CN2484848Y - Chair with adjustable shade - Google Patents

Abstract

A chair utensil with adjustable canopy frame includes a chair assembly. The left and right sides of the chair assembly are provided with two supports. A chair seat is assembled below the two supports, and a canopy frame is pivoted and mounted on the top of the two supports. The canopy frame has two pairs of side rods broadly becoming a rectangular box shape, and the middle part near the two side rods at the left and right side can be pivoted and mounted at the upper end of the two supports in the pendulum manner. The chair utensil is characterized in that: the chair utensil also includes a stretching piece that can broadly extend from up to down and be assembled between the canopy frame and the assembly of the chair frame by extension of the length, and the upper end of the stretching piece is pivoted and mounted on the post at one side of the canopy frame and the lower end is pivoted and mounted on one support of the assembly of the chair frame.

Description

Chair tool with adjustable hood frame

The utility model relates to a kind of chair tool, particularly relates to a kind of chair tool with adjustable hood frame.

General chair is often with the difference of requirement function, and dissimilar designs is arranged, some is placed on outdoor chair tool, for the function that hides rain, sunshade is provided, normally at the fixing installing in top one hood frame of a chair frame assembly of chair tool, so that fixed cover covers a paulin that is used for hiding rain, sunshade on described hood frame.

This type of has the chair tool of hood frame, and as seen the structure design of its hood frame has adjustable and fixed two kinds.Wherein, when adjustable hood frame was assembled in the chair frame assembly top of chair tool, its degree of facing upward was to be the state of can adjusting, and the therefore variation of visual solar radiation angle and suitably adjust hood frame degree of facing upward makes it that best shaded effects are provided.On the contrary, fixed hood frame is to be the stationary state that can't adjust owing to be assembled in the angle at chair tool top, and therefore for the sunlight of oblique irradiation during morning and dusk, the shaded effects that can bring into play are relatively poor.

In addition; this type of has the seat support of being installed in the chair tool of hood frame; its design kenel can be divided into fixed and movable; the design kenel of common movable seat support; be with seat support can before and after be installed in the lower end of chair frame assembly with swinging; make seat support be used for to promote or by the power of rocking of carrying human body by external force during human body, and whole seat support is rocked back and forth at described chair frame assembly lower end for carrying.As for the design kenel of fixed seat support, be the lower end that seat support is installed on chair frame assembly, that is to say when fixed seat support is used for carrying human body that seat support is to be fixed state, does not have any function that swings.

Chair tool as shown in Figure 1 is exactly to belong to a kind of chair tool with adjustable hood frame and movable seat support, described chair tool includes one and is used for standing on a ground chair frame assembly 1, and one next be installed in a lower end of described chair frame assembly 1 and a seat support 2 and a hood frame 3 of a upper end respectively with going up.

Described chair frame assembly 1 has right upright the setting at interval of a first from left and is used for standing in described ground two bracing frames 11 and a horizontal cross connecting rod 12 that fixedly is engaged between described two bracing frames, 11 proximal portions.Described two bracing frames 11 are equiped with an angle-adjusting mechanism 13 respectively on its top, be used for described hood frame 3 assemblings are positioned 13 of described two angle-adjusting mechanisms, make the hood frame 3 can be, and produce forward or change toward the angle of rear-inclined by the adjustment of described two angle-adjusting mechanisms 13.

Described seat support 2 can be lifted on described connecting rod 12 belows in front and back with swaying.

Described hood frame 3 is to be a rectangular frame body, and the nearly middle part of its left and right sides is the opposite side that is assembled at aforementioned two angle-adjusting mechanisms 13.

Cooperate Fig. 2 as seen, each angle-adjusting mechanism 13 have one be used for fixing be assembled in its first fluted disc 15, that up extends by described first holder, 14 end faces of first holder 14, on corresponding bracing frame 11 tops be used for and second fluted disc 16, of described hood frame 3 secure bond supports in the spring 17 of 16 of described first fluted disc 15 and second fluted discs an and lock member 18 that is used for described first, second fluted disc 15,16 of interlocking.

Described first holder 14 is tip exterior that fixed cover is combined in support frame as described above 11.Described first fluted disc 15 is that erectly consubstantiality is built up in the end face of described first holder 14, and described first fluted disc 15 has a ring flank of tooth 151 that is positioned on the one lateral surface and is made of several tooth portions.One upper end 161 of described second fluted disc 16 be by interlocking two-screw 162 and with described hood frame 3 secure bond, and a bottom 163 of described second fluted disc 16 has a ring flank of tooth 164 that is positioned at the one medial surface and is made of several tooth portions, and the ring flank of tooth 151,164 of first, second fluted disc 15,16 is set up relatively.Described lock member 18 is after passing described second fluted disc 16 and described spring 17 in regular turn, be locked in again on described first fluted disc 15, make the ring flank of tooth 151, the 164 closely butt engaging each other of described first, second fluted disc 15,16, and make described hood frame 3 be fixed on a predetermined angular, this moment, described spring 17 was compressed in opposite directions by first, second fluted disc 15,16, and put aside the elastic force that one pushes away first, second fluted disc 15,16 mutually.

When desire is adjusted described hood frame 3 and is assembled in the elevation angle on described two bracing frames 11, must unscrew the bolting element 18 of each angle-adjusting mechanism 13, make first, second fluted disc 15,16 the ring flank of tooth 151,164 be subjected to spring 17 top from and no longer closely engaging, so second fluted disc 16 just can be with respect to 15 rotations of first fluted disc, change angle and drive hood frame 3, and after being adjusted to suitable angle, screw the lock member 18 of each angle-adjusting mechanism 13 again, make first, second fluted disc 15,16 the ring flank of tooth 151,164 closely engagings once again, and hood frame 3 is positioned the adjusted elevation angle.

Though the chair tool can suitably be adjusted the orientation angle of hood frame 3 by described two angle-adjusting mechanisms 13 of operation in the past, right because the operating process of described two angle-adjusting mechanisms 13, must unscrew the described lock member 18 that waits can relatively rotate up to described grade one, second fluted disc 15,16, and in hood frame 3 and described grade in an imperial examination bidentate portion 16, after rotation is adjusted to required angle, lock the described lock member 18 of Denging once again, so adjustment process bothers not only but also slowly, remain further to be improved.

The purpose of this utility model is to provide a kind of chair tool with adjustable hood frame, and the process that makes it adjust the hood frame angle is very quick.

Chair tool with adjustable hood frame of the present utility model, it comprises about one that the chair frame assembly, that erectly sets up two bracing frames at interval is assembled in the hood frame that seat support, between described two bracing frame lower ends is journaled into described two bracing frame upper ends; Described hood frame has two pairs and encloses roughly that to be connected into be the side lever of a rectangular frame shaped, and the described two nearly middle parts of side lever that are positioned at left and right sides are the two bracing frame upper ends that pivotally are journaled into described chair frame assembly respectively; Be characterized in: the chair tool of the adjustable hood frame of described tool also includes an extensible member, described extensible member is roughly to present down to be assembled between described hood frame and described chair frame assembly with extending shape and scalable length, one upper end of described extensible member is to be journaled on the wherein side lever of described hood frame, and a lower end of described extensible member is to be journaled on the wherein bracing frame of described chair frame assembly.

