CN206765617U

CN206765617U - A kind of special page fixing device of used in English writing

Info

Publication number: CN206765617U
Application number: CN201720231686.4U
Authority: CN
Inventors: 璧甸福; 赵一鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-10
Filing date: 2017-03-10
Publication date: 2017-12-19
Anticipated expiration: 2027-03-10

Abstract

The utility model discloses a kind of special page fixing device of used in English writing, including clipboard, device groove, telescope support, depression bar, rotating shaft, gear hole, compression spring and rotating handles, the both sides of the clipboard are all provided with device groove, rotating shaft is provided with by bearing inside described device groove, and all fixed external gear in the both ends of rotating shaft, one end of the rotating shaft is through device groove, the external gear opening position at the rotating shaft both ends is all fixed with telescope support, the tail end of telescope support is provided with and the intermeshing internal gear of external gear, the middle position of the clipboard is provided with rectangular channel, compression spring is all installed on the inwall at rectangular channel both ends, and the bottom of compression spring both sides rectangular channel is provided with chute, the elastic force output end of the compression spring is fixed with baffle plate, and the both sides of baffle plate bottom are fixed with the sliding block to be cooperated with chute.The utility model can not only fix page, simple to operate, and can protect books, and writing is convenient.

Description

A kind of special page fixing device of used in English writing

Technical field

It the utility model is related to special page fixing engineering device technique field, specially a kind of special page fixing device of used in English writing.

Background technology

As English is more and more common, study of the people for English also increasingly strengthens, and used in English writing is in English study A very important link.Need often to stir page when used in English writing is practised, it is so very inconvenient, so people Often push down books with weight, although serving some effects, actual use when exist inconvenience, have impact on study Efficiency, student is when carrying out used in English writing exercise sometimes, it is also desirable to books, another holding pen are lived by a hand pressure, so as to The writing of student is influenceed, existing solution method is usually to flatten page, and this mode easily causes page and wears or damage.

Utility model content

The purpose of this utility model is to provide a kind of used in English writing special page fixing device, to solve in above-mentioned background technology The problem of proposition.

To achieve the above object, the utility model provides following technical scheme：A kind of special page fixing device of used in English writing, bag Clipboard, telescope support, depression bar, rotating shaft, compression spring, device groove and gear hole are included, the both sides of the clipboard are all provided with dress Put groove, the outside of device groove one end is provided with gear hole, and rotating shaft, and the both ends of rotating shaft are provided with by bearing inside described device groove All fixed external gear, one end of the rotating shaft is through device groove, and rotating shaft is located on the outside of device groove by neck activity installation There is a rotating handles, the junction of rotating handles and rotating shaft is provided with ring gear, and the external gear opening position at the rotating shaft both ends is all fixed There is a telescope support, and the upper surface of telescope support front end is fixed with depression bar, the tail end of telescope support is provided with mutual with external gear The internal gear of engagement, the middle position of the clipboard are provided with rectangular channel, compression are all provided with the inwall at rectangular channel both ends Spring, and the bottom of compression spring both sides rectangular channel is provided with chute, the elastic force output end of the compression spring is fixed with baffle plate, and The both sides of baffle plate bottom are fixed with the sliding block to be cooperated with chute.

Preferably, the axis of the ring gear overlaps with the axis of gear hole.

Preferably, the rotating shaft runs through telescope support and gear, and the axis of internal gear overlaps with the axis of rotating shaft.

Preferably, the depression bar is L-shaped, and the one end of depression bar away from telescope support is fixed with cushion pad.

Preferably, the section of the chute is trapezoidal.

Compared with prior art, the beneficial effects of the utility model are：By the dress that clamping books are set among clipboard The compression spring on top, for the fixation on books dress top, by telescope support of the clipboard both sides with depression bar to books two The page of side is pressed, and can be unclamped and compress by rotation shaft regulated its, easy to use, realizes the pressing of books, from And it is easy to the writing of English, while the length of telescope support by pull telescope support, can be adjusted, consequently facilitating to not of the same race Class, various sizes of books are fixed, practical.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is ratcheting structure schematic diagram of the present utility model；

Fig. 3 is side view of the present utility model；

Fig. 4 is pivot structure schematic diagram of the present utility model；

Fig. 5 is rectangular channel internal structure schematic diagram of the present utility model；

Fig. 6 is the sectional view of chute of the present utility model.

In figure：1- clipboards；2- telescope supports；3- depression bars；4- rotating shafts；5- baffle plates；6- compression springs；7- internal gears；8- External gear；9- device grooves；10- dovetail grooves；11- gear holes；12- ring gears；13- rotating handleses；14- chutes.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-6, a kind of embodiment provided by the utility model：A kind of special page fixing device of used in English writing, including Clipboard 1, telescope support 2, depression bar 3, rotating shaft 4, compression spring 6, device groove 9 and gear hole 11, the both sides of clipboard 1 are all provided with Device groove 9, the outside of the one end of device groove 9 are provided with gear hole 11, and rotating shaft 4, and rotating shaft 4 are provided with by bearing inside device groove 9 The all fixed external gear 8 in both ends, one end of rotating shaft 4 is through device groove 9, and one end that rotating shaft 4 be located on the outside of device groove 9 passes through Neck is movably installed with rotating handles 13, and rotating handles 13 and the junction of rotating shaft 4 are provided with ring gear 12, and the axis of ring gear 12 Line overlaps with the axis of gear hole 11, and the opening position of external gear 8 at the both ends of rotating shaft 4 is all fixed with telescope support 2, and telescope support The upper surface of 2 front ends is fixed with depression bar 3, and depression bar 3 is L-shaped, and the one end of depression bar 3 away from telescope support 2 is fixed with cushion pad, The tail end of telescope support 2 is provided with internal gear 7 intermeshing with external gear 8, and rotating shaft 4 runs through telescope support 2 and internal gear 7, And the axis of internal gear 7 overlaps with the axis of rotating shaft 4, the middle position of clipboard 1 is provided with rectangular channel 10,10 liang of rectangular channel Compression spring 6 is all installed on the inwall at end, and the bottom of the both sides rectangular channel 10 of compression spring 6 is provided with chute 14, chute 14 Section is trapezoidal, and the elastic force output end of compression spring 6 is fixed with baffle plate 5, and the both sides of the bottom of baffle plate 5 are fixed with and the phase of chute 14 The sliding block mutually coordinated.

Operation principle：It will copy and be originally placed on clipboard 1 first, gear is promoted using the compression spring 6 of the bottom of clipboard 1 Plate 5, so as to copy this binding end clamp, at this moment depression bar 3 be in the upright position of board 1, open page after, when need Clamp and copy this when, both ends all rotate rotating handles 13, and power is transferred to rotating shaft 4 through bearing, drives the external tooth in rotating shaft 4 Wheel 8 is ratcheting with internal gear 7, so as to drive the rotation of the upperpush rod 3 of telescope support 2, promotes rotating handles 13, ratcheting by ring gear 12 Gear hole 11, which is realized, clamps page, when needing page turning, first pulls out the rotating handles 13 for wanting page turning end, opposite direction is rotated to book After page can stir, rotate forward to page is clamped, promote rotating handles 13, be rotated further by other end rotating handles 13, treat that page turns over During to 3 lower section of depression bar, rotating handles 13 is rotated forward, realizes and clamps page, this when is copied when our needs change, passes through to pull and press Bar 3, the length of adjustable and retractable support 2.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims

1. a kind of special page fixing device of used in English writing, including clipboard (1), telescope support (2), depression bar (3), rotating shaft (4), compression Spring (6), device groove (9) and gear hole (11), it is characterised in that：The both sides of the clipboard (1) are all provided with device groove (9), The outside of device groove (9) one end is provided with gear hole (11), and described device groove (9) is internal to be provided with rotating shaft (4) by bearing, and turns The both ends of axle (4) are all fixed with external gear (8), and one end of the rotating shaft (4) is through device groove (9), and rotating shaft (4) is positioned at dress Put one end on the outside of groove (9) and rotating handles (13), rotating handles (13) and the junction of rotating shaft (4) are movably installed with by neck Ring gear (12) is installed, external gear (8) opening position at rotating shaft (4) both ends is all fixed with telescope support (2), and telescope support (2) upper surface of front end is fixed with depression bar (3), and the tail end of telescope support (2) is provided with and external gear (8) intermeshing internal tooth Take turns (7), the middle position of the clipboard (1) is provided with rectangular channel (10), is all provided with the inwall at rectangular channel (10) both ends Compression spring (6), and the bottom of compression spring (6) both sides rectangular channel (10) is provided with chute (14), the bullet of the compression spring (6) Power output end is fixed with baffle plate (5), and the both sides of baffle plate (5) bottom are fixed with the sliding block to be cooperated with chute (14).

A kind of 2. special page fixing device of used in English writing according to claim 1, it is characterised in that：In the ring gear (12) Axis overlaps with the axis of gear hole (11).

A kind of 3. special page fixing device of used in English writing according to claim 1, it is characterised in that：The rotating shaft (4) is run through Telescope support (2) and gear (7), and the axis of internal gear (7) overlaps with the axis of rotating shaft (4).

A kind of 4. special page fixing device of used in English writing according to claim 1, it is characterised in that：The depression bar (3) is in L Type, and the one end of depression bar (3) away from telescope support (2) is fixed with cushion pad.

A kind of 5. special page fixing device of used in English writing according to claim 1, it is characterised in that：The chute (14) is cut Face is trapezoidal.