CN217158701U - Electric connector and conductive terminal - Google Patents

Abstract

An electric connector and conductive terminals, the electric connector includes insulating base, pressing buckle, several conductive terminals and spring plate; the insulating base is of a box body structure with an opening at the front end, and a plurality of longitudinal partition plates are arranged on a bottom plate of the insulating base in parallel at intervals to form at least three parallel independent compartments; the bottom surface of the fixed top plate of each compartment is provided with a V-shaped groove; the conductive terminal body is a U-shaped body and comprises a fixed bottom plate, a side plate, a top plate and a connecting part, wherein the side plate is formed by bending and extending upwards from one side of the fixed bottom plate, the top plate is formed by bending and extending from the upper end of the side plate to the side of the fixed bottom plate and is parallel to the fixed bottom plate, and the connecting part is positioned at the front end of the body and is used for connecting and fixing a load side wire; the rear part of the top plate is of a V-shaped structure and is matched with a V-shaped groove on the bottom surface of the fixed top plate of the insulating base compartment. The utility model discloses form two line contacts with conductive terminal and wire contact, the temperature rise of comparing current electric connector conductive terminal reduces half, has improved electric connector's safety in utilization and stability.

Description

Electric connector and conductive terminal

Technical Field

The utility model relates to an electric connector, concretely relates to electric connector and conductive terminal.

Background

An electrical connector is generally used for connecting power supplies of electrical appliances such as an air conditioner, and mainly comprises a base for insulating, a terminal board for conducting electricity, a spring plate for maintaining connection pressure, and a press buckle for removing wires during maintenance.

In the plug wire type structure of the connector in the past structure, the wire is inserted into the conductive terminal, and because the top plate of the conductive terminal is of a flat plate structure, the inserted wire is contacted with the top plate of the conductive terminal into a wire contact, so that the local temperature is easily increased, and the use safety of the connector is influenced.

Disclosure of Invention

An object of the utility model is to provide an electric connector and conductive terminal forms two line contacts with conductive terminal and wire contact, and the temperature rise of comparing current electric connector conductive terminal reduces half, has improved electric connector's safety in utilization and stability.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an electric connector comprises an insulating base, a press buckle, a plurality of conductive terminals and an elastic pressing sheet; wherein the content of the first and second substances,

the insulation base is of a box body structure with an opening at the front end, wherein a bottom plate of the insulation base is provided with a plurality of longitudinal partition plates at intervals in parallel to form at least three parallel independent compartments; a fixed top plate is horizontally arranged at the upper part of the longitudinal partition plate, and a slotted hole which is communicated with the compartment and is used for inserting a push buckle is arranged at the rear part of the fixed top plate corresponding to the compartment; the bottom surface of the fixed top plate of each compartment is provided with a V-shaped groove; the rear end face of the insulating base is provided with a through hole for inserting a power supply side conductor corresponding to each compartment;

the pressing buckle is inserted into the slotted hole of the insulating base fixing top plate, is a strip-shaped body, and is provided with a pressing buckle part in a protruding mode at the lower part corresponding to each compartment;

the conductive terminals are correspondingly inserted into the compartments of the insulating base, and the body of the conductive terminal is a U-shaped body and comprises a fixed bottom plate, a side plate formed by bending and upwards extending from one side of the fixed bottom plate, a top plate formed by bending and extending from the upper end of the side plate to the side of the fixed bottom plate and parallel to the fixed bottom plate, and a connecting part positioned at the front end of the body and used for connecting and fixing a load side guide wire; the rear part of the top plate is of a V-shaped structure and is matched with a V-shaped groove on the bottom surface of a fixed top plate of the insulating base compartment; a first stopping portion capable of stopping the end portion of the power supply side wire inserted therein is vertically arranged in the middle of the bottom surface of the top plate, and preferably, the first stopping portion is formed in the middle of the bottom surface of the top plate in a downward stamping mode; the middle part of the fixed bottom plate is provided with a limiting part formed by bending downwards; preferably, the middle part of the fixed bottom plate is downwards punched to form a limiting part; a second stopping part is convexly arranged on the inner side surface of the middle part of the side plate; preferably, the middle part of the side plate is punched inwards to form a second stopping part;

the spring pressing plate is arranged on the fixed bottom plate of the conductive terminal body, the pressing part on the pressing buckle is abutted against the spring pressing plate, and the front end of the spring pressing plate is abutted against the second stopping part of the side plate of the conductive terminal body.

Preferably, the connecting part of the conductive terminal is a pressing structure, so that the conductive terminal becomes a routing terminal or a pressing terminal; or the connecting part of the conductive terminal extends forwards from the fixed bottom plate to form an insert, so that the conductive terminal becomes an insert soldering terminal; or the connecting part of the conductive terminal extends forwards from the top plate and the fixed bottom plate respectively to form an upper insert and a lower insert, so that the conductive terminal becomes an insert terminal.

Preferably, still include a apron, this apron rear portion is established and is supplied the breach of pressing the knot to insert the insulating base, and the apron both sides are buckled downwards and are extended the buckle portion that forms and can fix in the insulating base, and what correspond, the protruding trip that establishes of the inner wall of the both ends lateral wall of insulating base.

Preferably, a longitudinal partition plate in the insulating base and a fixed top plate on the longitudinal partition plate are provided with accommodating grooves, correspondingly, a temperature sensing fuse and a lead wire thereof are further arranged, the temperature sensing fuse is embedded in the accommodating grooves, and the lead wire thereof is respectively connected with a conductive terminal and/or a power supply side lead wire and a load side lead wire.

Preferably, a longitudinal partition plate in the insulating base and a fixed top plate on the longitudinal partition plate are provided with accommodating grooves, correspondingly, current fuses and leads thereof are further arranged, the current fuses are embedded in the accommodating grooves, and the leads thereof are respectively connected with the conductive terminals and/or power supply side wires and load side wires.

Preferably, the front part of the fixed top plate of the insulating base is provided with observation holes corresponding to the compartments, and the top plate of the conductive terminal body is provided with an opening communicated with the observation holes.

Preferably, the middle parts of the fixed top plate and the fixed bottom plate of the insulating base are provided with installation through holes which are vertically communicated and used for the fixed bolt to penetrate through.

Preferably, the spring plate comprises a base part, a first elastic part extending from one end of the base part and bending upwards to extend obliquely above the base part, and a second elastic part bending upwards from the other end of the base part, bending towards the first elastic part and then bending and extending reversely to form the second elastic part; preferably, a fixing groove is convexly formed on one side surface of the base part, which is opposite to the side plate of the conductive terminal body, and correspondingly, a limiting bulge matched with the fixing groove is convexly formed on the lower part of the side plate of the conductive terminal body.

The utility model also designs a conductive terminal, the body of which is a U-shaped body, comprising a fixed bottom plate, a side plate which is formed by bending and extending upwards from one side of the fixed bottom plate, a top plate which is formed by bending and extending from the upper end of the side plate to the fixed bottom plate and is parallel to the fixed bottom plate, and a connecting part which is positioned at the front end of the body and is used for connecting and fixing a load side lead; the rear part of the top plate is of a V-shaped structure; a first stopping part capable of stopping the end part of the power supply side wire from being inserted is vertically arranged in the middle of the bottom surface of the top plate; the middle part of the fixed bottom plate is provided with a limiting part formed by bending downwards; the inner side surface of the middle part of the side plate is convexly provided with a second stopping part.

Preferably, the connecting part of the conductive terminal is a pressing structure, so that the conductive terminal becomes a routing terminal or a pressing terminal; or the like, or, alternatively,

the connecting part of the conductive terminal extends forwards from the fixed bottom plate to form an insert, so that the conductive terminal becomes an insert soldering terminal; or the like, or a combination thereof,

the connecting part of the conductive terminal extends forwards from the top plate and the fixed bottom plate respectively to form an upper insert and a lower insert, so that the conductive terminal becomes an insert terminal.

Preferably, the spring plate comprises a base part, a first elastic part extending from one end of the base part and bending upwards to extend obliquely above the base part, and a second elastic part bending upwards from the other end of the base part, bending towards the first elastic part and then bending and extending reversely to form the second elastic part; preferably, a fixing groove is convexly formed on one side surface of the base part, which is opposite to the side plate of the conductive terminal body, and correspondingly, a limiting bulge matched with the fixing groove is convexly formed on the lower part of the side plate of the conductive terminal body.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a with conductive terminal roof and wire contact site improve for the V-arrangement structure, make it become two line contacts with the wire contact, the temperature rise of comparing current conductive terminal reduces half, has further improved electric connector's safety in utilization.

In addition, the top plate of the conventional conductive terminal is a flat plate structure, and the conductive wire can be obliquely inserted into the conductive terminal, so that the conductive wire is not completely contacted with the conductive terminal, and the resistance value is increased or unstable.

The utility model discloses improve conductive terminal roof for the V-arrangement structure, receive spacingly when making the wire insert conductive terminal, the wire can only one direction promptly perpendicular conductive terminal end face direction insert promptly, makes the wire and the conductive terminal contact that insert conductive terminal remain two contact wires throughout like this, and both contacts more fully, completely, and the resistance value is more stable.

Drawings

Fig. 1 is a perspective view 1 of an embodiment of the present invention;

fig. 2 is a perspective view 2 of an embodiment of the present invention;

fig. 3 is a top view of an embodiment of the present invention;

fig. 4 is a schematic perspective exploded view of an embodiment of the present invention;

fig. 5 is a perspective view of an insulation base according to an embodiment of the present invention, fig. 1;

fig. 6 is a perspective view of an insulation base according to an embodiment of the present invention, fig. 2;

fig. 7 is a perspective view of an insulation base according to an embodiment of the present invention, shown in fig. 3;

fig. 8 is a perspective view illustrating the assembly of the conductive terminal and the spring plate according to the embodiment of the present invention;

fig. 9 is a perspective view of the conductive terminal of embodiment 1 of the present invention;

fig. 10 is a perspective view 2 of the conductive terminal according to embodiment 1 of the present invention;

fig. 11 is a perspective view of the conductive terminal of embodiment 2 of the present invention;

fig. 12 is a perspective view of the conductive terminal according to embodiment 3 of the present invention;

fig. 13 is a perspective view of the conductive terminal of embodiment 1 of the conductive terminal of the present invention connected to a wire;

FIG. 14 is a front view of FIG. 13;

FIG. 15 is a cross-sectional view A-A of FIG. 14;

fig. 16 is a perspective view of the conductive terminal and the lead in embodiment 1 of the conductive terminal of the present invention;

fig. 17 is an exploded perspective view of the usage state 1 of the embodiment of the present invention;

fig. 18 is an exploded perspective view of the usage state 2 of the embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 18, the electrical connector of the present invention includes an insulating base 1, a press button 2, a plurality of conductive terminals 3, and an elastic sheet 4; wherein the content of the first and second substances,

the insulation base 1 is a box structure with an opening at the front end, wherein a bottom plate 11 of the insulation base is provided with a plurality of longitudinal partition plates 12 in parallel at intervals to form at least three parallel independent compartments 101; a fixed top plate 13 is horizontally arranged at the upper part of the longitudinal partition plate 12, and a slotted hole 131 which is communicated with the compartment 101 and is used for inserting the push button 2 is arranged at the rear part of the fixed top plate 13 corresponding to the compartment 101; the bottom surface of the fixed top plate 13 of each compartment 101 is provided with a V-shaped groove 132; the rear end face 14 of the insulating base 1 is provided with a through hole 141 for the power supply side lead 100 to be inserted into corresponding compartments;

the press button 2 is inserted into the slot 131 of the fixed top plate 13 of the insulating base 1, the press button 2 is a strip-shaped body, and the lower part of the press button 2 is provided with a press button part 21 corresponding to each compartment 101 in a protruding way;

the conductive terminals 3 are correspondingly inserted into the compartments 101 of the insulating base 1, and the body of the conductive terminals is a U-shaped body and comprises a fixed bottom plate 31, side plates 32 formed by bending and extending upwards from one side of the fixed bottom plate 31, a top plate 33 formed by bending and extending from the upper ends of the side plates 32 to the side of the fixed bottom plate 31 and parallel to the fixed bottom plate 31, and a connecting part 34 positioned at the front end of the body and used for connecting and fixing a load-side wire; the rear part of the top plate 33 is of a V-shaped structure and is matched with a V-shaped groove 132 on the bottom surface of the fixed top plate 13 of the compartment 101 of the insulating base 1; a first stopping portion 35 capable of stopping the end portion of the power side wire inserted therein is vertically arranged in the middle of the bottom surface of the top plate 33, and preferably, the first stopping portion 35 is formed by downwards punching in the middle of the bottom surface of the top plate 33; the middle part of the fixed bottom plate 31 is provided with a limiting part 36 formed by bending downwards; preferably, the middle part of the fixed bottom plate 31 is punched downwards to form a limiting part 36; a second stopping part 37 is convexly arranged on the inner side surface of the middle part of the side plate 32; preferably, a second stop portion 37 is punched inwards from the middle of the side plate 32;

the spring plate 4 is disposed on the fixing bottom plate 31 of the body of the conductive terminal 3, the pressing part 21 of the pressing buckle 2 abuts against the spring plate 4, and the front end of the spring plate 4 abuts against the second stopping part 37 of the side plate 32 of the body of the conductive terminal 3.

Referring to fig. 9, 10, and 13 to 15, the connecting portion 34 of the conductive terminal 3 extends forward from the top plate 33 and the fixed bottom plate 31 to form an upper insert and a lower insert, so that the conductive terminal 3 becomes an insert terminal.

As shown in fig. 15, the wire 100 is inserted into the conductive terminal 3, which makes two-wire contact with the rear of the V-shaped top plate 33 on the conductive terminal 3 (indicated by point B in the figure).

Referring to fig. 11, the connecting portion 34 of the conductive terminal 3 is a pressing structure, so that the conductive terminal 3 is a wire bonding terminal or a pressing terminal.

Referring to fig. 12, the connecting portion 34 of the conductive terminal 3 extends forward from the fixing base plate 31 to form an insert, so that the conductive terminal 3 becomes an insert soldering terminal.

Referring to fig. 4, the electrical connector further includes a cover plate 5, the cover plate 5 is provided at the rear portion thereof with a notch 51 for inserting the fastener 2 into the insulating base 1, and the cover plate 5 is bent downward at both sides thereof to form a fastening portion 52 capable of being fixed on the insulating base 1, and correspondingly, the inner wall of the side wall at both ends of the insulating base 1 is provided with a protruding hook 15.

Referring to fig. 17, a longitudinal partition 12 and a fixing top plate 13 thereon in the insulating base 1 are provided with a receiving groove 102, and correspondingly, a thermal fuse 6 and a lead thereof are further provided, the thermal fuse 6 is embedded in the receiving groove 102, and the lead thereof is respectively connected with the conductive terminal 3 and/or a power supply side lead and a load side lead.

Referring to fig. 18, a longitudinal partition 12 and a fixing top plate 13 thereon in the insulating base 1 are provided with a receiving groove 102, and correspondingly, a current fuse 7 and a lead thereof are also provided, the current fuse 7 is embedded in the receiving groove 102, and the lead thereof is respectively connected with the conductive terminal 3 and/or a power source side lead and a load side lead.

Referring to fig. 4, the front portion of the top plate 13 fixed on the insulating base 1 is provided with an observation hole 133 corresponding to each compartment, the top plate 33 of the body of the conductive terminal 3 is provided with an opening 331 penetrating through the observation hole 133, and the cover plate 5 is provided with an observation through hole 53 corresponding thereto.

Preferably, the middle parts of the top plate 13 and the bottom plate 11 of the insulating base 1 are provided with mounting through holes 103 which are vertically through and through which fixing bolts can penetrate, and correspondingly, the cover plate 5 is provided with mounting holes 54 correspondingly.

Referring to fig. 4, the pressing sheet 4 includes a base 41, a first elastic portion 42 extending from one end of the base 41 and bending upward and extending obliquely above the base 41, and a second elastic portion 43 bending upward and extending from the other end of the base 41, bending and extending toward the first elastic portion 42, and then bending and extending reversely; preferably, a fixing groove 411 is convexly formed on a side surface of the base 41 opposite to the side plate 32 of the body of the conductive terminal 3, and correspondingly, a limiting protrusion 38 matched with the fixing groove 411 is convexly formed on the lower portion of the side plate 32 of the body of the conductive terminal 3.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and substitutions can be made thereto without departing from the scope of the present invention, which is to be construed as limited only by the claims.

Claims (16)

1. An electric connector is characterized by comprising an insulating base, a press buckle, a plurality of conductive terminals and an elastic pressing sheet; wherein the content of the first and second substances,

the insulation base is of a box body structure with an opening at the front end, wherein a bottom plate of the insulation base is provided with a plurality of longitudinal partition plates at intervals in parallel to form at least three parallel independent compartments; a fixed top plate is horizontally arranged at the upper part of the longitudinal partition plate, and a slotted hole which is communicated with the compartment and is used for inserting the pressing buckle is arranged at the rear part of the fixed top plate corresponding to the compartment; the bottom surface of the fixed top plate of each compartment is provided with a V-shaped groove; the rear end face of the insulating base is provided with a through hole for inserting a power supply side conductor corresponding to each compartment;

the press buckles are inserted into the slotted holes of the fixed top plates of the insulating base, are strip-shaped bodies, and are respectively provided with a press buckle part in a protruding mode at the lower parts corresponding to the compartments;

the conductive terminals are correspondingly inserted into the compartments of the insulating base, and the body of the conductive terminal is a U-shaped body and comprises a fixed bottom plate, a side plate formed by bending and upwards extending from one side of the fixed bottom plate, a top plate formed by bending and extending from the upper end of the side plate to the side of the fixed bottom plate and parallel to the fixed bottom plate, and a connecting part positioned at the front end of the body and used for connecting and fixing a load side guide wire; the rear part of the top plate is of a V-shaped structure and is matched with a V-shaped groove on the bottom surface of a fixed top plate of the insulating base compartment; a first stopping part capable of stopping the end part of the power supply side wire from being inserted is vertically arranged in the middle of the bottom surface of the top plate; the middle part of the fixed bottom plate is provided with a limiting part formed by bending downwards;

the spring plate is arranged on the fixed bottom plate of the conductive terminal body, the press-buckle part on the press buckle is abutted against the spring plate, and the front end of the spring plate is abutted against the second stopping part of the side plate of the conductive terminal body.

2. The electrical connector of claim 1, wherein the connecting portion of the conductive terminal is a pressing structure, so that the conductive terminal is a wire bonding terminal or a pressing terminal; or the connecting part of the conductive terminal extends forwards from the fixed bottom plate to form an insert, so that the conductive terminal becomes an insert soldering terminal; or the connecting part of the conductive terminal extends forwards from the top plate and the fixed bottom plate respectively to form an upper insert and a lower insert, so that the conductive terminal becomes an insert terminal.

3. The electrical connector of claim 1, further comprising a cover plate, wherein the rear portion of the cover plate is provided with a notch for inserting the press button into the insulating base, two sides of the cover plate are bent downward to form a fastening portion capable of being fixed to the insulating base, and the inner walls of the sidewalls at two ends of the insulating base are correspondingly provided with a fastening hook in a protruding manner.

4. An electrical connector as claimed in claim 1 or 3, wherein a longitudinal partition in the insulating base and a fixing top plate thereon are provided with receiving recesses, respectively,

the temperature sensing fuse is embedded in the accommodating groove, and the leads of the temperature sensing fuse are respectively connected with the conductive terminal and/or the power supply side lead and the load side lead; alternatively, the first and second electrodes may be,

the current fuse is embedded in the containing groove, and the leads of the current fuse are respectively connected with the conductive terminals and/or the power supply side and the load side wires.

5. The electrical connector as claimed in claim 1 or 3, wherein the front portion of the top plate of the insulating base has a viewing hole corresponding to each compartment, and the top plate of the conductive terminal body has an opening communicating with the viewing hole.

6. The electrical connector of claim 4, wherein the front portion of the top plate of the housing has a viewing hole corresponding to each compartment, and the top plate of the conductive terminal body has an opening communicating with the viewing hole.

7. The electrical connector of claim 1, wherein the middle of the top plate and the bottom plate of the insulating base is provided with a mounting through hole which is vertically through for a fixing bolt to pass through.

8. The electrical connector of claim 4, wherein the middle of the top plate and the bottom plate of the insulating base is provided with a mounting through hole which is vertically through for a fixing bolt to pass through.

9. The electrical connector as claimed in claim 5, wherein the middle of the top and bottom fixing plates of the insulating base is provided with a mounting through hole which is vertically through for a fixing bolt to pass through.

10. The electrical connector of claim 1, wherein the spring plate includes a base portion, a first resilient portion extending from one end of the base portion and bent upward to extend obliquely upward from the base portion, and a second resilient portion bent upward from the other end of the base portion and bent and extended in the direction of the first resilient portion and then bent and extended in the opposite direction.

11. The electrical connector of claim 10, wherein the base of the spring plate has a retaining groove protruding from a side of the side plate of the conductive terminal body, and correspondingly, the lower portion of the side plate of the conductive terminal body has a limiting protrusion protruding from the retaining groove.

12. The electrical connector of claim 1, wherein the middle portion of the bottom surface of the top plate of the conductive terminal is stamped downward to form the first stopping portion.

13. The electrical connector of claim 1, wherein the middle portion of the fixing bottom plate of the conductive terminal is stamped downwards to form a limiting portion; and a second stopping part is convexly arranged on the inner side surface of the middle part of the side plate.

14. The electrical connector of claim 1, wherein the middle portion of the side plate of the conductive terminal is inwardly stamped to form a second stop portion.

15. A conductive terminal is characterized in that a body of the conductive terminal is a U-shaped body and comprises a fixed bottom plate, a side plate, a top plate and a connecting part, wherein the side plate is formed by bending and extending upwards from one side of the fixed bottom plate, the top plate is formed by bending and extending from the upper end of the side plate to the side of the fixed bottom plate and is parallel to the fixed bottom plate, and the connecting part is positioned at the front end of the body and is used for connecting and fixing a load side guide wire; the rear part of the top plate is of a V-shaped structure; a first stopping part capable of stopping the end part of the power supply side wire from being inserted is vertically arranged in the middle of the bottom surface of the top plate; the middle part of the fixed bottom plate is provided with a limiting part formed by bending downwards; and a second stopping part is convexly arranged on the inner side surface of the middle part of the side plate.

16. The conductive terminal of claim 15, wherein the connecting portion of the conductive terminal is a press structure, such that the conductive terminal is a wire bonding terminal or a press terminal; or the like, or, alternatively,

the connecting part of the conductive terminal extends forwards from the fixed bottom plate to form an insert, so that the conductive terminal becomes an insert soldering terminal; or the like, or, alternatively,

the connecting part of the conductive terminal extends forwards from the top plate and the fixed bottom plate respectively to form an upper insert and a lower insert, so that the conductive terminal becomes an insert terminal.

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