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Switch

A switch and switch body technology, applied to switches with two operating positions, parts of flip switches/rocker switches, contact operating parts, etc., can solve problems such as poor tactile sensation, and achieve the effect of easy operation

Inactive Publication Date: 2003-07-09
MATSUSHITA ELECTRIC WORKS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

results, such as Figure 15 As shown in (a), the upper end of the coil spring 13 is biased on one side, and since the spring load bias is applied to one side of the operation panel 5, the operating load of the operating handle 5 is reduced during the ON operation and the OFF operation. There is a big difference, and there is a problem that the tactile feeling at the time of operation deteriorates

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] Below, according to Figure 1 ~ Figure 5 The embodiment 1 of the present invention will be described. The switch A of this embodiment is a toggle switch, and its body 1 is like figure 2 with image 3 As shown, it is composed of a synthetic resin main body 2 with a substantially box-shaped opening at the front and a synthetic resin cover 3 covering the front of the main body 2. The main body 2 and the cover 3 pass through a pair of metal assembly frames 4, 4 integrate. In addition, the switch A, such as Figure 4 As shown, it is embedded in an embedded hole provided in a structure such as the wall surface of the mounting frame 60 (refer to JIS C 8375) installed in the large square connecting wiring tool, and the formation size of the body 1 (this size is referred to as The size of one component), so that the length direction of the body 1 is substantially orthogonal to the length direction of the installation opening 61 of the installation frame 60, and three installation fra...

Embodiment 2

[0096] Now refer to Figure 6 with Figure 7 Example 2 of the present invention will be described. In addition, since the basic structure of the switch is the same as that of the first embodiment, the same symbols are used for the common structures, and descriptions thereof are omitted, and only the structures constituting the features of this embodiment will be described.

[0097] In this embodiment, for the switch of the first embodiment, instead of providing the wire terminal receiving groove 55 into which the wire terminal 17a enters on the bottom surface of the cylindrical protrusion 53, the inner wall of the cylindrical protrusion 53 is protrudingly provided through and the disc The spring 13 contacts and presses the coil spring 13 on the inner wall on the opposite side, and the rib 56 of the upper end of the coil spring 13 is forcibly moved in such a manner that the upper end of the coil spring 13 is inserted substantially perpendicular to the bottom surface of the cylindri...

Embodiment 3

[0101] Below, refer to Figure 8 with Picture 9 Example 3 of the present invention will be described. In addition, since the basic structure of the switch is the same as that of the second embodiment, the same reference numerals are used for the common structure, and the description thereof is omitted, and only the structure constituting the characteristic of the present invention will be described.

[0102] In the second embodiment, on the inner wall of the cylindrical protrusion 53, a rib 56 is erected from the bottom surface to the edge of the opening. In contrast, in this embodiment, the rib 56 develops from the opening side to the bottom side, thus forming a cylindrical shape. Compared with the case where the rib 56 is formed to the edge of the opening, the opening of the cylindrical protrusion 53 is widened on the inclined surface 57 with the increased amount of protrusion of the inner wall of the protrusion 53. Therefore, the work performance of inserting the coil spring 1...

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Abstract

A switch is provided for reducing operating load difference at on / off operation. An operating handle 5 is keep rotation freely against to the case of switch. A cylinder protrusion 53 is set at the backside of operating handle 5. A coil spring 13 is inserted for applying counter-spin force to contact point mechanism in the cylinder protrusion 53. A lead terminal 17a of impedance 17 is inserted into the cylinder protrusion 53 through a lengthwise gash, is set in the bottom of the cylinder protrusion 53, and is contacted electrically and mechanically to the upper end of coil spring 13. Herein, a lead terminal accept gash 55 that the lead terminal 17a can be inserted is formed on the bottom of the cylinder protrusion 53. Because the jog of the part that contacted with the upper end of coil spring 13 is small, the elasticity of coil spring 13 isn't deflective applied to operating handle 5 that can reduce operating load difference at on / off operation and get a better feeling when operation.

Description

Technical field [0001] The invention relates to a switch. Background technique [0002] In the past, it has provided Figure 15 with Figure 16 Switch A of the structure shown. The body 1 of the switch A is composed of a synthetic resin body 2 having a substantially box-shaped opening at the front and a synthetic resin cover 3 covering the front of the body 2 in combination. [0003] The inside of the main body 2 is partitioned into a plurality of areas by partition walls. The terminal accommodating chambers 22, 22 for accommodating the terminal parts connected to the external wires are provided on both sides, and the contact accommodating chamber 23 for accommodating the contact mechanism is provided at a substantially central position. [0004] In the terminal accommodating chambers 22 and 22, terminals of a so-called connection terminal structure constituted by the terminal plates 6 and 7, a pair of lock springs 8 and release latches 9 are respectively accommodated. [0005] A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H23/02H01H3/02H01H23/24
Inventor 岛冈国康
Owner MATSUSHITA ELECTRIC WORKS LTD