CN210134720U

CN210134720U - Motor lock

Info

Publication number: CN210134720U
Application number: CN201920546991.1U
Authority: CN
Inventors: 何玉良; 王海伟; 李立广
Original assignee: SHIJIAZHUANG KEDA STATIONERY CO Ltd
Current assignee: SHIJIAZHUANG KEDA STATIONERY CO Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-03-10
Anticipated expiration: 2029-04-19

Abstract

The utility model provides a motor lock, belonging to the technical field of auxiliary teaching tools, comprising a supporting part, a lock pin movably arranged on the supporting part, and a driving device fixedly arranged on the supporting part and used for driving the lock pin to move forwards or backwards; the driving device comprises an elastic piece connected with the rear end of the lock pin and a power device used for pushing the lock pin backwards; the power device comprises a motor and an eccentric part sleeved on an output shaft of the motor, and the middle part of the lock pin is provided with an accommodating cavity for accommodating the eccentric part; in a free state, the power device and the elastic piece do not apply force to the lock pin, and the front end of the lock pin extends into a lock hole positioned outside the supporting part; when the lock is unlocked, the motor drives the eccentric part to rotate, the eccentric part pushes the lock pin backwards, and the lock pin overcomes the elasticity of the elastic part and moves backwards until the front end of the lock pin moves out of the lock hole. The utility model provides a motor lock has solved the problem that mechanical lock and electromagnetic lock exist.

Description

Motor lock

Technical Field

The utility model belongs to the technical field of supplementary teaching aid, more specifically say, relate to a motor lock.

Background

The traditional education equipment mostly adopts a mechanical lock or an electromagnetic lock, the mechanical lock has many defects in management such as key management and informatization incapability, and the electromagnetic lock serving as a complementary product of the mechanical lock is really improved in informatization, but the electromagnetic lock has the problems of small suction force and short stroke, and has many limitations in design and application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor lock aims at solving mechanical lock and manages at the key and can not informationization scheduling problem, and electromagnetic lock has that suction is little, the stroke is short scheduling problem, uses and has inconvenient technical problem more.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a motor lock comprising: the locking mechanism comprises a supporting part, a locking pin movably arranged on the supporting part, and a driving device fixedly arranged on the supporting part and used for driving the locking pin to move forwards or backwards; the driving device comprises an elastic piece connected with the rear end of the lock pin and a power device used for pushing the lock pin backwards; the power device comprises a motor and an eccentric part sleeved on an output shaft of the motor, and the middle part of the lock pin is provided with an accommodating cavity for accommodating the eccentric part;

in a free state, the power device and the elastic piece do not apply force to the lock pin, and the front end of the lock pin extends into a lock hole positioned outside the supporting part; when the lock is unlocked, the motor drives the eccentric part to rotate, the eccentric part pushes the lock pin backwards, and the lock pin overcomes the elasticity of the elastic part and moves backwards until the front end of the lock pin is moved out of the lock hole.

Further, the eccentric part comprises a disc sleeved on the output shaft and a push rod arranged on the disc, the axis of the push rod is parallel to the axis of the output shaft, and the free end of the push rod extends into the accommodating cavity.

Furthermore, the supporting portion comprises a shell, a first cavity used for containing the motor and a second cavity used for containing the lock pin and the elastic piece are arranged in the shell, the first cavity is vertically communicated with the second cavity, an opening communicated with the second cavity and the outside is formed in the shell, the front end of the lock pin penetrates through the opening to extend out of the shell, and one end, far away from the lock pin, of the elastic piece is fixedly connected with the inner wall of the second cavity.

Further, the top of casing be provided with the casing can dismantle the apron of being connected, still be provided with the intercommunication on the casing first cavity and outside just are used for supplying the cable mounting hole that the power cord of motor passed.

Furthermore, a clamping piece is arranged on the outer wall of the shell, and a fastener used for being fastened with the clamping piece is arranged on one side of the cover plate.

Further, a connecting piece for connecting the shell and a target connecting object is arranged at the bottom of the shell.

Further, the connecting piece comprises a first connecting body detachably connected with the shell and a second connecting body arranged on the first connecting body and used for being connected with the target connecting object.

Furthermore, the second connecting body is an L-shaped connecting sheet or a U-shaped connecting sheet, the U-shaped connecting sheet is positioned in front of the opening, and through holes for the lock pins to pass through are respectively formed in two side plates of the U-shaped connecting sheet.

Furthermore, a limiting rod used for limiting the relative position of the elastic piece and the lock pin is arranged at the rear end of the lock pin, and one end, connected with the lock pin, of the elastic piece is sleeved on the limiting rod.

The utility model provides a motor lock's beneficial effect lies in: compared with the prior art, the utility model discloses the motor lock passes through turning to of motor control eccentric member, and then realizes unblanking or closing the lock operation, need not the key, and the turning to accessible button of motor, control such as remote control, the automated control of motor lock has been realized, and the lockpin inserts behind the keyhole, relation of connection between them is stable, the elastic component and the eccentric member of different specifications are selected to the stroke accessible of lockpin 200 and are adjusted, the problem that mechanical lock and electromagnetic lock exist has effectively been overcome, and simple structure, the installation, it is convenient to maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a motor lock according to an embodiment of the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of a lock pin used in an embodiment of the present invention;

fig. 4 is a schematic structural view of a motor lock according to another embodiment of the present invention.

In the figure: 100. a support portion; 110. a housing; 120. a first cavity; 130. a second cavity; 140. an opening; 150. a cover plate; 160. a cable mounting hole; 170. a fastener; 180. a fastener; 200. a lock pin; 300. a drive device; 310. an elastic member; 320. a motor; 400. an accommodating chamber; 500. a disc; 600. a push rod; 700. a connecting member; 710. a first connecting body; 720. a second connector; 730. a through hole; 800. a limiting rod.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 3 together, a motor lock according to an embodiment of the present invention will now be described. The motor lock comprises a supporting part 100, a lock pin 200 movably arranged on the supporting part 100, and a driving device 300 fixedly arranged on the supporting part 100 and used for driving the lock pin 200 to move forwards or backwards; the driving means 300 includes an elastic member 310 attached to the rear end of the lock pin 200 and a power means for pushing the lock pin 200 backward; the power device comprises a motor 320 and an eccentric part sleeved on an output shaft of the motor 320, and the middle part of the lock pin 200 is provided with an accommodating cavity 400 for accommodating the eccentric part.

In a free state, the power device and the elastic element 310 do not apply force to the lock pin 200, and the front end of the lock pin 200 extends into a lock hole positioned outside the support part 100; when the lock is unlocked, the motor 320 drives the eccentric member to rotate, the eccentric member pushes the lock pin 200 backwards, and the lock pin 200 overcomes the elasticity of the elastic member 310 to move backwards until the front end of the lock pin 200 is moved out of the keyhole.

When the lock is unlocked, the motor 320 rotates forwards to drive the eccentric part to rotate around the axis of the output shaft of the motor 320, backward thrust is applied to the lock pin 200, the lock pin 200 overcomes the elastic force generated by the compression of the elastic part 310, and moves backwards until the front end of the lock pin 200 moves out of the lock hole. When the lock is closed, the motor 320 rotates reversely, the eccentric member returns to the original position, the lock pin 200 returns to the original position under the pushing action of the elastic member 310 and is inserted into the lock hole again, and the elastic member 310 returns to the original state.

It should be noted that the rotation direction of the motor 320 for driving the eccentric member to push the lock pin 200 backward is recorded as the forward rotation direction of the motor 320, and a person skilled in the art can automatically determine that the forward rotation direction is clockwise rotation or counterclockwise rotation as required. The motor 320 may be disposed perpendicular to the lock pin 200 or parallel to the lock pin 200, depending on the particular configuration of the eccentric member.

The embodiment of the utility model provides a motor lock, compared with the prior art, the direction of turning through motor 320 control eccentric member, and then realize unblanking or close the lock operation, need not the key, and motor 320 turn to the accessible button, control such as remote control, the automated control of motor lock has been realized, and lockpin 200 inserts behind the keyhole, the relation of connection between them is stable, the elastic component 310 and the eccentric member of different specifications are selected to the stroke accessible of lockpin 200 and are adjusted, the problem that mechanical lock and electromagnetic lock exist has effectively been overcome, and simple structure, the installation, it is convenient to maintain.

The eccentric member may be an eccentric wheel or other eccentric structure in this embodiment, and the elastic member 310 may be a spring, elastic rubber, or the like. The elastic member 310 and the reduction ratio of the power device can be selected to match different torques according to specific requirements.

As a specific implementation manner of the motor lock provided by the present invention, please refer to fig. 1, the eccentric component includes a disc 500 sleeved on the output shaft and a push rod 600 arranged on the disc 500, the axis of the push rod 600 is parallel to the axis of the output shaft, and the free end of the push rod 600 extends into the accommodating cavity 400.

When the lock is unlocked, the motor 320 rotates forwards to drive the disc 500 to rotate around the axis of the output shaft of the motor 320 until the push rod 600 rotates to be connected with the rear side wall of the accommodating cavity 400, the disc 500 is driven to rotate forwards electrically, the push rod 600 pushes the rear side wall of the accommodating cavity 400 backwards to further realize the backward pushing of the lock pin 200 until the front end of the lock pin 200 moves out of the lock hole, the motor 320 stops rotating, and the motor lock is in an unlocking state. When the lock is closed, the motor 320 rotates reversely, the pushing force of the push rod 600 to the lock pin 200 decreases gradually, the elastic member 310 pushes the lock pin 200 forward until the push rod 600 is separated from the rear side wall of the accommodating chamber 400, the elastic member 310 returns to the original state before being compressed, and the lock pin 200 is reinserted into the lock hole.

The eccentric part adopts a structure formed by combining the disc 500 and the push rod 600, so that the contact area between the eccentric part and the lock pin 200 is smaller, and the friction force between the eccentric part and the lock pin 200 is smaller when the eccentric part pushes the lock pin 200 backwards, so that the risk of relative abrasion of the eccentric part or the lock pin 200 in the use process is reduced, and the longer service life of the motor lock is ensured.

As a specific embodiment of the motor lock provided in the present invention, please refer to fig. 1, the supporting portion 100 includes a casing 110, a first cavity 120 for accommodating the motor 320 and a second cavity 130 for accommodating the lock pin 200 and the elastic member 310 are disposed in the casing 110, the first cavity 120 and the second cavity 130 are vertically communicated, the casing 110 is provided with an opening 140 for communicating the second cavity 130 with the outside, the front end of the lock pin 200 passes through the opening 140 and extends to the outside of the casing 110, and one end of the elastic member 310 far away from the lock pin 200 is fixedly connected to the inner wall of the second cavity 130.

The arrangement of the shell 110 plays a certain role in protecting the motor 320, the lock pin 200 and the elastic piece 310, reduces the friction between the motor lock and other objects in the carrying process, further reduces the risk of damage, and ensures the stability of the working performance of the motor lock and the longer service life of the motor lock.

The arrangement of the first cavity 120 and the second cavity 130 realizes the fixation of the relative positions of the motor 320 and the lock pin 200 with the shell 110, reduces the occurrence of the phenomenon that the motor 320 or the lock pin 200 deviates from the preset position in the use process, and meanwhile, the lock pin 200 and the motor 320 are fixed with the shell 110 without additional fixing parts.

As a specific embodiment of the motor lock provided in the present invention, please refer to fig. 4, a cover plate 150 detachably connected to the housing 110 is disposed on the top of the housing 110, and a cable mounting hole 160 for passing a power line of the power supply 320 is further disposed on the housing 110 and communicating the first cavity 120 with the outside.

The cover plate 150 prevents impurities such as dust from falling into the housing 110, which affects the normal rotation of the motor 320 or the eccentric wheel, and further ensures the stability of the working performance of the motor lock and a longer service life.

In this embodiment, the cover plate 150 may be detachably connected to the housing 110 by bolts, or may be inserted into or bonded to the housing 110.

As a specific embodiment of the electromechanical lock provided in the present invention, please refer to fig. 4, a clamping member 170 is disposed on an outer wall of the housing 110, and a fastening member 180 for fastening with the clamping member 170 is disposed on one side of the cover plate 150.

Fastener 170 and fastener 180 set up the lock joint that has realized apron 150 and casing 110, make when installing apron 150, can buckle apron 150 earlier and establish on casing 110, and through fastener 170 and fastener 180 fixed cover plate 150 and casing 110's relative position, rethread bolt etc. with both fixed connection, thereby guaranteed that apron 150 and casing 110 pass through relative position between them after connecting such as bolt is the same with presetting the position, and then guaranteed that motor lock overall structure's regularity and pleasing to the eye.

Referring to fig. 1, 2 and 4, a connecting member 700 for connecting the housing 110 and a target object is disposed at the bottom of the housing 110.

The target connecting object is an article to which a motor lock needs to be installed, if the motor lock needs to be installed on a frame of the blackboard, the target connecting object is the frame of the blackboard.

The connection member 700 may be a bolt, a connection piece, a connection rod, etc., as long as the connection of the motor lock with the target connection object can be achieved.

As a specific embodiment of the motor lock of the present invention, please refer to fig. 1, fig. 2 and fig. 4, the connecting member 700 includes a first connecting body 710 detachably connected to the housing 110 and a second connecting body 720 disposed on the first connecting body 710 and used for connecting to a target object.

The first connection body 710 is provided to detachably connect the connection member 700 to the housing 110, so that a user can easily remove the connection member 700 from the housing 110 or mount the connection member 700 to the housing 110 as desired.

The second connector 700 may be an ear plate, a connecting plate, or the like connected to the target connector.

As a specific embodiment of the motor lock of the present invention, please refer to fig. 4, the second connecting body 720 is an L-shaped connecting piece or a U-shaped connecting piece, the U-shaped connecting piece is located in front of the opening 140, and two side plates of the U-shaped connecting piece are respectively provided with a through hole 730 for the lock pin 200 to pass through.

When the lock is closed, the front end of the lock pin 200 passes through the opening 140 and the through holes 730 on the two side plates of the U-shaped connecting piece in sequence and then is locked in the lock hole.

The U-shaped connecting piece and the two through holes 730 arranged on the U-shaped connecting piece realize the fixation of the extending direction of the lock pin 200, further avoid the situation that the lock pin 200 shakes left and right or up and down in the using process, and effectively avoid the risk that the lock pin 200 is rubbed with the side wall of the lock hole after being inserted into the lock hole, thereby ensuring the stability of the connection relation between the motor lock and the target connecting object and reducing the risk of abrasion of the lock hole.

As a specific embodiment of the motor lock provided in the present invention, please refer to fig. 3, a limiting rod 800 for limiting the relative position between the elastic member 310 and the lock pin 200 is disposed at the rear end of the lock pin 200, and a sleeve connecting the elastic member 310 and the lock pin 200 is disposed on the limiting rod 800.

The setting of gag lever post 800 has injectd the flexible direction of elastic component 310, has reduced the elastic component 310 and has taken place to the crooked phenomenon of the axis direction of keeping away from gag lever post 800 when flexible, has guaranteed that elastic component 310 applies force to lockpin 200 along the length direction of lockpin 200 all the time, has ensured the flexible smoothness nature of lockpin 200 of unblanking or lock closing in-process, and has effectively avoided elastic component 310 to take place the risk of damaging.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The motor lock is characterized by comprising a supporting part, a lock pin movably arranged on the supporting part, and a driving device fixedly arranged on the supporting part and used for driving the lock pin to move forwards or backwards; the driving device comprises an elastic piece connected with the rear end of the lock pin and a power device used for pushing the lock pin backwards; the power device comprises a motor and an eccentric part sleeved on an output shaft of the motor, and the middle part of the lock pin is provided with an accommodating cavity for accommodating the eccentric part;

2. The electromechanical lock of claim 1, wherein: the eccentric part comprises a disc sleeved on the output shaft and a push rod arranged on the disc, the axis of the push rod is parallel to that of the output shaft, and the free end of the push rod extends into the accommodating cavity.

3. The electromechanical lock of claim 1, wherein: the supporting portion comprises a shell, a first cavity used for containing the motor and a second cavity used for containing the lock pin and the elastic piece are arranged in the shell, the first cavity and the second cavity are vertically communicated, an opening communicated with the second cavity and the outside is formed in the shell, the front end of the lock pin penetrates through the opening and extends out of the shell, and one end, far away from the lock pin, of the elastic piece is fixedly connected with the inner wall of the second cavity.

4. The electromechanical lock of claim 3, wherein: the top of casing be provided with the apron of connection can be dismantled to the casing, still be provided with the intercommunication on the casing first cavity and outside just are used for the confession the cable mounting hole that the power cord of motor passed.

5. The electromechanical lock of claim 4, wherein: the outer wall of the shell is provided with a clamping piece, and one side of the cover plate is provided with a fastener which is used for being fastened with the clamping piece.

6. The electromechanical lock of claim 3, wherein: the bottom of the shell is provided with a connecting piece used for connecting the shell with a target connecting object.

7. The electromechanical lock of claim 6, wherein: the connecting piece comprises a first connecting body detachably connected with the shell and a second connecting body arranged on the first connecting body and used for being connected with the target connecting object.

8. The electromechanical lock of claim 7, wherein: the second connector is an L-shaped connecting sheet or a U-shaped connecting sheet, the U-shaped connecting sheet is positioned in front of the opening, and through holes for the lock pins to pass through are respectively formed in two side plates of the U-shaped connecting sheet.

9. The electromechanical lock of any of claims 1 to 8, wherein: the rear end of the lock pin is provided with a limiting rod used for limiting the relative position of the elastic piece and the lock pin, and one end of the elastic piece, which is connected with the lock pin, is sleeved on the limiting rod.