CN201216302Y

CN201216302Y - Height-adjustable table structure

Info

Publication number: CN201216302Y
Application number: CNU2008203005755U
Authority: CN
Inventors: 庄铭荣
Original assignee: KELLY CHEMICAL CO Ltd
Current assignee: KELLY CHEMICAL CO Ltd
Priority date: 2008-04-16
Filing date: 2008-04-16
Publication date: 2009-04-08
Anticipated expiration: 2018-04-16

Abstract

A lifting table comprises a tablet top, a first table leg and a second table leg, a lifting table rack with a first connecting support and a second connecting support, a first cylindrical helical gear set, a second cylindrical helical gear set, a first screw rod, a second screw rod, a transmission rod, and a handle. The lifting table is characterized in that the first cylindrical helical gear set is arranged inside a first accommodating space of the first connecting support, and the second cylindrical helical gear set is arranged inside a second accommodating space of second connecting support, so as to dispense with the box body of a gear box used in a conventional lifting table and directly place the gear sets inside the connecting supports, thereby reducing material amount required by the gear box and reducing assembly difficulty and time. Moreover, the lifting table has labor-saving effect during operation.

Description

The same table structure

Technical field:

The utility model relates to a kind of lifting structure, refers to a kind of same table that gear train is incorporated in the connecting support of being located under the table especially.

Background technology:

People all be unable to do without the use of desk when work, reading, drawing or operation, but because of the desktop bearing article of desk, bring people very big convenience.Yet, because people must be for a long time in desk pre-treatment affairs, so the appropriate degree of desk has very big influence for people.If operation before Tai Gao or too short desk for a long time, can cause the fatigue of user's eyes, the aching of hand, even the discomfort of vertebra make user's body and mind all tired.For improving the problems referred to above, being born gradually to change the desk of height, but problem is to utilize many material manufacturing assemblings, and not only cost can't reduce, do not meet the environmental protection notion yet, along with the evolution in epoch, environmental protection is the problem that society is more and more paid attention to, therefore, how not influence under the safe prerequisite, reducing the use of material, to safeguard environment and to reduce manufacturing cost, is the subject under discussion of paying attention to now.

In addition, because traditional same table is to be main the promotion and the strong point with the gearcase, therefore, when the weight on the desktop too concentrates on a place,, be easy to generate the destruction of moment and shearing for the junction of gearcase and connecting support, so will strengthen intensity herein, except that need improve the strength of materials of connecting support, also need pay special attention to the integrality of its junction, to avoid causing dangerous the generation.

The utility model content:

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of gear train is directly placed same table structure in the connecting support.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of same table structure, comprise a table, one first runners and one second runners, a same table frame, one first cylindric spiral gear group, one second cylindric spiral gear group, one first screw rod, one second screw rod, a drive link and leader, this first runners and second runners comprise pipe in a pedestal, the outer tube, respectively, this pedestal is strip, is concaved with an engagement groove; This outer tube is inserted in this engagement groove; Should be convexly set on this engagement groove by interior pipe, and in conjunction with a nut, caliber of pipe is less than the caliber of this outer tube in this; This same table frame is incorporated between this table and this runners, comprises one first connecting support, reaches one second connecting support; This first connecting support is a strip body, comprise an end face, a bottom surface and at least one side, in interior formation one first accommodation space, this second connecting support is a strip body, comprise an end face, a bottom surface and at least one side, in interior formation one second accommodation space, this first connecting support and second connecting support are located at the opposite end of this table bottom surface respectively, and make the end face periphery of each connecting support be incorporated into this table bottom surface; This drive link connects this first cylindric spiral gear group and this second cylindric spiral gear group, and this first cylindric spiral gear group and this second cylindric spiral gear group are rotated synchronously; This handle is located at outside this first connecting support, and combines with the first cylindric spiral gear group; Drive this first cylindric spiral gear group by rotating this handle, and drive this second cylindric spiral gear group rotation synchronously, so that this first connecting support and this second connecting support synchronization lifting through this drive link; Be characterized in: described first cylindric spiral gear is mounted in this first accommodation space; This second cylindric spiral gear is mounted in this second accommodation space; The bottom surface that this first screw rod passes this first joint portion is connected with this first cylindric spiral gear group, and is bolted in the nut on this first runners; This second screw rod passes the bottom surface of this second joint portion, is connected with this second cylindric spiral gear group, and is bolted in nut on this second runners.

