Spring bolt noise reduction device of intelligent door lock
By designing the noise reduction component composed of shock absorption rings and shock absorbers in the smart door lock, the noise problem when locking tongue rebounds, and simplifying the direction of the lock tongue by rotating the installation design, which achieves more efficient noise noise. Reduce and convenient assembly operation.
Patent Information
- Application Number
- CN202323463291.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-19
AI Technical Summary
The lock tongue of existing smart door locks will produce a lot of noise when it shrinks and rebounds, and when changing the direction of the lock tongue, the noise reduction component is easily lost and inconvenient to operate.
Design a smart door lock tongue lock noise reduction device, including locking, diagonal tongue components and noise reduction components. The noise reduction component consists of a shock absorption ring and a shock -absorbing block. The shock absorption ring is paste in the inside wall of the lock hole. The shock -absorbing block is set on the inside of the lock. The lock tongue is hit on the shock -reducing block when the lock tongue is rebounded to reduce the noise. The noise reduction component is installed in the lock, which is convenient to avoid loss when replacing the lock tongue.
Effectively reduce the noise during the contraction of the tongue and rebound, enhance the experience of the smart door lock, and simplify the process of replacement of the lock tongue, avoiding the loss of noise reduction components.
Smart Images
Figure CN222414416U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of intelligent door locks, and in particular to a lock tongue noise reduction device for an intelligent door lock. Background Art
[0002] The lock body of a smart lock generally has a square tongue and an inclined tongue. The inclined tongue cooperates with the door frame to lock the door, and the square tongue can further enhance security. In the process of opening and closing the door, the inclined tongue needs to be squeezed to shrink it, and when the inclined tongue pops out after shrinking, it will hit the lock body, and the impact noise is relatively large. In the prior art, manufacturers will add a plastic gasket between the inclined tongue and the guide plate to reduce the impact force when the inclined tongue pops out. This method has the following disadvantages: when installing a smart lock on a door in different directions on the left and right, the inclined tongue needs to be removed and the installation direction needs to be changed. Since the plastic gasket is installed between the inclined tongue and the guide plate, the plastic gasket also needs to be removed and reinstalled together with the guide plate, which makes the operation inconvenient, and the plastic gasket is small in size and is also easy to lose. Utility Model Content
[0003] In view of this, the utility model provides a lock tongue noise reduction device for an intelligent door lock which has good noise reduction effect and is convenient for changing the direction of the oblique tongue.
[0004] The purpose of the utility model is achieved through the following technical solutions:
[0005] A lock tongue noise reduction device for an intelligent door lock comprises: a lock shell, one side of which is connected to a side plate, and a lock hole is provided on the side plate; an inclined tongue assembly, comprising a lock tongue and a reset member; the lock tongue is slidably arranged in the lock shell, and a part of the lock tongue can extend out of the lock hole, the reset member is connected to the lock tongue and pushes the lock tongue toward the side plate; a noise reduction assembly, rotatably installed in the lock shell, comprising a shock absorbing ring and a plurality of shock absorbing blocks; the shock absorbing ring is attached to the inner side wall of the lock hole, and a plurality of shock absorbing blocks are respectively arranged on opposite sides of the shock absorbing ring and close to the side plate, and a plurality of grooves are provided on a side of the shock absorbing block close to the side plate.
[0006] In the above technical solution, when the lock tongue pops out after shrinking, since a shock-absorbing ring is provided on the inner wall of the lock hole, friction will be generated between the lock tongue and the shock-absorbing ring, thereby reducing the noise generated by the metal friction between the lock tongue and the side plate. In addition, after rebounding, the lock tongue will hit the shock-absorbing block instead of the side plate. The shock-absorbing block can play a role in buffering and silencing, so as to further reduce the noise generated by the rebound of the lock tongue, thereby improving the user experience of the smart door lock.
[0007] The above-mentioned noise reduction component is rotatably installed in the lock shell, that is, the noise reduction component is a component connected to the lock shell rather than a component directly placed on the lock shell. Therefore, when the lock tongue is changed, the noise reduction component will not be separated from the lock shell after the side panel is removed. It is only necessary to rotate the noise reduction component to separate it from the lock tongue, then the lock tongue can be taken out and changed. This can effectively avoid the loss of the noise reduction component during reversing, and also improves the convenience of assembly, with good versatility and practicality.
[0008] Optionally, in a possible implementation, the noise reduction component is rotatably installed in the lock housing through a sleeve, the noise reduction component is connected to the outer peripheral side of the sleeve, a fixing column is provided in the lock housing, and the sleeve is rotatably inserted into the fixing column.
[0009] In the above technical solution, the sleeve is located next to the lock tongue. Through the rotating and plug-in design of the sleeve, the noise reduction component can be rotated with the fixed column as the axis. The noise reduction component can be installed in the lock shell more stably and is not prone to loosening or falling off. When the noise reduction component needs to be replaced or repaired, it only needs to be pulled out of the sleeve from the fixed column and then reinserted into a new noise reduction component. The operation is simple and quick.
[0010] Optionally, in a possible implementation, limiting portions are provided on two opposite sides of the locking tongue, the limiting portions can abut against the shock absorbing block, and the shock absorbing block is located between the side plate and the limiting portions.
[0011] In the above technical solution, the design of the limiting part can limit the lock tongue and prevent the lock tongue from separating from the lock shell. When the lock tongue shrinks and pops out to reset, the limiting parts on both sides of the lock tongue will hit the shock-absorbing block, thereby limiting the lock tongue. This can also reduce the contact area between the lock tongue and the shock-absorbing block, so that the shock-absorbing block can better absorb vibration and impact, thereby further reducing the noise generated during the impact.
[0012] Optionally, in a possible implementation manner, the shock absorbing ring is further provided with a reinforcement portion, and the reinforcement portion is located on two sides of the shock absorbing ring adjacent to the shock absorbing block.
[0013] In the above technical solution, the design of the reinforcement part can increase the stiffness and strength of the shock-absorbing ring, so that it can better withstand the force and impact generated during the extension and retraction of the lock tongue, reduce the possibility of the shock-absorbing ring breaking during the friction with the lock tongue, thereby improving the stability and durability of the shock-absorbing ring.
[0014] Optionally, in a possible implementation, the reset member includes a top plate and an elastic member, the top plate is slidably disposed in the lock housing and one end of the top plate is connected to the lock tongue, and the top plate is elastically connected to the lock housing through the elastic member.
[0015] In the above technical solution, the top plate is elastically clamped in the lock shell and can slide relative to the lock shell. When the lock tongue is retracted into the lock shell, the elastic part will be compressed. After the force is unloaded on the lock tongue, the elastic part will generate a certain elastic force on the top plate and reset it. Therefore, the design of the top plate and the elastic part can ensure that the lock tongue can be accurately and quickly reset to the initial position during the extension and retraction process. The structure is simple and effective.
[0016] Optionally, in a possible implementation, a gear is rotatably installed in the lock housing, the gear is connected to a damper, and the top plate is provided with a tooth portion meshingly connected to the gear.
[0017] In the above technical solution, the setting of the damper can prevent the lock tongue from making a rapid impact on the shock-absorbing block when resetting. That is, when the lock tongue pops out and resets after shrinking, the top plate will not be quickly reset to the initial position due to the action of the damper due to the elastic member. Instead, the reset time will be slowed down by the use of the damper. This can avoid a severe impact on the shock-absorbing block, thereby further reducing the noise during reset and also increasing the service life of the noise reduction component.
[0018] Optionally, in a possible implementation, a limit plate is provided in the lock housing, the lock tongue is slidably clamped in the limit plate, and two ends of the elastic member are respectively abutted against the top plate and the limit plate.
[0019] In the above technical solution, the design of the limit plate can ensure that the lock tongue always remains in the correct position during the extension and retraction process, thereby avoiding collision or friction between the lock tongue and other components. At the same time, the limit plate can also limit the movement range of the lock tongue to avoid excessive wear or damage, and also facilitate the installation of the elastic part.
[0020] Optionally, in a possible implementation, the limiting plate is provided with an avoidance groove, and the top plate is passed through the avoidance groove.
[0021] In the above technical solution, the avoidance groove can prevent the limiting plate from interfering with the movement of the top plate, and at the same time can effectively reduce the installation space of the limiting plate and improve the space utilization rate in the lock housing.
[0022] Optionally, in a possible implementation, the limiting plate is a "U"-shaped plate.
[0023] In the above technical solution, the structural design of the "U"-shaped plate is simple and ingenious. Its two relatively parallel ends can just form a limiting space for the lock tongue, so that the lock tongue is always located in the limiting space to prevent it from being offset. At the same time, the end located at the bottom can also limit the elastic part, which facilitates the assembly of the elastic part.
[0024] Optionally, in a possible implementation manner, the elastic member is a metal spring or elastic rubber.
[0025] In the above technical solution, metal springs and elastic rubber are both commonly used elastic materials, each with its own advantages. Metal springs have high elasticity and rigidity, and can withstand greater forces and impacts. Elastic rubber has good flexibility and shock absorption performance, and can absorb more vibrations and impacts.
[0026] Compared with the prior art, the utility model has the following beneficial effects:
[0027] The lock tongue noise reduction device of the smart door lock of the utility model generates friction between the lock tongue and the shock-absorbing ring by setting a shock-absorbing ring, thereby reducing the noise generated by the friction. After rebounding, the lock tongue will hit the shock-absorbing block instead of hitting the side plate. The shock-absorbing block can play a role of buffering and silencing, further reducing the noise generated by the rebound of the lock tongue and improving the user experience of the smart door lock. In addition, the noise reduction component is rotatably installed in the lock shell. When the lock tongue is reversed, the noise reduction component will not be separated from the lock shell after the side plate is removed. The lock tongue can be taken out and reversed by simply rotating the noise reduction component to separate it from the lock tongue. This can effectively avoid the loss of the noise reduction component during reversal, and also improve the convenience of assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0029] Figure 1 The figure is a schematic diagram of the overall structure of an embodiment of the utility model.
[0030] Figure 2 It is an exploded view of the overall structure of an embodiment of the utility model.
[0031] Figure 3 It is a structural schematic diagram of a shock absorbing assembly according to an embodiment of the utility model.
[0032] Figure 4 This is an enlarged view of part A.
[0033] Figure markings: 1-lock housing; 11-fixing column; 2-side plate; 21-lock hole; 3-oblique tongue assembly; 31-oblique tongue; 311-limiting part; 32-resetting member; 321-top plate; 3211-tooth portion; 322-elastic member; 4-noise reduction assembly; 41-shock-absorbing ring; 42-shock-absorbing block; 421-groove body; 43-sleeve; 44-reinforcement part; 5-gear; 6-damper; 7-limiting plate. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0036] Please refer to Figure 1-Figure 4 .
[0037] The present embodiment provides a lock tongue noise reduction device for an intelligent door lock, comprising: a lock shell 1, a side plate 2 is connected to one side of the lock shell 1, and a lock hole 21 is provided on the side plate 2; an inclined tongue assembly 3, comprising a lock tongue 31 and a reset member 32; the lock tongue 31 is slidably arranged in the lock shell 1, and a part of the lock tongue 31 can extend out of the lock hole 21, and the reset member 32 is connected to the lock tongue 31 and pushes the lock tongue 31 toward the side plate 2; a noise reduction assembly 4, which is rotatably installed in the lock shell 1, and comprises a shock absorbing ring 41 and a plurality of shock absorbing blocks 42; the shock absorbing ring 41 is attached to the inner side wall of the lock hole 21, and the plurality of shock absorbing blocks 42 are respectively arranged on opposite sides of the shock absorbing ring 41 and close to the side plate 2, and a plurality of grooves 421 are provided on the side of the shock absorbing block 42 close to the side plate 2.
[0038] In this embodiment, when the lock tongue 31 is retracted and then popped out, since a shock absorbing ring 41 is provided on the inner side wall of the lock hole 21, friction will be generated between the lock tongue 31 and the shock absorbing ring 41, thereby reducing the noise generated by the metal friction between the lock tongue 31 and the side plate 2. In addition, after rebounding, the lock tongue 31 will hit the shock absorbing block 42 instead of hitting the side plate 2. The shock absorbing block 42 can play a role of buffering and silencing, so as to further reduce the noise generated by the rebound of the lock tongue 31, thereby improving the user experience of the smart door lock. It should be noted that a plurality of grooves 421 are provided on the shock absorbing block 42, so that ribs will be formed between adjacent grooves 421, thereby increasing the thickness of the shock absorbing block 42 while improving the flexibility of the shock absorbing block 42, avoiding stress concentration on the shock absorbing block 42, and improving the strength and service life of the shock absorbing block 42.
[0039] The noise reduction component 4 of the present embodiment is rotatably installed in the lock shell 1, that is, the noise reduction component 4 is a component connected to the lock shell 1, rather than a component directly placed on the lock shell 1. Therefore, when the lock tongue 31 is reversed, the noise reduction component 4 will not be separated from the lock shell 1 after the side plate 2 is removed. It is only necessary to rotate the noise reduction component 4 to separate it from the lock tongue 31, and then the lock tongue 31 can be taken out and reversed. This can effectively avoid the loss of the noise reduction component 4 during reversing, and also improves the convenience of assembly, with good versatility and practicality.
[0040] In a possible implementation, the noise reduction component 4 is rotatably installed in the lock housing 1 through the sleeve 43, the noise reduction component 4 is connected to the outer peripheral side of the sleeve 43, a fixing column 11 is provided in the lock housing 1, and the sleeve 43 is rotatably plugged into the fixing column 11. Specifically, the sleeve 43 is connected to the shock absorbing block 42 located on one side of the shock absorbing ring 41, and the number and shape of the shock absorbing blocks 42 located on both sides of the shock absorbing ring 41 can be adaptively designed according to the internal space of the lock housing 1.
[0041] The sleeve 43 of this embodiment is located beside the lock tongue 31. Through the rotating plug-in design of the sleeve 43, the noise reduction component 4 can be rotated with the fixed column 11 as the axis. The noise reduction component 4 can be installed in the lock housing 1 more stably, and is not easy to loosen or fall off. When the noise reduction component 4 needs to be replaced or repaired, it is only necessary to pull the sleeve 43 out of the fixed column 11 and then reinsert the new noise reduction component 4. The operation is simple and quick. It should also be noted that the sleeve 43, the shock absorbing ring 41 and the shock absorbing block 42 of this embodiment are an integrally formed plastic structure.
[0042] In a possible implementation, limiting portions 311 are provided on two opposite sides of the locking tongue 31 . The limiting portions 311 can abut against the shock absorbing block 42 . The shock absorbing block 42 is located between the side plate 2 and the limiting portions 311 .
[0043] The design of the limiting portion 311 can limit the lock tongue 31 and prevent the lock tongue 31 from separating from the lock housing 1. When the lock tongue 31 shrinks and pops out to reset, the limiting portions 311 located on both sides of the lock tongue 31 will hit the shock absorbing block 42, thereby limiting the lock tongue 31. This can also reduce the contact area between the lock tongue 31 and the shock absorbing block 42, so that the shock absorbing block 42 can better absorb vibration and impact, thereby further reducing the noise generated during the impact.
[0044] In a possible implementation, the shock absorbing ring 41 is further provided with a reinforcement part 44, which is located on both sides of the shock absorbing ring 41 adjacent to the shock absorbing block 42. The design of the reinforcement part 44 can increase the rigidity and strength of the shock absorbing ring 41, so that it can better withstand the force and impact generated during the extension and contraction of the lock tongue 31, reduce the possibility of the shock absorbing ring 41 being broken during the friction with the lock tongue 31, and thus improve the stability and durability of the shock absorbing ring 41.
[0045] In a possible implementation, the reset member 32 includes a top plate 321 and an elastic member 322 . The top plate 321 is slidably disposed in the lock housing 1 and one end of the top plate 321 is connected to the lock tongue 31 . The top plate 321 is elastically connected to the lock housing 1 via the elastic member 322 .
[0046] The top plate 321 of the present embodiment is elastically clamped in the lock shell 1 and can slide relative to the lock shell 1. When the lock tongue 31 is retracted into the lock shell 1, the elastic member 322 will be compressed. After the force is released from the lock tongue 31, the elastic member 322 will generate a certain elastic force on the top plate 321 and restore it to its original position. Therefore, the design of the top plate 321 and the elastic member 322 can ensure that the lock tongue 31 can be accurately and quickly restored to its original position during the extension and retraction process, and the structure is simple and effective.
[0047] In a possible implementation, a gear 5 is rotatably mounted in the lock housing 1, the gear 5 is connected to a damper 6, and the top plate 321 is provided with a tooth portion 3211 meshing with the gear 5. The damper 6 can be provided to prevent the lock tongue 31 from having a rapid impact on the damping block 42 when resetting, that is, when the lock tongue 31 is retracted and then pops out to reset, the top plate 321 is affected by the damper 6, and the top plate 321 will not be quickly reset to the initial position due to the elastic member 322, but will slow down the reset time under the use of the damper 6, so that a violent impact on the damping block 42 can be avoided, thereby further reducing the noise during reset, and at the same time, the service life of the noise reduction component 4 can be improved.
[0048] In a possible implementation, a limit plate 7 is provided in the lock housing 1, the lock tongue 31 is slidably clamped in the limit plate 7, and the two ends of the elastic member 322 are respectively abutted against the top plate 321 and the limit plate 7. The design of the limit plate 7 can ensure that the lock tongue 31 always remains in the correct position during the extension and retraction process, thereby preventing the lock tongue 31 from colliding or rubbing with other components. At the same time, the limit plate 7 can also limit the movement range of the lock tongue 31 to prevent it from being excessively worn or damaged, and also facilitate the installation of the elastic member 322.
[0049] In a possible implementation, the limiting plate 7 is provided with an avoidance groove, and the top plate 321 is inserted into the avoidance groove. The avoidance groove can prevent the limiting plate 7 from interfering with the movement of the top plate 321, and can effectively reduce the installation space of the limiting plate 7, thereby improving the space utilization rate in the lock housing 1.
[0050] In a possible implementation, the limit plate is a "U"-shaped plate. The top plate of this embodiment is an "L"-shaped structure as a whole, a part of the "L"-shaped structure is slidably disposed in the lock housing, and the other part abuts against the lock tongue and is opposite to the bottom end of the limit plate.
[0051] The structural design of the "U"-shaped plate is simple and ingenious. Its two relatively parallel ends can just form a limiting space for the lock tongue, so that the lock tongue is always located in the limiting space to prevent it from deflecting. At the same time, the end located at the bottom can also limit the elastic part, facilitating the assembly of the elastic part.
[0052] In a possible implementation, the elastic member is a metal spring or an elastic rubber. The present embodiment is preferably a metal spring. Both metal springs and elastic rubbers are commonly used elastic materials, each having its own advantages. Metal springs have high elasticity and rigidity, and can withstand greater forces and impacts. Elastic rubbers have better flexibility and shock absorption performance, and can absorb more vibrations and impacts.
[0053] It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. In the description of the embodiments of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the application product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0054] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.
[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A lock tongue noise reduction device for an intelligent door lock, characterized in that: include: A lock housing, one side of which is connected to a side plate, and a lock hole is provided on the side plate; The oblique bolt assembly comprises a locking bolt and a reset member; the locking bolt is slidably disposed in the lock housing, and a portion of the locking bolt can extend out of the lock hole, and the reset member is connected to the locking bolt and pushes the locking bolt toward the side plate; The noise reduction component is rotatably installed in the lock housing, and includes a shock-absorbing ring and a plurality of shock-absorbing blocks; the shock-absorbing ring is fitted to the inner wall of the lock hole, and the plurality of shock-absorbing blocks are respectively arranged on opposite sides of the shock-absorbing ring and close to the side plate, and a plurality of grooves are provided on one side of the shock-absorbing block close to the side plate.
2. The lock tongue noise reduction device of the smart door lock according to claim 1, characterized in that: The noise reduction component is rotatably installed in the lock housing through a sleeve, the noise reduction component is connected to the outer peripheral side of the sleeve, a fixing column is provided in the lock housing, and the sleeve is rotatably plugged into the fixing column.
3. The lock tongue noise reduction device of the smart door lock according to claim 1, characterized in that: The locking tongue is provided with limiting parts on two opposite sides thereof, and the limiting parts can abut against the shock absorbing block, and the shock absorbing block is located between the side plate and the limiting parts.
4. The lock tongue noise reduction device of the smart door lock according to claim 1, characterized in that: The shock absorbing ring is also provided with a reinforcement part, and the reinforcement part is located on two sides of the shock absorbing ring adjacent to the shock absorbing block.
5. The lock tongue noise reduction device of the smart door lock according to claim 1, characterized in that: The reset member comprises a top plate and an elastic member. The top plate is slidably clamped in the lock housing and one end of the top plate is connected to the lock tongue. The top plate is elastically connected to the lock housing through the elastic member.
6. The lock tongue noise reduction device of the smart door lock according to claim 5, characterized in that: A gear is rotatably mounted in the lock housing, the gear is connected to a damper, and the top plate is provided with a toothed portion meshing with the gear.
7. The lock tongue noise reduction device of the smart door lock according to claim 5, characterized in that: A limiting plate is arranged in the lock housing, the locking tongue is slidably clamped in the limiting plate, and two ends of the elastic member are respectively in contact with the top plate and the limiting plate.
8. The lock tongue noise reduction device of the smart door lock according to claim 7, characterized in that: The limiting plate is provided with an avoidance groove, and the top plate is penetrated in the avoidance groove.
9. The lock tongue noise reduction device of the smart door lock according to claim 7, characterized in that: The limiting plate is a "U"-shaped plate.
10. The lock tongue noise reduction device of the smart door lock according to any one of claims 5 to 9, characterized in that: The elastic member is a metal spring or elastic rubber.