CN213415537U - Novel dry ash conveying pneumatic double-gate valve - Google Patents
Novel dry ash conveying pneumatic double-gate valve Download PDFInfo
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- CN213415537U CN213415537U CN202022135372.9U CN202022135372U CN213415537U CN 213415537 U CN213415537 U CN 213415537U CN 202022135372 U CN202022135372 U CN 202022135372U CN 213415537 U CN213415537 U CN 213415537U
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- 238000007789 sealing Methods 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 20
- 239000010937 tungsten Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a novel pneumatic double gate valve is carried to dry ash, including cylinder, fixing base, well valve body, the valve rod is connected to the end shaft of cylinder, and the valve rod runs through fixing base, well valve body in proper order, and its bottom is provided with the push pedal, and the outer anchor ring of valve rod is close to the inboard of fixing base and is provided with the sealing filler, and the upper end of sealing filler is provided with the briquetting, and the upper end of briquetting runs through the inside of fixing base and is provided with the bolt, and the inner side that the outer anchor ring of valve rod is close to well valve body is provided; this novel pneumatic double gate valve is carried to dry ash crosses setting up hydraulic pressure sleeve pipe, slot, inserted block, can prevent the sealed positional deviation who causes of valve plate to this realizes the spacing sealed stability of valve plate, through setting up gland packing, high pressure seal circle, fixture block, pressure spring, tungsten steel sheet, makes between the tungsten steel sheet of valve plate both sides and the side valve body laminating inseparabler, and hard seal effect is better, thereby has prolonged the life of valve.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a novel pneumatic double gate valve is carried to dry ash.
Background
The pneumatic double-gate valve is a new type quick open-close valve, mainly formed from valve body, valve plate and cylinder. The sliding of the valve plate is realized by driving the connecting rod through the cylinder, and the valve plate and the valve body are sealed in a hard sealing mode. When the gate valve needs to be closed, a driving device on the gate valve drives a valve rod to move downwards, the linked left plate body and the linked right plate body on the valve rod respectively move towards the side valve body, and a sealing surface is formed when the side valve body is tightly attached to the two plate bodies, so that the aim of completely closing the gate valve can be fulfilled. The product is widely applied to the switch control of the discharge hole and the exhaust port of dry ash and dry powder materials in pneumatic conveying systems in the fields of electric power, metallurgy, chemical industry, food, pharmacy and the like.
The prior art has the following defects or problems:
1. current pneumatic double gate valve drives the valve rod through the cylinder and moves from top to bottom, and when the valve rod drove two flashboards and removed, the flashboard can have the slump phenomenon of translation rate, and the valve plate does not have effectual stop device when contacting with the disk seat inner wall simultaneously, produces sealed deviation easily to it is relatively poor to lead to valve plate mobility stability, has reduced the practicality that control flap opened and stops.
2. When the existing pneumatic double gate plate is used for conveying dry ash materials, the sealing performance of the valve is poor, and the pressure stabilizing performance of the valve cannot be realized, so that the service life of the valve is influenced, and inconvenience is brought to a user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a novel dry ash carries pneumatic double gate valve, solve the problem of mentioning in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel dry ash conveying pneumatic double-gate valve comprises a cylinder, a fixed seat and a middle valve body, wherein an end shaft of the cylinder is connected with a valve rod, the valve rod sequentially penetrates through the fixed seat and the middle valve body, a push plate is arranged at the bottom end of the valve rod, sealing filler is arranged on the inner side, close to the fixed seat, of the outer ring surface of the valve rod, a pressing block is arranged at the upper end of the sealing filler, a bolt is arranged at the upper end of the pressing block, which penetrates through the inside of the fixed seat, a high-pressure sealing ring is arranged on the inner side, close to the middle valve body, of the outer ring surface of the valve rod, a hydraulic sleeve is longitudinally arranged on the upper surface wall of the middle valve body, a valve plate is arranged on one side, close to the push plate, of the lower end of the hydraulic sleeve is provided with a valve plate, a clamping block is, one side of valve plate is provided with the tungsten steel sheet, the lower extreme outside of well valve body sets up the side valve body, the inside of side valve body is provided with the through-hole.
As the utility model discloses an optimal technical scheme, seal packing's plane shape is T shape fretwork form, the valve rod cup joints with seal packing, the quantity of bolt is two sets of, the bolt runs through behind briquetting, the seal packing in proper order and fixing base top screwed connection.
