CN108278046A - A silent automatic lock with quick release - Google Patents

Abstract

The invention provides a silent automatic lock capable of being unlocked quickly, and belongs to the technical field of locks. It has solved current key can not open the dead bolt scheduling problem. The invention comprises a panel, a lock body, a lock tongue plate, an oblique tongue plate and a rotating assembly, wherein the rotating assembly comprises a transmission gear, a driving gear, a transmission piece, a shifting fork and a shifting piece, the transmission gear, the driving gear and the transmission piece are concentrically and rotatably arranged, the driving gear is meshed with a lock core gear and can rotate relative to the transmission gear, the transmission gear is pushed to synchronously rotate by an upper limit part, the outer teeth of the shifting fork are meshed with the transmission gear, the shifting fork and the shifting piece are concentrically and rotatably arranged, when the shifting fork is positioned at a closing station or a leaving station, the square hole rotating assembly can drive the shifting piece to synchronously drive the shifting piece and the shifting fork or the shifting piece to independently rotate, the driving gear can drive the oblique tongue to retract through the shifting piece, and when the oblique tongue plate. The invention has the advantages that when the lock is unlocked by a key or a handle, the lock tongue and the latch bolt can be unlocked simultaneously, and the unlocking is quick and convenient.

Description

A silent automatic lock with quick release

technical field

The invention belongs to the technical field of locks, and relates to an automatic lock, in particular to a silent automatic lock for fast unlocking.

Background technique

There are generally two ways to unlock the traditional automatic lock, one is to use a key to unlock the bolt, and the inside and outside handles to open the latch bolt; the other is to use a key to unlock the bolt outside the door, and the outside handle to open the latch bolt Same as unlocking bolt and latch. No matter which kind, the bolt cannot be opened with the key to unlock the lock, and the key cannot be opened with the bolt and the bolt at one time, and the handle needs to be matched, which is not very convenient.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned defects in the existing automatic lock, and provide an automatic lock that can unlock the bolt and the oblique bolt at one time when unlocking with a key or a handle, and the unlocking is fast and convenient.

The purpose of the present invention can be achieved through the following technical solutions:

A silent automatic lock for quick unlocking, comprising a panel, a lock body, a dead bolt, a bolt plate, a bolt and a bolt plate, the bolt plate and the bolt plate are both slidably arranged on the lock body, the bolt and the bolt plate The bolt is fixedly connected and the bolt can extend or retract from the bolt hole on the panel, the bolt is connected with the bolt plate firmly and the bolt can extend or retract from the bolt hole on the panel, and the lock body is respectively equipped with The first thrust assembly and the second thrust assembly that make the lock bolt and the oblique bolt have a tendency to protrude. The lock body is also provided with a lock cylinder and a rotating assembly that drives the movement of the lock bolt and the oblique bolt. The lock cylinder is provided with a gear , characterized in that, the rotating assembly includes transmission teeth, driving teeth, transmission parts, shift forks and paddles, the transmission teeth are arranged on the lock body through a rotating shaft, and the driving teeth and the transmission parts are concentrically sleeved on the rotating shaft, The transmission part is fixedly connected with the transmission gear, and the transmission part is provided with a limit part, and the drive tooth meshes with the above-mentioned gear. The drive tooth can rotate relative to the transmission part and push the transmission part to rotate synchronously by the upper limit part. The transmission part is connected to the above-mentioned The deadbolt plate is connected, one end of the shift fork is provided with external teeth and is externally meshed with the above-mentioned transmission teeth, the other end of the shift fork is concentrically rotated with the above-mentioned plectrum and is arranged on the lock body, and the rotation center of the two is provided for connecting. The square hole transfer piece of the hand, the shift fork, the paddle and the square hole transfer piece are connected through a clutch structure. The tongue is in the locked state, and the handle can be rotated through the square hole to drive the paddle and the shift fork to drive synchronously. The piece rotates independently, and one end of the piece is provided with a driving piece, and the above-mentioned driving tooth is provided with a driving pin, and the driving piece blocks the movement path of the driving pin when unlocking, and the other end of the piece is provided with a pin, which rests against the above-mentioned The latch plate can also drive the latch plate to retract the latch tongue with the rotation of the plectrum. When the latch tongue pops up under the action of the second thrust assembly, the latch plate can reversely drive the dial pin to return the plectrum.

In the above-mentioned silent automatic lock for quick unlocking, a guide groove is provided on the inclined tongue plate, and the above-mentioned lock body is provided with a guide column pierced in the guide groove. unanimous.

In the above-mentioned quick-unlocking silent automatic lock, the connection structure is a hinged plate, and the two ends of the hinged plate are respectively hinged with the above-mentioned transmission member and the deadbolt plate.

In the above-mentioned silent automatic lock for quick unlocking, the transmission part includes an upper piece and a lower piece arranged up and down, the above-mentioned limiting part is a connecting pin, and there are multiple connecting pins, and the upper piece and the lower piece pass through multiple The two connecting pins are fixedly connected, the above-mentioned driving teeth are arranged between the upper piece and the lower piece, the driving teeth are provided with arc-shaped grooves corresponding to the connecting pins one by one, and the corresponding connecting pins are passed through the corresponding arc-shaped grooves.

In the above-mentioned silent automatic lock with quick unlocking, the width of the arc-shaped slot is close to the diameter of the connecting pin inside the arc-shaped slot, and the plurality of arc-shaped slots are concentric with the rotation center of the above-mentioned transmission teeth.

In the above-mentioned silent automatic lock for quick unlocking, the transmission teeth are fixed on the above-mentioned upper piece, and the above-mentioned hinge plate is hinged on the above-mentioned lower piece.

In the above-mentioned silent automatic lock for quick unlocking, the clutch structure includes a clutch part, the clutch part is concentrically arranged with the above-mentioned square hole transfer part, shift fork, and pick plate, the shift fork is fixed on the clutch part, and the clutch part , the shift fork and the shift plate all have circular inner holes of the same size, and the inner holes of the clutch, shift fork and shift plate are all provided with two symmetrically arranged inwardly convex limit points, and the clutch and shift fork The projections of the limit points on the centerline of the above-mentioned inner holes are coincident, the square hole rotating parts are located in each inner hole, and the two limit points in the same inner hole are respectively set on both sides of the square hole rotating parts, and the square hole rotating parts can be Rotate within the range between the two limit points or push the limit point to rotate synchronously against the limit point. The projections of the centerline coincide, and when the above-mentioned off-station is in place, the projections of the two limit points on the clutch part and the two limit points on the plectrum along the centerline of the inner hole are symmetrical.

In the above-mentioned silent automatic lock for quick unlocking, the clutch includes three clutch plates arranged concentrically from top to bottom, and the above-mentioned limit points are provided on the three clutch plates. The upper clutch piece is fixedly connected with the above-mentioned shift fork, and the above-mentioned square hole transfer piece is provided with two and arranged up and down, and the upper square hole turn piece is arranged in the inner hole of the shift fork, the upper clutch piece and the middle clutch piece Inside, the above-mentioned paddle is located between the middle clutch plate and the lower clutch plate, and the lower square hole transfer piece is located in the inner hole of the pick plate and the lower clutch plate.

In the above-mentioned silent automatic lock for quick unlocking, the first thrust assembly includes a first guide rod and a first spring sleeved on the first guide rod, and one end of the first guide rod is fixed on the above-mentioned lock body The other end is pierced on the deadbolt plate, the extension direction of the first guide rod is consistent with the moving direction of the deadbolt, and the first compressed spring leans against between the lock body and the deadbolt plate.

In the above-mentioned silent automatic lock for quick unlocking, the second thrust assembly includes a second guide rod and a second spring sleeved on the second guide rod, and one end of the second guide rod is fixed on the above-mentioned lock body The other end is worn on the latch bolt, the extension direction of the second guide rod is consistent with the movement direction of the latch bolt, and the second compressed spring leans against the lock body and the latch bolt.

In the above-mentioned silent automatic lock for quick unlocking, the automatic lock is also provided with a locking mechanism for locking the above-mentioned deadbolt after being retracted into place. The pin and the locking torsion spring, the two ends of the extension spring are respectively connected to the above-mentioned lock body and the card plate and are in a stretched state. The card plate and the lock body are connected through a limiting structure. Under the action of the limiting structure, the card plate can only Relative to the lock body, it moves back and forth in a direction perpendicular to the direction of movement of the lock bolt. There is a slider on the bolt plate, a chute for the slider to slide on the lock body, and a chute for the slider on the corresponding chute position on the card board. The extending direction of the sliding groove and the moving groove is consistent with the moving direction of the lock tongue. Both ends of the moving groove are provided with positioning notches. The two positioning notches on the same moving groove are located on the same side of the moving groove. When the lock tongue is switched between locked and unlocked states, the slider will move from the positioning notch at one end of the movable slot to the positioning notch at the other end, and when the slider slides out of the positioning notch, it will push the pull plate to stretch the above-mentioned tension spring When the slider slides into the positioning gap, under the action of the tension spring, the pull plate will move to the direction of compressing the pull spring to reset. , There is a locking gap on the lock tongue plate, the locking gap is in the shape of "7", the above-mentioned hook is located on the upper part of the "7", and there is a hook groove on the hook. When the lock tongue retracts, it passes through the pull plate The movement of the locking bolt matches the movement of the bolt plate, and the locking pin slides upward from the lower part of the "7" into the locking notch relative to the locking notch, and during the sliding process, the hook rotates in the direction of increasing the torsion force of the locking torsion spring , until it falls into the hook groove of the grab hook, the hook groove limits the movement of the bayonet pin with the pull plate to the direction of stretching the above-mentioned extension spring, thereby fixing the deadbolt plate.

In the aforementioned silent automatic lock for quick unlocking, the limiting structure includes a limiting groove and a limiting column, the limiting groove is arranged on the above-mentioned cardboard, and the limiting column is located in the limiting groove and fixed on the lock. On the body, the extending direction of the limiting groove is perpendicular to the moving direction of the deadbolt.

In the above-mentioned silent automatic lock for quick unlocking, the automatic lock is also provided with a quick locking mechanism. The quick locking mechanism includes a guide hook and a rotating spring. and the other side of this end is connected to one end of the rotary spring, the other end of the rotary spring is connected to the above-mentioned dial pin located on one side of the guide hook, the other end of the guide hook extends along the retracting direction of the oblique tongue, and the end is provided with Pull hook, the guide hook is located on the side of the dial pin with a guide edge. Under the action of the rotating spring, the guide edge always leans against the dial pin. position, so that the guide hook moves with the inclined tongue plate and rotates under the action of the guide edge at the same time, until the pull hook hooks the above-mentioned hook, releases the inclined tongue, and the inclined tongue is driven by the pull hook when it pops up under the action of the second thrust component. The hook rotates to disengage from the above-mentioned bayonet pin, so that the deadbolt plate is ejected under the action of the above-mentioned first thrust assembly.

In the above-mentioned silent automatic lock for quick unlocking, the striker pin and the above-mentioned rotating assembly are respectively arranged on two sides of the above-mentioned guide hook.

In the above-mentioned silent automatic lock for quick unlocking, a limit piece is provided on the slant tongue plate, and there is a limit gap between the limit plate and the slant tongue plate to prevent the end of the pull hook of the above-mentioned guide hook from being upturned. , the guide hook is always worn to move within the limit gap.

In the aforementioned silent automatic lock for quick unlocking, the guide edge is arc-shaped.

In the aforementioned quick-release silent automatic lock, the pull hook includes a plurality of hook teeth.

In the above-mentioned silent automatic lock for quick unlocking, the first thrust assembly is provided in two groups, which are respectively arranged at both ends of the above-mentioned deadbolt plate, the above-mentioned transmission part is located between the two groups of first thrust assemblies, and the above-mentioned rotating shaft A balance torsion spring is provided on the lock body, and a positioning pin is provided on the lock body. One end of the balance torsion spring is connected to the positioning pin, and the other end is connected to the transmission part. There is a tendency to turn in the direction in which the lock tongue is extended, and the force gradually increases during the extension process of the lock tongue.

In the silent automatic lock for quick unlocking described above, the total resultant force of the two first springs and the above-mentioned balance torsion spring acting on the above-mentioned deadbolt plate is always constant.

In the above-mentioned silent automatic lock for quick unlocking, a damper is also provided on the deadbolt plate, and a damper rod is provided on the damper, and one end of the damper rod protrudes from the damper and pushes against the above-mentioned panel, and the damper The extending direction of the rod is consistent with the moving direction of the deadbolt plate.

In the above-mentioned silent automatic lock for quick unlocking, the lock body is also provided with a safety mechanism, which includes a safety block and a safety spring. Card point, the safety block is provided with a toggle head, which can be pushed against the card point, and the two ends of the safety torsion spring are respectively connected to the safety block and the lock body. The torsion of the safety torsion spring makes the dial head tighten the card point, thereby fixing the card board .

In the above-mentioned silent automatic lock for quick unlocking, the actuating head is in a "V" shape.

In the above-mentioned silent automatic lock for quick unlocking, the pressing direction of the actuating head intersects with the moving direction of the above-mentioned karaoke plate.

In the above-mentioned silent automatic lock for quick unlocking, both ends of the lock body are provided with heaven and earth rods.

Compared with the prior art, the present invention can unlock the deadbolt and the bolt at one time through the key or the handle, which is fast and convenient to unlock, and the bolt can pop out quickly and smoothly after unlocking; the locking mechanism locks the deadbolt plate securely; The locking tongue can be locked quickly, and the locking is fast and convenient; the setting of the balanced torsion spring can effectively ensure that the locking tongue is stretched out in place when locking, and the locking is reliable; under the action of the damper, the locking tongue moves smoothly, which not only can Effective anti-collision, prolonging the service life, and reducing noise; the insurance mechanism reliably ensures the locking of the deadbolt plate in the locked or unlocked state.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of rotating assembly;

Figure 3 is a side view of the rotating assembly;

Fig. 4 is the structural representation of clutch;

Fig. 5 is a structural schematic diagram of the quick locking mechanism;

Fig. 6 is the structural representation of deadbolt plate;

Fig. 7 is the structural representation of Kara plate;

Fig. 8 is a structural schematic diagram of the lock body.

In the figure, 1. panel; 2. lock body; 3. deadbolt; 4. bolt plate; 5. oblique bolt; 6. oblique tongue plate; 7. chute; 8. first guide rod; Spring; 10, second guide rod; 11, second spring; 12, transmission tooth; 13, drive tooth; 14, shift fork; 15, paddle; 16, clutch; 17, square hole transfer piece; ; 19, hinged plate; 20, dial pin; 21, pull plate; 22, extension spring; 23, grab hook; 24, bayonet pin; 25, stop torsion spring; 28, movable slot; 29, positioning gap; 30, locking gap; 31, guide hook; 32, rotating spring; 33, balance torsion spring; 34, damper; 35, damping rod; 36, insurance block; 37, insurance Spring; 38, dial head; 39, stuck point; 40, transmission part; 41, upper piece; 42, lower piece; 43, connecting pin; 44, arc groove; 42, limit point; 46, driving piece; 47 , drive pin; 48, clutch plate; 49, slide block.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figure 1, a silent automatic lock for quick unlocking provided by the present invention includes a panel 1, a lock body 2, a bolt 3, a bolt plate 4, a bolt 5, a bolt plate 6, a lock cylinder and a rotating assembly , The lock body 2 is also provided with a locking mechanism and a quick locking mechanism. Panel 1 is arranged on the front end of lock body 2, and panel 1 is provided with 3 holes of dead bolt and 5 holes of oblique bolt, and dead bolt 3 is fixed on the front end of deadbolt plate 4. block 49, the lock body 2 is provided with a chute 7 corresponding to the slide block 49 one by one, as shown in Figure 8, the left and right ends of the deadbolt plate 4 are also provided with a first thrust assembly, and the first thrust assembly includes the first thrust assembly A guide rod 8 and the first spring 9 sleeved on the first guide rod 8, one end of the first guide rod 8 is fixed on the lock body 2, and the other end is passed through the dead bolt plate 4, the first guide rod 8 The extension direction of the lock tongue 3 is consistent with the extension direction of the lock tongue 3, and the first spring 9 compresses the spring against the lock body 2 and the lock tongue plate 4, and the first spring 9 can push the lock tongue plate 4 to drive the lock tongue 3 to move forward and stretch out. Dead bolt 3 holes; The oblique tongue plate 6 is provided with a guide groove, and the lock body 2 is provided with a guide column pierced in the guide groove, and the opening direction of the guide groove is consistent with the direction of movement of the oblique tongue 5, and the guide column and the guide groove are not only It has a guiding effect on the direction of movement of the latch plate 6, and also limits the limit movement position of the latch latch plate 6. A second thrust assembly is provided between the latch latch plate 6 and the lock body 2, and the second thrust assembly includes a second Guide rod 10 and the second spring 11 sleeved on the second guide rod 10, one end of the second guide rod 10 is fixed on the lock body 2, and the other end is pierced on the tongue plate 6, the extension of the second guide rod 10 The direction is consistent with the extension direction of the latch tongue 5, and the second spring 11 compresses and springs against between the lock body 2 and the latch tongue plate 6; the first guide rod 8 and the second guide rod 10 are parallel.

As shown in Figures 1 to 4, the rotating assembly is arranged in the middle of the lock body 2, between the two first guide rods 8, and the rotating assembly includes a transmission tooth 12, a driving tooth 13, a transmission member 40, a shift fork 14, a dial Plate 15, clutch part 16 and square hole transfer part 17, transmission part 40 includes upper plate 41 and lower plate 42 arranged up and down, and transmission gear 12, upper plate 41, driving tooth 13 and lower plate 42 are arranged in sequence from top to bottom And all concentrically are arranged on a rotating shaft 18, transmission tooth 12 is fixed on the upper sheet 41 and is connected with rotating shaft 18, and the bottom surface of lower sheet 42 is provided with a hinged plate 19, and the two ends of hinged plate 19 are respectively connected with lower sheet 42, The deadbolt plate 4 is hinged, and the rotating lower piece 42 can drive the deadbolt plate 4 to move forward and backward through the hinged plate 19. The upper piece 41 and the lower piece 42 are fixedly connected by a plurality of connecting pins 43, and the driving teeth 13 are provided with connecting pins. 43 corresponds to the arc groove 44 one by one, and the corresponding connecting pin 43 is installed in the corresponding arc groove 44. It is concentric with the rotation center of the drive tooth 12, so it can ensure that the drive tooth 13 and the drive tooth 12 rotate concentrically, and the drive tooth 13 can rotate relative to the transmission member 40 within the range of the arc groove 44, and can also push the transmission member by the upper connecting pin 43 40 rotate synchronously, otherwise connecting pin 43 also can promote driving tooth 13 to rotate synchronously by arc groove 44 ends; The rotation of the key can drive the gear to rotate, thereby driving the drive tooth 13 to rotate.

One end of the shift fork 14 is provided with external teeth and is externally meshed with the transmission teeth 12. The other end of the shift fork 14 is concentrically arranged with the paddle 15, the clutch part 16 and the square hole rotating part 17. The rotation center of the shift fork 14 is located in the transmission gear. On the upper right side of the tooth 12, two square hole rotating parts 17 are arranged concentrically up and down. The clutch part 16 includes three clutch plates 48 arranged in sequence from top to bottom. 14 is fixed on the upper clutch plate 48, and the square hole transfer piece 17 at the top is arranged in the inner holes of the shift fork 14, the upper clutch plate 48 and the middle clutch plate 48, and the paddle 15 is located at the middle clutch plate 48 and the lower clutch plate 48 Between, the square hole transfer piece 17 below is positioned at the inner hole of paddle 15 and clutch plate 48 below; Both are provided with two symmetrically arranged convex limit points 45. The center of the square hole transfer piece 17 is provided with a square hole for connecting the handle square steel. The outer circumference of the square hole transfer piece 17 is surrounded by two arc surfaces and two planes. Formed, and the two arc surfaces and the two planes are respectively symmetrical, the two arc surfaces are concentric and the circumference diameter of the composite is adapted to the diameter of the inner hole of the plectrum 15, and the two limit points 45 in the same inner hole are located on the square hole rotating part. On both sides, the square hole rotating part can rotate within the range between the two limit points 45 or lean on the limit point 45 to push the limit point 45 to rotate synchronously. Under the connection of the square steel, the upper and lower square hole rotating parts 17 The position and state are always consistent; one end of the plectrum 15 is provided with a drive piece 46, and the drive tooth 13 is provided with a drive pin 46, and the drive piece 46 blocks the counterclockwise movement path of the drive pin 46, and the other end of the plectrum 15 is provided with The dial pin 20 is provided with a concave groove on the right side of the oblique tongue plate 6, and the dial pin 20 leans against the inner wall of the groove, and the clockwise rotation of the plectrum 15 can drive the oblique tongue plate 6 to move so that the oblique tongue 5 moves toward the lock body 2 Inward retraction, when the latch tongue 5 pops up under the action of the second spring 11, the latch tongue plate 6 can reversely push the dial pin 20 to make the plectrum 15 rotate counterclockwise and return to its position.

When both the dead bolt 3 and the oblique bolt 5 are stretched out and are in the locked state, the limit points 45 of the inner holes of the plectrum 15 all lean on the lower square hole rotating piece 17, and one of them is located on the right side of the square hole turning piece 17 At the front, the other is located at the left rear of the square hole transfer piece 17. At the same time, the limit point 45 of the shift fork 14 and the clutch plate 48 are all located at the same position of the upper limit point 45 of the plectrum 15, so turn the square hole clockwise The rotating part 17 can make the paddle 15 and the shift fork 14 rotate synchronously. At this time, the shift fork 14 is in the closed position; The limit points 45 of the inner hole all lean on the square hole rotating piece 17, and one of them is located at the right front portion of the square hole rotating piece 17, and the other is positioned at the left side rear portion of the square hole rotating piece 17, and the shift fork 14 and the limit point 45 of the inner hole of the clutch 16, one of which is located at the right rear part of the square hole rotating part 17, and the other is located at the left side front part of the square hole rotating part 17, so the clockwise rotation of the square hole rotating part 17 can only make plectrum 15 rotate independently, and shift fork 14 does not move, and now shift fork 14 is in leaving the station.

The locking mechanism comprises a pull plate 21, an extension spring 22, a grab 23, a bayonet pin 24 and a locking torsion spring 25. The pull plate 21 is positioned at the rear side of the lock body 2, and the extension spring 22 is positioned at the right end of the pull plate 21. The lock body 2 There are fixed pins on it, and the two ends of the tension spring 22 are respectively connected to the pull plate 21 and the fixed pin and are in a stretched state. The pull spring 21 is provided with three limiting grooves 26 from left to right, as shown in Figure 7. Each limiting groove 26 is provided with a limiting column 27, and the limiting column 27 is vertically fixed on the lock body 2, and the extending direction of the limiting groove 26 is perpendicular to the moving direction of the dead bolt 3, i.e. extending from left to right, Cara board 21 is provided with movable groove 28 for sliding block 49 to pass through at the corresponding position of deadbolt plate 4 slide block 49 one by one, and slide block 49 passes through movable groove 28 and chute 7 successively from top to bottom, and chute 7 and the extension direction of the movable groove 28 are all consistent with the direction of motion of the dead bolt 3, and the two ends of the movable groove 28 are provided with positioning gaps 29, and the two positioning gaps 29 on the same movable groove 28 are all located on the left side of the movable groove 28. When the slider 49 moves to one end of the movable groove 28, under the elastic force of the above-mentioned extension spring 22, the pull plate 21 can move to the right along the extension direction of the above-mentioned limiting groove 26 so that the slider 49 is located at the positioning gap 29 at the end of the movable groove 28 Inside and the slider 49 is close to the positioning notch 29. At this time, the movable groove 28 and the corresponding lower chute 7 are staggered left and right. The position of the front and rear positioning notch 29 is the limit position of the slider 49. When the state is switched to the unlocked state, the slider 49 will move from the positioning notch 29 at the front end to the positioning notch 29 at the rear end, and the slider 49 will move from the positioning notch 29 into the movable groove 28 and push the card plate 21 to the left through the movable groove 28 Move, so every time the locking and unlocking state is switched, the kara board 21 will move left and right once, first move to the right, and then move to the left to reset.

Grab hook 23 is positioned at the right side of inclined tongue plate 6, and as shown in Figure 6, the right end of grab 23 is rotated and arranged on the dead bolt plate 4, and there is a locking notch 30 on the dead bolt plate 4, and the locking notch 30 is " 7", the hook 23 is located on the upper part of the word "7", and the hook 23 is provided with a hook groove. The above-mentioned locking torsion spring 25 springs against the hook 23 and the tongue plate 4, and the locking pin 24 is fixed on the On the pull plate 21, when the lock tongue 3 retracts, the movement of the pull plate 21 and the lock tongue plate 4 are coordinated, that is, the bayonet 24 moves left and then right with the pull plate 21, and the lock tongue plate 4 moves backward. , make the locking pin 24 slide upward from the lower part of the "7" into the locking notch 30 relative to the locking notch 30 and push the hook 23 to rotate clockwise during the sliding process to gradually increase the torsion force of the locking torsion spring 25, Until it falls into the hook groove of the hook 23 and locks. Because the bottom of bayonet pin 24 blocks on the inner wall of bayonet notch 30, deadbolt plate 4 cannot move forward, and bayonet 24 needs to move to the left to break away from bayonet notch 30, and grab 23 limits bayonet pin 24 to the left again. movement, so the deadbolt plate 4 can be locked.

As shown in Figures 1 and 5, the quick locking mechanism includes a guide hook 31 and a rotary spring 32. The right side of the front end of the guide hook 31 is rotated on the tongue plate 6 and the left side of the end is connected with one end of the rotary spring 32, rotates The other end of spring 32 is connected on the dial pin 20 that is positioned at the right side of guide hook 31; There is a drag hook, and the drag hook includes a plurality of hook teeth, and the slant tongue plate 6 is provided with a vertical stopper, and a limit gap is left between the bottom of the right side of the stopper plate and the upper surface of the slant tongue plate 6, and the guide hook 31 is worn on the slant tongue plate 6. Move in this limit gap, and the right side of the limit plate extends to the right front to ensure that the guide hook 31 is also located in the limit gap when it rotates. The limit gap ensures that the guide hook 31 will not tilt, and the second guide rod 10 The front end is pierced on the limit piece; the guide hook 31 is located on the side of the dial pin 20, and a guide edge is provided. The guide edge is arc-shaped. Under the action of the rotating spring 32, the guide edge always leans against the dial pin 20. 5. When it is retracted into the lock body 2, the guide hook 31 moves with the deadbolt plate 4 and rotates counterclockwise under the action of the guide edge through the limit function of the dial pin 20 until the pull hook hooks the above-mentioned hook 23. Let go of the bolt 5, and the bolt 5 will pop out under the action of the second spring 11, and at the same time drive the hook 23 to rotate clockwise through the pull hook to break away from the above-mentioned bayonet pin 24, so that the deadbolt plate 4 is under the action of the first spring 9. Eject under the effect; And when the above-mentioned plectrum 15 drives the hatch 6 to move to open the hatch 5, because the striker pin 20 moves together with the hatch 6, so the guide hook 31 will not rotate, and will not be locked.

Because when the dead bolt 3 is stretched out, the elastic force of the two first springs 9 will become smaller, and the dead bolt 3 may not stretch out in place, so the rotating shaft 18 of the transmission tooth 12 is provided with a balance torsion spring 33, and the lock The body 2 is provided with a positioning pin, one end of the balance torsion spring 33 is hooked on the positioning pin, and the other end is connected to the transmission part 40, and the active force of the balance balance torsion spring makes the transmission part 40 stretch out to the driving dead bolt 3. The direction of rotation of the bolt 3 tends to rotate. During the extension process of the bolt 3, the force gradually increases, and the total resultant force of the two first springs 9 and the balance torsion spring 33 acting on the bolt plate 4 remains unchanged, and the bolt 3 stretches out. , the two first springs 9 elastic forces gradually decrease, and the balance torsion spring 33 forces gradually increase to ensure that the dead bolt 3 moves in place.

The dead bolt plate 4 is also provided with a damper 34, the damper 34 is provided with a damper rod 35, and one end of the damper rod 35 stretches forward from the damper 34 and pushes against the panel 1, and when the dead bolt 3 stretches out, , The damper 34 has a buffering effect on the deadbolt plate 4, so that the deadbolt plate 4 moves smoothly, avoids the collision of the deadbolt 3, and has a mute effect.

The lock body 2 is also provided with a safety mechanism, which includes a safety block 36 and a safety spring 37. The safety block 36 is positioned at the left end of the pull plate 21 and is rotated on the lock body 2. The pull plate 21 is provided with a lock At point 39, the safety block 36 is provided with a dial 38, the dial 38 is in a "V" shape, and the safety block 36 is rotated counterclockwise, the dial 38 can obliquely push down on the card point 39, and the two ends of the insurance torsion spring are respectively Connect the safety block 36 and the limit post 27 located at the left end of the pull plate 21. The torsion force of the safety torsion spring makes the toggle head 38 press against the clamping point 39, thereby fixing the pull plate 21 and limiting its left and right movement, and the dead bolt plate 4 will be locked every time. All the movement needs the left and right movement of the pull plate 21, so the lock plate 21 can be fixed to fix the deadbolt plate 4; the safety block 36 can be rotated clockwise to make the dial 38 leave the stuck point 39, and then it can be unlocked.

Both ends of the lock body 2 are provided with heaven and earth rods. When the lock tongue 3 pops up, the left sky and earth rod protrudes to the left, and the right sky and earth rod protrudes to the right. indentation.

work process:

When the key is unlocked, the shift fork 14 is in the combined position, the key is turned, and the gear drives the driving tooth 13 to rotate counterclockwise, and the driving tooth 13 leans against the connecting pin 43 to drive the transmission member 40 and the transmission tooth 12 to rotate, thereby driving the hinged plate 19 Pull the bolt plate 4 after the movement, the rotation of the drive tooth 12 will drive the shift fork 14 to rotate clockwise, and at the same time, during the movement of the drive tooth 13, the drive pin 46 on it will push the pick 15 clockwise through the drive piece 46 of the pick 15 Rotate, thereby using the dial pin 20 on the plectrum 15 to rotate clockwise, push the latch plate 6 to move inward, and retract the latch bolt 5, when the latch plate 4 moves in place, that is, the bolt on the latch plate 4 After the hook 23 clamps the bayonet pin 24 on the pull plate 21, the slant tongue 6 will move forward under the thrust of the second spring 11 to make the slant tongue 5 pop out, and the slant tongue 6 will pass through during the movement. The dial pin 20 makes the dial 15 rotate counterclockwise back to its position, and the dial 15 will also drive the driving tooth 13 to rotate clockwise back to its position during the rotation of the dial 15 .

When the handle is unlocked, the shift fork 14 is in the closed position at this time, the handle drives the square hole rotating piece 17 to rotate clockwise through the square steel, the shift fork 14 and the paddle 15 rotate clockwise synchronously, and the paddle 15 is pushed by the dial pin 20 The oblique tongue plate 6 moves inward and retracts the oblique bolt 5, and the shift fork 14 drives the transmission member 40 to rotate counterclockwise through the transmission tooth 12, thereby driving the hinge plate 19 to move and pull the bolt plate 4 to retract the bolt 3, when the bolt After the plate 4 is in place, as above, the latch tongue 6 will move forward under the thrust of the second spring 11 to make the latch tongue 5 pop out, and the latch tongue 6 will make the pick 15 counterclockwise through the dial pin 20 during the movement. Rotate back into place.

When locking, closing the door bumps the latch bolt 5 to drive the latch bolt 6 to move, while the plectrum 15 does not move at this time. During the movement of the latch latch 6, the guide plate will move counterclockwise under the guidance of the dial pin 20. Rotate and rotate while moving inward until the draw hook on the guide plate catches the grab hook 23 located on the right side of the guide plate. The tongue 5 moves in the extending direction, so that the hook 23 can be rotated clockwise by the pull hook to break away from the bayonet pin 24. At this time, the dead bolt plate 4 moves in the extending direction of the dead bolt 3 under the thrust of the first spring 9 and drives the karaage plate. 21 moves to the left, so that the bayonet pin 24 is separated from the above-mentioned locking notch 30, and the dead bolt plate 4 drives the dead bolt 3 to eject smoothly.

