CN215908521U

CN215908521U - Sealed abrasion-free butterfly valve

Info

Publication number: CN215908521U
Application number: CN202121278364.8U
Authority: CN
Inventors: 洪万生; 程小龙; 陈伟杰
Original assignee: Fujian Hewu Valve Group Co ltd
Current assignee: Fujian Hewu Valve Group Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-02-25
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a sealed abrasion-free butterfly valve with simple structure and encryption function, which comprises a butterfly valve body, a valve cover arranged above the butterfly valve body, a water inlet channel and a water outlet channel which are arranged along the radial direction of the butterfly valve body, and a valve plate arranged between the water inlet channel and the water outlet channel and used for controlling the opening and closing of fluid, a valve rod is arranged above the valve plate and inside the butterfly valve body, a channel is arranged above the valve rod, the lower end part of the valve rod is connected with the valve plate, the upper end part of the valve rod penetrates out of the channel, the valve cover is provided with a fixed box, the valve rod is positioned in the fixed box, a worm wheel is fixedly sleeved on the valve rod and positioned in the fixed box, the worm is rotatably arranged in the fixed box, the worm wheel is in meshed transmission with the worm, and an encryption device used for driving the worm to rotate is arranged in the fixed box.

Description

Sealed abrasion-free butterfly valve

Technical Field

The utility model relates to the technical field of valves, in particular to a sealing abrasion-free butterfly valve.

Background

With the development of the pipeline industry, the existing butterfly valve has good sealing performance and is wear-resistant, so that the butterfly valve is more and more widely applied to pipeline connection. The butterfly valve is installed and applied in public places or places where the butterfly valve can be opened manually. After installation, it is difficult to manage the piping facilities one by one because of the waste of labor. And because the butterfly valve is continuously improved, the butterfly valve is easier to open. Because the local crowd of installation is complicated, very easily by the maloperation or opened maliciously, cause the water waste, or cause the loss in production.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above problems, the present invention provides a sealing wear-free butterfly valve with a simple structure and an encryption function.

In order to achieve the purpose, the technical scheme of the utility model is to provide a sealed abrasion-free butterfly valve, which comprises a butterfly valve body, a valve cover arranged above the butterfly valve body, a water inlet channel and a water outlet channel which are arranged along the radial direction of the butterfly valve body, and a valve plate arranged between the water inlet channel and the water outlet channel and used for controlling the opening and closing of fluid, a valve rod is arranged above the valve plate and inside the butterfly valve body, a channel is arranged above the valve rod, the lower end part of the valve rod is connected with the valve plate, the upper end part of the valve rod penetrates out of the channel, the valve cover is provided with a fixed box, the valve rod is positioned in the fixed box, a worm wheel is fixedly sleeved on the valve rod and positioned in the fixed box, the worm is rotatably arranged in the fixed box, the worm wheel is in meshed transmission with the worm, and an encryption device used for driving the worm to rotate is arranged in the fixed box.

The further improvement is that: the encryption device comprises a straight gear, the straight gear is fixedly sleeved on the worm, a straight gear row is arranged in the fixed box in a vertically sliding mode, the straight gear and the straight gear row are in meshed transmission, and an opening and closing device used for enabling the straight gear row to slide downwards to open the valve plate is arranged in the fixed box.

The further improvement is that: the opening and closing device comprises an external opening and closing handle, the external opening and closing handle is located outside the fixed box, a first magnetic block is arranged on the external opening and closing handle, a second magnetic block which is magnetically repellent with the first magnetic block is fixedly arranged at the upper end of the straight rack, and a closing device which is used for enabling the straight rack to return downwards to close the valve plate is further arranged in the fixed box.

The further improvement is that: the opening and closing device is a return spring, one end of the return spring is fixedly connected with the straight rack, and the other end of the return spring is fixedly connected with the inner wall of the fixed box.

The further improvement is that: the straight rack is fixedly provided with a T-shaped sliding block, the inner wall of the fixed box is provided with a sliding groove, and the T-shaped sliding block is slidably arranged in the sliding groove.

The further improvement is that: the upper end part of the fixed box is provided with a clamping groove at the position of the second magnetic block, and the first magnetic block is provided with a clamping protrusion clamped into the clamping groove.

The utility model has the advantages and beneficial effects that:

1. the butterfly valve has the advantages that the structure is simple, the use is convenient, if the special opening and closing handle is not arranged, the butterfly valve cannot be opened, the butterfly valve has a good encryption effect, the problem that the production loss or the resource waste is caused when a non-worker or a child opens the butterfly valve is avoided, and the management of production and public resources is facilitated.

2. The staff opens the outside and opens and close the handle and insert just can open the butterfly valve, has saved the staff and has rotated when opening the butterfly valve, not only makes things convenient for the staff to open, makes things convenient for the staff operation moreover.