Adopt such scheme of the present utility model, when the length of adjusting described extensible member, the upper end of described extensible member just can the described hood frame of interlock, makes described hood frame make the pivot pendulum with respect to described chair frame assembly, and changes the orientation angle of hood frame.Therefore, the utility model is very quick really in the process of adjusting described hood frame angle,

Be elaborated below by most preferred embodiment and accompanying drawing chair tool to the adjustable hood frame of the utility model tool, in the accompanying drawing:

Fig. 1 is an a kind of existing stereogram with chair tool of adjustable hood frame;

Fig. 2 is a three-dimensional exploded view of an angle-adjusting mechanism of described existing chair tool, the connection relation of a described angle-adjusting mechanism shown in the figure and a bracing frame and a hood frame;

Fig. 3 is a stereogram of a preferred embodiment of the utility model chair tool;

Fig. 4 is a lateral plan of chair tool among Fig. 3;

Fig. 5 is that the hood frame among Fig. 3 is journaled into the elevation cross-sectional view on two bracing frames;

Fig. 6 be the extensible member among Fig. 3 be assembled in described hood frame with the elevation cross-sectional view between corresponding bracing frame;

Fig. 7 is a three-dimensional exploded view of extensible member among Fig. 6;

Fig. 8 is a three-dimensional combination figure that is tight against mechanism among Fig. 7, an eccentric hoop shown in the figure with respect to a fixed seating in a superimposed position;

Fig. 9 is that eccentric hoop among Fig. 8 is with respect to the top view profile of described fixed seating in a staggered positions.

Cooperate Fig. 3 and shown in Figure 4, one embodiment of the utility model chair tool includes one and is used for standing on the hood frame 6 that seat support 5, that a ground chair frame assembly 4, is installed in a bottom of described chair frame assembly 4 is installed in a upper end of described chair frame assembly 4, and one is assembled in the extensible member 7 that described chair frame assembly 4 and 6 of described hood frames are used for adjusting described hood frame 6 angles.

Described chair frame assembly 4 has right upright the setting at interval of a first from left and is used for standing in described ground two bracing frames 41 and a connecting rod 42 that is engaged between described two bracing frames 41 upper ends.Each bracing frame 41 has a vertical frame that roughly is a π font and founds portion 411, reach a shaft-like support part 412 of going up of arc that is installed in a lateral surface of described upright portion 411 and up extends, cooperate Fig. 5 as seen, the described support part 412 of going up has a transversal hollow shape sleeve pipe 413 that is fixedly connected on its upper end.The two ends of described connecting rod 42 are to be inserted into respectively in the sleeve pipe 413 of described two bracing frames 41, and described connecting rod 42 have be positioned at its both ends and be about the screw 421 that extends.

Described seat support 5 can before and after be installed in 411 in the upright portion of frame of two bracing frames 41 of described chair frame assembly 4 with swaying.Since described seat support 5 can before and after the detail structure that sways be not design focal point of the present utility model place, and design the above seat support 5 not with can before and after sway and be necessity, therefore no longer describe in detail described seat support 5 can before and after the detailed structure of swaying.

Described hood frame 6 has two pairs and encloses roughly that to be connected into be the side lever 61,62 of a rectangular frame shaped, and a pair of side lever 61 wherein is arranged in parallel before and after being, another to side lever 62 be arc bending shape and about be arranged in parallel.The nearly middle part of each side lever 62, be to be the direction of screwed pivot 63 along a vertical described side lever 62 with one, penetrate described side lever 62 and be locked in the screw 421 of the connecting rod 42 of described chair frame assembly 4, make two side levers 62 of described hood frame 6 pivotally be journaled into the upper end of the last support part 412 of described two bracing frames 41, and can make the pivot pendulum for axle by described two pivots 63.

Described extensible member 7 is roughly presented down and is extended shape, be assembled in to scalable length 6 of described chair frame assembly 4 and described hood frames, one upper end of described extensible member 7 is hubbed on the wherein root edge outside of a side lever 62 of described hood frame 6, described extensible member 7 lower ending pivots are contained in 412 outsides, last support part of a wherein bracing frame 41 of described chair frame assembly 4, but be what this must do an explanation, design on the above extensible member 7, the pivot holding position of lower end is not as limit, the upper end of for example described extensible member 7 also can be journaled on the wherein side lever 61 of hood frame 6, and the lower end of described extensible member 7 can be journaled into an inboard of a wherein upright portion 41 of described chair frame assembly 4, or other appropriate locations of chair frame assembly 4.

Borrow the composition of above-mentioned member, as long as the length of described extensible member 7 is adjusted in operation, just can borrow described extensible member 7 to adjust when different length states is also located, through the described hood frame 6 of the upper end of described extensible member 7 interlock, making described hood frame 6 serves as that axle is made the pivot pendulum with respect to the upper end of two bracing frames 41 of described chair frame assembly 4 with its both sides pivoted place, and makes described hood frame 6 be positioned different angles.

What deserves to be mentioned is that at this can make the structure design of described extensible member 7 energy quick-expansion length a lot of, the concrete structure about described extensible member 7 in the present embodiment will cooperate Fig. 6～Fig. 9 to be described as follows.

By among Fig. 6 and Fig. 7 as seen, described extensible member 7 has corresponding one on the other fit and caliber and is small one and large one first, second body 71,72, and one be installed in a top of described second body 72 and be placed in described first body 71 inside be tight against mechanism 73.

Described first body 71 from top to bottom has arc sheet pin plate 711, a pivoted pole 715 that roughly is U font cross section, and a tube body 718.The upstanding wall 712 and one that described pin plate 711 has two spaced and parallel is connected in the connecting wall 713 between described two upstanding walls 712 bottoms, can be a from bottom to top corresponding wherein side lever 62 outsides that are sleeved on described hood frame 6 of described two upstanding walls 712, and, the upper end of described two upstanding walls 712 pivotally is journaled into a nearly back-end location of described side lever 62 with the direction of a pivot connecting element 710 along a vertical described side lever 62.Described connecting wall 713 has a vertical that is positioned at its centre and bores a hole 714.Described pivoted pole 715 has a up-and-down rod portion 716 that rotatably is arranged in the perforation 714 of described pin plate 711, and together body formed a top and the diameter cap portion 717 bigger than described perforation 714 in described up-and-down rod portion 716.Described tube body 718 is the hollow form pipe, and the one top is a bottom that is fixedly connected on the up-and-down rod portion 716 of described pivoted pole 715, makes whole first body 71 borrow described pivoted pole 715 rotatably to be journaled into described pin plate 711 belows.

The top of described second body 72 is plugged in the bottom of described first body 71, one bottom of described second body 72 is resisted against the pairing outside of going up support part 412, and, described pivot connecting element 721 is journaled into a described outside of going up support part 412 with the direction of a pivot connecting element 72 1 along vertical described last support part 412.

By among Fig. 7 and Fig. 8 as seen, the described mechanism 73 that is tight against has the discoideus holder 731 that a level that is fixed on described second body 72 tops is set up, one eccentric shaft 732 that up extends by an end face of described holder 731 prejudicially, together body formed projection the end face of described holder 731 and by one away from the edge of described eccentric shaft 732 toward a strip block 733 that extends near the direction of described eccentric shaft 731, one be installed in described eccentric shaft 732 an end face and with described holder 731 coaxial corresponding spacing top boards 734, and rotatable predetermined angular ground is sheathed on every side an opening shape eccentric hoop 735 of described eccentric shaft 732.

The diameter of described holder 731 and described spacing top board 734 is the external diameters corresponding to described second body 72.

Described eccentric hoop 735 has one can overlap the opening shape surrounding wall 736 that overlays on described eccentric shaft 732 outsides.Described surrounding wall 736 is made by the flexible plastic cement material of tool, and define an eccentric shape hollow bulb 74 with an opening 741, described surrounding wall 736 has an arc notch 737 that is up extended by the half of root edge of one, and the thickness of described surrounding wall 736 roughly is thin more the closer to described opening 741 places.Described surrounding wall 736 is strutted ground successively by described block 733 and eccentric shaft 732 with described opening 741, and corresponding cover overlays on eccentric shaft 732 outsides, and described block 733 correspondences are placed in the described arc notch 737, after so whole surrounding wall 736 is set in described eccentric shaft 732 outsides, can be in described arc notch 738 shared radians, with respect to described eccentric shaft 732 rotation starts.

When being tight against mechanism 73 in integral body, the surrounding wall 736 of described eccentric hoop 735 is plugged in aforementioned first body 71 when inner, because described surrounding wall 736 is opening-like and its global shape is the slightly outer distortion (not representing among its extratensive type attitude figure) of opening, but not surround the round type attitude, therefore the periphery of described surrounding wall 736 can contact the inwall of described first body 71 a little, and can when different directions rotates, be driven by described first body 71, make described eccentric hoop 735 with respect to holder 731, can one as shown in Figure 8 superimposed position and between as shown in Figure 9 a staggered positions, rotate.

When described first body 71 drives described eccentric hoop 735 and is positioned at described superimposed position with respect to holder 731 toward predetermined directions rotation, one outer peripheral edges of described eccentric hoop 735 roughly are that the outer peripheral edges with described holder 731 are and trim corresponding states, the first bigger body 71 of described caliber this moment can be done axial relative displacement with respect to described second body 72, makes the length of integral telescopic spare 7 obtain flexible the adjustment.

When described first body 71 is adjusted to a required predetermined length with respect to 72 axial displacements of described second body after, as long as described first body 71 of reverse rotation, just can drive described eccentric hoop 735 is moved toward described staggered positions by described superimposed position, when eccentric hoop 735 when moving to described staggered positions, the part thickness of its outer peripheral edges is the outer peripheral edges that protrude from described holder 731, the part thickness of described holder 731 also is the outer peripheral edges that protrude from described eccentric hoop 731 simultaneously, be used for being closely against simultaneously a respective side of described first body, 71 inner faces respectively, make described first body 71 be tight against the location as illustrated in fig. 9, so just can be with first, second body 71,72 are positioned adjusted length state.

In addition, the extensible member 7 of chair tool of the present utility model, the not above on the implementation structure that discloses exceeds, in fact also can use the element of scalable length such as the air pressure rod that generally has control valve or oil pressure rod, equally can be by adjusting extensible member length, and reach the effect that the described hood frame 6 of quick change is journaled into the orientation angle of described chair frame assembly 4 upper ends.

Conclude above-mentioned, chair tool of the present utility model is when desire is adjusted the orientation angle of its hood frame 6, as long as the length that changes described extensible member 7 just can, therefore compare with the design in the past of aforementioned Figure 1 and Figure 2, the utility model is very quick really in the process of adjusting described hood frame 6 angles.

Claims (2)

1, a kind of chair tool with adjustable hood frame, it includes about one the chair frame assembly, that erectly sets up two bracing frames at interval and is assembled in the hood frame that seat support, between described two bracing frame lower ends is journaled into described two bracing frame upper ends; Described hood frame has two pairs and encloses roughly that to be connected into be the side lever of a rectangular frame shaped, and the described two nearly middle parts of side lever that are positioned at left and right sides pivotally are journaled into two bracing frame upper ends of described chair frame assembly respectively; It is characterized in that:

Described chair tool with adjustable hood frame also includes an extensible member, described extensible member is roughly to present down to be assembled between described hood frame and described chair frame assembly with extending shape and scalable length, one upper end of described extensible member is journaled into a side lever of described hood frame, and a lower end of described extensible member is to be journaled on the bracing frame of described chair frame assembly.

2, the chair tool that has adjustable hood frame according to claim 1, it is characterized in that: each bracing frame of described chair frame assembly has a transversal hollow shape sleeve pipe that is positioned at its upper end, and described chair frame assembly also has a connecting rod, the two ends of described connecting rod are to be inserted into respectively in the sleeve pipe of described two bracing frames, and described two side levers that are positioned at left and right sides of described hood frame are the two ends that are journaled into the described connecting rod of described two sleeve pipes institute plug-in mounting respectively.

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