CN203589305U

CN203589305U - Electric connector

Info

Publication number: CN203589305U
Application number: CN201320619548.5U
Authority: CN
Inventors: 陶武松; 王钰
Original assignee: DONGGUAN LIANJI ELECTRIC INDUSTRY Co Ltd
Current assignee: DONGGUAN LIANJI ELECTRIC INDUSTRY Co Ltd
Priority date: 2013-10-09
Filing date: 2013-10-09
Publication date: 2014-05-07
Anticipated expiration: 2023-10-09

Abstract

The utility model discloses an electric connector. The electric connector comprises an insulative main body, a terminal group, a wire rod, and a shielding shell, wherein the shielding shell comprises an upper shell and a lower shell which are corresponding to each other in an up-and-down manner; the upper shell and the lower shell are buckled to each other to enclose the terminal group and wiring positions of the wire rod to form a wiring chamber; first buckling holes are opened at protruding edges at two sides of the rear end of the bottom board of the lower shell, and first buckling sheets are disposed in a protruding manner at bottom parts of a left rear side board and a right rear side board of the upper shell; each first buckling sheet comprises a fold-over portion and a supporting portion, and the supporting portion goes through a first buckling hole, and is riveted and pressed tightly an external edge of the buckling hole when the fold-over portion is folded; the left rear side board and the right rear side board clamp a left side and a rear side of the wire rod, and a top board of the upper shell and the bottom board of the lower shell press the an upper side and a lower side of the wire rod, thus the upper shell and the lower shell form an integrated body, so that an integral strength of a product is improved effectively, a rear end of the wire rod is clamped tightly by pressing the wire rod tightly, thereby avoiding excessive swinging, damages for the internal structure of the electric connected caused by swinging are avoided, and the reliability of the product is improved.

Description

Electric connector

Technical field

The utility model relates to electric connector field technology, refers in particular to a kind of HDMI electric connector.

Background technology

Tradition HDMI electric connector comprises insulating body, terminal group, wire rod and shield shell, and this terminal group is plugged in insulating body, and this wire rod is connected in terminal group rear end, and this shield shell is coated on insulating body and forms connection-peg outward.

Existing shield shell generally comprises fore shell and back cover, and common fore shell and back cover are two parts of split type setting, and fore shell is placed on outside insulating body, and back cover encases the wiring position of wire rod and terminal group, and clamps the rear end of wire rod.At present back cover on the market has integral structure, also has and is divided into the split-type structural that upper shell and lower house fasten mutually.

In back cover when assembling of integral type, be to make the rear end of wire rod penetrate back cover inside, then push away forward and with fore shell fastener type assembled.In actual applications, because the wiring position part of terminal group and wire rod is many, be difficult to guarantee that each part is to flush without projection, once there is projection, during back cover plug-in mounting, just can run into the dead problem of gear, cannot with fore shell assembly, now need manually to press each part of neat inside, assemble again, cause trouble is installed, waste time and energy.

And back cover is designed to the structure that upper and lower casing fastens mutually, only the buckle that relies on convex closure and groove to form clamps, dynamics is limited, when the tail swing amplitude of wire rod is excessive, easily cause inner body loosening, What is more, causes buckle to get loose, be out of shape, warp, come off, there is assembling weak strength, the problem that useful life is short.

In addition, the dimensions in connection-peg position of existing HDMI electric connector is standardized substantially, but the other parts except connection-peg can be according to the large small-scale production of needs, current HDMI electric connector basic size is on the market as follows: the length of tongue piece is 12mm, the length sum of this pedestal and tongue piece is 17mm, this pedestal, tongue piece and wire clamp three's length sum is 20mm, and the width of this wire clamp is 15mm.The width of described back cover is 17.5mm, and the leading edge of fore shell is 31mm to the length of the base plate trailing edge of back cover, and the leading edge of fore shell to the rearmost end total length of back cover is 37mm.Being limited to wiring position between adjacent both ends needs certain space, therefore, is difficult to accomplish miniaturization, can not meet the demand of market diversification.

Utility model content

In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of electric connector, it carries out riveted at upper shell and lower house with button hole and cramp, makes upper and lower casing form an integral body, effectively improves product bulk strength, thereby compression wire rod, make wire rod rear end wave clamping and avoid undue swing, reduce and wave the destruction to connector internal mechanism, improve the reliability of product.

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

A kind of electric connector, comprise insulating body, terminal group, wire rod and shield shell, this terminal group is plugged in insulating body, this wire rod is connected in terminal group rear end, described shield shell comprises upper shell and the lower house of upper and lower correspondence, the front end one of this lower house is extended fore shell, this fore shell is placed on insulating body and forms connection-peg outward, on this, lower house fastens the wiring position formation wire connection cavity that encases terminal group and wire rod each other, this lower house is offered the first button hole at the rear end of base plate two side flanges, this upper shell is convexly equipped with the first cramp in the bottom of left back side plate and right back side plate, this first cramp comprises a folding portion and a support portion, this support portion is through the first button hole, after folding portion bending, this support portion riveted is pressed in the outward flange of button hole, left back side plate and the right lateral side plate holder of upper shell are lived the left and right sides of wire rod, the top board of upper shell and the base plate of lower house are pushed down the both sides up and down of wire rod.

Preferably, the top board front side of described upper shell is provided with the second button hole, and extends support arm in the front-end edge of top board; The end face trailing edge of described fore shell extends upward the second cramp, and this second cramp is installed in the second button hole, and the second cramp turnover left-hand thread pushes down the edge of the second button hole, and the end face of this support arm and fore shell is inconsistent.

Preferably, described upper shell comprises top board, the first left plate from top board both sides to downward-extension, the first right plate by, in the bottom of the first left plate and the first right plate, is convexly equipped with the 3rd cramp; Described lower house comprises base plate, by upwardly extending the second left plate in base plate both sides, the second right plate, this first left plate, the first right plate are located in respectively outside the second left plate, the second right plate, and the 3rd cramp fastens base plate at the root edge turnover left-hand thread of the second left plate, the second right plate.

Preferably, described the first left plate and the first right plate are provided with several hole clippings, and described the second left plate and the second right plate are provided with several salient points, and this salient point is installed in corresponding hole clipping.

Preferably, the front end both sides of described top board are recessed a concave point, and two concave points form folder gap respectively and between the first left plate, the first right plate; The front side apical margin of described the second left plate and the second right plate is provided with guiding shell fragment, and this guiding shell fragment slips into and is flush-mounted in folder gap.

Preferably, described insulating body comprises pedestal and the tongue piece that integral type arranges, and in the rear end of pedestal, one wire clamp is installed; The length of this tongue piece is no more than 11mm, and the length sum of this pedestal and tongue piece is no more than 14mm, and this pedestal, tongue piece and wire clamp three's length sum is no more than 16mm, and the width of this wire clamp is no more than 13.9mm.

Preferably, the width of described upper shell/lower house is no more than 15.5mm, and fore shell leading edge is no more than 23.9mm to the length of the base plate trailing edge of upper shell/lower house, and the leading edge of fore shell to the rearmost end total length of upper shell/lower house is no more than 28.9mm.

The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, it is mainly, in upper shell rear end, the first cramp is set, in the rear end of lower house, the first button hole is set, by the first cramp and the first button hole spiral-lock riveted, make, lower house forms an integral body, with this, improve product bulk strength, and the left back side plate of shield shell rear side and right back side plate are blocked in the both sides of wire rod, and compression wire rod, make wire rod rear end wave clamping and avoid undue swing, reduce and wave the destruction to connector internal mechanism, improve the reliability of product.

Moreover the fit structure of the second cramp and the second button hole is located at the position that is superimposed of fore shell and upper shell front end in addition; In the left and right sides, directly inside bending is integrated upper and lower casing riveted joint to the 3rd cramp; Add the fit structure that salient point and hole clipping are set on the left side plate of upper and lower casing, and guiding shell fragment and the fit structure that presss from both sides gap are set in inner side, make whole shield shell from a plurality of orientation, carry out riveted and form an integral body, effectively improve product bulk strength; The support arm that adds upper shell contacts cooperation with fore shell formation face, when wire rod waves in rear end, for reliable fulcrum, by power conduction, greatly reduces and waves the destruction to connector internal mechanism, improves production reliability.

In addition, make the overall dimensions of product do littlely than traditional electrical connector, realize miniaturization, miniaturization, meets client's demand.

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

Accompanying drawing explanation

Fig. 1 is that the terminal group of the embodiment of the utility model is plugged in the schematic diagram in insulating body;

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

Fig. 3 is the upper shell schematic diagram of electric connector in the embodiment of the utility model;

Fig. 4 is the exploded view of the upper and lower casing of electric connector in the embodiment of the utility model;

Fig. 6 is the state diagram before riveted after the upper and lower casing spiral-lock of electric connector in the embodiment of the utility model;

Fig. 7 is visual angle, the back side figure of Fig. 6;

Fig. 8 is the electric connector assembling figure in the embodiment of the utility model;

Fig. 9 be electric connector in the embodiment of the utility model along the second button point the sectional view with the second button hole closed position;

Figure 10 is the enlarged drawing at A place in Fig. 9, and the electric connector in figure has shown stress when wire rod is to lower swing.

Figure 11 is the enlarged drawing at A place in Fig. 9, and the electric connector in figure has shown stress when wire rod upwards swings.

Accompanying drawing identifier declaration.

10, insulating body 11, pedestal

12, tongue piece 13, wire clamp

20, terminal group 30, wire rod

40, shield shell

41, upper shell 4101, top board

4102, the first left plate 4103, the first right plate

4104, left back side plate 4105, right back side plate

411, the first cramp 4111, folding portion

4112, support portion 412, the second button hole

413, support arm 414, the 3rd cramp

415, hole clipping 416, concave point

417, folder gap 42, lower house

4201, base plate 4202, the second left plate

4203, the second right plate 4204, flange

421, the first button hole 422, salient point

423, guiding shell fragment 424, fore shell

4241, the second cramp.

Embodiment

First, the present embodiment be take HDMI electric connector and is described as example, but project organization of the present utility model is not limited to be used in HDMI connector, also can be other connector.

Please refer to shown in Fig. 1 to Figure 11, it has demonstrated the concrete structure of the preferred embodiment of the utility model, this electric connector includes insulating body 10, terminal group 20, wire rod 30 and shield shell 40, this terminal group 20 is plugged in insulating body 10, this wire rod 30 is connected in terminal group 20 rear ends, and this shield shell 40 is coated on insulating body 10, terminal group 20 forms HDMI connection-peg outward with the wiring position of wire rod 30.

Wherein, as Figure 4-Figure 6, described shield shell 40 comprises upper shell 41 and the lower house 42 of upper and lower correspondence, the front end one of this lower house 42 is extended fore shell 424, this fore shell 424 is placed on the outer formation connection-peg of insulating body 10, and this upper and

lower casing

41,42 fastens the wiring position formation wire connection cavity that encases terminal group 20 and wire rod 30 each other.

Particularly, as shown in Figure 3, described upper shell 41 comprises top board 4101, the first left plate 4102 from top board 4101 both sides to downward-extension, the first right plate 4103 by.As shown in Figure 4, described lower house 42 comprise base plate 4201, by upwardly extending the second left plate 4202 in base plate 4201 both sides, the second right plate 4203.This lower house 42 is offered the first button hole 421 at the rear end of base plate 4,201 two side flanges 4204, and this upper shell 41 is convexly equipped with the first cramp 411 in the bottom of left back side plate 4104 and right back side plate 4105, and as shown in Figure 4, this first cramp 411 is installed in the first button hole 421.And described the first cramp 411 comprises a folding portion 4111 and a support portion 4112, this support portion 4112 is through the first button hole 421, and after folding portion 4111 bendings, this support portion 4112 is pressed in the outward flange (see figure 8) of button hole.

As shown in Figure 3,4, top board 4101 front sides of described upper shell 41 are provided with the second button hole 412, and extend support arm 413 in the front-end edge of top board 4101; The end face trailing edge of described fore shell 424 extends upward the second cramp 4241, this second cramp 4241 is installed in the second button hole 412, and the second cramp 4241 turnover left-hand threads are pushed down the edge of the second button hole 412, make the end face Xiang Di Touch (seeing Figure 10, Figure 11) of support arm 413 and fore shell 424.

As shown in Figure 4, in the bottom of the first left plate 4102 and the first right plate 4103, be convexly equipped with the 3rd cramp 414; This first left plate 4102, the first right plate 4103 are located in respectively outside the second left plate 4202, the second right plate 4203, and the 3rd cramp 414 fastens base plate 4201(at the root edge turnover left-hand thread of the second left plate 4202, the second right plate 4203 and sees Fig. 8).

In addition, as shown in Figure 4, described the first left plate 4102 and the first right plate 4103 are provided with several hole clippings 415, and described the second left plate 4202 and the second right plate 4203 are provided with several salient points 422, and this salient point 422 is embedded in corresponding hole clipping 415 (seeing Fig. 5, Fig. 6).Also have, shown in Fig. 3, Fig. 4, the front end both sides of described top board 4101 are recessed have concave point 416, two concave points 416 respectively and the first left plate 4102, the first right plate 4103 between form folder gap 417; The front side apical margin of described the second left plate 4202 and the second right plate 4203 is provided with guiding shell fragment 423, and these guiding shell fragment 423 embeddings are tightly in folder gap 417.

To sum up, the fit structure of above-mentioned the first cramp 411 and the first button hole 421 is located at the rear end two bottom sides of shield shell 40; The fit structure of the second cramp 4241 and the second button hole 412 is located at the position that is superimposed of fore shell 424 and upper shell 41; The 3rd cramp 414 is positioned at the left and right sides and directly inside bending is integrated upper and

lower casing

41,42 riveted joints; Add the fit structure that salient point 422 and hole clipping 415 are set on the left side plate of upper and

lower casing

41,42, and inner side arranges guiding shell fragment 423 and the fit structure that presss from both sides gap 417, make whole shield shell 40 from a plurality of orientation, carry out riveted and form an integral body, the left and right sides that the left back side plate 4014 of upper shell 41 and right back side plate 4204 are clamped wire rod 30, the top board 4101 of upper shell 41 and the base plate 4201 of lower house 42 are pushed down the both sides up and down of wire rod 30, effectively improve product bulk strength.The support arm 413 that adds upper shell 41 contacts cooperation with fore shell 424 formation faces, when wire rod 30 waves in rear end, for reliable fulcrum, by power conduction, greatly reduces and waves the destruction to connector internal mechanism, improves production reliability.

In conjunction with shown in Fig. 8 to Figure 11, analyze the situation that wire rod 30 swings, this wire rod 30 can swing on any direction of X-axis and Y-axis.As Figure 10, (1) is stressed during to lower swing when wire rod 30 afterbodys, can be subject to downward power, because leverage strong point a can produce a power Fa who makes progress, but owing to pushing down support arm 413 after the second cramp 4241 bendings, produce a downward force Fb, prevent upper shell 41 front end perks, come off.(2) when wire rod 30 afterbodys are stressed while upwards swinging, be subject to power upwards, balance pivot moves to a point, produce a downward power Fa, the support arm 413 of upper shell 41 is pushed down fore shell 424, the second cramp 4241 bendings simultaneously also can be pushed down support arm 413 and produce downward force Fb, prevent upper shell 41 front end perks, come off.(3) when wire rod 30 afterbodys are stressed while swinging to the left or to the right, due to coordinating of both sides, rear end the first cramp 411 and the first button hole 421, from orientation, left and right, clamp the both sides of wire rod 30, wire rod 30 swings left back side plate 4104 and right back side plate 4105 generation power, and left back side plate 4104 and right back side plate 4105 produce the amplitude of fluctuation that reaction force weakens wire rod 30, prevent that transition beat from damaging internal structure.

As shown in Figure 1, described insulating body 10 comprises pedestal 11 and the tongue piece 12 that integral type arranges, and a wire clamp 13 is installed in the rear end of pedestal 11; The length L 1 of this tongue piece 12 is no more than 11mm, and this pedestal 11 is no more than 14mm with the length sum L2 of tongue piece 12, and this pedestal 11, tongue piece 12 are no more than 16mm with wire clamp 13 threes' length sum L3, and the width L4 of this wire clamp 13 is no more than 13.9mm.As shown in Figure 8, the width L5 of described upper shell 41 or lower house 42 is no more than 15.5mm, and the leading edge of fore shell 424 is no more than 23.9mm to the length L 6 of base plate 4201 trailing edges, and leading edge to the rearmost end total length L 7 of shield shell 40 is no more than 28.9mm.Above-mentioned each size all has minimizing with respect to traditional product, and in traditional product, L1 is 12mm, and L2 is 17mm, and L3 is 20mm, and L4 is 15mm, and L5 is 17.5mm, and L6 is 31mm, and L7 is 37mm.Contrast, the disclosed HDMI electric connector of the utility model is shorter and smaller, its design that realizes miniaturization is mainly that the structure of wire clamp 13 is improved, make the width L4 of wire clamp 13 substantially identical with the width of tongue piece 12, terminal groove expands without warpage bending like this, but directly from tongue piece 12 straight lines, extending to rear end, the spacing between adjacent both ends pilot trench also diminishes thereupon.In addition, also make the length of shield shell 40 diminish, width diminishes, and realizes miniaturization, miniaturization.

In sum, design focal point of the present utility model is, in upper shell 41 rear ends, the first cramp 411 is set, the first button hole 421 is set in the rear end of lower house 42, by the first cramp 411 and the first button hole 421 spiral-lock riveteds, make,

lower house

41, 42 form an integral body, with this, improve product bulk strength, and the left back side plate 4104 of upper shell 41 rear sides and right back side plate 4105 are blocked in the both sides of wire rod 30, and compress wire rod 30, make wire rod 30 rear ends wave clamping and avoid undue swing, reduce and wave the destruction to connector internal mechanism, improve the reliability of product.

Moreover the fit structure of the second cramp 4241 and the second button hole 412 is located at the position that is superimposed of fore shell 424 and upper shell 41 front ends in addition; In the left and right sides, directly inside bending is integrated upper and

lower casing

41,42 riveted joints to the 3rd cramp 414; Add the fit structure that salient point 422 and hole clipping 415 are set on the left side plate of upper and

lower casing

41,42, and the fit structure that guiding shell fragment 423 and folder gap 417 are set in inner side, make whole shield shell 40 from a plurality of orientation, carry out riveted and form an integral body, effectively improve product bulk strength; The support arm 413 that adds upper shell 41 contacts cooperation with fore shell 424 formation faces, when wire rod 30 waves in rear end, for reliable fulcrum, by power conduction, greatly reduces and waves the destruction to connector internal mechanism, improves production reliability.

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

Claims

1. an electric connector, comprise insulating body, terminal group, wire rod and shield shell, this terminal group is plugged in insulating body, this wire rod is connected in terminal group rear end, described shield shell comprises upper shell and the lower house of upper and lower correspondence, the front end one of this lower house is extended fore shell, this fore shell is placed on insulating body and forms connection-peg outward, on this, lower house fastens the wiring position formation wire connection cavity that encases terminal group and wire rod each other, it is characterized in that: this lower house is offered the first button hole at the rear end of base plate two side flanges, this upper shell is convexly equipped with the first cramp in the bottom of left back side plate and right back side plate, this first cramp comprises a folding portion and a support portion, this support portion is through the first button hole, after folding portion bending, this support portion riveted is pressed in the outward flange of button hole, left back side plate and the right lateral side plate holder of upper shell are lived the left and right sides of wire rod, the top board of upper shell and the base plate of lower house are pushed down the both sides up and down of wire rod.

2. electric connector according to claim 1, is characterized in that: the top board front side of described upper shell is provided with the second button hole, and extends support arm in the front-end edge of top board; The end face trailing edge of described fore shell extends upward the second cramp, and this second cramp is installed in the second button hole, and the second cramp turnover left-hand thread pushes down the edge of the second button hole, the end face Xiang Di Touch of this support arm and fore shell.

3. electric connector according to claim 1, is characterized in that: described upper shell comprises top board, the first left plate from top board both sides to downward-extension, the first right plate by, in the bottom of the first left plate and the first right plate, is convexly equipped with the 3rd cramp; Described lower house comprises base plate, by upwardly extending the second left plate in base plate both sides, the second right plate, this first left plate, the first right plate are located in respectively outside the second left plate, the second right plate, and the 3rd cramp fastens base plate at the root edge turnover left-hand thread of the second left plate, the second right plate.

4. electric connector according to claim 3, is characterized in that: described the first left plate and the first right plate are provided with several hole clippings, and described the second left plate and the second right plate are provided with several salient points, and this salient point is installed in corresponding hole clipping.

5. electric connector according to claim 3, is characterized in that: the front end both sides of described top board are recessed a concave point, and two concave points form folder gap respectively and between the first left plate, the first right plate; The front side apical margin of described the second left plate and the second right plate is provided with guiding shell fragment, and this guiding shell fragment slips into and is flush-mounted in folder gap.

6. electric connector according to claim 1, is characterized in that: described insulating body comprises pedestal and the tongue piece that integral type arranges, and in the rear end of pedestal, one wire clamp is installed; The length of this tongue piece is no more than 11mm, and the length sum of this pedestal and tongue piece is no more than 14mm, and this pedestal, tongue piece and wire clamp three's length sum is no more than 16mm, and the width of this wire clamp is no more than 13.9mm.

7. according to the electric connector described in claim 1 or 6, it is characterized in that: the width of described upper shell/lower house is no more than 15.5mm, fore shell leading edge is no more than 23.9mm to the length of the base plate trailing edge of upper shell/lower house, and the leading edge of fore shell to the rearmost end total length of upper shell/lower house is no more than 28.9mm.