CN113922126A

CN113922126A - Rectangular punched jack assembly

Info

Publication number: CN113922126A
Application number: CN202111198324.7A
Authority: CN
Inventors: 金梦醒; 张强; 张智玲; 陈元鑫; 向晓东
Original assignee: Sichuan Yonggui Science and Technology Co Ltd
Current assignee: Sichuan Yonggui Science and Technology Co Ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-01-11

Abstract

The invention discloses a rectangular punched jack component which comprises reeds and a jack base body, wherein the reeds are symmetrically arranged in the jack base body and fixedly connected with the jack base body through riveting and laser welding; the reed is provided with two groups of elastic tongues which are symmetrically and uniformly distributed and arranged and are used for contacting with the adaptive inserting sheet to conduct current, the elastic tongues are arranged on the reed in parallel, and each elastic tongue is provided with an independent supporting point. The reed is symmetrically arranged, the number of contacts is large, the reed is reliably connected with the base body through riveting and laser welding, and the current-carrying and vibration-resisting capabilities are strong. The stamping production process is adopted, so that the production efficiency is high, the method is suitable for batch production, and is particularly suitable for the requirements of new energy automobiles on high current, small volume, high performance and low cost of the connector.

Description

Rectangular punched jack assembly

Technical Field

The invention relates to the technical field of electric connectors, in particular to a rectangular punched jack component, which is applied to a contact jack on an electric connector in the electric appliance field of new energy electric automobiles, industrial equipment, urban rails and railway vehicles, especially to a contact jack used by an electric connector applied to a new energy electric automobile.

Background

The contact is a key part of the electric connector, and with the rapid development of the new energy electric automobile industry, the demand on the electric connector with high current-carrying capacity is increasingly urgent. Traditional round contact processing technology of car system is complicated, and production efficiency is low, and manufacturing cost is high, under the same current-carrying capacity, compare in the rectangle punching jack electric connector needs bigger arrangement space, is difficult to satisfy market economic nature demand, lacks competitiveness, is unfavorable for promoting. The existing rectangular punched contact reed and the base body are mostly assembled, and the problems of limited current carrying capacity, poor vibration resistance, large insertion and extraction force and the like exist.

Disclosure of Invention

The invention aims to provide a rectangular punched socket assembly. So as to solve the technical problems existing in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rectangular punched jack component comprises reeds and a jack base body, wherein the reeds are symmetrically arranged in the jack base body and fixedly connected with the jack base body through riveting and laser welding; the reed is provided with two groups of elastic tongues which are symmetrically and uniformly distributed and arranged and are used for contacting with the adaptive inserting sheet to conduct current, the elastic tongues are arranged on the reed in parallel, and each elastic tongue is provided with an independent supporting point.

In some embodiments, the socket base is provided with a socket head for placing the spring and a cable connection portion for connecting the socket and the cable.

In some embodiments, the cable connection is provided in the form of a flat plate for ultrasonic welding connections or in a "U" shaped configuration for cold-pressed connections.

In some embodiments, the spring pieces are symmetrically arranged on the inner wall of the plug head and fixedly connected with the plug head through riveting or laser welding.

In some embodiments, the socket base is provided with rectangular rivet grooves and rivet pins which are fastened with each other, so that the head of the socket forms a regular rectangular cavity.

In some embodiments, the spring plate is formed by stamping a copper alloy plate, four connecting holes for riveting are arranged along the opposite corners of the spring plate, and a welding groove is arranged in the middle of the spring plate; one end of the elastic tongue piece is connected with the reed, the other end of the elastic tongue piece is in a cantilever state after being extended, and a convex point is arranged at the top peak of the cantilever and used for increasing the contact points of the reed and the matching insertion piece.

In some embodiments, a yielding space is arranged between one end of the elastic tongue piece, which is not connected with the reed, and the jack base body in an initial state, the elastic tongue piece is in a cantilever state in an initial stage of inserting the matching insertion piece, and is attached to the jack base body along the yielding space in the inserting process, and after the insertion piece is inserted in place, the tail end of the elastic tongue piece is contacted with the jack base body to play a supporting role.

In some embodiments, the top surface and the side surface of the head of the jack are vertically provided with a first opening and a second opening, so that two insertion directions are provided for the insertion piece, and the insertion and extraction of the insertion piece in two directions of 90 degrees and 180 degrees of the jack base body are realized by changing the position relation between the spring plate and the jack base body during riveting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic illustration of the cold-pressed connection of the present invention;

FIG. 3 is an expanded view of the present invention

FIG. 4 is a schematic view of the structure of the leaf spring of the present invention

FIG. 5 is a schematic sectional view of the head of the jack of the present invention

FIG. 6 is a sectional partial enlarged view of the head of the jack of the present invention

FIG. 7 is a schematic view of the use of the first opening of the present invention

FIG. 8 is a schematic view of the second opening of the present invention

FIG. 9 is a schematic diagram showing the relationship between the spring and the base of the insertion hole according to the present invention

Wherein, the names corresponding to the reference numbers in the drawings are:

the cable connector comprises a rectangular punched jack 1, a jack base body 2, a cable connecting portion 2-1, a jack head 2-2, an abdicating space 2-2-1, a convex edge 2-3, a rivet groove 2-4, a rivet convex nail 2-5, a rivet pressing hole 2-6, a first opening 2-7, a second opening 2-8, a reed 3, an elastic tongue piece 3-1, a convex point 3-1-1, a connecting hole 3-2, a welding groove 3-3 and an inserting piece 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

On the contrary, this application is intended to cover any alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the application as defined by the appended claims. Furthermore, in the following detailed description of the present application, certain specific details are set forth in order to provide a better understanding of the present application. It will be apparent to one skilled in the art that the present application may be practiced without these specific details.

The rectangular punched socket according to the embodiment of the present application will be described in detail below with reference to fig. 1. It is to be noted that the following examples are only for explaining the present application and do not constitute a limitation to the present application.

In the embodiments of the present application, as shown in fig. 1: a rectangular punched jack component 1 comprises a jack base body 2 and a reed 3, wherein the jack base body 2 is provided with a jack head 2-2 and a cable connecting part 2-1, the jack head 2-2 is used for placing the reed 3, and the cable connecting part 2-1 is used for connecting a jack and a cable. The cable connection part 2-1 may be provided in the form of a flat plate for ultrasonic welding connection, or may be provided in the form of a "U" shaped structure as shown in fig. 2 for cold-pressed connection. The reed 3 is symmetrically arranged on the inner wall of the jack head part 2-2 and fixedly connected with the jack head part 2-2 through riveting or laser welding.

The rectangular rivet button groove 2-4 on the plug hole base body 2 is buckled with the rivet button convex nail 2-5, so that the plug hole head 2-2 forms a regular rectangular cavity, the plug hole is ensured to keep the shape in the long-term use process, and the reeds 3 are arranged in parallel and symmetrically in the plug hole head 2-2.

As shown in fig. 3, in the unfolded state of the socket base body 2, the plane unfolded structure of the socket base body 2 is formed by punching a copper alloy plate with the thickness of (1.8-3.0) mm. Arranging the reed 3 at a preset position of the expansion structure of the jack matrix 2, enabling one side of the plane of the reed 3 to be attached to the jack matrix 2, riveting the opposite angle of the reed 3 through riveting holes 2-6 on the jack matrix 2, and then fixing the reed on the jack matrix 2 to form a fixed riveting point. Then welding is carried out at the position of the welding groove 3-3 of the reed 3 to form a welding seam; the above measures ensure that the reed and the jack matrix are reliably connected and can conduct larger current.

As shown in figure 4, the reed 3 is formed by punching a copper alloy plate with the thickness of 0.2-0.3 mm, four connecting holes 3-2 for riveting are arranged along the opposite corners of the reed 3, and a welding groove 3-3 is arranged in the middle. Two groups of elastic tongues 3-1 which are symmetrically and uniformly distributed and arranged are arranged on the reed 3, the elastic tongues 3-1 are arranged on the reed 3 in parallel, the two groups are staggered and are not limited in number, and each elastic tongue 3-1 is provided with an independent supporting point. One end of the elastic tongue piece 3-1 is connected with the reed 3, the other end of the elastic tongue piece is in a cantilever state after extending, and the top peak of the cantilever is provided with a convex point 3-1-1 for increasing the contact point of the reed 3 and the matching insertion piece. In particular, the connection portion of the elastic tongue piece 3-1 and the spring piece 3 is narrower than the peak contact portion, and the material is fully utilized by the width staggered arrangement, so that as many contacts and contact areas as possible are provided in a limited size range.

As shown in fig. 5 and 6: an abdicating space 2-2-1 is arranged between one end of the elastic tongue piece 3-1 which is not connected with the reed 3 and the jack base body 2 in an initial state, namely, a gap is not formed between the two in a contact mode. At the initial stage of inserting the matching insertion sheet 4, the elastic tongue piece 3-1 is in a cantilever state and slowly sticks to the jack matrix 2 along the yielding space in the inserting process, so that the insertion force of the insertion sheet can be effectively reduced, after the insertion sheet 4 is inserted in place, the tail end of the elastic tongue piece 3-1 is in contact with the jack matrix 2 to play a supporting role, the positive pressure between the elastic tongue piece 3-1 and the insertion sheet 4 can be effectively increased, and the current conduction capability between the insertion sheet 4 and the jack matrix 2 is increased.

As shown in fig. 7 and 8: the top surface and the side surface of the jack head part 2-2 are vertically provided with a first opening 2-7 and a second opening 2-8, so that two insertion directions are provided for the inserting sheet 4, and the inserting and pulling of the inserting sheet 4 in two directions of 90 degrees and 180 degrees of the jack base body 2 can be realized by changing the position relation between the reed 3 and the jack base body 2 during riveting. The positional relationship between the spring 3 and the jack base 2 when the male tab 4 is inserted from the first openings 2-7 is shown in fig. 3, and the positional relationship between the spring 3 and the jack base 2 when the male tab 4 is inserted from the second openings 2-8 is shown in fig. 9. The edges of the first openings 2-7 and the second openings 2-8 are provided with convex edges 2-3, the convex edges 2-3 can guide the insertion piece 4 in the insertion process, and the insertion piece 4 is centered after the insertion is completed, so that the insertion piece 4 is prevented from deflecting in the head part 2-2 of the insertion hole, and the insertion piece 4 is ensured to be fully attached to the reed 3.

The manufacturing process of the invention is as follows:

(1) blanking: punching a copper alloy sheet with the thickness of (1.8-3.0) mm into a plane development state of the jack base body 2 shown in fig. 3, and punching a copper alloy sheet with the thickness of (0.2-0.3) mm into a reed 3 structure shown in fig. 4;

(2) riveting: riveting two reeds 3 to the jack base member 2 corresponding position, make reed 3 and jack base member 2 closely laminate together, according to the demand of the 4 insertion directions of inserted sheet after final shaping, can carry out the riveting with reed 3 in two directions, but two reeds 3 are symmetrical arrangement on the single jack, can not have two kinds of states.

(3) Welding: welding the reed 3 and the jack base body 2 together according to the reed welding area shown in figure 3;

(4) molding: the socket base body 2 after welding is bent and molded in the shape shown in fig. 1 to produce a socket body.

(5) When the plugging device is used, the plugging piece 4 is plugged into the head part 2-2 of the jack along the direction of the elastic tongue piece 3-1, the plugging piece 4 is contacted with the elastic tongue piece 3-1, and the elastic tongue piece 3-1 is squeezed to open towards two sides, so that the plugging piece 4 can be plugged smoothly; after the power is switched on, current flows through the jack base body 2 from the cable connecting part 2-1 through the cable, is transmitted to the reed 3 from the binding surface, the welding part and the riveting point of the jack base body 2 and the reed 3, and then is conducted with the inserting piece 4 through the elastic tongue piece 3-1 on the reed 3. After use, the inserting piece 4 is pulled out, and the elastic tongue piece 3-1 is restored to the original shape.

The rectangular punch socket assembly disclosed herein may provide benefits including, but not limited to:

the invention provides a rectangular punched jack component, which is characterized in that reeds are symmetrically arranged, a plurality of contacts are provided, the reeds are reliably connected with a base body through riveting and laser welding, and the current-carrying and vibration-resisting capabilities are strong. The stamping production process is adopted, so that the production efficiency is high, the method is suitable for batch production, and is particularly suitable for the requirements of new energy automobiles on high current, small volume, high performance and low cost of the connector.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A rectangular punched jack component is characterized by comprising reeds and a jack base body, wherein the reeds are symmetrically arranged in the jack base body and fixedly connected with the jack base body through riveting and laser welding; the reed is provided with two groups of elastic tongues which are symmetrically and uniformly distributed and arranged and are used for contacting with the adaptive inserting sheet to conduct current, the elastic tongues are arranged on the reed in parallel, and each elastic tongue is provided with an independent supporting point.

2. The rectangular stamped socket assembly of claim 1, wherein the socket base has a socket head for receiving the spring and a cable connecting portion for connecting the socket to a cable.

3. The rectangular stamped socket assembly of claim 2 wherein said cable connection is provided in the form of a flat plate for ultrasonic welded connection or in a "U" shape configuration for cold pressed connection.

4. The rectangular stamped socket assembly of claim 3, wherein the spring leaves are symmetrically arranged on the inner wall of the socket head and fixedly connected with the socket head through riveting or laser welding.

5. The rectangular stamped socket assembly of claim 4, wherein the socket base has rectangular rivet grooves and rivet pins that snap into one another, such that the socket head forms a right rectangular cavity.

6. The rectangular punched jack assembly of claim 5, wherein the spring plate is punched from a copper alloy plate, the spring plate is provided with four connecting holes for riveting along opposite corners and a welding groove in the middle; one end of the elastic tongue piece is connected with the reed, the other end of the elastic tongue piece is in a cantilever state after being extended, and a convex point is arranged at the top peak of the cantilever and used for increasing the contact points of the reed and the matching insertion piece.

7. The rectangular punched jack assembly of claim 2, wherein a relief space is provided between the end of the resilient tongue piece not connected to the spring plate and the jack base in an initial state, the resilient tongue piece is in a cantilever state in an initial stage of inserting the mating insert piece, and is attached to the jack base along the relief space during the insertion process, and the end of the resilient tongue piece contacts the jack base to support the mating insert piece after the mating insert piece is inserted in place.

8. The rectangular punched jack assembly of claim 7, wherein the top surface and the side surfaces of the head of the jack are vertically provided with a first opening and a second opening to provide two insertion directions for the male tab, and the male tab is inserted and pulled in the two directions of 90 ° and 180 ° of the jack base by changing the positional relationship between the spring plate and the jack base during riveting.