CN217602357U - Unlocking automatic power-off module for titanium wire electric control lock and titanium wire electric control lock - Google Patents

Abstract

The utility model relates to the field of intelligent locks, in particular to an unlocking automatic power-off module for a titanium wire electric control lock and the titanium wire electric control lock, wherein the unlocking automatic power-off module comprises a transmission elastic sheet and a driven elastic sheet which are fixedly arranged in the inner cavity of the titanium wire electric control lock and can be electrically conducted; the transmission elastic sheet can be connected with the tail end of the lock catch in a pressing mode when the lock catch is in a closed state, and is simultaneously connected with the driven elastic sheet in an attaching mode to achieve electric conduction connection; the transmission elastic sheet can be separated from the tail end of the lock catch and the driven elastic sheet when the lock catch is in an open state, and electric disconnection is realized. Realize electrically conductive point contact conductive structure for among the prior art reed contact metal sleeve outer fringe, the utility model discloses a face contact conductive structure of two shell fragments, area of contact is bigger, and is higher to the deformation tolerance of shell fragment.

Description

Unlocking automatic power-off module for titanium wire electric control lock and titanium wire electric control lock

Technical Field

The utility model belongs to the technical field of the intelligence lock, concretely relates to automatic power-off module and titanium silk electric control lock unblank for titanium silk electric control lock.

Background

The titanium wire electric control lock is widely applied to centralized control cabinets such as express cabinets, vending machines and storage cabinets. The electric control lock comprises a lock catch, a lock hook, a titanium wire and a torsion spring which respectively drives the lock catch and the lock hook to rotate, and the titanium wire electric control lock is locked by mutually clamping the lock catch and the lock hook; by utilizing the characteristic of thermal shrinkage and cold expansion of the titanium wire, when the titanium wire is electrified, the titanium wire is heated and contracted, so that the lock hook is pulled to rotate, the lock catch and the lock hook are separated, and the lock catch rotates under the action of the torsion spring to enable the titanium wire electric control lock to enter an open state.

After the titanium wire electric control lock enters an unlocking state, in order to timely disconnect a circuit and avoid the titanium wire from being burnt out due to continuous heating, the existing titanium wire electric control lock usually adopts a touch switch to realize automatic power-off of unlocking, but the touch switch has relatively high cost.

In order to solve the problems, the applicant designs a new unlocking automatic power-off module, applies corresponding utility model patents (publication No. CN 216690675U-patent name 'titanium wire electric control lock' and publication No. CN 216690676U-patent name 'titanium wire electric control lock'), improves the tact switch into a reed and metal sleeve structure, has simple structure, is easy to open a stamping die for mass production, has low cost, avoids instability caused by purchasing inferior tact switches, and further improves the reliability of the electric control lock.

This automatic power-off module unblanks adopts two metal covering to add the structure of reed, is the single-point contact between reed and the annular metal covering lateral surface of circle, and area of contact is little and stress is comparatively concentrated when the contact for reed or metal covering warp after long-term the use easily, produces the back of warping when reed or metal covering, takes place reed and metal covering extremely easily and contacts the bad condition.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to above-mentioned prior art, the utility model provides an electric control lock solves because when adopting reed and metal covering in the current titanium silk electric control lock, because reed or metal covering produce the easy contact failure problem after warping.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the unlocking automatic power-off module for the titanium wire electric control lock comprises a transmission elastic sheet and a driven elastic sheet which are fixedly arranged in an inner cavity of the titanium wire electric control lock and can conduct electricity;

the transmission elastic sheet can be connected with the tail end of the lock catch in a pressing mode when the lock catch is in a closed state, and is simultaneously connected with the driven elastic sheet in an attaching mode to achieve electric conduction connection;

the transmission elastic sheet can be separated from the tail end of the lock catch and the driven elastic sheet when the lock catch is in an open state, and electric disconnection is realized.

The utility model discloses a principle and beneficial effect lie in:

1. realize electrically conductive point contact conductive structure for among the prior art reed contact ring form metal sleeve outer fringe, the utility model discloses a face contact conductive structure of two shell fragments, area of contact is bigger, and is higher to the deformation tolerance of shell fragment.

2. When the tail end of the lock catch abuts against and bends the first elastic sheet, the first elastic sheet can also abut against and bend the second elastic sheet, the first elastic sheet and the second elastic sheet are electrically contacted through simultaneous deformation of the first elastic sheet and the second elastic sheet, and the deformation tolerance of the first elastic sheet and the second elastic sheet is higher.

Drawings

Fig. 1 is a schematic view of an external structure according to a first embodiment of the present invention.

Fig. 2 is an internal structure view of fig. 1 with the upper housing removed and the electric control lock in a locked state.

Fig. 3 is a schematic structural diagram of fig. 2 with a first conductive line, a second conductive line, and a third conductive line added.

Fig. 4 is a schematic structural view of fig. 2 without the unlocking auto-power-off module.

Fig. 5 is a schematic structural diagram of the unlocking auto-power-off module in fig. 2.

Fig. 6 is a schematic structural view of an auto-power-off module of an unlocking device according to an embodiment of the present invention.

Fig. 7 is an internal structure view of the third embodiment of the present invention with the upper case removed.

Wherein the reference numerals include:

the locking device comprises an upper shell 101, a lower shell 102, a titanium wire 2, a lock catch 3, a lock catch mounting shaft 30, a lock catch draw hook 31, a lock catch 4, a lock catch mounting shaft 40, a lock catch draw hook 41, a second spiral tension spring 5, a second fixing column 50, a first spiral tension spring 6, a first fixing column 60, an unlocking automatic power-off module 7, a first conductive blade 701, a first elastic sheet 7011, a first contact 70110, an abutting head 70111, a first bent part 7012, a second conductive blade 702, a second elastic sheet 7021, a second contact 70210, a second bent part 7022, a base 703, a screw hole 703, a switch mounting seat 8, a mounting hole 80, a fixing hole 9, a nut 90, a lead post 12, a binding post 13, a first lead 15, a second lead 16, a third lead 17 and a winding post 18.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

In specific implementation, as shown in fig. 1-7:

an electric control lock comprises an upper shell 101 and a lower shell 102, wherein the upper shell 101 and the lower shell 102 are butted to form a shell of the electric control lock in a buckling mode, and an inner cavity is formed in the shell of the electric control lock.

The inner cavity of the electric control lock is provided with a titanium wire 2, a rotatable lock catch 3 and a rotatable lock hook 4.

The lock catch 3 and the lock hook 4 are arranged in the shell of the electric control lock in the following mode: a lock catch mounting shaft 30 and a lock hook mounting shaft 40 are fixed in the shell of the electric control lock, a lock catch 3 is rotatably sleeved on the lock catch mounting shaft 30, and a lock hook 4 is rotatably sleeved on the lock hook mounting shaft 40. The latch 3 is further connected with a latch resetting member for driving the latch 3 to rotate and reset, the latch resetting member is a torsion spring, the main body of the torsion spring is sleeved on the latch mounting shaft 30, and two arms of the torsion spring respectively support the lower housing 102 and the latch 3. The latch hook 4 is connected with a latch hook reset element for driving the latch hook to rotate and reset, the latch hook reset element is also a torsion spring, a main body of the torsion spring is sleeved on the latch hook mounting shaft 40, and two arms of the torsion spring respectively abut against the lower shell 102 and the latch hook 4.

The titanium wire 2 is arranged in the shell of the electric control lock in the following way: still be fixed with terminal 13 in the shell of electric control lock, the tail end of connecting latch hook 4 behind winding post 18 is walked around to the one end of titanium silk 2 fixed on terminal 13, the other end, and the mode that all adopts conducting strip and fastener is screwed up fixedly to the fixed at titanium silk 2 both ends.

Referring to fig. 2, an unlocking automatic power-off module 7 is further disposed in the electric control lock, and the unlocking automatic power-off module has a structure as shown in fig. 5, and includes a base 703 and a first conductive blade 701 and a second conductive blade 702 fixed on the base 703, where the base 703 is used to support and isolate the first conductive blade 701 and the second conductive blade 702 from each other. Referring to fig. 4, a switch mounting seat 8 is fixed on the inner side surface of the lower housing 102, the base 703 is matched with the switch mounting seat 8, a mounting hole 80 is further formed in the switch mounting seat 8, a screw hole 7030 matched with the mounting hole 80 is formed in the base 703, and the base 703 can be installed in a preset mounting position in the electric control lock through the screw hole 7030 and the mounting hole 80.

The first conductive blade 701 and the second conductive blade 702 are both flat sheets, the first conductive blade 701 includes an integrally formed first elastic sheet 7011 and a first bending portion 7012, the first elastic sheet 7011 and the first bending portion 7012 are respectively located on two sides of the base 703, the second conductive blade 702 includes an integrally formed second elastic sheet 7021 and a second bending portion 7022, and the second elastic sheet 7021 and the second bending portion 7022 are respectively located on two sides of the base 703. The first elastic piece 7011 is a driving elastic piece, and the second elastic piece 7021 is a driven elastic piece. The first elastic sheet 7011 and the second elastic sheet 7021 are arranged in parallel, and the movable ends of the first elastic sheet 7011 and the second elastic sheet 7021 are located on the same side of the base and form a matching portion which is in fit connection or separation, wherein the matching portion is a long strip-shaped sheet structure, projections of which in the interval direction can be overlapped. The first bending portion 7012 and the second bending portion 7022 are bent in a direction away from each other and distributed in a shape of "eight".

The first conductive blade 701 and the second conductive blade 702 are both made of conductive materials, for example, the materials of the first conductive blade 701 and the second conductive blade 702 may be copper, copper alloy, silver, aluminum alloy, or the like. The base 703 is made of an insulating material, for example, the base 703 may be made of engineering plastics such as ABS, PP, PC, or ABS + PC by an injection molding process, or may be made of materials such as rubber or silica gel by a process of integrally molding the base with the first conductive blade 701 and the second conductive blade 702.

The end of the first elastic sheet 7011 is further provided with a butt joint head 70111 and a first contact 70110, the first contact 70110 is located on the inner side surface of the first elastic sheet 7011, the butt joint head 70111 is convex and located on the outer side surface of the first elastic sheet 7011 away from the second elastic sheet 7021, specifically, the butt joint head 70111 is triangular, the butt joint head 70111 is made of high-strength plastic, the butt joint head 70111 is touched by external force to deform the first elastic sheet 7011, so that contact is more reliable, wear resistance is higher, and endurance and reliability are improved. The tail end of the second elastic sheet 7021 is further provided with a second contact 70210, the second contact 70210 is located on the inner side surface of the second elastic sheet 7021, and the first contact 70110 and the second contact 70210 are arranged oppositely.

The first elastic piece 7011 can be deformed to approach the second elastic piece 7021 by touching the abutting head 70111; moreover, when the first elastic piece 7011 is close to the second elastic piece 7021, the surface of the first contact 70110 abuts against the surface of the second contact 70210, so that the first conductive blade 701 and the second conductive blade 702 are conducted. Two ways of electrically connecting the first elastic piece 7011 to the second elastic piece 7021 by deformation are provided, one is that when the first elastic piece 7011 deforms toward the second elastic piece 7021, the second elastic piece 7021 is fixed, and the first contact 70110 on the first elastic piece 7011 is in contact with the second contact 70210 on the second elastic piece 7021 to realize electrical connection; the other is that when the first elastic sheet 7011 deforms toward the second elastic sheet 7021, the first elastic sheet 7011 also abuts against and bends the second elastic sheet 7021, and the first elastic sheet 7011 and the second elastic sheet 7021 deform simultaneously to realize electrical conduction of the first elastic sheet and the second elastic sheet.

More specifically, the first contact 70110 may be a convex hull structure stretched out on the surface of the first elastic sheet 7011 by a stamping process; similarly, the second contact 70210 may also be a convex hull structure stretched out on the surface of the second elastic sheet 7021 by a stamping process. The convex hull structures of the first contact 70110 and the second contact 70210 are specifically in a shape of a boss or a rectangular body, and when the first contact 70110 and the second contact 70210 are contacted, the contact is realized by the surface of the first contact 70110 facing the second elastic piece 7021 and the surface of the second contact 70210 facing the first elastic piece 7011.

When a force is applied to the first elastic piece 7011 in the direction of the second elastic piece 7021, the first contact 70110 at the end of the first elastic piece 7011 abuts the second contact 70210 at the end of the second elastic piece 7021; similarly, when the force applied to the first resilient plate 7011 is removed, the first resilient plate 7011 returns to its original shape, so that the first resilient plate 7011 is separated from the second resilient plate 7021.

As shown in fig. 3, a first lead 15, a second lead 16 and a third lead 17 are further disposed in the electric control lock, the titanium wire 2, the first lead 15, the second conductive blade 702 and the first conductive blade 701 form a series circuit, two ends of the series circuit are respectively connected to the second lead 16 and the third lead 17, and the specific communication mode is as follows: the two ends of the first wire 15 are respectively connected to the second bending part 7022 of the second conductive blade 702 and the movable end of the titanium wire 2, one end of the second wire 16 is connected to the fixed end of the titanium wire 2, one end of the third wire 17 is connected to the bending part 7012 of the first conductive blade 701, and the connection modes of the ends of the first wire 15, the second wire 16 and the third wire 17 are all screwed and fixed by adopting the modes of a conductive sheet and a fastener.

Still be provided with a plurality of wire post 12 in the shell of electric control lock, have the gap that supplies the wire to pass between the adjacent wire post 12, second wire 16 and third wire 17 realize the fixed of its position through wire post 12 in the shell of electric control lock, avoid the wire to produce the confusion in the shell of electric control lock.

As shown in fig. 1, a fixing hole 9 is further formed in the middle of the electric control lock, an axis of the fixing hole 9 extends in the thickness direction of the electric control lock, a nut 90 for fixing the electric control lock is arranged in the fixing hole 9, and an axis of the nut 90 is parallel to an axis of the fixing hole 9.

The specific implementation process of this embodiment is as follows:

when the electric control lock is in a locking state, the first elastic sheet 7011 is connected with the tail end of the lock catch 3 in a pressing mode and is simultaneously connected with the second elastic sheet 7021 in an attaching mode to achieve electric conduction, the second lead 16, the titanium wire 2, the first lead 15, the second conductive blade 702, the first conductive blade 701 and the third lead 17 form a passage, when the second lead 16 and the third lead 17 are connected into a power supply, current exists in the circuit, the titanium wire 2 has the characteristic of thermal shrinkage and cold expansion, when current exists in the circuit, the titanium wire 2 heats and contracts to cause the titanium wire 2 to pull the lock hook 4 to rotate, the lock hook 4 is separated from the lock catch 3, the lock catch 3 rotates under the torsion action of a torsion spring, and an unlocking state is formed. Meanwhile, as the lock catch 3 rotates, the abutting action of the tail end of the lock catch 3 on the first elastic sheet 7011 disappears, the movable end of the first elastic sheet 7011 recovers to deform, the first elastic sheet 7011 is separated from the second elastic sheet 7021, so that the circuit is powered off, and the titanium wire 2 is prevented from being burned out due to continuous heating.

Example two

The difference between this embodiment and the first embodiment is: the unlocking auto-power-off module in this embodiment is different from the unlocking auto-power-off module in the embodiment, specifically, as shown in fig. 6, the first conductive blade 701 and the second conductive blade 702 are respectively installed on the two bases 702, the movable ends of the first elastic piece 7011 and the second elastic piece 7021 are both located between the two bases 703, and the first bending portion 7012 of the first conductive blade 701 and the second bending portion 7022 of the second conductive blade 702 are away from each other.

EXAMPLE III

The difference between this embodiment and the first embodiment is: in the embodiment, the difference between the latch release element and the latch hook release element is that, specifically, as shown in fig. 7, a first fixing column 60, a second fixing column 50, a first spiral tension spring 6 and a second spiral tension spring 5 are further disposed in the electric control lock, the first spiral tension spring 6 is connected between the latch hook draw hook 41 on the latch hook 4 and the first fixing column 60, and the second spiral tension spring 5 is connected between the latch hook 31 on the latch 3 and the second fixing column 50.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention is also considered to fall into the scope of the claims.

Claims (10)

1. A automatic outage module of unblanking for titanium silk electric control lock, its characterized in that: the electric control lock comprises a transmission elastic sheet and a driven elastic sheet which are fixedly arranged in an inner cavity of a titanium wire electric control lock and can conduct electricity;

the transmission elastic sheet can be connected with the tail end of the lock catch in a pressing mode when the lock catch is in a closed state, and is simultaneously connected with the driven elastic sheet in an attaching mode to achieve electric conduction connection;

the transmission elastic sheet can be separated from the tail end of the lock catch and the driven elastic sheet when the lock catch is in an open state, and electric disconnection is achieved.

2. The automatic power-off module for unlocking the titanium wire electric control lock according to claim 1, wherein the automatic power-off module for unlocking further comprises a base fixed in an inner cavity of the electric control lock, the transmission elastic sheet and the driven elastic sheet are both fixed on the base, and movable ends of the transmission elastic sheet and the driven elastic sheet are located on the same side of the base and form a matching part which is attached to or detached from the base.

3. The automatic power-off module for unlocking the titanium wire electric control lock according to claim 1, wherein the automatic power-off module for unlocking further comprises two bases fixed in an inner cavity of the electric control lock, the transmission elastic sheet and the driven elastic sheet are respectively fixed on the two bases, and movable ends of the transmission elastic sheet and the driven elastic sheet are located between the two bases and form a matching part which is attached to or detached from the two bases.

4. The automatic power-off unlocking module for the titanium wire electric control lock as claimed in claim 2 or 3, wherein the matching part is a long strip-shaped sheet structure with projections in the interval direction capable of being overlapped.

5. The automatic power-off module for unlocking the titanium wire electric control lock according to claim 2 or 3, wherein the transmission elastic sheet and the driven elastic sheet are arranged in parallel.

6. The automatic power-off module for unlocking the titanium wire electric control lock is characterized in that a first contact is arranged at the tail end of the transmission elastic sheet and is positioned on the inner side surface of the transmission elastic sheet, a second contact is arranged at the tail end of the driven elastic sheet and is positioned on the inner side surface of the driven elastic sheet, and the first contact and the second contact are oppositely arranged.

7. The automatic power-off module for unlocking the titanium wire electric control lock as claimed in claim 6, wherein the first contact is a convex hull structure protruding out of the inner side surface of the transmission elastic sheet, and the second contact is a convex hull structure protruding out of the inner side surface of the driven elastic sheet.

8. The automatic power-off unlocking module for the titanium wire electric control lock according to claim 1, wherein the transmission elastic sheet is a first elastic sheet, and the transmission elastic sheet is a second elastic sheet;

the end part of the first elastic sheet is also fixedly provided with a first bending part, the first elastic sheet and the first bending part are respectively positioned at two sides of the base, and the first elastic sheet and the first bending part form a first conductive blade; a second bending part is fixed at the end part of the second elastic sheet, the second elastic sheet and the second bending part are respectively positioned at two sides of the base, and the second elastic sheet and the second bending part form a second conductive blade; the first bending part and the second bending part are bent towards the direction of deviation and are in a splayed shape.

9. The automatic power-off module for unlocking the titanium wire electric control lock according to claim 2 or 3, wherein an outer convex abutting head is arranged on the outer side face, away from the driven elastic piece, of the transmission elastic piece, and the abutting head is made of high-strength plastics.

10. The titanium wire electric control lock is characterized by comprising the unlocking automatic power-off module for the titanium wire electric control lock according to any one of claims 1 to 3.

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