CN204002891U - Door opening device and air door - Google Patents
Door opening device and air door Download PDFInfo
- Publication number
- CN204002891U CN204002891U CN201420195288.8U CN201420195288U CN204002891U CN 204002891 U CN204002891 U CN 204002891U CN 201420195288 U CN201420195288 U CN 201420195288U CN 204002891 U CN204002891 U CN 204002891U
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- Prior art keywords
- rotating shaft
- rod
- control stick
- door
- distance
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Abstract
A kind of door opening device, for being arranged on the air door in tunnel, comprising: fastening devices; Be arranged at rotationally control stick in fastening devices, what control stick included rotating shaft and was divided into rotating shaft two ends prizes the body of rod and the spanner body of rod, the spanner body of rod is the first distance away from one end to the distance of rotating shaft of rotating shaft, prizing the body of rod is second distance away from one end of rotating shaft to the distance of rotating shaft, and the length of the first distance is at least two times of length of second distance; Prize on body of rod one end away from rotating shaft and be provided with rolling member.Design by said structure, control stick is arranged in fastening devices, and fastening devices is equivalent to fixed support, and control stick forms lever taking fastening devices as fulcrum, and the utility model utilizes lever principle, thereby reaches the object that the less power of employing is opened air door.The utility model also provides a kind of air door that above-mentioned door opening device is installed, and adopts lever principle to open air door, can reduce dramatically the difficulty of door opening.
Description
Technical field
The utility model belongs to down-hole ventilation equipment technical field, more particularly, and particularly a kind of door opening device and a kind of air door.
Background technology
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical air door in prior art.
In the technical field of colliery, that the air door under coal mine in main air entering and returning connection roadway plays a part to cut off is distinguished and admirable, keep mine ventilation system stable.In the prior art, the air door that plays the distinguished and admirable effect of partition under a kind of typical coal mine mainly comprises doorframe 1, door leaf 2, handle and door-hinge hinged joint, handle is arranged on door leaf 2, and door leaf 2 is arranged on doorframe 1 by door-hinge hinged joint, and doorframe is being fixedly installed in tunnel.
But because air door is in mainly, between return airway, the distinguished and admirable pressure of air door both sides can differ from and reach 1500Pa left and right, therefore, makes air door be not easy very much to open, even sometimes with a people's the strength air door of not opening.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of door opening device and a kind of air door, in order to solve the problems of the technologies described above.
For this reason, the utility model provides following technical scheme.
A kind of door opening device, for being arranged on the air door in tunnel, comprising: fastening devices; Be arranged at rotationally control stick in described fastening devices, what described control stick included rotating shaft and was divided into described rotating shaft two ends prizes the body of rod and the spanner body of rod, the described spanner body of rod is the first distance away from one end to the distance of described rotating shaft of described rotating shaft, the described body of rod that prizes is second distance away from one end of described rotating shaft to the distance of described rotating shaft, and the length of described the first distance is at least two times of length of described second distance; Described prizing on body of rod one end away from described rotating shaft is provided with rolling member.
Preferably, described in, prize that the body of rod is vertical with described rotating shaft to be arranged; The described spanner body of rod is vertical with described rotating shaft to be arranged.
Preferably, described control stick is metal control stick, and described control stick is integral type structure design.
Preferably, described rolling member is rolling bearing.
The utility model also provides a kind of air door, includes doorframe and is articulated with the door leaf on described doorframe, also includes door opening device described above; Described door opening device includes fastening devices, control stick and is arranged at the rolling member on described control stick; Described fastening devices is arranged on described doorframe or door leaf; Described rolling member rolls and contacts with described door leaf or doorframe.
The utility model provides a kind of door opening device, for being arranged on the air door in tunnel, comprising: fastening devices; Be arranged at rotationally control stick in described fastening devices, what described control stick included rotating shaft and was divided into described rotating shaft two ends prizes the body of rod and the spanner body of rod, the described spanner body of rod is the first distance away from one end to the distance of described rotating shaft of described rotating shaft, the described body of rod that prizes is second distance away from one end of described rotating shaft to the distance of described rotating shaft, and the length of described the first distance is at least two times of length of described second distance; Described prizing on body of rod one end away from described rotating shaft is provided with rolling member.
