CN208354952U

CN208354952U - A kind of adjustable desk

Info

Publication number: CN208354952U
Application number: CN201721554114.6U
Authority: CN
Inventors: 张国涛
Original assignee: Chongqing Guo Xiang Innovation Teaching Equipment Co Ltd
Current assignee: Chongqing Guo Xiang Innovation Teaching Equipment Co Ltd
Priority date: 2017-11-20
Filing date: 2017-11-20
Publication date: 2019-01-11
Anticipated expiration: 2027-11-20

Abstract

The adjustable desk of the present invention includes a desk box and a support frame at the bottom thereof, the support frame includes a U support frame and a T-shaped support seat, and two U support frames are arranged opposite to each other. On both sides of the bottom of the tabletop box, a T-shaped support seat is located at the bottom of the U support frame and connected to its support; the T-shaped support seat includes two relatively parallel retractable vertical rods and a horizontal rod vertically arranged at the bottom of the vertical rods , the vertical rod is fixed in the middle of the horizontal rod, and a pedal rod is arranged between the two vertical rods; the vertical rod includes an upper sleeve and a lower sleeve that are inserted into each other, the upper sleeve is provided with an adjustment hole, and the lower sleeve is provided with an adjustment hole. There are locking holes matched with the adjustment holes. The effective cooperation between the adjustment hole and the locking hole achieves the purpose of adjusting the height of the table; the design of the U support frame allows the table box to be directly hung on the two installation pipes, which reduces the installation steps and makes the installation of the table faster and easier; The special-shaped cross-sectional structure can increase the load-bearing capacity of the vertical rod and prolong the service life.

Description

A kind of adjustable desk

Technical field

The utility model relates to teaching equipment fields, and in particular to a kind of adjustable desk.

Background technique

School is unitized for teaching equipment, most of to use more bulky integral type desk and chair, cannot be according to difference The height of student rationally adjusts table height, for student at rotation seat, will lead to sitting posture of student and does not meet physiology need Ask, be easy to cause bend over, bow-backed phenomenon；Most of desk side faces structure in the shape of an " I " or T-shaped structure, table case one As be fixed on support rod by screw etc., operate not simple enough；And the support rod of the support frame of the use of current desk Mostly ellipticity or rectangular cross-section keep its intensity not high enough, and student when in use desktop stack article very More, some students can also often rock desk, and the pressure for causing support frame to carry is very big, reduced service life.

Summary of the invention

For the deficiency in the presence of the prior art, the utility model provides a kind of adjustable desk, solves existing The problems such as desk cannot be increased according to student and is adjusted, and the installation of table case is not succinct enough, and support rod ability to bear is not strong.

To achieve the above object, the utility model uses the following technical solution: a kind of adjustable desk, including desktop Case and support frame positioned at its bottom, support frame as described above include U support frame and T shape support base, and the U support frame is two and phase To the two sides that desktop bottom portion is arranged in, the quantity Matching of T shape support base and U support frame is simultaneously respectively positioned on U support frame bottom and its Support connection；

Each U support frame includes horizontally disposed bearing tube and is located at its both ends vertically installing pipe disposed in parallel, is installed At right angle, installing pipe is connect with bearing tube by arc tube for pipe and bearing tube angle；

Each T shape support base include telescopic vertical bar and be located at the vertically disposed horizon bar in vertical bar bottom, the one of vertical bar End is fixed in the middle part of horizon bar, and the other end of vertical bar is fixed on the middle part of bearing tube；Treadle is provided between described two vertical bars； The vertical bar includes the upper bush and lower sleeve for being mutually inserted setting, and upper bush is equipped with multiple adjustment holes, and lower sleeve is equipped with more A locking hole with adjustment hole cooperation；

The upper bush and lower sleeve are the identical tubular body in cross section, and the cross section of the tubular body is straight by one The ring structure that side and three arc-shaped sides are formed is connected by external arc transition between adjacent side；Three arc-shaped sides include two phases Long side that is corresponding with straight flange to the short side for being arranged and being recessed inwardly and one and being bent outwardly.

Compared with the prior art, the utility model has the following beneficial effects: the adjustment structure being arranged on support frame vertical bar, The mesh for adjusting table height can be reached by effective cooperation of adjustment hole and locking hole, to realize can meet different heights It is raw to use, avoid hunch etc.；The design of U support frame can disperse the load-bearing pressure of bracket, desktop case can also be allowed direct It hangs in two installing pipes, reduce installation steps while keeping the installation of desk more quick and easy；The special-shaped cross-section knot of vertical bar Structure can increase the load-bearing capacity of vertical bar, prolong the service life.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the side view of the utility model；

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

Fig. 4 is this upper bush cross-sectional view.

In attached drawing: desktop case 1, vertical bar 2, U support frame 3, horizon bar 4, treadle 5, rectangle desktop 6, table case 7, sets of holes 8, Upper bush 9, straight flange 91, short side 92, long side 93, lower sleeve 10, adjustment hole 11, locking hole 12, antiskid glue sleeve 13, installing pipe 31, Arc tube 32, bearing tube 33, fixing piece 51.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

As shown in Figure 1 to 4, a kind of adjustable desk described in the utility model, including desktop case 1, support frame, it is described Support frame includes U support frame 3 and T shape support base, and the U support frame 3 is two and is oppositely arranged on the two of 1 bottom of desktop case Side, T shape support base and the quantity Matching of U support frame 3 are simultaneously respectively positioned on 3 bottom of U support frame and support with it and connect.

