CN202067997U

CN202067997U - Electric connector

Info

Publication number: CN202067997U
Application number: CN2011201409351U
Authority: CN
Inventors: 林瑞斌
Original assignee: FUSHINENG ELECTRONIC (KUNSHAN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: FUSHINENG ELECTRONIC (KUNSHAN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2011-04-29
Filing date: 2011-04-29
Publication date: 2011-12-07
Anticipated expiration: 2021-04-29

Abstract

The utility model discloses an electric connector, which comprises a shell, a plurality of terminals, a magnetic unit and a plurality of welding aid pieces. The shell is provided with an accommodating space and formed by assembling a first shell, a second shell and a third shell, the second shell is covered at the front end of the first shell, and the third shell is in clamping connection with the upper end of the first shell and the upper end of the second shell. The plurality of the terminals are in slender column shapes and inserted into the shell from the front to the back of the second shell, and the rear ends of the terminals penetrate through the accommodating space and penetrate out of the rear end of the first shell. The plurality of the welding aid pieces are fixedly arranged outside the rear end of the first shell, and the rear ends of the terminals are clamped and welded to the welding aid pieces. The magnetic unit is accommodated in the accommodating space and comprises at least two magnetic bodies which are respectively arranged on the upper sides and the lower sides of the terminals, thereby effectively utilizing inner spaces of the electric connector, improving volume of the magnetic unit and enhancing magnetic attraction property.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly relates to a kind of mode with magnetic and reaches the electric connector of mutual butt joint.

Background technology

Electric connector be in the various electronic product in order to main switching member as telecommunication transmission, along with the continuous development of electronic industry, various electric connectors come out again and again.Existing electric connector is in order to reach purpose of connecting, designs snap-in structure usually on the insulating body of two electric connectors of mutual butt joint and shell, relies on snap-in structure to reach affixed purpose mutually.Magnetic-type electric connector then relies on the magnetic that is assembled in electric connector inside to realize the butt joint of two electric connectors of butt joint mutually.As shown in Figure 1, a kind of magnetic-type electric connector comprises a housing, several terminals 70 and a magnetic 80.Housing is formed by first housing 61,

second housing

62 and 63 assemblings of the 3rd housing, and second housing 62 is covered on first housing, 61 front ends, and the 3rd housing 63 is connected in first housing 61 and second housing, 62 upper ends, to surround an accommodation space (figure does not show).Offer on the plate outer surface of first housing 61 on terminal groove 611, the second housings 62 and offer terminal hole 621 side by side.Magnetic 80 is placed in the accommodation space.Several terminals comprises the holding parts 71 of long plate shape, upwards bends extended contact site 72 from holding parts 71 front ends and reaches from the extended weld part 73 in holding parts 71 rear ends, and contact site 72 is provided with the butt post 721 that protrudes out forward.Holding parts 71 is immobilizated in the terminal groove 611, contact site 72 stretches in the accommodation space, and place magnetic 80 front ends, butt post 721 stretches out second housing 62 from terminal hole 621, and weld part 73 stretches out first housing, 61 rear ends to be welded on the external circuit board (figure does not show).

But, the holding parts 71 of above-mentioned magnetic-type connector terminals 70 is immobilizated in outside (i.e. terminal groove 611 on the plate outer surface of first housing 61), contact site 72 is inserted in the accommodation space, take and reduced accommodation space, magnetic 80 is one and be placed in the accommodation space of housing, therefore magnetic 80 design volume are less, a little less than the magnetic.

The utility model content

The purpose of this utility model is to provide a kind of magnetic strong magnetic-type electric connector at above-mentioned the deficiencies in the prior art.

For achieving the above object, a kind of electric connector provided by the utility model comprises that a housing, several terminals, a magnet unit and several help weld tabs.Housing has an accommodation space, and it is formed by first housing, second housing and the assembling of the 3rd housing, and second housing is covered on the first housing front end, and the 3rd housing is connected in first housing and second housing upper end.Several terminals is elongate column, and it is inserted in the housing backward from second housing the place ahead, and the terminal rear end passes the first housing rear end after passing accommodation space.Magnet unit is placed in the accommodation space, and it comprises at least two magnetics, and this two magnetic is arranged at the both sides up and down of terminal respectively.Several help weld tabs to be fixedly arranged on the outside, the first housing rear end, and the terminal rear end holds and is welded in and helps on the weld tabs.

As mentioned above, the utility model electric connector relies on the both sides up and down that are placed in magnet unit in the accommodation space of housing and are arranged at terminal, terminal design is elongate column, and be arranged in the perforation between two magnetics up and down of magnet unit, thereby effectively utilize the electric connector inner space, increase the magnet unit volume, strengthen its magnetic.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing a kind of electric connector.

Fig. 2 is the stereogram of the preferred embodiment of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view of electric connector shown in Figure 2.

Fig. 4 is the three-dimensional exploded view of another angle of electric connector shown in Figure 3.

Each description of reference numerals is as follows among the figure:

First housing, 11 base plates 111

Draw-in groove 1111 side plates 112

Fixture block 1121 back plates 113

Fixing hole 1131 support slots 1133

Second housing, 12 cards 121

Clip 122 perforates 123

Insulating cylinder 1132,124

The 3rd housing 13 cover plates 131

Riser 132 buckling grooves 1321

Buckle slot 1322 magnetics 21

Hole slot 22 terminals 30

Contact site 31 base portions 32

Card division 33 helps weld tabs 40

Brace 41 intermediate plates 42

Weld part 43 backing plates 50

Trepanning 51

Embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.

See also Fig. 2 and Fig. 3, the utility model electric connector comprises a housing, a magnet unit, several terminals 30, several help a weld tabs 40 and a backing plate 50.Described enclosure interior has an accommodation space, with ccontaining above-mentioned magnet unit, several conducting terminals 30 and backing plate 50.

See also Fig. 2 to Fig. 4, in the present embodiment, described housing is formed by first housing 11,

second housing

12 and 13 assemblings of the 3rd housing.First housing 11 has base plate 111, biside plate 112 and back plate 113.Base plate 111 offers draw-in groove 1111 backward in cephalolateral margin, biside plate 112 outer surface tops outwards convex with fixture block 1121, offer several fixing holes 1131 on the back plate 113 side by side, and back plate 113 inboards are provided with insulating cylinder 1132 in the extension of fixing hole 1131 peripheries, and back plate 113 outsides offer the support slot 1133 that runs through extension up and down.Second housing 12 is covered on first housing, 11 front ends, and its lower limb extends back and is provided with card 121, and its both side edges upper end stretches out backward again and is provided with clip 122.Offer several perforates 123 on second housing 12 side by side, and second housing, 12 inboards are also extended in perforate 123 peripheries and are provided with insulating cylinder 124.The 3rd housing 13 is covered on first housing, 11 upper ends, and it has cover plate 131 and cover plate 131 both side edges bend extended riser 132 downwards, and corresponding fixture block 1121 and clip 122 offer buckling groove 1321 and buckle slot 1322 respectively on the riser 132.Particularly, rely on card 121 second housing 12 to be connected in first housing, 11 front ends with engaging of draw-in groove 1111; Rely on buckling groove 1321 and the fastening and the buckle slot 1322 of fixture block 1121 the 3rd housing 13 to be connected in first housing 11 and second housing, 12 upper ends, thereby be assembled into housing with the fastening of clip 122.

Described several terminals 30 is inserted in the housing backward from second housing, 12 the place aheads, and terminal 30 rear ends are passed and passed first housing, 11 rear ends behind the accommodation space and pass one to one outside the support slot 1133.In the present embodiment, terminal 30 is elongate column, and it comprises contact site 31 that the diameter that connects as one is bigger and the diameter base portion 32 less than contact site 31, and contiguous contact site 31 places have outwards protruded out card division 33 on the base portion 32.Base portion 32 stretches into second housing 12 from perforate 123, passing insulating cylinder 124,1132 back successively passes the housing rear end and passes one to one outside the support slot 1133 from fixing hole 1131, contact site 31 is placed in second housing, 12 outsides, card division 33 is placed in second housing, 12 inboards, thus the front end of fixed terminal 30.

The described weld tabs 40 that helps is fixedly arranged on the outside, first housing, 11 rear ends, comprises the lateral margin two ends extend upward on vertically tabular brace 41, the brace 41 intermediate plate 42 and the extended weld part 43 of the vertical bending of brace 41 lower edges.

Described magnet unit comprises at least two magnetics 21, and this two magnetic 21 is arranged at the both sides up and down of terminal 30 respectively.Particularly, half-terete hole slot 22, two magnetics 21 butt joint backs two 22 pairs of the half-terete hole slots that extend before and after these two magnetics, 21 facing surfaces are equipped with are connected into a columned perforation (not indicating among the figure).

Corresponding terminal 30 is provided with several trepannings 51 on the backing plate 50.

During the assembling of the utility model electric connector, at first, backing plate 50 is placed first housing, 11 rear ends, trepanning 51 is sheathed on the insulating cylinder 1132 of first housing 11; Then, two magnetics 21 are packed in the base plate 111, biside plate 112 and space that back plate 113 surrounds of first housing 11, the perforation of magnet unit is sheathed on the insulating cylinder 1132 of first housing 11; Take second place, second housing 12 and the 3rd housing 13 are covered on upper end behind first housing, 11 front ends successively, thus, magnet unit is coated in the accommodation space of housing; Then, will help weld tabs 40 to insert in the support slot 1133 downwards from first housing, 11 tops; At last, backward be inserted in housing from second housing, 12 the place aheads terminal 30, after base portion 32 passes the perforation of magnet unit, passing first housing, 11 rear ends from fixing hole 1131 more also passes outside the support slot 1133 one to one, thus, base portion 32 rear ends of terminal 30 are fastened between the intermediate plate 42 that helps weld tabs 40, adopt the mode of soldering that base portion 32 rear ends are welded on the intermediate plate 42 again, thus, finish the assembling of electric connector.

In sum, the utility model electric connector relies on the both sides up and down that are placed in magnet unit in the accommodation space of housing and are arranged at terminal 30, terminal 30 designs are elongate column, and be arranged in the perforation between two magnetics 21 up and down of magnet unit, thereby effectively utilize the electric connector inner space, increase the magnet unit volume, strengthen its magnetic.

Claims

1. electric connector, comprise a housing, several terminals and a magnet unit, described housing has an accommodation space, form by first housing, second housing and the assembling of the 3rd housing, second housing is covered on the first housing front end, the 3rd housing is connected in first housing and second housing upper end, magnet unit is placed in the accommodation space, it is characterized in that: comprise that also several help weld tabs, several terminals is elongate column, it is inserted in the housing backward from second housing the place ahead, and the terminal rear end passes the first housing rear end after passing accommodation space; Magnet unit comprises at least two magnetics, and this two magnetic is arranged at the both sides up and down of terminal respectively; Several help weld tabs to be fixedly arranged on the outside, the first housing rear end, and the terminal rear end holds and is welded in and helps on the weld tabs.

2. electric connector as claimed in claim 1 is characterized in that: the half-terete hole slot that extends before and after described two magnetic facing surfaces are equipped with, and two magnetics butt joint back, two half-terete hole slots are to being connected into a columned perforation; After terminal passes the perforation of magnet unit, pass the first housing rear end.

3. electric connector as claimed in claim 1 is characterized in that: described terminal comprises contact site that the diameter that connects as one is bigger and the diameter base portion less than contact site, and contiguous contact site place has outwards protruded out the card division on the base portion; First housing has back plate, offers several fixing holes on the back plate side by side, and afterwards the plate inboard is provided with insulating cylinder in the extension of fixing hole periphery, and the back plate outside offers the support slot that runs through extension up and down; Offer several perforates on second housing side by side, and the second housing inboard is also extended in the perforate periphery and is provided with insulating cylinder; Base portion stretches into second housing from perforate, passes successively behind the insulating cylinder from fixing hole to pass the housing rear end and pass one to one outside the support slot, and contact site is placed in second hull outside, and the card division is placed in the front end of the second housing inboard with fixed terminal.

4. electric connector as claimed in claim 3 is characterized in that: describedly help weld tabs comprises vertically tabular brace, the lateral margin two ends extend upward from the brace intermediate plate and from the extended weld part of the vertical bending of brace lower edge; Help weld tabs to insert in the support slot, the base portion rear end of terminal is fastened between the intermediate plate that helps weld tabs, and the base portion rear end is welded on the intermediate plate.

5. electric connector as claimed in claim 3 is characterized in that: also comprise a backing plate, backing plate is provided with several trepannings, and backing plate places the first housing rear end in the accommodation space, and trepanning is sheathed on the insulating cylinder of first housing.

6. electric connector as claimed in claim 1 is characterized in that: described first housing also has base plate and biside plate, and base plate offers draw-in groove backward in cephalolateral margin, and biside plate outer surface top outwards convexes with fixture block; Second housing lower margin extends back and is provided with card, and its both side edges upper end stretches out backward again and is provided with clip; The 3rd housing has cover plate and the cover plate both side edges extended riser of bending downwards, and corresponding fixture block and clip offer buckling groove and buckle slot respectively on the riser, relies on card second housing to be connected in the first housing front end with engaging of draw-in groove; Rely on the fastening of the fastening of buckling groove and fixture block and buckle slot and clip and the 3rd housing is connected on first housing and second housing.