CN203987014U - A kind of chair with backrest - Google Patents
A kind of chair with backrest Download PDFInfo
- Publication number
- CN203987014U CN203987014U CN201420456715.3U CN201420456715U CN203987014U CN 203987014 U CN203987014 U CN 203987014U CN 201420456715 U CN201420456715 U CN 201420456715U CN 203987014 U CN203987014 U CN 203987014U
- Authority
- CN
- China
- Prior art keywords
- adjuster
- backrest
- inserted block
- back rest
- chair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of chair with backrest, comprise: seat, seat cushion, seat cushion base, backrest, foot rest, elevating lever, described backrest rear is provided with two vertical back rest supports pipes, back rest supports pipe is provided with along the backrest height adjuster of back rest supports pipe lifting, backrest height adjuster is fixedly connected with the panel at backrest rear, back rest supports pipe is provided with grafting locating hole, the height that backrest height adjuster regulates by grafting locating hole location backrest.The utility model provides a kind of chair with backrest, and this chair can arbitrarily regulate according to user's needs the height of backrest, and easy to adjust; Owing to adopting backrest height adjuster, two adjuster tube and the socket of back rest supports pipe, up-down adjustment stability is better, and use can not rocked, and durable, attractive in fashion.
Description
Technical field
The utility model relates to a kind of chair, particularly relates to a kind of chair with backrest.
Background technology
The kind of chair is a lot, but mostly chair is fixing backrest, difference due to the different height of user and stature, not that everyone uses the backrest of same height very comfortable, this backrest with regard to demand chair with backrest can lift adjustment, therefore develops a kind of chair that can lift adjustment backrest just very necessary.
Summary of the invention
The purpose of this utility model is exactly over against above-mentioned defect, and a kind of chair with backrest is provided.
For achieving the above object, the utility model adopts following technical scheme:
A kind of chair with backrest, comprise: seat, seat cushion, seat cushion base, backrest, foot rest, elevating lever, seat is provided with seat cushion, the bottom of seat cushion base is provided with elevating lever, elevating lever lower end is provided with foot rest, described backrest rear is provided with two vertical back rest supports pipes, back rest supports pipe is provided with along the backrest height adjuster of back rest supports pipe lifting, backrest height adjuster is fixedly connected with the panel at backrest rear, back rest supports pipe is provided with grafting locating hole, the height that backrest height adjuster regulates by grafting locating hole location backrest.
Described backrest height adjuster comprises two adjuster tube, adjuster inserted block, adjuster starts piece, between two described adjuster tube, be provided with the connecting plate being connected as a single entity with two adjuster tube, two adjuster tube and two back rest supports pipe pivot bush units, the rear side of connecting plate is provided with the horizontal regulating block inserted block groove in left and right, adjuster inserted block is located in regulating block inserted block groove and can moves left and right, adjuster inserted block wherein one end is provided with adjuster dop, the top of connecting plate rear side is provided with adjuster sliding bar jack, the bottom of connecting plate rear side is provided with sliding shoe slot, the front portion of connecting plate is provided with and backrest connection fixing block, described adjuster starts piece and is comprised of adjuster sliding bar, ramp blocks, sliding shoe, handle, the upper end connection adjustor sliding bar of ramp blocks, adjuster sliding bar top is plugged in adjuster sliding bar jack, adjuster sliding bar bottom is provided with Compress Spring, the lower end of ramp blocks connects sliding shoe, sliding shoe is located in sliding shoe slot, and regulator handle is located at adjuster and starts piece lower end, and adjuster sliding bar, ramp blocks, sliding shoe, regulator handle are connected as a single entity, described adjuster inserted block is horizontally disposed with, and its middle part is provided with inserted block hole, and ramp blocks activity is plugged in inserted block hole, and drives adjuster inserted block laterally to do the action of pegging graft with the locating hole of pegging graft when pressing the action of regulator handle upward and downward.
Described adjuster starts piece and is provided with snap close.
Described back rest supports pipe is provided with handle.
Contribution of the present utility model has been to provide a kind of chair with backrest, and this chair can arbitrarily regulate according to user's needs the height of backrest, and easy to adjust; Owing to adopting backrest height adjuster, two adjuster tube and the socket of back rest supports pipe, up-down adjustment stability is better, and use can not rocked, and durable, attractive in fashion.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of one of them embodiment of the utility model.
Fig. 2 is the schematic perspective view that backrest height adjuster removes back cover plate.
Fig. 3 is the schematic perspective view at another visual angle of backrest height adjuster.
Fig. 4 removes the schematic diagram of movable part in Fig. 2.
Fig. 5 is the schematic perspective view at another visual angle of Fig. 4.
Fig. 6 is that adjuster starts the schematic perspective view that piece is connected with adjuster inserted block.
Fig. 7 is the schematic perspective view that adjuster starts piece.
Fig. 8 is the schematic perspective view of adjuster inserted block.
Fig. 9 is the schematic perspective view of back rest supports pipe.
Figure 10 is the local enlarged diagram in A place of Fig. 9.
The specific embodiment
As shown in Figure 1, the utility model comprises: seat, seat cushion 8, seat cushion base 3, backrest 7, foot rest 1, elevating lever 2, seat is provided with seat cushion 8, the bottom of seat cushion base is provided with elevating lever, elevating lever lower end is provided with foot rest 1, described backrest rear is provided with two vertical back rest supports pipes 4, back rest supports pipe is provided with along the backrest height adjuster 5 of back rest supports pipe lifting, the screw fixed hole 522 of the panel 7 at backrest height adjuster and backrest rear by adjuster is screwed and is connected, back rest supports pipe 4 is provided with grafting locating hole 41, the height that backrest height adjuster 5 regulates by grafting locating hole location backrest.
As shown in Fig. 2 to Fig. 9, described backrest height adjuster comprises two adjuster tube 51, adjuster inserted block 54, adjuster starts piece 53, the back side of backrest height adjuster is provided with back cover plate 56, inner element be can't see, between two described adjuster tube, be provided with the connecting plate 52 being connected as a single entity with two adjuster tube, before this connecting plate, connect backrest connection fixing block 55, and connect as one with connecting plate and two adjuster tube 51, this part is moulding, connecting plate is provided with 4 screw fixed holes 522, by four screws and backrest, fix, therefore fixation.Two adjuster tube and two back rest supports pipe 4 pivot bush units, the rear side of connecting plate is provided with the horizontal regulating block inserted block groove 525 in left and right, adjuster inserted block 54 is located in regulating block inserted block groove and can moves left and right, adjuster inserted block wherein one end is provided with adjuster dop 541, the adjuster tube of the side that adjuster dop connects is provided with jack 524, the top of plate rear side is provided with adjuster sliding bar jack 523, the bottom of connecting plate rear side is provided with sliding shoe slot 526, and the front portion of connecting plate is provided with and backrest connection fixing block 55, described adjuster starts piece 53 by adjuster sliding bar 532, ramp blocks 533, sliding shoe 535, handle 536 forms, ramp blocks 533 is that the cross section being obliquely installed is rectangular bar, machine vertically arranges, lopsidedness wherein, because ramp blocks tilts and knee-action, adjuster inserted block 54 is just meeting horizontal slip under the effect of tilting bar, in slip, adjuster inserted block 54 plugs insert in grafting locating hole 41, thereby make the backrest after regulating wait until location, further illustrate its structure below: the upper end connection adjustor sliding bar of ramp blocks, adjuster sliding bar top is plugged in adjuster sliding bar jack, adjuster sliding bar bottom is provided with Compress Spring 531, the lower end of ramp blocks connects sliding shoe 535, sliding shoe is located in sliding shoe slot 526, regulator handle 536 is located at adjuster and starts piece lower end, adjuster sliding bar 532, ramp blocks 533, sliding shoe 535, regulator handle 536 is connected as a single entity, described adjuster inserted block 54 is horizontally disposed with, and its middle part is provided with inserted block hole 542, and ramp blocks 533 activities are plugged in inserted block hole, and drives adjuster inserted block laterally to do the action of pegging graft with the locating hole 41 of pegging graft when pressing regulator handle 536 upward and downward actions.Described adjuster starts piece and is provided with snap close 534.Described back rest supports pipe is provided with handle 6.
The utility model is not limited to described implementation method, and under the utility model design that does not exceed claim, the personnel for having the ABC in field under the utility model, can implement a lot of distortion, and these modification also belong to scope of the present utility model.
Claims (4)
1. the chair with backrest, comprise: seat, seat cushion (8), seat cushion base (3), backrest (7), foot rest (1), elevating lever (2), seat is provided with seat cushion (8), the bottom of seat cushion base is provided with elevating lever, elevating lever lower end is provided with foot rest (1), it is characterized in that: described backrest rear is provided with vertical two back rest supports pipes (4), back rest supports pipe is provided with the backrest height adjuster (5) along the lifting of back rest supports pipe, backrest height adjuster is fixedly connected with the panel at backrest rear, back rest supports pipe (4) is provided with grafting locating hole (41), the height that backrest height adjuster (5) regulates by grafting locating hole location backrest.
2. a kind of chair with backrest according to claim 1, it is characterized in that: described backrest height adjuster comprises two adjuster tube (51), adjuster inserted block (54), adjuster starts piece (53), between two described adjuster tube, be provided with the connecting plate being connected as a single entity with two adjuster tube, two adjuster tube and two back rest supports pipes (4) pivot bush unit, the rear side of connecting plate is provided with the horizontal regulating block inserted block groove (525) in left and right, adjuster inserted block (54) is located in regulating block inserted block groove and can moves left and right, adjuster inserted block wherein one end is provided with adjuster dop (541), the top of connecting plate rear side is provided with adjuster sliding bar jack (523), the bottom of connecting plate rear side is provided with sliding shoe slot (526), the front portion of connecting plate is provided with and backrest connection fixing block (55), described adjuster starts piece (53) by adjuster sliding bar (532), ramp blocks (533), sliding shoe (535), handle (536) forms, the upper end connection adjustor sliding bar of ramp blocks, adjuster sliding bar top is plugged in adjuster sliding bar jack, adjuster sliding bar bottom is provided with Compress Spring (531), the lower end of ramp blocks connects sliding shoe (535), sliding shoe is located in sliding shoe slot (526), regulator handle (536) is located at adjuster and starts piece lower end, adjuster sliding bar (532), ramp blocks (533), sliding shoe (535), regulator handle (536) is connected as a single entity, described adjuster inserted block (54) is horizontally disposed with, its middle part is provided with inserted block hole (542), ramp blocks (533) activity is plugged in inserted block hole, and drives adjuster inserted block laterally to do the action of pegging graft with the locating hole of pegging graft (41) when pressing the action of regulator handle (536) upward and downward.
3. a kind of chair with backrest according to claim 2, is characterized in that: described adjuster starts piece and is provided with snap close (534).
4. a kind of chair with backrest according to claim 2, is characterized in that: described back rest supports pipe is provided with handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456715.3U CN203987014U (en) | 2014-08-14 | 2014-08-14 | A kind of chair with backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456715.3U CN203987014U (en) | 2014-08-14 | 2014-08-14 | A kind of chair with backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203987014U true CN203987014U (en) | 2014-12-10 |
Family
ID=52027114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456715.3U Expired - Fee Related CN203987014U (en) | 2014-08-14 | 2014-08-14 | A kind of chair with backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203987014U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236245A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | The adjustable chair of backrest height |
| CN108236242A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | Chair |
| CN108236244A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | The adjustable chair of the chair back |
| CN108835991A (en) * | 2018-06-30 | 2018-11-20 | 芜湖锋珉信息科技有限公司 | A kind of office seating of adjustable backrest |
-
2014
- 2014-08-14 CN CN201420456715.3U patent/CN203987014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236245A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | The adjustable chair of backrest height |
| CN108236242A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | Chair |
| CN108236244A (en) * | 2016-12-27 | 2018-07-03 | 中山利德丰造船有限公司 | The adjustable chair of the chair back |
| CN108835991A (en) * | 2018-06-30 | 2018-11-20 | 芜湖锋珉信息科技有限公司 | A kind of office seating of adjustable backrest |
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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: 20141210 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |