Password safety box with uncovering limiting mechanism

Abstract

A password protection box with a cover opening limiting mechanism comprises a box body and a box cover arranged on one side of the box body, a mounting groove is formed in one end of the box cover, the two ends of the mounting groove are connected with one end of the box body through at least one cover opening assembly respectively, and the cover opening assemblies are used for achieving automatic opening of the box cover. The box body is provided with at least one limiting part correspondingly matched with the uncovering assembly, the limiting part is used for being matched with the uncovering assembly to limit the opening angle of the box cover, the uncovering assembly and the limiting part form an uncovering limiting mechanism, the other end of the box cover is provided with at least one lock catch, the other end of the box body is provided with a lock cylinder, and the lock cylinder is electrically connected with the control unit. The control unit is used for conducting unlocking operation on the lock cylinder through passwords, fingerprints, keys and / or wireless control, the automatic cover opening and limiting effect is achieved, the stability of articles stored in the box is guaranteed, the situation that the articles are damaged is effectively avoided, and the normal use effect of the automatic cover opening and limiting device in daily life can be effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of living utensils, in particular to a password protection box with a cover opening limit mechanism. Background Art

[0002] A password safe box is a storage box for valuables or dangerous items. Existing password safe boxes generally use spring hinges to connect the box body and the box cover, and the spring hinges are used to achieve the effect of automatic opening of the cover, such as the password safe box recorded in the patent with publication number CN213058316U; however, due to the light weight of the safe box itself, when the automatic box cover is opened, the box cover opens outward too much, and the force when the box cover is opened is large, which will drive the box body of the safe box to move, so that the box body will jump. If the safe box jumps, it is easy to vibrate the items stored in the box. In serious cases, it is even easy for the items to be thrown out of the safe box due to vibration, thus easily causing damage to the items; in addition, the spring hinge structure is relatively complex and has a high failure rate. Once the spring hinge fails to work normally, the box cover cannot be opened or closed normally, which is easy to affect the daily use of the safe box. Summary of the invention

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a password protection box with a cover opening limit mechanism. The cover opening limit mechanism of the password protection box has a simple structure, is easy to assemble, and has a low failure rate. It achieves the effect of automatic cover opening limit, ensures the stability of items stored in the box, effectively avoids damage to the items, and can effectively ensure the normal use of the utility model in daily life.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A password protection box with a lid opening limit mechanism comprises a box body and a box cover arranged on one side of the box body, one end of the box cover is provided with a mounting groove, and the two ends of the mounting groove are respectively connected to one end of the box body through at least one lid opening component, the lid opening component is used to realize automatic opening of the box cover, at least one limiting member on the box body corresponds to the lid opening component, the limiting member is used to cooperate with the lid opening component to limit the opening angle of the box cover, the lid opening component and the limiting member constitute the lid opening limit mechanism, the other end of the box cover is provided with at least one lock buckle, the other end of the box body is provided with a lock core, the lock core is used to cooperate with the lock buckle to lock the box cover, the lock core is electrically connected to a control unit, and the control unit is used to unlock the lock core through a password, a fingerprint, a key and / or wireless control.

[0006] At least one sleeve is provided at each end of the mounting groove of the box cover, and the sleeve is correspondingly connected to the cover opening component. A shielding part connected to the mounting groove is provided on the corresponding cover opening component, and the shielding part is used to hide the cover opening component. The limiting members are arranged on the side walls of the corresponding ends of the box body.

[0007] The lid opening assembly includes a rotating shaft connected to the shaft sleeve of the box cover and at least one torsion spring arranged at one end of the corresponding rotating shaft. The torsion spring is used to provide power for opening the box cover. One end of the torsion spring arranged on the rotating shaft extends outward to form an extended end. The extended end is penetrated on the side wall of the corresponding side of the box body, and the box cover is hinged to the box body. At least one spring leaf is respectively arranged on each of the extended ends, and the spring leaf is used to prevent the rotating shaft from detaching from the box body.

[0008] One end of the torsion spring extends toward the side wall of the box body to form a clamping end, which is clamped on the side wall of the box body, and the other end of the torsion spring extends toward the inner side of the box cover to form a force-applying end, which contacts the inner side of the box cover.

[0009] The limiting member is protruding from the inner side of the side wall of one side of the box body, and one end of the limiting member extends into the installation groove of the box cover to form a limiting end, wherein the opening angle of the box cover is 72~85°, and the outer side of the side wall at the corresponding end of the box body is also provided with decorative members, which are used to hide the cover opening component and the limiting member and to decorate the appearance of the box body.

[0010] At least one sleeve is respectively provided at both ends of the installation groove of the box cover, and the sleeve is correspondingly connected to the cover opening component. Connecting parts are respectively provided at the corresponding sleeves on the inner side of the box body, and each connecting part is respectively connected to the corresponding cover opening component. A shielding part is also provided on each connecting part, and the shielding part is used to hide the cover opening component. The limiting members are arranged on the corresponding connecting parts.

[0011] The lid opening assembly includes a rotating shaft connected to the shaft sleeve of the box cover and a torsion spring with two ends respectively arranged at the two ends of the corresponding rotating shaft, the torsion spring is used to provide power for opening the box cover, the two ends of the rotating shaft extend outward respectively to form extended ends, each extended end is respectively penetrated on the connecting part on the same side, the box cover is hinged to the box body, each of the extended ends is respectively provided with at least one spring leaf, the spring leaf is used to prevent the rotating shaft from detaching from the box body, wherein the two ends of the torsion spring are connected by a force-bearing section, and the force-bearing section is arranged inside the shielding part.

[0012] The limiting member is protruded from the inner side of the corresponding connecting portion of the box body, and one end of the limiting member extends into the mounting groove of the box cover to form a limiting end. The mounting groove is provided with a limiting portion on the side facing the limiting end, and the limiting portion is used to cooperate with the limiting end to limit the opening angle of the box cover, wherein the opening angle of the box cover is 72 to 85°. Decorative members are also provided on the outer sides of the side walls at the corresponding ends of the box body, and the decorative members are used to decorate the appearance of the box body.

[0013] The control unit consists of a main control board, a display screen arranged on one side of the main control board, a fingerprint module arranged on the other side of the main control board, a button part arranged between the display screen and the fingerprint module, a Bluetooth module arranged on one side of the button part, a power box electrically connected to the main control board, and a battery built into the power box. The display screen, the fingerprint module, the button part, and the Bluetooth module are electrically connected to the main control board respectively, wherein the main control board is also provided with an emergency interface, which is used to connect the control unit to an external emergency power supply. The main control board is electrically connected to at least one auxiliary control board, and the auxiliary control board is provided with a setting key and at least one LED lamp bead arranged on one side of the setting key.

[0014] The inner sides of the side walls at both ends of the box body are respectively provided with protective plates, and at least one protective pad is provided on the inner bottom surface of the box body.

[0015] The beneficial effects of the utility model are as follows: the box cover is hinged to one side of the box body by the rotating shaft of the cover opening assembly, and the torsion spring on the rotating shaft is cooperated to realize the automatic opening of the box cover. At the same time, in the process of opening the box cover, the installation groove of the box cover or the limiting part of the installation groove moving toward the limiting end of the limiting member is blocked. Under the mutual cooperation of the cover opening assembly and the limiting member, the effect of automatic opening and limiting of the box cover is realized, so that the opening angle of the box cover is maintained at 72-85 degrees. By limiting the opening angle of the box cover, the force for opening the box cover is weakened, so that when the box cover is automatically opened, the box body is relatively stable and is not prone to jumping. The box body is provided with protective plates on the inner sides of both sides of the box body and protective pads on the bottom of the box body, which can effectively prevent the items stored in the box from being subjected to external forces, reduce or even avoid the collision between the items in the box and the box body, and effectively avoid the damage of the items. In addition, the rotating shaft of the cover opening assembly is only connected to the corresponding shaft sleeve of the box cover by a spring sheet, which makes the assembly of the cover opening assembly more convenient, and the cover opening limit mechanism composed of the cover opening assembly and the limit piece has a simple structure and a low failure rate, which can effectively ensure the normal use effect of the utility model in daily life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of specific embodiment 1 of the utility model.

[0017] Figure 2 yes Figure 1 A schematic diagram of the local structure without a shielding portion and a decorative part.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of specific embodiment 2 of the utility model.

[0019] Figure 4 yes Figure 3 Schematic diagram of the local structure in the state of no shielding part at B.

[0020] Figure 5 It is a structural schematic diagram of the box body of the utility model.

[0021] Figure 6 It is a structural schematic diagram of the control unit of the utility model.

[0022] Description of Figure Numbers:

[0023] 1-box body; 11-decoration; 12-protection plate; 13-protection pad; 14-connecting part; 141-bump; 15-control slot; 16-mounting bracket; 2-box cover; 21-mounting slot; 211-limiting part; 22-locking buckle; 23-shaft sleeve; 3-opening cover assembly; 31-rotating shaft; 311-extension end; 32-torsion spring; 321-clamping end; 322-force-applying end; 32a-force-bearing section; 32b -matching part; 4-limiting part; 41-limiting end; 5-lock cylinder; 51-lock hole; 6-control unit; 61-main control board; 62-display screen; 63-fingerprint module; 64-button part; 641-silicone button; 65-Bluetooth module; 66-power box; 661-cover plate; 67-emergency interface; 68-sub-control board; 681-LED lamp bead; 682-setting key; 7-shielding part; 8-reed. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings: Specific embodiment 1:

[0026] like Figure 1-6 As shown, the utility model relates to a password protection box with a cover opening limit mechanism, comprising a box body 1 and a box cover 2 arranged on one side of the box body 1, one end of the box cover 2 is provided with a mounting groove 21, and the two ends of the mounting groove 21 are respectively connected to one end of the box body 1 through at least one cover opening component 3, the cover opening component 3 is used to realize automatic opening of the box cover 2, at least one limiter 4 corresponding to the cover opening component 3 on the box body 1, the limiter 4 is used to cooperate with the cover opening component 3 to limit the opening angle of the box cover 2, the cover opening component 3 and the limiter 4 constitute the cover opening limit mechanism, the other end of the box cover 2 is provided with at least one lock buckle 22, the other end of the box body 1 is provided with a lock core 5, the lock core 5 is used to cooperate with the lock buckle 22 to lock the box cover 2, the lock core 5 is electrically connected to the control unit 6, and the control unit 6 is used to unlock the lock core 5 through a password, fingerprint, key and / or wireless control.

[0027] like Figure 1-2As shown, at least one shaft sleeve 23 is respectively provided at both ends of the mounting groove 21 of the box cover 2, and the shaft sleeve 23 is correspondingly connected to the cover opening component 3, and a shielding portion 7 connected to the mounting groove 21 is provided on the corresponding cover opening component 3, and the shielding portion 7 is used to hide the cover opening component 3, and each limit member 4 is provided on the side wall of the corresponding end of the box body 1, wherein the shielding portion 7 is fixedly connected to the mounting groove 21 by screws; in addition, in order to prevent the wear of the side walls of the box cover 2 and the box body 1, at least one gasket (not shown) is also provided between the box cover 2 and the side walls of the box body 1; each of the gaskets is glued to the inner side of the side wall of the box body 1 with glue.

[0028] like Figure 2 As shown, the cover opening assembly 3 includes a rotating shaft 31 correspondingly connected to the shaft sleeve 23 of the box cover 2 and at least one torsion spring 32 arranged at one end of the corresponding rotating shaft 31, and the torsion spring 32 is used to provide power for opening the box cover 2. The rotating shaft 31 sleeve 23 is provided with one end of the torsion spring 32 extending outward to form an extended end 311, and the extended end 311 is penetrated on the side wall (not shown) of the corresponding side of the box body 1, and the box cover 2 is hinged to the box body 1. At least one spring leaf 8 is respectively provided on each of the extended ends 311, and a groove (not shown) is provided at the connection between the spring leaf 8 and the extended end 311. The spring leaf 8 is clamped in the groove, and the spring leaf 8 is used to prevent the rotating shaft 31 from detaching from the box body 1; each side wall of the box body 1 is respectively provided with a connecting hole (not shown), and each connecting hole is used to penetrate the extended end 311 of the rotating shaft 31.

[0029] like Figure 2 As shown, one end of the torsion spring 32 extends toward the side wall of the box body 1 to form a clamping end 321, and the clamping end 321 is clamped on the side wall of the box body 1, and the other end of the torsion spring 32 extends toward the inner side of the box cover 2 to form a force-applying end 322, and the force-applying end 322 contacts the inner side of the box cover 2; wherein, the connection between each side wall of the box body 1 and the corresponding clamping end 321 is respectively provided with a clamping hole (not shown), and each clamping hole is connected to the corresponding clamping end 321; when When the box cover 2 is closed on the box body 1, the box cover 2 applies a force to the force-applying ends 322 of each torsion spring 32. At this time, each clamping end 321 is restricted and cannot move forward due to the action of the box body 1, and cooperates with the box cover 2 to make the torsion spring 32 elastically deform; when the lock cylinder 5 is unlocked, the torsion spring 32 will restore its original state under the action of elastic stress, and each force-applying end 322 pushes the box cover 2 outward, so that the box cover 2 opens outward around the rotating shaft 31, thereby achieving the effect of automatic opening of the cover.

[0030] like Figure 2As shown, the limiting member 4 is convexly arranged on the inner side of the side wall of one side of the box body 1, and one end of the limiting member 4 extends into the mounting groove 21 of the box cover 2 to form a limiting end 41; when the box cover 2 is opened, the mounting groove 21 of the box cover 2 approaching is blocked by the limiting end 41 of the limiting member 4, and after the inner bottom surface of the mounting groove 21 contacts the limiting end 41, the mounting groove 21 is blocked by the limiting end 41 and cannot continue to move, forming a limit, so that the opening angle of the box cover 2 is maintained within a limited angle range; wherein, the opening angle of the box cover 2 is 72-85°, and the outer side of the side wall of the corresponding end of the box body 1 is further provided with a decorative member 11, and the decorative member 11 is used to The cover opening component 3 and the limit member 4 are hidden, and the appearance of the box body 1 is decorated, wherein each of the decorative members 11 is in a shell structure, which is respectively sleeved on both sides of the box body 1, and the connection between each of the decorative members 11 and the box body 1 is respectively fixed by glue; the limit member 4 is preferably a screw, and the limit member 4 is threadedly locked into the side wall from the outside to the inside of the side wall of the box body, which is convenient for assembly. However, the limit member 4 can also be bolted to penetrate the side wall of the box body 1, or the limit member 4 can be set on the inner side of the side wall of the box body 1 by welding. The setting method of the limit member 4 can be selected according to the product structure design and product cost control needs, and is not limited here.

[0031] like Figure 1 , 5 As shown in Figure 6, the control unit 6 is composed of a main control board 61, a display screen 62 arranged on one side of the main control board 61, a fingerprint module 63 arranged on the other side of the main control board 61, a button part 64 arranged between the display screen 62 and the fingerprint module 63, a Bluetooth module 65 arranged on one side of the button part 64, a power box 66 electrically connected to the main control board 61, and a battery (not shown) built into the power box 66. The display screen 62, the fingerprint module 63, the button part 64, and the Bluetooth module 65 are electrically connected to the main control board 61 respectively, wherein the main control board 61 is also provided with an emergency interface 67, and the emergency interface 67 is used to connect the control unit 6 to an external emergency power supply; the main control board 61 is connected to at least one The sub-control panel 68 is electrically connected, and a setting key 682 and at least one LED lamp bead 681 are arranged on one side of the setting key 682; a silicone button 641 is also arranged above the button part 64, and the silicone button 641 is used to touch the button part 64; the display screen 62 is used to at least display the time and the battery power, so that the user can be more aware of the remaining power of the utility model, so as to replace the battery of the utility model in time; the fingerprint module 63 is used to identify the user's fingerprint, so that the user can unlock the utility model through the fingerprint; the Bluetooth module 65 is used to facilitate the user to unlock and control the utility model through the mobile phone APP.

[0032] like Figure 1 , 3, 5, and 6, further, a control slot 15 is provided on the other side of the box body 1, the aforementioned main control board 61 is built into the control slot 15, the aforementioned display screen 62 is embedded in one side of the top surface of the control slot 15, the aforementioned fingerprint module 63 is penetrated on the other side of the top surface of the control slot 15, the aforementioned silicone button 641 is convexly provided on the top surface of the control slot 15, and the aforementioned lock core 5 includes a lock hole 51, and the lock hole 51 cooperates with a key (not shown) to open the lock core 5 when the battery power is insufficient; the lock hole 51 and the emergency interface 67 are sequentially penetrated on the front end surface of the control slot 15; a mounting bracket 16 is provided at the opening of the control slot 15; at least one side of the mounting bracket 16 is fixedly connected to the control slot 15 by screws, and the aforementioned power box 66 is embedded in the mounting bracket 1 6, a cover plate 661 is provided on the power box 66, and the cover plate 661 can effectively prevent the battery from escaping from the power box 66. The aforementioned lock core 5 is fixed to the inner side of the mounting bracket 16 by screws; the aforementioned sub-control board 68 is arranged on the inner side of the other end of the mounting bracket 16, and the aforementioned LED lamp beads 681 and setting keys 682 are electrically connected to the sub-control board 68 respectively; when it is necessary to set a password or fingerprint, it is necessary to touch the setting key 682 to cooperate with the password or fingerprint setting; when the box cover 2 is opened, the main control board 61 sends a command to the sub-control board 68 to make the LED lamp beads 681 emit light to illuminate the inside of the box body 1 for the user, so that the user can see the items in the box body 1 clearly at night or in an environment with low visibility, so that the user can take out the items easily.

[0033] like Figure 1 , 3 As shown, protective plates 12 are respectively provided on the inner sides of the side walls at both ends of the box body 1, and at least one protective pad 13 is provided on the inner bottom surface of the box body 1; wherein, each protective plate 12 is fixedly connected to the inner side surfaces of the side walls on both sides of the box body 1 by glue; through the arrangement of each protective plate 12 and protective pad 13, the items placed in the box body 1 are effectively protected from the side and bottom, and when the box body 1 is subjected to external impact or other external forces, the items inside the box body 1 can be prevented from directly colliding with the box body 1, thereby effectively preventing damage to the items and protecting the items. Specific embodiment 2:

[0035] like Figure 3-6As shown, the utility model discloses a password protection box with a cover opening limit mechanism, wherein at least one sleeve 23 is respectively provided at both ends of the mounting groove 21 of the box cover 2, and the sleeve 23 is correspondingly connected to the cover opening component 3, and a connecting portion 14 is respectively provided at the corresponding sleeve 23 on the inner side of the box body 1, and each connecting portion 14 is respectively connected to the corresponding cover opening component 3, and a shielding portion 7 is further provided on each connecting portion 14, and the shielding portion 7 is used to hide the cover opening component 3, and each limiter 4 is provided on the corresponding connecting portion 14, wherein each connecting portion 14 is respectively welded to The inner side of one side of the box body 1 is arranged opposite to the control unit 6. Specifically, at least one protrusion 141 is respectively provided on both sides of one side of each connecting portion 14. Each protrusion 141 is plugged into one side of the box body 1. A plug-in hole (not shown) is respectively provided at the connection between each protrusion 141 and the box body 1. Each connecting portion 14 is preliminarily connected to the corresponding plug-in hole through the protrusion 141, and then the connecting portion 14 is fixedly connected to the box body 1 by welding, so that the connection between the connecting portion 14 and the box body 1 is more stable.

[0036] like Figure 3 , 4 As shown, the cover opening assembly 3 includes a rotating shaft 31 correspondingly connected to the shaft sleeve 23 of the box cover 2 and a torsion spring 32 at both ends of the corresponding rotating shaft 31, the torsion spring 32 is used to provide power for opening the box cover 2, the two ends of the rotating shaft 31 extend outward respectively to form an extended end 311, each extended end 311 is respectively penetrated on the connecting portion 14 on the same side, the box cover 2 is hinged to the box body 1, each of the extended ends 311 is respectively provided with at least one spring leaf 8, the spring leaf 8 is used to prevent the rotating shaft 31 from detaching from the box body 1, wherein the two ends of the torsion spring 32 are connected by a force section 32a, the force section 32a is arranged inside the shielding portion 7, the shielding portion 7 is fixed to the connecting portion 14 by a screw, and at the same time, one end of the screw extends into the shielding portion 7 , the force-bearing section 32a is mounted on the screw, and both ends of the torsion spring 32 also extend outward to form a matching portion 32b, and each matching portion 32b is respectively in contact with the bottom surface of the mounting groove 21 of the box cover 2; when the box cover 2 is closed on the box body 1, each matching portion 32b cooperates with the box cover 2 to apply a force to the force-bearing section 32a of the torsion spring 32. At this time, the force-bearing section 32a in contact with the screw is prevented from moving forward due to the action of the screw, and cooperates with the box cover 2 to cause the torsion spring 32 to undergo elastic deformation; when the lock cylinder 5 is unlocked, the torsion spring 32 will restore its original state under the action of elastic stress. At this time, the torsion spring 32 gradually opens, and the force-bearing section 32a cooperates with the screw in contact with it to make the box cover 2 open outward around the rotating shaft 31, thereby achieving the effect of automatic opening of the cover.

[0037] like Figure 4As shown, the limiting member 4 is convexly arranged on the inner side of the corresponding connecting portion 14 of the box body 1, and one end of the limiting member 4 extends into the mounting groove 21 of the box cover 1 to form a limiting end 41; the mounting groove 21 is provided with a limiting portion 211 on the side facing the limiting end 41, and the limiting portion 211 is used to cooperate with the limiting end 41 to limit the opening angle of the box cover 2. When the box cover 2 is opened, the limiting portion 211 of the box cover 2 gradually approaches the limiting end 41 of the limiting member 4. After the limiting portion 211 contacts the limiting end 41, the limiting portion 211 is blocked by the limiting end 41 and cannot continue to move, forming a limit, so that the opening angle of the box cover 2 is maintained within a limited angle range. The box cover 2 has an opening angle of 72 to 85°, and the outer sides of the side walls at the corresponding ends of the box body 1 are respectively provided with decorative parts 11, which are used to decorate the appearance of the box body 1; the limiter 4 is preferably a screw, and the limiter 4 is threadedly locked into the connecting part 14 from the outer side to the inner side of the connecting part 14 of the box body, which is convenient for assembly. However, the limiter 4 can also be bolted to penetrate the connecting part 14 of the box body 1, or the limiter 4 can be arranged on the inner side of the connecting part 14 of the box body 1 by welding. The arrangement method of the limiter 4 can be selected according to the product structure design and product cost control needs, and is not limited here.

[0038] It should be noted that the technical features not explained in the specific embodiment 2 are explained using the technical features of the specific embodiment 1 and will not be repeated here.

[0039] The utility model discloses a password protection box with a cover opening limit mechanism, the working principle of which is as follows: when the user closes the box cover 2 to the box body 1, the box cover 2 applies a force to the torsion spring 32, causing the torsion spring 32 to undergo elastic deformation, and when the lock core 5 keeps the lock buckle 22 in a locked state, the elastic deformation is kept; when the user unlocks the lock core 5 by fingerprint, password, APP or key, the lock core 5 releases the locking state of the lock buckle, at which time, under the action of the elastic stress of the torsion spring 32, the box cover 2 turns outward around the rotating shaft 31 to achieve the effect of automatic cover opening; when the box cover 2 is opened, the limiting member 4 blocks the installation slot 21 of the box cover 2 or the limiting portion 211 of the installation slot from continuing to move, forming a limit, so that the box cover 2 can be opened automatically. 2 The opening angle is kept within the limited angle range, thereby achieving the opening limit effect of the box cover 2; it should be noted that, after engineers tested the opening angle of the box cover 2, when the opening angle of the box cover 2 is maintained at 72-85°, since the limiting end 41 of the limiting member 4 prevents the mounting groove of the box cover 2 or the limiting portion 211 of the mounting groove 21 of the box cover 2 from continuing to move upward, the limiting end 41 applies a reaction force to the mounting groove of the box cover 2 or the limiting portion 211 of the mounting groove 21 of the box cover 2, and the reaction force offsets part of the elastic stress of the torsion spring 32 that makes the box cover 2 open automatically, and weakens the force for opening the box cover 2, so that when the box cover 2 is automatically opened, the box body 1 is relatively stable and is not prone to jumping.

[0040] It should be noted that, in the description of the present invention, the terms "upper", "lower", "inner side", "one end", "the other end", "both ends", "one side" or "the other side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, cannot be understood as limiting the present invention; in addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" The term "connection" may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, or it may be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances; in addition, the standard parts used in the utility model can be purchased from the market. If special-shaped parts are involved, they can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature screws / bolts, hinged fasteners, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, which will not be repeated here.

[0041] The above description is only a preferred embodiment of the utility model and does not limit the scope of the utility model. Therefore, without departing from the design spirit of the utility model, the equivalent changes or decorations made by ordinary engineering and technical personnel in this field to the structure, features and principles described in the utility model should fall within the protection scope of the patent application of the utility model.

Claims

1. A password protection box with a cover opening limit mechanism, comprising a box body and a box cover provided on one side of the box body, characterized in that: One end of the box cover is provided with a mounting groove, and the two ends of the mounting groove are respectively connected to one end of the box body by at least one opening cover assembly, and the opening cover assembly is used to realize automatic opening of the box cover, and at least one limiting member on the box body corresponds to and matches the opening cover assembly, and the limiting member is used to cooperate with the opening cover assembly to limit the opening angle of the box cover, and the opening cover assembly and the limiting member constitute a opening cover limiting mechanism, and the other end of the box cover is provided with at least one lock buckle, and the other end of the box body is provided with a lock core, and the lock core is used to cooperate with the lock buckle to lock the box cover, and the lock core is electrically connected to the control unit, and the control unit is used to unlock the lock core through a password, fingerprint, key and / or wireless control.

2. A password protection box with a cover opening limit mechanism according to claim 1, characterized in that: At least one sleeve is provided at each end of the mounting groove of the box cover, and the sleeve is correspondingly connected to the cover opening component. A shielding part connected to the mounting groove is provided on the corresponding cover opening component, and the shielding part is used to hide the cover opening component. The limiting members are arranged on the side walls of the corresponding ends of the box body.

3. A password protection box with a cover opening limit mechanism according to claim 2, characterized in that: The lid opening assembly includes a rotating shaft connected to the shaft sleeve of the box cover and at least one torsion spring arranged at one end of the corresponding rotating shaft. The torsion spring is used to provide power for opening the box cover. One end of the torsion spring arranged on the rotating shaft extends outward to form an extended end. The extended end is penetrated on the side wall of the corresponding side of the box body, and the box cover is hinged to the box body. At least one spring leaf is respectively arranged on each of the extended ends, and the spring leaf is used to prevent the rotating shaft from detaching from the box body.

4. A password protection box with a cover opening limit mechanism according to claim 3, characterized in that: One end of the torsion spring extends toward the side wall of the box body to form a clamping end, which is clamped on the side wall of the box body, and the other end of the torsion spring extends toward the inner side of the box cover to form a force-applying end, which contacts the inner side of the box cover.

5. The password protection box with a cover opening limit mechanism according to claim 2, characterized in that: The limiting member is protruding from the inner side of the side wall of one side of the box body, and one end of the limiting member extends into the installation groove of the box cover to form a limiting end, wherein the opening angle of the box cover is 72~85°, and the outer side of the side wall at the corresponding end of the box body is also provided with decorative members, which are used to hide the cover opening component and the limiting member and to decorate the appearance of the box body.

6. The password protection box with a cover opening limit mechanism according to claim 1, characterized in that: At least one sleeve is respectively provided at both ends of the installation groove of the box cover, and the sleeve is correspondingly connected to the cover opening component. Connecting parts are respectively provided at the corresponding sleeves on the inner side of the box body, and each connecting part is respectively connected to the corresponding cover opening component. A shielding part is also provided on each connecting part, and the shielding part is used to hide the cover opening component. The limiting members are arranged on the corresponding connecting parts.

7. A password protection box with a cover opening limit mechanism according to claim 6, characterized in that: The lid opening assembly includes a rotating shaft connected to the shaft sleeve of the box cover and a torsion spring with two ends respectively arranged at the two ends of the corresponding rotating shaft, the torsion spring is used to provide power for opening the box cover, the two ends of the rotating shaft extend outward respectively to form extended ends, each extended end is respectively penetrated on the connecting part on the same side, the box cover is hinged to the box body, each of the extended ends is respectively provided with at least one spring leaf, the spring leaf is used to prevent the rotating shaft from detaching from the box body, wherein the two ends of the torsion spring are connected by a force-bearing section, and the force-bearing section is arranged inside the shielding part.

8. The password protection box with a cover opening limit mechanism according to claim 6, characterized in that: The limiting member is protruded from the inner side of the corresponding connecting portion of the box body, and one end of the limiting member extends into the mounting groove of the box cover to form a limiting end. The mounting groove is provided with a limiting portion on the side facing the limiting end, and the limiting portion is used to cooperate with the limiting end to limit the opening angle of the box cover, wherein the opening angle of the box cover is 72 to 85°. Decorative members are also provided on the outer sides of the side walls at the corresponding ends of the box body, and the decorative members are used to decorate the appearance of the box body.

9. The password protection box with a cover opening limit mechanism according to claim 1, characterized in that: The control unit consists of a main control board, a display screen arranged on one side of the main control board, a fingerprint module arranged on the other side of the main control board, a button part arranged between the display screen and the fingerprint module, a Bluetooth module arranged on one side of the button part, a power box electrically connected to the main control board, and a battery built into the power box. The display screen, the fingerprint module, the button part, and the Bluetooth module are electrically connected to the main control board respectively, wherein the main control board is also provided with an emergency interface, which is used to connect the control unit to an external emergency power supply. The main control board is electrically connected to at least one auxiliary control board, and the auxiliary control board is provided with a setting key and at least one LED lamp bead arranged on one side of the setting key.

10. The password protection box with a cover opening limit mechanism according to claim 1, characterized in that: The inner sides of the side walls at both ends of the box body are respectively provided with protective plates, and at least one protective pad is provided on the inner bottom surface of the box body.

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