JP4786815B2 - Bicycle auxiliary seat mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an auxiliary seat mounting structure that is mounted on a bicycle carrier.
[0002]
[Prior art]
FIG. 1 shows a conventional example of an auxiliary seat attached to a rear cargo bed of a bicycle. FIG. 2 shows a commonly used loading platform. The auxiliary seat 2 of the conventional example is composed of a seat portion 2a, a backrest portion 2b, left and right armrest portions 2c, left and right footrest portions 2d, a handle portion 2e, and a mounting plate 2f, and a lower portion of a molded frame constituting the loading platform 1 The mounting plate 2f is applied to the auxiliary seat 2, and the auxiliary seat 2 is placed on the loading platform 1 and fixed by screwing from above or below.
[0003]
[Problems to be solved by the invention]
Since the conventional auxiliary seat is fixed to the loading platform by mounting plates and screws, it is not easy to remove this auxiliary seat when it is not used or when the loading platform is used for other purposes. The installation was also troublesome as well.
[0004]
The present invention solves these inconveniences, and has an auxiliary seat mounting structure that can firmly fix an auxiliary seat without impairing safety and can easily attach and detach the auxiliary seat without attaching a mounting tool to the cargo bed. The purpose is to provide.
[0005]
[Means for Solving the Problems]
The structural features and operational effects of the invention of claim 1 will be described. The invention of claim 1 is an attachment structure for freely attaching and detaching an auxiliary seat to a bicycle carrier, and at least one of the first and second frame parts of the carrier at the lower front portion of the auxiliary seat. And having at least one second connecting means connected to at least one second frame portion of the cargo bed at the lower part of the auxiliary seat and having the first connecting means. In the lower front part of the auxiliary seat, the means is movable around the horizontal axis along the mounting surface and is urged by an urging portion such as a spring, and the tip is attached to the first frame portion of the loading platform. The second connecting means has a structure that is inserted into the second frame portion of the loading platform in a direction against the action of the restoring force of the first connecting means. And the second connection means is inserted into the second frame portion of the loading platform, and then the first connection is caused against the urging portion. By hooked to the first frame portion of the loading platform the engaging portion of the distal end of the stage, is characterized by securing the auxiliary seat.
[0006]
According to the configuration of the invention of claim 1, there is an effect that the auxiliary seat can be freely attached to and detached from the bicycle carrier. In addition, since the fixtures (the first coupling means and the second coupling means) are attached to the auxiliary seat side (there is no need to attach the fixture to the loading platform), even after the auxiliary seat is removed. There is an effect that the loading platform can be freely used for other purposes. Still further, it is a steel carrier that receives the hook of the biased first connecting means that is released vigorously, and the auxiliary seat is strong enough to attach and fix the first connecting means. The auxiliary seat may be made of resin.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention (hereinafter referred to as “examples”) will be described with reference to the drawings.
[0008]
Example 1 will be described with reference to FIGS. 2, 3, 4 and 5. FIG. In the first embodiment of the present invention (Claim 1) shown in FIG. 3, the loading platform 1 does not have a fixture (connecting means) such as the conventional mounting plate 2f, and the first connection shown in detail in FIG. The means is attached to the lower front portion of the auxiliary seat 12, and the second connecting means shown in detail in FIG. 5 is attached to the center of the bottom surface of the auxiliary seat 12.
[0009]
The movable frame 13b, which is a component of the first connecting means 13, is movable in the rotational direction about a left and right support shaft 13d, and its tip is 90 to hook the front left and right frame center 1a3 of the loading platform. The hook portion 13c has a bent shape. Energizing portions (springs) 13a are attached to the left and right support shafts 13d, respectively, so that a restoring force acts in the direction in which the movable frame 13b and the auxiliary seat 12 are attracted. The movable frame 13b is configured such that the left and right support shafts 13d are fitted into the support holes 13g on the surfaces of the mounting plates 13e that are bent at right angles with respect to the support shafts 13d. Installed. The attachment plate 13e is attached to the lower part of the front surface of the auxiliary seat by screwing (13f).
[0010]
The second connecting means 14 is inserted into the rear left / right frame 1b of the loading platform or the outer frame rear portion 1c3 of the loading platform to prevent the auxiliary seat 12 from moving forward against the restoring force of the biasing means 13a. is there. (A) of FIG. 5 is an example (14a) inserted into the outer frame rear portion 1c3 of the loading platform, and (b) is another example (14b1, 14b2) inserted into the rear left and right frame left and right portions 1b1, 1b2 of the loading platform. .
[0011]
The procedure for attaching the auxiliary seat 12 is as follows. The second connecting means 14 at the center of the bottom surface of the auxiliary seat 12 is inserted into the rear left / right frame left portion 1b1 and the rear left / right frame right portion 1b2 (or the rear frame rear portion 1c3) of the load platform, so After placing, the movable frame 13b of the first connecting means 13 at the lower front of the auxiliary seat 12 is sufficiently raised against the restoring force of the urging portion 13a with the support shaft 13d as an axis, and the direction of the restoring force The hook portion 13c at the tip is hooked on the front left and right frame center portion 1a3 of the loading platform while returning slightly. At this time, the restoring force of the urging portion acts so that the movable frame 13b and the auxiliary seat 12 are attracted (in other words, the auxiliary seat 12 is pulled forward). However, the movement is blocked by the second connecting means 14 at the center of the bottom surface of the auxiliary seat 12, and the auxiliary seat is firmly fixed.
[0012]
There are two second connecting means 14b in FIG. 5 (b), and they are inserted into the left and right rear frame left parts 1b1 and right part 1b2. By inserting in the left and right two places, the auxiliary seat 12 can be prevented from shaking in the lateral direction and can be fixed more stably.
[0013]
【The invention's effect】
If the bicycle auxiliary seat mounting structure according to the present invention is used, the auxiliary seat can be easily attached and detached without attaching a mounting tool to the cargo bed side without impairing the safety of the auxiliary seat mounting. It can be easily switched to the intended use.
[Brief description of the drawings]
FIG. 1 shows a conventional example of an auxiliary seat attached to a rear loading platform of a bicycle.
FIG. 2 shows a loading platform generally used for bicycles.
FIG. 3 shows a first embodiment of a bicycle auxiliary seat mounting structure according to the present invention.
FIG. 4 shows details of the first connecting means of the first embodiment.
FIG. 5 shows an example of second connecting means of the first embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 (Conventional) Loading platform 1a Front left and right frame 1a3 Front left and right frame center 1b of loading platform Rear left and right frame 1b1 Rear left and right frame left 1b2 of loading platform Rear left and right frame right portion 1b3 Rear left and right frame center of loading platform Part 1c Cargo frame outer frame 1c1 Cargo carrier outer frame left part 1c2 Cargo carrier outer frame right part 1c3 Cargo carrier outer frame rear part 1d Cargo carrier inner frame 2 (conventional example) Auxiliary seat 2a Seat part 2b Backrest part 2c Left and right armrest part 2d Left and right footrest part 2e Handle part 2f Mounting plate 12 Auxiliary seat 13 (of Example 1) First connecting means 13a Biasing part (spring)
13b Movable frame 13c Hook 13d Support shaft 13e Mounting plate 13f Screw 13g Support hole 14 Second connecting means 14a Second connecting means (Example 1)
14b1 2nd left side connection means (example 2)
14b2 Second right side coupling means (example 2)

Claims (1)

An attachment structure for freely attaching / detaching an auxiliary seat to / from a bicycle carrier, and having at least one first connecting means connected to at least one first frame portion of the carrier at a lower front portion of the auxiliary seat. And at least one second connecting means connected to at least one second frame portion of the loading platform at a lower portion of the auxiliary seat, wherein the first connecting means is located in front of the auxiliary seat. In the lower part, a structure that is movable about a horizontal axis along the mounting surface and is hooked by a first frame portion of the cargo bed in a state of being biased by a biasing portion such as a spring. And the second connecting means has a structure inserted into the second frame portion of the loading platform in a direction against the action of the restoring force of the first connecting means, and the second connecting means Is inserted into the second frame portion of the loading platform, and then hooked at the front end of the first connecting means raised against the urging portion By hooked to the first frame portion of the loading platform, the auxiliary seat mounting structure of the bicycle, characterized in that to secure the auxiliary seat.

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