CN217902667U - Propaganda device - Google Patents

Abstract

The utility model provides a propaganda device. The propaganda device includes: the propaganda component comprises a propaganda column which is arranged in the storage box in a lifting manner, and the propaganda column has a first storage state stored in the storage box and a display state lifted above the storage box; the writing board is slidably arranged on the propaganda component and has a second storage state which slides to one side of the propaganda component. The utility model discloses the problem of recruiting propaganda device's function singleness and inconvenient accomodating among the prior art has been solved effectively.

Description

Propaganda device

Technical Field

The utility model relates to a propaganda and recruitment equipment field particularly, relates to a propaganda device.

Background

At present, the propaganda device is used for propagandizing various knowledge of a party in terms of routes, guidelines and policies, science, culture, hygiene and the like, is an important channel for residents to master popular science knowledge, and recruitment refers to recruitment and recruitment of workers and staff, and recruitment of personnel is realized through propaganda and recruitment information. The propaganda device is a commonly used propaganda mode.

However, in the prior art, the recruitment device has a single function and is inconvenient to store, which affects the user experience.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a propaganda device to solve the problems of single function and inconvenient storage of recruitment device in the prior art.

In order to achieve the above object, the utility model provides a propaganda device, include: the propaganda component comprises a propaganda column which is arranged in the storage box in a liftable manner, and the propaganda column has a first storage state stored in the storage box and a display state which is lifted to the upper part of the storage box; the writing board is slidably arranged on the propaganda component and has a second storage state which slides to one side of the propaganda component.

Further, the publicizing device also comprises: an operating structure; the transmission assembly, the publicity column passes through the transmission assembly and is connected with operation structure to drive the publicity column through operation structure and switch between first state of accomodating and the show state.

Further, the transmission assembly is one; or the number of the transmission assemblies is multiple, and the transmission assemblies are arranged at intervals along the length direction of the bulletin board.

Further, the operational structure includes: an operation part located outside the containing box; the rotating rod penetrates through the containing box, and the operating part is connected with at least one end of the rotating rod so as to drive the rotating rod to rotate relative to the containing box; the dwang is connected with drive assembly to drive the publicity column through drive assembly and carry out elevating movement.

Further, the transmission assembly includes: the gear set comprises a first gear and a second gear which are meshed with each other, an included angle is formed between a central shaft of the first gear and a central shaft of the second gear, the first gear is connected with the rotating rod, and the central shaft of the first gear and a rotating shaft of the rotating rod are coaxially arranged; the lead screw is connected with the second gear, the rotating shaft of the lead screw is coaxially arranged with the central shaft of the second gear, and at least part of the lead screw is arranged in the propaganda component in a penetrating mode and is in threaded connection with the propaganda component so as to drive the propaganda column to carry out lifting motion.

Further, the promotional component further comprises: the matching structure is connected with the publicity column and is provided with an internal threaded hole, and the lead screw penetrates through the internal threaded hole and is in threaded connection with the internal threaded hole so as to drive the publicity column to perform lifting motion; the matching structure is one, or the matching structures are multiple, and the matching structures and the transmission assemblies are arranged in a one-to-one correspondence mode.

Further, the promotional component further comprises: the mounting panel, cooperation structure and publicity column all set up on the mounting panel, are provided with first cooperation portion on the mounting panel, and the clipboard has second cooperation portion, and one in first cooperation portion and the second cooperation portion is first convex part, and another in first cooperation portion and the second cooperation portion is first concave part, and first convex part stretches into in the first concave part and can follow first concave part and slide.

Further, when the clipboard was located the second and accomodates the state, clipboard and publicity column were located the both sides of mounting panel respectively.

Furthermore, a third matching part is arranged on the inner circumferential surface of the containing box, a fourth matching part is arranged on the mounting plate, one of the third matching part and the fourth matching part is a second convex part, the other of the third matching part and the fourth matching part is a second concave part, and the second convex part extends into the second concave part and can slide along the second concave part.

