CN216342282U - Auxiliary opening device for balance air door - Google Patents
Auxiliary opening device for balance air door Download PDFInfo
- Publication number
- CN216342282U CN216342282U CN202123054973.8U CN202123054973U CN216342282U CN 216342282 U CN216342282 U CN 216342282U CN 202123054973 U CN202123054973 U CN 202123054973U CN 216342282 U CN216342282 U CN 216342282U
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- pressure relief
- relief window
- door
- frame body
- gear disc
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Abstract
The utility model discloses a balance air door auxiliary opening device, which comprises a pressure relief window frame body and a pressure relief window door, wherein one side of the pressure relief window door is hinged on the pressure relief window frame body through a hinge, the other side of the pressure relief window door is arranged on the pressure relief window frame body through a switch component, the switch component comprises a gear disc, one end of a connecting shaft is fixed on each of two sides of the gear disc, the other end of the connecting shaft is rotatably arranged in the pressure relief window door through a bearing, the gear disc is meshed with a rack, a clamping groove is arranged on the pressure relief window frame body, the connecting shaft is driven by a turncap to drive the gear disc to rotate, one end of the rack is driven to extend into or separate from the clamping groove, so that the pressure relief window door and the pressure relief window frame body are limited and fixed, after a pressure relief window is used, the device can be quickly opened by a single person with a single hand, time and labor are saved, the phenomenon that the air door is warped and deformed when the original anchor rod is used for prying the air door, and the air door is increased, the replacement and maintenance difficulty is high.
Description
Technical Field
The utility model relates to the technical field of air door opening devices, in particular to a balance air door auxiliary opening device.
Background
Air door pressure release window is in order to solve the air door and open the air leakage pressure relief device of more difficulty and design installation, it is big to link the balanced air door wind pressure in lane between the main return air lane in pit, lead to drainage personnel, firemen, it is difficult to open the air door during single operation such as towards lane personnel, the air door that originally opens the wind pressure big needs 2 people at least and with the help of stock or stick sled door handle side can open the air door, originally with stock sled when moving the air door with the air door perk deformation, lead to the air door increase that leaks out, it is big to change the maintenance degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a balance air door auxiliary opening device to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: an auxiliary opening device for a balance air door comprises a pressure relief window frame body and a pressure relief window door, wherein one side of the pressure relief window door is hinged on the pressure relief window frame body through a hinge, the other side of the pressure relief window door is arranged on the pressure relief window frame body through a switch component, the switch component comprises a gear disc, one end of a connecting shaft is fixed on each of two sides of the gear disc, the other end of the connecting shaft is rotatably arranged in the pressure relief window door through a bearing, wherein the connecting shaft positioned at one side of the gear disc extends out of the pressure relief window door and is fixedly connected with a turncap, the gear disc is engaged and connected with a rack, the rack is arranged on a fixed shaft fixed in the pressure relief window door in a sliding way, a clamping groove is arranged on the pressure relief window frame body, the connecting shaft is driven by the rotating cap to drive the gear disc to rotate, and one end of the driving rack extends into or is separated from the clamping groove, so that the pressure relief window door and the pressure relief window frame body are limited and fixed.
Furthermore, a sliding sleeve is fixed on the rack, and the rack is slidably mounted on the fixed shaft through the sliding sleeve.
Furthermore, a first bulge and a second bulge are arranged on the fixed shaft.
Furthermore, the rotating cap is provided with a marked arrow.
Furthermore, a cavity for installing a switch component is arranged in the pressure relief window door.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the device is used, a worker can open the pressure release window door outside the air door firstly to ensure that the air pressure at the inner side and the outer side of the air door is the same, then the air door can be normally opened by a single person, the pressure release window is closed after the worker passes through the air door, and the second air door is opened in the same way;
2. after the device uses the pressure release window, single one-hand can open fast, and labour saving and time saving prizes the air door perk deformation when having avoided originally with the stock, leads to the air door increase of leaking out, and it is big to change the maintenance degree of difficulty.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic diagram of the structure A of the present invention;
FIG. 3 is a schematic view of a portion of the switch assembly of the present invention;
FIG. 4 is a schematic diagram of the structure of the labeled arrow of the present invention.
In the reference symbols: 1. a pressure relief window frame; 2. a pressure relief window door; 3. a hinge; 4. a switch assembly; 5. a gear plate; 6. a connecting shaft; 7. a bearing; 8. screwing the cap; 9. a rack; 10. a fixed shaft; 11. a card slot; 12. a sliding sleeve; 13. a first protrusion; 14. a second protrusion; 15. marking an arrow; 16. and a cavity.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-4, the present invention provides a technical solution: an auxiliary opening device for a balance air door comprises a pressure relief window frame body 1 and a pressure relief window door 2, one side of the pressure relief window door 2 is hinged on the pressure relief window frame body 1 through a hinge 3, the other side of the pressure relief window door 2 is installed on the pressure relief window frame body 1 through a switch component 4, the switch component 4 comprises a gear disc 5, one end of a connecting shaft 6 is fixed on each of two sides of the gear disc 5, the other end of the connecting shaft 6 is rotatably installed inside the pressure relief window door 2 through a bearing 7, wherein the connecting shaft 6 positioned on one side of the gear disc 5 extends out of the pressure relief window door 2 and is fixedly connected with a turncap 8, the gear disc 5 is engaged and connected with a rack 9, the rack 9 is slidably installed on a fixed shaft 10 fixed inside the pressure relief window door 2, a clamping groove 11 is arranged on the pressure relief window frame body 1, the connecting shaft 6 is driven by the turncap 8 to drive the gear disc 5 to rotate, and one end of the rack 9 is driven to extend into or separate from the clamping groove 11, so that the pressure relief window and door 2 and the pressure relief window frame 1 are fixed in a limiting way.
A sliding sleeve 12 is fixed on the rack 9, and the rack 9 is slidably mounted on the fixed shaft 10 through the sliding sleeve 12, so that the gear plate 5 can drive the rack 9 to move conveniently.
The fixed shaft 10 is provided with a first protrusion 13 and a second protrusion 14 to prevent the rack 9 from falling off.
Be equipped with on the spiral cap 8 and mark arrow 15, mark arrow 15 is vertical when upwards, and the one end of rack 9 is located draw-in groove 11.
A cavity 16 for installing the switch component 4 is arranged in the pressure relief window and door 2.
The working principle is as follows: the device is when using, drive connecting axle 6 through spiral cap 8 and drive toothed disc 5 and rotate, the one end that drives rack 9 stretches into when draw-in groove 11 is inside, carry out spacing fixed between pressure release window door 2 and the pressure release window frame body 1, when the one end of rack 9 breaks away from draw-in groove 11 inside, pressure release window door 2 can be opened, open pressure release window door 2 back, make the wind pressure of both sides in the air door the same back, single can normally open the air door, treat that personnel pass through behind the air door, close pressure release window door 2 again, open the second way air door again on the same principle, this kind of device uses behind the pressure release window, single one-hand can open fast, time saving and labor saving, pry the air door warp the deformation when having avoided originally using the stock to move the air door, lead to the increase of leaking out of air door, it is big to change the maintenance degree of difficulty.
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 (5)
1. The utility model provides a balanced air door auxiliary opening device which characterized in that: comprises a pressure relief window frame body (1) and a pressure relief window door (2), one side of the pressure relief window door (2) is hinged on the pressure relief window frame body (1) through a hinge (3), the other side of the pressure relief window door (2) is installed on the pressure relief window frame body (1) through a switch component (4), the switch component (4) comprises a gear disc (5), two sides of the gear disc (5) are both fixed with one end of a connecting shaft (6), the other end of the connecting shaft (6) is rotatably installed inside the pressure relief window door (2) through a bearing (7), wherein the connecting shaft (6) positioned at one side of the gear disc (5) extends out of the pressure relief window door (2) and is fixedly connected with a rotary cap (8), the gear disc (5) is engaged with a rack (9), the rack (9) is slidably installed on a fixed shaft (10) fixed inside the pressure relief window door (2), a clamping groove (11) is arranged on the pressure relief window frame body (1), the gear disc (5) is driven to rotate by the rotary cap (8) driving the connecting shaft (6), and one end of the driving rack (9) extends into or is separated from the inside of the clamping groove (11), so that the pressure release window door (2) and the pressure release window frame body (1) are limited and fixed.
2. A balanced damper assisted opening device according to claim 1, characterized in that: a sliding sleeve (12) is fixed on the rack (9), and the rack (9) is slidably mounted on the fixed shaft (10) through the sliding sleeve (12).
3. A balanced damper auxiliary opening device according to claim 2, wherein: the fixed shaft (10) is provided with a first bulge (13) and a second bulge (14).
4. A balanced damper auxiliary opening device according to claim 3, wherein: and a marking arrow (15) is arranged on the screw cap (8).
5. A balanced damper auxiliary opening device according to claim 4, wherein: and a containing cavity (16) for installing the switch component (4) is arranged in the pressure relief window door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054973.8U CN216342282U (en) | 2021-12-07 | 2021-12-07 | Auxiliary opening device for balance air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054973.8U CN216342282U (en) | 2021-12-07 | 2021-12-07 | Auxiliary opening device for balance air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342282U true CN216342282U (en) | 2022-04-19 |
Family
ID=81162327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123054973.8U Active CN216342282U (en) | 2021-12-07 | 2021-12-07 | Auxiliary opening device for balance air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342282U (en) |
-
2021
- 2021-12-07 CN CN202123054973.8U patent/CN216342282U/en active Active
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