CN201478637U - Radio-frequency (RF) coaxial connector - Google Patents
Radio-frequency (RF) coaxial connector Download PDFInfo
- Publication number
- CN201478637U CN201478637U CN2009203033317U CN200920303331U CN201478637U CN 201478637 U CN201478637 U CN 201478637U CN 2009203033317 U CN2009203033317 U CN 2009203033317U CN 200920303331 U CN200920303331 U CN 200920303331U CN 201478637 U CN201478637 U CN 201478637U
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- China
- Prior art keywords
- shell
- connector
- central shaft
- coaxial connector
- attachment plug
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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 a radio-frequency (RF) coaxial connector for transmitting radio-frequency signals, which comprises a connecting plug and a connecting socket; the connecting plug and the connecting socket both comprise center shafts (11, 21) made from metal material, barrel-shaped shells (12, 22) and insulating layers (16, 26); the outer side wall of a metal connector (15) of the connecting plug is provided with a protruding clamping ring (14); and the shape and size of the inner wall of the shell (22) of the connecting socket are adaptive to the outer side wall of the metal connector (15), and the inner wall of the shell (22) is provided with a clamping slot (27) adaptive to the clamping ring (14). The RF coaxial connector has fast plugging and pulling, convenient maintenance and good shock resistant performance; furthermore, the special plugging self-locking structure leads the RF coaxial connector to be applicable to RF coaxial cables in small communication and network equipment having requirements on volume and weight.
Description
Technical field
The utility model relates to a kind of communication signal transmitting device, specifically relates to a kind of radio frequency (RF) coaxial connector of transmitting radio frequency signal.
Background technology
Radio frequency connector is a kind of interface element of transmitting radio frequency signal, be used in and form the transmission that is electrically connected with radiofrequency signal between device and device, assembly and assembly, system and the subsystem, thereby constitute a necessary base components of holonomic system, it plays a part to connect in microwave circuit or disjunction coaxial cable, microstrip circuit, transmitting radio frequency signal.Radio frequency connector product quality and reliability directly affect the q﹠r of radiofrequency signal.
Radio frequency connector is of a great variety, and they are widely used in the communication system of industries such as automobile, military affairs, aviation.These several application all have a common trait, promptly need receive more and more littler interconnection in more and more narrower space content.In some cases, this means and when dwindling the encapsulation volume of connector, also will improve operating frequency (for wireless application, frequency reaches 2.5GHz; And for broadband application, frequency is more up to 6GHz), and this just all connectors make the key challenge that commercial cities face.In the 3G mobile communication equipment, minification improves connector density, the raising frequency is improved performance has become a kind of inevitable trend.Some connector manufacturers have produced miniature bnc connector, are used for communication and video/broadcasted application.These connectors have higher performance usually, and operating frequency is increased to 2GHz from 1GHz.But such operating frequency still can not satisfy the harsh requirement of high speed communication fully.And the agility of the impact resistance of connector and working service is not ideal enough.
The utility model content
Technical problem to be solved in the utility model provides a kind of 3G of satisfying mobile communication requirement, the fast insert-pull miniature radio-frequency coaxial connector that volume is little, plug is fast easy to maintenance and shock resistance is good.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of radio frequency (RF) coaxial connector, comprise gang socket and attachment plug, described gang socket and attachment plug include central shaft and the cylindrical case that metal material is made, central shaft is positioned at the inside of shell, is provided with the insulating barrier that insulating material is made between described central shaft and the shell.
In described attachment plug: an end of shell is provided with the metal connector, the lateral wall of described connector be provided with protrusion and around the snap ring that connects first circle; Described central shaft one end extends in the connector, and the end of the relative connector in end of central shaft has indentation slightly;
In described gang socket: the inwall of shell one end, the lateral wall of its shape, size and described connector is suitable, and is provided with the draw-in groove suitable with snap ring; Described central shaft one end extends the port of shell, the shape of central shaft end can with the central shaft tight fit of attachment plug, as be a cylindrical shape, the central shaft of connector can insert this cylinder and form tight fit.The design of snap ring and draw-in groove makes the gang socket plug form a kind of reliable insertion snap close interface.
In described attachment plug, the external diameter of connector is less than the external diameter of shell, and the part that both joint portion shells exceed forms and presses, and draw-in groove equates to the distance between the outer casing end in distance and the gang socket between the snap ring of pressing.
During use connector this port from gang socket is inserted, two central shafts connect relatively.Draw-in groove in snap ring on the connector lateral wall and the gang socket shell matches, and pressing inwardly to be moved further connector, stablizes thereby plug is connected with socket.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described shell is the seamless metal cylinder, has adopted low radio frequency leakage current " slotless " outer conductor design, have good cable to plate, cable to the cable effect.
Further, in described attachment plug and gang socket, the other end of described shell is equipped with metal ferrule, and the other end of described central shaft stretches out shell.
Described metal ferrule has four, rectangular arrangement on the cross section of shell, and the end that described central shaft stretches out is positioned at four contact pin centers.
Attachment plug and gang socket are connected with radio-frequency (RF) component to be connected by central shaft and four contact pins, like this on radio-frequency (RF) component to be connected, should setting and central shaft and four installation perforates that contact pin is suitable, each installs the lead-in wire that perforate is connected respectively to element.
The beneficial effects of the utility model are: adopt and insert snap close interface shape and positive lock device, have certain antidetonation, shock resistance.And unique grafting self-locking structure makes it be applicable to that volume, weight all have in the small-sized communication of requirement and the network equipment to connect radio frequency coaxial-cable.Because it is simple in structure, its big I narrows down to the 30%-45% of other connector of the same type, and its operating frequency can be brought up to 6GHz.
Description of drawings
Fig. 1 is the half sectional view of the utility model attachment plug;
Fig. 2 is the half sectional view of the utility model gang socket;
Fig. 3 is along the cutaway view of A-A direction among Fig. 1.
In the accompanying drawing, the list of parts of each label representative is as follows:
11, central shaft, 12, shell, 13, contact pin, 14, snap ring, 15, connector, 16, insulating barrier, 18, press;
21, central shaft, 22, shell, 23, contact pin, 26, insulating barrier, 27, draw-in groove.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
The utility model radio frequency (RF) coaxial connector comprises two parts: attachment plug and gang socket, see Fig. 1, Fig. 2 respectively.Attachment plug and gang socket are linked to each other with element to be connected respectively, realize connection between each element by attachment plug and gang socket then.
As shown in Figure 1 and Figure 2, attachment plug and gang socket include central shaft 11,21 and the cylindrical case 12,22 that metal material is made, central shaft 11,21 is positioned at the inside of shell 12,22, is provided with the insulating barrier 16,26 that insulating material is made between central shaft 11,21 and the shell 12,22.
Attachment plug all is connected with element to be connected with central shaft 11,21 by metal ferrule 13,23 with gang socket.Metal ferrule 13,23 is located at an end of shell, and central shaft 11,21 also stretches out shell 12,22 from this end.As shown in Figure 3, metal ferrule 13,23 respectively has four, rectangular arrangement on the cross section of shell 12,22, and the end that described central shaft 11,21 stretches out is positioned at four contact pins, 13,23 centers, and aligns with contact pin 13,23 in its end.On radio-frequency (RF) component to be connected, the installation perforate suitable with 11,21 and four contact pins of central shaft 13,23 should be set, each installs the lead-in wire that perforate is connected respectively to element.During use, there is an end of contact pin to insert this installation perforate attachment plug and gang socket respectively and gets final product.
As shown in Figure 1, at an end that is connected with gang socket of attachment plug, shell 12 ends are provided with metal connector 15, and the lateral wall of described connector 15 is provided with the snap ring 14 around the protrusion that connects first circle; Central shaft 11 1 ends extend in the connector 15, and the end of the relative connector 15 in the end of central shaft 11 has indentation slightly.These central shaft 11 ends are cylindrical.
As shown in Figure 2, at the end that gang socket is connected with attachment plug, the lateral wall of the shape of shell 22 inwalls, size and described connector 15 is suitable, and is provided with the draw-in groove 27 suitable with snap ring 14; Central shaft 21 1 ends of gang socket extend the port of shell 22, central shaft 21 ends be shaped as a cylindrical shape, the cylindrical center axle 11 of connector can insert this cylinder and form tight fit.In described attachment plug, the external diameter of connector 15 is less than the external diameter of shell 12, and the part that both joint portion shells exceed forms and presses 18, press 18 in the distance between the snap ring 14 and the gang socket draw-in groove 27 equate to the distance between shell 22 ends.
During use the port of connector 15 from gang socket inserted, two central shafts 11,21 connect relatively.Draw-in groove 27 in snap ring 14 on connector 15 lateral walls and the gang socket shell matches, and presses 18 connector 15 inwardly to be moved further, and stablizes thereby plug is connected with socket.Thereby form a kind of insertion snap close interface, and have the positive lock function.
The utility model high-performance fast insert-pull miniature radio-frequency coaxial connector is different from the international connector of GB and GJB regulation, have following characteristics: because its its specific structure, operating frequency is brought up to 6GHz, considerably beyond communication frequency 3G, this provides higher transmission rate and wideer channel space for communication equipment undoubtedly, thereby has improved the transmission performance of system equipment greatly.The metal parts machining accuracy will improve 0.1-1.0 the order of magnitude on the basis of general radio frequency connector machining accuracy, the compactness and the surface smoothness of galvanization coating are more high than general connector.Therefore, product needs comparatively accurate process equipment and checkout facility in the process that realizes, some key components and parts even need guarantee the precision of product with mould.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. radio frequency (RF) coaxial connector, comprise attachment plug and gang socket, described attachment plug and gang socket include central shaft (11,21) and the cylindrical case (12,22) that metal material is made, it is characterized in that, be provided with insulating barrier (16,26) between described central shaft (11,21) and the shell (12,22);
In described attachment plug: shell (12) one ends are provided with metal connector (15), and the lateral wall of described connector (15) is provided with the snap ring (14) of protrusion; Described central shaft (11) one ends extend in the connector (15);
In described gang socket: the lateral wall of the inner wall shape of shell (22) one ends, size and described connector (15) is suitable, and is provided with and draw-in groove (27) that snap ring (14) is suitable; Described central shaft (21) one ends be can with the friction tight shape of central shaft (11) of attachment plug, extend the port of shell (22).
2. radio frequency (RF) coaxial connector according to claim 1, it is characterized in that, in described attachment plug, the external diameter of connector (15) is less than the external diameter of shell (12), part that both joint portion shells (12) exceed forms and presses (18), and (18) draw-in groove (27) in the distance between the snap ring (14) and the gang socket that presses equates to the distance between shell (22) end.
3. radio frequency (RF) coaxial connector according to claim 1 and 2 is characterized in that, described shell (12,22) is the seamless metal cylinder.
4. radio frequency (RF) coaxial connector according to claim 1 and 2, it is characterized in that, in described attachment plug and gang socket, the other end of described shell (12,22) is provided with metal ferrule (13,23), and the other end of described central shaft (11,21) stretches out shell (12).
5. radio frequency (RF) coaxial connector according to claim 4, it is characterized in that, described metal ferrule (13,23) has four, rectangular arrangement on the cross section of shell (12,22), and the end that described central shaft (11,21) stretches out is positioned at four contact pins (13,23) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203033317U CN201478637U (en) | 2009-05-19 | 2009-05-19 | Radio-frequency (RF) coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203033317U CN201478637U (en) | 2009-05-19 | 2009-05-19 | Radio-frequency (RF) coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478637U true CN201478637U (en) | 2010-05-19 |
Family
ID=42414893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203033317U Expired - Fee Related CN201478637U (en) | 2009-05-19 | 2009-05-19 | Radio-frequency (RF) coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356149A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Pushing self-locking radio frequency connector |
| CN109546494A (en) * | 2018-12-30 | 2019-03-29 | 江苏俊知技术有限公司 | One kind can the how coaxial Miniature radio-frequency connector of fast insert-pull type |
-
2009
- 2009-05-19 CN CN2009203033317U patent/CN201478637U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356149A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Pushing self-locking radio frequency connector |
| CN109546494A (en) * | 2018-12-30 | 2019-03-29 | 江苏俊知技术有限公司 | One kind can the how coaxial Miniature radio-frequency connector of fast insert-pull type |
| CN109546494B (en) * | 2018-12-30 | 2023-11-21 | 江苏俊知技术有限公司 | Multi-coaxial miniature radio frequency connector capable of being quickly plugged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20110519 |