CN115632251A - Fast-plug self-locking plug capable of being plugged into standard SMA socket - Google Patents
Fast-plug self-locking plug capable of being plugged into standard SMA socket Download PDFInfo
- Publication number
- CN115632251A CN115632251A CN202210986125.0A CN202210986125A CN115632251A CN 115632251 A CN115632251 A CN 115632251A CN 202210986125 A CN202210986125 A CN 202210986125A CN 115632251 A CN115632251 A CN 115632251A
- Authority
- CN
- China
- Prior art keywords
- locking
- outer conductor
- elastic contact
- boss
- contact head
- 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.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a quick-insertion self-locking plug capable of being plugged into a standard SMA socket, which comprises an outer conductor I, an outer conductor II and an inner conductor connected with the outer conductor I and the outer conductor II; an elastic contact head and an elastic element are respectively sleeved on the first outer conductor, a locking sleeve is slidably sleeved on the elastic contact head, the elastic contact head is an elastic piece which is split into a groove and is expanded, a standard thread is processed on the inner wall of the elastic contact head and can be meshed and clamped with a standard SMA threaded socket, and the elastic contact head is designed to be of a floating (with a spring) structure; the invention can realize the functions of quick insertion and self locking, can be inserted into a standard SMA threaded socket in an opposite way, and has good vibration and impact resistance.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a quick-insertion self-locking plug capable of being plugged into a standard SMA socket.
Technical Field
Outer conductor inner diameter of
The standard SMA threaded connector is widely applied, and generally, a standard SMA threaded socket is adopted on the module A and the module B, and the module A and the module B are interconnected by a cable assembly of a double-end standard SMA threaded plug. And when the module is tested, the test cable interface also adopts a standard SMA threaded plug. The threaded port is long in time consumption in mounting and dismounting, and low in testing efficiency. Therefore, the test cable interface needs to adopt the SMA quick plug-in plug to improve the test efficiency.
The existing SMA quick-plug cannot realize a self-locking function, and the plug and the socket are easy to fall off in the test process, so that the test result is inaccurate;
the inner diameter of the outer conductor is the same
The QMA series connector of (1) is a quick-insertion self-locking connector, which is a quick-insertion series form of SMA series. However, the QMA series plug and the QMA series socket are adjusted relative to the SMA series, and cannot be interchanged with the SMA series.
Disclosure of Invention
The invention aims to provide a quick-insertion self-locking plug which can be oppositely inserted with a standard SMA socket aiming at the defects of the prior art, and solves the problems that the quick-insertion self-locking plug cannot be oppositely inserted with the standard SMA socket, the self-locking function cannot be realized, and the plug and the socket are easy to fall off in the test process, so that the test result is inaccurate.
The invention is realized by adopting the following technical scheme:
a quick-connect, self-locking plug mateable with a standard SMA socket, comprising: the first outer conductor, the second outer conductor and the inner conductor which is connected with the first outer conductor and the second outer conductor;
the elastic contact head and the spring are respectively sleeved on the first outer conductor, the spring is arranged between the first outer conductor and the elastic contact head, and the locking sleeve is slidably sleeved on the elastic contact head.
As a further explanation of the invention, the elastic contact is an elastic piece which passes through the split groove and expands, and the inner wall of the elastic contact is provided with standard threads.
As a further explanation of the invention, an inner coaxial of the outer conductor is provided with an insulating medium, and the inner conductor is coaxially arranged in the insulating medium.
As a further explanation of the invention, a fixing ring is sleeved on the second outer conductor, and the fixing ring is press-fitted in the elastic contact; one end of the spring is connected with the outer wall of the outer conductor, and the other end of the spring is connected with the outer wall of the fixing ring.
As further explanation of the invention, the inner wall of the locking sleeve is provided with a first locking boss, the outer wall of the elastic contact head is provided with a first anti-loosening boss, and the first anti-loosening bosses slide on the left side and the right side of the first locking boss.
As further explanation of the invention, the inner wall of the locking sleeve is provided with a second locking boss, the outer wall of the elastic contact head is provided with a second anti-loosening boss, and the second anti-loosening boss slides on the left side of the second locking boss.
As a further explanation of the invention, the first locking boss is of a structure with a lower left part and a higher right part, and the first locking boss comprises a left horizontal section, a left inclined section which is obliquely arranged with the left horizontal section, a right inclined section which is obliquely arranged with the right horizontal section, and a transition inclined section which is connected between the left inclined section and the right inclined section.
As a further explanation of the invention, the right horizontal section of the first locking boss is taken as a horizontal line, the angle of the left inclined section is 36 degrees, the angle of the transition inclined section is 10 degrees, and the angle of the right inclined section is 135 degrees.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, the elastic contact head is arranged, the elastic contact head is an elastic piece which is split into a groove and is expanded, and a standard thread is processed on the inner wall of the elastic contact head and can be meshed and clamped with a standard SMA threaded socket; the elastic contact head is designed to be a floating (with a spring) structure, and the purpose is that after the product is inserted in place, if the thread of the elastic contact head cannot be opposite to the thread of the threaded socket, the elastic contact head can be continuously pulled to float to the left for a certain size, so that the thread of the elastic contact head is clamped and meshed;
through the arrangement of the locking sleeve, the locking sleeve is in sliding clamping connection with the elastic contact head, and through the design of the locking boss I and the locking boss II of the locking sleeve, the constraint force generated when the locking sleeve is pushed leftwards during opposite insertion is reduced, good opposite insertion hand feeling is ensured, and meanwhile, the constraint force generated when the locking sleeve moves rightwards is increased, so that good locking performance of the locking sleeve under vibration and impact environments is ensured.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of an unlocked state of the overall structure of the present invention;
FIG. 2 is a schematic view of the locking state of the overall structure of the present invention;
FIG. 3 is an exploded view of the overall structure of the present invention;
FIG. 4 is a schematic diagram of a flexible contact according to the present invention;
FIG. 5 is a schematic view of a locking boss of the present invention;
FIG. 6 is a schematic view of the spring of the present invention in a compressed state.
Description of the reference numerals
1. An outer conductor I; 2. a second outer conductor; 3. an insulating medium; 4. an inner conductor; 5. an elastic contact; 6. a locking sleeve; 7. a spring; 8. a fixing ring; 9. locking the boss I; 10. the first anti-loosening boss; 11. a colloid; 12. a second locking boss; 13. a second anti-loosening boss; 14. plug, socket mechanical and electrical datum planes; 15. the spring compresses to adjust the thread position.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1 to 6: a quick-connect, self-locking plug mateable with a standard SMA socket, comprising: the plug comprises an outer sleeve body I1, an outer conductor II 2, an insulating medium 3 and an inner conductor 4 (preferably a contact pin), wherein the inner conductor 4 is used for connecting the outer conductor I1 and the outer conductor II 2, the insulating medium 6 is coaxially arranged in the outer conductor I1, and the inner conductor 4 is coaxially arranged in the insulating medium 6 and is used as an electrical property transmission part in the plug;
Assembling, namely installing a locking sleeve 6 into an elastic contact head 5 to serve as a first combined body, pressing an inner conductor 4 (a contact pin) into an insulating medium 6, then pressing the inner conductor and the insulating medium together into a first outer conductor 1 to serve as a second combined body, installing two combined bodies into the first combined body, then respectively installing a spring 7 and a fixing ring 8, riveting, and finally screwing the outer conductor 1 and the outer conductor 2 for gluing;
in this embodiment, the elastic contact 5 is a split and expanded elastic member, the inner wall of which is provided with 1/4-36UNS-2B threads (1/4 means that the nominal diameter is 1/4 inch, and one inch is 25.4, so that the nominal diameter is 1/4x25.4, 36 means that one inch has 36 teeth, UNS means special teeth, and 2B means internal threads), and the elastic contact can be engaged and clamped with the 1/4-36UNS-2A threads of the standard SMA threaded socket; during machining, machining the outer circle and the inner hole of the elastic contact 5 (including internal thread machining) is completed, then the part is subjected to groove splitting, opening expanding and heat treatment, so that the part becomes a threaded section with a certain specification and standard when the outer circle of the elastic arm is hooped to a certain size (the elastic arm is in a size state before the opening expanding), and the inner wall of the part becomes a threaded section with a certain number of specifications and standards;
in this embodiment, a first locking boss 9 is arranged on the inner wall of the locking sleeve 6, a first locking boss 10 is arranged on the outer wall of the elastic contact head 5, the first locking boss 10 slides on the left side and the right side of the first locking boss 9, the first locking boss 9 is of a structure with a low left side and a high right side, the first locking boss 9 comprises a left horizontal section, a left inclined section obliquely arranged with the left horizontal section, a right horizontal section obliquely arranged with the right horizontal section, and a right inclined section obliquely arranged with the right horizontal section and connecting a transition inclined section between the left inclined section and the right inclined section, the horizontal line of the left horizontal section is lower than that of the right horizontal section, the right horizontal section of the first locking boss 9 is used as the horizontal line, the left inclined section is designed to be gentle, the angle is 36 degrees, the angle of the transition inclined section is 10 degrees, the left low right high is met, the right inclined section is designed to be steeper, the angle is 135 degrees (also is 45 degrees marked in fig. 5), and the purpose of reducing the constraint force when the locking sleeve 6 pushes left when being inserted, ensuring good insertion hand feeling, and simultaneously, increasing the constraint force when the locking sleeve 6 moves rightwards, so as to ensure good vibration and impact performance of the locking sleeve 6 under a locking environment;
in the embodiment, the inner wall of the locking sleeve 6 is provided with a second locking boss 12, the outer wall of the elastic contact head 5 is provided with a second anti-loosening boss 13, and the second anti-loosening boss 13 slides on the left side of the second locking boss 12, so that the elastic contact head 5 is limited and tightened when the elastic contact head 5 and the locking sleeve 6 are in a locking state;
in the embodiment, the outer conductor 2 is sleeved with the fixing ring 8, the fixing ring 8 is press-fitted in the elastic contact head 5, one end of the spring 7 is connected with the outer wall of the outer conductor 1, the other end of the spring is connected with the outer wall of the fixing ring 8, the elastic contact head 5 is designed to be of a floating (with a spring) structure, and the purpose is that after the product is inserted in place, if the screw threads of the elastic contact head 5 cannot be directly opposite to the screw threads of the threaded socket, the elastic contact head 5 can be continuously pulled to float to the left for a certain size, so that the screw threads of the elastic contact head 5 are clamped and meshed;
the working principle is as follows: when the plug is plugged, the locking sleeve 6 is pushed leftwards, when the locking sleeve 6 is pushed in place, the locking state is achieved, when the locking state is achieved, the head of the elastic contact 5 is hooped by the locking sleeve 6 and cannot be in the original expansion opening shape, so that the standard threads on the inner wall of the elastic contact 5 can be meshed and clamped with the corresponding standard SMA threaded socket, the mechanical and electrical reference surfaces of the plug and the socket must be attached and pressed tightly, meanwhile, the perfect meshing of the plug and the socket threads is guaranteed (as shown in reference numerals 14 and 15 in fig. 6), and the locking state is guaranteed not to fall off;
after the plug locking, locking boss 9 of locking cover 6 is in elastic contact 5's locking boss 10 left sides, prevents that locking cover 6 from to sliding the unblock again, if need the unblock, need exert pulling force pulling locking cover 6 right, with locking boss 9 pulling of locking cover 6 to elastic contact 5's locking boss 10 right sides, locking cover 6 can not cramp elastic contact 5 heads this moment, elastic contact 5 heads become to rise mouthful of state, realize the unblock.
Description of the drawings: the processed product has good effect and meets the expected target; the vibration and impact performance reaches the equivalent level of threaded SMA, the vibration test is carried out according to a test condition D of a GJB360B-2009 method 204, the impact test is carried out according to a test condition I of a GJB360B-2009 method 213, the test process is not electrically interrupted for more than 1 mu s, the tested product has no appearance and mechanical damage, and the performance index meets the specified requirements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A fast-plug self-locking plug capable of being plugged into a standard SMA socket, which is characterized by comprising: the device comprises a first outer conductor (1), a second outer conductor (2) and an inner conductor (4) which is connected with the first outer conductor (1) and the second outer conductor (2);
the cover is equipped with elastic contact head (5) and spring (7) on outer conductor (1) respectively, the spring is established between outer conductor (1) and elastic contact head (5), the sliding sleeve is equipped with locking cover (6) on elastic contact head (5).
2. The plug according to claim 1, wherein the resilient contact (5) is a split and flared resilient member having a standard thread on its inner wall.
3. The quick-connect, self-locking plug mateable with a standard SMA socket according to claim 1 wherein the first outer conductor (1) has an insulating dielectric (6) coaxially disposed therein and the inner conductor (4) is coaxially disposed within the insulating dielectric (6).
4. The quick-insertion self-locking plug capable of being plugged into a standard SMA socket according to claim 2, wherein a fixing ring (8) is sleeved on the second outer conductor (2), and the fixing ring (8) is press-fitted in the elastic contact head (5); one end of the spring (7) is connected with the outer wall of the first outer conductor (1), and the other end of the spring is connected with the outer wall of the fixing ring (8).
5. The quick-insertion self-locking plug capable of being plugged into a standard SMA socket according to claim 2, wherein a first locking boss (9) is arranged on the inner wall of the locking sleeve (6), a first anti-loosening boss (10) is arranged on the outer wall of the elastic contact head (5), and the first anti-loosening bosses (10) slide on the left side and the right side of the first locking boss (9).
6. The quick-insertion self-locking plug capable of being plugged into a standard SMA socket according to claim 2, wherein a second locking boss (12) is arranged on the inner wall of the locking sleeve (6), a second anti-loosening boss (13) is arranged on the outer wall of the elastic contact head (5), and the second anti-loosening boss (13) slides on the left side of the second locking boss (12).
7. The quick-insert self-locking plug capable of being plugged into a standard SMA socket according to claim 5, wherein the first locking boss (9) is of a left-low-right-high structure, and the first locking boss (9) comprises a left horizontal section, a left inclined section obliquely arranged with the left horizontal section, a right inclined section obliquely arranged with the right horizontal section, and a transition inclined section connecting the left inclined section and the right inclined section.
8. The quick-connect, self-locking plug according to claim 7, wherein the right horizontal segment of the first locking boss (9) is taken as the horizontal line, the angle of the left inclined segment is 36 °, the angle of the transition inclined segment is 10 °, and the angle of the right inclined segment is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210986125.0A CN115632251A (en) | 2022-08-17 | 2022-08-17 | Fast-plug self-locking plug capable of being plugged into standard SMA socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210986125.0A CN115632251A (en) | 2022-08-17 | 2022-08-17 | Fast-plug self-locking plug capable of being plugged into standard SMA socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115632251A true CN115632251A (en) | 2023-01-20 |
Family
ID=84901908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210986125.0A Pending CN115632251A (en) | 2022-08-17 | 2022-08-17 | Fast-plug self-locking plug capable of being plugged into standard SMA socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115632251A (en) |
-
2022
- 2022-08-17 CN CN202210986125.0A patent/CN115632251A/en active Pending
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