Handle door lock

Abstract

The utility model relates to a handle door lock, which comprises a lock body, a square rod, an inner handle and an outer handle, the inner handle and the outer handle are positioned on two sides of the lock body, the square rod is connected with the inner handle and the outer handle, the inner handle comprises an inner handle and an inner handle seat synchronously rotating with the inner handle, and the outer handle comprises an outer handle and an outer handle seat synchronously rotating with the outer handle. The inner handle seat and the outer handle seat are both provided with shaft holes matched with the square rod, a stop piece and a spring are arranged in the outer handle, the stop piece is provided with a square hole for the square rod to penetrate through, the spring is arranged outside the square rod in a sleeved mode and abuts against the stop piece, an inclined face is arranged on the outer handle seat, the stop piece is arranged on the inclined face in a pressed mode through the spring, and the square rod is sleeved with the spring. A notch is formed in the side wall of the outer handle base so that an external unlocking piece can be inserted into the outer handle base, the locking piece can be shifted right in a sliding mode, and an unlocking groove hole is formed in the position, corresponding to the notch, of the outer handle. By the adoption of the technical scheme, the handle door lock can be rapidly disassembled and assembled, and after installation, the square rod is firmly connected with the inner handle and the outer handle.

Description

Technical Field

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

[0002] Handle door locks are widely used in all walks of life, especially in home life. A handle door lock includes an outer handle and an inner handle, and the two are connected by a linkage square rod.

[0003] For the existing handle door locks, the fixing methods between the linkage square rod and the inner and outer handles include snap ring fixing or setscrew (screw) fixing. However, these fixing methods are not fast and not very convenient to use. Summary of the Utility Model

[0004] The purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a handle door lock, which can realize quick disassembly and assembly, and after installation, the connection between the square rod and the inner and outer handles is firm.

[0005] The technical solution of the utility model: A handle door lock includes a lock body, a square rod, an inner handle and an outer handle located on both sides of the lock body. The square rod connects the inner handle and the outer handle. The inner handle includes an inner handle and an inner handle seat that rotates synchronously with the inner handle. The outer handle includes an outer handle and an outer handle seat that rotates synchronously with the outer handle. Axial holes matching with the square rod are provided on both the inner and outer handle seats. A stop piece and a spring are arranged inside the outer handle. A square hole for the square rod to pass through is provided on the stop piece. The spring is sleeved outside the square rod and is arranged in contact with the stop piece. An inclined surface is provided on the outer handle seat, and the stop piece is pressed on the inclined surface by the spring. A notch is provided on the side wall of the outer handle seat to enable an external unlocking member to be inserted and slide to correct the stop piece. An unlocking slot hole is provided on the outer handle corresponding to the notch.

[0006] By adopting the above technical solution, the stop piece is inclined to lock the square rod. The spring tightly presses the stop piece against the outer handle seat, increasing the locking effect of the stop piece on the square rod. When unlocking, insert an external unlocking tool from the unlocking slot hole, with the end located at the notch, and then slide the unlocking tool, which can push against the stop piece and correct it. The stop piece compresses the spring, and at this time, the square rod is unlocked and can be disassembled. After the unlocking tool is pulled out, the stop piece returns to its original position under the action of the spring. The structure is simple, the operation is convenient and fast, and it does not affect the locking of the square rod.

[0007] The further setting of the utility model: Both the inner handle and the outer handle include a handle sleeve and a handle part. The handle seat rotates synchronously with the handle part. The handle part is made of a metal material, and the handle sleeve is a plastic part, and the handle sleeve is injection-molded outside the handle part.

[0008] With the above further settings, without affecting the firmness of the handle, it can not only provide a better feel, but also effectively save the overall production cost and reduce the weight of the door lock. It can effectively exert the strength and durability of the metal while making use of the lightness of the plastic.

[0009] A further setting of the present utility model: protective plates are sleeved outside both the inner and outer handle seats. A torsion spring for resetting the handle is sleeved on the two handle seats. The torsion spring is located inside the protective plate, and one end thereof is connected to the protective plate. A cover plate is provided on the handle seat inside the torsion spring, and the cover plate is connected to the protective plate.

[0010] With the above further setting, the torsion spring is covered by the cover plate so that it is not exposed, making it more beautiful, and can also play a protective role for the torsion spring.

[0011] A further further setting of the present utility model: it further includes an anti-lock component. The anti-lock component includes a lock core, an anti-lock knob for driving the lock core to rotate, and connecting plates on both sides of the lock body. The two connecting plates are sleeved on the outer periphery of the lock core. A threaded rod is provided on one of the connecting plates, and a connecting column is provided on the other connecting plate. A threaded groove is provided on the inner peripheral wall of the connecting column, and a plurality of long notches are provided along the circumferential direction of the connecting column. The threaded rod is inserted into the threaded groove.

[0012] With the above further further setting, the connection is convenient. The setting of the long notches enables elastic deformation when the threaded rod is inserted, facilitating the insertion of the threaded rod. The cooperation between the threaded rod and the threaded groove makes the structure between the two connecting plates firm and not easy to disengage.

[0013] A further further setting of the present utility model: a limit card slot is provided on the handle seat, and the cover plate is installed in the limit card slot through a snap spring to limit the axial sliding of the cover plate. The snap spring is located inside the cover plate.

[0014] With the above further further setting, the cover plate has a firm structure, is not easy to loosen, and is convenient for disassembly and assembly.

[0015] A further further setting of the present utility model: a receiving cavity is provided on the handle part of the outer handle. The spring and the stop piece are both located in the receiving cavity. A convex platform is provided on the outer handle seat. The convex platform is inserted into the receiving cavity, and the inclined surface is provided on the end surface of the convex platform.

[0016] With the above further further setting, the structure is compact and the installation is convenient. The convex platform is inserted into the receiving cavity, making the stop piece have a stable structure and better locking the square rod.

[0017] A further further setting of the present utility model: connecting pieces are provided on both the inner and outer handle seats, and corresponding connecting grooves are provided on the handle part. The connecting pieces are inserted into the connecting grooves to realize the synchronous rotation of the handle seat and the handle.

[0018] With the above further settings, the structure is simple, the installation is convenient, and it is convenient for the handle to drive the handle seat to rotate synchronously when rotating.

[0019] A further setting of the present utility model: at least one connecting bolt is provided on one of the two protective plates, and a connecting nut that cooperates with the connecting bolt is provided on the other.

[0020] With the above further settings, the connection structure is simple, the installation is convenient, and the structure is firm, making the structure of the two protective plates stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of a specific embodiment of the present utility model;

[0022] Figure 2 It is a schematic diagram of the square rod and the inner and outer handles of a specific embodiment of the present utility model;

[0023] Figure 3 It is a schematic diagram of the outer handle and the square rod of a specific embodiment of the present utility model;

[0024] Figure 4 It is a schematic diagram of the inner handle of a specific embodiment of the present utility model;

[0025] Figure 5 It is a schematic diagram of the outer handle of a specific embodiment of the present utility model;

[0026] Figure 6 It is a schematic installation diagram of the torsion spring of a specific embodiment of the present utility model;

[0027] Figure 7 It is a schematic diagram of the outer handle seat and the stop piece of a specific embodiment of the present utility model;

[0028] Figure 8 It is a schematic diagram of the stop piece and the spring of a specific embodiment of the present utility model;

[0029] Figure 9 It is an exploded view of the outer handle of a specific embodiment of the present utility model;

[0030] Figure 10 It is a schematic diagram of the outer handle seat of a specific embodiment of the present utility model;

[0031] Figure 11 It is a schematic connection diagram of the two connecting plates of a specific embodiment of the present utility model;

[0032] Figure 12 It is an exploded view of the two connecting plates of a specific embodiment of the present utility model.

[0033] In the figure, 1 is a lock body; 2 is a square rod; 3 is an inner handle; 31 is an inner grip, 32 is an inner handle base; 4 is an outer handle; 41 is an outer grip; 411 is an unlocking slot; 412 is a handle cover; 413 is a handle member; 4131 is a receiving cavity; 4132 is a connecting groove; 42 is an outer handle base; 421 is an inclined surface; 422 is a notch; 423 is a boss; 424 is a connecting member; 5 is a retaining piece; 51 is a square hole; 6 is a spring; 7 is a protective plate; 71 is a connecting bolt; 72 is a connecting nut; 8 is a torsion spring; 9 is a cover plate; 91 is a circlip; 101 is a lock core; 102 is an anti-lock knob; 103 is a connecting plate; 1031 is a threaded rod; 1032 is a connecting column; 1033 is a threaded groove; 1034 is a long slot; 200 is an unlocking member. Detailed implementation manner

[0034] Next, the technical solutions in this embodiment will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts fall within the protection scope of the present invention.

[0035] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back...) are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In addition, the technical solutions between various embodiments of the present invention can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0038] Such as Figures 1-12As shown in the figure, a door handle lock includes a lock body 1, a square rod 2, an inner door handle 3 and an outer door handle 4 located on both sides of the lock body 1. The square rod 2 connects the inner door handle 3 and the outer door handle 4. The inner door handle 3 includes an inner handle 31 and an inner door handle seat 32 that rotates synchronously with the inner handle 31. The outer door handle 4 includes an outer handle 41 and an outer door handle seat 42 that rotates synchronously with the outer handle 41. Shaft holes that cooperate with the square rod 2 are provided on both the inner and outer door handle seats. A stop piece 5 and a spring 6 are provided inside the outer handle 41. A square hole 51 through which the square rod 2 passes is provided on the stop piece 5. The spring 6 is sleeved outside the square rod 2 and is in contact with the stop piece 5. An inclined surface 421 is provided on the outer door handle seat 42. The stop piece 5 is pressed against the inclined surface 421 by the spring 6. A notch 422 is provided on the side wall of the outer door handle seat 42 to allow an external unlocking member 200 to be inserted and slid to correct the position of the stop piece 5. An unlocking slot hole 411 corresponding to the notch 422 is provided on the outer handle 41. The stop piece 5 is inclined to lock the square rod 2. The spring 6 tightly presses the stop piece 5 against the outer door handle seat 42 to increase the locking effect of the stop piece 5 on the square rod 2. When unlocking, insert an external unlocking tool through the unlocking slot hole 411, with the end located at the notch 422, and then slide the unlocking tool to push against the stop piece 5 and correct its position. The stop piece 5 compresses the spring 6, and at this time, the square rod 2 is unlocked and can be disassembled. After the unlocking tool is pulled out, the stop piece 5 returns to its original position under the action of the spring 6. The structure is simple, the operation is convenient and fast, and it does not affect the locking of the square rod 2.

[0039] The inner handle 31 and the outer handle 41 both include a handle cover 412 and a handle part 413. The handle holder rotates synchronously with the handle part 413. The handle part 413 is made of a metal material, and the handle cover 412 is a plastic part. The handle cover 412 is injection-molded outside the handle part 413. Without affecting the firmness of the handle, it can not only provide a better hand feeling, but also effectively save the overall production cost and reduce the weight of the door lock. It can effectively exert the strength and durability of the metal and utilize the lightness of the plastic. An unlocking long groove is provided on the handle cover 412 of the outer handle 41, and a slot hole is provided on the handle part 413. The unlocking part 200 slides in the unlocking long groove. The diameter of the slot hole is larger than the diameter of the unlocking tool, providing a sliding space for the unlocking tool. The unlocking tool can be an internal hexagonal wrench or other objects, etc., and can extend into the outer handle 41 to drive the stop piece 5 to move. A receiving cavity 4131 is provided on the handle part 413 of the outer handle 41. The spring 6 and the stop piece 5 are both located in the receiving cavity 4131. A boss 423 is provided on the outer handle holder 42. The boss 423 is inserted into the receiving cavity 4131, and the inclined surface 421 is provided on the end surface of the boss 423. The structure is compact and the installation is convenient. The boss 423 is inserted into the receiving cavity 4131, making the structure of the stop piece 5 stable and better locking the square rod 2. Connecting parts 424 are provided on both the inner and outer handle holders. Corresponding connecting grooves 4132 are provided on the handle part 413. The connecting parts 424 are inserted into the connecting grooves 4132 to achieve the synchronous rotation of the handle holder and the handle. The structure is simple, the installation is convenient, and it is convenient for the handle to drive the handle holder to rotate synchronously when the handle rotates.

[0040] A protective plate 7 is sleeved outside both the inner and outer handle holders. A torsion spring 8 for resetting the handle is sleeved on the two handle holders. The torsion spring 8 is located inside the protective plate 7 and one end is connected to the protective plate 7. A cover plate 9 is provided on the handle holder inside the torsion spring 8. The cover plate 9 is connected to the protective plate 7. The cover plate 9 is used to cover the torsion spring 8 so that it is not exposed, making it more beautiful, and can also play a protective role for the torsion spring 8. A limit card slot is provided on the handle holder. The cover plate 9 is installed in the limit card slot through a snap spring 91 to limit the axial sliding of the cover plate 9. The snap spring is located inside the cover plate 9, making the structure of the cover plate 9 firm, not easy to loosen, and convenient for disassembly and assembly. At least one connecting bolt 71 is provided on one of the two protective plates 7, and a connecting nut 72 cooperating with the connecting bolt 71 is provided on the other. The connecting structure is simple, the installation is convenient, and the structure is firm, making the structure of the two protective plates 7 stable.

[0041] It further includes an anti-lock component, and the anti-lock component includes a lock core 101, an anti-lock knob 102 for driving the rotation of the lock core 101, and connecting plates 103 located on both sides of the lock body 1. The specific structure of the lock core 101 is the prior art, so it will not be specifically elaborated here. The two connecting plates 103 are sleeved on the outer periphery of the lock core 101, and a threaded rod 1031 is provided on one of the connecting plates 103, and a connecting column 1032 is provided on the other connecting plate 103. A threaded groove 1033 is provided on the inner peripheral wall of the connecting column 1032, and a plurality of long notches 1034 are formed in the connecting column 1032 along its circumferential direction. The threaded rod 1031 is inserted into the threaded groove 1033, which is convenient for connection. The provision of the long notches 1034 enables elastic deformation when the threaded rod 1031 is inserted, facilitating the insertion of the threaded rod 1031. The cooperation between the threaded rod 1031 and the threaded groove 1033 makes the structure between the two connecting plates 103 firm and not easily detached.

Claims

1. A handle lock, comprising a lock body (1), a square rod (2), an inner handle (3) and an outer handle (4) located on both sides of the lock body (1). The square rod (2) connects the inner handle (3) and the outer handle (4). The inner handle (3) includes an inner grip (31) and an inner handle base (32) that rotates synchronously with the inner grip (31). The outer handle (4) includes an outer grip (41) and an outer handle base (42) that rotates synchronously with the outer grip (41). Shaft holes matching the square rod (2) are provided on both the inner and outer handle bases. It is characterized in that, A stopper (5) and a spring (6) are provided inside the outer handle (41); a square hole (51) is provided on the stopper (5) for the square rod (2) to pass through; the spring (6) is sleeved outside the square rod (2) and is arranged to contact the stopper (5); an inclined surface (421) is provided on the outer handle seat (42); the stopper (5) is pressed onto the inclined surface (421) by the spring (6); a notch (422) is provided on the side wall of the outer handle seat (42) so that the external unlocking member (200) can be inserted and slid to adjust the stopper (5); an unlocking slot (411) is provided on the outer handle (41) at a position corresponding to the notch (422).

2. The handle lock according to claim 1, characterized in that, The inner handle (31) and the outer handle (41) both comprise a handle cover (412) and a handle piece (413); the handle base and the handle piece (413) rotate synchronously; the handle piece (413) is made of a metal material; the handle cover (412) is a plastic piece; and the handle cover (412) is injection-molded outside the handle piece (413).

3. The handle lock according to claim 1 or 2, characterized in that, The inner and outer handle seats are both sleeved with protective plates (7), and the two handle seats are sleeved with torsion springs (8) for resetting the handles. The torsion springs (8) are located inside the protective plates (7) and one end of the torsion springs (8) is connected to the protective plates (7). The handle seats are provided with cover plates (9) located inside the torsion springs (8), and the cover plates (9) are connected to the protective plates (7).

4. The handle lock according to claim 1 or 2, characterized in that The invention also comprises a reverse locking assembly, the reverse locking assembly comprising a lock core (101), a reverse locking knob (102) for driving the lock core (101) to rotate, and connecting plates (103) located on both sides of the lock body (1), the two connecting plates (103) being sleeved on the outer circumference of the lock core (101), one of the connecting plates (103) being provided with a threaded rod (1031), the other connecting plate (103) being provided with a connecting column (1032), a threaded groove (1033) being provided on the inner circumferential wall of the connecting column (1032), a plurality of long notches (1034) being provided along the circumference of the connecting column (1032), and the threaded rod (1031) being inserted into the threaded groove (1033).

5. The handle lock according to claim 3, characterized in that, A limit slot is provided on the handle base, and the cover plate (9) is installed in the limit slot via a retaining spring to limit axial sliding of the cover plate (9), and the retaining spring is located on the inner side of the cover plate (9).

6. The handle lock according to claim 2, characterized in that, A accommodating cavity (4131) is provided on the handle member (413) of the outer handle (41), the spring (6) and the stopper (5) are both located in the accommodating cavity (4131), a boss (423) is provided on the outer handle base (42), the boss (423) is inserted in the accommodating cavity (4131), and the end surface of the boss (423) is provided with the inclined surface (421).

7. The handle lock according to claim 2 or 6, characterized in that, The inner and outer handle seats are both provided with connecting pieces (424), and the handle member (413) is correspondingly provided with connecting grooves (4132), and the connecting piece (424) is inserted into the connecting grooves (4132) to achieve synchronous rotation of the handle seat and the handle.

8. The handle lock according to claim 3, characterized in that, One of the two protection plates (7) is provided with at least one connecting bolt (71), and the other is provided with a connecting nut (72) that matches the connecting bolt (71).

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