CN204683036U - A kind of seat, dual-purpose office chair of lying - Google Patents

Abstract

The utility model discloses a kind of seat, to lie dual-purpose office chair, comprise the chair back, cushion, handrail and support foot rest, the described chair back comprises backrest top and backrest bottom, described backrest top is connected with backrest lower slide, described backrest bottom is rotationally connected by the rear side of rotating shaft I with cushion, rotating shaft I is arranged with a reduction torsion spring, a Positioning Gear is provided with in one end of rotating shaft I, a regulating handle is provided with in the side of cushion, described regulating handle is Z-shaped, the lower end of regulating handle is provided with a positioning block, a returning pull-spring is provided with between the bottom and cushion of regulating handle.The utility model structure is simple, strong adaptability, and comfortableness is better, and cost is lower.

Description

A dual-purpose office chair for sitting and lying down

technical field

The utility model relates to a seat, in particular to a dual-purpose office chair for sitting and lying down.

Background technique

With the acceleration of the pace of society and life, more and more office workers are troubled by occupational diseases such as strong spine, back pain and so on. The main reason is that you can't get a comfortable rest at noon due to long hours of sitting and standing work. Due to space and lunch break constraints in the office, there are not enough lounges for employees to take lunch breaks, nor is there enough time for employees to go home to rest. Although a lot of multifunctional seats have also appeared on the market, which can realize the switching of sitting or lying down through adjustment, such seat structures are relatively complicated, their cost is relatively high, and their stability is poor especially when used as a reclining chair. Simultaneously, after the backrest of the existing seat is put down, the entire length has been fixed and cannot be adjusted, so that it cannot adapt to people of different heights and has poor adaptability.

In view of the above-mentioned predicament of office workers taking a lunch break, it is necessary to develop a seat that can be used for people to take a lunch break in a limited office space.

Utility model content

In view of the above-mentioned deficiencies in the prior art, the purpose of this utility model is how to solve the problems of complex structure, poor adaptability, poor comfort and high cost of the existing seat, and provide a dual-purpose office chair for sitting and lying down.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows: a dual-purpose office chair for sitting and lying down, including a chair back, a seat cushion, an armrest and a supporting tripod, and the feature is that the chair back includes the upper part of the backrest and the lower part of the backrest, the upper part of the backrest is slidably connected with the lower part of the backrest, so that the upper part of the backrest can slide up and down; the lower part of the backrest is rotationally connected with the rear side of the seat cushion through the rotating shaft I, and a reset torsion spring is set on the rotating shaft I. Under the action of the torsion spring, the back of the chair can turn towards the cushion;

A positioning gear is arranged at one end of the rotating shaft I, and the axis line of the positioning gear coincides with the axis line of the rotating shaft I; when the back of the chair rotates around the axis line of the rotating shaft I, the positioning gear can rotate synchronously with the back of the seat; One side of the adjustment handle is provided with a Z-shaped adjustment handle, and the middle part is connected to the seat cushion in rotation. The lower end of the adjustment handle is provided with a positioning block that can cooperate with the positioning gear, and the positioning block is located directly below the positioning gear. , the positioning gear can be locked and positioned by the positioning block; a return tension spring is arranged between the lower part of the adjustment handle and the seat cushion.

Further, a footrest is provided under the seat cushion, and the footrest is rotatably connected with the two slide rail assemblies through the rotating shaft II. The slide rail assembly is connected with the seat cushion through the front transmission rod, and connected with the rotating shaft I through the rear transmission rod, wherein, the front ends of the two slide rail assemblies are connected through the front connecting rod, the rear ends of the two slide rail assemblies are connected through the rear connecting rod, and the front end of the two slide rail assemblies is connected through the rear connecting rod. The two ends of the transmission rod are respectively connected to the seat cushion and the front two in rotation, the upper end of the rear transmission rod is fixedly connected to the lower part of the backrest, and the lower end is connected to the rear connecting rod in rotation; when the upper part of the backrest rotates, it can drive the rear transmission rod to rotate, thereby driving the footrest Move back and forth.

Further, the supporting stand is a retractable structure.

Compared with the prior art, the utility model has the following advantages:

1. It can be used as a multifunctional seat for sitting, standing and lying down, and has height adjustment and length adjustment functions, which can be used by people of different heights; when resting, no need to add other facilities, just turn the upper part of the backrest backward Just rotate and pull the footrest forward; the height-adjustable upper backrest and the adjustable footrest position can make people have a more comfortable sleeping position and improve sleep quality.

2. The overall structure is simple, the positioning can be realized by the positioning gear and the adjusting handle, the stability is good, and the overall cost is low.

Description of drawings

Fig. 1 is the side view when the utility model is used as a seat.

Fig. 2 is a side view of the utility model when it is used as a deck chair.

In the figure: 101—the upper part of the backrest, 102—the lower part of the backrest, 2—seat cushion, 3—armrest, 4—supporting tripod, 5—positioning gear, 6—adjusting handle, 7—positioning block, 8—return spring, 9— Footrest, 10—slide rail assembly, 11—front transmission rod, 12—rear transmission rod.

Detailed ways

The utility model will be further described below in conjunction with accompanying drawings and embodiments.

Embodiment: Referring to Fig. 1 , a dual-purpose office chair for sitting and lying down includes a chair back, a seat cushion 2, an armrest 3 and a supporting foot frame 4, and the supporting foot frame 4 is a telescopic structure, thereby being able to adjust the height of the seat. The chair back includes an upper backrest 101 and a lower backrest 102, and the upper end of the upper backrest 101 also has a headrest. The upper backrest 101 is slidably connected with the lower backrest 102, so that the upper backrest 101 can slide up and down; thus the height adjustment of the upper backrest 101 can be realized to find the most suitable position for the head to lean on, so that sitting or lying down is more comfortable. The lower backrest 102 is rotatably connected to the rear side of the seat cushion 2 through the rotating shaft I. In the actual manufacturing process, the lower backrest 102 is fixedly connected to the rotating shaft I, and the rotating shaft I is rotatably connected to the seat cushion 2 . A return torsion spring is sheathed on the rotating shaft I, and under the action of the return torsion spring, the chair back can rotate toward the seat cushion 2.

A positioning gear 5 is arranged at one end of the rotating shaft I, and the axis line of the positioning gear 5 coincides with the axis line of the rotating shaft I; when the chair back rotates around the axis line of the rotating shaft I, the positioning gear 5 can rotate synchronously with the seat back . One side of the cushion 2 is provided with an adjustment handle 6, the adjustment handle 6 is Z-shaped, the middle part is connected with the seat cushion 2 in rotation, the lower end of the adjustment handle 6 is provided with a positioning block 7 that can cooperate with the positioning gear 5, and The positioning block 7 is located directly below the positioning gear 5, and the positioning gear 5 can be locked and positioned by the positioning block 7; the mechanical positioning is realized by the positioning block 7 and the positioning gear 5, and the stability is better. A return extension spring 8 is arranged between the bottom of the adjustment handle 6 and the seat cushion 2, so that the chair back can return automatically.

A footrest 9 is also provided below the seat cushion 2, and the footrest 9 is rotatably connected with the two slide rail assemblies 10 through the rotating shaft II. The slide rail assembly 10 is connected to the seat cushion 2 through the front transmission rod 11, and connected to the rotating shaft I through the rear transmission rod 12, wherein, the front ends of the two slide rail assemblies 10 are connected through the front connecting rod, and the rear ends of the two slide rail assemblies 10 are connected through the The rear link is connected, the two ends of the front transmission rod 11 are respectively connected to the seat cushion 2 and the front connection rod in rotation, the upper end of the rear transmission rod 12 is fixedly connected to the backrest bottom 102, and the lower end is connected to the rear connection rod in rotation; when the backrest top 101 rotates , can drive the rear transmission rod 12 to rotate, thereby drive the footrest 9 to move back and forth. The position of the footrest 9 is automatically adjusted with the position of the backrest, so that the footrest 9 can better support the feet and make it more comfortable to use.

During use, when the user uses the seat in a sitting state, as shown in Figure 1, he can put his hand on the armrest 3 of the seat to relax the arm muscles, put his feet on the footrest 9 to rest, You can also place your feet directly on the ground. By adjusting the height of the upper part of the backrest 101, the headrest can be adjusted to the height of the most suitable headrest for the user. After lifting the front end of the adjustment handle 6, the upper part of the backrest 101 can be rotated forward or backward, so that the comfort is better.

When the user uses this seat in the lying state, as shown in Figure 2, first lift up the adjustment handle 6, so that the adjustment handle 6 unlocks the positioning gear 5; The lower part 102 of the backrest is a solid relationship, and the four-bar mechanism composed of the rear transmission rod 12, the front transmission rod 11, the slide rail assembly 10 and the seat cushion 2 is used to make the slide rail assembly 10 and the footrest 9 move forward and upward as a whole, thereby forming a A reclining chair that conforms to the body curve of the human body during sleep. After adjusting the upper backrest 101 and the footrest 9 to the most comfortable position, release the adjustment handle 6, and under the action of the return tension spring 8, the adjustment handle 6 will automatically lock the positioning gear 5, thereby locking the upper backrest 101. Swivels for lying down rest.

When it is necessary to return to an office seat, it is only necessary to lift up the adjustment handle 6, so that the adjustment handle 6 unlocks the adjustment gear; the back of the chair rotates forward under the force of the reset torsion spring, and adjusts the upper part of the backrest 101 to a suitable position Finally, unclamp the adjustment handle 6, under the effect of the return extension spring 8, the adjustment handle 6 can automatically lock the positioning gear 5, thereby locking the rotation of the backrest top 101, and finally the footrest 9 can be retracted.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than limit the technical solution. Those skilled in the art should understand that those who modify or replace the technical solution of the utility model without departing from The purpose and scope of the technical solution should be included in the claims of the utility model.

Claims (3)

1. seat, a dual-purpose office chair of lying, comprise the chair back, cushion, handrail and support foot rest, it is characterized in that: the described chair back comprises backrest top and backrest bottom, described backrest top is connected with backrest lower slide, and backrest top is slided up and down; Described backrest bottom is rotationally connected by the rear side of rotating shaft I with cushion, and rotating shaft I is arranged with a reduction torsion spring, and under the effect of this reduction torsion spring, the chair back can rotate to cushion direction;

Be provided with a Positioning Gear in one end of rotating shaft I, the axial line of this Positioning Gear overlaps with the axial line of rotating shaft I; When the chair back around the shaft I axial line rotate time, Positioning Gear can with chair back synchronous axial system; A regulating handle is provided with in the side of cushion, described regulating handle is Z-shaped, be rotationally connected with cushion in the middle part of it, the lower end of this regulating handle is provided with a locating piece that can match with Positioning Gear, and this locating piece is positioned at immediately below Positioning Gear, can by locked for Positioning Gear location by this locating piece; A returning pull-spring is provided with between the bottom and cushion of regulating handle.

2. one seat according to claim 1, dual-purpose office chair of lying, it is characterized in that: below cushion, be also provided with a toe board, described toe board is rotationally connected by rotating shaft II and two slide track component; Described slide track component is connected with cushion by forward pass lever, be connected with rotating shaft I by rear drive link, wherein, the front end of two slide track components is connected by front rod, the rear end of two slide track components is connected by back link, the two ends of forward pass lever are rotationally connected with cushion and front rod respectively, and the upper end of rear drive link is fixedly connected with backrest bottom, and lower end and back link are rotationally connected; When backrest top is rotated, rear drive rod rotation can be driven, thus drive toe board to move forward and backward.

3. one seat according to claim 1, dual-purpose office chair of lying, is characterized in that: described support foot rest is Collapsible structure.