JP3339966B2 - connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette and a connector for connecting a cassette such as a cartridge containing an IC memory.

2. Description of the Related Art In recent years, there has been a demand for smaller, thinner, and lighter electronic devices such as computers as well as improved performance. Therefore, the components used are required to be small, thin, and light. Among them, a connector for connecting a cassette such as an IC memory cartridge from the outside is desired to be particularly thin.

[0003]

2. Description of the Related Art FIG. 6 shows a configuration diagram of a conventional cassette. FIG. 6A is a perspective view, and FIG. 6B is a cross-sectional view of the connector.

In FIG. 6A, a connector 11
This is for mounting a cassette 12 such as an OM cartridge or an IC memory cartridge to electrically connect the cassette 12 with a control circuit and the like. Cassette 12
A substrate 14 having a rectangular fitting opening 13 formed in a mounting portion of the connector 11 and having a concave shape, and having a terminal 14 a for electrical connection formed in the fitting portion 13.
Are arranged.

On the other hand, the connector 11 is shown in FIG.
As shown in (B), the brim portions 15a formed on both sides,
The connecting body 16 is integrally formed so as to extend between the connecting members 15b. The connecting body 16 has a mounting portion 17 into which the fitting portion 13 of the cassette 12 is fitted. The mounting portion 17 has an upper mounting portion 19a and a mounting portion 19b arranged and formed in the vertical direction of the notch portion 18. .

The upper mounting portion 19a is located in the fitting portion 13 when the cassette 12 is mounted, and the cassette 12 is mounted on the mounting portion 19b. Mounting part 19
b is formed at a predetermined height in consideration of the mountability of the cassette 12.

[0007] A flexible contact 20 corresponding to the terminal 14a of the cassette 12 is disposed on the notch 18 side of the upper mounting portion 19a of the connector 16 of the connector 11, and a lead terminal 21 extending therefrom. Are bent downward on the back surface of the connection portion 16. On the other hand, positioning portions 22a and 22b at the time of mounting are appropriately formed on the lower surfaces of the mounting portions 15a and 15b. Note that the lead terminal 21 and the positioning portions 22a, 22
b is omitted in FIG.

FIG. 7 is a sectional view showing how the cassette is fitted to the connector shown in FIG. Connector 11 shown in FIG.
Are positioned by the positioning portions 22a and 22b on a wiring board 23 on which a control circuit and the like are formed, for example.
1 is fixed by soldering.

Then, the cassette 12 is fitted and mounted so that the upper mounting portion 19a of the mounting portion 17 of the connector 11 is included in the fitting portion 13 of the cassette 12. At this time, each terminal 1 disposed on the substrate 14 of the cassette 12
4a comes into contact with the corresponding contact 20 of the connector 11 to make an electrical connection.

Incidentally, the connector 11 and the cassette 12 shown in FIG. 6 are fitted even if the cassette 12 is inserted upside down.

FIG. 8 shows a configuration diagram of another conventional cassette and connector. FIG. 8A is a perspective view, and FIG.
(B) is a sectional view. Connector 11 shown in FIG.
A and the cassette 12A are described in Japanese Patent Publication No. 5-5671, and a partition 24 is formed in the opening 13 of the cassette 12A.

[0012] substrate ₁₄ 1 comprises a respective pin 14a in the partitioned apertures within 13 by a partition 24, 14 ₂ are provided. Grooves 25 are formed on both sides of the lower portion 13a of the opening 13.
a, 25b are formed.

On the other hand, the cassette 11 is connected to the connector 11A.
A is formed with a notch groove 26 into which the partition portion 24 of the opening 13 is fitted, and protrusions 27 fitted into the grooves 25a and 25b of the cassette 12A on both sides of the upper mounting portion 19a.
Is formed.

That is, the cassette 12 is connected to the connector 11A.
A is inserted into the notch groove 26 when the cassette 12A is inserted.
The partition 24 is fitted to prevent erroneous insertion such as upside down. Further, by fitting the protrusions 27 into the grooves 25a and 25b of the cassette 12A, the position of the cassette 12A at the time of setting is regulated.

When the cassette 12A is inserted, the loading section 1
9b comes into contact with the bottom surface of the opening 13 of the cassette 12A and serves as a reference surface.
A tapered surface 19a is provided on the top end of the upper mounting portion 19a of the 1A.
₁ is formed.

[0016]

However, since the mounting portion 19b is formed at a predetermined height due to the mountability of the cassette 12, the connector 11 has an upper surface from the brim portions 15a, 15b to the upper surface of the mounting portion 19b. And the connector 11 cannot be made thinner and lighter.

In the cassette 12A, since a partition 24 is formed to prevent erroneous insertion, the terminal 14a
In addition, there is a problem that the substrate 14 on which is formed must be divided, and the size of the cassette 12A due to the partitioning portion 24 and the size of the connector 11A accordingly increase.

The present invention has been made in view of the above problems.
To reduce the thickness and weight while preventing erroneous insertion of the cassette.
The purpose of the present invention is to provide a connector.

[0019]

[Means for Solving the Problems] In order to solve the above-mentioned problems
According to the first aspect, a wiring board having a predetermined function is formed at one end.
And a terminal surface is exposed on the wiring board.
And the wiring portion in the lower portion forming the opening is
A predetermined number of notches are formed in parts other than the part
To the cassette that is enclosed and fitted in the opening.
Contactor for each terminal on the terminal surface
Connecting part having a flexible connecting member, and installation below the connecting part
On the surface of the portion to be the surface,
A space portion necessary and sufficient to position the lower portion,
The space is defined by the lower part forming the opening of the cassette.
The lower surface of the part and the surface of the part to be the installation surface are equivalent
It is configured to be formed as follows.

According to a second aspect of the present invention, there is provided the connector according to the first aspect.
An engaging member that engages with the notch of the cassette.
Are formed on the side surface of the space portion from the side surface of the connection portion.
Configuration.

According to a third aspect, in the first aspect, the engagement
The joining member is a pillar on the side of the space from the side of the connection.
It is formed into a shape.

[0022]

As described above, according to the first aspect of the present invention, the cassette
The wiring board is located at the bottom to form an opening
Notches are formed in areas other than the
The function of preventing erroneous insertion at the time of insertion into the set is performed. this
To prevent the cassette from being erroneously inserted while increasing the external size.
Thus, it is possible to reduce the thickness and weight by avoiding the problem. Also,
The lower surface of the lower part of the cassette that fits the height of the space and the installation
It is formed so that the surface of the portion to be the surface is equivalent. This
As a result, the height of the space is minimized,
It is possible to reduce the thickness and weight.

According to the second and third aspects of the present invention, the connecting portion has a cover.
When the set is inserted, the height of the space below the cassette
Part is located on the side of the space or on the side of the space
The engaging member formed into a pillar shape in the section
Engage. This prevents misinsertion of the cassette.
It is possible to reduce the thickness and weight.

[0024]

FIG. 1 is a perspective view showing the structure of a first embodiment of the present invention. FIG. 1A is a perspective view, and FIG. 1B is a cross-sectional view of the connector. FIG. 2 is an explanatory view of a cutout of the cassette shown in FIG.

The connector 31 shown in FIG. 1A is mounted on a printed circuit board such as a control circuit (to be described with reference to FIG. 2), and has a ROM (Read Only Memory).
y) and RAM (Random Access Memory)
ry) cassette 32 such as an IC memory cartridge
Are fitted and mounted to perform electrical connection with the control circuit and the like.

The cassette 32 has a ROM or R as described above.
A wiring portion 33 on which an IC having a memory function such as AM is mounted is provided in the case portion 34, and an opening 35 is formed at one end of the case portion 34. The opening 35 has a long opening shape and is formed in a concave shape in the case portion 34.
In the opening 35, a terminal surface on which a predetermined number of terminals 36 of the wiring board 33 are formed is exposed in a plane.

Further, in the cassette 32, two notches 45a and 45b are formed at both ends of a lower portion 35a of a case portion 34 forming an opening 35. These notches 45a, 45
As shown in FIGS. 2 (A) and 2 (B), b is linearly cut in the depth direction of the opening 35 and has a width notch in the lower portion 35a so as to fit an engagement member described later.

On the other hand, the connector 31 is shown in FIG.
As shown in (B), the connector body 38 is installed between the brim-shaped installation portions 37a and 37b formed on both sides.
Are integrally formed. The connector main body 38 is formed in an external hook shape, and one end serves as a connection portion 39 into which the cassette 32 is fitted. The connecting portion 39 is connected to the opening 3 of the cassette 32.
5 is set in a length shape corresponding to the opening 35.

A space 40 is formed below the connection 39. The space portion 40 has an opening 35 of the cassette 32 to be fitted from a surface of a portion to be an installation surface below the connection portion 39, that is, a position of a bottom surface of the installation portions 37a and 37b.
Is formed at a height necessary and sufficient to locate the lower portion 35a of the case portion 34 forming the above.

The connector body 38 is formed by integral molding of, for example, resin. In this case, the lower surface of the lower portion 35a of the cassette 32 is located on the upper surfaces of the installation portions 37a and 37b as described later. Therefore, when the cassette 32 is fitted to the connection portion 39, the lower portion 35 of the cassette 32
There is a space area below the area a corresponding to the thickness of the installation sections 37a and 37b. In this space area, the mountability of the cassette 32 is ensured.

Further, as shown in FIG.
9, the wiring board 3 in the cassette 12
A contact 41 which is a connection member having a curved flexible shape corresponding to each terminal 36 of No. 3 is disposed, and a lead terminal 42 extending therefrom is bent downward on the back surface of the connector main body 38. The lead terminals 42 are soldered and fixed to a printed board described later, and the connector is mounted on the printed board.

Further, the connector 31 includes the connector body 3
8, a space portion 4 formed below the connecting portion 39
The engaging members 44a and 44b are formed integrally (or may be joined together instead of integrally) on both sides of the zero.

FIG. 3 is an explanatory view of fitting the cassette to the connector of the first embodiment. FIG. 3 (A) to (C)
3A shows a state in which the cassette 32 is fitted and connected to the connector 31. First, FIG.
Printed circuit board 4 having a control circuit and the like as shown in FIG.
The connector 31 is fixed and mounted on the end of the lead 3 by soldering the lead terminal 42.

Then, the opening 35 of the cassette 32 is inserted and fitted so as to include the connecting portion 39 of the connector body 38. At this time, the lower portion 35a of the cassette 32
The connector body 38 is inserted into the notches 45a and 45b
The engagement members 44a and 44b are fitted so that the connection portion 39 of the connector main body 38 is positioned to the depth of the opening 35.

In this case, the opening 3 in the cassette 32
5 is located on the upper surface of the installation portions 37a and 37b. Further, at this time, the respective contacts 41 formed on the connecting portion 39 and the corresponding terminals 36 on the wiring board 33 in the cassette 32 are brought into contact with each other, so that electrical connection is performed.

The connection state between the connection portion 39 of the connector 31 and the opening portion 35 of the cassette 32 is partially cut away as shown in FIG.
It is shown in (B).

As described above, the lower surface of the lower portion 35a of the opening 35 in the cassette 32 and the printed circuit board 43
There is a space region of the space portion 40 corresponding to the thickness of the installation portions 37a and 37b between the upper surface of the cassette and the upper surface of the cassette 32, thereby ensuring the mountability of the cassette 32.

When the cassette 32 is inserted, the cassette 32 is inserted in a state where the upper surface of the connecting portion 39 and the inner ceiling surface of the opening 35 of the cassette 32 are in contact with each other as a reference surface.

As described above, the notch 45 is formed in the cassette 32.
a, 45b, and the engaging members 44a,
By forming the 44b, it is possible to prevent the cassette 32 from being inserted in the upside-down direction or to insert another different cassette.

When the cassette 32 is mounted on the connector 31, a space region corresponding to the thickness of the installation portions 37a and 37b is formed for the purpose of mounting. For example, one space in FIG. The component chip 46 may be mounted on the printed circuit board 43 so as to be positioned as indicated by a chain line.

The connector 31 does not have a mounting portion as shown in FIGS. 6 and 8, and the space portion 40 secures the thickness of the lower portion 35a of the case portion 34 in the cassette 32. In addition, since the connector is formed at a height that secures a space area for mounting, the connector can be thinner and lighter than a conventional connector. That is, it is possible to reduce the thickness and weight while preventing erroneous insertion of the cassette, and thus to reduce the size, thickness and weight of the device using the connector 31 of the present invention.

Next, FIG. 4 shows a configuration diagram of another embodiment of the connector. While the engaging member 44a shown in FIG. 1 is formed as a surface on both sides of the space 40, the connector 31 shown in FIG. Engagement members 44a ₁ , 44b ₁ (44
b ₁ is a table Warez) integrally with the connection portion 39 in FIG. (or bonding or the like) is obtained by forming.

When the cassettes 32 are inserted, the engaging members 44a ₁ and 44b ₁ are engaged with the notches 45a and 45b to regulate the insertion direction of the cassette 32, thereby allowing the cassette 32 to be inserted in the reverse direction or in a different direction. Erroneous insertion of the cassette.

Next, FIG. 5 is an explanatory view of a second embodiment of the present invention. 5A and 5B are perspective views, and FIG. 5C is a cross-sectional view of a fitted state.

In FIG. 5A, the cassette 32 is
And the connector shown in FIG.
Are formed integrally on both sides of the connector main body 38 shown in FIG.
a, the engaging member 44a of 37b, a portion corresponding to 44b, the width of the guide groove 47a for fitting the both side portions _35b 1, 35b ₂ of the case portion 34 forming an opening 35 in the cassette 32, 47b (47b is (Not shown in the figure), and the other configuration is the same as that of FIG. That is,
The connector 31 of the second embodiment is different from the connector 3 of the first embodiment.
1 is thinner by the thickness of the installation portions 37a and 37b.

The upper end of the connecting portion 39 has a tapered surface 3
9a is formed to improve insertability.

5B and 5C, the connector 31 is first mounted on the printed circuit board 43 as shown in FIG. 5C, and the cassette 32 is mounted as shown in FIG.
Is inserted and fitted into the connection portion 39 of the connector body 38.
At this time, the lower part 3 of the case part 34 in the cassette 32
The bottom surface of 5 a is in contact with the printed circuit board 43 and the side portions 35 b ₁ and 35 b _{2 of the} case portion 34
a and 37b are guided and fitted by the guide grooves 47a and 47b, and the engaging members 44a and 44b of the connector main body 38 are fitted into the notches 45a and 45b of the cassette 32 as described in the first embodiment. Is done.

In this case, the cassette 32 is
3, it seems that the mounting property of the cassette 32 is affected, but the tapered surface 39 a of the connecting portion 39 and the notches 45 a, 45
b and the engaging members 44a and 44b, and the installation portion 37
With the guide grooves 47a and 47b of a and 37b, the mounting property is improved by two guide functions.

As described above, the connector 31 of the second embodiment is made thinner by the thickness of the installation portions 37a and 37b, so that the size and thickness of the apparatus using the connector can be further reduced.

As shown in FIG. 4, the same applies when the both sides of the space 40 are released to form the columnar engaging members 45a ₁ and 45b ₁ .

[0051]

As described above, according to the first aspect of the present invention,
For example, the wiring board in the lower part forming the opening of the cassette
Notches are formed in parts other than the part where
Notch serves to prevent incorrect insertion when connector is inserted
To prevent the cassette from being inserted incorrectly.
It is possible to reduce the thickness and weight by avoiding an increase in size. Ma
Also, adjust the height of the space of the connector to the
Make sure that the lower surface of the lower part and the surface of the installation surface are the same
Formed to minimize the height of the space
As a result, further reduction in thickness and weight can be achieved.

According to the second and third aspects of the present invention, the connector
Height of the space when the cassette is inserted into the
The lower part of the cassette is located on the side of the space,
Or, the engaging member formed into a column shape on the side
Incorrect insertion of the cassette by engaging the notch of the cassette
It is possible to reduce the thickness and weight while preventing the problem.

[Brief description of the drawings]

FIG. 1 is a configuration perspective view of a first embodiment of the present invention.

FIG. 2 is an explanatory view of a cutout of the cassette of FIG. 1;

FIG. 3 is an explanatory diagram of fitting of a cassette to the connector of the first embodiment.

FIG. 4 is a configuration diagram of another embodiment of the connector.

FIG. 5 is an explanatory diagram of a second embodiment of the present invention.

FIG. 6 is an explanatory view of a connector of a conventional cassette.

FIG. 7 is a cross-sectional view of fitting a cassette to the connector of FIG. 6;

FIG. 8 is a configuration diagram of another conventional cassette and connector.

[Explanation of symbols]

31 connector 32 cassette 33 wiring board 34 case portion 35 opening 35a lower 36 terminals 37a, 37b disposed portion 38 connector body 39 connecting portion 40 space 41 contacts 42 lead terminal 43 printed circuit board _{44a, 44b, 44a 1, 44b} 1 engagement Joint member 45a, 45b Notch 46 Component chip 47a, 47b Guide groove

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 1-152482 (JP, U) JP 4-61874 (JP, U) JP 1-137089 (JP, U) JP 6-U 15278 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 13/64 H01R 12/18

Claims (3)

(57) [Claims] (1)Formed on one side edge with a wiring board of predetermined function
And a terminal surface is exposed on the wiring board.
And the wiring portion in the lower portion forming the opening is
A predetermined number of notches are formed in parts other than the part
To the cassette that is enclosed and fitted in the opening.
Kuta, A contact member that can be freely contacted with each terminal on the terminal surface is provided.
Connection portion, and a portion serving as an installation surface below the connection portion.
Position the lower part of the cassette to be fitted
Space part necessary and sufficient for Before the formation of the opening of the cassette
The lower surface of the lower part and the surface of the installation surface are equivalent.
The connector characterized by being formed so that it may be. 2. An engaging member which engages with said notch of said cassette.
A joining member is formed on a side surface of the space portion from a side surface of the connection portion.
The connector according to claim 1, wherein the connector is formed. 3. The connecting member according to claim 1, wherein the engaging member is formed from a side surface of the connecting portion.
It is formed in a column shape on the side of the space.
The connector according to claim 1, wherein