CN2798356Y - Electrical connector - Google Patents

Abstract

The utility model discloses an electric connector can dock with a complex connector. The electric connector comprises an insulating body, limiting assemblies arranged at two ends of the insulating body and positioning columns limited by the limiting assemblies. The limiting component comprises a first stop part, a second stop part and a first elastic part. Each stop piece is provided with a base part and a step-shaped boss protruding from the base part. The boss has a first step surface and a second step surface. The first elastic piece is arranged between the first stop piece and the second stop piece. When the positioning column is not butted, the positioning column is abutted against the first step surface. When the electric connector is butted with a matched connector, each stop part is stressed to contract inwards the positioning column and compress the first elastic part, so that the positioning column slides to the second step surface from the first step surface to shorten the height relative to the insulating body, and the aim of reducing the height of a system after butting is fulfilled. The utility model has the advantages of correct guiding, positioning and height reduction after butt joint.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly a kind of electric connection electronic product and expansion seat, and can reduce the electric connector that it docks the back height.

Background technology

For for electronic products such as notebook computer or personal digital assistant, for the ease of carrying, on the whole all only main outfit can be installed, inessential outfit then is installed on one and expands seat, this electronic product then respectively is provided with electric connector and butt connector with expanding seat, uses to dock each other and allow the function of this electronic product obtain expanding.In addition, influence conductivity in order to prevent attaching of dust, can be provided with dust excluding plate on the expansion seat.

One prior art sees also Fig. 1, and an electric connector 1 has the reference column 12 that an insulating body 11, two is located at these insulating body 11 two ends.The interface 111 of this insulating body is provided with a plurality of openings 112, and each opening 112 inwall then is provided with a plurality of terminals 13.One butt connector 2 that docks with this electric connector 1 has a butt joint body 21, two and is located at this butt joint body 21 two ends with respect to 213 of the location holes of described reference column 12.This butt joint body 21 also is provided with the Plug Division 212 that is provided with a plurality of terminals 25 with respect to this opening 112 and outer wall; And, on this butt joint body 21 also lid be covered with a dust excluding plate 23 with a plurality of openings 231,212 of each Plug Divisions appear by each opening 231, and this dust excluding plate 23 also is provided with a plurality of elastic partss (can with reference to 22 among the figure 2) and elastic restoring force is provided for this dust excluding plate 23 with docking between the body 21.The two side of this butt joint body 21 also respectively is provided with a metal screen 24, and the two ends of each metal screen 24 are respectively to have protruded out stop section 241 on, uses block on this dust excluding plate 23 and avoid dust excluding plate 23 to deviate from up.

When this two connector docks each other, this two reference column 12 will be inserted in earlier in the two relative location holes 213, make the interface 111 of this electric connector 1 be connected to the dust excluding plate 23 of this butt connector 2 again, then these dust excluding plate 23 elasticity are pressed down, and make this insulating body 11 can butt up against butt joint body 21 and reach electric connection.

For preventing that dust excluding plate 23 from being opened by false touch, as shown in Figure 2, have additional a fastener 3 and two storage tanks 26,27 between the butt joint body 21 of the butt connector 2 of another existing electric connector 1 and two location holes 213.

This fastener 3 comprises two main bodys 31,32 that are placed in respectively in the relative storage tank 26,27, and each main body 31,32 comprises a stop section 313, an Actuator Division 314, an elastic arm 312, reaches one in order to be fixed in the fixed parts 311 in storage tank 26 or 27.This two elastic arm 312 is elastic reset power to be provided for respectively two main bodys 31,32 of this fastener 3, this Actuator Division 314 is to be inserted in the location hole 213, stop section 313 then block in this dust excluding plate 23 be subjected to stopper 232 times, make dust excluding plate 23 be subjected to the block of this stop section 313 and be unlikely false touch and open.

This two connector is at the beginning of butt joint, and each reference column 12 will strut two Actuator Divisions 314 of each fastener 3 earlier, and two stop sections 313 are removed synchronously linkedly in described stopper 232 belows that are subjected to, and this dust excluding plate 23 is to be in the state for the treatment of stressed pressing down and sinking to.Then, the interface 111 of this electric connector 1 is pressed to the end with dust excluding plate 23, so use the purpose that reaches electric connection, in other words, only this electric connector 1 docks with butt connector 1, otherwise can't press down its dust excluding plate 23 by alternate manner, be the function that this dust excluding plate 23 is opened in the anti-false touch of tool.

Because reference column 12 length of this electric connector 1 must exceed its insulating body 11, just can reach the effect of correcting in advance, location.Yet the length of this two reference column 12 is fixed, therefore this electric connector 1 is with after butt connector 3 docks each other, whole height after the butt joint is subject to the regular length of these reference columns 12 and can't reduces on the one hand, does not meet light, thin, short, the little market demand of universal demand now; On the other hand, constantly urge reference column 12, damage butt connector 3 place circuit board P most probably, influence product quality for butt joint puts in place.

Based on the problems referred to above, existing electric connector still remains to be improved.

The utility model content

The purpose of this utility model just is to provide a kind of electric connector, and this electric connector promptly has the function of correcting location when the electric connector butt joint that is mated, can reduce whole height again after butt joint; And can not damage butt connector place circuit board.

For achieving the above object, the utility model provides following technical proposals: a kind of electric connector, the connector that can cooperate with a butt joint.It comprises an insulating body, is located at the limit assembly at these insulating body two ends, and is the spacing reference column of this limit assembly.This limit assembly comprises one first stop part, one second stop part, and at least one first elastic component.Each reference column is provided with the corresponding breach that cooperates with first, second stop part.When electric connector during with the butt joint of the connector that cooperates, first stop part and second stop part are stressed and distance shortens, and first elastic component compresses; Accordingly, this reference column shortens with respect to the height of insulating body.

In one embodiment, each stop part has a step-like boss that is stuck in the reference column breach, and after electric connector and the connector butt joint that cooperates, reference column slides to this boss one by indentation, there and shortens the step surface of reference column with respect to the insulating body height.This limit assembly also comprises a pedestal, at least one first locating part, at least one second locating part, and at least one second elastic component.Pedestal is a circular base that protrudes out on institute's insulating body.First locating part and second locating part are a pin or screw.Pedestal is provided with first perforate of 180 degree symmetries, and first locating part that each stop part is provided with corresponding the 3rd perforate can penetrate from one first perforate, passes each the 3rd perforate successively, and passes from another first perforate, and stop part is limited in pedestal.Also be provided with second perforate on the pedestal, reference column is provided with corresponding the 4th perforate, and second locating part can pass each perforate successively and reference column is spacing.In addition, first elastic component also can be sheathed on a connecting portion that protrudes out on first stop part, maybe can be located at first locating part.For supporting reference column, at least one supporting leg is extended in the reference column lower end, and second elastic component is sheathed on this supporting leg.

The utility model has the advantages that: the utility model increases the limit assembly of spacing reference column than prior art, and butt joint back reference column slides into a reposition and shortens height with respect to insulating body on this limit assembly, and then reduces the height of whole system.Thereby electric connector of the present utility model both can have the advantage that adapts to the product miniaturization again in the correct correcting of when butt joint, location.

Description of drawings

Fig. 1 is the stereogram of a prior art electric connector and butt connector;

Fig. 2 is the exploded view of another prior art electric connector and butt connector;

Fig. 3 is one according to electric connector of the present utility model;

Fig. 4 is a butt connector that docks with electric connector among Fig. 3;

Fig. 5 is the three-dimensional exploded view when limit assembly and reference column are unassembled among Fig. 3;

Fig. 6 is the stereogram after the assembling of limit assembly and reference column among Fig. 3;

Fig. 7 a is the vertical view of a certain angle of Fig. 6;

Fig. 7 b is the cutaway view along AA line intercepting among Fig. 7 a;

Fig. 8 is a strutting piece and the stereogram of dust excluding plate when not docking among Fig. 4;

Fig. 9 a is according to another electric connector vertical view of the present utility model;

Fig. 9 b is the cutaway view along BB line intercepting among Fig. 9 a.

Symbol description among the figure:

3 electric connectors	31 insulating bodies
		311 interfaces	312 boss
313 grooves
		32 terminals
4 butt connectors	41 location holes
		42 storage tanks
43 strutting pieces	430 location divisions
		431 elastic arms	432 Actuator Divisions
433 support portions
		44 dust excluding plates
5 limit assemblies	50 pedestals
		501 first perforates	502 second perforates
51 first locating parts	52 second locating parts
		53 first stop parts	530,540 base portions
531,541 boss	532,542 first step faces
		533,543 second step faces	534 connecting portions
535,545 the 3rd perforates
		54 second stop parts	544 accepting grooves
55 first elastic components	56 second elastic components
		6 reference columns	60 cylinders
600 breach	601 the 4th perforates
		602 supporting legs
61 tops

Embodiment

For better understanding spirit of the present utility model, it is described further below in conjunction with a preferred embodiment of the present utility model.

Figure 3 shows that one according to electric connector 3 of the present utility model, this electric connector 3 connects an electronic product (not shown), as notebook computer.Figure 4 shows that one is located at the butt connector 4 of the expansion seat (not shown) of this electronic product correspondence.Dock this electric connector 3 and butt connector 4, this electronic product can be electrically connected to it and expand seat.

Return Fig. 3, this electric connector 3 has an insulating body 31, two and is located at the limit assembly 5 at these insulating body 31 two ends and is the spacing reference column 6 of this limit assembly 5.This insulating body 31 has interface 311, one boss 312 that contact with butt connector 4 and protrudes out on this interface 311.These boss 312 inside are provided with a plurality of grooves 313, and each groove 313 inwall is provided with a plurality of terminals 32.

Please refer to Fig. 5,7a-7b, this limit assembly 5 has a circular base 50 that protrudes out from body 31 two ends of insulating, at least one first locating part 51, at least one second locating part 52, one first stop part 53 and one second stop part 54, at least one first elastic component 55 and at least one second elastic component 56.This first locating part 51 and second locating part 52 are respectively a pin and fasten in the present embodiment, and at least one first elastic component 55 is a spring, and at least one second elastic component 56 is two springs.This circular base 50 is provided with first perforate 501 of 2 180 degree symmetries, and is located at one second perforate 502 of one first perforate, 501 sides.Each stop part 53,54 has a base portion 530,540, reaches the stepped boss 531,541 that protrudes out from base portion 530,540 1 ends.This boss 531,541 has corresponding first step face 532,542, and a second step face 533,543.Wherein, first stop part 53 protrudes out and protrudes out a junction 534 (can be shaft-like, or various ways such as column) on the opposite sides of boss 531, and base portion 540 respective side of second stop part 54 then are provided with accepting groove 544 that should connecting portion 534.Under the initial condition, the length of this connecting portion 534 cooperates with accepting groove 544 degree of depth, should satisfy connecting portion 534 free ends and accommodate to accepting groove 544, and accepting groove 544 still has enough free spaces (this accepting groove 544 also can be through hole).Also be provided with on each stop part 53,54 in addition with pedestal 50 on the 3rd corresponding perforate 535,545 of first perforate 501.

Reference column 6 has a hollow cylinder 60, and the slick and sly top 61 of extending from these cylinder 60 upper ends.This hollow cylinder 60 extends upward the strip breach 600 of 2 180 degree symmetries from the bottom, each breach 600 is corresponding with corresponding stop part 53,54.Breach 600 sides be provided with pedestal 50 on the 4th corresponding perforate 601 of second perforate 502.Cylinder bottom between two breach 600 is provided with the supporting leg 602 of fork-shaped, and each second elastic component 56 can be set in respectively on the supporting leg 602 and this reference column 6 of resiliency supported.

Shown in Fig. 6,7a-7b, when not docking, first stop part 53 and second stop part 54 place in pedestal 50 in boss 531,541 outside modes: the free end of the connecting portion 534 on first stop part 53 place in accepting groove 544, the first elastic components 55 of second stop part 54 be sheathed on the connecting portion 534 and two ends against each stop part 53,54; This first locating part 51 is inserted into the 3rd perforate 535 of first stop part 53 from one first perforate 501, passes the cylinder 60 of hollow and the 3rd perforate 545 on second stop part 54, is passed by another relative first perforate 501 at last; Thereby with each stop part 53,54 relative positioning in pedestal 50.The top of each breach 600 of reference column 6 is resisted against the first step face 532,542 of respective stopping part 53,54, and to this reference column 6 of upper support.Second perforate 502 of second locating part 52 on pedestal 50 inserted, and passes the 4th perforate 601 on the cylinder 60, thereby can prevent that reference column 6 from coming off from the body 31 that insulate.