So, the box body of the gearcase that traditional same table can be used is removed, and directly gear train is placed in the connecting support, can reach and reduce the required material quantity of gearcase, moreover, owing to connecting support is incorporated under the table elongatedly, so can bear bigger strength, not flexural deformation easily, and,, reduce distance with table because gear train is positioned at this connecting support, so the user has more the labour-saving effect when operation; Again, the minimizing of material, component count can reduce the degree of difficulty and the time length of assembling, thus can significantly reduce cost, and be the most a mental and physical efforts of environmental protection.

Again, the utility model uses the gear train that cylindric spiral gear constituted, because the number of teeth that cylindric spiral gear is engaged with each other is many, so have the bearing capacity high than bevel gear, the difficult phenomenon such as tooth that collapses has also relatively improved its service life.

In addition, gear train of the present utility model can be installed according to user's demand, for example only need to shake, then can only use two gears to come transmission, drive by table body the place ahead if desire by the side of table body, then can use three or the gear of greater number drives, the design that this kind is customized also has suitable variable flexibility, can be according to requiring to assemble, also can save partly material, take into account the advantage that environmental protection and cost reduce.

For doing further to understand to the utility model, and be that the technology personage of same industry can be implemented according to specification of the present utility model and embodiment, so it is as follows to disclose a preferred implementation, with constitution content of the present utility model and the effect reached describes in detail as after.

Description of drawings:

Fig. 1 is the stereogram of the utility model embodiment.

Fig. 2 does not have the stereogram of table for the utility model embodiment.

Fig. 3 is the perspective view of the utility model embodiment.

Fig. 4 is first runners of the utility model embodiment and the enlarged perspective of first connecting support.

Fig. 5 is second runners of the utility model embodiment and the enlarged perspective of second connecting support.

Fig. 6 is the perspective view of the utility model embodiment first another embodiment of runners.

Label declaration:

10 ... table 20 ... first runners

21 ... pedestal 211 ... engagement groove

22 ... outer tube 23 ... interior pipe

30 ... second runners 31 ... pedestal

311 ... engagement groove 32 ... outer tube

33 ... interior pipe 40 ... the same table frame

41 ... first connecting support 411 ... end face

412 ... bottom surface 413 ... the side

414 ... first accommodation space 42 ... second connecting support

421 ... end face 422 ... the bottom surface

423 ... side 424 ... second accommodation space

43 ... the first cylindric spiral gear group 431 ... first driving wheel

432 ... first driven pulley 433 ... first connecting traction wheel

44 ... the second cylindric spiral gear group 441 ... second driven pulley

442 ... second connecting traction wheel 45 ... first screw rod

46 ... second screw rod 47 ... drive link

48 ... handle 50 ... fixed head

S ... nut H ... cover body

A1 ... body of rod A2 ... the body of rod

The specific embodiment:

See also Fig. 1 to shown in Figure 3; the utility model is a kind of same table structure; it comprises a table 10; one first runners 20; one second runners 30 and a same table frame 40; wherein this table 10 places the top of this first runners 20 and this second runners 30; this same table frame 40 is located between this table 10 and this first runners 20 and this second runners 30; described first runners 20 comprises a pedestal 21 respectively with this second runners 30; 31; one outer tube 22; pipe 23 in 32 and one; 33; this pedestal 21 wherein; 31 are strip; and be concaved with an engagement groove 211; 311; and this outer tube 22; 32 are inserted in above-mentioned engagement groove 211; 311; should interiorly manage 23; 33 are convexly set in this engagement groove 211; on 311; and in conjunction with a nut S; wherein should interiorly manage 23; 33 caliber is less than this outer tube 22; 32 caliber; so should interiorly manage 23; 33 are positioned at this outer tube 22; within 32, can reach pipe 23 in the protection by this; 33 effect.

See also Fig. 3 to shown in Figure 5, this same table frame 40 comprises one first connecting support 41, one second connecting support 42, one first cylindric spiral gear group 43, one second cylindric spiral gear group 44, one first screw rod 45, one second screw rod 46, one drive link 47 and leader 48, wherein this first connecting support 41 is a strip body, it comprises an end face 411, one bottom surface 412 and at least one side 413, in interior formation one first accommodation space 414, this second connecting support 42 also is a strip body, comprise an end face 421, one bottom surface 422 and at least one side 423 are in interior formation one second accommodation space 424; This first connecting support 41 and this second connecting support 42 are located at the opposite end of these table 10 bottom surfaces respectively, and make end face 411,421 peripheries of each connecting support be incorporated into the bottom surface of this table 10; Again, in this first accommodation space 414, be provided with this first cylindric spiral gear group 43, in this second accommodation space 424, be provided with this second cylindric spiral gear group 44; This first screw rod 45 passes the bottom surface 412 of this first connecting support 41, is connected with this first cylindric spiral gear group 43, and is bolted in nut S on this first runners 20; This second screw rod 46 passes the bottom surface 422 of this second connecting support 42, is connected with this second cylindric spiral gear group 44, and is bolted in nut S on this second runners 30; This drive link 47 connects this first cylindric spiral gear group 43 and this second cylindric spiral gear group 44, and this first cylindric spiral gear group 43 can be rotated synchronously with this second cylindric spiral gear group 44; This handle 48 is located at outside above-mentioned first connecting support 41, and can combine with the above-mentioned first cylindric spiral gear group 43, the user can see through this handle 48 of rotation and drive this first cylindric spiral gear group 43, and see through this second cylindric spiral gear group, 44 rotations of this drive link 47 drive synchronously, so that this first connecting support 41 and these second connecting support, 42 synchronization liftings.Because the utility model is mounted on each cylindric spiral gear in each connecting support, reduce material and the advantage that reduces cost so have.

Again; as Fig. 4 and shown in Figure 5; this first screw rod 45 is respectively equipped with a cover body H with these second screw rod, 46 outsides; and the end of each cover body H is welded in this first connecting support 41 and these second connecting support, 42 belows respectively; can be used for protecting inboard screw rod by this; avoid being subjected to foreign matter and invade, cause screw rod to be damaged.

Moreover, this first cylindric spiral gear group 43 comprises one first driving wheel 431, one first driven pulley 432 and one first connecting traction wheel 433, this first driving wheel 431 is distinguished Vertical Meshing with this first driven pulley 432, this first connecting traction wheel 433 again, and this first driving wheel 431 utilizes a body of rod A1 to be connected with this handle 48, and this first driven pulley 432 is connected with this first screw rod 45; And this second cylindric spiral gear group 44 comprises one second driven pulley 441 and one second connecting traction wheel 442, this second driven pulley 441 is connected with this second screw rod 46, this second connecting traction wheel 442 is connected with this drive link 47, and this second driven pulley 441 and these second connecting traction wheel, 442 mutual Vertical Meshing; So when the user utilizes handle 48 to rotate this first driving wheel 431, this second cylindric spiral gear group 44 also can be rotated thereupon, this first screw rod 45 and this second screw rod 46 are rotated with respect to the nut S that is screwed togather simultaneously, and make this first connecting support 41 and this second connecting support 42 produce the displacement that moves up and down, rise or descend so can drive this table.

Again, can be according to customer demand, the mode of only using side to shake drives integral body, as shown in Figure 6, it is that first driving wheel 431 of this first cylindric spiral gear group 43 is removed, only stay first driven pulley 432 and first connecting traction wheel 433, and make the two mutual Vertical Meshing, this first connecting traction wheel 433 is convexly equipped with a body of rod A 2 and is connected with handle 48, after so the user utilizes handle 48 to rotate this first connecting traction wheel 433, this first screw rod 45 can drive this second connecting traction wheel 442 synchronously, so can rise or descend by the moving desktop 10 of while rotating band with this second screw rod 46.Because gear train of the present utility model can design with client's demand, so increased customized flexibility.

In addition, as shown in Figure 1, can between the outer tube 32 on the outer tube 22 on this first runners 20 and this second runners 30, be connected a fixed head 50, utilize this fixed head 50 to strengthen the support force of two runners, and increase fulcrum, avoid a body 10 to rock.

The utilization that the utility model can be derived according to this is in extensive range, in addition because of careful choosing of material and simple structure, so the production efficiency that can double also can be taken into account production cost, and can significantly reduce, is applicable to a large amount of productions on user's buying expenses, real tool industrial utilization.

Claims

1. same table structure, comprise a table, one first runners and one second runners, a same table frame, one first cylindric spiral gear group, one second cylindric spiral gear group, one first screw rod, one second screw rod, a drive link and leader, this first runners and second runners comprise pipe in a pedestal, the outer tube, respectively, this pedestal is strip, is concaved with an engagement groove; This outer tube is inserted in this engagement groove; Should be convexly set on this engagement groove by interior pipe, and in conjunction with a nut, caliber of pipe is less than the caliber of this outer tube in this; This same table frame is incorporated between this table and this runners, comprises one first connecting support, reaches one second connecting support; This first connecting support is a strip body, comprise an end face, a bottom surface and at least one side, in interior formation one first accommodation space, this second connecting support is a strip body, comprise an end face, a bottom surface and at least one side, in interior formation one second accommodation space, this first connecting support and second connecting support are located at the opposite end of this table bottom surface respectively, make the end face periphery of each connecting support be incorporated into this table bottom surface; This drive link connects this first cylindric spiral gear group and this second cylindric spiral gear group, and this first cylindric spiral gear group and this second cylindric spiral gear group are rotated synchronously; This handle is located at outside this first connecting support, and combines with the first cylindric spiral gear group; Drive this first cylindric spiral gear group by rotating this handle, and drive this second cylindric spiral gear group rotation synchronously, so that this first connecting support and this second connecting support synchronization lifting through this drive link;

It is characterized in that: described first cylindric spiral gear is mounted in this first accommodation space; This second cylindric spiral gear is mounted in this second accommodation space; The bottom surface that this first screw rod passes this first joint portion is connected with this first cylindric spiral gear group, and is bolted in the nut on this first runners; This second screw rod passes the bottom surface of this second joint portion, is connected with this second cylindric spiral gear group, and is bolted in nut on this second runners.

2. same table structure as claimed in claim 1 is characterized in that: described first screw rod and this second screw rod outside are respectively equipped with a cover body, and an end of each cover body is welded in this first connecting support and this second connecting support bottom surface respectively.

3. same table structure as claimed in claim 2, it is characterized in that: the described first cylindric spiral gear group comprises one first driving wheel, one first driven pulley and one first connecting traction wheel, this first driving wheel and this first driven pulley, this first connecting traction wheel be Vertical Meshing respectively, and this first driving wheel is connected with this handle with a body of rod, this first driven pulley is connected in this first screw rod, and this first connecting traction wheel is connected with this drive link.

4. same table structure as claimed in claim 2, it is characterized in that: the described first cylindric spiral gear group comprises one first connecting traction wheel and one first driven pulley, this first connecting traction wheel and this first driven pulley Vertical Meshing again, and this first connecting traction wheel is connected with this handle in conjunction with a body of rod, and the end in addition of this first connecting traction wheel is connected in a drive link, and this first driven pulley is connected in this first screw rod.

5. as claim 3 or 4 described same table structures, it is characterized in that: the described second cylindric spiral gear group comprises one second driven pulley and one second connecting traction wheel, this second driven pulley is connected with this second screw rod, this second connecting traction wheel is connected with this drive link, and this second driven pulley and the mutual Vertical Meshing of this second connecting traction wheel.

6. same table structure as claimed in claim 5 is characterized in that: described same table further connects a fixed head, and an end of this fixed head is connected in the outer tube on this first runners, and end then is connected in the outer tube on this second runners in addition.