CN204950131U - Multi -functional chair frame of improvement - Google Patents
Multi -functional chair frame of improvement Download PDFInfo
- Publication number
- CN204950131U CN204950131U CN201520529684.4U CN201520529684U CN204950131U CN 204950131 U CN204950131 U CN 204950131U CN 201520529684 U CN201520529684 U CN 201520529684U CN 204950131 U CN204950131 U CN 204950131U
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- China
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- connecting rod
- pivot bracket
- drive rod
- rod
- hinged
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Abstract
The utility model relates to a multi -functional chair skeleton technical field especially relates to a multi -functional chair frame of improvement. It includes base, first sharp drive assembly, foot rest, first pivot frame, hinge telescopic machanism, first actuating lever and second actuating lever, first sharp drive assembly's one end is installed in the base, and the other end articulates in the middle part of first pivot frame, one end swing joint in the base of first pivot frame, the one end of first actuating lever is fixed in first pivot frame, and the middle part articulates in the base, and the other end articulates in the one end of second actuating lever, the other end of second actuating lever articulates in hinge telescopic machanism's one end, hinge telescopic machanism's one end still articulates in the base, and the other end is connected in the foot rest. The mechanism that adjusts the foot rest is simple, and first actuating lever and second actuating lever direct action are at hinge telescopic machanism, and power transmission efficiency is high, compact structure, the equipment of being convenient for, greatly reduced material cost and assembly costs.
Description
Technical field
The utility model relates to multifunctional chair skeleton technical field, particularly relates to a kind of Multifunctional chair rack of improvement.
Background technology
Multifunctional chair is useful in multiple field.Along with expanding economy, the furniture kind that people are used in daily life is also day by day various, and the requirement of people to furniture using function is also more and more higher.For example, multifunction seat, because of the how auspicious change of its function, easy to use and healthiness, is more and more subject to the favor of people.Multifunction seat not only can reach the using function of traditional Chinese chair, and multifunction seat can carry out flexible modulation according to the user demand of user, to better meet the different user demands of user.
Existing multifunction seat mostly connects with inside and supporting mechanism is used as skeleton, and by regulating this connection and supporting mechanism to make it be in different states to realize adjustment to multifunction seat.The more reliability requirements to connection and supporting mechanism of function are higher, and existing multifunction seat is in order to realize more function and meet reliability requirement, the internal mechanism complex structure used, and packaging technology is complicated, cost intensive; Particularly regulate the mechanism of foot rest, multifunctional chair can realize lying the function of gentle aiding upright mostly, therefore needs to stretch foot rest and shrink, existing multifunctional chair regulates the mechanism of foot rest complicated, adjustment operation is very complicated very, uses inconvenience, greatly reduces Consumer's Experience.
Therefore, be necessary to provide a kind of Multifunctional chair rack of improvement to overcome above-mentioned Problems existing.
Utility model content
The purpose of this utility model is the Multifunctional chair rack providing a kind of improvement for the deficiencies in the prior art, and smart structural design is simple, and transmission efficiency is high, and reliability is high, and be easy to assembling, cost is low.
For achieving the above object, comprise base, the first linear drives assembly and foot rest, also comprise the first pivot bracket, hinge telescoping mechanism, the first drive rod and the second drive rod; Described first linear drives assembly is installed on described base, and described first linear drives member hinges is in the middle part of described first pivot bracket; One end of described first pivot bracket is movably connected on described base; Described first pivot bracket is fixed in one end of described first drive rod, and the middle part of described first drive rod is articulated with described base, and the other end of described first drive rod is articulated with one end of described second drive rod; The other end of described second drive rod is articulated with one end of described hinge telescoping mechanism; One end of described hinge telescoping mechanism is also articulated with described base; The other end of described hinge telescoping mechanism is connected to described foot rest.
Preferably, described first drive rod has square shaft connecting portion, and described square shaft connecting portion is spirally connected with described first pivot bracket or welds.
Preferably, described hinge telescoping mechanism comprises head rod, the second connecting rod, the 3rd connecting rod and the 4th connecting rod; The middle part of described second drive rod and described head rod is hinged; The two ends of described head rod are hinged with base described in described 3rd connecting rod respectively; The two ends of described second connecting rod are hinged with described 4th connecting rod, described base respectively; Described 3rd connecting rod, described 4th connecting rod are articulated with the different parts of described foot rest respectively; Distance between two hinge holes of described 3rd connecting rod is greater than the distance between two hinge holes of described 4th connecting rod.
Preferably, the width of described 3rd connecting rod is less than the width of described 4th connecting rod.
Preferably, described base comprises support four-bar mechanism and bracing frame; Described support four-bar mechanism comprises connecting rod; Support frame as described above is fixed on described connecting rod; Described first drive rod and support frame as described above hinged; Described first pivot bracket by described first drive rod and support frame as described above hinged.
Preferably, described Multifunctional chair rack also comprises the second linear drives assembly, the second pivot bracket, the 3rd pivot bracket, the 3rd drive rod and leans on frame; Described second linear drives assembly comprises body and expansion link; Described body and described second pivot bracket hinged, described second pivot bracket is fixedly connected with described connecting rod; Described expansion link and described 3rd pivot bracket hinged, described 3rd pivot bracket by described 3rd drive rod with described lean on frame hinged; Described by frame and support frame as described above hinged.
Preferably, described connecting rod comprises the first connecting plate and the second connecting plate, and described first connecting plate and described second connecting plate are provided with draw-in groove; The two ends of described second pivot bracket are individually fixed in described draw-in groove; Described second connecting plate has support portion, and support frame as described above is bolted in described support portion.
Preferably, the cross sectional shape of described second pivot bracket is quadrangle, pentagon or hexagon.
Preferably, described first linear drives assembly is electric pushrod.
The beneficial effects of the utility model: the expansion that the first linear drives assembly is foot rest and contraction provide power, the first linear drives assembly passes through the first pivot bracket, the first drive rod, the second drive rod and hinge telescoping mechanism by power transmission to foot rest; Foot rest is connected with base by hinge telescoping mechanism, and hinge telescoping mechanism can stretch and shrink foot rest under the effect of power; Regulate the mechanism of foot rest simple, the first drive rod and the second drive rod act directly on hinge telescoping mechanism, and power transmission efficiency is high, compact conformation, are convenient to assembling, greatly reduce cost of material and assembly cost.
Accompanying drawing explanation
Fig. 1 is sectional perspective structural representation of the present utility model.
Fig. 2 is top perspective structural representation of the present utility model.
Fig. 3 is another sectional perspective structural representation of the present utility model.
Fig. 4 is another sectional perspective structural representation of the present utility model.
Fig. 5 is the first drive rod perspective view of the present utility model.
Reference numeral comprises:
1-base 2-the first linear drives assembly, 3-foot rest
4-the first pivot bracket 5-hinge telescoping mechanism 6-the first drive rod
7-the second drive rod
601-square shaft connecting portion
501-head rod 502-the second connecting rod 503-the three connecting rod
504-the four connecting rod
Distance between two hinge holes of L1-the 3rd connecting rod
Distance between two hinge holes of L2-the 4th connecting rod
The width of W1-the 3rd connecting rod
The width of W2-the 4th connecting rod
8-support four-bar mechanism 9-bracing frame
81-connecting rod
10-the second linear drives assembly 11-the second pivot bracket 12-the three pivot bracket
13-the three drive rod 14-by frame
101-body, 102-expansion link
811-the first connecting plate 812-the second connecting plate
813-draw-in groove
814-support portion.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figures 1 to 5, the Multifunctional chair rack of a kind of improvement of the present utility model, comprise base 1, first linear drives assembly 2 and foot rest 3, also comprise the first pivot bracket 4, hinge telescoping mechanism 5, first drive rod 6 and the second drive rod 7, described first linear drives assembly 2 is installed on described base 1, one end of described first pivot bracket 4 is flexibly connected described base 1, described first linear drives assembly 2 is articulated with the middle part of described first pivot bracket 4, one end that described first pivot bracket 4 is fixed is movably connected on described base 1, described first pivot bracket 4 is fixed in one end of described first drive rod 6, the middle part of described first drive rod 6 is articulated with described base 1, the other end of described first drive rod 6 is articulated with one end of described second drive rod 7, the other end of described second drive rod 7 is articulated with one end of described hinge telescoping mechanism 5, one end of described hinge telescoping mechanism 5 is also articulated with described base 1, the other end of described hinge telescoping mechanism 5 is connected to described foot rest 3.
The expansion that described first linear drives assembly 2 is described foot rest 3 and contraction provide power, concrete, described first linear drives assembly 2 can be electric pushrod, hydraulic pressure cylinder assembly, cylinder assembly, motor lead screw transmission component etc., and the expansion link 102 of described first linear drives assembly 2 is hinged with described first pivot bracket 4; Described foot rest 3 is connected with described base 1 by described hinge telescoping mechanism 5, and described hinge telescoping mechanism 5 can stretch and shrink described foot rest 3 under the effect of power; Regulate described foot rest 3 by described hinge telescoping mechanism 5, mechanism is simple; Described first drive rod 6 acts directly on described hinge telescoping mechanism 5 with described second drive rod 7, and power transmission efficiency is high, compact conformation, is convenient to assembling, greatly reduces cost of material and assembly cost.
In the present embodiment, described first drive rod 6 is provided with square shaft connecting portion 601, and described square shaft connecting portion 601 is spirally connected with described first pivot bracket 4 or welds.Described first drive rod 6 bears very large moment of torsion with described first pivot bracket 4 junction, described first drive rod 6 is fixedly connected with described first pivot bracket 4 by described square shaft connecting portion 601, can improve connective stability, and assembling is simple, production cost is low, is spirally connected or is welded to connect stable performance.In the present embodiment, described hinge telescoping mechanism 5 comprises head rod 501, second connecting rod 502, 3rd connecting rod 503 and the 4th connecting rod 504, described second drive rod 7 is hinged with the middle part of described head rod 501, the two ends of described head rod 501 respectively with described 3rd connecting rod 503 and described base 1 hinged, the two ends of described second connecting rod 502 respectively with described 4th connecting rod 504 and described base 1 hinged, described 3rd connecting rod 503 and described 4th connecting rod 504 are hinged on different parts with described foot rest 3 respectively, distance L1 between two hinge holes of described 3rd connecting rod 503 is greater than the distance L2 between two hinge holes of described 4th connecting rod 504.Concrete, the utility model is from Fig. 1 state transformation to Fig. 3 state procedure, the motion bar of described first linear drives assembly 2 extends, described first drive rod 6 and described second drive rod 7 is driven back to draw close, described head rod 501 and described 3rd connecting rod 503 make described foot rest 3 move down, described second connecting rod 502 and described 4th connecting rod 504 make described foot rest 3 shrink, simultaneously under the drive of described hinge telescoping mechanism 5, described foot rest 3 outwards reverses, and the object on described foot rest 3 can be avoided to be sandwiched between described foot rest 3 and described base 1; When the motion bar of described first linear drives assembly 2 shrinks, according to identical operation principle, then described foot rest 3 counter motion, stop behind the motion bar arrival precalculated position of described first linear drives assembly 2, described foot rest 3 is contracted to Fig. 3 state, and remain on Fig. 3 state, ensure that the stability of described foot rest 3.
In the present embodiment, the width W 1 of described 3rd connecting rod 503 is less than the width W 2 of described 4th connecting rod 504.Be clamped between mechanism for avoiding object, described hinge telescoping mechanism 5 needs with object coated, the width W 2 of described 4th connecting rod 504 is greater than the width W 1 of described 3rd connecting rod 503, coating can be made to be fixed on described 4th connecting rod 504, avoid and set up other device; Described 3rd connecting rod 503 remains in the width range of described 4th connecting rod 504 when described 4th connecting rod 504 rotates, avoids the relative motion of described 3rd connecting rod 503 and described 4th connecting rod 504 to have influence on the stable of coating.
In the present embodiment, described base 1 is provided with and supports four-bar mechanism 8 and bracing frame 9, described support four-bar mechanism 8 is provided with connecting rod 81, support frame as described above 9 is fixed and described connecting rod 81, described first drive rod 6 is hinged with support frame as described above 9, and described first pivot bracket 4 is articulated with support frame as described above 9 by described first drive rod 6.Concrete, support frame as described above 9 can be used for installing cushion, after described first linear drives assembly 2 drives the contraction of described foot rest 3 to get back to precalculated position, described first linear drives assembly 2 continues elongation and is lifted by support frame as described above 9 by described first drive rod 6, Fig. 3 can be converted into as Fig. 1, Fig. 3 is converted into Fig. 4 state again, under the effect of described support four-bar mechanism 8, support frame as described above 9 turns forward while rising, thus auxiliary occupant stands, can help that the old,weak,sick and disabled is pregnant to stand from sitting state, the elderly is avoided to stand up inconvenience, alleviate misery when sufferer is stood up, improve ease of use.
In the present embodiment, also comprise the second linear drives assembly 10, second pivot bracket 11, the 3rd pivot bracket 12, the 3rd drive rod 13 and lean on frame 14, described second linear drives assembly 10 has body 101 and telescopic arm (non-label), described body 101 is hinged with described second pivot bracket 11, described second pivot bracket 11 is fixedly connected with described connecting rod 81, described telescopic arm and described 3rd pivot bracket 12 hinged, described 3rd pivot bracket 12 is articulated with described by frame 14 by described 3rd drive rod 13, described hinged by frame 14 and support frame as described above 9.The described frame 14 that leans on is for fixing back pad, when telescopic arm shrinks, can make occupant from sitting state transformation to lie state, driven by described 3rd pivot bracket 12 and describedly to lie for 14 times by frame, when telescopic arm is retracted to precalculated position, the described frame 14 that leans on remains on relevant position.
In the present embodiment, described connecting rod 81 is provided with the first connecting plate 811 and the second connecting plate 812, described first connecting plate 811 and described second connecting plate 812 are provided with draw-in groove 813, the two ends of described second pivot bracket 11 are installed on described draw-in groove 813 respectively, described second connecting plate 812 has support portion 814, and support frame as described above 9 is bolted in described support portion 814.Described first connecting plate 811 and described second connecting plate 812 are arranged on the both sides of the rocking bar in described support four-bar mechanism 8, improve the stability of structure, improve bonding strength; Larger moment of torsion is born in described second pivot bracket 11 and described support four-bar mechanism 8 junction, is connected can be improved connective stability by described draw-in groove 813, and improve anti-twisting property, support frame as described above 9 is bolted in described support portion 814, and connected mode is simple, easy to assembly.Preferred further, the cross sectional shape of described second pivot bracket 11 is quadrangle, pentagon or hexagon.
In the present embodiment, described first linear drives assembly 2 is electric pushrod.Electric pushrod is convenient to install and use, and do not produce waste liquid and waste gas, noise is little.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a Multifunctional chair rack for improvement, comprises base (1), the first linear drives assembly (2) and foot rest (3), it is characterized in that:
Also comprise the first pivot bracket (4), hinge telescoping mechanism (5), the first drive rod (6) and the second drive rod (7);
Described first linear drives assembly (2) is installed on described base (1), and described first linear drives assembly (2) is articulated with the middle part of described first pivot bracket (4);
One end of described first pivot bracket (4) is movably connected on described base (1);
Described first pivot bracket (4) is fixed in one end of described first drive rod (6), and the middle part of described first drive rod (6) is articulated with described base (1), and the other end of described first drive rod (6) is articulated with one end of described second drive rod (7);
The other end of described second drive rod (7) is articulated with one end of described hinge telescoping mechanism (5);
One end of described hinge telescoping mechanism (5) is also articulated with described base (1);
The other end of described hinge telescoping mechanism (5) is connected to described foot rest (3).
2. the Multifunctional chair rack of a kind of improvement according to claim 1, is characterized in that: described first drive rod (6) has square shaft connecting portion (601), and described square shaft connecting portion (601) is spirally connected with described first pivot bracket (4) or welds.
3. the Multifunctional chair rack of a kind of improvement according to claim 1, is characterized in that: described hinge telescoping mechanism (5) comprises head rod (501), the second connecting rod (502), the 3rd connecting rod (503) and the 4th connecting rod (504);
Described second drive rod (7) is hinged with the middle part of described head rod (501);
The two ends of described head rod (501) are hinged with described 3rd connecting rod (503), described base (1) respectively;
The two ends of described second connecting rod (502) are hinged with described 4th connecting rod (504), described base (1) respectively;
Described 3rd connecting rod (503), described 4th connecting rod (504) are articulated with the different parts of described foot rest (3) respectively;
Distance between two hinge holes of described 3rd connecting rod (503) is greater than the distance between two hinge holes of described 4th connecting rod (504).
4. the Multifunctional chair rack of a kind of improvement according to claim 3, is characterized in that: the width of described 3rd connecting rod (503) is less than the width of described 4th connecting rod (504).
5. the Multifunctional chair rack of a kind of improvement according to claim 1, is characterized in that: described base (1) comprises support four-bar mechanism (8) and bracing frame (9);
Described support four-bar mechanism (8) comprises connecting rod (81);
Support frame as described above (9) is fixed on described connecting rod (81);
Described first drive rod (6) is hinged with support frame as described above (9);
Described first pivot bracket (4) is hinged by described first drive rod (6) and support frame as described above (9).
6. the Multifunctional chair rack of a kind of improvement according to claim 5, is characterized in that: described Multifunctional chair rack also comprises the second linear drives assembly (10), the second pivot bracket (11), the 3rd pivot bracket (12), the 3rd drive rod (13) and leans on frame (14);
Described second linear drives assembly (10) comprises body (101) and expansion link (102);
Described body (101) is hinged with described second pivot bracket (11), and described second pivot bracket (11) is fixedly connected with described connecting rod (81);
Described expansion link (102) is hinged with described 3rd pivot bracket (12), and described 3rd pivot bracket (12) is hinged with the described frame (14) that leans on by described 3rd drive rod (13);
Described hinged by frame (14) and support frame as described above (9).
7. the Multifunctional chair rack of a kind of improvement according to claim 6, it is characterized in that: described connecting rod (81) comprises the first connecting plate (811) and the second connecting plate (812), described first connecting plate (811) and described second connecting plate (812) are provided with draw-in groove (813);
The two ends of described second pivot bracket (11) are individually fixed in described draw-in groove (813);
Described second connecting plate (812) has support portion (814), and support frame as described above (9) is bolted in described support portion (814).
8. the Multifunctional chair rack of a kind of improvement according to claim 6, is characterized in that: the cross sectional shape of described second pivot bracket (11) is quadrangle, pentagon or hexagon.
9. according to the Multifunctional chair rack of a kind of improvement one of claim 1 ~ 8 Suo Shu, it is characterized in that: described first linear drives assembly (2) is electric pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529684.4U CN204950131U (en) | 2015-07-21 | 2015-07-21 | Multi -functional chair frame of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529684.4U CN204950131U (en) | 2015-07-21 | 2015-07-21 | Multi -functional chair frame of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204950131U true CN204950131U (en) | 2016-01-13 |
Family
ID=55045234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529684.4U Expired - Fee Related CN204950131U (en) | 2015-07-21 | 2015-07-21 | Multi -functional chair frame of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204950131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105725576A (en) * | 2016-04-29 | 2016-07-06 | 东莞市捷科五金有限公司 | Structure improved sofa underframe |
| WO2022188631A1 (en) * | 2021-03-11 | 2022-09-15 | 德沃康科技集团有限公司 | Chair support for elderly and chair for elderly |
-
2015
- 2015-07-21 CN CN201520529684.4U patent/CN204950131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105725576A (en) * | 2016-04-29 | 2016-07-06 | 东莞市捷科五金有限公司 | Structure improved sofa underframe |
| WO2022188631A1 (en) * | 2021-03-11 | 2022-09-15 | 德沃康科技集团有限公司 | Chair support for elderly and chair for elderly |
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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: 20160113 Termination date: 20170721 |