CN101465492A - Network line crystal head - Google Patents

Abstract

The invention relates to the technical field of crystal heads, in particular to a network line crystal head.A second groove body for accommodating a terminal is formed on a rubber core, and a barb-shaped bayonet is formed on the second groove body on the front end surface of the rubber core; the terminal is "nearly" word shape, the terminal is installed in the second cell on gluey core, the shaping has the barb that matches with the bayonet socket shape on gluey core on the front end pole body of terminal, the top surface of the middle part pole body of terminal is the electric contact part, because the bayonet socket on gluey core of barb chucking on gluey core on the front end pole body of terminal, after assembling into network line crystal head, the terminal can tightly be fixed on gluey core, when network line crystal head uses under various environment, the terminal can not be lifted, also prevent terminal deformation, can prevent to appear contact failure or lose the phenomenon of contact between conductive terminal and the heart yearn, in addition, it has also restricted the deformation of gluey core, avoid appearing contact failure's phenomenon when network line crystal head docks with the female seat, stable quality, long service life.

Description

A network cable crystal head

Technical field:

The invention relates to the technical field of crystal heads, in particular to a network cable crystal head.

Background technique:

For the network cable crystal head with high transmission speed, because it has faster transmission speed, its structure is also different from the ordinary network cable crystal head. For example, the patent number is "200520004003.9", and the patent name is "high transmission A plug with a high transmission speed disclosed in the Chinese patent of "Plug with High Speed", which divides the plug shell into two sections. The position is configured to achieve the performance of the sixth type of communication standard. The rear section of the plug shell is simply to accommodate the network cable that has not been stripped to maintain the performance of the sixth type of communication standard that has been configured. The front end of the front part of the shell is inserted from above to the bottom, piercing the insulating outer layer of the twisted wire vertically, and electrically connected with the inner metal core wire, and the rear part of the plug shell is pressed into the wire pair by the rear fixing block to fix it. Although the network cable crystal head in this patent has the performance of high-speed transmission, after the network cable crystal head is used for a period of time, due to the influence of various factors, especially the influence of temperature and humidity, the network cable crystal head will produce certain Deformation, resulting in poor contact when the crystal head of the network cable is docked with the female socket; and more seriously, the deformation of the plug shell in the crystal head of the network cable will cause a certain arch on the upper end of the plug shell. Once the plug shell is arched It will affect the conductive terminal, which will make the conductive end also have a certain arch, so that the conductive terminal will rise a certain distance as a whole. At this time, there will be poor contact or loss of contact between the conductive terminal and the conductor in the core wire. As a result, the crystal head of the network cable has poor transmission, and the crystal head of the network cable cannot realize the function of high-speed transmission. At this time, the crystal head of the network cable can no longer be used, and only a new one can be replaced. Stable, the service life of the crystal head of the network cable is short.

Invention content:

The object of the present invention is to provide a crystal plug for network cables, which can prevent poor contact between conductive terminals and core wires. The crystal plug for network cables has stable quality and long service life.

To achieve the above object, the present invention is achieved through the following technical solutions:

A network cable crystal head, which includes a crystal head body, a rubber core, a wire rubber plug and a cable rubber plug, the upper end surface of the crystal head body is provided with a shrapnel, and the lower end surface of the crystal head body is provided with an electrical contact portion for terminals The exposed first groove body, the rubber core and the wire rubber plug are assembled in the main body of the crystal head; the rubber core is provided with a second groove body for accommodating terminals, and the second groove body on the front surface of the rubber core is provided with a bayonet; The terminal is in the shape of "Ji", and the terminal is installed in the second groove on the rubber core. The front end shaft of the terminal is formed with a barb that matches the shape of the bayonet on the rubber core. The top surface of the middle shaft of the terminal is In the electrical contact part, the rear end of the rubber core is provided with a cavity for accommodating the cable rubber plug, the second groove extends into the cavity, and the rear end shaft of the terminal is placed in the second cavity in the cavity. In the groove body, there are upright piercing fangs formed on the rear end of the terminal, the tail of the cable plug is buckled to the front end of the wire plug, and the head of the cable plug is buckled to the hollow of the rubber core. cavity.

