CN204091436U - Collapsible chair frame - Google Patents
Collapsible chair frame Download PDFInfo
- Publication number
- CN204091436U CN204091436U CN201420502193.6U CN201420502193U CN204091436U CN 204091436 U CN204091436 U CN 204091436U CN 201420502193 U CN201420502193 U CN 201420502193U CN 204091436 U CN204091436 U CN 204091436U
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- Prior art keywords
- support
- seat
- hinged
- bar
- support bar
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Abstract
The utility model discloses a kind of collapsible chair frame, it is characterized in that: comprise base, the first support bar, the second support bar, electric pushrod, seat support and back rest, wherein back rest is hinged on seat support, the support of electric pushrod and expansion link are hinged on back rest, seat support respectively, thus control back rest rotating relative to seat support, first support bar or the second support bar comprise spring and mutually form two connecting rods of moving sets, the two ends of spring connect two connecting rods respectively, thus produce the elastic force for stoping two connecting rods mutually to move linearly.The utility model reduces the transportation volume of product greatly, and packaging can be made to minimize, and increases dress cabinet amount, reduces cost of transportation; When client uses, do not need to install any screw, direct pull-up seat support just can use, and greatly simplify the step that client installs, and increases customer experience degree.
Description
Technical field
The utility model relates to a kind of Chair frame, particularly a kind of collapsible chair frame.
Background technology
The kind of existing chair is a lot, comprise armchair, massage armchair, swivel chair, rocking chair, chaise longue and advanced multifunctional chair, wherein, massage armchair, rocking chair, chaise longue, multifunctional chair etc. due to volume ratio larger, so at production and selling, certain inconvenience is all there is in use procedure, such as, because the volume ratio of chair is larger, cause the boxing efficiency of chair low, factory is when actual shipment, need the handrail of chair more, the chair back etc. disassemble cases, thus raising boxing efficiency, reduce cost of transportation, such Problems existing, need dismounting, also demolition part will be reinstalled, lavish labor on.In sales process, because chair volume is large, the private car of ordinary consumer cannot load, therefore need to spend extra freight, and in actual use, large owing to taking up space, in the process do not used, particularly for the people living in apartment, cause space waste larger.For these problems, people have devised a lot of foldable chair structures.Existing folding seat, folding efficiency is low, complicated operation,
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, and folding efficiency is high, easy to operate collapsible chair frame.
The technical scheme in the invention for solving the above technical problem is:
A kind of collapsible chair frame comprises base, first support bar, second support bar, electric pushrod, seat support and back rest, back rest is hinged on seat support, support and the expansion link of electric pushrod are hinged on back rest respectively, on seat support, thus control back rest rotating relative to seat support, first support bar or the second support bar comprise spring and mutually form two connecting rods of moving sets, the two ends of spring connect two connecting rods respectively, thus the elastic force produced for stoping two connecting rods mutually to move linearly, the upper end thereof of the first support bar is in the forward part of seat support, the lower end of the first support bar is hinged in the forward part on base, the upper end thereof of the second support bar is in the part rearward of seat support, the lower end of the second support bar is hinged in the part rearward on base, seat support is provided with the locking mechanism for stoping collapsible chair frame folding.
Consider, under chair deployed condition, two connecting rods can not produce relative movement, first support bar, second support bar, seat support, base forms similar four-bar mechanism, fixing wherein any two bars be hinged, the fixing of whole four-bar mechanism can be realized, thus stationary state when can realize the expansion of whole chair, therefore locking mechanism can pass through any one in fixing following combination: the first support bar and seat support, second support bar and seat support, first support bar and base or the second support bar and base, what realize under this chair deployed condition is fixing.When needs joint-stool, remove this locking mechanism, from the kinetic characteristic of four-bar mechanism, pull seat support, first support bar, second support bar respect thereto rotating in same direction, and seat support also can correspondingly reduce, thus constantly near base, first support bar and base be corresponding rod member length sum on described four-bar mechanism, corresponding rod member length sum on described screw body is not etc. with the second support bar and seat support, correspondence arranges first support bar or the second support bar that can stretch, after two connecting rod relative movements, compensate for difference, thus seat support can be reduced to minimum, backrest can be reduced to backward by electric pushrod and to adapt with base, thus realize collapsible chair frame foldable integral to minimum.Consider stability, base is preferably designed to the structure that can not fold, if therefore consider this point, after folding, seat support and back rest all almost will lean against on base, thickness on the above-below direction of this rocking chair is reduced to minimum, and the left and right length of the left and right length sum and base that control seat support and back rest is similar to, thus can by after folding, length on the left and right directions of this rocking chair is reduced to minimum, thus achieve the raising greatly of rocking chair folding efficiency on the whole, thus it is low to solve existing chair per cent pack, the problem such as take up space large, and it is simple to operate, only need the mechanism that unlocks, fell back rest, and pull seat support can realize the folding of rocking chair, and the setting of spring, hand is weighed wounded downwards when preventing seat support from toppling over suddenly, and in the process launching chair, the function of auxiliary pull-up seat support can be played, thus improve use fluency and the convenience of chair.
As preferably, the outer bar of support that two connecting rods are respectively socket mutually and bar in supporting, supports in outer bar the spring arranging and connect and support outer bar and the interior bar of support.
As preferably, the bottom surface of base is arc contact surface, thus realizes the function of rocking chair.
As preferably, the forward part of seat support is fixed wtih the first hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the first hinged seat is inserted in the upper end of the first support bar, and by hinge on the first hinged seat, forward part on base is fixed wtih the second hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the second hinged seat is inserted in the lower end of the first support bar, and by hinge on the second hinged seat, the part rearward of seat support is fixed wtih the 3rd hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the 3rd hinged seat is inserted in the upper end supporting outer bar, and by hinge on the 3rd hinged seat, the lower end of the interior bar of support is fixed wtih the 4th hinged seat being provided with U-shaped hinged groove, part rearward on base is fixed with connector, connector inserts the U-shaped hinged groove of the 4th hinged seat, and by hinge on the 4th hinged seat.
By the design of U-shaped hinged groove, the two ends of bearing pin can obtain the support of U-shaped hinged groove two side respectively, in first support bar, the outer bar of support, support, bar not only can realize comparatively firmly articulated structure, and by controlling the position of bearing pin in U-shaped hinged groove, bar rotation process and corresponding U-shaped hinged groove in the first support bar, the outer bar of support, support can be avoided to produce interfere, produce maximum folding effect.The lower end of bar in 4th hinged seat is fixed on and supports, effectively can support the outer bar of support being socketed in and supporting on interior bar, thus avoid the lower end in contact base supporting outer bar, keep away to support in outer bar rotation process to produce with base and interfere.
As preferably, the distance between the upper end of the first support bar and the upper end of the second support bar is less than the distance between the lower end of the first support bar and the lower end of the second support bar.By this supporting construction, because rocking chair is for rocking back and forth, the first support bar be therefore obliquely installed, the second support bar can bear forward rocking motion and chair receives in swing process backward power well.
As preferably, locking mechanism comprises installation seat plate, snap fit, installation seat plate is fixed on seat support, snap fit is rotatably installed on installation seat plate, and the upper end of the first support bar is fixed with the joint pin for connecting buckle, buckle is connected with for stoping buckle towards the torsion spring rotated away from joint pin direction, torsion spring set is connected on pin, one end of torsion spring is plugged on installation seat plate, and the other end of torsion spring is plugged on buckle, buckle is fixed with the turning handle for rotating buckle.In rocking chair use procedure, consider that on seat support, installing space is large, more convenient installation locking mechanism, and the relative rear position of the anterior position being arranged on chair, in folding process, conveniently touch, be therefore arranged on seat support by locking mechanism, this locking mechanism also can be set on base, the first support bar, the second support bar, seat support.
As preferably, all curved structure of seat support, back rest.
As preferably, the front end of base is slidably fitted with pedal.
The utility model compared with prior art, has the following advantages and effect:
1) transportation volume of product can be reduced greatly, packaging can be made to minimize, increase dress cabinet amount, reduce cost of transportation;
2) when client uses, do not need to install any screw, direct pull-up seat support just can use, and greatly simplify the step that client installs, and increases customer experience degree;
3) design of arc rocking chair can realize by electric pushrod assist function of automatically standing up, and regulates the angle of seat support and back rest, gravity center of human body can be regulated to move forward, thus realizes the effect that power-assisted stands up;
4) make the elderly sit to stand up long afterwards convenient;
5) pedal uses pull-out mechanism, can realize optimal posture seating angle according to the crowd of different height;
6) arc rocking chair design, the angle of backrest and seat is minimum, then according to the feature that rocking chair base center of gravity can move forward, can realize the effect that power-assisted is stood up.
Accompanying drawing explanation
Fig. 1 is the structural representation of the back rest of the utility model embodiment collapsible chair frame when being put into.
Structural representation when Fig. 2 is the back rest withdrawal of the utility model embodiment collapsible chair frame.
Fig. 3 is the folded state structural representation of the collapsible chair frame of the utility model embodiment.
Fig. 4 is the mounting structure schematic diagram of the utility model embodiment locking mechanism.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
See Fig. 1-Fig. 4, the collapsible chair frame of the present embodiment comprises base 1, first support bar 2, second support bar 3, electric pushrod 4, seat support 5 and back rest 6, and wherein the bottom surface of base 1 is arc contact surface, all curved structure of seat support 5, back rest 6.Back rest 6 by hinge on seat support 5, the support of electric pushrod 4 and expansion link are hinged on back rest 6, seat support 5 respectively, thus control back rest 6 rotating relative to seat support 5, second support bar 3 comprises bar 32 in the outer bar 31 of the support be mutually socketed and support, supports in outer bar 31 and is provided with the spring 33 that connection supports bar 32 in outer bar 31 and support.Spring 33 can when supporting outer bar 31 and separating with the mutual linear slide of bar 32 in support, the pulling force allowing and gather each other is provided, the socket join structure supported in outer bar 31 and support between bar 32 is the linear slide in order to realize each other, and the second support bar 3 can adopt two connecting rods adopting chute, slide block to connect each other to replace.The forward part of seat support 5 is fixed wtih the first hinged seat 71 being provided with U-shaped hinged groove, the U-shaped hinged groove of the first hinged seat 71 is inserted in the upper end of the first support bar 2, and by hinge on the first hinged seat 71, forward part on base 1 is fixed wtih the second hinged seat 72 being provided with U-shaped hinged groove, the U-shaped hinged groove of the second hinged seat 72 is inserted in the lower end of the first support bar 2, and by hinge on the second hinged seat 72, the part rearward of seat support 5 is fixed wtih the 3rd hinged seat 73 being provided with U-shaped hinged groove, the U-shaped hinged groove of the 3rd hinged seat 73 is inserted in the upper end supporting outer bar 31, and by hinge on the 3rd hinged seat 73, the lower end of the interior bar 32 of support is fixed wtih the 4th hinged seat 74 being provided with U-shaped hinged groove, part rearward on base 1 is fixed with connector 75, connector 75 inserts the U-shaped hinged groove of the 4th hinged seat 74, and by hinge on the 4th hinged seat 74.By the design of U-shaped hinged groove, the two ends of bearing pin can obtain the support of U-shaped hinged groove two side respectively, in first support bar 2, the outer bar 31 of support, support, bar 32 not only can realize comparatively firmly articulated structure, and by controlling the position of bearing pin in U-shaped hinged groove, bar 32 rotation process and corresponding U-shaped hinged groove in the first support bar 2, the outer bar 31 of support, support can be avoided to produce interfere, produce maximum folding effect.The lower end of bar 32 in 4th hinged seat 74 is fixed on and supports, effectively can support the outer bar 31 of support being socketed in and supporting on interior bar 32, thus avoid the lower end in contact base 1 supporting outer bar 31, keep away to support in outer bar 31 rotation process to produce with base 1 and interfere.
Distance between the upper end of the first support bar 2 and the upper end of the second support bar 3 is less than the distance between the lower end of the first support bar 2 and the lower end of the second support bar 3.By this supporting construction, because rocking chair is for rocking back and forth, the first support bar 2, second support bar 3 be therefore obliquely installed can bear forward rocking motion and chair receives in swing process backward gravity well.
Seat support 5 is provided with the locking mechanism 8 for preventing collapsible chair frame folding, locking mechanism 8 comprises installation seat plate 81, snap fit 82, installation seat plate 81 is fixed on seat support 5, snap fit 82 is rotatably installed on installation seat plate 81, the upper end of the first support bar 2 is fixed with the joint pin 83 for connecting buckle, buckle is connected with for stoping buckle towards the torsion spring 84 rotated away from joint pin 83 direction, torsion spring 84 is socketed on pin, one end of torsion spring 84 is plugged on installation seat plate 81, the other end of torsion spring 84 is plugged on buckle, buckle is fixed with the turning handle 85 for rotating buckle.Consider that on seat support 5, installing space is large, more convenient installation locking mechanism 8, and the relative rear position of the anterior position being arranged on chair, in folding process, conveniently touch, this locking mechanism 8 also can be set on base 1, first support bar 2, second support bar 3, seat support 5.The front end of base 1 is slidably fitted with pedal 9.The collapsible chair frame of the present embodiment can reach folding rear THICKNESS CONTROL at about 250mm, and left and right cut to lengthen is at about 950mm.
Above content described in this description is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model description or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (8)
1. a collapsible chair frame, it is characterized in that: comprise base, first support bar, second support bar, electric pushrod, seat support and back rest, wherein back rest is hinged on seat support, support and the expansion link of electric pushrod are hinged on back rest respectively, on seat support, thus control back rest rotating relative to seat support, first support bar or the second support bar comprise spring and mutually form two connecting rods of moving sets, the two ends of spring connect two connecting rods respectively, thus the elastic force produced for stoping two connecting rods mutually to move linearly, the upper end thereof of the first support bar is in the forward part of seat support, the lower end of the first support bar is hinged in the forward part on base, the upper end thereof of the second support bar is in the part rearward of seat support, the lower end of the second support bar is hinged in the part rearward on base, seat support is provided with the locking mechanism for stoping collapsible chair frame folding.
2. collapsible chair frame according to claim 1, it is characterized in that: locking mechanism comprises installation seat plate, snap fit, installation seat plate is fixed on seat support, snap fit is rotatably installed on installation seat plate, the upper end of the first support bar is fixed with the joint pin for connecting buckle, buckle is connected with for stoping buckle towards the torsion spring rotated away from joint pin direction, torsion spring set is connected on pin, one end of torsion spring is plugged on installation seat plate, the other end of torsion spring is plugged on buckle, buckle is fixed with the turning handle for rotating buckle.
3. collapsible chair frame according to claim 1, is characterized in that: two connecting rods are respectively bar in the outer bar of the support be mutually socketed and support, support in outer bar and arrange the spring that connection supports bar in outer bar and support.
4. collapsible chair frame according to claim 1, is characterized in that: the bottom surface of base is arc contact surface.
5. collapsible chair frame according to claim 1, it is characterized in that: the forward part of seat support is fixed wtih the first hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the first hinged seat is inserted in the upper end of the first support bar, and by hinge on the first hinged seat, forward part on base is fixed wtih the second hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the second hinged seat is inserted in the lower end of the first support bar, and by hinge on the second hinged seat, the part rearward of seat support is fixed wtih the 3rd hinged seat being provided with U-shaped hinged groove, the U-shaped hinged groove of the 3rd hinged seat is inserted in the upper end supporting outer bar, and by hinge on the 3rd hinged seat, the lower end of the interior bar of support is fixed wtih the 4th hinged seat being provided with U-shaped hinged groove, part rearward on base is fixed with connector, connector inserts the U-shaped hinged groove of the 4th hinged seat, and by hinge on the 4th hinged seat.
6. collapsible chair frame according to claim 1, is characterized in that: the distance between the upper end of the first support bar and the upper end of the second support bar is less than the distance between the lower end of the first support bar and the lower end of the second support bar.
7. collapsible chair frame according to claim 1, is characterized in that: all curved structure of seat support, back rest.
8. collapsible chair frame according to claim 1, is characterized in that: the front end of base is slidably fitted with pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502193.6U CN204091436U (en) | 2014-09-02 | 2014-09-02 | Collapsible chair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502193.6U CN204091436U (en) | 2014-09-02 | 2014-09-02 | Collapsible chair frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204091436U true CN204091436U (en) | 2015-01-14 |
Family
ID=52259911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502193.6U Expired - Fee Related CN204091436U (en) | 2014-09-02 | 2014-09-02 | Collapsible chair frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204091436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577301A (en) * | 2017-12-25 | 2018-09-28 | 李燕 | A kind of rumble seat |
-
2014
- 2014-09-02 CN CN201420502193.6U patent/CN204091436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577301A (en) * | 2017-12-25 | 2018-09-28 | 李燕 | A kind of rumble seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI KANGYUAN ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20150519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150519 Address after: 313300 Sunshine Industrial Park (Science and technology pioneer garden), Anji County, Zhejiang, Huzhou Patentee after: HUZHOU KANGRUN ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. Patentee after: Huzhou Kang Yuan Electronic Technology Co., Ltd. Address before: 313300 Sunshine Industrial Park (Science and technology pioneer garden), Anji County, Zhejiang, Huzhou Patentee before: HUZHOU KANGRUN ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
|
| 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: 20150114 Termination date: 20180902 |