CN203952979U - Based on the detachable chair that can automatically control position of centre of gravity - Google Patents
Based on the detachable chair that can automatically control position of centre of gravity Download PDFInfo
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- CN203952979U CN203952979U CN201420417926.6U CN201420417926U CN203952979U CN 203952979 U CN203952979 U CN 203952979U CN 201420417926 U CN201420417926 U CN 201420417926U CN 203952979 U CN203952979 U CN 203952979U
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- Prior art keywords
- tandem
- supporting seat
- cavity
- driving bogie
- backboard
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Abstract
The utility model discloses a kind of detachable chair based on can automatically controlling position of centre of gravity, supporting seat is provided with bar-shaped trough, bar-shaped trough is communicated with supporting seat, supporting seat is provided with backboard, backboard is arranged in cavity through after bar-shaped trough, backboard is provided with turnbuckle, turnbuckle is through supporting seat, fit nut on turnbuckle, in cavity, be provided with pneumatic cylinder, in pneumatic cylinder, be provided with piston rod, pneumatic cylinder is provided with pneumatic tube, pneumatic tube is provided with telescopic head, telescopic head is arranged in pneumatic tube, in cavity, be provided with tandem-driving bogie, in tandem-driving bogie, be provided with gravitation ball, crashproof spring is installed on tandem-driving bogie, bearing pin is installed on tandem-driving bogie, bearing pin is through tandem-driving bogie, support and cavity are fixed, tandem-driving bogie is provided with gripper shoe, bearing pin is arranged between gripper shoe, gripper shoe is fixed with return spring, telescopic head and gripper shoe are fixed.This chair not only can be dismantled, and center of gravity adjusts in the time that people sits down, and prevents the phenomenon that layback causes chair to tumble suddenly.
Description
Technical field
The utility model relates to a kind of chair, especially relates to a kind of detachable chair based on can automatically controlling position of centre of gravity.
Background technology
Chair is a kind of also armed thing to sit on that has backrest, has.Sit on the ground ancient times, and former do not have a chair, and " chair " is originally wood name." Book of Songs " has " its chair of its paulownia ", and " chair " be i.e. " Chinese catalpa ", is the title of a kind of trees.Chair can be divided into a variety of, indispensable furniture in modern people's life, present chair has plenty of the solid wood of employing to be made, having plenty of the metal material of employing makes, but be all a kind of fixing structure, be convenient to keep the structural intergrity of chair, but the chair of fixed structure is very inconvenient in the time of long distance transportation, because the reason of structure is inconvenient to stack, once and some positions damage of chair has just caused chair to scrap completely, waste resource, and people are sitting on this traditional chair, just cannot ensure toward the center of gravity of some chairs of rear-inclined above the waist, easily cause tipping backwards, make people injured accidentally.
Utility model content
The purpose of this utility model is to overcome above-mentioned existing chair and easily occurs tumbling, and the non-detachable problem of chair, design a kind of detachable chair based on can automatically controlling position of centre of gravity, this chair not only can be dismantled, and center of gravity is adjusted in the time that people sits down, prevent the phenomenon that layback causes chair to tumble suddenly, solved existing chair and easily occurred tumbling, and the non-detachable problem of chair.
The purpose of this utility model is achieved through the following technical solutions: based on the detachable chair that can automatically control position of centre of gravity, comprise that inside is provided with the supporting seat of cavity, on the top end face of described supporting seat, be provided with bar-shaped trough, bar-shaped trough is communicated with the cavity of supporting seat, the top of supporting seat is provided with backboard, the bottom of backboard is arranged in cavity through after bar-shaped trough, the part that backboard is arranged in cavity is provided with turnbuckle, turnbuckle one end is through the sidewall of supporting seat, fit nut on turnbuckle, the end face of nut contacts with backboard, in described cavity, be provided with pneumatic cylinder, pneumatic cylinder is fixed on the end face of cavity, in pneumatic cylinder, be provided with piston rod, piston rod is arranged on the top of supporting seat through the end face of supporting seat, the bottom of pneumatic cylinder is provided with pneumatic tube, pneumatic tube one end and pneumatic cylinder internal communication, the other end is provided with telescopic head, telescopic head one end is arranged in pneumatic tube, and telescopic head can move in pneumatic tube, in cavity, be provided with tandem-driving bogie, in tandem-driving bogie, be provided with gravitation ball, gravitation ball can roll in tandem-driving bogie, crashproof spring is installed in the internal side wall of tandem-driving bogie, bearing pin is installed on tandem-driving bogie, bearing pin is through tandem-driving bogie, and the outer wall of bearing pin is sheathed with support, support is arranged on the below of tandem-driving bogie, the bottom of support and the bottom face of cavity are fixed, tandem-driving bogie can rotate around bearing pin, on the outer wall of tandem-driving bogie, be provided with two gripper shoes, bearing pin is arranged between gripper shoe, the bottom of the gripper shoe of close backboard is fixed with return spring, the two ends of return spring are fixed with the bottom of this gripper shoe and cavity respectively, telescopic head is fixed away from one end of pneumatic cylinder and the top end face of another piece gripper shoe.
On the top end face of described supporting seat, be provided with several through holes, through hole is communicated with cavity, and piston rod is through through hole, and the top of piston rod is arranged on through hole top.
The concave side wall of described supporting seat forms groove, and groove is communicated with cavity inside, and groove one end is communicated with the side wall surface of supporting seat, and groove is near the two ends of supporting seat.
In sum, the beneficial effects of the utility model are: this chair not only can be dismantled, and center of gravity adjusts in the time that people sits down, and prevent the phenomenon that layback causes chair to tumble suddenly, solve existing chair and easily occurred tumbling, and the non-detachable problem of chair.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1-supporting seat; 2-piston rod; 3-through hole; 4-bar-shaped trough; 5-backboard; 6-pneumatic cylinder; 7-turnbuckle; 8-nut; 9-top board; 10-crashproof spring; 11-tandem-driving bogie; 12-gripper shoe one; 13-return spring; 14-bearing pin; 15-support; 16-gripper shoe two; 17-base plate; 18-groove; 19-telescopic head; 20-gravitation ball; 21-pneumatic tube; 22-side plate.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, based on the detachable chair that can automatically control position of centre of gravity, comprise that inside is provided with the supporting seat 1 of cavity, on the top end face of described supporting seat 1, be provided with bar-shaped trough 4, bar-shaped trough 4 is communicated with the cavity of supporting seat 1, the top of supporting seat 1 is provided with backboard 5, the bottom of backboard 5 is arranged in cavity through after bar-shaped trough 4, the part that backboard 5 is arranged in cavity is provided with turnbuckle 7, turnbuckle 7 one end are through the sidewall of supporting seat 1, fit nut 8 on turnbuckle 7, the end face of nut 8 contacts with backboard 5, in described cavity, be provided with pneumatic cylinder 6, pneumatic cylinder 6 is fixed on the end face of cavity, in pneumatic cylinder 6, be provided with piston rod 2, piston rod 2 is arranged on the top of supporting seat 1 through the end face of supporting seat 1, the bottom of pneumatic cylinder 6 is provided with pneumatic tube 21, pneumatic tube 21 one end and pneumatic cylinder 6 internal communication, the other end is provided with telescopic head 19, telescopic head 19 one end are arranged in pneumatic tube 21, and telescopic head 19 can move in pneumatic tube 21, in cavity, be provided with tandem-driving bogie 11, in tandem-driving bogie 11, be provided with gravitation ball 20, gravitation ball 20 can roll in tandem-driving bogie 11, crashproof spring 10 is installed in the internal side wall of tandem-driving bogie 11, bearing pin 14 is installed on tandem-driving bogie 11, bearing pin 14 is through tandem-driving bogie 11, and the outer wall of bearing pin 14 is sheathed with support 15, support 15 is arranged on the below of tandem-driving bogie 11, the bottom of support 15 and the bottom face of cavity are fixed, tandem-driving bogie 11 can rotate around bearing pin 14, on the outer wall of tandem-driving bogie 11, be provided with two gripper shoes, bearing pin 14 is arranged between gripper shoe, the bottom of the gripper shoe of close backboard 5 is fixed with return spring 13, the two ends of return spring 13 are fixed with the bottom of this gripper shoe and cavity respectively, telescopic head 19 is fixed away from one end of pneumatic cylinder 6 and the top end face of another piece gripper shoe.For convenience of describing, the end face name of cavity is called to top board 9, side called after side plate 22, bottom surface called after base plate 17, two gripper shoes are named respectively gripper shoe 1 and gripper shoe 2 16, return spring 13 is fixing with gripper shoe 1, telescopic head 19 is fixing with gripper shoe 2 16, through hole 3 is arranged in top board 9, support 15 is arranged on base plate 17, in pneumatic cylinder 6, be full of air, while not sitting people on chair, tandem-driving bogie 11 keeps balance under the effect of return spring 13, gravitation ball 20 is in the center of tandem-driving bogie 11, in the time that people is sitting on chair, piston rod 2 is under pressure and moves towards pneumatic cylinder 6, pneumatic cylinder 6 is done work, gas in pneumatic cylinder 6 is squeezed, promoting telescopic head 19 by pneumatic tube 21 stretches out, make gripper shoe 2 16 be subject to downward pressure, drive tandem-driving bogie 11 to rotate around bearing pin 14, tandem-driving bogie 11 sinks towards the direction away from backboard 5, gravitation ball 20 also rolls towards this direction, make the gravity of chair also occur leaning forward, people to when layback chair center of gravity owing to being forward, just be not easy to tumble, protection user's safety, in the time that people stand up, return spring 13 returns, pull gripper shoe 1 to get back to initial position, tandem-driving bogie 11 rebalancings, gravitation ball 20 recenters, telescopic head 19 bounces back, piston rod 2 is got back to original position, crashproof spring 10 is protected tandem-driving bogie 11, prevent that gravitation ball 20 from causing larger impulsive force to tandem-driving bogie 11, backboard 5 and supporting seat 1 are demountable, the bottom of backboard 1 is inserted in bar-shaped trough 4, then adjust the angle of inclination of backboard 5 and supporting seat 1 by turnbuckle 7 and nut 8, being convenient to people cosily leans against.In the time of transport, also can dismantle packing, quick and safe more, when supporting seat 1 or backboard 5 damage, only need to change supporting seat 1 or backboard, improved utilization rate, reduced the waste of resource, solve existing chair and easily occurred tumbling, and the non-detachable problem of chair.
On the top end face of described supporting seat 1, be provided with several through holes 3, through hole 3 is communicated with cavity, and piston rod 2 is through through hole 3, and the top of piston rod 2 is arranged on through hole 3 tops.Piston rod 2 need to have the movement locus of restriction, it can there will not be stuck phenomenon in the time of the pressure of being sat down simultaneously, so be provided with through hole 3, the quantity of through hole 3 is multiple, in each through hole 3, be provided with a piston rod, then piston rod 2 bottoms are fixed on same piston, reduce the pressure that independent piston rod is subject to, piston rod can not be out of shape, longer service life.
The concave side wall of described supporting seat 1 forms groove 18, and groove 18 is communicated with cavity inside, and groove 18 one end are communicated with the side wall surface of supporting seat 1, and groove 18 is near the two ends of supporting seat 1.The sidewall called after side plate 22 of supporting seat 1, side plate 22 adopts globoidal structure, makes the space of cavity larger, and parts are placed convenient in cavity, form block form supporting seat 1 by the groove on multiple supporting seats 1 18 is aimed to snap in, can be combined as rectangular sofa configuration.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection domain of the present utility model.
Claims (3)
1. the detachable chair based on can automatically controlling position of centre of gravity, it is characterized in that: comprise that inside is provided with the supporting seat of cavity (1), on the top end face of described supporting seat (1), be provided with bar-shaped trough (4), bar-shaped trough (4) is communicated with the cavity of supporting seat (1), the top of supporting seat (1) is provided with backboard (5), the bottom of backboard (5) is arranged in cavity through after bar-shaped trough (4), the part that backboard (5) is arranged in cavity is provided with turnbuckle (7), turnbuckle (7) one end is through the sidewall of supporting seat (1), on turnbuckle (7), be sheathed with nut (8), the end face of nut (8) contacts with backboard (5), in described cavity, be provided with pneumatic cylinder (6), pneumatic cylinder (6) is fixed on the end face of cavity, in pneumatic cylinder (6), be provided with piston rod (2), piston rod (2) is arranged on the top of supporting seat (1) through the end face of supporting seat (1), the bottom of pneumatic cylinder (6) is provided with pneumatic tube (21), pneumatic tube (21) one end and pneumatic cylinder (6) internal communication, the other end is provided with telescopic head (19), telescopic head (19) one end is arranged in pneumatic tube (21), and telescopic head (19) can move in pneumatic tube (21), in cavity, be provided with tandem-driving bogie (11), in tandem-driving bogie (11), be provided with gravitation ball (20), gravitation ball (20) can roll in tandem-driving bogie (11), crashproof spring (10) is installed in the internal side wall of tandem-driving bogie (11), bearing pin (14) is installed on tandem-driving bogie (11), bearing pin (14) is through tandem-driving bogie (11), and the outer wall of bearing pin (14) is sheathed with support (15), support (15) is arranged on the below of tandem-driving bogie (11), the bottom of support (15) and the bottom face of cavity are fixed, tandem-driving bogie (11) can rotate around bearing pin (14), on the outer wall of tandem-driving bogie (11), be provided with two gripper shoes, bearing pin (14) is arranged between gripper shoe, the bottom of the gripper shoe of close backboard (5) is fixed with return spring (13), the two ends of return spring (13) are fixed with the bottom of this gripper shoe and cavity respectively, telescopic head (19) is fixed away from one end of pneumatic cylinder (6) and the top end face of another piece gripper shoe.
2. the detachable chair based on can automatically controlling position of centre of gravity according to claim 1, it is characterized in that: on the top end face of described supporting seat (1), be provided with several through holes (3), through hole (3) is communicated with cavity, and piston rod (2) is through through hole (3), and the top of piston rod (2) is arranged on through hole (3) top.
3. the detachable chair based on can automatically controlling position of centre of gravity according to claim 1, it is characterized in that: the concave side wall of described supporting seat (1) forms groove (18), and groove (18) is communicated with cavity inside, groove (18) one end is communicated with the side wall surface of supporting seat (1), and groove (18) is near the two ends of supporting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417926.6U CN203952979U (en) | 2014-07-28 | 2014-07-28 | Based on the detachable chair that can automatically control position of centre of gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417926.6U CN203952979U (en) | 2014-07-28 | 2014-07-28 | Based on the detachable chair that can automatically control position of centre of gravity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203952979U true CN203952979U (en) | 2014-11-26 |
Family
ID=51913627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417926.6U Expired - Fee Related CN203952979U (en) | 2014-07-28 | 2014-07-28 | Based on the detachable chair that can automatically control position of centre of gravity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203952979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518659A (en) * | 2017-08-24 | 2017-12-29 | 绵阳飞远科技有限公司 | Chair of glass fibre reinforced plastic with folder function |
-
2014
- 2014-07-28 CN CN201420417926.6U patent/CN203952979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518659A (en) * | 2017-08-24 | 2017-12-29 | 绵阳飞远科技有限公司 | Chair of glass fibre reinforced plastic with folder function |
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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 |
Granted publication date: 20141126 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |