JP6577416B2 - Electric shock prevention structure and connector using the structure - Google Patents

Description

  The present invention relates to a connector and an electric shock prevention structure that are used for in-vehicle devices such as electric vehicles and hybrid vehicles, electrical devices, electronic devices, and the like and connected to connection objects (cables, bus bars, etc.). The present invention relates to an electric shock prevention structure using a power contact and a connector using the structure.

The connector is a connector that is connected to an object to be connected (such as a bus bar or a cable) while the object is attached and detached, and has a contact part that contacts the object and a connection part that is connected to the object to be connected. At least a required number of power contacts, and a housing that holds and arranges the power contacts, has an insertion groove into which the mating object is inserted, and has a fitting portion into which the mating object is fitted. .
Below, Patent Document 1 (Japanese Patent Application No. 2013-232283), Patent Document 2 (Japanese Patent Application Laid-Open No. 2014-107079), and Patent Document 3 (Japanese Patent Application No. 2014-208602) are proposed as documents proposed by the present applicant.
JP2013-232283A. JP, 2014-107079, A. Japanese Patent Application No. 2014-208602.

If the power supply contact is formed integrally, it can be formed only by cutting, and there is a difference between a material suitable for cutting and a material considering connection stability (spring property and electrical conductivity), which are contradictory. When cutting material is used, the spring tends to sag or become hot.
For this reason, the power contact is molded with two members. However, the power contact needs to energize a large amount of electricity, so the contact diameter on the pin side increases and the insertion groove on the receiving side into which the pin side enters It must be large. For this reason, a finger or the like enters the insertion groove, which may cause an electric shock.
Even in the structures of Patent Document 1, Patent Document 2 and Patent Document 3 proposed by the present applicant, the actual situation is that no measures against electric shock are taken.

  The present invention has been made in view of such conventional problems, and provides a connector that prevents electric shock in a connector that uses a power contact with a simple structure.

The present invention has been made to achieve the above object. First, the gist of the electric shock prevention structure of the present invention is as follows.
(1) A required number of power contacts having a contact portion that contacts a counterpart and a connection portion that is connected to the connection object;
A housing having an insertion groove in which the contact for power supply is held and arranged and into which the counterpart is inserted;
The power contact is divided into a first member having the contact portion and a second member having the connection portion,
The required number of contact portions of the power contact are arranged in the insertion groove,
A rod-shaped insulator member for preventing insertion of a cylindrical object having a diameter of 12 mm or more is disposed in the insertion groove where the contact portions of the required number of power supply contacts are disposed,
The bottom of the insulator member is sandwiched and held between the first member and the second member, and an electric shock is prevented by preventing a part of the body from entering the insertion groove. It is a prevention structure.

(2) The above-mentioned (1), wherein the first member has an engaging means on the second member side, and the second member has an engaging means for engaging with the engaging means. Electric shock prevention structure.
(3) The electric shock prevention structure according to (1) or (2), wherein the second member side of the insulator member has a disk-shaped flange.

Next, the gist configuration of the connector of the present invention is as follows.
(4) A connector to which a mating object is attached and detached and connected to a connection object,
A required number of power contacts having a contact portion that contacts the object and a connection portion connected to the connection object;
In a connector comprising at least a housing in which the power supply contacts are held and arranged and has an insertion groove into which the counterpart is inserted, and a fitting portion into which the counterpart is fitted.
The power contact is divided into a first member having the contact portion and a second member having the connection portion,
A plurality of contact portions of the power contact are arranged as plate-shaped pieces along the insertion groove,
A rod-shaped insulator member is disposed at a substantially central portion with the contact portions of the plurality of plate-like pieces,
A connector characterized in that the bottom of the insulator is sandwiched and held between the first member and the second member, and an electric shock is prevented by preventing a part of the body from entering the insertion groove. is there.

(5) The connector according to (4), wherein the rod-shaped insulator member that prevents insertion of a cylindrical object having a diameter of 12 mm or more is disposed in the insertion groove.
(6) The above (4) or (4), wherein the first member has an engaging means on the second member side, and the second member has an engaging means for engaging with the engaging means. 5) The connector described above.
(7) The connector according to (4), (5), or (6) above, wherein the second member side of the insulator member has a disk-shaped flange.
(8) The connector according to (7), wherein the second member side of the first member has contact means with the second member.
(9) The connector according to any one of (5) to (8), further including a signal contact having a contact portion that contacts the counterpart and a connection portion that connects to the cable. is there.

According to the electric shock prevention structure and the connector of the present invention, it is possible to prevent electric shock by reliably preventing a part of the body (such as a finger) from entering the insertion groove with a simple structure.

(A) It is the perspective view which looked at the connector of this invention from the fitting direction of the other party connector. (B) It is the perspective view which looked at the connector of this invention from the opposite side of the fitting direction of the other party connector. (C) It is sectional drawing which cut the connector of this invention in the center of a certain 1st insertion part. (D) It is sectional drawing which cut the connector of this invention in the center of a certain 2nd insertion part. (A) It is the perspective view which looked at the housing from the fitting direction of the other party connector. (B) It is the perspective view which looked at the housing from the opposite side of the fitting direction of the other party connector. (C) It is sectional drawing which cut the housing in the center of a certain 1st insertion part. (D) It is sectional drawing which cut the housing in the center of a certain 2nd insertion part. (A) It is the perspective view which looked at the state which hold | maintained the insulator to the contact for power supplies from the contact direction of the other party connector. (B) It is the perspective view which looked at the state which hold | maintained the insulator to the contact for power supplies from the opposite side (connection part direction) with the contact direction of the other party connector. (C) It is sectional drawing which cut | disconnected the state which hold | maintained the insulator in the contact for power supplies with a certain plate-shaped piece in the center of the insulator. (A) It is the perspective view which looked at the contact for signals from the contact direction with the other party connector. (B) It is the perspective view which looked at the signal contact from the opposite side (connection direction) to the contact direction with the mating connector. (A) It is the perspective view which looked at the 1st member from the contact direction with the other party connector. (B) It is the perspective view which looked at the 1st member from the opposite direction (engagement direction with a 2nd member) with the contact direction with the other party connector. (A) It is the perspective view which looked at the 2nd member from the contact direction (engagement direction with the 1st member) with the other party connector. (B) It is the perspective view which looked at the 2nd member from the connection direction with a connection target object. (C) It is sectional drawing which cut the 2nd member in the center. (A) It is the perspective view which looked at the insulator from the contact direction with the other party connector. (B) It is the perspective view which looked at the insulator from the opposite side (engagement direction with a 2nd member) with the contact direction with the other party connector. (A) It is the perspective view which looked at the 1st end cover from the mounting direction of the contact for power supplies. (B) It is the perspective view which looked at the 1st end cover from the opposite side to the mounting direction of the contact for power supplies. (A) It is the perspective view which looked at the 2nd end cover from the mounting direction of the contact for power supplies. (B) It is the perspective view which looked at the 2nd end cover from the opposite side to the mounting direction of the contact for power supplies. (A) It is the perspective view seen from the fitting direction of the other party connector. (B) It is sectional drawing which cut the other party connector in the center of the part fitted with a certain power supply contact. (C) It is sectional drawing which cut | disconnected the other party connector in the center of the part fitted with a certain signal contact.

A feature of the present invention is that a required number of power contacts 14 having a contact portion 163 that contacts an object and a connection portion 182 that is connected to the connection object,
A housing 22 having an insertion groove 224 in which the power supply contacts 14 are held and arranged and into which the counterpart is inserted;
The power contact 14 is divided into a first member 16 having the contact portion 163 and a second member 18 having the connection portion 182.
A required number of contact portions 163 of the power contact 14 are arranged in the insertion groove 224,
A rod-like insulator member 20 for preventing the insertion of a cylindrical object having a diameter of 12 mm or more is disposed in the insertion groove 224 in which the contact portions 163 of the required number of power supply contacts 14 are disposed,
The bottom portion of the insulator member 20 is sandwiched and held between the first member 16 and the second member 18 to prevent electric shock by preventing a part of the body from entering the insertion groove 224. This is an electric shock prevention structure.
That is, the electric shock prevention structure of the present invention is a cylindrical shape having a diameter of 12 mm or more between the insertion groove 224 and the contact portion 163 of the power contact 14 disposed in the insertion groove 224 of the electrically insulating housing 22. A rod-shaped insulator member 20 for preventing the insertion of the object is arranged.

An embodiment of the connector 10 of the present invention will be described with reference to FIGS.
FIG. 1A is a perspective view of the connector of the present invention as seen from the mating direction of the mating connector, and FIG. 1B is a perspective view of the connector of the present invention as seen from the opposite side of the mating connector. (C) is sectional drawing which cut the connector of this invention in the center of a certain 1st insertion part, (D) is sectional drawing which cut the connector of this invention in the center of a certain 2nd insertion part. . 2A is a perspective view of the housing as seen from the mating connector fitting direction, FIG. 2B is a perspective view of the housing from the opposite side of the mating connector fitting direction, and FIG. 2C is the housing. Is a cross-sectional view taken along the center of a certain first insertion part, and (D) is a cross-sectional view taken along the center of a certain second insertion part. FIG. 3A is a perspective view of the state in which the insulator is held on the power contact from the contact direction of the mating connector, and FIG. 3B is the state in which the insulator is held on the power contact. It is the perspective view seen from the direction opposite to a direction (connection part direction), (C) is sectional drawing which crossed the state which hold | maintained the insulator in the contact for power supplies at the center of the insulator with a certain plate-shaped piece. 4A is a perspective view of the signal contact viewed from the contact direction with the mating connector, and FIG. 4B is a perspective view of the signal contact viewed from the side opposite to the contact direction with the mating connector (connection direction). . FIG. 5A is a perspective view of the first member viewed from the contact direction with the mating connector, and FIG. 5B is the opposite side of the first member in the contact direction with the mating connector (direction of engagement with the second member). It is the perspective view seen. FIG. 6A is a perspective view of the second member as seen from the contact direction with the mating connector (the direction of engagement with the first member), and FIG. 6B is the view of the second member as seen from the direction of connection with the connection object. It is a perspective view and (C) is a sectional view which cut the 2nd member in the center. FIG. 7A is a perspective view of the insulator viewed from the contact direction with the mating connector, and FIG. 7B is a perspective view of the insulator viewed from the side opposite to the contact direction with the mating connector (engagement direction with the second member). It is a perspective view. 8A is a perspective view of the first end cover as viewed from the mounting direction of the power contact, and FIG. 8B is a perspective view of the first end cover as viewed from the side opposite to the mounting direction of the power contact. . FIG. 9A is a perspective view of the second end cover as seen from the mounting direction of the power contact, and FIG. 9B is a perspective view of the second end cover as seen from the side opposite to the mounting direction of the power contact. . FIG. 10A is a perspective view seen from the mating direction of the mating connector, FIG. 10B is a cross-sectional view of the mating connector taken along the center of a portion that mates with a certain power contact, and FIG. It is sectional drawing which cut | disconnected the other party connector in the center of the part fitted with a certain signal contact.

  The connector 10 will be described with reference to FIGS. The connector 10 includes at least a contact portion 163 that contacts an object (mating connector 60) and a power contact 14 (a divided first member 16 divided) having a connection portion 182 that is connected to an object to be connected (bus bar 40 or cable 42). And a second member 18), a housing 22 in which the power contact 14 is held and arranged, and an insulator 20 for preventing electric shock. Furthermore, in this embodiment, the signal contact 12, the first end cover 24, and the second end cover 26 are provided.

  In order to describe the connector 10, a mating connector 60 according to the present embodiment as a mating object will be described with reference to FIG. 10. In this embodiment, the mating connector 60 includes a mating housing 62, a mating signal contact 66, a mating power contact 64, a cover 68, and a handle 70. The mating housing 22 has a substantially cylindrical shape, and a mating signal insertion hole 622 into which the required number of mating signal contacts 66 are inserted and a mating power supply insertion hole 621 into which the required number of mating power contacts 64 are inserted. Has been.

  First, the power contact 14 will be described. The power contact 14 can be molded only by cutting when it is molded integrally, and there is a difference between a material suitable for cutting and a material considering connection stability (spring property and electrical conductivity), which are contradictory. The first member 16 having the contact part 163 with the counterpart and the second member 18 having the connection part 182 with the connection object are divided into two bodies.

  The first member 16 is made of metal and is manufactured by a known press working or cutting process. The material of the first member 16 is required to have springiness, conductivity, dimensional stability, and the like, and examples thereof include beryllium copper, phosphor bronze, and other various alloys.

  The first member 16 has a substantially cylindrical shape, and a plurality of plate-like pieces 162 protrude from the main body 161 in both directions. A first contact portion 163 that contacts the counterpart is provided in the fitting direction with the counterpart. On the second member 18 direction side, a second contact portion 164 that contacts the second member 18 and an engagement means 165 that holds and engages the second member are provided.

  The first contact portion 163 has a curved shape so that it can easily come into contact with the counterpart, and every other contact position is shifted in the longitudinal direction of the plate-like piece 163 in order to reduce the peak value of the insertion force. ing. The number of the plate-like pieces 162 and the shape and position of the first contact portion 163 are appropriately designed in consideration of connection stability, spring characteristics, conductivity, current capacity, and the like. In this embodiment, twelve plate-like pieces 163 are provided at equal intervals, and every other piece is shifted by 2.5 mm in the longitudinal direction.

  The second contact portion 164 is a portion that comes into contact with the second member 18 to achieve conduction. The shape, size, and quantity of the second contact portion 164 may be any shape as long as stable conduction is obtained, but is appropriately designed in consideration of connection stability, spring characteristics, conductivity, current capacity, and the like. In the present embodiment, the second contact portion 164 is provided in a convex shape so that four and five are substantially opposed to nine other than the two provided with the engaging means.

  The engaging means 165 is engaged with the locking means 184 of the second member 18 so that the first member 16 and the second member 18 are integrated to form the power contact 14. is there. The engagement means 165 may have any shape, size, and quantity as long as it can be stably held, but is appropriately designed in consideration of holding force, holding strength, workability, assemblability, and the like. In this embodiment, the lance is cut and raised at a position that faces approximately 180 degrees.

  The second member 18 is made of metal and is manufactured by a known cutting process. Since the material of the second member 18 is required to be machinable or conductive, examples thereof include brass, pure copper, phosphor bronze, and other various alloys.

  The second member 18 has a substantially cylindrical shape, and a flange 185 for positioning the housing 22 is provided on one side. The shape, size, and position of the flange 185 are only required to be able to be positioned and held, and are appropriately designed in consideration of the position, strength, and workability.

  On the side of the flange 185, there is an insertion groove 181 into which the second contact portion 164 of the first member 16 is inserted, and a locking means 184 that is connected to the insertion groove 181 and a positioning that is connected to the locking means 184. A groove 183 is further provided. On the opposite side of the fitting groove 181, there is a connecting portion 182 that connects to a connection object.

  The fitting groove 181 only needs to have the second contact portion 164 portion of the first member 16 and a stable connection with the contact portion 186 on the side surface, and the size and shape are the same as the shape of the second contact portion 164 portion. Along with this, it is designed as appropriate in consideration of connection stability, workability, and assembly.

  The locking means 184 is a portion that engages with the engaging means 165 of the first member 16, and the shape and size are appropriately designed in consideration of stable holding, holding force, workability, assemblability, and the like. . In the present embodiment, the groove shape corresponding to the lance shape of the first member 16 is larger than the insertion groove 181. The depth is appropriately designed in consideration of a stable holding force.

  The positioning groove 183 is a portion into which the positioning pin 204 of the insulator 20 to be operated later is inserted, and the position and size of the positioning groove 183 is such that the pin portion 201 of the insulator 20 is located at the center of the plate-like piece 162. The shape 204 is adapted.

The position of the connection part 182 differs depending on the connection object.
In the case of the bus bar 40, the connection is achieved by pressing the bus bar 40 against the end surface by screwing a male screw into a portion that is an end surface and subjected to the internal thread processing.
In the case of a cable, a connection is made by opening a hole and fixing the core wire of the cable into the hole by soldering or crimping.

  Next, the insulator 20 will be described. This insulator 20 is an electrically insulating plastic, and is manufactured by a known technique of injection molding or cutting. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene 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 insulator 20 is substantially rod-shaped, has a pin portion 201 on one end side, and has a positioning pin 204 for positioning with the second member 18 on the other end side. A flange 202 sandwiched between the first member 16 and the second member 18 is provided on the pin portion 201 side, and a tapered portion 203 is provided on the pin portion 201 side of the flange 202.

  The pin portion 201 is positioned at the center of the plate-like pieces 162 arranged in a plurality of circles, thereby preventing insertion of a cylindrical object having a diameter of 12 mm or more. The pin portion 201 may have any shape and size as long as this role can be achieved, and is appropriately designed in consideration of the role, workability, strength, and the like.

  The tapered portion 203 is a portion for reinforcing the pin portion 201. Although the role can be achieved even if the flange portion 202 is kept in the size (thickness) of the pin portion 201, it is easy to break in terms of strength, so it is tapered for the purpose of reinforcement and gradually increases in size. .

  The flange 202 is a portion for sandwiching between the first member 16 and the second member 18. The size and shape of the first member 16 and the second member 18 only need to be sandwiched between the first member 16 and the second member 18, and are appropriately designed in consideration of holding force, workability, strength, and the like.

  The positioning pin 204 is a portion that enters the positioning groove 183 of the second member 18. The position and size of the positioning pin 204 are such that the pin portion 201 of the insulator 20 is located at the center of the plate-like piece 162, and the positioning groove 183. It follows the shape of.

  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 mainly has a fitting part 221 and a flange part 226. A fitting port 5 into which a mating object enters is formed inside the fitting portion 221, and a first insertion portion 222 into which the power contact 14 enters and a second insertion into which the signal contact 12 enters. A portion 223 is formed, the first insertion portion 222 has a through-insertion groove 224, and the second insertion portion 223 has a through-insertion hole 225.

  The fitting portion 221 and the fitting port 5 are appropriately designed so that the mating object can enter (can be mated), and in this embodiment, can be mated with the mating connector 60. That is, a stable connection is obtained along the shape of the mating connector 60.

  The first insertion portion 222 and the insertion groove 224 are appropriately designed so that the power contact 14 is held and can be connected to a counterpart power contact. In the insertion groove 224, the first contact portion 163 of the first member 16 of the power contact 14 is arranged and held. In this embodiment, the first contact portion 163 is divided into plate-like pieces 162 at the tip, arranged in a substantially cylindrical shape, and the insulator 20 is mounted between the opposed first contact portions 163 to have a diameter of 12 mm. The above cylindrical object is prevented from being inserted. In this embodiment, three insertion holes 224 are provided, but the number may be two or four depending on the application.

The second insertion portion 223 and the insertion hole 225 are appropriately designed so that the signal contact 12 is held and can be connected to a counterpart signal contact. In the present embodiment, two insertion holes 225 are provided, and the two are arranged in a pair. The number may be one, one pair of three, or one pair of four depending on the application. In some cases, only the power contact 14 may be provided.

  Next, the signal contact 12 will be described. The signal contact 12 is made of metal and is manufactured by a known press working or cutting process. As the material of the signal contact 12, spring property, conductivity, dimensional stability, and the like are required, and examples thereof include beryllium copper, phosphor bronze, and other various copper alloys.

  The signal contact 12 includes at least a contact portion 122 that contacts a counterpart and a connection portion 125 that connects a connection target. In this embodiment, two signal contacts 12 are provided, two are arranged in a pair, two pairs are arranged in two places, and a total of four signal contacts 12 are arranged. ing. The number may be one, one pair of three, or one pair of four depending on the application. In some cases, only the power contact 14 may be provided.

  The contact portion 122 is a portion that contacts the counterpart signal contact 66, and is appropriately designed to have a structure that allows contact. In this embodiment, a socket structure is used, which is divided into four contact pieces 121 by slits 123 so that the mating signal contact 66 can be brought into contact by being inserted into the four contact pieces 121.

  The connecting portion 125 is a portion that is connected to a connection object, and in this embodiment, a hole is provided and a core wire of the cable is inserted into the hole, and is connected to the cable 42 by crimping. Any connection other than crimping may be used as long as it can be stably connected.

  A flange portion 124 for fixed positioning is formed substantially in the middle between the contact portion 122 and the connection portion 123. Positioning is performed when the signal contact 12 is inserted into the insertion hole 225 of the housing 22. A step portion is formed in the insertion hole 225 of the housing 22 so as to abut.

  In this embodiment, the signal contact 12 is held by being sandwiched between the housing 22 and the second end cover by holding the second end cover 26 to the housing 22 from the connection side of the cable 42. Yes. As a holding method, any method may be used as long as a stable connection can be made and held. For example, press fitting, hooking (lance structure), welding, or the like may be used.

  Next, the first end cover 24 will be described. The first end cover 24 is an electrically insulating plastic, and is manufactured by known injection molding or cutting, and this material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene 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 first end cover 24 is for holding the power contact 14 (the first member 16 and the second member 18) in the insertion groove 224 of the first insertion portion 222 of the housing 22. The first end cover 24 has a mounting portion 241 having a mounting hole 242 for receiving the first insertion portion 221, a holding portion 245 having an engaging portion 243 engaged with the housing 22, and positioning the bus bar 40. It has a positioning projection 244 for this purpose.

  The shape and size of the mounting hole 242 are appropriately designed in accordance with the shape of the first insertion portion 221 of the housing 22 and considering the connection reliability, holding force, and the like of the power contact 14.

  The engaging portion 243 is for holding the power contact 14 by engaging with the housing 22. In this embodiment, a hook structure is used, but any structure may be used as long as connection stability, holding force, and the like are satisfied. Examples include press fitting, welding, and screwing.

  The positioning protrusion 244 determines the directionality of the bus bar 40 by engaging with a notch or the like of the bus bar 40. The shape and size of the positioning convex portion 244 are appropriately designed in consideration of this role, holding force, workability, and the like.

  Next, the second end cover 26 will be described. The second end cover 26 is an electrically insulating plastic, and is manufactured by a known technique of injection molding or cutting. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene 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 second end cover 26 is for holding the signal contact 12 in the insertion hole 225 of the second insertion portion 223 of the housing 22. The second end cover 26 includes a mounting portion 262 having an insertion hole 263 into which the second insertion portion 223 is inserted, and a main body portion 261 having an engagement portion 264 that engages with the housing 22.

    The shape and size of the insertion hole 263 is appropriately designed in accordance with the shape of the second insertion portion 223 of the housing 22 and considering the connection reliability and holding force of the signal contact 12. In this embodiment, since the signal contacts 12 are formed in pairs, two insertion holes 263 are provided.

  The engaging portion 264 is for holding the signal contact 12 by engaging with the housing 22. In this embodiment, a hook structure is used, but any structure may be used as long as connection stability, holding force, and the like are satisfied. Examples include press fitting, welding, and screwing.

  Finally, the electric shock prevention structure of the present invention will be described. The electric shock prevention structure of the present invention means that between the contact portion 163 of the power contact 14 and the insertion groove 224 and between the contact portions 163 in the insertion groove 224 of the electrically insulating housing 22. A rod-shaped insulator member 20 for preventing insertion of a cylindrical object having a diameter of 12 mm or more is arranged.

  As an application example of the present invention, it is used for a connector used in an in-vehicle device such as an electric vehicle or a hybrid vehicle, an electric device, an electronic device, etc., and in particular, an electric shock prevention structure using a power contact with a simple structure and The present invention relates to a connector using the structure.

5 fitting port 10 connector 12 signal contact 121 contact piece 122 contact portion 123 slit 124 flange portion 125 connection portion 14 power contact 16 first member 161 body 162 plate-like piece 163 first contact portion 164 second contact portion 165 engagement Means 18 Second member 181 Insertion groove 182 Connection portion 183 Positioning groove 184 Locking means 185 鍔 186 Contact portion 20 Insulator 201 Pin portion 202 Flange 203 Tapering portion 204 Positioning pin 22 Housing 221 Fitting portion 222 First insertion portion 223 First 2 Insertion part 224 Insertion groove 225 Insertion hole 226 Flange part 227 Hole 24 First end cover 241 Mounting part 242 Mounting hole 243 Engaging part 244 Positioning convex part 245 Holding part 26 Second end cover 261 Main body part 262 Mounting part 263 Insertion hole H.264 engaging portion 40 bus bar 42 Le 60 mating connector 62 mating housing 621 mating power contact insertion hole 622 mating signal contact insertion hole 64 mating power contact 66 mating signal contacts 68 cover 70 handle

Claims (9)

A required number of power contacts having a contact portion that contacts an object and a connection portion that is connected to the connection object;
A housing having an insertion groove in which the contact for power supply is held and arranged and into which the counterpart is inserted;
The power contact is divided into a first member having the contact portion and a second member having the connection portion,
The required number of contact portions of the power contact are arranged in the insertion groove,
A rod-shaped insulator member for preventing insertion of a cylindrical object having a diameter of 12 mm or more is disposed in the insertion groove where the contact portions of the required number of power supply contacts are disposed,
The bottom of the insulator member is sandwiched and held between the first member and the second member, and an electric shock is prevented by preventing a part of the body from entering the insertion groove. Prevention structure.   The electric shock prevention structure according to claim 1, further comprising an engaging unit on the second member side of the first member, and an engaging unit that engages with the engaging unit on the second member.   The electric shock prevention structure according to claim 1 or 2, wherein the second member side of the insulator member has a disk-shaped flange. It is a connector that is connected to an object to be connected while a partner is attached and detached,
A required number of power contacts having a contact portion that contacts the object and a connection portion connected to the connection object;
In a connector comprising at least a housing in which the power supply contacts are held and arranged and has an insertion groove into which the counterpart is inserted, and a fitting portion into which the counterpart is fitted.
The power contact is divided into a first member having the contact portion and a second member having the connection portion,
A plurality of contact portions of the power contact are arranged as plate-shaped pieces along the insertion groove,
A rod-shaped insulator member is disposed at a substantially central portion with the contact portions of the plurality of plate-like pieces,
A connector characterized in that a bottom portion of the insulator is sandwiched and held between the first member and the second member, and an electric shock is prevented by preventing a part of the body from entering the insertion groove.   5. The connector according to claim 4, wherein the rod-shaped insulator member for preventing insertion of a cylindrical object having a diameter of 12 mm or more is disposed in the insertion groove.   6. The connector according to claim 4, wherein the first member has an engaging means on the second member side, and the second member has an engaging means for engaging with the engaging means.   The connector according to claim 4, wherein the second member side of the insulator member has a disk-shaped flange.   8. The connector according to claim 7, further comprising contact means for contacting the second member on the second member side of the first member.   The connector according to claim 5, further comprising a signal contact having a contact portion that contacts the counterpart and a connection portion that connects to a cable.

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