CN209769511U

CN209769511U - Supporting frame

Info

Publication number: CN209769511U
Application number: CN201920102823.3U
Authority: CN
Inventors: 程兰
Original assignee: HEILONGJIANG INTERNATIONAL UNIVERSITY
Current assignee: HEILONGJIANG INTERNATIONAL UNIVERSITY
Priority date: 2019-01-19
Filing date: 2019-01-19
Publication date: 2019-12-13
Anticipated expiration: 2029-01-19

Abstract

The utility model relates to the technical field of book heat dissipation, in particular to a support frame, which comprises a bottom fixing device, a book bearing device, a rotary lifting device and a rotary fixing device, wherein a slide column is pulled forwards, the slide column drives a gear strip to move forwards to separate from a gear II, a gear shaft is rotated, the gear I drives the bearing plate to rotate through the rotating shaft, at the moment, the angle of the teaching material can be changed, after the angle is adjusted, the screw rod is rotated, the screw rod drives the limiting plate to move through the limiting lug I, the limiting plate drives the teaching material to move up and down, thereby changing the height of the teaching material, the user can read the content on the teaching material when the user turns back while writing on the blackboard, the teaching material is particularly suitable for English teaching, because english is not the native language of us, the user need read while writing when writing english words, just can write out complete english words, and the user only needs the exercise of making diligence just can remember english words thoroughly.

Description

supporting frame

Technical Field

The utility model relates to a books support technical field, more specifically the support frame that says so.

Background

At present, people mostly place books on the desk when reading, the sight of both eyes and books skew, and the time is a long time, will cause tired with the eye, therefore people can hold books in the hand sometimes when reading, but if meet the place that needs to make the mark with the pen still the custom will put books on the desk in the reading process, very troublesome, influence the quality of reading, there is a support frame that patent number is CN201220538314.3 today, including support body and tongs, its characterized in that: the middle of the frame body is provided with a seat, the left side and the right side of the frame body are respectively provided with an adjusting rod along the vertical direction, the adjusting rods can slide up and down relative to the frame body, the frame body is further provided with a knob for adjusting the height of the adjusting rods, 90-degree downward elbows of the grippers are connected with the top ends of the adjusting rods, and the grippers are integrally horizontally placed and can rotate around the adjusting rods. But this utility model can not change the angle of books, and does not have the space that books were stored yet.

disclosure of Invention

the utility model relates to a teaching material supports technical field, more specifically the support frame that says so, bear device, rotate elevating gear and rotate fixing device including bottom fixing device, teaching material, this device possess the space that teaching material stored, and it is spacing for teaching material also to have the limiting plate, plays the effect of support, can also change the angle and the height of teaching material.

The bottom fixing device comprises a bottom plate, a fixing strip I, a fixing strip II, a bearing I, a bearing II, a bearing III, side plates and a supporting plate, wherein the left end and the right end of the bottom plate are fixedly connected with the fixing strip I and the fixing strip II respectively;

The teaching material bearing device comprises a bearing plate, rotating shafts, a gear I, a limiting slideway I, a bearing seat, a screw rod, a limiting lug I and a limiting plate, wherein the left end and the right end of the bearing plate are both fixedly connected with the rotating shafts, the two rotating shafts are respectively and fixedly connected with inner rings of a bearing I and a bearing II, the gear I is fixedly connected onto the rotating shaft at the left end, the limiting slideway I is arranged on the bearing plate, the bearing seat is fixedly connected with the rear end of the limiting slideway I, the screw rod is rotatably connected onto the bearing seat, the limiting lug I is fixedly connected to the lower end of the limiting plate, and the limiting lug I is slidably connected into the limiting slideway;

