CN203860703U - Adjustable book reading stand - Google Patents

Abstract

An adjustable book reading stand comprises a book bearing plate, a supporting leg arranged on the back face of the book bearing plate, two adjustable book clamps transversely, movably and adjustably arranged on the front face of the book bearing plate, and a book supporting mechanism arranged in the middle of the front face of the book bearing plate and used for bearing the bottom of a book. The book supporting mechanism comprises a slide hole formed in the middle of the book bearing plate and vertically extending, a book supporting frame vertically and movably matched with and arranged on the slide hole, a barb rack arranged on the book bearing plate and vertically extending, barbs movably arranged on the book supporting frame and capable of being meshed with the barb rack, and an elastic piece arranged between the barbs and the book supporting frame and keeping the barbs and the barb rack meshed. The adjustable book reading stand has the advantages of being simple in structure, convenient to adjust, high in adaptability and the like.

Description

A kind of adjustable reading-rack

Technical field

The utility model relates to a kind of adjustable reading-rack.

Background technology

In order to correct teen-age reading posture, prevent adolescent myopia, obtain cervical spondylopathy, the problems such as lumbar vertebra disease, the reading-rack of existing various rectification use in the market, if publication number is the disclosed a kind of apparatus for reading books of CN101152041A, specifically disclose and hold book plate, be arranged on the feet that holds book backboard face, adjustable transverse shifting regulates to be arranged on and holds two book clamps in book plate front and be arranged on the book supporting board that holds book plate bottom, its book supporting board of the apparatus for reading books of said structure can not up-down adjustment, cannot adapt to the books of different sizes, bad adaptability, the adjusting of its feet is very inconvenient in addition.

Summary of the invention

The purpose of this utility model is for the deficiencies in the prior art, and a kind of simple in structure, easy to adjust, adaptable adjustable reading-rack is provided.

The purpose of this utility model realizes by following technical solution:

A kind of adjustable reading-rack, comprise and hold book plate, be arranged on the feet that holds book backboard face, adjustable transverse shifting regulates and is arranged on two book clamps that hold book plate front, it is characterized in that: also comprise being arranged at and hold the Tuo Shu mechanism of middle part, book plate front for support books bottom, Gai Tuoshu mechanism comprises being formed on holds the vertically extending slide opening in book plate middle part, can vertically be disposed in movably the holder bookshelf on slide opening, be arranged on and hold vertically extending barb tooth bar on book plate, be movably arranged on the barb that can be meshed with tooth bar on holder bookshelf, being arranged between barb and holder bookshelf makes barb keep with tooth bar the elastic component engaging.

Further, described tooth bar comprises and is distributed in two of described holder bookshelf both sides, on corresponding described holder bookshelf, is provided with the described barb being meshed with both sides tooth bar respectively.

Further, described holder bookshelf comprises slide plate, supporting plate, and slide plate is fastened on described slide opening slidably by elastic chuck, and supporting plate is vertically connected on slide plate.

Further, the described middle part, book plate front of holding is formed with vertically extending groove, in groove, be formed with vertically extending chute, described slide opening is formed on chute middle part, described slide block is slidably disposed in chute, described tooth bar is formed on the both sides cell wall of chute, described elastic component one end is connected on holder bookshelf, the other end upwards extends, described barb is formed on the upper end of described elastic component, on described elastic component, be provided with the operating portion of protrusion, can described barb separated operating flexibility part with tooth bar by operating portion.

Further, the back side of holding book plate described in described feet is hinged on by hinge, described hinge comprises the pivot block of holding book backboard face described in being arranged on, be arranged on described feet and be positioned at the pivot block left and right sides biside plate, be horizontally through the pivotal axis of pivot block and biside plate, the opposite face of described side plate and pivot block is formed with respectively location gear ring, described pivot block and biside plate are formed with respectively the resigning hole passing for pivotal axis, described pivotal axis one end is provided with limiting section, and the other end is hinged with the locking member that can swing between locked position and off-position.

The utlity model has following beneficial effect:

The holder bookshelf of Tuo Shu mechanism can regulate vertically, thereby adapts to the books of different sizes, improves adaptability of the present utility model; Coordinated and made to hold in the palm bookshelf adjustments that only can move up by barb tooth bar, barb and elastic component, thereby hold books, adjust downwards while holding in the palm bookshelf when needs, the operating portion of Manual press elastic component makes barb separate with tooth bar, easy to operate; Feet is hinged on the back side of holding books by hinge, the side plate of hinge and the opposite face of pivot block are formed with respectively location gear ring, can make pivotal axis transverse shifting by operation locking member, thereby side plate and pivot block are clamped, under the gear ring effect of location, make the side plate seat that can not be pivoted relative to each other rotate, adjust at any angle and locate thereby realize feet.

Brief description of the drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is front view of the present utility model.

Fig. 2 is rear view of the present utility model.

Fig. 3 is the partial enlarged drawing of Fig. 1.

Fig. 4 is the partial enlarged drawing of Fig. 2.

Detailed description of the invention

Shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of adjustable reading-rack, comprise hold book plate 1, be arranged on hold the feet 4 at book plate 1 back side, adjustable transverse shifting regulate be arranged on hold book plate 1 front two book clamps 2, be arranged at and hold the Tuo Shu mechanism of the positive middle part of book plate 1 for support books bottom, hold book plate 1 front left and right sides and be formed with respectively laterally extending draw-in groove 11, book clamp 2 is provided with to slide and is disposed in the slide block (not shown) in draw-in groove 11.

Hold book plate 1 for working of plastics, its positive middle part is formed with vertically extending groove 12, groove 12 middle parts are formed with vertically extending chute 13, Tuo Shu mechanism comprises holder bookshelf, slide opening 14, barb tooth bar 131, barb 33 and elastic component 34, holder bookshelf forms by being arranged on up or down the slide plate 31 in chute 13 and the supporting plate 32 being vertically set on slide plate 31, slide opening 14 is formed on the middle part of chute 13 and vertically extends, on slide plate 31, be provided with through slide opening 14 and be fastened on the dop 312 that holds book plate 1 back side, barb tooth bar 131 is formed on the left and right sides cell wall of chute 13 and vertically and extends, elastic component 34 lower ends are connected on supporting plate 32, the upper end extension that is inclined upwardly, barb 33 is formed on the upper end of elastic component 34 and engages with tooth bar 131, on elastic component 34, be formed with the operating portion 341 of protrusion, wherein, slide plate 31, supporting plate 32, elastic component 34 and barb 33 integrated injection moldings, on slide plate 31, be formed with antislip cog 311, when operation, upwards push away capable of regulating slide plate 31 and move up by pressing antislip cog 311, make barb 33 separate then drag down with tooth bar 131 can to make slide plate 31 be moved downward to target location by pressing the operating portion 341 of elastic component 34, then unclamp operation portion 341 can make barb 33 recover engage with tooth bar 131, thereby clamps slide plate 31.

Feet 4 is hinged on the back side of holding book plate 1 by hinge, hinge comprises and is arranged on the pivot block 41 of holding book plate 1 back side, be arranged on feet 4 and be positioned at the biside plate 42 of pivot block 41 left and right sides, be horizontally through the pivotal axis 43 of pivot block 41 and biside plate 42, side plate 42 is formed with respectively location gear ring 45 with the opposite face of pivot block 41, pivot block 41 and biside plate 42 are formed with respectively the resigning hole passing for pivotal axis 43, pivotal axis 43 one end are provided with limiting section, the other end is hinged with the locking member 44 that can swing between locked position and off-position, locking member 44 is for having non-circular of handle, it is hinged on pivotal axis 43 by bearing pin, in bearing pin rotation process, can pull pivotal axis 43 transverse shiftings by operation locking member 44, side plate 42 and pivot block 41 are clamped, under gear ring 45 effect of location, make side plate 42 seat 41 that can not be pivoted relative to each other rotate, thereby realizing feet 4 adjusts at any angle and locates,

The above, it is only preferred embodiment of the present utility model, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (5)

1. an adjustable reading-rack, comprise and hold book plate, be arranged on the feet that holds book backboard face, adjustable transverse shifting regulates and is arranged on two book clamps that hold book plate front, it is characterized in that: also comprise being arranged at and hold the Tuo Shu mechanism of middle part, book plate front for support books bottom, Gai Tuoshu mechanism comprises being formed on holds the vertically extending slide opening in book plate middle part, can vertically be disposed in movably the holder bookshelf on slide opening, be arranged on and hold vertically extending barb tooth bar on book plate, be movably arranged on the barb that can be meshed with tooth bar on holder bookshelf, being arranged between barb and holder bookshelf makes barb keep with tooth bar the elastic component engaging.

2. the adjustable reading-rack of one according to claim 1, is characterized in that: described tooth bar comprises and is distributed in two of described holder bookshelf both sides, on corresponding described holder bookshelf, is provided with the described barb being meshed with both sides tooth bar respectively.

3. the adjustable reading-rack of one according to claim 1 and 2, is characterized in that: described holder bookshelf comprises slide plate, supporting plate, and slide plate is fastened on described slide opening slidably by elastic chuck, and supporting plate is vertically connected on slide plate.

4. the adjustable reading-rack of one according to claim 3, it is characterized in that: described in hold book plate front middle part and be formed with vertically extending groove, in groove, be formed with vertically extending chute, described slide opening is formed on chute middle part, slide block is slidably disposed in chute, described tooth bar is formed on the both sides cell wall of chute, described elastic component one end is connected on holder bookshelf, the other end upwards extends, described barb is formed on the upper end of described elastic component, on described elastic component, be provided with the operating portion of protrusion, can described barb be separated operating flexibility part with tooth bar by operating portion.

5. the adjustable reading-rack of one according to claim 1 and 2, it is characterized in that: the back side of holding book plate described in described feet is hinged on by hinge, described hinge comprises the pivot block of holding book backboard face described in being arranged on, be arranged on described feet and be positioned at the biside plate of the pivot block left and right sides, be horizontally through the pivotal axis of pivot block and biside plate, the opposite face of described side plate and pivot block is formed with respectively location gear ring, described pivot block and biside plate are formed with respectively the resigning hole passing for pivotal axis, described pivotal axis one end is provided with limiting section, the other end is hinged with the locking member that can swing between locked position and off-position.