CN213184856U

CN213184856U - Quick connector for current

Info

Publication number: CN213184856U
Application number: CN202021749611.3U
Authority: CN
Inventors: 唐明贤
Original assignee: Dongguan Tingzi Electronic Co ltd
Current assignee: Dongguan tingzi Health Technology Co.,Ltd.
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-11
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a current quick connector, which is provided with a first connector and a second connector which are matched and spliced with each other, wherein the first connector comprises a male terminal, the male terminal is provided with a blade type contact part and a first wiring part, and the blade type contact part is a multilayer structure with a folding structure; the second connector comprises a female terminal, the female terminal is provided with a slot type contact part and a second wiring part, and the slot type contact part meets the requirement that the blade type contact part of the male terminal is inserted and connected to realize electrical conduction; the appearance of the plugging end of the second connector is matched and plugged with the plugging port of the first connector, and the connection and conduction between the cables are achieved through the connection and conduction of the first connector and the second connector, so that the current transmission requirement is met. Simple structure, the cost of manufacture is low, and the plug connection is stable, reliable between first connector and the second connector, and difficult pine takes off, guarantees the conductive connection of public terminal and female terminal, accords with electric current high-speed joint requirement and standard, accords with the industry and utilizes.

Description

Quick connector for current

Technical Field

The utility model belongs to the technical field of the electric connector technique and specifically relates to a quick connector of electric current connection is related to.

Background

The electric connector is composed of a female connector and a male connector which are detachably connected, and the current quick connector is used as one of the electric connectors and widely applied to the fields of machinery, electronic equipment, aviation and the like. A conventional quick connector for current connection is a component for cable butt-jointing, and when the cable is not long enough, a butt-joint connector is often needed to connect the cables. However, the current quick connector has a complex structure and high manufacturing cost; or the connection performance is weakened, the current transmission is unstable, and the service life is short, so that improvement is required.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a current quick connector, simple structure pegs graft firmly, effective, and the practicality is strong.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a current quick connector having:

the first connector comprises a first insulating shell and a male terminal accommodated in the first shell, the first insulating shell is provided with a first plugging end and a first wiring end, and the first plugging end is provided with a first plugging port; the male terminal is provided with a blade type contact part and a first wiring part, the blade type contact part is of a multilayer structure with a folding structure, and the blade type contact part is positioned in the first inserting port; the first wiring part is in conductive connection with the corresponding cable at a first wiring end of the first insulating shell;

the second connector comprises a second insulating shell and a female terminal accommodated in the second shell, the second insulating shell is provided with a second plugging end and a second wiring end, and the second plugging end is provided with a second plugging port; the female terminal is provided with a slot type contact part and a second wiring part, and the slot type contact part meets the requirement of inserting and connecting the blade type contact part of the male terminal to realize electrical conduction; the appearance of the second plugging end is matched and plugged with the first plugging port of the first insulating shell, and the second wiring part is in conduction connection with the corresponding cable at the second wiring end of the second insulating shell.

In the above scheme, the blade-type contact portion of the male terminal further includes a first bottom plate and a folded piece folded backward from the insertion end of the first bottom plate, and a gap is left between the folded piece and the first bottom plate, and the gap is gradually enlarged along the folding direction of the folded piece.

In the above-mentioned solution, the slot-in type contact portion of the female terminal is provided with a protruding snap and a stop portion, the snap acts on the surface of the blade type contact portion of the male terminal or a preset female snap position, and the stop portion limits the insertion depth of the blade type contact portion of the male terminal.

The above scheme is further that the section of the slot-in type contact part of the female terminal is in a glasses shape, the slot-in type contact part comprises a second bottom sheet and a modeling sheet which is bent upwards from the left side and the right side of the second bottom sheet, the bending amplitude and the shape of the left modeling sheet and the right modeling sheet are consistent, the bending tail end of the modeling sheet is away from the second bottom sheet by a first distance, and the first distance is matched with the thickness of the blade type contact part of the male terminal.

In the above aspect, the bent end of the shaping sheet is provided with a tooth opening along the insertion direction of the blade type contact part.

The scheme is further that the first insulating shell and the second insulating shell are plastic injection-molded parts, the first wiring end and the second wiring end form wiring tail sleeves, and the wiring tail sleeves are subjected to anti-impact pressure treatment; the first wiring portion of the male terminal and the second wiring portion of the female terminal are both formed into wiring tubes facilitating insertion of wire cores of cables.

The utility model discloses simple structure, the cost of manufacture is low, and plug connection is stable, reliable between first connector and the second connector, and difficult pine takes off, guarantees the on-state connection of public terminal and female terminal, accords with electric current high-speed joint requirement and standard, and the practicality is strong, accords with the industrial utilization.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a perspective view of the first connector of the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of a first plug end of the embodiment of FIG. 2;

FIG. 4 is a schematic diagram of a first terminal structure of the embodiment of FIG. 2;

FIG. 5 is a perspective view of a second connector of the embodiment of FIG. 1;

FIG. 6 is a schematic diagram of a second plug end of the embodiment of FIG. 5;

FIG. 7 is a schematic diagram of a second terminal structure of the embodiment of FIG. 5;

FIG. 8 is a schematic view of the male terminal of the embodiment of FIG. 1;

FIG. 9 is a left side view of the male terminal of the embodiment of FIG. 8;

FIG. 10 is a top view of the male terminal of the embodiment of FIG. 8;

FIG. 11 is a schematic view of the female terminal structure of the embodiment of FIG. 1;

FIG. 12 is a left side view of the female terminal of the embodiment of FIG. 11;

fig. 13 is a top view of the female terminal of the embodiment of fig. 11.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-13, which are drawings of the preferred embodiment of the present invention, the present invention relates to a current quick connector, which has a first connector 1 and a second connector 2 that are mated and plugged with each other, and the first connector 1 and the second connector 2 are connected and conducted to connect and conduct between cables, so as to satisfy the current transmission requirement.

Referring to fig. 1 to 13, in the present embodiment, the first connector 1 includes a first insulating housing 11 and a male terminal 12 accommodated in the first housing, the first insulating housing 11 has a first plugging end 111 and a first terminal 112, the first plugging end 111 has a first plugging port 113; the male terminal 12 has a blade contact portion 121 and a first wire connecting portion 122, the blade contact portion 121 is a multi-layer structure with a folded structure, the manufacturing is convenient, the manufacturing cost is low, and the blade contact portion 121 is positioned in the first inserting port 113 so as to facilitate the inserting and electrical conduction. The first wire connecting portion 122 is conductively connected to the corresponding cable at the first terminal 112 of the first insulative housing. The second connector 2 includes a second insulating housing 21 and a female terminal 22 accommodated in the second housing, the second insulating housing 21 has a second inserting end 211 and a second terminal end 212, and the second inserting end is provided with a second inserting port 213; the female terminal 22 has a slot-type contact portion 221 and a second wiring portion 222, and the slot-type contact portion 221 satisfies the insertion connection of the blade-type contact portion of the male terminal, so as to achieve electrical conduction. The second plug end 212 is matched and plugged with the first plug port 113 of the first insulating housing in shape to obtain corresponding guiding and limiting, and meanwhile, the plug-in connection between the protection slot type contact part 221 and the blade type contact part 121 is increased, so that the dustproof and anti-creeping effects are achieved. The slot-type contact portion 221 of the female terminal 22 is positioned in the second jack 213, the second jack terminal protects and restricts the slot-type contact portion 221, and the second wire connection portion 222 is conductively connected to the corresponding cable at the second terminal 212 of the second insulating housing. Furthermore, the first insulating housing 11 and the second insulating housing 21 of the present embodiment are both plastic injection molded parts, which is convenient for manufacturing and low in cost; the first terminal 112 of the first insulating housing 11 and the second terminal 212 of the second insulating housing 21 both form a terminal sleeve, and the terminal sleeve is subjected to anti-stamping treatment, so that the strength and tightness of a wiring part can be further increased, and the dustproof and waterproof functions are added; the first wiring portion 122 of the male terminal 12 and the second wiring portion 222 of the female terminal 22 are both formed into wiring tubes for facilitating insertion of wire cores of cables, and the inner sides of the wiring tubes are provided with wire grabbing lines to increase wiring performance and conductivity. In this embodiment, the first wiring portion 122 of the male terminal 12 and the second wiring portion 222 of the female terminal 22 are respectively fixed by punching after being sleeved with wires in the first terminal 112 of the first insulating housing 11 and the second terminal 212 of the second insulating housing 21, and at this time, the wiring tail sleeves formed by the first terminal 112 of the first insulating housing 11 and the second terminal 212 of the second insulating housing 21 are subjected to anti-impact processing, so that the cables are conveniently punched and riveted, and meanwhile, the cables are not easy to break, and the manufacturing is optimized. The common impact and compression resistance modification during stamping resistance treatment mainly utilizes an impact resistance modifier to improve the low-temperature embrittlement of a high polymer material, endows the high polymer material with higher toughness, ensures that the high polymer material is not easy to be brittle and fragile, and can resist extrusion impact under the condition of keeping the hardness of a product.

Referring to fig. 8, 9 and 10, in the embodiment, the male terminal 12 is a stamping part, the blade-type contact portion 121 of the male terminal 12 includes a first bottom plate 1211 and a folded piece 1212 folded back from the insertion end of the first bottom plate, a gap is left between the folded piece 1212 and the first bottom plate 1211, the gap is gradually enlarged along the folded direction of the folded piece, a floating space provided by the gap is utilized, and elasticity of the folded piece 1212 relative to the first bottom plate 1211 is utilized, so that the blade-type contact portion 121 is inserted into the slot-type contact portion 221 of the female terminal to obtain a tightening effect, contact performance and insertion force are increased, good electrical conduction is obtained, insertion holding force is large, and the blade-type contact portion is not easily released.

Referring to fig. 11, 12 and 13, in the present embodiment, the female terminal 22 is a stamping, the slot-type contact portion 221 of the female terminal matches the shape of the blade-type contact portion 121 of the male terminal 12, and the slot-type contact portion 221 is provided with a protruding snap 2211 and a stopping portion 2212. In this embodiment, the elastic buckle 2211 and the stopping portion 2212 are respectively formed by stamping the corresponding portions of the slot-type contact portion 221 and protrude into the slot-type contact portion 221, so that the structure is simple and the manufacturing is convenient. The snap 2211 acts on the surface of the blade contact 121 of the male terminal or on a predetermined concave snap 1213, which is predetermined at a corresponding position of the blade contact 121 and interacts with the snap 2211 to increase the insertion/extraction performance and improve the stability and reliability of the insertion of the blade contact 121 into the slot contact 221. The stop 2212 limits the insertion depth of the blade contact 121 of the male terminal, giving good positioning and insertion. In this embodiment, the male terminal 12 is further provided with a corresponding stop wing 123, and the stop wing 123 presses against the end of the slot-type contact portion 221, so as to limit the insertion depth of the blade-type contact portion 121 of the male terminal, and provide good positioning and insertion performance. Referring to fig. 11, 12 and 13, in the present embodiment, the cross-section of the slot-type contact portion 221 of the female terminal is in the shape of a glasses, the slot-type contact portion 221 includes a second bottom sheet 2213 and a shaping sheet 2214 bent upward from the left and right sides of the second bottom sheet, the bending range and shape of the left and right shaping sheets 2214 are consistent, and the bending end of the shaping sheet is separated from the second bottom sheet by a first distance, which is matched with the thickness of the blade-type contact portion of the male terminal, so that the bending end of the shaping sheet and the second bottom sheet form an effect of vertically clamping the blade-type contact portion, and the bending ends of the left and right shaping sheets are spaced apart to obtain a multi-point contact blade-type contact portion, thereby increasing the holding force. Furthermore, the bent end of the shaping sheet is provided with notches 2215 along the insertion direction of the blade type contact part, the number of the notches 2215 is selected according to actual needs, and the insertion and extraction performance is improved by utilizing the structural characteristics of the notches 2215.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. A quick connector for electric current, comprising:

the first connector comprises a first insulating shell and a male terminal accommodated in the first insulating shell, the first insulating shell is provided with a first plugging end and a first wiring end, and the first plugging end is provided with a first plugging port; the male terminal is provided with a blade type contact part and a first wiring part, the blade type contact part is of a multilayer structure with a folding structure, and the blade type contact part is positioned in the first inserting port; the first wiring part is in conductive connection with the corresponding cable at a first wiring end of the first insulating shell;

the second connector comprises a second insulating shell and a female terminal accommodated in the second insulating shell, the second insulating shell is provided with a second plugging end and a second wiring end, and the second plugging end is provided with a second plugging port; the female terminal is provided with a slot type contact part and a second wiring part, and the slot type contact part meets the requirement of inserting and connecting the blade type contact part of the male terminal to realize electrical conduction; the appearance of the second plugging end is matched and plugged with the first plugging port of the first insulating shell, and the second wiring part is in conduction connection with the corresponding cable at the second wiring end of the second insulating shell.

2. The quick current connector of claim 1, wherein the blade-type contact portion of the male terminal comprises a first bottom plate and a folded piece folded backward from the insertion end of the first bottom plate, and a gap is left between the folded piece and the first bottom plate, and the gap gradually increases along the folding direction of the folded piece.

3. The electrical quick connector as claimed in claim 1, wherein the female terminal has a male contact portion with a male contact portion and a female contact portion, the male contact portion has a male contact portion with a female contact portion and a female contact portion with a female contact portion, the female contact portion has a male contact portion with a female contact portion, and the female contact portion has a female contact portion with a female contact portion.

4. The quick current connector as claimed in claim 1 or 3, wherein the slot-type contact portion of the female terminal comprises a second base plate and a shape piece bent upward from the left and right sides of the second base plate, the left and right shape pieces are bent in the same width and shape, and the bent end of the shape piece is spaced from the second base plate by a first distance matching the thickness of the blade-type contact portion of the male terminal.

5. The current quick connector according to claim 4 wherein the bent end of the blade is notched in the direction of insertion of the blade contact.

6. The current quick connector according to claim 1, wherein the first and second insulating housings are plastic injection molded parts, and the first and second terminals form a terminal sleeve and are subjected to anti-impact processing; the first wiring portion of the male terminal and the second wiring portion of the female terminal are both formed into wiring tubes facilitating insertion of wire cores of cables.