CN202038414U

CN202038414U - Steering returning device

Info

Publication number: CN202038414U
Application number: CN2011200775308U
Authority: CN
Inventors: 廖学湖
Original assignee: HL CORP (SHEN ZHEN)
Current assignee: HL CORP (SHEN ZHEN)
Priority date: 2011-03-19
Filing date: 2011-03-19
Publication date: 2011-11-16
Anticipated expiration: 2021-03-19

Abstract

The utility model relates to a steering returning device, in particular to a steering returning device which can realize limiting and automatic returning for steering. The steering returning device is mainly arranged on a vehicle body with a steering function; and an elastic stopping group is arranged between a main frame pipe of the vehicle body and a front fork group of a steering wheel. Due to the design, the rotation angle of the front fork group can be limited under the action of the elastic stopping group during steering operation of a user, and pre-stress for returning to an original position is generated; and when the user releases, the front fork group can be used for driving the steering wheel to return quickly, so that the riding steering operation safety can be enhanced. The steering returning device has a simple structure and low manufacturing cost, and is convenient to maintain and replace.

Description

Turn to returning device

[technical field]

The utility model relates to a kind of returning device that turns to, and is mainly used in the technical field that turns to of car body.

[background technology]

The vehicle that existing M/C turns to has a variety of, as bicycle, three-wheel vehicle, perambulator, Kickboard Scooter or the like, the usefulness that wherein general three-wheel vehicle and perambulator mainly provide the child to learn and play, because this class vehicle is specialized in the child and is used, therefore in design based on easy, usually can drive steering front wheel via the front fork group and rotate freely so be used to control the handle that turns on its body frame pipe, but front-wheel can rotate freely in operation and has great problem; At first because handle is unrestricted when turning to, add the child disconnected declare the power deficiency and strength limited, therefore it causes the excessive problem that turns to most probably, after in fact its handle Two side turns to and surpasses 90 degree, does not almost have effect, and can't operate smoothly, even may thereby cause danger; Secondly, hold as described above, because of child's the disconnected power of declaring and strength deficiency, therefore after turning to, the child is difficult to go back to handle, makes it can't carry out follow-up operation smoothly, and it equally can cause inconvenience when driving and dangerous.In other words, the steering structure of existing vehicle designs, and can't satisfy the demand of actual use, and necessity of further improvement is arranged.

[utility model content]

Technical problem to be solved in the utility model is: a kind of safe and reliable returning device that turns to is provided, overcome excessive in the prior art because of rotating, strength is not enough and stable puzzlement that is caused inadequately and inconvenience.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of returning device that turns to is provided, it is located at the wheel flutter of a car body, and the vehicle frame of this car body has a body frame pipe, and body frame pipe front end is pivoted with one and can operates front fork group and the handle that wheel body turns to; This turns to the online elasticity that is provided with in the center of returning device between body frame pipe and front fork group to place restrictions on group, but and elasticity place restrictions on the adaptability to changes that group has reinstatement after the distortion; Make the front fork group can be subjected to elasticity to place restrictions on the relative body frame pipe of group effect like this and produce effect spacing and return.

Preferably, this elasticity is placed restrictions on the combination that group is selected from a rubber ring and a nylon cloth.

Preferably, this elasticity is placed restrictions on the formation that group is selected from an extension spring.

Preferably, this elasticity is placed restrictions on the formation that group is selected from a film.

Preferably, this elasticity Two end of placing restrictions on group utilizes a lock-connecting piece to be located at the central authorities of body frame pipe and the corresponding periphery of front fork group respectively.

Preferably, this lock-connecting piece of being located at body frame pipe root edge central authorities is selected from bolt, and it also is formed with a cooresponding screw in body frame pipe root edge, but makes the lock-connecting piece spiral shell of bolt shape be located at body frame pipe root edge.

Preferably, this lock-connecting piece of being located at front fork group opposite side edges central authorities is selected from the pin rod that is welded in the front fork group.

The beneficial effects of the utility model are: produce effect spacing and return by making the front fork group can be subjected to elasticity to place restrictions on the relative body frame pipe of group effect, allow the user when steering operation, its steering angle can be subjected to elasticity to place restrictions on the group effect and produce limit effect, and when turning to, produce the pre-power of replying, so when turning to strength to discharge, return rapidly, convenience when driving steering operation and safety with increase, and this creation is simple in structure, low cost of manufacture, more can be convenient to simultaneously maintenance and change, so can increase the value added of product, and can improve its economic benefit.

Below in conjunction with accompanying drawing the utility model is described in further detail.

[description of drawings]

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model first embodiment.

Fig. 2 is the schematic appearance of the utility model first embodiment.

Schematic top plan view when Fig. 3 is the utility model first embodiment handling maneuver.

Elevational schematic view when Fig. 4 is the utility model first embodiment handling maneuver.

Fig. 5 is the schematic appearance of the utility model second embodiment.

Fig. 6 is the schematic appearance of the utility model the 3rd embodiment.

[specific embodiment]

For further detailed the utility model is described,, be described as follows below in conjunction with drawings and Examples:

As shown in Figure 1, car body with general front-wheel steering is an example, the vehicle frame of this car body (is the Regular Bicycle vehicle frame, complete vehicle frame not shown in the figures) has a body frame pipe 10, and body frame pipe 10 front ends have a vertical tube 15, be pivoted with a front fork group 20 that protrudes out on this vertical tube 15 downwards, 20 of front fork groups are provided with a wheel body, be pivoted with a handle 25 that can drive 20 rotations of front fork group synchronously again in the vertical tube 15, allowing the user and drive wheel bodys by front fork group 20 through operating handle 25 turns to, the above constitutes general body construction, in conjunction with shown in Figure 2, this turn to returning device in the center of 20 of aforementioned body frame pipe 10 and front fork groups the online elasticity that is provided with place restrictions on group 3, but elasticity is placed restrictions on the adaptability to changes that group 3 has reinstatement after the distortion, this can be selected from the combination (as depicted in figs. 1 and 2) of a rubber ring 35 and a nylon cloth 36, one extension spring 45 (as shown in Figure 5) or a film 55 (as shown in Figure 6), and the Two end that this elasticity is placed restrictions on group 3 utilizes a lock-connecting piece (31 respectively, 32) be located at the central authorities of body frame pipe 10 and front fork group 20 corresponding peripheries, it is optional from being welded in the pin rod of body frame pipe 10 or bolt that spiral shell is established etc. wherein to be located at the lock-connecting piece 31 of body frame pipe 10 root edge central authorities, the lock-connecting piece 31 of this creation body frame pipe 10 is a main embodiment with the bolt, it also is formed with a cooresponding screw 310 in body frame pipe 10 root edges, but make lock-connecting piece 31 spiral shells of bolt shape be located at body frame pipe 10 root edges, and elasticity is placed restrictions on group 3 other ends, and to be located at 32 of the lock-connecting pieces of front fork group 20 opposite side edges central authorities optional from being welded in the pin rod of front fork group 20 or bolt that spiral shell is established etc., the lock-connecting piece 32 of this creation front fork group 20 is a main embodiment with the pin rod of solid welding, make the lock-connecting piece 32 of pin rod shape can be fixedly arranged on front fork group 20 lateral margins, make elasticity place restrictions on group 3 and can produce effect spacing and return in

body frame pipe

10 and 20 of front fork groups, so promptly group formation one is simple in structure, and the person that turns to the returning device who for ease of maintenaince changes.

See through above-mentioned design, this is created when reality is used, as Fig. 2, Fig. 3 and shown in Figure 4, in the operation, when the user turns to through handle 25 driving front fork groups 20 drive wheel bodys, because body frame pipe 10 is provided with front fork group 20 and turns to returning device, so the rubber ring 35 that front fork group 20 can be subjected to elasticity to place restrictions on group 3 acts on (or as Fig. 5 extension spring 45 with nylon cloth 36, again or as Fig. 6 film 55), the steering angle of front fork group 20 is restricted, the problem of unlikely generation oversteer, and rubber ring 35 (or extension spring 45 or film 55) turn to stressed in and produce to reply pre-power, therefore after the strength that user's releasing operation turns to, the effect that front fork group 20 can be replied by rubber ring 35 (or extension spring 45 or film 55), and rapid return, the convenience of enhancement subsequent operation; Therefore, the returning device that turns to of this creation can make steering operation be restricted, and unlikely ovdersteering, promoting the validity and the safety of steering operation, and can be after turning to strength to discharge, but self-return, and then the convenience of lifting operation, simultaneously because the single-piece structure is very simple, low cost of manufacture not only, and be convenient to maintenance and change.

Claims

1. one kind turns to returning device, it is characterized in that: it is located at the wheel flutter of a car body, and the vehicle frame of this car body has a body frame pipe, and body frame pipe front end is pivoted with one and can operates front fork group and the handle that wheel body turns to; This turns to the online elasticity that is provided with in the center of returning device between body frame pipe and front fork group to place restrictions on group, but and elasticity place restrictions on the adaptability to changes that group has reinstatement after the distortion; Make the front fork group can be subjected to elasticity to place restrictions on the relative body frame pipe of group effect like this and produce effect spacing and return.

2. the returning device that turns to as claimed in claim 1 is characterized in that: this elasticity is placed restrictions on the combination that group is selected from a rubber ring and a nylon cloth.

3. the returning device that turns to as claimed in claim 1 is characterized in that: this elasticity is placed restrictions on the formation that group is selected from an extension spring.

4. the returning device that turns to as claimed in claim 1 is characterized in that: this elasticity is placed restrictions on the formation that group is selected from a film.

5. as claim 1,2, the 3 or 4 described returning devices that turn to, it is characterized in that: the Two end that this elasticity is placed restrictions on group utilizes a lock-connecting piece to be located at the central authorities of body frame pipe and the corresponding periphery of front fork group respectively.

6. the returning device that turns to as claimed in claim 5 is characterized in that: this lock-connecting piece of being located at body frame pipe root edge central authorities is selected from bolt, and it also is formed with a cooresponding screw in body frame pipe root edge, but makes the lock-connecting piece spiral shell of bolt shape be located at body frame pipe root edge.

7. the returning device that turns to as claimed in claim 5 is characterized in that: this lock-connecting piece of being located at front fork group opposite side edges central authorities is selected from the pin rod that is welded in the front fork group.