CN217987117U - Office chair headrest adjusting structure - Google Patents
Office chair headrest adjusting structure Download PDFInfo
- Publication number
- CN217987117U CN217987117U CN202222387088.XU CN202222387088U CN217987117U CN 217987117 U CN217987117 U CN 217987117U CN 202222387088 U CN202222387088 U CN 202222387088U CN 217987117 U CN217987117 U CN 217987117U
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- CN
- China
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- clamping jaw
- locking piece
- adjusting rod
- headrest
- office chair
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Abstract
An office chair headrest adjusting structure, comprising: the headrest part is provided with a first pivoting part; the opposite two ends of the first adjusting rod are provided with a second pivoting part and a third pivoting part; the clamping piece comprises an upper clamping jaw, a lower clamping jaw and an adjusting bolt, the upper clamping jaw is provided with a sliding groove and a penetrating part, and the lower clamping jaw is provided with a sliding block embedded in the sliding groove; the adjusting bolt penetrates through the upper clamping jaw and the lower clamping jaw; one end of the second adjusting rod is provided with a fourth pivoting part; the first locking piece penetrates through the first pivoting part and the second pivoting part, so that the headrest part pivots by taking the first locking piece as a center; the second locking piece penetrates through the third pivoting part and the fourth pivoting part, so that the first adjusting rod pivots by taking the second locking piece as a center; one end of the third locking piece penetrates through the penetrating part towards the penetrating part of the clamping piece and abuts against the second adjusting rod, so that the second adjusting rod is positioned.
Description
Technical Field
The present invention relates to a headrest adjusting structure of an office chair, and more particularly to a headrest adjusting structure of an office chair without a headrest, which can be installed on the office chair without a headrest and can adjust the height and the inclination angle in a diversified manner.
Background
There are many types of office chairs, including those with and without headrests, in addition to whether the height of the seat portion can be adjusted, whether the angle of inclination of the back can be adjusted, and whether armrests are provided.
For an office chair without a headrest, the head of a user does not lean against the office chair, so that the neck of the user is easily aching and painful after the office chair is used for a long time.
Although users may additionally arrange neck pillows, backrests, etc., such articles do not provide an adjustable function, and thus comfort is still insufficient.
If an office chair without a headrest is to be replaced with an office chair with a headrest, considerable costs must be paid.
Therefore, people in the related art need to solve the above-mentioned problems, how to develop a headrest adjusting structure of an office chair that can be installed on an office chair without a headrest and can adjust the height and the tilt angle in a diversified manner.
Disclosure of Invention
The main objective of the present invention is to provide an adjusting structure for a headrest of an office chair, which can be installed on an office chair without a headrest of a head, and can adjust the height and the inclination angle in a diversified manner.
In order to achieve the above object, the utility model relates to an office chair headrest adjustment structure which characterized in that: which comprises the following steps:
a headrest portion having a first pivot portion;
a first adjusting rod, which is provided with a second pivot part and a third pivot part at two opposite ends;
a clamp, comprising:
an upper clamping jaw, which is provided with a chute and a penetrating part;
the lower clamping jaw is provided with a sliding block which is embedded in the sliding groove, so that the upper clamping jaw and the lower clamping jaw can move relatively;
the adjusting bolt penetrates through the upper clamping jaw and the lower clamping jaw and is used for locking the upper clamping jaw and the lower clamping jaw;
one end of the second adjusting rod is provided with a fourth pivoting part, and the other end of the second adjusting rod penetrates through the penetrating part of the clamping piece;
the first locking piece penetrates through the first pivoting part and the second pivoting part, so that the headrest part and the first adjusting rod are mutually pivoted and pivoted by taking the first locking piece as a center, and the headrest part is positioned by the first locking piece;
a second locking piece passing through the third pivoting part and the fourth pivoting part to make the first adjusting rod and the second adjusting rod pivoted with each other and pivoted with the second locking piece as a center, and to position the first adjusting rod by the second locking piece; and
one end of the third locking piece penetrates through the penetrating part towards the penetrating part of the clamping piece and abuts against the second adjusting rod, so that the second adjusting rod is positioned.
The utility model discloses the efficiency lies in: the office chair headrest structure can be arranged on an office chair without a headrest and can achieve diversified height and inclination angle adjustment.
Drawings
Fig. 1 is a schematic view of a combined three-dimensional structure according to an embodiment of the present invention.
Fig. 2 is a left side view of the embodiment of fig. 1.
Fig. 3 is a schematic perspective view of the clamping member of the embodiment of fig. 1.
Fig. 4 is a schematic view of the left side view structure of the utility model arranged on the office chair.
Fig. 5 is a schematic view of the front view structure of the utility model arranged on an office chair.
Detailed Description
Referring to fig. 1 to 3, the present invention provides an office chair headrest adjusting structure 100, which includes a headrest portion 10, a first adjusting rod 20, a clamping member 30, a second adjusting rod 40, a first locking member 50, a second locking member 60, and a third locking member 70.
The headrest 10 has a first pivot portion 11. The first pivoting portion 11 is disposed at the back of the headrest portion 10.
The opposite ends of the first adjusting rod 20 (i.e. the top end and the bottom end of the first adjusting rod 20 shown in the figure) are respectively provided with a second pivot portion 21 and a third pivot portion 22.
The clamping member 30 includes an upper jaw 31, a lower jaw 32 and an adjusting bolt 33. The upper jaw 31 and the lower jaw 32 are made of a plastic material having hardness.
The upper jaw 31 has a sliding slot 311 and a through portion 312.
The lower jaw 32 has a sliding block 321, and the sliding block 321 is embedded in the sliding slot 311, so that the upper jaw 31 and the lower jaw 32 can move relatively parallel to a first direction F1.
The adjusting bolt 33 is disposed through the upper jaw 31 and the lower jaw 32 parallel to the first direction F1 for locking the upper jaw 31 and the lower jaw 32.
The length direction of the second adjusting lever 40 is parallel to the first direction F1, and one end of the second adjusting lever 40 parallel to the first direction F1 (i.e., the top end of the second adjusting lever 40 shown in the figure) has a fourth pivot portion 41, and the other end 42 thereof parallel to the first direction F1 (i.e., the bottom end of the second adjusting lever 40 shown in the figure) is inserted into the insertion portion 312 of the clamping member 30.
The first locking member 50 is disposed through the first pivot portion 11 and the second pivot portion 21 perpendicular to the first direction F1. The headrest portion 10 and the first adjusting rod 20 are pivotally connected to each other and pivot about the first locking member 50, and the headrest portion 10 is positioned by the first locking member 50.
The second locking member 60 is disposed through the third pivoting portion 22 and the fourth pivoting portion 41 perpendicularly to the first direction F1. The first adjusting rod 20 and the second adjusting rod 40 are pivoted to each other and pivoted with the second locking member 60 as a center, and the first adjusting rod 20 is positioned by the second locking member 60.
The penetrating direction of the second locking member 60 and the penetrating direction of the first locking member 50 are parallel to each other.
One end of the third locking member 70 is perpendicular to the first direction F1, penetrates through the penetrating portion 312 toward the penetrating portion 312 of the clamping member 30, and abuts against the second adjusting rod 40, so as to position the second adjusting rod 40, and the penetrating direction of the third locking member 70 is perpendicular to the penetrating direction of the second locking member 60.
Referring to fig. 4 and 5, the office chair headrest adjusting structure 100 is disposed on the top of the backrest 91 of the office chair 90. The upper jaw 31 and the lower jaw 32 are clamped to the top edge of the seat back 91, and are locked by the adjusting bolt 33 (see the adjusting bolt 33 in fig. 1 or fig. 2), so that the upper jaw 31 and the lower jaw 32 are reliably positioned.
Then, the position of the second adjusting rod 40 is adjusted according to the user's requirement to adjust the height position of the headrest 10, and the third locking member 70 is used to lock and fix the second adjusting rod 40.
Then, the angle of the first adjusting rod 20 is adjusted to adjust the front and rear positions of the headrest 10, and the first adjusting rod 20 is securely positioned by locking the headrest with the second locking member 60.
Then, the angle of the headrest 10 is adjusted to adjust the pitch angle of the headrest 10, and the first locking member 50 is used to lock the headrest 10, so that the headrest 10 is reliably positioned.
To sum up, the utility model provides an office chair headrest adjustment structure utilizes special holder design, can set up in the office chair of no head back cushion and reach pluralism adjustment height and inclination, promotes the travelling comfort when the user uses office chair by a wide margin.
Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited to the above embodiments, and that various changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an office chair headrest adjusts structure which characterized in that: which comprises the following steps:
a headrest portion having a first pivot portion;
a first adjusting rod, which is provided with a second pivot part and a third pivot part at two opposite ends;
a clamp, comprising:
an upper clamping jaw, which is provided with a sliding chute and a penetrating part;
the lower clamping jaw is provided with a sliding block, the sliding block is embedded in the sliding groove, so that the upper clamping jaw and the lower clamping jaw can move relatively, and the upper clamping jaw and the lower clamping jaw move relatively in parallel to a first direction;
the adjusting bolt penetrates through the upper clamping jaw and the lower clamping jaw and is used for locking the upper clamping jaw and the lower clamping jaw;
one end of the second adjusting rod is provided with a fourth pivot part, and the other end of the second adjusting rod is arranged in the penetrating part of the clamping piece in a penetrating way;
the first locking piece penetrates through the first pivoting part and the second pivoting part, so that the headrest part and the first adjusting rod are mutually pivoted and pivoted by taking the first locking piece as a center, and the headrest part is positioned by the first locking piece;
a second locking piece passing through the third pivoting part and the fourth pivoting part to make the first adjusting rod and the second adjusting rod pivoted with each other and pivoted with the second locking piece as a center, and to position the first adjusting rod by the second locking piece; and
one end of the third locking piece penetrates through the penetrating part towards the penetrating part of the clamping piece and abuts against the second adjusting rod so as to position the second adjusting rod.
2. An office chair headrest adjusting structure as claimed in claim 1, wherein: wherein the length direction of the second adjusting rod is parallel to the first direction.
3. An office chair headrest adjusting structure as claimed in claim 1, wherein: the first locking member is disposed through the first pivot portion and the second pivot portion perpendicular to the first direction.
4. An office chair headrest adjusting structure as claimed in claim 1, wherein: the second locking piece is perpendicular to the first direction and penetrates through the third pivoting portion and the fourth pivoting portion, and the penetrating direction of the second locking piece is parallel to the penetrating direction of the first locking piece.
5. An office chair headrest adjusting structure as claimed in claim 1, wherein: one end of the third locking piece is perpendicular to the first direction and penetrates through the penetrating part towards the penetrating part of the clamping piece, and the penetrating direction of the third locking piece is perpendicular to the penetrating direction of the second locking piece.
6. An office chair headrest adjusting structure as claimed in claim 1, wherein: wherein the upper clamping jaw and the lower clamping jaw are made of plastic materials with hardness.
7. An office chair headrest adjusting structure as claimed in claim 1, wherein: wherein the first pivot portion is disposed on the back of the headrest portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387088.XU CN217987117U (en) | 2022-09-05 | 2022-09-05 | Office chair headrest adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387088.XU CN217987117U (en) | 2022-09-05 | 2022-09-05 | Office chair headrest adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217987117U true CN217987117U (en) | 2022-12-09 |
Family
ID=84289630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222387088.XU Active CN217987117U (en) | 2022-09-05 | 2022-09-05 | Office chair headrest adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217987117U (en) |
-
2022
- 2022-09-05 CN CN202222387088.XU patent/CN217987117U/en active Active
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