JP3381518B2 - Power cord plug fixing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to fixing a power cord plug of an AV device, and more particularly to a structure for temporarily fixing a power cord plug during product transportation. . 2. Description of the Related Art A conventional power cord is temporarily fixed by using a bead band for binding a power cord as shown in Japanese Utility Model Laid-Open Publication No. Sho 62-47179, for example, in which a bead portion of a bead band is hooked on a rear cover. And a bead band was inserted and fixed in the groove. Recently, a method of inserting the power plug into a through hole and fixing the power plug only with respect to the type A power plug has been proposed as disclosed in Japanese Utility Model Laid-Open No. 3-116579. [0004] However, in the construction shown in Japanese Utility Model Application Laid-Open No. Sho 62-47179, the bead band often comes off when handling the cargo during transportation, and no countermeasure has been taken. Further, in the configuration as disclosed in Japanese Utility Model Laid-Open No. 3-116579, only the A-type power plug is supported, and plugs having different shapes and sizes in different countries cannot be supported. As a result, in the case of products exported overseas, the plug may be caught between the product and the product during handling, and the product may be damaged or damaged in some cases. [0005] In order to solve the above-mentioned problems, a power cord plug fixing device of the present invention is provided with two resiliently opposed and S-type power plugs. and the claw portion of the M-shaped terminal fitting portion and the C-type power plug terminal fitting portion is provided, and the M-shaped claw portion of the front and rear on the disposed the L-shaped ribs, B type plug End of
The left and right elastic walls for inserting the child are M-shaped.
Contacting the L-shaped rib provided near the front of the claw
A rectangular hole arranged in a rectangular shape, an inclination corresponding to the shape of the S-type plug terminal, and an inclination corresponding to the shape of the C-type plug terminal. Inserting and crimping into the S-type power plug terminal fitting portion provided on the claw portion of the shape, and fixing the L-shaped rib so as to prevent the front and rear misalignment. Inserting and crimping into the S-type power plug terminal fitting part provided on the M-shaped claw part
The L-shaped ribs prevent and prevent misalignment,
The terminal portion of the B type power plug is inserted into the square hole and fixed, so that the S / C type power plug and the B / C
Both type power plugs can be fixed. According to the present invention, one-touch fixing can be achieved by merely inserting a power plug in a hole / claw portion provided with an elastic claw portion by the above-described configuration. Further, since the plug itself is fixed, the mounting operation can be shortened, and at the same time, the quality can be improved by preventing damage, breakage and the like at the time of handling the load. A power cord fixing device according to a first aspect of the present invention relates to fixing a B-type plug as shown in FIG. Square holes with elastic walls on the left and right for inserting the plug terminals are provided on some surfaces of the resin molded product, and the plug terminals are inserted into the square holes and fixed by crimping Since the fixing is performed with elasticity, a stable fixing can be obtained by absorbing a dimensional variation. The power cord fixing device according to a second aspect of the present invention provides a rectangular hole in which elastic walls are disposed on the left and right for inserting the terminals of the plug, and the terminal of the plug is inserted into the hole. By inserting the plug, the terminal portion of the plug is crimped and fixed. Since the plug is fixed with elasticity, a variation in dimensions can be absorbed and stable fixing can be obtained. Next, a power cord fixing device according to a third aspect of the present invention relates to fixing a C-type plug, wherein two opposing M-shaped claws having elasticity are provided, and a front portion thereof is provided. And an L-shaped rib provided on the rear side, the terminal (round pin portion) of the power cord plug is inserted into an M-shaped claw to crimp the terminal portion, and the L-shaped rib is used. Stable fixation can be obtained by fixing by preventing misalignment before and after. Next, a power cord fixing device according to a fourth aspect of the present invention relates to fixing an S / A type plug, so that a part of a resin molded product is fitted to the maximum outer shape of the plug. By providing a recessed hole, a plug is inserted into the hole to prevent front-rear and left-right displacement, and the resin portion (bush) of the plug is stably fixed by being pressed into the M-shaped claw. Next, the power cord fixing device according to claim 5 of the present invention relates to a bush, and is effective when used in the power cord fixing device according to claim 3. The power cord fixing device according to claim 3, wherein a U-shaped groove is provided around a bush portion of the power cord plug to be fixed when the plug is easily inserted into the M-shaped claw portion. I do. Due to the U-shaped groove around the bush, the elasticity of the bush itself is increased to increase the elasticity, and the insertion resistance to the M-shaped claw portion is reduced. This facilitates insertion into the fixing device of the third aspect. Next, a power cord fixing device according to a sixth aspect of the present invention relates to fixing an S / C type plug.
The S-type and C-type plug terminals are fitted together with the opposite M-shaped claws having projections on the upper and lower sides, both having an inclination corresponding to the shape of the type plug terminal.
Further, the M / shaped claw can be used to fix a B / C type power plug. In the above configuration, since the power supply plug is fixed at the plug terminal portion, it is possible to change the power supply plug maker or fix the power supply plug having a different bush shape. (Embodiment 1) An embodiment of a power cord plug fixing device according to claim 1 of the present invention will be described below with reference to FIGS. In FIGS. 1 and 2, reference numeral 1 denotes an elastic wall formed of, for example, a resin or the like, which is separated from surrounding walls to facilitate bending. Reference numeral 2 denotes a square hole formed so that the plug type of the B type may be square and may be fitted. Reference numeral 3 denotes a B type plug terminal, 4 denotes an M-shaped claw portion, 5 denotes an L-shaped rib, and 7 denotes a hole recessed so as to fit the maximum outer shape of the plug. By inserting a B-type plug terminal 3 into the square hole 2, the wall 1 having elasticity is expanded and a force such as to press against the plug terminal 3 acts. To fix the B type plug. Further, the M-shaped claw portion 4 may be formed so as to have an elastic force and then crimped. (Embodiment 2) An embodiment of a power cord plug fixing device according to a second aspect of the present invention will be described below with reference to FIG. In FIG. 3, reference numeral 6 denotes a terminal (round pin portion) of a C type power cord plug. The present invention is characterized in that two opposing M-shaped claws 4 having elasticity are provided, and L-shaped ribs 5 are provided in front and rear thereof. The terminal (round pin portion) 6 of the power cord plug is inserted into the M-shaped claw 4 to crimp the terminal portion 6 and the claw portion of the M-shaped claw 4 prevents the terminal from coming off. Further, the L-shaped rib 5 eliminates a front-rear shift and enables stable fixing. (Embodiment 3) An embodiment of a power cord plug fixing device according to claim 3 of the present invention and a bush described in claim 4 will be described with reference to FIG. . In FIG. 4, reference numeral 8 denotes an S type plug;
Denotes a U-shaped groove provided in the bush 9. A hole 7 is formed by recessing a part of the resin molded product so that the maximum outer shape of the plug can be received.
Is inserted into the M-shaped claw 4 and the resin portion (bush) 9 of the plug is pressed into the M-shaped claw 4. In addition, by providing the U-shaped groove 10 around the bush 9 at this time, the elasticity of the bush 9 itself is increased, the insertion resistance to the M-shaped claw 4 is reduced, and the insertability is improved. Although the description is omitted in the drawing, the above-described configuration enables fixing to both C-type and A-type plugs. (Embodiment 4) A power cord plug fixing device according to a fifth embodiment of the present invention will be described below with reference to FIGS. In FIG. 5, 11 is an M-shaped claw, and 12 is an S-shaped claw.
A type plug terminal fitting portion, 13 is a fixing claw, 14 is a C type plug terminal fitting portion, 15 is a recess, 16 is a wall having elasticity, and 17 is a square hole. The present invention relates to fixing of an S / C type plug, and has a semicircular shape in which a C-shaped S-type plug terminal fitting portion 12 formed so as to fit an S-type terminal 19 and a C-type terminal portion are fitted. C type plug terminal fitting part 14
And an M-shaped claw is formed, and a recess 15 and a rib 18 for fixing in front and rear are provided. When the S-type plug terminal portion is inserted into the M-shaped claw 11, the claw spreads and the plug terminal portion 19 enters the inside of the claw, and the C-shaped S-type plug terminal fitting portion 12 and the C-type terminal portion 19 are inserted. But will fit. In this state, fixing is performed by being hooked on the fixing claw 13. The C-type plug terminal fitting part 14 is formed below the S-type plug terminal fitting part 12, and the C-type plug terminal fitting part 14 can coexist without obstructing the insertion of the S-type plug terminal. The fitting of the C type plug terminal is performed in the same manner. C that the S type plug terminal fitting part 12 and the C type terminal part fit
Since the M-shaped claw is formed by having both the type plug terminal fitting portions 14, the B type plug can be fixed in the same manner as the power cord plug fixing device according to the first aspect. In the above-described configuration, since a plurality of plugs are fixed only at the terminal portion, the power plug manufacturer changes, and stable fixing is possible even for power plugs having different bush shapes. As described above, according to the present invention, several types of plugs having different shapes and sizes in different countries can be stably mounted with one touch. In addition, it is possible to prevent damage and breakage due to dropping during handling of the load, thereby improving quality.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 (a) Plan view of power cord plug fixing device of the present invention (b) Cross-sectional view of power cord plug fixing device of the present invention (c) Power cord plug fixing device of the present invention 2A is a plan view of a power cord plug fixing device according to the first embodiment of the present invention, and FIG. 2B is a cross-sectional view of the power cord plug fixing device according to the first embodiment of the present invention. 3A is a plan view of a power cord plug fixing device according to a second embodiment of the present invention. FIG. 3B is a cross-sectional view of the power cord plug fixing device according to the second embodiment of the present invention. FIG. 5B is a plan view of the power cord plug fixing device according to the third embodiment of the present invention. FIG. 5B is a cross-sectional view of the power cord plug fixing device according to the third embodiment of the present invention. Plan view (b) of the present invention Sectional view of power cord plug fixing device (c) Cross section of another main part showing power cord plug fixing device of the present invention [FIG. 6] Plan view of power cord plug fixing device in Embodiment 4 of the present invention [FIG. FIG. 8 is a cross-sectional view of a power cord plug fixing device according to a fourth embodiment of the present invention. FIG. 8 is a cross-sectional view of a power cord plug fixing device according to a fourth embodiment of the present invention. Square hole 3 Plug terminal 4 M-shaped claw 5 L-shaped rib 6 Power cord plug terminal (round pin part) 7 Hole recessed in the same shape as plug 8 Plug 9 Plug resin part (bushing) Reference Signs List 10 U-shaped groove 11 M-shaped claw 12 S-type plug terminal fitting part 13 Fixing claw 14 C-type plug terminal fitting part 15 Recess 16 Wall with elastic force 17 Square hole 18 Rib 19 S-type plug terminal part 20 S tie Plug 21 C type plug terminal unit 22 C Type Plug

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-70072 (JP, A) JP-A 57-42770 (JP, U) JP-A 6-48179 (JP, U) JP-A 60- 118876 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) H01R 13/60

Claims (1)

(57) [Claims 1] An S-type power plug terminal fitting portion and a C-type power plug terminal fitting portion are provided at two locations and have elasticity and oppose each other. A given M-shaped claw,
L-shaped ribs disposed near the front and rear of the M-shaped claw portion, and left for inserting a terminal of a B-type plug
The elastic wall on the right is near the front of the M-shaped claw.
A square hole arranged in contact with the L-shaped rib arranged in
It has an inclination according to the shape of the S-type plug terminal and an inclination according to the shape of the C-type plug terminal, and the terminal part of the S-type power plug is arranged on the two M-shaped claws. It is inserted and crimped into the S-type power plug terminal fitting portion and fixed by preventing the front and rear displacement by the L-shaped rib. The terminal portion of the C-type power plug is arranged on the two M-shaped claws. Inserted and crimped into the S-type power plug terminal fitting part provided, and fixed by preventing the misalignment of the front and rear with the L-shaped rib, and insert and fix the terminal part of the B-type power plug into the square hole So that
A power plug fixing device wherein both an S / C type power plug and a B / C type power plug can be fixed.