JP2001176617A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve efficiency in assembling. SOLUTION: A connector comprise a housing 10 comprising a housing space 11 which can contain an electric part 28 and a part-receiving entrance 12 which receives the electric part 28 into the housing space 11, a terminal fitting 20 which is fitted to the housing 10 in such a way as the connecting part 24 with the electric part 28 faces the housing space 11, and a pressing piece 25 which is installed at the part-receiving entrance 12 and holds the electric part 28 clamping and pressing with the inner surface of the housing space 11. In fitting the connector, without using fillers, the electric part 28 is held firmly without looseness and connected to the terminal fitting 20, simply by installing the pressing piece 25 at the part-receiving entrance 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector.

[0002]

2. Description of the Related Art For example, a connector provided with an electric component for noise reduction or the like is disclosed in Japanese Patent Application Laid-Open No. 7-65904.
Is disclosed in Japanese Unexamined Patent Application Publication No. 2000-205,878. In this method, a terminal fitting is attached to a housing having a component storage chamber, a component connection part of the terminal fitting is projected into the component storage chamber, and a lead terminal of an electric component stored in the component storage chamber is soldered to the component connection part. Further, a filling material such as an epoxy resin is filled in the component accommodating chamber, and the electric component and the soldered portion between the component connection portion and the lead terminal are covered with the filling material. This filler exerts a function of restricting the floating of the electric component and preventing the soldered portion between the lead terminal and the component connection portion from being separated.

[0003]

In the above-mentioned conventional connector, it is necessary to control the filling amount of the filler when assembling, and it takes a long time to cure the filler, so that improvement in work efficiency is desired. Was rare. The present invention has been made in view of the above circumstances, and has as its object to improve assembly efficiency.

[0004]

According to a first aspect of the present invention, there is provided a housing having an accommodation space capable of accommodating an electric component, and a component accommodating opening for accommodating the electric component in the accommodation space; A terminal fitting attached to the housing so that a connection portion with an electric component faces the accommodation space, and the electric component is sandwiched between an inner surface in the accommodation space by being attached to the component accommodation opening. And a pressing member that can be pressed as described above.

According to a second aspect of the present invention, in the first aspect of the present invention, a holding portion capable of holding the electric component in a connected state with the terminal fitting is formed in the housing space. According to a third aspect of the present invention, in the first or second aspect, an elastic pressing means is provided which is capable of elastically pressing the electric component by attaching the pressing member to the component receiving opening. did. According to a fourth aspect of the present invention, in the third aspect of the present invention, a portion of the pressing member that presses the electric component is elastically deformable so that the pressing member has a function of the elastic pressing means. .

[0006] The invention of claim 5 is the invention of claims 1 to 4.
In any one of the inventions described above, a configuration is provided in which sealing means capable of restricting water from flowing into the housing space from the mounting portion of the pressing member in the component housing opening is provided.
According to a sixth aspect of the present invention, in the invention of the fifth aspect, at least a portion of the pressing member that comes into contact with the component storage port is made of an elastic material, so that the pressing member also has a function of the sealing means. .

[0007]

According to the first aspect of the present invention, when assembling, the electric component can be prevented from floating in a state where the electric component is connected to the terminal fitting by merely attaching the pressing member to the component receiving port without using a filler. Will be retained. [Invention of claim 2] Since the holding portion is formed in the accommodation space, the electric component is held in a connected state with the terminal fitting until the pressing member is attached, and the connection between the electric component and the terminal fitting is disconnected. You don't have to. [Invention of Claim 3] Since the electric component is elastically pressed, even if the molding dimensions of the electric component vary, it can be absorbed and reliably pressed and held.

[0010] Since the pressing member has the function of the elastic pressing means, the number of parts can be reduced as compared with the case where the elastic pressing means is separately provided. [Invention of claim 5] Since the sealing means is provided, it is possible to prevent the electric parts in the accommodation space and the connection parts between the electric parts and the terminal fittings from being wet. [Invention of claim 6] Since the pressing member also has the function of the sealing means, the number of parts can be reduced as compared with the case where the sealing means is separately provided.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment A first embodiment of the present invention will be described below with reference to FIGS. The connector according to the present embodiment includes a housing 10, a pressing member 25, a terminal fitting 20, and an electric component 28. In the following description, the left side of FIGS. 2 and 3 is the front side in the front-rear direction. The vertical direction is based on FIG. The housing 10 is made of a synthetic resin, and has a front surface opened to fit a box-shaped housing space 11 whose upper surface is opened as a component housing port 12 over the entire area thereof and a mating housing (not shown). The fitting portion 13 has a rectangular tube shape. The accommodation space 11 has a rectangular shape when viewed from above, and a mounting portion 14 for mounting the electric component 28 is formed on a bottom surface thereof. The mounting section 14
It is flat as a whole so as to match the shape of the bottom of the electric component 28, but each of the front, rear, left and right edges thereof is a positioning edge 15 which rises obliquely. This allows
When the electric component 28 is placed on the mounting portion 14, the electric component 28 is positioned without moving back and forth and right and left. In addition, mounting holes 16 are formed on the left and right side walls of the housing space 11 so as to be located above the upper surface of the electric component 28 mounted on the mounting portion 14.
The pressing member 25 is locked in the mounting hole 16.

A front wall 17 constituting the housing space 11 partitions between the fitting portion 13 and a pair of left and right terminal fittings 20 penetrate the front wall 17. The terminal fitting 20 is bilaterally symmetric, and is integrated with the housing 10 by insert molding or press-fitting from the housing space 11 side. The terminal fitting 20 has a tab 21 protruding forward in the fitting portion 13.
A laterally extending portion 22 extending outward from the rear end of the tab 21; a bent portion 23 extending rearward from the laterally extending portion 22 in an L-shape when viewed from the side; And a connecting portion 24 that rises upward from the rear end. The connecting portion 24 has a slit 24A that opens upward, and this slit 24A
The lead terminal 29 of the electric component 28 is fitted to A.

The pressing member 25 is entirely made of rubber, and has a planar shape capable of being closely fitted to the inner periphery of the component accommodating port 12 of the housing 10. A pair of right and left mounting portions 26 that fit into the mounting holes 16 of the housing 10 are formed in a region along the left and right side edges of the outer peripheral surface of the pressing member 25. When the pressing member 25 is fitted in the component accommodating opening 12, the mounting portion 26 and the mounting hole 16 are fitted, whereby the floating movement of the pressing member 25 with respect to the housing 10 in all directions, up, down, left, right, and front and back is regulated. You. The upper surface of the mounting portion 26 is flush with the upper surface of the pressing member 25. Pressing member 2
5 is fitted into the component receiving port 12, the pressing member 25
Has a height slightly lower than the upper end of the component housing opening 12 of the housing 10.

Attachment portion 26 on outer peripheral surface of pressing member 25
A plurality of lip portions 27 along the circumferential direction are vertically formed in a region below the lower portion. In a state where the pressing member 25 is fitted into the component accommodating port 12, the lip portion 27 is elastically crushed and deformed against the inner periphery of the component accommodating port 12 and adheres tightly over the entire periphery. Infiltration from the space 12 into the accommodation space 11 is prevented. That is, the pressing member 25
It has the function of the sealing means which is a component of the present invention.

The thickness of the pressing member 25 is set as follows. That is, in a state where the pressing member 25 is fitted into the component accommodating port 12, the vertical interval between the lower surface of the pressing member 25 and the upper surface of the mounting portion 14 is smaller than the thickness dimension of the electric component 28. It is set to be. Therefore, when the pressing member 25 is assembled in a state where the electric component 28 is placed on the mounting portion 14, the lower surface of the pressing member 25 is pressed upward by the upper surface of the electric component 28 to be elastically deformed, and its elastic restoring force ( Electric component 2 by reaction force)
8 is held in a state of being elastically sandwiched on the mounting portion 14 side (downward).

The electric component 28 has a pair of lead terminals 29 projecting forward in parallel from both left and right ends at the front edge thereof. 20 and the electric component 28 can be conducted. Next, the operation of the present embodiment will be described. When assembling, first, the electric component 28 is accommodated in the accommodation space 11 from the component accommodation opening 12 on the upper surface of the housing 10 with the lead terminal 29 facing forward, and the electric component 28 is placed on the upper surface of the mounting portion 14. Put on. At this time, the electric component 28 is positioned at a predetermined position in the horizontal direction by the positioning edge 15 on the periphery of the mounting portion 14. Also, the mounting unit 14
When the electric component 28 is placed on the terminal fitting 20, the lead terminal 29 is fitted so as to press-fit into the slit 24A of the connection portion 24 of the terminal fitting 20, whereby the electric component 28 and the terminal fitting 2 are fitted.
0 becomes conductive. The electric component 28 is connected to the positioning edge 15 of the mounting portion 14 and the lead terminal 29 and the connecting portion 2.
The movement in the horizontal direction is restricted by the friction caused by the press-fitting with the fourth member 4.

Thereafter, the pressing member 25 is fitted into the component accommodating port 12. In the fitted state, the detachment of the pressing member 25 from the housing 10 is restricted by the attachment portion 26 being locked in the attachment hole 16. Also, the lower surface of the pressing member 25 presses against the upper surface of the electric component 28 while being elastically bent, whereby the electric component 28 is elastically clamped and held between the placing portion 14 and the pressing member 25. You. Further, since the lip portion 27 of the pressing member 25 is in close contact with the inner periphery of the component housing port 12, the inside of the housing space 11 is waterproof.

According to this embodiment, the electric component 28 is held non-movably in the state of being connected to the terminal fitting 20 only by attaching the pressing member 25 to the component accommodating port 12 at the time of assembling. There is no need for a filler to regulate the movement. Further, since the electric component 28 is elastically pressed, even if there is a variation in the molding dimension (thickness dimension) of the electric component 28, it can be absorbed and reliably pressed and held. .

Further, the pressing member 25 is made of an elastic material, and the lower surface thereof (the portion for pressing the electric component 28) can be elastically bent, so that the pressing member 25 has the function of elastic pressing means. Compared with the case where the means is separately provided, the number of parts can be reduced. In addition, since a lip 27 is formed on the outer periphery of the pressing member 25 to prevent water from entering into the housing space 11 from the mounting portion of the pressing member 25 in the component housing port 12, the electric components 28 in the housing space 11, In addition, water is prevented from being applied to a connection portion between the electric component 28 and the terminal fitting 20.

Further, since the pressing member 25 has the function of the sealing means by forming the lip portion 27, the number of parts can be reduced as compared with the case where the sealing means is separately provided. Second Embodiment Next, a second embodiment of the present invention will be described with reference to FIGS. The present embodiment is different from the first embodiment in the manner of positioning the electronic component 28 in the housing space 11 and the manner in which the electronic component 28 is held by the pressing member 34. Other configurations are the same as those in the first embodiment, and thus the same configurations are denoted by the same reference numerals, and description of the structures, operations, and effects will be omitted.

In the housing space 11 of the second embodiment, a mounting portion 31 rising from a substantially central position on the bottom surface, a positioning rib 32 in a vertical direction along a rear wall of the housing space 11, and a mounting portion 31 And a pair of elastic holding pieces 33 (holding parts, which are constituent elements of the present invention) that stand up from both left and right positions. At the upper end of the elastic holding piece 33, an inward projection 33A is formed. Electronic component 2
8 is a state in which the rear end is in contact with the positioning rib 32 and the left and right side edges are in contact with the elastic holding piece 33.
It is mounted on the mounting portion 31. The electronic component 28 is positioned in the front, rear, left, and right directions by the positioning rib 32 and the elastic holding piece 33. Also, a protrusion 33 at the upper end of the elastic holding piece 33
Since A is locked from obliquely above the side edge of the electronic component 28, the upward movement of the electronic component 28 is also restricted.

The pressing member 34 is attached so as to cover the component accommodating port 12 from above, and is attached by a not-shown locking means formed on the side edge of the pressing member 34 and the upper end of the housing 10. Is held. An elastic pressing piece 35 is formed on the lower surface of the pressing member 34 so as to elastically contact the upper surface of the electronic component 28 positioned as described above. The elastic pressing piece 35 has a plate shape extending in an arc shape obliquely forward and downward when viewed from the side, and is capable of elastic bending such that its lower end portion is vertically displaced.

In the second embodiment, the electronic component 28 is inserted into the receiving space 11 from the component receiving opening 12, and its lead terminal 29 is fitted to the connecting portion 24 of the terminal fitting 20. The electronic component 28 accommodated in the accommodation space 11 is
1. Since the positioning member 32 is held in the positioning state by the positioning ribs 32 and the elastic holding pieces 33, the electric component 28 is held in the connection state with the terminal fitting 20 until the pressing member 34 is attached. Connection with the server does not need to be disconnected.

Thereafter, the pressing member 34 is attached so as to close the component accommodating port 12, and further, the component accommodating port 12 is closed.
And the contact portion of the pressing member 34 is welded over the entire circumference,
The welded portion 36 (seal means which is a component of the present invention)
Is made watertight. Thereby, inundation into the accommodation space 11 is prevented. In a state where the pressing member 34 is assembled, the elastic pressing piece 35 elastically abuts on the electronic component 28, thereby preventing the electronic component 28 from rising. In addition, even if the thickness of the electronic component 28 varies, the variation is absorbed by the change in the amount of elastic bending of the elastic pressing piece 35, and the electronic component 28 can be reliably held.

The other functions and effects are the same as those of the first embodiment, and the description is omitted. [Other Embodiments] The present invention is not limited to the embodiment described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention. Various changes can be made without departing from the scope of the invention. (1) In the above embodiment, the elastic pressing means is provided on the pressing member side. However, according to the present invention, the elastic pressing means may be provided on the housing side.

(2) In the above embodiment, the case where the sealing means for waterproofing the accommodation space is provided has been described. However, according to the present invention, a configuration without the sealing means may be adopted. (3) In the first embodiment, the pressing member has both functions of the elastic pressing unit and the sealing unit. However, according to the present invention, only a part of the pressing member is made of the elastic material, and the elastic pressing unit and the sealing unit are used. A configuration having only one of the functions may be employed.

(4) In the first embodiment, the entire pressing member is made of an elastic material. However, according to the present invention, a highly synthetic plate is disposed on the upper surface of the pressing member and this plate is locked to the housing. It may be. With this configuration, the upward deformation of the pressing member can be prevented, and the function of pressing the electric component and the function of sealing the gap between the housing and the housing can be improved. (5) In the above embodiment, another terminal fitting is connected to the end of the terminal fitting on the side opposite to the electric component. However, according to the present invention, crimping or pressure contacting is performed on the terminal fitting. The present invention can also be applied to a case where electric wires are directly connected by means.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first embodiment.

FIG. 2 is a horizontal sectional view of a housing.

FIG. 3 is a longitudinal sectional view showing a state where a pressing member is assembled to a housing.

FIG. 4 is a cross-sectional view of a state where a pressing member is assembled to a housing.

FIG. 5 is a sectional view showing a connection portion between the terminal fitting and the electric component.

FIG. 6 is a partial front view of a housing according to a second embodiment.

FIG. 7 is a sectional view taken along line XX of FIG. 6;

FIG. 8 is a sectional view taken along line YY of FIG. 6;

FIG. 9 is a longitudinal sectional view showing a state where a pressing member is attached to a housing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Housing 11 ... Housing space 12 ... Component accommodation opening 20 ... Terminal fitting 24 ... Connection part 25 ... Pressing member (seal means, elastic pressing means) 28 ... Electric component 33 ... Elastic holding piece (holding part) 34 ... Pressing member 35 ... Elastic pressing piece (elastic pressing means) 36 ... Welding part (sealing means)

Claims (6)

[Claims] A housing having an accommodation space capable of accommodating an electric component, a component accommodating opening for accommodating the electric component in the accommodation space, and a connecting portion for connecting the electric component in the accommodation space. A terminal fitting attached to the housing so as to face the housing, and a pressing member capable of being attached to the component accommodating opening so as to sandwich the electric component between an inner surface in the accommodation space. Connector. 2. The connector according to claim 1, wherein a holding portion capable of holding the electric component in a connected state with the terminal fitting is formed in the housing space. 3. The connector according to claim 1, wherein an elastic pressing means is provided for elastically pressing the electric component by attaching the pressing member to the component receiving opening. . 4. The connector according to claim 3, wherein a portion of the pressing member that presses the electric component is elastically bendable so that the pressing member has a function of the elastic pressing means. 5. A sealing means which is capable of restricting water from flowing into the housing space from a mounting portion of the pressing member in the component housing opening.
The connector according to claim 4. 6. The connector according to claim 5, wherein at least a portion of said pressing member which abuts on said component housing port is made of an elastic material, so that said pressing member also has a function of said sealing means.