CN115059379A - Integral type rapid flap gate - Google Patents

Integral type rapid flap gate Download PDF

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Publication number
CN115059379A
CN115059379A CN202210763397.4A CN202210763397A CN115059379A CN 115059379 A CN115059379 A CN 115059379A CN 202210763397 A CN202210763397 A CN 202210763397A CN 115059379 A CN115059379 A CN 115059379A
Authority
CN
China
Prior art keywords
door
gate
transmission
connecting rod
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210763397.4A
Other languages
Chinese (zh)
Inventor
廖绪福
陆万猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Dema Intelligent Equipment Manufacturing Co ltd
Original Assignee
Guizhou Dema Intelligent Equipment Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Dema Intelligent Equipment Manufacturing Co ltd filed Critical Guizhou Dema Intelligent Equipment Manufacturing Co ltd
Priority to CN202210763397.4A priority Critical patent/CN115059379A/en
Publication of CN115059379A publication Critical patent/CN115059379A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/50—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement
    • E06B3/5009—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement where the sliding and rotating movements are necessarily performed simultaneously
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/32—Serving doors; Passing-through doors ; Pet-doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/41—Concealed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/422—Physical or chemical protection against vibration or noise
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses an integral rapid flap gate which comprises a support mechanism, a driving mechanism and a gate body mechanism, wherein the driving mechanism and the gate body mechanism are arranged on the support mechanism, the gate body mechanism comprises a gate plate and connecting rods hinged with two sides of the gate plate, an upper connecting mechanism and a lower connecting mechanism are symmetrically arranged on two sides of the gate plate, the upper connecting mechanism is hinged with the upper parts of gate legs through the connecting rods, the lower connecting mechanism is fixedly connected with a transmission chain, the lower connecting mechanism is matched with a guide rail in the gate legs through rollers, a motor drives the transmission chain to drive the rollers to slide up and down along the guide rail, and the gate plate is integrally inclined and integrally overturned to be opened and closed under the suspension pull of the connecting rods. The invention improves the movement mode of the turnover door plate, shortens the length of the roller guide rail, simplifies the structure of the bracket mechanism, abandons the arrangement of the traditional top track, overcomes the limitation of the installation environment, saves the installation area, enlarges the application range, has simple structure, simple and convenient manufacture, flexible forward and reverse rotation operation during operation, small friction, low noise and stable operation.

Description

Integral type rapid flap gate
Technical Field
The invention relates to the technical field of flap doors, in particular to an integral rapid flap door.
Background
At present, the existing garage door is mostly a folding door plate, a driving mechanism driven by a motor drives the folding door plate to be rolled up or folded by 90 degrees, and the door plate is opened by matching rollers on two sides of the door plate and a 90-degree bent slide way. And the bottom of the door leg of the existing door plate is provided with a corresponding torque tension spring, so that the resistance of opening the door plate is reduced. In addition, the driving mechanism in the existing garage door is directly connected with the door body mechanism, after the door body mechanism runs for a long time, the top end of the door body mechanism can deform, even the phenomenon of door body fracture can occur, and the using effect and the using comfort are seriously influenced. The existing garage door has many parts and is complex to install, and the difficulty and the cost of later use and maintenance are increased.
It is therefore apparent that there are inconveniences and deficiencies associated with the above-described conventional garage door structure, method and use, and further improvements are desired. How can establish a new integral quick flap door, when making it drive door plant lower part up-and-down motion through gear chain drive mechanism, drive door plant upper portion upset to through the hanging of connecting rod, realize the quick upset of door plant, and simple structure, the simple installation, it is quick to operate steadily, solves the current door body and installs complicacy, the noise is big and the maintenance degree of difficulty increases and the problem that the expense is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an integral rapid panel turnover door, which drives the upper part of a door panel to turn over when driving the lower part of the door panel to move up and down through a gear chain transmission mechanism and realizes rapid turning over of the door panel through the suspension of a connecting rod.
In order to solve the technical problems, the invention provides an integral rapid flap door, which comprises a bracket mechanism, a driving mechanism arranged on the bracket mechanism, and a door body mechanism driven by the driving mechanism to open and close, wherein the driving mechanism comprises a motor, a transmission shaft connected with the motor and controlled by the motor to rotate, and gear chain transmission mechanisms arranged at two ends of the transmission shaft, the door body mechanism comprises a door panel and connecting rods hinged with two sides of the door panel, an upper connecting mechanism and a lower connecting mechanism are symmetrically arranged at two sides of the door panel, the upper connecting mechanism is hinged with the lower ends of the connecting rods, the upper ends of the connecting rods are hinged with the upper parts of supporting legs of the bracket mechanism, the lower connecting mechanism is fixedly connected with the transmission chains of the gear chain transmission mechanisms through a running part, the lower connecting mechanism also comprises rollers, guide rails for the rollers to roll are arranged on the supporting legs of the bracket mechanism, the motor drives the transmission chain of the gear chain transmission mechanism, the transmission chain drives the roller of the door plate lower connecting mechanism to slide up and down along the guide rail, and the door plate is integrally inclined and is integrally turned on and off under the suspension of the connecting rod.
In a further improvement, the upper hinge connection point and the lower hinge connection point of the connecting rod are arranged in a staggered mode in the vertical direction.
The improved structure is characterized in that the connecting rod is a connecting rod with a bending part at the upper part.
The improved structure is characterized in that the upper connecting mechanism comprises a first fixed bearing and a first pin shaft which is rotatably connected with the first fixed bearing, and the other end of the first pin shaft is rotatably connected with the lower end part of the connecting rod.
The lower connecting mechanism comprises a second fixed bearing and a second pin shaft which is rotatably connected with the second fixed bearing, the other end of the second pin shaft is rotatably connected with the roller, and the middle of the second pin shaft is fixedly provided with the running part.
The transmission mechanism comprises an upper gear and a lower gear, the upper gear is arranged on the transmission shaft, the lower gear is arranged on the lower portion of the supporting leg, and the transmission chain is connected with the upper gear and the lower gear.
The improved structure is characterized in that the transmission shaft is arranged on a cross beam of the bracket mechanism through a bearing fixing seat, and the motor is arranged in one end of the transmission shaft.
In a further improvement, a buffering safety air bag is arranged at the bottom of the door plate.
The improved door is characterized in that a small vertical hinged door is mounted on the door panel.
After adopting such design, the invention has at least the following advantages:
1. the integral type rapid turnover door realizes rapid integral turnover of the door plate by controlling the upper part of the turnover door plate to slide up and down and hanging the upper part of the turnover door plate through the connecting rod, thereby not only shortening the length of a roller guide rail, but also linearly arranging the guide rail, reducing the installation arrangement of the existing top track, having simple structure, simple and convenient manufacture, expanding the application range, having small friction during operation and reducing the noise; and direct positive and negative rotation control to the motor can realize the conversion in the twinkling of an eye of the door body, and the operation is nimble, and this integral quick flap door long service life, simple installation, it is simple to maintain.
2. Still through installing the motor inside the transmission shaft, simplified gimbal mechanism's structure, compare in traditional motor mounting means more pleasing to the eye, and reduced the space usage, stopped the risk that the motor dropped. The improvement of the bracket mechanism is also convenient for the stable operation of the large door body mechanism, and the bracket mechanism can adapt to more door body installation sizes with different requirements.
3. Still through installing the flat-open wicket on the door plant, the personnel of being convenient for pass in and out avoids frequently opening the operation of panel turnover door, promotes the practicality and prolongs panel turnover door life.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a front view of the structure of the closed state of the integral type quick flap door of the present invention.
Fig. 2 is a schematic structural view of the removal bracket mechanism for the closed state of the integral type rapid flap door according to the present invention.
Fig. 3 is an enlarged partial view of the upper attachment mechanism of the integrated quick flap door of the present invention.
Fig. 4 is an enlarged partial schematic view of the lower connecting mechanism of the integral speed flap door of the present invention.
Fig. 5 is a structural side view of the integrated quick flap door of the present invention in a closed state.
Fig. 6 is a structural side view showing an opened state of the integrated rapid flap door according to the present invention.
Fig. 7 is a structural perspective view of the integrated rapid flap door of the present invention in an opened state.
Detailed Description
Referring to fig. 1 and 2, the integral type rapid flap gate of the embodiment includes a support mechanism, a driving mechanism disposed on the support mechanism, and a gate mechanism driven by the driving mechanism to open and close.
The support mechanism in the embodiment is composed of two support legs 11 and a cross beam 12, and is simple in structure and convenient to manufacture.
The driving mechanism comprises a motor 21, a transmission shaft 22 which is connected with the motor 21 and is controlled by the motor to rotate, and a gear chain transmission mechanism which is arranged at two ends of the transmission shaft 22. The gear chain transmission mechanism comprises an upper gear 23 arranged on the transmission shaft 22 and a lower gear 24 arranged at the lower part of the supporting leg 11, and a transmission chain 25 is connected with the upper gear 23 and the lower gear 24.
In this embodiment, the transmission shaft 22 is disposed on the cross beam 12 of the bracket mechanism through a bearing fixing seat, and the motor 21 is disposed inside one end of the transmission shaft 22. This institutional advancement can not only furthest practice thrift installation space, makes the door body can adapt to more different mounting dimensions more to a great extent, but also can effectively avoid the motor to drop, promotes a body security.
The door body mechanism comprises a door plate 31 and a connecting rod 32 hinged to two sides of the door plate 31, wherein an upper connecting mechanism and a lower connecting mechanism are symmetrically arranged on two sides of the door plate 31.
Referring to fig. 3, the upper connecting mechanism includes a first fixed bearing 41 and a first pin 42 rotatably connected thereto, the other end of the first pin 42 is rotatably connected to the lower end of the connecting rod 32, and the upper end of the connecting rod 32 is rotatably connected to the upper portion of the leg 11 of the bracket mechanism. Therefore, when the door panel 31 is turned over, the connecting rod 32 can firmly and reliably suspend the door panel, so that the door panel can be stably turned over and operated.
In this embodiment, the upper hinge connection point a and the lower hinge connection point B of the connection rod 32 are arranged in a staggered manner in the vertical direction, so that the door panel can be better ensured to be started. If the connecting rod 32 is provided with a bending structure at the upper part, the upper hinge connection point a of the bending structure is located on the supporting leg 11, and the lower end of the connecting rod 32 corresponds to the axle center of the first fixing bearing 41 arranged on the back of the door panel 31, so that the lower hinge connection point B is located on the outer side of the supporting leg 11, which is convenient for the door panel to turn over and start, as shown in fig. 5.
Referring to fig. 4, the lower connecting mechanism includes a second fixed bearing 51 and a second pin 52 rotatably connected to the second fixed bearing, the other end of the second pin 52 is rotatably connected to a roller 53, the middle of the second pin 52 is fixedly connected to the transmission chain 25 of the gear-chain transmission mechanism through a running component 54, and a guide rail 13 for the roller 53 to roll is disposed on the supporting leg 11 of the supporting frame mechanism.
The motor 21 drives the transmission shaft 22 to rotate, the transmission shaft 22 drives the two upper gears 23 to rotate, the two upper gears 23 respectively drive the two lower gears 24 to rotate through the two transmission chains 25, and the transmission chains 25 drive the rollers 53 of the lower connecting mechanism of the door panel 31 to slide up and down along the guide rails 13 in the transmission process, so that the door panel 31 is integrally inclined, and the door panel 31 is integrally turned over and opened and closed under the suspension pull of the connecting rod 32, as shown in fig. 6 and 7.
In this embodiment still install the small vertical hinged door 33 on the door plant 31, install handle 34 on the small vertical hinged door 33, the personnel of being convenient for pass in and out avoids frequently opening the operation of panel turnover door, promotes the practicality and prolongs panel turnover door life.
In this embodiment, a cushion airbag 35 is further connected to the bottom of the door panel 31. Therefore, when the motor 21 drives the door mechanism to operate, the airbag 35 can avoid the impact when the door is closed, and the omnibearing safe use protection is achieved.
The integral type rapid flap gate has the advantages that the movement mode of the flap gate is improved, the structural arrangement of the existing flap gate is thoroughly changed, the length of the roller guide rail is shortened, the structure of the bracket mechanism is simplified, the traditional installation of the existing top rail is abandoned, the limitation of the installation environment is overcome, the installation area is saved, the application range is enlarged, the integral type rapid flap gate is simple in structure, simple and convenient to manufacture, flexible in forward and reverse rotation operation during operation, small in friction, low in noise, stable in operation and suitable for more installation sizes with different requirements.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.

Claims (9)

1. An integral rapid panel turnover door comprises a support mechanism, a driving mechanism arranged on the support mechanism, and a door body mechanism driven by the driving mechanism to open and close, wherein the driving mechanism comprises a motor, a transmission shaft connected with the motor and controlled by the motor to rotate, and a gear chain transmission mechanism arranged at two ends of the transmission shaft, and is characterized in that the door body mechanism comprises a door panel and connecting rods hinged with two sides of the door panel, an upper connecting mechanism and a lower connecting mechanism are symmetrically arranged at two sides of the door panel, the upper connecting mechanism is hinged with the lower end of the connecting rod, the upper end of the connecting rod is hinged with the upper parts of supporting legs of the support mechanism, the lower connecting mechanism is fixedly connected with the transmission chains of the gear chain transmission mechanism through a running part, the lower connecting mechanism also comprises a roller, and a guide rail for the roller to roll is arranged on the supporting legs of the support mechanism, the motor drives the transmission chain of the gear chain transmission mechanism, the transmission chain drives the roller of the door plate lower connecting mechanism to slide up and down along the guide rail, and the door plate is integrally inclined and is integrally turned on and off under the suspension of the connecting rod.
2. The integrated rapid flap door according to claim 1, wherein the upper hinge connection point and the lower hinge connection point of the connecting rod are vertically displaced.
3. The integrated rapid flap door according to claim 2, wherein the connecting rod is a connecting rod having a bent portion at an upper portion thereof.
4. The integrated rapid flap door according to claim 3, wherein the upper connecting mechanism comprises a first fixed bearing and a first pin rotatably connected thereto, and the other end of the first pin is rotatably connected to the lower end of the connecting rod.
5. The integrated rapid flap door according to claim 4, wherein the lower connecting mechanism comprises a second fixed bearing and a second pin rotatably connected thereto, the other end of the second pin is rotatably connected to the roller, and the operating member is fixed in the middle of the second pin.
6. The integrated rapid flap door according to claim 1, wherein the gear chain transmission comprises an upper gear provided on the transmission shaft and a lower gear provided at a lower portion of the leg, the transmission chain connecting the upper gear and the lower gear.
7. The integrated rapid flap door according to claim 6, wherein the transmission shaft is disposed on the cross beam of the bracket mechanism through a bearing fixing seat, and the motor is disposed inside one end of the transmission shaft.
8. The integrated rapid flap door according to claim 1, wherein a cushion airbag is provided at a bottom of the door panel.
9. The integral rapid flap door according to any one of claims 1 to 8 wherein a small vertical hinged door is mounted on the door panel.
CN202210763397.4A 2022-06-29 2022-06-29 Integral type rapid flap gate Pending CN115059379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210763397.4A CN115059379A (en) 2022-06-29 2022-06-29 Integral type rapid flap gate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210763397.4A CN115059379A (en) 2022-06-29 2022-06-29 Integral type rapid flap gate

Publications (1)

Publication Number Publication Date
CN115059379A true CN115059379A (en) 2022-09-16

Family

ID=83203489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210763397.4A Pending CN115059379A (en) 2022-06-29 2022-06-29 Integral type rapid flap gate

Country Status (1)

Country Link
CN (1) CN115059379A (en)

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