CN211512381U - Universal adjustment headrest device for wheelchair - Google Patents
Universal adjustment headrest device for wheelchair Download PDFInfo
- Publication number
- CN211512381U CN211512381U CN202020007406.3U CN202020007406U CN211512381U CN 211512381 U CN211512381 U CN 211512381U CN 202020007406 U CN202020007406 U CN 202020007406U CN 211512381 U CN211512381 U CN 211512381U
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- adjusting frame
- headrest
- plate
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Abstract
The utility model discloses a universal adjusting headrest device for a wheelchair, which comprises a wheelchair frame, a first adjusting frame, a second adjusting frame, a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a headrest; the first adjusting frame is connected to the wheelchair frame in a sliding mode through the first connecting mechanism; the first connecting mechanism is used for locking the position of the first adjusting frame; the second connecting mechanism is connected to the first adjusting frame in a universal manner, the second adjusting frame is connected to the second connecting mechanism in a sliding manner, and the second connecting mechanism is used for locking the position of the second adjusting frame relative to the first adjusting frame; the headrest is connected to the second adjusting frame in a universal mode through the third connecting mechanism; the third connecting mechanism is used for locking the position of the headrest. The utility model discloses the position and the angle of adjustment headrest that can be nimble adapt to the user of different sizes, can enlarge application scope, improve user's comfort level.
Description
Technical Field
The utility model relates to an universal adjusting headrest device for a wheelchair.
Background
At present, the wheelchair is an important medical rehabilitation tool, is widely applied to the auxiliary medical industry, and enables people with limb disabilities and mobility disabilities to better experience and enjoy life. The headrest on the wheelchair can play the effect of protection user's cervical vertebra, but the wheelchair on the existing market is few to be worn the headrest, and in few were worn the wheelchair that the headrest was worn, headrest fixed connection was on the wheelchair, and the headrest position can't be adjusted, consequently can't adapt to different users, brought inconvenience for the user.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an universal regulation headrest device for wheelchair, its position and the angle of the regulation headrest that can be nimble adapt to the user of different sizes, can enlarge application scope, improve user's comfort level.
In order to solve the technical problem, the technical scheme of the utility model is that: a universal adjusting headrest device for a wheelchair, the wheelchair comprises a wheelchair frame, a first adjusting frame, a second adjusting frame, a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a headrest; wherein the content of the first and second substances,
the first adjusting frame is connected to the wheelchair frame in a sliding mode through the first connecting mechanism;
the first connecting mechanism is used for locking the position of the first adjusting frame relative to the wheelchair frame when the first adjusting frame slides to a proper position;
the second connecting mechanism is connected to the first adjusting frame in a universal mode, the second adjusting frame is connected to the second connecting mechanism in a sliding mode, and when the second connecting mechanism rotates to a proper position relative to the first adjusting frame and the second adjusting frame slides to a proper position relative to the second connecting mechanism, the second connecting mechanism is in locking connection with the first adjusting frame and the second adjusting frame so as to lock the position of the second adjusting frame relative to the first adjusting frame;
the headrest is connected to the second adjusting frame in a universal mode through the third connecting mechanism;
and the third connecting mechanism is used for locking the position of the headrest relative to the second adjusting frame when the headrest rotates to a proper position relative to the second adjusting frame.
Further provided is a specific aspect of the first connection mechanism, where the first connection mechanism includes:
a connecting seat connected to the wheelchair frame;
a locking plate connected to the connecting seat, wherein a sliding hole for slidably connecting the first adjusting frame is formed between the locking plate and the connecting seat;
the locking mechanism is connected between the connecting seat and the locking plate and used for pressing the locking plate to the connecting seat when the first adjusting frame slides to a proper position, so that the locking plate and the connecting seat clamp the first adjusting frame, and the position of the first adjusting frame is locked.
Further provide one kind locking mechanism's concrete scheme, the fixed end connection of locking plate is in on the connecting seat, the activity tip of locking plate with be equipped with the locking clearance between the connecting seat, locking mechanism includes:
the first threaded hole is formed in the connecting seat;
the first locking hole is formed in the movable end part of the locking plate;
the first locking bolt is used for penetrating through the first locking hole and is in threaded connection with the first threaded hole, and the first locking bolt is used for pressing the movable end part of the locking plate to the connecting seat so that the locking plate and the connecting seat clamp the first adjusting frame.
A specific scheme of the second connecting mechanism is further provided, wherein a first ball head is arranged on the first adjusting frame, and the second connecting mechanism comprises a left clamping block, a right clamping block and a clamping block locking mechanism; wherein the content of the first and second substances,
a sliding channel for slidably connecting the second adjusting frame and a ball head cavity matched with the first ball head are formed between the left clamping block and the right clamping block in a matched manner, and the first ball head is connected in the ball head cavity in a matched manner;
the clamping block locking mechanism is arranged between the left clamping block and the right clamping block, and when the second adjusting frame slides to a proper position in the sliding channel and the first ball head rotates to a proper position in the ball head cavity, the clamping block locking mechanism is used for locking and connecting the left clamping block on the right clamping block so as to enable the left clamping block and the right clamping block to clamp the second adjusting frame and the first ball head.
Further provides a concrete scheme of the clamping block locking mechanism, and the clamping block locking mechanism comprises:
at least one second threaded hole formed in the right clamping block;
the second locking holes are arranged on the left clamping block and correspond to the second threaded holes one to one;
and the second locking bolt corresponds to the second threaded hole and the second locking hole one to one, and is used for penetrating through the second locking hole and then in threaded connection in the second threaded hole so as to lock and connect the left clamping block on the right clamping block.
A specific scheme of the third connecting mechanism is further provided, wherein a second ball head is arranged on the second adjusting frame, and the third connecting mechanism comprises a front clamping plate, a rear clamping plate and a clamping plate locking mechanism; wherein the content of the first and second substances,
the front clamping plate is connected with the headrest, and a front spherical surface part matched with the front end part of the second ball head is arranged on the front clamping plate;
the rear clamping plate is provided with a rear spherical part matched with the rear end part of the second ball head;
the clamping plate locking mechanism is arranged between the front clamping plate and the rear clamping plate, and when the headrest is opposite to the second adjusting frame and rotates to a proper position, the clamping plate locking mechanism enables the rear clamping plate to be connected on the front clamping plate in a locking mode, so that the front spherical surface portion and the rear spherical surface portion clamp the second ball head tightly.
Further provides a concrete scheme of the clamping plate locking mechanism, and the clamping plate locking mechanism comprises:
at least one third threaded hole formed in the front clamping plate;
the third locking holes are arranged on the rear clamping plate and correspond to the third threaded holes one to one;
and the third locking bolt corresponds to the third threaded hole and the third locking hole one to one, and is used for penetrating through the third locking hole and then is in threaded connection with the third threaded hole so as to lock and connect the rear clamping plate on the front clamping plate.
The headrest comprises a main headrest and two side headrests used for supporting the head of a human body from the side, and the two side headrests are respectively connected to the two sides of the main headrest.
Further, the headrest still includes the welt, main back cushion with the side back cushion all connects on the welt, the welt has elasticity so that the side back cushion can expand to the outside.
After the technical scheme is adopted, the first locking bolt, the second locking bolt and the third locking bolt are loosened and then are slid, the first adjusting frame is rotated, the second connecting mechanism is connected with the second adjusting frame and is rotated to adjust the headrest to a proper position, and then the first locking bolt, the second locking bolt and the third locking bolt are screwed to fix the headrest relative to the position of the wheelchair frame, the position and the angle of the headrest can be flexibly adjusted, users with different heights and body shapes are adapted, the application range is expanded, and the comfort level of the users is improved.
Drawings
FIG. 1 is a schematic view of the universal adjusting headrest apparatus for a wheelchair according to the present invention;
FIG. 2 is an exploded view of the universal adjustment headrest assembly for a wheelchair of the present invention;
FIG. 3 is a rear view of the universally adjustable headrest apparatus for a wheelchair of the present invention;
FIG. 4 is a top plan view of the universal adjustment headrest apparatus for a wheelchair of the present invention;
figure 5 is a side view of the universal adjusting headrest apparatus for a wheelchair of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, a universal adjusting headrest apparatus for a wheelchair, the wheelchair includes a wheelchair frame 1, which includes a first adjusting frame 2, a second adjusting frame 3, a first connecting mechanism 100, a second connecting mechanism 200, a third connecting mechanism 300 and a headrest 4; wherein the content of the first and second substances,
the first adjusting frame 2 is slidably connected to the wheelchair frame 1 through the first connecting mechanism 100;
the first connecting mechanism 100 is used for locking the position of the first adjusting frame 2 relative to the wheelchair frame 1 when the first adjusting frame 2 slides to a proper position;
the second connecting mechanism 200 is connected to the first adjusting frame 2 in a universal manner, the second adjusting frame 3 is connected to the second connecting mechanism 200 in a sliding manner, and when the second connecting mechanism 200 rotates to a proper position relative to the first adjusting frame 2 and the second adjusting frame 3 slides to a proper position relative to the second connecting mechanism 200, the second connecting mechanism 200 is connected with the first adjusting frame 2 and the second adjusting frame 3 in a locking manner, so that the position of the second adjusting frame 3 relative to the first adjusting frame 2 is locked;
the headrest 4 is connected to the second adjusting bracket 3 in a universal manner through the third connecting mechanism 300;
the third connecting mechanism 300 is used for locking the position of the headrest 4 relative to the second adjusting frame 3 when the headrest 4 rotates to a proper position relative to the second adjusting frame 3, so as to flexibly adjust the position and the angle of the headrest 4, so that the headrest 4 can adapt to users with different heights and body types, the application range is expanded, and the comfort level of the users is improved; in this embodiment, the first adjusting frame 2 is slidably connected to the wheelchair frame 1 in the longitudinal direction by the first connecting mechanism 100.
