Door lock easy to assemble

By designing a structure with mounting slots, bosses, and swivels in the door lock, and utilizing the cooperation of snap rings and protruding posts, the problems of large space occupation and difficult assembly for users during the assembly process of lever handle door locks are solved, achieving the effects of convenient assembly and low-cost transportation.

CN223675995UActive Publication Date: 2025-12-16WENZHOU MEILA HARDWARE CO LTD
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Patent Information

Application Number
CN202423265530.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-16
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing lever handle door locks are assembled with the mounting base after production, resulting in a large space occupation, increased warehousing and logistics costs, and easy damage during logistics and assembly. Furthermore, they are difficult for users to assemble themselves.

Method used

An easy-to-assemble door lock structure was designed. By setting mounting grooves, bosses and swivels in the guard plate, and using the cooperation of snap rings and protrusions, the handle and guard plate can be locked in a separate state. Combined with the sliding plate and locking mechanism, it is easy for users to assemble by themselves.

Benefits of technology

It enables easy assembly of the handle and guard plate, reduces the learning cost, reduces the space occupied, facilitates transportation and storage in the split state, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a door lock easy to assemble, which comprises a protective plate and a handle, a mounting groove is arranged in the protective plate, and the door lock further comprises a baffle used for covering the mounting groove. A boss is arranged in the installation groove, a rotating ring is arranged between the boss and the baffle, a through hole penetrating through the protection plate is formed in the end face of the boss, the lever handle transversely extends and then is vertically bent to form a bent part, the bent part is inserted into the through hole, a protruding column is integrally formed on the end face of the through hole, and the rotating ring is arranged between the boss and the baffle. The lever handle and the protective plate are easy to assemble, so that the lever handle and the protective plate can be conveniently stored and transported in a split state, during assembly, a user only needs to insert the lever handle into the protective plate, and the lever handle and the protective plate can be conveniently disassembled. And the clamping spring is mounted on the convex column through the through groove in the protective plate by virtue of a pair of clamping spring pliers or other tools, so that the handle and the protective plate can be locked, the operation is convenient and simple, and the learning cost is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field especially easy to assemble door lock. BACKGROUND

[0002] The door lock is a device for closing and opening a door, which can be locked to prevent being opened when being locked.

[0003] The door lock includes a lever handle door lock, which generally includes a lever handle and a mounting seat, wherein the lever handle includes a handle part and a connecting part perpendicular to the handle part and fixed in the mounting seat, and the handle part is generally assembled with the mounting seat when the lever handle door lock is sold in the C end and completed and shipped, considering the assembly ability of consumers, however, this will make the lever handle door lock occupy a larger space, increase the storage and logistics costs, and easily damage the lever handle door lock in the logistics process, so it is necessary to improve the mounting mode between the lever handle and the mounting seat, reduce the learning cost of assembly, and facilitate transportation in a split state and self-assembly of consumers. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides an easy-to-assemble door lock to solve the problems mentioned in the background art.

[0005] The utility model provides the following technical scheme: an easy-to-assemble door lock, including a guard plate and a lever handle, the guard plate is provided with a mounting groove, further including a baffle for covering the mounting groove;

[0006] The mounting groove is provided with a boss, a swivel ring is arranged between the boss and the baffle, a through hole penetrating through the guard plate is arranged in the end face of the boss, the lever handle is vertically bent to form a bent part after being extended horizontally, the bent part is inserted into the through hole, a convex column is integrally formed on the end face of the through hole, a ring groove is arranged in the curved surface of the convex column, a clamping spring is arranged in the ring groove, and the clamping spring is pressed on the swivel ring, a through groove for exposing part of the swivel ring is arranged in the baffle, and a square pin penetrating through the through groove is arranged in the convex column.

[0007] Further comprising a matching mechanism for locking the relative angle of the swivel ring and the convex column.

[0008] Preferably, the matching mechanism includes a first clamping groove arranged in the curved surface of the convex column, a first clamping plate integrally formed on the inner curved surface of the swivel ring and extending into the first clamping groove, and the clamping plate and the first clamping groove are provided with two groups of symmetrically distributed.

[0009] Preferably, the first clamping groove penetrates into the end face of the convex column.

[0010] Preferably, a sliding plate is slidably connected in the mounting groove, a control groove is arranged in the sliding plate, a limiting plate is arranged at the upper edge of the control groove, an abutting plate is arranged on the upper curved surface of the rotating ring and capable of abutting against the limiting plate, and a locking mechanism for controlling the up-down position of the sliding plate is further included.

