Sealing mechanism and reaction kettle cover

Abstract

The utility model relates to the technical field of reaction kettles, in particular to a sealing mechanism and a reaction kettle cover, which comprise a kettle cover and a shell, the bottom surface of the kettle cover is fixedly connected with a clamping block and a fixing rod, the side surface of the fixing rod is provided with a cavity, one side of the inner wall of the cavity is fixedly connected with a motor, the power transmission end of the motor is fixedly connected with a gear, and the gear is meshed with a rack. A sliding groove is formed in the other side of the inner wall of the cavity, a sliding block is fixedly connected to the bottom face of the rack, the sliding block is slidably connected in the sliding groove, a first rotating strip is hinged to the top face of the rack, a second rotating strip is hinged to the other end of the first rotating strip, a second fixing plate is hinged to the other end of the second rotating strip, and a rotating rod is fixedly connected to the bottom face of the second fixing plate. The device has the beneficial effects that the rotating plate is driven by the motor to be fixed in the plate groove, the kettle cover of the reaction kettle can be automatically fixed to achieve a good sealing effect, and the working efficiency is improved while manpower resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a sealing mechanism and a reaction kettle cover. Background Art

[0002] A reactor is a container used to realize physical or chemical reactions. It is a pressure vessel that can complete process such as sulfidation, nitration, hydrogenation, verticalization, polymerization, condensation, etc.

[0003] In the prior art, there are two methods for fixing the reactor cover. One is to fix the reactor cover by gravity without a fixing device, and the other is to fix the reactor cover manually using tools such as wrenches.

[0004] However, when the reactor is reacting, the reactor cover fixed by gravity alone will have gaps because the reactor cover is not firmly fixed, which may easily cause the reactants to overflow, wasting resources and posing a risk of harming the workers. The reactor cover fixed by manpower wastes human resources and reduces work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing mechanism and a reactor cover to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing mechanism, including a kettle cover and an outer shell, the bottom surface of the kettle cover is fixedly connected with a block and a fixing rod, a cavity is opened on the side of the fixing rod, a motor is fixedly connected to one side of the inner wall of the cavity, a gear is fixedly connected to the power transmission end of the motor, a rack is meshed with the gear, a sliding groove is opened on the other side of the inner wall of the cavity, a slider is fixedly connected to the bottom surface of the rack, the slider is slidably connected in the sliding groove, a rotating bar 1 is hinged on the top surface of the rack, a rotating bar 1 is hinged on the other end of the rotating bar 1 is hinged on the second rotating bar, the other end of the rotating bar 2 is hinged on the second fixing plate, and a rotating rod is fixedly connected to the bottom surface of the second fixing plate.

[0007] Preferably, the outer shell is a cylindrical hollow shell structure with a through hole on the top surface, the kettle cover is a cylindrical round plate structure, the top surface of the outer shell is provided with four fixing grooves, the side of the kettle cover is fixedly connected with three fixing blocks 1, the bottom of the fixing block 1 is clamped in the inside of the fixing groove, the fixing block 1 and the fixing groove are rectangular structures, and the fixing block 1 and the fixing groove match each other.

[0008] Preferably, the bottom surface of the fixed plate 2 is fixedly connected with a rotating rod, the rotating rod is a rectangular plate-shaped structure, the inner side of the rotating rod is fixedly connected with a rotating piece, the inner end of the rotating piece is rotatably connected with a fixed column, the fixed column is fixedly connected to a groove opened at the bottom end of the fixed rod, and the outer side of the rotating rod is fixedly connected with a rotating block, the rotating block is a rectangular plate-shaped structure.

[0009] Preferably, inside the clamping block, there are four rotating rods arranged on the side of the fixing rod, and there are four cavities opened on the side of the fixing rod. The four cavities are symmetric about the center of the cross-section of the fixing rod. On the top surface of the inner wall of the outer shell, there are four clamping grooves. The clamping grooves are grooves with a "丄"-shaped cross-section. The rotating rod and the rotating block form a plate-like structure with a "丄"-shaped cross-section, and the plate-like structure formed by the rotating rod and the rotating block matches the clamping groove.

[0010] Preferably, the sliding groove is a long groove with a "丄"-shaped cross-section, and the sliding block is a structure with a "丄"-shaped cross-section. The sliding groove and the sliding block match each other.

[0011] Preferably, on the inner side beside the hinge joint of the first rotating bar and the second rotating bar, there is a second fixing block fixedly connected. On the top surface of the second fixing block, there is a first fixing plate fixedly connected. On the bottom surface of the first fixing plate, there is a spring fixedly connected, and the bottom surface of the spring is fixedly connected to the inner side beside the other side of the hinge joint of the first rotating bar and the second rotating bar.

[0012] A reactor kettle cover includes the sealing mechanism described above.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: A sealing mechanism proposed by the present utility model. This device uses a motor to drive the rotating plate to be fixed in the plate groove, and can automatically fix the reactor kettle cover to achieve a good sealing effect, saving human resources and improving work efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic side sectional structural diagram of the present utility model;

[0016] Figure 3 is a schematic horizontal sectional structural diagram of the present utility model;

[0017] Figure 4 is a schematic top cover structural diagram of the present utility model;

[0018] Figure 5 is a schematic hinge relationship structural diagram of the present utility model.

[0019] In the figure: 1. Outer shell; 2. Kettle cover; 3. First fixing block; 4. Fixing groove; 6. Clamping groove; 7. Clamping block; 8. Fixing rod; 9. Rotating rod; 10. Rotating block; 11. Cavity; 12. Motor; 13. Gear; 14. Rack; 15. First rotating bar; 16. Second rotating bar; 17. Fixing column; 18. Rotating piece; 19. Second fixing block; 20. First fixing plate; 21. Spring; 22. Second fixing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figures 1 to 5 The utility model provides a technical solution: a sealing mechanism, including a kettle cover 2 and a shell 1, the bottom surface of the kettle cover 2 is fixedly connected with a card block 7 and a fixing rod 8, a cavity 11 is opened on the side of the fixing rod 8, a motor 12 is fixedly connected to one side of the inner wall of the cavity 11, a gear 13 is fixedly connected to the power transmission end of the motor 12, a rack 14 is meshed with the gear 13, a slide groove is opened on the other side of the inner wall of the cavity 11, a slider is fixedly connected to the bottom surface of the rack 14, the slider is slidably connected in the slide groove, a rotating bar 15 is hinged on the top surface of the rack 14, a rotating bar 16 is hinged on the other end of the rotating bar 15, a fixing plate 22 is hinged on the other end of the rotating bar 16, and a fixing plate 22 is fixedly connected to the bottom surface of the fixing plate 22. The rotating rod 9 is used to drive the rotating plate to be fixed in the plate groove by a motor, so as to automatically fix the reactor cover to achieve a good sealing effect, save human resources and improve work efficiency.

[0023] Embodiment 2

[0024] See also Figure 1 to Figure 2 On the basis of the first embodiment, in order to realize the fixing angle of the reactor cover, the shell 1 is a cylindrical hollow shell structure with a through hole on the top surface, the reactor cover 2 is a cylindrical round plate structure, and four fixing grooves 4 are opened on the top surface of the shell 1. Three fixing blocks 3 are fixedly connected to the side of the reactor cover 2, and the bottom of the fixing block 3 is clamped in the inside of the fixing groove 4. The fixing block 3 and the fixing groove 4 are rectangular structures, and the fixing block 3 and the fixing groove 4 match each other.

[0025] When the reactor cover 2 is placed on the shell 1, four fixing blocks 3 are placed in four fixing grooves 4 to fix the angle of the reactor cover.

