CN218477827U - Limiting mechanism for certificate storage equipment - Google Patents

Abstract

The utility model discloses a stop gear for certificate storage device, which relates to the technical field of certificate storage device, and comprises an outer shell and a storage box body, wherein the closed limit part is arranged, and the closed limit part is provided with a first closed limit component, a second closed limit component and a third closed limit component, and a plurality of groups of closed limit components act independently and are mutually matched, so that the state that one end of the storage box body, which is far away from the closed end of the outer shell, is kept in butt joint with the open end of the outer shell is ensured under the closed state of the outer shell and the storage box body; the expansion limiting part is arranged to ensure that one end, close to the closed end of the outer shell, of the storage box body is located between the closed end and the open end of the outer shell under the expansion state of the outer shell and the storage box body, the storage box body is prevented from being separated from the outer shell in the expansion process, and safety performance and practicability are enhanced.

Description

Limiting mechanism for certificate storage equipment

Technical Field

The utility model relates to a certificate storage device technical field especially relates to a stop gear for certificate storage device.

Background

At present, the types of qualification tests are more and more in society, more professional qualifications in related industries are firmly established as a great advantage of the industry, and except the professional qualifications in the related industries needing to be examined, one of the most common qualification tests in life is a driving license test; common to these qualification tests is the need to carry identification, passports and even qualification documents, but most tests do not allow too many certification documents to be brought to the test facility. Moreover, along with the continuous development of science and technology, the mode of handling certificates is handled through artifical sales counter by the tradition, and is excessive to the mode of self-service acquisition of handling gradually, consequently in order to improve the convenience, has all put in a plurality of lockers in scenes such as traffic administration and examination hall generally.

Chinese utility model patent with publication number CN214376663U discloses a locker device, which comprises a locker with a latch device, a control system and a security key generation device, wherein the control system is respectively connected with the latch device and the security key generation device, and a storage and taking setting device and a security key identification device are arranged on the locker.

However, with the mass growth of urban residents and the wide existence of IC card certificates in our lives, the number of temporary storage or certificate issuing required by related departments is larger and larger, and a large number of storage units are required, while the number of storage units of conventional storage cabinet equipment is small, and the space utilization rate in this scenario is low; however, if the volume of the storage cabinet is compressed to a volume that can only accommodate a plurality of identity and qualification documents, the doors of the storage cabinet are opened and closed, and once the documents such as the identity, the passport, the qualification documents and the like are located in the deep bottom of the storage cabinet space, the relevant documents are difficult to take out by hand for a long time, and the use is very inconvenient.

The utility model discloses a chinese utility model patent that publication number is CN216147580U discloses a device is kept to intelligent certificate, including the box, seted up the opening on the box side, sliding connection has a plurality of storage box in the box, and stores up the box and set up along vertical direction array, is provided with a plurality of power portion on the box lateral surface, power portion and storage box one-to-one, and power portion is used for driving the storage box that corresponds and slides towards the opening direction. The storage box can be guaranteed to slide out of the box body through the arranged opening, the corresponding storage box can be driven to slide out of the box body through the arranged power portion, and therefore storage and storage of the certificates are facilitated. However, the defect of the certificate storage device is obvious, the storage box is easy to separate from the box body, the safety is difficult to guarantee, and the practicability is slightly insufficient.

SUMMERY OF THE UTILITY MODEL

For solving the defect among the prior art, the utility model aims to provide a stop gear for certificate storage device.

The utility model aims at realizing through the following technical scheme: a limiting mechanism for a certificate storage device comprises an outer shell and a storage box body, wherein one end of the outer shell is opened, the other end of the outer shell is closed, the hollow upper surface of the inside of the storage box body is opened, the storage box body is in plug fit with the outer shell, and can slide along the length direction of the outer shell through the opening;

the limiting mechanism also comprises a closed limiting part and an expanded limiting part; when the outer shell and the storage box body are in a closed state, the closed limiting part is used for limiting one end, far away from the closed end of the outer shell, of the storage box body to be abutted against the open end of the outer shell;

the expansion limiting part is used for limiting the storage box body to slide and move towards the direction far away from the outer shell, and one end, close to the closed end of the outer shell, of the storage box body is located between the closed end and the open end of the outer shell.

Through adopting the above technical scheme, closed spacing portion is convenient for guarantee under shell and the storage box body closure state that the one end that the storage box body kept away from the shell body blind end keeps the looks butt state with the open end of shell body, is convenient for guarantee through expanding spacing portion that the one end that the storage box body is close to the shell body blind end is located between the blind end and the open end of shell body under shell and storage box body expansion state, avoids expanding in-process storage box body and deviates from the shell body, is convenient for strengthen security performance and practicality.

Preferably, the closure stop comprises a first closure stop component;

the first closing limiting assembly comprises a plurality of limiting rods, the limiting rods are arranged along the length direction of the outer shell, and one end of each limiting rod is fixedly connected with one end, close to the closed end of the outer shell, of the storage box body;

when the one end that storage box body was kept away from to the gag lever post was in the same place with the blind end looks butt of shell body, storage box body keeps away from the one end of shell body blind end and the open end looks butt of shell body.

By adopting the technical scheme, when the limiting rod is abutted against the closed end of the outer shell in the closed state of the outer shell and the storage box body, the first closed limiting component is convenient for ensuring that one end of the storage box body, which is far away from the closed end of the outer shell, is abutted against the open end of the outer shell, so that the design is reasonable, attractive and practical; other related components can be arranged among the limiting rods to expand functions, and other functions can also be expanded by arranging the related components on the limiting rods.

Preferably, the expansion limiting part comprises a first translation limiting block and a fixed limiting block;

one end of the first translation limiting block is fixedly connected with the limiting rod or the lower surface of the storage box body, and the other end of the first translation limiting block extends towards the direction close to the lower surface of the outer shell; the fixed limiting block is fixedly connected with the inner surface of the outer shell;

the overlapping area of the projections of the fixed limiting block and the first translation limiting block in the length direction of the outer shell is larger than 0; the first translation limiting block moves in a translation mode along the length direction of the outer shell between the closed end of the outer shell and the fixed limiting block.

Through adopting above-mentioned technical scheme, expand to the extreme state at the shells and storage box body, the first translation stopper of the lower surface of gag lever post and storage box body global motion to first translation stopper and fixed stopper looks butt, fixed stopper prevents that first translation stopper and storage box body are whole to continue to the direction motion of keeping away from the shell body to avoid storage box body to deviate from the shell body.

Preferably, a driving mechanism is arranged in the outer shell and used for driving the storage box body to slide along the length direction of the outer shell through the opening end of the outer shell.

By adopting the technical scheme, the driving mechanism is arranged in the space between the outer shell and the storage box body in the closed state, and the first closing limiting component can avoid the storage box body from being damaged due to excessive displacement and collision of partial components of the driving mechanism in the translational motion process; the convenient automation, intelligent operation avoid need manual drive storage box body to pass through the open end of shell body and follow the length direction of shell body inconvenient that the motion of sliding caused, laborsaving, save worry, save trouble.

Preferably, the driving mechanism comprises a control component, a driving motor, a transmission component, a driving gear and a rack;

the rack is arranged along the length direction of the storage box body, the upper surface of the rack is fixedly connected with the lower surface of the storage box body, and the driving gear is meshed with the rack; the driving motor drives the driving gear to rotate through the transmission assembly so as to drive the rack and the storage box body to horizontally displace along the length direction of the outer shell;

the control assembly comprises a closed contact block, an expanded contact block, a first fixed contact, a second fixed contact and an elastic middle contact positioned between the first fixed contact and the second fixed contact;

the upper surfaces of the closed contact block and the expanded contact block are fixedly connected with the lower surface of the storage box body, the first fixed contact, the second fixed contact and the elastic intermediate contact are arranged in parallel along the width direction of the outer shell and are sequentially arranged along the direction from the closed end of the outer shell to the direction far away from the closed end of the outer shell, and one end of the same side of the first fixed contact, the second fixed contact and the elastic intermediate contact is connected with the inner surface of the outer shell;

the projection coincidence area of the first fixed contact and the second fixed contact with the closed contact block and the projection coincidence area of the second fixed contact and the projection coincidence area of the open contact block in the length direction of the outer shell are respectively 0; the projection coincidence area of the closed contact block and the expanded contact block and the elastic middle contact in the length direction of the outer shell is larger than 0; the elastic middle contact is positioned between the closed contact block and the expanded contact block;

the first fixed contact, the second fixed contact and the elastic intermediate contact are electrically connected with a driving motor; under the closed state of the outer shell and the storage box body, the closed contact block presses the elastic middle contact to be bent and to be abutted against the first fixed contact, and under the expanded state of the outer shell and the storage box body, the expanded contact block presses the elastic middle contact to be bent and to be abutted against the second fixed contact, so that the driving motor stops driving the driving gear to rotate through the transmission assembly to drive the rack and the storage box body to horizontally displace along the length direction of the outer shell.

Through adopting above-mentioned technical scheme, contact and first fixed contact break away from the butt state in the middle of the elasticity, thereby driving motor starts to drive the drive gear rotation through transmission assembly and drives the rack, storage box body is along the length direction level of shell body to the direction displacement of keeping away from the shell body, contact bending and second fixed contact are inconsistent in the middle of expanding the butt piece and elasticity and oppressing the elasticity, driving motor outage this moment, storage box body stops the displacement, thereby realize the operation that shell body and storage box body expand.

Contact and second fixed contact break away from the butt state in the middle of elasticity, thereby driving motor starts to drive the drive gear rotation through drive assembly and drives the rack, storage box body is along the length direction level of shell body to the direction displacement of being close to the shell body, it is inconsistent and oppression elasticity intermediate contact bending and first fixed contact are inconsistent with the elasticity intermediate contact to reach closed butt piece, driving motor outage this moment, storage box body stops the displacement to realize shell body and the closed operation of storage box body.

Preferably, the closing limiting part further comprises a second closing limiting component, and the second closing limiting component comprises a gear notch arranged on the outer periphery of the driving gear and a rack limiting lug arranged at one end of the rack far away from the closed end of the outer shell;

the gear rack limiting lug is positioned in the gear notch, one side of the gear rack limiting lug, which is far away from the closed end of the outer shell, is abutted against one side of the gear notch, when the outer shell and the storage box body start to expand, the driving gear idles to the other side of the gear notch and the side of the gear rack limiting lug, which is close to the closed end of the outer shell, are abutted, and the gear rack are meshed with each other.

Through adopting above-mentioned technical scheme, because the crooked back that offsets with first fixed contact, second fixed contact of contact in the middle of the elasticity, the power failure of driving motor nevertheless inertia can make it still rotatory a plurality of circles, and the realization buffering that can be fine through the gear breach prolongs the life of equipment.

When the outer shell and the storage box body start to be unfolded, the driving motor is started, the driving gear idles in the space of the gear notch until one side edge of the gear notch abuts against one side, close to the closed end of the outer shell, of the rack limiting lug, so that the driving gear and the rack are in a meshed state, and the storage box body continues to move towards the direction far away from the outer shell.

When the outer shell and the storage box body are closed, when the driving gear and the rack are disengaged, the rack limiting lug is positioned in the gear notch, the driving gear continues to idle under the inertia effect of the driving motor until the other side edge of the gear notch is abutted to one side of the rack limiting lug, which is far away from the closed end of the outer shell, and the rack is limited by the rack limiting lug.

Preferably, the closed limiting part further comprises a third closed limiting component, and the third closed limiting component comprises a translation gear limiting part arranged on the upper surface of the driving gear and a second translation limiting part arranged on the lower surface of the storage box body;

when the outer shell and the storage box body are in a closed state, one side, away from the closed end of the outer shell, of the rack limiting lug is abutted against one side edge of the gear notch, and the second translation limiting block is abutted against one side, close to the central axis of the driving gear, of the translation gear limiting part.

By adopting the technical scheme, when the outer shell and the storage box body are in a closed state, one side of the rack limiting lug, which is far away from the closed end of the outer shell, is abutted against one side of the gear notch, the second translation limiting block and one side of the translation gear limiting part, which is close to the central axis of the driving gear, are abutted against one side of the storage box body, and the storage box body is prevented from being separated. When the outer shell and the storage box body need to be unfolded, in the idling process of the driving gear, the second translation limiting block is separated from the translation gear limiting part to be abutted, so that the storage box body can move towards the direction far away from the outer shell under the matching of the driving gear and the rack.

Preferably, the third closing limiting assembly further comprises a rotary gear limiting part arranged on the upper surface of the driving gear and a 7-shaped stop block arranged on the bottom surface inside the outer shell;

the farthest distance between the limiting piece of the translation gear and the circle center of the driving gear is less than or equal to the shortest distance between the 7-shaped stop block and the circle center of the gear; the farthest distance between the rotating gear limiting part and the circle center of the driving gear is larger than the shortest distance between the 7-shaped stop block and the circle center of the gear.

Through adopting above-mentioned technical scheme, when one side that the shell body blind end was kept away from to rack spacing lug and gear gap's a side looks butt, the one end and the 7 style of calligraphy dogs looks butt that translation gear locating part was kept away from to rotatory gear locating part, and multiple spacing is more reliable, is convenient for guarantee second translation limiting part and translation gear locating part looks butt under the closure state.

Preferably, a cover plate is arranged in the storage box body, and two sides of one end, close to the closed end of the outer shell, of the cover plate are hinged to two inner side walls in the width direction of the storage box body respectively.

Through adopting above-mentioned technical scheme, can compress tightly through the apron in putting into storage box body as the certificate data, play the effect of protection certificate, avoid when opening storage box body certificate upper surface perk by wearing and tearing or tearing, avoid when storage box body expandes from the shell body simultaneously, the certificate data of the superiors falls into inside the shell body, treat that storage box body expandes the apron from the shell body completely and can take out the certificate data.

Preferably, the upper surface of the cover plate is provided with a plurality of through holes in a penetrating manner;

a plurality of elastic pieces are arranged at the hinged positions of the cover plate and the storage box body in the storage box body; when the outer shell and the storage box body are in a closed state, and the cover plate is horizontally parallel to the bottom of the storage box body, the elastic potential energy of the elastic part is highest; when the outer shell and the storage box body are in an unfolded state, the elastic potential energy stored by the elastic part is reduced, and the cover plate rotates in the direction away from the storage box body by taking the hinge shaft as the axial direction under the action of the elastic part.

By adopting the technical scheme, the cover plate can be conveniently lifted manually through the through hole; the elastic member facilitates the cover to be automatically unfolded when the storage case is unfolded from the outer case.

To sum up, compare with prior art, the utility model discloses following beneficial effect has:

(1) The limiting mechanism for the certificate storage device is provided with the closed limiting parts, and the multiple groups of closed limiting components are convenient to ensure that one end, far away from the closed end of the outer shell, of the storage box body is kept in a state of abutting joint with the open end of the outer shell in the closed state of the outer shell and the storage box body; the expansion limiting part is arranged to ensure that one end of the storage box body close to the closed end of the outer shell is positioned between the closed end and the open end of the outer shell under the expansion state of the outer shell and the storage box body, so that the storage box body is prevented from dropping off the outer shell in the expansion process, and the safety performance and the practicability are enhanced;

(2) The closed limiting part is provided with a first closed limiting component, a second closed limiting component and a third closed limiting component, the three limiting components act independently and are matched with each other in a closed state, and the state that one end of the storage box body, which is far away from the closed end of the outer shell, is kept in abutting connection with the open end of the outer shell is jointly ensured;

(3) The unfolding limiting part is provided with a first translation limiting block and a fixed limiting block, so that the storage box body is prevented from falling off the outer shell;

(4) The automatic storage box body, the expansion and the closure of shell body of being convenient for through setting up actuating mechanism, through setting up the apron, facilitate the use more, when avoiding storage box body to expand from the shell body, the certificate data of the superiors fall into inside the shell body.

Drawings

Fig. 1 is a schematic structural diagram of a limiting mechanism for a certificate storage device according to embodiment 1-2 of the present invention;

fig. 2 is an exploded view of a spacing mechanism for a document storage device according to embodiments 1-2 of the present invention;

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

fig. 4 is an explosion structure diagram of the spacing mechanism for the credential storage device according to embodiment 1-2 of the present invention for showing the first translational spacing block in another direction;

fig. 5 is an exploded view of the spacing mechanism for document storage devices according to embodiments 1-2 of the present invention, in another direction to show the gear gap;

fig. 6 is an explosion structure diagram of the spacing mechanism for the credential storage device according to embodiment 1-2 in another direction to show the rack spacing bump;

reference numerals are as follows: 1. an outer housing; 11. a closed end; 12. an open end; 2. a storage box body; 3. a first closed limit component; 31. a limiting rod; 32. a butting block; 41. a first translation limiting block; 42. fixing a limiting block; 511. closing the contact block; 512. unfolding the contact block; 513. a first fixed contact; 514. an elastic intermediate contact; 515. a second fixed contact; 52. a drive motor; 53. a transmission assembly; 54. a drive gear; 55. a rack; 61. a gear notch; 62. A rack limiting bump; 71. a translation gear limit; 72. a second translation limiting block; 73. a rotating gear limit; 74. a 7-shaped stop block; 8. a cover plate; 81. a through hole; 82. an elastic member.

Detailed Description

The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, directional terms are used, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be interpreted as words of convenience and should not be interpreted as limiting terms. As used herein, the terms "distal" and "proximal" in the context of "distal", "proximal", and "proximal" refer to positions relative to the operator of the needle assembly that are "proximal" toward the operator and "distal" away from the operator.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each range and the individual values, and between the individual values may be combined with each other to give one or more new ranges of values, which ranges of values are to be considered as specifically disclosed herein, the invention is described in detail below with reference to specific examples:

example 1

As shown in fig. 1 and 2, a limiting mechanism for a certificate storage device comprises an outer shell 1, a storage box body 2, a closed limiting part and an expanded limiting part; wherein the opening of 1 one end of shell body is open end 12, and the other end seals to blind end 11, and 2 inside cavity and upper surface openings of storage box body, storage box body 2 and shell body 1 are pegged graft the cooperation to the length direction gliding motion of shell body 1 is followed to the opening part of accessible shell body 1.

A rectangular sheet-shaped cover plate 8 and two elastic pieces 82 are arranged in the storage box body 2, three circular through holes 81 are arranged on the upper surface of the cover plate 8 in a penetrating manner, two sides of one end, close to the closed end 11 of the outer shell 1, of the cover plate are respectively hinged with two inner side walls in the width direction of the middle of the storage box body 2, the elastic pieces 82 can be springs, torsional springs and other forms which meet the use conditions at will, in the embodiment, the elastic pieces 82 are torsional springs and are sleeved at the hinged shaft of the cover plate 8 and the storage box body 2, when the outer shell 1 and the storage box body 2 are in a closed state, the cover plate 8 is horizontally parallel to the bottom of the storage box body 2, the effect of protecting articles such as certificates and the like in the storage box body 2 is achieved, the situation that the upper surface of the certificates is tilted and worn or torn when the storage box body is opened is avoided, and the elastic potential energy of the elastic pieces 82 is highest at the moment; when the outer casing 1 and the storage box body 2 are unfolded, the elastic potential energy stored by the elastic part 82 is reduced, the cover plate 8 rotates in the direction of being far away from the storage box body 2 by taking the hinge shaft as the axial direction under the action of the elastic part 82, and the cover plate can avoid that the certificate data on the uppermost layer falls into the inner part of the outer casing 1 when the storage box body 2 is unfolded from the outer casing 1.

The closed limiting part comprises a first closed limiting component 3; wherein first closed spacing subassembly 3 includes 2 rectangular gag lever posts 31 that set up along shell body 1 length direction, and two gag lever posts 31 are close to the both ends fixed connection of one side of shell body 1 blind end 11 with storage box body 2 respectively, and every gag lever post 31 still is provided with butt joint piece 32 in the corresponding department of shell body 1 internal surface level.

As shown in fig. 3 and 4, the expansion limiting portion includes a first translation limiting block 41 in a rectangular sheet shape and a fixing limiting block 42 in a triangular prism shape; one end of the first translation limiting block 41 is fixedly connected with the lower surface of the limiting rod 31, and the other end thereof vertically extends downwards; one side edge of the triangular prism-shaped fixed limiting block 42 is fixedly connected with the bottom surface of the outer shell 1, and the side surface close to the closed end 11 of the outer shell 1 is vertical to the bottom surface of the outer shell 1 and vertical to the length direction of the outer shell 1; the overlapping area of the projections of the fixed stopper 42 and the first translation stopper 41 in the length direction of the outer housing 1 is greater than 0.

When the storage box is used, when the outer shell 1 and the storage box body 2 are in a closed state, and one end of the limiting rod 31, far away from the storage box body 2, is abutted against the abutting block 32 of the closed end 11 of the outer shell 1, the state that one end of the storage box body 2, far away from the closed end 11 of the outer shell 1, is just abutted against the open end 12 of the outer shell 1 is conveniently ensured through the first closed limiting component 3, and the storage box is reasonable in design, attractive and practical; other related component expansion functions can be installed between the two limiting rods 31, and other functions can also be expanded by arranging related components on the limiting rods 31.

In the unfolding process of the outer shell 1 and the storage box body 2, the first translation limiting block 41 on the lower surface of the limiting rod 31 moves in translation along the length direction of the outer shell 1 between the closed end 11 of the outer shell 1 and the fixed limiting block 42, when the first translation limiting block 41 moves integrally with the storage box body 2 to abut against the first translation limiting block 41 and the fixed limiting block 42, the outer shell 1 and the storage box body 2 are unfolded to a limit state, and the fixed limiting block 42 prevents the first translation limiting block 41 and the storage box body 2 from moving integrally to a direction far away from the outer shell 1, so that the storage box body 2 is prevented from being separated from the outer shell 1.

One end of the storage box body 2 away from the closed end 11 of the outer shell 1 and the open end 12 of the outer shell 1 are kept in butt joint through the closed limiting part, the end of the storage box body 2 close to the closed end 11 of the outer shell 1 is located between the closed end 11 of the outer shell 1 and the open end 12 through the unfolded limiting part, the storage box body 2 is prevented from being separated from the outer shell 1 in the unfolding process, and the safety performance and the practicability are enhanced conveniently.

Example 2

As shown in fig. 5 and 6, a spacing mechanism for a certificate storage device is different from embodiment 1 in that a driving mechanism is arranged in an outer casing 1, and the driving mechanism comprises a control component, a driving motor 52, a transmission component 53, a driving gear 54 and a rack 55; the drive motor 52 is located between the two stop levers 31.

Wherein, the transmission assembly 53 comprises a transmission belt and two transmission gears which are mutually matched, the transmission belt is connected with the output end of the driving motor 52 and the transmission gear close to the driving motor 52, and the other transmission gear is respectively meshed with the transmission gear close to the driving motor 52 and the driving gear 54. The rack 55 is arranged along the length direction of the storage box body 2, the upper surface of the rack is fixedly connected with the right side of the lower surface of the storage box body 2, the rack 55 extends to the middle part of the storage box body 2 from the end part of the limiting rod 31, and the driving gear 54 is meshed with the rack 55.

The control assembly comprises a cylindrical closing contact block 511, a sheet-shaped expanding contact block 512, and a first fixed contact 513, an elastic middle contact 514 and a second fixed contact 515 which are arranged in sequence along the direction from the closed end 11 of the outer shell 1 to the direction far away from the closed end 11 of the outer shell 1, wherein the first fixed contact 513, the second fixed contact 515 and the elastic middle contact 514 are electrically connected with the driving motor 52.

As shown in fig. 3, the upper surfaces of the closing abutting block 511 and the opening abutting block 512 are fixedly connected with the lower surface of the storage box body 2, the left ends of the first fixed contact 513, the second fixed contact 515 and the elastic intermediate contact 514 are aligned and fixedly connected with the inner surface of the outer shell 1, the first fixed contact 513, the second fixed contact 515 and the elastic intermediate contact 514 are arranged in parallel along the width direction of the outer shell 1, the lengths of the first fixed contact 513 and the second fixed contact 515 are the same, and the length of the elastic intermediate contact 514 is greater than the lengths of the first fixed contact 513 and the second fixed contact 515. The projection overlapping areas of the first fixed contact 513 and the second fixed contact 515 with the closing contact block 511 and the expanding contact block 512 in the length direction of the outer shell 1 are 0; the projection overlapping areas of the closed contact block 511 and the expanded contact block 512 and the elastic middle contact 514 in the length direction of the outer shell 1 are respectively larger than 0; the resilient intermediate contact 514 is located between the closing abutment blocks 511 and the opening abutment blocks 512.

The closed limiting part further comprises a second closed limiting component and a third closed limiting component. The second closing limit component includes a gear notch 61 disposed on the outer periphery of the driving gear 54 and a triangular prism-shaped rack limit projection 62 disposed on one end of the rack 55 far from the closed end 11 of the outer casing 1. The third closing limiting assembly comprises a sector annular sheet-shaped translational gear limiting part 71 and a strip-shaped sheet-shaped rotational gear limiting part 73 which are vertically arranged on the upper surface of the driving gear 54 in an end-to-end manner, a sheet-shaped second translational limiting part 72 arranged on the lower surface of the storage box body 2, and a 7-shaped stop block 74 arranged on the inner bottom surface of the outer shell 1.

The farthest distance between the translation gear limiting piece 71 and the circle center of the driving gear 54 is less than or equal to the shortest distance between the 7-shaped stop block 74 and the circle center of the gear; the farthest distance between the rotary gear limiting part 73 and the circle center of the driving gear 54 is greater than the shortest distance between the 7-shaped stop block 74 and the circle center of the gear.

During the use, under shell body 1 and the closure state of storage box body 2, rack limit lug 62 is located in gear breach 61, and one side that shell body 1 closed end 11 was kept away from to rack limit lug 62 is with a side butt of gear breach 61, and second translation stopper 72 and translation gear stopper 71 are close to one side butt of drive gear 54 axis, and the one end that rotatory gear stopper 73 kept away from translation gear stopper 71 is with 7 style of calligraphy dogs 74 butt. The elastic intermediate contact 514 abuts against the first fixed contact 513, and the driving motor 52 is in a power-off and driving force-free state.

When the outer shell 1 and the storage box body 2 start to be unfolded, when the elastic intermediate contact 514 is separated from the first fixed contact 513, the driving motor 52 is started to drive the driving gear 54 to rotate through the transmission assembly 53, the driving gear 54 firstly runs idle through the space of the gear notch 61 until one side of the gear notch 61 abuts against one side of the rack limiting lug 62 close to the closed end 11 of the outer shell 1, meanwhile, the rotating gear limiting piece 73 rotates in the direction away from the 7-shaped stop block 74, the second translation limiting block 72 is separated from the translation gear limiting piece 71 and abuts against the second translation limiting block 71, meanwhile, the driving gear 54 and the rack 55 enter the meshed state, so as to drive the rack 55 and the storage box body 2 to horizontally displace in the direction away from the outer shell 1 along the length direction of the outer shell 1, until the unfolding abutting block 512 abuts against the elastic intermediate contact 514 and presses the elastic intermediate contact 514 to bend and abut against the second fixed contact 515, at this time, the driving motor 52 is powered off, the first translation limiting block 41 abuts against the fixed limiting block 42, and the storage box body 2 stops displacing, thereby realizing the operation of unfolding the outer shell 1 and the storage box body 2.

When the outer shell 1 and the storage box body 2 start to close, the elastic intermediate contact 514 is separated from the abutting state with the second fixed contact 515, the driving motor 52 is started to drive the driving gear 54 to rotate through the transmission component 53, so as to drive the rack 55, the storage box body 2 horizontally moves towards the direction close to the outer shell 1 along the length direction of the outer shell 1, until the closing abutting block 511 abuts against the elastic intermediate contact 514 and presses the elastic intermediate contact 514 to bend and abut against the first fixed contact 513, at this time, the driving motor 52 is powered off, the driving gear 54 is separated from the meshing state with the rack 55, the rack limiting lug 62 is located in the gear notch 61, the storage box body 2 stops moving, the driving gear 54 continues to idle under the inertia effect of the driving motor 52 until the other side edge of the gear notch 61 abuts against one side of the rack limiting lug 62 away from the closed end 11 of the outer shell 1 and plays a limiting role on the rack 55 through the rack limiting lug 62, the second translation limiting block 72 abuts against one side of the translation gear limiting piece 71 close to the driving gear 54, and plays a limiting role on the storage box body 2, so as to avoid the storage box body 2 from dropping off, thereby realizing the closing operation of the outer shell 1 and the storage box body 2.

The driving mechanism is convenient for automatic and intelligent operation, and avoids the inconvenience caused by the sliding movement of the storage box body 2 along the length direction of the outer shell 1 through the opening end 12 of the outer shell 1. The gear notch 61 can well realize buffering, and the service life of the equipment is prolonged. The three limits in the closed state facilitate ensuring that the second translational limit block 72 abuts the translational gear limit block 71 in the closed state. The expansion state limit is convenient for ensuring that one end of the storage box body 2 close to the closed end 11 of the outer shell 1 is positioned between the closed end 11 and the open end 12 of the outer shell 1 in the expansion state of the outer shell 1 and the storage box body 2, and the storage box body 2 is prevented from being separated from the outer shell 1 in the expansion process. The multiple limiting is more reliable in use, and the safety performance and the practicability of the certificate storage device are enhanced conveniently.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the essential spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A limiting mechanism for a certificate storage device comprises an outer shell (1) and a storage box body (2), and is characterized in that one end of the outer shell (1) is open, the other end of the outer shell is closed, the storage box body (2) is internally provided with a hollow upper surface opening, the storage box body (2) is in plug-in fit with the outer shell (1), and can slide along the length direction of the outer shell (1) through the opening;

the limiting mechanism also comprises a closed limiting part and an expanded limiting part; when the outer shell (1) and the storage box body (2) are in a closed state, the closed limiting part is used for limiting one end, far away from the closed end (11) of the outer shell (1), of the storage box body (2) to be abutted against the open end (12) of the outer shell (1);

the expansion limiting part is used for limiting the storage box body (2) to slide and move towards the direction far away from the outer shell (1), and one end, close to the closed end (11) of the outer shell (1), of the storage box body (2) is located between the closed end (11) and the open end (12) of the outer shell (1).

2. The spacing mechanism for a credential storage device of claim 1, wherein the close spacing portion comprises a first close spacing component (3);

the first closing limiting component (3) comprises a plurality of limiting rods (31), the limiting rods (31) are arranged along the length direction of the outer shell (1), and one end of each limiting rod (31) is fixedly connected with one end, close to the closed end (11) of the outer shell (1), of the storage box body (2);

when one end of the limiting rod (31) far away from the storage box body (2) is abutted against the closed end (11) of the outer shell (1), one end of the storage box body (2) far away from the closed end (11) of the outer shell (1) is abutted against the open end (12) of the outer shell (1).

3. The spacing mechanism for a credential storage device of claim 2, wherein the deployment spacing portion comprises a first translation spacing block (41), a fixed spacing block (42);

one end of the first translation limiting block (41) is fixedly connected with the limiting rod (31) or the lower surface of the storage box body (2), and the other end of the first translation limiting block extends towards the direction close to the lower surface of the outer shell (1); the fixed limiting block (42) is fixedly connected with the inner surface of the outer shell (1);

the superposition area of the projection of the fixed limiting block (42) and the first translation limiting block (41) in the length direction of the outer shell (1) is larger than 0; the first translation limiting block (41) moves in a translation mode between the closed end (11) of the outer shell (1) and the fixed limiting block (42) along the length direction of the outer shell (1).

4. The spacing mechanism for a document storage device according to claim 1, wherein a driving mechanism is arranged in the outer casing (1) and is used for driving the storage box body (2) to slide along the length direction of the outer casing (1) through the opening end (12) of the outer casing (1).

5. The spacing mechanism for a credential storage device as in claim 4, wherein the drive mechanism comprises a control assembly, a drive motor (52), a transmission assembly (53), a drive gear (54), a rack (55);

the rack (55) is arranged along the length direction of the storage box body (2), the upper surface of the rack is fixedly connected with the lower surface of the storage box body (2), and the driving gear (54) is meshed with the rack (55); the driving motor (52) drives the driving gear (54) to rotate through the transmission component (53) so as to drive the rack (55) and the storage box body (2) to horizontally displace along the length direction of the outer shell (1);

the control assembly comprises a closing contact block (511), an expanding contact block (512), a first fixed contact (513), a second fixed contact (515) and an elastic intermediate contact (514) positioned between the first fixed contact (513) and the second fixed contact (515);

the upper surfaces of the closed contact block (511) and the expanded contact block (512) are fixedly connected with the lower surface of the storage box body (2), the first fixed contact (513), the second fixed contact (515) and the elastic middle contact (514) are arranged in parallel along the width direction of the outer shell (1) and are sequentially arranged along the direction from the closed end (11) of the outer shell (1) to the direction far away from the closed end (11) of the outer shell (1), and one end of the same side of the first fixed contact (513) is connected with the inner surface of the outer shell (1);

the projection superposition areas of the first fixed contact (513) and the second fixed contact (515) and the projection superposition areas of the closing contact block (511) and the expanding contact block (512) in the length direction of the outer shell (1) are respectively 0; the projection superposition areas of the closed contact block (511) and the expanded contact block (512) and the elastic middle contact (514) in the length direction of the outer shell (1) are respectively larger than 0; the resilient intermediate contact (514) is located between the closing abutment block (511) and the opening abutment block (512);

the first fixed contact (513), the second fixed contact (515) and the elastic intermediate contact (514) are electrically connected with a driving motor (52); under the closed state of the outer shell (1) and the storage box body (2), the closed contact block (511) presses the elastic middle contact (514) to be bent and to be abutted against the first fixed contact (513), and under the unfolded state of the outer shell (1) and the storage box body (2), the unfolded contact block (512) presses the elastic middle contact (514) to be bent and to be abutted against the second fixed contact (515) so that the driving motor (52) stops driving the driving gear (54) to rotate through the transmission component (53) to drive the rack (55), and the storage box body (2) horizontally displaces along the length direction of the outer shell (1).

6. The spacing mechanism for a document storage device according to claim 5, wherein the closure spacing portion further comprises a second closure spacing assembly comprising a gear notch (61) disposed on an outer peripheral side of the drive gear (54) and a rack spacing projection (62) disposed on an end of the rack (55) distal from the closed end (11) of the outer housing (1);

when the outer shell (1) and the storage box body (2) are in a closed state, the rack limiting lug (62) is located in the gear notch (61), one side, away from the closed end (11) of the outer shell (1), of the rack limiting lug (62) is abutted to one side edge of the gear notch (61), when the outer shell (1) and the storage box body (2) begin to unfold, the driving gear (54) idles to the other side edge of the gear notch (61) and one side, close to the closed end (11) of the outer shell (1), of the rack limiting lug (62) are abutted to each other, and meanwhile, the driving gear (54) is meshed with the rack (55).

7. The spacing mechanism for credential storage devices as in claim 6, wherein the closure spacing portion further comprises a third closure spacing assembly comprising a translational gear spacing member (71) disposed on an upper surface of the drive gear (54) and a second translational spacing member (72) disposed on a lower surface of the storage case (2);

when the outer shell (1) and the storage box body (2) are in a closed state, one side, away from the closed end (11) of the outer shell (1), of the rack limiting lug (62) is abutted against one side of the gear notch (61), and the second translation limiting block (72) is abutted against one side, close to the central axis of the driving gear (54), of the translation gear limiting piece (71).

8. The spacing mechanism for credential storage devices as in claim 7, wherein the third closing spacing assembly further comprises a rotary gear spacing member (73) disposed on an upper surface of the drive gear (54) and a 7-shaped stop (74) disposed on an inner bottom surface of the outer housing (1);

the farthest distance between the translation gear limiting piece (71) and the circle center of the driving gear (54) is smaller than or equal to the shortest distance between the 7-shaped stop block (74) and the circle center of the gear; the farthest distance between the rotary gear limiting piece (73) and the circle center of the driving gear (54) is larger than the shortest distance between the 7-shaped stop block (74) and the circle center of the gear.

9. The limiting mechanism for the document storage device according to claim 1, wherein a cover plate (8) is arranged in the storage box body (2), and two sides of one end of the cover plate (8) close to the closed end (11) of the outer shell (1) are respectively hinged with two inner side walls in the width direction of the storage box body (2).

10. The spacing mechanism for a document storage device according to claim 9, wherein a plurality of through holes (81) are arranged on the upper surface of the cover plate (8);

a plurality of elastic pieces (82) are arranged in the storage box body (2) at the hinged positions of the cover plate (8) and the storage box body (2); when the outer shell (1) and the storage box body (2) are in a closed state, and the cover plate (8) is horizontally parallel to the bottom of the storage box body (2), the elastic potential energy of the elastic piece (82) is the highest; when the outer shell (1) and the storage box body (2) are in an unfolded state, the elastic potential energy stored by the elastic part (82) is reduced, and the cover plate (8) rotates in the direction away from the storage box body (2) by taking the hinge shaft as the axial direction under the action of the elastic part (82).

Images