CN211422166U

CN211422166U - Intelligent door lock

Info

Publication number: CN211422166U
Application number: CN201922319228.8U
Authority: CN
Inventors: 丁立峰
Original assignee: Hangzhou Yunmei Technology Co ltd
Current assignee: Hangzhou Yunmei Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-04
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an intelligent door lock, which comprises a frame and a handle, wherein the handle is matched with the frame in a rotating way, the bottom surface of the frame is provided with a lock cylinder hole, a lock cylinder is fixedly arranged in the lock cylinder hole, the bottom surface of the frame is provided with a moving groove, the bottom surface of the frame is provided with a baffle plate, the upper end surface of the baffle plate is fixedly provided with a moving sheet, the moving sheet passes through the moving groove, one end of the moving sheet is provided with a guide rod, the guide rod is matched with the moving sheet in a rotating way, one side in the frame is fixedly provided with a sliding groove, one end of the guide rod is matched with the sliding groove in a sliding way, a pull rod is arranged between the two sliding grooves and is fixedly connected with the guide rod, a switch device is fixedly arranged in the frame, the bottom of the frame is provided with a micro motor, the micro motor is electrically, the baffle is pulled by the motor, so that the baffle is far away from the lock cylinder, and the lock cylinder is exposed.

Description

Intelligent door lock

Technical Field

The utility model relates to an intelligence lock equipment technical field, in particular to intelligence lock.

Background

The intelligent door lock is a composite lock which is improved on the basis of being different from a traditional mechanical lock, is more intelligent and simpler in the aspects of user safety, identification and manageability, and is an execution component for locking a door in an access control system. Common intelligent door locks include magnetic card locks, fingerprint locks, iris identification locks, and the like. It is used in bank, government department (paying attention to safety), hotel, etc.

The intelligent lock on the market all remains traditional lock core mostly now, but need discern through just can expose traditional lock core afterwards, and this kind of intelligent lock just can not be used after the lock outage, lets the user just can't open the door after the power failure of intelligent lock, and it is troublesome for user's use to increase, provides a solution to below the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligence lock can continue to use the lock core to open the door after the lock outage, and can not directly expose the lock core outside convenient to use.

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

an intelligent door lock comprises a frame and a handle, wherein the handle is in running fit with the frame, a lock cylinder hole is formed in the bottom surface of the frame, a lock cylinder is fixedly arranged in the lock cylinder hole, two moving grooves are formed in the bottom surface of the frame, a baffle is arranged on the bottom surface of the frame, two moving pieces are fixedly arranged on the upper end surface of the baffle and penetrate through the moving grooves and are in sliding fit with the moving grooves, a guide rod is arranged at one end of each moving piece and is in running fit with the moving pieces, two sliding grooves are fixedly arranged on one side in the frame, one ends, far away from the rotating pieces, of the guide rods are in sliding fit with the sliding grooves, a pull rod is arranged between the two sliding grooves, two ends of the pull rod penetrate through the sliding grooves and are fixedly connected with the two guide rods, a slide rod is arranged in each sliding groove and is in sliding, the sliding hole is internally provided with a first wedge block, the first wedge block is in sliding fit with the sliding hole, the frame is internally and fixedly provided with a switch device, the first wedge block is in mutual contact with the switch device and is in sliding fit with the switch device, the bottom of the switch device is provided with a first fixed pulley, the bottom of the frame is provided with a micro motor, the micro motor is electrically connected with the switch device, the output end of the micro motor is connected with a wire wheel, the wire wheel is fixedly connected with a traction wire, the traction wire passes through the first fixed pulley and is fixedly connected with a pull rod, one side of the micro motor is provided with a second wedge block, the wedge block is in sliding fit with the frame, two meshed planetary ratchets are arranged between the second wedge block and the micro motor, and the two planetary ratchets are respectively connected with the wire wheel and the second wedge block on, a first spring is arranged between the second wedge block and the planetary ratchet wheel, two ends of the first spring are respectively fixedly connected with the second wedge block and the planetary ratchet wheel, two sliding plates are fixedly arranged on one side face, close to the planetary ratchet wheel, of the second wedge block, the planetary ratchet wheel, close to the second wedge block, is slidably connected with the sliding plates, a third spring is arranged between the wedge block and the frame, two ends of the second spring and the third spring are fixedly connected with the second wedge block and the frame, a pressing rod is fixedly arranged at one end, far away from the pressing rod, of the handle, a blocking rod 26 is fixedly arranged at one end of the handle, a blocking rod 26 is arranged on the inner side wall of the frame, the blocking rod 26 is in rotating fit with the frame, one end, far away from the pressing rod, of the blocking rod 26 is mutually contacted, a resisting block is arranged at one end, far away from the pressing rod, of the blocking block is, the supporting block is located between the second wedge-shaped block and the frame, two limiting rods are fixedly arranged on the frame, the supporting block is located between the two limiting rods, a second fixed pulley is arranged on the side face inside the frame, a fine wire is fixedly connected to the side face of the second wedge-shaped block, and the fine wire penetrates through the second fixed pulley and is fixedly connected with the moving piece.

By adopting the technical scheme, after the intelligent door lock is powered off, a user can press the first wedge block, the first wedge block moves downwards to start the switch device, after the switch device is started, the micro motor is started to drive the wire wheel to rotate, the wire wheel can rotate towards one direction due to the two planetary ratchets, the wire wheel receives the traction wire wheel, the traction wire can apply pulling force to the pull rod through the fixed pulley in the coiling process, the pull rod moves upwards, the guide rod can be pulled when the pull rod moves upwards, the sliding groove can play a limiting role in the guide rod, one end of the guide rod can move up and down along the sliding groove, when one end of the guide rod moves upwards, the other end connected with the moving piece can pull the moving piece to move along the moving groove, the moving piece can pull the baffle plate when moving, the baffle plate and the lower bottom surface of the frame can relatively displace, and the lock core positioned at the bottom of the frame is exposed, the baffle is moved away by pulling of the motor, so that a user can use the device more easily, one end of the baffle rod 26 moves along the sliding groove, the slide rod is supported to move upwards along the sliding groove, the slide rod moves upwards to push the wedge block open, the switching device is disconnected, the motor is powered off, self power off is realized, the loss of electric energy is reduced, the service life is prolonged, when the motor is powered off, the two planetary ratchets enable the wire wheel of the motor to rotate only in one direction, the wire wheel cannot rotate reversely, the wire is always kept on the wire wheel, when the user inserts the key into the lock cylinder, the lock cylinder is opened, the key is taken out, the handle is rotated to open the door, when the handle is rotated, the pressure rod presses the baffle rod 26, the baffle rod 26 rotates around the connection contact, the resisting block is lifted, the resisting block moves linearly between the two limiting rods, one end of the baffle rod 26 moves in the clamping ring, and after the resisting block is, the wedge-shaped block II moves towards the direction close to the side wall of the frame under the action of the spring II and the spring III to separate the two planetary ratchets, the planetary ratchets on the wire wheel lose the matching of the other ratchet wheel to start reverse rotation and lose the pulling force on the pulling wire, when the pulling wire loses the pulling force, the sliding rod and the pulling rod can move downwards under the action of gravity to enable one end of the guide rod to move downwards, the sliding groove can limit the movement of the guide rod, the sliding rod and the pulling rod, when one end of the guide rod moves downwards, the other end of the guide rod can push the moving piece to move towards one end close to the lock cylinder along the moving groove to enable the baffle to return to the original position to block the lock cylinder to finish the self-closing of the stop block, the self-closing of a user after the use is prevented, the thin wire can be pulled when the moving piece moves, the thin wire pulls the wedge-shaped block towards the direction, when the second wedge block is separated from the inner side wall of the frame, the stop rod 26 is clamped into the second wedge block and the side wall of the frame again under the action of self gravity, and the door opening is completed.

Preferably, the switch device comprises a bottom plate, a moving frame, a box body and a spring, the moving frame is located on the upper end face of the bottom plate, the moving frame is in sliding fit with the bottom plate, two ends of the spring are respectively fixedly connected with the moving frame and the bottom plate, a battery is arranged on the moving frame, the box body is located on the upper end face of the bottom plate, and the box body is fixedly connected with the bottom plate.

By adopting the technical scheme, after the first wedge block moves downwards, the movable frame can be pushed to move, the movable frame drives the battery to move towards the box body, the compression spring IV enables the battery to be matched with the box body to complete the circuit connection, and after the first wedge block is pushed open by the sliding rod, the movable frame returns to the original position under the action of the elastic force of the spring, so that the micro motor is powered off. Therefore, the device cannot be powered on when not in work, the waste of the electric energy of the battery is reduced, and the service life of the battery is prolonged.

Preferably, a balancing weight is fixedly arranged in the middle of the pull rod.

Adopt above-mentioned technical scheme, the balancing weight has increased the decurrent pressure of pull rod, and when the baffle moved to closed direction, the balancing weight can make the better pulling wedge two of baffle.

Preferably, the groove in the cross section of the sliding groove is circular, a clamping ball is fixedly arranged at one end, far away from the moving piece, of the guide rod, and the clamping ball is clamped into the groove of the sliding groove.

By adopting the technical scheme, the contact area of the clamping groove and the clamping ball can be increased by the cylindrical sliding groove, so that the guide rod is more stable when moving and is not easy to shake, and the clamping ball also enables the guide rod not to slide out of the sliding groove.

Preferably, the bottom of the frame is provided with two guide wheels, and the two guide wheels are respectively connected with the two moving pieces in a rotating manner.

By adopting the technical scheme, the guide wheel can enable the baffle plate to be more stable when moving.

Preferably, a clamping block is arranged on one side of the first wedge-shaped block, a clamping groove is formed in the inner side face of the frame, the clamping block is located in the clamping groove, and the clamping block is in sliding fit with the clamping groove.

By adopting the technical scheme, the design of the clamping groove and the clamping block enables the clamping groove to limit the clamping block, so that the wedge block is limited, and the wedge block is prevented from sliding out when moving up and down.

Preferably, a top cover is arranged on the upper end face of the frame and is clamped with the frame.

By adopting the technical scheme, the wedge-shaped block is hidden by the top cover, so that an outsider cannot discover the wedge-shaped block, and the safety performance is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a side sectional view of the embodiment;

FIG. 3 is a cross-sectional view of a top view of the embodiment;

FIG. 4 is a front sectional view of the embodiment;

fig. 5 is a partial enlarged view of a.

Reference numerals: 1. a frame; 2. a handle; 3. a second fixed pulley; 4. a lock cylinder; 5. a moving groove; 6. a baffle plate; 7. moving the sheet; 8. a guide bar; 9. a chute; 10. a pull rod; 11. a slide bar; 12. a slide hole; 13. a first wedge block; 14. a switching device; 15. a first fixed pulley; 16. a micro motor; 17. a wire wheel; 18. a pull wire; 19. a second wedge block; 20. a planetary ratchet; 21. a first spring; 22. a slide plate; 23. a second spring; 24. a third spring; 25. a pressure lever; 26. a stop lever; 27. A thin wire; 28. a base plate; 29. a movable frame; 30. a box body; 31. a fourth spring; 32. a balancing weight; 33. blocking the ball; 34. a guide wheel; 35. a clamping block; 36. a card slot; 37. a top cover; 38. a battery; 39. a resisting block; 40. a limiting rod; 41. a snap ring.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 5, an intelligent door lock comprises a frame 1 and a handle 2, wherein the handle 2 is in running fit with the frame 1, a hole 4 for a lock cylinder is formed in the bottom surface of the frame 1, and the lock cylinder 4 is fixedly arranged in the hole 4. When the intelligent door lock is powered off, the door can be opened through the lock cylinder 4.

Two shifting chutes 5 have been seted up to 1 bottom surface of frame, 1 bottom surface of frame is provided with baffle 6, baffle 6 shelters from lock core 4, avoid lock core 4 to expose outside, 6 fixed two shifting pieces 7 that are provided with of up end of baffle, shifting piece 7 passes shifting chute 5, and shift

piece

7 and 5 sliding fit of shifting chute, 1 bottom of frame is provided with two guide pulleys 34, two guide pulleys 34 rotate with two shifting pieces 7 respectively and are connected, guide pulley 34 makes the smooth and easy that baffle 6 can be more when removing.

Remove 7 one ends of piece and be provided with guide arm 8, guide arm 8 and the 7 normal running fit of piece that remove, the fixed two spouts 9 that are provided with in one side in the frame 1, spout 9 cross-section recess is circular, the one end and the spout 9 sliding fit of rotor piece are kept away from to guide arm 8, be provided with pull rod 10 between two spouts 9, and the both ends of pull rod 10 pierce through in spout 9 and two root guide arm 8 fixed connection, the fixed calorie of ball 33 that is provided with of the one end that removes piece 7 is kept away from to guide arm 8, calorie of ball 33 card is gone into in the recess of spout.

Be provided with slide bar 11 in the spout 9, slide bar 11 and spout 9 sliding fit, sliding hole 12 has been seted up to frame 1 up end, be provided with wedge 13 in the sliding hole 12, wedge and sliding hole 12 sliding fit, one side of wedge 13 is provided with fixture block 35, frame 1 medial surface is provided with draw-in groove 36, fixture block 35 is located draw-in groove 36, and fixture block 35 and draw-in groove 36 sliding fit, wedge 13 has been avoided in the cooperation of fixture block 35 and draw-in groove 36 to shift out the sliding block, frame 1 up end is provided with top cap 37, top cap 37 and frame 1 joint, top cap 37 carries out guard action to wedge 13, avoid the mistake to touch.

The switch device 14 is fixedly arranged in the frame 1, the first fixed pulley 15 is arranged at the bottom of the switch device 14, the micro motor 16 is arranged at the bottom of the frame 1, the micro motor 16 is electrically connected with the switch device 14, the output end of the micro motor 16 is connected with the wire wheel 17, the traction wire 18 is fixedly connected onto the wire wheel 17, and the traction wire 18 penetrates through the first fixed pulley 15 and is fixedly connected with the pull rod 10.

When the power supply of the intelligent door lock is insufficient, the password can not be used for opening the door, and the lock cylinder 4 is required for opening the door, the user needs to open the top cover 37 first, press the first wedge block 13, then cover the top cover 37, when the first wedge block 13 moves downwards, the clamping groove 36 limits the clamping block 35 on the wedge block, so that the first wedge block 13 cannot shake, the first wedge block 13 starts the switch device 14, the micro motor 16 is powered on, the micro motor 16 starts to rotate, and the wire wheel 17 is driven to rotate, when the line is at the rolling, can pass through a fixed pulley 15 pulling pull rod 10, make pull rod 10 rebound, pull rod 10 can drive the one end rebound of being connected with guide arm 8, makes card ball 33 along with spout 9 rebound, and spout 9 plays the restriction effect to the removal of guide arm 8 and pull rod 10, makes guide arm 8 can not produce rocking by a relatively large margin at the removal in-process, increases stability. When the guide rod 8 moves upwards, the moving piece 7 is pulled to move along the moving groove 5 in the direction away from the lock cylinder 4, and the moving piece 7 pulls the baffle 6 to move, so that the lock cylinder 4 is exposed.

The switch device 14 comprises a bottom plate 28, a moving frame 29, a box body 30 and a spring four 31, wherein the moving frame 29 is located on the upper end face of the bottom plate 28, the moving frame 29 is in sliding fit with the bottom plate 28, two ends of the spring four 31 are fixedly connected with the moving frame 29 and the bottom plate 28 respectively, a battery 38 is arranged on the moving frame 29, the box body 30 is located on the upper end face of the bottom plate 28, and the box body 30 is fixedly connected with the bottom plate 28. The wedge block one 13 is contacted with the moving frame 29, and the wedge block one 13 is matched with the switch device 14 in a sliding mode.

The first wedge block 13 pushes the moving frame 29 to move towards the box body 30, the fourth spring 31 is compressed, when the wedge block moves to the right position, the battery 38 on the moving frame 29 is matched with the box body 30, and the micro motor 16 is powered.

A second wedge block 19 is arranged on one side of the micro motor 16 and is in sliding fit with the frame 1, two meshed planetary ratchets 20 are arranged between the second wedge block 19 and the micro motor 16, the two planetary ratchets 20 are respectively connected with a wire wheel 17 on the output end of the micro motor 16 and the second wedge block 19, a first spring 21 is arranged between the second wedge block 19 and the planetary ratchets 20, two ends of the first spring 21 are respectively fixedly connected with the second wedge block 19 and the planetary ratchets 20, two sliding plates 22 are fixedly arranged on the side face, close to the planetary ratchets 20, of the second wedge block 19, and the planetary ratchets 20, close to the second wedge block 19, are in sliding connection with the.

When the ball 33 moves upwards, the sliding rod 11 in the sliding groove 9 is supported to move, the sliding rod 11 moves upwards along the sliding groove 9, when one end of the sliding rod 11 extends out of the sliding groove 9, the sliding rod 11 touches the first wedge block 13, when the sliding rod 11 continues to move upwards, the first wedge block 13 is pushed to move upwards, in the process that the first wedge block 13 moves upwards, the moving frame 29 moves towards the direction far away from the box body 30 under the action of the elastic force of the spring four 31 until the battery 38 is separated from the box body 30, when the battery 38 is separated from the box body 30, the micro motor 16 stops rotating, the pull rod 10 does not lift, the baffle 6 stops moving, due to the cooperation of the two planetary gears, the wire wheel 17 can only rotate in a single direction, the motor does not provide pulling force for the wire wheel 17, the planetary ratchet 20 prevents the wire wheel 17 from rotating reversely, and the dispersion of the pulling wire 18 is prevented.

A second spring 23 and a third spring 24 are arranged between the second wedge-shaped block 19 and the frame 1, two ends of the second spring 23 and the third spring 24 are fixedly connected with the second wedge-shaped block 19 and the frame 1, a pressing rod 25 is fixedly arranged at one end of the handle 2, which enters the frame 1, a stop rod 26 is arranged on the inner side wall of the frame 1, the stop rod 26 is in rotating fit with the frame 1, the pressing rod 25 is in contact with one end of the stop rod 26, a resisting block 39 is arranged at one end of the stop rod 26, which is far away from the pressing rod 25, a clamping ring 41 is fixedly arranged on the upper end face of the resisting block 39, one end of the stop rod 26 penetrates through the clamping ring 41, the stop rod 26 is in sliding connection with the clamping ring 41, the resisting block 39 is positioned between the second wedge-shaped block 19 and the frame 1, two limiting rods 40 are fixedly arranged on the frame 1, the resisting block 39 is positioned.

When a user inserts a key into the lock core 4, the lock core 4 is rotated, the door lock is opened, the key is taken out, the handle 2 is rotated to open the door, when the handle 2 is rotated, the pressure rod 25 presses the stop lever 26, the stop lever 26 rotates around the connection contact, the resisting block 39 is lifted, the stop lever 26 moves in the clamping ring 41 because the resisting block 39 is limited by the two limiting rods 40, the resisting block 39 can move linearly when lifted, after the resisting block 39 is lifted, the wedge-shaped block 19 moves towards the direction close to the side wall of the frame 1 under the action of the spring II 23 and the spring III 24, so that the two planetary ratchets 20 are separated, the planetary ratchets 20 on the wire wheel 17 lose the matching of the other ratchet and start to rotate reversely, the pulling force on the pulling wire 18 is lost, when the pulling wire 18 loses the pulling force, the slide rod 11 and the pull rod 10 move downwards under the action of gravity, one end of the guide rod 8 moves downwards, the chute 9 can guide rod 8, The limiting function of the movement of the sliding rod 11 and the pull rod 10 is that when one end of the guide rod 8 moves downwards, the other end of the guide rod pushes the moving piece 7 to move towards one end close to the lock cylinder 4 along the moving groove 5, so that the baffle 6 returns to the original position to block the lock cylinder 4, the self-closing of the stop block is completed, and the user is prevented from forgetting to close the lock cylinder after the lock cylinder is used.

The side surface of the inside of the frame 1 is provided with a fixed pulley II 3, the side surface of the wedge-shaped block II 19 is fixedly connected with a thin wire 27, and the thin wire 27 penetrates through the fixed pulley II 3 and is fixedly connected with the movable piece 7.

When the moving piece 7 moves, the thin wire 27 is pulled, the thin wire 27 pulls the second wedge-shaped block 19 towards the direction of the micro motor 16 through the second fixed pulley 3, the second spring 23 and the third spring 24 are in a stretching state, when the second wedge-shaped block 19 is separated from the inner side wall of the frame 1, the stop lever 26 is clamped into the second wedge-shaped block 19 and the side wall of the frame 1 again under the action of self gravity, the downward pressure of the pull rod 10 is increased by the counterweight block 32, and when the baffle 6 moves towards the closing direction, the counterweight block 32 can enable the baffle 6 to pull the second wedge-shaped block 19 better.

Claims

1. The intelligent door lock is characterized by comprising a frame (1) and a handle (2), wherein the handle (2) is in running fit with the frame (1), a lock cylinder (4) hole is formed in the bottom surface of the frame (1), the lock cylinder (4) is fixedly arranged in the lock cylinder (4) hole, two moving grooves (5) are formed in the bottom surface of the frame (1), a baffle (6) is arranged on the bottom surface of the frame (1), two moving pieces (7) are fixedly arranged on the upper end surface of the baffle (6), the moving pieces (7) penetrate through the moving grooves (5), the moving pieces (7) are in sliding fit with the moving grooves (5), a guide rod (8) is arranged at one end of each moving piece (7), the guide rod (8) is in running fit with the moving pieces (7), two sliding grooves (9) are fixedly arranged on one side in the frame (1), one end, far away from the moving pieces (7), of the guide rod (8) is in sliding fit with the sliding grooves (9, be provided with pull rod (10) between two spout (9), just the both ends of pull rod (10) pierce through in spout (9) and two root guide pole (8) fixed connection, be provided with slide bar (11) in spout (9), slide bar (11) and spout (9) sliding fit, sliding hole (12) have been seted up to frame (1) up end, be provided with wedge (13) in sliding hole (12), wedge and sliding hole (12) sliding fit, frame (1) internal fixation is provided with switching device (14), wedge (13) and switching device (14) be in contact with each other, and wedge (13) and switching device (14) sliding fit, switching device (14) bottom is provided with fixed pulley (15), frame (1) bottom is provided with micro motor (16), micro motor (16) and switching device (14) electric connection, the output end of the micro motor (16) is connected with a wire wheel (17), the wire wheel (17) is fixedly connected with a traction wire (18), the traction wire (18) penetrates through a fixed pulley I (15) and a pull rod (10) to be fixedly connected, one side of the micro motor (16) is provided with a wedge block II (19), the wedge block is in sliding fit with the frame (1), two meshed planetary ratchets (20) are arranged between the wedge block II (19) and the micro motor (16), the two planetary ratchets (20) are respectively connected with the wire wheel (17) and the wedge block II (19) on the output end of the micro motor (16), a spring I (21) is arranged between the wedge block II (19) and the planetary ratchets (20), two ends of the spring I (21) are respectively fixedly connected with the wedge block II (19) and the planetary ratchets (20), one side face, close to the planetary ratchets (20), of the wedge block II (19) is fixedly provided with two sliding plates (22), the planet ratchet wheel (20) and the sliding plate (22) which are close to the second wedge-shaped block (19) are connected in a sliding mode, a spring II (23) and a spring III (24) are arranged between the second wedge-shaped block (19) and the frame (1), two ends of the spring II (23) and the spring III (24) are fixedly connected with the second wedge-shaped block (19) and the frame (1), the handle (2) enters one end of the frame (1) to be fixedly provided with a pressure rod (25), the inner side wall of the frame (1) is provided with a stop lever (26), the stop lever (26) is matched with the frame (1) in a rotating mode, one ends of the pressure rod (25) and the stop lever (26) are in contact with each other, one end, far away from the pressure rod (25), of the stop lever (26) is provided with a resisting block (39), the upper end face of the resisting block (39) is fixedly provided with a clamping ring (41), one end of the stop lever (26) penetrates through the clamping ring (41, support block (39) and be located between wedge two (19) and frame (1), the fixed two gag lever posts (40) that are provided with on frame (1), support block (39) and be located between two gag lever posts (40), frame (1) inside side is provided with fixed pulley two (3), the side fixedly connected with fine rule (27) of wedge two (19), fine rule (27) pass fixed pulley two (3) and remove piece (7) fixed connection.

2. An intelligent door lock according to claim 1, wherein the switch device (14) comprises a bottom plate (28), a movable frame (29), a box body (30) and a spring four (31), the movable frame (29) is located on the upper end face of the bottom plate (28), the movable frame is in sliding fit with the bottom plate (28), two ends of the spring four (31) are respectively and fixedly connected with the movable frame (29) and the bottom plate (28), the movable frame (29) is provided with a battery (38), the box body (30) is located on the upper end face of the bottom plate (28), and the box body (30) is fixedly connected with the bottom plate (28).

3. An intelligent door lock according to claim 2, characterized in that a balancing weight (32) is fixedly arranged in the middle of the pull rod (10).

4. An intelligent door lock according to claim 3, wherein the groove in the cross section of the sliding groove (9) is circular, a clamping ball (33) is fixedly arranged at one end of the guide rod (8) far away from the moving piece (7), and the clamping ball (33) is clamped into the groove of the sliding groove (9).

5. An intelligent door lock according to claim 4, wherein the bottom of the frame (1) is provided with two guide wheels (34), and the two guide wheels (34) are respectively and rotatably connected with the two moving pieces (7).

6. An intelligent door lock according to claim 5, wherein a clamping block (35) is arranged on one side of the first wedge-shaped block (13), a clamping groove (36) is arranged on the inner side surface of the frame (1), the clamping block (35) is located in the clamping groove (36), and the clamping block (35) is in sliding fit with the clamping groove (36).

7. An intelligent door lock according to claim 6, characterized in that a top cover (37) is arranged on the upper end face of the frame (1), and the top cover (37) is clamped with the frame (1).