CN216438860U - Telescopic chair adjusting mechanism and chair composite adjuster - Google Patents
Telescopic chair adjusting mechanism and chair composite adjuster Download PDFInfo
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- CN216438860U CN216438860U CN202123014003.5U CN202123014003U CN216438860U CN 216438860 U CN216438860 U CN 216438860U CN 202123014003 U CN202123014003 U CN 202123014003U CN 216438860 U CN216438860 U CN 216438860U
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Abstract
A telescopic chair adjusting mechanism and a chair composite adjuster are provided, the adjusting mechanism comprises a main track, a main sliding block, accessory tracks and accessory sliding blocks, the main sliding block is arranged in a track groove of the main track in a sliding manner, the accessory tracks are symmetrically arranged on two sides of the main sliding block, the accessory sliding blocks are in one-to-one sliding connection with the accessory tracks, the accessory sliding blocks are perpendicular to the main sliding block in a sliding direction, the accessory sliding blocks are connected with the main sliding block through linkage rods, and two ends of each linkage rod are respectively hinged to the accessory sliding block and the main sliding block; the main track and the accessory tracks on the two sides are respectively fixed on the chair back or the chair seat, and the accessory slide block is fixedly connected with the width telescopic part on the chair seat or the chair back; one end of the main sliding block is connected with the chair seat or the chair back through an elastic body, and the other end of the main sliding block is provided with a traction mechanism for drawing the main sliding block to slide; the composite adjuster comprises a chair back adjusting module and a chair seat adjusting module which adopt the adjusting mechanisms and are linked in parallel. The utility model can realize the linkage adjustment of the height and the width of the chair back.
Description
Technical Field
The utility model belongs to the field of household office work, and particularly relates to a telescopic composite linkage adjusting mechanism. Used for synchronously adjusting the height and the width of the seat in a linkage way.
Background
Present domestic office chair is fixed size basically, can not carry out the size linkage regulation of back and base according to user's height fat thin. The limitation greatly limits the use efficiency and the service life and reduces the use experience effect. In a sense, the material is wasted and cannot be used fully.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a telescopic chair adjusting mechanism and a composite chair adjuster, which can simply and quickly realize the width adjustment of a chair back or a chair seat, can further realize the synchronous linkage adjustment of the widths of the chair back and the chair seat, and keep the relative widths of the chair back and the chair seat unchanged before and after adjustment.
In order to achieve the purpose, the utility model adopts the technical scheme that: a telescopic chair adjusting mechanism comprises a main track, a plurality of main sliding blocks, accessory tracks and accessory sliding blocks, wherein the main sliding blocks are arranged in track grooves of the main track in a sliding mode, the accessory tracks are symmetrically arranged on two sides of the main sliding blocks, the accessory sliding blocks are in one-to-one sliding connection with the accessory tracks, the sliding directions of the accessory sliding blocks and the main sliding blocks are perpendicular, the accessory sliding blocks are connected with the main sliding blocks through linkage rods, and two ends of each linkage rod are respectively hinged to the accessory sliding blocks and the main sliding blocks; the main track and the accessory tracks on the two sides are respectively fixed on the chair back or the chair seat, and the accessory slide block is fixedly connected with the width telescopic part on the chair seat or the chair back; one end of the main sliding block is connected with the chair seat or the chair back through an elastic body, and the other end of the main sliding block is provided with a traction mechanism for drawing the main sliding block to slide.
The traction mechanism is a steel wire rope, a fixed head is installed at the free end of the steel wire rope, and a positioning hole matched with the fixed head is formed in the main sliding block.
The traction mechanism is a steel wire rope, and the free end of the steel wire rope is fixed on the lifting component of the chair back.
And a sliding block limiting mechanism is arranged between the main sliding block and the main track.
The main sliding block is provided with a main sliding groove extending along the length direction of the main sliding block, and the main sliding groove is in sliding fit with a fixed sliding head on the chair back or the chair seat.
And a sliding block limiting mechanism is arranged between the accessory sliding block and the accessory track.
One end of the main sliding block is connected with the chair seat or the chair back through a spring.
Two linkage rods are arranged between the accessory sliding block and the main sliding block.
The utility model provides a compound adjuster of chair, includes back of the chair adjustment module and seat support adjustment module, back of the chair adjustment module and seat support adjustment module all adopt telescopic chair guiding mechanism, the free end of the last drive mechanism of back of the chair adjustment module is connected with the lift position on the back of the chair upper portion, the drive mechanism in the seat support adjustment module is located the inboard of seat support depth direction, the main slider lower extreme at back of the chair adjustment module is fixed to the free end of the last drive mechanism of seat support adjustment module to replace the elastomer on the main slider in the back of the chair adjustment module.
The principle of the utility model is as follows: the width adjustment of the chair back is taken as an example, through carrying and pulling the traction mechanism, can stimulate the main slider to move upwards, because the annex track is fixed for the chair back, consequently, the shifting up of main slider can promote the gangbar and rotate, the gangbar promotes the annex slider again and slides to the outside, and then drives the flexible position of width on the chair back and outwards slides, thereby make the width of the chair back increase, this moment with traction mechanism fix on main slider can, when needs reset, can loosen traction mechanism, under the spring action of spring, the flexible position of width of main slider and the chair back can reset fast. The width adjustment of the seat is similar to the back adjustment.
When the chair back adjusting module and the chair seat adjusting module are connected through the traction mechanism on the chair seat adjusting module to form a composite adjuster, the traction mechanism of the chair back adjusting module is an adjusting switch of the whole composite adjuster, and when the adjusting switch is lifted upwards, on one hand, the main sliding block of the chair back adjusting module is moved upwards to widen the chair back, and on the other hand, the main sliding block of the chair seat adjusting module is horizontally pulled to move through the traction mechanism on the chair seat adjusting module, so that the width of the chair seat is widened; when the traction mechanism of the chair back adjustment module is connected with the lifting part on the chair back, the lifting part can be lifted up to heighten the chair back, and simultaneously the chair back and the chair seat are widened.
The utility model has the beneficial effects that: the utility model can be independently used for adjusting the width of the chair seat or the chair back, and can also be used for synchronously adjusting the height of the chair back and the width of the chair back and the chair seat in a linkage way, the adjusting process is easy to operate, and the structure is simple and durable.
Drawings
FIG. 1 is a schematic view of an adjusting mechanism of a telescopic chair according to the present invention;
FIG. 2 is a schematic diagram of a composite chair adjuster according to the present invention;
FIG. 3 is a rear view of the chair combination adjuster of the present invention;
the labels in the figure are: 1. the device comprises a main track, 2, a main sliding block, 3, an accessory sliding block, 4, an accessory track, 5, a fastening screw, 6, a track sliding groove, 7, a track sliding head, 8, a linkage rod, 9, a spring, 10, a main sliding groove, 11, a fixed sliding head, 12 and a steel wire rope; 100. a chair back adjusting module 200 and a chair seat adjusting module.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples, but the utility model is not limited thereto.
Example 1: the telescopic chair regulating mechanism is arranged on the chair back or the chair seat of a chair and is used for regulating the width of the chair seat or the chair back, the structure of the telescopic chair regulating mechanism is the same whether the telescopic chair regulating mechanism is arranged on the chair back or the chair seat, and the specific structure and the regulating process of the telescopic chair regulating mechanism are described by taking the structure as an example of regulating the width of the chair seat when the structure is arranged on the chair seat.
Referring to fig. 1, the adjusting mechanism comprises a main track 1, a main slider 2, an accessory track 4, an accessory slider 3, a linkage rod 8, a spring 9 and a steel wire rope 12.
The main rail 1 is fixed on the chair seat, the main rail 1 is provided with a rail groove extending along the depth direction of the chair seat, the main sliding block 2 is in a strip shape, one end of the main sliding block 2 is arranged in the rail groove of the main rail 1 in a sliding manner, the other end of the main sliding block is provided with a spring 9, hooks at two ends of the spring 9 are respectively connected with the main sliding block 2 and a fixing frame on the chair seat, one end of the main sliding block 2 opposite to the spring 9 is connected with two steel wire ropes 12 for pulling the main sliding block 2 to slide, the free end of each steel wire rope 12 is provided with a fixing head, and the main sliding block 2 is correspondingly provided with a plurality of positioning holes matched with the fixing heads; the accessory rails 4 are arranged on two sides of the main sliding block 2 and are symmetrically distributed, the accessory rails 4 are fixed on the seat through fastening screws 5, rail grooves in the accessory rails 4 extend in the width direction of the seat, the accessory sliding blocks 3 are arranged in the rail grooves of the accessory rails 4 in a one-to-one sliding mode, one end, far away from the main sliding block 2, of each accessory sliding block 3 is fixedly connected with a width telescopic part on the seat, one end, close to the main sliding block 2, of each accessory sliding block 3 is hinged to one end of a linkage rod 8, the other end of each linkage rod 8 is hinged to the main sliding block 2, and when the width of the seat is the smallest, the linkage rods 8 are inclined relative to the length direction of the main sliding block 2; in the embodiment, a total of four accessory tracks 4 and four accessory sliders 4 are arranged, and each accessory slider 4 is movably connected with the main slider 2 through two linkage rods 8.
When needs increase seat support width, can stimulate wire rope 12, main slider 2 slides along main track 1, main slider 2 drives gangbar 8 and rotates, because annex track 4 is fixed on the seat support, consequently, the rotation of gangbar 8 can be converted into annex slider 3 along the rectilinear movement of annex track 4, with keeping away from main slider 2, and then the flexible position of width that promotes the seat support both sides outwards removes, increase the width of seat support, when 8 main sliders 2 of gangbar perpendicular to, annex slider 3 removes the farthest position, the seat support width is the biggest this moment.
Furthermore, in order to avoid the damage of the mechanism caused by the overlarge moving amplitude of the main sliding block 2 and the accessory sliding block 3, limiting mechanisms can be arranged at different positions. The limiting mechanism comprises sliding block limiting mechanisms arranged between the main track 1 and the main sliding block 2 and between the accessory track 4 and the accessory sliding block 3, and further comprises a main limiting mechanism arranged between the main sliding block 2 and the chair seat.
The sliding block limiting mechanism comprises a track sliding groove 6 arranged on the main track 1 or the accessory track 4 and a track sliding head 7 arranged on the main sliding block 2 or the accessory sliding block 3, the track sliding head 7 is arranged in a sliding mode along the track sliding groove 6, and the track sliding groove 6 extends in the direction corresponding to the track groove. In the limiting mechanism, a track sliding groove 6 is fixed, and a track sliding head 7 slides in the track sliding groove 6.
The main limiting mechanism comprises a main sliding groove 10 arranged on the main sliding block 2 and a fixed sliding head 11 fixedly arranged on the chair seat, and the main sliding groove 10 extends along the moving direction of the main sliding block 2. In this stopper mechanism, the fixed slider 11 is fixed, and the main chute 10 slides on the fixed slider 11.
If the adjusting mechanism is arranged on the chair back, the installation method of the adjusting mechanism is the same as that of the chair seat, and the steel wire rope extends out of the top end of the chair back so as to be convenient to control.
Example 2: chair composite adjustment ware, including back of the chair adjustment module 100 and seat support adjustment module 200, back of the chair adjustment module 100 and seat support adjustment module 200 all adopt embodiment 1 telescopic chair guiding mechanism, two guiding mechanism install respectively on the back of the chair and seat support to main track 1 among the guiding mechanism on the seat support sets up the inboard at the seat support depth direction, cancels the spring 9 of guiding mechanism lower extreme on the back of the chair, and fixes guiding mechanism's on the seat support wire rope 12 on the back of the chair position of the original fixed spring 9 of guiding mechanism lower extreme on the back of the chair, and keeps this wire rope 12's tensioning state, realizes two guiding mechanism's linkage. The steel wire rope of the chair back adjusting mechanism is connected with the lifting part at the upper part of the chair back, and the chair back and the chair seat are widened while the lifting part is lifted to heighten the chair back.
The chair composite adjuster in the embodiment can simultaneously realize synchronous adjustment of the height of the chair back and the width of the chair back and the chair seat. The specific adjustment process is as follows: the steel wire rope 12 of the chair back adjusting module 100 is an adjusting switch of the whole composite adjuster, when the lifting part of the chair back is lifted upwards to pull the steel wire rope 12, the chair back is heightened, meanwhile, the main sliding block 2 of the chair back adjusting module 100 moves upwards to widen the chair back, and further, the main sliding block 2 of the chair seat adjusting module 200 is horizontally pulled to move through the steel wire rope 12 on the chair seat adjusting module 200 to widen the width of the chair seat.
The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those of ordinary skill in the art that the specific embodiments of the present invention can be modified or substituted with equivalents with reference to the above embodiments, and any modifications or equivalents without departing from the spirit and scope of the present invention are within the scope of the claims to be appended.
Claims (9)
1. A telescopic chair guiding mechanism which characterized in that: the auxiliary device comprises a main track, a main sliding block, an accessory track and accessory sliding blocks, wherein the main sliding block is arranged in a track groove of the main track in a sliding manner, a plurality of accessory tracks are symmetrically arranged on two sides of the main sliding block, the accessory sliding blocks are in one-to-one sliding connection with the accessory track, the accessory sliding blocks are perpendicular to the sliding direction of the main sliding block, the accessory sliding blocks are connected with the main sliding block through linkage rods, and two ends of each linkage rod are respectively hinged to the accessory sliding block and the main sliding block; the main track and the accessory tracks on the two sides are respectively fixed on the chair back or the chair seat, and the accessory slide block is fixedly connected with the width telescopic part on the chair seat or the chair back; one end of the main sliding block is connected with the chair seat or the chair back through an elastic body, and the other end of the main sliding block is provided with a traction mechanism for drawing the main sliding block to slide.
2. The telescoping chair adjustment mechanism of claim 1, wherein: the traction mechanism is a steel wire rope, a fixed head is installed at the free end of the steel wire rope, and a positioning hole matched with the fixed head is formed in the main sliding block.
3. The telescoping chair adjustment mechanism of claim 1, wherein: the traction mechanism is a steel wire rope, and the free end of the steel wire rope is fixed on the lifting component of the chair back.
4. The telescoping chair adjustment mechanism of claim 1, wherein: and a sliding block limiting mechanism is arranged between the main sliding block and the main track.
5. The telescoping chair adjustment mechanism of claim 1, wherein: the main sliding block is provided with a main sliding groove extending along the length direction of the main sliding block, and the main sliding groove is in sliding fit with a fixed sliding head on the chair back or the chair seat.
6. The telescoping chair adjustment mechanism of claim 1, wherein: and a sliding block limiting mechanism is arranged between the accessory sliding block and the accessory track.
7. The telescoping chair adjustment mechanism of claim 1, wherein: one end of the main sliding block is connected with the chair seat or the chair back through a spring.
8. The telescoping chair adjustment mechanism of claim 1, wherein: two linkage rods are arranged between the accessory sliding block and the main sliding block.
9. A chair compound adjuster, characterized in that: the telescopic chair adjusting mechanism comprises a chair back adjusting module and a chair seat adjusting module, wherein the chair back adjusting module and the chair seat adjusting module both adopt the telescopic chair adjusting mechanism as claimed in any one of claims 1-8, the free end of a traction mechanism on the chair back adjusting module is connected with the lifting part at the upper part of the chair back, the traction mechanism on the chair seat adjusting module is positioned on the inner side of the depth direction of the chair seat, and the free end of the traction mechanism on the chair seat adjusting module is fixed at the lower end of a main sliding block of the chair back adjusting module so as to replace an elastic body on the main sliding block in the chair back adjusting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123014003.5U CN216438860U (en) | 2021-12-03 | 2021-12-03 | Telescopic chair adjusting mechanism and chair composite adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123014003.5U CN216438860U (en) | 2021-12-03 | 2021-12-03 | Telescopic chair adjusting mechanism and chair composite adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216438860U true CN216438860U (en) | 2022-05-06 |
Family
ID=81355149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123014003.5U Active CN216438860U (en) | 2021-12-03 | 2021-12-03 | Telescopic chair adjusting mechanism and chair composite adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216438860U (en) |
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2021
- 2021-12-03 CN CN202123014003.5U patent/CN216438860U/en active Active
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