CN201805501U - Branch distributor - Google Patents
Branch distributor Download PDFInfo
- Publication number
- CN201805501U CN201805501U CN2010202253789U CN201020225378U CN201805501U CN 201805501 U CN201805501 U CN 201805501U CN 2010202253789 U CN2010202253789 U CN 2010202253789U CN 201020225378 U CN201020225378 U CN 201020225378U CN 201805501 U CN201805501 U CN 201805501U
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- CN
- China
- Prior art keywords
- pressing plate
- branch distributor
- cable
- circuit board
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a branch distributor with convenience for mounting. The branch distributor comprises a shell and a circuit board mounted in the shell, wherein the shell comprises a baseplate, a main body and pressure plates; a plurality of grooves matched with the radius of a CATV (cable television) cable are formed on the main body; the surfaces of the grooves adopt metal, and are electrically connected with an earth terminal of the circuit board; elastic metal needle pieces used for mounting a core wire of the CATV cable are arranged at the end parts of the grooves; the elastic metal needle pieces are electrically connected with a signal wire in the circuit board; and the pressure plates are movably mounted at the tops of the grooves in the main body through screws. Only a stripping tool and a screwdriver are required during the mounting process of the branch distributor with simple structure and low cost, and no accessory is needed, so that the weight of tools carried by a staff can be reduced, and the mounting efficiency is greatly improved. After the branch distributor is tested by manufacturers, the electronic performance of the branch distributor can completely meet the European Standard 50083-2, the European Standard 50083-4 and the like. Therefore, the branch distributor provided by the utility model can replace the conventional branch distributor.
Description
Technical field
The utility model belongs to the cable TV technical field, specially refers to the branch distributor of cable television system.
Background technology
At present in cable television system used branch distributor generally by housing, be assemblied in circuit board and signal input in the housing, output interface is formed, at first need to utilize of the cable peeling of special-purpose stripping tool during installation with cable TV, make it expose wherein shielding conductor and signal core line, then the end of cable is inserted the joint of special-purpose F59 specification, and use the Crimping Pliers crimping, cable and F59 joint are connected as a single entity, the last locking spanner that utilizes is again tightened the input or output interface of F59 joint and branch distributor, in above-mentioned installation process, need stripping tool at least, Crimping Pliers, three kinds of instruments of locking spanner, make installation process more loaded down with trivial details, waste time and energy, but also, make cost increase greatly because need expend the F59 joint.Branch distributor is generally installed in each building by the staff, use present branch distributor, can increase the weight of entrained instrument of staff and accessory greatly, and installation effectiveness is descended, therefore be badly in need of a kind of branch distributor easy for installation.
The utility model content
The purpose of this utility model is to propose a kind of branch distributor easy for installation.
Branch distributor of the present utility model comprises housing and is installed in the interior circuit board of housing, key is that described housing is formed by base plate, main body and pressing plate installation, described main body has a plurality of and the adaptive groove of cable television radius, described groove surfaces is a metal, and is electrically connected with the earth terminal of circuit board; The end of described groove is provided with the elastic metallic faller gill that is used to install the cable television line core, and described elastic metallic faller gill is electrically connected with holding wire in the circuit board; Described pressing plate is movably arranged on the top of body recess by screw.
When the cable of cable TV is installed, at first utilize of the cable peeling of special-purpose stripping tool with cable TV, make it expose wherein shielding conductor and signal core line, open pressing plate then, the end of cable is inserted in the groove of housing body, and the signal core line of cable is contacted with the elastic metallic faller gill, and then cover pressing plate, and utilize screw that pressing plate is pressed on the cable, the shielding conductor on cable surface will closely contact with the metal of groove surfaces like this, thereby be electrically connected with the earth terminal of circuit board, form good shielding, and the signal core line of cable is electrically connected with holding wire in the circuit board by the elastic metallic faller gill.In installation process, only need stripping tool and screwdriver to get final product, need not any accessory, therefore can alleviate the weight of the entrained instrument of staff, and improve installation effectiveness greatly.
Elasticity pectination sheet also is installed between described pressing plate and the body recess, elasticity pectination sheet can help pressing plate to compress the cable of cable TV, the shielding conductor on cable surface can be contacted better with the metal of groove surfaces, thereby improve shield effectiveness, improve signal quality.
Each groove corresponding independently a pressing plate and an elasticity pectination sheet can not influence other cable like this during the cable in certain groove is installed, and can conveniently install.
Described elastic metallic faller gill comprises the body of a metal material, and body end is provided with two elastic sheet metals that are pressed on together, and the end of described two elastic sheet metals forms funnelform lead-in chamfered.When the cable of cable TV was installed, lead-in chamfered can guide the signal core line of cable to insert more easily in two elastic sheet metals, thereby makes the signal core line of cable form tight the contact with the elastic metallic faller gill, improves signal quality.
Described elastic metallic faller gill is fixed on the base plate by the rubber base of frame-type, and the body of metal faller gill is electrically connected with holding wire in the circuit board; The top of rubber base is equipped with plastic cover plate.Rubber base and plastic cover plate can form fixing to the metal faller gill, so when mounted the metal faller gill rubber base and plastic cover plate against can not shaking or depart from down, make the signal core line of cable contact with the metal faller gill exactly, the assurance signal communication.
The end of described pressing plate is provided with the column rotating shaft, the side two ends of described body recess are provided with and the corresponding rotary axis groove of described column rotating shaft shape, the side of rotary axis groove is provided with screw hole, and the rotating shaft of described pressing plate is movably arranged on the side of body recess by the screw of rotary axis groove side; Described pressing plate is installed on the top of body recess by the screw in compression at pressing plate middle part.When branch distributor is produced, only the screw of rotary axis groove side need be screwed like this, so that pressing plate can rotate around the axis but not come off, the screw at pressing plate middle part need not to screw; When cable television is installed, screw the screw at pressing plate middle part again,, finish installation to compress cable television.
Branch distributor of the present utility model is simple and compact for structure, cost is low, easy for installation, through producer test, its Electronic Performance satisfies the EN50083-2 in Europe fully, standards such as EN50083-4 can substitute existing branch distributor fully.
Description of drawings
Fig. 1 is the structural representation of branch distributor of the present utility model.
Embodiment
Describe the utility model in detail below in conjunction with specific embodiments and the drawings.
Embodiment 1:
The branch distributor of present embodiment comprises housing and is installed in the interior circuit board 11 of housing, described housing is installed by screw 5,7 by base plate 12, main body 6 and pressing plate 3 and is formed, described main body 6 has ten grooves 13 adaptive with the cable television radius, the surface of described groove 13 is metal (can form by electroplating), and is electrically connected with the earth terminal of circuit board 11; The end of described groove 13 is provided with the elastic metallic faller gill 9 that is used to install the cable television line core, and described elastic metallic faller gill 9 is electrically connected with holding wire in the circuit board 11; Described pressing plate 3 is movably arranged on the top of body recess 13 by screw 1,2.
Elasticity pectination sheet 4 also is installed between described pressing plate 3 and the body recess 13, elasticity pectination sheet 4 can help pressing plate 3 to compress the cable of cable TV, the shielding conductor on cable surface can be contacted better with the metal of groove surfaces, thereby improve shield effectiveness, improve signal quality.
Each body recess 13 corresponding independently a pressing plate 3 and an elasticity pectination sheet 4 can not influence other cable like this during the cable in certain groove is installed, and can conveniently install.
Described elastic metallic faller gill 9 comprises the body 91 of a metal material, and body 91 ends are provided with two elastic sheet metals 92 that are pressed on together, and the end of described two elastic sheet metals 92 forms funnelform lead-in chamfered.When the cable of cable TV was installed, lead-in chamfered can guide the signal core line of cable to insert more easily in two elastic sheet metals, thereby makes the signal core line of cable form tight the contact with the elastic metallic faller gill, improves signal quality.
Described elastic metallic faller gill 9 is fixed on the base plate by the rubber base 10 of frame-type, and the body 91 of metal faller gill is electrically connected with holding wire in the circuit board 11; The top of rubber base 10 is equipped with plastic cover plate 8.Rubber base 10 and plastic cover plate 8 can form fixing to metal faller gill 9, so when mounted metal faller gill 9 rubber base 10 and plastic cover plate 8 against can not shaking or depart from down, make the signal core line of cable contact with the metal faller gill exactly, guarantee signal communication.
The end of described pressing plate 3 is provided with column rotating shaft 31, the side two ends of described body recess 13 are provided with and the corresponding rotary axis groove 61 of described column rotating shaft shape, the side of rotary axis groove 61 is provided with screw hole 62, and the rotating shaft 31 of described pressing plate is movably arranged on the side of body recess 13 by the screw 1 of rotary axis groove side; Described pressing plate 3 compresses the top that is installed on body recess 13 by the screw 2 at pressing plate middle part
When the cable of cable TV is installed, at first utilize of the cable peeling of special-purpose stripping tool with cable TV, make it expose wherein shielding conductor and signal core line, open pressing plate 3 then, the end of cable is inserted in the groove 13 of housing body, and the signal core line of cable is contacted with elastic metallic faller gill 9, and then cover pressing plate 3, and screw screw 2, pressing plate 3 is pressed on the cable, and the shielding conductor on cable surface will closely contact with the metal on groove 13 surfaces like this, thereby is electrically connected with the earth terminal of circuit board 11, form good shielding, and the signal core line of cable is electrically connected with holding wire in the circuit board 11 by elastic metallic faller gill 9.In installation process, only need stripping tool and screwdriver to get final product, need not any accessory, therefore can alleviate the weight of the entrained instrument of staff, and improve installation effectiveness greatly.
Claims (6)
1. branch distributor, comprise housing and be installed in the interior circuit board of housing, it is characterized in that described housing is formed by base plate, main body and pressing plate installation, described main body has a plurality of and the adaptive groove of cable television radius, described groove surfaces is a metal, and is electrically connected with the earth terminal of circuit board; The end of described groove is provided with the elastic metallic faller gill that is used to install the cable television line core, and described elastic metallic faller gill is electrically connected with holding wire in the circuit board; Described pressing plate is movably arranged on the top of body recess by screw.
2. branch distributor according to claim 1 is characterized in that also being equipped with between described pressing plate and the body recess elasticity pectination sheet.
3. branch distributor according to claim 2 is characterized in that each groove corresponding independently a pressing plate and an elasticity pectination sheet.
4. according to claim 1 or 2 or 3 described branch distributors, it is characterized in that described elastic metallic faller gill comprises the body of a metal material, body end is provided with two elastic sheet metals that are pressed on together, and the end of described two elastic sheet metals forms funnelform lead-in chamfered.
5. branch distributor according to claim 4 is characterized in that described elastic metallic faller gill is fixed on the base plate by the rubber base of frame-type, and the body of metal faller gill is electrically connected with holding wire in the circuit board; The top of rubber base is equipped with plastic cover plate.
6. according to claim 1 or 2 or 3 described branch distributors, the end that it is characterized in that described pressing plate is provided with the column rotating shaft, the side two ends of described body recess are provided with and the corresponding rotary axis groove of described column rotating shaft shape, the side of rotary axis groove is provided with screw hole, and the rotating shaft of described pressing plate is movably arranged on the side of body recess by the screw of rotary axis groove side; Described pressing plate is installed on the top of body recess by the screw in compression at pressing plate middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202253789U CN201805501U (en) | 2010-06-11 | 2010-06-11 | Branch distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202253789U CN201805501U (en) | 2010-06-11 | 2010-06-11 | Branch distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201805501U true CN201805501U (en) | 2011-04-20 |
Family
ID=43875000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202253789U Expired - Lifetime CN201805501U (en) | 2010-06-11 | 2010-06-11 | Branch distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201805501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171945A (en) * | 2021-12-08 | 2022-03-11 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity testing grounding ring without power outage |
-
2010
- 2010-06-11 CN CN2010202253789U patent/CN201805501U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171945A (en) * | 2021-12-08 | 2022-03-11 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity testing grounding ring without power outage |
| CN114171945B (en) * | 2021-12-08 | 2023-05-16 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity-checking grounding ring without power failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |
|
| CX01 | Expiry of patent term |