CN212066041U - Textbook support frame is used in teaching - Google Patents
Textbook support frame is used in teaching Download PDFInfo
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- CN212066041U CN212066041U CN202020637999.1U CN202020637999U CN212066041U CN 212066041 U CN212066041 U CN 212066041U CN 202020637999 U CN202020637999 U CN 202020637999U CN 212066041 U CN212066041 U CN 212066041U
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- rods
- telescopic
- sliding
- telescopic arm
- teaching
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Abstract
The utility model provides a textbook support frame is used in teaching. The textbook support frame for teaching comprises an outer frame; a base; the four fixed blocks are respectively and fixedly installed at one end of the telescopic rod, which is positioned outside the first cavity, and the base; the book racks are fixedly sleeved on the corresponding annular rods; the telescopic arms are fixedly sleeved on the corresponding annular rods; the book supporting plate is fixedly arranged at the top of the book frame; the threaded rod is rotatably arranged on the inner wall of the bottom of the telescopic arm; the sliding block is slidably mounted on the inner wall of the telescopic arm and is in threaded connection with the threaded rod; the telescopic U-shaped block is arranged, and the top of the telescopic U-shaped block extends out of the telescopic arm. The utility model provides a textbook support frame for teaching has convenient to use, improves the advantage of learning efficiency.
Description
Technical Field
The utility model relates to a scientific teaching field especially relates to a textbook support frame is used in teaching.
Background
The support frame is through simple supporting structure fixed article, bears weight, alleviates pressure, and in daily life, the head of a family is in order to make the student keep the good of position of sitting in tedious study, places books in the support frame, avoids the long-time low head of student to read, influences health growth.
However, the traditional book support frame only fixes books on the support, and in the long-time learning process of students, students still can bend over due to long-time reading, lie prone on bad sitting postures such as a desktop, and symptoms such as humpback, myopia and the like are caused easily in the past for a long time, so that the body growth of the students is seriously influenced.
Therefore, there is a need to provide a new textbook support for teaching to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an use and reduce the tired textbook support frame for teaching of reading, improve learning efficiency, keep healthy.
In order to solve the technical problem, the utility model provides a textbook support frame is used in teaching includes: a base; the first cavity is formed in the base; the first limiting block is arranged in the first cavity and is in sliding connection with the inner wall of the first cavity; one end of the telescopic rod is fixedly connected with the first limiting block, and the other end of the telescopic rod extends to the outside of the first cavity; the four fixed blocks are respectively and fixedly installed at one end of the telescopic rod, which is positioned outside the first cavity, and the base; the two first cross rods are respectively and fixedly arranged on the outer wall of one side, close to each other, of the corresponding two fixing blocks; the semicircular grooves are respectively formed in the outer walls of the two first cross rods; the two annular rods are respectively sleeved on the two first cross rods in a rotating manner, and two ends of each annular rod are respectively contacted with the outer wall of one side, close to the corresponding two fixed blocks, of each fixed block; the grooves are formed in the inner walls of the two annular rods respectively; one ends of the springs are fixedly arranged on the inner walls of the grooves respectively; the plurality of lugs are respectively installed in the plurality of grooves in a sliding manner and are fixedly connected with one ends of the two corresponding springs; the book racks are fixedly sleeved on the corresponding annular rods; the telescopic arms are fixedly sleeved on the corresponding annular rods; the two second cavities are respectively arranged on the outer walls of the two sides of the book shelf; the two second limiting blocks are respectively arranged in the two second cavities and are respectively connected with the inner walls of the two second cavities in a sliding manner; the two J-shaped rods are respectively arranged on two sides of the book shelf, and one ends of the two J-shaped rods, which are close to each other, extend into the corresponding second cavities and are fixedly connected with the corresponding second limiting blocks; the two sliding rods are respectively installed on the two J-shaped rods in a sliding mode; the two anti-slip pads are fixedly arranged at the bottom ends of the two sliding rods respectively; the two second springs are movably sleeved on the two sliding rods respectively, the bottom ends of the two second springs are fixedly connected with the two anti-skid pads respectively, and the top ends of the two second springs are fixedly connected with the two anti-skid pads respectively; the book supporting plate is fixedly arranged at the top of the book frame; the threaded rod is rotatably arranged on the inner wall of the bottom of the telescopic arm; the first conical gear is fixedly sleeved on the threaded rod; the second cross rod is rotatably arranged on the telescopic arm, one end of the second cross rod extends into the telescopic arm, and the other end of the second cross rod extends out of the telescopic arm; the second bevel gear is fixedly sleeved on one end of the second cross rod, which is positioned in the telescopic arm, and the first bevel gear is meshed with the second bevel gear; the sliding block is slidably mounted on the inner wall of the telescopic arm and is in threaded connection with the threaded rod; the telescopic U-shaped block is fixedly arranged at the top of the sliding block, and the top of the telescopic U-shaped block extends out of the telescopic arm; and the anti-collision block is fixedly arranged at the top of the telescopic U-shaped block.
Preferably, through holes are formed in the two J-shaped rods, and the two sliding rods respectively penetrate through the two through holes and are in sliding connection with the inner walls of the through holes.
Preferably, the top ends of the two sliding rods are respectively fixedly provided with a handle block.
Preferably, a knob is fixedly mounted at one end of the second cross rod, which is located outside the telescopic arm.
Preferably, a threaded hole is formed in the sliding block, and the threaded rod penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.
Preferably, the bottom inner wall of the telescopic arm is provided with a concave hole, the bottom fixing sleeve of the threaded rod is provided with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the concave hole.
Compared with the prior art, the utility model provides a textbook support frame is used in teaching has following beneficial effect:
the utility model provides a textbook support frame is used in teaching, fix books frame and flexible arm on suitable angle, place books on the books layer board, and fix the both sides page extrusion respectively on J type pole, thereby books of various sizes can be placed to scalable regulation of two J type poles, the fixed angle of books can make the student be unlikely to long-time low head, through adjusting the telescopic link, can make student's health and desktop keep the best distance, adjust knob, make flexible U type piece extend flexible arm, make the anticollision piece support in student's chest, can make the student still keep the position of sitting of straight back in long-time study, thereby improve learning efficiency, keep healthy.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a textbook support frame for teaching according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B shown in FIG. 2;
FIG. 4 is a side cross-sectional view of the book stand of FIG. 1;
FIG. 5 is a side cross-sectional view of the telescoping arm shown in FIG. 1;
fig. 6 is a front view of the textbook support frame for teaching of the present invention in an expanded state.
Reference numbers in the figures: 1, a base, 2, a first cavity, 3, a first limit block, 4, a telescopic rod, 5, a fixed block, 6, a first cross rod, 7, a semicircular groove, 8, an annular rod, 9, a groove, 10, a first spring, 11, a convex block, 12, a book rack, 13, a telescopic arm, 14, a second cavity, 15, a second limit block, 16, a J-shaped rod, 17, a sliding rod, 18, an anti-skid pad, 19, a second spring, 20, a book support, 21, a threaded rod, 22, a first bevel gear, 23, a second cross rod, 24, a second bevel gear, 25, a sliding block, 26, a telescopic U-shaped block, 27 and an anti-collision block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1-6, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a textbook support frame for teaching according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 2; FIG. 4 is a side cross-sectional view of the book stand of FIG. 1; FIG. 5 is a side cross-sectional view of the telescoping arm shown in FIG. 1; fig. 6 is a front view of the textbook support frame for teaching of the present invention in an expanded state. Textbook support frame for teaching includes: a base 1; the first cavity 2 is arranged in the base 1; the first limiting block 3 is arranged in the first cavity 2, and the first limiting block 3 is connected with the inner wall of the first cavity 2 in a sliding manner; one end of the telescopic rod 4 is fixedly connected with the first limiting block 3, and the other end of the telescopic rod 4 extends to the outside of the first cavity 2; the four fixing blocks 5 are respectively and fixedly installed on one end of the telescopic rod 4, which is positioned outside the first cavity 2, and the base 1; the two first cross rods 6 are respectively and fixedly arranged on the outer wall of one side, close to each other, of the two corresponding fixed blocks 5; the plurality of semicircular grooves 7 are formed in the outer walls of the two first cross rods 6 respectively; the two annular rods 8 are respectively sleeved on the two first cross rods 6 in a rotating manner, and two ends of each annular rod 8 are respectively contacted with the outer wall of one side, close to the corresponding two fixed blocks 5, of each fixed block 5; the grooves 9 are respectively formed in the inner walls of the two annular rods 8; one ends of the springs 10 are fixedly arranged on the inner walls of the grooves 9 respectively; the lugs 11 are respectively installed in the grooves 9 in a sliding manner, and the lugs 11 are fixedly connected with one ends of the two corresponding springs 10; the book shelf 12 is fixedly sleeved on the corresponding annular rod 8; the telescopic arms 13 are fixedly sleeved on the corresponding