CN216251240U

CN216251240U - Wiring terminal of electric automobile connector and connector

Info

Publication number: CN216251240U
Application number: CN202123025875.1U
Authority: CN
Inventors: 杜涛
Original assignee: Hexing Automotive Electronics Taicang Co ltd
Current assignee: Hexing Automotive Electronics Taicang Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-08
Anticipated expiration: 2031-12-03

Abstract

The utility model provides a wiring terminal and a connector of an electric automobile connector, which comprise a press connection part and a jack part, wherein the jack part is internally hollow for an external inserted rod to be inserted, a contraction part is arranged inside the jack part, a gap is formed between the outer side surface of the contraction part and the inner side surface of the jack part, after the inserted rod is inserted into the jack part, the contraction part contracts from the outer side to the inner side and is in contact connection with the inserted rod, and the contraction part is provided with fixed points which are used for coaxially fixing the contraction part and the jack part.

Description

Wiring terminal of electric automobile connector and connector

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a wiring terminal of an electric automobile connector and the connector.

Background

With the development of economy, the problems of energy and environmental protection are increasingly prominent, and all countries in the world gradually aim at environment-friendly and energy-saving electric automobiles. Compared with the traditional automobile, the electric automobile has the important characteristics that a high-voltage system capable of ensuring enough power performance is arranged in the automobile, and comprises high-voltage components such as a charging system, a distribution box, an energy storage system (a power battery), a power system (namely a driving motor) and the like; the hidden danger of high-voltage electric injury is completely different from that of the traditional automobile, and the voltage of the automobile reaches more than 300V and the current which can reach tens of amperes or even hundreds of amperes tests the use safety of the vehicle-mounted high-voltage electric appliance at any time; it is specified that high-voltage components on a vehicle should have a high-voltage interlock, also referred to as a hazardous voltage interlock loop: through using electric small signal, check whole high-voltage product, the wire, the electric integrality of connector and protecting cover, when discerning the unusual disconnection in return circuit, in time break high-voltage electricity, consequently it is necessary to develop a new high-voltage interlocking connector, in order to realize electric automobile high-voltage interlocking electricity, the transmission of communication signal, high-voltage interlocking connector mostly adopts the plug spring structure among the prior art, the plug spring structure mainly is square needle and flat needle, its born current is limited, thereby it is general to lead to the contact effect, and adopt the form of pegging graft, its joint strength is general, use or the easy condition of taking place the separation behind the strong shake for a long time.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the current carried by the connector is limited so as to cause a common contact effect in the prior art, so that the connecting terminal and the connector of the electric automobile connector, which do not increase the product structure and can carry larger current so as to cause a better contact effect, are provided.

Therefore, the utility model provides a connecting terminal of an electric automobile connector, which comprises a crimping part and a jack part, wherein the interior of the jack part is hollow for an external inserted rod to be inserted, a contraction part is arranged in the jack part, a gap is formed between the outer side surface of the contraction part and the inner side surface of the jack part, after the inserted rod is inserted into the jack part, the contraction part contracts from the outer side to the inner side and is in contact connection with the inserted rod, and the contraction part is provided with fixing points which are used for coaxially fixing the contraction part and the jack part.

Further: the contraction parts are corrugated and arranged in an array mode along the circumferential direction of the jack part, and contact points are arranged on the contraction parts and are used for conducting electricity with the plug rods.

Further: the inside plug connector that is provided with of jack portion, shrink on the piece is fixed in the plug connector, shrink piece includes first go-between, second go-between and sets up a plurality of flexure strips between first go-between and second go-between, flexure strip one end is connected with first go-between, and the other end is connected with the second go-between, first go-between and second go-between extend the setting along the circumferencial direction of jack portion, the flexure strip sets up along the circumferencial direction array of first go-between and second go-between, the maintenance point sets up on first go-between and second go-between.

Further: the retention points are arranged along the circumferential direction of the first connecting ring or the second connecting ring, and the retention points are arranged on the outer side surface of the contraction part and are in abutting connection with the inner side surface of the insertion hole part.

Further: the elastic sheet comprises a plurality of first bending sheets and a plurality of second bending sheets, the joint of the first bending sheets and the second bending sheets is a deformation part, the contact is located on the deformation part, and the first bending sheets and the second bending sheets are arranged at intervals in sequence.

Further: the first bending piece and the second bending piece are arranged to form a corrugated shape.

Further: the bottom of the second connecting ring is provided with a connecting part which is used for connecting the second connecting ring with the jack part.

Further: the connector clip sets up between crimping portion and jack portion, be provided with the draw-in groove on the connector clip, jack portion is last to be provided with the buckle with draw-in groove looks adaptation.

The utility model also provides a connector which comprises the wiring terminal of the electric automobile connector and the inserted rod which is in adaptive connection with the wiring terminal.

Further: the inserted bar is the cylinder, and inside the inserted bar inserted shrink, the inserted bar can be propped out first piece and the second piece of buckling from inside to outside.

The technical scheme of the utility model has the following advantages:

1. according to the wiring terminal of the electric automobile connector, the first bending piece and the second bending piece can be expanded outwards after the insertion rod is inserted into the shrinking piece through the arrangement of the first bending piece and the second bending piece, the first bending piece and the second bending piece are contracted inwards due to the elastic contraction force of the first bending piece and the second bending piece and are tightly clamped with the insertion rod after the insertion rod stops moving, so that the connection strength between the insertion rod and the shrinking piece is improved, the fixing point is enabled to be abutted against the inner side face of the inserting hole part through the arrangement of the fixing point, and the shrinking piece is prevented from being not coaxial with the inserting hole part.

2. According to the wiring terminal and the connector of the electric automobile connector, the jack part and the plug connector can be effectively connected through the arrangement of the clamping groove and the buckle, and deformation of the jack part is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of the overall structure of a connection terminal;

fig. 2 is a schematic cross-sectional view of the connection terminal;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of the overall structure of the connection terminal;

fig. 5 is a schematic view of the connection structure between the insert rod and the contracting member.

Description of reference numerals:

1. a socket portion; 10. a crimping part; 2. inserting a rod; 3. a constriction; 31. a first connecting ring; 32. a second connection ring; 33. an elastic sheet; 34. a first bending piece; 35. a second bending piece; 36. a deformation section; 4. a plug-in unit; 5. a anchor site; 51. a contact; 6. a connecting portion; 7. a card slot; 71. and (5) buckling.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a binding post of electric automobile connector, including crimping portion 10 and jack portion 1, the inside cavity of jack portion 10 supplies outside inserted bar 2 to insert, jack portion 1 is inside to be provided with shrink piece 3, there is the space between 3 lateral surfaces of shrink piece and the jack portion medial surface, inserts the inside back of jack portion when inserted bar 2, and shrink piece 3 contradicts with inserted bar 2 from the inboard shrink in the outside and is connected, be provided with solid point 5 on the shrink piece 3, solid point 5 be used for making shrink piece 3 with jack portion 1 is coaxial fixed. .

On the basis of the above-described embodiment: the fixing sites 5 are arranged along the circumferential direction of the first connecting ring 31 or the second connecting ring 32, and the fixing sites 5 are arranged on the outer side surface of the contraction part 3 and are connected with the inner side surface of the insertion hole part 1 in an abutting mode.

The specific improvement is as follows: as shown in fig. 3 and 4: binding post divide into crimping portion 10 and jack portion 1, in the plug connector is inserted to outside inserted bar 2, shrink 3 has been set up in the plug connector, insert in shrink 3 when inserted bar 2, when inserted bar 2 does not insert, shrink 3 is in the shrink state, insert the back when outside inserted bar 2, shrink 3 is by outside expansion, inserted bar 2 inserts inside shrink 3, set up maintenance point 5 on shrink 3, maintenance point 5 sets up in shrink 3 outer terminal surface and is contradicted with 1 medial surface of jack portion and be connected, prevent that maintenance point 5 and shrink 3 disalignment set up.

On the basis of the above-described embodiment: the inside plug connector 4 that is provided with of jack portion 1, shrink 3 is fixed in on the plug connector 4, shrink 3 includes first go-between 31, second go-between 32 and sets up a plurality of flexure strips 33 between first go-between 31 and second go-between 32, flexure strip 33 one end is connected with first go-between 31, and the other end is connected with second go-between 32, first go-between 31 and second go-between 32 extend along the circumferencial direction of jack portion 1 and set up, flexure strip 33 sets up along the circumferencial direction array of first go-between 31 and second go-between 32, solid point 5 sets up on first go-between 31 and second go-between 32.

The specific improvement is as follows: as shown in fig. 2 and 3: the plug connector 4 is arranged in the plug connector, the contraction part 3 is fixed on the plug connector 4 and is inserted into the plug hole part 1 together, the contraction part 3 comprises a first connecting ring 31, a second connecting ring 32 and a plurality of elastic sheets 33 arranged between the second connecting ring 32 and the second connecting ring 32, fixing points are arranged on the first connecting ring 31 and the second connecting ring 32, the elastic sheets 33 are arranged along the circumferential direction of the first connecting ring 31 and the second connecting ring 32, when the plug rod 2 is inserted into a space formed by surrounding of the elastic sheets 33, after the plug rod 2 is inserted into the space, the plug rod 2 can extrude the elastic sheets 33 from the middle to two ends, and due to the contraction of the elastic sheets 33, the elastic sheets 33 can tightly buckle the plug rod 2, so that the connection strength between the elastic sheets 33 and the plug rod 2 is improved.

On the basis of the above-described embodiment: the fixing sites 5 are arranged along the circumferential direction of the first connecting ring 31 or the second connecting ring 32, and the first connecting ring 31 and the second connecting ring 32 are fixedly connected with the inner side wall of the jack portion.

On the basis of the above-described embodiment: the elastic sheet 33 comprises a plurality of first bending sheets 34 and a plurality of second bending sheets 35, the connection part of the first bending sheets 34 and the second bending sheets 35 is a deformation part 36, the contact 51 is located on the deformation part 36, and the first bending sheets 34 and the second bending sheets 35 are sequentially arranged at intervals.

On the basis of the above-described embodiment: the first bending piece 34 and the second bending piece 35 are arranged to form a corrugated shape.

The specific improvement is as follows: as shown in fig. 3: the first bending piece 34 and the second bending piece 35 are arranged to form a corrugated shape, the connection part of the first bending piece 34 and the second bending piece 35 is a contact 51, when the insertion rod 2 is inserted into the contraction piece 3, the first bending piece 34 and the second bending piece 35 can outwards extrude due to the insertion rod 2, and after the insertion rod 2 is inserted into the contraction piece 3, the first bending piece 34 and the second bending piece 35 can inwards contract due to the elasticity of the first bending piece 34 and the second bending piece 35, so that the contact 51 can be contacted with the insertion rod 2 to form a loop.

On the basis of the above-described embodiment: the second connection ring 32 is provided at the bottom with a connection portion 6, and the connection portion 6 is used for connecting the second connection ring 32 with the socket portion 1.

The specific improvement is as follows: through the setting of connecting portion 6, can effectual connection spigot portion 1 and shrink 3 for whole binding post forms integratively.

On the basis of the above-described embodiment: the connector clip is arranged between the crimping part and the jack part, a clamping groove is arranged on the connector clip, and a buckle 71 matched with the clamping groove 7 is arranged on the jack part 1.

The specific improvement is as follows: as shown in fig. 1: be provided with draw-in groove 7 on the plug connector 4, be provided with on the jack portion 1 with the buckle 71 of draw-in groove 7 looks adaptation, through the setting of draw-in groove 7 and buckle 71, can effectual connection jack portion 1 and plug connector, avoid jack portion 1 to produce deformation.

A connector comprises the wiring terminal of the electric automobile connector and the plug rod 2 which is in adaptive connection with the wiring terminal.

On the basis of the above-described embodiment: the inserted link 2 is a cylinder, and when the inserted link 2 is inserted into the shrinking piece 3, the inserted link 2 can support the first bending piece 34 and the second bending piece 35 from the inside to the outside.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The utility model provides a binding post of electric automobile connector, its characterized in that, includes crimping portion (10) and jack portion (1), jack portion (1) inside cavity supplies outside inserted bar (2) to insert, jack portion (1) inside is provided with shrink piece (3), there is the space between shrink piece (3) lateral surface and the jack portion medial surface, inserts inside back of jack portion when inserted bar (2), and shrink piece (3) are contradicted with inserted bar (2) from the outside to inboard shrink and are connected, be provided with on shrink piece (3) solid point (5), solid point (5) be used for making shrink piece (3) with jack portion (1) coaxial fastening.

2. The connecting terminal of the electric vehicle connector according to claim 1, wherein: the contraction pieces (3) are corrugated and arranged in a row along the circumferential direction of the jack portion (1), and the contraction pieces (3) are provided with contacts (51), wherein the contacts (51) are used for conducting electricity with the plug rod (2).

3. The connecting terminal of the electric vehicle connector according to claim 2, wherein: the utility model provides a plug connector (4) is provided with to plug socket portion (1) inside, shrink piece (3) are fixed in on plug connector (4), shrink piece (3) include first go-between (31), second go-between (32) and set up a plurality of flexure strip (33) between first go-between (31) and second go-between (32), flexure strip (33) one end is connected with first go-between (31), and the other end is connected with second go-between (32), first go-between (31) and second go-between (32) extend the setting along the circumferencial direction of plug socket portion (1), flexure strip (33) set up along the circumferencial direction array of first go-between (31) and second go-between (32), solid point (5) set up on first go-between (31) and second go-between (32).

4. The connecting terminal of the electric vehicle connector according to claim 3, wherein: the fixing points (5) are arranged along the circumferential direction of the first connecting ring (31) or the second connecting ring (32), and the fixing points (5) are arranged on the outer side face of the contraction part (3) and are in contact connection with the inner side face of the inserting hole part (1).

5. The connecting terminal of the electric vehicle connector according to claim 4, wherein: the elastic sheet (33) comprises a plurality of first bending sheets (34) and a plurality of second bending sheets (35), the connection part of the first bending sheets (34) and the second bending sheets (35) is a deformation part (36), the contact (51) is located on the deformation part (36), and the first bending sheets (34) and the second bending sheets (35) are sequentially arranged at intervals.

6. The connecting terminal of the electric vehicle connector according to claim 5, wherein: the first bending piece (34) and the second bending piece (35) are arranged to form a corrugated shape.

7. The connecting terminal of the electric vehicle connector according to claim 6, wherein: the bottom of the second connecting ring (32) is provided with a connecting part (6), and the connecting part (6) is used for connecting the second connecting ring (32) and the jack part (1).

8. The connection terminal of an electric vehicle connector according to any one of claims 3 to 7, wherein: the connector clip (4) is arranged between the crimping part (10) and the jack part (1), a clamping groove (7) is arranged on the connector clip (4), and a buckle (71) matched with the clamping groove (7) is arranged on the jack part (1).

9. A connector, characterized by comprising the connection terminal of the electric vehicle connector according to any one of claims 1 to 8, and a plug rod (2) adapted to be connected to the connection terminal.

10. A connector according to claim 9, wherein: inserted bar (2) are the cylinder, and inside inserted bar (2) inserted shrink piece (3), inserted bar (2) can be propped out first piece (34) of buckling and second piece (35) of buckling from inside to outside.