CN201773966U

CN201773966U - Novel electric connector

Info

Publication number: CN201773966U
Application number: CN2010202172279U
Authority: CN
Inventors: 许应赞
Original assignee: DONGGUAN JUST MAKE ELECTRONICS Co Ltd
Current assignee: DONGGUAN JUST MAKE ELECTRONICS Co Ltd
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2011-03-23
Anticipated expiration: 2020-06-01

Abstract

The utility model relates to the technical field of electric connectors, in particular to an electric connector with simple structure, stable and reliable properties and convenience in assembly. The electric connector comprises an insulation base, four first terminals, five second terminals and a metal casing, wherein the insulation base comprises a main base body, an upper base body and a tail base; the tail base comprises a bottom plate and a tail plate that integrally extends upward out of the rear edge of the bottom plate; the four first terminals are equally divided into two groups, and the first terminals in each group are embedded up and down side by side into a first terminal slot and a second terminal slot of the main base body; the five second terminals are formed integrally in an embedded way and fixedly mounted in the upper base body, and the upright parts of the second terminals after being bent at an angle of 90 degrees are positioned on the inner side of the tail plate; and the tail plate is utilized to cover the rear sides of the terminals in a sealing way and separate the metal casing from the terminals, so as to reduce the electromagnetic interference between the terminals and the metal casing and avoid the influence on the high-frequency transmission.

Description

Novel electric connector

Technical field

The utility model relates to the electric connector field technology, refers in particular to a kind of electric connector simple in structure, easy to assembly, stable and reliable for performance.

Background technology

USB (Universal Serial Bus, USB) be a kind of hot plug transmission interface that is widely used in PC periphery product at present, this interface promptly carries out the data transmission with the hardware binding under the situation that does not need to start shooting again, has the good characteristic of transmission performance, first generation USB1.1 transmission interface is pushed in the time of 1988, Intel in 2000 then deliver the formal specification of USB2.0, also expanded the computer peripheral product category that to use the USB transmission interface whereby, as portable hard drive, printer, Genius mouse etc.

But along with the required archives capacity that transmits day by day increases, demand when the transmission speed of USB2.0 begins to satisfy use because of being subject to control wafer and all factors, also therefore promoted the release of USB3.0 of new generation, USB3.0 is except keeping the structure previously and the characteristic of plug and play, more application is extended in the synchronous instantaneous transmission of PC, consumer electronics commodity and mobile device, its transmission speed is 10 times of USB2.0 more, and have advantage of low power consumption.

Because of the USB3.0 etalon of issue in 2008 has the characteristic of downward compatibility, the hardware interface device of USB3.0 also must compatible existing USB2.0 interface device, and increases by 5 terminals under original specification, thereby improves the transmission speed of data.But also make its structure more complicated because utilize one group of terminal of interpolation to promote transmission speed, need a plurality of assemblies to assemble, not only make the production and assembly inconvenience of connector and promoted manufacturing cost, and the main part of USB of the prior art is as a whole, be assembled in two groups of inner terminals, all adopt the mode that embeds, make the structure of terminal must have the wedge angle of barb-shaped, make pitch smaller between the terminal group internal terminal.Two groups of terminals easily produce electromagnetic interference and short circuit phenomenon in use owing to the distance between two groups of terminals can not be effectively guaranteed, and influence stability of data transmission, are unfavorable for the popularization in market.

The utility model content

Main purpose of the present utility model provides a kind of electric connector, and it uses simple improvement design is effectively to solve the problem that disturbed by the electronics noise and influence high-frequency transmission.

Another purpose of the present utility model provides a kind of electric connector, and it uses easy component sets syzygy can effectively simplify the assembling of each parts of product, improves operating efficiency, reduces production costs.

A purpose more of the present utility model provides a kind of electric connector, has reliable and stable package assembly intensity between its each parts.

For achieving the above object, the utility model adopts following technical scheme:

A kind of novel electric connector comprises:

One insulating base, this insulating base includes main base frame, upper pedestal and tailstock, wherein, the front side one of this main base frame is extended with one first hyoplastron, be provided with the first terminal groove and second terminal groove of horizontal expansion in the main base frame, the front end of this first terminal groove and second terminal groove laterally is through to the upper and lower surface of this first hyoplastron respectively, and the breech face of main base frame is run through in the rear end of the first terminal groove and second terminal groove; This upper pedestal is assembled in the top end face of main base frame, and this upper pedestal is provided with one second hyoplastron, this second hyoplastron be positioned at aforementioned first hyoplastron directly over; This tailstock is assembled on the main base frame, and tailstock includes base plate and from this base plate trailing edge extended tailgate of one that makes progress, the 3rd terminal groove, the 4th terminal groove and the five terminal pilot trench that distribute side by side before and after also being provided with on the base plate;

Four the first terminals, their divide in twos in one group of the first terminal groove and second terminal groove that is flush-mounted in main base frame up and down side by side, and the elasticity contact part of the first terminal front end is exposed to the upper and lower surface of aforementioned first hyoplastron respectively, the leg portion of the first terminal tail end inserts in the 3rd terminal groove and the 4th terminal groove that stretches on the base plate after 90 degree bendings, and the bottom surface of stretching out tailstock downwards;

Five second terminals, they side by side the one produced by insert molding be installed among the aforementioned upper pedestal, and the contact part of the second terminal front end is exposed to the bottom surface of aforementioned second hyoplastron, the leg portion of the second terminal tail end inserts in the five terminal pilot trench that stretches on the base plate after 90 bendings, and the bottom surface of stretching out tailstock downwards; And the vertical part behind these second terminal bending, 90 degree is positioned at the inboard of aforementioned tailgate;

One metal shell, this metal shell hard-pressed bale is overlying on outside the aforementioned dielectric seat, and first hyoplastron of the front opening of metal shell and insulating base and second hyoplastron are combined to form the electric connector socket of standard.

Preferably, described main base frame is provided with downward, an aft-opening containing cavity, and two internal faces are provided with the hook part in about containing cavity; The base plate of described tailstock is flush-mounted in this containing cavity from bottom to top, and two lateral surfaces are provided with lower hook part in about base plate, and this lower hook part and the aforementioned hook part of going up fasten winding.

Preferably, one is extended with a lower cross plate on the breech face of described main base frame, and this lower cross plate is provided with aft-opening lower bayonet slot, and the vertical part behind described the first terminal bending 90 degree is to be flush-mounted in the aforementioned lower bayonet slot.

Preferably, one is extended with a upper cross plate on the breech face of described main base frame, and this upper cross plate 1 is provided with the aft-opening draw-in groove of going up; Vertical part behind the described second terminal bending 90 degree is 1 to be flush-mounted on this in draw-in groove.

Preferably, the internal face of described tailgate is provided with the tail draw-in groove of vertical extension to open front, and this tail draw-in groove is communicated with this five terminal pilot trench downwards; Vertical part behind the described second terminal bending, 90 degree is to be flush-mounted in this tail draw-in groove.

Preferably, described upper pedestal is plugged in the top end face of main base frame from top to bottom, convex with two reference columns and a positioning strip on the top end face of main base frame, and this two reference column and positioning strip distribution triangular in shape, wherein, this two reference column is distributed in the front portion of top end face, and this positioning strip is distributed in the rear portion of top end face; The bottom surface indent of described upper pedestal is formed with the rectangular groove of two location holes and a location of same distribution triangular in shape, and aforementioned reference column and positioning strip correspondence are intercalated in the rectangular groove of this location hole and location.

Preferably, described metal shell includes a main casing and tail-hood, this main casing is fastened and is coated on outside the aforementioned dielectric seat, and first hyoplastron of the front opening of main casing and insulating base and second hyoplastron are combined to form the electric connector socket of aforesaid standards, and the tail end of main casing is to after-opening; This tail-hood then is covered in the breech face of insulating base, and one is extended with and is used for the buckle that is fastened and connected with this main casing on the lateral margin of this tail-hood.

The utility model compared with prior art has tangible advantage and beneficial effect, particularly, as shown from the above technical solution, the one that makes progress on this tailstock of the first is extended a tailgate, utilize this tailgate to be covered in the rear side of terminal, intercept between metal shell and terminal, reduce the electromagnetic interference between terminal and the metal shell, avoid influence high-frequency transmission; Next is further to utilize the tail draw-in groove on the tailgate that the adjacent both ends insulating sublayer is isolated, and also can reduce the electromagnetic interference between the two-terminal, further avoids the influence to high-frequency transmission.Moreover be this tailstock system tightly being assemblied in the main base frame from bottom to top, can after having assembled the first terminal and second terminal, assemble tailstock more like this, make the assembling of tailstock have more flexibility and convenience.

For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:

Description of drawings

Fig. 1 is the three-dimensional diagrammatic sketch of assembling of the embodiment of the utility model;

Fig. 2 is the exploded view of the embodiment of the utility model;

Fig. 3 is that three-dimensional diagrammatic sketch is assembled in the part that the embodiment of the utility model removes behind the metal shell;

Fig. 4 is the diagrammatic sketch of looking up of Fig. 3;

Fig. 5 is the sectional view of the first terminal position among Fig. 3;

Fig. 6 is the sectional view of second terminal position among Fig. 3;

Fig. 7 is that enlarged drawing is shown in the decomposition of insulating base among the embodiment of the utility model.

The accompanying drawing identifier declaration:

10, insulating base 119, last hook part

101, the first terminal groove 12, upper pedestal

102, second terminal groove 120, location hole

103, the 3rd terminal groove 121, second hyoplastron

104, the 4th terminal groove 122, locate rectangular groove

105, five terminal pilot trench 13, tailstock

11, main base frame 131, base plate

110, reference column 132, tailgate

111, first hyoplastron 133, lower hook part

112, positioning strip 134, tail draw-in groove

113, upper cross plate 20, the first terminal

114, lower cross plate 30, second terminal

115, left plate 40, metal shell

116, right plate 41, main casing

117, go up draw-in groove 42, tail-hood

118, lower bayonet slot 421, buckle

Embodiment:

Please refer to Fig. 1 to shown in Figure 7, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes insulating base 10, the first terminal 20, second terminal 30 and metal shell 40.

Wherein, as Fig. 7, this insulating base 10 includes main base frame 11, upper pedestal 12 and tailstock 13, the front side one of this main base frame 11 is extended with one first hyoplastron 111, be provided with the first terminal groove 101 and second terminal groove 102 of horizontal expansion in the main base frame 11, the front end of this first terminal groove 101 and second terminal groove 102 laterally is through to the upper and lower surface of this first hyoplastron 111 respectively, and the breech face of main base frame 11 is run through in the rear end of the first terminal groove 101 and second terminal groove 102.One is extended with a upper cross plate 113, a lower cross plate 114, a left plate 115 and a right plate 116 on the breech face of this main base frame 11, wherein, this upper cross plate 113 and lower cross plate 114 are provided with aft-opening draw-in groove 117 and the lower bayonet slot 118 gone up, the bottom surface of this lower cross plate 114 is higher than the bottom surface of main base frame 11, surrounded by this lower cross plate 114, left plate 115 and right plate 116 and to form downward, an aft-opening containing cavity 107, two internal faces are provided with hook part 119 in about containing cavity 107.The top end face epirelief of main base frame 11 is provided with two reference columns 110 and a positioning strip 112, and this two reference column 110 and positioning strip 112 distributions triangular in shape, and wherein, this two reference column 110 is distributed in the front portion of top end face, and this positioning strip 112 is distributed in the rear portion of top end face.

This upper pedestal 12 is plugged in the top end face of main base frame 11 from top to bottom, be formed with the rectangular groove 122 of two location holes 120 and a location of same distribution triangular in shape corresponding to the bottom surface indent of upper pedestal 12, aforementioned reference column 110 and positioning strip 112 correspondences are intercalated in the rectangular groove 122 of this location hole 120 and location, thinking provides the assembling location between upper pedestal 12 and the main base frame 11, restriction upper pedestal 12 is with respect to main base frame 11 displacement of direction all around.Particularly, this upper pedestal 12 is provided with one second hyoplastron 121, when upper pedestal 12 is assembled on the main base frame 11, this second hyoplastron 121 be positioned at aforementioned first hyoplastron 111 directly over.

This tailstock 13 is assembled on the main base frame 11 from bottom to top, tailstock 13 includes base plate 131 and from these base plate 131 trailing edges extended tailgate 132 of one that makes progress, lower hook part 133 is set respectively on two lateral surfaces about this base plate 131, this base plate 131 spiral-lock from bottom to top utilizes this lower hook part 133 to fasten affixed each other with last hook part 119 in aforementioned containing cavity 107.The 3rd terminal groove 103, the 4th terminal groove 104 and the five terminal pilot trench 105 that distribute side by side before and after also being provided with on the base plate 121.13 trailing flanks that are covered in aforementioned main base frame 11 of this tailgate, internal face in tailgate 13 is provided with the tail draw-in groove 134 of vertical extension to open front, this tail draw-in groove 134 upwards with the aforementioned draw-in groove 117 of going up over against being communicated with, tail draw-in groove 134 is communicated with these five terminal pilot trench 105 downwards.

This first terminal 20 is four, their divide in twos in one group of the first terminal groove 101 and second terminal groove 102 that is flush-mounted in main base frame 11 up and down side by side, and the elasticity contact part 21 of the first terminal 20 front ends is exposed to the upper and lower surface of aforementioned first hyoplastron 111 respectively, as Fig. 5, the leg portion 22 of the first terminal 20 tail ends inserts in the 3rd terminal groove 103 and the 4th terminal groove 104 that stretches on the base plate 131 after 90 degree bendings, and the bottom surface of stretching out tailstock 13 downwards.Particularly, the vertical part behind these the first terminal bending 90 degree is to be flush-mounted in the aforementioned lower bayonet slot 118.

This second terminal 30 is five, they side by side the one produced by insert molding be installed in the aforementioned upper pedestal 12, and the contact part 31 of second terminal, 30 front ends is exposed to the bottom surface of aforementioned second hyoplastron 121, as Fig. 6, the leg portion 32 of second terminal, 30 tail ends inserts in the five terminal pilot trench 105 that stretches on the base plate 131 after 90 bendings, and the bottom surface of stretching out tailstock 13 downwards.Particularly, the vertical part behind these second terminal, 30 bendings, 90 degree is to be flush-mounted in aforementioned going up in draw-in groove 117 and the tail draw-in groove 134.

This metal shell 40 includes a main casing 41 and tail-hood 42, this main casing 41 is fastened and is coated on outside the aforementioned dielectric seat 10, first hyoplastron 111 of the front opening of main casing 40 and insulating base 10 and second hyoplastron 121 are combined to form the electric connector socket (such as Type B USB3.0 socket) of standard, the tail end of main casing 41 is to after-opening, utilize this opening can make things convenient for aforementioned dielectric seat 10 to be assembled into from back to front in this main casing 41, main casing 41 utilizes and punctures hangnail and the insulating base 10 assembling location that moulding forms on it.The buckle 421 that 42 breech faces that are covered in insulating base 10 of this tail-hood, this tail-hood 42 utilize its lateral margin bending to form is fastened and connected with this main casing.

In sum, design focal point of the present utility model is, the one that makes progress on this tailstock of the first is extended a tailgate, utilize this tailgate to be covered in the rear side of terminal, intercept between metal shell and terminal, reduce the electromagnetic interference between terminal and the metal shell, avoid influence high-frequency transmission; Next is further to utilize the tail draw-in groove on the tailgate that the adjacent both ends insulating sublayer is isolated, and also can reduce the electromagnetic interference between the two-terminal, further avoids the influence to high-frequency transmission.Moreover be this tailstock system tightly being assemblied in the main base frame from bottom to top, can after having assembled the first terminal and second terminal, assemble tailstock more like this, make the assembling of tailstock have more flexibility and convenience.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. novel electric connector is characterized in that: comprising:

2. novel electric connector according to claim 1 is characterized in that: described main base frame is provided with downward, an aft-opening containing cavity, and two internal faces are provided with the hook part in about containing cavity; The base plate of described tailstock is flush-mounted in this containing cavity from bottom to top, and two lateral surfaces are provided with lower hook part in about base plate, and this lower hook part and the aforementioned hook part of going up fasten winding.

3. novel electric connector according to claim 1, it is characterized in that: one is extended with a lower cross plate on the breech face of described main base frame, this lower cross plate is provided with aft-opening lower bayonet slot, and the vertical part behind described the first terminal bending 90 degree is to be flush-mounted in the aforementioned lower bayonet slot.

4. novel electric connector according to claim 1 is characterized in that: one is extended with a upper cross plate on the breech face of described main base frame, and this upper cross plate 1 is provided with the aft-opening draw-in groove of going up; Vertical part behind the described second terminal bending 90 degree is 1 to be flush-mounted on this in draw-in groove.

5. novel electric connector according to claim 1 is characterized in that: the internal face of described tailgate is provided with the tail draw-in groove of vertical extension to open front, and this tail draw-in groove is communicated with this five terminal pilot trench downwards; Vertical part behind the described second terminal bending, 90 degree is to be flush-mounted in this tail draw-in groove.

6. novel electric connector according to claim 1, it is characterized in that: described upper pedestal is plugged in the top end face of main base frame from top to bottom, convex with two reference columns and a positioning strip on the top end face of main base frame, and this two reference column and positioning strip distribution triangular in shape, wherein, this two reference column is distributed in the front portion of top end face, and this positioning strip is distributed in the rear portion of top end face; The bottom surface indent of described upper pedestal is formed with the rectangular groove of two location holes and a location of same distribution triangular in shape, and aforementioned reference column and positioning strip correspondence are intercalated in the rectangular groove of this location hole and location.

7. novel electric connector according to claim 1, it is characterized in that: described metal shell includes a main casing and tail-hood, this main casing is fastened and is coated on outside the aforementioned dielectric seat, first hyoplastron of the front opening of main casing and insulating base and second hyoplastron are combined to form the electric connector socket of aforesaid standards, and the tail end of main casing is to after-opening; This tail-hood then is covered in the breech face of insulating base, and one is extended with and is used for the buckle that is fastened and connected with this main casing on the lateral margin of this tail-hood.