JPS6324589Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lever switch that is operated to change to each switch position by an operating lever.

2. Description of the Related Art Conventionally, in a lever switch in which a control lever is provided on a switch frame, it is known that the control lever is attached between both side plates of the switch frame via a fixing pin, and the fixing pin is caulked. However, in a lever switch with such a configuration, a fixing pin for the lever must be prepared, which increases the number of parts, and the holding member that holds the operating lever is also caulked to the switch frame, which makes the production process difficult. This requires many caulking processes, and there are also disadvantages such as the occurrence of defective products due to variations in the degree of caulking.

The present invention was developed in view of the above circumstances, and its purpose is to provide a lever switch that reduces the number of parts and facilitates the assembly process. It is.

An embodiment of the present invention will be described below with reference to the drawings.

The present invention comprises a switch frame 1, a holding member 3 attached to the switch frame 1 and provided with a moderator 2, and arm portions 3a, 3 on both sides of the holding member 3.
an operating lever 6 which is held on the support shafts 4, 4 and operated to switch to each switch position, and is designed to cause the moderator 2 to collide with a moderation cam surface 5 formed corresponding to each switch position; The support shafts 4, 4 are integrally protruded from the operating lever 6, and are formed in bearing holes 7, 7 formed in both side arm portions 3a, 3a of the holding member by utilizing elastic deformation of the material. The holding member 3 is fitted onto the switch frame 1 by utilizing elastic deformation of the material.

To explain this in detail, the switch frame 1 has both side plates 1a, 1a on both sides of the rear opening, fitting windows 8, 8 provided on the both side plates 1a, 1a, and is formed by cutting and raising from the top plate. , and a holding plate 1b provided with an engagement window 9. An insulating substrate 11 having a plurality of terminals 10 embedded therein is fitted into the lower opening of the switch frame 1. On the top, there is a clip holder 1 holding a clip (not shown) that contacts the terminals 10.
2 are slidably arranged.

The holding member 3 is integrally formed of an elastic material such as synthetic resin, and includes arm portions 3a, 3a on both sides having bearing holes 7, 7 to which support shafts 4, 4 of an operating lever 6, which will be described later, are pivotally mounted. A coil spring 2 comprising a moderator 2 and causing the moderator 2 to abut against a moderation cam surface 5 of an operating lever 6, which will be described later.
3, and a holding cylinder part 3b formed with a holding hole 3c for storing and holding the arm part 3 on both sides.
The outer surfaces of the members a and 3a are elastically fitted to the inner surfaces of the side plates 1a and 1a of the switch frame 1 by utilizing elastic deformation of the material. Also,
Guide grooves 14 are formed on the inner surfaces of both side arm portions 3a, 3a of this holding member 3, respectively, and the guide grooves 14 become shallower gradually from the tip toward the bearing hole 7. A stopper 15 for restricting the rotation of the operating lever 6 is integrally formed in a protruding manner. Further, the holding member 3
Fitting convex portions 16 that fit into fitting windows 8 formed in the side plate 1a of the switch frame 1 are provided protrudingly on the outer surfaces of both side arm portions 3a, 3a of the holding member 3. A locking convex portion 17 that is locked to the engagement window 9 of the switch frame 1 is provided protruding from the end face of the holding cylinder portion 3b. Further, the holding member 3 is provided with extending protrusions 3d that extend diagonally downward from the upper edges of both side arm parts 3a, 3a, respectively, and these extending protrusions 3d, 3d,
Both side plates 1a, 1a of the switch frame 1 are brought into elastic contact with the outer surfaces of both side plates 1a, 1a of the switch frame 1 due to elastic deformation of the material.
This prevents the spread of 1a. Further, the extending protruding parts 3d, 3d of the holding member 3 are brought into contact with the protruding end face parts 1c, 1c formed by bending the ends of both side plates 1a, 1a of the switch frame 1 outward by elastic deformation of the material. The holding member 3, which engages the engagement protrusion 17 with the engagement window 9 of the switch frame 1, is prevented from coming off from the switch frame 1. Note that a coil spring 23 in a compressed state is disposed in a holding hole 3c formed in a holding cylinder portion 3b of the holding member 3, and the elasticity of this coil spring 23 is controlled by a moderator 2.
The spring receiver 22 that transmits the information to the spring receiver 22 and the moderator 2 rotatably fitted into the recess 22a formed in the spring receiver 22 are stored and held in this order.

The operating lever 6 is integrally formed of, for example, a synthetic resin material, and includes an operating rod 20 and a connecting arm 2.
1, and this main body 6a has bearing holes 7, 7 of the holding member 3.
By integrally protruding support shafts 4, 4 on both sides, which are pivotally connected to the main body part 6a, and partially thinning both sides of the main body part 6a, a predetermined opening that comes into contact with the stopper 15 of the holding member 3 is formed. The stopper step portions 18, 18 formed at an angle are integrally formed, and the main body portion 6
A moderation cam surface 5 that abuts against the moderation element 2 is integrally formed on the front surface of the section a.

With the above configuration, the operation lever 6 can be attached to the holding member 3 and the holding member 3 can be attached to the switch frame 1 without requiring any other special parts. That is, the support shafts 4, 4 of the operating lever 6 are connected to the holding member 3.
The guide grooves 14 provided on both side arm portions 3a, 3a respectively guide the two side arm portions 3a, 3a.
a, 3a are pushed apart and elastically deformed, and pushed into the bearing holes 7, 7 of both side arm portions 3a, 3a, so that the support shafts 4, 4 can be pivotally attached to the bearing holes 7, 7. In this case, both side arm portions 3a of the holding member 3,
In addition to the elastic deformation of the material 3a, it is also possible to mainly elastically deform the support shafts 4, 4 of the operating lever 6 by selecting the material. Further, the holding member 3 pushes its both side arm portions 3a, 3a between the both side plates 1a, 1a of the switch frame 1 by utilizing the elastic deformation of the material, while pushing the engaging convex portion 17.
is engaged with the engagement window 9 of the switch frame 1, and the fitting protrusions 16, 16 of the both side arm parts 3a, 3a are fitted into the fitting windows 8, 8 of the switch frame 1, and the Both side plates 1a,
Both side arm parts 3a, 3a of the holding member 3 are sandwiched between 1a, and the extending protrusions 3d, 3d of the holding member 3 are held between the arms 3a, 3a.
is brought into elastic contact with the protruding end surfaces 1c, 1c and both side plates 1a, 1a of the switch frame 1 by utilizing the elastic deformation of the material, thereby regulating the expansion of both side plates 1a, 1a of the switch frame 1, and holding member 3. The holding member 3 is prevented from coming off from the engagement window 9 of the switch frame 1.
can be fitted and mounted on the switch frame 1.

Note that the operation lever 6 is not limited to one integrally formed of synthetic resin material as described above, and even if the operation lever 20 is made of metal and assembled integrally with the synthetic resin main body 6a. Able to implement ideas.

As explained above, the lever switch of the present invention can be easily assembled by utilizing the elastic deformation of the materials in the operating lever, holding member, and switch frame, and does not require the conventional fixing pin for attaching the operating lever to the holding member. In addition to reducing the number of parts, it also eliminates the need for the conventional process of caulking the holding member to the switch frame, and eliminates the inconvenience of defective products due to variations in the degree of caulking. The assembly process can be simplified.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is an exploded perspective view, FIG. 2 is a front view of a holding member, and FIG. 3 is a side view showing a main part in cross section. 1... Switch frame, 2... Moderator, 3...
...Holding member, 4... Support shaft, 5... Moderation cam surface,
6... Operating lever, 7... Bearing hole.

Claims (1)

[Scope of utility model registration request] A switch frame, a holding member attached to the switch frame and equipped with a moderator, and a holding member that is held on both side arms of this holding member via a support shaft to switch to each switch position, and corresponds to each switch position. and an operating lever configured to bring the moderation cam surface formed by the moderation cam into contact with the moderation element,
The support shaft is integrally protruded from the operating lever and pivoted to bearing holes formed in both arm portions of the holding member by utilizing the elastic deformation of the material. A lever switch characterized by fitting and mounting using deformation.