CN210783618U - Double-back waist rest lifting device - Google Patents
Double-back waist rest lifting device Download PDFInfo
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- CN210783618U CN210783618U CN201921662980.6U CN201921662980U CN210783618U CN 210783618 U CN210783618 U CN 210783618U CN 201921662980 U CN201921662980 U CN 201921662980U CN 210783618 U CN210783618 U CN 210783618U
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- positioning pin
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Abstract
The utility model discloses a double-back waist rest lifting device, which comprises a back plate, a backup plate distributed in a mirror image manner and a connecting piece arranged between the elastic piece of the backup plate and the back plate, wherein the back plate is close to one side of the connecting piece and is provided with a chute, a plurality of blind hole positioning holes with different heights are arranged in the chute, one side of the connecting piece is fixedly connected with the elastic piece of the backup plate, the other side of the connecting piece is positioned in the chute and slides along the chute, the connecting piece is provided with a positioning pin sliding along the positioning hole, one end of the positioning pin, which is far away from the back plate, is rotatably provided with; the transverse rod is controlled to be stirred to the backup plate from the back plate, and compared with the existing method that the positioning pin of the backup plate is pressed to the back plate side or adjusted in a knob mode, the positioning pin is separated from the positioning hole, and the operation is more convenient; set up to the blind hole through the locating hole, press the locating pin process, the locating pin can not pass the backplate to can not produce or the mar to the seat behind the backplate.
Description
Technical Field
The utility model relates to a seat accessory field specifically is a two back waist rest elevating gear.
Background
With the increasing development of economic society, the pace of life of people is faster and faster, and the social pressure of life, work, traffic and the like is obviously increased. The health problems of lumbar vertebrae and cervical vertebrae are more and more common in people's life. Pregnant women, old people, students, drivers who drive for a long time, employees in a workplace who sits for a long time, and the like are in a tense state because the waist muscles cannot be relaxed due to long sitting time every day, and ligaments around the spine are stressed tightly for a long time, so that tissue damage, spine strain or damage is easily caused.
In order to relieve the pain of lumbar and cervical vertebrae and provide sufficient support and protection for lumbar vertebrae, a chair back plate, a waist back and a waist cushion with protection and treatment effects are developed.
As shown in fig. 1, the seat back plate, the lumbar support or the lumbar pad generally includes a back plate 101, a back plate and a positioning pin 104 fixedly installed between the elastic member of the back plate and the back plate, through holes 102 with different heights are opened on the back plate 101, the positioning holes are communicated through a sliding slot 103, when in use, the positioning pin 104 is pressed or twisted to the back plate 101 side, so that the middle part of the positioning pin 104 can slide from the sliding slot 103, and further the height of the back plate is adjusted, which has the following problems: the positioning pin 104 of the backup plate is adjusted in a pressing/knob mode towards the side of the back plate 101, so that the positioning pin 104 is separated from the positioning hole, and the adjustment is inconvenient; in the process of adjusting the positioning pin 104, the positioning pin 104 penetrates through the positioning hole 102, and the pressing of the seat behind the back plate 101 is prone to generating indentation and even scratching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double-back waist rest lifting device, which is characterized in that the back plate can be adjusted by stirring through the control cross rod, and compared with the prior art that the positioning pin of the back plate is adjusted by pressing or rotating the knob to the back plate side, the positioning pin is separated from the positioning hole, so that the operation is more convenient; set up to the blind hole through the locating hole, press the locating pin process, the locating pin can not pass the backplate to can not produce indentation or mar to the seat behind the backplate.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a two back waist leans on elevating gear, includes backplate, mirror image distribution's backup plate and sets up the connecting piece between the elastic component of backup plate and backplate, the backplate is close to connecting piece one side and has seted up the spout, and it has a plurality of to be in the blind hole locating hole of co-altitude not to open in the spout.
One side of the connecting piece is fixedly connected with the backup plate elastic piece, and the other side of the connecting piece is positioned in the sliding groove and slides along the sliding groove.
The connecting piece is provided with a positioning pin sliding along the positioning hole, one end of the positioning pin, far away from the back plate, is rotatably provided with a control cross rod, and the control cross rod is pulled by external force to enable the positioning pin to be separated from the positioning hole.
Furthermore, the control cross rod is provided with a mounting hole, a rotating shaft which is connected in a rotating mode is mounted in the mounting hole, and the rotating shaft penetrates through one end of the positioning pin.
Further, a clamping cover is installed between the backup plate elastic piece and the connecting piece, and one end, far away from the backup plate, of the control cross rod is rotatably installed on the clamping cover.
Furthermore, an anti-falling part is fixedly arranged on the locating pin between the connecting part and the clamping cover.
Furthermore, a reset elastic part is installed between the connecting piece and the clamping cover, when the control cross rod is pulled by external force to enable the positioning pin to be separated from the positioning hole, the reset elastic part is in a compression state, and when the external force is separated from the control cross rod, the reset elastic part drives the control cross rod to drive the positioning pin until the positioning pin is located in the positioning hole.
Further, the elastic return component is an elastic gasket, a spring or soft rubber.
Further, when the elastic resetting component is a spring, the elastic resetting component is sleeved on the locating pin, one end of the elastic resetting component is fixedly connected with the anti-falling part, and the other end of the elastic resetting component is located at the lower end of the clamping cover.
The utility model has the advantages that:
1. the utility model discloses a control horizontal pole is carried out the formula of stirring and is adjusted to the backup plate by the backplate, and is compared with the current locating pin through to the backup plate carry out the push type of backplate side/knob formula to be adjusted, make the locating pin break away from the locating hole, it is more convenient to operate;
2. the utility model discloses a locating hole sets up to the blind hole, adjusts the locating pin process, and the locating pin can not pass the backplate to can not produce indentation or mar to the seat behind the backplate.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a prior art lumbar support lifting device;
FIG. 2 is a schematic structural view of the dual-back waist rest lifting device of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is an enlarged schematic view of the a position of the present invention.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 2 to 4, a two back waist leans on elevating gear, including backplate 1, backup plate 2 and the connecting piece 3 of setting between the elastic component of backup plate 2 and backplate 1 that the mirror image distributes, backplate 1 is close to connecting piece 3 one side and has seted up spout 4, it has a plurality of blind hole locating hole 41 at co-altitude not to open in the spout 4, connecting piece 3 one side and backup plate 2's elastic component fixed connection, the opposite side is located spout 4 and slides along spout 4, connecting piece 3 is installed and is carried out gliding locating pin 5 along locating hole 41, locating pin 5 keeps away from 1 one end rotation of backplate and installs control horizontal pole 6.
Specifically, the control cross bar 6 is provided with a mounting hole 61, and a rotating shaft 62 which is rotatably connected is mounted in the mounting hole 61, wherein the rotating shaft 62 penetrates through one end of the positioning pin 5.
Install card lid 8 between 2 elastic component of backup plate and the connecting piece 3, wherein control horizontal pole 6 keeps away from 2 outside one end rotations of backup plate and installs on card lid 8, during the use, pull control horizontal pole 6 in-process to 2 sides of backup plate at external force, control horizontal pole 6 rotates around card lid 8.
The positioning pin 5 between the connecting piece 3 and the clamping cover 8 is fixedly provided with an anti-falling piece 51, and the anti-falling piece 51 avoids pulling the control cross rod 6 to cause the positioning pin 5 to be separated from the clamping cover 8 due to overlarge angle.
Install between connecting piece 3 and the card lid 8 and reset elastic component 7, reset elastic component 7 can be elastic gasket, spring or soft rubber, and when reset elastic component 7 was the spring, reset elastic component 7 cover was established on locating pin 5, and wherein reset elastic component 7 one end and anticreep piece 51 fixed connection, the other end is located the card lid 8 lower extreme.
When the positioning device is used, the control cross rod 6 is pulled by external force to enable the positioning pin 5 to be separated from the positioning hole 41, the reset elastic component 7 is in a compressed state, the height of the backup plate 2 is adjusted according to actual requirements, and compared with the existing method that the positioning pin 5 is subjected to push type/knob type adjustment towards the side of the back plate 1, the positioning pin 5 is separated from the positioning hole 41, the operation is more convenient; after the adjustment is finished, when the external force is separated from the control cross rod 6, the reset elastic part 7 drives the control cross rod 6 to drive the positioning pin 5 until the positioning pin 5 is positioned in the positioning hole 41, so that the backup plate 2 is in a stable state; meanwhile, the positioning holes 41 are blind holes, so that in the process of adjusting the positioning pins 5, the positioning pins 5 cannot penetrate through the back plate 1, and therefore, the seat behind the back plate 1 cannot be indented.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (7)
1. A double-back waist rest lifting device comprises a back plate (1), a backup plate (2) distributed in a mirror image manner and a connecting piece (3) arranged between an elastic piece of the backup plate (2) and the back plate (1), and is characterized in that one side of the back plate (1) close to the connecting piece (3) is provided with a sliding groove (4), and a plurality of blind hole positioning holes (41) at different heights are formed in the sliding groove (4);
one side of the connecting piece (3) is fixedly connected with the elastic piece of the backup plate (2), and the other side is positioned in the sliding groove (4) and slides along the sliding groove (4);
the connecting piece (3) is provided with a positioning pin (5) which slides along the positioning hole (41), one end of the positioning pin (5) far away from the back plate (1) is rotatably provided with a control cross rod (6), and the control cross rod (6) is pulled by external force to enable the positioning pin (5) to be separated from the positioning hole (41).
2. The lifting device for double-back lumbar support according to claim 1, wherein the control cross bar (6) is provided with a mounting hole (61), a rotating shaft (62) is rotatably connected in the mounting hole (61), and the rotating shaft (62) penetrates through one end of the positioning pin (5).
3. The lifting device for the double-back waist rest according to claim 1, wherein a clamping cover (8) is arranged between the elastic piece of the backup plate (2) and the connecting piece (3), and one end of the control cross rod (6) far away from the outer side of the backup plate (2) is rotatably arranged on the clamping cover (8).
4. A double-back lumbar lift device according to claim 3, characterized in that a release prevention member (51) is fixedly mounted on the positioning pin (5) between the connecting member (3) and the card cover (8).
5. The lifting device for the double-back waist support according to claim 4, wherein a reset elastic part (7) is installed between the connecting piece (3) and the clamping cover (8), when the control cross rod (6) is pulled by external force to make the positioning pin (5) separate from the positioning hole (41), the reset elastic part (7) is in a compressed state, and when the external force separates from the control cross rod (6), the reset elastic part (7) drives the control cross rod (6) to drive the positioning pin (5) until the positioning pin (5) is located in the positioning hole (41).
6. The lifting device for double-back lumbar support according to claim 5, characterized in that the elastic return component (7) is an elastic pad, a spring or soft rubber.
7. The lifting device for the double-back waist support according to claim 6, wherein when the elastic restoring component (7) is a spring, the elastic restoring component (7) is sleeved on the positioning pin (5), wherein one end of the elastic restoring component (7) is fixedly connected with the anti-falling part (51), and the other end is positioned at the lower end of the clamping cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662980.6U CN210783618U (en) | 2019-09-30 | 2019-09-30 | Double-back waist rest lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662980.6U CN210783618U (en) | 2019-09-30 | 2019-09-30 | Double-back waist rest lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210783618U true CN210783618U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921662980.6U Active CN210783618U (en) | 2019-09-30 | 2019-09-30 | Double-back waist rest lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210783618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662380A (en) * | 2021-06-18 | 2021-11-19 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
-
2019
- 2019-09-30 CN CN201921662980.6U patent/CN210783618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662380A (en) * | 2021-06-18 | 2021-11-19 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
| CN113662380B (en) * | 2021-06-18 | 2024-06-07 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
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