JP2015032357A - Vehicle power supply socket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle power supply socket that is easily downsized.SOLUTION: A vehicle power supply socket 1 comprises: a socket body 10 detachably holding an article plug; a horizontal type connector 20 connecting an external connector 6 supplying vehicle power supply in a lateral state; and a base 30 having electrical connection parts 32 and 33 that are electrically connected with the horizontal type connector 20 when one end part is fixed to an external bottom face of the socket body 10 and the other end part is engaged with and fixed to a lateral face of the horizontal type connector 20.

Description

  The present invention relates to a vehicle power socket for operating various electric devices.

  A cigarette lighter for automobiles having a power socket for fitting a detachable writer plug has been proposed (for example, see Patent Document 1).

  The conventional cigarette lighter described in Patent Document 1 includes a holder portion in a power socket. Bolts are provided through the inner bottom surface of the holder portion through bushes made of an insulating material. An L-shaped connector housing having a bolt mounting portion into which a bolt is inserted and a connector mounting portion into which a connection partner external connector is mounted in a direction crossing the bolt insertion direction is provided on the outer bottom surface of the holder portion. ing.

  A bimetal for holding the writer plug is provided at the tip of the bolt disposed in the holder. The bimetal is electrically connected to an L-shaped plus terminal disposed in the L-shaped connector housing via a bolt. An L-shaped negative terminal arranged in the connector housing is electrically connected to the holder portion.

  The rear end portion of the bolt protruding from the outer bottom surface of the holder portion is inserted into the connector housing and a plus terminal in the connector housing. The bimetal is fixed to the inner bottom surface of the holder portion via the bush by the nut screwed into the bolt, and the connector housing and the plus terminal are fixed to the outer bottom surface of the holder portion.

JP 2010-936 A

  Since the conventional cigarette lighter described in Patent Document 1 is composed of L-shaped terminals in which each of the plus terminal and the minus terminal is bent from the bolt mounting portion of the connector housing toward the connector mounting portion, It is difficult to reduce the size.

  Accordingly, an object of the present invention is to provide a power socket for a vehicle that can be easily miniaturized.

[1] In the present invention, a socket body that removably holds a product plug, a horizontal connector that connects an external connector that supplies vehicle power in a horizontal state, and one end portion are fixed to the outer bottom surface of the socket body, And a base having an electrical connection portion that is electrically connected to the lateral connector when the other end is fitted and fixed to a side surface of the lateral connector.

[2] The horizontal connector according to [1] described above includes a positive connector terminal that connects a positive power supply terminal of the external connector, and a negative connector terminal that connects a negative power supply terminal of the external connector, The electrical connecting portion has a plus terminal for connecting the plus side of the article plug to the side of the horizontal connector facing the base, and a minus terminal for connecting the minus side of the article plug to the socket body facing side of the base. The positive terminal has a first spring contact that elastically contacts the positive connector terminal when fitted and fixed to a side surface of the horizontal connector, and the negative terminal is fitted and fixed to the side surface of the horizontal connector. A second spring contact that elastically contacts the negative connector terminal when And wherein the Rukoto.

[3] Each of the plus connector terminal and the minus connector terminal described in [2] above includes a first terminal that connects the external connector to one end side, and a second terminal that connects the spring contact to the other end side. The first terminal and the second terminal are continuously bent and formed.

[4] The horizontal connector according to [3], wherein the horizontal connector includes a first housing having an insertion opening opened in a direction intersecting with the insertion / removal direction of the product plug, and an insertion opening opened in the insertion / removal direction of the product plug. And the first terminal protrudes toward the insertion opening of the first housing, and the second terminal is directed in a direction intersecting the insertion direction of the second housing. It is characterized by being protruded.

[5] One of the base and the horizontal connector according to any one of [1] to [4] is provided with a convex portion, and the convex portion is snapped to the other of the base and the horizontal connector. A concave portion to be fit-coupled is provided.

  According to the present invention, a miniaturized vehicle power socket can be obtained effectively.

