CN217243426U - Driving mechanism for sofa - Google Patents

Abstract

The utility model discloses a driving mechanism for a sofa, comprising: an electric push rod; a main support rod; a rear support rod; a first rotating rod, one end of which is rotatably arranged at the front end of the main support rod; One end is fixedly arranged on the main support plate; one end of the second rotating rod is rotatably arranged on the other end of the extension plate; one end of the bottom of the mounting plate is rotatably connected with the other end of the second rotating rod; the third rotating rod , one end of which is rotatably connected to the other end of the bottom of the mounting plate; the fourth rotating rod, one end of which is rotatably arranged at the front end of the main support rod; the fifth rotating rod, one end of which is rotatably connected to one end of the fourth rotating rod; , the rear end of the electric push rod is rotatably connected with the rear support rod, and the telescopic rod of the electric push rod is rotatably connected with the connecting rod. In the above manner, the driving mechanism disclosed in the present invention can not only drive the backrest and the headrest to rotate, but also drive the footrests to move at the same time, thereby effectively reducing the manufacturing cost.

Description

A drive mechanism for a sofa

technical field

The utility model relates to the technical field of intelligent furniture, in particular to a driving mechanism for a sofa.

Background technique

With the continuous improvement of people's living standards, more and more smart devices are used in people's lives, especially smart furniture, which is more widely used in every family.

Smart furniture includes a sofa, which can realize intelligent operation. For example, the sofa is provided with footrests, backrests and headrests, and users can automatically adjust the footrests, backrests and headrests according to actual needs.

However, the footrests, backrests and headrests of the sofas on the market are individually adjusted through independent driving mechanisms, that is, the sofas on the market drive the footrests, backrests and headrests through three driving mechanisms, but this This way will increase the manufacturing cost of the sofa.

Utility model content

The main technical problem solved by the utility model is to provide a driving mechanism for a sofa, which can not only drive the backrest and the headrest to rotate, but also drive the footrests to move at the same time, thereby effectively reducing the manufacturing cost.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide a driving mechanism for a sofa, including an electric push rod, which is characterized in that it also includes: a main support rod; The first rotating rod is rotatably arranged at the front end of the main support rod, and the other end is used to connect the foot pedal; the front end support rod is fixed by the second connecting piece It is arranged on one end of the first rotating rod, wherein the bottom of the front end support rod is extended with a connecting rod; an extension plate, one end of which is fixed on the main support plate; the second rotating rod, one end of which is rotated At the other end of the extension plate, a first support pad is arranged in the second rotating rod; one end of the bottom of the mounting plate is rotatably connected with the other end of the second rotating rod, wherein the mounting plate The board is provided with a second support pad; a third rotating rod, one end of which is rotatably connected to the other end of the bottom of the mounting plate; a fourth rotating rod, one end of which is rotatably arranged at the front end of the main support rod, and the other One end is used to connect the foot pedal; one end of the fifth rotating rod is rotatably connected to one end of the fourth rotating rod, and the other end is rotatably connected to the other end of the third rotating rod; wherein, the rear end of the electric push rod It is rotatably connected with the rear support rod, and the telescopic rod of the electric push rod is rotatably connected with the connecting rod.

Further, the main support rods are respectively arranged vertically with the rear end support rod and the front end support rod.

Further, the number of the main support rods is two, the rear end support rod is arranged between the rear ends of the two main support rods, and the front end support rod is arranged between the two main support rods. between the front ends.

Further, the horizontal plane where the rear end support rod is located is lower than the horizontal plane where the front end support rod is located.

Further, the first connecting member includes a first mounting portion fixedly disposed at the rear end of the main support rod and a second mounting portion located below the first mounting portion and fixedly connected with the rear end support rod .

Further, the top of the second connecting piece is extended with a first splint and a second splint that form an installation slot, the front end support rod is fixedly arranged in the installation slot, and the bottom of the second connecting piece is fixedly arranged at one end of the first rotating rod.

Further, the top of the connecting rod is fixedly arranged on the bottom of the front end support rod, the bottom of the connecting rod is provided with a first through hole, and the telescopic rod of the electric push rod is provided with the first through hole. A corresponding second through hole, and a first insertion rod is passed through the first through hole and the second through hole.

Further, the bottom of the rear support rod is extended with a third connecting piece, wherein the end of the third connecting piece away from the rear support rod is provided with a third through hole, and the rear end of the electric push rod is provided with a third through hole. A fourth through hole corresponds to the third through hole, and a second insertion rod is pierced through the third through hole and the fourth through hole.

Further, a protruding portion is extended on one side of the extension plate, and the protruding portion is rotatably connected with the third rotating rod.

Further, the other end of the extension plate is above the main support plate, the other end of the third rotation rod is below the main support rod, and the extension plate and the second rotation rod are The connection point and the connection point between the third rotating rod and the protruding part are respectively located on both sides of the extension plate.

The beneficial effects of the present invention are: different from the situation in the prior art, the driving mechanism for the sofa disclosed by the present utility model can drive the backrest to rotate through the second rotating rod and the headrest to rotate through the mounting plate, and can also drive the sofa through the second rotating rod. The first rotating rod drives the foot pedal to move, thereby effectively reducing the manufacturing cost.

Description of drawings

1 is a schematic structural diagram of the first embodiment of the driving mechanism for the sofa of the present invention;

Fig. 2 is the partial structure schematic diagram of the drive mechanism in Fig. 1;

Fig. 3 is the structural representation of the electric push rod of the drive mechanism in Fig. 1;

4 is a schematic structural diagram of the second embodiment of the driving mechanism for the sofa of the present invention.

Detailed ways

As shown in Figures 1-3, the driving mechanism for the sofa includes an electric push rod 10, a main support rod 11, a rear support rod 12, a first rotation rod 13, a front end support rod 14, an extension plate 111, and a second rotation rod 15. The mounting plate 16, the third rotating rod 17, the fourth rotating rod 18 and the fifth rotating rod 19.

The rear end support rod 12 is fixedly disposed at the rear end of the main support rod 11 through the first connecting piece 121 . Preferably, the rear support rod 12 is vertically arranged with the main support rod 11 .

One end of the first rotating rod 13 is rotatably disposed at the front end of the main support rod 11, and the other end of the first rotating rod 13 is used to connect the foot pedal 20, so as to drive the foot pedal to extend or retract through the first rotating rod 13 Close the action. It should be understood that the other end of the first rotating rod 13 can realize the action of driving the foot pedal to extend or retract during the rotation process, and the foot pedal 20 is a product in the prior art, which will not be repeated here.

The front end support rod 14 is fixedly disposed on one end of the first rotating rod 13 through the second connecting piece 141 , wherein a connecting rod 142 is extended from the bottom of the front end support rod 14 . It should be understood that the connecting rod 142 is disposed in a direction away from the front end support rod 14 .

Preferably, the main support rod 11 is vertically arranged with the front end support rod 14 .

In this embodiment, the number of main support rods 11 is two, the rear support rod 12 is arranged between the rear ends of the two main support rods 11 , and the front support rod 14 is arranged at the front ends of the two main support rods 11 . In between, this can increase the stability of the entire seat.

Preferably, the level where the rear end support rod 12 is located is lower than the level where the front end support rod 14 is located.

Further, the first connecting member 121 includes a first mounting portion fixedly disposed at the rear end of the main support rod 11 and a second mounting portion located below the first mounting portion and fixedly connected to the rear end support rod 12 . It should be understood that when the first connecting member 121 is disposed on the main support rod 11 , the horizontal plane where the second mounting portion is located is lower than the horizontal plane where the bottom surface of the main support rod 11 is located.

Further, the top of the second connecting member 141 is extended with a first clamping plate 1411 and a second clamping plate 1412 forming an installation groove, wherein the front end support rod 14 is fixedly arranged in the installation groove, and the bottom of the second connecting member 141 is fixedly arranged in the installation groove. One end of the first rotating rod 13 . It should be understood that the first splint 1411 is provided with a first through hole, the second splint 1412 is provided with a second through hole corresponding to the first through hole, and the end of the front support rod 14 accommodated in the installation slot has a third through hole, and the first The perforation, the third perforation and the second perforation are provided with a perforation rod, and the number of the first perforation, the third perforation, the second perforation and the perforation rod are all two, so that one end of the front end support rod 14 is stably accommodated in the hole. installed in the slot.

In this embodiment, the rear end of the electric push rod 10 is rotatably connected to the rear support rod 12 , and the telescopic rod of the electric push rod 10 is rotatably connected to the connecting rod 142 , so that the front end support rod can be driven by the telescopic rod of the electric push rod 10 14 rotates, and the front support rod 14 drives the second connecting member 142 to rotate during the rotation process, and the second connecting member 142 drives one end of the first rotating rod 13 to rotate, thereby realizing the rotation of the pedal. It should be understood that the electric push rod 10 in this embodiment may be a cylinder or a hydraulic oil cylinder, or the electric push rod 10 may be a push rod device.

