CN117937148B - RJ45 connector and assembly method - Google Patents
RJ45 connector and assembly method Download PDFInfo
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- CN117937148B CN117937148B CN202410328764.7A CN202410328764A CN117937148B CN 117937148 B CN117937148 B CN 117937148B CN 202410328764 A CN202410328764 A CN 202410328764A CN 117937148 B CN117937148 B CN 117937148B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 30
- 238000000465 moulding Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 7
- 230000009172 bursting Effects 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
- H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an RJ45 connector and an assembling method, which relate to the technical field of connectors and comprise a shell component, an RJ terminal, an elastic supporting component and a cam adjusting component, wherein the RJ terminal, the elastic supporting component and the cam adjusting component are arranged in the shell component in a matching way; the elastic supporting component is in sliding connection with the shell component and comprises a supporting terminal and a plastic body, one end of the supporting terminal is arranged on the plastic body, and the other end of the supporting terminal can be in contact with the RJ terminal and is used for supporting the RJ terminal; the cam adjusting component is rotationally connected with the shell component, and the cam adjusting component is used for driving the elastic supporting component to slide in the shell component, so that the problem that when the conventional RJ45 connector is used, when the number of plugging times exceeds the limiting requirement or after the user is unfair to plug, the RJ terminal is prone to falling down is solved, and the RJ terminal cannot rebound to the original position, and the problem of PIN bursting or signal breaking occurs.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to an RJ45 connector and an assembling method thereof.
Background
A connector is a module for connecting a plurality of signal lines or power lines, and is widely used in various electric lines, and functions to connect or disconnect the lines. Current connectors come in many types and models, and when in use, different connectors need to be selected for different transmission objects. The RJ45 connector is one of the connectors commonly used in the field of computer communication, and plays an indispensable role in the transmission speed and the transmitted information quantity of a network.
The RJ45 connector in the prior art is easy to be used in the following two cases:
1. when the plugging times of the RJ45 connector exceeds the limit requirement, namely the service life times of plugging, the condition that the RJ terminal is prone to falling down is easy to occur;
2. after the RJ45 connector is illegally plugged by a user, if the user plugs in and out with an ultra-standard RJ45 crystal head, the RJ11 crystal head is misplaced, and the like, the condition that the RJ terminal is prone to falling down is easy to occur;
The occurrence of the two conditions can enable the RJ terminal in the RJ45 connector to rebound to the original position, so that the problem of a crumple PIN is formed, the forward force of the contact between the crystal head and the RJ terminal is reduced, the signal transmission quality is affected, the crystal head is even enabled to be in non-contact with the RJ terminal after being inserted, and the signal disconnection, namely the signal breaking, occurs.
The application number is: 201920383033.7, the utility model of publication number CN209516195U discloses an RJ45 connector, when the RJ45 connector is used, when the number of plugging times of the RJ45 connector exceeds the limit requirement or the RJ45 connector is improperly plugged and unplugged by a user, the situation that the RJ terminal is prone to falling down still exists, so that the RJ terminal cannot rebound to the original position, and the problem of PIN breaking or signal breaking occurs.
Disclosure of Invention
Based on the above, the invention provides an RJ45 connector and an assembling method thereof, which solve the problems that when the conventional RJ45 connector is used, when the number of plugging times exceeds the limit requirement or the user plugs illegally, the RJ terminal is prone to falling down, so that the RJ terminal cannot rebound to the original position, and the PIN breaking or the signal breaking occurs.
The technical scheme of the invention is as follows:
the RJ45 connector comprises a shell component, an RJ terminal, an elastic supporting component and a cam adjusting component, wherein the RJ terminal, the elastic supporting component and the cam adjusting component are arranged in the shell component in a matching way;
the elastic supporting component is in sliding connection with the shell component and comprises a supporting terminal and a plastic body, one end of the supporting terminal is arranged on the plastic body, and the other end of the supporting terminal can be in contact with the RJ terminal and is used for supporting the RJ terminal;
The cam adjusting assembly is rotationally connected with the shell assembly and is used for driving the elastic supporting assembly to slide in the shell assembly.
Preferably, the housing assembly comprises a plastic housing and a shielding shell, one end of the plastic housing is inserted into the shielding shell to be spliced with the shielding shell, and the RJ terminal, the elastic supporting assembly and the cam adjusting assembly are arranged in the plastic housing in a matched mode.
Preferably, the sliding grooves matched with two sides of the plastic body are formed in the plastic shell, two sides of the plastic body are installed in the sliding grooves and are in sliding connection with the plastic shell, a first terminal groove matched with one end of the RJ terminal is formed in the plastic shell, a guiding limit groove matched with the RJ terminal is formed in the first terminal groove, a widening limit part matched with the guiding limit groove is formed in the RJ terminal, one end of the RJ terminal is inserted in the first terminal groove, the widening limit part is inserted in the guiding limit groove, a second terminal groove matched with the other end of the RJ terminal is formed in the bottom of the plastic shell, limiting interference is formed in the other end of the RJ terminal, the other end of the RJ terminal is inserted in the second terminal groove, and the limiting interference is inserted in the second terminal groove in interference fit with the second terminal groove.
Preferably, the top of the plastic shell is provided with a pair of mounting grooves, a fool-proof piece is mounted in each mounting groove, one end of the fool-proof piece is provided with an elastic contact part, one end of the fool-proof piece, which is provided with the elastic contact part, is provided with a limiting part, the other end of the fool-proof piece is provided with a clamping piece, two sides of the clamping piece are provided with clamping interference, one end of each mounting groove at the top of the plastic shell is matched with the corresponding clamping piece, the clamping piece can be inserted into each mounting groove, and the clamping interference is in interference fit with the corresponding mounting groove.
Preferably, the shielding shell is provided with an opening groove matched with the mounting groove, and one end of the opening groove is provided with an abutting spring piece.
Preferably, a positioning notch for installing the spring is arranged in the plastic shell, the positioning notch is arranged on two sides of the first terminal groove, a positioning guide column and a spring are arranged in the positioning notch, one end of the spring is connected with the positioning guide column, a matching positioning opening matched with the positioning notch is formed in the plastic body, and the other end of the spring is arranged in the matching positioning opening.
Preferably, one end of the plastic shell is provided with a plastic buckle, one end of the shielding shell is provided with a buckle clamping groove matched with the plastic buckle, one end of the shielding shell provided with the buckle clamping groove is provided with a buckling rear cover, one end of the buckling rear cover is rotationally connected with the shielding shell, the other end of the buckling rear cover is provided with a buckling groove, the shielding shell is provided with a buckling block matched with the buckling groove, and the buckling block can be clamped in the buckling groove and used for fixing the plastic shell in the shielding shell.
Preferably, the cam adjusting component comprises a connecting shaft rod and an adjusting cam, wherein one end of the connecting shaft rod is provided with an adjusting knob, the other end of the connecting shaft rod is provided with a detachable fixing nut, the fixing nut is in threaded connection with the connecting shaft rod, the adjusting cam is provided with a mounting hole matched with the connecting shaft rod, one end of the connecting shaft rod provided with the fixing nut can penetrate through the mounting hole and is connected with the adjusting cam, two sides of the mounting hole on the adjusting cam are provided with a pair of limit notches, the connecting shaft rod is provided with limit protrusions matched with the limit notches, the limit protrusions can be clamped into the limit notches, the connecting shaft rod is provided with limit sleeves and limit nuts, the limit sleeves are arranged on one sides of the limit protrusions close to the adjusting knob, the limit nuts are arranged on the other sides of the limit protrusions, and threads matched with the limit nuts are arranged on the connecting shaft rod.
Preferably, the plastic shell is provided with mounting holes for mounting the connecting shaft rod, one of the mounting holes is provided with a matched limiting hole matched with the limiting protrusion, one end of the connecting shaft rod, which is provided with a fixing nut, can pass through the mounting holes and the other mounting hole to be rotationally connected with the plastic shell, one end, which is close to the adjusting knob, of the connecting shaft rod is provided with a limiting flange matched with the matched limiting hole, and the limiting flange can be clamped into the matched limiting hole to limit the rotation of the connecting shaft rod.
An RJ45 connector assembling method is applied to the RJ45 connector, and comprises the following steps:
a: installing a fool-proof piece;
taking a pair of fool-proof pieces and a plastic shell, and installing the fool-proof pieces in the installation grooves corresponding to the tops of the plastic shells, so that the clamping pieces on the fool-proof pieces are inserted into the installation grooves, and the clamping interference is matched with the installation grooves to finish the installation of the fool-proof pieces;
B: installing an RJ terminal;
Taking an RJ terminal and a plastic shell provided with a foolproof piece in the step A, after one end of the RJ terminal corresponds to a first terminal groove and the other end of the RJ terminal corresponds to a second terminal groove, pressing in a widened limiting part on the RJ terminal corresponds to a guiding limiting groove in the first terminal groove, so that one end of the RJ terminal is inserted into the first terminal groove, the widened limiting part on the RJ terminal is inserted into the guiding limiting groove, the other end of the RJ terminal is inserted into the second terminal groove, and limiting interference arranged at the other end of the RJ terminal is matched and fixed with the second terminal groove to finish the installation of the RJ terminal;
c: installing an elastic supporting component and a spring;
Taking an elastic supporting component, a pair of springs and a plastic shell with RJ terminals assembled in the step B, sleeving one end of each spring on a positioning guide post in a positioning notch in the plastic shell, and then respectively loading two sides of a plastic body in the elastic supporting component after corresponding to sliding grooves in the plastic shell, so that the other end of each spring is loaded in a matched positioning notch on the plastic body, thereby completing the installation of the elastic supporting component and the springs;
the support terminal and the plastic body are combined in a secondary injection molding mode;
D: installing a cam adjusting assembly;
C, taking a connecting shaft rod, an adjusting cam, a limiting nut, a fixing nut and a plastic shell with the elastic supporting component and the spring assembled in the step C, placing the adjusting cam in the plastic shell, inserting a mounting port provided with a matched limiting port on the plastic shell corresponding to one end of the connecting shaft rod and one end of the fixing nut, enabling the connecting shaft rod to pass through the adjusting cam, placing the limiting nut in the plastic shell, enabling the connecting shaft rod to pass through the limiting nut, screwing the limiting nut, enabling the limiting nut to be matched with the limiting sleeve to complete limiting of the adjusting cam, enabling the connecting shaft rod to pass through the other mounting port on the plastic shell, and screwing the fixing nut to complete mounting of the cam adjusting component;
When the connecting shaft rod is installed, the limiting protrusion on the connecting shaft rod is required to be correspondingly matched with the limiting opening, and when the adjusting cam is installed on the connecting shaft rod, the connecting shaft rod is required to be correspondingly arranged in the mounting hole on the adjusting cam, and the limiting protrusion on the connecting shaft rod is required to be correspondingly arranged in the limiting notch on the adjusting cam;
E: installing a shielding shell;
Taking a shielding shell and a plastic shell of which the cam adjusting component is assembled in the step D, inserting one end of the plastic shell, corresponding to the shielding shell, of the end, which is provided with a buckling rear cover, enabling a plastic buckle on the plastic shell to be clamped into a buckling clamping groove, then snapping the buckling rear cover, enabling the buckling groove on the buckling rear cover to be clamped with a buckling block, and completing the installation of the shielding shell, namely completing the assembly of the RJ45 connector.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the elastic supporting component matched with the RJ terminal and the cam adjusting component matched with the elastic supporting component are arranged, when the RJ terminal does not have the falling condition, the supporting terminal is not contacted with the RJ terminal, when the RJ terminal has the falling condition and cannot rebound to the original position, the elastic supporting component can be driven to slide in the shell component by the driving cam adjusting component, so that one end of the supporting terminal in the elastic supporting component can be contacted with the RJ terminal, and the RJ terminal is supported to rebound to the original position, thereby solving the problems that when the conventional RJ45 connector is used, the falling condition of the RJ terminal is easy to occur when the plugging frequency exceeds the limiting requirement or the RJ terminal is illegally plugged and pulled by a user, and the RJ terminal cannot rebound to the original position and the PIN or the signal is broken.