A wire groove for accommodating the core wire is arranged on the cable-displacement rubber plug, and when the wire-displacement rubber plug is assembled on the rubber core, the opening of the wire groove on the wire-displacement rubber plug faces the fangs.

The cable rubber plug is provided with positioning holes for the core wire to pass through, and the side of the cable rubber plug facing the fangs is provided with through grooves corresponding to each terminal one by one, and the through grooves are respectively connected to the corresponding positioning holes.

The front ends of the terminals are connected to a strip that can be snapped off.

There are three fangs on the shaft at the rear end of the terminal, the fangs are pyramids, and the three fangs form a "V"-shaped core wire clamping frame on the vertical projection plane.

There is a twisted portion on the rear shaft of the terminal, the twisted portion is located at the front end of the fang, and the rear shaft of the terminal is twisted 90 degrees relative to the middle shaft of the terminal.

The two inner sides of the cavity of the rubber core are respectively provided with positioning grooves and buckle feet. After the cable rubber plug is loaded on the rubber core from bottom to bottom, the front end of the cable rubber plug is inserted into the positioning groove, and the cable The upper end surfaces on both sides of the rubber plug are respectively buckled by buckle feet on the rubber core.

At least two large wire grooves are formed on one surface of the wire rubber plug for placing the core wire and guiding the core wire to the wire-arranging rubber plug. The two sides of the wire rubber plug are respectively provided with buckle joints, and the wire-arranging rubber plug The buckle pins are respectively extended backward on both sides of the rubber plug. When the cable rubber plug is assembled on the front end of the wire rubber plug, the buckle pins on both sides of the cable rubber plug are respectively buckled and matched with the buckle joints on both sides of the wire rubber plug.

The two sides of the rubber core are provided with protruding clamping feet, and the two sides of the crystal head body are respectively provided with buttonholes and guide grooves. When the rubber core is assembled in the crystal head body, the clamping feet on both sides of the rubber core are respectively connected to the crystal The guide grooves on both sides of the main body of the head are positioned and matched, and the clamping feet on both sides of the rubber core are respectively buckled and matched with the buttonholes on both sides of the main body of the crystal head.

The crystal head also includes a shell, which is sheathed outside the crystal head main body; the shell is respectively extended to the inner direction on both sides of the front end of the upper end surface, and the crystal head main body is respectively provided with corresponding After the shell is sleeved outside the main body of the crystal head, the buckle ears on both sides of the front end of the shell are respectively buckled and matched with the buckles on both sides of the front end of the crystal head body.

Beneficial effects of the present invention: the rubber core of the present invention is provided with a second groove body for accommodating terminals, and the second groove body on the front surface of the rubber core is provided with a barb-shaped bayonet; the terminal is in the shape of a "ji", The terminal is installed in the second groove on the rubber core. The front end shaft of the terminal is formed with a barb that matches the bayonet shape on the rubber core. The top surface of the middle shaft of the terminal is the electrical contact part. Because the front end of the terminal The barb on the shaft is fastened to the bayonet on the rubber core. After being assembled into a network cable crystal head, the terminal can be tightly fixed on the rubber core. When the network cable crystal head is used in various environments, the terminal will not It is lifted to prevent the deformation of the terminal, which can prevent poor contact or loss of contact between the conductive terminal and the core wire. In addition, it also limits the deformation of the rubber core to avoid contact when the network cable crystal head is docked with the female socket. Bad phenomenon, the quality of the crystal head of the network cable is stable, and the service life of the crystal head of the network cable is long.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the exploded schematic view of the present invention;

Accompanying drawing 3 is the structural representation of crystal head main body of the present invention;

Accompanying drawing 4 is the structural representation of the terminal that is connected on the strip of the present invention;

Accompanying drawing 5 is the structure schematic diagram that the terminal of the present invention is assembled on the rubber core;

Accompanying drawing 6 is the front view of accompanying drawing 5;

Accompanying drawing 7 is the back view of accompanying drawing 5;

Accompanying drawing 8 is the structure schematic diagram of the rubber plug of the present invention;

Accompanying drawing 9 is the structure schematic diagram of the assembled cable rubber plug and wire rubber plug of the present invention;

Accompanying drawing 10 is the front view of accompanying drawing 9;

Accompanying drawing 11 is the rear view of accompanying drawing 9;

Accompanying drawing 12 is the top view of accompanying drawing 9;

Accompanying drawing 13 is the bottom view of accompanying drawing 9;

Accompanying drawing 14 is the structure schematic diagram after assembly of lead wire rubber plug, flat cable rubber plug and rubber core assembled with terminal;

Accompanying drawing 15 is the front view of accompanying drawing 14;

Accompanying drawing 16 is the structural schematic view of the wire rubber plug, the cable rubber plug and the rubber core assembled in the main body of the crystal head.

Detailed ways:

The network cable crystal head is shown in attached drawings 1 to 16. It includes a crystal head body 1, a rubber core 2, a wire rubber plug 3 and a cable rubber plug 10. The upper end of the crystal head body 1 is provided with a shrapnel 4, and the crystal head body 1 There is a first groove body 6 for exposing the electrical contact portion of the terminal 5 on the lower end surface of the bottom surface, and the rubber core 2 , the cable rubber plug 10 and the wire rubber plug 3 are all assembled in the crystal plug body 1 .

The rubber core 2 is provided with a second groove 7 for accommodating the terminal 5 , and the second groove 7 on the front end of the rubber core 2 is provided with a barb-shaped bayonet 8 . The terminal 5 is in the shape of "几". The terminal 5 is installed in the second groove body 7 on the rubber core 2. The front shaft of the terminal 5 is perpendicular to the middle shaft of the terminal 5. The front shaft of the terminal 5 is formed with a The shape of the bayonet 8 on the rubber core 2 is matched with the barb 9 , and the top surface of the middle shaft of the terminal 5 is an electrical contact part. After the terminal 5 is assembled on the rubber core 2, the barb 9 on the terminal 5 is snapped into the bayonet 8 on the second groove body 7 on the front surface of the rubber core 2, and it will tighten the front end of the terminal 5 on the rubber core. Core 2, so as to avoid the phenomenon that the middle part of the terminal 5 is lifted, and the terminal 5 will not be lifted, preventing the deformation of the terminal 5, and effectively preventing the poor contact between the terminal 5 and the conductor in the core wire. At the same time, it also limits the deformation of the rubber core 2, avoids the phenomenon of poor contact when the network cable crystal head is docked with the female socket, improves the quality of the network cable crystal head, and prolongs the service life of the network cable crystal head.

In this embodiment, the shape of the bayonet 8 and the barb 9 are both inverted triangles, which have a simple structure and can effectively tighten the terminal 5 on the rubber core 2. Of course, the bayonet 8 and the barb The shape of 9 can also be other shapes, such as: circle, ellipse, square, polygon, trapezoid or irregular shape, as long as the front end of terminal 5 can be tightened on the rubber core.

One surface of the wire rubber plug 3 is formed with three large wire grooves 19 for placing the core wires and guiding the core wires to the cable rubber plug 10. The core wires can be divided into three strands in advance through the large wire grooves 19, which is convenient for core wires The arrangement of the wires also facilitates passing or pressing each core wire into a corresponding position in the cable-arraying rubber plug 10 .

The network cable crystal head also includes a cable rubber plug 10 for positioning the core wire. The rear end of the rubber core 2 is provided with a cavity 11 for accommodating the cable rubber plug 10. The second groove body 7 extends Into the cavity 11 , the rear shaft of the terminal 5 is placed in the second groove 7 in the cavity 11 , and the rear shaft of the terminal 5 is formed with upright piercing fangs 12 .

The two sides of the wire rubber plug 3 are respectively provided with buckle joints 20, and the two sides of the cable rubber plug 10 respectively extend backward with buckle pins 21. When the cable rubber plug 10 is assembled on the front end of the wire rubber plug 3, the cable The buckle pins 21 on both sides of the rubber plug 10 are buckled and matched with the buckle joints 20 on both sides of the wire rubber plug 3 , so that the tail of the cable rubber plug 10 is buckled to the front end of the wire rubber plug 3 . After the lead wire rubber plug 3 and the cable arrangement rubber plug 10 are buckled and fixed, the lead wire rubber plug 3 and the cable arrangement rubber plug 10 jointly position the core wire and fix the core wire.

The two inner sides of the cavity 11 of the rubber core 2 are respectively provided with positioning grooves 17 and buckle feet 18. After the rubber plug 10 is loaded on the rubber core 2 from bottom to bottom, the front end of the rubber plug 10 is Inserted into the positioning groove 17, the upper end surfaces on both sides of the cable rubber plug 10 are buckled by the buckle pins 18 on the rubber core 2, so that the head of the cable rubber plug 10 is fastened to the cavity 11 of the rubber core 2 middle.

The cable rubber plug 10 is provided with a positioning hole 13 for the core wire to pass through, and the side of the cable rubber plug 10 facing the fangs 12 is provided with through grooves 14 corresponding to each terminal 5 one by one, and the through grooves 14 are respectively connected to each other. For the corresponding positioning holes 13, there is no partition between the adjacent positioning holes 13, and the adjacent positioning holes 13 are connected. Lines are arranged and positioned. Of course, partitions can also be provided between adjacent positioning holes 13, and each positioning hole 13 is independent, and adjacent positioning holes 13 are not connected, which can also arrange and position the core wires.

There are eight positioning holes 13 and through grooves 14 on the cable rubber plug 10 respectively, the eight positioning holes 13 are arranged in a row horizontally, and the eight through grooves 14 communicate with the corresponding positioning holes 13 respectively. When assembling the crystal head of the network cable, the core wire is placed in the corresponding positioning hole 13. When the cable rubber plug 10 is assembled on the rubber core 2, the through groove 14 on the cable rubber plug 10 faces the fangs 12, and the fangs 12 is inserted into the corresponding through groove 14 on the cable rubber plug 10. After the cable rubber plug 10 is pressed into the cavity 11 of the rubber core 2, the fangs 12 are further inserted into the positioning hole 13 and pierced for positioning. The core wire in the hole 13 realizes the electrical connection between the terminal 5 and the core wire through the piercing fangs 12 .

Since the electrical connection between the terminal 5 and the core wire is realized by piercing, and when piercing, it is only necessary to press the cable rubber plug 10 into the cavity 11 of the rubber core 2, the piercing process is convenient and fast, and the wiring The rubber plug 10 has a relatively large force application surface, and the force can be easily applied through the rubber plug 10 of the cable, and the rubber plug 10 of the cable can be pressed into the cavity 11 of the rubber core 2 by manual pressure, and then The fangs 12 on the rubber core 2 pierce the core wire in the cable plug 10. No special fixtures or tools are needed in the piercing process, and professional workers are not required to assemble it. The assembly of the network cable crystal head is very easy. Simple and convenient, it can be assembled by hand.

The front ends of the terminals 5 are connected to a strip 15 that can be snapped off. Since each terminal 5 is fixed by the material strip 15, when the terminal 5 is assembled in the second groove body 7 of the rubber core 2, it is not necessary to load the terminals 5 into the second groove one by one, and the present invention can place eight terminals at one time. A terminal 5 is loaded into the second groove body 7, and the assembly work of the terminal 5 is more convenient and quicker. Since the material strip 15 can be broken off, after completing the assembly work of the terminal 5 or before the rubber core 2 is assembled into the crystal head main body 1, the material strip 15 can be broken off, and the breaking of the material strip 15 There is no need for special fixtures or tools, and it can be broken by hand, which makes the assembly work very convenient and quick.

The present invention can provide consumers with crystal head main body 1, rubber core 2, cable rubber plug 10, wire rubber plug 3 and terminal 5 connected by material tape 15. The above-mentioned components are not assembled. Each part of the crystal head is very simple, the network cable crystal head can be assembled by consumers themselves, no jigs or tools are needed in the assembly process, the assembly work can be done by hand, the assembly is convenient and quick, therefore, the present invention can also be used as a A "DIY" (abbreviation for Do It Yourself in English) products.

There are three fangs 12 on the rear shaft of the terminal 5, the fangs 12 are pyramids, and the three fangs 12 form a "V"-shaped core wire clamping frame on the vertical projection plane. The fangs 12 have a high structural strength. The fangs 12 are strong and powerful when piercing the core wire. The fangs 12 are not easy to skew, and the fangs 12 are not easy to be bent or broken. bigger. It should be noted that after the piercing process, the conductor in the core wire is clamped and pressed by three fangs 12, and the deeper the fangs 12 penetrate into the core wire, the conductor in the core wire is clamped by the three fangs 12. The position closer to the bottom of the "V"-shaped core wire clamping frame has a larger cross-sectional area of the canines 12, and the clamping force of the canines 12 on the conductor is also greater. Therefore, the depth of the canines 12 piercing the core wire The deeper the fangs 12 clamp the conductor in the core wire, the tighter it is to ensure that the conductor will not come out, ensure that the conductor in the core wire is in close contact with the terminal 5, and ensure the reliability of the electrical connection.

More importantly: the inner surface of the canine 12 is an arc surface, therefore, when the canine 12 pierces the core wire and contacts the conductor in the core wire, the contact between the canine 12 and the conductor is a curved surface. , the contact between the tines 12 and the conductors in the core wire is surface contact, and there are three contact surfaces between the tines 12 and the conductors in the core wire, and the contact surfaces between the tines 12 and the conductors in the core wire If it is large, it can greatly reduce the electrical impedance between the fangs 12 and the conductor in the core wire, and improve the performance of all aspects of the crystal head of the network cable, especially the data transmission performance and high frequency characteristics. Special attention should be paid to: the deeper the fang 12 penetrates into the core wire, the larger the contact surface between the cusp 12 and the conductor in the core wire, and the smaller the electrical impedance between the cusp 12 and the conductor in the core wire , The better the performance of the network cable crystal head in all aspects.

There is a torsion portion 16 on the rear shaft of the terminal 5, and the torsion portion 16 is located at the front end of the fang 12. The rear shaft of the terminal 5 is twisted 90 degrees relative to the middle shaft of the terminal 5. On the one hand, it increases the structural strength of the terminal 5, and on the other hand, it also makes the production of the terminal 5 easier to realize.

Both sides of the rubber core 2 are provided with outwardly protruding clamp feet 22, and both sides of the crystal head body 1 are respectively provided with buttonholes 23 and guide grooves 24. When the rubber core 2 is assembled in the crystal head body 1, the rubber core 2 The clamping feet 22 on both sides are respectively positioned and matched with the guide grooves 24 on both sides of the main body of the crystal head 1 , and the clamping feet 22 on both sides of the rubber core 2 are buckled and matched with the buttonholes 23 on both sides of the main body of the crystal head 1 respectively.

Described crystal plug also comprises a shell 25, and shell 25 is set outside crystal plug main body 1; Corresponding buckle positions 27 are respectively arranged on both sides. After the shell 25 is sleeved outside the crystal head main body 1, the buckle ears 26 on both sides of the front end of the shell 25 are buckled and matched with the buckle positions 27 on both sides of the front end of the crystal head body 1 respectively.

Of course, as for the cable-aligning rubber plug 10 , other structures can also be used on the cable-aligning rubber plug 10 to arrange and position the core wires, and provide a communication space for the fangs 12 to penetrate into the core wires. For example, there are eight wire grooves for accommodating the core wires on the cable plug 10, and the eight wire grooves are arranged in a row horizontally. When assembling the network cable crystal head, the core wires are placed on the corresponding line In the groove, when the cable rubber plug 10 is assembled on the rubber core 2, the opening of the wire groove on the cable rubber plug 10 faces the fangs 12, and the fangs 12 are inserted into the corresponding wire grooves on the cable rubber plug 10. After the cable rubber plug 10 is pressed into the cavity 11 of the rubber core 2 , the tines 12 further pierce the core wire in the wire slot, and the electrical connection between the terminal 5 and the core wire is realized through the piercing tines 12 .

The above are only preferred embodiments of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (10)

1, a kind of network line crystal head, it comprises crystal head main body (1), glue core (2), lead plug (3) and winding displacement plug (10), the upper surface of crystal head main body (1) is provided with a shell fragment (4), the lower surface of crystal head main body (1) offers first cell body (6) that comes out of electrical contacts for terminal (5), and glue core (2) and lead plug (3) are assembled in the crystal head main body (1); Offer second cell body (7) that is used to accommodate terminal (5) on the glue core (2), it is characterized in that: offer bayonet socket (8) on second cell body (7) of glue core (2) front end face; Terminal (5) is " several " word shape, terminal (5) is installed in second cell body (7) on the glue core (2), form on the front end shaft of terminal (5) with glue core (2) on the barb (9) of bayonet socket (8) form fit, the end face of the middle part shaft of terminal (5) is an electrical contacts, the rear end of glue core (2) offers a cavity (11) that is used for ccontaining winding displacement plug (10), second cell body (7) extends in this cavity (11), the rear end shaft of terminal (5) places second cell body (7) in this cavity (11), forms the canine tooth (12) of upright puncture type on the rear end shaft of terminal (5); The afterbody of winding displacement plug (10) snaps onto the front end of lead plug (3), and the head of winding displacement plug (10) snaps onto in the cavity (11) of glue core (2).

2, a kind of network line crystal head of stating according to claim 1, it is characterized in that: described winding displacement plug (10) is provided with the wire casing that is used for ccontaining heart yearn, and the opening of the wire casing when winding displacement plug (10) is assembled on the glue core (2) on the winding displacement plug (10) is towards canine tooth (12).

3, a kind of network line crystal head according to claim 1, it is characterized in that: described winding displacement plug (10) is provided with the location hole (13) that passes for heart yearn, winding displacement plug (10) offers and each terminal (5) groove (14) one to one towards the one side of canine tooth (12), and groove (14) is communicated with corresponding location hole (13) respectively.

4, according to each described a kind of network line crystal head of claim 1 to 3, it is characterized in that: the front end of described terminal (5) is connected on the strip that can be fractureed out (15).

5, a kind of network line crystal head according to claim 4, it is characterized in that: the canine tooth (12) on the rear end shaft of described terminal (5) has three, canine tooth (12) is a pyramid, and three canine teeth (12) form the heart yearn holding frame of " V " shape on vertical plane.

6, a kind of network line crystal head according to claim 5, it is characterized in that: a torsional part (16) is arranged on the rear end shaft of described terminal (5), torsional part (16) is positioned at the front position of canine tooth (12), and the middle part shaft of the relative terminal of rear end shaft (5) of terminal (5) is turned round and turn 90 degrees.

7, a kind of network line crystal head according to claim 6, it is characterized in that: be respectively arranged with location notch (17) on two medial surfaces of the cavity (11) of described glue core (2) and buckle pin (18), winding displacement plug (10) is after down be encased on the glue core (2) down, winding displacement plug (10) front end is inserted in the location notch (17), and the upper surface of winding displacement plug (10) both sides is fastened by the pin (18) of buckleing on the glue core (2) respectively.

8, a kind of network line crystal head according to claim 7, it is characterized in that: the big wire casing (19) that at least two of moulding are used to place heart yearn and heart yearn are guided to winding displacement plug (10) on the surface of described lead plug (3), the both sides of lead plug (3) are respectively arranged with snapping position (20), the both sides of winding displacement plug (10) extend back snapping pin (21) respectively, and the snapping pin (21) of winding displacement plug (10) both sides was fastened with the snapping position (20) of lead plug (3) both sides respectively when winding displacement plug (10) was assembled in lead plug (3) front end.

9, a kind of network line crystal head according to claim 8, it is characterized in that: the both sides of described glue core (2) are provided with the card base (22) of outside protrusion, the both sides of crystal head main body (1) are respectively arranged with buttonhole (23) and gathering sill (24), the card base (22) that glue core (2) is assembled in crystal head main body (1) glue core (2) both sides when interior cooperates with gathering sill (24) location of crystal head main body (1) both sides respectively, and the card base (22) of glue core (2) both sides is fastened with the buttonhole (23) of crystal head main body (1) both sides respectively.

10, a kind of network line crystal head according to claim 9 is characterized in that: described crystal head also comprises a shell (25), and shell (25) is sheathed on outside the crystal head main body (1); Shell (25) in the front end both sides of upper surface respectively to the inside direction extend buckle ear (26), crystal head main body (1) is respectively arranged with corresponding button bit (27) in the front end both sides of upper surface, after outside shell (25) is sheathed on crystal head main body (1), the buckle ear (26) of shell (25) front end both sides is fastened with the button bit (27) of crystal head main body (1) front end both sides respectively.

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