CN210810137U

CN210810137U - Electric adjusting device and sofa support

Info

Publication number: CN210810137U
Application number: CN201921442484.XU
Authority: CN
Inventors: 卢伟
Original assignee: Dongguan Weihong Smart Home Technology Co Ltd
Current assignee: Dongguan Weihong Smart Home Technology Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-23
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an electric adjusting device and sofa support, electric adjusting device includes first mounting, the second mounting and have the drive arrangement of the reciprocal gliding output of straight line, the one end pin joint of second mounting is in first mounting, the drive arrangement pin joint is arranged in first mounting and with first mounting parallel and level, the pivot axis of the first mounting of slip direction perpendicular to of output and second mounting, it has a connecting piece to articulate on the output, this one end at second mounting and first mounting pin joint is fixed to the connecting piece, the relative first mounting of the other end of second mounting and drive arrangement downwardly extending and as being used for with the stiff end that back frame is fixed. This electric adjusting device can swing and take off the problem that highly is big that prior art exists for this device can be installed in the headrest frame, consequently just can give away the inner space of back frame, can allow the installation of other functional parts, is favorable to promoting the function diversification of sofa.

Description

Electric adjusting device and sofa support

Technical Field

The utility model relates to a furniture accessory technical field especially relates to an electric adjusting device and sofa support.

Background

Generally, in order to make the consumer feel more comfortable, the headrest of the sofa may adopt an angle-adjustable design, and the more traditional means for realizing the design is to arrange a hinge between the sofa main body and the headrest and to manually pull the headrest for adjustment. In another more advanced design scheme, a self-powered adjusting device is arranged in a backrest frame of the sofa, a movable part of the adjusting device is connected and fixed to a headrest frame, and the automatic adjustment of the angle of the headrest can be realized by the actuation of the adjusting device.

The existing adjusting device, such as the multifunctional lifting frame disclosed in the utility model with the publication number of CN104172793, has the characteristics of large volume and high height, and the movable part swings and goes up and down relative to the main body of the device, and needs to extend upwards into the headrest frame for fixing, so the existing adjusting device can only be installed in the backrest frame. However, most of the space in the backrest frame is occupied, and it is difficult to install other functional components such as a massage device and a physiotherapy device, so that the diversified development of the sofa functions is limited.

Therefore, in order to solve the above problems, it is necessary to provide an adjusting device which is compact and does not need to be installed in the backrest frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure, and need not to install the electric adjusting device in the back frame.

Another object of the utility model is to provide a sofa support that has this electronic adjusting device.

In order to achieve the above object, the utility model provides an electric adjusting device, including first mounting, second mounting and the drive arrangement who has the output of straight reciprocating sliding, the one end pin joint of second mounting in first mounting, the drive arrangement pin joint in first mounting and with the first mounting parallel and level is arranged, the slip direction perpendicular to of output the pivot axis of first mounting and second mounting, it has a connecting piece to articulate on the output, the connecting piece is fixed the second mounting with this one end of first mounting pin joint, the other end of second mounting is relative first mounting and drive arrangement downwardly extending and as being used for with the stiff end that back frame is fixed.

Compared with the prior art, the utility model discloses an among the electric adjusting device drive arrangement arrange with first mounting parallel and level, the one end and the first mounting pin joint of second mounting and the relative first mounting of the other end and drive arrangement downwardly extending are as the stiff end. And because the connecting piece hinged on the output end of the driving device is fixed at one end of the second fixing piece pivoted with the first fixing piece, and the sliding direction of the output end is perpendicular to the pivot axis of the first fixing piece and the second fixing piece, when the second fixing piece is still, the sliding and stretching of the output end relative to the driving device can drive the first fixing piece and the driving device to swing relative to the second fixing piece, thereby realizing the purpose of adjusting the angle of the headrest. Through the utility model discloses well drive arrangement's special setting mode and output and the connected mode of two mountings for this electric adjusting device can break away from the big problem of the height yardstick that current adjusting device exists, makes this electric adjusting device can install in headrest frame and need not install in backrest frame, consequently just can give out backrest frame's inner space, can allow the installation of other functional parts, is favorable to promoting the function diversification of sofa.

Preferably, the driving device is an electric push rod, and the output end is a push rod of the electric push rod.

Preferably, the first fixing member includes a straight first pivot arm and a headrest mounting arm fixed to one end of the first pivot arm and forming an L-shaped structure with the first pivot arm, the driving device is pivoted to the headrest mounting arm, and one end of the second fixing member is pivoted to the first pivot arm.

Specifically, the second fixing member is located between the driving device and the first pivoting arm.

Specifically, first mounting still including be fixed in headrest installation arm one end and relative the spacing arm that headrest installation arm buckles, drive arrangement is located first pin joint arm, headrest installation arm and the within range that spacing arm encloses.

Preferably, the second fixing member is an L-shaped structure and includes a second pivoting arm pivotally connected to the first fixing member and a backrest fixing arm bent and extending downward relative to the second pivoting arm, and the fixing end is located on the backrest fixing arm.

Specifically, the tail end of the second pivot arm is provided with a connecting part in a flat structure, the first fixing part is pivoted to the connecting part, and the connecting part is also fixed to the connecting part.

Preferably, one end of the first fixing member pivotally connected to the second fixing member has two limiting surfaces, the second fixing member is provided with a positioning column located between the two limiting surfaces, and the positioning column cooperates with the two limiting surfaces to limit the relative swing range of the first fixing member and the second fixing member.

In order to realize another purpose, the utility model also provides a sofa support, including headrest frame, back frame and foretell electric adjusting device, first mounting is fixed in the headrest frame, the second mounting the stiff end is fixed in the back frame.

Compared with the prior art, because the utility model discloses an electric adjusting device locates in the headrest frame among the sofa support, consequently the space in the frame of carrying on the back can not be occupied, can be used to set up other functional part, is favorable to promoting the function diversification of sofa.

Preferably, the headrest frame and the backrest frame are provided with an auxiliary hinge, the electric adjusting device is arranged at one end of the headrest frame and one end of the backrest frame, the auxiliary hinge is arranged at the other end of the headrest frame and the other end of the backrest frame, and the auxiliary hinge comprises a first hinge part fixed with the headrest frame and a second hinge part pivoted with the first hinge part and fixed with the backrest frame.

Drawings

Fig. 1 is a perspective view of the electric adjustment device of the present invention.

Fig. 2 is a perspective view of the electric adjustment device at another angle.

Fig. 3 is a perspective view of the electric adjustment device from yet another angle.

Fig. 4 is an exploded view of the electric adjustment device.

Fig. 5 is a perspective view of the sofa support of the present invention.

Fig. 6 is a side view of the sofa support of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

With reference to fig. 1 to 4, the present invention provides an electric adjusting device 1, which includes a first fixing member 11, a second fixing member 12 and a driving device 13, wherein the driving device 13 has an output end 131 capable of sliding linearly and reciprocally, the first fixing member 11 is used for being fixed to a headrest frame, and the second fixing member 12 is used for being fixed to a backrest frame. One end of the second fixing element 12 is pivoted to the first fixing element 11, the driving device 13 is pivoted to the first fixing element 11 and disposed flush with the first fixing element 11, the sliding direction of the output end 131 is substantially perpendicular to the pivot axis of the first fixing element 11 and the second fixing element 12, the output end 131 is hinged to a connecting element 14, the connecting element 14 is fixed at the end where the second fixing element 12 is pivoted to the first fixing element 11, and the fixing position of the connecting element 14 is close to the pivoting position of the second fixing element 12 and the first fixing element 11. The other end of the second fixing member 12 extends downward relative to the first fixing member 11 and the driving unit 13 and serves as a fixing end 125 for fixing to the back frame.

