CN111593964B

CN111593964B - Door lock

Info

Publication number: CN111593964B
Application number: CN202010444388.XA
Authority: CN
Inventors: 兰志明
Original assignee: Bull Group Co Ltd
Current assignee: Ningbo Bull Intelligent Technology Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-09-10
Anticipated expiration: 2040-05-22
Also published as: CN111593964A

Abstract

The invention discloses a door lock, relates to the technical field of locks, and aims to solve the problems that a lock body needs to be replaced simultaneously when the door lock is replaced, and particularly, the replacement cost is high when the replaced lock body is different from the original lock body in specification. The door lock comprises a panel assembly, wherein the panel assembly comprises a shell and a handle, a driving disc assembly is arranged in the shell and fixedly connected with the handle, and an adjusting mechanism is also arranged in the shell and comprises a driving gear and is connected with the driving disc assembly and rotates along with the driving disc assembly; the back plate is fixed on the shell and is provided with a first strip-shaped hole along the vertical direction; the sliding piece is arranged on the back plate in a sliding manner, a rack is fixedly connected to the sliding piece, and the rack is meshed with the driving gear; the square steel fluted disc comprises a driven gear and a bulge which are fixedly connected, the driven gear is meshed with the rack, the bulge is arranged in the first strip-shaped hole, and a mounting hole is formed in the bulge and used for mounting the square rod; and the fastener is used for fixing the relative position of the bulge and the back plate.

Description

Door lock

Technical Field

The invention relates to the technical field of locks, in particular to a door lock.

Background

A door lock is a device used for locking a door body and preventing other people from opening the door body, and is generally used in families or public places.

Two key parameters of the door lock are shown in fig. 1, fig. 1 is a schematic structural diagram of a lock body installed inside an inner body, L1 is a center-to-center distance, the center-to-center distance is a distance between a center point of a handle and a center point of a key hole, L2 is a lockage distance, and the lockage distance is a distance between the center point of the key hole and an edge of a door body.

Because when the installation lock, the lock needs the centre-to-centre spacing phase-match with the lock body, just can normally install the lock, consequently, when the lock breaks down, need communicate the lock body and together change, the replacement cost is higher, and after the lock body of renewal, if the lockstitch of the new lock body that the new lock matches is greater than the lockstitch of old lock body, then need reprocess new mounting hole on the door body, probably lead to new lock body can not cover former mounting hole, be unfavorable for wholly pleasing to the eye, influence the normal installation of lock body.

Disclosure of Invention

The embodiment of the invention provides a door lock, which can adjust the center distance of the door lock according to the center distance of lock bodies in a door body, so that the door lock can be matched with various different lock bodies, the replacement cost of the door lock is reduced, and the installation difficulty is reduced.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

the embodiment of the invention provides a door lock, which comprises a panel assembly, wherein the panel assembly comprises a shell and a handle, the shell is arranged on a door body and fixedly connected with the door body, the handle is rotatably connected to the outer wall of the shell, a driving disc assembly is arranged in the shell and fixedly connected with the handle, an adjusting mechanism is also arranged in the shell, and the adjusting mechanism comprises:

the driving gear is connected with the driving disc assembly and rotates together with the driving disc assembly;

the back plate is fixed on one side, facing the door body, of the shell, and a first strip-shaped hole is formed in the back plate in the vertical direction;

the sliding piece is arranged on the back plate in a sliding mode along the vertical direction, a rack is fixedly connected to the sliding piece and arranged along the vertical direction, and the rack is meshed with the driving gear;

the square steel fluted disc comprises a driven gear and a bulge fixed on the end face of the driven fluted disc, the driven gear is meshed with the rack, the bulge is arranged in the first strip-shaped hole and can adjust the position along the length direction of the first strip-shaped hole, a mounting hole is formed in the surface, facing the door body, of the bulge along the axial direction of the driven gear, and the mounting hole is used for mounting a square rod connected with the lock body and driving the square rod to rotate;

and the fastener is used for fixing the relative position of the bulge and the back plate.

Optionally, the slider includes sliding block and fixed block, second bar hole has been seted up along vertical direction on the sliding block, the fixed block set up in the second bar hole and with backplate fixed connection, the sliding block set up in drive disc subassembly with between the backplate, the sliding block can for the fixed block slides along vertical direction, the rack set up in on the lateral wall of sliding block.

Optionally, an elastic element is disposed between the sliding block and the fixed block, and the elastic element is configured to provide a reset force for resetting the sliding block in a direction opposite to a sliding direction of the sliding block.

Optionally, the elastic component including set up in the downthehole spring of second bar, the spring includes first body and second body, first body with the second body passes through linking arm fixed connection, the limiting plate has still set firmly on the sliding block, the limiting plate set up in first body with between the second body, be provided with on the limiting plate and be used for the installation the groove of dodging of linking arm, the fixed block is provided with two, two the fixed block set up respectively in the both ends of spring and with spring fixed connection, when the sliding block slides, first body with one in the second body quilt the limiting plate is tensile, another quilt the limiting plate compression.

Optionally, the both ends of spring all are provided with solid fixed ring, be equipped with the mounting groove on the fixed block, set up the fixed orifices in the mounting groove, gu fixed ring set up in the mounting groove, the mounting has been inserted in the fixed orifices, the mounting will fixed block, solid fixed ring with backplate fixed connection.

Optionally, the protrusion is of a cylindrical structure, the fastener includes a gasket and a snap spring, the gasket and the driven gear are respectively disposed on two sides of the back plate, the gasket is sleeved on the protrusion and is fixedly connected with the back plate, the snap spring is clamped in a clamping groove formed in the protrusion along the circumferential direction of the driven gear, and the snap spring and the back plate are respectively disposed on two sides of the gasket.

Optionally, a tangent plane is axially arranged on the side wall of the protrusion.

Optionally, the driving disc assembly includes a driving disc and a driving disc capable of transmitting torque therebetween, the driving disc is fixedly connected to the handle, the driving gear is fixed to a surface of the driving disc, which is far away from the driving disc, the sliding member is disposed between the driving disc and the back plate, and a reversing mechanism is disposed between the driving disc and the driving disc.

Optionally, the reversing mechanism includes a groove formed in a face of the driving disc facing the driving disc, and a boss fixed to the face of the driving disc facing the driving disc, a stopper is arranged in the groove, the stopper is of a semicircular structure, the boss extends into the groove and is attached to an inner wall of the stopper, a limit block is arranged on a side wall of the boss, and the limit block abuts against an end face of the stopper.

Optionally, a cushion block is arranged at the end part of the square rod, and the cushion block is detachably connected with the square rod.

Optionally, a cutting groove is arranged on the side wall of the square rod.

According to the door lock provided by the embodiment of the invention, the central distance of the door lock is adjusted by arranging the adjusting mechanism in the shell, the adjusting mechanism drives the rack to slide up and down through the driving gear, the driven gear is driven by the gear to rotate, the driven gear is fixedly connected with the bulge, and the square rod connected with the lock body is arranged in the mounting hole in the bulge and can be driven to rotate, so that the torque of the rotating handle is transmitted to the lock body, and unlocking is completed; because handle pivoted moment of torsion passes through driven gear and transmits to the lock body, the centre-to-centre spacing of this lock is driven gear's rotation center to the distance between the key hole promptly, and driven gear and protruding fixed connection, first bar hole adjusting position on the backplate can be followed to the arch, after square fluted disc adjusts to suitable position, through the fastener with protruding fixed with the backplate can, thereby accomplish the regulation of the centre-to-centre spacing of lock, make the lock can adapt to multiple lock body, when changing the lock, need not change together with the lock body, reduce and trade the lock cost, and because old lock body does not change, the lock limit apart from of lock body does not change promptly, therefore, do not need trompil on the door body again, during the installation lock, only need adjust the centre-to-centre spacing of lock, then install the lock in former mounting hole department can, thereby reduce the installation degree of difficulty.

Drawings

FIG. 1 is a schematic diagram of a lock body according to the prior art;

FIG. 2 is a cross-sectional view of the overall structure of the door lock according to the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an exploded view of an outer panel assembly of a door lock provided in accordance with an embodiment of the present invention (housing and handle not shown);

fig. 5 is an assembled front view (not showing a driving plate) of an outer panel assembly of the door lock according to the embodiment of the present invention;

FIG. 6 is a rear view of FIG. 5;

FIG. 7 is a schematic structural diagram of a driving disk according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a drive gear on a transmission plate according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a protrusion on a transmission disc provided in an embodiment of the present invention (for use in an outer panel assembly, only one stopper is provided);

fig. 10 is a schematic structural diagram of a protrusion on a transmission disc provided in an embodiment of the present invention (for use in an inner panel assembly, two limit blocks are provided);

FIG. 11 is a schematic view of the overall structure of the rack and the slider according to the embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a spring according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a square fluted disc according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a fixing block according to an embodiment of the present invention;

fig. 15 is a schematic diagram of a square bar structure according to an embodiment of the present invention.

Description of the drawings: 100. a housing; 110. a handle; 200. a drive disc; 210. a groove; 220. a stopper; 230. an elastic pin; 300. a drive plate; 310. a drive gear; 320. a boss; 330. a limiting block; 340. a pin slot; 400. a back plate; 410. a first bar-shaped hole; 500. a rack; 510. a slider; 520. a second bar-shaped hole; 521. a limiting plate; 522. an avoidance groove; 530. a fixed block; 531. mounting grooves; 532. a fixing hole; 540. a spring; 541. a first body; 542. a second body; 543. a connecting arm; 544. a fixing ring; 600. a square steel fluted disc; 610. a driven gear; 620. a protrusion; 621. mounting holes; 622. a card slot; 623. cutting into noodles; 624. a pressure spring; 700. a gasket; 710. a clamp spring; 800. a square bar; 810. cushion blocks; 820. grooving; 900. a lock body; 910. an outer panel assembly; 920. an inner panel assembly.

Detailed Description

A door lock according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2 and 3, the door lock according to the embodiment of the present invention includes an outer panel assembly 910 installed on an outer side of a door body and an inner panel assembly 920 installed on an inner side of the door body, where the outer panel assembly 910 and the inner panel assembly 920 are respectively connected to two ends of a square bar 800 on a lock body 900 inside the door body, and internal structures of the inner panel assembly 920 and the outer panel assembly 910 are substantially the same.

As shown in fig. 3 and 4, the outer panel assembly 910 or the inner panel assembly 920 includes a housing 100 and a handle 110, the housing 100 is disposed on a door body and fixedly connected to the door body, the handle 110 is rotatably connected to an outer wall of the housing 100, a drive disc assembly is disposed in the housing 100 and fixedly connected to the handle 110, and an adjusting mechanism is further disposed in the housing 100, and as shown in fig. 5 and 6, the adjusting mechanism includes a driving gear 310 and is connected to the drive disc assembly and rotates together with the drive disc assembly; the back plate 400 is fixed on one side, facing the door body, of the shell 100, and a first strip-shaped hole 410 is formed in the back plate 400 in the vertical direction; the sliding part is arranged on the back plate 400 in a sliding manner along the vertical direction, a rack 500 is fixedly connected to the sliding part, the rack 500 is arranged along the vertical direction, and the rack 500 is meshed with the driving gear 310; as shown in fig. 13, the square fluted disc 600 includes a driven gear 610 and a protrusion 620 fixed on an end surface of the driven fluted disc, the driven gear 610 is engaged with the rack 500, the protrusion 620 is disposed in the first strip-shaped hole 410 and can adjust a position along a length direction of the first strip-shaped hole 410, a mounting hole 621 is formed on a surface of the protrusion 620 facing the door body along an axial direction of the driven gear 610, and the mounting hole 621 is used for mounting a square rod 800 connected to the lock body 900 and driving the square rod 800 to rotate; a fastener for fixing the relative position of the protrusion 620 and the back plate 400.

According to the door lock provided by the embodiment of the invention, the center distance of the door lock is adjusted by arranging the adjusting mechanism in the shell 100, the adjusting mechanism drives the rack 500 to slide up and down through the driving gear 310, the driven gear 610 is driven to rotate by the gear, the driven gear 610 is fixedly connected with the protrusion 620, the square rod 800 connected with the lock body 900 is installed in the installation hole 621 of the protrusion 620 and can drive the square rod 800 to rotate, so that the torque of the rotating handle 110 is transmitted to the lock body 900, and unlocking is completed; since the torque of the rotation of the handle 110 is transmitted to the lock body 900 through the driven gear 610, that is, the distance between the centers of the lock and the key hole is the distance between the rotation center of the driven gear 610 and the key hole, and the driven gear 610 is fixedly connected with the protrusion 620, the protrusion 620 can adjust the position along the first strip-shaped hole 410 on the back plate 400, after the square fluted disc 600 is adjusted to a proper position, the protrusions 620 are fixed with the back plate 400 through the fasteners, thereby completing the adjustment of the center distance of the door lock, enabling the door lock to adapt to various lock bodies 900, and when the door lock is replaced, there is no need to replace the lock body 900, reducing the cost of replacing the lock, and since the old lock body 900 is not replaced, that is, the locking edge distance of the lock body 900 is not changed, so that it is not necessary to newly open a hole in the door body, and then when the door lock is installed, the center distance of the door lock is adjusted, and the door lock is installed at the original position, so that the installation difficulty is reduced.

As shown in fig. 5, the sliding member according to an embodiment of the present invention includes a sliding block 510 and a fixed block 530, a second bar-shaped hole 520 is formed in the sliding block 510 along a vertical direction, the fixed block 530 is disposed in the second bar-shaped hole 520 and is fixedly connected to the backplate 400, the sliding block 510 is disposed between the drive disc assembly and the backplate 400, the sliding block 510 can slide in the vertical direction relative to the fixed block 530, and the rack 500 is disposed on a side wall of the sliding block 510. Through set up the second bar hole 520 that extends along vertical direction on sliding block 510 to set up fixed block 530 in second bar hole 520, fixed block 530 and backplate 400 fixed connection, sliding block 510 sets up between drive disc subassembly and backplate 400, thereby restriction sliding block 510 is along the displacement of horizontal direction, when drive gear 310 rotated, can drive rack 500 and sliding block 510 and slide along vertical direction.

An elastic member is disposed between the sliding block 510 and the fixed block 530, and the elastic member is used for providing a reset force for the sliding block 510 to reset in a direction opposite to the sliding direction of the sliding block. When the handle 110 is rotated, the driving gear 310 is rotated by the driving disc assembly, and the rack bar 500 and the sliding block 510 are slid by the driving gear 310, at this time, the reset member provides a reset force to the sliding block 510, and when the door is opened and the user releases his/her hand, the reset force can make the sliding block 510 drive the rack bar 500 to reset, and can play a role in positioning the rack bar 500 and preventing the rack bar 500 from moving.

As shown in fig. 5, the elastic member according to the embodiment of the present invention includes a spring 540 disposed in the second bar hole 520, as shown in fig. 12, the spring 540 includes a first body 541 and a second body 542, the first body 541 and the second body 542 are fixedly connected by a connecting arm 543, as shown in fig. 11, a position-limiting plate 521 is further fixedly disposed on the sliding block 510, the position-limiting plate 521 is disposed between the first body 541 and the second body 542, the limiting plate 521 is provided with an avoiding groove 522 for mounting the connecting arm 543, two fixing blocks 530 are provided, the two fixing blocks 530 are respectively provided at both ends of the spring 540 and fixedly connected with the spring 540, when the sliding block 510 slides, one of the first body 541 and the second body 542 is stretched by the stopper plate 521, and the other is compressed by the stopper plate 521. Through setting up spring 540 to two, first body 541 and second body 542 promptly, pass through linking arm 543 fixed connection in the middle of the two, the limiting plate 521 that sets up on the sliding block 510 sets up between first body 541 and second body 542, two fixed blocks 530 respectively with the both ends fixed connection of spring 540, can prevent through two fixed blocks 530 that the sliding block 510 from rotating around fixed block 530, and when sliding block 510 slided, limiting plate 521 compresses one of first body 541 and second body 542, another is tensile, thereby make first body 541 and second body 542 all provide one with the opposite reset force of slip direction, make whole transmission structure reset more rapidly.

Preferably, as shown in fig. 5 and 12, fixing rings 544 are disposed at two ends of the spring 540, as shown in fig. 14, a mounting groove 531 is disposed on the fixing block 530, a fixing hole 532 is disposed in the mounting groove 531, the fixing ring 544 is disposed in the mounting groove 531, a fixing member is inserted into the fixing hole 532, and the fixing member fixedly connects the fixing block 530 and the fixing ring 544 to the back plate 400. The spring 540 and the fixing block 530 are fixedly connected to the back plate 400 by fasteners, which may be screws or rivets, penetrating through the fixing ring 544 and the fixing holes 532.

In some embodiments, as shown in fig. 6 and 13, the protrusion 620 is a cylindrical structure, the fastener includes a spacer 700 and a clamp spring 710, the spacer 700 and the driven gear 610 are respectively disposed on two sides of the back plate 400, the spacer 700 is sleeved on the protrusion 620 and is fixedly connected to the back plate 400, the clamp spring 710 is clamped in a clamp groove 622 formed on the protrusion 620 along the circumferential direction of the driven gear 610, and the clamp spring 710 and the back plate 400 are respectively disposed on two sides of the spacer 700. Through locating pad 700 on protruding 620 and with backplate 400 fixed connection to can restrict protruding 620 and remove along the length direction of first bar hole 410, in the draw-in groove 622 of jump ring 710 joint on protruding 620, thereby can restrict protruding 620 and along driven gear 610's axial displacement, square fluted disc 600 is fixed in on backplate 400, and only can rotate around the axis of protruding 620.

Preferably, as shown in fig. 6 and 13, a cut surface 623 is axially disposed on a sidewall of the protrusion 620. Thereby make and form the clearance between tangent plane 623 and the pore wall of first bar hole 410, when the position of square fluted disc 600 needs to be adjusted, only need to separate the fixed knot structure between gasket 700 and backplate 400, can make square fluted disc 600 remove in first bar hole 410, because leave the clearance between the pore wall of protruding 620 and first bar hole 410, consequently square fluted disc 600 can move to the direction of keeping away from rack 500 along the horizontal direction, make driven gear 610 and rack 500 separate, then adjust the position of square fluted disc 600 along the length direction of first bar hole 410, it can on backplate 400 to fix it again at last.

As shown in fig. 3, the driving disc assembly provided in the embodiment of the present invention includes a driving disc 200 and a driving disc 300 capable of transmitting torque therebetween, the driving disc 200 is fixedly connected to the handle 110, as shown in fig. 6 and 8, the driving gear 310 is fixed on a surface of the driving disc 300 away from the driving disc 200, the sliding member is disposed between the driving disc 300 and the back plate 400, and a reversing mechanism is disposed between the driving disc 200 and the driving disc 300. The driving disc assembly comprises a driving disc 200 and a driving disc 300 which can transmit torque to each other, so that when the handle 110 rotates to drive the driving disc 200 to rotate, the driving disc 300 and the driving gear 310 can be driven to rotate, the torque for rotating the handle 110 is transmitted to the driven gear 610 and then transmitted to the lock body 900, a reversing mechanism is arranged between the driving disc 200 and the driving disc 300, and therefore when the handle 110 is installed, the direction of the handle 110 can be adjusted according to the rotating direction of the door body.

In some embodiments, as shown in fig. 4 and 7, the reversing mechanism includes a groove 210 formed in a surface of the driving disc 200 facing the driving disc 300, as shown in fig. 9, and a boss 320 fixed to a surface of the driving disc 300 facing the driving disc 200, a stopper 220 is disposed in the groove 210, the stopper 220 is a semicircular ring structure, the boss 320 extends into the groove 210 and is attached to an inner wall of the stopper 220, a limit block 330 is disposed on a side wall of the boss 320, and the limit block 330 abuts against an end surface of the stopper 220. The groove 210 is arranged on the driving disc 200, the groove 210 is arranged to be a circular groove 210, the semicircular stopper 220 is arranged in the groove 210, the boss 320 is arranged on the driving disc 300, the boss 320 is also arranged to be a cylindrical structure and matched with the inner diameter of the semicircular stopper 220, the boss 320 is arranged in the groove 210 and attached to the inner wall of the stopper 220, the side wall of the boss 320 is provided with the limit block 330, the limit block 330 is abutted to the end surface of the circular ring structure of the stopper 220, thereby the rotation range of the driving disc 300 can be limited by the stopper 220, when the handle 110 needs to be reversed, the casing 100 is only required to be detached, the driving disc 200 is separated from the driving disc 300, then the handle 110 is rotated 180 degrees, the driving disc 200 and the driving disc 300 are installed together, specifically, the driving disc 300 is rotated, and the limit block 330 on the driving disc 300 is abutted to the other end surface of the semicircular ring structure of the stopper 220, can accomplish the switching-over, because it is fixed not need through fastening elements such as screw between driving-disc 200 and the driving disc 300, consequently, during actual operation, only need pull down casing 100, rotate the back with driving disc 300, rotate 180 with handle 110 again, then install casing 100 fixed can, the installation is simple and convenient.

It should be noted that the door lock provided by the embodiment of the present invention is applicable to a mechanical lock body and may be applicable to an electronic lock body, and is not limited specifically herein.

In some embodiments, the outer panel assembly 910 is disposed outside the door body and needs to be unlocked by a key, a password, a fingerprint, or the like, and therefore, a clutch mechanism is further disposed between the driving disc 200 and the driving disc 300 of the outer panel assembly 910, and the driving disc 200 and the driving disc 300 are engaged and disengaged by the clutch mechanism, when the driving disc 200 is engaged with the driving disc 300, torque can be transmitted between the driving disc 200 and the driving disc 300, that is, the lock body 900 can be driven to operate and open the door, and when the driving disc 200 is disengaged from the driving disc 300, torque cannot be transmitted between the driving disc 200 and the driving disc 300, and the lock body 900 cannot be driven to operate, that is, the lock cannot be unlocked. As shown in fig. 4 and 7, the clutch assembly includes an elastic pin 230 disposed on a sidewall of a groove 210 on a driving disc 200, the elastic pin 230 being slidable in a radial direction of the circular groove 210, as shown in fig. 9, and a pin groove 340 opened on a sidewall of a boss 320 of a driving disc 300, when the elastic pin 230 is inserted into the pin groove 340, the driving disc 200 is engaged with the driving disc 300, and when the elastic pin is withdrawn from the pin groove 340, the driving disc 200 is separated from the driving disc 300, the elastic pin 230 is controlled to slide by a clutch disposed in a housing 100 of an outer panel assembly 910, so that when a user inputs a correct password or verifies that a fingerprint passes, the clutch drives the elastic pin to be inserted into the pin groove 340 to couple the driving disc 200 and the driving disc 300 to each other, at this time, a door can be opened by rotating a handle 110, and when the user inputs a wrong password or does not pass verification of a fingerprint, the clutch is not operated, the elastic pin is fixed to slide, and at this time, the handle 110 is rotated, the driving disc 200 and the driving disc 300 are relatively rotated, that is, the limit block 330 and the stop block 220 are separated from each other.

In addition, the inner panel assembly 920 is disposed at the inner side of the door body, so that it is not necessary to verify information for opening the door, and therefore, a clutch mechanism is not required to be disposed between the driving disc 200 and the driving disc 300 of the inner panel assembly 920, and the driving disc 200 and the driving disc 300 are not required to be separated from each other, and can normally transmit torque, therefore, the driving disc 300 disposed inside the inner panel assembly 920, as shown in fig. 4 and 10, is provided with two limiting blocks 330 symmetrically disposed with respect to the center of the circle of the boss 320 on the sidewall of the boss 320, that is, when the boss 320 extends into the groove 210, the two limiting blocks 330 respectively abut against the two end surfaces of the semicircular block 220, so that when the handle 110 on the inner panel assembly 920 is rotated, torque can be transmitted between the driving disc 200 and the driving disc 300 regardless of the rotation direction, and thus the door can be opened at any time, and the handle 110 of the inner panel assembly 920 is not affected in reversing, that is, the housing 100 of the inner panel assembly 920 is removed, and the driving disc 200 and the handle 110 are rotated by 180 °, that is, the positions of the two limiting blocks 330 are exchanged, and then the housing 100 is fixed.

In addition, the inner panel assembly 920 and the outer panel assembly 910 are both provided with an upper adjusting mechanism, so that both the inner panel assembly 920 and the outer panel assembly 910 can adapt to the old lock body 900 inside the door body, and then both ends of the square rod 800 on the old lock body 900 are respectively inserted into the mounting holes 621 on the protrusions 620 inside the inner panel assembly 920 and the outer panel assembly 910.

In some embodiments, as shown in fig. 3, a block 810 is disposed at an end of the square bar 800, and the block 810 is detachably connected to the square bar 800. Through connecting cushion 810 on square bar 800, can increase the length of square bar 800 according to the thickness of the door body to can adapt to the door body of different thickness, and can dismantle between square bar 800 and the cushion 810 and be connected, thereby be convenient for change different cushion 810.

Specifically, the square bar 800 and the cushion block 810 may be connected by a screw, or may be connected and fixed by other detachable connection methods, which is not limited herein.

In some embodiments, as shown in fig. 4 and 15, a slot 820 is formed on a sidewall of the square bar 800. The cutting slot 820 may be broken when the handle 110 is subjected to an abnormal external force, thereby protecting the components inside the housing 100 from being damaged.

In some embodiments, as shown in fig. 3 and 13, a compression spring 624 is disposed in the mounting hole 621, and the compression spring 624 abuts between the bottom of the mounting hole 621 and the end of the square bar 800. By installing the compression springs 624 in the installation holes 621 of the inner panel assembly 920 and the outer panel assembly 910, the two ends of the square bar 800 and the block 810 are pressed by the compression springs 624, so that the square bar 800 and the block 810 are prevented from shaking.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a door lock, includes panel components, panel components includes casing and handle, the casing set up on the door body and with door body fixed connection, the handle rotate connect in on the outer wall of casing, be provided with drive disc subassembly in the casing, drive disc subassembly with handle fixed connection, its characterized in that, still be provided with adjustment mechanism in the casing, adjustment mechanism includes:

the fastener is used for fixing the relative position of the bulge and the back plate;

the sliding piece comprises a sliding block and a fixed block, a second strip-shaped hole is formed in the sliding block in the vertical direction, the fixed block is arranged in the second strip-shaped hole and is fixedly connected with the back plate, the sliding block is arranged between the driving disc assembly and the back plate, the sliding block can slide in the vertical direction relative to the fixed block, and the rack is arranged on the side wall of the sliding block;

a tangent plane is axially arranged on the side wall of the protrusion, and a gap is reserved between the protrusion and the hole wall of the first strip-shaped hole.

2. The door lock according to claim 1, wherein an elastic member for providing a return force for returning the slide block in a direction opposite to a sliding direction thereof is provided between the slide block and the fixed block.

3. The door lock according to claim 2, wherein the elastic member comprises a spring disposed in the second bar-shaped hole, the spring comprises a first body and a second body, the first body and the second body are fixedly connected through a connecting arm, a limiting plate is further fixedly disposed on the sliding block, the limiting plate is disposed between the first body and the second body, an avoiding groove for mounting the connecting arm is disposed on the limiting plate, two fixing blocks are disposed, the two fixing blocks are respectively disposed at two ends of the spring and fixedly connected with the spring, and when the sliding block slides, one of the first body and the second body is stretched by the limiting plate and the other is compressed by the limiting plate.

4. The door lock according to claim 3, wherein fixing rings are disposed at both ends of the spring, a mounting groove is disposed on the fixing block, a fixing hole is disposed in the mounting groove, the fixing ring is disposed in the mounting groove, a fixing member is inserted into the fixing hole, and the fixing member fixedly connects the fixing block, the fixing ring and the back plate.

5. The door lock according to any one of claims 1 to 4, wherein the protrusion has a cylindrical structure, the fastening member includes a washer and a clip, the washer and the driven gear are respectively disposed on two sides of the back plate, the washer is sleeved on the protrusion and is fixedly connected to the back plate, the clip is clipped in a clip groove formed on the protrusion along a circumferential direction of the driven gear, and the clip and the back plate are respectively disposed on two sides of the washer.

6. The door lock according to any one of claims 1 to 4, wherein the driving plate assembly includes a driving plate and a driving plate capable of transmitting torque therebetween, the driving plate is fixedly connected to the handle, the driving gear is fixed to a surface of the driving plate away from the driving plate, the slider is disposed between the driving plate and the back plate, and a reversing mechanism is disposed between the driving plate and the driving plate.

7. The door lock according to claim 6, wherein the reversing mechanism comprises a groove formed in a surface of the driving disc facing the driving disc, and a boss fixed to a surface of the driving disc facing the driving disc, a stopper is arranged in the groove, the stopper is of a semicircular structure, the boss extends into the groove and is attached to an inner wall of the stopper, and a limit block is arranged on a side wall of the boss and abuts against an end surface of the stopper.

8. The door lock according to any one of claims 1 to 4, wherein a cushion block is arranged at the end part of the square bar, and the cushion block is detachably connected with the square bar.

9. A door lock according to any one of claims 1 to 4, wherein a slot is provided in a side wall of the square bar.