CN212843851U - Train water level sensor with built-in waterproof structure - Google Patents
Train water level sensor with built-in waterproof structure Download PDFInfo
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- CN212843851U CN212843851U CN202022276338.3U CN202022276338U CN212843851U CN 212843851 U CN212843851 U CN 212843851U CN 202022276338 U CN202022276338 U CN 202022276338U CN 212843851 U CN212843851 U CN 212843851U
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- sealing ring
- sealing
- level sensor
- side wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 96
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a water level sensor correlation technique field, in particular to a train water level sensor with a built-in waterproof structure, which comprises an outer shell and an installation rod arranged inside the outer shell, wherein the outer shell is of a round tube structure, the position of a rear port of a tube body is sealed by a waterproof film, a first notch is arranged on the inner side wall of the front end of the inner cavity of the outer shell, a second notch is arranged on the bottom surface of the first notch, a support plate is arranged on the bottom surface of the notch of the second notch, the support plate is an annular plate, and a first internal thread is arranged on the side wall of the second notch; first notch and second notch have been seted up on the lumen inside wall through the shell body at level sensor to through install the sealing member in its notch, and will be used for carrying out the installation pole setting of installing to electrical component among the sealing member, and carry out sealing process through first sealing ring and second sealing ring, thereby guarantee that its junction position can guarantee its effective leakproofness after the installation is dismantled again.
Description
Technical Field
The utility model relates to a level sensor correlation technique field specifically is a train level sensor of built-in waterproof construction.
Background
The water level sensor is an instrument capable of converting water level parameters of a measured point into corresponding electric quantity signals in real time. The working principle is as follows: a water level sensor in the container transmits sensed water level signals to a controller, a computer in the controller compares the actually measured water level signals with set signals to obtain deviation, and then sends 'on' and 'off' instructions to a water supply electric valve according to the nature of the deviation to ensure that the container reaches the set water level; water level sensor in traditional train water tank is because its installation interface position structure is comparatively simple, and it is dismantling the maintenance after installing again, and the leakproofness descends appears very easily in its junction to the waterproof performance that leads to its sensor body descends, thereby can leave certain potential safety hazard when leading to its actual use, for this, the utility model provides a train water level sensor of built-in waterproof construction is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a train level sensor of built-in waterproof construction to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a train water level sensor with a built-in waterproof structure comprises an outer shell and an installation rod arranged inside the outer shell, wherein the outer shell is of a round pipe structure, the position of a rear port of a pipe body of the outer shell is sealed through a waterproof film, a first notch is formed in the inner side wall of the front end of the inner cavity of the outer shell, a second notch is formed in the bottom surface of the first notch, a supporting plate is arranged on the bottom surface of the notch of the second notch, the supporting plate is an annular plate, a first internal thread is formed in the side wall of the second notch, a sealing element is arranged in the cavity of the first notch, two ends of the sealing element are of a cylindrical tubular structure, the middle part of the sealing element is of a horn-shaped tubular structure, a second external thread and a first external thread are respectively formed in the outer side walls of a front end cylinder and a rear end cylinder of the sealing element, the installation rod is positioned in a pipe cavity of the sealing, and a second sealing ring is arranged between the outer side wall of the front end pipe cavity and the side wall of the second notch, a positioning nut is screwed on the second external thread, the front end of the mounting rod is connected with a lead, and the rear side surface of the mounting rod is fixedly provided with a piezoresistor.
Preferably, the first external thread is matched with the first internal thread, and the sealing element is fixedly screwed on the first internal thread through the first external thread on the sealing element.
Preferably, first sealing ring and second sealing ring are annular rubber seal, and their cross-section both all is right trapezoid, and the ring body inclined plane between them laminates the inside wall of sealing member middle-end part respectively, and the lateral wall sets up, and the second sealing ring passes through set nut location to be fixed on the sealing member.
Preferably, the rear end of the rod body of the mounting rod is composed of two pipe body structures with semicircular sections, the two pipe body structures are clamped and mounted through a clamping structure, the electric element of the device is arranged in the pipe cavity between the two pipe bodies, and the pipe body part is positioned at the rear end of the first sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the first notch and the second notch are formed in the inner side wall of the tube cavity of the outer shell of the water level sensor, the sealing element is installed in the notch, the installation rod for installing the electric element is arranged in the sealing element, and sealing treatment is carried out through the first sealing ring and the second sealing ring, so that effective sealing performance of the connection position can be guaranteed after the connection position is installed and detached again;
2. and all set right trapezoid to through the cross-section with first sealing ring and second sealing ring to the extrusion force that forms when installing through sealing member and set nut lets first sealing ring, second sealing ring form extrusion deformation, thereby further guarantees the sealed effect of its junction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the inner cavity of the outer casing of the present invention;
fig. 5 is a schematic view of the sealing member of the present invention.
