A lock electromechanical separation mechanism

Abstract

The present invention relates to the technical field of lock bodies, and provides an electromechanical separation mechanism for a lock, comprising a reduction motor, a gear set module, a worm, a turbine, a torsion spring and a transmission device, and is characterized in that: the reduction motor is connected to the turbine; compared with the fully automatic lock body in the prior art, the structure of the present invention has basically no additional components, but a protrusion is cleverly designed on the gear base, the gear set module rotates up and down along the rotating shaft, the mechanical transmission bar pushes the protrusion, the gear set module rotates along the second rotating shaft, the worm and the turbine are separated, and the lock is opened and closed while protecting the motor from any damage, the principle is simple, and the operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of lock bodies, in particular to an electromechanical separation mechanism for a lock. Background Art

[0002] At present, the common anti-theft doors are two kinds of fully automatic lock bodies with manual unlocking and without manual unlocking, and most of them are driven by motors. The existing fully automatic lock bodies with manual unlocking have a very complicated structure because they also have a lock core hole for mechanical unlocking. That is, the motor automatic unlocking device and the manual mechanical unlocking structure are both separately set. Not only is the structure complicated, but it also occupies too much space in the lock body, resulting in other components being set very compactly, difficult to process and high cost. In addition, the lock core unlocking basically cannot achieve electromechanical separation. When the mechanical transmission unlocks, the key needs to drive the motor to reverse. Since the motor is driven to the lock core position with multiple decelerations and the gears are tightly engaged, a large reaction force torque needs to be overcome when the mechanical unlocking is performed, resulting in a very unpleasant experience. In order to no longer increase the burden of key unlocking, most of the existing fully automatic lock bodies on the market cancel the auxiliary lock hook (i.e., the multi-lock point transmission rod), that is, a fully automatic lock body without manual unlocking. However, this type of lock body cannot realize manual quick unlocking inside the door in an emergency, which poses a safety hazard.

[0003] Most of the existing fully automatic locks have a relatively simple mechanical unlocking method. In an emergency, you need to wait for the motor to transmit for several seconds. If the motor transmission fails, you need to replace the key to unlock it. At the same time, the key needs to overcome the reaction torque of the reduction motor when unlocking the lock. In addition, a fire may cause local transmission components to deform and increase the transmission load of the mechanical unlocking, and even cause the key to break or the door to be unable to be opened, which greatly increases the safety hazard. Summary of the invention

[0004] The object of the present invention is to provide a lock electromechanical separation mechanism to solve the problems in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A lock electromechanical separation mechanism comprises a reduction motor, a gear set module, a worm, a turbine, a torsion spring and a transmission device, wherein the reduction motor is connected to the turbine;

[0007] The gear set module includes a turbine meshed with the worm, and also includes a gear assembly, the gear assembly includes a gear base, the gear base is provided with a first rotating shaft and a second rotating shaft perpendicular to the gear base, the first rotating shaft passes through the first spur gear, the second rotating shaft passes through the second spur gear, the turbine is located outside the first spur gear and is rotatably fixed on the first rotating shaft, the first spur gear is meshed with the second spur gear, and the bottom side edge of the gear base is also provided with a protrusion, the protrusion is close to the end of the transmission device and the direction of the worm;

[0008] The transmission device comprises a parallel transmission rack and a mechanical transmission bar, and the transmission rack is meshingly connected with the second spur gear.

[0009] As a further solution of the present invention: the other ends of the first rotating shaft and the second rotating shaft are fixed to the gear upper cover.

[0010] As a further solution of the present invention: the gear base is a bent structure, including a bottom plate and a side plate, the first rotating shaft and the second rotating shaft are fixed on the bottom plate, and one side of the torsion spring is fixed on the side plate.

[0011] As a further solution of the present invention: a rotating shaft sleeve is provided on the inner side of the second spur gear.

[0012] As a further solution of the present invention: the gear set module can rotate around the second rotating shaft.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Compared with the fully automatic lock body in the prior art, the structure of the present invention has basically no additional components, except that a protrusion is cleverly designed on the gear base. The gear set module rotates up and down along the rotating shaft, the mechanical transmission bar pushes the protrusion, the gear set module rotates along the second rotating shaft, the worm and the turbine are separated, and the lock is opened and closed while protecting the motor from any damage. The principle is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the electromechanical separation mechanism of the lock;

[0016] Figure 2 Another structural diagram of the lock's electromechanical separation mechanism

[0017] Figure 3 for Figure 1 Exploded diagram of the gear set module;

[0018] Figure 4 for Figure 3 Schematic diagram of the gear set module explosion from another angle.

[0019] In the figure: 1. reduction motor; 2. gear set module; 3. transmission rack; 4. mechanical transmission bar; 5. torsion spring; 11. worm; 21. turbine; 211. first spur gear; 22. second spur gear; 23. gear cover; 24. base; 241. protrusion; 242. first rotating shaft; 243. second rotating shaft; 244. bottom plate 244; 245. side plate; 246. rotating shaft sleeve. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present invention are provided in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] Attached Figure 1 , Attachment Figure 2 This is a schematic diagram of the overall structure of the lock's electromechanical separation mechanism. Figure 3 and attached Figure 4 Schematic diagram of the gear set module structure.

[0024] like Figure 1 , 2 As shown, an electromechanical separation mechanism for a lock is provided in one embodiment of the present invention, comprising a reduction motor 1, a gear set module 2, a worm 11, a torsion spring 5 and a transmission device, wherein the reduction motor is connected to a turbine.

[0025] like Figure 1 , 2 As shown in , 3 and 4, the gear set module 2 includes a turbine 21 meshing with the worm, and the gear set module 2 also includes a gear assembly, which includes a gear base 24, on which a first rotating shaft 242 and a second rotating shaft 243 perpendicular to the gear base are provided, the first rotating shaft 242 passes through the first spur gear 211, and the second rotating shaft 243 passes through the second spur gear 22, the turbine 21 is located outside the first spur gear 211 and is rotatably fixed on the first rotating shaft 242, the first spur gear 211 is meshingly connected with the second spur gear 22, and a protrusion 241 is further provided on the bottom side edge of the gear base 24, which is located on the bottom side edge of the gear base 24 and close to the end of the transmission device and the direction of the worm 11;

[0026] In the embodiment of the present invention, the transmission device comprises a parallel transmission rack 3 and a mechanical transmission bar 4 , and the transmission rack 3 is meshingly connected with the second spur gear 22 .

[0027] In the embodiment of the present invention, relative to the gear base 24 , the other ends of the first rotating shaft 242 and the second rotating shaft 243 are fixed to the gear upper cover 23 .

[0028] In the embodiment of the present invention, the gear base 24 is a bent structure, including a bottom plate 244 and a side plate 245 , the first rotating shaft 242 and the second rotating shaft 243 are fixed on the bottom plate 244 , and one side of the torsion spring 5 is fixed on the side plate 245 .

[0029] In the embodiment of the present invention, a rotating shaft sleeve 246 is disposed inside the second spur gear 22 .

[0030] In the embodiment of the present invention, the gear set module 2 can rotate around the second rotating shaft 243 as the axis.

[0031] The working principle of the present invention is: in normal electric state: under the action of torsion spring 5, the turbine of the gear set module meshes with the worm gear. The reduction motor 1 rotates, and is transmitted to the turbine 21, the first spur gear 211, and the second spur gear 22 through the worm gear 11, and then rotates to the transmission rack 3 and converted into linear motion. The transmission rack 3 acts as an output device to drive the opening / closing lock mechanism to realize unlocking and closing.

[0032] Manual unlocking: The front end of the mechanical transmission bar 4 rotates the gear module by turning the protrusion 241, so as to separate the turbine 21 from the worm shaft 11, which not only protects the reduction motor connected to the worm shaft, but also achieves the purpose of unlocking and locking.

[0033] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A lock electromechanical separation mechanism, characterized in that: A lock electromechanical separation mechanism comprises a reduction motor (1), a gear set module (2), a worm (11), a torsion spring (5) and a transmission device, wherein the reduction motor is connected to a turbine (11); the gear set module (2) comprises a turbine (21) meshingly connected to the worm; the gear set module (2) further comprises a gear assembly, the gear assembly comprises a gear base (24); a first rotating shaft (242) and a second rotating shaft (243) perpendicular to the gear base are provided on the gear base (24); the first rotating shaft (242) passes through a first spur gear (211); the second rotating shaft (243) passes through a second spur gear (22); the turbine (21) is located outside the first spur gear (211) and is rotatably fixed on the first rotating shaft (242); the first spur gear (211) is 11) is meshed and connected with the second spur gear (22), and the bottom side edge of the gear base (24) is also provided with a protrusion (241), which is located at the bottom side edge of the gear base (24) and close to the end of the transmission device and the direction of the worm (11); the transmission device includes parallel transmission racks (3) and mechanical transmission bars (4), the transmission racks (3) are meshed and connected with the second spur gear (22), and the gear group module (2) can rotate around the second rotating shaft (243) as the axis; the gear base (24) is a bent structure, including a bottom plate (244) and a side plate (245), the first rotating shaft (242) and the second rotating shaft (243) are fixed on the bottom plate (244), and one side of the torsion spring (5) is fixed on the side plate (245).

2. The electromechanical disengagement mechanism for a lock according to claim 1, characterized in that: Relative to the gear base (24), the other ends of the first rotating shaft (242) and the second rotating shaft (243) are fixed to the gear upper cover (23).

3. The electromechanical disengagement mechanism for a lock according to claim 1, characterized in that: A rotating shaft sleeve (246) is provided inside the second spur gear (22).

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