WO2021175043A1 - 用于箱柜的电动锁 - Google Patents
用于箱柜的电动锁 Download PDFInfo
- Publication number
- WO2021175043A1 WO2021175043A1 PCT/CN2021/073563 CN2021073563W WO2021175043A1 WO 2021175043 A1 WO2021175043 A1 WO 2021175043A1 CN 2021073563 W CN2021073563 W CN 2021073563W WO 2021175043 A1 WO2021175043 A1 WO 2021175043A1
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- Prior art keywords
- component
- accommodating
- electric
- limiting
- limit
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
Definitions
- the utility model relates to a door lock, and more specifically, to an electric lock for a cabinet.
- the box door is usually closed by external force, so that the lock bolt provided on the box door enters the lock and pushes its components to rotate to the locked position so that the box door is locked;
- the electric mode is usually used to release the cooperation of the components at the locked position, so that the lock bolt is pushed out and the box door is opened.
- a micro switch is arranged inside the lock housing, so that when the accommodating part that accommodates the lock bolt moves or rotates, the micro switch is triggered to send a lock or unlock signal.
- the technical problem to be solved by the present utility model is that, in view of the above-mentioned defects of the prior art that the system reading state and the actual door state are inconsistent, and the life of the micro switch is short, it provides a system that does not appear in the system reading state and The actual state of the door is inconsistent, and the micro switch has a long service life. It is used for the electric lock of the cabinet.
- the technical solution adopted by the utility model to solve its technical problems is: constructing an electric lock for cabinets, which includes a shell, an accommodation component, a limit component, an electric component and a state micro switch.
- the state micro-switches are all arranged in the housing; wherein the accommodating part and the limiting part are rotatably fixed at the set position in the housing, so that the lock bolt installed on the cabinet door is When the accommodating member enters the accommodating groove of the accommodating member through the lock bolt groove provided on the housing, and the accommodating member is pushed to rotate to the locked position, the limiting member restricts the accommodating member to prevent It rotates in the reverse direction, so that the lock bolt is fixed in the accommodating groove to realize the lock of the box door; after receiving the unlocking signal, the electric component moves and drags the limit component connected to it Rotate so that the limiting component leaves the position that restricts the accommodating component, the accommodating component can be rotated in the opposite direction, and the lock bolt is pushed away from the electric lock along the lock bolt groove to realize unlocking;
- the state micro switch
- the accommodating member maintains contact with the limiting member during the reverse rotation and after the lock bolt is pushed out, so that the limiting member cannot return to the position when the electric lock was locked , So as to maintain the contact of the limit component to the state micro switch, and continuously output the unlock state signal.
- one end of the accommodating component is provided with a accommodating groove for accommodating the lock bolt, and the accommodating groove includes an opening on one end of the accommodating component and extending toward the middle of the accommodating component A groove with a set depth; the other end of the accommodating component is provided with a top surface, the top surface is used to contact the limiting component after rotating in the direction of the accommodating component and pushing out the lock bolt And limit the rotation state of the limiting component; in the set position of the middle part between the accommodating groove and the top surface, there is also provided for rotating and fixing the accommodating component on the housing.
- a mounting hole the first mounting hole cooperates with a first mounting post provided on the housing, so that the accommodating component is rotatably fixed in the housing; and the first mounting post is sleeved on the first mounting post
- a first torsion spring located above and below the accommodating part, the two ends of the first torsion spring respectively contact the side wall of the housing and the accommodating part after installation, and are the accommodating part Provides reverse rotation power.
- the top surface is located on a top surface protrusion, the top surface protrusion has a front edge and a rear edge; the front edge is provided with a stepped structure for placing one end of the first torsion spring; The limiting component is in contact with the rear edge to limit the accommodating component and prevent it from rotating in the opposite direction.
- the limiting component includes a limiting body and a tow bar connected to the limiting body, the limiting body includes a head end and a tail end, and the head end is in contact with each other when in the locked position.
- the rear edge of the protruding portion of the top surface contacts to limit the reverse rotation of the accommodating member;
- the tail end is opposite to the head end, and the tow bar is connected to the tail end;
- the head end and A second mounting hole is also provided between the tail ends for cooperating with a second mounting post set at a set position in the housing, so that the limiting component can be rotatably fixed at the designated position of the housing
- the tow bar is connected to the electric component, and the action of the electric component causes the tow bar to be pulled, so that the limiting component rotates with the second mounting post as an axis.
- the edge of the limiting body adjacent to the accommodating component is provided with a contact surface that matches the shape of the top surface of the accommodating component, and the contact surface is used to enable the top surface to be able to When in contact with the limiting body, it smoothly reversely rotates and keeps the position of the limiting body unchanged, so that the limiting body maintains the triggering of the micro switch.
- first limit post is used to limit the reverse rotation angle of the accommodating member and to position one end of the second torsion spring
- the second torsion spring is sleeved on the second mounting post and is located below the limiting component; both ends of the installed second torsion spring are in contact with the housing and the first limiting post, respectively, Provide power for the limiting component to reset after being pulled and rotated by the electric component.
- the bottom of the head end of the limiting body is provided with a limiting notch, and the limiting notch is used to allow the head end to be able to rotate when the lock bolt pushes the accommodating member to rotate forward to the locked position.
- the rear edge of the protrusion on the top surface is more smoothly contacted.
- the electric component includes an electric dragging component and a pull rod connected to the electric dragging component and moving with it, the pull rod is also sleeved on the towing rod, when the pull rod follows the When the electric drag component moves, it drives the drag bar to rotate, thereby causing the limit component to rotate; the electric drag component includes a motor; a long through hole is provided in the middle of the pull rod, and the drag bar passes through The elongated through hole enables the pull rod to be sleeved on the tow rod.
- the electric drag component is connected to the pull rod through a decelerating steering module, and the decelerating steering module converts the rotation of the motor into a linear reciprocating motion perpendicular to the length of the drag rod, and drives the The lever moves.
- Implementing the electric lock for cabinets of the present invention has the following beneficial effects: Since the state micro switch is arranged on the rotation path of the limit component, the micro switch is not triggered by the accommodating component, but by the limit component. The position component is triggered. When the electric lock is not in the locked position, the above-mentioned limit component will not restore the state of the locked position, which makes the above-mentioned limit component always keep the triggering of the micro-motion state switch, that is, the door open signal Will not disappear.
- Fig. 1 is a schematic diagram of the structure of each component in a locked state in an embodiment of an electric lock for a cabinet of the present invention.
- Fig. 2 is a schematic diagram of the positions of various components in the unlocked state of the embodiment.
- Fig. 3 is a schematic diagram of the structure of the accommodating component in the embodiment.
- Fig. 4 is a schematic diagram of the structure of the limiting component in the embodiment.
- Fig. 5 is a schematic diagram of the structure of the electric drag component in the embodiment.
- an electric lock for the cabinet is constructed, which includes a housing 1, a accommodating part 2, and a limiting part 3.
- the electric component 4 and the state micro switch 5, each of the components and the state micro switch 5 are arranged in the housing 1; wherein, the accommodating component 2 and the limiting component 3 are rotatably fixed
- the set position in the housing 1 makes the lock bolt 8 installed on the cabinet door (it is worth mentioning that in the present invention, the lock bolt 8 is not a part of the electric lock, but is connected to the The electric lock cooperates with the cabinet components to realize the locking or opening of the cabinet door.
- the shape and installation position of the module make the state micro switch 5 fixed under the limit unit 3 (see Figure 1 and Figure 2), when the electric component 4 drives the limit unit 3 to rotate clockwise under the drive of the unlock signal, the lower edge of the limit component 3 triggers the state micro switch 5 to send an unlock state signal, indicating that the door has been Open.
- the aforementioned state micro switch 5 can also be an independent micro switch, which can be separately fixed at the aforementioned position, and the same effect can be achieved.
- the installation position in the housing 1 is the same as or similar to the installation position in FIG. 1.
- the installation position The micro switch 5 in this state is triggered by the lower edge of the limit component 3. That is, the state micro switch 5 is set on the rotation path or the unlocking rotation path of the limit component 3.
- the limit Bit part 3 is triggered, and the unlock state signal is sent out.
- the accommodating member 2 maintains contact with the limiting member 3 during the reverse rotation (during unlocking) and after pushing out the lock bolt (after unlocking and before locking again), so that The limit member 3 cannot return to the position when the electric lock is locked, so that the limit member 3 is kept in contact with the state microswitch 5, and the unlocking state signal is continuously output. That is to say, in this embodiment, the electric component 4 only causes the limiting component to leave the locked position.
- the electric component 4 is actually powered off, and the position of the above limiting component 3 will not be changed. Restrictions or actions.
- the power to keep the above-mentioned limit component 3 to trigger the state microswitch 5 actually comes from the positions of the above-mentioned accommodating component 2 and the limit component 3 and the structure of the two contacting components. This is different from the use of tower springs in the prior art to reset the limit member 3 and use the position change of the accommodating member 2 to trigger the state microswitch 5, which not only makes the triggering of the state microswitch 5 more stable.
- one end of the accommodating member 2 is provided with an accommodating groove 21 for accommodating the lock bolt 8.
- the groove 21 includes a groove opening on one end of the accommodating part 2 and extending to the middle of the accommodating part 2 for a set depth; the other end of the accommodating part 2 is provided with a top surface 22, and the top
- the surface 22 is used to contact the limiting member 3 after the reverse rotation of the accommodating member 2 (rotation in the clockwise direction in FIG. 1) and to push out the lock bolt 8 through the reverse rotation.
- the rotation state of the limiting component 3 that is, the limiting component 3 continues to be in the inclined state in FIG.
- the electric lock also includes a first torsion spring 6 sleeved on the first mounting post 12 and located under the accommodating part 2, The two ends of the first torsion spring 6 respectively contact the side wall of the housing 1 and the accommodating member 2 after installation, and provide the accommodating member 2 with reverse rotation power.
- the top surface 22 is located on the top surface protrusion 24, the top surface protrusion 24 has a front edge 25 and a back edge 26; the front edge 25 is provided with a first torsion spring Stepped structure 251 at one end of 6; the limiting member 3 is in contact with the rear edge 26 to limit the accommodating member 2 and prevent it from rotating in the opposite direction.
- the limiting component 3 includes a limiting body 31 and a drag rod 32 connected to the limiting body 31, and the limiting body 31 includes The head end 34 and the tail end, the head end 34 is in contact with the rear edge 26 of the top surface protrusion 24 when in the locked position, so as to limit the reverse rotation of the receiving member 2; the tail end Opposite to the head end 34, the tow bar 32 is connected to the tail end; a second mounting hole 33 is also provided between the head end 34 and the tail end for and set in the housing 1
- the second mounting 13 post in the set position in the middle is matched, so that the limiting component 3 is rotatably fixed at the designated position of the housing 1; the tow bar 32 is connected to the electric component 4, and the electric component
- the action of 4 causes the tow bar 32 to be pulled, so that the limiting component 3 rotates clockwise with the second mounting post 13 as an axis.
- the edge of the limiting body 31 adjacent to the accommodating member 2 is provided with a contact surface 35 matching the shape of the top surface 22 of the accommodating member 2, and the contact surface 35 is used to make the top
- the surface 22 can smoothly reversely rotate in contact with the limiting body 31 and keep the position of the limiting body 31 unchanged (that is, maintaining the inclination angle of the limiting body 31 under the restriction of the side wall of the housing 1 No change), so that the limit body 31 keeps triggering the micro switch.
- the limit body 31 triggers the state microswitch 5 through a trigger surface 36 connected to the contact surface 35, and the contact surface 35 and the trigger surface 36 form the limit body 31 is the edge adjacent to the accommodating part 2.
- the electric lock also includes a first limit post 14 and a second torsion spring 7.
- the first limit post 14 is used to limit the reverse rotation angle of the accommodating member 2 (when When the accommodating part 2 contacts the first limiting post 14, the lock bolt 8 is pushed out of the electric lock, and the door has been opened) and one end of the second torsion spring 7 is positioned; the second torsion spring 7 is sleeved on the second mounting post 13 and located below the limiting component 2; one end of the second torsion spring 7 after installation is in contact with or fixed to the first limiting post 14, and the other One end is fixed or in contact with the fixed structure 37 (see FIG.
- the second torsion spring 7 under the limit component 4 is provided, which makes the structure of the electric component 4 more concise and has a wider application range; at the same time, this structure is also the same as the trigger state of the limit component 3 in this embodiment.
- the setting of the switch 5 is matched to make the triggering of the micro switch 5 in the above state more reliable, and will not affect the action of the electric component 4 (for example, the electric component 4 will not be required to maintain the state of the limit component 3 for a long time, nor Due to the inability to energize the electric component for a long time, the limit component 3 will be subjected to reset pressure).
- the bottom of the head end 34 of the limiting body 31 is provided with a limiting notch 341, and the limiting notch 341 is used to push the accommodating member 2 to rotate in the forward direction on the lock bolt 8. In the locked position, the head end 34 can more smoothly contact the rear edge 26 of the top surface protrusion 24.
- the electric component 4 includes an electric drag component (not shown in the figure) and a pull rod 41 connected to the electric drag component and moves with it.
- the pull rod 41 is also sleeved on the drag bar 32.
- the drag bar 41 moves with the electric drag component, the drag bar 32 is driven to rotate (in this embodiment, as shown in FIG. 2, the drag bar The rod 32 rotates downwards), so that the limiting component 3 rotates; the electric drag component includes a motor; a long through hole 42 is provided in the middle of the pull rod 41, and the drag rod 32 passes through the long
- the through hole 42 is shaped so that the pull rod 41 is sleeved on the tow rod 32.
- the electric drag component is connected to the pull rod 41 through a decelerating steering module.
- the decelerating steering module converts the rotation of the motor into a linear reciprocating motion perpendicular to the length of the drag rod, and drives the pull rod 41 move.
- the pull rod 41 makes a linear reciprocating motion
- the elongated pass 42 causes the drag rod 32 to be dragged in a set position of the movement to rotate clockwise, and it will not touch the drag rod 32 when returning, so that it does not It will affect the state of the limit component 3.
- the pull rod 41 is driven to make a reciprocating motion by rotating the motor once. In this reciprocating motion, except for the pull rod 41 at the set position, the pull rod 41 exerts a downward force on the pull rod 32.
- FIG. 4 shows a module including the state micro switch 5, the state micro switch 5 and the motor cable 43 in the module are led out from the specified position of the module housing, which also lowers the The installation procedure of the module is convenient to save installation time. The installation of the electric component 4 and the status micro switch 5 can be completed only by fixing the module on the designated position of the housing 1, which is simple and fast, and is convenient for production line production.
- the above-mentioned state micro switch 5 may not be included in the above-mentioned module, but is installed as a separate component of the electric lock at a designated position on the housing, that is, Can.
- this method has no effect on the realization of the function, it requires separate installation steps and connection steps, and there are many production processes. Its advantage is that it is easy to repair and replace parts.
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Abstract
一种用于箱柜的电动锁，包括壳体（1）、容置部件（2）、限位部件（3）、电动部件（4）和状态微动开关（5），安装在箱柜门上的锁栓（8）在通过锁栓槽（11）进入容置部件（2）并推动容置部件（2）旋转到锁止位置时，限位部件（3）限制容置部件（2），实现箱门锁止；电动部件（4）在收到开锁信号后，动作并拖动与其连接的限位部件（3）旋转，使得容置部件（2）得以反向旋转实现开锁；状态微动开关（5）设置在限位部件（3）的旋转路径上，在限位部件（3）由电动部件（4）拖动旋转到开锁位置时，由限位部件（3）触发，发出开锁状态信号。
Description
本实用新型涉及门锁，更具体地说，涉及一种用于箱柜的电动锁。
在智能快递柜中，通常采用通过外力关闭箱门，使得设置在箱门上的锁栓进入锁中，推动其部件旋转到锁止位置的方式使得该箱门被锁住；在开锁时，现有的锁中通常采用电动模式解除锁止位置上的部件配合，使得锁栓被推出进而实现箱门打开。随着智能快递柜的发展，人们普遍需要取得每个锁的开锁或锁止状态，并将其传输到该智能快递柜的控制板甚至上传到服务器。现有技术中，在锁外壳内部设置的微动开关，使得容置锁栓的容置部件移动或转动时，对该微动开关进行触发，从而发出锁止或开锁信号。通常采用关门时当上述容置部件被锁栓推动进入锁止位置时脱离对该微动开关的触发，而在所述容置部件推出锁栓时触发该微动开关的方式实现。这种方式在使用时发现具有如下缺陷：由于在即将进入所述锁止位置时，开门信号已经消失，系统判断该箱门已经关闭，此时，如果外力消失，箱门不能进入锁止位置，仍处于打开状态，但系统已经判断该箱门关闭，于是出现系统读得的状态和实际状态不符合的情况。这种情况在有人恶意操作时尤为严重。同时，这种方式还使得所述微动开关受力较大（容置部件需要较大的力将锁栓推出），使得微动开关的使用寿命缩短。
本实用新型要解决的技术问题在于，针对现有技术的上述会导致系统读取状态和实际箱门状态不一致、微动开关的寿命较短的缺陷，提供一种不会出现系统读取状态和箱门实际状态不一致、微动开关的使用寿命较长的用于箱柜的电动锁。
本实用新型解决其技术问题所采用的技术方案是：构造一种用于箱柜的电动锁，包括壳体、容置部件、限位部件、电动部件和状态微动开关，所述各部件和状态微动开关均设置在所述壳体内；其中，所述容置部件和所述限位部件可旋转地固定在所述壳体内的设定位置，使得安装在箱柜门上的锁栓在通过设置在所述壳体上的锁栓槽进入所述容置部件的容置槽、并推动所述容置部件旋转到锁止位置时，所述限位部件限制所述容置部件以防止其反向旋转，从而使得所述锁栓被固定在所述容置槽中，实现箱门锁止；所述电动部件在收到开锁信号后，动作并拖动与其连接的所述限位部件旋转，使得所述限位部件由限制所述容置部件的位置离开，所述容置部件得以反向旋转，推动所述锁栓沿所述锁栓槽离开该电动锁，实现开锁；所述状态微动开关设置在所述限位部件的旋转路径上，在所述限位部件由所述电动部件拖动旋转到开锁位置时，由所述限位部件触发，发出开锁状态信号。
更进一步地，所述容置部件在所述反向旋转中和推出所述锁栓后，保持与所述限位部件的接触，使得所述限位部件不能返回该电动锁锁止时的位置，从而保持所述限位部件对所述状态微动开关的接触，持续输出开锁状态信号。
更进一步地，所述容置部件一端设置有用于容置所述锁栓的容置槽，所述容置槽包括开口在所述容置部件一端上、并向所述容置部件的中部延伸设定深度的凹槽；所述容置部件的另一端设置有顶面，所述顶面用于在该容置部件的所述方向旋转和推出所述锁栓后与所述限位部件接触并限定该限位部件的旋转状态；在所述容置槽和所述顶面之间的中部的设定位置，还设置有用于将所述容置部件旋转固定在所述壳体上述的第一安装孔，所述第一安装孔和设置在壳体上的第一安装柱配合，使得所述容置部件可旋转地固定在所述壳体内；还包括套接在所述第一安装柱上且位于所述容置部件之下的第一扭簧，所述第一扭簧的两端在安装后分别与所述壳体侧壁和所述容置部件接触，为所述容置部件提供反向旋转的动力。
更进一步地，所述顶面位于顶面突出部上，所述顶面突出部具有前边沿和后边沿；所述前边沿上设置有用于放置所述第一扭簧的一端的台阶状结构；所述限位部件与所述后边沿接触以限制所述容置部件，防止其反向转动。
更进一步地，所述限位部件包括限位本体和连接在所述限位本体上的拖杆，所述限位本体包括头端和尾端，所述头端在所述锁止位置时与所述顶面突出部的后边沿接触，以限制所述容置部件的反向旋转；所述尾端与所述头端相对，所述拖杆连接在所述尾端；所述头端和尾端之间还设置有第二安装孔，用于和设置在所述壳体中设定位置的第二安装柱配合，使得所述限位部件可旋转地固定在所述壳体的指定位置；所述拖杆与所述电动部件连接，所述电动部件动作导致所述拖杆被拉动，使得所述限位部件以所述第二安装柱为轴旋转。
更进一步地，所述限位本体与所述容置部件相邻的边沿设置有与所述容置部件的顶面形状相适配的接触面，所述接触面用于使得所述顶面能够在与所述限位本体接触的情况下顺利反向旋转并保持楼所述限位本体的位置不变，使得所述限位本体保持对所述微动开关的触发。
更进一步地，还包括第一限位柱和第二扭簧，所述第一限位柱用于限制所述容置部件的反向旋转角度和定位所述第二扭簧的一端；所述第二扭簧套接在所述第二安装柱上，且位于所述限位部件下方；安装后的第二扭簧的两端分别与所述壳体和所述第一限位柱接触，为所述限位部件被所述电动部件拉动旋转后复位提供动力。
更进一步地，所述限位本体的头端底部设置有限位缺口，所述限位缺口用于在所述锁栓推动所述容置部件正向旋转到所述锁定位置时所述头端能够更为顺利地接触所述顶面突出部的后边沿。
更进一步地，所述电动部件包括电拖动部件和连接在所述电拖动部件并随其一起运动的拉杆，所述拉杆还套接在所述拖杆上，当所述拉杆随所述电拖动部件运动时，带动所述拖杆旋转，进而使得所述限位部件旋转；所述电拖动部件包括电机；所述拉杆的中间设置有长形通孔，所述拖杆穿过所述长形通孔，使得所述拉杆套接在所述拖杆上。
更进一步地，所述电拖动部件通过减速转向模块与所述拉杆连接，所述减速转向模块将所述电机的转动减速转换为垂直于所述拖杆长度方向的直线往复运动，并带动所述拉杆移动。
实施本实用新型的用于箱柜的电动锁，具有以下有益效果：由于将状态微动开关设置在限位部件的旋转路径上，使得该微动开关不是由容置部件触发，而是由限位部件触发，在该电动锁没有处于锁止位置时，上述限位部件也不会恢复锁止位置的状态，这就使得上述限位部件一直保持对该微动状态开关的触发，即开门信号不会消失。仅仅在该电动锁进入锁止状态后，开门状态信号才会由于限位部件的离开而消失，这就使得系统读取的锁状态不会出现与箱门状态不一致的情况出现；同时，限位部件由于不需要将锁栓推出，其旋转的力量远远小于容置部件选装的力量，这就使得状态微动开关不会受到较大的力的作用。因此其不会出现系统读取状态和箱门实际状态不一致、微动开关的使用寿命较长。
图1是本实用新型用于箱柜的电动锁实施例中处于锁止状态时各部件的结构示意图。
图2是所述实施例中处于开锁状态时各部件的位置示意图。
图3是所述实施例中容置部件结构示意图。
图4是所述实施例中限位部件结构示意图。
图5是所述实施例中电拖动部件的结构示意图。
下面将结合附图对本实用新型实施例作进一步说明。
如图1和图2所示，在本实用新型的用于箱柜的电动锁实施例中，构造一种用于箱柜的电动锁，包括壳体1、容置部件2、限位部件3、电动部件4和状态微动开关5，所述各部件和状态微动开关5均设置在所述壳体1内；其中，所述容置部件2和所述限位部件3可旋转地固定在所述壳体1内的设定位置，使得安装在箱柜门上的锁栓8（值得一提的是，在本实用新型中，锁栓8并不是电动锁的部件，而是与该电动锁配合实现箱门锁止或打开的箱柜部件，在本实施例中仅仅为了完整地描述开锁和锁止动作而引入）在通过设置在所述壳体1上的锁栓槽11进入所述容置部件2的容置槽21、并推动所述容置部件2旋转到锁止位置时，所述限位部件3限制所述容置部件2以防止其反向旋转（反向是指其旋转方向和该容置部件2被推动旋转的方向相反），从而使得所述锁栓8被固定在所述容置槽21中，实现箱门锁止；请参见图1，在该锁止位置上，锁栓8实际上是被锁栓槽11和容置槽21固定在该位置上。值得一提的是，图1和图2中都仅仅示出了外壳的一部分，或者说仅仅示出了外壳1的底座，为了能够方便地看见该电动锁的内部结构，图1和图2中都省略了和底座具有相同外形的上盖。在本实施例中，开锁时，所述电动部件4在收到开锁信号后，动作并拖动与其连接的所述限位部件3旋转，使得所述限位部件3由限制所述容置部件2的位置离开，于是所述容置部件2得以反向旋转（在图1中，表现为顺时针旋转），推动所述锁栓8沿所述锁栓槽11离开该电动锁，实现开锁；在本实施例中，电动部件4和状态微动开关5设置在同一个模块内，该模块的形状和安装位置使得状态微动开关5被固定在限位单元3的下方（请参见图1和图2），当电动部件4在开锁信号的驱动下拖动上述限位单元3顺时针旋转时，限位部件3的下边沿触发上述状态微动开关5，发出开锁状态信号，表示箱门已经打开。当然，在本实施例中的其他情况下，上述状态微动开关5也可以是一个独立的微动开关，可以被单独固定在上述位置，也能够起到同样的效果。总之，在本实施例中，不管上述状态微动开关是不是和电动部件4设置在同一个模块中，其安装在外壳1中的位置都和图1中的设置位置相同或相似，该安装位置使得该状态微动开关5由限位部件3的下边沿触发。即所述状态微动开关5设置在所述限位部件3的旋转路径或开锁旋转路径上，在所述限位部件3由所述电动部件4拖动旋转到开锁位置时，由所述限位部件3触发，发出开锁状态信号。
为了进一步保证上述状态微动开关5在该电动锁在不到锁止位置时发出的开箱信号的稳定（即不会出现箱门未锁上时该开锁状态信号不会消失），在本实施例中，所述容置部件2在所述反向旋转中（开锁过程中）和推出所述锁栓后（开锁后尚未再次上锁前），保持与所述限位部件3的接触，使得所述限位部件3不能返回该电动锁锁止时的位置，从而保持所述限位部件3对所述状态微动开关5的接触，持续输出开锁状态信号。也就是说，在本实施例中，电动部件4仅仅使得限位部件离开锁止位置，至于后续过程中，电动部件4实际上是断电的，不会对上述限位部件3的位置做出限制或动作。使得上述限位部件3保持对状态微动开关5的触发的动力，实际上是来自于上述容置部件2和限位部件3的位置和二者接触部件的结构。这一点有别于现有技术中的使用塔簧使得限位部件3复位和使用容置部件2的位置变化来触发状态微动开关5，这样不仅使得对于状态微动开关5的触发更为稳定，使得上述开锁状态信号在箱门再次锁住时才会消失；同时，还使得电动部件4需要的电流较小，对于状态微动开关5的触发的力也更小，更为节省电能，并能够减小对状态微动开关5的冲击。
具体来说，在本实施例中，如图1、图2和图3所示，所述容置部件2的一端设置有用于容置所述锁栓8的容置槽21，所述容置槽21包括开口在所述容置部件2一端上、并向所述容置部件2的中部延伸设定深度的凹槽；所述容置部件2的另一端设置有顶面22，所述顶面22用于在该容置部件2的所述反向旋转（图1中沿顺时针方向旋转）和通过所述反向旋转推出所述锁栓8后与所述限位部件3接触并限定该限位部件3的旋转状态（即使得所述限位部件3继续处于图2中的倾斜状态）；在所述容置槽21和所述顶面22中间的设定位置还设置有用于将所述容置部件2旋转固定在所述壳体上述的第一安装孔23，所述第一安装孔23和设置在壳体上的第一安装柱12配合，使得所述容置部件2可旋转地固定在所述壳体1内；在本实施例中，该电动锁还包括套接在所述第一安装柱12上且位于所述容置部件2之下的第一扭簧6，所述第一扭簧6的两端在其安装后分别与所述壳体1的侧壁和所述容置部件2接触，为所述容置部件2提供反向旋转的动力。
请参见图3，所述顶面22位于顶面突出部24上，所述顶面突出部24具有前边沿25和后边沿26；所述前边沿25上设置有用于放置所述第一扭簧6的一端的台阶状结构251；所述限位部件3与所述后边沿26接触以限制所述容置部件2，防止其反向转动。
请参见图1、图2和图4，在本实施例中，所述限位部件3包括限位本体31和连接在所述限位本体31上的拖杆32，所述限位本体31包括头端34和尾端，所述头端34在所述锁止位置时与所述顶面突出部24的后边沿26接触，以限制所述容置部件2的反向旋转；所述尾端与所述头端34相对，所述拖杆32连接在所述尾端上；所述头端34和尾端之间还设置有第二安装孔33，用于和设置在所述壳体1中设定位置的第二安装13柱配合，使得所述限位部件3可旋转地固定在所述壳体1的指定位置；所述拖杆32与所述电动部件4连接，所述电动部件4的动作导致所述拖杆32被拉动，使得所述限位部件3以所述第二安装柱13为轴顺时针旋转。所述限位本体31与所述容置部件2相邻的边沿设置有与所述容置部件2的顶面22形状相适配的接触面35，所述接触面35用于使得所述顶面22能够在与所述限位本体31接触的情况下顺利反向旋转并保持所述限位本体31的位置不变（即在壳体1侧壁的限制下保持限位本体31的倾斜角度不变），使得所述限位本体31保持对所述微动开关的触发。在本实施例中，所述限位本体31是通过与所述接触面35连接的触发面36触发所述状态微动开关5的，所述接触面35和触发面36组成所述限位本体31与所述容置部件2相邻的边沿。
此外，在本实施例中，该电动锁还包括第一限位柱14和第二扭簧7，所述第一限位柱14用于限制所述容置部件2的反向旋转角度（当所述容置部件2和所述第一限位柱14接触时，锁栓8被推出该电动锁，箱门已经打开）和定位所述第二扭簧7的一端；所述第二扭簧7套接在所述第二安装柱13上，且位于所述限位部件2的下方；安装后的第二扭簧7的一端与第一限位柱14接触或固定在其上，其另一端固定或接触在安装在所述拖杆32上的固定结构37上（请参见图2），为所述限位部件3被所述电动部件4拉动旋转后复位提供动力。换句话说，上述限位部件3在电动部件4的作用下旋转后，电动部件4或电动部件4的附件并不会为该限位部件复位或返回锁止位置提供动力，该动力是通过设置在限位部件4下方的第二扭簧7提供的，这使得电动部件4的结构更加简洁，且适用范围较广；同时这种结构也和本实施例中由限位部件3触发状态微动开关5的设置配合，使得对于上述状态微动开关5的触发更加可靠，不会影响电动部件4的动作（例如，不会要求上述电动部件4长时间通电保持限位部件3的状态，也不会因为不能为电动部件长时间通电而使得限位部件3受到复位的压力）。
在本实施例中，所述限位本体31的头端34底部设置有限位缺口341，所述限位缺口341用于在所述锁栓8推动所述容置部件2正向旋转到所述锁定位置时所述头端34能够更为顺利地接触所述顶面突出部24的后边沿26。
如图4所述，在本实施例中，所述电动部件4包括电拖动部件（图中未示出）和连接在所述电拖动部件并随其一起运动的拉杆41，所述拉杆41还套接在所述拖杆32上，当所述拉杆41随所述电拖动部件运动时，带动所述拖杆32旋转（在本实施例中，如图2所示，所述拖杆32向下旋转），进而使得所述限位部件3旋转；所述电拖动部件包括电机；所述拉杆41的中间设置有长形通孔42，所述拖杆32穿过所述长形通孔42，使得所述拉杆41套接在所述拖杆32上。所述电拖动部件通过减速转向模块与所述拉杆41连接，所述减速转向模块将所述电机的转动减速转换为垂直于所述拖杆长度方向的直线往复运动，并带动所述拉杆41移动。当所述拉杆41做直线往复运动时，上述长形通过42使得在运动的一个设定位置上拖动所述拖杆32顺时针旋转，在返回时则不会接触上述拖杆32，从而不会对限位部件3的状态带来影响。换句话说，在本实施例中，通过电机旋转一周而带动所述拉杆41做一次往复运动，而该次往复运动中，除了在设定位置拉杆41会对拖杆32施加向下的作用力外，在该运动周期的其他时间，都不会对上述拖杆32施力，特别是在图1和图2中拉杆41向上升起的过程中，拉杆41由于长形通孔42的形状，并没有和拖杆32接触，从而不会影响限位部件3的状态。也使得电机负载较轻，耗电较少。在本实施例中，图4示出了一个包括了状态微动开关5的模块，该模块中的状态微动开关5和电机的线缆43由模块外壳的指定位置引出，这样也降低了该模块的安装手续，便于节省安装时间，只需要将该模块固定在外壳1的指定位置上就能够完成电动部件4和状态微动开关5的安装，简单快速，便于生产线生产。
如前所述，在本实施例的中的另外一些情况下，上述状态微动开关5也可以不包括在上述模块中，而是作为该电动锁的一个单独部件安装在外壳上的指定位置即可。这种方式虽然对实现功能没有影响，但是其需要单独的安装步骤和连线步骤，生产工序较多，其好处是便于维修、更换部件。
以上所述实施例仅表达了本实用新型的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。因此，本实用新型专利的保护范围应以所附权利要求为准。
Claims (10)
- 一种用于箱柜的电动锁，包括壳体、容置部件、限位部件、电动部件和状态微动开关，所述各部件和状态微动开关均设置在所述壳体内；其中，所述容置部件和所述限位部件可旋转地固定在所述壳体内的设定位置，使得安装在箱柜门上的锁栓在通过设置在所述壳体上的锁栓槽进入所述容置部件的容置槽、并推动所述容置部件旋转到锁止位置时，所述限位部件限制所述容置部件以防止其反向旋转，从而使得所述锁栓被固定在所述容置槽中，实现箱门锁止；所述电动部件在收到开锁信号后，动作并拖动与其连接的所述限位部件旋转，使得所述限位部件由限制所述容置部件的位置离开，所述容置部件得以反向旋转，推动所述锁栓沿所述锁栓槽离开该电动锁，实现开锁；其特征在于，所述状态微动开关设置在所述限位部件的旋转路径上，在所述限位部件由所述电动部件拖动旋转到开锁位置时，由所述限位部件触发，发出开锁状态信号。
- 根据权利要求1所述的用于箱柜的电动锁，其特征在于，所述容置部件在所述反向旋转中和推出所述锁栓后，保持与所述限位部件的接触，使得所述限位部件不能返回该电动锁锁止时的位置，从而保持所述限位部件对所述状态微动开关的接触，持续输出开锁状态信号。
- 根据权利要求1所述的用于箱柜的电动锁，其特征在于，所述容置部件一端设置有用于容置所述锁栓的容置槽，所述容置槽包括开口在所述容置部件一端上、并向所述容置部件的中部延伸设定深度的凹槽；所述容置部件的另一端设置有顶面，所述顶面用于在该容置部件的所述方向旋转和推出所述锁栓后与所述限位部件接触并限定该限位部件的旋转状态；在所述容置槽和所述顶面之间的中部的设定位置，还设置有用于将所述容置部件旋转固定在所述壳体上述的第一安装孔，所述第一安装孔和设置在壳体上的第一安装柱配合，使得所述容置部件可旋转地固定在所述壳体内；还包括套接在所述第一安装柱上且位于所述容置部件之下的第一扭簧，所述第一扭簧的两端在安装后分别与所述壳体的侧壁和所述容置部件接触，为所述容置部件提供反向旋转的动力。
- 根据权利要求3所述的用于箱柜的电动锁，其特征在于，所述顶面位于顶面突出部上，所述顶面突出部具有前边沿和后边沿；所述前边沿上设置有用于放置所述第一扭簧的一端的台阶状结构；所述限位部件与所述后边沿接触以限制所述容置部件，防止其反向转动。
- 根据权利要求4所述的用于箱柜的电动锁，其特征在于，所述限位部件包括限位本体和连接在所述限位本体上的拖杆，所述限位本体包括头端和尾端，所述头端在所述锁止位置时与所述顶面突出部的后边沿接触，以限制所述容置部件的反向旋转；所述尾端与所述头端相对，所述拖杆连接在所述尾端；所述头端和尾端之间还设置有第二安装孔，用于和设置在所述壳体中设定位置的第二安装柱配合，使得所述限位部件可旋转地固定在所述壳体的指定位置；所述拖杆与所述电动部件连接，所述电动部件动作导致所述拖杆被拉动，使得所述限位部件以所述第二安装柱为轴旋转。
- 根据权利要求4所述的用于箱柜的电动锁，其特征在于，所述限位本体与所述容置部件相邻的边沿设置有与所述容置部件的顶面形状相适配的接触面，所述接触面用于使得所述顶面能够在与所述限位本体接触的情况下顺利反向旋转并保持楼所述限位本体的位置不变，使得所述限位本体保持对所述微动开关的触发。
- 根据权利要求6所述的用于箱柜的电动锁，其特征在于，还包括第一限位柱和第二扭簧，所述第一限位柱用于限制所述容置部件的反向旋转角度和定位所述第二扭簧的一端；所述第二扭簧套接在所述第二安装柱上，且位于所述限位部件下方；安装后的第二扭簧的一端与所述第一限位柱接触或固定在所述第一限位柱上，为所述限位部件被所述电动部件拉动旋转后复位提供动力。
- 根据权利要求7所述的用于箱柜的电动锁，其特征在于，所述限位本体的头端底部设置有限位缺口，所述限位缺口用于在所述锁栓推动所述容置部件正向旋转到所述锁定位置时所述头端能够更为顺利地接触所述顶面突出部的后边沿。
- 根据权利要求5所述的用于箱柜的电动锁，其特征在于，所述电动部件包括电拖动部件和连接在所述电拖动部件并随其一起运动的拉杆，所述拉杆还套接在所述拖杆上，当所述拉杆随所述电拖动部件运动时，带动所述拖杆旋转，进而使得所述限位部件旋转；所述电拖动部件包括电机；所述拉杆的中间设置有长形通孔，所述拖杆穿过所述长形通孔，使得所述拉杆套接在所述拖杆上。
- 根据权利要求9所述的用于箱柜的电动锁，其特征在于，所述电拖动部件通过减速转向模块与所述拉杆连接，所述减速转向模块将所述电机的转动减速转换为垂直于所述拖杆长度方向的直线往复运动，并带动所述拉杆移动。
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| DE202009004749U1 (de) * | 2009-04-28 | 2009-07-23 | Carl Wittkopp Gmbh | Schloss mit mechanischer und elektromechanischer Zuhaltung |
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