Lock device

By introducing a double-bolt structure and a combination of color, sound, and vibration indication on the lock, the problem of insufficient lock status feedback is solved, the security and convenience of the lock are improved, and in particular, additional sensory feedback is provided for users with visual and hearing impairments.

CN120719862APending Publication Date: 2025-09-30SIAM INT LOCK CO LTD +1
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Patent Information

Application Number
CN202410851338.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-03-28
Filing Date
2024-06-28
Publication Date
2025-09-30

AI Technical Summary

Technical Problem

Existing locks lack diverse sensory feedback methods when displaying locked or unlocked status, which can easily lead to misoperation and safety hazards, especially for users with visual and hearing impairments.

Method used

A lock device is designed that uses a double-bolt structure and indicates the status of the lock through a combination of color, sound, and vibration when in the locked or unlocked state, ensuring that the user can clearly understand the lock status even when vision or hearing is limited.

Benefits of technology

It improves the security and reliability of the lock, reduces the risk of misoperation, and especially provides additional sensory feedback for users with visual and hearing impairments, enhancing security and ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a locking device designed for aluminum doors and aluminum windows. The locking device comprises a locking button, a color status indicator, a shell, a ball bearing, a spring, an actuator, a latch and a latch control device which are assembled together. The locking device according to the present invention is configured to have a stronger locking mechanism that is enhanced by using a dual latch. Further, the locking device according to the present invention can mount latches on the left and right sides thereof for user convenience. In addition, the device comprises a mechanism capable of displaying color, sound and vibration states when the lock device is in the locked or unlocked state to inform a user of the lock state of the lock device.
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Description

Technical Field

[0001] The present invention relates to the field of engineering, and in particular to a locking device. Background Art

[0002] Generally speaking, locks have long been recognized as a key component in enhancing the security of buildings and facilities, whether residential, commercial, or industrial, or even public structures like government offices, educational institutions, or shopping malls. These locations are considered important and require protection from all forms of intrusion or theft, which could result in the loss of valuable assets or important data. Selecting high-quality locks with a strong, sturdy, secure, and standardized locking mechanism is another way to strengthen the asset or data protection system within these buildings.

[0003] For these reasons, locks for doors and windows have been invented and developed, as doors and windows are among the most vulnerable points of entry for intrusion or theft. This invention applies engineering principles to design a lock with a robust and durable locking mechanism to ensure security. Furthermore, modern lock developments have enhanced the functionality of these locks, with status indicators or symbols displayed when the device is locked or unlocked, thereby enhancing security. These symbols can also serve as a warning if the user forgets to lock the device, or prevent the user from mistakenly believing that the device is locked, which could lead to future damage to property or data.

[0004] In the Thai patent database, the patent applications for the relevant inventions are as follows.

[0005] Thai Patent Application No. 1603002076, titled "Bathroom Door Lock," discloses a door lock device that displays a color from the front to indicate whether it is locked or unlocked. This door lock device is used in conjunction with a status display panel mounted on a central base that accommodates the central axis of the handle. When the handle is rotated inside the door, the external lock status also rotates accordingly.

[0006] Thai Patent Application No. 1603002379, titled "A Window and Door Lock Device," discloses a door and window lock device that operates by sliding up and down, rather than using the conventional front handle lock and rear deadbolt currently used. This design allows locking and unlocking from the front of the device, helping to extend the device's lifespan and reducing the problem of loose knobs. The lock device of the present invention utilizes a gear-driven system for locking and unlocking, operating through the interaction between the lock frame plate, the lock slide switch mechanism, the lock push rod, the deadbolt bolt, the spring, and the deadbolt plate.

[0007] Thai Patent Application No. 0703001439, entitled "Window or Door Frame Lock," relates to a window or door frame lock that includes an auxiliary locking or unlocking assembly that exceeds conventional locks. This lock features a reinforced sliding locking and unlocking shaft, one end of which is designed as a sliding handle base and is located at the front of the support base, below the outer support base. The other end of the shaft passes through a through-hole in the auxiliary support base and enters a through-hole in the auxiliary sliding support base.

