CN205379079U - Incline and face upward power adjusting device's seat chassis in area - Google Patents
Incline and face upward power adjusting device's seat chassis in area Download PDFInfo
- Publication number
- CN205379079U CN205379079U CN201521102058.3U CN201521102058U CN205379079U CN 205379079 U CN205379079 U CN 205379079U CN 201521102058 U CN201521102058 U CN 201521102058U CN 205379079 U CN205379079 U CN 205379079U
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- CN
- China
- Prior art keywords
- slide block
- flexure strip
- elastic press
- incline
- adjusting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides an incline and face upward power adjusting device's seat chassis in area, including the seat shell with incline face upward power adjusting device, incline face upward power adjusting device include elastic press block, flexure strip, pivot, jump ring, slider, screw rod, pinion, regulation pole, gear wheel and back connecting piece, it is fixed by the jump ring that the back is connected through the pivot to seat shell and back connecting piece, elastic press block fixes respectively at the flexure strip both ends, the flexure strip both ends are connecting seat shell and back connecting piece respectively, the utility model discloses a lever principle has designed the area and has inclined and face upward the chassis of function, utilizes the regulation that has realized the power of facing upward of inclining to the regulation of extreme point pretightning force simultaneously, and the back that can make the office chair has to incline faces upward the function to can adjust the office chair and incline and face upward the in -process back and satisfied different size users' user demand to the bearing of user's back power, it has simple structure, low, the good characteristics of effect of cost of manufacture.
Description
Technical field
This utility model belongs to office appliance and field of furniture, is specifically related to a kind of use on the office chair of office space or at home rest etc., the adjustable a kind of Chair underframe with reclining apparatus for adjusting force of backrest supporting force.
Background technology
Currently, the office hours of office crowd is generally more than eight hours, office crowd spend every day about 60% time on chair, due to sitting, add the unsound seat of use and incorrect sitting posture, the office seating causing 75% uses crowd to suffer from cervical spondylosis in various degree, prolapse of lumbar intervertebral disc, vertebra lateral bending, the diseases such as chest and back pain, progress along with science and technology, the raising of people's living standard, healthy living is increasingly becoming the emphasis that people pay close attention to, the healthy office chair meeting body mechanics can effectively reduce the probability suffering from above-mentioned disease, thus office crowd is seemed increasingly important by the comfortable office chair of health.Although chair bottom traditional in the market is capable of the reclining function of backrest, but the demand of back support force is not different by the user of consideration different building shape, if using constant supporting force, the user that possible build is less thinks that backrest supporting force is too big, by not going down, and the bigger user of build thinks that backrest supporting force is too little, support force is inadequate.
Summary of the invention
For drawbacks described above and the problem of prior art, technical problem to be solved in the utility model is to provide a kind of Chair underframe with reclining apparatus for adjusting force, and its simple in construction, cost of manufacture is low.
In order to achieve the above object, this utility model provides following technical scheme:
A kind of Chair underframe with reclining apparatus for adjusting force, including a shell and reclining apparatus for adjusting force, described reclining apparatus for adjusting force includes elastic press, flexure strip, rotating shaft, jump ring, slide block, screw rod, little gear, adjusting rod, gear wheel and backrest connector, described seat shell and backrest connector are fixed by jump ring after being connected by rotating shaft, described elastic press is separately fixed at flexure strip two ends, described flexure strip two ends connect a shell and backrest connector respectively, described little gear is fixed on screw rod, gear wheel is fixed on adjusting rod, gear wheel and pinion gear teeth connect, it is spirally connected between described slide block and screw rod, elastic press and slide block fit tightly.
In technique scheme, described slide block and elastic press are respectively provided with inclined-plane, and the bevel angle of slide block is consistent with the bevel angle of elastic press.
In technique scheme, the external screw thread that the female thread that described slide block is arranged is arranged with screw rod matches, when screw rod rotates, it is possible to make slide block move.
In technique scheme, described adjusting rod arranges knob, and adjusting rod keeper is by fixing for adjusting rod present shell.
In technique scheme, described seat shell arranges fulcrum, fulcrum and flexure strip composition leverage.
This utility model devises the chassis with reclining function by lever principle, utilize the adjustment to end points pretightning force to achieve the adjustment of reclining power simultaneously, the backrest that can make office chair has reclining function, and backrest in office chair inclination process can be regulated the supporting force of user back is met the user demand of different building shape user, the feature that it has simple in construction, cost of manufacture is low, effect is good.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is reclining apparatus for adjusting force top view structural representation of the present utility model.
Fig. 2 is reclining apparatus for adjusting force upward view structural representation of the present utility model.
Wherein: 1, seat shell；2, elastic press；3, flexure strip；4, rotating shaft；5, jump ring；6, backrest connector；7, slide block；8, screw rod；9, little gear；10, adjusting rod；11, adjusting rod keeper；12, gear wheel.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
According to Fig. 1, Fig. 2, as a kind of Chair underframe with reclining apparatus for adjusting force shown in embodiment, including a shell and reclining apparatus for adjusting force.
Reclining apparatus for adjusting force includes elastic press, flexure strip, rotating shaft, jump ring, slide block, screw rod, little gear, adjusting rod, gear wheel and backrest connector, flexure strip is flexure strip prepared by glass fibre material, elastic press is the glass fiber sheets being provided with inclined-plane, slide block is also provided with inclined-plane, and the bevel angle of slide block is consistent with the bevel angle of elastic press.
