Electric flood-proof device for ground ventilation opening

Abstract

The utility model discloses an electric flood-proof device for a ground ventilation opening. The electric flood-proof device comprises a liftable water baffle which is arranged on the inner side of each louver and is of a pipe structure. The liftable water baffle is in sliding pair connection with the air shaft side wall where the ventilation opening is located and can vertically reciprocate along the corresponding air shaft side wall, a sealing structure is arranged between the lower end edge of the liftable water baffle and the air shaft side wall below the height of the lower window frame of the corresponding shutter, and a water baffle lifting device is arranged in the liftable water baffle; the sealing structure comprises an outer sealing gear ring arranged on the inner side of the side wall of the air shaft and an inner sealing gear ring arranged on the outer side of the liftable water baffle; the inner diameter of the outer sealing gear ring is smaller than the outer diameter of the inner sealing gear ring, and an outer conical sealing face and an inner conical sealing face which are matched with each other and can be nested and sealed are arranged on the two faces, opposite to the inner sealing gear ring, of the outer sealing gear ring correspondingly. By means of the underground water retaining device, rainwater can be effectively prevented from entering the underground space, remote operation of the water retaining device can be achieved, dangerous cases can be handled in time, unified allocation is achieved, and management is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of underground building ventilation, in particular to an electric anti-flooding device for a ground vent. Background Art

[0002] Ventilation vents are an important part of underground structures such as underground spaces, tunnels, pipe galleries, and underground garages. The ventilation, heat dissipation, and moisture removal of underground structures all need to be achieved through air convection between the ground vents and the ground air.

[0003] However, as underground space continues to develop, the number of surface vents is also increasing.

[0004] Traditional ground vents are mostly side ventilated, and the ventilation louvers are a certain distance above the ground to prevent rainwater backflow.

[0005] However, when encountering extreme rainstorms, rainwater accumulates on the ground and the water rises too quickly, the water in the low-lying areas will flow over the vents and into the underground space, causing harm.

[0006] Therefore, how to more effectively prevent rainwater from entering the underground space, realize remote operation of the water retaining device, deal with dangerous situations in a timely manner, achieve unified deployment, and facilitate management has become a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0007] In view of the above-mentioned defects of the prior art, the utility model provides an electric flood prevention device for ground vents, which aims to more effectively prevent rainwater from entering the underground space, and can realize remote operation of the water retaining device, deal with dangerous situations in time, achieve unified deployment, and facilitate management.

[0008] To achieve the above-mentioned purpose, the utility model discloses an electric flood prevention device for a ground vent, which is arranged at a vent where the air shaft is located on the ground, and is used to block water entering from each shutter on the side of the vent, including a liftable water retaining plate arranged on the inner side of each shutter.

[0009] The liftable water baffle is a tube structure matching the inner cavity of the vent, and is connected to the side wall of the air shaft where the vent is located in a movable pair, and can reciprocate up and down along the corresponding side wall of the air shaft. A sealing structure is provided between the lower edge and the side wall of the air shaft below the height of the lower window frame of the corresponding shutter, and a water baffle lifting device is provided inside;

[0010] The sealing structure comprises an outer sealing toothed ring arranged on the inner side of the wind shaft side wall, and an inner sealing toothed ring arranged on the outer side of the liftable water retaining plate;

[0011] The inner diameter of the outer sealing toothed ring is smaller than the outer diameter of the inner sealing toothed ring, and the two surfaces facing the inner sealing toothed ring are respectively provided with an outer conical sealing surface and an inner conical sealing surface that match each other and can be nested and sealed;

[0012] The outer conical sealing surface is a tube structure whose outer side wall is in a truncated cone shape;

[0013] The inner conical sealing surface is a tube structure whose inner side wall is a truncated cone;

[0014] The water retaining plate lifting device is an electrically driven mechanical lifting device.

[0015] Preferably, the motor is fixed by a motor base arranged in the wind shaft.

[0016] Preferably, the mechanical lifting device includes a screw rod driven by the motor and arranged vertically, and an internally threaded sleeve fixed to the inside of the liftable water retaining plate.

[0017] More preferably, the motor and the screw are both arranged near the four corners of the air shaft.

[0018] Preferably, the controller of the motor is arranged on site.

[0019] Preferably, a position sensor is provided in the vent corresponding to the lifting range of the liftable water retaining plate, and the height of the liftable water retaining plate is collected by the position sensor.

[0020] More preferably, the position sensor and the controller of the motor are both connected to a wireless communication module, and the height of the liftable water retaining plate is sent to the user through the wireless communication module, and the wireless communication module receives instructions from the user to control the operation of the motor;

[0021] Alternatively, the position sensor and the controller of the motor are connected via a data line to transmit signals to a control room, and receive instructions from the user in the control room through the data line to control the operation of the motor.

[0022] Preferably, the outer conical sealing surface is provided at a position close to the inner wall below the outer sealing toothed ring; and the inner conical sealing surface is provided at a position close to the outer wall above the inner sealing toothed ring.

[0023] More preferably, the inner conical sealing surface and the liftable water retaining plate form a groove in which a flexible filling material is embedded.

[0024] More preferably, the flexible filling material is sponge or silica gel.

[0025] Beneficial effects of the utility model:

[0026] The application of the utility model can more effectively prevent rainwater from entering the underground space, and can realize remote operation of the water retaining device, deal with dangerous situations in time, achieve unified deployment, and be more convenient for management.

[0027] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the longitudinal cross-sectional structure of an embodiment of the utility model is shown when the liftable water retaining plate is not raised.

[0029] Figure 2 A schematic diagram of the cross-sectional structure of a liftable water retaining plate raised to the top in one embodiment of the utility model is shown.

[0030] Figure 3 A schematic diagram of the structure in a top view in one embodiment of the utility model is shown.

[0031] Figure 4 A schematic cross-sectional structure diagram of an inner conical sealing surface provided on an inner sealing gear ring in one embodiment of the utility model is shown. DETAILED DESCRIPTION

[0032] Example

[0033] like Figures 1 to 4 As shown, an electric flood prevention device for a ground vent is arranged at a vent where the air shaft is located on the ground, and is used to block water entering from each louver 1 on the side of the vent, and includes a liftable water retaining plate 2 arranged on the inner side of each louver 1;

[0034] The liftable water baffle 2 is a tube structure matching the inner cavity of the vent, and is connected to the side wall 3 of the air shaft where the vent is located in a movable pair, and can reciprocate up and down along the corresponding side wall 3 of the air shaft, and a sealing structure 4 is provided between the lower edge and the side wall 3 of the air shaft below the height of the lower window frame of the corresponding shutter 1, and a water baffle lifting device is provided inside;

[0035] The sealing structure 4 comprises an outer sealing toothed ring 41 arranged on the inner side of the wind shaft side wall 3, and an inner sealing toothed ring 42 arranged on the outer side of the liftable water retaining plate 2;

[0036] The inner diameter of the outer sealing toothed ring 41 is smaller than the outer diameter of the inner sealing toothed ring 42, and the two surfaces facing the inner sealing toothed ring 42 are respectively provided with an outer conical sealing surface 43 and an inner conical sealing surface 44 which match each other and can be nested and sealed;

[0037] The outer conical sealing surface 43 is a tube structure with an outer side wall in a truncated cone shape;

[0038] The inner conical sealing surface 44 is a tube structure with an inner side wall in a truncated cone shape;

[0039] The water retaining plate lifting device is a mechanical lifting device driven by electricity.

[0040] In actual application, the utility model controls the lifting of the tubular liftable water baffle 2 arranged in the vent of the air shaft through a mechanical lifting device driven by a motor 5, and forms a seal by setting an outer conical sealing surface 43 and an inner conical sealing surface 44 that match each other and can be nested and sealed through an outer sealing tooth ring 41 on the inner side of the air shaft side wall 3 and an inner sealing tooth ring 42 arranged on the outer side of the liftable water baffle 2, thereby blocking water entering from each shutter 1 on the side of the vent.

[0041] In some embodiments, the motor 5 is fixed by a motor base 51 disposed in the air shaft.

[0042] In some embodiments, the mechanical lifting device includes a screw rod 6 driven by a motor 5 and arranged vertically, and an internal threaded sleeve 7 fixed to the inside of the liftable water retaining plate 2 .

[0043] In actual application, the internal threaded sleeve 7 is threadedly connected to the screw rod 6, and the upper end of the screw rod 6 is arranged on the air shaft cover 8 of the ventilation opening in the form of a rotary pair. The internal threaded sleeve 7 can move up and down with the rotation of the screw rod 6, driving the liftable water retaining plate 2 to move up and down.

[0044] In some embodiments, the motor 5 and the screw 6 are both arranged near the four corners of the air shaft.

[0045] In some embodiments, the controller of the motor 5 is provided on-site.

[0046] In some embodiments, a position sensor is provided in the vent corresponding to the lifting range of the liftable water retaining plate 2, and the height of the liftable water retaining plate 2 is collected by the position sensor.

[0047] In some embodiments, the position sensor and the controller of the motor 5 are connected to the wireless communication module, and the height of the liftable water retaining plate 2 is sent to the user through the wireless communication module, and the wireless communication module receives instructions from the user to control the operation of the motor 5;

[0048] Alternatively, the position sensor and the controller of the motor 5 are connected via data lines to transmit signals to a control room, and receive instructions from a user in the control room via the data lines to control the operation of the motor 5.

[0049] In some embodiments, an outer conical sealing surface 43 is provided below the outer sealing toothed ring 41 near the inner wall; an inner conical sealing surface 44 is provided above the inner sealing toothed ring 42 near the outer wall.

[0050] In some embodiments, the inner conical sealing surface 44 and the liftable water retaining plate 2 form a groove in which a flexible filling material 45 is embedded.

[0051] In some embodiments, the flexible filling material 45 is sponge or silicone.

[0052] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An electric flood prevention device for a ground vent, arranged at a vent where the air shaft is located on the ground, for blocking water entering from each shutter (1) on the side of the vent; It is characterized in that It comprises a liftable water retaining plate (2) arranged on the inner side of each of the shutters (1); The liftable water baffle (2) is in the form of a tube structure matching the inner cavity of the vent, and is connected to the side wall (3) of the air shaft where the vent is located in a movable pair, and can reciprocate up and down along the corresponding side wall (3) of the air shaft, and a sealing structure (4) is provided between the lower edge and the side wall (3) of the air shaft below the height of the lower window frame of the corresponding shutter (1), and a water baffle lifting device is provided inside; The sealing structure (4) comprises an outer sealing toothed ring (41) arranged on the inner side of the wind shaft side wall (3), and an inner sealing toothed ring (42) arranged on the outer side of the liftable water retaining plate (2); The inner diameter of the outer sealing toothed ring (41) is smaller than the outer diameter of the inner sealing toothed ring (42), and two surfaces facing the inner sealing toothed ring (42) are respectively provided with an outer conical sealing surface (43) and an inner conical sealing surface (44) that match each other and can be nested and sealed; The outer conical sealing surface (43) is a tube structure with an outer side wall in a truncated cone shape; The inner conical sealing surface (44) is a tube structure whose inner side wall is in a truncated cone shape; The water retaining plate lifting device is an electrically driven mechanical lifting device.

2. The electric flood prevention device for ground vents according to claim 1, It is characterized in that The motor (5) is fixed by a motor base (51) arranged in the wind shaft.

3. The electric flood prevention device for ground vents according to claim 2, It is characterized in that The mechanical lifting device comprises a screw rod (6) driven by the motor (5) and arranged vertically, and an internal threaded sleeve (7) fixed inside the liftable water retaining plate (2).

4. The electric flood prevention device for ground vents according to claim 3, It is characterized in that The motor (5) and the screw rod (6) are both arranged near the four corners of the air shaft.

5. The electric flood prevention device for ground vents according to claim 2, It is characterized in that The controller of the motor (5) is arranged on site.

6. The electric flood prevention device for ground vents according to claim 2, It is characterized in that A position sensor is provided in the ventilation opening corresponding to the lifting range of the liftable water retaining plate (2), and the height of the liftable water retaining plate (2) is collected by the position sensor.

7. The electric flood prevention device for ground vents according to claim 6, It is characterized in that The position sensor and the controller of the motor (5) are both connected to a wireless communication module, and the height of the liftable water retaining plate (2) is sent to a user through the wireless communication module, and the wireless communication module receives instructions from the user to control the operation of the motor (5); Alternatively, the position sensor and the controller of the motor (5) are connected via a data line to transmit signals to a control room, and receive instructions from the user in the control room via the data line to control the operation of the motor (5).

8. The electric flood prevention device for ground vents according to claim 1, It is characterized in that The outer conical sealing surface (43) is provided below the outer sealing toothed ring (41) and close to the inner wall; the inner conical sealing surface (44) is provided above the inner sealing toothed ring (42) and close to the outer wall.

9. The electric flood prevention device for ground vents according to claim 7, It is characterized in that The inner conical sealing surface (44) and the liftable water retaining plate (2) form a groove in which a flexible filling material (45) is embedded.

10. The electric flood prevention device for ground vents according to claim 9, It is characterized in that The flexible filling material (45) is sponge or silica gel.

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