CN206910107U - The front-back position regulating mechanism and chair of the chair back - Google Patents
The front-back position regulating mechanism and chair of the chair back Download PDFInfo
- Publication number
- CN206910107U CN206910107U CN201621491994.2U CN201621491994U CN206910107U CN 206910107 U CN206910107 U CN 206910107U CN 201621491994 U CN201621491994 U CN 201621491994U CN 206910107 U CN206910107 U CN 206910107U
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- Prior art keywords
- support
- chair back
- chair
- fixed mount
- connecting seat
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Abstract
It the utility model is related to the front-back position regulating mechanism of the chair back, chair frame includes connecting seat, seat support fixed mount and chair back fixed mount, chair back fixed mount includes first support and second support, the front end of first support and the side arm of connecting seat connect, chair back connector is arranged on the rear end of second support, relative position between first support and second support can adjust, and so as to change the length of chair back fixed mount, realize the movable of the chair back.The utility model further relates to the chair with above-mentioned front-back position regulating mechanism.
Description
Technical field
It the utility model is related to office furniture apparatus field, more particularly to the front-back position regulating mechanism and chair of a kind of chair back
Son.
Background technology
The chair frame and chair of prior art, concentrate on substantially and changes of function is carried out on the handrail and Chair underpan of chair, and
Seat position is substantially stationary immovable.On the other hand, the chair back adjusts before and after can not being carried out according to the actual demand of user,
It has been short of in the comfort level used.Meanwhile the chair frame or chair of existing chair back adjustable inclination, general reclining adjustment structure or incline
The fixed structure faced upward after adjusting is extremely complex, and use is also inconvenient.
Utility model content
In order to solve the above problems, one of the purpose of this utility model is the front and back position regulation machine for providing a kind of chair back
Structure.
Another object of the present utility model is to provide a kind of adjustable chair of chair back front and back position.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：
The front-back position regulating mechanism of the chair back, chair frame include connecting seat, seat support fixed mount and chair back fixed mount, the chair back and fixed
Frame includes first support and second support, and position adjusting mechanism is provided between first support and second support；Before first support
End is connected with the side arm of connecting seat, and chair back connector is arranged on the rear end of second support, is set along its length in first support
A walking trough is put, is provided with equally distributed neck along its length in the walking trough, the position adjusting mechanism includes
Adjusting knob and a pair of links being connected with adjusting knob, two connecting rods are respectively clamped into adjacent two neck in walking trough
In, rotation of adjustment knob can drivening rod moved in walking trough, connector fixing groove is opened up in second support, connector is fixed
Connector is fixed with groove, linkage fasteners are installed on connector, linkage fasteners can opposite joints rotate, the walking
Groove is oppositely arranged with fixing groove, and one end of connecting rod penetrates the connector fixing groove, and plugged and fixed is in the linkage fasteners
On.Said structure is set, and a pair of links movement in walking trough can be driven to realize first support and second by adjusting knob
Relative position between frame, so as to change the length of chair back fixed mount, realize the movable of the chair back.Pass through adjusting knob and connecting rod
Coordinate the length of regulation first support and second support, it is easy to use.
As optimal technical scheme, first support is provided with a long lumbar hole, and long lumbar hole is located at the front side of walking trough, second
Frame is provided with connecting hole corresponding with the long lumbar hole, sets slide bar to connect long lumbar hole and connecting hole.Pass through long lumbar hole, connecting hole
And slide bar can guarantee that steady after the expansion of chair back fixed mount with one tie point of increase between first support and second support is combined into
It is qualitative.
As optimal technical scheme, connecting seat includes connecting bottom board and two sides being arranged at left and right sides of connecting bottom board
Arm, the side arm of connecting seat at least Upper vertical are set, and the connecting bottom board and side arm of connecting seat are integrated setting, bottom plate and side arm it
Between pass through arc or swash plate and connect, the steel construction of connecting seat generally " u "-shaped.Connecting seat intensity itself is big, and be easy to and its
He connects part, is advantageous to simplify chair frame structure.
A kind of chair, include the front-back position regulating mechanism of the chair back as described above.The front and rear of the chair back can easily be realized
Regulation.
In summary, the front-back position regulating mechanism of the chair back of the present utility model, a pair of companies can be driven by adjusting knob
Bar mobile relative position realized between first support and second support in walking trough, so as to change the length of chair back fixed mount,
Realize the movable of the chair back.Coordinate the length of regulation first support and second support, user by adjusting knob and connecting rod
Just.
Brief description of the drawings
Fig. 1 is the structural representation of chair in the utility model（Except base portion）.
Fig. 2 is the structural representation of another angles of Fig. 1.
Fig. 3 is chair frame structural representation.
Fig. 4 is the structural representation of another angles of Fig. 3.
Fig. 5 is enlarged drawing at the A in Fig. 3.
Fig. 6 is the explosive view of the chair back fixed mount in the utility model.
Fig. 7 is the structural representation of another angle of chair back fixed mount.
Fig. 8 is the explosive view of first order governor motion in the utility model.
Fig. 9 is the structural representation of connecting bracket in the utility model.
Figure 10 is the structural representation of second level governor motion in the utility model.
Figure 11 is the schematic diagram of another angles of Figure 10.
Embodiment
The preferred embodiment of this patent is described in further detail below in conjunction with the accompanying drawings.
A kind of chair frame as shown in Fig. 3-Figure 11, including connecting seat 1, seat support fixed mount 2 and chair back fixed mount 3.
Connecting seat 1 includes connecting bottom board and two side arms being arranged at left and right sides of connecting bottom board, and the side arm of connecting seat 1 is extremely
Few Upper vertical is set, in the attachment structure that the vertical portion of side arm is provided for being connected with miscellaneous part.The connection of connecting seat 1
Bottom plate is provided with leg fixed part, and is correspondingly provided with regulation handle, and the leg in the present embodiment includes regulation gas bar, chair leg and rolling
Wheel, the regulation handle are used for the height for adjusting regulation gas bar.The connecting bottom board and side arm of connecting seat 1 in the present embodiment are one
Body is set, and is connected between bottom plate and side arm by arc or swash plate, connecting seat is generally similar to the steel construction of " u "-shaped.
Seat support fixed mount 2 includes bottom plate 21 and the linking arm 22 being arranged at left and right sides of bottom plate, the bottom plate of seat support fixed mount 2
21 is horizontally disposed, which is provided with least two connection sheets 211 for being connected with seat support, the connection sheet 211 is weldingly fixed on
The upper side of bottom plate 21, seat support are bolted in connection sheet.As in Figure 3-5, the linking arm 22 of seat support fixed mount 2 with
The side arm of connecting seat 1 is hinged, and seat support fixed mount 2 is located at the inner side of connecting seat 1, and seat support fixed mount 2 front and rear with respect to connecting seat 1 can be put
It is dynamic.Running clearance is left between the bottom of seat support fixed mount 2 and the bottom of connecting seat 1, bottom fixing frame 2 is before relative connecting seat 1
The bottom of connecting seat 1 will not be contacted during swinging afterwards.In the present embodiment, between the linking arm 22 and bottom plate 21 of seat support fixed mount
Connected by swash plate or arc, seat support fixed mount 22 is integrated the steel construction of setting.In order to limit, seat support fixed mount 2 is front and rear to be put
Dynamic angle, as shown in figure 5, the front and rear sides on the swaying direction of linking arm are respectively equipped with the first limited block 11 and the second limit
Position block 12.The first limited block 11 and the second limited block 12 in the present embodiment are arranged on the inner side of the side arm of connecting seat 1.
As shown in fig. 6-7, chair back fixed mount 3 includes first support 31 and second support 32, the front end of first support 31 with
The chair back connector for fixing the chair back is installed in the side arm connection of connecting seat 1, the rear end of second support 32, first support 31 and the
Position adjusting mechanism is provided between two supports 32.One walking trough 311, the row are set along its length in first support 31
Walk and be provided with equally distributed neck in groove 311 along its length.The position adjustment structure include adjusting knob 33 and with tune
A pair of links 34 of knob connection is saved, two connecting rods 34 are respectively clamped into adjacent two neck in walking trough 311, rotation rotation
Button 33 can drivening rod 34 moved in walking trough 311.Connector fixing groove 321 is opened up in second support 32, connector is fixed
Connector 35 is fixed with groove 321, linkage fasteners 36 are installed on connector 35, linkage fasteners 36 can opposite joints 35
Rotate.The walking trough 311 is oppositely arranged with fixing groove 321, and one end of connecting rod 34 penetrates the connector fixing groove 321, and
Plugged and fixed is on the linkage fasteners 36.
In the present embodiment, when adjusting knob is rotated clockwise into 180 °, front side connecting rod position is constant, only the card where it
180 ° are rotated in groove, rear side connecting rod rotates 180 ° of necks being entrapped in its rotation direction centered on front side connecting rod, and connecting rod turns
Dynamic drivening rod fixture 36 rotates around connector 35, at the same second support 32 with respect to first support 31 be retracted forward one section away from
From.When adjusting knob is rotated counterclockwise into 180 °, rear side connecting rod position is constant, and only 180 ° of rotation in the neck where it, preceding
Side connecting rod rotates 180 ° of necks being entrapped in its rotation direction, link rotatable drivening rod fixture centered on rear side connecting rod
36 rotate around connector 35, while second support 32 deploys a segment distance backward with respect to first support 31.Can by said structure
The convenient length adjustment for realizing chair back fixed mount, the front and back position of the chair back can be adjusted according to the actual demand of user.Enter one
Step, adjusting knob 33 are slidably mounted on the side of first support 31 by frame-type support 37.And first support 31 is provided with a length
Waist hole 312, long lumbar hole 312 are located at the front side of walking trough 311, and second support 32 is provided with connect corresponding with the long lumbar hole 312
Hole 322 is connect, sets slide bar to connect long lumbar hole 312 and connecting hole 322.In the process that the length of first support and second support changes
In, slide bar slides along long lumbar hole, and long lumbar hole can play a part of guiding, and slide bar can play a supporting role, and fix the chair back
Frame also has higher stability when being in most long status.
The side arm of the front end of chair back fixed mount 3 and connecting seat is hinged, and the present embodiment as shown in Figure 3-Figure 5, is fixed in the chair back
Upper end in the rotation direction of frame 3 is provided with the 3rd limited block 13, and the second limited block 12 is simultaneously positioned at the rotation of first support 31
Lower end on direction, the model rotated upwardly and downwardly of limitation chair back fixed mount 3 is coordinated by the 3rd limited block 13 and the second limited block 12
Enclose.The linking arm 22 of chair back fixed mount 3 and seat support fixed mount 2, which has, shares the second limited block 12 of limit, and chair back fixed mount 3 and company
Pin joint between joint chair 1 and between seat support fixed mount 2 and connecting seat 3 overlaps, and makes the mounting structure of chair frame compact.
Chair frame sets two-stage chair back-rest inclination governor motion.As shown in figure 8, the lower section of chair back fixed mount 3 sets gradually the first bullet
Property support member and roll adjustment handle 42, the first elastic supporting member for supporting optical member and the inclined shore chair back fixed mount 3 of roll adjustment handle 42.By external force
Chair back fixed mount 3, which is rotated down, afterwards drives chair back reclining backward, while the first elastic supporting member for supporting optical member of extruding of chair back fixed mount 3 makes its hair
Raw deformation, the opposition of the first elastic supporting member for supporting optical member resets chair back fixed mount after external force is cancelled, the chair back fixed mount
3rd, the first elastic supporting member for supporting optical member and roll adjustment handle 42 form first order chair back-rest inclination governor motion.
Roll adjustment handle 42 includes rotary head, and the rotary head of roll adjustment handle 42 can rotate around the rotating fulcrum that a position is fixed,
First elastic supporting member for supporting optical member is limited between the circumferential edge of chair back fixed mount 3 and the rotary head of roll adjustment handle 42.The week of rotary head
To edge to the distance of rotating fulcrum, in the rotation process of roll adjustment handle, the compressed degree of the first elastic supporting member for supporting optical member
It is different.
The first elastic supporting member for supporting optical member in the present embodiment includes the first spring 41, limit plunger 44 and fixed block 45, the first spring
41 upper end is spacing by limit plunger 44, and first support is provided with positioning convex 313 directed downwardly, limit plunger 44 be provided with it is described
The neck that positioning convex 313 coordinates, fixed block 45 are provided with fixing groove, and the lower end of the first spring 41 is arranged on the fixing groove
In.Fixed block 45 is connected to the circumferential edge of the rotary head of roll adjustment handle 42, in the inclined shore chair back fixed mount of the first spring 41
First support 31.Above-mentioned first order governor motion is set, and chair back fixed mount 3 can turn downwards around connecting seat under external force
Dynamic, after it rotates a segment distance, chair back fixed mount 3 is contacted with the second limited block 12 so as to be further continued for rotating down.By
It is compressed in the first spring between chair back fixed mount and roll adjustment handle, by adjusting the contact between roll adjustment handle and fixture
Face, can change when the first spring is located at original state by compression distance, rotate power needed for chair back fixed mount so as to adjust
Size.Because the chair back is arranged on the rear end of chair back fixed mount, the chair back is exerted a force backward can rotate down chair back fixed mount 3, from
And chair back reclining backward is driven, thus form first order chair back-rest inclination governor motion.And it is fixed with first support along
The finger catch 46 that the compression direction of one elastic supporting member for supporting optical member is set.
As shown in Figure 10 and Figure 11, chair back connector includes connecting bracket 54, and connecting bracket 54 is cut with scissors with chair back fixed mount 3
Connect, and waist hole A323 is set to limit the scope that connecting bracket 54 rotates relative to chair back fixed mount 3 on chair back fixed mount 3；Chair
The back of the body is arranged in connecting bracket 54, and the rotation of connecting bracket 54 drives reclining before and after the chair back；It is provided with the front side of connecting bracket 54
Second elastic supporting member for supporting optical member, connecting bracket 54 backward reclining while the second elastic supporting member for supporting optical member can be made to deform, said structure structure
Into second level chair back-rest inclination governor motion.
Connecting bracket 54 in the present embodiment is arranged in second support 32, and waist hole A323 is also disposed at second support 32
On.
The second elastic supporting member for supporting optical member in the present embodiment includes connecting rod 52 and second spring 51, and second spring 51 is enclosed on connection
The periphery of bar 52, the rear end of connecting rod 52 are fixed in second support 32 after passing through connecting bracket 54, and second spring 51 is limited
Between the front end of connecting rod 52 and connecting bracket 32.
Connecting bracket in the present embodiment is as shown in figure 9, connecting bracket 54 includes the first connecting plate 541 and the second connecting plate
542, the first connecting plate 541 and second support 32 are be hinged, and the second connecting plate 542 is set towards chair front side, the second connecting plate 542
For fixing the chair back, and hole 5421 is being which is provided with, connecting rod 52 is passed through from the hole, and fortune up and down can be done along hole 5421
It is dynamic so that reclining before and after connecting bracket 54 can be completed.
To facilitate installation, the rear end of second support is bent inwards, the rear end of connecting rod 52 is provided with screw thread, connecting rod 52
Rear end coordinates with nut is fixed on second support rear end.
When applying power backward to the chair back, first order governor motion is acted on first, and chair back fixed mount 3 is overall to be rotated down
To after maximum angle, continue to exert a force to the chair back, chair back fixed mount 3 can not drive continuation downward, and connecting bracket 54 is around second
Frame 32 rotates, while by waist hole A323 limiting rotation angles, continues to drive chair back reclining one end distance backward.
Above-mentioned chair frame structure, handrail fixed mount can be set, handrail fixed mount includes supporting plate and balustrade panel, and supporting plate is fixed
In the outside of the side arm of connecting seat, the side arm of the connecting seat in the present embodiment is provided with plugged and fixed set, and supporting plate is directly inserted
Connect and be fixed in the plugged and fixed set, balustrade panel is vertically mounted on the upper end of supporting plate, installs armrest assembly on balustrade panel, helps
Hand component can armrest plate all around move.
A kind of office chair, as depicted in figs. 1 and 2, including chair frame, seat support, the chair back, handrail and leg, chair frame press above-mentioned knot
Structure is set, and leg is not illustrated in figure, and seat support is fixed on seat support link, and handrail is fixed on the side arm upper end of connecting seat, chair
The back of the body is fixed on two chair back connectors in chair frame, is connected between the chair back fixed mount of both sides by protective plate 6, the protection
Plate is located at the rear side of the chair back.Side seal board is respectively equipped with the outside of connecting seat and chair back fixed mount, makes chair frame overall structure
It is more attractive in appearance.
Claims (4)
1. the front-back position regulating mechanism of the chair back, it is characterised in that chair frame includes connecting seat（1）, seat support fixed mount（2）And the chair back
Fixed mount（3）, chair back fixed mount（3）Including first support（31）And second support（32）, first support（31）And second support
（32）Between be provided with position adjusting mechanism；First support（31）Front end and connecting seat（1）Side arm connection, the chair back connector peace
Mounted in second support（32）Rear end, first support（31）On a walking trough is set along its length（311）, the walking
Groove（311）In be provided with equally distributed neck along its length, the position adjusting mechanism includes adjusting knob（33）With with
A pair of links of adjusting knob connection（34）, two connecting rods（34）It is respectively clamped into walking trough（311）In adjacent two neck
In, rotation of adjustment knob（33）Can drivening rod（34）In walking trough（311）Middle movement, second support（32）On open up connector
Fixing groove（321）, connector fixing groove（321）Inside it is fixed with connector（35）, connector（35）On linkage fasteners are installed
（36）, linkage fasteners（36）Can opposite joints（35）Rotate, the walking trough（311）With fixing groove（321）It is oppositely arranged,
Connecting rod（34）One end penetrate the connector fixing groove（321）, and plugged and fixed is in the linkage fasteners（36）On.
2. the front-back position regulating mechanism of the chair back according to claim 1, it is characterised in that first support（31）It is provided with
One long lumbar hole（312）, long lumbar hole（312）Positioned at walking trough（311）Front side, second support（32）It is provided with and the long lumbar hole
（312）Corresponding connecting hole（322）, set slide bar to connect long lumbar hole（312）And connecting hole（322）.
3. the front-back position regulating mechanism of the chair back according to claim 1, it is characterised in that connecting seat（1）Including connection
Bottom plate and two side arms being arranged at left and right sides of connecting bottom board, connecting seat（1）Side arm at least Upper vertical set, connecting seat
（1）Connecting bottom board and side arm be integrated setting, connected between bottom plate and side arm by arc or swash plate, connecting seat is generally
The steel construction of " u "-shaped.
A kind of 4. chair, it is characterised in that the front and back position regulation machine including the chair back as any one of claim 1-3
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491994.2U CN206910107U (en) | 2016-12-31 | 2016-12-31 | The front-back position regulating mechanism and chair of the chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491994.2U CN206910107U (en) | 2016-12-31 | 2016-12-31 | The front-back position regulating mechanism and chair of the chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206910107U true CN206910107U (en) | 2018-01-23 |
Family
ID=61310250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621491994.2U Active CN206910107U (en) | 2016-12-31 | 2016-12-31 | The front-back position regulating mechanism and chair of the chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206910107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724268A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
-
2016
- 2016-12-31 CN CN201621491994.2U patent/CN206910107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724268A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
| CN106724268B (en) * | 2016-12-31 | 2024-04-09 | 恒林家居股份有限公司 | Chair back front and back position adjusting mechanism and chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 313300, Zhejiang, Huzhou province Anji County Road, 378, 380, No. Patentee after: Henglin Furniture Co., Ltd Address before: 313300 sunlight industrial park three district, Anji County Di Pu town, Huzhou City of Zhejiang Province Zhejiang Heng Lin Chairs Co., Ltd Patentee before: Zhejiang Henglin Chair Industrial Company |
|
| CP03 | Change of name, title or address |