Seat shell and backrest connector are fixed by jump ring after being connected by rotating shaft, seat shell and backrest connector are all nylon materials, the effect of backrest connector is the installation offer mounting hole site for backrest, make the backrest can around axis of rotation, the i.e. function of reclining backward, after seat shell and backrest connector are connected by rotating shaft and use jump ring fixing, backrest connector achieves the reclining of office chair backrest around axis of rotation.
Seat shell arranges fulcrum, and flexure strip stage casing is arranged on fulcrum, and fulcrum forms leverage with flexure strip, and the elastic reaction of flexure strip can make the backrest of reclining backward be returned to initial position.
Described elastic press is two pieces, two pieces of elastic press are separately fixed at flexure strip two ends, flexure strip two ends connect a shell and backrest connector respectively, the fixing point of the fixing flexure strip one end on seat shell is adjustable fixing point, the fixing point of the fixing flexure strip one end on backrest connector is non-dimmable fixing point, after flexure strip installs, it is locked on backrest connector by key screw elastic press, is finally reached the purpose of fixing flexure strip.
nullGear wheel is fixed by screws on adjusting rod，Adjusting rod keeper is by fixing for adjusting rod present shell，Adjusting rod arranges knob，Rotary knob，Drive gear wheel rotates，Gear wheel and pinion gear teeth connect，Therefore gear wheel rotates and little gear can be driven to rotate，Little gear is to be fixed by screws on screw rod，Little gear rotarily drives screw rod and also begins to rotate，The external screw thread that the female thread that slide block is arranged is arranged with screw rod matches，It is spirally connected between slide block and screw rod，Owing to the bevel angle of slide block and the bevel angle of elastic press are consistent，Therefore elastic press and slide block fit tightly，When screw rod rotates，Slide block can be made to move，When slide block moves，To one active force of elastic press，On flexure strip, now define adjustable pretightning force: when pressing under elastic press，Pretightning force strengthens，The supporting force of backrest becomes big，The user that applicable build is bigger；When elastic press rises, pretightning force adds little, and the supporting force of backrest diminishes, the user that applicable build is less.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with scope of the claims.
Claims (5)
1. the Chair underframe with reclining apparatus for adjusting force, it is characterized in that: include a shell and reclining apparatus for adjusting force, described reclining apparatus for adjusting force includes elastic press, flexure strip, rotating shaft, jump ring, slide block, screw rod, little gear, adjusting rod, gear wheel and backrest connector, described seat shell and backrest connector are fixed by jump ring after being connected by rotating shaft, described elastic press is separately fixed at flexure strip two ends, described flexure strip two ends connect a shell and backrest connector respectively, described little gear is fixed on screw rod, gear wheel is fixed on adjusting rod, gear wheel and pinion gear teeth connect, it is spirally connected between described slide block and screw rod, elastic press and slide block fit tightly.
2. a kind of Chair underframe with reclining apparatus for adjusting force according to claim 1, it is characterised in that: described slide block and elastic press are respectively provided with inclined-plane, and the bevel angle of slide block is consistent with the bevel angle of elastic press.
3. a kind of Chair underframe with reclining apparatus for adjusting force according to claim 2, it is characterised in that: the external screw thread that the female thread that described slide block is arranged is arranged with screw rod matches, when screw rod rotates, it is possible to make slide block move.
4. a kind of Chair underframe with reclining apparatus for adjusting force according to claim 1, it is characterised in that: described adjusting rod arranges knob, and adjusting rod keeper is by fixing for adjusting rod present shell.
5. a kind of Chair underframe with reclining apparatus for adjusting force according to claim 1, it is characterised in that: described seat shell arranges fulcrum, fulcrum and flexure strip composition leverage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102058.3U CN205379079U (en) | 2015-12-28 | 2015-12-28 | Incline and face upward power adjusting device's seat chassis in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102058.3U CN205379079U (en) | 2015-12-28 | 2015-12-28 | Incline and face upward power adjusting device's seat chassis in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205379079U true CN205379079U (en) | 2016-07-13 |
Family
ID=56338910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521102058.3U Active CN205379079U (en) | 2015-12-28 | 2015-12-28 | Incline and face upward power adjusting device's seat chassis in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205379079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913100A (en) * | 2015-12-28 | 2017-07-04 | 朱政臣 | Seat chassis with inclination and elevation force adjusting device |
| WO2021237811A1 (en) * | 2020-05-28 | 2021-12-02 | 安吉德卡办公系统有限公司 | Seat connection apparatus having adjustable backrest |
-
2015
- 2015-12-28 CN CN201521102058.3U patent/CN205379079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913100A (en) * | 2015-12-28 | 2017-07-04 | 朱政臣 | Seat chassis with inclination and elevation force adjusting device |
| WO2021237811A1 (en) * | 2020-05-28 | 2021-12-02 | 安吉德卡办公系统有限公司 | Seat connection apparatus having adjustable backrest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 3 Tandong Avenue, Dongyong Community, Longjiang Town, Shunde District, Foshan City, Guangdong Province (Jingyi Smart Home Industry Park) Patentee after: Guangdong Jingyi Furniture Co.,Ltd. Country or region after: China Address before: 528318 Foshan, Shunde, Guangdong province Longjiang Town, 8 West Road. Patentee before: FOSHAN SITZONE FURNITURE Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |