CN115303154A

CN115303154A - Back row seat that possesses back massage function

Info

Publication number: CN115303154A
Application number: CN202211143154.7A
Authority: CN
Inventors: 刘冬冬; 郭现磊; 王彩国; 刘干辉; 赵鹏程; 付灿灿
Original assignee: Chery New Energy Automobile Co Ltd
Current assignee: Chery New Energy Automobile Co Ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-11-08
Anticipated expiration: 2042-09-20
Also published as: CN115303154B

Abstract

The invention discloses a rear-row seat with a back massage function, which relates to the technical field of automobile seats and comprises a backrest framework and massage mechanisms arranged on the backrest framework, wherein each massage mechanism comprises massage ruler groups arranged in pairs, and one side of each massage ruler group is provided with a cam group; the massage ruler sets comprise shaft bodies, the shaft bodies are rotationally connected with the plurality of massage rulers along the axial direction of the shaft bodies, and the massage rulers of each pair of massage ruler sets are symmetrically arranged and extend towards two sides; the cam group comprises a cam shaft parallel to the shaft body, a plurality of cams corresponding to the massage ruler one by one are fixed on the cam shaft, and a set included angle is formed between every two adjacent cams; the cam shaft is connected with the driving mechanism so as to enable the cam to be in contact with or far away from the massage ruler. The massage ruler circularly moves by contacting or separating the cam with the massage ruler, thereby realizing massage action; can be suitable for the shape of the back of a human body and has simple structure.

Description

Back row seat that possesses back massage function

Technical Field

The invention relates to the technical field of automobile seats, in particular to a rear seat with a back massage function.

Background

The current market motorcycle type increases back massage function usually to the seat to promote the travelling comfort of taking, weaken tired and feel. In the prior art, a plurality of seats with massage functions are available, but a pneumatic mechanism is usually adopted, but the pneumatic mechanism is usually realized in an air bag form, the air bag has a large contact area with the back of a passenger, point contact massage cannot be realized, and the massage effect is general. Because the front-row seat framework has the advantages of structural advantages, larger thickness and larger internal space, various adjusting mechanisms are relatively easier to arrange, and the requirement on the massage mechanism is not high; the back of the back row seat has smaller thickness and relatively narrower internal space, thereby having certain requirements on the massage mechanism.

For example: CN114715007A discloses a modular assembly type car seat convenient to assemble, disassemble and maintain, which drives a bevel gear to rotate through an output end of a motor when a waist feels untimely after sitting through a motor, a bevel gear, a cam shaft, an elastic strip, a limiting rod, a limiting frame and an elastic plate, then drives the cam shaft to rotate through the meshing of two bevel gears, and enables the elastic strip and the elastic plate to be bent and deformed to jack up the surface of a backrest after the cam shaft rotates. Wherein, the elastic strip is vertical to be set up, and the cam corresponds to the elastic strip middle part to can make the elastic strip middle part protruding. The scheme has the function of waist drop, and the massage function can not be realized.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a back row seat with a back massage function, which enables a massage ruler to move circularly by contacting or separating a cam with the massage ruler to realize massage action; can be suitable for the shape of the back of a human body and has simple structure.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the embodiment of the invention provides a back-row seat with a back massage function, which comprises a backrest framework and massage mechanisms arranged on the backrest framework, wherein each massage mechanism comprises massage ruler groups arranged in pairs, and one side of each massage ruler group is provided with a cam group;

the massage ruler sets comprise shaft bodies, the shaft bodies are rotationally connected with the plurality of massage rulers along the axial direction of the shaft bodies, and the massage rulers of each pair of massage ruler sets are symmetrically arranged and extend towards two sides; the cam group comprises a cam shaft parallel to the shaft body, a plurality of cams corresponding to the massage ruler one by one are fixed on the cam shaft, and a set included angle is formed between every two adjacent cams; the cam shaft is connected with a driving mechanism so as to enable the cam to be in contact with or far away from the massage ruler.

As a further implementation, the massage ruler comprises a long arm and a short arm which are connected into a whole, and the short arm is used for matching with the cam.

As a further implementation, the long arm is of an arc structure, and the long arm protrudes towards the backrest skeleton side.

As a further implementation mode, the lengths of the long arms of the massage rulers in each massage ruler group are the same or different.

As a further implementation, the cams at both ends of the camshaft form the set margin interval.

As a further realization mode, the massage ruler further comprises a shell, the cam group and the driving mechanism are installed in the shell, and the massage ruler extends out of two sides of the shell.

As a further implementation, the housing includes a mounting plate and a protective cover, the protective cover and the mounting plate forming a mounting cavity.

As a further implementation mode, the two sides of the shell are of an opening structure.

As a further implementation, the housing is in a U-shaped configuration.

As a further implementation mode, the driving mechanism comprises a motor and a gear set, and the motor is connected with the cam shaft through the gear set.

The invention has the following beneficial effects:

(1) The massage ruler set comprises massage ruler sets which are arranged in pairs, wherein the massage rulers in each pair of massage ruler sets are symmetrically arranged and extend towards two sides, so that the massage ruler set can adapt to the distribution of bones on the back of a human body; contact or keep away from through cam and massage chi one end, make the massage chi rotate on the axis body, realize the lifting and fall down, increase the home range to reach the massage to the back, through the massage chi action of perpendicular to axis body axis direction, make the massage more comfortable.

(2) The massage ruler is provided with the arc-shaped long arm and the short arm which is connected with the long arm into a whole, and the short arm is contacted with or separated from the cam to enable the long arm to be lifted or descended; the adjacent cams form a certain included angle, so that the massage rulers of the same massage ruler group sequentially act, and the massage rulers of the two symmetrical massage ruler groups synchronously act to realize uniform massage.

(3) The driving mechanism is provided with the fixed gear, so that the mechanism on two sides can be driven by one motor to move in the same way, namely, under the condition that the motor gear rotates clockwise, the cam shaft gear on one side and the fixed gear can rotate anticlockwise, and the cam shaft gear on the other side meshed with the fixed gear can rotate clockwise, so that the effect of reversing the cam shaft gears on two sides is achieved, and the effect of simultaneous action of the massage ruler is achieved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;

fig. 2 is a perspective view of a massage mechanism according to one or more embodiments of the present invention;

fig. 3 is a front view of a massage mechanism according to one or more embodiments of the invention;

FIG. 4 is a schematic view of a cam and massage rule arrangement according to one or more embodiments of the present invention;

FIG. 5 is a schematic illustration of a gear set configuration according to one or more embodiments of the present invention.

Wherein, a is a backrest framework, b is a massage mechanism;

1-protective cover, 2-mounting plate, 3-cam, 4-massage ruler, 4 a-long arm, 4 b-short arm, 5-camshaft, 6-shaft body, 7-camshaft gear, 8-motor gear, 9-motor, 10-fixed gear; 11-camshaft installing support, 12-shaft body installing support, 13-motor installing support and 14-gear installing support.

Detailed Description

The first embodiment is as follows:

the embodiment provides a back-row seat with a back massage function, wherein a backrest framework a is taken as a reference standard, the side where a massage mechanism b is located is the back side, and the other side of the backrest framework a is the front side; as shown in fig. 1, the massage chair comprises a backrest framework a and a massage mechanism b, wherein the massage mechanism b is arranged on the back side of the backrest framework a; the massage mechanism b adopts the cam group to drive the massage ruler group to move back and forth (close to or far away from the backrest skeleton a), and realizes the massage on the back of the human body through the massage ruler group.

The massage mechanism b and the backrest framework a of the embodiment are connected through bolts, and are convenient to detach.

As shown in fig. 2 and 3, the massage mechanism b comprises a shell, a cam group, a massage ruler group and a driving device, wherein the shell plays a role in protecting the internal structure; in this embodiment, the casing includes mounting panel 2 and backplate 1, and mounting panel 2 is fixed with back skeleton a, and backplate 1 forms the installation cavity with mounting panel 2, and cam group, massage chi group and drive arrangement locate the installation cavity and be connected to mounting panel 2.

The two sides of the shell are of an opening structure, and the massage ruler group part extends out of the shell to play a massage role. The shell of this embodiment sets up to U type structure, can enough guarantee the installation of each part, can not make the casing too big again and occupy back of the body frame a back space, can subtract the weight simultaneously.

The massage rulers are arranged in pairs, and each pair of massage rulers are symmetrically distributed; in consideration of the installation space of the seats, in the present embodiment, each seat is provided with a pair of massage rule groups, each corresponding to one cam group.

