CN212062753U

CN212062753U - Power supply connector

Info

Publication number: CN212062753U
Application number: CN202021196693.3U
Authority: CN
Inventors: 崔涛; 陆友锋
Original assignee: Rosenberger Shanghai Technology Co Ltd
Current assignee: Rosenberger Shanghai Technology Co Ltd; Rosenberger Shanghai Communication Technology Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-01
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a power supply connector, it includes the head, a pedestal, many cables, wiring terminal module and shell, the shell lid fits the base, the base includes grafting portion and bearing portion, the binding post module is installed in bearing portion, the binding post module is located between shell and the bearing portion, many cables are installed in grafting portion and are extended into bearing portion, bearing portion supplies the external power cord to insert, many cables and external power cord are connected to the binding post module electricity, grafting portion pegs graft in the head, be equipped with the conductive pin in the head, the one end and the conductive pin electricity of cable are connected, the other end and the binding post module electricity of cable are connected. The utility model discloses a power connector adopts the cable to carry out the transmission of signal, can show improvement signal transmission's stability, still has advantages such as small, the assembly is simple.

Description

Power supply connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to a power connector is related to.

Background

The power connector in the prior art can only be matched with a two-hole or three-hole power interface for use, and cannot supply power to some small communication equipment with an RJ45 interface. Among the power connectors capable of being used as small-sized communication equipment with an RJ45 interface, some power connectors are covered by all-metal shells, so that the power connectors are large in size, complex in assembly process, heavy in weight and high in price, and cannot meet the requirement of high-density layout. The wire pressing screw of the existing power connector is easy to fall off in the wire pressing process. In addition, some power connectors use bent positive and negative plates to transmit signals, and a customized crystal head is required, for example, in a power connector disclosed in chinese patent CN207743416U, the bent positive and negative plates are used to transmit signals.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a power connector that occupation space is little, signal transmission is stable, the assembly is simple, the cost is lower.

In order to achieve the above object, the utility model provides a following technical scheme: a power connector comprises a head, a base, a plurality of cables, a wiring terminal module and a shell, wherein the shell covers the base, the base comprises a plugging portion and a bearing portion, the wiring terminal module is installed on the bearing portion, the wiring terminal module is located between the shell and the bearing portion, the cables are installed on the plugging portion and extend into the bearing portion, the bearing portion is used for inserting an external power line, the wiring terminal module is electrically connected with the cables and the external power line, the plugging portion is plugged in the head, a conductive pin is arranged in the head, one end of each cable is electrically connected with the conductive pin, and the other end of each cable is electrically connected with the wiring terminal module.

Preferably, the insertion part is provided with a first clamping part, the head part is provided with a second clamping part, and the first clamping part is matched with the second clamping part.

Preferably, both sides of the supporting portion are provided with at least one third clamping portion, and a fourth clamping portion matched with the third clamping portion is arranged in the shell.

Preferably, the inserting part is provided with a cable installation part, the cable installation part comprises a plurality of guide grooves, and a plurality of cables are correspondingly installed in the plurality of guide grooves.

Preferably, the support portion includes a first body portion and a second body portion that are connected to each other, the first body portion is provided with at least one accommodating groove, the terminal module is mounted in the accommodating groove, the second body portion is provided with at least one bending-prevention guide groove, and the bending-prevention guide groove is communicated with the accommodating groove.

Preferably, the bearing part comprises two adjacent accommodating grooves, and a separation plate is arranged between the two adjacent accommodating grooves.

Preferably, both sides of the supporting part are provided with first guide parts, the first guide parts on both sides of the supporting part are asymmetrically arranged, and the shell is internally provided with second guide parts matched with the first guide parts.

Preferably, the binding post module includes conductor body, first retaining member and the second retaining member that is equipped with the through-hole, first retaining member movably install in the conductor body and stretch into in the through-hole, the second retaining member movably install in the conductor body and stretch into in the through-hole.

Preferably, the housing is provided with a guide anti-dropping hole, and the second locking member is at least partially accommodated in the guide anti-dropping hole.

Preferably, a resisting part is arranged in the shell and is abutted against the rear end part of the head part.

The utility model has the advantages that:

(1) replace just, negative pole piece through the cable, can realize the high-efficient transmission of signal to adopt the retaining member to compress tightly fixedly cable and external power source line, avoid external power source line pine to take off under external force, improve signal transmission's stability.

(2) The power connector is also provided with the guide anti-falling hole, so that the locking piece can be prevented from falling and losing in the wiring process of the power connector.

(3) The electric connector has a simple structure, adopts the standard crystal head as a raw material, does not need to adopt an injection molding process, and reduces the production cost.

(4) The assembly is convenient and fast, the volume is small, and the installation space is fully saved.

Drawings

Fig. 1 is a perspective view of a power connector of the present invention;

FIG. 2 is a schematic cross-sectional view of the power connector of FIG. 1 taken along A-A;

FIG. 3 is a schematic perspective view of the base of FIG. 1;

FIG. 4 is a perspective view of the base of FIG. 3 from another perspective;

figure 5 is a schematic perspective view of the terminal module of figure 1;

fig. 6 is an assembled schematic view of the base and terminal block of fig. 1;

fig. 7 is a perspective view of the housing of fig. 1.

Reference numerals: 10. the connector comprises a head part, 11, a metal conductive pin, 12, a second clamping part, 13, a rear end part, 14, a buckle, 20, a base, 21, an insertion part, 211, a cable installation part, 211a, a guide groove, 211b, a through groove, 212, a first clamping part, 22, a bearing part, 22a, a first body part, 22b, a second body part, 221, a containing groove, 221a, a partition plate, 221b, a reinforcing rib, 222, a bending-proof guide groove, 223, a third clamping part, 224, a first guide part, 30, a wiring terminal module, 31, a conductor body, 311, a through hole, 32, a first locking part, 33, a second locking part, 40, a shell, 41, a fourth clamping part, 42, a second guide part, 43, a resisting part, 44, an elastic pressing sheet, 45 and a guide hole.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1, 2 and 3, the power connector disclosed in the present invention includes a head 10, a base 20, a plurality of cables (not shown), a terminal module 30 and a housing 40, wherein the base 20 extends along a first direction X and includes a plug portion 21 and a support portion 22, the plug portion 21 is located at a front end of the support portion 22, and the plug portion 21 is plugged into the head 10. The front end of the plug-in part 21 is provided with a cable installation part 211 for installing a plurality of cables, and the rear end of the plug-in part 21 is connected with the bearing part 22; the support portion 22 is provided with a receiving groove 221 for receiving the terminal module 30. One ends of a plurality of cables are arranged on the cable installation part 211 and are electrically connected with the metal conductive pins 11 in the head part 10; the other ends of the cables extend into the receiving groove 221 and are electrically connected to the terminal module 30 located in the receiving groove 221. The housing 40 covers the support portion 22 to protect the terminal module 30 in the receiving groove 221.

In this embodiment, the head 10 is a standard RJ45 crystal head, and the standard crystal head is adopted, so that the injection molding process can be avoided, and the production cost can be effectively reduced. In addition, in this embodiment, eight cables are used, and of course, in other embodiments, the number and the type of the cables may be set according to actual requirements. Power connector adopt the cable to carry out the transmission of signal, power connector among the prior art adopts just, the negative pole piece compares, can show improvement signal transmission efficiency.

As shown in fig. 2 and fig. 4, the inserting portion 21 has a first engaging portion 212, the head portion 10 has a second engaging portion 12, and the first engaging portion 212 is engaged with the second engaging portion 12 to fix the inserting portion 21 of the base 20 in the head portion 10. In this embodiment, the first fastening portion 212 is a hook, and the second fastening portion 12 is a slot matching with the hook; in other embodiments, the first fastening portion 212 can also be configured as a fastening slot, and the second fastening portion 12 can be configured as a fastening hook matched with the fastening slot, which can be selected according to actual requirements.

As shown in fig. 3, the cable attachment portion 211 includes an attachment space that is formed by an upper wall, a lower wall, and two side walls and penetrates in the first direction X. The upper wall is provided with eight guide grooves 211a formed by sinking from the inner wall surface of the upper wall to the third direction Z, and the eight guide grooves 211a extend along the first direction X and are uniformly arranged in the second direction Y vertical to the first direction X; the lower wall is provided with eight through grooves 211b penetrating along the third direction Z, and the eight through grooves 211b extend along the first direction X and are uniformly arranged in a second direction Y perpendicular to the first direction X; the eight through grooves 211b are communicated with the installation space, and the eight through grooves 211b and the eight guide grooves 211a are arranged in one-to-one correspondence along the third direction Z. The guide grooves 211a are used for inserting cables, and each guide groove 211a can be correspondingly inserted with one cable; a part of the cable is positioned in the guide recess 211a of the upper wall and the other part is positioned in the installation space. After the plugging part 21 of the base 20 is plugged with the head 10 in place, an external tool is used to push the metal conductive pin 11 in the head 10 towards the cable direction, and the metal conductive pin 11 passes through the through groove 211b to easily puncture the outer sheath of the corresponding cable, so as to be electrically connected with the conductor of the cable, thereby realizing the transmission of signals. In this embodiment, the cable installation portion 211 is uniformly provided with eight guide grooves 211a along the second direction Y, and one cable is inserted into each guide groove 211 a. The installation of the cables is carried out by arranging the guide groove 211a, so that a plurality of cables can be arranged in order, and the cable sequence is clear at a glance.

As shown in fig. 2 and 3, the supporting portion 22 includes a first main body 22a and a second main body 22b connected along the first direction X, the second main body 22b is connected to a rear end of the first main body 22a, and the inserting portion 21 is connected to a front end of the first main body 22 a. The accommodating grooves 221 are disposed on the first body portion 22a, specifically, the first body portion 22a is provided with two accommodating grooves 221, the two accommodating grooves 221 are disposed adjacent to each other along the second direction Y, an isolating plate 221a is disposed between the two accommodating grooves 221, the isolating plate 221a extends along the first direction X, and by disposing the isolating plate 221a, physical contact between cables in the two adjacent accommodating grooves 221 or short circuit breakdown at a certain voltage can be prevented. The second body portion 22b is provided with two bending-prevention guide grooves 222 penetrating along the first direction X, and the two bending-prevention guide grooves 222 are respectively arranged to penetrate through the two accommodating grooves 221. In practice, the external power line passes through the bending-prevention guide groove 222 and is inserted into the corresponding receiving groove 221, so as to be electrically connected to the terminal module 30 in the receiving groove 221. By providing the anti-bending guide slot 222, the power signal interruption caused by excessive bending of the external power line can be avoided.

Referring to fig. 3, in the present embodiment, each receiving groove 221 is provided with one wiring terminal module 30. The opposite two side walls of the accommodating groove 221 along the second direction Y are both provided with reinforcing ribs 221b, the reinforcing ribs 221b are in interference fit with the wiring terminal module 30, the assembly firmness of the wiring terminal module 30 is improved, and further the strength of the whole power connector is enhanced. In other embodiments, the reinforcing rib 221b may be disposed on one of the sidewalls of the accommodating groove 221, and may be selected according to actual requirements.

As shown in fig. 3 and 7, the housing 40 and the supporting portion 22 are connected by a snap structure. Specifically, two third engaging portions 223 are respectively disposed on two sides of the supporting portion 22, and a fourth engaging portion 41 is disposed in the housing 40 and is matched with the third engaging portions 223. In practice, the housing 40 is fixed by the third clamping portion 223 and the fourth clamping portion 41. In this embodiment, the third clamping portion 223 is a clamping protrusion, and the fourth clamping portion 41 is a clamping groove matched with the clamping protrusion, and of course, in other embodiments, the types of the third clamping portion 223 and the fourth clamping portion 41 can be set according to actual requirements. Due to the adoption of the buckle structure design, the shell 40 and the bearing part 22 can be easily assembled or disassembled, the assembly is simple and convenient, and the assembly or disassembly efficiency is effectively improved.

The two sides of the supporting portion 22 are provided with first guiding portions 224, and the two inner side walls of the housing 40 are provided with second guiding portions 42 which are matched with the first guiding portions 224 to realize guiding, so that in implementation, the housing 40 is accurately assembled on the base 20 under the matching of the first guiding portions 224 and the second guiding portions 42. In this embodiment, the first guiding portion 224 is a guiding protrusion, and the second guiding portion 42 is a guiding groove matching with the guiding protrusion. In other embodiments, the first guiding portion 224 can also be configured as a guiding groove, and the second guiding portion 42 can be configured as a guiding protrusion matching with the guiding groove, which can be selected according to practical requirements. In this embodiment, the two first guiding portions 224 are disposed asymmetrically, but in other embodiments, the two first guiding portions 224 may also be designed symmetrically, and may be selected according to actual requirements. By adopting the asymmetric design of the two first guide portions 224, the misoperation generated in the assembly process can be effectively prevented.

As shown in fig. 2 and 7, a stopper 43 that abuts against the rear end 13 of the head 10 is further provided in the housing 40. In implementation, after the housing 40 is assembled to the support portion 22 through the matching of the first guide portion 224 and the second guide portion 42, the resisting portion 43 is contacted with the rear end portion 13 of the head portion 10, and when the base 20 is subjected to an upward force, the resisting portion 43 limits the support portion 22 of the base 20 from tilting upward, so as to avoid deformation of the power connector, and increase the strength of the whole power connector.

Further, the housing 40 is provided with an elastic pressing piece 44 extending toward the head 10, and a free end of the elastic pressing piece 44 is located above a free end of the catch 14 of the head 10 after the housing 40 is assembled in place. When unblock head 10, through pressing down elastic pressing piece 44 in order to realize pressing of buckle 14, the unblock of head 10 of being convenient for, especially when head 10 gets into equipment fixing panel deeply, artifical inconvenient unblock of stretching into, at this moment, can easily realize the unblock of head 10 through elastic pressing piece 44.

As shown in fig. 5, each terminal module 30 includes a conductor body 31, a first locking member 32 and a second locking member 33, wherein the conductor body 31 has a through hole 311 extending along a first direction X, and the first locking member 32 is movably mounted on the conductor body 31 along a third direction Z and extends into the through hole 311 for compressing a cable inserted into the through hole 311, and the cable is fixed in the through hole 311 after being compressed; the second locking member 33 is also movably mounted to the conductor body 31 along the third direction Z and extends into the through hole 311 for pressing the external power line inserted into the through hole 311, so that the external power line is fixed in the through hole 311 after being pressed. In practice, one end of the cable is installed in the cable installation part 211, and the other end of the cable is inserted into the through hole 311 and fixed in the through hole 311 through the first locking piece 32; one end of the external power cord is inserted into the through-hole 311 through the bending-prevention guide groove 222 and fixed in the through-hole 311 by the second locker 33. Because the conductor body 31 has a conductive function, the cable can be electrically connected with an external power line, and signal transmission can be realized. In this embodiment, the first locking member 32 and the second locking member 33 are preferably crimping screws. The external power line is fixed in the through hole 311 through the second locking member 33, so that the external power line can bear an external force of about 120N without loosening, the stability of the power connector is improved, and further, signals are stably transmitted.

As shown in fig. 1, 2 and 7, the housing 40 further has a guiding anti-disengaging hole 45 corresponding to the second locking member 33, and the guiding anti-disengaging hole 45 is convenient for a user to operate the second locking member 33 and can prevent the second locking member 33 from being disengaged during a wiring process. In practice, after inserting the external power cord into the through hole 311, the user inserts the external power cord into the guiding anti-falling hole 45 by using a corresponding tool, so as to operate the second locking member 33, and the external power cord is pressed and fixed by the second locking member 33.

In this embodiment, the assembly of the power connector will be described in detail by taking the two terminal modules 30 as an example: firstly, a plurality of cables correspondingly penetrate through the guide grooves 211a of the cable installation part 211 of the insertion part 21 of the base 20 to be arranged in sequence, the cables are divided into two strands after being arranged, the two strands are respectively fixed on the two wiring terminal modules 30, the two wiring terminal modules 30 are further assembled in the accommodating groove 221 of the supporting part 22 of the base 20, after the two wiring terminal modules are assembled in place, the cables are cut, and the cables exposed out of the front end of the insertion part 21 are trimmed to form a semi-finished product, as shown in fig. 6; in the assembling process, all visual operations are simple and convenient, and the quality of semi-finished products is ensured. After the semi-finished product is assembled, the inserting part 21 of the base 20 is inserted into the head 10, after the semi-finished product is inserted in place, the metal conductive needle 11 in the head 10 is pushed towards the direction of the cable by an external tool, the metal conductive needle 11 penetrates through the through groove 211b, the outer sheath of the corresponding cable is easily punctured, and then is electrically connected with the conductor of the cable, and finally the shell 40 is covered on the supporting part 22 of the base 20 to form a final finished product, as shown in fig. 1.

Power connector, small, the assembly is simple, it replaces just, the negative pole piece through the cable, can realize stable, the reliable transmission of signal to adopt the retaining member to compress tightly fixedly cable and external power source line, avoid external power source line pine to take off under external force, improve signal transmission's stability. In addition, power connector still prevents the retaining member at the wiring in-process loss that drops through setting up direction anticreep hole to for on-the-spot wiring provides accurate direction.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims

1. A power connector is characterized by comprising a head, a base, a plurality of cables, a wiring terminal module and a shell, wherein the shell covers the base, the base comprises an inserting part and a bearing part, the wiring terminal module is installed on the bearing part and is located between the shell and the bearing part, the cables are installed on the inserting part and extend into the bearing part, the bearing part is used for inserting an external power line, the wiring terminal module is electrically connected with the cables and the external power line, the inserting part is inserted into the head, a conductive pin is arranged in the head, one end of each cable is electrically connected with the conductive pin, and the other end of each cable is electrically connected with the wiring terminal module.

2. The power connector as claimed in claim 1, wherein the insertion part has a first engaging portion, and the head has a second engaging portion, the first engaging portion engaging with the second engaging portion.

3. The power connector as claimed in claim 1, wherein at least one third engaging portion is disposed on each of two sides of the supporting portion, and a fourth engaging portion is disposed in the housing and is engaged with the third engaging portion.

4. The electrical power connector as claimed in claim 1, wherein the insertion part is provided with a cable mounting part, the cable mounting part comprises a plurality of guiding grooves, and a plurality of cables are correspondingly mounted in the plurality of guiding grooves.

5. The electrical connector as claimed in claim 1, wherein the support portion comprises a first body portion and a second body portion, the first body portion has at least one receiving slot, the terminal module is mounted in the receiving slot, the second body portion has at least one anti-bending guiding slot, and the anti-bending guiding slot is communicated with the receiving slot.

6. The electrical connector as claimed in claim 5, wherein the supporting portion comprises two adjacent receiving slots, and a separation plate is disposed between the two adjacent receiving slots.

7. The power connector as claimed in claim 1, wherein the first guiding portions are disposed on two sides of the supporting portion, the first guiding portions are disposed asymmetrically, and a second guiding portion is disposed inside the housing and is engaged with the first guiding portion.

8. The power connector of claim 1, wherein the terminal module includes a conductor body defining a through-hole, a first locking member movably mounted to the conductor body and extending into the through-hole, and a second locking member movably mounted to the conductor body and extending into the through-hole.

9. The electrical power connector as recited in claim 8, wherein the housing defines a guide anti-release aperture, and wherein the second locking member is at least partially received within the guide anti-release aperture.

10. The electrical power connector as recited in claim 1, wherein a stop is disposed in the housing and abuts a rear end of the head.