CN214420276U - Foldable automobile headrest - Google Patents
Foldable automobile headrest Download PDFInfo
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- CN214420276U CN214420276U CN202120346365.5U CN202120346365U CN214420276U CN 214420276 U CN214420276 U CN 214420276U CN 202120346365 U CN202120346365 U CN 202120346365U CN 214420276 U CN214420276 U CN 214420276U
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- hook
- notch
- shaped
- headrest
- protrusion
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Abstract
A foldable automobile headrest comprises a support, wherein a cross rod at the bottom of the support is rotatably connected to an underframe, a limiting disc is concentrically fixed on the cross rod, a first notch and a second notch are formed in the side wall of the limiting disc, a rotating shaft capable of rotating relative to the underframe is arranged on the underframe below the cross rod, an unlocking protrusion and a hook-shaped protrusion are arranged on the rotating shaft, a reset mechanism is arranged on the rotating shaft, the unlocking protrusion is connected with a pull rope, when the headrest body is erected, the hook-shaped end of the hook-shaped protrusion is buckled in the first notch, when the pull rope is pulled to enable the hook-shaped end of the hook-shaped protrusion to be separated from the first notch, the headrest body falls, the hook-shaped end abuts against one side wall of the second notch, and the other side wall of the second notch abuts against the bottom of the hook-shaped protrusion. The utility model has the advantages that: when the pillow body falls down, the second notch can be propped against the hook-shaped protrusion together, so that the pillow body in the falling state is prevented from shaking, and the using effect is good.
Description
Technical Field
The utility model relates to a car headrest makes technical field, especially indicates a folding car headrest.
Background
The original Chinese utility model with application number of CN202020804299.7 named as foldable car headrest of the applicant discloses a foldable car headrest, which comprises a shell, a headrest frame, a button and a headrest rod, wherein the headrest frame is connected on a cross rod, the button is connected on the shell, the pillow frame is provided with a positioning mechanism and a pillow frame resetting mechanism, the pillow frame is also provided with a pull rope unlocking part which is linked with the positioning mechanism, a pillow frame through hole is arranged on the side wall of the pillow frame, a steering wheel of a pull rope is arranged in the inner cavity of the shell outside the pillow frame, a pillow rod through hole is arranged on the pillow rod, one end of the pull rope passes through the pillow rod through hole after passing through the steering wheel and extends out of the pillow rod, the other end of the pull rope passes through the pillow frame through hole and is connected with the pull rope unlocking part, when a pull rope extending out of the pillow rod is pulled, the pull rope pulls the pull rope unlocking part to drive the positioning mechanism to unlock, and the pillow frame resetting mechanism drives the pillow frame to rotate and reset. The utility model has the advantages that: the unlocking of the two sides of the pillow frame can be realized, the service life of the automobile headrest is prolonged, the stay cord is not easy to tie and wind, and the smooth unlocking of the positioning mechanism is realized. However, the structure of the car headrest needs to be further improved because the car headrest may shake after being folded due to lack of positioning limitation, and the use experience is affected.
Disclosure of Invention
The utility model aims to solve the technical problem that a folding convenience of expanding is provided to above-mentioned prior art current situation, thereby also can fix a position after folding and avoid the pillow body to rock, excellent in use effect's folding automotive headrest.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this folding car headrest, including the support that can fix chassis on car seat and can fix the pillow body, the horizontal pole of support bottom can rotate ground and connect on the chassis, its characterized in that: the pillow is characterized in that a limiting disc is concentrically fixed on a cross bar, a first notch and a second notch are arranged on the side wall of the limiting disc, a rotating shaft capable of rotating relative to the bottom frame is arranged on the bottom frame below the cross bar, an unlocking protrusion and a hook-shaped protrusion capable of being buckled with the first notch of the limiting disc are arranged on the rotating shaft, a reset mechanism capable of keeping the rotating trend of the hook-shaped end of the hook-shaped protrusion towards one side of the limiting disc to enable the hook-shaped end to be in abutting contact with the limiting disc is arranged on the rotating shaft, the unlocking protrusion is connected with a pull rope, when the pillow body is erected, the hook-shaped end of the hook-shaped protrusion is buckled in the first notch, when the pull rope is pulled to enable the hook-shaped end of the hook-shaped protrusion to be separated from the first notch, the pillow body falls, the hook-shaped end abuts against one side wall of the second notch, and the other side wall of the second notch abuts against the bottom of the hook-shaped protrusion.
As an improvement, the second notch is in an inverted L shape, and a tray body structure which can be abutted against the side wall of the second notch is arranged at the bottom of the hook-shaped bulge.
In a further improvement, the rotating shaft is a hollow shaft, a fixed shaft lever is arranged on the underframe, and the rotating shaft is sleeved on the fixed shaft lever.
The improved structure is characterized in that the number of the limiting discs is two, the two limiting discs are connected to the end portions of the cross rods respectively, the number of the hook-shaped protrusions is two, the two hook-shaped protrusions correspond to the limiting discs respectively, and the unlocking protrusion is located between the two hook-shaped protrusions.
As the improvement, canceling release mechanical system is the cover and is changeing epaxial reset torsion spring, reset torsion spring's one end top is touched on the horizontal pole, reset torsion spring's the other end joint is protruding on the unblock.
As an improvement, a second reset mechanism capable of keeping the forward rotation and falling trend of the bracket is connected to the cross rod.
The improved structure is characterized in that the second reset mechanism is a second reset torsion spring, the cross rod is a hollow bar rod, a connecting block penetrates through the bar rod, one end of the connecting block is connected with the limiting disc, the other end of the connecting block is provided with a connecting shaft rod, the connecting shaft rod is sleeved with the second reset torsion spring, one end of the second reset torsion spring is pressed against the rotating shaft, and the other end of the second reset torsion spring is pressed against the cross rod.
The improved structure is characterized in that a cross rod notch capable of clamping the second reset torsion spring is arranged on the cross rod.
The improved structure of the support is characterized in that the support comprises a left vertical rod, a right vertical rod and a horizontal rod, the bottom end of the left vertical rod can be detachably inserted into a concave part at the left end of the horizontal rod, a convex part positioned on the side wall at the bottom end of the left vertical rod is inserted into a waist-shaped hole of the concave part at the left end of the horizontal rod, the bottom end of the right vertical rod can be detachably inserted into a concave part at the right end of the horizontal rod, a convex part positioned on the side wall at the bottom end of the right vertical rod is inserted into a waist-shaped hole of the concave part at the right end of the horizontal rod, and a positioning sleeve capable of clamping the end part of the corresponding horizontal rod is respectively sleeved at the left end and the right end of the horizontal rod.
As an improvement, the top of the underframe is provided with an elastic limiting rod which can be contacted with the bracket to prevent the bracket from continuously rotating backwards.
Compared with the prior art, the utility model has the advantages of: when the pillow body falls down, the second notch can be abutted with the hook-shaped bulge, so that the pillow body in a falling state is prevented from shaking, and the using effect is good; the pillow body is triggered by the pull rope in the standing and falling process, so that the use is convenient and the operation is simple; hook-shaped bulges and corresponding limiting discs can be preferably arranged at two ends, so that the rotation stability is increased, and the use effect is further improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the vehicle seat of FIG. 1 at another angle with the vehicle seat removed;
FIG. 3 is a perspective view of FIG. 2 at another angle with a portion of the chassis broken away;
FIG. 4 is an exploded view of the structure of FIG. 3;
FIG. 5 is a further exploded view of the associated structure of the chassis and pillow of FIG. 4, with the relevant structure removed;
FIG. 6 is a front perspective view of FIG. 1 with the pillow and chassis removed;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;
