CN211065772U - Portable hanging picture frame for vocational education - Google Patents
Portable hanging picture frame for vocational education Download PDFInfo
- Publication number
- CN211065772U CN211065772U CN201920670093.7U CN201920670093U CN211065772U CN 211065772 U CN211065772 U CN 211065772U CN 201920670093 U CN201920670093 U CN 201920670093U CN 211065772 U CN211065772 U CN 211065772U
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- fixedly connected
- fastening block
- groove
- spout
- box body
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Abstract
The utility model discloses a portable hanging picture frame for vocational education, which belongs to the field of teaching equipment and comprises a box body, wherein the left side of the box body is fixedly connected with a handle, the right side of the box body is hinged with a box cover, the right end of the box body is internally provided with a storage chamber, the left end of the box body is internally fixedly connected with a base, the upper end of the base is provided with a containing groove, the upper end of the containing groove is fixedly connected with two symmetrical fixed blocks, the middle position of the fixed block is rotatably sleeved with a first cross rod which is provided with a hook seat capable of movably adjusting the position and a first cross rod, a second cross rod and an adjusting rod capable of adjusting the length, so that the hanging picture frame can be used for fixing pictures with different sizes and is convenient to use, the arranged hanging picture frame has the function of rotary folding, the hanging picture frame can be folded and placed in the containing groove, and the pictures can be placed in the, the picture hanging rack and the pictures are convenient to move, carry and use.
Description
Technical Field
The utility model relates to a teaching equipment field, more specifically say, relate to a portable hanging chart frame for vocational education.
Background
The wall map frame is a frame for hanging and fixing pictures, and is mostly used in professional education for hanging and fixing teaching pictures.
At present, the mode that current wall picture frame mostly adopted the bolt links together, may can't adjust the height and the width of hanging the picture frame when hanging the picture of fixed not unidimensional for the picture probably can't thoroughly expand, has brought a great deal of inconvenience for the teaching, and need consume a great deal of time when carrying and dismantle, probably lose the part at the in-process of carrying moreover, thereby make and hang the picture frame and be not convenient for carry the use.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a portable hanging picture frame for vocational education, it is provided with the couple seat of portable adjusting position and the first horizontal pole of adjustable length, the second horizontal pole and adjusts the pole for this hanging picture frame can fix the picture of different size and size, facilitate the use, and the hanging picture frame that sets up has rotatory folding function, can fold the hanging picture frame and place accomodating the inslot, and can place the picture in the storage chamber, the removal of being convenient for hanging picture frame and picture is carried, facilitate the use.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A portable hanging picture frame for vocational education comprises a box body, wherein a handle is fixedly connected to the left side of the box body, a box cover is hinged to the right side of the box body, a storage chamber is arranged inside the right end of the box body, a base is fixedly connected to the inside of the left end of the box body, a containing groove is formed in the upper end of the base, two symmetrical fixed blocks are fixedly connected to the upper end of the containing groove, a first cross rod is rotatably sleeved at the middle position of each fixed block, two symmetrical fixed rods are slidably sleeved at the two ends of the first cross rod, a hook seat is slidably sleeved on the surface of each fixed rod, a through hole is formed in the hook seat, the fixed rods are slidably sleeved in the through hole, a hook is fixedly connected to the upper end of the hook seat, a clamping seat is fixedly connected to the side surface of the hook seat, an axle seat is fixedly connected to the side surface, the adjustable wall-mounted picture hanging rack is characterized in that a second sliding groove is arranged in the adjusting rod, a telescopic rod is sleeved in the second sliding groove in a sliding mode, a second cross rod is fixedly connected to the upper end of the telescopic rod, the second cross rod is identical to a structural installation part of the first cross rod, a second spring is fixedly connected to the upper end of the accommodating groove, an adjusting rod is fixedly connected to the upper end of the second spring, a supporting rod is hinged to the upper end of the accommodating groove, a clamping block is hinged to the upper end of the supporting rod, the clamping block is provided with a hook seat capable of movably adjusting the position, and a first cross rod, a second cross rod and an adjusting rod capable of adjusting the length, so that pictures with different sizes can be fixed on the picture hanging rack, the picture hanging rack is convenient to use, the arranged picture hanging rack has a rotary folding function, the picture hanging rack can be folded in the accommodating groove, is convenient to use.
Further, the left end fixedly connected with first fastening block of dead lever, the surface contact of first fastening block is connected with first spout, the material of first fastening block is elasticity wear-resisting rubber, first fastening block is cylindrical, the external diameter of first fastening block is greater than the internal diameter of first spout, and first fastening block is convenient for fix the position of dead lever in first spout, and the length position of the fixed pole of being convenient for is adjusted, facilitates the use.
Further, the fixed stopper that has cup jointed in the side of couple seat, the stopper extends to in the through-hole, the one end sliding connection of stopper has the spacing groove, the stopper has the fillet with the one end of spacing groove contact, and the stopper joint makes the unable rotation of couple seat at the spacing inslot, has spacing and function of direction.
Further, the inside of first horizontal pole is equipped with two first spouts of symmetry, the dead lever has been cup jointed in sliding in the first spout, the upper end surface of dead lever is equipped with the locating hole that the equidistance distributes, the side of dead lever is equipped with the spacing groove, and the dead lever slides and cup joints in first spout for the dead lever has the flexible function of removal, the different picture of the fixed dimension of being convenient for.
Further, the side of axle bed articulates there is the kelly, the lower extreme joint of kelly has the locating hole, the fixed surface of kelly is connected with first spring, the lower extreme fixedly connected with cassette of first spring, first spring are in tensile state for the kelly has the function of automatic positioning, the position of the fixed couple seat of convenient to use.
Further, the lower extreme fixedly connected with second fastening block of telescopic link, the surface contact of second fastening block is connected with the second spout, the material of second fastening block is elasticity wear-resisting rubber, the second fastening block is cylindrical, the external diameter of second fastening block is greater than the internal diameter of second spout, and the second fastening block is convenient for fix the position of telescopic link in the second spout, makes things convenient for the telescopic link to adjust length position.
Further, the material of fixture block is rubber, the surface of fixture block is equipped with the draw-in groove, the joint has the regulation pole in the draw-in groove, the opening size of draw-in groove is less than the external diameter of adjusting the pole, and the fixture block can be quick fix on the surface of adjusting the pole, and the bracing piece of being convenient for supports the position of fixed regulation pole.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is provided with the couple seat of portable adjusting position and the first horizontal pole of adjustable length, second horizontal pole and regulation pole for this wall map frame can fix the picture of different size and dimension, facilitates the use, and the wall map frame that sets up has rotatory folding function, can fold the wall map frame and place taking in the inslot, can place the picture in the storage chamber in addition, and the removal of the wall map frame of being convenient for and picture is carried, facilitates the use.
(2) The left end fixedly connected with first fastening block of dead lever, the surface contact of first fastening block is connected with first spout, and the material of first fastening block is elasticity wear-resisting rubber, and first fastening block is cylindrical, and the external diameter of first fastening block is greater than the internal diameter of first spout, and the position of dead lever in first spout, the length position control of the dead lever of being convenient for, facilitate the use are convenient for to first fastening block.
(3) The fixed stopper that has cup jointed in the side of couple seat, in the stopper extends to the through-hole, the one end sliding connection of stopper has the spacing groove, and the one end that stopper and spacing groove contacted has the fillet, and the stopper joint makes the unable rotation of couple seat at the spacing inslot, has spacing and function of direction.
(4) The inside of first horizontal pole is equipped with two first spouts of symmetry, and it has cup jointed the dead lever to slide in the first spout, and the upper end surface of dead lever is equipped with the locating hole that the equidistance distributes, and the side of dead lever is equipped with the spacing groove, and the dead lever slides and cup joints in first spout for the dead lever has the flexible function of removal, the different picture of the fixed dimension of being convenient for.
(5) The side of axle bed articulates there is the kelly, and the lower extreme joint of kelly has the locating hole, and the fixed surface of kelly is connected with first spring, and the lower extreme fixedly connected with cassette of first spring, first spring are in tensile state for the kelly has automatic positioning's function, the position of the fixed couple seat of convenient to use.
(6) The lower extreme fixedly connected with second fastening block of telescopic link, the surface contact of second fastening block is connected with the second spout, and the material of second fastening block is elasticity wear-resisting rubber, and the second fastening block is cylindrical, and the external diameter of second fastening block is greater than the internal diameter of second spout, and the second fastening block is convenient for fix the position of telescopic link in the second spout, makes things convenient for the telescopic link to adjust length position.
(7) The material of fixture block is rubber, and the surface of fixture block is equipped with the draw-in groove, and the joint has the regulation pole in the draw-in groove, and the opening size of draw-in groove is less than the external diameter of adjusting the pole, and the fixture block can be quick fix on the surface of adjusting the pole, and the bracing piece of being convenient for supports the position of fixed regulation pole.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
fig. 3 is a schematic structural view of the hook base of the present invention;
fig. 4 is a sectional view of the first cross bar and fixing rod mounting structure of the present invention;
FIG. 5 is a sectional view of the mounting structure of the adjusting rod and the telescopic rod of the present invention;
fig. 6 is a side view of the overall structure of the present invention;
fig. 7 is the schematic view of the mounting structure of the fixture block and the support rod of the present invention.
The reference numbers in the figures illustrate:
the box body 1, 11 handles, 12 case lids, 13 apotheca, 2 bases, 21 accomodate the groove, 22 fixed block, 3 first horizontal poles, 31 first spout, 32 dead lever, 321 first fastening piece, 322 locating hole, 323 spacing groove, 4 couple seats, 41 through-holes, 42 stopper, 43 couple, 5 cassette, 51 axle bed, 52 kellies, 53 first spring, 6 regulation poles, 61 second spout, 62 telescopic link, 621 second fastening piece, 7 second horizontal poles, 8 second springs, 9 bracing pieces, 91 fixture block, 911 draw-in groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-7, a portable hanging picture frame for vocational education comprises a box body 1, referring to fig. 1-7, a handle 11 is fixedly connected to the left side of the box body 1, a box cover 12 is hinged to the right side of the box body 1, a storage chamber 13 is arranged inside the right end of the box body 1, the storage chamber 13 is used for placing pictures, a base 2 is fixedly connected inside the left end of the box body 1, the base 2 is used for fixing the position of the hanging picture frame, a containing groove 21 is arranged at the upper end of the base 2, the containing groove 21 is used for containing the hanging picture frame, two symmetrical fixing blocks 22 are fixedly connected to the upper end of the containing groove 21, the fixing blocks 22 are used for fixing the position of a first cross bar 3, the first cross bar 3 is rotatably sleeved at the middle position of the fixing blocks 22, two symmetrical fixing bars 32 are slidably sleeved at the two ends of the first cross bar 3, a hook seat 4 is slidably sleeved on the surface of the fixing bars 32, a hook 43 arranged on, the hook seat 4 is provided with a through hole 41, a fixed rod 32 is sleeved in the through hole 41 in a sliding manner, the upper end of the hook seat 4 is fixedly connected with a hook 43, the hook 43 is used for hanging a fixed hole arranged at a corner of a picture, the side surface of the hook seat 4 is fixedly connected with a clamping seat 5, the clamping seat 5 is used for fixing the position of the hook seat 4, the side surface of the clamping seat 5 is fixedly connected with a shaft seat 51, the upper end of the first cross rod 3 is fixedly connected with an adjusting rod 6, a second sliding groove 61 is arranged in the adjusting rod 6, a telescopic rod 62 is sleeved in the second sliding groove 61 in a sliding manner, the telescopic rod 62 has the function of up-down adjustment and can adjust the height position of the easel, the upper end of the telescopic rod 62 is fixedly connected with a second cross rod 7, the second cross rod 7 is the same as the structural installation part of the first cross rod 3, the upper end of the accommodating groove 21 is fixedly connected with, the second spring 8 can fix the picture hanging frame in accommodating groove 21 when losing bracing piece 9, it produces and rocks to have avoided hanging the picture frame at the removal in-process, the upper end fixedly connected with regulation pole 6 of second spring 8, the upper end of accommodating groove 21 articulates there is bracing piece 9, the upper end of bracing piece 9 articulates there is fixture block 91, fixture block 91 is used for the support position of fixed support pole 9 on adjusting pole 6, axle bed 51's side articulates there is kelly 52, the lower extreme joint of kelly 52 has locating hole 322, the fixed surface of kelly 52 is connected with first spring 53, first spring 53 is in tensile state, a position for fixing kelly 52, the lower extreme fixedly connected with cassette 5 of first spring 53, first spring 53 is in tensile state, make kelly 52 have automatic positioning's function, be convenient for use the position of fixed hook seat 4.
Please refer to fig. 2 and 4, the left end of the fixing rod 32 is fixedly connected with the first fastening block 321, the surface contact of the first fastening block 321 is connected with the first sliding slot 31, the first fastening block 321 is made of elastic wear-resistant rubber, the first fastening block 321 is cylindrical, the outer diameter of the first fastening block 321 is larger than the inner diameter of the first sliding slot 31, the first fastening block 321 facilitates fixing the position of the fixing rod 32 in the first sliding slot 31, facilitating the adjustment of the length and the position of the fixing rod 32, facilitating the use, the inside of the first cross rod 3 is provided with two symmetrical first sliding slots 31, the fixing rod 32 is slidably sleeved in the first sliding slot 31, the upper end surface of the fixing rod 32 is provided with positioning holes 322 distributed at equal intervals, the side surface of the fixing rod 32 is provided with a limiting slot 323, the fixing rod 32 is slidably sleeved in the first sliding slot 31, so that the fixing rod 32 has a function of.
Referring to fig. 1 and 3, the side surface of the hook base 4 is fixedly sleeved with a limiting block 42, the limiting block 42 extends into the through hole 41, one end of the limiting block 42 is slidably connected with a limiting groove 323, a rounded corner is formed at one end of the limiting block 42, which is in contact with the limiting groove 323, and the limiting block 42 is clamped in the limiting groove 323, so that the hook base 4 cannot rotate, and has limiting and guiding functions.
Please refer to fig. 5 and 7, the lower end fixedly connected with second fastening block 621 of the telescopic rod 62, the surface contact of the second fastening block 621 is connected with the second chute 61, the material of the second fastening block 621 is elastic wear-resistant rubber, the second fastening block 621 is cylindrical, the outer diameter of the second fastening block 621 is greater than the inner diameter of the second chute 61, the second fastening block 621 is convenient for fixing the position of the telescopic rod 62 in the second chute 61, it is convenient for the telescopic rod 62 to adjust the length position, the material of the fixture block 91 is rubber, the surface of the fixture block 91 is provided with the clamp groove 911, the clamp groove 911 is internally clamped with the adjusting rod 6, the opening size of the clamp groove 911 is smaller than the outer diameter of the adjusting rod 6, the fixture block 91 can be quickly fixed on the surface of the adjusting rod 6, and the.
When the portable hanging picture frame for vocational education is used, four corners of a picture are fixed on four symmetrical hooks 43 arranged on the hanging picture frame, then the positions of the four hooks 43 can be moved to enable the picture to be unfolded thoroughly, the clamping rod 52 is rotated upwards, the clamping rod 52 moves upwards to stretch the first spring 53, the first spring 53 forms stretching elastic force, the clamping rod 52 moves upwards, the lower end of the clamping rod 52 is separated from the positioning hole 322, then the hanging hook seat 4 is moved, the hanging hook seat 4 drives the limiting block 42 to move along the limiting groove 323, the hanging hook seat 4 moves to drive the hooks 43 to move to unfold the picture, the clamping rod 52 is released after the clamping rod 52 moves to a proper position, the clamping rod 52 is pulled downwards by the elastic force, the clamping rod 52 rotates downwards to be clamped into the positioning hole 322 arranged at the position of the fixing rod 32, if the existing width and height are insufficient to unfold the picture thoroughly, the length and the width position of the hanging picture frame need to be, firstly, the telescopic rod 62 is moved upwards, the telescopic rod 62 drives the second fastening block 621 to move upwards along the second sliding groove 61, the telescopic rod 62 is loosened after the position is proper, then the positions of the two symmetrical fixing rods 32 are adjusted, the fixing rods 32 are pulled to move towards the outer sides of the two ends of the first cross rod 3, the fixing rods 32 drive the first fastening block 321 to move along the first sliding groove 31, the fixing rods 32 are loosened after the position is proper, the first fastening block 321 and the second fastening block 621 are made of elastic wear-resistant rubber, the outer diameter of the first fastening block 321 is larger than the inner diameter of the first sliding groove 31 and the inner diameter of the second sliding groove 61, the positions of the fixing rods 32 and the telescopic rod 62 can be automatically fastened, then the length of the second cross rod 7 is adjusted, the operation is carried out according to the step of adjusting the first cross rod 3, the hook seat 4 capable of movably adjusting the positions, the first cross rod 3 capable of adjusting the length, the second cross rod 7 and the, facilitate the use, can be with telescopic link 62 rebound after the use is accomplished, dead lever 32 with the symmetry moves to the intermediate position of first horizontal pole 3, second horizontal pole 7 is packed up with first horizontal pole 3 is the same, then take off the picture and put into storage chamber 13 in, rotate bracing piece 9 right after that, bracing piece 9 rotates right and drives fixture block 91 and rotate right and break away from the surface of adjusting pole 6, second spring 8 releases tensile elasticity makes the hanging picture frame rotate right and fold the income and accomodate the groove 21 in, then cover case lid 12 can, the hanging picture frame that sets up has rotatory folding function, can fold the hanging picture frame and place in accomodating the groove 21, and can place the picture in storage chamber 13, the removal of hanging picture frame and picture of being convenient for is carried, and is convenient for use.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides a portable hanging picture frame for vocational education, includes box (1), its characterized in that: the box is characterized in that a handle (11) is fixedly connected to the left side of the box body (1), a box cover (12) is hinged to the right side of the box body (1), a storage chamber (13) is arranged inside the right end of the box body (1), a base (2) is fixedly connected to the inside of the left end of the box body (1), a storage groove (21) is arranged at the upper end of the base (2), two symmetrical fixed blocks (22) are fixedly connected to the upper end of the storage groove (21), a first cross rod (3) is rotatably sleeved at the middle position of each fixed block (22), two symmetrical fixed rods (32) are slidably sleeved at the two ends of the first cross rod (3), a hook seat (4) is sleeved on the surface of each fixed rod (32) in a sliding manner, a through hole (41) is arranged on each hook seat (4), the fixed rods (32) are slidably sleeved in the through hole (41), a hook (43) is fixedly, side fixedly connected with cassette (5) of couple seat (4), side fixedly connected with axle bed (51) of cassette (5), the upper end fixedly connected with of first horizontal pole (3) adjusts pole (6), be equipped with second spout (61) in adjusting pole (6), telescopic link (62) have been slided in second spout (61) and have cup jointed, the upper end fixedly connected with second horizontal pole (7) of telescopic link (62), second horizontal pole (7) are the same with the structural erection part of first horizontal pole (3), the upper end fixedly connected with second spring (8) of accomodating groove (21), the upper end fixedly connected with of second spring (8) adjusts pole (6), the upper end of accomodating groove (21) articulates there is bracing piece (9), the upper end of bracing piece (9) articulates there is fixture block (91).
2. The wall map frame for vocational education of claim 1, wherein: the left end fixedly connected with first fastening block (321) of dead lever (32), the surface contact of first fastening block (321) is connected with first spout (31), the material of first fastening block (321) is elasticity wear-resisting rubber, first fastening block (321) are cylindrical, the external diameter of first fastening block (321) is greater than the internal diameter of first spout (31).
3. The wall map frame for vocational education of claim 1, wherein: the side of couple seat (4) is fixed to have cup jointed stopper (42), stopper (42) extend to in through-hole (41), the one end sliding connection of stopper (42) has spacing groove (323), the one end that stopper (42) and spacing groove (323) contact has the fillet.
4. The wall map frame for vocational education of claim 1, wherein: the inside of second horizontal pole (7) is equipped with two first spouts (31) of symmetry, slide in first spout (31) and cup jointed dead lever (32), the upper end surface of dead lever (32) is equipped with locating hole (322) that the equidistance distributes, the side of dead lever (32) is equipped with spacing groove (323).
5. The wall map frame for vocational education of claim 1, wherein: the side of axle bed (51) articulates there is kelly (52), the lower extreme joint of kelly (52) has locating hole (322), the fixed surface of kelly (52) is connected with first spring (53), the lower extreme fixedly connected with cassette (5) of first spring (53).
6. The wall map frame for vocational education of claim 1, wherein: the lower extreme fixedly connected with second fastening block (621) of telescopic link (62), the surface contact of second fastening block (621) is connected with second spout (61), the material of second fastening block (621) is elasticity wear-resisting rubber, second fastening block (621) are cylindrical, the external diameter of second fastening block (621) is greater than the internal diameter of second spout (61).
7. The wall map frame for vocational education of claim 1, wherein: the material of fixture block (91) is rubber, the surface of fixture block (91) is equipped with draw-in groove (911), the joint has regulation pole (6) in draw-in groove (911), the opening size of draw-in groove (911) is less than the external diameter of adjusting pole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670093.7U CN211065772U (en) | 2019-05-12 | 2019-05-12 | Portable hanging picture frame for vocational education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670093.7U CN211065772U (en) | 2019-05-12 | 2019-05-12 | Portable hanging picture frame for vocational education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211065772U true CN211065772U (en) | 2020-07-24 |
Family
ID=71620644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920670093.7U Expired - Fee Related CN211065772U (en) | 2019-05-12 | 2019-05-12 | Portable hanging picture frame for vocational education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211065772U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190020A (en) * | 2020-09-30 | 2021-01-08 | 华北理工大学 | Book information storage device |
| CN112863319A (en) * | 2021-02-05 | 2021-05-28 | 淄博职业学院 | Portable hanging chart device for vocational education convenient to adjust |
| CN113593366A (en) * | 2021-07-29 | 2021-11-02 | 孟玲 | Advanced mathematics specialty is with portable teaching auxiliary device |
| CN114617399A (en) * | 2021-12-02 | 2022-06-14 | 江苏禹润水务研究院有限公司 | Portable propaganda device of usefulness is promoted to new material |
-
2019
- 2019-05-12 CN CN201920670093.7U patent/CN211065772U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190020A (en) * | 2020-09-30 | 2021-01-08 | 华北理工大学 | Book information storage device |
| CN112863319A (en) * | 2021-02-05 | 2021-05-28 | 淄博职业学院 | Portable hanging chart device for vocational education convenient to adjust |
| CN113593366A (en) * | 2021-07-29 | 2021-11-02 | 孟玲 | Advanced mathematics specialty is with portable teaching auxiliary device |
| CN114617399A (en) * | 2021-12-02 | 2022-06-14 | 江苏禹润水务研究院有限公司 | Portable propaganda device of usefulness is promoted to new material |
| CN114617399B (en) * | 2021-12-02 | 2023-08-11 | 丽水市南明文化传媒有限公司 | Novel material promotes portable propaganda device of usefulness |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20210512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |