CN114566824A - Floating millimeter wave radio frequency coaxial adapter - Google Patents
Floating millimeter wave radio frequency coaxial adapter Download PDFInfo
- Publication number
- CN114566824A CN114566824A CN202210405861.2A CN202210405861A CN114566824A CN 114566824 A CN114566824 A CN 114566824A CN 202210405861 A CN202210405861 A CN 202210405861A CN 114566824 A CN114566824 A CN 114566824A
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- China
- Prior art keywords
- contact
- insulator
- floating
- sleeve
- elastic contact
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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.)
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
-
- 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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a floating millimeter wave radio frequency coaxial adapter, which comprises an inner elastic contact element mechanism, wherein when the inner elastic contact element mechanism is in an axial floating state, a conductive contact of the inner elastic contact element mechanism axially slides; an outer resilient contact means adapted to be compressed by the axial spring to cause axial sliding movement of the conductive contact when in an axially floating condition; the left insulator is respectively connected with the left ends of the inner elastic contact element mechanism and the outer elastic contact element mechanism; and the right insulator is respectively connected with the right ends of the inner elastic contact element mechanism and the outer elastic contact element mechanism. When the connector is in an axial floating state, the spring provides effective elastic force to keep the connector normally connected with an external interface, and meanwhile, proper clearance fit is adopted to guarantee the coaxiality requirement, so that the phenomenon of locking is avoided, and high performance transmission can be achieved within a floating size range.
Description
Technical Field
The invention relates to a floating millimeter wave radio frequency coaxial adapter.
Background
The adapter is a mechanical element with electrical connection characteristics, has the main functions of electrical connection and signal transmission among various interfaces, and is one of essential basic elements for forming electrical connection of a complete machine circuit system.
The existing board-to-board connection is more and more in blind-mate connection, and the common millimeter wave blind-mate adapter can meet the requirements of most modularized, integrated and intensive use occasions. However, when the ordinary millimeter wave adapter is used in some occasions, the board is deformed due to hard contact between the boards, or the installation gap is generated due to accumulated dimension errors of the board spacing, and with the improvement of the use frequency and the performance, the transmission requirement of high-quality radio frequency signals cannot be met. Therefore, a floating millimeter wave coaxial adapter is needed to solve this problem.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the floating millimeter wave radio frequency coaxial adapter is provided, so that the problems that when the millimeter wave radio frequency coaxial adapter is connected in an opposite insertion mode between plates, hard contact or installation gaps are generated between installation plates, corresponding interfaces between the two plates are always in an unreliable connection state, and radio frequency signal transmission is influenced are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a floating millimeter wave RF coaxial adapter is provided, which comprises
The inner elastic contact piece mechanism is used for axially sliding the conductive contact of the inner elastic contact piece mechanism when the inner elastic contact piece mechanism is in an axial floating state;
an outer resilient contact means adapted to be compressed by the axial spring to cause axial sliding movement of the conductive contact when in an axially floating condition;
the left insulator is respectively connected with the left ends of the inner elastic contact mechanism and the outer elastic contact mechanism so as to enable the left end of the inner elastic contact mechanism and the left end of the outer elastic contact mechanism to be in an insulation state;
and the right insulator is respectively connected with the right ends of the inner elastic contact mechanism and the outer elastic contact mechanism so as to enable the right end of the inner elastic contact mechanism and the right end of the outer elastic contact mechanism to be in an insulation state.
Further, the inner elastic contact mechanism comprises
One end of the jack piece is inserted into the left insulator and fixedly connected with the left insulator, and the other end of the jack piece is provided with a jack which is suitable for inserting and matching the opposite insertion part;
one end of the pin piece is inserted into the right insulator and fixedly connected with the right insulator, and the other end of the pin piece is provided with an inserting part which is inserted into the jack and is suitable for conducting contact sliding in the jack.
Furthermore, at least one splitting groove is formed in the side wall of the jack.
Further, the outer elastic contact mechanism includes
One end of the left contact is sleeved outside the left insulator and fixedly connected with the left insulator, and the other end of the left contact is connected with the sleeve;
one end of the right contact head is sleeved outside the right insulator and fixedly connected with the right insulator, the other end of the right contact head is suitable for being inserted into the sleeve and making a conductive contact slide with the inside of the sleeve, and the right contact head is fixedly connected with the shell;
the outer shell is sleeved outside the right contact head and fixedly connected with the right contact head, an inner baffle ring is arranged at the other end of the outer shell, the inner baffle ring is sleeved outside the sleeve and is suitable for forming sliding fit with the sleeve, the inner baffle ring is abutted with the outer baffle ring on the sleeve so as to limit the outer shell to slide out of the sleeve, and an axial floating interval is arranged between the outer shell and the left contact head;
one end of the sleeve is inserted into the left contact head and fixedly connected with the left contact head, a cylinder hole at the other end of the sleeve is suitable for making a conductive contact with the right contact head to slide, an outer baffle ring is arranged at the end part of the sleeve, the outer baffle ring is positioned in the shell and is suitable for being abutted with an inner baffle ring of the shell so as to limit the sleeve to slide out of the shell, and an axial floating interval is arranged between the end part of the sleeve and the right contact head;
and one end of the spring is abutted against the left contact head, and the other end of the spring is abutted against the shell, so that the inner retaining ring and the outer retaining ring are axially abutted.
Further, a radial gap is formed between the inner baffle ring and the outer wall of the sleeve;
and a radial gap is formed between the outer baffle ring and the inner wall of the shell.
Further, all set up outer barb on jack spare, the contact pin spare, outer barb imbeds in the insulator to restriction jack spare, contact pin spare remove in the insulator.
Further, all set up interior barb on left side contact, the right contact, interior barb embedding insulator to the restriction insulator removes in the contact.
The invention has the beneficial effects that:
when the connector is in an axial floating state, the spring provides effective elastic force to keep the connector normally connected with an external interface, and meanwhile, proper clearance fit is adopted to ensure the coaxiality requirement without clamping, so that high-performance transmission can be obtained in a floating size range.
Through the constant design of the dislocation compensation size, the adapter can be kept in good contact with the corresponding interface on the mounting plate when the adapter floats, so that the performance stability is ensured, and the normal connection is ensured; the inner and outer elastic contact piece structures are always in a meshed state, and the electrical continuity of the inner and outer elastic contact piece structures is guaranteed in the floating process of the adapter.
The spring is provided with a spring which is provided with a spring hole, and the spring is provided with a spring hole which is matched with the spring hole.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a half-sectional view of the floating millimeter wave RF coaxial adapter of the present invention;
FIG. 2 is an internal spring contact mechanism
FIG. 3 is a view showing the connection structure of the sleeve with the right contact;
wherein the content of the first and second substances,
2. the inner elastic contact piece mechanism 21, the jack piece 211 and the splitting groove; 22. a pin piece 221, a plug part;
3. the contact device comprises an outer elastic contact element mechanism 31, a left contact head 32, a right contact head 33, a shell 331, an inner retaining ring 34, a sleeve 341, an outer retaining ring 35 and a spring;
41. a left insulator, 42, a right insulator;
51. outer barb, 52, inner barb.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in FIGS. 1 to 3, a floating millimeter wave RF coaxial adapter comprises
The inner elastic contact piece mechanism 2, when it is in the axial floating state, the conductive contact of it slides axially;
an outer elastic contact member mechanism 3 adapted to be compressed by an axial spring and to cause axial sliding of its conductive contact when it is in an axially floating state;
a left insulator 41 connected to the left ends of the inner elastic contact mechanism 2 and the outer elastic contact mechanism 3, respectively, so that the left ends of the inner elastic contact mechanism 2 and the outer elastic contact mechanism 3 are insulated from each other;
and a right insulator 42 connected to the right ends of the inner elastic contact mechanism 2 and the outer elastic contact mechanism 3, respectively, so that the right end of the inner elastic contact mechanism 2 and the right end of the outer elastic contact mechanism 3 are insulated from each other.
In this embodiment, the insulator is made of teflon.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 2, the inner elastic contact mechanism 2 includes
One end of the jack piece 21 is inserted into the left insulator 41 and fixedly connected with the left insulator 41, and the other end of the jack piece is provided with a jack which is suitable for inserting and matching the opposite insertion part 221;
one end of the pin member 22 is inserted into the right insulator 42 and fixedly connected with the right insulator 42, and the other end thereof is provided with an insertion part 221, and the insertion part 221 is inserted into the jack and is suitable for conducting contact sliding in the jack.
In this embodiment, the socket member 21 and the pin member 22 are made of beryllium copper.
In this embodiment, the socket member 21 and the pin member 22 are always engaged, so that the electrical continuity of the inner conductor can be ensured to obtain a stable and continuous electrical signal.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 2, at least one splitting groove 211 is formed on a side wall of the insertion hole. The four splitting grooves 211 are uniformly distributed in the circumferential direction.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 1 and 3, the outer elastic contact mechanism 3 includes
A left contact 31, one end of which is sleeved outside the left insulator 41 and is fixedly connected with the left insulator 41, and the other end of which is connected with the sleeve 34;
a right contact head 32, one end of which is sleeved outside the right insulator 42 and is fixedly connected with the right insulator 42, and the other end of which is suitable for being inserted into the sleeve 34 and making a conductive contact slip with the sleeve 34, wherein the right contact head 32 is fixedly connected with the shell 33;
the outer shell 33 is sleeved outside the right contact head 32 at one end and fixedly connected with the right contact head 32, an inner retaining ring 331 is arranged at the other end, the inner retaining ring 331 is sleeved outside the sleeve 34 and is suitable for forming sliding fit with the sleeve 34, the inner retaining ring 331 is abutted against an outer retaining ring 341 on the sleeve 34 so as to limit the outer shell 33 to slide out of the sleeve 34, and an axial floating distance is arranged between the outer shell 33 and the left contact head 31;
a sleeve 34, one end of which is inserted into the left contact 31 and is fixedly connected with the left contact 31, and a cylindrical hole at the other end of which is suitable for making a conductive contact with the right contact 32 to slide, wherein an outer retaining ring 341 is arranged at the end of the sleeve 34, the outer retaining ring 341 is positioned in the outer shell 33 and is suitable for abutting against an inner retaining ring 331 of the outer shell 33 so as to limit the sleeve 34 from sliding out of the outer shell 33, and an axial floating distance is arranged between the end of the sleeve 34 and the right contact 32;
one end of the spring 35 abuts against the left contact 31, and the other end abuts against the housing 33, so that the inner retainer ring 331 and the outer retainer ring 341 are axially abutted.
In this embodiment, the left contact 31, the right contact 32, the housing 33, the sleeve 34 and the spring 35 are conductors;
in this embodiment, a plurality of splitting slots 211 are formed at both ends of the right contact 32.
In this embodiment, the left contact 31 and the sleeve 34 are in interference fit, and the housing 33 and the right contact 32 are also in interference fit. The separation can not occur under the action of the spring 35, and the reliability of the structure is ensured.
In this embodiment, the floating distance may be controlled according to actual requirements, and the floating amount may be adjusted to a certain extent by changing the design dimensions of the sleeve 34 and the housing 33.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, a radial gap is provided between the inner baffle ring 331 and the outer wall of the sleeve 34;
a radial gap is formed between the outer retaining ring 341 and the inner wall of the outer shell 33.
In this embodiment, the radial gap is set to ensure that the housing 33 moves axially stably relative to the sleeve 34, so as to ensure the floating effect without causing a jamming phenomenon.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 and fig. 2, the socket member 21 and the pin member 22 are both provided with an outer barb 51, and the outer barb 51 is embedded in the insulator to limit the movement of the socket member 21 and the pin member 22 in the insulator. Therefore, the position fixity of the insulator on the jack piece 21 and the pin piece 22 can be ensured, and the performance stability is ensured.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the left contact head 31 and the right contact head 32 are both provided with inner barbs 52, and the inner barbs 52 are embedded in the insulator to limit the movement of the insulator in the contact head. Therefore, the position fixity of the insulator on the left contact head 31 and the right contact head 32 can be ensured, and the performance stability is ensured.
According to the floating millimeter wave radio frequency coaxial adapter, the inner elastic contact mechanism 2 and the outer elastic contact mechanism 3 are isolated through the insulator, so that mutual influence is prevented, and independent conduction is ensured;
when the adapter floats, constant impedance can be kept, and performance stability is ensured; the inner elastic contact mechanism 2 and the outer elastic contact mechanism 3 are always in a meshed state, and the respective electrical continuity of the inner conductor and the outer conductor is ensured in the floating process of the adapter; the spring 35 is provided with an elastic force generated by an external force, so that the adapter can be always normally inserted in place when being matched with an external interface, hard contact and installation gaps generated during installation between plates are avoided, and high-quality signal transmission is ensured.
The floating millimeter wave radio frequency coaxial adapter has the following floating effect: adapter length changes with the change of panel installation interval and syntropy, specifically is: 1. when the distance between the plates is reduced, the length of the adapter is synchronously reduced, the matching length of the inner elastic contact member mechanism and the outer elastic contact member mechanism is synchronously reduced, and the springs are compressed to be shortened and changed; 2. when the plate interval increases, because the spring reduces when external pressure effect, has the trend of recovering to free state, adopts suitable clearance fit to be favorable to the recovering trend of spring and does not take place the card phenomenon of dying in the structure. When the spring takes place the extension and changes, the cooperation length of interior outer elasticity first sight mechanism changes in step to make adapter length increase along with the plate examines the utensil increase, can guarantee like this that adapter and mounting panel are in normal connected state all the time, thereby guarantee transmission performance.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A floating millimeter wave radio frequency coaxial adapter is characterized by comprising
The inner elastic contact piece mechanism is used for axially sliding the conductive contact of the inner elastic contact piece mechanism when the inner elastic contact piece mechanism is in an axial floating state;
an outer resilient contact means adapted to be compressed by the axial spring to cause axial sliding movement of the conductive contact when in an axially floating condition;
the left insulator is respectively connected with the left ends of the inner elastic contact element mechanism and the outer elastic contact element mechanism so as to enable the left end of the inner elastic contact element mechanism and the left end of the outer elastic contact element mechanism to be in an insulation state;
and the right insulator is respectively connected with the right ends of the inner elastic contact element mechanism and the outer elastic contact element mechanism so as to enable the right ends of the inner elastic contact element mechanism and the outer elastic contact element mechanism to be in an insulation state.
2. The floating millimeter wave RF-coax adapter of claim 1,
the inner elastic contact member mechanism comprises
One end of the jack piece is inserted into the left insulator and fixedly connected with the left insulator, and the other end of the jack piece is provided with a jack which is suitable for inserting and matching the opposite insertion part;
one end of the pin piece is inserted into the right insulator and fixedly connected with the right insulator, and the other end of the pin piece is provided with an inserting part which is inserted into the jack and is suitable for conducting contact sliding in the jack.
3. The floating millimeter wave RF-coax adapter of claim 2,
at least one splitting groove is formed in the side wall of the jack.
4. The floating millimeter wave RF-coax adapter of claim 1,
the outer elastic contact member mechanism comprises
One end of the left contact is sleeved outside the left insulator and fixedly connected with the left insulator, and the other end of the left contact is connected with the sleeve;
one end of the right contact head is sleeved outside the right insulator and fixedly connected with the right insulator, the other end of the right contact head is suitable for being inserted into the sleeve and making a conductive contact slide with the inside of the sleeve, and the right contact head is fixedly connected with the shell;
the outer shell is sleeved outside the right contact head and fixedly connected with the right contact head, an inner baffle ring is arranged at the other end of the outer shell, the inner baffle ring is sleeved outside the sleeve and is suitable for forming sliding fit with the sleeve, the inner baffle ring is abutted with the outer baffle ring on the sleeve so as to limit the outer shell to slide out of the sleeve, and an axial floating interval is arranged between the outer shell and the left contact head;
one end of the sleeve is inserted into the left contact head and fixedly connected with the left contact head, a cylinder hole at the other end of the sleeve is suitable for making a conductive contact with the right contact head to slide, an outer baffle ring is arranged at the end part of the sleeve, the outer baffle ring is positioned in the shell and is suitable for being abutted with an inner baffle ring of the shell so as to limit the sleeve to slide out of the shell, and an axial floating interval is arranged between the end part of the sleeve and the right contact head;
and one end of the spring is abutted against the left contact head, and the other end of the spring is abutted against the shell, so that the inner retaining ring and the outer retaining ring are axially abutted.
5. The floating millimeter wave RF-coax adapter of claim 4,
a radial gap is formed between the inner baffle ring and the outer wall of the sleeve;
and a radial gap is formed between the outer baffle ring and the inner wall of the shell.
6. The floating millimeter wave RF-coax adapter of claim 2,
all set up outer barb on jack spare, the contact pin spare, outer barb imbeds in the insulator to restriction jack spare, contact pin spare remove in the insulator.
7. The floating millimeter wave RF-coax adapter of claim 4,
barb in all setting up on left side contact, the right contact, in interior barb embedding insulator to the restriction insulator removes in the contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405861.2A CN114566824A (en) | 2022-04-18 | 2022-04-18 | Floating millimeter wave radio frequency coaxial adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405861.2A CN114566824A (en) | 2022-04-18 | 2022-04-18 | Floating millimeter wave radio frequency coaxial adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114566824A true CN114566824A (en) | 2022-05-31 |
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ID=81720998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210405861.2A Pending CN114566824A (en) | 2022-04-18 | 2022-04-18 | Floating millimeter wave radio frequency coaxial adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114566824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525996A (en) * | 2023-12-07 | 2024-02-06 | 东莞市信翰精密工业有限公司 | Floating connector assembly |
-
2022
- 2022-04-18 CN CN202210405861.2A patent/CN114566824A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117525996A (en) * | 2023-12-07 | 2024-02-06 | 东莞市信翰精密工业有限公司 | Floating connector assembly |
| CN117525996B (en) * | 2023-12-07 | 2024-05-17 | 东莞市信翰精密工业有限公司 | Floating connector assembly |
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