CN217501400U - Automatic opening and closing mechanism for tunnel airtight door - Google Patents
Automatic opening and closing mechanism for tunnel airtight door Download PDFInfo
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- CN217501400U CN217501400U CN202221109236.5U CN202221109236U CN217501400U CN 217501400 U CN217501400 U CN 217501400U CN 202221109236 U CN202221109236 U CN 202221109236U CN 217501400 U CN217501400 U CN 217501400U
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- hand wheel
- door
- door leaf
- telescopic rod
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Abstract
The utility model belongs to the technical field of tunnel airtight door, a tunnel airtight door automatic switch mechanism is related to, including airtight door body and hand wheel assembly, airtight door body includes door leaf and door frame, the hand wheel assembly includes hand wheel and drive mechanism, the door leaf drives it through door leaf actuating mechanism and opens the door, closes the door; the hand wheel passes through its reciprocating rotation of hand wheel actuating mechanism drive, hand wheel actuating mechanism includes driving element and actuating system, and driving element passes through the actuating system drive the reciprocating rotation of hand wheel, the utility model provides a tunnel airtight door automatic switch mechanism can accomplish the switch of door leaf automatically, replaces artifical manual opening, closes.
Description
Technical Field
The utility model belongs to the technical field of the tunnel airtight door, in particular to tunnel airtight door automatic switch mechanism.
Background
At present, most of tunnel airtight doors are opened manually, hand wheel assemblies of partial airtight doors are opened through an electric mechanism, however, automatic door leaf opening mechanisms are rarely arranged, manual door leaf opening and closing are further needed, and the existing hand wheel electric mechanism is complex in structure and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tunnel airtight door automatic switch mechanism can solve the problem that points out among the background art.
An automatic opening and closing mechanism of a tunnel airtight door comprises an airtight door body and a hand wheel assembly, wherein the airtight door body comprises a door leaf and a door frame, the hand wheel assembly comprises a hand wheel and a transmission mechanism, and the door leaf is driven to open and close by a door leaf driving mechanism; the hand wheel drives the hand wheel to rotate in a reciprocating mode through a hand wheel driving mechanism, the hand wheel driving mechanism comprises a driving element and a driving system, and the driving element drives the hand wheel to rotate in a reciprocating mode through the driving system.
Preferably, the driving element is a speed reduction motor, and the driving system is a chain transmission system.
Preferably, the speed reduction motor is a speed reduction stepping motor, an output end of the speed reduction stepping motor is provided with a driving chain wheel, a hand wheel is provided with a driven chain wheel, and a transmission chain is arranged between the driving chain wheel and the driven chain wheel.
Preferably, the door leaf driving mechanism comprises a driving telescopic rod, one end of the driving telescopic rod is hinged to the door leaf, and the other end of the driving telescopic rod is hinged to the corresponding position outside the door leaf.
Preferably, the driving telescopic rod is an electric telescopic rod or an air cylinder or an oil cylinder, one end of the driving telescopic rod is connected to the door leaf through a first hinged connecting seat, and the other end of the driving telescopic rod is hinged to the door leaf through a second hinged connecting seat.
Preferably, the transmission mechanism is a worm gear transmission mechanism.
The utility model provides a tunnel airtight door automatic switch mechanism can accomplish the switch of door leaf automatically, replaces artifical manual opening, closing.
Drawings
FIG. 1 is a schematic structural view of the present invention,
figure 2 is a schematic front view of the present invention,
figure 3 is an enlarged schematic view of the present invention at a in figure 2,
FIG. 4 is a schematic view of a hand wheel assembly and a hand wheel driving mechanism according to the present invention,
description of the reference numerals:
reference numbers in the figures: a door leaf 11; a hand wheel assembly 2; a hand wheel 21; a transmission mechanism 22; a drive element 31; a drive system 32; a drive sprocket 321; a driven sprocket 322; a drive chain 323; driving the telescopic rod 41; a first hinge connection seat 42; a second hinge connection seat 43; a drive link 5.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
Example 1:
as shown in fig. 1-4, an automatic opening and closing mechanism for a tunnel airtight door provided by an embodiment of the present invention includes an airtight door body and a hand wheel assembly 2, the airtight door body includes a door leaf 11 and a door frame, the hand wheel assembly 2 includes a hand wheel 21 and a transmission mechanism 22, the transmission mechanism 22 adopts the most common worm gear transmission mechanism, the upper and lower ends of the worm gear transmission mechanism are connected with a transmission link 5, the door leaf 11 is locked by the transmission link 5 cooperating with a corresponding mechanism, the structure of the automatic opening and closing mechanism is the prior art and is not described in detail herein,
the door leaf 11 is driven to open and close the door by a door leaf driving mechanism; the handwheel 21 is driven to rotate back and forth by a handwheel driving mechanism, the handwheel driving mechanism comprises a driving element 31 and a driving system 32, and the driving element 31 drives the handwheel 21 to rotate back and forth by the driving system 32.
Specifically, the driving element 31 is a speed reduction motor fixed at a corresponding position of the door leaf 11, the speed reduction motor can be a speed reduction stepping motor, that is, the stepping motor is matched with a speed reducer, the speed reducer can be a right-angle planetary speed reducer, and the stepping motor is adopted, so that under the condition that the stepping motor is not electrified, no torque is output and maintained, and thus the hand wheel 21 is manually rotated, and the door leaf 11 is opened and closed; the driving system 32 is a chain transmission system, specifically, the output end of the speed reducer is provided with a driving sprocket 321, the hand wheel 21 is provided with a driven sprocket 322, and a transmission chain 323 is arranged between the driving sprocket 321 and the driven sprocket 322.
Preferably, the door leaf driving mechanism includes a driving telescopic rod 41, one end of the driving telescopic rod 41 is hinged to the door leaf 11, the other end of the driving telescopic rod is hinged to a corresponding position outside the door leaf 11, for example, the door frame or a nearby wall body, the driving telescopic rod 41 is an electric telescopic rod or an air cylinder or an oil cylinder, one end of the driving telescopic rod is connected to the door leaf 11 through a first hinged connection seat 42, the first hinged connection seat 42 can be embedded in the door leaf 11, the driving telescopic rod is embedded in the door leaf 11 in the production process, any strength damage to the door leaf 11 is not generated, the other end of the driving telescopic rod is hinged to the second hinged connection seat 43, and the second hinged connection seat 43 is fixed to the door frame or the nearby wall body.
The utility model discloses a theory of operation: the driving element 31 and the driving telescopic rod 41 are automatically controlled by a control system, the control system can be a PLC (programmable logic controller) or a single chip microcomputer and the like, the driving element 31 drives the hand wheel 21 to rotate through the driving system 32, the hand wheel 21 drives the transmission mechanism 22 to act, the hand wheel assembly 2 is opened, namely the door leaf 11 can be opened under the action of external force at the moment, then the control system drives the telescopic rod 41 to act to drive the door leaf 11 to open, the driving element 31 and the driving telescopic rod 41 can be arranged through the control system to move in time sequence, a position switch can also be arranged at the hand wheel 21 or the transmission system, when the position switch receives a position signal, the hand wheel assembly 2 is proved to be opened in place, and the control system controls the driving telescopic rod 41 to act;
when the door is closed, the control system drives the telescopic rod 41 to act to drive the door leaf 11 to close, the control system controls the driving element 31 to drive the hand wheel 21 to rotate through the driving system 32, the hand wheel 21 drives the transmission mechanism 22 to act, the hand wheel assembly 2 is closed, the hand wheel assembly can also move in sequence according to time sequence, a position switch can also be arranged on the door leaf 11 or the driving telescopic rod 41, when the position switch receives a position signal, the door leaf 11 is proved to be closed, the control system controls the driving element 31 to act, and the hand wheel assembly 2 is closed.
The following disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel airtight door automatic switch mechanism, includes airtight door body and hand wheel assembly (2), airtight door body includes door leaf (11) and door frame, hand wheel assembly (2) include hand wheel (21) and drive mechanism (22), its characterized in that: the door leaf (11) is driven to open and close the door by a door leaf driving mechanism; the hand wheel (21) is driven to rotate in a reciprocating mode through a hand wheel driving mechanism, the hand wheel driving mechanism comprises a driving element (31) and a driving system (32), and the driving element (31) drives the hand wheel (21) to rotate in a reciprocating mode through the driving system (32).
2. The automatic opening and closing mechanism of a tunnel airtight door as claimed in claim 1, wherein: the driving element (31) is a speed reducing motor, and the driving system (32) is a chain transmission system.
3. The automatic opening and closing mechanism of a tunnel airtight door as claimed in claim 2, wherein: the speed reducing motor is a speed reducing stepping motor, an output end of the speed reducing stepping motor is provided with a driving chain wheel (321), a driven chain wheel (322) is arranged at the hand wheel (21), and a transmission chain (323) is arranged between the driving chain wheel (321) and the driven chain wheel (322).
4. The automatic opening and closing mechanism of a tunnel airtight door as claimed in claim 1, wherein: the door leaf driving mechanism comprises a driving telescopic rod (41), one end of the driving telescopic rod (41) is hinged to the door leaf (11), and the other end of the driving telescopic rod is hinged to the corresponding position outside the door leaf (11).
5. The automatic opening and closing mechanism for the tunnel airtight door as claimed in claim 4, wherein: the driving telescopic rod (41) is an electric telescopic rod or an air cylinder or an oil cylinder, one end of the driving telescopic rod is connected to the door leaf (11) through a first hinged connecting seat (42), and the other end of the driving telescopic rod is hinged to the door leaf through a second hinged connecting seat (43).
6. The automatic opening and closing mechanism of a tunnel airtight door according to any one of claims 1 to 5, wherein: the transmission mechanism (22) is a worm gear transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109236.5U CN217501400U (en) | 2022-05-10 | 2022-05-10 | Automatic opening and closing mechanism for tunnel airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109236.5U CN217501400U (en) | 2022-05-10 | 2022-05-10 | Automatic opening and closing mechanism for tunnel airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217501400U true CN217501400U (en) | 2022-09-27 |
Family
ID=83351010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221109236.5U Active CN217501400U (en) | 2022-05-10 | 2022-05-10 | Automatic opening and closing mechanism for tunnel airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217501400U (en) |
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2022
- 2022-05-10 CN CN202221109236.5U patent/CN217501400U/en active Active
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