CN218418776U

CN218418776U - Writing case with hidden lock structure

Info

Publication number: CN218418776U
Application number: CN202222849189.4U
Authority: CN
Inventors: 杨柳青
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a stationery box with hide keying structure, including the box body and with box body articulated lid, the front side of lid is equipped with the mounting groove sunken to the box body direction, the mounting groove internal rotation is equipped with upper end open-ended sleeve, be equipped with in the sleeve and slide and lower extreme open-ended knob along sleeve axis direction, the inside of knob is fixed with first elastic component, the other end of first elastic component stretches out the knob and fixes with telescopic bottom, telescopic bottom is fixed with the pull rod, the knob inside is fixed with the installation piece, it is equipped with a plurality of steps of moving back of preventing to be equipped with return circuit structure groove and return circuit structure groove on the installation piece, the pole portion of pull rod is located return circuit structure inslot and the end of bending moves along return circuit structure groove, return circuit structure groove includes the screens structure with end joint of bending, telescopic bottom is equipped with eccentric articulated shaft, it has the connecting rod to articulate on the articulated shaft, the other end of connecting rod is articulated with the activity tongue, the activity tongue slides and locates in the mounting hole on the mounting groove lateral wall, be equipped with the fore wall of activity tongue joint on the front side inner wall of box body.

Description

Writing case with hidden lock structure

Technical Field

The utility model relates to a study article technical field, concretely relates to stationery box with hide lock structure.

Background

The writing case is one of important stationery which is frequently used by students, and is generally used for containing learning stationery such as pencils, pens, gel pens, erasers, rulers and the like, so that the various learning stationery is more convenient to carry. The existing stationery case generally comprises a case body and a case cover, wherein the case body and the case cover can be folded in a hinged mode to form a cavity for storing various stationery, and the case body and the case cover are locked through a locking mechanism, so that the stationery in the stationery case is prevented from being scattered due to separation between the case body and the case cover.

In the prior art, various structures are provided for reasonable partitioning in a box body and storage of stationery, but a locking mechanism is usually arranged on the outer side of the stationery box to lock the box body and a box cover, for example, a stationery box disclosed in the prior patent No. CN211608441U, the locking mechanism comprises a lock catch arranged on the outer side of a front panel of a box body, a hook is formed on the lock catch, a clamping block is formed on the outer side surface of the front panel of the box cover, the stationery box is folded by the clamping and matching of the hook and the clamping block, and the hook and the clamping block can be separated by pressing the tail end of the lock catch, so that the stationery box is opened; the clamping piece is arranged and used for locking the lock catch. At the moment, the locking mechanism is arranged on the outer side of the writing case, when the writing case is placed in a schoolbag, the writing case swings in the schoolbag along with the walking of a person, the locking mechanism which is arranged on the outer side of the writing case and protrudes out of the writing case easily collides with other objects in the schoolbag, the locking mechanism is damaged or deformed, the writing case is difficult to open or lock, the clamping piece is also positioned on the outer side of the writing case at the moment and easily slides between the clamping piece and the lock catch under the impact of other objects, the lock catch body is exposed outside, the clamping hook of the lock catch is separated from the clamping block under the impact of other objects, and the cover case and the case body are unlocked.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a writing case with hide lock structure sets up locking mechanical system in the writing case, and can hide locking mechanical system, avoids damaging the locking mechanical system on the writing case because the collision of external article, and causes the situation that the writing case is difficult to open or is difficult to the locking.

The utility model provides a solve above-mentioned technical problem and provide a stationery box with hide keying structure, including box body and rear side and box body articulated lid, the front side of lid be equipped with to the sunken mounting groove of box body direction, the mounting groove internal rotation is equipped with upper end open-ended sleeve, be equipped with the edge in the sleeve slip and lower extreme open-ended knob of sleeve axis direction, the inside of knob is fixed with first elastic component, the other end of first elastic component stretches out the knob with telescopic bottom is fixed, telescopic bottom is fixed with to the pull rod that the knob direction extends, the inside installation piece that is fixed with of knob, be equipped with return circuit structure groove on the installation piece just return circuit structure groove is equipped with a plurality of steps of preventing moving back, the pole portion of pull rod is located return circuit structure inslot and being close to the end of bending of knob one end is followed return circuit structure groove removes, return circuit structure groove include with the screens structure of bending end joint, telescopic bottom is equipped with eccentric articulated shaft, articulated on the articulated shaft have the connecting rod, the other end of connecting rod is articulated with the activity tongue, the slip of activity is located in the mounting groove on the lateral wall, be equipped with the front side of box body the joint.

Further, the bottom of mounting groove is kept away from be equipped with the spring guide post on the lateral wall of one side of mounting hole, the cover is equipped with the spring on the spring guide post, the one end of spring with the inner wall of mounting groove is fixed, the other end with the activity tongue is fixed.

Furthermore, the inner side wall of the mounting groove is provided with a vertical arc-shaped limiting groove, and the outer side wall of the sleeve is symmetrically provided with two groups of arc-shaped protrusions matched with the arc-shaped limiting grooves.

Furthermore, the inner side wall of the sleeve is uniformly provided with guide blocks in the circumferential direction, and the outer side wall of the knob is provided with a guide groove in sliding fit with the guide blocks.

Further, the preceding lateral wall of box body is equipped with the lug, be equipped with the upper end opening on the lug and with the locked groove that the external diameter of mounting groove suited, the fore-stock is located on the preceding lateral wall of locked groove.

Further, the loop structure groove includes the curved groove, with the curved groove communicates with each other and forms the V-arrangement groove of stair structure, and with the V-arrangement groove communicates with each other and with the curved groove is kept away from the one end in V-arrangement groove forms the straight flute of stair structure, the straight flute with the curved groove is close to the one end in V-arrangement groove is parallel.

Furthermore, an elastic gland is arranged on the mounting block, and the pull rod is located between the elastic gland and the mounting block.

Furthermore, protective soft pads are bonded at four corners of the box body and the box cover.

During the use, when needs carry out the unblock to the box body and the lid of stationery box, when opening the lid on the box body, press the knob, make the portion of bending of pull rod and the screens structure unblock in return circuit structure groove, the knob pops out under first elastic component reset action, protrusion in the sleeve, it is rotatory to be convenient for the stationery box user to hold the knob, the knob drives the sleeve and rotates, the sleeve drives the direction that the mounting hole was kept away from to articulated axial and removes, drive the activity tongue retract in the mounting groove with the fore shaft unblock on the box body front side inner wall, can mention the front side of the lid of stationery box through the pulling knob, open the stationery box. When the box body and the box cover of the writing case need to be locked, the front side of the box cover of the writing case is pressed downwards, the rotary knob drives the sleeve to rotate, the sleeve drives the hinged shaft to move in the direction close to the mounting hole, and the movable tongue extends out of the mounting hole and is clamped with the locking notch on the box body to lock the box body and the box cover of the writing case. And pressing the knob again to enable the knob to move in the sleeve until the knob retracts into the sleeve, moving the pull rod along the loop structure groove until the pull rod is clamped with the clamping structure, and hiding the knob at the moment.

Adopt the utility model discloses, knob, sleeve and activity tongue all set up in the mounting groove of stationery box front side, and through the cooperation of return circuit structure groove and pull rod, make the knob can enough hide in the sleeve, also can pop out the sleeve. When the writing case needs to be locked, the knob is hidden in the sleeve, and the sleeve is arranged in the mounting groove, so that the situation that a writing case user carries out misoperation on the knob, or when the writing case contacts other objects, the other objects drive the knob to rotate to unlock the case body and the case cover of the writing case, and various types of stationery in the writing case fall off is avoided. And at the moment, the locking mechanism is arranged in the writing case, the whole exterior of the writing case is smooth, and external raised parts are reduced.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged detail view of A in FIG. 1;

FIG. 3 is an enlarged detail view of B in FIG. 1;

fig. 4 is a schematic structural diagram of the loop structural groove of the present invention.

In the drawings: 100-box body, 101-locking opening, 102-lug, 1021-locking groove, 200-box cover, 201-mounting groove, 2011-mounting hole, 2012-spring guide column, 2013-spring, 2014-arc limiting groove, 202-sleeve, 2021-pull rod, 2022-arc bulge, 2023-guide block, 203-knob, 2031-guide groove, 204-first elastic piece, 300-mounting block, 301-bent groove, 302-V groove, 303-straight groove, 304-elastic gland, 400-articulated shaft, 401-connecting rod and 402-movable tongue.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides a writing case with a hidden lock structure, which comprises a case body 100 and a case cover 200 hinged to the case body 100 at the rear side, wherein the case body 100 is hinged to the case cover 200 so that the case cover 200 can rotate relative to the case body 100 to open or close the case body 100, thereby facilitating various kinds of stationery to be taken and put. Furthermore, protective cushions are adhered to four corners of the case body 100 and the case cover 200, so that the writing case can be further protected, and the probability that the writing case is deformed or damaged after being impacted is reduced. Preferably, a detachable interlayer is arranged at the middle upper part of the box body 100, and a plurality of pen clips and pen caps corresponding to the pen clips are arranged on the interlayer. At the moment, the writing pen can be conveniently fixed, the interior of the writing case is partitioned, and the writing is convenient to store.

Lid 200 and box body 100 are last still to be equipped with locking mechanical system, and specifically, the front side of lid 200 is equipped with to box body 100 direction sunken mounting groove 201, the internal rotation of mounting groove 201 is equipped with upper end open-ended sleeve 202. Preferably, a bearing is arranged between the inner wall of the mounting groove 201 and the outer wall of the sleeve 202, the outer ring of the bearing is fixed with the inner wall of the mounting groove 201, and the inner ring is fixed with the outer wall of the sleeve 202, so that the rotating friction force between the sleeve 202 and the mounting groove 201 can be reduced, and the satisfaction degree of a writing case user can be improved. Further, be equipped with vertical arc spacing groove 2014 on the inside wall of mounting groove 201, the symmetry be equipped with on the lateral wall of sleeve 202 two sets of with arc spacing groove 2014 complex arc arch 2022. When the knob 203 drives the sleeve 202 to rotate, the arc-shaped protrusion 2022 is rotated to the position of the arc-shaped limiting groove 2014, and the clamping is occurred, so as to remind a user of the writing case of the rotation angle of the sleeve 202 at the moment, and when the knob 203 is continuously used and strongly rotated, the arc-shaped protrusion 2022 is separated from the arc-shaped limiting groove 2014 to continuously drive the sleeve 202 to rotate. It is noted that when the arc-shaped protrusion 2022 and the arc-shaped limiting groove 2014 are engaged and snapped, the movable tongue 402 should just retract into the mounting groove 201, and at this time, the user of the writing case can open the cover of the writing case. Preferably, the arc-shaped protrusion 2022 is made of an elastic material, and at this time, the arc-shaped protrusion 2022 can deform to prevent the arc-shaped protrusion 2022 from restricting the rotation of the sleeve 202.

A knob 203 which slides along the central axis direction of the sleeve 202 and has an opening at the lower end is arranged in the sleeve 202, and at the moment, when the knob 203 is pressed, the knob 203 can slide into the sleeve 202 until hidden. Further, the inner side wall of the sleeve 202 is circumferentially and uniformly provided with guide blocks 2023, and the outer side wall of the knob 203 is provided with a guide groove 2031 in sliding fit with the guide blocks 2023. At this time, the guide block 2023 is engaged with the guide groove 2031, which not only can limit the sliding direction of the knob 203, but also can prevent the rotation between the rotating part and the sleeve 202, so as to avoid the situation that the knob 203 rotates relative to the sleeve 202 and the sleeve 202 is stationary relative to the mounting groove 201 when the knob 203 is rotated.

A first elastic element 204 is fixed inside the knob 203, the other end of the first elastic element 204 extends out of the knob 203 and is fixed with the bottom of the sleeve 202, at the moment, when the knob 203 is pressed, the first elastic element 204 is compressed, and when the knob 203 is loosened, the arrangement of the first elastic element 204 can enable the knob 203 to reset and protrude out of the sleeve 202, so that a writing case user can conveniently rotate the knob 203.

The bottom of the sleeve 202 is fixed with a pull rod 2021 extending towards the direction of the knob 203, the knob 203 is internally fixed with a mounting block 300, the mounting block 300 is provided with a loop structure groove, the loop structure groove is provided with a plurality of anti-return steps, the rod part of the pull rod 2021 is positioned in the loop structure groove and is close to the bending end at one end of the knob 203 to move along the loop structure groove, the loop structure groove comprises a clamping structure clamped with the bending end, at the moment, the pull rod 2021 is matched with the loop structure groove, the anti-return steps perform anti-return movement on the bending end of the pull rod 2021, so that the bending end of the pull rod 2021 can move along the loop structure groove under the action of external force, and the clamping structure is used for clamping the pull rod 2021, so that the knob 203 can be kept in a state retracted into the sleeve 202.

Specifically, the loop structure groove includes a curved groove 301, and a V-shaped groove 302 communicating with the curved groove 301 and forming a step structure, where the clamping structure is the V-shaped groove 302. And a straight groove 303 which is communicated with the V-shaped groove 302 and forms a step structure with one end of the curved groove 301 far away from the V-shaped groove 302, wherein the straight groove 303 is parallel to one end of the curved groove 301 near the V-shaped groove 302. At this time, when the user presses the knob 203, the mounting block 300 moves downward along with the knob 203, the first elastic element 204 is compressed, the bent end of the pull rod 2021 moves from the bottom end of the bent groove 301 to the direction of the V-shaped groove 302 until entering the V-shaped groove 302, the bent end is clamped by the V-shaped groove 302, and the knob 203 retracts into the sleeve 202 and is hidden; when the user presses the knob 203 again, the V-shaped groove 302 at the bent end of the pull rod 2021 moves toward the straight groove 303, and the knob 203 is pushed out upward by the return of the first elastic member 204, so that the knob 203 is ejected out of the sleeve 202. Further, an elastic pressing cover 304 is disposed on the mounting block 300, and the pull rod 2021 is located between the elastic pressing cover 304 and the mounting block 300. At this time, the elastic gland 304 can make the pull rod 2021 in the loop structure groove, so as to prevent the pull rod 2021 from separating from the loop structure groove, thereby enhancing the stability of the structure.

The bottom of sleeve 202 is equipped with eccentric articulated shaft 400, articulated on the articulated shaft 400 have connecting rod 401, connecting rod 401's the other end is articulated with activity tongue 402, activity tongue 402 slides and locates in the mounting hole 2011 on the mounting groove 201 lateral wall, be equipped with on the front side inner wall of box body 100 with the fore shaft 101 of activity tongue 402 joint, during rotatory knob 203 this moment, knob 203 drives sleeve 202 and rotates, because articulated shaft 400 is articulated with connecting rod 401, connecting rod 401 is articulated with activity tongue 402, drives articulated shaft 400 and is circumferential direction along the axis of sleeve 202 when sleeve 202 rotates, connecting rod 401 drives activity tongue 402 and slides in mounting hole 2011, when articulated shaft 400 removes to the direction of keeping away from mounting hole 2011, activity tongue 402 retracts in mounting groove 201, when 400 removes to the direction that is close to the mounting hole, activity tongue 402 stretches out mounting groove 201 and is located the fore shaft 101 block on the front side inner wall of box body 2011 of box body 100, locks the box body 100 and lid 200 of stationery box. Further, the bottom of mounting groove 201 is kept away from be equipped with spring guide post 2012 on the lateral wall of one side of mounting hole 2011, preferably, spring guide post 2012 sets to the telescopic link, and the one end and the mounting groove 201 of guide post 2012 are fixed, and the other end is fixed near the one end of articulated shaft 400 with activity tongue 402, the cover is equipped with spring 2013 on spring guide post 2012, the one end of spring 2013 with the inner wall of mounting groove 201 is fixed, the other end with activity tongue 402 is fixed. At this time, when the knob 203 is twisted to retract the movable tongue 402 into the mounting groove 201, the spring 2013 is compressed, the spring guide post 2012 is shortened, and after the knob 203 is loosened, the movable tongue 402 is ejected out of the mounting hole 2011 under the reset action of the spring 2013, so that the box body 100 and the box cover 200 of the writing case can be automatically locked.

The front side wall of the box body 100 is provided with a projection 102, the projection 102 is provided with a locking groove 1021 with an opening at the upper end and adapted to the outer diameter of the mounting groove 201, and the locking notch 101 is arranged on the front side wall of the locking groove 1021. At this time, the locking notch 101 corresponds to the movable tongue 402, and when the cover body is closed, the mounting groove 201 is inserted into the locking groove 1021, and the movable tongue 402 is automatically inserted into the locking notch 101, thereby automatically locking the cover 200 and the case body 100 of the writing case.

When the writing case is used, when the case body 100 and the case cover 200 of the writing case need to be unlocked, and the case cover 200 on the case body 100 is opened, the knob 203 is pressed, so that the bent part of the pull rod 2021 is unlocked with the V-shaped groove 302 of the loop structure groove, the knob 203 pops out under the reset action of the first elastic piece 204 and protrudes out of the sleeve 202, a writing case user can hold the knob 203 to rotate conveniently, the knob 203 drives the sleeve 202 to rotate, the sleeve 202 drives the hinge shaft 400 to move towards the direction far away from the mounting hole 2011, when the rotation is blocked, the movable tongue 402 retracts into the mounting groove 201 and is unlocked with the locking notch 101 on the inner wall of the front side of the case body 100, the spring 2013 is compressed, the front side of the case cover 200 of the writing case can be lifted by pulling the knob 203, and the writing case is opened. When the case body 100 and the case cover 200 of the writing case need to be locked, the front side of the case cover 200 of the writing case is pressed downwards, the movable tongue 402 is automatically clamped with the locking notch 101 under the action of the spring 2013, and the case body 100 and the case cover 200 of the writing case are locked. The knob 203 is pressed again, so that the knob 203 moves into the sleeve 202 until the knob is retracted into the sleeve 202, and the pull rod 2021 moves along the loop structure groove until the V-shaped groove 302 is clamped, at which time the knob 203 is hidden.

Adopt the utility model discloses, knob 203, sleeve 202 and activity tongue 402 all set up in the mounting groove 201 of stationery box front side, and through return circuit structure groove and pull rod 2021's cooperation, make knob 203 can enough hide in sleeve 202, also can pop out sleeve 202. When the writing case needs to be locked, the knob 203 is hidden in the sleeve 202, and the sleeve 202 is arranged in the mounting groove 201, so that the situation that a writing case user mistakenly operates the knob 203 or when the writing case contacts other objects, the knob is driven by other objects to rotate so as to unlock the case body 100 and the case cover 200 of the writing case, and various types of stationery in the writing case are scattered is avoided. And at the moment, the locking mechanism is arranged in the writing case, the whole exterior of the writing case is flat, and external convex parts are reduced, when the writing case is placed in the schoolbag, the writing case can not only reduce the impact of the writing case on other articles in the schoolbag along with the walking of a person, but also prevent other articles in the schoolbag from impacting the hidden locking mechanism, and the probability of damage to the locking mechanism when the writing case is collided with other articles is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The writing case with the hidden lock structure is characterized by comprising a case body (100) and a case cover (200) hinged to the case body (100) at the rear side, wherein a mounting groove (201) recessed towards the direction of the case body (100) is formed in the front side of the case cover (200), a sleeve (202) with an upper end opened is rotationally arranged in the mounting groove (201), a knob (203) which slides along the direction of a central axis of the sleeve (202) and is provided with a lower end opened is arranged in the sleeve (202), a first elastic piece (204) is fixed inside the knob (203), the other end of the first elastic piece (204) extends out of the knob (203) and is fixed with the bottom of the sleeve (202),

a pull rod (2021) extending towards the direction of the knob (203) is fixed at the bottom of the sleeve (202),

the knob (203) is internally fixed with an installation block (300), the installation block (300) is provided with a loop structure groove, the loop structure groove is provided with a plurality of anti-retreat steps, the rod part of the pull rod (2021) is positioned in the loop structure groove, the bending end close to one end of the knob (203) moves along the loop structure groove, the loop structure groove comprises a clamping structure clamped with the bending end,

the bottom of the sleeve (202) is provided with an eccentric articulated shaft (400), the articulated shaft (400) is articulated with a connecting rod (401), the other end of the connecting rod (401) is articulated with a movable tongue (402), the movable tongue (402) is arranged in an installation hole (2011) on the side wall of the installation groove (201) in a sliding way,

the front inner wall of the box body (100) is provided with a locking notch (101) which is connected with the movable tongue (402) in a clamping manner.

2. The writing case with the hidden lock structure as claimed in claim 1, wherein a spring guide post (2012) is disposed on a side wall of the bottom of the mounting groove (201) away from the mounting hole (2011), a spring (2013) is sleeved on the spring guide post (2012), one end of the spring (2013) is fixed to the inner wall of the mounting groove (201), and the other end of the spring is fixed to the movable tongue (402).

3. The writing case with the hidden lock structure as claimed in claim 1, wherein the inside wall of the mounting groove (201) is provided with a vertical arc-shaped limiting groove (2014), and the outside wall of the sleeve (202) is symmetrically provided with two sets of arc-shaped protrusions (2022) matched with the arc-shaped limiting groove (2014).

4. The writing case with a hidden lock structure as claimed in claim 1, wherein the sleeve (202) has guide blocks (2023) uniformly arranged on the inner side wall in the circumferential direction, and the knob (203) has a guide groove (2031) on the outer side wall for sliding fit with the guide blocks (2023).

5. The writing case with a hidden lock structure as claimed in claim 1, wherein the front side wall of the case body (100) is provided with a protrusion (102), the protrusion (102) is provided with a lock groove (1021) having an upper end opening and adapted to the outer diameter of the mounting groove (201), and the lock opening (101) is provided on the front side wall of the lock groove (1021).

6. The writing case with a hidden lock structure as claimed in claim 1, wherein the loop structure groove comprises a curved groove (301), a V-shaped groove (302) communicating with the curved groove (301) and forming a step structure, and a straight groove (303) communicating with the V-shaped groove (302) and forming a step structure with an end of the curved groove (301) far away from the V-shaped groove (302), the straight groove (303) being parallel with an end of the curved groove (301) near the V-shaped groove (302).

7. The writing case with a concealed lock structure according to claim 1, wherein the mounting block (300) is provided with a resilient cover (304), and the pull rod (2021) is located between the resilient cover (304) and the mounting block (300).

8. The writing case with a hidden lock structure as claimed in claim 1, wherein protective soft pads are adhered to four corners of the case body (100) and the case cover (200).