JPH04101384U - Connection plug structure - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the cigarette lighter type plug from coming off. [Structure] After inserting the cigarette lighter type plug 1 into the retaining cap 9, the retaining ring 12 is fixed to the plug 1 with a screw. The inner surface of the retaining cap 9 is threaded, and the retaining cap 9 is fixed to a fixing member 16 provided on the charger 8.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a connection plug structure using a cigarette lighter type plug.

0002

[Conventional technology]

Traditionally, connection cords using cigarette lighter-type plugs have been used in many electrical devices. etc. has been adopted. In addition, various electrical devices such as these include automobile cigarette lighter receivers. It is intended to be inserted into a device and used inside a car using the car battery as the driving source. There are many purposes. On the other hand, mobile phones that combine multiple Ni-Cd batteries A power source, a charger for the power source, or an outdoor lighting device powered by a portable power source, etc. The above-mentioned cigarette lighter type plug is used for the plug part of the connection cord. There is.

0003 By the way, when a cigarette lighter type plug is inserted into the plug holder, the tip The + terminal and the pair of - terminals on the side surface contact each +/- terminal of the receiver to generate electricity. Connected. In addition, the - terminal of the plug has spring properties, and the pressure between the - terminal and the receiver is Supported only by contact force. Here, as mentioned above, the If a cigarette lighter type plug is used for the device, etc., when carrying or using it, There is a concern that the plug may fall out.

0004

[Problem that the idea aims to solve]

The present invention was made in view of these points, and is a cigarette lighter type plug. The present invention provides a connection plug structure that prevents the plug from coming off.

[0005]

[Means to solve the problem]

This invention consists of a cigarette lighter type plug and a plug holder that is fixed to electrical equipment. the plug, the retaining cap through which the plug is inserted, and the retaining cap loosely fitted in advance. There is a retaining ring that is screwed onto the plug, and a ring that surrounds the plug holder. A fixing member attached to the electrical device and screwing the retaining cap; Become.

[0006]

[Effect]

According to the configuration of the present invention, the cigarette lighter type plug can be pulled out from the plug receiver. Even if you try to remove it, the retaining ring screwed onto the plug will prevent it from attaching to the electrical device. Because it comes into contact with the flange of the retaining cap that is screwed onto the fixed member, it will not come off. This prevents contact from coming out and prevents contact failures as much as possible.

[0007]

【Example】

Embodiments of the present invention will be described in detail below with reference to the drawings.

[0008] 1 is a cigarette lighter type plug, with + terminal 2 at the tip and - terminal 3 on the side. We are prepared. The connection cord 4 protruding from the rear end of this plug 1 has a plurality of Ni-C It is connected to a portable power source (not shown) consisting of a D battery. On the other hand, 5 is the plug receiver The tip of the inside of the plug receiver is formed with a + terminal 6 that contacts the + terminal 2. Moreover, the inner wall of the plug holder is a negative terminal. This plug receiver 5 is fixed It is fixed to the charger 8 by the member 7, and by connecting the plug 1, A portable power source is connected to a charger 8 for charging.

[0009] Reference numeral 9 denotes a retaining cap, and its flange 10 has an opening through which the plug 1 is inserted. 11 are formed. Further, the inner wall of the cap 9 is threaded.

0010 12 is a retaining ring, and screw 13 connects screw hole 14 of the ring and screw hole 15 of plug 1. The retaining ring 12 is fixed to the plug 1 by tightening the screws.

[0011] Further, the open end of the plug receiver 5 has a threaded side surface to prevent it from coming off. A fixing member 16 for the cap 9 is provided, and the retaining cap 9 is fixed.

0012 The retaining ring 12 has a retaining cap 9 that prevents the plug 1 from being inserted from its tip. After passing through, the plug 1 is inserted and fixed.

[0013] When the plug 1 is inserted into the plug receiver 5 in the above configuration, the plug 1 The + terminal 2 provided at the tip of the plug contacts the + terminal 6 of the insertion slot 5, and the - The terminal 3 contacts the inner wall of the receiver 5 and is electrically connected. After this, remove the retaining cap 9 is fixed to the fixing member 16.

[0014] Now, even if plug 1 tries to come out after connecting plug 1 like this, 2, the retaining ring 12 fixed to the plug 1 is attached to the retaining cap 9. It comes into contact with the flange 10 and does not come out.

[0015]

[Effect of the idea]

According to the configuration of the present invention, the cigarette lighter type plug can be pulled out from the plug receiver. Even if you try to remove it, the retaining ring screwed onto the plug will prevent it from attaching to the electrical device. Because it comes into contact with the flange of the retaining cap that is screwed onto the fixed member, it will not come off. This prevents contact from coming out and prevents contact failures as much as possible. As a result, the cigarette truck Even if connection cords using switch-type plugs are used in various outdoor electrical equipment, There is no need to worry about malfunctions due to poor contact when carrying or using the product.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view.

FIG. 2 is a sectional view.

[Explanation of symbols]

1 Cigarette lighter type plug 5 Plug receiver 8 Charger 9 Retention cap 10 Tsuba 12 Retainer ring

Claims (1)

[Scope of utility model registration request] 1. A cigarette lighter-type plug, a plug receiver fixed to an electrical device, a retaining cap into which the plug is inserted, and a retaining ring screwed onto the plug into which the retaining cap is loosely fitted in advance. A connection plug structure comprising: a fixing member that surrounds a plug receiver and is attached to the electrical device, and that screws into the retaining cap.