Drawings

Fig. 1 is a schematic view of a partially cut-away structure of a sealing wear-free butterfly valve according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an encryption apparatus according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-2, a sealed wear-free butterfly valve comprises a butterfly valve body 1, a valve cover 3 disposed above the butterfly valve body 1, a water inlet channel and a water outlet channel radially disposed along the butterfly valve body 1, and a valve plate 2 disposed between the water inlet channel and the water outlet channel and used for controlling opening and closing of fluid, wherein a valve rod 4 is disposed above the valve plate 2 and located inside the butterfly valve body 1, a channel is disposed above the valve rod 4, a lower end of the valve rod 4 is connected with the valve plate 2, an upper end of the valve rod 4 penetrates out of the channel, a fixing box 5 is disposed on the valve cover 3, the valve rod 4 is located inside the fixing box 5, a worm wheel 7 is fixedly sleeved on the valve rod 4, the worm wheel 7 is located inside the fixing box 5, a worm 6 is rotatably disposed inside the fixing box 5, the worm wheel 7 is meshed with the worm 6 for transmission, a straight gear 15 for driving the worm 6 to rotate is disposed inside the fixing box 5, the fixed cover of straight-teeth gear 15 is located on worm 6, can slide from top to bottom in the fixed case 5 and be equipped with straight-teeth gear 9, straight-teeth gear 15 and the meshing transmission of straight-teeth gear 9, be equipped with the headstock gear that is used for making straight-teeth gear 9 lapse and opens valve plate 2 in the fixed case 5, headstock gear includes outside on-off handle 14, outside on-off handle 14 is located outside fixed case 5, be equipped with first magnetic path on the outside on-off handle 14, the fixed second magnetic path 10 that is repulsive with first magnetic path magnetism that is equipped with of upper end of straight-teeth gear 9, still be equipped with the reset spring 8 that is used for making straight-teeth gear 9 return downwards and close valve plate 2 in the fixed case 5, reset spring 8 one end and straight-teeth gear 9 fixed connection, the reset spring 8 other end and fixed case 5 inner wall fixed connection.

In order to enable the straight rack 9 to stably slide up and down, a T-shaped sliding block 11 is fixedly arranged on the straight rack 9, a sliding groove is formed in the inner wall of the fixed box 5, and the T-shaped sliding block 11 is slidably arranged in the sliding groove.

In order to facilitate the worker to find the position of the second magnetic block 10, a clamping groove 12 is formed in the position, located at the second magnetic block 10, of the upper end portion of the fixing box 5, and a clamping protrusion 13 clamped into the clamping groove 12 is formed in the first magnetic block.

The working principle is as follows:

when the butterfly valve is to be opened, the clamping protrusion 13 of the external handle is clamped into the clamping groove 12, at the moment, the magnetic forces of the first magnetic block and the second magnetic block 10 repel each other, the straight gear row 9 is pushed to slide downwards, the straight gear row 9 slides downwards to drive the straight gear 15 to rotate, the straight gear 15 rotates to drive the worm 6 to rotate, the worm 6 rotates to drive the worm wheel 7 to rotate, the valve rod 4 is driven to rotate, the valve is opened by the valve rod 4, and the reset spring 8 is compressed at the moment. When closing the butterfly valve, take out and open and close the handle, magnetic force disappears this moment, 8 elasticity of reset spring reset, drive the return of straight-tooth row 9, and then drive the reversal of straight-tooth gear 15, and straight-tooth gear 15 drives the 6 reversals of worm, and worm 6 drives the 7 reversals of worm wheel, and then drives the 4 reversals of valve rod, close the valve, if not the staff with professional start and stop instrument, the way is not opened the butterfly valve, avoid non-staff to open the butterfly valve, cause the waste of water resources and the loss on the production.

While there have been shown and described what are at present considered to be the fundamental principles of the utility model and its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are included to illustrate the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a sealed abrasionproof decreases butterfly valve, include the butterfly valve body, set up in the valve gap of butterfly valve body top, along radial inhalant canal and the exhalant canal of seting up of butterfly valve body, set up in inhalant canal with be used for the valve plate that control fluid opened and close between the exhalant canal, the valve plate top is located the inside valve rod that is equipped with of butterfly valve body, the passageway has been seted up to the valve rod top, the lower tip of valve rod with the valve plate is connected, wear out the valve rod upper end the passageway, its characterized in that: be equipped with fixed case on the valve gap, the valve rod is located fixed incasement, fixed cover is equipped with the worm wheel on the valve rod and the worm wheel is located fixed incasement, the rotatable worm that is equipped with in the fixed incasement, worm wheel and worm meshing transmission, be equipped with in the fixed incasement and be used for the drive worm pivoted encryption device.

2. The seal wear-free butterfly valve of claim 1, wherein: the encryption device comprises a straight gear, the straight gear is fixedly sleeved on the worm, a straight gear row is arranged in the fixed box in a vertically sliding mode, the straight gear and the straight gear row are in meshed transmission, and an opening and closing device used for enabling the straight gear row to slide downwards to open the valve plate is arranged in the fixed box.

3. The seal wear-free butterfly valve of claim 2, wherein: the opening and closing device comprises an external opening and closing handle, the external opening and closing handle is located outside the fixed box, a first magnetic block is arranged on the external opening and closing handle, a second magnetic block which is magnetically repellent with the first magnetic block is fixedly arranged at the upper end of the straight rack, and a closing device which is used for enabling the straight rack to return downwards to close the valve plate is further arranged in the fixed box.

4. A sealed wear-free butterfly valve in accordance with claim 3, wherein: the opening and closing device is a return spring, one end of the return spring is fixedly connected with the straight rack, and the other end of the return spring is fixedly connected with the inner wall of the fixed box.

5. The seal wear-free butterfly valve of claim 2, wherein: the straight rack is fixedly provided with a T-shaped sliding block, the inner wall of the fixed box is provided with a sliding groove, and the T-shaped sliding block is slidably arranged in the sliding groove.

6. A sealed wear-free butterfly valve in accordance with claim 3, wherein: the upper end part of the fixed box is provided with a clamping groove at the position of the second magnetic block, and the first magnetic block is provided with a clamping protrusion clamped into the clamping groove.