JPH0635356Y2 - Attachment mounting structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a mounting structure of a pair of connecting tools suitable for relay-connecting a straight tube lamp, a glass tube fuse or the like to an external connecting member such as a tab terminal. Regarding

[Prior Art] As a mounting device for this kind of connecting device, there is a conventional device, for example
Some of them are described in JP-A-62-135337.

This conventional technique is provided with an insulating bottomed cylindrical holder body that accommodates and holds a fuse tube and is mounted in a mounting hole of a mounted member, and the outside of the holder body is engaged in the mounting hole. The fuse holder is characterized in that an engaging portion is provided.

[Problems to be Solved by the Invention] However, in the case of embodying the above-mentioned structure, this one has no choice but to have an elongated shape as a whole, including the locking piece of the core (see the drawings in the above publications). ) Because the flat frame and the hook-shaped bullets turned from the lower edge of this frame are not used,
The connector cannot be mounted and mounted on the member to be mounted in a flat state, and even if the above-mentioned reference 1 is forcibly applied to each of the above-mentioned references, the connector and the mounting thereof above and below in the thickness direction of the member to be mounted. There is a big problem that the article cannot be used as an interior light of a passenger car or the like because it is a nuisance and is dangerous as an interior light of a passenger car.

The object of the present invention is to eliminate the above-mentioned problems and to devise a flat structure connector attachment structure that does not significantly project into the interior of the vehicle even if it is applied to an interior light of a vehicle so that it can be automatically manufactured at low cost.

[Means for Solving the Problems] The above-mentioned object of the present invention is to use an insulating block, to which a connecting tool is attached, by attaching the insulating block to a member to be attached, the insulating base being formed of an insulating material into a substantially flat frame shape. 1, flange pieces 2 and 2 projecting from the lower side surface of the insulating base 1, paired connector insertion holes 3 and 3 formed on the insulating base 1, and these connector insertion holes 3 and 3. A pair of protrusions 4 and 4 projecting from the opposing surfaces of the two, and two connecting members 7 and 7 each having an elastic conductive plate formed in a substantially shape and provided with a pair of holding pieces 5 and 5 and a lead wire 6, respectively. These two connecting tools 7,7 are formed in the bases of the sandwiching pieces 5,5 by mounting holes 8,8, and the pair of connecting tool insertion holes 3,3 are provided via the pair of projections 4,4. The connector assembly 9 attached to each of the
Attachment hole 10 which is slightly larger than the planar contour of the insulating substrate 1.
And a mounted body 12 having a plurality of hook-shaped bullet pieces 11 and 11 protruding from the upper side of the attachment hole 10 by turning downward from the upper side. The upper surfaces of the collar pieces 2, 2 are in contact with the lower surface of the edge of the attachment hole 10, and the hook-shaped bullet pieces
This can be achieved by elastically contacting the hooks 11 and 11 with the lower surface of the insulating base 1 and attaching the connector assembly 9 to the attached body 12 in the attachment hole 10.

[Operation] In this invention, when the connector assembly is inserted into the attachment hole of the attached body against the elastic force of the hook-shaped bullet of the attached body, the hook-shaped bullet separates from the lower end of the insulating base and snaps. After returning, the hook surface of the hook-shaped bullet piece abuts the lower surface of the insulating base body, and the brim piece of the insulating base body abuts the lower surface of the mounted body to attach the connector assembly to the mounted body with one-shot locking. it can.

The insulating base 1 that constitutes the connector assembly 9 has a flat frame shape, and the hook-shaped bullet piece that is formed by connecting downwardly to the upper edge of the attachment hole of the attached body forms the base of the attached body. Since it is firmly formed integrally without moving and turned downward along the attachment hole edge, it can be mounted and mounted while keeping the flat state with respect to the mounted object. Moreover, the insulating substrate does not move, and when used as an interior light of a passenger car or the like, it does not become a person's jam and can be stably used against vibrations and the like.

Also, since the base of the hook-shaped bullet piece formed on the mounted body is firmly molded integrally with the mounted body without moving, it is mechanically robust, and after mounting the insulating substrate on the mounted body, it inadvertently insulates. The substrate does not move.

Further, by providing a pair of holding pieces and a lead wire in one connecting tool, a straight tube lamp, a glass tube fuse, etc. can be held tightly by a pair of holding pieces and held to connect to an external circuit via the lead wires. Can be used.

Since the attachment structure of the connector, that is, the connector assembly is surrounded by the insulating base, the two connectors can be mounted with good compatibility regardless of the conductive plate or the insulating plate through the base.

[Examples] Examples will be described with reference to the drawings.

First, as shown in FIGS. 1 and 2, the basic structure of the present invention is such that a plurality of collar pieces 2, 2 projecting from the side surface of an insulating substrate 1 made of an insulating material such as a heat-resistant plastic formed into a substantially rectangular parallelepiped frame shape.
And a pair of connector insertion holes 3 formed in the insulating base 1,
The insulating base 1 is composed of 3 and the pair of protrusions 4, 4 protruding from the facing surfaces of the connector insertion holes 3, 3.

Further, as the connecting tool 7, as shown in FIG. 1, an elastic conductive plate is formed into a substantially shape, and a pair of holding pieces 5, 5 and a lead wire 6 are formed.
Two connecting tools 7, 7 each equipped with are used.

Then, these two connecting tools 7,7 are formed in the bases of the holding pieces 5,5 by means of mounting holes 8,8 and the pair of connecting tool insertion holes 3,8 are provided through the pair of projections 4,4. Attached to each of the three parts, a connector assembly 9 is constructed as shown in FIG.

A plate material made of plastic or metal is used as the attached body 12, and as shown in FIG. 2, an attachment hole 10 slightly larger than the plane contour of the insulating base 1 is provided, and the attachment hole 10 is also provided.
Attach the hooked bullets 11, 11 to the side edge of the
Make up.

Then, the connector assembly 9 is inserted into the attachment hole 10 of the attached body 12 through the state shown in FIG. 4 and, as shown in FIG.
When inserted against the elastic force of 1,11, the hook-shaped bullet pieces 11,11 come off from the lower end of the insulating base 1 and snap back, and the hook-shaped bullet pieces 11,11
The hook surface of the connector abuts on the lower surface of the insulating base body 1 and the collar pieces 2, 2 abut on the lower surface of the mounted body 12, so that the connector assembly 9 is mounted on the mounted body 12 as shown in FIGS. It can be attached with one-shot locking.

Next, a specific example of the mounting structure of the connector according to the present invention will be described in detail.

The insulating substrate 1 is formed by molding a heat-resistant plastic such as 66 nylon or polybutylene terephthalate.
As shown in the figure, the insertion holes 3, 3 for the two connectors 7, 7 are formed at a predetermined interval on the upper surface side, and the insertion holes 3 are formed on the lower surface of the base 1 as shown in the figure. A pair of protrusions 4, 4 for engaging the connecting tool 7 are provided on the inner wall surfaces facing each other.

As shown in FIG. 1, the connecting tool 7 is made of a conductive leaf spring material, such as phosphor bronze, nickel silver, beryllium copper, etc., which is punched out in a letter-like shape so that the bottom portion is formed at the branch portion. A pair of holding pieces 5 and 5 serving as a hugging socket portion are formed by bending in a substantially letter shape, and the lead wire connecting portion 6a extending from the side of the bottom is parallel to the pair of holding pieces 5 and 5. It is provided in.

The lead wire 6 connecting portion 6a may be simply a projecting piece, and the lead wire 6 may be soldered to the projecting piece. Further, the lead wire 6 may be soldered or crimped to the bottom between the sandwiching pieces 5,5. It may be a line connection part.

The protrusions 4, 4 of the connector insertion hole 3 are provided at the bases of the holding pieces 5, 5 described above.
A rib for forming a gap between the mounting holes 8 and 8 for piercing and locking and the reinforcement of the holding pieces 5, 5 and the inner wall of the connector insertion hole 3 to obtain a chimney effect for heat dissipation. 18,18 are formed.

As shown in FIG. 2, the connector 7 is a pair of holding pieces.
The protrusions 4, 4 are provided with mounting holes 8, 8 formed at the bases of 5, 5 on the wall surfaces of the connector insertion hole 3 of the insulating base 1 facing each other.
The elasticity of the holding pieces 5, 5 is used to fit the punch into the punch and mount it to form a connector assembly 9 as shown in FIG.

The attached body 12 is made of a plastic or metal plate and has an attachment hole 10 slightly larger than the plane contour of the insulating base 1 as shown in FIG. Hook-shaped bullets 11, 11 are formed downward on the side edge.

As shown in FIG. 3, the connector assembly 9 is sandwiched between the hook-shaped bullet pieces 11 and 11 and the collar pieces 2 and 2 in the attachment hole 10 of the attached body 12 from the edge of FIG. Insert and mount in the order shown in FIG.

That is, the connector assembly 9 is inserted into the attachment hole 10 of the mounted body 12.
After passing through the state shown in FIG. 4, as shown in FIG.
When inserted against the elastic force of 11,11, the hook-shaped bullet pieces 11,11 come off from the lower end of the insulating base 1 and snap back, and the hook-shaped bullet pieces 11,11
Of the connector base 9 is brought into contact with the lower end of the insulating base 1 and the flange pieces 2 and 2 are brought into contact with the lower surface of the body 12 to be attached, so that the connector assembly 9 is attached to the body 12 as shown in FIGS. It can be attached to the so-called "cassette pon" type.

In this mounted state, the vertical movement of the insulating base body 1 with respect to the mounted body 12 is such that the hook edge of the hook-shaped bullet piece 11 and the upper surface of the brim piece 2 attach the lower surface of the insulating base body 1 and the mounted body 12, respectively. It is restricted by the periphery of the hole 10 and does not rattle.

In addition, connecting conductive parts l, l such as a straight tube lamp L and a glass tube fuse are inserted and used between the pair of holding pieces 5, 5.

Further, FIGS. 7 to 11 show another embodiment of the present invention, in which the edge of the attachment hole 10 of the mounted body 12 is raised to form a frame shape and the lower surface of the insulating base 1 in the mounted state. And attached body
The lower surface of 12 is made flush as shown in FIG.

In each of FIGS. 7 to 11, the parts designated by the same reference numerals as those in the embodiment shown in FIGS. 1 to 6 are the same or equivalent parts as those in the embodiment.

[Advantages of the Invention] Since the present invention is configured as described above, it has the following effects.

Insulating base 1 which constitutes the connector assembly 9 in this invention
Is a flat frame shape, and the hook-shaped bullet piece 11 formed by connecting downwardly to the upper edge of the attachment hole 10 of the attached body 12 is firmly integrated with the base of the attached body 12 without moving. Since the assembly 9 is formed and turned downward along the edge of the attachment hole, the assembly 9 can be attached and mounted in a flat state with respect to the body 12 to be attached. Therefore, there is a first effect that when used as an interior light of a passenger car or the like, it does not become a person's jam and can be used stably against vibration and the like. Further, since the insulating substrate 1 is flat and relatively small, and the amount of resin used is small, even if it is molded with expensive heat-resistant plastic, it is cost-effective and a relatively large size for mounting. Since it is not necessary to use particularly expensive heat-resistant plastic for the insulating plate, there is also a second effect that a good heat-resistant structure can be obtained at low cost.

[Brief description of drawings]

Each of the drawings shows an embodiment of the present invention. FIG. 1 is a perspective view showing a state in which a connector used in the present invention and an insulating base are separated, and FIG. 2 shows a connector assembly and an attached body. FIG. 3 is a perspective view of a separated state, FIG. 3 is a perspective view of a state of use after assembling the same, and FIGS. 4 to 6 are cross-sectional views showing a procedure for inserting an insulating substrate into an attached body. FIG. 8 is a perspective view of a body to be attached and a connector assembly of another embodiment, FIG. 8 is a perspective view after the same is assembled, and FIGS. 9 to 11 are attached to bodies of other embodiments. It is sectional drawing which shows the procedure of inserting and attaching an insulating base. 1 ... Insulating substrate, 7 ... Connection tool 2 ... Collar piece, 8 ... Mounting hole 3 ... Connection tool insertion hole, 9 ... Connection tool assembly 4 ... Protrusion, 10 ... Attachment hole 5 …… Clamping piece, 11 …… Hook-shaped bullet piece 6 …… Lead wire, 12 …… Mounted body

Claims (1)

[Scope of utility model registration request] 1. An insulating block, to which a connector is attached, is attached to a member to be used, and an insulating base body 1 is formed of an insulating material into a substantially flat frame shape. The flange pieces 2 and 2 provided, the pair of connector insertion holes 3 and 3 formed in the insulating base 1, and the pair of protrusions 4 projecting from the opposing surfaces of these connector insertion holes 3 and 3. , 4, and two connecting tools 7,7 each of which has an elastic conductive plate formed in a substantially shape and has a pair of holding pieces 5,5 and a lead wire 6, respectively, and these two connecting tools 7,7.
A connector assembly 9 in which a pair of connector holes are attached to the pair of connector insertion holes 3 and 3 via the pair of projections 4 and 4 formed in the bases of the holding pieces 5 and 5, respectively. And a plurality of hook-shaped bullet pieces 11, which have attachment holes 10 slightly larger than the planar contour of the insulating base 1 and which are provided on the side edges of the attachment holes 10 by being turned downward from above and protruding. And the attached body 12 having the attachment body 11, and the upper surfaces of the collar pieces 2 and 2 of the connector assembly 9 are attached to the attachment hole 1
0 The lower surface of the edge is abutted, and the hook edges of the hook-shaped bullet pieces 11, 11 are elastically contacted with the lower surface of the insulating base 1 to attach the connector assembly 9 to the attached body.
An attachment structure of a connector, which is attached to the inside of the attachment hole 10 of the connector 12.