CN212291269U - Powder strong shut-off valve and stock bin - Google Patents
Powder strong shut-off valve and stock bin Download PDFInfo
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- CN212291269U CN212291269U CN202020370696.8U CN202020370696U CN212291269U CN 212291269 U CN212291269 U CN 212291269U CN 202020370696 U CN202020370696 U CN 202020370696U CN 212291269 U CN212291269 U CN 212291269U
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Abstract
The utility model provides a powerful powder shut-off valve and a storage bin, wherein the powerful powder shut-off valve comprises a gear shaft, a rack valve plate and a shell, and two parallel slideways are arranged above the inner wall of the shell; the rack valve plate is arranged in the shell and comprises a valve plate and a rack fixed on the lower plane of the valve plate, two sides of the valve plate are arranged in two slide ways in a sliding manner, the rack is parallel to the slide ways, and the valve plate can be driven by the rack to seal or open an opening at the top of the shell; a first material buffer area and a second material buffer area are respectively arranged in the shell on two sides of the top opening; the first material buffer area can contain the rack valve plate, and the upper portion of the inner wall of the shell below the first material buffer area is provided with a ventilation plate gear shaft which penetrates through the shell below the rack valve plate and is in meshed transmission with the rack of the rack valve plate to drive the valve to be opened and closed. Reasonable structure, convenient operation, material buffer area, and can avoid the material to block the valve.
Description
Technical Field
The utility model relates to a feed bin bottom valve body technique especially relates to a powerful shut-off valve of powder and feed bin.
Background
Because all deposit a large amount of materials in the feed bin, the feed bin discharge gate all need set up the material trip valve, and the resistance of material need be overcome when the trip valve is opened and is closed, and present trip valve has the phenomenon of unable normal opening and closing often because of structural defect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a powerful shut-off valve of powder to the problem of the phenomenon that often can't normally open and close when current trip valve, this push-pull valve is rational in infrastructure, convenient operation, has the material buffer, can avoid the material to block up the valve.
In order to achieve the above object, the utility model adopts the following technical scheme: a powder strong shut-off valve comprises a gear shaft, a rack valve plate and a shell, wherein the top and the bottom of the shell are respectively provided with a top opening and a bottom opening, and two parallel slideways are arranged above the inner wall of the shell; the rack valve plate is arranged in the shell and comprises a valve plate and a rack fixed on the lower plane of the valve plate, two sides of the valve plate are arranged in two slide ways in a sliding manner, the rack (the length direction of the rack) is parallel to the slide ways, and the valve plate can be driven by the rack to block or open an opening at the top of the shell; a first material buffer area and a second material buffer area are respectively arranged in the shell on two sides of the top opening; the first material buffer area can contain a rack valve plate (the valve plate slides back and forth with the material buffer area from the lower part of the top opening of the shell under the driving of the gear shaft), a vent plate is arranged above the inner wall of the shell below the first material buffer area, an air chamber is formed between the vent plate and the inner wall of the shell below the vent plate, the vent plate inclines towards the opening direction of the bottom of the shell, an air supply port is arranged on the inner wall of the shell below the first material buffer area, and an external air supply device is communicated with the air chamber through the air supply port;
the gear shaft (the circumference is provided with the tooth) is arranged in the shell below the rack valve plate in a penetrating way and is meshed with the rack of the rack valve plate for transmission to drive the valve to be opened and closed.
Furthermore, two parallel racks are fixed on the lower plane of the valve plate.
Further, the second material buffer zone is in an ear shape.
Furthermore, one end of the gear shaft is connected with an executing mechanism, and the executing mechanism is connected with an electric executing mechanism or a pneumatic executing mechanism.
Furthermore, a copper sleeve is sleeved at the intersection of the gear shaft and the shell, and an end cover is sleeved at the end part of the gear shaft outside the shell.
Further, sealing rings are arranged at two ends of the gear shaft on the inner side of the shell.
Furthermore, elastic check rings are sleeved at two ends of the gear shaft in the shell, and elastic check ring gaskets are arranged between the end covers and the elastic check rings.
Further, the first material buffer area side plate is fixed on the shell through a detachable screw.
The utility model discloses powerful shut-off valve theory of operation of powder: the utility model discloses powerful shut-off valve of powder is installed in the feed bin bottom, when needing to open or close the valve, start electronic/pneumatic actuating mechanism, drive the rack through the gear shaft, because rack and valve plate are the integral structure, the gear shaft rotates and drives valve plate horizontal migration, the both ends of valve plate motion fore-and-aft direction all are provided with the material buffer, ensure the normal of valve plate and open and close, the valve plate is when the state of opening completely, there is partial material to take ventilative board upper portion along with the motion of valve plate, under the effect of air chamber air feed, the material gets back to in the unloading pipeline again along the angle direction of ventilative board.
The utility model discloses a another purpose still discloses a feed bin, and this feed bin bottom is provided with the powerful shutoff valve of above-mentioned powder, and the export of feed bin bottom and the powerful shutoff valve open-top intercommunication of powder.
The utility model discloses a use feed bin bottom to open and cut off valve for material-powerful shutoff valve of powder, compare with prior art and have following advantage:
1) the valve plate is not easy to block under the resistance when being opened and closed;
2) the driving mode is not limited, and the driving can be realized by adopting three modes of manual driving, pneumatic driving and electric driving;
3) because both sides are provided with the buffers, be difficult for blockking up the material in the slide, the life-span of extension valve.
4) The powerful shut-off valve of powder can use in trades such as metallurgy, electric power and be used for cutting off the material, and the drive form of push-pull valve is generally manual, pneumatic, electronic, and three kinds of drive modes all can adopt this kind of valves.
Drawings
FIG. 1 is a front view of the double rack gate valve of the present invention;
FIG. 2 is a top view of the double rack gate valve of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a front view of the valve plate;
FIG. 6 is a top view of the valve plate;
FIG. 7 is a left side view of the valve plate;
fig. 8 is a sectional view a-a of fig. 6.
Detailed Description
The invention is further illustrated below with reference to the following examples:
example 1
The embodiment discloses a powerful powder shut-off valve for opening and shutting off materials at the bottom of a storage bin, which is structurally shown in figures 1-8 and comprises a gear shaft 7, a rack valve plate 10 and a shell 1, wherein the top and the bottom of the shell are respectively provided with a top opening and a bottom opening, and the top opening and the bottom opening are provided with flange plates for being connected with other equipment. Two parallel slideways 12 are arranged above the inner wall of the shell 1.
The rack valve plate 10 is arranged inside the shell 1, the rack valve plate 10 comprises a valve plate 18 and two parallel racks 19 fixed on the lower plane of the valve plate, two sides of the valve plate 18 are arranged in two slide ways 12 in a sliding mode, the racks 19 (in the length direction of the racks) are parallel to the slide ways 12, each slide way 12 comprises a plurality of limiting screws 11, the valve plate slides on the tops of the limiting screws, and the limiting screws drag the valve plate. The valve plate 18 can be driven by the rack 19 to block or open the top opening of the shell 1; a first material buffer area and a second material buffer area are respectively arranged in the shell on two sides of the top opening; the first material buffer area can contain a rack valve plate 10 (the valve plate slides back and forth with the material buffer area from the lower part of the top opening of the shell 1 under the driving of the gear shaft 7), a ventilating plate 15 is arranged above the inner wall of the shell 1 below the first material buffer area, an air chamber 16 is formed between the ventilating plate 15 and the inner wall of the shell 1 below the ventilating plate 15, the ventilating plate 15 inclines towards the opening direction of the bottom of the shell 1, an air supply port 17 is arranged on the inner wall of the shell 1 below the first material buffer area, and an external air supply device is communicated with the air chamber 16 through the air supply port 17; the second material buffer zone is ear-shaped.
The gear shaft 7 (provided with teeth in the circumferential direction) penetrates through the shell 1 below the rack valve plate 10 and is in meshed transmission with the rack of the rack valve plate 10 to drive the valve to be opened and closed.
One end of the gear shaft 7 is connected with an actuating mechanism, and the actuating mechanism is an electric actuating mechanism or a pneumatic actuating mechanism. The gear shaft 7 is sleeved with a first copper sleeve 9 and a second copper sleeve 2 at the intersection of the shell 1, and a first end cover 8 and a second end cover 3 are sleeved at the end part of the gear shaft outside the shell 1. The second copper sleeve 2 and the second end cap 3 are arranged at one end connected with the actuating mechanism. And sealing rings 4 are arranged at two ends of a gear shaft 7 on the inner side of the shell 1. Circlip 6 is established to the both ends cover of casing 1 internal gear axle 7, and circlip 6 is used for axial positioning, sets up circlip gasket 5 between end cover and the circlip 6. The sealing ring 4, the elastic retainer ring gasket 5 and the elastic retainer ring 6 are arranged in sequence.
The first material buffer area side plate is fixed on the shell 1 through a detachable screw 14, and the screw 14 is used for fastening the side plate (blocking plate) on one side of the first material buffer area, so that the powder powerful shutoff valve is convenient to overhaul. A gasket 13 is provided between the side plate and the housing 1.
The working principle of the powder strong shut-off valve of the embodiment is as follows: the powerful shutoff valve of powder is installed in the feed bin bottom, when needing to open or close the valve, start electronic/pneumatic actuating mechanism, drive the rack through the gear shaft, because rack and valve plate are the integral structure, the gear shaft rotates and drives valve plate horizontal migration, the valve plate slides between slide 12 and stop screw 11, the both ends of valve plate motion fore-and-aft direction all are provided with the material buffer, ensure the normal of valve plate and open and close, the valve plate is when the state of opening completely, there is partial material to take to air-permeable plate upper portion along with the motion of valve plate, under the effect of air chamber air feed, the material gets back to in the unloading pipeline again along the angle direction of air-permeable plate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The powder powerful shutoff valve is characterized by comprising a gear shaft (7), a rack valve plate (10) and a shell (1), wherein the top and the bottom of the shell are respectively provided with a top opening and a bottom opening, and two parallel slideways (12) are arranged above the inner wall of the shell (1);
the rack valve plate (10) is arranged in the shell (1), the rack valve plate (10) comprises a valve plate and a rack fixed on the lower plane of the valve plate, two sides of the valve plate are arranged in two slide ways (12) in a sliding mode, the rack is parallel to the slide ways (12), and the valve plate can be driven by the rack to block or open an opening in the top of the shell (1); a first material buffer area and a second material buffer area are respectively arranged in the shell on two sides of the top opening; the rack valve plate (10) can be accommodated in the first material buffer area, a vent plate (15) is arranged above the inner wall of the shell (1) below the first material buffer area, an air chamber (16) is formed between the vent plate (15) and the inner wall of the shell (1) below the vent plate, the vent plate (15) inclines towards the opening direction of the bottom of the shell (1), an air supply port (17) is formed in the inner wall of the shell (1) below the first material buffer area, and an external air supply device is communicated with the air chamber (16) through the air supply port (17);
the gear shaft (7) penetrates through the shell (1) below the rack valve plate (10) and is in meshed transmission with the rack of the rack valve plate (10).
2. The powder high-power shutoff valve of claim 1, wherein two parallel racks are fixed on the lower plane of the valve plate.
3. The powder strong shut-off valve according to claim 1, characterized in that a copper sleeve is sleeved at the intersection of the gear shaft (7) and the housing (1), and an end cover is sleeved at the end of the gear shaft outside the housing (1).
4. The powder strong shut-off valve according to claim 1, characterized in that sealing rings are arranged at two ends of a gear shaft inside the shell (1).
5. The powder high power shutoff valve of claim 1, wherein circlips are provided at both ends of the gear shaft in the housing, and a gasket for the circlips is provided between the end cap and the circlip.
6. The powder high power shutoff valve of claim 1 wherein the first material buffer side plate is secured to the housing by a removable screw.
7. A storage bin, characterized in that the bottom of the storage bin is provided with the powder strong shut-off valve of any one of claims 1 to 5, and the outlet at the bottom of the storage bin is communicated with the top opening of the powder strong shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370696.8U CN212291269U (en) | 2020-03-23 | 2020-03-23 | Powder strong shut-off valve and stock bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370696.8U CN212291269U (en) | 2020-03-23 | 2020-03-23 | Powder strong shut-off valve and stock bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212291269U true CN212291269U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020370696.8U Active CN212291269U (en) | 2020-03-23 | 2020-03-23 | Powder strong shut-off valve and stock bin |
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| Country | Link |
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| CN (1) | CN212291269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252397A (en) * | 2020-03-23 | 2020-06-09 | 大连碧海环保设备有限公司 | Powder strong shut-off valve and stock bin |
| CN113401597A (en) * | 2021-07-06 | 2021-09-17 | 无锡考特威星机械有限公司 | Auger discharger with valve |
-
2020
- 2020-03-23 CN CN202020370696.8U patent/CN212291269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252397A (en) * | 2020-03-23 | 2020-06-09 | 大连碧海环保设备有限公司 | Powder strong shut-off valve and stock bin |
| CN113401597A (en) * | 2021-07-06 | 2021-09-17 | 无锡考特威星机械有限公司 | Auger discharger with valve |
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