CN203401969U

CN203401969U - Pedal mechanism

Info

Publication number: CN203401969U
Application number: CN201320526603.6U
Authority: CN
Inventors: 张雷博
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2013-08-27
Filing date: 2013-08-27
Publication date: 2014-01-22
Anticipated expiration: 2023-08-27

Abstract

The utility model provides a pedal mechanism. The pedal mechanism comprises a pedal body, a pedal and a return spring, wherein the pedal is connected with the pedal body through a connecting shaft, one end of the return spring is hung on a pedal support which is fixedly connected to one end of the pedal body, and the other end of the return spring is connected with a hinge pin which is arranged on the pedal. The pedal mechanism is characterized in that two states of boost and return can be compatible at the same time, one state is selected according to using requirements, the two states can be mutually switched under the condition that the pedal mechanism is unchanged, and therefore cost is lowered, and maximum generality of products can be guaranteed.

Description

A kind of pedal gear

Technical field

The utility model relates to a kind of pedal gear, relates in particular to a kind of pedal gear that can switch servomechanism and debooster's state.

Background technology

Pedal gear, as one of important actuation member of car load, has irreplaceable function.The radical function of pedal gear is for controlling the separated gearshift of car brakeing and clutch.

Pedal gear can be divided into integral type by structure at present: clutch pedal, brake pedal are combined into parts and compound type: clutch pedal, brake pedal are respectively two different parts.Wherein, clutch pedal is divided into again boosting mechanism and return structure.In existing vehicle, because clutch pedal of space constraint can only have a kind of state, be boosting mechanism or return structure, two kinds of structures also do not have simultaneous, later stage if desired changes boosting mechanism into return structure, need to redesign pedal, in like manner, return changes power-assisted into also to be needed to redesign.Clutch pedal boosting mechanism: power assistant spring, after crossing flex point, is done negative work to pedal, can to a certain degree reduce treadle effort, but be unfavorable for pedal return, if power-assisted is too large, pedal return, fit well sense all can variation.Clutch pedal return mechanism: pull back spring does not have flex point, in pedal travel process, spring is done positive work, increases treadle effort, and the relative power-assisted of pedal can be heavier, but return, fit well sense better.

Below in conjunction with accompanying drawing, two of prior art kinds of engaging and disengaging gear are analyzed.Referring to Fig. 1, it is the schematic diagram of servomechanism in the utility model prior art.As shown in Figure 1, pedal 1 conter clockwise motion, during motion, pedal 1 rotates around point 2 with spring 5 contact points 3, spring fitting point 4 is attachment point with center of gyration point 2, when contact point 3 move to a little 4 and the line of point 2 on time, spring assist is 0N, and the position of this time point 3 is called power-assisted transformation point, also can be called flex point.Before this transformation point, spring is done positive work, and the power that spring increases pedal is reduced to 0N gradually by 10N, and after transformation point, spring is done negative work, and the power that spring reduces pedal rises to 30N gradually by 0N.When pedal returns, in like manner.

Referring to Fig. 2, it is the schematic diagram of return mechanism in the utility model prior art.As shown in Figure 2, pedal 1 conter clockwise motion, the contact point 5 of spring and pedal is around centre of gration 2 rotations, and spring attachment point 4 and centre of gration 2 are attachment point.Pedal 1 conter clockwise motion, spring is done positive work to pedal, during pedal backhaul, in like manner.

In Practical Project, generally for different demands, select power-assisted or return, but sometimes have such problem, need in the situation that not changing pedal structure, between power-assisted and return, can switch mutually, guarantee the universal of pedal body.Known from the above description, existing pedal does not possess the Design Mode that power-assisted and return switch mutually, if will become return from power-assisted, pedal gear must be developed again, but cost of development is high, and the cycle is long, and product is universal poor simultaneously.

Utility model content

In order to overcome the above problems, the utility model has designed a kind of pedal gear, its feature is compatible power-assisted and return two states simultaneously, according to using, need selection wherein a kind of, also can guarantee that pedal gear is constant in the situation that, two states switches mutually, both reduces costs like this, can guarantee that again product maximizes use.

In order to reach above object, the utility model provides a kind of pedal gear, comprise pedal body and the pedal being connected by adapter shaft with pedal body, also comprise pull back spring, this pull back spring one end is suspended on the pedal support that is fixedly connected on pedal body one end, and the other end is connected with the bearing pin being arranged on pedal.

As further optimization of the present utility model, described pedal gear also comprises power assistant spring, and power assistant spring one end is flexibly connected with the connecting panel that is fixedly connected on pedal upper end, and the other end is fixedly connected with pedal body.

As further optimization of the present utility model, described pull back spring is extension coil spring.

As further optimization of the present utility model, described power assistant spring is torque spring.

As further optimization of the present utility model, the end of described adapter shaft arranges the sleeve pipe of fixing this adapter shaft.

The advantage that the utility model has compared to prior art is, pedal gear of the present utility model is compatible power-assisted and return two states simultaneously, according to using, need selection wherein a kind of, also can guarantee that pedal gear is constant in the situation that, two states switches mutually, both reduced costs like this, can guarantee again that product maximized general.

Accompanying drawing explanation

Fig. 1 is the structural representation of servomechanism in prior art;

Fig. 2 is the structural representation of return mechanism in prior art;

Fig. 3 is the front view of pedal gear in the utility model;

Fig. 4 is the back view of pedal gear in the utility model.

The specific embodiment

Below, by exemplary embodiment, the utility model is specifically described.Yet should be appreciated that element, structure and the feature in an embodiment also can be attached in other embodiments valuably in the situation that further not narrating.

Referring to Fig. 3, it is the front view of pedal gear in the utility model.As shown in Figure 3, this pedal gear comprises pedal body 10 and the pedal 11 being connected by adapter shaft 18 with pedal body 10, and wherein the end of this adapter shaft 18 arranges sleeve pipe 14, to fix this adapter shaft 18; In one end of pedal body 10, be fixedly connected with pedal support 15, be used for hanging pull back spring 13, wherein this pull back spring 13 is extension coil spring; These pedal 11 upper ends are fixedly connected with connecting panel 6, and connecting panel 6 is flexibly connected with the power assistant spring 12 being fixedly connected on pedal body 10, and wherein, this power assistant spring 12 is torque spring; Bearing pin 16 is separately also installed on pedal 11.Referring to Fig. 4, be the back view of pedal gear in the utility model, above-mentioned bearing pin 16 is connected with the pull back spring 13 being connected on running-board bracket 15.

In order to further describe specific embodiment of the utility model, below in conjunction with accompanying drawing, the power-assisted process of the utility model pedal gear and return process are described in detail.As shown in Figure 3, when pedal 11 conter clockwise work, the point of connection of connecting panel 6 and power assistant spring 12 with pedal around adapter shaft 18 left-hand revolutions, spring-compressed now, the center-point of power assistant spring 12 is around fixed contact point 7 clickwises simultaneously, the point of connection of connecting panel 6 and power assistant spring 12 is when critical line 17 region, upper left side, the moment that pedal 11 is subject to spring is contrary with sense of motion, treadle effort increases, when the point of connection of connecting panel 6 and power assistant spring 12 is on critical line 3, the suffered spring torque of pedal is 0N, when the point of connection of connecting panel 6 and power assistant spring 12 is during in critical line 3 region, lower right, the moment that power assistant spring 12 produces is identical with pedal travel direction, reduce treadle effort, play power-assisted effect.During pedal backhaul, in like manner.

By reference to the accompanying drawings 4, further illustrate return process.Bearing pin 18 is pedal centre of gration, and pull back spring 13 one end are fixed on (8 is contact point) on pedal support 15, and one end is fixed on the bearing pin 16 of pedal arm, and bearing pin 16 can move with pedal arm.During pedal 11 conter clockwise work, the bearing pin 16 on pull back spring 13 is with pedal arm left-hand revolution, and pull back spring 13 stretches, and the power that pull back spring 13 produces passes to pedal 11 by bearing pin 16, thereby plays the effect of pedal return.During pedal backhaul, in like manner.

Be appreciated that the utility model is described by some embodiment, those skilled in the art know, in the situation that not departing from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material and can not depart from spirit and scope of the present utility model these features and embodiment.Therefore, the utility model is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs in the scope that the utility model protects.

Claims

1. a pedal gear, comprise pedal body (10) and the pedal (11) being connected by adapter shaft (18) with pedal body (10), it is characterized in that, also comprise pull back spring (13), this pull back spring (13) one end is suspended on the pedal support (15) that is fixedly connected on pedal body (10) one end, and the other end is connected with the bearing pin (16) being arranged on pedal (11).

2. pedal gear according to claim 1, it is characterized in that, described pedal gear also comprises power assistant spring (12), and power assistant spring (12) one end is flexibly connected with the connecting panel (6) that is fixedly connected on pedal (11) upper end, and the other end is fixedly connected with pedal body (10).

3. pedal gear according to claim 1, is characterized in that, described pull back spring (13) is extension coil spring.

4. pedal gear according to claim 2, is characterized in that, described power assistant spring (12) is torque spring.

5. pedal gear according to claim 1, is characterized in that, the end of described adapter shaft (18) arranges the sleeve pipe (14) of fixing this adapter shaft (18).