Two-way water-stopping assembly of flexible fit cast iron gate

By using a flexible, two-way water-stopping component for the cast iron gate with a secondary sealing design, the rotation of the second P-type seal with the first P-type seal is used to achieve a secondary seal, which solves the problem of weakened sealing effect caused by friction and wear of the P-type rubber waterstop, and ensures the long-term sealing performance of the gate.

CN224495046UActive Publication Date: 2026-07-14YANTAI XINHAI ENG MASCH ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANTAI XINHAI ENG MASCH ENG CO LTD
Filing Date
2025-07-21
Publication Date
2026-07-14

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  • Figure CN224495046U_ABST
    Figure CN224495046U_ABST
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Abstract

The utility model discloses a flexible adhesion cast iron gate two -way water stop subassembly relates to gate seal technical field, including by the gate frame, lift rail groove, screw type hoist, gate board, first P type seal strip constitutes the gate assembly, secondary seal subassembly, the secondary seal subassembly includes flexible adhesion sealing unit, linkage unit, the flexible adhesion sealing unit realizes the adhesion or separation with first P type seal strip through rotation, the linkage unit is used for the lift power transmission of gate board to flexible adhesion sealing unit, the utility model discloses a secondary seal subassembly is set up, in the process of the gate board under the removal and close, through the second P type seal strip rotation and closely adhere to the "o" type department of first P type seal strip and lift rail groove contact position, realizes secondary seal operation, effectively improved the sealing effect between gate board and gate frame, and when first P type seal cover is damaged by friction, still can guarantee the good sealing effect of gate board through the second P type seal strip.
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Description

Technical Field

[0001] This utility model relates to the field of gate sealing technology, specifically a flexible, two-way water-stopping component for cast iron gates. Background Technology

[0002] A sluice gate is a movable water-blocking structure installed on the water passage opening of a water conservancy project (such as a dam, sluice gate, canal, ship lock, spillway structure, or hydropower station intake) to control water level, regulate flow, intercept water flow, or discharge silt, floating objects, etc.

[0003] P-type rubber waterstop (commonly known as "P-type seal") is one of the most commonly used and critical sealing elements of gates in water conservancy projects. Its unique P-shaped cross-section design can effectively adapt to gate deformation and achieve reliable water stop. However, in actual use, friction occurs between the P-type rubber waterstop and the gate frame during the opening and closing of the lifting gate. After a period of use, the P-type rubber waterstop is prone to wear, which weakens the sealing effect and affects the sealing effect of the gate. Based on this, a flexible, two-way waterstop component for cast iron gates is provided. Utility Model Content

[0004] The purpose of this utility model is to provide a flexible, two-way water-stopping component for cast iron gates in order to solve the problems mentioned above.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flexible, fitted cast iron gate bidirectional water-stopping assembly, comprising a gate assembly consisting of a gate frame, a lifting rail groove, a screw-type hoist, and a gate plate. The lifting rail groove is located at the top of the gate frame and extends to both sides inside the gate frame. The gate plate is vertically slidably installed inside the lifting rail groove. The screw-type hoist is installed at the top of the gate frame, and the bottom end of the lifting screw of the screw-type hoist is connected to the gate plate via a pin. A first P-type seal is installed on both sides of the outer wall of the gate plate via bolts and pressure plates. The "O"-shaped part of the first P-type seal is tightly fitted to the inner wall end face of the lifting rail groove to achieve a seal between the gate plate and the gate frame.

[0006] The inner side of the gate frame is provided with a secondary sealing assembly at the front and rear ends of the gate plate. The secondary sealing assembly is used to perform a secondary tight sealing operation at the contact position between the first P-type seal and the lifting rail groove.

[0007] The secondary sealing assembly includes a flexible bonding sealing unit and a linkage unit;

[0008] The flexible bonding and sealing unit achieves bonding or separation with the first P-type seal by rotation;

[0009] The linkage unit is used to transmit the lifting power of the gate to the flexible sealing unit, providing power for the rotation of the flexible sealing unit.

[0010] As a further improvement of this utility model: the flexible bonding sealing unit includes a linkage shaft, a flipping shaft, and a second P-type seal;

[0011] The linkage shaft and the flip shaft are vertically connected and fixed, and the linkage shaft and the flip shaft are rotatably connected to the top and bottom of the inner side of the gate frame, respectively.

[0012] The second P-type seal is fixed to the outside of the flipping shaft by bolts and a pressure plate structure;

[0013] When the gate is in the closed state, the second P-type seal is horizontally aligned with the first P-type seal, and the "O"-shaped part of the second P-type seal is tightly fitted with the "O"-shaped part of the first P-type seal and the contact position of the lifting rail groove, which is used to perform secondary sealing at the contact position of the "O"-shaped part of the first P-type seal and the lifting rail groove.

[0014] When the gate is opened by moving upward, the second P-type seal is moved away from the first P-type seal by rotating the linkage shaft and the flip shaft, so as to avoid relative friction between the second P-type seal and the first P-type seal.

[0015] As a further embodiment of this utility model: the linkage unit includes a guide groove, an L-shaped connecting seat, a linkage seat, balls, and a sealing threaded component;

[0016] The guide groove is formed on the outer side of the linkage shaft, the linkage seat is fixed to the top of the L-shaped connecting seat, the linkage seat is installed on the top of the gate plate through the L-shaped connecting seat, and the linkage seat is slidably sleeved on the outside of the linkage shaft.

[0017] The ball is rolled and installed inside the linkage seat and is slidably connected to the guide groove. The linkage seat has a hole groove for the ball to be installed inside, and the sealing threaded part is threaded inside the hole groove and fits against the ball. The sealing threaded part is used to realize the installation limit of the ball.

[0018] When the gate moves up and down, the ball bearings move along the track to provide deflection force for the rotation of the linkage shaft.

[0019] As a further improvement of this utility model: the guide groove is composed of a spiral groove and a vertical straight groove, wherein the vertical straight groove is connected to the top of the spiral groove and is interconnected with it.

[0020] As a further improvement of this utility model: a rubber sealing sheet is installed at the bottom of the gate, and when the gate is moved down to the lowest position, the horizontal position of the ball is higher than the horizontal height of the lowest position of the spiral groove.

[0021] As a further embodiment of this utility model: transverse rollers and longitudinal rollers are also installed on both sides of the gate plate. The transverse rollers and longitudinal rollers are distributed and fixed in sequence along the vertical direction. The rollers of the transverse rollers are in contact with the inner wall side of the lifting rail groove, and the rollers of the longitudinal rollers are in contact with the front and rear end faces of the inner wall of the lifting rail groove.

[0022] As a further improvement of this utility model: four sets of the linkage shaft, the flip shaft, and the second P-type seal are provided, and the four sets of the linkage shaft, the flip shaft, and the second P-type seal are respectively located on both sides of the front and rear ends of the gate.

[0023] The L-shaped connecting seat and the linkage seat are symmetrically arranged in two sets with the center line of the gate as the center. Each linkage seat is simultaneously sleeved with two linkage shafts distributed on the same side. The spiral grooves on the two linkage shafts distributed on the same side have opposite spiral directions.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] By setting up a secondary sealing component, during the process of the gate moving down and closing, the second P-type sealing strip rotates and closely fits the "o"-shaped part of the first P-type sealing strip and the contact position of the lifting rail groove, thereby achieving a secondary sealing operation. This effectively improves the sealing effect between the gate and the gate frame. Furthermore, even if the first P-type sealing sleeve is damaged due to friction, the second P-type sealing strip can still ensure a good sealing effect of the gate. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of this utility model;

[0027] Figure 2 This is a cross-sectional view of the front end structure of the gate frame of this utility model;

[0028] Figure 3 This is a cross-sectional view of the top structure of the gate frame of this utility model;

[0029] Figure 4 This is a cross-sectional view of the linkage seat of this utility model.

[0030] In the diagram: 1. Gate assembly; 101. Gate frame; 102. Lifting rail groove; 103. Screw-type hoist; 104. Gate plate; 105. Horizontal roller; 106. Longitudinal roller; 107. First P-type seal; 2. Secondary sealing assembly; 201. Linkage shaft; 202. Tilting shaft; 203. Second P-type seal; 204. Guide groove; 2041. Spiral groove; 2042. Vertical straight groove; 205. L-shaped connecting seat; 206. Linkage seat; 207. Ball bearing; 208. Sealing threaded component. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figures 1-4 In this embodiment of the utility model, the flexible fitting cast iron gate bidirectional water-stopping component includes a gate assembly 1 composed of a gate frame 101, a lifting rail groove 102, a screw-type hoist 103, and a gate plate 104. The lifting rail groove 102 is opened at the top of the gate frame 101 and extends to both sides inside the gate frame 101. The gate plate 104 is vertically slidably installed inside the lifting rail groove 102. The screw-type hoist 103 is installed at the top of the gate frame 101, and the bottom end of the lifting screw of the screw-type hoist 103 is connected to the gate plate 104 through a pin. The outer walls of the gate plate 104 are fitted with first P-type seals 107 by bolts and pressure plates. The "O"-shaped part of the first P-type seal 107 is tightly fitted with the inner wall end face of the lifting rail groove 102 to achieve the sealing between the gate plate 104 and the gate frame 101.

[0033] A secondary sealing assembly 2 is provided on the inner side of the gate frame 101 at the front and rear ends of the gate plate 104. The secondary sealing assembly 2 is used to perform a secondary tight sealing operation on the contact position between the first P-type seal 107 and the lifting rail groove 102.

[0034] The secondary sealing assembly 2 includes a flexible bonding sealing unit and a linkage unit. The flexible bonding sealing unit achieves bonding or separation with the first P-type seal 107 by rotation. The linkage unit is used to transmit the lifting power of the gate 104 to the flexible bonding sealing unit, providing power for the rotation of the flexible bonding sealing unit.

[0035] The flexible sealing unit includes a linkage shaft 201, a flipping shaft 202, and a second P-type seal 203;

[0036] The linkage shaft 201 and the tilting shaft 202 are vertically connected and fixed, and the linkage shaft 201 and the tilting shaft 202 are rotatably connected to the top and bottom of the inner side of the gate frame 101, respectively.

[0037] The second P-type seal 203 is fixed to the outside of the flip shaft 202 by bolts and pressure plate structure;

[0038] When the gate 104 is in the closed state, the second P-type seal 203 is horizontally aligned with the first P-type seal 107, and the "O"-shaped part of the second P-type seal 203 is tightly fitted with the "O"-shaped part of the first P-type seal 107 and the contact position of the lifting rail groove 102, which is used to perform secondary sealing at the contact position of the "O"-shaped part of the first P-type seal 107 and the lifting rail groove 102;

[0039] When the gate 104 moves upward and opens, the second P-type seal 203 moves away from the first P-type seal 107 by rotating the linkage shaft 201 and the flip shaft 202, so as to avoid relative friction between the second P-type seal 203 and the first P-type seal 107.

[0040] The linkage unit includes a guide groove 204, an L-shaped connecting seat 205, a linkage seat 206, a ball bearing 207, and a sealing threaded component 208;

[0041] The guide groove 204 is opened on the outer side of the linkage shaft 201. The linkage seat 206 is fixed to the top of the L-shaped connecting seat 205. The linkage seat 206 is installed on the top of the gate plate 104 through the L-shaped connecting seat 205, and the linkage seat 206 is slidably sleeved on the outside of the linkage shaft 201.

[0042] The ball 207 is rolled and installed inside the linkage seat 206 and is limited and slidably connected to the guide groove 204. The linkage seat 206 has a hole and groove for the ball 207 to be installed, and the sealing thread 208 is threaded inside the hole and groove and fits against the ball 207. The sealing thread 208 is used to realize the installation limit of the ball 207.

[0043] When the gate 104 moves up and down, it moves along the trajectory 304 via the ball bearing 207 to provide deflection force for the rotation of the linkage shaft 201;

[0044] The guide groove 204 is composed of a spiral groove 2041 and a vertical straight groove 2042. The vertical straight groove 2042 is connected to the top of the spiral groove 2041 and is interconnected with it.

[0045] There are four sets of linkage shaft 201, flip shaft 202, and second P-type seal 203. The four sets of linkage shaft 201, flip shaft 202, and second P-type seal 203 are located on both sides of the front and rear ends of the gate 104, respectively.

[0046] Two sets of L-shaped connecting seats 205 and linkage seats 206 are symmetrically arranged with the center line of the gate 104 as the center. Each linkage seat 206 is simultaneously connected to two linkage shafts 201 distributed on the same side. The spiral grooves 2041 on the two linkage shafts 201 distributed on the same side have opposite spiral directions.

[0047] In this embodiment: During use, when the gate assembly 104 is in the closed state, the "O"-shaped portion of the second P-type seal 203 is tightly fitted with the "O"-shaped portion of the first P-type seal 107 and the contact position of the lifting rail groove 102. Both the "O"-shaped portions of the second P-type seal 203 and the first P-type seal 107 are compressed and deformed into an elliptical shape (e.g., Figure 3 The first P-type seal 107 achieves a primary seal between the gate 104 and the gate frame 101 by fitting the "o"-shaped part of the first P-type seal 107 with the end face of the lifting rail groove 102, while the second P-type seal 203 provides a secondary seal at the contact position between the first P-type seal 107 and the lifting rail groove 102, effectively ensuring the sealing effect of the gate 104.

[0048] When the gate 104 moves upward to open, the gate 104 and the first P-type seal 107 move upward as a whole, and the gate 104 is adjusted to the L-shaped connecting seat 205 and the linkage seat 206 move upward as a whole. The linkage seat 206 drives the ball 207 to move upward along the trajectory of the spiral groove 2041. Since the ball 207 can only move vertically, the ball 207 provides a deflection force to the linkage shaft 201 by squeezing the spiral groove 2041. This deflection force causes the linkage shaft 201, the flipping shaft 202, and the second P-type seal 203 to rotate as a whole. The second P-type seal 203 moves away from the first P-type seal 107 to avoid friction between the first P-type seal 107 and the second P-type seal 203 during the upward movement.

[0049] When the ball bearing 207 moves into the vertical groove 2042, the linkage shaft 201, the flip shaft 202, and the second P-type seal 203 remain stationary.

[0050] When the gate 104 moves down to close, the same principle as above can be used to achieve a tight fit between the second P-type seal 203 and the first P-type seal 107;

[0051] With the cooperation of the above-mentioned components, when the first P-type sealing sleeve 107 is damaged by friction with the lifting rail groove 102, the second P-type seal 203 can still ensure the good sealing effect of the gate 104.

[0052] Please refer to this carefully. Figures 1-4 A rubber sealing sheet is installed at the bottom of the gate 104. When the gate 104 moves down to the lowest position, the horizontal position of the ball 207 is higher than the horizontal height of the lowest position of the spiral groove 2041.

[0053] In this embodiment: the rubber sealing sheet at the bottom of the gate 104 is used to achieve a seal between the bottom of the gate 104 and the bottom of the inner wall of the gate frame 101;

[0054] When the gate 104 moves down to the lowest position, the structure in which the horizontal position of the ball 207 is higher than the horizontal height of the lowest position of the spiral groove 2041 provides space and tendency for the second P-type seal 203 to rotate further, thus enabling the second P-type seal 203 to maintain a good compression fit with the first P-type sealing sleeve 107.

[0055] Please refer to this carefully. Figures 2-3 The gate 104 is also equipped with a transverse roller 105 and a longitudinal roller 106 on both sides. The transverse roller 105 and the longitudinal roller 106 are distributed and fixed in sequence along the vertical direction. The roller of the transverse roller 105 is in contact with the inner wall side of the lifting rail groove 102, and the roller of the longitudinal roller 106 is in contact with the front and rear end faces of the inner wall of the lifting rail groove 102.

[0056] In this embodiment, the horizontal roller 105 and the vertical roller 106 can provide guidance for the up and down movement of the gate 104, reducing the movement resistance. At the same time, the horizontal roller 105 and the vertical roller 106 can limit the horizontal and vertical directions of the gate 104, preventing the position of the gate 104 from shifting.

[0057] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A flexible, fitted cast iron gate bidirectional water-stopping assembly, comprising a gate assembly (1) consisting of a gate frame (101), a lifting rail groove (102), a screw-type hoist (103), and a gate plate (104), wherein the lifting rail groove (102) is located at the top of the gate frame (101) and extends to both sides inside the gate frame (101), the gate plate (104) is vertically slidably installed inside the lifting rail groove (102), the screw-type hoist (103) is installed at the top of the gate frame (101), and the bottom end of the lifting screw of the screw-type hoist (103) is connected to the gate plate (104) via a pin, characterized in that, The gate (104) has a first P-type seal (107) installed on both sides of its outer wall by bolts and pressure plates. The "o"-shaped part of the first P-type seal (107) is tightly fitted to the inner wall end face of the lifting rail groove (102) to achieve the sealing between the gate (104) and the gate frame (101). The inner side of the gate frame (101) is provided with a secondary sealing assembly (2) at the front and rear ends of the gate plate (104). The secondary sealing assembly (2) is used to perform a secondary tight sealing operation on the contact position between the first P-type seal (107) and the lifting rail groove (102). The secondary sealing assembly (2) includes a flexible bonding sealing unit and a linkage unit; The flexible bonding and sealing unit achieves bonding or separation with the first P-type seal (107) by rotation; The linkage unit is used to transmit the lifting power of the gate (104) to the flexible sealing unit, providing power for the rotation of the flexible sealing unit.

2. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 1, characterized in that, The flexible bonding sealing unit includes a linkage shaft (201), a flipping shaft (202), and a second P-type seal (203). The linkage shaft (201) and the flip shaft (202) are vertically connected and fixed, and the linkage shaft (201) and the flip shaft (202) are rotatably connected to the top and bottom of the inner side of the gate frame (101), respectively. The second P-type seal (203) is fixed to the outside of the flip shaft (202) by bolts and pressure plate structure; When the gate (104) is in the closed state, the second P-type seal (203) is horizontally aligned with the first P-type seal (107), and the "O"-shaped part of the second P-type seal (203) is tightly fitted with the "O"-shaped part of the first P-type seal (107) and the contact position of the lifting rail groove (102), which is used to perform secondary sealing at the contact position of the "O"-shaped part of the first P-type seal (107) and the lifting rail groove (102); When the gate (104) moves upward and opens, the second P-type seal (203) is driven away from the first P-type seal (107) by the rotation of the linkage shaft (201) and the flip shaft (202), so as to avoid relative friction between the second P-type seal (203) and the first P-type seal (107).

3. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 2, characterized in that, The linkage unit includes a guide groove (204), an L-shaped connecting seat (205), a linkage seat (206), a ball (207), and a sealing threaded component (208); The guide groove (204) is opened on the outer side of the linkage shaft (201), the linkage seat (206) is fixed to the top of the L-shaped connecting seat (205), the linkage seat (206) is installed on the top of the gate (104) through the L-shaped connecting seat (205), and the linkage seat (206) is slidably sleeved on the outside of the linkage shaft (201); The ball (207) is rolled and installed inside the linkage seat (206) and is limited and slidably connected to the guide groove (204). The linkage seat (206) has a hole and groove for the ball (207) to be installed, and the sealing threaded part (208) is threaded inside the hole and groove and fits against the ball (207). The sealing threaded part (208) is used to realize the installation limit of the ball (207). When the gate (104) moves up and down, it moves along the trajectory (304) via the ball (207) to provide deflection force for the rotation of the linkage shaft (201).

4. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 3, characterized in that, The guide groove (204) is composed of a spiral groove (2041) and a vertical straight groove (2042). The vertical straight groove (2042) is connected to the top of the spiral groove (2041) and is interconnected with it.

5. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 4, characterized in that, A rubber sealing sheet is installed at the bottom of the gate (104). When the gate (104) moves down to the lowest position, the horizontal position of the ball (207) is higher than the horizontal height of the lowest position of the spiral groove (2041).

6. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 1, characterized in that, The gate (104) is also equipped with a transverse roller (105) and a longitudinal roller (106) on both sides. The transverse roller (105) and the longitudinal roller (106) are arranged and fixed in sequence along the vertical direction. The roller of the transverse roller (105) is in contact with the inner wall side of the lifting rail groove (102), and the roller of the longitudinal roller (106) is in contact with the front and rear end faces of the inner wall of the lifting rail groove (102).

7. The flexible, fitted cast iron gate bidirectional water-stopping assembly according to claim 2, characterized in that, The linkage shaft (201), the flip shaft (202), and the second P-type seal (203) are provided in four sets, and the four sets of the linkage shaft (201), the flip shaft (202), and the second P-type seal (203) are respectively located on both sides of the front and rear ends of the gate (104); The L-shaped connecting seat (205) and the linkage seat (206) are symmetrically arranged in two sets with the center line of the gate (104) as the center. Each linkage seat (206) is simultaneously connected to two linkage shafts (201) distributed on the same side. The spiral grooves (2041) on the two linkage shafts (201) distributed on the same side have opposite spiral directions.