CN202567200U - Chair heightening device - Google Patents
Chair heightening device Download PDFInfo
- Publication number
- CN202567200U CN202567200U CN 201220188118 CN201220188118U CN202567200U CN 202567200 U CN202567200 U CN 202567200U CN 201220188118 CN201220188118 CN 201220188118 CN 201220188118 U CN201220188118 U CN 201220188118U CN 202567200 U CN202567200 U CN 202567200U
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- China
- Prior art keywords
- connecting rod
- leg
- rising device
- chair
- bar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a chair heightening device, comprising a center base, at least two connecting rods, and at least two supporting legs. One ends of the connecting rods are fixedly connected with the center base; the connecting rods extend from the center base along the circumference; and the supporting legs are rotatably connected with the other ends of the connecting rods. The chair heightening device provided by the utility model has the advantages of simple structure, smart design, folding capability, convenience in carrying, high practical applicability, small occupied space and wide application range.
Description
Technical field
The utility model relates to the bracing or strutting arrangement that is used for the furniture facility, relates in particular to a kind of chair rising device.
Background technology
Usually, the height of facilities such as furniture is confirmed in process of production that by the producer domestic consumer is difficult to change according to actual needs the height of standard finished products in actual use, does not also have the special easily accessory of dexterity with helping adjusting.For example, the chair of common height is not suitable for the child has a dinner, for the children that the satisfy all ages and classes needs of having a dinner are regulated the suitable height of chair.For example, for the child's height that adapts in all ages and classes stage changes, need buy the chair of differing heights again.The device that is used for bed hedgehopping furniture more in the market, structural instability often, poor stability, and volume is big, and not easily contained, inconvenience is carried.
The utility model content
The purpose of the utility model is, for satisfying people's needs, overcomes the above-mentioned defective of prior art, and a kind of chair rising device is provided, and it is simple in structure, and is convenient and practical, and cost is low, designs ingeniously, collapsible, is easy to carry, and it is little to take up room, extensive use.
The utility model provides a kind of chair rising device, comprises central seat, at least two connecting rods, and at least two legs; One end of said connecting rod is fixedly connected on said central seat, and said connecting rod stretches out along circumference from central seat, and said leg rotatably is connected the other end of said connecting rod.
Wherein, said central seat comprises fixedly upper casing and fixedly lower casing; Said fixedly upper casing is provided with holddown groove, and said fixedly lower casing is provided with accommodating groove; One end of said connecting rod is provided with connector, and said connector is arranged in said holddown groove and the said accommodating groove movably, and said connector drives said connecting rod and rotates in the horizontal direction or on the vertical direction.
Wherein, said connecting rod comprises outer bar and interior bar; Said outer bar is hollow structure; The bar telescopically is set in the cavity of said outer bar in said.
Wherein, said interior bar is connected with outer bar through elastomeric element, and said elastomeric element one end and said interior bar bottom are fixing, and the other end of said elastomeric element is connected with the bottom of said outer bar.
Wherein, said leg is provided with the incorporating section, bottom.
Wherein, the cross section of said leg is the shape of a hoof.
Wherein, said leg can be around said outer bar rotation.
Wherein, said leg further is provided with foot branching pad or leg increases parts.
Wherein, the cross section of said connecting rod is square, triangle or circle.Said connecting rod is square pole structure, triangular pelvis structure or circular pin structure.
Wherein, said chair rising device comprises four connecting rods and four legs.
The utility model can improve the height of chair, can also improve the height of other furniture, such as the height that can improve desk, cupboard.The utility model is simple in structure, operates simple and easyly, easy to use, and it is very little to take in the back volume, is easy to carry or stores.
Description of drawings
Fig. 1 is the structural representation of the utility model chair rising device.
Fig. 2 is the connecting rod of the utility model chair rising device and the structural representation that leg rotates.
Fig. 3 is the outer bar of connection of the utility model chair rising device and the structural representation of interior bar.
Fig. 4 is the vertical view of the utility model chair rising device.
Fig. 5 is the structural representation of central seat, connecting rod and the leg of the utility model chair rising device.
Fig. 6 is the folded state sketch map of the utility model chair rising device.
Fig. 7 is the spherical connector sketch map of the connecting rod of the utility model chair rising device.
Fig. 8 is the cross connector sketch map of the connecting rod of the utility model chair rising device.
Fig. 9 is the structural representation of the interior spring of the connecting rod of the utility model chair rising device.
Figure 10 A is the preceding structural representation of leg upset of the utility model chair rising device.
Figure 10 B is the structural representation after the leg of the utility model chair rising device overturns.
Figure 11 is the leg of the utility model chair rising device and the structural representation of foot branching pad.
Figure 12 is the structural representation that increases parts that is provided with in the leg of the utility model chair rising device.
The specific embodiment
In conjunction with following specific embodiment and accompanying drawing, the utility model to be done further to specify, the protection content of the utility model is not limited to following examples.Under spirit that does not deviate from inventive concept and scope, variation and advantage that those skilled in the art can expect all are included in the utility model, and are protection domain with the appending claims.
Shown in Fig. 1-9, the 1-central seat, the 2-connecting rod, the outer bar of 21-, bar in the 22-, the 23-connector, the 24-spring, 11-is upper casing fixedly, and 12-is lower casing fixedly, the 13-holddown groove, the 14-accommodating groove, the 3-leg, incorporating section, 31-bottom, the 32-foot branching pad, the 33-leg increases parts.
As shown in Figure 1, the utility model chair rising device comprises 1, four connecting rod of a central seat, and four legs 3 that are installed in connecting rod.One end of connecting rod 2 is fixedly connected in the central seat 1 movably, and another end of connecting rod 2 rotatably is connected on the leg 3, thereby the bracing or strutting arrangement that constitutes a robust structure is used to increase chair height.
Shown in Fig. 2-5, central seat 1 comprises fixedly upper casing 11 and fixedly lower casing 12, fixedly upper casing 11 and fixedly formation one spatial accommodation between the lower casing 12.The shape of central seat 1 is unrestricted, can circle, ellipse, triangle, square etc.
One end of every connecting rod 2 is provided with a connector 23, and connector 23 is inserted into the fixedly upper casing 11 of central seat 1 and fixedly between the lower casing 12, so that four connecting rods become one.Connecting rod 2 stretches out along circumference from central seat 1.The other end of every connecting rod 2 is equipped with one can be around the leg 3 of connecting rod rotation.
Fixedly upper casing 11 can be mutually permanently connected through fixed part is set with fixing lower casing 12, as buckle structure is set, and is fixedly connected through the buckle mode each other.It is continuous or fixing through welding that helicitic texture or bolt also can be set.The spherical connector 23 of connecting rod 2 is placed in the accommodating groove 14 on the fixing lower casing 12; Through draw-in groove fixedly lower casing 11 be connected fixing with fixing lower casing 12; Thereby spherical connector 23 is fixed on fixedly lower casing 11 movably and fixedly between the lower casing 12, realizes being connected of connecting rod 2 and central seat 1.
As shown in Figure 1, fixedly upper casing 11 is provided with four holddown grooves 13, is used for holding the spherical connector 23 on the connecting rod 1.Holddown groove 13 is the ring recess structure that is provided with along circumference, and connecting rod 2 can rotate around central seat.The spherical connector 23 of connecting rod 2 one end settings can be articulated and connected in holddown groove 13.
Fixedly lower casing 12 is provided with four accommodating grooves 14, can be used to the folding versatilely connecting rod 2 of taking in, the folding downwards accommodating groove 14 that snaps in of connecting rod 2.The quantity of holddown groove 13, accommodating groove 14 is consistent with the quantity of connecting rod 2.
The spherical connector 23 that can hold connecting rod 2 one ends in the space that holddown groove 13 and accommodating groove 14 surround.The inner wall shape in holddown groove 13 and accommodating groove corresponding space that surrounds about in the of 14 with the outer wall form fit of spherical connector 23, is assemblied in the space spherical connector 23 accordingly.The user drives the rotation movably in the space of spherical connector 23 through the bar 2 that is rotationally connected.As shown in Figure 5; Spherical connector 23 rotates, and connector 23 drives connecting rod 2 and moves in vertical direction, and connecting rod 2 is that break is folding downwards with central seat 1; Drive this sphere connector 23 rotation in the space through drawing in and launching connecting rod 2, decontrol or folding whole device.Further be, it is that rotate in the horizontal direction at the center with central seat 1 that connector 23 can also drive connecting rod 2, and when each connecting rod 2 rotations can be combined in samely in the radial direction the time, whole rising device has been realized folding gathering in the horizontal direction., each connecting rod 2 decontroled rising device when being evenly distributed on the circumference all directions.Like Fig. 7, shown in 8, connector 23 is spherical connectors, and the crosswise connector can also other suitable shapes.
As shown in Figure 1, connecting rod 2 stretches out along circumference from central seat 1, rises and strengthens supporting role, and its material length etc. are unrestricted, are suitable to be fit to receiving force intensity.A plurality of connecting rods 2 are that central point stretches out into spreading arm with the axle center of central seat 1.As shown in Figure 4, connecting rod 2 can be done the circumference rotation around central seat 1.A plurality of connecting rods 2 are positioned on the same horizontal plane and keep balance.Also reinforcement can be set on the connecting rod 2, the support force of reinforced company's extension bar.The quantity of connecting rod 2 is unrestricted, with the quantity Matching of the pin of chair or furniture for suitable.
Like Fig. 2, shown in 3, the cross section of connecting rod 2 is square, and connecting rod 2 is the square pole structure.Connecting rod 2 can also be circular pin structure, triangular pelvis structure or other any structure shapes applicatory.Connecting rod 2 comprises outer bar 21 and interior bar 22.Outer bar 21 is hollow columnar structures, can place interior bar in its cavity.Interior bar 22 telescopicallies are set in the cavity in the outer bar 21.
Like Fig. 3, shown in Figure 9, interior bar 22 is connected with outer bar 21 through extension spring 24, and extension spring 24 1 ends and interior bar 22 bottoms are fixed, and the other end of extension spring 24 is connected with the bottom of outer bar 21.Interior bar is pulled out from outer bar, can be used to regulate the different length of connecting rod 2, with the Foot of chair of coupling different spacing according to the difference of stretching distance.Like Fig. 3, shown in 4, connecting rod 2 fully stretches.As shown in Figure 6, connecting rod 2 is contracted to shortest length.Also can be connected between interior bar 22 and the outer bar 21, for example rubber band, elastic rubber strip through other elastomeric elements; Or be connected through other modes such as chute, draw-in grooves.Can hold one or more many sheathed layer by layer interior bars 22 in the outer bar 21.
The another kind of implementation of the utility model is that this device central seat 1, connecting rod 2 and leg 3 connect with fixed form, can not fold.Attaching parts in this device connect with fixing not folding mode, make intensity, firmness and the stability etc. of whole device be improved.
As shown in Figure 6, the sketch map of the utility model chair rising device when packing up fully.This moment, connecting rod 2 was snapped in the accommodating groove of fixing lower casing, and leg 3 is rotated with respect to connecting rod, thereby leg is close to connecting rod, and whole device is folded state by gathering.When leg rotated to the axial same plane with connecting rod, the whole device after folding took up room less.The bottom of launching each leg of back is in same horizontal plane and keeps balance and stressed even.
Further, can also install roller, be convenient to whole device load and moving on the furniture occurred level direction, thereby be applicable to the varying environment needs at the position that lands of leg 3.Universal pulley can also be installed, have brake function, can control whole chair rising device and not be moved.
Further, shown in figure 11, connect foot branching pad 32 through the position that lands at leg 3, thus bed hedgehopping the height of leg, improve the height of whole chair rising device with this.The inboard form fit of foot branching pad 32 port outer shape and leg 3 lower port, insert in leg 3 lower ends upper end of foot branching pad 32.Foot branching pad 32 materials, height and quantity etc. are unrestricted.
Further, shown in figure 12, at the position that lands of leg 3 leg is set and increases parts 33.Leg increases parts 33 and is movably connected on leg 3, through drawing back or closed mode is regulated the distance that leg increases parts 33 and leg 3 lower ends, thereby improves the length of leg 3, improves the height of whole chair rising device with this.It is unrestricted that leg increases material, structure and the quantity etc. of parts 33, also can through bayonet socket, spiral mouth are set or utilize all kinds of drive units as surge, electronic, pneumatic means realizes the repeatedly adjusting to height.
The tie point of connecting rod 2 and leg 3 can be arranged on the centre position of leg 3 radical lengths.This tie point can also be arranged on other optional positions except that mid point on the leg 3, for example, length 1/3 position of leg 3, shown in Figure 10 A, 10B, form on the leg 3 two segment length different than galianconism, longer arm.Among Figure 10 A, upset leg 3 lands the longer arm of leg 3 during use, and the use height 1 of chair rising device is shown in Figure 10 A.Shown in Figure 10 B, leg 3 after connecting rod 2 upsets, is made landing than galianconism of leg 3, adjusting device is to using height 2.Promptly realize the chair rising device is used the adjusting of height through the upset of leg 3.Passablely be, on leg 3, form two sections, have fixing length difference between two arms, thereby promptly realize highly adjusting through directly spinning upside down whole rising device than galianconism and longer arm.
As shown in Figure 1, the chair rising device comprises 2, four legs 3 of four connecting rods and a central seat 1.Interval angle between the adjacent connecting rod 2 can be regulated, according to the quantity of Foot of chair different or according to actual needs difference regulate, unrestricted.The chair rising device can comprise the leg of a plurality of connecting rods and respective amount, between a plurality of connecting rods along the even distributed and arranged of circumference.The chair rising device can also comprise two connecting rods, two legs and a central seat.Interval between two connecting rods can be regulated between zero degree to 180 degree.Be 180 when spending between two connecting rods, the chair rising device is type linearly.Rising device can independently use, and also can a plurality of combinations use.Chair or other furniture can be placed on one or more rising devices during use.
In the use, need get out bracing or strutting arrangement, be that pull out connecting rod successively at the center with the pedestal from the accommodating groove of fixing lower casing, keeps rotating leg again on the same horizontal plane until each connecting rod and pedestal, makes leg and connecting rod be vertical and fixing.Then, the stretching connecting rod cooperates until the size of its length with the spacing of each Foot of chair, then the foot bottom of chair is stuck in respectively in the position of incorporating section, bottom of each leg.The chair placement is fixed on the utility model device, the height of chair is improved.
When using end need pack up the chair rising device, the chair pin is taken out from the position, incorporating section, bottom of leg, it is taken off from bracing or strutting arrangement.Rotate leg to itself and connecting rod and be same water surface direction.Because of the automatic contraction of the spring 24 that is provided with in the connecting rod, interior bar 22 can draw in outside in the bar 21 automatically, outside interior bar 21 is accommodated in fully in the bar 22.Perhaps, can also radially promote the inside and outside bar of connecting rod, make the connecting rod contraction in length, outside interior bar is accommodated in fully in the bar to the pedestal center position.The bar that is rotationally connected drives the rotation that is stuck in the spherical connector in the central seat, thereby connecting rod is drawn in, and as shown in Figure 6, whole chair rising device is tightened to minimum volume, is easy to carry or stores.
The material of the utility model is unrestricted, can effectively bear chair or other furniture for suitable, can adopt plastics, resin, metal, wooden, bamboo matter or other any materials.The utility model chair rising device is collapsible flexible, is easy to carry, and Stability Analysis of Structures, and method for using is simple and easy.Also can be used for increasing the height that other furniture include but not limited to facilities such as tables and chairs, cabinet, ladder, also applicable to the height that improves other products for civilian use or industrial equipment.Based on other embodiments that increase of the utility model inventive concept, all at the protection domain of the utility model.
Claims (10)
1. a chair rising device is characterized in that, comprises central seat (1), at least two connecting rods (2), and at least two legs (3); One end of said connecting rod (2) is fixedly connected on said central seat (1), and said connecting rod (2) stretches out along circumference from central seat (1), and said leg (3) rotatably is connected the other end of said connecting rod (2).
2. chair rising device as claimed in claim 1 is characterized in that, said central seat (1) comprises fixedly upper casing (11) and fixedly lower casing (12); Said fixedly upper casing (11) is provided with holddown groove (13), and accommodating groove (14) is set on the said fixedly lower casing (12); One end of said connecting rod (2) is provided with connector (23); Said connector (23) is arranged in said holddown groove (13) and the said accommodating groove (14) movably, and said connector (23) drives said connecting rod (2) and rotates in the horizontal direction or on the vertical direction.
3. chair rising device as claimed in claim 1 is characterized in that, said connecting rod (2) comprises outer bar (21) and interior bar (22); Said outer bar (21) is hollow structure; Bar (22) telescopically is set in the cavity of said outer bar (21) in said.
4. chair rising device as claimed in claim 3; It is characterized in that; Bar (22) is connected with outer bar (21) through elastomeric element (24) in said; Said elastomeric element (24) one ends and said interior bar (22) bottom are fixing, and said elastomeric element (24) other end is connected with the bottom of said outer bar (21).
5. chair rising device as claimed in claim 1 is characterized in that, said leg (3) is provided with incorporating section (31), bottom.
6. chair rising device as claimed in claim 1 is characterized in that, the cross section of said leg (3) is the shape of a hoof.
7. chair rising device as claimed in claim 1 is characterized in that, said leg (3) can rotate around said outer bar (21).
8. chair rising device as claimed in claim 1 is characterized in that, said leg (3) further is provided with foot branching pad (32) or leg increases parts (33).
9. chair rising device as claimed in claim 1 is characterized in that, the cross section of said connecting rod (2) is square, triangle or circle.
10. chair rising device as claimed in claim 1 is characterized in that, said chair rising device comprises four connecting rods (2) and four legs (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188118 CN202567200U (en) | 2012-04-28 | 2012-04-28 | Chair heightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188118 CN202567200U (en) | 2012-04-28 | 2012-04-28 | Chair heightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202567200U true CN202567200U (en) | 2012-12-05 |
Family
ID=47236673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220188118 Expired - Fee Related CN202567200U (en) | 2012-04-28 | 2012-04-28 | Chair heightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202567200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724250A (en) * | 2016-11-28 | 2017-05-31 | 大连理工大学 | A kind of Portable foldable chairs |
| CN113483637A (en) * | 2021-08-06 | 2021-10-08 | 上海菲利华石创科技有限公司 | Temporary rapid detection device and method for thick quartz plate groove for semiconductor |
-
2012
- 2012-04-28 CN CN 201220188118 patent/CN202567200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724250A (en) * | 2016-11-28 | 2017-05-31 | 大连理工大学 | A kind of Portable foldable chairs |
| CN113483637A (en) * | 2021-08-06 | 2021-10-08 | 上海菲利华石创科技有限公司 | Temporary rapid detection device and method for thick quartz plate groove for semiconductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140428 |