Lock

Abstract

The utility model discloses a lock which comprises an outer lock body and an inner lock body, and the inner lock body comprises a first lock seat and a second lock seat. The first lock seat comprises a first lock seat shell, an inner lock cylinder, a positioning plate, a positioning spring bolt, a fixed spring bolt, a positioning sensor, a motor and a control circuit board. The fixed spring bolt, the positioning spring bolt and the positioning sensor are all arranged in the first lock seat shell and extend out of one end of the first lock seat shell, the positioning plate is arranged in the first lock seat shell, the motor is connected to the positioning plate, the motor is in tooth connection with the inner lock cylinder, the inner lock cylinder is connected with the fixed spring bolt, and the fixed spring bolt can be driven to move front and back through the inner lock cylinder. The rear side of the positioning spring bolt is arranged between the positioning plate and the inner side of the shell of the first lock seat in a limiting mode through a reset spring, and a lock hole corresponding to the fixing spring bolt and a positioning groove corresponding to the positioning spring bolt are formed in the second lock seat. When the door is closed, the positioning bolt is matched with the positioning groove to ensure that the door is closed in place.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lockset, especially a lockset. BACKGROUND

[0002] The existing lockset has two kinds of lock lugs for the convenience of door closing and the safety after closing, one is the inclined lock lug for the convenience of door closing, and the other is the straight lock lug for the safety after closing. The two kinds of lock lugs undoubtedly increase the volume, cost and structural complexity of the lock lugs. Therefore, a lockset with straight lock lugs and convenient door closing, which can reduce the cost, facilitate the use of customers and ensure the safety of use, is needed. SUMMARY

[0003] The utility model discloses a lockset with straight lock lugs and convenient door closing, which can reduce the cost, facilitate the use of customers and ensure the safety of use.

[0004] The utility model provides a lockset, including outer lock body and inner lock body, the inner lock body includes first lock seat and second lock seat,

[0005] The first lock seat includes a first lock seat shell, an inner lock core, a positioning plate, a positioning lock lug, a fixed lock lug, a positioning sensor, a motor and a control circuit board;

[0006] The fixed lock lug, the positioning lock lug and the positioning sensor are all arranged in the first lock seat shell and protrude from one end of the first lock seat shell, the positioning plate is arranged in the first lock seat shell, the motor is connected to the positioning plate, the motor is in gear connection with the inner lock core, the inner lock core is connected with the fixed lock lug, and the inner lock core can drive the fixed lock lug to move forward and backward;

[0007] The rear side of the positioning lock lug is limitedly arranged between the positioning plate and the inner side of the first lock seat shell by a return spring, and the second lock seat is provided with a lock hole corresponding to the fixed lock lug and a positioning groove corresponding to the positioning lock lug;

[0008] The motor and the positioning sensor are connected with the control circuit board, when closing the door, the positioning lock lug and the positioning groove are matched to ensure that the door is closed in place, the positioning sensor feeds back a signal to the control circuit board after recognizing that the door is closed in place, the control circuit board controls the motor to work and drives the fixed lock lug to protrude to complete the locking of the door.

[0009] Preferably, the inner lock core is connected with an outer lock core arranged on the outer lock body, the inner lock core can be driven to rotate by the outer lock core, a first pulling block is arranged on the side surface of the inner lock core, a pulling groove is arranged on the rear side of the fixed lock lug, and rotating the inner lock core can drive the fixed lock lug to move forward and backward.

[0010] Preferably, a second knob for assisting the knob is arranged on the outside of the inner lock core.

[0011] Preferably, an inner lock core connecting tooth adapted to the output end of the motor is arranged on the outside of the inner lock core.

[0012] Preferably, a battery is arranged in the first lock seat shell, and the battery is electrically connected to and powers the motor, the positioning sensor and the control circuit board.

[0013] Preferably, a positioning wheel is arranged on the front side of the positioning bolt, and the positioning wheel and the positioning groove are matched to ensure that the door is closed to the position.

[0014] Preferably, a limiting groove is arranged on the fixed bolt, and a limiting column corresponding to the limiting groove is arranged on the first lock seat shell, and the limiting column and the limiting groove are matched to limit the forward and backward movement of the fixed bolt.

[0015] Preferably, the positioning sensor is an infrared sensor, and an infrared sensor auxiliary device is arranged on the second lock seat, and the infrared sensor and the infrared sensor auxiliary device are matched to improve the recognition accuracy of the door closed to the position.

[0016] Preferably, a first connecting clamping block is arranged on the front side of the positioning plate, and a first connecting clamping hole with a hole diameter adapted to the rear side of the positioning bolt is arranged on the first connecting clamping block, the first connecting clamping block can support the positioning bolt, the first connecting clamping hole can allow the positioning bolt to pass through, and the first connecting clamping block can compress the reset spring.

[0017] The lock has the following beneficial effects:

[0018] 1. The positioning bolt is arranged, and a positioning wheel is arranged on the front side of the positioning bolt, so that the positioning wheel and the positioning groove are matched to ensure that the door is closed to the position.

[0019] 2. The first connecting clamping block and the positioning plate are integrally formed, which can reduce the production cost and improve the installation efficiency compared with the previous split design.

[0020] 3. The door is locked by using the positioning sensor to determine whether the door is closed and then driving the fixed bolt to move by the motor, which can reduce the cost, facilitate the use of customers and ensure the safety of use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The internal structure of the first lock seat of the lock Figure 1;

[0022] Figure 2 The internal structure diagram of the first lock seat of the lock of the utility model Figure 2 ;

[0023] Figure 3 The internal structure diagram of the first lock seat of the lock of the utility model Figure 3 ;

[0024] Figure 4 The structure diagram of the second lock seat of the lock of the utility model

[0025] In the drawing: 1, first lock seat, 2, second lock seat, 11, first lock seat shell, 12, positioning plate, 13, inner lock core, 14, fixed lock tongue, 15, positioning sensor, 16, positioning lock tongue, 17, motor, 18, battery, 19, control box, 21, infrared sensor auxiliary device, 22, lock hole, 23, positioning groove, 111, limiting column, 121, first connecting clamping block, 131, first pushing block, 132, second pushing block, 133, inner lock core connecting tooth, 141, limiting groove, 142, pushing groove, 161, reset spring, 162, positioning wheel.

[0026] The utility model realizes the purpose, functional characteristics and advantages, which will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0027] It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and are not intended to limit the utility model.

[0028] Reference Figures 1 to 4 An embodiment of the lock of the utility model is proposed:

[0029] A lock, comprising an outer lock body and an inner lock body, an outer lock core is arranged on the outer lock body, and an outer lock hole is arranged on the outer lock core.

[0030] The inner lock body comprises a first lock seat and a second lock seat 2. The first lock seat 1 comprises a first lock seat shell 11, an inner lock core 13, a positioning plate 12, a positioning lock tongue 16, a fixed lock tongue 14, a positioning sensor 15, a motor 17, a battery 18 and a control circuit board. The fixed lock tongue 14, the positioning lock tongue 16 and the positioning sensor 15 are arranged in the first lock seat shell 11 and protrude from one end of the first lock seat shell 11, the fixed lock tongue 14 is provided with a limiting groove 141, the first lock seat shell 11 is provided with a limiting column 111 corresponding to the limiting groove 141, and the limiting column 111 and the limiting groove 141 are matched, so that the forward movement and the backward movement of the fixed lock tongue 14 are limited. The fixed lock tongue 14 is provided with a pushing groove 142 at the rear side.

[0031] The first lock seat shell 11 is provided with a first lock seat shell rotating hole in the middle, and the inner lock core 13 is rotatably connected in the first lock seat shell rotating hole. The bottom of the inner lock core 13 is clamped with the outer lock core, and the inner lock core 13 can be driven to rotate by rotating the outer lock core. The side of the inner lock core 13 is provided with a first push block 131 matched with the push groove 142 and a second push block 132 for assisting the push. The first push block 131 is matched with the push groove 142, so that the inner lock core 13 can drive the fixed lock tongue 14 to move forward and backward by rotating the inner lock core 13. The outer side of the inner lock core 13 is also provided with an inner lock core connecting tooth 133.

[0032] The positioning plate 12 is fixedly connected in the first lock seat shell 11, and the positioning plate 12 is provided with a positioning plate through hole. The inner lock core 13 passes through the positioning plate through hole and is connected with a rotary knob or similar mechanism to realize the function of internal manual opening. The motor 17 is fixedly connected on the positioning plate 12, and the output shaft of the motor 17 passes through the positioning plate 12 and is in gear connection with the inner lock core connecting tooth 133 at the bottom of the positioning plate 12. The rear side of the positioning lock tongue 16 is limitedly arranged between the positioning plate 12 and the inner side of the first lock seat shell 11 by the return spring 161. The front side of the positioning plate 12 is provided with a first connecting clamping block 121 formed by folding, and the first connecting clamping block 121 is provided with a first connecting clamping hole with a hole diameter matched with the rear side of the positioning lock tongue 16. The positioning lock tongue 16 can be supported by the first connecting clamping block 121, and the positioning lock tongue 16 can pass through and compress the return spring 161 by the first connecting clamping block 121. The front side of the positioning lock tongue 16 is provided with a positioning wheel 162.

[0033] The control circuit board is arranged in the control box 19, and the control box 19 is fixed on the positioning plate 12. The storage battery 18 is arranged between the rear side of the positioning plate 12 and the inner side of the first lock seat shell 11. The storage battery 18 is electrically connected and powered to the motor 17, the positioning sensor 15 and the control circuit board respectively, and the motor 17 and the positioning sensor 15 are connected with the control circuit board.

[0034] The positioning sensor 15 is an infrared sensor, and the second lock seat 2 is provided with a lock hole 22 corresponding to the fixed lock tongue 14, a positioning groove 23 corresponding to the positioning lock tongue 16 and an infrared sensor auxiliary device 21 corresponding to the infrared sensor. The infrared sensor and the infrared sensor auxiliary device 21 are matched, so as to improve the recognition accuracy of the door closing to the position. The positioning wheel 162 and the positioning groove 23 are matched to ensure that the door is closed to the position.

[0035] When in use, when closing the door, the positioning lock tongue 16 and the positioning groove 23 are matched to ensure that the door is closed to the position. After the positioning sensor 15 recognizes that the door is closed to the position, a feedback signal is fed back to the control circuit board, the control circuit board controls the motor 17 to work, and the fixed lock tongue 14 is driven to extend to complete the locking of the door. The outside can drive the outer lock core to rotate by inserting the lock tongue into the lock hole, and then drive the fixed lock tongue 14 to retract by the inner lock core 13 to complete the opening of the door.

[0036] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application specification and drawings are also included in the patent protection scope of the present application.

Claims

1. A lock, characterized in that, comprising an outer lock body and an inner lock body, the inner lock body comprising a first lock seat and a second lock seat; the first lock seat comprising a first lock seat shell, an inner lock cylinder, a positioning plate, a positioning bolt, a fixed bolt, a positioning sensor, a motor and a control circuit board; the fixed bolt, the positioning bolt and the positioning sensor are all arranged in the first lock seat shell and protrude from one end of the first lock seat shell, the positioning plate is arranged in the first lock seat shell, the motor is connected to be arranged on the positioning plate, the motor is in gear connection with the inner lock cylinder, the inner lock cylinder is connected with the fixed bolt, and the fixed bolt can be driven to move forward and backward by the inner lock cylinder; the rear side of the positioning bolt is limited between the positioning plate and the inner side of the first lock seat shell by a return spring, and the second lock seat is provided with a lock hole corresponding to the fixed bolt and a positioning groove corresponding to the positioning bolt; the motor and the positioning sensor are connected with the control circuit board, when closing the door, the door is ensured to be closed in place through the cooperation of the positioning bolt and the positioning groove, the positioning sensor feeds back a signal to the control circuit board after recognizing that the door is closed in place, the control circuit board controls the motor to work to drive the fixed bolt to protrude and complete the locking of the door.

2. The lock of claim 1, wherein the inner lock cylinder is connected with an outer lock cylinder arranged on the outer lock body, the inner lock cylinder can be driven to rotate by the outer lock cylinder, a first shifting block is arranged on the side of the inner lock cylinder, and a shifting groove is arranged on the rear side of the fixed bolt, rotating the inner lock cylinder can drive the fixed bolt to move forward and backward.

3. The lock of claim 2, wherein, a second shifting block for assisting the shifting is further arranged on the outer side of the inner lock cylinder.

4. The lock of claim 2, wherein an inner lock cylinder connecting tooth adapted to the output end of the motor is further arranged on the outer side of the inner lock cylinder.

5. The lock of claim 1, wherein, a storage battery is further included, the storage battery is arranged in the first lock seat shell, and the storage battery is electrically connected with and supplies power to the motor, the positioning sensor and the control circuit board.

6. The lock of claim 1, wherein a positioning wheel is arranged on the front side of the positioning bolt, and the door is ensured to be closed in place through the cooperation of the positioning wheel and the positioning groove.

7. The lock of claim 1, wherein a limiting groove is arranged on the fixed bolt, a limiting column corresponding to the limiting groove is arranged on the first lock seat shell, and the forward movement and the backward movement of the fixed bolt are limited through the cooperation of the limiting column and the limiting groove.

8. The lock of claim 1, wherein the positioning sensor is an infrared sensor, an infrared sensor auxiliary device is arranged on the second lock seat, and the recognition accuracy of the door being closed in place is improved through the cooperation of the infrared sensor and the infrared sensor auxiliary device.

9. The lock of claim 1, wherein, a first connecting clamping block formed by folding is arranged on the front side of the positioning plate, a first connecting clamping hole with a hole diameter adapted to the rear side of the positioning bolt is arranged on the first connecting clamping block, the positioning bolt can be supported through the first connecting clamping block, the positioning bolt can pass through the first connecting clamping hole and compress the return spring through the first connecting clamping block.

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