CN214996813U - Connecting passage safety door - Google Patents
Connecting passage safety door Download PDFInfo
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- CN214996813U CN214996813U CN202120858364.9U CN202120858364U CN214996813U CN 214996813 U CN214996813 U CN 214996813U CN 202120858364 U CN202120858364 U CN 202120858364U CN 214996813 U CN214996813 U CN 214996813U
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- gear
- door
- door body
- door frame
- communication channel
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Abstract
The utility model belongs to the technical field of civil engineering, a linkage passageway emergency exit is disclosed, including door frame, the door body, first gear, second gear, stop lever and elastic component. One side of the door body is hinged with the door frame, the first gear is rotatably arranged on the door frame on the side which is not hinged with the door body, the second gear is fixedly arranged on the door body at the position corresponding to the first gear, the stop rod is rotatably arranged on the door frame, and the elastic piece is arranged on the door frame. In the process of closing the door body, the second gear which is fixedly arranged on the door body and cannot rotate relative to the door body is meshed with the first gear which is rotatably arranged on the door frame and drives the first gear to rotate along the first rotating direction, the stop rod is driven to abut against the tooth surface of the first gear by the elastic piece, the first gear is prevented from rotating along the second rotating direction opposite to the first rotating direction, the door body is prevented from being opened, and the door body and the door frame can be locked while the door body is closed.
Description
Technical Field
The utility model relates to a civil engineering technical field especially relates to a junctional passage emergency exit.
Background
In the underground excavation construction process of the rail transit connection channel, if a dangerous accident occurs, the connection channel safety door for construction is immediately closed, so that the accident is prevented from being enlarged. The existing contact channel safety door needs complex operation for locking, the required time for sealing is too long, the contact channel safety door is difficult to play a safety protection role in the construction of the contact channel in the water-rich area due to the fact that the dangerous case occurs in a very short time, and workers are often in a nervous and confused state when the dangerous case occurs, and the contact channel safety door is difficult to accurately lock through complex operation.
Therefore, a need exists for a gateway security gate that solves the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linkage passageway emergency exit can realize the locking of a body and door frame when the door body is closed, expends time weak point, easy operation.
To achieve the purpose, the utility model adopts the following technical proposal:
an linked passageway safety door comprising:
a door frame;
the door body, its one side is hinged with said door frame;
the first gear is rotatably arranged on one side of the door frame, which is not hinged with the door body;
the second gear is fixedly arranged on the door body at a position corresponding to the first gear, and is meshed with the first gear and drives the first gear to rotate along a first rotating direction in the closing process of the door body;
a stop lever rotatably provided on the door frame;
the elastic piece is arranged on the door frame and can drive the stop rod to abut against the tooth surface of the first gear so as to prevent the first gear from rotating along a second rotating direction opposite to the first rotating direction.
Preferably, the door further comprises a support rod rotatably arranged on the door frame, and the support rod can drive the stop rod to be out of contact with the first gear.
Preferably, the rotation axes of the stopper rod and the support rod are parallel to the rotation axis of the first gear.
Preferably, an abutting portion is provided at an end of the stopper rod abutting against the first gear, and the abutting portion is bent toward the first gear.
Preferably, the contact portion is provided with a contact surface, and the contact surface is brought into contact with a tooth surface of the first gear after the door body is closed.
Preferably, one end of the stop rod, which is far away from the abutting portion, is provided with a driving portion, the abutting portion and the driving portion are respectively located on two sides of the rotation axis of the stop rod, and the support rod can abut against the driving portion to drive the stop rod to rotate.
Preferably, the door further comprises a first box body fixed on the door frame and a second box body fixed on the door body, the first gear is arranged in the first box body, part of the first gear is exposed, the rotating axis of the first gear is vertically arranged, and the second gear is arranged in the second box body, part of the second gear is exposed.
Preferably, the first box body is provided with an installation platform, and the elastic piece is fixed on the installation platform.
Preferably, the door panel is fixedly arranged on the outer side of the door body, the periphery of the door panel protrudes out of the periphery of the door body, and the door panel can be fixed on the door frame through a fixing piece.
Preferably, the door further comprises a grouting ball valve which penetrates through the door body and the door panel.
The utility model has the advantages that:
the utility model provides a contact channel emergency exit, including door frame, the door body, first gear, second gear, locking lever and elastic component. One side of the door body is hinged with the door frame, the first gear is rotatably arranged on the door frame on the side which is not hinged with the door body, the second gear is fixedly arranged on the door body at the position corresponding to the first gear, the stop rod is rotatably arranged on the door frame, and the elastic piece is arranged on the door frame. In the process of closing the door body, the second gear which is fixedly arranged on the door body and cannot rotate relative to the door body is meshed with the first gear which is rotatably arranged on the door frame and drives the first gear to rotate along the first rotating direction, the stop rod is driven to abut against the tooth surface of the first gear by the elastic piece, and the first gear is prevented from rotating along the second rotating direction opposite to the first rotating direction, so that the door body is prevented from being opened, the door body and the door frame can be locked when the door body is closed, the time consumption is short, and the operation is simple.
Drawings
Fig. 1 is a schematic structural view of a communication channel safety door provided by an embodiment of the present invention;
fig. 2 is a schematic view of a part of the structure of the communication channel safety door provided by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a stop lever according to an embodiment of the present invention.
In the figure:
100. a communication channel;
11. a door frame; 12. a door body; 13. a first gear; 14. a second gear;
15. a stopper rod; 151. an abutting portion; 1511. an abutting surface; 152. a drive section;
16. an elastic member; 17. A support bar;
18. a first case; 181. An installation table;
19. a second box body; 20. a door panel; 21. grouting ball valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and 2, the present embodiment provides a linked passage safety door including a door frame 11, a door body 12, a first gear 13, a second gear 14, a stopper rod 15, and an elastic member 16. One side of the door body 12 is hinged to the door frame 11. The first gear 13 is rotatably disposed on a side of the doorframe 11 that is not hinged to the door body 12. The second gear 14 is fixedly disposed on the door 12 at a position corresponding to the first gear 13, and in a process of closing the door 12, the second gear 14 is engaged with the first gear 13 and drives the first gear 13 to rotate along a first rotation direction. The stopping rod 15 is rotatably provided on the doorframe 11. An elastic member 16 is disposed on the doorframe 11, and the elastic member 16 can drive the stop lever 15 to abut against the tooth surface of the first gear 13 to prevent the first gear 13 from rotating in a second rotation direction opposite to the first rotation direction.
In the contact passage safety door provided by the embodiment, in the process of closing the door body 12, the second gear 14 which is fixedly arranged on the door body 12 and cannot rotate relative to the door body 12 is meshed with the first gear 13 which is rotatably arranged on the door frame 11 and drives the first gear 13 to rotate along the first direction, the elastic piece 16 arranged on the door frame 11 drives the stop rod 15 to be abutted to the tooth surface of the first gear 13, and the first gear 13 is prevented from rotating along the second rotation direction opposite to the first rotation direction, so that the door body 12 is prevented from being opened, the door body 12 and the door frame 11 can be locked while the door body 12 is closed, time is saved, a worker can be ensured to successfully lock the contact passage safety door in a nervous and disorderly state when an emergency happens, time consumption is short, and operation is simple.
Optionally, as shown in fig. 2, the emergency exit of the communication channel in this embodiment further includes a support rod 17 rotatably disposed on the door frame 11, and the support rod 17 can drive the stop rod 15 out of contact with the first gear 13. Specifically, in this embodiment, one end of the supporting rod 17 is rotatably connected to the first box 18, the rotation axis of the supporting rod is parallel to the rotation axis of the first gear 13, the other end of the supporting rod is provided with a handle parallel to the rotation axis of the supporting rod 17, the handle extends out of the first box 18, and the supporting rod 17 can be conveniently driven to abut against or separate from the stop rod 15 by pulling the handle.
Alternatively, as shown in fig. 2, one end of the stopper rod 15 abutting against the first gear 13 is provided with an abutting portion 151, and the abutting portion 151 is bent toward the first gear 13. By the abutting portion 151 being bent toward the first gear 13, the abutting portion 151 is facilitated to extend between two teeth of the first gear 13 to abut against a tooth surface of one of the teeth.
Alternatively, as shown in fig. 3, the contact portion 151 is provided with a contact surface 1511, and the contact surface 1511 is brought into contact with the tooth surface of the first gear 13 after the door body 12 is closed. By providing the abutting surface 1511, when the abutting portion 151 abuts against the gear teeth of the first gear 13, the abutting surface 1511 abuts against the gear surface of the first gear 13, so that the stop rod 15 and the gear surface of the first gear 13 are in surface contact, the pressure of the stop rod 15 and the gear surface of the first gear 13 is reduced, and the gear surface of the stop rod 15 or the gear surface of the first gear 13 is prevented from being worn.
Alternatively, as shown in fig. 2, one end of the stopping rod 15 away from the abutting portion 151 is provided with a driving portion 152, the abutting portion 151 and the driving portion 152 are respectively located at two sides of the rotation axis of the stopping rod 15, and the supporting rod 17 can abut against the driving portion 152 to drive the stopping rod 15 to rotate. The driving part 152 and the abutting part 151 are respectively arranged at two sides of the rotation axis of the stop rod 15, so that the support rod 17 can be conveniently installed, and the support rod 17 is prevented from interfering with the first gear 13 or the elastic part 16 in the rotation process. The stop lever 15 is parallel to the rotational axis of the first gear 13.
Optionally, as shown in fig. 1 and fig. 2, the contact passage security door in this embodiment further includes a first box 18 fixed on the door frame 11 and a second box 19 fixed on the door body 12, the first gear 13 is disposed in the first box 18 and partially exposed, a rotation axis of the first gear 13 is vertically disposed, and the second gear 14 is disposed in the second box 19 and partially exposed.
Alternatively, as shown in fig. 2, the first container 18 is provided with a mounting base 181, the elastic member 16 is fixed to the mounting base 181, and the axis of the elastic member 16 is perpendicular to the rotation axis of the stopper rod 15.
Optionally, as shown in fig. 1, the communication channel safety door in this embodiment further includes a door panel 20, the door panel 20 is fixedly disposed on the outer side of the door body 12, the periphery of the door panel 20 protrudes out of the periphery of the door body 12, and the door panel 20 can be fixed on the door frame 11 by a fixing element. Specifically, in the present embodiment, the door frame 11 is provided with threaded holes at intervals along the circumferential direction thereof, threaded holes are also provided at positions of the periphery of the door panel 20 protruding from the door body 12, the threaded holes on the door panel 20 correspond to the threaded holes on the door frame 11 one by one, and in a severe case, the door panel 20 can be fastened to the door frame 11 by bolts passing through the threaded holes on the door panel 20 and the threaded holes on the door frame 11, so that the door body 12 is further pressed in the door frame 11 through the door panel 20.
Optionally, as shown in fig. 1, the communication channel safety door in this embodiment further includes a grouting ball valve 21, which is disposed through the door body 12 and the door panel 20. By arranging the grouting ball valve 21, grouting can be conveniently performed into the communication channel 100 through the grouting ball valve 21 under the condition that the door body 12 is not opened so as to treat dangerous cases.
The working process is as follows:
when a dangerous case occurs, the worker can prevent the door body 12 from opening, and the door body 12 and the door frame 11 can be locked while the door body 12 is closed. In case of a serious dangerous situation, in order to further ensure that the door 12 and the doorframe 11 are locked firmly, the door panel 20 is fastened to the doorframe 11 by bolts passing through the threaded holes around the door panel 20 and the threaded holes on the doorframe 11, so that the door 12 is further pressed into the doorframe 11 by the door panel 20.
Then, grouting reinforcement is carried out in the communication channel 100 through the grouting ball valve 21 on the door body 12, so that dangerous situations are solved.
After the dangerous case treatment is finished, the supporting rod 17 can be rotated by pulling the handle, so that the supporting rod is abutted to the stop rod 15, the stop rod 15 is driven to rotate in the second rotation direction, the stop rod 15 is separated from the first gear 13 in an abutting mode, the door body 12 can be pulled, the second gear 14 drives the first gear 13 to rotate around the second rotation direction, and the door body 12 is opened. After the door body 12 is opened, the handle is pulled, the supporting rod 17 rotates around the second rotating direction, the supporting rod 17 is separated from the stop rod 15 in a butting mode, the stop rod 15 rotates around the first rotating direction under the action of the elastic piece 16 until the stop rod abuts against the first gear 13, and the contact channel safety door returns to a prepared protection state.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A linked passage safety door, comprising:
a door frame (11);
the door body (12) is hinged with the door frame (11) at one side;
the first gear (13) is rotatably arranged on one side of the door frame (11) which is not hinged with the door body (12);
the second gear (14) is fixedly arranged on the door body (12) at a position corresponding to the first gear (13), and in the closing process of the door body (12), the second gear (14) is meshed with the first gear (13) and drives the first gear (13) to rotate along a first rotating direction;
a stopper lever (15) rotatably provided on the door frame (11);
an elastic member (16) disposed on the door frame (11), wherein the elastic member (16) can urge the stop lever (15) to abut against a tooth surface of the first gear (13) to prevent the first gear (13) from rotating in a second rotational direction opposite to the first rotational direction.
2. The communication channel safety door according to claim 1, characterized in that it further comprises a support bar (17) rotatably mounted on said door frame (11), said support bar (17) being able to force said stop bar (15) out of contact with said first toothed wheel (13).
3. The communication channel safety door according to claim 2, characterized in that the axis of rotation of the stop lever (15) and the support lever (17) are parallel to the axis of rotation of the first gear wheel (13).
4. The communication channel safety door according to claim 3, characterized in that the end of the stop lever (15) abutting against the first gear (13) is provided with an abutting portion (151), the abutting portion (151) being bent toward the first gear (13).
5. The communication channel safety door according to claim 4, wherein the contact portion (151) is provided with a contact surface (1511), and the contact surface (1511) is in contact with a tooth surface of the first gear (13) after the door body (12) is closed.
6. The communication channel safety door according to claim 4, characterized in that one end of the stop rod (15) far away from the abutting part (151) is provided with a driving part (152), the abutting part (151) and the driving part (152) are respectively positioned at two sides of the rotation axis of the stop rod (15), and the support rod (17) can abut against the driving part (152) to drive the stop rod (15) to rotate.
7. The contact passage safety door according to claim 1, further comprising a first box body (18) fixed to the door frame (11) and a second box body (19) fixed to the door body (12), wherein the first gear (13) is disposed in the first box body (18) and partially exposed, a rotation axis of the first gear (13) is vertically disposed, and the second gear (14) is disposed in the second box body (19) and partially exposed.
8. The contact passage security gate according to claim 7, characterized in that the first casing (18) is provided with a mounting base (181), the elastic member (16) being fixed to the mounting base (181).
9. The communication channel safety door as claimed in claim 1, further comprising a door panel (20), wherein the door panel (20) is fixedly arranged on the outer side of the door body (12), the periphery of the door panel (20) protrudes out of the periphery of the door body (12), and the door panel (20) can be fixed on the door frame (11) through a fixing piece.
10. The communication channel safety door according to claim 9, further comprising a grouting ball valve (21) disposed through the door body (12) and the door panel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120858364.9U CN214996813U (en) | 2021-04-25 | 2021-04-25 | Connecting passage safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120858364.9U CN214996813U (en) | 2021-04-25 | 2021-04-25 | Connecting passage safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214996813U true CN214996813U (en) | 2021-12-03 |
Family
ID=79091649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120858364.9U Active CN214996813U (en) | 2021-04-25 | 2021-04-25 | Connecting passage safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214996813U (en) |
-
2021
- 2021-04-25 CN CN202120858364.9U patent/CN214996813U/en active Active
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