CN211951459U

CN211951459U - Stop valve capable of being opened and closed in rotating mode

Info

Publication number: CN211951459U
Application number: CN202020109341.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-11-17
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a stop valve that rotatory was opened and close, the on-line screen storage device comprises a base, the left side bottom surface of base seted up with the communicating passageway in right side surface, there is the connecting seat on the top of base through bolt locking, the top welding of connecting seat has the footstock, the inner chamber right side bottom of footstock has the one end of rocker through the bearing coupling, the inner chamber of footstock is extended to the other end of rocker, the outer wall interference fit of rocker has first sprocket, the outer wall chain connection of first sprocket has the chain, the inner chamber top left side of footstock has the screw rod through the bearing coupling, the bottom of screw rod extends into the inner chamber of connecting seat, the outer wall top interference fit of screw rod has the second sprocket of being connected with the chain. This rotatory stop valve of opening and close, the device can effectual person of facilitating the use open or close the stop valve, improves the sealed effect of stop valve, avoids appearing the not enough problem of leakproofness, more accords with the user demand of reality.

Description

Stop valve capable of being opened and closed in rotating mode

Technical Field

The utility model relates to a stop valve technical field specifically is a rotatory stop valve of opening and close.

Background

The stop valve is also called a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent a sealing surface from leaking, when a medium enters the valve from the lower part of the valve clack, the resistance to be overcome by an operating force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the failure of the valve rod bending can occur, and the stop valve is divided into three types according to the connection mode: flange joint, the screw thread is connected, welded connection, present stop valve is when opening or closing, because the frictional force of valve rod and filler and the produced thrust of the pressure of medium are great, make the user need apply the enough big external force of valve rod, just can open or close its rotation, if the less user of strength hardly rotates its valve rod, waste time and energy, and the stop valve is along with the increase of live time, the erodeing of medium, sealing washer between valve clack and the disk seat damages, in case sealed face is worn and torn by the granule impurity in the medium, the not enough problem of leakproofness will appear, the practicality of stop valve has been reduced, be not conform to actual user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory stop valve of opening and close 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 rotary opening and closing stop valve comprises a base, wherein a channel communicated with the right side surface is formed in the bottom end surface of the left side of the base, a connecting seat is locked at the top end of the base through a bolt, a top seat is welded at the top end of the connecting seat, one end of a rocker is connected to the bottom end of the right side of an inner cavity of the top seat through a bearing in a shaft mode, the other end of the rocker extends out of an inner cavity of the top seat, a first chain wheel is in interference fit with the outer wall of the rocker, a chain is connected to the outer wall chain of the first chain wheel, a screw rod is connected to the left side of the top end of the inner cavity of the top seat through a bearing in a shaft mode, the bottom end of the screw rod extends into the inner cavity of the connecting seat, a second chain wheel connected with the chain is in interference fit with the top end of the outer wall of the screw rod, a rectangular, the welding of the left side of connecting block has first separation block, and the bottom of first separation block extends into the inner chamber of passageway, the welding of the bottom right side of connecting block has the second separation block, and the bottom of second separation block extends into the inner chamber of passageway, the outer wall circumference surface on second separation block is provided with first rubber layer, the outer wall circumference surface on first rubber layer is from last all to being provided with first rubber ball down, the inner chamber right side bottom circumference surface of base is provided with the second rubber layer, the inner chamber circumference surface on second rubber layer is from last all to being provided with the second rubber ball down.

Preferably, the outer wall of the rocker is in a Z shape.

Preferably, the number of the connecting rods is two, and the two connecting rods are symmetrically arranged relative to the screw rod.

Preferably, the distance length between the upper end face of the connecting block and the top end of the inner cavity of the base is larger than the width of the channel.

Preferably, the first rubber balls are arranged on the outer wall of the first rubber layer in a clearance mode, and the distance between the upper adjacent first rubber balls and the lower adjacent first rubber balls is 1 cm.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary opening and closing stop valve has the advantages that the rocker is driven to drive the first chain wheel to rotate by rotating the rocker anticlockwise, the second chain wheel is driven to drive the screw to rotate anticlockwise by the connection relation between the first chain wheel and the second chain wheel and the chain, the rectangular block is driven to drive the connecting block, the first blocking block and the second blocking block to move upwards by the screw through the connecting rod, the first rubber layer and the first rubber ball are driven to move upwards on the inner side of the second rubber layer by the second blocking block, when the first blocking block and the second blocking block move out of the inner cavity of the channel, a medium flows from right to left through the channel, the first rubber layer and the first rubber ball are driven to move towards the inner cavity of the second rubber layer by the second blocking block, the sealing effect of blocking the inner cavity of the channel is improved by mutually attaching and extruding the first rubber ball and the second rubber ball, and the rotary opening and closing stop valve can be effectively convenient for a user, operation convenient to use, labour saving and time saving through setting up double seal structure, improves the sealed effect of stop valve, avoids appearing the not enough problem of leakproofness, has improved the practicality of stop valve, has prolonged the life of stop valve, more accords with actual user demand.

Drawings

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

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a top view of the chain of the present invention;

figure 4 is a top view of the second barrier block of the present invention.

In the figure: 1. the base, 2, passageway, 3, connecting seat, 4, footstock, 5, rocker, 6, first sprocket, 7, chain, 8, screw rod, 9, second sprocket, 10, rectangular block, 11, connecting rod, 12, connecting block, 13, first separation block, 14, second separation block, 15, first rubber layer, 16, first rubber ball, 17, second rubber layer, 18, second rubber ball.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a stop valve capable of being opened and closed in a rotating mode comprises a base 1, a channel 2 communicated with the right side surface is formed in the bottom end surface of the left side of the base 1, a connecting seat 3 is locked at the top end of the base 1 through a bolt, a top seat 4 is welded at the top end of the connecting seat 3, one end of a rocker 5 is connected to the bottom end of the right side of an inner cavity of the top seat 4 in a shaft mode through a bearing, the rocker 5 is enabled to drive a first chain wheel 6 to rotate through rotating the rocker 5 anticlockwise, a second chain wheel 9 is enabled to drive a screw 8 to rotate anticlockwise through the relation that the first chain wheel 6 and a second chain wheel 9 are connected with a chain 7 in a chain mode, a rectangular block 10 is enabled to drive a connecting block 12, a first blocking block 13 and a second blocking block 14 to move upwards through a connecting rod 11, the second blocking block 14 drives a first rubber layer 15 and a first rubber ball 16 to move upwards on the inner side of a second rubber layer 17, and after the, the medium flows from right to left through the channel 2, the other end of the rocker 5 extends out of the inner cavity of the top seat 4, the outer wall interference fit of the rocker 5 is provided with a first chain wheel 6, the outer wall chain of the first chain wheel 6 is connected with a chain 7, the left side of the top end of the inner cavity of the top seat 4 is connected with a screw rod 8 through a bearing shaft, the bottom end of the screw rod 8 extends into the inner cavity of the connecting seat 3, the top end interference fit of the outer wall of the screw rod 8 is provided with a second chain wheel 9 connected with the chain 7, when the rocker 5 is rotated, the rocker 5 is enabled to drive the first chain wheel 6 to rotate, the diameter length of the first chain wheel 6 is smaller than that of the second chain wheel 9, the labor-saving purpose is achieved, the bottom end of the outer wall of the screw rod 8 is in threaded connection with a rectangular block 10, the rocker 5 is enabled to drive the first chain wheel 6 to rotate clockwise through clockwise rotation, The connecting block 12, the first blocking block 13 and the second blocking block 14 move downwards, the second blocking block 14 drives the first rubber layer 15 and the first rubber ball 16 to move towards the inner cavity of the second rubber layer 17, after the first blocking block 13 and the second blocking block 14 move into the inner cavity of the channel 2, the inner cavity of the channel 2 is blocked, a medium is prevented from flowing through the inner cavity of the channel 2, one end of the connecting rod 11 is symmetrically arranged on the left side and the right side of the bottom end of the rectangular block 10, the other end of the connecting rod 11 extends into the inner cavity of the base 1 and is provided with the connecting block 12, the rocker 5 is driven to drive the first chain wheel 6 to rotate by rotating the rocker 5 anticlockwise, the second chain wheel 9 is driven to drive the screw 8 to rotate anticlockwise by the first chain wheel 6 and the chain 7, the rectangular block 10 is driven to drive the connecting block 12, the first blocking block 13 and the second blocking block 14 to move upwards by the connecting rod 11 by the screw 8, the distance between the upper end face of the connecting block 12 and the top end face of the inner, when the connecting block 12 drives the first blocking block 13 and the second blocking block 14 to move upwards, the upper end face of the connecting block 12 is in contact with the top end of the inner cavity of the base 1, so that the first blocking block 13 and the second blocking block 14 cannot move out of the inner cavity of the channel 2, and a medium cannot rapidly circulate from the inner cavity of the channel 2, the first blocking block 13 is welded on the left side of the connecting block 12, the bottom end of the first blocking block 13 extends into the inner cavity of the channel 2, the second blocking block 14 is welded on the right side of the bottom end of the connecting block 12, the bottom end of the second blocking block 14 extends into the inner cavity of the channel 2, the first rubber layer 15 is arranged on the circumferential surface of the outer wall of the second blocking block 14, the first rubber balls 16 are arranged on the circumferential surface of the outer wall of the first rubber layer 15 from top to bottom, and when the connecting block 12 drives the first blocking block 13 and the second blocking block 14 to move downwards, the second blocking block 14 drives the first rubber layer 15 and the first rubber balls 16 to move towards the inner cavity of the second rubber layer 17, through laminating each other and the extrusion of first rubber ball 16 and second rubber ball 18, improve the sealed effect to the inner chamber shutoff of passageway 2, through setting up double seal structure, improve passageway 2's sealed effect, avoid appearing the not enough problem of leakproofness, the inner chamber right side bottom circumferential surface of base 1 is provided with second rubber layer 17, and the inner chamber circumferential surface on second rubber layer 17 all is provided with second rubber ball 18 from last to down.

Preferably, the rocker 5 has a zigzag outer wall shape, the rocker 5 is driven to rotate the first sprocket 6 by rotating the rocker 5 counterclockwise, the second sprocket 9 is driven to rotate the screw 8 counterclockwise by the first sprocket 6 and the second sprocket 9 connected to the chain 7, the rectangular block 10 is driven to move the connecting block 12, the first block 13 and the second block 14 upward by the connecting rod 11 by the screw 8, the first rubber layer 15 and the first rubber ball 16 are driven to move upward on the inner side of the second rubber layer 17 by the second block 14, and when the first block 13 and the second block 14 are moved out of the inner cavity of the channel 2, the medium flows from right to left through the channel 2.

Preferably, the number of the connecting rods 11 is two, the two connecting rods 11 are symmetrically arranged relative to the screw 8, the rocker 5 is driven to drive the first chain wheel 6 to rotate clockwise by rotating the rocker 5 clockwise, the second chain wheel 9 is driven to drive the screw 8 to rotate clockwise by driving the first chain wheel 6 and the chain 7, the rectangular block 10 is driven to drive the connecting rods 11, the connecting blocks 12, the first blocking blocks 13 and the second blocking blocks 14 to move downwards by driving the second chain wheel 8 and the chain 7, the first rubber layer 15 and the first rubber balls 16 to move towards the inner cavity of the second rubber layer 17 by driving the second blocking blocks 14 and the first rubber blocks 13 to move into the inner cavity of the channel 2, and then the inner cavity of the channel 2 is blocked to prevent the medium from flowing through the inner cavity of the channel 2.

Preferably, furthermore, the distance between the upper end surface of the connecting block 12 and the top end of the inner cavity of the base 1 is longer than the width of the channel 2, the rocker 5 is driven to drive the first chain wheel 6 to rotate by rotating the rocker 5 anticlockwise, the second chain wheel 9 is driven to drive the screw rod 8 to rotate anticlockwise by the first chain wheel 6 and the chain 7, the screw 8 drives the rectangular block 10 to drive the connecting block 12, the first blocking block 13 and the second blocking block 14 to move upwards through the connecting rod 11, the distance between the upper end surface of the connecting block 12 and the top end of the inner cavity of the base 1 is longer than the width of the channel 2, when the connecting block 12 drives the first blocking block 13 and the second blocking block 14 to move upwards, the upper end face of the connecting block 12 contacts the top end of the inner cavity of the base 1, so that the first and

second blocking blocks

13 and 14 cannot move out of the inner cavity of the channel 2, and the medium cannot rapidly flow out of the inner cavity of the channel 2.

As a preferred scheme, furthermore, the first rubber balls 16 are arranged on the outer wall of the first rubber layer 15 in a clearance manner, the distance between the upper adjacent first rubber balls 16 and the lower adjacent first rubber balls 16 is 1cm, when the connecting block 12 drives the first blocking block 13 and the second blocking block 14 to move downwards, the second blocking block 14 drives the first rubber layer 15 and the first rubber ball 16 to move towards the inner cavity of the second rubber layer 17, the first rubber balls 16 and the second rubber balls 18 are mutually attached and extruded, the sealing effect of blocking the inner cavity of the channel 2 is improved, and by arranging the double-sealing structure, the sealing effect of the channel 2 is improved, and the problem of insufficient sealing performance is avoided.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, when the device needs to be opened, a user rotates the rocker 5 anticlockwise to enable the rocker 5 to drive the first chain wheel 6 to rotate, the second chain wheel 9 drives the screw rod 8 to rotate anticlockwise through the relation that the first chain wheel 6 and the second chain wheel 9 are connected with the chain 7 in a chain mode, the rectangular block 10 drives the connecting block 12 to move upwards through the connecting rod 11 through the relation that the screw rod 8 is in threaded connection with the rectangular block 10, the connecting block 12 drives the first blocking block 13 and the second blocking block 14 to move upwards, the second blocking block 14 drives the first rubber layer 15 and the first rubber ball 16 to move upwards on the inner side of the second rubber layer 17, when the first blocking block 13 and the second blocking block 14 are moved out of the inner cavity of the channel 2, a medium flows from the right to the left through the channel 2, when the device needs to be closed, the user rotates the rocker 5 clockwise to enable the rocker 5 to drive the first chain wheel 6 to rotate clockwise, the second chain wheel 9 drives the screw rod 8 to rotate clockwise through the chain connection relationship between the first chain wheel 6 and the second chain wheel 9 and the chain 7, the rectangular block 10 drives the connecting rod 11, the connecting block 12, the first blocking block 13 and the second blocking block 14 to move downwards through the screw rod 8, the second blocking block 14 drives the first rubber layer 15 and the first rubber ball 16 to move towards the inner cavity of the second rubber layer 17, after the first blocking block 13 and the second blocking block 14 move into the inner cavity of the channel 2, the inner cavity of the channel 2 is blocked, a medium is prevented from flowing through the inner cavity of the channel 2, the second blocking block 14 drives the first rubber layer 15 and the first rubber ball 16 to move into the inner cavity of the second rubber layer 17, the sealing effect of blocking the inner cavity of the channel 2 is improved through the mutual attaching and extrusion of the first rubber ball 16 and the second rubber ball 18, the device has simple structure and convenient operation and use, the stop valve can be effectively and conveniently opened or closed by a user, and the actual use requirement is better met.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a rotatory stop valve of opening and close, includes base (1), its characterized in that: the device comprises a base (1), a channel (2) communicated with the right side surface is formed in the bottom surface of the left side of the base (1), a connecting seat (3) is locked at the top end of the base (1) through a bolt, a top seat (4) is welded at the top end of the connecting seat (3), one end of a rocker (5) is connected to the right side bottom end of the inner cavity of the top seat (4) in a shaft-coupling mode through a bearing, the other end of the rocker (5) extends out of the inner cavity of the top seat (4), a first chain wheel (6) is arranged on the outer wall of the rocker (5) in an interference fit mode, a chain (7) is connected to the outer wall of the first chain wheel (6) in a chain-coupling mode, a screw rod (8) is connected to the left side of the top end of the inner cavity of the top seat (4) in a shaft-coupling mode through a bearing, the bottom end, the outer wall bottom end of the screw rod (8) is in threaded connection with a rectangular block (10), one end of a connecting rod (11) is symmetrically arranged on the left side and the right side of the bottom end of the rectangular block (10), the other end of the connecting rod (11) extends into an inner cavity of the base (1) and is provided with a connecting block (12), a first blocking block (13) is welded on the left side of the connecting block (12), the bottom end of the first blocking block (13) extends into an inner cavity of the channel (2), a second blocking block (14) is welded on the right side of the bottom end of the connecting block (12), the bottom end of the second blocking block (14) extends into an inner cavity of the channel (2), a first rubber layer (15) is arranged on the outer wall circumferential surface of the second blocking block (14), a first rubber ball (16) is arranged on the outer wall circumferential surface of the first rubber layer (15) from bottom to bottom, a second rubber layer (17) is arranged on the bottom circumferential surface on the right side, and the circumferential surface of the inner cavity of the second rubber layer (17) is provided with second rubber balls (18) from top to bottom.

2. A rotary on-off shut-off valve as claimed in claim 1, wherein: the outer wall of the rocker (5) is Z-shaped.

3. A rotary on-off shut-off valve as claimed in claim 1, wherein: the number of the connecting rods (11) is two, and the two connecting rods (11) are symmetrically arranged relative to the screw rod (8).

4. A rotary on-off shut-off valve as claimed in claim 1, wherein: the distance length between the upper end face of the connecting block (12) and the top end of the inner cavity of the base (1) is larger than the width of the channel (2).

5. A rotary on-off shut-off valve as claimed in claim 1, wherein: the first rubber balls (16) are arranged on the outer wall of the first rubber layer (15) in a clearance mode, and the distance between the upper adjacent first rubber balls (16) and the lower adjacent first rubber balls (16) is 1 cm.