Double door exterior lock

Abstract

The utility model relates to the technical field of double-door locks, and in particular to a double-door exterior lock, comprising a left door and a right door, wherein the left door and the right door are respectively provided with a left door handle and a right door handle, wherein a first base and a second base are respectively connected to the opposite positions of the left door handle and the right door handle, wherein a connecting piece is hinged on one of the bases, and a lock is provided on the other base, wherein the lock can lock the end of the connecting piece away from the hinged position. The beneficial effects of the utility model are as follows: the method of the utility model is simple and applicable, and the manager only needs to carry a key to easily open and lock the door. The utility model can be used on newly produced doors, and can also be retrofitted on installed doors.

Description

Technical Field

[0001] The utility model relates to the technical field of double-door locks, in particular to a double-door external lock. Background Art

[0002] At present, the external locking method of double doors requires the use of other locks, basically a fork lock or a chain lock. After opening, the lock needs to be locked on the door handle or taken away, which is very troublesome to use and unsightly.

[0003] The application number is CN97249838.9. The utility model discloses a double door lock, which is composed of a lock column, a pull column, a lock beam, a latch, etc., and is used for double door locks. It can be locked with one press, so that the double door is immobile inside and outside, and there is no sound when the wind blows. The key is convenient and safe to unlock. After unlocking, the pull column can also serve as a handle, thereby providing a double door with a fully functional and easy-to-use lock.

[0004] The application number is CN201620804110.8. The utility model discloses a double-door lock, comprising two symmetrically arranged lock sleeves, a first clamping edge is arranged on the rear end surface of the lock sleeve, a second clamping edge is arranged on the front end surface of the lock sleeve, a U-shaped lock rod is matched between the two lock sleeves, both ends of the lock rod pass through the lock sleeves, a locking hole is arranged on the top of the end of the lock rod passing through the lock sleeve, an insertion rod is matched in the two locking holes, a connecting plate is matched between the two insertion rods, and a screw for fixing the lock rod is arranged on the top of the second clamping edge; when the device is in use, the double-door is locked by the lock rod, even if the lock rod is cut off by a wire cutter on the outside, it can still be fixed on the inside of the door by the connecting plate and the insertion rod to prevent the door from being opened, thereby achieving a better anti-theft effect. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model aims to provide a double door exterior lock which solves the technical problem that fork locks or chain locks for double doors are troublesome to use and unsightly.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a double-door exterior lock, comprising a left door and a right door, the left door and the right door are respectively provided with a left door handle and a right door handle, a first base and a second base are respectively connected to the opposite positions of the left door handle and the right door handle, a connecting piece is hinged on one of the bases, and a lock is arranged on the other base, and the lock can lock the end of the connecting piece away from the hinged position.

[0007] Furthermore, the second base is configured to be fixedly connected to the first ear plate and the second ear plate on the right door handle, and the lock is connected between the first ear plate and the second ear plate; the first base is configured to be fixedly connected to the third ear plate and the fourth ear plate on the left door handle, and one end of the connecting member is hinged between the third ear plate and the fourth ear plate.

[0008] Furthermore, the lock is configured as a telescopic lock with a retractable lock tongue, the first ear plate is located on the outside of the second ear plate, the telescopic lock is installed on the first ear plate, and when the telescopic lock is locked, the lock tongue extends out and locks on the second ear plate; the connecting piece is configured as a connecting strip, and the end of the connecting strip away from the hinged position is provided with a through hole that matches the lock tongue when it is locked.

[0009] Furthermore, one end of the connecting bar is hinged between the third ear plate and the fourth ear plate through bolts and nuts.

[0010] Furthermore, a rib plate is connected between the first ear plate and the second ear plate.

[0011] Furthermore, the rib plate is welded to the first ear plate and the second ear plate.

[0012] Furthermore, the first ear plate and the second ear plate are welded to the right door handle; and the third ear plate and the fourth ear plate are welded to the left door handle.

[0013] The technical solution of the utility model is that on the right door, the ear plate is welded on the handle of the right door, the rib plate is welded between the ear plates to increase the structural strength, and the telescopic lock is installed on the ear plate; the ear plate is welded on the handle of the left door, and the connecting strip is installed on the ear plate welded on the handle of the left door through bolts and nuts, and the connecting strip can rotate freely around the mounting bolts.

[0014] The telescopic lock is installed on the ear plate welded on the right door handle. The lock tongue of the telescopic lock can be extended and retracted by rotating the key, and the connecting bar can rotate freely around the mounting bolt.

[0015] When locking the door, the rotating link is aligned with the lock tongue of the telescopic lock, and the lock tongue is extended by rotating the telescopic lock with the key to complete the locking. When unlocking the door, the key is used to rotate the telescopic lock to retract the lock tongue, and the link falls freely and finally stops in the vertical downward position.

[0016] The utility model is designed as a simple double-door external locking method, which is easy to operate. The administrator only needs to carry the telescopic lock key. When locking the door, the rotating connecting strip is aligned with the lock tongue of the telescopic lock, and the telescopic lock is rotated by the key to extend the lock tongue to complete the locking; when unlocking the door, the telescopic lock is rotated by the key to retract the lock tongue, and the connecting strip falls freely and finally stops in a vertical downward position.

[0017] The utility model can be used on newly produced doors, and can also be modified on installed doors, has low technical requirements and is extremely widely applicable.

[0018] The technical solution of the utility model is a simple and applicable double-door lock structure. Through the technical solution of the utility model, a double-door external locking method using a telescopic lock to fix a connecting strip is obtained.

[0019] The beneficial effects of the utility model are as follows: the method of the utility model is simple and applicable, and the manager only needs to carry a key to easily open and lock the door. The utility model can be used on newly produced doors or modified on installed doors. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 This is a front view schematic diagram of the utility model in an open state;

[0022] Figure 2 This is a top view schematic diagram of the utility model in an open state;

[0023] Figure 3 for Figure 1 The large sample picture at A in the middle;

[0024] Figure 4 for Figure 2 The large sample drawing at B in the middle;

[0025] Figure 5 This is a front view schematic diagram of the utility model in a locked state;

[0026] Figure 6 This is a top view schematic diagram of the utility model in a locked state;

[0027] Figure 7 for Figure 5 The large sample picture at C in the middle;

[0028] Figure 8 for Figure 6 The large-scale drawing of the center D;

[0029] In the figure: 1, telescopic lock; 2, first ear plate; 3, second ear plate; 4, rib plate; 5, bolt; 6, connecting rod; 7, nut; 8, third ear plate; 9, fourth ear plate; 10, left door handle; 11, right door handle. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] like Figures 1 to 8 As shown, a double-door exterior lock comprises a left door and a right door, wherein a left door handle 10 and a right door handle 11 are respectively provided on the left door and the right door handle 11, wherein a first base and a second base are respectively connected to the opposite positions of the left door handle 10 and the right door handle 11, wherein a connecting piece is hinged on one of the bases, and a lock is provided on the other base, wherein the lock can lock the end of the connecting piece away from the hinged position.

[0033] Preferably, the second base is configured to be fixedly connected to the first ear plate 2 and the second ear plate 3 on the right door handle 11, and the lock is connected between the first ear plate 2 and the second ear plate 3; the first base is configured to be fixedly connected to the third ear plate 8 and the fourth ear plate 9 on the left door handle 10, and one end of the connecting member is hinged between the third ear plate 8 and the fourth ear plate 9.

[0034] Preferably, the lock is configured as a telescopic lock 1 provided with a retractable lock tongue, the first ear plate 2 is located on the outside of the second ear plate 3, the telescopic lock 1 is installed on the first ear plate 2, and when the telescopic lock 1 is locked, the lock tongue extends out and locks on the second ear plate 3; the connecting member is configured as a connecting bar 6, and the end of the connecting bar 6 away from the hinged position is provided with a through hole matching the lock tongue when it is locked.

[0035] Embodiment 2:

[0036] like Figures 1 to 8 As shown, based on the technical solution of embodiment 1, a double-door external lock is provided. Preferably, one end of the connecting bar 6 is hinged between the third ear plate 8 and the fourth ear plate 9 through a bolt 5 and a nut 7.

[0037] Preferably, a rib plate 4 is connected between the first ear plate 2 and the second ear plate 3 .

[0038] Preferably, the rib plate 4 is welded to the first ear plate 2 and the second ear plate 3 .

[0039] Preferably, the ear plate 8 and the fourth ear plate 9 are welded to the left door handle 10 .

[0040] The technical solution of the utility model is that on the right door, the first ear plate 2 and the second ear plate 3 are welded to the handle 11 of the right door, the rib plate 4 is welded between the first ear plate 2 and the second ear plate 3 to increase the structural strength, and the telescopic lock 1 is installed on the ear plate 2; the third ear plate 8 and the fourth ear plate 9 are welded to the handle 10 of the left door, and the connecting bar 6 is installed on the third ear plate 8 and the fourth ear plate 9 welded on the left door handle 10 through bolts 5 and nuts 7, and the connecting bar 6 can rotate freely around the mounting bolts 5.

[0041] The telescopic lock 1 is mounted on a first ear plate 2 welded on a right door handle 11 . The lock tongue of the telescopic lock 1 can be extended and retracted by rotating a key, and the connecting bar 6 can freely rotate around the mounting bolt 5 .

[0042] When locking the door, the rotating connecting bar 6 is aligned with the lock tongue of the telescopic lock 1, and the telescopic lock 1 is rotated by a key to extend the lock tongue, thereby completing the locking.

[0043] When unlocking, the telescopic lock 1 is rotated with a key to retract the lock tongue, and the connecting bar 6 falls freely and finally stops in a vertical downward position.

[0044] The utility model is designed as a simple double-door external locking method, which is easy to operate. The administrator only needs to carry the key of the telescopic lock 1. When locking the door, the rotating connecting bar 6 is aligned with the lock tongue of the telescopic lock 1, and the telescopic lock 1 is rotated by the key to extend the lock tongue to complete the locking; when unlocking, the telescopic lock 1 is rotated by the key to retract the lock tongue, and the connecting bar 6 falls freely and finally stops in a vertical downward position.

[0045] The method of the utility model is simple and applicable, and the manager only needs to carry a key to easily open and lock the door. The utility model can be used on newly produced doors, and can also be modified on installed doors.

[0046] The utility model can be used on newly produced doors, and can also be modified on installed doors, has low technical requirements and is extremely widely applicable.

[0047] The technical solution of the utility model is a simple and applicable double-door lock structure. Through the technical solution of the utility model, a double-door external locking method using a telescopic lock to fix a connecting strip is obtained.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double door exterior lock, comprising a left door and a right door, wherein the left door and the right door are provided with a left door handle (10) and a right door handle (11) respectively, wherein: The left door handle (10) and the right door handle (11) are respectively connected to a first base and a second base at positions facing each other, a connecting piece is hinged on one of the bases, and a lock is arranged on the other base, wherein the lock can lock the end of the connecting piece away from the hinged position.

2. A double door exterior lock according to claim 1, characterized in that: The second base is configured as a first ear plate (2) and a second ear plate (3) fixedly connected to the right door handle (11), and the lock is connected between the first ear plate (2) and the second ear plate (3); the first base is configured as a third ear plate (8) and a fourth ear plate (9) fixedly connected to the left door handle (10), and one end of the connecting member is hinged between the third ear plate (8) and the fourth ear plate (9).

3. The double door exterior lock according to claim 2 is characterized in that: The lock is configured as a telescopic lock (1) provided with a retractable lock tongue, the first ear plate (2) is located on the outer side of the second ear plate (3), the telescopic lock (1) is mounted on the first ear plate (2), and when the telescopic lock (1) is locked, the lock tongue extends out and is locked on the second ear plate (3); the connecting piece is configured as a connecting bar (6), and one end of the connecting bar (6) away from the hinged position is provided with a through hole matching the lock tongue when locked.

4. A double door exterior lock according to claim 3, characterized in that: One end of the connecting bar (6) is hinged between the third ear plate (8) and the fourth ear plate (9) through a bolt (5) and a nut (7).

5. A double door exterior lock according to claim 3 or 4, characterized in that: A rib plate (4) is connected between the first ear plate (2) and the second ear plate (3).

6. The double door exterior lock according to claim 5, characterized in that: The rib plate (4) is welded to the first ear plate (2) and the second ear plate (3).

7. The double door exterior lock according to claim 2 is characterized in that: The first ear plate (2) and the second ear plate (3) are welded to the right door handle (11); the third ear plate (8) and the fourth ear plate (9) are welded to the left door handle (10).

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