In the figure: the sealing device comprises an outer shell 1, a mounting rod 2, a waterproof membrane 3, a first notch 4, a second notch 5, a lead 6, a supporting plate 7, a first internal thread 8, a sealing element 9, a first external thread 10, a second external thread 11, a first sealing ring 12, a second sealing ring 13, a piezoresistor 14 and a positioning nut 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a train water level sensor with a built-in waterproof structure comprises an outer shell 1 and an installation rod 2 arranged inside the outer shell 1, wherein the outer shell 1 is of a circular tube structure, the position of a rear port of a tube body is sealed through a waterproof film 3, a first notch 4 is formed in the inner side wall of the front end of an inner cavity of the outer shell 1, a second notch 5 is formed in the bottom surface of the first notch 4, a support plate 7 is arranged on the bottom surface of a notch of the second notch 5, the support plate 7 is an annular plate, a first internal thread 8 is formed in the side wall of the second notch 5, a sealing element 9 is arranged in the cavity of the first notch 4, two ends of the sealing element 9 are of a cylindrical tubular structure, the middle part of the sealing element is of a horn-shaped tubular structure, a second external thread 11 and a first external thread 10 are respectively formed in the outer side walls of a front end cylinder and a rear end cylinder of the sealing, and a first sealing ring 12 is arranged between the inner side wall of the pipe cavity at the rear end of the mounting rod 2, a second sealing ring 13 is arranged between the outer side wall of the pipe cavity at the front end of the mounting rod and the side wall of the second notch 5, a positioning nut 15 is screwed on the second external thread 11, the front end of the mounting rod 2 is connected with a wire 6, a piezoresistor 14 is fixedly mounted on the rear side surface of the mounting rod 2, a first notch 4 and a second notch 5 are formed in the inner side wall of the pipe cavity of the outer shell 1 of the water level sensor, a sealing element 9 is mounted in the notch of the water level sensor, the mounting rod 2 for mounting an electrical element is arranged in the sealing element 9, and sealing treatment is carried out through the first sealing ring 12 and the second sealing ring 13, so that the effective sealing performance of the water level sensor can be ensured after the connection position is.
Further, the first external thread 10 is matched with the first internal thread 8, and the sealing element 9 is fixedly screwed on the first internal thread 8 through the first external thread 10 thereon;
furthermore, the first sealing ring 12 and the second sealing ring 13 are both annular rubber sealing elements, the cross sections of the first sealing ring 12 and the second sealing ring 13 are both in a right trapezoid shape, the inclined planes of the ring bodies of the first sealing ring 12 and the second sealing ring 13 are respectively attached to the inner side wall and the outer side wall of the middle end part of the sealing element 9 for arrangement, the second sealing ring 13 is fixedly positioned on the sealing element 9 through the positioning nut 15, and the cross sections of the first sealing ring 12 and the second sealing ring 13 are both in a right trapezoid shape, so that the first sealing ring 12 and the second sealing ring 13 are extruded and deformed through extrusion force formed when the sealing element 9 and the positioning nut 15 are installed, and the sealing effect of the joint of the;
furthermore, the rear end part of the rod body of the installation rod 2 is composed of two pipe body structures with semicircular sections, the two pipe body structures are clamped and installed through a buckling structure, an electric element of the device is arranged in a pipe cavity between the two pipe bodies, and the pipe body part is positioned at the rear end side of the first sealing ring 12;
the working principle is as follows: in practical use, a worker firstly sleeves the sealing element 9 on the mounting rod 2, and ensures that the first external thread 10 on the sealing element 9 is arranged towards one end of the piezoresistor 14, then sleeves the first sealing ring 12 into a gap between the sealing element 9 and the mounting rod 2, sleeves the second sealing ring 13 on the mounting rod 2, ensures that the inclined surfaces of the first sealing ring 12 and the second sealing ring 13 are respectively attached to the inner side wall and the outer side wall of the trumpet-shaped part pipe body at the middle end of the sealing element 9, sleeves the mounting rod 2 and the sealing element 9 into the inner cavity of the outer shell 1, clamps the front side end of the sealing element 9 by using a sharp mouth, then fixes and screws the sealing element 9 on the first internal thread 8 on the side wall of the cavity through the first external thread 10 on the sealing element, and extrudes and deforms the first sealing ring 12 due to the support plate 7 in the screwing process, thereby guarantee the inboard leakproofness of sealing member 9, on the second external screw thread 11 on sealing member 9 is screwed up to rethread set nut 15 next, thereby produce extrusion deformation to second sealing ring 13 through set nut 15, thereby guarantee the outside leakproofness of sealing member 9, then install among the water level sensor the water tank, thereby let piezoresistor 14 carry out the atress under hydraulic effect, thereby it can to pass through signal processing module with water pressure signal conversion electric signal output.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a train level sensor of built-in waterproof construction, includes shell body (1) and sets up at inside installation pole (2) of shell body (1), its characterized in that: the outer shell (1) is of a round pipe structure, the position of a rear port of the pipe body is sealed through a waterproof film (3), a first notch (4) is formed in the inner side wall of the front end of the inner cavity of the outer shell (1), a second notch (5) is formed in the bottom surface of the first notch (4), a supporting plate (7) is arranged on the bottom surface of the notch of the second notch (5), the supporting plate (7) is an annular plate, a first internal thread (8) is formed in the side wall of the second notch (5), a sealing element (9) is arranged in the cavity of the first notch (4), two ends of the sealing element (9) are of a cylindrical tubular structure, the middle part of the sealing element is of a horn-shaped tubular structure, a second external thread (11) and a first external thread (10) are respectively formed in the outer side walls of a front end cylinder and a rear end of the sealing element, and the mounting rod (2) is arranged in a pipe cavity, and a first sealing ring (12) is arranged between the inner side wall of the pipe cavity at the rear end of the mounting rod (2), a second sealing ring (13) is arranged between the outer side wall of the pipe cavity at the front end of the mounting rod and the side wall of the second notch (5), a positioning nut (15) is screwed on the second external thread (11), the front end of the mounting rod (2) is connected with a lead (6), and the rear side surface of the mounting rod (2) is fixedly provided with a piezoresistor (14).
2. The train water level sensor with a built-in waterproof structure as claimed in claim 1, wherein: the first external thread (10) is matched with the first internal thread (8), and the sealing element (9) is fixedly screwed on the first internal thread (8) through the first external thread (10) on the sealing element.
3. The train water level sensor with a built-in waterproof structure as claimed in claim 1, wherein: first sealing ring (12) and second sealing ring (13) are annular rubber seal, and the cross-section between them all is right trapezoid, and its ring body inclined plane between them laminate sealing member (9) middle-end part's inside wall respectively, and the lateral wall sets up, and second sealing ring (13) fix a position through set nut (15) and fix a position on sealing member (9).
4. The train water level sensor with a built-in waterproof structure as claimed in claim 1, wherein: the rear end part of the rod body of the mounting rod (2) is composed of two pipe body structures with semicircular sections, the two pipe body structures are clamped and mounted through a buckle structure, an electric element of the device is arranged in a pipe cavity between the two pipe bodies, and the pipe body part is positioned at the rear end of the first sealing ring (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022276338.3U CN212843851U (en) | 2020-10-14 | 2020-10-14 | Train water level sensor with built-in waterproof structure |
Applications Claiming Priority (1)
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CN202022276338.3U CN212843851U (en) | 2020-10-14 | 2020-10-14 | Train water level sensor with built-in waterproof structure |
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CN212843851U true CN212843851U (en) | 2021-03-30 |
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CN202022276338.3U Expired - Fee Related CN212843851U (en) | 2020-10-14 | 2020-10-14 | Train water level sensor with built-in waterproof structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113898083A (en) * | 2021-11-25 | 2022-01-07 | 中建八局第二建设有限公司 | FS (cast-in-place concrete) outer formwork cast-in-place concrete composite heat insulation system and construction method |
-
2020
- 2020-10-14 CN CN202022276338.3U patent/CN212843851U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113898083A (en) * | 2021-11-25 | 2022-01-07 | 中建八局第二建设有限公司 | FS (cast-in-place concrete) outer formwork cast-in-place concrete composite heat insulation system and construction method |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |