CN212004294U

CN212004294U - Novel butterfly valve

Info

Publication number: CN212004294U
Application number: CN202020033160.7U
Authority: CN
Inventors: 黄爱东
Original assignee: Qidong Tengda Valve Co ltd
Current assignee: Qidong Tengda Valve Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-11-24
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a novel butterfly valve, which comprises a valve body, wherein a connecting box is fixedly arranged at the top of the valve body, the right end at the bottom of an inner cavity of the connecting box is rotatably connected with a connecting rod, a driving gear is sleeved outside the connecting rod, a driven gear is meshed on the left side of the driving gear, a driving rod is sleeved inside the driven gear, a valve plate is sleeved at the lower end outside the driving rod, and a second telescopic rod is fixedly arranged on the surface of the valve plate; the utility model discloses a setting of valve plate, connecting seat, first buffer board, first telescopic link, first spring, connecting plate, magnetic sheet, discharge orifice, second spring, second telescopic link and second buffer board, it is poor to have solved current butterfly valve protecting effect, because be in for a long time under the impact of stronger pressure can very big reduction its life, not only can influence its sealed and control effect, appear damaging in addition easily to lead to the problem of its velocity of flow of uncontrollable.

Description

Novel butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is novel butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.

But the protection effect of the existing butterfly valve is poor, and the service life of the butterfly valve can be greatly shortened due to the impact of strong pressure for a long time, so that the sealing and control effects of the butterfly valve can be influenced, and the butterfly valve is easy to damage, thereby resulting in the incapability of controlling the flow rate of the butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel butterfly valve possesses the good advantage of protecting effect, and it is poor to have solved current butterfly valve protecting effect, because be in for a long time under the impact of stronger pressure can be very big reduce its life, not only can influence its sealed and control effect, appears damaging in addition easily to lead to the problem of its velocity of flow of uncontrollable.

In order to achieve the above object, the utility model provides a following technical scheme: the novel butterfly valve comprises a valve body, wherein a connecting box is fixedly installed at the top of the valve body, a connecting rod is rotatably connected to the right end of the bottom of an inner cavity of the connecting box, a driving gear is sleeved on the outer side of the connecting rod, a driven gear is meshed on the left side of the driving gear, a driving rod is sleeved on the inner side of the driven gear, a valve plate is sleeved at the lower end of the outer side of the driving rod, a second telescopic rod is fixedly installed on the surface of the valve plate, a second spring is welded on the surface of the valve plate and positioned on the outer side of the second telescopic rod, a second buffer plate is welded on the surfaces of the second spring and the second telescopic rod, connecting seats are fixedly installed at the top and the bottom of the inner cavity of the valve body, a first buffer plate is slidably connected to the right end of the inner cavity, the connecting device comprises a connecting seat, a first telescopic rod, a connecting plate and a magnetic plate, wherein the first telescopic rod is welded to the outer side of the first telescopic rod, the outer side of the first telescopic rod is welded to the upper end and the lower end of the left side of the connecting seat and the upper end and the lower end of the right side of the first buffer plate, the connecting plate is fixedly installed on the inner side of the first spring and the inner.

Preferably, the bottom of the connecting rod is supported by a first bearing and a bottom bearing of the connecting box, and the top of the driving rod is supported by a second bearing and a top bearing of the connecting box.

Preferably, the bottom of the driving rod is supported by a third bearing and a top bearing of a bottom connecting seat, and the outer side of the connecting seat is fixedly installed in an inner cavity of the valve body.

Preferably, the top and the bottom of valve body inner chamber right-hand member have all seted up the spout, the inner chamber sliding connection of spout has the slider, the inboard of slider and the top and the bottom fixed mounting of first buffer board.

Preferably, the right-hand member threaded connection at connecting box top has the threaded rod, the screw thread mouth has been seted up to the right-hand member at connecting box top, the bottom fixed mounting of threaded rod has the fixed block.

Preferably, the outer sides of the left end and the right end of the valve body are fixedly provided with connecting discs, and the outer sides of the connecting discs are provided with connecting ports.

Preferably, a sealing bearing is embedded in the top of the valve body, and the outer side of the driving rod is supported by an inner side bearing of the sealing bearing.

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

1. the utility model discloses a valve plate, the connecting seat, first buffer board, first telescopic link, first spring, the connecting plate, the magnetic sheet, the discharge orifice, the second spring, the setting of second telescopic link and second buffer board, can effectually be used for improving its protecting effect, in order to avoid inside because of pressure is stronger and rivers are great to cause the damage to it, thereby its life has been guaranteed, it is poor to have solved current butterfly valve protecting effect, because be in its life of reduction that can be very big under the impact of stronger pressure for a long time, not only can influence its sealed and control effect, and the damage appears easily, thereby lead to the problem of its velocity of flow of uncontrollable.

2. The utility model discloses a setting of first bearing and second bearing can be used for supporting connecting rod and actuating lever to assist it to rotate, in order to guarantee its steady operation, through the setting of third bearing, can be used for supporting the bottom of actuating lever, and increase its pivoted stability, through the setting of spout and slider, can be used for assisting first buffer board and slide, thereby increase the effect of buffering protection.

3. The utility model discloses a setting of threaded rod, fixed block and screw thread mouth can be used for carrying on spacingly to the driving gear after rotating to prevent that it from driving the valve plate because of pressure and rotating, through the setting of connection pad and connector, can be used for being connected the contact with external pipeline, and increase the compactness of its connection, through sealed bearing's setting, can be used for making to seal up waterproof seepage between actuating lever and the valve body, be used for assisting the actuating lever to rotate simultaneously.

Drawings

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

FIG. 2 is a partial right side view of the first baffle of the present invention;

FIG. 3 is a partial side view of a second baffle of the present invention;

FIG. 4 is a partial side view of the connection pad of the present invention;

fig. 5 is a top view of the driving gear of the present invention.

In the figure: 1. a valve body; 2. a connection box; 3. a connecting rod; 4. a driving gear; 5. a driven gear; 6. a drive rod; 7. a valve plate; 8. a connecting seat; 9. a threaded rod; 10. a fixed block; 11. a first buffer plate; 12. a first telescopic rod; 13. a first spring; 14. a connecting plate; 15. a magnetic plate; 16. a slider; 17. an orifice; 18. a chute; 19. a second spring; 20. a second telescopic rod; 21. a second buffer plate; 22. and (7) connecting the disc.

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. 1-5, the novel butterfly valve comprises a valve body 1, a connecting box 2 is fixedly installed on the top of the valve body 1, a connecting rod 3 is rotatably connected to the right end of the bottom of an inner cavity of the connecting box 2, a driving gear 4 is sleeved on the outer side of the connecting rod 3, a driven gear 5 is meshed on the left side of the driving gear 4, a driving rod 6 is sleeved on the inner side of the driven gear 5, a valve plate 7 is sleeved on the lower end of the outer side of the driving rod 6, a second telescopic rod 20 is fixedly installed on the surface of the valve plate 7, a second spring 19 is welded on the surface of the valve plate 7 and on the outer side of the second telescopic rod 20, a second buffer plate 21 is welded on the surfaces of the second spring 19 and the second telescopic rod 20, connecting seats 8 are fixedly installed on the top and the bottom of the inner cavity of the valve body 1, a first buffer plate 11 is slidably connected, the upper end and the lower end on the left side of the connecting seat 8, the upper end and the lower end on the right side of the first buffer plate 11 and the outer side of the first telescopic rod 12 are welded with a first spring 13, the connecting plate 14 is fixedly arranged on the inner sides of the first spring 13 and the first telescopic rod 12, the magnetic plate 15 is fixedly arranged on the inner side of the connecting plate 14, the protective effect of the butterfly valve can be effectively improved through the arrangement of the valve plate 7, the connecting seat 8, the first buffer plate 11, the first telescopic rod 12, the first spring 13, the connecting plate 14, the magnetic plate 15, the flow hole 17, the second spring 19, the second telescopic rod 20 and the second buffer plate 21, so that the butterfly valve can avoid the damage to the butterfly valve due to stronger pressure and larger water flow inside the butterfly valve, the service life of the butterfly valve is ensured, the problem that the existing butterfly valve has poor protective effect is solved, the service life of, and is easily damaged, thereby causing a problem that the flow rate thereof cannot be controlled.

In this embodiment, it is concrete, the bottom of connecting rod 3 is supported through the bottom bearing of first bearing with connection box 2, and the top of actuating lever 6 is supported through the top bearing of second bearing with connection box 2, can be used for supporting connecting rod 3 and actuating lever 6 to supplementary it rotates, in order to guarantee its steady operation.

In this embodiment, specifically, the bottom of the driving rod 6 is supported by the top bearing of the third bearing and the bottom connecting seat 8, and the outer side of the connecting seat 8 and the inner cavity of the valve body 1 are fixedly mounted, so that the bottom of the driving rod 6 can be supported, and the stability of rotation of the driving rod is improved.

In this embodiment, it is concrete, spout 18 has all been seted up with the bottom at the top of 1 inner chamber right-hand member of valve body, and the inner chamber sliding connection of spout 18 has slider 16, and slider 16's inboard and first buffer board 11's top and bottom fixed mounting can be used for supplementary first buffer board 11 to slide to increase the effect of buffering protection.

