CN214284149U

CN214284149U - Adjusting bracket for sofa headrest

Info

Publication number: CN214284149U
Application number: CN202023058342.9U
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: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a sofa is adjustment support for headrest, including fixed base member, first rocker, second rocker, connecting rod and driver. The first rocker is pivoted with the fixed base to form a first pivoting center line, and the second rocker is pivoted with the fixed base to form a second pivoting center line; the first pivot central line and the second pivot central line are spaced and parallel to each other, the connecting rod is respectively pivoted with the first rocker and the second rocker, and the first rocker, the second rocker, the connecting rod and the fixed base form a double-rocker mechanism together; the driver is arranged on the fixed base body and used for driving the second rocker or the connecting rod to move, and the first rocker extends out of an assembly section for assembling the sofa headrest, which crosses the connecting rod, along the direction far away from the first pivoting center line. The utility model discloses a many connecting rod structures have been simplified to sofa adjustment support, and to a great extent has reduced shared space, and simultaneously, the output of driver is more direct more abundant, and the action reaction is sensitive.

Description

Adjusting bracket for sofa headrest

Technical Field

The utility model relates to a sofa especially relates to a sofa is adjustment support for headrest.

Background

The headrest is widely used in furniture such as sofas and chairs, and is used for being cushioned on the head of a human body to improve the comfort level of the human body when the human body sits and lies.

Wherein, in intelligent house, the headrest device generally has electric control function, and it can rotate under the drive of power supply to for the support that human head provided the multi-angle, realize the intelligent regulation of self angle.

In the existing headrest device, the angle of the headrest is adjusted by a power source (such as a motor, a cylinder or an oil cylinder) under the action of a multi-link mechanism, and because four connecting rods and a left transverse pipe and a right transverse pipe which are connected in the middle are used, the structure is relatively complex, and the occupied space is larger; meanwhile, the force output of the power source is not direct, so the action reaction is clumsy.

Therefore, there is a need for an adjustment bracket for a sofa headrest that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sofa is adjustment support for headrest can simplify the structure and reduce shared space, still has the sensitive advantage of action reaction.

In order to achieve the above object, the adjusting bracket for sofa headrest of the present invention comprises a fixing base, a first rocker, a second rocker, a connecting rod and a driver. The first rocker is pivoted with the fixed base to form a first pivoting central line, the second rocker is pivoted with the fixed base to form a second pivoting central line, and the first pivoting central line and the second pivoting central line are spaced and parallel to each other; the connecting rod is respectively pivoted with the first rocker and the second rocker, and the first rocker, the second rocker, the connecting rod and the fixed base form a double-rocker mechanism together; the driver is mounted on the fixed base body and used for driving the second rocker or the connecting rod to move, and the first rocker further extends out of an assembling section for assembling the sofa headrest, which crosses the connecting rod, in the direction far away from the first pivoting center line.

Preferably, the connecting rod further extends beyond the extending section of the second rocker along a direction away from the first rocker, the driver is located in front of the extending section along the extending direction of the extending section, the driver comprises a driver body and a telescopic sliding rod capable of sliding telescopically on the driver body, the driver body is pivoted with the fixed base body, and the telescopic sliding rod is pivoted with the extending section.

Preferably, one of the extension section and the fixed base body is provided with a guide protrusion, and the other of the extension section and the fixed base body is provided with an arc guide long groove protruding in a direction away from the telescopic slide rod.

Preferably, the first rocker swings around the first pivot center line to have an initial position and an adjustment position, the fixed base is provided with a first positioning column, the edge of the first rocker is provided with a first positioning notch, and the first positioning column is in positioning fit with the first positioning notch when the first rocker is switched to the initial position.

Preferably, the first rocker is provided with a second positioning column, the edge of the connecting rod is provided with a second positioning notch, and the second positioning column is in positioning fit with the second positioning notch when the first rocker is switched to the adjusting position.

Preferably, the utility model discloses an adjustment support for sofa headrest still include with the fixed base member separate each other and the supplementary fixed base member of arranging side by side and with the supplementary rocker that first rocker was arranged side by side, supplementary rocker with supplementary fixed base member pin joint.

Preferably, an auxiliary positioning notch is formed in the edge of the auxiliary rocker, an auxiliary positioning column is arranged on the auxiliary fixing base body, and the auxiliary positioning column is in positioning fit with the auxiliary positioning notch when the first rocker is switched to the initial position.

Preferably, the driver is located in a space sandwiched between the fixing base and the auxiliary fixing base.

Preferably, the fixing base and the auxiliary fixing base are each a plate-shaped member.

Preferably, the first rocking bar and the second rocking bar are inclined relative to the fixed base in a direction close to the actuator body when the first rocking bar is switched to the initial position.

Compared with the prior art, because the utility model discloses an adjustment support for sofa headrest includes fixed base member, first rocker, the second rocker, connecting rod and driver, first rocker, the second rocker, connecting rod and fixed base member four constitute two rocker mechanisms jointly, the driver is installed in fixed base member and is used for driving second rocker or connecting rod motion, first rocker still extends along the direction of keeping away from first pin joint central line and passes the assembly section of confession sofa headrest assembly of connecting rod, the structure has been simplified like this to many link mechanism design, this is because many link structure use four connecting rods and a violently pipe, and the utility model discloses an adjustment support for sofa headrest only uses a connecting rod, correspondingly, reduces occupation space and convenient equipment; simultaneously, because the driver is used for ordering about the motion of second rocker or connecting rod, the power output of driver is more direct more abundant, so make the utility model discloses a sofa is power reaction sensitivity of adjusting support for headrest. In addition, the sofa headrest of the utility model can be completely wrapped inside the sofa after the adjustment bracket is installed, thereby being beautiful and saving space.

Drawings

Fig. 1 is a schematic perspective view of the adjusting bracket for sofa headrest of the present invention when the first rocker is switched to the initial position.

Fig. 2 is a schematic perspective view of the adjusting bracket for a sofa headrest shown in fig. 1 at another angle.

Fig. 3 is a schematic plan view of the headrest for the sofa shown in fig. 2 after the auxiliary fixing base and the auxiliary rocker are hidden and projected in a direction indicated by an arrow a.

Fig. 4 is a schematic view of the state of the adjustment bracket for a sofa headrest shown in fig. 3 when the first rocking bar is switched to the adjustment position.

Detailed Description

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

Referring to fig. 1 to 4, an adjusting bracket 100 for a sofa headrest according to the present invention includes a fixing base 10, a first rocking bar 20, a second rocking bar 30, a connecting rod 40 and a driver 50. The first rocker 20 is pivotally connected to the fixed base 10 to form a first pivot center line C1, the second rocker 30 is pivotally connected to the fixed base 10 to form a second pivot center line C2, and the first pivot center line C1 and the second pivot center line C2 are spaced apart from and parallel to each other, for example, in fig. 3, the first pivot center line C1 is located at the upper right of the second pivot center line C2, but not limited thereto. The connecting rod 40 is respectively pivoted with the first rocker 20 and the second rocker 30, so that the first rocker 20, the second rocker 30, the connecting rod 40 and the fixed base 10 jointly form a double-rocker mechanism. The driver 50 is mounted on the fixed base 10 and is used for driving the connecting rod 40 to move, but the driver 50 may drive the second rocking bar 30 to move according to actual needs, but not limited thereto. The first rocking bar 20 further extends beyond the assembling section 21 of the connecting rod 40 in a direction away from the first pivot center line C1, preferably, in fig. 3, the assembling section 21 extends toward the right side of the fixing base 10 to facilitate the assembling and fixing of the sofa headrest 200 with the first rocking bar 20 by means of the assembling section 21, but not limited thereto. Specifically, the connecting rod 40 further extends beyond the extension section 41 of the second rocking bar 30 in a direction away from the first rocking bar 20, for example, in fig. 3, the extension section 41 extends out toward the lower side of the fixed base 10, but not limited thereto; the driver 50 is located in front of the extending section 41 along the extending direction of the extending section 41, the driver 50 includes a driver body 51 and a telescopic sliding rod 52 capable of sliding telescopically on the driver body 51, the driver body 51 is pivoted with the fixed base 10, and the telescopic sliding rod 52 is pivoted with the extending section 41; therefore, in the process of the telescopic sliding rod 52 sliding out and out on the actuator body 51, the connecting rod 40 is driven to drive the first rocker 20 in fig. 3 to swing upwards around the first pivot center line C1 in an anticlockwise manner, and simultaneously drive the second rocker 30 in fig. 3 to swing upwards around the second pivot center line C2 in an anticlockwise manner, so as to adjust the sofa headrest 200 assembled on the first rocker 20, as shown in fig. 4; in the process of the retraction sliding movement of the telescopic sliding rod 52 on the actuator body 51, the connecting rod 40 is driven to drive the first rocking bar 20 in fig. 3 to swing clockwise around the first pivot center line C1, and simultaneously drive the second rocking bar 30 in fig. 3 to swing clockwise around the second pivot center line C2. More specifically, the following:

as shown in fig. 1, 3 and 4, in order to improve the smoothness and reliability of the movement of the link 40 driven by the driver 50, the fixed base 10 has a guide protrusion 60, the extension 41 is provided with an arc guide slot 70, and the arc guide slot 70 protrudes in a direction away from the telescopic slide rod 52, so that the smoothness and reliability of the movement of the link 40 are ensured by the guide sliding of the guide protrusion 60 in the arc guide slot 70 during the movement of the link 40 driven by the driver 50. Specifically, the first rocker 20 swings around the first pivot center line C1 to have an initial position as shown in fig. 3 and an adjustment position as shown in fig. 4, the fixed base 10 is provided with a first positioning post 11, the edge of the first rocker 20 is provided with a first positioning notch 22, and the first positioning post 11 is in positioning fit with the first positioning notch 22 when the first rocker 20 is switched to the initial position as shown in fig. 1 or fig. 3, so as to provide a positioning function for the first rocker 20 and prevent the first rocker 20 at the initial position from further continuing to swing in a direction approaching the second pivot center line C2; meanwhile, the first rocker 20 is provided with a second positioning column 23, the edge of the connecting rod 40 is provided with a second positioning notch 42, and the second positioning column 23 is in positioning fit with the second positioning notch 42 when the first rocker 20 is switched to the adjusting position as shown in fig. 4, so that the adjusted sofa pillow 200 is ensured to swing accidentally. For example, the guiding protrusion 60 is a pin member, so that the sliding of the guiding protrusion 60 in the arc guiding slot 70 is smoother, but not limited thereto. It is understood that, according to the actual requirement, the guiding protrusion 60 can be formed by the extending section 41, and the arc guiding slot 70 can be formed by the fixing base 10, which can achieve the purpose of guiding, and is not limited thereto.

As shown in fig. 1 and 2, in order to increase the assembling reliability with the sofa headrest 200, the adjusting bracket 100 of the present invention further includes an auxiliary fixing base 80 spaced apart from the fixing base 10 and arranged side by side and an auxiliary rocker 90 arranged side by side with the first rocker 20, wherein the auxiliary rocker 90 is pivotally connected to the auxiliary fixing base 80, so as to be engaged with the auxiliary fixing base 80 and the auxiliary rocker 90, so that one end of the sofa headrest 200 is assembled and fixed with the assembling section 21 of the first rocker 20, and the other end of the sofa headrest 200 opposite to the auxiliary rocker 90 is also assembled and fixed. Specifically, the auxiliary positioning notch 91 is formed in the edge of the auxiliary rocker 90, the auxiliary fixing base 80 is provided with the auxiliary positioning post 81, and the auxiliary positioning post 81 is in positioning fit with the auxiliary positioning notch 91 when the first rocker 20 is switched to the initial position, so that the state stability of the sofa headrest 200 when the first rocker 20 is switched to the initial position can be further ensured. For example, the fixing base 10 and the auxiliary fixing base 80 are each a plate-shaped member to facilitate the installation of the fixing base 10 and the auxiliary fixing base 80 in the sofa, but not limited thereto. It can be understood that, when the adjusting bracket 100 for a sofa headrest according to the present invention further includes the auxiliary fixing base 80 spaced apart from and arranged side by side with the fixing base 10 and the auxiliary rocker 90 arranged side by side with the first rocker 20, the actuator 50 at this time is located in the space sandwiched between the fixing base 10 and the auxiliary fixing base 90, and this arrangement ensures the reliability of the actuator 50 with respect to the movement of the connecting rod 40.

As shown in fig. 3, the first rocking bar 20 and the second rocking bar 30 are inclined with respect to the fixed base 10 toward a direction close to the actuator body 51 when the first rocking bar 20 is switched to the initial position, i.e., inclined downward with respect to the fixed base 10, but not limited thereto.

Compared with the prior art, because the utility model discloses an adjustment support 100 for sofa headrest includes fixed base member 10, first rocker 20, second rocker 30, connecting rod 40 and driver 50, first rocker 20, second rocker 30, connecting rod 40 and fixed base member 10 four constitute two rocker mechanisms jointly, driver 50 installs in fixed base member 10 and is used for driving second rocker 20 or connecting rod 30 motion, first rocker 20 still extends beyond the assembly section 21 of the confession sofa headrest 200 assembly of connecting rod 40 along the direction of keeping away from first pin joint central line C1, the structure has been simplified to the design like this relative many link mechanism, this is because many link structure use four connecting rods and a violently pipe, and the utility model discloses an adjustment support 100 for sofa headrest only needs a connecting rod 40, correspondingly, reduces occupation space and convenient equipment; meanwhile, since the driver 50 is used to drive the second rocker 30 or the connecting rod 40 to move, the force output of the driver 50 is more direct and sufficient, so that the dynamic response of the adjusting bracket 100 for sofa headrest of the present invention is sensitive. In addition, the adjusting bracket 100 for sofa headrest of the present invention can be completely wrapped inside the sofa after being installed, which is beautiful and saves space.

It should be noted that the fixing base 10 and the auxiliary fixing base 80 are installed in the sofa body, the fixing base 10 and the auxiliary fixing base 80 are fixed by the main body, and the sofa headrest 200 is assembled on the first rocking bar 20 and the auxiliary rocking bar 90, so that the sofa headrest 200 can be angularly adjusted with respect to the sofa body. In addition, when the actuator 50 includes an actuator body 51 and a telescopic sliding rod 52, the actuator 50 may be an air cylinder, an oil cylinder or an electric push rod.

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. The adjusting support for the sofa headrest is characterized by comprising a fixed base body, a first rocker, a second rocker, a connecting rod and a driver, wherein the first rocker is pivoted with the fixed base body to form a first pivoting central line, the second rocker is pivoted with the fixed base body to form a second pivoting central line, the first pivoting central line and the second pivoting central line are spaced from and parallel to each other, the connecting rod is respectively pivoted with the first rocker and the second rocker, the first rocker, the second rocker, the connecting rod and the fixed base body jointly form a double-rocker mechanism, the driver is installed on the fixed base body and used for driving the second rocker or the connecting rod to move, and the first rocker further extends out of an assembling section of the connecting rod for assembling the sofa headrest in the direction away from the first pivoting central line.

2. The adjusting bracket for sofa headrests according to claim 1, wherein the connecting rod further extends beyond the extension section of the second rocking bar in a direction away from the first rocking bar, the actuator is located in front of the extension section in the extension direction of the extension section, the actuator comprises an actuator body and a telescopic sliding rod capable of sliding telescopically on the actuator body, the actuator body is pivoted with the fixed base, and the telescopic sliding rod is pivoted with the extension section.

3. The adjusting bracket for a sofa headrest according to claim 2, wherein one of the extension section and the fixing base has a guide protrusion, and the other of the extension section and the fixing base has an arc guide elongated slot protruding in a direction away from the telescopic slide bar.

4. The adjustment bracket for a sofa headrest according to claim 1, wherein the first rocking bar swings around the first pivot center line to have an initial position and an adjustment position, the fixed base is provided with a first positioning post, the edge of the first rocking bar is provided with a first positioning notch, and the first positioning post is positioned and matched with the first positioning notch when the first rocking bar is switched to the initial position.

5. The adjusting bracket as claimed in claim 4, wherein the first rocker is provided with a second positioning post, the edge of the connecting rod is provided with a second positioning notch, and the second positioning post is positioned and matched with the second positioning notch when the first rocker is switched to the adjusting position.

6. The adjusting bracket for a sofa headrest according to claim 4, further comprising an auxiliary fixing base spaced apart from and arranged side by side with the fixing base and an auxiliary rocker arranged side by side with the first rocker, the auxiliary rocker being pivotally connected with the auxiliary fixing base.

7. The adjusting bracket for sofa headrest according to claim 6, wherein the auxiliary rocker has an auxiliary positioning notch at its edge, and the auxiliary fixing base has an auxiliary positioning post, which is positioned and engaged with the auxiliary positioning notch when the first rocker is switched to the initial position.

8. The adjustment bracket for a sofa headrest according to claim 6, wherein said actuator is located in a space sandwiched between said fixing base and said auxiliary fixing base.

9. The adjustment bracket for a sofa headrest according to claim 6, wherein the fixing base and the auxiliary fixing base are each a plate-shaped member.

10. The adjusting bracket for a sofa headrest according to claim 2, wherein the first rocking lever and the second rocking lever are inclined with respect to the fixed base in a direction approaching the actuator body when the first rocking lever is switched to the initial position.