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push switch

A switch and welding technology, which is applied in the field of push switches, can solve the problems of poor operating feel, and achieve the effects of suppressing edge collapse, suppressing deterioration, and suppressing the deterioration of operating feel

Active Publication Date: 2017-04-12
ALPS ALPINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the push switch 900, the outer edge of the protective sheet 915 is not welded to the housing 911 because the first welding fixing portion 921 is provided in a linear shape.
The outer edge of the protection sheet 915 that has not been welded is warped upward due to heating such as soldering, and the warped outer edge may come into contact with the operation knob for operating the push switch 900, which may cause defects such as poor operating feel.

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0036] Next, the push switch in the first embodiment will be described.

[0037] Get started first Figure 1 to Figure 4 The configuration of the push switch in the present embodiment will be described. figure 1 It is an exploded perspective view showing the structure of the push switch 100 in the first embodiment. figure 2 It is a figure which shows the push switch 100 in 1st Embodiment, figure 2 (a) is a perspective view showing the appearance of the push switch 100, figure 2 (b) is to from figure 2 (a) A plan view showing the appearance of the push switch 100 in a state viewed from the Z1 direction side. image 3 is a diagram showing the movable contact member 3 in the first embodiment, image 3 (a) is a perspective view showing the appearance of the movable contact member 3, image 3 (b) is to from image 3 (a) is a side view showing the movable contact member 3 in a state viewed from the Y2 direction side. Figure 4 It is a figure which shows the case 1 in 1s...

Deformed example 1

[0067] In 1st Embodiment, the whole circumference welding part SP is the structure which is welded over the whole circumference of the opening 1b. However, since there is no place to release the air in the housing portion 1a, the operation feeling of the push switch 100 may be deteriorated when the push switch 100 is operated, and at worst, it may not function as a push switch. When such a defect occurs, as necessary, the entire circumference welding portion SP (including the outer edge welding portion OP and A part of the inner edge welding part IP) is interrupted, and an air discharge part is provided.

Deformed example 2

[0069] In the first embodiment, adhesives are provided at both ends in the longitudinal direction of the cover sheet 2, but the cover sheet 2 can be temporarily fixed and the position can be opposed to each other with the opening 1b interposed therebetween. The position of the stickers can also be changed.

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PUM

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Abstract

The invention provides a pressing switch in melting connection with a cover sheet and with an outer edge difficult to warp upwards. The pressing switch (100) is composed of an opening (1b) at the upper side, a shell body (1) with a fixed contact part (1c) arranged inside and equipped with a storage section (1a) used for storing movable contact member (3) and a cover sheet installed on the upper surface of the shell body (1) through melting connection in a manner of covering the opening (1b). In the pressing switch (100), the upper surface of the shell body (1) forms a melt section (1d) with the cover sheet. A full periphery melt connection section (SP) and an outer edge melting connection section (OP) are formed between the cover sheet and the melt section (1d) of the shell body (1) and the cover sheet is installed on the upper surface of the shell body (1).

Description

technical field [0001] The present invention relates to a push switch, and particularly to a push switch in which a sealing sheet is welded to a case. Background technique [0002] In the push switch, in order to accommodate a movable contact or the like, a space for accommodation is provided in the casing. Depending on the intended use, the push switch is required to seal the storage space provided in the casing. In order to seal the space for storage, there is a push switch that covers the opening of the space for storage with a sheet and is fixed by welding the sheet to the case. As such a push switch, the push switch described in the following Patent Document 1 is known. [0003] Below, with Figure 7 The push switch described in Patent Document 1 will be described. Figure 7 It is a perspective view showing the external appearance of the push switch 900 described in Patent Document 1. FIG. [0004] The push switch 900 described in Patent Document 1 is a push switch i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H13/04
CPCH01H13/06H01H2205/016H01H2215/004H01H2223/003H01H2227/026H01H2229/036H01H9/02H01H13/04H01H13/14H01H13/48H01H2229/02H04Q9/00
Inventor 水越寿彰佐藤秀隆金子晃本川有信宫川和裕
Owner ALPS ALPINE CO LTD