Door lock structure

Abstract

The utility model discloses a door lock structure, which comprises a cover plate in which a lock block capable of extending out or retracting is rotatably arranged; the shell is connected with the cover plate, and an opening is formed in the face, corresponding to the inner side of the door leaf, of the shell; the abutting block is arranged in the shell in a resettable and sliding mode, an abutting part which is matched with the locking block in an abutting or separating mode is arranged on the abutting block, when the abutting part and the locking block are in an abutting state, the locking block retracts into the cover plate, when the abutting part and the locking block are in a separating state, the locking block stretches out of the cover plate, and a matching face is arranged on the abutting block; and an operating block, a locking block and an unlocking piece. The door lock is reasonable in structural design, the opening is formed in the single face of the shell, the unlocking piece, the operating block, the locking block and the abutting block are arranged, the operating block is shifted for locking, the unlocking piece is pressed for unlocking, and therefore locking and unlocking actions of the locking block can be completed, the overall attractiveness of a door leaf is better, and the effect of hiding a back locking key is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, and more specifically to a door lock structure. Background Art

[0002] The existing door lock is provided with a push-to-unlock block on both the inner and outer sides of the door leaf, and a reverse lock key is provided on the inner side of the door leaf. The reverse lock key is exposed on the surface of the door leaf, which is not only unsightly, but also poses a certain safety hazard to the human body or clothing. Therefore, how to improve the reverse lock structure of the door lock has become the direction of our thinking. Summary of the invention

[0003] The utility model overcomes the shortcomings of the prior art and provides a door lock structure with a reasonable structural design. An opening is set on a single side of the shell, and an unlocking piece, an operating block, a locking block and an abutment block are set. The operating block is locked by toggling it, and the unlocking piece is pressed to unlock it. In this way, the locking and unlocking actions of the lock block can be completed, so that the overall aesthetics of the door leaf is better and the effect of hiding the anti-lock key is achieved.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A door lock structure, comprising:

[0006] A lock housing, in which a lock block is rotatably arranged to extend or retract therein, and an opening is arranged on a surface corresponding to the inner side of the door leaf;

[0007] An abutment block is slidably disposed in the lock housing and can move closer to or farther from the lock block, and is connected to an abutment reset member that causes it to slide and reset. The abutment block is provided with an abutment portion that can abut against the lock block, and the abutment portion can push the lock block to retract into the lock housing. When the lock block is not pushed by the abutment portion, it is in a state of extending out of the lock housing. A mating surface is provided on the abutment block;

[0008] An operating block is slidably arranged in the lock housing so as to move closer to or away from the abutment block, and is connected to an operating reset member for causing the operating block to slide and reset. The operating block is provided with a locking portion and an abutment surface that matches the mating surface. The operating block causes the abutment block to move away from the locking block through the cooperation between the mating surface and the abutment surface. A toggle portion is provided on the operating block near the opening.

[0009] The locking block is rotatably arranged in the lock housing and is connected to a locking reset member that promotes its rotation and reset. The locking block is provided with a matching portion, and the matching portion and the locking portion constitute a locking or disengaging match when the matching portion moves perpendicular to the sliding direction of the operating block. The matching portion cooperates with the locking portion on the moving path of the operating block close to the abutment block to achieve a locking action;

[0010] The unlocking piece is rotatably arranged at the position of the lock shell at the opening in a resettable manner, and can be rotated to abut against the locking block and cause the matching part to be disengaged from the locking part.

[0011] Preferably, the locking portion is configured as a hole body, and the matching portion is configured as a pin shaft matched with the hole body.

[0012] Preferably, the lock case includes a cover plate and a shell body connected to each other, an opening is provided on the shell body, the cover plate includes a panel portion which is fixed or integrally provided and an embedded portion which is located in the shell body and connected to the shell body, a magnet 1 is fixedly arranged in the embedded portion, a lock block is hinged in the embedded portion, and also includes a frame cover body, a frame cover body is provided with a accommodating groove which is arranged opposite to the lock block, and a magnet 2 which is arranged opposite to the magnet 1 and has different magnetic properties.

[0013] Preferably, the unlocking piece includes two pieces hinged to each other, the two pieces are connected by a first hinge shaft, and a first torsion spring is installed on the first hinge shaft, with two ends respectively abutting against the two pieces; one of the pieces away from the cover plate is hinged to the shell by a second hinge shaft, and a second torsion spring is installed on the second hinge shaft, with two ends respectively abutting against the piece and the shell.

[0014] Preferably, a hooking portion is provided on the operating block, a hooking column is provided in the shell, a tension spring is connected between the hooking column and the hooking portion, and the tension spring is an operating reset member.

[0015] Preferably, a mounting frame is provided in the shell, and a hinged end and a locking end are provided on the locking block, the hinged end is hinged on the mounting frame, the matching part is provided on the locking end, and a compression spring is arranged between a side of the locking end facing away from the matching part and the shell, and the compression spring is a locking reset member, a recessed groove abutting against the unlocking piece is provided on the locking block, a guide part is also provided on the locking block, a guide groove matching with the guide part is provided in the shell, and a limited position section is also provided on one side of the matching part in the shell.

[0016] Preferably, a mounting block is provided in the shell, a spring is connected between one end of the abutment block away from the abutment portion and the mounting block, the spring is an abutment reset member, and a guide sheet for the abutment portion to pass through is provided in the shell.

[0017] Preferably, both the operating block and the abutting block are provided with sliding blocks, and a sliding groove is provided on the housing at a position corresponding to the sliding block.

[0018] Preferably, the locking block includes a hinged portion and a locking tongue portion and a resisting portion located at both ends of the hinged portion, and a counterweight is provided on the locking tongue portion or a torsion spring is provided on the hinged portion, so that the resisting portion can maintain the locking tongue portion extending out of the lock shell when the resisting portion is not pushed by the resisting portion.

[0019] Preferably, a magnetic member is provided on the lock tongue portion.

[0020] Beneficial effects of the utility model:

[0021] The utility model has a reasonable structural design. An opening is set on a single side of the shell, and an unlocking piece, an operating block, a locking block and an abutting block are set. The operating block is locked by toggling it, and the unlocking piece is pressed to unlock it. In this way, the locking and unlocking actions of the lock block can be completed, which makes the overall aesthetics of the door leaf better and achieves the effect of hiding the anti-lock key. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the utility model without the frame cover Figure 1 ;

[0024] Figure 3 This is a schematic diagram of the structure of the utility model without the frame cover Figure 2 ;

[0025] Figure 4 This is a schematic diagram of the structure of the frame cover body according to a specific embodiment of the utility model;

[0026] Figure 5 It is a cross-sectional view of a frame cover body according to a specific embodiment of the utility model;

[0027] Figure 6 This is a schematic diagram of the internal structure of the housing according to a specific embodiment of the utility model;

[0028] Figure 7 This is a schematic diagram of the structure of the cover plate according to a specific embodiment of the utility model;

[0029] Figure 8 It is a cross-sectional view of a cover plate according to a specific embodiment of the utility model;

[0030] Fig. 9 It is a structural schematic diagram reflecting the locking block, the abutting block, the operating block and the locking block in a specific embodiment of the utility model;

[0031] Fig.10 It is a structural schematic diagram reflecting the abutment block, the operating block and the locking block in a specific embodiment of the utility model;

[0032] Fig.11 It is a structural schematic diagram reflecting the operating block of a specific embodiment of the utility model;

[0033] Fig.12 It is a structural schematic diagram reflecting the locking block of a specific embodiment of the utility model;

[0034] Fig.13 It is a structural schematic diagram of the abutment block in a specific embodiment of the utility model;

[0035] Fig.14 This is a schematic diagram of the structure of the locking block according to a specific embodiment of the utility model;

[0036] Fig.15 It is a partial structural schematic diagram of a housing according to a specific embodiment of the present utility model.

[0037] In the figure: 100, lock housing; 1, cover plate; 11, panel portion; 12, embedded portion; 13, magnet 1; 2, lock block; 21, hinge portion; 22, lock tongue portion; 23, abutment portion; 24, magnetic member; 3, housing; 31, opening; 32, hook column; 33, mounting frame; 34, guide groove; 35, limit section; 36, mounting block; 37, guide sheet; 38, slide groove; 4, abutment block; 41, abutment portion; 42, mating surface; 43, spring; 44 , slider; 5, operating block; 51, locking part; 52, abutting surface; 53, toggle part; 54, hooking part; 55, tension spring; 6, locking block; 61, matching part; 62, hinged end; 63, locking end; 64, compression spring; 65, recessed groove; 66, guide part; 7, unlocking piece; 71, piece body; 72, first hinge axis; 73, first torsion spring; 74, second hinge axis; 75, second torsion spring; 8, frame cover body; 81, accommodating groove; 82, magnet two. DETAILED DESCRIPTION

[0038] 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 in 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.

[0039] like Figure 1-15As shown, a door lock structure comprises: a cover plate 1, in which a lock block 2 which can be extended or retracted is rotatably arranged; a shell 3, which is connected to the cover plate 1 and has an opening 31 on one side of the inner side of the door leaf; an abutment block 4, which is resettable and slidably arranged in the shell 3, and is provided with an abutment portion 41 which abuts or separates with the lock block 2, when the abutment portion 41 and the lock block 2 are in an abutting state, the lock block 2 retracts into the cover plate 1, and when the abutment portion 41 and the lock block 2 are in a separated state, the lock block 2 extends out of the cover plate 1, and a matching surface 42 is provided on the abutment block 4; an operating block 5, which can be close to abutting the abutment block 4 or away from the abutment block 4 and can be resettable and slidably arranged in the shell 3 , and a locking portion 51 and an abutting surface 52 that forms an inclined surface with the matching surface 42 are provided on it, the locking portion 51 realizes a locking action on the moving path of the operating block 5 close to the abutting block 4, and a toggle portion 53 is provided on the operating block 5 near the opening 31; the locking block 6, which is resettably rotatably arranged in the shell 3, and a matching portion 61 is provided on it, the matching portion 61 and the locking portion 51 constitute a locking or disengaging match when moving along the matching portion 61 perpendicular to the sliding direction of the operating block 5; the unlocking piece 7, which is resettably rotatably arranged at the position of the shell 3 located at the opening 31, and it can be rotated to abut against the locking block 6 and cause the matching portion 61 to disengage from the locking portion 51.

[0040] By adopting the above technical solution, in the specific implementation, the housing 3 and the cover plate 1 are installed on the side of the door leaf, and an opening 31 is provided on the housing 3 on the side corresponding to the inner side of the door leaf, the unlocking piece 7 is rotatably arranged at the opening 31, and the position corresponding to the opening 31 on the door leaf also has an opening, and the unlocking piece 7 is fixedly connected to the pressing piece, and the pressing piece is in the opening, so that when it is not pressed and used, the inner side of the door leaf will be in a completely flat state, with good hidden aesthetics. Among them, when performing reverse locking, first press the unlocking piece 7 downward for a certain distance, and use the finger to move the toggle part 53 to operate the operating block 5 to move toward the abutting block 4. During the movement of the abutting block 4, the abutting surface 52 and the matching surface 42 are matched with the inclined surface, driving the abutting block 4 to move away from the locking block 2, and the abutting part 41 is separated from the locking block 2, and the locking part 51 will be locked and matched with the matching part 61, wherein the locking part 51 can be a lock hole, and the matching part 61 can be a lock column, and the two can play a locking match. In this way, the lock block 2 will rotate and extend out of the cover plate 1, thereby completing the anti-locking action. When unlocking, by pressing the unlocking piece 7, the unlocking piece 7 is pressed against the recessed groove 65 of the lock block 6, and the lock block 6 is driven to move downward, so that the matching portion 61 is separated from the lock portion 51, so that under the reset force of the reset member, the reset member can be a tension spring 55, the operating block 5 will move up, the abutting surface 52 is separated from the abutting match with the matching surface 42, and the abutting block 4 moves to the left under the action of the reset force, so that the abutting portion 41 is re-abutted on the lock block 2, and the lock block 2 is retracted to the cover plate 1, thus completing the unlocking action. Among them, the above-mentioned unlocking action and anti-locking action are both hidden operations, which can be achieved without setting an exposed unlocking key and anti-locking key.

[0041] As an improved specific embodiment, the cover plate 1 and the shell 3 constitute a lock case 100, the cover plate 1 includes a panel portion 11 that is fixed or integrally arranged, and an embedded portion 12 located in the shell 3 and connected to the shell 3, a magnet 13 is fixedly arranged in the embedded portion 12, and the lock block 2 is hinged in the embedded portion 12; it also includes a frame cover body 8, the frame cover body 8 is provided with a accommodating groove 81 arranged opposite to the lock block 2 and a magnet 2 82 arranged opposite to the magnet 13 and having different magnetic properties.

[0042] By adopting the above technical solution, the cover plate 1 is connected to the housing 3 through the embedded part 12, and the embedded part 12 is also used to install the lock block 2 and the magnet 1 13; and the frame cover body 8 is installed on the door frame in the specific implementation, and is arranged opposite to the cover plate 1. The arrangement of the receiving groove 81 allows the lock block 2 to be located in the receiving groove 81 after it extends out of the cover plate 1, thereby fixing the door leaf. When the door leaf is normally closed and not locked, the magnetic force of the magnet 1 13 and the magnet 2 82 is used to attract each other, thereby fixing and closing the door leaf, and the door leaf can be easily opened by applying a certain force by hand.

[0043] As an improved specific embodiment, the unlocking piece 7 includes two pieces 71 hinged to each other, and the two pieces 71 are connected by a first hinge shaft 72, and a first torsion spring 73 is installed on the first hinge shaft 72, and two ends of the first torsion spring 73 are respectively abutted against the two pieces 71; one of the pieces 71 away from the cover plate 1 is hinged to the shell 3 through a second hinge shaft 74, and a second torsion spring 75 is installed on the second hinge shaft 74, and two ends of the second torsion spring 75 are respectively abutted against the piece 71 and the shell 3.

[0044] By adopting the above technical solution, the unlocking piece 7 is configured as two pieces 71, so that the overall thickness of the shell 3 can be reduced, making the shell 3 more compact as a whole. Of course, it is also feasible to directly hinge the unlocking piece 7 on the shell 3.

[0045] As an improved specific implementation manner, a hook portion 54 is provided on the operating block 5, a hook column 32 is provided in the shell body 3, and a tension spring 55 is connected between the hook column 32 and the hook portion 54; a mounting frame 33 is provided in the shell body 3, and a hinged end 62 and a locking end 63 are provided on the locking block 6, the hinged end 62 is hinged on the mounting frame 33, the matching portion 61 is provided on the locking end 63, and a compression spring 64 is arranged between the side of the locking end 63 away from the matching portion 61 and the shell body 3, and a recessed groove 65 abutting against the unlocking piece 7 is provided on the locking block 6; a guide portion 66 is also provided on the locking block 6, a guide groove 34 cooperating with the guide portion 66 is provided in the shell body 3, and a limited position section 35 is also provided on one side of the matching portion 61 in the shell body 3; a mounting block 36 is provided in the shell body 3, a spring 43 is connected between the end of the abutting block 4 away from the abutting portion 41 and the mounting block 36, and a guide piece 37 for the abutting portion 41 to pass through is provided in the shell body 3.

[0046] By adopting the above technical solution, a tension spring 55 is provided to realize the reset of the operating block 5, and the locking block 6 is hinged to the mounting frame 33, and the compression spring 64 is provided, so that the locking block 6 can be rotated and elastically reset. The provision of the recessed groove 65 on the locking block 6 facilitates the abutment with the unlocking piece 7, and can increase the abutment stroke of the unlocking piece 7, so that the finger can be inserted into the opening 31 and the toggle part 53 is convenient. The matching setting of the guide part 66 and the guide groove 34 makes the rotation and movement of the locking block 6 more stable and accurate, so that the locking and unlocking matching of the matching part 61 and the locking part 51 is more accurate. The limiting section 35 can be set as an arc section, and the setting of the limiting section 35 further ensures the accuracy of the movement of the matching part 61. The setting of the spring 43 provides elastic restoring force for the abutting block 4. The setting of the guide piece 37 improves the good guiding property of the movement of the abutting part 41, so that the abutting part 41 can accurately drive the locking block 2 to rotate.

[0047] As an improved specific implementation manner, a slider 44 is disposed on both the operating block 5 and the abutting block 4 , and a slide groove 38 is disposed on the housing 3 at a position corresponding to the slider 44 .

[0048] By adopting the above technical solution, the matching arrangement of the slider 44 and the slide groove 38 makes the sliding of the operating block 5 and the abutment block 4 more stable and accurate, and the slider 44 can be arranged on both sides of the operating block 5 and the abutment block 4, and the slide groove 38 can also be arranged on both surfaces of the shell 3, so that the sliding of the operating block 5 and the abutment block 4 is smoother and more stable.

[0049] As an improved specific implementation, the locking block 2 includes a hinge portion 21 and a locking tongue portion 22 and a resisting portion 23 located at both ends of the hinge portion 21 . The mass of the locking tongue portion 22 is greater than the mass of the resisting portion 23 , and a magnetic member is provided on the locking tongue portion 22 .

[0050] By adopting the above technical solution, by making the mass of the lock tongue part 22 greater than the mass of the abutment part 23, that is, a counterweight block (not shown in the figure) is provided on the lock tongue part 22, so that when the abutment part 23 is not abutted by the abutment part 41, the lock block 2 can be rotated by the deadweight of the lock tongue part 22, so that the lock tongue part 22 extends out of the cover plate 1 to complete the reverse locking, or a torsion spring (not shown in the figure) is provided on the hinge part 21, so that the lock tongue part 22 can also achieve a reset action. When the abutment part 41 presses on the abutment part 23, the lock block 2 will rotate and retract into the cover plate 1, thereby achieving an unlocking action. Among them, a magnetic piece is provided on the lock tongue part 22. In an unexpected situation, a magnetic block can be placed at the position of the door leaf corresponding to the lock tongue part 22, and the unlocking action can be achieved by rotating the magnetic block, wherein the magnetic piece can also play a role in increasing the counterweight of the lock tongue part 22.

[0051] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A door lock structure, characterized in that: include: A lock housing (100) is provided with a lock block (2) which can be extended or retracted therein and is rotatably disposed therein, and an opening (31) is provided on a surface of the lock housing corresponding to the inner side of the door leaf; An abutment block (4) is slidably arranged in the lock housing (100) so as to move closer to or farther from the lock block (2), and is connected to an abutment reset member for urging the abutment block (4) to slide back. The abutment block (4) is provided with an abutment portion (41) which can abut against the lock block (2), and the abutment portion (41) can push the lock block (2) to retract into the lock housing (100). When the lock block (2) is not pushed by the abutment portion (41), it is in a state of extending out of the lock housing (100). A mating surface (42) is provided on the abutment block (4); An operating block (5) is slidably arranged in the lock housing (100) so as to move closer to or further away from the abutting block (4), and is connected to an operating reset member for causing the operating block to slide and reset. The operating block (5) is provided with a locking portion (51) and an abutting surface (52) that matches the matching surface (42). The operating block (5) causes the abutting block (4) to move away from the locking block (2) through the matching of the matching surface (42) and the abutting surface (52). A toggle portion (53) is provided on the operating block (5) near the opening (31); A locking block (6) is rotatably arranged in a lock housing (100) and is connected to a locking reset member for urging the locking block (6) to rotate and reset. A matching portion (61) is arranged on the locking block (6). The matching portion (61) and the locking portion (51) form a locking or disengaging match when the matching portion (61) moves perpendicularly to the sliding direction of the operating block (5). The matching portion (61) cooperates with the locking portion (51) on the moving path of the operating block (5) close to the abutment block (4) to achieve a locking action. The unlocking piece (7) is rotatably arranged at a position of the lock housing (100) located at the opening (31) and can be rotated to abut against the locking block (6) and cause the matching portion (61) to disengage from the locking portion (51).

2. A door lock structure according to claim 1, characterized in that: The locking block (2) comprises a hinged portion (21) and a locking tongue portion (22) and a resisting portion (23) located at two ends of the hinged portion (21).

3. A door lock structure according to claim 2, characterized in that: A counterweight is provided on the lock tongue portion (22) or a torsion spring is provided on the hinge portion (21), so that when the abutment portion (23) is not pushed by the abutment portion (41), the lock tongue portion (22) is kept protruding from the lock housing (100).

4. A door lock structure according to claim 2 or 3, characterized in that: A magnetic piece (24) is arranged on the locking tongue portion (22).

5. A door lock structure according to claim 1, 2 or 3, characterized in that: The locking portion (51) is configured as a hole body, the matching portion (61) is configured as a pin shaft matched with the hole body, and the abutting surface (52) and the matching surface (42) form an inclined surface match.

6. A door lock structure according to claim 5, characterized in that: The lock case (100) comprises a cover plate (1) and a shell (3) connected to each other, an opening (31) being arranged on the shell (3), the cover plate (1) comprising a panel portion (11) fixed or integrally arranged and an embedding portion (12) located in the shell (3) and connected to the shell (3), a magnet 1 (13) being fixedly arranged in the embedding portion (12), a lock block (2) being hinged in the embedding portion (12), and a frame cover (8) being arranged on the frame cover (8) with a receiving groove (81) arranged opposite to the lock block (2) and a magnet 2 (82) arranged opposite to the magnet 1 (13) and having a different magnetic property.

7. A door lock structure according to claim 6, characterized in that: The unlocking piece (7) comprises two pieces (71) hinged to each other, the two pieces (71) are connected via a first hinge shaft (72), and a first torsion spring (73) is mounted on the first hinge shaft (72), with two ends respectively abutting against the two pieces (71); one of the pieces (71) away from the cover plate (1) is hinged to the housing (3) via a second hinge shaft (74), and a second torsion spring (75) is mounted on the second hinge shaft (74), with two ends respectively abutting against the piece (71) and the housing (3).

8. A door lock structure according to claim 7, characterized in that: The operating block (5) is provided with a hooking portion (54), a hooking column (32) is provided in the housing (3), a tension spring (55) is connected between the hooking column (32) and the hooking portion (54), and the tension spring (55) is an operating reset member; a mounting frame (33) is provided in the housing (3), and a hinged end (62) and a locking end (63) are provided on the locking block (6), the hinged end (62) is hinged on the mounting frame (33), and the matching portion (61) is provided on the locking end ( A compression spring (64) is arranged between a side of the locking end (63) facing away from the matching portion (61) and the housing (3), and the compression spring (64) is a locking reset member; a mounting block (36) is arranged in the housing (3), a spring (43) is connected between an end of the abutment block (4) away from the abutment portion (41) and the mounting block (36), and the spring (43) is an abutment reset member; a guide sheet (37) is arranged in the housing (3) for the abutment portion (41) to pass through.

9. A door lock structure according to claim 8, characterized in that: The locking block (6) is also provided with a guide portion (66), and the housing (3) is provided with a guide groove (34) that matches the guide portion (66).

10. A door lock structure according to claim 8 or 9, characterized in that: The locking block (6) is provided with a recessed groove (65) that abuts against the unlocking piece (7).

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