As shown in fig. 2 and 3, the massage ruler set comprises a shaft body 6 and a plurality of massage rulers 4, the axis direction of the shaft body 6 is arranged along the height direction of the seat, the shaft body 6 is fixed with the mounting plate 2 through a shaft body mounting bracket 12, and the shaft body mounting bracket 12 is provided in a plurality of ways.

The massage chi 4 of two massage chi groups all sets up towards the casing outside, and every massage chi 4's extending direction is radial along the axis body 6 promptly to adapt to human skeleton, form more comfortable massage effect.

In this embodiment, for the stability of assurance structure, axis body installing support 12 evenly distributed, axis body installing support 12 locates between massage chi 4, and two massage chi 4 at every interval set up an axis body installing support 12. Of course, the distribution of the shaft mounting brackets 12 may also be adjusted, for example, one shaft mounting bracket 12 may be mounted every other one or three massage rulers 4.

The shaft body mounting bracket 12 only plays a supporting role, and the shape thereof can be set according to actual requirements.

A plurality of massage chi 4 are along 6 axis direction interval distribution of axis body, and massage chi 4 rotates with axis body 6 to be connected, for example through being connected such as bearing, sleeve, as long as guarantee that massage chi 4 can be for 6 rotations of axis body, can not follow 6 axial displacement of axis body.

As shown in fig. 4, the massage ruler 4 includes a long arm 4a and a short arm 4b connected as a whole, and the junction of the long arm 4a and the short arm 4b is connected with the shaft body 6 to form an arc section adapted to the shape of the shaft body 6. The long arm 4a is of an arc-shaped structure, and extends to a certain length from the lateral outer side of the shaft body 6, and the length can be set according to the size requirement of the seat; the long arm 4a is convex toward the backrest frame a, and a massage function is realized by the movement of the long arm 4 a.

In this embodiment, the lengths of the long arms 4a of the massage rulers 4 are the same; however, in practice, the massage positions of the back of a human body are different due to different body shapes of the human body, so that the long arm 4a of the massage ruler can be designed to have different lengths from top to bottom according to requirements.

The short arm 4b is a horizontal segment having a certain length, which can be in contact with the cam 3; with reference to the direction of the view of fig. 4, the cam 3, when in contact with the short arm 4b, enables the long arm 4a to be raised, and the cam 3, when out of contact with the short arm 4b, enables the long arm 4a to fall; the massage is realized through the repeated lifting and falling process of the long arm 4 a. Because long arm 4a is the arc that has certain length, compares in the mode that current cam massages, this embodiment is more even, mitigatees the application of force to the back, can not cause the back discomfort.

As shown in fig. 2 to 4, the cam assembly includes a cam shaft 5, and a plurality of cams 3 fixed to the cam shaft 5, wherein the cam shaft 5 and the shaft body 6 are parallel to each other and have a radial distance that satisfies the condition that the cams 3 can contact the short arms 4 b.

In the present embodiment, the cam 3 and the camshaft 5 are fixed by a dowel pin or other means.

Cam 3 and massage chi 4 one-to-one, cam 3's installation satisfies: a certain included angle is formed between the adjacent cams 3, and the included angle is smaller than 60 degrees, so that the adjacent massage rulers 4 act in sequence in the same massage ruler group, and the massage effect is better. The cams 3 at the two ends of the cam shaft 5 form a set margin interval, so that when the massage mechanism b does not work, the motor 9 needs to automatically recover the rotating interval angle; but because the rotation angle required to be arranged can be adjusted, the angle of the dead zone can also be changed.

In the present embodiment, the cam 3 is arranged on the camshaft 5 at a rotational angle of 50 °, leaving a space of 110 ° in design. Of course, in other embodiments, the angle may be adaptively adjusted.

The driving mechanism of the embodiment adopts a gear set driven by a motor 9, as shown in fig. 2, fig. 3 and fig. 5, the motor 9 is connected with two camshafts 5 through the gear set, the gear set comprises a camshaft gear 7, a motor gear 8 and a fixed gear 10, wherein the camshaft gear 7, the motor gear 8 and the fixed gear 10 are named for functionality, and the structure of the gears is not limited.

One end of the cam shaft 5 is provided with cam shaft gears 7, one cam shaft gear 7 is meshed with a motor gear 8, and the motor gear 8 is connected with a motor 9; the motor gear 8 is meshed with the other cam shaft gear 7 through a fixed gear 10; the movement speed of the cam shafts 5 on both sides is ensured to be the same through the gear set.

In this embodiment, design fixed gear 10, the mechanism that realizes that a motor 9 drives both sides simultaneously moves according to the same mode, under the clockwise rotation condition of motor gear 8 promptly, left side camshaft gear 7 and fixed gear 10 then can anticlockwise rotation, and the right side camshaft gear 7 with fixed gear 10 meshing then realizes clockwise rotation, accomplishes the effect that camshaft gear 7 of the left and right sides realized the reversal to reach the effect about when massage chi 4.

The working principle of the embodiment is as follows:

when motor 9 drives motor gear 8 clockwise rotation, through the gear train effect, left side camshaft gear 7 rotates anticlockwise thereupon, and corresponding camshaft 5 and cam 3 thereon also can anticlockwise rotate, and the cam 3 of different positions can be successively with the short arm 4b contact of massage chi that corresponds, realize massage chi short arm 4b downstream to accomplish the ascending action of massage chi long arm 4a, reach the effect of massaging the back.

The right camshaft gear 7, the camshaft 5 and the cam 3 on the camshaft are rotated in opposite directions, but the massage ruler short arm 4b on the right side can move downwards and the massage ruler long arm 4a can move upwards.

The above-mentioned up and down are referred to the view directions of fig. 4 and 5, and the direction shown in fig. 3 is the forward and backward movement.

Due to the requirement of massage intensity, the moving amount of the long arm 4a in up-and-down circular motion can be changed according to the requirement, and different massage force can be realized by adjusting the distance between the short arm 4b and the cam 3 of the 1 st machine.

The massage mechanism b of the present embodiment is also applied to a front seat of a vehicle.

In the embodiment, the massage ruler 4 is transversely arranged (the axial direction of the shaft body 6 is used as the longitudinal direction), the massage ruler adapts to the shape of human bones, the cam 3 is in contact with or separated from the short arm 4b of the massage ruler 4, the long arm 4a faces or is far away from the backrest skeleton a, and the surface of the long arm can be raised when the long arm faces the backrest skeleton a, so that the massage effect is realized.

And the massage rulers 4 are arranged in pairs, each pair of massage ruler sets can synchronously act under the action of the driving mechanism, and the massage rulers 4 in each massage ruler set can act at intervals due to the included angle between the cams 3, so that a better massage effect can be achieved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A back row seat with a back massage function is characterized by comprising a backrest framework and a massage mechanism arranged on the backrest framework, wherein the massage mechanism comprises massage ruler groups arranged in pairs, and one side of each massage ruler group is provided with a cam group;

the massage ruler sets comprise shaft bodies, the shaft bodies are rotationally connected with the plurality of massage rulers along the axial direction of the shaft bodies, and the massage rulers of each pair of massage ruler sets are symmetrically arranged and extend towards two sides; the cam group comprises a cam shaft parallel to the shaft body, a plurality of cams corresponding to the massage ruler one by one are fixed on the cam shaft, and a set included angle is formed between every two adjacent cams; the cam shaft is connected with the driving mechanism so as to enable the cam to be in contact with or far away from the massage ruler.

2. The back row seat with a back massage function as claimed in claim 1, wherein the massage ruler comprises a long arm and a short arm connected as a whole, and the short arm is used for matching with the cam.

3. The back row seat with back massaging function as claimed in claim 2, wherein said long arm is of an arc-shaped structure which is convex toward the back frame side.

4. The back seat with a back massage function according to claim 2, wherein the lengths of the long arms of the massage rulers are the same or different in each massage ruler group.

5. The back seat with a back massage function as claimed in claim 1, wherein the cams at both ends of the cam shaft form a set margin section.

6. The back row seat with the back massage function as claimed in claim 1, further comprising a housing, wherein the cam unit and the driving mechanism are installed in the housing, and the massage ruler is extended to both sides of the housing.

7. The back row seat with the back massage function as claimed in claim 6, wherein the housing comprises a mounting plate and a protecting cover, and the protecting cover and the mounting plate form a mounting cavity.

8. The back row seat with the back massage function as claimed in claim 7, wherein the two sides of the housing are open.

9. The back row seat with the back massage function as claimed in claim 6 or 7, wherein the housing has a U-shaped structure.

10. The back row seat with the back massage function as claimed in claim 1, wherein the driving mechanism comprises a motor and a gear set, and the motor is connected with the cam shaft through the gear set.