CN113236042A - Electronic lock body with stable transmission - Google Patents

Abstract

The invention discloses an electronic lock body with stable transmission, which comprises a lock shell, wherein the lock shell is provided with a lock core, a motor, a telescopic main board and a latch bolt, the telescopic main board is provided with a latch bolt block, the latch bolt is connected with a latch bolt transmission mechanism, the lock shell is internally provided with a locking mechanism and a speed reduction combined gear for driving the telescopic main board and the latch bolt transmission mechanism, the speed reduction combined gear comprises a main shaft, a motor gear, a ring gear and a rotating gear, the motor gear, the ring gear and the rotating gear are arranged on the main shaft, the ring gear is fixed by the locking mechanism, when the motor gear is driven by the motor, a speed reduction gear group arranged on the rotating gear can be driven, the rotating gear can stably rotate, the rotating gear drives the telescopic main board and the latch bolt transmission mechanism, the latch bolt and the latch bolt block can be contracted and unlocked, the whole transmission process is stable and reliable, the strong collision generated at the moment of the rotation of the motor is effectively reduced, and no sound is generated between components, the stress is even, and the silence effect is very excellent.

Description

Electronic lock body with stable transmission

Technical Field

The invention relates to an electronic door lock, in particular to an electronic lock body with stable transmission.

Background

The motor and the drive gear that is driven by the motor can generally be installed to current electronic lock, and the motor drives spring bolt and latch bolt through drive gear transmission and stretches out and draws back, realizes the automatic unblock of electronic lock function of locking, but the motor rotates the moment that triggers and can produce great dynamics and collide drive gear, leads to drive gear drunkenness skew for spring bolt and latch bolt can not stretch out and draw back the removal steadily, and at the motor pivoted moment, drive gear can also send not little sound, influences the use experience of lock.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the electronic lock body with stable transmission.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a stable electron lock body of transmission, includes the lock shell, lock core, motor, flexible mainboard and oblique tongue are installed to the lock shell, install the lock tongue piece on the flexible mainboard, the oblique tongue is connected with oblique tongue drive mechanism, install in the lock shell and be used for driving flexible mainboard and oblique tongue drive mechanism's speed reduction composite gear and be used for the locking speed reduction composite gear's mechanism of locking, speed reduction composite gear is including installing main shaft on the lock shell and installing epaxial motor gear, ring gear and rotating gear, motor gear quilt the motor drives, just be provided with on the motor gear by the drive gear that the main shaft runs through, ring gear's inner wall is provided with closed ring rack, rotating gear's side is provided with the mounting panel, install reduction gear group on the mounting panel, drive gear, oblique tongue, The reduction gear set and the annular rack are meshed in sequence.

The reduction gear set comprises two or more unit gears surrounding the transmission gear, each unit gear is installed on the installation plate in a penetrating mode through a rivet, and each unit gear is meshed with the transmission gear and the annular rack respectively.

The unit gears of the reduction gear set are three in number and distributed at an included angle of 120 degrees.

The unit gears of the reduction gear set are four in number, and the four unit gears are distributed at 90-degree included angles.

The speed reduction combination gear comprises an annular pressing sheet, mounting holes corresponding to the number and the positions of the rivets are formed in the annular pressing sheet, the annular pressing sheet is located between the motor gear and the annular gear, and two sides of the annular rack are respectively attached to the annular pressing sheet and the mounting plate.

The telescopic main board is provided with a through telescopic groove, the side wall of the telescopic groove is provided with a spring bolt rack meshed with the rotating gear, and the bottom of the telescopic main board is provided with a lock cylinder notch which is stirred by a stirring sheet of the lock cylinder.

The locking mechanism comprises a locking plate and a first resetting mechanism arranged on the locking plate, the locking plate is provided with a locking plate notch used for containing the speed reduction combination gear in a yielding mode, a fixed rack meshed with the ring gear is arranged on the side edge of the locking plate notch, and an arc-shaped notch which is stirred by a shifting piece of the lock cylinder is arranged at the bottom of the locking plate.

The first reset mechanism comprises a lock plate spring and a fixing plate arranged on the lock shell, a telescopic hole is formed in the fixing plate, and a limiting column penetrating through the telescopic hole is arranged at the top of the lock plate; the lock plate spring is sleeved on the limiting column and is located between the lock plate and the fixing piece.

The lock comprises a lock shell, a lock plate, a handle shifting wheel, a transmission shifting block, a pulling rod and a handle, wherein the lock shell is provided with the handle shifting wheel which is provided with an unlocking shifting block and the transmission shifting block; one end of the pull rod is provided with a transmission hook which is stirred by the transmission shifting block, the other end of the pull rod is provided with a pull groove, and a pull nail fixedly connected with the telescopic main board is installed in the pull groove.

The handle thumb wheel is sleeved with a latch driving piece, the latch driving mechanism comprises a driving sliding plate capable of sliding transversely and repeatedly on the telescopic main board and a latch sliding plate connected with the latch, a second reset mechanism is installed on the latch sliding plate, a driving block is installed on the surface of the driving sliding plate, a sliding plate rack meshed with the rotating gear is arranged at the top of the driving sliding plate, a lock cylinder convex block stirred by the driving piece of the lock cylinder is arranged at the bottom of the driving sliding plate, a third reset mechanism connected with the telescopic main board is installed on the driving sliding plate, and a stirring bent piece stirred by the latch driving piece and a stirring block pushed by the driving block are arranged on the latch sliding plate.

The invention has the beneficial effects that: the annular rack is fixed by the locking mechanism, so that when the motor gear is driven by the motor, the gear reduction set arranged on the rotating gear can be driven to enable the rotating gear to stably rotate, the rotating gear drives the telescopic main board and the latch bolt transmission mechanism to enable the latch bolt and the latch bolt block to contract and unlock, the whole transmission process is stable and reliable, powerful collision generated at the moment of rotation of the motor is effectively reduced, no sound is generated between components, the stress is uniform, and the silencing effect is extremely excellent.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial exploded view of FIG. 1;

FIG. 3 is an exploded view of the reduction gear set;

fig. 4 is a partial exploded view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. While the components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations, all other embodiments within the purview of one skilled in the art based on the embodiments of the present invention are within the scope of the invention as claimed.

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are indicative of those directions or positional relationships based on the drawings and are intended to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 4, an electronic lock body with stable transmission comprises a lock shell 1, wherein the lock shell 1 is provided with a lock cylinder 2, a motor 3, a telescopic main board 4 and a latch bolt 5, the telescopic main board 4 is provided with a latch bolt block 47, the latch bolt 5 is connected with a latch bolt transmission mechanism, a speed reduction combination gear for driving the telescopic main board 4 and the latch bolt transmission mechanism and a locking mechanism for locking the speed reduction combination gear are arranged in the lock shell 1, the speed reduction combination gear comprises a main shaft 6 arranged on the lock shell 1, and a motor gear 7, a ring gear 8 and a rotating gear 9 arranged on the main shaft 6, the motor gear 7 is driven by the motor 3 (the motor gear 7 is meshed with a gear arranged on a motor rotating shaft), the motor gear 7 is provided with a transmission gear 10 penetrated by the main shaft 6, the inner wall of the ring gear 8 is provided with a closed ring rack 11, the side of the rotating gear 9 is provided with a mounting plate 12, the mounting plate 12 is provided with a reduction gear set, the transmission gear 10, the reduction gear set and the annular rack 11 are sequentially meshed, the telescopic main board 4 is provided with a through telescopic groove 17, the side wall of the telescopic groove 17 is provided with a bolt rack 18 meshed with the rotating gear 9, the annular rack 11 can be fixed by a locking mechanism, when the motor 3 drives the motor gear 7 to rotate, the transmission gear 10 can drive the rotating gear 9 to rotate through the reduction gear set, the telescopic main board 4 can be longitudinally contracted by cooperating with the bolt block 47, the whole transmission process of the motor driving the telescopic main board through the reduction combined gear is stable and reliable, the powerful collision generated in the moment of the rotation of the motor is effectively reduced, the motor can more stably drive the telescopic main board and the oblique transmission bolt mechanism, and no sound is generated among components, the silencing effect is good; the bottom of the telescopic mainboard 4 is provided with a lock cylinder notch 19 which is stirred by the plectrum of the lock cylinder 2, so that the lock cylinder can drive the telescopic mainboard 4 as well, and the locking and unlocking functions of the lock cylinder are realized.

The reduction gear set comprises two or more unit gears 13 which are surrounded by the transmission gear 10, each unit gear 13 is installed on the installation plate 12 in a penetrating mode through a rivet 14 (the unit gears 13 can rotate), each unit gear 13 is meshed with the transmission gear 10 and the annular rack 11 respectively, and therefore when the transmission gear drives the rotating gear 9 through the unit gears 13, stress of the rotating gear 9 is uniform, and rotation of the rotating gear 9 is stable.

The unit gear 13 quantity of reduction gear set can be three, and three unit gear 13 is 120 contained angles and distributes, compares in the reduction gear set that two unit gears 13 constitute, and three unit gear bears drive gear's dynamics more symmetrical, and stability is stronger, also can not increase the degree of difficulty of production equipment.

The number of the unit gears 13 of the reduction gear set can be four, the four unit gears 13 are distributed at 90-degree included angles, and compared with the reduction gear set formed by the three unit gears 13, the four unit gears are more excellent in stress performance and extremely high in stability, but the difficulty of production and assembly is improved, the stability of the unit gears is not effectively improved when the number of the unit gears is continuously increased, and the difficulty and the cost of production are remarkably improved.

The speed reduction combination gear comprises an annular pressing piece 15, mounting holes 16 corresponding to the number and the positions of the rivets 14 are formed in the annular pressing piece 15, the annular pressing piece 15 is located between the motor gear 7 and the annular gear 8, two sides of the annular rack 11 are respectively attached to the annular pressing piece 15 and the mounting plate 12, the annular pressing piece 15 and the mounting plate 12 are located in the annular rack 11, the thickness of the speed reduction combination gear is effectively reduced, the space utilization rate is high, each rivet is embedded into the corresponding mounting hole, all unit gears can be fixed in the annular gear through the annular pressing piece in a pressing mode, the unit gears are effectively prevented from moving on the rivets, and the stability of the electronic door lock is further improved.

The locking mechanism comprises a locking plate 20 and a first resetting mechanism installed on the locking plate 20, the locking plate 20 is provided with a locking plate notch 21 used for abdicating and containing the speed reduction combination gear, a fixed rack 22 meshed with the ring gear 8 is arranged on the side edge of the locking plate notch 21, the ring gear 8 is always meshed with the fixed rack 22 when the locking plate 20 does not move upwards, the ring gear 8 is fixed, and an arc-shaped notch 23 shifted by a shifting piece of the lock cylinder 2 is arranged at the bottom of the locking plate 20, so that the shifting piece of the lock cylinder can lift the locking plate 20 to unlock the ring gear 8.

The first reset mechanism comprises a lock plate spring 24 and a fixing plate 25 arranged on the lock shell 1, wherein a telescopic hole 26 is formed in the fixing plate 25, and a limiting column 27 penetrating through the telescopic hole 26 is arranged at the top of the lock plate 20; the lock plate spring 24 is sleeved on the limiting column 27 and is positioned between the lock plate 20 and the fixing piece 25, so that the lock plate 20 can reset and restore after being moved upwards, and the ring gear 8 is locked again.

A handle thumb wheel 28 is mounted on the lock shell 1, the handle thumb wheel 28 is provided with an unlocking thumb block 29 and a transmission thumb block 30, the lock plate 20 is provided with a thumb wheel opening 31, the handle thumb wheel 28 is located in the thumb wheel opening 31, the space utilization rate of the electronic door lock is improved, the thumb wheel opening 31 is provided with an unlocking protrusion 32 which is pushed by the unlocking thumb block 29, the unlocking thumb block 29 firstly touches the unlocking protrusion 32 after the handle thumb wheel 28 rotates, the lock plate 20 is lifted up to unlock the fixed limit of the annular gear 8, and a rotating shaft of the lock shell 1 is connected with a pull rod 33; one end of the pull rod 33 is provided with a transmission hook 34 which is shifted by the transmission shifting block 30, the other end of the pull rod is provided with a pull groove 35, a pull nail 36 which is fixedly connected with the telescopic main board 4 is installed in the pull groove 35, therefore, the handle shifting wheel 28 which continuously rotates can pull the pull rod 33 through the transmission shifting block 30, at the moment, the motor gear is fixedly meshed and fixed by the gear on the motor, and the ring gear 8 rotates, so that the rotating gear can pull back the telescopic main board.

The handle thumb wheel 28 is externally sleeved with a latch driver 37, the latch driver comprises a driving slide plate 38 capable of sliding back and forth in the transverse direction on the telescopic main board 4 and a latch slide plate 39 connected with the latch 5, the handle thumb wheel 28 lifts the lock plate and the telescopic main board is pulled back, and simultaneously drives the latch 5 to contract, the latch slide plate 39 is provided with a second reset mechanism 40, similar to the first reset mechanism, a support is arranged on the motor and sleeved with a spring, the latch slide plate 39 is provided with a hole for accommodating the support so that the latch slide plate 39 has a reset function, the surface of the driving slide plate 38 is provided with a driving block 41, the top of the driving slide plate 38 is provided with a slide rack 42 engaged with the rotating gear 9, the slide rack 42 is not coincident with the normal position of the latch rack 18, the rotating gear 9 is driven by the motor to drive the latch rack 18 first, after the telescopic main board 4 is retracted to the utmost extent, the slide rack 42 is driven by the rotating gear 9 to displace the transmission slide board 38, the bottom of the transmission slide board 38 is provided with a lock core convex block 43 which is poked by the poking piece of the lock core 2 to enable the lock core to drive the transmission slide board 38, the transmission slide board 38 is provided with a third resetting mechanism 44 which is connected with the telescopic main board 4, the latch slide board 39 is provided with a poking bent piece 45 which is poked by the latch poking piece 37 and a poking block 46 which is pushed by the transmission block 41, therefore, after the transmission slide board 38 is driven by the rotating gear 9 (motor) or the lock core to displace, the latch slide board 39 can be driven by the transmission block 41 to pull the latch 5, the transmission slide board is provided with a through groove on the board surface and is provided with a rivet or a screw which is fixed with the telescopic main board in the groove, so that the transmission slide board can lean against the telescopic main board 4 to longitudinally extend, the third returning mechanism 44 is mainly a spring, and the retractable main board 4 and the transmission sliding plate 38 are provided with limiting components for fixing two ends of the spring, so that the transmission sliding plate 38 has a returning function, which is a commonly used part returning technology and will not be described in detail.

Install in the lock shell with the circuit board that the motor electricity is connected and quilt the mainboard response 48 that flexible mainboard triggered, the mainboard inductor is connected with the circuit board electricity, installs latch bolt slide inductor 49 on the circuit board, is provided with the trigger 50 that is used for triggering latch bolt slide inductor 49 on the latch bolt slide 39 for when latch bolt slide 39 and flexible mainboard 4 were driven to the limited position by the motor, trigger 50 on flexible mainboard 4 and the latch bolt slide 39 can trigger mainboard response 48 and latch bolt slide inductor 49 respectively, make motor stall, the mainboard inductor is infrared inductor.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims (10)

1. An electronic lock body with stable transmission comprises a lock shell (1), wherein the lock shell (1) is provided with a lock cylinder (2), a motor (3), a telescopic main board (4) and an oblique bolt (5), the telescopic main board (4) is provided with a bolt block, the oblique bolt (5) is connected with an oblique bolt transmission mechanism, the electronic lock body is characterized in that the lock shell (1) is internally provided with a speed reduction combined gear for driving the telescopic main board (4) and the oblique bolt transmission mechanism and a locking mechanism for locking the speed reduction combined gear, the speed reduction combined gear comprises a main shaft (6) arranged on the lock shell (1), a motor gear (7), a ring gear (8) and a rotating gear (9) arranged on the main shaft (6), the motor gear (7) is driven by the motor (3), and the motor gear (7) is provided with a transmission gear (10) penetrated by the main shaft (6), the inner wall of ring gear (8) is provided with closed annular rack (11), the side of rotating gear (9) is provided with mounting panel (12), install reduction gear group on mounting panel (12), drive gear (10), reduction gear group and annular rack (11) mesh in proper order.

2. The electronic lock body with stable transmission according to claim 1, characterized in that the reduction gear set comprises two or more unit gears (13) surrounding the transmission gear (10), each unit gear (13) is penetratingly mounted on the mounting plate (12) by a rivet (14), and each unit gear (13) is respectively engaged with the transmission gear (10) and the ring rack (11).

3. The electronic lock body with stable transmission according to claim 2, characterized in that the number of the unit gears (13) of the reduction gear set is three, and the three unit gears (13) are distributed with an included angle of 120 °.

4. The electronic lock body with stable transmission according to claim 2, characterized in that the number of the unit gears (13) of the reduction gear set is four, and four unit gears (13) are distributed with an included angle of 90 °.

5. The electronic lock body with stable transmission according to any one of claims 2, 3 or 4, wherein the reduction combination gear comprises an annular pressing plate (15), the annular pressing plate (15) is provided with mounting holes (16) corresponding to the number and positions of the rivets (14), the annular pressing plate (15) is located between the motor gear (7) and the annular gear (8), and two sides of the annular rack (11) are respectively attached to the annular pressing plate (15) and the mounting plate (12).

6. The electronic lock body with stable transmission according to claim 1, characterized in that the retractable main plate (4) is provided with a retractable slot (17) therethrough, the side wall of the retractable slot (17) is provided with a latch bolt rack (18) engaged with the rotating gear (9), and the bottom of the retractable main plate (4) is provided with a lock cylinder notch (19) which is shifted by a shift piece of the lock cylinder (2).

7. The electronic lock body with stable transmission according to claim 1, characterized in that the locking mechanism comprises a locking plate (20) and a first reset mechanism installed on the locking plate (20), the locking plate (20) is provided with a locking plate notch (21) for abdicating and accommodating the reduction combination gear, a side of the locking plate notch (21) is provided with a fixed rack (22) engaged with the ring gear (8), and the bottom of the locking plate (20) is provided with an arc-shaped notch (23) which is shifted by the shift plate of the lock cylinder (2).

8. The electronic lock body with stable transmission according to claim 7, wherein the first reset mechanism comprises a lock plate spring (24) and a fixing plate (25) arranged on the lock shell (1), the fixing plate (25) is provided with a telescopic hole (26), and the top of the lock plate (20) is provided with a limit post (27) penetrating through the telescopic hole (26); the lock plate spring (24) is sleeved on the limiting column (27) and is positioned between the lock plate (20) and the fixing piece (25).

9. The electronic lock body with stable transmission according to claim 7, characterized in that a handle thumb wheel (28) is mounted on the lock case (1), the handle thumb wheel (28) is provided with an unlocking thumb block (29) and a transmission thumb block (30), the lock plate (20) is provided with a thumb wheel opening (31), the handle thumb wheel (28) is located in the thumb wheel opening (31), the thumb wheel opening (31) is provided with an unlocking protrusion (32) which is pushed by the unlocking thumb block (29), and a pull rod (33) is connected to a rotating shaft of the lock case (1); one end of the pull rod (33) is provided with a transmission hook (34) which is shifted by the transmission shifting block (30), the other end of the pull rod is provided with a pull groove (35), and a pull nail (36) fixedly connected with the telescopic main board (4) is installed in the pull groove (35).

10. The electronic lock body with stable transmission according to claim 9, wherein the handle shifting wheel (28) is sleeved with a latch driving plate (37), the latch driving mechanism comprises a driving sliding plate (38) capable of sliding back and forth in the transverse direction on the telescopic main plate (4) and a latch sliding plate (39) connected with the latch (5), a second reset mechanism (40) is installed on the latch sliding plate (39), a driving block (41) is installed on the surface of the driving sliding plate (38), a sliding plate rack (42) engaged with the rotating gear (9) is arranged on the top of the driving sliding plate (38), a lock cylinder protruding block (43) pushed by the shifting plate of the lock cylinder (2) is arranged on the bottom of the driving sliding plate (38), and a third reset mechanism (44) connected with the telescopic main plate (4) is installed on the driving sliding plate (38), the latch bolt sliding plate (39) is provided with a toggle bent piece (45) toggled by the latch bolt toggle piece (37) and a toggle block (46) pushed by the transmission block (41).

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