CN209909202U

CN209909202U - Rotary gate valve

Info

Publication number: CN209909202U
Application number: CN201920645719.9U
Authority: CN
Inventors: 黄辉; 许良坤
Original assignee: Zhejiang Water Resources Technology Co Ltd
Current assignee: Zhejiang Water Resources Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-07
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a rotary-type gate valve, the water-cooled double-layer valve comprises a valve body, the inside rigid coupling in top of valve body has the bearing, the inner circle rigid coupling of bearing has the bull stick, the top rigid coupling of bull stick has the carousel, the bottom rigid coupling threaded rod of bull stick, the bottom outer wall threaded connection of threaded rod has the flashboard, the inner wall bottom rigid coupling of valve body has the ring. This rotary-type gate valve, through the bearing, the bull stick, the carousel, the cooperation of threaded rod and flashboard, it can open the valve body fast and seal to have reached, through the body, the bolt, first spring, the montant, the clamp plate, the fixed piece, the cooperation of chock and depression bar, reached and to the depression bar extrusion when the flashboard downstream is closed, can get rid of the inside remaining water in bottom of valve body, the reaction force of first spring inserts the chock inside bottom outer wall of valve body when the flashboard rebound simultaneously and seals, reached and to discharge remaining water fast, can reduce the ageing of flashboard.

Description

Rotary gate valve

Technical Field

The utility model relates to a rotary-type gate valve technical field specifically is a rotary-type gate valve.

Background

The opening and closing piece of the gate valve is a gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be opened fully and closed fully and cannot be adjusted and throttled, the gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate valve form a wedge shape, the wedge angle is different along with the valve parameters and is usually 5 degrees, the medium temperature is 2 degrees and 52 degrees when the medium temperature is not high, the manufacturability is improved, the deviation of the sealing surface angle generated in the processing process is compensated, the gate plate is called an elastic gate plate, when the existing rotary gate valve is closed, water can be remained at the bottom end inside the valve body, the gate plate can be aged after long-term residue, and the service life of the gate plate is.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary-type 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: the utility model provides a rotary-type gate valve, includes the valve body, the inside rigid coupling in top of valve body has the bearing, the inner circle rigid coupling of bearing has the bull stick, the top rigid coupling of bull stick has the carousel, the bottom rigid coupling threaded rod of bull stick, the bottom outer wall threaded connection of threaded rod has the flashboard, the inner wall bottom rigid coupling of valve body has the ring, the bottom lock of valve body has the body, the left and right sides of body passes through the bolt and links to each other with the valve body screw thread, the equal rigid coupling in the inside left and right sides of body has first spring, the top rigid coupling of first spring has the clamp plate, the inside grafting of clamp plate has the montant, the upper and lower both ends and the body of montant are fixed continuously, the inboard rigid coupling of clamp plate has the fixed block, the top rigid coupling of fixed block has the chock, the top.

Preferably, all the rigid coupling of the top left and right sides of valve body has branch, the top rigid coupling of branch has the diaphragm, the outer wall rigid coupling of bull stick has the gear, gear and diaphragm clearance fit, the left side rigid coupling of diaphragm has the extension board, the inside left side rigid coupling of extension board has the second spring, the right side rigid coupling of second spring has the inserted bar, the left side center department rigid coupling of inserted bar has the pull rod, pull rod and extension board clearance fit, the left side rigid coupling of pull rod has the piece of drawing, the inserted bar links to each other with the gear grafting.

Preferably, the inner wall of the pulling block is fixedly connected with a friction block.

Preferably, the outer wall of the rotating disc is sleeved with a rubber sleeve.

Preferably, the outer wall of the bottom end of the bolt is provided with grinding grains.

Preferably, a backing plate is fixedly connected to the top end of the pressure lever.

Compared with the prior art, the beneficial effects of the utility model are that: this rotary-type gate valve, through the bearing, the bull stick, the carousel, the cooperation of threaded rod and flashboard, it can open the valve body fast and seal to have reached, through the body, the bolt, first spring, the montant, the clamp plate, the fixed piece, the cooperation of chock and depression bar, reached and to the depression bar extrusion when the flashboard downstream is closed, can get rid of the inside remaining water in bottom of valve body, the reaction force of first spring inserts the chock inside bottom outer wall of valve body when the flashboard rebound simultaneously and seals, reached and to discharge remaining water fast, can reduce the ageing of flashboard.

Drawings

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

FIG. 2 is a schematic view of the connection of the plunger and the plunger of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the first spring, the vertical rod and the pressing plate in FIG. 1;

fig. 4 is a schematic view of the connection structure of fig. 1 with the enlarged insertion rod position.

In the figure: 1. the valve body, 2, the bearing, 3, the bull stick, 4, the carousel, 5, the rubber sleeve, 6, the threaded rod, 7, the flashboard, 8, the ring, 9, the body, 10, the bolt, 11, the mill line, 12, first spring, 13, the montant, 14, the clamp plate, 15, the stator, 16, the chock, 17, the depression bar, 18, the backing plate, 19, branch, 20, the diaphragm, 21, the gear, 22, the extension board, 23, the second spring, 24, the inserted bar, 25, the pull rod, 26, the pull block, 27, the clutch blocks.

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: the utility model provides a rotary-type gate valve, including valve body 1, the inside rigid coupling in top of valve body 1 has bearing 2, the inner circle rigid coupling of bearing 2 has bull stick 3, bull stick 3 rotates through bearing 2, the top rigid coupling of bull stick 3 has carousel 4, it can make bull stick 3 rotate to rotate carousel 4, the bottom rigid coupling of bull stick 3 has threaded rod 6, bull stick 3 rotates and drives threaded rod 6 and rotate, threaded rod 6's bottom outer wall threaded connection has flashboard 7, threaded rod 6 rotates and to drive flashboard 7 and reciprocate, the inner wall bottom rigid coupling of valve body 1 has ring 8, ring 8 has played spacing work, the bottom lock of valve body 1 has body 9, bolt 10 and valve body 1 threaded connection are passed through to the left and right sides of body 9, it can be with body 9 threaded connection's bottom of valve body 1 to rotate bolt 10, the equal rigid coupling in the inside left and right sides of body 9 has first spring 12, first spring 12's elastic coefficient is: 10N/CM-100N/CM, a pressing plate 14 is fixedly connected to the top end of a first spring 12, the pressing plate 14 can extrude the first spring 12, a vertical rod 13 is inserted into the pressing plate 14, the pressing plate 14 can slide up and down on the outer wall of the vertical rod 13, the upper end and the lower end of the vertical rod 13 are fixedly connected with a tube body 9, a fixed block 15 is fixedly connected to the inner side of the pressing plate 14, a chock 16 is fixedly connected to the top end of the fixed block 15, the chock 15 can fix the chock 16, a pressure lever 17 is fixedly connected to the top end of the chock 16, the pressure lever 7 can extrude the pressure lever 17, supporting rods 19 are fixedly connected to the left side and the right side of the top end of the valve body 1, a transverse plate 20 is fixedly connected to the top end of the supporting rod 19, the transverse plate 20 is fixed by the supporting rods 19, a gear 21 is fixedly connected to the outer wall of the rotary rod 3, the rotary rod 3 rotates to, the left side rigid coupling of diaphragm 20 has a extension board 22, and the inside left side rigid coupling of extension board 22 has second spring 23, and second spring 23's elastic coefficient is: 10N/CM-50N/CM, the right side of second spring 23 is fixedly connected with inserted link 24, inserted link 24 can extrude second spring 23, the left center of inserted link 24 is fixedly connected with pull rod 25, pull rod 25 can make inserted link 24 extrude second spring 23, pull rod 25 and extension board 22 clearance fit, pull rod 25 can move about in extension board 22, the left side of pull rod 25 is fixedly connected with pull block 26, pull block 26 can pull rod 25, inserted link 24 is connected with gear 21 in an inserting manner, can prevent gear 21 from rotating, the inner wall of pull block 26 is fixedly connected with friction block 27, the outer wall of carousel 4 is cup jointed with rubber sleeve 5, the outer wall of the bottom end of bolt 10 is processed with wear 11, the top of depression bar 17 is fixedly connected with backing plate 18.

When the rotary gate valve is used, a user connects the valve body 1 with a pipeline to be connected, the pipeline in the embodiment is a conventional pipeline which is used after being connected, when the valve body 1 is required to be opened, the user rotates the rotary disc 4, the rotary disc 4 drives the rotary rod 3 to rotate when rotating, the rotary rod 3 rotates through the bearing 2, the rotary rod 3 rotates to drive the threaded rod 6 to rotate inside the flashboard 7, the threaded rod 6 moves upwards when the flashboard 7 rotates, the flashboard 7 cancels extrusion on the pressing plate 17 when moving upwards, after the extrusion is cancelled, the pressing plate 14 is pushed upwards by the reaction of the first spring 12 under the action of the first spring 12, the pressing plate 14 drives the fixed block 15 to move upwards when moving upwards, the fixed block 15 moves upwards, the fixed block 15 drives the plug block 16 to be inserted into the outer wall of the valve body 1 when moving upwards, a closed state is carried out, the opening work is completed, when the valve body 1 is required to be closed, the user rotates carousel 4 to the opposite direction, makes flashboard 7 move down and carries out the closure state with valve body 1 when carousel 4 antiport, moves down to depression bar 17 when flashboard 7 moves down, and depression bar 17 moves down makes chock 16 follow the inside roll-off in bottom of valve body 1, and the inside residual water in bottom of valve body 1 is discharged.

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 shown 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; 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. A rotary gate valve comprises a valve body (1), and is characterized in that: the inner fixed connection of the top end of the valve body (1) is provided with a bearing (2), the inner ring fixed connection of the bearing (2) is provided with a rotating rod (3), the top fixed connection of the rotating rod (3) is provided with a turntable (4), the bottom fixed connection of the rotating rod (3) is provided with a threaded rod (6), the bottom outer wall of the threaded rod (6) is in threaded connection with a flashboard (7), the inner wall bottom fixed connection of the valve body (1) is provided with a ring (8), the bottom end of the valve body (1) is buckled with a pipe body (9), the left side and the right side of the pipe body (9) are in threaded connection with the valve body (1) through bolts (10), the left side and the right side of the inside of the pipe body (9) are fixedly connected with first springs (12), the top fixed connection of the first springs (12) is provided with a pressing plate (14), the inside of the pressing plate (14) is spliced with, the inboard rigid coupling of clamp plate (14) has decides piece (15), the top rigid coupling of deciding piece (15) has chock (16), the top rigid coupling of chock (16) has depression bar (17).

2. A rotary-type gate valve according to claim 1, wherein: the equal rigid coupling in top left and right sides of valve body (1) has branch (19), the top rigid coupling of branch (19) has diaphragm (20), the outer wall rigid coupling of bull stick (3) has gear (21), gear (21) and diaphragm (20) clearance fit, the left side rigid coupling of diaphragm (20) has extension board (22), the inside left side rigid coupling of extension board (22) has second spring (23), the right side rigid coupling of second spring (23) has inserted bar (24), the left side center department rigid coupling of inserted bar (24) has pull rod (25), pull rod (25) and extension board (22) clearance fit, the left side rigid coupling of pull rod (25) has pull block (26), inserted bar (24) link to each other with gear (21) grafting.

3. A rotary-type gate valve according to claim 2, wherein: and a friction block (27) is fixedly connected to the inner wall of the pulling block (26).

4. A rotary-type gate valve according to claim 1, wherein: the outer wall of the rotary table (4) is sleeved with a rubber sleeve (5).

5. A rotary-type gate valve according to claim 1, wherein: the outer wall of the bottom end of the bolt (10) is provided with grinding grains (11).

6. A rotary-type gate valve according to claim 1, wherein: the top end of the pressure lever (17) is fixedly connected with a backing plate (18).