CN214607891U - Folding mechanism for folding bicycle and folding bicycle comprising same - Google Patents

Abstract

The utility model discloses a folding mechanism for folding car and contain its folding car, folding mechanism include the base, rotate piece, bracing piece A, bracing piece B, base and mounting, and folding car includes folding mechanism, and the free end holding of the rear wheel support of folding car is articulated in the hinge slot and with the base, and the one end of the rear wheel bumper shock absorber of folding car is established on rotating the piece, and the base is established on folding car's automobile body, and the interior bottom at folding car's seat spare is established to the base. The utility model discloses a folding mechanism simple structure, folding car after folding has reduced occupation space, and folding mode is vertical folding moreover, can not influence the bulk strength of folding car, ensures the stability and the security of folding car, and folding car after folding still can carry out the normal removal of fore-and-aft direction through front wheel and rear wheel moreover, and the transport is very easy to bring very big convenience for the user.

Description

Folding mechanism for folding bicycle and folding bicycle comprising same

Technical Field

The utility model relates to a folding mechanism for folding car and contain its folding car.

Background

Folding vehicles (such as folding motorcycles, folding electric vehicles, and folding bicycles) have the advantages of reduced storage space, portability, and the like, and are now widely used.

The core part of folding car is folding frame, and current folding frame is folding at the horizontal direction basically, utilizes ring flange and retaining member to implement butt joint and separation to the frame girder, reduces the occupation space of automobile body, but, the frame of this kind of structure can reduce the bulk strength of automobile body, and the unable rethread wheel of automobile body after folding removes moreover, and the transport difficulty brings very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding mechanism and contain its folding car for folding car.

According to one aspect of the utility model, a folding mechanism for a folding vehicle is provided, which comprises a base, a rotating part, a support rod A, a support rod B, a base and a fixing part,

one end of the rotating piece is hinged on the base, the rotating piece is provided with a lug boss,

one end of the supporting rod A is hinged on the other end of the rotating piece, the other end of the supporting rod A is hinged on the base,

one end of the supporting rod B is hinged on the base, the other end of the supporting rod B is hinged on the base,

the fixing piece penetrates through the boss and fixes the boss on the base, the fixing piece is detachably connected with the base,

two ends of the base are respectively provided with a hinge groove for installing a rear wheel bracket of the folding bicycle,

the middle position of rotating the piece is equipped with the mounting groove that is used for installing folding car rear wheel bumper shock absorber, can be equipped with the mounting hole on two lateral walls of mounting groove.

When the folding mechanism of the utility model is used on a folding vehicle, a rear wheel bracket of the folding vehicle is hinged and installed on a hinge groove of a base, one end of a rear wheel damper of the folding vehicle is accommodated in a mounting groove on a rotating piece, then a fixed shaft passes through a mounting hole on the mounting groove and the end part of the rear wheel damper, the rear wheel damper of the folding vehicle is fixed on the rotating piece, the base is installed on a vehicle body of the folding vehicle, the base is installed in a seat part of the folding vehicle, when the vehicle body needs to be folded, the fixing piece is detached from the base, because the rotating piece is rotationally connected with the base, a support rod A is rotationally connected with the rotating piece, a support rod B is rotationally connected with the base, the support rod A and the support rod B are rotationally connected with the base, when the rear wheel bracket of the folding vehicle is longitudinally overturned, the rear wheel bracket can overturn around the base, and simultaneously the rear wheel damper on the rear wheel bracket can downwards pull the rotating piece to overturn around the base, when the rotating part is turned over, the seat part of the folding bicycle is pushed towards the direction of the front wheel, the seat part can drive the supporting rod A and the supporting rod B to rotate around the rotating part and the base respectively, finally the seat part of the folding bicycle can be pushed on the bicycle body of the folding bicycle, at the moment, the rear wheel bracket is also turned to a specified position, thereby completing the folding storage of the folding bicycle, the folding mechanism of the utility model has simple structure, the folding bicycle after being folded reduces the occupied space, the folding mode is longitudinal folding, the integral strength of the folding bicycle can not be influenced, the stability and the safety of the folding bicycle are ensured, and the folding bicycle after being folded can still normally move in the front-back direction through the front wheel and the rear wheel, the carrying is very easy, thereby bringing great convenience to a user, when the folding bicycle needs to be turned over and opened, the seat part of the folding bicycle is pulled up and pushed backwards, the seat part supporting rod drives the supporting rod A and the supporting rod B to rotate, bracing piece A drives and rotates the piece and rotates towards the base direction, rotates the piece and drives the rear wheel support through the rear wheel bumper shock absorber on the rear wheel support and rotates round the base, supports the back on the base when rotating the boss on, and the rear wheel support also overturns and opens appointed position, then utilizes the mounting to fix the boss on the base, and at this moment, the upset of folding car is opened and is accomplished.

In some embodiments, the other end of the rotating member may be provided with two lugs arranged oppositely, and one end of the support rod a is received between and hinged with the two lugs. Therefore, the hinged position of the support rod A is located between the two lugs on the rotating piece, and the folded support rod A can be accommodated between the two lugs and attached to the rotating piece, so that the overall occupied space after folding is further reduced.

In some embodiments, the support bar a may have an arc shape. From this, the bracing piece A that is the arc form can ensure that bracing piece A can not interfere with rotating the piece at folding rotation in-process, makes the seat part of folding car after folding totally can attach on the automobile body, further reduces folding holistic occupation space.

In some embodiments, a mounting shaft may be further included, one end of the rotation member may be provided with a hinge, and a side portion of the base may be provided with a hinge received in the hinge, with the mounting shaft being inserted through the hinge and the hinge. Therefore, when the rotating part rotates on the base through the hinged part of the hinged joint and the side part of the base, the boss on the rotating part can be abutted against or separated from the base, when the folding mechanism needs to be folded, the boss is separated from the base, and after the folding mechanism is completely opened, the boss abuts against the base.

In some embodiments, the top of the base may be provided with a through slot, and one end of the support rod B is received in the through slot and hinged with the base. From this, the one end holding of bracing piece B realizes articulated the bulk strength that can improve folding mechanism in leading to the groove.

In some embodiments, the number of the support rods B may be two, the number of the through grooves may be two, and one ends of the two support rods B are respectively accommodated in the two through grooves and hinged to the base. Therefore, the two support rods B can ensure that the supporting force borne by the seat part of the folding bicycle is kept balanced, and the stability of the seat part is ensured.

In some embodiments, the support rod B may include a horizontal rod portion and a vertical rod portion connected to each other, the horizontal rod portion and the vertical rod portion are arranged in an L shape, the horizontal rod portion is accommodated in the through groove and hinged to the base, and one end of the vertical rod portion is hinged to the base. From this, because horizontal pole portion and vertical pole portion are L shape and arrange, horizontal pole portion holding can ensure that the vertical pole portion after folding completely can be attached on the automobile body of folding car in leading to the groove, further reduces holistic occupation space after folding, moreover, opens folding mechanism completely after, horizontal pole portion can support and press in leading to the groove, ensures the steadiness of the seat part of folding car.

In some embodiments, the boss may have a through hole, the top of the base may have a receiving hole, and one end of the fixing member passes through the through hole of the boss and is received in the receiving hole. From this, when the automobile body needs to be folded, directly take out the mounting from the holding hole of base, rotate this moment and can rotate round the base, open folding mechanism when overturning completely after, the boss that rotates on the piece supports and leans on the base, pass the perforation and the holding that rotate piece and base in holding the hole with the mounting this moment on the boss can be accomplished and rotate the fixing of piece.

According to the utility model discloses a according to another aspect, still provide a folding car, including aforementioned folding mechanism, the free end holding of the rear wheel support of folding car is articulated in articulated groove and with the base, and the one end of the rear wheel bumper shock absorber of folding car is established on rotating the piece, and the base is established on the automobile body of folding car, and the interior bottom at the seat part of folding car is established to the base.

The utility model discloses a folding car has reduced occupation space after folding, and folding mode is vertical folding moreover, can not influence the bulk strength of folding car, ensures the stability and the security of folding car, and automobile body after folding still can carry out the normal removal of fore-and-aft direction through front wheel and rear wheel moreover, and the transport is very easy to bring very big convenience for the user.

Drawings

Fig. 1 is a schematic structural view illustrating a folding mechanism for a folding cart according to an embodiment of the present invention mounted on the folding cart;

FIG. 2 is a schematic illustration of a disassembled configuration of the folding mechanism for the folding cart shown in FIG. 1;

fig. 3 is a schematic structural view of a foldable cart according to an embodiment of the present invention;

FIG. 4 is an unfolded state of the folding cart shown in FIG. 3;

FIG. 5 is an enlarged schematic view of a portion of the structure of the folding cart shown in FIG. 4;

FIG. 6 is a state diagram of the folding cart shown in FIG. 4 during folding;

FIG. 7 is an enlarged schematic view of a portion of the structure of the folding cart shown in FIG. 6;

fig. 8 is a state view of the folding cart shown in fig. 6 after being completely folded.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Fig. 1 and 2 schematically show the structure of a folding mechanism for a folding cart according to an embodiment of the present invention.

Referring to fig. 1 and 2, a folding mechanism for a folding cart includes a base 1, a rotation member 2, a support bar a3, a support bar B4, a base 5, and a fixing member 6. Furthermore, the folding mechanism for the folding cart may also include a mounting shaft 7.

Referring to fig. 2, a hinge portion 12 is formed at a side portion of a base 1, a groove (not shown) is formed in the hinge portion 12, a hinge head 23 is formed at a lower right portion of the rotation member 2, the hinge head 23 is received in the groove formed in the hinge portion 12 and can rotate in the groove, a mounting shaft 7 passes through one end of the hinge portion 12 and the hinge head 23 in the groove and penetrates out from the other end of the hinge portion 12, so that the hinge head 23 and the hinge portion 12 are mounted together, the hinge head 23 can rotate on the base 1 with the mounting shaft 7 as a rotation shaft, and a limit bolt can be mounted on an end of the mounting shaft 7 penetrating out from the other end of the hinge portion 12 to prevent the mounting shaft 7 from falling out.

Referring to fig. 2, a receiving hole 14 is formed at the top of the base 1, a boss 21 extending from the right side of the rotation member 2 is formed, and a through hole 24 is formed on the boss 21; referring to fig. 1, when the folding mechanism is unfolded, the boss 21 of the rotating member 2 abuts against the top of the base 1, and the through hole 24 of the boss 21 is aligned with the receiving hole 14 of the top of the base 1; referring to fig. 2, the lower end of the fixed member 6 passes through the through hole 24 of the boss 21 and is received in the receiving hole 14, the fixed member 6 can be taken out of the receiving hole 14, when the fixed member 6 is received in the receiving hole 14, the rotating member 2 cannot rotate on the base 1, and when the fixed member 6 is taken out of the receiving hole 14, the rotating member 2 can rotate on the base 1; when rotating piece 2 rotates on base 1, can realize rotating piece 2 boss 21 and base 1 on leaning on or the separation, when needing to fold, boss 21 and base 1 separation, after opening folding mechanism completely, boss 21 supports and leans on base 1, when needing to fold the automobile body, take out mounting 6 from the holding hole 14 of base 1, it can rotate around base 1 to rotate piece 2 this moment, after opening folding mechanism (the state shown in figure 1) when overturning completely, boss 21 on rotating piece 2 supports and leans on base 1, can accomplish rotating piece 2 and base 1's fixing with fixing piece 6 through perforation 24 on boss 21 and holding in holding hole 14 this moment.

Referring to fig. 1 and 2, in the present embodiment, the fixing member 6 may be a latch structure, and the fixing member 6 can be mounted and dismounted by a plugging action. In other embodiments, the fixing member 6 may be a bolt structure, the through hole 24 is a through hole, and the receiving hole 14 is a threaded counter bore, so that the fixing member 6 can be installed and removed by twisting the fixing member 6.

Referring to fig. 1 and 2, the upper left portion of the rotating member 2 is formed with two oppositely disposed lugs 22, the right end of the supporting rod A3 is accommodated between the two lugs 22, the right end of the supporting rod A3 is installed between the two lugs 22 through the rotating shaft, the supporting rod A3 can rotate around the rotating shaft, thereby realizing that the supporting rod A3 is connected with the rotation of the rotating member 2, because the right end of the supporting rod A3 is located between the two lugs 22 on the rotating member 2, the supporting rod A3 after rotation folding can be accommodated between the two lugs 22 and attached to the rotating member 2, thereby reducing the occupied space after folding.

Referring to fig. 2, the supporting rod A3 is arc-shaped, and the supporting rod A3 that is arc-shaped can ensure that the non-hinged part of the supporting rod A3 does not interfere with the rotating part 2 in the process of rotating and folding, so that when the folding mechanism is installed on the folding cart, the seat part of the folding cart after being completely folded can be attached to the cart body of the folding cart, and the overall occupied space after being folded is reduced.

Referring to fig. 2, the left end of the supporting rod A3 is hinged on the base 5, the left end of the supporting rod A3 can be installed at the bottom of the base 5 through a rotating shaft, and the supporting rod A3 and the base 5 can rotate with each other.

Referring to fig. 2, a through groove 13 is formed at the top of the base 1, the lower end of the support bar B4 is received in the through groove 13 and hinged with the base 1, and the lower end of the support bar B4 can be installed in the through groove 13 on the base 1 through a rotating shaft.

Referring to fig. 2, the supporting bar B4 includes a horizontal bar portion 41 and a vertical bar portion 42, the horizontal bar portion 41 and the vertical bar portion 42 are integrally connected, and the horizontal bar portion 41 and the vertical bar portion 42 are arranged in an L shape; the cross rod part 41 is accommodated in the through groove 13 and connected through two side walls of the through groove 13 of the rotating shaft, and the cross rod part 41 can rotate around the rotating shaft, so that the support rod B4 is rotatably connected with the base 1; the upper end of the vertical rod part 42 is hinged on the base 5, the upper end of the vertical rod part 42 can be installed at the bottom of the base 5 through a rotating shaft, and the vertical rod part 42 and the base 5 can rotate mutually; when the folding mechanism is installed on the folding bicycle, the transverse rod part 41 is accommodated in the through groove 13, so that the longitudinal rod part 42 after being completely rotated can be attached to the bicycle body of the folding bicycle, the overall occupied space after being folded is reduced, and after the folding mechanism is completely opened, namely when the supporting rod B4 is completely turned over and opened (the state shown in figure 1), the transverse rod part 41 can be pressed in the through groove 13, so that the overall strength of the folding mechanism can be improved, the stability of a seat part of the folding bicycle can be ensured, and the bearing force of the seat part of the folding bicycle can be ensured.

Referring to fig. 1 and fig. 1, in this embodiment, the number of the support rods B4 is two, the number of the through slots 13 on the base 1 is two, the cross bar portions 41 of the two support rods B4 are respectively accommodated in the two through slots 13, the two through slots 13 are respectively located at two sides of the accommodating hole 14 on the base 1, and the two support rods B4 can ensure that the supporting force applied to the seat component of the foldable vehicle is kept balanced, the stability of the seat component is ensured, and the supporting force of the seat component of the foldable vehicle is ensured. In other embodiments, the number of the supporting rods B4 can be adjusted according to the bearing force requirement, and the number of the supporting rods B4 is the same as that of the through grooves 13.

Referring to fig. 2, the base 1 is formed with concave hinge grooves 11 at both ends thereof, and the hinge grooves 11 are used for mounting a rear wheel bracket of the foldable vehicle.

Referring to fig. 2, an inwardly concave mounting groove (not shown) is formed at a middle position of the rotating member 2, the mounting groove is located below the two lugs 22, the mounting groove is used for mounting a rear wheel damper of the folding cart, mounting holes 25 are formed at two side walls of the mounting groove, when the folding mechanism is mounted on the folding cart, one end of the rear wheel damper of the folding cart is accommodated in the mounting groove on the rotating member 2, and then the rear wheel damper of the folding cart can be fixed on the rotating member 2 by passing a fixing shaft through the mounting hole 25 on the mounting groove and the end of the rear wheel damper.

Fig. 3 schematically shows a structure of a folding cart according to an embodiment of the present invention.

Referring to fig. 3, the folding cart includes the above folding mechanism, a rear wheel bracket 101, a rear wheel damper 102, a cart body 103, and a seat member 104.

Referring to fig. 3, two free ends of the rear wheel bracket 101 are respectively accommodated in the hinge grooves 11 on both sides of the base 1, the mounting shaft 7 of the folding mechanism sequentially passes through one free end of the rear wheel bracket 101, one end of the hinge portion 12, the hinge joint 23, the other end of the hinge portion 12, and the other free end of the rear wheel bracket 101, so as to mount the rear wheel bracket 101, the base 1, and the rotating member 2 together, and the rear wheel bracket 101 can rotate around the mounting shaft 7, so as to realize the hinge joint of the rear wheel bracket 101 and the base 1.

Referring to fig. 3, one end of the rear wheel damper 102 is mounted and fixed on the rear wheel bracket 101, and the other end of the rear wheel damper 102 is received in the mounting groove of the rotation member 2, and then the fixing shaft is passed through the mounting hole 25 of the mounting groove and the end of the rear wheel damper 102, thereby fixing the rear wheel damper 102 on the rotation member 2.

Referring to fig. 3, the base 1 of the folding mechanism is fixed to the vehicle body 103, and the base 5 of the folding mechanism is fixed to the inner bottom of the seat member 104.

Fig. 4 to 8 schematically show the state change of the folding cart shown in fig. 3 during the folding process.

Referring to fig. 4 and 5, when the foldable vehicle needs to be folded, the fixing member 6 is taken out from the through hole 24 on the boss 21 and the accommodating hole 14 on the base 1, because the rotating member 2 is rotatably connected with the base 1, the supporting rod A3 is rotatably connected with the rotating member 2, the supporting rod B4 is rotatably connected with the base 1, and the supporting rod A3 and the supporting rod B4 are both rotatably connected with the base 5, when the rear wheel support 101 is longitudinally turned (in the direction of F1 shown in fig. 4), the rear wheel support 101 can be turned around the base 1, and the rear wheel damper 102 on the rear wheel support 101 pulls the rotating member 2 downward to turn the rotating member 2 around the base 1 (the state shown in fig. 6), when the rotating member 2 is turned, the seat member 104 of the foldable vehicle is pushed towards the front wheel, the seat member 104 via the base 5 drives the supporting rod A3 around the rotating member 2 and drives the two supporting rods B4 around the base 1 (the state shown in fig. 7), finally, the seat part 104 of the folding vehicle can be pushed on the vehicle body 101 of the folding vehicle, and the rear wheel bracket 101 is also turned to a designated position at the moment, so that the folding storage of the folding vehicle is completed (the state shown in fig. 8), the folding mechanism of the utility model has a simple structure, the folded folding vehicle reduces the occupied space, and the folding mode is longitudinal folding, thereby not affecting the overall strength of the folding vehicle, ensuring the stability and the safety of the folding vehicle, and the folding vehicle after being folded can still normally move in the front-back direction through the front wheels and the rear wheels, and is very easy to carry, thereby bringing great convenience to users; when the foldable vehicle needs to be turned over and opened, the seat part 104 of the foldable vehicle is pulled up and pushed backwards (in the direction of F2 shown in fig. 8), the seat part 104 drives the supporting rod A3 and the supporting rod B4 to rotate, the supporting rod A3 drives the rotating part 2 to rotate towards the direction of the base 1, the rotating part 2 drives the rear wheel bracket 101 to rotate around the base 1 through the rear wheel damper 102 on the rear wheel bracket 101, when the boss 21 on the rotating part 2 abuts against the base 1, the rear wheel bracket 101 is also turned over and opened to a specified position (the state shown in fig. 4), and then the boss 21 is fixed on the base 1 by using the fixing part 6, at this time, the turning over and opening of the foldable vehicle are completed.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (9)

1. A folding mechanism for a folding bicycle is characterized by comprising a base (1), a rotating piece (2), a supporting rod A (3), a supporting rod B (4), a base (5) and a fixing piece (6),

one end of the rotating piece (2) is hinged on the base (1), a lug boss (21) is arranged on the rotating piece (2),

one end of the supporting rod A (3) is hinged on the other end of the rotating piece (2), the other end of the supporting rod A (3) is hinged on the base (5),

one end of the supporting rod B (4) is hinged on the base (1), the other end of the supporting rod B (4) is hinged on the base (5),

the fixing piece (6) penetrates through the boss (21) and fixes the boss (21) on the base (1), the fixing piece (6) is detachably connected with the base (1),

two ends of the base (1) are respectively provided with a hinge groove (11) for installing a rear wheel bracket of the folding bicycle,

the middle position of rotating piece (2) is equipped with the mounting groove that is used for installing folding car rear wheel bumper shock absorber, is equipped with mounting hole (25) on two lateral walls of mounting groove.

2. The folding mechanism according to claim 1, characterized in that the other end of the rotary member (2) is provided with two lugs (22) arranged opposite to each other, and one end of the support rod a (3) is accommodated between the two lugs (22) and is hinged to the lugs (22).

3. The folding mechanism according to claim 2, characterized in that said supporting bar a (3) is arc-shaped.

4. The folding mechanism according to claim 1, characterized in that it further comprises a mounting shaft (7), one end of the rotating member (2) is provided with a hinge (23), the side of the base (1) is provided with a hinge (12), the hinge (23) is accommodated in the hinge (12), and the mounting shaft (7) is inserted into the hinge (12) and the hinge (23).

5. The folding mechanism according to claim 1, characterized in that the top of the base (1) is provided with a through slot (13), and one end of the support bar B (4) is housed in the through slot (13) and hinged to the base (1).

6. The folding mechanism according to claim 5, characterized in that said support bars B (4) are two in number and said through slots (13) are two in number, one end of each of said two support bars B (4) being housed in one of said two through slots (13) and hinged to said base (1).

7. The folding mechanism according to claim 5, characterized in that the support bar B (4) comprises a crossbar portion (41) and a vertical bar portion (42) which are connected with each other, the crossbar portion (41) and the vertical bar portion (42) are arranged in an L shape, the crossbar portion (41) is accommodated in the through slot (13) and is hinged to the base (1), and one end of the vertical bar portion (42) is hinged to the base (5).

8. The folding mechanism according to claim 1, characterized in that the boss (21) is provided with a through hole (24), the top of the base (1) is provided with a receiving hole (14), and one end of the fixing member (6) passes through the through hole (24) of the boss (21) and is received in the receiving hole (14).

9. Folding cart, characterized in that, comprising the folding mechanism of claim 1-8, the free end of the rear wheel bracket (101) of the folding cart is received in the hinge slot (11) and hinged with the base (1), one end of the rear wheel shock absorber (102) of the folding cart is arranged on the rotating piece (2), the base (1) is arranged on the cart body (103) of the folding cart, and the base (5) is arranged at the inner bottom of the seat part (104) of the folding cart.

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