CN203150702U - Rotation joint transition body - Google Patents
Rotation joint transition body Download PDFInfo
- Publication number
- CN203150702U CN203150702U CN 201320074147 CN201320074147U CN203150702U CN 203150702 U CN203150702 U CN 203150702U CN 201320074147 CN201320074147 CN 201320074147 CN 201320074147 U CN201320074147 U CN 201320074147U CN 203150702 U CN203150702 U CN 203150702U
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- Prior art keywords
- outer conductor
- transition
- joint
- transition body
- core
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Abstract
The utility model discloses a rotation joint transition body, comprising an internal rotation portion and an external rotation portion that are coaxially arranged. The internal rotation portion comprises a joint internal conductor, and an upper inner transition body and a lower inner transition body at the two ends of the joint internal conductor; ends of the upper inner transition body and the lower inner transition body are provided with insert cores; the upper inner transition body and the lower inner transition body are respectively rotatably connected with the joint internal conductor through an upper connection core and a lower connection core. The external rotation portion comprises a joint outer conductor, and an upper transition outer conductor and a lower transition outer conductor at the two ends of the joint outer conductor; the upper transition outer conductor is fixedly connected on an inner housing; the inner housing is rotatably arranged in the joint outer conductor; at least two thrust bearings are arranged between the inner housing and the joint outer conductor; the upper transition outer conductor is fixedly connected to the joint outer conductor; the internal rotation portion is arranged in a cavity formed by the joint outer conductor, the upper transition outer conductor, the inner housing and the lower transition outer conductor; and the internal rotation portion is positioned through the ends of the upper transition outer conductor and the lower transition outer conductor to guarantee normal working of a transmitter and an antenna.
Description
Technical field
The utility model relates to a kind of rotary joint transition body.
Background technology
Electromagnetic emission all will pass through antenna with receiving, and antenna is in communication process, and need are consistent with emission or receiving terminal direction, and may change the different directions place and communicate, and namely needs the direction of rotary antenna at any time.Therefore must need a kind of key component for antenna, when antenna body 360 degree rotate, owing to there is a radio frequency cable to need to rotate with antenna on the antenna body, such transition piece must be arranged, when antenna rotated, antenna output end did not rotate with antenna, and its output impedance remains unchanged, to reach good impedance matching, the antenna communication quality is improved.
Summary of the invention
At above-mentioned weak point of the prior art, the utility model aims to provide a kind of rotary joint transition body, is used for when antenna rotates, antenna output end does not rotate with antenna, and its output impedance remains unchanged, and to reach good impedance matching, the antenna communication quality is improved.
To achieve these goals, the technical solution of the utility model: a kind of rotary joint transition body, the interior rotating part and the inner rotary part that comprise coaxial setting, the joint inner wire is drawn together in the rotating part subpackage in described, and transition body in transition body, the bottom in the top at two ends, in this top in transition body, the bottom end of transition body be provided with lock pin, in the described top in transition body, the bottom transition body respectively corresponding by the top connection-core, the bottom connection-core is rotatable is connected with the joint inner wire; Described inner rotary partly comprises top transition outer conductor, the bottom transition outer conductor at joint outer conductor and two ends thereof, this top transition outer conductor is connected on the inner casing, described inner casing is rotatable to be located in the outer conductor of joint, and be provided with at least two thrust bearings between this inner casing and joint outer conductor, described bottom transition outer conductor is connected on the outer conductor of described joint; Wherein, described in rotating part set up separately and place in the cavity that described joint outer conductor, top transition outer conductor, inner casing and bottom transition outer conductor combine, described in rotating part by top transition outer conductor, location, transition outer conductor end, bottom.
Further, described inner casing periphery is installed with seal cover, and the sealing lid is rotatable to be located in the outer conductor of described joint; Described bottom transition outer conductor is fixed on the outer conductor of described joint by a shell flange, and wherein, described interior rotating part is limited on described seal cover, the shell flange by top connection-core, bottom connection-core correspondence respectively.
On described seal cover, shell flange step in is set respectively, this step is in the upper and lower port position of described joint outer conductor respectively, and described top connection-core, bottom connection-core correspondence are assemblied on the described interior step.
Between described inner casing and shell flange, be provided with clamping sleeve, and between described clamping sleeve and shell flange, be provided with spring part.
Described spring part is the top spring, and its quantity is 12, is circumferentially to be arranged between described clamping sleeve and the shell flange.
Described thrust bearing is two, and one of them supports and is located at described seal cover the inner, and is limited on the described inner casing by spring collar; Another thrust bearing supports and is located at described clamping sleeve the inner, and is limited on the described inner casing by spring collar, is provided with sleeve between two thrust bearings.
The lock pin at rotating part two ends is positioned respectively on described top transition outer conductor, the transition outer conductor end, bottom by little shell in described, and described little shell lock onto on described top transition outer conductor, the bottom transition outer conductor by dielectric ring.
Establish central passage in transition body, top connection-core, the bottom connection-core in transition body, the bottom in the described top, and the two ends of the end of transition body, joint inner wire all are made as the ladder endoporus in transition body and the bottom in described top, connection-core two ends, described top are rotatable being located in the ladder endoporus of transition body in the described top, joint inner wire respectively, and the ladder endoporus of transition body, joint inner wire leaves degree of depth surplus in the described top; Connection-core two ends, described bottom are rotatable being located in the ladder endoporus of transition body in described joint inner wire, the bottom respectively, and the ladder endoporus of transition body leaves degree of depth surplus in the described joint inner wire, bottom.
By the mutual combination between interior rotating part and the inner rotary part, make the transition outer conductor at these two ends, joint can relatively rotate between transition body in corresponding in conjunction with it, and one transition outer conductor and joint outer conductor fixedly install, and that is to say that the joint outer conductor can relatively rotate with a transition outer conductor.
After adopting said structure, when antenna rotates, antenna output end does not rotate with antenna, and its output stops and remains unchanged, and has reached the good coupling that stops, the antenna communication quality is improved, simultaneously, this joint power capacity is big, and working frequency range is wide, and standing-wave ratio, loss is little, leak level is low.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is front view of the present utility model;
Fig. 2 is the vertical profile schematic diagram of Fig. 1;
Fig. 3 is the fractionation schematic diagram of the interior rotating part among Fig. 2;
Fig. 4 is the fractionation schematic diagram that Fig. 2 China and foreign countries rotating part is removed upper and lower part transition outer conductor;
Fig. 5 is the integral body assembling schematic diagram of Fig. 2.
Embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
A kind of rotary joint transition body shown in Fig. 1-5 comprises interior rotating part and the inner rotary part of coaxial setting, joint inner wire 12 is drawn together in the rotating part subpackage in described, and transition body 16 in transition body 15, the bottom in the top at two ends, in this top in transition body 15, the bottom end of transition body 16 be provided with lock pin 19, transition body 16 is corresponding respectively in transition body 15, the bottom in the described top is connected with joint inner wire 12 by top connection-core 13, bottom connection-core 14 are rotatable;
Described inner rotary partly comprises top transition outer conductor 2, the bottom transition outer conductor 3 at joint outer conductor 1 and two ends thereof, this top transition outer conductor 2 is connected on the inner casing 4, described inner casing 4 rotatable being located in the joint outer conductor 1, and be provided with at least two thrust bearings 6,7 between this inner casing 4 and joint outer conductor 1, described bottom transition outer conductor 3 is connected on the described joint outer conductor 1;
Wherein, described in rotating part set up separately and place in the cavity that described joint outer conductor 1, top transition outer conductor 2, inner casing 4 and bottom transition outer conductor 3 combine, described in rotating part by top transition outer conductor 2, location, bottom transition outer conductor 3 ends.
Top connection-core 13 in the utility model, bottom connection-core 14 all is to be connected in its middle part by a dielectric-slab screw by two plugs that arrange dorsad to assemble, this top connection-core 13, bottom connection-core 14 is with described joint inner wire 12, transition body 15 in the top, transition body 16 coaxial lines connect in the bottom, play transfer and connect the conducting effect, and this top connection-core 13, bottom connection-core 14 is with described joint inner wire 12, transition body 15 in the top, transition body 16 relatively rotates connection each other in the bottom, play the joint effect of being rotatably connected, in addition, this top connection-core 13, bottom connection-core 14 also plays internal the rotating part spacing or positioning action on the rotating part outside.
Described inner casing 4 is one-sided tubular structure with ring flange, makes things convenient for ring flange on it and the ring flange on the top transition outer conductor 2 to be connected, and connects such as bolt, screw.And inner casing 4 other ends are by described thrust bearing 6,7 rotatable being inserted in the described joint outer conductor 1.For thrust bearing 6,7 quantity at least greater than two, the stationarity when guaranteeing that inner casing 4 relatively rotates in joint outer conductor 2, as shown in present embodiment figure, thrust bearing 6,7 is two.
And for the setting between interior rotating part and the inner rotary part, except the length between it cooperates, also be top transition outer conductor 2, the bottom transition outer conductor 3 ends location of the correspondence at internal rotating part two ends respectively.
Concrete, being installed with seal cover 5 in described inner casing 4 peripheries, sealing lid 5 is by being connected between screw and the inner casing 4, and as Fig. 2, sealing lid 5 turns to be located in the described joint outer conductor 1; Described bottom transition outer conductor 3 is fixed on the described joint outer conductor 1 by a shell flange 8, all fixes by screw between described bottom transition outer conductor 3, shell flange 8, the joint outer conductor 1.Be respectively arranged with step at described seal cover 5, shell flange 8, step is in the upper and lower port position of described joint outer conductor 1 respectively in being somebody's turn to do, described top connection-core 13, bottom connection-core 14 correspondences are assemblied on this interior step, make described interior rotating part be limited on described seal cover 5, the shell flange 8 by this top connection-core 13, bottom connection-core 14 correspondences.
In addition, between described inner casing 4 and shell flange 8, be provided with clamping sleeve 10, and between described clamping sleeve 10 and shell flange 8, be provided with spring part 9.In this example, this described spring part 9 is the top spring, and its quantity is 12, is circumferentially to be arranged between described clamping sleeve 10 and the shell flange 8.Described clamping sleeve 10 plays a supportive role at this.
For thrust bearing 6,7 setting, these two thrust bearings 6,7 one of them support and be located at described seal cover 5 the inners, and be limited on the described inner casing 4 by spring collar; Another thrust bearing supports is located at described clamping sleeve 10 the inners, and be limited on the described inner casing 4 by spring collar, be provided with sleeve 11 between two thrust bearings 6,7, the relative position that sleeve 11 is used between two thrust bearings 6,7 limits, when more a plurality of thrust bearing being set, spring collar can all be set on the inner casing 4 at thrust bearing two ends respectively carry out the fastening location, can play a part radial location.
The lock pin 19 at rotating part two ends is positioned respectively on described top transition outer conductor 2, bottom transition outer conductor 3 ends by little shell 17 in described, and described little shell 17 lock onto on described top transition outer conductor 2, the bottom transition outer conductor 3 by dielectric ring 20.
Establish central passage in transition body 16, top connection-core 13, the bottom connection-core 14 in transition body 15, the bottom in the described top, and the two ends of the end of transition body 16, joint inner wire 12 all are made as the ladder endoporus in transition body 15 and the bottom in described top, connection-core 13 two ends, described top are rotatable being located in the ladder endoporus of transition body 15 in the described top, joint inner wire 12 respectively, and the ladder endoporus of transition body 15, joint inner wire 12 leaves degree of depth surplus in the described top; Connection-core 14 two ends, described bottom are rotatable being located in the ladder endoporus of transition body 16 in described joint inner wire 12, the bottom respectively, and the ladder endoporus of transition body 16 leaves degree of depth surplus in the described joint inner wire 12, bottom.After it assembled mutually, because the existence of degree of depth surplus is arranged, each contact-making surface and the frictional force of rotating between the joint in making in the rotating part all was in minimum state, thereby makes inner core to rotate flexibly.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (8)
1. rotary joint transition body, the interior rotating part and the inner rotary part that comprise coaxial setting, it is characterized in that: joint inner wire (12) is drawn together in the rotating part subpackage in described, and transition body (16) in transition body (15), the bottom in the top at two ends, in this top in transition body (15), the bottom end of transition body (16) be provided with lock pin (19), in the described top in transition body (15), the bottom transition body (16) respectively corresponding by top connection-core (13), bottom connection-core (14) is rotatable is connected with joint inner wire (12);
Described inner rotary partly comprises top transition outer conductor (2), the bottom transition outer conductor (3) at joint outer conductor (1) and two ends thereof, this top transition outer conductor (2) is connected on the inner casing (4), described inner casing (4) is rotatable to be located in the joint outer conductor (1), and be provided with at least two thrust bearings (6,7) between this inner casing (4) and joint outer conductor (1), described bottom transition outer conductor (3) is connected on the described joint outer conductor (1);
Wherein, rotating part sets up separately and places in the cavity that described joint outer conductor (1), top transition outer conductor (2), inner casing (4) and bottom transition outer conductor (3) combine in described, described in rotating part by top transition outer conductor (2), location, bottom transition outer conductor (3) end.