As shown in fig. 1, 2, 3 and 5, the first connecting mechanism 100 includes, for example but not limited to, the following structures:
a connecting seat 5 connected to the wheelchair frame 1;
a locking plate 6 connected to the connecting seat 5, wherein a sliding hole 7 for slidably connecting the first adjusting frame 2 is formed between the locking plate 6 and the connecting seat 5;
and the locking mechanism is connected between the connecting seat 5 and the locking plate 6 and used for pressing the locking plate 6 to the connecting seat 5 when the first adjusting frame 2 slides to a proper position so that the locking plate 6 and the connecting seat 5 clamp the first adjusting frame 2 and further lock the position of the first adjusting frame 2.
As shown in fig. 2, the fixed end of the locking plate 6 is connected to the connecting socket 5, and a locking gap 8 is provided between the movable end of the locking plate 6 and the connecting socket 5, and the locking mechanism, such as but not limited to the following structure, includes:
the first threaded hole is formed in the connecting seat 5;
a first locking hole 9 provided on the movable end of the locking plate 6;
a first locking bolt 10 for passing through the first locking hole 9 and being screwed in the first threaded hole, the first locking bolt 10 being used for pressing the movable end portion of the locking plate 6 toward the link base 5 so that the locking plate 6 and the link base 5 clamp the first adjusting bracket 2; in this embodiment, the fixing end of the locking plate 6 is fixedly connected with the connecting seat 5.
As shown in fig. 1 to 5, a first ball 11 is disposed on the first adjusting frame 2, and the second connecting mechanism 200 includes, for example but not limited to, a left clamping block 12, a right clamping block 13, and a clamping block locking mechanism; wherein the content of the first and second substances,
a sliding channel 14 for slidably connecting the second adjusting frame 3 and a ball head cavity 15 adapted to the first ball head 11 are formed between the left clamping block 12 and the right clamping block 13 in a matching manner, and the first ball head 11 is connected in the ball head cavity 15 in a matching manner;
the clamping block locking mechanism is arranged between the left clamping block 12 and the right clamping block 13, when the second adjusting frame 3 slides to a proper position in the sliding channel 14 and the first ball head 11 rotates to a proper position in the ball head cavity 15, the clamping block locking mechanism enables the left clamping block 12 to be locked and connected on the right clamping block 13, so that the left clamping block 12 and the right clamping block 13 clamp the second adjusting frame 3 and the first ball head 11, and the second adjusting frame 3 is locked relative to the position of the first adjusting frame 2.
As shown in fig. 2, the clamp block locking mechanism may be, for example and without limitation, a structure comprising:
at least one second threaded hole 16 formed in the right clamping block 13;
the second locking holes 17 are arranged on the left clamping block 12 and correspond to the second threaded holes 16 one to one;
and the second locking bolts 18 correspond to the second threaded holes 16 and the second locking holes 17 one to one, and the second locking bolts 18 are used for penetrating through the second locking holes 17 and then are in threaded connection in the second threaded holes 16 so as to lock the left clamping block 12 on the right clamping block 13.
As shown in fig. 1, 2, 4 and 5, a second ball 19 is provided on the second adjusting bracket 3, and the third connecting mechanism 300 is, for example and without limitation, a structure including a front clamping plate 20, a rear clamping plate 21 and a clamping plate locking mechanism; wherein the content of the first and second substances,
the front splint 20 is connected with the headrest 4, and a front spherical surface part 22 matched with the front end part of the second ball head 19 is arranged on the front splint 20;
the rear clamping plate 21 is provided with a rear spherical part 23 matched with the rear end part of the second ball head 19;
the clamping plate locking mechanism is arranged between the front clamping plate 20 and the rear clamping plate 21, when the headrest 4 is opposite, the second adjusting frame 3 rotates to a proper position, the clamping plate locking mechanism enables the rear clamping plate 21 to be locked and connected on the front clamping plate 20, so that the front spherical part 22 and the rear spherical part 23 clamp the second ball head 19, and the headrest 4 is locked to the position of the second adjusting frame 3.
As shown in fig. 2, the cleat locking mechanism may be, for example and without limitation, a structure including:
at least one third threaded hole 24 provided in the front plate 20;
third locking holes 25 which are provided on the rear clamping plate 21 and correspond to the third threaded holes 24 one to one;
and third locking bolts 26 corresponding to the third threaded holes 24 and the third locking holes 25 one by one, wherein the third locking bolts 26 are used for penetrating through the third locking holes 25 and then being in threaded connection with the third threaded holes 24, so that the rear clamping plate 21 is locked and connected on the front clamping plate 20.
As shown in fig. 1, 2 and 4, the headrest 4 may include a main headrest 27 and two side headrests 28 for supporting the head of a human body from the side, and two side headrests 28 are respectively connected to two sides of the main headrest 27.
As shown in fig. 4, the headrest 4 may further include a lining plate 29, the main headrest 27 and the side headrest 28 are both connected to the lining plate 29, and the lining plate 29 has elasticity so that the side headrest 28 can be unfolded to the outside; in this embodiment, the front plate 20 is connected to the backing plate 29 by connecting bolts.
The working principle of the utility model is as follows:
will first locking bolt 10, second locking bolt 18 and third locking bolt 26 loosen, then slide first alignment jig 2, rotate second coupling mechanism 200, slide second alignment jig 3 and rotate headrest 4, in order to adjust headrest 4 to suitable position, then tighten first locking bolt 10, second locking bolt 18 and third locking bolt 26 are in order to fix the headrest is relative wheelchair frame 1's position, regulation that can be nimble the position and the angle of headrest 4 have adapted to the user of different heights, sizes, have enlarged application scope, have improved user's comfort level.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. A universal adjusting headrest device for a wheelchair, the wheelchair comprises a wheelchair frame (1), and is characterized by comprising a first adjusting frame (2), a second adjusting frame (3), a first connecting mechanism (100), a second connecting mechanism (200), a third connecting mechanism (300) and a headrest (4); wherein the content of the first and second substances,
the first adjusting frame (2) is connected to the wheelchair frame (1) in a sliding manner through the first connecting mechanism (100);
the first connecting mechanism (100) is used for locking the position of the first adjusting frame (2) relative to the wheelchair frame (1) when the first adjusting frame (2) slides to a proper position;
the second connecting mechanism (200) is connected to the first adjusting frame (2) in a universal mode, the second adjusting frame (3) is connected to the second connecting mechanism (200) in a sliding mode, and when the second connecting mechanism (200) rotates to a proper position relative to the first adjusting frame (2) and the second adjusting frame (3) slides to a proper position relative to the second connecting mechanism (200), the second connecting mechanism (200) is connected with the first adjusting frame (2) and the second adjusting frame (3) in a locking mode to lock the position of the second adjusting frame (3) relative to the first adjusting frame (2);
the headrest (4) is connected to the second adjusting frame (3) in a universal manner through the third connecting mechanism (300);
the third connecting mechanism (300) is used for locking the position of the headrest (4) relative to the second adjusting frame (3) when the headrest (4) rotates to a proper position relative to the second adjusting frame (3).
2. Universally adjustable headrest apparatus for wheelchairs according to claim 1, wherein the first connection mechanism (100) comprises:
a connecting seat (5) connected to the wheelchair frame (1);
a locking plate (6) connected to the connecting seat (5), wherein a sliding hole (7) for slidably connecting the first adjusting frame (2) is formed between the locking plate (6) and the connecting seat (5);
the locking mechanism is connected between the connecting seat (5) and the locking plate (6), and the locking mechanism is used for pressing the locking plate (6) to the connecting seat (5) so that the locking plate (6) and the connecting seat (5) clamp the first adjusting frame (2) when the first adjusting frame (2) slides to a proper position, and then the position of the first adjusting frame (2) is locked.
3. Universally adjustable headrest apparatus for wheelchairs according to claim 2, wherein the fixed end of the locking plate (6) is connected to the connecting seat (5), a locking gap (8) is provided between the movable end of the locking plate (6) and the connecting seat (5), the locking mechanism comprising:
the first threaded hole is formed in the connecting seat (5);
a first locking hole (9) provided on the movable end of the locking plate (6);
the first locking bolt (10) is used for penetrating through the first locking hole (9) and is in threaded connection with the first threaded hole, and the first locking bolt (10) is used for pressing the movable end of the locking plate (6) to the connecting seat (5) so that the locking plate (6) and the connecting seat (5) clamp the first adjusting frame (2).
4. The universally adjustable headrest apparatus for wheelchairs according to claim 1, wherein the first adjustment frame (2) is provided with a first ball head (11), and the second connecting mechanism (200) comprises a left clamping block (12), a right clamping block (13) and a clamping block locking mechanism; wherein the content of the first and second substances,
a sliding channel (14) for slidably connecting the second adjusting frame (3) and a ball head cavity (15) matched with the first ball head (11) are formed between the left clamping block (12) and the right clamping block (13), and the first ball head (11) is connected in the ball head cavity (15) in a matched manner;
the clamping block locking mechanism is arranged between the left clamping block (12) and the right clamping block (13), and when the second adjusting frame (3) slides to a proper position in the sliding channel (14) and the first ball head (11) rotates to a proper position in the ball head cavity (15), the clamping block locking mechanism enables the left clamping block (12) to be locked and connected on the right clamping block (13), so that the left clamping block (12) and the right clamping block (13) clamp the second adjusting frame (3) and the first ball head (11).
5. The universally adjustable headrest apparatus for wheelchairs of claim 4, wherein the clamp block locking mechanism comprises:
at least one second threaded hole (16) formed in the right clamping block (13);
the second locking holes (17) are arranged on the left clamping block (12) and correspond to the second threaded holes (16) one to one;
and the second locking bolt (18) corresponds to the second threaded hole (16) and the second locking hole (17) one to one, and the second locking bolt (18) is used for penetrating through the second locking hole (17) and then is in threaded connection with the second threaded hole (16) so as to lock and connect the left clamping block (12) on the right clamping block (13).
6. The universally adjustable headrest apparatus for wheelchairs according to claim 1, wherein a second ball (19) is provided on the second adjustment frame (3), and the third connecting mechanism (300) comprises a front clamp plate (20), a rear clamp plate (21) and a clamp plate locking mechanism; wherein the content of the first and second substances,
the front splint (20) is connected with the headrest (4), and a front spherical surface part (22) matched with the front end part of the second ball head (19) is arranged on the front splint (20);
a rear spherical part (23) matched with the rear end part of the second ball head (19) is arranged on the rear clamping plate (21);
splint locking mechanism locates front plate (20) with between back splint (21), work as headrest (4) are relative when second alignment jig (3) rotate suitable position, splint locking mechanism will back splint (21) locking connection be in on front plate (20), so that preceding bulb portion (22) with back bulb portion (23) press from both sides tightly second bulb (19).
7. The universally adjustable headrest apparatus for wheelchairs of claim 6, wherein the clamp plate locking mechanism comprises:
at least one third threaded hole (24) provided in the front plate (20);
third locking holes (25) which are arranged on the rear clamping plate (21) and correspond to the third threaded holes (24) one by one;
and the third locking bolt (26) corresponds to the third threaded hole (24) and the third locking hole (25) one by one, and the third locking bolt (26) is used for penetrating through the third locking hole (25) and then is in threaded connection with the third threaded hole (24) so as to lock and connect the rear clamping plate (21) on the front clamping plate (20).
8. A universally adjustable headrest arrangement for wheelchairs according to claim 1, wherein said headrest (4) comprises a main headrest (27) and two side headrests (28) for laterally supporting the head of a person, one of said side headrests (28) being connected to each of two sides of said main headrest (27).
9. Universally adjustable headrest device for wheelchairs according to claim 8, characterized in that said headrest (4) further comprises a lining plate (29), said main headrest (27) and said side headrests (28) being connected to said lining plate (29), said lining plate (29) being elastic to enable said side headrests (28) to be deployed towards the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007406.3U CN211512381U (en) | 2020-01-03 | 2020-01-03 | Universal adjustment headrest device for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007406.3U CN211512381U (en) | 2020-01-03 | 2020-01-03 | Universal adjustment headrest device for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211512381U true CN211512381U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020007406.3U Active CN211512381U (en) | 2020-01-03 | 2020-01-03 | Universal adjustment headrest device for wheelchair |
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| CN (1) | CN211512381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401025A (en) * | 2021-07-20 | 2021-09-17 | 福州大学 | Three-degree-of-freedom automobile headrest and working method thereof |
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2020
- 2020-01-03 CN CN202020007406.3U patent/CN211512381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401025A (en) * | 2021-07-20 | 2021-09-17 | 福州大学 | Three-degree-of-freedom automobile headrest and working method thereof |
| CN113401025B (en) * | 2021-07-20 | 2022-08-09 | 福州大学 | Three-degree-of-freedom automobile headrest and working method thereof |
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