CN2565315Y - Chair with a flat footrest - Google Patents

Abstract

A chair with a supportable and flat leg rest is composed of a drive mechanism under cushion and a supporting-flat mechanism under back cushion, and features that said drive mechanism has a pair of spaced vertical assembling plates, a pair of rotary rods passing through said vertical assembling plates, and a pair of linkage rod units driven by said rotary rods, each of which has a first curved rod, a second curved rod, a pivoted plate and a third curved rod pivoted sequentially, and a supporting unit consisting of a track frame fixed to said leg rest, two track plates pivoted to said vertical assembling plates and said third curved rod, and a supporting rod unit for pushing said track frame to move forward. The chair with the supporting foot rest of the utility model can ensure that the user can rotate the stress rod to lead the foot rest cushion to repeatedly swing to the supporting position from the leaning position, and when the foot rest cushion is positioned at the supporting position, the user can be provided with comfortable lying and leaning feeling.

Description

Chair with a flat footrest

(1) Technical field

The utility model relates to a chair, in particular to a chair with a leveling footrest which is provided with a driving mechanism and a leveling mechanism which cooperate with each other to drive a footrest so as to be horizontally leveled with a seat cushion.

(2) Background technology

The simplest design of the existing chairs in the early stage is roughly to erect a seat and a chair back connected in an L shape on a base. This kind of existing chairs has already possessed the basic function of allowing people to sit and rest , and as people's requirements for chair comfort continue to increase, the industry is gradually adding armrests, footrests and other related structures to existing chairs, so that users can get a more comfortable feeling when using chairs. Recently, more industrialists have designed chairs so that users can adjust the angle between the seat and the back of the chair, and the angle of the footrest, etc., and this utility model is aimed at the style of the chair with adjustable footrests. To design, provide a new structure combination for users to choose and use.

(3) Contents of utility model

The purpose of the utility model is to provide a chair with a flat footrest, so that the user has a more comfortable feeling when sitting.

A chair with a supportable footrest, comprising: a base, a seat cushion erected slightly horizontally on the base, a seat cushion erected slightly vertically on the base and pivotally connected to the seat cushion A backrest cushion at the rear end, and a footrest cushion that is pivotally connected to a front end of the seat cushion and can swing from a reclining position to a flattening position relative to the seat cushion. The driving mechanism under the seat cushion and a leveling mechanism arranged under the footrest cushion, wherein: the driving mechanism has a pair of set-up boards arranged at intervals, and a pair of set-up boards that are commonly worn Rotating rod, and a pair of linkage rods driven by the rotation rod, and each linkage rod group has a first curved rod, a second curved rod, a pivot plate and a third curved rod pivoted in sequence , and, the said leveling mechanism has a rail frame affixed to the footrest pad, two points are arranged on both sides of the rail frame and are respectively connected with the pair of group vertical plates and the third crank lever pivot. connected rail plates, and a set of push rods used to push the rail frame to move forward relative to the two rail plates.

It can be known from the structure disclosed above that the effect of the utility model is that the chair with a supportable footrest can indeed allow the user to rotate the force rod so that the footrest pad can repeatedly swing from the resting position to the supporting position , when the footrest is in the flattened position, it can provide the user with a comfortable lying feeling. Therefore, the utility model is very practical and creative.

In order to further illustrate the above purpose, structural features and effects of the present utility model, the utility model will be described in detail below in conjunction with the accompanying drawings.

(4) Description of drawings

Fig. 1 is a left side view of a preferred embodiment of the utility model with a chair that can support a flat footrest, illustrating that a footrest is in a flattened position;

Figure 2 is a side view similar to Figure 1, illustrating that the footrest is in a retracted position;

Figure 3 is a bottom view of the preferred embodiment;

Fig. 4 is a partial perspective view of a preferred embodiment, illustrating that the footrest is between the flattened position and a rested position;

Figure 5 is a right side view of the preferred embodiment; and

Fig. 6 is a side view similar to Fig. 5, illustrating the adjustment of the angle between a seat cushion and a back cushion.

(5) specific implementation

For convenience of description, the following is an explanation with one foot of the chair of the utility model being in a flattened position.

As shown in Figures 1 and 2, the utility model has a preferred embodiment of a chair that can support flat feet, including: a base 10, a seat cushion 11 slightly horizontally erected on the base 10, a A back cushion 12 that is erected slightly upright on the base 10 and pivotally connected to a rear end 111 of the seat cushion 11, and a footrest cushion that is pivotally connected to a front end 112 of the seat cushion 11 and can pivot upward relative to the seat cushion 11 13.

The base 10 is formed by welding several rod bodies together, and has a bottom frame 101, a support shaft 102 extending upward from the bottom frame 101 and rotatable along its own axis, and a support frame fixed on the top of the support shaft 102 103, and a mounting frame 104 located above the support frame 103, and the mounting frame 104 has two pairs of L-shaped frame bars 105 arranged at intervals, and this frame bar 105 has a seat section 106 and a seat back section 107, and the seat cushion 11 That is to be installed between the seat sections 106 of the equal frame bars 105, and the back cushion 12 is pivotally mounted between the chair back sections 107 of the equal frame bars 105, wherein the equal frame bars 105 are left-right symmetrical, and for convenience, the attached Only one of the poles 105 is shown in the figure.

The chair also includes a driving mechanism 2 arranged under the seat cushion 11 and a leveling mechanism 3 arranged under the footrest 13 .

As shown in Figures 1, 2, 3, and 4, the drive mechanism 2 has a pair of set-up plates 21 arranged at intervals, a rotary rod 22 that is commonly passed through these set-up plates 21, a pair of rotating rods 22 driven Linkage rod assembly 23 , and a force rod 24 fixed on one rod end of the rotating rod 22 and perpendicular to the length direction of the rotating rod 22 .

A pair of upright boards 21 are fixed upright on the bottom side of the seat cushion 11, and each linkage rod group 23 is located inside the upright board 21, and has a first curved rod 231 that is pivotally connected forward in sequence. , a second curved rod 232, a pivot plate 233 and a third curved rod 234, wherein one end of the first curved rod 231 is fixed on the rotary rod 22, and the pivot plate 233 has a triangular appearance and has three pivot points , which are pivotally connected to the vertical plate 21 and the second and third curved rods 232 and 234 respectively. And the transmission of the pivot plate 233, so that the two third curved rods 234 of the pair of linkage rod components 23 will all be ejected forward.

The leveling mechanism 3 has a rail frame 31 affixed to the footrest 13, a first rail plate 32 and a second rail plate 34 on both sides of the rail frame 31, and a rail frame 31 for pushing the rail frame 31 relative to the two rails. Plate 32 pushes and struts bar group 33 (shown in FIG. 4 ) that moves forward, and the first and second rail plates 32, 34 are pivotally connected with a group of vertical plates 21 and the third curved bar 234 respectively.

As shown in Figures 3 and 4, the rail frame 31 has two connecting rods 311, 312 spaced parallel to the front and rear and two rail bars 313, 314 spaced parallel to the left and right, and the two rail bars 313, 314 have The rail groove 315 extending in the longitudinal direction, and the first and second rail plates 32, 34 have a body portion 321, 341 and an extension portion 322, 342, and these extension portions 322, 342 are respectively connected with the group vertical plate 21 and these second rail plates. The three-bend bar 234 is pivotally connected, and the body portions 321 , 341 of the first and second rail plates 32 , 34 are movably embedded in the rail grooves 315 of the rail bars 313 , 314 . The push rod assembly 33 has a fixed bracket 331 fixed on the inner side of the vertical board 21, and a first push rod 332, a second push rod 333 and a third push rod 334 pivotally extending forward in sequence. , the fixed frame 331 is located adjacent to the first rail plate 32, one end of the first push rod 332 is pivotally connected to the fixed frame 331, and the other end is pivotally fixed to the first rail plate simultaneously with one end of the second push rod 333 32 , and one end of the third push rod 334 is pivotally mounted on the connecting rod 311 of the rail frame 31 , and the other end is pivotally connected to the second push rod 333 .

As shown in Figures 1, 2, and 4, when the force rod 24 rotates clockwise, it will drive the rotating rod 22 to make the third curved rod 234 of the linkage rod group 23 pull in the direction of the back cushion 12, so that The rail frame 31 closes toward the seat cushion 11 relative to the first and second rail plates 32 and 34, and at this moment, the footrest pad 13 will pivot from the flattened position to the retracted position. On the contrary, when the rotating rod 22 of the driving mechanism 2 is rotated by the force rod 24, the third curved rod 234 of the linkage rod group 23 is pushed forward and cooperates with the pushing rod group 33 of the leveling mechanism 3 The rail frame 31 is pushed forward relative to the first and second rail plates 32, 34. At this moment, the foot rest pad 13 pushes upwards, so that the foot rest pad 13 pivots upwards, and the foot rest pad 13 and the seat cushion 11 approach a straight line.

As shown in Figures 3, 5, and 6, in order to facilitate the adjustment of the angle between the seat cushion 11 and the backrest cushion 12, the utility model has a chair that can support a flat footrest and also includes a seat between the seat cushion 11 and the backrest cushion 12. The adjustment mechanism 4, and the adjustment mechanism 4 has a first adjustment group 41 on the left side of the seat cushion 11 and a second adjustment group on the right side of the seat cushion 11, wherein the structure of the second adjustment group is the same as that of the first adjustment group 41 Roughly the same, only the first adjustment group 41 will be described below. The first adjustment group 41 has a slide bar 43 that is adjacent to the position of the vertical plate 21 and is consolidated with the seat cushion 11. The adjusting rod 44 that the rod 43 passes through, and the pressing screw rod 45 that is screwed together on the adjusting rod 44 and the support frame 103, during use, the user uses the weight of the body to lie on the backrest cushion 12 to make the slide rod 41 relative to the adjusting rod 44 When the displacement occurs, the angle between the seat cushion 11 and the backrest cushion 12 can be adjusted, and then the adjusted angle can be fixed by means of the tightening screw 43 . The second adjustment group is substantially the same as the first adjustment group 41 , the difference is that the second adjustment group does not have the structure of the pressing screw 45 .

Of course, those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above The changes and modifications of the embodiments will all fall within the scope of the claims of the present utility model.

Claims (5)

1. one kind has and can support the chair tool that flat pin leans on, comprise: a pedestal, slightly is the cushion, that flatly is erected on the pedestal and slightly is the back cushion that erectly is erected on the pedestal and is articulated in a rearward end of described cushion, and one be articulated in a leading section of described cushion and relatively this cushion receive by the position by one and be flapped toward a pin back cushion that supports mean place, the chair tool comprises that also a driving mechanism and that is located at described cushion below is located at the support flat-bed machine structure of described pin back cushion below, is characterized in that:

Described driving mechanism has the group riser that a pair of interval is provided with, one is located in a pair of group of swing arm on the riser jointly, and a pair of interlock rod member group that driven by swing arm, and each interlock rod member group has one first curved bar that articulates in regular turn, one second curved bar, one pin plate and one the 3rd curved bar, and, described support flat-bed machine structure have one with the affixed rail frame of described pin back cushion, be located in two minutes rail frame both sides and respectively with the rail plate of described a pair of group of riser and described the 3rd curved bar pivot joint, and one be used for promoting that the relative two rail plates of described rail frame move forward pushes away the strut member group.

2. as claimed in claim 1 have can support the chair tool that flat pin leans on, it is characterized in that the described strut member group that pushes away has a wherein fixed mount of one the 3rd curved bar that is installed in a pair of interlock rod member group, and one first push rod, one second push rod and one the 3rd push rod that articulate in regular turn.

3. as claimed in claim 1 have can support the chair tool that flat pin leans on, before it is characterized in that described rail frame has, the pair of links of back spaced and parallel and two left sides, the parallel a pair of rail bar of right parallel interval, and described two rail plates have a body and an extension, two extensions are to articulate with group riser and the 3rd curved bar respectively, and the body of two rail plates then is to be embedded versatilely on described rail bar, described fixed mount is ascended the throne at contiguous rail plate place, one end of described first push rod is to be articulated in fixed mount, and its other end is solid on the rail plate of contiguous fixed mount with the end while pivot of second push rod, one end of described the 3rd push rod then is to be hubbed on the connecting rod of rail frame, and the other end is to articulate with second push rod.

4. as claimed in claim 1 have can support the chair tool that flat pin leans on, it is characterized in that described each interlock rod member group all is that the position is described group of riser inboard, and have one first curved bar, one second curved bar, a pin plate and one the 3rd curved bar that articulate in regular turn, one end of wherein said first curved bar is to be installed on the swing arm, and described pin plate is the triangle outward appearance and has three pivoting points, it is respectively to be articulated on the described group of riser, and on second and third curved bar, two the 3rd curved bars of two interlock rod member groups all can be ejected forward.

5. as claimed in claim 1 have can support the chair tool that flat pin leans on, it is characterized in that described have can support the chair tool that flat pin leans on and also comprise a guiding mechanism that is located between cushion and back cushion, its have one in contiguous described group of riser position and with the fixed slide bar of cushion, by inside horizontal expansion of bracing frame and the adjusting lever that passes for slide bar, an and urgent screw rod that is arranged in jointly on this adjusting lever and the bracing frame.

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