CN2643746Y

CN2643746Y - Improved structure of chair

Info

Publication number: CN2643746Y
Application number: CN 03279610
Authority: CN
Inventors: 苏文法
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-12
Filing date: 2003-09-12
Publication date: 2004-09-29
Anticipated expiration: 2013-09-12

Abstract

The utility model relates to an improved chair structure. The utility model mainly consists of a movable frame and a front end of the fixed frame which are hub connected together through a hub hole with a pintle crossed each other and a springy item in the middle of the movable frame; the shrapnel of the limiting device is fixed in the end part of the fixed frame; the axis pipe with a welded adjusting gear and an eccentric cam is positioned in the groove hole in the two sides of the movable frame; the adjusting gear and the eccentric cam are respectively provided with a corresponding non round inserting holes; two cover blocks respectively cross the though holes and the groove holes of the fixed frame and the movable frame which is fixed by an adjusting axis pole through inserting; the adjusting gear of the axis is blocked and positioned by the shrapnel; the blocking surface of the eccentric cam in the two sides of the axis is tipped on the lower surface of the movable frame; and the movable has an obliquity through rotating the adjusting axis pole to bring convenience to adjust the obliquity and make the utility model more comfortable.

Description

The improvement structure of seat

Technical field

The utility model relates to the improvement structure of seat, refers to a kind of reclining angle that can conveniently adjust the seat cushion adjustable shelf especially, so that the user has appropriate elasticity when sitting thereon, has more the improvement structure of the seat of comfort and splendid practical effect.

Background technology

Along with social pattern changes, most of people's duty has been paid from early stage labour and has been transformed into mentality and pays, make in many cities, the different office block of common a large amount of height stands in great numbers everywhere, and in the office of this inside, class building, in the indispensable furniture miscellaneous, of paramount importance is the long-term various chair tools of office thereon of sitting of people.Progress along with science and technology, through constantly improvement research and development, make that the various functions of this type of chair tool are more and more diversified, more and more complete, as: the adjustment of seat cushion height, adjustment of backrest inclination angle or the like can allow the user work thereon with the long-term seat of the posture that meets most ergonomics, the most comfortable.

The structure of this type of general chair tool, though can feel comfortably cool when the user takes, obtain having a rest, but, the seat cushion of such chair tool is neither to have any structure of adjusting the reclining angle, the comfortableness of its use is restricted, can't be along with the shaking of user, and its seat cushion is swung thereupon, some blemish in an otherwise perfect thing seems.

In view of this I adhere to the design of being engaged in relevant industries for many years and the practical experience of manufacturing, through exploring repeatedly, study, design and testing, develops the utility model finally.

Summary of the invention

Main purpose of the present utility model is to provide a kind of improvement of seat to construct, and it is a kind of reclining angle that can conveniently adjust seat cushion, and has appropriate elasticity, makes seat have more comfort and splendid practical effect.

For reaching above-mentioned purpose, the improvement structure of a kind of seat of the present utility model mainly comprises: adjustable shelf, fixed mount and stopping means; It is characterized in that: this adjustable shelf and fixed mount front end, by a pivot pass to each other the pivot hole and the flexible member in the middle of the adjustable shelf, the two articulated be one; The shell fragment of this stopping means is fixedly arranged on the end of fixed mount, the central siphon of this stopping means places between the slotted eye of adjustable shelf both sides together with the adjustment gear and the eccentric cam of institute's solid welding, and this adjustment gear and eccentric cam are respectively equipped with corresponding non-circular embedding drilling, after pieces pass the through hole and slotted eye of fixed mount and adjustable shelf respectively by two covers, adjusting the axostylus axostyle embedding system that wears by one fixes, adjustment gear on this is just located by the shell fragment blocking, the blocking end face of the eccentric cam of both sides then is resisted against the lower surface of adjustable shelf on the axle, adjust axostylus axostyle by rotation, make adjustable shelf present a reclining angle downwards.

Since the utility model under normal conditions this fixed mount under flexible member makes progress the effect of contact, keep a normal reclining angle, when person to be used is seated on the seat cushion that is incorporated into adjustable shelf, this adjustable shelf is under the effect of human body gravity, to this flexible member of lower compression, it is spacing to make the adjustable shelf rear end slope down to the prior contact of adjusting of stopping means, become the seat that a kind of seat cushion has adjustable tilt angle, and can shaking along with the user, its seat cushion can be swung thereupon, makes seat have more comfort and splendid practical effect.

Description of drawings

Fig. 1, be three-dimensional exploded view of the present utility model.

Fig. 2, for the cutaway view of bowing of the present utility model.

Fig. 3, be the sectional view under the utility model normality.

Fig. 4, be the sectional view of the utility model user mode.

Fig. 5, be the schematic side view of the utility model swing state.

The specific embodiment

For to the purpose of this utility model, technical characterictic and effect thereof can have and further understand and be familiar with, and lift a preferred embodiment now, and conjunction with figs. are described in detail as follows:

Referring to shown in Figure 1, a kind of improvement of seat structure mainly comprises: adjustable shelf 1, fixed mount 2 and stopping means 3; Wherein:

This adjustable shelf 1, its upper surface can affixed seat cushions, and this adjustable shelf 1 both sides front end is respectively equipped with corresponding pivot hole 11, and is respectively equipped with corresponding slotted eye 12 in its appropriate position, both sides;

This fixed mount 2, its lower surface just can be fixed in runners, these fixed mount 2 both sides front ends are provided with the 11 corresponding pivot holes 21, pivot hole with adjustable shelf 1, are equipped with pivot 22 and flexible member 23 in this pivot hole 21, and the slotted eye 12 of the corresponding adjustable shelf 1 in these fixed mount 2 both sides is provided with through hole 24;

This stopping means 3, it comprises that two corresponding central siphons 31, are adjusted gear 32, a shell fragment 33, two corresponding eccentric cam 34, two cover pieces 35 and are adjusted axostylus axostyle 36; Wherein: all be provided with axis hole 311 in each central siphon 31, these adjustment gear 32 centers are provided with the little and non-circular embedding drilling 321 than axis hole 311 diameters, each central siphon 31 is welded in the both sides of adjusting gear 32 respectively, and making each axis hole 311 and the embedding drilling 321 of adjusting gear be the perforation shape, 32 of this adjustment gears can give the blocking location by being set firmly element 331 fixing shell fragments 33; Two corresponding eccentric cams 34 are respectively equipped with and adjust gear 32 embedding drillings 321 corresponding embedding drillings 341 in eccentric part, each eccentric cam 34 outer rim is respectively equipped with several blocking end faces 342, each eccentric cam 34 is welded in two outsides of two central siphons 31 respectively, and the outer cover pieces 35 that plug respectively of two eccentric cams 34, and adjust axostylus axostyle 36 by one and give intercalation and fix.

Referring to Fig. 2, shown in 3, during the utility model combination, at first will pass pivot hole 11 with pivot 22 between adjustable shelf 1 and fixed mount 2 front ends, 21, and in the lump flexible member 23 is arranged in the adjustable shelf 1, make the adjustable shelf 1 and the front end pivot joint of fixed mount 2 be one, the shell fragment 33 of stopping means 3 is fixedly arranged on the end of fixed mount 2 to set firmly element 331, and make each central siphon 31 together with adjusting 12 of the slotted eyes that gear 32 and eccentric cam 34 place adjustable shelf 1, and each cover piece 35 passed the slotted eye 12 of adjustable shelf 1 respectively and the through hole 24 of fixed mount 2 is resisted against outside each eccentric cam 34, be provided with the adjustment axostylus axostyle 36 of the corresponding non-circular blocking bar of non-circular embedding drilling by one again and fix from cover piece 33 centre bores intercalation in the lump.

Shown in Fig. 3-5, when the utility model used, under normality, this adjustable shelf 1 and was kept certain reclining angle under the upwards contact of flexible member 23; When the user is seated at the seat cushion of adjustable shelf 1 upper end, because pressing down of human body gravity, blocking end face 342 contacts of the eccentric cam 34 that adjustable shelf 1 is moved downward to be subjected to stopping means 3 spacing, the user can utilize to rotate and adjust axostylus axostyle 36, it is driven adjust gear 32 rotations, and change the position location of shell fragment 33 blockings, and by the height of eccentric cam 34 each blocking end face different-diameter, to adjust the reclining angle that 1 of adjustable shelf can reach.

Because the seat cushion that the utility model can make on the adjustable shelf to be set firmly has the effect that can adjust its reclining angle, and has certain elasticity, so can make seat have more comfortableness and preferable practical effect.

The above only is the utility model one preferred embodiment; be not to limit practical range of the present utility model with this; such as under spirit of the present utility model and principle; that has done various differently changes and modifies, and all should be covered by within the patent protection category that these claims define.

Claims

1, a kind of improvement of seat structure mainly comprises: adjustable shelf, fixed mount and stopping means; It is characterized in that: this adjustable shelf and fixed mount front end, by a pivot pass to each other the pivot hole and the flexible member in the middle of the adjustable shelf, the two articulated be one; The shell fragment of this stopping means is fixedly arranged on the end of fixed mount, the central siphon of this stopping means places between the slotted eye of adjustable shelf both sides together with the adjustment gear and the eccentric cam of institute's solid welding, and this adjustment gear and eccentric cam are respectively equipped with corresponding non-circular embedding drilling, after pieces pass the through hole and slotted eye of fixed mount and adjustable shelf respectively by two covers, adjusting the axostylus axostyle embedding system that wears by one fixes, adjustment gear on this is just located by the shell fragment blocking, the blocking end face of the eccentric cam of both sides then is resisted against the lower surface of adjustable shelf on the axle, adjust axostylus axostyle by rotation, make adjustable shelf present a reclining angle downwards.