It is worth noting that the connection position of the second connecting member 141 and one end of the first rotating rod 13 is relatively close to the main support rod 11, so that when one end of the first rotating rod 13 rotates, the second connecting member 141 rotates within the range It will not be too large, so that the rotation range of the front end support rod 14 is not large, that is, the position moved by the front end support rod 14 has little effect on the entire seat, so that the entire sofa seat will not shake or shake. Comfortable and high user experience, it can meet the high quality requirements of users.

Preferably, the top of the connecting rod 142 is fixed on the bottom of the front end support rod 14, the bottom of the connecting rod 142 is provided with a first through hole, and the telescopic rod of the electric push rod 10 is provided with a second through hole corresponding to the first through hole , and a first insertion rod is passed through the first through hole and the second through hole, so that the telescopic rod of the electric push rod 10 is rotatably connected to the bottom of the connecting rod 142 .

Preferably, the bottom of the rear end support rod 12 is extended with a third connecting piece 122 (that is, the other end of the third connecting piece 122 is fixedly arranged at the bottom of the rear end support rod 12 ), wherein the third connecting piece 122 is away from the rear end support One end of the rod 12 is provided with a third through hole, the rear end of the electric push rod 10 is provided with a fourth through hole corresponding to the third through hole, and the third through hole and the fourth through hole are provided with a second insertion rod , so that the rear end of the electric push rod 10 is rotatably connected with the third connecting piece 122 .

One end of the extension plate 111 is fixed on the main support plate 11 . Preferably, the other end of the extension plate 111 is above the main support rod 11 .

One end of the second rotating rod 15 is rotatably disposed on the other end of the extension plate 111 . Preferably, a first support pad is provided in the second rotating rod 15 .

One end of the bottom of the mounting plate 16 is rotatably connected to the other end of the second rotating rod 15 . Preferably, a second support pad is provided in the mounting plate 16 .

Preferably, the first support pad is a backrest, and the second support pad is a headrest. Of course, this embodiment does not limit the first support pad to be a backrest and the second support pad to be a headrest. In some embodiments, the first support pad is a headrest. Both the first support pad and the second support pad can be used as a backrest, and can also be used as a headrest, depending on the height of the person, and will not be repeated here.

One end of the third rotating rod 17 is rotatably connected to the other end of the bottom of the mounting plate 16 . Preferably, the other end of the third rotating rod 17 is below the main support rod 11 .

One end of the fourth rotating rod 18 is rotatably disposed at the front end of the main support rod 11 , and the other end of the fourth rotating rod 18 is used for connecting the foot pedal 20 .

One end of the fifth rotating rod 19 is rotatably connected to one end of the fourth rotating rod 18 , and the other end of the fifth rotating rod 19 is rotatably connected to the other end of the third rotating rod 17 .

Preferably, the connection between the fifth rotation rod 19 and the fourth rotation rod 18 is located below the connection between the fourth rotation rod 18 and the main support rod 11 .

Preferably, one side of the extension plate 111 is extended with a protruding portion, wherein the protruding portion is rotatably connected with the third rotating rod 17 . It should be understood that the protruding portion is provided on one side of the middle portion of the extension plate 11 .

In this embodiment, the connection between the extension plate 111 and the second rotating rod 15 and the connection between the third rotation rod 17 and the protruding portion are located on two sides of the extension plate 111 , respectively.

It should be understood that the extension plate 111 , the second rotating rod 15 , the mounting plate 16 and the third rotating rod 17 form a square, and the connection point between the extending plate 111 and the second rotating rod 15 , the mounting plate 16 and the second rotating rod 15 The connection point of the square, the connection point between the third rotation rod 17 and the mounting plate 16, and the connection point between the third rotation rod 17 and the protrusion respectively correspond to the corner points of the square, which can be realized by the rotation of the third rotation rod 17. The second rotating rod 15 and the mounting plate 16 are driven to rotate.

Specific working principle:

When the telescopic rod of the electric push rod 10 is extended, the electric push rod 10 drives the front end support rod 14 to rotate, the front end support rod 14 drives the second connecting member 142 to rotate during the rotation process, and the second connecting member 142 drives the first rotating rod 13 One end of the swivel is rotated, so as to drive the foot pedal to rotate;

The first rotating rod 13 drives the fourth rotating rod 18 to rotate while rotating, so that the fifth rotating rod 19 moves, and when the fifth rotating rod 19 rotates, it drives the third rotating rod 17 to rotate, and the third rotating rod 17 protrudes The bottom of the third rotating rod 17 is used as a support point, the bottom (ie, the bottom end) of the third rotating rod 17 rotates clockwise (taking FIG. 4 as a reference), and the top of the third rotating rod 17 rotates clockwise. At this time, the third rotating rod The top of the rod 17 will drive the mounting plate 16 to rotate clockwise, so that the mounting plate 16 will drive the headrest to rotate. Since the extension plate 111 is fixed, the top of the second rotating rod 15 will rotate counterclockwise. , so that the second rotating rod 15 drives the backrest to rotate, so that an electric push rod 10 can drive the footrest, the backrest and the headrest to rotate, thereby effectively reducing the manufacturing cost.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (10)

1. a driving mechanism for sofa, comprising electric push rod, is characterized in that, also comprises: main support rod; The rear end support rod is fixedly arranged at the rear end of the main support rod through the first connecting piece; a first rotating rod, one end of which is rotatably arranged at the front end of the main support rod, and the other end is used for connecting the foot pedal; The front end support rod is fixedly arranged on one end of the first rotating rod through the second connecting piece, wherein the bottom of the front end support rod is extended with a connecting rod; an extension plate, one end of which is fixedly arranged on the main support rod; a second rotating rod, one end of which is rotatably disposed on the other end of the extension plate, wherein a first support pad is disposed in the second rotating rod; a mounting plate, one end of the bottom of which is rotatably connected with the other end of the second rotating rod, wherein the mounting plate is provided with a second support pad; a third rotating rod, one end of which is rotatably connected with the other end of the bottom of the mounting plate; a fourth rotating rod, one end of which is rotatably arranged at the front end of the main support rod, and the other end is used for connecting the foot pedal; a fifth rotating rod, one end of which is rotatably connected to one end of the fourth rotating rod, and the other end is rotatably connected to the other end of the third rotating rod; Wherein, the rear end of the electric push rod is rotatably connected with the rear end support rod, and the telescopic rod of the electric push rod is rotatably connected with the connecting rod. 2 . The driving mechanism for a sofa according to claim 1 , wherein the main support rods are respectively arranged perpendicular to the rear end support rod and the front end support rod. 3 . 3 . The driving mechanism for a sofa according to claim 1 , wherein the number of the main support rods is two, and the rear end support rods are arranged between the rear ends of the two main support rods. 4 . , the front end support rods are arranged between the front ends of the two main support rods. 4 . The driving mechanism for a sofa according to claim 1 , wherein the horizontal plane on which the rear end support rod is located is lower than the horizontal plane on which the front end support rod is located. 5 . 5 . The driving mechanism for a sofa according to claim 1 , wherein the first connecting member comprises a first mounting portion fixedly arranged at the rear end of the main support rod, and a first mounting portion located at the first mounting portion. 6 . a second mounting part below and fixedly connected with the rear end support rod. 6 . The driving mechanism for a sofa according to claim 1 , wherein the top of the second connecting piece is extended with a first clamping plate and a second clamping plate that form an installation groove, and the front end support rod is fixedly arranged on the front end. 7 . In the installation groove, the bottom of the second connecting piece is fixedly arranged at one end of the first rotating rod. 7 . The driving mechanism for a sofa according to claim 1 , wherein the top of the connecting rod is fixedly arranged on the bottom of the front end support rod, and the bottom of the connecting rod is provided with a first through hole, the The telescopic rod of the electric push rod is provided with a second through hole corresponding to the first through hole, and a first insertion rod passes through the first through hole and the second through hole. 8 . The driving mechanism for a sofa according to claim 1 , wherein a third connecting piece is extended from the bottom of the rear end support rod, wherein one end of the third connecting piece away from the rear end support rod is provided with a third connecting piece. 9 . There is a third through hole, the rear end of the electric push rod is provided with a fourth through hole corresponding to the third through hole, and the third through hole and the fourth through hole are provided with a second through hole. Pole. 9 . The driving mechanism for a sofa according to claim 1 , wherein a protruding portion is extended on one side of the extension plate, and the protruding portion is rotatably connected with the third rotating rod. 10 . 10 . The driving mechanism for a sofa according to claim 9 , wherein the other end of the extension plate is located above the main support rod, and the other end of the third rotating rod is located on the main support rod. 11 . Below the extension plate, and the connection between the extension plate and the second rotating rod and the connection between the third rotation rod and the protruding part are located on both sides of the extension plate, respectively.

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