CN217000672U

CN217000672U - A leak protection wind device for civil engineering wind channel

Info

Publication number: CN217000672U
Application number: CN202220445163.0U
Authority: CN
Inventors: 李晓静
Original assignee: Zhejiang Zhaobo Construction Co ltd
Current assignee: Zhejiang Zhaobo Construction Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-19
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses an air leakage preventing device for a civil engineering air duct, which comprises an air duct body, wherein a choke plate is arranged inside the air duct body, a rubber layer is fixedly arranged on the outer wall of the choke plate, the outer wall of the rubber layer is contacted with the inner wall of the air duct body, transverse plates are fixedly arranged at positions close to the top and the bottom in the choke plate, the two transverse plates which are arranged up and down are symmetrically arranged, stabilizing frames are fixedly connected to positions close to two sides of the bottom of the transverse plates, a rotating rod is arranged at the center of the top of the transverse plates, a driving gear is fixedly arranged at the bottom of the rotating rod and penetrates through the outer part of the transverse plates, and threaded rods are arranged at one side of each of the two stabilizing frames, which is opposite to the other. This a leak protection wind device for civil engineering wind channel, through the design on choke plate and rubber layer, the rubber layer on the choke plate closely laminates with the inner wall of wind channel body, can effectively play the effect of leak protection wind to the inside of wind channel body.

Description

A leak protection wind device for civil engineering wind channel

Technical Field

The utility model relates to the technical field of civil air ducts, in particular to an air leakage prevention device for a civil air duct.

Background

The civil air duct is a ventilating duct built by sand, the materials of the civil air duct can be bricks, stones and cement, the civil air duct is a steel air duct and a plastic air duct which are opposite to the bricks, the stones and the cement, the civil air duct is mainly made of different materials, gaps often exist at the joint of the civil air duct, and an air leakage prevention device is usually installed inside the civil air duct to avoid air leakage of the civil air duct.

The reference document "an air leakage prevention device for civil engineering wind channel", patent number (CN215212124U), set up concrete layer, mortar layer and flame retardant coating are adhesive connection, and reinforcing bar's one end passes concrete layer in proper order, mortar layer, the inside of flame retardant coating and steel sheet extends to the outside of steel sheet and constitutes threaded connection through screw cap and reinforcing bar, make concrete layer, mortar layer and flame retardant coating be connected more firm, prevent that the wind channel body from collapsing, avoid wind channel body air leakage, improve the steadiness of wind channel body, but, because the wind channel inner space is less, it is inside to fix steel sheet and wind channel through a plurality of screw caps, be unfavorable for the later stage to dismantle the steel sheet and change, thereby the practicality of air leakage prevention device has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air leakage prevention device for a civil engineering air duct, and aims to solve the problem that the practicability of the air leakage prevention device is reduced because the internal space of the air duct is small, a steel plate and the air duct are fixed by a plurality of screw caps in the air duct, and the steel plate is not convenient to disassemble and replace at a later stage.

In order to achieve the purpose, the utility model provides the following technical scheme: an air leakage preventing device for a civil engineering air duct comprises an air duct body, wherein a choke plate is arranged inside the air duct body, a rubber layer is fixedly arranged on the outer wall of the choke plate, the outer wall of the rubber layer is in contact with the inner wall of the air duct body, transverse plates are fixedly arranged at the positions, close to the top and the bottom, in the choke plate, the two transverse plates which are vertically arranged are symmetrically arranged, stabilizing frames are fixedly connected to the positions, close to the two sides, of the bottom of each transverse plate, a rotating rod is arranged at the center of the top of each transverse plate, the bottom of each rotating rod penetrates through the outer portions of the transverse plates and is fixedly provided with a driving gear, threaded rods are arranged on the opposite sides of the two stabilizing frames, one opposite sides of the two threaded rods respectively penetrate through the outer portions of the two stabilizing frames, a driven gear is fixedly arranged at the opposite ends of the two threaded rods, and threaded sleeves are in threaded connection with the opposite sides of the surfaces of the two threaded rods, the center fixedly connected with of thread bush bottom erects the piece, erect one side of piece lean on bottom position fixedly connected with connecting block, one side fixedly connected with clamp plate of connecting block, one side of clamp plate and the outer wall contact of choke plate, the center fixedly connected with fixed pin of clamp plate one side.

Preferably, a handle is fixedly installed at the top of the rotating rod, and the anti-wind-leakage device can be detached or installed by rotating the handle.

Preferably, two grooves are formed in the top of the transverse plate and are respectively located at positions close to two sides of the top of the transverse plate, so that smoothness in the air duct body is guaranteed.

Preferably, the driving gear and the two driven gears are bevel gears, two sides of the driving gear are respectively meshed with the tops of the two driven gears, and the two driven gears can be driven to rotate simultaneously through rotation of the driving gear.

Preferably, the choke plate and the rubber layer are both box-shaped structures.

Preferably, the surfaces of the two threaded rods are respectively provided with a positive thread tooth and a negative thread tooth, and the insides of the two thread sleeves are respectively provided with the positive thread tooth and the negative thread tooth, so that the two thread sleeves can simultaneously move in the same direction or in the opposite direction when the two threaded rods rotate simultaneously.

Preferably, one end of the fixing pin penetrates through the choke plate, the rubber layer and the air duct body in sequence and contacts with the inner wall of the air duct body, and the choke plate can be fixed inside the air duct body through penetration of the fixing pin.

Preferably, the two ends of the two threaded rods are respectively and fixedly connected with bearings fixedly arranged at the top of the two sides in the air duct body, so that the rotating stability of the threaded rods is guaranteed.

Compared with the prior art, the utility model has the beneficial effects that:

this a leak protection wind device for civil engineering wind channel, design through choke plate and rubber layer, the rubber layer on the choke plate closely laminates with the inner wall of wind channel body, can effectively play the effect of leak protection wind to the inside of wind channel body, the bull stick, the driving gear, the threaded rod, driven gear, the thread bush, the cooperation of clamp plate and fixed pin is used, when installing the choke plate, the user can rotate the handle and make two fixed pins run through the choke plate in proper order, in rubber layer and the wind channel body, can be fixed the choke plate and spacing inner wall at the wind channel body through the fixed pin, make this leak protection wind device possess the effect of convenient to detach or installation, the practicality of square air leakage device has been improved, user's user demand has been satisfied.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2 according to the present invention.

In the figure: 1. an air duct body; 2. a choke plate; 3. a rubber layer; 4. a transverse plate; 5. a stabilizing frame; 6. a rotating rod; 7. a driving gear; 8. a handle; 9. a groove; 10. a threaded rod; 11. a driven gear; 12. a threaded sleeve; 13. a vertical block; 14. connecting blocks; 15. pressing a plate; 16. and fixing the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an air leakage preventing device for a civil air duct comprises an air duct body 1, a choke plate 2 is arranged inside the air duct body 1, a rubber layer 3 is fixedly arranged on the outer wall of the choke plate 2, the choke plate 2 and the rubber layer 3 are both of a box structure, the outer wall of the rubber layer 3 is contacted with the inner wall of the air duct body 1, transverse plates 4 are fixedly arranged at positions close to the top and the bottom in the choke plate 2, two grooves 9 are formed in the top of the transverse plates 4, the two grooves 9 are respectively positioned at positions close to two sides of the top of the transverse plates 4, smoothness in the air duct body 1 is ensured, the two transverse plates 4 which are arranged up and down are symmetrically arranged, stabilizing frames 5 are fixedly connected at positions close to two sides of the bottom of the transverse plates 4, a rotating rod 6 is arranged at the center of the top of the transverse plates 4, a handle 8 is fixedly arranged at the top of the rotating rod 6, and the air leakage preventing device can be disassembled or assembled by rotating the handle 8, the bottom of the rotating rod 6 penetrates to the outside of the transverse plate 4 and is fixedly provided with a driving gear 7, one side of each of two stabilizing frames 5, which is opposite to each other, is provided with a threaded rod 10, two ends of each threaded rod 10 are respectively and movably connected with bearings fixedly arranged at the two sides in the air duct body 1 by top positions, so that the rotating stability of the threaded rods 10 is ensured, one side, opposite to each threaded rod 10, penetrates to the outside of the two stabilizing frames 5, one ends, opposite to each threaded rod 10, are respectively and fixedly provided with a driven gear 11, the driving gear 7 and the two driven gears 11 are conical gears, two sides of the driving gear 7 are respectively meshed with the tops of the two driven gears 11, the two driven gears 11 can be simultaneously driven to rotate through the rotation of the driving gear 7, one side, opposite to the surfaces of the two threaded rods 10, is respectively and is in threaded connection with a threaded sleeve 12, and the surfaces of the two threaded rods 10 are respectively provided with a positive thread and a reverse thread, the inside of two thread bush 12 is provided with positive thread tooth and anti-thread tooth respectively, guaranteed that two threaded rods 10 rotate simultaneously, two thread bush 12 can remove with the direction or opposite direction simultaneously, the central fixedly connected with riser block 13 of thread bush 12 bottom, the one side of riser block 13 is by bottom position fixedly connected with connecting block 14, one side fixedly connected with clamp plate 15 of connecting block 14, one side of clamp plate 15 and the outer wall contact of choke plate 2, the central fixedly connected with fixed pin 16 of clamp plate 15 one side, the one end of fixed pin 16 runs through choke plate 2 in proper order, the inside of rubber layer 3 and wind channel body 1 and with the inner wall contact of wind channel body 1, through running through of fixed pin 16, can be to fixing choke plate 2 in the inside of wind channel body 1.

