CN216489751U - Novel antenna feeder lightning protection device - Google Patents
Novel antenna feeder lightning protection device Download PDFInfo
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- CN216489751U CN216489751U CN202121818106.4U CN202121818106U CN216489751U CN 216489751 U CN216489751 U CN 216489751U CN 202121818106 U CN202121818106 U CN 202121818106U CN 216489751 U CN216489751 U CN 216489751U
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Abstract
The utility model discloses a novel antenna feeder lightning protection device which comprises a shell, wherein one side of the inner wall of the shell is in threaded connection with a grounding screw, an inner conductor is arranged at the central axis of the inner wall of the shell, a gas discharge tube is arranged on the inner wall of the inner conductor, an insulator is arranged at one side of the outer wall of the gas discharge tube, a first connecting part is arranged at the central axis of the top of the shell, a screw sleeve is arranged at the top of the first connecting part, and a second connecting part is arranged at the bottom of the shell. According to the utility model, the positioning plate and the connecting equipment are positioned and fixed through the screw, then the positioning plate and the connecting equipment are fixed through the fixing nut, then the shell is placed between the two fastening plates, the positioning screw holes on the two sides of the inner walls of the two fastening plates penetrate through the screw, the fastening plates are fixed on the outer wall of the positioning plate through the locking nut, and meanwhile, the gas discharge tube is sealed by the insulator and the sealing nut, so that the shell can be prevented from being opened by mistake, the installation is simple, the connecting equipment and the lightning protection device shell can be effectively protected, the safety performance is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of lightning protection, in particular to a novel antenna feeder lightning protection device.
Background
An antenna feeder lightning protection device is one of surge protectors and mainly aims at lightning protection adopted by feeder lines. The antenna feeder lightning arrester is also called antenna feeder signal lightning arrester, antenna feeder line lightning arrester and antenna feeder line lightning arrester. In practical selection, the frequency range, insertion loss, maximum discharge current and other parameters of the product are the primary factors to be considered. The antenna feeder lightning protector can prevent the antenna and the receiving and transmitting equipment from being damaged by lightning overvoltage induced by the feeder line, and is suitable for the surge protection of signals of an axial antenna feeder system such as satellite wireless communication, mobile base stations, microwave communication, radio and television and the like.
The external structure of the existing antenna feeder lightning protection device is easily loosened or opened by tool screwing, so that the misoperation of operators is easily caused when the lightning protection device is installed and operated on site, the damage and the performance of the lightning protection device are reduced, and meanwhile, the change of the internal characteristic impedance of the coaxial lightning protection device is caused due to the difference of the lifting position of the grounding nut, so that the transmission performance of signals is influenced.
Therefore, it is necessary to invent a new antenna feeder lightning protection device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel antenna feeder lightning protection device, which is characterized in that a positioning plate and connecting equipment are positioned and fixed through a screw rod, then the positioning plate and the connecting equipment are fixed through a fixing nut, then a shell is placed between two fastening plates, positioning screw holes on two sides of the inner walls of the two fastening plates penetrate through the screw rod, and the fastening plates are fixed on the outer walls of the positioning plate through locking nuts, so that the defects in the technology are overcome.
In order to achieve the above purpose, the utility model provides the following technical scheme: a novel antenna feeder lightning protection device comprises a shell, wherein one side of the inner wall of the shell is in threaded connection with a grounding screw, an inner conductor is arranged at the central axis of the inner wall of the shell, a gas discharge tube is arranged on the inner wall of the inner conductor, an insulator is arranged on one side of the outer wall of the gas discharge tube, a first connecting part is arranged at the central axis of the top of the shell, a screw sleeve is arranged at the top of the first connecting part, a second connecting part is arranged at the bottom of the shell, and the second connecting part corresponds to the first connecting part;
a positioning plate is arranged on one side of the outer wall of the shell, fastening plates are arranged on one side of the outer wall of the positioning plate, the number of the fastening plates is two, the two fastening plates correspond to each other, fixing screw holes are formed in two sides of the inner wall of the positioning plate, screw rods are inserted into the fixing screw holes, fixing nuts are connected to one side of the outer wall of each screw rod in a threaded mode, and locking nuts are connected to one side, close to the fixing nuts, of the outer wall of each screw rod in a threaded mode;
the locating plate and one fixedly connected with compression spring between the mounting plate, two the location screw has all been seted up to mounting plate inner wall both sides, screw rod and location screw phase-match, the draw-in groove has all been seted up to mounting plate inner wall both sides, two it is corresponding between the draw-in groove, the inside joint of draw-in groove has the rubber protection piece.
Preferably, both sides of the outer wall of the inner conductor are provided with insulating sleeves, one side of the outer wall of each insulating sleeve is provided with a baffle ring, and the baffle rings are matched with the inner wall of the shell.
Preferably, one side, far away from the insulating gloves, of the outer wall of the baffle ring is provided with an inner shell, the inner conductor penetrates through the baffle ring and extends to one side of the outer wall of the inner shell, a fixed sleeve ring is arranged inside the inner shell, and the fixed sleeve ring is in interference connection with the inner conductor.
Preferably, the outer wall of the second connecting part is provided with an anti-skid layer, and anti-skid convex patterns are arranged on two sides of the outer wall of the shell.
Preferably, a sealing nut is arranged on one side, away from the gas discharge tube, of the outer wall of the insulator, the sealing nut is in threaded connection with one side of the inner wall of the shell, and an insulating protection handle is fixedly connected to the outer wall of the sealing nut.
Preferably, the cross-sectional shape of the fastening plate is arc-shaped, and the two fastening plates are matched with the shell.
In the technical scheme, the utility model provides the following technical effects and advantages:
fix a position locating plate and jointing equipment through the screw rod, then fix it through fixation nut, then place the shell between two mounting plates, pass the screw rod with the location screw of two mounting plate inner wall both sides, fix the mounting plate at the locating plate outer wall through lock nut, gas discharge tube is sealed by insulator and gland nut simultaneously, can prevent the open by mistake shell, the installation is simple, can effectively protect jointing equipment and lightning protection device shell, the security performance is improved, the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view showing the internal structure of the housing according to the present invention;
FIG. 3 is a schematic view of a connection structure of a positioning plate and a fastening plate according to the present invention;
FIG. 4 is a front view of the housing of the present invention;
fig. 5 is a side view of the housing of the present invention.
Description of reference numerals:
1. a housing; 2. a ground screw; 3. an inner conductor; 4. a gas discharge tube; 5. an insulator; 6. a seal nut; 7. an insulating sleeve; 8. a baffle ring; 9. an inner housing; 10. a fixed collar; 11. a first connection portion; 12. a threaded sleeve; 13. a second connecting portion; 14. an anti-slip layer; 15. an insulating protective handle; 16. positioning a plate; 17. a fastening plate; 18. fixing screw holes; 19. a screw; 20. fixing a nut; 21. locking the nut; 22. A compression spring; 23. positioning the screw hole; 24. a card slot; 25. a rubber protection block; 26. anti-skid wales.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a novel antenna feeder lightning protection device shown in figures 1-5, which comprises a shell 1, wherein one side of the inner wall of the shell 1 is in threaded connection with a grounding screw 2, an inner conductor 3 is arranged at the central axis of the inner wall of the shell 1, a gas discharge tube 4 is arranged on the inner wall of the inner conductor 3, an insulator 5 is arranged on one side of the outer wall of the gas discharge tube 4, a first connecting part 11 is arranged at the central axis of the top of the shell 1, a screw sleeve 12 is arranged at the top of the first connecting part 11, a second connecting part 13 is arranged at the bottom of the shell 1, and the second connecting part 13 corresponds to the first connecting part 11;
a positioning plate 16 is arranged on one side of the outer wall of the shell 1, fastening plates 17 are arranged on one side of the outer wall of the positioning plate 16, the number of the fastening plates 17 is two, the two fastening plates 17 correspond to each other, fixing screw holes 18 are formed in two sides of the inner wall of the positioning plate 16, screw rods 19 are inserted into the fixing screw holes 18, fixing nuts 20 are connected to one side of the outer wall of each screw rod 19 in a threaded mode, and locking nuts 21 are connected to one side, close to the fixing nuts 20, of the outer wall of each screw rod 19 in a threaded mode;
locating plate 16 and one fixedly connected with compression spring 22 between mounting plate 17, two location screw 23 has all been seted up to mounting plate 17 inner wall both sides, screw rod 19 and location screw 23 phase-match, mounting plate 17 inner wall both sides have all been seted up draw-in groove 24, two it is corresponding between the draw-in groove 24, the inside joint of draw-in groove 24 has rubber protection piece 25.
Further, in the above technical scheme, both sides of the outer wall of the inner conductor 3 are provided with insulating sleeves 7, one side of the outer wall of each insulating sleeve 7 is provided with a baffle ring 8, and the baffle rings 8 are matched with the inner wall of the shell 1.
Further, in the above technical scheme, one side of the outer wall of the baffle ring 8, which is far away from the insulating sleeve 7, is provided with an inner shell 9, the inner conductor 3 penetrates through the baffle ring 8 and extends to one side of the outer wall of the inner shell 9, a fixed sleeve ring 10 is arranged inside the inner shell 9, and the fixed sleeve ring 10 is in interference connection with the inner conductor 3.
Further, in the above technical solution, the outer wall of the second connecting portion 13 is provided with an anti-slip layer 14, and both sides of the outer wall of the housing 1 are provided with anti-slip ribs 26.
Further, in the above technical solution, a sealing nut 6 is arranged on one side of the outer wall of the insulator 5, which is far away from the gas discharge tube 4, the sealing nut 6 is in threaded connection with one side of the inner wall of the housing 1, and an insulating protection handle 15 is fixedly connected to the outer wall of the sealing nut 6.
Further, in the above technical solution, the cross-sectional shape of the fastening plate 17 is set to be an arc, and both the fastening plates 17 are matched with the housing 1.
This practical theory of operation:
referring to the attached drawings 1-5 in the specification, when the utility model is used, firstly, the positioning plate 16 is placed on one side of the connecting device, then the positioning plate 16 and the connecting device are positioned and fixed through the screw rod 19, then the fixing nut 20 is used for fixing the positioning plate 16, then the shell 1 is placed between the two fastening plates 17, the positioning screw holes 23 on the two sides of the inner walls of the two fastening plates 17 penetrate through the screw rod 19, the fastening plates 17 are fixed on the outer wall of the positioning plate 16 through the locking nut 21, so that the shell 1 is not in electrical contact with a circuit, only has overvoltage impact impedance, has the functions of obviously reducing lightning overvoltage, effectively weakening lightning current damage and facilitating the installation and fixation of a discharge tube, and meanwhile, the gas 4 is sealed by the insulator 5 and the sealing nut 6, thereby preventing the shell 1 from being opened mistakenly to cause the change of the internal parameters of the shell 1 and the impedance mismatching to influence the transmission performance, the utility model has simple installation, can effectively protect the connecting equipment and the lightning protection device shell 1, improves the safety performance and reduces the cost.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (6)
1. The utility model provides a novel antenna feeder lightning protection device, includes shell (1), its characterized in that: a grounding screw (2) is connected to one side of the inner wall of the shell (1) in a threaded manner, an inner conductor (3) is arranged at the central axis of the inner wall of the shell (1), a gas discharge tube (4) is arranged on the inner wall of the inner conductor (3), an insulator (5) is arranged on one side of the outer wall of the gas discharge tube (4), a first connecting part (11) is arranged at the central axis of the top of the shell (1), a threaded sleeve (12) is arranged at the top of the first connecting part (11), a second connecting part (13) is arranged at the bottom of the shell (1), and the second connecting part (13) corresponds to the first connecting part (11);
a positioning plate (16) is arranged on one side of the outer wall of the shell (1), fastening plates (17) are arranged on one side of the outer wall of the positioning plate (16), the number of the fastening plates (17) is two, the two fastening plates (17) correspond to each other, fixing screw holes (18) are formed in both sides of the inner wall of the positioning plate (16), screw rods (19) are inserted into the fixing screw holes (18), fixing nuts (20) are connected to one side of the outer wall of each screw rod (19) in a threaded mode, and locking nuts (21) are connected to one side, close to the fixing nuts (20), of the outer wall of each screw rod (19) in a threaded mode;
locating plate (16) and one fixedly connected with compression spring (22), two between mounting plate (17) location screw (23) have all been seted up to mounting plate (17) inner wall both sides, screw rod (19) and location screw (23) phase-match, draw-in groove (24), two have all been seted up to mounting plate (17) inner wall both sides corresponding between draw-in groove (24), the inside joint of draw-in groove (24) has rubber protection piece (25).
2. The novel antenna feeder lightning protection device of claim 1, characterized in that: the inner conductor is characterized in that insulating sleeves (7) are arranged on two sides of the outer wall of the inner conductor (3), a baffle ring (8) is arranged on one side of the outer wall of each insulating sleeve (7), and the baffle rings (8) are matched with the inner wall of the shell (1).
3. The novel antenna feeder lightning protection device of claim 2, characterized in that: keep off ring (8) outer wall and keep away from insulating cover (7) one side and be equipped with inside casing (9), inner conductor (3) run through and keep off ring (8) and extend to inside casing (9) outer wall one side, inside fixed lantern ring (10) that is equipped with of inside casing (9), fixed lantern ring (10) are connected with inner conductor (3) interference.
4. The novel antenna feeder lightning protection device of claim 1, characterized in that: the outer wall of the second connecting part (13) is provided with an anti-skid layer (14), and anti-skid convex patterns (26) are arranged on two sides of the outer wall of the shell (1).
5. The novel antenna feeder lightning protection device of claim 1, characterized in that: and a sealing nut (6) is arranged on one side, away from the gas discharge tube (4), of the outer wall of the insulator (5), the sealing nut (6) is in threaded connection with one side of the inner wall of the shell (1), and an insulating protection handle (15) is fixedly connected to the outer wall of the sealing nut (6).
6. The novel antenna feeder lightning protection device of claim 1, characterized in that: the cross-sectional shape of the fastening plate (17) is arc-shaped, and the fastening plate (17) is matched with the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818106.4U CN216489751U (en) | 2021-08-05 | 2021-08-05 | Novel antenna feeder lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818106.4U CN216489751U (en) | 2021-08-05 | 2021-08-05 | Novel antenna feeder lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216489751U true CN216489751U (en) | 2022-05-10 |
Family
ID=81432624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818106.4U Active CN216489751U (en) | 2021-08-05 | 2021-08-05 | Novel antenna feeder lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216489751U (en) |
-
2021
- 2021-08-05 CN CN202121818106.4U patent/CN216489751U/en active Active
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