Specifically, the first fixing element 11 includes a straight first pivot arm 111 and a headrest mounting arm 112 fixed at one end of the first pivot arm 111 and forming an L-shaped structure with the first pivot arm 111, the output end 131 is located at one end of the driving device 13, the other end of the driving device 13 is pivoted on the headrest mounting arm 112, and one end of the second fixing element 12 is pivoted on the first pivot arm 111. Preferably, the first fixing member 11 further includes a limiting arm 114 fixed to one end of the headrest mounting arm 112 and bent with respect to the headrest mounting arm 112, and the driving device 13 is located in a range surrounded by the first pivot arm 111, the headrest mounting arm 112 and the limiting arm 114. The length and width dimensions of the first fixing member 11 are significantly larger than the height dimensions thereof, and the length and width dimensions of the driving device 13 are also significantly larger than the height dimensions thereof, and the driving device 13 and the first fixing member 11 are arranged flush, that is, the length and width directions of the two are substantially the same, and together form an integral structure with the length and width dimensions significantly larger than the thickness dimensions.

Since the output end 131 is connected to the second fixing element 12 through the connecting element 14, there is a gap between the driving device 13 and the first pivoting arm 111, and the second fixing element 12 is located between the driving device 13 and the first pivoting arm 111. The second fixing member 12 is an L-shaped structure and includes a second pivoting arm 122 and a backrest fixing arm 123, wherein the second pivoting arm 122 is pivoted to the first pivoting arm 111 and is disposed flush with the first pivoting arm 111 and the driving device 13, the backrest fixing arm 123 is bent downward relative to the second pivoting arm 122, and the fixing end 125 is located on the backrest fixing arm 123. A nut, a washer, or the like may be provided on the backrest securing arm 123 to assist the mounting. Specifically, the end of the second pivoting arm 122 has a connecting portion 124 with a flat structure, the first pivoting arm 111 is pivoted to the connecting portion 124, and the connecting member 14 is also fixed to the connecting portion 124.

Preferably, two spaced-apart position-limiting surfaces 118 are disposed at the positions where the first pivoting arm 111 and the second pivoting arm 122 are pivoted, and a positioning post 128 located between the two position-limiting surfaces 118 is fixed on the connecting portion 124 of the second pivoting arm 122. When the first fixing element 11 swings relative to the second fixing element 12, the positioning post 128 moves between the two position-limiting surfaces 118, and the positioning post 128 cooperates with the two position-limiting surfaces 118 to limit the relative swing range between the first fixing element 11 and the second fixing element 12.

Specifically, in the present embodiment, the driving device 13 is an electric push rod, and the output end 131 is a push rod of the electric push rod. In other embodiments, the driving device 13 may be another device, such as a motor, a lead screw nut, and a nut sliding on the lead screw as the output 131.

Referring to fig. 4, the headrest mounting arm 112 has a mounting position 119 recessed downward relative to the first pivot arm 111 and the limiting arm 114, and one end of the driving device 13 is pivoted to the mounting position 119. By providing the relatively concave mounting location 119, it is ensured that the driving device 13 is mounted as flush as possible with the first fixing element 11 without protruding too much.

Referring to fig. 5 and 6, the present invention further provides a sofa support, which comprises a headrest frame 2, a backrest frame 3 and the above-mentioned electric adjusting device 1, wherein the headrest frame 2 is fixed and supported in the headrest of the sofa, the backrest frame 3 is fixed and supported in the backrest of the sofa, the first fixing member 11 is fixed to the headrest frame 2, and the fixed end 125 of the second fixing member 12 is fixed to the backrest frame 3. The electric adjusting device 1 is arranged at one end of the headrest frame 2 and the backrest frame 3, an auxiliary hinge 4 is further arranged at the other end of the headrest frame 2 and the backrest frame 3, the auxiliary hinge 4 comprises a first hinge part 41 fixed with the headrest frame 2 and a second hinge part 42 pivoted with the first hinge part 41 and fixed with the backrest frame 3, and a limit structure which is the same as the limit surface 118 and the positioning column 128 is also arranged between the first hinge part 41 and the second hinge part 42. Through set up electric adjusting device 1 and supplementary hinge 4 respectively at headrest frame 2 and back frame 3's both ends, can make the support to headrest frame 2 more steady, be favorable to keeping the stability of headrest frame 2 swing in-process.

Compared with the prior art, the utility model discloses an among the electric adjusting device 1 drive arrangement 13 and first mounting 11 parallel and level are arranged, and the one end and the first pin joint arm 111 pin joint of second pin joint arm 122 and the relative first mounting 11 of the other end and drive arrangement 13 downwardly extending are regarded as stiff end 125. Since the connecting member 14 hinged to the output end 131 of the driving device 13 is fixed to one end of the second pivoting arm 122 pivoted to the first pivoting arm 111, that is, the connecting portion 124, and the sliding direction of the output end 131 is perpendicular to the pivot axis of the first pivoting arm 111 and the second pivoting arm 122, when the second fixing member 12 is stationary, the sliding and stretching of the output end 131 relative to the driving device 13 will drive the first fixing member 11 and the driving device 13 to swing relative to the second fixing member 12, thereby achieving the purpose of adjusting the angle of the headrest. Through the utility model discloses the special mode of setting of well drive arrangement 13 and the connected mode of output 131 and two mountings for this electric adjusting device 1 can be swung and take off the big problem of the high yardstick that current adjusting device exists, make this electric adjusting device 1 can install in headrest frame 2 and need not install in back frame 3, and disguised better, and the appearance is more pleasing to the eye, and consequently just can give way back frame 3's inner space, can allow the installation of other functional parts, be favorable to promoting the function diversification of sofa.

The above disclosure is only a preferred embodiment of the present invention, and the function is to facilitate the understanding and implementation of the present invention, which is not to be construed as limiting the scope of the present invention, and therefore, the present invention is not limited to the claims.

Claims

1. An electric adjusting device, characterized in that: comprises a first fixed part, a second fixed part and a driving device with an output end which linearly slides in a reciprocating way,

the one end pin joint of second mounting in first mounting, the drive arrangement pin joint in first mounting and with first mounting parallel and level are arranged, the slip direction perpendicular to of output the pivot axis of first mounting and second mounting, it has a connecting piece to articulate on the output, the connecting piece is fixed the second mounting with this one end of first mounting pin joint, the other end of second mounting is relative first mounting extends downwards with drive arrangement and as being used for with the stiff end that the back frame is fixed.

2. An electrical adjustment device according to claim 1, characterized in that: the driving device is an electric push rod, and the output end of the driving device is a push rod of the electric push rod.

3. An electrical adjustment device according to claim 1, characterized in that: the first fixing piece comprises a straight first pivot arm and a headrest mounting arm which is fixed at one end of the first pivot arm and forms an L-shaped structure with the first pivot arm, the driving device is pivoted on the headrest mounting arm, and one end of the second fixing piece is pivoted on the first pivot arm.

4. An electrical adjustment device according to claim 3, characterized in that: the second fixing piece is located between the driving device and the first pivoting arm.

5. An electrical adjustment device according to claim 3, characterized in that: the first fixing piece further comprises a limiting arm which is fixed at one end of the headrest mounting arm and is bent relative to the headrest mounting arm, and the driving device is located in the range enclosed by the first pivot joint arm, the headrest mounting arm and the limiting arm.

6. An electrical adjustment device according to claim 1, characterized in that: the second fixing piece is of an L-shaped structure and comprises a second pivoting arm pivoted with the first fixing piece and a backrest fixing arm which is bent and extends downwards relative to the second pivoting arm, and the fixing end is located on the backrest fixing arm.

7. An electrical adjustment device according to claim 6, wherein: the tail end of the second pivot arm is provided with a connecting part in a flat structure, the first fixing part is pivoted to the connecting part, and the connecting part is also fixed to the connecting part.

8. An electrical adjustment device according to claim 1, characterized in that: one end of the first fixing part pivoted with the second fixing part is provided with two limiting surfaces, the second fixing part is provided with a positioning column positioned between the two limiting surfaces, and the positioning column is matched with the two limiting surfaces to limit the relative swing range of the first fixing part and the second fixing part.

9. A sofa support is characterized in that: comprising a headrest frame, a backrest frame, and an electric adjustment device of any one of claims 1 to 8, the first fixing member being fixed to the headrest frame, the fixed end of the second fixing member being fixed to the backrest frame.

10. The sofa support according to claim 9, wherein: still include an auxiliary hinge, electric adjusting device locates headrest frame and back frame's one end, auxiliary hinge locates headrest frame and back frame's the other end, auxiliary hinge include with the fixed first articulated elements of headrest frame and with first articulated elements pin joint and with the fixed second articulated elements of back frame.