CN202806383U

CN202806383U - Clutch pedal assembly

Info

Publication number: CN202806383U
Application number: CN 201220411119
Authority: CN
Inventors: 唐俊; 马勇; 吕孟理
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2012-08-17
Filing date: 2012-08-17
Publication date: 2013-03-20
Anticipated expiration: 2022-08-17

Abstract

The utility model provides a clutch pedal assembly. The clutch pedal assembly comprises a pedal arm, a pedal support, a top-located switch, a bottom-located switch, a top-located switch contact and a bottom-located switch contact, wherein the pedal arm is connected with the pedal support in a pivot mode, the top-located switch contact and the bottom-located switch contact are arranged on the pedal arm, the top-located switch and the bottom-located switch are arranged on the pedal support, and the bottom-located switch contact is a double-passage switch. When the pedal arm is in the highest position, the top-located switch contact contacts the top-located switch. When the pedal arm moves downwards by 85%-95% of the whole travel, the bottom-located switch contact contacts the bottom-located switch. The clutch pedal assembly is capable of accurately transmitting the travel position of the clutch pedal to an electronic control unit (ECU) and the like.

Description

A kind of clutch pedal assembly

Technical field

The utility model relates to a kind of clutch pedal assembly.

Background technology

Along with the continuous innovation of automotive technology, require more energy-conservation, the more environmental protection of automobile, start stop system namely is a technology that produces for reducing oil consumption, also can be described as a function of automobile belt.

Start stop system allows chaufeur exactly when waiting for red light, the chaufeur ramp to stop, and the current parking intention of chaufeur, auto shut down are judged by system.After the red light, chaufeur is stepped on clutch, and the driving engine automatic ignition is put into gear and can be advanced, and utilizes the minimizing time of idle running to reduce oil consumption.

On the one hand, realize the start and stop function, automobile ECU must accurately obtain the mode of operation of power-transfer clutch, i.e. the travel position of pedal of clutch, and this just need to install the signal source that the clutch position signal accurately is provided additional for pedal of clutch.On the other hand, because pedal of clutch will often move, the dynamics of generally trampling during action is larger, and the reduce pedal that also needs to take measures produces infringement to signal source.

The utility model content

The purpose of this utility model is to provide a kind of clutch pedal assembly that the travel position of pedal of clutch accurately can be passed to the parts such as ECU, and will reduce pedal to the damage of the signal source in the assembly.

For achieving the above object, embodiment of the present utility model provides following technical scheme:

A kind of clutch pedal assembly comprises:

Pedal arm;

Pedal support;

The overhead switch;

Switch is put at the end;

Overhead switch contact;

The switch contact is put at the end;

Described pedal arm and described pedal support pivotal joint, put the switch contact and be installed on the described pedal arm at described overhead switch contact and the described end, put switch and be installed on the described pedal support at described overhead switch and the described end, it is two channel switch that switch is put at the described end, described overhead switch contact contacts with described overhead switch when described pedal arm is in the extreme higher position, and put the switch contact and puts switch with the described end and contact at the described end when described pedal arm comes downwards to total kilometrage 85%-95%.

Selectively, on the described pedal support lower limit support is installed also.

Selectively, described lower limit support is put the mounting bracket of switch simultaneously as the described end.

Selectively, described lower limit support is equipped with cushion rubber with the position that described pedal arm contacts.

Selectively, when described pedal arm came downwards to extreme lower position and is pressed on the described lower limit support, put switch and have safe clearance δ at the end.

Selectively, the scope of described safe clearance is 1mm≤δ≤2mm.

Selectively, switch contact and described pedal arm employing buckle-type mounting means are put in described overhead switch contact and/or the described end.

Selectively, put on the switch contact cushion rubber be installed at the described end.

Switch is put as signal source in overhead switch, the end, can provide the clutch pedal position signal to ECU, and to put switch be two channel switch at the end, can provide signal for soft and hardware, and position judgment is more accurate.

Owing to there is the lower limit support, guarantee can not put switch generation strong collision the end of with after pedal of clutch is operated, protected signal source.

Further, owing to there is cushion rubber, reduced the bump between each contact position.

Further, reserve safe clearance owing to putting switch the end of for, can not be forced into the end so that switch is put at the end, damaged inner structure.

Description of drawings

Next in connection with accompanying drawing embodiment of the present utility model is described in further detail, wherein:

Fig. 1 is the structural representation of embodiment of the present utility model, wherein shows simultaneously pedal arm and is in extreme higher position and two kinds of situations of extreme lower position;

Fig. 2 is the part sectional view of cutting open along the plane A-A among Fig. 1;

Fig. 3 is the part sectional view of cutting open along the plane B-B among Fig. 1;

Fig. 4 has schematically shown a kind of typical two channel switch.

Sequence number among the upper figure: put switch contact 7-lower limit support 8,9-

cushion rubber

10,11,20,21-contact 30-metal in flakes at the bottom of putting switch 5-overhead switch contact 6-at the bottom of the 1-pedal arm 2-pedal support 3-overhead switch 4-

The specific embodiment

Fig. 1 is the structural representation of embodiment of the present utility model, wherein shows simultaneously pedal arm and is in extreme higher position and two kinds of situations of extreme lower position.Pedal arm 1 and pedal support 2 pivotal joints, put switch contact 6 and be installed on the pedal arm 2 at overhead switch contact 5 and the end, and put switch 4 and be installed on the described pedal support at overhead switch 3 and the end.Wherein, put switch 4 and be two channel switch at the end, and its typical structure will be described in detail in Fig. 4.When pedal arm 1 was in the extreme higher position, namely under state of nature, overhead switch contact 5 contacted with overhead switch 3, and overhead switch 3 is in normal condition at this moment, and is for example closed.Let slip the clutch, when pedal arm 1 came downwards to 10% left and right sides, 3 actions of overhead switch for example changed disconnection into by closure, and to the outside, for example ECU sends first position signal.When pedal arm 1 came downwards to total kilometrage 85%-95%, put switch contact 6 and put switch 4 end of with and contact at the end, and the first passage action of switch 4 is put at the end, sends second position signal to the outside.When pedal arm 1 came downwards to the bottom, the second channel action of switch 4 was put at the end, sends the 3rd position signal to the outside.As seen from the above description, this clutch pedal assembly can outwards send three position signals, and first position signal is sent by overhead switch 3, and latter two position signal is put switch 4 end of by and sent.

Fig. 2 is the part sectional view of cutting open along the plane A-A among Fig. 1.Have through hole on the pedal arm 1, overhead switch contact 5 has block tongue, snaps in the through hole on the pedal arm 1, thereby overhead switch contact 5 is fixed on the pedal arm 1.This buckle mode is easy for installation, does not need existing pedal arm is carried out large structural change.Equally, put switch contact 6 and can adopt this kind mounting means equally at the end.

Fig. 3 is the part sectional view of cutting open along the plane B-B among Fig. 1.Lower limit support 7 had both played the lower limit effect of pedal arm 1, also was the mounting bracket of putting switch 4 in the end simultaneously.Those of ordinary skills can imagine at an easy rate, also can have independent lower limit support, but structure are more complicated.Generally, firmly larger during the navigating mate let slip the clutch, therefore; in pedal arm 1 and the position that the lower limit support contacts, cushion rubber 9 is installed, put the position of putting the contact of switch 4 in switch contact 6 and the end end of at; cushion rubber 8 is installed, to put switch 4 in the protection end.Simultaneously, when pedal arm 1 is pressed on the lower limit support 7, the end put switch contact 6 or its cushion rubber 8 the lower surface will and the end put between the limit advanced position of contact of switch 4 and have safe clearance δ, preferred 1mm≤δ≤2mm, like this, the contact of putting switch 4 is can compressed distance not long at the end.

Fig. 4 has schematically shown a kind of typical two channel switch, and this structure is common especially in micro

limit switch.Contact

10 and 11 is first pair of contact, and they have formed the end and have put the first passage of switch 4.

Contact

20 and 21 is second pair of contact, and they have formed the end and have put the second channel of switch 4.Metal 30 be used for to be connected first passage or second channel in flakes.Under the normal condition, metal is first pair of contact 10 of 30 connections, 11 in flakes, and first passage is in normally off.When the contact of putting switch 4 end of when was pressed down, first passage at first moved, and becomes disconnection by closure.Continue to press down the contact of putting switch 4 in the end, metal 30 is communicated with second pair of

contact

20,21 in flakes, and the second channel action becomes closure by often opening.Those of ordinary skills should understand, although be often to open to become closed and be described as example take the normally closed change disconnection of first passage, second channel in the present embodiment, but can adopt equally the two channel switch of other structure, the closure state that satisfies first, second passage changes requirement.

Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only be subjected to the restriction of claim, those of ordinary skills can easily make amendment to it and change, but do not leave essence design of the present utility model and scope.

Claims

1. clutch pedal assembly comprises:

Pedal arm;

Pedal support;

The overhead switch;

Switch is put at the end;

Overhead switch contact;

The switch contact is put at the end;

2. clutch pedal assembly according to claim 1 is characterized in that, the lower limit support also is installed on the described pedal support.

3. clutch pedal assembly according to claim 2 is characterized in that, described lower limit support is put the mounting bracket of switch simultaneously as the described end.

4. clutch pedal assembly according to claim 2 is characterized in that, described lower limit support is equipped with cushion rubber with the position that described pedal arm contacts.

5. clutch pedal assembly according to claim 2 is characterized in that, when described pedal arm came downwards to extreme lower position and is pressed on the described lower limit support, put switch and has safe clearance δ at the end.

6. clutch pedal assembly according to claim 5 is characterized in that, the scope of described safe clearance is 1mm≤δ≤2mm.

7. clutch pedal assembly according to claim 1 is characterized in that, the switch contact is put at described overhead switch contact and/or the described end and described pedal arm adopts the buckle-type mounting means.

8. clutch pedal assembly according to claim 1 is characterized in that, put on the switch contact cushion rubber is installed at the described end.