CN2888985Y

CN2888985Y - Lever type desk lifting structure

Info

Publication number: CN2888985Y
Application number: CN 200520006563
Authority: CN
Inventors: 陈俊杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-31
Filing date: 2005-12-31
Publication date: 2007-04-18
Anticipated expiration: 2015-12-31

Abstract

The utility model relates to a lever type desk ascending and descending structure, mainly includes a tabletop on whose two sides metal support cantilevers are firmly fixed by means of screws; wherein, a sliding bush is provided at the other end of the each cantilever to be incorporated into the sloping foot rest, the lever principle is used to support the tabletop; when the tabletop height needs adjusting, by users applying an upward force to the front fringe of the tabletop, together with the assistance of a hydraulic pump, the tabletop just can reach the required height. The utility model uses the lever principle to reinforce the desk support structure, to prevent the sliding bush and the shoring from being loose due to small spaces, to make the whole desk burden a relatively heavy gravity, and to ensure security in use. While users are adjusting the tabletop height, the utility model is more convenient and laborsaving. The utility model is also more comfortable for consumers to use because the overall support structure is more stable.

Description

Lever-type desk lifting structure

Technical field

The utility model relates to a kind of lever desk lifting structure, refers to utilize a kind of foot rest that tilts slightly especially, arranges in pairs or groups and is provided with the supporting cantilever of sliding sleeve trepanning in an end, sees through the user and forces in desktop, adds the auxiliary of hydraulic pump, the convenient height of table top of adjusting.

Background technology

Press, people improve gradually for the requirement of quality of the life at present, in comparison for the requirement of other things also from the old thinking of " can be with all right; other is careless ", change over aspect requirements one by one such as outward appearance, practicality or progressive gradually to product, make product constantly innovate under the conception, could satisfy the demand of modern society people.

As shown in Figure 1, known desktop adjustable bridge structure, it mainly is to be formed by a slide mass A, a bearing body B and a main base frame C institute common combination, end in slide mass A is provided with trimming part A1, and offers the first through hole C1 at the end face of main base frame C, and a slide mass A is inserted in the through hole C1, allow the slide mass A can rotational slide, and combine with the table pin in conjunction with rotating part conduct in main base frame C another side,, combine with a mobile desktop more then with the sheathed slide mass A of the bearing body B other end; Whereby, utilize this slide mass of operation A, make trimming part produce change in displacement, reach the high and low position of adjusting desktop with respect to the connecting portion of bearing body B.

This conventional construction still has the many places shortcoming in practicality, because of when people when using desk, if this desktop is bestowed downward gravity, make the structure of supporting desktop to load, and the boring of table body is fixed, just can cause desktop can't do the adjustment of height a little, necessity of research and development improvement is arranged in fact.

In view of this, this creator remakes research at above-mentioned shortcoming, the research and development improvement conventional art that is carried out, and attempt the research building block principle, thereby it is simple and easy to design a kind of enforcement, is the constructional device of main shaft to reduce production costs.

The utility model content

Main purpose of the present utility model is a supporting construction weak point of commonly using desk at above-mentioned, and therefore the improvement design of being done utilizes the central lever principle of physics, in order to strengthen the supporting construction of desk integral body, makes its desktop can bear bigger gravity.

The purpose of this utility model is to realize like this, a kind of lever-type desk lifting structure, mainly be to set firmly in left and right sides spiral shell by a desktop to put the metallic support cantilever, the other end in cantilever designs a sliding sleeve, and all be provided with its opening in the sliding sleeve both sides, and the two sides, front and back of sliding sleeve all is provided with hole, and in place's opening one adjustment firmware is housed, and is loosening in order to prevent sliding sleeve; This pillar is a hollow, rectangular body, other is provided with the chute of corresponding sliding sleeve, its inner installing one hydraulic pump, and then be assembled on the runners of 15 degree, and form a leg means, the sliding sleeve and the foot rest of supporting cantilever are made up, quote a lever principle as design, when height of table top need adjust, the desktop leading edge is executed a upward force by the user, add the auxiliary of hydraulic pump, desktop can reach required height.

The utility model has the advantages that: by the lever principle in its physics, allow the supporting construction of desk be strengthened, and set one adjust firmware on the cooperation sliding sleeve, in order to prevent that a sliding sleeve and the major gene from producing loosening in the space slightly, make desk integral body can bear bigger gravity, and the safety when guaranteeing to use.

When the user need adjust height of table top, need earlier the adjustment firmware on the sliding sleeve to be pulled, it is highly mobile that desktop can be done, make between sliding sleeve and the pillar by closed state originally, via the user desktop leading edge application of force that makes progress is lifted and produced the space, add the auxiliary strength of the inner set hydraulic pump of pillar, make the user more convenient, laborsaving when adjusting height of table top, also commonly use come firm, make the consumer use more and feel at ease because of the supporting construction of integral body.

