CN216305762U - A hidden security door - Google Patents

Abstract

A hidden civil air defense door belongs to the technical field of protective devices, and comprises a base body, a door body, a hinge assembly and a manual mechanism; the mounting end of the hinge assembly is fixedly arranged on the base body, the rotating end of the hinge assembly is fixedly arranged on one side of the door body, the leeward side of the door body is detachably provided with a manual mechanism, the output end of the manual mechanism is in power connection with a transmission assembly, and the transmission assembly is used for driving the hinge assembly to realize rotating motion; the door body opening and closing device is simple in structure, reduces manufacturing difficulty and manufacturing cost, achieves opening and closing of the door body on the base body through the hinge assembly, the manual assembly and the transmission assembly, meanwhile, manually controls opening and closing through the manual assembly, and avoids related hidden dangers existing in the use of electrical equipment.

Description

A hidden security door

technical field

The utility model belongs to the technical field of protective devices, in particular to a concealed air defense door.

Background technique

The civil air defense door is the door of the entrance and exit of the people's protection project. The classification of the civil air defense door is relatively clear. There are ordinary single and double protective airtight doors and airtight doors, living threshold single and double protective airtight doors and airtight doors.

The structure of the existing civil air defense door is complex, and more electrical equipment is used for control at the same time, so there are many hidden dangers in safety.

Utility model content

The purpose of the present utility model is to provide a concealed air defense door to solve the problems raised in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A concealed civil air defense door includes a base body, a door body, a hinge assembly and a manual mechanism; the installation end of the hinge assembly is fixed on the base body, and the rotating end of the hinge assembly is fixed on the door body. On one side, the leeward side of the door body is detachably provided with a manual mechanism, and the output end of the manual mechanism is powered with a transmission assembly, and the transmission assembly is used to drive the hinge assembly to achieve rotational movement.

Compared with the prior art, the technical solution has the following effects:

The utility model has a simple structure, reduces manufacturing difficulty and manufacturing cost, realizes the opening and closing of the door body on the base body through the hinge assembly, the manual assembly and the transmission assembly. hidden danger.

Preferably, the hinge assembly includes a base; the base is fixed on the base, and the end face of the base away from the base is rotatably provided with a connecting seat, and the connecting seat is fixed at one end away from the base on the leeward side of the door body.

Preferably, the manual mechanism includes a handwheel and a reversing assembly; the handwheel is powered with the input end of the reversing assembly, and the output end of the reversing assembly is powered with the input end of the transmission assembly.

Preferably, the transmission assembly includes a rotating shaft and a mounting seat; one end of the rotating shaft is powered with the output end of the reversing assembly, and the other end of the rotating shaft is connected with a gear assembly, and the gear assembly rotates on the mounting seat, and the output end of the gear assembly is powered with a transmission shaft, and one end of the transmission shaft away from the gear assembly is powered with the connection seat.

Preferably, the gear assembly includes a first bevel gear; the back of the first bevel gear is fixed on the end of the rotating shaft away from the reversing assembly, and the tooth surface of the bevel gear is meshed with a second bevel gear. A bevel gear, the second bevel gear is sleeved on the shaft body of the transmission shaft, and the transmission shaft is rotatably connected to the mounting seat through a bearing.

Preferably, the rotating shaft is connected with a bearing seat through a bearing, and the bearing seat is arranged on the leeward side of the door body.

Preferably, the manual assembly further includes a hand wheel, the hand wheel is arranged on the windward surface of the door body, and the hand wheel is powered with the input end of the reversing assembly.

Preferably, the reversing assembly includes a box body, and a worm wheel and a worm screw are hollowly arranged inside the box body, and two ends of the worm screw are respectively fixedly connected to the hand wheel and the hand wheel.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

FIG. 2 is a schematic diagram of a partially enlarged structure at “A” in FIG. 1 .

In the figure: 1-door body; 2-hinged assembly; 20-base; 21-connecting seat; 3-transmission assembly; 30-installation seat; 31-second bevel gear; 32-transmission shaft; 33-first bevel gear ; 34 - rotating shaft; 4 - hand wheel; 5 - reversing assembly; 6 - bearing seat.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. .

Example:

As shown in FIG. 1, a concealed air defense door includes a base body, a door body 1, a hinge assembly 2 and a manual mechanism; the mounting end of the hinge assembly 2 is fixed on the base body, and the hinge assembly 2 rotates The end is fixed on one side of the door body 1, the leeward side of the door body 1 is detachably provided with a manual mechanism, and the output end of the manual mechanism is powered with a transmission assembly 3, and the transmission assembly 3 uses The hinge assembly 2 is used to realize rotational movement; the utility model has a simple structure, reduces manufacturing difficulty and manufacturing cost, and realizes the opening and closing of the door body on the base through the hinge assembly, the manual assembly and the transmission assembly, and at the same time, the manual assembly is used to manually control the opening and closing. closed to avoid the hidden dangers associated with the use of electrical equipment.

In this embodiment, the hinge assembly 2 includes a base 20; the base 20 is fixed on the base, and a connecting seat 21 is rotatably provided on the end surface of the base 20 away from the base. The connecting base The end of 21 away from the base 20 is fixed on the leeward surface of the door body 1; it is worth noting that there is a self-locking function between the connecting seat 21 and the base 20, when the user does not activate the manual assembly, the door body 1 No rotation will occur.

In this embodiment, the manual mechanism includes a handwheel 4 and a reversing assembly 5; the handwheel 4 is powered with the input end of the reversing assembly 5, and the output end of the reversing assembly 5 is powered with The input end of the transmission assembly 3, wherein the manual assembly further includes a hand wheel, the hand wheel is arranged on the windward surface of the door body 1, and the hand wheel is powered with the switch. To the input end of the component 5; its function is to realize that both sides of the door body 1 can be opened, thereby improving the usability of the device.

In addition, in this embodiment, the reversing assembly 5 includes a box body, and a worm wheel and a worm screw are hollow inside the box body, and both ends of the worm screw are fixedly connected to the hand wheel and the hand wheel respectively; The worm gear realizes the change of the direction of rotation.

2, the transmission assembly 3 includes a rotating shaft 34 and a mounting seat 30; one end of the rotating shaft 34 is powered with the output end of the reversing assembly 5, and the other end of the rotating shaft 34 is connected with a gear The gear assembly is rotatably arranged on the mounting seat 30, and the output end of the gear assembly is powered with a transmission shaft 32, and the end of the transmission shaft 32 away from the gear assembly is powered with the connection seat twenty one.

The gear assembly includes a first bevel gear 33 ; the back of the first bevel gear 33 is fixed on the end of the rotating shaft 34 away from the reversing assembly 5 , and the tooth surfaces of the bevel gear 33 mesh with each other. A second bevel gear 31 is connected, the second bevel gear 31 is sleeved on the shaft body of the transmission shaft 32 , and the transmission shaft 32 is rotatably connected to the mounting seat 30 through a bearing.

In order to prevent the rotating shaft 34 from being broken due to force during the rotation process, the rotating shaft 34 is connected with a bearing seat 6 through a bearing, and the bearing seat 6 is arranged on the leeward side of the door body 1 .

In the description of the present invention, it should be understood that the terms "center", "horizontal", "top", "bottom", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "several" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

The present utility model has been described according to the embodiments, and the device can be modified and improved without departing from the present principle. It should be pointed out that all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (8)

1. A concealed air defense door, comprising a base body, and characterized in that: it also comprises a door body (1), a hinge assembly (2) and a manual mechanism; the mounting end of the hinge assembly (2) is fixed on the base body, and the The rotating end of the hinge assembly (2) is fixed on one side of the door body (1), the leeward side of the door body (1) is detachably provided with a manual mechanism, and the output end of the manual mechanism is powered A transmission assembly (3) is connected, and the transmission assembly (3) is used for driving the hinge assembly (2) to realize rotational movement. 2 . The concealed air defense door according to claim 1 , wherein: the hinge assembly ( 2 ) comprises a base ( 20 ); the base ( 20 ) is fixed on the base body, and the A connecting seat (21) is rotatably provided on the end surface of the base (20) away from the base body, and one end of the connecting seat (21) away from the base (20) is fixed on the leeward surface of the door body (1). . 3. A concealed air defense door according to claim 2, characterized in that: the manual mechanism comprises a handwheel (4) and a reversing assembly (5); the handwheel (4) is dynamically connected to the The input end of the reversing assembly (5), the output end of the reversing assembly (5) is dynamically connected to the input end of the transmission assembly (3). 4. A concealed air defense door according to claim 3, characterized in that: the transmission assembly (3) comprises a rotating shaft (34) and a mounting seat (30); one end of the rotating shaft (34) is connected to the The output end of the reversing assembly (5) is connected with power, and the other end of the rotating shaft (34) is connected with a gear assembly, the gear assembly is rotatably arranged on the mounting seat (30), and the gear assembly is A transmission shaft (32) is dynamically connected to the output end of the transmission shaft (32), and one end of the transmission shaft (32) away from the gear assembly is dynamically connected to the connection seat (21). 5. A concealed civil air defense door according to claim 4, characterized in that: the gear assembly comprises a first bevel gear (33); the back of the first bevel gear (33) is fixed on the rotating The shaft (34) is away from one end of the reversing assembly (5), and the tooth surface of the bevel gear (33) is meshed with a second bevel gear (31), and the second bevel gear (31) is sleeved on the On the shaft body of the transmission shaft (32), the transmission shaft (32) is rotatably connected to the mounting seat (30) through a bearing. 6. A concealed security door according to claim 4 or 5, characterized in that: the rotating shaft (34) is connected with a bearing seat (6) through a bearing, and the bearing seat (6) is arranged on the The leeward side of the door body (1). 7. A concealed air defense door according to claim 3, characterized in that: the manual assembly further comprises a hand wheel, the hand wheel is arranged on the windward surface of the door body (1), and The hand wheel is powered with the input end of the reversing assembly (5). 8. A kind of concealed civil air defense door according to claim 4 or 5 or 7, characterized in that: the reversing assembly (5) comprises a box body, and a worm wheel and a worm screw are hollow inside the box body, and the Both ends of the worm are fixedly connected to the hand wheel and the hand wheel respectively.

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