JPH08258688A - Brake fluid pressure control device for vehicle - Google Patents

Abstract

PURPOSE: To prevent water intruding into gaps between a cover and a base from the periphery of a mount shaft by allowing a mount rubber to be in resilient contact with a contacting plate part of the cover over the whole periphery of a through hole in the condition that the mount shaft is fitted in the mount rubber. CONSTITUTION: A pair of second mount shafts 51... protruded from the other side face 34b of a base 34 are mounted on mounting plate parts 54b... of bracket 54 through the second mounts 55..., and in this condition, a ring-shaped projection 56a furnished protrusively on a mount rubber 56 of the first mount means 55 is put in resilient contact with a contacting plate part 40b over the whole periphery of a through hole 53. At the outer face of the contacting plate part 40b. the whole periphery of the through hole 53 is sealed with the mount rubber 56. This certainly prevents water intrusion to gaps between one side face 34a of the base 34 and the contacting plate part 40b from the inner surface of the through hole 53 and the outer surface of the first mount shaft 51.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a volume of a reservoir chamber in which one end of a base body is provided with a reservoir piston which is slidably fitted into a reservoir hole provided in the base body. A reservoir urged in a direction to reduce
A return pump that connects the intake port to the reservoir chamber and the discharge port to the master cylinder, and a state where the output hydraulic pressure of the master cylinder acts on the wheel brake and a state where the hydraulic pressure of the wheel brake is released to the reservoir chamber Control valve means for controlling the hydraulic pressure of the wheel brake is disposed, and a cover having a contact plate portion that covers the opening end of the reservoir hole and contacts the one side surface is fixed to one side surface of the base body. The present invention relates to a vehicle brake hydraulic pressure control device in which a mount shaft, which penetrates a through hole provided in an abutting plate portion of the cover and is fixed to a base body, is attached to a bracket fixed to a vehicle body through mount means.

[0002]

2. Description of the Related Art Conventionally, such a vehicle brake fluid pressure control device is already known from, for example, Japanese Utility Model Laid-Open No. 6-8132.

[0003]

The cover fixed to one side surface of the base body has an abutting plate portion that abuts on the one side surface and covers the opening end of the reservoir hole. The plate portion is provided with a through hole for penetrating the mount shaft fixed to the base body, and when the base body is mounted on a vehicle, rainwater is provided between the inner surface of the through hole and the outer surface of the mount shaft to one side surface of the base body and the contact plate portion. Intrusion of water, etc., may cause rust in the components that make up the reservoir, and it is necessary to prevent water from entering between one side surface of the base body and the contact plate portion. No measures have been taken.

The present invention has been made in view of the above circumstances, and provides a brake fluid pressure control device for a vehicle, which prevents water from entering between the cover and the base around the mount shaft. With the goal.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 is slidably fitted to a base body, which is opened in one side surface thereof and is provided in a reservoir hole provided in the base body. A reservoir piston in which one end of the reservoir piston is urged in a direction to reduce the volume of the reservoir chamber, a return pump for connecting the suction port to the reservoir chamber and a discharge port for the master cylinder, and a wheel Control valve means for controlling the hydraulic pressure of the wheel brake by switching between the state in which the output hydraulic pressure of the master cylinder acts on the brake and the state in which the hydraulic pressure in the wheel brake is released to the reservoir chamber are provided. A cover having an abutting plate portion that covers the opening end of the reservoir hole and abuts one side surface is fixed to the base, and the cover is fixed to the base by penetrating a through hole provided in the abutting plate portion of the cover. In the vehicle brake fluid pressure control device, in which the mounted mount shaft is attached to the bracket fixed to the vehicle body via the mount means, the mount means is a ring-shaped mount for fitting the mount shaft into a mount cover attached to the bracket. A rubber is provided, and when the mount cover is attached to the bracket, the mount rubber is in contact with the cover over the entire circumference of the through hole when the mount shaft is fitted in the mount rubber. It is characterized in that it is elastically contacted with the plate portion.