2. rotary joint transition body according to claim 1, it is characterized in that: described inner casing (4) periphery is installed with seal cover (5), and sealing lid (5) is rotatable to be located in the described joint outer conductor (1); Described bottom transition outer conductor (3) is fixed on the described joint outer conductor (1) by a shell flange (8), wherein, described interior rotating part is limited on described seal cover (5), the shell flange (8) by top connection-core (13), bottom connection-core (14) correspondence respectively.
3. rotary joint transition body according to claim 2, it is characterized in that: on (8) step in is set respectively at described seal cover (5), shell flange, this step is in the upper and lower port position of described joint outer conductor (1) respectively, and described top connection-core (13), bottom connection-core (14) correspondence are assemblied on the described interior step.
4. rotary joint transition body according to claim 2 is characterized in that: be provided with clamping sleeve (10) between described inner casing (4) and shell flange (8), and be provided with spring part (9) between described clamping sleeve (10) and shell flange (8).
5. rotary joint transition body according to claim 4, it is characterized in that: described spring part (9) is the top spring, and its quantity is 12, is circumferentially to be arranged between described clamping sleeve (10) and the shell flange (8).
6. rotary joint transition body according to claim 4, it is characterized in that: described thrust bearing (6,7) is two, one of them supports and is located at described seal cover (5) the inner, and is limited on the described inner casing (4) by spring collar; Another thrust bearing supports and is located at described clamping sleeve (10) the inner, and is limited on the described inner casing (4) by spring collar, and two thrust bearings are provided with sleeve (11) between (6,7).
7. rotary joint transition body according to claim 1, it is characterized in that: the lock pin (19) at rotating part two ends is positioned respectively on described top transition outer conductor (2), bottom transition outer conductor (3) end by little shell (17) in described, and described little shell (17) lock onto on described top transition outer conductor (2), the bottom transition outer conductor (3) by dielectric ring (20).
8. rotary joint transition body according to claim 1, it is characterized in that: transition body (15) in the described top, transition body (16) in the bottom, top connection-core (13), the bottom connection-core is established central passage in (14), and the end of transition body (16) in transition body (15) and the bottom in described top, the two ends of joint inner wire (12) all are made as the ladder endoporus, described top connection-core (13) two ends turn respectively and are located at transition body (15) in the described top, in the ladder endoporus of joint inner wire (12), and transition body (15) in the described top, the ladder endoporus of joint inner wire (12) leaves degree of depth surplus; Described bottom connection-core (14) two ends are rotatable being located in the ladder endoporus of transition body (16) in described joint inner wire (12), the bottom respectively, and the ladder endoporus of transition body (16) leaves degree of depth surplus in the described joint inner wire (12), bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074147 CN203150702U (en) | 2013-02-17 | 2013-02-17 | Rotation joint transition body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074147 CN203150702U (en) | 2013-02-17 | 2013-02-17 | Rotation joint transition body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150702U true CN203150702U (en) | 2013-08-21 |
Family
ID=48978202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320074147 Expired - Fee Related CN203150702U (en) | 2013-02-17 | 2013-02-17 | Rotation joint transition body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203150702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117455A (en) * | 2013-02-17 | 2013-05-22 | 贵州振华天通设备有限公司 | Rotating joint transition body |
| CN109378571A (en) * | 2018-09-12 | 2019-02-22 | 泰兴市鋆兴通讯设备有限公司 | A kind of rail traffic navigation antenna easy to use |
-
2013
- 2013-02-17 CN CN 201320074147 patent/CN203150702U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117455A (en) * | 2013-02-17 | 2013-05-22 | 贵州振华天通设备有限公司 | Rotating joint transition body |
| CN103117455B (en) * | 2013-02-17 | 2015-03-04 | 贵州振华天通设备有限公司 | Rotating joint transition body |
| CN109378571A (en) * | 2018-09-12 | 2019-02-22 | 泰兴市鋆兴通讯设备有限公司 | A kind of rail traffic navigation antenna easy to use |
| CN109378571B (en) * | 2018-09-12 | 2021-01-15 | 泰兴市鋆兴通讯设备有限公司 | Navigation antenna for rail transit convenient to use |
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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: 20130821 Termination date: 20160217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |