CN213774899U

CN213774899U - Door lock with quick locking and unlocking function

Info

Publication number: CN213774899U
Application number: CN202022720316.1U
Authority: CN
Inventors: 陈梅芳; 吴思勇
Original assignee: Zhongshan Royalwand Hardware Co ltd
Current assignee: Zhongshan Royalwand Hardware Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-07-23
Anticipated expiration: 2030-11-21

Abstract

The utility model relates to a lock with quick locking and unlocking function, it includes shell, latch bolt, square bolt and square core subassembly, the square core subassembly includes square core, thumb wheel and the square core reset spring that drives the square core and reset, and the spacing rotation of square core is set up in the shell, and square core and thumb wheel transmission within certain rotation angle range are cooperated, and the thumb wheel is connected with the transmission of square bolt, and the square core is connected with the transmission of latch bolt through the drive of latch bolt; when the latch bolt extends and the square bolt retracts, the square core rotates towards a certain direction and idles relative to the shifting wheel, the square core only drives the latch bolt to retract, and when the square core rotates towards the other direction, the square core is in transmission with the shifting wheel and drives the latch bolt to extend through the shifting wheel; when the square bolt and the oblique bolt are in the extending state, the square core drives the oblique bolt and the square bolt to retract when rotating towards a certain direction. The safe door lock is convenient to operate and belongs to a safe door lock which is beneficial to quick escape.

Description

Door lock with quick locking and unlocking function

Technical Field

The utility model relates to a lock, especially a lock with lock fast and function of unblanking.

Background

Present electronic lock mechanical part includes latch bolt and square bolt, the door inside is equipped with handle and knob, the indentation of handle control latch bolt, the flexible of knob control square bolt, need operate through the knob on the panel when the door inside is locked, its troublesome poeration, in addition, the handle only is used for opening the latch bolt, if the square bolt stretches out when locking, can only pass through the indentation of knob control square bolt, reunion handle control latch bolt indentation, just can open the door, its complex operation, it takes time, demand when not complying with when fleing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a door inboard through rotate the square core just can lock and the operation of unblanking have lock and the function of unblanking fast lock.

The purpose of the utility model is realized like this:

the utility model provides a lock with lock fast and function of unblanking, includes shell, latch bolt, square bolt and square core subassembly, its characterized in that: the square core assembly comprises a square core, a shifting wheel and a square core reset spring for driving the square core to reset, the square core is arranged in the shell in a limiting and rotating mode, the square core is in transmission fit with the shifting wheel within a certain rotation angle range, the shifting wheel is in transmission connection with the square tongue, and the square core is in transmission connection with the inclined tongue through an inclined tongue transmission part; when the latch bolt extends and the square bolt retracts, the square core rotates towards a certain direction and idles relative to the shifting wheel, the square core only drives the latch bolt to retract, and when the square core rotates towards the other direction, the square core is in transmission with the shifting wheel and drives the latch bolt to extend through the shifting wheel; when the square bolt and the oblique bolt are in the extending state, the square core drives the oblique bolt and the square bolt to retract when rotating towards a certain direction.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the rear side of the square core is provided with a rear boss, the outer wall of the rear boss is provided with a protrusion, a square hole is formed in the center of the square core, which corresponds to the rear boss, the square hole penetrates through the front side and the rear side of the square core, the front side of the square core is provided with a transmission contact block, and the transmission contact block is in transmission connection with the latch bolt through a latch bolt transmission part.

As a further scheme, a pull rod, a movable baffle plate and a compression spring are arranged at the inner end of the oblique tongue, two ends of the pull rod are respectively connected with the oblique tongue and the movable baffle plate, the movable baffle plate is in linear sliding fit with the shell, the compression spring is sleeved outside the pull rod, one end of the compression spring is abutted against the oblique tongue, and a fixed baffle plate is arranged at the other end, corresponding to the compression spring, in the shell; the latch bolt driving medium comprises a latch bolt push rod and a swing arm, the latch bolt push rod is arranged in the shell in a sliding mode, one end of the latch bolt push rod points to the transmission contact block, the swing arm is arranged in the shell in a rotating mode and provided with two swing feet, the other end of the latch bolt push rod points to one swing foot of the swing arm, and the other swing foot of the swing arm is used for shifting the movable baffle.

As a further scheme, a lock plate and a shifting block are arranged at the inner end of the square bolt, and the shifting wheel is in transmission connection with the square bolt through the shifting block and the lock plate; the outer wall of a rear boss of the square core is provided with a bulge, the thumb wheel is provided with a central hole corresponding to the rear boss, the inner wall of the central hole is provided with an arc-shaped limiting groove, the rear boss is in rotating fit with the central hole, the bulge is inserted into the arc-shaped limiting groove and rotates within the range of the arc-shaped limiting groove, and the periphery of the thumb wheel is provided with a driving tooth surface; the shifting block is rotatably arranged in the shell, a driven tooth surface and a shifting rod are arranged on the periphery of the shifting block, the driven tooth surface is meshed with the driving tooth surface, a square tongue transmission pin is arranged on the surface of the shifting rod, a square tongue transmission chute is arranged on the surface of the locking plate, and the square tongue transmission pin is inserted into the square tongue transmission chute.

As a further scheme, a guide rod is arranged at the center of the shifting block, a yielding groove is formed in the surface of the lock plate corresponding to the guide rod, and the direction of the yielding groove is consistent with the telescopic motion direction of the square bolt.

As a further scheme, a top rod and a bottom rod are further arranged in the shell, the top rod and the bottom rod point up and down respectively and are in sliding fit with the shell up and down respectively, top rod transmission chutes and bottom rod transmission chutes are formed in the surfaces of the top rod and the bottom rod, top rod transmission pins are arranged on the surfaces of the locking plates corresponding to the top rod transmission chutes, and the top rod transmission pins are inserted into the top rod transmission chutes.

As a further scheme, still be equipped with spring bolt, spring bolt connecting rod, knob and unblock driving medium in the shell, the inner and the spring bolt connecting rod of spring bolt are connected, knob and shell normal running fit, and the knob is used for driving the spring bolt connecting rod, and the unblock driving medium includes spring bolt push rod, first transmission connecting rod, second transmission connecting rod and second torsional spring, and the spring bolt push rod slides and sets up in the shell, the one end that the square core corresponds the spring bolt push rod is equipped with another transmission touch multitouch, and the spring bolt push rod is used for touching first transmission connecting rod, and first transmission connecting rod is articulated with the one end of second transmission connecting rod, and the other end of second transmission connecting rod is articulated with the knob, and the second torsional spring setting is between second transmission connecting rod and spring bolt connecting rod.

As a further scheme, the latch bolt, the square bolt and the lock bolt are sequentially arranged on the panel of the shell from top to bottom, and the square core is arranged in an area between the lock bolt connecting rod and the lock plate.

As a further scheme, the periphery of the square core is provided with a left limit stop and a right limit stop, and a limit column is arranged between the two limit stops corresponding to the shell.

As a further scheme, the square core return spring is a torsion spring, contact pins are arranged on the left side and the right side of the square core return spring, two stop rods are respectively arranged in the shell corresponding to the two contact pins, and the contact pins are abutted against the corresponding stop rods; the square core is provided with a spring contact block corresponding to the contact pin, the spring contact block is arranged on the rear side of the square core and located on the periphery of the rear boss, and the square core reset spring is sleeved outside the rear boss.

The utility model has the advantages as follows:

(1) the different rotation directions of the square core of the door lock with the functions of quick locking and unlocking can realize the selective driving of the square bolt or the oblique bolt, so that the handle connected with the square core on the inner side of the door can be unlocked through the handle in a single oblique bolt extending state or in a state that the oblique bolt and the square bolt are both extended, the square bolt can also be controlled by the handle to extend for locking, the operation is convenient, and the door lock belongs to a safety door lock beneficial to quick escape.

(2) This kind has the square core of the lock that locks fast and unblank the function and moves down for more spaces are exposed on lock upper portion, and the decoration panel partial layout of being convenient for is more convenient at the upper portion of handle, and the order input is more convenient when the design of panel.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is another perspective (without front shell) exploded structure diagram of the present invention.

Fig. 3 is a schematic view of an angle structure of the square core of the present invention.

Fig. 4 is another angle structure diagram of the square core of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure (without the back shell) of the present invention.

Fig. 6 is a schematic view of the front view structure of the present invention (without the back shell).

Fig. 7 is a schematic view of the rear view structure of the present invention (without the front shell).

Detailed Description

The invention will be further described with reference to the following drawings and examples:

referring to fig. 1 to 7, a door lock with quick locking and unlocking functions includes a housing, a latch bolt 5, a dead bolt 6 and a square core assembly, and is characterized in that: the square core assembly comprises a square core 3, a thumb wheel 2 and a square core reset spring 36 for driving the square core 3 to reset, the square core 3 is arranged in the shell in a limiting and rotating mode, the square core 3 is in transmission fit with the thumb wheel 2 within a certain rotation angle range, the thumb wheel 2 is in transmission connection with the square bolt 6, and the square core 3 is in transmission connection with the inclined bolt 5 through an inclined bolt transmission piece; when the latch bolt 5 is extended and the square bolt 6 is retracted, the square core 3 rotates towards a certain direction and idles relative to the thumb wheel 2, the square core 3 only drives the latch bolt 5 to retract, and the square core 3 rotates towards the other direction and is driven by the thumb wheel 2, and the square bolt 6 is driven to extend through the thumb wheel 2; when the square tongue 6 and the oblique tongue 5 are in the extending state, the square core 3 drives the oblique tongue 5 and the square tongue 6 to retract when rotating towards a certain direction. The housing comprises a front shell 12, a rear shell 11 and a face plate 13, with the latch 5 and the dead bolt 6 extending from the face plate 13.

The rear side of the square core 3 is provided with a rear boss 34, the outer wall of the rear boss 34 is provided with a protrusion 32, the center of the square core 3 corresponding to the rear boss 34 is provided with a square hole 33, the square hole 33 penetrates through the front side and the rear side of the square core 3, the front side of the square core 3 is provided with a transmission contact block 35, and the transmission contact block 35 is in transmission connection with the latch bolt 5 through a latch bolt transmission piece. The front side of the square core 3 is further provided with a front boss 38, the front shell 12 and the rear shell 11 are respectively provided with positioning holes 15 corresponding to the front boss 38 and the rear boss 34, and the front boss 38 and the rear boss 34 are respectively in running fit with the corresponding positioning holes 15.

The inner end of the oblique tongue 5 is provided with a pull rod 56, a movable baffle plate 51 and a compression spring 57, the two ends of the pull rod 56 are respectively connected with the oblique tongue 5 and the movable baffle plate 51, the movable baffle plate 51 is in linear sliding fit with the shell, the compression spring 57 is sleeved outside the pull rod 56, one end of the compression spring 57 is abutted against the oblique tongue 5, and the other end of the shell, corresponding to the compression spring 57, is provided with a fixed baffle plate 17; the latch bolt driving piece comprises a latch bolt push rod 53 and a swing arm 52, the latch bolt push rod 53 is arranged in the shell in a sliding mode, one end of the latch bolt push rod 53 points to the driving contact block 35, the swing arm 52 is arranged in the shell in a rotating mode, the swing arm 52 is provided with two swing feet, the other end of the latch bolt push rod 53 points to one swing foot of the swing arm 52, and the other swing foot of the swing arm 52 is used for shifting the movable baffle 51. A clamping block 55 is also arranged in the shell corresponding to the position between the movable baffle plate 51 and the fixed baffle plate 17, the clamping block 55 can slide out between the movable baffle plate 51 and the fixed baffle plate 17, and the direction change of the latch bolt 5 can be realized after the clamping block 55 slides out. A third torsion spring 54 is arranged in the shell, and two feet of the third torsion spring 54 respectively abut against the fixture block 55 and the inner wall of the shell.

The inner end of the square bolt 6 is provided with a lock plate 61 and a shifting block 4, and the shifting wheel 2 is in transmission connection with the square bolt 6 through the shifting block 4 and the lock plate 61; the outer wall of a rear boss 34 of the square core 3 is provided with a bulge 32, the thumb wheel 2 is provided with a central hole 21 corresponding to the rear boss 34, the inner wall of the central hole 21 is provided with an arc-shaped limiting groove 22, the rear boss 34 is in rotating fit with the central hole 21, the bulge 32 is inserted into the arc-shaped limiting groove 22 and rotates within the range of the arc-shaped limiting groove 22, and the periphery of the thumb wheel 2 is provided with a driving tooth surface 23; the shifting block 4 is rotatably arranged in the shell, a driven tooth surface 44 and a shifting rod 43 are arranged on the periphery of the shifting block 4, the driven tooth surface 44 is meshed with the driving tooth surface 23, a square tongue transmission pin 41 is arranged on the surface of the shifting rod 43, a square tongue transmission chute 63 is arranged on the surface of the locking plate 61, and the square tongue transmission pin 41 is inserted into the square tongue transmission chute 63. A first torsion spring 42 is arranged between the shifting block 4 and the shell.

The center of the shifting block 4 is provided with a guide rod 45, the surface of the locking plate 61 is provided with a yielding groove 62 corresponding to the guide rod 45, and the direction of the yielding groove 62 is consistent with the telescopic motion direction of the square bolt 6.

Still be equipped with in the shell and go up pole 71 and ground pole 74, go up pole 71 and ground pole 74 respectively about directional and respectively with shell upper and lower sliding fit, go up pole 71 and ground pole 74 surface all is equipped with world pole transmission chute 72, locking plate 61 surface corresponds world pole transmission chute 72 and is equipped with world pole transmission pin 64, and world pole transmission pin 64 inserts world pole transmission chute 72.

Still be equipped with spring bolt 8, spring bolt connecting rod 81, knob 9 and unblock driving medium in the shell, the inner of spring bolt 8 is connected with spring bolt connecting rod 81, and knob 9 and shell normal running fit, knob 9 are used for driving spring bolt connecting rod 81, and the unblock driving medium includes spring bolt push rod 82, first transmission connecting rod 84, second transmission connecting rod 83 and second torsional spring, and spring bolt push rod 82 slides and sets up in the shell, the one end that square core 3 corresponds spring bolt push rod 82 is equipped with another transmission touch multitouch 35, and spring bolt push rod 82 is used for touching first transmission connecting rod 84, and first transmission connecting rod 84 is articulated with the one end of second transmission connecting rod 83, and the other end and the knob 9 of second transmission connecting rod 83 are articulated, and the second torsional spring setting is between second transmission connecting rod 83 and spring bolt connecting rod 81.

The latch bolt 5, the square bolt 6 and the lock bolt 8 are sequentially arranged on the panel 13 of the shell from top to bottom, and the square core 3 is arranged in an area between the lock bolt connecting rod 81 and the lock plate 61.

Two limit stop 37 about the periphery of square core 3 is equipped with, be equipped with spacing post 14 in the shell between two corresponding limit stop 37.

The square core return spring 36 is a torsion spring, contact pins 361 are arranged on the left side and the right side of the square core return spring, two stop levers 16 are respectively arranged in the shell corresponding to the two contact pins 361, and the contact pins 361 abut against the corresponding stop levers 16; the square core 3 is provided with a spring contact block 31 corresponding to the contact pin 361, the spring contact block 31 is arranged at the rear side of the square core 3 and is positioned at the periphery of the rear boss 34, and the square core return spring 36 is sleeved outside the rear boss 34.

The working principle is as follows: referring to fig. 6 and 7, when the latch 5 is extended and the latch 6 is retracted, the inner handle is pressed downward, and the square core 3 rotates in the direction of arrow a1 (clockwise), and idles relative to the dial wheel 2 in the limited stroke, the transmission contact block 35 on the left side of the square core 3 pushes the latch push rod 53 to move in the direction of arrow B1, and the transmission contact block 35 pushes the swing arm 52 to move clockwise in the direction of arrow C1, and drives the latch 5 to retract in the direction of arrow D1. In the state shown in fig. 6, when the door inner handle is lifted upwards, and the square core 3 rotates along the arrow direction a2 (counterclockwise), the square core 3 drives the thumb wheel 2 to rotate together, the square core 3 drives the shifting block 4 to rotate along the arrow direction B2 so as to drive the square tongue 6 to extend out along the arrow direction C2, and the top lever 71 and the ground lever 74 extend out along the arrow directions E2 and D2 respectively, so as to realize lifting and locking; after releasing the lifting force on the handle, the handle and the square core 3 connected with the handle are reset to the state shown in fig. 6, and the thumb wheel 2 is in the state of rotating for a certain angle along the arrow direction A2, which is not shown in the figure. In addition, turning the knob 9 in the direction of the arrow a3 causes the deadbolt 8 to extend in the direction of the arrow B3, while the first drive link 8484 moves in the direction of the arrow D3. Under the state that the square bolt 6, the latch bolt 5, the top and bottom rods 71 and the top and bottom rods 74 are extended (the bolt 8 can be extended or retracted), the square core 3 is rotated along the arrow A1, the latch bolt 5 moves along the arrow D1 direction in the manner, the square core 3 drives the shifting block 4 to move anticlockwise, and therefore the square bolt 6 and the top and bottom rods 74 are driven to retract into the shell, and downward pressing unlocking is achieved; if the bolt 8 is in the extended state, the square core 3 is rotated along arrow a1, the other driving contact block 35 of the square core 3 triggers the bolt push rod 82 to move along arrow E1, the bolt push rod 82 triggers the first driving link 84, and the first driving link 84 drives the knob 9 to rotate along arrow G1 through the second driving link 83, thereby controlling the bolt 8 to retract.

Claims

1. The utility model provides a lock with lock fast and function of unblanking, includes shell, latch bolt (5), square bolt (6) and square core subassembly, its characterized in that: the square core assembly comprises a square core (3), a shifting wheel (2) and a square core reset spring (36) for driving the square core (3) to reset, the square core (3) is arranged in the shell in a limiting and rotating mode, the square core (3) is in transmission fit with the shifting wheel (2) within a certain rotation angle range, the shifting wheel (2) is in transmission connection with a square bolt (6), and the square core (3) is in transmission connection with an oblique bolt (5) through an oblique bolt transmission piece; when the latch bolt (5) extends and the square bolt (6) retracts, the square core (3) rotates towards a certain direction and idles relative to the shifting wheel (2), the square core (3) only drives the latch bolt (5) to retract, and the square core (3) rotates towards the other direction and is driven by the shifting wheel (2) to extend the square bolt (6); when the square tongue (6) and the oblique tongue (5) are in an extending state, the square core (3) drives the oblique tongue (5) and the square tongue (6) to retract when rotating towards a certain direction.

2. The door lock with quick locking and unlocking function according to claim 1, characterized in that: the rear side of square core (3) is equipped with back boss (34), and the outer wall of back boss (34) is equipped with arch (32), and the center that square core (3) correspond back boss (34) is equipped with square hole (33), and both sides around square core (3) are run through in square hole (33), and the front side of square core (3) is equipped with transmission touch multitouch (35), and transmission touch multitouch (35) are connected with latch bolt (5) transmission through the latch bolt transmission spare.

3. The door lock with quick locking and unlocking function according to claim 1, characterized in that: a pull rod (56), a movable baffle plate (51) and a compression spring (57) are arranged at the inner end of the oblique tongue (5), two ends of the pull rod (56) are respectively connected with the oblique tongue (5) and the movable baffle plate (51), the movable baffle plate (51) is in linear sliding fit with the shell, the compression spring (57) is sleeved outside the pull rod (56), one end of the compression spring (57) is abutted against the oblique tongue (5), and a fixed baffle plate (17) is arranged in the shell corresponding to the other end of the compression spring (57); the latch bolt driving medium comprises a latch bolt push rod (53) and a swing arm (52), the latch bolt push rod (53) is arranged in the shell in a sliding mode, one end of the latch bolt push rod (53) points to the transmission contact block (35), the swing arm (52) is arranged in the shell in a rotating mode, the swing arm (52) is provided with two swing feet, the other end of the latch bolt push rod (53) points to one swing foot of the swing arm (52), and the other swing foot of the swing arm (52) is used for shifting the movable baffle (51).

4. The door lock with quick locking and unlocking function according to claim 2, characterized in that: the inner end of the square bolt (6) is provided with a locking plate (61) and a shifting block (4), and the shifting wheel (2) is in transmission connection with the square bolt (6) through the shifting block (4) and the locking plate (61); the outer wall of a rear boss (34) of the square core (3) is provided with a bulge (32), the shifting wheel (2) is provided with a central hole (21) corresponding to the rear boss (34), the inner wall of the central hole (21) is provided with an arc-shaped limiting groove (22), the rear boss (34) is in running fit with the central hole (21), the bulge (32) is inserted into the arc-shaped limiting groove (22) and rotates in the range of the arc-shaped limiting groove (22), and the periphery of the shifting wheel (2) is provided with a driving tooth surface (23); the shifting block (4) is rotatably arranged in the shell, a driven tooth surface (44) and a shifting rod (43) are arranged on the periphery of the shifting block (4), the driven tooth surface (44) is meshed with the original moving tooth surface (23), a square tongue transmission pin (41) is arranged on the surface of the shifting rod (43), a square tongue transmission chute (63) is arranged on the surface of the locking plate (61), the square tongue transmission pin (41) is inserted into the square tongue transmission chute (63), and a first torsion spring (42) is arranged between the shifting block (4) and the shell.

5. The door lock with quick locking and unlocking function according to claim 4, wherein: the center of the shifting block (4) is provided with a guide rod (45), the surface of the locking plate (61) is provided with a yielding groove (62) corresponding to the guide rod (45), and the direction of the yielding groove (62) is consistent with the telescopic motion direction of the square bolt (6).

6. The door lock with quick locking and unlocking function according to claim 4, wherein: still be equipped with in the shell and go up pole (71) and ground pole (74), go up pole (71) and ground pole (74) point to from top to bottom respectively and respectively with shell upper and lower sliding fit, go up pole (71) and ground pole (74) surface and all be equipped with world pole transmission chute (72), jam plate (61) surface corresponds world pole transmission chute (72) and is equipped with world pole transmission round pin (64), and world pole transmission round pin (64) insert world pole transmission chute (72).

7. The door lock with quick locking and unlocking function according to claim 4, wherein: the shell is also internally provided with a bolt (8), a bolt connecting rod (81), a knob (9) and an unlocking transmission piece, the inner end of the bolt (8) is connected with the bolt connecting rod (81), the knob (9) is in running fit with the shell, the knob (9) is used for driving the bolt connecting rod (81), the unlocking transmission piece comprises a bolt push rod (82), a first transmission connecting rod (84), a second transmission connecting rod (83) and a second torsion spring, the bolt push rod (82) is arranged in the shell in a sliding way, the square core (3) is provided with another transmission contact block (35) corresponding to one end of the bolt push rod (82), the bolt push rod (82) is used for touching the first transmission connecting rod (84), the first transmission connecting rod (84) is hinged to one end of the second transmission connecting rod (83), the other end of the second transmission connecting rod (83) is hinged to the knob (9), and the second torsion spring is arranged between the second transmission connecting rod (83) and the bolt connecting rod (81).

8. The door lock with quick locking and unlocking function according to claim 7, wherein: oblique tongue (5), square tongue (6) and spring bolt (8) are arranged on panel (13) of shell from last to bottom in proper order, square core (3) set up the region between spring bolt connecting rod (81) and jam plate (61).

9. The door lock with quick locking and unlocking function according to claim 1, characterized in that: two limit stop (37) about the periphery of square core (3) is equipped with, be equipped with spacing post (14) between two limit stop (37) of correspondence in the shell.

10. The door lock with quick locking and unlocking function according to claim 2, characterized in that: the square core return spring (36) is a torsion spring, contact pins (361) are arranged on the left side and the right side of the square core return spring, two stop levers (16) are respectively arranged in the shell corresponding to the two contact pins (361), and the contact pins (361) are abutted against the corresponding stop levers (16); the square core (3) is provided with a spring contact block (31) corresponding to the contact pin (361), the spring contact block (31) is arranged on the rear side of the square core (3) and located at the periphery of the rear boss (34), and a square core reset spring (36) is sleeved outside the rear boss (34).