fig. 9 is a cross-sectional view of the bracket of fig. 7 after rotation.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 9, the foldable car headrest of the present embodiment includes an underframe 1 capable of being fixed on a car seat and a bracket 2 capable of fixing a headrest body 3, a cross bar 21 at the bottom of the bracket 2 is rotatably connected to the underframe 1, a limiting disc 4 is concentrically fixed on the cross bar 21, a first notch 41 and a second notch 42 are provided on the side wall of the limiting disc 4, a rotating shaft 5 capable of rotating relative to the underframe 1 is provided on the underframe 1 below the cross bar 21, an unlocking protrusion 51 and a hook-shaped protrusion 52 capable of being buckled with the first notch 41 of the limiting disc 4 are provided on the rotating shaft 5, a reset mechanism capable of keeping the rotating trend of the hook-shaped end of the hook-shaped protrusion 52 towards one side of the limiting disc 4 so that the hook-shaped end can be abutted against the limiting disc 4 is provided on the rotating shaft 5, the unlocking protrusion 51 is connected with a pull rope 53, when the headrest body 3 is erected, the hook-shaped end of the hook-shaped protrusion 52 is buckled in the first notch 41, when the pulling rope 53 is pulled to separate the hook end of the hook projection 52 from the first notch 41, the pillow body 3 falls down, the hook end abuts against one side wall of the second notch 42, and the other side wall of the second notch 42 abuts against the bottom of the hook projection 52. The second notch 42 is in an inverted L shape, and the bottom of the hook-shaped protrusion 52 is provided with a tray structure 521 which can be in contact with the side wall of the second notch 42. The rotating shaft 5 is a hollow shaft, a fixed shaft lever 6 is arranged on the underframe 1, and the rotating shaft 5 is sleeved on the fixed shaft lever 6.
The number of the limiting discs 4 is two, the two limiting discs 4 are respectively connected to the end parts of the cross rods 21, the number of the hook-shaped protrusions 52 is two, the two hook-shaped protrusions 52 respectively correspond to the limiting discs 4, and the unlocking protrusion 51 is located between the two hook-shaped protrusions 52. The reset mechanism is a reset torsion spring 54 sleeved on the rotating shaft 5, one end of the reset torsion spring 54 is pressed against the cross rod 21, and the other end of the reset torsion spring 54 is clamped on the unlocking protrusion 51. A second reset mechanism which can keep the bracket 2 to rotate forwards and fall over is connected to the cross bar 21. The second canceling release mechanical system is second reset torsion spring 22, and horizontal pole 21 is hollow bar pole, has worn to put connecting block 23 in the bar pole, and the one end of connecting block 23 is connected with spacing dish 4, and the other end of connecting block 23 is provided with a connecting axle rod 24, has put second reset torsion spring 22 on connecting axle rod 24 cover, and the one end top of second reset torsion spring 22 touches in pivot 5, and the other end top of second reset torsion spring 22 touches on horizontal pole 21. The cross bar 21 is provided with a cross bar notch 211 which can be used for clamping the second reset torsion spring 22.
The working principle is as follows: the hook-shaped bulge is pulled out from the first notch after the pull rope is pulled, the pillow body rotates forwards and falls down, and the second notch is propped against the hook-shaped bulge; pulling the pull rope to separate the hook-shaped protrusion from the second notch, turning over the pillow body to reset, clamping the first notch and the hook-shaped protrusion together again, and locking the automobile headrest again.
Claims (10)
1. The utility model provides a folding car headrest, is including fixing chassis (1) on car seat and support (2) that can fix the pillow body (3), and horizontal pole (21) of support (2) bottom can be connected on chassis (1) with rotating, its characterized in that: a limiting disc (4) is concentrically fixed on a cross bar (21), a first notch (41) and a second notch (42) are arranged on the side wall of the limiting disc (4), a rotating shaft (5) capable of rotating relative to the chassis (1) is arranged on the chassis (1) below the cross bar (21), an unlocking protrusion (51) and a hook-shaped protrusion (52) capable of being buckled with the first notch (41) of the limiting disc (4) are arranged on the rotating shaft (5), a reset mechanism capable of keeping the hook-shaped end of the hook-shaped protrusion (52) to be in contact with the limiting disc (4) in a propping manner due to the rotating trend of the hook-shaped end to one side of the limiting disc (4) is arranged on the rotating shaft (5), the unlocking protrusion (51) is connected with a pull rope (53), when the pillow body (3) is erected, the hook-shaped end of the hook-shaped protrusion (52) is buckled in the first notch (41), and when the hook-shaped protrusion (53) is pulled to enable the hook-shaped end of the pull rope (52) to be separated from the first notch (41), the pillow body (3) is laid down, the hook-shaped end is abutted against one side wall of the second notch (42), and the other side wall of the second notch (42) is abutted against the bottom of the hook-shaped protrusion (52).
2. The headrest for cars of claim 1, characterized in that: the second notch (42) is inverted L-shaped, and a disc body structure (521) which can be in contact with the side wall of the second notch (42) is arranged at the bottom of the hook-shaped protrusion (52).
3. The headrest for cars of claim 2, characterized in that: the rotating shaft (5) is a hollow shaft, a fixed shaft lever (6) is arranged on the bottom frame (1), and the rotating shaft (5) is sleeved on the fixed shaft lever (6).
4. The headrest for cars of claim 3, characterized in that: the number of the limiting discs (4) is two, the two limiting discs (4) are connected to the end portion of the cross rod (21) respectively, the number of the hook-shaped protrusions (52) is two, the two hook-shaped protrusions (52) correspond to the limiting discs (4) respectively, and the unlocking protrusion (51) is located between the two hook-shaped protrusions (52).
5. The headrest for cars of any one of claims 1 to 4, characterized in that: the reset mechanism is a reset torsion spring (54) sleeved on the rotating shaft (5), one end of the reset torsion spring (54) is pressed against the cross rod (21), and the other end of the reset torsion spring (54) is connected to the unlocking protrusion (51) in a clamped mode.
6. The headrest for cars of any one of claims 1 to 4, characterized in that: and a second reset mechanism capable of keeping the forward rotation and falling trend of the bracket (2) is connected to the cross rod (21).
7. The headrest for cars of claim 6, characterized in that: the second reset mechanism is a second reset torsion spring (22), the cross rod (21) is a hollow bar-shaped rod, a connecting block (23) penetrates through the bar-shaped rod, one end of the connecting block (23) is connected with the limiting disc (4), the other end of the connecting block (23) is provided with a connecting shaft rod (24), the connecting shaft rod (24) is sleeved with the second reset torsion spring (22), one end of the second reset torsion spring (22) is pressed against the rotating shaft (5), and the other end of the second reset torsion spring (22) is pressed against the cross rod (21).
8. The headrest for cars of claim 7, characterized in that: and a cross bar notch (211) capable of clamping the second reset torsion spring (22) is arranged on the cross bar (21).
9. The headrest for cars of claim 7, characterized in that: support (2) are including left montant, right montant and horizontal pole (21), peg graft in horizontal pole (21) left end recess with shirking the bottom of left side montant, and the convex part that is located on the lateral wall of left side montant bottom is pegged graft in the waist type hole of horizontal pole (21) left end recess, peg graft in horizontal pole (21) right end recess with shirking the bottom of right side montant, and the convex part that is located on the lateral wall of right side montant bottom is pegged graft in the waist type hole of horizontal pole (21) right-hand member recess, has cup jointed respectively at the left end of horizontal pole (21) and right-hand member and has pressed from both sides position sleeve (7) that tightly correspond horizontal pole (21) tip.
10. The headrest for cars of any one of claims 1 to 4, characterized in that: the top of the chassis (1) is provided with an elastic limiting rod (25) which can be contacted with the bracket (2) to prevent the bracket (2) from continuously rotating backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120346365.5U CN214420276U (en) | 2021-02-06 | 2021-02-06 | Foldable automobile headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120346365.5U CN214420276U (en) | 2021-02-06 | 2021-02-06 | Foldable automobile headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214420276U true CN214420276U (en) | 2021-10-19 |
Family
ID=78070478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120346365.5U Active CN214420276U (en) | 2021-02-06 | 2021-02-06 | Foldable automobile headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214420276U (en) |
-
2021
- 2021-02-06 CN CN202120346365.5U patent/CN214420276U/en active Active
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