CN214705799U - FR12B type explosion-proof flow switch - Google Patents
FR12B type explosion-proof flow switch Download PDFInfo
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- CN214705799U CN214705799U CN202120584261.8U CN202120584261U CN214705799U CN 214705799 U CN214705799 U CN 214705799U CN 202120584261 U CN202120584261 U CN 202120584261U CN 214705799 U CN214705799 U CN 214705799U
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- plate
- flow switch
- fr12b
- explosion
- screw rod
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- 230000001681 protective effect Effects 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model discloses an explosion-proof flow switch of FR12B type, which comprises a housin, casing bottom fixedly connected with plectane, first spout has been seted up to the plectane bottom, first spout quantity is provided with two, two the inside equal sliding connection of first spout has first fly leaf, the plectane bottom is provided with the accessory plate. Through connecting pipe installation casing, rotate first screw rod through first thread groove simultaneously, place the protection casing through the through-hole simultaneously, make first screw rod drive stripper plate and protection casing laminating, thereby convenience of customers fixes the position of protection casing, first screw rod drives the bearing frame simultaneously, the bearing frame drives first fly leaf, first fly leaf slides in first spout is inside, first fly leaf drives splint simultaneously, splint and connecting pipe laminating, it is more stable to make explosion-proof flow switch install, drive spacing spring through the protection casing simultaneously, spacing spring drives the locating plate, locating plate and spacing groove cooperation, the barrier propterty of device has been improved.
Description
Technical Field
The utility model relates to a flow switch technical field, concretely relates to explosion-proof flow switch of FR12B type.
Background
The FR12B type explosion-proof flow switch can be widely applied to flow detection in flammable and explosive places such as petroleum, chemical engineering, electric power, metallurgy and the like, the FR12B type explosion-proof flow switch is designed based on the L.V.King heat exchange principle, the front end of the FR12B type explosion-proof flow switch is provided with a flow sensor, and the contact part of the FR12 type explosion-proof flow switch and a medium is provided with two probes. One probe measures the temperature of the medium, the other probe measures the temperature and is heated, the temperature difference between the two probes is the largest when no medium flows, the temperature difference between the two probes is reduced when the medium flows, the temperature difference is only related to the flow speed of the medium, the larger the flow speed is, the smaller the temperature difference is, the larger the flow speed is, the larger the temperature difference is, the largest the temperature difference is when the medium does not flow, and meanwhile, the temperature difference is related to the heat conduction temperature of the medium, and when the flow speed is lower than or equal to a certain set value, the relay is switched on or switched off, and a switching value signal is output.
However, the existing flow switch is generally designed in an integrated manner in the using process, and the device is troublesome to disassemble and assemble. Meanwhile, the flow switch is not provided with a protection structure, and when the flow switch breaks down or explodes, damage of different scales is easily caused.
Therefore, it is necessary to invent an FR12B type explosion-proof flow switch to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an explosion-proof flow switch of FR12B type, through connecting pipe installation casing, rotate first screw rod through first thread groove simultaneously, place the protection casing through the through-hole simultaneously, make first screw rod drive stripper plate and protection casing laminating, thereby convenience of customers fixes the position of protection casing, first screw rod drives the bearing frame simultaneously, the bearing frame drives first fly leaf, first fly leaf slides in first spout is inside, first fly leaf drives splint simultaneously, splint and connecting pipe laminating, make explosion-proof flow switch installation more stable, drive spacing spring through the protection casing simultaneously, spacing spring drives the locating plate, locating plate and spacing groove cooperation, the barrier propterty of device has been improved, violently manage through the work groove installation, violently manage and the round hole cooperation, the convenience of customers violently manages, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an FR12B type explosion-proof flow switch, includes the casing, casing bottom fixedly connected with plectane, first spout has been seted up to the plectane bottom, first spout quantity is provided with two, two inside first fly leaf that all has sliding connection of first spout, the plectane bottom is provided with the accessory plate, first thread groove has all been seted up to accessory plate outer wall both sides, first thread inslot portion is provided with first screw rod, first screw rod outside is provided with the stripper plate, first screw rod one end fixedly connected with bearing frame, bearing frame and first fly leaf fixed connection, first fly leaf one end is provided with splint, splint quantity is provided with two, two be provided with the connecting pipe between the splint, splint and the connecting pipe closely laminates, the through-hole has been seted up at the plectane top.
Preferably, the circular plate is fixedly connected with an auxiliary plate, and the cross section of the auxiliary plate is in a circular ring shape.
Preferably, the first thread groove is matched with a first screw rod, the first screw rod is welded with the extrusion plate, and the first screw rod is perpendicular to the first movable plate.
Preferably, the first movable plate is rotatably connected with the first screw through a bearing seat, the first movable plate is fixedly connected with the clamping plate, and the cross section of the clamping plate is semicircular.
Preferably, the cross-sectional shape of the through hole is circular, the inside of the through hole is slidably connected with a protective cover, and the extrusion plate is tightly attached to the protective cover.
Preferably, the outer surface of the protective cover is provided with a plurality of air holes, one end of each air hole is provided with a limiting groove, the limiting groove is connected with a positioning plate in a sliding mode, a limiting spring is fixedly connected between the protective cover and the positioning plate, and the limiting springs are arranged in a plurality.
Preferably, a working groove is formed in one side of the shell, a transverse pipe is connected to the inside of the working groove in a threaded mode, a round hole is formed in the outer wall of the protective cover, and the round hole is connected with the transverse pipe in a sliding mode.
In the technical scheme, the utility model provides a technological effect and advantage:
through connecting pipe installation casing, rotate first screw rod through first thread groove simultaneously, place the protection casing through the through-hole simultaneously, make first screw rod drive stripper plate and protection casing laminating, thereby convenience of customers fixes the position of protection casing, first screw rod drives the bearing frame simultaneously, the bearing frame drives first fly leaf, first fly leaf slides in first spout is inside, first fly leaf drives splint simultaneously, splint and connecting pipe laminating, make explosion-proof flow switch installation more stable, drive spacing spring through the protection casing simultaneously, spacing spring drives the locating plate, locating plate and spacing groove cooperation, the barrier propterty of device has been improved, violently manage through the work groove installation, violently manage and the round hole cooperation, convenience of customers dismouting is violently managed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the protective cover of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of the positioning plate of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the splint of the present invention.
Description of reference numerals:
1. a housing; 2. a circular plate; 3. a first chute; 4. a first movable plate; 5. an auxiliary plate; 6. a first thread groove; 7. a first screw; 8. a pressing plate; 9. a bearing seat; 10. a splint; 11. a connecting pipe; 12. a through hole; 13. a protective cover; 14. air holes are formed; 15. a limiting groove; 16. positioning a plate; 17. a working groove; 18. a transverse tube; 19. a circular hole.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides an FR12B type explosion-proof flow switch as shown in figures 1-4, which comprises a shell 1, wherein a circular plate 2 is fixedly connected to the bottom of the shell 1, a first chute 3 is arranged at the bottom of the circular plate 2, the number of the first chutes 3 is two, a first movable plate 4 is slidably connected to the inside of two first chutes 3, an auxiliary plate 5 is arranged at the bottom of the circular plate 2, first thread grooves 6 are arranged on both sides of the outer wall of the auxiliary plate 5, a first screw 7 is arranged in each first thread groove 6, a pressing plate 8 is arranged outside each first screw 7, a bearing seat 9 is fixedly connected to one end of each first screw 7, the bearing seat 9 is fixedly connected with the first movable plate 4, a clamping plate 10 is arranged at one end of the first movable plate 4, the number of the clamping plates 10 is two, and a connecting pipe 11 is arranged between two clamping plates 10, the clamping plate 10 is tightly attached to the connecting pipe 11, and the top of the circular plate 2 is provided with a through hole 12.
Further, in the above technical solution, the circular plate 2 is fixedly connected to the auxiliary plate 5, the cross-sectional shape of the auxiliary plate 5 is a circular ring, and the auxiliary plate 5 is driven by the circular plate 2, so that a user can fix the connecting pipe 11 conveniently.
Further, in the above technical solution, the first thread groove 6 is matched with the first screw 7, the first screw 7 is welded to the extrusion plate 8, the first screw 7 is perpendicular to the first movable plate 4, and the first thread groove 6 is matched with the first screw 7, so as to drive the first movable plate 4 to move.
Further, in the above technical solution, the first movable plate 4 is rotatably connected with the first screw 7 through a bearing seat 9, the first movable plate 4 is fixedly connected with a clamp plate 10, the cross section of the clamp plate 10 is semicircular, and the clamp plate 10 is driven by the first movable plate 4, so that the housing 1 is further convenient to mount.
Further, in the above technical scheme, the cross-sectional shape of the through hole 12 is set to be a circular ring shape, the protective cover 13 is slidably connected inside the through hole 12, the extrusion plate 8 is tightly attached to the protective cover 13, and the protective cover 13 is installed through the through hole 12, so that the protective performance of the device is improved.
Further, in the above technical scheme, bleeder vent 14 has been seted up to the protection casing 13 surface, bleeder vent 14 quantity is provided with a plurality ofly, spacing groove 15 has been seted up to bleeder vent 14 one end, limiting groove 15 inside sliding connection has locating plate 16, fixedly connected with spacing spring between protection casing 13 and the locating plate 16, spacing spring quantity is provided with a plurality ofly, drives spacing spring through spacing groove 15, and spacing spring and locating plate 16 cooperation are convenient for stably install casing 1.
Further, in the above technical solution, a working groove 17 is formed in one side of the housing 1, a horizontal pipe 18 is connected to the inside of the working groove 17 through a thread, a circular hole 19 is formed in the outer wall of the protective cover 13, and the circular hole 19 is slidably connected with the horizontal pipe 18, so that a user can conveniently connect the external horizontal pipe 18.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, when the device is used, the shell 1 can be installed through the connecting pipe 11, the first screw 7 is rotated through the first thread groove 6, the protective cover 13 is placed through the through hole 12, the first screw 7 drives the extrusion plate 8 to be attached to the protective cover 13, so that a user can fix the position of the protective cover 13 conveniently, the first screw 7 drives the bearing seat 9, the bearing seat 9 drives the first movable plate 4, the first movable plate 4 slides in the first sliding groove 3, the first movable plate 4 drives the clamping plate 10, the clamping plate 10 is attached to the connecting pipe 11, the explosion-proof flow switch is installed more stably, the protective cover 13 drives the limiting spring, the limiting spring drives the positioning plate 16, the positioning plate 16 is matched with the limiting groove 15, the protective performance of the device is improved, the transverse pipe 18 is installed through the working groove 17, the transverse pipe 18 is matched with the round hole 19, it is convenient for the user to disassemble and assemble the cross tube 18.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. An FR12B type explosion-proof flow switch comprises a shell (1), wherein a circular plate (2) is fixedly connected to the bottom of the shell (1), first sliding grooves (3) are formed in the bottom of the circular plate (2), two first sliding grooves (3) are formed in the number, a first movable plate (4) is connected to the inner portions of the two first sliding grooves (3) in a sliding mode, an auxiliary plate (5) is arranged at the bottom of the circular plate (2), first threaded grooves (6) are formed in two sides of the outer wall of the auxiliary plate (5), first threaded rods (7) are arranged in the first threaded grooves (6), extrusion plates (8) are arranged on the outer portions of the first threaded rods (7), a bearing seat (9) is fixedly connected to one end of each first threaded rod (7), the bearing seat (9) is fixedly connected with the first movable plate (4), a clamping plate (10) is arranged at one end of the first movable plate (4), splint (10) quantity is provided with two, two be provided with connecting pipe (11) between splint (10), splint (10) and connecting pipe (11) closely laminate, through-hole (12) have been seted up at plectane (2) top.
2. An explosion-proof flow switch of the FR12B type according to claim 1, characterized in that: the circular plate (2) is fixedly connected with an auxiliary plate (5), and the cross section of the auxiliary plate (5) is annular.
3. An explosion-proof flow switch of the FR12B type according to claim 1, characterized in that: the first thread groove (6) is matched with a first screw rod (7), the first screw rod (7) is welded with the extrusion plate (8), and the first screw rod (7) is perpendicular to the first movable plate (4).
4. An explosion-proof flow switch of the FR12B type according to claim 1, characterized in that: the first movable plate (4) is rotatably connected with the first screw rod (7) through a bearing seat (9), the first movable plate (4) is fixedly connected with a clamping plate (10), and the section of the clamping plate (10) is semicircular.
5. An explosion-proof flow switch of the FR12B type according to claim 1, characterized in that: the cross-sectional shape of the through hole (12) is set to be a circular ring shape, the inside of the through hole (12) is connected with a protective cover (13) in a sliding mode, and the extrusion plate (8) is tightly attached to the protective cover (13).
6. An explosion-proof flow switch of the FR12B type according to claim 5, characterized in that: bleeder vent (14) have been seted up to protection casing (13) surface, bleeder vent (14) quantity is provided with a plurality ofly, spacing groove (15) have been seted up to bleeder vent (14) one end, spacing groove (15) inside sliding connection has locating plate (16), fixedly connected with spacing spring between protection casing (13) and locating plate (16), spacing spring quantity is provided with a plurality ofly.
7. An explosion-proof flow switch of the FR12B type according to claim 5, characterized in that: the protective cover is characterized in that a working groove (17) is formed in one side of the shell (1), a transverse pipe (18) is connected to the inner portion of the working groove (17) in a threaded mode, a round hole (19) is formed in the outer wall of the protective cover (13), and the round hole (19) is connected with the transverse pipe (18) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584261.8U CN214705799U (en) | 2021-03-23 | 2021-03-23 | FR12B type explosion-proof flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584261.8U CN214705799U (en) | 2021-03-23 | 2021-03-23 | FR12B type explosion-proof flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214705799U true CN214705799U (en) | 2021-11-12 |
Family
ID=78526530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584261.8U Expired - Fee Related CN214705799U (en) | 2021-03-23 | 2021-03-23 | FR12B type explosion-proof flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214705799U (en) |
-
2021
- 2021-03-23 CN CN202120584261.8U patent/CN214705799U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |