JP2010234826A - Brake fluid pressure control device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the mounting efficiency of an electric component in a circuit board so as to reduce a size of a brake fluid pressure control device for a vehicle. <P>SOLUTION: The brake fluid pressure control device for the vehicle include: a plurality of electromagnetic valves V mounted to one surface of a base substance 100 at which a fluid passage is formed; a plurality of coil assembly bodies 1A, 1B mounted to the electromagnetic valves V; a housing 310 for covering the electromagnetic valves V and the coil assembly bodies 1A, 1B; a circuit board 301 which is arranged in the housing 310 and controls opening/closing operations of the electromagnetic valves V by controlling power distribution to the coil assembly bodies 1A, 1B; and connection terminals 40A, 40B electrically connected to the circuit board 301. The respective connection terminals 40A, 40B of the respective coil assembly bodies 1A, 1B are aligned in a straight line with respect to the opposite surface in a state that ends of the respective coil assembly bodies 1A, 1B are made to face each other, and to be arranged in parallel. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle brake hydraulic pressure control device.

In a vehicle brake system, a vehicular brake fluid pressure control device that controls a brake fluid pressure applied to a wheel brake includes a base body in which a brake fluid passage is formed, an electromagnetic valve attached to one surface of the base body, Some include a coil assembly that surrounds the valve, a housing that covers the solenoid valve and the coil assembly, and a wiring board disposed in the housing.
In such a vehicle brake fluid pressure control device, an electronic component mounted on the wiring board controls the energization of the coil assembly to open and close the solenoid valve, thereby changing the brake fluid pressure in the brake fluid passage. The braking force of the wheel brake is controlled.

  The coil assembly includes a yoke, a bobbin disposed in the yoke, and a coil wound around the bobbin, and by attaching a connection terminal connected to the coil to the wiring board, the coil assembly And the wiring board are electrically connected. Such a coil assembly is attached to the wiring board as many as the number of solenoid valves required by the vehicle brake fluid pressure control device, and each solenoid valve is inserted around the center hole of each bobbin. Placed in. Each solenoid valve is opened and closed by energizing each coil from the wiring board.

  By the way, in the conventional vehicle brake hydraulic pressure control device, in order to increase the efficiency of the installation space of the coil assembly on the wiring board, a plurality of coil assemblies are arranged in two rows on the wiring board, or the connection terminals Is provided on one side of the coil assembly, and a pair of coil assemblies are arranged in parallel so that these connection terminals are on the same side (for example, see Patent Documents 1 and 2). ).

JP 2008-195373 A JP-A-9-115720

In the above-described vehicle brake hydraulic pressure control devices disclosed in Patent Documents 1 and 2, it is necessary to provide two rows of insertion holes on the wiring board along the arrangement of the coil assemblies in which the connection terminals are inserted. It was. For this reason, the arrangement efficiency of the components mounted on the wiring board is deteriorated. As a result, it is necessary to make a large installation space on the wiring board, resulting in a problem that the mounting efficiency of other electronic components is lowered.
In addition, this has a problem that the wiring board is increased in size and, consequently, the vehicle brake hydraulic pressure control device is increased in size.

  Therefore, in the present invention, the above-described problems can be solved, the mounting efficiency of electronic components on the wiring board can be improved, and the vehicle brake hydraulic pressure control device can be downsized. It is an object to provide an apparatus.

  In order to solve the above-described problems, the present invention provides a plurality of solenoid valves attached to one surface of a substrate having a liquid passage formed therein, a plurality of coil assemblies attached to the plurality of solenoid valves, and one surface of the substrate. A housing that covers the electromagnetic valve and the coil assembly, and a wiring board that is disposed in the housing and controls the opening and closing operation of the electromagnetic valve by controlling energization to the plurality of coil assemblies. And each coil assembly has a connection terminal that is electrically connected to an insertion hole formed in the wiring board, and a tip portion of each connection terminal is formed by the coil assembly. Are arranged so as to be arranged in a straight line in a state of being opposed to each other.

In this vehicle brake hydraulic pressure control device, the contact points between the connection terminals and the wiring board can be arranged in a straight line. As a result, it is possible to efficiently secure a mounting area for electronic components mounted on the wiring board, and to efficiently form patterning. Therefore, it is possible to reduce the size of the wiring board, and consequently, to reduce the size of the vehicle brake hydraulic pressure control device.
In addition, since each connection terminal of each coil assembly is arranged on a straight line in a direction along the opposing surface of each coil assembly, the assembly work of each coil assembly can be easily performed. Production efficiency can be improved.

  The connection terminal may be configured to extend from the end toward the wiring board while having a plurality of bent portions.

  In this vehicle brake hydraulic pressure control device, since the connection terminal has a plurality of bent portions and extends from the end toward the wiring board, vibration and stress caused by running of the vehicle and the like are not generated. Even if it is transmitted from the wiring board side or the electromagnetic valve side to the coil assembly, this can be relaxed (absorbed), and the electrical connection between the coil assembly and the wiring board can be maintained well. Accordingly, a vehicle brake hydraulic pressure control device with high operation reliability can be obtained.

  In addition, the connection terminal has a press-fit portion that is press-fitted into an insertion hole formed in the wiring board, so that it is relatively large compared to other electronic components. The coil assembly can be mounted on the wiring board by a simple method by press fitting. Therefore, the process can be simplified and the production efficiency can be improved.

  In the configuration in which the connection terminal is fixed to the insertion hole formed in the wiring board with solder, the insertion hole can be formed so as to be aligned with the wiring board. Soldering work related to assembly is completed in one row, and work efficiency is good.

  According to the vehicle brake hydraulic pressure control device of the present invention, it is possible to improve the mounting efficiency of the electronic components on the wiring board, and to downsize the vehicle brake hydraulic pressure control device.

It is the disassembled perspective view which showed the brake hydraulic pressure control apparatus for vehicles of one Embodiment. It is the exploded side sectional view showing the brake fluid pressure control device for vehicles of one embodiment. 1 is a partially cut-away side sectional view showing a vehicle brake hydraulic pressure control apparatus according to an embodiment. (A) is a front view of a wiring board, (b) is a front view of the wiring board showing the mounting position of the coil assembly in a wiring board. (A) is an expansion perspective view of a coil assembly, (b) is a perspective view when a connection terminal is seen from an angle different from FIG. 5 (a). It is a figure which shows a coil assembly, (a) is a top view of FIG. 6, (b) is a rear view, (c) is a left side view, (d) is a front view, (e) is a right side view. It is a figure which shows a pair of coil assembly of the state arrange | positioned facing, (a) is a perspective view of the state which separated the coil assemblies, (b) is the state which made the coil assemblies close to an assembly state It is a perspective view. It is a figure which shows a pair of coil assembly of the state arrange | positioned facing, (a) is the perspective view which showed the coil assembly of one Embodiment 2 embodiment. It is a model perspective view which shows the mounting state of the coil assembly with respect to a wiring board. It is a partially cut sectional view showing the mounting state of the coil assembly with respect to the wiring board when viewed from the bottom side.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the description of each embodiment, the same constituent elements are denoted by the same reference numerals, and redundant descriptions are omitted.

[Configuration of vehicle brake fluid pressure control device]
As shown in FIG. 1, the vehicle brake hydraulic pressure control device U detects the behavior of the base body 100 on which the electromagnetic valve V, the motor 200, the reciprocating pump P and the like are assembled, and the vehicle body (not shown). And an electronic control unit 300 having a wiring board 301 that controls the opening and closing and the operation of the motor 200.
A brake fluid passage (oil passage) (not shown) through which brake fluid as hydraulic fluid flows is formed in the base body 100, and an electromagnetic valve is formed by electronic components mounted on the wiring board 301 based on the behavior of the vehicle body. By operating V and the motor 200, the brake fluid pressure in the brake fluid passage is changed.
In the present embodiment, the solenoid valves V are arranged in two rows in the upper and lower directions in the width direction of the base body 100.

(Base structure)
As shown in FIG. 1, the base body 100 is a metal part formed in a substantially rectangular parallelepiped shape, and a brake fluid path (oil path) is formed therein.
A plurality of bottomed mounting holes 110 to which the electromagnetic valve V is mounted are formed in the front surface 101 on the front side of each surface of the base body 100.
The front surface 101 of the base body 100 is formed with two reservoir holes 111 into which the reservoir component R constituting the reservoir is assembled.
Further, on the upper surface 102 of the base body 100, an outlet port 112 and the like to which pipes leading to wheel brakes (not shown) are connected are formed.
Further, the side surface 103 of the base body 100 is formed with a pump hole 113 in which the reciprocating pump P is mounted, a damper hole 113a that is closed by the cap C, and the like.
The holes provided in the base body 100 communicate with each other directly or through a brake fluid passage (not shown) formed in the base body 100.

(Motor configuration)
The motor 200 is an electric component that serves as a power source for the reciprocating pump P, and is integrally fixed to the rear surface 104 of the base body 100 as shown in FIG.
The output shaft 210 of the motor 200 is provided with an eccentric shaft portion 211, and a ball bearing 212 is fitted on the eccentric shaft portion 211. The eccentric shaft portion 211 and the ball bearing 212 are inserted into the motor mounting hole 114 (see FIG. 2) of the base body 100.
A motor bus bar 220 for supplying electric power to a rotor (not shown) is connected to the motor 200. The motor bus bar 220 is inserted into the terminal hole 114a of the base body 100, protrudes to the front surface 101 side of the base body 100, and is connected to a connection portion 310a provided on the inner surface of the housing body 320 of the electronic control unit 300 (FIG. 3). reference).

(Configuration of electronic control unit)
As shown in FIG. 1, the electronic control unit 300 includes a wiring board 301 and a housing 310 that houses the electromagnetic valve V and the motor bus bar 220 protruding from the wiring board 301 and the base body 100.

  The wiring board 301 is obtained by mounting an electronic component such as a semiconductor chip (not shown) on a rectangular board body on which an electric circuit is printed. The wiring board 301 includes coil assemblies 1A and 1B (see FIG. 2) and a motor bus bar 220 mounted on the wiring board 301 based on information obtained from various sensors (not shown) and programs stored in advance. Is used to control the energization of the motor 200 to control the opening / closing operation of the electromagnetic valve V and the driving of the motor 200.

As shown in FIG. 4A, a plurality of insertion holes 302 are formed in the wiring board 301 along a straight line in the longitudinal direction (left-right direction) of the wiring board 301. In these insertion holes 302, connection terminals 40A and 40B of coil assemblies 1A and 1B to be described later are arranged in a straight line, and are respectively provided with crimping portions 46 (FIG. 5A shown in FIG. ) (See (b)) is inserted by pressure welding.
In the present embodiment, as shown in FIG. 4B, a pair of coil assemblies 1A and 1B are respectively arranged at the upper and lower positions so as to sandwich the row of insertion holes 302 aligned in a straight line. ing. As a configuration for that purpose, as will be described later, the connection terminals 40A and 40B provided on the coil assemblies 1A and 1B are arranged in parallel with the coil assemblies 1A and 1B facing each other (FIG. 7 ( It is configured to be aligned on a straight line in (b). Details of the coil assemblies 1A and 1B will be described later.

The housing 310 is a resin box. As shown in FIG. 2, the housing 310 includes a housing main body 320 and a cover 330 that closes the front opening of the housing main body 320, and protrudes from the front surface 101 of the base body 100. V, the motor bus bar 220, and the reservoir hole 111 are formed to cover the protruding portion 111A that protrudes from the front surface 101 of the base body 100 and is integrally fixed to the front surface 101 of the base body 100 (see FIG. 3).
The housing body 320 has a rectangular tube shape in which a surface (the left surface in FIG. 2) attached to the front surface 101 of the base body 100 and an opposite surface (the right surface in FIG. 2) are opened. The opposite surface is covered with a cover 330.
The solenoid part V1 of the electromagnetic valve V protruding from the base body 100 and the coil assemblies 1A and 1B attached to the solenoid part V1 are located in the interior of the housing body 320. Further, on the inner surface of the housing main body 320, a connection portion 310a to which the tip end portion of the motor bus bar 220 is electrically connected is provided. In addition, an electronic component or the like mounted on the front surface side of the wiring board 301 is accommodated in the internal space of the housing main body 320 on the front surface side (side facing the cover 330) from the wiring substrate 301.

The cover 330 is a resin lid having a U-shaped cross section that seals the opening of the housing main body 320, and is fixed to the end surface of the housing main body 320 by means such as welding or adhesion.
In the present embodiment, the wiring board 301 is accommodated in the inner space of the cover 330 by being fixed by a fixing means (not shown). The coil assemblies 1A and 1B located in the housing main body 320 are connected to the wiring board 301 by connection terminals 40A and 40B described later that extend toward the wiring board 301, and the main bodies of the coil assemblies 1A and 1B. Between the wiring board 301 and the wiring board 301, spaces K1 and K2 are formed as shown in FIG. The spaces K1 and K2 can function as storage spaces for electronic components and the like mounted on the wiring board 301.
Further, a connection terminal 310 b extends from the connection portion 310 a of the housing main body 320 toward the wiring substrate 301, and a tip end portion thereof is electrically connected to the wiring substrate 301 in the cover 330.

[Configuration of coil assembly]
The pair of coil assemblies 1A and 1B are attached to the wiring board 301 in a state where the end portions on which the connection terminals 40A and 40B are provided face each other (see FIG. 7B). The coil assemblies 1A and 1B have the same configuration. For example, the coil assembly 1 </ b> B is obtained by rotating one coil assembly 1 </ b> A around the axis of the coil 30 and arranging it in parallel. In the following description, one coil assembly 1A will be described as an example.

  As shown in FIG. 5A, the coil assembly 1A includes a yoke 10, a bobbin 20 disposed in the yoke 10, a coil 30 wound around the bobbin 20, and connection terminals 40A and 40B. I have. As shown in FIG. 3, the coil assembly 1A is an electrical component housed in the housing 310 in a state of surrounding the solenoid portion V1 of the solenoid valve V, and is connected to the wiring board 301 via the connection terminals 40A and 40B. Thus, the coil 30 is energized to generate a magnetic field around the solenoid valve V.

(Yoke configuration)
The yoke 10 is made of a magnetic metal material, and, as shown in FIG. 5A, a square tube having an upper end wall portion 11, a lower end wall portion 12, and left and right side wall portions 13 and 13. It is a magnetic material that improves the magnetic efficiency of the coil 30. The upper end wall part 11, the lower end wall part 12 and the both side wall parts 13 and 13 form a rectangular wall surface, and a bobbin is formed in a space surrounded by the upper end wall part 11, the lower end wall part 12 and the both side wall parts 13 and 13. 20 are accommodated.
The upper end wall portion 11 serves as a facing surface that faces the mounting surface of the wiring board 301 (see FIGS. 2 and 3).

In this embodiment, the yoke 10 is comprised by combining the flat upper end wall part 11 with the U-shaped bending board member which makes the lower end wall part 12 and the both-side wall parts 13 and 13. As shown in FIG.
A circular hole 11 a is formed at the center of the upper end wall 11, and a hole (not shown) of the same size is formed at the center of the lower end wall 12.

(Bobbin configuration)
As shown in FIGS. 6C and 6E, the bobbin 20 has a cylindrical portion 21 and flanges 22a and 22b formed on both upper and lower ends of the cylindrical portion 21 (see FIGS. 5A and 6A). ). A circular center hole 21a (see FIG. 6A) passes through the center of the bobbin 20.
The bobbin 20 is accommodated in the yoke 10, the upper flange portion 22 a is attached to the lower surface of the upper end wall portion 11, and the lower flange portion 22 b is attached to the upper surface of the lower end wall portion 12. The center hole 21a of the bobbin 20 communicates with the hole 11a of the upper end wall 11 and the hole (not shown) of the lower end wall 12.

In the present embodiment, as shown in FIG. 6A, the upper flange portion 22 a of the bobbin 20 protrudes in the front-rear direction from the upper end wall portion 11 of the yoke 10.
Further, in the upper flange portion 22a, the base end portions of the two connection terminals 40A and 40B are respectively supported at the portion protruding rearward from the upper end wall portion 11, that is, the end portion (rear) of the upper end wall portion 11. A terminal support portion 25 is formed. This terminal support part 25 is a square protrusion part, and the base end part of connection terminal 40A, 40B is embed | buried by insert molding.

As shown in FIGS. 5 and 6, the connection terminals 40 </ b> A and 40 </ b> B are rod-shaped metal parts whose base end portions are embedded in the terminal support portions 25, respectively. It arrange | positions at intervals and each stands up from the upper surface of the terminal support part 25 toward upper direction.
The connection terminal 40A and the connection terminal 40B have different shapes, but as shown in FIG. 6D, the base end portion is bent to the right side while being supported by the terminal support portion 25. However, it is common in that it has a shape that extends upward.

Specifically, as illustrated in FIGS. 5A and 5B, the connection terminal 40 </ b> A rises upward from the terminal support portion 25, and is bent obliquely upward to the right at the first bent portion 41. The second bent portion 43 is bent so as to bend obliquely rearward, and thereafter, the third bent portion 43 is bent so as to rise upward.
Further, the connection terminal 40B rises upward from the terminal support portion 25, bends in the right horizontal direction at the first bent portion 44, and then is bent so as to draw an arc backward in the horizontal state. The second bent portion 45 is bent so as to rise upward.

A crimping portion 46 swelled in an annular shape is formed at the tip (upper end) of each connection terminal 40A, 40B. The crimping portion 46 constitutes a press-fit connector (press-fit portion) to be fitted and crimped into the insertion hole 302 of the wiring board 301 (see FIG. 4B).
In the present embodiment, the connection terminals 40A and 40B are bent as described above, so that the crimp portions 46 and 46 of the connection terminals 40A and 40B are seen in a plan view as shown in FIG. Thus, it is set so as to be positioned on the rear side by a predetermined distance L1 from the end portion (terminal support portion 25) of the upper end wall portion 11.

Here, as will be described later, when the terminal support portions 25 of the coil assemblies 1A and 1B are opposed to each other (see FIG. 7B), the predetermined distance L1 is in the direction along the facing surface. The distance is such that the connection terminals 40A and 40B (crimping portions 46 and 46) are aligned on a straight line.
In addition, the connection terminals 40A and 40B are bent as described above, so that the connection terminals 40A and 40B are arranged between the connection terminals 40B and 40B as shown in FIG. , 40A is arranged to be located.
That is, as shown in FIG. 7B, when the plane orthogonal to the wiring substrate 301 (see FIG. 4) is the reference plane P, the connection terminals 40A and 40B are located on both sides of the reference plane P. (See FIG. 4 (b)). The crimp portions 46 and 46 of the connection terminals 40A and 40B are located on the reference plane P, and the insertion hole 302 is located on the intersection line between the wiring board 301 and the reference plane P.

  5A, the connection portions 40a and 40b formed at the base end portions of the connection terminals 40A and 40B protrude from the left and right side surfaces of the terminal support portion 25 to the side.

(Coil configuration)
The coil 30 is an electric wire wound around the cylindrical portion 21 of the bobbin 20 (see FIG. 5B). Both ends of the coil 30 are wound around the connection portions 40a and 40b of the connection terminals 40A and 40B, respectively, and the coil 30 and the connection terminals 40A and 40B are electrically connected. In the present embodiment, illustration of a state in which both end portions of the coil 30 are wound around the connection portions 40a and 40b of the connection terminals 40A and 40B is omitted.

[Mounting structure of coil assembly]
In the vehicle brake hydraulic pressure control device U of the present embodiment, as shown in FIGS. 7 (a) and 7 (b), the coil assemblies 1A and 1B are connected in parallel with the coil assemblies 1A and 1B arranged in parallel. The terminals 40A and 40B are press-fitted and inserted into the insertion holes 302 formed in the wiring board 301 (see FIG. 4B, FIG. 9 and FIG. 10). Thus, the coil assemblies 1A and 1B and the wiring board 301 are electrically connected by press-fitting the connection terminals 40A and 40B to the wiring board 301.
Here, in the state where the coil assemblies 1A and 1B are arranged in parallel, as shown in FIG. 7B, the crimping portions 46 and 46 of the connection terminals 40A and 40B are opposed to the coil assemblies 1A and 1B. Since they are aligned on a straight line in the direction along the surface, when these are inserted into the insertion holes 302 of the wiring board 301, they are easy to apply and the insertion work is easy to perform.

  According to the vehicle brake hydraulic pressure control device U of the present embodiment described above, the contact points (insertion holes 302) between the connection terminals 40A and 40B and the wiring board 301 can be arranged in a straight line. Accordingly, it is possible to efficiently secure a mounting area for electronic components mounted on the wiring substrate 301 and to efficiently form patterning. Therefore, it is possible to reduce the size of the wiring board 301, and consequently, it is possible to reduce the size of the vehicle brake hydraulic pressure control device U.

  Moreover, since each connection terminal 40A, 40B of each coil assembly 1A, 1B is configured to be aligned on a straight line in a direction along the opposing surface of each coil assembly 1A, 1B, each coil assembly 1A, The assembly work of 1B can be easily performed, and the production efficiency can be improved.

  Further, since the connection terminals 40A and 40B have a plurality of bent portions 41 and the like and are extended toward the wiring board 301, vibrations and stresses caused by traveling of the vehicle or the like are caused on the wiring board 301 side or Even if it is transmitted from the solenoid valve V side to the coil assemblies 1A and 1B, it can be mitigated (absorbed), and the electrical connection between the coil assemblies 1A and 1B and the wiring board 301 can be maintained well. it can. Therefore, the vehicle brake hydraulic pressure control device U with high operation reliability can be obtained.

  In addition, the crimping portions 46 and 46 of the connection terminals 40A and 40B have press-fit portions that are press-fit into the insertion holes 302 formed in the wiring board 301, so that they are relatively smaller than other electronic components. The large coil assemblies 1A and 1B can be mounted on the wiring board 301 by a simple method by press-fitting. Therefore, the process can be simplified and the production efficiency can be improved.

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said one Embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, the connection terminals 40A and 40B may be configured to be fixed to the insertion holes 302 formed in the wiring board 301 with solder. Also in this example, since the insertion holes 302 are formed in a straight line on the wiring board 301, the soldering work relating to the assembly of the coil assemblies 1A and 1B can be performed in a single row, and work efficiency can be improved. The effect that is good is acquired.

In addition, the connection terminal 40A and the connection terminal 40B have been described as having different shapes, but the present invention is not limited to this, and may have the same shape.
Further, the connection terminal 40A and the connection terminal 40B have been described as being shaped to extend upward while being bent to the right while being supported by the terminal support portion 25, but are not limited thereto. It is good also as a shape made to extend upwards while bending to the left side. Also in this case, by arranging the connection terminals 40A and the connection terminals 40B so that the coil assemblies 1A and 1B are arranged in parallel and arranged on a straight line along the facing surface, the wiring board 301 is arranged. It is possible to efficiently secure a mounting area for the electronic component mounted thereon, and to efficiently form patterning. As a result, the wiring board 301 can be reduced in size, and as a result, the vehicle brake hydraulic pressure control device U can be reduced in size.

  Moreover, although the connection terminals 40A and 40B are provided at the end (rear) of the upper end wall portion 11, the connection terminals 40A and 40B are not limited to this and may be provided at other locations such as the upper end wall portion 11.

  In the above embodiment, four coil assemblies 1A and 1B are arranged in the width direction of the base body 100 (longitudinal direction of the wiring board 301), and the connection terminals 40A and 40B are all arranged in a straight line. However, the present invention is not limited to this, and when the installation position of the solenoid valve V is different, the connection terminals 40A and 40B are arranged in a straight line in a unit of the pair of coil assemblies 1A and 1B arranged opposite to each other. The contact points between the connection terminals 40A and 40B and the wiring board 301 may be arranged on a straight line.

Further, as shown in FIG. 1, the vehicle brake hydraulic pressure control device U according to the embodiment uses eight solenoid valves V..., But the number of solenoid valves V is not limited. .
The vehicle brake hydraulic pressure control device U can be applied to various types of vehicles such as motorcycles, automatic tricycles, bar handle type vehicles such as all terrain vehicles (ATV), and automobiles.

DESCRIPTION OF SYMBOLS 1A, 1B Coil assembly 20 Bobbin 30 Coil 40A Connection terminal 40B Connection terminal 46 Crimp part 100 Base body 200 Motor 300 Electronic control unit 301 Wiring board 302 Insertion hole 310 Housing 320 Housing main body 330 Cover U Brake brake hydraulic pressure control device V Solenoid valve V1 Solenoid part

Claims (4)

A plurality of solenoid valves attached to one surface of a substrate having a liquid passage formed therein;
A plurality of coil assemblies attached to the plurality of solenoid valves;
A housing fixed to one surface of the base body and covering the solenoid valve and the coil assembly;
A wiring board disposed in the housing and controlling energization of the plurality of coil assemblies to control the opening / closing operation of the solenoid valve,
Each of the coil assemblies has a connection terminal that is electrically connected to the wiring board;
The vehicular brake hydraulic pressure control device is configured such that the distal end portions of the connection terminals are arranged in a straight line in a state where the coil assemblies are arranged to face each other.   2. The vehicle brake hydraulic pressure control device according to claim 1, wherein the connection terminal has a plurality of bent portions and extends from the end toward the wiring board. 3.   3. The brake hydraulic pressure control for a vehicle according to claim 1, wherein the connection terminal has a press-fit portion that is press-fitted into an insertion hole formed in the wiring board. 4. apparatus. The vehicular brake hydraulic pressure control device according to claim 1, wherein the connection terminal is fixed to an insertion hole formed in the wiring board with solder.

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