CN210930443U

CN210930443U - Multifunctional chair

Info

Publication number: CN210930443U
Application number: CN201921951241.9U
Authority: CN
Inventors: 周玲卫
Original assignee: Irest Health Science and Technology Co Ltd
Current assignee: Irest Health Science and Technology Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-07
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a multifunctional chair, which comprises a base, a support rod, a cushion, a footrest and a backrest, wherein the upper end of the support rod is fixedly connected on the lower end surface of the cushion, the lower end of the support rod is rotatably arranged on the base, the lower end surface of the cushion is also provided with an installation seat, the installation seat is provided with a guide hole, the footrest is provided with a guide rod, the guide rod is slidably arranged in the guide hole, a locking component for positioning the support rod and the backrest is arranged on the installation seat between the corresponding guide rods, the lower end surface of the cushion is fixedly provided with a connecting seat, a connecting rod is arranged between the connecting seat and the backrest, one end of the connecting rod is hinged and arranged on the connecting seat, the other end of the connecting rod is fixedly arranged on the backrest, the connecting seat is also provided with a driving mechanism for driving the rotation of the connecting rod, in, and still have the mount pad, the footrest is also more convenient when the assembly.

Description

Multifunctional chair

Technical Field

The utility model relates to the technical field of seats, in particular to a multifunctional chair.

Background

The chair is as people's work, the widely used instrument of life, office chair among the prior art is including the base, the bracing piece, the cushion, the footrest and back are constituteed, bracing piece one end sets up the other end on the base and connects on the cushion, bracing piece and base normal running fit for the base can rotate relatively when using, back fixed connection is on the cushion, the footrest slides and sets up in the cushion below, do not have positioning mechanism in the gliding, so the footrest slides easily when using, so stability is not very good.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a multifunctional chair, the footrest can lock when flexible, and stability is better, but also has the mount pad, and the footrest is also more convenient in the assembly.

The utility model discloses a multifunctional chair, including base, bracing piece, cushion, footrest and back, upper end of the support bar fixed connection is on the terminal surface under the cushion, and the bracing piece lower extreme rotates and sets up on the base, its characterized in that: the cushion is characterized in that a mounting seat is further arranged on the lower end face of the cushion, a guide hole is formed in the mounting seat, a guide rod is arranged on the footrest and is arranged in the guide hole in a sliding mode, a locking assembly used for positioning the two is arranged between the corresponding guide rods on the mounting seat, a connecting seat is fixedly arranged on the lower end face of the cushion, a connecting rod is arranged between the connecting seat and the backrest, one end of the connecting rod is hinged to the other end of the connecting seat and is fixedly arranged on the backrest, and a driving mechanism used for driving the connecting rod to rotate is.

Adopt above-mentioned technical scheme, can stretch out the footrest in the rest, adjust flexible length according to the demand, lock and prevent the footrest and slide by oneself after adjusting to finish, but also can adjust the wobbling position of back through actuating mechanism for the chair is more comfortable when using.

The utility model discloses a further setting again: the driving mechanism comprises a rotating shaft arranged on a connecting rod, a worm wheel sleeved on the rotating shaft and a worm arranged on the connecting seat, the rotating shaft is arranged to be matched with the connecting seat in a hinged mode, the connecting rod is arranged on the connecting seat through rotation of the rotating shaft, the worm wheel and the rotating shaft rotate in circumferential direction synchronously, and the worm is arranged on the connecting seat in a penetrating mode and meshed with the worm wheel in a penetrating mode in a static state.

Adopt above-mentioned further setting again, the mode that adopts worm wheel and worm drives, can drive the worm wheel when making the worm rotate and rotate, and the worm wheel rotates and to drive the pivot and rotate to can drive the connecting rod and swing, thereby realize the back and adjust, the mode that adopts the worm wheel and worm moreover cooperates and can carry out the auto-lock when not adjusting and prevent to rotate by oneself.

The utility model discloses a further setting again: the foot rest is characterized by further comprising a plate body and a lifting rod, the lifting rod comprises a first rod body and a second rod body, one end of the first rod body is inserted into the second rod body, the second rod body is fixedly arranged on the guide rod, a first through hole is formed in the first rod body, a V-shaped metal elastic sheet is arranged at the position, located in the first through hole, of the first rod body, the metal elastic sheet is clamped in the first rod body, a boss is further arranged on the metal elastic sheet, the boss extends to the outside of the first rod body through the first through hole, a plurality of second through holes are formed in the second rod body and are arranged along the vertical direction, and the boss can extend to the outside of the second rod body through the first through hole and.

Adopt above-mentioned further setting again, can adjust the height of footrest according to the demand when withdrawing or using, can press the boss and make metal shrapnel warp when needs are adjusted to make the boss receive in the second pole body, when adjusting required position, the boss card is established and is carried on spacingly in the second through-hole that corresponds.

The utility model discloses a further setting: the worm wheels are arranged in parallel, and when the worm wheels are static, the worm wheels are meshed with the worm.

By adopting the further arrangement, the use is more stable.

The utility model discloses a further setting again: the locking assembly comprises a threaded hole arranged on the mounting seat and a clamping bolt arranged in the threaded hole in a penetrating mode, the threaded hole is communicated with the guide hole, and the clamping bolt penetrates through the threaded hole to extend into the guide hole to abut against the outer end face of the guide rod in use.

Adopt above-mentioned further setting again, can press from both sides the guide arm through adjusting clamping bolt, prevent that the guide arm from sliding by oneself in the guiding hole when using for it is more stable when using, adopt clamping bolt to press from both sides tightly also more convenient when adjusting moreover.

The utility model discloses a further setting: still be equipped with the extension spring between connecting rod and the connecting seat, extension spring one end is connected on the connecting rod, and the other end is connected on the connecting seat.

By adopting the further arrangement, the backrest can provide a pulling force after being adjusted, all the force is prevented from acting on the worm wheel and the worm when in use, and the service life of the worm wheel and the worm can be prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the driving mechanism of the present invention;

FIG. 3 is a schematic view of the footrest structure of the present invention;

fig. 4 is a schematic view of the metal spring of the present invention;

FIG. 5 is a schematic view of the structure of the mounting base of the present invention;

fig. 6 is a schematic structural view of the plate body and the first rod body of the present invention;

fig. 7 is an enlarged view of a portion a of fig. 3.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

the utility model discloses a multifunctional chair, which comprises a base 1, a support rod 2, a cushion 3, a footrest 4 and a backrest 5, wherein the upper end of the support rod 2 is fixedly connected with the lower end surface of the cushion 3, the lower end of the support rod 2 is rotatably arranged on the base 1, in the embodiment of the utility model, the lower end surface of the cushion 3 is also provided with an installation seat 6, the installation seat 6 is provided with a guide hole 7, the footrest 4 is provided with a guide rod 8, the guide rod 8 is slidably arranged in the guide hole 7, a locking component for positioning the two is arranged on the installation seat 6 corresponding to the guide rod 8, the lower end surface of the cushion 3 is fixedly provided with a connecting seat 9, a connecting rod 10 is arranged between the connecting seat 9 and the backrest 5, one end of the connecting rod 10 is hinged with the upper end of the connecting seat 9, the other end is fixedly arranged on the backrest 5, the connecting seat 9 is also provided with a driving, the length of stretching and retracting is adjusted according to the requirement, the footrest 4 is prevented from sliding automatically after the adjustment is finished, and the swinging position of the backrest 5 can be adjusted through the driving mechanism, so that the chair is more comfortable in use.

Actuating mechanism including setting up pivot 11 on connecting rod 10, the cover is established at pivot 11 on worm wheel 12 and the worm 13 of setting on connecting seat 9, pivot 11 wears to establish and connects seat 9 and the articulated cooperation of connecting seat 9, connecting rod 10 rotates through pivot 11 and sets up on connecting seat 9, worm wheel 12 rotates with 11 circumference synchronization of pivot, when static, worm 13 wears to establish on connecting seat 9 and meshes with worm wheel 12, the mode that adopts worm wheel 12 and worm 13 drives, can drive worm wheel 12 when making worm 13 rotate and rotate, worm wheel 12 rotates and can drive pivot 11 and rotate, thereby can drive connecting rod 10 and swing, thereby realize back 5 and adjust, and the mode that adopts worm wheel 12 worm 13 cooperates and can carry out the auto-lock when not adjusting and prevent to rotate.

The footrest 4 further comprises a plate body 14 and a lifting rod, the lifting rod comprises a first rod body 15 and a second rod body 16, one end of the first rod body 15 is inserted into the second rod body 16, the second rod body 16 is fixedly arranged on the guide rod 8, the first rod body 15 is provided with a first through hole 17, a V-shaped metal elastic sheet 18 is arranged in the first rod body 15 at the position of the first through hole 17, the metal elastic sheet 18 is clamped in the first rod body 15, a boss 19 is also arranged on the metal elastic sheet 18, the boss 19 extends out of the first rod body 15 from the first through hole 17, the second rod body 16 is provided with a plurality of second through holes 20 arranged along the vertical direction, the boss 19 can extend out of the second rod body 16 through the first through hole 17 and the second through holes 20, the height of the footrest 4 can be adjusted according to requirements when the footrest is retracted or used, the boss 19 can be pressed to deform the metal elastic sheet 18 when the adjustment is required, so that the boss 19 is retracted into the second rod body 16, when the position is adjusted to a required position, the lug boss 19 is clamped in the corresponding second through hole 20 for limiting.

At least two worm wheels 12 are arranged side by side, and when the worm wheels 12 are static, each worm wheel 12 is meshed with the worm 13, so that the worm wheel is more stable in use.

Locking assembly is including setting up screw hole 21 on mount pad 6 and wearing to establish the clamping bolt 22 in screw hole 21, screw hole 21 link up the setting with guiding hole 7, during the use, clamping bolt 22 passes screw hole 21 and extends to conflict on the outer terminal surface of guide arm 8 in guiding hole 7, can press from both sides guide arm 8 through adjusting clamping bolt 22 and press from both sides tightly, prevent that guide arm 8 from sliding by oneself in guiding hole 7 when using, make more stable when using, and it is also more convenient when adjusting to adopt clamping bolt 22 to press from both sides tightly.

Still be equipped with extension spring 23 between connecting rod 10 and the connecting seat 9, extension spring 23 one end is connected on connecting rod 10, and the other end is connected on connecting seat 9, can make back 5 give a pulling force when adjusting the use, prevents that all power from using on worm wheel 12 and worm 13 when using, can increase the life of worm wheel 12 and worm 13.

Claims

1. The utility model provides a multifunctional chair, includes base, bracing piece, cushion, footrest and back, upper end of the support bar fixed connection under the cushion on the terminal surface, the bracing piece lower extreme rotates and sets up on the base, its characterized in that: the cushion is characterized in that a mounting seat is further arranged on the lower end face of the cushion, a guide hole is formed in the mounting seat, a guide rod is arranged on the footrest and is arranged in the guide hole in a sliding mode, a locking assembly used for positioning the two is arranged between the corresponding guide rods on the mounting seat, a connecting seat is fixedly arranged on the lower end face of the cushion, a connecting rod is arranged between the connecting seat and the backrest, one end of the connecting rod is hinged to the other end of the connecting seat and is fixedly arranged on the backrest, and a driving mechanism used for driving the connecting rod to rotate is.

2. The multifunctional chair according to claim 1, wherein: the driving mechanism comprises a rotating shaft arranged on a connecting rod, a worm wheel sleeved on the rotating shaft and a worm arranged on the connecting seat, the rotating shaft is arranged to be matched with the connecting seat in a hinged mode, the connecting rod is arranged on the connecting seat through rotation of the rotating shaft, the worm wheel and the rotating shaft rotate in circumferential direction synchronously, and the worm is arranged on the connecting seat in a penetrating mode and meshed with the worm wheel in a penetrating mode in a static state.

3. A multifunctional chair as claimed in claim 1 or 2, wherein: the foot rest is characterized by further comprising a plate body and a lifting rod, the lifting rod comprises a first rod body and a second rod body, one end of the first rod body is inserted into the second rod body, the second rod body is fixedly arranged on the guide rod, a first through hole is formed in the first rod body, a V-shaped metal elastic sheet is arranged at the position, located in the first through hole, of the first rod body, the metal elastic sheet is clamped in the first rod body, a boss is further arranged on the metal elastic sheet, the boss extends to the outside of the first rod body through the first through hole, a plurality of second through holes are formed in the second rod body and are arranged along the vertical direction, and the boss can extend to the outside of the second rod body through the first through hole and.

4. A multifunctional chair as claimed in claim 2, wherein: the worm wheels are arranged in parallel, and when the worm wheels are static, the worm wheels are meshed with the worm.

5. A multifunctional chair as claimed in claim 3, wherein: the locking assembly comprises a threaded hole arranged on the mounting seat and a clamping bolt arranged in the threaded hole in a penetrating mode, the threaded hole is communicated with the guide hole, and the clamping bolt penetrates through the threaded hole to extend into the guide hole to abut against the outer end face of the guide rod in use.

6. A multifunctional chair as claimed in claim 4 or 5, wherein: still be equipped with the extension spring between connecting rod and the connecting seat, extension spring one end is connected on the connecting rod, and the other end is connected on the connecting seat.