CN220488314U

CN220488314U - Butterfly valve for water supply system

Info

Publication number: CN220488314U
Application number: CN202322087169.2U
Authority: CN
Inventors: 董年益; 窦富平
Original assignee: Ropo Valve Yixing Co ltd
Current assignee: Ropo Valve Yixing Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-13
Anticipated expiration: 2033-08-04

Abstract

The utility model relates to the field of valves and discloses a butterfly valve for a water supply system, which comprises a valve body, wherein the upper end of the valve body is fixedly connected with a valve seat, a valve plate is rotatably installed in the valve body, the upper end of the valve plate is fixedly connected with a valve rod, the upper end of the valve rod is fixedly connected with a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, the middle part of the second bevel gear is fixedly connected with a driving shaft, the outer side of the valve rod is fixedly connected with a first anti-slip tooth, the outer side of the valve rod is provided with an arc plate, the inner side of the arc plate is fixedly provided with a second anti-slip tooth, the arc plate is provided with a driving mechanism, the lower end of the second bevel gear is provided with an oil brush, the lower end of the oil brush is provided with an oil box, the lower end of the oil brush is fixedly connected with a connecting rod, and the side wall of the valve seat is provided with a through groove. The utility model can lock the butterfly valve from multiple directions and reduce the use of lubricating oil.

Description

Butterfly valve for water supply system

Technical Field

The utility model relates to the field of valves, in particular to a butterfly valve for a water supply system.

Background

The water supply system is a system which is more indispensable in modern life, the water supply system can convey domestic and production water to all places, water is supplied through a water supply pipeline, a regulating valve is arranged on the water supply pipeline and used for controlling the flow, the butterfly valve is a common regulating valve, the butterfly valve is also called a flap valve, the butterfly valve is a regulating valve with a simple structure, the control part of the butterfly valve is a disc-shaped valve plate, and the valve plate is driven to rotate through a valve rod, so that the opening and closing of the valve are controlled.

Through retrieving discovery publication number CN218894971U a high performance ceramic butterfly valve, the locking of this butterfly valve is accomplished in inserting movable through-hole through L shape inserted bar, have the defect through this kind of locking, through this kind of mode locking, can accomplish the locking only after L shape inserted bar aligns with movable through-hole, the direction of locking is very limited, the valve plate can not lock in a plurality of angles, in addition, be provided with the oil storage container on the device, drip lubricating oil through connecting pipe and flow divider and carry out lubrication on first sector gear and second sector gear, this kind of drip lubricating oil's mode, easily cause the waste of lubricating oil, for this reason, the problem that presents in the above-mentioned background art, one skilled in the art proposes a butterfly valve for water supply system.

Disclosure of Invention

The utility model mainly aims to provide a butterfly valve for a water supply system, which can effectively solve the problems that the locking direction of the conventional butterfly valve provided in the background art is single and lubricating oil is easy to waste.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a butterfly valve for water supply system, includes the valve body, the upper end fixedly connected with disk seat of valve body, the valve plate is installed to the valve body internal rotation, the upper end fixedly connected with valve rod of valve plate, the upper end fixedly connected with first bevel gear of valve rod, one side meshing of first bevel gear has the second bevel gear, the middle part fixedly connected with drive shaft of second bevel gear, the outside fixedly connected with first anti-skidding tooth of valve rod, the outside of valve rod is provided with the arc, the inboard of arc is fixedly provided with second anti-skidding tooth, be provided with actuating mechanism on the arc, the lower extreme of second bevel gear is provided with the brush, the lower extreme of brush is provided with the oil box, the lower extreme fixedly connected with connecting rod of brush, the logical groove has been seted up on the lateral wall of disk seat.

Preferably, the arc is provided with two altogether, two the arc symmetry sets up in the both sides of valve rod, first anti-skidding tooth and second anti-skidding tooth mutually support and set up.

Preferably, the driving mechanism comprises a first threaded rod, the first threaded rod is rotatably installed in the valve seat through a bearing, two sections of external threads are formed on the first threaded rod, the spiral directions of the two sections of external threads are opposite, and the two arc plates are respectively in threaded connection with the two sections of external threads on the first threaded rod.

Preferably, the end part of the first threaded rod penetrates out of the valve seat to be fixedly connected with a handle, the arc-shaped plate is connected with a limiting rod in a sliding mode, and the limiting rod is fixedly connected in the valve seat.

Preferably, the outside fixedly connected with protecting crust of disk seat, the handle of first threaded rod is located the protecting crust, it has the movable cover to articulate on the protecting crust.

Preferably, the connecting rod slides and sets up at logical groove, threaded connection has the second threaded rod on the connecting rod, the second threaded rod rotates and installs on the connecting block, connecting block and the lateral wall fixed connection of disk seat.