It is a figure which shows typically an example of the power socket for vehicles which concerns on typical 1st Embodiment of this invention. It is a figure showing typically an example of the connector of the power socket for vehicles concerning a 1st embodiment. (A) is an end view taken along line IIA-IIA in FIG. 2, and (b) is an end view taken along line IIB-IIB in FIG. (A) is a perspective view which shows typically the one surface side of the base of the power socket for vehicles which concerns on 1st Embodiment, (b) is a perspective view which shows the other surface side typically. It is a figure showing typically an example of a connector and base assembly of a power socket for vehicles concerning a 1st embodiment. (A) is an end view taken along line VA-VA in FIG. 5, and (b) is an end view taken along line VB-VB in FIG. 5. (A) is a perspective view which shows typically the one surface side of the base of the power socket for vehicles which concerns on 2nd Embodiment, (b) is a perspective view which shows typically the other surface side.

  Preferred embodiments of the present invention will be specifically described below with reference to the accompanying drawings.

[First Embodiment]
(Appearance structure of power socket)
In FIG. 1, reference numeral 1 indicating the whole indicates a configuration example of a power socket for a vehicle such as an automobile. The external appearance of the power socket 1 is as follows: a bottomed cylindrical socket body 10 made of a metal material; a connector 20 made of an insulating resin material; one end is fixed to the outer bottom surface of the socket body 10; It comprises three members including a base 30 made of an insulating resin material that is fitted and fixed to the side surface of 20.

  The power socket 1 supplies vehicle power for generating battery voltage. As shown in FIG. 1, the accessory plug 2 as an accessory is inserted / removed through the plug insertion port 11 of the socket body 10. It is configured. The product plug 2 includes a plus terminal 3 projecting from the tip of a cylindrical plug body, and a pair of minus terminals 4 and 4 projecting from the outer peripheral surface of the plug body.

(Socket body configuration)
As shown in FIG. 1, the socket body 10 has a cylindrical insertion portion 12 that is inserted and fixed in a mounting hole 5 a of a vehicle interior product 5 that is a mounted body disposed in front of a driver seat in a vehicle interior. ing. An annular cylindrical flange 13 exposed at the front surface of the vehicle interior 5 is formed at the distal end of the cylindrical insertion portion 12. Examples of the vehicle interior 5 include an instrument panel, a console box, a glove box, and the like.

  As shown in FIG. 1, an insulator 14 made of an insulating resin material is accommodated on the inner bottom surface of the socket body 10. The insulator 14 is fastened and fixed to the socket body 10 with screws 15 through screw insertion holes formed in the socket body 10 and the base 30. The screw 15 is a socket contact (hereinafter, also referred to as “contact screw 15”) that is in electrical contact, and is disposed to face the plus terminal 3 of the product plug 2.

  In the first embodiment, an electrical connection portion of a horizontal connector 20 whose connector terminals extend in a direction intersecting the axial direction of the socket body 10 and a vertical base disposed in the axial direction of the socket body 10 It has a main configuration in an electrical connection structure that electrically connects 30 electrical connections with one touch.

(Connector configuration)
As shown in FIGS. 1 to 3B, the connector 20 is configured as a receiving connector that connects the external connector 6 to be connected in a sideways state. The receiving connector includes a first housing 21 having an insertion opening 21a opened in a direction crossing the insertion / removal direction of the product plug 2, and a second housing having an insertion opening 22a opened in the insertion / removal direction of the product plug 2. 22.

  This 1st housing 21 is comprised as a connector mounting part with which the external connector 6 is mounted | worn, as shown in FIGS. 1-3 (b). In the first housing 21, two terminals, a positive terminal 23 which is a positive connector terminal and a negative terminal 24 which is a negative connector terminal, are integrated by insert molding, and these terminals are arranged in parallel as an electrical connection portion. Is arranged.

  As shown in FIGS. 2 to 3B, the plus terminal 23 of the connector 20 is a U-shaped sheet metal product obtained by bending both ends of an elongated metal plate, and includes a first terminal 23a and a first terminal The terminal 23a includes a second terminal 23b that is parallel to the terminal 23a, and a connecting piece 23c that connects the first terminal 23a and the second terminal 23b.

  As shown in FIGS. 3A and 3B, the first terminal 23 a protrudes from one end of a connecting piece 23 c inserted into the first housing 21 toward the insertion opening 21 a. One second terminal 23 b protrudes from the other end of the connecting piece 23 c into the second housing 22 in a direction crossing the insertion direction of the second housing 22. The protruding amount of the second terminal 23b is set smaller than the protruding amount of the first terminal 23a.

  The positive terminal of the external connector 6 is electrically connected to the first terminal 23a with one touch. One second terminal 23b is electrically connected to the leaf spring contact 32b of the plus terminal 32 of the base 30 with one touch.

  On the other hand, as shown in FIGS. 3A and 3B, the minus terminal 24 of the connector 20 has the same shape and structure as the plus terminal 23, and the minus side power supply terminal of the external connector 6 is electrically connected. A U-shaped first terminal 24a, a second terminal 24b to which a leaf spring contact 33b of the ground terminal 33 of the base 30 is electrically connected, and a connecting piece 24c connecting the first terminal 24a and the second terminal 24b. It is formed in a shape. The protruding amount of the second terminal 24 b of the minus terminal 24 is set smaller than the protruding amount of the second terminal 23 b of the plus terminal 23.

  2nd housing 22 of this connector 20 is comprised as a base mounting part with which the base 30 is mounted | worn, as shown in FIGS. The insertion opening 22 a of the second housing 22 is formed in a space opened in a direction intersecting with the insertion opening 21 a of the first housing 21. On the peripheral edge of the opening of the second housing 22, four first to fourth elastically deformable mounting pieces 25,..., 25 are vertically projected with a phase difference of 90 ° on the same circumference. Has been.

  As shown in FIG. 2, the mounting piece 25 is formed with a mounting hole 25 a in which the locking claw 31 of the base 30 is detachably coupled by a snap fit, and the connector 20 is connected via the mounting piece 25. It is configured to be attached to the base 30 with one touch. Thereby, the connector 20 can be easily assembled to the base 30.

(Base configuration)
On the connector facing surface of the base 30, as shown in FIGS. 4 (a) to 6 (b), there are four first to fourth locking claws 31,. , 31 are formed to protrude at a predetermined interval. The locking claws 31 are provided in a pair so as to be opposed to the outer peripheral edge of the base 30, and are configured to engage with the mounting holes 25 a of the mounting pieces 25 of the connector 20 from the inside.

  As shown in FIG. 4A to FIG. 6B, a plus terminal 32 that is an electrical connection portion is joined to the connector facing surface of the base 30. The plus terminal 32 is formed by pressing a metal thin plate having spring elasticity into a predetermined shape. For example, stainless steel or phosphor bronze is used as the metal thin plate.

  As shown in FIGS. 4A to 6B, the plus terminal 32 includes a plate-like joining terminal 32 a connected to the contact screw 15 and one end of the joining terminal 32 a toward the plus terminal 23 side of the connector 20. It is comprised by the leaf | plate spring contact 32b which is the 1st spring contact which rises diagonally. The joint terminal 32a is formed with a screw insertion hole 32c for being fastened and fixed to the base 30 by the contact screw 15, and the screw insertion hole 32c and the screw insertion hole 30b formed in the base 30 are interposed. The leaf spring contact 32b and the contact screw 15 are electrically connected.

  As shown in FIGS. 4A to 6B, a negative terminal (hereinafter also referred to as “earth terminal”) 33 that is an electrical connection portion is disposed on the socket body facing surface of the base 30. Yes. As with the plus terminal 32, the earth terminal 33 is formed by pressing a metal thin plate having spring elasticity into a predetermined shape, and is made of the same material as the plus terminal 32. The ground terminal 33 includes a plate-like joining terminal 33a joined to the outer bottom surface of the socket body 10, and a leaf spring contact 33b which is a second spring contact that rises obliquely from one end of the joining terminal 33a toward the minus terminal 24 side of the connector 20. It is comprised by.

  As shown in FIGS. 4A to 6B, a screw insertion hole 33c for tightening and fixing to the base 30 without contacting the contact screw 15 is formed in the joining terminal 33a of the earth terminal 33. The leaf spring contact 33b and the socket body 10 are electrically connected through the screw insertion hole 33c and the screw insertion hole 30b of the base 30.

  As shown in FIGS. 4A to 6B, the leaf spring contact 33b is disposed so as to have a phase difference of 90 ° from the leaf spring contact 32b of the plus terminal 32 with the contact screw 15 as the center. It extends through a terminal insertion hole 30 a formed through the base 30.

  A leaf spring contact 32b and a leaf spring contact 33b are formed on each of the plus terminal 32 and the ground terminal 33 of the base 30, and the connector 20 and the base 30 are joined by a snap fit so that the electrical connection portion of the connector 20 is connected. And the electrical connection portion of the base 30 are configured to reliably conduct conductive contact.

  With the configuration of the power socket 1 configured as described above, the plus terminal 3 of the product plug 2 is electrically connected to the plus terminal 23 of the connector 20 via the contact screw 15 and the leaf spring contact 32b of the plus terminal 32 with one touch. At the same time, the minus terminal 4 of the product plug 2 is electrically connected to the minus terminal 24 of the connector 20 via the socket body 10 and the leaf spring contact 33 b of the earth terminal 33 with one touch. Each of the plus terminal 23 and the minus terminal 24 of the connector 20 is electrically connected to both ends of a battery (not shown) through a fuse (not shown).

(Effects of the first embodiment)
By adopting the vehicle power socket 1 configured as described above, the following effects can be obtained in addition to the above effects.

(1) Since the connector 20 is configured to be connected to the socket body 10 through the base 30 in a lateral orientation, the overall length of the power socket 1 can be shortened and a low profile can be realized. As a result, it is not necessary to secure an occupied space in the depth direction of the connector 20.
(2) The length dimension of the connector 20 can be shortened, and the mounting space for the connector 20 can be saved.
(3) Since the power socket 1 can be reduced in size, it can be mounted even in a vehicle having an installation space with a small depth, and can be mounted in a space-saving manner.
(4) Since the electrical connection between the connector 20 and the base 30 does not require a tightening operation using a tightening tool such as a nut, the number of mounting steps of the vehicle power socket 1 can be reduced and the cost can be reduced. I can expect.
(5) Since all of the components constituting the electrical connection portion are not fastened and fixed to the socket body 10, it is possible to increase the degree of design freedom for the entire cigar lighter.
(6) Convenience as the vehicle power socket 1 for the accessory plug 2 for accessories can be enhanced.
(7) Since the freedom degree of design of the power supply socket 1 for vehicles becomes high, while being able to suppress an increase in manufacturing cost, simplification and efficiency improvement of assembling property can be improved.

[Second Embodiment]
Referring to FIGS. 7A and 7B, these drawings schematically show a configuration example of the base of the vehicle power socket according to the second embodiment. In these drawings, substantially the same members as those in the first embodiment are given the same member names and symbols. Therefore, a detailed description of substantially the same members as those in the first embodiment is omitted.

  In the first embodiment, each of the joining terminal 32a of the plus terminal 32 and the joining terminal 33a of the ground terminal 33 in the base 30 has a single leaf spring contact 32b that rises obliquely from one end to the connector 20 side. In the second embodiment, each of the two leaf spring contacts 32b and 33b rises obliquely from the joint terminal 32a and one end of the joint terminal 33a toward the connector 20 in the second embodiment. This is different from the first embodiment.

  7A and 7B, the plus terminal 32 provided on the connector-facing surface of the base 30 has a leaf spring contact 32b that rises obliquely from one end of the joining terminal 32a to the connector 20 side. The leaf spring contact 32b is formed with a slit-like notch 32d extending in the longitudinal direction from the free end. The leaf spring contact 32b is divided into two parts by the notch 32d. Thereby, the plus terminal 32 is configured to contact the plus terminal 23 of the connector 20 at two locations.

  Even in the ground terminal 33 provided on the socket body facing surface of the base 30, like the plus terminal 32, the leaf spring is formed by a slit-like notch 33 d extending in the longitudinal direction from the free end of the leaf spring contact 33 b. The contact 33b is divided into two parts. Thereby, the earth terminal 33 is configured to contact the minus terminal 24 of the connector 20 at two locations.

(Effect of the second embodiment)
Even in the second embodiment, in addition to obtaining the same effect as that of the power socket 1 according to the first embodiment, the following effect can be obtained.

(1) The plus terminal 32 of the base 30 is configured to contact the plus terminal 23 of the connector 20 at two locations, and the ground terminal 33 of the base 30 contacts the minus terminal 24 of the connector 20 at two locations. Since it is comprised in this way, the contact property of the connector 20 can be improved.
(2) Since the contact force of the leaf spring contacts 32b and 33b can be increased in a state where the spring reaction force is large, it is possible to prevent poor contact of the electrical connection between the connector 20 and the base 30. it can.

[Modification]
In each of the above embodiments, for example, the following modifications are possible.

