CN220435464U - Prevent long-pending material ceramic knife gate valve - Google Patents

Abstract

The utility model relates to an anti-accumulation ceramic knife gate valve, which comprises a valve body, a valve plate and a screw rod, wherein the top of the valve body is fixedly connected with a storage plate, the valve plate is arranged in the valve body, the screw rod is in threaded connection with the valve plate, the top of the screw rod is in rotational connection with the top of the inner wall of the storage plate, the bottom of the screw rod is in rotational connection with the inner wall of the valve body, two annular sealing rings are symmetrically and fixedly connected in the valve body, one side, close to the two annular sealing rings, of the valve body is attached to the outer side of the valve plate, and the bottom of the valve plate is fixedly connected with a sealing shaft sleeve attached to the outer side of the screw rod. The utility model has the beneficial effects that the screw is arranged between the storage plate and the valve body to finish rotation operation, so that the external space occupied by the screw after moving upwards is reduced, and the external space occupied by the whole operation of the knife gate valve can be reduced, thereby being suitable for use in a use environment with smaller space, having wide application range and strong practicability.

Description

Prevent long-pending material ceramic knife gate valve

Technical Field

The utility model relates to the technical field of valves, in particular to an anti-accumulation ceramic knife gate valve.

Background

Ceramic knife gate valves are a special valve that uses ceramic material as the control element. The opening and closing member is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, and the knife-edge-shaped gate plate capable of cutting fiber materials is used for cutting off media. The ceramic knife gate valve body does not have a chamber in practice, the flashboard is lifted in the side guide groove and is tightly pressed on the valve seat by the lugs at the bottom, and when higher medium tightness is required, the O-shaped sealing valve seat can be selected to realize bidirectional sealing.

Through retrieval, china patent discloses a prevent long-pending material pottery knife gate, and grant bulletin number CN210716034U, and this patent is although including valve body, valve gap and flashboard, is equipped with the conveying passageway that supplies the fluidic medium to pass through and the flashboard movable channel that is perpendicular with the conveying passageway on the valve body, be equipped with annular import ceramic disk seat and export ceramic disk seat respectively in the entry end and the exit end of conveying passageway, have ceramic lining between import ceramic disk seat and the export ceramic disk seat, the hole of import ceramic disk seat flushes the setting with the bottom of the conveying passageway that the lining has ceramic lining, the hole diameter of export ceramic disk seat is less than the internal diameter of conveying passageway to the interior terminal surface of export ceramic disk seat orientation conveying passageway is for protruding in the conveying passageway, when the flashboard put down, one side terminal surface of flashboard and the interior terminal surface sealing contact of export ceramic disk seat, and realize the breaking of flashboard to solve the slot in current pottery knife gate valve and easily pile up the problem that the slurry influences the seal. However, the operating mechanism of the knife gate valve drives the screw to rotate through the rotation of the rotating nut, and the flashboard is put down or lifted up under the action of the rising or falling screw, so that the ceramic gate valve is closed or opened, the external space occupied by the whole ceramic gate valve is increased by rising of the screw, namely, enough space is needed to be reserved when the ceramic gate valve is installed so as to complete the normal rising operation of the screw, and the ceramic gate valve cannot be well applied to the limited or narrow operating environment of the installation space, so that the ceramic gate valve has certain limitation in use and the practicability is reduced. Therefore, a person skilled in the art provides a ceramic knife gate valve for preventing accumulation of materials, so as to solve the problems in the prior art.

Disclosure of Invention

In view of the foregoing problems in the prior art, a main object of the present utility model is to provide an anti-accumulation ceramic knife gate valve.

The technical scheme of the utility model is as follows: the utility model provides a prevent long-pending material pottery knife gate valve, includes valve body, valve plate and screw rod, the top fixedly connected with storage plate of valve body, the valve plate sets up the inside at the valve body, screw rod and valve plate threaded connection, the top of screw rod rotates with the top of storage plate inner wall and is connected, the bottom of screw rod rotates with the inner wall of valve body to be connected, two ring seal of inside symmetry fixedly connected with of valve body, and two ring seal all is close to one side mutually and laminates with the outside of valve plate, the sealing sleeve of the outside laminating of bottom fixedly connected with screw rod of valve plate.

As a preferred implementation mode, the top fixedly connected with transmission case of collecting plate, the inside rotation of transmission case is connected with the pivot, the inside that the top of screw rod runs through the collecting plate just extends to the inside of transmission case, the pivot is close to the equal fixedly connected with bevel gear in one end of screw rod and the top of screw rod, and two bevel gear meshing is connected, the one end fixed connection carousel that keeps away from the bevel gear of pivot.

As a preferred implementation mode, two fixed plates are symmetrically and fixedly connected to the top of the valve plate, filler is arranged between the two fixed plates and the storage plate, and a filler gland is fixedly connected to the inner wall of the storage plate and above the corresponding filler.

As a preferred embodiment, the bottom of the screw is made of stainless steel.

As a preferred embodiment, a handle is rotatably connected to the eccentric part on the outer side of the turntable.

As a preferred embodiment, both said fillers are slidingly connected to the outside of the fixed plate and the valve plate.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the screw is arranged between the storage plate and the valve body to finish rotation operation, so that the external space occupied by the screw after moving upwards is reduced, and the external space occupied by the whole operation of the knife gate valve can be reduced, so that the knife gate valve is suitable for use environments with smaller space, and has wide application range and strong practicability.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of a front cross-sectional structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic diagram of a front view structure of the present utility model.

Legend description: 1. a valve body; 2. a storage plate; 3. a screw; 4. a valve plate; 5. an annular seal ring; 6. sealing the shaft sleeve; 7. a transmission case; 8. a rotating shaft; 9. bevel gears; 10. a turntable; 11. a filler; 12. a fixing plate; 13. and (5) a packing gland.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The utility model will be further described with reference to the drawings and the specific embodiments

Examples

As shown in fig. 1 to 4, the present utility model provides a technical solution: the valve comprises a valve body 1, a valve plate 4 and a screw rod 3, wherein the top of the valve body 1 is fixedly connected with a storage plate 2, the valve plate 4 is arranged in the valve body 1, the screw rod 3 is in threaded connection with the valve plate 4, the top of the screw rod 3 is rotationally connected with the top of the inner wall of the storage plate 2, the bottom of the screw rod 3 is rotationally connected with the inner wall of the valve body 1, two annular sealing rings 5 are symmetrically and fixedly connected in the valve body 1, one side, which is close to each other, of the two annular sealing rings 5 is attached to the outer side of the valve plate 4, a sealing shaft sleeve 6 attached to the outer side of the screw rod 3 is fixedly connected to the bottom of the valve plate 4, the valve plate 4 can be driven to move up and down through rotating the screw rod 3, on-off operation can be realized through rotating the screw rod 3, meanwhile, the bottom of the valve plate 4 can be sealed through the arranged sealing shaft sleeve 6, when the valve plate 4 moves into the storage plate 2, the valve plate 4 can be stored, meanwhile, the screw rod 3 is fixedly long and rotationally connected between the storage plate 2 and the valve body 1, the occupied outer space after the upward movement of the screw rod 3 can be reduced, and the whole space occupied by the whole gate valve can be reduced, the application range of the gate valve can be applied to a small environment, and the gate valve has a wide application range;

the top of the storage plate 2 is fixedly connected with a transmission case 7, a rotating shaft 8 is rotatably connected in the transmission case 7, the top of the screw 3 penetrates through the storage plate 2 and extends to the inside of the transmission case 7, one end of the rotating shaft 8 close to the screw 3 and the top of the screw 3 are fixedly connected with bevel gears 9, the two bevel gears 9 are in meshed connection, one end of the rotating shaft 8 far away from the bevel gears 9 is fixedly connected with a rotary table 10, the rotary table 10 rotates and drives the rotating shaft 8 to rotate, the rotating shaft 8 rotates to better drive the bevel gears 9 to rotate, and the rotating operation of the screw 3 can be realized through the rotation of the bevel gears 9 so as to better drive the valve plate 4 to move up and down;

two fixing plates 12 are symmetrically and fixedly connected to the top of the valve plate 4, packing 11 is arranged between the two fixing plates 12 and the containing plate 2, packing covers 13 are fixedly connected to the inner wall of the containing plate 2 and above the corresponding packing 11, and the packing covers 13 and the fixing plates 12 can realize the packing structure of the packing 11, so that the packing 11 can be better installed, and the packing sealing operation of the valve plate 4 can be realized under the action of the packing 11;

the bottom of the screw 3 is made of stainless steel, and the corrosion resistance of the screw 3 made of stainless steel can be improved;

the eccentric part on the outer side of the turntable 10 is rotationally connected with a handle, and the turntable 10 can be driven to rotate by rotating the handle;

the two fillers 11 are both in sliding connection with the outer sides of the fixed plate 12 and the valve plate 4, and the fixed plate 12 is driven to move upwards when the valve plate 4 moves upwards, so that the up-and-down movement operation of the valve plate 4 and the fixed plate 12 can be completed better under the action of sliding connection.

Working principle:

as shown in fig. 1 to 4, the rotary table 10 is rotated, the rotary table 10 rotates while driving the rotary shaft 8 to rotate, the rotary shaft 8 rotates to better drive the bevel gear 9 to rotate, the rotating operation of the screw 3 can be realized through the rotation of the bevel gear 9, the valve plate 4 can be driven to move up and down through the rotating screw 3, the on-off operation can be realized through the up-and-down movement of the valve plate 4, the operation is simple, meanwhile, the screw 3 is of a fixed length and is rotationally connected between the storage plate 2 and the valve body 1, the external space occupied by the screw 3 after moving upwards can be reduced, and the external space occupied by the whole knife gate valve can be reduced, so that the knife gate valve is suitable for a use environment with smaller space, and has wide application range and strong practicability.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides a prevent long-pending material pottery knife gate valve, includes valve body (1), valve plate (4) and screw rod (3), its characterized in that: the top fixedly connected with storage plate (2) of valve body (1), valve plate (4) set up the inside at valve body (1), screw rod (3) and valve plate (4) threaded connection, the top of screw rod (3) rotates with the top of storage plate (2) inner wall and is connected, the bottom of screw rod (3) rotates with the inner wall of valve body (1) to be connected, the inside symmetry fixedly connected with two ring seal (5) of valve body (1), and two ring seal (5) are all laminated with the outside of valve plate (4) in one side that is close to mutually, the sealing sleeve (6) of the outside laminating of screw rod (3) are fixedly connected with in the bottom of valve plate (4).

2. The anti-accumulation ceramic knife gate valve according to claim 1, wherein: the top fixedly connected with transmission case (7) of collecting plate (2), the inside rotation of transmission case (7) is connected with pivot (8), the inside that the inside of collecting plate (2) was run through at the top of screw rod (3) just extends to the inside of transmission case (7), the one end that pivot (8) are close to screw rod (3) and the equal fixedly connected with bevel gear (9) at the top of screw rod (3), and two bevel gear (9) meshing is connected, the one end fixed connection carousel (10) of keeping away from bevel gear (9) of pivot (8).

3. The anti-accumulation ceramic knife gate valve according to claim 2, wherein: two fixed plates (12) are symmetrically and fixedly connected to the top of the valve plate (4), packing (11) are arranged between the two fixed plates (12) and the containing plate (2), and packing covers (13) are fixedly connected to the inner walls of the containing plate (2) and located above the corresponding packing (11).

4. A ceramic knife gate valve for preventing accumulation as claimed in claim 3, wherein: the bottom of the screw (3) is made of stainless steel.

5. The anti-accumulation ceramic knife gate valve according to claim 4, wherein: the eccentric part at the outer side of the rotary table (10) is rotationally connected with a handle.

6. The anti-accumulation ceramic knife gate valve according to claim 5, wherein: the two fillers (11) are both in sliding connection with the outer sides of the fixed plate (12) and the valve plate (4).