CN1695970A

CN1695970A - Stop gear for fuel tank of vehicle

Info

Publication number: CN1695970A
Application number: CN 200510069070
Authority: CN
Inventors: 中山学
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2004-05-11
Filing date: 2005-05-10
Publication date: 2005-11-16
Anticipated expiration: 2025-05-10
Also published as: JP2005319960A; JP3959074B2; CN100357127C

Abstract

PROBLEM TO BE SOLVED: To provide a switching game apparatus which achieves even higher attractiveness and furthermore, accomplishes the earning of the higher spirit of achievements by requiring the high-level recognition and flexible reasoning capacity of the players to answer correctly as compared with the types having the progression, character strings and the like as game elements.

Description

The stop gear for fuel tank of vehicle

Technical field

The present invention relates to the stop gear for fuel tank of vehicle, described stop gear for fuel tank comprises adapter, fuel tank retaining door and elasticity part, above-mentioned adapter has fuel oil feeding port and is fixed on the vehicle body, but above-mentioned fuel tank retaining door freely openable ground pivot props up on adapter, and above-mentioned elasticity part is that the forced direction change-over point applies elastic acting force towards opening direction and closing direction to fuel tank retaining door with the center position between open position and the off position.

Background technology

Operation sense when opening and closing vehicle fuel tank retaining door in order to improve discloses the technology that elasticity part is flexibly contacted with guiding face on the arm that is formed on fuel tank retaining door in TOHKEMY 2004-9809 communique.When the locking of this fuel tank retaining door is disengaged, elastic force by elasticity part, this fuel tank retaining door is opened slightly from the contract fully position, then during fuel tank retaining door being opened to full open position of coupler with hand, before the center position that arrives between contract fully position and the full open position of coupler, the elastic force of elasticity part gives resistance sense, and after having crossed center position, the elastic force of elasticity part automatically makes it be opened to full open position of coupler.

But there are the following problems in the above-mentioned technology before, that is, when crossing center position, when the fuel tank retaining door of opening automatically by the elastic force of elasticity part arrived full open position of coupler, fuel tank retaining door produced impulsive sound with the stop block collision.In order to prevent this point, backstop rubber etc. is set absorb the parts that impact, like this, produce the problem of component number increase, the increase of assembly working amount, weight increase etc.

Summary of the invention

The present invention makes in view of the above problems, its objective is the special impact absorbing member that does not use backstop rubber such, and prevents that the fuel tank of opening by the elastic force of elasticity part from keeping off the impulsive sound that door produces at full open position of coupler.

To achieve these goals, the stop gear for fuel tank of the vehicle of technical scheme 1 record has: have fuel oil feeding port and be fixed on adapter on the vehicle body, but freely openable ground pivot props up the fuel tank retaining door on adapter, with the elasticity part that fuel tank retaining door is loaded towards the switching direction, wherein, elasticity part is that the forced direction change-over point applies elastic acting force towards opening direction and closing direction to fuel tank retaining door with the center position between open position and off position, it is characterized in that, also has buffer gear, this buffer gear makes fuel tank retaining door produce friction force when open position and between the adapter, reduces the opening speed of fuel tank retaining door with this.

In addition,

protuberance

12d, 16a among the embodiment are corresponding with buffer gear of the present invention, and the hinge spring 22 among the embodiment is corresponding with elasticity part of the present invention.

Structure according to technical scheme 1, fuel tank retaining door is opened to open position from off position, when the fuel tank retaining of having crossed a center position elastic force by elasticity part arrives open position, buffer gear makes and produces friction force between fuel tank retaining door and the adapter, the opening speed of fuel tank retaining door is reduced, so, needn't use the such special impact absorbing member of backstop rubber, just can prevent that fuel tank retaining door from producing impulsive sound at full open position of coupler.

Description of drawings

Fig. 1 is the block diagram of expression fuel tank retaining door open mode.

Fig. 2 is the 2-2 line cutaway view (state of opening of fuel tank retaining door) among Fig. 1.

Fig. 3 is and the cooresponding Action Specification figure of Fig. 2 (closed condition of fuel tank retaining door).

Fig. 4 is the 4-4 line cutaway view of Fig. 2.

Fig. 5 is the 5-5 line cutaway view of Fig. 3.

Fig. 6 is the Action Specification figure of hinge spring.

Fig. 7 is the diagram of curves that concerns between the loading force of the aperture of expression fuel tank retaining door and hinge spring.

The specific embodiment

Below, with reference to the description of drawings embodiments of the invention.

Fig. 1～Fig. 7 represents one embodiment of the invention, Fig. 1 is the block diagram of expression fuel tank retaining door open mode, Fig. 2 is the 2-2 line cutaway view (state of opening of fuel tank retaining door) among Fig. 1, Fig. 3 is and the cooresponding Action Specification figure of Fig. 2 (closed condition of fuel tank retaining door), Fig. 4 is the 4-4 line cutaway view of Fig. 2, Fig. 5 is the 5-5 line cutaway view of Fig. 3, and Fig. 6 is the Action Specification figure of hinge spring, and Fig. 7 is the diagram of curves that concerns between the loading force of the aperture of expression fuel tank retaining door and hinge spring.

As Fig. 1～shown in Figure 3, on the vehicle-body outer panel 11 of automobile, form circular opening, adapter 12 chimeric being fixed on this opening of cup-shaped.In the bottom of adapter 12, connecting the upper end fuel oil feeding port 13a of the fuel filling pipe 13 that links to each other with not shown fuel tank, fuel oil feeding port 13a is by removably lid 14 sealings.On adapter 12, formed the 1st recess 12a and the 2nd recess 12b that are positioned at the diametric(al) two ends, fixing an end of hinge arms 16 in the inside of discoideus fuel tank retaining door 15, the other end of hinge arms 16 is by on the link pin 17 pivot Zhi Zaidi 1 recess 12a.Hinge arms 16 forms the U font, like this, is opening (Fig. 2) and closes when swinging between the position of opening 12c of (Fig. 3) adapter 12 when fuel tank retaining door 15, and it can not disturb with opening 12c.

As Fig. 1～Fig. 3 and shown in Figure 5, in fuel tank retaining door 15 the insides and with the end of hinge arms 16 opposition sides, protrude be provided with the U font by Access Division 15a, the engaging pawl 18 that can advance and retreat is locked in off position by Access Division 15a clamping with fuel tank retaining door 15 with this.Engaging pawl 18 is loaded towards projected direction by not shown spring, simultaneously, resists the elastic force of above-mentioned spring with not shown rope, can make to engage pawl 18 and retreat.

Flexible synthetic resin system tether 19 has body 19a, be formed on the fixed part 19b of body 19a one end, be formed on the annulus 19c of the body 19a other end, from outstanding spherical of annulus 19c by Access Division 19d.Fixed part 19b is fixed on bolt 20 on the diapire of adapter 12, and annulus 19c is entrenched in the periphery of lid 14.The inside at fuel tank retaining door 15 is provided with clamping part 21, this clamping part 21 have can with tether 19 by the slit of Access Division 19d clamping.Lid 14 unloaded and from fuel oil feeding port 13a when fuel tank refuels, with only being stuck in by Access Division 19d on the relay part 21 of tether, this clamping part 21 is located on the fuel tank retaining door 15, like this, can prevent to forget cover lid 14 after finishing refueling.

As Fig. 2～Fig. 4, Fig. 6 and shown in Figure 7, from the position of link pin 17 distance alpha of the hinge arms 16 of fuel tank retaining door 15 and at the inner face of the 1st recess 12a of adapter 12, the the 1st, the 2nd connecting portion 22a, the 22b that are connecting the two ends of S font hinge spring 22,1st, the elastic part 22c between the 2nd connecting portion 22a, 22b produces convergent force and extending force, with this with fuel tank retaining door 15 towards evolution to loading with closing direction.

Fuel tank retaining door 15 has little open position and center position (dead point) between contract fully position and full open position of coupler, between contract fully position and full open position of coupler, the 1st connecting portion 22a of hinge spring 22 is that circular-arc moving done at the center with link pin 17, and hinge spring 22 is compressed and expansion is opened.Fuel tank retaining door 15 is when the little open position of opening slightly from the contract fully position, and hinge spring 22 is a free state, and its elastic force is 0.Then, between contract fully position and little open position, hinge spring 22 is expanded to be opened, its convergent force with fuel tank retaining door 15 towards evolution to loading.Between little open position and center position, hinge spring 22 is compressed, and its extending force loads fuel tank retaining door 15 towards closing direction.When center position, though hinge spring 22 is at utmost compressed, its extending force does not produce moments to fuel tank retaining door 15, so, with fuel tank retaining door towards closing direction and evolution to loading.Between center position and full open position of coupler, hinge spring 22 is compressed, its extending force with fuel tank retaining door 15 towards evolution to loading.

