CN216277353U - American electric lock - Google Patents

Abstract

The utility model relates to an American electric lock, which comprises a lock shell and a knob, wherein: the knob still is equipped with location torsional spring and deflector, leave the clearance between the surface of deflector and the inner wall of knob, the knob gear is installed in the pivot and the stopper is detected, the knob gear is equipped with spacing foot and magnet, spacing foot is arranged in the clearance, the both sides department of deflector is arranged in at the both ends of location torsional spring, the knob gear is equipped with and is used for the motor gear with knob gear engaged with, motor gear is connected with gear motor subassembly, be equipped with the circuit board in the lock shell, the back of circuit board is equipped with first position detection switch and second position detection switch, the one end that detects the stopper is arranged in first position detection switch or second position detection switch. According to the utility model, through the combination of the knob, the positioning torsion spring, the guide plate, the rotating shaft and the knob gear, the positioning torsion spring is deformed so as to rotate the rotating shaft to drive the unlocking, so that the position of the motor reduction box is damaged, and the knob can also be manually rotated to unlock.

Description

American electric lock

Technical Field

The utility model relates to a lockset, in particular to an American electric lock.

Background

The existing American electric lockset (the door lock specially used for the American market is called American lock in the industry) is driven by a reduction gearbox, the reduction gearbox drives a knob to open and close the door lock through a gear, and because a buffer structure is not arranged, the instant locked-rotor impact of starting and stopping of a motor is large, and the service life of the motor is shortened; in addition, after the motor reduction box is damaged, a gear can be blocked, and the lock cannot be unlocked by adopting a mechanical key or a knob.

Disclosure of Invention

The utility model aims to overcome the defects of the prior American electric lock and provides the American electric lock which has the advantages of simplifying the integral structure, prolonging the service life of a motor and ensuring that a mechanical key or a knob is adopted to open a door lock after a reduction gearbox of the motor is damaged.

The utility model describes an American electric lock, which comprises a lock shell and a knob, wherein the knob is positioned on the front surface of the lock shell, the back surface of the knob is provided with a rotating shaft, the rotating shaft penetrates through the front surface of the lock shell and extends into the lock shell, and the American electric lock comprises: the knob still is equipped with location torsional spring and deflector, leave the clearance between the surface of deflector and the inner wall of knob, the knob gear is installed in the pivot and the stopper is detected, the knob gear is equipped with spacing foot and magnet, spacing foot is arranged in the clearance, the both sides department of deflector is arranged in at the both ends of location torsional spring, the knob gear is equipped with and is used for the motor gear with knob gear engaged with, motor gear is connected with gear motor subassembly, be equipped with the circuit board in the lock shell, the back of circuit board is equipped with first position detection switch and second position detection switch, the front surface of circuit board is equipped with the third position detection switch, the one end that detects the stopper is arranged in first position detection switch or second position detection switch.

Specifically further, the knob gear is provided with a magnet mounting hole, and the magnet is arranged in the magnet mounting hole.

And particularly, a motor pressing plate is arranged in the lock shell, and the speed reduction motor assembly is positioned between the motor pressing plate and the lock shell.

And particularly, a first snap spring and a second snap spring are respectively arranged on the rotating shaft, and the knob gear is positioned between the first snap spring and the second snap spring.

Specifically, the first position detection switch is an unlock position detection switch or an off-lock position detection switch, and the second position detection switch is an unlock position detection switch or an off-lock position detection switch.

The utility model has the beneficial effects that: this structure still is equipped with location torsional spring and deflector through the knob, leave the clearance between the surface of deflector and the inner wall of knob, the knob gear is installed in the pivot and is detected the stopper, the knob gear is equipped with spacing foot and magnet, spacing foot is arranged in the clearance, thereby confirm to unblank or close the lock state, can damage the back at the motor reducing gear box, can make the knob gear by the card dead motionless, through the manual wrench movement pivot of mechanical lock core or knob, deflector on the knob can extrude the location torsional spring, thereby make the location torsional spring warp and make the rotatory drive of pivot unblank, this structure has guaranteed that the motor reducing gear box damages in which position, the knob can also be unblanked by manual rotation.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a rear view of the structure of fig. 1.

Fig. 3 is a structural diagram of the disassembled state of fig. 1.

FIG. 4 is a schematic view of the connection structure of the motor pressing plate, the gear motor assembly, the knob, the circuit board and the indicator light.

Fig. 5 is another angular configuration of fig. 4.

Fig. 6 is a schematic view of a connection structure of the gear motor assembly, the motor gear, the circuit board, the first position detection switch, the second position detection switch and the detection limiting block.

Fig. 7 is a schematic view of a connection structure of the speed reduction motor assembly, the motor gear, the knob gear, the rotating shaft, the first snap spring, the second snap spring and the knob.

Fig. 8 is a schematic view of the exploded state structure of fig. 7.

FIG. 9 is a schematic view of a connection structure of the knob, the knob gear, the first clamp spring and the second clamp spring of the rotating shaft.

Fig. 10 is a schematic view of a connection structure of the circuit board and the third position detection switch.

The drawings are numbered as follows: the lock shell 1, the knob 2, the guide plate 201, the positioning torsion spring 202, the convex portion 3, the motor pressing plate 4, the magnet 5, the circuit board 6, the first position detection switch 601, the second position detection switch 602, the third position detection switch 603, the detection limiting block 7, the speed reduction motor assembly 8, the rotating shaft 9, the first clamping spring 901, the second clamping spring 902, the motor gear 10, the knob gear 11, the magnet mounting hole 1101 and the limiting pin 1102.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 10, the utility model describes an american-type electric lock, which comprises a lock case 1 and a rotary knob 2, wherein the rotary knob 2 is located on the front surface of the lock case 1, the back surface of the rotary knob 2 is provided with a rotating shaft 9, the rotating shaft 9 penetrates through the front surface of the lock case 1 and extends into the lock case 1, and wherein: knob 2 still is equipped with location torsional spring 202 and deflector 201, leave the clearance between the surface of deflector 201 and the inner wall of knob 2, knob gear 11 and detection stopper 7 are installed to pivot 9, knob gear 11 is equipped with spacing foot 1102 and magnet 5, spacing foot 1102 is arranged in the clearance, the both sides department of deflector 201 is arranged in at the both ends of location torsional spring 202, knob gear 11 is equipped with and is used for the motor gear 10 with knob gear 11 engaged with, motor gear 10 is connected with gear motor subassembly 8, be equipped with circuit board 6 in the lock shell 1, the back of circuit board 6 is equipped with first position detection switch 601 and second position detection switch 602, the front surface of circuit board 6 is equipped with third position detection switch 603, the one end of detecting stopper 7 is arranged in first position detection switch 601 or second position detection switch 602.

The structure is characterized in that the knob 2 is also provided with a positioning torsion spring 202 and a guide plate 201, a gap is reserved between the outer surface of the guide plate 201 and the inner wall of the knob 2, the guide plate 201 and the knob 2 are integrated, and the spacing pin 1102 can be accommodated in the gap; the positioning torsion spring 202 is sleeved on the rotating shaft 9 and fixed in the knob 2, two end feet of the torsion spring 202 are fixed on two sides of the guide plate, and the guide plate 201 plays a role in fixing the opening angle of the torsion spring; the rotary shaft 9 is provided with a knob gear 11 and a detection limiting block 7, and one end of the detection limiting block 7 is arranged in the first position detection switch 601 or the second position detection switch 602, so that the unlocking or locking state is confirmed, and the whole structure is simplified and the accurate detection is promoted. The first position detection switch 601 and the second position detection switch 602 are within a circumferential path. The circuit board 6 is connected with the motor and plays a role in controlling the working state of the motor by the circuit board.

In the structure, the knob gear 11 is provided with a magnet mounting hole 1101, and the magnet 5 is arranged in the magnet mounting hole 1101. The magnet mounting hole 1101 fixes the position of the magnet 5, and allows the magnet 5 to rotate with the knob gear 11.

Wherein motor reduction box 8 damages the back, can make knob gear 11 be by the card dead motionless, through mechanical lock core or the manual wrench movement pivot 9 of knob, thereby the deflector 201 on the knob 2 can extrude location torsional spring 202, thereby it can make the pivot rotation drive unblank to make the torsional spring warp, and this structure has guaranteed that motor reduction box damages in which position, and the knob can also manual rotation unblank. Wherein, the surface of the rotating shaft 9 is provided with a convex part 3 for positioning the torsion spring 202.

The structure is characterized in that a motor pressing plate 4 is arranged in the lock shell 1, and the speed reduction motor assembly 8 is positioned between the motor pressing plate 4 and the lock shell 1. The motor pressure plate 4 is used to limit the position of the reduction motor assembly 8.

In the structure, a first snap spring 901 and a second snap spring 902 are respectively arranged on the rotating shaft 9, and the knob gear 11 is positioned between the lock shell 1 and the second snap spring 902.

The working principle of the structure is as follows.

1. In the forward rotation state of the motor, the knob gear 11 is driven to rotate by the motor gear 10.

2. The limiting feet on the knob gear 11 are inserted into the knob groove, the groove is communicated with the torsion spring to seal two ends, the limiting feet of the knob gear drive the torsion spring, and when the resistance of the knob is smaller than the torsion of the torsion spring, the torsion spring drives the knob to rotate.

3. The knob 2 is fixed to the detection limiting block 7, the knob 2 drives the detection limiting block 7 to rotate, and the detection limiting block 7 moves from the first position detection switch 601 to the second position detection switch 602.

4. Knob 2 judges through circuit board 6 that the lock is closed to the back of targetting in place (detect stopper 7 promptly and remove in second position detection switch 602), the motor reversal passes through motor gear 10 and drives knob gear 11, knob gear 11 reversal, because the spacing foot 1102 of knob gear 11 is at the clearance internal rotation, after the rotation has certain angle, because there is a magnet 5 or trigger point to trigger the detection switch on the circuit board on the knob gear 11, judge that the knob gear gets back to initial condition, thereby driving motor stall, realize knob 2 from unblanking to the lock state of closing.

5. The lock is from closing the lock to unblanking, the same reason, the motor continues the reversal direction and rotates, make knob gear 11's spacing foot 1102 drive the other foot of location torsional spring, make knob 2 reversal, knob 2 drives and detects stopper 7 and changes to the on-off state from closing the lock after, 6 driving motor corotation of circuit board, motor corotation drives knob gear 11 corotation, the relative knob 2 of knob gear 11 rotates, magnet 5 or the third position on the trigger point trigger circuit board on the knob gear 11 detect switch 603, judge knob gear 11 and get back to initial condition, thereby driving motor stall, realize that the knob is from closing the lock to the state of unblanking.

The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an American electric lock, includes lock shell (1) and knob (2), and knob (2) are located the front surface of lock shell (1), and the back of knob (2) is equipped with pivot (9), and pivot (9) pass the front surface of lock shell (1) and extend to in lock shell (1), its characterized in that: knob (2) still are equipped with location torsional spring (202) and deflector (201), leave the clearance between the surface of deflector (201) and the inner wall of knob (2), knob gear (11) and detection stopper (7) are installed in pivot (9), knob gear (11) are equipped with spacing foot (1102) and magnet (5), spacing foot (1102) are arranged in the clearance, the both sides department of deflector (201) is arranged in at the both ends of location torsional spring (202), knob gear (11) are equipped with and are used for motor gear (10) with knob gear (11) engaged with, motor gear (10) are connected with gear motor subassembly (8), be equipped with circuit board (6) in lock shell (1), the back of circuit board (6) is equipped with first position detection switch (601) and second position detection switch (602), the front surface of circuit board (6) is equipped with third position detection switch (603), the one end of detecting stopper (7) is arranged in first position detection switch (601) or second position detection switch (603), it detects switch (602) And (4) the following steps.

2. An electric american lock, according to claim 1, characterized in that: the knob gear (11) is provided with a magnet mounting hole (1101), and the magnet (5) is arranged in the magnet mounting hole (1101).

3. An electric american lock, according to claim 1, characterized in that: a motor pressing plate (4) is arranged in the lock shell (1), and the speed reducing motor assembly (8) is located between the motor pressing plate (4) and the lock shell (1).

4. An electric american lock, according to claim 1, characterized in that: a first snap spring (901) and a second snap spring (902) are respectively arranged on the rotating shaft (9), and the knob gear (11) is located between the lock shell (1) and the second snap spring (902).

5. An electric american lock, according to claim 1, characterized in that: the first position detection switch (601) is an unlock position detection switch or a lock close position detection switch, and the second position detection switch (602) is an unlock position detection switch or a lock close position detection switch.

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