Description of drawings

Fig. 1 is a structural representation of commonly using desk.

Fig. 2 is the three-dimensional exploded view of the utility model desk.

Fig. 3 is the three-dimensional combination figure of the utility model desk.

Fig. 4-1, Fig. 4 the-the 2nd, the use schematic diagram () of the utility model desk.

Fig. 5 is the use schematic diagram (two) of the utility model desk.

The diagrammatical symbol explanation

(A) slide mass (A1) trimming part (B) bearing body

(C1) through hole

(C) main base frame

(1) desktop

(2) supporting cantilever (21) sliding sleeve (211) opening

(212) hole (22) is adjusted firmware

(3) pillar (31) chute

(4) runners

(5) foot rest

(6) hydraulic pump

(7) axle center

The specific embodiment

For making the personage who has the knack of this skill can understand the purpose of this utility model and effect, now by following one preferable specific embodiment, cooperate appended graphic, describe in detail as after, sincerely see also.

Seeing also figure scholar, is the three-dimensional exploded view of the utility model desk, and this lever-type desk lifting structure mainly by the runners 5 of a desktop 1 with paired supporting cantilever 2, pillar 3, hydraulic pump 4 and corresponding combination, constitutes the better desk of a kind of support strength.

All install the supporting cantilever 2 that metal material is made on this desktop 1 and arranged on left and right sides limit, utilize screw-in version to make desktop 1 more firm with the binding energy of supporting cantilever 2, and design a sliding sleeve 21 at the other end of supporting cantilever 2, and be sheathed on the pillar 3, as the mode of adjusting desktop 1 height; All be provided with its opening 211 in the left and right sides of sliding sleeve 21, and adjust firmware 22 in conjunction with one at opening 211 places, loosening in order to prevent sliding sleeve 21, and be provided with hole 212 on the two sides, front and back of sliding sleeve 21, make things convenient for an axle center 7 to run through and insert.

Pillar 3 presents with the hollow, rectangular body, cooperate the design of sliding sleeve 21, therefore in forward and backward two corresponding chute 31 is set, again a hydraulic pump 6 is mounted to pillar 3 inside, then pillar 3 is assembled on the runners 4 of 15 degree, form a foot rest 5, then supporting cantilever 2 is sheathed on the foot rest 5, utilize an axle center 7 to run through insertion by the hole 212 of sliding sleeve 21, will adjust firmware 22 again and pull downwards, the binding energy that makes supporting cantilever 2 and foot rest 5 more firmly, steadily.

See also Fig. 4-1, Fig. 4-2, Fig. 5, be the use schematic diagram () and the use schematic diagram (two) of the utility model desk, the design principle of this lever-type desk lifting structure, be after being sheathed on foot rest 5 by supporting cantilever 2 set sliding sleeves 21, quote the central lever principle of physics, make the strength of supporting desktop 1 select B, the C point that falls within sliding sleeve 21; In addition, in opening 211 places of sliding sleeve 21 A, the D point on graphic, as a mobilizable space; When the user need adjust desktop 1 height, the adjustment firmware 22 that the A point of opening 211 is set is upwards pulled earlier, discharging sliding sleeve 21 sees through the user desktop 1 leading edge is made progress the application of force when lifting, well is a central point with axle center 6, by the A that is provided with opening 211, D point, make between B, C point and the pillar 3 and produce the space, can make the sliding sleeve 21 of supporting cantilever 2 do upper and lower moving, and then adjust desktop 1 height in foot rest 5.

The more than preferred embodiment of lifting for this case is only established for ease of explanation, and promptly the various shift design of doing according to listed claim generally all should be contained in the protection domain of this case.

Claims

1. lever-type desk lifting structure, it is characterized in that mainly comprising a desktop, set firmly at desktop left and right sides spiral shell and to put the metallic support cantilever, the other end in cantilever designs a sliding sleeve, and all be provided with opening in the sliding sleeve both sides, and the two sides, front and back of sliding sleeve all is provided with hole, and in place's opening one adjustment firmware is housed, and is loosening in order to prevent sliding sleeve; Pillar is a hollow, rectangular body, other is provided with the chute of corresponding sliding sleeve, its inner installing one hydraulic pump, and then be assembled on the runners of 15 degree, and form a leg means, the sliding sleeve and the foot rest of supporting cantilever are made up, quote a lever principle as design, when height of table top need adjust, the desktop leading edge is executed a upward force by the user, add the auxiliary of hydraulic pump, desktop can reach required height.

2. a kind of lever-type desk lifting structure according to claim 1, it is fixing to it is characterized in that sliding sleeve, pillar and hydraulic pump are done combination by an axle center.