(1) The shapes and arrangement positions of the plus terminal 23 and minus terminal 24 of the connector 20 and the plus terminal 32 and ground terminal 33 of the base 30 can be arbitrarily set, and are limited to the illustrated example. Of course, it is not a thing. The shape and arrangement position of these electrical connection components are appropriately determined according to the shape and structure of the socket body 10.
(2) The snap-fit coupling structure in which the locking claw 31 is formed on the base 30 and the mounting hole 25a is formed in the mounting piece 25 of the housing 20 is illustrated, but it is of course not limited to the illustrated example. is there. As this snap-fit coupling structure, for example, a mounting hole can be formed in the base 30 and a locking claw can be formed in the mounting piece 25 of the housing 20, which is a concave-convex coupling that fits and fixes a concave portion and a convex portion. Is preferred.
(3) As the contact screw 15, for example, a bolt, a rivet, a pin, or the like can be adopted.

  As is clear from the above description, the vehicle power socket 1 of the present invention has been described based on the above-described embodiment, modification, and illustrated example. However, the present invention is not limited to the above-described embodiment, modification, and figure. The present invention is not limited to the illustrated examples, and can be implemented in various modes without departing from the gist thereof.

  Furthermore, in the present invention, not all the combinations of features described in the above-described embodiments, modifications, and illustrated examples are necessarily essential to the means for solving the problems of the present invention. It should be noted.

DESCRIPTION OF SYMBOLS 1 ... Power socket, 2 ... Supply plug, 3 ... Positive terminal, 4 ... Negative terminal, 5 ... Interior goods for vehicles, 5a ... Mounting hole, 6 ... External connector, 10 ... Socket body, 11 ... Plug insertion port, 12 ... Cylindrical insertion part, 13 ... flange, 14 ... insulator, 15 ... screw, 20 ... connector, 21 ... first housing, 21a, 22a ... insertion opening, 22 ... second housing, 23 ... plus terminal, 23a, 24a ... first 1 terminal, 23b, 24b ... second terminal, 23c, 24c ... connecting piece, 24 ... minus terminal, 25 ... mounting piece, 25a ... mounting hole, 30 ... base, 30a ... terminal insertion hole, 30b, 32c, 33c ... screw Insertion hole, 31 ... locking claw, 32 ... plus terminal, 32a, 33a ... junction terminal, 32b, 33b ... leaf spring contact, 32d, 33d ... notch, 33 ... earth terminal

Claims (5)

A socket body that holds the product plug in a removable manner;
A horizontal connector for connecting an external connector for supplying vehicle power in a horizontal state;
One end is fixed to the outer bottom surface of the socket body, and the other end is fitted to the side surface of the horizontal connector and has a base having an electrical connection portion that is electrically connected to the horizontal connector;
A vehicle power socket characterized by comprising: The horizontal connector has a positive connector terminal that connects a positive power terminal of the external connector, and a negative connector terminal that connects a negative power terminal of the external connector,
The electrical connecting portion has a plus terminal for connecting the plus side of the article plug on the side of the horizontal connector facing surface of the base, and a minus for connecting the minus side of the article plug to the socket body facing side of the base. Have a terminal,
The positive terminal has a first spring contact that elastically contacts the positive connector terminal when fitted and fixed to a side surface of the horizontal connector;
2. The vehicle power socket according to claim 1, wherein the negative terminal has a second spring contact that elastically contacts the negative connector terminal when fitted and fixed to a side surface of the horizontal connector.   Each of the plus connector terminal and the minus connector terminal has a first terminal that connects the external connector on one end side, and a second terminal that connects the spring contact on the other end side, and the first terminal 3. The vehicle power socket according to claim 2, wherein the second terminal is continuously bent. The horizontal connector includes a first housing having an insertion opening opened in a direction intersecting with the insertion / removal direction of the product plug, and a second housing having an insertion opening opened in the insertion / removal direction of the product plug. ,
The first terminal protrudes toward the insertion opening of the first housing, and the second terminal protrudes in a direction intersecting the insertion direction of the second housing. The vehicle power socket according to claim 3. A convex portion is provided on one of the base and the horizontal connector,
The vehicular power socket according to any one of claims 1 to 4, wherein a concave portion to which the convex portion is snap-fit coupled is provided on the other of the base and the horizontal connector.

Images