CN114587101B - Manufacturing method of office chair back - Google Patents
Manufacturing method of office chair back Download PDFInfo
- Publication number
- CN114587101B CN114587101B CN202210184436.5A CN202210184436A CN114587101B CN 114587101 B CN114587101 B CN 114587101B CN 202210184436 A CN202210184436 A CN 202210184436A CN 114587101 B CN114587101 B CN 114587101B
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- China
- Prior art keywords
- inner frame
- filler
- cross beam
- outer sleeve
- manufacturing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 51
- 230000008093 supporting effect Effects 0.000 claims abstract description 41
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a manufacturing method of an office chair back, which comprises the following steps: the first step: manufacturing a support frame, and in the second step: preparing a filler; and a third step of: embedding the supporting frame completed in the first step into the filler (21), and the fourth step: selecting a plurality of flexible buffer strips (31), and attaching the buffer strips (31) to the back surfaces of the two vertical rods (3), the third cross beam (12) at the top of the inner frame (1) and the fourth cross beam (13) at the bottom of the inner frame (1); fifth step: manufacturing a jacket, and a sixth step: everting the jacket completed in the fifth step, sleeving the jacket from the head of the filler (21), and plugging the sides of all the buffer strips into the inner side of the jacket; seventh step: the outer sleeve is made to wrap the sponge filler (21). The manufacturing method adopts the inner frame with better supporting structure, solves the direct friction between the frame and the outer sleeve, increases the positioning effect between the sponge filler and the inner frame, and increases the side wing supporting effect.
Description
Technical Field
The invention relates to the technical field of office furniture, in particular to a manufacturing method of an office chair back.
Background
Office chairs are one of the most commonly used office furniture in a variety of styles. At present, an office chair with a filler inside and leather or leather-like material outside is provided, a base is generally provided with a lifting gas spring and can rotate at any angle, the angle is convenient to adjust, and armrests are arranged on two sides of a chair seat. The chair back generally adopts a structure capable of adjusting the inclination angle, and an integrated headrest is arranged at the top of the chair back. At present, the office chair with the structure is manufactured, and a chair back, a chair seat, armrests and a base are respectively and independently processed and finally assembled into a whole. Wherein the following disadvantages exist in the manufacturing process of the chair back:
1. The internal frame of the chair back adopts a square frame structure, and has higher strength outside, but has poorer supporting effect and cannot excessively support fillers, so that the chair back has insufficient supporting property and poor resetting effect.
2. The frame at the back of the chair back is exposed and is contacted with the inner wall of the outer sleeve, when the chair is used, friction exists between the frame and the outer sleeve, and the inner wall of the outer sleeve and the inner frame are worn and broken due to the fact that the inner frame is supported by steel.
3. The filler and the inner frame lack effective positioning, and the dislocation occurrence probability exists during use.
4. The lack of positioning between the chair back body and the side wings on both sides results in the failure of the side wings to support the back effectively.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing method of an office chair back, which adopts an inner frame with a better supporting structure, solves the problem of direct friction between the frame and an outer sleeve, increases the positioning effect between a sponge filler and the inner frame and increases the side wing supporting effect.
The technical scheme of the invention is that the manufacturing method of the office chair back comprises the following structural steps: the manufacturing of the support frame, namely selecting a rectangular inner frame, arranging a head support frame at the top of the inner frame, arranging side wing wrapping supports on the left vertical rod and the right vertical rod of the inner frame respectively, wherein the side wing wrapping supports are approximately vertical to the inner frame, and a first reinforcing rod is arranged at the top of each vertical rod and the top of the side wing wrapping support and inclines to the outer side of the inner frame; the bottoms of the left vertical rod and the right vertical rod are provided with fixing seats for installing hinges; the inner side top of the inner frame is provided with a first cross beam, the inner side bottom of the inner frame is provided with a second cross beam, two upright posts are arranged on the first cross beam and the second cross beam, a supporting plate is fixed on the second cross beam and the two upright posts, and the back surface of the supporting plate is provided with an inverted V-shaped first supporting rod;
And a second step of: preparing a filler; a sponge filler of a backrest is manufactured, a headrest is arranged at the top of the sponge filler, a first notch which extends downwards to the boundary is arranged in the middle of the sponge filler, first grooves which extend in the thickness direction are arranged at two sides of the first notch, a second groove which extends into the headrest in the height direction is arranged at the top surface of the first notch, and through holes for installing armrests are arranged at two side surfaces of the sponge filler; a third groove is respectively arranged below the through holes;
And a third step of: embedding the supporting frame completed in the first step into the filler, so that the head supporting frame is embedded into a second groove of the headrest, the left vertical rod and the right vertical rod are respectively embedded into a first groove on the corresponding side, and the two side wing wrapping supports are also respectively embedded into a corresponding first groove; simultaneously, the whole inner frame is lower than the surface of the filler;
fourth step: selecting a plurality of flexible buffer strips, attaching the buffer strips on the back surfaces of the two vertical rods, the third cross beam at the top of the inner frame and the fourth cross beam at the bottom of the inner frame, and enabling all the buffer strips to protrude out of the sponge filler;
fifth step: making an outer sleeve, matching the outer sleeve with the sponge filler by sewing, wherein the outer sleeve comprises a front surface, a back surface and a head sleeve, the front surface comprises a part for wrapping the side wings, and a zipper which is opened and closed is respectively arranged at the joint of the front surface and the back surface;
sixth step: turning the outer sleeve finished in the fifth step outwards, sleeving the outer sleeve from the head of the filler, and plugging the side surfaces of all the buffer strips into the inner side of the outer sleeve;
Seventh step: a positioning strip is inserted into each of the two first positioning sleeves, the first positioning sleeves inserted with the positioning strips are respectively fixed to corresponding vertical rods, a buffer block is inserted between the front face of the outer sleeve and the supporting plate, the buffer block is attached to the inner side of the front face of the outer sleeve, the second positioning sleeve is inserted with the positioning strip, and meanwhile, the two zippers on the back face are folded, so that the outer sleeve wraps the sponge filler.
And in the fourth step, an adhesive tape is bonded on one surface of each buffer strip, the width of the adhesive tape is smaller than that of the buffer strip, and the adhesive tape is bonded with the bonded part so that the buffer strip is fixed.
In the fifth step, two first positioning sleeves are arranged on the inner side of the front face, each positioning sleeve is positioned at the joint of the front face and the side wing, and a second positioning sleeve is arranged at the bottom of the front face; and simultaneously, the first positioning sleeve is fixed on the vertical rod at the same side.
The front surface of the supporting plate is lower than the plane formed by the two vertical rods, and a cavity is formed between the front surface of the outer sleeve and the supporting plate in the seventh step.
In the fourth step, after the buffer strips are added, the back surfaces of the two vertical rods, the third cross beam at the top of the inner frame and the fourth cross beam at the bottom of the inner frame are attached to the back surfaces of the sleeved outer sleeves and the buffer strips corresponding to the back surfaces of the outer sleeves.
After the steps are adopted, compared with the prior art, the technology provided by the invention has the following remarkable progress and outstanding substantive characteristics:
1. Besides the strength of the inner frame, the two upright posts and one supporting plate are additionally arranged in the chair back, so that the supporting plate in the middle of the inner frame can provide better supporting performance besides ensuring the original strength, the two upright posts provide the supporting plate with enough strength, the supporting plate can deform to a certain extent, and the two upright posts can have a certain front-back swinging distance under the deformation, so that the comfort and the supporting performance of a user are improved.
2. Attaching buffer strips on the back surfaces of the third cross beam at the top of the two vertical rods and the inner frame and the fourth cross beam at the bottom of the inner frame, and enabling all the buffer strips to protrude out of the sponge filler, so that the outer sleeve is not directly contacted with the fourth cross beam at the bottom of the vertical rods and the inner frame of the third cross beam, and the outer sleeve is prevented from being worn; and the buffer strip can also play a role in impacting the filler by external force, so that the protection effect is improved.
3. The inner frame is embedded into the filler, and the armrests penetrate through the side surfaces of the filler and are arranged on the side surfaces of the inner frame, so that the positioning effect between the filler and the inner frame is good, and dislocation of the filler and the inner frame is avoided.
4. The two first positioning sleeves are respectively inserted with one positioning strip, and the first positioning sleeves inserted with the positioning strips are respectively fixed on the corresponding vertical rods, and as each positioning sleeve is positioned at the joint of the front surface and the side wing, the joint strength of the side wing can be increased, meanwhile, the outer sleeve and the inner frame can be attached more, and the joint of the front surface and the side wing is prevented from being wrinkled.
5. A buffer block is inserted between the front surface of the outer sleeve and the supporting plate and is attached to the inner side of the front surface of the outer sleeve, so that the front surface of the chair back has a better buffer effect.
6. And a positioning strip is inserted into the second positioning sleeve, and meanwhile, the two zippers on the back are folded, so that the sponge filler is wrapped by the outer sleeve, and the bottom opening of the outer sleeve is well closed. Avoiding excessive compression of the filling by the jacket.
Drawings
Fig. 1 is a schematic view of the front of the inner frame of the office chair back of the present invention.
Fig. 2 is a schematic view of the back of the inner frame of the office chair back of the present invention.
Fig. 3 is a schematic view of the filling of the office chair back of the present invention.
Figure 4 is a schematic view of the back of an office chair back of the present invention.
Fig. 5 is a schematic view of the outer cover of the office chair back of the present invention.
As shown in the figure: 1. the head support comprises an inner frame, 2, a head support frame, 3, a vertical rod, 4, a side wing wrapping support, 5, a first reinforcing rod, 6, a fixing seat, 7, a first cross beam, 8, a second cross beam, 9, an upright post, 10, a supporting plate, 11, a first supporting rod, 12, a third cross beam, 13, a fourth cross beam, 21, a filler, 22, a headrest, 23, a first notch, 24, a first groove, 25, a second groove, 26, a through hole, 27, a third groove, 31, a buffer strip, 41, a front face, 42, a back face, 43 and a headgear.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1 to 5, the method for manufacturing the office chair back of the invention comprises the following steps:
The first step: as shown in fig. 1 and 2, a rectangular inner frame 1 is selected, and a head support 2 is arranged at the top of the inner frame 1, wherein the head support 2 is inclined towards the front. The left and right vertical rods 3 of the inner frame 1 are respectively provided with a flank wrapping bracket 4, the flank wrapping brackets 4 are Y-shaped, the flank wrapping brackets 4 are approximately vertical to the inner frame 1, the top of each vertical rod 3 and the top of the flank wrapping bracket 4 are provided with a first reinforcing rod 5, and the first reinforcing rods 5 incline to the outer side of the inner frame 1; the bottoms of the left vertical rod 3 and the right vertical rod 3 are provided with a fixed seat 6 for installing a hinge; a first cross beam 7 is arranged at the top of the inner side of the inner frame 1, and a second cross beam 8 is arranged at the bottom of the inner side of the inner frame 1. Be equipped with two stands 9 on first crossbeam 7 and second crossbeam 8, stand 9 possess certain deformation, be fixed with a backup pad 10 on second crossbeam 8, two stands 9, have a plurality of fretwork's aperture in the backup pad 10 to make backup pad 10 possess certain deformation strength, when the people leaned on, backup pad 10 can the indent, also can resume. An inverted V-shaped first support rod 11 is arranged on the back surface of the support plate 10; the first supporting rod 11 is V-shaped and is a spring, two ends of the bottom are buckled on the cross beam of the inner frame 1, and the first supporting rod 11 always provides supporting force for the bottom of the supporting plate 10.
And a second step of: preparing a filler; the method comprises the steps of manufacturing a sponge filler 21 of a backrest, wherein the sponge filler 21 is of an integral structure, a headrest 22 is arranged at the top of the sponge filler 21 at the same time, a first notch 23 which extends downwards to the boundary is arranged in the middle of the sponge filler, first grooves 24 which extend in the thickness direction are arranged at two sides of the first notch 23, a second groove 25 which extends into the headrest 22 in the height direction is arranged at the top surface of the first notch 23, and through holes 26 for installing armrests are arranged at two sides of the sponge filler 21; a third recess 27 is provided below the through-hole 26, respectively.
And a third step of: the support frame completed in the first step is embedded into the filler 21, the head support frame 2 is embedded into the second groove 25 of the headrest 22, the left vertical rod 3 and the right vertical rod 3 are respectively embedded into the first groove 24 on the corresponding side, and the two side wing wrapping supports 4 are respectively embedded into the corresponding first groove 24; while keeping the entire inner frame 1 below the surface of the filling 21;
Fourth step: selecting a plurality of flexible buffer strips 31, attaching the buffer strips 31 to the back surfaces of the two vertical rods 3, the third cross beam 12 at the top of the inner frame 1 and the fourth cross beam 13 at the bottom of the inner frame 1, and enabling all the buffer strips 31 to protrude out of the sponge filler 21; the lengths and the widths of the buffer strips 31 on the two vertical rods 3, the third cross beam 12 at the top of the inner frame 1 and the fourth cross beam 13 at the bottom of the inner frame 1 are larger than those of the body, so that the back exposed part can play a role in protection and buffer. One surface of each buffer strip 31 in the fourth step is bonded with a rubber strip, the width of the rubber strip is smaller than that of the buffer strip 31, and the rubber strip is bonded with the bonded part so that the buffer strip is fixed. In the fourth step, after the buffer strips 31 are added, the back surfaces of the two vertical rods 3, the third cross beam 12 at the top of the inner frame 1, the fourth cross beam 13 at the bottom of the inner frame 1 and the back surface 42 of the sleeved outer sleeve are attached to the corresponding buffer strips 31.
Fifth step: manufacturing an outer sleeve, wherein the outer sleeve is matched with the sponge filler 21 through sewing, the outer sleeve comprises a front surface 41, a back surface 42 and a head sleeve 43, the front surface 41 comprises a part for wrapping the side wings, and the connecting parts of the side surfaces of the front surface 41 and the back surface 42 are respectively provided with an open-close zipper; and after the chair back is installed, the chair back is pulled up, so that the whole chair back is wrapped by the outer sleeve. Two first positioning sleeves are arranged on the inner side of the front surface 41, each positioning sleeve is positioned at the joint of the front surface 41 and the side wing, and a second positioning sleeve is arranged at the bottom of the front surface 41; while the first positioning sleeve is fixed to the vertical rod 3 on the same side.
Sixth step: everting the outer sleeve completed in the fifth step, sleeving the everted part from the head of the filler 21, gradually sleeving the everted part outside the sponge filler, and plugging the side surfaces of all the buffer strips into the inner side of the outer sleeve;
Seventh step: one positioning strip is respectively inserted into the two first positioning sleeves, the first positioning sleeves inserted with the positioning strips are respectively fixed on the corresponding vertical rods 3, arc-shaped staples are adopted for fixing, and the first positioning sleeves are respectively fixed by 4-5 staples. At this time, a buffer block 32 is inserted between the front face 41 of the outer sleeve and the supporting plate 10, the buffer block 32 is attached to the inner side of the front face 41 of the outer sleeve, a positioning strip is inserted into the second positioning sleeve, and two zippers on the back face 42 are folded at the same time, so that the outer sleeve wraps the sponge filler 21. The front surface of the supporting plate 10 is lower than the plane formed by the two vertical rods 3, and a cavity is formed between the front surface 41 of the outer sleeve and the supporting plate 10 in the seventh step.
Claims (5)
1. The manufacturing method of the office chair back comprises the following steps:
The first step: the manufacturing method comprises the steps of manufacturing a supporting frame, selecting a rectangular inner frame (1), arranging a head supporting frame (2) at the top of the inner frame (1), arranging side wing wrapping supports (4) on the left vertical rod and the right vertical rod (3) of the inner frame (1) respectively, enabling the side wing wrapping supports (4) to be approximately vertical to the inner frame (1), arranging first reinforcing rods (5) at the top of each vertical rod (3) and the top of the side wing wrapping support (4), and enabling the first reinforcing rods (5) to incline to the outer side of the inner frame (1); the bottoms of the left vertical rod and the right vertical rod (3) are provided with a fixed seat (6) for installing a hinge; a first cross beam (7) is arranged at the top of the inner side of the inner frame (1), a second cross beam (8) is arranged at the bottom of the inner side of the inner frame (1), two upright posts (9) are arranged on the first cross beam (7) and the second cross beam (8), a supporting plate (10) is fixed on the second cross beam (8) and the two upright posts (9), and an inverted V-shaped first supporting rod (11) is arranged on the back surface of the supporting plate (10);
And a second step of: preparing a filler; a sponge filler (21) of a backrest is manufactured, a headrest (22) is arranged at the top of the sponge filler, a first notch (23) which extends downwards to the boundary is arranged in the middle of the sponge filler, first grooves (24) which extend in the thickness direction are arranged at two sides of the first notch (23), a second groove (25) which extends into the headrest (22) in the height direction is arranged at the top surface of the first notch (23), and through holes (26) for installing armrests are arranged at two side surfaces of the sponge filler (21); a third groove (27) is respectively arranged below the through holes (26);
And a third step of: the supporting frame finished in the first step is embedded into the filler (21), the head supporting frame (2) is embedded into the second groove (25) of the headrest (22), the left vertical rod and the right vertical rod (3) are respectively embedded into the first groove (24) on the corresponding sides, and the two side wing wrapping supports (4) are respectively embedded into the corresponding first groove (24); simultaneously, the whole inner frame (1) is lower than the surface of the filler (21);
fourth step: selecting a plurality of flexible buffer strips (31), attaching the buffer strips (31) to the back surfaces of the two vertical rods (3), the third cross beam (12) at the top of the inner frame (1) and the fourth cross beam (13) at the bottom of the inner frame (1), and enabling all the buffer strips (31) to protrude out of the sponge filler (21);
Fifth step: manufacturing an outer sleeve, wherein the outer sleeve is matched with the sponge filler (21) through sewing, the outer sleeve comprises a front surface (41), a back surface (42) and a head sleeve (43), the front surface (41) comprises a part for wrapping the side wings, and the connecting parts of the front surface (41) and the back surface (42) are respectively provided with an open-close zipper;
Sixth step: everting the jacket completed in the fifth step, sleeving the jacket from the head of the filler (21), and plugging the sides of all the buffer strips into the inner side of the jacket;
Seventh step: a positioning strip is inserted into each of the two first positioning sleeves, the first positioning sleeves inserted with the positioning strips are respectively fixed on corresponding vertical rods (3), a buffer block (32) is inserted between the front face (41) of the outer sleeve and the supporting plate (10), the buffer block (32) is attached to the inner side of the front face (41) of the outer sleeve, the positioning strips are inserted into the second positioning sleeve, and meanwhile, the two zippers on the back face (42) are folded, so that the outer sleeve wraps the sponge filler (21).
2. The method for manufacturing the office chair back according to claim 1, wherein: and in the fourth step, an adhesive tape is adhered to one surface of each buffer strip (31) which is adhered, the width of the adhesive tape is smaller than that of the buffer strip (31), and the adhesive tape is adhered to the adhered part so that the buffer strips are fixed.
3. The method for manufacturing the office chair back according to claim 1, wherein: in the fifth step, two first positioning sleeves are arranged on the inner side of the front surface (41), each positioning sleeve is positioned at the joint of the front surface (41) and the side wing, and a second positioning sleeve is arranged at the bottom of the front surface (41); and simultaneously, the first positioning sleeve is fixed on the vertical rod (3) on the same side.
4. A method of making an office chair back according to claim 3, wherein: the front surface of the supporting plate (10) is lower than the plane formed by the two vertical rods (3), and a cavity is formed between the front surface (41) of the outer sleeve and the supporting plate (10) in the seventh step.
5. The method for manufacturing the office chair back according to claim 1, wherein: in the fourth step, after the buffer strips (31) are added, the back surfaces of the two vertical rods (3), the third cross beam (12) at the top of the inner frame (1), the fourth cross beam (13) at the bottom of the inner frame (1) and the back surface (42) of the sleeved outer sleeve are attached to the buffer strips (31) corresponding to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184436.5A CN114587101B (en) | 2022-02-28 | 2022-02-28 | Manufacturing method of office chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184436.5A CN114587101B (en) | 2022-02-28 | 2022-02-28 | Manufacturing method of office chair back |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114587101A CN114587101A (en) | 2022-06-07 |
| CN114587101B true CN114587101B (en) | 2024-04-26 |
Family
ID=81816313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210184436.5A Active CN114587101B (en) | 2022-02-28 | 2022-02-28 | Manufacturing method of office chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114587101B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579289A (en) * | 2003-08-08 | 2005-02-16 | 吴秀雪 | Method for making office chair back and product thereof |
| TW201836526A (en) * | 2017-04-14 | 2018-10-16 | 廣力達企業有限公司 | Support plate for chair comprising an outer frame and a support surface |
| CN111202377A (en) * | 2020-03-13 | 2020-05-29 | 广州市沃时家具有限公司 | Stable office chair with long service life |
| CN210810081U (en) * | 2019-07-05 | 2020-06-23 | 大康控股集团有限公司 | Chair with detachable seat |
-
2022
- 2022-02-28 CN CN202210184436.5A patent/CN114587101B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579289A (en) * | 2003-08-08 | 2005-02-16 | 吴秀雪 | Method for making office chair back and product thereof |
| TW201836526A (en) * | 2017-04-14 | 2018-10-16 | 廣力達企業有限公司 | Support plate for chair comprising an outer frame and a support surface |
| CN210810081U (en) * | 2019-07-05 | 2020-06-23 | 大康控股集团有限公司 | Chair with detachable seat |
| CN111202377A (en) * | 2020-03-13 | 2020-05-29 | 广州市沃时家具有限公司 | Stable office chair with long service life |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114587101A (en) | 2022-06-07 |
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Address after: 315100 Longxing Village, Wuxiang Township, Yinzhou District, Ningbo City, Zhejiang Province Applicant after: Ningbo Xinlu Technology Industrial Co.,Ltd. Address before: 315111 No.2, Wuxiang North Road, Wuxiang Township, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Ningbo Xinlu Polyurethane Industry Co.,Ltd. |
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