CN217872589U - Fire door is prevented to C level with protection against insects function - Google Patents

Abstract

The utility model discloses a fire door is prevented to C level with protection against insects function, include the door frame, prevent fire door and protection against insects door net through installing with a set of dual hinge one side in the door frame prevents fire door and protection against insects door net and install locking device between and, after locking, prevents fire door and protection against insects door net and can open or close through this dual hinge in step, and when preventing fire door and opening the back through this dual hinge, protection against insects door net can continue to open and close through this dual hinge independently. The utility model discloses a dual hinge and prevent the cooperation of locking device between door and the protection against insects net door, can be so that prevent that fire door and protection against insects net door are opened and close in step, also can make the protection against insects net door open and close alone to satisfy safe requirement, and prevent that fire door and protection against insects net door merge and do not merge easy operation.

Description

Fire door is prevented to C level with protection against insects function

Technical Field

The utility model belongs to the technical field of prevent fire door technique and specifically relates to a fire door is prevented to C level with protection against insects function.

Background

All portholes, windows, openable skylights and all natural ventilators and doors leading to a weather deck all need to be provided with steel wire meshes, the existing conventional design is that insect-proof screen doors are added outside fire doors, but according to the design scheme, one door is opened outwards, the other door is opened inwards, doors on escape routes are opened towards the escape direction, the opening directions of the doors are generally consistent towards the escape direction, the doors leading to the weather deck are generally doors on the escape routes, and when a certain ship needs to meet the two specifications at the same time, the conventional design scheme cannot meet the two requirements at the same time.

Therefore, the C-class fireproof door with the insect prevention function is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire door is prevented to C level with protection against insects function adopts dual hinge and prevents the fire door and prevent the cooperation of the locking device between the protection against insects net door, can be so that prevent fire door and protection against insects net door and open in step and close, also can make protection against insects net door open alone and close to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a C-level fireproof door with an insect prevention function comprises a door frame, a fireproof door and an insect prevention net door, wherein the fireproof door and the insect prevention net door are installed on one side in the door frame through a same group of double hinges, a locking device is installed between the fireproof door and the insect prevention net door, after the fireproof door and the insect prevention net door are locked, the fireproof door and the insect prevention net door can be synchronously opened or closed through the double hinges, and after the fireproof door is opened through the double hinges, the insect prevention net door can be continuously and independently opened and closed through the double hinges,

the double hinge is composed of a main hinge and a sub hinge, one movable panel of the main hinge is fixed on the door frame, the other movable panel of the main hinge is connected with the fireproof door, the sub hinge is arranged on the panel connected with the fireproof door through one panel of the sub hinge, and the other movable panel of the sub hinge is connected with the insect-proof net door.

In a further embodiment, the two sides of the fireproof door are provided with door handles, and one side of the insect-proof net door, which faces the fireproof door, is provided with a handle reserved opening.

In a further embodiment, a slidable convex sliding cover is installed on a surface of the insect screen door facing away from the fire door, and the other opening of the handle reserved opening is shielded by the convex sliding cover.

In a further embodiment, two T-shaped grooves are arranged in the insect-proof net door, T-shaped strips slide in the T-shaped grooves, and the T-shaped strips are connected with the convex sliding cover.

In a further embodiment, the locking device is two magnetic strips installed on the facing surfaces of the fire door and the bug net door, but is not limited to this.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a dual hinge and prevent fire door and protection against insects net door between locking device's cooperation can be so that prevent fire door and protection against insects net door and open and close in step, also can make protection against insects net door open and close alone to satisfy safe requirement, and prevent fire door and protection against insects net door merge and do not merge easy operation.

Drawings

Fig. 1 is a schematic structural view of a C-class fireproof door with an insect prevention function;

fig. 2 is a schematic structural view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of embodiment 2 of the present invention;

fig. 4 is a front view of the double hinge of the present invention;

FIG. 5 is a schematic top view of the dual hinge of the present invention;

fig. 6 is a schematic view of the installation structure of the medium convex sliding cover and the insect-proof net door of the present invention.

In the figure: 1. a door frame; 2. a double hinge; 3. a fire door; 4. a vermin proof mesh door; 5. a locking device; 6. a door handle; 7. a handle reserved opening; 8. a male sliding cover; 9. a door knob; 81. t-shaped groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a class C fire door with insect prevention function mainly comprises a door frame 1, a fire door 3 and an insect prevention net door 4, wherein the fire door 3 and the insect prevention net door 4 are installed at one side in the door frame 1 through a same set of double hinges 2, a locking device 5 is installed between the fire door 3 and the insect prevention net door 4, after locking, the fire door 3 and the insect prevention net door 4 can be synchronously opened or closed through the double hinges 2, and after the fire door 3 is opened through the double hinges 2, the insect prevention net door 4 can be continuously opened and closed independently through the double hinges 2, and when the fire door 3 and the insect prevention net door 4 are locked together, the fire door 3 enters a hand reserved opening 7 of the insect prevention net door 4 facing one side of the fire door 3 towards a door handle 6 on the insect prevention net door 4, so as to prevent the door handle 6 from blocking.

Adopt dual hinge 2 and prevent the cooperation of locking device 5 between fire door 3 and the protection against insects net door 4, can be so that prevent fire door 3 and protection against insects net door 4 and open and close in step, also can make protection against insects net door 4 open alone and close, prevent the fire door 3 and prevent against insects net door 4 and merge the back, prevent that another opening of mouth 7 can be controlled from preventing the door handle 6 of fire door 3 to the hand on the protection against insects net door 4, and after preventing fire door 3 and protection against insects net door 4 and separate, another opening that the mouth 7 was reserved to the hand is sheltered from by gliding protruding type sliding closure 8, this protruding type sliding closure 8 also can be as the handle of protection against insects net door 4, make things convenient for opening and closing of protection against insects net door 4.

Referring to fig. 4-5, specifically, the double hinge 2 is composed of a main hinge 21 and a sub hinge 22, one movable panel of the main hinge 21 is fixed on the doorframe 1, the back surface of the other movable panel is connected to the fire door 3, the sub hinge 22 is installed on the panel connected to the main hinge 21 and the fire door 3 through one panel, and the front surface (front surface) of the other movable panel of the sub hinge 22 is connected to the anti-insect net door 4, when the fire door 3 and the anti-insect net door 4 are combined, the two are opened and closed together by the main hinge 21, and after the two are separated, the fire door 3 can be opened and closed only by the main hinge 21, and the anti-insect net door 4 is opened and closed by the sub hinge 22.

Referring to fig. 6, specifically, two T-shaped grooves 81 are provided in the anti-insect net door 4, a T-shaped strip slides in the T-shaped groove 81, and the T-shaped strip is connected to the convex sliding cover 8, so that the convex sliding cover 8 can slide on the anti-insect net door 4 when pulled, so as to control whether to shield the handle reserved opening 7.

Referring to fig. 1, specifically, the locking device 5 is two magnetic strips installed on the opposite surfaces of the fireproof door 3 and the insect-proof net door 4, but the locking device is not limited to the two magnetic strips, the structure of the magnetic strips is simpler, the cost is lower, after the two magnetic strips are combined, the distance can be smaller, the door body can be pulled only by utilizing the opening and closing aspects of the magnetic strips, and the operation is simple.

Example 1

Referring to fig. 1-2, when the ship operates in winter or in cold areas, the insect-proof net door 4 and the fire door 4 are combined through the locking device 5 to realize simultaneous opening and closing, which is convenient for the actual use of the crew.

Example 2

Referring to fig. 3, when the fire door 3 is fixed on the door knob 9 in a season or in a tropical operation, the fire door 3 is kept normally open, and the insect-proof net door 4 is independently opened, so that mosquito prevention and ventilation are realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a fire door is prevented to C level with protection against insects function, includes door frame (1), prevents fire door (3) and protection against insects door net (4), its characterized in that: the fireproof door (3) and the insect-proof net door (4) are arranged on one side in the door frame (1) through the same group of double hinges (2), the fireproof door (3) and the insect-proof net door (4) are provided with locking devices (5) between the fireproof door (3) and the insect-proof net door (4), after locking, the fireproof door (3) and the insect-proof net door (4) can be synchronously opened or closed through the double hinges (2), and when the fireproof door (3) is opened through the double hinges (2), the insect-proof net door (4) can be continuously and independently opened and closed through the double hinges (2),

the double-hinge (2) is composed of a main hinge (21) and a sub-hinge (22), a movable panel of the main hinge (21) is fixed on the door frame (1), the other movable panel is connected with the fireproof door (3), the sub-hinge (22) is installed on a panel connected with the main hinge (21) and the fireproof door (3) through one panel, and the other movable panel of the sub-hinge (22) is connected with the insect-proof net door (4).

2. The fire rated door of claim 1 with insect protected function, further comprising: door handles (6) are installed on two sides of the fireproof door (3), and a handle reserved opening (7) is formed in one side, facing the fireproof door (3), of the insect-proof net door (4).

3. The fire rated door of claim 2 with protection against insects function of a class C, characterized in that: the one side that protection against insects net door (4) deviates from preventing fire door (3) is installed slidable protruding type sliding closure (8), and another opening of mouth (7) is reserved to this protruding type sliding closure (8) shelters from the handle.

4. The fire door is prevented to C level with protection against insects function of claim 3, characterized in that: two T-shaped grooves (81) are arranged in the insect prevention net door (4), T-shaped strips slide in the T-shaped grooves (81), and the T-shaped strips are connected with the convex sliding cover (8).

5. The fire rated door of claim 1 with insect protected function, further comprising: the locking device (5) is two magnetic stripes arranged on the opposite surfaces of the fireproof door (3) and the insect-proof net door (4).

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