JP3085891B2 - Bicycle auxiliary seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary seat which is used by being fixed to a bicycle carrier, and more particularly to an auxiliary seat having a structure which can be used as a luggage basket.

[0002]

2. Description of the Related Art Conventionally, as this kind of prior art,
There are those described in Japanese Utility Model Publication No. 58-33017 and Japanese Utility Model Publication No. 7-2381. In the former, an openable / closed surface frame is pivotally attached to the vertical members at both ends of a mounting member fixed to the bottom frame from the outside so as to be rotatable, and a foot resting rod is suspended from the vertical members at both ends. Also, the latter supports the opening / closing surface frame with a pin provided on a bracket provided on the bottom surface frame so as to be rotatable, and the footrest portion has a screw and a mounting member fixed at one upper end to the front end of the bottom surface frame. It was attached via a nut, and the other upper end was bent and hooked to the bottom frame.

[0003]

However, in the former of the above-mentioned prior arts, the open / close face frame is pivotally mounted from the outside to the both end vertical pieces of the mounting member fixed to the bottom face frame. Therefore, when used as an auxiliary seat, the foot of a child presses the opening / closing surface frame inward, and there is no problem, but when used as a luggage basket, the luggage put in the basket is Since it acts to push the frame outward, it was easy for the pivoted part to come off. This is unavoidable because the opening and closing surface frame is configured to rotate outside the left and right side frames so that the footrest portion can be covered when the opening and closing surface frame rotates. On the other hand, in the case of the latter, a bracket for supporting the opening and closing surface frame is provided inside the left and right side frame, and therefore, the pin for rotatably supporting the shaft is naturally mounted inside the left and right side frame. It was a small work in a small space, and the work efficiency was never good. Since this was developed so as not to drop even small items when using the auxiliary seat as a carrier, even a slight gap between the left and right side frame and the open / close surface frame is not allowed. It was because. Also, one upper end of the footrest is fastened to the mounting member with a screw, but since this mounting member is provided in a plate shape on the corner side surface of the bottom frame and the front frame, it was inserted sideways. The screw floats in the air from the bottom frame, which not only hinders the laying of cushioning material and the like, but also when used as a luggage basket, may damage the contents by contact. Further, only one of the footrests is fastened by a screw, and when the screw is loosened, the other is simply hooked, despite being rotatable around the screw. And the hooking was insufficient, and the footrest portion was easily detached.

According to the present invention, in view of the above points, the opening / closing surface frame can be firmly pivoted, and can be rotatably provided in an easy mounting operation, and the footrest portion is firmly provided at a position where there is no hindrance. The purpose is to provide a bicycle seat that can be used.

[0005]

In order to achieve the above object, the present invention provides a substantially rectangular bottom frame, a front frame located on one short side of the bottom frame, and another short side of the bottom frame. And a left and right side frame having an open portion between the front side frame and the left and right sides of the bottom side frame, and a lateral frame between the long sides near the center of the bottom side frame. A first fixing plate member ,
The second fixing that is suspended between the long sides near the front frame of the bottom frame
A pair of left and right symmetrical opening / closing face frames capable of closing the open portion are rotatably supported on an auxiliary seat main body integrally provided with a use plate member, and a footrest portion is provided downward from near the open portion. Oite the bicycle auxiliary seat made by hanging both end causes extend the out of the long sides of the bottom frame of the first fixing plate member, leaving the extending
Construct a straight rib along the extension direction of the part
Further, bent upward at the outside of the bottom frame long side, drilled with through holes for supporting the cover face frame in the vicinity of the tip that the bent, outwardly pivoting end of the cover face frame A bent pivot is provided, and the outer peripheral portions of the left and right side frames and the first fixing plate member are provided.
A hook with a hole between it is fixed to the auxiliary seat body,
Two types for hanging from the auxiliary seat body on the footrest part
Of one of the hanging frames
Hook shaped bent at the end to engage the first fixing plate member
A bent part is provided, and the other hanging frame tip has a second fixing
The projecting piece can be adhered to the surface of the plate member is provided, the pivot first
While inserted toward the inside through hole of one fixing plate member to the outside, while挾入the gap formed between the hook-shaped bent portion of the pivot and the bottom frame long side of one of the hanging frame First fixed
And the outer peripheral portions of the left and right side frames and the
At the position closest to one fixing member, the hook-shaped bending
A gap that allows only the tip of the part to be inserted is formed
After inserting the tip of the hook, insert the tip of the hook
It is inserted into the click hole of the second protruding piece of hanging frame other hand
A bicycle auxiliary seat characterized by being fixed in a state of being in close contact with a fixing plate member .

[0006]

[0007]

[0008]

[0009]

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In the present embodiment, as shown in FIG. 1, an opening / closing surface frame 2 is rotatably provided on an auxiliary seat body 1, and footrests 3, 4 are fixed while hanging down. The auxiliary seat body 1 includes fixing plate members 5 and 6.
Are integrally formed, and can be fixed by sandwiching a bed portion (not shown) of the bicycle with the plate members 7 and 8 similar to the fixing plate members 5 and 6. The holding at this time is performed by firmly fastening with bolts and nuts as shown.

Next, as shown in FIG. 2, a bottom frame 11 is provided in the auxiliary seat body 1 in a substantially rectangular shape so as to constitute a bottom surface of the auxiliary seat. Further, a front frame 12 is provided on one short side and a rear frame 13 is provided on the other short side, respectively.
Are provided with support portions 15 and 16 so that the handle portion 14 can be attached to the upper end thereof. This support 1
5 and 16 are configured to form side edges in common with the bottom frame 11 and the front frame 12, and are also connected to the rear frame 13 so as to be the center of the frame of the auxiliary seat body 1. I have. A left frame 17 and a right frame 18 are provided on the side edges of the bottom frame 11. These left and right side frames 17, 18
While being provided so as to be continuous with the rear frame 13,
The left and right side frames 1 of the side edges are separated from the front frame 12.
The portion without 7 and 18 serves as an open portion, and is a portion that can be opened and closed by the opening and closing surface frame 2. Fixing plate members 5 and 6 integrally formed with such an auxiliary seat body 1.
Are provided apart from the vicinity of the center of the bottom frame 11 and the position close to the front frame 12, and the fixing plate members 5, 6 have through holes 51 to 54, 6 through which bolts can pass, respectively.
1 to 64 are drilled. The fixing plate members 5 and 6 are welded to the inner surface of the net-shaped bottom frame 11 to be integral therewith, and the through holes 51 to 54 and 61 to 64 are formed so as to pass through the bottom frame 11. It is provided. In addition, the vicinity of both ends of the fixing plate member 5 near the center of the bottom frame 11 extends outward from the bottom frame 11 and
The extended portion is provided with a rib 59 for giving strength. The distal ends of the extending portions are bent upward to form support pieces 55 and 56. Through holes 57, 58 centered on the same straight line are formed in both support pieces 55, 56 so that the opening / closing surface frame 2 can be rotatably supported.

The structure of the opening / closing frame 2 will now be described. As shown in FIG. 3, the opening / closing surface frame 2 has a substantially parallelogram-shaped left / right opening / closing portion 2 having an area about the size of the opening.
The left and right opening / closing portions 2
The frames 1 and 22 are provided with the frame 23 in common. That is,
The left and right opening / closing portions 21 and 22 are configured to be integrated, so that the opening / closing state can be unified for the left and right. The frame 23 has both ends 24 and 25 bent outward symmetrically so that it can be inserted into the through holes 57 and 58 of the fixing plate member 5 of the auxiliary seat body 1. I have. Therefore, by inserting both ends 24 and 25 of the frame bone 23 into the through holes 57 and 58 of the fixing plate member 5, the open / close surface frame 2 is rotatably supported.

Next, the footrests 3 and 4 will be described with reference to FIG. Since the footrests 3 and 4 are provided symmetrically on the left and right sides of the auxiliary seat main body 1, the description will be made focusing on one footrest 3 as a center. First, the footrest portion 3 is provided with two hanging frames 31 and 32, and both of the hanging frames 31 and 32 are connected to the fixing plate members 5 and 6 to open the auxiliary seat body 1. It hangs down from the part. One of the two hanging frames 31, 32 has a tip bent in a hook shape, and a tip of the other frame 32 is connected to a projecting piece 33, and the projecting piece 33 The piece 33 is provided with a through hole 35 through which a bolt 34 can pass. The direction of the surface of the protruding piece 33 is adjusted so that the protruding piece 33 is bent from the vicinity of the front end of the frame 32 and can be in close contact with the surface of the fixing plate member 6. A support plate 36 is provided below the auxiliary seat body 1 for fastening the protruding piece 33 by such a bolt 34. The support plate 36 is provided with a screw hole 37 into which the bolt 34 can be screwed, so that the protruding piece 33 can be fixed to the surface of the fixing plate member 6. Because of the above structure, as shown in FIG. 5, the hook-shaped bent portion 38 obtained by bending the tip of one of the hanging frames 31 can be engaged with the fixing plate member 5. The hanging frame 31 can be hung from the fixing plate member 5. At this time, the distal end 39 of the hook-shaped bent portion 38 is inserted between the fixing plate member 5 and the outer peripheral portion 19 of the left side frame 17. Therefore, in general, when the other hanging frame 32 is fixed by the bolt 34, when the bolt 34 is loosened, the footrest portion 3 is allowed to rotate slightly about the fastening position by the bolt 34. As a result, it is expected that the hook-shaped bent portion 38 will be detached from the fixing plate member 5, but in this embodiment, the tip 39 of the hook-shaped bent portion 38 is The rotation cannot be performed because of contact with the outer peripheral portion 19, so that the footrest portion 3 can be prevented from falling off.

In this manner, the footrest 3 is fixed. As described above, the tip 24 of the frame 23 of the open / close surface frame 2 is inserted into the through hole 57 of the fixing plate member 5. Then, the tip 24 of the frame bone 23 comes off easily. Therefore, while maintaining the state where the tip end 24 of the frame bone 23 is inserted into the through hole 57 of the fixing plate member 5, the hanging down between the bent portion of the frame bone 23 and the support portion 15 of the bottom frame 11. By engaging the hook-shaped portion of the frame 31, the frame bone 2
3 can be prevented from coming off. That is, as shown in FIG. 5, the front end 2 of the frame bone 23 constituting the open / close surface frame 2 (FIG. 1).
4 and 25 penetrate through the support pieces 55 and 56 of the fixing plate member 5 from the inside of the auxiliary seat body 1 respectively.
By preventing the distal ends 24 and 25 from moving toward the inside of the auxiliary seat main body 1, the support state of the frame bone 23 is maintained. The hook-like tips of the hanging frames 31, 41 of the footrests 3, 4 can be fitted into the gaps between the support parts 15, 16 and the frame bone 23, so that even if an inward force acts on the frame bone 23, this Its movement is restricted by the hooked tip.

As described above, the opening / closing surface frame 2 is rotated, so that the auxiliary seat body 1 can be used as an auxiliary seat or a luggage basket. When the opening / closing surface frame 2 is on the rear frame 13 side, it is used as an auxiliary seat. Then, the child can put his / her feet toward the footrests 3 and 4 from the open portion, and the rear frame 13 functions as a backrest. When the opening / closing surface frame 2 closes the opening, it is used as a luggage basket, and the bottom frame 11, the front frame 1
2. The rear frame 13, the left and right frames 17, 18 and the opening / closing frame 2 all constitute one surface of the luggage basket.

[0016]

It is a matter of course that various embodiments can be adopted without departing from the spirit of the present invention. For example,
In the above embodiment, one of the hanging frames 31
When the hook-shaped bent portion 38 having the bent front end thereof is engaged with the fixing plate member 5, the front end 39 of the hook-shaped bent portion 38 is connected between the fixing plate member 5 and the outer peripheral portion 19 of the left frame 17. The gap between the fixing plate member 5 and the outer peripheral portion 19 was adjusted so as to be inserted therebetween, but as shown in FIGS. 7 and 8, the hook-shaped bent portion 138 was just formed on the lower surface of the bottom frame 111. A hook 190 having a hole into which the tip 139 can be inserted may be fixed.

In addition to the above, the shape of the left and right opening portions 21 and 22 constituting the opening and closing surface frame 2 has been described as a substantially parallelogram type, but is not limited to this shape. Although only the left and right opening / closing portions 21 and 22 are integrally formed by the common frame 23, the left and right opening / closing portions 21 and 22 may be separated. However, the frame bone 23 also has an effect of limiting the rotation range of the opening / closing surface frame 2, and when the left and right opening / closing portions 21 and 22 are separated, a member replacing the frame bone 23 is required. Becomes

[0018]

As described above, the present invention provides a substantially rectangular bottom frame, a front frame located on one short side of the bottom frame,
A rear frame positioned on the other short side of the bottom frame, a left and right frame having an opening between the front frame and left and right sides of the bottom frame ; A first fixing plate member suspended between the long sides, and a long side near the front frame of the bottom frame;
An auxiliary seat main body integrally provided with a second fixing plate member horizontally interposed therebetween has a symmetrical 2
Sheets of the cover face frame rotatably journaled, Oite from the open portion near the bicycle auxiliary seat made by hanging the footrest downward,
While extending both ends of the first fixing plate member from the long side of the bottom frame to the outside, this extended portion was extended along the extending direction.
A straight rib is formed, and furthermore, it is bent upward on the outside of the long side of the bottom frame , and a through hole for supporting the open / close surface frame is formed near the bent end, thereby turning the open / close surface frame. A pivot is provided on the moving side end, which is bent outward, and the outer peripheral portion of the left and right side frames is provided.
A hook having a hole between the first fixing plate member and the auxiliary seat
It is fixed to the main body, while the footrest is suspended from the auxiliary seat main body.
There are two types of hanging frames for lowering
The tip of one of the hanging frames is engaged with the first fixing plate member.
Hook-shaped bent part so that the other hanging frame
At the end of the program, a protruding piece that can adhere to the surface of the second fixing plate member
And the above-mentioned pivot is inserted into the through hole of the first fixing plate member from the inside to the outside, and the one hanging frame is
The hook-shaped bent portion is engaged with the first fixing plate member while being inserted into the gap formed between the pivot and the long side of the bottom frame.
The closest between the outer peripheral part of the right side frame and the first fixing member
At the position, a gap that allows only the tip of the hook-shaped bent part to be inserted is formed.
After inserting the tip of the hook-shaped bent portion, the hook-shaped bent portion
The distal end of the bending portion is inserted into the hole of the hook, the auxiliary bicycle, characterized by comprising solid-<br/> up a protruding piece of the hanging frame other hand in close contact with the second fixing plate member The seat is a gist, so when this bicycle auxiliary seat is used as an auxiliary seat or as a luggage basket, when the force acts on the open / close surface frame from inside to outside, The pivot of the opening / closing surface frame does not separate from the fixing plate member, and even when a force acts from the outside to the inside,
Since one of the hanging frames is inserted into the gap between the pivot and the long side of the bottom frame, detachment from the fixing plate member is suppressed. Also, the tip of the hook-shaped bent part is the outer peripheral part of the left and right side frame.
Contact with the protruding piece of the other hanging frame.
When the fixing to the second fixing member is loosened,
Rotation around this fixed part is impossible due to contact
It is possible to prevent the footrest from being detached. In addition, droop
The tip of the hook-shaped bent part of the
Of the other hanging hook by inserting
Rotation around the fixing plate member is suppressed, and
The other hanging frame is fixed to the second fixing plate while
This fixed part is used when the cushion
Since it is laid on a material, the fixed state does not change significantly,
Make sure the condition when assembled is very strong
it can.

[0019]

[0020]

[0021]

[0022]

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment.

FIG. 2 is a perspective view of an auxiliary seat body.

FIG. 3 is an explanatory diagram showing a relationship between an auxiliary seat body and an opening / closing surface frame.

FIG. 4 is an explanatory diagram showing a state of a hanging frame and left and right side frames.

FIG. 5 is an explanatory diagram showing a relationship between a fixing plate member and a footrest.

FIG. 6 is an explanatory diagram showing a relationship between an opening / closing surface frame and a footrest.

FIG. 7 is a perspective view of another embodiment.

FIG. 8 is an explanatory diagram showing a state of a hanging frame and a hook.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Auxiliary seat main body 2 Opening / closing surface frame 3,4 Foot rest portion 5,6 Fixing plate member 11 Bottom frame 12 Front frame 13 Rear frame 14 Handle portion 15,16 Supporting portion 17 Left frame 18 Right frame 21,22 Left / right opening / closing portion 23 Frame Bone 24, 24 Frame Bone Tip 31, 32 Hanging Frame 33 Projecting Piece 55, 56 Supporting Piece 57, 58 Through Hole

──────────────────────────────────────────────────続 き Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B62J 1/00 B62J 1/16 B62J 9/00

Claims (1)

(57) [Claims] 1. A substantially rectangular bottom frame, a front frame located on one short side of the bottom frame, a rear frame located on the other short side of the bottom frame, and left and right sides of the bottom frame. The left and right side frames having an opening between the front side frame and the bottom side frame
A first fixing plate member suspended between the long sides near the center ;
For the second fixing that is laid across the long side near the front frame of the bottom frame
Two left-right symmetrical open / close face frames capable of closing the open portion are rotatably supported on an auxiliary seat body integrally provided with a plate member, and a footrest portion is hung downward from near the open portion. Oite the bicycle auxiliary seat made by, causes extending outwardly from the long side across a bottom frame of the first fixing plate member, along a portion that has issued the extending the extending direction
A straight rib is formed, and furthermore, it is bent upward on the outside of the long side of the bottom frame , and a through hole for supporting the open / close surface frame is formed near the bent end, thereby turning the open / close surface frame. A pivot is provided on the moving side end, which is bent outward, and the outer peripheral portion of the left and right side frames is provided.
A hook having a hole between the first fixing plate member and the auxiliary seat
It is fixed to the main body, while the footrest is suspended from the auxiliary seat main body.
There are two types of hanging frames for lowering
The tip of one of the hanging frames is engaged with the first fixing plate member.
Hook-shaped bent part so that the other hanging frame
At the end of the program, a protruding piece that can adhere to the surface of the second fixing plate
And the above-mentioned pivot is inserted into the through hole of the first fixing plate member from the inside to the outside, and the one hanging frame is
The hook-shaped bent portion is engaged with the first fixing plate member while being inserted into the gap formed between the pivot and the long side of the bottom frame.
The closest between the outer peripheral part of the right side frame and the first fixing member
At the position, a gap that allows only the tip of the hook-shaped bent part to be inserted is formed.
After inserting the tip of the hook-shaped bent portion, the hook-shaped bent portion
The distal end of the bending portion is inserted into the hole of the hook, the auxiliary bicycle, characterized by comprising solid-<br/> up a protruding piece of the hanging frame other hand in close contact with the second fixing plate member seat.