Sealing structure of copper-inlaid cast iron gate

By combining the lifting and sealing devices, the sealing problem of the cast iron copper-lined square gate during descent was solved, achieving smooth lifting and effective sealing of the gate and improving its sealing effect.

CN223660794UActive Publication Date: 2025-12-12HEBEI DATIAN HYDRAULIC MASCH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422702954.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-12-12
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

The existing cast iron square gate with copper inlay cannot effectively seal when the gate body is lowered to block water, causing water to leak out from the gap between the gate body and the gate frame, resulting in an unsatisfactory sealing effect.

Method used

The design incorporates a combination of lifting and sealing devices, including components such as a motor, shaft, threaded rod, driving bevel gear, driven bevel gear, double-threaded rod, belt, and sealing strip. The motor drives the shaft to rotate the threaded rod and double-threaded rod, thereby achieving the lifting and sealing of the door.

Benefits of technology

It enables smooth lifting and lowering of the gate and effective sealing, preventing water from leaking out from the gap between the gate and the frame, thus improving the gate's sealing performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223660794U_ABST
    Figure CN223660794U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hydraulic engineering, and provides a sealing structure of a copper-inlaid cast iron gate, which comprises a door frame, the inner wall of the door frame is connected with a door body in a sliding manner, and a lifting device is arranged in the door frame; the lifting device comprises a motor, the side face of the motor is fixedly connected to the side face of the door frame, a rotating shaft is fixedly connected to an output shaft of the motor, and a threaded rod is rotationally connected to the interior of the door frame. Through mutual cooperation of the bidirectional threaded rod, the belt, the first threaded sleeve, the first limiting rod, the first collision plate and other components in the sealing device, when the motor is started, the rotating shaft rotates, and through transmission of the belt, the rotating shaft drives the bidirectional threaded rod to rotate when rotating; and when the bidirectional threaded rod rotates, the first threaded sleeve and the second threaded sleeve move left and right, and when the first threaded sleeve and the second threaded sleeve move left and right, the first sealing block and the second sealing block seal the door body, so that the sealing effect is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of water conservancy engineering technology, specifically to a sealing structure for a copper-lined cast iron gate. Background Technology

[0002] Water conservancy and hydropower projects are used to control and regulate surface water and groundwater in nature; cast iron gates are control facilities used to close and open water discharge channels. They are an important part of the structures in water conservancy and hydropower projects and can be used to intercept water flow, control water level, regulate flow, and discharge silt and floating debris.

[0003] According to a public announcement (publication number: CN 210151673 U), a cast iron square gate with copper inlay includes a base. A first embedded steel plate is installed on the inner side of the top of the base, and a manual / electric dual-purpose hoist is connected to the top of the first embedded steel plate. A transmission screw runs through the lower part of the manual / electric hoist, and a shaft guide is provided on the outer side of the middle part of the transmission screw. A second embedded steel plate is connected to the outer wall of the shaft guide, and the second embedded steel plate is cast to the base. A gate body is provided at the bottom of the transmission screw, and the gate body is connected to the transmission screw through a pin.

[0004] In the aforementioned application, the interaction between the transmission screw and the shaft guide assembly makes it impossible to seal the door when it is lowered to block water, which easily causes water to leak out from the gap between the door and the door frame, resulting in an unsatisfactory effect. Utility Model Content

[0005] This utility model proposes a sealing structure for a copper-lined cast iron gate, which solves the problems mentioned in the above documents.

[0006] The technical solution of this utility model is as follows:

[0007] This utility model is a sealing structure for a copper-lined cast iron gate, including a gate frame, a gate body slidably connected to the inner wall of the gate frame, and a lifting device provided inside the gate frame;

[0008] The lifting device includes a motor, the side of which is fixedly connected to the side of the door frame. A rotating shaft is fixedly connected to the output shaft of the motor. A threaded rod is rotatably connected inside the door frame. The bottom of the threaded rod is fixedly connected to the bottom of the door body. A driving bevel gear is fixedly passed through the circumferential surface of the rotating shaft. A driven bevel gear is fixedly passed through the circumferential surface of the threaded rod. The circumferential surface of the driving bevel gear meshes with the circumferential surface of the driven bevel gear.