[0026] Embodiment 3

[0027] See also Figures 2 to 5, on the basis of Embodiment 2, in order to achieve the sealing between the reactor lid and the reactor, a rotating rod 9 is fixedly connected to the bottom surface of the second fixing plate 22. The rotating rod 9 is in the shape of a rectangular plate. A rotating piece 18 is fixedly connected to the inner side of the rotating rod 9. The inner end of the rotating piece 18 is rotatably connected to a fixing column 17. The fixing column 17 is fixedly connected to a groove formed at the bottom end of the fixing rod 8. A rotating block 10 is fixedly connected to the outer side of the rotating rod 9. The rotating block 10 is in the shape of a rectangular plate. The clamping block 7 is in the shape of a ring and is sleeved inside the fixing rod 8. There are four rotating rods 9 arranged on the side surface of the fixing rod 8, and there are four cavities 11 formed on the side surface of the fixing rod 8. The four cavities 11 are symmetric about the center of the cross-section of the fixing rod 8. Four clamping grooves 6 are formed on the top surface of the inner wall of the outer shell 1. The clamping grooves 6 are grooves with a cross-section in the shape of "丄". The rotating rod 9 and the rotating block 10 form a plate-like structure with a cross-section in the shape of "丄", and the plate-like structure formed by the rotating rod 9 and the rotating block 10 matches the clamping grooves 6. The sliding groove is a long groove with a cross-section in the shape of "丄", and the sliding block is a structure with a cross-section in the shape of "丄". The sliding groove and the sliding block match each other.

[0028] The motor 12 rotates to drive the gear 13 to rotate, and the gear 13 drives the rack 14 to move along the direction of the sliding groove. When installing the reactor lid, the rotating rod 9 is placed vertically downward. The rotating rod 9 is passed through the hole on the top surface of the outer shell 1. After fixing the angle, the gear 13 drives the rack 14 to move upward along the direction of the sliding groove, and the first rotating bar 15 and the second rotating bar 16 are straightened. The rotating rod 9 and the rotating block 10 rotate upward and are fixed in the clamping grooves 6. When disassembling the reactor lid, the gear 13 drives the rack 14 to move downward along the direction of the sliding groove, the first rotating bar 15 and the second rotating bar 16 are bent outward, and the rotating rod 9 and the rotating block 10 rotate downward and are placed vertically downward.

[0029] Embodiment 4

[0030] Please refer to Figure 5 , on the basis of Embodiment 3, in order to achieve the outward bending of the hinge joint, a second fixing block 19 is fixedly connected to the inner side beside the hinge joint of the first rotating bar 15 and the second rotating bar 16. A first fixing plate 20 is fixedly connected to the top surface of the second fixing block 19. A spring 21 is fixedly connected to the bottom surface of the first fixing plate 20. The bottom surface of the spring 21 is fixedly connected to the inner side beside the other side of the hinge joint of the first rotating bar 15 and the second rotating bar 16.

[0031] In order to bend the first rotating bar 15 and the second rotating bar 16 outward, when the rack 14 moves downward along the direction of the sliding groove, the first rotating bar 15 and the second rotating bar 16 will be bent. The spring 21 squeezes the second rotating bar 16 to rotate outward, ensuring the outward bending of the hinge joint.

[0032] Embodiment 5

[0033] A reactor lid includes the sealing mechanism described above.

[0034] The working principle and use process of the utility model are as follows: in actual use, first, when the kettle cover 2 is placed on the shell 1, the four fixing blocks 3 are placed in the four fixing grooves 4 to fix the angle of the reactor cover. After the angle is fixed, the motor 12 rotates to drive the gear 13 to rotate, and the gear 13 drives the rack 14 to move in the direction of the slide groove. When installing the reactor cover, the rotating rod 9 is placed vertically downward, and the rotating rod 9 is passed through the hole on the top surface of the shell 1. After the angle is fixed, the gear 13 drives the rack 14 to move upward in the direction of the slide groove, and the rotating bar 15 and the rotating bar 2 16 are straightened, and the rotating rod 9 and the rotating block 10 are rotated upward and fixed in the slot 6. When disassembling the reactor cover, the gear 13 drives the rack 14 to move downward in the direction of the slide groove, and the rotating bar 15 and the rotating bar 2 16 are bent outward, and the rotating rod 9 and the rotating block 10 are rotated downward and placed vertically downward.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing mechanism, comprising a kettle cover (2) and a shell (1), characterized in that: The bottom surface of the kettle lid (2) is fixedly connected with a clamping block (7) and a fixing rod (8). A cavity (11) is formed on the side surface of the fixing rod (8). One side of the inner wall of the cavity (11) is fixedly connected with a motor (12). The power transmission end of the motor (12) is fixedly connected with a gear (13). The gear (13) meshes with a rack (14). A chute is formed on the other side of the inner wall of the cavity (11). The bottom surface of the rack (14) is fixedly connected with a slider which is slidably connected in the chute. The top surface of the rack (14) is hinged with a first rotating bar (15). The other end of the first rotating bar (15) is hinged with a second rotating bar (16). The other end of the second rotating bar (16) is hinged with a second fixing plate (22). The bottom surface of the second fixing plate (22) is fixedly connected with a rotating rod (9).

2. A sealing mechanism according to claim 1, characterized in that: The outer shell (1) is a cylindrical hollow shell structure with a through hole formed on its top surface. The kettle lid (2) is a cylindrical circular plate structure. Four fixing grooves (4) are formed on the top surface of the outer shell (1). Three first fixing blocks (3) are fixedly connected to the side surface of the kettle lid (2). The bottom of the first fixing block (3) is clamped inside the fixing groove (4). The first fixing block (3) and the fixing groove (4) are both rectangular parallelepiped structures and are matched with each other.

3. A sealing mechanism according to claim 1, characterized in that: The rotating rod (9) is a rectangular parallelepiped plate-like structure. A rotating piece (18) is fixedly connected to the inner side of the rotating rod (9). The inner end of the rotating piece (18) is rotatably connected to a fixing column (17). The fixing column (17) is fixedly connected in a groove formed at the bottom end of the fixing rod (8). A rotating block (10) is fixedly connected to the outer side of the rotating rod (9). The rotating block (10) is a rectangular parallelepiped plate-like structure.

4. A sealing mechanism according to claim 1, characterized in that: The clamping block (7) is an annular structure. The clamping block (7) is sleeved inside the fixing rod (8). Four rotating rods (9) are arranged on the side surface of the fixing rod (8). Four cavities (11) are formed on the side surface of the fixing rod (8). The four cavities (11) are symmetric about the center of the cross-section of the fixing rod (8). Four clamping grooves (6) are formed on the top inner wall of the outer shell (1). The clamping groove (6) is a groove with a "丄”-shaped cross-section. The rotating rod (9) and the rotating block (10) form a plate-like structure with a "丄”-shaped cross-section. The plate-like structure formed by the rotating rod (9) and the rotating block (10) is matched with the clamping groove (6).

5. A sealing mechanism according to claim 1, characterized in that: The chute is a long groove with a "丄”-shaped cross-section. The slider is a structure with a "丄”-shaped cross-section. The chute and the slider are matched with each other.

6. A sealing mechanism according to claim 1, characterized in that: A second fixing block (19) is fixedly connected to the inner side beside the hinge joint of the first rotating bar (15) and the second rotating bar (16). A first fixing plate (20) is fixedly connected to the top surface of the second fixing block (19). A spring (21) is fixedly connected to the bottom surface of the first fixing plate (20). The bottom surface of the spring (21) is fixedly connected to the inner side beside the other side of the hinge joint of the first rotating bar (15) and the second rotating bar (16).

7. A reactor cover, characterized in that: The sealing mechanism according to any one of the above claims 1-6 is applied.

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