CN211296739U - Trillion coaxial access system - Google Patents
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- CN211296739U CN211296739U CN202020169611.XU CN202020169611U CN211296739U CN 211296739 U CN211296739 U CN 211296739U CN 202020169611 U CN202020169611 U CN 202020169611U CN 211296739 U CN211296739 U CN 211296739U
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Abstract
The utility model provides a ten thousand million coaxial access systems. In the gigabit coaxial access system, a local side adopts a gigabit uplink optical port switch and a switch chip with multiple gigabit ports, each gigabit port is connected with a MODEM, and then gigabit standard Ethernet signals are converted into radio frequency signals (with the effective data rate of 800 Mbps) with the frequency band of 5-106MHz, and the radio frequency signals are output to a standard 75 omega cable television coaxial cable through adaptation and transmitted to a user family; the tera coaxial access system comprises a coaxial cable broadband access device and EOC terminal equipment which are connected with each other, wherein the coaxial cable broadband access device comprises an Ethernet cable physical layer transceiving unit, a modulation and demodulation body and a coupler. By burning the network management program into the network management software management configuration unit, the digital signals can be managed, isolated by terminal users and divided into multi-service virtual local area networks through software configuration, thereby realizing the fine management of services, realizing the controllable signal transmission and effectively optimizing the resource configuration.
Description
Technical Field
The utility model relates to a coaxial broadband multi-service access network field especially relates to a ten thousand million coaxial access systems.
Background
At present, the application of communication systems has been developed dramatically, digital technology and network technology have been popularized and applied, and with the introduction of broadband internet services such as IPTV, HDTV, VOIP, etc., users have increasingly vigorous broadband access requirements for multimedia communications such as data, voice, image, etc., and the trend of "three networks integration" is more and more obvious.
The data shows that the investment of subscriber line is 40% -50% of the investment of whole access network, if the existing network can be used to realize the broadband network access, then the laying of new communication network with high cost can be avoided. A cable television network (CATV) is one of the most widely covered networks, and has the characteristics of wide frequency band, rich resources and the like, and a CATV fiber/coaxial hybrid network is also one of the infrastructures of future information highways, and if the CATV fiber/coaxial hybrid network can be modified to realize the connection between a user and a communication transmission network, an economical and efficient broadband access service is inevitably provided for the user. Thus, the cable television network is bidirectionally reformed, and a profitable operator-level broadband cable home-entry scheme is provided for the next generation broadcast Network (NGB).
At present, the more mature bidirectional transformation technologies mainly include: CMTS + CM, passive EOC technology, active EOC technology.
1) CMTS + CM, i.e., cable modem technology. Wherein the CMTS is a core and adopts a DOCSIS protocol of the International telecommunication Union; the user terminal CM is connected with Internet through CMTS, and can realize IP telephone, video on demand and other functions in cable TV network. The technical development is mature, and the main technical defects of the technology are that a bus type network topological structure is adopted, the data transmission is unstable due to the bandwidth shared by users, and the application scale of the technology in China is limited due to the funnel effect of the convergent noise.
(2) Passive EOC techniques. The passive EOC refers to an Ethernet transmission technology based on coaxial cables and adopting passive devices. It adopts base band coding mode, only converts the bipolar signal used for twisted pair transmission into unipolar signal convenient for coaxial cable transmission. The passive EOC technology isolates the noise of a user side by placing an access network bridge at the head end of a corridor, thereby solving the most common and difficult problem of the cable television network, namely funnel noise. However, the passive EOC is only suitable for point-to-point topology and cannot support cable tv networks with scattered subscriber distribution.
(3) Active EOC techniques. The current active modulation EOC technology is different according to different modulation modes and working frequency bands, and mainly comprises a Home-Plug technology: in the frequency band below 30MHz, the broadband technology is realized by utilizing an OFDM physical layer of power line networking and an MAC layer of 802.3. Secondly, Home-PNA technology: this is a home networking technology used on telephone lines, and its 3.0 version also extends coaxial cables to one of its carriers, using a frequency band also at the low frequency end.
The gigabit coaxial access system has the main functions of converting upper gigabit Ethernet data into data signals conforming to the G.hn and G.fast standards, transmitting the data signals to a user family through a coaxial cable, and converting the coaxial data signals conforming to the G.hn and G.fast standards into standard 10/100/1000 gigabit Ethernet through terminal equipment placed in the user family. A complete tera coaxial access system is a point-to-point or point-to-multipoint structure consisting of a local side with multiple paths of MODEMs and the MODEMs for placing one or more terminals of a user family, and performs data transmission at 800 Mbps. The number of coaxial ports of the office side is generally 12 or 14, and the maximum transmission bandwidth of the office side reaches 10 Gbps.
In a gigabit coaxial access system, a modem used in the system is usually provided with an interface, and an idle connector is exposed to the outside and easily receives dust.
Therefore, there is a need to provide a gigabit coaxial access system to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ten thousand million coaxial access systems has solved and has exposed the dust that gets into easily outside to idle joint on the current modem to through connection backs such as net twine, can not fix the net twine, the easy not hard up problem.
In order to solve the above technical problem, the utility model provides a ten thousand million coaxial access systems, include:
the local side adopts a ten-gigabit uplink optical port switch and a switch chip with multiple kilomega ports, each kilomega port is connected with the MODEM, and then kilomega standard Ethernet signals are converted into radio frequency signals with the frequency band of 5-106MHz, and the radio frequency signals are output to a standard 75 omega cable television coaxial cable through adaptation and transmitted to a user family; the tera coaxial access system comprises a coaxial cable broadband access device and EOC terminal equipment which are connected with each other;
the coaxial cable broadband access device comprises an Ethernet cable physical layer transceiving unit, a modulation and demodulation body and a coupler; the Ethernet cable physical layer transceiver unit, the modem body and the coupler are connected in sequence; the Ethernet line physical layer transceiver unit is connected with the Ethernet line through an Ethernet line interface, the coupler is connected with the coaxial cable through a coaxial cable interface, and the Ethernet line physical layer transceiver unit comprises a network management software management configuration unit which is respectively connected with the Ethernet line physical layer transceiver unit and a modulation and demodulation body and is used for managing and configuring signals received by the Ethernet line physical layer transceiver unit or the modulation and demodulation body and dividing a multi-service virtual local area network;
the EOC terminal equipment comprises an EOC module, a WIFI module and a power module, wherein the power module is respectively connected with the EOC module and the WIFI module, and the WIFI module is connected with an external EOC network through the EOC module; the EOC module is respectively connected with the coaxial cable and the organic digital set top box.
The EOC module comprises an EOC chip set and an Ethernet exchange chip, the EOC chip set is connected between the external EOC network and the Ethernet exchange chip, and the EOC chip completes the main functions of: carrying out system control; managing the operation and state response of each path of MODEM; upgrading programs and assisting debugging programs; integrating a network management embedded platform; integrating automatic network performance diagnosis and operation maintenance internal negotiation management platform; the Ethernet switching chip is connected with the WIFI module.
The EOC chip set is connected with the Ethernet exchange chip through a bus; the Ethernet exchange chip is provided with an Ethernet physical layer, the WIFI module is connected with the Ethernet exchange chip through the Ethernet physical layer, the EOC chipset comprises a main control chip and a radio frequency chip, the radio frequency chip is connected with the main control chip, and the radio frequency chip is also connected with the external EOC network.
The WIFI module comprises a WIFI chip, a signal amplification chip and an antenna unit, and the antenna unit is connected with the WIFI chip through the signal amplification chip; the antenna unit is a two-way monopole antenna, the two-way monopole antenna is respectively connected with the WIFI chip through two signal amplification chips, the modulation and demodulation body comprises a digital-to-analog conversion unit and a signal amplification unit, and the digital-to-analog conversion unit is respectively connected with the network management software management configuration unit and the signal amplification unit.
The utility model also provides a ten thousand million coaxial access systems, include electrical components, ten thousand million coaxial access systems still include: a modem;
the sealing plate is fixed on one side of the modem, which is provided with an interface;
the socket is arranged on the sealing plate and corresponds to the interface;
the two sealing cloths are respectively fixed at the top and the bottom of the inner surface of the socket, and one sides of the two sealing cloths, which are opposite to each other, are respectively and fixedly connected with a first connecting block and a second connecting block;
the two mounting grooves are respectively communicated with two sides of the inner surface of the socket;
the sliding rod is fixed between the top and the bottom of the inner surface of the mounting groove, two sides of the first connecting block and two sides of the second connecting block are respectively sleeved on the surface of the sliding rod, and elastic parts are fixedly connected to the surface of the sliding rod, the surface of the sliding rod is respectively positioned on the upper side of the first connecting block and the lower side of the second connecting block;
the driving rope is fixed at one end of the driving rope at the bottom of the second connecting block, and the other end of the driving rope is fixedly connected with the bottom of the first connecting block through a pulley.
By arranging the sealing plate, the socket is arranged at the position corresponding to the interface for inserting the wire, and the sealing cloth is arranged in the socket, the idle interface can be sealed, dust is prevented from entering, and the service life is prolonged;
and after the connecting wire is spliced with the interface, the connection limiting joint is limited through the first connecting block and the second connecting block, so that the connecting wire is prevented from loosening in the using process.
Preferably, the pulley is fixed in the bottom of mounting groove inner wall, the through-hole has all been seted up to the both sides of second connecting block, the one end of drive rope pass through the through-hole with the bottom fixed connection of first connecting block.
Preferably, the driving block is fixedly connected to the middle of the front face of the first connecting block, the sealing cloth is provided with the convex folding transverse part and the concave folding transverse part in a staggered mode, and an adhesive tape is bonded to one side of the sealing plate.
Compared with the prior art, the utility model provides a ten thousand million coaxial access systems have following beneficial effect:
the utility model provides a ten thousand million coaxial access systems, through setting up EOC module, WIFI module and power module, power module connects respectively EOC module and WIFI module, the WIFI module passes through the EOC module connect outside EOC network. By utilizing the EOC terminal equipment, a wireless local area network can be conveniently constructed by utilizing the WIFI function of the EOC terminal equipment. Compared with the prior art, the application method of constructing the wireless local area network by arranging the network cables is utilized, the network cables do not need to be arranged by utilizing the EOC terminal equipment of the utility model, so the use is more flexible, the installation is simple and convenient, the network planning and adjustment are easy to carry out, the expansion and fault location are easy, and the cost of the EOC terminal equipment realizing the WIFI function is low, and the application range is wide;
the network management program is written into the network management software management configuration unit, and the digital signals can be managed, isolated by terminal users and divided into multi-service virtual local area networks through software configuration, so that the fine management of services is realized, the signal transmission is controllable, and the resource configuration is effectively optimized.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a tera coaxial access system provided by the present invention;
fig. 2 is a schematic diagram of the overall architecture of a gigabit coaxial access system;
fig. 3 is a schematic diagram of the overall architecture of a gigabit coaxial access system;
fig. 4 is a schematic diagram of the overall architecture of a gigabit coaxial access system;
fig. 5 is a schematic diagram of the overall architecture of a gigabit coaxial access system;
fig. 6 is a schematic diagram of the overall circuit connection layout of the gigabit coaxial access system;
fig. 7 is a schematic structural diagram of a second embodiment of the tera coaxial access system provided by the present invention;
fig. 8 is a schematic diagram of the overall circuit connection layout of a gigabit coaxial access system;
fig. 9 is a schematic diagram of the overall circuit connection layout of a gigabit coaxial access system;
fig. 10 is a schematic diagram of the overall circuit connection layout of a gigabit coaxial access system;
fig. 11 is a schematic diagram of the overall circuit connection layout of the gigabit coaxial access system.
Reference numbers in the figures: 1. modem, 2, sealing plate, 3, socket, 4, first connecting block, 5, second connecting block, 6, sealing cloth, 7, driving block, 8, slide bar, 9, elastic component, 10, pulley, 11, mounting groove, 12, driving rope, 13, through hole, 14, adhesive tape, 15, convex folding horizontal, 16, concave folding horizontal.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a gigabit coaxial access system according to a first embodiment of the present invention; fig. 2 is a schematic diagram of the overall architecture of a gigabit coaxial access system; fig. 3 is a schematic diagram of the overall architecture of a gigabit coaxial access system; fig. 4 is a schematic diagram of the overall architecture of a gigabit coaxial access system; fig. 5 is a schematic diagram of the overall architecture of a gigabit coaxial access system; fig. 6 is a schematic diagram of the overall circuit connection layout of the gigabit coaxial access system. The trillion coaxial access system comprises:
the local side adopts a ten-gigabit uplink optical port switch and a switch chip with multiple kilomega ports, each kilomega port is connected with the MODEM, and then kilomega standard Ethernet signals are converted into radio frequency signals with the frequency band of 5-106MHz, and the radio frequency signals are output to a standard 75 omega cable television coaxial cable through adaptation and transmitted to a user family; the tera coaxial access system comprises a coaxial cable broadband access device and EOC terminal equipment which are connected with each other;
the coaxial cable broadband access device comprises an Ethernet cable physical layer transceiving unit, a modulation and demodulation body and a coupler; the Ethernet cable physical layer transceiver unit, the modem body and the coupler are connected in sequence; the Ethernet line physical layer transceiver unit is connected with the Ethernet line through an Ethernet line interface, the coupler is connected with the coaxial cable through a coaxial cable interface, and the Ethernet line physical layer transceiver unit comprises a network management software management configuration unit which is respectively connected with the Ethernet line physical layer transceiver unit and a modulation and demodulation body and is used for managing and configuring signals received by the Ethernet line physical layer transceiver unit or the modulation and demodulation body and dividing a multi-service virtual local area network;
the EOC terminal equipment comprises an EOC module, a WIFI module and a power module, wherein the power module is respectively connected with the EOC module and the WIFI module, and the WIFI module is connected with an external EOC network through the EOC module; the EOC module is respectively connected with the coaxial cable and the organic digital set top box.
The EOC module comprises an EOC chip set and an Ethernet exchange chip, the EOC chip set is connected between the external EOC network and the Ethernet exchange chip, and the EOC chip completes the main functions of: carrying out system control; managing the operation and state response of each path of MODEM; upgrading programs and assisting debugging programs; integrating a network management embedded platform; integrating automatic network performance diagnosis and operation maintenance internal negotiation management platform; the Ethernet switching chip is connected with the WIFI module.
The EOC chip set is connected with the Ethernet exchange chip through a bus; the Ethernet exchange chip is provided with an Ethernet physical layer, the WIFI module is connected with the Ethernet exchange chip through the Ethernet physical layer, the EOC chipset comprises a main control chip and a radio frequency chip, the radio frequency chip is connected with the main control chip, and the radio frequency chip is also connected with the external EOC network.
The WIFI module comprises a WIFI chip, a signal amplification chip and an antenna unit, and the antenna unit is connected with the WIFI chip through the signal amplification chip; the antenna unit is a two-way monopole antenna, the two-way monopole antenna is respectively connected with the WIFI chip through two signal amplification chips, the modulation and demodulation body comprises a digital-to-analog conversion unit and a signal amplification unit, and the digital-to-analog conversion unit is respectively connected with the network management software management configuration unit and the signal amplification unit.
The local side equipment comprises a CPU, an optical fiber uplink part and a coaxial line connected through a standard Ethernet interface; the coaxial cable is connected with the terminal equipment through a home coaxial cable or a television signal; the optical fiber uplink part comprises an xPON multi-port ONU, a 1G optical network port switch, a 2.5G optical network port switch and a 10G network port switch.
Wherein the standard ethernet signal is converted to a radio frequency signal in the frequency band of 5-106MHz (an effective data rate of 800 Mbps).
The utility model provides a ten thousand million coaxial access systems's theory of operation as follows:
the power supply module is respectively connected with the EOC module and the WIFI module through the EOC module, the WIFI module and the power supply module, and the WIFI module is connected with an external EOC network through the EOC module. By utilizing the EOC terminal equipment, a wireless local area network can be conveniently constructed by utilizing the WIFI function of the EOC terminal equipment. Compared with the prior art, the application method of constructing the wireless local area network by arranging the network cables is utilized, the network cables do not need to be arranged by utilizing the EOC terminal equipment of the utility model, so the use is more flexible, the installation is simple and convenient, the network planning and adjustment are easy to carry out, the expansion and fault location are easy, and the cost of the EOC terminal equipment realizing the WIFI function is low, and the application range is wide;
the network management program is written into the network management software management configuration unit, and the digital signals can be managed, isolated by terminal users and divided into multi-service virtual local area networks through software configuration, so that the fine management of services is realized, the signal transmission is controllable, and the resource configuration is effectively optimized.
Compared with the prior art, the utility model provides a ten thousand million coaxial access systems have following beneficial effect:
the power supply module is respectively connected with the EOC module and the WIFI module through the EOC module, the WIFI module and the power supply module, and the WIFI module is connected with an external EOC network through the EOC module. By utilizing the EOC terminal equipment, a wireless local area network can be conveniently constructed by utilizing the WIFI function of the EOC terminal equipment. Compared with the prior art, the application method of constructing the wireless local area network by arranging the network cables is utilized, the network cables do not need to be arranged by utilizing the EOC terminal equipment of the utility model, so the use is more flexible, the installation is simple and convenient, the network planning and adjustment are easy to carry out, the expansion and fault location are easy, and the cost of the EOC terminal equipment realizing the WIFI function is low, and the application range is wide;
the network management program is written into the network management software management configuration unit, and the digital signals can be managed, isolated by terminal users and divided into multi-service virtual local area networks through software configuration, so that the fine management of services is realized, the signal transmission is controllable, and the resource configuration is effectively optimized.
Second embodiment
Referring to fig. 7-11 of the second embodiment, the second embodiment of the present invention further provides another tera coaxial access system.
In an optional manner of this embodiment, the tera coaxial access system includes the electrical component, and the tera coaxial access system further includes: a modem 1;
the sealing plate 2 is fixed on one side of the modem 1, which is provided with an interface;
the socket 3 is arranged on the sealing plate 2 and corresponds to the position of the interface;
the two sealing cloths 6 are respectively fixed at the top and the bottom of the inner surface of the socket 3, and one opposite sides of the two sealing cloths 6 are respectively fixedly connected with a first connecting block 4 and a second connecting block 4;
the two mounting grooves 11 are respectively communicated with two sides of the inner surface of the socket 3;
the sliding rod 8 is fixed between the top and the bottom of the inner surface of the mounting groove 11, two sides of the first connecting block 4 and the second connecting block 4 are respectively sleeved on the surface of the sliding rod 8, and elastic parts 9 are fixedly connected on the surface of the sliding rod 8 and respectively positioned on the upper side of the first connecting block 4 and the lower side of the second connecting block 4;
and a driving rope 12, wherein one end of the driving rope 12 is fixed at the bottom of the second connecting block 4, and the other end of the driving rope 12 is fixedly connected with the bottom of the first connecting block 4 through a pulley 10.
The number of sockets 3 corresponds to the number of interfaces on the modem 1.
The pulley 10 is fixed in the bottom of the inner wall of the mounting groove 11, through holes 13 are formed in the two sides of the second connecting block 4, and one end of the driving rope 12 is fixedly connected with the bottom of the first connecting block 4 through the through holes 13.
Inside the mounting groove 11 of both sides was extended to respectively to the both sides of first connecting block 5 and second connecting block 4, through-hole 13 was clearance fit with driving rope 12.
The middle of the front surface of the first connecting block 4 is fixedly connected with a driving block 7, convex folding transverse parts 15 and concave folding transverse parts 16 are alternately arranged on the sealing cloth 6, and a rubber strip 14 is bonded on one side of the sealing plate 2.
The sealing plate 2 is adhered to the interface side of the modem 1 by an adhesive tape 14, and the thickness of the adhesive tape 14 is larger than the distance value of the connecting line connector which is inserted into the interface and is positioned outside.
In another optional manner of this embodiment, the tera coaxial access system may not include the electrical component. The elements formed by the ten-gigabit coaxial access system only need to meet the requirements of sealing and preventing dust when a modem socket is idle, and the effect of limiting and preventing looseness of a connecting line joint can be achieved after the connecting line is plugged with the connecting line.
The utility model provides a ten thousand million coaxial access systems's theory of operation as follows:
by arranging the sealing plate 2, arranging the socket 3 at the position corresponding to the interface for wire plugging, and arranging the sealing cloth 6 in the socket 3, the idle interface can be sealed, dust is prevented from entering, and the service life is prolonged;
when the wire is required to be plugged, the driving block 7 is pulled upwards, two sides of the driving block 7 compress the elastic piece 9 positioned on the upper side of the sliding rod 8, one end of the driving rope 12 is driven to move upwards, the other end of the driving rope 12 pulls the second connecting block 5 to move downwards through the pulley 10, and the first connecting block 4 and the second connecting block 4 drive the sealing cloth 6 to be folded along the convex folding transverse 15 and the concave folding transverse 16;
can insert the interface with the connecting wire this moment, then loosen and drive piece 12, through the effect of elastic component 9 this moment, promote first connecting block 4 and second connecting block 4 to one side in opposite directions, carry on spacingly to connecting spacing joint, prevent that the connecting wire from appearing not hard up the condition in the use.
Compared with the prior art, the utility model provides a ten thousand million coaxial access systems have following beneficial effect:
by arranging the sealing plate 2, arranging the socket 3 at the position corresponding to the interface for wire plugging, and arranging the sealing cloth 6 in the socket 3, the idle interface can be sealed, dust is prevented from entering, and the service life is prolonged;
and after the connecting wire is spliced with the interface, carry on spacingly to connecting spacing joint through first connecting block 4 and second connecting block 4, prevent that the connecting wire from appearing not hard up the condition in the use.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (3)
1. A gigabit coaxial access system comprising:
the local side adopts a ten-gigabit uplink optical port switch and a switch chip with multiple kilomega ports, each kilomega port is connected with the MODEM, and then kilomega standard Ethernet signals are converted into radio frequency signals with the frequency band of 5-106MHz, and the radio frequency signals are output to a standard 75 omega cable television coaxial cable through adaptation and transmitted to a user family; the tera coaxial access system comprises a coaxial cable broadband access device and EOC terminal equipment which are connected with each other;
the coaxial cable broadband access device comprises an Ethernet cable physical layer transceiving unit, a modulation and demodulation body and a coupler; the Ethernet cable physical layer transceiver unit, the modem body and the coupler are connected in sequence; the Ethernet line physical layer transceiver unit is connected with the Ethernet line through an Ethernet line interface, the coupler is connected with the coaxial cable through a coaxial cable interface, and the Ethernet line physical layer transceiver unit comprises a network management software management configuration unit which is respectively connected with the Ethernet line physical layer transceiver unit and a modulation and demodulation body and is used for managing and configuring signals received by the Ethernet line physical layer transceiver unit or the modulation and demodulation body and dividing a multi-service virtual local area network;
the EOC terminal equipment comprises an EOC module, a WIFI module and a power module, wherein the power module is respectively connected with the EOC module and the WIFI module, and the WIFI module is connected with an external EOC network through the EOC module; the EOC module is respectively connected with the coaxial cable and the organic digital set-top box, the EOC module comprises an EOC chip set and an Ethernet switching chip, the EOC chip set is connected between the external EOC network and the Ethernet switching chip, and the EOC chip completes the main functions of: carrying out system control; managing the operation and state response of each path of MODEM; upgrading programs and assisting debugging programs; integrating a network management embedded platform; integrating automatic network performance diagnosis and operation maintenance internal negotiation management platform; the Ethernet switching chip is connected with the WIFI module, and the EOC chip set is connected with the Ethernet switching chip through a bus; the Ethernet switching chip is provided with an Ethernet physical layer, the WIFI module is connected with the Ethernet switching chip through the Ethernet physical layer, the EOC chipset comprises a main control chip and a radio frequency chip, the radio frequency chip is connected with the main control chip, the radio frequency chip is also connected with the external EOC network, the WIFI module comprises a WIFI chip, a signal amplification chip and an antenna unit, and the antenna unit is connected with the WIFI chip through the signal amplification chip; the antenna unit be double-circuit monopole antenna, double-circuit monopole antenna respectively through two signal amplification chip connect the WIFI chip, the modem body includes digital-to-analog conversion unit and signal amplification unit, digital-to-analog conversion unit connects respectively network management software management configuration unit and signal amplification unit, its characterized in that:
the tera coaxial access system further comprises: a modem;
the sealing plate is fixed on one side of the modem, which is provided with an interface;
the socket is arranged on the sealing plate and corresponds to the interface;
the two sealing cloths are respectively fixed at the top and the bottom of the inner surface of the socket, and one sides of the two sealing cloths, which are opposite to each other, are respectively and fixedly connected with a first connecting block and a second connecting block;
the two mounting grooves are respectively communicated with two sides of the inner surface of the socket;
the sliding rod is fixed between the top and the bottom of the inner surface of the mounting groove, two sides of the first connecting block and two sides of the second connecting block are respectively sleeved on the surface of the sliding rod, and elastic parts are fixedly connected to the surface of the sliding rod, the surface of the sliding rod is respectively positioned on the upper side of the first connecting block and the lower side of the second connecting block;
the driving rope is fixed at one end of the driving rope at the bottom of the second connecting block, and the other end of the driving rope is fixedly connected with the bottom of the first connecting block through a pulley.
2. The tera coaxial access system of claim 1, wherein the pulley is fixed to the bottom of the inner wall of the mounting groove, through holes are formed in both sides of the second connecting block, and one end of the driving rope is fixedly connected to the bottom of the first connecting block through the through holes.
3. The tera coaxial access system of claim 1, wherein a driving block is fixedly connected to the middle of the front surface of the first connecting block, the sealing cloth is provided with convex folding transverse portions and concave folding transverse portions in a staggered manner, and an adhesive tape is bonded to one side of the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169611.XU CN211296739U (en) | 2020-02-14 | 2020-02-14 | Trillion coaxial access system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169611.XU CN211296739U (en) | 2020-02-14 | 2020-02-14 | Trillion coaxial access system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211296739U true CN211296739U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020169611.XU Expired - Fee Related CN211296739U (en) | 2020-02-14 | 2020-02-14 | Trillion coaxial access system |
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|---|---|
| CN (1) | CN211296739U (en) |
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2020
- 2020-02-14 CN CN202020169611.XU patent/CN211296739U/en not_active Expired - Fee Related
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