CN215861804U - Novel electric sealing gate valve - Google Patents
Novel electric sealing gate valve Download PDFInfo
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- CN215861804U CN215861804U CN202120664356.0U CN202120664356U CN215861804U CN 215861804 U CN215861804 U CN 215861804U CN 202120664356 U CN202120664356 U CN 202120664356U CN 215861804 U CN215861804 U CN 215861804U
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Abstract
The utility model relates to a novel electric sealing gate valve, which comprises a valve body, a valve plate and a pressing mechanism, wherein the valve body comprises a rectangular frame with a containing cavity, a rectangular top plate is laid on one surface of the valve body close to a material, and a feeding hole is formed by a gap between the rectangular top plate and the rectangular frame; the valve plate is arranged in the containing cavity; the hold-down mechanism includes parallel and pivoted main shaft with the valve plate, wears to be equipped with a plurality of cams on the main shaft, and the bellied height of cam equals the interval of valve plate and feed inlet at least. The utility model has reasonable design and convenient use, and avoids the influence on the ongoing operation caused by the fault of the structure; the friction force is small, energy is saved, consumption is reduced, external leakage is avoided, the service life is long, a pressing mechanism is additionally arranged on the original basis, sealing is realized when the valve is closed, and sealing in the ash bin is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of gate valves, and particularly relates to a novel electric sealing gate valve.
Background
At present, an electric gate valve for discharging materials from the bottom of an ash bin in the fields of metallurgy and the like is characterized in that a nut is welded at the bottom of a gate board, a lead screw penetrates through the nut to rotate to drive the gate board to penetrate through a rectangular opening on a channel steel cross beam in the middle of a valve body to move linearly so as to realize the opening and closing of the valve, in order to reduce the leakage of dust to a bin body, some devices such as a stop block, a packing and a pressing strip are additionally arranged on two sides of the gate board so as to improve the sealing effect, but the sealing effect is unsatisfactory after the gate board is operated for a period of time, the sealing device increases the friction torque of the gate board, the valve is particularly in an opening state for a long time and is often blocked and cannot be closed due to the corrosion of the gate board or the thermal deformation and other factors, and the sealing effect cannot be realized when the valve board is closed.
Chinese patent No. CN 110778733 a discloses a fully sealed electric gate valve for controlling discharge of powder or mixed materials, the sealing structure of the valve plate adopts felt and adhesive tape, and is provided with a spring to pressurize the felt, the driving device adopts a motor to drive a belt pulley and a rack to drive the gate; although the sealing effect of the fully-sealed electric gate valve is improved to a certain extent, in use, if a large pressure acts on the valve plate in the bin, the valve plate is not in close contact with the felt and the adhesive tape, and the sealing is not tight; meanwhile, the belt pulley can be loosened due to the aging of the belt, and the opening or closing of the valve plate can be affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model further provides a novel electric sealing gate valve. The specific technical scheme of the utility model is as follows:
the utility model provides a novel electric seal push-pull valve, includes valve body, valve plate and hold-down mechanism, its characterized in that:
the valve body comprises a rectangular frame containing a cavity, the rectangular frame comprises a first frame, a second frame, a third frame and a fourth frame, a rectangular top plate is laid on one side, close to the material, of the valve body, and the outer edge of the rectangular top plate is fixedly connected with the rectangular frame; the length of the rectangular top plate corresponds to that of the rectangular frame, the width of the rectangular top plate is smaller than that of the rectangular frame, and a gap between the rectangular top plate and the rectangular frame forms a feed port;
the valve plate is arranged in the containing cavity of the rectangular frame, one surface of the valve plate, which is close to the material, is a front side surface, and the other surface of the valve plate is a rear side surface;
hold-down mechanism locates the trailing flank of valve plate, hold-down mechanism include with the valve plate is parallel and can the pivoted main shaft, wear to be equipped with a plurality of cams on the main shaft, the bellied height of cam equals at least the valve plate with the interval of feed inlet.
As an improvement, the main shaft vertically penetrates through the rectangular frame between the first frame and the third frame through a bearing.
As a further improvement, hold-down mechanism still includes pneumatic means, pneumatic means includes the cylinder, the output of cylinder be equipped with valve plate vertically connecting rod, be equipped with T type structure on the connecting rod, a guide rail, every are respectively seted up at both ends about the crossbeam of T type structure respectively a roller bearing of embedding in the guide rail, be equipped with the recess on the roller bearing and with the interlock of guide rail inward flange, the inner circle of roller bearing and the active end key-type connection of a rocking arm, the driven end of rocking arm with the tip key-type connection of main shaft, the bottom of cylinder through cylinder support with valve body fixed connection.
As a further improvement, the valve plate is connected with a nut pull rod, and the edge of the valve plate is connected with a tail groove pin of the nut pull rod; the front end spiro union of nut pull rod has the lead screw, the front end transmission of lead screw is connected with gear motor, gear motor pass through the motor support with valve body fixed connection.
As a further improvement, a middle stuffing box sealing pair is arranged on the outer wall of the nut pull rod and comprises a stuffing seat and a stuffing cover, stuffing is arranged between the stuffing seat and the stuffing cover, and the stuffing cover is connected with the stuffing seat through a bolt.
As a further improvement, one side of the valve body, which is close to the material, is provided with a rectangular cover plate, and the rectangular cover plate is detachably connected with the valve body.
As a further improvement, an L-shaped scraper is arranged on one surface, close to the valve plate, of the rectangular top plate, the L-shaped scraper is fixedly connected with the top plate through a cutter frame, and a cutting edge of the L-shaped scraper falls on an extension line of an axis of the nut pull rod.
As a further improvement, the edge of the feed port extends to one side close to the valve plate.
As a further improvement, two groups of rollers are arranged along the axis of the nut pull rod, and the shaft of each roller is fixed in the valve body and is vertical to the axis of the nut pull rod; when the novel electric sealing gate valve is closed, the first group of rollers is attached to the outer wall of the nut pull rod, and the second group of rollers is attached to the rear side face of the valve plate.
The utility model has reasonable design and convenient use, and avoids the influence on the ongoing operation caused by the fault of the structure; the friction force is small, energy is saved, consumption is reduced, external leakage is avoided, the service life is long, a pressing mechanism is additionally arranged on the original basis, sealing is realized when the valve is closed, and sealing in the ash bin is guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional view of a novel electric sealing gate valve in example 1;
FIG. 2 is a top view of the novel electrically sealed gate valve of example 1;
FIG. 3 is a schematic view of a pressing mechanism of the novel electric sealing gate valve in embodiment 1;
FIG. 4 is a partial view of a hold-down mechanism of the novel electrically sealed gate valve of example 1;
FIG. 5 is a schematic structural view of the novel electric sealing gate valve of embodiment 2;
FIG. 6 is a schematic structural view of the novel electrically-sealed gate valve of example 3;
FIG. 7 is a schematic structural view of the novel electric sealing gate valve of embodiment 4;
FIG. 8 is a schematic structural view of the novel electrically-sealed gate valve of example 5;
fig. 9 is a schematic structural view of the novel electric sealing gate valve in embodiment 6.
Figure number and name: 1. the valve body, 2, a valve plate, 3, a pressing mechanism, 101, a first frame, 102, a second frame, 103, a third frame, 104, a fourth frame, 105, a rectangular top plate, 106, a feed inlet, 107, a rectangular cover plate, 108, an L-shaped scraper, a feed inlet edge 109, 201, a nut pull rod, 202, a screw rod, 203, a speed reducing motor, 204, a motor support, 205, a packing seat, 206, a packing gland, 207, a first group of rollers, 208, a second group of rollers, 301, a main shaft, 302, a cam, 303, a cylinder, 304, a connecting rod, 305, a T-shaped structure, 306, a roller, 307, a rotating arm, 308 and a cylinder support.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1
The novel electric sealing gate valve shown in fig. 1-2 comprises a valve body 1, a valve plate 2 and a pressing mechanism 3, wherein the outer side of the valve body is of a rectangular frame structure formed by welding channel steel, a space defined by a first frame 101, a second frame 102, a third frame 103 and a fourth frame 104 is a containing cavity (a rectangular frame structure with the containing cavity can also be formed by welding steel plates), a rectangular top plate 105 made of a rectangular steel plate is laid on one side of the valve body 1 close to a material, an open area defined by one side of the top plate and the channel steel is a feed inlet 106, the valve plate 2 is located in an area defined by the channel steel, one side of the valve plate 2 close to the material is a front side, and the other side of the valve plate is a back side; the rear side of the valve plate is provided with a pressing mechanism 3.
As shown in fig. 3-4, the pressing mechanism has two rotatable main shafts 301, each main shaft is sleeved with two cams 302, the positions of the cams correspond to four corners of the valve plate, the height of each cam 302 is at least equal to the distance between the valve plate 2 and the feed port 106, the main shafts 301 rotate to drive the four cams 302 to rotate, and the protruding parts of the four cams 302 can simultaneously contact the rear side surface of the valve plate 2 along with the rotation (the number and the positions of the main shafts and the cams are designed according to actual conditions). Each spindle is vertically inserted between the first rim 101 and the third rim 103 through a bearing.
The pressing mechanism 3 further comprises a pneumatic device, the pneumatic device comprises a cylinder 303, an output end of the cylinder is provided with a connecting rod 304, an axis of the connecting rod 304 is perpendicular to a plane where the valve plate 2 is located, the connecting rod is provided with a T-shaped structure 305, a guide rail is respectively arranged at each of the left end and the right end of a cross beam of the T-shaped structure 305, a roller 306 is embedded into each guide rail, a groove is formed in each roller and is meshed with an inner edge of each guide rail, an inner ring of each roller is connected with a driving end key of a rotating arm 307, a driven end of each rotating arm is connected with an end key of the main shaft 301, the bottom of the cylinder is fixed in a support 308, and the support 308 is fixedly connected with the valve body 1.
The valve plate 2 is connected with a nut pull rod 201, and the edge of the valve plate is connected with a tail groove pin of the nut pull rod; the front end of the nut pull rod is in threaded connection with a screw rod 202, the front end of the screw rod is in transmission connection with a speed reducing motor 203, and the speed reducing motor is fixedly connected with the second frame of the valve body 1 through a motor support 204.
When the valve is opened, the speed reduction motor drives the screw rod to rotate through the coupler, the nut pull rod is driven to ascend through the nut at the top of the nut pull rod by the rotation of the screw rod, the lower end of the screw rod extends into the sleeve in the middle of the nut pull rod, the inserting plate is driven to ascend by the tail of the nut pull rod, the valve feeding hole is opened, the air cylinder of the pressing mechanism retracts, and the normal movement of the valve plate is ensured; when the valve is closed, the speed reduction motor rotates reversely, the screw rod is driven to rotate reversely through the coupler, the nut at the top of the nut pull rod is driven to descend by the rotation of the screw rod, the lower end of the screw rod stretches into the inner part of the sleeve in the middle of the nut pull rod and is remained in the sleeve of the nut pull rod by a small part until the valve is completely closed, the tail part of the nut pull rod pushes the plugboard to descend until the valve feed port is completely closed, then the air cylinder rod of the compression mechanism stretches out, the cam rotates to push the valve plate to move upwards, and the plugboard and the sealing gasket are compressed to realize sealing.
Example 2
As shown in fig. 5, different from embodiment 1, a middle stuffing box sealing pair is provided on an outer wall of the nut pull rod 201, the middle stuffing box sealing pair includes a stuffing seat 205 and a stuffing cover 206, a stuffing is provided between the stuffing seat and the stuffing cover, and the stuffing cover and the stuffing seat are connected by a bolt.
When the speed reducing motor is started, the screw rod rotates to drive the nut pull rod, the middle sleeve part of the nut pull rod penetrates through the middle stuffing box sealing pair, materials in the bin are effectively prevented from being brought out along with the movement of the nut pull rod, and the sealing effect is further enhanced.
Example 3
As shown in fig. 6, unlike embodiment 2, a rectangular cover plate 107 is provided on the side of the valve body near the material, and the rectangular cover plate is detachably connected to the valve body. The cover plate 107 is positioned as a reserved access hole.
Example 4
As shown in fig. 7, unlike embodiment 3, the rectangular top plate 105 is provided with an L-shaped scraper 108 on one side close to the valve plate 2, the L-shaped scraper is fixedly connected with the rectangular top plate 105 through a cutter holder, and the cutting edge of the L-shaped scraper falls on the extension line of the axis of the nut pull rod 201. The scraper should be positioned as close as possible to the edge of the feed gap.
The valve plate moves along the extension line of the axis of the nut pull rod when the speed reducing motor is started, and through the blade part of the L-shaped scraper 108, residual materials on the valve plate are scraped, so that the sealing performance of the valve plate when the valve plate is contacted with the feed inlet is improved.
Example 5
Referring to fig. 8, unlike embodiment 4, a funnel-shaped rim is welded around the original inlet as an inlet rim 109, which extends to a side close to the valve plate. The material in the bin is conveniently conveyed out from the feeding hole during the unloading operation.
Example 6
As shown in fig. 9, unlike the embodiment 5, two sets of rollers 207, 208 are disposed along the axis of the nut pull rod, each set of rollers includes two rollers disposed oppositely, the distance between the two rollers of each set of rollers is adapted to the width of the valve plate, and the shaft of each roller is fixed inside the valve body and perpendicular to the axis of the nut pull rod; when the novel electric sealing gate valve is closed, the first group of rollers 207 is attached to the outer wall of the nut pull rod, and the second group of rollers 208 is attached to the rear side face of the valve plate.
When the valve is opened and closed, the nut pull rod and the valve plate are supported by the rollers, so that the valve plate keeps moving stably.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a novel electric seal push-pull valve, includes valve body (1), valve plate (2) and hold-down mechanism (3), its characterized in that:
the valve body comprises a rectangular frame containing a cavity, the rectangular frame comprises a first frame (101), a second frame (102), a third frame (103) and a fourth frame (104), a rectangular top plate (105) is laid on one side, close to the material, of the valve body, and the outer edge of the rectangular top plate is fixedly connected with the rectangular frame; the length of the rectangular top plate corresponds to that of the rectangular frame, the width of the rectangular top plate is smaller than that of the rectangular frame, and a gap between the rectangular top plate and the rectangular frame forms a feed port (106);
the valve plate (2) is arranged in the containing cavity of the rectangular frame, one surface of the valve plate, which is close to the material, is a front side surface, and the other surface of the valve plate is a rear side surface;
hold-down mechanism (3) are located the trailing flank of valve plate, hold-down mechanism include with the valve plate is parallel and can pivoted main shaft (301), wear to be equipped with a plurality of cams (302) on the main shaft, the bellied height of cam equals at least valve plate (2) with the interval of feed inlet (106).
2. The novel electric sealing gate valve according to claim 1, characterized in that the main shaft is vertically inserted between the first rim (101) and the third rim (103) of the rectangular frame through a bearing.
3. The novel electric sealing gate valve according to claim 2, characterized in that the pressing mechanism (3) further comprises a pneumatic device, the pneumatic device comprises a cylinder (303), a connecting rod (304) perpendicular to the valve plate is arranged at an output end of the cylinder, a T-shaped structure (305) is arranged on the connecting rod, a guide rail is respectively arranged at each of the left end and the right end of a cross beam of the T-shaped structure, a roller (306) is embedded in each guide rail, a groove is formed in each roller and is meshed with an inner edge of each guide rail, an inner ring of each roller is connected with a driving end key of a rotating arm (307), a driven end of each rotating arm is connected with an end key of the main shaft (301), and the bottom of the cylinder (303) is fixedly connected with the valve body (1) through a cylinder support (308).
4. The novel electric sealing gate valve according to claim 1, characterized in that a nut pull rod (201) is connected to the valve plate, and the edge of the valve plate is pin-connected with a tail groove of the nut pull rod; the front end of the nut pull rod is in threaded connection with a screw rod (202), the front end of the screw rod is in transmission connection with a speed reducing motor (203), and the speed reducing motor is fixedly connected with the valve body (1) through a motor support (204).
5. The novel electric sealing gate valve according to claim 4, wherein a middle stuffing box sealing pair is arranged on the outer wall of the nut pull rod, the middle stuffing box sealing pair comprises a stuffing seat (205) and a stuffing cover (206), stuffing is arranged between the stuffing seat and the stuffing cover, and the stuffing cover is connected with the stuffing seat through a bolt.
6. The novel electric sealing gate valve according to claim 5, characterized in that a rectangular cover plate (107) is arranged on one side of the valve body close to the material, and the rectangular cover plate is detachably connected with the valve body.
7. The novel electric sealing gate valve as claimed in claim 6, wherein an L-shaped scraper (108) is arranged on one side of the rectangular top plate close to the valve plate, the L-shaped scraper is fixedly connected with the top plate (105) through a cutter frame, and the cutting edge of the L-shaped scraper falls on the extension line of the axis of the nut pull rod (201).
8. The novel electrically-operated sealing gate valve of claim 7, wherein the edge of said feed port extends to a side adjacent said valve plate.
9. The novel electric sealing gate valve as claimed in claim 4, characterized in that two sets of rollers are arranged along the axis of the nut pull rod (201), and the shaft of each roller is fixed inside the valve body and is perpendicular to the axis of the nut pull rod; when the novel electric sealing gate valve is closed, the first group of rollers (207) is attached to the outer wall of the nut pull rod, and the second group of rollers (208) is attached to the rear side face of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664356.0U CN215861804U (en) | 2021-03-31 | 2021-03-31 | Novel electric sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664356.0U CN215861804U (en) | 2021-03-31 | 2021-03-31 | Novel electric sealing gate valve |
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| Publication Number | Publication Date |
|---|---|
| CN215861804U true CN215861804U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120664356.0U Active CN215861804U (en) | 2021-03-31 | 2021-03-31 | Novel electric sealing gate valve |
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| CN (1) | CN215861804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658872A (en) * | 2022-04-19 | 2022-06-24 | 安徽康迪纳电力科技有限责任公司 | Bidirectional cylinder self-locking pneumatic sealing inserting plate door |
-
2021
- 2021-03-31 CN CN202120664356.0U patent/CN215861804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658872A (en) * | 2022-04-19 | 2022-06-24 | 安徽康迪纳电力科技有限责任公司 | Bidirectional cylinder self-locking pneumatic sealing inserting plate door |
| CN114658872B (en) * | 2022-04-19 | 2023-08-18 | 安徽康迪纳电力科技有限责任公司 | Bidirectional cylinder self-locking pneumatic sealing plugboard door |
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