Terminal with flanging folding buckle structure and terminal manufacturing device

Abstract

The present application provides a terminal with a flanging and folding snap-on structure and a terminal manufacturing device, comprising a terminal piece and a fixing portion fixedly connected to the terminal piece, the fixing portion being provided with two relatively parallel cards extending out, the middle of the two cards being a fixing piece space, the terminal piece being provided with a snap-on portion cooperating with the inwardly folded card, a through-hole being provided at the center of the snap-on portion on the terminal piece, the snap-on portion of the terminal piece being fitted with the fixing piece space between the two cards, the through-hole being aligned with the two cards, the two cards being simultaneously flipped inwardly into an arc, the ends of the two cards being inserted into the through-hole of the terminal piece. The terminal with a flanging and folding snap-on structure of the present invention is provided with a snap-on portion cooperating with the inwardly folded card on the terminal piece, the ends of the two cards being inserted into the through-hole of the snap-on portion on the terminal piece, the cards being simultaneously flipped inwardly to wrap the snap-on portion, the ends of the cards being buckled into the through-hole of the terminal piece, thereby increasing the fixing force between the terminal piece and the fixing portion, and improving both the conductive performance and firmness of the product.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic connectors, and in particular to a terminal connection structure and a terminal manufacturing device for automotive electronic connectors. Background Art

[0002] When manufacturing terminals with complex structures, terminals of different material structures are used to be fixed together. In order to fix the terminal piece of the connector and the fixed part that holds the terminal piece together, the current structure is to set two fixing cards on the fixed part. After the two cards are flipped inward in turn, they wrap one end of the backlog terminal piece, and rely on the pre-tightening force of the card squeezing to fix the terminal piece and the fixed part, or use a card to flatten the fixed part and weld it to the terminal piece. This type of structure has low tensile strength between the terminal piece and the fixed part, poor appearance, and residues such as tin slag or rosin slag exist at the welding point, which affects the performance of the product and increases the processing steps, resulting in increased terminal processing costs, which is not conducive to the price advantage of the product and reduces the market competitiveness of the product. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a terminal and a terminal manufacturing device with a low-cost and strong structure and a flanging folding buckle structure.

[0004] The terminal of the present invention has a flanged, folded-in-half-clamp structure, including a terminal piece and a fixing portion fixedly connected to the terminal piece, the fixing portion is provided with two relatively parallel cards extending out, the middle of the two cards is a fixing piece space, the terminal piece is provided with a snap portion that cooperates with the inwardly folded card, a through hole is provided at the center of the snap portion on the terminal piece, the snap portion of the terminal piece fits in with the fixing piece space between the two cards, the through hole is aligned with the two cards, the two cards are simultaneously flipped inwardly into an arc shape, and the ends of the two cards are inserted into the through hole of the terminal piece.

[0005] In one embodiment, the sum of twice the thickness and half the width of the terminal piece is smaller than the height of the card of the fixing portion.

[0006] In one embodiment, the length of the terminal piece through hole is not less than the width of the card of the fixing portion, and the width of the through hole is not less than twice the thickness of the card.

[0007] In one embodiment, the terminal is made of brass, phosphor bronze or beryllium copper.

[0008] In one embodiment, the width of the through hole is greater than twice the thickness of the card, and the two cards are respectively wrapped around the edge of the hole on one side of the through hole after being turned inward.

[0009] In one embodiment, the inner sides of the corresponding cards are provided with indentations that are consistent with the length direction of the terminal piece through-holes.

[0010] The present invention also provides a terminal manufacturing device for manufacturing terminals with the flanged folded snap-on structure, comprising an upper mold and a lower mold, wherein the lower mold is a horizontal sheet structure, the bottom end of the upper mold is provided with an upwardly concave pressing groove, and the upper end of the pressing groove is provided with two arc-shaped guide parts arranged side by side, and the position where the two guide parts contact constitutes a downwardly extending central part, and the central part corresponds to the ends of the two cards that are aligned after being flipped downward, and two downwardly protruding extension parts are provided on both sides of the upper mold, and the inner sides of the two extension parts are aligned with the two sides of the lower mold, and multiple pressing grooves are provided on the upper mold at the same time, and the pressing grooves are arranged side by side.

[0011] In one embodiment of the terminal manufacturing device, the width of the upper mold of the device is slightly larger than the width of the card, and the edge of the upper mold is provided with an annular protrusion, the height of the protrusion is slightly smaller than the thickness of the card.

[0012] Compared with the prior art, the present invention has at least the following advantages:

[0013] 1. The terminal of the present invention has a flanging and folding snap-fit ​​structure, a terminal piece and a fixing part fixedly connected to the terminal piece, the fixing part is provided with two relatively parallel cards extending out, the terminal piece is provided with a snap-fit ​​part that cooperates with the inwardly folded card, and a through hole is provided at the center of the snap-fit ​​part on the terminal piece, the snap-fit ​​part of the terminal piece is aligned with the two cards, and the two cards are simultaneously flipped inward into an arc, and the ends of the two cards are inserted into the through holes of the terminal piece, by making the cards provided on the fixing part flip inward at the same time and wrapping them around the snap-fit ​​part of the terminal piece, the ends of the cards are buckled into the through holes of the terminal piece, so that the reversed part of the card can be flattened by a mold, and the terminal piece and the fixing part can be firmly fixed. Compared with the wrapping structure of the prior art, the terminal piece and the fixing part of the present invention have greater fixing force between them, thereby improving the electrical energy and quality of the product's conductors.

[0014] 2. The terminal manufacturing device of the present invention is used to manufacture the terminal with the flanging folding buckle structure, which can quickly manufacture terminals with the flanging folding buckle structure, ensure product quality and improve product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1This is a three-dimensional schematic diagram of the combination of a terminal piece and a fixing portion according to one embodiment of the present invention;

[0017] Figure 2 This is a plan view of the combination of a terminal piece and a fixing portion according to one embodiment of the present invention. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present disclosure.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] like Figure 1 and Figure 2 The figure shows one of the embodiments of the present invention. A terminal with a folded-edge snap-on structure of the present invention comprises a terminal piece 1 and a fixing portion 2 fixedly connected to the terminal piece. The fixing portion 2 is provided with two relatively parallel cards 22 extending outward, and the middle of the two cards 22 is a fixing piece space 21. The terminal piece 1 is provided with a snap-on portion 16 that cooperates with the inwardly folded card 22. A through hole 10 is provided at the center of the snap-on portion 16 on the terminal piece 1. The snap-on portion 16 of the terminal piece 1 fits in with the fixing piece space between the two cards 22. The through hole is aligned with the two cards. The two cards are flipped inward into an arc at the same time, and the ends of the two cards are inserted into the through hole of the terminal piece.

[0022] In one embodiment, the sum of twice the thickness and half the width of the terminal piece is smaller than the height of the card of the fixing portion.

[0023] In one embodiment, the length of the terminal piece through hole is not less than the width of the card of the fixing portion, and the width of the through hole is not less than twice the thickness of the card.

[0024] In one embodiment, the terminal is made of brass, phosphor bronze or beryllium copper.

[0025] In one embodiment, the width of the through hole is greater than twice the thickness of the card, and the two cards are respectively wrapped around the edge of the hole on one side of the through hole after being turned inward.

[0026] In one embodiment, the inner sides of the corresponding cards are provided with indentations that are consistent with the length direction of the terminal piece through-holes.

[0027] In one embodiment, the present invention also provides a terminal manufacturing device for manufacturing terminals of the flanging folding snap-on structure, comprising an upper mold and a lower mold, wherein the lower mold is a horizontal sheet-like structure, the bottom end of the upper mold is provided with an upwardly concave pressing groove, and the upper end of the pressing groove is provided with two arc-shaped guide parts arranged side by side, and the position where the two guide parts contact constitutes a downwardly extending central part, and the central part corresponds to the ends of the two cards that are aligned after being flipped downward. Two downwardly protruding extensions are provided on both sides of the upper mold, and the inner sides of the two extensions are aligned with the two sides of the lower mold. A plurality of pressing grooves are provided on the upper mold at the same time, and the pressing grooves are arranged side by side. The width of the upper mold is slightly larger than the width of the card, and the edge of the upper mold is provided with an annular protrusion, and the height of the protrusion is slightly smaller than the thickness of the card.

[0028] Compared with the prior art, the present invention has at least the following advantages:

[0029] 1. The terminal of the present invention has a flanging and folding snap-fit ​​structure, a terminal piece and a fixing part fixedly connected to the terminal piece, the fixing part is provided with two relatively parallel cards extending out, the terminal piece is provided with a snap-fit ​​part that cooperates with the inwardly folded card, and a through hole is provided at the center of the snap-fit ​​part on the terminal piece, the snap-fit ​​part of the terminal piece is aligned with the two cards, and the two cards are simultaneously flipped inward into an arc, and the ends of the two cards are inserted into the through holes of the terminal piece, by making the cards provided on the fixing part flip inward at the same time and wrapping them around the snap-fit ​​part of the terminal piece, the ends of the cards are buckled into the through holes of the terminal piece, so that the reversed part of the card can be flattened by a mold, and the terminal piece and the fixing part can be firmly fixed. Compared with the wrapping structure of the prior art, the terminal piece and the fixing part of the present invention have greater fixing force between them, thereby improving the electrical energy and quality of the product's conductors.

[0030] 2. The terminal manufacturing device of the present invention is used to manufacture the terminal with the flanging folding buckle structure, which can quickly manufacture terminals with the flanging folding buckle structure, ensure product quality and improve product yield.

[0031] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A device for manufacturing a terminal with a flanging folding snap-fit ​​structure, comprising an upper mold and a lower mold, wherein the lower mold is a horizontal sheet-shaped structure, the bottom end of the upper mold is provided with an upwardly concave pressing groove, the upper end of the pressing groove is provided with two arc-shaped guide parts arranged side by side, the contact position of the two guide parts constitutes a downwardly extending central part, and the central part corresponds to the end parts of the two cards that are aligned after being turned downward, two downwardly protruding extensions are provided on both sides of the upper mold, the inner sides of the two extensions are aligned with the two sides of the lower mold, the upper mold is also provided with a plurality of pressing grooves, the pressing grooves are arranged side by side, the terminal includes a terminal piece and a fixing part fixedly connected to the terminal piece, the fixing part is provided with two relatively parallel cards, the middle of the two cards is a fixing piece space, the terminal piece is provided with a snap part that cooperates with the inwardly folded card, the center of the snap part on the terminal piece is provided with a through hole, the snap part of the terminal piece is fitted with the fixing piece space between the two cards, when the upper mold and the lower mold are pressed against each other, the two cards are simultaneously turned inward into an arc, and the ends of the two cards are inserted into the through hole of the terminal piece.

2. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 1, characterized in that: The sum of twice the thickness and half the width of the terminal piece is smaller than the height of the card of the fixing portion.

3. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 1, characterized in that: The length of the terminal piece through hole is not less than the width of the card of the fixing portion, and the width of the through hole is not less than twice the thickness of the card.

4. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 1, characterized in that: The width of the through hole is greater than twice the thickness of the card, and the two cards are respectively wrapped around the edge of the hole on one side of the through hole after being turned inward.

5. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 3, characterized in that: The width of the upper mold is slightly larger than the width of the card. The edge of the upper mold is provided with an annular protrusion, and the height of the protrusion is slightly smaller than the thickness of the card.

6. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 1, characterized in that: The inner side opposite to the card is provided with a notch which is consistent with the length direction of the terminal piece through hole.

7. The device for manufacturing a terminal with a flanging folded buckle structure according to claim 1, characterized in that: The terminal is made of brass, phosphor bronze or beryllium copper.

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