CN215718965U - Protective door adopting heavy double-sided push lever lock - Google Patents
Protective door adopting heavy double-sided push lever lock Download PDFInfo
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- CN215718965U CN215718965U CN202122266467.9U CN202122266467U CN215718965U CN 215718965 U CN215718965 U CN 215718965U CN 202122266467 U CN202122266467 U CN 202122266467U CN 215718965 U CN215718965 U CN 215718965U
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Abstract
The utility model discloses a protective door adopting a heavy double-sided push lever lock, which comprises a door leaf, a lock rod and a push rod, wherein the lock rod is arranged on the door leaf; a lock rod is arranged in the door leaf of the protective door and is vertically arranged in the protective door; the inner side and the outer side of the door leaf are respectively provided with a first push rod and a second push rod which are fixedly connected with the lock rod; independent unlocking systems are respectively formed between the first push rod and the lock rod and between the second push rod and the lock rod, and the lock rods can be independently controlled by pushing the push rods on the two sides. According to the protective door adopting the heavy double-sided push lever lock, the lock rods are arranged inside the protective door, the push rods are distributed on two sides of the protective door, the two push rods can respectively and independently control the lock rods, the heavy double-sided push lever lock is simple to use, the push rods can be pushed to trigger the lock rods, the unlocking process is less in time consumption, the door opening process is simplified, and personnel can escape.
Description
Technical Field
The utility model belongs to the technical field of tunnel protective door structures, and particularly relates to a protective door adopting a heavy double-sided push lever lock.
Background
The existing standard in the tunnel protective door does not clearly define the door opening form of the lock of the protective door, protective door manufacturers and suppliers often pursue the strength of the protective door lock in the protective door designing and manufacturing process, neglect the most important function of the protective door, and facilitate people evacuation and escape. The protective door needs to have the functions of fire prevention, heat insulation and explosion resistance, is an important barrier for people evacuation and escape in a tunnel fire, and is mostly made of carbon steel in the past project.
At present, a conventional protective door generally adopts a rocker or a rotary wheel type lock, has higher strength, is beneficial to locking a door body, and is not beneficial to escape. In the prior art, the protective door is mostly made of carbon steel, and the newly implemented tunnel protective door (Q/CR 700-2019) defines that the door is made of glass fiber reinforced material or steel skeleton and glass fiber reinforced material.
The rocker or wheel type lock in the prior art has the following problems: for the rocker lock, the rocker lock needs to be shaken from top to bottom when being unlocked, which is laborious, and is difficult to open under the condition of poor assembly; and for the rotary wheel type lockset, the rotary wheel type lockset needs to be shaken for more than ten circles or even twenty circles perpendicular to the direction of the door body when being opened, thereby wasting a large amount of escape time.
The door leaf in the prior art is made of common carbon steel or glass fiber reinforced plastic, and has the following problems: firstly, the tunnel is dark and moist, and a protective door made of conventional carbon steel is easy to rust and short in service life. Secondly, during fire, dense smoke and toxic fog are generated when the glass fiber reinforced material or the steel skeleton and the glass fiber reinforced material are combusted, so that the escape sight line in the tunnel environment is reduced, people are not easy to evacuate, and the human health is damaged; the protective door made of carbon steel or stainless steel has high thermal conductivity, so that the temperature of a closed space (such as an emergency rescue station) is quickly increased, and the escape of people is not facilitated.
SUMMERY OF THE UTILITY MODEL
Aiming at one or more of the defects or the improvement requirements in the prior art, the utility model provides the protective door adopting the heavy double-sided push lever lock, the push rod is pushed to trigger the lock rod, the unlocking process consumes less time, the door opening process is simplified, and personnel escape is facilitated.
In order to achieve the purpose, the utility model provides a protective door adopting a heavy double-sided push lever lock, which comprises a door leaf, a lock rod and a push rod, wherein the door leaf is provided with a door leaf opening;
a lock rod is arranged in the door leaf of the protective door and is vertically arranged in the protective door; the inner side and the outer side of the door leaf are respectively provided with a first push rod and a second push rod which are fixedly connected with the lock rod; independent unlocking systems are respectively formed between the first push rod and the lock rod and between the second push rod and the lock rod, and the lock rods can be independently controlled by pushing the push rods on the two sides.
As a further improvement of the utility model, two ends of the lock rod are provided with lock head structures, and the door leaf and the door frame are locked under the combined action of the upper lock head structure and the lower lock head structure.
As a further improvement of the utility model, the door leaf is of a sandwich structure and comprises door leaf panels and door leaf frameworks, the double-layer door leaf panels are fixed through a plurality of door leaf frameworks, and the door leaf panels are respectively embedded with the door leaf frameworks to form a door leaf framework structure.
As a further improvement of the utility model, the door leaf panel is made of basalt.
As a further development of the utility model, the door leaf panels are filled with a filling material.
As a further improvement of the utility model, the filler is a refractory material.
As a further improvement of the utility model, the refractory material is glass fiber concrete, common fiber concrete or perlite material.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) according to the protective door adopting the heavy double-sided push lever lock, the lock rods are arranged inside the protective door, the push rods are distributed on two sides of the protective door, the two push rods can respectively and independently control the lock rods, the heavy double-sided push lever lock is simple to use, the push rods can be pushed to trigger the lock rods, the unlocking process is less in time consumption, the door opening process is simplified, and personnel can escape.
(2) According to the protective door adopting the heavy double-sided push lever lock, the corrosion resistance of the protective door made of basalt material is strong, and the service life is long; smoke generated in fire disaster is less, thus being beneficial to evacuation and escape; the heat conductivity is poor, so that the temperature speed of the closed space is slower, and the rescue time can be prolonged.
(3) According to the protective door adopting the heavy double-sided push lever lock, the filler between the door leaves is preferably made of refractory materials, and the fire resistance and the anti-explosion performance of the door body are further ensured on the basis of the door leaf made of basalt materials.
Drawings
FIG. 1 is a schematic view of an overall structure of a protective door of a heavy double-sided push lever lock according to an embodiment of the present invention;
FIG. 2 is a top view of a protective door of a heavy duty double-sided push lever lock in accordance with an embodiment of the present invention;
fig. 3 is a sectional view of a door leaf of a protective door of a heavy double-sided push lever lock according to an embodiment of the utility model.
In all the figures, the same reference numerals denote the same features, in particular:
1-door leaf, 2-lock bar, 3-first push rod 3, 4-second push rod 4; 101-door panel, 102-door framework and 103-filler.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The utility model provides a protective door of a heavy double-sided push lever lock, which aims to solve the problems that a rocker lock and a rotating wheel type lock in the prior art are difficult to open, and the existing protective door leaf is made of glass fiber reinforced materials, so that the evacuation and escape of people under emergency conditions are not facilitated. Fig. 1 is a schematic view of the overall structure of a protective door of a heavy double-sided push lever lock according to an embodiment of the utility model. FIG. 2 is a top view of a protective door of a heavy duty double-sided push lever lock in accordance with an embodiment of the present invention. Referring to fig. 1 and 2, the protective door of the heavy-duty double-sided push lever lock of the present invention includes a lock rod, a push rod, a door leaf, etc.
Specifically, a lock rod 2 is arranged inside a protective door leaf 1, and the lock rod 2 is vertically arranged inside the protective door leaf; a first push rod 3 and a second push rod 4 are respectively arranged on the inner side and the outer side (the tunnel side and the evacuation channel side) of the protective door leaf 1, and the first push rod 3 and the second push rod 4 are fixedly connected with a lock rod 2 in the door leaf; the push rods and the lock rods form a group of lockset, the first push rod 3 and the lock rod 2 as well as the second push rod 4 and the lock rod 2 form independent unlocking systems respectively, namely the push rods on two sides can independently control the lock rods 2 respectively, and the door can be opened and closed from two sides.
The both ends of locking lever 2 are the tapered end structure, and lock door leaf and door frame are locked to lock head structure combined action from top to bottom, and under the normal condition, locking lever 2 is with door leaf and door frame locking, when no emergency takes place or other needs open the door the condition, when the push rod of arbitrary one side pushed down (perpendicular to door leaf on vertical plane), locking lever 2 triggered through drive mechanism (for example many connecting rod structures) for locking lever 2 is toward middle shrink respectively, the unlocking of tapered end structure. Thereby separating the door leaf from the door frame.
According to the protective door adopting the heavy double-sided push lever lock, the lock rods are arranged inside the protective door, the push rods are distributed on two sides of the protective door, the two push rods can respectively and independently control the lock rods, the heavy double-sided push lever lock is simple to use, the push rods can be pushed to trigger the lock rods, the unlocking process is less in time consumption, the door opening process is simplified, and personnel can escape.
Fig. 3 is a sectional view of a door leaf of a protective door of a heavy double-sided push lever lock according to an embodiment of the utility model. The door 1 comprises door panels 101, door frameworks 102 and fillers 103, wherein the door is of a sandwich structure, the double-layer door panels 101 are fixed through the door frameworks 102, the door panels 101 are embedded with the door frameworks 102 to form a door framework structure, and the door panels 101 are filled through the fillers 103.
Furthermore, the door leaf adopts basalt material, which is an engineering material widely applied in recent years, has strong corrosion resistance, higher tensile strength than glass fiber reinforced plastics, wider application temperature than glass fiber reinforced plastics, far lower heat conduction coefficient than carbon steel and stainless steel, lower heat conduction coefficient than glass fiber reinforced plastics, and difficult generation of toxic smoke and toxic fog during combustion, and solves a plurality of problems caused by adopting glass fiber reinforced materials as door leaf materials in the prior art.
Preferably, the filler 103 is a refractory material, such as glass fiber concrete, ordinary fiber concrete, perlite material, etc., and on the basis of the door leaf made of basalt, the fire resistance and the anti-explosion performance of the door body are further ensured.
According to the protective door adopting the heavy double-sided push lever lock, the corrosion resistance of the protective door made of basalt material is strong, and the service life is long; smoke generated in fire disaster is less, thus being beneficial to evacuation and escape; the heat conductivity is poor, so that the temperature speed of the closed space is slower, and the rescue time can be prolonged.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A protective door adopting a heavy double-sided push lever lock is characterized by comprising a door leaf (1), a lock rod (2) and a push rod;
a lock rod (2) is arranged inside a door leaf (1) of the protective door, and the lock rod (2) is vertically arranged inside the protective door; a first push rod (3) and a second push rod (4) are respectively arranged on the inner side and the outer side of the door leaf (1) and are fixedly connected with the lock rod (2); and independent unlocking systems are respectively formed between the first push rod (3) and the lock rod (2) and between the second push rod (4) and the lock rod (2), and the lock rod (2) can be independently controlled by pushing the push rods on the two sides.
2. The protective door adopting the heavy double-sided push lever lock is characterized in that two ends of the lock rod (2) are provided with lock head structures, and the upper lock head structure and the lower lock head structure work together to lock the door leaf and the door frame.
3. The protective door adopting the heavy double-sided push lever lock according to claim 1 or 2, wherein the door leaf (1) is of a sandwich structure and comprises door leaf panels (101) and door leaf frameworks (102), the double-layered door leaf panels (101) are fixed through the door leaf frameworks (102), and the door leaf panels (101) are respectively embedded with the door leaf frameworks (102) to form a door leaf framework structure.
4. Protective door with heavy double-sided push lever lock according to claim 3, characterized in that the door leaf panel (101) is made of basalt.
5. Guard door with heavy double sided push lever lock according to claim 4 characterized by the fact that the filling between the door leaf panels (101) is done by means of filler (103).
6. Guard door with heavy double-sided push lever lock according to claim 5, characterized by the fact that the filler (103) is refractory.
7. The protective door using a heavy duty double sided push lever lock according to claim 5, wherein said fire resistant material is fiberglass concrete, ordinary fiber concrete or perlite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266467.9U CN215718965U (en) | 2021-09-18 | 2021-09-18 | Protective door adopting heavy double-sided push lever lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266467.9U CN215718965U (en) | 2021-09-18 | 2021-09-18 | Protective door adopting heavy double-sided push lever lock |
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| Publication Number | Publication Date |
|---|---|
| CN215718965U true CN215718965U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122266467.9U Active CN215718965U (en) | 2021-09-18 | 2021-09-18 | Protective door adopting heavy double-sided push lever lock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809824A (en) * | 2022-05-06 | 2022-07-29 | 北京奔驰汽车有限公司 | Heavy door opening and closing method and device, computer equipment and storage medium |
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2021
- 2021-09-18 CN CN202122266467.9U patent/CN215718965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809824A (en) * | 2022-05-06 | 2022-07-29 | 北京奔驰汽车有限公司 | Heavy door opening and closing method and device, computer equipment and storage medium |
| CN114809824B (en) * | 2022-05-06 | 2023-10-03 | 北京奔驰汽车有限公司 | Method and device for opening and closing heavy door, computer equipment and storage medium |
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