Automatic locking lock body for door closing

Abstract

The utility model discloses an automatic locking lock body for closing a door, which comprises a lock shell, a lock body, a lock rod and a lock rod, the latch bolt and the touch bolt are arranged in the lock shell in parallel and elastically stretch out and draw back through springs; the triggering mechanism comprises a triggering hook blocking piece and a triggering hook, the triggering hook blocking piece is connected to the side wall of the lock shell through a torsional spring, and the triggering hook is provided with a contact hook which is in selective contact with the latch bolt; the transmission mechanism comprises a locking piece, a starting shifting plate, an automatic push plate and other transmission parts, and the locking piece is provided with a locking protrusion; the locking mechanism comprises a main bolt; when the latch bolt and the touch bolt are pressed at the same time, the trigger hook makes contact with the latch bolt, and after the latch bolt is loosened, the latch bolt rebounds to drive the trigger hook to move anticlockwise, the linkage locking piece is separated from the automatic push plate, the automatic push plate moves rightwards under the action of the spring, and therefore the starting shifting plate is driven to rotate anticlockwise. The starting shifting plate drives other transmission pieces to move so as to push the driving main bolt to stretch out to complete locking.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lockset, concretely relates to a door closing automatic locking lock body. BACKGROUND

[0002] Door lock is widely used in current home assembly, with the mass application of electronic products in life, traditional lockset also begins to enter the new field of intelligentization, such as mobile phone remote control unlocking, face and fingerprint identification unlocking and the like. Some existing automatic locks are provided with a motor capable of driving the main lock tongue locking and unlocking, and are provided with a sensor cooperating with the trigger latch, when the door is closed, the trigger latch is extruded by the door frame and is pressed into the lock body, the sensor is triggered and a signal is fed back to the motor, and then the main lock tongue is driven by the motor to pop out, thereby realizing the function of door closing self-locking. Although the existing automatic lock can realize automatic unlocking and locking through the motor, when the motor fails or the transmission assembly is stuck, most of the current electric door locks cannot be used, and the door cannot be opened manually, so that the user cannot open the door, therefore the stability and reliability are poor, and the current user's demand cannot be effectively met.

[0003] For example, in the Chinese invention patent application with the patent publication number CN113090121A and the patent name of anti-stuck electronic lock body, the disclosed technical scheme is that the sliding push rod A and the movable and swingable push rod B are transmitted between the gear driving assembly and the latch driving fork, when the motor is stuck, if the gear driving assembly is in the position of blocking the retraction of the push rod B at this time, after the lock tongue is retracted by a certain distance, the push rod B contacts the gear driving assembly, and the push rod B can swing to allow the lock tongue to continue to retract, thereby avoiding the situation that the lock cannot be unlocked. At the same time, according to the content disclosed in the specification, when the motor suddenly breaks down and the gear driving assembly is stuck, there are two situations, the first situation is that the meshing teeth are just engaged on the rack, so that the lock tongue is stuck, and the key and the door handle cannot normally unlock; the other situation is that the meshing teeth are located outside the rack, at this time, the lock tongue is not affected, and the key and the door handle can normally unlock, thereby reducing the situation that the lock tongue is stuck and cannot normally open and close the door.

[0004] In the technical scheme disclosed in the above patent, the lock body structure is extremely complex, there are many parts, which is not conducive to production and assembly, is not conducive to the saving of lock body space, and increases the waste of lock body space occupation and materials. At the same time, when the user uses the ordinary mechanical lock, manual locking or external electric locking is needed, and the demand of people for convenient locking cannot be met. UTILITY MODEL CONTENTS

[0005] The utility model adopts the following technical scheme to solve the above technical problems.

[0006] A door closing automatic locking lock body, comprising:

[0007] The lock shell is internally provided with a mounting cavity;

[0008] The latch tongue and the touch tongue are arranged in parallel in the lock shell and are elastically extended by springs;

[0009] The trigger mechanism comprises:

[0010] The trigger hook stopper is connected to the side wall of the lock shell by a torsion spring, and the trigger hook is provided with a contact hook for selectively contacting the latch tongue;

[0011] The transmission mechanism comprises a locking piece, a starting dial plate, an automatic push plate and other transmission components, and the locking piece is provided with a locking protrusion for limiting the movement of the automatic push plate;

[0012] The locking mechanism comprises a main bolt;

[0013] When the latch tongue and the touch tongue are pressed at the same time, the trigger hook contacts the latch tongue, and after the latch tongue is released, the latch tongue rebounds to drive the trigger hook to move counterclockwise, the linkage locking piece is separated from the automatic push plate, the automatic push plate moves right under the action of the spring, thereby driving the starting dial plate to rotate counterclockwise, the other transmission components are driven to move by the starting dial plate, and the main bolt is pushed out to complete the locking.

[0014] Preferably, the other transmission components comprise a starting plate, a lower push plate and a main bolt dial plate, and the starting plate, the lower push plate and the main bolt dial plate are mechanically connected.

[0015] Preferably, when the automatic push plate moves right, the starting plate is driven by the starting dial plate to rotate counterclockwise, the main bolt dial plate is driven by the lower push plate to rotate counterclockwise, and finally the main bolt is pushed to perform the locking action.

[0016] Preferably, the lock body further comprises a lock cylinder dial and a handle dial shaft, and in the unlocking process, the latch push plate is driven to move right by the lock cylinder dial or the handle dial shaft, the main bolt dial plate and the latch dial plate are driven to rotate clockwise, the main bolt and the latch tongue are retracted, and the automatic push plate is reset to the energy storage state.

[0017] Preferably, the trigger hook stopper is arranged at the tail end of the touch tongue, a spring is arranged on the touch tongue, the trigger hook stopper rotates counterclockwise when the touch tongue is pressed, and is reset by the spring after being released, thereby ensuring that the locking is not triggered when the latch tongue or the touch tongue is pressed alone.

[0018] Preferably, the automatic push plate is arranged beside the main bolt and beside the locking piece, and the automatic push plate is provided with a reset spring, the automatic push plate moves left during unlocking and is re-locked by the locking piece, thereby completing the energy storage for the next automatic locking.

[0019] As preferred, the main push plate is arranged between the main bolt and the automatic push plate, the main bolt is linked with the latch push plate through the main bolt push plate, and the movement of the latch push plate is driven by the lock cylinder dial or handle dial shaft.

[0020] As preferred, the latch and the touch tongue are arranged adjacently and on the same side of the main bolt.

[0021] As preferred, the lock shell is provided with a lock cylinder installation groove for installing the lock cylinder dial, and the lock cylinder dial drives the unlocking action through the latch push plate.

[0022] Compared with the prior art, the automatic locking device has the following beneficial effects:

[0023] 1. Through the ingenious linkage of the latch, the touch tongue and a series of transmission components, the locking and unlocking functions of the main bolt and the latch are realized automatically and manually. This mechanical control method discards complex electronic circuits and numerous electronic components, greatly simplifying the lock body structure. Not only the number of parts is reduced, the assembly difficulty in the production process is reduced, the production efficiency is improved, but also in the later maintenance, the technicians do not need to have professional electronic knowledge, only through the familiarity with the mechanical structure can the fault be quickly located and solved, the maintenance time and cost are effectively shortened.

[0024] 2. The entire device is assembled by pure mechanical components, and there is no electronic component. The automatic locking device is not troubled by electronic failure, and as long as the mechanical components are not physically damaged, it can always maintain normal unlocking and locking functions, so that users do not need to worry about the inconvenience and safety hazards caused by electronic failure.

[0025] 3. Only when the latch and the touch tongue are pressed at the same time and the latch is released, the locking mechanism will be triggered, and the single mistake of any one of them cannot complete the locking action. This design feature of the device ensures the stability of the door lock in the normal use process, and the user does not need to worry about the misoperation all the time, and can use the door lock more calmly in the case of hurrying out or coming home at night.

[0026] 4. Since the use of electronic components is reduced, the automatic locking device has obvious advantages in production cost. Electronic components are usually expensive, and require professional production equipment and technology for manufacturing and installation, while the cost of mechanical components is relatively low, and the production process is more mature. This makes the device reduce the overall production cost on the premise of ensuring performance, so as to have higher cost performance in the market. At the same time, the lower cost is also helpful for the promotion and popularization of the product in the market. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the provided drawings.

[0028] Figure 1 The figure is a schematic diagram in which the oblique tongue is pressed alone in the present utility model.

[0029] Figure 2 The figure is a schematic diagram in which the touch tongue is pressed alone in the present utility model.

[0030] Figure 3 The figure is a schematic diagram in which the oblique tongue and the touch tongue are pressed simultaneously in the present utility model.

[0031] Figure 4 The figure is a schematic diagram in which the oblique tongue and the touch tongue are pressed simultaneously in the present utility model.

[0032] Figure 5 The figure is a schematic diagram of the positions of the components in the locking process in the present utility model.

[0033] Figure 6 The figure is a schematic diagram of the positions of the components in the locking process in the present utility model.

[0034] Figure 7 The figure is a schematic diagram of the positions of the components in the locking process in the present utility model.

[0035] Figure 8 The figure is a schematic diagram of the positions of the components in the locking process in the present utility model.

[0036] Figure 9 The figure is a schematic diagram of the positions of the components in the locking process in the present utility model. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and beneficial effects of the embodiments in the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative effort fall within the scope of protection of the present disclosure.

[0038] As shown in the figure, Figures 1-9 The lock shell 100 serves as the external protection and support structure of the entire lock body, and the mounting cavity inside the lock shell 100 provides mounting space for each component.

[0039] As shown in the figure, Figures 1-4As shown, the latch 1 and the contact bolt 2 are arranged parallel to each other and adjacent to each other. They are both located on the same side of the main bolt 13 and are installed inside the lock housing 100. They achieve elastic extension and retraction through their respective springs. This arrangement allows the latch 1 and the contact bolt 2 to extend and retract flexibly when subjected to external force, laying the foundation for subsequent locking and unlocking actions.

[0040] The lock body also includes a triggering mechanism, including a trigger hook stop 3 and a trigger hook 4. The trigger hook 4 is in contact with the trigger hook stop 3. The trigger hook stop 3 is connected to the side wall of the lock housing 100 through a torsion spring and is installed on the side of the touch tongue 2. The trigger hook 4 is provided with a contact hook 4-1 for selectively contacting the oblique tongue 1.

[0041] The lock body also includes a transmission mechanism, comprising a locking plate 5, a starting plate 6, an automatic push plate 7, and other transmission components. The locking plate 5 has a locking protrusion 5-1 to restrict the movement of the automatic push plate 7. In this embodiment, the other transmission components include a starting plate 8, a lower push plate 9, and a main bolt plate 10. The starting plate 6 is located to the left of the trigger hook 4, the locking plate 5 is located below the starting plate 6, the starting plate 8 is mounted on the starting plate 6, the automatic push plate 7 is located to the left of the starting plate 8, and the lower push plate 9 is connected to the main bolt plate 10.

[0042] Furthermore, the oblique tongue push plate 11 is located above the main bolt deflector plate 10 and is connected to the main bolt deflector plate 10. Meanwhile, the main bolt 13 is installed close to the side wall of the lock housing 100, and the lock cylinder deflector 14 and the handle deflector shaft 15 are installed on both sides of the main bolt 13.

[0043] The main bolt 13 is the locking mechanism.

[0044] like Figures 4-8 As shown, the main bolt 13 is a key component during the locking process. The locking process is as follows:

[0045] The spring installed on the touch tongue 2 keeps the trigger hook stop 3 in a specific position under normal conditions. When the slanted tongue 1 is pressed alone, the trigger hook stop 3 pushes the trigger hook 4 to the left under the action of its spring. The contact hook 4-1 on the trigger hook 4 does not contact the slanted tongue 1, so pressing down and springing back the slanted tongue 1 will not trigger other mechanisms, and thus no locking action will occur.

[0046] Similarly, when the touch tongue 2 is pressed alone, the trigger hook plate 3 rotates counterclockwise and clockwise under the action of the spring, but it cannot trigger other mechanisms and there is no locking action.

[0047] Only when the touch tongue 2 and the bevel tongue 1 are pressed at the same time, the touch tongue 2 can make the trigger hook baffle 3 rotate counterclockwise, and then drive the trigger hook 4 to rotate clockwise, at this time, the contact hook 4-1 on the trigger hook 4 can contact with the bevel tongue 1. When the bevel tongue 1 is released, the bevel tongue 1 is pushed out by the spring, contacts the trigger hook 4, and drives the trigger hook 4 to move counterclockwise upward. The locking piece 5 is provided with a locking protrusion 5-1, which is used to limit the movement of the automatic push plate 7. The automatic push plate 7 is arranged beside the main bolt 13 and the locking piece 5, and the automatic push plate 7 is provided with a reset spring. When the trigger hook 4 drives the locking piece 5 to rotate counterclockwise, the locking protrusion 5-1 on the locking piece 5 is separated from the automatic push plate 7, and the automatic push plate 7 moves right under the action of the reset spring, the right movement of the automatic push plate 7 drives the starting push plate 6 to rotate counterclockwise, the starting push plate 6 drives the starting plate 8 connected with the starting push plate 6 to rotate counterclockwise, and the rotation of the starting plate 8 drives the main bolt push plate 10 to rotate counterclockwise through the push plate 9, and finally the main bolt push plate 10 pushes the main bolt 13 to be punched out, as shown in Figure 8 , the automatic locking action is completed.

[0048] Referring to 8-9 again, the main bolt 13 is also an important component in the unlocking process, wherein:

[0049] The main bolt 13 is connected with the bevel tongue push plate 11 through the main bolt push plate 10, and the main bolt push plate 10 is arranged between the main bolt 13 and the automatic push plate 7. By rotating the dial of the lock cylinder dial 14 or operating the handle dial shaft 15, the dial is driven to rotate clockwise, and then the bevel tongue push plate 11 is driven to move right. The movement of the bevel tongue push plate 11 drives the main bolt push plate 10 and the bevel tongue push piece 12 to rotate clockwise. The rotation of the main bolt push plate 10 makes the main bolt 13 retract, and the rotation of the bevel tongue push piece 12 makes the bevel tongue 1 retract, and the bevel tongue push piece 12 also drives the starting push plate 6 to rotate clockwise. The clockwise rotation of the starting push plate 6 drives the automatic push plate 7 to move left, and when the automatic push plate 7 moves to a certain position, the automatic push plate 7 is locked by the locking piece 5 under the action of the locking piece reset spring, so that the unlocking is completed and the automatic push plate 7 is prepared for the next automatic locking.

[0050] Through the precise position relationship and close movement connection between the above-mentioned components, the door closing automatic locking lock body of the utility model can stably and reliably realize the automatic locking and manual unlocking functions, and solves the problems of the existing automatic lock, such as complex structure, electronic component failure, unable to unlock, and easy to be touched by mistake.

[0051] The above-mentioned embodiments and application examples are only exemplary descriptions of the present disclosure, and do not limit the scope of the present disclosure. Without departing from the design spirit of the present disclosure, various modifications and improvements of the technical solutions of the present disclosure made by those skilled in the art shall fall within the protection scope of the present disclosure.

Claims

1. A door closer auto-locking lock body, characterized by, The utility model relates to a lock body, comprising: a lock shell (100) internally provided with a mounting cavity; a latch (1) and a touch tongue (2) arranged in parallel with each other in the lock shell (100) and both elastically extended by springs; a trigger mechanism, comprising: a trigger hook stopper (3) connected to the side wall of the lock shell (100) by a torsion spring and a trigger hook (4) provided with a contact hook (4-1) selectively contacting the latch (1); a transmission mechanism, comprising a locking piece (5) provided with a locking protrusion (5-1) limiting the movement of an automatic push plate (7), an activation plate (6), the automatic push plate (7) and other transmission components; a locking mechanism, comprising a main bolt; when the latch (1) and the touch tongue (2) are pressed at the same time, the trigger hook (4) contacts the latch (1), after the latch (1) is released, the latch (1) rebounds to drive the trigger hook (4) to move counterclockwise, the locking piece (5) is disengaged from the automatic push plate (7), the automatic push plate (7) moves right under the action of the spring, thereby driving the activation plate (6) to rotate counterclockwise, the other transmission components are driven by the activation plate (6) to push the main bolt (13) to extend to complete locking.

2. The self-latching lock body of claim 1, wherein, The other transmission components include an activation plate (8), a push-down plate (9) and a main bolt plate (10), and the three components are mechanically connected.

3. The self-latching lock body of claim 2, wherein, When the automatic push plate (7) moves right, the activation plate (8) is driven by the activation plate (6) to rotate counterclockwise, the main bolt plate (10) is driven by the push-down plate (9) to rotate counterclockwise, and finally the main bolt (13) is pushed to perform a locking action.

4. The self-latching lock body of claim 3, wherein, The lock body further comprises a lock cylinder dial (14) and a handle dial shaft (15), and in the unlocking process, the latch push plate (11) is driven to move right by the lock cylinder dial (14) or the handle dial shaft (15), the main bolt plate (10) and the latch dial (12) are driven to rotate clockwise, the main bolt (13) and the latch (1) are retracted, and the automatic push plate (7) is reset to a force storage state.

5. The self-latching lock body of claim 4, wherein, The trigger hook stopper (3) is arranged at the tail end of the touch tongue (2), a spring is arranged on the touch tongue (2), the trigger hook stopper (3) rotates counterclockwise when the touch tongue (2) is pressed, and is reset by the spring after being released, so that when the latch (1) or the touch tongue (2) is pressed alone, the trigger hook (4) is not triggered to lock.

6. The self-latching lock body of claim 5, wherein, The automatic push plate (7) is arranged beside the main bolt (13) and the locking piece (5), the automatic push plate (7) is provided with a reset spring, the automatic push plate (7) moves left during unlocking and is relocked by the locking piece (5), and force is stored to prepare for the next automatic locking.

7. The self-latching lock body of claim 6, wherein, The main bolt plate (10) is arranged between the main bolt (13) and the automatic push plate (7), the main bolt (13) is linked with the latch push plate (11) through the main bolt plate (10), and the movement of the latch push plate (11) is driven by the lock cylinder dial (14) or the handle dial shaft (15).

8. The self-latching door lock body of claim 1, wherein, The latch (1) and the touch tongue (2) are arranged adjacent to each other and on the same side of the main bolt (13).

9. The self-latching door lock body of claim 1, wherein, The lock shell (100) is provided with a lock cylinder installation groove, and a lock cylinder dial (14) is installed. The lock cylinder dial (14) drives an opening action through a latch push plate (11).

Images