Spring bolt linkage mechanism
By simplifying the structure of the lock tongue linkage mechanism, using sliding connections and elastic parts to drive, the problem of miniaturization and aesthetics of traditional locks on screens is solved, and a safe and reliable miniaturization lock design is achieved.
Patent Information
- Application Number
- CN202421711691.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-18
AI Technical Summary
Traditional locks are difficult to achieve miniaturization and aesthetics in environments with limited installation space, especially when installed on screens, the structure is complex and inconvenient.
A locking tongue linkage mechanism is designed. By simplifying the structure, the elastic member driving between the slidingly connected locking tongue one and the locking tongue two is driven to realize the switching of locking and unlocking states. Combined with the cooperation of the slide, fastener and elastic member, the sliding guide is reduced and the need to meet the miniaturization.
The lock is miniaturized and concealed, ensuring a safe and reliable locking effect, while simplifying the assembly process and improving locking accuracy and efficiency.
Smart Images
Figure CN223177289U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of locks, and particularly relates to a lock tongue linkage mechanism. Background Art
[0002] Although traditional locks play an important role in ensuring security, their designs are often accompanied by the characteristics of complex structures and large volumes. Such characteristics are feasible in most application scenarios, but they become particularly inconvenient or even infeasible when faced with environments with limited installation space.
[0003] For window screens with strict requirements for installation space, in order to maintain the aesthetics and concealment of the product, the installation position of the lock is often restricted to a very small area, and the thickness of the window screen itself is very small. Therefore, the miniaturization of the lock is even more important. Summary of the Utility Model
[0004] In order to solve the above technical problems, the utility model discloses a lock tongue linkage mechanism, which has the advantages of simple structure and small installation volume.
[0005] The specific technical solution of the utility model is as follows:
[0006] A lock tongue linkage mechanism, comprising:
[0007] A first lock tongue and a second lock tongue, the first lock tongue is slidably connected to the second lock tongue, and the first lock tongue and the second lock tongue slide relative to each other to switch between a locked state and an unlocked state;
[0008] Wherein, an elastic member is arranged between the first lock tongue and the second lock tongue for driving the first lock tongue and the second lock tongue to reset to the locked state.
[0009] The first lock tongue is slidably connected to the second lock tongue, which reduces the sliding guides acting on the first lock tongue and the second lock tongue compared with the prior art. Thus, on the basis of meeting safety and reliability, the requirement of structural miniaturization is satisfied. When the lock tongue mechanism is in the unlocked state, the elastic member is in an energy storage state. After the elastic member releases the stored energy, it drives the lock tongue mechanism to switch to the locked state to achieve reset. This structure is simple and easy to implement.
[0010] Preferably, a slideway and a fastener are arranged on the first lock tongue, the slideway and the fastener are arranged oppositely to clamp and limit the second lock tongue between the slideway and the fastener, and a sliding part slidably matched with the slideway is arranged on the second lock tongue.
[0011] This structure is simple and compact in assembly; the slideway and the fastener can limit the movement of the first lock tongue to the second lock tongue, thereby effectively improving the efficiency of the relative movement between the first lock tongue and the second lock tongue.
[0012] Preferably, the root of the fastener and the first lock tongue can deform relative to each other.
[0013] Since the root of the fastener can deform relative to the first locking tongue, before installation, the sliding part of the second locking tongue can be installed between the sliding part of the first locking tongue and the fastener through the deformation of the fastener. After installation, the fastener can reset through its own deformation, so that the second locking tongue can stably achieve sliding fit with the first locking tongue, and this structure also enables the first locking tongue and the second locking tongue to achieve overlapping assembly, thereby further reducing the installation volume.
[0014] Preferably, the sliding part and the fastener are respectively provided with mutually sliding contact surfaces, and the two sliding contact surfaces are in sliding contact to make the fastener open relative to the first locking tongue.
[0015] This structure is simple and easy to operate, can quickly realize the assembly of the first locking tongue and the second locking tongue, and does not require the use of tools.
[0016] Preferably, a stroke limiting part is provided on the second locking tongue, and the stroke limiting part cooperates with the fastener to limit the relative sliding of the first locking tongue and the second locking tongue.
[0017] The stroke limiting part can limit the sliding length of the second locking tongue relative to the first locking tongue, avoiding excessive movement of the second locking tongue relative to the first locking tongue and disengaging from the first locking tongue, so as to better meet the locking requirements of the locking tongue mechanism.
[0018] Preferably, in the direction perpendicular to the relative sliding of the first locking tongue and the second locking tongue, the elastic member is limited and clamped between the first locking tongue and the second locking tongue.
[0019] The deformation direction of the elastic member is limited, so that it can only store energy or release energy in a preset direction, thereby improving the reset efficiency of the first locking tongue and the second locking tongue.
[0020] Preferably, the first locking tongue and the second locking tongue respectively have connecting parts protruding towards the other; the elastic member is arranged between the two connecting parts.
[0021] The connecting parts are arranged in the middle of the locking tongue linkage mechanism to maintain balance, which can reduce the number of elastic members and ensure the reset driving effect of the elastic members.
[0022] Preferably, the side of the connecting part away from the elastic member is configured as a pressing part for applying force to make the elastic member in an energy storage state.
[0023] One side of the connecting part is used to connect the elastic member, and the other side is used to apply force to drive the elastic member to store energy. Therefore, multiple functions are realized through the same component, thereby further reducing the number of components, and the force application direction of the pressing part is consistent with the deformation direction of the elastic member, so it can also well ensure the deformation efficiency of the elastic member.
[0024] Preferably, both the first locking tongue and the second locking tongue are provided with deformation limiting parts, and the elastic member is wholly or partially located in the deformation limiting parts.
[0025] The deformation limiting part can provide a preset deformation direction for the elastic member, that is to say, the elastic member can only deform in the guiding direction of the deformation limiting part, thus avoiding bending, twisting, etc. of the elastic member, and ensuring the deformation efficiency of the elastic member.
[0026] Preferably, the first locking tongue / the second locking tongue is provided with an extension member.
[0027] The extension member can be adapted to different models of window screens, and can expand the application range of the lock.
[0028] Preferably, it further includes a guiding member for limiting the movement direction of the extension member.
[0029] The guiding member can guide the relative movement of the extension member, ensure that the proximal end and the distal end of the locking tongue linkage mechanism have a consistent movement path, and thus ensure the locking effect.
[0030] Compared with the prior art, the utility model has a simple structure and is convenient to assemble, has the characteristics of miniaturization, requires a small assembly volume, has assembly concealment, and can well maintain the aesthetics of the window screen; the utility model has high locking accuracy. When the first locking tongue and the second locking tongue cooperate with the elastic member, due to the high deformation efficiency of the elastic member, it also has the characteristic of high locking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 is a schematic diagram of an embodiment of the utility model;
[0032] Figure 2 is Figure 1 the A-A cross-sectional view of;
[0033] Figure 3 is an exploded view of one direction of an embodiment of the utility model;
[0034] Figure 4 is an exploded view of another direction of an embodiment of the utility model;
[0035] Figure 5 is a schematic diagram of the arrangement of the extension member and the guiding member in an embodiment of the utility model.
[0036] In the figure: 1 - the first locking tongue; 2 - the second locking tongue; 3 - the elastic member; 4 - the slideway; 5 - the fastener; 6 - the sliding part; 7 - the section plane; 8 - the stroke limiting part; 9 - the connecting part; 10 - the connecting column; 11 - the deformation limiting part; 12 - the extension member; 13 - the guiding member. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0037] To enable those skilled in the art to better understand the technical solution of the present utility model, the following further detailed description of the present utility model will be given in conjunction with specific embodiments.
[0038] As Figures 1 to 4 shown, a locking tongue linkage mechanism includes a first locking tongue 1 and a second locking tongue 2. The first locking tongue 1 is slidably connected to the second locking tongue 2, and the first locking tongue 1 and the second locking tongue 2 slide relative to each other to switch between a locked state and an unlocked state. An elastic member 3 is provided between the first locking tongue 1 and the second locking tongue 2 for driving the first locking tongue 1 and the second locking tongue 2 to reset to the locked state.
[0039] In this embodiment, the first locking tongue 1 and the second locking tongue 2 in the locking tongue linkage mechanism can achieve two-way locking. Through the two locking tongues, there are two locking points between the window screen and the window frame, so that, compared with single-way locking, it has better safety and reliability. On this basis, the first locking tongue 1 and the second locking tongue 2 can achieve the purpose of sliding guidance for each other, thus avoiding the need to separately provide a guiding member, so the assembly volume can be well reduced and miniaturization can be achieved. Specifically, as Figures 1 to 4 shown, a slideway 4 and a fastener 5 are provided on the first locking tongue 1. The slideway 4 and the fastener 5 are arranged opposite to each other to clamp and limit the second locking tongue 2 between the slideway 4 and the fastener 5. A sliding portion 6 slidably engaged with the slideway 4 is provided on the second locking tongue 2. On the basis of satisfying the relative sliding between the first locking tongue 1 and the second locking tongue 2, the first locking tongue 1 and the second locking tongue 2 are buckled together to be stably connected together, so as to better achieve the effect of sliding guidance. Further, the root of the fastener 5 and the first locking tongue 1 can be deformed relative to each other. When there is an outward acting force on the fastener 5, the fastener 5 can open relative to the first locking tongue 1. After the force is removed, the fastener 5 resets. Therefore, by using the deformation of the root of the fastener 5, the buckling between the first locking tongue 1 and the second locking tongue 2 can be well satisfied. Specifically, the sliding portion 6 and the fastener 5 are respectively provided with mutually slidable contact surfaces 7, and the two contact surfaces 7 are in sliding contact to make the fastener 5 open relative to the first locking tongue 1. As Figure 2 shown, let the first locking tongue 1 and the second locking tongue 2 be assembled in the vertical direction. The second locking tongue 2 remains stationary, and the first locking tongue 1 is buckled on the second locking tongue 2. At this time, the contact surface 7 on the fastener 5 of the first locking tongue 1 and the contact surface 7 on the sliding portion 6 of the second locking tongue 2 are in contact. During the continuous movement of the first locking tongue 1, the mutual acting force between the two contact surfaces 7 drives the fastener 5 to swing outward relative to the first locking tongue 1 and open, so that the sliding portion 6 can only enter the slideway 4. At this time, the two contact surfaces 7 are separated from each other, so that the fastener 5 resets and buckles on the sliding portion 6, thus realizing the assembly of the first locking tongue 1 and the second locking tongue 2. It can be known that this assembly structure is simple and is realized in an overlapping structure. In addition to improving the assembly process efficiency, it can also effectively save the installation volume.
[0040] As Figure 4As shown, in order to prevent the relative sliding distance between the first locking tongue 1 and the second locking tongue 2 from being too long and causing the first locking tongue 1 and the second locking tongue 2 to disengage, a travel limiting portion 8 is provided on the second locking tongue 2. The travel limiting portion 8 cooperates with the fastener 5 to limit the relative sliding of the first locking tongue 1 and the second locking tongue 2. To enhance the sliding effect, multiple sliding channels 4 are provided. In this embodiment, sliding portions 6 are provided at two long edges of the upper plane of the second locking tongue 2. The travel limiting portion 8 is configured as two end portions of at least one of the sliding channels 4. When the sliding portion 6 moves between the two end portions during sliding, it is limited by the two end portions, thereby achieving travel distance limitation.
[0041] As Figure 1 , Figure 3 , Figure 4 shown, in this embodiment, in the direction perpendicular to the relative sliding direction of the first locking tongue 1 and the second locking tongue 2, the elastic member 3 is clamped and limited between the first locking tongue 1 and the second locking tongue 2. Further, the first locking tongue 1 and the second locking tongue 2 respectively have connecting portions 9 protruding towards the other; the elastic member 3 is arranged between the two connecting portions 9. Specifically, connecting columns 10 protrude relatively from the two connecting portions 9, and both ends of the elastic member 3 are respectively sleeved on the two connecting columns 10, thereby realizing the stable connection of the elastic member 3.
[0042] As Figure 3 and Figure 4 shown, in this embodiment, in order to conveniently and simply drive the first locking tongue 1 and the second locking tongue 2, the side of the connecting portion 9 away from the elastic member 3 is configured as a pressing portion for receiving force to enable the elastic member 3 to be in an energy storage state. For the lock, it has a driving mechanism. The driving mechanism includes a movable member one and a movable member two that can move relative to each other. The movable member one is provided with a driving portion one, the movable member two is provided with a driving portion two. The driving portion one corresponds to the first locking tongue 1, the driving portion two corresponds to the second locking tongue 2. The movable member one and the movable member two move simultaneously through the drive of a motor. A gear is provided at the driving end of the motor, and the movable member one and the movable member two are respectively connected to the gear. When the gear rotates, the movable member one and the movable member two move simultaneously in opposite directions. Further, to ensure the use safety, the operation of the motor requires biometric information recognition, such as one or a combination of a fingerprint recognition component, a voice recognition component, an iris recognition component, and a face recognition component. Thus, when this embodiment is applied to a screen window, through biometric information recognition, the user is restricted from opening the screen window, thereby ensuring the use safety of the screen window.
[0043] As Figure 3 and Figure 4As shown in the figure, in order to further improve the deformation efficiency of the elastic member 3, the first locking tongue 1 and the second locking tongue 2 are both provided with deformation limiting portions 11, and the whole or a part of the elastic member 3 is located in the deformation limiting portions 11. The deformation limiting portion 11 is of a semi-circular structure and is located inside the first locking tongue 1 / the second locking tongue 2. Therefore, at least a part of the two deformation limiting portions 11 coincides on the axial projection plane of the elastic member 3. That is to say, between the first locking tongue 1 and the second locking tongue 2, there is a hollow cylindrical section, and a part of the elastic member 3, preferably the middle part, is located inside the above-mentioned hollow cylindrical section. Thus, in the deformation direction of the elastic member 3, the deformation of the elastic member 3 is limited, so that the bending of the elastic member 3 can be avoided from affecting the driving efficiency. At the same time, this structure can also well ensure the movement synchronization of the first locking tongue 1 and the second locking tongue 2.
[0044] As Figure 5 shown, since different window screens have different size models, the first locking tongue 1 / the second locking tongue 2 is provided with an extension member 12 to extend the movement coverage range of the first locking tongue 1 and the second locking tongue 2. The extension member 12 is arranged at the free end of the first locking tongue 1 / the second locking tongue 2, and the end of the extension member 12 is configured as a lock pin to be inserted into the lock hole of the window screen frame to achieve locking. Further, in order to ensure the movement stability of the extension member 12, a guide member 13 for limiting the movement direction of the extension member 12 is further included. The guide member 13 is relatively independent with respect to the locking tongue linkage mechanism. After being installed and positioned, it remains stationary and only makes a reciprocating movement in a fixed direction in the movement direction of the first locking tongue 1 / the second locking tongue 2.
[0045] The above are only the preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as a limitation of the present invention. The protection scope of the present invention should be subject to the scope defined by the claims. For those of ordinary skill in the art, without departing from the spirit and scope of the present invention, several improvements and retouches can still be made, and these improvements and retouches should also be regarded as the protection scope of the present invention.
Claims
1. A locking tongue linkage mechanism, characterized in that, Including: A first locking tongue and a second locking tongue, the first locking tongue and the second locking tongue are slidably connected, and the first locking tongue and the second locking tongue slide relative to each other to switch between a locked state and an unlocked state; Wherein, an elastic member is arranged between the first locking tongue and the second locking tongue for driving the first locking tongue and the second locking tongue to reset to the locked state.
2. The tongue linkage mechanism according to claim 1, characterized in that, A slideway and a fastener are arranged on the first locking tongue, the slideway and the fastener are arranged oppositely to clamp and limit the second locking tongue between the slideway and the fastener, and a sliding portion slidably matched with the slideway is arranged on the second locking tongue.
3. The tongue linkage mechanism according to claim 2, wherein, The root of the fastener and the first locking tongue can be deformed relative to each other.
4. The tongue linkage mechanism according to claim 3, wherein, The sliding portion and the fastener are respectively provided with mutually slidably matched cutting surfaces, and the two cutting surfaces are in sliding contact to enable the fastener to open relative to the first locking tongue.
5. The tongue linkage mechanism according to claim 2, wherein, A stroke limiting portion is arranged on the second locking tongue, and the stroke limiting portion is matched with the fastener to limit the relative sliding of the first locking tongue and the second locking tongue.
6. The tongue linkage mechanism according to claim 1, wherein In a direction perpendicular to the relative sliding direction of the first locking tongue and the second locking tongue, the elastic member is clamped and limited between the first locking tongue and the second locking tongue.
7. The tongue linkage mechanism according to claim 1, wherein The first locking tongue and the second locking tongue respectively have connecting portions protruding towards the other; the elastic member is arranged between the two connecting portions.
8. The tongue linkage mechanism according to claim 7, wherein, One side of the connecting portion away from the elastic member is configured as a pressing portion for receiving force to enable the elastic member to be in an energy storage state.
9. The tongue linkage mechanism according to claim 1, wherein Deformation limiting portions are arranged on both the first locking tongue and the second locking tongue, and the whole or a part of the elastic member is located in the deformation limiting portions.
10. A latch linkage mechanism as described in claim 1, characterized in that, The first locking tongue / second locking tongue is provided with an extension member.
11. A latch linkage mechanism according to claim 10, characterized in that, It further includes a guiding member for limiting the movement direction of the extension member.