Further, the promotional component further comprises: the glass plate is rotatably arranged on the propaganda column; the lock catch is rotatably arranged on the mounting plate and/or the matching structure and comprises a strip stopping portion, and the strip stopping portion is provided with a locking state which is rotated to be stopped by the glass plate and an unlocking state which is rotated to be separated from the glass plate.

Use the technical scheme of the utility model, propaganda device includes publicity column and clipboard, and publicity column setting just has the first state of accomodating and the show state that rises to the containing box top of accomodating in the containing box with the liftable ground. The writing board is slidably disposed on the promotional component and has a second storage state that slides to a side of the promotional component. Like this, when the user uses propaganda device, with the publicity column by the first state adjustment of accomodating to the show state, the user can only use the publicity column to carry out recruitment, propaganda this moment, also can use the mode that publicity column and writing board combine to carry out abundant show and replenishment to recruitment information etc. make propaganda device can increase the content temporarily according to position information, and then solved the problem that recruitment device's function is single and inconvenient to accomodate among the prior art, be convenient for the user shifts or carries propaganda device, user's use experience has been promoted.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a promotional device according to the invention in a display state;

FIG. 2 is a perspective view of the promotional device of FIG. 1 with the promotional component and writing board removed;

FIG. 3 is a schematic perspective view of the promotional device of FIG. 1 with the writing board in an expanded position; and

fig. 4 shows a schematic view of the assembled promotional component and drive component of the promotional device of fig. 1.

Wherein the figures include the following reference numerals:

1. a storage box; 2. rotating the rod; 3. a lead screw; 4. a first gear; 5. a second gear; 6. a fixed block; 7. a third mating portion; 8. a mating structure; 9. a fourth mating portion; 10. a publicity column; 11. a glass plate; 12. connecting blocks; 13. a damping ring; 14. Locking; 15. mounting a plate; 16. a writing board; 17. a second fitting portion; 18. a strut; 19. a slot; 20. a cover is turned; 21. A rotating shaft; 22. an operating structure; 23. a handle; 24. a pulley; 25. a first mating portion; 30. a promotional component; 40. and a transmission assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional terms such as "upper" and "lower" is generally with respect to the orientation shown in the drawings, or to the vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the function of recruiting the propaganda device is single and inconvenient the accomodating among the prior art, the application provides a propaganda device.

As shown in fig. 1 to 4, the advertisement device includes a storage box 1, an advertisement unit 30, and a writing board 16. The publicity assembly 30 comprises a publicity column 10, the publicity column 10 is arranged in the containing box 1 in a liftable mode, and the publicity column 10 has a first containing state contained in the containing box 1 and a display state of rising to the upper side of the containing box 1. The writing board 16 is slidably disposed on the promotional component 30, the writing board 16 having a second stored state that slides to be stored on one side of the promotional component 30.

The technical scheme of this embodiment is used, when the user uses the propaganda device, adjust the publicity column to the show state by first state of accomodating, the user can only use the publicity column to recruit this moment, the propaganda, also can use the mode that publicity column and clipboard combine to carry out abundant show and replenishment to recruitment information etc. make the propaganda device can increase the content temporarily according to position information, and then solved the problem that the function singleness and inconvenient accomodating of recruitment device among the prior art, be convenient for the user shifts or carries the propaganda device, user's use experience has been promoted.

In this embodiment, clipboard 16 can expand or accomodate, not only satisfies the user demand that the user is different, has also realized the miniaturization of propaganda device, can accomodate the function, has promoted user's use and has experienced. At the same time, the user operable tablet 16 slides relative to the promotional component 30 to freely switch between the deployed state and the second receiving means, thereby reducing the user's operational difficulty.

Optionally, one writing pad 16; alternatively, the writing board 16 may be plural, and the plural writing boards 16 may be provided at intervals along the sliding direction thereof.

In the present embodiment, the number of the writing boards 16 is two, and the two writing boards 16 are disposed opposite to each other.

As shown in fig. 1 and 4, the promotional device further includes an operating structure 22 and a drive assembly 40. Wherein, the publicity column 10 is connected with the operation structure 22 through the transmission assembly 40 so as to drive the publicity column 10 to switch between the first storage state and the display state through the operation structure 22. Thus, when the publicity column needs to be lifted, the user can operate the operation structure 22 to move the transmission assembly 40 through the operation structure 22 to realize the lifting movement of the publicity column 10, thereby reducing the operation difficulty of the user.

Alternatively, the operating mechanism 22 is manual or automatic.

Optionally, there is one drive assembly 40; alternatively, the plurality of driving members 40 may be provided, and the plurality of driving members 40 may be provided at intervals along the length direction of the bulletin board 10. Like this, above-mentioned setting makes transmission assembly 40's number select more in a flexible way to satisfy different user demands and operating mode, also promoted staff's processing flexibility.

In this embodiment, there are two drive assemblies 40, and the two drive assemblies 40 are spaced apart along the length of the billboard 10. Like this, above-mentioned setting has promoted the transmission reliability of transmission subassembly 40 to ensure that publicity column 10 can go up and down steadily, avoid producing vibration and noise and influence user's use experience.

It should be noted that the number of the transmission assemblies 40 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, there are three, or four, or more drive assemblies 40.

As shown in fig. 4, the operation structure 22 includes an operation portion and the rotation lever 2. Wherein the operation part is positioned outside the containing box 1. Dwang 2 wears to establish on containing box 1, and the operating portion is connected with the at least one end of dwang 2 to drive dwang 2 and rotate for containing box 1. The rotating rod 2 is connected with the transmission assembly 40 so as to drive the publicity column 10 to move up and down through the transmission assembly 40. Like this, the user can hold the operation portion and rotate to drive dwang 2 and rotate for containing box 1, and then drive publicity column 10 through drive assembly 40 and carry out elevating movement, further promoted publicity column 10 elevating movement's stationarity.

As shown in fig. 4, the transmission assembly 40 includes a gear set and a lead screw 3. Wherein, the gear train includes intermeshing's first gear 4 and second gear 5, is the contained angle setting between the center pin of first gear 4 and the center pin of second gear 5, and first gear 4 is connected with dwang 2, and the center pin of first gear 4 sets up with the pivot is coaxial of dwang 2. Lead screw 3 is connected with second gear 5, and lead screw 3's pivot and the coaxial setting of second gear 5's center pin, lead screw 3 at least part wear to establish in propaganda subassembly 30 and with propaganda subassembly 30 threaded connection to drive publicity column 10 and carry out elevating movement. Therefore, the structure of the transmission assembly 40 is simpler, the transmission assembly is easy to process and realize, and the processing difficulty and the processing cost of the transmission assembly 40 are reduced.

Specifically, first gear 4 and second gear 5 are bevel gear, and mutually perpendicular sets up between the center pin of first gear 4 and the center pin of second gear 5, has cup jointed second gear 5 on the lead screw 3, because first gear 4 and the meshing of second gear 5 are connected, can make the rotation of dwang 2 drive lead screw 3 through the meshing of first gear 4 and second gear 5 and rotate to it carries out elevating movement to drive publicity column 10.

It should be noted that fig. 4 is only a schematic structural diagram of the propaganda device, and the rotation directions of the two lead screws 3 in this embodiment are opposite to each other, so as to ensure that the two lead screws 3 drive the propaganda column 10 to synchronously move up and down.

In this embodiment, the lead screw 3 is sleeved with a fixing block 6, and the fixing block 6 is fixedly connected with the front and rear inner walls of the containing box 1.

As shown in fig. 3 and 4, the promotional component 30 further comprises a mating structure 8. Wherein, cooperation structure 8 is connected with publicity column 10, and cooperation structure 8 has the internal thread hole, and lead screw 3 wears to establish in the internal thread hole and with internal thread hole threaded connection to drive publicity column 10 and carry out elevating movement. Like this, when lead screw 3 rotated, lead screw 3 can drive cooperation structure 8 and carry out elevating movement, and then drive publicity column 10 and carry out elevating movement to freely switch between show state and first storage device.

Optionally, there is one mating structure 8, or there are a plurality of mating structures 8, and the plurality of mating structures 8 are disposed in one-to-one correspondence with the plurality of transmission assemblies 40. Like this, above-mentioned setting makes the number of cooperation structure 8 select more nimble to satisfy different user demand and operating mode, also promoted staff's processing flexibility.

