CN109259444A - A kind of height-adjustable desk - Google Patents
A kind of height-adjustable desk Download PDFInfo
- Publication number
- CN109259444A CN109259444A CN201811148092.2A CN201811148092A CN109259444A CN 109259444 A CN109259444 A CN 109259444A CN 201811148092 A CN201811148092 A CN 201811148092A CN 109259444 A CN109259444 A CN 109259444A
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- China
- Prior art keywords
- fixed
- column
- strut
- link
- fixed link
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The present invention relates to teaching equipment technical field, specifically a kind of height-adjustable desk, including lower fixed frame is symmetrically arranged with the first slide bar at the top edge of the lower fixed frame, and the inside of first slide bar offers first sliding groove；The bottom end of the lower fixed frame is symmetrically arranged with the first supporting mechanism, the second supporting mechanism；The top of the lower fixed frame is equipped with third supporting mechanism；The top of the third supporting mechanism is equipped with fixed mechanism；Position-limit mechanism is equipped between support frame as described above, fixed frame, the position-limit mechanism includes rotary column, handle, the first sliding block, the second sliding block, upper connector and lower connector；Desk plate is fixed at the top of the first connecting rod；Height-adjustable desk provided by the invention has easy to operate, using flexible, structure more firm, is convenient for the advantages of adjusting desk height.
Description
Technical field
The present invention relates to teaching equipment technical field, specifically a kind of height-adjustable desk.
Background technique
Student is used to the desk that learns and is collectively referred to as desk in school, and desk is that student attends class indispensable study article.
The height of existing desk be mostly it is fixed, be unable to satisfy student not of the same grade and use, even if same class
Student's height there is also certain differences, so there is certain limitation in use in present desk, then I
Propose a kind of height-adjustable desk.In consideration of it, the present invention provides a kind of height-adjustable desks, with following
Feature:
(1) a kind of height-adjustable desk of the present invention, by by third supporting mechanism in the first slide bar and
It slides, third supporting mechanism can be shunk on two slide bars, so as to adjust the height of third supporting mechanism, so that the height of desk plate
It is changed, so that the student for meeting not of the same grade, different heights carries out using being conducive to improve learning quality；
(2) a kind of height-adjustable desk of the present invention, by the way that position-limit mechanism is arranged by fixed mechanism and third
Supporting mechanism is connected, can be convenient and efficient by handle rotation rotary column to drive third supporting mechanism to shrink, and passes through limit
Mechanism fixes third supporting mechanism, so that structure is more stable.
Summary of the invention
For the problems of the prior art, easy to operate, using flexible that the present invention provides one kind, structure are more firm,
Convenient for adjusting the height-adjustable desk of desk height.
The technical solution adopted by the present invention to solve the technical problems is: a kind of height-adjustable desk, including lower solid
Determine frame, the first slide bar is symmetrically arranged at the top edge of the lower fixed frame, it is sliding that the inside of first slide bar offers first
Slot；
The bottom end of the lower fixed frame is symmetrically arranged with the first supporting mechanism, the second supporting mechanism；
The top of the lower fixed frame is equipped with third supporting mechanism, and the third supporting mechanism includes the first fixed column, the
Two fixed columns, the first fixed link, the second fixed link, third fixed column, the 4th fixed column, third fixed link, the 4th fixed link with
And the 5th fixed link；
First fixed link is slidably connected with the first sliding groove, and the third fixed link is rotationally connected with described lower solid
Determine the top of frame, the both ends of first fixed link are rotated with the bottom end of first fixed column, second fixed column respectively
Connection, first fixed column, second fixed column top be connected by second fixed link, it is described second fixation
Bar and first fixed column, second fixed column are rotatablely connected, the both ends of the third fixed link respectively with the third
Fixed column, the 4th fixed column bottom end rotation connection, the third fixed column, the 4th fixed column top pass through institute
It states the 4th fixed link to be connected, the 4th fixed link and the third fixed column, the 4th fixed column are rotatablely connected, described
First fixed column, second fixed column, the third fixed column and the 4th fixed column pass through the 5th fixed link
It is connected, the 5th fixed link and first fixed column, second fixed column, the third fixed column, the described 4th
Fixed column rotation connection；
The top of the third supporting mechanism be equipped with fixed mechanism, the fixed mechanism include upper holder, the second slide bar,
Second sliding slot, support frame, first connecting rod, connecting column, the first fixed ring and the second fixed ring；
The bottom end of fixed frame is fixedly connected with the top of first supporting mechanism, second supporting mechanism,
The top of fixed frame is symmetrically arranged with second fixed ring, the both ends of second fixed ring and second fixed link
Rotation connection, the bottom symmetrical of fixed frame are equipped with second slide bar, and the inside of second slide bar offers described
Second sliding slot, the internal slide of the second sliding slot are connected with the 4th fixed link, are symmetrically fixed at the top of upper holder
Support frame as described above, the both ends of support frame as described above are equipped with the first connecting rod, pass through the connecting column phase between support frame as described above
The bottom of connection, the connecting column is equipped with first fixed ring；
Position-limit mechanism is equipped between support frame as described above, fixed frame, the position-limit mechanism includes rotary column, handle, the
One sliding block, the second sliding block, upper connector and lower connector；
The rotary column is set between support frame as described above, fixed frame, and one end of the rotary column is equipped with the handle, institute
The surface for stating rotary column is threaded with first sliding block, second sliding block, between first sliding block, second sliding block
It is fixed with the upper connector, the lower connector, the upper connector includes the second connecting rod, third connecting rod and connection
Block, the link block and first fixed ring are rotatablely connected, and the both ends of the link block are rotatably connected to second connection
Bar, the third connecting rod, second connecting rod are rotatablely connected away from one end of the link block and first sliding block, institute
It states third connecting rod to be rotatablely connected away from one end of the link block and second sliding block, the lower connector and the upper company
The structure of fitting is identical, contrary, and the lower connector and the 4th fixed link are rotatablely connected；
Desk plate is fixed at the top of the first connecting rod.
Further, fixed frame, the lower fixed frame length with it is of same size, fixed frame with it is described
Lower fixed frame is parallel to each other.
Further, first slide bar is identical as the length of second slide bar, first slide bar and described second
Slide bar is parallel to each other.
Further, first fixed link, second fixed link, the third fixed link, the 4th fixed link
And the length of the 5th fixed link is identical, first fixed link, second fixed link, the third fixed link, institute
It states and is parallel to each other two-by-two between the 4th fixed link and the 5th fixed link.
Further, the length of the rotary column is greater than the length of the 5th fixed link, and the rotary column is solid with the described 5th
Fixed pole is parallel to each other.
Further, first supporting mechanism include the first strut, the second strut and caging bolt, described first
Bar is perpendicularly fixed at the bottom edge of the lower fixed frame, the first strut socket second strut, and described second
The top of bar is fixedly connected with fixed frame, passes through the caging bolt between second strut, second strut
It is connected.
Further, the internal diameter of first strut is greater than the diameter of second strut, the length of second strut
Greater than the length of first strut.
Further, second supporting mechanism includes third strut and the 4th strut, and the third strut is vertically fixed
Deviate from the side of first strut in the bottom end of the lower fixed frame, the third strut is socketed the 4th strut, described
The top of 4th strut is fixedly connected with fixed frame.
Further, the internal diameter of the third strut is greater than the diameter of the 4th strut, the length of the 4th strut
Greater than the length of the third strut.
Beneficial effects of the present invention:
(1) a kind of height-adjustable desk of the present invention, by by third supporting mechanism in the first slide bar and
It slides, third supporting mechanism can be shunk on two slide bars, so as to adjust the height of third supporting mechanism, so that the height of desk plate
It is changed, so that the student for meeting not of the same grade, different heights carries out using being conducive to improve learning quality；
(2) a kind of height-adjustable desk of the present invention, by the way that position-limit mechanism is arranged by fixed mechanism and third
Supporting mechanism is connected, can be convenient and efficient by handle rotation rotary column to drive third supporting mechanism to shrink, and passes through limit
Mechanism fixes third supporting mechanism, so that structure is more stable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of height-adjustable desk provided by the invention；
Fig. 2 is the structural schematic diagram of third supporting mechanism shown in FIG. 1；
Fig. 3 is the structural schematic diagram of fixed mechanism shown in FIG. 1；
Fig. 4 is the structural schematic diagram of position-limit mechanism shown in FIG. 1.
In figure: 1, lower fixed frame, the 11, first slide bar, 12, first sliding groove, the 2, first supporting mechanism, the 21, first strut,
22, the second strut, 23, caging bolt, the 3, second supporting mechanism, 31, third strut, the 32, the 4th strut, 4, third support machine
Structure, the 41, first fixed column, the 42, second fixed column, the 43, first fixed link, the 44, second fixed link, 45, third fixed column, 46,
4th fixed column, 47, third fixed link, the 48, the 4th fixed link, the 49, the 5th fixed link, 5, fixed mechanism, 51, upper holder,
52, the second slide bar, 53, second sliding slot, 54, support frame, 55, first connecting rod, 56, connecting column, the 57, first fixed ring, 58,
Two fixed rings, 6, position-limit mechanism, 61, rotary column, 62, handle, the 63, first sliding block, the 64, second sliding block, 65, upper connector, 651,
Second connecting rod, 652, third connecting rod, 653, link block, 66, lower connector, 7, desk plate.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 4, a kind of height-adjustable desk of the present invention, including lower fixed frame 1, it is described lower solid
Determine to be symmetrically arranged with the first slide bar 11 at the top edge of frame 1, the inside of first slide bar 11 offers first sliding groove 12；
The bottom end of the lower fixed frame 1 is symmetrically arranged with the first supporting mechanism 2, the second supporting mechanism 3；
The top of the lower fixed frame 1 is equipped with third supporting mechanism 4, and the third supporting mechanism 4 includes the first fixed column
41, the second fixed column 42, the first fixed link 43, the second fixed link 44, third fixed column 45, the 4th fixed column 46, third are fixed
Bar 47, the 4th fixed link 48 and the 5th fixed link 49；
First fixed link 43 is slidably connected with the first sliding groove 12, and the third fixed link 47 is rotationally connected with institute
State the top of lower fixed frame 1, the both ends of first fixed link 43 respectively with first fixed column 41, second fixed column
42 bottom end rotation connection, first fixed column 41, second fixed column 42 top pass through second fixed link 44
It is connected, second fixed link 44 is rotatablely connected with first fixed column 41, second fixed column 42, and the third is solid
The both ends of fixed pole 47 are rotatablely connected with the bottom end of the third fixed column 45, the 4th fixed column 46 respectively, and the third is solid
Fixed column 45, the 4th fixed column 46 top be connected by the 4th fixed link 48, the 4th fixed link 48 and institute
State third fixed column 45, the 4th fixed column 46 rotation connection, first fixed column 41, second fixed column 42, institute
It states third fixed column 45 and the 4th fixed column 46 is connected by the 5th fixed link 49, the 5th fixed link 49
Connect with first fixed column 41, second fixed column 42, the third fixed column 45, the 4th fixed column 46 rotation
It connects；
The top of the third supporting mechanism 4 is equipped with fixed mechanism 5, and the fixed mechanism 5 includes upper holder 51, second
Slide bar 52, second sliding slot 53, support frame 54, first connecting rod 55, connecting column 56, the first fixed ring 57 and the second fixed ring
58；
The fixed company in the bottom end of fixed frame 51 and the top of first supporting mechanism 2, second supporting mechanism 3
It connects, the top of fixed frame 51 is symmetrically arranged with second fixed ring 58, and second fixed ring 58 is consolidated with described second
The both ends of fixed pole 44 are rotatablely connected, and the bottom symmetrical of fixed frame 51 is equipped with second slide bar 52, second slide bar
52 inside offers the second sliding slot 53, and the internal slide of the second sliding slot 53 is connected with the 4th fixed link 48,
The top of upper holder 51 is symmetrically fixed with support frame as described above 54, and the both ends of support frame as described above 54 are equipped with the first connecting rod
55, it is connected between support frame as described above 54 by the connecting column 56, it is fixed that the bottom of the connecting column 56 is equipped with described first
Ring 57；
Between support frame as described above 54, fixed frame 51 be equipped with position-limit mechanism 6, the position-limit mechanism 6 include rotary column 61,
Handle 62, the first sliding block 63, the second sliding block 64, upper connector 65 and lower connector 66；
The rotary column 61 is set between support frame as described above 54, fixed frame 51, and one end of the rotary column 61 is equipped with institute
Handle 62 is stated, the surface of the rotary column 61 is threaded with first sliding block 63, second sliding block 64, first sliding block
63, the upper connector 65, the lower connector 66 are fixed between second sliding block 64, the upper connector 65 includes the
Two connecting rods 651, third connecting rod 652 and link block 653, the link block 653 connect with first fixed ring 57 rotation
It connecing, the both ends of the link block 653 are rotatably connected to second connecting rod 651, the third connecting rod 652, and described second
Connecting rod 651 is rotatablely connected away from one end of the link block 653 and first sliding block 63, and the third connecting rod 652 is carried on the back
One end and second sliding block 64 from the link block 653 are rotatablely connected, the lower connector 66 and the upper connector 65
Structure it is identical, contrary, the lower connector 66 is rotatablely connected with the 4th fixed link 48；
The top of the first connecting rod 55 is fixed with desk plate 7.
Further, length and of same size, the fixed frame 51 of fixed frame 51, the lower fixed frame 1
It is parallel to each other with the lower fixed frame 1.
Further, first slide bar 11 is identical as the length of second slide bar 52, first slide bar 11 and institute
The second slide bar 52 is stated to be parallel to each other.
Further, first fixed link 43, second fixed link 44, the third fixed link 47, the described 4th
The length of fixed link 48 and the 5th fixed link 49 is identical, first fixed link 43, second fixed link 44, described
It is parallel to each other two-by-two between third fixed link 47, the 4th fixed link 48 and the 5th fixed link 49.
Further, the length of the rotary column 61 be greater than the 5th fixed link 49 length, the rotary column 61 with it is described
5th fixed link 49 is parallel to each other.
Further, first supporting mechanism 2 includes the first strut 21, the second strut 22 and caging bolt 23, institute
It states the first strut 21 to be perpendicularly fixed at the bottom edge of the lower fixed frame 1, first strut 21 is socketed described second
Bar 22, the top of second strut 22 are fixedly connected with fixed frame 51, second strut 22, second strut
It is connected between 22 by the caging bolt 23.
Further, the internal diameter of first strut 21 is greater than the diameter of second strut 22, second strut 22
Length be greater than first strut 21 length.
Further, second supporting mechanism 3 includes third strut 31 and the 4th strut 32, and the third strut 31 hangs down
The bottom end for being directly fixed on the lower fixed frame 1 deviates from the side of first strut 21, and the third strut 31 is socketed described the
The top of four struts 32, the 4th strut 32 is fixedly connected with fixed frame 51.
Further, the internal diameter of the third strut 31 is greater than the diameter of the 4th strut 32, the 4th strut 32
Length be greater than the third strut 31 length.
By sliding third supporting mechanism 4 on the first slide bar 11 and the second slide bar 52, third supporting mechanism 4 can be received
Contracting, so as to adjust the height of third supporting mechanism 4, so that the height of desk plate 7 is changed, to meet not of the same grade, no
With height student carry out using, be conducive to improve learning quality；By the way that position-limit mechanism 6 is arranged by fixed mechanism 5 and third branch
Support mechanism 4 is connected, can be convenient and efficient by the rotation rotary column 61 of handle 62 to drive third supporting mechanism 4 to shrink, and passes through
Position-limit mechanism 6 fixes third supporting mechanism 4, so that structure is more stable.Specifically have:
Firstly, student, which holds handle 62, rotates rotary column 61, so that 63 second sliding block 64 of the first sliding block is shunk along rotary column 61,
The second connecting rod 651, third connecting rod 652 are strutted along the rotation of link block 653 simultaneously, and connector 66 is similarly descended to strut promotion the
Four fixed links 48 are slided along second sliding slot 53, while the 4th fixed link 48 rotates along vulgar fixed link and drives the first fixed column
41, the second fixed column 42 moves downward, and the first fixed link 43 is pushed to slide along first sliding groove 12, so that third supports machine
Structure 4 shrinks height, and when contraction, the second strut 22 is contracted to the inside of the first strut 21, and the 4th strut 32 is contracted to third strut
31 inside, it is highly good to regulate, and caging bolt 23 is tightened, the first strut 21, the second strut 22 are fixed, and completing will
Desk height is turned down, when needing that height is turned up, it is only necessary to unscrew caging bolt 23, inverting rotary column 61 by handle 62 is
It can.
The present invention can be supported third by sliding third supporting mechanism 4 on the first slide bar 11 and the second slide bar 52
Mechanism 4 is shunk, so as to adjust the height of third supporting mechanism 4, so that the height of desk plate 7 is changed, to meet difference
Grade, different height student carry out using being conducive to improve learning quality；By setting position-limit mechanism 6 by fixed mechanism 5 with
Third supporting mechanism 4 is connected, can be convenient and efficient by the rotation rotary column 61 of handle 62 to drive third supporting mechanism 4 to shrink,
And third supporting mechanism 4 is fixed by position-limit mechanism 6, so that structure is more stable.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (9)
1. a kind of height-adjustable desk, it is characterised in that: including lower fixed frame (1), the top sides of the lower fixed frame (1)
It is symmetrically arranged at edge the first slide bar (11), the inside of first slide bar (11) offers first sliding groove (12)；
The bottom end of the lower fixed frame (1) is symmetrically arranged with the first supporting mechanism (2), the second supporting mechanism (3)；
The top of the lower fixed frame (1) is equipped with third supporting mechanism (4), and the third supporting mechanism (4) includes first fixed
Column (41), the second fixed column (42), the first fixed link (43), the second fixed link (44), third fixed column (45), the 4th fixed column
(46), third fixed link (47), the 4th fixed link (48) and the 5th fixed link (49)；
First fixed link (43) is slidably connected with the first sliding groove (12), and the third fixed link (47) is rotationally connected with
The top of the lower fixed frame (1), the both ends of first fixed link (43) respectively with first fixed column (41), described
The bottom ends of two fixed columns (42) is rotatablely connected, first fixed column (41), second fixed column (42) top pass through institute
It states the second fixed link (44) to be connected, second fixed link (44) and first fixed column (41), second fixed column
(42) be rotatablely connected, the both ends of the third fixed link (47) respectively with the third fixed column (45), the 4th fixed column
(46) bottom end rotation connection, the third fixed column (45), the top of the 4th fixed column (46) are solid by the described 4th
Fixed pole (48) is connected, and the 4th fixed link (48) and the third fixed column (45), the 4th fixed column (46) rotate
Connection, first fixed column (41), second fixed column (42), the third fixed column (45) and the described 4th fix
Column (46) is connected by the 5th fixed link (49), the 5th fixed link (49) and first fixed column (41), institute
State the second fixed column (42), the third fixed column (45), the 4th fixed column (46) rotation connection；
The top of the third supporting mechanism (4) be equipped with fixed mechanism (5), the fixed mechanism (5) include upper holder (51),
Second slide bar (52), second sliding slot (53), support frame (54), first connecting rod (55), connecting column (56), the first fixed ring (57)
And second fixed ring (58)；
The bottom end of fixed frame (51) and the top of first supporting mechanism (2), second supporting mechanism (3) are fixed
Connection, the top of fixed frame (51) is symmetrically arranged with second fixed ring (58), second fixed ring (58) and institute
The both ends rotation connection of the second fixed link (44) is stated, the bottom symmetrical of fixed frame (51) is equipped with second slide bar
(52), the inside of second slide bar (52) offers the second sliding slot (53), the internal slide of the second sliding slot (53)
It is connected with the 4th fixed link (48), support frame as described above (54), the support are symmetrically fixed at the top of upper holder (51)
The both ends of frame (54) are equipped with the first connecting rod (55), are connected between support frame as described above (54) by the connecting column (56)
It connects, the bottom of the connecting column (56) is equipped with first fixed ring (57)；
Position-limit mechanism (6) are equipped between support frame as described above (54), fixed frame (51), the position-limit mechanism (6) includes turning
Column (61), handle (62), the first sliding block (63), the second sliding block (64), upper connector (65) and lower connector (66)；
The rotary column (61) is set between support frame as described above (54), fixed frame (51), and one end of the rotary column (61) is set
Having the handle (62), the surface of the rotary column (61) is threaded with first sliding block (63), second sliding block (64),
The upper connector (65), the lower connector (66) are fixed between first sliding block (63), second sliding block (64),
The upper connector (65) includes the second connecting rod (651), third connecting rod (652) and link block (653), the link block
(653) it is rotatablely connected with first fixed ring (57), the both ends of the link block (653) are rotatably connected to second connection
Bar (651), the third connecting rod (652), the one end and institute of second connecting rod (651) away from the link block (653)
The first sliding block (63) rotation connection is stated, the third connecting rod (652) deviates from the one end and described second of the link block (653)
Sliding block (64) rotation connection, the lower connector (66) and the structure of the upper connector (65) are identical, contrary, under described
Connector (66) and the 4th fixed link (48) are rotatablely connected；
Desk plate (7) are fixed at the top of the first connecting rod (55).
2. a kind of height-adjustable desk according to claim 1, it is characterised in that: fixed frame (51), institute
State the length of lower fixed frame (1) with it is of same size, fixed frame (51) is parallel to each other with the lower fixed frame (1).
3. a kind of height-adjustable desk according to claim 1, it is characterised in that: first slide bar (11) and institute
The length for stating the second slide bar (52) is identical, and first slide bar (11) is parallel to each other with second slide bar (52).
4. a kind of height-adjustable desk according to claim 1, it is characterised in that: first fixed link (43),
Second fixed link (44), the third fixed link (47), the 4th fixed link (48) and the 5th fixed link
(49) length is identical, first fixed link (43), second fixed link (44), the third fixed link (47), described
It is parallel to each other two-by-two between 4th fixed link (48) and the 5th fixed link (49).
5. a kind of height-adjustable desk according to claim 1, it is characterised in that: the length of the rotary column (61) is big
In the length of the 5th fixed link (49), the rotary column (61) is parallel to each other with the 5th fixed link (49).
6. a kind of height-adjustable desk according to claim 1, it is characterised in that: first supporting mechanism (2)
Including the first strut (21), the second strut (22) and caging bolt (23), first strut (21) is perpendicularly fixed at described
At the bottom edge of lower fixed frame (1), first strut (21) is socketed second strut (22), second strut (22)
Top be fixedly connected with fixed frame (51), pass through institute between second strut (22), second strut (22)
Caging bolt (23) is stated to be connected.
7. a kind of height-adjustable desk according to claim 6, it is characterised in that: first strut (21) it is interior
Diameter is greater than the diameter of second strut (22), and the length of second strut (22) is greater than the length of first strut (21)
Degree.
8. a kind of height-adjustable desk according to claim 1, it is characterised in that: second supporting mechanism (3)
Including third strut (31) and the 4th strut (32), the third strut (31) is perpendicularly fixed at the bottom of the lower fixed frame (1)
End deviates from the side of first strut (21), and the third strut (31) is socketed the 4th strut (32), and described 4th
The top of bar (32) is fixedly connected with fixed frame (51).
9. a kind of height-adjustable desk according to claim 8, it is characterised in that: the third strut (31) it is interior
Diameter is greater than the diameter of the 4th strut (32), and the length of the 4th strut (32) is greater than the length of the third strut (31)
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148092.2A CN109259444A (en) | 2018-09-29 | 2018-09-29 | A kind of height-adjustable desk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148092.2A CN109259444A (en) | 2018-09-29 | 2018-09-29 | A kind of height-adjustable desk |
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| CN109259444A true CN109259444A (en) | 2019-01-25 |
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| CN201811148092.2A Pending CN109259444A (en) | 2018-09-29 | 2018-09-29 | A kind of height-adjustable desk |
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| CN2385600Y (en) * | 1999-09-29 | 2000-07-05 | 姜泽明 | TV stand capable of adjusting height |
| CN201894326U (en) * | 2010-11-16 | 2011-07-13 | 汪浩然 | Simply-adjusted table and chair |
| CN106617802A (en) * | 2016-12-26 | 2017-05-10 | 南华大学 | Intelligent lifting desk and chair |
| CN107788698A (en) * | 2017-11-01 | 2018-03-13 | 安徽上造智能设备科技有限公司 | A kind of household use can save the standby dining table in space-efficient |
| CN107594891A (en) * | 2017-11-13 | 2018-01-19 | 许昌市建安区实验中学 | A kind of classroom is with saying desk |
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Application publication date: 20190125 |
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