CN118554222B - Automatic lock connector with wire arrangement inserted directly - Google Patents
Automatic lock connector with wire arrangement inserted directly Download PDFInfo
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- CN118554222B CN118554222B CN202411010210.9A CN202411010210A CN118554222B CN 118554222 B CN118554222 B CN 118554222B CN 202411010210 A CN202411010210 A CN 202411010210A CN 118554222 B CN118554222 B CN 118554222B
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- flat cable
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- arm
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- 230000000670 limiting effect Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 230000002159 abnormal effect Effects 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
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- 238000007747 plating Methods 0.000 description 1
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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
- H01R13/62—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
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/771—Details
- H01R12/774—Retainers
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/508—Bases; Cases composed of different pieces assembled by a separate clip or spring
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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
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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
- H01R13/64—Means for preventing incorrect coupling
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to the technical field of connectors, and discloses an automatic lock connector for directly inserting a flat cable, which comprises a first connecting piece and a second connecting piece which are connected in a plugging manner, wherein the first connecting piece comprises a first shell and a terminal assembly, the first shell comprises a first end part, a second end part, an inserting cavity and a mounting seat, and the first end part is provided with a boss; the second connecting piece comprises a second shell and a dividing wall arranged in the second shell, and a flat cable for electrically connecting with the terminal assembly is arranged in the second shell; the two sides of the partition wall are provided with locking pieces, each locking piece comprises a first elastic arm and a second elastic arm, each first elastic arm and each second elastic arm are respectively provided with a limiting block, and a locking groove is formed between each first elastic arm and each second elastic arm; the flat cable is provided with a clamping groove, and the limiting block is connected in the clamping groove in a clamping way; the boss inserts in the locking groove, and the boss butt in first bullet arm and second bullet arm respectively. The invention has the following technical effects: the automatic locking of the flat cable is realized, the installation is convenient and fast, the structure is simple and reliable, and the cost is low.
Description
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to an automatic lock connector with a straight-inserted flat cable.
Background
The wire-to-board connector has the characteristics of good flexibility, high connection flexibility, good transmission performance, convenient installation and the like, and is widely applied to industries such as industrial automation, power systems, office equipment and the like, and particularly to battery management systems. The conventional wire-to-board connector generally adopts the wire-to-board connector to be in press connection with the terminals and realize signal or current transmission through the electrical connection between the terminals, and along with the development of technology, the FFC/FPC wire is usually directly inserted into the male housing, and the male housing and the female housing are in insert fit, so that the FFC/FPC wire is in electrical connection with the terminals in the female housing to realize signal or current transmission, thereby simplifying the structure and facilitating the installation.
In the prior art, for installing and locking the flat cable on the male seat shell, the flat cable is usually fixed by matching the flat cable with an elastic clamping hook on the male seat shell, and because the elastic clamping hook has elasticity, abnormal bouncing easily occurs in a vibration environment to cause the release of the flat cable, an FPA or other components are usually required to be arranged to further lock the flat cable. Although the connection mode can realize the locking of the flat cable, the structure is complex, the number of required parts is large, the installation process is complex, and the automatic installation by a user is not facilitated.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the automatic lock connector for the direct insertion of the flat cable, which limits the bouncing of the first bouncing arm and the second bouncing arm through the matching of the boss and the locking groove, realizes the secondary locking of the first flat cable and the second flat cable, improves the connection stability, omits the setting of other locking components such as FPA and the like, has simple structure, low cost and convenient and reliable installation.
