Sliding door lock

Abstract

The invention belongs to the technical field of lock structures, and particularly relates to a sliding door lock. The handle device comprises a handle base, a key column, an unlocking piece, a pull wire shifting piece and a pull wire, the handle base is arranged on the inner side of the door plate, the key column is slidably connected to the handle base in the inside-outside direction, the inner side of the key column is used for abutting against the unlocking piece, the middle of the unlocking piece is rotationally connected to the handle base, and one end of the unlocking piece abuts against one end of the pull wire shifting piece. The middle part of the pull wire shifting sheet is rotationally connected to the handle base; the lock catch device is arranged on the inner side of the door plate and used for locking the door plate, and the other end of the pull wire shifting piece is in transmission connection with the lock catch device through a pull wire. The unlocking piece, the pull wire shifting piece and the pull wire are sequentially driven by the key column, the lock catch device is driven by the pull wire to conduct unlocking, and when the lock catch device and the handle device are arranged at different positions of the door plate, the lock catch device can be easily unlocked through the handle device.

Description

Technical Field

[0001] The invention belongs to the technical field of lock structures, and in particular relates to a sliding door lock. Background Art

[0002] Existing door locks generally include a handle and a lock catch, and the handle is directly connected to the lock catch through transmission, and the lock catch is unlocked by turning the handle. In a general door lock structure, the handle and the lock catch are located on the inner and outer sides of the door and are arranged opposite to each other, that is, the distance between the handle and the lock catch is relatively close, and the lock catch can be directly driven by the handle.

[0003] However, in the actual installation process of the lock, the lock catch and the handle may need to be installed in different positions. The distance between the lock catch and the handle is far, and it is difficult to use the handle to control the lock catch to unlock. Therefore, it is necessary to design a sliding door lock to solve the above problem. Summary of the invention

[0004] In view of the above problems, the present invention provides a sliding door lock to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: a sliding door lock, applied to a door panel, a handle is provided on the outer side of the door panel, and the sliding door lock includes a handle device and a lock device;

[0006] The handle device comprises a handle base, a key column, an unlocking piece, a wire pull piece and a wire pull, wherein the handle base is arranged on the inner side of the door panel, the key column is slidably connected to the handle base along the inner and outer directions, the inner side of the key column is used to abut against the unlocking piece, the middle part of the unlocking piece is rotatably connected to the handle base, one end of the unlocking piece abuts against one end of the wire pull piece, and the middle part of the wire pull piece is rotatably connected to the handle base;

[0007] The locking device is used to be arranged on the inner side of the door panel and is used to lock the door panel. The other end of the pull wire paddle is transmission-connected to the locking device through the pull wire.

[0008] Furthermore, the other end of the unlocking piece extends outside the contour of the handle base.

[0009] Furthermore, a first connecting plate is provided on the handle base, a first wire drawing groove is formed on the first connecting plate, and the wire passes through the first wire drawing groove.

[0010] Furthermore, a contact piece is provided at one end of the wire pull paddle, the contact piece is located on the inner side of the unlocking piece and is used to abut against the unlocking piece, and a connecting piece is provided at the other end of the wire pull paddle, the connecting piece is used to connect the pull wire.

[0011] Furthermore, the handle device also includes a spring, a first connecting hole is opened on the connecting plate, a second connecting hole is opened on the pull wire paddle, one end of the spring is connected to the first connecting hole, and the other end of the spring is connected to the second connecting hole.

[0012] Furthermore, the lock device includes a lock base, a lock paddle, a lock and a locking column. The lock base is used to be arranged on the inner side of the door panel, the middle part of the lock paddle is rotatably connected to the lock base, one end of the lock paddle is connected to the pull wire, and the other end of the lock paddle is used to abut against one end of the lock, the middle part of the lock is rotatably connected to the lock base, the locking column is arranged on the lock base, and the other end of the lock is used to limit the locking column.

[0013] Furthermore, a second connecting plate is provided on the lock base, a second wire drawing groove is opened on the second connecting plate, and the wire passes through the second wire drawing groove.

[0014] Furthermore, the locking device also includes a limiting plate, one side of the locking base is opened, the locking paddle, the lock and the locking column are all arranged in the locking base from the opening, and the limiting plate is used to be arranged at the opening and connected to the locking base.

[0015] Furthermore, two locking devices are arranged on the door panel, and the pull-wire paddles are arranged at the upper and lower ends of the unlocking plate, and the two pull-wire paddles are connected to the two locking devices in a one-to-one correspondence through pull wires.

[0016] Technical effects and advantages of the present invention:

[0017] 1. Use the key column to drive the unlocking piece, the wire pull piece and the wire in sequence, and use the wire to drive the lock device to unlock. The lock device and the handle device are connected by the wire. When the lock device and the handle device are arranged at different positions of the door panel, the lock device can be unlocked more easily by the handle device.

[0018] Other features and advantages of the present invention will be described in the following description, and partly become obvious from the description, or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram showing the structure of a handle device according to an embodiment of the present invention is shown;

[0021] Figure 2 A schematic structural diagram showing another perspective of a handle device according to an embodiment of the present invention;

[0022] Figure 3 A schematic structural diagram of a locking device according to an embodiment of the present invention is shown;

[0023] Figure 4 A schematic structural diagram of a locking device from another perspective of an embodiment of the present invention is shown.

[0024] Figure numerals: 11. handle base; 12. key column; 13. unlocking plate; 14. wire pull plate; 21. lock base; 22. lock pull plate; 221. second fixing hole; 23. lock; 24. locking column; 3. first connecting plate; 31. first wire pull groove; 32. second connecting hole; 4. abutment plate; 5. connecting plate; 51. first connecting hole; 52. first fixing hole; 6. second connecting plate; 61. second wire pull groove; 7. limit plate; 8. handle. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1 and Figure 2 As shown, a sliding door lock according to an embodiment of the present invention is applied to a door panel, a handle 8 is provided on the outer side of the door panel, and the sliding door lock includes a handle device and a lock device;

[0027] The handle device comprises a handle base 11, a key column 12, an unlocking piece 13, a wire pull piece 14 and a wire pull, wherein the handle base 11 is arranged on the inner side of the door panel, the key column 12 is slidably connected to the handle base 11 along the inner and outer directions, the inner side of the key column 12 is used to abut against the unlocking piece 13, the middle part of the unlocking piece 13 is rotatably connected to the handle base 11, one end of the unlocking piece 13 abuts against one end of the wire pull piece 14, and the middle part of the wire pull piece 14 is rotatably connected to the handle base 11;

[0028] The locking device is used to be arranged on the inner side of the door panel and is used to lock the door panel. The other end of the pull wire paddle 14 is transmission-connected to the locking device via the pull wire.

[0029] Specifically, the key column 12 has a locking function. When a key is inserted into the keyhole outside the key column 12, the key column 12 cannot be pushed to move inward when the key column 12 is locked. By rotating the key 180 degrees to unlock the key column 12, the key column 12 can be pushed to move inward. Secondly, the pull wire paddle 14 is located on the inner side of the unlocking plate 13.

[0030] In this embodiment, after the key column 12 is unlocked, the key column 12 is pushed to move inward, and the key column 12 is used to abut against the unlocking plate 13, and the middle part of the unlocking plate 13 is rotated and connected to the handle base 11, thereby driving the unlocking plate 13 to rotate; the unlocking plate 13 is used to abut against the pull-wire paddle 14, and the middle part of the pull-wire paddle 14 is rotated and connected to the handle base 11, thereby driving the pull-wire paddle 14 to rotate; the pull-wire paddle 14 and the locking device are connected by a pull wire, thereby driving the locking device to unlock.

[0031] Therefore, by setting the handle device to a structure including the key column 12, the unlocking piece 13, the pull-wire paddle 14 and the pull wire, the key column 12 is used to drive the unlocking piece 13, the pull-wire paddle 14 and the pull wire in sequence, and the pull wire is used to drive the lock device to unlock, and the lock device and the handle device are connected by the pull wire. Then, when the lock device and the handle device are set at different positions of the door panel, the lock device can be unlocked more easily by the handle device.

[0032] Secondly, by providing the handle base 11 , it is convenient to assemble the unlocking piece 13 and the wire pulling piece 14 .

[0033] Alternatively, if Figure 1 and Figure 2 As shown, the other end of the unlocking piece 13 extends outside the contour of the handle base 11 .

[0034] In this embodiment, by extending the other end of the unlocking piece 13 to the outside of the contour of the handle base 11, since the unlocking piece 13 is located on the inner side of the door panel, that is, inside the door, the user can directly act on the other end of the unlocking piece 13 to drive the unlocking piece 13 to rotate, thereby utilizing the unlocking piece 13 to sequentially drive the pull wire paddle 14 and the pull wire to unlock the locking device.

[0035] Secondly, after the key column 12 is unlocked outside the door, the key column 12 is pressed to drive the unlocking piece 13 to rotate, so that the unlocking piece 13 drives the pull wire paddle 14 and the pull wire in turn to unlock the lock device.

[0036] Alternatively, if Figure 1 and Figure 2 As shown, a first connecting plate 3 is disposed on the handle base 11 , and a first wire drawing groove 31 is formed on the first connecting plate 3 , through which the wire passes.

[0037] Specifically, the first connecting plate 3 is provided with a first docking hole in the radial direction of the first wire pulling groove 31 , and the wire is passed through the first docking hole and then arranged in the first wire pulling groove 31 .

[0038] In this embodiment, by setting up a first connecting plate 3 and opening a first wire drawing groove 31 on the first connecting plate 3, the wire drawing can be positioned by passing the wire through the first wire drawing groove 31, ensuring that the wire drawing can be easily connected to the locking device after passing through the first connecting hole 51.

[0039] Alternatively, if Figure 2 As shown, one end of the pull wire paddle 14 is provided with a contact piece 4, the contact piece 4 is located on the inner side of the unlocking piece 13 and is used to abut against the unlocking piece 13, and the other end of the pull wire paddle 14 is provided with a connecting piece 5, the connecting piece 5 is used to connect the pull wire.

[0040] Specifically, when the wire pull paddle 14 is arranged at the upper end of the unlocking piece 13, the lower end of the wire pull paddle 14 is provided with an abutting piece 4, and the upper end of the wire pull paddle 14 is provided with a connecting piece 5. When the wire pull paddle 14 is arranged at the lower end of the unlocking piece 13, the upper end of the wire pull paddle 14 is provided with an abutting piece 4, and the lower end of the wire pull paddle 14 is provided with a connecting piece 5. Secondly, a first fixing hole 52 is opened on the connecting piece 5, and one end of the pull wire is connected to the first fixing hole 52.

[0041] In this embodiment, the wire pull paddle 14 is set at the upper end of the unlocking piece 13 as an example. The unlocking piece 13 is rotatably connected to the handle base 11 through a first movable shaft, and the axial direction of the first movable shaft is oriented in the vertical direction. The wire pull paddle 14 is rotatably connected to the handle base 11 through a second movable shaft, and the axial direction of the second movable shaft is oriented in the left and right direction. The left end of the unlocking piece 13 is grounded with the abutment piece 4, and the right end of the unlocking piece 13 extends to the outside of the contour of the handle base 11. The unlocking piece 13 rotates to push the lower end of the abutment piece 4 to move inward, thereby driving the wire pull paddle 14 to rotate, so that the connecting piece 5 moves outward, so as to pull the wire to unlock the lock device.

[0042] Alternatively, if Figure 1 and Figure 2 As shown, the handle device also includes a spring, a first connecting hole 51 is opened on the connecting plate 5, a second connecting hole 32 is opened on the first connecting plate 3, one end of the spring is connected to the first connecting hole 51, and the other end of the spring is connected to the second connecting hole 32.

[0043] In this embodiment, a spring is provided, a first connection hole 51 is formed on the connection sheet 5, and a second connection hole 32 is formed on the first connection plate 3, and both ends of the spring are respectively connected to the first connection hole 51 and the second connection hole 32. When the pull wire paddle 14 rotates and the pull wire is pulled to unlock the lock device, the spring can drive the pull wire paddle 14 to rotate in the opposite direction, driving the pull wire to return to its original position.

[0044] Alternatively, if Figure 3 and Figure 4 As shown, the lock device includes a lock base 21, a lock paddle 22, a lock 23 and a locking column 24. The lock base 21 is used to be set on the inner side of the door panel, the middle part of the lock paddle 22 is rotatably connected to the lock base 21, one end of the lock paddle 22 is connected to the pull wire, and the other end of the lock paddle 22 is used to abut against one end of the lock 23, the middle part of the lock 23 is rotatably connected to the lock base 21, the locking column 24 is set on the lock base 21, and the other end of the lock 23 is used to limit the locking column 24.

[0045] Specifically, a second fixing hole 221 is formed on the lock paddle 22 , and the other end of the pull wire is connected to the second fixing hole 221 .

[0046] In this embodiment, the pull wire paddle 14 and the lock paddle 22 are connected by a pull wire. The pull wire paddle 14 rotates to drive the pull wire, and the lock paddle 22 is driven to rotate by the pull wire. During the rotation of the lock paddle 22, the lock 23 is driven to rotate, so that the lock 23 is separated from the locking column 24, thereby achieving unlocking.

[0047] Alternatively, if Figure 3 As shown, a second connecting plate 6 is disposed on the lock base 21 , and a second wire drawing groove 61 is opened on the second connecting plate 6 , and the wire passes through the second wire drawing groove 61 .

[0048] Specifically, the second connecting plate 6 is provided with a second docking hole in the radial direction of the second wire pulling groove 61 , and the pulling wire passes through the second docking hole and is arranged in the second wire pulling groove 61 .

[0049] In this embodiment, a second connecting plate 6 is provided and a second wire drawing groove 61 is opened on the second connecting plate 6. The wire drawing can be positioned by passing the wire through the second wire drawing groove 61, ensuring that the wire can be easily connected to the lock paddle 22 after passing through the second wire drawing groove 61.

[0050] Alternatively, if Figure 3 As shown, the locking device also includes a limiting plate 7, one side of the locking base 21 is opened, the locking paddle 22, the lock 23 and the locking column 24 are all set from the opening to the inside of the locking base 21, and the limiting plate 7 is used to be set at the opening and connected to the locking base 21.

[0051] In this embodiment, by opening the lock base 21, the lock paddle 22, the lock buckle 23 and the locking column 24 can be easily installed on the lock base 21 through the opening. A limiting plate 7 is provided at the opening, and the locking paddle 22, the lock buckle 23 and the locking column 24 can be limited by the limiting plate 7 to prevent the locking paddle 22, the lock buckle 23 and the locking column 24 from being separated from the lock base 21.

[0052] Optionally, two locking devices are provided on the door panel, and the pull-wire paddles 14 are provided at both upper and lower ends of the unlocking piece 13 , and the two pull-wire paddles 14 are connected to the two locking devices in a one-to-one correspondence through pull wires.

[0053] Specifically, Figure 2 As shown, first connecting plates 3 are provided at both upper and lower ends of the handle base 11 .

[0054] In this embodiment, two locking devices are provided, and pull-wire paddles 14 are provided at both the upper and lower ends of the unlocking piece 13, so that the two pull-wire paddles 14 are respectively connected to the two locking devices through pull wires. On the one hand, by providing two locking devices, the door panel can be locked more stably, and on the other hand, by using one unlocking piece 13 to drive two pull-wire paddles 14, the two locking devices can be unlocked at the same time, which is conducive to achieving rapid unlocking.

[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sliding door lock, applied to a door panel, wherein a handle (8) is provided on the outer side of the door panel, characterized in that: The sliding door lock comprises a handle device and a lock device; The handle device comprises a handle base (11), a key column (12), an unlocking piece (13), a wire pull piece (14) and a pull wire, wherein the handle base (11) is arranged on the inner side of the door panel, the key column (12) is slidably connected to the handle base (11) along the inner and outer directions, the inner side of the key column (12) is used to abut against the unlocking piece (13), the middle part of the unlocking piece (13) is rotatably connected to the handle base (11), one end of the unlocking piece (13) abuts against one end of the wire pull piece (14), and the middle part of the wire pull piece (14) is rotatably connected to the handle base (11); The locking device is used to be arranged on the inner side of the door panel and to lock the door panel, and the other end of the pull wire paddle (14) is transmission-connected to the locking device via the pull wire.

2. The sliding door lock according to claim 1, characterized in that: The other end of the unlocking piece (13) extends outside the contour of the handle base (11).

3. The sliding door lock according to claim 1, characterized in that: A first connecting plate (3) is provided on the handle base (11), a first wire drawing groove (31) is provided on the first connecting plate (3), and the wire drawing groove (31) passes through the first wire drawing groove (31).

4. The sliding door lock according to claim 1, characterized in that: A contact piece (4) is provided at one end of the wire pull paddle (14), the contact piece (4) is located on the inner side of the unlocking piece (13) and is used to abut against the unlocking piece (13), and a connecting piece (5) is provided at the other end of the wire pull paddle (14), the connecting piece (5) is used to connect the wire.

5. The sliding door lock according to claim 4, characterized in that: The handle device also includes a spring, a first connecting hole (51) is formed on the connecting plate (5), a second connecting hole (32) is formed on the pull-wire paddle (14), one end of the spring is connected to the first connecting hole (51), and the other end of the spring is connected to the second connecting hole (32).

6. The sliding door lock according to claim 5, characterized in that: The lock device comprises a lock base (21), a lock paddle (22), a lock (23) and a locking column (24); the lock base (21) is used to be arranged on the inner side of the door panel; the middle part of the lock paddle (22) is rotatably connected to the lock base (21); one end of the lock paddle (22) is connected to the pull wire; the other end of the lock paddle (22) is used to abut against one end of the lock (23); the middle part of the lock (23) is rotatably connected to the lock base (21); the locking column (24) is arranged on the lock base (21); and the other end of the lock (23) is used to limit the locking column (24).

7. The sliding door lock according to claim 6, characterized in that: The lock base (21) is provided with a second connecting plate (6), the second connecting plate (6) is provided with a second wire drawing groove (61), and the wire drawing groove (61) passes through the second wire drawing groove (61).

8. The sliding door lock according to claim 6, characterized in that: The locking device further comprises a limiting plate (7), one side of the locking base (21) is open, the locking paddle (22), the locking buckle (23) and the locking column (24) are all arranged in the locking base (21) from the opening, and the limiting plate (7) is used to be arranged at the opening and connected to the locking base (21).

9. The sliding door lock according to claim 1, characterized in that: Two locking devices are arranged on the door panel, and the upper and lower ends of the unlocking plate (13) are both provided with the pull-wire paddles (14), and the two pull-wire paddles (14) are connected to the two locking devices in a one-to-one correspondence via pull wires.

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