CN216742924U

CN216742924U - High-stability gate valve with secondary seal structure

Info

Publication number: CN216742924U
Application number: CN202123301248.6U
Authority: CN
Inventors: 王镜辉
Original assignee: Liaoning Zhongsheng Welded Bellows Co ltd
Current assignee: Liaoning Zhongsheng Welded Bellows Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-14
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a high-stability gate valve with a secondary sealing structure, which comprises an outer frame and a threaded rod, wherein a turntable is movably arranged on the upper surface of the outer frame, a bottom frame is fixedly arranged on the lower surface of the outer frame, an annular groove is formed in the outer frame, the front section of the outer frame is in an inverted U shape, and the upper surface of the turntable is in a convex shape; the threaded rod is movably arranged in the rotary disc; further comprising: the positioning block is fixedly arranged on the surface of the baffle, and the front section of the positioning block is of an inverted L-shaped structure. This high stability type push-pull valve with secondary seal structure is when using, and rotatory carousel, carousel pass through the threaded rod and drive the fly leaf and down remove, and when the fly leaf removed the lower surface of underframe, the fly leaf was plugged up rivers, and in the course of the work, the overlap joint piece rotated in the ring channel is inside, made the carousel can be better drive threaded rod and fly leaf work, improved the holistic stability of device.

Description

High-stability gate valve with secondary seal structure

Technical Field

The utility model relates to the technical field of gate valves, in particular to a high-stability gate valve with a secondary sealing structure.

Background

The gate valve is widely used in butt joint of various pipelines, is a valve with a manual mode and an electric mode, and is also used in the water conservancy field, for example, a novel pneumatic gate valve with the publication number of CN204477345U realizes the self-cleaning function in a blowing and scavenging mode. Meanwhile, the utility model also has the characteristics of low manufacturing cost, cleanness, no dead angle, stable and reliable operation, low manufacturing cost and the like;

but it does not have the structure of secondary seal, and when the push-pull valve was used in the water course, and the water potential was great, the upper half of push-pull valve still can be soaked by the water logging, made the holistic water-proof effects of device relatively poor, was unfavorable for long-term the use.

Aiming at the problems, innovative design is urgently needed on the basis of the original gate valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-stability type gate valve with a secondary sealing structure, which aims to solve the problem that the gate valve without the secondary sealing structure in the background art is not easy to use for a long time due to poor integral waterproof effect when the upper half part of the gate valve is soaked by water when the gate valve is used in a water channel and the water potential is large.

In order to achieve the purpose, the utility model provides the following technical scheme: a high stability type gate valve with secondary seal structure, includes: the upper surface of the outer frame is movably provided with a turntable, the lower surface of the outer frame is fixedly provided with a bottom frame, an annular groove is formed in the outer frame, the outer frame is in an inverted U-shaped front section, the upper surface of the turntable is convex, and the convex part of the upper surface of the turntable brings more convenience to workers when the turntable is rotated;

the threaded rod is movably arranged in the rotary disc;

a high stability type push-pull valve with secondary seal structure still includes:

the baffle is movably arranged in the outer frame and is symmetrically distributed around the center of the outer frame;

the positioning block is fixedly arranged on the surface of the baffle, and the front section of the positioning block is of an inverted L-shaped structure;

the handle is movably arranged on the side face of the baffle, and the horizontal center line of the handle and the horizontal center line of the baffle are on the same straight line.

Preferably, the lower surface fixed mounting of carousel have with the overlap joint piece that the ring channel corresponds, and overlap joint piece movable mounting be in the inside of frame to the positive section of overlap joint piece is for "L" structure of falling, and at the during operation, rotatory carousel, the overlap joint piece of carousel lower surface is rotatory in the ring channel inside this moment, makes the carousel can not move in vertical direction.

Preferably, the lower fixed surface of threaded rod install with the fly leaf that the underframe corresponds, and the both sides of fly leaf with the inboard laminating of underframe, during the carousel was rotatory, drive the fly leaf through the threaded rod and down remove, and the lower surface of fly leaf and the inboard laminating of underframe, make the effect of the shutoff rivers of fly leaf better.

Preferably, the surface of the outer frame is provided with positioning grooves corresponding to the positioning blocks, the positioning blocks are symmetrically distributed about the center of the baffle, when the movable plate is positioned inside the bottom frame, the baffle can be inserted into the outer frame, the positioning blocks on the upper surface of the baffle are firstly inserted into the positioning grooves, and the positioning grooves and the positioning blocks enable workers to align the baffle more easily when installing the baffle.

