CN107366483B

CN107366483B - Automatic bolt device for double door

Info

Publication number: CN107366483B
Application number: CN201710784562.3A
Authority: CN
Inventors: 王俊敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-04
Filing date: 2017-09-04
Publication date: 2023-07-11
Anticipated expiration: 2037-09-04
Also published as: CN107366483A

Abstract

The utility model relates to the technical field of doors and windows, and provides an automatic bolt device for a double-leaf door, which comprises a double-leaf door frame and two door leaves arranged on the door frame, wherein a top lock and a bottom lock are arranged on one door leaf, the top lock and the bottom lock are bolts, and the automatic bolt device also comprises an automatic bolt control mechanism, and the automatic bolt control mechanism comprises a first connecting rod, a second connecting rod, a rotating rod, a reset spring, a pushing rod and a pushing block. The utility model solves the problems that the existing double door has troublesome opening and closing of the top lock and the bottom lock, and the semiautomatic opening structure is complex and the manufacturing cost is high.

Description

Automatic bolt device for double door

Technical Field

The utility model relates to the field of door and window manufacturing, in particular to an automatic bolt device for a double door.

Background

At present, a common split door in the market consists of a door frame, two doors, a main lockset, a top lock, a ground lock and a bolt inserting hole arranged on a door frame; the structure of the two doors is that a main lock is arranged on one door, hereinafter referred to as a main lock door, and a main lock hole, a top lock mounting hole and a ground lock mounting hole which correspond to the main lock are arranged on the other door, hereinafter referred to as an auxiliary lock door; the top and bottom locks are respectively arranged in top and bottom lock mounting holes on the auxiliary lock door, the top and bottom locks are inserted pins, and the auxiliary lock door can be locked only by manually controlling the top and bottom pins of the top and bottom locks respectively. When the side-by-side door needs to be tightly closed, the operation sequence is to align the lock tongue of the ground lock and the lock tongue of the overhead lock of the auxiliary lock door with the bolt inserting hole on the door frame, then toggle the switches of the overhead lock and the ground lock, so that the lock tongue is embedded into the bolt inserting hole, thereby fixing the auxiliary lock door on the door frame, and finally closing the main lock door to achieve the effect of tightly closing. If two doors of the tightly closed split type door are required to be opened, the operation sequence is that the main lock door is required to be opened firstly, then the switch on the top lock and the bottom lock on the auxiliary lock door is toggled, so that the lock tongue is separated from the lock tongue hole, the auxiliary lock door is loosened, and the two doors can be opened completely. The operation steps of opening and closing the door are more, and the door is inconvenient and quick to open and close. How to design a latch device to simplify the opening of the door is a problem to be solved, for which the chinese patent number: 201020678605.3A semi-automatic bolt device for a double door comprises a double door frame and two door leaves (A3 and 8) arranged on the door frame, and is characterized in that a bolt device consisting of a control mechanism (A5), a transmission rod (A4) and a bolt mechanism (A1) is arranged on the door leaf (A3), a bolt hole matched with the bolt mechanism (A1) is formed in the door frame, the control mechanism (A5) consists of a rotating body (4) transversely arranged on the door leaf (A3) and linkage blocks (9) fixed on two sides of the rotating body (4), the bolt mechanism (A1) consists of a bolt fixing frame (21) fixed on the door leaf (A3) and bolts (14 and 15) arranged on the bolt fixing frame (21), one end of one transmission rod (A4) is movably connected to the linkage block (9) on one side, the other end of the other transmission rod (A4) is movably connected to the linkage block (9) on the other side, and the other end of the other transmission rod (A4) is connected to the bottom (14 and 15). Another example is chinese patent No.: 20162056089. X, has disclosed a kind of bolt device, in order to overcome the disadvantage that the door of the split door is opened, door closing operation steps are many, inconvenient in the prior art, the utility model has provided such a kind of bolt device, including vice lock device, bolt assembly I, bolt assembly II and installing in the bolt hole of the door frame; the auxiliary lock device is connected with the bolt component I and the bolt component II respectively; the auxiliary lock device comprises an auxiliary lock shell, a telescopic component, a swinging rod elastic component, a door leaf elastic component and a tension spring. The beneficial effects are that: when the door is in an open state and needs to be closed, the auxiliary lock door is closed, and the lock tongue is inserted into the lock tongue hole through the telescopic component, the lock pin component I and the lock pin component II; the main door is closed, so that the door closing operation is quick and convenient; the door can be opened by rotating the auxiliary door locking handle after the main door is opened, so that two doors are opened. However, the two structures are still required to be opened manually, and the structure is complex and the manufacturing cost is high.

Disclosure of Invention

Therefore, the utility model provides the automatic bolt device of the double door, which has the advantages of simple structure, low manufacturing cost, convenient use and automatic opening/closing.

In order to solve the technical problem, the utility model adopts the following scheme: the automatic bolt device for the double-leaf door comprises a double-leaf door frame and two door leaves arranged on the door frame, wherein a top lock and a bottom lock are arranged on one door leaf, the top lock and the bottom lock are bolts, the automatic bolt control mechanism comprises a first connecting rod, a second connecting rod, a rotating rod, a reset spring, a push rod and a push block, the top lock and the bottom lock are arranged on the door leaf in a vertical direction and are not in the same straight line, an upper bolt hole and a lower bolt hole which are matched with the top lock and the bottom lock are arranged on the double-leaf door frame, the rotating rod is rotatably arranged at the middle part of the door leaf on which the top lock and the bottom lock are arranged, and an included angle formed between the rotating rod and the vertical direction of the door leaf in the length direction is smaller than 90 degrees, one end of the first connecting rod is fixedly connected with one end of the overhead lock, which is far away from the upper bolt hole, the other end of the first connecting rod is rotatably connected with the upper end of the rotating rod, one end of the second connecting rod is fixedly connected with one end of the ground lock, which is far away from the lower bolt hole, the other end of the second connecting rod is rotatably connected with the lower end of the rotating rod, one end of the return spring is fixedly connected with the door leaf, the other end of the return spring is fixedly connected with the rotating rod and is used for realizing the reset of the rotating rod, the pushing rod can be transversely moved and is arranged in the middle part of the door leaf, one end of the pushing rod is fixedly connected with the side surface of the rotating rod, which faces towards the middle part of the double-leaf door, the other end of the pushing rod, which is far away from the rotating rod, is provided with a lock tongue, which transversely protrudes the door leaf and faces towards the other door leaf, the push block is arranged on the door leaf without the rotating rod, and the push block is positioned at a position corresponding to the lock tongue of the push rod and used for pushing the lock tongue of the push rod so as to push the push rod to translate towards the rotating rod, so that the rotating rod drives the first connecting rod and the second connecting rod to act to insert the top lock and the bottom lock into the upper bolt hole and the lower bolt hole of the door frame of the double-leaf door.

Further, the push rod comprises a rod body, a lock tongue and a spring, one end of the rod body is fixedly connected with the rotating rod, one end of the rod body, far away from the rotating rod, is connected with one end of the spring, and the other end of the spring is embedded in the fixed end of the lock tongue.

Furthermore, a tongue inserting hole matched with the tongue is formed in one surface of the push block, facing the tongue of the push rod.

Further, one end of the return spring is connected with the upper end of the rotating rod, and the other end of the return spring is connected with the lower part of the door leaf.

Further, one end of the return spring is connected with the lower end of the rotating rod, and the other end of the return spring is connected with the upper portion of the door leaf.

Further, still include the locating plate, locating plate one end rotationally locates the door leaf lower part that is equipped with the catch bar, door leaf upper portion that is equipped with the catch bar is equipped with the fixed column above the locating plate, the free end of locating plate is used for restricting the position of catch bar with the fixed column demountable connection and promotes the catch bar toward the catch bar direction and then makes the catch bar drive head rod and second connecting rod action with last bolt hole and the lower bolt hole of lock insertion double-leaf door frame.

Further, still include the locating plate, locating plate one end rotationally locates the door leaf upper portion that is equipped with the catch bar, the door leaf lower part that is equipped with the catch bar is equipped with the fixed column below the locating plate, the free end of locating plate is used for restricting the position of catch bar with the fixed column demountable connection and promotes the catch bar toward the catch bar direction and then makes the catch bar drive head rod and second connecting rod action with last bolt hole and the lower bolt hole of lock insertion double-leaf door frame.

Further, still include gag lever post and reference column, gag lever post one end rotationally locates the catch bar and sets up on the one end of spring bolt, the reference column is located the top or the below of catch bar and dwang link one side, the free end and the reference column demountable connection of gag lever post are used for pushing the catch bar toward the dwang direction and then make the dwang drive first connecting rod and second connecting rod action with day lock and ground lock insert the last bolt hole and the lower bolt hole of two fan door frames.

By adopting the technical scheme, the utility model has the beneficial effects that: the automatic bolt control mechanism is arranged on the double-leaf door, namely, a first connecting rod and a second connecting rod are arranged on the door leaf and are respectively connected with the overhead lock and the ground lock, two ends of the rotating rod are respectively connected with the first connecting rod and the second connecting rod, one end of the pushing rod is connected with the pushing rotating rod, the other end of the pushing rod protrudes out of the door leaf, the pushing rod is pushed by the other upper pushing block of the door leaf, when the door is closed, the pushing rod is pushed by the pushing block to push the pushing rod in the direction of the rotating rod, so that the rotating rod drives the first connecting rod and the second connecting rod to act to insert the overhead lock and the ground lock into an upper bolt hole and a lower bolt hole of the double-leaf door frame, when the door is opened, the rotating rod is moved away due to the reset force of the reset spring, the rotating rod is enabled to have the action force towards the pushing block to automatically open the upper bolt hole and the lower bolt hole of the double-leaf door frame, so that the overhead lock and the ground lock are fully automatically closed/opened, the double-leaf door frame is simple in structure, low in manufacturing cost and convenient to use; by further arrangement, namely the spring is arranged between the lock tongue of the pushing rod and the rod body, the action of the whole automatic bolt control mechanism is buffered, the closing is delayed, and the service life of the automatic bolt control mechanism is prolonged; through the mode that sets up locating plate and fixed column or gag lever post and reference column for set up sky lock and ground lock and also can manually make to close in ordinary time, can only open a door leaf, it is more convenient to use, simple structure is practical, can extensively popularize and apply.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a schematic view of the structure of the push rod in the embodiment of the present utility model.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1-2, the preferred automatic latch device for double door of the present utility model comprises a double door frame 1 and two door leaves 2, 3 installed on the door frame 1, a top lock 4, a ground lock 5, an automatic latch control mechanism, a limit rod 12 and a positioning column 13 are installed on one door leaf 2, the top lock 4 and the ground lock 5 are latches, the automatic latch control mechanism comprises a first connecting rod 6, a second connecting rod 7, a rotating rod 8, a return spring 9, a push rod 10 and a push block 11, the top lock 4 and the ground lock 5 are positioned on the door leaf 2 in a vertical direction and are not on the same straight line, an upper latch hole 101 and a lower latch hole 102 matched with the top lock 4 and the ground lock 5 are installed on the double door frame 1, the rotating rod 8 is rotatably arranged in the middle of the door leaf 2 installed with the top lock 4 and the ground lock 5, the rotating rod 8 forms an included angle of 60 degrees with the vertical direction of the door leaf 2 along the length direction, one end of the first connecting rod 6 is fixedly connected with one end of the overhead lock 4 far away from the upper bolt hole 101, the other end of the first connecting rod 6 is rotatably connected with the upper end of the rotating rod 8, one end of the second connecting rod 7 is fixedly connected with one end of the ground lock 5 far away from the lower bolt hole 102, the other end of the second connecting rod 7 is rotatably connected with the lower end of the rotating rod 8, one end of the return spring 9 is connected with the lower end of the rotating rod 8, the other end of the return spring 9 is connected with the upper part of the door leaf 2 and is used for realizing the return of the rotating rod 8, namely, the rotating rod 8 is automatically in an opening state because the rotating rod 8 has a side acting force towards the push block 11 due to the return force of the return spring 9, namely, the upper bolt hole 101 and the lower bolt hole 102 of the double-leaf door frame 1 are pulled out by the ground lock 5, the push rod 10 is arranged in the middle of the door leaf 2 in a transversely movable manner, one end of the push rod 10 is fixedly connected with the side surface of the rotating rod 8, which faces the middle of the double door, the push rod 10 comprises a rod body 1001, a lock tongue 1002 and a spring 1003, one end of the rod body 1001 is fixedly connected with the rotating rod 8, one end of the rod body 1001, which is far away from the rotating rod 8, is connected with one end of the spring 1003, the other end of the spring 1003 is embedded in the fixed end of the lock tongue 1002, the other end of the push rod 10, which is far away from the rotating rod 8, is provided with a lock tongue 1002 which transversely protrudes out of the door leaf 2 and faces the other door leaf 3, one surface of the push block 11, which faces the lock tongue 1002 of the push rod 10, is provided with a tongue inserting hole which is matched with the lock tongue 1002, the push block 11 is arranged on the door leaf 3 without the rotating rod 8, the push block 11 is arranged at a position corresponding to the lock tongue 1002 of the push rod 10, so that the push rod 10 is pushed to translate towards the rotating rod 8, the rotating rod 8 drives the first connecting rod 6 and the second connecting rod 7 to act, the overhead lock 4 and the ground lock 5 are inserted into the upper bolt hole 101 and the lower bolt hole 102 of the double door frame 1, one end of the limiting rod 12 is rotatably arranged at one end of the push rod 10, the lock tongue 1002 is arranged at one end of the limiting rod 13, the positioning column 13 is arranged below one side of the connecting end of the push rod 10 and the rotating rod 8, and the free end of the limiting rod 12 is detachably connected with the positioning column 13 and used for pushing the push rod 10 towards the rotating rod 8, so that the rotating rod 8 drives the first connecting rod 6 and the second connecting rod 7 to act, and the overhead lock 4 and the ground lock 5 are inserted into the upper bolt hole 101 and the lower bolt hole 102 of the double door frame 1.

The position of the return spring can also be set in the utility model that one end of the return spring is connected with the upper end of the rotating rod, and the other end is connected with the lower part of the door leaf; the locating column in the structure of the limit rod and the locating column can be arranged above one side of the connecting end of the pushing rod and the rotating rod; meanwhile, the mode of realizing the closing of the space lock and the ground lock by the linkage of the limiting rod and the positioning column can also be realized by adopting a mode of arranging the detachable connecting structure of the positioning plate and the fixing column, namely one end of the positioning plate is rotatably arranged at the lower part of the door leaf provided with the pushing rod, the fixing column is arranged above the positioning plate at the upper part of the door leaf provided with the pushing rod, and the free end of the positioning plate is detachably connected with the fixing column and used for limiting the position of the pushing rod to push the pushing rod to the direction of the rotating rod so as to enable the rotating rod to drive the first connecting rod and the second connecting rod to act to insert the space lock and the ground lock into an upper bolt hole and a lower bolt hole of a door frame of the double door; or the mode that gag lever post and reference column linkage realized sealing sky lock and ground lock still can adopt setting up the mode of the dismantled and assembled connection structure of another locating plate and fixed column to realize, promptly locating plate one end rotationally locates the door leaf upper portion that is equipped with the catch bar, the door leaf lower part that is equipped with the catch bar is located the locating plate below and is equipped with the fixed column, the free end of locating plate is used for restricting the position of catch bar with the fixed column dismantled and assembled connection and promotes the catch bar toward the dwang direction and then makes the dwang drive first connecting rod and second connecting rod action with last bolt hole and the lower bolt hole of sky lock and ground lock insertion two-leaf door frame.

According to the utility model, an automatic bolt control mechanism is arranged on a double-leaf door, namely, a first connecting rod and a second connecting rod are arranged on a door leaf and are respectively connected with a top lock and a ground lock, two ends of a rotating rod are respectively connected with the first connecting rod and the second connecting rod, one end of a pushing rod is connected with a pushing rotating rod, the other end of the pushing rod protrudes out of the door leaf, the pushing rod is pushed by the pushing block on the other door leaf, when the door is closed, the pushing block pushes the pushing rod to push the rotating rod so as to drive the rotating rod to drive the first connecting rod and the second connecting rod to act, so that the top lock and the ground lock are inserted into an upper bolt hole and a lower bolt hole of the double-leaf door frame, when the door is opened, the rotating rod is moved away due to the reset force of a reset spring, the rotating rod is provided with the action force of the pushing block, so that the top bolt hole and the lower bolt hole of the double-leaf door frame are pulled out by the top lock and the ground lock, and the full automatic closing/opening of the top lock and the double-leaf door frame is realized, and the structure is simple, the manufacturing cost is low, and use is convenient; by further arrangement, namely the spring is arranged between the lock tongue of the pushing rod and the rod body, the action of the whole automatic bolt control mechanism is buffered, the closing is delayed, and the service life of the automatic bolt control mechanism is prolonged; through the mode that sets up locating plate and fixed column or gag lever post and reference column for set up sky lock and ground lock and also can manually make to close in ordinary time, can only open a door leaf, it is more convenient to use, simple structure is practical, can extensively popularize and apply.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an automatic bolt device of two-leaf door, includes two door frame and installs two door leafs on the door frame, installs sky lock and ground lock on a door leaf, sky lock and ground lock are the bolt, its characterized in that: the automatic bolt control mechanism comprises a first connecting rod, a second connecting rod, a rotating rod, a reset spring, a pushing rod and a pushing block, wherein the overhead lock and the ground lock are positioned on the door leaf and are not in the same straight line in the vertical direction, an upper bolt hole and a lower bolt hole which are matched with the overhead lock and the ground lock are arranged on the door frame of the double-leaf door, the rotating rod is rotatably arranged in the middle of the door leaf provided with the overhead lock and the ground lock, an included angle smaller than 90 degrees is formed between the rotating rod and the vertical direction of the door leaf along the length direction, one end of the first connecting rod is fixedly connected with one end of the overhead lock, which is far away from the upper bolt hole, the other end of the first connecting rod is rotatably connected with the upper end of the rotating rod, one end of the second connecting rod is fixedly connected with one end of the ground lock, which is far away from the lower bolt hole, the second connecting rod other end is rotatable with the dwang lower extreme and is connected, reset spring one end is fixedly connected with the door leaf mutually, and the reset spring other end is fixedly connected with the dwang mutually and is used for realizing the reset of dwang, but dwang lateral shifting locates the side looks fixedly connected of the side at door leaf middle part and its one end and dwang orientation bipartite door middle part, the other end that the dwang kept away from the dwang is equipped with the spring bolt of horizontal protrusion door leaf orientation another door leaf, the ejector pad is located on the door leaf that does not set up the dwang and the ejector pad be located with the spring bolt of dwang correspond the department and be used for promoting the spring bolt of dwang and then promote the dwang to dwang direction translation make dwang drive first connecting rod and second connecting rod action with day lock and ground lock insert the last bolt hole and the lower bolt hole of bipartite door frame.

2. The automatic double door latch apparatus according to claim 1, wherein: the push rod comprises a rod body, a lock tongue and a spring, wherein one end of the rod body is fixedly connected with the rotating rod, one end of the rod body, which is far away from the rotating rod, is connected with one end of the spring, and the other end of the spring is embedded in the fixed end of the lock tongue.

3. The automatic double door latch apparatus according to claim 1 or 2, wherein: one surface of the push block facing the push rod lock tongue is provided with a lock tongue inserting hole matched with the lock tongue.

4. The automatic double door latch apparatus according to claim 1, wherein: one end of the return spring is connected with the upper end of the rotating rod, and the other end of the return spring is connected with the lower part of the door leaf.

5. The automatic double door latch apparatus according to claim 1, wherein: one end of the return spring is connected with the lower end of the rotating rod, and the other end of the return spring is connected with the upper part of the door leaf.

6. The automatic double door latch apparatus according to claim 1, wherein: still include the locating plate, locating plate one end rotationally locates the door leaf lower part that is equipped with the catch bar, door leaf upper portion that is equipped with the catch bar is equipped with the fixed column above the locating plate, the free end of locating plate is used for restricting the position of catch bar with the fixed column demountable connection and promotes the catch bar toward the dwang direction and then makes the dwang drive head rod and second connecting rod action with the last bolt hole and the lower bolt hole of lock insertion two-leaf door frame.

7. The automatic double door latch apparatus according to claim 1, wherein: still include the locating plate, locating plate one end rotationally locates the door leaf upper portion that is equipped with the catch bar, the door leaf lower part that is equipped with the catch bar is equipped with the fixed column below the locating plate, the free end of locating plate is used for restricting the position of catch bar with the fixed column demountable connection and promotes the catch bar toward the dwang direction and then makes the dwang drive head rod and second connecting rod action with the last bolt hole and the lower bolt hole of lock insertion two-leaf door frame.

8. The automatic double door latch apparatus according to claim 1, wherein: still include gag lever post and reference column, gag lever post one end is rotationally located the catch bar and is set up on the one end of spring bolt, the reference column is located the catch bar and is connected the top or the below of one side of end, the free end and the reference column demountable connection of gag lever post are used for pushing the catch bar toward the catch bar direction and then make the catch bar drive first connecting rod and second connecting rod action with last bolt hole and the lower bolt hole of lock insertion two-leaf door frame.