CN211231616U

CN211231616U - Convenient-to-open and-close screw rod for valve

Info

Publication number: CN211231616U
Application number: CN201922400746.2U
Authority: CN
Inventors: 吴进武; 幸华松
Original assignee: Shanghai East Well Valve Co ltd
Current assignee: Shanghai East Well Valve Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-11
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a convenient hob of switching for valve, which comprises a valve body, the top and the bottom of valve body are fixedly connected with upper tube body and lower body respectively, upper tube body and lower body all communicate each other with the inner chamber of valve body, just spacing hole has been seted up at the top center of upper tube body, the body of rod has been inserted in the spacing hole, the top fixedly connected with of the body of rod revolves the piece, the bottom of body of rod has been seted up down with body of rod matched with locating hole, insert in the locating hole the bottom of the body of rod, just the pole body fixedly connected with sleeve pipe of the body of rod, sheathed tube outer wall fixedly connected with dog, the dog is located the inner chamber of valve body. The utility model has the characteristics of structural design is reasonable, and stability is high, and helical drive is effectual, the easy switching of valve etc.

Description

Convenient-to-open and-close screw rod for valve

Technical Field

The utility model relates to the technical field of valves, specifically be a convenient hob of switching for valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

When the valve is used, the valve is generally opened and closed through the spiral transmission of the rod body so as to control the flow and the speed of fluid, and the existing valve is easy to be blocked by the spiral transmission of the rod body due to the structural design when the water pressure of an inner cavity is larger, so that the normal opening and closing of the valve are influenced, and therefore the improvement of the valve is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's valve body of rod screw drive and receiving the hindrance easily to influence the defect of valve switching, provide a convenient hob of switching for the valve. The screw rod convenient to open and close for the valve has the advantages of being reasonable in structural design, high in stability, good in spiral transmission effect, easy to open and close and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient hob of switching for valve, includes the valve body, the top and the bottom of valve body are fixedly connected with upper tube body and lower tube body respectively, upper tube body and lower tube body all communicate each other with the inner chamber of valve body, just spacing hole has been seted up at the top center of upper tube body, the body of rod has been inserted in the spacing hole, the top fixedly connected with of the body of rod revolves the piece, the bottom of body of rod has seted up down with body of rod matched with locating hole, insert to the locating hole in the bottom of the body of rod, just the pole body fixedly connected with sleeve pipe of the body of rod, sheathed tube outer wall fixedly connected with dog, the dog is located the inner chamber of.

Preferably, the check block is circular, the diameter of the check block is equal to the diameter of the inner cavity of the valve body, and the thickness of the check block is larger than the pipe diameters of the upper pipe body and the lower pipe body.

Preferably, the outer wall surface of the stop block is provided with a layer of sealing ring, the sealing ring is of a rubber ring structure, and the thickness of the sealing ring is 2-3 mm.

Preferably, the equal fixedly connected with transmission piece of sheathed tube both sides pole body, the terminal fixedly connected with driving plate of transmission piece, the lateral wall fixed surface that the driving plate is close to dog one side is connected with a plurality of fixture block, a plurality of and fixture block matched with draw-in groove have been seted up on the surface of dog, the draw-in groove is located same straight line with the center of fixture block.

Preferably, the top and the bottom pole body of the pole body are respectively fixedly connected with an upper limiting block and a lower limiting block, the upper limiting block and the lower limiting block are both circular and are respectively positioned in the inner cavities of the upper tube body and the lower tube body, and the diameters of the upper limiting block and the lower limiting block are respectively equal to the diameters of the inner cavities of the upper tube body and the lower tube body.

Preferably, the rod body cover of the rod body is equipped with spacing pipe, spacing pipe is located the inner chamber of last body, and the equal fixedly connected with dead lever of its both sides pipe wall, the terminal fixed connection of dead lever is at the inner wall of last body.

Preferably, the rotary block is circular, an arc-shaped groove is formed in the side wall of the rotary block, and herringbone anti-skidding lines are carved in the arc-shaped groove.

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

1. the structure design is reasonable, the stop block can be driven to deflect through the spiral transmission of the rod body, and the flow rate and the speed of fluid in the inner cavity of the valve body can be controlled according to different rotation angles of the stop block so as to realize the opening and closing of the valve body;

2. when the sleeve rotates, the transmission plate can be driven by the transmission block to perform spiral transmission together, and the transmission plate applies pressure to the stop block through the mutual matching between the fixture block and the clamping groove when performing spiral transmission, so that the stop block can deflect more easily, and the valve is more convenient to open and close;

3. the stability is high, the rod body can be limited through the upper limiting block and the lower limiting block so as to be prevented from moving up and down during spiral transmission, and the stability of the rod body can be improved by utilizing the limiting pipe so as to be prevented from shaking during spiral transmission;

4. the leakproofness is good, can fill the gap between dog and the valve body inner chamber through the sealing washer to improve the leakproofness of valve body, overflow from the gap with the fluid to avoid.

Drawings

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

FIG. 2 is a schematic side view of the stopper;

fig. 3 is a top view of the stopper.

Reference numbers in the figures: 1. a valve body; 2. a pipe body is arranged; 3. a lower pipe body; 4. a limiting hole; 5. a rod body; 6. rotating the block; 7. positioning holes; 8. a sleeve; 9. a stopper; 10. a seal ring; 11. a transmission block; 12. a drive plate; 13. a clamping block; 14. a card slot; 15. an upper limit block; 16. a lower limiting block; 17. a limiting pipe; 18. and (5) fixing the rod.

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. 1-3, the present invention provides a technical solution: a valve screw rod convenient to open and close comprises a valve body 1, wherein the top and the bottom of the valve body 1 are fixedly connected with an upper pipe body 2 and a lower pipe body 3 respectively, the upper pipe body 2 and the lower pipe body 3 are communicated with an inner cavity of the valve body 1, a limiting hole 4 is formed in the center of the top of the upper pipe body 2, a rod body 5 is inserted into the limiting hole 4, a rotary block 6 is fixedly connected to the top end of the rod body 5, the rotary block 6 is circular, an arc-shaped groove is formed in the side wall of the rotary block 6, fingers can be attached to the arc-shaped groove when holding the rotary block 6, herringbone anti-skidding lines are engraved in the arc-shaped groove, the friction force between hands and the rotary block 6 can be increased to prevent skidding, a positioning hole 7 matched with the rod body 5 is formed in the bottom of the lower pipe body 3, the bottom end of the rod body 5 is inserted into the positioning hole 7, the top end and the bottom end of the rod body 5 are, the inner cavities of the upper tube body 2 and the lower tube body 3 are respectively positioned, the diameters of the inner cavities are respectively equal to the diameters of the inner cavities of the upper tube body 2 and the lower tube body 3, the rod body 5 can be limited by the upper limiting block 15 and the lower limiting block 16 to prevent the rod body 5 from moving up and down during screw transmission, the rod body sleeve of the rod body 5 is provided with the limiting tube 17, the limiting tube 17 is positioned in the inner cavity of the upper tube body 2, the tube walls at two sides of the limiting tube 17 are fixedly connected with fixing rods 18, the tail end of each fixing rod 18 is fixedly connected with the inner wall of the upper tube body 2, the stability of the rod body 5 can be improved by the limiting tube 17 to prevent the rod body 5 from shaking during screw transmission, the rod body of the rod body 5 is fixedly connected with a sleeve 8, the outer wall of the sleeve 8 is fixedly connected with a stop block 9, the stop 9 is positioned in the inner cavity of, the thickness of the stop block 9 is larger than the pipe diameter of the upper pipe body 2 and the lower pipe body 3, which can prevent the fluid from entering the inner cavity of the upper pipe body 2 and the lower pipe body 3 to cause the overflow of the fluid, the outer wall surface of the stop block 9 is provided with a layer of sealing ring 10, the sealing ring 10 is of a rubber ring structure, the thickness of the sealing ring is 2-3 mm, the sealing ring has elasticity, the gap between the stop block 9 and the inner cavity of the valve body 1 can be filled, so as to improve the tightness of the valve body 1 to prevent the fluid from overflowing from the gap, the rod bodies at the two sides of the sleeve 8 are fixedly connected with the transmission blocks 11, the tail ends of the transmission blocks 11 are fixedly connected with the transmission plates 12, the side wall surface of the transmission plate 12 close to one side of the stop block 9 is fixedly connected with a plurality of clamping grooves 14 matched with the clamping blocks 13, the clamping grooves 14 and the centers of the clamping blocks 13 are positioned, so that the valve body can be deflected more easily, and the valve body 1 is convenient to open and close.

The working principle is as follows: the utility model discloses when using, hold and rotate rotary block 6 and make it drive the body of rod 5 and take place the spiral and rotate, when the body of rod 5 rotates, accessible sleeve pipe 8 drives dog 9 and takes place to deflect together, when dog 9 takes place to deflect, according to its turned angle's difference, fluid flow and speed in the 1 inner chamber of steerable valve body, in order to realize the switching of valve body 1, when sleeve pipe 8 pivoted, accessible drive block 11 drives driving plate 12 and takes place the spiral and rotate together, and driving plate 12 exerts pressure to dog 9 through mutually supporting between fixture block 13 and the draw-in groove 14 again when carrying out the spiral and rotating, make its emergence that can be easier deflect, thereby make the switching of this valve more convenient.

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 convenient hob of switching for valve, includes valve body (1), its characterized in that: the top and the bottom of valve body (1) are fixedly connected with upper tube body (2) and lower tube body (3) respectively, upper tube body (2) and lower tube body (3) all communicate with the inner chamber of valve body (1) each other, just spacing hole (4) have been seted up at the top center of upper tube body (2), the body of rod (5) has been inserted in spacing hole (4), the top fixedly connected with of the body of rod (5) revolves piece (6), locating hole (7) with the body of rod (5) matched with have been seted up to the bottom of lower tube body (3), the bottom of the body of rod (5) inserts in locating hole (7), just pole body fixedly connected with sleeve pipe (8) of the body of rod (5), the outer wall fixedly connected with dog (9) of sleeve pipe (8), dog (9) are located the inner chamber of valve body (1).

2. The screw rod for the valve convenient to open and close according to claim 1, wherein: the check block (9) is circular, the diameter of the check block is equal to the diameter of the inner cavity of the valve body (1), and the thickness of the check block (9) is larger than the pipe diameters of the upper pipe body (2) and the lower pipe body (3).

3. The screw rod for the valve convenient to open and close according to claim 1, wherein: the outer wall surface of dog (9) is provided with one deck sealing washer (10), sealing washer (10) are the rubber circle structure, and its thickness is 2 ~ 3 mm.

4. The screw rod for the valve convenient to open and close according to claim 1, wherein: the utility model discloses a sleeve pipe, including the equal fixedly connected with transmission piece (11) of both sides pole body of sleeve pipe (8), the terminal fixedly connected with driving plate (12) of transmission piece (11), driving plate (12) are close to lateral wall fixed surface of dog (9) one side and are connected with a plurality of fixture block (13), a plurality of and fixture block (13) matched with draw-in groove (14) have been seted up on the surface of dog (9), draw-in groove (14) are located same straight line with the center of fixture block (13).

5. The screw rod for the valve convenient to open and close according to claim 1, wherein: the top and the bottom pole body of the pole body (5) are fixedly connected with upper limiting block (15) and lower limiting block (16) respectively, upper limiting block (15) and lower limiting block (16) are circular, are located the inner chambers of upper tube body (2) and lower tube body (3) respectively, and the diameters of the inner chambers are equal to the diameters of the inner chambers of upper tube body (2) and lower tube body (3) respectively.

6. The screw rod for the valve convenient to open and close according to claim 1, wherein: the pole body cover of the body of rod (5) is equipped with spacing pipe (17), spacing pipe (17) are located the inner chamber of last body (2), and the equal fixedly connected with dead lever (18) of its both sides pipe wall, the terminal fixed connection of dead lever (18) is at the inner wall of last body (2).

7. The screw rod for the valve convenient to open and close according to claim 1, wherein: the rotary block (6) is circular, an arc-shaped groove is formed in the side wall of the rotary block, and herringbone anti-skidding lines are carved in the arc-shaped groove.