CN108528367B - Wiring harness plug-in - Google Patents
Wiring harness plug-in Download PDFInfo
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- CN108528367B CN108528367B CN201810699902.7A CN201810699902A CN108528367B CN 108528367 B CN108528367 B CN 108528367B CN 201810699902 A CN201810699902 A CN 201810699902A CN 108528367 B CN108528367 B CN 108528367B
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- clamping
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- elastic sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a wiring harness plug-in unit, which comprises a female plug-in unit, wherein the female plug-in unit comprises an outer shell and an inner core body; wherein, a first elastic sheet is fixedly arranged on one inner side wall of the outer shell, and a second elastic sheet is arranged on the other opposite inner side wall; the first elastic sheet is fixedly provided with a first clamping bulge and a sliding guide bulge, and the second elastic sheet is fixedly provided with a second clamping bulge; the inner core body is provided with a guide sliding groove, a first clamping groove and a second clamping groove; the sliding guide bulge slides along the sliding guide groove, the first clamping bulge is fixedly clamped in the first clamping groove, and the second clamping bulge is fixedly clamped in the second clamping groove; the card terminal is inserted into the core body, and the terminal locking member is used to lock the card terminal in the core body. Set up the box-plug into split type structure, ensure that the sealing washer is installed under the condition of not sheltering from, after the sealing washer was installed on the internal core body, fix the internal core body in the shell body through first shell fragment and second shell fragment again with the internal core body, increased the installation convenience of sealing washer.
Description
Technical Field
The invention relates to the technical field of automobile wire harness connection, in particular to a wire harness plug-in unit.
Background
The wiring harness plug-in is used as an important part in an automobile and mainly used for connecting wiring harnesses, so that normal current transmission is ensured, and safe and reliable work of electric appliances of the whole automobile is ensured.
The general wiring harness plug-in components mostly comprise male plug-in components and female plug-in components, male terminals and female terminals are arranged in the male plug-in components and the female plug-in components respectively, and when the wiring harness plug-in components are used, the male plug-in components are plugged in the female plug-in components, the male terminals are in butt joint with the female terminals, and therefore normal connection of wiring harnesses is achieved.
Present public plug-in components and female plug-in components rely on simple joint structure, generally mostly set up the joint hole on public plug-in components, and set up a joint shell fragment at the female plug-in components, utilize the fixed joint of joint shell fragment in the joint hole to realize public plug-in components and female plug-in components's grafting, the joint reliability is lower, appears the not condition in place of joint easily.
In addition, the traditional wiring harness plug-in components are generally manufactured by one-time injection molding, and when the sealing ring is installed, the sealing ring needs to be installed and detached by means of small picking needles and other tools, so that the operation process is very complicated, and the sealing ring is very easy to damage.
In practical use, a part of the wiring harness plug-in is mounted on a chassis of an automobile and exposed to the external environment, so that water is very easy to enter, and accordingly, the sealing performance of the wiring harness plug-in is also required to be improved.
Disclosure of Invention
The invention aims to provide a wiring harness plug-in unit, which aims to solve the problems, increase the installation convenience of a sealing ring, ensure the reliable plug-in connection of a male plug-in unit and a female plug-in unit and increase the sealing performance.
The invention provides a wiring harness plug-in unit, which comprises a female plug-in unit, wherein the female plug-in unit comprises a shell, an inner core body and a sealing ring;
the sealing ring is sleeved on the inner core body;
a first elastic sheet is arranged on one inner side wall of the outer shell, and a second elastic sheet is arranged on the other opposite inner side wall; the first elastic sheet is fixedly provided with a first clamping bulge and a sliding guide bulge, and the second elastic sheet is fixedly provided with a second clamping bulge;
a sliding guide groove is formed in one outer side wall of the inner core body, first clamping grooves are formed in two sides of the sliding guide groove, and a second clamping groove is formed in the other opposite outer side wall of the sliding guide groove;
the inner core body is fixedly inserted into the outer shell, and the sliding guide protrusion slides along the sliding guide groove and is finally clamped at the end part of the sliding guide groove; the first clamping bulge is fixedly clamped in the first clamping groove, and the second clamping bulge is fixedly clamped in the second clamping groove;
the wiring harness insert further comprises an insert terminal and a terminal locking piece;
the inner core body is provided with at least two terminal through holes along the axial direction, and the plug-in terminals are correspondingly plugged in the terminal through holes one by one; a terminal locking groove is formed in the inner core body in the radial direction and communicated with the terminal through hole, and a locking selection groove is formed in one side wall of the terminal locking groove;
the terminal locking piece is arranged in the terminal locking groove and comprises a locking body and a locking selection piece, and the locking selection piece is fixedly connected with one side of the locking body; the locking selection piece is matched with the locking selection groove, so that the locking body selectively locks one or more plug-in terminals in the terminal through holes.
In the above wire harness insert, it is preferable that the insert terminal is provided with a terminal fitting groove, and the terminal fitting groove is exposed to the outside through the terminal locking groove;
the terminal locking piece further comprises a terminal locking bulge, the terminal locking bulge is fixedly connected with the locking body, and the locking body locks the plug-in unit terminal in the terminal through hole through the terminal locking bulge; the terminal locking protrusion is clamped in the terminal matching groove to lock the plug-in terminal.
The wire harness insert as described above, wherein it is preferable that a terminal guard is further included, the terminal guard being provided with a terminal guard hole;
one end of the core body is provided with a terminal protection groove, the terminal protection piece is arranged in the terminal protection groove, and the terminal protection piece can slide in the terminal protection groove to align or stagger the terminal protection hole with the terminal through hole.
The wiring harness insert as described above, wherein it is preferable that a male insert, an insert lock member, and an elastic return member are further included;
the male plug-in is provided with a first clamping piece;
the mother plug-in also comprises a second clamping piece; the second clamping piece comprises a clamping shell and a clamping elastic piece, the clamping shell is fixedly connected with one end of the outer shell, and the clamping elastic piece is fixedly arranged in the clamping shell; a clamping gap is formed between the clamping shell and the clamping elastic sheet;
the plug-in locking piece comprises a locking elastic sheet which is inserted into the clamping gap and used for locking the clamping elastic sheet for one time;
when the male plug-in unit is plugged in the female plug-in unit, the first clamping piece abuts against the locking elastic sheet to release the primary locking, and meanwhile, the first clamping piece is clamped and fixed with the clamping elastic sheet; the elastic reset piece is used for enabling the locking elastic piece to lock the clamping elastic piece for the second time.
The wire harness plug-in component as described above, wherein preferably, the clamping spring plate is provided with a first clamping hole;
the locking elastic sheet comprises an elastic sheet body and an insert locking bulge, the elastic sheet body is fixedly connected with the clamping shell, and the insert locking bulge is fixedly connected to one end of the elastic sheet body and extends towards the clamping elastic sheet; the plug-in locking bulge is fixedly clamped in the first clamping hole, so that the locking elastic sheet can lock the clamping elastic sheet for the first time;
when the first clamping piece abuts against the locking elastic sheet, the plug-in locking protrusion is separated from the first clamping hole so as to release the primary locking;
the locking elastic sheet further comprises a limiting bulge, the limiting bulge is fixedly connected to one end, far away from the plug-in unit locking bulge, of the elastic sheet body, and the plug-in unit locking bulge extends towards the direction far away from the clamping elastic sheet;
one side of the clamping shell facing the clamping elastic sheet is provided with a limiting wall;
when the plug-in locking protrusion is fixedly clamped in the first clamping hole, the limiting protrusion abuts against the limiting wall.
The wire harness insert as described above, wherein the female insert preferably further includes a pressing member, and the pressing member is fixedly connected to an end of the core body away from the second clamping member; a locking vacancy is formed between the pressing piece and the second clamping piece;
the plug-in locking piece also comprises a locking judgment piece, and the locking judgment piece is fixedly connected with the locking elastic sheet; when the locking elastic sheet is inserted into the clamping gap, the locking judgment piece is positioned in the locking vacancy;
two ends of the elastic reset piece are respectively connected with the pressing piece and the locking judging piece;
when the locking elastic sheet locks the clamping elastic sheet for the second time, the locking judgment piece abuts against the clamping shell.
The wire harness insert as described above, wherein preferably, the inner core body is provided with an annular groove, and the sealing ring is fixedly sleeved in the annular groove.
The wire harness insert as described above, wherein, preferably, the wire harness insert further comprises a sealing block, and a sealing cavity is provided at one end of the outer shell away from the insertion direction of the inner core body; the sealing block is fixedly arranged in the sealing cavity;
the sealing block is provided with two sealing butt-joint grooves which are respectively in butt joint with the first elastic sheet and the second elastic sheet.
The wire harness insert as described above, preferably, further includes a rear cover, the rear cover is fixedly connected to one end of the outer housing away from the insertion direction of the core body, and the rear cover is configured to close the opening of the outer housing.
The invention provides a wiring harness plug-in unit, which comprises a female plug-in unit, wherein the female plug-in unit comprises an outer shell and an inner core body; wherein, a first elastic sheet is fixedly arranged on one inner side wall of the outer shell, and a second elastic sheet is arranged on the other opposite inner side wall; the first elastic sheet is fixedly provided with a first clamping bulge and a sliding guide bulge, and the second elastic sheet is fixedly provided with a second clamping bulge; one outer side wall of the inner core body is provided with a guide sliding groove, two sides of the guide sliding groove are provided with first clamping grooves, and the other opposite outer side wall is provided with a second clamping groove; the inner core body is fixedly inserted into the outer shell, and the sliding guide protrusion slides along the sliding guide groove and is finally clamped at the end part of the sliding guide groove; the first clamping bulge is fixedly clamped in the first clamping groove, and the second clamping bulge is fixedly clamped in the second clamping groove; the card terminal is inserted into the core body, and the terminal locking member is used to lock the card terminal in the core body. Set up the box-plug into split type structure, including inner core body and shell body to ensure that the sealing washer is installed under the condition of nothing sheltering from, after the sealing washer was installed on the inner core body, peg graft the inner core body again in the shell body. The inner core body is fixed in the outer shell through the first elastic sheet and the second elastic sheet, so that the installation convenience of the sealing ring is improved, and meanwhile, the structural stability of the wiring harness plug-in is ensured; the plug-in terminal is locked in the inner core body by the terminal locking piece, so that the plug-in terminal is prevented from falling off, and the safety factor is increased.
Drawings
FIG. 1 is an exploded view of a harness insert provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural diagram (one) of an outer housing of a harness insert according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram (two) of an outer housing of the harness insert according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram (iii) of an outer housing of the harness insert according to the embodiment of the present invention;
fig. 5 is a structural schematic view (one) of the core body of the wire harness insert according to the embodiment of the present invention;
fig. 6 is a structural schematic view (two) of the inner core body of the wire harness insert according to the embodiment of the present invention;
fig. 7 is a schematic structural view of a plug-in terminal of the wire harness plug-in provided by the embodiment of the invention;
fig. 8 is a schematic structural view of a terminal locking member of a harness insert according to an embodiment of the present invention;
fig. 9 is a schematic locking diagram (one) of a terminal locking member of a harness insert according to an embodiment of the present invention;
fig. 10 is a schematic view (two) of the terminal locking member of the harness insert according to the embodiment of the present invention
Fig. 11 is a schematic structural view of a terminal guard of a wire harness insert according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a male insert of the wiring harness insert provided by an embodiment of the invention;
FIG. 13 is a schematic structural view of an insert locking member of a harness insert according to an embodiment of the present invention;
fig. 14 is a schematic structural view (ii) of an insert locking member of the harness insert according to the embodiment of the present invention;
fig. 15 is a schematic illustration (one) of a locking mechanism for a plug-in unit of a wiring harness according to an embodiment of the present invention;
fig. 16 is a locking view (two) of the card lock of the harness card according to the embodiment of the present invention;
fig. 17 is a schematic structural view of a sealing ring of the harness insert according to an embodiment of the present invention;
fig. 18 is a schematic structural view of a sealing block of the harness insert according to an embodiment of the present invention;
fig. 19 is a schematic structural view of a rear cover of a wire harness insert according to an embodiment of the present invention.
Description of reference numerals:
100-female connector, 110-outer shell, 111-first spring plate, 1111-first clamping protrusion, 1112-sliding guide protrusion, 112-second spring plate, 1121-second clamping protrusion, 113-sealing cavity, 114-second connecting hole, 115-T-shaped groove, 116-cover clamping groove, 120-inner core body, 121-sliding guide groove, 122-first clamping groove, 123-second clamping groove, 124-terminal perforation, 125-terminal locking groove, 1251-locking limiting piece, 126-terminal protection groove, 127-annular groove, 128-sealing clamping groove, 129-first connecting hole, 130-second clamping piece, 131-clamping shell, 1311-limiting wall, 1312-second clamping hole, 132-clamping spring plate, 1321-first clamping hole, 1322-locking guide sliding strip, 133-clamping gap, 140-pressing piece, 141-first mounting hole, 142-locking vacancy, 150-sealing ring, 151-sealing clamping strip 200-plug-in terminal and 210-terminal matching groove; 300-terminal lock, 310-lock body, 320-lock selector, 330-terminal lock protrusion, 340-lock step; 400-terminal guard, 410-terminal guard hole, 420-moving handle; 500-male plug-in, 510-first clip; 600-plug-in unit locking piece, 610-locking elastic piece, 611-elastic piece body, 612-plug-in unit locking protrusion, 613-limiting protrusion, 620-locking judging piece, 621-second mounting hole, 630-locking guide plate, 631-locking guide groove, 640-limiting barrel and 650-elastic resetting piece; 800-sealing block, 810-sealing connecting piece, 820-sealing butt-joint groove; 900-rear cover, 910-L-shaped boss, 920-cover clamping protrusion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Example one
The first embodiment of the present invention provides a wire harness insert, which includes a female insert 100, and the female insert includes an outer shell 110 and an inner core 120.
Referring to fig. 2 to 4, a first elastic sheet 111 is fixedly disposed on one inner side wall of the outer casing 110, and a second elastic sheet 112 is disposed on the other opposite inner side wall; the first elastic piece 111 is fixedly provided with a first clamping protrusion 1111 and a sliding guide protrusion 1112, and the second elastic piece 112 is fixedly provided with a second clamping protrusion 1121.
Referring to fig. 5 and 6, one outer sidewall of the inner core body 120 is provided with a guiding and sliding groove 121, two sides of the guiding and sliding groove 121 are provided with first clamping grooves 122, and the other opposite outer sidewall is provided with a second clamping groove 123.
The inner core body 120 is fixedly inserted into the outer shell 110, and the sliding guide protrusion 1112 slides along the sliding guide groove 121 and is finally clamped at the end of the sliding guide groove 121; first joint protrusion 1111 is fixedly clamped in first joint groove 122, and second joint protrusion 1121 is fixedly clamped in second joint groove 123.
In the first embodiment, the female plug 100 is provided as a split structure, and includes the inner core 120 and the outer shell 110, so as to ensure that the sealing ring 150 is installed without shielding, and after the sealing ring 150 is installed on the inner core 120, the inner core 120 is inserted into the outer shell 110. The inner core 120 is fixed in the outer shell 110 by the first elastic sheet 111 and the second elastic sheet 112, so that the installation convenience of the sealing ring 150 is improved, and the structural stability of the wire harness plug-in is ensured.
Specifically, during plugging, when the inner core body 120 first contacts with the sliding guide protrusion 1112, the first elastic sheet 111 is elastically deformed in a direction away from the inner core body 120, when the sliding guide protrusion 1112 is clamped into the sliding guide groove 121, the first elastic sheet 111 recovers to the original shape, the inner core body 120 continues to be plugged inwards, the sliding guide protrusion 1112 can guide the inner core body 120 to be stably and accurately inserted until the first clamping protrusion 1111 is clamped into the first clamping groove 122, the second cover clamping protrusion 1121 is clamped into the second clamping groove 123, and the sliding guide protrusion 1112 is just located at one end of the sliding guide groove 121, so that the inner core body 120 is fixed into the outer shell 110.
To facilitate installation of the sealing ring 150, the inner core body 120 is provided with an annular groove 127, and the sealing ring 150 is fixedly sleeved in the annular groove 127. The above-mentioned annular groove 127 is convenient for mounting the sealing ring 150 on the one hand, and on the other hand can also limit the sealing ring 150.
Preferably, a sealing clamping groove 128 is formed in the bottom wall of the annular groove 127, and a sealing clamping strip 151 is formed on the inner wall of the sealing ring 150; the sealing clamping strip 151 is fixedly clamped in the sealing clamping groove 128. The sealing clamping strip 151 is matched with the sealing clamping groove 128, so that the sealing ring 150 is firmly fixed, the accuracy of the installation position is effectively ensured, and the sealing ring 150 is effectively prevented from moving.
Referring to fig. 7 and 8, the harness insert according to the first embodiment of the present invention further includes at least two insert terminals 200 and terminal locking members 300.
At least two terminal through holes 124 are axially formed in the inner core body 120, and the plug-in terminals 200 are correspondingly inserted into the terminal through holes 124 one by one; the core body 120 is provided with a terminal locking groove 125 along a radial direction, the terminal locking groove 125 communicates with the terminal penetration hole 124, and a locking selection groove is formed on one side wall of the terminal locking groove 125.
The terminal locking member 300 is disposed in the terminal locking groove 125, the terminal locking member 300 includes a locking body 310 and a locking selection member 320, and the locking selection member 320 is fixedly connected to one side of the locking body 310; the locking selector 320 cooperates with the locking selection slot to enable the locking body 310 to selectively lock one or more card terminals 200 in the terminal apertures 124.
In the second embodiment, the terminal locking member 300 is used to lock the card terminals 200, so that the fixing reliability is increased, and the locking selecting member 320 is used to cooperate with the locking selecting groove to selectively lock the card terminals 200 that need to be locked, so as to release the card terminals 200 that do not need to be locked, thereby ensuring the locking reliability of the rest of the card terminals 200 while installing or removing some of the card terminals 200.
Referring to fig. 9 to 10, it can be seen that the number of the locking selectors 320 and the locking selection grooves are three, and those skilled in the art will understand that the number of the locking selectors 320 and the locking selection grooves needs to be set according to the number of the card terminals 200.
Referring to fig. 9, three locking selection members 320 are respectively inserted into the three locking selection grooves to lock the three card terminals 200. Referring to fig. 10, when the rightmost card terminal 200 needs to be mounted or dismounted, two locking selectors 320 of the three locking selectors 320 are used to lock the other two card terminals 200, and the rightmost card terminal 200 is released, so that the card terminal 200 can be operated independently, and the stability of the other two card terminals 200 is not affected while the rightmost card terminal 200 is smoothly mounted or dismounted; when the two right plug-in terminals 200 need to be disassembled, the left-most plug-in terminal 200 can be locked, and the two right plug-in terminals 200 can be loosened;
when only one card terminal 200 in the middle needs to be operated, one terminal lock 300 may be used to lock the leftmost card terminal 200, and the other terminal lock 300 may be used to lock the rightmost card terminal 200, so as to further improve the convenience of use.
Further, the card terminal 200 is provided with a terminal fitting groove 210, and the terminal fitting groove 210 is exposed to the outside through the terminal locking groove 125; the terminal locking member 300 further includes a terminal locking protrusion 330, the terminal locking protrusion 330 is fixedly connected to the locking body 310, and the locking body 310 locks the plug-in terminal 200 in the terminal through hole 124 through the terminal locking protrusion 330; the terminal locking projections 330 are engaged in the terminal fitting grooves 210 to lock the card terminal 200.
That is, the terminal locking member 300 locks the card terminal 200 by the terminal locking protrusion 330; preferably, the terminal locking protrusion 330 is a strip-shaped protrusion, and the length of the terminal locking protrusion 330 is adapted to the length of the terminal locking groove 125; or the terminal locking protrusion 330 includes a plurality of locking segments, the locking segments are respectively fixedly connected to the locking body 310, and the interval between adjacent locking segments is the same as the interval between adjacent terminal through holes 124. That is, the terminal locking protrusion 330 may be a single body or a split body of a multiple locking split pattern.
Further, the wire harness plug-in unit according to the first embodiment of the present invention further includes a locking limiting member 1251, referring to fig. 6 and 8, the locking limiting member 1251 is fixedly disposed on the other side wall of the terminal locking groove 125; a locking step 340 is provided between the terminal locking protrusion 330 and the locking body 310, and the locking stopper 1251 is pressed against the locking step 340 to limit the terminal locking member 300. It can be seen that when the terminal lock 300 is installed in the terminal lock groove 125, the lock stopper 1251 is located just above the lock step 340, thereby preventing the terminal lock 300 from jumping up out of the terminal lock groove 125.
Example two
Referring to fig. 11, in the wire harness plug-in unit according to the second embodiment of the present invention, a terminal protection piece 400 is added on the basis of the first embodiment, and a terminal protection hole 410 is formed on the terminal protection piece 400; one end of the core body 120 is provided with a terminal protection groove 126, and the terminal guard 400 is disposed in the terminal protection groove 126, and the terminal guard 400 can slide in the terminal protection groove 126 to align or misalign the terminal protection hole 410 with the terminal penetration hole 124.
When it is desired to use the terminal penetration holes 124, the terminal guard 400 is moved such that the terminal guard holes 410 are aligned with the terminal penetration holes 124; in contrast, when the terminal penetration holes 124 are not required to be used, the terminal guard 400 is moved such that the terminal guard holes 410 are misaligned with the terminal penetration holes 124, thereby shielding the terminal penetration holes 124 from foreign substances such as dust entering the terminal penetration holes 124.
Preferably, a moving handle 420 is disposed on the terminal protection member 400, and the moving handle 420 can slide the terminal protection member 400 in the terminal protection groove 126. The operator can move the terminal guard 400 by operating the moving handle 420, thereby increasing the convenience of operation. It will be appreciated that the moving handle 420 extends slightly outside of the terminal guard groove 126 for ease of use by the operator.
EXAMPLE III
Referring to fig. 12 to 14, in the harness plug-in unit according to the third embodiment of the present invention, a male plug-in unit 500, a plug-in unit locking unit 600 and an elastic reset unit 650 are added to the second embodiment.
The male plug-in 500 is provided with a first catching member 510.
The female plug-in 100 further includes a second clamping member 130, and the second clamping member 130 is fixedly connected to one end of the inner core body 120; the second clamping piece 130 comprises a clamping shell 131 and a clamping elastic sheet 132, the clamping shell 131 is fixedly connected with the inner core body 120, and the clamping elastic sheet 132 is fixedly arranged inside the clamping shell 131; a clamping gap 133 is arranged between the clamping shell 131 and the clamping spring 132.
Plug-in components locking piece 600 includes locking shell fragment 610, and locking shell fragment 610 pegs graft in joint clearance 133, and locking shell fragment 610 carries out a locking to joint shell fragment 132.
When the male plug-in unit 500 is inserted into the female plug-in unit 100, the first clamping member 510 abuts against the locking spring 610 to release the primary locking, and meanwhile, the first clamping member 510 is clamped and fixed with the clamping spring 132; the elastic reset piece 650 is used to enable the locking elastic piece 610 to lock the snap elastic piece 132 for the second time.
Preferably, this elasticity piece 650 that resets is the spring, and during primary locking, this spring is in compression state, and when public plug-in components 500 pegged graft in mother board 100, the spring kick-backs, drives locking shell fragment 610 and carries out secondary locking.
In the third embodiment, the male plug-in unit 500 and the female plug-in unit 100 are fixedly clamped with each other through the first clamping member 510 and the second clamping member 130, specifically, the first clamping member 510 and the clamping spring 132 are fixedly clamped; when the male plug-in 500 is not plugged with the female plug-in 100, the locking elastic sheet 610 locks the clamping elastic sheet 132, so that the clamping elastic sheet 132 is prevented from shifting when the male plug-in 500 is plugged in, and the first clamping piece 510 is not plugged into the clamping elastic sheet 132.
Referring to fig. 15, the primary locking is specifically realized by the following structure:
the clamping elastic sheet 132 is provided with a first clamping hole 1321; the locking elastic piece 610 comprises an elastic piece body 611 and a plug-in locking protrusion 612, the elastic piece body 611 is fixedly connected with the clamping shell 131, and the plug-in locking protrusion 612 is fixedly connected to one end of the elastic piece body 611 and extends towards the clamping elastic piece 132; the plug-in locking protrusion 612 is fixedly clamped in the first clamping hole 1321, so that the locking elastic sheet 610 locks the clamping elastic sheet 132 for one time; when the first latch 510 abuts against the locking spring 610, the plug-in locking protrusion 612 is separated from the first latch hole 1321 to release the primary locking.
Referring to fig. 15 to 16, it can be seen that one end of the locking elastic piece 610 is inclined downward by a certain angle, and the plug-in unit locking protrusion 612 is fixed at the end, so that when the locking elastic piece 610 is inserted into the clamping gap 133, the plug-in unit locking protrusion 612 can be smoothly clamped in the first clamping hole 1321.
In order to increase the effect of primary locking, the locking elastic piece 610 further includes a limiting protrusion 613, the limiting protrusion 613 is fixedly connected to one end of the elastic piece body 611 far away from the plug-in locking protrusion 612, and the plug-in locking protrusion 612 extends towards a direction far away from the snap elastic piece 132; a limiting wall 1311 is arranged on one side, facing the clamping elastic sheet 132, of the clamping shell 131; when the insert locking protrusion 612 is fixedly clamped in the first clamping hole 1321, the limiting protrusion 613 abuts against the limiting wall 1311.
Preferably, the limiting wall 1311 is an inclined wall surface, the limiting wall 1311 inclines towards a direction close to the first clamping hole 1321, and the limiting wall 1311 is matched with the limiting protrusion 613, so that the locking elastic piece 610 can be prevented from moving leftward (i.e., the elastic resetting piece 650 is prevented from driving the locking elastic piece 610 to move leftward), the plug-in locking protrusion 612 is prevented from being separated from the first clamping hole 1321, and a locking effect is increased.
Referring to fig. 16, the secondary locking is specifically realized by the following structure:
referring to fig. 15 and fig. 16, a second clamping hole 1312 is formed at an end of the clamping housing 131 close to the first clamping hole 1321; the elastic reset element 650 is used to make the plug-in locking protrusion 612 fixedly clamped in the second clamping hole 1312, so that the locking spring 610 performs secondary locking on the clamping spring 132.
As shown in fig. 15, the second latching hole 1312 is located at the left side of the first latching hole 1321, when the male connector 500 is plugged into the female connector 100, the plug-in locking protrusion 612 is fixedly latched into the first latching hole 1321, when the male connector 500 is plugged into the female connector 100, the first latching member 510 moves rightward along with the male connector 500 and contacts and presses the plug-in locking protrusion 612, so that the plug-in locking protrusion 612 moves upward to be separated from the first latching hole 1321, the limit protrusion 613 moves downward to separate the limit wall 1311 (fig. 16), and the elastic reset member 650 applies a leftward acting force to the locking spring 610, so that the locking spring 610 moves leftward until the plug-in locking protrusion 612 is latched into the second latching hole 1312; at this time, the first clip member 510 is fixedly clipped in the first clip hole 1321, the plug-in locking protrusion 612 is fixedly clipped in the second clip hole 1312, and the locking spring 610 exerts a downward acting force towards the clip spring 132, so as to prevent the clip spring 132 from moving up and down, so that the first clip member 510 is reliably fixed in the first clip hole 1321, and the male plug-in unit 500 is prevented from being separated from the female plug-in unit 100.
When public plug-in components 500 are pegged graft in mother plug-in components 100, once the locking is automatic to be relieved, elasticity resets 650 automatic promotion locking shell fragment 610 and realizes the secondary locking, need not manual operation, has increased assembly efficiency, has improved the assembly convenience, can prevent effectively that operating personnel from forgetting the secondary locking, increases factor of safety.
After the secondary locking, elasticity resets piece 650 and applys the effort towards the left to locking shell fragment 610 all the time, guarantees that locking shell fragment 610 is in the locking state to the grafting shell fragment all the time, further avoids public plug-in components 500 and mother plug-in components 100 to separate, improves the joint reliability.
When the male plug-in 500 needs to be detached, right and horizontal upward acting forces (with the direction in fig. 16 as a reference) are applied to the right end of the locking elastic sheet 610, and by using the lever principle, the left end of the locking elastic sheet 610 moves upward and rightward at the same time, so that the plug-in locking protrusion 612 is separated from the second snap-in hole 1312, and thus the secondary locking of the locking elastic sheet 610 to the snap-in elastic sheet 132 can be released; then, the card locking protrusion 612 applies a downward force by its own elastic force, so that the first card 510 is pushed out of the first card hole 1321, and the male card 500 can be easily pulled out from the female card 100.
Preferably, the female connector 100 further comprises a pressing member 140, and the pressing member 140 is fixedly connected to an end of the inner core body 120 far away from the second clamping member 130; a locking vacancy 142 is formed between the pressing piece 140 and the second clamping piece 130; the card lock 600 further comprises a locking judgment part 620, and the locking judgment part 620 is fixedly connected with the locking spring 610; when the locking elastic sheet 610 is inserted into the clamping gap 133, the locking judgment part 620 is positioned in the locking vacant position 142; both ends of the elastic restoring member 650 are connected to the pressing member 140 and the locking judging member 620, respectively.
The locking judgment part 620 may be used to connect the elastic reset part 650, and the user may also perform an operation by holding the locking judgment part 620 when releasing the secondary locking, thereby increasing the convenience of the operation.
In addition, the locking judgment part 620 can also be used for judging whether the male plug-in unit 500 and the female plug-in unit 100 are inserted in place, and specifically, when the locking elastic sheet 610 secondarily locks the clamping elastic sheet 132, the locking judgment part 620 abuts against the clamping shell 131. That is, when the locking judgment part 620 abuts against the clamping housing 131, it is proved that the male plug-in unit 500 and the female plug-in unit 100 are inserted in place, the locking elastic sheet 610 secondarily locks the clamping elastic sheet 132 in place, and conversely, when a gap exists between the locking judgment part 620 and the clamping housing 131, it is proved that the male plug-in unit 500 and the female plug-in unit 100 are not clamped in place.
Preferably, the card lock 600 further comprises a lock guide plate 630, the lock guide plate 630 is fixedly connected with the lock judgment member 620, and a lock guide slot 631 is formed in the lock guide plate 630; a locking slide guiding strip 1322 is arranged on the clamping elastic sheet 132; when the locking elastic sheet 610 is inserted into the clamping gap 133, the locking guiding sliding strip 1322 slides along the locking guiding groove 631. This structure can lead the removal of plug-in components locking piece 600, guarantees that plug-in components locking piece 600 operates steadily. Preferably, the locking guide groove 631 is an arc-shaped guide groove, and the locking guide rail 1322 is an arc-shaped guide rail.
Further, the number of the pressing members 140 is two, and the two pressing members 140 are provided with first mounting holes 141; the locking judgment part 620 is provided with two second mounting holes 621; the number of the elastic reset pieces 650 is two, one end of each of the two elastic reset pieces 650 is connected to the first mounting hole 141, and the other end of each of the two elastic reset pieces 650 is connected to the second mounting hole 621.
Two elasticity reset piece 650 set up respectively in plug-in components locking piece 600's both sides to make plug-in components locking piece 600's both sides atress balanced, be favorable to improving plug-in components locking piece 600's operation stationarity more.
Preferably, the card locking member 600 further includes two limiting cylinders 640, one ends of the two limiting cylinders 640 are both fixedly connected with the locking judgment member 620, and the other ends of the two limiting cylinders 640 both extend in a direction away from the locking elastic sheet 610; the number of the pressing members 140 is two, and the pressing members 140 have a cylindrical shape; when the locking elastic sheet 610 locks the clamping elastic sheet 132 once, the two limiting cylinders 640 are respectively partially sleeved on the two pressing members 140. The limiting cylinder 640 moves along the outer circumference of the pressing member 140 to play a guiding role.
Example four
In general, a sealing plug is arranged on the plug-in terminal 200 for sealing, the sealing plug is a primary seal, in order to increase the sealing effect, in the fourth embodiment, a sealing block 800 is added on the basis of the third embodiment, and a sealing cavity 113 is arranged at one end of the outer shell 110 away from the insertion direction of the inner core 120; the sealing block 800 is fixedly arranged in the sealing cavity 113; the sealing block 800 is fixedly arranged in the sealing cavity 113; the sealing block 800 is provided with two sealing and abutting grooves 820, and the two sealing and abutting grooves 820 are respectively abutted with the first elastic sheet 111 and the second elastic sheet 112. The sealing block 800 is a two-stage seal and two-stage seal structure, and the sealing strength is improved.
Preferably, the sealing block 800 is fixedly provided with a sealing connector 810; the sealing block 800 is fixedly connected to the inner core body 120 and the outer shell 110 by a sealing connector 810. Referring to fig. 18, the sealing connector 810 is a tapered boss, the inner core 120 is provided with a first connection hole 129, the inner wall of the outer shell 110 is provided with a second connection hole 114, when the inner core 120 is correctly inserted into the outer shell 110, the first connection hole 129 and the second connection hole 114 form a complete installation hole, and when the sealing block 800 is installed in the sealing cavity 113, the sealing connector 810 is connected to the installation hole, so as to position the sealing block 800.
EXAMPLE five
Referring to fig. 19, the split wire harness insert provided in the fifth embodiment of the present invention is obtained by adding a rear cover 900 to the fourth embodiment, the rear cover 900 is fixedly connected to one end of the outer shell 110 away from the insertion direction of the inner core 120, and the rear cover 900 is used for closing the opening of the outer shell 110. The rear cover 900 serves to close the opening, increase structural stability and strength, and increase sealing performance.
Preferably, a cover clamping groove 116 is further formed on the outer housing 110, a cover clamping protrusion 920 is fixedly connected to the rear cover 900, and the cover clamping protrusion 920 is fixedly clamped in the cover clamping groove 116. The rear cover 900 is fixed to the outer case 110 by the cover catching projections 920.
The rear cover 900 is connected to the outer housing 110 in the following manner, an L-shaped boss 910 is provided on the rear cover 900, a T-shaped groove 115 is provided at an opening of the outer housing 110, and the rear cover 900 is fixedly connected to the outer housing 110 through the L-shaped boss 910 and the T-shaped groove 115.
The construction, features and functions of the present invention have been described in detail for the purpose of illustration and description, but the invention is not limited to the details of construction and operation, and is capable of other embodiments without departing from the spirit and scope of the invention.
Claims (9)
1. The wiring harness plug-in is characterized by comprising a female plug-in, wherein the female plug-in comprises an outer shell, an inner core body and a sealing ring;
the sealing ring is sleeved on the inner core body;
a first elastic sheet is arranged on one inner side wall of the outer shell, and a second elastic sheet is arranged on the other opposite inner side wall; the first elastic sheet is fixedly provided with a first clamping bulge and a sliding guide bulge, and the second elastic sheet is fixedly provided with a second clamping bulge;
a sliding guide groove is formed in one outer side wall of the inner core body, first clamping grooves are formed in two sides of the sliding guide groove, and a second clamping groove is formed in the other opposite outer side wall of the sliding guide groove;
the inner core body is fixedly inserted into the outer shell, and the sliding guide protrusion slides along the sliding guide groove and is finally clamped at the end part of the sliding guide groove; the first clamping bulge is fixedly clamped in the first clamping groove, and the second clamping bulge is fixedly clamped in the second clamping groove;
the wiring harness insert further comprises an insert terminal and a terminal locking piece;
the inner core body is provided with at least two terminal through holes along the axial direction, and the plug-in terminals are correspondingly plugged in the terminal through holes one by one; a terminal locking groove is formed in the inner core body in the radial direction and communicated with the terminal through hole, and a locking selection groove is formed in one side wall of the terminal locking groove;
the terminal locking piece is arranged in the terminal locking groove and comprises a locking body and a locking selection piece, and the locking selection piece is fixedly connected with one side of the locking body; the locking selection piece is matched with the locking selection groove, so that the locking body selectively locks one or more plug-in terminals in the terminal through holes.
2. The wire harness insert of claim 1, wherein the insert terminal is provided with a terminal fitting groove, the terminal fitting groove being exposed to the outside through the terminal locking groove;
the terminal locking piece further comprises a terminal locking bulge, the terminal locking bulge is fixedly connected with the locking body, and the locking body locks the plug-in unit terminal in the terminal through hole through the terminal locking bulge; the terminal locking protrusion is clamped in the terminal matching groove to lock the plug-in terminal.
3. The wire harness insert of claim 1, further comprising a terminal guard having a terminal guard aperture disposed therein;
one end of the core body is provided with a terminal protection groove, the terminal protection piece is arranged in the terminal protection groove, and the terminal protection piece can slide in the terminal protection groove to align or stagger the terminal protection hole with the terminal through hole.
4. The wire harness insert of claim 1, further comprising a male insert, an insert latch, and a resilient return member;
the male plug-in is provided with a first clamping piece;
the mother plug-in also comprises a second clamping piece; the second clamping piece comprises a clamping shell and a clamping elastic piece, the clamping shell is fixedly connected with one end of the outer shell, and the clamping elastic piece is fixedly arranged in the clamping shell; a clamping gap is formed between the clamping shell and the clamping elastic sheet;
the plug-in locking piece comprises a locking elastic sheet which is inserted into the clamping gap and used for locking the clamping elastic sheet for one time;
when the male plug-in unit is plugged in the female plug-in unit, the first clamping piece abuts against the locking elastic sheet to release the primary locking, and meanwhile, the first clamping piece is clamped and fixed with the clamping elastic sheet; the elastic reset piece is used for enabling the locking elastic piece to lock the clamping elastic piece for the second time.
5. The wire harness insert of claim 4, wherein the snap-in clip is provided with a first snap-in hole;
the locking elastic sheet comprises an elastic sheet body and an insert locking bulge, the elastic sheet body is fixedly connected with the clamping shell, and the insert locking bulge is fixedly connected to one end of the elastic sheet body and extends towards the clamping elastic sheet; the plug-in locking bulge is fixedly clamped in the first clamping hole, so that the locking elastic sheet can lock the clamping elastic sheet for the first time;
when the first clamping piece abuts against the locking elastic sheet, the plug-in locking protrusion is separated from the first clamping hole so as to release the primary locking;
the locking elastic sheet further comprises a limiting bulge, the limiting bulge is fixedly connected to one end, far away from the plug-in unit locking bulge, of the elastic sheet body, and the plug-in unit locking bulge extends towards the direction far away from the clamping elastic sheet;
one side of the clamping shell facing the clamping elastic sheet is provided with a limiting wall;
when the plug-in locking protrusion is fixedly clamped in the first clamping hole, the limiting protrusion abuts against the limiting wall.
6. The wire harness insert of claim 5, wherein the female insert further comprises a pressing member fixedly attached to an end of the core body remote from the second snap member; a locking vacancy is formed between the pressing piece and the second clamping piece;
the plug-in locking piece also comprises a locking judgment piece, and the locking judgment piece is fixedly connected with the locking elastic sheet; when the locking elastic sheet is inserted into the clamping gap, the locking judgment piece is positioned in the locking vacancy;
two ends of the elastic reset piece are respectively connected with the pressing piece and the locking judging piece;
when the locking elastic sheet locks the clamping elastic sheet for the second time, the locking judgment piece abuts against the clamping shell.
7. The wire harness insert according to any one of claims 1 to 6, wherein the inner core body is provided with an annular groove, and the sealing ring is fixedly sleeved in the annular groove.
8. The wire harness insert according to any one of claims 1 to 6, further comprising a seal block, wherein a seal cavity is provided at one end of the outer housing away from the insertion direction of the core body; the sealing block is fixedly arranged in the sealing cavity;
the sealing block is provided with two sealing butt-joint grooves which are respectively in butt joint with the first elastic sheet and the second elastic sheet.
9. The wire harness insert according to any one of claims 1 to 6, further comprising a rear cover fixedly attached to an end of the outer housing away from an insertion direction of the core body, the rear cover being configured to close an opening of the outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699902.7A CN108528367B (en) | 2018-06-29 | 2018-06-29 | Wiring harness plug-in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699902.7A CN108528367B (en) | 2018-06-29 | 2018-06-29 | Wiring harness plug-in |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108528367A CN108528367A (en) | 2018-09-14 |
| CN108528367B true CN108528367B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810699902.7A Active CN108528367B (en) | 2018-06-29 | 2018-06-29 | Wiring harness plug-in |
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| Country | Link |
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| CN (1) | CN108528367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473921A (en) * | 2018-12-18 | 2019-03-15 | 安徽江淮汽车集团股份有限公司 | One kind being fixed easily formula water-proof wire bundle sheath |
| CN113859141B (en) * | 2021-09-08 | 2024-01-12 | 重庆长安汽车股份有限公司 | Automobile door harness connector and design method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6976865B2 (en) * | 2004-04-20 | 2005-12-20 | Hon Hai Precision Ind. Co., Ltd. | Cable end connector assembly having pull mechanism |
| CN201898227U (en) * | 2010-10-25 | 2011-07-13 | 周金隆 | Connector |
| CN204179598U (en) * | 2014-11-05 | 2015-02-25 | 北京汽车股份有限公司 | A kind of connector structure of automotive wire bundle and automobile |
| CN106384894B (en) * | 2016-08-31 | 2018-07-20 | 安徽江淮汽车集团股份有限公司 | A kind of harness male terminal assembly and its connection structure |
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2018
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| CN108528367A (en) | 2018-09-14 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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