CN106711657B - Split type 2M connector and manufacturing method thereof - Google Patents
Split type 2M connector and manufacturing method thereof Download PDFInfo
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- CN106711657B CN106711657B CN201710134476.8A CN201710134476A CN106711657B CN 106711657 B CN106711657 B CN 106711657B CN 201710134476 A CN201710134476 A CN 201710134476A CN 106711657 B CN106711657 B CN 106711657B
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
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Abstract
The invention provides a split type 2M connector and a manufacturing method thereof, belonging to the technical field of communication and comprising a signal needle, an insulator, a connecting piece, a fixed tube, a movable connecting body and an end cap, wherein one end of the signal needle is of a hollow structure, and the tail part of the hollow end of the signal needle is provided with an open slot; the insulator is sleeved outside the signal pin; the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is sleeved outside the insulator, the front end of the second connecting piece is fixed with the tail end of the first connecting piece, at least 2 grooves are formed in the periphery of the front end of the second connecting piece, and supporting pieces matched with the grooves are integrally arranged on the periphery of the tail end of the second connecting piece; the fixed pipe is sleeved outside the tail end of the second connecting piece; the movable connecting body is sleeved outside the first connecting piece; the end cap is sleeved outside the second connecting piece. The welding space of the 2M joint is increased, the observation is convenient, the welding reliability is higher, and the problems of insufficient solder, missing solder and the like are effectively avoided.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and particularly relates to a split type 2M connector and a manufacturing method thereof.
Background
With the development of power communication, communication equipment of a transformer substation is improved day by day, and in the communication equipment, a distribution cabinet plays a crucial role, and only by the communication equipment, outward transfer of services can be realized.
In the data distribution, the quality of the 2M connector is related to whether each service can be normally transmitted, the existing 2M connector is welded, however, the welding space provided by the 2M connector is narrow, the 2M connector is small, the welding space provided by the 2M connector is not much larger than that of an electric soldering iron, soldering tin is not easy to place, the soldering tin is shortened and placed to be easy to leak, and short circuit can occur after the soldering tin is lengthened. A second person must be used to help the welding process, and one person cannot complete the task. During welding, a power supply needs to be found on site, an electric soldering iron is inserted for preheating, after preheating is finished, a first person holds one end of the 2M connector with one hand and holds the electric soldering iron with the other hand, a second person holds the stable data wire with one hand and carries soldering tin with the other hand for matching, and the hand of the second person is extremely easy to be burnt carelessly due to small space, so that certain danger is caused; in addition, the soldering tin is easy to melt metal, and can emit unpleasant gas during welding, and the gas is inhaled into the lung by a human body and can cause potential harm to the human body. And because 2M connects the space little, weld the copper core of data line and the joint shell of 2M data line together easily when the welding, cause the short circuit, welding quality problems such as false solder can also take place, and difficult discovery.
After the 2M connectors are welded, the connectors are inserted into a numerical distribution, screws are screwed, and business circulation is achieved, but after the connector is operated for a period of time, a few 2M connectors are loosened and fall off due to infirm welding, so that business is obstructed, and an optical transceiver gives an alarm. The 2M services comprise services such as administrative telephone, dispatching automation, protection and safety control and the like, if the 2M line is the administrative telephone service, the problem is not very great, if the 2M line is the relay protection service, the service is 220kV line differential protection, the line has a fault and needs to be tripped, and because the 2M channel is not communicated, the line cannot be tripped, and then serious grid accidents such as line burning, transformer damage and the like can occur. In addition, the existing 2M joint usually adopts iron alloy, the toughness is small, the iron alloy is easy to crush during compression joint, and the joint which is just welded needs to be cut again and then manufactured.
The patent of application number 201520662321.8 discloses a 2M cable head, the cable head is from interior to outer conducting layer, internal insulation layer, shielding layer, outer jacket, crimping layer of being in proper order, the internal conduction layer is formed by the contact pin welding of cable end inner conductor and 2M connector, be the roller flower cylinder of 2M connector between internal insulation layer and the shielding layer, the even roller flower cylinder of parcel of shielding layer, be connected for the crimping between crimping layer cover shielding layer and crimping layer tip and the shielding layer, thermal shrinkage layer cup joints in the 2M cable head outside. The manufacturing method comprises the following steps: now, the crimping layer 5 and the thermal shrinkage layer 6 are sleeved at one end of the cable, then the inner conductor 1 at the end part of the cable is peeled off, the peeled inner conductor 1 is inserted into a contact pin 7 of the 2M connector, a roller flower cylinder 8 of the 2M connector is inserted between an inner insulating layer 2 and a shielding layer 3 of the cable, the shielding layer 3 is uniformly attached to the roller flower cylinder 8 of the connector, the crimping layer 5 covers the shielding layer 3, then wire pressing pliers are used for tightly pressing two ends of the crimping layer 5, then the contact pins 7 of the inner conductor 1 and the 2M connector are welded, then the thermal shrinkage layer 6 is sleeved at the outer side of a cable head, and the thermal shrinkage layer 6 is in close contact with the cable head by using a hot air gun. The cable head has good conductivity and can have a service life of more than ten years. However, the 2M cable head also has the following problems, one of which is that the 2M connector used in the 2M cable head is the conventional 2M head, the structure of the 2M cable head is not significantly improved, and the size of the pin space of the 2M connector determines the size of the soldering space, so that in order to ensure that the inner conductor at the end of the cable is well contacted with the pin, the pin space is still narrow (fig. 1), which is not favorable for operation and observation, and the problems of insufficient solder, desoldering and the like still occur, and are not easy to be found by an operator, so that the phenomena of insufficient solder, desoldering, wire breakage and the like of the core wire of the cable head, which are often caused in operation and are proposed by the background technology [0002], are not substantially solved. Secondly, it can be confirmed by combining with figure 1 that the heat-shrinkable layer is sleeved outside the crimping layer in the 2M cable head, and if the crimping layer is not firmly crimped in actual operation, the heat-shrinkable layer shrinks outside the crimping layer under the action of heat and does not play an effective role in fixing the 2M cable head. The patent with application number 201510540841.6 discloses a 2M cable head manufacturing process, which comprises the following steps: (1) sleeving a crimping sleeve and a heat-shrinkable sleeve at one end of the 2M cable in sequence; (2) stripping an inner conductor at the end part of the cable from the outer protective layer and the inner insulating layer of the cable to ensure that the end surfaces of the outer protective layer and the inner insulating layer of the cable are flush and smooth and do not damage the shielding layer and the inner conductor; (3) inserting the stripped inner conductor into a contact pin of the 2M connector to enable a step at the end part of the contact pin to be in contact with an inner insulating layer of the cable; (4) inserting a knurled cylinder of a 2M connector between an inner insulating layer and a shielding layer of a cable, uniformly attaching the shielding layer to the knurled cylinder of the connector, covering a crimping sleeve on the shielding layer, and then pressing two ends of the crimping sleeve tightly by using a crimping pliers; (5) separating the outer terminal of the 2M connector from the inner insulation of the 2M connector, keeping the step of the contact pin in contact with the inner insulation of the cable and the inner insulation of the 2M connector, and then welding the contact pin and the inner conductor of the cable by using welding tin; (6) after welding, inserting the outer terminal of the 2M connector and the inner insulation of the 2M connector together; and then sleeving the heat-shrinkable sleeve at the joint of the crimping sleeve and the cable, so that the heat-shrinkable sleeve is tightened at the joint. The 2M cable head manufacturing process has the following problems: firstly, the crimping sleeve is covered on the shielding layer and compressed tightly before the welding in the step (5), if a problem is found before the welding or in the welding process, the adjustment or the re-manufacture is needed, and the crimping sleeve is already crimped and fixed, so that the adjustment or the disassembly becomes troublesome, the crimping sleeve is wasted, and the manufacturing efficiency is reduced. Secondly, the contact pin and the cable inner conductor are welded by soldering tin, and due to structural limitation of the contact pin, the problems of easy cold joint, disconnection and the like still exist in soldering tin welding, and the soldering tin welding is not easy to be found by an operator.
In view of the above problems, it is desirable to develop a stable and reliable 2M joint to solve the above disadvantages of the existing 2M joint.
Disclosure of Invention
The invention aims to solve the technical problem of providing a safe and reliable split type 2M connector aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a split type 2M connector comprises a signal needle, an insulator, a connecting piece, a fixed pipe, a movable connecting body and an end cap, wherein one end of the signal needle is of a hollow structure and is used for inserting a wire core of a 2M data wire, and the tail part of the hollow end of the signal needle is provided with an open slot; the insulator is sleeved outside the signal pin; the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is sleeved outside the insulator, the front end of the second connecting piece is fixed with the tail end of the first connecting piece, at least 2 grooves are formed in the periphery of the front end of the second connecting piece, and supporting pieces matched with the grooves are integrally arranged on the periphery of the tail end of the second connecting piece; the fixed pipe is sleeved outside the tail end of the second connecting piece; the movable connecting body is sleeved outside the first connecting piece; the end cap is sleeved outside the second connecting piece.
Preferably, the signal pin is provided with a first step part formed by protruding the outer surface of the signal pin; the insulator comprises a first insulator and a second insulator, wherein the first insulator is internally provided with a first hole for the signal pin to pass through, the first insulator is externally provided with a second step part, and the second insulator is internally provided with a second hole for the tail end of the signal pin to pass through; the first connecting piece is internally provided with a third step part matched with the second step part, the first connecting piece is externally provided with a fourth step part, the tail end of the first connecting piece is in threaded connection with the front end of the second connecting piece, the second connecting piece is internally provided with a stop part, and the insulator is fixed through the third step part and the stop part; the end part of the movable connector is bent inwards and clamped on the fourth step part; the end cap is fixedly connected with the second connecting piece.
Preferably, the movable connecting body is provided with internal threads, and the size of an opening at the end part of the movable connecting body is matched with the 2M connector of the digital distribution cabinet.
Preferably, the front end of the end cap is provided with internal threads which are connected with external threads arranged on the second connecting piece.
Preferably, a fifth step is provided inside the end cap.
Preferably, the tail end of the second connecting piece is provided with a tapered part.
Preferably, the tail end of the signal pin is provided with a chamfer.
The manufacturing method of the split type 2M connector comprises the following steps:
1) sequentially penetrating and fixing the signal pins in the second insulator and the first insulator;
2) the first insulator, the second insulator and the signal pin penetrate into a first connecting piece, a movable connecting body is sleeved on the outer portion of the first connecting piece, and the front end of the first connecting piece is fixed with the second connecting piece;
3) stripping an outer rubber layer of the to-be-manufactured 2M data line according to a certain length, separating a shielding layer from an insulating layer, and exposing a wire core; sequentially enabling the 2M data line to be manufactured to pass through the end cap, the fixed pipe and the second connecting piece;
4) inserting the wire core into the signal needle, and welding and fixing the wire core by utilizing soldering tin and an electric soldering iron to align to the open slot;
5) connecting the tail end and the front end of the second connecting piece, uniformly covering the shielding layer of the 2M data wire on the tail end of the second connecting piece, sleeving the fixing pipe on the shielding layer, and screwing the end cap down to fixedly connect the end cap with the second connecting piece, thereby completing the manufacture of the 2M data wire;
6) inserting the completed 2M data line into a corresponding 2M connector in the digital distribution cabinet according to the requirement of a mode list so as to ensure that the connection is reliable; and (3) making a channel in a network management, configuring data to open the channel, debugging on site, carrying out short circuit on the 2M of the digital distribution cabinet, checking whether a near-end loop is normal, then connecting service equipment after switching, checking whether an optical machine has an alarm and the like, and if all the paths are normal, indicating that the loop has no problem.
Compared with the prior art, the invention has the following beneficial effects:
the 2M connector adopts split type connection, compared with the existing 2M connector, the welding space is obviously increased, an operator or a maintainer can conveniently observe the welding space, the welding reliability is higher, the problems of insufficient solder, missing solder and the like can be effectively avoided, and the 2M connector is convenient to use and high in welding speed. The 2M connector can ensure the reliable connection of the 2M connector by fixing the 2M connector layer by layer, and experiments show that the 2M connector is not loosened and the loop inspection is normal when the data line is pulled by 80N force, so that the use requirement can be completely met.
One end of a signal needle in the split type 2M connector is hollow, an open slot is formed in the hollow end of the signal needle, when a 2M data line is manufactured, a wire core of the 2M data line to be manufactured is inserted into the signal needle, and then the signal needle is welded and fixed through soldering tin and electric soldering iron through the open slot. Practice shows that the signal pin after welding is in good contact with the wire core of the 2M data wire, the electric conductivity is good, the use is more convenient, the welding is firmer, and the manufacturing speed is faster.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1: the invention discloses a structural schematic diagram of a split type 2M connector;
FIG. 2: the structure of the signal needle of the invention is schematically shown (B-front view, C-A-A section view);
FIG. 3: the first insulator of the invention has a structure schematic diagram (A-front view, B-sectional view, C-left view);
FIG. 4: the structure of the second insulator of the invention is shown schematically (A-front view, B-left view);
FIG. 5: the invention relates to a structural schematic diagram of a first connecting piece (A-front view, B-sectional view);
FIG. 6: the structure of the second connecting piece of the invention is shown schematically (B-front view, C-A-A section view, D-top view);
FIG. 7: the structure of embodiment 2 of the invention is schematically shown;
FIG. 8: and the state schematic diagram of the wire core of the 2M data wire inserted into the signal pin.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example 1
Referring to fig. 1, the split 2M connector of the present invention includes a signal pin 1, insulators 201 and 202, connecting members 301 and 302, a fixed tube 4, a movable connecting body 5, and an end cap 6, wherein:
referring to fig. 1-2, a front end 101 of the signal pin 1 is a solid structure, a head of the signal pin is conical and is used for connecting with a corresponding 2M connector on a digital distribution cabinet, a tail end 102 of the signal pin is a hollow structure for inserting a wire core of a 2M data wire, the signal pin is provided with a first step part 103 formed by protruding the outer surface of the signal pin, and the first step part is matched with insulators 201 and 202 to play a limiting role; furthermore, the tail part of the hollow end of the signal pin is provided with an open slot 104, and the open slot provides a welding site for the connection of the signal pin and the 2M data line core. Referring to fig. 8, the size of the cavity at the tail end of the signal pin 1 is adapted to the wire core 8 of the 2M data wire 7, so that good contact and reliable connection are ensured after welding;
referring to fig. 3 to 4, the insulator is sleeved outside the signal pin and includes a first insulator 201 and a second insulator 202, the first insulator has a first hole 203 for the front end of the signal pin to pass through inside, the first insulator has a second step portion 204 outside, the second insulator has a second hole 205 for the tail end 102 of the signal pin to pass through inside, and the radius of the second hole 205 is smaller than the distance between the side wall of the first step portion 103 and the central axis of the signal pin and is larger than the radius of the first hole 203; the insulator is used for isolating the inner conductor and the shell of the 2M connector, plays an insulating role, and is matched and fixed with the signal pin through the second step part of the first insulator and the second insulator;
referring to fig. 1 and 5 to 6, the connecting piece includes a first connecting piece 301 and a second connecting piece 302, the first connecting piece is of a hollow structure, the first connecting piece has a third step 303 inside, the third step is matched with the second step, the first connecting piece has a fourth step 304 outside, the fourth step 304 is used for limiting the movable range of the movable connecting body, the tail end of the first connecting piece is in threaded connection with the front end of the second connecting piece, a stop piece 305 is arranged inside the front end of the second connecting piece, and the insulator is fixed through the third step and the stop piece; the first connecting piece plays a role in fixing the inner insulator and limiting the movable range of the external movable connecting body, and is matched with the 2M connector of the distribution cabinet when the 2M connector is connected with the distribution cabinet; the second connecting piece is matched with the first connecting piece (for example, in threaded connection) to realize the fixation of the internal insulator, and a fixing position of a fixing nut and an end cap is provided, so that the 2M joint is safer and more reliable; at least 2 grooves 306 are arranged on the periphery of the front end of the second connecting piece, and a support piece 307 matched with the grooves is integrally arranged on the periphery of the tail end of the second connecting piece, wherein the number of the grooves is preferably 2, the grooves are symmetrically arranged in a boss at the front end of the second connecting piece, and the opening of the groove faces to the tail end of the second connecting piece; the quantity of the branch piece equals with the recess, and the terminal integral type of branch piece is fixed tail end week side of second connecting piece, the front end is the free end orientation promptly the front end of second connecting piece to be connected with the recess cooperation.
