Sealing device of slide plate gate

Abstract

The utility model relates to the technical field of flashboard doors, and discloses a sealing device of a flashboard door, the flashboard door comprises a frame and a flashboard, a first mounting beam and a second mounting beam are respectively and fixedly mounted in the frame, an inserting cavity is arranged between the first mounting beam and the second mounting beam, the flashboard is inserted in the inserting cavity in a sliding manner, and the flashboard is arranged in the inserting cavity. A transmission lead screw is rotationally installed in the frame, the surface of the transmission lead screw is sleeved with a transmission nut in a threaded mode, and the transmission nut is fixedly connected with the flashboard. By arranging the first sealing strip and the second sealing strip, when the flashboard is opened in a sliding mode, materials on the surface of the flashboard can be scraped off through the first sealing strip, the first pressing bolt and the second pressing bolt abut against the first sealing strip and the second sealing strip, and when the first sealing strip and the second sealing strip are abraded and gaps are enlarged, the materials on the surface of the flashboard can be scraped off. And a sealing gap can be reduced by rotating the first compression bolt and the second compression bolt, so that the sealing performance is improved, and the effect of facilitating later maintenance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plug-in doors, in particular to a sealing device for plug-in doors. Background Art

[0002] The purpose of the gate opening and closing of the gate is to control the flow and delivery volume of powder, granular material, granular material and small pieces of material. The gate is widely used in the top, bottom and feeding port of the warehouse in metallurgy, mining, building materials, food, chemical industry and other industries. It is an ideal equipment for controlling large flow changes, frequent opening and closing, and fast cutting. For example, the patent document with announcement number CN217581835U in the prior art discloses a manual gate door with a cleaning function, including a manual gate door and a leakage hole A. The manual gate door includes a door panel and a limit frame. The top of one side of the inner wall of the limit frame is provided with a positioning frame through screws, and a bracket is provided on one side of the positioning frame. A cleaning brush is glued to the corresponding door panel position on one side of the bracket. The mechanism has the effect of automatically cleaning the door panel, thereby greatly saving manpower.

[0003] The gate door proposed in the above scheme, due to the frequent opening and closing of the gate, the gate and its cleaning brush, cleaning roller friction for a long time, the increased wear will lead to the increase of the gap around the gate, and fail to achieve a good sealing effect, increasing the maintenance burden. Based on this, the existing plug-in door has the problem of inconvenient sealing maintenance, which needs further improvement. Utility Model Content

[0004] The utility model aims to provide a sealing device for a plug-in door to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing device for a plug-in door, the plug-in door comprises a frame and a gate, a first mounting beam and a second mounting beam are fixedly mounted inside the frame, an insertion cavity is arranged between the first mounting beam and the second mounting beam, the gate is slidably inserted in the insertion cavity, a transmission screw is rotatably installed in the frame, a transmission nut is threadedly sleeved on the surface of the transmission screw, and the transmission nut is fixedly connected to the gate;

[0006] A first sealing strip is embedded in the interior of the first mounting beam, and a first clamping bolt is threadedly installed on the surface of the first mounting beam, and the first clamping bolt presses against the first sealing strip so that the first sealing strip is in sliding contact with the surface of the gate plate, and a first limiting strip is fixedly installed on the inner side of the frame, and an installation cavity is reserved between the first limiting strip and the inner side wall of the frame, and a second sealing strip is arranged in the installation cavity, and a second clamping bolt is threadedly installed on the outer side of the frame, and the second clamping bolt presses against the second sealing strip so that the second sealing strip is in sliding contact with the surface of the gate plate, and the sealing gap can be narrowed by rotating the first clamping bolt and the second clamping bolt, thereby facilitating later maintenance.

[0007] In some embodiments, there are two first limiting strips, which are symmetrically arranged on both sides of the inner cavity of the frame. The first limiting strip is arranged at an angle of 45° with the inner side wall of the frame, so that the installation cavity for installing the second sealing strip has a triangular structure.

[0008] In some embodiments, the cross-section of the second sealing strip is in the shape of a right triangle. A metal plate is embedded in one right-angled side of the second sealing strip. The end of the second pressing bolt abuts against the metal plate, so that the inclined side of the second sealing strip is in sliding contact with the first limiting strip. At the same time, the other right-angled side of the second sealing strip is in contact with the surface of the gate plate. A T-shaped sliding groove is formed on the outer side of the metal plate, and the end of the second pressing bolt is slidably connected to the T-shaped sliding groove. A locking nut is threadedly installed on the surface of the second pressing bolt.

[0009] In some embodiments, two second limiting strips are fixedly installed on the inner side of the frame. The second limiting strips are arranged perpendicular to the surface of the gate plate. The first limiting strip and the second limiting strip are respectively arranged on the front and back sides of the gate plate. By rotating the second pressing bolt, the gap between the second sealing strip and the gate plate can be reduced.

[0010] In some embodiments, a mounting seat is fixedly installed at the top end of the frame. The top end of the transmission lead screw is rotatably connected to the mounting seat, and the bottom end of the transmission lead screw is rotatably connected to the second installation beam. An actuating motor is fixedly installed on the surface of the mounting seat. Gears are fixedly installed at the ends of the rotating shaft of the actuating motor and the end of the transmission lead screw respectively. The two gears are driven by a chain. The end of the rotating shaft of the actuating motor away from the gear faces downward and is fixedly installed with a rotating handwheel, which can realize the opening and closing of the gate plate by electric drive or manual drive.

[0011] Beneficial effects

[0012] The utility model provides a sealing device for a flap gate, which has the following beneficial effects:

[0013] 1. For the sealing device of the flap gate, by arranging the first sealing strip and the second sealing strip, when the gate plate slides open, the first sealing strip can be used to scrape the materials on the surface of the gate plate. Moreover, the first pressing bolt and the second pressing bolt are respectively used to abut against the first sealing strip and the second sealing strip. When the first sealing strip and the second sealing strip are worn and the gap between them increases, the sealing gap can be reduced by rotating the first pressing bolt and the second pressing bolt, thereby improving its sealing performance, achieving the effect of facilitating later maintenance, and being more convenient to use.

[0014] 2. For the sealing device of the flap gate, by arranging the first limiting strip and the second limiting strip, the first limiting strip and the second limiting strip are respectively arranged on the front and back sides of the gate plate, which has good support and increases the stability of the gate plate. The inclined first limiting strip has a good guiding effect, and the vertically arranged second limiting strip has a small flow resistance coefficient, ensuring smooth material flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. 1 is a schematic three-dimensional structure diagram (I) of the present utility model;

[0016] Figure 2 FIG. 2 is a schematic three-dimensional structure diagram (II) of the present utility model;

[0017] Figure 3 FIG. 3 is a schematic bottom sectional structure diagram of the present utility model;

[0018] Figure 4 FIG. 4 is Figure 3 an enlarged structure diagram of part A in FIG. 1;

[0019] Figure 5 FIG. 5 is a schematic partial side sectional structure diagram of the present utility model.

[0020] In the figures: 1 is a frame, 2 is a gate plate, 3 is a first mounting beam, 4 is a second mounting beam, 5 is a transmission lead screw, 6 is a transmission nut, 7 is a first sealing strip, 8 is a first compression bolt, 9 is a first limiting strip, 10 is a second sealing strip, 11 is a second compression bolt, 12 is a metal plate, 13 is a T-shaped sliding groove, 14 is a locking nut, 15 is a second limiting strip, 16 is a mounting seat, 17 is an actuating motor, 18 is a gear, 19 is a chain, 20 is a rotating handwheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-5 , the present utility model provides a technical solution: a sealing device for a plug door, the plug door includes a frame 1 and a gate plate 2. A first mounting beam 3 and a second mounting beam 4 are respectively fixedly installed inside the frame 1. An insertion cavity is provided between the first mounting beam 3 and the second mounting beam 4. The gate plate 2 is slidably inserted into the insertion cavity. A transmission lead screw 5 is rotatably installed inside the frame 1. A transmission nut 6 is sleeved on the surface of the transmission lead screw 5 in a threaded manner. The transmission nut 6 is fixedly connected to the gate plate 2.

[0023] At the top of the frame 1, a mounting seat 16 is fixedly installed. The top end of the transmission lead screw 5 is rotatably connected to the mounting seat 16, and the bottom end of the transmission lead screw 5 is rotatably connected to the second mounting beam 4. On the surface of the mounting seat 16, an actuating motor 17 is fixedly installed. At the end of the rotating shaft of the actuating motor 17 and at the end of the transmission lead screw 5, gears 18 are fixedly installed. The two gears 18 are driven by a chain 19. The end of the rotating shaft of the actuating motor 17 away from the gear 18 faces downward and is fixedly installed with a rotating handwheel 20. By the actuating motor 17 or the rotating handwheel 20, the transmission lead screw 5 is driven to rotate, which can drive the gate plate 2 to slide upward or downward to realize the opening and closing of the sluice gate.

[0024] Inside the first mounting beam 3, a first sealing strip 7 is embedded. On the surface of the first mounting beam 3, a first pressing bolt 8 is threadedly installed. The first pressing bolt 8 presses against the first sealing strip 7, so that the first sealing strip 7 is in sliding contact with the surface of the gate plate 2, as Figure 5 shown.

[0025] On the inner side of the frame 1, two first limiting strips 9 are fixedly installed. There are two first limiting strips 9, and the two first limiting strips 9 are symmetrically arranged on both sides of the inner cavity of the frame 1. The first limiting strip 9 is arranged at an angle of 45° with the inner side wall of the frame 1. An installation cavity is reserved between the first limiting strip 9 and the inner side wall of the frame 1, and a second sealing strip 10 is arranged in the installation cavity. On the outer side of the frame 1, a second pressing bolt 11 is threadedly installed. The second pressing bolt 11 presses against the second sealing strip 10, so that the second sealing strip 10 is in sliding contact with the surface of the gate plate 2.

[0026] Specifically, as Figure 4 shown, the cross section of the second sealing strip 10 is in the shape of a right triangle. A metal plate 12 is embedded in one right side of the second sealing strip 10. A T-shaped sliding groove 13 is opened on the outer side of the metal plate 12. The end of the second pressing bolt 11 is slidably connected to the T-shaped sliding groove 13, and the end of the second pressing bolt 11 can rotate in the T-shaped sliding groove 13. A locking nut 14 is threadedly installed on the surface of the second pressing bolt 11. The end of the second pressing bolt 11 presses against the metal plate 12, so that the inclined side of the second sealing strip 10 is in sliding contact with the first limiting strip 9. At the same time, the other right side of the second sealing strip 10 is in contact with the surface of the gate plate 2.

[0027] On the inner side of the frame 1, two second limiting strips 15 are fixedly installed. The second limiting strips 15 are arranged perpendicular to the surface of the gate plate 2. The first limiting strip 9 and the second limiting strips 15 are respectively arranged on the front and back sides of the gate plate 2.

[0028] By setting the first limiting strip 9 and the second limiting strip 15, the first limiting strip 9 and the second limiting strip 15 are made of stainless steel or hard alloy, which are wear-resistant and have a long service life. The first limiting strip 9 and the second limiting strip 15 are respectively arranged on the front and rear sides of the gate plate 2, having good support and increasing the stability of the gate plate 2. The inclined first limiting strip 9 has a good guiding effect, and the vertically arranged second limiting strip 15 is flat with a small flow resistance coefficient, ensuring smooth material flow.

[0029] For the sealing device of this plug valve, by setting the first sealing strip 7 and the second sealing strip 10, when the gate plate 2 slides open, the first sealing strip 7 can be used to scrape the materials on the surface of the gate plate 2. Moreover, the first pressing bolt 8 and the second pressing bolt 11 are respectively used to press against the first sealing strip 7 and the second sealing strip 10. When the first sealing strip 7 and the second sealing strip 10 are worn and the gap between them and the gate plate 2 increases, the sealing gap can be reduced by rotating the first pressing bolt 8 and the second pressing bolt 11, thereby improving its sealing performance. There is no need to frequently replace the sealing strips, achieving the effect of convenient later maintenance and more convenient use.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing device for a sliding door, the sliding door comprising a frame (1) and a gate (2), characterized in that: A first mounting beam (3) and a second mounting beam (4) are fixedly mounted inside the frame (1), an insertion cavity is provided between the first mounting beam (3) and the second mounting beam (4), the gate plate (2) is slidably inserted in the insertion cavity, a transmission screw (5) is rotatably mounted inside the frame (1), a transmission nut (6) is threadedly sleeved on the surface of the transmission screw (5), and the transmission nut (6) is fixedly connected to the gate plate (2); A first sealing strip (7) is embedded inside the first mounting beam (3), a first clamping bolt (8) is threadedly installed on the surface of the first mounting beam (3), the first clamping bolt (8) presses against the first sealing strip (7), so that the first sealing strip (7) is in sliding contact with the surface of the gate plate (2), a first limiting strip (9) is fixedly installed on the inner side of the frame (1), an installation cavity is reserved between the first limiting strip (9) and the inner side wall of the frame (1), and a second sealing strip (10) is arranged in the installation cavity, a second clamping bolt (11) is threadedly installed on the outer side of the frame (1), the second clamping bolt (11) presses against the second sealing strip (10), so that the second sealing strip (10) is in sliding contact with the surface of the gate plate (2).

2. A sealing device for a sliding door according to claim 1, characterized in that: There are two first limiting strips (9), which are symmetrically arranged on both sides of the inner cavity of the frame (1), and the first limiting strips (9) are arranged at an angle of 45° with the inner side wall of the frame (1).

3. A sealing device for a sliding door according to claim 2, characterized in that: The cross-section of the second sealing strip (10) is in the shape of a right-angled triangle, a metal plate (12) is embedded in one right-angled side of the second sealing strip (10), and the end of the second clamping bolt (11) is pressed against the metal plate (12), so that the inclined side of the second sealing strip (10) is in sliding contact with the first limit strip (9), and at the same time, the other right-angled side of the second sealing strip (10) is in contact with the surface of the gate plate (2).

4. A sealing device for a sliding door according to claim 3, characterized in that: A T-shaped slide groove (13) is provided on the outer side of the metal plate (12), the end of the second clamping bolt (11) is slidably connected to the T-shaped slide groove (13), and a locking nut (14) is threadedly mounted on the surface of the second clamping bolt (11).

5. A sealing device for a sliding door according to claim 4, characterized in that: Two second limit strips (15) are fixedly mounted on the inner side of the frame (1), the second limit strips (15) are arranged perpendicular to the surface of the gate plate (2), and the first limit strip (9) and the second limit strip (15) are respectively arranged on the front and rear sides of the gate plate (2).

6. A sealing device for a sliding door according to any one of claims 1 to 5, characterized in that: A mounting seat (16) is fixedly mounted on the top of the frame (1), the top of the transmission screw (5) is rotatably connected to the mounting seat (16), and the bottom of the transmission screw (5) is rotatably connected to the second mounting beam (4).

7. The sealing device for a sliding door according to claim 6, characterized in that: An actuator motor (17) is fixedly mounted on the surface of the mounting seat (16), and gears (18) are fixedly mounted on the end of the rotating shaft of the actuator motor (17) and the end of the transmission screw rod (5), and the two gears (18) are driven by a chain (19).

8. The sealing device for a sliding door according to claim 7, characterized in that: The end of the rotating shaft of the actuator motor (17) that is away from the gear (18) faces downward and is fixedly mounted with a rotating hand wheel (20).

Images