CN114869036A

CN114869036A - Stationery box

Info

Publication number: CN114869036A
Application number: CN202210500312.3A
Authority: CN
Inventors: 周仙宜
Original assignee: Zhongshan Lianzhong Stationery Co ltd
Current assignee: Zhongshan Lianzhong Stationery Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-09
Anticipated expiration: 2042-05-07
Also published as: CN114869036B

Abstract

The invention discloses a writing case, which comprises: bottom shell, upper cover, slip structure and sliding connection structure. The bottom shell is provided with a stationery containing cavity with an upward opening, the upper cover is arranged on the upper side of the bottom shell and used for sealing the opening of the stationery containing cavity, the sliding and rotating structure is connected with the rear side of the bottom shell and the rear side of the upper cover, the sliding and connecting structure is connected with the front side of the bottom shell and the front side of the upper cover, and the upper cover can slide left and right relative to the bottom shell through the sliding and rotating structure and the sliding and connecting structure so as to open at least part of the stationery containing cavity; the sliding connection structure is a detachable connection structure, so that the front side of the bottom shell and the front side of the upper cover can be mutually detached, and after the front side of the bottom shell and the front side of the upper cover are mutually detached, the upper cover can be turned over through the sliding structure relative to the bottom shell. According to the writing case, the upper cover can be turned over and can be opened partially in a sliding manner, the functions are rich, and the use is convenient.

Description

Stationery box

Technical Field

The invention relates to the field of stationery, in particular to a stationery case.

Background

In the existing writing case, the upper cover is generally turned over relative to the bottom shell in a rotating mode, so that the writing is convenient to arrange. After the upper cover of the writing case is opened, the writing materials in the writing case are all exposed, and for some outdoor occasions, such as outdoor sketching, the environment is complex, and fixed desktops are not available for carrying out operation. In addition, under the normal condition, the use frequency of part of stationery in the writing case is higher, and the whole upper cover needs to be repeatedly opened when the stationery is taken and placed each time, so that the use is not convenient enough.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the writing case provided by the invention has the advantages that the upper cover can be turned over and can also be slid to be partially opened, the functions are rich, and the use is convenient.

A writing case according to an embodiment of the present invention includes: the bottom shell is provided with a stationery accommodating cavity with an upward opening; the upper cover is arranged on the upper side of the bottom shell and is used for sealing the opening of the stationery accommodating cavity; the sliding structure is connected with the rear side of the bottom shell and the rear side of the upper cover; a sliding connection structure connecting a front side of the bottom case and a front side of the upper cover; the upper cover can slide left and right relative to the bottom shell through the sliding structure and the sliding connection structure, so that at least part of the stationery accommodating cavity can be opened; the sliding connection structure is a detachable connection structure, so that the front side of the bottom shell and the front side of the upper cover can be mutually detached, and after the front side of the bottom shell and the front side of the upper cover are mutually detached, the upper cover can be turned over relative to the bottom shell through the sliding structure.

The writing case provided by the embodiment of the invention at least has the following beneficial effects: when part of the stationery needs to be taken, the upper cover can slide relative to the bottom shell, so that the stationery accommodating cavity is partially opened to take and place the stationery, the whole upper cover is prevented from being opened, the possibility that a large amount of stationery in the box falls off accidentally is reduced, and the stationery which is used at high frequency is taken and placed conveniently. Through the partition the front side of drain pan with the front side of upper cover can make the upper cover rotate and open to conveniently arrange stationery. The stationery box has the advantages that the upper cover can be opened through rotation relative to the bottom shell and can also be opened through sliding relative to the bottom shell, the stationery accommodating cavity can be opened through sliding relative to the bottom shell, the stationery box has the advantages of two opening modes, the functions are rich, and the practicability is high.

According to some embodiments of the present invention, the sliding structure includes a rear slide rail and a rotating connection portion, one of the rear slide rail and the rotating connection portion is disposed at the rear side of the upper cover, the other one of the rear slide rail and the rotating connection portion is disposed at the rear side of the bottom case, the rear slide rail extends in the left-right direction, and the rotating connection portion is movably connected to the rear slide rail, can relatively move along the rear slide rail, and can relatively rotate with the rear slide rail as a pivot; the sliding connection structure comprises a front sliding rail and a sliding connection part, wherein one of the front sliding rail and the sliding connection part is arranged on the front side of the bottom shell, the other one of the front sliding rail and the sliding connection part is arranged on the front side of the upper cover, the front sliding rail extends along the left and right direction, the sliding connection part is movably connected with the front sliding rail and can move relative to the front sliding rail, and the sliding connection part is detachably connected with the front sliding rail.

According to some embodiments of the present invention, the rotation connecting portion is provided with a sliding hole portion extending in a left-right direction, and the rear rail is a cylindrical body and is relatively movably inserted into the sliding hole portion.

According to some embodiments of the present invention, the sliding connection portion is configured with an elastic buckle, one end of the elastic buckle is a connection end, the other end of the elastic buckle is provided with a buckle portion and is in buckle connection with the front slide rail, the buckle portion is provided with a sliding groove portion adapted to the front slide rail, the sliding groove portion extends in a left-right direction, and the front slide rail is a cylinder and is in relatively sliding fit with the sliding groove portion.

According to some embodiments of the present invention, the rotation connecting portion is disposed at a middle portion of a rear side of the bottom case, the sliding connecting portions are disposed at the upper cover and at least two sliding connecting portions are disposed, and the sliding connecting portions are arranged in a left-right direction.

According to some embodiments of the present invention, a stationery fixing portion for detachably fixing stationery is disposed on an inner side of the upper cover, and the stationery fixed to the stationery fixing portion can be exposed to the bottom case after the upper cover is slid and opened with respect to the bottom case.

According to some embodiments of the present invention, the stationery fixing portion is configured to fix a holder of a pen in a left-right direction, the bottom case and/or the upper cover is provided with a relief notch on a side surface in the left-right direction, the pen fixed to the stationery fixing portion can enter and exit the bottom case through the relief notch, and the pen fixed to the stationery fixing portion can be separated from the stationery fixing portion in the left-right direction.

According to some embodiments of the invention, the stationery fixing part comprises clamp elastic pieces which are arranged in pairs, one ends of the clamp elastic pieces are connected to the inner side of the upper cover, the clamp elastic pieces are arranged oppositely in pairs and enclose to form a pen holder clamping position, openings are formed in the left side and the right side of the pen holder clamping position, the other ends of the clamp elastic pieces are free ends, and a pen holder clamping opening communicated with the pen holder clamping position is formed between the free ends of the clamp elastic pieces in pairs.

According to some embodiments of the present invention, the stationery fixing portions are provided in a plurality of sets, at least two of the stationery fixing portions are provided in each set in a left-right direction, and the stationery fixing portions of each set are provided side by side.

According to some embodiments of the invention, a partition board extending along the front-back direction is arranged in the stationery accommodating cavity, the partition board divides the stationery accommodating cavity into a pen cavity and an eraser accommodating cavity which are arranged side by side from left to right, and the abdicating gap is communicated with one side of the pen cavity far away from the eraser accommodating cavity.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a second perspective view of the embodiment of the present invention;

FIG. 3 is a cross-sectional view taken in the direction K-K of the structure shown in FIG. 1;

FIG. 4 is a schematic perspective view of the upper cover of the embodiment of the present invention after sliding open relative to the bottom case;

FIG. 5 is a perspective view of the upper lid rotated and opened relative to the bottom case according to the embodiment of the present invention;

FIG. 6 is an enlarged schematic view taken at A of FIG. 1;

FIG. 7 is an enlarged view of FIG. 3 at C;

FIG. 8 is an enlarged view of the point B in FIG. 2;

FIG. 9 is an enlarged schematic view of FIG. 3 at D;

FIG. 10 is an exploded view of an embodiment of the present invention;

FIG. 11 is an enlarged view at E of FIG. 10;

FIG. 12 is a schematic perspective view of another embodiment of the present invention;

FIG. 13 is a perspective view of the embodiment of FIG. 12 with the cover rotated open;

fig. 14 is a perspective view of the stationery fixing portion shown in fig. 13 with a pencil fixed thereon;

FIG. 15 is one of the schematic perspective views of the embodiment of FIG. 12 after sliding the cover open;

FIG. 16 is a second perspective view of the embodiment of FIG. 12 with the cover slid open;

fig. 17 is an enlarged schematic view of fig. 13 at F.

Reference numerals:

the pen container comprises a bottom shell 100, a bottom shell body 101, an insertion hole 1011, a bayonet 1012, a connecting piece 102, a buckle 1021, a stationery accommodating cavity 110, a pen cavity 111, an eraser accommodating cavity 112 and a partition plate 120;

an upper cover 200, a relief opening 210;

a sliding structure 300, a rear slide rail 310, a rotary connecting part 320, a sliding hole part 321;

a sliding connection structure 400, a front slide rail 410, a sliding connection part 420, a chute part 421;

a stationery fixing part 500, a hoop elastic sheet 510, a pen holder clamping position 520 and a pen holder clamping opening 530;

yield notch 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a writing case includes: bottom shell 100, upper cover 200, sliding structure 300 and sliding connection structure 400. The bottom shell 100 is provided with a stationery accommodating cavity 110 with an upward opening, the upper cover 200 is arranged on the upper side of the bottom shell 100 and used for covering the opening of the stationery accommodating cavity 110, the sliding structure 300 is connected with the rear side of the bottom shell 100 and the rear side of the upper cover 200, the sliding connection structure 400 is connected with the front side of the bottom shell 100 and the front side of the upper cover 200, and the upper cover 200 can slide left and right relative to the bottom shell 100 through the sliding structure 300 and the sliding connection structure 400 so as to enable at least part of the stationery accommodating cavity 110 to be opened; the sliding connection structure 400 is a detachable connection structure, so that the front side of the bottom case 100 and the front side of the upper cover 200 can be detached from each other, and after the front side of the bottom case 100 and the front side of the upper cover 200 are detached from each other, the upper cover 200 can be rotated and flipped open relative to the bottom case 100 by the sliding structure 300. It is understood that at least a portion of the stationery receiving cavity 110 is open, meaning that the opening of the stationery receiving cavity 110 is at least partially exposed.

Referring to fig. 4 and 5, when a portion of the stationery needs to be taken out, the upper cover 200 can slide relative to the bottom case 100, so that the stationery accommodating cavity 110 is partially opened to take out and place the stationery, the entire upper cover 200 is prevented from being opened, the possibility that a large amount of stationery accidentally falls off from the box is reduced, and the stationery is taken out and placed conveniently when being used at a high frequency. By separating the front side of the bottom case 100 and the front side of the upper cover 200, the upper cover 200 can be rotated to be opened, thereby facilitating the arrangement of stationery. According to the writing case, the sliding structure 300 and the sliding connection structure 400 are ingeniously arranged, so that the upper cover 200 can be opened in a rotating mode relative to the bottom case 100, and the writing case accommodating cavity 110 can also be opened partially relative to the bottom case 100 in a sliding mode.

Referring to fig. 6 to 7, the sliding structure 300 includes a rear slide rail 310 and a rotation connection portion 320, the rear slide rail 310 is disposed at the rear side of the upper cover 200, the rotation connection portion 320 is disposed at the rear side of the bottom case 100, the rear slide rail 310 extends in the left-right direction, and the rotation connection portion 320 is movably connected to the rear slide rail 310 and can move along the rear slide rail 310 and can rotate relative to the rear slide rail 310 as a pivot. It is conceivable that the rear rail 310 may be provided at the rear side of the bottom chassis 100 and the rotation connecting part 320 may be provided at the rear side of the upper cover 200.

Referring to fig. 8 and 9, the sliding connection structure 400 includes a front slide rail 410 and a sliding connection portion 420, the front slide rail 410 is disposed on the front side of the bottom case 100, the sliding connection portion 420 is disposed on the front side of the upper cover 200, the front slide rail 410 extends in the left-right direction, the sliding connection portion 420 is movably connected to the front slide rail 410 and can move relatively along the front slide rail 410, and the sliding connection portion 420 is detachably connected to the front slide rail 410. It is conceivable that the front slide rail 410 is provided at the front side of the upper cover 200 and the slide coupling part 420 is provided at the front side of the bottom cover 100.

With the above structure, the upper cover 200 can slide left and right relative to the bottom case 100 by the cooperation of the rotation connection portion 320 and the rear slide rail 310, and the sliding connection portion 420 and the front slide rail 410, and when the sliding connection portion 420 and the front slide rail 410 are detached, the front side of the upper cover 200 is disconnected from the front side of the bottom case 100, so that the upper cover 200 can be rotated to open. The structure for realizing the sliding and rotating opening of the upper cover 200 has the advantages of ingenious design, simple structure and easy implementation. It is also envisioned that the slip-on structure 300 and the slip-on structure 400 are not limited to the above-described embodiments: the sliding structure 300 includes a pivot member and a sliding member, the pivot member is pivoted to the rear side of the bottom case 100, the sliding member is slidably disposed on the pivot member, and the upper cover 200 is disposed on the sliding member, thereby implementing a structure of the upper cover 200 that can slide and rotate; the sliding connection structure 400 includes a slider slidably connected to the bottom chassis 100, and the slider is detachably disposed, so that the sliding of the upper cover 200 with respect to the bottom chassis 100 can be achieved, and after the slider is detached, the separation of the front side of the upper cover 200 and the front side of the bottom chassis 100 is achieved.

In an embodiment, specifically, the rotation connection portion 320 is provided with a sliding hole portion 321, the sliding hole portion 321 extends in a left-right direction, and the rear slide rail 310 is a column and is movably inserted into the sliding hole portion 321. By adopting the structure, the functions of rotation and relative sliding between the rotation connecting part 320 and the rear sliding rail 310 can be realized, and the structure is simple and easy to implement. It is conceivable that the rear slide rail 310 may be configured as a slide rail groove, and the rotation connecting portion 320 may be a pivot shaft, and the pivot shaft is rotatably and slidably disposed in the slide rail groove.

In an embodiment, specifically, the sliding connection portion 420 is configured with an elastic buckle, one end of the elastic buckle is a connection end, the other end of the elastic buckle is provided with a buckle portion and is in buckle connection with the front sliding rail 410, the buckle portion is provided with a sliding groove portion 421 adapted to the front sliding rail 410, the sliding groove portion 421 extends in the left-right direction, and the front sliding rail 410 is a cylinder and is in relatively sliding fit with the sliding groove portion 421. When the sliding connection portion 420 and the front slide rail 410 need to be disassembled, the elastic buckle can be directly broken by an external force, so that the sliding groove portion 421 is separated from the front slide rail 410. The sliding connection part 420 and the front sliding rail 410 can slide relatively and can be detached from each other by adopting the structure, and the structure is simple and easy to implement. It is conceivable that the front slide rail 410 may be provided as a slide rail groove and the slide coupling portion 420 may be provided as a shaft portion that fits the slide rail groove, while the shaft portion may be made detachable, thereby also achieving the above-described functions.

In an embodiment, specifically, the rotation connection portion 320 is disposed in the middle of the rear side of the bottom case 100, at least two sliding connection portions 420 are disposed in the upper cover 200, and the sliding connection portions 420 are arranged in the left-right direction. With the above structure, the connection between the upper cover 200 and the bottom case 100 is stable, and the relative movement is stable.

Referring to fig. 10 and 11, the bottom case 100 specifically includes a bottom case body 101 and a connecting member 102, the stationery accommodating cavity 110 is disposed on the bottom case body 101, the connecting member 102 is detachably connected to the bottom case 100, and the rotating connecting portion 320 is disposed on the connecting member 102. The connecting member 102 is particularly snap-coupled to the bottom case 100. Specifically, connecting piece 102 is provided with buckle 1021, and bottom shell body 101 is provided with jack 1011, and the pore wall of jack 1011 is provided with bayonet socket 1012, and buckle 1021 of connecting piece 102 is inserted and is located jack 1011, and buckle 1021's buckle body joint is in bayonet socket 1012, and the pore wall of jack 1011 sets up spacing connecting piece 102 further down male stopper to realize that connecting piece 102 is connected with the buckle of bottom shell body 101. It is understood that the bottom housing 101 and the connecting member 102 may be integrally formed.

In the embodiment, the front slide rail 410 and the rear slide rail 310 are specifically cylinders, and move smoothly when forming an active connection with the corresponding structure, and certainly, the front slide rail 410 and the rear slide rail 310 may also be prisms, which is not limited to this. In the embodiment, the front slide rail 410 and the bottom housing body 101 are integrally formed, and the rear slide rail 310 and the sliding connection part 420 and the upper cover 200 are integrally formed.

In an embodiment, in order to avoid interference with the rotation connection portion 320 when the upper cover 200 is rotated to be opened, the allowance opening 210 may be further formed in the upper cover 200 to reduce the possibility of interference.

Referring to fig. 12 to 16, a stationery fixing portion 500 for detachably fixing stationery is provided inside the upper cover 200, and after the upper cover 200 is slid and opened with respect to the base 100, the stationery fixed to the stationery fixing portion 500 can be exposed with respect to the base 100. Specifically, the stationery fixed to the stationery fixing portion 500 shown in the drawings is a pencil, and of course, the stationery fixing portion 500 for mounting other types of stationery may be provided as needed. With the above structure, the stationery can be exposed after the upper cover 200 slides and opens relative to the bottom case 100, so that the stationery can be conveniently taken out. Since the stationery is detachably fixed by the stationery fixing portion 500, the stationery does not easily fall off when the upper cover 200 is slidably opened.

Specifically, the stationery fixing portion 500 is configured to fix a holder of a pen in a left-right direction, the bottom case 100 and/or the upper cover 200 is provided with a relief notch 600 on a side surface in the left-right direction, the pen fixed to the stationery fixing portion 500 can enter and exit the bottom case 100 through the relief notch 600, and the pen fixed to the stationery fixing portion 500 can be separated from the stationery fixing portion 500 in the left-right direction. When the upper cover 200 is opened by sliding, the exposed pen holder can be held and pulled out laterally, and the use is convenient. The position of the abdicating notch 600 is determined according to the position of the pen, and may be only disposed on the upper cover 200 or the bottom case 100, or may be disposed on both the upper cover 200 and the bottom case 100.

Referring to fig. 17, in detail, the stationery fixing portion 500 includes hoop elastic pieces 510 arranged in pairs, one end of the hoop elastic pieces 510 is connected to the inner side of the upper cover 200, the hoop elastic pieces 510 arranged in pairs are opposite to each other and enclose a pen holder clamping position 520, openings are formed in the left and right sides of the pen holder clamping position 520, the other end of the hoop elastic pieces 510 is a free end, and a pen holder clamping opening 530 communicated with the pen holder clamping position 520 is formed between the free ends of the hoop elastic pieces 510 in pairs. When a pen needs to be fixed to the stationery fixing portion 500, the upper cover 200 may be turned over, and the pen shaft of the pen may be inserted into the pen shaft holding position 520 through the pen shaft engaging opening 530.

In the embodiment, the stationery fixing portions 500 are provided in a plurality of sets, at least two stationery fixing portions 500 are provided in each set along the left-right direction, and the stationery fixing portions 500 are provided in parallel, so that a plurality of pens can be fixed, and each pen is fixed more stably. In an embodiment, the yielding notch 600 is an opening corresponding to the pens, and of course, the yielding notch 600 may be an opening capable of yielding a plurality of pens at the same time.

In the embodiment, the stationery accommodating cavity 110 is provided with a partition 120 extending along the front-back direction, the partition 120 divides the stationery accommodating cavity 110 into a pen cavity 111 and an eraser accommodating cavity 112 which are arranged side by side left and right, and the abdicating notch 600 is communicated with one side of the pen cavity 111 far away from the eraser accommodating cavity 112. With the above structure, after the upper cover 200 is slid open, the eraser accommodated in the eraser accommodating cavity 112 can be exposed after the pen is exposed, so that the eraser can be conveniently taken while the pen is taken.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A writing case, comprising:

a bottom shell (100) provided with a stationery accommodating cavity (110) with an upward opening;

an upper cover (200) disposed on an upper side of the bottom case (100) and for covering the opening of the stationery accommodating chamber (110);

a sliding structure (300) connecting a rear side of the bottom case (100) and a rear side of the upper cover (200);

a sliding coupling structure (400) coupling a front side of the bottom case (100) and a front side of the upper cover (200);

the upper cover (200) can slide left and right relative to the bottom shell (100) through the sliding structure (300) and the sliding connection structure (400), so that at least part of the stationery accommodating cavity (110) can be opened; the sliding connection structure (400) is a detachable connection structure, so that the front side of the bottom case (100) and the front side of the upper cover (200) can be detached from each other, and after the front side of the bottom case (100) and the front side of the upper cover (200) are detached from each other, the upper cover (200) can be turned over relative to the bottom case (100) through the sliding connection structure (300).

