Aluminum alloy lock cylinder and lock tongue
By designing the multi-point locking and buffering structure of the aluminum alloy lock core and lock tongue, the problem of easy damage to the lock tongue is solved, and the stability and safety of the door lock are improved.
Patent Information
- Application Number
- CN202422238422.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-12
AI Technical Summary
Existing lock tongues are prone to displacement or damage when impacted or pried, resulting in low stability and safety of door locks.
An aluminum alloy lock core and lock tongue are designed, and the auxiliary lock tongue is retractable through a buffer spring, and the locking point is increased through a multi-point locking method. Combined with corrosion-resistant aluminum alloy material and a variety of socket designs to improve stability and safety.
Through the multi-point locking and buffering structure, the stability and pry resistance of the door lock are significantly improved, and the overall safety and protection performance of the door lock are enhanced.
Smart Images
Figure CN223089080U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lock cores and lock tongues, and particularly relates to an aluminum alloy lock core and a lock tongue. Background Art
[0002] The lock core and the lock tongue are two key components in a lock, which are used to control the opening and closing of the lock. The telescopic lock tongue is used to connect the door to the door frame to achieve the closure of the door, while the lock core is used to cooperate with a key of a specific shape. Only when the correct key is inserted into the lock core and rotated, the mechanism inside the lock core will move accordingly, thereby controlling the telescopic movement of the lock tongue, and thus controlling the opening and closing of the lock.
[0003] Currently, when the telescopic lock tongue connects the door to the door frame to achieve locking, the lock tongue will be inserted into the lock hole of the door frame. However, since the lock tongue is simply inserted into the lock hole of the door frame, when the lock tongue inserted into the lock hole of the door frame is impacted or pried, since the lock tongue is the only locking point, it needs to bear all the impact force or prying force alone, which may cause the lock tongue to be more likely to be displaced or damaged, and its stability will be relatively low, thereby reducing the overall safety and stability of the door lock. Content of the Utility Model
[0004] The purpose of the utility model is to provide an aluminum alloy lock core and a lock tongue to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A lock tongue, comprising:
[0006] A connecting block, on the surface of which a lock tongue connected to the door lock is fixed. An auxiliary lock tongue is slidably connected inside the lock tongue, and the other end of the auxiliary lock tongue protrudes from the lock tongue. A buffer spring is arranged inside the lock tongue, and one end of the buffer spring is connected to the end of the auxiliary lock tongue located inside the lock tongue, so that the auxiliary lock tongue can be telescopically retracted into the lock tongue through the buffer spring and has a buffering effect, thereby increasing the stability and protection performance of the door lock.
[0007] Preferably, arc-shaped grooves are provided on both sides of the lock tongue.
[0008] An aluminum alloy lock core, which includes the above-mentioned lock tongue.
[0009] Preferably, it further includes a lock core. An insertion port for inserting a key to drive the lock core to rotate to unlock the lock tongue inside the door lock is provided on the surface of the lock core. The insertion port is a cross-shaped insertion port, and the cross-shaped insertion port is used for inserting a cross-shaped key.
[0010] Preferably, the insertion port is a straight-shaped insertion port, and the straight-shaped insertion port is used for inserting a straight-shaped key.
[0011] Preferably, a plurality of tooth grooves are provided inside the lock core and at the bottom of the cross-shaped socket, and the tooth grooves are matched with the serrated shapes on the surface of the cross-shaped key.
[0012] Preferably, a plurality of openings are provided on the surfaces of the lock tongue and the lock core.
[0013] Preferably, both the lock tongue and the lock core are made of corrosion-resistant aluminum alloy material.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: By inserting the connecting block into the installation holes provided on the surface of the door lock frame, and the lock tongue can be inserted into the lock hole inside the lock, so as to realize the locking of the door and the door frame. When the lock tongue is inserted into the lock hole inside the door frame, the auxiliary lock tongue that can be telescopically arranged on the surface of the lock tongue
[0015] can serve as an additional locking mechanism in addition to the lock tongue. Through the auxiliary lock tongue, the locking points of the lock can be increased. When the lock is closed, not only the lock tongue is inserted into the lock hole of the door frame, but also the auxiliary lock tongue is simultaneously inserted into or clamped into the corresponding clamping holes provided inside the door frame. Thus, through the multi-point locking method, the stability and anti-prying ability of the door lock can be significantly improved. When the door lock is subjected to impact force or prying force, the multi-point locking method can prevent the lock tongue from being displaced or damaged, thereby greatly improving the overall safety and stability of the door lock;
[0016] And the lock core can cooperate with a cross-shaped key or a flat key to be inserted into the cross-shaped socket or the flat socket to drive the lock core to rotate. Thus, when the correct key is inserted into the lock core and rotated, the needle pieces of the internal transmission mechanism of the lock core will move accordingly, and then the lock tongue is pushed by the needle pieces to move from the extended state to the retracted state, thereby completing the unlocking of the door lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic structural diagram of the lock tongue of the present utility model;
[0018] Figure 2 is a schematic structural diagram of the first perspective of the cross-shaped socket on the surface of the lock core of the present utility model;
[0019] Figure 3 is a schematic structural diagram of the first perspective of the flat socket on the surface of the lock core of the present utility model;
[0020] Figure 4 is a schematic structural diagram of the second perspective of the cross-shaped socket on the surface of the lock core of the present utility model;
[0021] Figure 5 is a schematic structural diagram of the second perspective of the flat socket on the surface of the lock core of the present utility model;
[0022] Figure 6 is a schematic structural diagram of the tooth grooves inside the cross-shaped socket of the present utility model.
[0023] In the figure: 1, connecting block; 2, locking tongue; 3, subsidiary locking tongue; 4, arc-shaped groove; 5, lock core; 6, cross-shaped socket; 7, flat-blade socket; 8, tooth groove; 9, opening. Detailed implementation manners
[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0025] The present invention provides a Figure 1-6 locking tongue as shown, including:
[0026] A connecting block 1, on the surface of the connecting block 1, a locking tongue 2 connected to the door lock is fixed. A subsidiary locking tongue 3 is slidably connected in the locking tongue 2, and the other end of the subsidiary locking tongue 3 protrudes from the locking tongue 2. A buffer spring is arranged in the locking tongue 2, and one end of the buffer spring is connected to one end of the subsidiary locking tongue 3 located inside the locking tongue 2, so that the subsidiary locking tongue 3 can be telescopically inserted into the locking tongue 2 through the buffer spring and has a buffering effect, thereby increasing the stability and protection performance of the door lock.
[0027] Arc-shaped grooves 4 are arranged on both sides of the locking tongue 2.
[0028] An aluminum alloy lock core, the aluminum alloy lock core includes the above-mentioned locking tongue.
[0029] It further includes a lock core 5. On the surface of the lock core 5, there is a socket for inserting a key to drive the lock core 5 to rotate to unlock the locking tongue 2 inside the door lock. The socket is a cross-shaped socket 6, and the cross-shaped socket 6 is used for inserting a cross-shaped key.
[0030] The socket is a flat-blade socket 7, and the flat-blade socket 7 is used for inserting a flat-blade key.
[0031] Inside the lock core 5 and at the bottom of the cross-shaped socket 6, there are several tooth grooves 8. The tooth grooves 8 match the shape of the saw teeth on the surface of the cross-shaped key. When the cross-shaped key is inserted into the cross-shaped socket 6 of the lock core 5, the saw teeth on the key will enter and correspond to the tooth grooves 8 inside the lock core 5, so that when the key is turned, the lock core 5 can be driven to rotate.
[0032] On the surfaces of the locking tongue 2 and the lock core 5, there are several openings 9. The openings 9 can be used to reduce the weight of the locking tongue 2 and
[0033] the lock core 5, thereby reducing the weight and cost of the entire lock.
[0034] The lock tongue 2 and the lock core 5 are both made of corrosion-resistant aluminum alloy, so that the lock tongue 2 and the lock core 5 are not easy to rust when used in a humid environment. The lock tongue 2 and the lock core 5 are die-cast, and the excess material from the die-casting can be recycled to avoid waste, greatly reducing the production cost. The aluminum alloy material has the characteristics of high strength and high hardness, and the high-strength lock core 5 is not easy to deform when the keyhole is slotted in the later stage.
[0035] The aluminum alloy lock core and the lock tongue are installed by inserting the connection block 1 into the installation hole provided on the surface of the door lock frame, and the lock tongue 2 can be inserted into the lock hole in the lock to achieve locking of the door and the door frame. When the lock tongue 2 is inserted into the lock hole in the door frame, the auxiliary lock tongue 3 which is retractably provided on the surface of the lock tongue 2 can be used as an additional locking mechanism in addition to the lock tongue 2. The locking points of the lock can be increased by the auxiliary lock tongue 3, so that when the lock is closed, not only the lock tongue 2 is inserted into the lock hole of the door frame, but also the auxiliary lock tongue 3 is simultaneously inserted or clamped into the corresponding clamping hole provided in the door frame, so that the stability and anti-prying ability of the door lock can be significantly improved by the multi-point locking method, so that when the door lock is subjected to impact force or prying force, the multi-point locking method can prevent the lock tongue 2 from being displaced or damaged, thereby greatly improving the overall safety and stability of the door lock;
[0036] The lock cylinder 5 can cooperate with a cross-shaped key or a straight-shaped key to be inserted into the cross-shaped socket 6 or the straight-shaped socket 7 to drive the lock cylinder 5 to rotate. Therefore, when the correct key is inserted into the lock cylinder 5 and rotated, the needle piece of the transmission mechanism inside the lock cylinder 5 will move accordingly, thereby pushing the lock tongue 2 to move through the needle piece, so that the lock tongue 2 changes from an extended state 2 to a retracted state, thereby completing the unlocking of the door lock.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A locking tongue, characterized in that, Comprising: A connecting block (1), on the surface of the connecting block (1) is fixed a locking tongue (2) connected to a door lock. A secondary locking tongue (3) is slidably connected inside the locking tongue (2), and the other end of the secondary locking tongue (3) protrudes from the locking tongue (2). A buffer spring is provided inside the locking tongue (2), and one end of the buffer spring is connected to the end of the secondary locking tongue (3) located inside the locking tongue (2), so that the secondary locking tongue (3) can be telescopically inserted into the locking tongue (2) through the buffer spring.
2. The tongue lock according to claim 1, characterized in that: Arc-shaped grooves (4) are provided on both sides of the locking tongue (2).
3. An aluminum alloy lock core, characterized in that: The aluminum alloy lock core includes the locking tongue described in any one of claims 1-2.
4. The aluminum alloy lock core according to claim 3, characterized in that: It further includes a lock core (5). On the surface of the lock core (5) is provided a socket for inserting a key to drive the lock core (5) to rotate to unlock the locking tongue (2) inside the door lock. The socket is a cross-shaped socket (6), and the cross-shaped socket (6) is for inserting a cross-shaped key.
5. The aluminum alloy lock core according to claim 4, wherein: The socket is a straight-slot socket (7), and the straight-slot socket (7) is for inserting a straight-slot key.
6. The aluminum alloy lock core according to claim 4, characterized in that: Inside the lock core (5) and at the bottom of the cross-shaped socket (6) are provided a number of tooth grooves (8), and the tooth grooves (8) match the shape of the saw teeth on the surface of the cross-shaped key.
7. The aluminum alloy lock core according to claim 3, wherein: A number of openings (9) are provided on the surfaces of the locking tongue (2) and the lock core (5).
8. The aluminum alloy lock core according to claim 3, characterized in that: Both the locking tongue (2) and the lock core (5) are made of corrosion-resistant aluminum alloy material.