CN217788829U - Large-current conductive terminal - Google Patents

Abstract

The utility model discloses a heavy current conductive terminal, which comprises a body, body one end is equipped with wiring portion, the body other end is equipped with a plurality of clamping pieces, each along week length direction interval the concave inwards formation arch on the clamping piece, protruding both sides are the inclined plane transition with the clamping piece junction, and the arch that lies in between the both sides inclined plane transition is sharp transition, protruding width direction along the clamping piece is the circular arc transition, struts the clamping piece when public terminal inserts, makes sharp transition part and public terminal surface laminating, has realized the face contact, has also just increased area of contact, not only favourable and fastening effect can also increase area of contact, has reduced resistance, is favorable to the transmission of heavy current, is the point contact for protruding and public terminal contact part that the tradition formed, has very big promotion.

Description

Large-current conductive terminal

Technical Field

The utility model belongs to the technical field of conductive terminal, specifically a heavy current conductive terminal.

Background

The terminal is a commonly used part in the electrical equipment, and the function of the terminal is mainly two functions of transmitting electrical signals and conducting electricity, the power of the electrical equipment is increasing at present, so that a high-current conductive terminal is required to be used, the contact area between the existing high-current conductive terminals is small, the circuit transmission efficiency is limited, and the heat generated by the conductive terminals is greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy current conductive terminal to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heavy current conductive terminal, includes the body, body one end is equipped with wiring portion, the body other end is equipped with a plurality of clamping pieces, each along the interval of week length direction the outer concave inwards formation arch on the clamping piece, protruding both sides are the inclined plane transition with the clamping piece junction, and the arch that is located between the both sides inclined plane transition is sharp transition, the arch is the circular arc transition along the width direction of clamping piece.

The utility model has the advantages that:

prop open the clamping piece when public terminal inserts, make sharp transition part and the laminating of public terminal surface, realized the face contact, also increased area of contact promptly, not only favourable and fastening effect can also increase area of contact, reduced resistance, be favorable to the transmission of heavy current, be the point contact for the arch that tradition formed and public terminal contact segment, have very big promotion, in addition, protruding both sides are the inclined plane transition with the clamping piece junction, are favorable to pulling out of public terminal and insert.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

FIG. 1: the utility model discloses a spatial structure chart one.

FIG. 2: the utility model is shown in the longitudinal section of figure 1.

FIG. 3: the enlarged view of part a of fig. 2 of the present invention.

FIG. 4: the enlarged view of part A of FIG. 2 is shown in the second embodiment of the present invention.

FIG. 5: the utility model discloses a bottom view.

FIG. 6: the utility model discloses a spatial structure chart two.

FIG. 7: figure 6 is a longitudinal cross-sectional view of the present invention.

FIG. 8: the utility model discloses a spatial structure chart three.

FIG. 9: figure 8 is a longitudinal cross-sectional view of the present invention.

Reference numerals are as follows: 11-body, 12-wiring part, 13-clamping piece, 131-bulge, 132-groove, 133-inclined plane transition, 134-straight line transition, 135-arc transition, 14-connecting part, 15-through hole, 16-flange, 17-anti-skid grain, 2-male terminal, 3-shell and 31-fixing column.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Please refer to fig. 1-5;

the utility model discloses a conductive terminal main function is the connection of making things convenient for between the device, and can transmit current, conductive terminal be female terminal, specifically include body 11, body 11 one end is equipped with wiring portion 12, the body 11 other end is equipped with a plurality of clamping pieces 13 along the circumference direction interval, in this embodiment, conductive terminal passes through wiring portion 12 and is connected with the wire, and body 11 is hollow cylindric, the public terminal 2 shape that uses with it suits with the hollow portion in body 11, when using, public terminal 2 gets into from the synthetic entry that encloses of a plurality of clamping pieces 13, finally get into the inside of body 11 and the inner wall contact of body 11, in the in-process that gets into, because each clamping piece 13 is outer concave inwards to form arch 131, the formation of arch 131 can make the diameter of entry be less than the external diameter of public terminal 2, can prop clamping piece 13 open when public terminal 2's surface and arch 131 contact, and clamping piece 13 produces the strength that resets and presss from both sides tight public terminal 2, play the effect of fastening; in the present embodiment, the protrusion 131 is preferably provided at the end of the clip 13 away from the body 11;

additionally, referring to fig. 2-4; the protrusion 131 formed in the present invention is a linear transition 134 when viewed from the longitudinal section, see fig. 5; the straight line transition 134 is not axially extended but has a certain slope when not contacting the male terminal 2, and the protrusions shown in the top view are distributed along the width direction of the clamping piece 13, so that the clamping piece 13 is pushed open when the male terminal 2 is inserted, and the angle of the protrusion 131 is changed, so that the straight line transition 134 is partially attached to the surface of the male terminal 2, and surface contact is realized, that is, the contact area is increased, which is not only beneficial to the fastening effect, but also beneficial to increasing the contact area, reducing the resistance and beneficial to the transmission of large current, and compared with the traditional method in which the contact part of the protrusion 131 and the male terminal 2 is point contact, the straight line transition 135 has great improvement; in the present embodiment, the number of the clamping pieces 13 is preferably four and eight, and the clamping pieces are distributed in a circular array, when the number of the clamping pieces is four, each clamping piece 13 is distributed at an angle of 90 °, and when the number of the clamping pieces is eight, each clamping piece 13 is distributed at an angle of 45 °, so as to process slogan, and the surface of the male terminal 2 is uniformly stressed, which is beneficial to clamping the male terminal 2.

Also, referring to fig. 3 and 4; the junction between the two sides of the protrusion 131 and the clamping piece 13 is a slope transition 133, which is beneficial to the plugging and unplugging of the male terminal 2, and the slope transition is preferably a circular arc transition.

In this embodiment, the protrusion 131 is made by stamping, a groove 132 is formed at a portion outside the clip 13, the protrusion 131 is formed at a portion inside the clip 13 corresponding to the groove 132, and a straight transition 134 is formed at a portion where the protrusion 131 contacts with the male terminal 2, and the protrusion 131 and the straight transition may be formed by grinding, which is only an example of a processing method and should not be a limitation to protection; because the clamping pieces 13 are distributed in an annular array, namely the formed grooves 132 are also distributed in an annular array, the formed grooves 132 can be matched with fasteners for use, and after the male terminal 2 is inserted into the body 11, the fasteners are clamped into the grooves 132, so that the relative positions of the clamping pieces 13 are fixed, and the fastening effect is improved; in addition, the surface of the male terminal 2 can be provided with a clamping groove corresponding to the protrusion 131, when the male terminal is connected, the protrusion 131 is clamped into the clamping groove, and simultaneously clamped into the groove 132 through a fastener, so that the relative positions of the clamping pieces 13 are fixed, and the male terminal 2 can be prevented from being pulled out accidentally.

In the present embodiment, each clip 13 is contracted toward the axial direction of the body 11, and when the male terminal 2 pushes the clip 13 open, the deformation amount of the clip 13 is larger, so as to generate a larger restoring force, thereby clamping the male terminal 2 more tightly.

In the present embodiment, refer to fig. 6 to 9; a connecting part 14 is arranged between the body 11 and the wiring part 12, the connecting part 14 is a transition part, a space is reserved between the body 11 and the wiring part 12, the wiring part 12 can be designed according to actual conditions, when a connected wire is thick, more wires are reserved in the wiring part 12 during production, and the connecting part 14 is enlarged;

usually, the housing 3 is formed by injection molding on the outer periphery of the conductive terminal, and in order to enable the housing 3 to be fastened on the surface of the conductive terminal without falling off, the conductive terminal is provided with a fixing structure, which may be provided on the connecting portion 14, the body 11, or both the connecting portion 14 and the body 11, specifically as follows:

1. the fixing structure comprises at least one through hole 15 arranged on the connecting part 14, during injection molding, molten raw materials flow from one side of the conductive terminal to the other side through the through hole 15 and finally wrap the periphery of the conductive terminal, and after cooling, a fixing column 31 is formed and embedded into the through hole 15, so that the shell 3 cannot fall off;

2. fixed knot constructs including the flange 16 that sets up along 11 surperficial girth directions of body, when moulding plastics, and the molten raw materials can cladding on 11 surfaces of body, and the cooling back, shell 3 can form the joint position to the position of flange 16, under the cooperation of joint position and flange 16, plays the fixed effect of shell 3, because shell 3 can not deform to realized that shell 3 does not drop.

3. The fixing structure comprises at least one through hole 15 in the connecting portion 14 and a flange 16 arranged along the circumferential direction of the surface of the body 11, in a manner as described above.

Based on all the above embodiments, in the present embodiment, the wire connecting portion 12 and the body 11 are designed coaxially, and the inner side of the wire connecting portion 12 is provided with the anti-slip pattern 17, which is beneficial to fastening the wire.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a big current conductive terminal, includes body (11), body (11) one end is equipped with wiring portion (12), its characterized in that: body (11) other end is equipped with a plurality of clamping pieces (13), every along the interval of girth direction outside concave inwards forming is protruding (131) on clamping piece (13), protruding (131) both sides are transition for the inclined plane (133) with clamping piece (13) junction, and protruding (131) that are located between both sides inclined plane transition (133) are straight line transition (134), protruding (131) are arc transition (135) along the width direction of clamping piece (13).

2. A high current conducting terminal according to claim 1, wherein: the clamping pieces (13) are distributed at the end part of the body (11) in an annular array, and each clamping piece (13) shrinks towards the axis direction of the body (11).

3. A high current conducting terminal according to claim 1, wherein: a connecting part (14) is arranged between the body (11) and the wiring part (12).

4. A high current conducting terminal according to claim 1, wherein: the fixing structure is used for fastening the shell (3) and is arranged on the connecting part (14) or/and the body (11).

5. A high current conducting terminal according to claim 4, wherein: the fixing structure comprises at least one through hole (15) provided on the connecting portion (14).

6. A high current conducting terminal according to claim 4, wherein: the fixing structure comprises a flange (16) arranged along the circumferential direction of the surface of the body (11).

7. A high current conducting terminal according to any one of claims 1 to 6, wherein: the wiring part (12) and the body (11) are designed coaxially.

8. A high current conducting terminal according to claim 7, wherein: the inner side of the wiring part (12) is provided with anti-skid grains (17).

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