Internal driving structure of electric control door lock

Abstract

The utility model discloses an electric control door lock internal driving structure, and particularly relates to the technical field of electric control door locks, the electric control door lock internal driving structure comprises a first electric control door lock shell, a second electric control door lock shell is installed on the rear side of the first electric control door lock shell, and penetrating openings are formed in the surface of one side of the first electric control door lock shell and the surface of one side of the second electric control door lock shell. A spring bolt is slidably connected into the penetrating opening. The primary unlocking mechanism and the secondary unlocking mechanism are arranged, the unlocking process is refined through step-by-step operation, the situation that large resistance is overcome at a time is avoided, the unlocking action is smoother and more efficient, the situation that unlocking fails or is stuck is greatly reduced, the convenience of daily use of a user is improved, and the user experience is improved. According to step-by-step unlocking, the original process that large power is needed to instantly drive the lock tongue to be separated from the lock catch is divided into two stages, the power needed by each stage is relatively small, overload operation of the motor is avoided, and therefore the overall energy consumption is effectively reduced, and the cruising ability of the battery power supply door lock is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric control door lock technical field, more specifically, the utility model relates to electric control door lock internal drive structure. BACKGROUND

[0002] Under the trend of modern life scene increasingly diversification, intelligent, door lock as the key component of people's living, office space security, its technological innovation has always been under the spotlight.

[0003] Through the search, the patent with the announcement number CN214117803U discloses a kind of electric control door lock, for battery working time is shorter, time is slightly longer, because weak leakage of itself can be depleted, if in open air, it has extremely high requirement to the performance of battery, while some occasions replace battery or charge battery are troublesome, rotate outer handle with external force, power generator is driven, charges through commutating element on control panel to storage element, when charging to certain voltage, control panel will enter working state, at this time, external force can stop rotating power generation, the electric energy stored is enough to let lock work for a period of time, especially suitable for open air and other occasions with extremely high requirement to the performance of battery, when the electric quantity of built-in battery is insufficient or not installed, battery does not need to be replaced, and external power supply is also not needed to charge, normal unlocking can also be realized.

[0004] Electric control door lock adopts the mode that one-time driving lock tongue is separated from lock buckle, and this single action mode has many disadvantages: on the one hand, due to the need to overcome large resistance instantaneously, the unlocking action is often not smooth enough, and the phenomenon of jamming is easy to appear, which further leads to unlocking failure, brings great inconvenience to the daily use of users, and seriously affects user experience; on the other hand, the strong power required by instantaneous driving makes the motor load too heavy, and overload running condition is easy to appear, which not only increases energy consumption, but also easily leads to too large motor load and affects its service life. UTILITY MODEL CONTENTS

[0005] In order to overcome the problems and defects in the prior art, the utility model provides electric control door lock internal drive structure to solve the problems in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: electric control door lock internal drive structure, including first electric control door lock shell, second electric control door lock shell is installed on the rear side of first electric control door lock shell, the surface of one side of first electric control door lock shell and second electric control door lock shell is all provided with through hole, lock tongue is slidably connected in the through hole;

[0007] First electric control door lock shell and second electric control door lock shell are provided with preliminary unlocking mechanism between lock tongue.

[0008] Preferably, the preliminary unlocking mechanism includes a first threaded rod, the first threaded rod is rotationally connected to one side of the inner wall of the first and second electrically controlled door lock housings, a threaded sleeve is threadedly connected to the outside of the first threaded rod, and a threaded groove is formed in one side surface of the bolt.

[0009] The threaded sleeve is fixedly connected to a connecting rod at the top, the connecting rod is fixedly connected to a moving box at the top, the moving box is fixedly installed with a first motor at the top, the first motor is fixedly connected to a first bevel gear at the output end, and the first bevel gear is meshed with a second bevel gear at one side.

[0010] Preferably, the second bevel gear is fixedly connected to a rotating shaft inside, the rotating shaft is provided with threads on the outer surface of one end, and the rotating shaft is threadedly connected with the threaded groove.

[0011] Preferably, the secondary unlocking mechanism includes a first gear, the first gear is fixedly sleeved outside the first threaded rod, and the first gear is meshed with a second gear at the bottom.