Drawings
Fig. 1 is a schematic view of an exploded view of an RJ45 connector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a shield case according to an embodiment of the present invention;
fig. 3 is a schematic view of a molded case and an RJ terminal according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the elastic support assembly according to the embodiment of the present invention;
FIG. 5 is a schematic view of the fool-proof member according to the embodiment of the present invention;
Fig. 6 is a schematic view of an RJ terminal according to an embodiment of the present invention;
FIG. 7 is a schematic view of a cam adjustment assembly according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an RJ45 connector according to an embodiment of the present invention;
Fig. 9 is a schematic diagram of an RJ45 connector according to a second embodiment of the present invention;
Fig. 10 is a schematic view of an RJ45 connector and a crystal head according to an embodiment of the present invention;
Fig. 11 is a schematic diagram showing an internal structure of an RJ45 connector according to an embodiment of the present invention;
Fig. 12 is a schematic diagram showing an internal structure of an RJ45 connector according to an embodiment of the present invention;
Fig. 13 is a schematic view of an internal structure of an RJ45 connector according to an embodiment of the present invention when a crystal plug of the RJ45 connector is inserted;
Fig. 14 is a schematic view showing an internal structure of an RJ45 connector adjusting cam adjusting assembly according to an embodiment of the present invention;
Reference numerals illustrate:
10-housing assembly, 100-plastic housing, 101-shielding housing, 102-sliding slot, 103-first terminal slot, 104-guiding limit slot, 105-second terminal slot, 106-mounting slot, 107-opening slot, 108-interference tab, 109-positioning slot, 110-positioning guide post, 111-spring, 112-plastic clip, 113-snap-in clip slot, 114-snap-in back, 115-snap-in slot, 116-snap-in block, 117-mounting slot, 118-mating limit opening, 20-RJ terminal, 200-widening limit, 201-mating interference, 30-elastic support assembly, 300-supporting terminal, 301-plastic body, 302-mating positioning slot, 40-cam adjustment assembly, 400-connecting shaft, 401-adjustment cam, 402-adjustment knob, 403-securing nut, 404-mounting hole, 405-limiting slot, 406-limiting projection, 407-limiting sleeve, 408-limiting nut, 409-limiting flange, 50-foolproof piece, 501-elastic contact, 502-limiting position, 502-clip, 503-snap-in interference tab.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples:
As shown in fig. 1, the embodiment discloses an RJ45 connector, which comprises a housing assembly 10, an RJ terminal 20, an elastic support assembly 30 and a cam adjusting assembly 40, wherein the RJ terminal 20, the elastic support assembly 30 and the cam adjusting assembly 40 are cooperatively arranged in the housing assembly 10;
The elastic support assembly 30 is slidably connected with the housing assembly 10, the elastic support assembly 30 comprises a support terminal 300 and a plastic body 301, one end of the support terminal 300 is arranged on the plastic body 301, and the other end of the support terminal 300 can be contacted with the RJ terminal 20 for supporting the RJ terminal 20;
The cam adjustment assembly 40 is rotatably connected to the housing assembly 10, and the cam adjustment assembly 40 is used for driving the elastic support assembly 30 to slide in the housing assembly 10.
According to the invention, through the arrangement of the elastic supporting component 30 matched with the RJ terminal 20 and the cam adjusting component 40 matched with the elastic supporting component 30, when the RJ terminal 20 does not fall down, the supporting terminal 300 is not contacted with the RJ terminal 20, as shown in fig. 11, when the RJ terminal 20 falls down and cannot rebound to the original position, the elastic supporting component 30 can be driven to slide in the shell component 10 by driving the cam adjusting component 40, so that one end of the supporting terminal 300 in the elastic supporting component 30 can be contacted with the RJ terminal 20, and the RJ terminal 20 is rebound to the original position, as shown in fig. 12 and 14, the problems that when the conventional RJ45 connector is used, when the number of plugging times exceeds the limiting requirement or the RJ terminal 20 falls down after being plugged illegally by a user, the RJ terminal 20 cannot rebound to the original position and a broken PIN or a signal is broken are solved.
As shown in fig. 1, in order to achieve a certain shielding effect on electromagnetic interference, and to facilitate production and assembly, this embodiment is modified based on the above embodiment, and is different from the above embodiment in that the housing assembly 10 includes a plastic housing 100 and a shielding shell 101, one end of the plastic housing 100 is inserted into the shielding shell 101 to be plugged into the shielding shell 101, and the RJ terminal 20, the elastic support assembly 30 and the cam adjusting assembly 40 are cooperatively disposed in the plastic housing 100.
When the electromagnetic shielding device is used, the shielding shell 101 is arranged, so that a certain shielding effect on electromagnetic interference can be realized, and meanwhile, the shielding shell 101 and the plastic shell 100 are arranged in a plugging manner, so that the electromagnetic shielding device can be conveniently produced and assembled.
As shown in fig. 3 and 6, in order to facilitate the installation of the RJ terminal 20 and the elastic support assembly 30, this embodiment is modified based on the above embodiment, and is different from the above embodiment in that a sliding groove 102 is provided in the plastic housing 100, which is disposed in cooperation with two sides of the plastic body 301, two sides of the plastic body 301 are mounted in the sliding groove 102 and slidably connected with the plastic housing 100, a first terminal groove 103 is provided in the plastic housing 100, which is disposed in cooperation with one end of the RJ terminal 20, a guiding and limiting groove 104 is provided in the first terminal groove 103, a widening and limiting part 200 is provided in cooperation with the guiding and limiting groove 104 on the RJ terminal 20, one end of the RJ terminal 20 is inserted in the first terminal groove 103, the widening and limiting part 200 is inserted in the guiding and limiting groove 104, a second terminal groove 105 is provided in cooperation with the other end of the RJ terminal 20, a limiting interference 201 is provided in cooperation with the second terminal groove 105, the other end of the RJ terminal 20 is inserted in the second terminal groove 105, and the limiting 201 is inserted in the second terminal groove 105.
When the RJ terminal 20 is installed, after one end of the RJ terminal 20 corresponds to the first terminal groove 103 and the other end of the RJ terminal 20 corresponds to the second terminal groove 105, the widened limiting part 200 on the RJ terminal 20 corresponds to the guiding limiting groove 104 in the first terminal groove 103 and is pressed in, so that one end of the RJ terminal 20 is inserted into the first terminal groove 103, the widened limiting part 200 on the RJ terminal 20 is inserted into the guiding limiting groove 104, the other end of the RJ terminal 20 is inserted into the second terminal groove 105, and the limiting interference 201 arranged at the other end of the RJ terminal 20 is matched and fixed with the second terminal groove 105, so that the installation of the RJ terminal 20 can be completed.
When in use, the matching arrangement of the widened limiting part 200 and the guiding limiting groove 104 can play a guiding role when the RJ terminal 20 is installed, and simultaneously play a role in preventing the RJ terminal 20 from being separated from the guiding limiting groove 104, namely play a role in limiting up and down, and the interference fit of the limiting interference 201 and the second terminal groove 105 can play a role in limiting and fixing interference and preventing the plug from backing after the completion of the installation.
When the elastic support assembly 30 is installed, two sides of the plastic body 301 in the elastic support assembly 30 are respectively corresponding to the sliding grooves 102 in the plastic shell 100 and then are installed, so that the other end of the spring 111 is installed in the matched positioning opening 302 on the plastic body, and the installation of the elastic support assembly 30 can be completed; the support terminal 300 and the molding body 301 are combined in a two-shot molding manner, that is, the molding body 301 is combined and fixed with the support terminal 300 by injection molding two-shot molding.
As shown in fig. 1, 5 and 10, in order to prevent the RJ terminal 20 from falling down due to misplug of the RJ11 crystal head, this embodiment is modified based on the above embodiment, and is different from the above embodiment in that a pair of mounting grooves 106 are provided at the top of the plastic housing 100, a foolproof member 50 is installed in the mounting grooves 106, one end of the foolproof member 50 is provided with an elastic contact 500 is provided with a limit 501, the other end of the foolproof member 50 is provided with a clamping piece 502, two sides of the clamping piece 502 are provided with clamping interference 503, one end of the mounting groove 106 at the top of the plastic housing 100 is matched with the clamping piece 502, the clamping piece 502 can be inserted into the mounting groove 106, and the clamping interference 503 is in interference fit with the mounting groove 106.
As shown in fig. 2, it is preferable that the shielding shell 101 is provided with an opening groove 107 which is matched with the mounting groove 106, and one end of the opening groove 107 is provided with an abutting spring piece 108.
The interference spring 108 mainly plays a role of contacting with the chassis to prevent EMI interference, and is called an EMI spring for short.
Preferably, the elastic contact part 500 on the fool-proof member 50 needs to be matched with the crystal head of the RJ45 connector, and the limit part 501 on the fool-proof member 50 needs to be matched with the crystal head of the RJ11 connector.
When the fool-proof piece 50 is installed, the fool-proof piece 50 is installed in the installation groove 106 corresponding to the top of the plastic shell 100, the clamping piece 502 on the fool-proof piece 50 is inserted into the installation groove 106, and the clamping interference 503 is matched with the installation groove 106, so that the installation of the fool-proof piece 50 can be completed.
When the plug is used, the width of the crystal head of the RJ45 connector is larger than that of the crystal head of the RJ11 connector, so that the fool-proof piece 50 is arranged, when the crystal head of the RJ45 connector is inserted, the elastic contact part 500 on the fool-proof piece 50 can be propped up, the fool-proof piece 50 is propped up, and the limit part 501 on the fool-proof piece 50 is further avoided, so that the plug of the crystal head of the RJ45 connector is inserted, as shown in fig. 13; the crystal head of the RJ11 connector is not contacted with the elastic contact part 500 on the fool-proof piece 50, and is limited by the limiting part 501 on the fool-proof piece 50 during insertion, so that the crystal head of the RJ11 connector cannot be inserted.
As shown in fig. 3 and 4, in order to prevent the elastic support assembly 30 from sliding when the RJ terminal 20 does not have a yield condition, this embodiment is modified based on the above embodiment, and is different from the above embodiment in that a positioning notch 109 for installing the spring 111 is provided in the plastic housing 100, the positioning notch 109 is provided at two sides of the first terminal slot 103, a positioning guide post 110 and the spring 111 are provided in the positioning notch 109, one end of the spring 111 is connected with the positioning guide post 110, a mating positioning opening 302 that is disposed on the plastic body 301 and mates with the positioning notch 109 is provided, and the other end of the spring 111 is disposed in the mating positioning opening 302.
When the spring 111 is installed, one end of the spring 111 is sleeved and installed on the positioning guide post 110 in the positioning notch 109 in the plastic shell 100, and then two sides of the plastic body 301 in the elastic support assembly 30 are respectively corresponding to the sliding grooves 102 in the plastic shell 100 and then are installed, so that the other end of the spring 111 is installed in the matched positioning opening 302 on the plastic body.
When in use, the spring 111 not only can play a role in preventing the elastic support assembly 30 from sliding when the RJ terminal 20 does not have a yield condition, but also can play a role in rebound when the crystal head of the RJ45 connector needs to be pulled out, so that the elastic support assembly 30 is separated from the RJ terminal 20.
As shown in fig. 2 and 3, in order to facilitate the installation of the shielding shell 101 and the plastic shell 100, this embodiment is modified based on the foregoing embodiment, and is different from the foregoing embodiment in that one end of the plastic shell 100 is provided with a plastic buckle 112, one end of the shielding shell 101 is provided with a buckle slot 113 matched with the plastic buckle 112, one end of the shielding shell 101 provided with the buckle slot 113 is provided with a buckled back cover 114, one end of the buckled back cover 114 is rotationally connected with the shielding shell 101, the other end of the buckled back cover 114 is provided with a buckling slot 115, the shielding shell 101 is provided with a buckling block 116 matched with the buckling slot 115, and the buckling block 116 can be clamped in the buckling slot 115 to fix the plastic shell 100 in the shielding shell 101.
During installation, one end of the plastic shell 100, corresponding to the shielding shell 101, is inserted into one end provided with the buckling rear cover 114, so that the plastic buckle 112 on the plastic shell 100 is clamped into the buckling clamping groove 113, then the buckling rear cover 114 is broken, the joint of the buckling rear cover 114 and the shielding shell 101 is bent, and the buckling groove 115 on the buckling rear cover 114 is clamped with the buckling block 116, so that the shielding shell 101 can be installed.
When in use, the plastic buckle 112 is clamped into the buckle clamping groove 113 to play a limiting role, and the buckling groove 115 on the buckled rear cover 114 is clamped with the buckling block 116 to play a limiting role, so that the plastic shell 100 can be fixedly arranged in the shielding shell 101.
As shown in fig. 7, in order to facilitate the installation of the cam adjusting component 40 and the adjustment of the elastic supporting component 30 after the installation of the cam adjusting component 40, this embodiment is modified based on the above embodiment, and is different from the above embodiment in that the cam adjusting component 40 includes a connecting shaft 400 and an adjusting cam 401, one end of the connecting shaft 400 is provided with an adjusting knob 402, the other end is provided with a detachable fixing nut 403, the fixing nut 403 is in threaded connection with the connecting shaft 400, the adjusting cam 401 is provided with an installation hole 404 matched with the connecting shaft 400, one end of the connecting shaft 400 provided with the fixing nut 403 can be connected with the adjusting cam 401 through the installation hole 404, two sides of the installation hole 404 on the adjusting cam 401 are provided with a pair of limit notches 405, the connecting shaft 400 is provided with limit protrusions 406 matched with the limit notches 405, the limit protrusions 406 can be clamped into the limit notches 405, the connecting shaft 400 is provided with a limit sleeve 407 and a limit nut 408, the limit sleeve 407 is arranged on one side of the limit protrusions 406 close to the adjusting knob 402, the limit nut 408 is arranged on the other side of the limit protrusions 406, and the connecting shaft 400 is provided with threads matched with the limit nut 408.
Preferably, the plastic housing 100 is provided with mounting openings 117 for mounting the connecting shaft lever 400 on two sides, wherein one mounting opening 117 is provided with a matching limiting opening 118 matched with the limiting protrusion 406, one end of the connecting shaft lever 400 provided with a fixing nut 403 can pass through the mounting opening 117 and the other mounting opening 117 to be rotationally connected with the plastic housing 100, one end of the connecting shaft lever 400 close to the adjusting knob 402 is provided with a limiting flange 409 matched with the matching limiting opening 118, and the limiting flange 409 can be clamped into the matching limiting opening 118 to limit the rotation of the connecting shaft lever 400.
During installation, the adjusting cam 401 is placed in the plastic shell 100, then the connecting shaft rod 400 and one end of the fixing nut 403 are inserted into the mounting opening 117 provided with the matched limiting opening 118 on the plastic shell 100, after the connecting shaft rod 400 passes through the adjusting cam 401, the limiting nut 408 is placed in the plastic shell 100, then the connecting shaft rod 400 passes through the limiting nut 408, then the limiting nut 408 is screwed, the limiting nut 408 and the limiting sleeve 407 are matched to complete limiting of the adjusting cam 401, then the connecting shaft rod 400 passes through the other mounting opening 117 on the plastic shell 100, and then the fixing nut 403 is screwed in, so that the installation of the cam adjusting assembly 40 can be completed; when the connecting shaft lever 400 is installed, the limiting protrusion 406 on the connecting shaft lever 400 is required to be correspondingly matched with the limiting opening 118, when the adjusting cam 401 is installed on the connecting shaft lever 400, the connecting shaft lever 400 is required to be correspondingly matched with the installing hole 404 on the adjusting cam 401, and the limiting protrusion 406 on the connecting shaft lever 400 is required to be correspondingly matched with the limiting notch 405 on the adjusting cam 401.
When the connecting shaft 400 is in use, the limiting protrusion 406 on the connecting shaft 400 is matched with the limiting notch 405 on the adjusting cam 401, so that the limiting cam can be limited to rotate on the connecting shaft 400, the limiting nut 408 is matched with the limiting sleeve 407 to limit the adjusting cam 401 to move left and right on the connecting shaft 400, meanwhile, the limiting flange 409 on the connecting shaft 400 can be clamped into the limiting opening 118 to limit the rotating action of the connecting shaft 400 during installation, when the connecting shaft 400 is required to rotate, the fixing nut 403 is only required to be unscrewed, the connecting shaft 400 is pulled to enable the limiting flange 409 on the connecting shaft 400 to withdraw from the matched limiting opening 118 at the mounting opening 117 on the plastic shell 100, the connecting shaft 400 can be rotated, and when the supporting terminal 300 plays a supporting role on the RJ terminal 20, the fixing nut 403 is screwed.
As shown in fig. 1, 8 and 9, an RJ45 connector assembling method is applied to an RJ45 connector, and includes the following steps:
a: installing a fool-proof member 50;
Taking a pair of fool-proof members 50 and a plastic shell 100, loading the fool-proof members 50 into the mounting grooves 106 corresponding to the tops of the plastic shells 100, inserting the clamping pieces 502 on the fool-proof members 50 into the mounting grooves 106, and enabling the clamping interference 503 to form a fit with the mounting grooves 106 to finish the mounting of the fool-proof members 50;
b: mounting an RJ terminal 20;
Taking the RJ terminal 20 and the plastic shell 100 with the fool-proof piece 50 mounted in the step A, pressing in the RJ terminal 20 after one end of the RJ terminal 20 corresponds to the first terminal groove 103 and the other end of the RJ terminal 20 corresponds to the second terminal groove 105, so that one end of the RJ terminal 20 is inserted into the first terminal groove 103, the widened limiting part 200 on the RJ terminal 20 is inserted into the guided limiting groove 104, the other end of the RJ terminal 20 is inserted into the second terminal groove 105, and the limiting interference 201 arranged at the other end of the RJ terminal 20 and the second terminal groove 105 form a matched fixation to finish the mounting of the RJ terminal 20;
C: mounting the elastic support assembly 30 and the spring 111;
Taking an elastic support assembly 30, a pair of springs 111 and a plastic shell 100 with RJ terminals 20 assembled in the step B, sleeving and installing one end of each spring 111 on a positioning guide column 110 in a positioning notch 109 in the plastic shell 100, and then installing two sides of a plastic body 301 in the elastic support assembly 30 respectively corresponding to sliding grooves 102 in the plastic shell 100, so that the other end of each spring 111 is installed in a matched positioning opening 302 on the plastic body, thereby completing the installation of the elastic support assembly 30 and the springs 111;
the support terminal 300 and the molding body 301 are combined in a two-shot molding manner;
D: mounting a cam adjustment assembly 40;
Taking a connecting shaft lever 400, an adjusting cam 401, a limiting nut 408, a fixing nut 403 and the plastic shell 100 assembled with the elastic supporting component 30 and the spring 111 in the step C, placing the adjusting cam 401 in the plastic shell 100, inserting the connecting shaft lever 400 and one end of the fixing nut 403 corresponding to the mounting opening 117 provided with the matched limiting opening 118 on the plastic shell 100, placing the limiting nut 408 in the plastic shell 100 after the connecting shaft lever 400 passes through the adjusting cam 401, then passing the connecting shaft lever 400 through the limiting nut 408, screwing the limiting nut 408, enabling the limiting nut 408 to be matched with the limiting sleeve 407 to complete limiting of the adjusting cam 401, then enabling the connecting shaft lever 400 to pass through the other mounting opening 117 on the plastic shell 100, and then screwing the fixing nut 403 to complete mounting of the cam adjusting component 40;
When the connecting shaft lever 400 is installed, the limiting protrusion 406 on the connecting shaft lever 400 is required to be correspondingly matched with the limiting opening 118, when the adjusting cam 401 is installed on the connecting shaft lever 400, the connecting shaft lever 400 is required to be correspondingly matched with the installing hole 404 on the adjusting cam 401, and the limiting protrusion 406 on the connecting shaft lever 400 is required to be correspondingly matched with the limiting notch 405 on the adjusting cam 401;
E: installing a shielding shell 101;
Taking a shielding shell 101 and a plastic shell 100 of which the cam adjusting component 40 is assembled in the step D, inserting one end of the plastic shell 100, corresponding to the shielding shell 101, with one end of a buckled rear cover 114, so that a plastic buckle 112 on the plastic shell 100 is clamped into a buckle clamping groove 113, then snapping the buckled rear cover 114, so that a buckling groove 115 on the buckled rear cover 114 is clamped with a buckling block 116, and completing the installation of the shielding shell 101, namely, the assembly of the RJ45 connector.
The RJ45 connector of the present invention can be quickly assembled using the above method.
The working principle of the invention is as follows:
according to the invention, the elastic supporting component 30 matched with the RJ terminal 20 and the cam adjusting component 40 matched with the elastic supporting component 30 are arranged, when the RJ terminal 20 does not have the falling condition, the supporting terminal 300 is not contacted with the RJ terminal 20, when the RJ terminal 20 has the falling condition and cannot rebound to the original position, the elastic supporting component 30 can be driven to slide in the shell component 10 by driving the cam adjusting component 40, so that one end of the supporting terminal 300 in the elastic supporting component 30 can be contacted with the RJ terminal 20, and the RJ terminal 20 is supported to rebound to the original position.
The foregoing examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (8)
1. The RJ45 connector is characterized by comprising a shell assembly (10), an RJ terminal (20), an elastic support assembly (30) and a cam adjusting assembly (40), wherein the RJ terminal (20), the elastic support assembly (30) and the cam adjusting assembly (40) are arranged in the shell assembly (10) in a matched mode;
The elastic supporting component (30) is in sliding connection with the shell component (10), the elastic supporting component (30) comprises a supporting terminal (300) and a plastic body (301), one end of the supporting terminal (300) is arranged on the plastic body (301), the other end of the supporting terminal can be in contact with the RJ terminal (20) and is used for supporting the RJ terminal (20), the cam adjusting component (40) is in rotary connection with the shell component (10), and the cam adjusting component (40) is used for driving the elastic supporting component (30) to slide in the shell component (10);
The shell assembly (10) comprises a plastic shell (100) and a shielding shell (101), one end of the plastic shell (100) is inserted into the shielding shell (101) to be connected with the shielding shell (101) in an inserting mode, the RJ terminal (20), the elastic supporting assembly (30) and the cam adjusting assembly (40) are arranged in the plastic shell (100) in a matched mode, sliding grooves (102) which are arranged on two sides of the plastic shell (301) in a matched mode are arranged in the plastic shell (100), two sides of the plastic shell (301) are arranged in the sliding grooves (102) to be connected with the plastic shell (100) in a sliding mode, a first terminal groove (103) which is matched with one end of the RJ terminal (20) is arranged in the plastic shell (100), a guide limit groove (104) which is matched with the RJ terminal (20) is arranged in the first terminal groove (103), a widening limit part (200) which is matched with the guide limit groove (104) is arranged on the RJ terminal (20), one end of the RJ terminal (20) is inserted into the first terminal groove (103), the widening limit part (200) is inserted into the guide limit groove (104), the bottom of the plastic shell (100) is provided with a second terminal groove (105) which is matched with the RJ terminal (20) in the other end, a second terminal groove (105) which is arranged in the other end of the RJ terminal (20) is arranged in the interference mode, the second terminal groove (105) is arranged on the other end of the RJ terminal, the limiting interference (201) is inserted into the second terminal groove (105) and is in interference fit with the second terminal groove (105).
2. The RJ45 connector according to claim 1, wherein a pair of mounting grooves (106) are formed in the top of the plastic housing (100), a fool-proof member (50) is mounted in each mounting groove (106), an elastic contact part (500) is formed at one end of each fool-proof member (50), a limit part (501) is formed at one end of each fool-proof member (50) with the corresponding elastic contact part (500), a clamping piece (502) is arranged at the other end of each fool-proof member (50), clamping interference pieces (503) are arranged on two sides of each clamping piece (502), one end of each mounting groove (106) in the top of the plastic housing (100) is matched with each clamping piece (502), each clamping piece (502) can be inserted into each mounting groove (106), and each clamping interference piece (503) is in interference fit with each mounting groove (106).
3. An RJ45 connector according to claim 2, characterised in that the shielding housing (101) is provided with an opening groove (107) arranged in cooperation with the mounting groove (106), and one end of the opening groove (107) is provided with a contact spring (108).
4. A RJ45 connector according to claim 3, characterized in that a positioning notch (109) for mounting the spring (111) is provided in the plastic housing (100), the positioning notch (109) is provided at both sides of the first terminal slot (103), a positioning guide column (110) and the spring (111) are provided in the positioning notch (109), one end of the spring (111) is connected with the positioning guide column (110), a mating positioning opening (302) which is mated with the positioning notch (109) is provided in the plastic body (301), and the other end of the spring (111) is provided in the mating positioning opening (302).
5. The RJ45 connector according to claim 4, wherein a plastic buckle (112) is disposed at one end of the plastic housing (100), a buckle slot (113) matched with the plastic buckle (112) is disposed at one end of the shielding housing (101), a buckling rear cover (114) is disposed at one end of the shielding housing (101) provided with the buckle slot (113), one end of the buckling rear cover (114) is rotationally connected with the shielding housing (101), a buckling slot (115) is disposed at the other end of the buckling rear cover (114), a buckling block (116) matched with the buckling slot (115) is disposed on the shielding housing (101), and the buckling block (116) can be clamped in the buckling slot (115) to fix the plastic housing (100) in the shielding housing (101).
6. The RJ45 connector according to claim 5, wherein the cam adjusting component (40) comprises a connecting shaft rod (400) and an adjusting cam (401), one end of the connecting shaft rod (400) is provided with the adjusting knob (402), the other end of the connecting shaft rod is provided with a detachable fixing nut (403), the fixing nut (403) is in threaded connection with the connecting shaft rod (400), the adjusting cam (401) is provided with a mounting hole (404) matched with the connecting shaft rod (400), one end of the connecting shaft rod (400) provided with the fixing nut (403) can penetrate through the mounting hole (404) to be connected with the adjusting cam (401), two sides of the mounting hole (404) on the adjusting cam (401) are provided with a pair of limit notches (405), the connecting shaft rod (400) is provided with limit protrusions (406) matched with the limit notches (405), the limit protrusions (406) can be clamped into the limit notches (405), the connecting shaft rod (400) is provided with limit sleeves (407) and limit nuts (408), the limit sleeves (407) are arranged on one side of the limit protrusions (406) close to the adjusting knob (402), the limit nuts (408) are arranged on the other side of the limit protrusions (406), and the limit nuts (408) can be matched with the limit nuts (408).
7. The RJ45 connector according to claim 6, wherein mounting openings (117) for mounting the connecting shaft lever (400) are formed in two sides of the plastic housing (100), one of the mounting openings (117) is provided with a mating limiting opening (118) mated with the limiting protrusion (406), one end of the connecting shaft lever (400) provided with a fixing nut (403) can penetrate through the mounting opening (117) and the other mounting opening (117) to be rotationally connected with the plastic housing (100), one end, close to the adjusting knob (402), of the connecting shaft lever (400) is provided with a limiting flange (409) mated with the mating limiting opening (118), and the limiting flange (409) can be clamped into the mating limiting opening (118) to limit the rotation of the connecting shaft lever (400).
8. A method of assembling an RJ45 connector, applied to an RJ45 connector according to any of claims 1-7, comprising the steps of:
a: installing a fool-proof member (50);
Taking a pair of fool-proof pieces (50) and a plastic shell (100), loading the fool-proof pieces (50) into the mounting grooves (106) corresponding to the tops of the plastic shells (100), inserting the clamping pieces (502) on the fool-proof pieces (50) into the mounting grooves (106), and enabling the clamping interference (503) to form a fit with the mounting grooves (106), so as to finish the mounting of the fool-proof pieces (50);
b: installing an RJ terminal (20);
taking an RJ terminal (20) and a plastic shell (100) provided with a foolproof piece (50) in the step A, after one end of the RJ terminal (20) corresponds to a first terminal groove (103) and the other end of the RJ terminal (20) corresponds to a second terminal groove (105), a widened limiting part (200) on the RJ terminal (20) corresponds to a guiding limiting groove (104) in the first terminal groove (103) and is pressed in, so that one end of the RJ terminal (20) is inserted into the first terminal groove (103), the widened limiting part (200) on the RJ terminal (20) is inserted into the guiding limiting groove (104), the other end of the RJ terminal (20) is inserted into the second terminal groove (105), and a limiting interference (201) arranged at the other end of the RJ terminal (20) is matched and fixed with the second terminal groove (105), thereby completing the installation of the RJ terminal (20);
C: installing an elastic support assembly (30) and a spring (111);
Taking an elastic supporting component (30), a pair of springs (111) and a plastic shell (100) with RJ terminals (20) assembled in the step B, sleeving and installing one end of each spring (111) on a positioning guide column (110) in a positioning notch (109) in the plastic shell (100), and then installing two sides of a plastic body (301) in the elastic supporting component (30) respectively corresponding to sliding grooves (102) in the plastic shell (100) after installing the other end of each spring (111) in a matched positioning opening (302) on the plastic body, so as to finish the installation of the elastic supporting component (30) and the springs (111);
the support terminal (300) and the molding body (301) are combined in a two-shot molding mode;
D: mounting a cam adjustment assembly (40);
C, taking a connecting shaft rod (400), an adjusting cam (401), a limit nut (408), a fixing nut (403) and a plastic shell (100) assembled with an elastic supporting component (30) and a spring (111) in the step C, placing the adjusting cam (401) in the plastic shell (100), inserting a mounting opening (117) provided with a matched limit opening (118) on one end of the connecting shaft rod (400) and one end of the fixing nut (403) corresponding to the plastic shell (100), placing the limit nut (408) in the plastic shell (100) after the connecting shaft rod (400) passes through the adjusting cam (401), then enabling the connecting shaft rod (400) to pass through the limit nut (408), screwing the limit nut (408), enabling the limit nut (408) to be matched with a limit sleeve (407) to complete limit of the adjusting cam (401), enabling the connecting shaft rod (400) to pass through the other mounting opening (117) on the plastic shell (100), and then screwing the fixing nut (403) into the plastic shell, so as to complete mounting of the cam adjusting component (40);
When the connecting shaft lever (400) is installed, the limiting protrusion (406) on the connecting shaft lever (400) is required to be correspondingly matched with the limiting opening (118), when the adjusting cam (401) is installed on the connecting shaft lever (400), the connecting shaft lever (400) is required to be correspondingly installed in the installing hole (404) on the adjusting cam (401), and the limiting protrusion (406) on the connecting shaft lever (400) is required to be correspondingly installed in the limiting notch (405) on the adjusting cam (401);
E: installing a shielding shell (101);
Taking a shielding shell (101) and a plastic shell (100) of which the cam adjusting assembly (40) is assembled in the step D, inserting one end of the plastic shell (100) corresponding to one end of the shielding shell (101) provided with a buckling rear cover (114), enabling a plastic buckle (112) on the plastic shell (100) to be clamped into a buckling clamping groove (113), then snapping the buckling rear cover (114), enabling a buckling groove (115) on the buckling rear cover (114) to be clamped with a buckling block (116), and completing the installation of the shielding shell (101), namely completing the assembly of the RJ45 connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410328764.7A CN117937148B (en) | 2024-03-21 | 2024-03-21 | RJ45 connector and assembly method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410328764.7A CN117937148B (en) | 2024-03-21 | 2024-03-21 | RJ45 connector and assembly method |
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| CN117937148A CN117937148A (en) | 2024-04-26 |
| CN117937148B true CN117937148B (en) | 2024-05-31 |
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| CN117220095A (en) * | 2023-08-18 | 2023-12-12 | 东莞市裕坤电子科技有限公司 | RJ45 connector capable of preventing RJ11 from being inserted |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7806706B2 (en) * | 2007-07-03 | 2010-10-05 | Panduit Corp. | Plug locking assembly and system |
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|---|---|---|---|---|
| CN201498710U (en) * | 2009-05-18 | 2010-06-02 | 富士康(昆山)电脑接插件有限公司 | Module group connector |
| CN203596462U (en) * | 2013-10-23 | 2014-05-14 | 深圳市得润电子股份有限公司 | Fool-proof electric connector |
| CN104332768A (en) * | 2014-11-17 | 2015-02-04 | 昆山思瑞奕电子有限公司 | Socket connector |
| CN214957591U (en) * | 2020-11-10 | 2021-11-30 | 苏州华旃航天电器有限公司 | Small RJ45 electric connector plug capable of being horizontally unlocked |
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| CN117220095A (en) * | 2023-08-18 | 2023-12-12 | 东莞市裕坤电子科技有限公司 | RJ45 connector capable of preventing RJ11 from being inserted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117937148A (en) | 2024-04-26 |
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