CN212136799U

CN212136799U - Double-elbow female socket for wiring harness

Info

Publication number: CN212136799U
Application number: CN202020820009.8U
Authority: CN
Inventors: 谢承志; 谢逸云
Original assignee: Dongguan Synconn Precision Industry Co ltd
Current assignee: Dongguan Synconn Precision Industry Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-11
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to the field of connectors, in particular to a wire harness double-elbow female socket, which comprises a plastic shell, a buckling and fixing element arranged on the plastic shell and a terminal component arranged in the plastic shell; the plastic shell comprises a plastic shell and is characterized in that a protection part and a buckling part are arranged on one side of the plastic shell, the buckling part is located inside the protection part, a buckling and pressing fixing element is provided with a sliding groove which is slidably mounted on the buckling part, the buckling and pressing fixing element is located between the buckling part and the protection part, the sliding groove is provided with a positioning part, and the buckling part is provided with a positioning groove which is matched with the positioning part and used for positioning the buckling and pressing fixing element. The buckle is arranged in the buckling and pressing fixing element in a sliding mode, the buckling and pressing fixing element can be pressed against the buckle when the buckle is used, the buckle is prevented from bouncing, the buckling and pressing fixing element can be limited by the protection piece, the buckling and pressing fixing element is prevented from bouncing, the buckle is further enabled to be in a stable state, and a series of unsafe factors caused by automatic unlocking due to collision of products are avoided.

Description

Double-elbow female socket for wiring harness

Technical Field

The utility model relates to a connector field especially relates to a female seat of pencil double bend.

Background

A wire harness connector is one of terminals, and the connector is also called a plug connector and consists of a plug and a socket. The connector is a relay station of a wire harness in an automobile circuit, the connector product starts in the period of secondary war, is mainly applied to military enterprises, and the market is in the condition of greater supply and greater demand in terms of the supply of the connector and the wire harness at present along with the end of secondary war. The application and development of the universal connector and the wire harness in the field of automobiles in China have been over 50 years of history, and the wire harness connector product is applied to automobiles, household appliances, instruments, office equipment, commercial machines and electronic component lead electronic control boards and is applied to digital products, household appliances and automobile industry. With the increase of automobile functions and the common application of electronic control technology, more and more electrical parts and more electric wires are used, but the existing wiring harness connector can cause the unlocking of a product due to collision in the transportation and use process due to design problems, so that unsafe factors are generated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a can lock the female seat of pencil double bend that the connector made it can not unblock in the collision.

The utility model adopts the technical proposal that: a wire harness double-elbow female socket comprises a plastic shell, a buckling and fixing element and a terminal assembly, wherein the buckling and fixing element is installed on the plastic shell, and the terminal assembly is installed in the plastic shell; the plastic shell comprises a plastic shell and is characterized in that a protection part and a buckling part are arranged on one side of the plastic shell, the buckling part is located inside the protection part, a buckling and pressing fixing element is provided with a sliding groove which is slidably mounted on the buckling part, the buckling and pressing fixing element is located between the buckling part and the protection part, the sliding groove is provided with a positioning part, and the buckling part is provided with a positioning groove which is matched with the positioning part and used for positioning the buckling and pressing fixing element.

The technical scheme is further improved in that the buckling piece is provided with a step part and a clamping groove, the buckling and fixing element is provided with a U-shaped part, and the U-shaped part is buckled on the step part.

The technical scheme is further improved in that the buckling piece is provided with a first bulge, the first bulge is located on the inner side surface of the positioning groove, the buckling and fixing element is provided with a second bulge matched with the first bulge, and the second bulge is located on the outer side surface of the positioning portion.

The technical scheme is further improved in that the plastic shell is provided with a male head insertion groove and a notch, the male head insertion groove is communicated with the notch, one part of the terminal assembly is arranged in the male head insertion groove, and the clamping groove is communicated with the male head insertion groove through the notch.

The technical scheme is further improved in that the number of the male head insertion grooves is multiple, each male head insertion groove is provided with a terminal assembly, the number of the terminal assemblies is multiple, and the terminal assemblies are matched with the male head insertion grooves one by one.

The plastic shell is provided with a guide groove, the guide groove is positioned inside the positioning groove, and one end of the positioning part is positioned in the guide groove.

The technical scheme is further improved in that the terminal assembly comprises a copper pipe, a wire clamp and an insulator which are arranged on the copper pipe, a terminal arranged on the insulator, an insulating plug arranged on the insulator and an inner ferrule sleeved on the outer surface of the copper pipe; the plastic shell is provided with a mounting hole which is communicated with the male end insertion groove, the copper pipe is provided with a lotus head, the lotus head is installed in the terminal insertion groove through the mounting hole, and the inner sleeve is sleeved in the terminal insertion groove and used for preventing the copper pipe from being separated from the plastic shell.

The technical scheme is further improved in that the insulator is riveted inside the copper pipe, the insulating plug is riveted at one end of the insulator, the terminal is riveted inside the insulator, and the insulating plug is positioned between the tail of the terminal and the copper pipe.

The technical scheme is further improved in that the inner ring is riveted on the outer surface of the lotus head, protruding points are arranged on the outer surface of the lotus head, and the protruding points are located between the inner ring and the outer surface of the copper pipe.

The copper pipe is provided with a wire clamp part, and the wire clamp is in crimping connection with the wire clamp part.

The utility model has the advantages as follows: when the male terminal is inserted into the plastic shell and matched with the terminal assembly, the reverse buckle on the male terminal is matched with the clamping groove on the buckling piece to complete assembly, then the buckling fixing element slides towards the clamping groove direction, so that the buckling fixing element presses the clamping groove area on the buckling piece to prevent the buckling piece from upwards bouncing, the arranged protective shell can prevent the buckling fixing element from bouncing, the male terminal can be stably installed on the plastic shell and connected with the terminal assembly, the male terminal is prevented from being separated from the plastic shell and the terminal assembly due to collision, and unsafe factors are avoided.

Drawings

Fig. 1 is a schematic structural view of the wire harness double-elbow female socket of the present invention;

FIG. 2 is a top view of the dual elbow female socket of the wiring harness of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural view of the molded case of the wire harness double-elbow female seat of fig. 1;

FIG. 5 is a schematic view of another angle of the female seat of the wire harness double elbow of FIG. 4;

FIG. 6 is a schematic view of a fastening member of the female seat of the wire harness of FIG. 1;

fig. 7 is a schematic structural view of a terminal assembly of the double-elbow female socket of the wiring harness of fig. 1.

Description of reference numerals: 10-plastic shell, 11-protection piece, 12-buckling piece, 121-positioning groove, 122-step part, 123-clamping groove, 124-first protrusion, 13-male insertion groove, 14-notch, 15-guide groove, 16-mounting hole, 20-buckling fixing element, 21-positioning part, 22-U-shaped part, 23-second protrusion, 30-terminal component, 31-copper pipe, 311-lotus head, 312-salient point, 313-wire clamping part, 32-wire clamp, 33-insulator, 34-terminal, 35-insulating plug and 36-inner ferrule.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 7, the present invention provides a wire harness double-elbow female socket, which includes a plastic housing 10, a buckling and pressing fixing element 20, and a terminal assembly 30 installed in the plastic housing 10, wherein one side of the plastic housing 10 has a protection element 11 and a buckling element 12, the buckling element 12 is located inside the protection element 11, in this embodiment, the buckling element 12 is in an L-shaped configuration, the buckling element 12 is provided with a positioning slot 121 for positioning and buckling and pressing the fixing element 20, and the buckling element 12 has a step portion 1221 and a slot 123; the locking groove 123 is not communicated with the positioning groove 121. The fastener 12 has a first protrusion 124, and the first protrusion 124 is located on the inner side of the positioning slot 121. The fastening element 20 and the fastener 12 are both elastic and convenient for the customer to install and use.

The plastic housing 10 is provided with a male insertion groove 13 and a slot 14, the male insertion groove 13 is communicated with the slot 14, a part of the terminal assembly 30 is installed in the male insertion groove 13, and the card slot 123 is communicated with the male insertion groove 13 through the slot 14. The male insertion grooves 13 are plural, each male insertion groove 13 is mounted with a terminal assembly 30, the terminal assembly 30 is plural, and the plural terminal assemblies 30 are matched with the plural male insertion grooves 13 one by one. The plastic housing 10 is provided with a guide groove 15, and the guide groove 15 is located inside the positioning groove 121. The plastic housing 10 is provided with a mounting hole 16, and the mounting hole 16 communicates with the male insertion groove 13.

The buckling and pressing fixing element 20 is provided with a sliding groove (not shown) slidably mounted on the buckling member 12, the buckling and pressing fixing element 20 is located between the buckling member 12 and the protection member 11, the sliding groove is provided with a positioning portion 21, the positioning portion 21 is matched with the positioning groove 121, one end of the positioning portion 21 is located in the guide groove 15 for further positioning the buckling and pressing fixing element 20, the buckling and pressing fixing element 20 is provided with a U-shaped portion 22, and the U-shaped portion 22 is buckled on the step portion 122. The fastening element 20 has a second protrusion 23 matching with the first protrusion 124, and the second protrusion 23 is located on the outer side surface of the positioning portion 21.

Referring to fig. 7, the terminal assembly 30 includes a copper tube 31, a clip 32 and an insulator 33 mounted on the copper tube 31, a terminal 34 mounted on the insulator 33, an insulating plug 35 mounted on the insulator 33, and an inner ring 36 sleeved on the outer surface of the copper tube 31; the copper pipe 31 has a lotus head 311, the lotus head 311 is mounted in the terminal 34 insertion groove through the mounting hole 16, and the inner ferrule 36 is disposed in the male insertion groove 13 for preventing the copper pipe 31 from being separated from the plastic housing 10.

The insulator 33 is riveted inside the copper tube 31, the insulating plug 35 is riveted at one end of the insulator 33, the terminal 34 is riveted inside the insulator 33, and the insulating plug 35 is located between the tail of the terminal 34 and the copper tube 31. The inner ring 36 is riveted on the outer surface of the lotus head 311, the outer surface of the lotus head 311 is provided with a salient point 312, and the salient point 312 is positioned between the inner ring 36 and the outer surface of the copper pipe 31. The copper pipe 31 is provided with a clip 32 portion 313, and the clip 32 is crimped to the clip 32 portion 313. The arrangement of the convex points 312 can increase the stability between the inner collar 36 and the lotus head 311, and prevent the lotus head 311 from sliding out of the inner collar 36 and further separating from the plastic shell 10; since the copper pipe 31 only passes through the mounting hole 16 and is not fixed to the mounting hole 16, the copper pipe 31 can rotate relative to the mounting hole 16, so that the installation and use of a customer are facilitated; the insulating plug 35 is positioned between the tail part of the terminal 34 and the copper tube 31, so that the problem of short circuit after the contact between the terminal 34 and the copper tube 31 can be effectively prevented; the insulator 33 and the insulating plug 35 are made of one of thermoplastic polyester, polyamide resin, ABS resin, and polycarbonate.

In the present embodiment, the plastic housing 10, the crimping fixing element 20, the copper tube 31, the insulator 33, the terminal 34, the insulating plug 35, the inner collar 36 and the wire clip 32 are all independently processed; thus, after the plastic shell 10, the buckling and fixing element 20, the copper pipe 31, the insulator 33, the terminal 34, the insulating plug 35, the inner ferrule 36 and the wire clamp 32 are assembled into a whole, the integral holding force strength can be increased, and the product has good stability; and the product cost can be reduced on the premise of meeting the related performances of high frequency, machinery and the like.

The utility model discloses a theory of operation does: the plastic shell 10, the buckling and fixing element 20, the copper pipe 31, the insulator 33, the terminal 34, the insulating plug 35, the inner ferrule 36 and the wire clamp 32 are manufactured by independent molding of dies, so that the product cost is reduced on the premise of meeting related performances of high frequency, machinery and the like; since the copper pipe 31 is not fixed in the mounting hole 16, the terminal assembly 30 can rotate relative to the plastic housing 10, which is convenient for a customer to use; the fastening fixing element 20 is slidably mounted on the fastener 12, when the male terminal is inserted into the male terminal insertion slot 13, the slot 123 of the fastener 12 matches with the fastener on the male terminal to complete the assembly of the male terminal, and then the fastening fixing element 20 slides toward the slot 123, so that the fastening fixing element 20 is completely fastened on the fastener 12, and at this time, the fastening fixing element 20 presses the fastener 12 to prevent the fastener 12 from being bounced by external force, so that the male terminal is separated from the plastic shell 10 and the terminal assembly 30, and the protection element 11 is further limited to the position of the fastening fixing element 20 to prevent the fastening fixing element 20 from bouncing.

The utility model discloses an assembly process flow does: first, the terminal 34 and the insulator 33 are swaged into one piece. Second, the wires (not shown) are soldered to the terminals 34. And thirdly, riveting an insulating plug 35 at the tail part of the insulator 33 close to the terminal 34, thereby effectively preventing the short circuit problem after the terminal 34 is contacted with the copper tube 31. And fourthly, braiding and crimping the wire clamp 32 and the wire. And fifthly, fixedly pressing the clamp part 313 of the copper pipe 31 and the clamp 32. Sixthly, the insulator 33 which is assembled is placed in the unfolded copper tube 31, and then the unfolded copper tube 31 is pressed, thereby completing the assembly of the terminal assembly 30. And a seventh step of riveting the completed terminal assembly 30 into the plastic housing 10. And eighthly, riveting and fixing the inner ring 36 and the lotus head 311, so that the product holding force is improved, and the stability of the lotus head 311 is controlled. And ninthly, manually installing the buckling and fixing element 20 into the plastic shell 10 to complete the assembly.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wire harness double-elbow female socket is characterized by comprising a plastic shell, a buckling and fixing element and a terminal assembly, wherein the buckling and fixing element is installed on the plastic shell; the plastic shell comprises a plastic shell and is characterized in that a protection part and a buckling part are arranged on one side of the plastic shell, the buckling part is located inside the protection part, a buckling and pressing fixing element is provided with a sliding groove which is slidably mounted on the buckling part, the buckling and pressing fixing element is located between the buckling part and the protection part, the sliding groove is provided with a positioning part, and the buckling part is provided with a positioning groove which is matched with the positioning part and used for positioning the buckling and pressing fixing element.

2. The harness double elbow female socket according to claim 1, wherein the snap member has a step portion and a snap groove, and the crimping fixing element has a U-shaped portion, and the U-shaped portion is snapped onto the step portion.

3. The female seat of double-elbow harness as claimed in claim 2, wherein the fastener has a first protrusion located on the inner side of the positioning groove, the fastening and fixing member has a second protrusion matching with the first protrusion, and the second protrusion is located on the outer side of the positioning portion.

4. The wire harness double-elbow female socket according to claim 2, wherein the plastic housing is provided with a male insertion slot and a slot, the male insertion slot communicating with the slot, the terminal assembly being partially installed in the male insertion slot, the slot communicating with the male insertion slot through the slot.

5. The wire harness double-elbow female socket according to claim 4, wherein there are a plurality of male insertion slots, each male insertion slot being fitted with a terminal assembly, there being a plurality of terminal assemblies, the plurality of terminal assemblies being one-to-one mated with the plurality of male insertion slots.

6. The female seat of double-elbow for wire harness as claimed in claim 4, wherein the plastic housing is provided with a guide groove, the guide groove is located inside the positioning groove, and one end of the positioning portion is located in the guide groove.

7. The wire harness double-elbow female socket according to claim 4, wherein the terminal assembly comprises a copper tube, a wire clamp and an insulator mounted on the copper tube, a terminal mounted on the insulator, an insulating plug mounted on the insulator, and an inner ferrule sleeved on an outer surface of the copper tube; the plastic shell is provided with a mounting hole which is communicated with the male head insertion groove, the copper pipe is provided with a lotus head, the lotus head is installed in the male head insertion groove through the mounting hole, and the inner ferrule is positioned in the male head insertion groove and used for preventing the copper pipe from being separated from the plastic shell.

8. The wire harness double-elbow female socket according to claim 7, wherein the insulator is riveted inside the copper tube, the insulating plug is riveted at one end of the insulator, the terminal is riveted inside the insulator, and the insulating plug is located between the terminal tail and the copper tube.

9. The wire harness double-elbow female socket according to claim 7, wherein the inner ferrule is riveted on the outer surface of the lotus head, the outer surface of the lotus head is provided with a salient point, and the salient point is positioned between the inner ferrule and the outer surface of the copper pipe.

10. The female seat of a wire harness double elbow according to claim 7, wherein the copper pipe is provided with a wire clamp portion, and the wire clamp is crimped to the wire clamp portion.