CN107492730B - Terminal holding member for connector, and electrical connection device - Google Patents
Terminal holding member for connector, and electrical connection device Download PDFInfo
- Publication number
- CN107492730B CN107492730B CN201710418263.8A CN201710418263A CN107492730B CN 107492730 B CN107492730 B CN 107492730B CN 201710418263 A CN201710418263 A CN 201710418263A CN 107492730 B CN107492730 B CN 107492730B
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- CN
- China
- Prior art keywords
- connector
- engaging
- holding member
- pressed
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
Abstract
A terminal holding member for a connector is mountable to a housing having a simple structure, the housing having no engaging portion for mounting only the terminal holding member for the connector. A terminal holding member (30) for a connector used for a connector (2) is configured so that a lock arm (20) formed on a housing body (11) is engaged with a mating connector to prevent the connector from coming off the mating connector. A terminal holding member (30) for a connector is provided with: a pressing part (32) which presses the terminal (25) inserted into the housing main body (11) toward the direction in which the terminal (25) is inserted into the housing main body (11); and an engagement portion (33) having an engagement claw (38) that engages with the lock arm (20) in a state in which the terminal (25) is pressed by the pressing portion (32).
Description
Technical Field
The present invention relates to a terminal holding member for a connector for holding a terminal in a connector housing, a connector provided with the terminal holding member for the connector, and an electrical connection device provided with the connector.
Background
Conventionally, in order to prevent incomplete attachment of a terminal to a connector housing, a holder (terminal holding member for connector) has been used. For example, in jp 2009-.
However, in japanese patent application laid-open No. 2009-272104, a locking portion 116 (rib) is formed in the housing 100 in order to hold the retainer 300 in the housing 100. For example, in order to attach the retainer to a conventional connector having no retainer (specifically, a connector having a structure in which the rib is omitted in japanese patent application laid-open No. 2009-272104), a die modification for forming the rib as described above on the housing is required. Further, even in the case of remanufacturing a mold for a housing with a rib, the structure of the mold becomes complicated because the rib is required.
Disclosure of Invention
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a terminal holding member for a connector that can be mounted to a connector housing having a simple structure, the connector housing having no engaging portion for mounting only the terminal holding member for the connector, a connector including the terminal holding member for the connector, and an electrical connection device including the connector.
Means for solving the problems
(1) In order to solve the above problem, a terminal holding member for a connector according to an aspect of the present invention is used for a connector, and prevents the connector from coming off a mating connector by engaging a lock arm formed in a housing main body with the mating connector, the terminal holding member including: a pressing portion that presses a terminal inserted into the housing main body toward a direction in which the terminal is inserted into the housing main body; and an engagement portion having an engagement claw that engages with the lock arm in a state where the terminal is pressed by the pressing portion.
According to this configuration, when the terminal holding member for the connector is attached to the housing main body in a state in which the terminal is inserted into the housing main body, the engaging portion can be engaged with the lock arm in a state in which the terminal in the housing main body is pressed by the pressing portion of the terminal holding member for the connector and completely attached. This prevents incomplete attachment of the terminal to the housing body.
Further, according to this configuration, the terminal holding member for the connector can be engaged with the lock arm. In this way, as in the connector disclosed in japanese patent application laid-open No. 2009-272104, it is not necessary to newly form a portion (rib) for engaging the holding member for a connector with the connector housing in the connector housing, and therefore, it is not necessary to modify a mold for forming the rib. In addition, when such a mold for a connector housing with a rib is newly made, the structure of the mold can be simplified because the rib is not necessary.
Therefore, according to this structure, it is possible to provide the terminal holding member for connector which can be mounted on the connector housing having a simple structure without the engaging portion for mounting only the terminal holding member for connector.
(2) Preferably, the lock arm has a pressed portion formed to protrude from the lock arm, and when the pressed portion is pressed in a fitted state in which the connector is fitted to the mating connector, engagement of the lock arm with the mating connector is released, and the engagement claw is engaged with the pressed portion.
According to this configuration, the engagement claw is engaged with the convex pressed portion formed on the lock arm in a state where the terminal holding member for connector is attached to the housing main body of the connector. That is, according to this structure, since it is not necessary to newly provide a portion for fixing the contact holding member to the connector housing (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), the structure of the connector can be simplified.
(3) More preferably, the engaging portion further includes a cover portion that covers at least a portion of the lock arm on the side of the pressed portion in the fitted state, and the engaging portion is configured to: in the fitted state, the engaging portion is elastically deformed by pressing the cover portion toward the pressed portion.
According to this configuration, when the cover section is pressed in a fitted state in which the connector is fitted to the mating connector, the cover section flexes toward the pressed section. Thus, the pressed portion is pressed, and the connector is unlocked from the mating connector. That is, according to this configuration, at least the portion of the lock arm on the side of the pressed portion can be covered and protected by the cover portion, and the connector can be maintained in a detachable configuration with respect to the mating connector.
(4) Preferably, the engaging portion further includes a cover portion that covers at least a portion of the lock arm on the side of the pressed portion in the fitted state, and the engaging portion is configured to: in the fitted state, the engaging portion is not deformed even if the cover portion is pressed toward the pressed portion side.
According to this configuration, even if the cover section is pressed in a fitted state in which the connector is fitted to the mating connector, the cover section does not flex and cannot press the pressed section. That is, according to this structure, a so-called fixed connector can be provided as follows: when the connector is fitted to the mating connector, the connector cannot be removed from the mating connector.
(5) Preferably, the engaging claw is integrally formed with the cover portion.
According to this configuration, since the engaging claws are integrally formed in the cover portion, it is not necessary to newly provide the terminal holding member for a connector with portions in which the engaging claws are formed. That is, according to this structure, the terminal holding member for a connector having a simplified structure can be provided.
(6) Preferably, the lock arm has an arm-side lock claw that engages with an engaged portion formed on the mating connector, and the engagement claw engages with the arm-side lock claw.
According to this configuration, the engagement claw is engaged with the arm-side lock claw in a state where the contact terminal holding member is attached to the housing main body of the connector. That is, according to this structure, it is not necessary to newly provide a portion for fixing the contact holding member to the connector housing (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), and therefore, the structure of the connector can be simplified.
(7) Preferably, the lock arm has: an arm-side locking claw that engages with an engaged portion formed on the mating connector; a swing portion on which the arm-side locking claw is formed and which is provided to be swingable; and a fulcrum portion that is a portion integrally connecting the swing portion and the case main body and serves as a fulcrum when the swing portion swings, and the engagement claw is engaged with the fulcrum portion.
According to this configuration, the engagement claw is engaged with the fulcrum portion in a state where the contact terminal holding member is attached to the housing main body of the connector. That is, according to this structure, it is not necessary to newly provide a portion for fixing the contact holding member to the connector housing (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), and therefore, the structure of the connector can be simplified.
(8) In order to solve the above problem, a connector according to an aspect of the present invention includes: a connector housing having a housing body; a terminal accommodated in the housing main body; and any one of the above-described terminal holding members for a connector.
According to this configuration, it is possible to provide a connector including a terminal holding member for connector which is mountable to a connector housing having a simple structure, the connector housing not having an engagement portion for mounting only the terminal holding member for connector.
(9) In order to solve the above problem, an electrical connection device according to an aspect of the present invention includes: the above-mentioned connector; and a mating connector to which the connector is fitted.
According to this configuration, it is possible to provide an electrical connection device including a terminal holding member for connector which is mountable to a connector housing having a simple structure, the connector housing not having an engagement portion for mounting only the terminal holding member for connector.
Effects of the invention
According to the present invention, it is possible to provide a terminal holding member for a connector which can be mounted on a connector housing having a simple structure, the connector having no engaging portion for mounting only the terminal holding member for the connector, a connector having the terminal holding member for the connector, and an electrical connection device having the connector.
Drawings
Fig. 1 is a perspective view of an electrical connection device according to an embodiment of the present invention.
Fig. 2 is a view of the electrical connection device shown in fig. 1, as viewed from above.
Fig. 3 is a side view of the electrical connection device shown in fig. 1.
Fig. 4 is a view of the connector shown in fig. 1 as viewed from above.
Fig. 5 is a side view of the connector shown in fig. 4.
Fig. 6 is a sectional view taken along line VI-VI in fig. 5.
Fig. 7 is a sectional view taken along line VII-VII in fig. 4.
Fig. 8 is a perspective view of the connector housing shown in fig. 1.
Fig. 9 is a perspective view of the holder shown in fig. 1.
Fig. 10 is a perspective view of the retainer shown in fig. 9 as viewed from another direction, and is a view showing a portion near the pressing portion omitted.
Fig. 11(a) is a side view of the retainer shown in fig. 9, and fig. 11(B) is a view of the retainer shown in fig. 9 as viewed from above.
Fig. 12 is a cross-sectional view of a modified connector, and is a view corresponding to fig. 7.
Fig. 13(a) is a side view of the holder shown in fig. 12, and fig. 13(B) is a view of the holder shown in fig. 12 as viewed from above.
Fig. 14 is a view of a modified connector as viewed from above.
Fig. 15 is a sectional view of the connector shown in fig. 14, and is a view shown corresponding to fig. 12.
Fig. 16(a) is a side view of the holder shown in fig. 14, and fig. 16(B) is a view of the holder shown in fig. 14 as viewed from above.
Fig. 17 is a view of a modified connector as viewed from above.
Fig. 18 is a side view of the connector shown in fig. 17.
Fig. 19 is a cross-sectional view taken along line XIX-XIX in fig. 18.
Fig. 20(a) is a side view of the holder shown in fig. 17, and fig. 20(B) is a top view of the holder shown in fig. 17.
Fig. 21 is a perspective view of an electrical connection device according to a modification.
Fig. 22 is a side view of the retainer shown in fig. 21.
Description of the reference symbols
1. 1a electric connection device
2. 2 a-2 d connector
3 opposite side connector
10 connector housing
11 casing body
20 locking arm
21 fulcrum part
22 oscillating part
23 arm side locking pawl
24 pressed part
25 female contact (terminal)
30. 30a to 30d holder (terminal holding member for connector)
32 pressing part
33. 33 a-33 d engaging part
37. 37a, 37b cover
38. 38a, 38b retainer engaging claws (engaging claws)
Detailed Description
The following describes a mode for carrying out the present invention with reference to the drawings. The present invention is widely applicable to a terminal holding member for a connector, and an electrical connection device.
Fig. 1 is a perspective view of an electrical connection device 1 according to an embodiment of the present invention. Fig. 2 is a view of the electrical connection device 1 shown in fig. 1 as viewed from above. Fig. 3 is a side view of the electrical connection device 1 shown in fig. 1.
In the drawings, for convenience of explanation, a direction indicated by a right arrow is referred to as a right side, a direction indicated by a left arrow is referred to as a left side, a direction indicated by an upper arrow is referred to as an upper side or an upper side, a direction indicated by a lower arrow is referred to as a lower side or a lower side, a direction indicated by a front arrow is referred to as a front side or a front side, and a direction indicated by a rear arrow is referred to as a rear side or a rear side.
[ Structure of electric connection device ]
The electrical connection device 1 includes a connector 2 and a mating connector 3. In the electrical connection device 1, the connector 2 is fitted to the mating connector 3 fixed to the board Sub, and both are electrically connected. The electrical connection device 1 of the present embodiment is a so-called electrical connection device with a lock mechanism, and includes a lock mechanism for preventing the connector 2 from coming off the mating connector 3.
[ Structure of the partner side connector ]
The mating connector 3 is a connector mounted on the board Sub side. The mating connector 3 has a mating connector housing 4 and a male contact 5.
The mating side connector housing 4 has a base portion 6 and a wall portion 7, which are integrally formed. The mating connector housing 4 is made of resin having insulating properties.
The base portion 6 is a rectangular parallelepiped portion having a predetermined thickness in the front-rear direction and being long in the left-right direction. The base portion 6 is formed with a plurality of through holes (not shown) penetrating the base portion 6 in the thickness direction. In the present embodiment, five through holes are formed at intervals in the left-right direction. These through holes are provided as male contact through holes into which the male contacts 5 are pressed.
The wall portion 7 is a wall-like portion formed to extend rearward from an upper portion of the base portion 6. A protruding portion 8 extending in the left-right direction is formed on a rear portion of the upper surface of the wall portion 7. The protruding portion 8 is provided as an engaged portion 8a with which a lock arm 20 of the connector 2 described later in detail is engaged.
The male contact 5 is a metal member formed in a rod shape. The mating connector 3 of the present embodiment has five male contacts 5. Each male contact 5 is press-fitted into a male contact through-hole formed in the mating connector housing 4 and fixed, and is soldered to a land portion (not shown) of the substrate Sub. Thereby, the mating connector 3 is fixed to the substrate Sub.
[ Structure of connector ]
Fig. 4 is a view of the connector 2 shown in fig. 1 as viewed from above. Fig. 5 is a side view of the connector shown in fig. 4. Fig. 6 is a sectional view taken along line VI-VI in fig. 5. Further, fig. 7 is a sectional view taken along line VII-VII in fig. 4.
The connector 2 is a connector that engages with a mating connector 3 fixed to the board Sub. The connector 2 has a connector housing 10, female contacts 25 (terminals), and a holder 30 (terminal holding member for connector), which are assembled with each other to form the connector 2.
[ Structure of connector housing ]
Fig. 8 is a perspective view of the connector housing 10 shown in fig. 1.
The connector housing 10 has a housing main body 11 and a lock arm 20, which are integrally formed. The connector housing 10 is also made of an insulating resin member, as in the case of the mating connector housing 4.
The housing body 11 is a substantially box-shaped member having an opening at the rear. The housing main body 11 has a shape slightly flat in the up-down direction. Four partition walls 12 that partition the internal space of the case main body 11 into five spaces in the left-right direction are formed inside the case main body 11. The four partition walls 12 are arranged at equal intervals in the left-right direction. Female contacts 25 are press-fitted into the spaces defined by the four partition walls 12, and the cables C are press-fitted to the female contacts. That is, these spaces are provided as contact accommodating spaces S that accommodate the female contacts 25.
Referring to fig. 7, five through holes 14 are formed in the front wall portion 13 of the housing body 11, and the five through holes penetrate the front wall portion 13 in the front-rear direction. In fig. 7, only one through hole 14 is shown. These five through holes 14 are provided as male contact through holes 14 into which the male contacts 5 of the mating connector 3 are inserted when the connector 2 is fitted to the mating connector 3. The male contact through-hole 14 communicates with each contact accommodating space S inside the housing body 11.
Further, referring to fig. 7, five slot hole portions 16 elongated in the front-rear direction are formed in the lower wall portion 15 of the housing main body 11. In fig. 7, only one slot portion 16 is illustrated. The slot portions 16 are formed at equal intervals in the left-right direction. Each slot portion 16 passes through the lower wall portion 15 in the vertical direction and communicates with each corresponding contact accommodating space S. In a state where the female contact 25 is normally accommodated in the connector 2, the contact lance portion 28c formed in the female contact 25 is caught on the surface portion 16a on the rear side of each slot portion 16.
Referring to fig. 8, the lock arm 20 is a portion formed on the upper wall portion 17 of the housing main body 11. The lock arm 20 has a fulcrum portion 21 and a swinging portion 22, which are integrally formed.
The fulcrum portion 21 is formed at the central portion in the front-rear direction of the upper wall portion 17 of the case main body 11. In the present embodiment, two fulcrum portions 21 are formed. The supporting portions 21 are formed at intervals in the left-right direction. Each fulcrum portion 21 is provided so as to slightly protrude upward from the upper wall portion 17 of the housing main body 11.
The swing portion 22 is a plate-shaped portion extending in the front-rear-left-right direction and having a predetermined thickness in the vertical direction, and a lower surface portion of the swing portion 22 is provided integrally with the two fulcrum portions 21. A projecting portion that slightly projects downward and is elongated in the left-right direction is formed at a portion below the front end portion of the swing portion 22. The projecting portion is provided as an arm-side locking claw 23 which is engaged with an engaged portion 8a formed in the mating connector housing 4 in a state where the connector 2 is engaged with the mating connector 3.
In the swing portion 22, a protruding portion is formed in an upper portion of a rear end portion of the swing portion 22. The protruding portion is formed to extend in the left-right direction at the rear end portion of the swing portion 22. The protruding portion is provided to slightly protrude upward from the upper surface of the swing portion 22. The protruding portion is provided as a pressed portion 24, and the pressed portion 24 is pressed by a user when the connector 2 fitted to the mating connector 3 is detached from the mating connector 3.
Referring to fig. 7, the female contact 25 is a member formed by bending a metal member by press working or the like. The female contact 25 has a covering pressing portion 26, a core pressing portion 27, and a contact portion 28, which are integrally formed. In the female contact 25, the coating portion of the cable C is pressed by the coating pressing portion 26, and the core wire of the cable C is pressed by the core wire pressing portion 27. Thereby, the cable C is fixed to the female contact 25, and the core wire of the cable C is electrically connected to the female contact 25. The contact portion 28 has: a square tube 28a formed in a square tube shape having an opening in the front-rear direction; and a plate spring portion 28b provided inside the square tubular portion 28a, and formed integrally therewith.
Each female contact 25 is accommodated in the contact accommodating space S in the connector housing 10 in a state where the cable C is fixed as described above. At this time, the tip portion (rear portion) of the contact lance 28c formed in the square cylindrical portion 28a of the female contact 25 is caught on the surface portion 16a formed in the housing body 11, and the female contact 25 can be prevented from coming off the connector housing 10.
In each female contact 25, the male contact 5 of the mating connector 3 is inserted into the square tubular portion 28a of the female contact 25 in a state where the connector 2 is fitted to the mating connector 3. At this time, the male contact 5 is held by being sandwiched between the square tubular portion 28a and the plate spring portion 28b of the female contact 25. Thereby, the female contact 25 and the male contact 5 are electrically connected.
[ Structure of holder ]
Fig. 9 is a perspective view of the holder 30 shown in fig. 1. Fig. 10 is a perspective view of the holder 30 shown in fig. 9 as viewed from another direction, and is a view in which a portion near the pressing portion 32 is omitted. Fig. 11(a) is a side view of the retainer 30 shown in fig. 9, and fig. 11(B) is a view of the retainer 30 shown in fig. 9 as viewed from above.
The retainer 30 serves to prevent incomplete mounting of the female-type contacts 25 accommodated in the connector housing 10 with respect to the connector housing 10. The holder 30 has a base portion 31, a pressing portion 32, an engaging portion 33, and a lower extending portion 39, which are integrally formed. The holder 30 is formed of an insulating resin member.
The base 31 is a wall-shaped portion provided on the rear side of the holder 30, and is formed in a rectangular shape elongated in the left-right direction when viewed from the rear. The base 31 has a predetermined thickness in the front-rear direction.
The pressing portions 32 are formed to extend forward from the lower end portion of the base portion 31, and five are formed at equal intervals in the left-right direction. At both ends in the left-right direction on the distal end side of the pressing portion 32, protruding portions 34 protruding forward from the portions are formed. In the holder 30, referring to fig. 7, in a state where the holder 30 is attached to the connector housing 10, the protruding portions 34 formed on the pressing portions 32 abut against the rear side portions of the upper portions of the square tubular portions 28a of the female contacts 25.
Referring to fig. 9 to 11, the engagement portion 33 is a portion formed on the upper side of the base portion 31, and is a portion that locks the connector housing 10 in a state where the holder 30 is attached to the connector housing 10. The engaging portion 33 includes a pair of upper extending portions 35, a pair of leg portions 36, and a cover portion 37, which are integrally formed.
The pair of upper extending portions 35 are portions formed to extend forward from both left and right end portions of the upper end portion of the base portion 31. Each upper extension 35 has a thickness that is thin in the up-down direction.
The pair of leg portions 36 are formed to extend slightly upward from the distal ends of the pair of upper extending portions 35. Cover portions 37 are integrally formed at the upper ends of the pair of leg portions 36. That is, the pair of leg portions 36 support the cover portion 37 from below.
The cover portion 37 is a plate-shaped portion that is formed to have a predetermined thickness in the vertical direction and is elongated in the lateral direction. Both ends of the cover 37 in the left-right direction are integrally provided with the upper ends of the pair of legs 36, respectively. The hood 37 covers a portion of the lock arm 20 on the pressed portion 24 side from above in a state where the holder 30 is attached to the connector housing 10.
Referring to fig. 10, two retainer engaging claws 38 are formed on the lower surface of the cover portion 37.
Two retainer engaging claws 38 are formed at a spacing in the left-right direction. The retainer engaging claw 38 is provided as a projection-like portion that slightly protrudes downward from the lower surface of the cover portion 37. Referring to fig. 7, the holder engaging claw 38 engages with the pressed portion 24 formed on the lock arm 20 in a state where the holder 38 is attached to the connector housing 10. Thus, even if the retainer 30 is pulled rearward, the retainer engaging claws 38 are engaged with the pressed portions 24, and therefore, the retainer 30 can be prevented from coming off the connector housing 10.
Referring to fig. 9 and 10, the pair of lower extending portions 39 are portions formed to extend forward from both left and right end portions of the vertical center portion of the base portion 31. That is, each lower extending portion 39 is formed between the engaging portion 33 and the pressing portion 32 in the vertical direction. Gaps are formed between the upper extension 35 and the lower extension 39 and between the lower extension 39 and the pressing portion 32, respectively.
In the present embodiment, the engaging portion 33 is configured to be elastically deformed. Specifically, the pair of upper extending portions 35 of the engaging portion 33 is formed to have a small thickness in the vertical direction as described above. Thus, when the cover 37 is pressed downward, the distal ends of the pair of upper extending portions 35 are pressed downward through the pair of leg portions 36. Thus, the end portions of the pair of upper extensions 35 are bent downward. On the other hand, when the downward pressing of the cover 37 is released, the pair of upper extending portions 35 are restored. Thereby, the engaging portion 33 is configured to be elastically deformed.
[ engagement state of connector housing and retainer ]
In a state where the retainer 30 is attached to the connector housing 10, referring to fig. 7, the retainer engaging claw 38 is engaged with the pressed portion 24 of the lock arm 20 formed in the connector housing 10. This can prevent the retainer 30 from coming off the connector housing 10. In a state where the holder 30 is fixed to the connector housing 10 in this way, the pressing portion 32 of the holder 30 presses the square tubular portion 28a of the female contact 25 from the rear side. This prevents the female contact 25 from coming off the connector housing 10.
However, in the conventionally known connector, as disclosed in, for example, japanese patent application laid-open No. 2009-272104, an engaging portion is formed in the housing so as to hold the holder in the housing. For example, in order to attach the retainer to a conventional connector having no retainer (specifically, a connector having a structure in which the rib is omitted in japanese patent application laid-open No. 2009-272104), a die modification for forming the rib as described above in the housing is required. Further, even in the case of remanufacturing a mold for a housing with a rib, the structure of the mold becomes complicated because the rib is required.
In this regard, according to the retainer 30 of the present embodiment, the retainer 30 is fixed to the connector 2 by the lock arm 20 provided in the connector 2 of the electrical connection device 1 as in the present embodiment. Accordingly, it is not necessary to form a rib for fixing the retainer in the connector housing as disclosed in japanese patent application laid-open No. 2009-272104, and therefore, the structure of the connector housing can be simplified.
[ Effect ]
As described above, according to the holder 30 of the electrical connection device 1 of the present embodiment, when the holder 30 is attached to the housing main body 11 in a state where the female contact 25 is inserted into the housing main body 11, the engagement portion 33 can be engaged with the lock arm 20 in a state where the female contact 25 in the housing main body 11 is pressed from the rear side by the pressing portion 32 of the holder 30 and completely attached. This can prevent incomplete attachment of the female contact 25 to the housing body 11.
Further, the retainer 30 can be engaged with the lock arm 20. In this way, it is not necessary to newly form a portion (rib) for engaging the retainer with the connector housing in the connector housing as in the connector in japanese patent application laid-open No. 2009-272104, and therefore, it is not necessary to modify a mold for forming the rib. In addition, when the mold for the ribbed housing is newly made, the structure of the mold can be simplified because no rib is required.
Therefore, according to the holder 30, it is possible to provide a holder mountable to a connector housing having a simple structure, which does not have a click portion for mounting only the holder.
Further, according to the retainer 30, in a state where the retainer 30 is attached to the housing main body 11 of the connector 2, the retainer engagement claws 38 are engaged with the convex pressed portions 24 formed on the lock arms 20. That is, according to the retainer 30, since it is not necessary to newly provide a portion for fixing the retainer 30 to the connector housing 10 (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), the structure of the connector can be simplified.
Further, according to the retainer 30, when the hood 37 is pressed in the fitted state in which the connector 2 is fitted to the mating connector 3, the hood 37 is bent toward the pressed portion 24. Thereby, the pressed portion 24 is pressed through the hood 37, and the lock of the connector 2 with respect to the mating connector 3 is released. That is, according to the retainer 30, at least the portion of the lock arm 20 on the side of the pressing portion 24 can be covered and protected by the hood 37, and the connector 2 can be maintained in a detachable configuration with respect to the mating connector 3.
Further, according to the retainer 30, since the retainer engaging claws 38 are integrally formed on the hood portion 37, it is not necessary to newly provide the retainer 30 with a portion where the retainer engaging claws 38 are formed. That is, according to the retainer 30, a retainer having a simplified structure can be provided.
Further, according to the connector 2 having the holder 30, it is possible to provide a connector having a holder mountable to a connector housing having a simple structure, the connector housing not having a locking portion for mounting only the holder.
Further, according to the electrical connection device 1 having the connector 2, it is possible to provide an electrical connection device provided with a holder mountable to a connector housing having a simple structure, the connector housing not having an engagement portion for mounting only the holder.
The embodiments of the present invention have been described above, but the present invention is not limited to these, and various modifications can be made without departing from the scope of the present invention.
[ modified examples ]
(1) Fig. 12 is a cross-sectional view of a modified connector 2a, and is a view corresponding to fig. 7. Fig. 13(a) is a side view of the retainer 30a shown in fig. 12, and fig. 13(B) is a view of the retainer 30a shown in fig. 12 as viewed from above. The shape of the retainer of the connector 2a of the present modification is different from that of the connector 2 of the above-described embodiment. Hereinafter, the description will be mainly given of portions different from the above embodiment, and the description of the other portions will be omitted.
The retainer 30a of the present modification includes a base portion 31, a pressing portion 32, an engaging portion 33a, and a lower extending portion 39, which are integrally formed. The base portion 31, the pressing portion 32, and the lower extending portion 39 have the same configurations as those of the above-described embodiment, and therefore, the description thereof is omitted.
The engaging portion 33a has a pair of side wall portions 41 and a cover portion 37a, which are integrally formed.
The pair of side walls 41 are walls formed to extend forward from both ends in the left-right direction of the base 31. Each side wall portion 41 is a wall-shaped portion having a thickness in the left-right direction.
The cover portion 37a is a plate-shaped portion formed to have a predetermined thickness in the vertical direction. Both end portions of the cover portion 37a in the left-right direction are integrally provided with respective upper end portions of the pair of side wall portions 41. Further, a rear portion of the cover 37a is provided integrally with the base 31. The hood 37a covers the portion of the lock arm 20 on the pressed portion 24 side in the state where the holder 30a is attached to the connector housing 10, as in the case of the hood 37 of the above-described embodiment.
Two retainer engaging claws 38 are formed on the lower surface of the cover portion 37 a. The position and shape of the retainer engaging claws 38 are the same as those in the above embodiment, and therefore, the description thereof is omitted.
As described above, in the retainer 30a of the present modification as well, the retainer 30a can be engaged with the lock arm 20 as in the case of the above-described embodiment. That is, it is not necessary to form a portion (rib) for engaging the retainer with the connector housing in the connector housing. Therefore, according to the retainer 30a, it is possible to provide a retainer mountable to a connector housing having a simple structure.
(2) Fig. 14 is a view of a modified connector 2b as viewed from above. Fig. 15 is a sectional view of the connector 2b shown in fig. 14, and is a view corresponding to fig. 12. Fig. 16(a) is a side view of the holder 30B shown in fig. 14, and fig. 16(B) is a view of the holder 30B shown in fig. 14 as viewed from above. The shape of the retainer of the connector 2b of the present modification is different from that of the connector 2a of the modification described with reference to fig. 12 and 13. Hereinafter, the description will be given mainly of portions different from the above-described modified examples, and the description of the other portions will be omitted.
The retainer 30b of the present modification includes a base portion 31, a pressing portion 32, an engaging portion 33b, and a lower extending portion 39, which are integrally formed. The base portion 31, the pressing portion 32, and the lower extending portion 39 have the same configurations as those of the above-described embodiment and the above-described modification, and therefore, the description thereof is omitted.
The engaging portion 33b has a pair of side wall portions 41 and a cover portion 37b, which are integrally formed. The structure of the pair of side wall portions 41 is the same as that of the side wall portion 41 of the above-described modification, and therefore, the description thereof is omitted.
The cover portion 37b has a first cover portion 42 and a second cover portion 43, which are formed integrally.
Referring to fig. 15, the first hood 42 covers a rear portion of the lock arm 20 from above in a state where the connector 2 is fitted to the mating connector 3. The first cover 42 is a plate-shaped portion formed in a rectangular shape that is long in the left-right direction when viewed from above. A rear portion of the first cover portion 42 is integrally provided with the base portion 31, and a left portion and a right portion are integrally provided with the pair of side wall portions 41, respectively.
Referring to fig. 15, the second hood 43 covers a front portion of the lock arm 20 from above in a state where the connector 2 is fitted to the mating connector 3. The second cover portion 43 is a plate-like portion formed in a rectangular shape that is long in the front-rear direction when viewed from above. A rear portion of the second cover portion 43 is integrally provided with a left-right direction center portion of the front end of the first cover portion 42.
A retainer engaging claw 38a is formed on the lower surface of the second cover portion 43. The retainer engaging claw 38a is provided as a projection-like portion that slightly protrudes downward from the front end portion of the lower surface of the second cover portion 43. The retainer engaging claw 38a engages with the arm-side lock claw 23 formed on the lock arm 20 in a state where the retainer 30b is attached to the connector housing 10. Thereby, the retainer 30b can be fixed to the connector housing 10.
As described above, in the retainer 30b of the present modification as well, the retainer 30b can be engaged with the lock arm 20 as in the case of the above-described embodiment. That is, it is not necessary to form a portion (rib) for engaging the retainer with the connector housing in the connector housing. Therefore, according to the retainer 30b, it is possible to provide a retainer mountable to a connector housing having a simple structure.
In the retainer 30b, the retainer engaging claws 38a engage with the arm-side lock claws 23 in a state where the retainer 30b is attached to the housing body 11. That is, according to this structure, it is not necessary to newly provide a portion for fixing the retainer to the connector housing (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), and therefore, the structure of the connector can be simplified.
(3) Fig. 17 is a view of a modified connector 2c as viewed from above. Fig. 18 is a side view of the connector 2c shown in fig. 17. Fig. 19 is a cross-sectional view taken along line XIX-XIX in fig. 18. Fig. 20(a) is a side view of the holder 30c shown in fig. 17, and fig. 20(B) is a top view of the holder 30c shown in fig. 17. The shape of the retainer of the connector 2c of the present modification is different from that of the connector 2 of the above-described embodiment. Hereinafter, the description will be given mainly of portions different from the above-described modified examples, and the description of the other portions will be omitted.
The retainer 30c of the present modification includes the base portion 31, the pressing portion 32, the engaging portion 33c, and the first extending portion 44 and the second extending portion 45, which are integrally formed. The base portion 31 and the pressing portion 32 have the same configurations as those of the above-described embodiment and the above-described modification, and therefore, the description thereof is omitted.
The first extending portion 44 and the second extending portion 45 are portions integrally formed with each other so as to extend forward from a portion on the upper side of the base portion 31. In a state where the retainer 30c is mounted to the connector housing 10, the first extending portion 44 and the second extending portion 45 cover rear side portions of both right and left end portions of the lock arm 20 from the upper side and the outside. The first extending portion 44 is formed to extend forward from an upper portion of both left and right end portions of the base portion 31. The first extending portion 44 is a wall-shaped portion formed to have a predetermined thickness in the left-right direction. The second extending portions 45 are formed to extend forward from both right and left side portions of the upper end portion of the base portion 31. The second extending portion 45 is a wall-shaped portion formed to have a predetermined thickness in the vertical direction.
The engaging portion 33c has a pair of lower extending portions 39a and a retainer engaging claw 38 b.
The pair of lower extending portions 39a are portions formed to extend forward from both left and right end portions of the vertical center portion of the base portion 31, as in the case of the above-described embodiment. That is, each lower extending portion 39a is formed between the first and second extending portions 44 and 45 and the pressing portion 32 in the up-down direction. Each lower extending portion 39a extends forward of the lower extending portion 39 of the above embodiment. Specifically, in a state where the retainer 30c is attached to the connector housing 10, each lower extending portion 39a extends slightly forward of the fulcrum portion 21 of the lock arm 20.
The retainer engaging claws 38b are provided as projecting portions that slightly project inward from the inner portions of the distal end portions of the respective lower extending portions 39 a. In a state where the retainer 30c is attached to the connector housing 10, the retainer engaging claw 38b engages with the fulcrum portion 21 of the lock arm 20. Thereby, the retainer 30c can be fixed to the connector housing 10.
As described above, in the retainer 30c of the present modification, the retainer 30c can be engaged with the lock arm 20, as in the case of the above-described embodiment. That is, it is not necessary to form a portion (rib) for engaging the retainer with the connector housing in the connector housing. Therefore, according to the retainer 30c, it is possible to provide a retainer mountable to a connector housing having a simple structure.
Further, according to the retainer 30c, the retainer engagement claws 38b are engaged with the fulcrum portions 21 in a state where the retainer 30c is attached to the housing main body 11. That is, according to the retainer 30c, since it is not necessary to newly provide a portion for fixing the retainer to the connector housing (for example, a rib or the like in japanese patent application laid-open No. 2009-272104), the structure of the connector can be simplified.
(4) Fig. 21 is a perspective view of an electrical connection device 1a according to a modification. Fig. 22 is a side view of the retainer 30d shown in fig. 21. In the above embodiment, the electrical connection device 1 in which the connector 2 is detachably connected to the mating connector 3 has been described as an example, but the present invention is not limited thereto. The electrical connection device 1a of the present modification is configured such that once the connector 2 is fitted to the mating connector 3, the connector 2 cannot be detached from the mating connector 3.
The retainer 30d shown in fig. 22 has a base portion 31, a pressing portion 32, and an engaging portion 33d, which are integrally formed. The configurations of the base portion 31 and the pressing portion 32 are the same as those of the above-described embodiment, and therefore, the description thereof is omitted.
The engaging portion 33d has a side wall portion 46, an upper extending portion 35, a leg portion 36, and a cover portion 37, which are integrally formed. The configurations of the upper extending portion 35, the leg portion 36, and the cover portion 37 are the same as those of the above-described embodiment, and therefore, the description thereof is omitted.
The side wall portion 46 is a wall-shaped portion formed to extend forward from both left and right end portions of the base portion 31, having a predetermined thickness in the left-right direction, and having a predetermined height in the up-down direction. The upper end of the side wall portion 46 is integrally formed with the upper extending portion 35. In other words, each side wall portion 46 has a shape in which a gap between the upper extending portion 35 and the lower extending portion 39 is filled in fig. 11 (a).
According to the electrical connection device 1a having the above configuration, the lock arm 20 cannot be pressed in a state where the connector 2d is fitted to the mating connector 3. That is, the connector 2d of the electrical connection device 1a is a so-called fixed connector. Specifically, referring to fig. 21, in a state where the connector 2d is fitted to the mating connector 3, the hood 37 of the connector 2d covers the pressed portion 24 of the lock arm 20. In the present modification, the hood 37 is not elastically deformed even when pressed toward the lock arm 20. Specifically, referring to fig. 22, since the upper extending portion 35, in which the cover portion 37 is integrally formed by the leg portion 36, is supported from below by the side wall portion 46 having a predetermined height in the vertical direction, the cover portion 37 is not elastically deformed.
As described above, according to the retainer 30d of the present modification, even if the hood 37 is pressed in the fitted state in which the connector 2d is fitted to the mating connector 3, the hood 37 does not bend and the pressed portion 24 cannot be pressed. That is, by using the retainer 30d, a so-called fixed type connector can be provided as follows: when the connector 2d is fitted to the mating connector 3, the connector 2d cannot be removed from the mating connector 3.
Industrial applicability
The present invention is widely applicable to a terminal holding member for a connector, and an electrical connection device, and particularly to a terminal holding member for a connector that is mountable to a connector housing having a lock arm that engages with a mating connector.
Claims (9)
1. A terminal holding member for a connector, which is used for a connector and prevents the connector from coming off a mating connector by engaging a lock arm formed on a housing main body with the mating connector,
the terminal holding member for a connector includes:
a pressing portion that presses a terminal inserted into the housing main body toward a direction in which the terminal is inserted into the housing main body; and
an engaging portion having an engaging claw that engages with the lock arm in a state where the terminal is pressed by the pressing portion,
the lock arm has a pressed portion formed to protrude from the lock arm, and when the pressed portion is pressed in a fitted state in which the connector is fitted to the mating connector, engagement of the lock arm with the mating connector is released,
the engaging claw is engaged with the pressed portion.
2. The terminal holding member for a connector according to claim 1,
the engaging portion further includes a cover portion that covers at least a portion of the lock arm on the pressed portion side in the fitted state, and the engaging portion is configured to: in the fitted state, the engaging portion is elastically deformed by pressing the cover portion toward the pressed portion.
3. The terminal holding member for a connector according to claim 1,
the engaging portion further includes a cover portion that covers at least a portion of the lock arm on the pressed portion side in the fitted state, and the engaging portion is configured to: in the fitted state, the engaging portion is not deformed even if the cover portion is pressed toward the pressed portion side.
4. The terminal holding member for a connector according to claim 2,
the engaging claw is integrally formed with the cover portion.
5. The terminal holding member for a connector according to claim 3,
the engaging claw is integrally formed with the cover portion.
6. A terminal holding member for a connector, which is used for a connector and prevents the connector from coming off a mating connector by engaging a lock arm formed on a housing main body with the mating connector,
the terminal holding member for a connector includes:
a pressing portion that presses a terminal inserted into the housing main body toward a direction in which the terminal is inserted into the housing main body; and
an engaging portion having an engaging claw that engages with the lock arm in a state where the terminal is pressed by the pressing portion,
the lock arm has an arm-side lock claw that engages with an engaged portion formed on the mating connector,
the engaging claw is engaged with the arm-side locking claw.
7. A terminal holding member for a connector, which is used for a connector and prevents the connector from coming off a mating connector by engaging a lock arm formed on a housing main body with the mating connector,
the terminal holding member for a connector includes:
a pressing portion that presses a terminal inserted into the housing main body toward a direction in which the terminal is inserted into the housing main body; and
an engaging portion having an engaging claw that engages with the lock arm in a state where the terminal is pressed by the pressing portion,
the lock arm has:
an arm-side locking claw that engages with an engaged portion formed on the mating connector;
a swing portion on which the arm-side locking claw is formed and which is provided to be swingable; and
a fulcrum portion that is a portion integrally connecting the swing portion and the case main body and that serves as a fulcrum when the swing portion swings,
the engagement claw engages with the fulcrum portion.
8. A connector, characterized in that,
the connector includes:
a connector housing having a housing body;
a terminal accommodated in the housing main body; and
the terminal holding member for a connector according to any one of claims 1 to 7.
9. An electrical connection device, characterized in that,
the electrical connection device is provided with:
the connector of claim 8; and
and a mating connector to which the connector is fitted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-116490 | 2016-06-10 | ||
| JP2016116490A JP6727580B2 (en) | 2016-06-10 | 2016-06-10 | Connector terminal holding member, connector, and electrical connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492730A CN107492730A (en) | 2017-12-19 |
| CN107492730B true CN107492730B (en) | 2021-08-17 |
Family
ID=60643141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710418263.8A Expired - Fee Related CN107492730B (en) | 2016-06-10 | 2017-06-06 | Terminal holding member for connector, and electrical connection device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6727580B2 (en) |
| CN (1) | CN107492730B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6519702B1 (en) * | 2018-07-19 | 2019-05-29 | Smk株式会社 | Electrical connector |
| JP7239414B2 (en) * | 2019-07-19 | 2023-03-14 | 矢崎総業株式会社 | connector |
| CN112968309B (en) * | 2021-02-05 | 2021-11-23 | 东莞市思索连接器有限公司 | Fixing structure of connector female seat and circuit board |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107492730A (en) | 2017-12-19 |
| JP6727580B2 (en) | 2020-07-22 |
| JP2017220427A (en) | 2017-12-14 |
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