CN211605469U

CN211605469U - Stamping forming's photovoltaic connector terminal

Info

Publication number: CN211605469U
Application number: CN202020333326.7U
Authority: CN
Inventors: 岑棋
Original assignee: Ningbo Donghao Photovoltaic Technology Co ltd
Current assignee: Ningbo Donghao Photovoltaic Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-09-29
Anticipated expiration: 2030-03-17

Abstract

The utility model provides a stamping forming's photovoltaic connector terminal, including terminal main part and stopping circle, terminal main part and stopping circle are accomplished through two unification punching press integrated into one piece's mode processing, terminal main part upper portion is formed with the riveting cup that the section is the U style of calligraphy, terminal main part middle part processing draw-in groove, the stopping circle is established to the cover in the draw-in groove, draw-in groove longitudinal symmetry distributes and has the bump, distance between two bumps of longitudinal symmetry and the width phase-match of stopping circle, the place processing that the draw-in groove meets has the breach, evenly distributed has the stopping shell fragment on the stopping circle, the stopping circle department of meeting symmetry is equipped with the locating pawl, the locating pawl turns over to the enstroph. Set up bump and breach in the terminal main part, correspond on the stopping circle and be equipped with the positioning pawl, restrict the axial displacement and the radial rotation of stopping circle respectively, then accomplish through two unification punching press integrated into one piece's mode processing. The stopping ring is axially and radially limited in a mechanical structure mode, the positioning is accurate, the processing is convenient, and the working efficiency is effectively improved.

Description

Stamping forming's photovoltaic connector terminal

Technical Field

The utility model relates to a stamping forming's photovoltaic connector terminal.

Background

In a photovoltaic power station, a large amount of electric quantity of components needs to be gathered together and enters an inverter, and a cable and a connector are needed, wherein the photovoltaic connector is a key part for mutually connecting various components such as the components, a combiner box, a controller and the inverter in a photovoltaic power generation system. The metal core is the main part that the connector constitutes, also is the most main route that the electric current passes through, and the photovoltaic connector on the existing market includes "U" type metal core, and it is by copper sheet stamping forming, also called punching press type metal core, is fit for automatic pencil production, and this kind of metal core mainly includes main part and stopping circle, and this just relates to the problem of how to carry out effective location with stopping circle at main part, need carry out effective and convenient spacing to stopping circle, guarantees the stability of connecting.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a stamping forming's photovoltaic connector terminal.

For realizing the above-mentioned purpose, the utility model provides a stamping forming's photovoltaic connector terminal, including terminal main part and stopping circle, the terminal main part with the stopping circle is accomplished through two unification punching press integrated into one piece's mode processing, terminal main part upper portion is formed with the riveting cup that the section is the U style of calligraphy, terminal main part middle part processing draw-in groove, the cover is established in the draw-in groove the stopping circle, draw-in groove longitudinal symmetry distributes and has the bump, two of longitudinal symmetry distance between the bump with the width phase-match of stopping circle, the local processing that the draw-in groove meets has the breach, evenly distributed has the stopping shell fragment on the stopping circle, the free end of stopping shell fragment is outwards rolled over, stopping circle department of meeting symmetry is equipped with the locating pawl, the locating pawl turn over inwards with the breach block.

As a further improvement, the clamping groove is embedded to be closed the stopping ring, the length of clamping groove with the length matching of stopping ring, the degree of depth of clamping groove with the thickness matching of stopping ring, its length with after stopping ring block is accomplished the length matching of terminal main part.

As a further improvement, the outer wall of the convex point is higher than the outer wall of the stopping ring.

As a further improvement of the utility model, the number of the salient points is at least two pairs.

As a further improvement, the locating shaft top chamfer, the terminal main part lower part is passed through the dovetail structure and is connected, the dovetail structure is including distributing the forked tail of terminal main part junction one side still includes terminal main part junction opposite side with the dovetail that the forked tail position is relative.

As a further improvement, the dovetail groove structure has two groups.

As a further improvement, the thickness of the terminal main body is greater than the thickness of the retaining ring.

The utility model has the advantages that:

set up bump and breach in the terminal main part, correspond on the stopping circle and set up the positioning claw, restrict the axial displacement and the radial rotation of stopping circle respectively, then accomplish through two unification punching press integrated into one piece's mode processing, carry out axial and radial spacing to the stopping circle through mechanical structure's mode, the location is accurate, and processing is convenient, effectively improves work efficiency.

Drawings

Fig. 1 is a perspective view of a stamped photovoltaic connector terminal according to the present invention;

fig. 2 is a planar expanded view of the photovoltaic connector terminal formed by stamping according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a plan development of the component 1;

FIG. 5 is a sectional view taken along line A in FIG. 4;

FIG. 6 is a front plan view of the component 2;

fig. 7 is a planar developed side sectional view of the component 2.

In the figure: 1. a terminal main body; 11. riveting a cup; 12. a card slot; 121. a notch; 13. salient points; 14. a dovetail groove structure; 141. a dovetail; 142. a dovetail groove; 2. a backstop ring; 21. a backstop elastic sheet; 22. and a positioning claw.

Detailed Description

As shown in figure 1, the photovoltaic connector terminal formed by stamping of the utility model is made of metal, the terminal comprises a terminal main body 1 and a retaining ring 2, the terminal main body 1 and the retaining ring 2 are processed and finished by a two-in-one stamping and integrated molding mode, the thickness of the terminal main body 1 is larger than that of the retaining ring 2, a riveting cup 11 with a U-shaped section is formed at the upper part of the terminal main body 1, the riveting cup 11 is used for crimping a cable, a clamping groove 12 is processed at the middle part of the terminal main body 1, the retaining ring 2 is sleeved in the clamping groove 12, the retaining ring 2 is embedded in the clamping groove 12, the length of the clamping groove 12 is matched with that of the retaining ring 2, the depth of the clamping groove 12 is matched with that of the retaining ring 2, the length of the retaining ring 2 is matched with that of the terminal main body 1 after the clamping of the retaining ring 2 is finished, thus, the inner wall of the retaining ring 2 can be tightly attached to the outer wall of the clamping groove 12, the outer wall of the retaining ring, the upper and lower symmetric distribution of draw-in groove 12 has bump 13, distance between two upper and lower symmetric bumps 13 and the width phase-match of stopping circle 2, bump 13 carries out axial positioning to stopping circle 2, prevent that stopping circle 2 from carrying out axial displacement, the outer wall of bump 13 exceeds the outer wall of stopping circle 2, the quantity of bump 13 is two pairs at least, the place that draw-in groove 12 connects is processed jaggedly 121, evenly distributed has stopping shell fragment 21 on the stopping circle 2, the free end of stopping shell fragment 21 turns over outwards, stopping circle 2 meets the symmetry and is equipped with locating pawl 22, locating pawl 22 turns over inwards and turns over with breach 121 block, terminal main part 1 lower part is connected through dovetail structure 14, dovetail structure 14 is including the forked tail 141 that distributes in terminal main part 1 junction one side, still include the dovetail 142 that is relative with forked tail 141 position at terminal main part 1 junction opposite side, dovetail structure 14 has two sets.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

when the terminal is machined, firstly, the metal plate is machined into the clamping grooves and the salient points (see fig. 3 and fig. 4) which are uniformly distributed on the upper part and the lower part of the clamping grooves in a stamping mode, notches are symmetrically machined at two ends of each clamping groove, so that the length of each clamping groove is smaller than that of the terminal main body, a dovetail groove structure can be punched firstly, and dovetail grooves corresponding to dovetails are symmetrically machined at the lower parts of the terminal main bodies respectively; then, a pre-processed integrally-formed retaining ring (see fig. 2) is placed on the clamping groove, the length of the retaining ring is matched with that of the clamping groove, four corners of two ends of the retaining ring extend outwards to form positioning claws respectively, retaining spring pieces are uniformly distributed in the middle of the retaining ring, free ends of the retaining spring pieces are turned outwards (see fig. 5 and fig. 6), upper and lower convex points of the clamping groove are abutted against upper and lower wall surfaces of the retaining ring, the retaining ring is positioned in the vertical direction, positioning claws on the left side and the right side of the retaining ring are turned inwards, the turning direction of the positioning claws is opposite to that of the retaining spring pieces, the positioning claws are clamped with notches on two sides of the clamping groove after being turned over, the retaining ring is positioned in the left-right direction, two sides of the retaining ring after positioning are flush with two sides of the terminal main body, and the outer wall of the retaining ring is flush with the outer wall of the terminal main body; and after the plane shape of the riveting cup is punched, the whole of the terminal main body and the retaining ring is rolled and pressed, and the rolling and pressing direction is inward and is opposite to the folding direction of the retaining elastic sheet.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stamping forming's photovoltaic connector terminal which characterized in that: the terminal comprises a terminal main body (1) and a stopping ring (2), wherein the terminal main body (1) and the stopping ring (2) are processed and finished in a two-in-one stamping and integrated forming mode, a riveting cup (11) with a U-shaped section is formed on the upper portion of the terminal main body (1), a clamping groove (12) is processed in the middle of the terminal main body (1), the stopping ring (2) is sleeved in the clamping groove (12), salient points (13) are distributed on the clamping groove (12) in an up-and-down symmetrical mode, the distance between the two salient points (13) in the up-and-down symmetrical mode is matched with the width of the stopping ring (2), a notch (121) is processed in a connecting position of the clamping groove (12), stopping elastic sheets (21) are uniformly distributed on the stopping ring (2), the free ends of the stopping elastic sheets (21) are outwards turned over, positioning claws (22) are symmetrically arranged at the position of the stopping ring (2, the positioning claw (22) is turned inwards to be clamped with the notch (121).

2. The stamped photovoltaic connector terminal according to claim 1, wherein: the clamping groove is characterized in that the retaining ring (2) is embedded in the clamping groove (12), the length of the clamping groove (12) is matched with the length of the retaining ring (2), the depth of the clamping groove (12) is matched with the thickness of the retaining ring (2), and the length of the retaining ring (2) is matched with the length of the terminal body (1) after the clamping is completed.

3. The stamped photovoltaic connector terminal according to claim 1, wherein: the outer wall of the salient point (13) is higher than the outer wall of the retaining ring (2).

4. The stamped photovoltaic connector terminal according to claim 1 or 3, wherein: the number of the salient points (13) is at least two pairs.

5. The stamped photovoltaic connector terminal according to claim 1, wherein: the lower part of the terminal body (1) is connected through a dovetail groove structure (14), the dovetail groove structure (14) comprises dovetails (141) distributed on one side of the connection position of the terminal body (1), and further comprises dovetail grooves (142) opposite to the dovetails (141) on the other side of the connection position of the terminal body (1).

6. The stamped photovoltaic connector terminal according to claim 5, wherein: the dovetail groove structures (14) are divided into two groups.

7. The stamped photovoltaic connector terminal according to claim 1, wherein: the thickness of the terminal main body (1) is larger than that of the retaining ring (2).