CN207144662U - A lock body with a built-in clutch structure - Google Patents

Abstract

The utility model discloses a lock body with a built-in clutch structure, comprising a cover plate, a latch bolt component, a square bolt component, a lock core poking and picking part, a bottom box and a shifting fork device arranged in the bottom box; the shifting fork device comprises a gear transmission piece, an upper shifting block, a reversing screw, a middle shifting block and a lower shifting block, wherein the reversing screw is fixed on the middle shifting block; a gear shifting piece assembly for shifting connection is formed between the shifting fork device and the square tongue assembly, and the shifting fork device drives the gear shifting piece assembly to deflect through a gear transmission piece so as to control the square tongue assembly to extend out and retract; the bottom box is also internally provided with a mechanism which can realize the simultaneous rotation or separation of the middle shifting piece of the electric control shifting fork device and one of the upper shifting peach and the lower shifting peach by clutching, so as to control the retraction of the square bolt component and realize the function of opening the door.

Description

A lock body with a built-in clutch structure

【Technical field】

The utility model relates to the lock industry, in particular to a lock body with a built-in clutch structure.

【Background technique】

Most of the electronic locks currently on the market are complex in process, high in cost, and single in performance, and cannot realize multiple door opening methods inside and outside the door, and are not suitable for the current market demand. There is an urgent need to develop a clutch control lock with novel structure and better functions.

【Content of utility model】

In order to solve the above technical difficulties, the utility model provides a lock body with a built-in clutch structure with simple process, low cost, adjustable manual unlocking direction and multiple unlocking methods.

The technical scheme that the utility model solves its technical problem adopts is:

A lock body with a built-in clutch structure, comprising a cover plate, an oblique tongue assembly, a square tongue assembly, a lock cylinder dial, a bottom box and a fork device arranged in the bottom box, the fork device includes a gear transmission piece, The upper dial, the reversing screw, the middle dial and the lower dial, the reversing screw is fixed on the middle dial, the gear drive piece is set on the upper side of the upper dial with the same axis, and the middle dial and the lower dial are the same. The axis is sleeved on the lower side of the upper peach;

A gear paddle assembly with a toggle connection relationship is formed between the shift fork device and the square tongue assembly. The gear paddle assembly is fixed on the pin shaft on the bottom box for rotation, and one end of the gear paddle assembly is connected to the gear of the shift fork device. The transmission piece meshes, and the other end of the gear paddle assembly is provided with a push-pull arm that pushes the square tongue assembly out or retracts the bottom box. The fork device drives the gear paddle assembly to deflect through the gear transmission piece to control the movement of the square tongue assembly. extend and retract;

The end of the inclined tongue assembly is matched with the upper dial and the lower dial respectively, and the upper dial or the lower dial on the fork device is pressed down to respectively move the inclined tongue assembly and retract it into the bottom box;

The reversing screw is fixed on the outside or inside of the middle paddle. When the reversing screw is fixed on the outside of the middle paddle, the upper dial drives the middle paddle to rotate through the reversing screw. The reversing screw is fixed on the inner side of the middle paddle. The dial drives the middle paddle to rotate through the reversing piece;

When the handle connected to the shift fork device turns, it drives the up dial or the down dial to rotate. When the up dial or the down dial drives the oblique tongue assembly to retract, the up dial or the down dial also drives the middle dial through the reversing screw. The middle paddle drives the gear transmission piece, and the gear transmission piece drives the gear paddle assembly to stir the square tongue assembly to retract and open the door.

Preferably, the bottom box is also provided with a lock cylinder unlocking piece, a motor, a clutch push piece and a clutch pin, the lock cylinder lock piece cooperates with the lock cylinder dial, and the motor drives the clutch push piece to move linearly inside the bottom box Movement, the left side of the clutch push piece is provided with an arc-shaped track chute, the middle paddle is provided with a limit slot corresponding to the track chute, and a clutch pin is pierced through the track chute and the limit slot; when opening the door , the information card equipped with the lock key gives a corresponding signal to the motor on the lock. After the motor receives the correct signal, it is energized and rotates. The lock cylinder unlocking piece and the clutch push piece on the box move laterally, and the clutch push piece drives the clutch pin set in the track chute on the upper side and the limit slot hole of the middle pick piece to enter the rotation of the upper dial or the lower dial. In the track, when pressing down to rotate the upper dial or the lower dial, the rotation of the upper dial or the lower dial will push the clutch pin blocked in its rotation track to drive the middle paddle to rotate synchronously, and the rotation of the middle paddle will drive the gear transmission piece And the gear paddle assembly rotates to stir the square tongue assembly to retract and open the door.

Preferably, the lock body also includes an upper sky hook and a lower sky hook, the upper sky hook and the lower sky hook are arranged on the bottom side of the bottom box and protrude from the upper side and the lower side of the bottom box respectively, and the lower sky hook is provided by the square hook. The tongue assembly is driven to protrude or retract to the bottom box. There are gears located between the upper sky hook and the lower sky hook at the junction of the upper sky hook and the lower sky hook and the upper and lower sides are meshed with the upper sky hook and the lower sky hook respectively. , the gear is rotated and fixed on the bottom box, and the lower world hook is driven by the gear to extend or retract the upper world hook synchronously from the bottom box.

Preferably, a reversing piece is installed in the bottom box to facilitate the reversing operation of the latch tongue assembly protruding from the liner at the side of the bottom box after being rotated upwards.

The beneficial effects of the utility model are:

For the lockset corresponding to the utility model, both the upward or downward dial can move the square tongue plate assembly to lock the door; when the upper dial or the lower dial is lifted, the gear drive plate drives the gear plate assembly to deflect, and then drives the square tongue assembly to lock the door. The tongue assembly extends to lock the door.

When indoors, when opening the door inside the door (the square tongue assembly stretches out at this time), turn the shift fork device downwards clockwise, and quickly open the door lock through the shift fork device and the gear paddle assembly; when outdoors, the square tongue assembly and When the latch tongue assembly is fully extended and the door is closed, the door is closed by the motor clutch to open the door. The motor energized by the external link signal pushes the clutch push piece, and the clutch push piece drives the clutch pin. At this time, the clutch pin is in the closed state. Turn the upper dial downward, and the upper dial drives the clutch pin and at the same time drives the middle pick to rotate, thereby achieving the effect of opening the door.

In addition, outside the door, the key can be used to turn the lock cylinder to turn the peach, the lock cylinder to push the lock cylinder to push the lock piece, the lock cylinder unlock piece drives the clutch push piece to move laterally, and the clutch push piece drives the clutch pin. At this time, the clutch pin is also in position. In the closed state, it also achieves the function of opening the door outside the door, and realizes various door opening control methods.

【Description of drawings】

Fig. 1 is the explosion structure schematic diagram of the present utility model;

Fig. 2 is a partial exploded structure schematic diagram of the utility model;

Fig. 3 is a diagram of the assembly and connection structure inside the bottom shell of the utility model;

Fig. 4 is a three-dimensional structural schematic diagram of the extension of the latch tongue assembly of the present utility model;

Fig. 5 is a schematic diagram of the front view of the retracted tongue assembly and the square tongue assembly of the utility model;

Fig. 6 is a partial structural diagram when both the oblique tongue assembly and the square tongue assembly of the utility model are retracted;

Fig. 7 is a schematic diagram of the front view of the utility model when both the oblique tongue assembly and the square tongue assembly are stretched out;

Fig. 8 is a schematic diagram of the assembly and connection relationship when the latch tongue assembly of the utility model is extended.

【Detailed ways】

A lock body with a built-in clutch structure, as shown in Figures 1 to 8, including a cover plate 1, an oblique tongue assembly 2, a square tongue assembly 3, a lock cylinder dial 4, a bottom box 5, an upper sky hook 6, a lower The sky and earth hook 7 and the fork device 8 arranged in the bottom box 5, the upper sky and earth hook 6 and the lower sky and earth hook 7 are arranged on the bottom side of the bottom box 5 and protrude from the upper side and the lower side of the bottom box 5 respectively, wherein the lower sky and earth The hook 7 is driven by the square tongue assembly 3 to protrude or retract into the bottom box 5. The joints of the upper and lower hooks 6 and 7 are respectively located between the upper and lower hooks, and the upper and lower sides are respectively The gear 9 meshed with the upper heaven and earth hook 6 and the lower heaven and earth hook 7 is rotated and fixed on the bottom box 5, and the lower heaven and earth hook 7 drives the upper heaven and earth hook 6 to synchronously stretch out or retract in the bottom box 5 through the gear 9.

Continue as shown in Figures 1 to 8, the fork device 8 includes a gear transmission piece 80, an upper dial 81, a reversing screw 82, a middle dial 83 and a lower dial 84, and the reversing screw is fixed on the middle dial 83 , the gear drive piece 80 is coaxially set on the upper side of the upper dial 81, the middle dial 83 and the lower dial 84 are coaxially sleeved on the lower side of the upper dial 81; the shift fork device 8 and the square Tongue assembly 3 forms the gear paddle assembly 10 of dialing connection relation, and gear paddle assembly 10 is fixed on the pin shaft on the bottom box in rotation, and one end of gear paddle assembly 10 and the gear transmission plate of shift fork device 8 80 meshing, the other end of the gear paddle assembly 10 is provided with a push-pull arm that pushes the square tongue assembly 3 out or retracts the bottom box, and the shift fork device 8 drives the gear paddle assembly 10 to deflect and then controls the Stretching and retracting of square tongue assembly 3.

Wherein, the end of the latch tongue assembly 22 cooperates with the upper dial 81 and the lower dial 84 respectively, and the upper dial 81 or the lower dial 84 on the shift fork device 8 presses down respectively to push the latch tongue assembly 2 back into the bottom box 5 inside; the reversing screw 82 is fixed on the outside or inside of the middle paddle 83, and when the reversing screw 82 is fixed on the outside of the middle paddle 83, the upper dial 81 drives the middle paddle 83 to rotate through the reversing screw, and the reversing screw 82 Fixed on the inner side of the middle plectrum 83, the downward dial 84 drives the middle plectrum 83 to rotate through the reversing piece.

During work, when the handle connected to the shifting fork device 8 rotates, the upper dial 81 or the lower dial 84 is driven to rotate, and when the upper dial 81 or the lower dial 84 drives the oblique tongue assembly 2 to retract, the upper dial 81 or the lower dial 84 is retracted. 84 also drives middle plectrum 83 by reversing screw 82, and middle plectrum 83 drives gear transmission piece 80, and gear transmission piece 80 drives gear plectrum assembly 10 to stir square tongue assembly 3 to retract and open the door.

In addition, as shown in Figures 1 to 8, the bottom box 5 is also provided with a lock cylinder unlocking piece 11, a motor 12, a clutch push piece 13 and a clutch pin 14, and the lock cylinder unlocking piece 11 cooperates with the lock cylinder dial 4 , the motor 12 drives the clutch push piece 13 to move in a straight line on the inside of the bottom box. An arc-shaped track chute 130 is provided on the left side of the clutch push piece 13, and the middle paddle 83 is provided with a limit corresponding to the track chute 130. Position slot 830, track chute 130 and limit slot 830 are pierced with a clutch pin 14; when opening the door, the information card equipped with the lock key gives a corresponding signal to the motor 12 on the lock, and after the motor 12 receives the correct signal Turn on the electricity and rotate, the motor 12 drives the clutch push piece 13 to move laterally at the same time, or use the key to push the lock cylinder unlocking piece 11 on the bottom box and the clutch push piece 13 to move laterally through the lock cylinder to pick 4 rotations, and the clutch push piece 13 drives its setting The clutch pin 14 in the track chute 130 on the upper side and the limit slot 830 of the middle paddle 83 enters the rotation track of the upper dial 81 or the lower dial 84, and presses down to rotate the upper dial 81 or the lower dial. At 84 o'clock, the upper dial 81 or the lower dial 84 rotate and then push the clutch pin 14 blocked in its orbit to drive the middle paddle 83 to rotate synchronously, and the middle paddle 83 rotates to drive the gear transmission piece 80 and the gear paddle assembly 10 Rotate and stir square tongue assembly 3 to retract and open the door. After closing the door, under normal circumstances, the clutch pin 14 in the front track chute 130 of the clutch push piece 13 and the limit slot 830 of the middle paddle 83 is outside the rotation track of the upper dial 81 or the lower dial 84, that is to say, Do not have correct signal to rotate for motor 12, can only drive up dialing peach 81 or down dialing peach 84 idling, can not open the door.

As shown in Fig. 1, Fig. 5 to Fig. 7, a reversing piece 15 is installed in the bottom box 5 to facilitate the reversing operation of the liner plate 50 on the side of the bottom box 5 where the latch tongue assembly 2 extends out after turning upwards.

When indoors, when opening the door inside the door (the square tongue assembly stretches out at this time), turn the shift fork device downwards clockwise, and quickly open the door lock through the shift fork device and the gear paddle assembly; when outdoors, the square tongue assembly and When the latch tongue assembly is fully extended and the door is closed, the door is closed by the motor clutch to open the door. The motor pushes the clutch push piece through the external link signal, and the clutch push piece drives the clutch pin. At this time, the clutch pin is in the closed state. Turn the upper dial downward, and the upper dial drives the clutch pin and at the same time drives the middle dial to rotate, thereby achieving the effect of opening the door.

The embodiments described above are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model. new type of protection.

Claims (4)

1. A lock body with a built-in clutch structure, comprising a cover plate, an oblique tongue assembly, a square tongue assembly, a lock cylinder dial, a bottom box and a fork device arranged in the bottom box, characterized in that, The shift fork device includes a gear transmission piece, an upper dial, a reversing screw, a middle dial and a lower dial, the reversing screw is fixed on the middle dial, and the gear transmission piece is coaxially set on the upper dial On the side, the middle dial and the lower dial are coaxially sleeved on the lower side of the upper dial; A gear paddle assembly with a toggle connection relationship is formed between the shift fork device and the square tongue assembly. The gear paddle assembly is fixed on the pin shaft on the bottom box for rotation, and one end of the gear paddle assembly is connected to the gear of the shift fork device. The transmission piece meshes, and the other end of the gear paddle assembly is provided with a push-pull arm that pushes the square tongue assembly out or retracts the bottom box. The fork device drives the gear paddle assembly to deflect through the gear transmission piece to control the movement of the square tongue assembly. extend and retract; The end of the inclined tongue assembly is matched with the upper dial and the lower dial respectively, and the upper dial or the lower dial on the fork device is pressed down to respectively move the inclined tongue assembly and retract it into the bottom box; The reversing screw is fixed on the outside or inside of the middle paddle. When the reversing screw is fixed on the outside of the middle paddle, the upper dial drives the middle paddle to rotate through the reversing screw. The reversing screw is fixed on the inner side of the middle paddle. The dial drives the middle paddle to rotate through the reversing piece; When the handle connected to the shift fork device turns, it drives the up dial or the down dial to rotate. When the up dial or the down dial drives the oblique tongue assembly to retract, the up dial or the down dial also drives the middle dial through the reversing screw. The middle paddle drives the gear transmission piece, and the gear transmission piece drives the gear paddle assembly to stir the square tongue assembly to retract and open the door. 2. A lock body with a built-in clutch structure according to claim 1, characterized in that, the bottom box is also provided with a lock cylinder unlocking piece, a motor, a clutch push piece and a clutch pin, and the lock cylinder unlocking piece is connected with the clutch pin. The lock cylinder is set to the peach, and the motor drives the clutch push piece to move linearly and horizontally inside the bottom box. An arc-shaped track chute is provided on the left side of the clutch push piece, and the middle pick is provided with a limiter corresponding to the track chute. The position slot, the track chute and the limit slot are pierced with a clutch pin; when the door is opened, the information card equipped with the lock key will give a corresponding signal to the motor on the lock. The clutch push piece moves laterally, or the key is used to turn and turn the lock cylinder on the bottom box to sequentially push the lock cylinder unlocking piece on the bottom box, and the clutch push piece moves laterally, and the clutch push piece drives the track chute and center dial arranged on the upper side The clutch pin in the limiting slot of the sheet enters the rotation track of the upper dial or the lower dial, and when the upper dial or the lower dial is pressed down to rotate, the upper dial or the lower dial will be pushed to block its rotation. The clutch pin in the track drives the middle paddle to rotate synchronously, and the rotation of the middle paddle drives the gear drive plate and the gear paddle assembly to rotate to stir the square tongue assembly to retract and open the door. 3. A lock body with a built-in clutch structure according to claim 1, characterized in that the lock body also includes an upper sky hook and a lower sky hook, which are arranged on the bottom side of the bottom box And stretch out the upper side and the lower side of the bottom box respectively, the said lower heaven and earth hook is driven by the square tongue assembly to stretch out or retract in the bottom box, and the joints of the upper heaven and earth hook and the lower heaven and earth hook are provided with the upper heaven and earth hook and the lower heaven and earth hook respectively. The gears between the lower sky and ground hooks and the upper and lower sides are respectively meshed with the upper heaven and earth hooks and the lower heaven and earth hooks. The gears are rotated and fixed on the bottom box. 4. A lock body with a built-in clutch structure according to claim 1, characterized in that, the bottom box is also equipped with a lining plate that is rotated upwards to facilitate the oblique tongue assembly to extend out of the side of the bottom box for reversing Commutator segments for operation.