As the utility model discloses an optimized technical scheme, high pressure seal's shape is the annular, the interior top of valve body in high pressure seal arranges in, high pressure seal cup joints with the valve rod.
As the utility model discloses an optimal technical scheme, hydraulic pressure sheathed tube quantity is two sets of, the quantity of valve plate is two sets of, and is left valve plate, right valve plate respectively, hydraulic pressure sheathed tube one end and the internal top fixed connection of well valve, hydraulic pressure sheathed tube other end and valve plate fixed connection.
As the utility model discloses an optimal technical scheme, the shape of fixture block is T shape, and quantity is four groups, the quantity of fixture block is the same with the quantity of draw-in groove, the one end of fixture block is passed through pressure spring and the inside fixed connection of draw-in groove.
As the utility model discloses a preferred technical scheme, the shape of inserted block is the rectangle, and quantity is two sets of, the quantity of inserted block is the same with the quantity of slot.
As the utility model discloses a preferred technical scheme, the quantity of tungsten steel sheet is two sets of, constitute sealed face between the inner wall of tungsten steel sheet and side valve body.
Compared with the prior art, the utility model provides a novel pneumatic double gate valve is carried to dry ash possesses following beneficial effect:
1. this novel pneumatic double gate valve is carried to dry ash, through setting up hydraulic sleeve, the slot, the inserted block, when using pneumatic double gate valve, drive valve rod longitudinal movement through the cylinder, when the push pedal drives the valve plate and opens and close, two sets of hydraulic sleeve of accessible make the valve rod more steady when ordering about the valve plate and removing, the change of velocity dip can not appear, make the opening and closing of valve plate offside valve body inner wall more steady, simultaneously under the cooperation that the position of slot and inserted block corresponds, when the valve plate descends the action, the slot that is located the valve plate lower extreme is pegged graft mutually with the inserted block, the position of valve plate can be corresponding with the inside through-hole position of side valve body this moment, can prevent the sealed positional deviation who causes of valve plate, with this stability of having realized the spacing seal of valve plate.
2. The novel dry ash conveying pneumatic double-gate valve is characterized in that the sealing filler, the high-pressure sealing ring, the fixture block, the pressure spring and the tungsten steel plate are arranged, the sealing filler can be pressed through the pressure block, the pressure block can be used for preventing the pressure leakage phenomenon outside the valve in the lifting process of the push plate under the fastening of the bolt, the pressure leakage phenomenon inside the valve of the middle valve body is further reduced under the action of the high-pressure sealing ring, the whole sealing performance of the valve is effectively improved, the leakage is reduced to the minimum, the use is more stable and safer, meanwhile, under the matching of the fixture block and the clamping groove, the valve plate can be fixedly propped against the inner wall of the side valve body through the pressure spring when the valve plate is positioned at the position corresponding to the inner wall of the side valve body, the sealing surface can be formed by the tungsten steel plate and the inner wall of the side valve body, and the tungsten steel plate is called as hard alloy and has high hardness, wear resistance and good strength, so that the tungsten steel plate and, the hard sealing effect is better, thereby prolonging the service life of the valve.
Drawings
FIG. 1 is an overall sectional view of the present invention;
FIG. 2 is a schematic view of the sealing packing structure of the present invention;
FIG. 3 is a schematic view of the valve plate structure of the present invention;
fig. 4 is an enlarged schematic view of the structure at a position a of the present invention.
In the figure: 1. a cylinder; 2. a fixed seat; 3. a middle valve body; 4. a valve stem; 5. pushing the plate; 6. sealing and filling; 7. briquetting; 8. a bolt; 9. a high pressure seal ring; 10. a hydraulic bushing; 11. a valve plate; 12. a clamping block; 13. a card slot; 14. a pressure spring; 15. a slot; 16. inserting a block; 17. a tungsten steel plate; 18. a side valve body; 19. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: a novel dry ash conveying pneumatic double-gate valve comprises a cylinder 1, a fixed seat 2 and a middle valve body 3, wherein an end shaft of the cylinder 1 is connected with a valve rod 4, the valve rod 4 sequentially penetrates through the fixed seat 2 and the middle valve body 3, a push plate 5 is arranged at the bottom end of the fixed seat 2, a sealing filler 6 is arranged on the inner side, close to the fixed seat 2, of the outer annular surface of the valve rod 4, a pressing block 7 is arranged at the upper end of the sealing filler 6, a bolt 8 is arranged on the upper end of the pressing block 7, penetrating through the inside of the fixed seat 2, a high-pressure sealing ring 9 is arranged on the inner side, close to the middle valve body 3, of the outer annular surface of the valve rod 4, a hydraulic sleeve 10 is longitudinally arranged on the upper surface wall of the middle valve body 3, a valve plate 11 is arranged on one side, close to the push plate 5, a clamping block 12 is arranged, an insertion block 16 is arranged at the bottom of the inner part of the insertion groove 15 close to the push plate 5, a tungsten steel plate 17 is arranged at one side of the valve plate 11, a side valve body 18 is arranged outside the lower end of the middle valve body 3, and a through hole 19 is arranged inside the side valve body 18.
In the embodiment, the planar shape of the sealing filler 6 is a T-shaped hollow shape, the valve rod 4 is sleeved with the sealing filler 6, the number of the bolts 8 is two, the bolts 8 sequentially penetrate through the pressing block 7 and the sealing filler 6 and then are in screwed connection with the top end of the fixed seat 2, and the leakage pressure of the valve can be protected by fastening the sealing filler 6; the high-pressure sealing ring 9 is annular, the high-pressure sealing ring 9 is arranged at the inner top end of the middle valve body 3, and the high-pressure sealing ring 9 is sleeved with the valve rod 4, so that the sealing performance of the valve is further improved, and the leakage phenomenon is prevented; the hydraulic sleeve 10 is divided into two groups, the valve plates 11 are divided into two groups, namely a left valve plate and a right valve plate, and the two groups of valve plates can be used for opening and closing the two groups of side valve bodies 18, one end of the hydraulic sleeve 10 is fixedly connected with the top end in the middle valve body 3, and the other end of the hydraulic sleeve 10 is fixedly connected with the valve plates 11, so that the movement stability of the valve plates 11 can be realized; the fixture blocks 12 are T-shaped and four in number, the number of the fixture blocks 12 is the same as that of the fixture grooves 13, one ends of the fixture blocks 12 are fixedly connected with the inside of the fixture grooves 13 through pressure springs 14, so that the valve plate 11 and the side valve body 18 can be attached more tightly, and the sealing effect is better; the shape of the insertion blocks 16 is rectangular, the number of the insertion blocks is two, the number of the insertion blocks 16 is the same as that of the insertion slots 15, and the insertion blocks can be used for limiting the descending sealing of the valve plate 11, so that the sealing stability is improved; the quantity of tungsten steel 17 is two sets ofly, constitutes sealed face between the inner wall of tungsten steel 17 and side valve body 18 for tungsten steel 17 is inseparabler with the laminating of side valve body 18 inner wall, and hard sealed effect is better.
The utility model discloses a theory of operation and use flow: when a user uses a pneumatic double-gate valve, the valve rod 4 is driven to move longitudinally through the air cylinder 1, when the push plate 5 drives the valve plate 11 to open and close, the valve rod 4 can be more stable when driving the valve plate 11 to move through the two groups of hydraulic sleeves 10, the change of speed dip can not occur, so that the opening and closing of the inner wall of the side valve body 18 of the valve plate 11 are more stable, meanwhile, under the matching of the positions of the inserting grooves 15 and the inserting blocks 16, when the valve plate 11 descends, the inserting grooves 15 at the lower end of the valve plate 11 are inserted into the inserting blocks 16, the position of the valve plate 11 can correspond to the position of the through holes 19 in the side valve body 18 at the moment, the position deviation caused by the sealing of the valve plate 11 can be prevented, and the stability; then the sealing packing 6 can be pressed by the pressing block 7 and can be used for avoiding the external pressure leakage phenomenon of the valve when the push plate 5 is lifted and descended under the fastening of the bolt 8, meanwhile, under the action of the high-pressure sealing ring 9, the internal pressure leakage phenomenon of the valve is further reduced, so that the whole sealing performance of the valve is effectively improved, the leakage is reduced to the minimum, the use is more stable and safer, meanwhile, under the matching of the clamping block 12 and the clamping groove 13, when the valve plate 11 is positioned at the position of the corresponding inner wall of the side valve body 18, the valve plate 11 can be fixed on the inner wall of the side valve body 18 through the pressure spring 14, the tungsten steel plate 17 and the inner wall of the side valve body 18 can form a sealing surface, because the tungsten steel plate 17 is hard alloy, has high hardness, wear resistance and good strength, the tungsten steel plates 17 on the two sides of the valve plate 11 are attached to the side valve body 18 more tightly, the hard sealing effect is better, and the service life of the valve is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel pneumatic double gate valve is carried to dry ash which characterized in that: the sealing device comprises an air cylinder (1), a fixed seat (2) and a middle valve body (3), wherein an end shaft of the air cylinder (1) is connected with a valve rod (4), the valve rod (4) sequentially penetrates through the fixed seat (2) and the middle valve body (3), a push plate (5) is arranged at the bottom end of the valve rod, a sealing filler (6) is arranged on the inner side, close to the fixed seat (2), of the outer ring surface of the valve rod (4), a pressing block (7) is arranged at the upper end of the sealing filler (6), a bolt (8) is arranged at the upper end of the pressing block (7) and penetrates through the fixed seat (2), a high-pressure sealing ring (9) is arranged on the inner side, close to the middle valve body (3), of the outer ring surface of the valve rod (4), a hydraulic sleeve (10) is longitudinally arranged on the upper surface of the middle valve body (3), a valve plate (11) is arranged on one side, close to, the outside of fixture block (12) is provided with draw-in groove (13), the inside of draw-in groove (13) is provided with pressure spring (14), the bottom of valve plate (11) is provided with slot (15), the bottom that the inside of slot (15) is close to push pedal (5) is provided with inserted block (16), one side of valve plate (11) is provided with tungsten steel sheet (17), the lower extreme outside of well valve body (3) sets up side valve body (18), the inside of side valve body (18) is provided with through-hole (19).
2. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the planar shape of the sealing filler (6) is T-shaped hollow, the valve rod (4) is sleeved with the sealing filler (6), the number of the bolts (8) is two, and the bolts (8) sequentially penetrate through the pressing block (7) and the sealing filler (6) and then are connected with the top end of the fixing seat (2) through screws.
3. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the high-pressure sealing ring (9) is annular, the high-pressure sealing ring (9) is arranged at the inner top end of the middle valve body (3), and the high-pressure sealing ring (9) is sleeved with the valve rod (4).
4. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the hydraulic control valve is characterized in that the number of the hydraulic sleeves (10) is two, the number of the valve plates (11) is two, the valve plates are respectively a left valve plate and a right valve plate, one end of each hydraulic sleeve (10) is fixedly connected with the inner top end of the middle valve body (3), and the other end of each hydraulic sleeve (10) is fixedly connected with the valve plate (11).
5. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the clamping blocks (12) are T-shaped and four in number, the number of the clamping blocks (12) is the same as that of the clamping grooves (13), and one ends of the clamping blocks (12) are fixedly connected with the inner parts of the clamping grooves (13) through compression springs (14).
6. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the shape of inserted block (16) is the rectangle, and the quantity is two sets of, the quantity of inserted block (16) is the same with the quantity of slot (15).
7. The novel dry ash conveying pneumatic double-gate valve as claimed in claim 1, is characterized in that: the number of the tungsten steel plates (17) is two, and a sealing surface is formed between the tungsten steel plates (17) and the inner wall of the side valve body (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022135372.9U CN213415537U (en) | 2020-09-25 | 2020-09-25 | Novel dry ash conveying pneumatic double-gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022135372.9U CN213415537U (en) | 2020-09-25 | 2020-09-25 | Novel dry ash conveying pneumatic double-gate valve |
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| Publication Number | Publication Date |
|---|---|
| CN213415537U true CN213415537U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022135372.9U Active CN213415537U (en) | 2020-09-25 | 2020-09-25 | Novel dry ash conveying pneumatic double-gate valve |
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| Country | Link |
|---|---|
| CN (1) | CN213415537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023148192A1 (en) * | 2022-02-04 | 2023-08-10 | Vat Holding Ag | Vacuum valve system for a vacuum transport system |
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2020
- 2020-09-25 CN CN202022135372.9U patent/CN213415537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023148192A1 (en) * | 2022-02-04 | 2023-08-10 | Vat Holding Ag | Vacuum valve system for a vacuum transport system |
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