Each T shape support base includes telescopic vertical bar 2 and is located at the vertically disposed horizon bar 4 in 2 bottom of vertical bar, is erected Bar 2 is fixed on 4 middle part of horizon bar, and the other end of vertical bar 2 is fixed on the middle part of bearing tube 33；Treadle 5 is equipped between two vertical bars 2, Treadle 5 uses side outward bending certain radian away from user, and the treadle 5 with bending radian designed in this way makes under desktop Use space is bigger；Treadle 5 is mounted on 2 lower end of vertical bar close at 4 position of horizon bar, and installation site is to have with the use of person The sitting posture of the most comfortable；The horizon bar 4 is horizontal straight-bar, and 4 both ends of horizon bar are additionally provided with antiskid glue sleeve 13, is risen to desk fixed anti- Sliding effect；Vertical bar 2 and horizon bar 4 use plug-in type welding manner, and this mounting means is than the welding that general surface contacts Mode is more firm；Treadle 5 is fixedly mounted on vertical bar 2 by the way that 51 entirety of fixing piece is stuck by screw；Vertical bar 2 and horizon bar 4, the connection of treadle 5 forms stable support construction, also provides guarantee for the safety in desk use process.The vertical bar 2 Upper bush 9 and lower sleeve 10 including being mutually inserted setting, upper bush 9 are equipped with multiple adjustment holes 11, and lower sleeve 10 is equipped with more A locking hole 12 cooperated with adjustment hole 11, the distance of the adjacent adjustment hole 11 of two of them is two adjacent 12 distances of locking hole Half, such design can have the function that adjusting table height, use height to desk difference to meet the student of different heights The requirement of degree.The upper bush 9 and lower sleeve 10 are the identical tubular body in cross section, and the cross section of the tubular body is by one The ring structure that straight flange 91 and three arc-shaped sides are formed is connected by external arc transition between adjacent side；Three arc-shaped sides include Two are oppositely arranged and the short side 92 being recessed inwardly and a long side 93 that is corresponding with straight flange 91 and being bent outwardly；The abnormal shape of vertical bar Cross-sectional structure can increase its load-bearing capacity compared to the vertical bar of previous oval cross section or rectangular cross-sectional, extend and use the longevity Life；And the setting that is recessed inwardly of vertical bar both sides positioning when can help to install, facilitate the installation pair of upper bush and lower sleeve It connects.

Each U support frame 3 is disposed in parallel straight up including horizontally disposed bearing tube 33 and positioned at its both ends Installing pipe 31, installing pipe 31 and 33 angle of bearing tube are connect with bearing tube 33 by arc tube 32 at right angle, installing pipe 31；U branch Support 3 is directly bent using elliptical tube, is an integral structure, is enhanced whole bearing capacity, and can pass through mold Rapid shaping, consistency with higher can be carried out batch production.The vertical bar 2 is welded on bearing tube 33 by plug-in type and exists Lower section middle position, vertical bar 2, horizon bar 4, bearing tube 33 can form " work " word rock-steady structure from the side.

The desktop case 1 includes rectangle desktop 6 and table case 7, and rectangle desktop 6 and table case 7 are in integral structure, table case The 7 both sides settings parallel with 6 short side of rectangle desktop can directly be hung over there are two canister aperture 8, desktop case 1 is installed by sets of holes 8 In installing pipe 31, such design keeps desk assembling, disassembly, transport all more convenient.And the desktop of the utility model uses Micro-crystal plate material, it is more preferable than previous woven design veneer texture, be easier to arrange, and bacteria can be prevented from growing；The overall steel knot of desk Structure spray painting using the outdoor paint of environmental protection, than previous use it is common paint it is more not easy to change, using zero formaldehyde, non-stimulated, more Add environmental protection.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims

1. An adjustable desk, comprising a desk box (1) and a support frame at its bottom, wherein the support frame comprises a U support frame (3) and a T-shaped support seat, the U support frame (3) are two and are oppositely arranged on both sides of the bottom of the table box (1), the number of T-shaped support bases and the U support frame (3) are matched and both are located at the bottom of the U support frame (3) and are connected to its support;

Each U support frame (3) includes a horizontally arranged load-bearing pipe (33) and a vertical parallel installation pipe (31) at both ends thereof. The pipe (31) is connected with the load-bearing pipe (33) through the arc pipe (32);

Each T-shaped support base includes a retractable vertical rod (2) and a horizontal rod (4) vertically arranged at the bottom of the vertical rod (2). One end of the vertical rod (2) is fixed in the middle of the horizontal rod (4). The other end is fixed in the middle of the load-bearing pipe; a step rod (5) is arranged between the two vertical rods (2); the vertical rod (2) includes an upper sleeve (9) and a lower a sleeve (10), the upper sleeve (9) is provided with a plurality of adjustment holes (11), and the lower sleeve (10) is provided with a plurality of locking holes (12) matched with the adjustment holes (11);

The upper sleeve (9) and the lower sleeve (10) are both tubular bodies with the same cross-section, and the cross-section of the tubular body is an annular structure formed by a straight side (91) and three arc-shaped sides, adjacent to each other. The sides are transitionally connected by an outer arc; the three arc-shaped sides include two short sides (92) arranged oppositely and concave inwards and a long side (93) corresponding to the straight side (91) and curved outwards.

2 . The adjustable desk according to claim 1 , wherein the U support frame ( 3 ) is an integral structure formed by bending an elliptical tube. 3 .

3. An adjustable desk according to claim 2, characterized in that: the table board box (1) comprises a rectangular table board (6) and a table box (7), and the rectangular table board (6) It has an integral structure with the table box (7). The two sides of the table box (7) parallel to the short side of the rectangular table board (6) are provided with a plurality of sleeve holes (8). (31) Mating connection.