In this embodiment, the number of the matching structures 8 is two, and the two matching structures 8 are respectively located at two sides of the bulletin board 10, so as to improve the transmission reliability of the transmission assembly 40.

The number of the engagement structures 8 is not limited to this, and may be the same as the number of the transmission assemblies 40. Optionally, there are three, or four, or more mating structures 8.

As shown in fig. 1 and 3, the promotional component 30 further comprises a mounting plate 15. The matching structure 8 and the bulletin board 10 are both arranged on the mounting plate 15, the mounting plate 15 is provided with a first matching portion 25, the writing board 16 is provided with a second matching portion 17, one of the first matching portion 25 and the second matching portion 17 is a first convex portion, the other of the first matching portion 25 and the second matching portion 17 is a first concave portion, and the first convex portion extends into the first concave portion and can slide along the first concave portion. Thus, the above arrangement improves the sliding reliability of the tablet 16 to ensure that the tablet 16 can be freely switched between the expanded state and the second storage means.

Specifically, the first engaging portion 25 is a first concave portion, the second engaging portion 17 is a first protrusion, the first convex portion extends into the first concave portion and can slide along the first concave portion, and the extending direction of the first protrusion is the same as the sliding direction of the writing board 16.

Alternatively, there is one first mating portion 25 and one second mating portion 17; alternatively, the first engaging portions 25 are plural, the second engaging portions 17 are plural, the plural second engaging portions 17 are provided in one-to-one correspondence with the plural first engaging portions 25, and the plural first engaging portions 25 are provided at intervals in the width direction and/or the length direction of the tablet 16. Like this, above-mentioned setting makes the number of first cooperation portion 25 and second cooperation portion 17 select more in a flexible way to satisfy different user demand and operating mode, also promoted staff's processing flexibility.

In the present embodiment, there are two first fitting portions 25, and two second fitting portions 17.

In the present embodiment, when the tablet 16 is in the second storage state, the tablet 16 and the bulletin board 10 are located on both sides of the attachment plate 15, respectively. This arrangement prevents the tablet 16 from obscuring the contents of the bulletin board 10 when the tablet 16 is in the expanded state.

As shown in fig. 3 and 4, the inner circumferential surface of the storage box 1 is provided with a third engaging portion 7, the mounting plate 15 is provided with a fourth engaging portion 9, one of the third engaging portion 7 and the fourth engaging portion 9 is a second convex portion, and the other of the third engaging portion 7 and the fourth engaging portion 9 is a second concave portion, and the second convex portion extends into the second concave portion and can slide along the second concave portion. In this way, during the lifting of the bulletin board 10, the movement direction of the bulletin board 10 is limited by the above-mentioned engagement of the second convex portion and the second concave portion, and the bulletin board 10 is ensured to move in the vertical direction all the time.

Specifically, third cooperation portion 7 has been seted up on the inner wall of containing box 1, the quantity of third cooperation portion 7 is provided with two sets ofly, third cooperation portion 7 is the symmetric distribution, be equipped with fourth cooperation portion 9 on the cooperation structure 8, fourth cooperation portion 9 corresponds the setting with third cooperation portion 7, fourth cooperation portion 9 passes through third cooperation portion 7 and containing box 1 sliding connection, through setting up the position of third cooperation portion 7 and the 9 restriction cooperation structures 8 of fourth cooperation portion, at dwang 2, lead screw 3 and first gear 4, make cooperation structure 8 can drive publicity column 10 and carry out the elevating movement under the effect of second gear 5.

In the present embodiment, the fourth engaging portion 9 is a second convex portion, and the third engaging portion 7 is a second concave portion.

Optionally, there is one third mating portion 7 and one fourth mating portion 9; alternatively, the number of the third engaging portions 7 is plural, the number of the fourth engaging portions 9 is plural, the plural fourth engaging portions 9 are provided in one-to-one correspondence with the plural third engaging portions 7, and the plural fourth engaging portions 9 are provided at intervals in the width direction and/or the length direction of the mounting plate 15. Like this, above-mentioned setting makes the number of third cooperation portion 7 and fourth cooperation portion 9 select more in a flexible way to satisfy different user demand and operating mode, also promoted staff's processing flexibility.

In the present embodiment, there are two third fitting portions 7 and two fourth fitting portions 9.

As shown in fig. 1 and 3, the promotional component 30 further comprises a glass panel 11 and a latch 14. Wherein the glass plate 11 is rotatably provided on the bulletin board 10. The latch 14 is rotatably disposed on the mounting plate 15 and/or the mating structure 8, and the latch 14 includes a bar stopper having a locked state rotated to a limit stop with the glass plate 11 and an unlocked state rotated to be disengaged from the glass plate 11. In this way, the user can open or close the glass plate 11 by rotating the glass plate 11, thereby performing modification and replacement of the advertisement contents.

Specifically, the right side of the publicity column 10 is provided with a connecting block 12, the glass plate 11 is rotatably connected with the publicity column 10 through the connecting block 12, and the left side of the publicity column 10 is provided with a damping ring 13. Wherein, connecting block 12's quantity is provided with two sets ofly, and connecting block 12 is the symmetric distribution, and hasp 14 passes through damping ring 13 to be connected with publicity column 10 rotation, and hasp 14 and 11 activity joint of glass board make things convenient for the staff to fix glass board 11 through setting up hasp 14.

As shown in fig. 2, the containing box 1 is provided with a flip 20 and a rotating shaft 21, the number of the rotating shafts 21 is two, the rotating shafts 21 are symmetrically distributed, the flip 20 is rotatably connected with the containing box 1 through the rotating shaft 21, the flip 20 is installed through the rotating shaft 21, the publicity column 10 is put into the containing box 1 after the publicity device is used, and the flip 20 is closed, so that the containing box 1 is convenient to move.

As shown in fig. 1 and 2, the handles 23 are arranged on two sides of the storage box 1, the handles 23 are arranged in two groups, the handles 23 are symmetrically distributed, the pulleys 24 are arranged below the storage box 1, the pulleys 24 are arranged in four groups, the pulleys 24 are distributed at four corners of the storage box 1, convenience is brought to users to lift the storage box 1 through the two groups of the handles 23, and the whole propaganda device is convenient for the workers to move through the four groups of the pulleys 24.

As shown in fig. 1 and 2, a slot 19 is provided on the writing board 16, two ends of the supporting rod 18 are movably sleeved with the writing board 16 and the storage box 1 through the slot 19, and the supporting rod 18 is connected with the slot 19 on the writing board 16 and the storage box 1 so as to support the writing board 16. Wherein, the quantity of slot 19 is provided with two sets, and slot 19 is the symmetric distribution.

Specifically, the publicity device works on the following principle:

the user makes two sets of lead screws 3 rotate through rotating dwang 2 under the drive of first gear 4 and second gear 5, makes under the limiting displacement of third cooperation portion 7 and fourth cooperation portion 9 and can move up and down with lead screw 3 threaded connection's cooperation structure 8 to can drive publicity column 10 and reciprocate. When the user need not use publicity column 10, the staff only need rotate dwang 2 and make cooperation structure 8 move down, drive publicity column 10 and withdraw and can accomplish in containing box 1 and accomodate, be convenient for remove the propaganda device. When the publicity column 10 is not enough to display the relevant information of the recruiting post or the relevant introduction of the recruiting company on the recruiting site, the worker can spread the writing boards 16 on the two sides to write or paste other information by pulling the writing boards 16, so that the limitation of the traditional publicity device is avoided.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

when the user uses the propaganda device, adjust the publicity column to the show state by first state of accomodating, the user can only use the publicity column to recruit, the propaganda this moment, also can use publicity column and the mode that the clipboard combines to carry out abundant show and replenishment to recruitment information etc. for the propaganda device can increase the content temporarily according to position information, and then solved the problem that the function singleness and inconvenient accomodating of recruitment device among the prior art, be convenient for the user shifts or carries the propaganda device, user's use experience has been promoted.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)

1. An advertising device, comprising:

a storage box (1),

the propaganda component (30) comprises a propaganda column (10), the propaganda column (10) is arranged in the containing box (1) in a lifting mode, and the propaganda column (10) has a first containing state contained in the containing box (1) and a display state lifted above the containing box (1);

a writing board (16) slidably disposed on the advertising component (30), the writing board (16) having a second storage state slidably stored to one side of the advertising component (30).

2. The advertising device according to claim 1, further comprising:

an operating structure (22);

the transmission assembly (40), publicity column (10) pass through transmission assembly (40) with operation structure (22) are connected, in order to pass through operation structure (22) drive publicity column (10) be in first accomodate the state with switch between the show state.

3. The promotional device according to claim 2 wherein the drive assembly (40) is one; or, the number of the transmission assemblies (40) is multiple, and the transmission assemblies (40) are arranged at intervals along the length direction of the publicity column (10).

4. The advertising device according to claim 2, wherein the operating structure (22) comprises:

an operation part located outside the storage box (1);

the rotating rod (2) penetrates through the storage box (1), and the operating part is connected with at least one end of the rotating rod (2) so as to drive the rotating rod (2) to rotate relative to the storage box (1); dwang (2) with drive assembly (40) are connected, in order to pass through drive assembly (40) drive publicity column (10) carry out elevating movement.

5. The promotional device according to claim 4, wherein the transmission assembly (40) comprises:

the gear set comprises a first gear (4) and a second gear (5) which are meshed with each other, an included angle is formed between the central axis of the first gear (4) and the central axis of the second gear (5), the first gear (4) is connected with the rotating rod (2), and the central axis of the first gear (4) and the rotating shaft of the rotating rod (2) are coaxially arranged;

the lead screw (3) is connected with the second gear (5), a rotating shaft of the lead screw (3) is coaxially arranged with a central shaft of the second gear (5), at least part of the lead screw (3) penetrates through the propaganda component (30) and is in threaded connection with the propaganda component (30) so as to drive the propaganda column (10) to move up and down.

6. The promotional device according to claim 5, wherein the promotional component (30) further comprises:

the matching structure (8) is connected with the publicity column (10), the matching structure (8) is provided with an internal threaded hole, and the lead screw (3) penetrates through the internal threaded hole and is in threaded connection with the internal threaded hole so as to drive the publicity column (10) to perform lifting movement;

the number of the matching structures (8) is one, or the number of the matching structures (8) is multiple, and the matching structures (8) and the transmission assemblies (40) are arranged in a one-to-one correspondence mode.

7. The promotional device according to claim 6, wherein the promotional component (30) further comprises:

mounting panel (15), cooperation structure (8) with publicity column (10) all sets up on mounting panel (15), be provided with first cooperation portion (25) on mounting panel (15), clipboard (16) have second cooperation portion (17), first cooperation portion (25) with one in second cooperation portion (17) is first convex part, first cooperation portion (25) with another in second cooperation portion (17) is first concave part, first convex part stretches into in the first concave part and can follow first concave part slides.

8. The advertising device according to claim 7, wherein the writing board (16) and the bulletin board (10) are respectively located on both sides of the mounting plate (15) when the writing board (16) is in the second storage state.

9. The advertising device as claimed in claim 7, wherein a third engaging portion (7) is provided on an inner peripheral surface of the storage box (1), a fourth engaging portion (9) is provided on the mounting plate (15), one of the third engaging portion (7) and the fourth engaging portion (9) is a second convex portion, and the other of the third engaging portion (7) and the fourth engaging portion (9) is a second concave portion, and the second convex portion protrudes into and is slidable along the second concave portion.

10. The promotional device according to claim 7, wherein the promotional component (30) further comprises:

a glass plate (11) rotatably provided on the bulletin board (10);

hasp (14), rotationally set up mounting panel (15) and/or on cooperation structure (8), hasp (14) include the bar backstop portion, the bar backstop portion have rotate to with the locking state of the spacing backstop of glass board (11) and rotate to with glass board (11) break away from the complex unlocking state.

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