JPS6028081Y2 - Parts holding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a component holding device for holding electrical components, such as a rotary set variable volume, on a support plate.

Holding parts with snap action has traditionally been used in various places, but it has the disadvantage that parts with large dimensional errors (or tolerances) may play in the axial direction of the part. If this is not convenient, other means (for example, screws, etc.) are used to fix the parts.

SUMMARY OF THE INVENTION In view of the above-mentioned circumstances, it is an object of the present invention to provide a snap-action type component holding device that can fix components with large dimensional errors without causing looseness.

1 and 2, from the support plate 1 to the elastic column 2,
2, 3, and 3 form a pair and are integrally and protrudingly formed to face each other.

Each of the elastic columns 2 and 3 is provided at a position corresponding to the outer periphery of the component to be held (in this example, a commercially available rotary variable resistor) 4, and the shaft portion 5 at the center of this component is located on the support plate 1. It protrudes downward from the through hole 6.

Each of the elastic columns 2 and 3 has claw parts 7 and 8 integrally formed inwardly protruding from its tip.
A plurality of locking surfaces 7a to 7d and 8a" to 8d are provided on the lower surface of the
is shaped like a staircase.

Since this example is a case where two sets of elastic columns 2, 2 and 3, 3 are provided, the heights of the locking surfaces 7a to 7d and 8a to 8d are shifted by half of the respective steps. It is.

Therefore, by pushing the component 4 into the illustrated position from above the claws 7, 8, the upper edge of the outer periphery of the component 4 is locked by one of the locking surfaces 7a to 7d or 8a to 8d.

In the illustrated case, the component 4 is locked by the locking surface 7b of the elastic column 2, and at the position of the elastic column 3, its upper surface is at an intermediate position between the locking surfaces 8b and 8c.

According to the above-described component holding device, no backlash occurs even when the component has a large dimensional error (or tolerance).

Moreover, since there is no need to provide any extra separate members, costs can be reduced and the work of attaching parts is easy.

Furthermore, if two or more sets of elastic columns are provided and the stepped locking surfaces of each claw are set at different levels for each set, the height of the locking surfaces can be set in small increments, allowing parts to be held accurately. It is very convenient from the viewpoint of manufacturing the locking surface.
The practical effects are truly significant.

[Brief explanation of the drawing]

The drawings show an embodiment of the component holding device according to the present invention, and FIG. 1 is a plan view thereof, and FIG. 2 is a diagram showing FIGS.
FIG. 1... Support plate, 2, 3... Elastic column, 4
... Parts, 7, 8 ... Claw portion, 7a-7
ds 8 a to 8 d... Locking surface.

Claims (2)

[Scope of utility model registration request] (1) At least one set of elastic columns are formed integrally and oppositely protruding from the support plate at positions corresponding to the outer periphery of the component to be held, and claw portions are integrally protruded inward at the tips of the elastic columns. a plurality of stepped locking surfaces are formed on the claw portion;
A component holding device in which an outer peripheral portion of the component can be locked to any of the locking surfaces. (2) Utility Model Registration The component holding device according to claim 1, wherein the locking surface has a height different from the support plate depending on the group.