CN215322128U

CN215322128U - Sliding groove type cushion folding mechanism

Info

Publication number: CN215322128U
Application number: CN202121375640.2U
Authority: CN
Inventors: 唐江; 阳杰
Original assignee: Magna Seating Research and Development Chongqing Co Ltd
Current assignee: Magna Seating Research and Development Chongqing Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-28
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a sliding groove type cushion folding mechanism, wherein two sides of a seat frame front bent pipe are respectively fixed on a rear transverse pipe through a seat frame support to jointly form a cushion framework, the two seat frame supports are mutually symmetrical, two sliding groove supports are symmetrically arranged on the outer sides of the two seat frame supports and are fixedly connected with a vehicle body, a strip-shaped hole is horizontally arranged on each seat frame support, a limiting pin is arranged on each sliding groove support, the sliding groove supports and the corresponding seat frame supports are matched with the strip-shaped holes through the limiting pins to realize rotary connection and sliding connection, each sliding groove is formed by connecting a straight line segment and an arc segment, the arc segments are arranged below the limiting pins by taking the limiting pins as the centers, two ends of the rear transverse pipes are respectively inserted into the corresponding sliding grooves, a transmission device is arranged on the cushion framework, and a driving motor can drive the transmission device to drive the cushion framework to slide along the sliding grooves to realize folding. The folding chair is ingenious in design, can be easily folded at 90 degrees or more than 90 degrees, and increases the available space of the rear-row seat to the maximum extent.

Description

Sliding groove type cushion folding mechanism

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a sliding groove type cushion folding mechanism.

Background

With the development of mobile office and leisure culture, the requirements of people on vehicles are no longer only satisfied with walking tools, but gradually tend to the development of movable spaces for home and office. In order to meet the switching requirements of people in different scenes such as meeting, leisure, resting and the like in a vehicle, requirements on the functionality and changeability of the seat are provided, and the storage seat is derived from the requirements.

The folding mechanism of the traditional car rear seat usually folds the backrest of the rear seat forward, so that the front surface of the backrest is closely attached to the front surface of the cushion and is horizontally arranged, thereby increasing the available space above the seat. However, for some vehicle types in which the positions of the stowable seats are used as the passages, the folding mechanism cannot meet the requirements, and because the rear seats occupy too much space in the vehicle when stowed, the backrest adjustment of the front seats is also limited, which seriously affects the comfort of the front passengers, so the cushion folding mechanism gradually appears in the market at present. The cushion turnover mechanism is that the backrest is fixed and the cushion is turned over, so that a space at the position of the cushion before turnover is reserved. However, most of the existing cushion folding mechanisms are directly turned at the bottom end of the backrest, and under the influence of the backrest, the cushion can only be turned at a certain angle, and cannot be turned at a large angle of 90 degrees or more than 90 degrees, and the space occupied by the folded cushion is still large.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a sliding groove type cushion folding mechanism which is not affected by a backrest in the folding process, can realize folding at a large angle, even can easily realize folding at 90 degrees or more than 90 degrees, and increases the available space of a rear seat to the maximum extent.

In order to achieve the purpose, the utility model provides a sliding groove type cushion folding mechanism which comprises a rear transverse pipe, a seat frame front bent pipe, a driving motor and a transmission device, wherein two sides of the seat frame front bent pipe are respectively fixed on the rear transverse pipe through a seat frame support to jointly form a cushion framework, the two seat frame supports are mutually symmetrical, two sliding groove supports are symmetrically arranged on the outer sides or the inner sides of the two seat frame supports and are fixedly connected with a vehicle body, a strip-shaped hole is horizontally arranged on the seat frame supports, a limiting pin is arranged on each sliding groove support, the sliding groove supports and the corresponding seat frame supports are matched through the limiting pins and the strip-shaped holes to realize rotating connection and sliding connection, each sliding groove is formed by connecting a straight line segment and an arc segment, the arc segment is arranged below the limiting pin by taking the limiting pin as a circle center, two ends of the rear transverse pipe are respectively inserted into the corresponding sliding grooves, the transmission device is installed on the cushion framework, the driving motor can drive the transmission device to drive the cushion framework to slide along the sliding groove to realize folding, the seat frame support is formed by stamping sheet metal parts, the seat frame support is provided with flanges in the circumferential direction except the rear end, the width of the rear end of the seat frame support is reduced, and the upper and lower flanges at the rear end are used for wrapping the front side of the front elbow of the seat frame by half.

In the scheme, the method comprises the following steps: the transmission device comprises a screw rod and a driver, the screw rod installation transverse pipe is connected between two seat frame supports, the motor is fixedly connected between two sides of a bent pipe before a seat frame, the screw rod is hinged to the screw rod installation transverse pipe through a screw rod installation guide sleeve, the driving motor is fixed to the motor and is arranged on the transverse pipe, the driving motor is connected with the driver of the screw joint on the screw rod, the driving motor can drive the driver to move along the screw rod when rotating, and can drive the screw rod to transversely pipe and rotate around the screw rod installation, so that the cushion framework is driven to slide along the sliding groove to realize the turnover. The driving motor and the transmission device are arranged below the seat through the motor fixing transverse pipe and the lead screw mounting transverse pipe, the space on two sides of the seat is not occupied, the driving motor and the transmission device are arranged by means of the closed space below the seat, and the space utilization rate in the vehicle is improved. When the rear transverse pipe is located on the arc line section, the driving motor drives the driver to move along the screw rod and simultaneously drives the screw rod to wind the screw rod installation transverse pipe to rotate, and the linkage mode is ingenious in design and is the key for realizing the turnover of the cushion framework.

In the scheme, the method comprises the following steps: the driving motor is perpendicular to the screw rod and mounted on the motor fixing transverse pipe through the motor mounting seat, and the shell of the driver is welded on the motor mounting seat or the motor fixing transverse pipe. Conveniently realize the fixed horizontal pipe motion of driver drive motor to drive the cushion skeleton and slide along the spout.

In the scheme, the method comprises the following steps: the two sliding groove supports are symmetrically arranged on the outer sides of the two seat frame supports, welding plugs are arranged at two ends of the rear transverse pipe, and two ends of the rear transverse pipe are inserted into corresponding sliding grooves through the welding plugs. The welding end cap has two effects, firstly violently manages the back and seals, secondly replaces the back to violently manage and insert the spout, conveniently realizes installing the step screw in the welding end cap outside, and the head of step screw is greater than the width in bar hole to with the both sides restriction of cushion skeleton in the spout, prevent that the cushion skeleton from breaking away from the spout.

In the scheme, the method comprises the following steps: the two ends of the motor fixing transverse pipe are provided with connecting supports, and the two ends of the motor fixing transverse pipe are fixed on the seat frame front elbow through the connecting supports. The port of the motor fixing transverse pipe is directly connected with the pipe body of the seat frame front elbow with high difficulty, and the connection difficulty is reduced by means of the connecting support.

In the scheme, the method comprises the following steps: one end of the connecting bracket is provided with a counter bore for inserting the fixing transverse pipe of the motor, and the other end of the connecting bracket is provided with a U-shaped groove for clamping the bent pipe in front of the seat frame. The connecting bracket is connected tightly and has good stability.

The utility model has the beneficial effects that: 1. the design is ingenious, the driving motor drives the transmission device to drive the cushion framework to slide along the sliding groove, the translation of the cushion framework is realized in a straight line section, the cushion framework is withdrawn from the bottom end of the backrest framework, and the folding of the cushion framework is realized in an arc line section; 2. because the cushion framework is withdrawn from the bottom end of the backrest framework, the cushion framework is not influenced by the backrest framework when being turned over, the turning over at a large angle can be realized, even the turning over at 90 degrees or more than 90 degrees can be easily realized, the available space of the rear-row seats is increased to the greatest extent, the problem that the passageway in the vehicle is blocked by the seats is solved, and the convenience and the comfort of the use of the seats are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The chute type cushion folding mechanism shown in fig. 1 mainly comprises a rear transverse pipe 5, a seat frame front elbow pipe 10, a driving motor 11 and a transmission device.

The two sides of the seat frame front elbow pipe 10 are respectively fixed on the rear horizontal pipe through a seat frame bracket 4 to form a cushion framework together. Seat frame support 4 adopts the sheet metal component punching press to form, and seat frame support 4 is provided with the turn-ups along circumference except that the rear end, and seat frame support 4 rear end width dwindles for the upper and lower turn-ups of rear end are with the half parcel in front of the seat frame return bend 10's of front side, thereby increase the connection area of seat frame support 4 and seat frame front bend 10. The two seat frame supports 4 are symmetrical to each other, the two sliding groove supports 7 are symmetrically arranged on the outer sides or the inner sides of the two seat frame supports 4, and the two sliding groove supports 7 are fixedly connected with the vehicle body. Seat frame support 4 is improved level and is provided with bar hole 6, is provided with spacer pin 16 on the spout support 7, and spout support 7 passes through spacer pin 16 with the 6 cooperation realization rotation of bar hole and sliding connection of bar hole with the seat frame support 4 that corresponds.

The sliding chute 1 is formed by connecting a straight line segment and an arc segment, and the arc segment is arranged below the limiting pin 16 by taking the limiting pin 16 as a circle center. The two ends of the rear transverse tube 5 are respectively inserted into the corresponding sliding grooves 1, the transmission device is installed on the cushion framework, and the driving motor 11 can drive the transmission device to drive the cushion framework to slide along the sliding grooves 1 to realize folding.

Preferably, the transmission device comprises a screw rod 13 and a driver 12, a screw rod installation transverse pipe 8 is connected between the two seat frame supports 4, a motor fixing transverse pipe 15 is connected between the two sides of the seat frame front elbow pipe 10, the screw rod 13 is hinged on the screw rod installation transverse pipe 8 through a screw rod installation guide sleeve 14, a driving motor 11 is fixed on the motor fixing transverse pipe 15, the driving motor 11 is connected with the driver 12 screwed on the screw rod 13, the driver 12 can be driven to move along the screw rod 13 when the driving motor 11 rotates, and the screw rod 13 can be driven to rotate around the screw rod installation transverse pipe 8, so that the cushion framework is driven to slide along the sliding groove 1 to realize turnover. The driving motor 11 and the transmission device are arranged below the seat through the motor fixing transverse pipe 15 and the lead screw mounting transverse pipe 8, the space on two sides of the seat is not occupied, the driving motor and the transmission device are arranged by means of the closed space below the seat, and the utilization rate of the space in the vehicle is improved. When the rear transverse pipe 5 is located on the arc segment, the driving motor 11 drives the driver 12 to move along the screw rod 13 and simultaneously drives the screw rod 13 to rotate around the screw rod installation transverse pipe 8.

Preferably, the driving motor 11 is arranged perpendicular to the lead screw 13, the driving motor 11 is mounted on the motor fixing cross tube 15 through a motor mounting seat 17, and the housing of the driver 12 is welded on the motor mounting seat 17 or the motor fixing cross tube 15. The driver 12 can drive the motor fixing horizontal tube 15 to move conveniently, so as to drive the cushion framework to slide along the sliding groove 1.

Preferably, the two chute brackets 7 are symmetrically arranged at the outer sides of the two seat frame brackets 4, the welding plugs 3 are arranged at the two ends of the rear transverse pipe 5, and the two ends of the rear transverse pipe 5 are inserted into the corresponding chutes 1 through the welding plugs 3. Welding end cap 3 has two effects, firstly violently manages 5 closures after will, secondly replaces the back to violently manage 5 and insert spout 1 in, conveniently realizes installing step screw 2 in the 3 outside of welding end cap, and step screw 2's head is greater than the width of bar hole 6 to with the both sides restriction of cushion skeleton in spout 1, prevent that the cushion skeleton from breaking away from spout 1.

Preferably, the two ends of the motor fixing horizontal tube 15 are provided with connecting brackets 9, and the two ends of the motor fixing horizontal tube 15 are fixed on the seat frame front elbow 10 through the connecting brackets 9. The difficulty of the direct connection between the port of the motor fixing transverse tube 15 and the tube body of the seat frame front elbow 10 is high, and the connection difficulty is reduced by means of the connecting bracket 9.

Preferably, the connecting bracket 9 has a counter bore at one end for inserting the motor fixing cross tube 15 and a "U" shaped slot at the other end for clamping the seat frame front elbow 10. The connecting bracket 9 is connected tightly and has good stability.

Claims

1. The utility model provides a sliding chute formula cushion turns over a mechanism, violently manages (5), seat frame front bend (10), driving motor (11) and transmission, its characterized in that including the back: the seat frame front elbow (10) is characterized in that two sides are respectively fixed on a rear transverse pipe through a seat frame support (4) to jointly form a seat cushion framework, the seat frame supports (4) are symmetrical to each other, two sliding groove supports (7) are symmetrically arranged on the outer sides or the inner sides of the two seat frame supports (4), the two sliding groove supports (7) are fixedly connected with a vehicle body, a strip-shaped hole (6) is horizontally arranged on the seat frame support (4), a limiting pin (16) is arranged on each sliding groove support (7), the sliding groove supports (7) and the corresponding seat frame supports (4) are matched with the strip-shaped hole (6) through the limiting pin (16) to realize rotary connection and sliding connection, each sliding groove (1) is formed by connecting a straight line segment and an arc segment, the arc segment is arranged below the limiting pin (16) by taking the limiting pin (16) as the circle center, two ends of the rear transverse pipe (5) are respectively inserted into the corresponding sliding grooves (1), transmission installs on the cushion skeleton, driving motor (11) can drive transmission and drive the cushion skeleton and slide along spout (1) and realize turning over a book, seat frame support (4) adopt the sheet metal component punching press to form, and seat frame support (4) are provided with the turn-ups along circumference except that the rear end, and seat frame support (4) rear end width reduces for the upper and lower turn-ups of rear end is with the half parcel in front side of seat frame front bend (10).

2. The chute-type seat cushion folding mechanism of claim 1, wherein: transmission includes lead screw (13) and driver (12), is connected with the lead screw installation between two frame supports (4) and violently manages (8), be connected with the fixed violently pipe (15) of motor between the both sides of return bend (10) before the seat frame, lead screw (13) articulate on the horizontal pipe (8) of lead screw installation through lead screw installation guide pin bushing (14), driving motor (11) are fixed on the fixed violently pipe (15) of motor, driving motor (11) are connected with driver (12) of spiro union on lead screw (13), can drive driver (12) when driving motor (11) rotate and remove along lead screw (13) to drive lead screw (13) and violently manage (8) and rotate around the lead screw installation, thereby drive the cushion skeleton and slide along spout (1) and realize turning over a book.

3. The chute-type seat cushion folding mechanism of claim 2, wherein: the driving motor (11) is perpendicular to the screw rod (13), the driving motor (11) is installed on the motor fixing transverse pipe (15) through a motor installation seat (17), and the shell of the driver (12) is welded on the motor installation seat (17) or the motor fixing transverse pipe (15).

4. The chute-type seat cushion folding mechanism of claim 1, wherein: the two sliding groove supports (7) are symmetrically arranged on the outer sides of the two seat frame supports (4), welding plugs (3) are arranged at two ends of the rear transverse pipe (5), and two ends of the rear transverse pipe (5) are inserted into the corresponding sliding grooves (1) through the welding plugs (3).

5. The chute-type seat cushion folding mechanism of claim 2, wherein: the two ends of the motor fixing transverse pipe (15) are provided with connecting supports (9), and the two ends of the motor fixing transverse pipe (15) are fixed on the seat frame front elbow (10) through the connecting supports (9).

6. The chute-type seat cushion folding mechanism of claim 5, wherein: one end of the connecting bracket (9) is provided with a counter bore for inserting a motor fixing transverse tube (15), and the other end is provided with a U-shaped groove for clamping the seat frame front bent tube (10).