CN217406544U - Air pressure test optical fiber signal switching device - Google Patents
Air pressure test optical fiber signal switching device Download PDFInfo
- Publication number
- CN217406544U CN217406544U CN202123450652.XU CN202123450652U CN217406544U CN 217406544 U CN217406544 U CN 217406544U CN 202123450652 U CN202123450652 U CN 202123450652U CN 217406544 U CN217406544 U CN 217406544U
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- optical fiber
- signal switching
- switching device
- sealing
- coupler
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Abstract
The utility model provides a pneumatic test optical fiber signal switching device, including barrel, ring flange and optic fibre line, the ring flange is installed through first seal assembly on the bead of barrel, the surface of ring flange is equipped with a plurality of through-holes, is equipped with second seal assembly in the through-hole, and the optic fibre line passes second seal assembly perpendicularly, and the optic fibre line both ends are connected with the coupler, the utility model discloses can carry out the signal switching to the experimental sample of low atmospheric pressure test, sealed effectual, convenient to use not only practices thrift test time, can improve experimental effect moreover.
Description
Technical Field
The utility model relates to a low-pressure test field, especially a barometer test fiber signal switching device.
Background
The low air pressure test is a test in which a test sample is placed in a test chamber (chamber), and then the air pressure in the chamber (chamber) is reduced to a value prescribed by a relevant standard and is maintained for a prescribed duration. The purpose is mainly to determine the adaptability of the low-pressure environment of the components, equipment or other products in storage, transportation and use, during testing, the running state and the running parameters of a test sample need to be converted by a coupler, and then are led out through a fiber optic line to be displayed on a testing instrument, and in order to save time cost and the cost of manufacturing a special adapter for a single test, some universal wiring switching devices are required to be manufactured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a pneumatic test optical fiber signal switching device to solve the technical problem who proposes in the above-mentioned technical background.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an atmospheric pressure test optical fiber signal switching device, includes barrel, ring flange and optic fibre line, the ring flange is installed through first seal assembly on the bead of barrel, the surface of ring flange is equipped with a plurality of through-holes, be equipped with second seal assembly in the through-hole, the optic fibre line passes second seal assembly perpendicularly, and the optic fibre line both ends have the coupler through OM3 multimode fiber connection.
Further, a sealing component includes that buckle, sealed pad and cover establish sealed epaxial sealing washer, the lower surface of ring flange are equipped with first draw-in groove, the sealed cross-section that fills up is T type structure, a shoulder and the first draw-in groove joint of T type structure, another shoulder and the inner wall butt of barrel of T type structure, the bead department of barrel is equipped with and has the turn-ups, the upper surface of turn down rims lower surface and ring flange all is equipped with the second draw-in groove, and the buckle passes through second draw-in groove joint is between ring flange and barrel and through the fixed locking of lock nut.
Further, the second sealing assembly comprises a sealing plug and a compression nut, the sealing plug is in interference fit with the through hole, and the compression nut is in threaded fit with the through hole and seals the sealing plug in the through hole.
Furthermore, the through hole comprises a conical section and a rectangular section, the sealing plug is arranged in the conical section, and the compression nut is in threaded fit with the rectangular section and seals the sealing plug in the conical section.
Furthermore, the joint of the optical fiber line and the second sealing component and the joint of the second sealing component and the through hole are both provided with sealing glue.
Furthermore, the upper surface and the lower surface of the flange plate are both provided with support rods, the support rods are fixedly provided with mounting plates, and the couplers are fixedly mounted on the mounting plates.
Further, the coupler is one or more of an LC coupler, an ST coupler, an SC coupler and an FC coupler.
The utility model has the advantages that: the utility model discloses can carry out the signal switching to the test sample of low-pressure test, it is sealed effectual, convenient to use not only practices thrift test time, can improve experimental effect moreover.
Drawings
FIG. 1 is a schematic view of the connection structure of the flange plate and the optical fiber line of the present invention;
FIG. 2 is a schematic view of the connection structure of the flange and the cylinder of the present invention;
fig. 3 is a schematic view of the through hole structure of the present invention.
In the figure, 1-flange plate, 2-sealing plug, 3-compression nut, 4-mounting plate, 5-coupler, 6-OM3 multimode fiber, 7-supporting rod, 8-fiber line, 9-barrel, 10-buckle, 11-sealing pad, 12-sealing ring, 13-first clamping groove, 14-flanging, 15-second clamping groove, 16-locking nut, 17-conical section and 18-rectangular section.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Example (b):
an optical fiber signal switching device for an air pressure test is shown in attached drawings 1 and 2 and comprises a barrel 9, a flange plate 1 and an optical fiber line 8, wherein the flange plate 1 is installed on a bead of the barrel 9 through a first sealing assembly, a plurality of through holes are formed in the surface of the flange plate 1, a second sealing assembly is arranged in each through hole, the optical fiber line 8 vertically penetrates through the second sealing assembly, and two ends of the optical fiber line 8 are connected with couplers 5 through OM3 multimode optical fibers 6.
First seal assembly includes buckle 10, sealed 11 and the cover of filling up and establishes sealing washer 12 on the sealed 11 that fills up, the lower surface of ring flange 1 is equipped with first draw-in groove 13, the cross-section of sealed 11 that fills up is T type structure, a shoulder and the first draw-in groove 13 joint of T type structure, another shoulder and the inner wall butt of barrel 9 of T type structure, the bead department of barrel 9 is equipped with and has turn-ups 14, turn-ups 14 lower surface and ring flange 1's upper surface all are equipped with second draw-in groove 15, and buckle 10 passes through 15 joints of second draw-in groove are fixed the locking between ring flange 1 and barrel 9 and through lock nut 16.
The second sealing assembly comprises a sealing plug 2 and a compression nut 3, the sealing plug 2 is in interference fit in the through hole, and the compression nut 3 is in threaded fit with the through hole and seals the sealing plug 2 in the through hole.
The utility model discloses specifically when using, put into barrel 9 with the experimental sample that needs the low pressure test, and coupler 5 and the experimental sample electric connection through the ring flange below, will seal up 11 joints on ring flange 1 afterwards, establish sealing washer 12 cover on sealed pad 11 and with ring flange 1 lid close on the bead of barrel 1 again, utilize buckle 10 to fix ring flange 1 and barrel and utilize lock nut 16 to lock at last, after the installation, peg graft the plug of testing instrument on coupler 5 of ring flange 1 top, alright with operational parameter and the data through testing instrument observation experimental sample.
In the above embodiment, as shown in fig. 3, the through hole preferably includes a tapered section 17 and a rectangular section 18, the sealing plug 2 is disposed in the tapered section 17, and the compression nut 3 is in threaded engagement with the rectangular section 18 and seals the sealing plug 2 in the tapered section 17, in this embodiment, the through hole has the tapered section 17, and the sealing plug 2 is prevented from falling into the cylinder 9 because the cross section of the lower end of the tapered section is smaller.
In the above embodiment, preferably, the joint between the optical fiber 8 and the second sealing assembly and the joint between the second sealing assembly and the through hole are both provided with a sealant, so that the sealing performance of the whole device can be further improved.
In the above embodiment, preferably, the upper and lower surfaces of the flange plate 1 are both provided with the support rods 7, the support rods 7 are fixedly provided with the mounting plate 4, and the coupler 5 is fixedly mounted on the mounting plate 4.
In the above embodiment, preferably, the coupler 5 is one or more of an LC coupler, an ST coupler, an SC coupler, and an FC coupler, so as to adapt to test samples of different interfaces.
The above-mentioned embodiments only express the specific implementation manner of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. The utility model provides an atmospheric pressure test optical fiber signal switching device, a serial communication port, includes barrel (9), ring flange (1) and optic fibre line (8), ring flange (1) is installed through first seal assembly on the bead of barrel (9), the surface of ring flange (1) is equipped with a plurality of through-holes, be equipped with second seal assembly in the through-hole, optic fibre line (8) pass second seal assembly perpendicularly, and optic fibre line (8) both ends are connected with coupler (5) through OM3 multimode fiber (6).
2. The pneumatic test optical fiber signal switching device according to claim 1, the first sealing component comprises a buckle (10), a sealing gasket (11) and a sealing ring (12) sleeved on the sealing gasket (11), a first clamping groove (13) is arranged on the lower surface of the flange plate (1), the section of the sealing gasket (11) is of a T-shaped structure, one shoulder part of the T-shaped structure is clamped with the first clamping groove (13), the other shoulder part of the T-shaped structure is abutted against the inner wall of the cylinder body (9), a flanging (14) is arranged at the edge opening of the cylinder body (9), the lower surface of the flanging (14) and the upper surface of the flange plate (1) are respectively provided with a second clamping groove (15), and the buckle (10) is clamped between the flange plate (1) and the barrel body (9) through the second clamping groove (15) and is fixedly locked through a locking nut (16).
3. A pneumatic test optical fiber signal switching device according to claim 1, wherein the second sealing assembly comprises a sealing plug (2) and a compression nut (3), the sealing plug (2) is in interference fit in the through hole, and the compression nut (3) is in threaded fit with the through hole and seals the sealing plug (2) in the through hole.
4. A pneumatic test optical fiber signal switching device according to claim 3, wherein the through hole comprises a tapered section (17) and a rectangular section (18), the sealing plug (2) is arranged in the tapered section (17), and the compression nut (3) is in threaded engagement with the rectangular section (18) and seals the sealing plug (2) in the tapered section (17).
5. The air pressure test optical fiber signal switching device according to claim 3, wherein a sealant is disposed at a joint of the optical fiber line (8) and the second sealing component and a joint of the second sealing component and the through hole.
6. An air pressure test optical fiber signal switching device according to claim 1, wherein the upper and lower surfaces of the flange plate (1) are provided with support rods (7), the support rods (7) are fixedly provided with mounting plates (4), and the couplers (5) are fixedly mounted on the mounting plates (4).
7. A pneumatic test optical fiber signal switching device according to claim 1, wherein the coupler (5) is one or more of an LC coupler, an ST coupler, an SC coupler and an FC coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450652.XU CN217406544U (en) | 2021-12-31 | 2021-12-31 | Air pressure test optical fiber signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450652.XU CN217406544U (en) | 2021-12-31 | 2021-12-31 | Air pressure test optical fiber signal switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217406544U true CN217406544U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123450652.XU Active CN217406544U (en) | 2021-12-31 | 2021-12-31 | Air pressure test optical fiber signal switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217406544U (en) |
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2021
- 2021-12-31 CN CN202123450652.XU patent/CN217406544U/en active Active
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