CN220688017U - Waterproof structure of liquid level sensor - Google Patents

Waterproof structure of liquid level sensor Download PDF

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Publication number
CN220688017U
CN220688017U CN202322108839.4U CN202322108839U CN220688017U CN 220688017 U CN220688017 U CN 220688017U CN 202322108839 U CN202322108839 U CN 202322108839U CN 220688017 U CN220688017 U CN 220688017U
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China
Prior art keywords
level sensor
liquid level
sensor body
fixedly connected
sealing
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CN202322108839.4U
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Chinese (zh)
Inventor
王宝瑞
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Liaoyang Shengxin Instrument Co ltd
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Liaoyang Shengxin Instrument Co ltd
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Abstract

The utility model is applicable to the technical field of waterproof structures, and provides a waterproof structure of a liquid level sensor, which comprises a liquid level sensor body, a cable and a sealing structure, wherein a protective cap is arranged at one end of the surface of the cable and can be detachably arranged at the top end of the liquid level sensor body, and one end of the cable is connected with the liquid level sensor body; the sealing structure comprises a ring plate, wherein the ring plate is fixedly connected to the bottom end of the protective cap, and two second sealing rings are fixedly connected to the lower surface of the ring plate. This liquid level sensor's waterproof construction through installing the helmet behind the top of liquid level sensor body, the crown plate contradicts with the top of liquid level sensor body, increases the area of contact of junction between helmet and the liquid level sensor body for when the liquid level sensor body rocked the skew, more stable between liquid level sensor body and the helmet was difficult for producing the clearance.

Description

Waterproof structure of liquid level sensor
Technical Field
The utility model belongs to the technical field of waterproof structures, and particularly relates to a waterproof structure of a liquid level sensor.
Background
The liquid level sensor is a pressure sensor for measuring liquid level, the static pressure input type liquid level transmitter is based on the principle that the measured liquid static pressure is proportional to the height of the liquid, an isolated diffusion silicon sensitive element or a ceramic capacitance pressure sensitive sensor is adopted to convert the static pressure into an electric signal, and the electric signal is converted into a standard electric signal through temperature compensation and linear correction, so that the liquid level sensor is suitable for liquid level measurement of various media of petrochemical industry, metallurgy, electric power, pharmacy, water supply and drainage, environmental protection and other systems and industries.
The input type liquid level sensor can throw into the sensor body inside liquid when using, and when the inside water velocity of liquid is very fast, can cause to take place to rock the skew between cable and the body on the liquid level sensor to influence the sealed effect of liquid level sensor junction, and then shorten sensor equipment's life.
Disclosure of Invention
The utility model provides a waterproof structure of a liquid level sensor, and aims to solve the problem that when the water flow speed is high, shaking deviation occurs between a cable and a pipe body on the liquid level sensor, and the sealing effect of the joint of the liquid level sensor is affected.
The waterproof structure of the liquid level sensor comprises a liquid level sensor body, a cable and a sealing structure, wherein a protective cap is arranged at one end of the surface of the cable and detachably arranged at the top end of the liquid level sensor body, and one end of the cable is connected with the liquid level sensor body;
the sealing structure comprises a ring plate, the ring plate is fixedly connected to the bottom end of the protective cap, two second sealing rings are fixedly connected to the lower surface of the ring plate, two second sealing grooves matched with the second sealing rings are formed in the top of the liquid level sensor body, a first sealing ring positioned between the two second sealing grooves is fixedly connected to the top of the liquid level sensor body, and a first sealing groove matched with the first sealing ring is formed in the lower surface of the ring plate;
the top of the liquid level sensor body is provided with a clamping plate structure for clamping the cable.
Preferably, the clamping plate structure comprises two supporting plates, the two supporting plates are respectively vertically and fixedly connected to one side and the other side of the top of the liquid level sensor body, a threaded rod is transversely arranged at the top of the supporting plate, and a C-shaped clamping plate is rotatably connected to the inner end of the threaded rod.
Preferably, the top of the liquid level sensor body is vertically and fixedly connected with a connector, the outer surface of the connector is provided with a connecting external thread, and the inner wall surface of the protective cap is provided with a connecting internal thread matched with the connecting external thread.
Preferably, the rubber ring is annularly arranged at the top end of the inner wall of the protective cap, a convex plate is fixedly connected to the top end of the surface of the connector, and a groove matched with the rubber ring is annularly arranged on the surface of the convex plate.
Preferably, the inner wall surface fixedly connected with protection pad of C shape cardboard, the outer end fixedly connected with stem of threaded rod.
Preferably, the surfaces of the protective cap and the annular plate are covered and coated with an anti-corrosion coating.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the waterproof structure of the liquid level sensor, after the protective cap is arranged at the top end of the liquid level sensor body, the annular plate is abutted against the top of the liquid level sensor body, so that the contact area of the joint between the protective cap and the liquid level sensor body is increased, when the liquid level sensor body swings and deflects, the liquid level sensor body and the protective cap are more stable, gaps are not easy to generate, when the annular plate is abutted against the top of the protective cap, the first sealing ring is inserted into the first sealing groove, the two second sealing rings are inserted into the second sealing grooves, and are matched with each other to form the sealing structure, the liquid level sensor body and the protective cap are positioned, the sealing performance of the joint between the liquid level sensor body and the protective cap is improved, the situation that the sealing structure is affected when the liquid level sensor body swings and deflects is prevented, the stability of the liquid level sensor body when the liquid level sensor body is used is improved, the joint between a cable and the liquid level sensor body is prevented from being greatly deflected by clamping and fixing the clamping plate structure, the waterproof effect between the liquid level sensor body and the protective cap is better.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic structural view of a seal structure according to the present utility model;
fig. 3 is an enlarged view of a portion of fig. 2 at a in accordance with the present utility model.
In the figure: 1. a liquid level sensor body; 2. a protective cap; 3. a cable; 4. a ring plate; 5. a first seal ring; 6. a first seal groove; 7. a second seal ring; 8. a second seal groove; 9. connecting external threads; 10. connecting internal threads; 11. a convex plate; 12. a rubber ring; 13. a groove; 14. a connector; 15. a support plate; 16. a threaded rod; 17. a rotating handle; 18. c-shaped clamping plates.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a liquid level sensor's waterproof construction, includes liquid level sensor body 1, cable 3 and seal structure, and the one end on cable 3 surface is provided with helmet 2, and helmet 2 can dismantle to set up in the top of liquid level sensor body 1, and the one end of cable 3 links to each other with liquid level sensor body 1.
The sealing structure comprises a ring plate 4, the ring plate 4 is fixedly connected to the bottom end of the protective cap 2, two second sealing rings 7 are fixedly connected to the lower surface of the ring plate 4, and two second sealing grooves 8 matched with the second sealing rings 7 are formed in the top of the liquid level sensor body 1.
The top of the liquid level sensor body 1 is fixedly connected with a first sealing ring 5 positioned between two second sealing grooves 8, and the lower surface of the annular plate 4 is provided with a first sealing groove 6 matched with the first sealing ring 5; the top of the liquid level sensor body 1 is provided with a clamping plate structure for clamping the cable 3.
Install helmet 2 behind the top of liquid level sensor body 1, the crown plate 4 is contradicted with the top of liquid level sensor body 1, increases the area of contact of junction between helmet 2 and liquid level sensor body 1 for liquid level sensor body 1 rocks when the skew, more stable between liquid level sensor body 1 and the helmet 2 is difficult for producing the clearance.
When the annular plate 4 is in conflict with the top of the protective cap 2, the first sealing ring 5 is inserted into the first sealing groove 6, the two second sealing rings 7 are inserted into the two second sealing grooves 8, and are matched with each other to form a sealing structure, the liquid level sensor body 1 and the protective cap 2 are positioned, so that the tightness of the joint of the liquid level sensor body 1 and the protective cap 2 is improved, the situation that the sealing structure is influenced when the liquid level sensor body 1 swings and deflects is prevented, and the stability of the liquid level sensor body 1 in underwater use is improved.
Further, the clamping plate structure comprises two supporting plates 15, the two supporting plates 15 are vertically and fixedly connected to one side and the other side of the top of the liquid level sensor body 1 respectively, a threaded rod 16 is transversely arranged at the top of the supporting plates 15, and a C-shaped clamping plate 18 is rotatably connected to the inner end of the threaded rod 16.
In this embodiment, after twisting the outer end of the threaded rod 16, the threaded rod 16 moves to drive the two C-shaped clamping plates 18 to approach each other, so that the cable 3 can be clamped and fixed, the large deviation between the connection part between the cable 3 and the liquid level sensor body 1 can be avoided, the waterproof effect between the liquid level sensor body 1 and the protective cap 2 is improved, and the waterproof effect between the liquid level sensor body 1 and the protective cap 2 is better.
Further, the top of the liquid level sensor body 1 is vertically and fixedly connected with a connector 14, the outer surface of the connector 14 is provided with a connecting external thread 9, and the inner wall surface of the protective cap 2 is provided with a connecting internal thread 10 matched with the connecting external thread 9.
In this embodiment, after the cap 2 is twisted and screwed with the connecting external thread 9 through the connecting internal thread 10, the cap 2 and the connector 14 can be connected and fixed, and the cap 2 is further mounted on the top end of the liquid level sensor body 1 for use.
Further, a rubber ring 12 is annularly arranged at the top end of the inner wall of the protective cap 2, a convex plate 11 is fixedly connected to the top end of the surface of the connector 14, and a groove 13 matched with the rubber ring 12 is annularly arranged on the surface of the convex plate 11.
In this embodiment, after the protective cap 2 and the connector 14 are connected and fixed, the rubber ring 12 is embedded into the groove 13, so as to further improve the tightness between the protective cap 2 and the connector 14.
Further, the inner wall surface of the C-shaped clamping plate 18 is fixedly connected with a protection pad, and the outer end of the threaded rod 16 is fixedly connected with a rotating handle 17.
In this embodiment, the knob 17 facilitates the operator to twist the threaded rod 16 to rotate, thereby facilitating the adjustment and control of the position of the C-shaped clamping plate 18.
Furthermore, the surfaces of the protective cap 2 and the annular plate 4 are covered and coated with anti-corrosion coatings.
The working principle and the using flow of the utility model are as follows: after the liquid level sensor is installed, the protective cap 2 is installed on the top end of the liquid level sensor body 1, the annular plate 4 is abutted against the top of the liquid level sensor body 1, the contact area of the joint between the protective cap 2 and the liquid level sensor body 1 is increased, when the liquid level sensor body 1 shakes and deflects, the liquid level sensor body 1 and the protective cap 2 are more stable, gaps are not easy to generate, when the annular plate 4 is abutted against the top of the protective cap 2, the first sealing ring 5 is inserted into the first sealing groove 6, the two second sealing rings 7 are inserted into the second sealing grooves 8, and the two second sealing rings are matched with each other to form a sealing structure, meanwhile, the liquid level sensor body 1 and the protective cap 2 are positioned, so that the tightness of the joint between the liquid level sensor body 1 and the protective cap 2 is improved, the situation that the sealing structure is affected when the liquid level sensor body 1 shakes and deflects is prevented, and the stability of the liquid level sensor body 1 in underwater use is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a liquid level sensor's waterproof construction, includes liquid level sensor body (1), cable (3) and seal structure, its characterized in that: one end of the surface of the cable (3) is provided with a protective cap (2), the protective cap (2) is detachably arranged at the top end of the liquid level sensor body (1), and one end of the cable (3) is connected with the liquid level sensor body (1);
the sealing structure comprises a ring plate (4), the ring plate (4) is fixedly connected to the bottom end of the protective cap (2), two second sealing rings (7) are fixedly connected to the lower surface of the ring plate (4), two second sealing grooves (8) matched with the second sealing rings (7) are formed in the top of the liquid level sensor body (1), a first sealing ring (5) located between the two second sealing grooves (8) is fixedly connected to the top of the liquid level sensor body (1), and a first sealing groove (6) matched with the first sealing ring (5) is formed in the lower surface of the ring plate (4);
the top of the liquid level sensor body (1) is provided with a clamping plate structure for clamping the cable (3).
2. A water-resistant structure of a liquid level sensor as claimed in claim 1, wherein: the clamping plate structure comprises two supporting plates (15), the two supporting plates (15) are respectively and vertically fixedly connected to one side and the other side of the top of the liquid level sensor body (1), a threaded rod (16) is transversely arranged at the top of the supporting plate (15), and a C-shaped clamping plate (18) is rotatably connected to the inner end of the threaded rod (16).
3. A water-resistant structure of a liquid level sensor as claimed in claim 1, wherein: the liquid level sensor is characterized in that a connector (14) is vertically and fixedly connected to the top of the liquid level sensor body (1), a connecting external thread (9) is arranged on the outer surface of the connector (14), and a connecting internal thread (10) matched with the connecting external thread (9) is arranged on the inner wall surface of the protective cap (2).
4. A water resistant construction for a fluid level sensor as claimed in claim 3, wherein: the protective helmet is characterized in that a rubber ring (12) is annularly arranged at the top end of the inner wall of the protective helmet (2), a convex plate (11) is fixedly connected to the top end of the surface of the connector (14), and a groove (13) matched with the rubber ring (12) is annularly arranged on the surface of the convex plate (11).
5. A water-resistant structure of a liquid level sensor as claimed in claim 2, wherein: the inner wall surface of C shape cardboard (18) is fixedly connected with protection pad, the outer end fixedly connected with of threaded rod (16) stem (17).
6. A water-resistant structure of a liquid level sensor as claimed in claim 1, wherein: the surfaces of the protective cap (2) and the annular plate (4) are covered and coated with an anti-corrosion coating.
CN202322108839.4U 2023-08-07 2023-08-07 Waterproof structure of liquid level sensor Active CN220688017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322108839.4U CN220688017U (en) 2023-08-07 2023-08-07 Waterproof structure of liquid level sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322108839.4U CN220688017U (en) 2023-08-07 2023-08-07 Waterproof structure of liquid level sensor

Publications (1)

Publication Number Publication Date
CN220688017U true CN220688017U (en) 2024-03-29

Family

ID=90411781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322108839.4U Active CN220688017U (en) 2023-08-07 2023-08-07 Waterproof structure of liquid level sensor

Country Status (1)

Country Link
CN (1) CN220688017U (en)

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