annular rods 8; the two second cavities 14 are respectively arranged on the outer walls of the two sides of the book shelf 12; the two second limiting blocks 15 are respectively arranged in the two second cavities 14, and the two second limiting blocks 15 are respectively connected with the inner walls of the two second cavities 14 in a sliding manner; the two J-shaped rods 16 are respectively arranged at two sides of the book shelf 12, and the ends, close to each other, of the two J-shaped rods extend into the corresponding second cavities 14 and are fixedly connected with the corresponding second limiting blocks 15; two sliding rods 17, wherein the two sliding rods 17 are respectively installed on the two J-shaped rods 16 in a sliding manner; the two anti-skid pads 18 are respectively fixedly arranged at the bottom ends of the two sliding rods 17; the two second springs 19 are respectively movably sleeved on the two sliding rods 17, the bottom ends of the two second springs 19 are respectively fixedly connected with the two anti-skid pads 18, and the top ends of the two second springs 19 are respectively fixedly connected with the two anti-skid pads 16; the book supporting plate 20 is fixedly arranged at the top of the book shelf 12; the threaded rod 21 is rotatably arranged on the inner wall of the bottom of the telescopic arm 13; the first bevel gear 22 is fixedly sleeved on the threaded rod 21; the second cross bar 23 is rotatably mounted on the telescopic arm 13, one end of the second cross bar 23 extends into the telescopic arm 13, and the other end of the second cross bar 23 extends out of the telescopic arm 13; the second bevel gear 24 is fixedly sleeved on one end of the second cross rod 23 positioned in the telescopic arm 13, and the first bevel gear 22 is meshed with the second bevel gear 24; the sliding block 25 is slidably mounted on the inner wall of the telescopic arm 13 and is in threaded connection with the threaded rod 21; the telescopic U-shaped block 26 is fixedly arranged at the top of the sliding block 25, and the top of the telescopic U-shaped block 26 extends out of the telescopic arm 13; and the anti-collision block 27 is fixedly arranged at the top of the telescopic U-shaped block 26.
Through holes are formed in the two J-shaped rods 16, and the two sliding rods 17 penetrate through the two through holes and are connected with the inner walls of the through holes in a sliding mode.
The top ends of the two sliding rods 17 are respectively fixedly provided with a portable block.
A knob is fixedly arranged at one end of the second cross rod 23, which is positioned outside the telescopic arm 13
Threaded holes are formed in the sliding blocks 25, and the threaded rods 21 penetrate through the threaded holes and are screwed with the inner walls of the threaded holes.
The bottom inner wall of the telescopic arm 13 is provided with a concave hole, the bottom fixing sleeve of the threaded rod 21 is provided with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the concave hole.
The utility model provides a teaching is with principle of operation of textbook support frame as follows:
when the book shelf is used, the book shelf 12 and the telescopic arm 13 are rotated under the action of the corresponding annular rods 8 by applying force to the book shelf 12 and the telescopic arm 13, the plurality of lugs 11 extend into the plurality of semicircular grooves 7 in the rotating process due to the action of the plurality of first springs 10 in the plurality of grooves 9 on the plurality of lugs 11 to achieve the fixing effect, when the force is continuously applied, the inner walls of the plurality of semicircular grooves 7 extrude the plurality of lugs 11 to enable the plurality of lugs 11 to shrink into the plurality of grooves 9, so that the book shelf 12 and the telescopic arm 13 continuously rotate to finally achieve the effect of adjusting the fixed angle, when the book shelf 12 is adjusted to a proper angle, books are placed on the book supporting plate 20, pages on two sides are extruded on the J-shaped rods 16 through the two second springs 19 and the two anti-skid pads 18, the books are fixedly placed on the book shelf 12, and the second cross rod 23 is rotated through forward rotation of the knob, the first bevel gear 22 and the second bevel gear 24 which are meshed with each other are driven to rotate, the threaded rod 21 is driven to rotate, the sliding block 25 is installed on the threaded rod 21 through threads to move upwards, the effect that the telescopic U-shaped block 26 extends out of the telescopic arm 13 is finally achieved, and in the same way, the knob is rotated, the telescopic U-shaped block 26 is finally contracted back into the telescopic arm, and therefore the effect of height adjustment is achieved.
Compared with the prior art, the utility model provides a textbook support frame is used in teaching has following beneficial effect:
the utility model provides a textbook support frame is used in teaching, fix books frame 12 and flexible arm 13 on suitable angle, place books on books layer board 20, and fix the both sides page extrusion respectively on J type pole 16, thereby books of various sizes can be placed to 16 scalable regulations in two J type poles, the fixed angle of books can make the student be unlikely to long-time low head, through adjusting telescopic link 4, can make student's health and desktop keep the best distance, adjust knob, make flexible U type piece 26 extend flexible arm 13, make anticollision piece 27 support in student's chest, can make the student still keep the position of sitting at straight back in long-time study, thereby improve learning efficiency, keep healthy.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a textbook support frame is used in teaching which characterized in that includes:
a base;
the first cavity is formed in the base;
the first limiting block is arranged in the first cavity and is in sliding connection with the inner wall of the first cavity;
one end of the telescopic rod is fixedly connected with the first limiting block, and the other end of the telescopic rod extends to the outside of the first cavity;
the four fixed blocks are respectively and fixedly installed at one end of the telescopic rod, which is positioned outside the first cavity, and the base;
the two first cross rods are respectively and fixedly arranged on the outer wall of one side, close to each other, of the corresponding two fixing blocks;
the semicircular grooves are respectively formed in the outer walls of the two first cross rods;
the two annular rods are respectively sleeved on the two first cross rods in a rotating manner, and two ends of each annular rod are respectively contacted with the outer wall of one side, close to the corresponding two fixed blocks, of each fixed block;
the grooves are formed in the inner walls of the two annular rods respectively;
one ends of the springs are fixedly arranged on the inner walls of the grooves respectively;
the plurality of lugs are respectively installed in the plurality of grooves in a sliding manner and are fixedly connected with one ends of the two corresponding springs;
the book racks are fixedly sleeved on the corresponding annular rods;
the telescopic arms are fixedly sleeved on the corresponding annular rods;
the two second cavities are respectively arranged on the outer walls of the two sides of the book shelf;
the two second limiting blocks are respectively arranged in the two second cavities and are respectively connected with the inner walls of the two second cavities in a sliding manner;
the two J-shaped rods are respectively arranged on two sides of the book shelf, and one ends of the two J-shaped rods, which are close to each other, extend into the corresponding second cavities and are fixedly connected with the corresponding second limiting blocks;
the two sliding rods are respectively installed on the two J-shaped rods in a sliding mode; the two anti-slip pads are fixedly arranged at the bottom ends of the two sliding rods respectively;
the two second springs are movably sleeved on the two sliding rods respectively, the bottom ends of the two second springs are fixedly connected with the two anti-skid pads respectively, and the top ends of the two second springs are fixedly connected with the two anti-skid pads respectively;
the book supporting plate is fixedly arranged at the top of the book frame;
the threaded rod is rotatably arranged on the inner wall of the bottom of the telescopic arm;
the first conical gear is fixedly sleeved on the threaded rod;
the second cross rod is rotatably arranged on the telescopic arm, one end of the second cross rod extends into the telescopic arm, and the other end of the second cross rod extends out of the telescopic arm;
the second bevel gear is fixedly sleeved on one end of the second cross rod, which is positioned in the telescopic arm, and the first bevel gear is meshed with the second bevel gear;
the sliding block is slidably mounted on the inner wall of the telescopic arm and is in threaded connection with the threaded rod; the telescopic U-shaped block is fixedly arranged at the top of the sliding block, and the top of the telescopic U-shaped block extends out of the telescopic arm;
and the anti-collision block is fixedly arranged at the top of the telescopic U-shaped block.
2. The textbook support frame for teaching of claim 1, wherein through holes are formed in both of the J-shaped rods, and the two sliding rods respectively penetrate through the two through holes and are slidably connected with the inner walls of the through holes.
3. The textbook support for teaching of claim 2, wherein a carrying block is fixedly mounted to the top ends of the two sliding bars, respectively.
4. The textbook support frame for teaching of claim 3, wherein a knob is fixedly mounted on one end of the second cross bar located outside the telescopic arm.
5. The textbook support frame for teaching of claim 1, wherein the sliding block is provided with a threaded hole, and the threaded rod penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.
6. The textbook support frame for teaching of claim 5, wherein a concave hole is formed in the bottom inner wall of the telescopic arm, a bearing is fixedly sleeved at the bottom end of the threaded rod, and the outer ring of the bearing is fixedly connected with the inner wall of the concave hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637999.1U CN212066041U (en) | 2020-04-24 | 2020-04-24 | Textbook support frame is used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637999.1U CN212066041U (en) | 2020-04-24 | 2020-04-24 | Textbook support frame is used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212066041U true CN212066041U (en) | 2020-12-04 |
Family
ID=73596101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020637999.1U Expired - Fee Related CN212066041U (en) | 2020-04-24 | 2020-04-24 | Textbook support frame is used in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212066041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081432A (en) * | 2021-04-26 | 2021-07-09 | 艾斯卡尔江·麦木提明 | Humpback corrector |
-
2020
- 2020-04-24 CN CN202020637999.1U patent/CN212066041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081432A (en) * | 2021-04-26 | 2021-07-09 | 艾斯卡尔江·麦木提明 | Humpback corrector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210424 |