CN103996930A - Push-in self-locking type radio-frequency connector - Google Patents
Push-in self-locking type radio-frequency connector Download PDFInfo
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- CN103996930A CN103996930A CN201410215210.2A CN201410215210A CN103996930A CN 103996930 A CN103996930 A CN 103996930A CN 201410215210 A CN201410215210 A CN 201410215210A CN 103996930 A CN103996930 A CN 103996930A
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- shell
- annular
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- male
- lock sleeve
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a push-in self-locking type radio-frequency connector which comprises an SMA-male connector body and an SMA-female connector body. The SMA-male connector body comprises a cylindrical locking sleeve and an unlocking sleeve. An annular protrusion protruding inwards is arranged in a port in the front end of the locking sleeve. The inner side edge of the annular protrusion is arranged in the radial direction. The outer side edge of the annular protrusion inclines outwards to form a conical opening. The outer circular wall face of the cylindrical body at the front end of a shell of the SMA-female connector body is provided with an annular groove, the outer side edge of the annular groove is arranged in the radial direction, the outer circular wall face of the cylindrical body at the front end of a shell of the SMA-male connector body is provided with an annular unlocking groove in the radial direction, the rear end of the unlocking sleeve is provided with an annular unlocking protrusion protruding inwards, the front end of the unlocking sleeve is provided with an annular hook-shaped protrusion protruding inwards, and the end of the annular hook-shaped protrusion abuts against the conical opening in the outer side edge of the locking sleeve. According to the push-in self-locking type radio-frequency connector, the SMA-male connector body and the SMA-female connector body are reliably connected, and are not separated from each other in the locking state, disassembly and assembly are convenient and fast, the size is small, and the requirement of small-scale development can be better met.
Description
Technical field
The present invention relates to a kind of radio frequency connector for signal transmission, particularly relate to a kind of radio frequency connector with a contact pin and a jack, belong to communication transfer technical field.
Background technology
Existing radio frequency connector, comprises Male head connector and female connector; Described Male head connector comprises male inner wire, male shell, swivel nut and is arranged on the male insulator between described male inner wire and male shell, the front end of described male inner wire has a contact pin, and the front end of described male shell has a columnar stack shell; Described female connector comprises female inner wire, female shell and is arranged on the female insulator between described female inner wire and female shell, the front end of described female inner wire has a jack, the front end of described female shell has a columnar stack shell, and this stack shell is provided with a thread segment; In the time that plug-in mounting connects, the contact pin of described male inner wire inserts in the jack of described female inner wire, and female shell front end stack shell inserts in male shell front end stack shell, and together with male shell is screwed on the thread segment on female shell front end stack shell by swivel nut.In use there is the defect of following two aspects in the radio frequency connector of this structure: on the one hand, the time of installation and removal cost is more, inconvenient operation, on the other hand, because Male head connector and female connector are threaded connection, thereby the space taking is larger, can not meet the growth requirement of connector miniaturization.
Summary of the invention
It is reliable with being connected of female connector that the technical problem to be solved in the present invention is to provide a kind of not only Male head connector, in the time of lock-out state, both can not separate, and dismounting is very convenient, volume is less, can meet better the pushing self-locking formula radio frequency connector of miniaturization growth requirement.
For solving the problems of the technologies described above, the present invention adopts so a kind of pushing self-locking formula radio frequency connector, comprises Male head connector and female connector, described Male head connector comprises male inner wire, male shell and is arranged on the male insulator between described male inner wire and male shell, the front end of described male inner wire has a contact pin, and the front end of described male shell has a columnar stack shell, described female connector comprises female inner wire, female shell and is arranged on the female insulator between described female inner wire and female shell, the front end of described female inner wire has a jack, and the front end of described female shell has a columnar stack shell, in the time that plug-in mounting connects, the contact pin of described male inner wire inserts in the jack of described female inner wire, it is characterized in that: described Male head connector also comprises a cylindrical shape locking cover that described contact pin can be locked in jack, and a cylindrical shape solution lock tube that the contact pin being locked in jack can be carried out to release, described lock sleeve is securely arranged between male insulator and male shell front end stack shell, and the outside diameter of the diameter of bore of lock sleeve and female shell front end stack shell is suitable, the front end port of described lock sleeve is provided with one to projecting inward annular protrusion, the inner side edge of this annular protrusion is along the radially setting of lock sleeve, the outward-dipping formation bell of outer side edges of this annular protrusion, the cylindrical wall of described female shell front end stack shell is provided with an annular groove radially, the outer side edges of this annular groove is along the radially setting of female shell, the shape of this annular groove and the shape of described annular protrusion are suitable, in the time that plug-in mounting connects, described female shell front end stack shell inserts in the endoporus of lock sleeve, the annular protrusion of described lock sleeve is inlaid in the annular groove of female shell, and the inner side edge of annular protrusion and the outer side edges of annular groove offset, the cylindrical wall of described male shell front end stack shell is provided with an annular release groove radially, the rear end of described solution lock tube is provided with one to projecting inward annular release projection, the front end of separating lock tube is provided with one to projecting inward annular hooked projection, the axial length of described annular release groove is greater than the axial length of annular release projection, described solution lock tube is sleeved on described male shell front end stack shell, and described annular release projection is inlaid in annular release groove, and the outer side edges bell of the end of described annular hooked projection and described lock sleeve offsets.
In the present invention, all rectangular trapezoidal or right-angled triangles of the shape of cross section of the annular groove of the annular protrusion of described lock sleeve and female shell.
In the present invention, between described male insulator and male shell front end stack shell, have a toroidal cavity, the rear end of described lock sleeve is pressed into and is fastened in described toroidal cavity.
As a kind of preferred implementation of the present invention, the front end of described lock sleeve offers several circumferentially uniform, axially extended open slots of edge.
In the present invention, the shape of cross section of described annular release groove and annular release projection is all at right angles trapezoidal.
Adopt after said structure, the present invention has following beneficial effect:
Because being provided with lock sleeve, the present invention conciliates lock tube, therefore when mounted, only female shell front end stack shell need be inserted in the endoporus of lock sleeve, Male head connector and female connector can be linked together easily, and when both are connected, because the radially inner side limit of lock sleeve annular protrusion and the radial outside limit of female shell annular groove offset, thereby make Male head connector very reliable with being connected of female connector, in the time of lock-out state, both can not separate.Because the axial length of annular release groove is greater than the axial length of annular release projection, the annular end of hooked projection and the outer side edges bell of lock sleeve offset, thereby in the time of dismounting, only need move backward separating lock tube, make annular hooked projection strut the front end port of lock sleeve, thereby the annular protrusion of lock sleeve and the annular groove of female shell are separated, Male head connector and female connector can be separated from easily like this, dismantle very convenient.
The front end of lock sleeve of the present invention offers several after circumferential uniform, axially extended open slot, can make contact pin tightr with coordinating of jack on the one hand, thereby make conductive performance better, on the other hand, can make the elasticity of lock sleeve front end port better, make annular hooked projection more easily strut the front end port of lock sleeve, thereby make dismounting more convenient.
The connector that volume ratio of the present invention is traditional is as less in SMA connector, has further reduced installing space, has met better the growth requirement of connector miniaturization; And of the present invention simple in structure, manufacturing cost is lower.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is a kind of structural representation of Male head connector in pushing self-locking formula radio frequency connector of the present invention.
Fig. 2 is the structural representation of male shell in the present invention.
Fig. 3 is the schematic side view of male shell shown in Fig. 2.
Fig. 4 be in the present invention lock sleeve partly cut open schematic diagram.
Fig. 5 is the complete section schematic diagram of lock sleeve in the present invention.
Fig. 6 is the schematic side view of male shell shown in Fig. 4.
Fig. 7 is the structural representation of separating lock tube in the present invention.
Fig. 8 is the structural representation of male insulator in the present invention.
Fig. 9 is the structural representation of male inner wire in the present invention.
Figure 10 is a kind of structural representation of female connector in pushing self-locking formula radio frequency connector of the present invention.
Figure 11 is the structural representation of female shell in the present invention.
Figure 12 is the structural representation of female inner wire in the present invention.
Embodiment
Referring to a kind of pushing self-locking formula radio frequency connector shown in Fig. 1 to Figure 12, comprise Male head connector 1 and female connector 2, described Male head connector 1 comprises male inner wire 11, male shell 12 and is arranged on the male insulator 13 between described male inner wire 11 and male shell 12, the front end of described male inner wire 11 has a contact pin 11-1, and the front end of described male shell 12 has a columnar stack shell 12-1, described female connector 2 comprises female inner wire 21, female shell 22 and is arranged on the female insulator 23 between described female inner wire 21 and female shell 22, the front end of described female inner wire 21 has a jack 21-1, and the front end of described female shell 22 has a columnar stack shell 22-1, in the time that plug-in mounting connects, the contact pin 11-1 of described male inner wire 11 inserts in the jack 21-1 of described female inner wire 21, described Male head connector 1 also comprises a metal cylindrical shape locking cover 14 that described contact pin 11-1 can be locked in jack 21-1, and the cylindrical shape solution lock tube 15 that the plastics that are locked in contact pin 11-1 in jack 21-1 and carry out release can be made, described lock sleeve 14 is securely arranged between male insulator 13 and male shell 12 front end stack shell 12-1, and the outside diameter D of the diameter of bore d of lock sleeve 14 and female shell 22 front end stack shell 22-1 is suitable, described diameter of bore d is preferably greater than outside diameter D0.02～0.06mm, the front end 14-1 port of described lock sleeve 14 is provided with one to projecting inward annular protrusion 14a, the inner side edge 14a-1 of this annular protrusion 14a is along the radially setting of lock sleeve 14, the outward-dipping formation bell of outer side edges 14a-2 of this annular protrusion 14a, the cross section of this bell is splayed configuration, the cylindrical wall of described female shell 22 front end stack shell 22-1 is provided with an annular groove 22a radially, the outer side edges 22a-1 of this annular groove 22a is along the radially setting of female shell 22, the shape of this annular groove 22a and the shape of described annular protrusion 14a are suitable, in the time that plug-in mounting connects, described female shell 22 front end stack shell 22-1 insert in the endoporus of lock sleeve 14, the annular protrusion 14a of described lock sleeve 14 is inlaid in the annular groove 22a of female shell 22, and the inner side edge 14a-1 of annular protrusion 14a and the outer side edges 22a-1 of annular groove 22a offset, the cylindrical wall of described male shell 12 front end stack shell 12-1 is provided with an annular release groove 12a radially, the rear end of described solution lock tube 15 is provided with one to projecting inward annular release projection 15a, the front end of separating lock tube 15 is provided with one to projecting inward annular hooked projection 15b, the axial length of described annular release groove 12a is greater than the axial length of annular release projection 15a, described solution lock tube 15 is sleeved on described male shell 12 front end stack shell 12-1, and described annular release projection 15a is inlaid in annular release groove 12a, the end 15b-1 of described annular hooked projection 15b and the outer side edges 14a-2 bell of described lock sleeve 14 offset.
In the present invention, as shown in Fig. 1,4,5,10,11, the shape of cross section of the annular protrusion 14a of described lock sleeve 14 and the annular groove 22a of female shell 22 is rectangular trapezoidal or right-angled triangle all.
In the present invention, as shown in Figure 1, 2, between described male insulator 13 and male shell 12 front end stack shell 12-1, have a toroidal cavity 16, the rear end 14-2 of described lock sleeve 14 is pressed into and is fastened in described toroidal cavity 16.
As a preferred embodiment of the present invention, as shown in Figure 4,5, the front end 14-1 of described lock sleeve 14 offers circumferentially uniform, axially extended open slot 14-1-1 of several edges, and the open slot 14-1-1 shown in figure has 8.Adopt after such structure, can make contact pin 11-1 tightr with coordinating of jack 21-1 on the one hand, thereby make conductive performance better, on the other hand, can make the elasticity of front end 14-1 port of lock sleeve 14 better, make annular hooked projection 15b more easily strut the front end 14-1 port of lock sleeve 14, thereby make dismounting more convenient.
In the present invention, as shown in Fig. 1,2,7, the shape of cross section of described annular release groove 12a and annular release projection 15a is all at right angles trapezoidal.
Referring to Fig. 1,10, the present invention when mounted, only female shell 22 front end stack shell 22-1 need be inserted in the endoporus of lock sleeve 14, Male head connector 1 and female connector 2 can be linked together easily, and when both are connected, the radial outside limit 22a-1 of the radially inner side limit 14a-1 of lock sleeve annular protrusion 14a and female shell annular groove 22a offsets, thereby makes Male head connector 1 very reliable with being connected of female connector 2, both separation that can not get loose in the time of lock-out state.The present invention is in the time of dismounting, only need move backward separating lock tube 15, Figure 1 shows that and be moved to the left, make annular hooked projection 15b strut the front end 14-1 port of lock sleeve 14, thereby the annular protrusion 14a of lock sleeve 15 and the annular groove 22a of female shell 22 are separated, Male head connector 1 and female connector 2 can be separated from easily like this.
Claims (5)
1. a pushing self-locking formula radio frequency connector, comprises Male head connector (1) and female connector (2), described Male head connector (1) comprise male inner wire (11), male shell (12) and be arranged on described male inner wire (11) and male shell (12) between male insulator (13), the front end of described male inner wire (11) has a contact pin (11-1), and the front end of described male shell (12) has a columnar stack shell (12-1), described female connector (2) comprise female inner wire (21), female shell (22) and be arranged on described female inner wire (21) and female shell (22) between female insulator (23), the front end of described female inner wire (21) has a jack (21-1), and the front end of described female shell (22) has a columnar stack shell (22-1), in the time that plug-in mounting connects, the contact pin (11-1) of described male inner wire (11) inserts in the jack (21-1) of described female inner wire (21), it is characterized in that: described Male head connector (1) also comprises a cylindrical shape locking cover (14) that described contact pin (11-1) can be locked in jack (21-1), and a cylindrical shape solution lock tube (15) that the contact pin (11-1) being locked in jack (21-1) can be carried out to release, described lock sleeve (14) is securely arranged between male insulator (13) and male shell (12) front end stack shell (12-1), and the diameter of bore (d) of lock sleeve (14) is suitable with the outside diameter (D) of female shell (22) front end stack shell (22-1), front end (14-1) port of described lock sleeve (14) is provided with one to projecting inward annular protrusion (14a), the inner side edge (14a-1) of this annular protrusion (14a) is along the radially setting of lock sleeve (14), the outward-dipping formation bell of outer side edges (14a-2) of this annular protrusion (14a), the cylindrical wall of described female shell (22) front end stack shell (22-1) is provided with an annular groove (22a) radially, the outer side edges (22a-1) of this annular groove (22a) is along the radially setting of female shell (22), the shape of the shape of this annular groove (22a) and described annular protrusion (14a) is suitable, in the time that plug-in mounting connects, described female shell (22) front end stack shell (22-1) inserts in the endoporus of lock sleeve (14), the annular protrusion (14a) of described lock sleeve (14) is inlaid in the annular groove (22a) of female shell (22), and the inner side edge (14a-1) of annular protrusion (14a) offsets with the outer side edges (22a-1) of annular groove (22a), the cylindrical wall of described male shell (12) front end stack shell (12-1) is provided with an annular release groove (12a) radially, the rear end of described solution lock tube (15) is provided with one to projecting inward annular release projection (15a), the front end of separating lock tube (15) is provided with one to projecting inward annular hooked projection (15b), the axial length of described annular release groove (12a) is greater than the axial length of annular release projection (15a), described solution lock tube (15) is sleeved on described male shell (12) front end stack shell (12-1), and described annular release projection (15a) is inlaid in annular release groove (12a), the end (15b-1) of described annular hooked projection (15b) offsets with outer side edges (14a-2) bell of described lock sleeve (14).
2. pushing self-locking formula radio frequency connector according to claim 1, is characterized in that: the shape of cross section of the annular protrusion (14a) of described lock sleeve (14) and the annular groove (22a) of female shell (22) is rectangular trapezoidal or right-angled triangle all.
3. pushing self-locking formula radio frequency connector according to claim 1, it is characterized in that: between described male insulator (13) and male shell (12) front end stack shell (12-1), have a toroidal cavity (16), the rear end (14-2) of described lock sleeve (14) is pressed into and is fastened in described toroidal cavity (16).
4. pushing self-locking formula radio frequency connector according to claim 1, is characterized in that: the front end (14-1) of described lock sleeve (14) offers several circumferentially uniform, axially extended open slots (14-1-1) of edge.
5. pushing self-locking formula radio frequency connector according to claim 1, is characterized in that: the shape of cross section of described annular release groove (12a) and annular release projection (15a) is all at right angles trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215210.2A CN103996930A (en) | 2014-05-21 | 2014-05-21 | Push-in self-locking type radio-frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215210.2A CN103996930A (en) | 2014-05-21 | 2014-05-21 | Push-in self-locking type radio-frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103996930A true CN103996930A (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215210.2A Pending CN103996930A (en) | 2014-05-21 | 2014-05-21 | Push-in self-locking type radio-frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103996930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016033996A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Locking mechanism of radio frequency connector and radio frequency connector having locking mechanism |
| CN106921065A (en) * | 2017-03-30 | 2017-07-04 | 谈振新 | Pushing self-locking cluster radio coaxial connector assemblies |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369450Y (en) * | 2009-03-10 | 2009-12-23 | 镇江通达电子有限公司 | Coaxial connector capable of quickly inserting, pulling and self-locking |
| CN101958494A (en) * | 2010-10-11 | 2011-01-26 | 镇江金润信电子科技有限公司 | Coaxial connector |
| CN201946833U (en) * | 2010-11-15 | 2011-08-24 | 安费诺科耐特(西安)科技有限公司 | Connector with tolerance blind-mating and self-locking functions |
| CN203911121U (en) * | 2014-05-21 | 2014-10-29 | 常州市新盛电器有限公司 | Push-in self-locking radio frequency connector |
-
2014
- 2014-05-21 CN CN201410215210.2A patent/CN103996930A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369450Y (en) * | 2009-03-10 | 2009-12-23 | 镇江通达电子有限公司 | Coaxial connector capable of quickly inserting, pulling and self-locking |
| CN101958494A (en) * | 2010-10-11 | 2011-01-26 | 镇江金润信电子科技有限公司 | Coaxial connector |
| CN201946833U (en) * | 2010-11-15 | 2011-08-24 | 安费诺科耐特(西安)科技有限公司 | Connector with tolerance blind-mating and self-locking functions |
| CN203911121U (en) * | 2014-05-21 | 2014-10-29 | 常州市新盛电器有限公司 | Push-in self-locking radio frequency connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016033996A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Locking mechanism of radio frequency connector and radio frequency connector having locking mechanism |
| CN105470752A (en) * | 2014-09-03 | 2016-04-06 | 华为技术有限公司 | Locking mechanism of RF connector, and radio frequency connector having locking mechanism |
| CN105470752B (en) * | 2014-09-03 | 2018-05-18 | 华为技术有限公司 | Radio frequency connector retaining mechanism and the radio frequency connector with the retaining mechanism |
| CN106921065A (en) * | 2017-03-30 | 2017-07-04 | 谈振新 | Pushing self-locking cluster radio coaxial connector assemblies |
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Application publication date: 20140820 |