CN219774842U - High temperature resistant gate valve - Google Patents
High temperature resistant gate valve Download PDFInfo
- Publication number
- CN219774842U CN219774842U CN202320614026.XU CN202320614026U CN219774842U CN 219774842 U CN219774842 U CN 219774842U CN 202320614026 U CN202320614026 U CN 202320614026U CN 219774842 U CN219774842 U CN 219774842U
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- Prior art keywords
- valve
- valve body
- rod
- high temperature
- temperature resistant
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- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000002893 slag Substances 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 21
- 239000013049 sediment Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model relates to a high-temperature-resistant gate valve, which comprises a valve body, wherein an opening and closing device, a dustproof device and a slag discharging device are arranged in the valve body, the opening and closing device comprises a valve cover, a gate plate, a valve rod, a screw rod, a driving mechanism and a sealing mechanism, the valve cover is arranged on the upper surface of the valve body, the valve cover and the valve body are detachably connected through bolts, the gate plate is arranged in the valve body in a sliding manner, the bottom of the valve rod is fixedly connected with the gate plate, the top of the valve rod penetrates through the valve cover and is fixedly connected with the screw rod, the driving mechanism comprises a hand wheel, a driving shaft, a first bevel gear and a second bevel gear, one end of the driving shaft is connected with the hand wheel, the first bevel gear is sleeved at the other end of the driving shaft, the driving mechanism is arranged in a sleeved mode, the screw rod is driven to move up and down by rotating the hand wheel, the gate plate is further driven to move up and down, the gate plate is closed and opened, and the driving mechanism is arranged in the dustproof cover except the hand wheel, and the screw rod is prevented from being moved smoothly.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a high-temperature-resistant gate valve.
Background
The existing gate valve is generally coated with a high-temperature-resistant ceramic coating in the valve body, so that the high-temperature-resistant effect of the valve body is improved. When the existing high-temperature-resistant gate valve is used, a hand wheel is generally required to be rotated to drive a screw rod to move upwards, so that a flashboard is driven to move upwards, a passage is formed in the valve body, the transported liquid flows through the valve body conveniently, when the gate valve is required to be closed, the flashboard moves downwards to close the interior of the valve body, and the liquid is prevented from flowing through the valve body; in addition, impurities and precipitates in the liquid may remain in the valve body when the liquid is transported in the valve body, and when the valve body moves downward, the valve may not be completely closed, so that the gate valve cannot shut off the liquid.
Disclosure of Invention
(one) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a high-temperature-resistant gate valve to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant gate valve, includes the valve body, be equipped with headstock gear, dust keeper and sediment device in the valve body, headstock gear includes valve gap, flashboard, valve rod, screw rod, actuating mechanism and sealing mechanism, the valve gap sets up at the valve body upper surface, and connects through bolt detachably between valve gap and the valve body, and the flashboard slides and sets up in the valve body, the bottom and the flashboard fixed connection of valve rod, the top of valve rod run through the valve gap and with screw rod fixed connection, actuating mechanism includes hand wheel, drive shaft, first bevel gear and second bevel gear, the one end and the hand wheel of drive shaft are connected, and first bevel gear cover is established outside the screw rod, and first bevel gear and second bevel gear meshing, dust keeper includes the dust cover, and the bottom and the valve gap of dust cover pass through bolt detachably and connect, the drive shaft runs through the dust cover and rotate with the dust cover.
Preferably, the slag discharging device comprises a connecting seat, a connecting rod and a rubber seat, a slag discharging port is formed in the bottom of the valve body, one end of the connecting rod is fixedly connected with the connecting seat, the other end of the connecting rod is rotationally connected with the rubber seat, the connecting seat is in threaded connection with the slag discharging port, the rubber seat is arranged in the slag discharging port and is provided with a first sealing surface, a second sealing surface is arranged in the slag discharging port, the first sealing surface is attached to the second sealing surface, slag storage and slag discharging are facilitated, and the normal opening and closing of the flashboard are prevented from being influenced.
In a further preferred embodiment, the valve body is provided with a cavity, two sides of the cavity are respectively provided with a liquid inlet pipe and a liquid outlet pipe, the cavity is provided with a sealing seat, the flashboard is slidably arranged in the sealing seat, and the bottom of the sealing seat is provided with a through hole, so that liquid inlet and liquid outlet are facilitated.
In a further preferred aspect, the sealing mechanism includes a packing, a pressing plate and a connecting plate, the packing is disposed in the valve cover and wrapped outside the valve rod, the pressing plate is slidably sleeved outside the valve rod, the lower surface of the pressing plate is attached to the packing, the connecting plate is slidably sleeved outside the valve rod, the lower surface of the connecting plate is attached to the pressing plate, the connecting plate is detachably connected with the valve cover through a bolt, and the valve rod and the valve cover are conveniently sealed.
In a further preferred embodiment, the valve cover is provided with a fixing frame, the screw penetrates through the fixing frame, and the second bevel gear is rotationally connected with the upper surface of the fixing frame, so that the second bevel gear is convenient to install.
Preferably in the further, the fixing frame is provided with an indicating mechanism, the indicating mechanism comprises a mounting frame, a connecting block and an indicating block, the mounting frame is arranged on the fixing frame, the top of the connecting block is connected with the top of the screw rod, the indicating block is fixedly connected with the connecting block, the indicating block is in sliding fit with the mounting frame, and a chute matched with the indicating block is arranged on the mounting frame so as to be convenient for indicating the position of the flashboard.
In a further preferred embodiment, an observation window is provided on the dust cover at a position corresponding to the indication block, so as to facilitate observation of the position of the indication block.
In a further preferred aspect, a ceramic high temperature resistant layer is disposed in the valve body, so as to improve the high temperature resistant effect of the valve body.
(III) beneficial effects
Compared with the prior art, the utility model provides the high-temperature-resistant gate valve, which has the following beneficial effects:
1. the driving mechanism is arranged in the utility model, the screw rod is driven to move up and down by rotating the hand wheel, so that the flashboard is driven to move up and down for closing and opening, and the driving mechanism is arranged in the dust cover except the hand wheel, so that the screw rod can not move smoothly due to ash falling;
2. the slag discharging device is arranged in the utility model, a small amount of sediment and particles can be directly accumulated at the sealing seat and the slag discharging port, so that the sediment and the particles are prevented from affecting the normal opening and closing of the flashboard, the sediment and the particles are conveniently discharged in time, and the excessive sediment and the particles are prevented from affecting the normal opening and closing of the flashboard;
3. the utility model is provided with the indicating mechanism, and the position of the indicating block can be observed through the observation window, so that the flashboard is in a closed state or an open state at the moment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high temperature resistant gate valve according to the present utility model;
FIG. 2 is a schematic view of the present utility model with the dust cap and hand wheel removed from FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of the structure of the connecting base, the connecting rod and the rubber base according to the present utility model;
fig. 5 is a schematic structural view of a valve body according to the present utility model.
In the figure: 1. a valve body; 2. a valve cover; 3. a flashboard; 4. a valve stem; 5. a screw; 6. a hand wheel; 7. a drive shaft; 8. a first bevel gear; 9. a second bevel gear; 10. a dust cover; 11. a connecting seat; 12. a connecting rod; 13. a rubber seat; 14. a slag discharge port; 15. a first sealing surface; 16. a second sealing surface; 17. a cavity; 18. a liquid inlet pipe; 19. a liquid outlet pipe; 20. a sealing seat; 21. a through hole; 22. a filler; 23. a pressing plate; 24. a connecting plate; 25. a fixing frame; 26. a mounting frame; 27. a connecting block; 28. an indication block; 29. a chute; 30. an observation window; 31. and a ceramic high temperature resistant layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-5, a high temperature resistant gate valve comprises a valve body 1, wherein an opening and closing device, a dust-proof device and a slag discharging device are arranged in the valve body 1, the opening and closing device comprises a valve cover 2, a gate plate 3, a valve rod 4, a screw 5, a driving mechanism and a sealing mechanism, the valve cover 2 is arranged on the upper surface of the valve body 1, the valve cover 2 and the valve body 1 are detachably connected through bolts, the gate plate 3 is slidably arranged in the valve body 1, the bottom of the valve rod 4 is fixedly connected with the gate plate 3, the top of the valve rod 4 penetrates through the valve cover 2 and is fixedly connected with the screw 5, the driving mechanism comprises a hand wheel 6, a driving shaft 7, a first bevel gear 8 and a second bevel gear 9, one end of the driving shaft 7 is connected with the hand wheel 6, the first bevel gear 8 is sleeved on the other end of the driving shaft 7, the second bevel gear 9 is sleeved outside the screw 5, the first bevel gear 8 is meshed with the second bevel gear 9, the dust-proof device comprises a dust cover 10, the bottom of the dust cover 10 is detachably connected with the valve cover 2 through bolts, and the driving shaft 7 penetrates through the dust cover 10 and is rotationally connected with the dust cover 10. A ceramic high temperature resistant layer 31 is provided in the valve body 1.
Referring to fig. 1-5, the slag discharging device comprises a connecting seat 11, a connecting rod 12 and a rubber seat 13, wherein a slag discharging opening 14 is formed in the bottom of the valve body 1, one end of the connecting rod 12 is fixedly connected with the connecting seat 11, the other end of the connecting rod is rotatably connected with the rubber seat 13, the connecting seat 11 is in threaded connection with the slag discharging opening 14, the rubber seat 13 is arranged in the slag discharging opening 14, a first sealing surface 15 is arranged on the rubber seat 13, a second sealing surface 16 is arranged in the slag discharging opening 14, and the first sealing surface 15 is attached to the second sealing surface 16. The valve body 1 is internally provided with a cavity 17, two sides of the cavity 17 are respectively provided with a liquid inlet pipe 18 and a liquid outlet pipe 19, the cavity 17 is internally provided with a sealing seat 20, the flashboard 3 is arranged in the sealing seat 20 in a sliding manner, and the bottom of the sealing seat 20 is provided with a through hole 21. When the valve is used, the rubber seat 13 is inserted into the slag discharge port 14, the connecting seat 11 is rotated to be in threaded connection with the slag discharge port 14 until the first sealing surface 15 on the rubber seat 13 is attached to the second sealing surface 16 at the slag discharge port 14, sealing of the slag discharge port 14 is completed, sediment and particles in the valve body 1 fall into the sealing seat 20, the sediment and the particles are accumulated at the slag discharge port 14 through the through holes 21, the slag discharge port 14 is cleaned regularly, the flashboard 3 is closed firstly during cleaning again, the connecting seat 11 is screwed out from the slag discharge port 14 at the moment, and the sediment falls from the slag discharge port 14.
Referring to fig. 1-5, the sealing mechanism comprises a packing 22, a pressing plate 23 and a connecting plate 24, wherein the packing 22 is arranged in the valve cover 2 and is wrapped outside the valve rod 4, the pressing plate 23 is slidably sleeved outside the valve rod 4, the lower surface of the pressing plate 23 is attached to the packing 22, the connecting plate 24 is slidably sleeved outside the valve rod 4, the lower surface of the connecting plate 24 is attached to the pressing plate 23, and the connecting plate 24 is detachably connected with the valve cover 2 through bolts. When the valve rod sealing device is used, the packing 22 is filled between the valve rod 4 and the valve cover 2, the pressing plate 23 is pressed on the packing 22, the connecting plate 24 is pressed on the pressing plate 23, the connecting plate 24 and the valve cover 2 are fixedly connected through bolts, and sealing between the valve rod 4 and the valve cover 2 is completed.
Referring to fig. 1-5, a fixing frame 25 is provided on the valve cover 2, and a screw 5 penetrates through the fixing frame 25, and the second bevel gear 9 is rotatably connected with the upper surface of the fixing frame 25. The fixing frame 25 is provided with an indicating mechanism, the indicating mechanism comprises a mounting frame 26, a connecting block 27 and an indicating block 28, the mounting frame 26 is arranged on the fixing frame 25, the connecting block 27 is connected with the top of the screw 5, the indicating block 28 is fixedly connected with the connecting block 27, the indicating block 28 is in sliding fit with the mounting frame 26, and a sliding groove 29 matched with the indicating block 28 is formed in the mounting frame 26. An observation window 30 is provided on the dust cover 10 at a position corresponding to the indication block 28. When the rotary type shutter is used, the hand wheel 6 is rotated, the drive shaft 7 is driven to rotate together with the first bevel gear 8 on the drive shaft 7, the driven second bevel gear 9 is further driven to rotate, the second bevel gear 9 is sleeved outside the screw 5 in a threaded mode, the screw 5 is driven to move up and down when the second bevel gear 9 rotates, the connecting block 27 is further driven to move up and down, the indicating block 28 is driven to move in the sliding groove 29, the position of the indicating block 28 is observed through the observation window 30, and therefore whether the shutter 3 is in a closed state or an open state at the moment is obtained.
Example 2:
in sum, when in use, the hand wheel 6 is rotated to drive the driving shaft 7 and the first bevel gear 8 on the driving shaft 7 to rotate together, then the driven second bevel gear 9 rotates, the second bevel gear 9 is sleeved outside the screw 5 in a threaded manner, the screw 5 is driven to move up and down when the second bevel gear 9 rotates, then the connecting block 27 is driven to move up and down, the indicating block 28 is driven to move in the sliding groove 29, the position of the indicating block 28 is observed through the observation window 30, so that the flashboard 3 is in a closed state or an open state at the moment, when the flashboard 3 moves up, the flashboard 3 moves up in the sealing seat 20 at the moment, the liquid inlet pipe 18 and the liquid outlet pipe 19 are communicated, liquid can circulate, when the flashboard 3 moves down, the flashboard 3 moves down in the sealing seat 20 at the moment, the liquid inlet pipe 18 and the liquid outlet pipe 19 are blocked, and the liquid cannot circulate in the valve body 1 at the moment.
Example 3:
to sum up, when in use, the rubber seat 13 is inserted into the slag discharge port 14, the connecting seat 11 is rotated to be in threaded connection with the slag discharge port 14 until the first sealing surface 15 on the rubber seat 13 is attached to the second sealing surface 16 at the slag discharge port 14, the sealing of the slag discharge port 14 is completed, sediment and particles in the valve body 1 fall into the sealing seat 20, then are accumulated at the slag discharge port 14 through the through holes 21, the slag discharge port 14 is cleaned regularly, and then the flashboard 3 is closed first when cleaning is performed, at this time, the connecting seat 11 is screwed out from the slag discharge port 14, and the sediment falls from the slag discharge port 14.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (8)
1. High temperature resistant gate valve, including valve body (1), its characterized in that: the utility model provides a dust cover, valve body (1) is equipped with headstock gear, dust keeper and sediment device in, headstock gear includes valve gap (2), flashboard (3), valve rod (4), screw rod (5), actuating mechanism and sealing mechanism, valve gap (2) set up the other end at valve body (1), and connect through bolt detachably between valve gap (2) and valve body (1), flashboard (3) sliding arrangement is in valve body (1), the bottom and flashboard (3) fixed connection of valve rod (4), the top of valve rod (4) runs through valve gap (2) and with screw rod (5) fixed connection, actuating mechanism includes hand wheel (6), drive shaft (7), first bevel gear (8) and second bevel gear (9), the one end and hand wheel (6) of drive shaft (7) are connected, and first bevel gear (8) and second bevel gear (9) meshing, dust keeper includes dust cover (10) and bottom and drive shaft (10) are connected through rotatable coupling (10) and dust cover (10).
2. A high temperature resistant gate valve as defined in claim 1, wherein: the slag discharging device comprises a connecting seat (11), a connecting rod (12) and a rubber seat (13), wherein a slag discharging opening (14) is formed in the bottom of the valve body (1), one end of the connecting rod (12) is fixedly connected with the connecting seat (11), the other end of the connecting rod is rotationally connected with the rubber seat (13), the connecting seat (11) is in threaded connection with the slag discharging opening (14), the rubber seat (13) is arranged in the slag discharging opening (14), a first sealing surface (15) is arranged on the rubber seat (13), a second sealing surface (16) is arranged in the slag discharging opening (14), and the first sealing surface (15) is attached to the second sealing surface (16).
3. A high temperature resistant gate valve as defined in claim 2, wherein: the valve is characterized in that a cavity (17) is arranged in the valve body (1), a liquid inlet pipe (18) and a liquid outlet pipe (19) are respectively arranged on two sides of the cavity (17), a sealing seat (20) is arranged in the cavity (17), the flashboard (3) is arranged in the sealing seat (20) in a sliding mode, and a through hole (21) is formed in the bottom of the sealing seat (20).
4. A high temperature resistant gate valve as defined in claim 1, wherein: sealing mechanism includes filler (22), clamp plate (23) and connecting plate (24), filler (22) set up in valve gap (2), and the parcel is outside valve rod (4), and clamp plate (23) slip cap is established outside valve rod (4), and the lower surface of clamp plate (23) is laminated with filler (22), and connecting plate (24) slip cap is established outside valve rod (4), and the lower surface of connecting plate (24) is laminated with clamp plate (23), connects through bolt detachably between connecting plate (24) and valve gap (2).
5. A high temperature resistant gate valve as defined in claim 1, wherein: the valve cover (2) is provided with a fixing frame (25), the screw (5) penetrates through the fixing frame (25), and the second bevel gear (9) is rotationally connected with the upper surface of the fixing frame (25).
6. The high temperature resistant gate valve of claim 5, wherein: be equipped with indicating mechanism on mount (25), indicating mechanism includes mounting bracket (26), connecting block (27) and instruction piece (28), mounting bracket (26) set up on mount (25), and the top of connecting block (27) and screw rod (5) is connected, indicates piece (28) and connecting block (27) fixed connection, and indicates piece (28) and mounting bracket (26) sliding fit, is provided with on mounting bracket (26) with indicate piece (28) complex spout (29).
7. The high temperature resistant gate valve of claim 6, wherein: an observation window (30) is arranged on the dust cover (10) and corresponds to the indication block (28).
8. A high temperature resistant gate valve as defined in claim 1, wherein: a ceramic high temperature resistant layer (31) is arranged in the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614026.XU CN219774842U (en) | 2023-03-27 | 2023-03-27 | High temperature resistant gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614026.XU CN219774842U (en) | 2023-03-27 | 2023-03-27 | High temperature resistant gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774842U true CN219774842U (en) | 2023-09-29 |
Family
ID=88133212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320614026.XU Active CN219774842U (en) | 2023-03-27 | 2023-03-27 | High temperature resistant gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774842U (en) |
-
2023
- 2023-03-27 CN CN202320614026.XU patent/CN219774842U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |