CN211081431U - Escape manhole cover opening and closing system and tunnel escape manhole cover - Google Patents
Escape manhole cover opening and closing system and tunnel escape manhole cover Download PDFInfo
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- CN211081431U CN211081431U CN201922005530.6U CN201922005530U CN211081431U CN 211081431 U CN211081431 U CN 211081431U CN 201922005530 U CN201922005530 U CN 201922005530U CN 211081431 U CN211081431 U CN 211081431U
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- cover plate
- opening
- closing system
- manhole cover
- escape
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Abstract
The utility model discloses an escape well lid opening and closing system and a tunnel escape well lid, which comprises a bottom frame, a cover plate and a power-assisted component, wherein one side of the cover plate is axially connected on the bottom frame, the power-assisted component can open the cover plate on one side, a lock is arranged between the cover plate and the bottom frame and positioned at the inner side of the cover plate, and an unlocking component capable of opening the lock is arranged at the outer side of the escape well lid; when the lock locks the cover plate and the bottom frame, the power assisting part is limited at the inner side of the cover plate; when the lockset is opened, the power assisting component opens the cover plate; the cover plate can be opened on the inner side and the outer side of the escape well cover in the tunnel, the unlocking mode of the escape well cover is enriched, the structure is relatively simple, and the cover plate is opened inside and outside the escape well cover by a user.
Description
Technical Field
The utility model relates to a tunnel well of fleing especially relates to a tunnel well lid that flees open and close system.
Background
The tunnel escape well is communicated with the outside through an underground passage for people to escape when an emergency accident occurs in a tunnel, and the emergency accident is a fire, a flood, an explosion and the like.
The tunnel escape well lid mounting structure and the tunnel escape well with the Chinese application publication number of CN108104173A comprise a well lid, wherein a counterweight system and a locking system are connected on the well lid, the counterweight system always provides an acting force for opening the well lid, and the locking system is used for overcoming the acting force provided by the counterweight system and enabling the well lid to be in a closed state; when the locking system is released, the force provided by the counterweight system opens the manhole cover.
A tunnel escape well lid installation structure with an authorization notice number of CN208966365U and a tunnel escape well realize the opening and closing of a well lid by changing the weight of a counterweight system.
The escape manhole cover opening and closing system is complex in structure, large in engineering quantity and limited in opening mode, and can be opened only on one side (inner side) of the escape manhole cover in the tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a well lid system of opening and close flees that the inside and outside all can open further provides a tunnel well lid of fleing that has above-mentioned well lid system of opening and close of fleing.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the escape well lid opening and closing system is characterized by comprising a bottom frame, a cover plate and a power assisting component, wherein one side of the cover plate is axially connected to the bottom frame, the power assisting component can open the cover plate on one side, a lock is arranged between the cover plate and the bottom frame and positioned on the inner side of the cover plate, and an unlocking component capable of opening the lock is arranged on the outer side of the escape well lid; when the lock locks the cover plate and the bottom frame, the power assisting part is limited at the inner side of the cover plate; when the lockset is opened, the power assisting component opens the cover plate.
The utility model discloses further preferred scheme does: the lock comprises a lock pin, and the unlocking component is connected with the lock pin through a traction component so as to unlock the lock.
The utility model discloses further preferred scheme does: the unlocking component is a manual control box.
The utility model discloses further preferred scheme does: the cover plate is provided with a damping component, and the damping component is used for buffering the opening speed of the cover plate.
The utility model discloses further preferred scheme does: and the boosting part or the damping part is of a spring support rod structure.
The utility model discloses further preferred scheme does: the front end of the boosting component or the damping component is connected to the inner side of the cover plate, and the rear end of the boosting component or the damping component is connected to the bottom frame.
The utility model discloses further preferred scheme does: the outer side of the cover plate is rotatably connected with a force arm rod which can be received in the cover plate groove.
The utility model discloses further preferred scheme does: when the arm-force lever is received, the outer surface of the arm-force lever is basically flush with the outer surface of the cover plate.
The utility model discloses further preferred scheme does: the force arm rod is coupled on the cover plate through a rotating shaft which can move up and down.
The utility model discloses another utility model theme does: tunnel well lid of fleing includes as above-mentioned well lid system of opening and close of fleing.
Compared with the prior art, the escape manhole cover has the advantages that the lockset is arranged between the cover plate and the bottom frame and is positioned at the inner side of the cover plate, and the outer side of the escape manhole cover is provided with the unlocking part which can open the lockset; the cover plate can be opened on the inner side and the outer side of the escape well cover in the tunnel, the unlocking mode of the escape well cover is enriched, the structure is relatively simple, and the cover plate is opened inside and outside the escape well cover by a user.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a first schematic view of an escape manhole cover opening and closing system when opened;
FIG. 2 is a schematic diagram II of the opening and closing system of the escape manhole cover when the escape manhole cover is opened;
FIG. 3 is a schematic view of the escape manhole cover opening and closing system when closed;
FIG. 4 is a schematic structural view of a power assisting unit according to the present invention;
FIG. 5 is a schematic view of a push rod on the booster component;
FIG. 6 is a schematic view of the overall structure of the lock of the present invention;
FIG. 7 is a schematic view of the overall structure of the lock of the present invention;
FIG. 8 is a schematic view of the arm of force received in the recess;
FIG. 9 is a schematic view of the arm of force lever raised upwardly to a certain height;
FIG. 10 is a schematic view of the force arm lever on the cover plate rotated outward;
fig. 11 is a schematic view of the overall structure of the middle arm-force lever of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but 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.
As shown in fig. 1 to 3, the tunnel escape manhole cover 200 includes an escape manhole cover opening and closing system 100, and the tunnel escape manhole cover 200 is communicated with an escape passage.
The escape manhole cover opening and closing system 100 comprises a bottom frame 10, a cover plate 20 and a power assisting component 30, wherein one side of the cover plate 20 is connected to the bottom frame 10 in a shaft mode, the power assisting component 30 can open one side of the cover plate 20, a lock 40 is arranged between the cover plate 20 and the bottom frame 10, the lock 40 is located on the inner side of the cover plate 20, and an unlocking component 50 capable of opening the lock 40 is arranged on the outer side of the escape manhole cover; when the lock 40 locks the cover plate 20 and the base frame 10, the power assisting part 30 is limited at the inner side of the cover plate 20; when the lock 40 is opened, the power assisting part 30 opens the cover plate 20.
The inner side and the outer side of the tunnel escape well lid can be opened with the cover plate 20, the unlocking mode of the escape well lid is enriched, the structure is relatively simple, and the cover plate 20 is opened by a user conveniently inside and outside the escape well lid.
The power assisting part 30 applies force on the cover plate 20 to prop the cover plate 20 open, and the cover plate 20 is coupled to one side of the bottom frame 10 to open and close the escape passage in a left-right turning manner. In a conventional state, the cover plate 20 is in a locked state under the action of the lock 40, when the escape passage needs to be used, a user can unlock the cover plate 20 by poking the lock 40 at the inner side of the cover plate 20, and can also unlock the lock 40 by the unlocking part 50 arranged on the wall of the tunnel, so that the cover plate opening mode of the escape system is enriched.
When an emergency occurs, it is convenient for the first-aid worker to open the cover plate 20 from the inside, and the evacuee can directly open the cover plate 20 through the unlocking member 50 installed in the tunnel.
Specifically, as shown in fig. 6 and 7, the lock 40 includes a lock pin 41, and the unlocking member 50 is coupled with the lock pin 41 through the pulling member S to open the lock 40. More specifically, the lock 40 further includes a first spring 42 and a latch 43, one end of the first spring 42 is connected to the lock pin 41, and the other end of the first spring 42 is connected to the latch 43.
In actual use, since the first spring 42 is in a compressed state, the latch 43 extends outward under the elastic force of the first spring 42 and is inserted into the through hole at the corresponding position of the cover plate 20 to lock the cover plate 20. When it is desired to open the cover 20, an inward force is applied to the latch 41 to pull the latch 43 out of the through hole, thereby opening the cover 20.
Preferably, a bar handle 44 is installed at the outer end of the locking pin 41, and the outer end of the bar handle 44 has a spherical structure f. The lever handle 44 can facilitate the user to toggle the lock pin 41 up and down.
The unlocking component 50 is a manual control box B, and the traction component S is a steel wire rope a. A winder is installed in the manual control box B, and the steel wire rope a is wound on the winder. The traction part S led out of the manual control box B is connected with a lock pin 41 on a lock arranged on the inner side of the cover plate 20, and a pull rod B on the manual control box B is pulled to pull the steel wire rope a back, so that the lock pin 41 moves outwards, and then the cover plate 20 is opened.
Preferably, a through groove h extending along the length direction of the box shell is formed in the box shell of the manual control box B, and the pull rod B can rotate up and down along the through groove h.
An installation frame H is installed outside the manual control box B, during actual installation, the installation frame H is installed on the inner wall of the tunnel at first, then the manual control box B is installed in the installation frame H, and the installation frame H plays a role in protecting the manual control box B.
More preferably, the length of the steel wire rope a can be set according to the distance between the manual control box B and the tunnel escape manhole cover, as long as the steel wire rope a can pull the lock pin 41 inwards by pulling the pull rod B.
The front end of the booster 30 or the damper 60 is coupled to the inside of the cover plate 20, and the rear end of the booster 30 or the damper 60 is coupled to the base frame 10.
The cover plate 20 is provided with a damping member 60, and the damping member 60 is used for buffering the opening speed of the cover plate 20. Specifically, the method comprises the following steps:
either the boost component 30 or the damping component 60 is a spring strut structure. As shown in fig. 4 and 5, the power assisting element 30 of the present embodiment is exemplified by a power assisting element 30, the power assisting element 30 having a rod-shaped structure includes a push rod 31, a second spring 32 and a tubular housing 33, one end of the second spring 32 is connected to the inner end of the push rod 31, the other end is fixed inside the bottom end of the tubular housing 33, and the push rod 31 can move up and down in the tubular housing 33 under the action of the second spring 32.
In the actual use process, the outer end of the push rod 31 is connected with the cover plate 20, and the outer end of the tubular shell 33 is connected with the bottom frame 10; since the second spring 32 is in a compressed state, the push rod 31 can move outwards under the action of the elastic force to push the cover plate 20 to expand outwards. When the cover plate 20 needs to be closed, a certain acting force is applied to the outer side of the cover plate 20, and then the cover plate 20 can be closed.
In specific applications, the internal structures of the damping component 60 and the power assisting component 30 are substantially the same, and the working principles are basically the same, except that the elastic force ranges of the springs arranged in the damping component 60 and the power assisting component 30 are different; when the push rod 31 of the power assisting element 30 moves outward under the action of the elastic force, the damping element 60 applies an inward closing damping force to the cover 20 to slow down the outward opening speed of the cover 20.
Preferably, in the actual installation process, the booster component 30 may be arranged in parallel, and the damping components 60 are installed at two side positions of the booster component 30, and the number of the damping components may also be installed according to the actual requirement.
As shown in fig. 8-11, a lever 70 is rotatably coupled to the outside of the cover plate 20, and the lever 70 is received in a groove 80 of the cover plate 20.
Preferably, when the arm of force 70 is stowed, the outer surface of the arm of force 70 is substantially flush with the outer surface of the cover plate 20.
The arm lever 70 is provided with an axis connection hole 72, and the arm lever 70 is connected to the cover plate 20 through the axis connection hole 72 via a vertically movable axis 71. The arm lever 70 can be horizontally rotated with respect to the rotation shaft 71, and when it is required to open the cover plate 20, the arm lever 70 is rotated outward, and then the arm lever 70 is lifted upward to open the cover plate 20.
When not in use, the arm 70 is received in the recess 80 and when use is required, the arm 70 can be lifted a distance upwards and then rotated relative to the shaft 71.
It is preferable that arm levers 70 be installed at both left and right sides of the outer surface of the cover plate 20 so that a user can lift the cover plate 20 more stably and conveniently.
A lock is arranged between the cover plate 10 and the bottom frame 10, the lock 40 is positioned at the inner side of the cover plate 20, and an unlocking component 50 capable of unlocking the lock 40 is arranged at the outer side of the escape manhole cover; the cover plate can be opened on the inner side and the outer side of the escape well cover in the tunnel, the unlocking mode of the escape well cover is enriched, the structure is relatively simple, and the cover plate is opened inside and outside the escape well cover by a user.
The terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is right above the utility model provides a well lid system and tunnel well lid of fleing is opened and close has carried out detailed introduction, and it is right to have used specific individual example in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model relates to a core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The escape well lid opening and closing system is characterized by comprising a bottom frame, a cover plate and a power assisting component, wherein one side of the cover plate is axially connected to the bottom frame, the power assisting component can open the cover plate on one side, a lock is arranged between the cover plate and the bottom frame and positioned on the inner side of the cover plate, and an unlocking component capable of opening the lock is arranged on the outer side of the escape well lid; when the lock locks the cover plate and the bottom frame, the power assisting part is limited at the inner side of the cover plate; when the lockset is opened, the power assisting component opens the cover plate.
2. The manhole cover opening and closing system of claim 1, wherein the locking device includes a locking pin, and the unlocking member is coupled to the locking pin through a pulling member to unlock the locking device.
3. The manhole cover opening and closing system of claim 1, wherein the unlocking member is a manual control box.
4. The manhole cover opening and closing system as claimed in claim 1, wherein the cover plate is provided with a damping member for damping an opening speed of the cover plate.
5. The manhole cover opening and closing system of claim 4, wherein the boosting component or the damping component is of a spring support rod structure.
6. The manhole cover opening and closing system of claim 5, wherein the front end of the boosting member or the damping member is coupled to the inner side of the cover plate, and the rear end of the boosting member or the damping member is coupled to the bottom frame.
7. The manhole cover opening and closing system as claimed in claim 1, wherein a lever is rotatably coupled to an outer side of the cover plate, and the lever is received in the groove of the cover plate.
8. The manhole cover opening and closing system of claim 7, wherein when the arm-of-force lever is received, an outer surface of the arm-of-force lever is substantially flush with an outer surface of the cover plate.
9. The manhole cover opening and closing system as claimed in claim 7, wherein the arm lever is coupled to the cover plate via a shaft capable of moving up and down.
10. A tunnel escape manhole cover, characterized in that it comprises an escape manhole cover opening and closing system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005530.6U CN211081431U (en) | 2019-11-19 | 2019-11-19 | Escape manhole cover opening and closing system and tunnel escape manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005530.6U CN211081431U (en) | 2019-11-19 | 2019-11-19 | Escape manhole cover opening and closing system and tunnel escape manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081431U true CN211081431U (en) | 2020-07-24 |
Family
ID=71645648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922005530.6U Active CN211081431U (en) | 2019-11-19 | 2019-11-19 | Escape manhole cover opening and closing system and tunnel escape manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211081431U (en) |
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2019
- 2019-11-19 CN CN201922005530.6U patent/CN211081431U/en active Active
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