CN220281189U - Rear-row overturning cushion - Google Patents

Abstract

The utility model relates to the technical field of automobile seats, and discloses a rear-row overturning seat cushion which comprises a seat cushion framework, a driving motor, a screw rod, two front supports and two rear supports, wherein the driving motor drives the screw rod to rotate, the front supports and the rear supports are respectively and rotatably connected to the seat cushion framework, a front cross rod is arranged between the two front supports. The folding type front support has the advantages of simple structure, difficult blocking of folding, hidden front support and large available space.

Description

Rear-row overturning cushion

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a rear-row overturning seat cushion.

Background

Traditional car back row seat turns over through manual unblock, makes its realization keep flat and is used for the passenger to take, or hugs closely with the back and fold up and expand the interior space of utilization of car, along with the further demand of driver to the seat, traditional seat can not satisfy driver to the demand of back row seat comfort level, consequently prior art realizes turning over automatically through increasing power transmission device and driving motor.

The Chinese patent document CN215097165U discloses an electric multi-link cushion folding mechanism, which comprises a cushion framework, a driving motor, a transmission device and a link mechanism, wherein the cushion framework at least comprises a rear transverse pipe and a seat frame bent pipe, the seat frame bent pipe is fixed on the rear transverse pipe, two mounting brackets are symmetrically arranged on two sides of the rear transverse pipe and fixedly connected with a vehicle body, two link mechanisms are symmetrically arranged on two sides of the seat frame bent pipe, each link mechanism comprises four links, the transmission device is connected with the link mechanism, and the transmission device can change the hinge angle between the links under the driving of the driving motor, so that the folding of the cushion framework is realized.

This prior art has the following disadvantages: the integral structure is complex, the seat cushion can be folded integrally only by matching the four connecting rods, the manufacturing and mounting difficulties are increased, and the clamping phenomenon is easy to occur in the multi-connecting-rod structure in the driving process.

Disclosure of Invention

The utility model aims to solve the technical problems that a seat cushion turnover structure is complex and is easy to clamp, and provides a rear-row turnover seat cushion, which comprises a seat cushion framework, a driving motor, a screw rod, two front supports and two rear supports, wherein the driving motor drives the screw rod to rotate, the front supports and the rear supports are respectively and rotatably connected to the seat cushion framework, a front cross rod is arranged between the two front supports.

For easy to assemble arranges, the back horizontal pole is located two side connector middles, the head of lead screw is connected with driving motor, the afterbody of lead screw is towards the preceding horizontal pole.

For conveniently driving the cushion to wholly turn over, the moving mechanism comprises a hinge lug and a moving piece, one end of the hinge lug is fixed on the front cross rod, the other end of the hinge lug is rotationally connected to the moving piece, a threaded hole is formed in the middle of the moving piece, and the moving piece is in threaded connection with the screw rod.

In order to facilitate connection of the hinge lug and the moving part, the folding strength is improved, the hinge lug comprises a left hinge lug and a right hinge lug, a U-shaped groove is formed in the moving part, and the left hinge lug and the right hinge lug are respectively and rotatably connected in bolt holes at two ends of the U-shaped groove.

In order to facilitate folding of the front support, the top of the front support is connected with the cushion framework, the middle upper part of the front support is connected with the side connecting piece, and the middle part of the front support is connected with the front cross rod.

In order to enlarge the space after folding, the front support and the side connecting pieces are all positioned on the inner side of the cushion framework.

Preferably, the front support is rotatably connected with the cushion skeleton through an extension joint, and the side connecting piece is connected to the inner extension part of the rear support.

The utility model has the following beneficial effects:

1. low cost, difficult blocking: according to the utility model, the driving motor drives the screw rod to rotate, the head part of the screw rod is connected with the driving motor and faces to one side of the rear support, the tail part of the screw rod faces to one side of the front support, and the screw rod rotates to drive the moving mechanism to move, so that the cushion framework, the front support, the side connecting piece and the driving motor are driven to be folded together, during the period, the head part of the screw rod is tilted upwards and floats greatly, the tail part of the screw rod and the driving motor are tilted upwards and float slightly, and because the side connecting piece is an integral, the rotating point is only limited by the front support and the rear support, and thus the clamping is difficult to occur; and the whole structure is simple, the installation and the manufacture are convenient, and the production cost is reduced.

2. The front support is folded and hidden naturally in the overturning process.

3. Has the functions of expanding the storage space in the vehicle and avoiding for the front seat.

Drawings

FIG. 1 is a schematic view of an embodiment of a rear inverted seat cushion of the present utility model;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a bottom view of fig. 1.

Detailed Description

The following is a further detailed description of the embodiments:

1. reference numerals in the drawings of the specification include: the seat cushion framework 1, a driving motor 2, a screw rod 3, a front support 4, a rear support 5, an inner extension 501, a side connecting piece 6, a front cross rod 7, a rear cross rod 8, a hinge lug 9, a left hinge lug 901, a right hinge lug 902, a moving piece 10, a U-shaped groove 101 and an extension joint 11.

Example 1

As shown in fig. 1-3, a rear row overturning cushion comprises a cushion framework 1, a driving motor 2, a screw rod 3, two front supports 4, two rear supports 5 and two side connecting pieces 6, wherein the rear supports 5 are used for connecting a seat backrest, the driving motor 2 can drive the screw rod 3 to rotate forwards or reversely, the front supports 4 and the rear supports 5 are respectively and rotatably connected to the cushion framework 1, a front cross rod 7 is arranged between the front supports 4, one ends of the side connecting pieces 6 are rotatably connected to the front supports 4, the other ends of the side connecting pieces are rotatably connected to the rear supports 5, a rear cross rod 8 is arranged between the two side connecting pieces 6, the middle part of the rear cross rod 8 is rotatably connected with the driving motor 2, a screw thread connection moving mechanism is arranged on the screw rod 3, and the moving mechanism is rotatably connected with the middle part of the front cross rod 7. The driving motor 2 drives the screw rod 3 to rotate forwards, and the cushion framework 1 is in a horizontal state when the moving mechanism moves to the head of the screw rod 3, so that passengers can take the cushion framework; the driving motor 2 drives the screw rod 3 to reversely rotate, the cushion framework 1 is in a turnover state when the moving mechanism moves to the tail part of the screw rod 3, and the available space in the vehicle is enlarged for storing.

The front support 4 is connected to the top of the seat cushion framework 1, the upper portion of the front support 4 is connected with the side connecting piece 6, two ends of the front cross rod 7 are respectively and fixedly connected to the middle portions of the front support 4, two ends of the rear cross rod 8 are respectively and fixedly connected to the middle portions of the side connecting pieces 6, the head of the screw rod 3 is connected with the driving motor 2, the tail of the screw rod 3 faces the front cross rod 7, and the front cross rod 7 and the rear cross rod 8 are arranged in parallel.

The moving mechanism comprises a hinge lug 9 and a moving piece 10, one end of the hinge lug 9 is fixed on the front cross rod 7, the other end of the hinge lug 9 is provided with a left hinge lug 901 and a right hinge lug 902, the left hinge lug 901 and the right hinge lug 902 are respectively and rotatably connected in bolt holes at two ends of a U-shaped groove 101 on the moving piece 10, a threaded hole is formed in the middle of the moving piece 10, and the moving piece 10 is in threaded connection with the screw rod 3.

The front support 4 and the side connecting piece 6 are both positioned on the inner side of the cushion framework 1, the front support 4 is rotationally connected with the cushion framework 1 through an extension joint 11, the side connecting piece 6 is connected to the inner extension part 501 of the rear support 5, and the front support 4 and the side connecting piece 6 can be retracted into the cushion framework 1 to hide and enlarge the available space in the folding process.

The head of the screw rod 3 is connected with the driving motor 2 and faces the rear support 5, the tail of the screw rod 3 faces the front support 4, the screw rod 3 rotates to drive the moving part 10 to move on the screw rod 3, and then drives the cushion framework 1, the front support 4, the side connecting piece 6 and the driving motor 2 to be folded together as a whole, during the process, the head of the screw rod 3 is tilted upwards and floats greatly, the tail of the screw rod 3 and the driving motor 2 are tilted upwards and float little, and because the side connecting piece 6 is a whole, the rotating point is only limited by the front support 4 and the rear support 5, and is not easy to be blocked, and after folding, the front support 4 and the side connecting piece 6 can be well hidden.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. The utility model provides a back row upset cushion, includes cushion skeleton (1), driving motor (2), lead screw (3), two preceding supports (4) and two back supports (5), driving motor (2) drive lead screw (3) are rotatory, preceding support (4) and back support (5) rotate respectively and connect on cushion skeleton (1), two be equipped with preceding horizontal pole (7) between preceding support (4), its characterized in that still includes two side connecting pieces (6), side connecting piece (6) one end rotates to be connected on preceding support (4), and the other end rotates to be connected on back support (5), set up back horizontal pole (8) between two side connecting pieces (6), rotate on back horizontal pole (8) and connect driving motor (2), threaded connection moving mechanism on lead screw (3), moving mechanism with preceding horizontal pole (7) rotate to be connected.

2. The rear row roll-over cushion of claim 1, wherein: the rear cross rod (8) is located in the middle of the two side connecting pieces (6), the head of the screw rod (3) is connected with the driving motor (2), and the tail of the screw rod (3) faces the front cross rod (7).

3. A rear roll-over cushion as claimed in claim 1 or claim 2, wherein: the moving mechanism comprises a hinge lug (9) and a moving part (10), one end of the hinge lug (9) is fixed on the front cross rod (7), the other end of the hinge lug is rotationally connected to the moving part (10), a threaded hole is formed in the middle of the moving part (10), and the moving part (10) is in threaded connection with the screw rod (3).

4. A rear roll-over cushion as set forth in claim 3 wherein: the hinge lug (9) comprises a left hinge lug (901) and a right hinge lug (902), a U-shaped groove (101) is formed in the moving part (10), and the left hinge lug (901) and the right hinge lug (902) are respectively and rotatably connected in bolt holes at two ends of the U-shaped groove (101).

5. The rear roll-over cushion according to claim 4, wherein: the top of the front support (4) is connected with the cushion framework (1), the middle upper part of the front support (4) is connected with the side connecting piece (6), and the middle part of the front support (4) is connected with the front cross rod (7).

6. The rear roll-over cushion according to claim 5, wherein: the front support (4) and the side connecting piece (6) are both positioned at the inner side of the cushion framework (1).

7. The rear roll-over cushion according to claim 5 or 6, wherein: the front support (4) is rotationally connected with the cushion framework (1) through an extension joint (11), and the side connecting piece (6) is connected to the inner extension part (501) of the rear support (5).