CN109750910B - Mechanical attraction anti-theft lock - Google Patents
Mechanical attraction anti-theft lock Download PDFInfo
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- CN109750910B CN109750910B CN201910216574.5A CN201910216574A CN109750910B CN 109750910 B CN109750910 B CN 109750910B CN 201910216574 A CN201910216574 A CN 201910216574A CN 109750910 B CN109750910 B CN 109750910B
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Abstract
The invention relates to a mechanical attraction anti-theft lockset, which comprises a lock box, a lock cylinder and/or a control mechanism connected with a handle shaft, wherein the control mechanism is connected with a main lock tongue and an oblique tongue respectively; a support spring is arranged in the strip groove, the self-priming lock tongue is in a non-working state, the support spring supports the self-priming lock tongue, and the working surface of the self-priming lock tongue is in an inclined retraction state; the control structure makes the working surface of the self-priming lock tongue higher than the matched lock tongue surface when the self-priming lock tongue is in a working state. The anti-theft lock is characterized in that a self-priming lock tongue is arranged on any lock tongue, and under the condition of locking a door, the self-priming lock tongue is controlled to extend out to press a door leaf and a door frame tightly, so that the attraction is realized.
Description
Technical Field
The invention relates to a mechanical attraction anti-theft lockset, and belongs to the field of locksets.
Background
Along with the improvement of people's living standard, people are also higher to the security performance of door, and original tool to lock is just the cooperation of spring bolt and lockhole, and when the fit clearance of spring bolt and lockhole was great, after locking the door, there was the gap between door leaf and the door frame, can greatly reduced the theftproof performance of door at this moment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mechanical attraction anti-theft lock, wherein a self-suction lock tongue is arranged on any lock tongue, and under the condition of locking a door, the self-suction lock tongue is controlled to extend out to press a door leaf and a door frame, so that attraction is realized.
In order to solve the problems, the specific technical scheme of the invention is as follows: a mechanical attraction anti-theft lock comprises a lock box, a lock core and/or a control mechanism connected with a handle shaft, wherein the control mechanism is connected with a main lock tongue and an oblique tongue respectively, a strip groove is arranged on any main lock tongue or oblique tongue, a self-priming lock tongue is movably connected in the strip groove through a pin shaft, and the tail end of the self-priming lock tongue is positioned in the lock box and is linked with the control mechanism in the lock box; a support spring is arranged in the strip groove, the self-priming lock tongue is in a non-working state, the support spring supports the self-priming lock tongue, and the working surface of the self-priming lock tongue is in an inclined retraction state; the control structure makes the working surface of the self-priming lock tongue higher than the matched lock tongue surface when the self-priming lock tongue is in a working state.
The self-priming lock comprises a lock box, a self-priming lock tongue, a lock box, a lock plate, a pin shaft, a rolling shaft I, a L-shaped swing rod, a rolling shaft I and a rolling contact surface of the wedge-shaped structure of the self-priming lock tongue, wherein the self-priming lock tongue is arranged in the strip groove; a self-priming driving plate is arranged in the lock box and is linked with a control mechanism in the lock box, and the upper end of the self-priming driving plate is in poking contact with the other end of the swing rod.
The inner end part of the main lock tongue is connected with a main sliding plate, a positioning groove is formed in the main sliding plate, a lock cylinder is arranged in a lock box, a pinion is arranged on the lock cylinder, a large gear is movably connected in the lock box, and gear pins are symmetrically arranged on the rear surface of the large gear; the end, close to the main lock tongue, of the positioning groove on the main slide plate is semicircular, the semicircular diameter corresponds to the rotation contour line of the two gear pins, a U-shaped opening groove is formed below the positioning groove far away from the main lock tongue, and the gear pins are rotated and then enter the U-shaped opening groove; the back of the main sliding plate is provided with a stop pin I which is in poking contact with the lower end of the self-priming driving plate
The handle shaft is connected with the handle driving plate through a flat shaft, the self-priming driving plate is coaxially matched with the handle shaft, the circumference of the handle driving plate is an irregular cam, and a push rod, a push-pull part and a return part are respectively arranged; the front surface of the inclined tongue sliding plate is connected with the lock box through a return spring I; a rolling shaft II is arranged on the back surface of the inclined tongue sliding plate, and the push rod is contacted with the rolling shaft II; the lock box is internally connected with a manual driving plate through a rotating shaft, one end of the manual driving plate is positioned between the push-pull part and the return part, and the other end of the manual driving plate extends downwards and is movably connected with the main sliding plate.
The circumference of the lock handle driving plate is also provided with a positioning groove; the upper end part of the main slide plate opening piece is connected with the lock box through a pin shaft, the main slide plate opening piece is in an L-shaped structure, a bearing is arranged at the corner of the L-shaped structure, and the bearing is in contact fit with the positioning groove; a vertical main slide plate positioning plate is arranged on one side of the lock box, which is far away from the main lock tongue, a vertical long strip groove is arranged on the main slide plate positioning plate, a limit column is arranged on the lock box, the limit column at the corresponding position is matched with the vertical long strip groove, and a limit pin I is arranged at the bottom of the rear surface of the main slide plate positioning plate; the bottom of the main sliding plate is provided with a positioning open slot according to the gear, and the limiting pin I is matched with the open slot; the middle part of the main slide plate positioning plate is provided with a stop pin II, and the tail end of the main slide plate opening piece is in toggle contact with the stop pin II in the middle part of the main slide plate positioning plate; and the top of the main slide plate positioning plate is connected with a reset spring II, and the other end of the reset spring II is connected with a positioning pin in the lock box.
A gear positioning plate is arranged between the main slide plate positioning plate and the main slide plate, a strip hole is formed in one end, close to the main lock tongue, of the gear positioning plate, a positioning pin is arranged on the main slide plate, the positioning pin is inserted into the strip hole of the gear positioning plate, a reset spring III is arranged in the middle of the gear positioning plate, one end of the reset spring III is fixedly connected with the middle of the gear positioning plate, and the other end of the reset spring III is connected with the positioning pin on the main slide plate; a limiting pin II is arranged on the front surface of one end, far away from the main lock tongue, of the gear positioning plate, and the limiting pin II is contacted with a horizontal limiting surface at the bottom of the main slide plate positioning plate; the outer circumferences of the two gear pins of the large gear are in contact fit with the horizontal plane in the middle of the gear positioning plate.
The lock box is internally provided with a cam lock tongue, a cam head of the cam lock tongue penetrates through a panel hole of the lock box, a lock rod of the cam lock tongue is limited in the lock box through a through hole on a limiting plate, and a rotary deflector rod is arranged on the circumference of the lock rod; the main slide plate is connected with a top-bottom hook, an inclined moving chute is arranged on the top-bottom hook, and a pin penetrates through the moving chute to be connected with the main slide plate; an opening window is arranged on the top-bottom hook, and the rotary deflector rod penetrates out of the opening window; the middle part of the lock rod is provided with a limit boss, and the lower end of the main sliding plate is positioned between the limit boss and the end face of the cam head.
The mechanical attraction anti-theft lock adopts a structure that a self-suction lock tongue is arranged in any lock tongue, and after a door is locked, a control mechanism in the mechanical attraction anti-theft lock can control the self-suction lock tongue to rotate and stretch out, so that the joint surface of a door leaf and a door frame is in a complete compression state, and attraction is realized.
Preferably, the self-priming lock tongue is applied to the inclined tongue, and the roller I on the self-priming driving plate is used for driving the self-priming lock tongue to rotate, so that the inclined tongue extends out for working.
Preferably, the main sliding plate is used as a main element of the lock control mechanism, and the self-priming driving plate can be triggered only when the main lock tongue is fully extended and the main sliding plate moves to the limit position, so that the self-priming lock tongue can rotate. And the main sliding plate is provided with positioning grooves matched with the two gear pins, so that the main lock tongue can slide according to the gear.
Preferably, a handle shaft is added in the control mechanism, the handle shaft is rotated by a handle, the main sliding plate is quickly stretched and quickly contracted by a lock handle driving plate, and the inclined tongue can be simultaneously retracted.
The main slide plate is provided with a main slide plate positioning plate, so that the main slide plate has a positioning function, and when the driving lock handle is provided with a positioning groove, the main slide plate positioning plate can be pulled through the tail end of the main slide plate opening piece through the cam structure, so that the main slide plate is separated from a locking state, and sliding is realized.
Preferably, a gear positioning plate is arranged between the main slide plate positioning plate and the main slide plate, and is used for limiting the limiting pins of the large gear, so that the large gear is in a horizontal state in a non-working state, and the two limiting pins are in a horizontal state.
Preferably, a cam lock tongue is further arranged in the lock box, and the cam lock tongue generates translational and rotational actions through movement of the main sliding plate, so that the anti-theft performance of the lock is further improved.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a mechanical attraction anti-theft lock.
Fig. 2 is a schematic view of the self-priming locking bolt in an operating state.
Fig. 3 is a schematic view of the self-priming locking bolt in a non-operative state.
Fig. 4 is an exploded view of the mechanical actuation anti-theft lock.
Fig. 5 is a position state diagram of the gear pin and the limit pin i when the main lock tongue is retracted.
FIG. 6 shows the primary lock tongue extending into the first U-shaped notch with the gear pin in place.
Fig. 7 is a position state diagram of the gear pin and the limiting pin i when the main tongue is in first gear.
Fig. 8 shows the gear pin positioned in the second gear U-shaped opening groove in the process of the main lock tongue being in the second gear.
Fig. 9 is a position state diagram of the gear pin and the limiting pin i when the main lock tongue is in the second gear.
FIG. 10 is a schematic view of the engagement of the detent of the lock handle drive plate with the bearing on the main slide opening tab.
FIG. 11 is a state diagram of the main latch when the push-pull portion is in operation.
Fig. 12 is a state diagram of the main tongue and the oblique tongue when the return portion is operated.
Fig. 13 is a front connection isometric view of the cam lock tongue.
Fig. 14 is a connection isometric view of the back of the cam lock tongue.
Detailed Description
Example 1
As shown in fig. 1 to 4, a mechanical actuation anti-theft lock comprises a lock box 10, a lock core 11 and/or a control mechanism connected with a handle shaft 12, wherein the control mechanism is connected with a main lock tongue 13 and an oblique tongue 14 respectively, and for those skilled in the art, the control mechanisms in the lock box are different, and usually have the handle shaft and the lock core to act respectively, so as to control the internal control mechanism, and realize the extension and retraction of each lock tongue. A strip groove is arranged on any main lock tongue 13 or oblique tongue 14, the self-priming lock tongue 1 is movably connected in the strip groove through a pin shaft, and the tail end of the self-priming lock tongue 1 is positioned in the lock box 10 and is linked with a control mechanism in the lock box; a supporting spring 141 is arranged in the long strip groove, the self-priming lock tongue 1 is in a non-working state, and the working surface of the self-priming lock tongue 1 is in an inclined retraction state under the action of the supporting spring 141; after the control mechanism acts, when the self-priming lock tongue 1 is in a working state, the self-priming lock tongue 1 extends out, the working surface of the self-priming lock tongue 1 is higher than the matched lock tongue surface, and the action can compensate a reserved gap between a door leaf and a door frame, so that the sealing performance and the safety performance of the door are improved.
As shown in fig. 2 and 3, in this embodiment, a self-priming lock tongue 1 is disposed in a latch tongue 14, a strip groove is disposed on the latch tongue 14, the self-priming lock tongue 1 disposed in the strip groove is movably connected with the latch tongue 14 through a pin shaft, the tail end of the self-priming lock tongue 1 is in a wedge structure, a locking piece 2 is fixedly connected in a lock box 10, the locking piece 2 is horizontally disposed, an L-shaped swing rod 3 is movably connected on the locking piece 2 through the pin shaft, a roller i 31 is disposed at one end of the swing rod 3, and the roller i 31 is in rolling contact with the surface of the wedge structure of the self-priming lock tongue 1; the self-priming driving plate 4 is arranged in the lock box 10, the self-priming driving plate 4 is linked with a control mechanism in the lock box, and the upper end part of the self-priming driving plate 4 is in poking contact with the other end of the swing rod 3. The function of the self-priming lock tongue 1 in the application is that after the door is locked, the self-priming lock tongue 1 generates a force vertical to the movement direction of the main lock tongue to the door leaf so as to push the door leaf to be completely attracted with the door frame, so that the self-priming drive plate 4 is adopted as a linkage part for implementing the action in the embodiment, when the oblique tongue moves, the self-priming drive plate 4 does not move, and only when the main lock tongue moves to the final gear, the self-priming drive plate 4 can be triggered, so that the self-priming drive plate 4 rotates the swing rod 3, and the roller I31 on the swing rod 3 further drives the self-priming lock tongue 1 to extend out of the self-priming lock tongue 1.
Example two
On the basis of the first embodiment, a control mechanism is specifically disclosed, as shown in fig. 5 to 9, the inner end part of a main lock tongue 13 is connected with a main sliding plate 5, a positioning groove is arranged on the main sliding plate 5, a lock cylinder 11 is arranged in a lock box 10, a pinion is arranged on the lock cylinder 11, a large gear 6 is movably connected in the lock box 10, and gear pins 61 are symmetrically arranged on the rear surface of the large gear 6; the end, close to the main lock tongue 13, of the positioning groove on the main slide plate 5 is semicircular, the semicircular diameter corresponds to the rotation contour line of the two gear pins 61, a U-shaped opening groove is formed below the positioning groove far away from the main lock tongue 13, and the gear pins 61 rotate and then enter the U-shaped opening groove; the back of the main sliding plate 5 is provided with a stop pin I51, and the stop pin I51 is in poking contact with the lower end of the self-priming driving plate 4. The main slide is the main part of each spring bolt action in this application, namely control mechanism's main part, set up the constant head tank on the main slide and be the gear round pin 61 on the positioning gear wheel 6, gear wheel 6 every half circle of rotation, corresponding gear round pin 61 can fall into corresponding U-shaped open slot promptly to realize the overhanging gear of main spring bolt 13, main slide 5 also can outwards move at the overhanging in-process of main spring bolt 13, thereby triggers and inhale the actuation of drive plate 4 certainly, realizes the action of inhaling spring bolt 1 certainly.
Further, as shown in fig. 10 to 12, the handle shaft 12 is connected to the handle driving plate 7 through a flat shaft, while the self-priming driving plate 4 is coaxially matched with the handle shaft 12, but does not rotate along with the handle shaft 12, and a push rod 72, a push-pull part 73 and a return part 74 are respectively arranged on the circumference of the handle driving plate 7 as an irregular cam; the inclined tongue 14 is connected with the inclined tongue sliding plate 15, and the front surface of the inclined tongue sliding plate 15 is connected with the lock box 10 through the return spring I151, so that the inclined tongue 14 is always in an overhanging state; a roller II 152 is arranged on the back surface of the inclined tongue sliding plate 15, and the push rod 72 is contacted with the roller II 152; the lock box 10 is internally connected with a manual driving plate 16 through a rotating shaft, one end of the manual driving plate 16 is positioned between the push-pull part 73 and the return part 74, the other end of the manual driving plate 16 extends downwards and is movably connected with the main sliding plate 5, specifically, the end part of the main sliding plate 5 is provided with a vertical long strip groove, the end part of the manual driving plate 16 is provided with a sliding rod 161, and the sliding rod 161 is in sliding fit with the long strip groove. The driving structure of the handle shaft is additionally arranged in the control mechanism, the cam mechanism of the driving plate 7 is used for controlling the inclined tongue 14 to move, and the push-pull part and the return part are used for controlling the manual driving plate to act, so that the main sliding plate drives the main lock tongue to act, and the manual unlocking is realized.
Further, a positioning groove 71 is also arranged on the circumference of the lock handle driving plate 7; the upper end part of the main slide plate opening piece 8 is connected in the lock box 10 through a pin shaft, the main slide plate opening piece 8 is in an L-shaped structure, a bearing 81 is arranged at the corner of the L-shaped structure, and the bearing 81 is in contact fit with the positioning groove 71; a vertical main slide plate positioning plate 17 is arranged on one side of the lock box, far from the main lock tongue 13, a vertical long strip groove is arranged on the main slide plate positioning plate 17, a limit column is arranged on the lock box 10, the limit column at the corresponding position is matched with the vertical long strip groove, and a limit pin I171 is arranged at the bottom of the rear surface of the main slide plate positioning plate 17; an opening slot for positioning is arranged at the bottom of the main sliding plate 5 according to the gear, and the limiting pin 171 is matched with the opening slot; the middle part of the main slide plate positioning plate 17 is provided with a stop pin II 172, and the tail end of the main slide plate opening piece 8 is in toggle contact with the stop pin II 172 in the middle part of the back surface of the main slide plate positioning plate 17; the top of the main slide plate positioning plate 17 is connected with a reset spring II 173, and the other end of the reset spring II 173 is connected with a positioning pin in the lock box. The above structure is matched with the bearing 81 through the positioning groove 71, when the positioning groove 71 is separated from the bearing 81, the main slide plate opening piece 8 acts to push the main slide plate positioning plate 17 to act downwards, so that the limiting pin I171 is separated from the opening groove at the bottom of the main slide plate 5, unlocking is realized, and the main slide plate can move randomly.
Further, a gear positioning plate 18 is arranged between the main slide plate positioning plate 17 and the main slide plate 5, a strip hole is formed in one end, close to a main lock tongue, of the gear positioning plate 18, a positioning pin is arranged on the main slide plate 5 and inserted into the strip hole of the gear positioning plate 18, a reset spring III 181 is arranged in the middle of the gear positioning plate 18, one end of the reset spring III is fixedly connected with the middle of the gear positioning plate 18, and the other end of the reset spring III is connected with the positioning pin on the main slide plate 5; a limiting pin II 182 is arranged on the front surface of one end, far away from the main lock tongue, of the gear positioning plate 18, and the limiting pin II 182 is contacted with a horizontal limiting surface at the bottom of the main slide plate positioning plate 17; the outer circumferences of the two gear pins 61 of the large gear 6 are in contact fit with the horizontal plane in the middle of the gear positioning plate 18. The gear positioning plate 18 is a limit for the large gear 6, so that the outer circumferences of the two gear pins 61 are in contact with the gear positioning plate 18 in a non-rotating state of the large gear, namely, the horizontal position is ensured.
As shown in fig. 13 and 14, in addition to the main lock tongue 13 and the oblique tongue 14, the cam lock tongue 20 is arranged in the lock box 10, the cam head 201 of the cam lock tongue 20 passes through the panel hole of the lock box, the lock rod 202 of the cam lock tongue 20 is limited in the lock box 10 through the through hole on the limiting plate 21, and the circumference of the lock rod 202 is provided with the rotary deflector 22; the main slide plate 5 is connected with a top-bottom hook 23, an inclined moving chute 231 is arranged on the top-bottom hook 23, and a pin penetrates through the moving chute 231 to be connected with the main slide plate 5; the top and bottom hooks 23 are provided with opening windows 232, and the rotary deflector 22 is inserted out of the opening windows 232. When the main slide plate 5 moves, the top-bottom hook 23 moves up and down, so that the rotary deflector 22 is driven to move, the rotation of the cam head 201 is realized, and the locking function is realized; a limit boss 203 is arranged in the middle of the lock rod 202, the lower end of the main slide plate 5 is positioned between the limit boss 203 and the end face of the cam head 201, and simultaneously, the movement of the main slide plate 5 also drives the cam lock tongue 20 to do telescopic movement.
The mechanical actuation anti-theft lock of the second embodiment has the following action process:
1. the handle shaft controls the retraction of the oblique tongue: in normal cases, since the connecting tongue 14 is connected to the tongue slide plate 15, the tongue 14 is always in an overhanging state by the action of the return spring i 151 provided on the tongue slide plate 15. When the door needs to be opened, the handle is pressed down, the handle shaft 12 rotates and the lock handle driving plate 7 synchronously rotates, and the push rod 71 pushes the roller II 152 on the back surface of the inclined tongue sliding plate 15, so that the inclined tongue 14 is pulled to retract.
2. The lock cylinder controls the main lock tongue to extend outwards: when a key is stretched into the lock cylinder 11 to rotate, a pinion on the lock cylinder 11 drives the large gear 6 to rotate, and a gear pin 61 on the rear surface of the large gear 6 enters a U-shaped open slot for opposite use every 180 degrees of rotation of the large gear, so that two gears of the main lock tongue 13 are stretched out.
In order to ensure that the main bolt stretches out the in-process to fix a position the main slide, main slide 5 side has set up main slide locating plate 17, and the bottom back of main slide locating plate 17 is equipped with spacer pin I171, is equipped with three open slot in main slide 5 bottom, and every time main bolt stretches out a gear, spacer pin I171 all inserts the open slot of corresponding gear, realizes respectively that main slide 5 locks on the gear that corresponds.
Meanwhile, in order to ensure that the two gear pins 61 of the large gear are in a horizontal state in the non-working state, a gear positioning plate 18 is arranged between the main slide plate positioning plate 17 and the main slide plate 5. The horizontal plane of gear locating plate 18 receives the gear round pin 61 exogenic action of rotation action, moves down, and simultaneously gear locating plate 18 front end's spacer pin II 182 pushes down moves main slide locating plate 17, and spacer pin I171 breaks away from the open slot of main slide 5 bottom, and main slide 5 is the non-locking state, and main slide 5 drives the main lock tongue and removes, and after removing another gear, main slide locating plate 17 is under reset spring III 181's traction, and spacer pin I171 inserts the open slot of another gear again.
3. The lock cylinder controls the main lock tongue to retract: this step is in reverse order with the lock cylinder controlling the extension of the main lock tongue.
4. The handle shaft 12 controls the main bolt to quickly retract and retract: the handle shaft 12 rotates and drives the lock handle driving plate 7 to rotate, the top of the manual driving plate 16 rotates the manual driving plate 16 under the drive of the push-pull part 73, and the sliding rod 161 on the manual driving plate 16 is connected with the main sliding plate 5, so that the main lock tongue 13 can rapidly extend out; in contrast, the handle shaft rotates in the opposite direction, and the return part of the lock handle driving plate 7 drives the manual driving plate 16 to rotate in the opposite direction, so that the main lock tongue 13 is quickly retracted. The main slide plate positioning plate 17 is required to move downwards in the quick expansion and retraction process of the lock tongue, the limiting pin I171 unlocks the main slide plate 5, a specific unlocking structure is realized through the positioning groove 71 on the lock handle driving plate 7, the bearing 81 on the main slide plate opening plate 8 is embedded into the positioning groove 71 at the original position of the lock handle driving plate 7, when the lock handle driving plate 7 rotates, the bearing 81 is separated from the positioning groove 71 to touch the main slide plate opening plate 8 to rotate, and therefore the tail end of the main slide plate opening plate 8 pushes the stop pin II 172 in the middle of the main slide plate positioning plate 17, so that the main slide plate positioning plate 17 moves downwards to unlock the main slide plate 5.
5. Self-priming tongue extension: only when the main lock tongue 13 is fully extended, the back of the main sliding plate 5 is provided with a stop pin I51 to push the self-priming driving plate 4 to rotate, the upper end of the self-priming driving plate 4 dials the swinging rod 3, and a roller I31 above the swinging rod 3 presses down the root of the self-priming lock tongue 1, so that the front end part of the self-priming lock tongue 1 is lifted up, and the self-priming effect of a door leaf and a door frame is achieved.
Cam lock tongue overhanging locking: in the process of extending the tongue of the main lock 13, the main sliding plate 5 also moves outwards, and meanwhile, the bottom of the main sliding plate 5 is clamped on the end face of the cam head 201, so that the cam head 201 is pushed to extend out of the lock box, at the moment, the movable sliding chute 231 which is obliquely arranged on the top-bottom hook 23 moves downwards under the driving of the pin, the top-bottom hook 23 extends out of the lock box, and the opening window 232 on the top-bottom hook 23 pushes the rotary deflector 22, so that the rotary locking of the cam lock tongue 20 is realized.
Claims (6)
1. The utility model provides a mechanical type actuation theftproof tool to lock, includes lock box (10), control mechanism that lock core (11) and/or handle axle (12) are connected, and control mechanism connects main spring bolt (13) and oblique tongue (14) are connected respectively, its characterized in that: a strip groove is arranged on any main lock tongue (13) or oblique tongue (14), a self-suction lock tongue (1) is movably connected in the strip groove through a pin shaft, and the tail end of the self-suction lock tongue (1) is positioned in the lock box (10) and is linked with a control mechanism in the lock box; a supporting spring (141) is arranged in the strip groove, the self-priming lock tongue (1) is in a non-working state, the supporting spring (141) supports the self-priming lock tongue (1), and the working surface of the self-priming lock tongue (1) is in an inclined retraction state; the control structure enables the working surface of the self-priming lock tongue (1) to be higher than the matched lock tongue surface when the self-priming lock tongue (1) is in a working state; the self-priming lock tongue (1) is movably connected with the inclined tongue (14) through a pin shaft, the tail end of the self-priming lock tongue (1) is of a wedge-shaped structure, the lock box (10) is fixedly connected with a lock piece (2), the lock piece (2) is horizontally arranged, the lock piece (2) is movably connected with an L-shaped swing rod (3) through the pin shaft, one end of the swing rod (3) is provided with a roller I (31), and the roller I (31) is in rolling contact with the surface of the wedge-shaped structure of the self-priming lock tongue (1); a self-priming driving plate (4) is arranged in the lock box (10), the self-priming driving plate (4) is linked with a control mechanism in the lock box, and the upper end part of the self-priming driving plate (4) is in poking contact with the other end of the swing rod (3).
2. The mechanical actuation anti-theft lock of claim 1, wherein: the inner end part of the main lock tongue (13) is connected with the main slide plate (5), a positioning groove is formed in the main slide plate (5), a lock cylinder (11) is arranged in the lock box (10), a pinion is arranged on the lock cylinder (11), a large gear (6) is movably connected in the lock box (10), and gear pins (61) are symmetrically arranged on the rear surface of the large gear (6); the end, close to the main lock tongue (13), of the positioning groove on the main slide plate (5) is semicircular, the semicircular diameter corresponds to the rotation contour line of the two gear pins (61), a U-shaped opening groove is formed below the positioning groove far away from the main lock tongue (13), and the gear pins (61) rotate and then enter the U-shaped opening groove; the back of the main sliding plate (5) is provided with a stop pin I (51), and the stop pin I (51) is in poking contact with the lower end of the self-priming driving plate (4).
3. The mechanical actuation anti-theft lock of claim 2, wherein: the handle shaft (12) is connected with the handle driving plate (7) through a flat shaft, the self-priming driving plate (4) is coaxially matched with the handle shaft (12), the circumference of the handle driving plate (7) is an irregular cam, and a push rod (72), a push-pull part (73) and a return part (74) are respectively arranged; the inclined tongue (14) is connected with an inclined tongue sliding plate (15), and the front surface of the inclined tongue sliding plate (15) is connected with the lock box (10) through a return spring I (151); a roller II (152) is arranged on the back surface of the inclined tongue sliding plate (15), and the push rod (72) is contacted with the roller II (152); the lock box (10) is internally connected with a manual driving plate (16) through a rotating shaft, one end of the manual driving plate (16) is positioned between the push-pull part (73) and the return part (74), and the other end of the manual driving plate (16) extends downwards and is movably connected with the main sliding plate (5).
4. A mechanical actuation anti-theft lock according to claim 3, characterized in that: the circumference of the lock handle driving plate (7) is also provided with a positioning groove (71); the upper end part of a main slide plate opening piece (8) is connected in the lock box (10) through a pin shaft, the main slide plate opening piece (8) is of an L-shaped structure, a bearing (81) is arranged at the corner of the L-shaped structure, and the bearing (81) is in contact fit with the positioning groove (71); a vertical main slide plate positioning plate (17) is arranged on one side of the lock box, which is far away from the main lock tongue (13), a vertical long strip groove is arranged on the main slide plate positioning plate (17), a limit column is arranged on the lock box (10), the limit column at the corresponding position is matched with the vertical long strip groove, and a limit pin I (171) is arranged at the bottom of the rear surface of the main slide plate positioning plate (17); an opening slot for positioning is arranged at the bottom of the main sliding plate (5) according to the gear, and a limiting pin I (171) is matched with the opening slot; the middle part of the main slide plate positioning plate (17) is provided with a stop pin II (172), and the tail end of the main slide plate opening piece (8) is in toggle contact with the stop pin II (172) in the middle part of the main slide plate positioning plate (17); the top of the main slide plate positioning plate (17) is connected with a reset spring II (173), and the other end of the reset spring II (173) is connected with a positioning pin in the lock box.
5. The mechanical actuation anti-theft lock of claim 4, wherein: a gear positioning plate (18) is arranged between the main slide plate positioning plate (17) and the main slide plate (5), a strip hole is formed in one end, close to the main lock tongue, of the gear positioning plate (18), a positioning pin is arranged on the main slide plate (5), the positioning pin is inserted into the strip hole of the gear positioning plate (18), a reset spring III (181) is arranged in the middle of the gear positioning plate (18), one end of the reset spring III (181) is fixedly connected with the middle of the gear positioning plate (18), and the other end of the reset spring III is connected with the positioning pin on the main slide plate (5); a limiting pin II (182) is arranged on the front surface of one end, far away from the main lock tongue, of the gear positioning plate (18), and the limiting pin II (182) is contacted with a horizontal limiting surface at the bottom of the main slide plate positioning plate (17); the outer circumferences of the two gear pins (61) of the large gear (6) are in contact fit with the horizontal plane in the middle of the gear positioning plate (18).
6. The mechanical actuation anti-theft lock of claim 2, wherein: the lock box (10) is internally provided with a cam lock tongue (20), a cam head (201) of the cam lock tongue (20) penetrates through a lock box panel hole, a lock rod (202) of the cam lock tongue (20) is limited in the lock box (10) through a through hole on a limiting plate (21), and a rotary deflector rod (22) is arranged on the circumference of the lock rod (202); the main sliding plate (5) is connected with a top-bottom hook (23), an inclined moving chute (231) is arranged on the top-bottom hook (23), and a pin penetrates through the moving chute (231) to be connected with the main sliding plate (5); an opening window (232) is arranged on the top-bottom hook (23), and the rotary deflector rod (22) penetrates out of the opening window (232); a limit boss (203) is arranged in the middle of the lock rod (202), and the lower end of the main sliding plate (5) is positioned between the limit boss (203) and the end face of the cam head (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216574.5A CN109750910B (en) | 2019-03-21 | 2019-03-21 | Mechanical attraction anti-theft lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216574.5A CN109750910B (en) | 2019-03-21 | 2019-03-21 | Mechanical attraction anti-theft lock |
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| CN109750910A CN109750910A (en) | 2019-05-14 |
| CN109750910B true CN109750910B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910216574.5A Active CN109750910B (en) | 2019-03-21 | 2019-03-21 | Mechanical attraction anti-theft lock |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111535674A (en) * | 2020-04-29 | 2020-08-14 | 金华华微智能科技有限公司 | Universal lock body |
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| CN109750910A (en) | 2019-05-14 |
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