CN113323550B

CN113323550B - Mechanical self-closing double-door

Info

Publication number: CN113323550B
Application number: CN202110711930.8A
Authority: CN
Inventors: 汪建华; 李秋霞
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Guangzhou Shipyard International Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-01
Anticipated expiration: 2041-06-25
Also published as: CN113323550A

Abstract

The invention provides a mechanical self-closing double door which comprises a door frame and an opening and closing door, wherein the opening and closing door is installed on the door frame in an openable and closable manner, a self-closing device is installed on the opening and closing door, a bolt and a trigger block are arranged on the edge of the opening and closing door in a sliding manner, a linkage mechanism is arranged on the opening and closing door and connected with the trigger block, the bolt is connected with the linkage mechanism, a bolt hole is formed in the door frame and corresponds to the bolt, the self-closing device pulls the opening and closing door and the door frame to be closed, and the linkage mechanism drives the bolt to move relative to the bolt hole, so that the opening and closing door and the door frame are in a locking or unlocking state.

Description

Mechanical self-closing double-door

Technical Field

The invention relates to the field of self-closing doors, in particular to a mechanical self-closing double-door.

Background

The existing double door is characterized in that one door is an auxiliary door and the other door is a main door. The auxiliary door and the main door are closed through the self-closing device, the auxiliary door is locked with the doorframe by inserting a bolt into a bolt hole in the doorframe, and the bolt inserted into the bolt hole in the doorframe needs manual operation. And the main door realizes the opening and closing functions of the double-opening door through the door lock device.

The prior art can not realize the complete self-closing, needs manual assistance to insert the connecting rod of the auxiliary door into the door frame, and can realize the complete self-closing or can realize the complete locking after the auxiliary door is sucked through magnetic attraction.

Disclosure of Invention

In view of the foregoing, there is a need for a mechanical self-closing double door that does not require manual assistance for closing.

In order to solve the technical problems, the invention provides a mechanical self-closing double door which comprises a door frame, a main door and an auxiliary door, wherein the main door and the auxiliary door are installed on the door frame in a openable and closable manner, self-closing devices are installed on the main door and the auxiliary door, a bolt and a trigger block are arranged on the edge of the auxiliary door in a sliding manner, the trigger block is abutted against the edge of the door frame, a linkage mechanism is arranged on the auxiliary door and connected with the trigger block, the bolt is connected with the linkage mechanism, a bolt hole is formed in the door frame and corresponds to the bolt, the auxiliary door is pulled by the self-closing devices to be closed with the door frame, the bolt is driven by the linkage mechanism to move relative to the bolt hole, so that the auxiliary door and the door frame are in a locking or unlocking state, and the main door is closed with the auxiliary door under the pulling of the self-closing devices.

Preferably, the linkage mechanism comprises a long rod, and the bolt and the trigger block are respectively connected with two tail ends of the long rod.

Preferably, the stock vertically set up in assist on the door, link gear still includes the balancing piece, assist the door and go up to rotate and be connected with the bull stick, the first end of bull stick with the balancing piece is connected, the second end of bull stick with the stock is connected.

Preferably, the tension of the self-closer on the auxiliary door is greater than the tension of the self-closer on the main door.

Preferably, be provided with the passageway in the supplementary door, the stock is located in the passageway, be provided with the handle on the supplementary door, the balancing piece is fixed in the handle.

Preferably, a first end and a second end of the rotating rod are respectively provided with a first strip-shaped groove and a second strip-shaped groove, the extending directions of the first limiting rod and the second limiting rod are parallel to the extending direction of the rotating rod, the balancing piece and the long rod are respectively provided with a first limiting rod and a second limiting rod, the first limiting rod and the second limiting rod are respectively inserted into the first strip-shaped groove and the second strip-shaped groove in an aligned mode, and the long rod and the balancing piece are respectively connected with the rotating rod through the first limiting rod and the second limiting rod.

Preferably, the extension direction of the bolt is parallel to the extension direction of the trigger block.

Preferably, the door frame includes a first threshold and a second threshold far away from the first threshold, the first threshold and the second threshold are parallel to each other, and the extension direction of the latch and the extension direction of the trigger block are both perpendicular to the first threshold.

Preferably, the bolt and the trigger block are respectively located at the top end or the bottom end of the auxiliary door, and the trigger block is abutted to the door frame.

Preferably, a slope surface is arranged at the tail end of the trigger block, a slope surface is arranged on the first threshold, and the slope surface of the trigger block corresponds to the slope surface of the first threshold.

The invention has the beneficial effects that: the technology is that the auxiliary door is closed under the effect of the self-closing device, the auxiliary door is closed, the guide block is abutted to the first threshold or the second threshold, so that the long rod is pushed to vertically move, the long rod drives the rotating rod to rotate, the balance piece is moved downwards, and the balance of the balance piece and the bolt connecting rod is broken. Then the long rod is driven to continue to move upwards through the self weight of the balance piece and the action of the long rod and the guide block, so that the bolt is inserted into the bolt hole groove above the door frame, and the auxiliary door is completely closed automatically; the main door is closed with the auxiliary door which is completely closed under the action of the self-closing device.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic view of a preferred embodiment of the present invention in a lateral view when the door and frame are closed;

FIG. 2 is a schematic view of the door and frame of the preferred embodiment of the present invention in a vertical view;

FIG. 3 is a schematic view of the door and frame of the preferred embodiment of the present invention in a transverse view when open;

FIG. 4 is a partial schematic structural view of a preferred embodiment of the present invention;

in the figure: a doorframe 1; a self-closing device 2; a plug pin 3; a trigger block 4; a bolt hole 5; a main door 6; an auxiliary door 7; a long rod 8; a balance member 9; a turning bar 10; a channel 11; a handle 12; a first bar-shaped groove 13; a second strip groove 14; a first stopper rod 15; a second stopper rod 16; a first threshold 101; a second threshold 102; a ramp surface 17; a rotating shaft 18; and a hinge 19 for the door leaf.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present invention provides a mechanical self-closing double door, comprising a doorframe 1 and a main door 6 and an auxiliary door 7 openably and closably installed on the doorframe 1, the main door 6 and the auxiliary door 7 are both provided with self-closing devices 2, the edge of the auxiliary door 7 is provided with a plug pin 3 and a trigger block 4 in a sliding way, the triggering block 4 is abutted against the edge of the door frame 1, the auxiliary door 7 is provided with a linkage mechanism, the linkage mechanism is connected with the triggering block 4, the bolt 3 is connected with the linkage mechanism, a bolt hole 5 is arranged on the door frame 1, the bolt hole 5 corresponds to the bolt 3, the self-closing device 2 pulls the auxiliary door 7 to close the door frame 1, the linkage mechanism drives the bolt to move relative to the bolt hole, so that the auxiliary door 7 is in a locked or unlocked state with the door frame 1, and the main door 6 is closed with the auxiliary door 7 under the pulling of the self-closer 2.

Referring to fig. 2, in a preferred embodiment, the linkage mechanism includes a long rod 8, and the latch 3 and the trigger block 4 are respectively connected to both ends of the long rod 8.

Referring to fig. 2, in a preferred embodiment, the long rod 8 is vertically disposed on the auxiliary door 7, the linkage mechanism further includes a balancing member 9, the auxiliary door 7 is rotatably connected with a rotating rod 10 through a rotating shaft 18, a first end of the rotating rod 10 is connected with the balancing member 9, and a second end of the rotating rod 10 is connected with the long rod 8. The balancing piece 9 is a balancing weight, when assisting door 7 and door frame 1 not closed, triggers piece 4 and door frame 1 and does not contradict, and this moment, balancing piece 9 reaches the balance through the stock 8 of bull stick 10 and the bull stick 10 other end.

Referring to figure 1, in the preferred embodiment, the tension of the self-closer on the secondary door 7 is greater than the tension of the self-closer on the primary door 6. The closing speed of the auxiliary door 7 is faster than that of the main door 6, and the auxiliary door 7 is closed with the door frame 1 first, so that the double-door closing process is smoother.

Referring to fig. 2, in the preferred embodiment, a passage 11 is provided in the auxiliary door 7, the long rod 8 is positioned in the passage 11, a handle 12 is provided on the auxiliary door 7, and the balancing member 9 is fixed in the handle 12 on the auxiliary door 7.

Referring to fig. 4, in a preferred embodiment, a first end and a second end of the rotating rod 10 are respectively provided with a first strip-shaped groove 13 and a second strip-shaped groove 14, an extending direction of the first limiting rod 15 and the second limiting rod 16 is parallel to the extending direction of the rotating rod 10, the balancing member 9 and the long rod 8 are respectively provided with a first limiting rod 15 and a second limiting rod 16, the first limiting rod 15 and the second limiting rod 16 are respectively inserted into the first strip-shaped groove 13 and the second strip-shaped groove 14 in an aligned manner, and the long rod 8 and the balancing member 9 are respectively connected with the rotating rod 10 through the first limiting rod 15 and the second limiting rod 16.

Referring to fig. 2, in a preferred embodiment, the extension direction of the latch 3 is parallel to the extension direction of the trigger block 4. Thus, the direction of movement of the bolt 3 is the same as the direction of movement of the trigger block 4.

Referring to fig. 2, in a preferred embodiment, the door frame 1 includes a first door sill 101 and a second door sill 102 far away from the first door sill 101, the first door sill 101 and the second door sill 102 are parallel to each other, and the extension direction of the latch 3 and the extension direction of the trigger block 4 are both perpendicular to the first door sill 101.

Referring to fig. 2, in a preferred embodiment, the latch 3 and the trigger block 4 are respectively located at the top end or the bottom end of the auxiliary door 7, and the trigger block 4 abuts against the doorframe 1.

Referring to fig. 2, in a preferred embodiment, a slope 17 is provided at the end of the trigger block 4, a slope 17 is provided on the first threshold 101, and the slope 17 of the trigger block 4 corresponds to the slope 17 of the first threshold. When the auxiliary door 7 is to be opened, the handle 12 is pulled and the auxiliary door 7 is pushed, the latch 3 is removed from the latch hole 5, and the auxiliary door 7 is unlocked from the doorframe 1.

In this application, unless expressly stated or limited otherwise, 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 intervening media. 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.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A mechanical self-closing double door is characterized by comprising a door frame, a main door and an auxiliary door, wherein the main door and the auxiliary door are installed on the door frame in a openable and closable manner, self-closing devices are installed on the main door and the auxiliary door, a bolt and a trigger block are arranged at the edge of the auxiliary door in a sliding manner, the trigger block is abutted against the edge of the door frame, a linkage mechanism is arranged on the auxiliary door and connected with the trigger block, the bolt is connected with the linkage mechanism, a bolt hole is formed in the door frame and corresponds to the bolt, the self-closing device pulls the auxiliary door to be closed with the door frame, the linkage mechanism drives the bolt to move relative to the bolt hole, so that the auxiliary door and the door frame are in a locking or unlocking state, the main door is pulled by the self-closing device to be closed with the auxiliary door, and a balance piece is further arranged on the linkage mechanism, the auxiliary door is rotatably connected with a rotating rod, the first end of the rotating rod is connected with the balance piece, and the second end of the rotating rod is connected with the linkage mechanism.

2. A double door as defined in claim 1, wherein said linkage mechanism includes an elongated rod, said latch and said trigger block being connected to respective ends of said elongated rod.

3. A double door as defined in claim 2, wherein said long rod is vertically provided on said auxiliary door.

4. A bi-parting door as claimed in claim 2 wherein the tension of the self-closer on said secondary door is greater than the tension of the self-closer on said primary door.

5. A double door as claimed in claim 3, wherein said secondary door has a passageway therein, said rod being positioned in said passageway, said secondary door having a handle therein, said counterbalance being secured in said handle.

6. The double door as claimed in claim 5, wherein the first end and the second end of the rotation bar are respectively provided with a first bar-shaped groove and a second bar-shaped groove, the balancing member and the long bar are respectively provided with a first limiting rod and a second limiting rod, the extending directions of the first limiting rod and the second limiting rod are parallel to the extending direction of the rotation bar, the first limiting rod and the second limiting rod are respectively inserted in the first bar-shaped groove and the second bar-shaped groove in an aligned manner, and the long bar and the balancing member are respectively connected with the rotation bar through the first limiting rod and the second limiting rod.

7. A double door as defined in claim 1 wherein said latch extends in a direction parallel to the direction of extension of said trigger block.

8. The double door of claim 1, wherein said door frame includes a first threshold and a second threshold remote from said first threshold, said first threshold and said second threshold being parallel to each other, said latch extending in a direction perpendicular to said first threshold and said trigger extending in a direction perpendicular to said first threshold.

9. A double door as claimed in claim 1, wherein said latch and said trigger block are located at the top or bottom end of said secondary door, respectively, said trigger block abutting said door frame.

10. The double door of claim 8 wherein said trigger block has a ramped surface at an end thereof and said first threshold has a ramped surface thereon, said ramped surface of said trigger block corresponding to said ramped surface of said first threshold.