CN215737673U - Chinese books bear frame - Google Patents
Chinese books bear frame Download PDFInfo
- Publication number
- CN215737673U CN215737673U CN202120191837.4U CN202120191837U CN215737673U CN 215737673 U CN215737673 U CN 215737673U CN 202120191837 U CN202120191837 U CN 202120191837U CN 215737673 U CN215737673 U CN 215737673U
- Authority
- CN
- China
- Prior art keywords
- inner cavity
- plate
- slide block
- fixedly connected
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Landscapes
- Manipulator (AREA)
Abstract
The application discloses chinese books bear frame, support casing, backup pad, get book structure, limit structure and sign board including protection casing, rectangle, the equal fixedly connected with rectangle support casing of inner chamber both sides lateral wall department of protection casing, two fixedly connected with backup pad between the rectangle support casing, install on the rectangle support casing and get the book structure, it includes first threaded rod, lifting slide, electric putter, link, removes frame, servo drive motor, rolling gear and finger cylinder to get the book structure. This device is rational in infrastructure, and convenient to use, this device have and get the book structure, can be comparatively convenient take off the books that this device eminence was placed through getting the book structure, avoid being difficult to the trouble of getting the book because of user's height is not enough, also correspondingly reduced the danger of climbing simultaneously, this device has limit structure, can carry out spacing support tightly to the books of placing on this device through limit structure, and the slope is in disorder when can effectually avoiding books to place.
Description
Technical Field
The application relates to a books bear the frame, specifically is a chinese books bear frame.
Background
A Chinese is a multi-meaning word, usually used as a shorthand for language characters, language literature, and language culture. A chinese class is generally considered to be a comprehensive family of languages and cultures. The simple general names of languages and articles, language knowledge and cultural knowledge, etc. can not be separated from the text. It can also be said that a language is the sum of written or spoken language work formed by applying language rules and words of a particular language and the process of this formation.
In the Chinese learning process, a large number of books need to be read, and books are placed on the bookshelf usually, and traditional bookshelf structure is comparatively simple, and the function is comparatively single, and partial books are placed at the height of bookshelf, take the difficulty, and the staff climbs to rise simultaneously and gets the book and also has certain danger. Therefore, a Chinese book bearing frame is provided to solve the above problems.
Disclosure of Invention
A Chinese book bearing frame comprises a protection shell, a rectangular support shell, a support plate, a book taking structure, a limiting structure and an identification plate;
the book taking structure comprises a first threaded rod, a lifting slide block, an electric push rod, a connecting frame, a moving frame, a servo drive motor, a rotating gear and a finger cylinder, the first threaded rod is rotatably connected between the upper wall and the lower wall of the inner cavity of the two rectangular supporting shells, the lifting slide block is slidably connected in the inner cavity of the rectangular supporting shells, one end of the electric push rod is fixedly arranged at the side wall of the lifting slide block, the other end of the electric push rod penetrates through the side wall of the inner cavity of the rectangular supporting shells and extends out of the inner cavity, the electric push rod is in sliding fit with the side wall of the inner cavity of the rectangular supporting shells, and the connecting frame is fixedly connected between the two electric push rods, the connecting frame is connected with a moving frame in a sliding mode, a servo driving motor is fixedly installed on the lower surface of the moving frame, a rotating gear is fixedly connected at the tail end of an output shaft of the servo driving motor, and a finger cylinder is fixedly installed on the side wall of the moving frame;
an inner cavity is formed in the supporting plate, a limiting structure is arranged in the inner cavity of the supporting plate, the limiting structure comprises a limiting slide block, a connecting plate, a limiting plate, a second threaded rod, a first bevel gear, a second servo motor and a motor connecting rod, the limiting slide block is connected in the inner cavity of the supporting plate in a sliding mode, one end of the connecting plate is fixedly connected to the upper surface of the limiting slide block, the other end of the connecting plate penetrates through the upper wall of the inner cavity of the supporting plate and extends out of the wall, the connecting plate is in sliding fit with the upper wall of the inner cavity of the supporting plate, the limiting plate is fixedly connected to the top end of the connecting plate, the second threaded rod is rotatably connected between the side walls of the two sides of the inner cavity of the supporting plate, the first bevel gear is fixedly connected to the arc-shaped wall of the second threaded rod, and the second servo motor is fixedly arranged on the lower surface of the supporting plate, one end of a motor connecting rod is fixedly connected at the tail end of an output shaft of the second servo motor, the other end of the motor connecting rod extends into the inner cavity of the supporting plate, and a second bevel gear is fixedly connected at the other end of the motor connecting rod.
Furthermore, a hinge is fixedly installed at the side edge of the protection shell, and a protection door is installed on the protection shell in a hinged mode through the hinge.
Further, the upper surface department fixedly connected with motor mounting bracket of protection casing, fixed mounting has servo motor on the motor mounting bracket, the top of first threaded rod extend to servo motor's output shaft department and with servo motor's output shaft end between fixed connection.
Furthermore, a plurality of tooth sockets arranged at equal intervals are formed in the lower surface of the connecting frame, and the rotating gear is meshed with the tooth sockets in the lower surface of the connecting frame.
Furthermore, the first threaded rod penetrates through the lifting slide block and is in threaded fit with the lifting slide block, and the second threaded rod penetrates through the limiting slide block and is in threaded fit with the limiting slide block.
Further, the first bevel gear and the second bevel gear are meshed with each other.
Further, the backup pad is total a plurality of, a plurality of the backup pad equidistance is arranged and is fixed between two rectangle support casings, and is a plurality of limit structure all installs in the backup pad.
Further, the lateral wall department of backup pad is provided with the sign board, the mounting groove has been seted up in the backup pad, the mounting hole has been seted up to the side department of sign board.
Furthermore, a limit pin is inserted between the mounting groove of the support plate and the mounting hole of the identification plate, an inner cavity is formed in the limit pin, and a bolt is inserted into the inner cavity of the limit pin.
Furthermore, a plurality of inner convex rings which are distributed at equal intervals are fixedly arranged in the inner cavity of the limiting pin, the bolt is thin at the front end and thick at the rear end, and the limiting pin and the inner convex rings are made of rubber materials.
The beneficial effect of this application is: the application provides a chinese books that make things convenient for eminence to get book bear frame.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of an internal structure of an embodiment of the present application;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;
FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 2 according to an embodiment of the present disclosure;
FIG. 5 is a schematic top view of an embodiment of the protective housing;
fig. 6 is a schematic view of a connection structure of a plug according to an embodiment of the present application.
In the figure: 1. protection casing, 2, rectangle support casing, 3, first threaded rod, 4, lifting slide block, 5, electric putter, 6, link, 7, removal frame, 8, servo driving motor, 9, running gear, 10, finger cylinder, 11, motor mounting bracket, 12, servo motor, 13, the backup pad, 14, spacing slider, 15, the connecting plate, 16, the limiting plate, 17, the second threaded rod, 18, first bevel gear, 19, second bevel gear, 20, second servo motor, 21, the motor connecting rod, 22, the sign board, 23, the spacer pin, 24, interior convex ring, 25, the bolt, 26, the hinge, 27, the shutter.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
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 application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-6, a chinese book bearing frame includes a protection housing 1, a rectangular support housing 2, a support plate 13, a book fetching structure, a limiting structure and an identification plate 22;
the book taking structure comprises a first threaded rod 3, a lifting slider 4, an electric push rod 5, a connecting frame 6, a moving frame 7, a servo driving motor 8, a rotating gear 9 and a finger cylinder 10, the first threaded rod 3 is rotatably connected between the upper wall and the lower wall of the inner cavity of the two rectangular supporting shells 2, the lifting slider 4 is slidably connected in the inner cavity of the rectangular supporting shell 2, one end of the electric push rod 5 is fixedly mounted at the side wall of the lifting slider 4, the other end of the electric push rod 5 penetrates through the inner cavity side wall of the rectangular supporting shell 2 and extends out of the inner cavity side wall, and the electric push rod 5 is in sliding fit with the inner cavity side wall of the rectangular supporting shell 2, a connecting frame 6 is fixedly connected between the two electric push rods 5, a moving frame 7 is connected onto the connecting frame 6 in a sliding manner, a servo driving motor 8 is fixedly installed at the lower surface of the moving frame 7, a rotating gear 9 is fixedly connected at the tail end of an output shaft of the servo driving motor 8, and a finger cylinder 10 is fixedly installed at the side wall of the moving frame 7;
an inner cavity is formed in the supporting plate 13, a limiting structure is installed in the inner cavity of the supporting plate 13, the limiting structure comprises a limiting slider 14, a connecting plate 15, a limiting plate 16, a second threaded rod 17, a first bevel gear 18, a second bevel gear 19, a second servo motor 20 and a motor connecting rod 21, the limiting slider 14 is connected in the inner cavity of the supporting plate 13 in a sliding mode, one end of the connecting plate 15 is fixedly connected to the upper surface of the limiting slider 14, the other end of the connecting plate 15 penetrates through the upper wall of the inner cavity of the supporting plate 13 and extends out of the wall, the connecting plate 15 is in sliding fit with the upper wall of the inner cavity of the supporting plate 13, the limiting plate 16 is fixedly connected to the top end of the connecting plate 15, a second threaded rod 17 is rotatably connected between the side walls of the two sides of the inner cavity of the supporting plate 13, and a first bevel gear 18 is fixedly connected to the arc-shaped wall of the second threaded rod 17, a second servo motor 20 is fixedly mounted on the lower surface of the support plate 13, one end of a motor connecting rod 21 is fixedly connected to the tail end of an output shaft of the second servo motor 20, the other end of the motor connecting rod 21 extends into the inner cavity of the support plate 13, and a second bevel gear 19 is fixedly connected to the other end of the motor connecting rod 21.
A hinge 26 is fixedly installed at the side edge of the protection shell 1, and the protection shell 1 is hinged with a protection door 27 through the hinge 26; the upper surface of the protection shell 1 is fixedly connected with a motor mounting rack 11, a servo motor 12 is fixedly mounted on the motor mounting rack 11, and the top end of the first threaded rod 3 extends to the output shaft of the servo motor 12 and is fixedly connected with the tail end of the output shaft of the servo motor 12; a plurality of tooth grooves which are distributed at equal intervals are formed in the lower surface of the connecting frame 6, and the rotating gear 9 is meshed with the tooth grooves in the lower surface of the connecting frame 6; the first threaded rod 3 penetrates through the lifting slide block 4 and is in threaded fit with the lifting slide block 4, and the second threaded rod 17 penetrates through the limiting slide block 14 and is in threaded fit with the limiting slide block 14; the first bevel gear 18 and the second bevel gear 19 are meshed with each other; the number of the support plates 13 is multiple, the support plates 13 are arranged and fixed between the two rectangular support shells 2 at equal intervals, and the limit structures are arranged on the support plates 13; an identification plate 22 is arranged on the side wall of the support plate 13, an installation groove is formed in the support plate 13, and an installation hole is formed in the side edge of the identification plate 22; a limit pin 23 is inserted between the mounting groove of the support plate 13 and the mounting hole of the identification plate 22, an inner cavity is formed in the limit pin 23, and a plug pin 25 is inserted in the inner cavity of the limit pin 23; a plurality of inner convex rings 24 are fixedly arranged in the inner cavity of the limiting pin 23 at equal intervals, the bolt 25 is thin at the front end and thick at the rear end, and the limiting pin 23 and the inner convex rings 24 are made of rubber materials.
When the device is used, electrical components appearing in the device are externally connected with a power supply and a control switch when in use, firstly, a Chinese book to be placed is vertically placed at the upper surface of a support plate 13, after the book is placed orderly, a motor connecting rod 21 and a second bevel gear 19 are driven to rotate through the work of a second servo motor 20, so as to drive a first bevel gear 18 to rotate, a second threaded rod 17 is driven to rotate through the rotation of the first bevel gear 18, a limit slider 14 is driven to move through the rotation of the second threaded rod 17, so as to drive a limit plate 16 to move, so that the limit plate 16 is abutted against one side of the book to limit the book, the book can be effectively prevented from being toppled and scattered, when the book at a high position of the device needs to be taken, the first threaded rod 3 is driven to rotate through the work of the servo motor 12, the lifting slider 4 is driven to move through the rotation of the first threaded rod 3, the electric push rod 5 is driven to move up and down by the movement of the lifting slide block 4, and then the height of the connecting frame 6, the moving frame 7 and the finger cylinder 10 is adjusted, so that the finger cylinder 10 is positioned at the height position where a book needs to be taken, the rotating gear 9 is driven to rotate by the work of the servo driving motor 8, the moving frame 7 is driven to move by the meshing rotation between the rotating gear 9 and the tooth grooves on the connecting frame 6, and further the horizontal position of the finger cylinder 10 is adjusted, so that the finger cylinder 10 is positioned at the position where the book needs to be taken, the finger cylinder 10 is driven to move to the book position by the contraction of the electric push rod 5, the book is clamped by the work of the finger cylinder 10, then the electric push rod 5 is extended, so that the book is taken out, the moving frame 7 is driven to move down by the work of the servo motor 12, the book is driven to the low position, and the book can be taken conveniently, when the identification plate 22 needs to be removed, the plug pin 25 is pulled out from the stopper pin 23, and the stopper pin 23 is taken out from the support plate 13, so that the identification plate 22 can be removed and replaced.
The application has the advantages that:
1. the device is reasonable in structure and convenient to use, the device is provided with the book taking structure, books placed at a high position of the device can be taken down conveniently through the book taking structure, the trouble that the books are difficult to take due to the fact that the height of a user is insufficient is avoided, and meanwhile the risk of climbing is correspondingly reduced;
2. the device is provided with a limiting structure, books placed on the device can be limited and abutted tightly through the limiting structure, and the books can be effectively prevented from being inclined and scattered when placed;
3. this device can mark the books of placing through the marking plate, and the later stage of being convenient for is seeked, and the relative traditional note of marking plate marks simultaneously, and is not fragile more, can use for a long time, and the marking plate is dismantled fixed simple and conveniently, and is easily changed, is fit for using widely.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a chinese books bear frame which characterized in that: comprises a protective shell (1), a rectangular supporting shell (2), a supporting plate (13), a book fetching structure, a limiting structure and an identification plate (22);
the book taking structure comprises a first threaded rod (3), a lifting slide block (4), an electric push rod (5), a connecting frame (6), a moving frame (7), a servo driving motor (8), a rotating gear (9) and a finger cylinder (10), wherein the first threaded rod (3) is rotatably connected between the upper wall and the lower wall of the inner cavity of the two rectangular supporting shells (2), the lifting slide block (4) is slidably connected in the inner cavity of the rectangular supporting shell (2), one end of the electric push rod (5) is fixedly arranged at the side wall of the lifting slide block (4), and the other end of the electric push rod (5) penetrates through the side wall of the inner cavity of the rectangular supporting shell (2) and extends out of the inner cavity wall, the electric push rods (5) are in sliding fit with the side wall of the inner cavity of the rectangular supporting shell (2), a connecting frame (6) is fixedly connected between the two electric push rods (5), a moving frame (7) is connected on the connecting frame (6) in a sliding manner, a servo driving motor (8) is fixedly installed at the lower surface of the moving frame (7), a rotating gear (9) is fixedly connected at the tail end of an output shaft of the servo driving motor (8), and a finger cylinder (10) is fixedly installed at the side wall of the moving frame (7);
an inner cavity is formed in the supporting plate (13), a limiting structure is installed in the inner cavity of the supporting plate (13), the limiting structure comprises a limiting slide block (14), a connecting plate (15), a limiting plate (16), a second threaded rod (17), a first bevel gear (18), a second bevel gear (19), a second servo motor (20) and a motor connecting rod (21), the inner cavity of the supporting plate (13) is connected with the limiting slide block (14) in a sliding mode, one end of the connecting plate (15) is fixedly connected to the upper surface of the limiting slide block (14), the other end of the connecting plate (15) penetrates through the upper wall of the inner cavity of the supporting plate (13) and extends out of the wall, the connecting plate (15) is in sliding fit with the upper wall of the inner cavity of the supporting plate (13), the top end of the connecting plate (15) is fixedly connected with the limiting plate (16), and the second threaded rod (17) is rotatably connected between the side walls of the two sides of the inner cavity of the supporting plate (13), the arc-shaped wall of the second threaded rod (17) is fixedly connected with a first bevel gear (18), the lower surface of the supporting plate (13) is fixedly provided with a second servo motor (20), the tail end of an output shaft of the second servo motor (20) is fixedly connected with one end of a motor connecting rod (21), the other end of the motor connecting rod (21) extends into the inner cavity of the supporting plate (13), and the other end of the motor connecting rod (21) is fixedly connected with a second bevel gear (19).
2. A chinese book carrier as claimed in claim 1, wherein: the side department fixed mounting of protection casing (1) has hinge (26), protection casing (1) is articulated through hinge (26) and is installed shutter (27).
3. A chinese book carrier as claimed in claim 1, wherein: the upper surface department fixedly connected with motor mounting bracket (11) of protection casing (1), fixed mounting has servo motor (12) on motor mounting bracket (11), the top of first threaded rod (3) extend to output shaft department of servo motor (12) and with servo motor (12) output shaft between the end fixed connection.
4. A chinese book carrier as claimed in claim 1, wherein: the lower surface of the connecting frame (6) is provided with a plurality of tooth sockets which are arranged at equal intervals, and the tooth sockets at the lower surface of the rotating gear (9) and the connecting frame (6) are mutually meshed.
5. A chinese book carrier as claimed in claim 1, wherein: the first threaded rod (3) penetrates through the lifting slide block (4) and is in threaded fit with the lifting slide block (4), and the second threaded rod (17) penetrates through the limiting slide block (14) and is in threaded fit with the limiting slide block (14).
6. A chinese book carrier as claimed in claim 1, wherein: the first bevel gear (18) and the second bevel gear (19) are meshed with each other.
7. A chinese book carrier as claimed in claim 1, wherein: the utility model discloses a supporting plate, including backup pad (13), backup pad (13) total a plurality of backup pad (13) equidistance is arranged and is fixed between two rectangle support shells (2), and is a plurality of all install limit structure on backup pad (13).
8. A chinese book carrier as claimed in claim 1, wherein: the side wall department of backup pad (13) is provided with sign board (22), the mounting groove has been seted up on backup pad (13), the mounting hole has been seted up to the side department of sign board (22).
9. A chinese book carrier as claimed in claim 1, wherein: a limit pin (23) is inserted between the mounting groove of the support plate (13) and the mounting hole of the identification plate (22), an inner cavity is formed in the limit pin (23), and a bolt (25) is inserted into the inner cavity of the limit pin (23).
10. A chinese book carrier as claimed in claim 9, wherein: a plurality of inner convex rings (24) which are distributed at equal intervals are fixedly arranged in the inner cavity of the limiting pin (23), the bolt (25) is thin at the front end and thick at the rear end, and the limiting pin (23) and the inner convex rings (24) are made of rubber materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120191837.4U CN215737673U (en) | 2021-01-25 | 2021-01-25 | Chinese books bear frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120191837.4U CN215737673U (en) | 2021-01-25 | 2021-01-25 | Chinese books bear frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215737673U true CN215737673U (en) | 2022-02-08 |
Family
ID=80071098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120191837.4U Expired - Fee Related CN215737673U (en) | 2021-01-25 | 2021-01-25 | Chinese books bear frame |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215737673U (en) |
-
2021
- 2021-01-25 CN CN202120191837.4U patent/CN215737673U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215737673U (en) | Chinese books bear frame | |
CN211021858U (en) | Teaching display device for environmental art design major | |
CN209746844U (en) | Display device that ideological and political education major teaching was used | |
CN214433278U (en) | Mobilizable show shelf for chinese teaching | |
CN212098122U (en) | Education and teaching card placer | |
CN211431954U (en) | Exhibition box for exhibition | |
CN210535108U (en) | English translation training device | |
CN209804073U (en) | Business english teaching vocabulary display device | |
CN210073009U (en) | Presentation device for ideology and politics | |
CN209895739U (en) | Manpower resource performance stand | |
CN212208647U (en) | Teaching board for education and teaching management | |
CN204423845U (en) | A kind of outdoor round-the-clock ideological and political propaganda hurdle | |
CN214410412U (en) | English translation demonstration board | |
CN213673705U (en) | Fixing clamp for lettering equipment | |
CN213849335U (en) | Workbench for planar design | |
CN112032504A (en) | Multifunctional display and play equipment for interview system of human resource department | |
CN211207507U (en) | Chinese teaching aid | |
CN111959185B (en) | Drawing board for animation design that facilitates use | |
CN214253539U (en) | Junior middle school's chinese phrase learning tool | |
CN215650280U (en) | Professional technology education display device | |
CN211882899U (en) | Reading and publication storing device for library | |
CN214312254U (en) | Rotatable flexible political teaching show teaching aid | |
CN215125754U (en) | Display device is arrange in order to literal arts data | |
CN214928504U (en) | Adjustable blackboard for music teaching | |
CN209947159U (en) | Remove teaching display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
|
CF01 | Termination of patent right due to non-payment of annual fee |