The rotary lifting device comprises a fixed strip III, a bearing IV, a gear shaft and a gear II, wherein the fixed strip III is fixedly connected above the left end of the bottom plate, the upper end of the fixed strip III is fixedly connected with the outer ring of the bearing IV, the gear II is fixedly connected onto the gear shaft, the left end and the right end of the gear shaft are respectively fixedly connected with the bearing IV and the inner ring of the bearing III, and the gear II is in meshing transmission with the gear I;

rotation fixing device include the fixed plate, spacing slide II, the rack, spacing lug II, the slide, traveller and spring, fixed plate fixed connection is in the rear end of fixed strip I, be provided with spacing slide II on the fixed plate, spacing lug II of fixedly connected with on the rack, spacing lug II sliding connection is in spacing slide II, slide fixed connection is at the front end of fixed plate, rack and traveller fixed connection, traveller and slide sliding connection, the spring is inserted on the traveller and is located between rack and the slide, rack and gear II meshing transmission.

As a further optimization of this technical scheme, the utility model relates to a support frame teaching material bear device still include the handle, handle fixed connection is in the rear end of lead screw.

as a further optimization of this technical scheme, the utility model relates to a support frame rotation elevating gear still include the rocker, rocker fixed connection is at the left end of gear shaft.

As a further optimization of this technical scheme, the utility model relates to a support frame rotation fixing device still include the handle, handle fixed connection is at the front end of traveller.

As a further optimization of the technical scheme, the utility model relates to a support frame the surface of handle on be provided with anti-skidding line.

The utility model relates to a beneficial effect of support frame does:

the teaching material can be stored between the two side plates and the supporting plate, when the teaching material needs to be supported, the teaching material is taken out from the supporting plate and placed on the bearing plate, the rear end of the teaching material is in contact with the front surface of the limiting plate, when the angle of the teaching material needs to be adjusted, the sliding column is pulled forwards, the sliding column drives the gear strip to move forwards, the gear strip at the moment is separated from the gear II, the gear shaft is rotated, the gear I is driven by the gear II to rotate, the bearing plate is driven by the gear I through the rotating shaft to rotate, the angle of the teaching material can be changed, after the angle is adjusted, the sliding column is loosened, the spring extrudes the gear strip backwards by utilizing the elastic potential energy of the spring, the gear strip is meshed with the gear II again, the gear II is fixed, the screw rod is rotated, the screw rod drives the limiting plate to move through the limiting lug I, because the teaching material is in, thereby change the height of teaching material, at this moment the user can accomplish to return when writing on the blackboard and just can see the content on the teaching material, specially adapted english teaching, because english is not our mother tongue, the user need read while writing when writing english word, just can write out complete english word, and the user need through the exercise of making an diligent can the stupid english word.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

fig. 1 is a schematic structural view of a support frame of the present invention;

FIG. 2 is a schematic structural view of a bottom fixing device;

FIG. 3 is a schematic structural view of a teaching material supporting device;

FIG. 4 is a first schematic view of a part of the structure of the teaching material supporting device;

FIG. 5 is a schematic view of a second partial structure of the teaching material supporting device;

FIG. 6 is a schematic view of the rotary lift device;

FIG. 7 is a schematic view of the rotation fixing device;

FIG. 8 is a first view illustrating a partial structure of the rotation fixing device;

fig. 9 is a second partial structural view of the rotation fixing device.

In the figure: a bottom fixture 1; a bottom plate 1-1; fixing strip I1-2; fixing strips II 1-3; bearing I1-4; bearing II 1-5; bearing III 1-6; 1-7 of side plates; 1-8 of a supporting plate; a teaching material bearing device 2; a bearing plate 2-1; 2-2 of a rotating shaft; gear I2-3; a limiting slide way I2-4; 2-5 of a bearing seat; 2-6 parts of a lead screw; the limiting bump I2-7; 2-8 parts of a limiting plate; 2-9 parts of a handle; rotating the lifting device 3; fixing strip III 3-1; bearing IV 3-2; a gear shaft 3-3; gear II 3-4; 3-5 of a rocker; a rotating fixture 4; a fixing plate 4-1; a limiting slide way II 4-2; 4-3 of a gear rack; the limiting bump II 4-4; 4-5 of a sliding plate; 4-6 of a sliding column; 4-7 of a spring; and 4-8 of a handle.

Detailed Description

the first embodiment is as follows:

The embodiment is described below by combining with fig. 1-9, the utility model relates to the technical field of teaching material heat dissipation, and more specifically relates to a support frame, which comprises a bottom fixing device 1, a teaching material bearing device 2, a rotary lifting device 3 and a rotary fixing device 4, teaching materials can be stored between two side plates 1-7 and support plates 1-8, when the teaching materials need to be supported, the teaching materials are taken out from the support plates 1-8 and placed on the bearing plate 2-1, the rear end of the teaching materials is contacted with the front surface of the limit plates 2-8, when the angle of the teaching materials needs to be adjusted, a sliding column 4-6 is pulled forwards, the sliding column 4-6 drives a gear strip 4-3 to move forwards, the gear strip 4-3 at the moment is separated from a gear II3-4, a gear shaft 3-3 is rotated, the gear shaft 3-3 drives a gear I2-3 to rotate through a gear II3-4, the gear I2-3 drives the bearing plate 2-1 to rotate through the rotating shaft 2-2, the angle of the teaching material can be changed, after the angle is adjusted, the sliding column 4-6 is loosened, the spring 4-7 extrudes the gear strip 4-3 backwards by utilizing the elastic potential energy of the spring 4-7, the gear strip 4-3 is meshed with the gear II3-4 again, the gear II3-4 is fixed, the screw rod 2-6 is rotated, the screw rod 2-6 drives the limit plate 2-8 to move through the limit bump I2-7, the limit plate 2-9 drives the teaching material to move up and down due to the contact of the teaching material and the limit plate 2-8, so that the height of the teaching material is changed, and a user can see the content on the teaching material by turning back when writing on the blackboard, specially adapted english teaching, because english is not our native language, the user need read while writing when writing english word, just can write out complete english word, and the user need just can remember english word thoroughly through the exercise of making an diligent.

the bottom fixing device 1 comprises a bottom plate 1-1, a fixing strip I1-2, a fixing strip II1-3, a bearing I1-4, a bearing II1-5, a bearing III1-6, side plates 1-7 and a supporting plate 1-8, wherein the bottom plate 1-1 plays a role in bearing connection, the left end and the right end of the bottom plate 1-1 are respectively and fixedly connected with a fixing strip I1-2 and a fixing strip II1-3, the fixing strip I1-2 can provide a fixed space for the bearing I1-4 and the bearing III1-6, the fixing strip II1-3 can provide a fixed space for the bearing II1-5, the upper end and the lower end of the fixing strip I1-2 are respectively and fixedly connected with outer rings of the bearing I1-4 and the bearing III1-6, the fixing strip II1-3 is fixedly connected with the outer ring of the bearing II1-5, the bearing I1-4 and the bearing II1-5 can limit the position of the two rotating shafts 2-2, so that the rotating shafts 2-2 can only rotate around the axes of the rotating shafts, the bearing III1-6 can limit the position of the right end of the gear shaft 3-3, so that the gear shaft 3-3 can only rotate around the axes of the gear shaft, the left side and the right side of the lower end of the bottom plate 1-1 are fixedly connected with side plates 1-7, the lower ends of the two side plates 1-7 are fixedly connected with supporting plates 1-8, teaching materials can be placed on the supporting plates 1-8 for storage, and when the teaching materials need to be supported, the teaching materials can be taken out and placed on the supporting plates 2-1;

the teaching material bearing device 2 comprises a bearing plate 2-1, a rotating shaft 2-2, a gear I2-3, a limiting slide I2-4, a bearing seat 2-5, a screw rod 2-6, a limiting bump I2-7 and a limiting plate 2-8, when the teaching material is required to be supported, the teaching material is placed on the bearing plate 2-1, the rotating shaft 2-2 is fixedly connected to the left end and the right end of the bearing plate 2-1, the two rotating shafts 2-2 can provide a rotating axis for the bearing plate 2-1, the two rotating shafts 2-2 are respectively and fixedly connected with a bearing I1-4 and an inner ring of a bearing II1-5, the rotating shaft 2-2 at the left end can drive the bearing plate 2-1 to rotate, the gear I2-3 is fixedly connected to the rotating shaft 2-2 at the left end, the gear I2-3 can drive the rotating shaft 2-2 at the left end to rotate, the bearing plate 2-1 is provided with a limiting slideway I2-4, the limiting slideway I2-4 can provide a fixed space for the bearing seat 2-5 and can also provide a sliding space for the limiting lug I2-7, the rear end of the limiting slideway I2-4 is fixedly connected with the bearing seat 2-5, the bearing seat 2-5 can limit the screw rod 2-6, the screw rod 2-6 can only rotate around the axis of the bearing seat, the bearing seat 2-5 is rotatably connected with the screw rod 2-6, the rotating screw rod 2-6 can drive the limiting lug I2-7 to move back and forth on the limiting slideway I2-4, the lower end of the limiting plate 2-8 is fixedly connected with the limiting lug I2-7, the limiting plates 2-8 can drive the teaching materials to lift, the limiting bumps I2-7 are connected in the limiting slide ways I2-4 in a sliding mode and connected with the lead screws 2-6 in a threaded transmission mode, when the limiting bumps I2-8 are connected in the limiting slide ways I2-4 in a sliding mode, the limiting plates 2-8 are limited, and at the moment, the limiting plates 2-8 can only slide back and forth;

the rotary lifting device 3 comprises a fixed strip III3-1, a bearing IV3-2, a gear shaft 3-3 and a gear II3-4, wherein the fixed strip III3-1 is fixedly connected above the left end of a bottom plate 1-1, the fixed strip III3-1 can provide a fixed space for the bearing IV3-2, the upper end of the fixed strip III3-1 is fixedly connected with the outer ring of the bearing IV3-2, the bearing IV3-2 can limit the position of the gear shaft 3-3, the gear shaft 3-3 can only rotate around the axis of the gear shaft, the gear shaft 3-3 can drive the gear II3-4 to rotate, the gear shaft 3-3 is fixedly connected with the gear II3-4, the gear II3-4 can drive the gear I2-3 to rotate, the left end and the right end of the gear shaft 3-3 are respectively and fixedly connected with the inner rings of the bearing IV3-2 and the bearing III1-6, the gear II3-4 is in meshed transmission with the gear I2-3;

the rotary fixing device 4 comprises a fixing plate 4-1, a limiting slide way II4-2, a gear strip 4-3, a limiting lug II4-4, a sliding plate 4-5, a sliding column 4-6 and a spring 4-7, wherein the fixing plate 4-1 is fixedly connected at the rear end of a fixing strip I1-2, the fixing plate 4-1 plays a role in bearing and fixing, the limiting slide way II4-2 is arranged on the fixing plate 4-1, the limiting slide way II4-2 can provide a sliding space for the limiting lug II4-4, the limiting lug II4-4 is fixedly connected on the gear strip 4-3, the limiting lug II4-4 is slidably connected in the limiting slide way II4-2, when the limiting lug II4-4 is slidably connected in the limiting slide way II4-2, the gear strip 4-3 is limited, at the moment, the gear strip 4-3 can only slide back and forth, the sliding plate 4-5 is fixedly connected at the front end of the fixed plate 4-1, the sliding plate 4-5 can provide a sliding space for the sliding column 4-6, the gear strip 4-3 is fixedly connected with the sliding column 4-6, the sliding column 4-6 can drive the gear strip 4-3 to slide back and forth, the sliding column 4-6 is slidably connected with the sliding plate 4-5, the spring 4-7 is inserted on the sliding column 4-6 and is positioned between the gear strip 4-3 and the sliding plate 4-5, the front end of the spring 4-7 is fixed by the sliding plate 4-5 by utilizing the elastic potential energy of the spring 4-7, the spring 4-7 can generate a backward pushing force against the gear strip 4-3, the gear strip 4-3 is meshed with the gear II3-4 for transmission, when the gear rack 4-3 is meshed with the gear II3-4, the gear rack 4-3 can limit the gear II3-4, and the gear II3-4 cannot rotate.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 9, and the teaching material bearing device 2 further described in the embodiment further includes handles 2 to 9, the handles 2 to 9 are fixedly connected to the rear ends of the screw rods 2 to 6, and the screw rods 2 to 6 can be easily driven to rotate by rotating the handles 2 to 9.

The third concrete implementation mode:

The embodiment is described below with reference to fig. 1 to 9, and the rotary lifting device 3 further described in the first embodiment of the present invention further includes a rocker 3-5, the rocker 3-5 is fixedly connected to the left end of the gear shaft 3-3, and the rocker 3-5 can easily drive the gear shaft 3-3 to rotate.

The fourth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 9, and the rotation fixing device 4 further described in the first embodiment of the present embodiment further includes a handle 4-8, the handle 4-8 is fixedly connected to the front end of the sliding column 4-6, and pulling the handle 4-8 can easily drive the sliding column 4-6 to slide back and forth.

The fifth concrete implementation mode:

The present embodiment is described below with reference to fig. 1 to 9, and the second embodiment is further described in the present embodiment, where the outer surface of the handle 2-9 is provided with anti-slip lines, and after the anti-slip lines are provided, when the handle 2-9 is rotated, no slip occurs between the hand and the handle 2-9.

The utility model relates to a theory of operation of support frame:

teaching materials can be stored between the two side plates 1-7 and the supporting plates 1-8, when the teaching materials need to be supported, the teaching materials are taken out from the supporting plates 1-8 and placed on the bearing plate 2-1, the rear ends of the teaching materials are in contact with the front surface of the limiting plates 2-9, when the angle of the teaching materials needs to be adjusted, the handle 4-8 is pulled forwards, the handle 4-8 drives the sliding column 4-6 to move forwards, the sliding column 4-6 drives the gear strip 4-3 to move forwards, the gear strip 4-3 is separated from the gear II3-4 at the moment, the rocker 3-5 is rocked, the rocker 3-5 drives the gear shaft 3-3 to rotate, the gear shaft 3-3 drives the gear I2-3 to rotate through the gear II3-4, the gear I2-3 drives the bearing plate 2-1 to rotate through the rotating shaft 2-2, at this moment, the angle of the teaching material can be changed, after the angle is adjusted, the sliding column 4-6 is loosened, the elastic potential energy of the spring 4-7 is used, the front end of the spring 4-7 is fixed by the sliding plate 4-5, the spring 4-7 can generate a backward force to push against the gear strip 4-3, the gear strip 4-3 is meshed with the gear II3-4 again, the gear II3-4 is fixed, the handle 2-9 is rotated, the handle 2-9 drives the screw rod 2-6 to rotate, the screw rod 2-6 drives the limit plate 2-8 to move through the limit bump I2-7, the limit plate 2-8 can drive the teaching material to move up and down because the teaching material is contacted with the limit plate 2-8, and at this time, a user can see the content on the teaching material when writing on the blackboard, specially adapted english teaching, because english is not our native language, the user need read while writing when writing english word, just can write out complete english word, and the user need just can remember english word thoroughly through the exercise of making an diligent.

of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. the utility model provides a support frame, includes bottom fixing device (1), teaching material bears device (2), rotates elevating gear (3) and rotates fixing device (4), its characterized in that: the bottom fixing device (1) comprises a bottom plate (1-1), a fixing strip I (1-2), a fixing strip II (1-3), a bearing I (1-4), a bearing II (1-5), a bearing III (1-6), a side plate (1-7) and a supporting plate (1-8), the left end and the right end of the bottom plate (1-1) are respectively fixedly connected with a fixing strip I (1-2) and a fixing strip II (1-3), the upper end and the lower end of the fixing strip I (1-2) are respectively fixedly connected with the outer rings of a bearing I (1-4) and a bearing III (1-6), the fixing strip II (1-3) is fixedly connected with the outer ring of a bearing II (1-5), the left side and the right side of the lower end of the bottom plate (1-1) are respectively fixedly connected with a side plate (1-7), and the lower ends of the two side plates (1-7) are fixedly connected with a supporting plate (1-8);

The teaching material bearing device (2) comprises a bearing plate (2-1), a rotating shaft (2-2), a gear I (2-3), a limiting slide I (2-4), a bearing seat (2-5), a lead screw (2-6), a limiting lug I (2-7) and a limiting plate (2-8), wherein the rotating shaft (2-2) is fixedly connected to the left end and the right end of the bearing plate (2-1), the two rotating shafts (2-2) are respectively fixedly connected with the inner rings of the bearing I (1-4) and the bearing II (1-5), the gear I (2-3) is fixedly connected to the rotating shaft (2-2) at the left end, the limiting slide I (2-4) is arranged on the bearing plate (2-1), and the bearing seat (2-5) is fixedly connected to the rear end of the limiting slide I (2-4), the bearing seat (2-5) is rotatably connected with a lead screw (2-6), the lower end of the limiting plate (2-8) is fixedly connected with a limiting lug I (2-7), and the limiting lug I (2-7) is slidably connected in a limiting slide way I (2-4) and is in threaded transmission connection with the lead screw (2-6);

The rotary lifting device (3) comprises a fixed strip III (3-1), a bearing IV (3-2), a gear shaft (3-3) and a gear II (3-4), the fixed strip III (3-1) is fixedly connected above the left end of the bottom plate (1-1), the upper end of the fixed strip III (3-1) is fixedly connected with the outer ring of the bearing IV (3-2), the gear II (3-4) is fixedly connected onto the gear shaft (3-3), the left end and the right end of the gear shaft (3-3) are respectively fixedly connected with the inner rings of the bearing IV (3-2) and the bearing III (1-6), and the gear II (3-4) is in meshing transmission with the gear I (2-3);

the rotary fixing device (4) comprises a fixing plate (4-1), a limiting slide way II (4-2), a gear strip (4-3), a limiting convex block II (4-4), a sliding plate (4-5), a sliding column (4-6) and a spring (4-7), wherein the fixing plate (4-1) is fixedly connected to the rear end of the fixing strip I (1-2), the limiting slide way II (4-2) is arranged on the fixing plate (4-1), the limiting convex block II (4-4) is fixedly connected to the gear strip (4-3), the limiting convex block II (4-4) is slidably connected to the limiting slide way II (4-2), the sliding plate (4-5) is fixedly connected to the front end of the fixing plate (4-1), and the gear strip (4-3) is fixedly connected to the sliding column (4-6), the sliding column (4-6) is connected with the sliding plate (4-5) in a sliding mode, the spring (4-7) is inserted into the sliding column (4-6) and located between the gear rack (4-3) and the sliding plate (4-5), and the gear rack (4-3) is in meshing transmission with the gear II (3-4).

2. a support frame as claimed in claim 1, wherein: the teaching material bearing device (2) further comprises a handle (2-9), and the handle (2-9) is fixedly connected to the rear end of the screw rod (2-6).

3. A support frame as claimed in claim 1, wherein: the rotary lifting device (3) further comprises a rocker (3-5), and the rocker (3-5) is fixedly connected to the left end of the gear shaft (3-3).

4. a support frame as claimed in claim 1, wherein: the rotary fixing device (4) further comprises a handle (4-8), and the handle (4-8) is fixedly connected to the front end of the sliding column (4-6).

5. A support frame as claimed in claim 2, wherein: the outer surface of the handle (2-9) is provided with anti-skid lines.