Water retaining gate with high leakproofness

By using a double-layer gate design and a motor-driven gear meshing method, the problem of gates being easily broken by the impact of turbulent liquid flow in the existing technology has been solved, achieving high sealing and durability, simplifying gate operation, and reducing maintenance costs.

CN223607818UActive Publication Date: 2025-11-28HEBEI HEXIN WATER CONSERVANCY MASCH CO LTD
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Patent Information

Application Number
CN202423242392.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-28
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In the existing technology, the screw is threaded into the support at the rear end of the gate, which is susceptible to impact from turbulent liquid and may cause the screw to break, resulting in unstable flow and affecting the flow control effect.

Method used

The gate adopts a double-layer gate design. The gate is opened and closed by the tight fit and tangential sliding between the two gate plates and the slide groove, combined with the rotation of the gear driven by the motor. This enhances the gate's ability to withstand turbulent liquid flow. At the same time, the operation of the gate is simplified by the rotation of the gear driven by the motor and the meshing of the gear with two racks.

Benefits of technology

While ensuring watertightness, it enhances the ability to withstand the impact of turbulent liquid flow, prevents rod breakage, improves the durability and fluid flow of the gate, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223607818U_ABST
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Abstract

The utility model relates to the technical field of water retaining gates, and discloses a water retaining gate with high leakproofness, which comprises an external mechanism, a gate mechanism and a driving mechanism, the external mechanism comprises a frame, the gate mechanism comprises two door plates, and the driving mechanism comprises a gear, a first rack and a second rack; a square hole is formed in the center, penetrating through the front end and the rear end, of the frame, a rectangular groove is formed in the position, located above the square hole, in the frame, sliding grooves are formed in the front position of the inner wall of one side of the square hole and the rear position of the inner wall of the other side of the square hole, and the two door plates are arranged in the two sliding grooves in a sliding mode respectively. According to the gate, through tight attachment between the two gate plates and the two sliding grooves and tangent sliding between the two gate plates, on the premise that the water tightness is guaranteed, the bearing capacity to impact of torrential liquid flow is effectively enhanced through the double-layer gate design, meanwhile, the motor is used for driving the gear to rotate, and through meshing of the gear and the two racks, the water tightness of the gate is improved. And the opening and closing operation of the gate is simplified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water retaining gate, especially to a water retaining gate with high sealing performance. BACKGROUND

[0002] Valves are critical control components in fluid conveying systems, and for hydraulic structures, they play a vital role. Their main functions include cutting off water flow, controlling water level, regulating flow, discharging sediment and floating objects, etc. In addition, valves have a variety of other functions, such as stopping, regulating, guiding flow, preventing backflow, stabilizing pressure, shunting or overflow pressure relief, etc. In the fields of municipal engineering, drainage systems, sewage treatment facilities, pump stations and channel irrigation, valves are usually installed at the inlet and outlet, and the purpose of water stopping is achieved through the operation of the gate to ensure the safety and efficiency of the fluid conveying system. The design and application of these valves play an irreplaceable role in maintaining the stable operation of water conservancy projects and optimizing water resource management.

[0003] After searching, the existing patent (publication number: CN221095038U) discloses a "sealed river water gate, including a main frame, the main frame upper end fixedly installed with a connecting plate, the connecting plate upper end middle part fixedly installed with a motor, the motor output end penetrates through the connecting plate and fixedly installed with a gate, the gate front end fixedly installed with a blocking plate. The utility model discloses a sealed river water gate, through the setting of motor, makes the gate when opening or closing, can reduce the consumption of human power, through the motor drive screw rod, and under the rotation of the screw thread of screw rod, makes the support can move on the surface of screw rod up and down, and under the action of screw rod, makes the gate convenient to operate, thereby reducing the consumption of human power, and under the action of movable shaft, makes screw rod realize rotation;Through the setting of blocking plate, and the sealing block is connected in the sealing groove, and the moving block and the sliding groove are closely attached together, through the mutual assistance of moving block and sealing block, the sealing property of the gate can be enhanced, and the phenomenon of water leakage can be avoided."

[0004] The inventor found that the prior art has the following problems in the process of implementing the present application: the above-mentioned comparative patent provides a sealed river water gate by setting a main frame, a connecting plate, a motor, a gate, a blocking plate and a screw rod, but the screw rod thread is sleeved into the support inside the rear end of the gate, and the turbulent flow continuously impacts the surface of the gate, which is easy to cause the fracture of the rod body. Therefore, the skilled person in the art provides a water retaining gate with high sealing performance to solve the problems raised in the background art. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high sealing water blocking gate, which is characterized by the following technical scheme: two door plates are tightly attached to two sliding grooves and tangentially slide, thereby effectively enhancing the bearing capacity of the double-layer gate under the premise of ensuring water tightness, and the opening and closing operation of the gate is simplified through the meshing of a gear and two racks driven by a motor.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high sealing water blocking gate, comprising an external mechanism, a gate mechanism and a driving mechanism, the external mechanism comprises a frame, the gate mechanism comprises two door plates, and the driving mechanism comprises a gear, a first rack and a second rack.

[0007] The frame is provided with a square hole through the center of the front and rear ends, a rectangular slot is formed in the frame above the square hole, a sliding groove is formed in the inner wall of one side of the square hole at the front position and the inner wall of the other side at the rear position, two door plates are respectively slidably arranged in the two sliding grooves, the lower end of the first rack is fixedly arranged at the upper end of the front one of the two door plates, and the lower end of the second rack is fixedly arranged at the upper end of the rear one of the two door plates.

[0008] Further, the lower end of the square hole is fixedly provided with a sliding rail at the front and rear intermediate positions, and the lower end of each of the two sliding grooves is fixedly provided with a sliding rail at the intermediate position, one end of the sliding rail fixedly arranged at the intermediate position of the lower end of the front one of the two sliding grooves is fixedly arranged to one end of the sliding rail fixedly arranged at the intermediate position of the lower end of the square hole, one end of the sliding rail fixedly arranged at the intermediate position of the lower end of the rear one of the two sliding grooves is fixedly arranged to one end of the sliding rail fixedly arranged at the intermediate position of the lower end of the square hole, and the sliding rail at the front is slidably arranged at the intermediate position of the lower end of the front door plate, and the sliding rail at the rear is slidably arranged at the intermediate position of the lower end of the rear door plate.

[0009] Further, the inner side of each of the two door plates is fixedly provided with a protrusion, and a sealing rubber strip is fixedly arranged at the inner side of each of the two door plates at the front and rear positions of the two protrusions, and recesses matching the two protrusions are formed in the inner walls of the two sides of the square hole adjacent to the two sliding grooves.

[0010] Further, a motor is fixedly arranged at the upper end of the center of the rectangular slot, and the center of the gear is fixedly arranged to the output end of the motor.

[0011] Further, the gear is meshed with the first rack, and the gear is meshed with the second rack.

[0012] Further, the first rack rear end is fixedly provided with a first horizontal plate, and the first horizontal plate is movably arranged on the upper end of the two door plates.

[0013] Further, the upper end of the first horizontal plate is movably arranged on the lower end of the second horizontal plate.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. The water gate has high sealing performance, and the tangent sliding contact between the two door plates and the two sliding grooves is well matched, and the tangent sliding contact between the two door plates is well matched, and in the closing process of the gate, the two door plates are gradually slid out of the two sliding grooves along the lower end sliding rail, and the two protrusions are completely connected to the inside of the two recesses, and when the gate is completely opened, the two door plates are slid into the sliding grooves, and the square hole is through, providing a good path for the liquid, ensuring the fluidity of the fluid, and under the premise of ensuring the good water tightness of the contact, the bearing capacity of the turbulent liquid flow impact is effectively enhanced through the double-layer gate design, and the gate structure is protected from damage.

[0016] 2. The water gate has high sealing performance, and the motor driving gear in the driving mechanism is rotated, the gear is meshed with the first rack and the second rack, the relative or reverse sliding of the two door plates is realized, the opening and closing operation of the gate is effectively simplified, compared with the design of the existing technology that the screw rod drives the gate to rise and fall, the face of the gate is avoided from being continuously impacted by the turbulent flow, the rod body is prevented from being broken, the durability is effectively improved, in addition, the first horizontal plate and the second horizontal plate are well tangent sliding at the contact, liquid is effectively prevented from entering the rectangular groove, the corrosion of the internal structure is reduced, the maintenance cost is reduced, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the utility model;

[0018] Figure 2 It is a schematic view of the utility model without installing external mechanism;

[0019] Figure 3 It is a schematic view of the utility model when the gate is opened;

[0020] Figure 4 It is a schematic view of the utility model when the gate is closed;

[0021] Figure 5 It is a schematic view of the utility model when the gate is closed;

[0022] Figure 6The shaft measurement schematic view when the external mechanism is not installed, the gate is closed and the lower end is observed;

[0023] Figure 7 The A place structure amplification schematic view of the utility model Figure 3 ;

[0024] Figure 8 The B place structure amplification schematic view of the utility model Figure 4 ;

[0025] Figure 9 The C place structure amplification schematic view of the utility model Figure 5 .

[0026] Legend:

[0027] 1, external mechanism, 2, gate mechanism, 3, driving mechanism, 101, frame, 102, square hole, 103, sliding rail, 104, sliding groove, 105, recess, 106, rectangular groove, 201, door plate, 202, protruding block, 203, sealing rubber strip, 301, motor, 302, gear, 303, first rack, 304, first horizontal plate, 305, second rack, 306, second horizontal plate. Specific implementation

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 9 , one embodiment provided by the utility model: a water blocking gate with high airtightness, comprising external mechanism 1, gate mechanism 2 and driving mechanism 3, external mechanism 1 comprises frame 101, gate mechanism 2 comprises two door plates 201, and driving mechanism 3 comprises gear 302, first rack 303 and second rack 305.

[0030] The frame 101 is provided with a square hole 102 through the front and rear center, a rectangular slot 106 is opened above the square hole 102 in the frame 101, a sliding slot 104 is opened on the front side inner wall and the rear side inner wall of the square hole 102, and two door plates 201 are respectively slidably arranged in the two sliding slots 104; the lower end of a first gear rack 303 is fixedly arranged on the upper end of the front door plate 201, and the lower end of a second gear rack 305 is fixedly arranged on the upper end of the rear door plate 201.

[0031] Specifically, the two sliding slots 104 in the external mechanism 1 provide good mounting positions for the two door plates 201 in the door gate mechanism 2, and the two door plates 201 in the door gate mechanism 2 provide good mounting positions for the first gear rack 303 and the second gear rack 305 in the driving mechanism 3.

[0032] Referring to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 : The lower end of the square hole 102 is fixedly provided with a sliding rail 103 at the front and rear intermediate positions, and the lower end of the two sliding slots 104 is fixedly provided with a sliding rail 103 at the intermediate positions; one end of the sliding rail 103 fixedly arranged at the lower end of the front sliding slot 104 is fixedly arranged to one end of the sliding rail 103 fixedly arranged at the lower end of the square hole 102 at the front intermediate position, and one end of the sliding rail 103 fixedly arranged at the lower end of the rear sliding slot 104 is fixedly arranged to one end of the sliding rail 103 fixedly arranged at the lower end of the square hole 102 at the rear intermediate position; the front sliding rail 103 is slidably arranged at the lower end of the front door plate 201, and the rear sliding rail 103 is slidably arranged at the lower end of the rear door plate 201.

[0033] The two door plates 201 are fixedly provided with a protrusion 202 at the inner side intermediate position, and the two door plates 201 are fixedly provided with a sealing rubber strip 203 at the inner side of the two protrusions 202 at the front and rear positions; the two sliding slots 104 are opened on the two sides of the square hole 102, and the two protrusions 202 are fitted into the two recesses 105.

[0034] Specifically, when the gate is fully opened, the two door plates 201 are slid into the two sliding grooves 104, the square holes 102 are through from front to back, and the liquid can pass through well. When the gate is gradually closed, the two door plates 201 are gradually slid out of the two sliding grooves 104 along the lower end sliding rails 103 until the two protrusions 202 are completely clamped into the two recesses 105. The tangent sliding contact between the two door plates 201 and the two sliding grooves 104 is well fitted, and the tangent sliding contact between the two door plates 201 is well fitted. Under the premise of ensuring good water tightness at the contact, the double-layer gate design effectively enhances the resistance to turbulent liquid flow impact.

[0035] Referring to Figure 2 , Figure 6 and Figure 9 : The rectangular groove 106 is fixedly provided with a motor 301 at the upper end of the center, and a gear 302 is fixedly provided at the output end of the motor 301. The gear 302 is engaged with the first rack 303 and the second rack 305. The first rack 303 is fixedly provided with a first horizontal plate 304 at the lower edge position of the rear end, and the first horizontal plate 304 is movably arranged at the upper end of the two door plates 201. The second rack 305 is fixedly provided with a second horizontal plate 306 at the lower position of the front end, and the first horizontal plate 304 is movably arranged at the lower end of the second horizontal plate 306.

[0036] Specifically, in use, according to actual needs, the motor 301 is started to drive the gear 302 to rotate, and the gear 302 is well engaged with the first rack 303 and the second rack 305, so as to simultaneously drive the first rack 303 and the second rack 305 to slide relatively or reversely, and then drive the two door plates 201 to slide relatively or reversely, thereby executing the action of opening or closing the gate. In addition, the first horizontal plate 304 and the second horizontal plate 306 are well tangent sliding at the contact, which effectively prevents liquid from entering the rectangular groove 106 during the opening and closing of the gate.

[0037] Working principle: in use, according to actual needs, the motor 301 is started to drive the gear 302 to rotate, and the gear 302 is well engaged with the first rack 303 and the second rack 305, so as to simultaneously drive the first rack 303 and the second rack 305 to slide relatively or reversely, and then drive the two door plates 201 to slide relatively or reversely, thereby executing the action of opening or closing the gate. In addition, the first horizontal plate 304 and the second horizontal plate 306 are well tangent sliding at the contact, which effectively prevents liquid from entering the rectangular groove 106 during the opening and closing of the gate.

[0038] Secondly, when the gate is fully opened, the two door plates 201 are slidably arranged inside the two sliding grooves 104, the square hole 102 is through from front to back, and the liquid can pass through well, when the gate is gradually closed, the two door plates 201 are gradually slid out of the two sliding grooves 104 along the lower end sliding rail 103 and then are completely clamped and arranged inside the two recesses 105 until the two protrusions 202 are completely clamped and arranged inside the two recesses 105, the tangent sliding contact between the two door plates 201 and the two sliding grooves 104 is well fitted, the tangent sliding contact between the two door plates 201 is well fitted, and the bearing capacity of the turbulent liquid flow impact is effectively enhanced by the double-layer gate design under the premise of ensuring the good water tightness of the contact.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A water damming gate with high tightness, comprising an external mechanism (1), a gate damming mechanism (2) and a driving mechanism (3), characterized in that: The external mechanism (1) comprises a frame (101), the door brake mechanism (2) comprises two door plates (201), and the driving mechanism (3) comprises a gear (302), a first rack (303) and a second rack (305); The frame (101) is provided with a square hole (102) penetrating through the front and rear ends, a rectangular groove (106) is formed above the square hole (102) in the frame (101), sliding grooves (104) are formed on the inner walls of one side of the square hole (102) near the front and the other side near the rear, two door plates (201) are respectively slidably arranged in the two sliding grooves (104), and the lower end of the first rack (303) is fixedly arranged on the upper end of one of the two door plates (201) near the front.

2. The water dam according to claim 1, wherein: The lower end of the square hole (102) is fixedly arranged with sliding rails (103) near the front and rear intermediate positions, and the lower end of the two sliding grooves (104) is fixedly arranged with sliding rails (103) near the intermediate positions, one end of the sliding rail (103) fixedly arranged at the lower end of the front sliding groove (104) is fixedly arranged to one end of the sliding rail (103) fixedly arranged at the lower end of the square hole (102) near the front, one end of the sliding rail (103) fixedly arranged at the lower end of the rear sliding groove (104) is fixedly arranged to one end of the sliding rail (103) fixedly arranged at the lower end of the square hole (102) near the rear, and the sliding rail (103) near the front is slidably arranged at the lower end of the door plate (201) near the front, and the sliding rail (103) near the rear is slidably arranged at the lower end of the door plate (201) near the rear.

3. The water dam according to claim 1, wherein: The inner sides of the two door plates (201) are fixedly arranged with protrusions (202) near the intermediate positions, and the inner sides of the two door plates (201) are fixedly arranged with sealing rubber strips (203) near the front and rear positions of the two protrusions (202), and the inner walls of the square hole (102) are provided with grooves (105) matching the two protrusions (202) near the positions of the two sliding grooves (104).

4. The water dam according to claim 1, wherein: The upper end of the rectangular groove (106) is fixedly arranged with a motor (301) at the center, and the gear (302) is fixedly arranged at the output end of the motor (301) at the center.

5. The water dam according to claim 1, wherein: The gear (302) is engaged with the first rack (303), and the gear (302) is engaged with the second rack (305).

6. The high containment water stop dam of claim 1, wherein: The rear end of the first rack (303) is fixedly arranged with a first horizontal plate (304) near the lower edge, and the lower end of the first horizontal plate (304) is movably arranged on the upper end of the two door plates (201).

7. The high containment water damming gate of claim 6, wherein: The upper end of the first horizontal plate (304) is movably arranged on the lower end of the second horizontal plate (306).

Citation Information

Patent Citations

  • Closed riverway sluice

    CN221095038U