CN216301315U

CN216301315U - Folding seat of electric leisure vehicle for old people

Info

Publication number: CN216301315U
Application number: CN202123100331.7U
Authority: CN
Inventors: 潘旭江; 施李刚
Original assignee: ZHEJIANG QIANXI VEHICLE CO Ltd
Current assignee: ZHEJIANG QIANXI VEHICLE CO Ltd
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-04-15
Anticipated expiration: 2031-12-11

Abstract

The utility model discloses an electric folding seat of an old recreational vehicle, which comprises a backrest frame, a cushion frame and a seat folding device, wherein the seat folding device comprises a left main support, a right main support, an upper support, a left lower support, a right lower support and a shock absorber, two ends of the left main support and the right main support are hinged on front supports on two sides of the cushion frame and two sides of a vehicle frame, the upper parts of the left lower support and the right lower support are rotatably connected on the upper support, the lower parts of the left lower support and the right lower support are hinged on rear supports on two sides of the vehicle frame, the shock absorber is hinged between the cushion frame and the upper support, inner lock holes and track grooves are correspondingly arranged on the left main support and the right main support, a spring and elastic pins on two sides of the spring are arranged in a central tube of the upper support, lock column sections matched with the inner lock holes and guide column sections matched with the track grooves are correspondingly arranged on the elastic pins, and the guide column sections extend out of the track grooves to be connected with a locking mechanism. After adopting above-mentioned structure, have that structural design is reasonable, easy operation, folding quick convenient, connect advantages such as reliable, folding small.

Description

Folding seat of electric leisure vehicle for old people

Technical Field

The utility model relates to the technical field of electric leisure vehicles for the old, in particular to an electric folding seat of a leisure vehicle for the old, with a foldable cushion.

Background

The electric leisure vehicle for the old is a transportation means for riding instead of walk with the running speed between the electric wheelchair and the electric motorcycle, and is deeply popular with the old due to low gravity center, stable running, beautiful and elegant appearance and slightly higher speed than the wheelchair. However, the existing electric leisure vehicle for the old has the problems of large volume and inconvenient carrying because the seat can not be folded, and can not be placed in a trunk of a vehicle to be carried with the vehicle, so that consumer groups for leisure travel are further limited.

Disclosure of Invention

In order to overcome the problems in the prior art, the utility model aims to provide the folding seat of the electric leisure vehicle for the old, which has the advantages of reasonable structural design, simple operation, quick and convenient folding, reliable connection and small folding volume.

The utility model solves the technical problem by adopting the technical scheme that the seat folding device comprises a backrest frame, a cushion frame and a seat folding device, wherein the seat folding device comprises a left main support, a right main support, an upper support, a left lower support, a right lower support and a shock absorber, two ends of the left main support and the right main support are correspondingly hinged on front supports at two sides of the rear end of the cushion frame and at two sides of a frame, the upper parts of the left lower support and the right lower support are rotatably connected on the upper support, the lower parts of the left lower support and the right lower support are correspondingly hinged on rear supports at two sides of the frame, two ends of the shock absorber are correspondingly hinged between the cushion frame and the upper support, inner lock holes and track grooves are correspondingly arranged on the left main support and the right main support, a spring and elastic pins at two sides of the spring are arranged in a central pipe of the upper support, lock column sections matched with the inner lock holes and guide column sections matched with the track grooves are correspondingly arranged on the elastic pins, and the guide column sections extend out of the track grooves to be connected with a locking mechanism.

In a further scheme of the utility model, the locking mechanism comprises a locking snap ring correspondingly fixed on the main bracket and a handle button rotationally connected with the guide pillar section, and a notch matched with the handle button in the width direction is arranged on the locking snap ring; when the lock is in a locking state, the lock cylinder section is locked on the inner lock hole, the guide cylinder section is matched with the notch of the locking retaining ring, the handle of the handle button is in the opposite direction of the notch of the locking retaining ring, and the handle button is locked and cannot be pressed down; when the handle button is pressed down, the elastic pin retracts, and the lock cylinder section is separated from the inner lock hole to realize unlocking.

In a further scheme of the utility model, the locking retaining ring is correspondingly provided with an upper limiting bulge and a lower limiting bulge which prevent the handle button from freely rotating.

In a further scheme of the utility model, the frame is provided with a folding positioning seat for positioning the cushion frame when the seat is folded.

In a further scheme of the utility model, a folding seat which can be opened clockwise and can be folded anticlockwise is arranged between the backrest frame and the seat cushion frame.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly, can realize fast through seat folding device that the seat is folding, can realize seat folding device's locking and unblock fast through locking mechanical system, it is folding convenient fast, locking safe and reliable. And secondly, because the left and right main supports are correspondingly provided with the inner lock hole and the track groove, the central tube of the upper support is internally provided with the spring and the elastic pins at two sides of the spring, and the elastic pins are correspondingly provided with the lock cylinder section matched with the inner lock hole and the guide cylinder section matched with the track groove, when the connecting device is unfolded for use, the lock cylinder section is matched with the inner lock hole, so that the reliability of connection and use can be ensured. And thirdly, the locking retaining ring is correspondingly provided with an upper limiting bulge and a lower limiting bulge, so that the handle button can be prevented from rotating freely to generate misoperation. And fourthly, the folding positioning seat is arranged on the frame, so that the folding positioning seat can be used for positioning the seat in a folding way, and the folding smoothness is ensured.

Drawings

Fig. 1 is a schematic perspective view of the present invention in an unfolded state.

Fig. 2 is a schematic front view of the present invention in the unfolded state.

Fig. 3 is a schematic view of the fitting structure of the upper bracket in the locking state according to the present invention.

Fig. 4 is a schematic perspective view of the folded state of the present invention.

The folding seat comprises a backrest frame 1, a folding seat 2, a cushion frame 3, a shock absorber 4, an upper support 5, a spring 6, a spring pin 7, a main support 8, a locking buckle 9, a handle button 10, a folding positioning seat 11, a rear support 12, a lower support 13, a track groove 14, a front support 15, a frame 16, a limiting bulge 17, a guide column section 18, a lock column section 19 and an inner lock hole 20.

Detailed Description

Fig. 1 to 4 show a specific embodiment of the folding seat of the electric leisure vehicle for the elderly according to the present invention, which comprises a backrest frame 1, a seat cushion frame 3, and a seat folding device, wherein the seat folding device comprises left and right main brackets 8, an upper bracket 5, left and right lower brackets 13, and a shock absorber 4, two ends of the left and right main brackets 8 are correspondingly hinged to front brackets 15 at two sides of the rear end of the seat cushion frame 3 and at two sides of a vehicle frame 16, upper portions of the left and right lower brackets 13 are rotatably connected to the upper bracket 5, lower portions of the left and right lower brackets 13 are correspondingly hinged to rear brackets 12 at two sides of the vehicle frame 16, two ends of the shock absorber 4 are correspondingly hinged between the seat cushion frame 3 and the upper bracket 5, inner locking holes 20 and track grooves 14 are correspondingly formed on the left and right main brackets 8, a spring 6 and an elastic pin 7 at two sides of the spring 6 are arranged in a central tube of the upper bracket 5, a locking column section 19 matched with the inner locking holes 20 and a guide column section 18 matched with the track grooves 14 are correspondingly formed on the elastic pin 7, the guide post segment 18 extends out of the track groove 14 to connect with the locking mechanism.

In order to ensure the safety and reliability of locking, the locking mechanism comprises a locking retaining ring 9 correspondingly fixed on the main bracket 8 and a handle button 10 rotationally connected with the guide post section 18, and a notch matched with the handle button 10 in the width direction is arranged on the locking retaining ring 9; in the locking state, the lock column section 19 is locked on the inner lock hole 20, the guide column section 18 is matched with the notch of the locking retaining ring 9, the handle of the handle button 10 is positioned in the opposite direction of the notch of the locking retaining ring 9, and the handle button 10 is locked and cannot be pressed down; when the lock is unlocked, the lock cylinder section 19 is locked on the inner lock hole 20, the guide cylinder section 18 is matched with the notch of the locking retaining ring 9, the handle of the handle button 10 is positioned in the same direction as the notch of the locking retaining ring 9, when the handle button 10 is pressed, the elastic pin 7 retracts, and the lock cylinder section 19 is separated from the inner lock hole 20 to realize unlocking.

In order to prevent misoperation, the locking retaining ring 9 is correspondingly provided with an upper limiting bulge 17 and a lower limiting bulge 17 which prevent the handle button 10 from freely rotating.

In order to ensure the folding stability and reliability, the frame 16 is provided with a folding positioning seat 11 for positioning the cushion frame 3 when the seat is folded.

In order to facilitate the folding of the backrest frame 1, a folding seat 2 which can be opened clockwise and can be used for folding the backrest frame 1 anticlockwise is arranged between the backrest frame 1 and the seat cushion frame 3.

The folding operation principle of the utility model is as follows: firstly, the backrest frame 1 is rotated anticlockwise and folded onto the cushion frame 3 through the folding seat 2, then the handle buttons 10 on the left side and the right side are rotated to overcome the limitation of the upper limiting bulge 17 and the lower limiting bulge 17, the handle buttons 10 are rotated to be parallel to the track groove 14 from the opposite direction of the notch of the locking buckle 9, then the index fingers of two hands press the handle buttons 10 on the left side and the right side and drive the corresponding elastic pins 7 to move backwards against the elasticity of the spring 6, so that the lock cylinder sections 19 of the elastic pins 7 on the left side and the right side are separated from the inner lock holes 20 on the corresponding main support 8 to realize unlocking, the upper support 5 and the lower support 13 are pressed by the two mother fingers, so that the guide cylinder sections 18 on the upper support 5 and the elastic pins 7 on the left side and the right side move downwards along the track groove 14 of the main support 8, at the moment, the lower support 13 rotates anticlockwise around the rear support 12, the main support 8 rotates clockwise around the front support 15, the cushion frame 3 is driven by the upper support 5 to move downwards and rotate clockwise, and after the seat is folded, the seat folding device rotates clockwise by taking the hinged point of the shock absorber 4 and the upper bracket 5 as the circle center until the cushion frame 3 is buckled on the folding positioning seat 11.

The principle of the unfolding operation of the utility model is as follows: the left hand grasps the front part of the cushion frame 3, the right hand grasps the rear part of the cushion frame 3, and the left hand and the right hand are pulled upwards with force until the elastic pins 7 on the left side and the right side are automatically ejected out, so that the lock cylinder sections 19 of the elastic pins 7 are locked in the inner lock holes 20 of the main support 8, the main support 8 is prevented from sinking, and the cushion frame 3 is unfolded at the same time; the handle buttons 10 on the left side and the right side are rotated to overcome the limitation of the upper limiting bulge 17 and the lower limiting bulge 17, the handle buttons 10 are rotated to the opposite direction from the same direction of the notches of the locking retaining rings 9, the handle buttons are positioned between the upper limiting bulge 17 and the lower limiting bulge 17 of the handle buttons 10, and finally the backrest frame 1 is rotated and unfolded clockwise through the folding seat 2, so that the unfolding and the locking of the seat folding device are realized.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.

Claims

1. The utility model provides an electronic old person's recreational vehicle folding seat chair, includes back frame (1), cushion frame (3), seat folding device, characterized by: the seat folding device comprises a left main support (8), a right main support (8), an upper support (5), a left lower support (13), a right lower support (13) and a shock absorber (4), wherein the two ends of the left main support (8) and the right main support (8) are correspondingly hinged on the two sides of the rear end of a cushion frame (3) and the front supports (15) on the two sides of a frame (16), the upper parts of the left lower support (13) and the right lower support (13) are rotatably connected on the upper support (5), the lower parts of the left lower support (13) and the right lower support are correspondingly hinged on the rear supports (12) on the two sides of the frame (16), the two ends of the shock absorber (4) are correspondingly hinged between the cushion frame (3) and the upper support (5), the left main support (8) and the right main support (8) are correspondingly provided with an inner lock hole (20) and a track groove (14), a spring (6) and an elastic pin (7) on the central pipe of the upper support (5), a lock column section (19) matched with the inner lock hole (20) and a guide column section (18) matched with the track groove (14) are correspondingly arranged on the elastic pin (7), the guide post section (18) extends out of the track groove (14) and is connected with the locking mechanism.

2. The foldable seat of electric leisure vehicle for the elderly as claimed in claim 1, which is characterized in that: the locking mechanism comprises a locking snap ring (9) correspondingly fixed on the main support (8) and a handle button (10) rotatably connected with the guide post section (18), and a notch matched with the handle button (10) in the width direction is formed in the locking snap ring (9); when in a locking state, the lock cylinder section (19) is locked on the inner lock hole (20), the guide cylinder section (18) is matched with the notch of the locking retaining ring (9), the handle of the handle button (10) is positioned in the opposite direction of the notch of the locking retaining ring (9), and the handle button (10) is locked and cannot be pressed down; when the lock is unlocked, the lock cylinder section (19) is locked on the inner lock hole (20), the guide cylinder section (18) is matched with the notch of the locking retaining ring (9), the handle of the handle button (10) is positioned in the same direction of the notch of the locking retaining ring (9), when the handle button (10) is pressed, the elastic pin (7) retracts, and the lock cylinder section (19) is separated from the inner lock hole (20) to realize unlocking.

3. The foldable seat of electric leisure vehicle for the elderly as claimed in claim 2, which is characterized in that: the locking retaining ring (9) is correspondingly provided with an upper limiting bulge (17) and a lower limiting bulge (17) which prevent the handle button (10) from freely rotating.

4. The folding seat of electric leisure vehicle for old people as claimed in claim 1, 2 or 3 is characterized in that: the frame (16) is provided with a folding positioning seat (11) for positioning the cushion frame (3) when the seat is folded.

5. The foldable seat of electric leisure vehicle for the elderly as claimed in claim 4, wherein: a folding seat (2) which can be opened clockwise and can be used for folding the backrest frame (1) anticlockwise is arranged between the backrest frame (1) and the cushion frame (3).