CN202117441U

CN202117441U - Container lock

Info

Publication number: CN202117441U
Application number: CN2011201618056U
Authority: CN
Inventors: 廖礼士
Original assignee: Yida Tech Electronics Co Ltd Kunshan
Current assignee: Yida Tech Electronics Co Ltd Kunshan
Priority date: 2011-05-20
Filing date: 2011-05-20
Publication date: 2012-01-18
Anticipated expiration: 2021-05-20

Abstract

The utility model discloses a container lock. An outer casing can be slidingly sleeved outside a rack sheet, a gear, a V-shaped rod and an unlocking cam are sequentially located on the inner wall on one side of the outer casing, a knob is located on the outer wall on the other side of the outer casing, the gear is meshed with the rack sheet, the V-shaped rod is elastically butted against a gear groove of the gear, and the unlocking cam can be located on and butted against the V-shaped rod. A rotating shaft of the unlocking cam extends into the other side of the outer casing, and one end of the knob extends into the other side of the outer casing and can be fixedly clamped with the rotating shaft of the unlocking cam. An upper lock sheet is appropriately retained between the rotating shaft of the unlocking cam and the knob, and an unlock sheet can lead the upper lock sheet to separate from the position between the rotating shaft of the unlocking cam and the knob. A first lock sheet and a second lock sheet are respectively and fixedly located on the outer walls on the same sides of the outer casing and the rack sheet, and one ends of the first lock sheet and the second lock sheet away from the outer casing are bent oppositely. The container lock is stable and safe in locking state, convenient to use, capable of managing the state of the lock in real time, avoiding cargo loss and enabling cargo owners and customs to trace the cargo conveniently and precisely.

Description

Counter lock

Technical field

The utility model relates to a kind of lock, particularly a kind of counter lock.

Background technology

Big coastal city outlet at present is prosperous and powerful, and container all is positioned over each big harbour, and locking device is convenient to the customs officer and imports and exports check and control; To partly the marine site pirate is savage in the outlet voyage, locking device can be avoided the stealing by the pirate, reduces loss of goods in addition; Existing locking device is generally common mutual-inserting type disposable lock, and it is simple in structure, is easy to open through failure mode; The phenomenon that goods is lost in transportation appears easily; To present cargo movement globalization characteristic, utilization GPS also appears, and relevant supplementary instruments such as GPRS navigation system make things convenient for the monitoring of client to freight logistics on counter; But present monitoring effect is not obvious, and is high in safety and less stable while cost.

The utility model content

In order to overcome above-mentioned defective, the utility model provides a kind of counter lock, and this counter lock is easy to use, safe, and is reusable, and use cost is low, be convenient to goods is monitored.

The utility model for the technical scheme that solves its technical problem and adopt is: a kind of counter lock, comprise tooth bar sheet, shell, first and second locking plate, knob, the cam of unblanking, V-type bar, gear, upper collet and unlock chip, and be benchmark to use direction; Shell can be located at the tooth bar sheet outside by slip cap along tooth bar leaf length direction; Gear, V-type bar and the cam of unblanking successively can rotational positioning on the inside wall of shell one side, rotation axis to can slide and circumferencial direction can rotational positioning on the lateral wall of shell opposite side, the tooth bar engagement on the said wheel and rack sheet; V-type bar elasticity only peaks in the teeth groove of gear; A V-type bar sidewall of gear dorsad can be located and only peaked to the cam of unblanking, and the turning cylinder of the cam of unblanking passes the tooth bar sheet from a side in the enclosure and extend into the shell opposite side, and knob one end extend into the inside of shell opposite side and can be connected with the fixing engaging of the turning cylinder of the cam of unblanking; The proper backstop of upper collet is being unblanked between another end wall of cam rotation axle and knob one end wall; Unlock chip can slide and be positioned on the shell opposite side inwall, and unlock chip can drive upper collet and break away from the position between another end wall of cam rotation axle and knob one end wall of unblanking, and first and second locking plate is fixed positioned in respectively on the lateral wall of shell and tooth bar sheet homonymy; First locking plate end of shell dorsad has the warp architecture towards the second locking plate direction; Second locking plate end of tooth bar sheet dorsad has the warp architecture towards the first locking plate direction, and original state is a locking state: upper collet just stops the two in the position of unblanking between another end wall of cam rotation axle and knob one end wall to be separated, and knob can't be unblanked; And the cam of unblanking stable press closer the V-type bar; The V-type bar again with the teeth groove holding of gear, gear can't rotate, tooth bar sheet and shell are with regard to relative fixed like this; Relative motion can't take place; Just distance can't change between first and second locking plate, also just can't counter lock be taken off from counter, and counter is sealed stable.

Further improvement as the utility model; The interior structure of teeth groove that said V-type bar elasticity only peaks at gear is: hinged one first torsion spring that is provided with on the inwall of shell one side; This first torsion spring, one end and shell one side inwall are connected; The other end presses closer in a V-type bar side of gear dorsad, ending under the effect of top of the first torsion spring elastic force, make the V-type bar under the situation that does not receive external force all the time elasticity press closer in the teeth groove of gear; Also can axially only top effect except that this kind structure through stage clip here; Can realize that equally V-type bar elasticity presses closer the function of gear tooth slot; These all be those skilled in the art according to the structure that this patent can be easy to expect, belong to this patent protection domain.

Further improvement as the utility model; The said cam of unblanking can locate and only peak at the V-type bar dorsad the structure of a sidewall of gear be: be provided with the 3rd elastic component that is sheathed on the cam rotation axle of unblanking; The 3rd elastic component two ends press closer in outer casing inner wall respectively and unblank camshaft to an end wall; The camshaft of unblanking is positioned the shell inboard to sliding; The shell inside wall is provided with two sections vertical L type draw-in grooves, and the cam of unblanking be able to enough be placed in any intersegmental part of this L type draw-in groove, and the cam that can either guarantee like this to unblank remains under the situation that does not receive external force and presses closer the V-type bar sidewall of gear one side dorsad; The cam that can also guarantee simultaneously to unblank receives outer back and breaks away from the L type draw-in groove on the outer casing inner wall and under the drive of knob, turn in another section of L type draw-in groove, like this assurance the in stable condition of cam of unblanking; Also can be that mode through the magnetic force adhesive cam of realizing unblanking presses closer the function of V-type bar away from gear one side except that this kind structure here, these all be those skilled in the art according to the structure that this patent can be easy to expect, belong to this patent protection domain.

Further improvement as the utility model; The structure that said knob one end can be connected with the fixing engaging of the turning cylinder of the cam of unblanking is: knob one end is provided with radial section and is non-circular inner groovy; The cam rotation of the unblanking axle other end is provided with and knob one end inner groovy shape and bulge-structure of the same size, and the cam other end of unblanking be able to enough insert in the groove of the knob other end, also is provided with first elastic component; This first elastic component is sheathed on the knob other end outside; Be formed with a loop stop surface between the knob two ends on the periphery wall, this first elastic component, one end presses closer on the ring-type stop surface of knob, and the first elastic component other end presses closer the lateral wall of shell opposite side; Like this; Shell is not receiving external force to do the time spent, and its elasticity that axially receives first elastic component presses closer effect maintenance and the state that the cam of unblanking separates, and does the inboard feeding of axial shell of time spent when its axial compression that receives the external world and finally is fastened togather with the cam of unblanking; It just can be with and unblank cam rotation; First elastic component here can be stage clip, except that this kind through the structure that interface radially is non-circular convexity with groove structure engages, can also be spline structure, magnetic force adhesive structure etc.

As the further improvement of the utility model, the unlock chip structure that is positioned on the shell opposite side inwall of can sliding is: be provided with second elastic component, second torsion spring, motor, battery, contiguous block, inductor, induction key and controller, this second elastic component, one end and shell opposite side inwall are connected; The second elastic component other end and unlock chip are connected, and unlock chip is provided with at least one first bar hole along its length direction, is provided with at least one connector; This connector one end passes on the unlock chip the first bar shaped Kongzui and is connected with outer casing inner wall eventually; The end wall backstop of this connector other end is on the sidewall of unlock chip, and motor is fixed positioned on the shell inside wall, and second torsion spring set is located on the power output shaft of motor; Second torsion spring, one end and motor power output shaft one end are connected; The second torsion spring other end and contiguous block one end are connected, and contiguous block can slide along the first bar shaped hole length direction on the unlock chip and be positioned on the shell inside wall, and the contiguous block other end and unlock chip are connected; Inductor is positioned on the lock body shell; Inductor can be responded to and discern the induction key and be messaging in controller, and controller control battery is supplied power to motor, when unlock chip does not receive external force; It remains original state under the effect of second elastic component motionless; When inductor was responded to and recognize the induction key, controller was just controlled motor operations, and motor drives second torsion spring rotation contraction and then passes through contiguous block and drives unlock chip along its first bar shaped hole length direction slip at this moment; Except that this kind structure, can also be that shell opposite side inwall is provided with chute, unlock chip is positioned to slide along this chute in this chute; Battery can be a rechargeable battery; The USB interface of charging is fixedly connected with outer casing inner wall through elastic component towards the shell inside part, and USB interface is connected towards shell Outboard Sections and a USB lid, and the USB lid covers and is positioned at the opening that supplies the USB interface turnover on the shell; The USB charging inlet is exactly automatic reset mode like this; After the truck man charging, pull up USB, USB recovers automatically with the USB lid and covers the opening that supplies the USB interface turnover on the shell, prevents that rainwater and dust from getting into.

Further improvement as the utility model; Also be provided with mechanical key and key cam; The key cam is articulated on the shell opposite side inwall, and the key camshaft other end reaches the shell opposite side outside, and the key camshaft other end is provided with keyhole; If mechanical key be able to enough insert in this keyhole and drive cam rotation; Key cam circumference lateral wall presses closer the end in unlock chip along its bar hole length direction, when motor does not have electric weight to supply with, can cooperate through mechanical key and key cam to drive the unlock chip slip.

Further improvement as the utility model; Said unlock chip can drive upper collet and break away from and to unblank that the structure of position is between another end wall of cam rotation axle and knob one end wall: upper collet one end is articulated on the inside wall of shell opposite side; The upper collet other end is just on knob one end and the plane between the cam rotation axle other end of unblanking; Be installed with a convexity on the unlock chip sidewall; The sidewall of upper collet one end is provided with one section second bar hole, and this second bar hole has perpendicular to the length of unlock chip glide direction and extends trend, and the convexity on the unlock chip just is arranged in second bar hole of upper collet and can slides along this bar hole; The upper collet original state is for just at knob one end with unblank between the cam rotation axle other end they the two partitions; When unlock chip slides, just drive upper collet and rotate, and then make its other end skid off knob one end and the position between the cam rotation axle other end of unblanking around the drive-connecting shaft of himself; Make knob one end and the cam rotation axle other end of unblanking to snap together, also just can't drive the cam rotation of unblanking through knob; Certainly can also be that unlock chip and upper collet are connected, the slip through unlock chip drives upper collet and slips into and skid off knob one end and the position between the cam rotation axle other end of unblanking.

Further improvement as the utility model; Also be provided with first and second microswitch and display lamp, first and second microswitch can be responded to respectively and unblanks cam and upper collet position and be messaging in controller, control display lamp light on and off in the time of the action of controller control motor; Display lamp shows whether counter lock is unlocking condition; Make things convenient for the driver to grasp the state of counter lock constantly, GPS, GPRS navigation system can also be set on lock body, the client can more accurate, more conveniently know goods whereabouts route.

Further improvement as the utility model; First and second locking plate outside also is provided with the overcoat that elastomeric material is processed; Because there is certain difference in the gap between container car door handle and the car door wall; The rubber-like overcoat can guarantee first and second locking plate all the time and the compactness between the counters handle, and overcoat can be the rubber material.

As the further improvement of the utility model, the position that the shell lateral wall is positioned at around the knob is provided with guiding gutter, and when running into the rainy day, it has stronger drain function, prevents that rainwater from getting into lock body inside and causing lock body to get rusty, damage; Also be installed with handle on the tooth bar sheet, convenient operation to lock body.

The beneficial effect of the utility model is: the utility model is realized sealed and unlocking condition through the engagement of wheel and rack; Its locked state is stable, safety; Easy to use; The driver can grasp the state of lock in real time, prevents that goods from losing in transportation, and the owner of cargo and customs also can make things convenient for, accurately goods followed the trail of.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the vertical view of the utility model;

Fig. 3 is the first decomposing state sketch map of the utility model;

Fig. 4 is the second decomposing state sketch map of the utility model;

Fig. 5 is the 3rd decomposing state sketch map of the utility model;

Fig. 6 is the utility model locked state structural principle sketch map;

Fig. 7 is upper collet and a unlock chip structural principle sketch map in the utility model locked state;

Fig. 8 is the utility model unlocking condition structural principle sketch map;

Fig. 9 is upper collet and a unlock chip structural principle sketch map in the utility model unlocking condition;

Figure 10 is the machinery structural principle sketch map of unblanking;

Figure 11 is the user mode sketch map of the utility model.

The specific embodiment

Embodiment: a kind of counter lock, comprise tooth bar sheet 1, shell 2, first and second locking plate 3,4, knob 5, the cam 6 of unblanking, V-type bar 7, gear 8, upper collet 9 and unlock chip 10, be benchmark to use direction; Shell 2 can be located at tooth bar sheet 1 outside by slip cap along tooth bar sheet 1 length direction; Gear 8, V-type bar 7 and the cam 6 of unblanking successively can rotational positioning on the inside wall of shell 2 one sides, knob 5 axially can slide and circumferencial direction can rotational positioning on the lateral wall of shell 2 opposite sides, the tooth bar engagement on said gear 8 and the tooth bar sheet 1; V-type bar 7 elasticity only peak in the teeth groove of gear 8; The cam 6 of unblanking can be located and only peaked at V-type bar 7 sidewall of gear 8 dorsad, and the turning cylinder of the cam 6 of unblanking passes tooth bar sheet 1 from a side and extend into shell 2 opposite sides in shell 2, and knob 5 one ends extend into the inside of shell 2 opposite sides and can be connected with the fixing engaging of the turning cylinder of the cam 6 of unblanking; Upper collet 9 proper backstops are being unblanked between another end wall of cam 6 turning cylinders and knob 5 one end walls; Unlock chip 10 can slide and be positioned on the shell 2 opposite side inwalls, and unlock chip 10 can drive upper collet 9 and break away from the position between another end wall of cam 6 turning cylinders and knob 5 one end walls of unblanking, and first and second locking plate 3,4 is fixed positioned in respectively on the lateral wall of shell 2 and tooth bar sheet 1 homonymy; First locking plate 3 end of shell 2 dorsad has the warp architecture towards second locking plate, 4 directions; Second locking plate 4 end of tooth bar sheet 1 dorsad has the warp architecture towards first locking plate, 3 directions, and original state is a locking state: upper collet 9 just stops the two in the position of unblanking between another end wall of cam 6 turning cylinders and knob 5 one end walls to be separated, and knob 5 can't be unblanked; And the cam 6 of unblanking stable press closer V-type bar 7; V-type bar 7 again with the teeth groove holding of gear 8, gear 8 can't rotate, tooth bar sheet 1 and shell 2 are with regard to relative fixed like this; Relative motion can't take place; Just 3,4 distances of first and second locking plate can't change, and also just can't counter lock be taken off from counter, and counter is sealed stable.

The interior structure of teeth groove that said V-type bar 7 elasticity only peak at gear 8 is: hinged one first torsion spring 11 that is provided with on the inwall of shell 2 one sides; These first torsion spring, 11 1 ends and shell 2 one side inwalls are connected; The other end presses closer in V-type bar 7 side of gear 8 dorsad; First torsion spring, 11 elastic force end the top effect, make V-type bar 7 under the situation that does not receive external force all the time elasticity press closer in the teeth groove of gear 8; Also can axially only top effect except that this kind structure through stage clip here; Can realize that equally V-type bar 7 elasticity press closer the function of gear 8 teeth groove; These all be those skilled in the art according to the structure that this patent can be easy to expect, belong to this patent protection domain.

The said cam 6 of unblanking can locate and only peak at V-type bar 7 dorsad the structure of a sidewall of gear 8 be: be provided with the 3rd elastic component 12 that is sheathed on cam 6 turning cylinders of unblanking; The 3rd elastic component 12 two ends press closer respectively in shell 2 inwalls and the cam 6 axial end walls of unblanking; The cam 6 of unblanking axially can slide and is positioned shell 2 inboards; Shell 2 inside walls are provided with two sections vertical L type draw-in grooves 13; The cam 6 of unblanking be able to enough be placed in any intersegmental part of this L type draw-in groove 13; The cam 6 that can either guarantee like this to unblank remains under the situation that does not receive external force and presses closer V-type bar 7 sidewall of gear 8 one sides dorsad, and the cam 6 that can also guarantee simultaneously to unblank receives outer back and breaks away from the L type draw-in groove 13 on shell 2 inwalls and under the drive of knob 5, turn in another section of L type draw-in groove 13, like this assurance the in stable condition of cam 6 of unblanking; Also can be that mode through the magnetic force adhesive cam 6 of realizing unblanking presses closer the function of V-type bar 7 away from gear 8 one sides except that this kind structure here; These all be those skilled in the art according to the structure that this patent can be easy to expect, belong to this patent protection domain.

The structure that said knob 5 one ends can be connected with the fixing engaging of the turning cylinder of the cam 6 of unblanking is: knob 5 one ends are provided with radial section and are non-circular inner groovy; The cam 6 turning cylinder other ends of unblanking are provided with and knob 5 one end inner groovy shapes and bulge-structure of the same size; Cam 6 other ends of unblanking be able to enough insert in the groove of knob 5 other ends; Also be provided with first elastic component 14, this first elastic component 14 is sheathed on knob 5 other ends outside, is formed with a loop stop surface between knob 5 two ends on the periphery wall; These first elastic component, 14 1 ends press closer on the ring-type stop surface of knob 5; First elastic component, 14 other ends press closer the lateral wall of shell 2 opposite sides, and like this, shell 2 is not receiving external force to do the time spent; The state that the effect of pressing closer of its elasticity that axially receives first elastic component 14 keeps and the cam of unblanking was opened in 6 minutes; Axial shell 2 inboard feedings of time spent are final to be fastened togather with the cam 6 of unblanking when its axial compression that receives the external world is done, and it just can be with the cam 6 of unblanking to rotate, and first elastic component 14 here can be stage clip; Except that this kind through the structure that interface radially is non-circular convexity with groove structure engages, can also be spline structure, magnetic force adhesive structure etc.

Unlock chip 10 structure that is positioned on the shell 2 opposite side inwalls of can sliding is: be provided with second elastic component 15, second torsion spring 16, motor 17, battery, contiguous block 18, inductor, induction key and controller; These second elastic component, 15 1 ends and shell 2 opposite side inwalls are connected; Second elastic component, 15 other ends and unlock chip 10 are connected, and unlock chip 10 is provided with at least one first bar hole 19 along its length direction, is provided with at least one connector; This connector one end passes on the unlock chip 10 final and shell 2 inwalls of first bar hole 19 and is connected; The end wall backstop of this connector other end is on the sidewall of unlock chip 10, and motor 17 is fixed positioned on shell 2 inside walls, and second torsion spring 16 is sheathed on the power output shaft of motor 17; Second torsion spring, 16 1 ends and motor 17 power output shafts one end are connected; Second torsion spring, 16 other ends and contiguous block 18 1 ends are connected, and contiguous block 18 can slide along first bar hole, 19 length directions on the unlock chip 10 and be positioned on shell 2 inside walls, and contiguous block 18 other ends and unlock chip 10 are connected; Inductor is positioned on the lock body shell 2; Inductor can be responded to and discern the induction key and be messaging in controller, and controller control battery gives motor 17 power supplies, when unlock chip 10 does not receive external force; It remains original state under the effect of second elastic component 15 motionless; When inductor 19 was responded to and recognize induction key 20, controller was just controlled motor 17 and is worked, and motor 17 drives this moment second torsion spring 16 rotates to shrink and then pass through contiguous block 18 and drives unlock chips 10 along its first bar hole, 19 length directions slip; Except that this kind structure, can also be that shell 2 opposite side inwalls are provided with chute, unlock chip 10 is positioned to slide along this chute in this chute; Battery can be a rechargeable battery; The USB interface of charging is fixedly connected with shell 2 inwalls through elastic component towards shell 2 inside parts, and USB interface is connected towards shell 2 Outboard Sections and a USB lid, and the USB lid covers and is positioned at the opening that supplies the USB interface turnover on the shell 2; The USB charging inlet is exactly automatic reset mode like this; After the truck man charging, pull up USB, USB recovers automatically with the USB lid and covers the opening that supplies the USB interface turnover on the shell 2, prevents that rainwater and dust from getting into.

Also be provided with mechanical key and key cam 20; Key cam 20 is articulated on the shell 2 opposite side inwalls; 20 other ends of key cam reach the shell 2 opposite sides outside; 20 other ends of key cam are provided with keyhole, if mechanical key be able to enough insert in this keyhole and drive cam rotation, key cam 20 periphery walls press closer the end in unlock chip 10 along its bar hole length direction; When motor 17 does not have electric weight to supply with, can cooperate through mechanical key and key cam 20 to drive unlock chip 10 slips.

Said unlock chip 10 can drive upper collet 9 and break away from and unblank that the structure of position is between another end wall of cam 6 turning cylinders and knob 5 one end walls: upper collet 9 one ends are articulated on the inside wall of shell 2 opposite sides; Upper collet 9 other ends are just on knob 5 one ends and the plane between the cam 6 turning cylinder other ends of unblanking; Be installed with a convexity on unlock chip 10 sidewalls; The sidewall of upper collet 9 one ends is provided with one section second bar hole 21; This second bar hole 21 has the length extension trend perpendicular to unlock chip 10 glide directions; Convexity on the unlock chip 10 just is arranged in second bar hole 21 of upper collet 9 and can slides along this bar hole; Upper collet 9 original states, when unlock chip 10 slides, just drive upper collet 9 and rotate around the drive-connecting shaft of himself at knob 5 one ends with unblank between the cam 6 turning cylinder other ends they the two partitions for just; And then make its other end skid off knob 5 one ends and unblank position between the cam 6 turning cylinder other ends; Make knob 5 one ends and the cam 6 turning cylinder other ends of unblanking to snap together, also just can't drive the cam 6 of unblanking and rotate through knob 5) (can also be that unlock chip 10 is connected with upper collet 9 certainly, the slip drive upper collet 9 through unlock chip 10 slips into and skids off knob 5 one ends and unblanks position between the cam 6 turning cylinder other ends.

Also be provided with first and

second microswitch

22,23 and display lamp; First and

second microswitch

22,23 can be responded to respectively and unblanks cam 6 and upper collet 9 positions and be messaging in controller; Control display lamp light on and off in the time of 17 actions of controller control motor, display lamp shows whether counter lock is unlocking condition, makes things convenient for the driver to grasp the state of counter lock constantly; GPS, GPRS navigation system can also be set on lock body, and the client can more accurate, more conveniently know goods whereabouts route.

First and second locking plate 3,4 outsides also are provided with the overcoat 24 that elastomeric material is processed; Because there is certain difference in the gap between container car door handle and the car door wall; Rubber-like overcoat 24 can guarantee first and second locking plate 3,4 all the time and the compactness between the counters handle, and overcoat 24 can be the rubber material.

The position that shell 2 lateral walls are positioned at around the knob 5 is provided with guiding gutter 25, and when running into the rainy day, it has stronger drain function, prevents that rainwater from getting into lock body inside and causing lock body to get rusty, damage; Also be installed with handle 26 on the tooth bar sheet 1, convenient operation to lock body.

Claims

1. counter lock; It is characterized in that: comprise tooth bar sheet (1), shell (2), first and second locking plate (3,4), knob (5), the cam of unblanking (6), V-type bar (7), gear (8), upper collet (9) and unlock chip (10); To use direction to be benchmark; Shell (2) can be located at tooth bar sheet (1) outside by slip cap along tooth bar sheet (1) length direction; Gear (8), V-type bar (7) and the cam of unblanking (6) successively can rotational positioning on the inside wall of shell (2) one sides; Knob (5) axially can slide and circumferencial direction can rotational positioning on the lateral wall of shell (2) opposite side; Tooth bar engagement on said gear (8) and the tooth bar sheet (1), V-type bar (7) elasticity only peaks in the teeth groove of gear (8), and V-type bar (a 7) sidewall of gear (8) dorsad can be located and only peaked to the cam of unblanking (6); The unblank turning cylinder of cam (6) passes tooth bar sheet (1) from a side and extend into shell (2) opposite side in shell (2); Knob (5) one ends extend into the inside of shell (2) opposite side and can be connected with the fixing engaging of the turning cylinder of the cam of unblanking (6), and upper collet (9) just backstop is positioned between the cam of unblanking (6) another end wall of turning cylinder and knob (5) one end walls, and unlock chip (10) can slide and be positioned on shell (2) the opposite side inwall; Unlock chip (10) can drive upper collet (9) and break away from position between the cam of unblanking (6) another end wall of turning cylinder and knob (5) one end walls; First and second locking plate (3,4) is fixed positioned in respectively on the lateral wall of shell (2) and tooth bar sheet (1) homonymy, and first locking plate (a 3) end of shell (2) dorsad has the warp architecture towards second locking plate (4) direction, and second locking plate (a 4) end of tooth bar sheet (1) dorsad has the warp architecture towards first locking plate (3) direction.

2. counter lock according to claim 1; It is characterized in that: the interior structure of teeth groove that said V-type bar (7) elasticity only peaks at gear (8) is: hinged first torsion spring (11) that is provided with on the inwall of shell (2) one sides; These first torsion spring (11) one ends and shell (2) one side inwalls are connected, and the other end presses closer in V-type bar (a 7) side of gear (8) dorsad.

3. counter lock according to claim 1; It is characterized in that: the said cam of unblanking (6) can locate and only peak at V-type bar (7) dorsad the structure of a sidewall of gear (8) be: be provided with the 3rd elastic component (12) that is sheathed on the cam of unblanking (6) turning cylinder; The 3rd elastic component (12) two ends press closer respectively in shell (2) inwall and the axial end wall of cam (6) of unblanking; The cam (6) of unblanking axially can slide and is positioned shell (2) inboard; Shell (2) inside wall is provided with two sections vertical L type draw-in grooves (13), and the cam of unblanking (6) be able to enough be placed in any intersegmental part of this L type draw-in groove (13).

4. counter lock according to claim 1; It is characterized in that: the structure that said knob (5) one ends can be connected with the fixing engaging of the turning cylinder of the cam of unblanking (6) is: knob (5) one ends are provided with radial section and are non-circular inner groovy; Unblanking, cam (6) the turning cylinder other end is provided with and knob (5) one end inner groovy shapes and bulge-structure of the same size; Cam (6) other end of unblanking be able to enough insert in the groove of knob (5) other end; Also be provided with first elastic component (14), this first elastic component (14) is sheathed on knob (5) other end outside, is formed with a loop stop surface on the periphery wall between knob (5) two ends; These first elastic component (14) one ends press closer on the ring-type stop surface of knob (5), and first elastic component (14) other end presses closer the lateral wall of shell (2) opposite side.

5. counter lock according to claim 1; It is characterized in that: unlock chip (10) structure that is positioned on shell (2) the opposite side inwall of can sliding is: be provided with second elastic component (15), second torsion spring (16), motor (17), battery, contiguous block (18), inductor, induction key and controller; These second elastic component (15) one ends and shell (2) opposite side inwall are connected; Second elastic component (15) other end and unlock chip (10) are connected; Unlock chip (10) is provided with at least one first bar hole (19) along its length direction, is provided with at least one connector, and this connector one end passes final and shell (2) inwall of last first bar hole of unlock chip (10) (19) and is connected; The end wall backstop of this connector other end is on the sidewall of unlock chip (10); Motor (17) is fixed positioned on shell (2) inside wall, and second torsion spring (16) is sheathed on the power output shaft of motor (17), and second torsion spring (16) one ends and motor (17) power output shaft one end are connected; Second torsion spring (16) other end and contiguous block (18) one ends are connected; Contiguous block (18) can slide along last first bar hole of unlock chip (10) (19) length direction and be positioned on shell (2) inside wall, and contiguous block (18) other end and unlock chip (10) are connected, and inductor is positioned on the lock body shell (2); Inductor can be responded to and discern the induction key and be messaging in controller, and controller control battery is given motor (17) power supply.

6. counter lock according to claim 5; It is characterized in that: also be provided with mechanical key and key cam (20); Key cam (20) is articulated on shell (2) the opposite side inwall, and key cam (20) the axle other end reaches shell (2) the opposite side outside, and key cam (20) the axle other end is provided with keyhole; If mechanical key be able to enough insert in this keyhole and drive cam rotation, key cam (20) periphery wall presses closer the end in unlock chip (10) along its bar hole length direction.

7. counter lock according to claim 1; It is characterized in that: said unlock chip (10) can drive upper collet (9) and break away from and to unblank that the structure of position is between cam (6) another end wall of turning cylinder and knob (5) one end walls: upper collet (9) one ends are articulated on the inside wall of shell (2) opposite side; Upper collet (9) other end just is positioned on the plane between knob (5) one ends and the cam of unblanking (6) the turning cylinder other end; Be installed with a convexity on unlock chip (10) sidewall; The sidewall of upper collet (9) one ends is provided with one section second bar hole (21); This second bar hole (21) has perpendicular to the length of unlock chip (10) glide direction and extends trend, and the convexity on the unlock chip (10) just is arranged in second bar hole (21) of upper collet (9) and can slides along this bar hole.

8. counter lock according to claim 5; It is characterized in that: also be provided with first and second microswitch (22,23) and display lamp; First and second microswitch (22,23) can be responded to cam of unblanking (6) and upper collet (9) position respectively and be messaging in controller; Control display lamp light on and off in the time of controller control motor (17) action, display lamp shows whether counter lock is unlocking condition.

9. counter lock according to claim 1 is characterized in that: first and second locking plate (3,4) outside also is provided with the overcoat (24) that elastomeric material is processed.

10. counter lock according to claim 1 is characterized in that: shell (2) lateral wall is positioned at knob (5) position on every side and is provided with guiding gutter (25); Also be installed with handle (26) on the tooth bar sheet (1).