[0012] Preferably, the second electrically controlled door lock housing is fixedly installed with a second motor at one side of the inner wall, the second motor is fixedly connected to a rotating rod at the output end, and the rotating rod is fixedly connected with the second gear at one end.

[0013] Preferably, a limiting groove is formed in one side surface of the bolt, a limiting rod is slidably connected inside the limiting groove, and the limiting rod is fixedly connected between one end and the moving box.

[0014] Preferably, a sliding groove is formed in the top and bottom surfaces of the inner wall of the limiting groove, a sliding block is slidably connected inside the sliding groove, and the sliding block is fixedly connected with the limiting rod.

[0015] Preferably, a threaded connecting groove is formed in one side surface of the second electrically controlled door lock housing, a threaded connecting hole is formed in one side surface of the first electrically controlled door lock housing, and a bolt is threadedly connected inside the threaded connecting groove and the threaded connecting hole.

[0016] The technical effects and advantages of the present application are as follows:

[0017] 1、By setting the initial unlocking mechanism and secondary unlocking mechanism, first use the threaded connection of the rotating shaft and the lock tongue to realize the lock tongue preliminary disengagement from the lock catch, reduce the initial friction force, and then drive the lock tongue to fully retract by the movement of the threaded sleeve along the first threaded rod, complete the unlocking, this step-by-step operation refines the unlocking process, avoids overcoming the large resistance at once, makes the unlocking action more smooth and efficient, greatly reduces the unlocking failure or jamming situation, improves the convenience of user daily use, the step-by-step unlocking splits the process of driving the lock tongue to disengage from the lock catch by a large power instantaneously into two stages, the power required in each stage is relatively small, avoids the overload operation of the motor, thereby effectively reduces the overall energy consumption, prolongs the endurance of the battery-powered door lock;

[0018] 2、Through the cooperation of the limiting groove and the lock tongue of the limiting rod, and the sliding groove and the sliding block, the movement of the lock tongue is precisely guided and stably supported, preventing the lock tongue from deviating and shaking during the extension and retraction process, avoiding damage to the internal transmission structure due to abnormal stress, improving the reliability and durability of the door lock under long-term frequent use, at the same time, due to the reduction of single driving load, the current impact of the first motor and the second motor in the working process is weakened, the heating condition of the motor is improved, the risk of damage to the motor winding due to long-term high temperature aging is reduced, the service life of the motor is significantly prolonged, and the maintenance cost of the door lock is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model.

[0020] Figure 2 It is a rear view structure schematic view of the utility model.

[0021] Figure 3 It is a front view structure schematic view of the utility model.

[0022] Figure 4 It is a side view structure schematic view of the utility model.

[0023] Figure 5 It is a structure schematic view of the lock tongue and the moving box connection of the utility model.

[0024] The figure mark is: 1, the first electric control door lock shell; 2, the second electric control door lock shell; 3, the through hole; 4, the lock tongue; 5, the threaded rod; 6, the threaded sleeve; 7, the connecting rod; 8, the moving box; 9, the first motor; 10, the first bevel gear; 11, the second bevel gear; 12, the rotating shaft; 13, the threaded groove; 14, the first gear; 15, the second gear; 16, the second motor; 17, the rotating rod; 18, the limiting groove; 19, the limiting rod; 20, the sliding groove; 21, the sliding block; 22, the threaded connection groove; 23, the threaded connection hole; 24, the bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] As shown in the electric control door lock internal drive structure shown in the accompanying Figures 1-5 The electric control door lock internal drive structure shown in the accompanying

[0027] The first electric control door lock shell body 1 and the second electric control door lock shell body 2 are provided with a primary unlocking mechanism between the first electric control door lock shell body 1 and the second electric control door lock shell body 2 and the lock tongue 4.

[0028] As shown in the electric control door lock internal drive structure shown in the accompanying Figure 3 、 5 The primary unlocking mechanism includes a first threaded rod 5, the first threaded rod 5 is rotatably connected to one side of the inner wall of the first electric control door lock shell body 1 and the second electric control door lock shell body 2, a threaded sleeve 6 is threadedly connected to the outer side of the first threaded rod 5, and a threaded groove 13 is formed in one side surface of the lock tongue 4.

[0029] The threaded sleeve 6 is fixedly connected with a connecting rod 7 at the top, the connecting rod 7 is fixedly connected with a moving box 8 at the top, the moving box 8 is fixedly installed with a first motor 9 at the top, the first motor 9 is fixedly connected with a first bevel gear 10 at the output end, and the first bevel gear 10 is meshed with a second bevel gear 11 at one side.

[0030] As shown in the electric control door lock internal drive structure shown in the accompanying Figure 3 、 5 The second bevel gear 11 is fixedly connected with a rotating shaft 12 at the inside, the rotating shaft 12 is provided with a thread on the outer surface of one end, and the rotating shaft 12 is threadedly connected with the threaded groove 13, and the first threaded rod 5 is provided with a secondary unlocking mechanism at the bottom, so as to facilitate the primary movement unlocking of the lock tongue 4.

[0031] As shown in the electric control door lock internal drive structure shown in the accompanying Figure 3 、 5 The secondary unlocking mechanism includes a first gear 14, the first gear 14 is fixedly sleeved at the outer side of the first threaded rod 5, the first gear 14 is meshed with a second gear 15 at the bottom, a second motor 16 is fixedly installed at one side of the inner wall of the second electric control door lock shell body 2, a rotating rod 17 is fixedly connected between one end of the rotating rod 17 and the second gear 15, the second motor 16 is fixedly connected with the rotating rod 17 at the output end, the secondary unlocking is carried out, the lock tongue 4 is moved secondly, the load of the first motor 9 and the second motor 16 is reduced, and the service life thereof is improved.

[0032] As shown in the accompanying Figure 3 , 5 The lock tongue 4 one side surface is provided with a limiting slot 18, the limiting slot 18 is slidably connected with a limiting rod 19, the limiting rod 19 is fixedly connected between the moving box 8, the limiting slot 18 inner wall top and bottom surface are provided with a sliding groove 20, the sliding groove 20 is slidably connected with a sliding block 21, the sliding block 21 is fixedly connected with the limiting rod 19, so that the lock tongue 4 moves more stably, effectively prevents the lock tongue from deviating and shaking during the extension and retraction.

[0033] As shown in the accompanying Figure 4 The second electric control door lock shell 2 one side surface is provided with a threaded connection groove 22, the first electric control door lock shell 1 one side surface is provided with a threaded connection hole 23, the threaded connection groove 22 and the threaded connection hole 23 are both screw connected with a bolt 24, to ensure the connection and fixing effect of the first electric control door lock shell 1 and the second electric control door lock shell 2.

[0034] The utility model discloses a working principle: electric control door lock is by first electric control door lock shell 1 and second electric control door lock shell 2 are formed, and the lock tongue 4 is slidably connected in the through -going port 3 of one side surface of two, is used for realizing the locking and unlocking function of door lock, and the lock tongue 4 is in the complete extension state, when the door lock is closed, the first electric control door lock shell 1 and second electric control door lock shell 2 are equipped with the preliminary unlocking mechanism and secondary unlocking mechanism between the lock tongue 4, and each component is at the initial static position, when receiving the unlocking instruction, the first motor 9 at the top of moving box 8 starts, and the output fixed connection first bevel gear 10 starts to rotate, because first bevel gear 10 and second bevel gear 11 are engaged, drive second bevel gear 11 synchronous rotation, the rotation shaft 12 fixedly connected in second bevel gear 11 rotates, because the rotation shaft 12 one end outer surface is provided with the thread and is equipped with the threaded groove 13 of lock tongue 4 one side surface screw connection, under the threaded transmission action, the rotation of rotation shaft 12 is converted into the small linear displacement of lock tongue 4 along the through -going port 3, makes the lock tongue 4 preliminary separation lock catch certain distance generally for several millimeters, and the specific determination depends on design parameter, reduces the initial friction between lock tongue 4 and lock catch, and completes preliminary unlocking;

[0035] After the initial unlocking makes the lock tongue 4 has the initial displacement, the first threaded rod 5 continues to rotate, since the threaded sleeve 6 is connected with the first threaded rod 5 in the threaded connection, the threaded sleeve 6 starts to move upwards along the first threaded rod 5, the connecting rod 7 fixedly connected at the top of the threaded sleeve 6 drives the moving box 8 to ascend synchronously, the moving box 8 is slidably connected with the limiting groove 18 opened on the surface of the lock tongue 4 on one side through the limiting rod 19, which ensures that the relative position of the two is stable and the movement is coordinated, the sliding groove 20 opened on the inner wall top and bottom surface of the limiting groove 18 and the sliding block 21 slidably connected in the sliding groove 20 further ensure the smoothness of the movement of the limiting rod 19, avoiding jamming; on the other hand, with the ascending of the moving box 8, the lock tongue 4 is further retracted, realizing the complete separation of the lock tongue 4 from the lock catch, completing the secondary unlocking, at this time the door lock is completely opened, the secondary unlocking mechanism arranged at the bottom of the first threaded rod 5 plays a key role in power transmission and conversion in this process, the first gear 14 is fixedly sleeved outside the first threaded rod 5, and the second gear 15 engaged at the bottom of the first gear 14 is driven by the second motor 16 fixedly installed on one side of the inner wall of the second electric control door lock shell 2, the rotating rod 17 fixedly connected at the output end of the second motor 16 drives the second gear 15 to rotate, and then drives the first gear 14 and the first threaded rod 5 to rotate through gear engagement, providing stable power for the ascending of the threaded sleeve 6, ensuring the smooth performance of the secondary unlocking action.

[0036] Finally: the above-mentioned embodiments only exemplarily illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. An internal drive structure for an electronically controlled door lock, comprising a first electronically controlled door lock housing (1), characterized in that: A second electric lock housing (2) is installed on the rear side of the first electric lock housing (1). Both the first electric lock housing (1) and the second electric lock housing (2) have through openings (3) on one side surface. A lock tongue (4) is slidably connected inside the through opening (3). A preliminary unlocking mechanism is provided between the first electric lock housing (1) and the second electric lock housing (2) and the lock tongue (4).

2. The internal drive structure of the electronically controlled door lock according to claim 1, characterized in that: The initial unlocking mechanism includes a first threaded rod (5), which is rotatably connected to the inner wall of the first electric lock housing (1) and the second electric lock housing (2). A threaded sleeve (6) is threadedly connected to the outer side of the first threaded rod (5), and a threaded groove (13) is provided on one side surface of the lock tongue (4). The threaded sleeve (6) is fixedly connected to the top of a connecting rod (7), the connecting rod (7) is fixedly connected to the top of a movable box (8), the movable box (8) is fixedly installed with a first motor (9), the output end of the first motor (9) is fixedly connected to a first bevel gear (10), and a second bevel gear (11) meshes with one side of the first bevel gear (10).

3. The internal drive structure of the electronically controlled door lock according to claim 2, characterized in that: The second bevel gear (11) is internally fixedly connected to a rotating shaft (12), one end of the rotating shaft (12) is provided with a thread on its outer surface, the rotating shaft (12) is threadedly connected to the threaded groove (13), and the bottom of the first threaded rod (5) is provided with a secondary unlocking mechanism.

4. The internal drive structure of the electronically controlled door lock according to claim 3, characterized in that: The secondary unlocking mechanism includes a first gear (14), which is fixedly sleeved on the outside of the first threaded rod (5), and a second gear (15) meshes with the bottom of the first gear (14).

5. The internal drive structure of the electronically controlled door lock according to claim 1, characterized in that: A second motor (16) is fixedly installed on one side of the inner wall of the second electric door lock housing (2). A rotating rod (17) is fixedly connected to the output end of the second motor (16). One end of the rotating rod (17) is fixedly connected to the second gear (15).

6. The internal drive structure of the electronically controlled door lock according to claim 1, characterized in that: A limiting groove (18) is provided on one side surface of the locking tongue (4), and a limiting rod (19) is slidably connected inside the limiting groove (18). One end of the limiting rod (19) is fixedly connected to the movable box (8).

7. The internal drive structure of the electronically controlled door lock according to claim 6, characterized in that: The top and bottom surfaces of the inner wall of the limiting groove (18) are provided with sliding grooves (20), and a slider (21) is slidably connected inside the sliding groove (20). The slider (21) is fixedly connected to the limiting rod (19).

8. The internal drive structure of the electronically controlled door lock according to claim 1, characterized in that: The second electric door lock housing (2) has a threaded connection groove (22) on one side surface, and the first electric door lock housing (1) has a threaded connection hole (23) on one side surface. Both the threaded connection groove (22) and the threaded connection hole (23) are threaded with bolts (24).

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