CN215070528U - N-type connector capable of reducing VSWR - Google Patents
N-type connector capable of reducing VSWR Download PDFInfo
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- CN215070528U CN215070528U CN202120637864.XU CN202120637864U CN215070528U CN 215070528 U CN215070528 U CN 215070528U CN 202120637864 U CN202120637864 U CN 202120637864U CN 215070528 U CN215070528 U CN 215070528U
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- insulator
- shell
- diameter section
- vswr
- type connector
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- 239000012212 insulator Substances 0.000 claims abstract description 66
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 238000002788 crimping Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 3
- 210000000078 claw Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a reduce N type connector of VSWR, including the shell, the one end of shell is rotated and is provided with the swivel nut, the other end of shell has the spool, the inside of shell is provided with the pore that link up with the spool, the inside of pore is equipped with inner conductor; the part of the inner conductor, which is positioned in the shell, is provided with a first diameter section and a second diameter section which are coaxially connected into a whole structure, and the diameter of the first diameter section is smaller than that of the second diameter section; a first insulator is arranged between the outer side of the first diameter section and the shell, and a second insulator is arranged between the outer side of the second diameter section and the shell; the utility model discloses can compensate the discontinuous electric capacity that the inner conductor diameter change arouses, promote VSWR performance index.
Description
Technical Field
The utility model belongs to the technical field of the connector, concretely relates to reduce VSWR's N type connector.
Background
The N-type coaxial connector is a model which is very commonly used in the market of the current coaxial connector, according to the international design standard of the N-type connector, the N-type male connector is required to be provided with a rotatable connecting threaded sleeve, the connecting threaded sleeve is connected with the outer shell of the coaxial connector through a C-type snap ring, meanwhile, a thread which is the same as the N-type female connector in model is designed in the connector threaded sleeve, so that when the N-type coaxial connector is used specifically, the connecting threaded sleeve of the N-type male connector is butted in advance, and then a specified torque wrench is used for screwing the connecting threaded sleeve outside the N-type coaxial connector to butt the male connector and the female connector.
In the prior art, a chinese utility model patent with application number cn201821688717.x discloses a quick-insertion type N-type male connector structure, which comprises an outer shell, a rubber ring, a contact, an insulating medium and an inner conductor, wherein a stepped hole is formed in the center of the outer shell, the stepped hole comprises a first stepped hole, a second stepped hole, a third stepped hole and a fourth stepped hole, and the diameters of the first stepped hole, the second stepped hole, the third stepped hole and the fourth stepped hole are gradually reduced; one end of the inner conductor is connected in the middle hole of the insulating medium, and the other end of the inner conductor extends out of the contact and is positioned in the first stepped hole.
However, in the above prior art, the diameter of the inner conductor located inside the insulating medium changes in a step manner, which may destroy the uniformity of the electromagnetic field distribution, thereby causing impedance mismatch.
Therefore, it is necessary to design an N-type connector capable of compensating the discontinuous capacitance caused by the diameter change of the inner conductor and improving the VSWR performance index to reduce the VSWR, so as to solve the technical problems faced at present.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a can compensate the discontinuous electric capacity that the inner conductor diameter change arouses, promote VSWR performance index's the N type connector that reduces VSWR.
The technical scheme of the utility model is that: the N-type connector for reducing the VSWR comprises a shell, wherein a threaded sleeve is rotatably arranged at one end of the shell, a wire tube is arranged at the other end of the shell, a hole which is communicated with the wire tube is formed in the shell, and an inner conductor is assembled in the hole; the part of the inner conductor, which is positioned in the shell, is provided with a first diameter section and a second diameter section which are coaxially connected into a whole structure, and the diameter of the first diameter section is smaller than that of the second diameter section; the outside of first diameter section with be provided with first insulator between the shell, the outside of second diameter section with be provided with the second insulator between the shell.
The second insulator suit is in the outside of second diameter section, the one end of second insulator have with inner conductor assorted bulge loop, the other end of second insulator have with first insulator tip assorted mounting groove.
The inner side of the shell and the position corresponding to the second insulator are evenly provided with a plurality of clamping jaws, and the second insulator is in interference fit between the clamping jaws.
The outside of second diameter section is surrounded and is provided with rather than the ka tai of structure as an organic whole, ka tai interference fit is in inside the second insulator.
And a second step and a first step are sequentially arranged at one end of the first insulator, which is deviated from the second insulator, and the inside of the shell is matched with the first step and the second step.
The dielectric coefficient of the first insulator is 3.15, and the dielectric coefficient of the second insulator is 2.02.
And one end of the wire pipe, which is far away from the shell, is sleeved with a crimping sleeve, and the outer side of the crimping sleeve is sleeved with a sleeve.
The thread insert is close to the inner side of the end part of the shell is provided with a first annular groove, the outer side of the shell is provided with a second annular groove corresponding to the first annular groove, and a clamping ring is assembled inside the first annular groove and the second annular groove.
And a gasket is arranged at the end part of the shell positioned in the screw sleeve.
The utility model has the advantages that: the utility model discloses in, because the inner conductor is located that the diameter changes between the inside first diameter section of shell and the second diameter section, the homogeneity that the electromagnetic field distributes has been destroyed, through at the outside suit first insulator of first diameter section, at second diameter section outside suit second insulator, the inductance and reactance compensation through first insulator and second insulator department between the discontinuous electric capacity of diameter change hard gas with the second diameter section, play the effect of high reactance compensation, thereby reduce the reflection of signal of telecommunication in transmission process, reduce VSWR, promote VSWR performance index.
Drawings
Fig. 1 is a schematic structural diagram of an N-type connector for reducing VSWR according to the present invention.
Fig. 2 is a schematic structural diagram of the second insulator of the present invention.
Fig. 3 is a schematic structural diagram of the first insulator of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1, the N-type connector for reducing VSWR includes a housing 7, a threaded sleeve 1 is rotatably disposed at one end of the housing 7, a conduit 701 is disposed at the other end of the housing 7, a duct 703 communicated with the conduit 701 is disposed inside the housing 7, and an inner conductor 4 is mounted inside the duct 703; the part of the inner conductor 4 in the outer shell 7 is provided with a first diameter section 401 and a second diameter section 402 which are coaxially connected into a whole structure, and the diameter of the first diameter section 401 is smaller than that of the second diameter section 402; a first insulator 5 is arranged between the outer side of the first diameter section 401 and the outer shell 7, a second insulator 6 is arranged between the outer side of the second diameter section 402 and the outer shell 7, in this embodiment, a cable is inserted into the conduit 701 and connected with the inner conductor 4, the screw sleeve 1 is used for being detachably and fixedly connected with the connecting seat, the diameter of the inner conductor 4 between the first diameter section 401 and the second diameter section 402 inside the outer shell 7 is changed, the uniformity of electromagnetic field distribution is damaged, the first insulator 5 is sleeved outside the first diameter section 401, the second insulator 6 is sleeved outside the second diameter section 402, the inductive reactance of the first insulator 5 and the second insulator 6 compensates the discontinuous capacitance of hard gas with the diameter change between the first diameter section 401 and the second diameter section 402, the high-impedance compensation is achieved, and the reflection of an electric signal in the transmission process is reduced, reduce VSWR, promote VSWR performance index.
As shown in fig. 2, the second insulator 6 is sleeved outside the second diameter section 402, one end of the second insulator 6 is provided with a convex ring 601 matched with the inner conductor 4, the convex ring 601 and the second insulator 6 are of an integral structure, the other end of the second insulator 6 is provided with a mounting groove 602 matched with the end of the first insulator 5, the end of the first insulator 5 is inserted into the mounting groove 602, the second insulator 5 is interference-assembled inside the duct 703 of the housing 7, and the first insulator 5 is pressed and fixed inside the housing 7.
Further, in order to improve the stability of the second insulator 6 fixed inside the housing 7, a plurality of claws 701 are uniformly arranged on the inner side of the housing 7 and at positions corresponding to the second insulator 6, specifically, four claws 701 are uniformly arranged around a pore 703 inside the housing 7, the four claws 701 are integrated with the housing 7, the claws 701 and the housing 7 are integrated, the second insulator 6 is assembled between the claws 701 in an interference manner, the second insulator 6 is clamped and fixed inside the housing 7 through the claws 701, and the stability of connection between the second insulator 6 and the housing 7 can be improved.
Further, the outside of second diameter section 402 is provided with rather than the card platform 403 of structure as an organic whole around, and card platform 403 is the annular structure as an organic whole with second diameter section 402, and card platform 403 interference fit is inside second insulator 6, and through the tight cooperation in inside top of card platform 403 and insulator 6, can improve the stability of being connected between second diameter section 402 and the second insulator 6, can be fixed in inside second insulator 6 with inner conductor 4.
As shown in fig. 3, a second step 502 and a first step 501 are sequentially disposed at one end of the first insulator 5 away from the second insulator 6, the inside of the housing 7 is matched with the first step 501 and the second step 502, the housing 7 can block and limit the first insulator 5 by matching the second step 502 with the housing 7, and the first insulator 5 is tightly pressed by the second insulator 6 at the other end of the first insulator 5, so that the first insulator 5 can be fixed inside the housing 7.
More specifically, in the above embodiment, the permittivity of the first insulator 5 is 3.15, and the permittivity of the second insulator 6 is 2.02
The one end cover that deviates from mutually with shell 7 on the spool 701 is equipped with crimping cover 8, can compress tightly fixedly between cable and the spool 701 through crimping cover 8, and the outside cover of crimping cover 8 is equipped with sleeve pipe 9, and sleeve pipe 9 can adopt the pyrocondensation pipe, and the sleeve pipe 9 parcel after the pyrocondensation can strengthen the joint strength between cable and the crimping pipe 8 on the one hand, and on the other hand plays the guard action to the cable.
The inner side of the end part of the screw sleeve 1 close to the shell 7 is provided with a first ring groove 101, the outer side of the shell 7 is provided with a second ring groove 702 corresponding to the first ring groove 101, and the first ring groove 101 and the second ring groove 702 are internally provided with a snap ring 3.
The end part of the shell 7, which is positioned inside the screw sleeve 1, is provided with a gasket 2, the gasket 2 can be a rubber gasket, and the gasket 2 is fixedly bonded to the end part of the shell 7.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The N-type connector for reducing VSWR is characterized by comprising a shell, wherein one end of the shell is rotatably provided with a threaded sleeve, the other end of the shell is provided with a wire tube, a hole communicated with the wire tube is formed in the shell, and an inner conductor is assembled in the hole; the part of the inner conductor, which is positioned in the shell, is provided with a first diameter section and a second diameter section which are coaxially connected into a whole structure, and the diameter of the first diameter section is smaller than that of the second diameter section; the outside of first diameter section with be provided with first insulator between the shell, the outside of second diameter section with be provided with the second insulator between the shell.
2. The VSWR reducing N-type connector of claim 1, wherein: the second insulator suit is in the outside of second diameter section, the one end of second insulator have with inner conductor assorted bulge loop, the other end of second insulator have with first insulator tip assorted mounting groove.
3. The VSWR reducing N-type connector of claim 1, wherein: the inner side of the shell and the position corresponding to the second insulator are evenly provided with a plurality of clamping jaws, and the second insulator is in interference fit between the clamping jaws.
4. The VSWR reducing N-type connector of claim 1, wherein: the outside of second diameter section is surrounded and is provided with rather than the ka tai of structure as an organic whole, ka tai interference fit is in inside the second insulator.
5. The VSWR reducing N-type connector of claim 1, wherein: and a second step and a first step are sequentially arranged at one end of the first insulator, which is deviated from the second insulator, and the inside of the shell is matched with the first step and the second step.
6. The VSWR reducing N-type connector of any of claims 1-5, wherein: the dielectric coefficient of the first insulator is 3.15, and the dielectric coefficient of the second insulator is 2.02.
7. The VSWR reducing N-type connector of any of claims 1-5, wherein: and one end of the wire pipe, which is far away from the shell, is sleeved with a crimping sleeve, and the outer side of the crimping sleeve is sleeved with a sleeve.
8. The VSWR reducing N-type connector of any of claims 1-5, wherein: the thread insert is close to the inner side of the end part of the shell is provided with a first annular groove, the outer side of the shell is provided with a second annular groove corresponding to the first annular groove, and a clamping ring is assembled inside the first annular groove and the second annular groove.
9. The VSWR reducing N-type connector of any of claims 1-5, wherein: and a gasket is arranged at the end part of the shell positioned in the screw sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637864.XU CN215070528U (en) | 2021-03-30 | 2021-03-30 | N-type connector capable of reducing VSWR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637864.XU CN215070528U (en) | 2021-03-30 | 2021-03-30 | N-type connector capable of reducing VSWR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215070528U true CN215070528U (en) | 2021-12-07 |
Family
ID=79151931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120637864.XU Expired - Fee Related CN215070528U (en) | 2021-03-30 | 2021-03-30 | N-type connector capable of reducing VSWR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215070528U (en) |
-
2021
- 2021-03-30 CN CN202120637864.XU patent/CN215070528U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |