CN201617379U - Desktop height adjusting device - Google Patents

Abstract

The utility model discloses a desktop height adjusting device, which comprises a base, a driving cylinder, a carriage and two anti-slip pads, wherein the rear parts of foot poles at the two sides of the base are respectively and obliquely extended upwards to form a main hollow support bar, a collar is arranged at the peripheries of the upper parts of the two main support bars, the corresponding positions of the collar and the main support bars are respectively provided with a flexible notch, by utilizing the forced pressing and tightening of a fixed component, the inner pipe diameter of the upper parts of the main support bars is reduced, the driving cylinder is arranged between the base and the carriage, the lower parts of the two main support bars of the carriage are respectively provided with an auxiliary support bar which is matched with the shape of the main support bars but is smaller, so the carriage can utilize the auxiliary support bars to be nested in the main support bars in a penetrating way and displace in the main support bars, and thereby the adjusting and lifting functions are obtained, under the combined action of the natural forward inclination caused by the weight of the carriage, the auxiliary support bars are driven to clamp and prop against the main support bars in an inclined way, so an elementary positioning can be actively obtained after adjustment.

Description

The height of table top adjusting device

Technical field

The utility model relates to a kind of height of table top adjusting device, refer to especially a kind ofly can finish adjustment, but not with collar fastening before, utilize the transfer of center of gravity earlier, adjusted height is made preliminary fixing desktop adjusting device.

Background technology

In today that information is maked rapid progress, have only constantly and enrich, just can avoid own is eliminated by the epoch mighty torrent, and form good reading habit, nothing more than being a kind of good method, so-called " a workman wants to do his work well must first sharpen his tools " again, a good desk, use not only comfortablely, more help to promote mood in study, with to reach best reading effect; But because structures such as general common desk, desk, more its desktop is established and is fixed form, so for the user that height differs and be not suitable for, especially just child at developmental school age, its height is constantly to change, so more need the table body structure of adjustable lifting.

And the table body structure of general adjustable lifting at present, how as shown in Figure 8, it includes: a foot rest 50, one supporting seat 60 and a cylinder pressure 70, wherein foot rest 50 has two foot levers 51, each uprightly is extended with an outer tube 52 two foot levers, 51 tops, outer tube 52 top peripheries also are installed with a collar 53, supporting seat 60 tops are installed with a desktop 61, each down is extended with pipe 62 in both sides, pipe 62 is set in the outer tube 52 of foot rest 50 in utilizing, and can be at outer tube 52 intrinsic displacements, military order supporting seat 60 can obtain the function of lift adjustment together with desktop 61, cooperates the fastening of collar 53, just can after adjustment supporting seat 60 be fixed, cylinder pressure 70 is to be installed between foot rest 50 and the supporting seat 60, and makes extension rod 71 sustainable application of force of up stretching out when normality of cylinder pressure 70.

But, though aforesaid existing structure can reach the purpose of desktop adjustment height, but still have following problem points in actual applications: (one) is because the extension rod 71 of cylinder pressure 70 has the power of stretching out that continues up, and desktop 61 is after adjustment and can't the former head moving supporting seat 60 be done preliminary location, and need the user to buttress with hand always, do collar 53 fastening again, just can avoid adjusted height, again because extension rod 71 continue stretch out, and be changed, so this structure is not attained in design yet as for desirable state, and utmost point part to be improved is arranged; (2) owing to the user needs buttress with hand always, just can avoid adjusted height to be changed again, if because loose one's grip accidentally for the moment, or the strength that buttresses is when too small, its adjusted height still might change again, and need again spended time that it is recalled to, and therefore, the preferable convenience that the real not tool of this structure uses.

Be with, how to research and develop improvement at the existing shortcoming of table body structure of above-mentioned existing adjustable lifting, real target for the required effort research and development of relevant industry, the utility model people in view of this, be to think and the idea of utility model, satisfy with for many years experience and designed, through inquiring into and study sampling test in many ways, and repeatedly revise improvement, be to release the utility model.

The utility model content

(1) technical problem that will solve

Existing table body after adjustment, but collar is not done fastening before, it highly still can change again, and needs spended time that it is recalled to again, and increases the inconvenience of using on foot, this is the technical problem point that desire solves.

