CN209870115U - Hydraulic clutch pedal structure of passenger car - Google Patents

Abstract

The utility model relates to a hydraulic clutch pedal structure of a passenger vehicle, which comprises a pedal bracket, a switch bracket, a pedal arm, a pedal pad, a power spring and an idling start-stop three-loop switch; the switch bracket is welded between the left bracket and the right bracket, and the center of the switch bracket is provided with two long round holes and a round hole, so that the three-loop switch is convenient to quickly clamp and mount in an idling start-stop mode; the clutch pedal structure integrates the two existing switch supports which are arranged up and down into one switch support, so that the structure of the clutch pedal is simplified, and the cost is reduced.

Description

Hydraulic clutch pedal structure of passenger car

Technical Field

The utility model belongs to the technical field of automobile parts, a passenger car fluid pressure type separation and reunion footboard structure is related to.

Background

When the existing clutch pedal is matched with an idle speed start-stop switch, two forms are generally adopted, one form is that an upper switch bracket and a lower switch bracket are used for installing two switches, and the clutch pedal is complex in structure, large in number of brackets and low in precision; in addition, the idle start-stop switch is integrated in the master cylinder, and the cost of the master cylinder is very high due to the clutch pedal, so that the idle start-stop switch cannot be completely applied to vehicles with high cost and pressure.

Utility model CN201900997U discloses a booster unit of clutch pedal, is an automobile clutch pedal booster unit with pedal power automatically regulated and antifriction bearing. The automobile clutch pedal power assisting device comprises a motor, a lower pedal, a pedal force sensor or a motor switch, an elastic rubber strip, a bearing track, a rolling shaft, a middle pedal, an upper pedal and a torque adjuster, and has a pedal force automatic adjusting function. But the structure is provided with parts such as a motor and the like, the structure is complex, the cost is high, and the device is not suitable for the requirements of the current passenger vehicle on low-cost and high-performance finished vehicles.

The utility model patent CN201800550U discloses a separation and reunion footboard for car, it includes footboard base, the side support body, upper bracket body, pedal arm, pivot subassembly, goes up stop gear, stop gear and footboard down the footboard includes rubber pad and footboard metalwork the installation footboard one end of pedal arm is a linear end, and its tip upper surface has the curved surface the same with footboard metalwork lower surface, with footboard metalwork lower surface welding, opens the breach that has a step off the pedal arm in footboard rubber pad front portion, footboard rubber pad lock is on the footboard metalwork to bond through the viscose. This separation and reunion footboard only is applicable to the stay-supported structure, also is less separation and reunion footboard power, can not be applicable to fluid pressure type structure and great footboard power, also does not have helping hand spring structure simultaneously, and unable effectual reduction separation and reunion footboard power improves driver's comfort level.

Utility model CN202067686U discloses a separation and reunion footboard band on-off mechanism, especially relates to a can be for the separation and reunion footboard switch of output clutch complete separation signal. This separation and reunion pedal switch is including setting up the switch body on pedal support, pedal support articulates there is the clutch pedal, the switch body passes through the circuit and is connected, be provided with the mounting hole on the pedal support, be provided with the trigger shaft on the switch body, trigger shaft and mounting hole clearance fit are provided with the switch contact on the trigger shaft, the switch contact passes through the circuit and is connected with this body of switch, be provided with reset spring on the trigger shaft, be provided with the clamp on the trigger shaft, reset spring is located between pedal support and the clamp. Only one clutch pedal switch can be integrated in the novel device, and the effect of collecting upper and lower signals when the idle speed is started and stopped cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the complicated idle speed of current separation and reunion footboard and open and stop switch supporting structure, adopt a switch support, the switch can adopt three return circuit switches, spacing support is simplified by a wide margin down simultaneously, a passenger car fluid pressure type separation and reunion footboard structure's concrete technical scheme as follows:

a hydraulic clutch pedal structure of a passenger car comprises a pedal bracket, a switch bracket, a pedal arm, a pedal pad and a power spring; the left side and the right side of the pedal support are respectively welded with a left support and a right support, and the bottom of the pedal support is welded with a lower limiting support; the switch bracket is welded between the left bracket and the right bracket, and the middle part of the switch bracket is provided with two long round holes and a round hole so as to facilitate the quick clamping installation of the idle speed start-stop three-loop switch; two ends of the power-assisted spring are respectively fixed in through holes of the left bracket and the right bracket through power-assisted spring bushings, and the middle part of the power-assisted spring is pressed into a pedal arm bushing which is bonded at the front end of the pedal arm; the pedal arm is also welded on the rotating shaft, and the left end and the right end of the rotating shaft are riveted in rotating shaft holes of the left bracket and the right bracket through rotating shaft bushings respectively; a switch trigger buffer block support is welded at the middle upper part of the pedal arm, a switch trigger buffer block is installed at the top of the switch trigger buffer block support, a lower limit buffer block support is welded at the right side of the pedal arm, and a lower limit buffer block is installed at the bottom of the lower limit buffer block support; the pedal pad is clamped at the bottom of the pedal arm, and plays a good anti-skidding role.

Further, the pedal support, the switch support, the left support, the right support, the lower limit support, the switch triggering buffer block support and the lower limit buffer block support are all made of SPHC steel plates through stamping.

Furthermore, the pedal lower limiting bracket is made of a simple inverted V-shaped structure.

The utility model discloses two upper and lower switch support integrations that will have now are a switch support to by a three return circuit switch centralized control, because switch support, lower spacing support obtain simplifying with the isotructure simultaneously, make cost reduction, weight is lighter.

Drawings

Fig. 1 is a schematic structural view of a hydraulic clutch pedal structure of a passenger car according to the present invention;

fig. 2 is a schematic view showing a connection relationship between the assist spring, the assist spring bushing, and the pedal arm bushing according to the present invention;

fig. 3 is an axonometric view of the hydraulic clutch pedal structure of the passenger car of the invention;

in the figure: 1. the novel idle start-stop three-circuit switch comprises a pedal support, a switch support, a pedal arm, a pedal pad, a dustproof cotton, a left support, a right support, a lower limit support, a booster spring rotating bush, a pedal arm bush, a rotating shaft bush, a switch trigger buffer block support, a switch trigger buffer block, a lower limit buffer block support, a lower limit buffer block and a lower limit buffer block, wherein the pedal support comprises a pedal arm support, a left support, a right support, a lower limit support, a booster spring rotating bush, a pedal arm bush, a rotating shaft bush.

Detailed Description

The utility model provides a passenger car fluid pressure type separation and reunion footboard structure, its reliability is high, simple structure and with low costs.

The present invention will be further explained with reference to the accompanying drawings and specific embodiments:

in the embodiment, referring to fig. 1 to 3, a hydraulic clutch pedal structure of a passenger car comprises a pedal bracket 1, a switch bracket 2, a pedal arm 3, a pedal pad 4 and a power spring 9; the left side and the right side of the pedal support 1 are respectively welded with a left support 6 and a right support 7, and the bottom of the pedal support 1 is welded with a lower limiting support 8; the switch bracket 2 is welded between the left bracket 6 and the right bracket 7, and two long round holes and a round hole are formed in the middle of the switch bracket 2, so that the three-loop switch can be quickly clamped and mounted when the idle speed is started and stopped; two ends of a power-assisted spring 9 are respectively fixed in through holes of the left bracket 6 and the right bracket 7 through power-assisted spring bushings 10, and the middle part of the power-assisted spring 9 is pressed into a pedal arm bushing 11 which is bonded at the front end of the pedal arm 3; the pedal arm 3 is also welded on a rotating shaft 12, and the left end and the right end of the rotating shaft 12 are riveted in rotating shaft holes of the left bracket 6 and the right bracket 7 through a rotating shaft bushing 13 respectively; a switch trigger buffer block support 14 is welded at the middle upper part of the pedal arm 3, a switch trigger buffer block 15 is installed at the top of the switch trigger buffer block support 14, a lower limit buffer block support 16 is welded at the right side of the pedal arm 3, and a lower limit buffer block 17 is installed at the bottom of the lower limit buffer block support 16; the pedal pad 10 is clamped at the bottom of the pedal arm 3, and has good anti-skidding effect.

In this embodiment, the lower pedal limiting bracket 8 is made of a simple inverted V-shaped structure.

In this embodiment, the pedal bracket 1, the switch bracket 2, the left bracket 6, the right bracket 7, the lower limit bracket 8, the switch trigger buffer block bracket 14 and the lower limit buffer block bracket 16 are all made of an SPHC steel plate by stamping, and the SPHC has the advantages of high material dimensional accuracy, good surface quality, high mechanical property, low cost and the like, and is suitable for being used in parts with high operating frequency such as a clutch pedal.

In this embodiment, the idle start-stop three-circuit switch 18 is mounted on the switch bracket 2 and can send two signals to realize the function of a double switch, and by adopting the structure, all parts related to the lower switch in the double switch structure can be eliminated, so that the pedal structure is simplified, the cost is lower, and the weight is lighter.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. A hydraulic clutch pedal structure of a passenger car comprises a pedal bracket (1), a switch bracket (2), a pedal arm (3), a pedal pad (4), a power-assisted spring (9) and an idle speed start-stop three-loop switch (18); the left side and the right side of the pedal support (1) are respectively welded with a left support (6) and a right support (7), and the bottom of the pedal support (1) is welded with a lower limiting support (8); the switch bracket (2) is welded between the left bracket (6) and the right bracket (7), and the middle part of the switch bracket (2) is provided with two long round holes and a round hole so as to facilitate the quick clamping installation of the idle speed start-stop three-loop switch (18); two ends of the power-assisted spring (9) are respectively fixed in through holes of the left bracket (6) and the right bracket (7) through power-assisted spring bushings (10), and the middle part of the power-assisted spring (9) is pressed into a pedal arm bushing (11) adhered to the front end of the pedal arm (3); the pedal arm (3) is further welded on a rotating shaft (12), and the left end and the right end of the rotating shaft (12) are respectively installed in rotating shaft holes of the left bracket (6) and the right bracket (7) through a rotating shaft bushing (13); a switch trigger buffer block support (14) is welded at the middle upper part of the pedal arm (3), a switch trigger buffer block (15) is installed at the top of the switch trigger buffer block support (14), a lower limit buffer block support (16) is welded at the right side of the pedal arm (3), and a lower limit buffer block (17) is installed at the bottom of the lower limit buffer block support (16); the pedal pad (4) is clamped at the bottom of the pedal arm (3).

2. The hydraulic clutch pedal structure for passenger cars of claim 1, characterized in that dust cotton (5) is adhered to the periphery of the mounting hole of the pedal bracket (1).

3. The hydraulic clutch pedal structure of passenger car as claimed in claim 1, wherein the booster spring (9) is a double hook spring.

4. The hydraulic clutch pedal structure for passenger cars according to claim 1, characterized in that the pedal bracket (1), the switch bracket (2), the left bracket (6), the right bracket (7), the lower limit bracket (8), the switch trigger bumper bracket (14) and the lower limit bumper bracket (16) are all made of SPHC steel plate by stamping.

5. Hydraulic clutch pedal structure for passenger vehicles according to claim 4, characterized in that the lower pedal limiting bracket (8) is made of a simple zigzag structure.