CN204905405U - Waveguide branch coupler - Google Patents
Waveguide branch coupler Download PDFInfo
- Publication number
- CN204905405U CN204905405U CN201520643499.8U CN201520643499U CN204905405U CN 204905405 U CN204905405 U CN 204905405U CN 201520643499 U CN201520643499 U CN 201520643499U CN 204905405 U CN204905405 U CN 204905405U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- housing
- waveguide branching
- branching coupler
- ring flange
- 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 - Fee Related
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Abstract
The utility model relates to a waveguide branch coupler. This coupler includes casing, apron, locating pin, coupling metal cylinder and a plurality of ring flange, the casing is in the same place to constitute through adapting unit fastening laminating with the apron and is had the body that conducts the cavity, ring flange welded fastening is in each port department of the conduction cavity of body, be provided with two located the housing pinholes on the casing, be provided with on the apron with the apron location pinhole that the located the housing pinhole corresponds, located the housing pinhole and apron location pinhole department insert to establish and are fixed with the locating pin, this coupler still is provided with coupling metal cylinder in the department of branch of this internal cavity. The utility model discloses spare part is few, thereby and be convenient for the cooperation between each part and ensured the transmission of signal, the utility model discloses the advantage that still has easy manufacture, compact structure, convenient to detach.
Description
Technical field
The utility model relates to a kind of coupler, particularly a kind of Waveguide branching coupler.
Background technology
Along with the development of radar signal processing field, Waveguide branching coupler becomes very important equipment in radar signal processing field, Waveguide branching coupler is widely used in radar and satellite fields, extremely important for compact conformation Waveguide branching coupler.Because current most of coupler adopts welding fabrication or directly machine work, welding can cause the distortion of part and stress to add up, there is slag inclusion pore, affect the performance of the attractive in appearance of profile and coupler, and for the less coupler of size, welding and mach difficulty is large, cost is high, technology has limitation.
Utility model content
The utility model is in order to overcome above-mentioned the deficiencies in the prior art, provide a kind of Waveguide branching coupler, the utility model provides a kind of being convenient to and dismantles, facilitates debugging, compact conformation, Waveguide branching coupler with low cost, is widely used in radar and satellite fields.
For achieving the above object, the utility model have employed following technical measures:
A kind of Waveguide branching coupler, comprises housing, cover plate and some ring flanges, and described housing and cover plate are by forming the body with conducting cavity together with link secured fit, and described ring flange is weldingly fixed on each port of the conduction cavity of body; Described housing is provided with two housing dowel holes, cover plate is provided with the cover plate dowel hole corresponding with described housing dowel hole, described housing dowel hole and cover plate dowel hole place plug and are fixed with alignment pin; This coupler is also provided with coupling metal cylinder in the bifurcation of intrinsic cavity.
The utility model can also be realized further by following technical measures.
Preferably, described housing with the plate face that cover plate docks is provided with and each port respectively corresponding groove be connected of body, described cover plate becomes tabular.
Preferably, described ring flange is set to four, and a four ring flanges between two component become two groups, and wherein one group of upside being arranged on body forms upper flange dish group, the two ends that another group is arranged on body form end flange dish group, and the center of four ring flanges is in same plane; The contact-making surface of the flange face of described ring flange and each port of body closely fits together.
Preferably, described link is sunk screw, and described sunk screw is set to 8.
Preferably, the material of described ring flange, housing, cover plate is H62 brass, and the side towards conduction cavity of the groove that the flange groove of ring flange, housing are corresponding and cover plate is provided with silver coating; The material of described coupling metal cylinder, alignment pin is No. 45 steel through modifier treatment.
Preferably, described housing and cover plate are provided with for fixed coupling metal cylinder, the fixing hole that take body as machining benchmark, the axially bored line of described fixing hole is perpendicular to the plate face of cover plate.
Preferably, the fixing hole on described coupling metal cylinder and housing forms interference fit, forms matched in clearance with the fixing hole on cover plate; Described alignment pin and described housing dowel hole form interference fit, form matched in clearance with described cover plate dowel hole.
Preferably, the side plate face deviating from conduction cavity of described cover plate and housing is coated with blue paint protective layer.
The beneficial effects of the utility model are:
1), the utility model comprises housing, cover plate, alignment pin, coupling metal cylinder and some ring flanges, described housing and cover plate are by forming the body with conducting cavity together with link secured fit, described ring flange is weldingly fixed on each port of the conduction cavity of body, therefore the utility model parts are few, and be convenient between all parts coordinate, thus ensure that the transmission of signal, the utility model also have be easy to manufacture processing, compact conformation, easy-to-dismount advantage.
2), the utility model middle shell dowel hole and cover plate dowel hole place plug and be fixed with alignment pin, ensure that the accuracy of involutory location between cover plate and housing; Described housing and cover plate pass through, together with multiple sunk screw secured fit, to ensure that the fastness connected between housing and cover plate; Described coupling metal cylinder plugs and is fixed in fixing hole, thus avoid because welding causes part deformation and stress to add up.
3), in the utility model the side towards conduction cavity of the flange groove of ring flange, groove that housing is corresponding, cover plate is provided with silver coating, and the setting of silver coating effectively reduces the loss of electromagnetic transmission; The side plate face deviating from conduction cavity of described housing and cover plate is coated with blue paint protective layer, effectively prevents metal surface to be oxidized.
4), in the utility model, described housing and cover plate are by sunk screw secured fit, described ring flange is weldingly fixed on each port of the conduction cavity of body, and what each interface therefore in the utility model all fitted together perfectly is docking together, and prevents electromagnetic-wave leakage.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 be the utility model front view A-A to cutaway view;
Fig. 4 is right view of the present utility model;
Fig. 5 is vertical view of the present utility model;
Fig. 6 is the utility model main casing front view;
Reference numeral implication in figure is as follows:
1-main casing cover plate, 2-alignment pin, 3-coupling metal cylinder
4-housing, 5-ring flange, 6-sunk screw
41-housing dowel hole, 42-groove
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1,2,6, a kind of Waveguide branching coupler comprises housing 4, cover plate 1, alignment pin 2, coupling metal cylinder 3 and 4 ring flanges 5, described housing 4 and cover plate 1 are by forming the body with conducting cavity together with 8 sunk screw secured fit, and described ring flange 5 is weldingly fixed on each port of the conduction cavity of body; Described housing 4 is provided with two housing dowel holes 41, cover plate 1 is provided with the cover plate dowel hole corresponding with described housing dowel hole 41, described housing dowel hole 41 and cover plate dowel hole place plug and are fixed with alignment pin 2, ensure that the accuracy of involutory location between cover plate and housing; This coupler is also provided with coupling metal cylinder 3 in the bifurcation of intrinsic cavity.
As shown in Fig. 1 ~ 5, described ring flange 5 is set to four, and a four ring flanges 5 between two component become two groups, and wherein one group of upside being arranged on body forms upper flange dish group, the two ends that another group is arranged on body form end flange dish group, and the center of four ring flanges 5 is in same plane; Described ring flange is weldingly fixed on each port of the conduction cavity of body, and the flange face of described ring flange 5 and the contact-making surface of external waveguide closely fit together.
During real work, electromagnetic wave signal can enter from the port of a ring flange, transfers to other ring flanges through conduction cavity and exports from corresponding port.
As shown in Figure 6, described housing 4 with the plate face that cover plate 1 docks is provided with and each port respectively corresponding groove 42 be connected of body, described cover plate 1 one-tenth tabular; The port of described groove 42 is connected with four ring flanges 5.This structure reduce further the difficulty of processing.
The material of described ring flange 5, housing 4, cover plate 1 is H62 brass, and the side towards conduction cavity of the flange groove of ring flange 5, the groove 42 of housing 4, cover plate 1 is provided with silver coating, and the setting of silver coating effectively reduces the loss of electromagnetic transmission; The material of described coupling metal cylinder 3, alignment pin 2 is No. 45 steel through modifier treatment.The side plate face deviating from conduction cavity of described cover plate 1 and housing 4 is coated with blue paint protective layer, blue paint protective layer can prevent metal surface to be oxidized effectively.
As shown in Figure 6, described housing 4 and cover plate 1 are provided with for fixed coupling metal cylinder 3, the fixing hole that take body as machining benchmark, the axially bored line of described fixing hole is perpendicular to the plate face of cover plate 1.Described coupling metal cylinder 3 forms interference fit with the fixing hole on housing 4, forms matched in clearance with the fixing hole on cover plate 1; Described alignment pin 2 forms interference fit with described housing dowel hole 41, forms matched in clearance with described cover plate dowel hole.
As shown in Figure 1, described alignment pin 2 is set to two, and coupling metal cylinder 3 is set to three, and two alignment pins 2 are symmetrically distributed in the both sides of body; Three coupling metal cylinders 3 are arranged in a row, and are laid in the bifurcation of Body Lumen evenly and at intervals.
Claims (8)
1. a Waveguide branching coupler, it is characterized in that: this coupler comprises housing (4), cover plate (1) and some ring flanges (5), described housing (4) and cover plate (1) are by forming the body with conducting cavity together with link secured fit, and described ring flange (5) is weldingly fixed on each port of the conduction cavity of body; Described housing (4) is provided with two housing dowel holes (41), cover plate (1) is provided with the cover plate dowel hole corresponding with described housing dowel hole (41), described housing dowel hole (41) and cover plate dowel hole place plug and are fixed with alignment pin (2); This coupler is also provided with coupling metal cylinder (3) in the bifurcation of intrinsic cavity.
2. a kind of Waveguide branching coupler as claimed in claim 1, it is characterized in that: described housing (4) with the plate face that cover plate (1) docks is provided with and each port respectively corresponding groove (42) be connected of body, described cover plate (1) one-tenth tabular.
3. a kind of Waveguide branching coupler as claimed in claim 2, it is characterized in that: described ring flange (5) is set to four, four ring flanges (5) between two component become two groups, wherein one group of upside being arranged on body forms upper flange dish group, the two ends that another group is arranged on body form end flange dish group, and the center of four ring flanges (5) is in same plane; The contact-making surface of the flange face of described ring flange (5) and each port of body closely fits together.
4. a kind of Waveguide branching coupler according to claim 2, is characterized in that: described link is sunk screw (6), and described sunk screw (6) is set to 8.
5. a kind of Waveguide branching coupler according to claim 2, it is characterized in that: the material of described ring flange (5), housing (4), cover plate (1) is H62 brass, the groove (42) that the flange groove of ring flange (5), housing (4) are corresponding and cover plate (1) are provided with silver coating towards the side of conducting cavity; The material of described coupling metal cylinder (3), alignment pin (2) is No. 45 steel through modifier treatment.
6. a kind of Waveguide branching coupler according to claim 2, it is characterized in that: described housing (4) and cover plate (1) are provided with for fixed coupling metal cylinder (3), the fixing hole that take body as machining benchmark, the axially bored line of described fixing hole is perpendicular to the plate face of cover plate (1).
7. a kind of Waveguide branching coupler according to claim 4, it is characterized in that: described coupling metal cylinder (3) forms interference fit with the fixing hole on housing (4), forms matched in clearance with the fixing hole on cover plate (1); Described alignment pin (2) and described housing dowel hole (41) form interference fit, form matched in clearance with described cover plate (1) dowel hole.
8. a kind of Waveguide branching coupler according to claim 1 or 3, is characterized in that: the side plate face deviating from conduction cavity of described cover plate (1) and housing (4) is coated with blue paint protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643499.8U CN204905405U (en) | 2015-08-21 | 2015-08-21 | Waveguide branch coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643499.8U CN204905405U (en) | 2015-08-21 | 2015-08-21 | Waveguide branch coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905405U true CN204905405U (en) | 2015-12-23 |
Family
ID=54927560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643499.8U Expired - Fee Related CN204905405U (en) | 2015-08-21 | 2015-08-21 | Waveguide branch coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450635A (en) * | 2016-12-08 | 2017-02-22 | 江苏贝孚德通讯科技股份有限公司 | Integrated microwave wave guide coupler |
-
2015
- 2015-08-21 CN CN201520643499.8U patent/CN204905405U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450635A (en) * | 2016-12-08 | 2017-02-22 | 江苏贝孚德通讯科技股份有限公司 | Integrated microwave wave guide coupler |
| CN106450635B (en) * | 2016-12-08 | 2021-10-01 | 江苏贝孚德通讯科技股份有限公司 | Integrated microwave waveguide coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20210821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |