JP2016091686A - Coating structure for sealant to contact connection part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connector having a coating structure which is simple and enables a connection part of a contact to be coated with a sealant with a simple structure.SOLUTION: An electric connector 20 comprises a plurality of kinds of contact 24 each having a contact part 241 contacting an opposite connector 10 and a connection part 243 mounted on a substrate, and a housing 22 having a fitting opening 5 into which the opposite connector 10 is inserted, and also holding and arraying the contacts 24, wherein a bent part 244 is provided nearby a connection part 243 of a contact 24, a space 228 is provided (formed) between the bent part 244 and housing 22, and a step 227 is further provided so as to provide a gap between the housing 22 and substrate, so that a sealant can be applied over the whole connection part 243 without reaching an unnecessary part even when large in amount.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electrical connector that is used in a smartphone, a mobile phone, an electric device, an electronic device, etc. and is mounted on a substrate, and in particular, with a simple structure, a sealant can be applied to a contact connecting portion. It relates to a coating structure.

The electrical connector is attached to and detached from the mating connector and is mounted on the substrate. The electrical connector includes at least a contact portion that contacts the mating connector, a contact having a connection portion that is mounted on a substrate, and a housing that holds and arranges the contact. If necessary, the contact may include a plurality of types. For example, there are signals, power, ground, and switches. The electrical connector can be used in various environments.
Below, Patent Literature 1 (Japanese Patent Laid-Open No. 2009-48922) and Patent Literature 2 (Japanese Patent Laid-Open No. 2009-129561) are cited as literatures already proposed by the present applicant.
JP 2009-48922. JP 2009-129561 A.

Since it may be used in high-temperature and high-humidity environments, customers are required to prevent corrosion at joints. Therefore, by applying a sealant to the connection portion, corrosion is prevented, and an excessive load is not directly applied to the connection portion. However, if the connection part is too close to the housing, the sealant cannot be applied to the entire connection part. As a result, it may lead to contact failure and operation failure.
The structures of Patent Document 1 and Patent Document 2 are conventional structures, and the above problems cannot be solved.

  The present invention has been made in view of such conventional problems, and provides an electrical connector having a coating structure in which a sealant can be applied to a contact connecting portion with a simple structure.

The present invention has been made to achieve the above object, and the gist of the present invention is as follows.
(1) An electrical connector on which a mating connector is attached and detached and mounted on a board,
The electrical connector includes a plurality of types of contacts having a contact portion that contacts the mating connector and a connection portion that is mounted on a substrate, a housing that has a fitting port into which the mating connector is inserted, and that holds and arranges the contacts. With
In the application structure of the sealant to the contact connection part that applies the sealant to the connection part of the contact,
A bent portion is provided near the contact portion of the contact,
A space is provided (formed) between the bent portion and the end surface of the housing,
It is a structure for applying a sealant to a contact connection part, wherein a sealant is applied to the entire connection part.

(2) A structure in which a sealant is applied to the contact connection portion according to (1) above, in which a step is provided (formed) between the housing and the substrate.
(3) The space (between the bent portion and the end surface of the housing) is 0.2 to 1 mm apart, and the sealant for the contact connecting portion according to (1) or (2) above This is a coating structure.
(4) The sealing to the contact connecting portion according to any one of (1) to (3) above, wherein an insertion hole of the housing into which the contact is inserted is passed in a vertical (height) direction. It is a coating structure of a stopper.

According to the structure for applying the sealant to the contact connection portion of the present invention, the connection portion is simple and does not apply an excessive load directly. Since the stopper is not applied, there is no connection failure or operation failure, and the sealing agent can be reliably applied to the entire connection portion of the contact.

(A) It is the perspective view which looked at the electrical connector of this invention from the board | substrate mounting side in the fitting direction of the other party connector. (B) It is the perspective view which looked at the electrical connector of this invention from the opposite side of the board | substrate mounting in the fitting direction of the other party connector. (C) It is sectional drawing which cut the electrical connector of this invention in the center of the width direction. (A) It is the perspective view which looked at the electrical connector of this invention and the other party connector from the opposite side of the board | substrate mounting in the fitting direction of the other party connector. (B) It is the perspective view which looked at the state which the electrical connector of this invention and the other party connector fitted from the opposite side of the board | substrate mounting in the fitting direction of the other party connector. (C) It is sectional drawing which cut the electrical connector of this invention in the part with a 1st insertion hole. (A) It is the perspective view which looked at the housing from the opposite side of the board | substrate mounting in the fitting direction of the other party connector. (B) It is sectional drawing which cut the housing in the center of the width direction. (C) It is the longitudinal cross-sectional view which cut the housing in the 2nd insertion hole part. (D) It is the longitudinal cross-sectional view which cut the housing in the 1st insertion hole part. (A) It is the perspective view which looked at the 1st contact from the contact direction with the other party connector. (B) The perspective view which looked at the 2nd contact from the contact direction with the other party connector. (C) It is the perspective view which looked at the 3rd contact from the contact direction with the other party connector. (D) It is the perspective view which looked at the 4th contact from the contact direction with the other party connector. (E) It is the perspective view which looked at the 5th contact from the contact direction with the other party connector. (F) It is the perspective view which looked at the 6th contact from the contact direction with the other party connector. It is the perspective view which looked at the state which arranged 6 types of contacts from the board mounting side on the opposite side to a fitting direction.

A feature of the present invention is an electrical connector 20 on which a mating connector 10 is attached and detached and mounted on a substrate,
The electrical connector 20 includes a plurality of types of contacts 24 having a contact portion 241 that contacts the mating connector 10 and a connection portion 243 mounted on a board, and a fitting port 5 into which the mating connector 10 is inserted, and the contact 24. And a housing 22 for holding and arranging
In the application structure of the sealant to the contact connection part for applying the sealant to the connection part 243 of the contact 24,
A bent portion 244 is provided near the connection portion 243 of the contact 24,
A space 228 is provided (formed) between the bent portion 244 and the end surface of the housing 22;
In this structure, the sealant is applied to the entire contact portion 243. The sealant is applied to the contact connection portion.
That is, the coating structure of the present invention includes a bent portion 244 provided near the connection portion 243 of the contact 24, a space 228 provided (formed) between the bent portion 244 and the end surface of the housing 22, and the housing. In order to provide a gap between the substrate 22 and the substrate, a step 227 is provided (formed), and even if the amount of the sealant is large, the sealant is not applied to the excess portion, and the entire connecting portion 243 is formed. A sealant can be applied to the surface.

An embodiment of the electrical connector 10 according to the present invention will be described with reference to FIGS.
1A is a perspective view of the electrical connector of the present invention as viewed from the board mounting side in the mating connector fitting direction, and FIG. 1B is the board mounting of the electrical connector of the present invention in the mating connector mating direction. It is the perspective view seen from the other side, (C) is sectional drawing which cut the electrical connector of this invention in the center of the width direction. FIG. 2A is a perspective view of the electrical connector of the present invention and the mating connector as viewed from the opposite side of the board mounting in the mating direction of the mating connector, and FIG. 2B is the mating of the electrical connector of the present invention and the mating connector. It is the perspective view which looked at the joined state from the opposite side of substrate mounting in the fitting direction of the other connector, and (C) is a sectional view which cut the electric connector of the present invention in the portion with the 1st insertion hole. 3A is a perspective view of the housing as seen from the opposite side of the board mounting in the mating connector fitting direction, and FIG. 3B is a cross-sectional view of the housing cut at the center in the width direction. FIG. 4 is a longitudinal sectional view in which the housing is sectioned at the second insertion hole portion, and (D) is a longitudinal sectional view in which the housing is sectioned at the first insertion hole portion. 4A is a perspective view of the first contact seen from the contact direction with the mating connector, FIG. 4B is a perspective view of the second contact seen from the contact direction with the mating connector, and FIG. It is the perspective view which looked at the contact from the contact direction with the other party connector, (D) is the perspective view which looked at the 4th contact from the contact direction with the other party connector, and (E) is the contact direction with the other party connector. It is the perspective view seen, (F) is the perspective view which looked at the 6th contact from the contact direction with the other party connector. FIG. 5 is a perspective view of a state in which six types of contacts are arranged as seen from the board mounting side on the side opposite to the fitting direction.

Before describing the electrical connector 10, the substrate will be described. The board is provided with a land on which the contact 30 of the electrical connector 10 is mounted and a pattern extending from the land and connected to an electronic component or the like.
The mating connector 10 will be described. In this embodiment, the jack connector is used. However, in the coating structure of the present invention, any connector other than the jack connector may be used. For example, a two-piece connector, a card, a flexible printed circuit board (hereinafter referred to as “FPC”), and the like can be given.

  The electrical connector 20 will be described with reference to FIGS. The electrical connector 20 includes at least a contact portion that contacts the mating connector 10, a contact having a connection portion that is mounted on the substrate, and a housing 22 that holds and arranges the contact. In this embodiment, six types of contacts 24, 26, 28, 30, 32, and 34 are provided.

  First, the six types of contacts 24, 26, 28, 30, 32, and 34 will be described. The contacts 24, 26, 28, 30, 32, 34 are made of metal and are manufactured by a known press working or cutting process. The material of the contacts 24, 26, 28, 30, 32, and 34 is required to have springiness, conductivity, dimensional stability, and the like, and examples thereof include brass, beryllium copper, and phosphor bronze. In this embodiment, the contacts 24, 26, 28, 30, 32, 34 are fixed to the housing 22 by press fitting. In the present embodiment, it is fixed by press-fitting, but it may be anything as long as it can be fixed, such as hooking (lance), welding or integral molding.

  Hereinafter, the first contact 24, the second contact 26, the third contact 28, the fourth contact 30, the fifth contact 32, and the sixth contact 34 will be described.

  The first contact 24 is a signal contact, and has at least a first contact portion 241 that contacts the mating connector 10 and a first connection portion 243 that is mounted on the board, and is further fixed to the housing 22. A first bent portion 244 is provided for securing a certain distance from the portion 242 and the housing 22.

  The first contact portion 241 is appropriately designed so as to conform to the shape of the mating connector so that the first contact portion 241 can easily come into contact with the mating connector 10, but in the present embodiment, has a hemispherical shape. The first contact portion 241 is held (fixed) to the housing 22 so as to protrude into the fitting port 5.

  The first connection part 243 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In this embodiment, the first contact 24 is a surface mount type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The first fixing portion 242 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the first fixing portion 242 are appropriately designed in consideration of holding force, workability, strength, and the like. The first fixing part 242 is located between the first contact part 241 and the first connection part 243, and is provided with an arrowhead-like protrusion on a plate-like piece protruding in the board mounting direction and press-fitted into the housing 22. It is fixed.

  The first bent portion 244 is a portion for securing a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire first connection portion 243 when the sealant is applied. The distance between the first bent portion 244 and the end surface of the housing 22 is such that the sealant can be applied to the entire first connecting portion 243, the coating property, the connector size reduction, the mounting property, the workability, the strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  The second contact 26 is a signal contact, and has at least a second contact portion 261 that contacts the mating connector 10 and a second connection portion 263 that is mounted on the board, and is further fixed to the housing 22. A second bent portion 264 is provided for securing a certain distance from the portion 262 and the housing 22.

  The second contact portion 261 is appropriately designed so as to conform to the shape of the mating connector so that the second contact portion 261 can easily come into contact with the mating connector 10. The second contact portion 261 is held (fixed) to the housing 22 so as to protrude into the fitting port 5.

  The second connection part 263 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In the present embodiment, the second contact 26 is a surface mounting type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The second fixing portion 262 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the second fixing portion 262 are appropriately designed in consideration of holding force, workability, strength, and the like. The second fixing part 262 is located between the second contact part 261 and the second connection part 263, and is provided with an arrowhead-like protrusion on a plate-like piece protruding in the board mounting direction to press-fit into the housing 22. It is fixed.

  The second bent portion 264 is a portion for ensuring a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire second connection portion 263 when the sealant is applied. The distance between the second bent portion 264 and the end surface of the housing 22 is such that the sealant can be applied to the entire second connection portion 263, such as application properties, connector miniaturization, mountability, workability, strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  The third contact 28 is a signal contact, and has at least a third contact portion 281 that comes into contact with the mating connector 10 and a third connection portion 283 that is mounted on the board, and is further fixed to the housing 22. A third bent portion 284 is provided to ensure a certain distance from the portion 282 and the housing 22.

  The third contact portion 281 is appropriately designed so as to conform to the shape of the mating connector so that the third contact portion 281 can easily come into contact with the mating connector 10, but has a hemispherical shape in this embodiment. The third contact portion 281 is held (fixed) on the housing 22 so as to protrude into the fitting port 5.

  The third connection part 283 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In the present embodiment, the third contact 28 is of a surface mounting type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The third fixing portion 282 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the third fixing portion 282 are appropriately designed in consideration of holding force, workability, strength, and the like. The third fixing portion 282 is located between the third contact portion 281 and the third connection portion 283, and is provided with a arrow-like projection on a plate-like piece protruding in the board mounting direction and press-fitted into the housing 22. It is fixed.

  The third bent portion 284 is a portion for securing a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire third connecting portion 283 when the sealant is applied. The distance between the third bent portion 284 and the end face of the housing 22 is such that the sealant can be applied to the entire third connecting portion 283, so that the coatability, connector miniaturization, mountability, workability, strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  The fourth contact 30 is a signal contact, and has at least a fourth contact portion 301 that contacts the mating connector 10 and a fourth connection portion 303 that is mounted on the board, and is further fixed to the housing 22. A fourth bent portion 304 is provided to ensure a certain distance from the portion 302 and the housing 22.

  The fourth contact portion 301 is appropriately designed so as to follow the shape of the mating connector so that it can easily come into contact with the mating connector 10, but in the present embodiment, it has a hemispherical shape. The fourth contact portion 301 is held (fixed) on the housing 22 so as to protrude into the fitting port 5.

  The fourth connection part 303 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In the present embodiment, the fourth contact 30 is a surface mount type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The fourth fixing portion 302 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the fourth fixing portion 302 are appropriately designed in consideration of holding force, workability, strength, and the like. The fourth fixing portion 302 is located between the fourth contact portion 301 and the fourth connection portion 303, and is provided with an arrowhead-like protrusion on a plate-like piece protruding in the board mounting direction and press-fitted into the housing 22. It is fixed.

  The fourth bent portion 304 is a portion for securing a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire fourth connection portion 303 when the sealant is applied. The distance between the fourth bent portion 304 and the end face of the housing 22 is such that the sealability can be applied to the entire fourth connecting portion 303, such as coating properties, connector miniaturization, mountability, workability, strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  The fifth contact 32 is a switch contact, and has at least a fifth contact portion 321 that contacts the mating connector 10 and a fifth connection portion 323 that is mounted on the board, and is further fixed to the housing 22. A fifth bent portion 324 is provided for securing a certain distance from the portion 322 and the housing 22.

  The fifth contact portion 321 is appropriately designed so as to follow the shape of the mating connector so that it can easily come into contact with the mating connector 10, but in this embodiment, the plate-like portion is bent. The fifth contact portion 321 is held (fixed) on the housing 22 so as to protrude into the fitting port 5.

  The fifth connection part 323 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In the present embodiment, the fifth contact 32 is a surface mounting type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The fifth fixing portion 322 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the fifth fixing portion 322 are appropriately designed in consideration of holding force, workability, strength, and the like. The fifth fixing part 322 is located between the fifth contact part 321 and the fifth connection part 323, and is provided with a arrow-like protrusion on a plate-like piece protruding in the board mounting direction to press-fit into the housing 22. It is fixed.

  The fifth bent portion 324 is a portion for securing a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire fifth connecting portion 323 when the sealant is applied. The distance between the fifth bent portion 324 and the end face of the housing 22 is such that the sealant can be applied to the entire fifth connecting portion 323, such as coating properties, connector miniaturization, mountability, workability, strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  The sixth contact 34 is a signal contact, and has at least a sixth contact portion 341 that comes into contact with the mating connector 10 and a sixth connection portion 343 that is mounted on the board, and is further fixed to the housing 22. A sixth bent portion 344 is provided for securing a certain distance from the portion 342 and the housing 22.

  The sixth contact portion 341 is appropriately designed so as to follow the shape of the mating connector so that it can easily come into contact with the mating connector 10, but in this embodiment, the plate-like portion is curved. The sixth contact portion 341 is held (fixed) to the housing 22 so as to protrude into the fitting port 5.

  The sixth connection part 343 is a part mounted on the substrate. Examples of the connection method to the substrate include soldering (surface mounting or dip), press fitting, and the like. In this embodiment, the sixth contact 34 is a surface mounting type and is mounted by soldering. Instead of the surface mount type, an L-type dip type or a straight dip type may be used.

  The sixth fixing portion 342 may be any method as long as it can be fixed to the housing 22, and examples thereof include press-fitting, hooking (lance), welding, and integral molding. In this embodiment, the housing 22 is held and fixed by press-fitting. The shape and size of the sixth fixing portion 342 are appropriately designed in consideration of holding force, workability, strength, and the like. The sixth fixing part 342 is located between the sixth contact part 341 and the sixth connection part 343, and is provided with an arrowhead-like protrusion on a plate-like piece protruding in the board mounting direction, and is press-fitted into the housing 22. It is fixed.

  The sixth bent portion 344 is a portion for securing a certain distance from the housing 22. By securing a certain interval, the sealant can be applied to the entire sixth connection portion 343 when the sealant is applied. The distance between the sixth bent portion 344 and the end surface of the housing 22 is such that the sealant can be applied to the entire sixth connecting portion 343, such as application properties, connector miniaturization, mountability, workability, strength, etc. Is designed as appropriate. In the present embodiment, the housing 22 is bent so as to obtain an interval of 0.2 to 1 mm from the end face of the housing 22. If it is 0.2 mm or less, when there is a large amount of sealant, the excess part will be wet, and if it is 1 mm or more, it will hinder miniaturization of the connector.

  Next, the housing 22 will be described. The housing 22 is an electrically insulative plastic, and is manufactured by injection molding or cutting of a known technique. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples include butylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof. In this embodiment, it is manufactured by injection molding.

  The housing 22 has a substantially box shape. Six types of the first to sixth contacts 24, 26, 28, 30, 32, 34 are held and arranged in the housing 22, three on each side in the width direction. 221, 222, 223, 224, 225 and 226 are provided. The first to sixth contacts 24, 26, 28, 30, 32, and 34 are press-fitted, hooked (lanced) and welded to the first to sixth insertion holes 221, 222, 223, 224, 225, and 226. It is fixed by etc. In this embodiment, the first to sixth contacts 24, 26, 28, 30, 32, and 34 are fixed by press-fitting. The shape and size of the first to sixth insertion holes 221, 222, 223, 224, 225, and 226 can be held by the first to sixth contacts 24, 26, 28, 30, 32, and 34, respectively. Anything may be used, and it is designed appropriately in consideration of holding power, strength, workability, miniaturization, and the like.

  The housing 22 is provided with a fitting port 5 into which the mating connector 10 is inserted. The shape and size of the fitting port 5 need only be such that the mating connector 10 can be inserted and can contact the six contacts 24, 26, 28, 30, 32, and 34. They are designed as appropriate in consideration of contactability, workability, strength, and the like.

  The first contact portion to the sixth contact portions 241, 261, 281, 301, 301, 321 and 341 of the first contact to the sixth contacts 24, 26, 28, 30, 32 and 34 protrude into the fitting port 5. There are provided six holes 229 connected to the first to sixth insertion holes 221, 222, 223, 224, 225, and 226 as possible. The shape and size of the hole 229 may be appropriately designed in consideration of workability, strength, and the like as long as the first to sixth contact portions 241, 261, 281, 301, 321, and 341 can protrude. .

  Spaces 228 between the first to sixth contacts 24, 26, 28, 30, 32, 34 and the end surface of the housing 22 are provided on both sides in the width direction of the housing 22.

  Steps 227 are provided on both sides of the housing 22 in the width direction. By providing the space 228 and the step 227, the first to sixth contacts 243, 263, 283, 303 of the first contact to the sixth contacts 24, 26, 28, 30, 32, 34 are surely provided. 323, 343 for applying the sealant to the whole so that the sealant does not get wet to an excessive part even when the amount of the sealant is large, so that there is no contact failure or malfunction. Is. The shape and size of the space 228 and the step 227 are appropriately designed in consideration of such roles, connector miniaturization, applicability, workability, and the like.

  Finally, the coating structure of the present invention will be described. In this coating structure, a bent portion is provided in the vicinity of a contact connecting portion, a space 228 is provided (formed) between the bent portion and an end surface of the housing 22, and a gap is provided between the housing 22 and the substrate. The step 227 is provided (formed) to provide the sealant, so that even if the amount of the sealant is large, the sealant is not applied to an excessive portion, and the sealant can be applied to the entire connecting portion. It is a thing.

  As an application example of the present invention, it is used for an electric connector mounted on a substrate, used for a smartphone, a mobile phone, an electric device, an electronic device, etc., and in particular, with a simple structure, a sealant is applied to a contact connecting portion. The present invention relates to a coating structure that can be applied.

5 fitting port 10 mating connector 20 electrical connector 22 housing 221 first insertion hole 222 second insertion hole 223 third insertion hole 224 fourth insertion hole 225 fifth insertion hole 226 sixth insertion hole 227 step 228 space 229 hole 24 first Contact 241 First contact portion 242 First fixed portion 243 First connection portion 244 First bent portion 26 Second contact 261 Second contact portion 262 Second fixed portion 263 Second connection portion 264 Second bent portion 28 Third contact 281 Third contact portion 282 Third fixed portion 283 Third connection portion 284 Third bent portion 30 Fourth contact 301 Fourth contact portion 302 Fourth fixed portion 303 Fourth connection portion 304 Fourth bent portion 32 Fifth contact 321 Fifth contact Contact portion 322 Fifth fixing portion 323 Fifth connection portion 324 Fifth bent portion 34 Sixth contact 341 Sixth contact portion 342 Sixth fixing portion 43 sixth connection portion 344 sixth bent portion

Claims (4)

It is an electrical connector that is mounted on the board while the mating connector is attached and detached,
The electrical connector includes a plurality of types of contacts having a contact portion that contacts the mating connector and a connection portion that is mounted on a substrate, a housing that has a fitting port into which the mating connector is inserted, and that holds and arranges the contacts. With
In the application structure of the sealant to the contact connection part that applies the sealant to the connection part of the contact,
A bent portion is provided near the contact portion of the contact,
A space is provided (formed) between the bent portion and the end surface of the housing,
A structure for applying a sealant to a contact connection part, wherein a sealant is applied to the entire connection part.   The structure for applying a sealant to a contact connecting portion according to claim 1, wherein a step is provided (formed) between the housing and the substrate. The structure for applying a sealant to a contact connecting portion according to claim 1 or 2, wherein the space (between the bent portion and the end surface of the housing) is spaced apart by 0.2 to 1 mm.   The sealing agent is applied to the contact connecting portion according to any one of claims 1 to 3, wherein an insertion hole of the housing into which the contact is inserted is vertically penetrated. Construction.

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