CN110739566A

CN110739566A - high-current connector structure capable of preventing terminal from withdrawing PIN

Info

Publication number: CN110739566A
Application number: CN201810807321.0A
Authority: CN
Inventors: 张乃文
Original assignee: Binfu Electronics (shenzhen) Co Ltd
Current assignee: Binfu Electronics (shenzhen) Co Ltd
Priority date: 2018-07-21
Filing date: 2018-07-21
Publication date: 2020-01-31

Abstract

The invention discloses high-current connector structures capable of preventing terminals from withdrawing PIN, which comprise a connector main body and a rear main body, wherein the rear main body is arranged on the rear side of the upper end of the connector main body, air holes are fixedly arranged at the upper end of the rear main body, assembling holes are fixedly arranged at the left end and the right end of the rear main body, combined power terminals are slidably arranged in the upper terminal groove and the lower terminal groove, an insulating table is fixedly arranged between the combined power terminals, a pressing strip mounting groove is fixedly arranged at the middle position in the insulating table, a plastic pressing strip is fixedly arranged in the pressing strip mounting groove, the combined power terminals can be effectively fastened and mounted through the interaction of the plastic pressing strip and a pressing groove in the combined power terminals, the PIN withdrawing effect of the terminals is more ideal, the poor phenomenon of withdrawing failure prevention cannot occur during assembly production, and the phenomenon of connector function failure caused by withdrawing PIN does not occur.

Description

high-current connector structure capable of preventing terminal from withdrawing PIN

Technical Field

The invention belongs to the technical field related to connecting devices applied to electronic products such as servers and high-current equipment, and particularly relates to high-current connector structures capable of preventing terminals from being withdrawn from PIN.

Background

In the power supply PIN of the connecting device applied to electronic products such as servers and large-current equipment in the existing market, each SET is of a split structure and is used for preventing the terminal from withdrawing the PIN under the action of a plastic reverse buckle and a terminal buckling point, and because the riveting pressure ratio is higher during assembly, the two PCS terminals share plastic reverse buckles, the plastic reverse buckle strength is not enough, and the PCS terminals are easy to break after riveting, so that a mechanism for preventing the terminal from withdrawing the PIN is ineffective.

The existing PIN high-current connector structure has the following problems that each SET in a power PIN of the existing PIN high-current connector structure is of a split structure, the PIN of a terminal can be prevented from being withdrawn only through interaction between a plastic reverse buckle and a terminal buckle point during installation, so that plastic reverse buckles can be shared by two PCS terminals, riveting is needed for assembly between the plastic reverse buckle and the terminal buckle point, the plastic reverse buckle is not broken enough in strength after riveting, a mechanism for preventing the PIN of the terminal from being withdrawn fails, the reject ratio of products during production and assembly is increased after the connector terminal withdrawal mechanism fails, and the connector fails in function and cannot be used if the terminal is withdrawn during use, so that economic loss and inconvenience are caused to a user.

Disclosure of Invention

The invention aims to provide high-current connector structures capable of preventing terminals from withdrawing PIN so as to solve the problem of failure of a terminal PIN withdrawing prevention mechanism in the background technology.

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

can prevent that terminal from moving back heavy current connector structure of PIN, including connector main part and back main part, connector main part upper end rear side is provided with back main part, back main part upper end has the bleeder vent through fixed mounting, there is the pilot hole at both ends through fixed mounting about the back main part, connector main part rear end intermediate position department has back draw-in groove through fixed mounting, back main part the place ahead is provided with preceding main part, both ends have the mounting hole through fixed mounting about preceding main part, the inside power terminal storehouse that is provided with in preceding main part left end, the inside fixed mounting that passes through in power terminal storehouse has the upper terminal groove, upper terminal groove lower extreme passes through fixed mounting has lower terminal groove, there is amalgamation formula power terminal groove and lower terminal inslot portion through slidable mounting, there is the insulating stage through fixed mounting between the formula power terminal of amalgamation formula, there is the layering mounting groove through fixed mounting in the inside intermediate position department of insulating stage, there is the plastics layering through fixed mounting inside the fixed mounting through the layering of layering mounting groove, there is the signal terminal storehouse on the power terminal right side through fixed mounting, the inside.

Preferably, the signal terminal comprises a signal end main body, a signal end plug, a signal end transmission body and a signal end transmission head, the signal end main body top end is fixedly provided with the signal end plug, the signal end main body lower end is fixedly provided with the signal end transmission body, and the signal end transmission head is fixedly arranged at the front end of the signal end transmission body.

Preferably, the combined power terminal comprises a power terminal main body, a power terminal connector, an upper clamping leg, a power terminal plug, a lower clamping leg and a pressure groove, wherein the power terminal connector is fixedly arranged at the rear end of the power terminal main body, the upper clamping leg is fixedly arranged at the upper end of the power terminal main body, the power terminal plug is fixedly arranged at the upper end of the upper clamping leg, the lower clamping leg is fixedly arranged at the lower end of the power terminal main body, and the pressure groove is arranged between the lower clamping.

Preferably, the plastic pressing strip comprises a pressing strip body, a pressing head and a fastening bulge, the pressing head is fixedly mounted at the rear end of the pressing strip body, and the fastening bulge is welded at the left end and the right end of the pressing strip body.

Preferably, two groups of power supply terminals are arranged in the combined power supply terminal, the two groups of power supply terminals have the same size and specification, six combined parallel power supply terminals are arranged in the power supply terminal bin, and the combined power supply terminals are fixedly arranged in the power supply terminal bin in a horizontal equidistant mode.

Preferably, four rows of signal terminals are installed in the signal terminal bin, and the signal terminals are the same in size and specification, and are vertically and uniformly installed in the signal terminal bin through the signal grooves.

Preferably, the power supply terminal plugs are provided with eight power supply terminal plugs which are the same in size and specification, and the power supply terminal plugs are uniformly and symmetrically arranged on the left side and the right side of the upper clamping leg.

Preferably, the fastening bulges are provided with two fastening bulges which are symmetrically arranged at the left end and the right end of the pressing strip body, and the fastening bulges are made of rubber.

Compared with the prior art, the invention provides high-current connector structures capable of preventing terminals from withdrawing PIN, which have the following beneficial effects:

the combined power supply terminal is provided with the combined power supply terminal which comprises a power supply terminal main body, a power supply terminal connecting body, an upper clamping leg, a power supply terminal plug, a lower clamping leg and a pressing groove, and the plastic pressing strip which comprises a pressing strip body, a pressing head and a fastening bulge is arranged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification , illustrate the invention and not limit the invention by way of example , and in which:

fig. 1 is a structural schematic diagram of high-current connectors capable of preventing terminals from PIN withdrawal;

fig. 2 is a schematic structural diagram of a signal terminal according to the present invention;

FIG. 3 is a schematic diagram of a merged power terminal according to the present invention;

FIG. 4 is a schematic view of a plastic molding strip according to the present invention;

in the figure: 1. a connector body; 2. a rear body; 3. air holes are formed; 4. an assembly hole; 5. a rear clamping groove; 6. a front body; 7. mounting holes; 8. an upper terminal groove; 9. a lower terminal groove; 10. an insulating stage; 11. a merged power supply terminal; 111. a power terminal main body; 112. a power terminal connector; 113. the legs are clamped; 114. a power terminal plug; 115. lower clamping legs; 116. pressing a groove; 12. a batten mounting groove; 13. plastic layering; 131. pressing the strip body; 132. a compression head; 133. a fastening projection; 14. a signal slot; 15. a signal terminal; 16. a power terminal bin; 17. a signal terminal compartment; 18. a signal terminal main body; 19. a signal terminal plug; 20. a signal terminal transmission body; 21. and a signal end transmission head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", " end", "another end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," and the like, shall be understood , for example, "connected," which may be a fixed connection, a detachable connection, or a type connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements.

Referring to fig. 1-4, the present invention provides technical solutions:

high-current connector structure capable of preventing a terminal from withdrawing PIN, comprising a connector main body 1 and a rear main body 2, the rear side of the upper end of the connector main body 1 is provided with the rear main body 2, the upper end of the rear main body 2 is fixedly provided with an air vent 3, the left end and the right end of the rear main body 2 are fixedly provided with an assembly hole 4, the middle position of the rear end of the connector main body 1 is fixedly provided with a rear clamping groove 5, the front part of the rear main body 2 is provided with a front main body 6, the left end and the right end of the front main body 6 are fixedly provided with mounting holes 7, the left end of the front main body 6 is internally provided with a power supply terminal bin 16, the inside of the power supply terminal bin 16 is fixedly provided with a lower terminal slot 9, the inside of the upper terminal slot 8 and the lower terminal slot 9 is provided with a combined power supply terminal 11 through sliding mounting, an insulating table 10 is fixedly mounted between the combined power supply terminals 11, the middle position of the inside of the insulating table 10 is fixedly provided with a pressing strip mounting slot 12, the inside of the pressing strip mounting slot 12 is fixedly provided with a plastic.

In order to perform better signal transmission, in the present invention, the preferred signal terminal 15 includes a signal terminal main body 18, a signal terminal plug 19, a signal terminal transmission body 20 and a signal terminal transmission head 21, the signal terminal plug 19 is fixedly installed at the top end of the signal terminal main body 18, the signal terminal transmission body 20 is fixedly installed at the lower end of the signal terminal main body 18, and the signal terminal transmission head 21 is fixedly installed at the front end of the signal terminal transmission body 20.

In order to better prevent the PIN from being withdrawn from the power terminal, in the present invention, the preferred combined power terminal 11 includes a power terminal main body 111, a power terminal connector 112, an upper clip leg 113, a power terminal plug 114, a lower clip leg 115 and a press groove 116, wherein the power terminal connector 112 is fixedly mounted at the rear end of the power terminal main body 111, the upper clip leg 113 is fixedly mounted at the upper end of the power terminal main body 111, the power terminal plug 114 is fixedly mounted at the upper end of the upper clip leg 113, the lower clip leg 115 is fixedly mounted at the lower end of the power terminal main body 111, and the press groove 116 is arranged between the lower clip leg 115 and the upper.

In order to fasten and mount the power terminal better, in the present invention, the preferable plastic pressing bar 13 includes a pressing bar body 131, a pressing head 132 and fastening protrusions 133, the pressing head 132 is fixedly mounted at the rear end of the pressing bar body 131, and the fastening protrusions 133 are welded to the left and right ends of the pressing bar body 131.

In order to more ideally prevent the PIN withdrawal mechanism from failing, in the present invention, two sets of power terminals are preferably arranged in the combined power terminal 11 and have the same size and specification, six combined parallel power terminals 11 are arranged in the power terminal compartment 16, and the combined power terminals 11 are fixedly arranged in the power terminal compartment 16 in a horizontal and equidistant manner.

In order to transmit signals more quickly and efficiently, in the invention, four rows of signal terminals 15 are preferably arranged in the signal terminal bin 17, and the signal terminals 15 have the same size and specification, and are vertically and uniformly arranged in the signal terminal bin 17 through the signal slots 14.

In order to more conveniently and stably transmit large current, in the present invention, it is preferable that eight power terminal plugs 114 are provided, and the power terminal plugs 114 have the same size, and are uniformly and symmetrically installed on the left and right sides of the upper clamping leg 113.

In order to more reliably fasten the power terminal, in the present invention, it is preferable that two fastening protrusions 133 are installed, the fastening protrusions 133 are symmetrically installed at both left and right ends of the bar-pressing body 131, and the fastening protrusions 133 are made of rubber.

The working principle and the using process of the invention are as follows:

the working principle of the invention is that two groups of power terminals are combined into combined parallel power terminals 11, then the six combined parallel power terminals 11 are installed in an upper terminal groove 8 and a lower terminal groove 9, and plastic pressing strips 13 are installed outside the combined power terminals 11 to tightly press and fasten the combined power terminals, so that the phenomenon that the power terminals withdraw PIN can not occur during large-current transmission, and the stability and reliability of transmission are ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

The utility model provides a can prevent that terminal from moving back heavy current connector structure of PIN, including connector main part (1) and back main part (2), its characterized in that connector main part (1) upper end rear side is provided with back main part (2), there is bleeder vent (3) back main part (2) upper end through fixed mounting, there is pilot hole (4) both ends about back main part (2) through fixed mounting, there is back draw-in groove (5) through fixed mounting connector main part (1) rear end intermediate position department, back main part (2) the place ahead is provided with preceding main part (6), there is mounting hole (7) through fixed mounting at both ends about preceding main part (6), preceding main part (6) left end inside is provided with power supply terminal storehouse (16), power supply terminal storehouse (16) inside has upper terminal groove (8) through fixed mounting, upper terminal groove (8) lower extreme has lower extreme sub-groove (9) through fixed mounting, there is layering formula (11) inside through sliding mounting through layering (10) in upper terminal groove (8) and lower extreme sub-groove (9), there is layering formula terminal (11) through fixed mounting groove (10), the signal terminal (17) is provided with layering signal terminal (17) in the fixed mounting groove (14), the fixed mounting groove (14) in the signal terminal storehouse (17), the fixed mounting groove (14) is provided with the signal terminal storehouse (17).
2. The high-current connector structure capable of preventing PIN withdrawal is characterized in that the signal terminal (15) comprises a signal terminal main body (18), a signal terminal plug (19), a signal terminal transmission body (20) and a signal terminal transmission head (21), the signal terminal plug (19) is fixedly mounted at the top end of the signal terminal main body (18), the signal terminal transmission body (20) is fixedly mounted at the lower end of the signal terminal main body (18), and the signal terminal transmission head (21) is fixedly mounted at the front end of the signal terminal transmission body (20).
3. The high-current connector structure capable of preventing PIN withdrawal according to claim 1, wherein the combined power terminal (11) comprises a power terminal main body (111), a power terminal connector (112), an upper clamping leg (113), a power terminal plug (114), a lower clamping leg (115) and a press groove (116), the power terminal connector (112) is fixedly mounted at the rear end of the power terminal main body (111), the upper clamping leg (113) is fixedly mounted at the upper end of the power terminal main body (111), the power terminal plug (114) is fixedly mounted at the upper end of the upper clamping leg (113), the lower clamping leg (115) is fixedly mounted at the lower end of the power terminal main body (111), and the press groove (116) is arranged between the lower clamping leg (115) and the upper clamping leg (113).
4. The high-current connector structure capable of preventing PIN withdrawal of terminals as claimed in claim 1, wherein the plastic compression bar (13) comprises a compression bar body (131), a compression head (132) and a fastening protrusion (133), the compression head (132) is fixedly mounted at the rear end of the compression bar body (131), and the fastening protrusion (133) is welded at the left end and the right end of the compression bar body (131).
5. The high-current connector structure capable of preventing PIN withdrawal according to claim 1, wherein two groups of power terminals are disposed in the combined power terminal (11) and have the same size and specification, six combined parallel power terminals (11) are mounted in the power terminal compartment (16), and the combined power terminals (11) are horizontally and equidistantly mounted inside the power terminal compartment (16).
6. high-current connector structure capable of preventing terminals from PIN withdrawal according to claim 1, wherein four rows of signal terminals (15) are mounted in the signal terminal chamber (17) and have the same size and specification, and the signal terminals (15) are vertically and uniformly mounted in the signal terminal chamber (17) through the signal slots (14).
7. high-current connector structure capable of preventing PIN withdrawal according to claim 3, wherein the power terminal plugs (114) are provided with eight and have the same size, and the power terminal plugs (114) are uniformly and symmetrically mounted on the left and right sides of the upper clamping leg (113).
8. The high-current connector structure capable of preventing PIN withdrawal of terminals as claimed in claim 4, wherein two fastening protrusions (133) are installed on the fastening protrusions (133), the fastening protrusions (133) are symmetrically installed on the left end and the right end of the bar pressing body (131), and the fastening protrusions (133) are made of rubber.