CN216454172U - Seat structure with detachable headrest - Google Patents
Seat structure with detachable headrest Download PDFInfo
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- CN216454172U CN216454172U CN202122926738.9U CN202122926738U CN216454172U CN 216454172 U CN216454172 U CN 216454172U CN 202122926738 U CN202122926738 U CN 202122926738U CN 216454172 U CN216454172 U CN 216454172U
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- rod
- frame
- extension plate
- connecting rod
- seat body
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Abstract
The utility model discloses a seat structure with a detachable headrest, which comprises a backrest frame, a guide post and a headrest frame, wherein the backrest frame is obliquely arranged on a seat body, the guide post is arranged at the top of the backrest frame, the guide post is provided with a plurality of adjusting holes, the headrest frame is provided with a locking device, and the locking device can drive the headrest frame to be switched among the adjusting holes and adjust the relative height of the headrest frame on the backrest frame. The backrest frame and the guide post are arranged integrally, corresponding coating layers are protected outside the backrest frame and the pillow frame, and the pillow frame can be detached and fixed on the seat body in the transportation process, so that the length of the backrest part is shortened, the transportation volume is effectively reduced, and the transportation cost is reduced; meanwhile, the height of the pillow part can be adjusted through the locking device when the chair is used by arranging the adjusting holes on the guide posts, so that the applicability of the chair is improved.
Description
Technical Field
The utility model relates to the field of seat products, in particular to a seat structure with a detachable headrest.
Background
The chair is a seat with a backrest and armrests. The existing seat generally comprises a seat body and a backrest part extending from the rear part of the seat body, but a headrest is generally arranged on the backrest part for better applicability of the seat, but the existing headrest is generally fixedly arranged, and meanwhile, for better appearance of the seat, the headrest and the backrest part are generally in transition connection. Therefore, the whole length of the backrest part is longer, the backrest part occupies larger volume during transportation, the transportation cost is higher, and the backrest part is single in length and poor in applicability due to fixed installation.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a seat structure with a detachable headrest, which aims to enable the headrest to be detachably mounted on a backrest part and be adjusted according to actual requirements, improve the applicability of the seat and reduce the transportation cost.
To achieve the above object, the present invention provides a seat structure with a detachable headrest, comprising:
the backrest frame is obliquely arranged on the seat body;
the guide post is arranged at the top of the backrest frame and provided with a plurality of adjusting holes;
the pillow frame is provided with a locking device which can drive the pillow frame to switch between the adjusting holes and adjust the relative height of the pillow frame on the backrest frame.
Preferably, the adjusting hole penetrates through the locking device, and an elastic clamping block is arranged on the inner side of the locking device and can be clamped in the adjusting hole.
Preferably, the elastic clamping block comprises a rod part and a clamping part, wherein the rod part is obliquely arranged, the clamping part is arranged on the rod part, and both the clamping part and the rod part can be elastically deformed.
Preferably, the backrest frame is pivotally mounted on the seat body and can drive the pillow frame to swing; and the front end of the seat body is provided with an extension plate in a swinging way, and the extension plate and the backrest frame swing relatively through a connecting rod structure.
Preferably, the link mechanism is pivotally connected to the seat body and the extension plate, respectively, a crank is pivotally connected between the seat body and the extension plate, and a driving device connected to the extension plate is further disposed on the lower wall of the seat body, and the driving device can drive the extension plate to swing and drive the link mechanism to move, so as to drive the backrest frame to swing.
Preferably, the two ends of the crank are provided with a first bending part and a second bending part, and the first bending part and the second bending part are respectively in pivot connection with the base body and the extension plate.
Preferably, the first bending portion and the crank are vertically arranged, and the second bending portion is obliquely arranged on the crank.
Preferably, the link mechanism comprises a first link and a second link, and the front end and the rear end of the first link are respectively and pivotally connected with the extension plate and the seat body; the front end and the rear end of the second connecting rod are respectively connected with the extending plate and the seat body in a pivoting mode.
Preferably, the first connecting rod comprises a first supporting rod and a second supporting rod which are connected with each other, the front end of the first connecting rod is pivotally connected with the upper part of the extension plate, and the rear end of the second connecting rod is pivotally connected with the seat body; the second connecting rod comprises a first auxiliary rod, a second auxiliary rod, a third auxiliary rod and a fourth auxiliary rod which are connected with each other, the front end of the first auxiliary rod is in pivot connection with the upper part of the extension plate, and the rear end of the fourth auxiliary rod is in pivot connection with the seat body.
Preferably, the backrest frame extends towards the seat body to form a first pivot rod, the seat body is provided with a second pivot rod matched with the pivot rod, the second pivot rod is arranged in an inclined manner, the fourth auxiliary rod is arranged in a bent manner, and a fifth auxiliary rod is pivotally mounted between the fourth auxiliary rod and the backrest frame.
According to the technical scheme, the backrest frame and the guide columns are integrally arranged, the corresponding coating layers are protected outside the backrest frame and the pillow frame, and the pillow frame can be detached and fixed on the seat body in the transportation process, so that the length of the backrest part is shortened, the transportation volume is effectively reduced, and the transportation cost is reduced; meanwhile, the height of the pillow part can be adjusted through the locking device when the chair is used by arranging the adjusting hole on the guide post, so that the applicability of the chair is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the pillow frame;
FIG. 3 is a schematic view of the crank and drive;
fig. 4 is a side view of the present invention.
In the figure, 1 is a backrest frame, 2 is a seat body, 3 is a guide post, 4 is an adjusting hole, 5 is a first connecting rod, 51 is a first supporting rod, 52 is a second supporting rod, 6 is a second connecting rod, 61 is a first auxiliary rod, 62 is a second auxiliary rod, 63 is a third auxiliary rod, 64 is a fourth auxiliary rod, 65 is a fifth auxiliary rod, 7 is an elastic clamping block, 71 is a rod part, 72 is a clamping part, 8 is an extension plate, 80 is a crank, 81 is a first bending part, 82 is a second bending part, 9 is a driving device, and 10 is a pillow frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as … …, which is up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are provided in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 4, a seat structure with a detachable headrest includes:
the backrest frame 1 is obliquely arranged on the seat body 2;
the guide post 3 is arranged at the top of the backrest frame 1, and the guide post 3 is provided with a plurality of adjusting holes 4;
a pillow frame 10, wherein the pillow frame 10 is provided with a locking device which can drive the pillow frame 10 to switch between the adjusting holes 4 and adjust the relative height of the pillow frame 10 on the backrest frame 1.
The backrest frame 1 and the guide columns 3 are arranged integrally, corresponding coating layers are protected outside the backrest frame 1 and the pillow frame 10, and the pillow frame 10 can be detached and fixed on the seat body 2 in the transportation process, so that the length of the backrest part is shortened, the transportation volume is effectively reduced, and the transportation cost is reduced; meanwhile, the height of the pillow part can be adjusted through the locking device when the seat is used by arranging the adjusting hole 4 on the guide post 3, so that the applicability of the seat is improved.
In the embodiment of the present invention, the adjusting hole 4 is disposed through, an elastic block 7 is disposed on the inner side of the locking device, and the elastic block 7 can be clamped in the adjusting hole 4. Namely, when the elastic fixture block 7 is clamped in the adjusting hole 4, the pillow frame 10 is locked, and the corresponding unlocking device can be unlocked or pressed by applying a certain force.
In the embodiment of the present invention, the elastic latch 7 includes a rod portion 71 obliquely disposed and a latch portion 72 disposed on the rod portion 71, and both the latch portion 72 and the rod portion 71 can be elastically deformed. The pillow frame 10 is locked by adopting a simple structure, namely the clamping part 72 is clamped in the adjusting hole 4, and when a certain force is applied, the pillow frame can be elastically deformed to realize unlocking; of course, in the embodiment, the locking of the pillow case 10 can be realized by the cooperation of the spring and the clip portion 72.
In the embodiment of the utility model, the backrest frame 1 is pivotally mounted on the seat body 2 and can drive the pillow frame 10 to swing; and the front end of the seat body 2 is provided with an extension plate in a swinging way, and the extension plate and the backrest frame 1 swing relatively through a connecting rod structure. When a rest is needed, the function of the reclining chair is realized by swinging the extension board to the position flush with the seat body 2 and inclining the backrest frame 1.
In the embodiment of the present invention, the link mechanism is pivotally connected to the seat body 2 and the extension plate 8, the crank 80 is pivotally connected between the seat body 2 and the extension plate 8, the lower wall of the seat body 2 is further provided with a driving device 9 connected to the extension plate 8, and the driving device 9 can drive the extension plate 8 to swing and drive the link mechanism to move, so as to drive the backrest frame 1 to swing. Simultaneous movement of the extension board and the back frame 1 is achieved by the same drive means 9. The driving device 9 comprises a motor and a driving rod connected with the motor, and the front end of the driving rod is connected with the extension plate 8.
In the embodiment of the present invention, the crank 80 is provided with a first bending portion 81 and a second bending portion 82 at two ends, and the first bending portion 81 and the second bending portion 82 are pivotally connected to the seat body 2 and the extension plate 8, respectively. Set up link mechanism in the below of pedestal 2, crank 80 and drive arrangement 9, when extension board 8 need swing, parallelogram's through link mechanism stable pivot structure has guaranteed that extension board 8's swing is smooth, simultaneously through crank 80 and drive arrangement 9's cooperation, the support and the locking effect to extension board 8 have been realized, the stable structure of class triangle-shaped can be played to the curvature through crank 80, the use of cardboard has been reduced, it is more convenient to make the regulation, and the installation is simpler.
In the embodiment of the present invention, the first bending portion 81 and the crank 80 are vertically disposed, and the second bending portion 82 is obliquely disposed on the crank 80.
In the embodiment of the utility model, the link mechanism comprises a first link 5 and a second link 6, wherein the front end and the rear end of the first link 5 are respectively and pivotally connected with the extension plate 8 and the seat body 2; the front end and the rear end of the second connecting rod 6 are respectively connected with the extending plate 8 and the seat body 2 in a pivoting way.
In the embodiment of the present invention, the first link 5 comprises a first strut 51 and a second strut 52 connected to each other, the front end of the first link 5 is pivotally connected to the upper portion of the extension board 8, and the rear end of the second link 6 is pivotally connected to the seat body 2; the second link 6 includes a first sub-lever 61, a second sub-lever 62, a third sub-lever 63 and a fourth sub-lever 64 connected to each other, a front end of the first sub-lever 61 is pivotally connected to an upper portion of the extension plate 8, and a rear end of the fourth sub-lever 64 is pivotally connected to the seat body 2. The first connecting rod 5 and the second connecting rod 6 form a relatively stable parallelogram structure, so that the stable supporting effect of the extension plate 8 is realized, the sliding is smoother, and the blocking condition is reduced.
In the embodiment of the present invention, the backrest frame 1 extends toward the seat body 2 to form a first pivot rod, the seat body 2 is provided with a second pivot rod matched with the pivot rod, the second pivot rod is arranged obliquely, the fourth sub-rod is arranged in a bent shape, and a fifth sub-rod 65 is pivotally installed between the fourth sub-rod 64 and the backrest frame 1. The inclined swinging of the back frame 1 and the pillow frame 10 is achieved by the arrangement of the fifth sub-lever 65.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A seat structure with a removable headrest, comprising:
the backrest frame is obliquely arranged on the seat body;
the guide post is arranged at the top of the backrest frame and provided with a plurality of adjusting holes;
the pillow frame is provided with a locking device which can drive the pillow frame to switch between the adjusting holes and adjust the relative height of the pillow frame on the backrest frame.
2. The seat structure with a removable headrest according to claim 1, wherein: the adjusting hole penetrates through the locking device, and an elastic clamping block is arranged on the inner side of the locking device and can be clamped in the adjusting hole.
3. A seat structure having a removable headrest according to claim 2 wherein: the elastic clamping block comprises a rod part and a clamping part, wherein the rod part is obliquely arranged, the clamping part is arranged on the rod part, and the clamping part and the rod part can be elastically deformed.
4. The seat structure with a removable headrest according to claim 1, wherein: the backrest frame is pivotally arranged on the seat body and can drive the pillow frame to swing; and the front end of the seat body is provided with an extension plate in a swinging way, and the extension plate and the backrest frame swing relatively through a connecting rod structure.
5. A seat structure having a removable headrest according to claim 4 wherein: the connecting rod mechanism is respectively in pivot connection with the base body and the extension plate, a crank is in pivot connection between the base body and the extension plate, a driving device connected with the extension plate is further arranged on the lower wall of the base body, and the driving device can drive the extension plate to swing and drive the connecting rod mechanism to move, so that the backrest frame is driven to swing.
6. A seat structure having a removable headrest according to claim 5 wherein: the two ends of the crank are provided with a first bending part and a second bending part, and the first bending part and the second bending part are respectively in pivot connection with the base body and the extension plate.
7. A seat structure having a removable headrest according to claim 6 wherein: the first bending portion and the crank are vertically arranged, and the second bending portion is obliquely arranged on the crank.
8. A seat structure having a removable headrest according to claim 6 wherein: the connecting rod mechanism comprises a first connecting rod and a second connecting rod, and the front end and the rear end of the first connecting rod are respectively in pivot connection with the extension plate and the seat body; the front end and the rear end of the second connecting rod are respectively connected with the extending plate and the seat body in a pivoting mode.
9. A seat structure having a removable headrest according to claim 8 wherein: the first connecting rod comprises a first supporting rod and a second supporting rod which are connected with each other, the front end of the first connecting rod is pivotally connected with the upper part of the extension plate, and the rear end of the second connecting rod is pivotally connected with the seat body; the second connecting rod comprises a first auxiliary rod, a second auxiliary rod, a third auxiliary rod and a fourth auxiliary rod which are connected with each other, the front end of the first auxiliary rod is pivotally connected with the upper part of the extension plate, and the rear end of the fourth auxiliary rod is pivotally connected with the seat body.
10. The seat structure with a removable headrest according to claim 9, wherein: the backrest frame is provided with a first pivot rod extending towards the seat body, the seat body is provided with a second pivot rod matched with the pivot rod, the second pivot rod is arranged in an inclined mode, the fourth auxiliary rod is arranged in a bent mode, and the fifth auxiliary rod is installed between the fourth auxiliary rod and the backrest frame in a pivot mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926738.9U CN216454172U (en) | 2021-11-25 | 2021-11-25 | Seat structure with detachable headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926738.9U CN216454172U (en) | 2021-11-25 | 2021-11-25 | Seat structure with detachable headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216454172U true CN216454172U (en) | 2022-05-10 |
Family
ID=81400500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122926738.9U Active CN216454172U (en) | 2021-11-25 | 2021-11-25 | Seat structure with detachable headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216454172U (en) |
-
2021
- 2021-11-25 CN CN202122926738.9U patent/CN216454172U/en active Active
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