CN215226136U - Metal support piece for seat backrest - Google Patents
Metal support piece for seat backrest Download PDFInfo
- Publication number
- CN215226136U CN215226136U CN202120751416.2U CN202120751416U CN215226136U CN 215226136 U CN215226136 U CN 215226136U CN 202120751416 U CN202120751416 U CN 202120751416U CN 215226136 U CN215226136 U CN 215226136U
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- adjusting
- ratchet
- seat back
- metal support
- fixed
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Abstract
The utility model belongs to the technical field of seat back supporting pieces, in particular to a seat back metal supporting piece, wherein a plurality of connecting rods are fixedly arranged on two sides of a supporting rack in a symmetrical distribution, one end of each connecting rod is fixedly connected with a slide cylinder, and the inner wall of each slide cylinder is connected with two supporting columns in a sliding way; the two support columns are fixedly connected through an adjusting device, and the adjusting device adjusts the height of the backrest. This backrest metal support spare, through setting up adjusting device, the adjusting motor drives the adjusting gear and rotates, and the adjusting gear drives the support rack and rises, and the support rack drives connecting rod and slide cartridge and rises along supporting, and then realizes the regulation of backrest support spare height, and the effectual current backrest metal support spare of having solved needs the very inconvenient technical problem of manual height-adjusting.
Description
Technical Field
The utility model relates to a backrest support piece technical field especially relates to a backrest metal support piece.
Background
The backrest of the seat is generally supported on the seat base through a backrest supporting structure, and at present, the height of the conventional seat backrest support is generally adjusted through bolts, and great effort is required to be used for each adjustment, so that the adjustment is inconvenient.
SUMMERY OF THE UTILITY MODEL
Based on the very inconvenient technical problem of current backrest support piece needs manual height-adjusting, the utility model provides a backrest metal support piece.
The utility model provides a seat back metal support piece, including supporting the rack, the both sides of supporting the rack are the fixed mounting of symmetric distribution has a plurality of connecting rods, the one end of a plurality of connecting rods all fixedly connected with slide cartridge, the inner wall sliding connection of a plurality of slide cartridges has two support columns;
the two support columns are fixedly connected through an adjusting device, and the adjusting device adjusts the height of the backrest.
Preferably, threaded holes are formed in the surfaces of the connecting rods, and two ends of each of the two supporting columns are provided with limiting blocks;
through above-mentioned technical scheme, run through screw hole and back part threaded connection through the bolt for the connecting rod can provide the strong point for the back, and the stopper can prevent outside connecting rod and the slide cartridge roll-off support column.
Preferably, the adjusting device comprises an adjusting box, a connecting block, an adjusting motor and an adjusting gear, and the supporting column is fixedly connected with the side surface of the adjusting box through the connecting block;
through above-mentioned technical scheme, the regulating box can link together two support columns.
Preferably, the adjusting motor is fixedly installed on the inner side wall of the adjusting box, an output shaft of the adjusting motor is fixedly sleeved with the adjusting gear, an output shaft of the adjusting motor is provided with a clamping device, and the supporting rack is meshed with the adjusting gear;
through above-mentioned technical scheme, adjusting motor drives adjusting gear and rotates, and adjusting gear drives the support rack and rises, and the support rack drives connecting rod and slide cartridge to rise together.
Preferably, the clamping device comprises a fixed rotating shaft, the fixed rotating shaft is fixedly installed on the inner side wall of the adjusting box, a ratchet wheel is fixedly sleeved on the surface of the output shaft of the adjusting motor, a ratchet is rotatably sleeved on the surface of the fixed rotating shaft, and the ratchet wheel is meshed with the ratchet;
through the technical scheme, under the condition that the ratchet wheel is meshed with the ratchet, the first adjusting gear can only rotate clockwise but not anticlockwise, so that the supporting rack cannot descend in the ascending process.
Preferably, a loosening block is fixedly mounted on the side surface of the ratchet, a fixed block is fixedly mounted on the inner side wall of the adjusting box, and the upper surface of the fixed block is fixedly connected with the lower surface of the loosening block through a spring;
through above-mentioned technical scheme, just can realize ratchet and leave the state of meshing through pressing the loose position piece, leave the state of meshing, the support rack can slowly descend under the effect of gravity, then the elasticity of rethread spring is bounced with the loose position piece, makes ratchet and ratchet mesh once more.
Preferably, the front surface of the adjusting box is provided with a gear port, and the back surface of the adjusting box is provided with a position loosening port;
through above-mentioned technical scheme, the gear mouth makes adjusting gear can mesh with the support rack, and the position of loosing mouth makes the position of loosing piece can stretch out outside the regulating box and pressed.
The utility model provides a beneficial effect does:
1. through setting up adjusting device, adjusting motor drives the adjusting gear and rotates, and adjusting gear drives the support rack and rises, and the support rack drives connecting rod and slide cartridge and rises along supporting, and then realizes the regulation of backrest support piece height, and effectual current backrest support piece that has solved needs the very inconvenient technical problem of manual height-adjusting.
2. Through setting up the screens device, when needs reduce support piece's height, realize the separation of ratchet and ratchet through pressing the position piece of loosing, support the rack and descend at the effect of gravity after the separation, when needs stop descending, only need loosen the position piece, the position piece of loosing plays with the help of the elasticity of spring, ratchet and ratchet mesh once more this moment, and the ratchet blocks the ratchet, makes it can not counter-clockwise turning to stop supporting the decline of rack, convenient and fast.
Drawings
Fig. 1 is a schematic view of a metal back support according to the present invention;
fig. 2 is a perspective view of an adjusting box structure of a metal supporting member of a seat back according to the present invention;
fig. 3 is a perspective view of an adjusting gear structure of a metal supporting member for a seat back according to the present invention.
In the figure: 1. a support rack; 11. a connecting rod; 12. a slide cylinder; 13. a support pillar; 2. a threaded hole; 21. a limiting block; 3. an adjusting box; 31. connecting blocks; 32. adjusting the motor; 33. an adjusting gear; 4. fixing the rotating shaft; 41. a ratchet wheel; 42. a ratchet; 5. loosening the position block; 51. a fixed block; 6. a gear port; 61. and (4) loosening the position opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a metal supporting member for a seat back comprises a supporting rack 1, wherein a plurality of connecting rods 11 are fixedly arranged on two sides of the supporting rack 1 in a symmetrical distribution manner, one end of each connecting rod 11 is fixedly connected with a sliding cylinder 12, and the inner wall of each sliding cylinder 12 is slidably connected with two supporting columns 13;
the two support columns 13 are fixedly connected through an adjusting device, and the adjusting device adjusts the height of the backrest.
Further, the adjusting device comprises an adjusting box 3, a connecting block 31, an adjusting motor 32 and an adjusting gear 33, and the supporting column 13 is fixedly connected with the side surface of the adjusting box 3 through the connecting block 31;
the adjustment box 3 can connect two support columns 13 together.
Further, an adjusting motor 32 is fixedly installed on the inner side wall of the adjusting box 3, an output shaft of the adjusting motor 32 is fixedly sleeved with an adjusting gear 33, the output shaft of the adjusting motor 32 is provided with a clamping device, and the supporting rack 1 is meshed with the adjusting gear 33;
the adjusting motor 32 drives the adjusting gear 33 to rotate, the adjusting gear 33 drives the supporting rack 1 to ascend, and the supporting rack 1 drives the connecting rod 11 and the sliding barrel 12 to ascend together.
Through setting up adjusting device, accommodate motor 32 drives adjusting gear 33 and rotates, and adjusting gear 33 drives and supports rack 1 and rise, supports rack 1 and drives connecting rod 11 and slide cartridge 12 and rise along supporting, and then realizes the regulation of backrest support piece height, and the effectual current backrest support piece that has solved needs the very inconvenient technical problem of manual height-adjusting.
Furthermore, the clamping device comprises a fixed rotating shaft 4, the fixed rotating shaft 4 is fixedly installed on the inner side wall of the adjusting box 3, a ratchet wheel 41 is fixedly sleeved on the surface of the output shaft of the adjusting motor 32, a ratchet 42 is rotatably sleeved on the surface of the fixed rotating shaft 4, and the ratchet wheel 41 is meshed with the ratchet 42;
under the condition that the ratchet wheel 41 is meshed with the ratchet wheel 42, the first adjusting gear 33 can only rotate clockwise but not anticlockwise, so that the supporting rack 1 cannot descend in the process of ascending.
Furthermore, a loosening block 5 is fixedly mounted on the side surface of the ratchet 42, a fixing block 51 is fixedly mounted on the inner side wall of the adjusting box 3, and the upper surface of the fixing block 51 is fixedly connected with the lower surface of the loosening block 5 through a spring;
the state that the ratchet wheel 41 is separated from the ratchet 42 and meshed can be realized by pressing the release block 5, in the state that the ratchet wheel is separated from the ratchet, the supporting rack 1 can slowly descend under the action of gravity, and then the release block 5 is bounced up through the elasticity of the spring, so that the ratchet wheel 41 is meshed with the ratchet 42 again.
Through setting up the screens device, when the height that needs to reduce support piece, realize the separation of ratchet 41 and ratchet 42 through pressing loose position piece 5, support rack 1 and descend under the effect of gravity after the separation, when needs stop descending, only need loosen loose position piece 5, loose position piece 5 is bounced with the help of the elasticity of spring, ratchet 41 and ratchet 42 mesh once more this moment, ratchet 42 blocks ratchet 41, makes it can not counter-clockwise rotation to stop supporting the decline of rack 1, convenient and fast.
Furthermore, threaded holes 2 are formed in the surfaces of the connecting rods 11, and limiting blocks 21 are arranged at the two ends of the two supporting columns 13;
through bolt through screw hole 2 and back spare threaded connection for connecting rod 11 can provide the strong point for the back, and stopper 21 can prevent connecting rod 11 and slide cartridge 12 from slipping out of support column 13.
Further, the front surface of the adjusting box 3 is provided with a gear opening 6, and the back surface of the adjusting box 3 is provided with a loose position opening 61;
the gear opening 6 enables the adjusting gear 33 to engage with the supporting rack 1, and the release opening 61 enables the release block 5 to be pushed out of the adjusting box 3.
The working principle is as follows: when the height of the supporting piece needs to be adjusted, the adjusting motor 32 is started, the adjusting gear 33 is driven by the adjusting motor 32 to rotate, the supporting rack 1 is driven by the adjusting gear 33 to ascend, and finally the supporting rack 1 drives the connecting rod 11 and the sliding barrel 12 to ascend along the support, so that the height of the position of the supporting piece is adjusted. The ratchet wheel 41 and the ratchet teeth 42 are separated by pressing the loosening block 5, the supporting rack 1 descends under the action of gravity after separation, when the descending is required to be stopped, only the loosening block 5 needs to be loosened, the loosening block 5 bounces up by means of the elastic force of the spring, at the moment, the ratchet wheel 41 is meshed with the ratchet teeth 42 again, the ratchet teeth 42 clamp the ratchet wheel 41, the ratchet wheel 41 cannot rotate anticlockwise, the descending of the supporting rack 1 is stopped, and the position of the supporting piece is lowered.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A seat back metal support comprising a support rack (1), characterized in that: a plurality of connecting rods (11) are fixedly arranged on two sides of the supporting rack (1) in a symmetrical distribution manner, one ends of the connecting rods (11) are fixedly connected with sliding cylinders (12), and the inner walls of the sliding cylinders (12) are connected with two supporting columns (13) in a sliding manner;
the two supporting columns (13) are fixedly connected through an adjusting device, and the adjusting device adjusts the height of the backrest.
2. A seat back metal support according to claim 1, wherein: a plurality of threaded holes (2) are formed in the surface of the connecting rod (11), and limiting blocks (21) are arranged at the two ends of the two supporting columns (13).
3. A seat back metal support according to claim 1, wherein: adjusting device includes regulating box (3), connecting block (31), accommodate motor (32) and adjusting gear (33), support column (13) pass through connecting block (31) with the side surface fixed connection of regulating box (3).
4. A seat back metal support according to claim 3, wherein: adjusting motor (32) fixed mounting be in the inside wall of regulating box (3), the output shaft of adjusting motor (32) is fixed to be cup jointed adjusting gear (33), the output shaft of adjusting motor (32) is provided with the screens device, support rack (1) with adjusting gear (33) meshing.
5. A seat back metal support according to claim 4, wherein: the screens device is including fixed pivot (4), fixed pivot (4) fixed mounting be in the inside wall of regulating box (3), ratchet (41) have been cup jointed to the fixed surface of adjusting motor (32) output shaft, ratchet (42) have been cup jointed in the surface rotation of fixed pivot (4), ratchet (41) with ratchet (42) meshing.
6. A seat back metal support according to claim 5, wherein: the side surface fixed mounting of ratchet (42) has pine position piece (5), the inside wall fixed mounting of regulating box (3) has fixed block (51), the upper surface of fixed block (51) pass through the spring with the lower fixed surface of pine position piece (5) is connected.
7. A seat back metal support according to claim 6, wherein: the front surface of the adjusting box (3) is provided with a gear opening (6), and the back surface of the adjusting box (3) is provided with a loosening opening (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751416.2U CN215226136U (en) | 2021-04-14 | 2021-04-14 | Metal support piece for seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751416.2U CN215226136U (en) | 2021-04-14 | 2021-04-14 | Metal support piece for seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215226136U true CN215226136U (en) | 2021-12-21 |
Family
ID=79508488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120751416.2U Active CN215226136U (en) | 2021-04-14 | 2021-04-14 | Metal support piece for seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215226136U (en) |
-
2021
- 2021-04-14 CN CN202120751416.2U patent/CN215226136U/en active Active
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