2. The writing case as set forth in claim 1, wherein:

the sliding structure (300) comprises a rear slide rail (310) and a rotating connecting part (320), one of the rear slide rail (310) and the rotating connecting part (320) is arranged at the rear side of the upper cover (200), the other one of the rear slide rail (310) and the rotating connecting part (320) is arranged at the rear side of the bottom shell (100), the rear slide rail (310) extends along the left-right direction, and the rotating connecting part (320) is movably connected with the rear slide rail (310), can relatively move along the rear slide rail (310) and can relatively rotate by taking the rear slide rail (310) as a pivot;

sliding connection structure (400) include preceding slide rail (410) and sliding connection portion (420), preceding slide rail (410) with one of sliding connection portion (420) set up in the front side of drain pan (100), another set up in the front side of upper cover (200), preceding slide rail (410) extend along left right direction and set up, sliding connection portion (420) with preceding slide rail (410) swing joint can be followed preceding slide rail (410) relative movement, sliding connection portion (420) with the connection of preceding slide rail (410) is detachable connection.

3. A writing case as defined in claim 2, wherein: the rotary connecting part (320) is provided with a sliding hole part (321), the sliding hole part (321) extends along the left and right direction, and the rear sliding rail (310) is a column and can be movably arranged in the sliding hole part (321) in a penetrating way relatively.

4. A writing case as defined in claim 2, wherein: the sliding connection part (420) is provided with an elastic buckle, one end of the elastic buckle is a connection end, the other end of the elastic buckle is provided with a buckling part and is in buckling connection with the front sliding rail (410), the buckling part is provided with a sliding groove part (421) matched with the front sliding rail (410), the sliding groove part (421) extends along the left and right direction, and the front sliding rail (410) is a cylinder and is matched with the sliding groove part (421) in a relatively sliding mode.

5. A writing case as defined in claim 2, wherein: the rotating connecting parts (320) are arranged in the middle of the rear side of the bottom case (100), the sliding connecting parts (420) are arranged on the upper cover (200) and are at least two, and the sliding connecting parts (420) are arranged along the left and right direction.

6. A writing case as defined in claim 2, wherein: the inner side of the upper cover (200) is provided with a stationery fixing part (500) for detachably fixing stationery, and after the upper cover (200) slides and opens relative to the bottom shell (100), the stationery fixed on the stationery fixing part (500) can be exposed relative to the bottom shell (100).

7. A writing case as defined in claim 6, wherein: stationery fixed part (500) configure to can follow the penholder of left right direction fixed pen, drain pan (100) and/or upper cover (200) have seted up in the ascending side of left right direction and have abdomed breach (600), are fixed in the pen of stationery fixed part (500) can pass through abdomed breach (600) business turn over drain pan (100), and be fixed in the pen of stationery fixed part (500) can be followed left right direction and deviate from stationery fixed part (500).

8. The writing case as set forth in claim 7, wherein: stationery fixed part (500) are including clamp shell fragment (510) that set up in pairs, the one end of clamp shell fragment (510) connect in the inboard of upper cover (200), in pairs clamp shell fragment (510) set up relatively and enclose and close formation pen-holder centre gripping position (520), the side has the opening about pen-holder centre gripping position (520), the other end of clamp shell fragment (510) is the free end, and is in pairs clamp shell fragment (510) be formed with between the free end with pen-holder card entry (530) of pen-holder centre gripping position (520) intercommunication.

9. The writing case as set forth in claim 8, wherein: the stationery fixing parts (500) are arranged in a plurality of groups, in each group, at least two stationery fixing parts (500) are arranged along the left-right direction, and the stationery fixing parts (500) in each group are arranged side by side.

10. The writing case as set forth in claim 7, wherein: the pen is characterized in that a partition board (120) extending in the front-back direction is arranged in the stationery accommodating cavity (110), the partition board (120) divides the stationery accommodating cavity (110) into a pen cavity (111) and an eraser accommodating cavity (112) which are arranged side by side from left to right, and the abdicating notch (600) is communicated with one side, away from the eraser accommodating cavity (112), of the pen cavity (111).