Design by said structure, control stick is arranged in fastening devices, and fastening devices is equivalent to fixed support, and control stick forms lever taking fastening devices as fulcrum, and the utility model utilizes lever principle, thereby reaches the object that the less power of employing is opened air door.
In actual use, the air door of above-mentioned door opening device is installed in the time opening the door, pulls the spanner body of rod of control stick, make to prize the rolling member sliding opening air door that rod end arranges.After door opening, the pressure reduction of air door both sides rapidly disappears, and reduces the resistance that opens the door.
The utility model also provides a kind of air door, includes doorframe and is articulated with the door leaf on described doorframe, also includes door opening device described above; Described door opening device includes fastening devices, control stick and is arranged at the rolling member on described control stick; Described fastening devices is arranged on described doorframe or door leaf; Described rolling member rolls and contacts with described door leaf or doorframe.
The air door that the utility model provides, due to above-mentioned door opening device being installed, adopts lever principle to open air door, can reduce dramatically the difficulty of door opening.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of typical air door in prior art;
In Fig. 1, the corresponding relation of component names and Reference numeral is:
Doorframe 1, door leaf 2;
Fig. 2 is the structural representation of control stick in a kind of embodiment of the utility model;
Fig. 3 is the lateral view of control stick in a kind of embodiment of the utility model;
Fig. 4 is the structural representation of air door in a kind of embodiment of the utility model;
In Fig. 2 to Fig. 4, the corresponding relation of component names and Reference numeral is:
Fastening devices 1, rotating shaft 2, prize the body of rod 3, the spanner body of rod 4, rolling member 5,
Doorframe 6, door leaf 7.
Detailed description of the invention
In order to make those skilled in the art person understand better the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 2 to Fig. 4, wherein, Fig. 2 is the structural representation of control stick in a kind of embodiment of the utility model; Fig. 3 is the lateral view of control stick in a kind of embodiment of the utility model; Fig. 4 is the structural representation of air door in a kind of embodiment of the utility model.
The utility model provides a kind of door opening device, for being arranged on the air door in tunnel, comprising: fastening devices 1; Be arranged at rotationally control stick in fastening devices 1, what control stick included rotating shaft 2 and was divided into rotating shaft 2 two ends prizes the body of rod 3 and the spanner body of rod 4, the spanner body of rod 4 is the first distance away from one end to the distance of rotating shaft 2 of rotating shaft 2, prizing the body of rod 3 is second distance away from one end of rotating shaft 2 to the distance of rotating shaft 2, and the length of the first distance is at least two times of length of second distance; Prize on the body of rod 3 one end away from rotating shaft 2 and be provided with rolling member 5.
In said structure design, prize the body of rod 3 and the spanner body of rod 4 and be fixedly connected with rotating shaft 2, prize the body of rod 3 and can rotate with rotating shaft 2 with the spanner body of rod 4.Rotating shaft 2 is rotationally connected with fastening devices 1, and so, in the time that operating personnel pull the spanner body of rod 4, rotating shaft 2 can be rotated in fastening devices 1, so, prizes the body of rod 3 and rotates with rotating shaft 2.In actual applications, the utility model is arranged on air door, and fastening devices 1 is arranged on door leaf 7, and the one end and the doorframe 6 that prize the body of rod 3 offset; In the time that fastening devices 1 is arranged on doorframe 6, the one end and the door leaf 7 that prize the body of rod 3 offset.
Set: the spanner body of rod 4 is the first distance away from one end to the distance of rotating shaft 2 of rotating shaft 2, and prizing the body of rod 3 is second distance away from one end to the distance of rotating shaft 2 of rotating shaft 2.In the utility model, the length of the first distance is at least two times of length of second distance.Control stick is arranged in fastening devices 1, and fastening devices 1 is equivalent to fixed support, and control stick forms lever taking fastening devices 1 as fulcrum, and the utility model utilizes lever principle, thereby reaches the object that the less power of employing is opened air door.
The air door of above-mentioned door opening device is installed, in the time opening the door, pulls the spanner body of rod 4 of control stick, make to prize the rolling member 5 sliding opening air doors that the body of rod 3 ends arrange.After door opening, the pressure reduction of air door both sides rapidly disappears, and reduces the resistance that opens the door.
Particularly, prize the body of rod 3 setting vertical with rotating shaft 2; The spanner body of rod 4 setting vertical with rotating shaft 2.Employing vertical stratification designs, and not only can simplify the structure of control stick, can also further reduce the unlatching dynamics while opening air door.
In the present embodiment, control stick is metal control stick, and control stick is integral type structure design.Particularly, control stick is cast iron control stick, or stainless steel control stick.Adopt metal to make control stick, its structural strength is higher.
In an embodiment of the present utility model, rolling member 5 is rolling bearing.
In another embodiment of the present utility model, rolling member 5 is roller.
The utility model also provides a kind of air door, includes doorframe 6 and is articulated with the door leaf 7 on doorframe 6, also includes door opening device described above; Door opening device includes fastening devices 1, control stick and is arranged at the rolling member 5 on control stick; Fastening devices 1 is arranged on doorframe 6 or door leaf 7; Rolling member 5 rolls and contacts with door leaf 7 or doorframe 6.
The air door that the utility model provides, due to above-mentioned door opening device being installed, adopts lever principle to open air door, can reduce dramatically the difficulty of door opening.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a door opening device, for being arranged on the air door in tunnel, is characterized in that, comprising:
Fastening devices (1);
Be arranged at rotationally control stick in described fastening devices, what described control stick included rotating shaft (2) and was divided into described rotating shaft two ends prizes the body of rod (3) and the spanner body of rod (4), the described spanner body of rod is the first distance away from one end to the distance of described rotating shaft of described rotating shaft, the described body of rod that prizes is second distance away from one end of described rotating shaft to the distance of described rotating shaft, and the length of described the first distance is at least two times of length of described second distance;
Described prizing is provided with rolling member (5) on body of rod one end away from described rotating shaft.
2. door opening device according to claim 1, is characterized in that,
Describedly prize that the body of rod is vertical with described rotating shaft to be arranged;
The described spanner body of rod is vertical with described rotating shaft to be arranged.
3. door opening device according to claim 1, is characterized in that,
Described control stick is metal control stick, and described control stick is integral type structure design.
4. according to the door opening device described in claims 1 to 3 any one, it is characterized in that,
Described rolling member is rolling bearing.
5. an air door, includes doorframe and is articulated with the door leaf (7) on described doorframe (6), it is characterized in that,
Also include the door opening device as described in claim 1 to 4 any one;
Described door opening device includes fastening devices, control stick and is arranged at the rolling member on described control stick;
Described fastening devices is arranged on described doorframe or door leaf;
Described rolling member rolls and contacts with described door leaf or doorframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195288.8U CN204002891U (en) | 2014-04-22 | 2014-04-22 | Door opening device and air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195288.8U CN204002891U (en) | 2014-04-22 | 2014-04-22 | Door opening device and air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002891U true CN204002891U (en) | 2014-12-10 |
Family
ID=52042910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420195288.8U Expired - Fee Related CN204002891U (en) | 2014-04-22 | 2014-04-22 | Door opening device and air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204002891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657677A (en) * | 2017-09-06 | 2018-10-16 | 扬州通利冷藏集装箱有限公司 | Chamber door auxiliary opening device and chamber door and container with it |
-
2014
- 2014-04-22 CN CN201420195288.8U patent/CN204002891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657677A (en) * | 2017-09-06 | 2018-10-16 | 扬州通利冷藏集装箱有限公司 | Chamber door auxiliary opening device and chamber door and container with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |