Utility model content
The main purpose of the utility model is to propose a kind of charging contact pin, it is intended to solve existing charging contact pin repair not
Just, cause the higher technical problem of the maintenance cost of electric connector.
To achieve the above object, the utility model proposes charging contact pin include:
Contact pin ontology has a plug division;
Contact pin sleeve is sheathed on the periphery of the plug division;And
An at least resilient contact is folded between the plug division and the contact pin sleeve, and the resilient contact
It is in electrical contact respectively with the plug division and the contact pin sleeve.
Preferably, the plug division is in the form of a column, and at least two resilient contacts are sheathed on the periphery wall of the plug division,
And axially spaced-apart of the resilient contact along the plug division is arranged.
Preferably, the plug division is in the form of a column, and at least one resilient contact is set to the tail portion of the plug division, described
Contact pin sleeve includes fixed section and the contact-segment for being connected to described fixed section one end, the internal face of the contact-segment formed with it is described
The electric interface of resilient contact cooperation, the fixed section are threadedly coupled with the plug division.
Preferably, the resilient contact is annular spring, and the outside wall surface of the plug division, which is equipped with, supplies the annular spring
Accommodating annular groove.
Preferably, the annular spring includes the fixed ring being sheathed in the annular groove, and along the fixed ring
Circumferentially and can the radial elastic of the fixed ring stretch multiple elastic card claws.
Preferably, the periphery wall of the plug division tail portion is equipped with convex shoulder, and the convex shoulder has the first confined planes, the charging
Contact pin further includes the insulator cap set on the plug division top, and the insulator cap has the second confined planes, the contact pin sleeve
Both ends are abutted against with first confined planes and the second confined planes respectively.
Preferably, the insulator cap includes stud and the cap body set on the stud top, and the cap body protrudes the spiral shell
The peripheral surface of column, second confined planes are formed in one side of the cap body towards the convex shoulder, and the top of the plug division is set
There is the screw hole being spirally connected for the stud.
Preferably, the cap body is equipped with the notch planted for bottle opener away from the end face of the convex shoulder.
Preferably, the contact pin ontology further includes the wire connecting portion abutted with the plug division, and the end face of the wire connecting portion is set
There is the wiring hole connected for cable.
The utility model also proposes a kind of electric connector, which includes charging contact pin, and the charging contact pin includes:
Contact pin ontology has a plug division;
Contact pin sleeve is sheathed on the periphery of the plug division;And
An at least resilient contact is folded between the plug division and the contact pin sleeve, and the resilient contact
It is in electrical contact respectively with the plug division and the contact pin sleeve.
The utility model charges contact pin by contact pin ontology and the split type setting of contact pin sleeve, is provided on contact pin ontology slotting
Contact pin sleeve is sheathed on the periphery of plug division by socket part.Since the outside wall surface of contact pin sleeve is prone to wear out as mating surface, grinding
After damage, only contact pin sleeve need to be removed replacement, without contact pin and the electric connector progress dismounting and change of entirely charging, behaviour
Make simply, it is easy to repair, maintenance cost can be effectively reduced, maintenance cycle is shortened.Also, between plug division and contact pin sleeve
It is provided with resilient contact, can effectively increase the electrical contact area between plug division and contact pin sleeve, reduces contact resistance,
To ensure that charging contact pin has good electric property.The utility model charging contact pin structure is simple, easy to repair, is conducive to drop
The maintenance cost of low electric connector.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model charging one embodiment of contact pin;
Fig. 2 is the internal cross section structural schematic diagram of charging contact pin in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of charging contact pin in Fig. 1;
Fig. 4 is the structural schematic diagram of one embodiment of contact pin main body in Fig. 3;
Fig. 5 is the structural schematic diagram of the utility model charging another embodiment of contact pin;
Fig. 6 is the internal cross section structural schematic diagram of charging contact pin in Fig. 5;
Fig. 7 is the decomposition texture schematic diagram of charging contact pin in Fig. 5;
Fig. 8 is the structural schematic diagram of one embodiment of contact pin main body in Fig. 7;
Fig. 9 is the internal cross section structural schematic diagram of charging sleeve in Fig. 7;
Figure 10 is the structural schematic diagram of one embodiment of resilient contact.
Drawing reference numeral explanation:
Label |
Title |
Label |
Title |
Label |
Title |
100 |
Charge contact pin |
13 |
Wire connecting portion |
31 |
Fixed ring |
10 |
Contact pin ontology |
131 |
Wiring hole |
32 |
Elastic card claw |
11 |
Plug division |
20 |
Contact pin sleeve |
40 |
Insulator cap |
111 |
Annular groove |
21 |
Fixed section |
41 |
Stud |
112 |
Screw hole |
22 |
Contact-segment |
42 |
Cap body |
12 |
Convex shoulder |
221 |
Electric interface |
421 |
Second confined planes |
121 |
First confined planes |
30 |
Resilient contact |
422 |
Notch |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of charging contact pins 100.
In the utility model embodiment, as shown in Figures 1 to 9, which includes contact pin ontology 10, contact pin
Sleeve 20 and at least a resilient contact 30.Wherein, contact pin ontology 10 has a plug division 11.Contact pin sleeve 20 is sheathed on grafting
The periphery in portion 11.Resilient contact 30 is folded between plug division 11 and contact pin sleeve 20, and resilient contact 30 respectively with insert
Socket part 11 and contact pin sleeve 20 are in electrical contact.
In the present embodiment, which is applied to the electric connectors such as charging gun or cradle, to it is mating
Female terminal grafting is to realize electrical connection.It is understood that contact pin ontology 10, contact pin sleeve 20 and resilient contact 30 are
Conductive material is made.Contact pin sleeve 20 is sheathed on the periphery of plug division 11 and can be disassembled from plug division 11, wherein contact pin
Threaded connection, clamping can be used between sleeve 20 and plug division 11 or be assemblied in one using other modes.Resilient contact 30
Periphery set on plug division 11, after contact pin sleeve 20 is assemblied on plug division 11, resilient contact 30 by external force squeeze and
Generation electrical contact is abutted with plug division 11 and 20 elasticity of contact pin sleeve respectively, to ensure between contact pin sleeve 20 and contact pin ontology 10
With good electric property.In addition, resilient contact 30 due to natural resiliency deform, can be to contact pin sleeve 20 in plug division 11
Certain restriction effect is played in axial movement, to be conducive to the fixation of contact pin sleeve 20, is being shaken to avoid contact pin sleeve 20
It is slipped from contact pin ontology 10 when being used in the case of dynamic.
The utility model charges contact pin 100 by contact pin ontology 10 and the 20 split type setting of contact pin sleeve, in contact pin ontology 10
On be provided with plug division 11, contact pin sleeve 20 is sheathed on to the periphery of plug division 11.Due to the outside wall surface conduct of contact pin sleeve 20
Mating surface is prone to wear out, and upon wear, only need to contact pin sleeve 20 be removed replacement, without the contact pin 100 that will entirely charge
And electric connector carries out dismounting and change, and it is easy to operate, it is easy to repair, maintenance cost can be effectively reduced, maintenance cycle is shortened.And
And resilient contact 30 is provided between plug division 11 and contact pin sleeve 20, it can effectively increase plug division 11 and contact pin set
Electrical contact area between cylinder 20 reduces contact resistance, to ensure that charging contact pin 100 has good electric property.This reality
It is simple in structure with New-type charge contact pin 100, it is easy to repair, advantageously reduce the maintenance cost of electric connector.
Further, as shown in Figures 1 to 4, in one embodiment, plug division 11 is in the form of a column, at least two resilient contacts
30 are sheathed on the periphery wall of plug division 11, and axially spaced-apart of the resilient contact 30 along plug division 11 is arranged.In the present embodiment,
Plug division 11 is in the form of a column, and be may be, for example, cylindric or square column etc., can be configured according to the shape of matched female terminal,
Following embodiment is mainly illustrated with cylindric.By the way that multiple resilient contacts 30 are arranged, can further increase slotting
Electrical contact area between socket part 11 and contact pin sleeve 20 reduces contact resistance, to ensure that it is good that charging contact pin 100 has
Electric property.In practical applications, resilient contact 30 may be configured as two, three or more, about resilient contact 30
Particular number and installation site can be configured according to actual conditions.
Further, as shown in Figures 5 to 9, in another embodiment, plug division 11 is in the form of a column, at least an Elastic Contact
Part 30 is set to the tail portion of plug division 11, and contact pin sleeve 20 includes fixed section 21 and is connected to the contact-segment 22 of 21 one end of fixed section,
The internal face of contact-segment 22 forms the electric interface 221 coordinated with resilient contact 30, and fixed section 21 connects with 11 screw thread of plug division
It connects.
In the present embodiment, contact pin sleeve 20 includes contact-segment 22 and fixed section 21, wherein the internal face shape of fixed section 21
At flank, the internal face of contact-segment 22 forms electric interface 221.In assembly, with the fixed section 21 of contact pin sleeve 20
Screw in, resilient contact 30 is squeezed and contacted with electric interface 221, to realize contact pin sleeve 20 and contact pin ontology 10 it
Between stablize mechanical connection and electrical connection.Preferably, in order to further increase between resilient contact 30 and electric interface 221
Electric property, can be carried out on electric interface 221 electroplating processes or coating the higher conductive material of conductivity.Contact pin sleeve 20
Using being threadedly coupled between plug division 11, Assembly stability is higher, and easy to disassemble.
Further, Fig. 4, Fig. 8 and Figure 10 are please referred to, resilient contact 30 is annular spring, the outside wall surface of plug division 11
Equipped with the annular groove 111 housed for annular spring.Preferably, annular spring includes the fixed ring 31 being sheathed in annular groove 111,
And along fixed ring 31 circumferentially and can the radial elastic of fixed ring 31 stretch multiple elastic card claws 32.
In the present embodiment, annular groove 111 is arranged by the outside wall surface in plug division 11, in assembly, first by annular snap
Spring is placed in annular groove 111, then contact pin sleeve 20 is sheathed on to the periphery of plug division 11.Specifically, annular spring includes fixing
Pressing and bending molding can be used in ring 31 and the elastic card claw 32 in fixed ring 31, elastic card claw 32.Fixed ring 31 is circumferentially
Multiple notches are equipped at intervals with, elastic card claw 32 includes the ring heart inclination extension for connecting and deviating from fixed ring 31 with the side of notch
First bending, and the second bending for being turned down from the free end of the first bending towards the ring heart of fixed ring 31, the first bending and the
Two bendings can be flexible along the radial elastic of fixed ring 31 in notch.Preferably, the free end of the second bending extends to form vertically
There is third bending.When annular spring is folded between plug division 11 and contact pin sleeve 20, the phase of the first bending and the second bending
Place is met to be in electrical contact with contact pin sleeve 20, the root of the first bending and the internal face of third bending are in electrical contact with plug division 11, to
Ensure that there is good electric property between contact pin sleeve 20 and contact pin main body.
Further, Fig. 2 and Fig. 6 is please referred to, the periphery wall of 11 tail portion of plug division is equipped with convex shoulder 12, and convex shoulder 12 has first
Confined planes 121, charging contact pin 100 further include the insulator cap 40 set on 11 top of plug division, and insulator cap 40 has the second confined planes
421, the both ends of contact pin sleeve 20 are abutted against with the first confined planes 121 and the second confined planes 421 respectively.
Specifically, in assembly, contact pin sleeve 20 is first sheathed on the periphery of plug division 11 and is limited with the first of convex shoulder 12
Plane 121 abuts, then insulator cap 40 is fixed on the top of plug division 11 and the second confined planes 421 are connected to contact pin sleeve 20
Top, in this way, can guarantee that contact pin sleeve 20 can stablize dress under the cooperation of the first confined planes 121 and the second confined planes 421
Assigned in plug division 11 without loosening.In addition, insulator cap 40 can prevent user from being touched with hand and generating Danger Electric shock risk.Insulator cap
It is detachably connected between 40 and plug division 11, the mode that may be, for example, threaded connection or interference fit connects.It is slotting needing replacing
When needle sleeve 20, first insulator cap 40 is removed, then contact pin sleeve 20 is removed, it is simple, convenient.In addition, in order to just
It is inserted into female terminal in charging contact pin 100, the top of insulator cap 40 is typically provided with arc guide surface, can play good guiding
Effect.
Preferably, as shown in Fig. 3 and Fig. 7, insulator cap 40 includes stud 41 and the cap body 42 set on 41 top of stud, cap body
The peripheral surface of 42 protrusion studs 41, the second confined planes 421 are formed in one side of the cap body 42 towards convex shoulder 12, the top of plug division 11
Equipped with the screw hole 112 being spirally connected for stud 41.Further, cap body 42 is equipped with the notch planted for bottle opener away from the end face of convex shoulder 12
422.In the present embodiment, the stud 41 of insulator cap 40 is inserted into screw hole 112 and is screwed in can be by 40 quick assembling of insulator cap
Top in plug division 11, insulator cap 40 play the role of good locking to the fixation of contact pin sleeve 20.It is envisioned that
Stud 41 is set on the top of plug division 11, screw hole 112 is set in the bottom of insulator cap 40, can also realize insulator cap 40 and insert
The threaded connection of socket part 11.The end face of cap body 42 is provided with notch 422, is inserted into convenient for bottle opener, to facilitate insulator cap 40
Dismounting.Shape about notch 422 can be "-" type, blossom type or other shapes etc..
Further, contact pin ontology 10 further includes the wire connecting portion 13 abutted with plug division 11, and the end face of wire connecting portion 13 is equipped with
For the wiring hole 131 of cable connection.In the present embodiment, cable is inserted in wiring hole 131 so that charging contact pin 100 with
It is electrically connected between cable, it is preferable that cable between wiring hole 131 and wire connecting portion 13 using non-removable by being crimped admittedly
It is fixed, to ensure reliable electrical connection.
The utility model also proposes a kind of electric connector, which includes charging contact pin 100, the charging contact pin 100
Concrete structure with reference to above-described embodiment, since this electric connector uses whole technical solutions of above-mentioned all embodiments, because
This at least has all advantageous effects caused by the technical solution of above-described embodiment, and this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.