CN112267764B - Door lock with lockhole protection structure and working method thereof - Google Patents
Door lock with lockhole protection structure and working method thereof Download PDFInfo
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- CN112267764B CN112267764B CN202011251110.7A CN202011251110A CN112267764B CN 112267764 B CN112267764 B CN 112267764B CN 202011251110 A CN202011251110 A CN 202011251110A CN 112267764 B CN112267764 B CN 112267764B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
- E05B17/18—Closures or guards for keyholes shaped as lids or slides
- E05B17/186—Closures or guards for keyholes shaped as lids or slides sliding
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Abstract
The invention discloses a door lock with a lockhole protection structure and a working method, wherein the door lock with the lockhole protection structure comprises an upper protection cover, a lower protection cover, a lock shell body, an upper protection cover driving device, a lower protection cover driving device, a door handle, a lock cylinder, a lockhole and a front cover plate, wherein the upper protection cover driving device and the lower protection cover driving device can drive the upper protection cover and the lower protection cover to cover the positions of the lock cylinder and the front cover plate where the lockhole is located. According to the door lock with the lockhole protection structure, the upper protection cover and the lower protection cover are covered at the positions of the lock core and the lockhole, so that the firmness of the exterior and the interior of the mortise door lock is improved, the safety of a locked object is enhanced, namely the daily normal use of the conventional electronic door lock is not influenced, the malicious damage to the lockhole can be prevented, the opening of the protection covers can be controlled through the electronic controller or APP, the dual purposes of daily protection and no influence on use after failure are achieved, the daily use safety of the lock is further improved, and the service life of the lock is prolonged.
Description
Technical Field
The invention belongs to the technical field of mechanical basic parts and components, and particularly relates to a door lock with a lockhole protection structure. The invention also relates to a working method of the door lock with the lockhole protection structure.
Background
Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door. The door locks are classified into a plurality of categories, the requirements on the door locks are different in each occasion, and the anti-theft door lock is generally used in ordinary families, and is high in safety and low in price. The more and more the safety awareness of people in modern society, the door lock which plays a key role in family protection is a very concerned problem.
The mortise door lock is low in price, so that the use degree of the mortise door lock is popularized and applied. However, as a safety protection device, the violence damage prevention capability of the door lock is always weak, and the door lock is characterized in that the size of the lock cylinder of the door lock is small, the internal structural space is arranged tightly, and the locking structure of the lock cylinder and the lock body is too weak, so that a destroyer only needs to insert one screwdriver into the lock hole and forcibly twists the lock cylinder in different directions to damage the lock cylinder, so that the lock cylinder is separated from the lock body to rotate, and the safety state of a locked object is greatly threatened; however, the price of the electronic lock and the coded lock is quite expensive, so it is necessary to provide a mortise door lock with high security.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a door lock with a lock hole protection structure, which solves the problems that in the prior art, the lock hole of a mortise door lock is exposed outside, no reasonable protection structure is designed, the safety is low, once a person deliberately damages the lock hole, the unlocking is difficult, and the exposed lock hole is easily affected by humid air, so that the inside is rusted and the unlocking is difficult.
The technical scheme is as follows: a door lock with a lockhole protection structure comprises an upper protection cover, a lower protection cover, a lock shell body, an upper protection cover driving device, a lower protection cover driving device, a door handle, a lock cylinder, a lockhole and a front cover plate, wherein the upper protection cover driving device and the lower protection cover driving device are arranged inside the lock shell body, the upper protection cover driving device and the lower protection cover driving device are connected with the upper protection cover driving device and the lower protection cover driving device, the front cover plate covers the lock shell body, the door handle is arranged on the outer wall of the front cover plate, the lock cylinder is arranged on the lock shell body and the front cover plate, the lockhole is arranged on the lock cylinder, and the upper protection cover driving device and the lower protection cover driving device can drive the upper protection cover and the lower protection cover to cover the positions of the lock cylinder and the lockhole.
Further, the door lock with the lock hole protection structure comprises an upper protection cover push rod, a lower protection cover push rod, an upper driving gear, a lower driving gear, an upper driving rack, a lower driving rack and an upper protection cover driving assembly, wherein the upper protection cover push rod and the lower protection cover push rod are symmetrically arranged, the upper driving gear and the lower driving gear are symmetrically arranged, the upper driving rack and the lower driving rack are symmetrically arranged, the upper protection cover driving assembly and the lower protection cover driving assembly are arranged on the lock shell body, the upper driving rack and the lower driving rack are connected with the upper protection cover driving assembly and the lower protection cover driving assembly, the upper protection cover push rod, the upper driving gear and the upper driving rack are symmetrically arranged, the lower protection cover push rod, the lower driving gear and the lower driving rack are arranged in a one-to-one correspondence manner, go up drive rack and last drive gear meshing, drive rack and lower drive gear meshing down, the one end and the last drive gear of going up the protective cover push rod are connected, the one end and the lower drive gear of protective cover push rod are connected down, it can pass the protecgulum and go up the protective cover connection to go up the protective cover push rod and keep away from the other end of last drive gear, the other end that lower drive gear was kept away from to the protective cover push rod can pass the protecgulum and connect with lower protective cover down, the cross-section of going up protective cover and lower protective cover is the rectangle to it sets up relatively from top to bottom to go up the protective cover and lower protective cover.
Further, the door lock with the lockhole protection structure is characterized in that the front cover plate is provided with two upper rectangular through holes symmetrically arranged and two lower rectangular through holes symmetrically arranged, the two upper rectangular through holes symmetrically arranged and the two upper protective cover push rods symmetrically arranged are arranged in a one-to-one correspondence manner, the upper protective cover push rod is arranged in the upper rectangular through hole, the upper rectangular through holes respectively extend out of two ends of the upper protective cover push rod, the two lower rectangular through holes symmetrically arranged and the two lower protective cover push rods symmetrically arranged in a one-to-one correspondence manner, the lower protective cover push rod is arranged in the lower rectangular through hole, the lower rectangular through holes respectively extend out of two ends of the lower protective cover push rod, the upper protective cover push rod can swing up and down in the upper rectangular through hole by taking the upper driving gear as the circle center, the lower protective cover push rod can swing up and down in the lower rectangular through hole by taking the lower driving gear as the circle center, the upper driving gear and the lower driving gear are both hinged with the inner wall of the lock shell body.
Furthermore, the door lock with the lock hole protection structure is characterized in that the upper and lower protection cover driving assembly comprises a driving motor, a driving screw rod, a screw nut, a first support plate, a second support plate, two upper driving swing rods symmetrically arranged, two lower driving swing rods symmetrically arranged, a mounting plate, a first slide rail, a second slide rail, a third slide rail, a fourth slide rail, a first slide block, a second slide block, a third slide block, a fourth slide block, an upper rack support rod and a lower rack support rod, wherein the first support plate and the second support plate are both fixedly arranged on the lock shell body, the first support plate and the second support plate are just arranged, the driving motor is fixedly arranged on the first support plate, the driving motor is connected with the driving screw rod, the screw nut is sleeved on the driving screw rod, the mounting plate is fixedly connected with the screw nut, one end of the upper driving swing rod and one end of the lower driving swing rod are both hinged with the mounting plate, and go up drive pendulum rod and drive pendulum rod down and constitute "V" style of calligraphy structure, it is articulated to go up one end and the slider one that the mounting panel was kept away from to the drive pendulum rod, it is articulated that the one end and the slider two of mounting panel are kept away from to the drive pendulum rod down, slide rail one, slide rail two, slide rail three and slide rail four all fix the setting in backup pad two, slide block one and slide rail one sliding connection, slide block two and slide rail two sliding connection, slide block three and slide rail three sliding connection, slide block four and slide rail four sliding connection, the both ends of going up the rack bracing piece are connected with slide block one and slide block three respectively, the both ends of rack bracing piece are connected with slide block two and slide block four respectively down, the last drive rack that two symmetries set up all with last rack bracing piece fixed connection, the lower drive rack that two symmetries set up all is connected with lower rack bracing piece, be equipped with the drive connecting axle between the last drive pendulum rod that two symmetries set up that two symmetries.
Furthermore, in the door lock with the lock hole protection structure, the first slide rail, the second slide rail, the third slide rail and the fourth slide rail form a rectangular frame structure, and the first slide block, the second slide block, the third slide block and the fourth slide block are located at four corners of the rectangle.
Furthermore, foretell lock with lockhole protective structure, be equipped with lead screw supporting seat one in the backup pad, be equipped with lead screw supporting seat two in the backup pad two, the drive lead screw sets up on lead screw supporting seat one and lead screw supporting seat two.
Furthermore, foretell lock with lockhole protective structure, there is the direction slide through bolt fixedly connected with on the screw-nut, be equipped with the guide post of two symmetries between backup pad one and the backup pad two, the guide post of two symmetries is located the both sides of drive lead screw respectively, the both ends of direction slide are established respectively on the guide post to direction slide and guide post sliding connection.
Further, foretell lock with lockhole protective structure, be equipped with four rectangle spouts in the backup pad two, the last drive rack that sets up of two symmetries and the lower drive rack that two symmetries set up with four rectangle spouts one-to-one respectively and set up, all be connected with the direction slider on the last drive rack that sets up of two symmetries and the lower drive rack that two symmetries set up, direction slider and rectangle spout sliding connection, the direction slider and the last rack bracing piece of the last drive rack that two symmetries set up are connected, the direction slider and the lower rack bracing piece of the lower drive rack that two symmetries set up are connected.
Furthermore, in the door lock with the lock hole protection structure, the two end parts of the upper driving rack and the lower driving rack are both provided with the buffer components, the buffer component comprises a buffer block, a first fixed seat, a second fixed seat, a first stud, a spring and two first locking nuts, the first fixing seat is arranged on the side wall of the buffer block, the two end parts of the upper driving rack and the lower driving rack are respectively provided with a second fixing seat, the second fixing seat and the first fixing seat are symmetrically arranged, the first stud penetrates through the first fixing seat and the second fixing seat, the first stud is locked on the first fixing seat and the second fixing seat through the first locking nut, the spring is sleeved on the first stud, and the spring is positioned between the first fixed seat and the second fixed seat, a gap is arranged between the buffer block and the end surfaces of the upper driving rack and the lower driving rack, the upper end face of the buffer block is provided with straight teeth, and the upper driving gear and the lower driving gear can be meshed with the straight teeth.
