Height-adjustable table
阅读说明:本技术 一种高度可调的桌子 (Height-adjustable table ) 是由 马国辉 李英 刘彬 郭晶 于 2019-12-11 设计创作,主要内容包括:本发明公开了一种高度可调的桌子,包括:桌面;至少两个桌腿;所述桌腿包括:驱动机构,其固定设置在所述桌腿一端;第一丝杆,其一端连接所述驱动机构的动力输出端,所述丝杆的另一端设置有花键套;第一丝母机构,其匹配设置在所示第一丝杆上;第二丝杆,其套设在所述第一丝杆外部,所述第二丝杆的一端可旋转支撑设置在所述第一丝母机构上;第一方管,其套设在所述第二丝杆外部;第二方管,其套设在所述第一方管外部,并且所述第二方管一端与所述第一丝母机构固定连接;至少两个底座。通过驱动第一丝杆和第二丝杆进行转动,进而带动与它们匹配的丝母以及与丝母固定的方管进行运动,实现桌腿的升降。(The invention discloses a height-adjustable table, comprising: a desktop; at least two table legs; the table leg includes: the driving mechanism is fixedly arranged at one end of the table leg; one end of the first screw rod is connected with the power output end of the driving mechanism, and the other end of the first screw rod is provided with a spline sleeve; the first screw mechanism is arranged on the first screw rod in a matching manner; the second screw rod is sleeved outside the first screw rod, and one end of the second screw rod is rotatably supported and arranged on the first screw nut mechanism; the first square pipe is sleeved outside the second screw rod; the second square pipe is sleeved outside the first square pipe, and one end of the second square pipe is fixedly connected with the first nut mechanism; at least two bases. The first screw rod and the second screw rod are driven to rotate, so that the screw nuts matched with the first screw rod and the second screw rod and the square pipe fixed with the screw nuts are driven to move, and the table legs are lifted.)
1. A height adjustable table, comprising:
a desktop;
at least two table legs which are oppositely arranged, and one end of each table leg is fixed at the bottom of the table top;
the table leg includes:
the driving mechanism is fixedly arranged at one end of the table leg;
one end of the first screw rod is connected with the power output end of the driving mechanism, and the other end of the first screw rod is provided with a spline sleeve;
the first screw mechanism is arranged on the first screw rod in a matching manner;
the second screw rod is sleeved outside the first screw rod, and one end of the second screw rod is rotatably supported and arranged on the first screw nut mechanism; the inner surface of the second screw rod is axially provided with a spline which is matched with the spline sleeve, so that the second screw rod can rotate along with the first screw rod and can axially move along the first screw rod;
the second screw is arranged on the second screw rod in a matching manner;
the first square pipe is sleeved outside the second screw rod, and one end of the first square pipe is fixedly connected with the second screw;
the second square pipe is sleeved outside the first square pipe, and one end of the second square pipe is fixedly connected with the first nut mechanism;
and the at least two bases are respectively and correspondingly fixed at the other end of the first square pipe and used for placing the table.
2. The height adjustable table as claimed in claim 1, wherein the pedestal comprises:
at least two foot connecting plates which are matched and fixedly arranged at the other end of the first square pipe;
and the at least two pairs of caster wheels are symmetrically arranged at the bottom of the foot margin connecting plate.
3. The height adjustable table as claimed in claim 2, wherein the first nut mechanism includes:
the first screw is arranged on the first screw rod in a matching manner;
and one end of the fixed block is fixedly arranged between the first screw nut and the second square pipe, and the second screw rod is rotatably supported at the other end of the fixed block.
4. A height adjustable table as claimed in claim 3, further comprising:
the third square pipe is sleeved outside the second square pipe;
the driving shell is fixedly arranged at the bottom of the desktop, one end of the third square pipe is vertically connected with the driving shell, and the driving mechanism is arranged in the driving shell.
5. The height adjustable table as in claim 4, wherein the drive mechanism comprises:
a worm gear driving motor;
the worm wheel is connected with the power output end of the worm wheel and worm driving motor along the horizontal direction;
one end of the coupler is fixedly connected with the worm wheel, and the other end of the coupler is fixedly connected with one end of the first screw rod;
and a first limiting sleeve is further arranged between one end of the first screw rod and the driving shell, and a second limiting sleeve is arranged at the other end of the second screw rod.
6. The height adjustable table as claimed in claim 5, further comprising: and the case frame is rotatably supported and arranged at the bottom of the desktop.
7. The height adjustable table as claimed in claim 6, wherein the cabinet frame comprises:
the side baffle comprises a first horizontal part and a first vertical part vertically connected with the first horizontal part, and the first horizontal part is provided with a first waist-shaped hole;
the machine case hanger comprises a second horizontal part and a second vertical part vertically connected with the second horizontal part, wherein the second horizontal part is provided with a first hole, and the second vertical part is provided with a plurality of second holes; the first waist-shaped hole is matched with the first hole and used for adjusting the width of the chassis frame;
the chassis bracket comprises a third vertical part and a supporting plate which is perpendicular to the third vertical part, the third vertical part is provided with a plurality of studs, and the second holes are matched with the studs and used for adjusting the height of the chassis frame; two third holes are symmetrically formed in the two ends of the supporting plate respectively;
the two adjusting rods are symmetrically arranged at two ends of the supporting plate, second waist-shaped holes are formed in the adjusting rods, and third holes of the adjusting rods are matched and arranged and used for adjusting the width of the supporting plate;
the fixing frame is arranged at the bottom of the table top, and the first horizontal part and the second horizontal part can be rotatably supported on the fixing frame.
8. The height adjustable table as claimed in claim 7, further comprising:
the four first positioning sliding pieces are circumferentially arranged along the outer surface of one end of the first square pipe, first fixing pins are arranged on the first positioning sliding pieces, and the first fixing pins sequentially penetrate through the first square pipe and the second nut to fix the second nut and the first square pipe;
four second location gleitbretters, its edge the surface circumference setting of second side pipe one end, be provided with the second fixed pin on the second location gleitbretter, the second fixed pin once passes second side pipe the fixed block with first screw will first screw the fixed block and first side pipe is fixed.
9. The height adjustable table as claimed in claim 8, further comprising:
the first guide sheet is fixedly arranged on the inner surface of the other end of the second square pipe along the circumferential direction of the second square pipe;
and the second guide piece is fixedly arranged on the inner surface of the other end of the third square pipe along the circumferential direction of the third square pipe.
10. The height adjustable table according to claim 9, wherein the first and second guide tabs are formed of a self-lubricating non-metallic material.
Technical Field
The invention relates to a height-adjustable desk, and belongs to the field of office.
Background
In life, work and study, the desk is a common office supply, the common study and office desk is generally formed by fixedly connecting a desktop and desk legs, the length of the desk legs is fixed, and the height of the whole desk is not adjustable. In order to solve the above problems, some companies gradually develop a height-adjustable table, most of which can be adjusted only by manually using a tool to disassemble and assemble again, and has high difficulty in disassembling and assembling, complex process and great labor; the automation degree is not high, the height can not be adjusted at will, and the requirement of automation can not be met.
Disclosure of Invention
The invention designs and develops a height-adjustable table, which realizes the lifting of table legs by driving a first screw rod and a second screw rod to rotate so as to drive a nut matched with the first screw rod and the second screw rod and a square tube fixed with the nut to move.
Another object of the invention is: the height and the width of the chassis frame are adjustable.
The technical scheme provided by the invention is as follows:
a height adjustable table comprising:
a desktop;
at least two table legs which are oppositely arranged, and one end of each table leg is fixed at the bottom of the table top;
the table leg includes:
the driving mechanism is fixedly arranged at one end of the table leg;
one end of the first screw rod is connected with the power output end of the driving mechanism, and the other end of the first screw rod is provided with a spline sleeve;
the first screw mechanism is arranged on the first screw rod in a matching manner;
the second screw rod is sleeved outside the first screw rod, and one end of the second screw rod is rotatably supported and arranged on the first screw nut mechanism; the inner surface of the second screw rod is axially provided with a spline which is matched with the spline sleeve, so that the second screw rod can rotate along with the first screw rod and can axially move along the first screw rod;
the second screw is arranged on the second screw rod in a matching manner;
the first square pipe is sleeved outside the second screw rod, and one end of the first square pipe is fixedly connected with the second screw;
the second square pipe is sleeved outside the first square pipe, and one end of the second square pipe is fixedly connected with the first nut mechanism;
and the at least two bases are respectively and correspondingly fixed at the other end of the first square pipe and used for placing the table.
Preferably, the base includes:
at least two foot connecting plates which are matched and fixedly arranged at the other end of the first square pipe;
and the at least two pairs of caster wheels are symmetrically arranged at the bottom of the foot margin connecting plate.
Preferably, the first nut mechanism includes:
the first screw is arranged on the first screw rod in a matching manner;
and one end of the fixed block is fixedly arranged between the first screw nut and the second square pipe, and the second screw rod is rotatably supported at the other end of the fixed block.
Preferably, the method further comprises the following steps:
the third square pipe is sleeved outside the second square pipe;
the driving shell is fixedly arranged at the bottom of the desktop, one end of the third square pipe is vertically connected with the driving shell, and the driving mechanism is arranged in the driving shell.
Preferably, the driving mechanism includes:
a worm gear driving motor;
the worm wheel is connected with the power output end of the worm wheel and worm driving motor along the horizontal direction;
one end of the coupler is fixedly connected with the worm wheel, and the other end of the coupler is fixedly connected with one end of the first screw rod;
and a first limiting sleeve is further arranged between one end of the first screw rod and the driving shell, and a second limiting sleeve is arranged at the other end of the second screw rod.
Preferably, the method further comprises the following steps: and the case frame is rotatably supported and arranged at the bottom of the desktop.
Preferably, the cabinet frame includes:
the side baffle comprises a first horizontal part and a first vertical part vertically connected with the first horizontal part, and the first horizontal part is provided with a first waist-shaped hole;
the machine case hanger comprises a second horizontal part and a second vertical part vertically connected with the second horizontal part, wherein the second horizontal part is provided with a first hole, and the second vertical part is provided with a plurality of second holes; the first waist-shaped hole is matched with the first hole and used for adjusting the width of the chassis frame;
the chassis bracket comprises a third vertical part and a supporting plate which is perpendicular to the third vertical part, the third vertical part is provided with a plurality of studs, and the second holes are matched with the studs and used for adjusting the height of the chassis frame; two third holes are symmetrically formed in the two ends of the supporting plate respectively;
the two adjusting rods are symmetrically arranged at two ends of the supporting plate, second waist-shaped holes are formed in the adjusting rods, and third holes of the adjusting rods are matched and arranged and used for adjusting the width of the supporting plate;
the fixing frame is arranged at the bottom of the table top, and the first horizontal part and the second horizontal part can be rotatably supported on the fixing frame.
Preferably, the method further comprises the following steps:
the four first positioning sliding pieces are circumferentially arranged along the outer surface of one end of the first square pipe, first fixing pins are arranged on the first positioning sliding pieces, and the first fixing pins sequentially penetrate through the first square pipe and the second nut to fix the second nut and the first square pipe;
four second location gleitbretters, its edge the surface circumference setting of second side pipe one end, be provided with the second fixed pin on the second location gleitbretter, the second fixed pin once passes second side pipe the fixed block with first screw will first screw the fixed block and first side pipe is fixed.
Preferably, the method further comprises the following steps:
the first guide sheet is fixedly arranged on the inner surface of the other end of the second square pipe along the circumferential direction of the second square pipe;
and the second guide piece is fixedly arranged on the inner surface of the other end of the third square pipe along the circumferential direction of the third square pipe.
Preferably, the first guide piece and the second guide piece are made of self-lubricating non-metallic materials.
The invention has the following beneficial effects:
the worm gear is driven by the worm gear and worm reduction motor, so that the first screw rod and the second screw rod are driven to rotate, the first screw rod and the second screw rod respectively drive the screw nut and the square pipe which are matched with the first screw rod and the second screw rod to lift, and the lifting of the table is realized.
The height, the width and the angle of the machine box frame can be adjusted, the machine box frame is matched with the machine box hanging frame through the side baffle, the adjustment of the width of the machine box frame is achieved, the adjustment of the height of the machine box frame is achieved through the matching of the machine box hanging frame and the machine box supporting frame, meanwhile, the side baffle and the machine box hanging frame are connected with the fixing frame arranged at the bottom of the desktop in a rotatable mode through the knob, and the angle of the machine box frame can be adjusted.
The mounting holes of the desktop are all set as metal inserts, so that repeated disassembly and assembly of the desktop can be guaranteed.
Drawings
Fig. 1 is a schematic structural view of a height-adjustable table according to the present invention.
Fig. 2 is a front view of the height-adjustable table according to the present invention.
Fig. 3 is a top view of the height adjustable table according to the present invention.
Fig. 4 is a bottom view of the height adjustable table according to the present invention.
Figure 5 is a cross-sectional view of a table leg of the present invention.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a partial enlarged view of fig. 5 at B.
Figure 8 is an exploded view of the connection between the table leg and the drive housing of the present invention.
Figure 9 is a partial exploded view of a table leg according to the present invention.
Figure 10 is a partial cross-sectional view of the table leg of the present invention.
Fig. 11 is an exploded view of the chassis frame according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1 to 11, the present invention provides a height-adjustable table, comprising: a
As shown in fig. 1 to 4, two
In the present invention, preferably, the table top mounting holes are all metal inserts.
As shown in fig. 4 to 9, two
The driving
In the present invention, it is preferable that the first, second, and third
As shown in fig. 10, the first
The second
The third
In the present invention, it is preferable that the
In the present invention, POM is preferably used as the material of the
As shown in fig. 1, the
As shown in fig. 11, the
The
In the present invention, it is preferable that the plurality of
At the both ends of
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
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