Preferably, the inside fixed mounting of baffle has the miniature spring that plays the elasticity effect of resetting, and one side fixed mounting in addition of miniature spring has the fixture block to the end of baffle is sunken shape, when inserting the baffle toward the frame is inside, the inclined plane of fixture block is by the surface extrusion of frame, and the miniature spring can be extruded to the fixture block this moment, and the depressed part of baffle can laminate with the threaded rod, makes the threaded rod can not wetted by the water, has reduced the rusty probability of threaded rod, has improved the life of threaded rod.

Preferably, the inside of the outer frame is provided with a clamping groove corresponding to the clamping block, the inside of the baffle is provided with a deep groove corresponding to the clamping block, when the surface of the clamping block is extruded by the surface of the outer frame, the clamping block can move towards the inside of the deep groove, when the clamping block and the clamping groove are in the same vertical direction, the clamping block enters the clamping groove under the action of the micro spring, and the baffle is installed on the outer frame at the moment.

Preferably, the side fixedly connected with haulage rope of handle, and the other side of haulage rope with the side fixed connection of fixture block, when needing to pull down the baffle, pulling handle, the handle passes through the haulage rope at this moment and pulls out the draw-in groove with the fixture block, and baffle and frame are not in the state of block this moment, can pull the baffle outward in the past, take off the baffle from the frame.

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

(1) when the high-stability type gate valve with the secondary sealing structure is used, the rotary disc is rotated, the rotary disc drives the movable plate to move downwards through the threaded rod, when the movable plate moves to the lower surface of the bottom frame, the movable plate blocks water flow, and in the working process, the lap joint blocks rotate inside the annular groove, so that the rotary disc can better drive the threaded rod and the movable plate to work, and the integral stability of the device is improved;

(2) this high stability type push-pull valve with secondary seal structure inserts the baffle toward the inside of frame when the installation baffle, and when the locating piece inserted the constant head tank inside, the fixture block also entered into the draw-in groove under miniature spring's effect, and this moment has installed the baffle on the frame promptly, and the baffle and the fly leaf cooperation of symmetric distribution make rivers can not cross the device, have reached secondary seal's purpose promptly.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the outer frame and the baffle plate according to the present invention;

FIG. 4 is a schematic perspective view of the baffle of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

In the figure: 1. an outer frame; 2. a bottom frame; 3. an annular groove; 4. a turntable; 5. a lapping block; 6. a threaded rod; 7. a movable plate; 8. a baffle plate; 9. positioning blocks; 10. a clamping block; 11. a handle; 12. positioning a groove; 13. a micro-spring; 14. a hauling rope; 15. a card slot; 16. and (4) deep grooves.

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. 1-5, the present invention provides a technical solution: a high stability gate valve with secondary seal structure, comprising: the upper surface of the outer frame 1 is movably provided with a turntable 4, the lower surface of the outer frame 1 is fixedly provided with a bottom frame 2, an annular groove 3 is formed in the outer frame 1, the front section of the outer frame 1 is in an inverted U shape, and the upper surface of the turntable 4 is in a convex shape;

the threaded rod 6 is movably arranged in the turntable 4;

the baffle 8 is movably arranged in the outer frame 1, and the baffle 8 is symmetrically distributed around the center of the outer frame 1;

the positioning block 9 is fixedly arranged on the surface of the baffle plate 8, and the front section of the positioning block 9 is of an inverted L-shaped structure;

the handle 11 and the handle 11 are movably arranged on the side surface of the baffle plate 8, and the horizontal center line of the handle 11 and the horizontal center line of the baffle plate 8 are on the same straight line.

The lower surface fixed mounting of carousel 4 has the overlap joint piece 5 that corresponds with ring channel 3, and overlap joint piece 5 movable mounting is in the inside of frame 1 to overlap joint piece 5 is positive to be cut the section and is for "L" structure.

The lower surface of the threaded rod 6 is fixedly provided with a movable plate 7 corresponding to the bottom frame 2, and two sides of the movable plate 7 are attached to the inner side of the bottom frame 2.

When using, the staff can rotate the convex part of

carousel

4, 4 rotatory times of carousel, drive fly leaf 7 through threaded rod 6 and move down, when fly leaf 7 moves the lower surface of underframe 2, fly leaf 7 blocks up rivers, and in the course of the work, the overlap joint piece 5 of the structure of falling "L" of symmetric distribution rotates in 3 insides of ring channel, make carousel 4 can not take place to remove in vertical direction, carousel 4 can be better drive threaded rod 6 and fly leaf 7 work, the holistic stability of device has been improved.

The surface of the outer frame 1 is provided with positioning grooves 12 corresponding to the positioning blocks 9, and the positioning blocks 9 are symmetrically distributed about the center of the baffle plate 8.

A micro spring 13 playing a role of elastic reset is fixedly installed inside the baffle plate 8, a clamping block 10 is fixedly installed on the other side of the micro spring 13, and the tail end of the baffle plate 8 is concave.

The inner part of the outer frame 1 is provided with a clamping groove 15 corresponding to the clamping block 10, and the inner part of the baffle plate 8 is provided with a deep groove 16 corresponding to the clamping block 10.

A pulling rope 14 is fixedly connected to the side surface of the handle 11, and the other side of the pulling rope 14 is fixedly connected to the side surface of the latch 10.

When a worker installs the baffle 8, the positioning groove 12 on the outer frame 1 symmetrical to the positioning block 9 on the baffle 8 is inserted, when the positioning block 9 enters the positioning groove 12, the surface of the fixture block 10 is extruded by the inner wall of the outer frame 1, the fixture block 10 moves towards the inside of the deep groove 16, meanwhile, the fixture block 10 extrudes the micro spring 13, when the positioning block 9 is completely inserted into the positioning groove 12, the fixture block 10 and the clamping groove 15 are in the same vertical direction, at the moment, the fixture block 10 enters the clamping groove 15 under the action of the micro spring 13, namely, the baffle 8 is installed on the outer frame 1, the baffle 8 on the other side is also installed on the outer frame 1 by the same operation, the baffle 8 which is symmetrically distributed is matched with the movable plate 7, so that water flow cannot cross the device, the purpose of secondary sealing is achieved, when the baffle 8 needs to be taken down, the traction rope 14 is pulled, the traction rope 14 pulls the fixture block 10 out of the clamping groove 15, at this time, the baffle 8 and the outer frame 1 are not in a clamped state, i.e. the baffle 8 can be taken down from the outer frame 1, at this time, the turntable 4 can be rotated again, so that the movable plate 7 moves upwards, and at this time, the device does not cut off water flow.

The working principle is as follows: when the high-stability gate valve with the secondary sealing structure is used, firstly, the device is placed at a position needing to work, according to the figures 1-5, when the gate valve is used, the rotary disc 4 is rotated, the rotary disc 4 drives the movable plate 7 to move downwards through the threaded rod 6, and when the movable plate 7 moves to the lower surface of the bottom frame 2, the movable plate 7 blocks water flow; when installing baffle 8, insert locating slot 12 on the locating piece 9 symmetry frame 1 on the baffle 8, when locating piece 9 inserted locating slot 12 inside, fixture block 10 entered into draw-in groove 15 under micro spring 13's effect in, installed baffle 8 on frame 1 promptly, baffle 8 and fly leaf 7 cooperation make rivers can not cross the device, have reached the secondary seal's purpose promptly.

The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 high-stability gate valve with a secondary sealing structure comprises an outer frame and a threaded rod, wherein a rotary disc is movably mounted on the upper surface of the outer frame, a bottom frame is fixedly mounted on the lower surface of the outer frame, an annular groove is formed in the outer frame, the cross section of the outer frame is in an inverted U shape, and the upper surface of the rotary disc is convex;

the threaded rod is movably arranged in the rotary disc;

it is characterized by also comprising:

2. A high stability type gate valve with secondary seal structure according to claim 1, wherein: the lower surface fixed mounting of carousel have with the overlap joint piece that the ring channel corresponds, and overlap joint piece movable mounting be in the inside of frame to the positive section of overlap joint piece is for falling "L" structure.

3. A high stability type gate valve with secondary seal structure according to claim 1, wherein: the lower fixed surface of threaded rod install with the fly leaf that the underframe corresponds, and the both sides of fly leaf with the inboard laminating of underframe.

4. A high stability type gate valve with secondary seal structure according to claim 1, wherein: and the surface of the outer frame is provided with positioning grooves corresponding to the positioning blocks, and the positioning blocks are symmetrically distributed around the center of the baffle.

5. A high stability type gate valve with secondary seal structure according to claim 1, wherein: the inside fixed mounting of baffle has the miniature spring that plays the elasticity effect of resetting, and one side fixed mounting of miniature spring has the fixture block in addition, and the end of baffle is sunken shape.

6. A high stability type gate valve with secondary seal structure according to claim 5, characterized in that: the inner part of the outer frame is provided with a clamping groove corresponding to the clamping block, and the inner part of the baffle is provided with a deep groove corresponding to the clamping block.

7. A high stability type gate valve with secondary seal structure according to claim 5, characterized in that: the side of the handle is fixedly connected with a traction rope, and the other side of the traction rope is fixedly connected with the side of the clamping block.