CN107453131B - A secondary lock a connecting component connector and connector assembly - Google Patents
A secondary lock a connecting component connector and connector assembly Download PDFInfo
- Publication number
- CN107453131B CN107453131B CN201610375539.4A CN201610375539A CN107453131B CN 107453131 B CN107453131 B CN 107453131B CN 201610375539 A CN201610375539 A CN 201610375539A CN 107453131 B CN107453131 B CN 107453131B
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- Prior art keywords
- holding
- secondary lock
- connector
- lock
- shell
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- 230000000670 limiting effect Effects 0.000 claims description 85
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
- H01R13/6395—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap for wall or panel outlets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a secondary lock a connection assembly, a connector and a connector assembly. The secondary lock includes a body, a first retaining portion, and a second retaining portion. The first retaining portion is disposed on the body and extends in an axial direction of the secondary lock, and is operable to restrict the first connecting member in a thickness direction of the first retaining portion. The second retaining portion is disposed on the body and extends in a direction opposite to the axial direction of the secondary lock, and is operable to restrict the second connecting member in a thickness direction of the second retaining portion. The first connecting piece and the second connecting piece are respectively accommodated in the first shell and the second shell. The invention has simple structure and the connection is stable.
Description
Technical Field
The invention relates to an electric connection structure, in particular to a secondary lock, a connection assembly, a connector and a connector assembly.
Background
The connector or the connecting piece is used for realizing electric connection. Typically, the connectors or connectors are typically made with conductive material in direct contact to make electrical connection. Accordingly, excellent electrical connection performance must be based on stable mechanical connection. Corresponding connection structures are generally employed in the prior art to provide stable mechanical connection performance. The corresponding connection structure in the prior art is generally complex in structure.
Disclosure of Invention
One of the purposes of the present invention is to overcome the shortcomings of the prior art, and to provide a secondary lock, a connection assembly, a connector and a connector assembly with a simplified structure and stable connection.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the invention provides a secondary lock. The secondary lock includes:
a body;
a first holding portion provided on the body and extending in an axial direction of the secondary lock, and operable to restrict the first connecting member in a thickness direction of the first holding portion;
a second holding portion for holding the first and second holding portions, the second retaining part is arranged on the body and extends reversely along the axial direction of the secondary lock, and is operable to restrict the second connecting member in the thickness direction of the second holding portion.
Preferably, the first holding portion is provided so as to be directly or indirectly abutted on the first connecting member in the thickness direction of the first holding portion; and/or
The second holding portion is provided so as to be directly or indirectly abutted against the second connecting member in the thickness direction of the second holding portion.
Preferably, the first holding portion has a first upper holding surface and a first lower holding surface that perpendicularly intersect a thickness direction of the first holding portion, at least one of the first upper holding surface and the first lower holding surface being available for direct or indirect abutment on the first connecting member; and-or (b)
The second holding portion has a second upper holding surface and a second lower holding surface that perpendicularly intersect a thickness direction of the second holding portion, and at least one of the second upper holding surface and the second lower holding surface is available for direct or indirect abutment against the second connecting member.
Preferably, at least one of the first upper holding surface and the first lower holding surface is an inclined surface extending in the extending direction of the first holding portion; and/or
At least one of the second upper holding surface and the second lower holding surface and inclined surfaces extending in the extending direction of the second holding portion.
Preferably, the body is provided with a connecting through hole along the axial direction of the secondary lock in a penetrating way;
the connecting through hole is used for penetrating the second connecting piece or the first connecting piece.
Preferably, the secondary lock further comprises a mounting portion;
the mounting part is arranged on the body and extends in the same direction with the first holding part so as to be assembled and matched with the first shell; or (b)
The mounting part and the second holding part extend in the same direction so as to be assembled and matched with the second shell.
Preferably, the mounting portion is tubular around the first or second retaining portion.
Preferably, the secondary lock further comprises a primary locking portion;
the primary locking part is arranged on the mounting part;
the primary latch may be adapted for pre-latch engagement with the first housing or the second housing.
Preferably, the secondary lock further comprises a secondary locking part;
the secondary locking part is arranged on the mounting part and is arranged with the primary locking part along the axial direction of the secondary lock at intervals;
the secondary locking part is used for being in final locking fit with the first shell or the second shell.
Preferably, the primary locking portion includes a pre-lock guide surface and a pre-lock stop surface;
the pre-lock guide surface is obliquely arranged along the extending direction of the first retaining portion or the second retaining portion;
the pre-locking stop surface is inclined or perpendicular to the mounting part and can be in pre-locking fit with the first shell or the second shell; and/or
The secondary locking part comprises a final locking guide surface and a final locking stop surface;
the final lock guide surface is obliquely arranged along the extending direction of the first retaining part or the second retaining part and can guide the first shell or the second shell to move from the pre-lock stop surface to the final lock stop surface;
the end lock stop surface is inclined or perpendicular to the mounting portion to be end-lock engageable with the first housing or the second housing.
Preferably, the primary locking portion has the same height as the secondary locking portion protruding from the mounting portion;
the angle of inclination of the pre-lock guide surface relative to the mounting portion is smaller than the angle of inclination of the final-lock guide surface relative to the mounting portion.
Preferably, the inner side wall of the mounting part is provided with a mounting groove;
the mounting groove penetrates to the free end of the mounting part along the extending direction of the first retaining part or the second retaining part;
the primary locking part and/or the secondary locking part are/is arranged in the mounting groove.
