23 is fixedly connected with the flange B12 through screws, the valve clack 24 is horizontally embedded and arranged at the bottom end of the valve rod 21, and is fixedly connected with the valve rod 21 through a screw, the sealing rubber piece 25 is embedded and arranged at the middle position of the valve rod 21, and pass through screw fixed connection with valve rod 21, adopt control panel 2 to control valve rod 21 and rotate, can make things convenient for the staff to control, it is more laborsaving, only need rotate during the use control panel 2 can drive valve rod 21 and rotate, realize the inside situation of switching on of control valve body 1.

As a still further scheme of the utility model: the lateral wall intermediate position of valve rod 21 is equipped with integrated into one piece's external screw thread 211, and valve rod 21 passes through external screw thread 211 and valve body 1's internal thread groove 13 phase-match, rotates control panel 2 and can drive valve rod 21 and rotate, and valve rod 21 can realize going up and down in the internal thread groove 13 of external screw thread 211 cooperation valve body 1 through the side, and then drives the valve clack 24 lift of bottom, plays the effect that control valve body 1 switched on or closed.

As a still further scheme of the utility model: sealing film 25 is cyclic annular, and sealing film 25 inside and outside edge all adopts the hoop fixed, and the outside edge position passes through screw fixed connection with the inside wall of valve body 1, is connected closely between sealing film 25 and valve body 1, the valve rod 21, can play the isolation for liquid can't enter into the upper strata through sealing film 25, and because sealing film 25 possesses elasticity, consequently valve rod 21 lift in-process can not damage sealing film 25.

As a still further scheme of the utility model: the intermediate position of cross valve plate 144 adopts the pivot to fix, and cross valve plate 144 can rotate around the pivot, and when cross valve plate 144 received the inside rivers impact of valve body 1, can rotate around the pivot, and cross valve plate 144 passes through belt 143 again and gear 142 transmission, consequently cross valve plate 144 rotates the in-process and can drive gear 142 and rotate, adopts the liquid that cross valve plate 144 cooperation flows as drive power, can play laborsaving effect.

As a still further scheme of the utility model: the limiting slide block 146 can slide towards the inside of the sealing cover 145, the limiting slide block 146 extends to the cross position of the cross valve plate 144, the limiting slide block 146 can block the cross valve plate 144, and the limiting slide block 146 can limit and fix the cross valve plate 144 to enable the cross valve plate 144 to be incapable of rotating.

The working principle of the utility model is as follows: firstly, a worker installs a valve body 1 between pipelines, the left side of the valve body 1 is provided with a water inlet, the right side of the valve body 1 is provided with a water outlet, when the valve body 1 needs to be conducted, the control disc 2 is rotated anticlockwise to drive a valve rod 21 to rotate anticlockwise, the valve rod 21 is matched with an internal thread groove 13 of the valve body 1 through an external thread 211 on the side surface to realize rising, the valve rod 21 can drive a valve clack 24 at the bottom end to rise in the rising process, at the moment, the valve body 1 is in a conducting state, and liquid can flow from left to right in the valve body 1;

when the valve body 1 needs to be closed, the limiting slider 146 is firstly slid leftwards (it is to be noted that, in a normal state, the limiting slider 146 is positioned at the rightmost side), the liquid flowing in the valve body 1 impacts and drives the cross valve plate 144 to rotate anticlockwise, the cross valve flap 144 drives the gear 142 to rotate anticlockwise by matching with the belt 143 in the rotation process, the gear 142 is meshed with the sealing fluted disc 141, so that the sealing fluted disc 141 can be driven to move downwards, the sealing fluted disc 141 cannot move continuously when moving to the bottommost part, and the sealing fluted disc 141 seals the middle of the valve body 1 at the moment, the liquid cannot be conducted continuously, and then a worker rotates the control disc 2 clockwise to drive the valve flap 24 to descend, so that the valve body 1 can be closed completely, so that the cut-off can be performed quickly, the resistance when the valve is closed can be reduced, the cross valve flap 144 cannot rotate continuously after the valve flap 24 is closed, and the sealing fluted disc 141 can ascend to the original position under the action of the tension spring 147, at this time, the limit slider 146 is reset to the rightmost side.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Large-traffic stop valve, including valve body (1) and control dish (2), its characterized in that: handle dish (2) and be the top intermediate position of horizontal installation at valve body (1), valve body (1) still includes ring flange A (11), ring flange B (12) and quick stop mechanism (14), two ring flange A (11) are the both ends of vertical welding at valve body (1), ring flange B (12) are the top intermediate position of horizontal welding at valve body (1), quick stop mechanism (14) embedding is installed in the inside intermediate position of valve body (1), the inside intermediate position of valve body (1) is equipped with interior thread groove (13).

2. The high flow shut-off valve of claim 1, wherein: the quick stop mechanism (14) comprises a closed fluted disc (141), a gear (142), a belt (143), a cross valve plate (144), a sealing cover (145), a limiting slide block (146) and a tension spring (147), wherein the closed fluted disc (141) is embedded in the inner side wall of the valve body (1) and is movably connected with the valve body (1), the tension spring (147) is vertically arranged between the top end of the closed fluted disc (141) and the valve body (1), the gear (142) is embedded in the middle position inside the valve body (1), the gear (142) is meshed with the closed fluted disc (141), the cross valve plate (144) is horizontally arranged at the edge position inside the valve body (1) and is movably connected with the valve body (1), the cross valve plate (144) is in transmission connection with the gear (142) through the belt (143), and the sealing cover (145) is welded at the edge position at the top of the valve body (1) in an inclined manner, the limiting sliding block (146) is embedded in the edge position of the top of the valve body (1) and is in sliding connection with the valve body (1).

3. The high flow shut-off valve of claim 1, wherein: handle dish (2) still include valve rod (21), fastening nut (22), valve gap (23), valve clack (24) and sealing rubber piece (25), valve rod (21) are and run through the top intermediate position that sets up at valve body (1) perpendicularly, handle dish (2) are the level and set up the top at valve rod (21), and with through fastening nut (22) fixed connection between valve rod (21), valve gap (23) cover sets up the intermediate position at valve rod (21), just valve gap (23) pass through screw fixed connection with ring flange B (12), valve clack (24) are the bottom of horizontal cover setting at valve rod (21), and with valve rod (21) pass through screw fixed connection, sealing rubber piece (25) cover sets up the intermediate position at valve rod (21), and with valve rod (21) pass through screw fixed connection.

4. The high flow shut-off valve of claim 3, wherein: the valve is characterized in that an integrally formed external thread (211) is arranged in the middle of the side wall of the valve rod (21), and the valve rod (21) is matched with an internal thread groove (13) of the valve body (1) through the external thread (211).

5. The high flow shut-off valve of claim 3, wherein: the sealing rubber sheet (25) is annular, the inner edge and the outer edge of the sealing rubber sheet (25) are fixed by iron rings, and the outer edge of the sealing rubber sheet is fixedly connected with the inner side wall of the valve body (1) through screws.

6. The high flow shut-off valve of claim 2, wherein: the middle position of the cross valve plate (144) is fixed by a rotating shaft, and the cross valve plate (144) can rotate around the rotating shaft.

7. The high flow shut-off valve of claim 2, wherein: the limiting slide block (146) can slide towards the inside of the sealing cover (145), and the limiting slide block (146) extends to the crossing position of the cross valve plate (144).