CN202662832U - Impedance conversion connector - Google Patents
Impedance conversion connector Download PDFInfo
- Publication number
- CN202662832U CN202662832U CN 201220257191 CN201220257191U CN202662832U CN 202662832 U CN202662832 U CN 202662832U CN 201220257191 CN201220257191 CN 201220257191 CN 201220257191 U CN201220257191 U CN 201220257191U CN 202662832 U CN202662832 U CN 202662832U
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- CN
- China
- Prior art keywords
- cable
- gland
- impedance transformation
- wiring support
- connector
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- 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 - Fee Related
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Abstract
The utility model relates to an impedance conversion connector, which comprises a connector main body, wherein a first end of the connector main body is provided with a coaxial cable interface; a connecting bracket is arranged in a second end of the connector main body; a side face of the second end of the connector main body is provided with a window which is opposite to the connecting bracket; a gland is arranged in the window; the connecting bracket is provided with a cable clamping sheet which is opposite to the window; and the gland is buckled on the connecting bracket and is used for pressing a cable on the cable clamping sheet. According to the impedance conversion connector, the side face of the second end of the connector main body is provided with the window, the gland is arranged in the window, and the cable is pressed on the cable clamping sheet through the gland, so that cable connection can be finished without using a tool and the operation efficiency and the maintenance efficiency are increased; and because of the structure, the size of the impedance conversion connector can be reduced, and the connection density and the reliability for connection are improved.
Description
Technical field
The utility model relates to connector, more particularly, relates to a kind of impedance transformation connector.
Background technology
In the digital distribution frame field, connector unit is divided into three kinds of the uneven formula connector of 75 Ω/75 Ω, 120 Ω/120 Ω balanced type connectors and 75 Ω/120 Ω impedance transformation connectors.75 Ω/120 Ω impedance transformation connectors are a kind of connectors for conversion connection between radio frequency coaxial-cable and the symmetrical cable, the characteristic impedance of coaxial cable is 75 Ω, the characteristic impedance of symmetrical cable is 120 Ω, the impedance transformation connector is widely used in the connection device between the digital multiplex equipment, or in the connection device between digital multiplex equipment and the programme-controlled exchange, realize the functions such as switching, distribution, line transfer, guarantee the high efficiency of transmission of signal.Common coaxial conversion connector has several forms such as Siemens SMA, BNC.
Along with the integrated and fitting operation requirement of communication equipment is more and more higher, have higher requirement for volume and the fitting operation of impedance transformation connector.
Fig. 1 is the schematic diagram of existing a kind of impedance transformation connector, the first end of this connector has coaxial cable interface 1, and the other end is provided with binding post 2, because the existence of binding post, cause the volume of impedance transformation connector large, density is low, the too much device space that taken.In addition, when cable is connected with binding post, need to carry out fitting operation by instrument or equipment, inconvenient operation and efficient are low, and artificial installation cost is high.
Fig. 2 is the schematic diagram of the another kind of impedance transformation connector of prior art, it is provided with wire clamping connected sheet 3 in connector body, the wire clamping connected sheet covers in the nut, although the impedance transformation connector volume of this kind structure is little, but can only connect 2 with wire, when the user need to connect three wires, ground wire can only be welded on the outer wall of connector, firm welding is difficult to guarantee and affect product appearance.This impedance transducer need to use specific purpose tool carry out fitting operation in operating process, and inconvenient operation and efficient are low, and artificial installation cost is high, become the end operation to finish after the external environment condition abilities such as product opposing vibration, bump relatively a little less than.
The utility model content
The technical problems to be solved in the utility model is, the defects that exists for the impedance transformation connector of prior art, a kind of impedance transformation connector is provided, and this impedance transformation connector has that volume is little, density is high, exempt from instrument fitting operation, high reliability.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of impedance transformation connector, comprise connector body, the first end of described connector body has coaxial cable interface, be provided with the wiring support in the second end of described connector body, the side of the second end of described connector body has over against the window of described wiring support, be provided with gland in the described window, described wiring support is provided with the cable clamping sheet over against described window, and described gland is buckled on the described wiring support and with cable and is crimped on the described cable clamping sheet.
In impedance transformation connector described in the utility model, the end of described gland and described wiring support or connector body are rotationally connected.
In impedance transformation connector described in the utility model, the end of described gland has the shaft of semi-cylindrical form, and described wiring support has the swivelling chute of accommodating described shaft, and described shaft inserts in the described swivelling chute.
In impedance transformation connector described in the utility model, the front end of described gland is provided with back-off, and described wiring support is provided with the button bit that cooperates with described back-off.
In impedance transformation connector described in the utility model, described cable clamping sheet be two, three or more.
In impedance transformation connector described in the utility model, described wiring support has for the cable passage that cable is caused described cable clamping sheet.
In impedance transformation connector described in the utility model, described cable passage is the through hole that is arranged on the described wiring support.
In impedance transformation connector described in the utility model, described gland has for the many groups line ball section that cable is pressed into the cable compressing piece.
In impedance transformation connector described in the utility model, every group of line ball section comprises two projections, and when described gland was buckled on the described wiring support, two projections laid respectively at the both sides of described cable clamping sheet.
Implement impedance transformation connector of the present utility model, has following beneficial effect: in impedance transformation connector of the present utility model, side opening at the second end of connector body has window, gland is set in window, cable is crimped on the cable clamping sheet by gland, need to can not finish cable by instrument and connect, improve the efficient of Operation and Maintenance; This structure can reduce the volume of impedance transformation connector, improves Connection Density and is connected reliability with connection.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of a kind of impedance transformation connector of prior art;
Fig. 2 is the schematic diagram of the another kind of impedance transformation connector of prior art;
Fig. 3 is the schematic diagram of the preferred embodiment of impedance transformation connector of the present utility model;
Fig. 4 a is one of schematic perspective view of gland in the preferred embodiment of impedance transformation connector of the present utility model;
Fig. 4 b be gland in the preferred embodiment of impedance transformation connector of the present utility model schematic perspective view two;
Fig. 5 a is one of schematic perspective view of wiring support in the preferred embodiment of impedance transformation connector of the present utility model;
Fig. 5 b be wiring support in the preferred embodiment of impedance transformation connector of the present utility model schematic perspective view two;
Fig. 6 is that the master when gland is opened in the preferred embodiment of impedance transformation connector of the present utility model looks schematic diagram;
Fig. 7 is the schematic perspective view when gland is opened in the preferred embodiment of impedance transformation connector of the present utility model;
Fig. 8 is the cross-sectional schematic when gland is opened in the preferred embodiment of impedance transformation connector of the present utility model;
Fig. 9 is the schematic diagram when gland is buckled on the wiring support in the preferred embodiment of impedance transformation connector of the present utility model;
Figure 10 is the schematic cross-section when gland is buckled on the wiring support in the preferred embodiment of impedance transformation connector of the present utility model.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 3, a preferred embodiment for impedance transformation connector of the present utility model, a kind of 75 Ω/120 Ω impedance transformation connectors, this impedance transformation connector comprises, comprise connector body 10, the first end of connector body 10 has coaxial cable interface 11, and coaxial cable interface 11 is used for being connected with coaxial cable.Be provided with wiring support 20 in the second end of connector body 10, wiring support 20 can be used for the connected symmetrical dendrimer cable, wiring support 20 is made by plastic cement, wiring support 20 can be and connector body 10 independent parts independently mutually, being arranged in the connector body 10, perhaps also can be the part of connector body 10.
Side at the second end of connector body 10 has over against the window of wiring support 20, be provided with gland 30 in the window, gland 30 also is to be made by plastic cement, and the end of gland 30 can be rotationally connected with connector body 10 or wiring support 20, or dismountable mode that is rotationally connected connects.Wiring support 20 is provided with the cable clamping sheet 21 over against window, and the front end of gland 30 is connected with wiring support 20 buckles, when gland 30 is buckled on the wiring support 20, cable can be crimped on the cable clamping sheet 21.Impedance transformation connector of the present utility model owing to offer window in the side of connector body 10, arranges the cable crimping structure, is conducive to the volume miniaturization of impedance transformation connector, improves the density of setting of connector.
Referring to Fig. 6 to Figure 10, in the present embodiment, the end of gland 30 and wiring support 20 detachably are rotationally connected.Concrete, referring to Fig. 4 a to Fig. 5 b, in the present embodiment, the end of gland 30 has the shaft 31 of semi-cylindrical form, wiring support 20 has the swivelling chute 201 of accommodating shaft 31, shaft 31 inserts in the swivelling chute 201, and shaft 31 can be in swivelling chute 201 interior rotations, and shaft 31 can be by extracting out in the swivelling chute 201.Certainly, being not limited to this concrete mode that detachably is rotationally connected between gland 30 and the wiring support 20, also can be the applicable modes that are rotationally connected of other any routines, the mode that is rotationally connected that for example rotating shaft and axis hole match.In the present embodiment, the front end of gland 30 is provided with back-off 301, wiring support 20 is provided with the button bit 202 that cooperates with back-off 301, when gland 30 is withheld on wiring support 20, back-off 301 snaps in the button bit 202, certainly, also can button bit be set at gland 30, and at wiring support 20 back-off is set, perhaps adopt other suitable manner.
Referring to Fig. 7, in the present embodiment, can connect 2 cables, 3 cables or many cables on the wiring support 20, corresponding, cable clamping sheet 21 can for two, three or more, cable clamping sheet 21 is binding post commonly used, it is to have sharp V groove sheet metal, outer field insulating barrier that can pierce cable when cable is pressed into the V groove makes cable and 21 conductings of cable clamping sheet.Wiring support 20 has for the cable passage 203 that cable is caused cable clamping sheet 21, these cable passages 203 are for being arranged on the through hole on the wiring support 20, cable passage 203 also can be to be made of groove, cable can pass cable passage 203 and enter into cable clamping sheet 21 places, and is stuck in the V groove of cable clamping sheet 21.Referring to Fig. 4 b, Fig. 6, Fig. 7 and Fig. 8, in order to make things convenient for the crimping cable, in the present embodiment, gland 30 has for the many groups line ball section that cable is pressed into cable compressing piece 21, and every group of line ball section comprises two projections 302, when gland 30 is buckled on the wiring support 20, two projections 302 lay respectively at the both sides of cable clamping sheet 21, when gland and wiring support 20 fastening, two projections 302 are pressed into cable in the V groove of cable clamping sheet 21, make cable and 21 conductings of cable clamping sheet.During cooperation, because rear end and the wiring support 20 of gland 30 are rotationally connected, when pressing the front end of gland 30, can form leverage, to ensure enough power cable is pressed in the cable clamping sheet 21.
In the impedance transformation connector of the present utility model, gland 30 is connected with the wiring support can only by the buckle connection, at this moment, not need the end of gland 30 and wiring support 20 to be rotationally connected yet.But for easy to operate, preferred end is rotationally connected, and the front end buckle connects.
2 of wiring support 10 disposable clampings of the present utility model or 3 even more multi-thread cable are realized freely switching of number of cables.Under the impedance transformation connector is wanted cube is little, density is high prerequisite, design the rotary clamp type thread depressing mechanism according to lever principle, whole mechanism is comprised of gland 30 and wiring support 20, in inserting the swivelling chute 201 of wiring support 20, the end of gland 30 forms a leverage, effectively reduce the dynamics of crimping cable, reach the effect of exempting from the instrument fitting operation.Gland 30 and wiring support 20 are clasped, and when gland 30 was pressed in the wiring support 20, the cable clamping was finished, and both complement each other to form an Anti-loosen stop structure.This structure prevents effectively that the loose or dislocation phenomenon from appearring in gland 30 and to affect product attractive in appearance, and the cable on 30 pairs of cable clampings of gland sheet 21 applies pretightning force simultaneously, and cable connects more reliable.
In impedance transformation connector of the present utility model, side opening at the second end of connector body has window, and gland is set in window, and cable is crimped on the cable clamping sheet by gland, need to can not finish cable by instrument and connect, improve the efficient of Operation and Maintenance; This structure can reduce the volume of impedance transformation connector, improves Connection Density and is connected reliability with connection.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (9)
1. impedance transformation connector, it is characterized in that, comprise connector body (10), the first end of described connector body (10) has coaxial cable interface (11), be provided with wiring support (20) in the second end of described connector body (10), the side of the second end of described connector body (10) has over against the window of described wiring support (20), be provided with gland (30) in the described window, described wiring support (20) is provided with the cable clamping sheet (21) over against described window, and described gland (30) is buckled in described wiring support (20) and upward and with cable is crimped on the described cable clamping sheet (21).
2. impedance transformation connector according to claim 1 is characterized in that, the end of described gland (30) and described wiring support (20) or connector body (10) are rotationally connected.
3. impedance transformation connector according to claim 1, it is characterized in that, the end of described gland (30) has the shaft (31) of semi-cylindrical form, described wiring support (20) has the swivelling chute (201) of accommodating described shaft (31), and described shaft (31) inserts in the described swivelling chute (201).
4. impedance transformation connector according to claim 1 is characterized in that, the front end of described gland (30) is provided with back-off (301), and described wiring support (20) is provided with the button bit (202) that cooperates with described back-off (301).
5. impedance transformation connector according to claim 1 is characterized in that, described cable clamping sheet (21) be two, three or more.
6. impedance transformation connector according to claim 1 is characterized in that, described wiring support (20) has for the cable passage (203) that cable is caused described cable clamping sheet (21).
7. impedance transformation connector according to claim 6 is characterized in that, described cable passage (203) are for being arranged on the through hole on the described wiring support (20).
8. impedance transformation connector according to claim 1 is characterized in that, described gland (30) has for the many groups line ball section that cable is pressed into cable compressing piece (21).
9. impedance transformation connector according to claim 8, it is characterized in that, every group of line ball section comprises two projections (302), and when described gland (30) was buckled on the described wiring support (20), two projections (302) laid respectively at the both sides of described cable clamping sheet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257191 CN202662832U (en) | 2012-06-01 | 2012-06-01 | Impedance conversion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257191 CN202662832U (en) | 2012-06-01 | 2012-06-01 | Impedance conversion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662832U true CN202662832U (en) | 2013-01-09 |
Family
ID=47457714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257191 Expired - Fee Related CN202662832U (en) | 2012-06-01 | 2012-06-01 | Impedance conversion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450828A (en) * | 2015-08-04 | 2017-02-22 | 格邶克股份有限公司 | Connector for coaxial cable |
| TWI601350B (en) * | 2015-07-29 | 2017-10-01 | Kopek Pacific Ltd | Coaxial cable connector |
-
2012
- 2012-06-01 CN CN 201220257191 patent/CN202662832U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI601350B (en) * | 2015-07-29 | 2017-10-01 | Kopek Pacific Ltd | Coaxial cable connector |
| CN106450828A (en) * | 2015-08-04 | 2017-02-22 | 格邶克股份有限公司 | Connector for coaxial cable |
| CN106450828B (en) * | 2015-08-04 | 2019-01-22 | 格邶克股份有限公司 | Coaxial cable connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI SUNSEA COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: RIHAI COMMUNICATION TECHNOLOGY CO., LTD.;SHENZHEN CITY Effective date: 20130509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 430205 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130509 Address after: 430205 Hubei city in Wuhan Province Economic Development Zone Jiangxia canglongdao Office Patentee after: HUBEI RIHAI COMMUNICATION TECHNOLOGY CO., LTD. Address before: The comprehensive building of Tsinghua Nanshan District Keyuan Road, Shenzhen city of Guangdong province in 518057 floor No. 107 Patentee before: Shenzhen Sunsea Telecommunications Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: Shenzhen Sunsea Telecommunications Co., Ltd. Address before: 430205 Office of Tibet Dragon Island office, Jiangxia District Economic Development Zone, Wuhan, Hubei Patentee before: HUBEI RIHAI COMMUNICATION TECHNOLOGY CO., LTD. |
|
| 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: 20130109 Termination date: 20180601 |