Preferably, the primary locking portion and the secondary locking portion are arranged in a staggered manner along the extending direction of the first holding portion or the second holding portion.
Preferably, the secondary lock is an injection molded one piece.
The invention also provides a connecting component. The connection assembly comprising a first housing and a secondary lock as claimed in any one of the preceding claims;
the secondary lock is disposed on the first housing.
Preferably, the secondary lock further comprises a mounting portion;
the mounting part is arranged on the body and extends in the same direction with the first holding part so as to be assembled and matched with the first connecting piece; or (b)
The mounting part and the second holding part extend in the same direction so as to be assembled and matched with the second connecting piece.
Preferably, the first housing has a lock engagement portion;
the secondary lock further comprises a primary locking part;
the primary locking part is arranged on the mounting part;
the primary locking portion may be in locking engagement with the locking engagement portion to preassemble the first housing with the secondary lock.
Preferably, the secondary lock further comprises a secondary locking part;
the secondary locking part is arranged on the mounting part, and is arranged at intervals with the primary locking part along the axial direction of the secondary lock;
the secondary locking part can be in locking fit with the locking fit part, to complete the assembly of the first housing with the secondary lock.
Preferably, the first housing has a first cavity opened along an axial direction, and the first cavity is used for accommodating the first connecting piece.
The invention also provides a connector. The connector includes:
first connecting piece
A connection assembly as claimed in any one of the preceding claims;
the first shell is provided with a first accommodating cavity which is axially formed;
the first connecting piece is accommodated in the first accommodating cavity;
the first retaining portion directly or indirectly abuts against the first connecting piece along the transverse direction of the secondary lock so as to limit the movement of the first connecting piece.
Preferably, the first housing is provided with a first limiting part in the first accommodating cavity;
the first limiting part is arranged between the first holding part and the first connecting piece and is abutted to the first connecting piece.
Preferably, the first housing is provided with a plurality of first limiting parts in the first accommodating cavity, and the plurality of first limiting parts are respectively arranged at the upper side and the lower side of the first holding part and are abutted against the first connecting piece;
the first retaining part is inserted between the first limiting parts at the upper side and the lower side and is respectively abutted with the first limiting parts at the upper side and the lower side.
Preferably, the first holding portion has a first upper holding surface and a first lower holding surface which perpendicularly intersect a thickness direction of the first holding portion;
the first upper holding surface is abutted with the first limiting part at the upper side;
the first lower holding surface is abutted with the first limiting part at the lower side.
Preferably, at least one of the first upper holding surface and the first lower holding surface is an inclined surface extending in the extending direction of the first holding portion.
Preferably, the first connection member has a first connection step portion;
the first limiting part is provided with a first limiting step part;
The first connecting step part is in blocking fit with the first limiting step part.
The invention also provides a connector assembly. The connector assembly includes:
mating connector
A connector as claimed in any one of the preceding claims;
the counter connector is connected and matched with the connector.
Preferably, the counter connector comprises a second housing;
the second shell is in butt-fit connection with the first shell.
Preferably, a buckle is arranged on the second shell; the first shell is provided with a clamping matching part; or (b)
The second shell is provided with a clamping matching part; the first shell is provided with a buckle;
the buckle is matched with the clamping matching part in a clamping way.
Preferably, the second housing is provided with a second accommodating cavity along the axial direction;
the counter connector further comprises a second connecting piece;
the second connecting piece is accommodated in the second accommodating cavity and extends to be connected with the first connecting piece.
Preferably, the second holding portion directly or indirectly abuts on the second connecting member in a lateral direction of the secondary lock to restrict movement of the second connecting member.
Preferably, the second housing is provided with a second limiting part in the second accommodating cavity;
The second limiting part is arranged between the second holding part and the second connecting piece and is abutted to the second connecting piece.
Preferably, the second housing is provided with a plurality of second limiting parts in the second accommodating cavity, and the plurality of second limiting parts are respectively arranged at the upper side and the lower side of the second holding part and are abutted against the second connecting piece;
the second retaining part is inserted between the second limiting parts at the upper side and the lower side and is respectively abutted with the second limiting parts at the upper side and the lower side.
Preferably, the second holding portion has a second upper holding surface and a second lower holding surface which perpendicularly intersect the thickness direction of the second holding portion;
the second upper holding surface is abutted with the second limiting part at the upper side;
the second lower holding surface is abutted with the second limiting part at the lower side.
Preferably, at least one of the second upper holding surface and the second lower holding surface is an inclined surface extending in the extending direction of the second holding portion.
Preferably, the second connecting member has a second connecting step portion;
the second limiting part is provided with a second limiting step part;
the second connecting step part is in blocking fit with the second limiting step part.
Compared with the prior art, the secondary lock has a simplified structure and can provide stable connection for the second connecting piece and the first connecting piece. The secondary lock comprises a first retaining part and a second retaining part, and can simultaneously limit the movement of the first connecting piece and the second connecting piece, so that the first connecting piece and the second connecting piece are stably connected. The secondary lock realizes stable connection through a single structure, simplifies a connection structure, saves manufacturing cost, saves occupied space and provides general performance.
Further, the first shell (or the second shell) of the invention adopts the first limiting part to extend between the first connecting piece and the first retaining part so as to limit the movement of the first connecting piece, thereby simplifying the structure of the secondary lock. The first limiting part is provided with a first limiting step part to be in limiting fit with a first connecting step part of the first connecting piece, so that the first connecting piece is limited in the thickness direction of the first holding part, the first connecting piece can be limited in the axial extending direction of the first holding part, and the stable connecting performance is further improved. The secondary lock is matched with the first shell through pre-locking in the transportation process, so that transportation is convenient, transportation cost is saved, and the assembly of the instant final lock of a user can be facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a secondary lock according to the present invention.
Fig. 2 is a schematic structural view of the secondary lock shown in fig. 1 from another perspective.
Fig. 3 is a schematic structural view of the secondary lock shown in fig. 1 from yet another perspective.
Fig. 4 is a top view of the secondary lock shown in fig. 1.
Fig. 5 is a cross-sectional view of the secondary lock shown in fig. 4 taken along line A-A.
Fig. 6 is a schematic structural diagram of a connection assembly according to the present invention.
Fig. 7 is an exploded perspective view of the connection assembly shown in fig. 6.
Fig. 8 is a schematic structural view of the first housing shown in fig. 6.
Fig. 9 is a top view of the connection assembly shown in fig. 6.
Fig. 10 is a cross-sectional view of the connection assembly shown in fig. 9 taken along line B-B.
Fig. 11 is a schematic structural diagram of a connector according to the present invention.
Fig. 12 is an exploded perspective view of the connector shown in fig. 11.
Fig. 13 is a top view of the connector shown in fig. 11.
Fig. 14 is a cross-sectional view of the connector shown in fig. 13 taken along line C-C.
Fig. 15 is a schematic structural view of the first connector shown in fig. 11.
Fig. 16 is a schematic structural view of a connector assembly according to the present invention.
Fig. 17 is an exploded perspective view of the connector assembly shown in fig. 16.
Fig. 18 is a top view of the connector assembly shown in fig. 16.
Fig. 19 is the connector shown in fig. 18 the assembly is shown in cross-section along line D-D.
Fig. 20 is a schematic structural view of the second housing shown in fig. 16.
Fig. 21 is a schematic structural view of the second connector shown in fig. 16.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
embodiment one:
referring to figures 1 to 3 of the drawings, which is a secondary lock 101 provided by the present invention. The secondary lock 101 includes a body 10, a first holding portion 20 provided on the body 10 and extending in an axial direction of the secondary lock 101, and a second holding portion 30 provided on the body 10 and extending in the opposite direction to the axial direction of the secondary lock 101.
With continued reference to figure 1 and figure 2, the body 10 is used for supporting and arranging the first holding part 20 and the second holding part 30. The body 10 may have a shape, a structure, and a size that are sufficient to support and provide the first and second holding portions 20 and 30. In this embodiment, the body 10 has a substantially rectangular flat plate shape.
In order to facilitate interconnection between the first connecting member 77 and the second connecting member 99, which will be described below, the body 10 is provided with a connecting through hole 12 therethrough in a thickness direction. The connecting through hole 12 is used for penetrating the first connecting piece 77 or the second connecting piece 99, so as to realize interconnection of the first connecting piece 77 and the second connecting piece 99. The number, the opening position, the shape and the size of the connecting through holes 12 are selected according to the corresponding interconnection requirements. In this embodiment, the number of the connection through holes 12 is twelve. Six of the connecting through holes 12 are uniformly distributed on the upper side of the first holding portion 20 and/or the second holding portion 30, and the other six connecting through holes 12 are uniformly distributed on the lower side of the first holding portion 20 and/or the second holding portion 30. Each of the connecting through holes 12 is a rectangular through hole of the same shape and size. Each of the connection through holes 12 is in contact with the first and second holding portions 20, 30.
With continued reference to fig. 1 and 3, the first retaining portion 20 is disposed on the body 10 and extends along the axial direction of the secondary lock 101. The first holding portion 20 is used for limiting the first connecting piece 77 along the thickness direction of the first holding portion 20, i.e. directly or indirectly preventing the first connecting piece 77 from freely moving along the thickness direction of the first holding portion 20. In the present embodiment, the first holding portion 20 indirectly restricts the movement of the first connector 77 by restricting the movement of the first stopper portion 65 of the first housing 60 described below. In order to achieve a better limiting effect, the first holding portion 20 abuts against the first connecting piece 77 through the limiting portion of the first housing.
The length, thickness, and specific shape of the first holding portion 20 in the axial direction of the secondary lock 101 may be sufficient to satisfy the restrictions on the first connector 77. In this embodiment, the first holding portion 20 has a substantially wedge-shaped plate shape. In order to improve the utilization rate to meet the limit requirement of the upper and lower rows of the first connectors 77, the first holding portion 20 has a first upper holding surface 21 and a first lower holding surface 22 perpendicularly intersecting the thickness direction of the first holding portion 20. The first upper holding surface 21 and the first lower holding surface 22 are respectively used for directly or indirectly abutting against the first connecting piece 77. The first upper holding surface 21 is disposed opposite the first lower holding surface 22 and is mirror-symmetrical. In order to gradually increase the abutment force of the first holding portion 20 against the first connector 77 during the assembly of the secondary lock 101 with the first housing 60 and the first connector 77, both the first upper holding surface 21 and the first lower holding surface 22 are inclined surfaces extending in the extending direction of the first holding portion 20, so as to facilitate the determination of the completion of the assembly. The inclined surface of the first upper holding surface 21 is arranged symmetrically to the inclined surface of the first lower holding surface 22.
With continued reference to fig. 2 and 3, the second holding portion 30 is disposed on the body 10 and extends in a direction opposite to the axial direction of the secondary lock 101, i.e., the second holding portion 30 is disposed to extend in a direction opposite to the first holding portion 20. In this embodiment, in order to fully utilize the space, the second holding portion 30 extends along the reverse extension line of the first holding portion 20, that is, the second holding portion 30 is disposed on both side walls of the body 10 opposite to the first holding portion 20.
The second holding portion 30 has substantially the same function and structure as the first holding portion 20. The second holding portion 30 is used for limiting the second connecting member 99 in the thickness direction of the second holding portion 30, i.e. directly or indirectly preventing the second connecting member 99 from freely moving in the thickness direction of the second holding portion 30. In the present embodiment, the second holding portion 30 indirectly restricts the movement of the second connector 99 by restricting the movement of a second stopper portion 85 of the second housing 80 described below. In order to achieve a better limiting effect, the second holding portion 30 abuts against the second connecting piece 99 through the limiting portion of the second housing.
Referring to fig. 4 and 5, the extending length, thickness and specific shape of the second holding portion 30 along the axial direction of the secondary lock 101 may be sufficient to satisfy the limitation of the second connector 99. In this embodiment, the second holding portion 30 has a substantially wedge-shaped plate shape. In order to improve the utilization rate and meet the limit requirement of the upper and lower rows of the second connectors 99, the second holding portion 30 has a second upper holding surface 31 and a second lower holding surface 32 perpendicularly intersecting the thickness direction of the second holding portion 30. The second upper holding surface 31 and the second lower holding surface 32 are respectively used for directly or indirectly abutting against the second connecting piece 99. The second upper holding surface 31 is arranged opposite to the second lower holding surface 32 and is mirror-symmetrical. In order to gradually increase the abutment force of the second holding portion 30 against the second connector 99 during the assembly of the secondary lock 101 with the second housing 80 and the second connector 99 described below, it is also convenient to determine whether the assembly is completed, and the second upper holding surface 31 and the second lower holding surface 32 are inclined surfaces extending in the extending direction of the second holding portion 30. The inclined surface of the second upper holding surface 31 is disposed symmetrically to the inclined surface of the second lower holding surface 32.
In order to facilitate assembly and engagement with the first housing 60 or the second housing 80 described below, the secondary lock 101 further includes a mounting portion 40. In this embodiment, the mounting portion 40 is disposed on the body 10 and extends in the same direction as the first holding portion 20 to be assembled with the first housing 60. Of course, the mounting portion 40 may also be disposed to extend in the same direction as the second holding portion 30 for assembling and matching with the second housing, depending on the assembly requirement. In order to facilitate stable assembly and to enhance sealing waterproof performance, in this embodiment, the mounting portion 40 is tubular surrounding the first holding portion 20. The mounting portion 40 has a tubular shape of a substantially rectangular tube having inner and outer chamfers. The mounting portion 40 has an extension length greater than that of the first holding portion 20. In order to accommodate the primary locking portion 51 and the secondary locking portion 52, which will be described later, the inner side wall of the mounting portion 40 is provided with a mounting groove 42. The mounting groove 42 penetrates to the free end of the mounting portion 40 in the extending direction of the first holding portion 20.
With continued reference to fig. 1, 2, 3 and 5, to facilitate preassembly of the secondary lock 101 with the first housing 60 or the second housing 80 for transportation, the secondary lock 101 includes a primary locking portion 51. The primary lock portion 51 is provided on the mounting portion 40. The primary latch 51 is adapted to be pre-latched with the first housing 60 or the second housing 80. The primary locking portion 51 includes a pre-lock guide surface 511 and a pre-lock stopper surface 512. The pre-lock guide surface 511 is provided obliquely in the extending direction of the first holding portion 20 to guide a lock engagement portion of the first housing described below to slide into pre-lock engagement with the pre-lock stopper surface 512. The pre-lock stop surface 512 is disposed obliquely or perpendicular to the mounting portion 40 so as to be pre-lock-engageable with the first housing 60 or the second housing 80. The angle between the pre-lock stop surface 512 and the mounting portion 40 is selected based on the effect of the stop. In the present embodiment, the primary locking portion 51 has a substantially trapezoidal boss shape. In the cross section of the trapezoid boss, the included angle between the pre-locking guide surface 511 and the mounting portion 40 is smaller than the included angle between the pre-locking stop surface 512 and the mounting portion 40, so that the pre-locking can be performed in a labor-saving manner and the pre-locking can be easily withdrawn.
With continued reference to fig. 1, 2, 3 and 5, the secondary lock 101 further includes a secondary locking portion 52 for achieving a stable final lock assembly. The secondary lock portion 52 is provided on the mounting portion 40 with a space from the primary lock portion 51 in the axial direction of the secondary lock 101. The secondary locking portion 52 is configured to be in final locking engagement with the first housing or the second housing, i.e., to complete final assembly. The secondary lock portion 52 includes a final lock guide surface 521 and a final lock stop surface 522. The finish lock guide surface 521 is provided obliquely in the extending direction of the first holding portion 20 to guide the lock engagement portion of the first housing described below to slide into a pre-lock engagement with the finish lock stop surface 522. The final lock stop surface 522 is disposed obliquely or perpendicular to the mounting portion 40, so as to be capable of being pre-locked and matched with the first shell or the second shell. The angle between the final lock stop surface 522 and the mounting portion 40 is selected based on the effect of the stop. In the present embodiment, the secondary locking portion 52 has a substantially trapezoidal boss shape. The angle between the end lock guide surface 521 and the mounting portion 40 is smaller than the angle between the end lock stop surface 522 and the mounting portion 40 in the cross section of the trapezoidal boss, so that the end lock can be realized in a labor-saving manner and the labor-saving manner can be used for withdrawing.
In order to realize the preliminary lock with effort and the final lock with effort to avoid erroneous operation, in the present embodiment, the primary locking portion 51 has the same height as the secondary locking portion 52 protruding from the mounting portion 40, and the inclined angle of the preliminary lock guide surface 511 with respect to the mounting portion 40 is smaller than the inclined angle of the final lock guide surface 521 with respect to the mounting portion 40. The pre-lock guide surface 511 extends longer than the final lock guide surface 521.
In order to save space and make the gap between the first housing 60 or the second housing 80 and the mounting portion 40 as small as possible, in the present embodiment, the primary locking portion 51 and the secondary locking portion 52 are both disposed in the mounting groove 42.
In order to facilitate the realization of the difference in thrust between the preliminary lock and the final lock to distinguish the preliminary lock assembly and the final lock assembly operations, the primary locking portion 51 and the secondary locking portion 52 are disposed offset in the extending direction along the first holding portion 20 or the second holding portion 30. In the present embodiment, the primary locking portion 51 and the secondary locking portion 52 are completely displaced, that is, spaced apart in directions perpendicular to the axial direction and the thickness direction of the first holding portion 20, respectively.
In order to improve the stable connection performance between the secondary lock 101 and the first housing 60, in this embodiment, one of the primary locking portions 51 and one of the secondary locking portions 52 are combined. Four sets of the primary locking portions 51 and the secondary locking portions 52 are rectangular and distributed on the upper and lower inner side walls of the mounting portion 40.
In order to improve mechanical strength and convenience of assembly, the secondary lock 101 is an injection-molded integral piece.
Embodiment two:
please refer to fig. 6 and 7, which illustrate a connecting assembly 102 according to the present invention. The connection assembly 102 includes the first housing 60 and the secondary lock 101 as described in example one. The secondary lock 101 is disposed on the first housing 60, that is, the secondary lock 101 and the first housing 60 are disposed in abutment along respective axial directions.
Referring to fig. 8 to 10, the first housing 60 has a first cavity 62 formed along an axial direction. The first accommodating cavity 62 is configured to accommodate a first connecting member 77 described below. The specific shape and size of the first cavity 62 are selected according to the number and shape of the first connectors 77 that are required to be provided. In order to facilitate the installation of the first connecting member 77 and the interconnection of the first connecting member 77 and the second connecting member 99, the first cavity 62 is formed through along the axial direction of the first housing 60.
The first housing 60 has a lock engagement portion 64. The lock engagement portion 64 may be engaged with the primary lock portion 51 and the secondary lock portion 52. In this embodiment, the locking engagement portion 64 is in a snap-fit shape to be engaged with the primary locking portion 51 and the secondary locking portion 52.
In this embodiment, in order to facilitate the overall transportation of the secondary lock 101 and the first housing 60 and also to save the user assembly time, the secondary lock 101 is pre-assembled with the first housing 60 and then used to complete the final assembly at the instant application. The primary locking portion 51 is pre-locked with the locking engagement portion 64, thereby completing the pre-assembly of the secondary lock 101 with the first housing 60. The secondary lock portion 52 is finally lock-fitted with the lock fitting portion 64, thereby completing the final assembly of the secondary lock 101 with the first housing 60.
The first housing 60 has a first stopper 65. The first limiting portion 65 is accommodated in the first accommodating cavity 62. The first limiting portion 65 at least partially overlaps the first connecting member 77 in the axial direction of the secondary lock 101, and the first limiting portion 65 is disposed between the first connecting member 77 and the first holding portion 20, which will be described later, so as to directly limit the free movement of the first connecting member 77. In order to achieve the preferred limiting performance, in the present embodiment, the first holding portion 20 abuts against the first limiting portion 65, and the first limiting portion 65 abuts against the first connecting member 77. The first stopper 65 and the first connector 77 at least partially overlap in the axial direction of the secondary lock 101, so that the first connector 77 can be prevented from freely moving in the thickness direction of the first holding portion 20. In order to improve the limiting and blocking performance of the first connector 77, the first limiting portion 65 has a first limiting step 652. The first limiting step 652 and the first connecting step 772 of the first connecting member 77 are in blocking fit with each other along the axial direction of the secondary lock 101, that is, the first limiting step 652 and the first connecting step 772 are rotationally symmetrically arranged.
In order to facilitate the connection and the engagement with a first housing 80 described below, the first housing 60 is provided with a snap-fit portion 67. The specific shape and structure of the engagement portion 67 may be such that it engages with the catch 82 of the first housing 80 described below. In this embodiment, the snap-fit portion 67 is a U-shaped blocking rod protruding from the surface of the first housing 60.
Embodiment III:
please refer to fig. 11 to 14, which illustrate a connector 103 according to the present invention. The connector 103 includes a first connector 77 and the connecting assembly 102 as described in example two.
Referring to fig. 15, the first connecting member 77 is accommodated in the first accommodating cavity 62 of the first housing 60. The first connector 77 is used to make electrical connection. The specific shape and structure of the first connecting member 77 are selected according to the connection requirements. In this embodiment, the first connecting member 77 is substantially in a long rod shape. The number of first connectors 77 is selected according to the connection requirements. Each of the connecting through holes 12 on the body 10 may be correspondingly penetrated by one of the first connecting members 77, or each of the connecting through holes 12 may be penetrated by a second connecting member 99 to be described below to be interconnected with one of the first connecting members 77.
As described above, the first connector 77, the first stopper 65, and the first holding portion 20 are disposed in this order, i.e., vertically as viewed in the drawing, in the thickness direction of the first holding portion 20, so that the free movement of the first connector 77 is restricted. In order to block the first limiting step 652 of the first limiting portion 65 to enhance the limiting performance, the first connecting member 77 has a first connecting step 772. The first connection step 772 is in blocking engagement with the first limit step 652 in the axial direction of the secondary lock 101.
In order to fully utilize the space and improve the utilization efficiency of the first holding portion 20, in this embodiment, the upper and lower sides of the first holding portion 20 are provided with first limiting portions 65. The first connector 77 disposed in the upper row is in contact with the first stopper 65 disposed in the upper row, and the first stopper 65 disposed in the upper row is in contact with the first upper holding surface 21 of the first holding portion 20. Accordingly, the first connector 77 disposed in the lower row abuts against the first stopper 65 disposed in the lower row, and the first stopper 65 disposed in the lower row abuts against the first lower holding surface 22 of the first holding portion 20.
Embodiment four:
please refer to fig. 16 to 20, which illustrate a connector assembly 104 according to the present invention. The connector assembly 104 includes a counter connector 203 and the connector 103 as described in example three. The mating connector 203 is in connection with the connector 103.
The mating connector 203 includes a second housing 80. The second housing 80 is coupled to the first housing 60 in a mating manner. In this embodiment, in order to facilitate the disassembly and the stable connection, the second housing 80 is provided with a buckle 82. The buckle 82 is clamped on the clamping matching part 67 of the first shell 60. Of course, as another embodiment, a snap-fit portion (not shown) may be provided on the second housing 80, a mating snap-fit (not shown) may be provided on the first housing 60, and the second housing 80 may be connected to the first housing 60 by snap-fit with the snap-fit portion.
The second housing 80 and the first housing 60 adopt substantially the same structure and utilize substantially the same principle to realize a limit fit with the corresponding secondary lock 101. Specifically, the second housing 80 has a second cavity 84 that is opened in an axial direction. The second accommodating cavity 84 is configured to accommodate a second connecting member 99 described below. The specific shape and size of the second cavity 84 are selected according to the number and shape of the second connectors 99 that are required. In order to facilitate the installation of the second connecting member 99 and the interconnection of the second connecting member 99 and the second connecting member 99, the second cavity 84 is formed through along the axial direction of the second housing 80.
The second housing 80 has a second stopper 85. The second limiting portion 85 is accommodated in the second accommodating cavity 84. The second limiting portion 85 and the second connecting member 99 at least partially overlap in the axial direction of the secondary lock 101, and the second limiting portion 85 is disposed between the second connecting member 99 and the second holding portion 30, which will be described below, so as to directly limit the free movement of the second connecting member 99. In order to achieve a better limiting performance, in the present embodiment, the second holding portion 30 abuts against the second limiting portion 85, and the second limiting portion 85 abuts against the second connecting member 99. The second stopper 85 and the second connector 99 at least partially overlap in the axial direction of the secondary lock 101, so that the second connector 99 can be prevented from freely moving in the thickness direction of the second holding portion 30. In order to enhance the restraining and blocking performance of the second connecting member 99, the second limiting portion 85 has a second limiting step portion 852. The second limiting step 852 and the second connecting step 992 of the second connecting member 99 are mutually blocked and matched along the axial direction of the secondary lock 101, that is, the second limiting step 852 and the second connecting step 992 are rotationally symmetrically arranged.
Referring to fig. 21, the mating connector 203 further includes a second connecting member 99. The second connecting member 99 is accommodated in the second accommodating cavity 84, and the second connecting member 99 is electrically connected with the first connecting member 77. The second connection member 99 and the first connection member 77 may be electrically connected by a plug-and-socket connection.
The second connecting piece 99 and the first connecting piece 77 adopt substantially the same structure and utilize substantially the same principle to realize the limit fit with the corresponding secondary lock 101. Specifically, the second connector 99, the second limiting portion 85 and the second holding portion 30 are disposed in this order, i.e., vertically as shown in the drawing, in the thickness direction of the second holding portion 30, so that the free movement of the second connector 99 is restricted. The second connecting member 99 has a second connecting step 992 for blocking engagement with the second limiting step 852 of the second limiting portion 85 to enhance the limiting performance. The second connection step 992 is in blocking engagement with the second limit step 852 in the axial direction of the secondary lock 101.
In order to fully utilize the space and improve the utilization efficiency of the second holding portion 30, in the present embodiment, the second limiting portions 85 are disposed on both the upper and lower sides of the second holding portion 30. The second connector 99 disposed in the upper row is in contact with the second stopper 85 disposed in the upper row, and the second stopper 85 disposed in the upper row is in contact with the first upper holding surface 31 of the second holding portion 30. Accordingly, the second connector 99 disposed in the lower row is abutted against the second stopper 85 disposed in the lower row, and the second stopper 85 disposed in the lower row is abutted against the second lower holding surface 32 of the second holding portion 30.
The connector 103 may be a female connector. The mating connector 203 may be a male connector. The first retaining portion 20 may be a female end retaining portion. The second holding portion 30 may be a male holding portion. The first housing 60 may be a female housing. The second housing 80 may be a male housing. That is, the secondary lock 101 may be provided in the first housing 60 or in the second housing 80.
It should be noted that the orientations mentioned in the present invention are relative. For example, "upper" and "lower", "left" and "right" are opposite. And "axial" is perpendicular to "transverse". For example, the "lateral" direction in which the first holding portion 20 directly or indirectly abuts on the first connecting member 77 in the lateral direction of the secondary lock 101 refers to the up-down direction of the first holding portion 20, that is, the thickness direction of the first holding portion 20. "directly or indirectly abutting" means directly or indirectly applying a force. For example, "indirectly abutting" means that the first holding portion 20 abuts on the first connecting member 77 through the first limiting portion 65. "directly abutting" means that the first holding portion 20 abuts on the first connecting member 77 in direct contact.
The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.
Claims (34)
1. A secondary lock, the secondary lock comprising:
a body;
a first holding portion provided on the body and extending in an axial direction of the secondary lock, the first holding portion having a first upper holding surface and a first lower holding surface that perpendicularly intersect a thickness direction of the first holding portion, at least one of the first upper holding surface and the first lower holding surface being an inclined surface extending in an extending direction of the first holding portion, and the inclined surface being usable to restrict the first connector in the thickness direction of the first holding portion;
a second holding portion provided on the body and extending in a reverse direction of an axial direction of the secondary lock, the second holding portion having a second upper holding surface and a second lower holding surface that perpendicularly intersect a thickness direction of the second holding portion, at least one of the second upper holding surface and the second lower holding surface being an inclined surface extending in an extending direction of the second holding portion, and the inclined surface being usable to restrict a second connection member in the thickness direction of the second holding portion;
Wherein the secondary lock is configured to be assembled with the first housing and the second housing.
2. The secondary lock of claim 1, wherein:
the first holding part is arranged along the first holding part the thickness direction is directly or indirectly abutted on the first connecting piece; and/or
The second holding portion is provided so as to be directly or indirectly abutted against the second connecting member in the thickness direction of the second holding portion.
3. The secondary lock of claim 1, wherein:
at least one of the first upper retaining surface and the first lower retaining surface may be configured to directly or indirectly abut against the first connector; and/or
At least one of the second upper retaining surface and the second lower retaining surface may be adapted to directly or indirectly abut against the second connector.
4. The secondary lock of claim 1, wherein:
the body is provided with a connecting through hole along the axial direction of the secondary lock in a penetrating way;
the connecting through hole is used for penetrating the second connecting piece or the first connecting piece.
5. The secondary lock of claim 1, wherein:
the secondary lock further comprises a mounting part;
the mounting part is arranged on the body and extends in the same direction with the first holding part so as to be assembled and matched with the first shell; or (b)
The mounting part and the second holding part extend in the same direction so as to be assembled and matched with the second shell.
6. The secondary lock of claim 5, wherein:
the mounting portion is tubular surrounding the first or second holding portion.
7. The secondary lock of claim 5, wherein:
the secondary lock further comprises a primary locking part;
the primary locking part is arranged on the mounting part;
the primary latch may be adapted for pre-latch engagement with the first housing or the second housing.
8. The secondary lock of claim 7, wherein:
the secondary lock further comprises a secondary locking part;
the secondary locking part is arranged on the mounting part and is arranged with the primary locking part along the axial direction of the secondary lock at intervals;
the secondary locking part is used for being in final locking fit with the first shell or the second shell.
9. The secondary lock of claim 8, wherein:
the primary locking part comprises a pre-locking guide surface and a pre-locking stop surface;
the pre-lock guide surface is obliquely arranged along the extending direction of the first retaining portion or the second retaining portion;
the pre-locking stop surface is inclined or perpendicular to the mounting part and can be in pre-locking fit with the first shell or the second shell; and/or
The secondary locking part comprises a final locking guide surface and a final locking stop surface;
the final lock guide surface is obliquely arranged along the extending direction of the first retaining part or the second retaining part and can guide the first shell or the second shell to move from the pre-lock stop surface to the final lock stop surface;
the end lock stop surface is inclined or perpendicular to the mounting portion to be end-lock engageable with the first housing or the second housing.
10. The secondary lock of claim 9, wherein:
the primary locking part is provided with a height which is the same as that of the secondary locking part and protrudes out of the mounting part;
the angle of inclination of the pre-lock guide surface relative to the mounting portion is smaller than the angle of inclination of the final-lock guide surface relative to the mounting portion.
11. The secondary lock of claim 8, wherein:
the inner side wall of the mounting part is provided with a mounting groove;
the mounting groove penetrates to the free end of the mounting part along the extending direction of the first retaining part or the second retaining part;
the primary locking part and/or the secondary locking part are/is arranged in the mounting groove.
12. The secondary lock of claim 8, wherein:
the primary locking part and the secondary locking part are arranged in a staggered manner along the extending direction of the first retaining part or the second retaining part.
13. The secondary lock of any one of claims 1 to 12, wherein:
the secondary lock is an injection molding integrated piece.
14. A connection assembly, the connection assembly comprising: a first housing and a secondary lock as claimed in any one of claims 1 to 4,6 and 9 to 13;
the secondary lock is disposed on the first housing.
15. The connection assembly of claim 14, wherein:
the secondary lock further comprises a mounting part;
the mounting part is arranged on the body and extends in the same direction with the first holding part so as to be assembled and matched with the first connecting piece; or (b)
The mounting part and the second holding part extend in the same direction so as to be assembled and matched with the second connecting piece.
16. The connection assembly of claim 15, wherein:
the first shell is provided with a locking matching part;
the secondary lock further comprises a primary locking part;
the primary locking part is arranged on the mounting part;
the primary locking portion may be in locking engagement with the locking engagement portion to preassemble the first housing with the secondary lock.
17. The connection assembly of claim 16, wherein:
The secondary lock further comprises a secondary locking part;
the secondary locking part is arranged on the mounting part and is arranged at intervals with the primary locking part along the axial direction of the secondary lock;
the secondary locking part can be in locking fit with the locking fit part so as to complete assembly of the first shell and the secondary lock.
18. The connection assembly according to any one of claims 14 to 17, wherein:
the first shell is provided with a first containing cavity which is axially formed, and the first containing cavity is used for containing the first connecting piece.
19. A connector, the connector comprising:
a first connector and a connection assembly according to any one of claims 14 to 17;
the first shell is provided with a first accommodating cavity which is axially formed;
the first connecting piece is accommodated in the first accommodating cavity;
the first retaining portion directly or indirectly abuts against the first connecting piece along the transverse direction of the secondary lock so as to limit the movement of the first connecting piece.
20. The connector of claim 19, wherein:
the first shell is provided with a first limiting part in the first accommodating cavity;
the first limiting part is arranged between the first holding part and the first connecting piece and is abutted to the first connecting piece.
21. The connector of claim 19, wherein:
the first shell is provided with a plurality of first limiting parts in the first containing cavity, and the plurality of first limiting parts are respectively arranged on the upper side and the lower side of the first holding part and are abutted against the first connecting piece; the first retaining part is inserted between the first limiting parts at the upper side and the lower side and is respectively abutted with the first limiting parts at the upper side and the lower side.
22. The connector of claim 21, wherein:
the first holding part has a thickness equal to that of the first holding part a first upper holding surface and a first lower holding surface which are vertically intersected in the direction;
the first upper holding surface and upper holding surface the first limiting parts at the sides are abutted;
the first lower holding surface and lower the first limiting parts at the sides are abutted.
23. The connector of claim 22, wherein:
at least one of the first upper holding surface and the first lower holding surface is an inclined surface extending in the extending direction of the first holding portion.
24. The connector according to any one of claims 20 to 23, wherein:
the first connecting piece is provided with a first connecting step part;
The first limiting part is provided with a first limiting step part;
the first connecting step part is in blocking fit with the first limiting step part.
25. A connector assembly, the connector assembly comprising:
mating connector
The connector of any one of claims 19 to 23;
the counter connector is connected and matched with the connector.
26. The connector assembly of claim 25, wherein:
the mating connector includes a second housing;
the second shell is in butt-fit connection with the first shell.
27. The connector assembly of claim 26, wherein:
the second shell is provided with a buckle; the first shell is provided with a clamping matching part; or (b)
The second shell is provided with a clamping matching part; the first shell is provided with a buckle;
the buckle is matched with the clamping matching part in a clamping way.
28. The connector assembly of claim 26, wherein:
the second shell is provided with a second containing cavity along the axial direction;
the counter connector further comprises a second connecting piece;
the second connecting piece is accommodated in the second accommodating cavity and extends to be connected with the first connecting piece.
29. The connector assembly of claim 28, wherein:
the second retaining portion directly or indirectly abuts on the second connecting piece along the transverse direction of the secondary lock so as to limit the movement of the second connecting piece.
30. The connector assembly of claim 29, wherein:
the second shell is provided with a second limiting part in the second containing cavity;
the second limiting part is arranged between the second holding part and the second connecting piece and is abutted to the second connecting piece.
31. The connector assembly of claim 30, wherein:
the second shell is provided with a plurality of second limiting parts in the second containing cavity, and the second limiting parts are respectively arranged on the upper side and the lower side of the second holding part and are abutted against the second connecting piece; the second retaining part is inserted between the second limiting parts at the upper side and the lower side and is respectively abutted with the second limiting parts at the upper side and the lower side.
32. The connector assembly of claim 31, wherein:
the second holding portion has a second upper holding surface and a second lower holding surface which perpendicularly intersect the thickness direction of the second holding portion;
The second upper holding surface is abutted with the second limiting part at the upper side;
the second lower holding surface is abutted with the second limiting part at the lower side.
33. The connector assembly of claim 32, wherein:
at least one of the second upper holding surface and the second lower holding surface is an inclined surface extending in the extending direction of the second holding portion.
34. The connector assembly according to any one of claims 30 to 33, wherein:
the second connecting piece is provided with a second connecting step part;
the second limiting part is provided with a second limiting step part;
the second connecting step part is in blocking fit with the second limiting step part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375539.4A CN107453131B (en) | 2016-05-31 | 2016-05-31 | A secondary lock a connecting component connector and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375539.4A CN107453131B (en) | 2016-05-31 | 2016-05-31 | A secondary lock a connecting component connector and connector assembly |
Publications (2)
| Publication Number | Publication Date |
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| CN107453131A CN107453131A (en) | 2017-12-08 |
| CN107453131B true CN107453131B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375539.4A Active CN107453131B (en) | 2016-05-31 | 2016-05-31 | A secondary lock a connecting component connector and connector assembly |
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| CN (1) | CN107453131B (en) |
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Also Published As
| Publication number | Publication date |
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| CN107453131A (en) | 2017-12-08 |
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