JP3598579B2 - Solenoid valve block - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a solenoid valve block power distribution device used for various devices such as an anti-skid device for vehicles, a traction control device, or an anti-skid device for aircraft.
[0002]
[Prior art]
Conventionally, in this type of solenoid valve block, for example, as disclosed in Japanese Patent Application Laid-Open No. 63-180550, an electrical connection between the solenoid of the solenoid valve and the terminal of the connector via a connecting pin, a flexible wire, a pin plug, and the like. There is known an apparatus for making a general connection.
[0003]
[Problems to be solved by the invention]
However, in the above-described device, the number of components for connecting the solenoid of the solenoid valve to the terminal of the connector is large, and the structure is complicated. Therefore, it is difficult to reduce the size and weight of the device, and the manufacturing cost increases. There is a problem.
In addition, the device lacks reliability and has poor workability in assembling because of many electrical connections.
[0004]
Accordingly, it is an object of the present invention to provide a device which aims to reduce the number of components of an electrical connection member of an electromagnetic valve block, makes the electrical connection structure simpler, and reduces the size, weight and cost. And to provide a highly reliable solenoid valve block.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the configuration of the present invention includes a plurality of solenoid valves, a housing for housing the plurality of solenoid valves therein, and an electrical connection between the solenoid valves housed in the housing and the outside. To do so, in an electromagnetic valve block comprising an electrical connection member disposed in the housing , the solenoid valve block is provided with a motor for driving a pump adjacent to the housing, and the electrical connection member includes: in order to perform the electrical connection between the solenoid valves and the motor and the outside, is disposed within the housing, hierarchically arranged at least a portion of the electrical connection member, the electrical wiring structure is formed three-dimensionally the three-dimensional The electrically connected part of the electrically connected member and the electric connection of the motor are part of the electrically connected member located below the surface where the other part of the electrically connected member is located. First fold A bent portion is provided to bend upward at a right angle, and is disposed above the surface on which the other portion is located. Thereafter, a second bent portion is provided to lie in a plane parallel to the surface on which the other portion is located. And a connection part with the motor is formed, and a part of the three-dimensionally formed electric connection member and the motor are electrically connected at the connection part. I do.
[0006]
Further, in the configuration of the second invention, the electric connection member is constituted by one plate member formed into a predetermined shape, and a part of the plate member is substantially parallel to another part of the plate member. The electric wiring structure is formed three-dimensionally by folding the electric wiring structure up to the above.
[0007]
A third aspect of the invention is characterized in that, after the electrical connection member is disposed in the housing, a predetermined portion is cut off and only a portion necessary for electrical connection is connected.
[0009]
[Action and effect]
The first operation of the present invention having the above configuration is to arrange at least a part of the electrical connection members in a hierarchical manner and to form the electrical wiring structure in a three-dimensional manner. The number of components required for the solenoid valve block can be reduced, and the size and weight of the solenoid valve block can be reduced, and the cost can be reduced. Another effect is to mount a motor for driving the pump adjacent to the housing and dispose the electric connection member in the housing so as to make an electric connection between the solenoid valve and the motor and the outside. The effect is that an actuator or the like in which the solenoid valve block and the motor are integrally formed can be reduced in size and weight. According to the present invention, it is possible to form the connection portion with the motor substantially at the center of the electrical connection member and above the surface of the portion of the electrical connection member different from the connection portion with the motor. The connection part with the motor and the terminal of the motor can be electrically connected well without contacting other connection parts. (Claim 1)
[0010]
The second effect is that the electrical connection member is constituted by a single plate member formed into a predetermined shape, and a part of the plate member is bent until it is substantially parallel to the other parts of the plate member. The effect is that the electric wiring structure is formed three-dimensionally. The effect is that the electric connection member can be constituted by one plate, so that connection pins, flexible wires, pin plugs and the like are required for electric connection. In other words, the size and weight of the solenoid valve block can be reduced, and the cost can be reduced.
Further, assembling workability is improved, and the reliability of the device can be improved. (Claim 2)
[0011]
The third effect is to cut off a predetermined portion and connect only a portion necessary for electrical connection after arranging the electrical connection member in the housing. The effect thereof is the workability of assembly and the device. Is to further improve the size and weight of the device. (Claim 3)
[0013]
【Example】
Hereinafter, the present invention will be described based on specific examples.
1 to 3 show a configuration in which an electromagnetic valve block 50 according to an embodiment of the present invention is applied to an actuator 100 of an anti-skid device for a vehicle. FIG. 1 is a front view, and FIG. FIG. 3 shows a right side view, and FIG. 3 shows a plan view.
