CN211550590U - Full-sealed gate valve mechanism - Google Patents

Abstract

The utility model discloses a totally enclosed push-pull valve mechanism, including frame and preceding valve plate, frame upper end left side and supporting seat fixed connection, supporting seat and preceding valve plate fixed connection, the component is installed to the supporting seat top and is placed the board, and supporting seat and component place and be equipped with the sealing washer between the board, the roller shaft is installed to the supporting seat top, the roller shaft inboard is rotated with the sprocket and is connected. This totally enclosed push-pull valve mechanism adopts the mode of connecting rod additional installation gyro wheel to design through the cam, and when the preceding valve plate outwards removed, preceding valve plate and the pulley contact of below cam, frictional force reduces greatly, removes and can smoothly not block puckery very much, has solved sealing device easy wearing and tearing again and require to remove smooth and easy problem promptly, can make the gyro wheel roll in the valve plate top again and remove dust, and is practical simple and convenient, and an electrostatic precipitator gyro wheel of upper portion installation of valve pocket mouth, and the valve is removing the in-process, and the gyro wheel rolls in the valve plate top and removes dust, and is practical simple and convenient, and the design is simple.

Description

Full-sealed gate valve mechanism

Technical Field

The utility model relates to a push-pull valve mechanism, concretely relates to totally enclosed push-pull valve mechanism.

Background

The gate valve is a valve commonly used, also called a manual knife gate valve, and the knife gate valve is a valve with a gate plate and a valve seat which are always in close contact and sealed. The valve rod drives the valve plate to move so as to realize opening and closing, and the valve plate is connected with the valve cavity in a sealing mode through the sealing device. In the moving process of the valve plate, friction exists between the valve plate and the sealing device, and after the valve plate is used for a long time, the sealing device is easy to damage, so that the sealing reliability is poor, and dust in a valve cavity is easy to leak out of the valve body to influence the field environment. In addition, when the gate valve is closed, the valve plate is positioned in the valve cavity, and dust can be deposited on the valve plate; when the gate valve is opened, dust on the valve plate is easy to move out of the valve cavity along with the valve plate, and the field environment is affected.

At present, the knife gate valve is mainly called as a manual knife gate valve in the market, and is a valve with a flashboard and a valve seat which are always in close contact and sealed. Therefore, it is urgently needed to provide a novel full-sealing gate valve mechanism, so that the gate is effectively ensured to be sealed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a: aiming at the problems existing at present, a full-sealing gate valve mechanism is provided.

The fully-sealed gate valve mechanism comprises a base and a front valve plate, wherein the left side of the upper end of the base is fixedly connected with a supporting seat, the supporting seat is fixedly connected with the front valve plate, an element placing plate is arranged above the supporting seat, a sealing ring is arranged between the supporting seat and the element placing plate, a roller shaft is arranged above the supporting seat, the inner side of the roller shaft is rotatably connected with a chain wheel, the chain wheel is rotatably connected with a second rotating shaft through a rotating shaft, the second rotating shaft is rotatably connected with the inner side of a gear, the inner side of the gear is rotatably connected with a first rotating shaft, the first rotating shaft is rotatably connected with a rack, the first rotating shaft is rotatably connected with a hand wheel shaft, the hand wheel shaft is rotatably connected with a hand wheel, the outer side of the chain wheel is rotatably connected with a chain link, an aluminum alloy reinforcing plate is arranged on the, the aluminum alloy reinforcing plate is fixedly connected with one end of the mounting frame, and the mounting frame is fixedly connected with the front valve plate.

Preferably, an electrostatic roller is fixedly arranged below the rear valve plate, a cam is fixedly arranged at the front end of the electrostatic roller and is rotatably connected with a sliding wheel, the sliding wheel is rotatably connected with a pin shaft and a third rotating shaft respectively, and a supporting plate is fixedly arranged on the right side of the third rotating shaft.

Preferably, the number of the cams is eight.

Preferably, the front valve plate forms a sealing structure with the element when moving to fall off.

Preferably, the outer side of the chain wheel is connected with the chain link to form a rotating structure.

Preferably, the sprocket forms a transmission mechanism with the second rotating shaft through the rotating shaft.

Preferably, the aluminum alloy reinforcing plate and the rear valve plate are made of aluminum alloy materials.

Preferably, the electrostatic roller is a roller structure with a certain microvolt voltage.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. this totally enclosed push-pull valve mechanism through setting up cam and connecting rod, because the cam adopts the connecting rod to install the mode design of gyro wheel additional, when the preceding valve plate outwards removed, the pulley contact of preceding valve plate and below cam, frictional force reduces greatly, and the removal can be smooth and easy not block puckery very much, has solved sealing device wearing and tearing easily and has required to remove smooth and easy problem again promptly.

2. The fully-sealed gate valve mechanism utilizes four cams, and the four cams above the valve plate are used for pressing down the valve plate, so that the valve plate can be tightly attached to a sealing element; the four cams below the valve plate are used for jacking the valve plate, so that the valve plate falls off the sealing element when moving, and abrasion is avoided. The eight cams are combined by using gear and chain transmission, only one power source is needed, all mechanisms realize the movement of the execution end together, and the mechanism is efficient and reliable.

3. According to the fully-sealed gate valve mechanism, the electrostatic dust removal roller is mounted on the upper portion of the valve cavity opening, the roller rolls above the valve plate to remove dust in the moving process of the valve, and the fully-sealed gate valve mechanism is practical, simple and convenient to use and simple in design and design.

Drawings

FIG. 1 is a top view structural diagram of the fully sealed gate valve mechanism of the present invention;

FIG. 2 is a front view structural diagram of the fully sealed gate valve mechanism of the present invention;

fig. 3 is a side view structure diagram of the fully sealed gate valve mechanism of the present invention.

In the figure: 1. a machine base; 2. a front valve plate; 3. a seal ring; 4. a roller shaft; 5. a supporting seat; 6. a first rotating shaft; 7. a cam; 8. an aluminum alloy reinforcing plate; 9. a rear valve plate; 10. a second gear; 11. a sprocket; 12. a chain link; 13. an electrostatic roller; 14. a hand wheel; 15. a hand wheel shaft; 16. a rack; 17. a gear; 18. A sliding wheel; 19. a second rotating shaft; 20. a third rotating shaft; 21. a rotating shaft; 22. a mounting frame; 23. a support plate; 24. a pin shaft; 25. a component placement board.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1, as shown in figures 1-3:

the full-sealed gate valve mechanism comprises a base 1 and a front valve plate 2, wherein the left side of the upper end of the base 1 is fixedly connected with a supporting seat 5, the supporting seat 5 is fixedly connected with the front valve plate 2, an element placing plate 25 is installed above the supporting seat 5, a sealing ring 3 is arranged between the supporting seat 5 and the element placing plate 25, a roller shaft 4 is installed above the supporting seat 5, the inner side of the roller shaft 4 is rotatably connected with a chain wheel 11, the chain wheel 11 is rotatably connected with a second rotating shaft 19 through a rotating shaft 21, the second rotating shaft 19 is rotatably connected with the inner side of a gear 17, the inner side of the gear 17 is rotatably connected with a first rotating shaft 6, the first rotating shaft 6 is rotatably connected with a rack 16, the first rotating shaft 6 is rotatably connected with a hand wheel shaft 15, the hand wheel shaft 15 is rotatably connected with a hand wheel 14, the outer side of the chain wheel 11 is rotatably connected with a chain link, the outer side of the aluminum alloy reinforcing plate 8 is rotatably connected with a second gear 10, the aluminum alloy reinforcing plate 8 is fixedly connected with one end of a mounting frame 22, the mounting frame 22 is fixedly connected with a front valve plate 2, a static roller 13 is fixedly arranged below a rear valve plate 9, a cam 7 is fixedly arranged at the front end of the static roller 13, the cam 7 is rotatably connected with a sliding wheel 18, the sliding wheel 18 is rotatably connected with a pin shaft 24 and a third rotating shaft 20 respectively, a support plate 23 is fixedly arranged on the right side of the third rotating shaft 20, the cam 7 and the sliding wheel 18 can better transmit, the static roller 13 can also be used efficiently, the number of the cams 7 is eight, the utilization rate of the cams 7 can be well ensured, the use of the integral structure is more convenient, a sealing structure is formed by the front valve plate 2 and an element when the front valve plate 2 moves and drops, and the sealing structure formed by the front valve plate 2 and the element can well protect, also fine debris of getting rid of, the sprocket 11 outside is connected with chain link 12 and is formed rotating-structure, and the chain mobility of make full use of chain link 12, the execution efficiency of assurance mechanism that can be fine, sprocket 11 passes through axis of rotation 21 and second pivot 19 formation drive mechanism, aluminum alloy gusset plate 8 and back valve plate 9 are made for aluminum alloy material, static gyro wheel 13 is for having the gyro wheel structure of certain microvolt voltage, and static has guaranteed the high efficiency of dust removal, and the dust removal that static gyro wheel 13's gyro wheel structure can be fine makes the dust removal more comprehensive.

The working principle is as follows: the four cams 7 above the element placing plate 25 of the sealing gate valve mechanism are used for pressing the element placing plate 25 down, so that the element placing plate 25 can be tightly attached to the sealing element; the four cams 7 below the component placement plate 25 are used to jack up the component placement plate 25, so that the component placement plate 25 drops off the sealing element during movement, avoiding wear. The eight cams 7 are coupled by means of a gear 17 and a chain drive, all together effecting the movement of the actuation end. An electrostatic roller 13 is arranged at the upper part of the valve cavity for dust removal, and during the movement of the valve, the electrostatic roller 13 rolls above the element placing plate 25 for dust removal. After the four cams 7 below the element placing plate 25 rotate 180 degrees to jack up the element placing plate 25, the four cams 7 above the element placing plate 25 also rotate 180 degrees to separate from the element placing plate 25, the element placing plate 25 is jacked up and then just contacts the electrostatic roller 13, in addition, a rack 16 is installed above the element placing plate 25, the element placing plate 25 is just meshed with the gear 17 above the element placing plate after being jacked up, the element placing plate 25 can be moved out as long as the power source enables the gear 17 to rotate, and the effect of dust removal, moving and sealing is achieved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. Totally enclosed push-pull valve mechanism, including frame (1) and preceding valve plate (2), its characterized in that: the device is characterized in that the left side of the upper end of the machine base (1) is fixedly connected with a supporting seat (5), the supporting seat (5) is fixedly connected with a front valve plate (2), an element placing plate (25) is installed above the supporting seat (5), a sealing ring (3) is arranged between the supporting seat (5) and the element placing plate (25), a roller shaft (4) is installed above the supporting seat (5), the inner side of the roller shaft (4) is rotatably connected with a chain wheel (11), the chain wheel (11) is rotatably connected with a second rotating shaft (19) through a rotating shaft (21), the second rotating shaft (19) is rotatably connected with the inner side of a gear (17), the inner side of the gear (17) is rotatably connected with a first rotating shaft (6), the first rotating shaft (6) is rotatably connected with a rack (16), the first rotating shaft (6) is rotatably connected with a hand wheel shaft (15), the hand wheel shaft (15) is rotatably connected with a hand wheel (14), the chain wheel (11) outside is rotated with chain link (12) and is connected, the chain link (12) outside is provided with aluminum alloy gusset plate (8), the outside of aluminum alloy gusset plate (8) is rotated and is connected with second gear (10), aluminum alloy gusset plate (8) and mounting bracket (22) one end fixed connection, mounting bracket (22) and preceding valve board (2) fixed connection.

2. A fully sealed gate valve mechanism as claimed in claim 1, wherein: the static roller (13) is fixedly arranged below the rear valve plate (9), the cam (7) is fixedly arranged at the front end of the static roller (13), the cam (7) is rotatably connected with the sliding wheel (18), the sliding wheel (18) is rotatably connected with the pin shaft (24) and the third rotating shaft (20) respectively, and the supporting plate (23) is fixedly arranged on the right side of the third rotating shaft (20).

3. A fully sealed gate valve mechanism as claimed in claim 2, wherein: the number of the cams (7) is eight.

4. A fully sealed gate valve mechanism as claimed in claim 1, wherein: and the front valve plate (2) forms a sealing structure with the element when moving to fall off.

5. A fully sealed gate valve mechanism as claimed in claim 1, wherein: the outer side of the chain wheel (11) is connected with a chain link (12) to form a rotating structure.

6. A fully sealed gate valve mechanism as claimed in claim 5, wherein: the chain wheel (11) and the second rotating shaft (19) form a transmission mechanism through a rotating shaft (21).

7. A fully sealed gate valve mechanism as claimed in claim 1, wherein: the aluminum alloy reinforcing plate (8) and the rear valve plate (9) are made of aluminum alloy materials.

8. A fully sealed gate valve mechanism as claimed in claim 2, wherein: the electrostatic roller (13) is of a roller structure with a certain microvolt voltage.

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