CN218970885U

CN218970885U - Actuator and electronic lock

Info

Publication number: CN218970885U
Application number: CN202221216980.5U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Fumaihe Technology Shanghai Co ltd
Current assignee: Fumaihe Technology Shanghai Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-05-05
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to the technical field of electronic locks, and discloses an actuator and an electronic lock, wherein the actuator comprises: the spiral rod is rotationally arranged around the X direction, and a spiral guide groove is formed in the peripheral wall of the spiral rod; the lock tongue is arranged in a sliding way along the Y direction; the first end of the transmission piece is inserted into the guide groove, the second end of the transmission piece is in transmission connection with the lock tongue, and the screw rod can drive the lock tongue to slide along the Y direction through the transmission piece when rotating around the X direction. The actuator provided by the utility model can improve the space utilization rate, so that the whole structure is more compact, the miniaturized design of the electronic lock is facilitated, and the universality of the electronic lock is improved.

Description

Actuator and electronic lock

Technical Field

The utility model relates to the technical field of electronic locks, in particular to an actuator and an electronic lock.

Background

Along with the continuous injection of the high and new technology to the traditional lockset, the security function of the lockset is fully extended and expanded, the intelligent electronic lock becomes an indispensable member in the security level security system at present, and the position and the function of the intelligent electronic lock are not replaced by any mechanical lockset. Because of the huge market potential, a plurality of companies at home and abroad invest considerable manpower and material resources to develop and produce the intelligent electronic lock.

The actuator in the current electronic lock occupies a larger space, is unfavorable for the miniaturization design of the electronic lock, and influences the universality of the electronic lock.

Therefore, an actuator and an electronic lock are needed to solve the above technical problems.

Disclosure of Invention

Based on the above, the utility model aims to provide the actuator and the electronic lock, which can improve the space utilization rate, make the whole structure more compact, be beneficial to the miniaturization design of the electronic lock and improve the universality of the electronic lock.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, there is provided an actuator comprising:

the spiral rod is rotationally arranged around the X direction, and a spiral guide groove is formed in the peripheral wall of the spiral rod;

the lock tongue is arranged in a sliding way along the Y direction;

the first end of the transmission piece is inserted into the guide groove, the second end of the transmission piece is in transmission connection with the lock tongue, and the screw rod can drive the lock tongue to slide along the Y direction through the transmission piece when rotating around the X direction.

As an optional technical scheme of the actuator, the lock tongue is provided with a chute, the chute is arranged at an included angle with the Y direction in an X-Y plane, the second end of the transmission piece is inserted into the chute, the transmission piece can move along the X direction under the drive of the screw rod, and meanwhile, the second end of the transmission piece slides along the chute.

As an optional technical scheme of the actuator, the actuator further comprises a guide block, a guide groove extending along the X direction is formed in the guide block, a guide lug is correspondingly arranged on the transmission piece, and the guide lug is slidably arranged in the guide groove.

As an optional technical scheme of the actuator, the actuator further comprises a rotary driving piece, wherein the output end of the rotary driving piece is in transmission connection with the screw rod, and the rotary driving piece can drive the screw rod to rotate around the X direction.

As an optional technical scheme of the actuator, the actuator further comprises a gear transmission assembly, the rotary driving piece is in transmission connection with the screw rod through the gear transmission assembly, the input end of the gear transmission assembly is in transmission connection with the output end of the rotary driving piece, and the output end of the gear transmission assembly is in transmission connection with one end of the screw rod.

As an alternative solution of the actuator, the gear assembly includes:

the input worm is fixed at the output end of the rotary driving piece and is arranged along the Y direction;

the transmission worm wheel is in meshed transmission connection with the input worm, and the transmission worm wheel is rotationally arranged around the X direction;

the transmission gear is coaxially arranged with the transmission worm wheel and synchronously rotates with the transmission worm wheel;

the output gear is fixed at one end of the screw rod and is in meshed transmission connection with the transmission gear.

As an optional technical solution of the actuator, the actuator further includes:

the bottom shell is internally provided with a containing cavity, the rotary driving piece, the screw rod and the transmission piece are all arranged in the containing cavity, the lock tongue is arranged in the containing cavity in a sliding manner along the Y direction, and one end of the lock tongue extends out of the bottom shell along the Y direction;

and the upper cover is arranged at the opening end of the accommodating cavity.

As an optional technical scheme of the actuator, the actuator further comprises a position detection assembly, wherein the position detection assembly is arranged on the lock tongue and/or the bottom shell, and the position detection assembly can detect the position of the lock tongue in the Y direction.

As an optional technical scheme of executor, the lock tongue stretches out the one end of drain pan and is equipped with lock post portion, lock post portion includes first lock post and second lock post, first lock post is located the second lock post is kept away from the one end of hob, the external diameter of first lock post is less than the external diameter of second lock post.

In a second aspect, there is provided an electronic lock comprising an actuator as described above.

The beneficial effects of the utility model are as follows:

the screw rod of the actuator provided by the utility model is rotationally arranged around the X direction, one end of the transmission piece is inserted into the guide groove, the other end of the transmission piece is in transmission connection with the lock tongue, the transmission piece slides along the guide groove when the screw rod rotates, and the screw rod drives the lock tongue to slide along the Y direction through the transmission piece. The extending direction of the screw rod is perpendicular to the sliding direction of the lock tongue, so that the space occupation of the whole structure in the X direction or the Y direction is reduced, the space utilization rate is improved, the whole structure is more compact, the miniaturization design of the electronic lock is facilitated, and the universality of the electronic lock is improved; meanwhile, the transmission structure formed by the screw rod and the transmission piece realizes larger torque transmission and provides larger push-pull force for the lock tongue.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of the structure of an actuator provided by the present utility model;

FIG. 2 is a schematic view of the internal structure of the actuator provided by the present utility model;

FIG. 3 is a schematic view of the internal structure of the actuator according to the present utility model at another perspective;

FIG. 4 is a schematic view of the internal partial structure of the actuator provided by the present utility model;

FIG. 5 is a schematic view of a part of an actuator according to the present utility model;

fig. 6 is a schematic diagram showing a partial structure of an actuator according to the present utility model.

In the figure:

1. a rotary driving member; 2. a screw rod; 21. a guide groove; 3. a bolt; 31. a chute; 32. a lock cylinder part; 321. a first lock cylinder; 322. a second lock cylinder; 4. a transmission member; 41. a guide projection; 5. a gear drive assembly; 51. inputting a worm; 52. a drive worm wheel; 53. a transmission gear; 54. an output gear; 6. an electric conductor; 7. a circuit board; 71. a conductive layer; 8. a guide block; 81. a guide groove; 9. a bottom case; 10. and (5) an upper cover.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

As shown in fig. 1-6, this embodiment provides an actuator, including rotary driving piece 1, hob 2, spring bolt 3 and driving piece 4, hob 2 is connected with rotary driving piece 1's output transmission, and rotary driving piece 1 can drive hob 2 and rotate around the X direction, is equipped with helical guide slot 21 on hob 2's the week wall, and spring bolt 3 slides along the Y direction and sets up, and guide slot 21 is inserted to driving piece 4's first end, and driving piece 4's second end is connected with spring bolt 3 transmission, can drive spring bolt 3 through driving piece 4 when hob 2 rotates around the X direction and slide along the Y direction.

Specifically, the actuator provided in this embodiment drives the screw rod 2 to rotate around the X direction through the rotation driving member 1, one end of the transmission member 4 is inserted into the guide slot 21, the other end is in transmission connection with the lock tongue 3, the transmission member 4 slides along the guide slot 21 when the screw rod 2 rotates, and the screw rod 2 drives the lock tongue 3 to slide along the Y direction through the transmission member 4. The extending direction of the screw rod 2 is perpendicular to the sliding direction of the lock tongue 3, so that the space occupation of the whole structure in the X direction or the Y direction is reduced, the space utilization rate is improved, the whole structure is more compact, the miniaturization design of the electronic lock is facilitated, and the universality of the electronic lock is improved; meanwhile, the transmission structure formed by the screw rod 2 and the transmission piece 4 realizes larger torque transmission and provides larger push-pull force for the lock tongue 3.

Further, be equipped with spout 31 on the spring bolt 3, spout 31 is the contained angle setting with the Y direction in X-Y plane, and the second end of driving medium 4 is inserted and is located in spout 31, and the first end and the second end of driving medium 4 all set up to round rod-like structure, and driving medium 4 can follow X direction activity under the drive of hob 2, and the second end of driving medium 4 slides along spout 31 simultaneously. Specifically, when the screw rod 2 rotates, the transmission member 4 moves along the guide groove 21 relative to the screw rod 2, the posture of the transmission member 4 is kept unchanged, the position of the transmission member 4 in the Y direction is also unchanged, and when the transmission member 4 moves along the X direction, the sliding chute 31 drives the lock tongue 3 to slide along the Y direction, so that the conversion from rotary motion to linear motion is realized.

Optionally, as shown in fig. 3 and fig. 4, the actuator further includes a guide block 8, a guide groove 81 extending along the X direction is provided in the guide block 8, and a guide protrusion 41 is correspondingly provided on the transmission member 4, where the guide protrusion 41 is slidably disposed in the guide groove 81. The arrangement of the guide block 8 limits the attitude of the transmission member 4 and its position in the Y direction, providing guidance for the movement of the transmission member 4.

Optionally, the actuator further includes a bottom shell 9 and an upper cover 10, a receiving cavity is arranged in the bottom shell 9, the rotary driving piece 1, the screw rod 2 and the transmission piece 4 are all arranged in the receiving cavity, the lock tongue 3 is slidably arranged in the receiving cavity along the Y direction, one end of the lock tongue 3 extends out of the bottom shell 9 along the Y direction, and the upper cover 10 covers an opening end of the receiving cavity.

Preferably, the guide block 8 is integrally formed with the bottom case 9.

Optionally, the actuator further comprises a gear transmission assembly 5, the rotary driving piece 1 is in transmission connection with the screw rod 2 through the gear transmission assembly 5, the input end of the gear transmission assembly 5 is in transmission connection with the output end of the rotary driving piece 1, and the output end of the gear transmission assembly 5 is in transmission connection with one end of the screw rod 2.

Specifically, the gear transmission assembly 5 includes an input worm 51, a transmission worm wheel 52, a transmission gear 53, and an output gear 54. The input worm 51 is fixed at the output end of the rotary driving piece 1, the input worm 51 is arranged along the Y direction, the transmission worm wheel 52 is in meshed transmission connection with the input worm 51, the transmission worm wheel 52 is rotatably arranged around the X direction, the transmission gear 53 is coaxially arranged with the transmission worm wheel 52, the transmission gear 53 and the transmission worm wheel 52 synchronously rotate, the output gear 54 is fixed at one end of the spiral rod 2, the output gear 54 is in meshed transmission connection with the transmission gear 53, and the pitch circle diameter of the output gear 54 is larger than that of the transmission gear 53. The gear transmission assembly 5 increases the torque transmitted to the screw rod 2 by the rotary driving piece 1 through the arrangement of the transmission ratio, improves the push-pull force of the lock tongue 3 and improves the reliability of the action of the actuator.

Preferably, the rotary driving member 1 employs a rotary motor. In other embodiments, other driving members such as a hydraulic motor may be used as the rotation driving member 1.

Optionally, the actuator further includes a control device and a position detection component, the control device is electrically connected with the rotary driving piece 1 and the position detection component, the control device can adopt a singlechip of STM32 and other models, a control program can be written in, the position detection component is arranged on the lock tongue 3 and/or the bottom shell 9, and the position detection component can detect the position of the lock tongue 3 in the Y direction.

Specifically, the position detecting assembly includes a circuit board 7 and an electric conductor 6, the circuit board 7 is disposed in the bottom case 9, the circuit board 7 is disposed to extend along the Y direction, the circuit board 7 is provided with continuous or spaced conductive layers 71 in the extending direction, and the circuit board 7 is electrically connected with the control device; the conductor 6 is fixedly connected with the lock tongue 3, the conductor 6 is correspondingly arranged with the conductive layer 71, the conductor 6 is electrically connected with the control device, and when the lock tongue 3 slides linearly along the Y direction, the conductor 6 can be driven to change the conducting position with the conductive layer 71, so that the length of the conductive layer 71 connected into a conducting circuit is adjusted, or the conductive layer 71 is selectively connected into the conducting circuit.

In this embodiment, the circuit board 7 is provided with a long conductive layer 71 extending along the Y direction, and when the conductive body 6 slides along with the latch bolt 3, the conductive layer 71 changes its conducting position, so as to adjust the length of the conductive layer 71 connected to the conducting circuit, and further change the detection signal, and the control device controls the rotation driving member 1 to act by comparing a preset trigger signal with an actual measurement signal, so as to control the rotation direction of the rotation driving member 1 or stop the rotation driving member 1, thereby adjusting the movement direction of the latch bolt 3 and limiting the movement limit position of the latch bolt 3. The position detection assembly is arranged to enable the actuator to automatically detect whether the lock tongue 3 moves to the innermost or outermost limit position, and automatically control the rotary driving piece 1 to stop according to the detection signal.

In other embodiments, the front and rear ends of the circuit board 7 facing the latch 3 may be provided with a conductive layer 71, which is separated from each other. When the rotary driving piece 1 drives the lock tongue 3 to retract inwards and move to the innermost position, the conductor 6 is abutted to and conducted with the conductive layer 71 at the rear end of the circuit board 7, and the control device receives a first conduction signal and controls the rotary driving piece 1 to stop acting; when the rotary driving piece 1 drives the lock tongue 3 to extend outwards and move to the outermost position, the conductor 6 is abutted to and conducted with the conducting layer 71 at the front end of the circuit board 7, the control device receives a second conducting signal and controls the rotary driving piece 1 to stop acting, and the function of automatically controlling the rotary driving piece 1 to stop acting can be achieved.

Preferably, when the conductive layer 71 is configured as an integrated strip structure, the conductive layer 71 may be made of resistive materials such as constantan, nichrome, and carbonaceous materials, so as to adjust the impedance of the access conducting circuit, thereby realizing signal variation; when the conductive layer 71 is provided in plural in a separated manner, the conductive layer 71 may be made of a low-resistance material such as copper foil.

Optionally, the conductive body 6 adopts conductive elastic column, and conductive elastic column includes mount pad, elastic component and conductive column, and conductive column scarf joint is in the hole of stepping down of mount pad, and in the mount pad was located to the elastic component, the both ends of elastic component butt mount pad and conductive column respectively, and the elastic component has the trend of promoting conductive column outwards to stretch out. The whole structure of the conductive elastic column is stable and reliable, and the elastic piece is not in direct contact with the circuit board 7, so that the elastic piece cannot be affected by friction and abrasion, and the conductive elastic column is good in durability and not easy to fail.

In other embodiments, the conductor 6 may also be provided as an elastic sheet structure, where the conductor 6 may be made of a copper sheet, one end of the copper sheet is fixedly connected with the latch 3, the other end of the copper sheet is suspended, the suspended end is provided with a contact plane, the conductor 6 is in a state of being co-extruded by the latch 3 and the circuit board 7, and the conductor 6 is tightly attached to the surface of the circuit board 7 facing the latch 3 by virtue of self elastic reaction force, so as to ensure reliable contact between the conductor 6 and the conductive layer 71. The conductor 6 of this structure is simple in structure and low in material cost.

Optionally, the end of the lock tongue 3 extending out of the bottom shell 9 is provided with a lock pillar portion 32, the lock pillar portion 32 includes a first lock pillar 321 and a second lock pillar 322, the first lock pillar 321 is disposed at one end of the second lock pillar 322 far away from the screw rod 2, and the outer diameter of the first lock pillar 321 is smaller than the outer diameter of the second lock pillar 322.

The embodiment also provides an electronic lock, which comprises the actuator, wherein the actuator is arranged in the electronic lock body, and the actuator drives the lock tongue 3 in the actuator to extend and retract the electronic lock body so as to lock and unlock the electronic lock.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. An actuator, comprising:

the spiral rod (2) is rotatably arranged around the X direction, and a spiral guide groove (21) is formed in the peripheral wall of the spiral rod (2);

the lock tongue (3) is arranged in a sliding way along the Y direction;

the transmission piece (4), the first end of transmission piece (4) is inserted and is located guide slot (21), the second end of transmission piece (4) with spring bolt (3) transmission is connected, screw rod (2) can pass through when rotating around the X direction drive spring bolt (3) are followed Y direction and are slided.

2. The actuator according to claim 1, wherein the lock tongue (3) is provided with a chute (31), the chute (31) is arranged at an included angle with the Y direction in the X-Y plane, the second end of the transmission member (4) is inserted into the chute (31), the transmission member (4) can move along the X direction under the driving of the screw rod (2), and simultaneously the second end of the transmission member (4) slides along the chute (31).

3. The actuator according to claim 2, further comprising a guide block (8), wherein a guide groove (81) extending along the X direction is formed in the guide block (8), a guide projection (41) is correspondingly formed on the transmission member (4), and the guide projection (41) is slidably disposed in the guide groove (81).

4. The actuator according to claim 1, further comprising a rotary driving member (1), wherein an output end of the rotary driving member (1) is in transmission connection with the screw rod (2), and the rotary driving member (1) can drive the screw rod (2) to rotate around the X direction.

5. The actuator according to claim 4, further comprising a gear assembly (5), wherein the rotary driving member (1) is in driving connection with the screw rod (2) through the gear assembly (5), wherein an input end of the gear assembly (5) is in driving connection with an output end of the rotary driving member (1), and wherein an output end of the gear assembly (5) is in driving connection with one end of the screw rod (2).

6. Actuator according to claim 5, wherein the gear assembly (5) comprises:

an input worm (51) fixed to an output end of the rotary driving member (1), the input worm (51) being disposed in the Y direction;

a transmission worm wheel (52) in meshed transmission connection with the input worm (51), wherein the transmission worm wheel (52) is rotatably arranged around the X direction;

a transmission gear (53) coaxially arranged with the transmission worm wheel (52), and the transmission gear (53) and the transmission worm wheel (52) synchronously rotate;

and the output gear (54) is fixed at one end of the screw rod (2), and the output gear (54) is in meshed transmission connection with the transmission gear (53).

7. The actuator of claim 1, wherein the actuator further comprises:

the novel lock comprises a bottom shell (9), wherein a containing cavity is formed in the bottom shell (9), the screw rod (2) and the transmission piece (4) are arranged in the containing cavity, the lock tongue (3) is arranged in the containing cavity in a sliding mode along the Y direction, and one end of the lock tongue (3) extends out of the bottom shell (9) along the Y direction;

and the upper cover (10) is covered at the opening end of the accommodating cavity.

8. Actuator according to claim 7, further comprising a position detection assembly provided on the bolt (3) and/or the bottom shell (9), the position detection assembly being able to detect the position of the bolt (3) in the Y direction.

9. The actuator according to claim 7, wherein a lock post portion (32) is provided at an end of the lock tongue (3) extending out of the bottom case (9), the lock post portion (32) includes a first lock post (321) and a second lock post (322), the first lock post (321) is provided at an end of the second lock post (322) away from the screw rod (2), and an outer diameter of the first lock post (321) is smaller than an outer diameter of the second lock post (322).

10. An electronic lock comprising an actuator as claimed in any one of claims 1 to 9.