CN212462113U - Detachable FQ connector - Google Patents
Detachable FQ connector Download PDFInfo
- Publication number
- CN212462113U CN212462113U CN202021071290.6U CN202021071290U CN212462113U CN 212462113 U CN212462113 U CN 212462113U CN 202021071290 U CN202021071290 U CN 202021071290U CN 212462113 U CN212462113 U CN 212462113U
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- Prior art keywords
- insulator
- tail
- straight pipe
- inner cavity
- shell
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- 238000003825 pressing Methods 0.000 claims abstract description 58
- 239000012212 insulator Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000004020 conductor Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a detachable FQ connector, which comprises a tail component and a plug component; the tail assembly comprises a straight pipe, a sealing rubber body and a sealing pressing ring which are sequentially arranged at the rear part of the inner cavity of the straight pipe, a tail nut arranged at the tail end of the straight pipe and a spring arranged in the inner cavity of the tail nut; the plug assembly comprises a shell, an insulator, an insulating pressing plate, an inner conductor and an inner conductor, wherein the insulator and the insulating pressing plate are sequentially arranged at the middle rear part of an inner cavity of the shell; the front part of the inner cavity of the straight pipe is also provided with a pressing sleeve; the inner conductor mounting holes of the insulator and the insulating pressing plate are provided with limiting grooves for fixing the inner conductor; the tail end of the insulator is provided with an insulating press plate positioning hole, and the front end of the insulating press plate is provided with a positioning pin matched with the insulating press plate; after the tail end of the shell is in threaded connection with the front end of the straight pipe, the insulating pressing plate is fixed by the pressing sleeve, and the insulator and the inner conductor are pressed and fixed. The insulator and inner conductor can be removed by simply unscrewing the tail assembly.
Description
Technical Field
The utility model relates to a FQ connector especially relates to a detachable FQ connector.
Background
The connector functions to connect the devices of two active devices to transmit current or signals. At present, most of FQ connectors are assembled in a welding mode, and cannot be disassembled after being assembled, and cannot be maintained when a fault occurs, and only scrapping treatment can be carried out; a few FQ connectors are connected in a compression joint mode, the connector contact piece can be detached, and the fixed structural part cannot be detached. No matter what kind of assembly mode, all bring the puzzlement for use and maintenance.
With the rapid development of domestic traffic tracks, high-speed rails and subways are built in two-three-wire cities, the demand for the FQ connector is gradually increased, and due to the increase of the demand, the market has more requirements on the maintenance and price of the FQ connector, so that the FQ connector needs to be further researched, developed and improved.
Disclosure of Invention
To the existing technical problem, the utility model provides a detachable FQ connector to reduce the cost of product greatly, also guarantee the maintainability of customer's demand.
In order to achieve the above purpose, the utility model provides a detachable FQ connector, which comprises a tail component and a plug component; the tail assembly comprises a straight pipe, a sealing rubber body and a sealing pressing ring which are sequentially arranged at the rear part of the inner cavity of the straight pipe, a tail nut arranged at the tail end of the straight pipe and a spring arranged in the inner cavity of the tail nut; the plug assembly comprises a shell, an insulator, an insulating pressing plate and an inner conductor, wherein the insulator and the insulating pressing plate are sequentially arranged at the middle rear part of an inner cavity of the shell, and the inner conductor is arranged in inner conductor mounting holes of the insulator and the insulating pressing plate.
The front part of the inner cavity of the straight pipe is also provided with a pressing sleeve.
The inner conductor mounting holes of the insulator and the insulating pressing plate are provided with limiting grooves for fixing the inner conductor, so that the position of the inner conductor is fixed.
And the tail end of the insulator is provided with an insulating pressing plate positioning hole, and the front end of the insulating pressing plate is provided with a positioning pin matched with the insulating pressing plate so as to realize the position fixation of the insulating pressing plate.
And after the tail end of the shell is in threaded connection with the front end of the straight pipe, the insulating pressing plate is fixed by the pressing sleeve, and the insulator and the inner conductor are pressed and fixed.
Among the above-mentioned technical scheme, the utility model discloses a FQ type circular connector, inner conductor adopt the contact commonly used, place in the middle of insulator and insulating clamp plate and fixed position. And the straight tube of the tail assembly is connected with the shell of the plug assembly through threads, namely when the tail assembly is fixedly screwed on the shell, the pressing sleeve compresses the insulating pressing plate, so that the insulator fixed to the position of the insulating pressing plate is compressed, the inner conductor is fixed by the insulator and the insulator pressing plate, and the insulator pressing plate is fixed by the pressing sleeve and the straight tube. When the connector needs to be disassembled, the insulator and the inner conductor can be disassembled only by unscrewing the straight tube of the tail assembly, and the operation and the use are convenient.
Furthermore, the periphery of the tail of the shell is provided with a shell external thread, and the inner cavity of the front end of the straight pipe is provided with a straight pipe internal thread matched with the shell external thread.
Furthermore, the front end of the insulator is provided with an annular positioning boss, and the inner wall of the shell is provided with an insulator mounting step matched with the front end of the annular positioning boss so as to fix the position of the insulator and limit the forward movement of the insulator.
Furthermore, the periphery of the rear end of the straight pipe is provided with a straight pipe external thread, and the inner cavity of the front part of the tail nut is provided with a tail nut internal thread matched with the tail nut external thread.
Further, casing periphery middle part be equipped with the sealing washer mounting groove, install O type sealing washer in this sealing washer mounting groove to the waterproof effect after realizing inserting with the socket.
Furthermore, an interface sealing ring mounting groove is formed in the inner cavity of the shell and is positioned in the front upper part of the insulator, an interface sealing ring is mounted in the interface sealing ring mounting groove, and a mounting interface between the insulator and the shell has a sealing effect.
Furthermore, the tail assembly further comprises a gasket which is arranged between the sealing pressing ring and the spring, and the effect of compacting and sealing is further achieved.
To sum up, the utility model has the characteristics of anti-vibration, shock-resistant, the leakproofness is strong, the quick connect separation, small, light in weight etc, connect fast, simple to use, convenient operation can be by the electric connection between various electronic equipment of wide application. Compare prior art, this detachable FQ connector has following technical advantage:
1. casing, insulator and inner conductor abandon the jump ring commonly used fixed with the injecting glue fixed, no longer use jump ring structure and injecting glue requirement, but change into detachable structure, not only the contact can be dismantled, even the fixity structure can all be dismantled like casing, insulator.
2. The structure is simpler than general crimping formula structure, and the equipment is convenient, has reduceed the cost of product greatly, has also guaranteed the maintainability of customer's demand.
3. As a highly reliable network connector, the connector is particularly suitable for data transmission among electronic equipment and has the advantages of quick connection, convenient installation, convenient wiring and the like.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is an exploded view of the plug assembly of the present invention;
fig. 3 is an assembly view of the plug assembly of the present invention;
fig. 4 is a schematic view of the plug assembly mounting cable of the present invention;
fig. 5 is an installation view of the plug assembly and tail assembly of the present invention;
in the figure: 1. the cable comprises a shell, 2, an interface sealing ring, 3, an insulator, 4, an O-shaped sealing ring, 5, an insulating pressing plate, 6, an inner conductor, 7, a cable, 11, a straight pipe, 12, a sealing rubber body, 13, a sealing pressing ring, 14, a gasket, 15, a tail nut, 16, a spring, 17 and a pressing sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
As shown in fig. 1, the detachable FQ connector of the present invention includes a plug assembly and a tail assembly.
As shown in fig. 1 and 2, the plug assembly mainly comprises six parts, namely a shell 1, an interface sealing ring 2, an insulator 3, an O-shaped sealing ring 4, an insulating pressure plate 5 and an inner conductor 6.
Wherein: the shell 1 is hollow, and the periphery of the tail part of the shell is provided with shell external threads. An insulator 3 and an insulating pressure plate 5 are sequentially arranged at the middle rear part of the inner cavity of the shell 1.
The front end of the insulator 3 is provided with an annular positioning boss, and the inner wall of the shell 1 is provided with an insulator mounting step matched with the front end of the annular positioning boss so as to fix the position of the insulator 3. An insulating pressing plate positioning hole is formed in the tail end of the insulator 3, and a positioning pin matched with the insulating pressing plate positioning hole is arranged at the front end of the insulating pressing plate 5 so as to fix the position of the insulating pressing plate 5. The insulator 3 and the insulating pressing plate 5 are both provided with inner conductor mounting holes, and the inner conductor 6 is inserted in the inner cavity at the front part of the shell 1 and the inner conductor mounting holes of the insulator 3 and the insulating pressing plate 5; and the inner conductor mounting holes of the insulator 3 and the insulating pressing plate 5 are provided with limiting grooves for fixing the inner conductor 6, so that the position of the inner conductor 6 is fixed.
And, be equipped with interface sealing washer mounting groove in the casing 1 inner chamber to be located the place ahead of insulator installation step, install interface sealing washer 2 in this interface sealing washer mounting groove.
As shown in fig. 3, in practice, the assembly process of the plug assembly is as follows: the insulator 3 is first installed in the housing 1 such that the annular positioning boss is fitted to the insulator mounting step. Then, the crimping cable 7 is inserted into the insulating pressing plate 5, and the inner conductor 6 is inserted into the inner conductor mounting hole limiting groove of the insulating pressing plate 5 so as to crimp the inner conductor 6. Finally, according to the illustration in fig. 4, the cable 7 with the insulating pressing plate 5 and the inner conductor 6 installed therein is installed in the housing 1, the inner conductor 6 is inserted into the inner conductor installation hole limiting groove of the insulator 3, and the positioning pin of the insulating pressing plate 5 is matched with the insulating pressing plate positioning hole of the insulator 3, so that installation and positioning are completed.
As shown in fig. 1 and 5, the tail assembly mainly comprises seven parts, namely a straight pipe 11, a sealing rubber body 12, a sealing pressing ring 13, a gasket 14, a tail nut 15, a spring 16 and a pressing sleeve 17.
Wherein: the straight pipe 11 is hollow, a straight pipe internal thread is arranged in the inner cavity of the front section of the straight pipe and matched with the shell external thread, and a straight pipe external thread is arranged on the periphery of the rear end of the straight pipe 11. A pressing sleeve 17 is installed in an inner cavity in the front portion of the straight pipe 11, a sealing rubber body installation hole is formed in an inner cavity in the rear portion of the straight pipe 11, a sealing rubber body 12 is installed in the sealing rubber body installation hole, a sealing pressing ring 13 is placed in the rear portion of the sealing rubber body 12, and inclined planes of the sealing rubber body and the sealing rubber body correspond to each other as shown in figures 1 and 5.
The tail nut 15 is hollow, and the inner cavity of the tail nut is provided with a tail nut internal thread matched with the straight pipe external thread, a tail nut positioning step and a spring hole from front to back. The inner cavity of the rear part of the straight pipe 11 and the inner cavity of the tail nut 15 are sequentially provided with a sealing rubber body 12, a sealing pressing ring 13, a gasket 14 and one end of a spring 16. The tail end with the larger diameter of the spring 16 is matched with the positioning step of the tail nut, and the tail end with the smaller diameter of the spring 16 penetrates out of the spring hole.
When in implementation, the tail assembly is installed in the following way: the sealing rubber body 12 is arranged in the sealing rubber body mounting hole from the rear part of the straight pipe, and the sealing pressing ring 13 is placed at the rear section of the sealing rubber body 12. The tail end with the smaller diameter of the spring 16 passes through the spring hole of the tail nut 15, and the tail end spring ring with the larger diameter of the spring 16 is matched with the positioning step of the tail nut for installation and positioning. A washer 14 is placed between the sealing pressing ring 13 and a spring 15, and a tail nut 15 is locked at the rear side of the straight pipe 11 through threads to press the end face of the spring 16.
As shown in fig. 5, the assembly process of the header assembly and the tail assembly is as follows: because the contact department design of the straight tube 11 of the shell 1 and the afterbody subassembly of plug subassembly has the screw thread of mutually supporting, install the straight tube 11 at the shell 1 rear portion, along with the locking of both screw threads, the pressure cover 17 of afterbody subassembly is close to the insulating clamp plate 5 of plug subassembly to tightly fix insulating clamp plate 5, make plug subassembly and afterbody subassembly fixed mounting, and shrink crimping cable, play sealed effect.
Because the shell 1 of the plug assembly is connected with the straight tube 11 of the tail assembly by threads, the inner conductor 6 is fixed by the insulator 3 and the insulating pressing plate 5, and the pressing sleeve 17 and the straight tube 11 fix the insulating pressing plate 5, when the plug assembly and the tail assembly are disassembled, the disassembly of the insulator 3 and the inner conductor 6 can be completed as long as the straight tube 11 is screwed off.
