CN2749083Y - Electrical connector - Google Patents

Abstract

The utility model relates to an electric connector, which comprises a joint and a base, wherein the joint is provided with a joint body, two sides of the joint body are respectively provided with a guide rail, and the joint body is provided with a plurality of terminal grooves for accommodating terminals; the base is provided with a base body, two sides of the base body are respectively provided with a sliding chute, and the base body is provided with a plurality of switching terminal grooves for accommodating switching terminals; the guide rails on two sides of the connector body are in sliding fit with the sliding grooves on two sides of the base body, the connector can be arranged on the base in a floating mode, and one end of a terminal of the connector is inserted into the switching terminal groove of the base and is electrically connected with the switching terminal. The joint of the electric connector is floatably arranged on the base, when the butt joint electric connector of the hard disk device and the electric connector are mutually inserted, the butt joint electric connector and the electric connector have the function of elastic buffering, and the joint can float along with the hard disk device to effectively disperse force, so that the damage to the hard disk device, the butt joint electric connector and the electric connector can be avoided.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, refers in particular to a kind of be used for and a circuit board electrically connects, and can dock electric connector with one and peg graft mutually, and the effect of elastic buffer can be provided, and scatters one's forces effectively, and avoids causing the electric connector of damage.

Background technology

Existing electric connector can be used to electrically connect with a circuit board, and the electric connector that docks that can make this electric connector and be arranged at the hard disk unit rear end is pegged graft mutually, and then make this hard disk unit to realize electrically connecting by butt joint electric connector, electric connector and circuit board, so that transmit electric signal.

Above-mentioned existing electric connector is fixing single type design, when the butt joint electric connector of hard disk unit and this electric connector are pegged graft mutually, there is no the space of elastic buffer between the two, and this hard disk unit usually is installed in the portable electronic products such as notebook computer, therefore fragile hard disk unit is rocking because of electronic product easily, factor such as move and cause damage, especially hard disk unit is when rocking, have torsion between the butt joint electric connector of hard disk unit and the electric connector and produce the as easy as rolling off a log hard disk unit 4 that causes, the damage of butt joint electric connector 5 and electric connector.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of electric connector is provided, and it can provide the effect of elastic buffer, and can scatter one's forces effectively, and can avoid causing the damage of hard disk unit, butt joint electric connector and electric connector.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electric connector is provided, comprise a joint and a base, this joint has a joint body, these joint body both sides respectively are provided with a guide rail, this joint body is provided with a plurality of terminal grooves, and these terminal grooves contain a plurality of terminals, and these terminal one ends stretch out outside the joint body; This base has a base body, these base body both sides respectively are connected with a teat, this two teats inboard respectively is provided with a chute, this base body is provided with a plurality of change-over terminal pilot trench, these change-over terminal pilot trench contain a plurality of conversion terminals, these conversion terminals respectively have a contact site and a weld part, and this weld part stretches out outside this base body; Guide rail and the chute of base body both sides of above-mentioned joint body by its both sides is slidingly matched and but this joint floating ground is arranged on the base, and terminal one end of this joint inserts the contact site electric connection of change-over terminal pilot trench with the conversion terminal of base.

The beneficial effects of the utility model are: by electric connector is adopted two-piece design, this electric connector is divided into joint and base, but this joint floating ground is arranged on the base, when the butt joint electric connector of hard disk unit and this electric connector are pegged graft mutually, the effect that has elastic buffer between the two, the joint that floats can followed hard disk unit and floated, and can scatter one's forces effectively, so can avoid causing the damage of hard disk unit, butt joint electric connector and electric connector.

For further setting forth feature of the present utility model and technology contents, below in conjunction with accompanying drawing preferred implementation of the present utility model is described in detail as follows, but following explanation only is used for setting forth the utility model, but not interest field of the present utility model is done any restriction.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the further three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model electric connector.

Fig. 4 is the stereogram of the utility model electric connector.

Fig. 5 is the utility model electric connector and the stereogram that docks the electric connector decomposing state.

Fig. 6 is the utility model electric connector and the stereogram that docks the electric connector assembled state.

Embodiment

See also Fig. 1 to Fig. 4, the utility model provides a kind of electric connector, refer in particular to a kind of can with the electric connector that electric connector is pegged graft mutually and realize to be electrically connected that docks that is arranged at hard disk unit, this electric connector includes a joint 1 and a base 2.

Wherein, this joint 1 has a joint body 11, this joint body 11 is made by plastic material, these joint body 11 right parts and left part are distinguished, form a power supply area 111 and a signal region 112 respectively, the power supply area 111 of this joint body 11 and signal region 112 respectively are provided with a plurality of terminal grooves 113, and these joint body 11 front ends are formed with socket 114, these terminal groove 113 front ends communicate with socket 114, these terminal groove 113 rear ends then are through to joint body 11 rear ends, these terminal grooves 113 are used for accommodating a plurality of terminals 12 respectively, 13, include power supply terminal 12 and signal terminal 13.

These terminals 12,13 are made by conductivity good metal material, each terminal 12,13 have a fixed part 121,131, one contact site 122,132 and one pin portion 123,133, these terminals 12,13 utilize fixed part 121,131 are embedded in the terminal groove 113 that is fixed in joint body 11, this contact site 122,132 by fixed part 121,131 1 ends extend bending and form, this contact site 122,132 and stretch in this socket 114, this pin portion 123,133 by fixed part 121, the extension of 131 other ends forms, this pin portion 123,133 stretch out outside joint body 11 rear ends, and extend suitable length downwards.

These joint body 11 both sides respectively are provided with a guide rail 115 and a reference column 116, these two guide rails, 115 one-body molded this joint body 11 both sides rear end that are connected in, this guide rail 115 roughly is the cylinder of vertical configuration, and this two guide rail 115 protrudes in the suitable height in joint body 11 tops and bottom, this reference column 116 roughly is the cylinder of level, and its front end forms cone-shaped, and these two guide rails, 115 outside place near to the upper end respectively are provided with a breach 117, and this breach 117 also is extended with suitable height.

This base 2 has a base body 21, this base body 21 is made by plastic material, this base body 21 is provided with a plurality of and above-mentioned terminal groove 113 corresponding change-over terminal pilot trench 211, these change-over terminal pilot trench 211 are through to base body 21 tops and bottom, and these change-over terminal pilot trench 211 are used for accommodating a plurality of conversion terminals 22.

These conversion terminals 22 are made by conductivity good metal material, each conversion terminal 22 has a fixed part 221, one contact site 222 and a weld part 223, in the change-over terminal pilot trench 211 that these conversion terminals 22 utilize fixed part 221 to be embedded to be fixed in base body 21, this contact site 222 and weld part 223 are connected in fixed part 221, this contact site 222 also is arranged in change-over terminal pilot trench 211, this contact site 222 forms a clamp structure, can be used to the terminal 12 that flexibly clamping is inserted, 13 pin portion 123,133, outside 223 protuberate basic unit body 21 bottoms of this weld part, be used for being welded on the electrical contact 31 of a circuit board 3, make the conversion terminal 22 of this base 2 realize electrically connecting with circuit board 3.

These base body 21 both sides and middle place respectively are connected with a teat 212 and 217, these teats 212 and 217 outstanding suitable height, teat 212 inboards of these both sides respectively are provided with a chute 213, this chute 213 extends along teat 212 short transverses, and respectively is provided with a projection 214 in these chute 213 inboard place near to the upper end.These base body 21 both sides respectively are provided with one first holddown groove 215, be embedded respectively in this two first holddown groove 215 and be fixed with a fixture 23, this fixture 23 is the plate latch fitting, is used for snap fit on circuit board 3 in the corresponding fixing hole 32, makes being locked on the circuit board 3 that this base 2 can be firm.Be provided with one second holddown groove 216 in the middle of this base body 21, be embedded in this second holddown groove 216 and be fixed with positioning piece 24, this keeper 24 is planted and is positioned on the circuit board 3 to be used for base 2 accurate in locating on circuit board 3 in the corresponding positioning hole 33.

Above-mentioned joint 1 relocatable being arranged on the base 2, promptly this joint body 11 is that guide rail 115 with both sides is snug fit in the chute 213 of base body 21 both sides, make that this joint 1 is liftable to be arranged on the base 2 and to have unsteady effect, and make projection 214 be matched with in the breach 117, the height of this breach 117 is higher than the height of projection 214, make joint 1 rise when floating to certain height, can utilize projection 214 to contact at breach 117 lower ends and produce the effect of block location, rising with limiting joint 1 is floated, and can prevent that joint 1 breaks away from base 2.In the middle of this joint body 11 place be formed with one with this base body 21 in the middle of the teat 217 corresponding trepannings 118 at place, this trepanning 118 is socketed on the teats 217 at place in the middle of this base body 21 slidably, so that this joint 1 is more stable when floating on base 2.

But this joint 1 floating ground is arranged on the base 2, the pin portion 123,133 of the power supply terminal 12 of this joint 1 and signal terminal 13 1 ends inserts in the change-over terminal pilot trench 211 of base 2, make the pin portion 123,133 of power supply terminal 12 and signal terminal 13 contact the realization electric connection with the contact site 222 of conversion terminal 22, and make that realization electrically connects between this joint 1 and the base 2; Constitute the utility model electric connector by above-mentioned structure.

See also Fig. 5 and Fig. 6, the utility model electric connector can be pegged graft mutually with an electric connector 5 that docks that is arranged at hard disk unit 4 rear ends, these butt joint electric connector 5 both sides respectively are provided with a location notch 51, so that cooperate with the reference column 116 of these electric connector both sides, guide this electric connector and dock electric connector 5 and engage accurately, and utilize the power supply terminal 12 of this joint 1 and the contact site 122 of signal terminal 13,132 terminal 52 contacts corresponding with this butt joint electric connector 5, and then make that this hard disk unit 4 can be by butt joint electric connector 5, electric connector and circuit board 3 are realized electrically connecting and are transmitted electric signal.

The utility model mainly is that electric connector is adopted two-piece design, and this electric connector is divided into joint 1 and base 2, but and this joint 1 floating ground be arranged on the base 2.When the butt joint electric connector 5 of hard disk unit 4 is pegged graft mutually with this electric connector, the effect that has elastic buffer between the two, this joint 1 has unsteady effect, can follow hard disk unit 4 floats, and can scatter one's forces effectively, so can avoid causing the damage of hard disk unit 4, butt joint electric connector 5 and electric connector.

And, but joint 1 floating ground of the present utility model is arranged on the base 2, therefore can adjust the height of joint 1 plug surface, can be according to the butt joint different demands of electric connector and elasticity is adjusted the height of joint 1 plug surface, promptly only need to make a mold, can produce the electric connector of multiple different plug surface height, so production cost is significantly reduced.

Claims (11)

1, a kind of electric connector, it is characterized in that: this electric connector comprises a joint and a base, this joint has a joint body, these joint body both sides respectively are provided with a guide rail, this joint body is provided with a plurality of terminal grooves, these terminal grooves contain a plurality of terminals, and these terminal one ends stretch out outside the joint body; This base has a base body, these base body both sides respectively are connected with a teat, this two teats inboard respectively is provided with a chute, this base body is provided with a plurality of change-over terminal pilot trench, these change-over terminal pilot trench contain a plurality of conversion terminals, these conversion terminals respectively have a contact site and a weld part, and this weld part stretches out outside this base body; Guide rail and the chute of base body both sides of above-mentioned joint body by its both sides is slidingly matched and but this joint floating ground is arranged on the base, and terminal one end of this joint inserts the contact site electric connection of change-over terminal pilot trench with the conversion terminal of base.

2, electric connector as claimed in claim 1 is characterized in that: this two guide rails outside place near to the upper end respectively is provided with a breach, and the inboard place near to the upper end of this chute respectively is provided with a projection that can be placed in the breach.

3, electric connector as claimed in claim 1, it is characterized in that: the joint body of this joint is divided into a power supply area and a signal region, these terminal grooves are located at the power supply area and the signal region of this joint body respectively, these terminals comprise power supply terminal and signal terminal, and it is contained in respectively in the terminal groove of power supply area and signal region.

4, electric connector as claimed in claim 1, it is characterized in that: the joint body front end of this joint is formed with socket, each terminal of this joint has a fixed part, a contact site and a pin portion, these terminals are fixed in the terminal groove of joint body by means of fixed part, this contact site stretches in this socket, and this pin portion stretches out outside the joint body.

5, electric connector as claimed in claim 1 is characterized in that: the joint body both sides of this joint respectively are provided with a reference column.

6, electric connector as claimed in claim 1 is characterized in that: the place is formed with a trepanning in the middle of the joint body of this joint, and the place is connected with a teat in the middle of the base body of this base, and this trepanning is socketed on the teat at the middle place of this base body slidably.

7, electric connector as claimed in claim 1 is characterized in that: the weld part of the conversion terminal of this base is welded on the circuit board.

8, electric connector as claimed in claim 7 is characterized in that: the base body both sides of this base are fixed with a fixture respectively, and this fixture is fixed on the circuit board in the corresponding fixing hole.

9, electric connector as claimed in claim 8 is characterized in that: the base body both sides of this base respectively are provided with one first holddown groove, and this two fixture is embedded respectively and is fixed in this two first holddown groove.

10, electric connector as claimed in claim 7 is characterized in that: the base body center fixed of this base has positioning piece, and this keeper is positioned on the circuit board in the corresponding positioning hole.

11, electric connector as claimed in claim 10 is characterized in that: be provided with one second holddown groove in the middle of this base body, this keeper is embedded and is fixed in this second holddown groove.

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