As Fig. 1～shown in Figure 4, on the top and bottom of hinge arms 16 pars intermedias, form

protuberance

16a, 16a, on the top and bottom of the 1st recess 12a of adapter 12,

form protuberance

12d, 12d, fuel tank retaining door 15 is when full open position of coupler, and protuberance 16a, the 16a of hinge arms 16 contacts with protuberance 12d, the 12d of adapter 12 and produce friction force.

Below, the effect of the embodiment with above-mentioned formation is described.

For fuel tank retaining door 15 is opened to full open position of coupler shown in Figure 2 from contract fully shown in Figure 3 position, the elastic force of the not shown spring of engaging pawl 18 opposings is retreated, disengaging is during by Access Division 15a, the hinge spring 22 of enlarged state produces the convergent force that returns free state, by this convergent force, hinge arms 16 is rotated around link pin 17 clockwise directions, swing that fuel tank retaining door 15 automatically (is seen long and two-short dash line Fig. 3) from full open position of coupler towards little open position.Like this, this fuel tank of having opened slightly retaining door 15 with finger pull, compress hinge spring 22 on one side, on one side fuel tank retaining door 15 is opened, fuel tank retaining door 15 is crossed the center position that hinge spring 22 is at utmost compressed, then, by the extending force of hinge spring 22, fuel tank retaining door 15 is automatically swung towards full open position of coupler.

When fuel tank retaining door 15 is about to arrive full open position of coupler, protuberance 16a, the 16a of hinge arms 16 contacts with protuberance 12d, the 12d of adapter 12 and produces friction force, like this, the opening speed of fuel tank retaining door 15 lowers, and can prevent the generation of the impulsive sound of fuel tank retaining door 15 when stopping at full open position of coupler.Like this, as long as on adapter 12, form

protuberance

12d, 12d, on the hinge arms 16 of fuel tank retaining door 15, form

protuberance

16a, 16a, needn't use the such special impact absorbing member of backstop rubber with this simple formation, just can prevent that fuel tank retaining door 15 from producing impulsive sound at full open position of coupler.

For fuel tank retaining door 15 is closed, when it is swung towards contract fully shown in Figure 3 position from full open position of coupler shown in Figure 2, during arriving center position from full open position of coupler, hinge spring 22 is compressed, when fuel tank retaining door 15 has been crossed center position, by the extending force of hinge spring 22, fuel tank retaining door 15 is automatically opened towards little open position, and stops at the little open position that hinge spring 22 becomes drift.When fuel tank retaining door 15 being loaded towards the contract fully position from this state, the inclined-plane 18a of engaging pawl 18 front ends being loaded of fuel tank retaining door 15 the insides by Access Division 15a, engaging pawl 18 was once retreating earlier and was readvancing, and was engaged by Access Division 15a, and fuel tank retaining door 15 is locked in the contract fully position.

Like this, when fuel tank retaining door 15 is locked in the contract fully position, the body 19a of tether 19 be clipped in fuel tank retaining door 15 the insides by the bottom of the 1st recess 12a of Access Division 15a and adapter 12 between, may hinder locking, become wedge-like being done point by the leading section 15b of Access Division 15a, as shown in Figure 5, the body 19a that it pushes tether open can prevent that above-mentioned body 19a is clipped between the two above-mentioned.

Embodiments of the invention have been described above, in the scope that does not break away from main idea of the present invention, can have carried out various design modifications.

For example, in the foregoing description, be on adapter 12, to have formed

protuberance

12a, 12b, and on the hinge arms 16 of fuel tank retaining door 15, formed

protuberance

16a, 16a, also can be only therein a side go up the formation protuberance.

In addition, can on the hinge arms 16 of fuel tank retaining door 15, not form

protuberance

16a, 16a yet, but on fuel tank retaining door 15, form protuberance.

Claims

1. the stop gear for fuel tank of a vehicle, it has: have oil filling port (13a) and be fixed on adapter (12) on the vehicle body, but freely openable ground pivot props up the fuel tank retaining door (15) on adapter (12), with the elasticity part (22) that fuel tank retaining door (15) is applied elastic acting force towards the switching direction, wherein, elasticity part (22) is that the forced direction change-over point applies elastic acting force towards opening direction and closing direction to fuel tank retaining door (15) with the center position between open position and off position, it is characterized in that, also has buffer gear (12d, 16a), this buffer gear makes fuel tank retaining door (15) produce friction force when open position and between the adapter (12), reduces the opening speed of fuel tank retaining door (15) thus.