The invention also provides a working method of the door lock with the lockhole protection structure, which comprises the following steps:
s1, when the upper protective cover and the lower protective cover are covered at the front cover plate position where the lock cylinder and the lock hole are located, the upper protective cover and the lower protective cover need to be opened, the upper protective cover and the lower protective cover are controlled by a handheld controller or an APP, and when the upper protective cover and the lower protective cover need to be opened, an opening button on the handheld controller or the APP is clicked;
s2, the driving motor rotates forwards to drive the driving screw rod to rotate, at the moment, the screw rod nut moves along the axial direction of the driving screw rod, and the mounting plate and the screw rod nut move synchronously;
s3, when the mounting plate moves, the upper driving swing rod and the lower driving swing rod are driven to rotate around the hinge point with the mounting plate respectively, and the other ends, far away from the mounting plate, of the upper driving swing rod and the lower driving swing rod are close to each other, so that the upper rack supporting rod and the lower rack supporting rod are driven to be close to each other;
s4, the upper rack supporting rod and the lower rack supporting rod drive the upper driving rack and the lower driving rack to approach each other, and the lower driving rack is meshed with the lower driving gear due to the fact that the upper driving rack is meshed with the upper driving gear, so that the upper driving gear and the lower driving gear rotate;
s5, the upper driving gear rotates to drive the upper protective cover push rod to swing around the upper driving gear, the lower driving gear rotates to drive the lower protective cover push rod to swing around the lower driving gear, and the upper protective cover push rod and the lower protective cover push rod swing to respectively drive the upper protective cover and the lower protective cover to move oppositely, so that the upper protective cover and the lower protective cover are opened, the lock cylinder and the lock hole are exposed, and unlocking is facilitated;
s6, after the unlocking is finished, the upper protective cover and the lower protective cover are closed, and when the lock cylinder and the lock hole cover need to be arranged, a cover closing button on the hand-held controller or the APP is clicked;
s7, the driving motor rotates reversely, the driving motor drives the driving screw rod to rotate, at the moment, the screw rod nut moves along the axial direction of the driving screw rod, the mounting plate and the screw rod nut move synchronously, and the moving directions of the screw rod nut and the mounting plate are opposite to the moving directions in the step S2;
s8, when the mounting plate moves, the upper driving swing rod and the lower driving swing rod are driven to rotate around the hinge point with the mounting plate respectively, and the other ends, far away from the mounting plate, of the upper driving swing rod and the lower driving swing rod are far away from each other, so that the upper rack supporting rod and the lower rack supporting rod are driven to be far away;
s9, the upper rack supporting rod and the lower rack supporting rod drive the upper driving rack and the lower driving rack to be away from each other, and the lower driving rack is meshed with the lower driving gear due to the fact that the upper driving rack is meshed with the upper driving gear, so that the upper driving gear and the lower driving gear rotate;
s10, the upper driving gear rotates to drive the upper protective cover push rod to swing around the upper driving gear, the lower driving gear rotates to drive the lower protective cover push rod to swing around the lower driving gear, the upper protective cover push rod and the lower protective cover push rod swing to respectively drive the upper protective cover and the lower protective cover to move in opposite directions, so that the upper protective cover and the lower protective cover are closed, the lock cylinder and the lock hole cover are arranged, and the lock hole is protected.
The technical scheme shows that the invention has the following beneficial effects: according to the door lock with the lockhole protection structure, the upper protection cover and the lower protection cover are covered at the positions of the lock core and the lockhole, so that the firmness of the exterior and the interior of the mortise door lock is improved, the safety of a locked object is enhanced, namely the daily normal use of the conventional electronic door lock is not influenced, the malicious damage to the lockhole can be prevented, the opening of the protection covers can be controlled through the electronic controller or APP, the dual purposes of daily protection and no influence on use after failure are achieved, the daily use safety of the lock is further improved, and the service life of the lock is prolonged.
Drawings
FIG. 1 is a schematic view of the appearance structure of a door lock with a lock hole protection structure according to the present invention;
FIG. 2 is a schematic structural diagram of a door lock with a lock hole protection structure according to the present invention;
FIG. 3 is a partial top view of the door lock with a keyhole guard structure according to the present invention;
FIG. 4 is a schematic structural diagram of a driving apparatus for upper and lower protecting covers according to the present invention;
FIG. 5 is a schematic view of a partial structure of a driving device for upper and lower protecting covers according to the present invention;
FIG. 6 is a first right side view of the driving device for upper and lower protecting covers according to the present invention;
FIG. 7 is a second right side view of the driving device for upper and lower protecting covers according to the present invention;
FIG. 8 is a schematic view of a cushion assembly according to the present invention;
fig. 9 is a schematic structural view of the door lock with the keyhole protection structure according to the present invention when the door lock is opened.
In the figure: an upper protective cover 1, a lower protective cover 2, a lock case body 3, an upper and lower protective cover driving device 4, an upper protective cover push rod 41, a lower protective cover push rod 42, an upper driving gear 43, a lower driving gear 44, an upper driving rack 45, a lower driving rack 46, an upper and lower protective cover driving component 47, a driving connecting shaft 470, a driving motor 471, a driving screw 472, a screw nut 473, a first support plate 474, a second support plate 475, an upper driving swing rod 476, a lower driving swing rod 477, a mounting plate 478, a first slide rail 479, a second slide rail 4710, a third slide rail 4711, a fourth slide rail 4712, a first slide block 4713, a second slide block 4714, a third slide block 4715, a fourth slide block 4716, an upper rack support rod 4717, a lower rack support rod 4718, a first screw support seat 4719, a second screw support seat 4720, a guide slide plate 4721, a guide column 4722, a rectangular slide groove 4723, a guide slide block 4724, a door handle 5, a lock cylinder 6, a lock hole 7, an upper rectangular through hole 71, a lower rectangular through hole 72, a lower protective cover push rod support 4719, a lower protective cover push rod support rod 4711, a lower cover push rod support rod 4711, a lower support rod 4711, a guide support rod 4711, a guide device 4, a guide device, a door handle device, a door handle device, a door handle, a door handle device, a door handle, a door, a, The device comprises a front cover plate 8, a buffer component 9, a buffer block 91, a first fixed seat 92, a second fixed seat 93, a first stud 94, a spring 95, a first lock nut 96, a gap 97 and straight teeth 98.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
The door lock with the lockhole protection structure as shown in fig. 1 and 3 comprises an upper protection cover 1, a lower protection cover 2, a lock case body 3, an upper and lower protection cover driving device 4, a door handle 5, a lock cylinder 6, a lockhole 7 and a front cover plate 8, wherein the upper and lower protection cover driving device 4 is arranged inside the lock case body 3, the upper and lower protection covers 1 and 2 are both connected with the upper and lower protection cover driving device 4, the front cover plate 8 is covered on the lock case body 3, the door handle 5 is arranged on the outer wall of the front cover plate 8, the lock cylinder 6 is arranged on the lock case body 3 and the front cover plate 8, the lockhole 7 is arranged on the lock cylinder 6, and the upper and lower protection cover driving device 4 can drive the upper and lower protection covers 1 and 2 to be covered on the position of the front cover plate 8 where the lock cylinder 6 and the lockhole 7 are located.
The upper and lower guard cover driving device 4 shown in fig. 2 and 4-7 comprises two symmetrically arranged upper guard cover push rods 41, two symmetrically arranged lower guard cover push rods 42, two symmetrically arranged upper driving gears 43, two symmetrically arranged lower driving gears 44, two symmetrically arranged upper driving racks 45, two symmetrically arranged lower driving racks 46, and an upper and lower guard cover driving assembly 47, wherein the upper and lower guard cover driving assembly 47 is arranged on the lock case body 3, the two symmetrically arranged upper driving racks 45 and the two symmetrically arranged lower driving racks 46 are connected with the upper and lower guard cover driving assembly 47, the two symmetrically arranged upper guard cover push rods 41, the two symmetrically arranged upper driving gears 43, and the two symmetrically arranged upper driving racks 45 are arranged in a one-to-one correspondence, the two symmetrically arranged lower guard cover push rods 42, the two symmetrically arranged lower driving gears 44, and the two symmetrically arranged lower driving racks 46 are arranged in a one-to-one correspondence, go up drive rack 45 and the meshing of last drive gear 43, lower drive rack 46 and the meshing of lower drive gear 44, the one end and the last drive gear 43 of going up protective cover push rod 41 are connected, the one end and the lower drive gear 44 of protective cover push rod 42 are connected down, the other end that goes up protective cover push rod 41 and keep away from last drive gear 43 can pass front shroud 8 and last protective cover 1 and connect, the other end that lower drive gear 44 was kept away from to protective cover push rod 42 down can pass front shroud 8 and lower protective cover 2 and connect down, the cross-section of going up protective cover 1 and lower protective cover 2 is the rectangle to go up protective cover 1 and lower protective cover 2 relative setting from top to bottom.
Wherein, the front cover plate 8 is provided with two upper rectangular through holes 71 symmetrically arranged and two lower rectangular through holes 72 symmetrically arranged, the two upper rectangular through holes 71 symmetrically arranged and the two upper protecting cover push rods 41 symmetrically arranged are arranged in one-to-one correspondence, the upper protecting cover push rod 41 is arranged in the upper rectangular through hole 71, and the two ends of the upper protecting cover push rod 41 respectively extend out of the upper rectangular through holes 71, the two lower rectangular through holes 72 symmetrically arranged and the two lower protecting cover push rods 42 symmetrically arranged in one-to-one correspondence, the lower protecting cover push rod 42 is arranged in the lower rectangular through hole 72, and the two ends of the lower protecting cover push rod 42 respectively extend out of the lower rectangular through holes 72, the upper protecting cover push rod 41 can swing up and down in the upper rectangular through hole 71 by taking the upper driving gear 43 as the center of a circle, the lower protecting cover push rod 42 can swing up and down in the lower rectangular through hole 72 by taking the lower driving gear 44 as the center of a circle, the upper driving gear 43 and the lower driving gear 44 are both hinged with the inner wall of the lock case body 3.
In addition, the upper and lower protective cover driving assembly 47 includes a driving motor 471, a driving screw 472, a screw nut 473, a first supporting plate 474, a second supporting plate 475, two symmetrically arranged upper driving swing rods 476, two symmetrically arranged lower driving swing rods 477, a mounting plate 478, a first sliding rail 479, a second sliding rail 4710, a third sliding rail 4711, a fourth sliding rail 4712, a first sliding block 4713, a second sliding block 4714, a third sliding block 4715, a fourth sliding block 4716, an upper rack supporting rod 4717 and a lower rack supporting rod 4718, wherein the first supporting plate 474 and the second supporting plate 475 are fixedly arranged on the lock case body 3, the first supporting plate 474 and the second supporting plate 475 are oppositely arranged, the driving motor 471 is fixedly arranged on the first supporting plate 474, the driving motor 471 is connected with the driving screw 472, the screw nut 473 is sleeved on the driving screw 472, the mounting plate 478 is fixedly connected with the screw nut 473, one ends of the upper driving swing rod 476 and the lower driving swing rod 477 are hinged with the mounting plate 478, and the upper driving swing link 476 and the lower driving swing link 477 form a structure shaped like a Chinese character 'V', one end of the upper driving swing link 476 far away from the mounting plate 478 is hinged with a first slider 4713, one end of the lower driving swing link 477 far away from the mounting plate 478 is hinged with a second slider 4714, a first slide rail 479, a second slide rail 4710, a third slide rail 4711 and a fourth slide rail 4712 are fixedly arranged on a second support plate 475, a first slider 4713 and a first slide rail 479 are slidably connected, a second slider 4714 and a second slide rail 4710 are slidably connected, a third slider 4715 and a third slide rail 4711 are slidably connected, a fourth slider 4716 and a fourth slide rail 4712 are slidably connected, two ends of the upper rack support rod 4717 are respectively connected with the first slider 4713 and the third slider 4715, two ends of the lower rack support rod 4718 are respectively connected with the second slider 4714 and the fourth slider 4716, two symmetrically arranged upper driving racks 45 are fixedly connected with the upper rack support rod 4717, two symmetrically arranged lower driving racks 46 are respectively connected with the lower rack support rod 4718, a driving connecting shaft 470 is arranged between the two symmetrically arranged upper driving swing rods 476 and the two symmetrically arranged lower driving swing rods 477. The first sliding rail 479, the second sliding rail 4710, the third sliding rail 4711 and the fourth sliding rail 4712 form a rectangular frame structure, and the first sliding block 4713, the second sliding block 4714, the third sliding block 4715 and the fourth sliding block 4716 are positioned on four corners of the rectangle.
In the above structure, the first support plate 474 is provided with a first lead screw support seat 4719, the second support plate 475 is provided with a second lead screw support seat 4720, and the driving lead screw 472 is arranged on the first lead screw support seat 4719 and the second lead screw support seat 4720. The lead screw nut 473 is fixedly connected with a guide sliding plate 4721 through a bolt, two symmetrical guide posts 4722 are arranged between the first supporting plate 474 and the second supporting plate 475, the two symmetrical guide posts 4722 are respectively positioned at two sides of the driving lead screw 472, two ends of the guide sliding plate 4721 are respectively sleeved on the guide posts 4722, and the guide sliding plate 4721 is in sliding connection with the guide posts 4722.
In addition, be equipped with four rectangle spout 4723 on the two 475 of backup pad, the last drive rack 45 that two symmetries set up and the lower drive rack 46 that two symmetries set up with four rectangle spout 4723 one-to-one respectively, all be connected with direction slider 4724 on the last drive rack 45 that two symmetries set up and the lower drive rack 46 that two symmetries set up, direction slider 4724 and rectangle spout 4723 sliding connection, the direction slider 4724 and the last rack bracing piece 4717 of the last drive rack 45 that two symmetries set up are connected, the direction slider 4724 and the lower rack bracing piece 4718 of the lower drive rack 46 that two symmetries set up are connected.
Example two
As shown in fig. 8, the buffer assemblies 9 are respectively arranged at two end portions of the upper driving rack 45 and the lower driving rack 46, the buffer assemblies 9 comprise a buffer block 91, a first fixing seat 92, a second fixing seat 93, a first stud 94, a spring 95 and two first locking nuts 96, the first fixing seat 92 is arranged on the side wall of the buffer block 91, the second fixing seat 93 is arranged at two end portions of the upper driving rack 45 and the lower driving rack 46, the second fixing seat 93 and the first fixing seat 92 are symmetrically arranged, the first stud 94 penetrates through the first fixing seat 92 and the second fixing seat 93, the first stud 94 is locked on the first fixing seat 92 and the second fixing seat 93 through the first locking nut 96, the spring 95 is sleeved on the first stud 94, the spring 95 is located between the first fixing seat 92 and the second fixing seat 93, a gap 97 is arranged between the buffer block 91 and the end surfaces of the upper driving rack 45 and the lower driving rack 46, straight teeth 98 are arranged on the upper end surface of the buffer block 91, and both the upper driving gear 43 and the lower driving gear 44 can be meshed with the straight teeth 98.
Based on the above structure, the working method of the door lock with the keyhole protection structure as shown in fig. 1 and 9 includes the following steps:
s1, when the upper protective cover 1 and the lower protective cover 2 are covered on the front cover plate 8 where the lock cylinder 6 and the lock hole 7 are located, the upper protective cover 1 and the lower protective cover 2 need to be opened, the upper protective cover driving device and the lower protective cover driving device 4 are controlled by a handheld controller or an APP, and when the upper protective cover 1 and the lower protective cover 2 need to be opened, an opening button on the handheld controller or the APP is clicked;
s2, the driving motor 471 rotates forwards, the driving motor 471 drives the driving screw rod 472 to rotate, at the moment, the screw rod nut 473 moves along the axial direction of the driving screw rod 472, and the mounting plate 478 and the screw rod nut 473 move synchronously;
s3, when the mounting plate 478 moves, the upper driving swing link 476 and the lower driving swing link 477 are driven to rotate around the hinge point with the mounting plate 478, respectively, and the other ends of the upper driving swing link 476 and the lower driving swing link 477 away from the mounting plate 478 approach each other, thereby driving the upper rack support bar 4717 and the lower rack support bar 4718 to approach each other;
s4, the upper rack support bar 4717 and the lower rack support bar 4718 drive the upper drive rack 45 and the lower drive rack 46 to approach each other, and since the upper drive rack 45 is engaged with the upper drive gear 43, the lower drive rack 46 is engaged with the lower drive gear 44, so that the upper drive gear 43 and the lower drive gear 44 rotate;
s5, the upper driving gear 43 rotates to drive the upper protecting cover push rod 41 to swing around the upper driving gear 43, the lower driving gear 44 rotates to drive the lower protecting cover push rod 42 to swing around the lower driving gear 44, and the swinging of the upper protecting cover push rod 41 and the lower protecting cover push rod 42 respectively drive the upper protecting cover 1 and the lower protecting cover 2 to move in opposite directions, so that the upper protecting cover 1 and the lower protecting cover 2 are opened, and the lock cylinder 6 and the lock hole 7 are exposed, thereby facilitating unlocking;
s6, after the unlocking is finished, the upper protective cover 1 and the lower protective cover 2 are closed, and when the lock cylinder 6 and the lock hole 7 need to be covered, a cover closing button on the hand-held controller or APP is clicked;
s7, the driving motor 471 rotates reversely, the driving motor 471 drives the driving screw 472 to rotate, at this time, the screw nut 473 moves along the axial direction of the driving screw 472, the mounting plate 478 and the screw nut 473 move synchronously, the moving directions of the screw nut 473 and the mounting plate 478 are opposite to the moving directions in the step S2;
s8, when the mounting plate 478 moves, the upper driving swing link 476 and the lower driving swing link 477 are driven to rotate around the hinge point with the mounting plate 478, respectively, and the other ends of the upper driving swing link 476 and the lower driving swing link 477 away from the mounting plate 478 are away from each other, so as to drive the upper rack support bar 4717 and the lower rack support bar 4718 away from each other;
s9, the upper rack support bar 4717 and the lower rack support bar 4718 driving the upper drive rack 45 and the lower drive rack 46 away from each other, and since the upper drive rack 45 is engaged with the upper drive gear 43, the lower drive rack 46 is engaged with the lower drive gear 44, so that the upper drive gear 43 and the lower drive gear 44 rotate;
s10, the upper driving gear 43 rotates to drive the upper protective cover push rod 41 to swing around the upper driving gear 43, the lower driving gear 44 rotates to drive the lower protective cover push rod 42 to swing around the lower driving gear 44, the upper protective cover push rod 41 and the lower protective cover push rod 42 swing to respectively drive the upper protective cover 1 and the lower protective cover 2 to move oppositely, so that the upper protective cover 1 and the lower protective cover 2 are closed, the lock cylinder 6 and the lock hole 7 are covered, and the lock hole 7 is protected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The utility model provides a lock with lockhole protective structure which characterized in that: comprises an upper protective cover (1), a lower protective cover (2), a lock shell body (3), an upper protective cover driving device and a lower protective cover driving device (4), a door handle (5), a lock cylinder (6), a lock hole (7) and a front cover plate (8), the upper and lower protective cover driving device (4) is arranged inside the lock shell body (3), the upper protective cover (1) and the lower protective cover (2) are both connected with an upper protective cover and a lower protective cover driving device (4), the front cover plate (8) is covered on the lock shell body (3), the door handle (5) is arranged on the outer wall of the front cover plate (8), the lock core (6) is arranged on the lock shell body (3) and the front cover plate (8), the lock hole (7) is arranged on the lock cylinder (6), and the upper and lower protective cover driving devices (4) can drive the upper protective cover (1) and the lower protective cover (2) to cover the lock cylinder (6) and the lock hole (7) at the position of the front cover plate (8);
the upper and lower protective cover driving device (4) comprises two upper protective cover push rods (41) which are symmetrically arranged, two lower protective cover push rods (42) which are symmetrically arranged, two upper driving gears (43) which are symmetrically arranged, two lower driving gears (44) which are symmetrically arranged, two upper driving racks (45) which are symmetrically arranged, two lower driving racks (46) which are symmetrically arranged and an upper and lower protective cover driving assembly (47), wherein the upper and lower protective cover driving assemblies (47) are arranged on the lock shell body (3), the two upper driving racks (45) which are symmetrically arranged and the two lower driving racks (46) which are symmetrically arranged are both connected with the upper and lower protective cover driving assemblies (47), the two upper protective cover push rods (41) which are symmetrically arranged, the two upper driving gears (43) which are symmetrically arranged and the two upper driving racks (45) which are symmetrically arranged are arranged in a one-to-one correspondence manner, the lower protective cover push rod (42) of two symmetry settings, lower drive gear (44) of two symmetry settings and lower drive rack (46) one-to-one setting of two symmetry settings, go up drive rack (45) and last drive gear (43) meshing, lower drive rack (46) and lower drive gear (44) meshing, the one end and the last drive gear (43) of going up protective cover push rod (41) are connected, the one end and the lower drive gear (44) of protective cover push rod (42) are connected down, the other end that goes up drive gear (43) and keep away from to go up protective cover push rod (41) can pass front shroud (8) and last protective cover (1) and connect, the other end that lower drive gear (44) was kept away from down to protective cover push rod (42) can pass front shroud (8) and lower protective cover (2) and connect down, the cross-section of going up protective cover (1) and lower protective cover (2) is the rectangle, the upper protective cover (1) and the lower protective cover (2) are arranged oppositely up and down;
the upper and lower protective cover driving assembly (47) comprises a driving motor (471), a driving screw rod (472), a screw rod nut (473), a first supporting plate (474), a second supporting plate (475), two upper driving swing rods (476) which are symmetrically arranged, two lower driving swing rods (477) which are symmetrically arranged, a mounting plate (478), a first sliding rail (479), a second sliding rail (4710), a third sliding rail (4711), a fourth sliding rail (4712), a first sliding block (4713), a second sliding block (4714), a third sliding block (4715), a fourth sliding block (4716), an upper rack supporting rod (4717) and a lower rack supporting rod (4718), wherein the first supporting plate (474) and the second supporting plate (475) are fixedly arranged on the lock shell body (3), the first supporting plate (474) and the second supporting plate (475) are oppositely arranged, the driving motor (471) is fixedly arranged on the first supporting plate (474), and the driving motor (471) is connected with the driving screw rod (472), the screw rod nut (473) is sleeved on the driving screw rod (472), the mounting plate (478) and the screw rod nut (473) are fixedly connected, one end of the upper driving swing rod (476) and one end of the lower driving swing rod (477) are hinged to the mounting plate (478), the upper driving swing rod (476) and the lower driving swing rod (477) form a V-shaped structure, one end, far away from the mounting plate (478), of the upper driving swing rod (476) is hinged to the first sliding block (4713), one end, far away from the mounting plate (478), of the lower driving swing rod (477) is hinged to the second sliding block (4714), the first sliding rail (479), the second sliding rail (4710), the third sliding rail (4711) and the fourth sliding rail (4712) are fixedly arranged on the second supporting plate (475), the first sliding block (4713) is slidably connected with the first sliding rail (479), the second sliding block (4714) is slidably connected with the second sliding rail (4710), the third sliding block (4715) is slidably connected with the third sliding rail (4711), the four sliding blocks (4716) are slidably connected with the four sliding rails (4712), two ends of the upper rack supporting rod (4717) are respectively connected with the first sliding block (4713) and the third sliding block (4715), two ends of the lower rack supporting rod (4718) are respectively connected with the second sliding block (4714) and the fourth sliding block (4716), the two symmetrically arranged upper driving racks (45) are fixedly connected with the upper rack supporting rod (4717), the two symmetrically arranged lower driving racks (46) are respectively connected with the lower rack supporting rod (4718), and a driving connecting shaft (470) is arranged between the two symmetrically arranged upper driving swing rods (476) and the two symmetrically arranged lower driving swing rods (477);
the buffer components (9) are arranged at two ends of the upper driving rack (45) and the lower driving rack (46), each buffer component (9) comprises a buffer block (91), a first fixing seat (92), a second fixing seat (93), a first stud (94), a spring (95) and two first locking nuts (96), the first fixing seat (92) is arranged on the side wall of the buffer block (91), the two ends of the upper driving rack (45) and the lower driving rack (46) are respectively provided with a second fixing seat (93), the second fixing seats (93) and the first fixing seats (92) are symmetrically arranged, the first stud (94) penetrates through the first fixing seats (92) and the second fixing seats (93), the first stud (94) is locked on the first fixing seats (92) and the second fixing seats (93) through the first locking nuts (96), the spring (95) is sleeved on the first stud (94), and the spring (95) is located between the first fixing seats (92) and the second fixing seats (93), a gap (97) is formed between the buffer block (91) and the end faces of the upper driving rack (45) and the lower driving rack (46), straight teeth (98) are arranged on the upper end face of the buffer block (91), and the upper driving gear (43) and the lower driving gear (44) can be meshed with the straight teeth (98).
2. The door lock with a keyhole safeguard structure according to claim 1, wherein: the upper rectangular through hole (71) and the lower rectangular through hole (72) are symmetrically arranged on the front cover plate (8), the upper rectangular through hole (71) and the upper protective cover push rod (41) are symmetrically arranged one by one, the upper protective cover push rod (41) is arranged in the upper rectangular through hole (71), the two ends of the upper protective cover push rod (41) respectively extend out of the upper rectangular through hole (71), the lower rectangular through hole (72) and the lower protective cover push rod (42) are symmetrically arranged one by one, the lower protective cover push rod (42) is arranged in the lower rectangular through hole (72), the two ends of the lower protective cover push rod (42) respectively extend out of the lower rectangular through hole (72), and the upper protective cover push rod (41) can swing up and down with the driving gear (43) as the circle center in the upper rectangular through hole (71), lower protective cover push rod (42) can be under within lower drive gear (44) as the centre of a circle luffing motion under rectangle through-hole (72), go up drive gear (43) and lower drive gear (44) all with the inner wall of lock shell body (3) articulated.
3. The door lock with a keyhole safeguard structure according to claim 1, wherein: the first sliding rail (479), the second sliding rail (4710), the third sliding rail (4711) and the fourth sliding rail (4712) form a rectangular frame structure, and the first sliding block (4713), the second sliding block (4714), the third sliding block (4715) and the fourth sliding block (4716) are positioned on four corners of the rectangle.
4. The door lock with a keyhole safeguard structure according to claim 1, wherein: be equipped with lead screw supporting seat one (4719) on backup pad one (474), be equipped with lead screw supporting seat two (4720) on backup pad two (475), drive lead screw (472) set up on lead screw supporting seat one (4719) and lead screw supporting seat two (4720).
5. The door lock with a keyhole safeguard structure according to claim 1, wherein: lead screw nut (473) is gone up through bolt fixedly connected with direction slide plate (4721), be equipped with guide post (4722) of two symmetries between backup pad (474) and backup pad two (475), guide post (4722) of two symmetries are located the both sides of drive lead screw (472) respectively, the both ends of direction slide plate (4721) are established respectively on guide post (4722) to direction slide plate (4721) and guide post (4722) sliding connection.
6. The door lock with a keyhole safeguard structure according to claim 1, wherein: be equipped with four rectangle spout (4723) on backup pad two (475), last drive rack (45) that two symmetries set up and lower drive rack (46) that two symmetries set up with four rectangle spout (4723) one-to-one respectively, all be connected with direction slider (4724) on last drive rack (45) that two symmetries set up and lower drive rack (46) that two symmetries set up, direction slider (4724) and rectangle spout (4723) sliding connection, direction slider (4724) and last rack bracing piece (4717) of last drive rack (45) that two symmetries set up are connected, direction slider (4724) and lower rack bracing piece (4718) of lower drive rack (46) that two symmetries set up are connected.
7. A working method of a door lock with a lock hole protection structure is characterized in that: the method comprises the following steps:
s1, when the upper protective cover (1) and the lower protective cover (2) are covered on the front cover plate (8) where the lock cylinder (6) and the lock hole (7) are located, the upper protective cover (1) and the lower protective cover (2) need to be opened, the upper protective cover and the lower protective cover driving device (4) are controlled by a handheld controller or APP, and when the upper protective cover (1) and the lower protective cover (2) need to be opened, an opening button on the handheld controller or the APP is clicked;
s2, the driving motor (471) rotates forwards, the driving motor (471) drives the driving screw rod (472) to rotate, at the moment, the screw rod nut (473) moves along the axis direction of the driving screw rod (472), and the mounting plate (478) and the screw rod nut (473) move synchronously;
s3, when the mounting plate (478) moves, the upper driving swing rod (476) and the lower driving swing rod (477) are driven to rotate around the hinge point with the mounting plate (478) respectively, and the other ends, far away from the mounting plate (478), of the upper driving swing rod (476) and the lower driving swing rod (477) are close to each other, so that the upper rack supporting rod (4717) and the lower rack supporting rod (4718) are driven to be close to each other;
s4, the upper rack supporting rod (4717) and the lower rack supporting rod (4718) drive the upper driving rack (45) and the lower driving rack (46) to approach each other, and as the upper driving rack (45) is meshed with the upper driving gear (43), the lower driving rack (46) is meshed with the lower driving gear (44), so that the upper driving gear (43) and the lower driving gear (44) rotate;
s5, the upper driving gear (43) rotates to drive the upper protective cover push rod (41) to swing around the upper driving gear (43), the lower driving gear (44) rotates to drive the lower protective cover push rod (42) to swing around the lower driving gear (44), and the swinging of the upper protective cover push rod (41) and the lower protective cover push rod (42) respectively drive the upper protective cover (1) and the lower protective cover (2) to move oppositely, so that the upper protective cover (1) and the lower protective cover (2) are opened, the lock cylinder (6) and the lock hole (7) are exposed, and the unlocking is facilitated;
s6, after the unlocking is finished, the upper protective cover (1) and the lower protective cover (2) are closed, and when the lock cylinder (6) and the lock hole (7) need to be covered, a cover closing button on the hand-held controller or APP is clicked;
s7, driving motor (471) rotates reversely, driving motor (471) drives driving screw rod (472) to rotate, at the moment, screw rod nut (473) moves along the axial direction of driving screw rod (472), mounting plate (478) and screw rod nut (473) move synchronously, and the moving directions of screw rod nut (473) and mounting plate (478) are opposite to the moving directions in step S2;
s8, when the mounting plate (478) moves, the upper driving swing rod (476) and the lower driving swing rod (477) are driven to rotate around the hinge point with the mounting plate (478) respectively, and the other ends, away from the mounting plate (478), of the upper driving swing rod (476) and the lower driving swing rod (477) are far away from each other, so that the upper rack supporting rod (4717) and the lower rack supporting rod (4718) are driven to be far away;
s9, the upper rack supporting rod (4717) and the lower rack supporting rod (4718) drive the upper driving rack (45) and the lower driving rack (46) to be away from each other, and as the upper driving rack (45) is meshed with the upper driving gear (43), the lower driving rack (46) is meshed with the lower driving gear (44), so that the upper driving gear (43) and the lower driving gear (44) rotate;
s10, the upper driving gear (43) rotates to drive the upper protective cover push rod (41) to swing around the upper driving gear (43), the lower driving gear (44) rotates to drive the lower protective cover push rod (42) to swing around the lower driving gear (44), the upper protective cover push rod (41) and the lower protective cover push rod (42) swing to respectively drive the upper protective cover (1) and the lower protective cover (2) to move in opposite directions, so that the upper protective cover (1) and the lower protective cover (2) are closed, the lock cylinder (6) and the lock hole (7) are covered and arranged, and the lock hole (7) is protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251110.7A CN112267764B (en) | 2020-11-11 | 2020-11-11 | Door lock with lockhole protection structure and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251110.7A CN112267764B (en) | 2020-11-11 | 2020-11-11 | Door lock with lockhole protection structure and working method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN112267764A CN112267764A (en) | 2021-01-26 |
| CN112267764B true CN112267764B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011251110.7A Active CN112267764B (en) | 2020-11-11 | 2020-11-11 | Door lock with lockhole protection structure and working method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525790B (en) * | 2016-02-19 | 2017-07-07 | 江苏保平信息科技有限公司 | Lock core protector |
| DE102016103586A1 (en) * | 2016-02-29 | 2017-08-31 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Handle unit for a vehicle and method for opening an access opening covered by a cover in a housing element of a handle unit |
| CN108979343B (en) * | 2018-08-03 | 2020-11-10 | 太仓市大烨建筑工程有限公司 | Safe intelligent door lock with protective cover and working method thereof |
| CN109025532B (en) * | 2018-08-03 | 2020-08-11 | 太仓市大烨建筑工程有限公司 | Automatic sliding door lock with lifting cover and working method thereof |
| CN110886547A (en) * | 2018-11-28 | 2020-03-17 | 苏州亿尔奇信息科技有限公司 | Intelligent lock key hole protection device convenient to use |
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