CN114592761A

CN114592761A - Door opening mechanism

Info

Publication number: CN114592761A
Application number: CN202210281299.7A
Authority: CN
Inventors: 蒋玥; 陈固胜; 邱群先; 王敏; 高博; 张松伟; 李宣
Original assignee: 713th Research Institute of CSIC
Current assignee: 713th Research Institute of CSIC
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-06-07
Anticipated expiration: 2042-03-22

Abstract

The invention belongs to the technical field of protective box doors, and particularly relates to a door opening mechanism which comprises a protective device body, wherein a door plate is arranged on the side of the protective device body, the protective device body is in clearance fit with the door plate, one side of the door plate is hinged with a connecting rod assembly, a turnover hinge is arranged on the protective device body, one end of the turnover hinge is hinged with the door plate, the other end of the turnover hinge is provided with a lug in a matching way, the lug is arranged at one end, far away from the door plate, of the connecting rod assembly, one end, close to the lug, of the connecting rod assembly is provided with a rotating rod connected with external power, compared with the prior art, the door can be freely opened to 180 degrees by rotating the rotating rod fixed in a box body, can be hidden in the box body when being closed, and is flat in appearance after being closed without a bulge structure.

Description

Door opening mechanism

Technical Field

The invention belongs to the technical field of protective box doors, and particularly relates to a door opening mechanism.

Background

In the design of a protective box body of a project, a door opening mechanism is completely hidden in a body of the box body when in a closed state, and needs to be turned over by 180 degrees when being opened, otherwise, the motion action paths of other parts are interfered. Generally, a box body door with a common hinge is selected, so that a door plate can not be completely opened; or the outer surface of the box body protrudes with a hinge and other structures when the box body is closed. Therefore, it is necessary to design a hinge which can fully open up to 180 degrees and can fully hide the door when closed.

Disclosure of Invention

The invention provides a door opening mechanism, aiming at solving the technical problem that the prior art cannot meet the requirement that a door is completely opened to 180 degrees and a hinge capable of completely hiding the door is closed.

The object of the invention is achieved in the following way: the utility model provides a door opening mechanism, includes the protector body, protector body side sets up the door plant, protector body and door plant clearance fit, and door plant one side articulates link assembly, sets up the upset hinge on the protector body, and the articulated door plant of upset hinge one end, the cooperation of the upset hinge other end sets up the lug that makes the upset hinge can be drawn, and door plant one end is kept away from at link assembly to the lug setting, and link assembly is close to lug one end and sets up the dwang of being connected with external power.

The connecting rod assembly comprises a lower connecting rod, an upper connecting rod, a connecting rod pin shaft and a connecting rod seat, one side of the door plate is connected with the connecting rod seat, the connecting rod seat is hinged with the upper connecting rod through the connecting rod pin shaft, one end of the upper connecting rod is hinged with the lower connecting rod, a convex block is arranged on the lower connecting rod, and a rotating rod connected with external power is arranged at one end, close to the convex block, of the lower connecting rod.

The turnover hinge comprises an outer barrel, a pin shaft, a telescopic rod, a movable rod, a pressure spring and a chain plate, the chain plate is connected with the door plate, the chain plate is hinged to the telescopic rod through the pin shaft, the telescopic rod penetrates through the telescopic rod to be sleeved with the outer barrel, the pressure spring is arranged between the telescopic rod and the outer barrel, the two ends of the chain plate are respectively provided with the telescopic rods, the end parts of the two telescopic rods are connected through the movable rod, one end of the pressure spring is connected with the outer barrel, the other end of the pressure spring is connected with the movable rod, and the outer barrel is fixed on the protection device body.

The lower surface of the bottom of the movable rod is arc-shaped, and the top of the lug is an inclined smooth curved surface.

And one side of the door plate is hinged with two groups of connecting rod assemblies, and the two groups of connecting rod assemblies are respectively connected with the end parts of the rotating rods.

Compared with the prior art, the invention can realize that the door can be freely opened to 180 degrees by rotating the rotating rod fixed in the box body, the door can be hidden in the box body when being closed, the appearance is smooth after being closed, and no convex structure exists. The mechanism is suitable for a hidden structural design which needs the door to be completely opened and keeps the outer surface of the box body smooth when the door is closed, and the invention has the advantages that:

1) the door plate can be opened and closed through automatic control.

2) Adopt can tensile hinge, door plant upset when satisfying the door and body noninterference realize 180 degrees angle upsets.

3) The hinge can be automatically completed when being pulled, and manual interference is not needed. .

Drawings

Fig. 1 is a schematic view of a door opening mechanism in an open state.

Fig. 2 is a schematic view of a closed state of the door opening mechanism.

Fig. 3 is a schematic view of a door opening mechanism.

FIG. 4 is a schematic view of a linkage assembly of a door opening mechanism.

Figure 5 is a schematic view of a flip hinge of a door opening mechanism.

Fig. 6 is a schematic view of a cam of the door opening mechanism.

Fig. 7 is a schematic view of a movable lever of a door opening mechanism.

The device comprises a protection device body 1, a rotating rod 2, a connecting rod assembly 3, a turnover hinge 4, a door panel 5, a lower connecting rod 6, an upper connecting rod 7, a bump 8, a pin shaft 9, a connecting rod seat 10, an outer cylinder 11, a pin shaft 12, a telescopic rod 13, a movable rod 14, a pressure spring 15 and a chain plate 16.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The door opening mechanism comprises a protection device body 1, a door plate 5 is arranged on the side of the protection device body 1, the protection device body 1 is in clearance fit with the door plate 5, one side of the door plate 5 is hinged with a connecting rod assembly 3, a turning hinge 4 is arranged on the protection device body 1, one end of the turning hinge 4 is hinged with the door plate 5, a lug 8 which enables the turning hinge 4 to be lifted is arranged at the other end of the turning hinge 4 in a matched mode, the lug 8 is arranged at one end, far away from the door plate 5, of the connecting rod assembly 3, one end, close to the lug 8, of the connecting rod assembly 3 is provided with a rotating rod 2 connected with external power, and as shown in fig. 1, the door plate 5 can be completely opened to 180 degrees to realize complete turning; the door panel in fig. 2 is in a fully closed state, and the flush of the door panel 5 with the outer surface of the protector body 1 is realized.

Connecting rod assembly 3 one end is fixed at dwang 2, and one end is installed on door plant 5, plays the action of opening the door and the positioning action, connecting rod assembly 3 includes lower connecting rod 6, upper connecting rod 7, connecting rod round pin axle 9 and connecting rod seat 10, and connecting rod seat 10 is connected to 5 one sides of door plant, and connecting rod seat 10 passes through connecting rod round pin axle 9 and articulates upper connecting rod 7, and upper connecting rod 7 one end articulates lower connecting rod 6, sets up lug 8 on lower connecting rod 6, and lower connecting rod 6 is close to the dwang 2 that 8 one end settings of lug and external power are connected.

The turnover hinge 4 comprises an outer cylinder 11, a pin shaft 12, a telescopic rod 13, a movable rod 14, a pressure spring 15 and a chain plate 16, a door panel 5 is connected with the chain plate 16, the chain plate 16 is hinged with the telescopic rod 13 through the pin shaft 12, the telescopic rod 13 is sleeved with the outer cylinder 11 in a penetrating way, the pressure spring 15 is arranged between the telescopic rod 13 and the outer cylinder 11, two ends of the chain plate 16 are respectively provided with the telescopic rods 13, the end parts of the two telescopic rods 13 are connected through the movable rod 14, one end of the pressure spring 15 is connected with the outer cylinder 11, the other end of the pressure spring 15 is connected with the movable rod 14, the outer cylinder 11 is fixed on the protection device body 1, the turnover hinge 4 is pre-embedded on the protection device body 1, the chain plate 16 is installed on the door panel 5, the turnover hinge 4 is pre-embedded on the protection device body 1 through the outer cylinder 11, the pressure spring 12 and the telescopic rod 13 are installed inside the outer cylinder 11, and the two outer cylinders 11 are connected in parallel, the lower movable rod 14 is connected with the upper pin shaft 12, and a chain plate 16 is arranged on the pin shaft 12. The telescopic rod 13 can be lifted upwards under the action of the movable rod 14, and after the lifting is finished, the telescopic rod 13 returns to the initial position through the reaction force of the pressure spring 15.

The lower surface of the bottom of the movable rod 14 is arc-shaped, the top of the convex block 8 is an inclined smooth curved surface, the top of the convex block 8 is an inclined curved surface, namely the top of the convex block 8 is in the overturning process of the door panel 5, in order to limit the lifting height during the overturning angle, the top of the convex block 8 is designed to be inclined, in order to ensure the smooth contact in the moving process, the top of the convex block 8 is an inclined smooth curved surface, the top of the convex block 8 is an inclined curved surface, the lower surface of the movable rod 14 is designed to be a circular arc, and the smooth contact with the convex block 8 in the moving process is ensured.

And one side of the door panel 5 is hinged with two groups of connecting rod assemblies 3, and the two groups of connecting rod assemblies 3 are respectively connected with the end parts of the rotating rods 2.

The working process of the invention is as follows: fig. 3 is a schematic view of the door opening process. In the left drawing of fig. 3, the door panel 5 is in a closed state, and after the external power drives the rotating rod 2 to rotate clockwise, on the one hand, under the linkage of the lower connecting rod 6 and the upper connecting rod 7, the pushing connecting rod seat 10 causes the door panel 5 to turn outwards around the pin 12 of the turning hinge 4. Meanwhile, in the rotation of the lower connecting rod 6, the lug 8 arranged on the upper surface is driven to extrude the movable rod 14 of the turnover hinge 4 to lift upwards, so that the telescopic rod 13 overcomes the pressure spring force 15 to move upwards, namely the rotating center of the door panel 5 moves upwards. When the door panel 5 is turned to 90 degrees, the telescopic rod 13 is completely lifted to the position. When the door panel 5 is further rotated to be fully opened thereafter, the rotation center of the door panel 5 is not changed. The lug 8 is always contacted with the movable rod 14 in the overturning process. The closing process is opposite, and when the door panel is turned to 90 degrees anticlockwise, the rotation center of the door panel 5 is not changed; when the door panel is turned over anticlockwise continuously, the turning center of the door panel 5 moves downwards until reaching a lower limit position under the action of the pressure spring 15 due to the change of the inclined plane of the convex block 8, and the door panel is embedded into the protection device body 1, so that the whole closing process is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a door opening mechanism, including protector body (1), a serial communication port, protector body (1) side sets up door plant (5), protector body (1) and door plant (5) clearance fit, door plant (5) one side articulates link assembly (3), set up upset hinge (4) on protector body (1), the articulated door plant of upset hinge (4) one end (5), upset hinge (4) other end cooperation sets up lug (8) that make upset hinge (4) can be drawn and rise, door plant (5) one end is kept away from in link assembly (3) in lug (8) setting, link assembly (3) are close to lug (8) one end and set up dwang (2) of being connected with external power.

2. The door opening mechanism according to claim 1, wherein the connecting rod assembly (3) comprises a lower connecting rod (6), an upper connecting rod (7), a connecting rod pin (9) and a connecting rod seat (10), one side of the door panel (5) is connected with the connecting rod seat (10), the connecting rod seat (10) is hinged with the upper connecting rod (7) through the connecting rod pin (9), one end of the upper connecting rod (7) is hinged with the lower connecting rod (6), a lug (8) is arranged on the lower connecting rod (6), and a rotating rod (2) connected with external power is arranged at one end of the lower connecting rod (6) close to the lug (8).

3. The door opening mechanism according to claim 2, wherein the turnover hinge (4) comprises an outer cylinder (11), a pin shaft (12), a telescopic rod (13), a movable rod (14), a pressure spring (15) and a chain plate (16), the chain plate (16) is connected with the door panel (5), the chain plate (16) is hinged to the telescopic rod (13) through the pin shaft (12), the telescopic rod (13) is connected with the outer cylinder (11) in a penetrating manner, the pressure spring (15) is arranged between the telescopic rod (13) and the outer cylinder (11), the telescopic rods (13) are respectively arranged at two ends of the chain plate (16), the end parts of the two telescopic rods (13) are connected through the movable rod (14), one end of the pressure spring (15) is connected with the outer cylinder (11), the other end of the pressure spring (15) is connected with the movable rod (14), and the outer cylinder (11) is fixed on the protection device body (1).

4. A door opening mechanism according to claim 3, characterized in that the lower surface of the bottom of the movable rod (14) is arc-shaped, and the top of the projection (8) is an inclined smooth curved surface.

5. A door opening mechanism according to claim 4, characterized in that the door panel (5) is hinged on one side with two sets of connecting rod assemblies (3), and the two sets of connecting rod assemblies (3) are respectively connected with the end parts of the rotating rods (2).