CN203481445U - USB plug connector - Google Patents
USB plug connector Download PDFInfo
- Publication number
- CN203481445U CN203481445U CN201320613749.4U CN201320613749U CN203481445U CN 203481445 U CN203481445 U CN 203481445U CN 201320613749 U CN201320613749 U CN 201320613749U CN 203481445 U CN203481445 U CN 203481445U
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- Prior art keywords
- rear end
- conducting terminal
- insulating body
- terminal
- conducting
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Abstract
The utility model relates to a USB plug connector comprising an insulator body, conductive terminals, a metal cover, a rear cover body, and an insulation outer sleeve body. A rear end of a protruding edge of the insulator body close to a side edge is provided with two punching holes, and a front end of the rear cover body, which is extended toward two sides, can be extended downward to form clamping arms. Inner sides of the ends of the clamping arms are provided with clamping flanges. An inner part of a rear end of the rear cover body is provided with accommodation chambers, in which are inserted leads. An upper clamping surface and a lower clamping surface of each of the accommodation chambers are provided with arc-shaped recessed surfaces, which are in an intersected arrangement. The lower clamping surfaces are provided with through holes facing downwards, and the clamping arms are connected with outer sides of clamping edge grooves of the insulator body in a clamped manner. The conductive terminals are connected by a connecting board and a connecting part to form an integrated structure, and the conductive terminals are disposed in the insulator body, and the middle conductive terminal can be inserted in the position of the assembly size completely once, and therefore the connecting part and the connecting board can be conveniently cut; and then the two conductive terminals on the side edges can be inserted in the assembly positions of the connector, and the whole process can be completed by three steps, and therefore the production efficiency is high, and the yield is high.
Description
Technical field
The utility model relates to USB connector, specifically, relates to a kind of USB plug connector without being welded to connect line.
Background technology
USB connector adopts the cable of four lines, and wherein two is for transmitting the serial-port of data, and another two provide power supply for upstream device.Its one end connects computer USB interface, and the other end connects computer peripheral, wherein connects the public mouth of USB of the employing standard of computer USB interface, is called again A type plug in industry.At present, this A type plug, is connected and conventionally adopts welding manner, but welding manner manufacturing cost is higher with the cable of four lines, and equipment requirement is also higher, and in USB connector production process, and welding also needs larger time of cost and human resources, device resource.And after having manufactured, USB connector length of cable is just difficult to adjust.
In order to solve the problems of the technologies described above, we can adopt the crystal head pressing puncture mode of telephone wire or netting twine to connect connecting line, but the A type plug of the connector of the puncture of pressing in the market mode, its connector component location is inaccurate, structure is too complicated, cost of goods manufactured and difficulty can be increased, and the fraction defective of product can be increased.4 most monomer structures of conducting terminal of A type plug, in installation process, efficiency is lower, and is difficult to location.
In addition, conducting terminal is the metallic coil plate material by plane, through punching press blank, stretch, tear, bending forms, current processing mode, conducting terminal after processing is loose mail, 4 conducting terminals are that quadruplet diel is through punching press blank, stretch, tear, bending, and it is sub to form 4 butts, mould is that the speed of 360～400 times per minute is in operation when punching press, be that output per minute is 360～400 butt, because be 4 molds, be that output per minute is 90～100 cover products, when conducting terminal is when packing connector into, because terminal is single, need in the plastic parts of single insertion connector, therefore need to insert 4 times, and push 4 times, in the course of processing, because conducting terminal sequence is hard row, during insertion, be pre-inserted, also need to push again and navigate to fitted position, need 8 operations to complete, conducting terminal because of operation many, adopt processing equipment automaton volume larger, materials are more, cost is higher.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, provides simple in structure, USB plug connector easy to assembly.
For achieving the above object, the utility model adopts following technical scheme:
A kind of USB plug connector, it comprises insulating body, conducting terminal, metal cap, rear cover body and insulating coating body, wherein conducting terminal has 4, conducting terminal is contained in insulating body, rear end at 4 conducting terminals is upwards convexly equipped with pricker, rear cover body installing insulating body rear, metal cap is coated on the outside of insulating body and rear cover body, insulating coating body is set in metal cap rear end, the groove of accommodating 4 conducting terminals of insulating body front end, in the middle of insulating body, be provided with fin, fin downside is provided with 4 terminal perforation, both sides, insulating body rear end side position is provided with upper and lower two groups of edge grooves, in edge groove rear end, be provided with the reference column of restriction rear cover body position, fin rear end on the insulating body side position that keeps to the side is provided with 2 hole punchings, in centre position, insulating body rear end, extend forward the groove that is provided with accommodating 4 terminals, conducting terminal rear end downside is contained in groove, the front end of rear cover body is to both sides extension and extend to form snap-arms downwards, it is stupefied that inner side, snap-arms end is provided with card, the inside, rear end of rear cover body is provided with the containing cavity of grafting wire, the card access surface up and down of containing cavity is provided with circular arc concave surface, circular arc concave surface is crossing shape, lower card access surface is worn slotted eye to dividing into, the edge groove outside of snap-arms clamping insulating body, 4 conducting terminal front ends are contained in terminal edge groove through terminal perforation.
Conducting terminal and avris conducting terminal in the middle of 4 described conducting terminals are divided into, conducting terminal comprises the contact jaw of front end, middle brace and rear end puncture portion; The downward die-cut stopping elastic sheet that has of middle brace front end of middle conducting terminal, the middle brace rear end of middle conducting terminal is provided with connecting portion that can be die-cut and is connected with the middle brace front end of avris conducting terminal; The brace integral body of avris conducting terminal is L-shaped, is provided with fin in the middle of its insulating body, and rear end forward end is extended and connected rear end puncture portion, and in the brace rear end of two avris conducting terminals, being connected with can be die-cut and be convenient to the connecting plate of its installation; 4 conducting terminals adopt the die-cut bending of full wafer metallic plate to form.
Two groups of screens grooves before and after the insulating body of described hole punching rear end is provided with, the rear end of avris conducting terminal is provided with stopping elastic sheet, and stopping elastic sheet overhead is in screens groove.
[0010]the beneficial effects of the utility model are: USB plug connector of the present utility model, 4 conducting terminals connect as one structure by connecting portion and connecting plate that can be die-cut, when conducting terminal packs insulating body into, can once two conducting terminals of centre be inserted into completely to the position of fitted position, the connecting portion of two conducting terminals in the middle of can easily cutting off by hole punching, and cut the connecting plate that avris connects two conducting terminals simultaneously, and then two conducting terminals of avris are inserted into the assembling position of connector, whole process only needs 3 operations to complete, production efficiency is high, rate of finished products is high, the stopping elastic sheet of conducting terminal also can easily be connected on insulating body, make to install rear conducting terminal accurate positioning, and be difficult for sliding, when connecting connecting line, applying external force presses down rear cover body, make pricker pass the slotted eye of rear cover body lower end, and puncture the insulated hull of connecting line, be electrically connected with wire, because the card access surface up and down of containing cavity has circular arc concave surface, circular arc concave surface is crossing shape, with connecting line close contact, can effectively prevent that connecting line from becoming flexible landing.
Accompanying drawing explanation
Fig. 1 is mounting structure figure of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is that the utility model removes metal cap and insulating coating body, the structure chart being connected with connecting line;
Fig. 4 is the stereogram of insulating body of the present utility model;
Fig. 5 is the stereogram at another visual angle of insulating body of the present utility model;
Fig. 6 is the stereogram 2 at another visual angle of insulating body of the present utility model;
Fig. 7 is the stereogram of conducting terminal of the present utility model;
Fig. 8 is the stereogram before conducting terminal of the present utility model is installed;
Fig. 9 is the preliminary stereogram of installing of conducting terminal of the present utility model and insulating body;
Figure 10 is the stereogram of conducting terminal of the present utility model and insulating body installation;
Figure 11 is the stereogram of rear cover body of the present utility model;
Figure 12 is the three-dimensional cutaway view of rear cover body of the present utility model;
Figure 13 is the cutaway view that the utility model is connected with connecting line;
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail:
As shown in Fig. 1-13, the disclosed a kind of USB plug connector of the utility model, it comprises insulating body 1, conducting terminal 2, rear cover body 3, metal cap 4 and insulating coating body 5, wherein conducting terminal 2 has 4, conducting terminal 2 is contained in insulating body 1, in the rear end of 4 conducting terminals 2, is upwards convexly equipped with puncture needle, rear cover body 3 installing insulating main body 1 rear ends, metal cap 4 is coated on the outside of insulating body 1 and rear cover body 3, and insulating coating body 5 is set in metal cap 4 rear ends.
4 termination recess 11 of insulating body 1 front end; In the middle of insulating body 1, be provided with fin 12, fin 12 downsides are provided with 4 terminal perforation 13, and during installation, conducting terminal is arranged in the groove 11 of insulating body 1 through terminal perforation 13.Insulating body 1 both sides, rear end side position is provided with upper and lower two groups of edge grooves 15,16, in edge groove 15 rear ends, be provided with the reference column 17 of restriction rear cover body 3 positions, fin 12 rear ends on insulating body 1 side position that keeps to the side is provided with 2 hole punchings 18, in insulating body 1 centre position, rear end, extend forward 4 termination recess 11, after conducting terminal 1 is installed, conducting terminal rear end downside is contained in groove 11.
The front end of rear cover body 3 is to both sides extension and extend to form snap-arms 31 downwards, snap-arms 31 inner sides, end are provided with card stupefied 32, the inside, rear end of rear cover body 3 is provided with the containing cavity 33 of grafting wire, the card access surface up and down of containing cavity has circular arc concave surface 34, circular arc concave surface 34 is crossing shape, lower card access surface is worn slotted eye 35 to dividing into, edge groove 15,16 outsides of snap-arms 31 clamping insulating bodies 1, and 4 conducting terminal 2 front ends are contained in termination recess 11 through terminal perforation 13.
During preliminary installation, first rear cover body 3 installing cards are located on edge groove 15, when inserting the wire 7 of connecting line 6, can apply external force, make the card stupefied 32 of the snap-arms 31 of rear cover body 3 move downward clamping edge groove 16, the insulated hull of the wire 7 through connecting line 6 of conducting terminal, contacts with the metal wire of wire 7 simultaneously, and circular arc concave surface 34 closely compresses with wire 7.
4 described conducting terminals 2 comprise 21,22 and two avris conducting terminals 23,24 of two middle conducting terminals, and conducting terminal 2 structures can be divided into front end contact jaw 201, middle brace 202 and rear end puncture portion 203; The downward die-cut stopping elastic sheet 204 that has of middle brace 202 front ends of middle conducting terminal 21,22, middle brace 202 rear ends of middle conducting terminal 21,22 are provided with connecting portion 206 that can be die-cut and are connected with middle brace 202 front ends of avris conducting terminal 23,24; The middle brace 202 of avris conducting terminal 23,24 is whole L-shaped, it is through the fin 12 of insulating body 1, rear end forward end is extended the rear end puncture portion 203 that connects, described pricker arranges in puncture portion 203, and in middle brace 202 rear ends of two avris conducting terminals 23,24, being connected with can be die-cut and be convenient to the connecting plate 205 of its installation; 4 conducting terminals 2 adopt the die-cut bending of full wafer metallic plate to form.
Two groups of screens grooves 14 before and after the insulating body 1 of described hole punching 18 rear ends is provided with, conducting terminal 2 rear end stopping elastic sheets 204, stopping elastic sheet 204 overheads are in screens groove 14.So just can guarantee that conducting terminal 2 is stable is arranged on insulating body 1, prevents that it is loosening.
The processing method of the disclosed USB plug connector of the utility model, described insulating body 1 adopts injection moulding mode, and 12 rear ends of the fin on insulating body 1 side position that keeps to the side injects hole punching 18, termination recess 11, edge groove 15, 16 and screens groove 14, described conducting terminal 2 adopts block of metal punching press, and pass through connecting portion 206 by two middle conducting terminals 21, 22 with avris conducting terminal 23, 24 link together, by connecting plate 205, two avris conducting terminals are connected into as a whole, do as a whole stretching, tear, bending, make 4 conducting terminals 2 that are integrally connected, these 4 conducting terminals that are connected 2 are inserted in insulating body 1, two butt 21 are conducted electricity in centre, 22 insert the rigging position of insulating body 1 completely, by pressing equipment, pass hole punching 18 again, conducting terminal 21 in the middle of cutting off two, 22 and two avris conducting terminals 23, 24 connecting portion 206, to be connected to two avris conducting terminals 23 simultaneously, 24 connecting plate 205 cuts, and then by avris two butt 23, 24 are inserted into the rigging position of insulating body 1, again rear cover body 3 is arranged on to insulating body 1 rear end, then by the containing cavity 33 of 4 wire 7 insertion rear cover bodies 3 in connecting line 6, press down rear cover body 3, the pricker of conducting terminal 2 is through the insulated hull of wire 7, contact with the metal wire of wire 7, metal cap 4 is coated on insulating body 1 outside, and insulating coating body 5 is coated on to metal cap 4 rear ends.
This processing method and traditional processing contrast are as follows:
Traditional processing method, 4 butt are that quadruplet diel is through punching press blank, stretch, tear, bending, and it is sub to form 4 butts, mould is that the speed of 360～400 times per minute is in operation when punching press, be that output per minute is 360～400 butt, because be 4 molds, be that output per minute is 90～100 cover products, adopt new processing method, same through punching press blank, stretch, tear, bending, form terminal, and terminal adopts front-back staggered to reach the fixed dimension on terminal space, and the reasonable clearance material having utilized between terminal and terminal on structure space, thereby terminal can be produced on a mold, mould is consistent with the speed of response of old operation (360～400 beats/min) when punching press, but output be but 360～400 cover/minute, in production efficiency, be 4 times of old operation, if old operation needs output 360～400 covers per minute, just need 4 high velocity ram machines, 4 molds and 4 operating personnels, and new machining method only needs 1 high velocity ram machine, 1 mold and 1 operating personnel, save a large amount of production costs.And in assembling process, the terminal that traditional stamping procedure is produced is when packing connector into, because terminal is single, need in the plastic parts of single insertion connector, therefore need to insert 4 times, and push 4 times, (in the course of processing, because old terminal sequence is hard row, during insertion, be pre-inserted, also need to push again and navigate to fitted position), need 8 operations to complete, when the terminal that new stamping procedure is produced packs connector into, because terminal is an integral body, and terminal sequence is horizontally-arranged, when inserting connector, can once two butt of centre be inserted into completely to the position of fitted position, the junction of two butt on two butt and limit in the middle of cutting off again, and then two butt on limit are inserted into the assembling position of connector, whole process only needs 3 operations to complete.
At when assembling traditional terminal and terminal of the present utility model, all to complete assembling by nonstandard automaton, old terminal because of operation many, automaton volume is larger, materials are more, cost is higher, and new terminal operation is few, still less, volume is less for the material that its automaton uses, cost is lower, and the automatic assembling machine cost of old terminal is the twice of new terminal automatic assembling machine cost.
In a word, USB plug connector of the present utility model, its manufacturing procedure is simple, and production efficiency is high, and the product reliability of producing is high, and rate of finished products is high, in process of production, saves a large amount of manpower and materials, greatly pin connector production cost.
The above is only to preferred embodiment of the present utility model; not scope of the present utility model is limited; therefore do not departing under the prerequisite of the utility model design spirit; equivalence that the common engineers and technicians in this area do structure described in the utility model, feature and principle changes or decorates, and all should fall in the protection range that the utility model applies for a patent.
Claims (3)
1. a USB plug connector, it comprises insulating body, conducting terminal, metal cap, rear cover body and insulating coating body, wherein conducting terminal has 4, conducting terminal is contained in insulating body, rear end at 4 conducting terminals is upwards convexly equipped with pricker, rear cover body installing insulating body rear, metal cap is coated on the outside of insulating body and rear cover body, insulating coating body is set in metal cap rear end, it is characterized in that: the groove of accommodating 4 conducting terminals of insulating body front end, in the middle of insulating body, be provided with fin, fin downside is provided with 4 terminal perforation, both sides, insulating body rear end side position is provided with upper and lower two groups of edge grooves, in edge groove rear end, be provided with the reference column of restriction rear cover body position, fin rear end on the insulating body side position that keeps to the side is provided with 2 hole punchings, in centre position, insulating body rear end, extend forward the groove that is provided with accommodating 4 terminals, conducting terminal rear end downside is contained in groove, the front end of rear cover body is to both sides extension and extend to form snap-arms downwards, it is stupefied that inner side, snap-arms end is provided with card, the inside, rear end of rear cover body is provided with the containing cavity of grafting wire, the card access surface up and down of containing cavity is provided with circular arc concave surface, circular arc concave surface is crossing shape, lower card access surface is worn slotted eye to dividing into, the edge groove outside of snap-arms clamping insulating body, 4 conducting terminal front ends are contained in terminal edge groove through terminal perforation.
2. USB plug connector according to claim 1, is characterized in that: 4 described conducting terminals are divided into middle conducting terminal and avris conducting terminal, and conducting terminal comprises the contact jaw of front end, middle brace and rear end puncture portion; The downward die-cut stopping elastic sheet that has of middle brace front end of middle conducting terminal, the middle brace rear end of middle conducting terminal is provided with connecting portion that can be die-cut and is connected with the middle brace front end of avris conducting terminal; The brace integral body of avris conducting terminal is L-shaped, is provided with fin in the middle of its insulating body, and rear end forward end is extended and connected rear end puncture portion, and in the brace rear end of two avris conducting terminals, being connected with can be die-cut and be convenient to the connecting plate of its installation; 4 conducting terminals adopt the die-cut bending of full wafer metallic plate to form.
3. USB plug connector according to claim 2, is characterized in that: the insulating body of described hole punching rear end is provided with the two groups of screens grooves in front and back, and the rear end of avris conducting terminal is provided with stopping elastic sheet, and stopping elastic sheet overhead is in screens groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613749.4U CN203481445U (en) | 2013-02-06 | 2013-09-30 | USB plug connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320069970.8 | 2013-02-06 | ||
| CN201320069970 | 2013-02-06 | ||
| CN201320613749.4U CN203481445U (en) | 2013-02-06 | 2013-09-30 | USB plug connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481445U true CN203481445U (en) | 2014-03-12 |
Family
ID=50229709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320613749.4U Expired - Fee Related CN203481445U (en) | 2013-02-06 | 2013-09-30 | USB plug connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117464A (en) * | 2013-02-06 | 2013-05-22 | 蹇在义 | USB (universal serial bus) plug connector and machining method |
-
2013
- 2013-09-30 CN CN201320613749.4U patent/CN203481445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117464A (en) * | 2013-02-06 | 2013-05-22 | 蹇在义 | USB (universal serial bus) plug connector and machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |