CN218773613U

CN218773613U - Office chair convenient to adjust

Info

Publication number: CN218773613U
Application number: CN202222771043.2U
Authority: CN
Inventors: 康立波
Original assignee: Liaoning Gangzhijie Furniture Manufacturing Co ltd
Current assignee: Liaoning Gangzhijie Furniture Manufacturing Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-31
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses an office chair convenient to adjust belongs to office equipment technical field, including the cushion, the outer pole is installed to the lower extreme of cushion, and interior pole is installed to the lower extreme of outer pole, and the supporting leg is installed to the lower extreme of interior pole, and the handrail is installed to the both sides of cushion, and the back is installed to the side of cushion, and the back rotates with the cushion through the pivot to be connected, and the headrest is installed to the upper end of back, and the internally mounted of back has headrest height adjusting part, the utility model discloses a set up headrest height adjusting part, this subassembly can be convenient for highly adjust the headrest to make this office chair of the personnel of different heights can both more comfortable use, reduce the fatigue of neck, in addition, this subassembly is through having set up the gag lever post, and this subassembly can promote the stability of lifter plate lift process, the utility model discloses a supporting component has been set up, this subassembly can be so that office chair can play an auxiliary stay's effect when using.

Description

Office chair convenient to adjust

Technical Field

The utility model belongs to the technical field of office equipment, concretely relates to office chair convenient to adjust.

Background

An office chair generally refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and is used for relieving fatigue of the person during working.

Chinese patent application No. 201921082484.3 discloses an office chair convenient to adjust, including the office chair body, be provided with the back on the rear end of office chair body top surface, the back includes the back framework, the back framework is the rectangular frame structure, the bottom surface of back framework sets up perpendicularly on the lateral wall of office chair body rear end, the activity is provided with main cushion in the back framework, both ends still all are provided with vice cushion about the back framework, main cushion includes arc cushion and flat cushion, arc cushion and flat cushion all are located the back framework, flat cushion is fixed to be set up on the arc opening of arc cushion, the top of arc cushion is provided with the fixed bolt seat, all be provided with the fixed bolt hole on the opposite both sides wall of fixed bolt seat, still all be provided with the baffle strip on the both sides wall of arc cushion, and the length of baffle strip is the same with arc cushion arc opening's length. The utility model has the advantages of can switch the back as required, and the handrail device can overturn and accomodate.

Although the disclosed patent realizes normal use of the office chair, the height of the office chair headrest cannot be adjusted, so that people with different heights cannot use the headrest more comfortably to relieve neck fatigue; the office chair provided with the chair can cause the service life of the chair to be reduced due to the back and forth movement of people on the chair when in use.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an office chair convenient to adjust has the better characteristics of stability of being convenient for highly adjusting and office chair to the headrest.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an office chair convenient to adjust, includes the cushion, outer pole is installed to the lower extreme of cushion, and interior pole is installed to the lower extreme of outer pole, and the supporting leg is installed to the lower extreme of interior pole, and the handrail is installed to the both sides of cushion, and the back is installed to the side of cushion, and the back rotates through pivot and cushion to be connected, and the headrest is installed to the upper end of back, and the internally mounted of back has headrest altitude mixture control subassembly, and the supporting component is installed to the side of outer pole.

Preferably, the headrest height adjusting assembly comprises a rotary handle, a screw rod, a mounting groove, a lifting plate and a support rod, wherein the mounting groove is formed in the backrest, the screw rod is mounted in the mounting groove, the upper end of the screw rod is located on the outer side of the backrest and is provided with the rotary handle, the lifting plate is mounted on the surface of the screw rod, and the support rod fixedly connected with the headrest is mounted at the upper end of the lifting plate.

Preferably, a limiting rod longitudinally penetrates through the inner part of the other side of the supporting rod and is connected with the lifting plate in a sliding mode.

Preferably, the lower end of the screw rod is rotatably connected with the bottom of the mounting groove through a bearing rotating seat.

Preferably, the supporting component includes buffer spring, rotate seat one, the interior pole of bearing diagonal, the piston, damping liquid, the limiting plate, bearing diagonal outer pole and rotate seat two, wherein, the lower extreme side of cushion is installed and is rotated seat two, the lower extreme of rotating seat two is installed and is supported the outer pole to one side, the interior pole of bearing diagonal is installed to the lower extreme of bearing diagonal outer pole, the other end of the interior pole of bearing diagonal is through the side fixed connection who rotates seat one and outer pole, the internally mounted that the one end of the interior pole of bearing diagonal is located the bearing diagonal outer pole has the piston, the internally mounted of the outer pole of bearing diagonal has damping liquid, the surface mounting of the interior pole of bearing diagonal outer pole and bearing diagonal has the limiting plate, the position cover that the surface of the interior pole of bearing diagonal and bearing diagonal is located between two sets of limiting plates is equipped with buffer spring.

Preferably, one end of the outer inclined support rod is rotatably connected with the second rotating seat through a rotating shaft, and the other end of the inner inclined support rod is rotatably connected with the first rotating seat through a rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up headrest height adjusting part, this subassembly can be convenient for highly adjust the headrest to make the personnel of different heights can both use this office chair more comfortable, reduce the fatigue of neck, in addition, this subassembly is through having set up the gag lever post, and this subassembly can promote the stability of lifter plate lift process.

2. The utility model discloses a set up supporting component, this subassembly can be so that the office chair can play the effect of an auxiliary stay when using, can play certain shock attenuation cushioning effect when office chair produces and rocks simultaneously to promote office chair's life.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the headrest height adjustment assembly of the present invention;

fig. 3 is a cross-sectional view of the support assembly of the present invention;

in the figure: 1. a cushion; 2. supporting legs; 3. an inner rod; 4. an outer rod; 5. a rotating shaft; 6. a backrest; 7. a headrest height adjustment assembly; 71. turning a handle; 72. a screw rod; 73. mounting grooves; 74. a limiting rod; 75. a lifting plate; 76. a support bar; 8. a headrest; 9. a support assembly; 91. a buffer spring; 92. rotating the first base; 93. obliquely supporting the inner rod; 94. a piston; 95. damping fluid; 96. a limiting plate; 97. an outer diagonal brace rod; 98. a second rotating seat; 10. an armrest.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an office chair convenient to adjust, includes cushion 1, outer pole 4 is installed to the lower extreme of cushion 1, pole 3 in the lower extreme of outer pole 4 is installed, supporting leg 2 is installed to the lower extreme of interior pole 3, handrail 10 is installed to the both sides of cushion 1, back 6 is installed to the side of cushion 1, back 6 rotates through pivot 5 and cushion 1 to be connected, headrest 8 is installed to the upper end of back 6, the internally mounted of back 6 has headrest altitude mixture control subassembly 7, supporting component 9 is installed to the side of outer pole 4.

Specifically, the headrest height adjusting assembly 7 comprises a rotating handle 71, a screw rod 72, a mounting groove 73, a lifting plate 75 and a support rod 76, wherein the mounting groove 73 is formed in the backrest 6, the screw rod 72 is mounted in the mounting groove 73, the rotating handle 71 is mounted at the upper end of the screw rod 72, which is positioned at the outer side of the backrest 6, the lifting plate 75 is mounted on the surface of the screw rod 72, the support rod 76 fixedly connected with the headrest 8 is mounted at the upper end of the lifting plate 75,

through adopting above-mentioned technical scheme, can be convenient for adjust the height of headrest 8.

Specifically, the inner part of the other side of the support bar 76 is longitudinally provided with a limit bar 74 in a penetrating way and is connected with the lifting plate 75 in a sliding way,

through adopting above-mentioned technical scheme, can promote the stability of lifter plate 75 lift process.

Specifically, the lower end of the screw rod 72 is rotatably connected with the bottom of the mounting groove 73 through a bearing rotating seat,

through adopting above-mentioned technical scheme, can avoid lead screw 72 to rotate the card and die.

When the office chair is used, when people with different heights use the office chair, the rotating handle 71 can be rotated according to the head height of the user, the rotating handle 71 rotates to drive the screw rod 72 to rotate, the screw rod 72 rotates to drive the lifting plate 75 to lift, the limiting rod 74 longitudinally penetrates through the inner part of the other side of the supporting rod 76 and is connected with the lifting plate 75 in a sliding manner, the stability of the lifting process of the lifting plate 75 can be improved, the lifting plate 75 lifts to drive the supporting rod 76 to lift, the supporting rod 76 lifts to drive the headrest 8 to perform height adjustment, so that the comfort of the office chair is improved, and meanwhile, the angle of the backrest 6 can be adjusted through the rotating shaft 5, so that the user can use the office chair more comfortably;

example 2

The present embodiment is different from embodiment 1 in that: the supporting component 9 comprises a buffer spring 91, a first rotating seat 92, an inner inclined support rod 93, a piston 94, damping liquid 95, a limiting plate 96, an outer inclined support rod 97 and a second rotating seat 98, wherein the side edge of the lower end of the cushion 1 is provided with the second rotating seat 98, the lower end of the second rotating seat 98 is provided with the outer inclined support rod 97, the lower end of the outer inclined support rod 97 is provided with the inner inclined support rod 93, the other end of the inner inclined support rod 93 is fixedly connected with the side edge of the outer rod 4 through the first rotating seat 92, one end of the inner inclined support rod 93 is positioned inside the outer inclined support rod 97 and is provided with the piston 94, the inner inclined support rod 97 is provided with the damping liquid 95, the surface of the outer inclined support rod 97 and the surface of the inner inclined support rod 93 are provided with the limiting plate 96, and the buffer spring 91 is sleeved at a position between the two sets of the limiting plates 96 on the surfaces of the outer inclined support rod 97 and the inner inclined support rod 93,

through adopting above-mentioned technical scheme, can be so that the office chair can play an auxiliary stay's effect.

Specifically, one end of the outer inclined support rod 97 is rotatably connected with the second rotating seat 98 through a rotating shaft, the other end of the inner inclined support rod 93 is rotatably connected with the first rotating seat 92 through a rotating shaft,

through adopting above-mentioned technical scheme, can be so that supporting component 9 can normally operate.

This embodiment is when using, when the user of service when using this office chair, if rock on the chair when perhaps shifting the chair, cushion 1 can produce and rock this moment, cushion 1 produces and rocks the inside slip that can drive interior pole 93 of bearing diagonal in the bearing diagonal at outer pole 97, thereby cooperation limiting plate 96 drives buffer spring 91 compression, the other end of interior pole 93 of bearing diagonal can pass through piston 94 extrusion bearing diagonal outer pole 97 inside damping liquid 95 this moment, thereby play the bounce-back that restraines buffer spring 91, make supporting component 9 can play the effect of a shock attenuation buffering, thereby make office chair both can promote the travelling comfort of use, also can promote office chair's life simultaneously.

The utility model discloses a theory of operation and use flow: when the utility model is used, when the office chair is used by people with different heights, the rotating handle 71 can be rotated according to the height of the head, the rotating handle 71 rotates to drive the screw rod 72 to rotate, the screw rod 72 rotates to drive the lifting plate 75 to lift, the limiting rod 74 is longitudinally arranged inside the other side of the supporting rod 76 in a penetrating way and is in sliding connection with the lifting plate 75, the stability of the lifting process of the lifting plate 75 can be improved, the lifting plate 75 lifts to drive the supporting rod 76 to lift, the supporting rod 76 lifts to drive the headrest 8 to adjust the height, so as to improve the comfort of the office chair, and meanwhile, the angle of the backrest 6 can be adjusted through the rotating shaft 5, so that the user can use the office chair more comfortably; when using this office chair, if rock on the chair when perhaps shifting the chair, cushion 1 can produce and rock this moment, cushion 1 produces and rocks the inside slip that can drive interior pole 93 of bearing diagonal at the outer pole 97 of bearing diagonal in the production, thereby cooperation limiting plate 96 drives buffer spring 91 compression, the other end of interior pole 93 of bearing diagonal can extrude the inside damping fluid 95 of the outer pole 97 of bearing diagonal through piston 94 this moment, thereby play the bounce-back that restraines buffer spring 91, make supporting component 9 can play the effect of a shock attenuation buffering, thereby make office chair both can promote the travelling comfort of use, also can promote office chair's life simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an office chair convenient to adjust, includes the cushion, its characterized in that: the utility model discloses a seat cushion, including the cushion, the lower extreme of cushion is installed outer pole, and interior pole is installed to the lower extreme of outer pole, and the supporting leg is installed to the lower extreme of interior pole, and the handrail is installed to the both sides of cushion, and the back is installed to the side of cushion, and the back rotates through pivot and cushion to be connected, and the headrest is installed to the upper end of back, and the internally mounted of back has headrest altitude mixture control subassembly, and the supporting component is installed to the side of outer pole.

2. An adjustable office chair as claimed in claim 1, wherein: headrest altitude mixture control subassembly is including changeing handle, lead screw, mounting groove, lifter plate and bracing piece, and wherein, the mounting groove has been seted up to the inside of back, and the internally mounted of mounting groove has the lead screw, and the upper end of lead screw is located the outside of back and installs and change the handle, and the surface mounting of lead screw has the lifter plate, and the upper end of lifter plate is installed and is held the bracing piece of headrest fixed connection.

3. An adjustable office chair as claimed in claim 2, wherein: and a limiting rod is longitudinally arranged in the other side of the supporting rod in a penetrating manner and is connected with the lifting plate in a sliding manner.

4. An adjustable office chair as claimed in claim 2, wherein: the lower end of the screw rod is rotatably connected with the bottom of the mounting groove through a bearing rotating seat.

5. An adjustable office chair as claimed in claim 1, wherein: the supporting component comprises a buffer spring, a first rotating seat, a first inclined supporting rod, a piston, damping liquid, limiting plates, an outer inclined supporting rod and a second rotating seat, wherein the second rotating seat is installed at the side edge of the lower end of the cushion, the outer inclined supporting rod is installed at the lower end of the second rotating seat, the inner inclined supporting rod is installed at the lower end of the outer inclined supporting rod, the other end of the inner inclined supporting rod is fixedly connected with the outer rod through the first rotating seat, the piston is installed inside the outer inclined supporting rod at one end of the inner inclined supporting rod, the damping liquid is installed inside the outer inclined supporting rod, limiting plates are installed on the surfaces of the outer inclined supporting rod and the inner inclined supporting rod, and the buffer spring is sleeved at the position between the two sets of limiting plates on the surfaces of the outer inclined supporting rod and the inner inclined supporting rod.

6. An adjustable office chair as claimed in claim 5, wherein: one end of the outer inclined support rod is rotatably connected with the second rotating seat through a rotating shaft, and the other end of the inner inclined support rod is rotatably connected with the first rotating seat through a rotating shaft.