FIG. 8 shows a hydraulic circuit configuration of the anti-skid device. The anti-skid device includes a master cylinder M / C provided on the vehicle and wheel cylinders provided on left and right front wheels (FL and FR) and left and right rear wheels (RL and RR). The actuator 100 is interposed between W / C-FL, W / C-FR, W / C-RL, and W / C-RR.
[0014]
As shown in FIGS. 1 to 3, the actuator 100 mainly includes a master cylinder M / C (see FIG. 8) and wheel cylinders W / C-FL, W / C-FR, and W / C-RL. , W / C-RR (see FIG. 8), a housing 1 (corresponding to a housing) in which a hydraulic circuit is formed, and pressure-increasing solenoid valves 17a to 20a and pressure-reducing solenoid valves 17b to 20b (corresponding to solenoid valves) A connector C1 and C2 for connection to the outside; a case 2 (corresponding to a housing) for accommodating the pressure-intensifying solenoid valves 17a to 20a and the pressure-reducing solenoid valves 17b to 20b together with the housing 1; A case terminal 3 (corresponding to an electric connection member) for electrically connecting the valves 17a to 20a and the pressure reducing solenoid valves 17b to 20b, the motor M, and the connectors C1 and C2, and the case 2 and the case A cover 6 for protecting the null 3, a motor M (corresponding to a motor) for driving a pump for pressurizing the brake oil pressure, and pumps P 1 and P 2 (not shown) driven by the motor M to press the brake oil pressure. ), Reservoirs R1 and R2, and a reservoir case 4 for storing the reservoirs R1 and R2.
[0015]
In the above configuration, the housing 1, the case 2, the case terminal 3, the pressure increasing solenoid valves 17a to 20a, the pressure reducing solenoid valves 17b to 20b, and the cover 6 constitute the solenoid valve block 50.
Each of the pressure-intensifying solenoid valves 17a to 20a mainly includes a solenoid unit 17as to 20as and a valve unit 17av to 20av.
Similarly, the decompression solenoid valves 17b to 20b are mainly composed of solenoid units 17bs to 20bs and valve units 17bv to 20bv, respectively.
[0016]
The housing 1 has an MC port 31 (FR, RL) for connection with the master cylinder M / C and each wheel cylinder W / C-FL, W / C-FR, W / C-RL, W / C-RR. Systems), 32 (FL and RR systems), FL port 33, FR port 36, RL port 35, and RR port 34 are provided.
MC ports 31 and 32 are connected to outlet ports of master cylinder M / C, and FL port 33, FR port 36, RL port 35 and RR port 34 are wheel cylinders W / C-FL and W / C-, respectively. FR, W / C-RL, and W / C-RR (see FIG. 8).
[0017]
Hereinafter, the function of the actuator 100 will be described based on the structural diagrams of FIGS. 1 to 3 and the hydraulic circuit diagram of FIG.
In the housing 1, brake pipelines 41a and 41b are provided for connecting the MC port 31 with the FR port 36 and the RL port 35, respectively, and brake pipes connecting the MC port 32 with the FL port 33 and the RR port 34 are provided. Lines 41c and 41d are provided.
Through the brake pipelines 41a to 41d, when the brake pedal BP is depressed, the brake hydraulic pressure from the master cylinder M / C is applied to each wheel cylinder W / C-FL when the pressure-intensifying solenoid valves 17a to 20a are opened. , W / C-FR, W / C-RL, and W / C-RR.
[0018]
In addition, in the housing 1, pressure-increasing pipelines 43a and 43b and pressure-reducing pipelines 42a to 42d are formed.
When the pump P1 is operated by driving the motor M by the pressure-intensifying pipeline 43a, the hydraulic oil from the reservoir R1 passes through the damper D1 as brake oil pressure, and is pressurized to the brake pipelines 41a and 41b.
Further, when the pump P1 is operated by the drive of the motor M by the pressure increasing pipeline 43b, the hydraulic oil from the reservoir R2 passes through the damper D2 as the brake oil pressure, and is pressurized to the brake pipelines 41c and 41d.
This means that each of the wheel cylinders W / C-FL, W / C-FR, W / C-RL, W / W-C-FL, W / C-FR, / C-RR means to increase the brake hydraulic pressure.
[0019]
On the other hand, the oil pressure to each wheel cylinder W / C-FL, W / C-FR is released into the reservoir R1 by opening the pressure reducing solenoid valves 17b, 18b by the pressure reducing pipelines 42a, 42b.
Further, the oil pressure to each of the wheel cylinders W / C-RL and W / C-RR is released into the reservoir R2 by opening the pressure reducing solenoid valves 19b and 20b by the pressure reducing pipelines 42c and 42d.
This means that each of the wheel cylinders W / C-FL, W / C-FR, W / C-RL, W / C-R under the opening of the decompression solenoid valves 17b to 20b via the decompression pipelines 42a to 42d. This means reducing the brake hydraulic pressure to RR.
[0020]
The configuration of the solenoid valve block 50 will be described.
Among the components of the solenoid valve block 50, the case 2 is formed of an insulating resin material, the front surface 2a thereof is in contact with the cover 6, and the rear surface 2b thereof is in contact with the housing 1. Are fastened by a plurality of screws 5.
The housing 1 is formed at a position corresponding to each of the pressure-intensifying solenoid valve storage portions 7ah to 10ah (not shown) and pressure-reducing pipelines 42a to 42d formed at positions corresponding to the pressure-increasing pipelines 43a and 43b, respectively. The pressure reducing solenoid valve housings 7bh to 10bh (not shown) are provided.
[0021]
Here, FIG. 4 is a front view of the case 2 and FIG. 5 is a rear view in which the solenoid units 17as to 20as of the pressure-intensifying solenoid valves 17a to 20a and the solenoid units 17bs to 20bs of the pressure-reducing solenoid valves 17b to 20b are attached to the case 2. Are shown below.
A case terminal 3 is arranged on a front surface 2 a of the case 2.
On the back surface 2b of the case 2, the valve unit housings 7ac of the booster solenoid valves 17a to 20a are provided at positions corresponding to the booster solenoid valves 7ah to 10ah and the pressure reducing solenoid valve housings 7bh to 10bh of the housing 1. To 10ac and the valve unit storage portions 7bc to 10bc of the pressure reducing electromagnetic valves 17b to 20b are provided.
[0022]
Solenoid units 17as to 20as of pressure-increasing solenoid valves 17a to 20a and solenoid units 17bs to 20bs of pressure-reducing solenoid valves 17b to 20b are attached to the valve unit storage portions 7ac to 10ac and 7bc to 10bc of the case 2, respectively. The valve units 17av to 20av of the pressure increasing solenoid valves 17a to 20a and the valve units 17bv to 20bv of the pressure reducing solenoid valves 17b to 20b are assembled.
Thus, the pressure-increasing solenoid valves 17a to 20a and the pressure-reducing solenoid valves 17b to 20b are arranged at predetermined positions, respectively, and housed inside the housing 1 and the case 2.
4 and 5 show the cut-out portion of the case terminal 3. The cut-out portion is cut out after the case terminal 3 is connected to the case 2 at a predetermined position on the case 2. In addition, electrical connection between parts that require electrical connection is enabled.
[0023]
Next, an electrical connection method and an assembling method of the pressure increasing solenoid valves 17a to 20a and the pressure reducing solenoid valves 17b to 20b and the case terminal 3 will be described below.
FIG. 7A is a cross-sectional view taken along the line FGHI of FIG. 4, and the solenoid unit 19bs of the pressure reducing solenoid valve 19b housed in the pressure reducing solenoid valve housing portion 9bc will be described as an example. I do. .
The solenoid unit 19bs is provided with a pair of solenoid terminals 19bt at the right end.
A positioning hole 21 is provided in the solenoid unit 19bs. The positioning hole 21 is directed downward in the drawing, and the center line of the solenoid terminal 19bt is rotated clockwise by a predetermined angle with respect to the center line of the case terminal 3. It is rotated and inserted into the pressure reducing solenoid valve housing 9b from the direction E in FIG. 7A (see FIG. 7B).
[0024]
Next, with the right end face of the solenoid unit 19bs excluding the solenoid terminal 19bt pressed against the case rib 2c, the position of the solenoid unit 19bs is kept. (See FIG. 7C).
According to the above method, the pressure reducing solenoid valve 19b and the case terminal 3 can be electrically connected.
[0025]
The case terminal 3 is formed by bending a predetermined portion of a single stamped conductive plate into a three-dimensional structure by bending, and includes a pressure-intensifying solenoid valve 17a to 20a and a pressure-reducing solenoid valve 17b to 20b. And a connector C1 and C2 and a motor M.
FIG. 6 shows the structure of the case terminal 3. FIG. 6A is a plan view and FIG. 6B is a front view.
Although the case terminal 3 is a single plate, a predetermined portion is bent and formed hierarchically and three-dimensionally.
[0026]
For example, at the bent portion 3a, after being bent substantially perpendicularly to the case terminal reference surface 3p as a reference surface of the case terminal 3 from the left end in the figure (see FIG. 7B), the case terminal reference surface is bent. It is formed parallel to the surface 3p.
In FIG. 6A, a portion formed by the bent portion 3a is shown by a hatched region, and the portion formed by the bent portion 3a is disposed below the case terminal reference surface 3p, so that the case terminal reference surface is formed. It is arranged at a predetermined position without contacting 3p.
[0027]
Similarly, at the bent portion 3b, after being bent substantially at right angles to the case terminal reference surface 3p from the left end in the figure (see the drawing (b)), it is formed parallel to the case terminal reference surface 3p. Is done.
Thus, the connection portion via the bent portion 3b is disposed at a predetermined position without contacting the connection portion via the bent portion 3a.
In the bent portion 3c, the bent portion 3c is bent substantially at right angles upward (see (b)) with respect to the case terminal reference surface 3p from the lower side of FIG. You.
Thereby, the connection part via the bent part 3c is arrange | positioned at a predetermined position, without contacting each connection part via the bent part 3a, 3b.
[0028]
Next, a method of forming the motor connecting portion 3m of the case terminal 3 for electrically connecting the case terminal 3 to the plus terminal M + of the motor M by bending the case terminal 3 as described above will be described with reference to FIGS. ).
First, a bent portion 3d is provided for a portion bent by the bent portion 3a and arranged below the case terminal reference surface 3p, and is provided below the case terminal reference surface 3p with respect to the case terminal reference surface 3p. The placed case terminal 3 is bent substantially perpendicularly upward.
Thereby, the case terminal 3 can be arranged from the lower side of the case terminal reference plane 3p to the upper side of the case terminal reference plane 3p.
[0029]
Thereafter, a bent portion 3e is provided, and the case terminal 3 is bent into a predetermined shape (in FIG. 6, a V shape) in a plane parallel to the case terminal reference surface 3p to form a motor connection portion 3m. it can.
In this manner, the motor connection portion 3m can be formed substantially at the center of the case terminal 3 and above the case terminal reference surface 3p.
The motor connection portion 3m of the case terminal 3 formed by the above method and the plus terminal M + of the motor M can be electrically connected well without contacting other connection portions (see FIG. 1).
In the present embodiment, the minus side of the motor M is configured to flow from the location of the minus terminal M− shown in FIG.
[0030]
As shown above, a predetermined portion of the case terminal 3 is bent to form a three-dimensional structure in a hierarchical manner, and an electrical connection portion of the case terminal 3 is arranged at a predetermined position of the case 2. By cutting off predetermined portions (cutout portions shown in FIGS. 4 and 5), the pressure-increasing electromagnetic valves 17a to 20a and the pressure-reducing electromagnetic valves 17b to 20b, the connectors C1 and C2, and the motor M are connected via the case terminal 3. The connection can be made only at the parts necessary for the electrical connection between them.
[0031]
In addition, by bending a predetermined portion of the case terminal 3 and forming the case terminal 3 hierarchically and three-dimensionally, a plurality of connection portions of the case terminal 3 can be arranged at a predetermined position without making contact with each other. it can.
By using the case terminals 3 formed hierarchically and three-dimensionally, the case terminals 3 can be arranged at locations where the electromagnetic valve block 50 needs to be electrically connected, and the electrical connections at the corresponding locations can be sufficiently achieved. Can be done.
[0032]
As described above, the case terminal 3 is formed of one plate, and a predetermined portion is bent to form a three-dimensional structure in a hierarchical manner, so that connection pins, flexible wires, Since a pin plug or the like is not required, the size and weight of the solenoid valve block 50 can be reduced, and the cost can be reduced.
Further, since the number of components required for the electrical connection can be reduced, the workability of assembling the solenoid valve block 50 is improved, and the reliability is also improved.
[0033]
In the above embodiment, the case terminal 3 is constituted by one plate. However, the present invention is not limited to this. The case terminal 3 is constituted by a plurality of parts, and a predetermined part of the part is bent. Even if it is used, it is sufficiently effective.
Further, in the above embodiment, after the case terminal 3 is arranged in the case 2, a predetermined portion is cut off and the electrical connection is performed. However, the present invention is not limited to this. May be configured to bend a press-punched plate and assemble it to the case 2 or to use a case terminal 3 from which a predetermined portion is cut in advance.
In the present embodiment, the solenoid valve block 50 and the motor M have been described as being integrally formed. However, the present invention is not limited to this, and the solenoid valve block 50 and the motor M may be separated. The motor M may not be used.
[0034]
As described above, according to the present invention, at least a part of the electrical connection members is arranged in a hierarchical manner, and the electrical wiring structure is formed three-dimensionally, thereby reducing the number of components required for electrical connection. The size and weight of the solenoid valve block can be reduced, and the cost can be reduced.
Further, the electric connection member is constituted by a single plate member formed in a predetermined shape, and a part of the plate member is bent until it is substantially parallel to the other part of the plate member, thereby forming an electric wiring structure. Is formed three-dimensionally, the electrical connection member can be constituted by one plate.
This eliminates the need for connecting pins, flexible wires, pin plugs, and the like for electrical connection, and can further reduce the number of components, thereby realizing a small, light, and low-cost solenoid valve block. it can.
This reduction in the number of parts improves the workability of assembling the solenoid valve block and also improves the reliability.
Furthermore, after the electrical connection member is disposed in the housing, a predetermined portion is cut off, and only a portion necessary for electrical connection is connected, thereby further improving the workability of assembly and the reduction in size and weight of the device. Can be done.
In addition, a motor for driving the pump is mounted adjacent to the housing, and an electric connection member is disposed in the housing so as to make an electric connection between the electromagnetic valve and the motor and the outside. An actuator or the like integrally formed with the motor can be reduced in size and weight.
[0035]
In the above embodiment, the case where the electromagnetic valve block 50 according to the present invention is applied to an anti-skid device is described. However, the present invention is not limited to this. For example, a traction control device or an aircraft anti-skid device may be used. Any device using an electromagnetic valve such as a skid device may be applied, and the applicable object is not limited.
[Brief description of the drawings]
FIG. 1 is a front view showing the configuration of a first embodiment according to the present invention.
FIG. 2 is a right side view showing the configuration of the first embodiment according to the present invention.
FIG. 3 is a plan view showing the configuration of the first embodiment according to the present invention.
FIG. 4 is a plan view showing a configuration of a case in the first embodiment according to the present invention.
FIG. 5 is a front view showing a configuration of a case in the first embodiment according to the present invention.
FIGS. 6A and 6B are a plan view and a front view showing the structure of the case terminal. FIGS.
FIGS. 7A and 7B are a structural diagram showing a cross-sectional structure of a case assembly, a detailed diagram of a case terminal and a solenoid terminal, and a structural diagram showing a connection structure between a case terminal and a solenoid terminal, respectively.
FIG. 8 is a circuit diagram showing a configuration of a hydraulic circuit in the first embodiment according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Housing 2 Case 3 Case terminal 4 Reservoir case 5 Screw 6 Cover 17a-20a Pressure increasing solenoid valve 17b-20b Pressure reducing solenoid valve 50 Solenoid valve block 100 Actuator

Claims (3)

A plurality of solenoid valves, a housing accommodating the plurality of solenoid valves therein, and an electric valve disposed in the housing for electrically connecting the solenoid valves housed in the housing to the outside. In a solenoid valve block including a connection member ,
A motor that drives a pump is attached to the solenoid valve block adjacent to the housing,
The electrical connection member is disposed in the housing to make an electrical connection between the solenoid valve and the motor and the outside,
At least a part of the electrical connection member is arranged hierarchically, and the electrical wiring structure is formed three-dimensionally ,
A part of the three-dimensionally formed electric connection member and the electric connection of the motor are arranged on the lower side of the surface of the other part of the electric connection member. A first bent portion is provided in a part, bent upward at a right angle, and disposed above a surface on which the other portion is located, and thereafter, a second bent portion is provided on a surface on which the other portion is located. It is bent in the shape of a letter in a parallel plane to form a connection part with the motor, and at this connection part, a part of the three-dimensionally formed electric connection member and the electric connection of the motor are formed. solenoid valve block, characterized in <br/> that went. The electrical connection member is composed of a single plate member formed into a predetermined shape,
By bending a portion of the plate member to a substantially parallel to the other portions of the plate member, the solenoid valve block according to claim 1, characterized in that the electrical interconnect structure is formed three-dimensionally . 3. The electromagnetic valve block according to claim 2, wherein after the electric connection member is disposed in the housing, a predetermined portion is cut off and only a portion necessary for the electric connection is connected. 4.

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