CN205338280U - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- CN205338280U CN205338280U CN201521030046.4U CN201521030046U CN205338280U CN 205338280 U CN205338280 U CN 205338280U CN 201521030046 U CN201521030046 U CN 201521030046U CN 205338280 U CN205338280 U CN 205338280U
- Authority
- CN
- China
- Prior art keywords
- gear
- backrest
- compressor arm
- mounting bracket
- chair
- Prior art date
- 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.)
- Expired - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a chair, including back, installing support, with the gear of installing support coupling, compress tightly with the gear engagement complex, the drive compresses tightly an actuating mechanism who compresses tightly or loosen the gear, the back is fixed with the gear. When the angle of needs adjustment back, make to compress tightly through actuating mechanism and loosen the gear, under the effect of external force, the back is along with the gear is rotatory, be transferred to comfortable angle after, make through actuating mechanism to compress tightly and gear engagement, fixed with the back, reach the purpose of the angle of adjusting the back, make and take more comfortablely, and adjust simply.
Description
Technical field
This utility model relates to seating art field, particularly relates to a kind of chair.
Background technology
At present, working people is all spend at a desk in the most of the time of office, office revolving chair comfortable and adjust performance deeply by the attention of clerical workforce, and it directly affects the healthy of user.Existing office revolving chair is typically only capable to adjust the height of swivel chair, there is no other regulatory functions, and no matter people are read, typewrite, read a book, receive a visitor or participate in meeting at work, its sitting posture is not quite similar, but office revolving chair backrest, seat board are all angles, and can not regulate, and are seated uncomfortable, also increase the weight of the burden of human spine, necessarily increase the chance of occurrence of neck lumbar disease in the course of time.
Utility model content
The purpose of this utility model is in that to provide a kind of chair, it is possible to regulates the angle of backrest, makes to take more comfortable, and regulates simple.
For realizing the purpose of this utility model, adopt the technical scheme that:
A kind of chair, the gear connect with mounting bracket axle including backrest, mounting bracket engages the compressing member of cooperation with gear, driving compressing member compresses or unclamp the driving mechanism of gear, and backrest and gear are fixed.
When needing the angle adjusting backrest, compressing member is made to unclamp gear by driving mechanism, under the effect of external force, backrest rotates along with gear, after being transferred to comfortable angle, makes compressing member engage with gear by driving mechanism, backrest is fixed, reach to regulate the purpose of the angle of backrest, make to take more comfortable, and regulate simple.
Below technical scheme is further illustrated:
It is further, driving mechanism includes the connecting rod that compression spring, knob, cam, two ends are connected respectively with knob and cam, compressing member includes the first compressor arm and the second compressor arm that are rotatably connected with mounting bracket, the two ends of compression spring are connected with the first compressor arm and the second compressor arm respectively, first compressor arm and the second compressor arm are equipped with, away from the one end compressing spring, the teeth engaged with gear, and cam offsets between the first compressor arm and the second compressor arm and with the first compressor arm and the second compressor arm.When needing the angle adjusting backrest, pass through rotary knob, knob drives cam rotation by connecting rod, and by cam, the first compressor arm and the second compressor arm are strutted, compression spring is stretched, the teeth making the first compressor arm and the second compressor arm separate with gear, under the effect of external force, backrest rotates along with gear, after being transferred to comfortable angle, again through reversely rotating knob, and under the effect of compression spring, the teeth of the first compressor arm and the second compressor arm engage with gear, are fixed by backrest, and flexible adjustment is simple.
Further, the first compressor arm and the second compressor arm are equipped with the connecting portion being rotatably connected with mounting bracket, and teeth are between connecting portion and compression spring, and cam is between teeth and compression spring.When the major axis position of cam offsets with the first compressor arm and the second compressor arm, the first compressor arm and the second compressor arm are softened；When the minor axis location of cam offsets with the first compressor arm and the second compressor arm, the first compressor arm and the second compressor arm are compacted.
It is further, chair also includes being fixed on the fixing plate of mounting bracket, the central shaft being located on fixing plate, the scroll spring that is socketed on central shaft, geared sleeve is connected on central shaft and between fixing plate and scroll spring, one end of scroll spring is connected with central shaft, and the other end is connected with gear.By driving mechanism, compressing member is unclamped gear, backrest is made to be in the state of free adjusting angle, owing to the two ends of scroll spring are connected with central shaft and gear, backrest can along with people the back of the body with backrest decline simultaneously or, people are conducive to sit abdominal crunch, the function making chair is more, provides the chance of exercise for the people of sitting, is conducive to that people's is healthy.
Further, chair also includes the backrest axle being fixed on gear, and backrest is provided with the fixing hole coordinated with backrest axle near the side of gear, and scroll spring is provided with, away from one end of central shaft, the hook coordinated with backrest axle.Backrest is fixed on gear by backrest axle, and scroll spring is connected with gear by the cooperation linked up with backrest axle, it is simple to installing/dismounting.
Further, chair also includes the gag lever post being fixed on gear, and gag lever post one end is connected with gear, and the other end stretches out and be positioned at the top of fixing plate to fixing plate side.When backrest rotates together with gear, gag lever post offsets along with gear, when gag lever post toward front and back or backward rotate to when offseting of fixing plate, backrest stops operating, the adjustment angle of backrest is limited, prevent backrest excessively forward or backward, make the contact area of backrest and people's back of the body significantly diminish, it is ensured that the comfort level that chair is taken.
Further, the angle between backrest and mounting bracket place plane is α, wherein, and 85 °≤α≤176 °.When the adjustment angle of backrest is between 85 °～176 °, people both can normal office work, it is also possible to partly couching or sleep, the function making chair is more, and the comfort level that chair is taken is higher.
Further, chair also includes the first expansion link, the medicated cushion ridden and be fixed in mounting bracket, and one end of the first expansion link is connected with the bottom surface of mounting bracket, and the other end is connected with foot-operated.When using foot-operated, by extending the first expansion link, make foot-operated mounting bracket of stretching out, and foot is placed on foot-operated on, make people more comfortable in bed；When need not ride, then by shrinking the first expansion link, make the lower section of foot-operated retraction mounting bracket, do not affect daily life and normal office work, design ingenious flexibly, the function making chair is more humane.
Further, the handle that chair also includes bracing frame, air spring, driving air spring move up and down, the two ends of air spring are connected with bracing frame and mounting bracket respectively.When taking chair, making air spring move up and down by handle, regulate the height of chair, the people adapting to differing heights uses, and the use of chair is more flexible.
Further, chair also includes the handrail being positioned at backrest both sides, and handrail at least includes hand rest and the second expansion link, and the two ends of the second expansion link are connected with hand rest and mounting bracket respectively.Regulated the height of hand rest by the second expansion link, improve the comfort level that chair is taken further.
Compared with prior art, this utility model has the advantages that
This utility model is when needing the angle adjusting backrest, compressing member is made to unclamp gear by driving mechanism, under the effect of external force, backrest rotates along with gear, after being transferred to comfortable angle, makes compressing member engage with gear by driving mechanism, backrest is fixed, reach to regulate the purpose of the angle of backrest, make to take more comfortable, and regulate simple.
Accompanying drawing explanation
Fig. 1 is the first working state schematic representation of this utility model embodiment chair；
Fig. 2 is the second working state schematic representation of this utility model embodiment chair；
Fig. 3 is the 3rd working state schematic representation of this utility model embodiment chair；
Fig. 4 is the structural representation of this utility model embodiment mounting bracket, driving mechanism and gear；
Fig. 5 is the explosive view of Fig. 4；
Fig. 6 is the first view of this utility model embodiment gear and driving mechanism；
Fig. 7 is the second view of this utility model embodiment gear and driving mechanism.
Description of reference numerals:
10. backrest, 20. mounting bracket, 30. gear, 40. compressing member, 410. the first compressor arm, 420. the second compressor arm, 430. teeth, 440. connecting portion, 50. driving mechanism, 510. compression spring, 520. knob, 530. cam, 540. connecting rod, 610. fixing plate, 620. central shaft, 621. external screw thread, 622. draw-in groove, 630. scroll spring, 631. hook, 640. backrest axle, 641. cross bar, 650. securing member, 660. gag lever post, 710. the first expansion link, 720. foot is stepped on, 730. medicated cushion, 810. bracing frame, 820. air spring, 830. hands handle, 840. universal wheel, 90. handrail, 910. hand rest, 920. the second expansion link.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Fig. 1, Fig. 4 to Fig. 7, a kind of chair, the gear 30 connect with mounting bracket 20 axle including backrest 10, mounting bracket 20 engages the compressing member 40 of cooperation with gear 30, driving compressing member 40 compresses or unclamp the driving mechanism 50 of gear 30, and backrest 10 is fixed with gear 30.
When needing the angle adjusting backrest 10, as shown in Figure 6, compressing member 40 is made to unclamp gear 30 by driving mechanism 50, under the effect of external force, backrest 10 rotates along with gear 30, after being transferred to comfortable angle, as it is shown in fig. 7, make compressing member 40 engage with gear 30 by driving mechanism 50, backrest 10 is fixed, reach to regulate the purpose of the angle of backrest 10, make to take more comfortable, and regulate simple.
In the present embodiment, as shown in Figures 4 to 7, driving mechanism 50 includes compression spring 510, knob 520, cam 530, the connecting rod 540 that two ends are connected with knob 520 and cam 530 respectively, compressing member 40 includes the first compressor arm 410 and the second compressor arm 420 being rotatably connected with mounting bracket 20, the two ends of compression spring 510 are connected with the first compressor arm 410 and the second compressor arm 420 respectively, first compressor arm 410 and the second compressor arm 420 are equipped with, away from the one end compressing spring 510, the teeth 430 engaged with gear 30, cam 530 is between the first compressor arm 410 and the second compressor arm 420, and offset with the first compressor arm 410 and the second compressor arm 420.When needing the angle adjusting backrest 10, by rotary knob 520, knob 520 is rotated by connecting rod 540 band moving cam 530, and by cam 530, first compressor arm 410 and the second compressor arm 420 are strutted, compression spring 510 is stretched, the teeth 430 making the first compressor arm 410 and the second compressor arm 420 separate with gear 30, under the effect of external force, backrest 10 rotates along with gear 30, after being transferred to comfortable angle, again through reversely rotating knob 520, and under the effect of compression spring 510, the teeth 430 of the first compressor arm 410 and the second compressor arm 420 engage with gear 30, backrest 10 is fixed, flexible adjustment is simple.
As shown in Figure 6 and Figure 7, chair also includes the fixing plate 610 being fixed on mounting bracket 20, first compressor arm 410 and the second compressor arm 420 are equipped with the connecting portion 440 being rotatably connected with fixing plate 610, teeth 430 are between connecting portion 440 and compression spring 510, and cam 530 is between teeth 430 and compression spring 510.When the major axis position of cam 530 offsets with the first compressor arm 410 and the second compressor arm 420, the first compressor arm 410 and the second compressor arm 420 are softened；When the minor axis location of cam 530 offsets with the first compressor arm 410 and the second compressor arm 420, the first compressor arm 410 and the second compressor arm 420 are compacted.Connecting portion 440 can also be arranged on according to actual needs teeth 430 and compression spring 510 between etc. other positions.
As shown in Figure 4 and Figure 5, chair also includes the central shaft 620 being located on fixing plate 610, the scroll spring 630 being socketed on central shaft 620, gear 30 is socketed on central shaft 620 and between fixing plate 610 and scroll spring 630, one end of scroll spring 630 is connected with central shaft 620, and the other end is connected with gear 30.By driving mechanism 50, first compressor arm 410 and the second compressor arm 420 are unclamped gear 30, backrest 10 is made to be in the state of free adjusting angle, owing to the two ends of scroll spring 630 are connected with central shaft 620 and gear 30, backrest 10 can along with people the back of the body with backrest 10 decline simultaneously or, people are conducive to sit abdominal crunch, the function making chair is more, provides the chance of exercise for the people of sitting, is conducive to that people's is healthy.
As shown in Figure 4 and Figure 5, chair also includes the backrest axle 640 being fixed on gear 30, and backrest 10 is provided with the fixing hole (accompanying drawing does not identify) coordinated with backrest axle 640 near the side of gear 30, and backrest 10 is fixed on gear 30 by backrest axle 640.And central shaft 620 is arranged with draw-in groove 622 near one end of scroll spring 630, backrest axle 640 is located at cross bar 641, and one end of scroll spring 630 is arranged in draw-in groove 622, and the other end is provided with the hook 631 coordinated with cross bar 641.Backrest 10 is fixed on gear 30 by backrest axle 640, and scroll spring 630 is connected with gear 30 by the cooperation linked up with backrest axle 640, it is simple to installing/dismounting.
As shown in Figure 4 and Figure 5, chair also includes securing member 650, the periphery of central shaft 620 is provided with external screw thread 621, and securing member 650 is provided with the female thread (accompanying drawing does not identify) coordinated with external screw thread 621, and securing member 650 is positioned at the side of scroll spring 630 gear 30 dorsad.Being locked on central shaft 620 by securing member 650 by scroll spring 630, it is prevented that in use scroll spring 630 departs from from central shaft 620, the work making chair is more stable.
In the present embodiment, as shown in Figure 4 and Figure 5, chair includes 620, two gears of 610, two central shafts of symmetrically arranged two fixing plates, 630, two securing members 650 of 30, two scroll springs and two backrest axles 640, chair is connected by two backrest axles 640 and two gears 30, the rotation making chair is more stable, and stress more balances.
As shown in Fig. 4, Fig. 6 and Fig. 7, chair also includes the gag lever post 660 being fixed on gear 30, and gag lever post 660 one end is connected with gear 30, and the other end stretches out and be positioned at the top of fixing plate 610 to fixing plate 610 side.When backrest 10 rotates together with gear 30, gag lever post 660 offsets along with gear 30, when gag lever post 660 toward front and back or backward rotate to when offseting of fixing plate 610, backrest 10 stops operating, the adjustment angle of backrest 10 is limited, prevent backrest 10 excessively forward or backward, make the contact area of backrest 10 and people's back of the body significantly diminish, it is ensured that the comfort level that chair is taken.
In the present embodiment, the angle between backrest 10 and mounting bracket 20 place plane is α, wherein, and 86 °≤α≤176 °.When the angle of inclination of backrest 10 is 86 °, can normal office work on chair as it is shown in figure 1, people are seated；When the angle of inclination of backrest 10 is 120 °, have a rest on chair as in figure 2 it is shown, people can partly couch；When the angle of inclination of backrest 10 is 176 °, as it is shown on figure 3, people can lie in chair sleep, the function making chair is more, and the comfort level that chair is taken is higher.Chair is adjusted to normal office work and partly couch state time, knob 520 need to be screwed to "open" state, people's back of the body with after backrest 10 drops to suitable position simultaneously, then knob 520 is screwed to " lock " position, place, guard against backrest 10 and injure human body；And chair is adjusted to sleep or during abdominal crunch state, knob 520 need to be screwed to "open" state, backrest 10 can decline with backrest 10 along with people's back of the body simultaneously or, guard against backrest 10 and injure human body.Angle between backrest 10 and mounting bracket 20 place plane can also be set to other angles according to actual needs.
As it is shown on figure 3, chair also includes the first expansion link 710, rides 720 and the medicated cushion 730 being fixed in mounting bracket 20, one end of the first expansion link 710 is connected with the bottom surface of mounting bracket 20, and the other end is connected with foot-operated 720.When using foot-operated 720, by extending the first expansion link 710, make foot-operated 720 to stretch out mounting bracket 20, and foot is placed on foot-operated 720, make people more comfortable in bed；When need not ride 720, then by shrinking the first expansion link 710, make the lower section of foot-operated 720 retraction mounting brackets 20, do not affect daily life and normal office work, design ingenious flexibly, the function making chair is more humane.
As it is shown in figure 1, chair also includes bracing frame 810, air spring 820, drives the handle 830 that moves up and down of air spring 820, the two ends of air spring 820 are connected with bracing frame 810 and mounting bracket 20 respectively.When taking chair, making air spring 820 move up and down by handle 830, regulate the height of chair, the people adapting to differing heights uses, and the use of chair is more flexible.
In the present embodiment, bracing frame 810 is star base, and star base has multiple universal wheel 840, it is simple to chair slides；And mounting bracket 20 connects with air spring 820 axle, it is simple to the rotation of chair.
As it is shown in figure 1, chair also includes the handrail 90 being positioned at backrest 10 both sides, handrail 90 at least includes hand rest 910 and the second expansion link 920, and the two ends of the second expansion link 920 are connected with hand rest 910 and mounting bracket 20 respectively.Regulated the height of hand rest 910 by the second expansion link 920, improve the comfort level that chair is taken further.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a chair, it is characterized in that, the gear connect with described mounting bracket axle including backrest, mounting bracket engage with described gear coordinate compressing member, drive described compressing member to compress or unclamp the driving mechanism of described gear, described backrest and described gear are fixed.
2. chair according to claim 1, it is characterized in that, described driving mechanism includes compression spring, knob, cam, the connecting rod that two ends are connected with described knob and described cam respectively, described compressing member includes the first compressor arm and the second compressor arm that are rotatably connected with described mounting bracket, the two ends of described compression spring are connected with described first compressor arm and described second compressor arm respectively, described first compressor arm and described second compressor arm are equipped with, away from one end of described compression spring, the teeth engaged with described gear, described cam is between described first compressor arm and described second compressor arm, and offset with described first compressor arm and described second compressor arm.
3. chair according to claim 2, it is characterized in that, described first compressor arm and described second compressor arm are equipped with the connecting portion being rotatably connected with described mounting bracket, described teeth are between described connecting portion and described compression spring, and described cam is between described teeth and described compression spring.
4. chair according to claim 1, it is characterized in that, also include being fixed on the fixing plate of described mounting bracket, the central shaft being located on described fixing plate, the scroll spring that is socketed on described central shaft, described geared sleeve is connected on described central shaft and between described fixing plate and described scroll spring, one end of described scroll spring is connected with described central shaft, and the other end is connected with described gear.
5. chair according to claim 4, it is characterized in that, also include the backrest axle being fixed on described gear, described backrest is provided with the fixing hole coordinated with described backrest axle near the side of described gear, and described scroll spring is provided with, away from one end of described central shaft, the hook coordinated with described backrest axle.
6. chair according to claim 4, it is characterised in that also including the gag lever post being fixed on described gear, described gag lever post one end is connected with described gear, the other end stretches out and is positioned at the top of described fixing plate to described fixing plate side.
7. chair according to claim 6, it is characterised in that the angle between described backrest and described mounting bracket place plane is α, wherein, 85 °≤α≤176 °.
8. the chair according to any one of claim 1 to 7, it is characterized in that, also including the first expansion link, the foot-operated and medicated cushion that is fixed in described mounting bracket, one end of described first expansion link is connected with the bottom surface of described mounting bracket, and the other end foot-operated is connected with described.
9. the chair according to any one of claim 1 to 7, it is characterised in that also include bracing frame, handle that air spring, the described air spring of driving move up and down, the two ends of described air spring are connected with support frame as described above and described mounting bracket respectively.
10. the chair according to any one of claim 1 to 7, it is characterized in that, also including the handrail being positioned at described backrest both sides, described handrail at least includes hand rest and the second expansion link, and the two ends of described second expansion link are connected with described hand rest and described mounting bracket respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030046.4U CN205338280U (en) | 2015-12-10 | 2015-12-10 | Chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030046.4U CN205338280U (en) | 2015-12-10 | 2015-12-10 | Chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205338280U true CN205338280U (en) | 2016-06-29 |
Family
ID=56152192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521030046.4U Expired - Fee Related CN205338280U (en) | 2015-12-10 | 2015-12-10 | Chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205338280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279533A (en) * | 2019-07-24 | 2019-09-27 | 广东顺德毅途运动科技有限公司 | A kind of headstock of tilt adjustable, wheelchair and its adjusting method |
| CN113287888A (en) * | 2021-05-13 | 2021-08-24 | 杭州电子科技大学 | Seat back linkage adjustment type comfortable seat |
-
2015
- 2015-12-10 CN CN201521030046.4U patent/CN205338280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279533A (en) * | 2019-07-24 | 2019-09-27 | 广东顺德毅途运动科技有限公司 | A kind of headstock of tilt adjustable, wheelchair and its adjusting method |
| CN113287888A (en) * | 2021-05-13 | 2021-08-24 | 杭州电子科技大学 | Seat back linkage adjustment type comfortable seat |
| CN113287888B (en) * | 2021-05-13 | 2024-02-13 | 杭州电子科技大学 | Seat back linkage adjustment type comfortable seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20171210 |