CN112178382B - Sealing and locking device for water level sensor and cable connector - Google Patents
Sealing and locking device for water level sensor and cable connector Download PDFInfo
- Publication number
- CN112178382B CN112178382B CN202011028767.7A CN202011028767A CN112178382B CN 112178382 B CN112178382 B CN 112178382B CN 202011028767 A CN202011028767 A CN 202011028767A CN 112178382 B CN112178382 B CN 112178382B
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- sealing
- fixedly connected
- water level
- level sensor
- shell
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000007789 sealing Methods 0.000 title claims abstract description 95
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000002791 soaking Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 208000034699 Vitreous floaters Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention provides a sealing and locking device for a water level sensor and a cable connector, which comprises an installation frame, a heightening mechanism, a driving piece, a sealing shell, the water level sensor, an inflation tube, an upper supporting plate, a rubber sealing ring and a water drain valve, wherein the heightening mechanism is arranged on the installation frame; an outer protective shell is fixedly connected to the surface of the mounting frame; the upper support plate is fixedly connected to the upper end of the mounting frame, and the driving piece is fixedly connected to the upper surface of the upper support plate through a bolt; a driving chain wheel of the height adjusting mechanism is rotatably connected above the upper support plate through a bearing, and a shaft of the driving chain wheel is connected with an output shaft of the driving piece; the driven chain wheel of the height adjusting mechanism is rotatably connected to the lower end of the mounting frame through a bearing; the sealing shell is connected in front of the mounting frame in a sliding manner and is fixedly connected to a conveying chain of the height adjusting mechanism through a bolt; the function of discharging accumulated water is realized, so that the probability of soaking water at the joint position of the connecting wire and the sensor can be reduced, and the working environment of the sensor in water is greatly improved so as to prolong the service life.
Description
Technical Field
The invention belongs to the technical field of water level detection equipment, and particularly relates to a sealing and locking device for a water level sensor and a cable connector.
Background
The water level sensor in the container transmits the sensed water level signal to the controller, the computer in the controller compares the actually measured water level signal with the set signal to obtain the deviation, and then sends the on and off instructions to the water supply electric valve according to the property of the deviation to ensure that the container reaches the set water level.
For example, application No.: the invention discloses a water level sensor which comprises a printed circuit board and a plate-shaped substrate, wherein one end of the substrate is fixedly connected to the side part of a shell, the substrate is perpendicular to the shell, the substrate and the shell are of an integrated structure, the printed circuit board is positioned at the upper part of the substrate, a connecting structure capable of stably positioning the printed circuit board on the substrate is arranged between the printed circuit board and the substrate, a chip capacitor is arranged on the upper side of the printed circuit board, pins are arranged on the printed circuit board, the upper ends of the pins are connected with the printed circuit board, the lower ends of the pins are embedded in the substrate, the upper ends of the pins extend out of the printed circuit board, and the upper ends of the pins are used for being wound with leads of a coil.
Based on the above patent search, and the structure discovery in combination with the prior art, when the water level sensor in the above patent is used in a specific occasion, for example, in an outdoor river or in an environment where flowing water exists, the water level sensor is likely to cause water to enter the position of the detection part and the electric connection line inside the water level sensor due to the large impact force of water flow, so that the service life of the sensor is reduced, and in addition, the sensor is likely to be impacted by floaters on the water surface due to impact, so that the service life of the water level sensor is similarly reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water level sensor and a sealing and locking device of a cable connector, so as to solve the problems that when the water level sensor in the patent is used in a specific occasion, for example, when the water level sensor is used in an outdoor river or in an environment with flowing water, the water flow impact strength is high, the water is easy to enter the position of a detection part and an electric connection line in the water level sensor, the service life of the sensor is shortened, and in addition, floating objects on the water surface are easy to impact the sensor under the impact influence of the impact, and the service life of the water level sensor is also shortened.
The invention relates to a sealing and locking device of a water level sensor and a cable connector, which is achieved by the following specific technical means:
a sealing and locking device for a water level sensor and a cable connector comprises a mounting frame, a heightening mechanism, a sealing shell, the water level sensor, an inflation tube, an upper supporting plate, a rubber sealing ring and a water escape valve; an outer protective shell is fixedly connected to the surface of the mounting frame; the upper support plate is fixedly connected to the upper end of the mounting frame, and the driving piece is fixedly connected to the upper surface of the upper support plate through a bolt; a driving chain wheel of the height adjusting mechanism is rotatably connected above the upper support plate through a bearing, and a shaft of the driving chain wheel is connected with an output shaft of the driving piece; the driven chain wheel of the height adjusting mechanism is rotatably connected to the lower end of the mounting frame through a bearing; the sealing shell is connected in front of the mounting frame in a sliding manner and is fixedly connected to a conveying chain of the height adjusting mechanism through a bolt; the water level sensor is connected to the front surface of the sealing shell through gluing, and the output end of the water level sensor is electrically connected with the sensor cable; the inflation tube is fixedly connected to the shell above the sealing shell; the rubber sealing ring is fixedly connected to the side surface of the water level sensor through gluing; the drain valve is fixedly connected below the inner surface of the sealing shell.
Furthermore, the middle of the mounting frame is of a forward convex folded plate structure, and a side sliding groove is formed in the left side of the convex groove of the mounting frame.
Furthermore, the below fixedly connected with of outer protecting shell is a filter screen, and the place ahead of outer protecting shell has seted up a rectangular observation groove to the right side of observation groove is equipped with the scale mark on the place ahead surface of outer protecting shell, outer protecting shell is the casing that link up from top to bottom.
Furthermore, the height-adjusting mechanism comprises a driving chain wheel and a driven chain wheel, and the height-adjusting mechanism is formed by the engagement and the connection of the driving chain wheel and the driven chain wheel below through a chain.
Furthermore, the sealing shell is a shell with a cuboid upper part and a triangular lower part, a drain hole is formed in the lower part of the sealing shell, a scale with a pointer is fixedly connected to the surface of the front of the sealing shell, a slider of an L-shaped folded plate structure is fixedly connected to the rear of the sealing shell, and two clamping plates are fixedly connected to the rear of the sealing shell.
Furthermore, a water drainage stop block perpendicular to the inclined plane is fixedly connected to the inclined plane at the opening of the water drainage hole.
Furthermore, the sensor cable penetrates through the middle of the connecting pipe fixedly connected to the upper surface of the sealing shell, and a waterproof rubber filler is filled at the joint of the sensor cable and the connecting pipe.
Furthermore, the drain valve comprises a guide plate, a guide rod and a wedge-shaped stopper, one side of the guide plate is fixedly connected to the inner surface of the sealing shell, the guide rod is connected to the inside of the round hole in the guide plate in a sliding mode, the wedge-shaped stopper of the rubber material is fixedly connected to the lower end of the guide rod, the wedge face of the wedge face faces towards the upper right, and the guide plate is connected with the wedge-shaped stopper through a spring.
Compared with the prior art, the invention has the following beneficial effects:
through the sealed shell of this structure and the cooperation of heightening the mechanism, the rear of sealed shell is used through splint cooperation bolt fastener on the surface, connect the middle sprocket of heightening the mechanism on, wherein heightening the mechanism and passing through the chain meshing by drive sprocket and the driven sprocket of below and being connected and form, drive sprocket still drives through the driving piece, realize the chain drive action under the drive of driving piece, simultaneously, drive sealed shell and slide on the mounting bracket, be used for adjusting the height of sealed shell internal sensor, make it application scope more extensive.
Through the cooperation of gas tube and sluicing valve, because water level sensor often arranges the aquatic in, the inside inevitable water that intakes of seal shell, the processing of seal shell below is triangle-shaped, if the inside water of seal shell, ponding can accumulate the bottom at the seal shell, reduce the probability of contact between ponding and the top cable, can prolong the life of sensor, under the normality, because there is the spring on the sluicing valve to compress tightly wedge-shaped check head, make water can't get into from between wedge-shaped check head and the sluicing check block, if there is ponding inside the seal shell, the casing that will seal at this moment rises the back and breaks away from the surface of water, exert atmospheric pressure to the gas tube, make the inside atmospheric pressure of seal shell rise, inside water forces in pressure and pushes away the spring force, can be discharged by the wash port, the function of discharge ponding has been realized.
Through the cooperation of mounting bracket and outer protecting shell, outer protecting shell is the outside of casing form parcel in the place ahead of mounting bracket and seal shell and level sensor, and the upper and lower both ends of outer protecting shell all link up, and consequently outer protecting shell is inside the same with outside atmospheric pressure, and the inside water level of outer protecting shell equals with the outside water level of outer protecting shell equally, and level sensor surveys including and plays water level measurement's effect equally, still can not receive the striking influence of external rivers or other floaters simultaneously, has prolonged level sensor's life.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic bottom structure of the present invention.
Fig. 3 is a schematic view of the structure of the sealing case of the present invention.
Fig. 4 is a schematic view of the bottom structure of the sealed casing of the present invention.
Fig. 5 is a rear structural view of the present invention.
Fig. 6 is a rear structural view of the sealing case of the present invention.
Fig. 7 is a schematic view of the internal structure of the sealing case of the present invention.
Fig. 8 is a partial enlarged view of fig. 7 a of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a mounting frame; 101. a side chute; 2. an outer protective shell; 201. filtering with a screen; 202. an observation tank; 203. scale marking; 3. a height adjusting mechanism; 301. a drive sprocket; 302. a driven sprocket; 4. a drive member; 5. sealing the shell; 501. a scale; 502. a slider; 503. a drain hole; 5031. a water drainage baffle block; 504. a splint; 6. a water level sensor; 7. an inflation tube; 8. a sensor cable; 801. a connecting pipe; 802. waterproof filler; 9. an upper support plate; 10. a rubber seal ring; 11. a water drain valve; 1101. a guide plate; 1102. a guide bar; 1103. a wedge-shaped stopper.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 8:
the invention provides a sealing and locking device for a water level sensor and a cable connector, which comprises a mounting frame 1, a height adjusting mechanism 3, a sealing shell 5, a water level sensor 6, an inflation tube 7, an upper supporting plate 9, a rubber sealing ring 10 and a water drain valve 11, wherein the sealing shell is provided with a sealing surface; an outer protective shell 2 is fixedly connected to the surface of the mounting frame 1; the upper support plate 9 is fixedly connected to the upper end of the mounting frame 1, and the driving piece 4 is fixedly connected to the upper surface of the upper support plate 9 through a bolt; a driving sprocket 301 of the height-adjusting mechanism 3 is rotatably connected above the upper support plate 9 through a bearing, and a shaft of the driving sprocket 301 is connected with an output shaft of the driving member 4; the driven chain wheel 302 of the height-adjusting mechanism 3 is rotatably connected to the lower end of the mounting frame 1 through a bearing; the sealing shell 5 is connected in front of the mounting frame 1 in a sliding manner, and the sealing shell 5 is fixedly connected to a conveying chain of the height adjusting mechanism 3 through bolts; the water level sensor 6 is connected to the front surface of the sealed shell 5 through gluing, the output end of the water level sensor 6 is electrically connected with the sensor cable 8, the sensor cable 8 passes through the middle of the connecting pipe 801 fixedly connected to the upper surface of the sealed shell 5, and the joint of the sensor cable 8 and the connecting pipe 801 is filled with a rubber waterproof filler 802; the inflation tube 7 is fixedly connected to the shell above the sealing shell 5; the rubber sealing ring 10 is fixedly connected to the side surface of the water level sensor 6 through gluing; the drain valve 11 is fixedly attached below the inner surface of the sealing case 5.
Wherein, the middle of the mounting bracket 1 is a front convex folded plate structure, the left side of the convex groove of the mounting bracket 1 is provided with a side sliding groove 101, the mounting bracket 1 of the structure is shown in fig. 4, the lower part of the outer protecting shell 2 is fixedly connected with a filter screen 201, the front part of the outer protecting shell 2 is provided with a rectangular observation groove 202, the right side of the observation groove 202 on the front surface of the outer protecting shell 2 is provided with a scale mark 203, the outer protecting shell 2 is a shell which is through up and down, the outer protecting shell 2 of the structure is shown in fig. 1, the outer protecting shell 2 is wrapped in the front of the mounting bracket 1 and outside the sealing shell 5 and the water level sensor 6 in a shell shape, and the upper end and the lower end of the outer protecting shell 2 are both through, therefore, the inside of the outer protecting shell 2 is the same as the outside atmospheric pressure, the water level inside the outer protecting shell 2 is the same as the outside of the outer protecting shell 2, and the water level sensor 6 also plays a role in water level measurement, meanwhile, the water level sensor is not influenced by the impact of outside water flow or other floating objects, and the service life of the water level sensor 6 is prolonged.
Wherein, the heightening mechanism 3 comprises a driving sprocket 301 and a driven sprocket 302, the heightening mechanism 3 is formed by the engagement and the connection of the driving sprocket 301 and the driven sprocket 302 below through a chain, the sealing shell 5 is a housing with a cuboid upper part and a triangle lower part, a drain hole 503 is arranged below the sealing shell 5, a scale 501 with a pointer is fixedly connected on the front surface of the sealing shell 5, a slide block 502 with an L-shaped folded plate structure is fixedly connected on the rear part of the sealing shell 5, two clamping plates 504 are fixedly connected on the rear part of the sealing shell 5, the heightening mechanism 3 with the structure is shown in figure 3, the clamping plate 504 is matched with a bolt fastener on the rear surface of the sealing shell 5 for use, and is connected with a middle sprocket of the heightening mechanism 3, wherein the heightening mechanism 3 is formed by the engagement and the connection of the driving sprocket 301 and the driven sprocket 302 below through a chain, the driving sprocket 301 is further driven by a driving part 4, the chain transmission action is realized under the driving of the driving piece 4, and meanwhile, the sealing shell 5 is driven to slide on the mounting rack 1, so that the height of the sensor in the sealing shell 5 is adjusted, and the application range of the sensor is wider.
Wherein, the inclined plane of the opening of the water drain hole 503 is fixedly connected with a water drain stopper 5031 vertical to the inclined plane, the water drain valve 11 comprises a guide plate 1101, a guide rod 1102 and a wedge-shaped stopper 1103, one side of the guide plate 1101 is fixedly connected on the inner surface of the sealing shell 5, the guide rod 1102 is slidably connected in a round hole on the guide plate 1101, the lower end of the guide rod 1102 is fixedly connected with the wedge-shaped stopper 1103 of rubber material with a wedge surface facing to the upper right, the guide plate 1101 and the wedge-shaped stopper 1103 are connected by a spring, the water drain valve 11 with the structure is as shown in fig. 8, because the water level sensor 6 is often placed in water, the interior of the sealing shell 5 is difficult to avoid water inflow, the lower part of the sealing shell 5 is processed into a triangle, if water enters the interior of the sealing shell 5, the accumulated water can accumulate at the bottom of the sealing shell 5, the probability of contact between the accumulated water and the upper cable is reduced, the service life of the sensor can be prolonged, and under normal state, because the spring compresses the wedge-shaped stopper 1103 on the water drain valve 11, water cannot enter between the wedge-shaped stopper 1103 and the water discharge stopper 5031, if accumulated water exists in the sealing shell 5, the sealing shell 5 is lifted and separated from the water surface, air pressure is applied to the air inflation tube 7, so that the air pressure in the sealing shell 5 is increased, the water in the sealing shell is forced to be pressed to jack the spring force, and the water can be discharged from the water discharge hole 503, and the function of discharging the accumulated water is realized.
When in use: firstly, the water level sensor 6 is installed on the surface of the sealing shell 5, one side of the detection head faces outwards, then the sealing is carried out through the rubber sealing ring 10, the connecting line of the water level sensor 6 passes through the connecting pipe 801 on the sealing shell 5, then the waterproof filler is added, the sealing performance is improved, the sealing shell 5 is fixedly connected on the heightening mechanism 3 through the clamping plate 504, the sealing shell 5 can be driven by the driving piece 4 to slide on the installation frame 1, the height of the sensor inside the sealing shell 5 is adjusted, the application range is wider, the outer protecting shell 2 is wrapped in the front of the installation frame 1 and outside the sealing shell 5 and the water level sensor 6 in a shell shape, and the upper end and the lower end of the outer protecting shell 2 are communicated, therefore, the inside of the outer protecting shell 2 is the same as the outside atmospheric pressure, the water level inside the outer protecting shell 2 is the same as the outside water level of the outer protecting shell 2, and the water level sensor 6 also plays a role in water level measurement, meanwhile, the water level sensor is not influenced by the impact of external water flow or other floating objects, and the service life of the water level sensor 6 is prolonged; because the water level sensor 6 is often placed in water, water is inevitably fed into the sealing shell 5, the lower part of the sealing shell 5 is processed into a triangle, if water is fed into the sealing shell 5, accumulated water can be accumulated at the bottom of the sealing shell 5, the contact probability between the accumulated water and the upper cable is reduced, the service life of the sensor can be prolonged, under normal state, the water release valve 11 is provided with the spring to press the wedge-shaped stop 1103, water can not enter between the wedge-shaped stop 1103 and the water release stop 5031, if water is accumulated in the sealing shell 5, the sealing shell 5 is lifted and separated from the water surface, the air pressure is applied to the air charging pipe 7, so that the air pressure in the sealing shell 5 is increased, the water in the sealing shell is forced to push the spring force, can be discharged by the drain hole 503, realizes the function of draining accumulated water, thereby reducing the probability of water soaking at the joint position of the connecting wire and the sensor, greatly improving the working environment of the sensor in water and prolonging the service life.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a water level sensor and cable connector's sealed locking device which characterized in that: the device comprises a mounting frame (1), a height adjusting mechanism (3), a sealing shell (5), a water level sensor (6), an inflation tube (7), an upper supporting plate (9), a rubber sealing ring (10) and a water drain valve (11); an outer protective shell (2) is fixedly connected to the surface of the mounting rack (1); the upper support plate (9) is fixedly connected to the upper end of the mounting frame (1), and the driving piece (4) is fixedly connected to the upper surface of the upper support plate (9) through a bolt; a driving chain wheel (301) of the height adjusting mechanism (3) is rotatably connected above the upper support plate (9) through a bearing, and a shaft of the driving chain wheel (301) is connected with an output shaft of the driving piece (4); the driven chain wheel (302) of the height adjusting mechanism (3) is rotatably connected to the lower end of the mounting frame (1) through a bearing; the sealing shell (5) is connected in front of the mounting frame (1) in a sliding manner, and the sealing shell (5) is fixedly connected to a conveying chain of the height adjusting mechanism (3) through bolts; the water level sensor (6) is connected to the front surface of the sealing shell (5) through gluing, and the output end of the water level sensor (6) is electrically connected with the sensor cable (8); the inflation tube (7) is fixedly connected to the upper shell of the sealing shell (5); the rubber sealing ring (10) is fixedly connected to the side surface of the water level sensor (6) through gluing; the drain valve (11) is fixedly connected below the inner surface of the sealing shell (5).
2. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the middle of the mounting rack (1) is of a forward convex folded plate structure, and a side sliding groove (101) is formed in the left side of the convex groove of the mounting rack (1).
3. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the below fixedly connected with of outer protecting casing (2) is filter screen (201) everywhere, and the place ahead of outer protecting casing (2) has seted up the observation groove (202) of a department rectangle to the place ahead of outer protecting casing (2) is equipped with scale mark (203) on the surface the right side of observing groove (202), outer protecting casing (2) is the casing that link up from top to bottom.
4. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the height adjusting mechanism (3) comprises a driving chain wheel (301) and a driven chain wheel (302), and the height adjusting mechanism (3) is formed by meshing and connecting the driving chain wheel (301) and the driven chain wheel (302) below through a chain.
5. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the sealing shell (5) is a shell with a cuboid upper part and a triangular lower part, a drain hole (503) is formed in the lower part of the sealing shell (5), a scale (501) with a pointer is fixedly connected to the surface of the front part of the sealing shell (5), a sliding block (502) of an L-shaped folded plate structure is fixedly connected to the rear part of the sealing shell (5), and two clamping plates (504) are fixedly connected to the rear part of the sealing shell (5).
6. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 5, wherein: a water drainage stop block (5031) vertical to the inclined plane is fixedly connected to the inclined plane at the opening of the water drainage hole (503).
7. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the sensor cable (8) penetrates through the middle of a connecting pipe (801) fixedly connected to the upper surface of the sealing shell (5), and a waterproof rubber filler (802) is filled at the joint of the sensor cable (8) and the connecting pipe (801).
8. The sealing and locking device for the water level sensor and the cable connector as claimed in claim 1, wherein: the drain valve (11) comprises a guide plate (1101), a guide rod (1102) and a wedge-shaped stopper (1103), one side of the guide plate (1101) is fixedly connected to the inner surface of the sealing shell (5), the guide rod (1102) is connected to a round hole in the guide plate (1101) in a sliding mode, the lower end of the guide rod (1102) is fixedly connected with the wedge-shaped stopper (1103) of rubber materials, the wedge face of the wedge-shaped stopper faces towards the upper right, and the guide plate (1101) and the wedge-shaped stopper (1103) are connected through springs.
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| CN202011028767.7A CN112178382B (en) | 2020-09-27 | 2020-09-27 | Sealing and locking device for water level sensor and cable connector |
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| CN202011028767.7A CN112178382B (en) | 2020-09-27 | 2020-09-27 | Sealing and locking device for water level sensor and cable connector |
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| CN112178382B true CN112178382B (en) | 2022-03-04 |
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| CN112178382A (en) | 2021-01-05 |
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