CN216053461U

CN216053461U - Height-adjustable junior middle school Chinese teaching bookshelf

Info

Publication number: CN216053461U
Application number: CN202122430872.XU
Authority: CN
Inventors: 黎莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-15
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a height-adjustable junior middle school Chinese teaching bookshelf which comprises a bottom frame, wherein a placing plate is movably arranged in the bottom frame, stop rods are movably arranged above the placing plate and close to the front surface and the rear surface, compression rods are movably arranged above the placing plate and close to two sides, a limiting rod is movably embedded in the surface of one side of the bottom frame, a limiting groove is formed in the surface of the limiting rod, threaded holes are formed in the surfaces of two sides of the placing plate and close to the front surface, through holes are formed in the surfaces of two sides of the bottom frame and close to the front surface, and a threaded rotary rod is movably embedded in the surface of the other side of the bottom frame. The height-adjustable junior middle school Chinese teaching bookshelf can clamp the bonding position in the middle of a book when the book is clamped, improves the stability of clamping the book, and can directly fix the placing plate when the height of the placing plate is adjusted, so that the placing plate can be quickly adjusted and fixed.

Description

Height-adjustable junior middle school Chinese teaching bookshelf

Technical Field

The utility model relates to the field of teaching bookshelves, in particular to a height-adjustable junior middle school Chinese teaching bookshelf.

Background

The teaching is a unique talent culture activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planishing and organized guide the students to study and master the cultural science knowledge and skill, promote the quality improvement of the students, enable the students to become people needed by the society, and often need to use a portable reading bookshelf for Chinese teaching in the process of the Chinese teaching;

the publication number is: CN213282007U, a portable reading bookshelf is used in chinese teaching of publication, though solved to a certain extent and mentioned "the device structure commonly used comparatively fixed volume is great in the description background art," it is comparatively inconvenient in the in-process is deposited in the transportation, and the device commonly used can not be according to the actual size of books mostly, it is fixed to carry out effectual centre gripping to books, lead to mr to drop easily at the in-process books that use, the teacher's of being not convenient for teaching use "problem, but still there is certain drawback when using, when carrying out the centre gripping of books, fix books through centre gripping books both ends, bonding department in the middle of easily rocks, the stability of centre gripping is not high, and when adjusting the height of placing the board, the process is loaded down with trivial details, need firstly stimulate and place the board, pass through bolt-up with the movable block again, can not directly will place the board fixed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a height-adjustable junior middle school Chinese teaching bookshelf which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a height-adjustable's junior middle school chinese teaching bookshelf, includes the underframe, the inside movable mounting of underframe has places the board, place the board top and be close front surface and rear surface department movable mounting have the pin, it is close both sides department movable mounting and has the depression bar to place the board top, underframe one side surface activity embedding installs the gag lever post, the spacing groove has been seted up on the gag lever post surface, it is close the front surface department and all seted up threaded hole to place board both sides surface.

Preferably, the positions, close to the front surface, of the surfaces of the two sides of the bottom frame are provided with through holes, the surface of the other side of the bottom frame is movably embedded with a threaded rotating rod, and the threaded rotating rod and the limiting rod penetrate through the through holes and are movably connected with the threaded holes.

Preferably, the surface of the threaded hole on one side of the placing plate and the surface of the through hole on one side of the bottom frame are fixedly provided with limiting strips, the limiting strips pass through the limiting grooves and the limiting rods in movable connection, and the threaded rotary rod and the limiting rods are in movable connection with the through holes.

Preferably, place board both sides surface and seted up No. two and accomodate the hole, No. two accomodate the inside activity embedding in hole and install the hollow tube, hollow tube one end fixed mounting has the telescopic link, telescopic link internally mounted has miniature spring, telescopic link one end with depression bar fixed connection, the depression bar lower surface is close one end department fixed mounting has the block rubber.

Preferably, place the board front surface and all seted up one number and accomodate the hole with the rear surface, place board front surface and rear surface and all seted up the hole, accomodate downthehole portion activity embedding and install the screw thread hollow tube for one number, screw thread hollow tube one end movable mounting has the regulating plate, the regulation hole has been seted up on the regulating plate surface, the bolt is installed in the activity embedding of regulating plate surface, the bolt runs through the regulation hole with screw thread hollow tube swing joint.

Preferably, the regulating plate with pin fixed connection, the screw thread hollow tube with the equal fixed mounting in the inside side surface of hollow tube has the spring, spring one end respectively with a take in the hole with No. two take in hole fixed connection.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the limiting rod is moved out of the threaded hole, the limiting strip in the threaded hole is separated from the limiting groove, the height of the placing plate is adjusted, then the limiting rod is inserted into the threaded hole, the limiting strip is inserted into the limiting groove, so that the placing plate can be directly fixed when the height of the placing plate is adjusted, the placing plate can be quickly adjusted and fixed, then a book is opened and placed on the surface of the placing plate, the stop rod is pulled, the bolt is screwed out, the height of the adjusting plate is adjusted through the adjusting hole, the stop rod can press the middle of the book, the bolt is reset, the threaded hollow tube is pulled according to the size of the book, the stop rod can be suitable for books with different sizes, and similarly, the telescopic rod is downwards contracted under the action of the micro spring, the two ends of the book are pressed by the pressing rod, the hollow tube is pulled, the pressing rod can be suitable for the books with different sizes, when the books are clamped, also carry out the centre gripping with the bonding department in the middle of the books, improve the stability of books centre gripping, after the use, rotatory screw thread hollow tube makes inside the pin inserts the hole, makes it be convenient for accomodate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a height-adjustable junior middle school Chinese teaching bookshelf according to the present invention;

FIG. 2 is a view showing a disassembled structure of a height-adjustable junior middle school Chinese teaching bookshelf according to the present invention;

FIG. 3 is a cross-sectional view of a height-adjustable junior middle school Chinese teaching bookshelf in accordance with the present invention;

fig. 4 is an enlarged view of the height-adjustable junior middle school Chinese teaching bookshelf shown in fig. 2 at a.

In the figure: 1. a bottom frame; 101. a through hole; 2. placing the plate; 201. a first receiving well; 202. a hole; 203. a second receiving hole; 204. a threaded hole; 205. a limiting strip; 3. a stop lever; 301. an adjusting plate; 302. an adjustment hole; 303. a threaded hollow tube; 304. a spring; 305. a bolt; 4. a pressure lever; 401. a rubber block; 402. a telescopic rod; 403. a micro-spring; 404. a hollow tube; 5. a limiting rod; 501. a limiting groove; 502. a threaded screw rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

as shown in fig. 1-4, a height-adjustable junior middle school Chinese teaching bookshelf comprises a bottom frame 1, wherein a placing plate 2 is movably arranged in the bottom frame 1, stop rods 3 are movably arranged above the placing plate 2 and close to the front surface and the rear surface, compression rods 4 are movably arranged above the placing plate 2 and close to two sides, a limiting rod 5 is movably embedded in the surface of one side of the bottom frame 1, a limiting groove 501 is formed in the surface of the limiting rod 5, and threaded holes 204 are formed in the surface of two sides of the placing plate 2 and close to the front surface;

through holes 101 are formed in the positions, close to the front surface, of the two side surfaces of the bottom frame 1, a threaded rotary rod 502 is movably embedded and mounted on the other side surface of the bottom frame 1, and the threaded rotary rod 502 and the limiting rod 5 penetrate through the through holes 101 and are movably connected with the threaded holes 204; the surface of the threaded hole 204 on one side of the placing plate 2 and the surface of the through hole 101 on one side of the bottom frame 1 are both fixedly provided with a limiting strip 205, the limiting strip 205 is movably connected with a limiting rod 5 through a limiting groove 501, and both the threaded rotary rod 502 and the limiting rod 5 are movably connected with the through hole 101, so that the placing plate 2 can be directly fixed when the height of the placing plate 2 is adjusted, and the placing plate 2 can be quickly adjusted and fixed; the two side surfaces of the placing plate 2 are provided with a second accommodating hole 203, a hollow pipe 404 is movably embedded in the second accommodating hole 203, one end of the hollow pipe 404 is fixedly provided with a telescopic rod 402, a micro spring 403 is arranged in the telescopic rod 402, one end of the telescopic rod 402 is fixedly connected with a pressure lever 4, and a rubber block 401 is fixedly arranged at one end of the lower surface of the pressure lever 4 close to the lower surface; the front surface and the rear surface of the placing plate 2 are both provided with a first accommodating hole 201, the front surface and the rear surface of the placing plate 2 are both provided with holes 202, a threaded hollow tube 303 is movably embedded and mounted in the first accommodating hole 201, an adjusting plate 301 is movably mounted at one end of the threaded hollow tube 303, an adjusting hole 302 is formed in the surface of the adjusting plate 301, a bolt 305 is movably embedded and mounted on the surface of the adjusting plate 301, and the bolt 305 penetrates through the adjusting hole 302 and is movably connected with the threaded hollow tube 303; regulating plate 301 and pin 3 fixed connection, the equal fixed mounting in inside side surface of screw thread hollow tube 303 and hollow tube 404 has spring 304, spring 304 one end respectively with accomodate hole 201 and No. two accomodate hole 203 fixed connection, when carrying out the centre gripping of books, also carry out the centre gripping with the bonding department in the middle of the books, improve the stability of books centre gripping, after the use, rotatory screw thread hollow tube 303, make inside pin 3 inserts hole 202, make it be convenient for accomodate.

Example two:

it should be noted that, the height-adjustable junior-middle school Chinese teaching bookshelf of the utility model is characterized in that when in use, the limiting rod 5 is moved out from the threaded hole 204, the limiting strip 205 in the threaded hole 204 is separated from the limiting groove 501, the height of the placing plate 2 is adjusted, then the limiting rod 5 is inserted into the threaded hole 204, the limiting strip 205 is inserted into the limiting groove 501, thereby when the height of the placing plate 2 is adjusted, the placing plate 2 can be directly fixed, the placing plate 2 can be quickly adjusted and fixed, then a book is opened and placed on the surface of the placing plate 2, the blocking rod 3 is pulled, the bolt 305 is screwed out, the height of the adjusting plate 301 is adjusted through the adjusting hole 302, the blocking rod 3 can press the middle of the book, the bolt 305 is reset, according to the size of the book, the threaded hollow tube 303 is pulled, the blocking rod 3 can be suitable for books with different sizes, and the same principle, the telescopic rod 402 is downwards contracted under the action of the micro spring 403, make depression bar 4 push down books both ends, pulling hollow tube 404 makes depression bar 4 can be applicable to the books of equidimension not, when carrying out the centre gripping of books, also carries out the centre gripping with the bonding department in the middle of the books, improves the stability of books centre gripping, and after the use, rotatory screw thread hollow tube 303 makes inside pin 3 inserts hole 202, makes it be convenient for accomodate.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a height-adjustable junior middle school chinese teaching bookshelf which characterized in that: including underframe (1), underframe (1) inside movable mounting has places board (2), place board (2) top and be close preceding surface and rear surface department movable mounting have pin (3), place board (2) top and be close both sides department movable mounting have depression bar (4), underframe (1) one side surface activity embedding installs gag lever post (5), spacing groove (501) have been seted up on gag lever post (5) surface, place board (2) both sides surface and be close preceding surface department and all seted up threaded hole (204).

2. The height-adjustable junior middle school chinese teaching bookshelf of claim 1, wherein: bottom frame (1) both sides surface is close front surface department and has all seted up through-hole (101), bottom frame (1) opposite side surface activity embedding is installed screw thread swing arm (502), screw thread swing arm (502) with gag lever post (5) all run through-hole (101) with screw hole (204) swing joint.

3. The height-adjustable junior middle school chinese teaching bookshelf of claim 2, wherein: the surface of a threaded hole (204) on one side of the placing plate (2) and the surface of a through hole (101) on one side of the bottom frame (1) are fixedly provided with a limiting strip (205), the limiting strip (205) is connected with a limiting rod (5) in a movable mode through a limiting groove (501), and a threaded rotary rod (502) is connected with the limiting rod (5) in a movable mode through the through hole (101).

4. The height-adjustable junior middle school chinese teaching bookshelf of claim 3, wherein: place board (2) both sides surface and seted up No. two and accomodate hole (203), No. two accomodate hole (203) inside activity embedding and install hollow tube (404), hollow tube (404) one end fixed mounting has telescopic link (402), telescopic link (402) internally mounted has miniature spring (403), telescopic link (402) one end with depression bar (4) fixed connection, depression bar (4) lower surface is close one end department fixed mounting has rubber block (401).

5. The height-adjustable junior middle school chinese teaching bookshelf of claim 4, wherein: place board (2) front surface and rear surface and all seted up one number and accomodate hole (201), place board (2) front surface and rear surface and all seted up hole (202), accomodate hole (201) inside movable embedding and install screw thread hollow tube (303), screw thread hollow tube (303) one end movable mounting has regulating plate (301), regulating plate (301) surface has been seted up regulation hole (302), bolt (305) is installed in regulating plate (301) surface activity embedding, bolt (305) run through regulation hole (302) with screw thread hollow tube (303) swing joint.

6. The height-adjustable junior middle school chinese teaching bookshelf of claim 5, wherein: regulating plate (301) with pin (3) fixed connection, screw thread hollow tube (303) with the inside equal fixed mounting in a side surface of hollow tube (404) has spring (304), spring (304) one end respectively with a take in hole (201) with No. two take in hole (203) fixed connection.