[0008] Thai Patent Application No. 0403000508, entitled "A Sliding Frame Locking Device for Doors and Windows," discloses a locking device for sliding door and window frames that features a dual-locking system for enhanced security. The locking device comprises an external locking device mounted within the sliding frame on the exterior of a building, and an internal locking device mounted adjacent to the sliding frame on the interior of the building. When the two sliding members move and collide, a locking mechanism locks the two frames together. Once the lock is engaged, the frame cannot be opened unless unlocked with a key from an external slot.

[0009] In addition to the Thai patent application, there are also some Chinese patent applications related to the lock device to be introduced below.

[0010] Chinese patent application number CN207863636, titled "A Smart Door Lock Status Reminder Indicator," discloses a smart door lock device that displays colors and emits sounds when locked, improving theft prevention, especially in noisy environments or for users with hearing impairments. According to the present invention, the color status is displayed by a light bulb mounted on one end of the lock handle, and the sound status is emitted by a sound-emitting device. The device is configured to connect to a control panel and a data receiver. When the lock device is locked, the data receiver and control panel cooperate to activate the light bulb and sound-emitting device, displaying predetermined colors and sounds.

[0011] Chinese patent application number CN200978575, titled "Electronic Sounding Door Lock," discloses a door lock device that emits a sound when locked. This sound-activated state indicator system includes an electronic doorbell. When entering or exiting the door, a warning signal chip installed on the door and connected to a power source activates the doorbell through a speaker, producing a sound when someone passes through the door.

[0012] Chinese patent application number CN200982109, titled "Multifunctional Electronic Sounding Door Lock," discloses an electronic door lock device capable of emitting sound when locked. This sound-activated state indicator system includes a key-controlled alarm switch. When the user inserts the key into the keyhole, the alarm switch activates and emits an audible signal through an attached speaker. Furthermore, when the key is removed from the keyhole, the alarm switch deactivates and the sound ceases.

[0013] According to patent database searches, inventions for door and window locks have various locking mechanisms designed to enhance user safety. These devices also feature additional features to further enhance safety, including color and sound indications when the device is locked or unlocked. However, no inventions have been found that have developed a locking device capable of simultaneously indicating the locked or unlocked state through color, sound, and vibration.

[0014] Therefore, the present invention, as a locking device, enhances the locking mechanism by using dual lock catches and allows for left and right side locks, making it more convenient for users. Furthermore, the device includes a mechanism that displays color, sound, and vibration when the lock is locked or unlocked. This serves as a warning if the user forgets to lock the device, or prevents the user from mistakenly believing the device is locked, which could lead to future damage to the user's property. The invention's locking device also allows users with visual and hearing impairments to detect locked or unlocked status through vibration. Summary of the Invention

[0015] The present invention relates to a lock device, comprising: a lock button, a color status indicator light, a housing, a ball bearing, a spring, an actuator, a latch and a latch control device, which are assembled together.

[0016] The purpose of this invention is to invent a locking device specifically designed for aluminum alloy doors and windows. By utilizing dual locking tongues, the locking device enhances its strength. Furthermore, the locking device according to this invention can be equipped with two locking tongues on either side for user convenience. Furthermore, the device includes a mechanism that displays color, sound, and vibration when the locking device is locked or unlocked. This serves as a warning if the user forgets to lock the device, or prevents the user from mistakenly believing that the device is locked, potentially leading to future damage to the user's property. The locking device of this invention also allows users with visual and hearing impairments to detect locked or unlocked status through vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The invention is herein described, by way of example only, with reference to the accompanying drawings.

[0018] Figure 1 FIG. 1 is a cross-sectional view of components of an embodiment of a lock device according to the present invention.

[0019] Figure 2 It is a perspective view of one embodiment of the lock assembly of the present invention.

[0020] Figure 3 Assembly examples of various functional components of the lock device according to the present invention are shown in the form of a front view and a side view respectively. DETAILED DESCRIPTION

[0021] The present invention will be described in detail herein with reference to the accompanying drawings. However, the present invention may provide various aspects and should not be limited to the disclosed figures. The drawings are drawn to provide absolute clarity to the present disclosure so that those skilled in the art can fully understand the drawings. However, for the sake of clarity, the weights and proportions of the drawings may be exaggerated.

[0022] Figure 1 and Figure 2 The components and assembly of an embodiment of a lock device according to the present invention are shown in cross-sectional and perspective views, respectively. The lock device includes: a lock button 1, a housing 2, a slot 2.1, a first spring 3, a second spring 9, a ball bearing 4, color status indicators 5.1 and 5.2, an actuator 6, a first latch 7.1, a second latch 7.2, a latch control device 8, an automatic locking component 10, a first slot 10.1, a latch receiver 11, screws 12 and 13, and a hook 14. These components are assembled together to form the lock device.

[0023] The lock device is equipped with a mechanism that displays color, sound and vibration status when the lock device is in a locked or unlocked state, wherein the assembly is capable of mounting the lock bolt on both the left and right sides.

[0024] The mechanism for mounting the locking device allows the locking device to display its locked state. Sliding the lock button 1 upward or downward activates the mechanism for locking or unlocking the device, which includes a color status indicator. The lock button 1 is configured in a geometric shape, preferably a rectangle, and is mounted on the front end of the locking device. Sliding the lock button 1 causes a color status indicator 5.1, also configured in a geometric shape (preferably a rectangle), to be assembled within the locking device. The color status indicator 5.1 slides downward, thereby displaying a red color in a slot on the front end of the locking device, indicating the locking state of the locking device.

[0025] At the same time, the actuator 6 is used to assemble the color status indicator 5.1, wherein the actuator 6 is configured to:

[0026] having a geometric shape, preferably a rectangular shape; and

[0027] It includes a protrusion having a square shape with a circular recess at the lower end and at least one flat strip-shaped protrusion at the upper end, preferably two parallel flat strip-shaped protrusions on the vertical axis, wherein the actuator 6 is assembled with the latch control device 8, and the latch control device 8 is configured to have a narrow groove and a protrusion to be tightly fastened with the protrusion of the actuator 6.

[0028] The latch control device 8 of the locking device is configured in a rectangular shape and includes a first rectangular through hole, preferably two holes.

[0029] In addition, the latch control device 8 further includes two protrusions between its rectangular through holes.

[0030] There is a second rectangular through hole between the protrusions.

[0031] The upper end of the latch control device 8 includes at least one bar-shaped protrusion, preferably two vertical parallel protrusions,

[0032] There is a through hole between the two protrusions for fastening the protrusion of the actuator 6 .

[0033] The lower end of the latch control device 8 includes a rectangular protrusion, wherein the lower end also includes vertical parallel rod-shaped protrusions.

[0034] In addition, at the lower end above the parallel rod-shaped protrusion, the latch control device 8 further includes a first hole 8.3 and a second hole 8.4, which are spherical and can be tightly matched with the ball bearing 4.

[0035] Latch control device 8 includes a latch control slot 8.1 between its through-hole and upper protrusion, and a latch control slot 8.2 between its through-hole and lower protrusion. Latch control device 8 is assembled to housing 2 in a rectangular, preferably square, configuration, including a rectangular, preferably square, hole. The size and shape of these holes allow for precise connection with other components of the lock assembly.

[0036] In addition, above the central hole, a slot 2.1 is provided on the top of the housing 2 for mounting the housing 2 on the actuator 6.

[0037] The screw 12 is configured as a circular base including a small protruding rod-like portion, and

[0038] The housing 2, the stopper 6 and the screw 12 serve to support the latch control device 8 so that the latch can move up and down.

[0039] Actuator 6 engages latch control device 8 to move latches 7.1, 7.2. These latches 7.1, 7.2 are arranged parallel to the lock mechanism, mounted horizontally, and are mirror images with a certain spacing between them.

[0040] The latches 7.1 and 7.2 are configured as flat bars.

[0041] One end extends from the locking mechanism and includes a spherical vertical protrusion and

[0042] The other end mounted in the lock device is configured in a spherical shape.

[0043] In addition, spherical latch buttons 7.3, 7.4 are mounted on the latches 7.1, 7.2 between the vertical spherical protrusions. When the brake 6 is engaged with the latch control device 8, the spherical latch buttons 7.3, 7.4 located in the latch control grooves 8.1, 8.2 are pushed, thereby rotating the latch 7.1 upward and the latch 7.2 downward, and simultaneously entering the latch receiver 11 including the two holes.

[0044] The latch receiver 11 is configured as a rectangular plate, preferably a square, including at least one through hole, preferably two through holes,

[0045] The through hole is rectangular, preferably square.

[0046] At both ends, the latch receiver 11 includes a circular hole with a protruding area along the circumference for supporting screws 13, allowing the latch receiver 11 to be assembled and connected to the aluminum frame of the lock device component.

[0047] At the same time, the ball bearing 4 assembled into a spherical shape with the housing 2 moves and collides with the first spring 3, causing the ball bearing 4 located in the first hole 8.3 at the bottom of the latch control device 8 to move.

[0048] Therein, the latch control device 8 moves so that the ball bearing 4 is installed in the second hole 8.4, thereby generating sound and vibration, indicating that the lock device is in the locked state.

[0049] According to the present invention, a mechanism for activating a lock device to put it in an unlocked state, wherein when a lock button 1 mounted on the front end of the lock device is slid, the component will move upward, thereby causing a color status indicator 5.2 assembled inside the lock device to move upward and display green at the front end notch of the lock device, indicating that the lock device is in the unlocked state.

[0050] At the same time, as the lock button 1 slides, the actuator 6 is assembled to connect with the color status indicator 5.2 and engage with the latch control device 8, which is configured with slots and protrusions to precisely match the actuator 6, thereby causing the buttons 7.3, 7.4 of the latch located in the latch control slots 8.1, 8.2 to be pushed to move the latch 7.1 downward to lock, and simultaneously move the latch 7.2 upward away from the latch receiver 11 to lock or unlock the locking device, respectively. At the same time, the ball bearing 4 moves to collide with the spring 3, causing the ball bearing 4 to be located in the first hole 8.3, which is located at the bottom of the latch control device 8.

[0051] Therein, the latch control device 8 moves so that the ball bearing 4 is installed in the second hole 8.4, thereby generating sound and vibration to indicate that the locking device is in the unlocked state.

[0052] The invention discloses an installation method of a lock device for aluminum doors and windows, wherein the lock assembly is obliquely inserted into the aluminum frame groove through the hook 14 located at the lower part of the shell 2 and fixed on the aluminum frame.

[0053] Furthermore, according to the present invention, the automatic locking component 10 of the locking device comprises a first slot 10 . 1 and is provided with a lower protruding rod-shaped component, wherein the automatic locking component 10 is configured to functionally engage with the spring 9 .

[0054] On the contrary, the unloading of the aluminum alloy door and window lock device can be achieved by using a tool used in conjunction with the housing 2, wherein the tool is inserted into the slot 2.1 of the housing 2 and extends to the first slot 10.1 of the automatic locking component 10. This causes the automatic locking component 10 to slide downward, pushing the spring 9 and simultaneously pulling out the locking device.

[0055] Figure 3 A front view and a side view of another assembly example of various functional components of a lock device for aluminum alloy doors and windows are shown to illustrate views of the lock device when the left lock and the right lock are installed.

[0056] Furthermore, the lock device according to the present invention is characterized in that the latches 7.1 and 7.2 can be installed on the left and right sides, and the bolt can transition from the left to the right or from the right to the left.

[0057] The transition is facilitated by removing the screw 12 of the latch control 8, withdrawing the push rod 8 together with the latches 7.1 and 7.2, and then swapping the latches 7.1 and 7.2 to the other side. Subsequently, the latch control 8 is reinserted and the screw 12 is tightened to support the housing 2.

[0058] Any modifications made to the present invention will be readily understood and accomplished by those skilled in the art, and such modifications may be within the scope and intent of the present invention, as shown in the appended claims.

Claims

1. A locking device comprising: A locking button (1), a housing (2), a slot (2.1), a first spring (3), a second spring (9), a ball bearing (4), a color status indicator, an actuator (6), a first latch (7.1), a second latch (7.2), a latch control device (8), an automatic locking component (10), a first slot (10.1), a latch receiver (11), a screw and a hook (14), assembled together to form a lock device, characterized in that the lock device is equipped with a mechanism having color, sound and vibration status when the lock device is in a locked or unlocked state, wherein the mechanism is capable of installing the latch on the left and right sides.

2. The lock device according to claim 1, characterized in that: The color status indicator is activated by sliding the lock button (1) upward or downward, thereby causing the color status indicator to move upward or downward, thereby displaying a color to indicate the locked or unlocked state.

3. The lock device according to claim 1, wherein: The sound and vibration generating mechanism is activated by sliding the latch control device (8) so that it collides with the ball bearing (4) and the first spring (3), thereby generating sound and vibration to indicate a locked or unlocked state.

4. The lock device according to claim 1, wherein: The locking and unlocking mechanism is activated by sliding the locking button (1) so that the actuator (6) engages the latch control (8) and thus causes the latch button to be pushed to move the first latch (7.1) downward to lock and the second latch (7.2) upward to lock or unlock the lock device respectively.

5. The locking device according to any one of claims 1 to 4, characterized in that: The locking button (1) is assembled at the front of the locking device.

6. The lock device according to claim 1, characterized in that: The shell (2) is rectangular, a rectangular hole is provided on the shell (2), and a card slot is provided on the upper part of the rectangular hole.

7. The locking device according to claim 1 or 2, characterized in that: The color status indicator is configured to have a rectangular shape.

8. The locking device according to claim 1 or 4, characterized in that: The first latch (7.1) and the second latch (7.2) are constructed as rods, wherein one end extending from the locking device comprises a vertical protrusion, and the other end is assembled in the locking device and is spherical.

9. The lock device according to claim 8, characterized in that: The first latch (7.1) and the second latch (7.2) in the middle of the spherical protrusion are equipped with a spherical latch button.

10. The locking device according to claim 1 or 4, characterized in that: A latch control device (8) configured to have a rectangular shape includes a first rectangular through-hole.

11. The lock device according to claim 10, characterized in that: The latch control device (8) comprises two protrusions between the first rectangular through holes, wherein a second rectangular through hole is provided between the protrusions.

12. The lock device according to claim 11, characterized in that: The latch control device (8) comprises two vertically parallel strip-shaped protrusions at the upper end, wherein a through hole is present between the two strip-shaped protrusions, and the through hole is configured to closely match the protrusion of the actuator (6).

13. The lock device according to claim 12, characterized in that: The latch control device (8) includes a rectangular protrusion at the lower end, and the rectangular protrusion also includes a vertical parallel rod-shaped protrusion at the lower end.

14. The lock device according to claim 13, characterized in that: The latch control device (8) comprises a first hole (8.3) and a second hole (8.4) of spherical shape at the lower end above the parallel rod-shaped protrusions to closely fit with the ball bearing (4).

15. The lock device according to claim 13, characterized in that: The latch control device (8) comprises latch control grooves between the rectangular through hole and the upper strip protrusion and between the rectangular through hole and the lower strip protrusion of the latch control device (8).

16. The lock device according to claim 1, characterized in that The latch receiver (11) comprises a circular hole having a protruding area along the circumference for supporting a screw, so that the latch receiver (11) can be assembled to other components of the lock device.

17. The lock device according to claim 1, characterized in that: The automatic locking component (10) comprises the first slot (10.1) and is shaped to be provided with a lower protruding rod, wherein the automatic locking component (10) is configured to functionally properly engage with the second spring (9).