Referring to fig. 1, the fixed pipe 4 is sleeved outside the tail end of the second connecting member; the fixing tube is used for uniformly pressing and fixing the shielding layer of the 2M data wire outside the tail end of the second connecting piece after the 2M data wire is manufactured, and plays a supporting role when the data wire is plugged and pulled out;
referring to fig. 1, the movable connector 5 is sleeved outside the first connector, and the end portion of the movable connector is bent inward and clamped on the fourth step portion of the first connector; the movable connector is inserted into a 2M connector of the digital distribution cabinet and connected with a 2M terminal of the comprehensive digital distribution cabinet to play a role in fixing. The 2M connectors are generally used in pairs, and for external equipment, one connector is used for receiving signals, and the other connector is used for transmitting signals, so that a complete channel is formed in a composite optical path to realize service propagation;
referring to fig. 1, the end cap 6 is sleeved on the outside of the second connecting member and the fixed tube, and is fixedly connected (e.g., screwed) with the second connecting member; the end cap is sleeved after the conductor of the 2M data line is screwed and the shielding layer is fixed, and has the effect of protecting the internal data line from short circuit after the 2M data line is manufactured. Moreover, because the second connecting piece is movably connected, in order to enable the front end and the tail end of the second connecting piece to be connected more firmly, the fifth step part 601 is arranged inside the end cap 6, the end cap is screwed up during fixing, namely, the end cap is abutted to the tail end of the second connecting piece, and the matching connection of the support piece and the groove of the second connecting piece is enhanced.
In the present invention, referring to fig. 6, a tapered portion 308 is disposed at the tail end of the second connecting member 301. The arrangement of the tapered part is beneficial to fixing the data wire and the second connecting piece, and when the shielding layer of the data wire is connected to the tail end of the second connecting piece in a laminating mode, the data wire is more easily fixed in a pressing mode; in addition, the external part of the tapered part can be provided with threads to improve the connection firmness of the data line and the joint and ensure that the data line is not easy to fall off.
In the invention, the movable connecting body 5 is provided with internal threads, the size of an opening at the end part is matched with a 2M joint of a digital distribution cabinet, and the two parts are connected through the internal threads.
In the invention, the front end of the end cap 6 is provided with internal threads which are matched and fixed with external threads arranged on the second connecting piece, thereby playing a role in protection.
In the invention, the signal needle, the connecting piece, the movable connecting body and the end cap are preferably made of red copper, and the red copper has good ductility, so that the parts are not easily damaged in the assembling process, and the manufacturing efficiency of the field 2M data line is improved. The fixing tube is preferably made of steel, and the 2M data line separated shield layer is laminated on the tail portion of the second connector to be fixed by the fixing tube when the data line is manufactured.
Referring to fig. 1 and 8, the manufacturing method of the split type 2M connector includes the following steps:
1) sequentially penetrating and fixing the signal pins in the second insulator and the first insulator;
2) the first insulator, the second insulator and the signal pin penetrate into a first connecting piece, a movable connecting body is sleeved on the outer portion of the first connecting piece, and the front end of the first connecting piece is fixed with the second connecting piece;
3) stripping an outer rubber layer of the 2M data line to be manufactured according to a certain length, separating the shielding layer from the insulating layer and exposing the wire core; sequentially enabling the 2M data line to be manufactured to pass through the end cap, the fixed pipe and the second connecting piece;
4) inserting the wire core into the signal needle, and welding and fixing the wire core by utilizing soldering tin and an electric soldering iron to align to the open slot;
5) connecting the tail end and the front end of the second connecting piece, uniformly covering the shielding layer of the 2M data wire on the tail end of the second connecting piece, sleeving the fixing pipe on the shielding layer, and screwing the end cap down to fixedly connect the end cap with the second connecting piece, thereby completing the manufacture of the 2M data wire;
6) inserting the completed 2M data line into a corresponding 2M connector in the digital distribution cabinet according to the requirement of a mode list so as to ensure that the connection is reliable; and (3) making a channel in a network management, configuring data to open the channel, debugging on site, carrying out short circuit on the 2M of the digital distribution cabinet, checking whether a near-end loop is normal, then connecting service equipment after switching, checking whether an optical machine has an alarm and the like, and if all the paths are normal, indicating that the loop has no problem.
Example 2
Referring to fig. 7, the split type 2M connector described in this embodiment is different from embodiment 1 in that:
the tail end of the signal pin 1 is provided with a chamfer part 105.
This chamfer portion makes the tail end of signal needle expand slightly than the front end, the 2M data line sinle silk of being convenient for insert, and is easily operated more.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A split type 2M connects which characterized in that: the signal probe comprises a signal probe, an insulator, a connecting piece, a fixed tube, a movable connecting body and an end cap, wherein one end of the signal probe is of a hollow structure and is used for a wire core of a 2M data wire to be inserted into, and the tail part of the hollow end of the signal probe is provided with an open slot; the insulator is sleeved outside the signal pin; the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is sleeved outside the insulator, the front end of the second connecting piece is fixed with the tail end of the first connecting piece, at least 2 grooves are formed in the periphery of the front end of the second connecting piece, and supporting pieces matched with the grooves are integrally arranged on the periphery of the tail end of the second connecting piece; the fixed pipe is sleeved outside the tail end of the second connecting piece; the movable connecting body is sleeved outside the first connecting piece; the end cap is sleeved outside the second connecting piece.
2. The split 2M joint of claim 1, wherein: the signal pin is provided with a first step part formed by protruding the outer surface of the signal pin; the insulator comprises a first insulator and a second insulator, wherein the first insulator is internally provided with a first hole for the signal pin to pass through, the first insulator is externally provided with a second step part, and the second insulator is internally provided with a second hole for the tail end of the signal pin to pass through; the first connecting piece is internally provided with a third step part matched with the second step part, the first connecting piece is externally provided with a fourth step part, the tail end of the first connecting piece is in threaded connection with the front end of the second connecting piece, the second connecting piece is internally provided with a stop part, and the insulator is fixed through the third step part and the stop part; the end part of the movable connector is bent inwards and clamped on the fourth step part; the end cap is fixedly connected with the second connecting piece.
3. The split 2M joint of claim 2, wherein: the movable connector is provided with internal threads, and the size of an opening at the end part is matched with a 2M joint of the digital distribution cabinet.
4. The split 2M fitting of claim 3, wherein: the front end of the end cap is provided with an internal thread which is connected with an external thread arranged on the second connecting piece.
5. The split 2M joint of claim 4, wherein: and a fifth step part is arranged inside the end cap.
6. The split 2M fitting of claim 5, wherein: the tail end of the second connecting piece is provided with a tapered part.
7. The split 2M fitting of claim 6, wherein: and the tail end of the signal pin is provided with a chamfer part.
8. The manufacturing method of the split type 2M joint according to any one of claims 2 to 7, characterized in that: the method comprises the following steps:
1) sequentially penetrating and fixing the signal pins in the second insulator and the first insulator;
2) penetrating the first insulator and the second insulator together with the signal pin into the first connecting piece, and sleeving the movable connecting body on the outer part of the first connecting piece;
3) stripping an outer rubber layer of the 2M data line to be manufactured according to a certain length, separating the shielding layer from the insulating layer and exposing the wire core; the 2M data line to be manufactured sequentially penetrates through the end cap, the fixed pipe and the second connecting piece;
4) inserting the wire core into the signal needle, and welding and fixing the wire core by utilizing soldering tin and an electric soldering iron to align to the open slot;
5) connecting the tail end of the first connecting piece with the front end of the second connecting piece, uniformly covering the shielding layer of the 2M data line on the tail end of the second connecting piece, sleeving the fixing pipe, screwing the end cap, and fixedly connecting the end cap with the second connecting piece to finish the manufacture of the 2M data line;
6) inserting the completed 2M data line into a corresponding 2M connector in the digital distribution cabinet according to the requirement of a mode list so as to ensure that the connection is reliable; and (3) making a channel in a network management, configuring data to open the channel, debugging on site, carrying out short circuit on the 2M of the digital distribution cabinet, checking whether a near-end loop is normal, then connecting service equipment, checking whether an optical machine alarms, and if all the circuits are normal, indicating that the loop has no problem.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710134476.8A CN106711657B (en) | 2017-03-08 | 2017-03-08 | Split type 2M connector and manufacturing method thereof |
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| CN201710134476.8A CN106711657B (en) | 2017-03-08 | 2017-03-08 | Split type 2M connector and manufacturing method thereof |
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| CN106711657B true CN106711657B (en) | 2022-07-05 |
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