[0011] Preferably, the locking mechanism includes a lock housing arranged in the mounting groove, a push plate is arranged on the lock core in the lock housing, the edge of the push plate abuts against the upper edge of the sliding plate, and the lower end of the sliding plate is connected to the lower side of the mounting groove through a spring.

[0012] Preferably, an oval groove for mounting the lock housing is arranged in the bottom surface of the mounting groove, a positioning groove is arranged in the vertical side surface of the oval groove, and a positioning piece is arranged on the lock housing and inserted into the positioning groove.

[0013] Preferably, the positioning piece is an elastic strip, the positioning piece is arranged around the lock housing, and the front and rear sides of the positioning piece protrude outward to be inserted into the positioning groove.

[0014] Preferably, the guard plate is further provided with a protective cover for protecting the lock housing.

[0015] The utility model provides an easy-to-assemble door lock, which has the following beneficial effects:

[0016] The lever and the guard plate in the utility model are easy to assemble, so that they can be stored and transported in a split state, and when assembling, the user only needs to insert the lever into the guard plate, and then insert the snap spring into the convex column through the through slot in the guard plate by using a snap spring clamp or other tools, so that the locking between the lever and the guard plate is completed, which is convenient and simple to operate and has low learning cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of the appearance of the utility model;

[0018] Figure 2 is Figure 1 a schematic view of the appearance of the utility model after removing the baffle;

[0019] Figure 3 is Figure 2 an enlarged schematic view of A in the utility model;

[0020] Figure 4 is Figure 2 a schematic view of the appearance of the utility model after removing the lock housing and the lever;

[0021] Figure 5 is Figure 2 a schematic view of the appearance of the lock housing in the utility model;

[0022] Figure 6 isFigure 4 Another view of the appearance schematic diagram. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, examples of which are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Reference Figures 1-6 According to an embodiment of the present application, the door lock is easy to assemble, which comprises a guard plate 11 and a handle 12, the guard plate 11 is provided with a mounting groove 13, and a baffle 14 is used to cover the mounting groove 13.

[0028] The mounting groove 13 is provided with a boss 15, the end face of the boss 15 is provided with a rotating ring 16, the end face of the boss 15 is provided with a through hole 17 penetrating the guard plate 11, the handle 12 is transversely extended and then vertically bent to form a bent part, the bent part is inserted into the through hole 17, and a convex column 18 is integrally formed on the end face of the bent part, a ring groove 19 is arranged in the curved surface of the convex column 18, a clamping spring (not shown in the figure) is arranged in the ring groove 19, and the clamping spring is pressed on the rotating ring 16, a through groove for the exposed part of the rotating ring 16 is arranged in the baffle 14, and a square pin 20 penetrating the through groove is arranged in the convex column 18.

[0029] It should be noted that the square pin 20 is used to connect the lock cylinder, and is used to control the bolt in the lock cylinder, the guard plate 11 can be matched with another guard plate, or can be separately mounted on the door, and the technical scheme that the handle 12 is automatically reset by the torsional spring is prior art, which will not be described here.

[0030] When the handle 12 is installed, the worker can directly insert the bent part in the handle 12 into the guard plate 11 which has been assembled, and then clamp the clamping spring in the ring groove 19 by using a clamping spring clamp or other equipment, at this time, the clamping spring can abut against the rotating ring 16 and lock the handle 12 on the guard plate 11, at this time, the installation of the handle 12 is completed.

[0031] In addition, in order to facilitate the locking of the relative angle of the rotating ring 16 and the convex column 18, so as to lock or unlock the handle 12 through the rotating ring 16, a matching mechanism is further included, the matching mechanism includes a first clamping groove arranged in the curved surface of the convex column 18, a first clamping plate 21 integrally formed on the inner curved surface of the rotating ring 16 extends into the first clamping groove, the first clamping plate 21 and the first clamping groove are provided with two groups of symmetrically distributed, in addition, the first clamping groove penetrates into the end face of the convex column 18, so as to avoid the interference of the clamping plate 21 when the bent part in the handle 12 is inserted into the through hole 17.

[0032] In addition, the sliding plate 22 is slidably connected in the mounting groove 13, the sliding plate 22 is provided with a control groove 23, the upper edge of the control groove 23 is provided with a limiting plate 24, the upper side curved surface of the rotating ring 16 is provided with an abutting plate 25 which can abut against the limiting plate 24, and a locking mechanism for controlling the up-down position of the sliding plate 22 is further included.

[0033] In the embodiment, the locking mechanism comprises a lock housing 26 arranged in the mounting groove 13, a push plate 27 is arranged on a lock core in the lock housing 26, the edge of the push plate 27 abuts against the upper edge of the sliding plate 22, and the lower end of the sliding plate 22 is connected to the lower side of the mounting groove 13 through a spring, that is, when a worker inserts a key into the lock core and rotates the key, the lock core can drive the push plate 27 to swing and make the sliding plate 22 displace up and down.

[0034] When the sliding plate 22 is at the lowermost side, the limiting plate 24 does not contact the abutting plate 25, and at this time, the handle 12 can be arbitrarily pushed and control the square pin 20 to rotate, when the sliding plate 22 is at the uppermost side, the limiting plate 24 is downwardly attached to the side edge of the abutting plate 25, and at this time, the handle 12 is limited and cannot be pressed down.

[0035] In addition, the mounting mode of the lock housing 26 is that an oval groove 28 for mounting the lock housing 26 is arranged in the bottom surface of the mounting groove 13, a positioning groove is arranged in the vertical side surface of the oval groove 28, and a positioning piece 29 is arranged on the lock housing 26 and inserted into the positioning groove.

[0036] In order to facilitate the mounting of the lock housing 26, the positioning piece 29 is an elastic strip, the elastic strip is wound outside the lock housing 26, and the front and rear sides of the positioning piece 29 protrude outward to be inserted into the positioning groove, a worker can press the positioning piece 29 to make it retract, then place the lock housing 26 in the oval groove 28, at this time, the positioning piece 29 can automatically rebound and be clamped into the positioning groove, and at this time, the mounting of the lock housing 26 is completed.

[0037] In addition, the guard plate 11 is further provided with a protection cover 30 for protecting the lock housing 26.

[0038] The above only describes specific embodiments of the utility model, but the technical features of the utility model are not limited to this, any person skilled in the art makes changes or modifications in the field of the utility model, and the changes or modifications are covered in the patent range of the utility model.

Claims

1. A door lock easy to assemble, comprising a strike plate (11) and a handle (12), characterized in that: The guard plate (11) is internally provided with a mounting groove (13), and further comprises a baffle (14) for covering the mounting groove (13); The mounting groove (13) is internally provided with a boss (15), a swivel ring (16) is arranged between the boss (15) and the baffle (14), an end surface of the boss (15) is provided with a through hole (17) penetrating through the guard plate (11), the handle (12) is vertically bent after being transversely extended to form a bent portion, the bent portion is inserted into the through hole (17), an end surface of the through hole (17) is integrally formed with a convex column (18), a curved surface of the convex column (18) is provided with a ring groove (19), a snap spring is arranged in the ring groove (19), the snap spring is pressed against the swivel ring (16), the baffle (14) is provided with a through groove for exposing a part of the swivel ring (16), and the convex column (18) is provided with a square pin (20) penetrating through the through groove. Further comprising a matching mechanism for locking the relative angle of the swivel ring (16) and the convex column (18).

2. A door lock easy to assemble according to claim 1, characterized in that: The matching mechanism comprises a first clamping groove arranged in the curved surface of the convex column (18), a first clamping plate (21) is integrally formed on the inner curved surface of the swivel ring (16) and extends into the first clamping groove, and the clamping plate (21) and the first clamping groove are provided with two groups of symmetrically distributed.

3. A door closer according to claim 2, wherein: The first clamping groove penetrates into the end surface of the convex column (18).

4. A door lock easy to assemble according to claim 1, characterized in that: A sliding plate (22) is slidably connected in the mounting groove (13), the sliding plate (22) is provided with a control groove (23), a limiting plate (24) is arranged at the upper edge of the control groove (23), an abutting plate (25) capable of abutting against the limiting plate (24) is arranged on the upper curved surface of the swivel ring (16), and further comprising a locking mechanism for controlling the up-down position of the sliding plate (22).

5. A door closer according to claim 4, wherein: The locking mechanism comprises a lock shell (26) arranged in the mounting groove (13), a push plate (27) is arranged on the lock core in the lock shell (26), the edge of the push plate (27) abuts against the upper edge of the sliding plate (22), and the lower end of the sliding plate (22) is connected to the lower side of the mounting groove (13) through a spring.

6. A door closer according to claim 5, wherein: An oval groove (28) for mounting the lock shell (26) is arranged in the bottom surface of the mounting groove (13), a positioning groove is arranged in the vertical side surface of the oval groove (28), and a positioning member (29) inserted into the positioning groove is arranged on the lock shell (26).

7. A door closer according to claim 6, wherein: The positioning member (29) is an elastic strip, the positioning member (29) is arranged around the lock shell (26), and the front and rear sides of the positioning member (29) protrude outward to be inserted into the positioning groove.

8. A door lock easy to assemble according to claim 5, characterized in that: A protection cover (30) for protecting the lock shell (26) is further arranged on the guard plate (11).