阅读说明：本技术 反锁装置及智能锁 (Back locking device and intelligent lock ) 是由 田辉 周树温 任利学 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种反锁装置及智能锁,其中,反锁装置包括反锁开关组件、面板支架和齿条连接板,反锁开关组件包括反锁面板、反锁件及连接臂,连接臂的两端分别与反锁面板和反锁件可转动连接,反锁件包括限位柱,反锁面板上设有拨钮；面板支架上设有供拨钮滑动的滑槽,拨钮的滑动端外伸至面板支架外侧；齿条连接板上设有限位孔,当限位柱伸入限位孔,限位齿条连接板运动时,拨钮位于锁紧位；当限位柱位于限位孔外侧时,拨钮位于打开位。在本申请提供的反锁装置中,通过滑动拨钮,进而带动导向柱伸入限位孔限位,实现齿条连接板锁紧,进而避免齿条运动,进而避免门锁误打开,有效地提高了锁体的使用安全性。(The invention discloses a counter locking device and an intelligent lock, wherein the counter locking device comprises a counter locking switch component, a panel bracket and a rack connecting plate, the counter locking switch component comprises a counter locking panel, a counter locking piece and a connecting arm, two ends of the connecting arm are respectively and rotatably connected with the counter locking panel and the counter locking piece, the counter locking piece comprises a limiting column, and a toggle button is arranged on the counter locking panel; the panel bracket is provided with a sliding chute for the shifting button to slide, and the sliding end of the shifting button extends to the outer side of the panel bracket; the rack connecting plate is provided with a limiting hole, and when the limiting column extends into the limiting hole and the limiting rack connecting plate moves, the shifting button is positioned in the locking position; when the limiting column is positioned outside the limiting hole, the toggle button is positioned in the opening position. In the anti-locking device that this application provided, dial the button through sliding, and then it is spacing to drive the guide post and stretch into spacing hole, realizes rack bar connection board locking, and then avoids rack motion, and then avoids the lock mistake to open, has improved the safety in utilization of lock body effectively.)

1. An anti-lock apparatus, comprising:

the anti-locking switch assembly (3) comprises an anti-locking panel (30), an anti-locking piece (34) and a connecting arm (31), two ends of the connecting arm (31) are rotatably connected with the anti-locking panel (30) and the anti-locking piece (34) respectively, the anti-locking piece (34) comprises a limiting column (342), and a toggle button (301) is arranged on the anti-locking panel (30);

the panel support (1) is provided with a sliding groove (103) for the sliding of the toggle button (301), and the sliding end of the toggle button (301) extends to the outer side of the panel support (1);

the rack connecting plate (5) is provided with a limiting hole (502), and when the limiting column (342) extends into the limiting hole (502) to limit the movement of the rack connecting plate (5), the shifting knob (301) is located at a locking position; when the limiting column (342) is positioned outside the limiting hole (502), the toggle button (301) is positioned in an open position.

2. An anti-lock device according to claim 1, characterized in that the anti-lock member (34) further comprises a guide post (343) provided on one side of the stopper post (342), a guide runner for reciprocating the guide post (343) is provided on the panel bracket (1), and the side surface of the guide post (343) abuts against the inner surface of the guide runner.

3. An anti-lock device according to claim 2, characterized in that the guiding sliding groove is formed by two semi-cylindrical guiding grooves (104) which are oppositely arranged, two ends of the guiding column (343) are provided with first rotating shafts which extend out of the guiding sliding groove and are used for being hinged with the connecting arm (31), and the guiding column (343) and the limiting column (342) are cylindrical structures which are coaxially arranged.

4. An anti-lock device according to claim 2, characterized in that the direction of movement of the limit post (342) is approximately perpendicular to the direction of movement of the dial knob (301), and the direction of movement of the dial knob (301) is parallel to the direction of movement of the rack connecting plate (5).

5. An anti-lock device according to claim 1, characterized in that both ends of the connecting arm (31) are mounted on the anti-lock panel (30) and the retainer by means of snap springs.

6. An anti-lock device according to any one of claims 1-5, further comprising an elastic limiting member (7) mounted on the panel bracket (1), wherein a V-shaped elastic clamping piece (703) is provided on the elastic limiting member (7), a V-shaped limiting protrusion (302) matched with the elastic limiting member (7) is provided on the anti-lock panel (30), and when the toggle button (301) is located at the open position, a first outer side surface of the V-shaped elastic clamping piece (703) abuts against a first outer side surface of the V-shaped limiting protrusion (302); when the toggle button (301) is located at the locking position, the second outer side surface of the V-shaped elastic clamping sheet (703) is abutted against the second outer side surface of the V-shaped limiting protrusion (302).

7. An anti-lock device according to claim 1, characterized by further comprising a blocking plate (4), wherein the anti-lock panel (30) is positioned between the blocking plate (4) and the inner surface of the panel bracket (1), and the blocking plate (4) is fixedly connected to the panel bracket (1) so that the anti-lock panel (30) slides along a preset position.

8. An anti-lock device according to claim 1, characterized in that the panel bracket (1) is provided with an escape hole for movement of the connecting arm (31).

9. An anti-lock device according to claim 8, characterized in that said connecting arms (31) are two, said two connecting arms (31) being symmetrically arranged on opposite sides of said anti-lock panel (30).

10. An intelligent lock, comprising a rack and a square shaft gear driving the rack to rotate, characterized by further comprising an anti-locking device according to any one of claims 1 to 9, wherein the rack connecting plate (5) is fixedly connected with the rack.

Technical Field

The invention relates to the technical field of lock body back locking, in particular to a back locking device. The invention also relates to an intelligent lock comprising the counter-locking device.

Background

Along with the user constantly raises the demand of security performance, people are more and more high to the requirement of lock body, especially intelligent lock, and traditional lock body passes through the motor and drives square shaft gear revolve, and square shaft gear drives the rack motion, and then the rack drives the lock core locking or opens.

However, for families with children, if the children curiously and carelessly open the door lock due to the age of the children, the children may go out of the door alone or lawless persons may enter the house while the door is still in the machine, and the consequences are serious, so that the use safety of the lock body is reduced.

Therefore, how to improve the use safety of the lock body is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a back locking device to improve the use safety of a lock body. Another object of the present invention is to provide an intelligent lock including the above-mentioned counter-locking device.

To achieve the above object, the present invention provides an anti-lock apparatus, comprising:

the anti-locking switch assembly comprises an anti-locking panel, an anti-locking piece and a connecting arm, wherein two ends of the connecting arm are respectively and rotatably connected with the anti-locking panel and the anti-locking piece, the anti-locking piece comprises a limiting column, and a shifting button is arranged on the anti-locking panel;

the panel bracket is provided with a sliding groove for the shifting button to slide, and the sliding end of the shifting button extends to the outer side of the panel bracket;

the rack connecting plate is provided with a limiting hole, and when the limiting column extends into the limiting hole to limit the movement of the rack connecting plate, the shifting button is positioned in the locking position; when the limiting column is positioned on the outer side of the limiting hole, the toggle button is positioned in an open position.

Preferably, the anti-lock piece is still including setting up the guide post of spacing post one side, be equipped with the confession on the panel support guide post reciprocating motion's direction spout, the guide post side with direction spout internal surface butt.

Preferably, the direction spout is the semi-cylindrical guide way of two subtend settings, the both ends of guide post are equipped with and extend outward the direction spout outside, and be used for with linking arm articulated first axis of rotation, the guide post with spacing post is the cylindrical structure of coaxial setting.

Preferably, the movement direction of the limiting column is approximately perpendicular to the movement direction of the toggle button, and the movement direction of the toggle button is parallel to the movement direction of the rack connecting plate.

Preferably, both ends of the connecting arm are mounted on the back locking panel and the limiting member through snap springs.

Preferably, the lock further comprises an elastic limiting part installed on the panel bracket, a V-shaped elastic clamping piece is arranged on the elastic limiting part, a V-shaped limiting protrusion matched with the elastic limiting part is arranged on the back locking panel, and when the toggle button is located at the open position, a first outer side surface of the V-shaped elastic clamping piece is abutted to a first outer side surface of the V-shaped limiting protrusion; when the dial button is located the locking position, the second lateral surface of V type elasticity card with the protruding second lateral surface butt of V type spacing.

Preferably, the anti-lock panel is located between the baffle and the inner surface of the panel bracket, and the baffle is fixedly connected to the panel bracket, so that the anti-lock panel slides along a preset position.

Preferably, the panel bracket is provided with an avoiding hole for the connecting arm to move.

Preferably, the number of the connecting arms is two, and the two connecting arms are symmetrically distributed on two opposite sides of the back locking panel.

An intelligent lock comprises a rack, a square shaft gear and a counter locking device, wherein the square shaft gear drives the rack to rotate, the counter locking device comprises any one of the above devices, and a rack connecting plate is fixedly connected with the rack.

In the technical scheme, the counter locking device provided by the invention comprises a counter locking switch component, a panel bracket and a rack connecting plate, wherein the counter locking switch component comprises a counter locking panel, a counter locking piece and a connecting arm, two ends of the connecting arm are respectively and rotatably connected with the counter locking panel and the counter locking piece, the counter locking piece comprises a limiting column, and a shifting button is arranged on the counter locking panel; the panel bracket is provided with a sliding chute for the shifting button to slide, and the sliding end of the shifting button extends to the outer side of the panel bracket; the rack connecting plate is provided with a limiting hole, and when the limiting column extends into the limiting hole and the limiting rack connecting plate moves, the shifting button is positioned in the locking position; when the limiting column is positioned outside the limiting hole, the toggle button is positioned in the opening position.

According to the anti-locking device, the button is dialled through sliding in the anti-locking device provided by the application, and then the guide post is driven to stretch into the limiting hole to be limited, the locking of the rack connecting plate is realized, and then the movement of the rack is avoided, and then the mistaken opening of the door lock is avoided, and the use safety of the lock body is effectively improved.

Drawings

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

Fig. 1 is a schematic structural diagram of an anti-lock apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of an anti-lock apparatus provided in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a lockout switch assembly provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic diagram of a portion of an anti-lock switch assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a lockout member provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of an anti-lock apparatus in a locking position according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the anti-lock device in an open position according to the embodiment of the present invention.

Wherein in FIGS. 1-7: 1-panel support, 101-first positioning column, 102-second positioning column, 103-chute and 104-semi-cylindrical guide groove;

2-a threaded fastener;

3-locking switch component, 30-locking panel, 301-toggle button, 302-V type spacing projection, 303-second rotating shaft, 304-second card slot;

31-connecting arm, 311-first connecting hole, 312-second connecting hole;

32-a first snap spring, 321-a first opening;

33-a second snap spring, 331-a second opening;

34-a back locking piece, 342-a limiting column, 343-a guiding column, 344-a first clamping groove and 345-a first rotating shaft;

4-a baffle plate;

5-a rack connecting plate, 501-a first tooth and 502-a limiting hole;

6-square shaft gear, 601-second tooth;

7-elastic limiting piece, 701-first mounting hole, 702-second mounting hole and 703-V-shaped elastic clamping piece.

Detailed Description

The key point of the invention is to provide a back locking device to improve the use safety of the lock body. The other core of the invention is to provide an intelligent lock comprising the anti-locking device.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to 7.

In a specific embodiment, the counter-locking device provided in the embodiment of the present invention includes a counter-locking switch assembly 3, a panel bracket 1 and a rack connecting plate 5, the counter-locking switch assembly 3 includes a counter-locking panel 30, a counter-locking member 34 and a connecting arm 31, two ends of the connecting arm 31 are rotatably connected to the counter-locking panel 30 and the counter-locking member 34, the counter-locking member 34 includes a limiting column 342, and the counter-locking panel 30 is provided with a toggle button 301. Be equipped with on panel support 1 and supply to dial gliding spout 103 of button 301, the sliding end of dialling button 301 extends the panel support 1 outside outward, and the user drives the anti-panel 30 of locking and slides through dialling button 301, dials button 301 and slides in spout 103. Wherein the panel bracket 1 is a panel of the lock body located indoors. The back locking panel 30 can be matched with the panel bracket 1 through a guide rail and a sliding groove, so that the back locking panel 30 moves along a preset track.

A limiting hole 502 is formed in the rack connecting plate 5, and when the limiting column 342 extends into the limiting hole 502 and the limiting rack connecting plate 5 moves, the toggle button 301 is located at the locking position; when the stopper column 342 is located outside the stopper hole 502, the toggle 301 is located in the open position. The cylindrical surface limit column 342 of the back locking switch component 3 is matched with the hole limit hole 502 of the rack connecting plate 5 to play a role in back locking and unlocking.

The baffle 4 and the back locking panel 30 are positioned between the baffle 4 and the inner surface of the panel bracket 1, and the baffle 4 is fixedly connected on the panel bracket 1, so that the back locking panel 30 slides along the preset position. Specifically, the baffle 4 may be fixed to the panel bracket 1 by a screw fastener 2.

It can be known from the above description that in the anti-locking device that this application embodiment provided, through slip group button 301, and then drive guide post 343 and stretch into spacing hole 502 spacingly, realize the locking of rack connecting plate 5, and then avoid the rack motion, and then avoid the lock mistake to open, improved the safety in utilization of lock body effectively.

The back-locking member 34 further includes a guiding post 343 disposed on one side of the limiting post 342, a guiding sliding groove for reciprocating movement of the guiding post 343 is disposed on the panel bracket 1, and the side surface of the guiding post 343 abuts against the inner surface of the guiding sliding groove. Wherein the first coupling hole 311 and the second coupling hole 312 of the coupling arm 31 are rotated on the second rotating shaft 303 and the first rotating shaft 345 of the back lock panel 30, respectively. The guide posts 343 and the guide slide grooves of the panel bracket 1 cooperate with the guide posts 343 to slide in the guide slide grooves.

Preferably, the guide sliding groove is two semi-cylindrical guide grooves 104 arranged oppositely, two ends of the guide post 343 are provided with a first rotating shaft extending to the outside of the guide sliding groove and used for being hinged with the connecting arm 31, and the guide post 343 and the limit post 342 are coaxially arranged in a cylindrical structure.

Of course, the guide slot can also be provided on another panel that is fixed relative to the panel holder 1, as long as the guide column 343 is moved in the predetermined direction.

In order to facilitate arrangement of the components and reduce occupied volume, preferably, the movement direction of the limiting column 342 is approximately perpendicular to the movement direction of the toggle 301, and the movement direction of the toggle 301 is parallel to the movement direction of the rack connecting plate 5. Specifically, the movement direction of the limiting column 342 is perpendicular to the movement direction of the toggle button 301, and the back locking panel 30, the connecting arm 31 and the back locking member 34 form a three-bar linkage.

In order to improve the connection stability, it is preferable that both ends of the connection arm 31 are mounted on the back lock panel 30 and the stopper by means of a snap spring. Specifically, the first opening 321 of the first latch spring 32 is engaged with the second latch slot 304 of the back lock panel 30. The second opening 331 of the second latch spring 33 is engaged with the first latch groove 344 of the latch member 34 to prevent the connecting arm 31 from falling off.

On the basis of the above scheme, preferably, the counter lock device further includes an elastic limiting member 7 installed on the panel bracket 1, a V-shaped elastic clamping piece 703 is arranged on the elastic limiting member 7, a V-shaped limiting protrusion 302 matched with the elastic limiting member 7 is arranged on the counter lock panel 30, when the toggle button 301 is located at the open position, a first outer side surface of the V-shaped elastic clamping piece 703 abuts against a first outer side surface of the V-shaped limiting protrusion 302; when the knob 301 is located at the locking position, the second outer side surface of the V-shaped elastic clamping piece 703 abuts against the second outer side surface of the V-shaped limiting protrusion 302. Wherein the first outer side face and the second outer side face are two side faces which are arranged oppositely. The V-shaped elastic clamp 703 and the V-shaped limiting protrusion 302 may be both protrusion structures. The elastic limiting member 7 may be an elastic steel sheet structure. The V-shaped limiting protrusion 302 can deform under the extrusion, so that the V-shaped limiting protrusion 302 crosses different side surfaces of the V-shaped elastic clamping piece 703 and the V-shaped elastic clamping piece 703 to abut against each other, and the position limitation of a locking position and an opening position is realized.

As shown in fig. 2, the first mounting hole 701 and the second mounting hole 702 at two ends of the elastic limiting member 7 are respectively mounted on the first positioning column 101 and the second positioning column 102 of the panel bracket 1. Specifically, preferably, the elastic limiting member 7 is detachably connected to the panel bracket 1.

The specific working principle is as follows:

the back locking state: as shown in fig. 6, one side of the V-shaped limiting protrusion 302 of the back locking panel 30 contacts one side of the V-shaped elastic clamping piece 703 of the elastic limiting piece 7, the back locking piece 34 is in the ejection state, and the limiting column 342 of the back locking piece 34 is inserted into the limiting hole 502 of the rack connecting plate 5. In this state, the vertical translational motion of the rack is limited, so that the square shaft gear cannot rotate, and the state of locking is achieved.

Unlocking state: as shown in fig. 6, the unlocking state shown in fig. 7 can be achieved by dialing the dial button 301 of the back-locking panel 30 according to the arrow direction, at this time, the other side of the V-shaped limiting protrusion 302 of the back-locking panel 30 contacts with the other side of the V-shaped elastic clamping piece 703 of the elastic limiting piece 7, at this time, the back-locking piece 34 is in the contracted state, and the limiting column 342 of the back-locking piece 34 is disengaged from the limiting hole 502 of the rack connecting plate 5. In this state, the rack can move up and down, so that the square-axis toothed gear 6 can also rotate, and an unlocked state is achieved. The unlocking state of fig. 6 can be achieved by waving the knob 301 of the unlocking switch assembly 3 in the direction of the arrow in the unlocking state of fig. 7.

In one embodiment, the panel bracket 1 has an outer surface and the side of the sliding groove 103 is provided with an open position and a locking position. The specific locking position and the specific unlocking position can be respectively a child lock locking position and a child lock unlocking position, and through setting the locking position mark, a user can know whether the child lock is in the locking position or not according to the position of the toggle 301.

In order to reduce the overall thickness of the door lock, it is preferable that the panel bracket 1 is provided with a relief hole for the movement of the connecting arm 31.

In view of stability of the driving connection, it is preferable that the connecting arms 31 are two, and the two connecting arms 31 are symmetrically distributed on opposite sides of the back-locking panel 30.

The application provides a pair of intelligence lock, including the rack, drive rack pivoted square shaft gear and anti-locking device, wherein anti-locking device is any kind of above-mentioned anti-locking device. The first teeth 501 of the rack 5 are matched with the second teeth 601 of the square shaft gear 6, the rack translates, and the gear rotates. And a rack connecting plate 5 of the back locking device is fixedly connected with the rack. The above description relates to a specific structure of the back locking device, and the present application includes the above back locking device, and also has the above technical effects.

For the convenience of assembly, the rack connecting plate 5 and the rack are preferably in an integrally formed structure.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.