CN212574448U - A portable small table - Google Patents

Abstract

The utility model provides a portable small table plate, which comprises an inner supporting leg, an outer supporting leg and a table plate, wherein the inner supporting leg is a rectangular frame, the outer supporting leg is a rectangular frame, the middle part of the inner supporting leg and the middle part of the outer supporting leg are hinged in a crossed manner, the front part of the table plate is hinged at the upper end of the inner supporting leg, ribs arranged at intervals are arranged on the lower bottom surface at the rear part of the table plate, an adjusting wheel is fixedly arranged at the upper end of the outer supporting leg, a plurality of gear teeth with different lengths are arranged on the adjusting wheel, and an angle adjusting knob is fixedly arranged at the; a height adjusting device is arranged between the inner supporting leg and the outer supporting leg. The height of the table board can be controlled by adjusting the angle between the inner supporting leg and the outer supporting leg; the gear teeth with different lengths are matched with the ribs to support the table plate at different angles; the desk has the advantages that a user with a higher figure can be placed on the desk for use, the height and the angle of the desk board can be flexibly adjusted, the desk is suitable for an office desk and a desk, and cervical spondylosis of people working at desk and studying can be obviously relieved.

Description

Portable small table board

Technical Field

The utility model discloses a portable small table belongs to the office supplies field.

Background

Modern living conditions are gradually improved, the physical development of teenagers is obviously higher than that of the teenagers in the past, and a plurality of students are of thin and tall figures, but the desk stools of a plurality of schools still keep the original height and are not adjusted correspondingly according to the height change of children in time, so that the students need to lower heads when writing on the desk, and the cervical vertebra is easy to deform to form cervical spondylosis when writing for a long time; in addition, personnel working in offices need to put a computer (or a display) on a desktop, the height of the desktop in the offices is fixed, and personalized adjustment cannot be carried out according to height differences of the personnel, so that the taller personnel need to lower the head when using the computer on the desktop, or the computer (or the display) is padded up by adopting articles such as books and the like, the use is very inconvenient, people write or use the computer with the head lowered for a long time, cervical spondylosis can be aggravated, damage is caused to the body, and normal learning and working are influenced. At present, an integrated student desk capable of adjusting height and angle is available in the market, but the desk is high in cost and is not applied to schools in a large scale, and students still use a uniform fixed desk when writing in the schools; the integrated student desk is not suitable to be placed in an office. Therefore, it is highly desirable to provide a portable small table board, which can be used on desks and desks, flexibly adjust the height and angle of the table board, and protect the health of students and workers.

Disclosure of Invention

The utility model aims to provide a portable small table which can be used on a fixed table top and can flexibly adjust the height and the angle.

The purpose of the utility model is realized like this: a portable small table plate comprises inner supporting legs, outer supporting legs and a table plate, wherein the inner supporting legs are rectangular frames surrounded by a first lower cross beam, a first left longitudinal beam, a first upper cross beam and a first right longitudinal beam, the outer supporting legs are rectangular frames surrounded by a second lower cross beam, a second left longitudinal beam, a second upper cross beam and a second right longitudinal beam, the lower portion of the first left longitudinal beam and the lower portion of the first right longitudinal beam are respectively hinged to the first lower cross beam, and the upper portion of the first left longitudinal beam and the upper portion of the first transverse beam are respectively hinged to the first upper cross beam; the lower part of a second left longitudinal beam and the lower part of a second right longitudinal beam are respectively hinged on a second lower cross beam, the upper part of the second left longitudinal beam and the upper part of the second right longitudinal beam are respectively hinged on a second upper cross beam, two ends of the first lower cross beam are respectively hinged with a supporting foot plate, two ends of the second lower cross beam are respectively hinged with a supporting foot plate, the middle part of the first left longitudinal beam and the middle part of the second left longitudinal beam are crossed and hinged through a first hinge shaft, the middle part of the first right longitudinal beam and the middle part of the second right longitudinal beam are crossed and hinged through a second hinge shaft, the first hinge shaft and the second hinge shaft are coaxial, the front part of the table plate is hinged at two ends of the first upper cross beam, ribs which are arranged at intervals are arranged on the lower bottom surface of the rear part of the table plate, an adjusting wheel is fixedly arranged on the second upper cross beam, a plurality of gear teeth; the inner side of the upper portion of the second left longitudinal beam is hinged with a third hinge shaft, the inner side of the upper portion of the first left longitudinal beam is hinged with a fourth hinge shaft, a threaded hole is formed in the fourth hinge shaft, a height adjusting screw rod is arranged between the third hinge shaft and the fourth hinge shaft, the rear end of the height adjusting screw rod is fixed to the third hinge shaft, the middle of the height adjusting screw rod penetrates through the threaded hole, and a height adjusting knob is arranged at the front end of the height adjusting screw rod.

Furthermore, the bottom surface of the supporting foot plate is provided with an anti-skid rubber mat.

Furthermore, a reinforcing rod is arranged between the first left longitudinal beam and the first right longitudinal beam.

Furthermore, the periphery of the angle adjusting knob is provided with anti-skid stripes, and the periphery of the height adjusting knob is provided with anti-skid stripes.

Furthermore, 3 gear teeth with different lengths are arranged on the adjusting wheel.

Due to the adoption of the technical scheme, the height of the table top can be controlled by adjusting the angle between the inner supporting leg and the outer supporting leg; meanwhile, ribs, adjusting wheels and gear teeth are arranged below the table plate, the adjusting wheels are rotated through angle adjusting knobs, the adjusting wheels drive the gear teeth to rotate, and the gear teeth with different lengths are matched with the ribs to support the table plate at different angles; the utility model relates to a supplement of standard desk can make the higher user of stature place and use on the desktop, and the height and the angle of nimble adjustment table are applicable to desk and desk, can obviously alleviate the cervical spondylopathy of work and study personnel of bending over at desk, have portable, convenient to use's characteristics.

Drawings

The specific structure of the utility model is given by the following drawings and embodiments:

FIG. 1 is a schematic view of a first perspective of a portable tablet;

FIG. 2 is a schematic diagram of a second perspective view of a portable tablet;

fig. 3 is a third perspective view of a portable tablet.

Legend: 1. the table board, 2, first bottom end rail, 3, first left longeron, 4, first entablature, 5, first right longeron, 6, second bottom end rail, 7, second left longeron, 8, second top end rail, 9, second right longeron, 10, supporting foot board, 11, first articulated shaft, 12, second articulated shaft, 13, ribbing, 14, regulating wheel, 15, the teeth of a cogwheel, 16, angle adjust knob, 17, third articulated shaft, 18, fourth articulated shaft, 19, height adjusting screw, 20, height adjusting knob, 21, stiffener.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

Example (b): as shown in fig. 1 to 3, a portable small table comprises an inner leg, an outer leg and a table 1, wherein the inner leg is a rectangular frame surrounded by a first lower cross beam 2, a first left longitudinal beam 3, a first upper cross beam 4 and a first right longitudinal beam 5, the outer leg is a rectangular frame surrounded by a second lower cross beam 6, a second left longitudinal beam 7, a second upper cross beam 8 and a second right longitudinal beam 9, the lower part of the first left longitudinal beam 3 and the lower part of the first right longitudinal beam 5 are respectively hinged on the first lower cross beam 2, and the upper part of the first left longitudinal beam 3 and the upper part of the first transverse beam are respectively hinged on the first upper cross beam 4; the lower part of a second left longitudinal beam 7 and the lower part of a second right longitudinal beam 9 are respectively hinged on a second lower cross beam 6, the upper part of the second left longitudinal beam 7 and the upper part of the second right longitudinal beam 9 are respectively hinged on a second upper cross beam 8, both ends of a first lower cross beam 2 are respectively hinged with a supporting foot plate 10, both ends of the second lower cross beam 6 are respectively hinged with a supporting foot plate 10, the middle part of the first left longitudinal beam 3 and the middle part of the second left longitudinal beam 7 are crossed and hinged through a first hinge shaft 11, the middle part of the first right longitudinal beam 5 and the middle part of the second right longitudinal beam 9 are crossed and hinged through a second hinge shaft 12, the first hinge shaft 11 and the second hinge shaft 12 are coaxial, the front part of a table plate 1 is hinged at both ends of a first upper cross beam 4, ridge strips 13 arranged at intervals are arranged on the lower bottom surface at the rear part of the table plate 1, an adjusting wheel 14 is fixedly arranged on the second upper, an angle adjusting knob 16 is fixedly arranged at the end part of the second cross beam; the inner side of the upper portion of the second left longitudinal beam 7 is hinged with a third hinge shaft 17, the inner side of the upper portion of the first left longitudinal beam 3 is hinged with a fourth hinge shaft 18, a threaded hole is formed in the fourth hinge shaft 18, a height adjusting screw rod 19 is arranged between the third hinge shaft 17 and the fourth hinge shaft 18, the rear end of the height adjusting screw rod 19 is fixed on the third hinge shaft 17, the middle of the height adjusting screw rod 19 penetrates through the threaded hole, and a height adjusting knob 20 is arranged at the front end of the height adjusting screw rod 19. The utility model uses the structure of the folding stool for reference, the inner supporting leg and the outer supporting leg are hinged in a crossing way, and the height of the table board 1 can be controlled by adjusting the angle between the inner supporting leg and the outer supporting leg; simultaneously set up rib 13, regulating wheel 14, teeth of a cogwheel 15 in the below of table 1, rotate regulating wheel 14 through angle adjusting knob 16, regulating wheel 14 drives the rotation of teeth of a cogwheel 15, and the teeth of a cogwheel 15 of different lengths cooperates with rib 13, supports table 1 at different angles. When the utility model is used on an office desk, the supporting foot plate 10 is contacted with the office desk surface, the desk plate 1 is kept horizontal, a notebook computer or a display is placed on the desk plate 1, the height adjusting knob 20 is rotated according to the height of a user, and the desk plate 1 is adjusted to a proper height, so that the user can normally use the notebook computer or the display without lowering the head; the utility model discloses when using on school's desk, supporting leg board 10 and desk face contact at first according to student's height, rotatory height adjusting knob 20 adjusts the height of table 1, then, places textbook, exercise book or book on table 1, and rotation angle adjusting knob 16 adjusts table 1 to suitable angle to the student need not bow just can write. The utility model relates to a supplement of standard desk can make the higher user of stature place and use on the desktop, and the height and the angle of nimble adjustment table 1 are applicable to desk and desk, can obviously alleviate the cervical spondylopathy of work and study personnel of bending over at desk, have portable, convenient to use's characteristics.

The bottom surface of the supporting foot plate 10 is provided with an antiskid rubber mat. Like this, the antiskid cushion can play anti-skidding effect well, makes the utility model discloses can not slide on the desktop in the use, it is more firm, reliable.

A reinforcing rod 21 is arranged between the first left longitudinal beam 3 and the first right longitudinal beam 5. Thus, the reinforcing bar 21 can improve the structural strength of the inner leg and improve the working stability thereof.

The periphery of the angle adjusting knob 16 is provided with anti-slip stripes, and the periphery of the height adjusting knob 20 is provided with anti-slip stripes. The anti-skidding stripes can increase friction force, so that the user can adjust the height and the angle of the table board 1 more conveniently.

The adjusting wheel 14 is provided with 3 gear teeth 15 with different lengths. When the position that does not have teeth of a cogwheel 15 on the regulating wheel 14 contacts with arris 13, table 1 is the horizontality, and 3 the length of the teeth of a cogwheel 15 on the regulating wheel 14 increase in proper order, just make table 1 possess low, well, high three angles, it is more convenient to use.

The working principle of the utility model is as follows: when the notebook computer or the display is used, the supporting foot plate 10 is in contact with a desktop, the desk plate 1 is kept horizontal, the notebook computer or the display is placed on the desk plate 1, the height adjusting knob 20 is rotated according to the height of a user, and the included angle between the inner supporting leg and the outer supporting leg is reduced by the height adjusting screw rod 19, so that the desk plate 1 is lifted, the desk plate 1 can be adjusted to a proper height, and the user can normally use the notebook computer or the display without lowering the head; when writing on the table plate 1, the supporting leg plate 10 is in contact with the desk surface, firstly, according to the height of a user, the height adjusting knob 20 is rotated, the included angle between the inner supporting leg and the outer supporting leg is reduced by the height adjusting screw rod 19, so that the table plate 1 is lifted, the height of the table plate 1 is adjusted, then, a textbook, a homework book or a scroll is placed on the table plate 1, the rotating angle adjusting knob 16 is rotated, the proper gear teeth 15 are in contact with the ribs 13 to be clamped tightly, and the table plate 1 is adjusted to a proper angle, so that the user can write without lowering head.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present invention. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims (5)

1. a portable small table board, it is characterized in that: comprise inner support leg, outer support leg and table board, and inner support leg is composed of the first lower beam, the first left longitudinal beam, the first upper beam and the first right longitudinal beam. A rectangular frame surrounded by beams, the outer legs are a rectangular frame surrounded by a second lower beam, a second left longitudinal beam, a second upper beam and a second right longitudinal beam, the lower part of the first left longitudinal beam, the first right longitudinal beam The lower part of the longitudinal beam is respectively hinged on the first lower beam, the upper part of the first left longitudinal beam and the upper part of the first transverse beam are respectively hinged on the first upper beam; the lower part of the second left longitudinal beam, the upper part of the second right longitudinal beam The lower part is hinged on the second lower beam respectively, the upper part of the second left longitudinal beam and the upper part of the second right longitudinal beam are respectively hinged on the second upper beam, the two ends of the first lower beam are respectively hinged with supporting feet, the second lower beam The two ends of the transverse beam are respectively hinged with supporting foot plates, the middle part of the first left longitudinal beam and the middle part of the second left longitudinal beam are cross-hinged through the first hinge shaft, and the middle part of the first right longitudinal beam and the middle part of the second right longitudinal beam pass through the first hinge. The two hinge shafts are cross-hinged, the first hinge shaft and the second hinge shaft are coaxial, the front part of the table board is hinged on both ends of the first upper beam, and there are ribs arranged at intervals on the lower bottom surface of the back part of the table board, the second An adjustment wheel is fixedly installed on the upper beam, and the adjustment wheel is provided with a plurality of gear teeth with different lengths, and the end of the second beam is fixedly installed with an angle adjustment knob; the upper inner side of the second left longitudinal beam is hinged with a third hinge shaft, The upper inner side of the first left longitudinal beam is hinged with a fourth hinge shaft, the fourth hinge shaft is provided with a threaded hole, a height adjustment screw rod is arranged between the third hinge shaft and the fourth hinge shaft, and the rear end of the height adjustment screw rod It is fixed on the third hinge shaft, the middle part of the height adjustment screw rod passes through the threaded hole, and the front end of the height adjustment screw rod is provided with a height adjustment knob. 2 . The portable small table board according to claim 1 , wherein a non-slip rubber pad is provided on the bottom surface of the supporting foot board. 3 . 3 . The portable small table board according to claim 1 , wherein a reinforcing rod is arranged between the first left longitudinal beam and the first right longitudinal beam. 4 . 4 . The portable small table board according to claim 1 , wherein the periphery of the angle adjustment knob is provided with anti-skid stripes, and the periphery of the height adjustment knob is provided with non-slip stripes. 5 . 5 . The portable small table board according to claim 1 , wherein the adjusting wheel is provided with three gear teeth with different lengths. 6 .

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