JP2589888Y2 - Harness disconnection prevention structure for solenoid valve - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harness disconnection preventing structure for a solenoid valve having an external harness.

[0002]

2. Description of the Related Art Conventionally, as a structure for preventing disconnection of a harness externally attached to a solenoid valve, for example, there is one shown in FIG. That is, the electromagnetic valve main body 62 fixed to the bracket 61 made of a plate-shaped member includes a large-diameter portion 63 and a small-diameter portion 64 having a substantially central cylindrical shape and the same central axis. A well-known solenoid (not shown) composed of a bobbin and a coil wound on the bobbin is accommodated in the large-diameter portion 63. As shown in FIG. The wiring portion 65 protruding from the bobbin is exposed. The wiring section 65 has a terminal 66 connected to a coil (not shown), and a core wire 68 of a harness 67 is soldered to the terminal 66. A connection portion 69 between the terminal 66 and the core wire 68 is surrounded and protected by a harness cap 70 externally fitted to the wiring portion 65, and a harness 67 is provided between the harness cap 70 and the wiring portion 65. A hole 72 into which the insulating portion 71 is loosely inserted is formed.

The harness 67 is connected to the large diameter portion 6.
After being routed along 3, it is fixed to the bracket 61 by a harness clip 73 provided on the bracket 61. Therefore, after the harness 67 is attached to the solenoid valve main body 62, when performing a post-process such as attaching a connector to the free end side of the harness 67, the vicinity of the connection portion 69 between the terminal 66 and the core wire 68 Is not bent, and disconnection of the harness 67 at the fragile portion P is prevented.

[0004]

However, in such a conventional harness disconnection preventing structure, when connecting the electromagnetic valve main body 62 and the harness 67, the harness 67 is not connected.
To the bracket 6 via the harness clip 73.
Therefore, it is necessary to perform an operation of fixing the solenoid valve to 1, which has been a factor of reducing the operation efficiency in the manufacturing process of the solenoid valve.

In addition, the bracket 61 must be provided with a harness clip 73, which raises a problem that the manufacturing cost of the bracket 61, that is, the solenoid valve is increased.

[0006] The present invention has been made in view of such circumstances, and improves the working efficiency in the manufacturing process.
Further, an object of the present invention is to provide a structure for preventing a harness disconnection of an electromagnetic valve, which makes it possible to reduce the manufacturing cost of the electromagnetic valve.

[0007]

According to the present invention, a wiring portion having a terminal connected to a coil is provided on an outer periphery of a solenoid valve body, and a harness is connected to the terminal. On the other hand, in a structure in which a connection portion between the terminal and the harness is insulated and protected by a harness cap, the harness cap faces the solenoid valve body.
An opening for receiving the wiring portion;
And a harness projecting in a direction in which the harness extends.
And a lower housing part for housing the insulating part side of the lower part.
At the bottom of the harness cap that forms the housing,
Opened toward the solenoid valve body and connected to the wiring section
Expands to allow passage through the insulation of the harness
And the insulation of the harness passing through the passing portion
Part is notch comprising a storage portion for storing is provided.

[0008]

In the above construction, even when the harness is pulled or bent, such as when a connector is attached to the front end side of the harness , the harness insulating side is connected to the harness.
Housed in the bottom forming the lower housing of the cap
Depending on Rukoto, harness is prevented from bending in the vicinity of the connecting portion of the terminal. Also, the harness cap
When installing, place the harness cap on the outer peripheral side of the solenoid valve body.
From the harness, the insulation of the harness
Surrounded by the bottom forming the lower housing of the scap
State.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are external views of a solenoid valve using the present invention. The solenoid valve main body 1 has a large diameter portion 2 and a small diameter portion 3 which have the same central axis and are integrally formed and have a substantially cylindrical shape. And A well-known solenoid (not shown) composed of a bobbin and a coil wound around the bobbin is accommodated in the large diameter portion 2.
The wiring part 4 formed integrally with the bobbin is projected. As shown in FIG. 3, a terminal 5 connected to a lead wire of a coil (not shown) and claws 6 and 6 are provided on the wiring portion 4, and a core wire 8 of a harness 7 is soldered to the terminal 5. . A connection portion 9 between the terminal 5 and the core wire 8 is surrounded and protected by a harness cap 10 externally fitted and fixed to the wiring portion 4.

As shown in FIGS. 1 to 5, the harness cap 10 is a hollow member made of resin opened in a direction facing the solenoid valve main body 1, and is formed of a harness 7 connected to the terminal 5. A first accommodating portion 11 for accommodating an upper portion of the core wire 8,
Second housing section 12 for housing wiring section 4, harness 7
Have a third housing portion 14 for accommodating the insulating portion 13 side
You. The first and second receiving portions 11 and 12 are located on the upper side of the present invention.
A constitutes the accommodating portion, the holes 15, 15 in the second housing portion 12 that engages the pawl 6,6 of the wiring portion 4 is provided. In addition, the third accommodating portion 14 is located on the lower side of the present invention.
It constitutes a storage part, and the third storage part 14 is
The harness 7 protrudes from the second housing portion 12 in the extending direction of the harness 7 . Harnessi forming the third housing 14
The bottom 10 a of the cap 10 is opened toward the solenoid valve body 1.
A substantially rectangular passing portion 16 that is released, and is continuous with the passing portion 16.
A notch 18 comprising a substantially circular accommodation portion 17 is provided , and the insulating portion 1 of the harness 7 is provided in the accommodation portion 17.
3 is housed. The cross section of the opening of the housing portion 17 is substantially the same as the cross section of the insulating portion 13 of the harness 7.
When the harness cap 10 is externally fitted to the wiring portion 4, the claws 6, 6 of the wiring portion 4 expand the second housing portion 11, and accordingly, the passage portion 16
Is also expanded, so that the insulating portion 13 of the harness 7 passes through.
The container 16 is allowed to pass through and accommodated in the accommodating unit 17.

In this configuration, the weak portion P (FIG. 4) of the harness 7 near the connecting portion 9 between the terminal 5 and the core wire 8 of the harness 7 is surrounded by the third housing portion 14 of the harness cap 10. is Rutotomoni, whether the connection 9
The insulation part 13 side of the harness 7 away from the harness cap
10 are accommodated in the bottom 10a. Therefore, when the harness 7 is attached to the solenoid valve body 1 and then the harness 7 is pulled or bent when performing a subsequent process such as attaching a connector to the free end side of the harness 7. Also, the fragile portion P is not bent, and disconnection of the harness 7 at the fragile portion P is prevented beforehand. I
When attaching the harness cap 10,
Cap 10 is externally fitted to wiring portion 4 from the outer peripheral side of solenoid valve body 1.
Then, the insulating part 13 of the harness 7 is
It becomes a state surrounded by the bottom 10 a of the pump 10. In other words, c
Can be installed with one touch.
Wear.

Therefore, since the break of the harness 7 can be prevented only by fitting the harness cap 10 to the wiring portion 4, the harness 7 is attached to the bracket (FIG. 6) attached to the solenoid valve as described in the conventional example. The work of fixing the free end side becomes unnecessary, and the work efficiency in the manufacturing process of the solenoid valve can be improved. Moreover,
Since there is no need to provide a harness clip (FIG. 6) for fixing the harness 7 to the bracket, it is possible to reduce the processing cost of the bracket and the manufacturing cost of the solenoid valve.

[0013]

As described above, according to the present invention, the connection portion between the terminal and the harness of the wiring portion provided on the outer periphery of the solenoid valve body is insulated and protected by the harness cap externally fitted to the wiring portion. Harness in the structure of the solenoid valve
Of the harness cap forms the lower housing of the harness cap.
Depending on what is housed in that the bottom, the harness from that so as to be prevented bent in the vicinity of the connection portion of the terminal, it is possible to prevent disconnection of Ha harness. In addition, when installing the harness cap,
The nest cap is fitted to the wiring part from the outer peripheral side of the solenoid valve body.
If you do, the insulation of the harness is located below the harness cap
So that it is surrounded by the bottom that forms the side housing
did. Therefore, the working efficiency in the manufacturing process of the solenoid valve can be improved, and the manufacturing cost of the solenoid valve can be reduced.

[Brief description of the drawings]

FIG. 1 is an external view of a solenoid valve showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of a main part of FIG. 1 showing a mounting direction of a harness cap .

FIG. 4 is an explanatory view corresponding to the side view of FIG. 3;

FIG. 5 is a bottom view of the harness cap corresponding to FIGS. 3 and 4;

FIG. 6 is a perspective view of the harness cap according to FIGS. 3 and 4;

FIG. 7 is an external view of a solenoid valve showing a conventional example.

FIG. 8 is a sectional view of a portion B in FIG. 7;

FIG. 9 is a perspective view of the harness cap according to FIG. 8;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Solenoid valve main body 4 Wiring part 5 Terminal 7 Harness 8 Core wire 11 First accommodating part (upper accommodating part) 12 Second accommodating part (upper accommodating part) 13 Insulating part 14 Third accommodating part ( lower accommodating part) Part ) 16 passage part 17 accommodation part 18 notch P fragile part

Claims (1)

(57) [Scope of request for utility model registration] A wiring portion having a terminal connected to a coil is provided on an outer periphery of a solenoid valve main body, and a harness is connected to the terminal, while a connecting portion between the terminal and the harness is connected to a front portion. In a solenoid valve which is insulated and protected by a harness cap externally fitted to the wiring portion, the harness cap is opened toward the solenoid valve body.
Upper housing portion for housing the wiring portion
Projecting in the direction in which the harness extends, and
A lower housing part for housing the edge side,
The electromagnetic force is applied to the bottom of the harness cap forming a portion.
Opened to the valve body and attached to the wiring section
To allow passage of the harness through the insulation.
A passing portion, and an insulating portion of the harness that has passed through the passing portion.
Harness disconnection prevention structure of the solenoid valve, characterized in that notches comprising a housing portion for housing is provided.