CN213093414U - Welding terminal of automobile central electrical junction box - Google Patents

Abstract

The utility model discloses an automobile central electric junction box welding terminal, which relates to the technical field of automobiles and comprises a circuit board, a safety sheet relay and a welding terminal, wherein one end of the welding terminal is fixedly connected with the circuit board, the other end of the welding terminal is spliced with the safety sheet relay, the safety sheet relay is inserted into the other end of the welding terminal to realize the on-off of the circuit board, a clamping component is arranged in the welding terminal, the safety sheet relay is provided with a pin sheet, the stability of the inserted safety sheet relay is improved by realizing the on-off of the circuit board by inserting the safety sheet relay into the other end of the welding terminal, the contact plate is provided with 16 contact points, for heavy trucks, the working environment is usually in a strong vibration environment, the arrangement of the contact points ensures that the welding terminal can ensure the extrusion force of the welding terminal on the pin sheet of the safety sheet relay after being, the product has higher reliability after being inserted and pulled for many times.

Description

Welding terminal of automobile central electrical junction box

Technical Field

The utility model relates to the field of automotive technology, concretely relates to car central authorities electrical junction box welded terminal.

Background

At present, a bus bar type central electrical junction box is generally used for a central electrical junction box for automobiles, particularly heavy-duty automobiles, as shown in fig. 3. The metal bus bar is assembled in a certain mode, and corresponding safety pieces and relays are pressed into corresponding positions as required, wherein the metal pin pieces of the safety pieces and the relays are matched with the punched metal bus bar, so that corresponding circuit connection is achieved. Wherein in the metal pin piece and the busbar cooperation of rupture disc and relay, because spatial structure is restricted when the position distributes not very convenient, and compress tightly through a bending limit that forms at the side punching press with rupture disc relay stitch cooperation in current busbar, thereby it is very little to lead to making the extrusion force that the rupture disc relay received at the contact surface of cooperation in-process and rupture disc relay stitch very little like this, the risk that this state was located rupture disc relay drops under strong vibration environment for a long time will improve greatly, and its insertion force and withdrawal force also will reduce greatly after inserting and drawing out many times, like this also reduce the quality reliability of product itself thereupon.

Therefore, how to solve the above problems is a great need.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a welding terminal for a central electrical junction box of an automobile, which improves the stability of a safety piece and a relay after insertion through an independent welding terminal.

The utility model discloses a following technical scheme realizes:

the utility model provides an electric terminal box welding terminal of car central authorities, includes circuit board, rupture disk relay and welding terminal, welding terminal one end fixed connection circuit board, the welding terminal other end is pegged graft with the rupture disk relay, the rupture disk relay plug realizes the circuit board break-make in the welding terminal other end is inside.

In this scheme, the solitary welding terminal of accessible inserts, thereby compare in prior art because the contact surface of rupture disc relay stitch is very little makes the extrusion force that the rupture disc relay received less, and the risk that this state was located rupture disc relay drops under strong vibration environment for a long time will improve greatly, through rupture disc relay plug in the inside circuit board break-make that realizes of welding terminal other end has improved the stability after the rupture disc relay inserts.

Further, be equipped with the joint subassembly in the welded terminal, the rupture disc relay is equipped with the stitch piece, the stitch piece is fixed with joint subassembly chucking, fastens the stitch piece through the joint subassembly and prevents to become flexible at the rupture disc relay.

Preferably, the clamping assembly comprises two contact plates which are arranged oppositely, and the pin sheet is positioned between the two contact plates so as to further fasten the safety disc relay.

Furthermore, the contact plates are in convex-concave fluctuation, the bulges of the two contact plates correspond to each other, the contact plates are positioned on two sides through extrusion after the pin pieces are inserted, and the bulges of the two contact plates apply force to the pin pieces, so that the stability of the safety piece relay is further improved.

Preferably, the convex corresponding positions of the two contact plates are contact points, the contact plates are provided with 16 contact points, for a heavy truck, the working environment is usually in a strong vibration environment, and the arrangement of the contact points ensures that the extrusion force of the welding terminals on the pin piece of the safety piece relay can be ensured after the welding terminals are inserted and pulled out for multiple times, so that the reliability of the product is improved.

Optionally, the welding terminal is made of C7025 nickel-silicon-copper, and the welding terminal has better conductivity, high elasticity and better stamping forming performance.

Optionally, the surface of the welding terminal is a zinc coating, so that the welding process is more stable, and the oxidation resistance is stronger.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model relates to an automobile central electric junction box welding terminal, which can be inserted through an independent welding terminal, and because the risk that a safety sheet relay falls off under a strong vibration environment for a long time is higher, the stability of the safety sheet relay after being inserted is improved by plugging the safety sheet relay into the other end of the welding terminal to realize the on-off of a circuit board; the stability of the safety disc and the relay is increased by the internal special 16-point contact; the stability of the safety plate and the relay is increased by the special 16-point contact inside.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of an overall structure of a solder terminal according to an embodiment of the present invention;

FIG. 2 is a schematic view of an internal structure of a solder terminal according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a fuse relay in a central electrical junction box according to an embodiment of the present invention.

Reference numbers and corresponding part names:

1. a circuit board; 2. a rupture disk relay; 21. a stitch sheet; 3. welding a terminal; 31. a contact plate; 311. a point of contact.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Examples

As shown in fig. 1, an automobile central electric terminal box welded terminal, including circuit board 1, tabbing relay 2 and welded terminal 3, welded terminal 3 one end fixed connection circuit board 1, the welded terminal 3 other end is pegged graft with tabbing relay 2, tabbing relay 2 plugs realizes the break-make of circuit board 1 inside the welded terminal 3 other end, insert through solitary welded terminal 3, thereby compare in prior art because the contact surface of 2 stitches of tabbing relay is very little so that the extrusion force that 2 receives of tabbing relay is less, because the risk that 2 drops of tabbing relay 2 under the strong vibration environment of long-term department is higher, through 2 plugs of tabbing relay in the inside break-make of circuit board 1 of realizing of the welded terminal 3 other end has improved the stability after 2 inserts of tabbing relay.

As shown in fig. 1, the safety disc relay 2 of the above embodiment is preferably provided with a pin piece 21, the pin piece 21 is fixed to the latch assembly, and the pin piece 21 is fixed to the latch assembly to prevent the safety disc relay 2 from loosening.

As a preferred embodiment, as shown in fig. 1 and 2, the contact plates 31 are disposed opposite to each other, and the pin piece 21 is located between the contact plates 31 to further secure the rupture disc relay 2.

As shown in fig. 1 and 2, the contact plates 31 are convex-concave, the protrusions of the two contact plates 31 correspond to the protrusions of the two contact plates 31, and after the contact pin pieces 21 are inserted, the protrusions of the two contact plates 31 apply force to the contact pin pieces 21, so that the stability of the rupture disk relay 2 is further improved.

As a preference of the above embodiment, as shown in fig. 2, the protrusions of the two contact plates 31 correspond to the contact points 311, the contact plates 31 are provided with 16 contact points 311, the structure enables the safety sheet relay 2 to bear 2 sections of acting force in the assembling process, so that the stability of the safety sheet relay 2 is better, and for a heavy truck, the working environment is usually in a strong vibration environment, the arrangement of the plurality of contact points 311 ensures that the extrusion force of the welding terminal 3 on the pin piece 21 of the safety fuse relay 2 can be ensured after the welding terminal is inserted and pulled for a plurality of times, the reliability of the product is improved, the insertion force of the welding terminal 3 in the insertion process of the safety disc is 30-40N through testing, the insertion force can also reach 28-30N after 10 times of plugging, the insertion force of the relay in the insertion process is 140-150N, the insertion force after 10 times of plugging is 145-150N, and the insertion force meets the corresponding national standard requirements in view of experimental results. The surface of the welding terminal 3 is subjected to tin plating treatment, so that the welding terminal is more stable in the welding process and has stronger oxidation resistance.

In addition, the welding terminal 3 is made of C7025 nickel-silicon-copper, which has better conductivity, high elasticity and better stamping forming performance.

In addition, the surface of the welding terminal 3 is a zinc coating, so that the welding process is more stable, and the oxidation resistance is stronger.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides an electric terminal box welding terminal of car central authorities, its characterized in that includes circuit board (1), rupture disk relay (2) and welding terminal (3), welding terminal (3) one end fixed connection circuit board (1), the welding terminal (3) other end is pegged graft with rupture disk relay (2), rupture disk relay (2) plug realizes circuit board (1) break-make in welding terminal (3) other end is inside.

2. The welding terminal of the automobile central electric junction box according to claim 1, wherein a clamping assembly is arranged in the welding terminal (3), the safety disc relay (2) is provided with a pin piece (21), and the pin piece (21) is clamped and fixed with the clamping assembly.

3. The automotive central electrical junction box weld terminal of claim 2, wherein the clamping assembly comprises two contact plates (31), the contact plates (31) are oppositely arranged, and a socket is arranged between the two contact plates (31).

4. The automotive central electric junction box soldering terminal according to claim 3, wherein the contact plates (31) are convexo-concave and undulate, and the protrusions of the two contact plates (31) correspond to each other.

5. The welding terminal of the automotive central electric junction box according to claim 4, characterized in that the corresponding protrusion of the two contact plates (31) is a contact point (311), and the contact plates (31) are provided with 16 contact points (311).

6. The automotive central electrical junction box solder terminal according to claim 1, wherein the solder terminal (3) is soldered to the circuit board (1).

7. The welding terminal of claim 1, wherein the welding terminal (3) is C7025 nickel-silicon-copper.

8. The welding terminal of claim 1, wherein the surface of the welding terminal (3) is galvanized.

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