The technical effects to be achieved by the invention are realized by the following technical aspects:
The invention provides an automatic lock connector for directly inserting a flat cable, which comprises the following components:
The first connecting piece comprises a first shell and a terminal assembly arranged in the first shell, the first shell comprises a first end part, a second end part, a plug cavity and a mounting seat, the plug cavity is formed by the first end part facing the second end part, the mounting seat is arranged in the plug cavity, the terminal assembly is arranged on the mounting seat, and the first end part is provided with a boss; and
The second connecting piece comprises a second shell and a separation wall arranged in the second shell, the second shell comprises a first plate body and a second plate body which are respectively arranged at the upper side and the lower side, mounting grooves are respectively formed between the separation wall and the first plate body and between the separation wall and the second plate body, and the mounting grooves are spliced with flat cables for being electrically connected with the terminal assemblies; the partition wall is provided with locking pieces at two sides, the locking pieces comprise a first elastic arm and a second elastic arm, the first elastic arm and the second elastic arm are respectively provided with a limiting block protruding towards the mounting groove, and a locking groove is arranged between the first elastic arm and the second elastic arm;
the flat cable is provided with a clamping groove, and the limiting block is connected in the clamping groove in a clamping mode; the second connecting piece is connected with the first connecting piece in an inserting mode, the boss is inserted into the locking groove, and the boss is respectively abutted to the first elastic arm and the second elastic arm.
In some embodiments, the second housing comprises a plug portion and a mounting portion, the plug portion being provided with a plug slot that is mutually communicated with the mounting slot; the installation department is equipped with the linking arm, the linking arm symmetry set up in the mounting groove outside, first bullet arm with the second bullet arm is located in the linking arm.
In some embodiments, the mounting portion is provided with a third end portion, the plug portion is connected in the plug cavity in a plug-in mode, and the third end portion abuts against the first end portion.
In some embodiments, the first end is further provided with a groove formed by recessing the first end toward the second end, the groove being located on upper and lower sides of the boss; the first elastic arm and the second elastic arm protrude out of the third end part and are inserted into the groove.
In some embodiments, the stopper is provided with a guide slope along an insertion direction of the flat cable.
In some embodiments, the ends of the first spring arm and the second spring arm are both provided with a pressing block, and the pressing block is located at the third end and has a gap with the connecting arm.
In some embodiments, an unlocking position is arranged on the third end portion, the unlocking position is used for being clamped into an unlocking jig, the unlocking jig is provided with a claw, after the claw is clamped into the unlocking position, the unlocking jig rotates in a direction away from the first plate body, and then the second connecting piece is separated from the first connecting piece.
In some embodiments, the mount includes a first mounting surface and a second mounting surface disposed opposite one another; the terminal assembly includes a first terminal and a second terminal disposed on the first mounting surface and the second mounting surface, respectively.
In some embodiments, the first terminal and the second terminal are both provided with two contact arms, the tail ends of the contact arms are provided with chamfer-shaped contact parts, the contact parts comprise a frustum, an extension end and a contact end, the extension end is thickened, the thickness of the extension end is 1/2-2/3 of that of the frustum, and the contact end is a smooth cambered surface.
In some embodiments, the second connector is further provided with a first operation station and a second operation station on the mounting portion, the first operation station is used for pulling the second shell to be separated from the first shell, and the second operation station is used for pushing the second shell to be inserted into the first shell.
In summary, the present invention has at least the following advantages:
1. According to the automatic lock connector with the direct-insertion flat cable, the boss is matched with the locking groove in a clamping mode, so that the elastic movement of the first elastic arm and the second elastic arm is limited, the first flat cable and the second flat cable are prevented from loosening due to abnormal elastic movement of the first elastic arm and the second elastic arm in the using process of the connector, secondary locking of the first flat cable and the second flat cable is achieved, the connection stability of the connector is improved, setting of other locking components such as FPA is omitted, the structure is simple, the material cost is low, and the installation mode is convenient, reliable and easy to operate.
2. According to the automatic lock connector with the direct-insertion flat cable, provided by the invention, under the matching effect of the boss and the locking groove, the first shell and the second shell are further limited, the connection relation between the first shell and the second shell is consolidated, and the overall connection stability of the connector is further improved.
Drawings
FIG. 1 is an exploded view of an inline automatic lock connector of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a first housing according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a second connector according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of a first connector and a second connector according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a second housing according to embodiment 1 of the present invention;
FIG. 6 is a schematic diagram of a groove structure in embodiment 1 of the present invention;
FIG. 7 is a schematic view showing the structure of the guide slope and the pressing block according to embodiment 1 of the present invention;
fig. 8 is a schematic structural diagram of an unlocking position and an unlocking jig according to embodiment 1 of the present invention;
Fig. 9 is a schematic structural view of a first terminal, a second terminal and a mounting base according to embodiment 2 of the present invention;
Fig. 10 is a schematic view of the structure of the contact arm and the contact portion according to embodiment 2 of the present invention;
Fig. 11 is a sectional view of a contact portion of embodiment 2 of the present invention;
FIG. 12 is a schematic view showing the structure of a first operation station and a second operation station according to embodiment 3 of the present invention;
fig. 13 is a schematic structural view of a first fool-proof protrusion, a first fool-proof groove, a second fool-proof protrusion and a second fool-proof groove in embodiment 3 of the present invention.
The marks in the figure:
1. A first connector; 11. a first housing; 111. a first end; 112. a second end; 113. a plug cavity; 114. a mounting base; 1141. a first mounting surface; 1142. a second mounting surface; 115. a boss; 116. a groove; 12. a terminal assembly; 121. a first terminal; 122. a second terminal; 123. a contact arm; 124. a contact portion; 1241. a frustum; 1242. an extension end; 1243. a contact end;
2. A second connector; 21. a second housing; 211. a first plate body; 212. a second plate body; 213. a plug-in part; 214. a mounting part; 215. a plug-in groove; 216. a connecting arm; 217. a third end; 218. unlocking the position; 219. a first operating station; 210. a second operating station; 22. a dividing wall; 23. a mounting groove; 24. a locking member; 241. a first spring arm; 242. a second spring arm; 243. a limiting block; 244. a locking groove; 245. a guide slope; 246. pressing the blocks; 25. a first fool-proof groove; 26. a second fool-proof groove;
3. A flat cable; 31. a clamping groove; 32. a first flat cable; 33. a second flat cable; 34. a first fool-proof protruding portion; 35. a second fool-proof convex part;
4. Unlocking the jig; 41. a claw;
d1, the width of the extension end; d2, the width of the frustum; h1, thickness of the extension end; and h2, thickness of the frustum.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 8, the automatic lock connector for direct insertion of flat cable provided in this embodiment includes a first connector and a second connector that are connected by plugging, the first connector 1 includes a first housing 11 and a terminal assembly 12 disposed inside the first housing 11, the first housing 11 includes a first end 111, a second end 112, an insertion cavity 113 and a mounting seat 114, the insertion cavity 113 is formed by the first end 111 facing the second end 112, the mounting seat 114 is disposed in the insertion cavity 113, the terminal assembly 12 is disposed on the mounting seat 114, and the first end 111 is provided with a boss 115 protruding toward the second connector 2.
The second connecting member 2 includes a second housing 21 and a partition wall 22 disposed inside the second housing 21, the second housing 21 includes a first plate 211 and a second plate 212 disposed on the upper and lower sides, the partition wall 22 is disposed between the first plate 211 and the second plate 212, a mounting groove 23 is formed between the partition wall 22 and the first plate 211 and the second plate 212, and the mounting groove 23 is inserted with a flat cable 3 for electrically connecting with the terminal assembly 12.
The left and right sides of dividing wall 22 all is equipped with locking piece 24, and locking piece 24 includes first bullet arm 241 and second bullet arm 242, and first bullet arm 241 is located directly over the second bullet arm 242, and first bullet arm 241 and second bullet arm 242 are equipped with the stopper 243 that protruding to mounting groove 23 respectively, and the both sides of winding displacement 3 all are equipped with draw-in groove 31. When the flat cable 3 is inserted into the mounting groove 23, the limiting block 243 is firstly pressed by the body part of the flat cable 3, and when the clamping groove 31 reaches the position of the limiting block 243, the limiting block 243 is rebounded due to no pressing force, and is clamped and connected in the clamping groove 31, so that the automatic position locking of the flat cable 3 is realized.
It should be noted that, the upper surface of the first elastic arm 241 and the upper surface of the partition wall 22 are located on the same plane, the lower surface of the second elastic arm 242 and the lower surface of the partition wall 22 are located on the same plane, the stopper 243 on the first elastic arm 241 protrudes from the upper surface of the first elastic arm 241, and the stopper 243 on the second elastic arm 242 protrudes from the lower surface of the second elastic arm 242. When the locking groove 31 is locked to the stopper 243, the movement of the flat cable 3 is restricted, and the position of the flat cable 3 is locked.
A locking groove 244 is arranged between the first elastic arm 241 and the second elastic arm 242, when the second connecting piece 2 is connected with the first connecting piece 1 in an inserting way, the boss 115 is inserted into the locking groove 244, and the boss 115 is respectively abutted against the first elastic arm 241 and the second elastic arm 242. It should be noted that, when the boss 115 and the locking groove 244 are inserted in place, the first end 111 just abuts against the edge of the flat cable 3, so that the displacement of the flat cable 3 is further limited, the engagement between the clamping groove 31 and the limiting block 243 is more fastened, further locking of the flat cable 3 is achieved, and the connection stability is strong.
Through the cooperation of boss 115 and locking groove 244, the bullet of first bullet arm 241 and second bullet arm 242 has been restricted, effectively avoid appearing the unusual bullet of first bullet arm 241 and second bullet arm 242 and lead to winding displacement 3's pine in the use of connector, realized the secondary locking to winding displacement 3, improved the connection stability of connector, simultaneously, saved other locking parts's such as FPA setting, simplified the structure of connector, reduce material cost, and the simple convenient reliable of mounting means, easy operation, the user of being convenient for carries out automated installation. In addition, under the clamping cooperation of the boss 115 and the locking groove 244, the first shell 11 and the second shell 21 are further limited, the connection relation between the first shell 11 and the second shell 21 is reinforced, and the overall connection stability of the connector is further improved.
The second housing 21 includes a plug portion 213 and a mounting portion 214, and the plug portion 213 is provided with a plug groove 215 penetrating the mounting groove 23. It will be appreciated that when the flat cable 3 is installed, it first enters the installation slot 23, then enters the insertion slot 215, and finally is inserted into the insertion slot 215, the flat cable 3 is provided with a contact strip for electrically connecting with the terminal assembly 12, and when the flat cable 3 is installed in place, the contact strip is located in the insertion slot 215. When the first housing 11 and the second housing 21 are connected by plugging, the plugging portion 213 is plugged into the plugging cavity 113, the mounting base 114 is plugged into the plugging slot 215, and the terminal assembly 12 is electrically connected with the flat cable 3.
The mounting portion 214 is provided with a connecting arm 216, the connecting arm 216 is symmetrically disposed outside the mounting groove 23, and the first spring arm 241 and the second spring arm 242 are disposed in the connecting arm 216. It can be appreciated that the connecting arms 216 are located at two sides of the mounting portion 214 and are used for connecting the first plate 211 and the second plate 212, a containing space is formed between the first plate 211, the connecting arms 216 and the second plate 212, and the first spring arms 241 and the second spring arms 242 are located in the containing space. The mounting portion 214 has a third end portion 217 near the insertion portion 213, and when the insertion portion 213 is inserted into the insertion cavity 113, the third end portion 217 abuts against the first end portion 111.
As a further optimization, the first end 111 is further provided with a groove 116, the groove 116 is formed by recessing the first end 111 towards the second end 112, the groove 116 is located at the upper side and the lower side of the boss 115, and the first elastic arm 241 and the second elastic arm 242 protrude from the third end 217 and are inserted into the groove 116. In some embodiments, the end of the boss 115 may be flush with the opening of the groove 116, or may protrude from the opening of the groove 116, in this embodiment, the end of the boss 115 is flush with the opening of the groove 116.
When the first housing 11 is inserted into the second housing 21, the boss 115 is inserted into the locking groove 244, the portions of the first spring arm 241 and the second spring arm 242 protruding from the third end 217 are respectively inserted into the grooves 116, the third end 217 abuts against the first end 111, and meanwhile, the third end 217 abuts against the edge of the flat cable 3. Through the cooperation of the boss 115 and the locking groove 244 and the cooperation of the first elastic arm 241 and the second elastic arm 242 and the groove 116, on one hand, the up-down bouncing space of the first elastic arm 241 and the second elastic arm 242 is limited, the first elastic arm 241 and the second elastic arm 242 are clamped firmly, the secondary locking effect of the flat cable 3 is further enhanced, and the connection stability is high; on the other hand, the first shell 11 is more tightly connected with the second shell 21 in a plugging manner, the limiting effect is further improved, the connection reliability between the first shell 11 and the second shell 21 is effectively enhanced, and the overall connection stability of the connector is high.
In some embodiments, the stopper 243 is provided with a guide slope 245 along the insertion direction of the flat cable 3. The guide inclined plane 245 plays a guiding role, can guide the flat cable 3 to insert along the guide inclined plane 245 and finally lock the clamping groove 31 in the limiting block 243, is more beneficial to automatic locking of the flat cable 3, improves the convenience of installation, and meanwhile, the guide inclined plane 245 is also beneficial to increasing the self-locking holding force of the flat cable 3.
The ends of the first spring arm 241 and the second spring arm 242 are provided with a pressing block 246, and the pressing block 246 is located at the third end 217 and has a gap with the connecting arm 216. As one embodiment, the pressing block 246 of the first spring arm 241 is formed by extending and bending upwards from one side of the first spring arm 241 close to the connecting arm 216, the pressing block 246 of the second spring arm 242 is formed by extending and bending downwards from one side of the second spring arm 242 close to the connecting arm 216, and unlocking of the flat cable 3 can be achieved by simultaneously lifting and lowering the pressing blocks 246 of the first spring arm 241 and the second spring arm 242. When the first housing 11 and the second housing 21 are connected by insertion, the pressing block 246 abuts against the first end 111.
In some cases, the connector is located in a narrow space, and the first connecting piece 1 and the second connecting piece 2 cannot be pulled out through a hand operation, so that an unlocking position 218 can be set on the third end portion 217, the unlocking position 218 is used for being clamped into the unlocking jig 4, the unlocking position 218 is located on the first plate 211, and the unlocking position 218 is formed by recessing the third end portion 217 towards a direction away from the first end portion 111. The unlocking jig 4 is provided with a claw 41 for being clamped into the unlocking position 218, and after the claw 41 is clamped into the unlocking position 218, the unlocking jig 4 is pulled in a direction away from the first plate body 211 by taking the first end 111 as a fulcrum, so that the second connecting piece 2 can be separated from the first connecting piece 1. Through setting up unlocking position 218 can satisfy the pull-out and plug operation of connector in narrow space, improved the convenience of connector loading and unloading, and the commonality is strong.
In some embodiments, in order to further secure the connection between the first housing 11 and the second housing 21, an elastic latch may be disposed at the plugging portion 213, a hook member matched with the elastic latch is disposed in the plugging cavity 113, further connection between the first housing 11 and the second housing 21 is achieved through engagement of the elastic latch and the hook member, and a CPA member is disposed for locking the elastic latch, and when the latch is unlocked, the CPA member is removed and the elastic latch is pressed to pull the second housing 21 out of the first housing 11. The unlocking jig 4 may further be provided with a pressing portion for pressing the elastic lock catch, and when the unlocking jig 4 is pulled in a direction away from the first plate body 211, the pressing portion presses the elastic lock catch downward, so that unlocking of the elastic lock catch is achieved.
According to the automatic lock connector with the direct-insertion flat cable, the elastic movement of the first elastic arm and the second elastic arm is limited through the cooperation of the boss and the locking groove, the secondary locking of the first flat cable and the second flat cable is achieved, the structure is simple, the cost is low, the installation is convenient and reliable, meanwhile, the connection relation between the first shell and the second shell is further consolidated, and the integral connection stability of the connector is improved; the grooves are inserted into the first elastic arm and the second elastic arm, so that the first elastic arm and the second elastic arm are further limited, the secondary locking effect of the flat cable is enhanced, and meanwhile, the connection reliability between the first shell and the second shell is further improved; through setting up the unlocking position, realized the plug operation of connector in narrow space, improved the commonality of connector.
Example 2
As a further optimization of embodiment 1, referring to fig. 9 to 11 on the basis of fig. 1 to 8, the mount 114 includes a first mounting surface 1141 and a second mounting surface 1142 disposed opposite to each other, and the terminal assembly 12 includes a first terminal 121 and a second terminal 122, the first terminal 121 and the second terminal 122 being disposed on the first mounting surface 1141 and the second mounting surface 1142, respectively.
The first terminal 121 and the second terminal 122 are provided with two contact arms 123, and the terminal ends of the contact arms 123 are provided with contact portions 124 having a chamfer shape. The structure of the double contact arm and the double contact portion can improve the transmission efficiency and the contact stability of the connector, the contact area between the first terminal 121 and the second terminal 122 and the flat cable 3 is reduced by the chamfer-shaped contact portion 124, the contact pressure is increased, and the contact performance of the connector is effectively improved.
As a further optimization, the contact portion 124 includes a frustum 1241, an extension end 1242 and a contact end 1243, the extension end 1242 is located between the frustum 1241 and the contact end 1243, and the contact area of the contact portion 124 and the flat cable 3 is further reduced by the arrangement of the frustum 1241, the contact pressure is increased, and the contact stability is further improved. The extension end 1242 is thickened, and the extension end 1242 is rectangular in cross section. Since the extension end 1242 is disposed at the contact portion 124 and the extension end 1242 is thickened, the compressive strength of the contact portion 124 is improved, so that the stamping strength of the stamping device can be improved when the contact portion 124 is stamped, which is beneficial to improving the mass production stability of the first terminal 121 and the second terminal 122.
In some embodiments, the thickness h1 of the extension end 1242 is 1/2-2/3 of the thickness h2 of the frustum 1241. On one hand, the extension end 1242 can be ensured to have good compression resistance and reliability, can bear higher stamping strength, and ensures the mass production stability of the terminal; on the other hand, sufficient space is provided for polishing and forming the contact end 1243, which is more beneficial to forming the smooth cambered surface of the contact end 1243.
In other embodiments, the width d1 of the extension end 1242 is 1/3-1/2 of the width d2 of the frustum 1241, which can reduce the contact area between the contact portion 124 and the flat cable 3, thereby further improving the contact stability.
The contact end 1243 is a smooth arc surface along the length direction of the contact portion 124 for contacting with the flat cable 3, and the contact end 1243 has a smooth surface, so that the insertion force of the connector is reduced, and the plating layer of the contact portion 124 is not easy to wear during the plugging process of the connector, so that the plugging durability is improved, and the service life of the connector is prolonged.
According to the automatic lock connector with the direct-insertion flat cable, the transmission efficiency and the contact stability of the connector are improved through the double-contact force arm and the double-contact part structure of the first terminal and the second terminal; by arranging the frustum, the contact area of the contact part is further reduced, and the contact stability is improved; by arranging the extension end, the compressive strength of the contact part is improved, so that the stamping strength is improved, and the mass production stability is facilitated; by setting the contact end to be a smooth cambered surface, the insertion force of the connector is reduced, and the service life of the connector is prolonged.
Example 3
As a further optimization of embodiment 1 or embodiment 2, referring to fig. 12 to 13, on the basis of fig. 1 to 11, the second connector 2 is further provided with a first operation station 219 and a second operation station 210 on the mounting portion 214, the first operation station 219 is located on the second plate 212, the second operation station 210 is located on the connecting arm 216, the first operation station 219 is used for pulling the second housing 21 out of the first housing 11, and the second operation station 210 is used for pushing the second housing 21 into the first housing 11.
In some embodiments, the flat cable 3 includes a first flat cable 32 and a second flat cable 33, where a first fool-proof protrusion 34 is disposed on one side of the first flat cable 32, and a first fool-proof slot 25 matched with the first fool-proof protrusion 34 is disposed on a corresponding position of the plugging slot 215; a second fool-proof convex part 35 is arranged on one side of the second flat cable 33, a second fool-proof groove 26 matched with the second fool-proof convex part 35 is arranged at the corresponding position of the plugging groove 215, and the first fool-proof convex part 34 and the second fool-proof convex part 35 are different in size.
Through setting up first slow-witted convex part 34 and second slow-witted convex part 35, can discern the positive and negative of first winding displacement 32 and second winding displacement 33 when the installation, prevent effectively that first winding displacement 32 and second winding displacement 33 from misplacing or reverse inserting, improve the installation convenience and the accuracy of connector, guarantee the normal use of connector.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
While the invention has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.
Claims (10)
1. An automatic lock connector for a flat cable in-line, comprising:
the first connecting piece (1) comprises a first shell (11) and a terminal assembly (12) arranged in the first shell (11), wherein the first shell (11) comprises a first end part (111), a second end part (112), a plug cavity (113) and a mounting seat (114), the plug cavity (113) is formed by the first end part (111) facing the second end part (112), the mounting seat (114) is arranged in the plug cavity (113), the terminal assembly (12) is arranged on the mounting seat (114), and the first end part (111) is provided with a boss (115); and
The second connecting piece (2) comprises a second shell (21) and a partition wall (22) arranged in the second shell (21), the second shell (21) comprises a first plate body (211) and a second plate body (212) which are respectively arranged at the upper side and the lower side, mounting grooves (23) are respectively formed between the partition wall (22) and the first plate body (211) and between the partition wall and the second plate body (212), and the mounting grooves (23) are spliced with flat cables (3) which are electrically connected with the terminal assemblies (12); the partition wall (22) is provided with locking pieces (24) on two sides, the locking pieces (24) comprise a first elastic arm (241) and a second elastic arm (242), the first elastic arm (241) and the second elastic arm (242) are respectively provided with a limiting block (243) protruding towards the mounting groove (23), and a locking groove (244) is arranged between the first elastic arm (241) and the second elastic arm (242);
Wherein, the flat cable (3) is provided with a clamping groove (31), and the limiting block (243) is connected in the clamping groove (31) in a clamping way; the second connecting piece (2) is connected with the first connecting piece (1) in an inserting mode, the boss (115) is inserted into the locking groove (244), and the boss (115) is respectively abutted to the first elastic arm (241) and the second elastic arm (242).
2. The automatic lock connector of the flat cable straight according to claim 1, characterized in that the second housing (21) comprises a plugging portion (213) and a mounting portion (214), the plugging portion (213) being provided with a plugging slot (215) which is mutually communicated with the mounting slot (23); the mounting part (214) is provided with connecting arms (216), the connecting arms (216) are symmetrically arranged outside the mounting groove (23), and the first elastic arms (241) and the second elastic arms (242) are arranged in the connecting arms (216).
3. The automatic wire-arranging and in-line lock connector according to claim 2, wherein the mounting portion (214) is provided with a third end portion (217), the plug-in portion (213) is plugged into the plug-in cavity (113), and the third end portion (217) abuts against the first end portion (111).
4. The automatic lock connector of the flat cable straight insert according to claim 3, wherein the first end portion (111) is further provided with a groove (116), the groove (116) is formed by recessing the first end portion (111) toward the second end portion (112), and the groove (116) is located at the upper and lower sides of the boss (115); the first spring arm (241) and the second spring arm (242) protrude from the third end (217) and are inserted into the groove (116).
5. The automatic lock connector of the flat cable straight-in according to claim 4, wherein the stopper (243) is provided with a guide slope (245) along the insertion direction of the flat cable (3).
6. The automatic lock connector of claim 5, wherein the ends of the first spring arm (241) and the second spring arm (242) are each provided with a pressing block (246), and the pressing blocks (246) are located at the third end (217) and have a gap with the connecting arm (216).
7. The automatic wire arranging and direct inserting lock connector according to claim 3, wherein an unlocking position (218) is arranged on the third end portion (217), the unlocking position (218) is used for being clamped into an unlocking jig (4), the unlocking jig (4) is provided with a claw (41), after the claw (41) is clamped into the unlocking position (218), the unlocking jig (4) rotates in a direction away from the first plate body (211), and then the second connecting piece (2) is separated from the first connecting piece (1).
8. The automatic lock connector of claim 1, wherein the mounting base (114) includes a first mounting face (1141) and a second mounting face (1142) disposed opposite one another; the terminal assembly (12) includes a first terminal (121) and a second terminal (122), the first terminal (121) and the second terminal (122) being disposed on the first mounting surface (1141) and the second mounting surface (1142), respectively.
9. The automatic wire-arranging and direct-inserting lock connector according to claim 8, wherein the first terminal (121) and the second terminal (122) are respectively provided with two contact arms (123), the tail ends of the contact arms (123) are provided with chamfer-shaped contact parts (124), the contact parts (124) comprise a frustum (1241), an extension end (1242) and a contact end (1243), the extension end (1242) is subjected to thickening treatment, the thickness of the extension end (1242) is 1/2-2/3 of the thickness of the frustum (1241), and the contact end (1243) is a smooth cambered surface.
10. The automatic wire-arranging and in-line lock connector according to any one of claims 2 to 7, wherein the second connecting member (2) is further provided with a first operation station (219) and a second operation station (210) on the mounting portion (214), the first operation station (219) is used for pulling the second housing (21) out of the first housing (11), and the second operation station (210) is used for pushing the second housing (21) into the first housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411010210.9A CN118554222B (en) | 2024-07-26 | 2024-07-26 | Automatic lock connector with wire arrangement inserted directly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411010210.9A CN118554222B (en) | 2024-07-26 | 2024-07-26 | Automatic lock connector with wire arrangement inserted directly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118554222A CN118554222A (en) | 2024-08-27 |
| CN118554222B true CN118554222B (en) | 2024-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411010210.9A Active CN118554222B (en) | 2024-07-26 | 2024-07-26 | Automatic lock connector with wire arrangement inserted directly |
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| CN (1) | CN118554222B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914460A (en) * | 2023-08-23 | 2023-10-20 | 胜蓝科技股份有限公司 | New energy connector of line to board |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5408275B2 (en) * | 2012-02-20 | 2014-02-05 | 第一精工株式会社 | Electrical connector |
| CN212542832U (en) * | 2020-07-17 | 2021-02-12 | 瀚荃电子科技(苏州)有限公司 | Automatic locking structure suitable for double-row-line FPC connector |
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- 2024-07-26 CN CN202411010210.9A patent/CN118554222B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914460A (en) * | 2023-08-23 | 2023-10-20 | 胜蓝科技股份有限公司 | New energy connector of line to board |
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| Publication number | Publication date |
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| CN118554222A (en) | 2024-08-27 |
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