Furthermore, the utility model discloses casing 1 and other end socket are mutually joined in marriage, and the interface cooperation is locked by three helicla flute and the cooperation of three bayonet lock on the casing 1. The periphery of the middle part of the shell 1 is provided with a sealing ring mounting groove, and an O-shaped sealing ring 4 is mounted in the sealing ring mounting groove so as to realize the waterproof effect after being inserted into the socket.
To sum up, the utility model discloses a casing 1, insulator 3 and inner conductor 6 abandon the jump ring commonly used fixed with the injecting glue fixed knot construct, but adopt the detachable structure, no longer use the jump ring structure, do not have the injecting glue requirement yet, not only the structure is advanced, the reliability is high, can be more convenient connecting cable moreover. Through long-term use and many-sided detection, the utility model discloses a mechanical properties sees table one, and electric function sees table two, and environmental performance sees table three.
Furthermore, the utility model discloses a basic performance parameter summarizes as follows:
table one: mechanical characteristics
| Serial number | Item | Performance requirements | Remarks for |
| 1 | Mechanical life | Not less than 500 times |
Table two: electric function
| Serial number | Item | Performance requirements | Remarks for |
|
| 1 | Rated | 500V | ||
| 2 | Withstand | 700V AC | ||
| 3 | Insulation resistance | ≥ |
||
| 4 | Contact resistance | ≤ |
||
| 5 | Rated current | 1A |
Table three: environmental performance
The above description should be construed as illustrative and not limitative of the remainder of the disclosure in any way whatsoever, but rather as indicating the scope of the invention to which the invention pertains.
Claims (7)
1. A detachable FQ connector comprises a tail component and a plug component; the tail assembly comprises a straight pipe, a sealing rubber body and a sealing pressing ring which are sequentially arranged at the rear part of the inner cavity of the straight pipe, a tail nut arranged at the tail end of the straight pipe and a spring arranged in the inner cavity of the tail nut; the plug assembly comprises a shell, an insulator, an insulating pressing plate, an inner conductor and an inner conductor, wherein the insulator and the insulating pressing plate are sequentially arranged at the middle rear part of an inner cavity of the shell;
the method is characterized in that: the front part of the inner cavity of the straight pipe is also provided with a pressing sleeve;
the inner conductor mounting holes of the insulator and the insulating pressing plate are provided with limiting grooves for fixing the inner conductor;
the tail end of the insulator is provided with an insulating press plate positioning hole, and the front end of the insulating press plate is provided with a positioning pin matched with the insulating press plate;
and after the tail end of the shell is in threaded connection with the front end of the straight pipe, the insulating pressing plate is fixed by the pressing sleeve, and the insulator and the inner conductor are pressed and fixed.
2. The detachable FQ connector according to claim 1, wherein the outer periphery of the tail part of the shell is provided with outer threads of the shell, and the inner cavity of the front end of the straight pipe is provided with inner threads of the straight pipe matched with the outer threads of the shell.
3. The detachable FQ connector as claimed in claim 1, wherein the front end of the insulator is provided with an annular positioning boss, and the inner cavity of the housing is provided with an insulator mounting step which is engaged with the front end of the annular positioning boss.
4. The detachable FQ connector according to claim 1, wherein the outer periphery of the rear end of the straight pipe is provided with a straight pipe external thread, and the inner cavity of the front part of the tail nut is provided with a tail nut internal thread matched with the tail nut external thread.
5. The detachable FQ connector according to claim 1, wherein a seal ring mounting groove is formed in a central portion of an outer circumference of the housing, and an O-ring is mounted in the seal ring mounting groove.
6. The detachable FQ connector according to claim 1, wherein an interface gasket mounting groove is formed in the inner cavity of the housing and located above and in front of the insulator, and an interface gasket is mounted in the interface gasket mounting groove.
7. The detachable FQ connector of claim 1, wherein said tail assembly further comprises a washer disposed between said sealing retainer and said spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021071290.6U CN212462113U (en) | 2020-06-11 | 2020-06-11 | Detachable FQ connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021071290.6U CN212462113U (en) | 2020-06-11 | 2020-06-11 | Detachable FQ connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212462113U true CN212462113U (en) | 2021-02-02 |
Family
ID=74491893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021071290.6U Active CN212462113U (en) | 2020-06-11 | 2020-06-11 | Detachable FQ connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212462113U (en) |
-
2020
- 2020-06-11 CN CN202021071290.6U patent/CN212462113U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |