CN219086281U

CN219086281U - Crimping type wire harness terminal with high connection strength

Info

Publication number: CN219086281U
Application number: CN202223443470.4U
Authority: CN
Inventors: 江建
Original assignee: Suzhou Wanrong Cable Technology Co ltd
Current assignee: Suzhou Wanrong Cable Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-26
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a high-connection-strength crimping type wire harness terminal, which comprises a bullet shell-shaped guide head, wherein a regular hexagonal shell-shaped plug is formed at the rear end of the guide head, a connecting plate extending backwards is formed at the lower side edge of the rear end of the shell-shaped plug, second crimping plates are formed at the two side edges of the rear end of the connecting plate, first crimping plates are formed at the two side edges of the connecting plate between the second crimping plates and the shell-shaped plug, and inclined reinforcing plates are formed at the two side edges of the connecting plate between the first crimping plates and the shell-shaped plug and between the first crimping plates and the second crimping plates; this crimping formula pencil terminal designs the plug into regular hexagonal, has utilized the backing plate to step up the pencil, adds the reinforcing plate in the both sides of connecting plate and consolidates the joint strength between pinch plate and the plug, and joint strength between pencil terminal and the pencil is high.

Description

Crimping type wire harness terminal with high connection strength

Technical field:

the utility model relates to the technical field of cable connectors, in particular to a crimping type wire harness terminal with high connection strength.

The background technology is as follows:

at present, the crimping type wire harness terminal is generally applied to a terminal strip, each wire harness terminal can be crimped and fixedly connected with each wire harness, and then the wire harness terminal is pressed into the terminal strip; the structure of the prior crimping type wire harness terminal is shown in figure 1 of the drawings, the prior crimping type wire harness terminal comprises a cartridge shell-shaped guide head 1, a cylindrical shell-shaped conductive plug 11' is formed at the rear end of the guide head 1, a strip-shaped connecting piece 12' which extends in a direction is formed at the rear end of the conductive plug 11', a first crimping plate 13 and a second crimping plate 14 are respectively formed at two side edges of the rear side of the strip-shaped connecting piece 12', the wire harness terminal can be clamped by tilting the first crimping plate 13 to deform, the second crimping plate 14 can be clamped on an insulating part of the wire harness, the width of the strip-shaped connecting piece 12' is smaller for facilitating the tilting deformation of the first crimping plate 13 and the second crimping plate 14, the connection strength of the strip-shaped connecting piece 12' between the conductive plug 11' and the first crimping plate 13 is small, the wire harness terminal and the wire harness are easy to break after the breakage.

The utility model comprises the following steps:

the utility model aims at overcoming the defects of the prior art, and provides a crimping type wire harness terminal with high connection strength, wherein the strength of a connecting plate part between a plug and a crimping plate on the wire harness terminal is high, and the connection strength between the wire harness terminal and a wire harness can be effectively improved.

The utility model provides a crimping formula pencil terminal of high joint strength, includes cartridge shell form direction head, the rear end shaping of direction head has regular hexagonal shell type plug, the lower side shaping of shell type plug rear end has the connecting plate that extends backward, the both sides limit shaping of connecting plate rear end has the second pinch plate, the connecting plate both sides limit shaping between second pinch plate and the shell type plug has first pinch plate, the connecting plate both sides limit between first pinch plate and the shell type plug and between first pinch plate and the second pinch plate has the reinforcing plate of inclined;

the rear end bending of connecting plate has the first backing plate of bar, and first backing plate inserts and establishes between first pinch plate and second pinch plate, and the terminal bending of first backing plate has the second backing plate, and the second backing plate inserts and establishes between the second pinch plate.

Preferably, the first base plate is abutted against the upper end face of the connecting plate, the upper end face of the second base plate is abutted against the upper end face of the first base plate, and the tail end of the second base plate is located between the first buckling plate and the second buckling plate.

Preferably, the length of the second buckling plate on the connecting plate is smaller than that of the first buckling plate, and a plurality of inward concave pressing teeth are formed on the first buckling plate.

Preferably, the front side and the rear side of the second pinch plate are bent and formed with curled edges.

Preferably, the width of the first backing plate is equal to the width of the second backing plate, and the width of the first backing plate is not greater than the width of the connecting plate.

Preferably, three strip-shaped notches are formed in the outer side wall of the shell-type plug, arc-shaped elastic contact pieces are arranged in the notches, the middle parts of the elastic contact pieces are exposed out of the outer side wall of the shell-type plug, the front ends and the rear ends of the elastic contact pieces are respectively formed on the front side edge and the rear side edge of the notches, and the thickness of the elastic contact pieces is smaller than the wall thickness of the shell-type plug;

the central axis of the shell type plug is coincident with the central axis of the guide head, and the elastic contact pieces are uniformly distributed in a ring shape around the central axis of the guide head.

Preferably, a slot penetrating through the rear end face of the shell type plug is formed on the outer wall of the guide head.

The utility model has the beneficial effects that:

this crimping formula pencil terminal designs the plug into regular hexagonal, has utilized the backing plate to step up the pencil, adds the reinforcing plate in the both sides of connecting plate and consolidates the joint strength between pinch plate and the plug, and joint strength between pencil terminal and the pencil is high.

Description of the drawings:

fig. 1 is a schematic perspective view of a conventional crimp type wire harness terminal;

FIG. 2 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 3 is a schematic diagram of the front view of the present utility model;

fig. 4 is a schematic side view of the present utility model.

In the figure: 1. a guide head; 11. a shell type plug; 12. a connecting plate; 13. a first pinch plate; 131. tooth pressing; 14. a second pinch plate; 141. hemming; 15. a reinforcing plate; 16. a first backing plate; 17. a second backing plate; 18. a notch; 19. an elastic contact; 110. grooving; 11', conductive plugs; 12', strip-shaped connecting pieces.

The specific embodiment is as follows:

examples: as shown in fig. 2, a crimp-type wire harness terminal with high connection strength comprises a cartridge shell-shaped guide head 1, wherein a regular hexagonal shell-type plug 11 is formed at the rear end of the guide head 1, a connecting plate 12 extending backwards is formed at the lower side edge of the rear end of the shell-type plug 11, second crimping plates 14 are formed at the two side edges of the rear end of the connecting plate 12, first crimping plates 13 are formed at the two side edges of the connecting plate 12 between the second crimping plates 14 and the shell-type plug 11, and inclined reinforcing plates 15 are formed at the two side edges of the connecting plate 12 between the first crimping plates 13 and the shell-type plug 11 and between the first crimping plates 13 and the second crimping plates 14;

the rear end of the connecting plate 12 is bent to form a first strip-shaped base plate 16, the first base plate 16 is inserted between the first buckling plates 13 and between the second buckling plates 14, the tail end of the first base plate 16 is bent to form a second base plate 17, and the second base plate 17 is inserted between the second buckling plates 14.

The first pad 16 abuts against the upper end face of the connecting plate 12, the upper end face of the second pad 17 abuts against the upper end face of the first pad 16, and the tail end of the second pad 17 is located between the first buckling plate 13 and the second buckling plate 14.

The length of the second buckling plate 14 on the connecting plate 12 is smaller than that of the first buckling plate 13, and a plurality of inward concave buckling teeth 131 are formed on the first buckling plate 13.

The front and rear sides of the second pinch plate 14 are bent to form curled edges 141.

The width of the first pad 16 is equal to the width of the second pad 17, and the width of the first pad 16 is not greater than the width of the connecting plate 12.

Three strip-shaped notches 18 are formed in the outer side wall of the shell-type plug 11, arc-shaped elastic contact pieces 19 are arranged in the notches 18, the middle parts of the elastic contact pieces 19 are exposed out of the outer side wall of the shell-type plug 11, the front ends and the rear ends of the elastic contact pieces 19 are respectively formed on the front side edge and the rear side edge of the notches 18, and the thickness of the elastic contact pieces 19 is smaller than the wall thickness of the shell-type plug 11;

as shown in fig. 1 and 4, the central axis of the shell-type plug 11 coincides with the central axis of the guide head 1, and the elastic contact pieces 19 are uniformly distributed in a ring shape around the central axis of the guide head 1.

As shown in fig. 1 and 3, a slot 110 penetrating the rear end face of the shell-type plug 11 is formed on the outer wall of the guide head 1.

Working principle: the utility model relates to a crimping type wire harness terminal with high connection strength, which is structurally characterized in that a shell type plug 11 is mainly designed to be a regular hexagon instead of a circle, and the distance between a wire harness and a connecting plate 12 is increased by a first base plate 16 and a second base plate 17, so that when the first crimping plate 13 and the second crimping plate 14 are in crimping deformation, the bending parts of the first crimping plate 13 and the second crimping plate 14 can be lifted, reinforcing plates 15 can be arranged at two side edges of the connecting plate 12, and the shape between the reinforcing plates 15 and the connecting plate 12 is not easy to bend like the shape of the existing strip-shaped connecting plate 12', and is not easy to break.

The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.

Claims

1. The utility model provides a high joint strength's crimping formula pencil terminal, includes cartridge shell form direction head (1), its characterized in that: the rear end of the guide head (1) is provided with a regular hexagonal shell-shaped plug (11), the lower side edge of the rear end of the shell-shaped plug (11) is provided with a connecting plate (12) which extends backwards, two side edges of the rear end of the connecting plate (12) are provided with second pinch plates (14), two side edges of the connecting plate (12) between the second pinch plates (14) and the shell-shaped plug (11) are provided with first pinch plates (13), and two side edges of the connecting plate (12) between the first pinch plates (13) and the shell-shaped plug (11) and two side edges of the connecting plate (12) between the first pinch plates (13) and the second pinch plates (14) are provided with inclined reinforcing plates (15);

the rear end of the connecting plate (12) is bent and formed with a strip-shaped first base plate (16), the first base plate (16) is inserted between the first buckling plates (13) and the second buckling plates (14), the tail end of the first base plate (16) is bent and formed with a second base plate (17), and the second base plate (17) is inserted between the second buckling plates (14).

2. The high connection strength crimp type wire harness terminal as claimed in claim 1, wherein: the first base plate (16) is abutted against the upper end face of the connecting plate (12), the upper end face of the second base plate (17) is abutted against the upper end face of the first base plate (16), and the tail end of the second base plate (17) is located between the first buckling plate (13) and the second buckling plate (14).

3. The high connection strength crimp type wire harness terminal as claimed in claim 1, wherein: the length of the second buckling plate (14) on the connecting plate (12) is smaller than that of the first buckling plate (13), and a plurality of inward concave buckling teeth (131) are formed on the first buckling plate (13).

4. A high connection strength crimp type wire harness terminal as claimed in claim 3, wherein: the front side and the rear side of the second pinch plate (14) are bent and formed with curled edges (141).

5. The high connection strength crimp type wire harness terminal as claimed in claim 1, wherein: the width of the first backing plate (16) is equal to the width of the second backing plate (17), and the width of the first backing plate (16) is not larger than the width of the connecting plate (12).

6. The high connection strength crimp type wire harness terminal as claimed in claim 1, wherein: three strip-shaped notches (18) are formed in the outer side wall of the shell-type plug (11), arc-shaped elastic contact pieces (19) are arranged in the notches (18), the middle parts of the elastic contact pieces (19) are exposed out of the outer side wall of the shell-type plug (11), the front ends and the rear ends of the elastic contact pieces (19) are respectively formed on the front side edge and the rear side edge of the notches (18), and the thickness of the elastic contact pieces (19) is smaller than the wall thickness of the shell-type plug (11);

the central axis of the shell-type plug (11) is coincident with the central axis of the guide head (1), and the elastic contact pieces (19) are uniformly distributed in a ring shape around the central axis of the guide head (1).

7. The high connection strength crimp type wire harness terminal as claimed in claim 1, wherein: the outer wall of the guide head (1) is provided with a cutting groove (110) penetrating through the rear end face of the shell type plug (11).