[0009] Furthermore, the inner wall of the door frame is provided with a protective groove, and protective cotton is fixedly connected inside the protective groove. This design helps to prevent damage to the door frame when the door is raised too high.

[0010] Furthermore, a dust guide frame is fixedly connected to the top of the door frame, a dust guide strip is fixedly connected to the side of the door frame, a sliding groove is provided on the side of the door frame, a slider is slidably connected inside the sliding groove, and a collection box is fixedly connected to the side of the slider. This design facilitates the collection of dust through the collection box.

[0011] Furthermore, a support plate is fixedly connected to the side of the door frame, and a spring hole is provided at the top of the support plate. A spring is fixedly connected to the inner wall of the spring hole, and the end of the spring away from the spring hole is fixedly connected to the bottom of the collection box. A speaker is fixedly connected to the side of the door frame, and a trigger button is provided on the side of the speaker. This design facilitates the sounding of an alarm by triggering the speaker through the trigger button.

[0012] Furthermore, the bottom of the collection box is elastically connected to the inner wall of the spring hole by a spring, the trigger button is located on the displacement trajectory of the collection box, and the number of the slider, collection box, support plate, speaker and trigger button is set to two sets, which are symmetrical to each other along the vertical central axis of the door frame. The shape of the dust guide frame is set to triangle. This design is conducive to making the collection box touch the trigger button according to the amount of dust inside the collection box, so that the speaker will sound an alarm.

[0013] Furthermore, a sealing device is provided inside the door frame. The sealing device includes a bidirectional threaded rod, the circumferential surface of which is rotatably connected to the inside of the door frame. A first belt groove is formed on the circumferential surface of the rotating shaft, and a second belt groove is formed on the circumferential surface of the bidirectional threaded rod. A belt is drivenly connected to the circumferential surface of the first belt groove. The inner side of the belt is on the circumferential surface of the second belt groove. A first threaded sleeve is threadedly connected to the circumferential surface of the bidirectional threaded rod. A first limiting rod is rotatably connected inside the door frame. A first collision plate is fixedly connected to the circumferential surface of the first threaded sleeve. A first sealing block is fixedly connected to the side of the first collision plate. A second threaded sleeve is threadedly connected to the circumferential surface of the bidirectional threaded rod. A second limiting rod is rotatably connected inside the door frame. A second collision plate is fixedly connected to the circumferential surface of the second threaded sleeve. A second sealing block is fixedly connected to the side of the second collision plate. This design facilitates the rotation of the bidirectional threaded rod by the rotating shaft through the belt drive.

[0014] Furthermore, a sealing groove is provided on the inner wall of the door frame, and a sealing strip is fixedly connected inside the sealing groove. This design helps to prevent leakage at the bottom of the door frame through the sealing strip at the bottom.

[0015] Furthermore, the door body is rotatably connected to a rotating shaft, and a push rod is fixedly connected to the circumferential surface of the rotating shaft. The door body has a first rack groove, and a gear is fixedly passed through the circumferential surface of the rotating shaft. A first rack is slidably connected to the inner wall of the first rack groove, and the circumferential surface of the gear meshes with the side surface of the first rack. The side of the door frame has a first groove. This design facilitates the sliding of the first rack by the rotation of the rotating shaft.

[0016] Furthermore, a second rack groove is provided inside the door body, and a second rack is slidably connected to the inner wall of the second rack groove. The circumferential surface of the gear meshes with the side surface of the second rack. A second groove is provided on the side of the door frame. This design facilitates the sliding of the second rack by the rotation of the rotating shaft.

[0017] Furthermore, the first groove is located on the displacement trajectory of the first rack, and the second groove is located on the displacement trajectory of the second rack. This design facilitates the sliding of the first and second racks, allowing the rack to enter the groove. Under the action of the inclined structure, the rack moves downward, thereby further driving the door body to move downward and providing an overall seal.

[0018] The working principle and beneficial effects of this utility model are as follows:

[0019] 1. In this utility model, through the mutual cooperation between components such as the motor, rotating shaft, threaded rod, driving bevel gear and driven bevel gear inside the lifting device, when the motor starts, the rotating shaft rotates. Through the meshing of the driving bevel gear and the driven bevel gear, the rotating shaft drives the threaded rod to rotate. When the threaded rod rotates, the door moves up and down. Protective cotton is used to prevent the door from colliding with the door frame and causing damage to the door frame when it moves, thus achieving the effect of controlling the lifting of the door.

[0020] 2. In this utility model, through the mutual cooperation between the components such as the bidirectional threaded rod, belt, first threaded sleeve, first limiting rod and first collision plate inside the sealing device, when the motor starts, the rotating shaft rotates, and through the transmission of the belt, the rotating shaft drives the bidirectional threaded rod to rotate. When the bidirectional threaded rod rotates, the first threaded sleeve and the second threaded sleeve move left and right. When the first threaded sleeve and the second threaded sleeve move left and right, the first sealing block and the second sealing block seal the door body, thus achieving the sealing effect. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2This is a three-dimensional cross-sectional structural schematic diagram of the present invention;

[0024] Figure 3 This utility model Figure 2 A three-dimensional magnified structural diagram of A in the middle;

[0025] Figure 4 This utility model Figure 2 A three-dimensional magnified structural diagram of B in the diagram;

[0026] Figure 5 This utility model Figure 2 A three-dimensional magnified structural diagram of C;

[0027] Figure 6 This utility model Figure 2 A three-dimensional magnified structural diagram of D;

[0028] Figure 7 This utility model Figure 2 A three-dimensional magnified structural diagram of E in the middle.

[0029] In the diagram: 1. Door frame; 2. Door body; 3. Lifting device; 31. Motor; 32. Shaft; 33. Threaded rod; 34. Driving bevel gear; 35. Driven bevel gear; 36. Protective groove; 37. Protective cotton; 38. Ash guide frame; 39. Ash guide strip; 310. Slide groove; 311. Sliding block; 312. Collection box; 313. Support plate; 314. Spring hole; 315. Spring; 316. Sound device; 317. Trigger button; 4. Sealing device; 41. Double-sided threaded rod; 42. First belt groove; 43. Second belt groove. 44. Groove; 45. Belt; 46. First threaded sleeve; 47. First limiting rod; 48. First collision plate; 49. First sealing block; 40. Second threaded sleeve; 410. Second limiting rod; 411. Second collision plate; 412. Second sealing block; 413. Sealing groove; 414. Sealing strip; 415. Rotating shaft; 416. Push rod; 417. First rack groove; 418. Gear; 419. First rack; 420. First groove; 421. Second rack groove; 422. Second rack; 423. Second groove. Detailed Implementation

[0030] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0031] Example 1

[0032] like Figures 1 to 7 As shown, this embodiment proposes a sealing structure for a copper-lined cast iron gate, including a gate frame 1, a gate body 2 slidably connected to the inner wall of the gate frame 1, and a lifting device 3 installed inside the gate frame 1.

[0033] The lifting device 3 includes a motor 31, the side of which is fixedly connected to the side of the door frame 1. A rotating shaft 32 is fixedly connected to the output shaft of the motor 31. A threaded rod 33 is rotatably connected inside the door frame 1. The bottom of the threaded rod 33 is fixedly connected to the bottom of the door body 2. A driving bevel gear 34 is fixedly passed through the circumferential surface of the rotating shaft 32. A driven bevel gear 35 is fixedly passed through the circumferential surface of the threaded rod 33. The circumferential surface of the driving bevel gear 34 meshes with the circumferential surface of the driven bevel gear 35.

[0034] The inner wall of the door frame 1 is provided with a protective groove 36, and a protective cotton 37 is fixedly connected inside the protective groove 36. This design is beneficial to prevent damage to the door frame 1 by the protective cotton 37 when the door body 2 is raised too much.

[0035] A dust guide frame 38 is fixedly connected to the top of the door frame 1, a dust guide strip 39 is fixedly connected to the side of the door frame 1, a sliding groove 310 is opened on the side of the door frame 1, a slider 311 is slidably connected inside the sliding groove 310, and a collection box 312 is fixedly connected to the side of the slider 311. This design is conducive to collecting dust through the collection box 312.

[0036] A support plate 313 is fixedly connected to the side of the door frame 1. A spring hole 314 is provided on the top of the support plate 313. A spring 315 is fixedly connected to the inner wall of the spring hole 314. The end of the spring 315 away from the spring hole 314 is fixedly connected to the bottom of the collection box 312. A speaker 316 is fixedly connected to the side of the door frame 1. A trigger button 317 is provided on the side of the speaker 316. This design is conducive to triggering the speaker 316 to sound an alarm by triggering the trigger button 317.

[0037] The bottom of the collection box 312 is elastically connected to the inner wall of the spring hole 314 by the spring 315. The trigger button 317 is located on the displacement trajectory of the collection box 312. The number of slider 311, collection box 312, support plate 313, speaker 316 and trigger button 317 are set to two sets and are symmetrical to each other along the vertical central axis of the door frame 1. The shape of the dust guide frame 38 is set to a triangle. This design is conducive to making the collection box 312 touch the trigger button 317 and make the speaker 316 sound an alarm according to the amount of dust inside the collection box 312.

[0038] In this embodiment, when lifting is required, the motor 31 is started first. When the motor 31 starts, the rotating shaft 32 on the output shaft of the motor 31 rotates clockwise. When the rotating shaft 32 rotates clockwise, the meshing between the driving bevel gear 34 and the driven bevel gear 35 causes the rotating shaft 32 to rotate clockwise, driving the threaded rod 33 to rotate clockwise. When the threaded rod 33 rotates clockwise, the door 2 descends. When the rotating shaft 32 rotates counterclockwise, the meshing between the driving bevel gear 34 and the driven bevel gear 35 causes the rotating shaft 32 to rotate counterclockwise, driving the threaded rod 33 to rotate counterclockwise. When the threaded rod 33 rotates counterclockwise, the door 2 rises.

[0039] Example 2

[0040] like Figures 1 to 7 As shown, based on the same concept as Embodiment 1 above, a second embodiment is also proposed. A sealing device 4 is provided inside the door frame 1. The sealing device 4 includes a bidirectional threaded rod 41. The circumferential surface of the bidirectional threaded rod 41 is rotatably connected to the inside of the door frame 1. A first belt groove 42 is formed on the circumferential surface of the rotating shaft 32, and a second belt groove 43 is formed on the circumferential surface of the bidirectional threaded rod 41. A belt 44 is drivenly connected to the circumferential surface of the first belt groove 42. The inner side of the belt 44 is on the circumferential surface of the second belt groove 43. A first threaded sleeve 45 is threadedly connected to the circumferential surface of the bidirectional threaded rod 41. The frame 1 is rotatably connected to a first limiting rod 46. A first collision plate 47 is fixedly connected to the circumferential surface of the first threaded sleeve 45. A first sealing block 48 is fixedly connected to the side of the first collision plate 47. A second threaded sleeve 49 is threadedly connected to the circumferential surface of the bidirectional threaded rod 41. The door frame 1 is rotatably connected to a second limiting rod 410. A second collision plate 411 is fixedly connected to the circumferential surface of the second threaded sleeve 49. A second sealing block 412 is fixedly connected to the side of the second collision plate 411. This design is conducive to the rotation of the bidirectional threaded rod 41 when the rotating shaft 32 rotates through the transmission of the belt 44.

[0041] A sealing groove 413 is provided on the inner wall of the door frame 1, and a sealing strip 414 is fixedly connected inside the sealing groove 413. This design helps to prevent leakage at the bottom of the door frame 1 through the sealing strip 414 at the bottom.

[0042] The door body 2 is rotatably connected to a rotating shaft 415. A push rod 416 is fixedly connected to the circumferential surface of the rotating shaft 415. The door body 2 has a first rack groove 417. A gear 418 is fixedly passed through the circumferential surface of the rotating shaft 415. A first rack 419 is slidably connected to the inner wall of the first rack groove 417. The circumferential surface of the gear 418 meshes with the side surface of the first rack 419. The side of the door frame 1 has a first groove 420. This design facilitates the sliding of the first rack 419 by the rotation of the rotating shaft 415.

[0043] The door body 2 has a second rack groove 421 inside, and a second rack 422 is slidably connected to the inner wall of the second rack groove 421. The circumferential surface of the gear 418 meshes with the side surface of the second rack 422. The side of the door frame 1 has a second groove 423. This design is conducive to the sliding of the second rack 422 by rotating the shaft 415.

[0044] The first groove 420 is located on the displacement trajectory of the first rack 419, and the second groove 423 is located on the displacement trajectory of the second rack 422. This design facilitates the sliding of the first rack 419 and the second rack 422, allowing the rack to enter the groove. Under the action of the inclined structure, the rack moves downward, thereby further driving the door body 2 to move downward, providing an overall seal.

[0045] In this embodiment, after the door 2 is lowered, it is necessary to seal the door to prevent leakage. First, the motor 31 is started. When the motor 31 starts, the shaft 32 on the output shaft of the motor 31 rotates clockwise. When the shaft 32 rotates clockwise, it drives the bidirectional threaded rod 41 to rotate clockwise through the transmission of the belt 44. When the bidirectional threaded rod 41 rotates clockwise, the first threaded sleeve 45 on the bidirectional threaded rod 41 moves horizontally to the right. When the first threaded sleeve 45 moves horizontally to the right, the first threaded sleeve 45... The first collision plate 47 moves horizontally to the right. When the first collision plate 47 moves horizontally to the right, the first sealing block 48 on the first collision plate 47 seals the door body 2. When the bidirectional threaded rod 41 rotates clockwise, the second threaded sleeve 49 on the bidirectional threaded rod 41 moves horizontally to the left. When the second threaded sleeve 49 moves horizontally to the left, the second collision plate 411 on the second threaded sleeve 49 moves horizontally to the left. When the second collision plate 411 moves horizontally to the left, the second sealing block 412 on the second collision plate 411 seals the door body 2.

[0046] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sealing structure for a copper-lined cast iron gate, characterized in that, Includes a door frame (1), the inner wall of which is slidably connected to a door body (2), and a lifting device (3) is provided inside the door frame (1). The lifting device (3) includes a motor (31), the side of which is fixedly connected to the side of the door frame (1). A rotating shaft (32) is fixedly connected to the output shaft of the motor (31). A threaded rod (33) is rotatably connected inside the door frame (1). The bottom of the threaded rod (33) is fixedly connected to the bottom of the door body (2). A driving bevel gear (34) is fixedly passed through the circumferential surface of the rotating shaft (32). A driven bevel gear (35) is fixedly passed through the circumferential surface of the threaded rod (33). The circumferential surface of the driving bevel gear (34) meshes with the circumferential surface of the driven bevel gear (35).

2. The sealing structure of a copper-lined cast iron gate according to claim 1, characterized in that, The inner wall of the door frame (1) is provided with a protective groove (36), and a protective cotton (37) is fixedly connected inside the protective groove (36).

3. The sealing structure of a copper-lined cast iron gate according to claim 2, characterized in that, A dust guide frame (38) is fixedly connected to the top of the door frame (1), a dust guide strip (39) is fixedly connected to the side of the door frame (1), a sliding groove (310) is provided on the side of the door frame (1), a slider (311) is slidably connected inside the sliding groove (310), and a collection box (312) is fixedly connected to the side of the slider (311).

4. The sealing structure of a copper-lined cast iron gate according to claim 3, characterized in that, A support plate (313) is fixedly connected to the side of the door frame (1). A spring hole (314) is provided on the top of the support plate (313). A spring (315) is fixedly connected to the inner wall of the spring hole (314). The end of the spring (315) away from the spring hole (314) is fixedly connected to the bottom of the collection box (312). A speaker (316) is fixedly connected to the side of the door frame (1). A trigger button (317) is provided on the side of the speaker (316).

5. The sealing structure of a copper-lined cast iron gate according to claim 4, characterized in that, The bottom of the collection box (312) is elastically connected to the inner wall of the spring hole (314) by a spring (315). The trigger button (317) is located on the displacement trajectory of the collection box (312). The number of the slider (311), collection box (312), support plate (313), speaker (316) and trigger button (317) is set to two sets, and they are symmetrical to each other along the vertical central axis of the door frame (1). The shape of the ash guide frame (38) is set to triangle.

6. The sealing structure of a copper-lined cast iron gate according to claim 5, characterized in that, The door frame (1) is provided with a sealing device (4), which includes a bidirectional threaded rod (41). The circumferential surface of the bidirectional threaded rod (41) is rotatably connected to the inside of the door frame (1). A first belt groove (42) is provided on the circumferential surface of the rotating shaft (32), and a second belt groove (43) is provided on the circumferential surface of the bidirectional threaded rod (41). A belt (44) is connected to the circumferential surface of the first belt groove (42). The inner side of the belt (44) is on the circumferential surface of the second belt groove (43). A first threaded sleeve is threadedly connected to the circumferential surface of the bidirectional threaded rod (41). 45), the door frame (1) is rotatably connected to a first limiting rod (46), the first threaded sleeve (45) is fixedly connected to a first collision plate (47) on its circumferential surface, the first collision plate (47) is fixedly connected to a first sealing block (48) on its side, the bidirectional threaded rod (41) is threadedly connected to a second threaded sleeve (49) on its circumferential surface, the door frame (1) is rotatably connected to a second limiting rod (410), the second threaded sleeve (49) is fixedly connected to a second collision plate (411) on its circumferential surface, and the second collision plate (411) is fixedly connected to a second sealing block (412) on its side.

7. The sealing structure of a copper-lined cast iron gate according to claim 6, characterized in that, A sealing groove (413) is provided on the inner wall of the door frame (1), and a sealing strip (414) is fixedly connected inside the sealing groove (413).

8. The sealing structure of a copper-lined cast iron gate according to claim 7, characterized in that, The door body (2) is rotatably connected to a rotating shaft (415), and a push rod (416) is fixedly connected to the circumferential surface of the rotating shaft (415). The door body (2) has a first rack groove (417) inside, and a gear (418) is fixedly passed through the circumferential surface of the rotating shaft (415). A first rack (419) is slidably connected to the inner wall of the first rack groove (417). The circumferential surface of the gear (418) meshes with the side surface of the first rack (419). The door frame (1) has a first groove (420) on its side.

9. The sealing structure of a copper-lined cast iron gate according to claim 8, characterized in that, The door body (2) has a second rack groove (421) inside, and a second rack (422) is slidably connected to the inner wall of the second rack groove (421). The circumferential surface of the gear (418) meshes with the side surface of the second rack (422). The side surface of the door frame (1) has a second groove (423).

10. The sealing structure of a copper-lined cast iron gate according to claim 9, characterized in that, The first groove (420) is located on the displacement trajectory of the first rack (419), and the second groove (423) is located on the displacement trajectory of the second rack (422).

Citation Information

Patent Citations

  • Cast iron copper-inlaid square gate

    CN210151673U