A compact door lock structure with electric intelligent control
By adopting a single drive unit and bolt design in the electric door lock, combined with a locking bevel forming a triangular locking structure, the problems of large size and high cost of existing electric door locks are solved, achieving a compact, safe and low-cost locking effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG SOUTH CHINA ZHIKONG TECH CO LTD
- Filing Date
- 2025-09-15
- Publication Date
- 2026-07-31
AI Technical Summary
Existing electric door locks are bulky and complex in layout, resulting in high production costs and making it difficult to achieve a compact structure and high stability in locking performance.
The design employs a single drive unit and locking tongue, combined with a drive device, and utilizes the first and second locking ramps to form a triangular locking structure. The locking stability is achieved by driving the locking tongue to extend or retract via a rotary motor, and the structure is simplified through the cooperation of the limiting part and the guide groove.
This design achieves a compact door lock structure, reducing production costs while improving locking stability and security, and reducing the possibility of unauthorized opening.
Smart Images
Figure CN224579190U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of smart locks, and in particular to a compact door lock structure with electric intelligent control. Background Technology
[0002] An electric lock is a bolt device installed on the door panel, which can be opened and closed manually or electrically. Its structure includes a bolt, a base, a manual control device, and an electric control device. The manual control device consists of a rotary control section and a clutch limit device; during operation, the elastic cooperation between the positioning bead and the concave edge reduces resistance. The electric control part is driven by an electric motor, which in turn drives the bolt via a power connection device and supports photoelectric switch control.
[0003] However, existing door lock structures have the following shortcomings; 1. It is relatively large in size and generally includes a primary lock and a secondary lock. The primary lock and the secondary lock are driven by two motors (such as a rotary motor and / or a telescopic motor), which prevents the bolt from being forcibly opened. The structure of the secondary lock prevents the bolt from being unlocked. 2. When there are two drive structures, the overall layout is more complex, and therefore the production cost is also higher. Utility Model Content
[0004] The main purpose of this utility model is to propose a compact door lock structure with electric intelligent control, which aims to improve the existing door lock structure. Through reasonable design, a single bolt and drive rod can be used to achieve locking and prevent abnormal opening, thereby improving the stability of locking. Therefore, the structure is compact and the size is small, which improves the applicability of the product.
[0005] To achieve the above objectives, this utility model proposes a compact door lock structure with electric intelligent control, comprising: The housing has a hollow cavity, and a sliding opening on one side of the housing, on which a locking tongue is slidably mounted. The upper wall of the rear part of the locking tongue is recessed with a driving groove, and a first locking slope and a second locking slope are respectively provided on both sides of the opening of the driving groove. The driving device includes a rotary motor and a driving assembly connected to the rotary motor. The driving assembly has a driving section at its driving end, and the end of the driving section has a flat wall. The driving part cooperates with the driving groove and drives the locking tongue to slide; When in the locked state, the flat wall abuts against the first locking ramp, and the locking tongue extends out of the sliding opening; When in the unlocked state, the flat wall abuts against the second locking ramp, and the locking tongue extends into the hollow cavity.
[0006] In practical design, the extension and locking of the lock tongue are achieved through the cooperation of a single drive unit, a locking bolt, and a drive mechanism. When the first locking ramp abuts against the straight wall, it forms a triangular locking device. Therefore, even if the bolt is pushed inward, it cannot penetrate, thus achieving structural locking. Of course, it can also be unlocked if the pushing force exceeds a predetermined value. However, in practical applications, the bolt is generally inserted into the door body, so the possibility of direct pushing is relatively small. In addition, during the unlocking process, the drive unit extends into the drive groove, thereby achieving avoidance. At the same time, the limit unit cooperates to achieve a triangular locking-like mechanism. The principle is equivalent to a triangle forming a stable structure, which is an existing design and will not be described in detail here.
[0007] Therefore, a structural design is adopted, which simplifies the door lock structure while ensuring locking security. Simultaneously, it is smaller in size, has lower production costs, and effectively improves market competitiveness. (This utility model technical solution is...) Attached Figure Description
[0008] Figure 1 For the purpose of this utility model explosion Figure 1 ; Figure 2 For the purpose of this utility model explosion Figure 2 ; Figure 3 This is a cross-sectional view of the present utility model. Figure 1 ; Figure 4 This is a cross-sectional view of the present utility model. Figure 2 ; Figure 5 This is a half-sectional view of the present invention. Figure 1 ; Figure 6 This is a half-sectional view of the present invention. Figure 2 ; Figure 7 This is a three-dimensional schematic diagram of the present invention; Figure 8 This is the control circuit diagram of the rotary motor in this utility model.
[0009] In the picture, 1 is the shell, 10 is the hollow cavity, and 11 is the sliding port. 2 is the locking tongue, 20 is the drive groove, 21 is the first locking ramp, and 22 is the second locking ramp. 3 represents the drive unit, 30 represents the rotary motor, 31 represents the drive section, and 32 represents the flat wall. 4 is the support plate, 41 is the first wall surface, and 42 is the second wall surface. 51 is the guide groove, and 52 is the guide section. 61 is the driving gear, 62 is the driven gear, and 63 is the gear set. 7 is the hinge section, and 70 is the irregular unlocking channel. 8 represents the limiting part, and 80 represents the PCB board. Detailed Implementation
[0010] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0011] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.
[0012] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0013] like Figures 1 to 8 As shown, a compact door lock structure with electric intelligent control includes: The housing 1 (which includes a front shell and a rear shell, the front shell and the rear shell forming a hollow cavity) has a hollow cavity 10. A sliding opening 11 is provided on one side of the housing 1, and a locking tongue 2 is slidably mounted on the sliding opening 11. The upper wall of the rear part of the locking tongue 2 is recessed with a driving groove 20, and the opening of the driving groove 20 is provided with a first locking slope 21 and a second locking slope 22 on both sides respectively. The driving device 3 includes a rotary motor 30 and a driving assembly connected to the rotary motor 30. The driving assembly has a driving part 31 at its driving end. The driving part 31 is preferably pivotally mounted (it can also be locked by sliding; this application uses a rotating mounting with a limit structure). The end of the driving part 31 has a flat wall 32. The driving part 31 cooperates with the driving groove 20 and drives the locking tongue 2 to slide; When in the locked state, the straight wall 32 abuts against the first locking slope 21, and the locking tongue 2 extends out of the sliding opening 11. When in the unlocked state, the straight wall 32 abuts against the second locking slope 22, and at this time the locking tongue 2 extends into the hollow cavity 10.
[0014] In the actual design, the extension and locking of the locking tongue 2 are achieved through the cooperation of a single drive unit 31, the locking tongue 2, and the drive device 3. When the first locking ramp 21 abuts against the straight wall 32, it forms a triangular locking device. Therefore, even if the latch 2 is pushed inward, it cannot extend into the door, thus achieving structural locking. Of course, it can also be unlocked if the pushing force is greater than a predetermined value. However, in practical applications, the latch 2 is generally inserted into the door body, so the possibility of direct pushing is relatively small. In addition, during the unlocking process, the drive unit 31 extends into the drive groove 20, thereby achieving avoidance. At the same time, it achieves a triangular locking mechanism through the cooperation of the limiting unit 8. The principle is equivalent to a triangle as a stable structure, which is an existing design and will not be described in detail here.
[0015] Therefore, a structural design was adopted, which simplified the structure of the door lock while ensuring the security of the lock. At the same time, it is smaller in size, has lower production costs, and effectively improves market competitiveness.
[0016] Specifically, the first locking ramp 21 and the second locking ramp 22 are located on both sides of the corner end of the opening. Through reasonable positioning design, a stable triangular locking structure can be achieved, thereby preventing abnormal opening and serving as a lever support.
[0017] In this embodiment of the invention, the hollow cavity 10 is provided with a support plate 4, which is a metal plate. The rotary motor 30 and the drive unit 31 are disposed on the first wall surface 41 of the support plate 4. The drive assembly is located on the second wall surface 42 of the support plate 4.
[0018] The drive unit 31 is clamped between the first wall and the inner wall of the housing 1, and the overall structural stability is ensured by the metal plate.
[0019] Specifically, the inner wall of the housing 1 is provided with a guide portion 52, and the latch 2 is provided with a guide groove 51 that cooperates with the guide portion 52. The latch 2 is engaged between the first wall surface and the guide portion 52. This ensures the stable sliding of the latch 2, and unlike existing designs, this door lock can achieve locking and sliding without using a torsion spring structure.
[0020] In this embodiment of the invention, the rotary motor 30 is provided with a drive gear 61, the locking tongue 2 is pivotally mounted on the support plate 4, the locking tongue 2 is provided with a rotating shaft portion 7, and the rotating shaft portion 7 is provided with a driven gear 62. The drive assembly includes two sets of gears 63. The driving gear 61, gear set 63, and driven gear 62 mesh with each other. This increases the predetermined torque, ensuring both the locking force during locking and the sliding stability of the locking tongue 2.
[0021] Specifically, the inner wall of the housing 1 is provided with limiting parts 8 on both sides of the driving part 31. The stability of locking is further ensured by the cooperation of the limiting parts 8, the guide groove 51, the gear torque, the first locking slope, and the flat wall 32. It is purely mechanically fixed, which changes the traditional design requirements.
[0022] In this embodiment of the utility model, the support plate 4 is locked inside the housing 1 by a screw.
[0023] Specifically, the rotating shaft 7 is provided with a hollow, irregularly shaped unlocking channel 70, and the housing 1 is provided with a clearance hole to expose the irregularly shaped unlocking channel 70. (This avoids the emergency unlocking method when the electronic control device cannot drive the rotary motor 30.)
[0024] This door lock can be designed as an embedded structure, thus achieving a compact and concealed design; of course, it can also be applied to conventional door locks. In this embodiment of the invention, the hollow cavity 10 is provided with a PCB board 80, the PCB board 80 is provided with an electronic control device, and the PCB board 80 is also provided with a connector. (The connector is used to input predetermined data; specific electronic control devices can be found in...) Figure 8 。 Specifically, the housing 1 is a metal housing.
[0025] Specifically, the PCB board 80 can also be equipped with structures such as batteries, and the connectors therein can be charging connectors, etc.
[0026] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. An electrically powered, smartly controlled compact door lock structure, characterized in that, include; The housing has a hollow cavity, and a sliding opening on one side of the housing, on which a locking tongue is slidably mounted. The upper wall of the rear part of the locking tongue is recessed with a driving groove, and a first locking slope and a second locking slope are respectively provided on both sides of the opening of the driving groove. The driving device includes a rotary motor and a driving assembly connected to the rotary motor. The driving assembly has a driving section at its driving end, and the end of the driving section has a flat wall. The driving part cooperates with the driving groove and drives the locking tongue to slide; When in the locked state, the flat wall abuts against the first locking ramp, and the locking tongue extends out of the sliding opening; When in the unlocked state, the flat wall abuts against the second locking ramp, and the locking tongue extends into the hollow cavity.
2. The compact motorized smart door lock structure of claim 1, wherein: The first locking ramp and the second locking ramp are located on both sides of the corner end of the opening.
3. The compact motorized smart door lock structure of claim 1, wherein: The hollow cavity is equipped with a support plate, which is a metal plate. The rotary motor and drive unit are located on the first wall surface of the support plate. The drive assembly is disposed on the second wall surface of the support plate; The drive unit is clamped between the first wall surface and the inner wall of the housing.
4. The compact motorized smart door lock structure of claim 3, wherein: The inner wall of the housing is provided with a guide portion, and the locking tongue is provided with a guide groove that mates with the guide portion. The locking tongue is engaged between the first wall surface and the guide portion.
5. The compact motorized smart door lock structure of claim 3, wherein: The rotary motor is equipped with a drive gear, the locking tongue is pivotally mounted on a support plate, the locking tongue has a rotating shaft, and the rotating shaft has a driven gear. The drive assembly includes two sets of gears. The driving gear, gear set, and driven gear mesh with each other.
6. The compact motorized smart door lock structure of claim 1, wherein: The inner wall of the housing is provided with limiting parts on both sides of the drive unit.
7. The compact motorized intelligent door lock structure of claim 3, wherein: The support plate is locked inside the housing by screws.
8. The compact motorized smart door lock structure of claim 5, wherein: The rotating shaft is provided with a hollow, irregularly shaped unlocking channel, and the housing is provided with a clearance hole to expose the irregularly shaped unlocking channel.
9. The compact motorized intelligent door lock structure of claim 1, wherein: The hollow cavity is equipped with a PCB board, the PCB board is equipped with an electrical control device, and the PCB board is also equipped with a connector.
10. The compact motorized smart door lock structure of claim 9, wherein: The casing is a metal casing.