(2) technical scheme

The utility model provides a kind of height of table top adjusting device, it includes: a base, one driving cylinder, one bracing frame and two sliding-proof pads, wherein, base is the foot lever support ground with both sides, between foot lever and be provided with a lower connecting rod, one end of driving cylinder can be fixed on this lower connecting rod, then each is extended with the main strut of a hollow toward tilting at the rear, this two main struts top periphery also is provided with a collar, and the opposite position of this collar and main strut is respectively cut and is provided with an elasticity breach, with utilize retaining element compel push against solid, and make the interior caliber above the main strut be dwindled, driving cylinder is the pneumatic cylinder of clear way valve, so not needing to utilize the switching of magnetic valve to control it advances, exhaust, the expansion link that is set in the Master cylinder body is outwards initiatively stretched out when normality, bracing frame is respectively to be provided with one to cooperate the main strut shape but less secondary pole below two support arms, allow bracing frame can utilize secondary pole to be set in the main strut, and at the main strut intrinsic displacement, and the function of lifting is adjusted in acquisition, cooperate leaning forward naturally of bracing frame weight again, driving secondary pole fastens on main strut with oblique state, just can after adjustment, initiatively obtain preliminary location, be provided with a upper connecting rod again between the inboard of two support arms, the driving cylinder other end promptly is fixed on this upper connecting rod, the back segment top respectively is provided with a projection, then be pivoted with a desktop between the place ahead, this desktop also can be by the control of cutting of angular adjustment apparatus, change its height of steeving, or directly down be positioned on the projection by touching, sliding-proof pad is to be set in the main strut, and between between main strut and secondary pole, with the anti-slip effect that utilizes sliding-proof pad to be produced, increase its detent force, with this, to obtain a kind of height of table top adjusting device.

(3) beneficial effect

The utility model provides the height of table top adjusting device, its bracing frame utilizes the transfer of center of gravity, and fasten design in main strut with secondary pole, adjustment can be finished, but not with collar fastening before, produce the Primary Location effect of an active, allow the user not need to buttress bracing frame always, also do not worry that the driving cylinder that bracing frame can be extended again drives change, the bracing frame that should not need relatively to expend time in again after changing is recalled to required height, so in the use will be quite easily, convenient, and save time, laborsaving.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is the stereo appearance figure of another angle of the utility model;

Fig. 3 is a side plan view of the present utility model;

Fig. 4 is the state diagram that the utility model adjustment descends;

Fig. 5 is the adjusted Primary Location figure of the utility model;

Fig. 6 is the state diagram that the utility model adjustment is risen;

Fig. 7 is another enforcement illustration of the utility model;

Fig. 8 is existing structure figure.

[main element symbol description]

The utility model part:

Base----10 foot levers-----11

Lower connecting rod--12 main struts----13

Collar-----14

Driving cylinder----20 Master cylinder bodies----21

Expansion link----22

Bracing frame----30 support arms-----31

Secondary pole----32 upper connecting rod---33

Projection----34 desktops-----35

Angular adjustment apparatus-36 auxiliary table surface----37

Sliding-proof pad----40

Partly existing:

But frame----50 foot levers-----51

Outer tube----52 collars-----53

Supporting seat----60 desktops-----61

Interior pipe-----62

Cylinder pressure----70 extension rods----71

The specific embodiment

Understand and understanding for your juror can be had further the purpose of this utility model, feature and effect, below please cooperate [brief description of drawingsfig] to enumerate embodiment now, detailed description is as the back:

At first, earlier please by Fig. 1, Fig. 2 and sight shown in Figure 3 it, it includes: a base 10, one driving cylinder 20, one bracing frame 30 and two sliding-proof pads 40, wherein, base 10 is the foot lever 11 support ground with both sides, 11 of foot levers also are provided with a lower connecting rod 12, one end of driving cylinder 20 can be fixed on this lower connecting rod 12, the rear is each past main strut 13 that tilts and be extended with a hollow then, these two main struts, 13 top peripheries also are provided with a collar 14, and this collar 14 is respectively cut with the opposite position of main strut 13 and is provided with an elasticity breach, with utilize retaining element (as quick detach or bolt) compel push against solid, and make the interior caliber of main strut 13 tops be dwindled, driving cylinder 20 is the pneumatic cylinder of clear way valve, so not needing to utilize the switching of magnetic valve to control it advances, exhaust, the expansion link 22 that is set in the Master cylinder body 21 is outwards initiatively stretched out when normality, bracing frame 30 is respectively to be provided with one to cooperate main strut 13 shapes but less secondary pole 32 below two support arms 31, allow bracing frame 30 can utilize secondary pole 32 to be set in the main strut 13, and at main strut 13 intrinsic displacements, and the function of lifting is adjusted in acquisition, cooperate leaning forward naturally of bracing frame 30 weight again, driving secondary pole 32 fastens on main strut 13 with oblique state, just can after adjustment, initiatively obtain preliminary location, be provided with a upper connecting rod 33 again between the inboard of two support arms 31, driving cylinder 20 other ends promptly are fixed on this upper connecting rod 33, the back segment top respectively is provided with a projection 34, then be pivoted with a desktop 35 between the place ahead, this desktop 35 also can be by the control of cutting of angular adjustment apparatus 36, change its height of steeving, or directly down be positioned on the projection 34 by touching, sliding-proof pad 40 is set in the main strut 13, and between 32 of main strut 13 and secondary poles, with the anti-slip effect that utilizes sliding-proof pad 40 to be produced, increase its detent force.

The use of its structure, when desire control desktop 35 descends (please simultaneously by sight shown in Figure 4 it), be earlier collar 14 to be loosened, and a downforce is bestowed in the arbitrary position that is close to driving cylinder 20 above desktop 35, allow bracing frame 30 can utilize the transfer of center of gravity, driving its place ahead lifts, should be when lifting, be secondary pole 32 can be set upright, its strength that fastens is that nature is eliminated, cooperate pressing down of strength, just can force synchronously in the expansion link 22 of driving cylinder 20 and contract, desktop 35 can glide in the scope that main strut 13 sets relatively together with bracing frame 30, after treating down to slide to desired height, again the strength that presses down is removed, the state that allows secondary pole 32 return back to originally to fasten (please simultaneously by sight shown in Figure 5 it), thus, just can allow bracing frame 30 obtain preliminary location, before preventing that collar 14 is fastening, the effect when promptly having bracing frame 30 stretched out by driving cylinder 20, and make it adjust reformed highly again phenomenon generation of back; When desire control desktop 35 rises (please simultaneously by sight shown in Figure 6 it) again, also collar 14 is loosened, and directly in desktop 35 the place ahead application of forces, so that bracing frame 30 is set upright together with desktop 35, and,, can utilize this expansion link 22 to stretch out assisting of strength so set upright when allowing secondary pole 32 not fasten on main strut 13 when bracing frame 30 because the expansion link 22 of driving cylinder 20 can be initiatively protruding, and initiatively the whole bracing frame 30 of pushing tow should will be laborsaving relatively when adjusting together with desktop 35 upwards.

In addition, also be provided with an auxiliary table surface 37 between the rear of bracing frame 30 2 support arms 31, increase its whole material-putting space, or also can only use a bigger desktop 35 (please simultaneously by sight shown in Figure 7 it) on this bracing frame 30 separately to utilize this auxiliary table surface 37, in view of the above, identical effect will be obtained.

Structure by above-mentioned specific embodiment, can obtain following benefit: its bracing frame 30 utilizes the transfer of center of gravity, and fasten design in main strut 13 with secondary pole 32, be to finish adjustment, but not with collar 14 fastening before, produce the Primary Location effect of an active, allow the user not need to buttress bracing frame 30 always, also do not worry that the driving cylinder 20 that bracing frame 30 can be extended again drives change, the bracing frame 30 that should not need relatively to expend time in again after changing is recalled to required height, so in the use will be quite easily, convenient, and save time, laborsaving.

In sum, the utility model has reached breakthrough structural design really, and has the utility model content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model do not see any publication, also have a novelty, when the regulation that meets the relevant law of Patent Law, the whence proposes novel patent application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

Only the above person only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the utility model claim scope generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (5)

1. height of table top adjusting device, it includes: a base, one driving cylinder and a bracing frame, wherein, base is the foot lever support ground with both sides, between foot lever and be provided with a lower connecting rod, one end of driving cylinder can be fixed on this lower connecting rod, then each up is extended with the main strut of a hollow at the foot lever rear, this two main struts top periphery also is provided with a collar, and the opposite position of this collar and main strut is respectively cut and is provided with an elasticity breach, with utilize retaining element compel push against solid, and making the interior caliber above the main strut be dwindled, driving cylinder is the pneumatic cylinder of clear way valve, does not advance so do not need to utilize the switching of magnetic valve to control it, exhaust, the expansion link that is set in the Master cylinder body is outwards initiatively stretched out when normality, bracing frame is to be provided with a upper connecting rod within it between side by two support arms to form, and can be fixed on this upper connecting rod with the other end that makes driving cylinder, and this two support arms back segment top also respectively is provided with a projection, then be pivoted with a desktop between the place ahead, it is characterized in that:

The foot lever of base is to tilt to extend toward the back upper place, bracing frame two support arms below respectively is provided with one and cooperates the main strut shape but less secondary pole, allow bracing frame can utilize secondary pole to be set in the main strut, and at the main strut intrinsic displacement, and the function of lifting is adjusted in acquisition, cooperate the weight of bracing frame and desktop to lean forward naturally again, drive secondary pole and fasten on main strut, just can after adjustment, initiatively obtain preliminary location with oblique state.

2. height of table top adjusting device according to claim 1 is characterized in that, the desktop below is provided with angular adjustment apparatus, to utilize the control of cutting of angular adjustment apparatus, changes its height of steeving.

3. height of table top adjusting device according to claim 1 is characterized in that, is provided with an auxiliary table surface between the rear of two support arms of bracing frame.

4. height of table top adjusting device according to claim 1 is characterized in that, is arranged with sliding-proof pad in the main strut of base, this sliding-proof pad and between main strut and secondary pole.

5. height of table top adjusting device according to claim 1 is characterized in that, the retaining element on the collar is quick detach or bolt.

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