CN218338000U - Office chair with adjustable waist support - Google Patents
Office chair with adjustable waist support Download PDFInfo
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- CN218338000U CN218338000U CN202221965412.5U CN202221965412U CN218338000U CN 218338000 U CN218338000 U CN 218338000U CN 202221965412 U CN202221965412 U CN 202221965412U CN 218338000 U CN218338000 U CN 218338000U
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- palm
- office chair
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Abstract
The utility model provides an office chair with adjustable support of waist, includes the base, the both sides fixed connection supporting seat of base, the one end of supporting seat extends to the lower extreme of base, the other end fixed connection back of supporting seat, the back is used for supporting the support waist structure of human waist towards a side-mounting of base, support waist piece in the support waist structure and inwards protruding, the headrest structure that the top installation of back is used for supporting human head, the utility model discloses support waist piece radian size of waist structure can be applicable to different crowds ' lumbar support through the lift adjustment of support waist lift handle, secondly, headrest structure legal people headrest lifter can be adjusted from top to bottom, and the headrest frame can rotate around the screw rod and adjust, is applicable to different crowds ' head support, has improved office chair's travelling comfort greatly.
Description
Technical Field
The utility model belongs to the technical field of office chair technique and specifically relates to an office chair with adjustable support waist.
Background
An office chair refers to various chairs which are convenient for work in daily work and social activities. The office chair is defined as a backrest chair on which a person sits when working on a table top in a sitting posture, and is defined as all chairs used in offices in a broad sense, including office chairs, middle office chairs, guest-meeting chairs, employee chairs, conference chairs, visitor chairs, training chairs and the like.
The human body is sat on office chair, and the weight of its upper part of the body is mainly still born by the waist, and seat support is connected to conventional office chair back of the chair, can separate a large segment distance between back of the chair and the human waist, and the unable human waist of laminating of back of the chair plays the effect of supporting human waist, consequently, upper part of the body weight can't obtain the dispersion completely, sits for a long time and can let the people produce the soreness of the waist back pain, causes the spinal column crooked even.
The utility model discloses a chinese utility model patent of appearance chair is rectified to three backs of support waist formula as application number CN201822091398.0, it includes base, chair post, seat, the support back of the chair of compriseing two backplates of arc connecting rod swing joint, there is certain gap between two backplates, the chair post erects on the base, seat horizontal installation is on the chair post, support the back of the chair back and pass through the connecting rod towards the seat and install on the chair post on seat upper portion, still install the support waist back of the chair towards the seat on the chair post between seat and the support back of the chair back. The utility model discloses a through the fixed support waist back of the chair, realized the support of waist, alleviated the tired symptom that the waist back portion of sitting for a long time produced.
However, there are problems that the waist support chair back of the posture correcting chair is not adjustable and cannot adapt to the lumbar support of different people; secondly, the head and two sides of the posture correcting chair are not provided with proper support structures, so that the comfort level of the posture correcting chair is reduced.
Therefore, in order to solve the above problems, a waist support adjustable office chair is designed, the waist support structure of which is suitable for the waist support of different people, and secondly, the head and both sides of which are provided with support structures, so that the comfort degree of the office chair is increased.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide an office chair with adjustable support waist, its support waist structure is applicable to different crowds 'lumbar support, secondly, its head and both sides all have bearing structure, have increased office chair's comfortable degree.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an adjustable office chair of support waist, includes the base, the both sides fixed connection supporting seat of base, the one end of supporting seat extends to the lower extreme of base, the other end fixed connection back of supporting seat, the back is used for supporting the support waist structure of human waist towards a side-mounting of base, support the inside arch of waist piece in the support waist structure, the top installation of back is used for supporting the headrest structure of human head.
As a preferred scheme of the utility model, one side formation support waist mounting groove inwards of back, support waist mounting groove and support waist structure and pass through bolt fixed connection, support waist structure including holding in the palm waist lift seat, holding in the palm waist elevator, support waist lift handle, kickback baffle, hou gai, support waist elevator card go into in holding in the palm waist lift seat, the back of holding in the palm waist elevator and holding in the palm waist lift handle bolted connection, the kickback is gone into in the support waist elevator, the kickback is gone into to the card in the support waist elevator, the front and the kickback baffle joint cooperation of support waist elevator, the kickback stopper that the kickback front end formed stretches out outside the kickback baffle.
As a preferred scheme of the utility model, hold in the palm waist lift seat towards one side and the cooperation of back lid joint of back, back lid middle part forms and covers the spacing groove behind bullet piece stopper matched with.
As a preferred scheme of the utility model, one side formation installation piece, location strip of back inwards, the installation piece is located the upper end of holding in the palm waist mounting groove, location strip next-door neighbour holds in the palm the lower extreme of waist mounting groove, hold in the palm waist structure including holding in the palm waist top stopper, holding in the palm the waist piece, the both ends that hold in the palm the waist piece form the Y angle, the Y angle that holds in the palm waist piece one end corresponds and the card goes into the support waist top stopper with the pivot hole that holds in the palm formation on the waist top stopper, the Y angle that holds in the palm the waist piece other end corresponds and the card goes into the support waist lift handle with the handle pivot hole that holds in the palm the formation on the waist lift handle.
As an optimized scheme of the utility model, the one end towards holding in the palm waist lifting handle of location strip with hold in the palm waist lifting handle looks butt.
As a preferred scheme of the utility model, the headrest structure comprises a headrest lifting rod, a headrest limiting toothed sheet, a headrest frame, a spring, a screw rod and an inner hexagonal splint nut; the middle hollow structure that forms in headrest lifter head, both sides form the shoulder hole, during the spacing fluted disc card of headrest goes into the shoulder hole, during headrest lifter head hollow structure is gone into to the headrest frame card, headrest lifter and headrest frame are connected to the screw rod, the both ends and the interior hexagonal splint nut threaded connection of screw rod.
As an optimized proposal of the utility model, a spring is arranged between the headrest limiting tooth plate and the inner hexagonal splint nut.
As a preferred scheme of the utility model, the headrest structure includes headrest fixing base, headrest fixing base briquetting, ripples pearl spring, during headrest lifter lower extreme inserts the headrest fixing base, headrest fixing base briquetting is installed towards the one end of back to the headrest fixing base, the mid-mounting ripples pearl spring of headrest fixing base briquetting, ripples pearl spring and headrest lifter middle part form mounting groove looks adaptation.
As a preferred scheme of the utility model, the headrest fixing base is connected on the backrest through the bolts fixed on both sides.
As a preferred scheme of the utility model, fixed connection handrail on the supporting seat.
The utility model has the advantages that:
the utility model discloses the support waist piece radian size of holding in the palm waist structure can be through the lift adjustment of holding in the palm waist lift handle, is applicable to different crowds ' lumbar support, and secondly, headrest structure legal system people headrest lifter can be adjusted from top to bottom, and the headrest frame can rotate around the screw rod and adjust, is applicable to different crowds ' head support, has improved office chair's travelling comfort greatly.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the backrest of the present invention;
fig. 3 is a first schematic structural view of the waist support structure of the present invention;
fig. 4 is a second schematic structural view of the waist support structure of the present invention;
fig. 5 is a schematic structural view of the headrest structure of the present invention;
figure 6 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A of the present invention;
fig. 7 is a cross-sectional view at B-B of the present invention;
reference numbers in the figures: the seat comprises a base 1, a supporting seat 2, a backrest 3, a waist supporting structure 4, a headrest structure 5, handrails 6, a waist supporting mounting groove 31, a mounting block 32, a positioning strip 33, a waist supporting lifting seat plate 41, a waist supporting lifting block 42, a waist supporting lifting handle 43, a spring block 44, a spring block partition plate 45, a rear cover 46, a waist supporting top limiting block 47, a waist supporting sheet 48, a headrest lifting rod 51, a headrest limiting toothed sheet 52, a headrest frame 53, a spring 54, a screw 55, an inner hexagonal splint nut 56, a headrest fixing seat 57, a headrest fixing seat pressing block 58, a bead spring 59, a handle rotating shaft hole 431, a spring block limiting block 441, a rear cover limiting groove 461, a rotating shaft hole 471, a stepped hole 511 and a mounting groove 512.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-7, an office chair with adjustable waist support comprises a base 1, two sides of the base 1 are fixedly connected with a supporting seat 2, one end of the supporting seat 2 extends to the lower end of the base 1, the other end of the supporting seat 2 is fixedly connected with a backrest 3, the backrest 3 faces one side of the base 1 and is provided with a waist support structure 4 for supporting the waist of a human body, a waist support sheet 48 in the waist support structure 4 protrudes inwards, and a headrest structure 5 for supporting the head of the human body is arranged at the top of the backrest 3.
Specifically, base 1 and back 3 are through being located the 2 fixed connection of supporting seat of 1 both sides of base, 3 inboard laying support waist piece 48 radians that hold in the palm waist structure 4 of back 3 can be adjusted through holding in the palm waist lift handle 43, the regulation that holds in the palm 48 radians of waist piece is used for adapting to the support of different user's waists, the headrest structure 5 at back 3 top can be adjusted from top to bottom, headrest structure 5's headrest frame 53 also can rotate around screw rod 55 and adjust, headrest structure 5's regulation is applicable to the support of head.
The chassis is arranged at the lower end of the base 1, and the chassis meeting the requirements of the base 1 can be arranged due to the variety of the chassis, so that the chassis is not shown in figures 1-7.
As shown in fig. 1-4, one side of the backrest 3 facing inward forms a waist supporting mounting groove 31, the waist supporting mounting groove 31 is fixedly connected with the waist supporting structure 4 through a bolt, the waist supporting structure 4 comprises a waist supporting lifting seat plate 41, a waist supporting lifting block 42, a waist supporting lifting handle 43, an elastic block 44, an elastic block partition plate 45 and a rear cover 46, the waist supporting lifting block 42 is clamped in the waist supporting lifting seat plate 41, the back of the waist supporting lifting block 42 is connected with the waist supporting lifting handle 43 through a bolt, the elastic block 44 is clamped in the waist supporting lifting block 42, the front of the waist supporting lifting block 42 is in clamping fit with the elastic block partition plate 45, and an elastic block limiting block 441 formed at the front end of the elastic block 44 extends out of the elastic block partition plate 45.
The waist supporting lifting seat plate 41 is matched with the rear cover 46 in a clamping manner towards one side of the backrest 3, and a rear cover limiting groove 461 matched with the elastic block limiting block 441 is formed in the middle of the rear cover 46.
Back 3 one side inwards forms installation piece 32, location strip 33, installation piece 32 is located the upper end that holds in the palm waist mounting groove 31, location strip 33 is close to the lower extreme that holds in the palm waist mounting groove 31, hold in the palm waist structure 4 including holding in the palm waist top stopper 47, holding in the palm waist piece 48, the both ends that hold in the palm waist piece 48 form the Y angle, the Y angle is promptly for holding in the palm waist piece 48 both ends and holding in the palm waist top stopper 47, the part that holds in the palm waist lift handle 4 and be connected, the Y angle that holds in the palm waist piece 48 one end corresponds and blocks in the support waist top stopper 47 the pivot hole 47 that forms on the support waist top stopper 47, installation pivot in pivot hole 47 and the Y angle, the Y angle that holds in the palm the waist piece 48 other end corresponds and holds in the palm waist lift handle hole 431 that forms on the waist lift handle 43 and block in the support waist lift handle 43, the installation pivot in handle pivot hole 431 and the Y angle, the installation radian of two Y angles of support waist piece 48 has realized holding in the support the first production of waist piece 48.
One end of the positioning strip 33 facing the waist supporting lifting handle 43 is abutted against the waist supporting lifting handle 43, so that the waist supporting lifting handle 43 can move linearly upwards, and the radian change of the waist supporting sheet 48 can be further effectively controlled.
Specifically, the front view of the waist support sheet 48 is fishbone-shaped, the fishbone-shaped waist support sheet 48 has good flexibility and facilitates the adjustment of the radian of the waist support sheet 48, and the side view of the waist support sheet 48 is arc-shaped protruding towards the direction of the base 1; when the waist support sheet 48 and the backrest 3 are used, a layer of mesh fabric needs to be covered on the surface of the waist support sheet 48 and the backrest 3 to prevent the waist of the user from being damaged due to the hardness of the waist support sheet 48 and the backrest 3.
The waist supporting lifting handle 43 moves upwards to drive the waist supporting lifting block 42 to move upwards, the elastic block limiting block 441 which is installed in the waist supporting lifting block 42 and matched with the rear cover limiting groove 461 also moves upwards along the rear cover limiting groove 461 until the waist supporting lifting handle 43 stops moving upwards, the elastic block limiting block 441 is clamped into the rear cover limiting groove 461 to realize limiting, correspondingly, the waist supporting piece 48 is outwards more convex, and the formed arc supports the waist of a user reasonably.
Correspondingly, if the user feels that the radian is not suitable for the user's waist, the waist supporting lifting handle 43 is moved downwards to drive the waist supporting lifting block 42 to move downwards, the elastic block limiting block 441 installed in the waist supporting lifting block 42 and matched with the rear cover limiting groove 461 also moves downwards along the rear cover limiting groove 461 until the waist supporting lifting handle 43 stops moving upwards, the elastic block limiting block 441 is clamped into the rear cover limiting groove 461 to achieve limiting, meanwhile, the radian of the waist supporting sheet 48 is more gentle, and the formed arc supports the waist of the user reasonably.
As shown in fig. 5 to 7, the headrest structure 5 includes a headrest lifter 51, a headrest limit tooth plate 52, a headrest frame 53, a spring 54, a screw 55, and an inner hexagonal cleat nut 56; form hollow out construction in the middle of the headrest lifter 51 head, both sides form shoulder hole 511, the spacing dentate 52 card of headrest goes into shoulder hole 511, during headrest frame 53 card goes into headrest lifter 51 head hollow out construction, headrest lifter 51 and headrest frame 53 are connected to screw rod 55, spring 54 has been laid between the both ends of screw rod 55 and interior hexagonal splint nut 56 threaded connection headrest spacing dentate 52 and interior hexagonal splint nut 56, and the handrail stifle has still been laid outside the shoulder hole 511, avoids hexagonal splint nut 56 to deviate from shoulder hole 511.
Specifically, when the inner hexagonal clamp nut 56 of the headrest frame 53 is not in threaded connection with the screw 55, the headrest frame 53 can rotate along the screw 55 to adjust the position of the headrest frame 53, after the position of the headrest frame 53 is adjusted, the inner hexagonal clamp nut 56 and the spring 54 are sequentially installed at the two ends of the screw 55 to prevent the headrest frame 53 from rotating, and meanwhile, the headrest limiting toothed plates 52 at the two ends of the headrest frame 53 also limit the left and right of the headrest frame 53.
The headrest fixing seat 57 is fixedly connected to the backrest 3 through bolts at two sides, and the position of the headrest fixing seat 57 on the backrest 3 is unchanged.
The supporting seat 2 is fixedly connected with an armrest 6, and the armrest 6 supports the arm of a user, so that the comfort of the office chair is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the seat comprises a base 1, a supporting seat 2, a backrest 3, a waist supporting structure 4, a headrest structure 5, a handrail 6, a waist supporting installation groove 31, an installation block 32, a positioning strip 33, a waist supporting lifting seat plate 41, a waist supporting lifting block 42, a waist supporting lifting handle 43, a spring block 44, a spring block partition plate 45, a rear cover 46, a waist supporting top limiting block 47, a waist supporting sheet 48, a headrest lifting rod 51, a headrest limiting toothed sheet 52, a headrest frame 53, a spring 54, a screw 55, an inner hexagonal splint nut 56, a headrest fixing seat 57, a headrest fixing seat pressing block 58, a bead spring 59, a handle rotating shaft hole 431, a spring block limiting block 441, a rear cover limiting groove 461, a rotating shaft hole 471, a stepped hole 511, an installation groove 512 and other terms, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides an adjustable office chair of support waist which characterized in that: including base (1), both sides fixed connection supporting seat (2) of base (1), the one end of supporting seat (2) extends to the lower extreme of base (1), other end fixed connection back (3) of supporting seat (2), its characterized in that: the waist support structure (4) used for supporting the waist of a human body is installed on one side, facing the base (1), of the backrest (3), the waist support sheet (48) in the waist support structure (4) protrudes inwards, and the headrest structure (5) used for supporting the head of the human body is installed at the top of the backrest (3).
2. The adjustable office chair of claim 1, wherein: backrest (3) one side inwards forms support waist mounting groove (31), support waist mounting groove (31) and support waist structure (4) and pass through bolt fixed connection, support waist structure (4) including support waist lift seat (41), support waist elevator (42), support waist lift handle (43), bullet piece (44), bullet piece baffle (45), hou gai (46), support waist elevator (42) card go into support waist lift seat (41), support the back of waist elevator (42) and support waist lift handle (43) bolted connection, block (44) are gone into to the card in support waist elevator (42), support the front and the cooperation of bullet piece baffle (45) joint of waist elevator (42), bullet piece baffle stopper (441) that bullet piece (44) front end formed stretches out outside bullet piece (45).
3. The adjustable waist support office chair according to claim 2, wherein: the waist supporting lifting seat plate (41) is matched with a rear cover (46) in a clamping mode towards one side of a backrest (3), and a rear cover limiting groove (461) matched with an elastic block limiting block (441) is formed in the middle of the rear cover (46).
4. The adjustable office chair of claim 2, wherein: backrest (3) one side inwards forms installation piece (32), location strip (33), installation piece (32) are located the upper end of holding in the palm waist mounting groove (31), location strip (33) are close to the lower extreme that holds in the palm waist mounting groove (31), hold in the palm waist structure (4) including holding in the palm waist top stopper (47), support waist piece (48), the both ends that hold in the palm waist piece (48) form the Y angle, the Y angle of holding in the palm waist piece (48) one end corresponds and blocks into support waist top stopper (47) with pivot hole (471) that form on holding in the palm waist top stopper (47), the Y angle of holding in the palm the waist piece (48) other end corresponds and blocks into support waist lift handle (43) with handle pivot hole (431) that forms on holding in the palm waist lift handle (43).
5. The adjustable office chair of claim 4, wherein: one end of the positioning strip (33) facing the waist supporting lifting handle (43) is abutted against the waist supporting lifting handle (43).
6. The adjustable office chair of claim 1, wherein: the headrest structure (5) comprises a headrest lifting rod (51), a headrest limiting toothed sheet (52), a headrest frame (53), a spring (54), a screw rod (55) and an inner hexagonal clamp plate nut (56); headrest lifter (51) head middle formation hollow out construction, both sides form shoulder hole (511), during shoulder hole (511) are gone into to headrest spacing tine (52) card, during headrest lifter (51) head hollow out construction is gone into to headrest frame (53) card, headrest lifter (51) and headrest frame (53) are connected in screw rod (55), the both ends and interior hexagonal splint nut (56) threaded connection of screw rod (55).
7. The adjustable office chair of claim 6, wherein: and a spring (54) is arranged between the headrest limiting toothed sheet (52) and the inner hexagonal splint nut (56).
8. The adjustable office chair of claim 6, wherein: headrest structure (5) are including headrest fixing base (57), headrest fixing base briquetting (58), ripples pearl spring (59), headrest lifter (51) lower extreme inserts in headrest fixing base (57), headrest fixing base (57) is towards one end installation headrest fixing base briquetting (58) of back (3), mid-mounting ripples pearl spring (59) of headrest fixing base briquetting (58), ripples pearl spring (59) and headrest lifter (51) middle part form mounting groove (512) looks adaptation.
9. The adjustable waist support office chair according to claim 8, wherein: the headrest fixing seat (57) is fixedly connected to the backrest (3) through bolts on two sides.
10. The adjustable office chair of claim 1, wherein: and the supporting seat (2) is fixedly connected with a handrail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965412.5U CN218338000U (en) | 2022-07-28 | 2022-07-28 | Office chair with adjustable waist support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965412.5U CN218338000U (en) | 2022-07-28 | 2022-07-28 | Office chair with adjustable waist support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218338000U true CN218338000U (en) | 2023-01-20 |
Family
ID=84915186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221965412.5U Active CN218338000U (en) | 2022-07-28 | 2022-07-28 | Office chair with adjustable waist support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218338000U (en) |
-
2022
- 2022-07-28 CN CN202221965412.5U patent/CN218338000U/en active Active
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