CN211017481U - A split terminal with high resilience and large contact area - Google Patents

Abstract

The utility model discloses a split groove terminal with high resilience force and large contact area, which comprises a spring plate base part, wherein more than one first spring plate is riveted on the spring plate base part, the first spring plates are arranged around the spring plate base part in a circle, a clearance cavity is formed between every two adjacent first spring plates, a second spring plate is welded on the spring plate base part in each clearance cavity, more than one first spring plate and one second spring plate form a cylindrical terminal in a surrounding way, and the front end of the terminal is a conical surface; the utility model is assembled by a plurality of small elastic pieces; the contact point is divided into upper and lower two ends for contact to the preforming by the not permeable steel preparation guarantees that the shell fragment of inside resets, increases electric conductive property, reduces the temperature rise when using, has increased the life of product.

Description

A split terminal with high resilience and large contact area

technical field

The utility model relates to the fields of new energy connectors, high-voltage connectors, communications, medical equipment and industrial robots, in particular to a split-slot terminal with high resilience and large contact area.

Background technique

At present, the plug-in copper bars are mainly used for new energy connectors, high-voltage connectors, communications, medical equipment, industrial robots, etc. However, the current contact copper bars have low electrical conductivity and low service life, and there are many deficiencies in their use.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is a split-slot terminal with high resilience and large contact area, which is assembled from several small elastic pieces; To ensure that the shrapnel inside is reset, the service life is increased by 10 times, the rated current is increased, and the temperature during use is reduced.

The utility model is realized by the following technical solutions: a split-slot terminal with high resilience and large contact area, comprising a base spring piece, on which more than one first spring piece is riveted, and the first spring piece surrounds The shrapnel base pieces are arranged in a circle, a gap cavity is formed between the adjacent first shrapnel pieces, a second shrapnel piece is welded on the shrapnel piece base piece in each gap cavity, and more than one first shrapnel piece and the second shrapnel piece surround to form a A cylindrical terminal, the front end of the terminal is a tapered surface;

After the first elastic sheet and the second elastic sheet are both installed on the elastic base piece, a fixing sleeve is installed on the outside of the elastic base piece, and the fixing sleeve is provided with one or more pressing pieces inclined inwardly. The first elastic piece and the second elastic piece of the end are in contact.

As a preferred technical solution, the pressing sheet includes a first pressing sheet and a second pressing sheet, the first pressing sheet is facing the first elastic sheet, the second pressing sheet is facing the second elastic sheet, and the front end of the pressing sheet is curved, It contacts the shrapnel through the curvature of the front end.

As a preferred technical solution, a widened portion is formed on the head of the first elastic piece, and a first arc surface is formed on the head of the widened portion. The left and right sides of the widened portion between the elastic pieces are in arc-shaped contact, and a gap cavity is formed at the body of the first elastic piece.

As a preferred technical solution, the second elastic pieces are all formed by punching, which is a one-piece structure, the head of which is formed with a second arc surface, and a part of the second elastic piece is inclined.

As a preferred technical solution, the length of the first elastic piece is greater than the length of the second elastic piece, the external pin is inserted into the terminal formed by the splicing of the first elastic piece and the second elastic piece, and the outer end of the external pin is provided with a wiring cavity for connecting cable.

The beneficial effects of the utility model are as follows: the utility model is assembled by several small shrapnel; the contact points are divided into upper and lower ends for contact, and pressed sheets made of impermeable steel ensure the reset of the shrapnel inside, increase the electrical conductivity, Reduce the temperature rise during use and increase the service life of the product.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural schematic diagram of the first elastic piece of the present invention;

2 is a schematic structural diagram of a second elastic piece of the present invention;

Fig. 3 is the structural schematic diagram of the shrapnel base piece of the present invention;

Fig. 4 is the structural representation of the fixing sleeve of the present invention;

5 is a perspective view of the first and second elastic pieces of the present invention after being riveted on the elastic piece base;

Fig. 6 is the sectional view in Fig. 5;

7 is a schematic diagram of the overall assembly of the present utility model;

Fig. 8 is the internal sectional view in Fig. 7;

Fig. 9 is the overall working principle diagram of the utility model.

Detailed ways

All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), unless expressly stated otherwise, may be replaced by other equivalent or alternative features serving a similar purpose. That is, unless expressly stated otherwise, each feature is but one example of a series of equivalent or similar features.

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end" The orientation or positional relationship indicated by "portion", "length", "outer end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, in the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

Terms such as "upper", "above", "lower", "below" and the like used in the present invention to indicate relative positions in space are for the purpose of illustration to describe the relative position of a unit or feature as shown in the drawings relative to A relationship to another unit or feature. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise expressly specified and limited, terms such as "arrangement", "socket connection", "connection", "penetration", "plug connection" and other terms should be understood in a broad sense, for example, it may be a fixed connection , it can be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the mutual connection of two elements relationship, unless otherwise expressly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIGS. 3 and 7 , a split-slot terminal with high resilience and large contact area of the present invention includes a base spring piece 8 on which more than one first spring piece 1 is riveted. A shrapnel 1 is arranged around the shrapnel base 8, a gap cavity is formed between the adjacent first shrapnel 1, and a second shrapnel 4 is welded to the shrapnel base in each gap cavity. The elastic piece 1 and the second elastic piece 4 surround a cylindrical terminal, and the front end of the terminal is a tapered surface, as shown in Figure 5 and Figure 6;

As shown in FIG. 7 and FIG. 8 , after the first elastic piece 1 and the second elastic piece 4 are both installed on the elastic base piece 8 , a fixing sleeve 12 is installed on the outside of the elastic base piece 8 , and more than one piece of the fixing sleeve 12 is provided on the fixing sleeve 12 . The inwardly inclined pressing piece is in contact with the first elastic piece 1 and the second elastic piece 4 at the inner end after the pressing piece is inclined inward. During the above assembly process, all accessories are interference fit to prevent loosening.

As shown in FIG. 4 , the pressing piece includes a first pressing piece 13 and a second pressing piece 11 , the first pressing piece 13 is facing the first elastic piece 1 , and the second pressing piece 13 is facing the second elastic piece 4 . The front end is in an arc, and it contacts the shrapnel through the arc of the front end.

As shown in FIG. 1 , a widened portion 3 is formed on the head of the first elastic piece 1 , and a first arc surface 2 is formed on the head of the widened portion 3 . The left and right sides of the widened portion 3 between the adjacent first elastic pieces 1 are in arc-shaped contact, and a gap cavity is formed at the body of the first elastic piece.

As shown in FIG. 2 , the second elastic pieces 4 are all formed by punching, which is a one-piece structure, and a second arc surface 6 is formed on the head thereof, and a part of the second elastic piece is inclined 5 .

As shown in FIG. 9 , the length of the first elastic piece 1 is greater than the length of the second elastic piece 4 , the external pin is inserted into the terminal formed by the splicing of the first elastic piece and the second elastic piece, and a wiring cavity 101 is opened at the outer end of the external pin 100 , used to connect the cable.

In FIG. 9 , in order to explain the stress situation of each elastic piece after the insertion of the external pin 100, letters are used to represent each stress point in FIG. 9 . When the pin is inserted forward, it first touches point A. When point A is stressed, an outward tension is generated. When the outward tension expands outward, it touches point B, and the tablet at point B is pressed. Inward pressure is generated; when the external pin continues to be inserted forward, it can contact point C, when point C is stressed, it will generate an outward tension, and when the outward tension expands outward, it can contact When it reaches point D, the pressing piece at point D will generate inward pressure to ensure that the shrapnel is tightly attached to the external pin.

The beneficial effects of the utility model are as follows: the utility model is assembled by several small shrapnel; the contact points are divided into upper and lower ends for contact, and pressed sheets made of impermeable steel ensure the reset of the shrapnel inside, increase the electrical conductivity, Reduce the temperature rise during use and increase the service life of the product.

The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited to this, and any changes or replacements that are not thought of through creative work should be included within the protection scope of the present utility model. . Therefore, the protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (5)

1. a split-slot terminal with high resilience and large contact area, is characterized in that: comprise shrapnel base piece, on this shrapnel base piece riveted with more than one first shrapnel, the first shrapnel is arranged around the shrapnel base piece in a circle , a gap cavity is formed between the adjacent first shrapnel, a second shrapnel is welded on the shrapnel base in each gap cavity, and more than one first shrapnel and the second shrapnel surround a cylindrical terminal, the terminal The front end is a conical surface; After the first elastic sheet and the second elastic sheet are both installed on the elastic base piece, a fixing sleeve is installed on the outside of the elastic base piece, and the fixing sleeve is provided with one or more pressing pieces inclined inwardly. The first elastic piece and the second elastic piece of the end are in contact. 2. The split-slot terminal with high resilience and large contact area as claimed in claim 1, wherein the pressing sheet comprises a first pressing sheet and a second pressing sheet, and the first pressing sheet is opposite to the first elastic sheet , the second pressing piece is facing the second elastic piece, the front end of the pressing piece is curved, and the front end of the pressing piece is in contact with the elastic piece. 3. The split terminal with high resilience and large contact area as claimed in claim 1, wherein the head of the first elastic piece forms a widened portion, and the head of the widened portion is formed with a first On the curved surface, after the first elastic piece is riveted on the elastic piece base piece, the left and right sides of the widened part between the adjacent first elastic pieces are in arc-shaped contact, forming a gap cavity at the body of the first elastic piece. 4. The split-slot terminal with high resilience and large contact area as claimed in claim 1, characterized in that: the second elastic piece is formed by punching, and it is an integral structure, and its head is formed with a The second arc surface, and a part of the second elastic piece is inclined. 5. The split-slot terminal with high resilience and large contact area as claimed in claim 1, characterized in that: the length of the first elastic piece is greater than the length of the second elastic piece, and the external pin is inserted into the first elastic piece, the second elastic piece In the spliced terminal, the outer end of the outer pin is provided with a wiring cavity for connecting the cable.

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