The working principle is as follows: when the air leakage prevention device is installed, firstly, the choke plate 2 is placed in the air duct body 1, the rubber layer 3 is attached to the inner wall of the air duct body 1, then, the two handles 8 at the top and the bottom are respectively rotated, the handle 8 drives the rotating rod 6 to rotate the driving gear 7, the two driving gears 7 simultaneously engage with the two driven gears 11 and simultaneously drive the two threaded rods 10 to rotate, the two threaded rods 10 simultaneously drive the two threaded sleeves 12 to move back and forth, at this time, the threaded sleeve 12 drives the vertical block 13 at the bottom to enable the connecting block 14 to drive the pressure plate 15 and the fixing pin 16 to move towards the inner wall of the air duct body 1, because the position close to the top and the position close to the bottom on the two sides of the inner wall of the air duct body 1 are both provided with the limiting grooves, at the moment, the fixing pin 16 sequentially penetrates through the choke plate 2, the rubber layer 3 and the limiting groove of the air duct body 1, so that the choke plate 2 is fixed and limited inside the air duct body 1.

In summary, the following steps: this a leak protection wind device for civil engineering wind channel, design through choke plate 2 and rubber layer 3, rubber layer 3 on the choke plate 2 closely laminates with the inner wall of wind channel body 1, can effectively play the effect of leak protection wind to the inside of wind channel body 1, bull stick 6, driving gear 7, threaded rod 10, driven gear 11, thread bush 12, clamp plate 15 and fixed pin 16's cooperation is used, when installing choke plate 2, the user can rotate handle 8 and make two fixed pins 16 run through choke plate 2 in proper order, in rubber layer 3 and the wind channel body 1, can be fixed with choke plate 2 and spacing inner wall at wind channel body 1 through fixed pin 16, make this leak protection wind device possess the effect of convenient to detach or installation, square wind leakage device's practicality has been improved, user's user demand has been satisfied.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components appearing in the paper are all electrically connected with an external main controller and 220V mains supply, the main controller can be a servo motor, a contact sensor, a processor, an alarm module, a driving module and other conventional known devices for controlling, standard parts used in the application document can be purchased from the market, the specific connection mode of each part is connected by conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and devices are all of conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that detailed description is not given.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leak protection wind device for civil engineering wind channel, includes wind channel body (1), its characterized in that: the air duct comprises an air duct body (1), wherein a choke plate (2) is arranged inside the air duct body (1), a rubber layer (3) is fixedly arranged on the outer wall of the choke plate (2), the outer wall of the rubber layer (3) is in contact with the inner wall of the air duct body (1), transverse plates (4) are fixedly arranged on the positions, close to the top, and the positions, close to the bottom, of the choke plate (2), the two transverse plates (4) which are arranged up and down are symmetrically arranged, stabilizing frames (5) are fixedly connected to the positions, close to the two sides, of the bottoms of the transverse plates (4), a rotating rod (6) is arranged at the center of the top of each transverse plate (4), the bottom of each rotating rod (6) penetrates through the outer portions of the transverse plates (4) and is fixedly provided with driving gears (7), threaded rods (10) are arranged on the opposite sides of the two stabilizing frames (5), and one side, opposite to the two threaded rods (10), penetrates through the outer portions of the two stabilizing frames (5) respectively, the utility model discloses a wind-resistant plate, including two equal fixed mounting of threaded rod (10) relative one end have driven gear (11), and the equal threaded connection in one side that two threaded rod (10) surfaces are relative has thread bush (12), the central fixedly connected with of thread bush (12) bottom erects piece (13), erect leaning on bottom position fixedly connected with connecting block (14) of piece (13) one side, one side fixedly connected with clamp plate (15) of connecting block (14), the outer wall contact of one side and choke plate (2) of clamp plate (15), the central fixedly connected with fixed pin (16) of clamp plate (15) one side.

2. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: the top of the rotating rod (6) is fixedly provided with a handle (8).

3. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: two grooves (9) are formed in the top of the transverse plate (4), and the two grooves (9) are located on the positions, close to the two sides, of the top of the transverse plate (4) respectively.

4. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: the driving gear (7) and the two driven gears (11) are both conical gears, and two sides of the driving gear (7) are respectively meshed with the tops of the two driven gears (11).

5. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: the choke plate (2) and the rubber layer (3) are both box-shaped structures.

6. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: the surfaces of the two threaded rods (10) are respectively provided with a positive thread and a negative thread, and the insides of the two thread sleeves (12) are respectively provided with a positive thread and a negative thread.

7. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: one end of the fixing pin (16) penetrates through the interior of the choke plate (2), the rubber layer (3) and the air duct body (1) in sequence and is in contact with the inner wall of the air duct body (1).

8. The air leakage prevention device for the civil engineering air duct according to claim 1, characterized in that: two ends of the two threaded rods (10) are respectively and movably connected with bearings fixedly arranged at the positions close to the tops of two sides in the air duct body (1).