In this embodiment, it is concrete, the right-hand member threaded connection at connecting box 2 top has threaded rod 9, and the screw thread mouth has been seted up to the right-hand member at connecting box 2 top, and the bottom fixed mounting of threaded rod 9 has fixed block 10, can be used for spacing driving gear 4 after the rotation to prevent that it from driving valve plate 7 to rotate because of pressure.

In this embodiment, specifically, the connection disc 22 is fixedly installed on the outer sides of the left end and the right end of the valve body 1, and the connection port is formed on the outer side of the connection disc 22 and can be used for being connected and contacted with an external pipeline, and the connection tightness is improved.

In this embodiment, specifically, the top of the valve body 1 is embedded with a sealing bearing, and the outside of the driving rod 6 is supported by the inside bearing of the sealing bearing, so that the driving rod 6 and the valve body 1 can be sealed to prevent water leakage, and meanwhile, the driving rod 6 is used for assisting in rotating.

The working principle is as follows: when the valve plate 7 is rotated, water current flows in from the right side of the valve body 1, then the first buffer plate 11 is impacted by pressure and impact force of the water current, and the water current penetrates through the first buffer plate 11 through the flow hole 17, at this time, the first buffer plate 11 is moved after being stressed, the two magnetic plates 15 are close to each other, repulsion force is generated by the first buffer plate and the first telescopic rod 12 and the first spring 13 are pressed by force, the first spring 13 can be buffered and protected by toughness of the first spring 13, when the valve plate 7 is closed, the water current and the pressure are large, discharge cannot be carried out, then the second spring 19 and the second telescopic rod 20 are pressed, and the second spring 19 can be buffered and protected by toughness of the second spring 19, so that stable operation of the valve plate is ensured, and the valve plate is prevented from being damaged.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, and the structure and principle of the parts known by the skilled person can be known by the technical manual or by the conventional experimental method.

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. Novel butterfly valve, including valve body (1), its characterized in that: the valve is characterized in that a connecting box (2) is fixedly mounted at the top of the valve body (1), a connecting rod (3) is rotatably connected at the right end of the bottom of an inner cavity of the connecting box (2), a driving gear (4) is sleeved on the outer side of the connecting rod (3), a driven gear (5) is meshed on the left side of the driving gear (4), a driving rod (6) is sleeved on the inner side of the driven gear (5), a valve plate (7) is sleeved on the lower end of the outer side of the driving rod (6), a second telescopic rod (20) is fixedly mounted on the surface of the valve plate (7), a second spring (19) is welded on the surface of the valve plate (7) and positioned on the outer side of the second telescopic rod (20), a second buffer plate (21) is welded on the surface of the second spring (19) and the surface of the second telescopic rod (20), and a, the valve body (1) right-hand member sliding connection of inner chamber has first buffer board (11), the equal fixed mounting in both ends about both ends and first buffer board (11) right side has first telescopic link (12) about connecting seat (8) left, the outside welding that just is located first telescopic link (12) at both ends about connecting seat (8) left and upper and lower both ends and first buffer board (11) right side has first spring (13), the inboard fixed mounting of first spring (13) and first telescopic link (12) has connecting plate (14), the inboard fixed mounting of connecting plate (14) has magnetic sheet (15).

2. The novel butterfly valve of claim 1, wherein: the bottom of connecting rod (3) is supported through the bottom bearing of first bearing with connection box (2), the top of actuating lever (6) is supported through the top bearing of second bearing with connection box (2).

3. The novel butterfly valve of claim 1, wherein: the bottom of the driving rod (6) is supported by a top bearing of a bottom connecting seat (8) through a third bearing, and the outer side of the connecting seat (8) is fixedly installed with the inner cavity of the valve body (1).

4. The novel butterfly valve of claim 1, wherein: the top and the bottom of valve body (1) inner chamber right-hand member have all been seted up spout (18), the inner chamber sliding connection of spout (18) has slider (16), the inboard and the top and the bottom fixed mounting of first buffer board (11) of slider (16).

5. The novel butterfly valve of claim 1, wherein: the right-hand member threaded connection at connecting box (2) top has threaded rod (9), the screw thread mouth has been seted up to the right-hand member at connecting box (2) top, the bottom fixed mounting of threaded rod (9) has fixed block (10).

6. The novel butterfly valve of claim 1, wherein: the outer sides of the left end and the right end of the valve body (1) are fixedly provided with connecting discs (22), and the outer sides of the connecting discs (22) are provided with connecting ports.

7. The novel butterfly valve of claim 1, wherein: the top of the valve body (1) is embedded with a sealing bearing, and the outer side of the driving rod (6) is supported by an inner side bearing of the sealing bearing.