JPH088487Y2 - Switch device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a switch device which is effective when applied to a pedal mounting switch of an automobile, such as a stop lamp switch and an ASCD cancel switch.

[Prior Art] For example, in a stop lamp switch, ASCD cancel switch, etc. used as a pedal mounting switch of an automobile, a push rod, a movable plate, a leaf spring, etc. are incorporated in an independent case or a case with terminals. ing.

[Problems to be solved by the invention] However, in the conventional method of independently pumping push rods, movable plates, leaf springs, etc., not only a large number of man-hours are required for assembling independent parts, but also independent When the management of the parts becomes complicated and the assembling space is small and complicated, there are many drawbacks such that the assembling work is very troublesome, and there is a possibility that the reliability is insufficient.

The present invention has been proposed in view of the above-mentioned drawbacks of the conventional technology, and can provide a highly reliable switch device that can significantly improve the work of incorporating a push rod, a movable plate, a leaf spring, and the like. To do.

[Means for Solving Problems] The present invention has been devised to solve the above-mentioned drawbacks of the conventional technique, and includes a push rod made of a non-conductor and having a cylindrical tip portion having a protrusion. A contact arm that is fixed to the push rod and that extends upward and downward with respect to the operating direction of the push rod, a first spring that presses the push rod, and a left and right side with respect to the operating direction of the push rod. A leaf spring made of a conductor extending outward, a tubular portion projecting from the central portion of the board surface, and a side wall projecting to the outer peripheral portion of the board surface, to which the leaf spring is fixed, and the tubular portion A movable plate made of a non-conductor that fits into the tip end portion of the push rod and has a notch groove formed in the cylindrical portion hooked on the protrusion, and a second plate for urging the movable plate.
A spring, a claw formed on a side wall of the movable plate, and a peripheral portion of the movable plate to clamp the plate spring between the movable plate and the movable plate; and a case with terminals having a plurality of terminals.
A case in which the push rod is movably inserted while being fitted in the case with terminals, and one set of switch contacts includes contact contacts provided at upper and lower ends of the contact arm fixed to the push rod, The contact contacts are contact terminals that are closed by pushing the push rod, and the contact terminals are respectively attached to the upper and lower inner sides of the terminal-equipped case and connected to the terminals, and the other set of switch contacts is
A movable contact fixed to the movable plate and attached to the left and right ends of a leaf spring disposed to intersect with the contact arm in a three-dimensional manner; and a fixed contact which is opened by the push operation of the push rod. Moreover, the fixed contacts are composed of two sets of switch contacts which are fixed to the left and right ends of the terminal-equipped case and are connected to the terminals.

[Operation] Since the switch device of the present invention is configured as described above, the push rod having the contact arm is
The leaf spring can be hooked on the fixed movable plate and incorporated.

[Embodiment] The present invention will be specifically described below based on an embodiment shown in the drawings.

FIG. 1 is a vertical sectional view of a switch according to an embodiment of the present invention, for example, a switch having both a stop lamp switch and an ASCD cancel switch. In the horizontal sectional view showing the internal structure of FIG. The state cut along the line is shown.

In the figure, 1 is a case, 2 is a case with a terminal (polar plate), and the case with a terminal (polar plate) 2 is pushed into and fitted into the case 1. A push rod 3 is guided by the case 1 and moves in the case 1 against the first spring 4. Reference numeral 5 is a contact arm attached to the push rod 3. A contact contact 6 provided at the tip of the contact is a stop lamp switch contact that comes into contact with a contact terminal 7 mounted on the terminal-equipped case (polar plate) 2 side when the push rod 3 is pressed and moved. FIG. 3 is a side view of the push rod 3 configured as described above.
Reference numeral 8 denotes a movable plate which is attached to the cylindrical tip portion 3a of the push rod 3 and which is operated by the push rod 3. 4 is a front view thereof, FIG. 5 is a sectional view taken along the line BB in FIG. 4, or FIG. 6 is a sectional view taken along the line CC in FIG. The movable board 8 is a board surface 8
The tubular portion 8c extending from b is attached to the tip portion 3c of the push rod 3.
And a pair of notch grooves formed at the tip of this tubular portion 8c.
The push rod 3 is assembled by hooking 8d, 8d with the protrusions 3b, 3b protruding from the tip portion 3a.

As shown in FIG. 1 and FIG. 12, the cylindrical portion 8c of the movable plate 8 is substantially Z-shaped in the outer peripheral direction with respect to the operating direction of the push rod 3.
A leaf spring 9 extending in a shape is inserted. FIG. 7 is a front view of the leaf spring 9, and FIGS.
It is the side view seen from the arrow D and E direction in the figure.
As shown in FIG. 7, the leaf spring 9 has a through hole 9a formed in the center thereof so as to be fitted into the tubular portion 8c of the movable platen 8.

As shown in FIG. 12, reference numeral 10 is a crimping plate for sandwiching the plate spring 9 inserted into the cylindrical portion 8c of the movable plate 8 on the plate surface 8b of the movable plate 8 with the movable plate 8. FIG. 10 is a front view of the crimp plate,
Further, FIG. 11 is a side view of the crimping plate. The crimp plate 10
As shown in FIG. 10, four grooves are cut out on the outer circumference, and a hole for fitting into the tubular portion 8c of the movable plate 8 is bored in the central portion. The crimping plate 10 is provided on the plate surface 8b of the movable platen 8, and the outer peripheral portion 10a of the crimping plate 10 is hooked on the claw 8a of the side wall having a shape corresponding to the shape of the outer circumference of the crimping plate 10. Fixed. The crimping plate 8 is pressed by the second spring 11. In addition, 12 is shown in FIG. 1, FIG. 7, FIG. 8, FIG.
Further, as shown in FIG. 12, the movable contacts are provided by caulking the left and right ends of the leaf spring 9.

Further, as shown in FIG. 1, reference numeral 13 is a terminal in which one end on the side to which the fixed contact 14 is fixed is supported by the case 1 and the other end is attached to the case (polar plate) 2 with a terminal. The fixed contact 14 which is crimped to the terminal 13 is inclined by an angle θ with respect to the operating direction of the push rod 3 as shown in the drawing, and when the movable contact 12 and the fixed contact 14 are engaged, the movable contact 12 is The fixed contact 14 can slide on the inclined surface in a pressed state. The movable contact 12 and the fixed contact 14 are
For example, the contact of the ASCD cancel switch.

As shown in FIG. 1, the movable contact 12 is in pressure contact with the fixed contact 14 when the push rod 3 is not pressed and the movable platen 8 is biased by the second spring 11. When the push rod 3 is pressed by a pedal of an automobile or the like, the movable contact 12 is moved by the movable plate 8 being pressed by the push rod 3 as shown in FIG. To do.

Reference numeral 15 is a stopper with which the movable platen 8 abuts. In order to prevent the leaf spring 9 from being deflected by the full stroke and being damaged by the full stroke operation of the push rod 3, the movable platen 8 is brought into contact with the stopper. The amount of deflection of the leaf spring 9 is restricted so that the leaf spring 9 is not overloaded.

In FIG. 12, the movable platen 8 is inserted into the tip part 3a of the push rod 3, the plate spring 9 is inserted into the cylindrical part 8c of the movable platen 8, and the crimp plate 10 for fixing the plate spring 9 is attached to the movable platen 8a. It is hooked by the side wall claws 8a provided on the board surface 8b of the
It is a side view which shows the state which assembled the movable board 8 to which the leaf spring 9 was fixed.

That is, as shown in FIGS. 1 and 12, in the movable platen 8, the leaf spring 9 is fitted in the tubular portion 8c, the crimp plate 10 is fitted in the tubular portion 8c, and the crimp plate 10 is moved. The movable platen 8 and the crimping plate 10 are locked by being hooked by the side wall claws 8a provided on the plate surface 8b of the plate 8.
The leaf spring 9 is fixed by and. The movable plate 8 has a tubular end portion 3a of the push rod 3 fitted with a tubular portion 8c, and projections 3b, 3b of the push rod 3 fitted with notched grooves 8d, 8d. It is attached to the push rod 3.

As shown in FIG. 12, the push rod 3 is provided with a leaf spring 9
If the movable plate 8 to which is fixed is assembled, they can be handled as one component, which is extremely convenient in assembling the switch device.

Needless to say, the push rod 3, the movable platen 8, the leaf spring 9, and the crimping plate 10 can be arbitrarily designed and modified according to the function and structure of the switch device.

[Effects of the Invention] As described in detail above, in the switch device of the present invention, the movable plate having the leaf spring fixed to the push rod can be extremely easily assembled, and the switch device is assembled in advance. Since it can be installed as a single part, it is easy to manage parts, and the installation work can be simplified even if the installation space is small and complicated.
It has a great advantage such as improved reliability because the assembly accuracy is stable, and it is not limited to automobile pedal mounting switches such as stop lamp switches and ASCD cancel switches.
It is possible to apply a practically extremely effective switch device that can be widely applied to various switches.

[Brief description of drawings]

1 is a cross-sectional view of the switch according to the first embodiment of the present invention taken along the line AA in FIG. 2, FIG. 2 is a cross-sectional view showing its internal structure, and FIG. 3 is a side view of a push rod. ,
FIG. 4 is a front view of the movable plate, and FIG. 5 is an arrow view in FIG.
Sectional view taken along the line BB, and FIG. 6 is a view CC in FIG.
Sectional drawing along the line, FIG. 7 is a front view of the leaf spring, FIGS. 8 and 9 are side views seen from the direction of arrow D and arrow E in FIG. 7, respectively, and FIG. FIG. 11 is a side view of the crimping plate shown in FIG. 10, and FIG. 12 is a side view showing a state in which a movable plate and a plate spring are attached to a push rod. 1 ... Case, 2 ... Terminal case, 3 ... Push rod, 3a ... Tip part, 4 ... First spring, 5 ... Contact arm, 6 ... Contact contact, 7 ... Contact terminal, 8 ...... Movable plate, 8a ...... Side wall claws, 9 ...
… Leaf spring, 10 …… Crimping plate, 10a …… Outer peripheral part, 11 …… Second
Spring, 12 ... Movable contact, 13 ... Terminal, 14 ...
… Fixed contact, 15… Stopper, θ… Angle.

Claims (1)

[Scope of utility model registration request] 1. A push rod (3) which is made of a non-conductor and has a cylindrical tip (3a) having a protrusion (3b), and a push rod (3) fixed to the push rod (3). A contact arm (5) made of a conductor extending vertically upward and downward with respect to the operating direction, a first spring (4) for pressing the push rod (3), and a left and right side with respect to the operating direction of the push rod (3). A leaf spring (9) made of a conductor extending outward, a cylindrical portion (8c) projecting from the central portion of the board surface (8b), and a side wall protruding to the outer peripheral portion of the board surface (8b). The leaf spring (9) is fixed, and the tubular portion (8c) is fitted into the tip portion (3a) of the push rod (3), and the tubular portion (8) is
a movable plate (8) made of a non-conductor in which a notch groove (8d) formed in c) is hooked on the projection (3b), and a second spring (11) for urging the movable plate (8), A crimping plate (10) for holding the leaf spring (9) between the movable plate (8) and the movable plate (8) by hooking a peripheral portion on a claw (8a) formed on the side wall of the movable plate (8); A case (2) with a terminal having a plurality of terminals, a case (1) fitted to the case (2) with a terminal and in which the push rod (3) is movably inserted, and one set of switch contacts Is the push rod (3)
The contact contacts (6), (6) provided on the upper and lower ends of the contact arm (5) fixed to the contact arm (5) and the contact contacts (6), (6) are closed by the push operation of the push rod (3). Contact terminal (7), (7)
And the contact terminals (7), (7)
Is attached to each of the upper and lower inner sides of the terminal-equipped case (2) and is connected to a terminal, and the other set of switch contacts is
Movable contacts (12) and (12) attached to the left and right ends of a leaf spring (9) fixed to the movable plate (8) and three-dimensionally crossing the contact arm (5), and the movable contacts (12). 12) and (12) are fixed contacts (14) and (14) which are opened by the pushing operation of the push rod (3), and the fixed contacts (14) and (14) are the case with terminal. (2)
Fixed to the left and right ends of each and connected to terminals 2
A switch device comprising a pair of switch contacts.