CN210724707U - High-pass filter - Google Patents
High-pass filter Download PDFInfo
- Publication number
- CN210724707U CN210724707U CN201922474779.1U CN201922474779U CN210724707U CN 210724707 U CN210724707 U CN 210724707U CN 201922474779 U CN201922474779 U CN 201922474779U CN 210724707 U CN210724707 U CN 210724707U
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- nut
- main body
- connecting piece
- piece
- pass filter
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 29
- 230000004308 accommodation Effects 0.000 claims description 4
- 238000004049 embossing Methods 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high pass filter belongs to cable television communication technical field, has solved that traditional high pass filter installation adjustment is troublesome, the installation rate is slow, sealing performance is poor, the production and processing degree of difficulty is big, the problem that enterprise's output is low. The filter mainly comprises a cylinder filter main body, a nut piece, a screw rod piece and a connecting piece, wherein the connecting piece is movably connected with the nut, and the connecting piece penetrating through the nut is fixedly connected with the cylinder filter main body. The utility model has the advantages that the nut is movably designed, and the installation and the adjustment are rapid and convenient; the sealing ring sleeving is externally operated, so that the machining is easy, the machining speed is high, the efficiency is high, the enterprise yield is high, and the labor intensity of workers is greatly reduced; the structure is tensioned in the groove of the sealing ring, so that the slipping phenomenon cannot occur, the sealing performance is stable, and the product consistency is high; the cable television communication device has the advantages of simple and ingenious structural design, high flexibility, easiness in manufacturing, strong practicability and capability of being widely applied to the technical field of cable television communication.
Description
Technical Field
The utility model belongs to the technical field of the cable TV communication, specifically speaking especially relates to a high pass filter that the installation is swift convenient, the adjustment is convenient, the installation rate is fast, sealing performance is good, the production and processing is easy, easily production, enterprise's output is high.
Background
Such a phenomenon is found in our daily lives: after the liquid crystal television is connected with the set top box, the phenomenon of alternating current interference occurs, alternating current noise occurs in accompanying sound, two obvious rolling horizontal bars exist on an image, and the phenomenon of incapability of displaying due to serious interference occurs. To solve this problem, an isolator is usually added on the cable to the home, i.e. a high pass filter is added between the cable tv user box socket and the set-top box, the nut end is electrically connected to the set-top box, and the screw end is electrically connected to the cable tv user box socket. The high-pass filter isolates indoor and outdoor, and solves the problems of alternating current interference, alternating current noise and the like through isolation. Traditional high pass filter from in appearance with the utility model discloses unanimous, mainly including seting up internal screw thread nut, barrel filter main part, screw rod spare, nevertheless traditional high pass filter's nut and barrel filter main part are fixed an organic whole, need wholly rotate when the installation is twisted soon, and the installation is inconvenient, especially more inconvenient when both ends need adjust. For example, when the nut end needs to be fastened, the filter is rotated clockwise, and due to the fact that the filter rotates integrally, the screw rod end can be unscrewed, and good electrical connection between the screw rod end and a user socket can be met by adjusting the user box socket. It follows that conventional high pass filters are very inconvenient to use.
Furthermore, conventional high pass filters are less hermetic, although for indoor use, the possibility of a user inadvertently spilling water or other liquid onto the high pass filter is not excluded. The traditional filter is generally plugged a sealing ring in a nut inner ring, the processing difficulty of the structural design mode is high, the sealing ring needs to be manually plugged in the nut inner ring, and the sealing ring cannot be rebounded out, so that the problems of low production yield and low production efficiency are caused by fine activity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide a high pass filter that the installation is swift convenient, the adjustment is convenient, the installation rate is fast, sealing performance is good, the production and processing is easy, easily production, enterprise's output is high.
The utility model discloses a realize through following technical scheme:
a high-pass filter comprises a cylinder filter main body, wherein one end of the cylinder filter main body is a nut piece electrically connected with an output terminal, and the other end of the cylinder filter main body is a screw piece electrically connected with a cable television user box socket; a PCBA board is fixedly arranged in the main body of the barrel filter; the PCBA board is provided with a lead pin electrically connected with the PCBA board, and the lead pin is led out from the nut piece; the PCBA board is provided with a needle guide sleeve which is electrically connected with the PCBA board, the needle guide sleeve is led out from the screw rod piece, the nut piece comprises a nut and a connecting piece, and the connecting piece comprises a cylinder inner core and a flash protruding outwards in the radial direction of the cylinder inner core; the connecting piece is movably connected with the nut, penetrates through the nut and is limited by the flash, and the connecting piece penetrating through the nut is fixedly connected with the main body of the barrel filter.
Preferably, the main body of the barrel filter and the connecting piece are fixedly connected into a whole in an interference fit connection mode.
Preferably, a sealing ring is arranged between the nut and the main body of the barrel filter; the tail end of the nut is provided with an accommodating groove, the head end of the barrel filter main body is designed in a taper manner, the head end of the barrel filter main body is provided with a sealing ring groove, and the sealing ring is tensioned in the sealing ring groove; the space that sealing washer recess and nut holding tank inner wall constitute is the sealing washer accommodation space, and the sealing washer is extruded in this sealing washer accommodation space.
Preferably, the seal ring groove is rectangular.
Preferably, the contact surface of the joint piece in interference fit with the body of the barrel filter is provided with an embossing pattern for enhancing friction force.
Preferably, the barrel filter body is a metal piece.
Preferably, the output terminal is a set-top box.
Preferably, the PCBA plate is fixedly supported on the screw member.
Preferably, the screw rod piece comprises a screw rod and a connecting piece, the screw rod and the connecting piece are fixed into a whole, and the connecting piece and the cylinder filter main body are fixedly connected in a connection mode of matching internal threads and external threads.
Compared with the prior art, the beneficial effects of the utility model are that:
the nut of the utility model is movably designed, only the nut needs to be rotated when screwing and unscrewing, the whole high-pass filter does not need to be rotated, and the installation and the adjustment are rapid and convenient;
the utility model has the advantages of external operation, easy processing, high processing speed, high efficiency, high enterprise yield and greatly reduced labor intensity of workers; the structure is tensioned in the groove of the sealing ring, so that the slipping phenomenon cannot occur, the sealing performance is stable, and the product consistency is high;
the utility model discloses structural design is simple and ingenious, and the flexibility ratio is high, and it is easy to make, and the practicality is very strong, can wide application in cable TV communication technology field.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure diagram of embodiment 1 of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 according to the present invention;
fig. 6 is a schematic structural view of the sealing ring of fig. 5 according to the present invention after being hidden.
In the figure: 1. a barrel filter body; 2. a nut member; 3. a screw member; 4, PCBA board; 5. leading a needle; 6. a needle guide sleeve; 7. a nut; 8. a joining member; 9. an inner core of the cylinder body; 10. flashing; 11. a seal ring; 12. accommodating grooves; 13. a seal ring groove; 15. a seal ring accommodating space; 16. a screw; 17. a connecting member.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a high-pass filter comprises a cylinder filter body 1, wherein one end of the cylinder filter body 1 is a nut member 2 electrically connected with an output terminal, and the other end of the cylinder filter body 1 is a screw member 3 electrically connected with a cable television user box socket; a PCBA board 4 is fixedly arranged in the barrel filter main body 1; the PCBA board 4 is provided with a lead pin 5 electrically connected with the PCBA board, and the lead pin 5 is led out from the nut piece 2; be equipped with on PCBA board 4 with it electric connection's needle cover 6 that draws, draw needle cover 6 and draw forth its characterized in that from screw rod spare 3: the nut member 2 comprises a nut 7 and a joint member 8, wherein the joint member 8 comprises a cylinder inner core 9 and a flash 10 protruding outwards in the radial direction of the cylinder inner core 9; the connecting piece 8 is movably connected with the nut 7, penetrates through the nut 7 and is limited by a flange 10, and the connecting piece 8 penetrating through the nut 7 is fixedly connected with the cylinder filter main body 1.
Preferably, the cylinder filter body 1 and the connecting piece 8 are fixedly connected into a whole in an interference fit connection mode.
Preferably, a sealing ring 11 is arranged between the nut 7 and the cylinder filter body 1; the tail end of the nut 7 is provided with an accommodating groove 12, the head end of the cylinder filter main body 1 is designed in a taper manner, the head end of the cylinder filter main body 1 is provided with a sealing ring groove 13, and a sealing ring 11 is tensioned in the sealing ring groove 13; the space formed by the seal ring groove 13 and the inner wall of the nut accommodating groove 12 is a seal ring accommodating space 15, and the seal ring 11 is pressed in the seal ring accommodating space 15.
Preferably, the seal ring groove 13 is rectangular.
Preferably, the contact surface of the joint piece 8 in interference fit with the barrel filter body 1 is provided with an embossing pattern for enhancing friction force.
Preferably, the barrel filter body 1 is a metal piece.
Preferably, the output terminal is a set-top box.
Preferably, the PCBA plate 4 is fixedly supported on the screw member 3.
Preferably, the screw member 3 includes a screw 16 and a connecting member 17, the screw 16 and the connecting member 17 are fixed together, and the connecting member 17 is fixedly connected with the barrel filter main body 1 by adopting a connection mode of matching internal and external threads.
Example 1:
as shown in fig. 1 to 3 of the attached drawings of the specification, the present embodiment includes a cylinder filter body 1, one end of the cylinder filter body 1 is a nut member 2 electrically connected to an output terminal, the other end of the cylinder filter body 1 is a screw member 3 electrically connected to a cable tv user box socket, and the output terminal is a set-top box; a PCBA board 4 is fixedly arranged in the barrel filter main body 1; the PCBA board 4 is provided with a lead pin 5 electrically connected with the PCBA board, and the lead pin 5 is led out from the nut piece 2; the PCBA board 4 is provided with a needle guide sleeve 6 electrically connected with the PCBA board, the needle guide sleeve 6 is led out from the screw rod piece 3, the nut piece 2 comprises a nut 7 and a connecting piece 8, and the connecting piece 8 comprises a cylinder inner core 9 and a flange 10 protruding outwards in the radial direction of the cylinder inner core 9; the jointing piece 8 is movably connected with the nut 7, penetrates through the nut 7 and is limited by the flash 10, the jointing piece 8 penetrating through the nut 7 is fixedly connected with the cylinder filter main body 1, and the cylinder filter main body 1 and the jointing piece 8 are fixedly connected into a whole in an interference fit connection mode. The body 1 of the barrel filter of the present embodiment is a metal member.
Simply, the connecting piece 8 is in clearance fit with the nut, and the connecting piece 8 is in interference fit with the cylinder filter body 1; the nut can freely rotate relative to the joint member 8 and relative to the body filter 1.
The nut of the embodiment is movably designed, only the nut needs to be rotated when the nut is screwed and unscrewed, the whole high-pass filter does not need to be rotated, and the installation and the adjustment are quick and convenient.
The sealing performance is not considered, and the sealing ring is not designed in the embodiment; in consideration of the sealing performance, the sealing ring is plugged into the inner ring of the nut, namely, the space between the flash and the inner wall of the nut.
Example 2:
as shown in fig. 4 to 5 of the attached drawings of the specification, the present embodiment includes a cylinder filter body 1, one end of the cylinder filter body 1 is a nut member 2 electrically connected to an output terminal, and the other end of the cylinder filter body 1 is a screw member 3 electrically connected to a cable tv user box socket; a PCBA board 4 is fixedly arranged in the barrel filter main body 1; the PCBA board 4 is provided with a lead pin 5 electrically connected with the PCBA board, and the lead pin 5 is led out from the nut piece 2; the PCBA board 4 is provided with a needle guide sleeve 6 electrically connected with the PCBA board, the needle guide sleeve 6 is led out from the screw rod piece 3, the nut piece 2 comprises a nut 7 and a connecting piece 8, and the connecting piece 8 comprises a cylinder inner core 9 and a flange 10 protruding outwards in the radial direction of the cylinder inner core 9; the jointing piece 8 is movably connected with the nut 7, penetrates through the nut 7 and is limited by the flash 10, the jointing piece 8 penetrating through the nut 7 is fixedly connected with the cylinder filter main body 1, and the cylinder filter main body 1 and the jointing piece 8 are fixedly connected into a whole in an interference fit connection mode. The PCBA plate 4 is fixedly supported on the screw member 3, specifically, the PCBA plate is fixedly connected with the inner end surface of the screw member 3 in an inserting manner, and is secondarily fixedly connected by soldering, which is prior art and will not be described again. Simply, the connecting piece 8 is in clearance fit with the nut, and the connecting piece 8 is in interference fit with the cylinder filter body 1; the nut can freely rotate relative to the joint member 8 and relative to the body filter 1. The nut of the embodiment is movably designed, only the nut needs to be rotated when the nut is screwed and unscrewed, the whole high-pass filter does not need to be rotated, and the installation and the adjustment are quick and convenient.
A sealing ring 11 is arranged between the nut 7 and the main body 1 of the barrel filter in the embodiment; the tail end of the nut 7 is provided with an accommodating groove 12, the head end of the cylinder filter main body 1 is designed in a taper manner, the head end of the cylinder filter main body 1 is provided with a sealing ring groove 13, a sealing ring 11 is tensioned in the sealing ring groove 13, and the sealing ring groove 13 is rectangular; the space formed by the seal ring groove 13 and the inner wall of the nut accommodating groove 12 is a seal ring accommodating space 15, and the seal ring 11 is pressed in the seal ring accommodating space 15.
The flash 10 plays a limiting role, the screw rod piece 3 comprises a screw rod 16 and a connecting piece 17, the screw rod 16 and the connecting piece 17 are fixed into a whole, and the connecting piece 17 is fixedly connected with the cylinder filter main body 1 in a connection mode of matching internal threads and external threads; the interference fit of the cylinder filter body 1 and the connecting piece 8 enables the cylinder filter body 1 and the nut to be integrated. During production and processing, the sealing ring is firstly sleeved in the sealing ring groove 13 on the cylinder filter main body 1, then the cylinder filter main body 1 sleeved with the sealing ring is embedded into the accommodating groove 12 of the nut 7, then the connecting piece 17 penetrates through the opening end of the nut 7, and the connecting piece 17 is assembled in place under the punching of a punch press and is in interference fit with the cylinder filter main body 1.
The contact surface of the connecting piece 8 and the cylinder filter body 1 in interference fit in the embodiment is provided with embossing patterns for enhancing friction force.
The nut of the embodiment is movably designed, only the nut needs to be rotated when the nut is screwed and unscrewed, the whole high-pass filter does not need to be rotated, and the installation and the adjustment are quick and convenient.
The sealing ring sleeving method has the advantages that the sealing ring sleeving method is externally operated, machining is easy, machining speed is high, efficiency is high, enterprise yield is high, and meanwhile labor intensity of workers is greatly reduced; the structure is tensioned in the groove of the sealing ring, so that the slipping phenomenon cannot occur, the sealing performance is stable, and the product consistency is high;
the embodiment has simple and ingenious structural design, high flexibility, easy manufacture and strong practicability, and can be widely applied to the technical field of cable television communication.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A high-pass filter comprises a cylinder filter main body, wherein one end of the cylinder filter main body is a nut piece electrically connected with an output terminal, and the other end of the cylinder filter main body is a screw piece electrically connected with a cable television user box socket; a PCBA board is fixedly arranged in the main body of the barrel filter; the PCBA board is provided with a lead pin electrically connected with the PCBA board, and the lead pin is led out from the nut piece; be equipped with on the PCBA board with it electric connection's needle cover that draws, draw the needle cover and draw forth its characterized in that from the screw rod spare: the nut piece comprises a nut and a connecting piece, and the connecting piece comprises a cylinder inner core and a flash protruding outwards in the radial direction of the cylinder inner core; the connecting piece is movably connected with the nut, penetrates through the nut and is limited by the flash, and the connecting piece penetrating through the nut is fixedly connected with the main body of the barrel filter.
2. A high-pass filter according to claim 1, characterized in that: the main body of the barrel filter is fixedly connected with the connecting piece into a whole in an interference fit connection mode.
3. A high-pass filter according to claim 1 or 2, characterized in that: a sealing ring is arranged between the nut and the main body of the barrel filter; the tail end of the nut is provided with an accommodating groove, the head end of the barrel filter main body is designed in a taper manner, the head end of the barrel filter main body is provided with a sealing ring groove, and the sealing ring is tensioned in the sealing ring groove; the space that sealing washer recess and nut holding tank inner wall constitute is the sealing washer accommodation space, and the sealing washer is extruded in this sealing washer accommodation space.
4. A high-pass filter according to claim 3, characterized in that: the sealing ring groove is rectangular.
5. A high-pass filter according to claim 3, characterized in that: and embossing patterns for enhancing friction force are arranged on the contact surface of the connecting piece in interference fit with the main body of the barrel filter.
6. A high-pass filter according to claim 3, characterized in that: the main body of the barrel filter is a metal piece.
7. A high-pass filter according to claim 3, characterized in that: the output terminal is a set-top box.
8. A high-pass filter according to claim 3, characterized in that: the PCBA board is fixedly supported on the screw rod piece.
9. A high-pass filter according to claim 3, characterized in that: the screw rod piece comprises a screw rod and a connecting piece, the screw rod and the connecting piece are fixed into a whole, and the connecting piece and the main body of the barrel filter are fixedly connected in a connection mode of matching internal threads with external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474779.1U CN210724707U (en) | 2019-12-31 | 2019-12-31 | High-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474779.1U CN210724707U (en) | 2019-12-31 | 2019-12-31 | High-pass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210724707U true CN210724707U (en) | 2020-06-09 |
Family
ID=70937893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922474779.1U Expired - Fee Related CN210724707U (en) | 2019-12-31 | 2019-12-31 | High-pass filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210724707U (en) |
-
2019
- 2019-12-31 CN CN201922474779.1U patent/CN210724707U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |