KR20160017624A - Contact and connector using the contact - Google Patents

Abstract

[PROBLEMS] To provide a contact having a structure in which a connector can be miniaturized in a length-pitch direction and a short (width) direction of a connector, and is not broken even when being miniaturized, and a stable contact (connection) reliability can be obtained.
The object of the present invention is achieved by a connecting wall (203) connecting two side walls (202) and side walls (202) to a contact (20) having a contact part contacting with a mating object and a connecting part The first and second contact pieces 204 and 205 are provided on the two side walls 202 to protrude in the fitting direction with respect to the mating member with the body portion 201 having a substantially U- First and second contact portions 206 and 207 which are in the form of an arc and are in contact with the same surface of the mating object are provided on the free end side of the first and second contact pieces 204 and 205, And the second contact portions (206) and (207) make roll face contact with the mating member.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a contact and a connector using the contact,

More particularly, the present invention relates to a contact which is simple in structure and can be downsized in the longitudinal pitch direction and the short (width) direction of the connector, The present invention relates to a structure capable of achieving reliable contact (connection) reliability without being damaged.

Generally, the contact has at least a contact portion in contact with a mating object and a connecting portion in connection with the connection object. In addition, there is a case where a fixing portion for protecting and holding the insulating material is provided as necessary (by means of fixing). The contact portion usually has many contacts at one place, but may be contacted at two places in order to improve contact reliability. The connection portion is connected to a connection object (a substrate or a flexible printed substrate (hereinafter referred to as FPC), a cable, or the like) by soldering, pressure bonding, compression bonding, pressfit or the like.

The connector includes at least the contact and the insulator. A plurality of the contacts are protected and held in the insulator by press-fitting, welding or integral molding.

Hereinafter, Patent Documents 1 (Japanese Unexamined Patent Application Publication No. 2006-134687) and Patent Document 2 (Japanese Patent Application Laid-Open No. 2009-230945) are already proposed by the present applicant as two-point contact.

[Patent Document 1] 2006-134687 [Patent Document 2] Special Features 2009-230945

There is a strong demand for miniaturization (miniaturization in the length pitch direction and the short (width) direction) of the connector from the customer, and there is no problem in terms of strength even with miniaturization, and stable contact (connection) reliability is demanded.

In the structure of Patent Document 1, it is impossible to downsize in the length pitch direction, and in the structure of Patent Document 2, it is impossible to downsize in the short (width) direction.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and it is an object of the present invention to provide a connector that can be miniaturized in the length pitch direction and the short (width) direction of the connector while being simple in structure, To provide a contact having a structure having a structure.

(1) The present invention is made to achieve the above object, and is a contact which is protected and arranged on an insulator,

A contact having a contact portion which is in contact with a mating object and a connection portion which is connected to the connection object,

And a substantially U-shaped main body portion having two side walls and a connecting wall connecting the side walls,

First and second contact pieces projecting in a fitting engagement direction with a counterpart are provided on the two side walls,

First and second contact portions, which are in an arcuate shape and come in contact with the same surface of the mating object, are provided on the free end sides of the first and second contact pieces,

And the first and second contact portions make roll face contact with the mating member.

(2) The contact according to (1), wherein the contact is provided on at least one of the two side walls to securely hold the insulating material.

(3) The contact according to the above (1), wherein a fixing portion for protecting and holding the insulator is provided on at least one of the two contact pieces on the side of the contact portion above the connection wall.

(4) The contact according to any one of (1), (2), and (3), wherein the contact is brought into close contact with the main body portion to be bent.

(5) folding the second contact piece into a substantially bow-like shape from the tip end, folding the tip end of the first contact piece into a substantially L-shaped shape, and wrapping the first contact piece and the tips of the second contact pieces, (1), (2), (3) and (4).

(6) The contact according to (5), wherein the first contact piece and the tips of the second contact pieces are wrapped around each other to secure an effective fitting space.

(7) A method according to any one of (1) to (6) above, wherein the first contact piece and the second contact piece are disposed such that the first and second contact parts face each other, Are connected to each other by a connecting portion so that the two contacts are integrated.

(8) Another contact for achieving the above object is a contact which is protected and arranged on an insulating material,

A contact having a contact portion which is in contact with a mating object and a connection portion which is connected to the connection object,

A first contact piece protruding in the fitting direction with the mating member at the bottom wall and having a folded shape is provided,

A second contact piece protruding from the side wall connecting with the bottom wall in the fitting direction with the counterpart,

And the first contact portion of the first contact piece and the second contact portion of the second contact piece are located at the same position in the width direction.

(9) The contact is formed by bending the side wall substantially vertically and folding the second contact piece at the same time, so that the first contact part of the first contact piece and the second contact part of the second contact piece are disposed at the same position in the width direction (8) above.

(10) The method according to (8), wherein the contact has the first contact portion of the first contact piece and the second contact portion of the second contact piece at the same position in the width direction by bending the side wall obliquely. .

The connector includes the contacts described in the above (1) to (10) and an insulator for protecting and arranging the contacts.

According to the contact of the present invention, the connector is simple in structure and can be miniaturized in the length pitch direction and the short (width) direction of the connector, so that even if the connector is miniaturized, it is not broken and stable contact (connection) reliability can be obtained. Further, with the connector using the contact of the present invention, miniaturization of the connector in the length pitch direction and the short (width) direction can be achieved, and even if the connector is miniaturized, the connector can be reliably prevented from being damaged and reliable. With the structure (3), insulation can be commonly used with a single contact and a double contact, so that a stable connection can be obtained without changing the connecting wall portion. In the case of the structure (5) and (6), it is possible to sufficiently secure the effective fitting space (effective contact space), which is the distance from the start of the contact to the complete fitting when engaging with the mating member. By sufficiently ensuring the effective fitting space, even if there is a slight insufficiency in fitting, it is not connected to the poor connection. The contact described in (7) above can also be used for a large current.

[Figure 1]
(A) A perspective view of a contact according to the present invention viewed from the fitting direction of a mating member.
(B) is a perspective view of the contact of the present invention viewed from the connection direction of the connection object.
[Figure 2]
(A) is a perspective view of a connector using a contact of the present invention as viewed from the fitting direction of a mating member;
(B) is a perspective view of the connector using the contact of the present invention as viewed from the connection direction of the connection object.
(C) is a cross-sectional view of the connector using the contact of the present invention, cut at the insertion hole portion of the contact.
[Figure 3]
(A) is a perspective view as seen from the fitting direction of the insulator.
(B) is a perspective view seen from the direction opposite to the fitting direction (connection direction) of the insulator.
(C) is a cross-sectional view of the insulator cut at the insertion hole portion of the contact.
[Figure 4]
(A) is a perspective view of another contact of the present invention when it is bent in close contact, as viewed from the fitting direction of the mating member;
(B) is a perspective view of another contact of the present invention of the present invention when viewed in the connection direction of the connection object in a case where it is bent in close contact.
[Figure 5]
(A) is a perspective view of another contact of the present invention viewed from the fitting direction of the mating member;
(B) A perspective view of another contact according to the present invention, viewed from the connection direction of the connection object.
(C) is a cross-sectional view of a connector using another contact according to the present invention, cut at the insertion hole portion of the contact.
[Figure 6]
(A) is a perspective view of a contact different from that of Fig. 5 of the present invention as viewed from the fitting direction of a mating member;
(B) is a perspective view of a contact different from that of Fig. 5 of the present invention as viewed from the fitting direction of the mating member;
[Figure 7]
(A) is a perspective view of the contact of FIG. 1 of the present invention, which is integrally formed by a connecting portion, in a fitting direction of a mating member;
(B) is a perspective view of the contact of FIG. 4 of the present invention, which is integrally formed by a connecting portion, in a fitting direction of a mating member;
(C) is a perspective view of the contact of FIG. 5 of the present invention, which is integrally formed by a connecting portion, in a fitting direction of a mating member;
(D) A perspective view of the contact of FIG. 5 according to the present invention as viewed from the fitting direction of a mating member in which side walls different from (A) to (C) are integrally formed by a connecting portion.
[Figure 8]
(A) is a perspective view of another contact of the present invention in which the protection holding position is changed, as viewed from the fitting direction of the mating object;
(B) is a cross-sectional view of the connector using the contacts of (A) cut at the insertion hole portion of the contact.
[Figure 9]
(A) The present invention, in which the protection holding position is changed, is a perspective view of the contact of Fig. 1 viewed from the fitting direction of the mating member.
(B) is a perspective view of the contact of Fig. 4 of the present invention in which the protection holding position is changed, as viewed from the fitting direction of the mating object.
(C) is a perspective view of the contact of FIG. 5 of the present invention in which the protection holding position is changed, as viewed from the fitting direction of the mating object.

A feature of the present invention resides in a contact (20) which is protected and arranged on an insulator (40) and has a contact portion (20) which is in contact with a mating object and a connection portion (209) (202) and a connecting wall (203) connecting the corresponding side wall (202). The main body portion (201) has a substantially U shape in a direction of fitting A first contact piece 204 and a second contact piece 205 protruding from the first contact piece 204 and the second contact piece 205 are provided on the free end sides of the first contact piece 204 and the second contact piece 205, The first and second contact portions 206 and 207 are provided on the upper and lower sides so that the first and second contact portions 206 and 207 make roll face contact with the mating object .

That is, the contacts 20 and 30 of the present invention are respectively bent from the two side walls 202 of the body portions 201 and 301 which are bent in a box shape or bent in close contact with each other, The contact portions 206, 207, 306, and 307 are provided on the respective free end sides so as to protrude in the fitting direction, The roll surface contact is made.

1 to 9, an embodiment of the connector 10 of the present invention will be described.

Fig. 1 (A) is a perspective view of a contact of the present invention viewed from the fitting direction of a mating object, and Fig. 1 (B) is a perspective view of the contact of the present invention as viewed from the connection direction of the connection object. Fig. 2 (A) is a perspective view of a connector using a contact according to the present invention, viewed from the fitting direction of a mating object, Fig. 2 (B) is a perspective view of the connector using the contact according to the present invention, Is a cross-sectional view of the connector using the contact according to the present invention, cut at the insertion hole portion of the contact. Fig. 3 (A) is a perspective view of an insulator viewed from the fitting direction, Fig. 3 (B) is a perspective view of the insulator seen in a direction opposite to the fitting direction Cut section. Fig. 4 (A) is a perspective view of another contact according to the present invention in a case where it is bent in a close bending direction, and Fig. 4 (B) is a perspective view of another contact according to the present invention, Fig. Fig. 5A is a perspective view of another contact according to the present invention viewed from the fitting direction of a mating object, Fig. 5B is a perspective view of another contact according to the present invention, viewed from the connection direction of the connection object, C is a cross-sectional view of a connector using a contact according to another embodiment of the present invention, cut at the insertion hole portion of the contact. Fig. 6 (A) is a perspective view of a contact different from that of Fig. 5 of the present invention viewed from the fitting direction of a mating object, Fig. 6 (B) is a perspective view of the contact different from that of Fig. . Fig. 7 (A) is a perspective view of the contact of Fig. 1 of the present invention, which is formed integrally by a connecting portion, in a fitting direction of a mating member, Fig. 7 (B) (C) is a perspective view of the contact of FIG. 5 according to the present invention, which is formed integrally by a connecting portion, as viewed from the fitting direction of the mating member, and FIG. 5 (D) 5 is a perspective view showing the contact of the mating member in a state in which the side walls different from (A) to (C) are integrally formed by the connecting portion. Fig. 8A is a perspective view of another contact according to the present invention in which the protection holding position is changed in a fitting direction of a mating object, Fig. 8B is a sectional view of the connector using the contact shown in Fig. to be. Fig. 9 (A) is a perspective view of the contact of Fig. 1 of the present invention in which the protection holding position is changed as seen from the fitting direction of the mating object, Fig. 9 (B) (C) is a perspective view of the contact of FIG. 5 of the present invention in which the protective holding position is changed, as viewed from the fitting direction of the mating member. FIG.

Before describing the connector 10, the mounter and the connection object will be described. Examples of the counterpart include a connector, a substrate, and an FPC. The present embodiment is a connector. Examples of the connection object include a substrate, a flexible printed substrate (hereinafter referred to as FPC), a cable, and the like. This embodiment is a substrate, and a land on which the contacts 20 and 30 of the connector 10 are mounted and a pattern extending from the land and connected to electronic parts are provided on the substrate.

The connector 10 using the contacts 20, 30, 50, 70, and 80 of the present invention will be described based on Figs. 1 to 9. Fig. The connector 10 includes contacts 20, 30, and 30 having contact portions that contact at least a partner and contact portions 209, 309, 509, 709, and 809 that are mounted on the substrate, And an insulator 40 to which the contacts 50, 70, 80 and the contacts 20, 30, 50, 70, 80 are protected and arranged.

First, the contact 20, which is the core of the present invention, will be described. The contact 20 is made of metal and is manufactured by a known press working or cutting. As the material of the contact 20, elasticity, conductivity, dimensional stability, and the like are required, and therefore, brass, beryllium copper, and phosphor bronze can be used. In the present embodiment, the contact 20 is fixed to the insulator 40 by press fitting, but any of them can be used as long as it can be fixed, and there is a hook (lance), welding or integral molding.

The contact 20 has at least contact portions 206 and 207 to be in contact with a mating object and a connecting portion 209 to be mounted on the substrate and further has a fixing portion 208 to be fixed to the insulating material 40.

The contact 20 includes a substantially U-shaped main body portion 201 bent in a box shape and the main body portion 201 includes two side walls 202 and 202 and corresponding side walls 202, And a connecting wall 203 for connecting the connecting portion 202 to the connecting wall 203.

Two first contact pieces 204 and a second contact piece 205 protruding from the two side walls 202 and 202 respectively in the fitting engagement direction are provided. A first contact portion 206 and a second contact portion 207 are provided on the free end sides of the first and second contact pieces 204 and 205, respectively. The first and second contact portions 206 and 207 are in roll contact with each other on the same surface of the counterpart.

The shape and size of the contact pieces are appropriately designed in consideration of the contact force, the miniaturization of the connector, the strength and the elasticity, so that the first and second contact pieces 204 and 205 are easily contacted with the counterpart. The first and second contact pieces 204 and 205 are disposed on the upper and lower sides.

The first contact portion 206 and the second contact portion 207 are portions that contact the mounter, and are bent like an arrow to facilitate contact. The first abutting portion 206 can be brought into contact with the lower surface of the mating object (on the opposite side of the fitting direction) from the upper side (on the side of the fitting engagement direction) . The shape and size of the first contact portion 206 and the second contact portion 207 are appropriately designed in consideration of contact stability, miniaturization of the connector, strength, workability,

The connection portion 209 is a portion mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dipping), pressure welding, pressing, press fit, and the like. In the present embodiment, the contact 20 is of a board mounting type and is mounted by soldering.

The fixing portion 208 can be any type of fixing member that can be fixed to the insulator 40. Examples of the fixing portion 208 include press fitting, lancing, welding, and integral molding. In this embodiment, the insulator 40 is securely held and fixed by press-fitting. In this embodiment, the fixing portion 208 is provided on the free end side of the two side wall portions 202. The shape and size of the fixing portion 208 are appropriately designed in consideration of the protective holding force, workability, and strength. The fixing portion 208 is provided with an arrow-shaped protrusion on the side wall 202 and is press-fitted into the insulator 40. In the embodiment, it is bent into a box shape of about 0.1 to 0.3 mm.

Next, the insulator 40 will be described. The insulator 40 is made of an electrically insulating plastic and is manufactured by injection molding or cutting according to a known technique. The material of the insulator is appropriately selected in consideration of dimensional stability, workability, cost, and the like, and generally, polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and such synthetic materials. In this embodiment, it is manufactured by injection molding.

The insulator 40 is substantially box-shaped. The insulator 40 is composed of a body 402 and flanges 403 on both sides in the longitudinal pitch direction in this embodiment. The body 402 of the insulator 40 is provided with an insertion hole 401 through which the contact 20 is protected and arranged. The contact 20 is fixed to the insertion hole 401 by press fitting, lancing, welding, integral molding or the like. In the present embodiment, the contact 20 is fixed by press fitting. The shape and size of the insertion hole 401 can be any shape as long as the contact 20 can be protected and designed appropriately in consideration of the protection holding force, the strength, the workability, and the miniaturization.

The main body 402 is provided with a fitting hole 12 into which the counterpart is inserted. The shape and the size of the fitting part 12 are sufficient to fit the mating part with the mating part, but they are appropriately designed in consideration of the strength and workability depending on the shape and size of the mating part.

The flange 403 is provided with a mounting hole 404 for mounting the fastener 60 in this embodiment in order to firmly connect the flange 403 to the connection object. The mounting hole 404 can mount the fixture 60, and is appropriately designed in consideration of the protection holding strength, the protection holding force, the workability, the strength, and the like.

On the connection side of the flange 403 with the connection object, an erroneous insertion prevention pin 405 for preventing erroneous connection to the connection object is provided in this embodiment. The shape and size of the erroneous insertion prevention pin 405 can prevent erroneous insertion, and are appropriately designed in consideration of its role, strength, workability, and the like. In this embodiment, erroneous insertion is prevented by changing the shape of both ends.

Next, the fixture 60 will be described. The fixture 60 is made of metal and is manufactured by a known press working or cutting. As the material of the fixture 60, elasticity, conductivity, dimensional stability, and the like are required, and therefore, brass, beryllium copper, and phosphor bronze can be used. In this embodiment, the fixture 60 is fixed to the mounting hole 404 of the flange 403 of the insulator 40 by press fitting, but any fixing member may be used as long as it can be fixed. Welding, integral molding, and the like.

Next, another contact 30 shown in Fig. 4 will be described. Only the difference from the above-described contact 20 will be described here. The difference between the contacts 20 is a method of forming the main body 201. [ The contact 20 is bent in a box shape, whereas the contact 30 is bent in close contact with each other, thereby further reducing the length pitch direction. It is twice the plate thickness.

Next, based on FIG. 5, additionally, another contact 50 will be described. Here, only the difference from the above-described contact 20 will be described. The difference of the contacts 20 is that one of the second contact pieces 505 is folded in a substantially bow shape at the tip end and one end of the first contact piece 504 is formed into a substantially L shape And the first contact piece 504 and the second contact piece 505 are wrapped around each other. By doing so, it is possible to sufficiently secure the effective fitting space and to guide the counterpart. However, when fully engaged with the mating member, the first contact piece 504 and the second contact piece 505 are designed not to contact each other.

As described above, since the tip ends of the first contact piece 504 and the second contact piece 505 are wrapped around each other, the effective fitting, that is, the distance from the start of the contact to the complete fitting engagement, It is possible to sufficiently secure the engagement space (effective contact space). The space between the first contact portion 506 and the second contact portion 507 is suppressed to a level of about 0.3 to 0.6 mm so that sufficient effective engagement space can be ensured.

1, Fig. 4 and Fig. 5, which are integrally formed by the connecting portions 21, 31, and 51, will be described with reference to Fig. The contact 90 shown in Fig. 7 has two contact portions 206, 306, 506 and 506 of the contacts 20, 30, 50 of Figs. 1, 4 and 5, The first contact pieces 204, 304, and 504 or the second contact pieces 205 and 305 are disposed so that the second contact parts 207, 307, and 507 face each other, 502 and 502 are connected to each other by connecting portions 21, 31, and 51, respectively. The shapes and sizes of the connecting portions 21, 31, and 51 are appropriately designed in consideration of miniaturization of the connector, size and shape of the counterpart, use purpose, strength, workability, and the like.

Next, another contact 70 will be further described based on Fig. 6 (A). Here, only the difference from the above-described contact 20 will be described. The difference between the contacts 20 is that a first contact piece 704 protruding from the bottom wall 703 corresponding to the connection portion 203 in the fitting direction with the mating member and having a folded shape is provided, A second contact piece 705 protruding from the side wall 702 connected to the bottom wall 703 in the fitting direction with the counterpart is provided and the first contact piece 706 of the first contact piece 704 And the second contact portions 707 of the second contact pieces 705 are located at the same position in the width direction. The sidewall 702 may be substantially perpendicular to the first contact portion 706 of the first contact piece 704 and the second contact portion 707 of the second contact piece 705 in the same width direction. The second contact piece 705 is bent at the same time as folding.

Next, another contact 80 will be described based on Fig. 6 (B). Here, only the difference from the above-described contact 20 will be described. The difference between the contacts 20 is that a first contact piece 804 protruding from the bottom wall 803 corresponding to the connection portion 203 in the fitting direction with the mating member and having a folded shape is provided, A second contact piece 805 protruding from the side wall 802 connected to the bottom wall 803 in the fitting direction with the counterpart is provided so that the first contact piece 806 and the second contact piece 806 of the first contact piece 804 And the second contact portions 807 of the second contact pieces 805 are located at the same position in the width direction. In order to make the second contact portions 807 of the second contact pieces 805 at the same position in the width direction by the first contact portions 806 of the first contact pieces 804, It is folded.

Finally, based on FIGS. 8 and 9, the change of the position of the fixing portion 208 will be described. Only the position of the fixing portion 208 is changed, and the other is as described above. The positions of the fixing portions 208 may be set to the positions of the connecting walls 203 and 303 so as to prevent turning when the contacts 20, 30, and 50 are inserted into the insulator 40. [ And 503, at least on one of the two contact pieces. That is, the connection walls 203, 303, 503 and the side walls 202, 302, 502 bent in a U-shape or in close contact with each other are inserted from the insertion hole 401 of the insulator 40 toward the substrate side So as to protrude. By providing the fixing portion 208 at this position, the insulator 40 can be commonly used as the single contact and the double contact.

 [Industrial Availability]

The use of the present invention is applied to a contact used for a connector used in industrial equipment, electric equipment, electronic equipment, and the like. Particularly, it is a simple structure and enables miniaturization of the connector in the longitudinal pitch direction and the short The present invention relates to a structure capable of obtaining stable contact (connection) reliability without causing damage to the surface of the substrate.

10 connector
12 fittings
20, 30, 50, 70, 80, 90 contacts
201, 301, 501,
202, 302, 502, 702, 802,
203, 303, 503 connecting wall
204, 304, 504, 704, 804 The first contact piece
205, 305, 505, 705, 805,
206, 306, 506, 706, 806,
207, 307, 507, 707, 807,
208, 308, 508, 708, 808,
209, 309, 509, 709, 809,
703, 803 bottom wall
21, 31, 51,
40 Insulation
401 insertion hole
402 body
403 Flange
404 mounting holes
405 O insertion prevention pin
60 fixture

Claims (11)

A contact that is protected and arranged on an insulator,
A contact having a contact portion which is in contact with a mating object and a connection portion which is connected to the connection object,
And a substantially U-shaped main body portion having two side walls and a connecting wall connecting the side walls,
First and second contact pieces projecting in a fitting engagement direction with a counterpart are provided on the two side walls,
First and second contact portions, which are in an arcuate shape and come into contact with the same surface of the mating object, are provided on the free end sides of the first and second contact pieces,
And the first and second contact portions make roll face contact with the mating member. The contact according to claim 1, wherein a securing portion for securing and holding the insulator is provided on at least one of the two side walls. The contact according to claim 1, wherein a fixing portion for protecting and holding the insulator is provided on at least one of the two contact pieces on the side of the upper contact portion in the connection wall. The contact according to claim 1, 2 or 3, wherein the main body portion is closely contacted and bent. The method according to claim 1, 2, 3 or 4, wherein the second contact piece is folded in a substantially bow-like shape from the tip end, and the tip end of the first contact piece is bent into a substantially L- And the tips of the contact pieces are wrapped around each other. 6. The contact according to claim 5, wherein the first contact piece and the tips of the second contact pieces are wrapped around each other to secure an effective fitting space. The connector according to any one of claims 1 to 6, wherein two of the first and second contact portions are arranged so as to face each other, and one of the first contact piece and the second contact piece is connected by a connecting portion And the two contacts are formed as a one-piece structure. A contact that is protected and arranged on an insulator,
A contact having a contact portion which is in contact with a mating object and a connection portion which is connected to the connection object,
A first contact piece protruding from the bottom wall in the fitting direction with the mating object and having a folded shape is provided,
A second contact piece protruding from the side wall connecting with the bottom wall in the fitting direction with the counterpart,
Wherein the first contact portion of the first contact piece and the second contact portion of the second contact piece are located at the same position in the width direction. The method according to claim 8, further comprising bending the second contact piece at the same time as bending the side wall substantially vertically to fold the first contact piece and the second contact piece of the second contact piece at the same position in the width direction . The contact according to claim 8, wherein the first contact portion of the first contact piece and the second contact portion of the second contact piece are located at the same position in the width direction by folding the side wall obliquely. A connector comprising: a contact according to any one of claims 1 to 10; and an insulator for protecting and arranging the contact.

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