The invention according to claim 2 is the above-mentioned claim 1.
In addition to the constitution of the invention described above, a first mount shaft projecting from one side surface of the base body and a second mount shaft projecting from the other side surface opposite to the one side surface are fixed to the base body. , Mounted on mounting plates provided on the brackets on both sides of the base body via first and second mounting means, respectively, and at least a first mounting means of both mounting means.
The mounting rubber of the mounting means is provided with an annular projection projecting over the entire circumference of the through hole so as to be able to come into contact with the abutting plate portion of the cover, and the mounting rubber of the first mounting means is provided between both mounting plate portions of the bracket. It is characterized in that an interval is set such that the mount rubber is compressed axially between the mount cover and the contact plate portion and the mount rubber of the second mounting means is compressed axially between the mount cover and the base body.

[0007]

According to the structure of the invention described in claim 1, the mount shaft penetrating through the through hole of the contact plate portion of the cover,
In the state of being attached to the bracket through the mounting means, the ring-shaped mount rubber into which the mount shaft is fitted is elastically abutted on the abutment plate portion over the entire circumference of the through hole, so that the inner surface of the through hole is formed. Further, it is possible to reliably prevent water from entering between the outer surfaces of the mount shaft and one side surface of the base body and the abutting plate portion.

According to the configuration of the invention described in claim 2, the first and second mount shafts are mounted on both mounting plate portions of the bracket through the first and second mounting means, and both mounts are mounted. The mount rubber of the means is axially compressed, and the annular projection of the mount rubber of the first mounting means is pressed against the contact plate portion around the through hole, whereby a reliable seal can be obtained.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to an antilock brake control device for a four-wheel vehicle will be described below with reference to the drawings.

1 to 4 show an embodiment of the present invention. FIG. 1 is a hydraulic circuit diagram of a vehicle brake device,
2 is a side view of the anti-lock brake control device in a state of being supported by the vehicle body, FIG. 3 is a vertical cross-sectional side view of a main part of the anti-lock brake control device in a state of being supported by the vehicle body, and FIG. 4 is a mounting means and a bracket. FIG. 6 is a vertical cross-sectional side view for explaining the mounting dimensions of FIG.

First, in FIG. 1, a tandem type master cylinder M is provided with a pair of output ports 13a and 13b for outputting a braking fluid pressure according to the depression of a brake pedal P, and a left front wheel brake B _FL and a right wheel brake B _FL . A proportional pressure reducing valve 14 _R connected to the rear wheel wheel brake B _RR , a right front wheel wheel brake B _FR , and a proportional pressure reducing valve 14 _L connected to the left rear wheel wheel brake B _RL , and the both output ports 13a. , 1
An anti-lock brake control device 15 as a vehicle brake fluid pressure control device is provided between the anti-lock brake control device 15 and 3b.

This anti-lock brake control device 15
_Are four _normally open solenoid valves V _OFL , which individually correspond to the wheel brake B _FL for the front left wheel, the wheel brake B _RR for the rear right wheel, the wheel brake B _FR for the front right wheel and the wheel brake B _RL for the rear left wheel, respectively. V _ORR , V _OFR , V _ORL and each normally open solenoid valve V
Four check valves 17 _FL , 17 _RR , 17 _FR and 17 _RL connected in parallel to _{OFL to} V _ORL and four normally closed solenoid valves V individually corresponding to the wheel brakes B _{FL to} B _RL , respectively. _CFL , V _CRR , V _CFR and V _CRL , and left front wheel wheel brake B _FL and right rear wheel wheel brake B _RR side and right front wheel wheel brake B _FR and left rear wheel wheel brake B
A pair of reservoirs 19 ₁ individually corresponding to the _RL side,
19 ₂ and the intake valves 20 ₁ to both the reservoirs 19 ₁ and 19 ₂ .
A pair of return pumps 21 connected through a 20 _{2 1,} 2
And 1 _2, both the return pump 21 _1, 21 ₂ common to motor 2
2 and the return valves 21 ₁ , 21 ₂ to the discharge valves 23 ₁ , 2
3 of a pair connected ₂ via a damper chamber 24 _1, 24 ₂
And the output ports 13a, 13b of the master cylinder M
And orifices 25 ₁ and 25 ₂ provided between the return pumps 21 ₁ and 21 ₂ , respectively, and each normally open solenoid valve V _{OFL to} V _ORL and each normally closed solenoid valve V _{CFL to} V _CFL.
The demagnetization / excitation of the _CRL is switched and controlled by the electronic control unit 26.

Normally open type solenoid valve V_OFLIs the master cylinder M
One output port 13a and the wheel brake B for the left front wheel_FL
And a normally open solenoid valve V_ORRIs the output port
Wheel 13a and wheel brake B for the right rear wheel_RRRatio connected to
Example Pressure reducing valve 14_RAnd a normally open solenoid valve V_OFR
Is the other output port 13b of the master cylinder M and the front right
Wheel brake B for wheels_FRNormally open solenoid valve installed between
V_ORLIs the output port 13b and the wheel breaker for the left rear wheel.
B_RLProportional pressure reducing valve 14 connected to_LIs installed between
It Check valve 17_FL~ 17_RLIs the corresponding wheel
Rake B_FL~ B _RLAllows only the flow of hydraulic fluid from
Each normally open solenoid valve V_OFL~ V_ORLConnected in parallel to
Be done.

The normally closed solenoid valve V _CFL is provided between the wheel brake B _FL for the left front wheel and the reservoir 19 ₁ and is a normally closed solenoid valve V _CRR.
Is between the proportional pressure reducing valve 14 _R and the reservoir 19 ₁ , the normally closed solenoid valve V _CFR is between the front wheel brake B _FR and the reservoir 19 ₂ , and the normally closed solenoid valve V _CRL is the proportional pressure reducing valve 1.
4 _L and the reservoir 19 ₂ , respectively. The normally closed solenoid valves V _CFL , V _CRR , V _CFR and V _CRL are
Corresponding _normally open solenoid valves V _OFL , V _ORR , V _OFR , V _ORL
Along with this, the control valve means referred to in the claims are respectively constituted, and each control valve means is a wheel brake B.
_The state in which the output hydraulic pressure of the master cylinder M is applied to _FL , B _RR , B _FR , and B _RL , and the wheel brakes B _FL , B _RR , and B
The hydraulic pressures of the wheel brakes B _FL , B _RR , B _FR , and B _RL can be controlled by switching the state in which the hydraulic pressures of _FR and B _RL are released to the reservoirs 19 ₁ and 19 ₂ .

Such anti-lock brake control device
According to No. 15, there is a possibility that each wheel will not lock.
When normally braking, each normally open solenoid valve V_OFL~ V_ORLDisappears
The valve is open in the magnetic state, and each normally closed solenoid valve V
_CFL~ V_CRLIs demagnetized and is closed. But
Output from one output port 13a of the master cylinder M
The braking fluid pressure applied is the normally open solenoid valve V_OFLLeft front through
Wheel brake B for wheels_FLNormally open solenoid valve
V_ORRAnd proportional pressure reducing valve 14_RFor the right rear wheel
Rake B_RRTo the other side of the master cylinder M
The braking fluid pressure output from the force port 13b is the normally open electromagnetic pressure.
Valve V_OFRWheel brake B for the right front wheel via _FRAct on
With normally open solenoid valve V_ORLAnd proportional pressure reducing valve 14_LTo
Via the wheel brake B for the left rear wheel_RLAct on.

During anti-lock control when the wheel is about to enter the locked state during braking, the normally open solenoid valve corresponding to the wheel that is about to enter the locked state among the _normally open solenoid valves V _{OFL to} V _ORL. Is excited to close the valve, and at the same time, of the normally closed solenoid valves V _{CFL to} V _CRL , the normally closed solenoid valves corresponding to the wheels are excited and opened. Then, a part of the brake fluid pressure is released to the reservoir 19 ₁ or 19 ₂ and reduced. When the brake fluid pressure is maintained, the normally open solenoid valves V _{OFL to} V _ORL are excited to close the valve, and the normally closed solenoid valves V _{CFL to} V _CRL are demagnetized to maintain the closed state. Of course, when increasing the braking fluid pressure, deenergize the normally open solenoid valves V _{OFL to} V _ORL and open them, and demagnetize the normally closed solenoid valves V _{CFL to} V _CRL to keep them closed. Good.

The motor 22 that commonly drives the pair of return pumps 21 ₁ and 21 ₂ is operated during the antilock control, and the reservoirs 19 ₁ and 19
_The hydraulic fluid released to ₂ is returned from the pumps 21 ₁ and 21 ₂ to the damper chambers 24 ₁ and 24 ₂ and the orifices 25 ₁ and 25.
_It is returned to the upstream side of each normally open solenoid valve V _{OFL to} V _ORL via ₂ . Therefore, the depression amount of the brake pedal P in the master cylinder M does not increase by the amount released to the reservoirs 19 ₁ and 19 ₂ , and the return pumps 21 ₁ and
The pulsation of the hydraulic fluid sent from 21 ₂ is the damper chamber 24 ₁ ,
24 ₂ and the orifices 25 ₁ and 25 ₂ dampen the action, and the pulsation is not transmitted to the brake pedal P.

Whether the wheels are likely to enter the locked state in the electronic control unit 26 for controlling the demagnetization / excitation of the normally open solenoid valves V _{OFL to} V _ORL and the normally closed solenoid valves V _{CFL to} V _CRL . Wheel speed sensors 27 _FL , 27 _RR , 27 _FR , which individually detect the wheel speed of each wheel in order to judge whether
27 _RL detection signal is input, and a detection signal of a handbrake detection sensor 29 that detects whether or not the handbrake lever 28 is operated is also input. Further, when in the antilock control state, the electronic control unit 26
An alarm 30 such as a lamp activated by is connected to the electronic control unit 26.

2 and 3, the antilock brake control device 15 is formed in a block shape and
5 is provided with a metal base 34 mounted on
Four _normally open solenoid valves V _OFL , V _ORR , V
_OFR , V _ORL , 4 normally closed solenoid valves V _CFL , V _CRR , V
_CFR , V _CRL , four check valves 17 _FL , 17 _RR , 17
_FR , 17 _RL , a pair of reservoirs 19 ₁ , 19 ₂ , a pair of suction valves 20 ₁ , 20 ₂ , a pair of return pumps 21 ₁ , 2
1 ₂ , a pair of discharge valves 23 ₁ , 23 ₂ , a pair of damper chambers 2
4 ₁ , 24 ₂ and a pair of orifices 25 ₁ , 25
₂ etc. are arranged.

The base body 34 is provided with one side surface 34a which is in a vertical posture when mounted on the vehicle body 35, and has four fitting recesses 36 ... And these fitting recesses 36 ...
4 are arranged in parallel with each other in the arrangement direction, and are bored in the base 34 so as to open on the one side surface 34a. Normally open solenoid valves V _OFL , V _ORR , V _OFR and V _ORL are
A part of the normally-closed solenoid valve V _CFL , V _CFL is fitted into the corresponding fitting recess 36 ...
_CRR , V _CFR , and V _CRL are fitted in the corresponding fitting recesses 37 so that part of them protrudes from the one side surface 34a.

A cover 40 made of synthetic resin is fastened to one side surface 34a of the base body 34 by a plurality of screw members 41, and the cover 40 is normally opened from the one side surface 34a of the base body 34. Type solenoid valve V _OFL , V _ORR , V _OFR ,
V _ORL and each normally closed solenoid valve V _CFL , V _CRR , V _CFR ,
_Cover the protrusions of V _CRL and their solenoid valves V _OFL ,
V _ORR , V _OFR , V _ORL , V _CFL , V _CRR , V _CFR , V
A box-shaped portion 40a for sandwiching the _CRL with the base body 34 and a contact plate portion 40b for contacting one side surface 34a of the base body 34 are provided.

The motor 22 is attached to the other side surface 34b, which is a side surface opposite to the one side surface 34a of the base 34, and is driven by the motor 22.
1 ₁ and 21 ₂ are built in the base 34.

The base plate 34 is provided with a pair of reservoir holes 42 whose outer end is opened and whose inner end is closed on one side surface 34a so that the contact plate 40b of the cover 40 covers the opening end. The reservoirs 19 ₁ and 19 ₂ are slidably fitted in the respective reservoir holes 42, and form reservoir chambers 43 with the closed ends of the reservoir holes 42. A retaining ring 45 fitted on the inner surface of the opening end of the retaining member 42, and a ring-shaped retainer 46, which is fitted into the reservoir hole 42 so as to prevent the retaining ring 45 from being separated from the reservoir hole 42, and a retainer. 46 ...
And a spring 47 compressed between the reservoir piston 44.
... and respectively, and the reservoir piston 4
4 are urged toward the side that reduces the volume of the reservoir chambers 43 by the spring force of the springs 47.

A cap 48 made of synthetic resin is attached to the retainer 46 from the outside, and a spring 47 is housed in the cap 48 so that the space between the cap 48 and the piston 44. Opening holes 50 through which the spring chambers 49 formed in the above are communicated with the outside are provided.

The base 34 has both reservoirs 19 ₁ and 19 ₂
First mounting shaft 51 ₁ cylindrical projecting from one side surface 34a between the, so as to be opened to one side surface 34a base 34
Is fixed by press fitting into a mounting hole 52 ₁ provided in the first mounting shaft 51 ₁
A through hole 53 is provided for penetrating. On the other hand, the pair of second mount shafts 51 _2, ...
2 is fixed to the base body 34 so as to project from the other side surface 34b by press-fitting into a pair of mounting holes 52 ₂ provided on the base body 34 so as to open to the other side surface 34b of the base body 34 on both sides. .

The first protruding from one side surface 34a of the base 34
The mount shaft 51 ₁ is attached to the bracket 54 fixed to the vehicle body 35 via the first mount means 55 ₁ .
Further, the pair of second mount shafts 51 ₂ ... That protrude from the other side surface 34 a of the base 34 are attached to the bracket 54 via the corresponding second mount means 55 ₂ .

The first mount means 55 ₁ is a ring-shaped mount rubber 56 ₁ into which the first mount shaft 51 ₁ is fitted.
Is provided in the metal mount cover 57. Thus, the mount cover 57 has a support portion 57 formed in a dish shape by attaching the mount rubber 56 ₁ to the inner surface.
a and a screw shaft portion 57b integrally and coaxially fixed to the support portion 57a, the screw shaft portion 57b.
Are coaxially projected from the support portion 57a. In addition, the mount rubber 56 ₁ has an annular projection 56 that can come into contact with the contact plate portion 40 b of the cover 40 over the entire circumference of the through hole 53.
a is projected.

The second mount means 55 ₂ has the same structure as the first mount means 55 _1, and the second mount shaft 5
A ring-shaped mount rubber 56 ₂ into which 1 ₂ is fitted is provided in a metal mount cover 57. However,
The mount rubber 56 ₂ may be provided with the annular protrusion 56 a or may not be provided with the annular protrusion 56 a.

On the other hand, the bracket 5 fixed to the vehicle body 35
4 includes a mounting plate portion 54a on one side surface 34a side of the base body 34.
And a pair of mounting plate portions 34b on the other side surface 34b side of the base body 34
Are provided so as to be located on both sides of the base body 34.
The first mounting means 55 ₁On the mounting plate 54a,
The second mounting means 55₂Is attached to the mounting plate 54b.
Attached. That is, the first mounting means 55₁In
The screw shaft portion 57b of the mount cover 57 is attached to the mounting plate portion 54.
a screw shaft portion that is inserted into a and protrudes from the mounting plate portion 54a
At the end of 57b, a nut 58 that engages with the mounting plate 54a
Are screwed together. Thus, the screw shaft portion 5 is attached to the mounting plate portion 54a.
7b is opened to the side opposite to the vehicle body 35 so that it can be inserted.
A U-shaped insertion groove 59 is provided, and the mount cover 57
The support portion 57a includes a mount 57 around the axis.
The claw 61 that engages with the insertion groove 59 to prevent the rotation is supported.
It is formed by cutting and raising a part of the portion 57a. Well
Second mounting means 55₂Is the first mounting means 55₁
With the same mounting structure as that of the mounting plate 54a
Attached to the mounting plate portion 54b having the substantially U-shaped insertion groove 60.
The claw 61 of the mount cover 57 is attached to the insertion groove 60.
Are engaged.

By the way, the mount rubber 56 ₁ of the first mount means 55 ₁ fitted with the first mount shaft 51 ₁ is brought into contact with the contact plate portion 40b of the cover 40, but an external force is applied to the mount rubber 56 _1. With no state,
The mount rubber 56 _{2 of} the second mount means 55 ₂ fitted with the second mount shafts 51 ₂ is attached to the other side surface 3 of the base 34.
4b, but both mount rubbers 56 ₂ ...
When no external force is applied to the brackets 54 made of a rigid material, the distance L ₁ between the outer end faces of the support portions 57a ... Of the mount covers 57 of the first and second mount means 55 ₁ , 55 ₂ ... Mounting plate portions 54a, 5 in
It is set to be larger than the distance L ₂ between the facing surfaces of 4b ... (L ₁ > L ₂ ). That is, both mounting plate portions 5 of the bracket 54
4a, 54b ... the spacing therebetween, the first and second mounting shaft 51 _1, 51 ₂ ... ₁ the first and second mounting means 55, 55 ₂ ... through the two mounting plate portions fixed to the base 34 54a, 54b ... When attached to
The mount rubber 56 ₁ of the first mounting means 55 ₁ is axially compressed between the mount cover 57 and the contact plate portion 40b, and the mount rubber 56 _{2 of} the second mounting means 55 ₂ ... Is mounted on the mount cover 57 ... It will be set to a value that compresses in the axial direction.

Next, the operation of this embodiment will be described. With the cover 40 fixed to one side surface 34a of the base 34, the contact plate portion 40b of the cover 40 contacts the one side surface 34a. Thus, the first mount shaft 51 ₁ protruding from the through hole 53 of the contact plate portion 40b is attached to the first mount means 55.
Together is attached to the mounting plate portion 54a of the bracket 54 via a _1, the other side of the pair of protruded from 34b second mounting shaft 51 ₂ ... second mounting means of the base 34 55
₂ is attached to the mounting plate portion 54b of the bracket 54 through the annular protrusion 56a projecting from the mount rubber 56 ₁ of the first mounting means 55 ₁ through the through hole 53.
Is elastically contacted with the contact plate portion 40b over the entire circumference thereof. Therefore, the through hole 53 is formed on the outer surface side of the contact plate portion 40b.
The entire circumference of the inner periphery of the through hole 53 is sealed by the mount rubber 56 ₁ , and the inner surface of the through hole 53 and the first mount shaft 51 ₁
Water is reliably prevented from entering between the outer surfaces of the base 34 and the one side surface 34a of the base 34 and the contact plate portion 40b. As a result, reservoir piston 44 to reservoir port 42 ... in covered outer end opening in the abutment plate portions 40b, the retaining ring 45, the retainer 46, the reservoir 19 ₁ constituted by inserting a spring 47 and cap 48, 19 to prevent water from entering the _2, it is possible to prevent rusting in the reservoir 19 _1, 19 _2.

Further, when the mounting means 55 ₁ , 55 ₂ ... Are mounted on the mounting plate portions 54a, 54b of the bracket 54, the mounting rubbers 56 ₁ , 56 ₂ are mounted so as to be compressed in the axial direction. By setting the distance between the plate portions 54a, 54b ...
Annular projection 56a projecting from the _first mount rubber 56 ₁
It is possible to reliably achieve elastic pressure contact with the contact plate portion 40b, and to obtain a reliable seal.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the claims. It is possible.

[0034]

As described above, according to the first aspect of the present invention, the mount means comprises the mount cover attached to the bracket and the ring-shaped mount rubber into which the mount shaft is fitted. The mount rubber when attached to the bracket is
When the mount shaft is fitted in the mount rubber, the mount shaft is elastically contacted with the contact plate portion of the cover over the entire circumference of the through hole, so that the mount shaft is attached to the bracket through the mounting means. In this state, the ring-shaped mount rubber elastically abuts the abutment plate portion around the entire circumference of the through hole, so that the one side surface of the base body and the outer surface of the mount shaft are connected to each other from the inner surface of the through hole and the outer surface of the mount shaft. Water is reliably prevented from entering between the contact plate portions.

According to a second aspect of the present invention, in addition to the structure of the first aspect of the invention, the base body has a first mount shaft protruding from one side surface and a side opposite to the one side surface. Second mount shafts projecting from the other side surface are fixed, and those mount shafts are attached to the mounting plate portions provided on the brackets on both sides of the base body via the first and second mounting means, respectively. At least the mount rubber of the first mounting means is provided with an annular projection projecting over the entire circumference of the through hole so as to be able to contact the contact plate portion of the cover, and the first mounting means is provided between both mounting plate portions of the bracket. While axially compressing the mount rubber of the second mounting means between the mount cover and the contact plate portion and axially compressing the mount rubber of the second mounting means between the mount cover and the base body. Since the first and second mount shafts are attached to both mounting plate portions of the bracket via the first and second mount means, the mount rubbers of both mount means are compressed in the axial direction. The annular protrusion of the mount rubber in the first mounting means is pressed against the contact plate portion around the through hole, so that a reliable seal can be obtained.

[Brief description of drawings]

FIG. 1 is a hydraulic circuit diagram of a vehicle brake device.

FIG. 2 is a side view of the antilock brake control device in a state of being supported by the vehicle body.

FIG. 3 is a vertical cross-sectional side view of essential parts of the anti-lock brake control device in a state of being supported by the vehicle body.

FIG. 4 is a vertical cross-sectional side view for explaining mounting dimensions of a mounting means and a bracket.

[Explanation of symbols]

15 ... Antilock brake control device as brake fluid pressure control device 19 ₁ , 19 ₂ ... Reservoir 21 ₁ , 21 ₂ ... Return pump 34 ... Base body 34a ... One side surface of base body 34b. ..Other side surface of base body 35 ... Vehicle body 40 ... Cover 40b ... Abutting plate portion 42 ... Reservoir hole 43 ... Reservoir chamber 44 ... Reservoir piston 51 ₁ ... First mount axis 51 ₂ ... second mounting shaft 53 ... through hole 54 ... bracket 54a, 54b ... mounting plate portion 56 _1, 56 ₂ ... mount rubber 56a ... annular projection 57 ... Mount cover B _FL , B _FR , B _RL , B _RR ... Wheel brake M ... Master cylinder V _CFL , V _CFR , V _CRL , V _CRR ... Normally closed solenoid that is a component of control valve means Valve V _OFL , V _OFR , V _ORL , V _{ORR: normally} open solenoid valve that is a component of control valve means

Claims (2)

[Claims] 1. A substrate (34) having one side surface (34a) thereof.
Reservoir hole (4
Reservoir piston (44) slidably fitted to 2)
Reduces the volume of the reservoir chamber (43) facing one end
The reservoir (19₁, 19₂)
And connecting the inlet to the reservoir chamber (43)
The return port that connects the discharge port to the master cylinder (M)
Pump (21₁, 21₂) And the wheel brake (B_FL,
B_FR, B_RL, B_RR) Output fluid pressure of master cylinder (M)
The wheel brake (B_FL,
B_FR, B_RL, B_RR) Hydraulic pressure to the reservoir chamber (43)
Switch the release state to change the wheel brake (B_FL, B_FR,
B_RL, B_RR) Control valve means (V_OFL, V
_CFL; V _OFR, V_CFR; V_ORL, V_CRL; V_ORR, V
_CRR) And one side surface (34) of the base body (34).
In a), the opening end of the reservoir hole (42) is covered and
It has an abutting plate portion (40b) that abuts the side surface (34a).
The cover (40) is fixed, and the abutment plate of the cover (40)
The base is penetrated through the through hole (53) provided in the portion (40b).
Mount shaft (51) fixed to the body (34)₁) Is the car body
Mount on the bracket (54) fixed to (35)
Step (55₁) Brake fluid pressure for vehicles installed via
In the control device, the mounting means (55₁) Is Braque
Mount cover (57) attached to the cover (54)
The mount axis (51₁) The ring-shaped mau
Troubler (56₁) Is provided and the mount cover
-(57) is attached to the bracket (54)
Mount rubber when present (56₁) Is the mount la
Bar (56₁) Mount shaft (51₁) Was inserted
In this state, the entire circumference of the through hole (53) is covered.
The contact plate (40b) of (40) is elastically contacted.
And a vehicle brake fluid pressure control device. 2. The substrate (34) has one side surface (34).
a) A first mount shaft (51 ₁ ) protruding from a) and a second mount shaft (51 ₂ ) protruding from the other side face (34 b) opposite to the one side face (34 a) are fixed, and those mount shafts (51 ₂ ) are fixed. 51 ₁ and 51 ₂ ) are mounting plate portions (54) provided on the bracket (54) on both sides of the base body (34).
a, 54b) on the first and second mounting means (55 ₁ ,
55 ₂ ), each of which is attached to at least the mount rubber (56 ₁ ) of the first mounting means (55 ₁ ) of the two mounting means (55 ₁ , 55 ₂ ) around the entire circumference of the through hole (53). A ring-shaped protrusion (56a) that can come into contact with the contact plate portion (40b) of the cover (40) is provided over the entire area, and both mounting plate portions (54a, 54) of the bracket (54) are provided.
b) between the two, the mount rubber (56 ₁ ) of the first mount means (55 ₁ ) is axially compressed between the mount cover (57) and the contact plate portion (40b), and the second mount means (55 _{2) 2. The} brake fluid pressure control device for a vehicle according to claim 1, wherein the mount rubber (562) of ( ₁ ) is set to an interval for axially compressing between the mount cover (57) and the base body (34).