Guide sealing device for valve plate of electric gate

Abstract

The utility model provides an electric gate valve plate guiding and sealing device, which relates to the technical field of valve plate guiding and sealing devices, and comprises an upper side valve body, a lower side valve body, a discharging window, a valve body upper end sealing and shielding structure, a valve body lower end sealing and wrapping structure and a valve body middle sealing and wrapping structure, when materials for sealing need to be detached and replaced, the upper side valve body and the lower side valve body are detached, the internal structure is exposed, the valve body upper end sealing shielding structure and the valve body lower end sealing wrapping structure are both assembled in a detachable mode, sealing components can be detached and replaced conveniently after the whole valve body is detached, and the sealing effect is good. The sealing part of the sealing and wrapping structure in the middle of the valve body is assembled in a detachable mode and can be directly detached and replaced after being exposed, and operation is more convenient.

Description

Technical Field

[0001] This utility model relates to the technical field of valve plate guide sealing device, and in particular to an electric gate valve plate guide sealing device. Background Technology

[0002] Valve plate gate devices are used in the rice processing industry as gates for grain silos. The valve plate of the electric gate used for rice storage needs to have sufficient guiding and sealing properties to prevent external impurities and dust from entering the grain silo. The seal is usually made of rubber or silicone materials. The sealing effect of these materials will decrease after long-term use and they need to be replaced regularly. However, the sealing material is located inside the valve body and is attached to the valve plate, making disassembly and replacement very inconvenient. Utility Model Content

[0003] The purpose of this utility model is to provide an electric gate valve plate guide sealing device, which has the advantages of exposing the internal structure of the electric valve body and making it more convenient to disassemble and replace the sealing components of different parts of the sealing structure. It solves the technical problem that the sealing material is located inside the valve body and is attached to the valve plate, making disassembly and replacement very inconvenient.

[0004] This utility model provides an electric gate valve plate guide sealing device, comprising:

[0005] The upper valve body has a detachable lower valve body at its lower end;

[0006] The lower valve body has discharge windows on its front and rear side walls;

[0007] The upper valve body has a valve body upper sealing shielding structure that can be detachably assembled on both the front and rear sides of the inner wall of the upper valve body, and the inner end of the valve body upper sealing shielding structure slides and fits against the valve plate of the upper valve body.

[0008] The lower end of the valve body has a sealing and wrapping structure that can be detachably assembled into the lower valve body cavity;

[0009] After the valve plate of the upper valve body descends, it slides and fits against the inner wall of the sealing and wrapping structure at the lower end of the valve body.

[0010] The valve body has a central sealing and wrapping structure, and its sealing components are detachably assembled on the upper end of the lower valve body inner wall. The outer wall of the valve plate on the upper valve body slides and fits against the inner wall of the central sealing and wrapping structure.

[0011] As a further optimization, in order to seal and shield the middle part and the front and rear sides of the upper valve plate of the upper valve body and improve the sealing effect, the upper sealing and shielding structure of the valve body includes:

[0012] The baffle has its left and right ends in contact with the inner wall of the upper valve body, and the baffle covers the middle and lower part of the inner cavity of the upper valve body;

[0013] The baffle and the outer wall of the upper valve body are uniformly fixedly connected by the first fixing bolts on the same side;

[0014] A rubber pad is attached and fixed to the valve plate side of the baffle facing the upper valve body;

[0015] The outer wall of the valve plate of the upper valve body slides and adheres to the rubber pad.

[0016] As a further optimization, in order to seal and wrap the middle part of the valve plate of the upper valve body and improve the sealing effect, the middle sealing and wrapping structure includes:

[0017] A sealing groove is formed on the upper end of the lower valve body inner wall;

[0018] A first sealing layer is adhered and fixed inside the sealing groove, and the outer wall of the valve plate of the upper valve body slides and adheres to the first sealing layer.

[0019] As a further optimization, in order to seal and wrap the lower end of the valve plate of the descending upper valve body and improve the sealing effect, the sealing and wrapping structure at the lower end of the valve body includes:

[0020] There are two parallel side guards, and the lower edge of the outer side of each side guard is integrally formed with a connecting ear plate.

[0021] The inner wall of the discharge window is provided with a connecting groove corresponding to the connecting ear plate, and the connecting ear plate is inserted into the corresponding connecting groove.

[0022] A second fixing bolt is screwed between the connecting ear plate and the bottom surface of the corresponding connecting groove.

[0023] The inner sides of the front and rear flanges are glued and fixed with a second sealing layer. After the valve plate of the upper valve body is lowered, the outer wall slides and fits against the front and rear second sealing layers.

[0024] As a further optimization, in order to guide the lifting and lowering of the valve plate of the upper valve body, a valve plate guide structure is longitudinally assembled on the left and right sides of the inner wall of the upper valve body, which includes:

[0025] The circular roller mounting base is uniformly and longitudinally fixedly assembled on the left and right sides of the upper valve body inner wall;

[0026] A circular roller is rotatably mounted on the inner end of the circular roller mounting base, and the outer wall of the valve plate of the upper valve body rolls and fits against the circular roller.

[0027] As a further optimization, in order to discharge material through the discharge window, the valve plate of the upper valve body can be lowered to block the discharge window, and the lower valve body includes:

[0028] The valve body has a lower cavity housing, and the discharge window is opened on the front and rear side walls of the lower cavity housing.

[0029] The valve plate inlet / outlet window is located in the middle of the top surface of the lower cavity housing of the valve body;

[0030] The upper end of the central sealing and wrapping structure extends to the upper edge of the inner wall of the valve plate inlet / outlet window;

[0031] A lower connecting lug is fixedly mounted on the upper edge of the outer wall of the lower cavity shell of the valve body, and the lower end of the upper valve body is detachably and fixedly connected to the lower connecting lug.

[0032] As a further optimization, in order to facilitate the replacement of the central sealing and wrapping structure, handle grooves are provided on both the left and right sides of the upper edge of the inner wall of the valve plate inlet and outlet window, and the upper end of the central sealing and wrapping structure extends into the handle grooves.

[0033] As a further optimization, in order to drive the valve plate to move up and down within the upper cavity housing of the valve body, the upper valve body includes:

[0034] The valve body has an upper cavity shell, and an upper connecting ear plate is fixedly installed at the lower edge of the outer wall. The upper connecting ear plate and the lower connecting ear plate are evenly fixedly connected with a third fixing bolt.

[0035] A screw-type opening and closing mechanism is fixedly assembled at the upper end of the upper cavity shell of the valve body.

[0036] The upper end of the valve plate of the upper valve body is fitted with a long screw corresponding to the rotation of the screw opening and closing mechanism.

[0037] The upper end of the long screw is screwed into the screw hoist.

[0038] As a further optimization, to facilitate the installation and fixation of the device, a mounting bracket is fixedly installed on the upper end of the outer wall of the upper valve body.

[0039] As a further optimization, to facilitate the installation and disassembly of the device, the mounting bracket includes:

[0040] A connecting plate, which is fixedly assembled to the upper end of the outer wall of the upper valve body;

[0041] A fourth fixing bolt runs through the connecting plate.

[0042] This utility model is provided herein with improvements, and compared with the prior art, it has the following improvements and advantages:

[0043] Firstly, the device divides the valve plate's guiding and sealing structure into three parts: the upper sealing and shielding structure of the valve body, the middle sealing and wrapping structure of the valve body, and the lower sealing and wrapping structure of the valve body. These parts respectively guide and seal the upper, middle, and lower parts of the valve plate. The electric valve body is composed of an upper valve body and a lower valve body that are detachably and fixedly connected. When it is necessary to disassemble or replace the sealing material, the upper and lower valve bodies are separated to expose the internal structure. Both the upper sealing and shielding structure and the lower sealing and wrapping structure of the valve body adopt a detachable assembly method, which facilitates the disassembly and replacement of the sealing components after the whole assembly is disassembled. The sealing components of the middle sealing and wrapping structure of the valve body also adopt a detachable assembly method, which can be directly disassembled and replaced after exposure, making the operation more convenient.

[0044] Secondly, the sealing components in the upper sealing shielding structure, the middle sealing wrapping structure of the valve body, and the lower sealing wrapping structure of the valve body can be replaced at different times. When the wear is not severe, the replacement time can be extended, thus reducing costs. Attached Figure Description

[0045] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0046] Figure 1 This is a schematic diagram of the structure of this utility model;

[0047] Figure 2 This is a schematic diagram of the upper sealing and shielding structure of the valve body and the guiding structure of the valve plate of this utility model.

[0048] Figure 3 This is a schematic diagram of the central sealing and wrapping structure of this utility model;

[0049] Figure 4 This is a schematic diagram of the sealing and wrapping structure at the lower end of the valve body of this utility model;

[0050] Figure 5 This utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0051] Explanation of reference numerals in the attached figures:

[0052] 1-Upper valve body, 11-Upper cavity shell of valve body, 12-Screw hoist, 13-Long screw, 14-Upper connecting ear plate, 15-Third fixing bolt, 2-Lower valve body, 21-Lower cavity shell of valve body, 22-Lower connecting ear plate, 23-Discharge window, 24-Valve plate inlet / outlet window, 3-Valve plate guide structure, 31-Round roller mounting seat, 32-Round roller, 4-Lower end sealing and wrapping structure of valve body, 41-Side flange, 42-Connecting groove, 43-Connecting ear plate, 44-Second fixing bolt, 45-Second sealing layer, 5-Middle sealing and wrapping structure of valve body, 51-Sealing groove, 52-First sealing layer, 6-Upper end sealing and shielding structure of valve body, 61-Baffle, 62-First fixing bolt, 7-Hand groove, 8-Mounting and fixing seat, 81-Connecting plate, 82-Fourth fixing bolt. Detailed Implementation

[0053] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0054] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0055] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0056] Please see Figure 1-5 This utility model provides a technical solution: an electric gate valve plate guide sealing device, comprising:

[0057] The upper valve body 1 has a lower valve body 2 that can be detachably assembled at its lower end. The upper valve body 1 and the lower valve body 2 can be separated, and the inner cavity of the electric gate can be exposed after separation.

[0058] The lower valve body 2 has discharge windows 23 on its front and rear side walls;

[0059] The valve body 1 has a valve body upper sealing and shielding structure 6 that can be detachably installed on both the front and rear sides of the inner wall. The inner end of the valve body upper sealing and shielding structure 6 slides and fits against the valve plate of the upper valve body 1 to guide and seal the upper end of the valve plate of the upper valve body 1.

[0060] The lower end of the valve body has a sealing and wrapping structure 4, which is detachably assembled into the inner cavity of the lower valve body 2;

[0061] After the valve plate of the upper valve body 1 descends, it slides and fits against the inner wall of the sealing and wrapping structure 4 at the lower end of the valve body, thus guiding and sealing the lower end of the valve plate of the upper valve body 1.

[0062] The valve body has a central sealing and wrapping structure 5, whose sealing components are detachably assembled on the upper end of the inner wall of the lower valve body 2, and the outer wall of the valve plate of the upper valve body 1 slides and fits against the inner wall of the central sealing and wrapping structure 5, thus guiding and sealing the middle part of the valve plate of the upper valve body 1.

[0063] Both the upper sealing shielding structure 6 and the lower sealing wrapping structure 4 of the valve body adopt a detachable assembly method, which makes it easy to disassemble and replace the sealing components after the whole is disassembled. The sealing components of the middle sealing wrapping structure 5 of the valve body adopt a detachable assembly method, which can be directly disassembled and replaced after exposure, making the operation more convenient.

[0064] In some embodiments, in order to seal and shield the middle part and the front and rear sides of the upper end of the valve plate of the upper valve body 1 and improve the sealing effect, the upper end sealing and shielding structure 6 of the valve body includes:

[0065] The baffle 61 has its left and right ends in contact with the inner wall of the upper valve body 1, and the baffle 61 covers the middle and lower part of the inner cavity of the upper valve body 1.

[0066] The baffle 61 and the outer wall of the upper valve body 1 are uniformly fixedly connected by the first fixing bolt 62 on the same side;

[0067] A rubber pad is attached and fixed to the valve plate side of the baffle 61 facing the upper valve body 1;

[0068] The outer wall of the valve plate of the upper valve body 1 slides and fits against the rubber pad; when it is necessary to disassemble the upper sealing and shielding structure 6 of the valve body, unscrew all the first fixing bolts 62, and the baffle 61 and the rubber pad attached thereon can be removed. After the baffle 61 is removed, it is easier to replace the rubber pad attached thereon. The rubber pad is the sealing component of the upper sealing and shielding structure 6 of the valve body.

[0069] In some embodiments, in order to seal and wrap the middle part of the valve plate of the upper valve body 1 and improve the sealing effect, the middle sealing and wrapping structure 5 includes:

[0070] A sealing groove 51 is formed on the upper end of the inner wall of the lower valve body 2;

[0071] A first sealing layer 52 is pasted and fixed inside the sealing groove 51, and the outer wall of the valve plate of the upper valve body 1 slides and adheres to the first sealing layer 52. After the upper valve body 1 and the lower valve body 2 are separated, the sealing groove 51 is exposed, and the first sealing layer 52 pasted inside the sealing groove 51 can be directly peeled off and replaced. The first sealing layer 52 is made of elastic rubber and is a sealing component of the central sealing and wrapping structure 5.

[0072] In some embodiments, in order to seal and wrap the lower end of the valve plate of the descending upper valve body 1 and improve the sealing effect, the valve body lower end sealing and wrapping structure 4 includes:

[0073] There are two parallel flanges 41, and the lower edge of the outer side of flange 41 is integrally formed with a connecting ear plate 43.

[0074] The inner wall of the discharge window 23 is provided with a connecting groove 42 corresponding to the connecting ear plate 43, and the connecting ear plate 43 is inserted into the corresponding connecting groove 42.

[0075] A second fixing bolt 44 is screwed between the connecting ear plate 43 and the bottom surface of the corresponding connecting groove 42;

[0076] The inner sides of the front and rear flanges 41 are glued and fixed with the second sealing layer 45. After the valve plate of the upper valve body 1 is lowered, the outer wall slides and fits against the front and rear second sealing layer 45.

[0077] When it is necessary to disassemble the lower sealing and wrapping structure 4 of the valve body, unscrew the second fixing bolt 44 and remove the front and rear flanges 41 and the second sealing layer 45 thereon. After the flanges 41 are removed, it is easier to replace the second sealing layer 45 that is pasted on them. The second sealing layer 45 is the sealing component of the lower sealing and wrapping structure 4 of the valve body. The second sealing layer 45 is made of elastic rubber.

[0078] In some embodiments, in order to guide the lifting and lowering of the valve plate of the upper valve body 1, a valve plate guide structure 3 is longitudinally mounted on the left and right sides of the inner wall of the upper valve body 1, which includes:

[0079] The circular roller mounting base 31 is uniformly and longitudinally fixedly assembled on the left and right sides of the inner wall of the upper valve body 1;

[0080] A circular roller 32 is rotatably mounted on the inner end of the circular roller mounting base 31, and the outer wall of the valve plate of the upper valve body 1 rolls and fits against the circular roller 32.

[0081] In some embodiments, in order to discharge material through the discharge window 23, the valve plate of the upper valve body 1 can be lowered to block the discharge window 23, and the lower valve body 2 includes:

[0082] The valve body has a lower cavity housing 21, and the discharge window 23 is opened on the front and rear side walls of the lower cavity housing 21.

[0083] The valve plate inlet / outlet window 24 is located in the middle of the top surface of the lower cavity housing 21 of the valve body;

[0084] The upper end of the central sealing and wrapping structure 5 extends to the upper edge of the inner wall of the valve plate inlet / outlet window 24;

[0085] A lower connecting lug 22 is fixedly mounted on the upper edge of the outer wall of the lower cavity housing 21 of the valve body, and the lower end of the upper valve body 1 is detachably and fixedly connected to the lower connecting lug 22.

[0086] In some embodiments, in order to facilitate the replacement of the central sealing and wrapping structure, a handle groove 7 is provided on both the left and right sides of the upper edge of the inner wall of the valve plate inlet / outlet window 24. The upper end of the central sealing and wrapping structure 5 extends into the handle groove 7. The first sealing layer 52 pasted in the sealing groove 51 can be more easily peeled off through the handle groove 7.

[0087] In some embodiments, in order to drive the valve plate to move up and down within the upper cavity housing 11 of the valve body, the upper valve body 1 includes:

[0088] The upper cavity housing 11 of the valve body is fixedly assembled with an upper connecting ear plate 14 at the lower edge of the outer wall. The upper connecting ear plate 14 and the lower connecting ear plate 22 are evenly fixedly connected with a third fixing bolt 15.

[0089] A screw hoist 12 is fixedly mounted on the upper end of the upper cavity housing 11 of the valve body. The screw hoist 12 is a direct application of the prior art. The screw hoist 12 is connected to an external power source and drives the long screw 13 to move the valve plate up and down within the upper cavity housing 11 of the valve body.

[0090] The upper end of the valve plate of the upper valve body 1 is fitted with a long screw 13 corresponding to the screw opening and closing mechanism 12;

[0091] The upper end of the long screw 13 is screwed into the screw hoist 12.

[0092] In this embodiment, there are two pairs of screw gate hoists 12 and long screws 13. The two pairs of screw gate hoists 12 and long screws 13 are distributed on the left and right sides and work synchronously to improve the stability of valve plate lifting and lowering.

[0093] In some embodiments, in order to facilitate the installation and fixation of the device, a mounting base 8 is fixedly assembled on the upper end of the outer wall of the upper valve body 1.

[0094] In some embodiments, to facilitate the installation and disassembly of the device, the mounting base 8 includes:

[0095] Connecting plate 81 is fixedly assembled to the upper end of the outer wall of the upper valve body 1;

[0096] In this embodiment, there are two connecting plates 81, which are respectively fixed on both sides of the upper end of the outer wall of the upper valve body 1.

[0097] A fourth fixing bolt 82 passes through the connecting plate 81. The device can be fixed on the installation platform by the fourth fixing bolt 82. When disassembling, simply unscrew the fourth fixing bolt 82.

[0098] Working principle:

[0099] The inner end of the sealing and shielding structure 6 at the upper end of the valve body slides and fits against the valve plate of the upper valve body 1, providing a guiding seal for the upper end of the valve plate of the upper valve body 1; after the valve plate of the upper valve body 1 descends, it slides and fits against the inner wall of the sealing and wrapping structure 4 at the lower end of the valve body, providing a guiding seal for the lower end of the valve plate of the upper valve body 1; the outer wall of the valve plate of the upper valve body 1 slides and fits against the inner wall of the sealing and wrapping structure 5 in the middle of the valve body, providing a guiding seal for the middle part of the valve plate of the upper valve body 1.

[0100] The upper valve body 1 and the lower valve body 2 are detachable, and the inner cavity of the electric gate can be exposed after detachment. The upper sealing shielding structure 6 and the lower sealing wrapping structure 4 of the valve body are both detachable assembly methods. After the whole is disassembled, it is easy to disassemble and replace the sealing components. The sealing components of the middle sealing wrapping structure 5 of the valve body are detachable assembly methods. After exposure, they can be directly disassembled and replaced, making the operation more convenient.

[0101] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A guide sealing device for an electric gate valve plate, characterized in that, include: The upper valve body (1) has a lower valve body (2) that can be detachably assembled at its lower end; The lower valve body (2) has discharge windows (23) on its front and rear side walls; The upper valve body (1) can be detachably assembled with a valve body upper end sealing and shielding structure (6) on both the front and rear sides of the inner wall, and the inner end of the valve body upper end sealing and shielding structure (6) slides and fits against the valve plate of the upper valve body (1). The lower end of the valve body is sealed and wrapped with a structure (4), which is detachably assembled into the inner cavity of the lower valve body (2); After the valve plate of the upper valve body (1) descends, it slides and fits against the inner wall of the sealing and wrapping structure (4) at the lower end of the valve body; The sealing and wrapping structure (5) in the middle of the valve body has a sealing component that is detachably assembled on the upper end of the inner wall of the lower valve body (2), and the outer wall of the valve plate of the upper valve body (1) slides and fits against the inner wall of the sealing and wrapping structure (5) in the middle of the valve body.

2. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The upper sealing and shielding structure (6) of the valve body includes: The baffle (61) is attached to the inner wall of the upper valve body (1) at both its left and right ends. The baffle (61) covers the middle and lower part of the inner cavity of the upper valve body (1). The baffle (61) and the outer wall of the upper valve body (1) are uniformly fixedly connected by the first fixing bolt (62) on the same side; A rubber pad is attached and fixed to the valve plate side of the baffle (61) facing the upper valve body (1); The outer wall of the valve plate of the upper valve body (1) slides against the rubber pad.

3. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The central sealed enclosure structure (5) includes: A sealing groove (51) is formed on the upper end of the inner wall of the lower valve body (2); The first sealing layer (52) is pasted and fixed inside the sealing groove (51), and the outer wall of the valve plate of the upper valve body (1) slides and adheres to the first sealing layer (52).

4. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The lower sealing and wrapping structure (4) of the valve body includes: There are two side guards (41) that are parallel to each other in the front and back. The lower edge of the outer side of the side guard (41) is integrally formed with a connecting ear plate (43). The inner wall of the discharge window (23) is provided with a connecting groove (42) corresponding to the connecting ear plate (43), and the connecting ear plate (43) is inserted into the corresponding connecting groove (42); A second fixing bolt (44) is screwed between the connecting ear plate (43) and the bottom surface of the corresponding connecting groove (42); The inner sides of the front and rear flanges (41) are glued and fixed with a second sealing layer (45). After the valve plate of the upper valve body (1) is lowered, the outer wall slides and fits against the front and rear second sealing layers (45).

5. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The upper valve body (1) has valve plate guide structures (3) longitudinally mounted on the left and right sides of its inner wall, which include: The roller mounting base (31) is uniformly and longitudinally fixedly assembled on the left and right sides of the inner wall of the upper valve body (1); The inner end of the roller mounting base (31) is rotatably fitted with a roller (32), and the outer wall of the valve plate of the upper valve body (1) rolls and fits against the roller (32).

6. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The lower valve body (2) includes: The valve body has a lower cavity housing (21), and the discharge window (23) is opened on the front and rear side walls of the lower cavity housing (21); The valve plate inlet / outlet window (24) is located in the middle of the top surface of the lower cavity housing (21) of the valve body; The upper end of the central sealing and wrapping structure (5) extends to the upper edge of the inner wall of the valve plate inlet / outlet window (24); A lower connecting ear plate (22) is fixedly assembled at the upper edge of the outer wall of the lower cavity housing (21) of the valve body, and the lower end of the upper valve body (1) is detachably and fixedly connected to the lower connecting ear plate (22).

7. The electric gate valve plate guide sealing device according to claim 6, characterized in that, The valve plate inlet / outlet window (24) has handle grooves (7) on both sides of the upper edge of the inner wall, and the upper end of the central sealing and wrapping structure (5) extends into the handle grooves (7).

8. The electric gate valve plate guide sealing device according to claim 6, characterized in that, The upper valve body (1) includes: The upper cavity shell (11) of the valve body is fixedly assembled with an upper connecting ear plate (14) at the lower edge of the outer wall. The upper connecting ear plate (14) and the lower connecting ear plate (22) are evenly fixedly connected with a third fixing bolt (15). A screw-type gate opener (12) is fixedly assembled on the upper end of the upper cavity shell (11) of the valve body; The upper end of the valve plate of the upper valve body (1) is fitted with a long screw (13) corresponding to the screw opening and closing machine (12); The upper end of the long screw (13) is screwed into the screw gate opener (12).

9. The electric gate valve plate guide sealing device according to claim 1, characterized in that, The upper end of the outer wall of the upper valve body (1) is fixedly fitted with a mounting base (8).

10. The electric gate valve plate guide sealing device according to claim 9, characterized in that, The mounting base (8) includes: A connecting plate (81) is fixedly assembled on the upper end of the outer wall of the upper valve body (1); A fourth fixing bolt (82) passes through the connecting plate (81).

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