CN220275250U - Headrest structure for seat - Google Patents
Headrest structure for seat Download PDFInfo
- Publication number
- CN220275250U CN220275250U CN202321851602.9U CN202321851602U CN220275250U CN 220275250 U CN220275250 U CN 220275250U CN 202321851602 U CN202321851602 U CN 202321851602U CN 220275250 U CN220275250 U CN 220275250U
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- headrest
- driving mechanism
- connecting piece
- driving motor
- driving
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- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000036544 posture Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to the technical field of seats, in particular to a headrest structure for a seat, which is characterized in that a first driving mechanism drives a first connecting piece to drive a headrest to rotate relative to a base, a second driving mechanism drives a second connecting piece to drive the headrest to rotate relative to the first connecting piece, the rotation range of the headrest is larger, the headrest is not only limited to rotate around one shaft, the effect of adjusting the positions and included angles of the headrest and the seat through multi-shaft rotation can be achieved, and the headrest structure is suitable for sitting postures of different users and convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of seats, in particular to a headrest structure for a seat.
Background
The seat is used as furniture necessary for daily life of people, the comfort of the seat is always concerned by users, and especially for long-time sitting people, the cervical vertebra of the people is easy to fatigue due to long-time office work, so that for a conventional seat, a headrest can be additionally arranged on the seat, and a structure capable of adjusting the angle of the headrest is arranged for relieving the problem that the cervical vertebra of the people is tired for a long time.
The Chinese patent with publication number of CN215347898U discloses an office chair headrest structure convenient to adjust, belongs to the field of office furniture accessories, and aims at the problem of poor adaptability of the existing office chair headrest structure, and adopts the following technical scheme: an office chair headrest structure convenient to adjust, comprising: the head and neck support piece and the base connected with the backrest are arranged in a flaring mode, the damping component is embedded in the bottom of the headrest main body, and the bottom of the damping component is provided with a first concave-convex surface which is concave-convex; the base of connecting the back, the base is rotated through connection structure and neck support piece and is connected, is equipped with the locating part on the base, and the upper surface of locating part is the second concave-convex surface that is concave-convex shape, and first concave-convex surface contradicts each other with the second concave-convex surface and spacing, makes neck support piece can change the junction angle between with the base under the application of force condition, and the problem that prior art exists is: the headrest support of the seat is connected with the base connected with the backrest through the connecting structure, and the angle suitable for placing the head of a user can be adjusted by adjusting the connecting angle between the headrest support and the base, but the headrest support can only rotate on a plane around the base and cannot be suitable for different sitting postures of different users.
Accordingly, the prior art seats are still in need of improvement.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to: a headrest structure for a seat is provided, which is capable of multi-axially rotating the angles of a headrest and the seat, and is suitable for sitting postures of different users.
The utility model adopts the technical scheme that: a headrest structure for seat, the base is used for with seat fixed connection, first actuating mechanism sets up on the base, the one end of first connecting piece with first actuating mechanism transmission is connected, first actuating mechanism is used for the drive first connecting piece for the base rotates, second actuating mechanism installs the other end of first connecting piece, one end of second connecting piece with second actuating mechanism transmission is connected, second actuating mechanism is used for the drive the second connecting piece for first connecting piece rotates, the rotation plane of second connecting piece with the rotation plane of first connecting piece is parallel, the headrest with the other end of second connecting piece rotates to be connected.
As a further improvement of the above technical solution, the first connecting piece includes two first connecting rods respectively connected with two ends of the first driving mechanism in a rotating manner, the second driving mechanism is fixedly connected between the two first connecting rods, the second connecting piece includes two second connecting rods respectively pivoted to the ends of the first connecting rods, at least one of the second connecting rods is connected with an output shaft of the second driving mechanism, two support rods vertically arranged are arranged on the headrest, and the other ends of the two second connecting rods are respectively pivoted to the two support rods.
As a further improvement of the technical scheme, the first driving mechanism comprises a first driving motor which is transversely arranged on the base, two output shafts which are respectively connected with the two first connecting rods in a transmission mode are arranged at two ends of the first driving motor, the second driving mechanism comprises a second driving motor which is transversely arranged and fixedly connected with two inner sides of the first connecting rods, two output shafts which are respectively connected with the two second connecting rods in a transmission mode are arranged at two ends of the second driving motor, the first driving motor drives the first connecting rods to rotate relative to the base and drive the headrest to rotate relative to the first connecting rods, and the second driving motor drives the second connecting rods to rotate relative to the first connecting rods and drive the headrest to rotate relative to the first connecting rods.
As the further improvement of above-mentioned technical scheme, all establish the electricity near the output shaft of first driving motor and second driving motor and be connected with more than two hall switch, first connecting rod and second connecting rod are close to all be equipped with on the medial surface of hall switch one end with hall switch pair's magnetism spare, when magnetism spare rotates to hall switch department, hall switch can respond to the magnetism number and stop first driving motor or second driving motor's rotation.
As a further improvement of the technical scheme, the first driving motor and the second driving motor are respectively provided with a circuit board beside the output shafts, the Hall switch is electrically connected to the circuit boards, and the circuit boards are used for controlling the switches of the first driving motor and the second driving motor.
As a further improvement of the technical scheme, protrusions are arranged at two ends of the second driving motor, and slots for inserting the protrusions into are formed in the inner side faces of the two first connecting rods.
As a further improvement of the technical scheme, a third driving motor for driving the support rod to rotate relative to the second connecting rod is arranged at the joint of the support rod and the second connecting rod.
The beneficial effects of the utility model are as follows: the first connecting piece is driven by the first driving mechanism to drive the headrest to rotate relative to the base, the second connecting piece is driven by the second driving mechanism to drive the headrest to rotate relative to the first connecting piece, the rotation range of the headrest is larger, the headrest is not limited to rotate around one axis, the effect of adjusting the positions and the included angles of the headrest and the seat through multi-axis rotation can be achieved, and the multifunctional chair is suitable for sitting postures of different users and convenient to adjust.
Drawings
The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.
Fig. 1 is a perspective view of a rear view of a headrest structure for a seat according to the present utility model;
fig. 2 is an exploded view of a headrest structure for a seat according to the present utility model;
fig. 3 is a structural view of the first and second driving motors of the present utility model.
In the figure: the device comprises a 1-base, a 2-first driving mechanism, a 21-first driving motor, a 3-first connecting piece, a 31-first connecting rod, a 32-slot, a 4-second driving mechanism, a 41-second driving motor, a 43-bulge, a 5-second connecting piece, a 51-second connecting rod, a 6-headrest, a 61-supporting rod, a 7-circuit board and a 71-Hall switch.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, a headrest structure for a seat according to an embodiment of the present utility model is first;
referring to fig. 1, the base 1 is fixedly connected with a seat, the first driving mechanism 2 is disposed on the base 1, one end of the first connecting member 3 is in transmission connection with the first driving mechanism 2, the first driving mechanism 2 is used for driving the first connecting member 3 to rotate relative to the base 1, the second driving mechanism 4 is mounted at the other end of the first connecting member 3, one end of the second connecting member 5 is in transmission connection with the second driving mechanism 4, the second driving mechanism 4 is used for driving the second connecting member 5 to rotate relative to the first connecting member 3, the rotation plane of the second connecting member 5 is parallel to the rotation plane of the first connecting member 3, and the headrest 6 is in rotation connection with the other end of the second connecting member 5;
in a preferred embodiment, referring to fig. 2, the first driving motor 21 is transversely disposed on the base 1, two first connecting rods 31 are respectively in transmission connection with output shafts at two ends of the first driving motor 21, the first driving motor 21 is used for driving the first connecting rods 31 to rotate relative to the base 1, two ends of the second driving motor 41 are respectively provided with a protrusion 43, inner side surfaces of the two first connecting rods 31 are provided with slots 32 for inserting the protrusions 43 therein, two second connecting rods 51 are respectively in transmission connection with output shafts at two ends of the second driving motor 41, the second driving motor 41 drives the second connecting rods 51 to rotate relative to the first connecting rods 31, and the other ends of the two second connecting rods 51 are respectively in rotational connection with the two supporting rods 61;
in an alternative embodiment, referring to fig. 3, the output shafts of the first driving motor 21 and the second driving motor 41 are respectively provided with a circuit board 7, the circuit boards 7 are electrically connected with more than two hall switches 71, and the inner sides of the first connecting rod 31 and the second connecting rod 51, which are close to one end of the circuit boards 7, are respectively provided with a magnetic member matched with the hall switches 71;
in other embodiments, a third driving motor is disposed at the connection between the second link 51 and the support rod 61, and the third driving motor drives the headrest to rotate relative to the second link 51;
the using effect is as follows:
when a user adjusts the placement angle of the headrest 6, the first driving motor 21 drives the first connecting rod 31 to rotate relative to the base 1, the second driving motor 41 drives the second connecting rod 51 to rotate relative to the first connecting rod 31, and the third driving motor drives the headrest 6 to rotate relative to the second connecting rod 51, so that the placement angle of the headrest 6 is adjusted to be the most comfortable for the user;
the magnetic member rotates along with the first link 31 and the second link 51, and when the first link 31 and the second link 51 rotate by a certain angle through the first driving motor 21 and the second driving motor 41, respectively, the hall switch 71 senses the magnetic member to generate a signal and transmits the signal to the circuit board 7 to control the first driving motor 21 and the second driving motor 41 and power off the same.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (7)
1. A headrest structure for a seat, comprising:
the seat comprises a base (1), wherein the base (1) is fixedly connected with a seat;
a first driving mechanism (2), wherein the first driving mechanism (2) is arranged on the base (1);
one end of the first connecting piece (3) is in transmission connection with the first driving mechanism (2), and the first driving mechanism (2) is used for driving the first connecting piece (3) to rotate relative to the base (1);
a second driving mechanism (4), wherein the second driving mechanism (4) is arranged at the other end of the first connecting piece (3);
the second connecting piece (5), one end of the second connecting piece (5) is in transmission connection with the second driving mechanism (4), the second driving mechanism (4) is used for driving the second connecting piece (5) to rotate relative to the first connecting piece (3), and the rotation plane of the second connecting piece (5) is parallel to the rotation plane of the first connecting piece (3);
and the headrest (6) is rotationally connected with the other end of the second connecting piece (5).
2. A headrest structure for seats as claimed in claim 1, wherein:
the first connecting piece (3) comprises two first connecting rods (31) which are respectively and rotatably connected with two ends of the first driving mechanism (2), and the second driving mechanism (4) is fixedly connected between the two first connecting rods (31);
the second connecting piece (5) comprises two second connecting rods (51) which are respectively pivoted to the tail ends of the first connecting rods (31), wherein at least one second connecting rod (51) is in transmission connection with an output shaft of the second driving mechanism (4);
two support rods (61) are vertically arranged on the headrest (6), and the other ends of the two second connecting rods (51) are respectively connected with the two support rods (61) in a rotating mode.
3. A headrest structure for seats as claimed in claim 2, wherein:
the first driving mechanism (2) comprises a first driving motor (21) transversely arranged on the base (1), and output shafts respectively connected with the two first connecting rods (31) in a transmission way are arranged at two ends of the first driving motor (21);
the second driving mechanism (4) comprises a second driving motor (41) which is transversely arranged and fixedly connected with the inner sides of the two first connecting rods (31), and output shafts which are respectively connected with the transmission of the two second connecting rods (51) are arranged at two ends of the second driving motor (41).
4. A headrest structure for seats as claimed in claim 3, wherein:
the output shafts of the first driving motor (21) and the second driving motor (41) are respectively provided with more than two Hall switches (71) which are electrically connected;
the inner side surfaces of the first connecting rod (31) and the second connecting rod (51) close to one end of the Hall switch (71) are respectively provided with a magnetic part matched with the Hall switch (71).
5. A headrest structure for seats as claimed in claim 4, wherein:
the Hall switch (71) is electrically connected to the circuit board (7).
6. A headrest structure for seats as claimed in claim 5, wherein:
two ends of the second driving motor (41) are provided with protrusions (43), and the inner side surfaces of the two first connecting rods (31) are provided with slots (32) for the protrusions (43) to be inserted into.
7. A headrest structure for seats as claimed in claim 6, wherein:
the joint of the support rod (61) and the second connecting rod (51) is provided with a third driving motor for driving the support rod (61) to rotate relative to the second connecting rod (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321851602.9U CN220275250U (en) | 2023-07-13 | 2023-07-13 | Headrest structure for seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321851602.9U CN220275250U (en) | 2023-07-13 | 2023-07-13 | Headrest structure for seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220275250U true CN220275250U (en) | 2024-01-02 |
Family
ID=89325848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321851602.9U Active CN220275250U (en) | 2023-07-13 | 2023-07-13 | Headrest structure for seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220275250U (en) |
-
2023
- 2023-07-13 CN CN202321851602.9U patent/CN220275250U/en active Active
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| GR01 | Patent grant |