As Fig. 4, the butt connector 4 that docks with this electric connector 3 is prior aries, here brief description only.Each location hole 41 outside of this butt connector 4 are provided with a storage tank 42, one strutting pieces 43 and promptly are contained in this storage tank 42.As Fig. 8, this strutting piece 43 comprises a location division 430, extends the Actuator Division 432 of location hole 41 tops from the elastic arm 431 of these location division 430 1 ends, two lateral bucklings and symmetry extension, from these elastic arm 431 vertical bendings in opposite directions, and the support portion 433 of continuing extension from these elastic arm 431 1 ends.This support portion 433 extends dust excluding plate 44 belows.When not docking, these support portion 433 rest dust excluding plates, 44 lower surfaces prevent that this from dustproof pull 44 and fall naturally because of the gravity reason.

When electric connector 3 docked with butt connector 4, reference column 6 inserted corresponding location hole 41 earlier.Along with the insertion of reference column 6, convexedly stretch in Actuator Divisions 432 in the location hole 41 post 6 that is positioned and outwards push, and being moved apart, support portion 433 dustproofly pulls 44 under the drive of elastic arm 431, cause dustproof 44 whereabouts and expose docking section 45 naturally of pulling.In the docking operation, because of two stop parts, 53, the 54 place maximum radius on the reference column 6 greater than storage tank 42 radiuses, cause stop part 53,54 pushed and to connecting portion 534 is advanced to accepting groove 544 depths by storage tank 42 cell walls, and drive first elastic component 55 and be subjected to force compresses, this moment, breach 600 tops of reference column 6 slided to second step face 533,543 respectively by first step face 532,542 when 61 contact location holes, 41 bottoms, the top of reference column 6.Reference column 6 is made by pushing tow and compresses second elastic component 56, the reference column 6 and the distance of interface is shortened, and reach the purpose that butt joint back whole height shortens.After mated condition was eliminated, cylinder 60 recovered under the elastic reaction of second elastic component 56, and first stop part 53 and second stop part 54 restPose under the elastic acting force of first elastic component 55.

The connecting portion of first stop part also can be parts independently, reaches the effect identical with previous embodiment by accepting groove is set on each stop part simultaneously.Shown in Fig. 9 a, 9b, at electric connector 3 ' this connecting portion of another embodiment even be cancelled, first elastic component 53 is directly to be set on first locating part 52.

Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application claim.

Claims (10)

1. electric connector, the connector that can cooperate butt joint with one; It comprises an insulating body, is located at the limit assembly at these insulating body two ends, and is engaged in the reference column of this limit assembly; It is characterized in that: this limit assembly comprises one first stop part, one second stop part, and at least one first elastic component of being located between first stop part and second stop part; Each reference column is provided with the corresponding breach that cooperates with first, second stop part; When electric connector during with the butt joint of the connector that cooperates, first stop part and second stop part are stressed and distance shortens, and first elastic component compresses; Accordingly, this reference column shortens with respect to the height of insulating body.

2. electric connector as claimed in claim 1, it is characterized in that: described each stop part has a step-like boss that is stuck in the reference column breach, after electric connector and the butt joint of the connector that cooperates, reference column slides to the step surface that this boss one shortens the relative insulating body height of reference column by indentation, there.

3. electric connector as claimed in claim 1 is characterized in that: described limit assembly also comprises a pedestal, at least one first locating part, at least one second locating part.

4. electric connector as claimed in claim 3 is characterized in that: described pedestal is a circular base that protrudes out on described insulating body.

5. electric connector as claimed in claim 3 is characterized in that: described first locating part and second locating part are a pin or screw.

6. electric connector as claimed in claim 3 is characterized in that: described pedestal is provided with first perforate of 180 degree symmetries, and described each stop part is provided with corresponding the 3rd perforate; One first locating part can penetrate from one first perforate, passes each the 3rd perforate successively, and passes from another first perforate, and stop part is limited in pedestal.

7. electric connector as claimed in claim 3 is characterized in that: described pedestal is provided with second perforate, and described reference column is provided with corresponding the 4th perforate; Second locating part can pass second perforate, the 4th perforate successively and reference column is spacing.

8. electric connector as claimed in claim 1 is characterized in that: described first elastic component is sheathed on first locating part.

9. electric connector as claimed in claim 2 is characterized in that: described limit assembly also comprises a connecting portion that protrudes out on first stop part, and described first elastic component is sheathed on this connecting portion.

10. electric connector as claimed in claim 1 is characterized in that: at least one supporting leg is extended in described reference column lower end, and described locating part also comprises at least one second elastic component on the insulating body of being located at, and described second elastic component is sheathed on this supporting leg.

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