TWM594822U - Power connector - Google Patents

Abstract

A power supply connector includes a housing and two conductive sheets, a slot is formed through the housing, two opposing mounting surfaces are formed in the slot, and the two conductive sheets are respectively installed on the two mounting surfaces Each conductive sheet has a plurality of conductive stripes extending diagonally. The power connector has a simplified structure and assembly steps, which can effectively reduce the manufacturing cost of the power connector. Furthermore, the diagonally extending design of the conductive strips can effectively increase the contact area with the male terminal. The stability of the clamping is improved, the impedance when transmitting current is reduced, and the amount of heat generation is reduced, thereby effectively reducing the temperature rise of the power connector and improving the product reliability of the power connector.

Description

Power connector

The present invention relates to a power connector, especially a power connector for transmitting large current.

The power connector used in the prior art for transmitting large currents, such as the power connector used in the server, is shown in the invention patent of "Electrical Power Connector" No. 5,431,576, which includes a housing 1. A conductive fixture and two contact pieces. A slot is formed between the front end and the rear end of the casing. The conductive clamp is disposed in the slot. The conductive clamp is generally U-shaped and has two side pieces and a connecting section. The front edge of the two side pieces faces the front end of the casing. The connecting section connects the two side pieces. At the rear end side, and correspondingly located at the rear end of the housing, the connecting section is formed with three bent portions. The bent portions allow the two side panels to elastically approach or move away from each other. The two contact pieces are respectively fixed on the inner sides of the two side pieces, wherein each contact piece has a plurality of contact pressure bars, and the contact pressure bars of each contact plate form an arc-shaped protrusion toward the other contact plate. Thereby, when a plate-shaped male terminal is inserted into the slot from the front end of the housing, the contact pressure bar of the contact piece will abut the male terminal.

However, since the contact piece of the above-mentioned power connector of the prior art is installed on the conductive jig, it is necessary to assemble the two contact pieces on the conductive jig before assembling, and then the conductive jig together with the two contact pieces It is inserted into the slot of the housing together, so that the above-mentioned power connector of the prior art not only has complicated components but also has many assembly steps, and there is a problem of high manufacturing cost.

Furthermore, in each of the above-mentioned contact pieces, the extending direction of the connecting lines of the opposite ends of each contact bead is perpendicular to the front and rear edges of the contact piece, that is, the length of each contact bead is taken from the contact The shortest distance between the front end side and the rear end side of the sheet correspondingly makes the contact area of each contact bead and the male terminal also small. For current transmission, the smaller the contact area between each contact bead and the male terminal, the greater the impedance between the two, and the higher the heat generation, so that the above-mentioned power connector of the prior art is likely to heat up, The problem of low product reliability.

In view of the aforementioned problems in the prior art, the purpose of the creation of the present invention is to provide a power connector with a simplified structure and reduced heat generation.

In order to achieve the above-mentioned creative purpose, the technical means adopted by this new model is to make a power connector include: A housing, opposite ends of which are a front end and a rear end respectively; a slot is formed between the front end and the rear end of the housing; two mounting surfaces on opposite sides are formed in the slot; Two conductive sheets, which are respectively installed on the two mounting surfaces in the slot of the housing, each conductive sheet has a main sheet body, a plurality of conductive strips and a front end arm, the main sheet body is arranged on the corresponding On the mounting surface, and located at the rear end of the casing, the main piece has a front side toward the front end of the casing, the conductive strips project forward from the front side of the main piece at intervals, Each conductive strip forms an arc-shaped protrusion away from the corresponding mounting surface, and the extension lines of the opposite ends of each conductive strip intersect the front side of the main body of the conductive strip to form a The first angle and the second angle.

The conductive strips of each conductive sheet are divided into a first set of conductive strips and a second set of conductive strips, the first set of conductive strips are arranged parallel to each other, the second set of conductive strips are also arranged parallel to each other, and the first group The conductive strips and the second set of conductive strips can extend diagonally from the front side of the main body of the conductive sheet toward the front end arm of the conductive sheet in a manner away from or close to each other, each conductive strip and the conductive sheet The first angle formed by the intersection of the front sides of the main sheet body is an acute angle with an angle less than 90 degrees, and the second angle is an obtuse angle with an angle greater than 90 degrees.

The conductive strips of each conductive sheet can also be extended obliquely in parallel to each other.

Each mounting surface of the housing can be recessed to form two positioning grooves, and each of the conductive pieces has two locking protrusions, and the two locking protrusions protrude from the front end arm toward the main piece of the conductive piece And extend into the positioning grooves provided on the corresponding mounting surface to bear against the housing.

Two slots on the opposite sides are formed in the slots of the above-mentioned casing, each of the inner walls can be recessed to form two spaced-apart guide grooves, and each conductive piece has two inner sidewalls respectively facing the casing The two lateral sides respectively protrude into the guide grooves of the aforementioned housing.

Each guide groove of the above casing can penetrate through the rear end of the casing.

The shell has an outer side surface, and a plurality of reinforcing ribs can be provided on the outer surface of the shell.

Each mounting surface of the housing can be further recessed to form a plurality of ventilation grooves. The ventilation grooves are arranged at intervals between the two positioning grooves and penetrate the front end of the housing.

The main piece body of each conductive sheet can have an inner side and at least one anchoring convex portion, the inner side face of the main piece body faces the corresponding mounting surface, and the at least one anchoring convex portion is convexly formed on the main piece body The inner side of the surface, and against the corresponding mounting surface.

The advantage of the power connector of the present invention is that because it directly mounts the conductive sheet on the housing, it has a simplified structure and assembly steps, which can effectively reduce the manufacturing cost of the power connector. Furthermore, the diagonally extending design of the conductive strips can effectively increase the contact area between the conductive strips and a male terminal. In this way, in addition to improving the stability of clamping between the conductive sheet and the male terminal In addition, it can reduce the impedance when transmitting current and reduce the heat generation, thereby effectively reducing the temperature rise of the power connector and improving the product reliability of the power connector.

The technical means adopted by the new model to achieve the intended purpose of creation are further described below in conjunction with the drawings and preferred embodiments of the new model.

Referring to FIGS. 1 and 2, the power connector of the present invention includes a housing 10 and two conductive sheets 20.

Further referring to FIGS. 6 to 9, opposite ends of the housing 10 are a front end 101 and a rear end 102 respectively, and a slot 11 is formed between the front end 101 and the rear end 102 of the housing 10, the Two mounting surfaces 103 located on opposite sides and two inner side walls 104 located on the other opposite sides are formed in the slot 11. Each mounting surface 103 is recessed to form two positioning grooves 12 and a plurality of ventilation grooves 13, the two positioning grooves 12 are adjacent to the front end 101 of the housing 10, and the two positioning grooves 12 are respectively located near the two inner side walls 104 At this point, the vent grooves 13 are arranged between the two positioning grooves 12 at intervals, and each vent groove 13 extends toward the front end 101 of the housing 10 and penetrates the front end 101 of the housing 10. In the specific embodiment of the present invention, each of the positioning grooves 12 also extends toward the front end 101 of the housing 10 and penetrates the front end 101 of the housing 10. Each inner side wall 104 is recessed to form two guide grooves 14 spaced apart.

In addition, referring further to FIG. 3, the housing 10 has an outer side 105, and a plurality of reinforcing ribs 15 are provided on the outer side 105 of the housing 10, and the reinforcing ribs 15 are spaced apart from each other. The opposite ends of 15 respectively extend toward the front end 101 and the rear end 102 of the housing 10, and the reinforcing ribs 15 can improve the structural strength of the housing 10. In a specific embodiment of the present invention, the reinforcing ribs 15 are distributed on opposite sides of the outer surface 105 of the housing 10.

Further referring to FIG. 4, FIG. 5 and FIG. 8, the two conductive sheets 20 are respectively installed on the two mounting surfaces 103 in the slot 11 of the housing 10, each conductive sheet 20 has a main sheet body 21, A plurality of conductive strips 22, 22', a front end arm 23 and two locking protrusions 24.

The main piece body 21 is disposed on the corresponding mounting surface 103 and located at the rear end 102 of the housing 10. The main piece body 21 has an inner side 210, a front side 211, two side sides 212 and at least One anchoring protrusion 213. The inner side surface 210 of the main piece body 21 faces the mounting surface 103 of the casing 10, the front side 211 of the main piece body 21 faces the front end 101 of the casing 10, and both sides of the main piece body 21 212 respectively face the two inner side walls 104 of the housing 10 and protrude into the guide grooves 14 of the housing 10 respectively, thereby mounting the conductive sheet 20 on the corresponding mounting surface 103. In a specific embodiment of the present invention, each guide slot 14 of the aforementioned housing 10 extends toward the front end 101 and the rear end 102 of the housing 10 and penetrates the rear end 102 of the housing 10 to enable the conductive sheet 20 to The rear end 102 of the housing 10 is inserted into the slot 11 in such a manner that the two sides 212 of the main body 21 of the conductive sheet 20 move along the guide groove 14. The at least one anchoring convex portion 213 is convexly formed on the inner side surface 210 of the main sheet body 21 and abuts against the corresponding mounting surface 103, and the at least one anchoring convex portion 213 can help fix the conductive sheet 20 Relative position to the housing 10.

The conductive strips 22, 22' project forward from the front side 211 of the main body 21 at intervals, and each conductive strip 22, 22' forms an arc-shaped convex toward the direction away from the corresponding mounting surface 103 And the extension lines connecting the opposite ends of each conductive strip 22, 22' intersect the front side 211 of the main body 21 of the conductive sheet 20 to form a first included angle θ1 and a second included angle θ2, The sum of the angles of the first included angle θ1 and the second included angle θ2 is 180 degrees, and wherein the first included angle θ1 is an acute angle whose angle is less than 90 degrees, and the second included angle θ2 is an obtuse angle whose angle is greater than 90 degrees.

The front end arm 23 is connected to the conductive strips 22 and 22 ′, and is located at the front end 101 of the housing 10. In other words, the front end arm 23 and the main body 21 are respectively connected to opposite ends of each conductive strip 22, 22'.

Referring to FIGS. 7 and 9, the two locking protrusions 24 protrude from the front end arm 23 in the direction of the main body 21, and the two locking protrusions 24 respectively extend into the corresponding mounting surfaces 103 The positioning groove 12 is provided on the casing 10 to fix the position of the conductive sheet 20 in the slot 11 to prevent the conductive sheet 20 from sliding toward the rear end 102 of the casing 10.

As shown in FIG. 5, the conductive strips 22 and 22 ′ of each conductive sheet 20 are divided into a first set of conductive strips 22 and a second set of conductive strips 22 ′. The first set of conductive strips 22 are arranged parallel to each other, the first The two sets of conductive strips 22' are also arranged parallel to each other. In the first preferred embodiment of the present invention, the first set of conductive strips 22 and the second set of conductive strips 22' are separated from the main body 21 of the conductive sheet 20 The front side 211 extends obliquely toward the front end arm 23 of the conductive sheet 20 so as to approach each other.

Further referring to FIG. 11, in the second preferred embodiment of the present invention, the first set of conductive strips 22A and the second set of conductive strips 22A′ are from the front side 211A of the main body 21A of the conductive sheet 20A The front arm 23A of the conductive sheet 20A extends diagonally away from each other.

Further referring to FIG. 12, in the third preferred embodiment of the present invention, the conductive strips 22B, 22B' of each conductive sheet 20B extend diagonally in parallel to each other.

Since the power connector of the present invention directly mounts the conductive sheet 20 on the housing 10, it has a simplified structure and assembly steps, which can effectively reduce the manufacturing cost of the power connector.

Further, referring to FIG. 5 and FIG. 10, when a plate-shaped male terminal 31 is inserted into the slot 11 from the front end 101 of the housing 10, each of the above conductive pieces 20, 20A, 20B The conductive strips 22, 22', 22A, 22A', 22B, and 22B' will abut the male terminal 31. The design of the protruding portion 24 of the conductive sheet 20 extending into the positioning groove 12 can prevent the conductive sheet 20 from receiving The male terminal 31 is driven to move backward, and the design of the conductive strips 22, 22', 22A, 22A', 22B, 22B' extending diagonally can effectively increase the conductive strips 22, 22', 22A, The contact area between 22A', 22B, 22B' and the male terminal, in addition to improving the stability of the clamping between the conductive sheet 20, 20A, 20B and the male terminal 31, can also reduce the transmission current When the impedance is reduced, the heat is reduced.

Furthermore, the positioning groove 12 and the ventilation groove 13 of the housing 10 can help the air inside and outside the power connector to convection, so that the air outside the power connector can pass through the positioning groove from the front end 101 of the housing 10 12 and the ventilation slot 13 enter the interior of the housing 10 to dissipate the hot gas accumulated in the housing 10, so as to effectively reduce the temperature rise of the power connector, thereby improving the product reliability of the power connector.

The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as the above in the preferred embodiment, it is not intended to limit the present invention. Anything in this technical field has Generally speaking, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention within the scope of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

10: Shell 101: front end 102: backend 103: mounting surface 104: inner side wall 105: outer side 11: Slot 12: positioning groove 13: Ventilator 14: Guide groove 15: Reinforcement 20, 20A, 20B: conductive sheet 21, 21A: main body 210: inner side 211, 211A: front side 212: Beside 213: Anchor convex 22, 22', 22A, 22A', 22B, 22B': conductive strip 23, 23A: front arm 24: locking convex part θ1: first included angle θ2: second included angle 31: Male terminal

FIG. 1 is a top perspective view of the first preferred embodiment of the new model. 2 is a bottom perspective view of the first preferred embodiment of the new model. 3 is an exploded perspective view of the first preferred embodiment of the new model. 4 is an exploded perspective view of the conductive sheet of the first preferred embodiment of the new type. 5 is a front view of the conductive sheet of the first preferred embodiment of the new type. 6 is a side sectional view of the first preferred embodiment of the new model. 7 is another side cross-sectional view of the first preferred embodiment of the new type. 8 is a front cross-sectional view of the first preferred embodiment of the new model. 9 is a perspective cross-sectional view of the first preferred embodiment of the new model. 10 is a side cross-sectional view of the first preferred embodiment of the present invention in use. FIG. 11 is a front view of the conductive sheet of the second preferred embodiment of the new type. 12 is a front view of a conductive sheet of a third preferred embodiment of the new type.

10: Shell

101: front end

102: backend

105: outer side

11: Slot

12: positioning groove

13: Ventilator

15: Reinforcement

20: conductive sheet

21: main body

210: inner side

211: front side

212: Beside

213: Anchor convex

22, 22': conductive strip

23: front arm

24: locking convex part

Claims (10)

A power connector includes a housing and two conductive sheets, wherein: The opposite ends of the casing are respectively a front end and a rear end, a slot is formed between the front end and the rear end of the casing, and two installation surfaces on opposite sides are formed in the slot; The two conductive sheets are respectively installed on two mounting surfaces in the slot of the casing, each conductive sheet has a main sheet body, a plurality of conductive strips and a front end arm, the main sheet body is provided in the corresponding installation The main piece has a front side toward the front end of the casing, and the conductive strips protrude forward from the front side of the main piece at intervals, each A conductive strip forms an arc-shaped protrusion in a direction away from the corresponding mounting surface, and the extension lines of the opposite ends of each conductive strip intersect the front side of the main piece of the conductive strip to form a first An angle and a second angle. The power connector according to claim 1, wherein the conductive strips of each conductive sheet are divided into a first set of conductive strips and a second set of conductive strips, the first set of conductive strips are arranged parallel to each other, and the second set The conductive strips are also arranged parallel to each other, and the first set of conductive strips and the second set of conductive strips extend diagonally from the front side of the main body of the conductive sheet toward the front end arm of the conductive sheet so as to approach each other, The first included angle formed by the intersection of each conductive strip and the front side of the main body of the conductive sheet is an acute angle with an angle less than 90 degrees, and the second included angle is an obtuse angle with an angle greater than 90 degrees. The power connector according to claim 1, wherein the conductive strips of each conductive sheet are divided into a first set of conductive strips and a second set of conductive strips, the first set of conductive strips are arranged parallel to each other, and the second set The conductive strips are also arranged parallel to each other, and the first set of conductive strips and the second set of conductive strips extend diagonally away from each other from the front side of the main body of the conductive sheet toward the front end arm of the conductive sheet, The first included angle formed by the intersection of each conductive strip and the front side of the main body of the conductive sheet is an acute angle with an angle less than 90 degrees, and the second included angle is an obtuse angle with an angle greater than 90 degrees. The power connector according to claim 1, wherein the conductive strips of each conductive strip extend diagonally in parallel to each other, and each conductive strip intersects the front side of the main strip of the conductive strip The first included angle is an acute angle with an angle less than 90 degrees, and the second included angle is an obtuse angle with an angle greater than 90 degrees. The power connector according to any one of claims 1 to 4, wherein: each mounting surface of the housing is recessed to form two positioning grooves; each conductive piece has two locking protrusions, and the two locking The convex portions protrude from the front end arm toward the main piece of the conductive sheet, and respectively extend into positioning grooves provided on the corresponding mounting surface to abut against the housing. The power connector according to any one of claims 1 to 4, wherein: the inner slot of the housing is formed with two inner side walls on opposite sides, and each inner side wall is recessed to form two spaced apart Each conductive piece has two lateral sides respectively facing the two inner side walls of the casing, and the two lateral sides respectively protrude into the guiding grooves of the aforementioned casing. The power connector according to claim 6, wherein each guide slot of the housing penetrates the rear end of the housing. The power connector according to any one of claims 1 to 4, wherein the housing has an outer side surface, and the outer surface of the housing is provided with a plurality of spaced-apart reinforcing ribs. The power connector according to claim 5, wherein each mounting surface of the housing is further recessed to form a plurality of vent grooves, the vent grooves are arranged at intervals between the two positioning grooves, and penetrate The front end of the housing. The power connector according to claim 1, wherein the main body of each conductive sheet has an inner side and at least one anchoring protrusion, and the inner side of the main body faces the corresponding mounting surface, the at least one The anchoring protrusion is formed on the inner side surface of the main piece and abuts against the corresponding mounting surface.

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