It should be understood that in the claims and description of the present invention, all "comprising..." should be understood as an open meaning, that is, its meaning is equivalent to "at least containing...", and should not be understood as a closed Meaning, that is, its meaning should not be understood as "contains only...".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (10)

1. A silent automatic lock for quick unlocking, including a panel (1), a lock body (2), a bolt (3), a bolt plate (4), a bolt bolt (5) and a bolt bolt plate (6), the lock The tongue plate (4) and the bolt tongue plate (6) are all slidably arranged on the lock body (2), the dead bolt (3) is fixedly connected with the dead bolt plate (4) and the dead bolt (3) can be lifted from the panel (1). The locking bolt (3) hole is protruded or retracted, the bolt (5) is fixedly connected with the bolt plate (6) and the bolt (5) can protrude from the hole of the bolt (5) on the panel (1) or Indentation, the lock body (2) is respectively provided with the first thrust assembly and the second thrust assembly which make the deadbolt (3) and the oblique tongue (5) have a tendency to protrude, and the lock body (2) is also provided with There is a lock cylinder and a rotating assembly that drives the movement of the dead bolt (3) and the oblique tongue (5), and the lock cylinder is provided with gears, and it is characterized in that the rotating assembly includes transmission teeth (12), drive teeth (13), The transmission part (40), the shift fork (14) and the plectrum (15), the transmission tooth (12) is arranged on the lock body (2) through a rotating shaft (18) rotation, the driving tooth (13) and the transmission part (40) Concentrically set on the rotating shaft (18), the transmission part (40) is fixedly connected with the transmission gear (12), the transmission part (40) is provided with a limit part, the drive tooth (13) is externally meshed with the above-mentioned gear, and the drive tooth (13) ) can rotate relative to the transmission part (40) and push the transmission part (40) to rotate synchronously by the upper limit part. The transmission part (40) is connected with the above-mentioned deadbolt plate (4) through the connection structure. One end is provided with external teeth and is externally meshed with the above-mentioned transmission teeth (12), and the other end of the shift fork (14) is concentrically rotated with the above-mentioned plectrum (15) and is arranged on the lock body (2), and the rotation center of the two is provided for Connect the square hole transfer piece (17) of the handle, the shift fork (14), the plectrum (15) and the square hole transfer piece (17) are connected by a clutch structure transmission, and the lock body (2) is provided with a shift fork (14 ) in the combined position and the separated position, when the shift fork (14) is in the combined position, the dead bolt (3) is in the locked state, and the handle can drive the paddle (15 ) is synchronously driven with the shift fork (14). When the shift fork (14) is at the off-station position, the lock tongue (3) is in the unlocked state, and the unlocking can drive the pick piece (15) to rotate independently through the rotation of the square hole rotating piece (17) , one end of the plectrum (15) is provided with a drive piece (46), the above-mentioned drive tooth (13) is provided with a drive pin 46, and the drive piece (46) is blocked on the movement path of the drive pin 46 when unlocking, the plectrum (15) There is a dial pin (20) on the other end, and the dial pin (20) leans against the above-mentioned latch tongue plate (6) and can rotate with the plectrum (15) to drive the latch tongue plate (6) to make the latch tongue (5) Indent, when the latch tongue (5) ejects under the effect of the above-mentioned second thrust assembly, the latch tongue plate (6) can reversely drive the dial pin (20) to make the plectrum (15) return. 2. A silent automatic lock for quick unlocking according to claim 1, characterized in that, the transmission member (40) includes an upper piece (41) and a lower piece (42) arranged up and down, and the above-mentioned limiting part For connecting pins (43), connecting pins (43) are provided with a plurality of, upper sheet (41) and lower sheet (42) are fixedly connected by a plurality of connecting pins (43), and above-mentioned driving tooth (13) is arranged on upper sheet ( 41) and the lower piece (42), the driving tooth (13) is provided with an arc-shaped groove (44) corresponding to the connecting pin (43) one by one, and the corresponding connecting pin (43) is passed through the corresponding arc-shaped groove ( 44) inside. 3. A silent automatic lock for quick unlocking according to claim 1 or 2, characterized in that, the clutch structure includes a clutch (16), the clutch (16) and the above-mentioned square hole rotating part (17 ), shift fork (14), shift piece (15) are arranged concentrically, shift fork (14) is fixed on the clutch (16), and clutch (16), shift fork (14) and shift piece (15) all have Circular inner holes of the same size, the inner holes of the clutch (16), the shift fork (14) and the paddle (15) are provided with two symmetrically arranged inner convex limit points, the clutch (16) Coinciding with the projection of the limit point on the shift fork (14) along the centerline of the above-mentioned inner hole, the square hole rotating piece (17) is located in each inner hole, and the two limit points in the same inner hole are respectively located on the side of the square hole rotating piece. On both sides, the square hole transfer piece (17) can rotate within the range between the two limit points or lean on the limit point to push the limit point to rotate synchronously. The projections of the two limit points on the two limit points and the plectrum (15) coincide along the centerline of the inner hole. The projections of the two limiting points along the centerline of the inner hole are symmetrical. 4. A quick-unlocking silent automatic lock according to claim 1 or 2, characterized in that, the automatic lock is also provided with a locking mechanism that makes the above-mentioned deadbolt (3) retracted into place and then locked. The locking mechanism includes a pull plate (21), an extension spring (22), a grab (23), a bayonet pin (24) and a locking torsion spring (25), and the two ends of the extension spring (22) are connected to the above-mentioned lock body respectively. (2) and on the pull plate (21) and in a stretched state, the pull plate (21) is connected to the lock body (2) through a limit structure, and under the effect of the limit structure, the pull plate (21) can only be opposite to the lock body (2) Move back and forth along the direction perpendicular to the direction of motion of the deadbolt (3), the above-mentioned deadbolt plate (4) is provided with a slider (49), and the lock body (2) is provided with a slide for the slider (49) The chute (7), the position corresponding to the chute (7) on the cardboard (21) is provided with the movable groove (28) for the slide block (49) to pass through, and the extending direction of the chute (7) and the movable groove (28) All are consistent with dead bolt (3) motion direction, and the two ends of movable groove (28) are all provided with positioning gap (29), and two positioning gaps (29) on the same movable groove (28) are positioned at this movable groove (28) On the same side, when the lock tongue (3) switches between the locked and unlocked states, the slider (49) will move from the positioning notch (29) at one end of the movable slot (28) to the positioning notch (29) at the other end , and when the slider (49) slides out of the positioning gap (29), it will push the pull plate (21) to move in the direction of stretching the above-mentioned extension spring (22), and when the slider (49) slides into the positioning gap (29), it will Under the action of the extension spring (22), the pull plate (21) will move and reset toward the direction of the compression extension spring (22), and the described grab (23) is rotated and arranged on the deadbolt plate (4), and the bayonet pin (24) It is fixed on the cardboard (21), and there is a locking notch (30) on the deadbolt plate (4). The locking notch (30) is in the shape of "7", and the above-mentioned hook (23) is located On the upper part, the hook (23) is provided with a hook groove. When the lock tongue (3) is retracted, the movement of the pull plate (21) and the movement of the lock tongue plate (4) are matched, and the bayonet pin (24) is relatively locked. The notch (30) slides upwards into the notch (30) from the bottom of the word "7" and in the process of sliding, the hook (23) is rotated in the direction of increasing the torsion force of the torsion spring (25) until it falls. Into the hook groove of grab (23), the hook groove has limited bayonet pin (24) to move to the direction of stretching above-mentioned extension spring (22) with pull plate (21), thereby fix deadbolt plate (4). 5. A kind of silent automatic lock for quick unlocking according to claim 4, characterized in that, said automatic lock is also provided with a quick locking mechanism, which includes a guide hook (31) and a rotating spring ( 32), one side of one end of the guide hook (31) is rotated on the above-mentioned tongue plate (6) and the other side of the end is connected with one end of the rotary spring (32), and the other end of the rotary spring (32) is connected to the On the above-mentioned dial pin (20) on one side of the guide hook (31), the other end of the guide hook (31) extends along the retracting direction of the oblique tongue (5) and this end is provided with a drag hook, and the guide hook (31) is located at the dial pin ( The side of 20) is provided with a guide edge, under the action of the rotating spring (32), the guide edge always leans against the dial pin (20), when the latch tongue (5) is pressed, it shrinks toward the lock body (2) When advancing, the guide hook (31) moves with the slant tongue (6) and rotates simultaneously under the action of the guide edge through the limiting effect of the dial pin (20), until the above-mentioned grab hook (23) is placed on the pull hook Open the oblique tongue (5), and the oblique tongue (5) is ejected under the action of the second thrust assembly, and at the same time drives the hook (23) to rotate through the pull hook to break away from the above-mentioned bayonet pin (24), so that the deadbolt plate (4) is on the above-mentioned Ejected under the action of the first thrust assembly. 6 . The silent automatic lock for quick unlocking according to claim 5 , characterized in that, the dial pin ( 20 ) and the above-mentioned rotating assembly are arranged on both sides of the above-mentioned guide hook ( 31 ). 7. A silent automatic lock for quick unlocking according to claim 5, characterized in that, a limit piece is provided on the said slant tongue (6), and a space is left between the limit piece and the slant tongue (6). There is a limit gap to prevent the end of the pull hook of the above-mentioned guide hook (31) from upturning, and the guide hook (31) is always worn to move in the limit gap. 8. A quick unlocking silent automatic lock according to claim 1 or 2, characterized in that, the first thrust assembly includes a first guide rod (8) and a first guide rod (8) On the first spring (9), one end of the first guide rod (8) is fixed on the above-mentioned lock body (2), and the other end is worn on the bolt plate (4), and the extension of the first guide rod (8) The direction is consistent with the direction of movement of the deadbolt (3), and the first spring (9) compresses and leans between the lock body (2) and the deadbolt plate (4). The two ends of the tongue plate (4), the above-mentioned transmission member (40) is located between the two groups of first thrust assemblies, the above-mentioned rotating shaft (18) is provided with a balance torsion spring (33), and the lock body (2) is provided with a positioning pin One end of the balance torsion spring (33) is connected to the locating pin, and the other end is connected to the transmission part (40). The active force of the balance torsion spring (33) makes the transmission part (40) have a direction to drive the dead bolt (3) The direction that stretches out has a tendency to rotate, and during the stretching out process of the dead bolt (3), the active force increases gradually. 9. A quick-unlocking silent automatic lock according to claim 1 or 2, characterized in that a damper (34) is also provided on the deadbolt plate (4), and a damper (34) is provided on the damper (34). There is a damping rod (35), and one end of the damping rod (35) stretches out from the damper (34) and pushes against the above-mentioned panel (1), and the extension direction of the damping rod (35) is in line with the moving direction of the deadbolt plate (4). unanimous. 10. A silent automatic lock for quick unlocking according to claim 4, characterized in that, the lock body (2) is also provided with a safety mechanism, which includes a safety block (36) and a safety spring ( 37), the safety block (36) is rotated and arranged on the lock body (2), the above-mentioned karaoke plate (21) is provided with a card point (39), the safety block (36) is provided with a toggle (38), and the toggle ( 38) Can stand on the card point (39), the two ends of the safety torsion spring are respectively connected to the safety block (36) and the lock body (2), the torsion of the safety torsion spring makes the dial (38) press against the card point (39) , thereby fixing the Kara plate (21).