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

1. this device makes the arc through rotatory first threaded rod and moves on first threaded rod, and two sections external screw thread spiral opposite directions on the first threaded rod drive the arc on it and be close to each other or keep away from each other, and when two arcs were close to each other, the second antiskid tooth on it was embedded into first antiskid tooth, makes the valve rod obtain the locking, in addition, can install the padlock on the lockhole, the padlock prevents that the movable cover from being opened, as long as first threaded rod is not rotated, and the valve rod just is in the locking state, can't rotate the valve rod just unable rotatory valve plate, plays the guard action, prevents that the outsider from using this valve.

2. This device drives the connecting rod motion through rotatory second threaded rod, the connecting rod can drive the brush and rise, brush and second bevel gear contact each other, on conveying the second bevel gear with the lubricating oil on it, the rotatory in-process of second bevel gear can take the lubricating oil to first bevel gear on, rotatory drive shaft is more smooth, at first through the surface of brush second bevel gear, lubricating oil has effectively been solved, and the brush stretches out from down moreover, the lubricating oil of drip can reentry into the oil box in, further practice thrift the use of lubricating oil.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of the utility model at a in fig. 1.

Fig. 3 is a cross-sectional view of the present utility model.

Fig. 4 is an enlarged view of the present utility model at B in fig. 3.

Fig. 5 is a cross-sectional view of the drive mechanism and arcuate plate of the present utility model.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve plate; 4. a valve stem; 5. a first bevel gear; 6. a second bevel gear; 7. a drive shaft; 8. a first anti-slip tooth; 9. a second anti-slip tooth; 10. a first threaded rod; 11. an external thread; 12. a limit rod; 13. a protective shell; 14. a movable cover; 15. an oil brush; 16. an oil box; 17. a connecting rod; 18. a through groove; 19. a second threaded rod; 20. a connecting block; 21. an arc-shaped plate.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a butterfly valve for a water supply system comprises a valve body 1, wherein the upper end of the valve body 1 is fixedly connected with a valve seat 2, a valve plate 3 is rotatably installed in the valve body 1, the upper end of the valve plate 3 is fixedly connected with a valve rod 4, the upper end of the valve rod 4 is fixedly connected with a first bevel gear 5, one side of the first bevel gear 5 is meshed with a second bevel gear 6, the middle part of the second bevel gear 6 is fixedly connected with a driving shaft 7, the outer side of the valve rod 4 is fixedly connected with a first anti-slip tooth 8, the outer side of the valve rod 4 is provided with an arc 21, the inner side of the arc 21 is fixedly provided with a second anti-slip tooth 9, a driving mechanism is arranged on the arc 21 and used for driving the arc 21 to move, the lower end of the second bevel gear 6 is provided with an oil brush 15, the lower end of the oil brush 15 is provided with an oil box 16, the lower end of the oil brush 15 is fixedly connected with a connecting rod 17, and the side wall of the valve seat 2 is provided with a through groove 18.

The arc 21 is provided with two altogether, and two arc 21 symmetry set up in the both sides of valve rod 4, and first anti-skidding tooth 8 and second anti-skidding tooth 9 mutually support and set up, and after actuating mechanism drive arc 21 moved towards valve rod 4, second anti-skidding tooth 9 on the arc 21 imbeds in first anti-skidding tooth 8 to make valve rod 4 fixed, carry out the locking.

The driving mechanism comprises a first threaded rod 10, the first threaded rod 10 is rotatably installed in the valve seat 2 through a bearing, two sections of external threads 11 are formed on the first threaded rod 10, the spiral directions of the two sections of external threads 11 are opposite, and two arc plates 21 are respectively in threaded connection with the two sections of external threads 11 on the first threaded rod 10.

The tip of first threaded rod 10 wears out disk seat 2 fixedly connected with handle, and sliding connection has gag lever post 12 on the arc 21, and gag lever post 12 fixed connection is in disk seat 2, and when rotatory first threaded rod 10, because gag lever post 12's spacing, can make arc 21 move on first threaded rod 10, and two sections external screw threads 11 spiral opposite direction on the first threaded rod 10, consequently, can drive the arc 21 on it and be close to each other or keep away from each other.

The outside fixedly connected with protecting crust 13 of disk seat 2, the handle of first threaded rod 10 is located protecting crust 13, articulates on the protecting crust 13 has movable cover 14, is provided with the hasp that has the lockhole between movable cover 14 and the protecting crust 13, during the use, can install the padlock on the lockhole, the padlock prevents that movable cover 14 from being opened, as long as first threaded rod 10 is not rotated, valve rod 4 just is in the locking state, can't rotate valve rod 4 just can't rotate valve plate 3, plays the guard action, prevents that the outsider from using this valve.

The connecting rod 17 slides and sets up at logical groove 18, threaded connection has second threaded rod 19 on the connecting rod 17, second threaded rod 19 rotates and installs on connecting block 20, connecting block 20 and the lateral wall fixed connection of disk seat 2, the upper end opening of oil drum 16, brush 15 can stretch out smoothly in the oil drum 16, rotatory second threaded rod 19 drives connecting rod 17 motion, connecting rod 17 can drive brush 15 and rise, brush 15 and second bevel gear 6 contact each other, pass the lubricating oil on it on the second bevel gear 6, the in-process of second bevel gear 6 rotation can bring the lubricating oil on the first bevel gear 5, rotatory drive shaft 7 is more smooth, at first, brush the surface of second bevel gear 9 through brush 15, effectively solved lubricating oil, brush 15 stretches out from the bottom, the lubricating oil of drip can reenter in the oil drum 16, further use of lubricating oil has been practiced thrift.

In the device, the valve seat 2 is locked on the valve body 1 through the bolts, the valve seat 2 can be detached from the valve body 1 by screwing down the bolts, the interior of the valve body 1 is convenient to clean and overhaul, and lubricating oil can be added into the oil box 16.

The working principle of the utility model is as follows: when the device is used, the second bevel gear 6 and the first bevel gear 5 are driven to rotate through the rotary driving shaft 7, the valve rod 4 and the valve plate 3 are driven to rotate, the valve is opened or closed, when the first threaded rod 10 is rotated, the arc plate 21 can move on the first threaded rod 10 due to the limit of the limit rod 12, the spiral directions of the two external threads 11 on the first threaded rod 10 are opposite, therefore, the arc plate 21 on the arc plate 21 can be driven to be close to each other or far away from each other, when the two arc plates 21 are close to each other, the second anti-slip teeth 9 on the arc plate are embedded into the first anti-slip teeth 8, the valve rod 4 is locked, in addition, a padlock is installed on a lock hole, the movable cover 14 is prevented from being opened, the valve rod 4 cannot rotate as long as the first threaded rod 10 is not rotated, the valve rod 4 is in a locked state, the valve plate 3 cannot be rotated, a protective effect is achieved, an outsider is prevented from using the valve, the second threaded rod 19 is driven to move by the connecting rod 17, the connecting rod 17 can drive the oil brush 15 to be lifted, the oil brush 15 to be contacted with the second bevel gear 6, the oil brush 15 is enabled to be brought into contact with the second bevel gear 6, the second bevel gear 6 is rotated, and the second bevel gear 6 can be rotated, and the second bevel gear is rotated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Butterfly valve for water supply system, including valve body (1), its characterized in that: the novel valve is characterized in that the upper end of the valve body (1) is fixedly connected with the valve seat (2), the valve plate (3) is rotationally mounted in the valve body (1), the valve rod (4) is fixedly connected with the upper end of the valve plate (3), the first bevel gear (5) is fixedly connected with the upper end of the valve rod (4), one side of the first bevel gear (5) is meshed with the second bevel gear (6), the middle part of the second bevel gear (6) is fixedly connected with the driving shaft (7), the outer side of the valve rod (4) is fixedly connected with the first anti-slip tooth (8), the outer side of the valve rod (4) is provided with the arc-shaped plate (21), the second anti-slip tooth (9) is fixedly arranged on the inner side of the arc-shaped plate (21), the driving mechanism is arranged on the arc-shaped plate (21), the lower end of the second bevel gear (6) is provided with the oil brush (15), the lower end of the oil brush (15) is provided with the oil box (16), the lower end of the oil brush (15) is fixedly connected with the connecting rod (17), and the side wall of the valve seat (2) is provided with the through groove (18).

2. A butterfly valve for a water supply according to claim 1, wherein: the two arc plates (21) are arranged in total, the two arc plates (21) are symmetrically arranged on two sides of the valve rod (4), and the first anti-slip teeth (8) and the second anti-slip teeth (9) are mutually matched.

3. A butterfly valve for a water supply according to claim 1, wherein: the driving mechanism comprises a first threaded rod (10), the first threaded rod (10) is rotatably installed in the valve seat (2) through a bearing, two sections of external threads (11) are formed on the first threaded rod (10), the spiral directions of the two sections of external threads (11) are opposite, and the two arc-shaped plates (21) are respectively in threaded connection with the two sections of external threads (11) on the first threaded rod (10).

4. A butterfly valve for a water supply according to claim 3, wherein: the end part of the first threaded rod (10) penetrates out of the valve seat (2) and is fixedly connected with a handle, a limiting rod (12) is connected to the arc-shaped plate (21) in a sliding mode, and the limiting rod (12) is fixedly connected to the valve seat (2).

5. A butterfly valve for a water supply according to claim 4, wherein: the outside fixedly connected with protecting crust (13) of disk seat (2), the handle of first threaded rod (10) is located protecting crust (13), it has movable cover (14) to articulate on protecting crust (13).

6. A butterfly valve for a water supply according to claim 1, wherein: the connecting rod (17) is arranged in the through groove (18) in a sliding mode, a second threaded rod (19) is connected to the connecting rod (17) in a threaded mode, the second threaded rod (19) is rotatably installed on the connecting block (20), and the connecting block (20) is fixedly connected with the outer side wall of the valve seat (2).