CN216645493U - Non-contact liquid level sensor fixing device - Google Patents
Non-contact liquid level sensor fixing device Download PDFInfo
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- CN216645493U CN216645493U CN202220169071.4U CN202220169071U CN216645493U CN 216645493 U CN216645493 U CN 216645493U CN 202220169071 U CN202220169071 U CN 202220169071U CN 216645493 U CN216645493 U CN 216645493U
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- level sensor
- liquid level
- contact
- contact liquid
- fixing device
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Abstract
The embodiment of the utility model discloses a non-contact liquid level sensor fixing device, which comprises: fixed knot constructs and is used for the backup pad of being connected with the liquid tank, fixed knot constructs including the set casing, install non-contact level sensor in the set casing, the one end of set casing pass through the rotation axis with the backup pad is connected, the set casing is located one side that the liquid tank was kept away from to the backup pad. The device can realize convenient installation and disassembly of the non-contact liquid level sensor, and can also keep the good sensing function of the non-contact liquid level sensor when the liquid tank is frequently replaced.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a fixing device of a non-contact liquid level sensor.
Background
A level sensor is a pressure sensor that measures the level of a liquid. The static pressure input type liquid level transmitter is based on the principle that the static pressure of a measured liquid is proportional to the height of the liquid, adopts an advanced foreign isolation type diffused silicon sensitive element or a ceramic capacitance pressure sensitive sensor to convert the static pressure into an electric signal, and converts the electric signal into a standard electric signal through temperature compensation and linear correction, wherein the existing liquid level sensor comprises a non-contact liquid level sensor and a contact liquid level sensor.
The mode that present non-contact level sensor's installation was fixed on the liquid case mostly adopts the fastener to fix, and this kind of mode need frequently pull down non-contact level sensor when the liquid case frequently changes appearing, leads to non-contact level sensor's response insensitive easily, and installs and dismantle inconvenient.
Therefore, there is a need for a new device that facilitates the installation and removal of a non-contact level sensor and that maintains the good sensing function of the non-contact level sensor even when the liquid tank is frequently replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fixing device of a non-contact liquid level sensor.
In order to solve the technical problems, the utility model aims to realize the following technical scheme: there is provided a non-contact liquid level sensor fixture, comprising: fixed knot constructs and is used for the backup pad of being connected with the liquid tank, fixed knot constructs including the set casing, install non-contact level sensor in the set casing, the one end of set casing pass through the rotation axis with the backup pad is connected, the set casing is located one side that the liquid tank was kept away from to the backup pad.
The further technical scheme is as follows: the fixed shell is internally provided with a mounting hole, the mounting hole is internally connected with an inner shell, the inner shell is internally provided with the non-contact liquid level sensor, and an elastic part is connected between the inner shell and the bottom of the mounting hole.
The further technical scheme is as follows: the upper end face of the inner shell is downwards concave to form a groove for embedding the non-contact liquid sensor.
The further technical scheme is as follows: the fixed shell is provided with a sliding groove, the outer side wall of the inner shell is provided with a sliding block, and the sliding block is embedded in the sliding groove.
The further technical scheme is as follows: and the outer side wall of the fixed shell is provided with a connecting block, and the connecting block is connected with the rotating shaft.
The further technical scheme is as follows: the supporting plate is provided with a notch, the lower end face of the supporting plate is provided with two connecting plates arranged at two sides of the notch at intervals, and the rotating shaft is connected with the connecting plates.
The further technical scheme is as follows: one side of the supporting plate is provided with a limiting plate.
The further technical scheme is as follows: the supporting plate is provided with a through groove, the through groove is internally provided with a limiting structure, and when the liquid tank is connected with the supporting plate, the limiting structure is abutted to one side, away from the limiting plate, of the liquid tank.
The further technical scheme is as follows: the limiting structure comprises a clamping hook, and the clamping hook is connected with the supporting plate through a torsion spring.
The further technical scheme is as follows: the lower end face of the supporting plate is provided with an installation block, and the installation block is connected with the clamping hook through the torsion spring.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the non-contact liquid level sensor is arranged in the fixing structure through the fixing structure and the supporting plate, one end of the fixing shell is connected with the supporting plate through the rotating shaft, when the supporting plate is pushed along the lower end surface of the liquid tank, the fixing shell rotates around the rotating shaft, so that the fixing shell rotates until the non-contact liquid level sensor contacts the liquid tank, when the liquid tank is dismounted, the non-contact liquid level sensor can be separated from the liquid tank only by rotating the fixing shell to the initial position along the rotating shaft, the non-contact liquid level sensor does not need to be dismounted independently, the non-contact liquid level sensor is convenient to mount and dismount, and the good sensing function of the non-contact liquid level sensor can be maintained when the liquid tank is frequently replaced.
The utility model is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a non-contact liquid level sensor fixing device according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a non-contact liquid level sensor fixing device according to an embodiment of the present invention (including a liquid tank);
fig. 3 is a schematic perspective view of a fixing structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded view of a fixed structure provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic exploded view of a non-contact liquid level sensor holder (including a liquid tank) according to an embodiment of the present invention;
FIG. 6 is a schematic view of an initial position of a non-contact liquid level sensor fixture (including a liquid tank) according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a support plate of a non-contact liquid level sensor fixing device according to an embodiment of the present invention connected to a liquid tank (including the liquid tank);
the labels in the figures illustrate:
10. a support plate; 11. a limiting plate; 12. a connecting plate; 20. a stationary case; 21. connecting blocks; 22. a stopper; 23. a chute; 30. a rotating shaft; 40. a non-contact liquid level sensor; 50. a hook is clamped; 60. a liquid tank; 70. an inner shell; 71. a slider; 80. an elastic member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is a schematic perspective view of a non-contact liquid level sensor fixing device according to an embodiment of the present invention, which can be applied to a liquid tank 60 in a scenario where the liquid tank 60 is in a moving or moving state and the non-contact liquid level sensor 40 is used to accurately detect a state of liquid in the liquid tank.
Referring to fig. 1, 3 and 4, the above-mentioned non-contact liquid level sensor fixing device includes: the fixing structure comprises a fixing shell 20, a non-contact liquid level sensor 40 is installed in the fixing shell 20, and one end of the fixing shell 20 is connected with the supporting plate 10 through a rotating shaft 30.
Specifically, the stationary case 20 is located on a side of the support plate 10 away from the liquid tank 60.
Specifically, when the support plate 10 is not connected to the liquid tank 60, the fixing structure rotates to the lower side of the support plate 10, and one end of the fixing shell 20 tilts and is located above the support plate 10, when the support plate 10 is connected to the liquid tank 60, because the liquid tank 60 is located above the support plate 10, the tilted end of the fixing shell 20 rotates under the action of gravity of the liquid tank 60, so that the whole fixing shell 20 rotates around the rotating shaft 30, the non-contact liquid level sensor 40 is embedded in a specified position of the liquid tank 60, detection of liquid in the liquid tank 60 by the non-contact liquid level sensor 40 is realized, and when the liquid tank 60 needs to be detached, the fixing shell 20 only needs to rotate along the rotating shaft 30 to be separated from the liquid tank 60, so that the support plate 10 can be separated from the liquid tank 60. The non-contact liquid level sensor 40 is easily mounted and dismounted, and the good sensing function of the non-contact liquid level sensor 40 can be maintained even when the liquid tank 60 is frequently replaced.
In one embodiment, referring to fig. 4, the fixing housing 20 is provided with a mounting hole, an inner housing 70 is connected in the mounting hole, the non-contact liquid level sensor 40 is installed in the inner housing 70, and an elastic member 80 is connected between the inner housing 70 and the bottom of the mounting hole.
In this embodiment, the elastic member 80 can make the supporting plate 10 move to a designated position, that is, when the non-contact liquid level sensor 40 reaches the designated position of the liquid tank 60, the inner shell 70 is compressed along the axial direction of the elastic member 80, and the non-contact liquid level sensor 40 is constantly kept in close contact with the bottom of the liquid tank 60 by the amount of compression of the elastic member 80, so as to achieve a good contact effect and smoothly transmit the sensing information to the terminal.
In one embodiment, referring to FIG. 4, the upper end of the inner housing 70 is recessed downward to form a recess into which the non-contact level sensor 40 is inserted.
In one embodiment, referring to fig. 4, the fixed housing 20 is provided with a sliding slot 23, the outer side wall of the inner housing 70 is provided with a sliding block 71, and the sliding block 71 is embedded in the sliding slot 23.
The slide groove 23 and the slider 71 are set to fix the inner case 70 and restrict the vertical movement of the inner case 70.
In an embodiment, referring to fig. 3 and 4, the outer side wall of the fixed casing 20 is provided with a connecting block 21, and the connecting block 21 is connected to the rotating shaft 30.
The middle of the connection block 21 is connected to the rotation shaft 30 such that an end of the connection block 21, which is away from the fixed casing 20, is tilted above the support plate 10 when the support plate 10 is not connected to the liquid tank 60.
In this embodiment, referring to fig. 4, the outer side wall of the fixed casing 20 is further provided with a stopper 22, the stopper 22 is symmetrical to the connecting block 21, when the supporting plate 10 is connected to the liquid tank 60 and the non-contact liquid level sensor 40 reaches a designated position of the liquid tank 60, the stopper 22 rotates to abut against the lower end surface of the supporting plate 10, thereby indicating that the supporting plate 10 moves in place.
In an embodiment, referring to fig. 1, the supporting plate 10 is provided with a notch, two connecting plates 12 are disposed on the lower end surface of the supporting plate 10 and spaced apart from each other at two sides of the notch, and the rotating shaft 30 is connected to the connecting plates 12.
In an embodiment, referring to fig. 1, a limiting plate 11 is disposed on one side of the supporting plate 10. The limiting plate 11 plays a role of moving and limiting.
In an embodiment, referring to fig. 1, the supporting plate 10 is provided with a through groove, and a position-limiting structure is disposed in the through groove, and when the liquid tank 60 is connected to the supporting plate 10, the position-limiting structure abuts against a side of the liquid tank 60 away from the position-limiting plate 11.
In an embodiment, referring to fig. 1, the limiting structure includes a hook 50, and the hook 50 is connected to the supporting plate 10 through a torsion spring.
In an embodiment, referring to fig. 1, the lower end surface of the supporting plate 10 is provided with a mounting block, and the mounting block is connected to the hook 50 through a torsion spring.
In the present embodiment, the elastic member 80 is, but not limited to, a spring.
Specifically, referring to fig. 1 to 7, the liquid tank 60 filled with liquid is pushed forward by the support plate 10, when the support plate 10 contacts the hook 50 on the fixing housing 20, the support plate 10 is pushed forward again, the fixing housing 20, the non-contact liquid level sensor 40, the inner housing 70 and the elastic member 80 rotate upward around the rotating shaft 30, so that the non-contact liquid level sensor 40 contacts the liquid tank 60, the support plate 10 is continuously pushed forward, the support plate 10 is gradually connected with the liquid tank 60 and moves to a designated position, the inner housing 70 is compressed along the axial direction of the elastic member 80, the compression amount of the elastic member 80 is utilized to constantly keep the non-contact liquid level sensor 40 in close contact with the bottom of the liquid tank 60, a good contact effect is achieved, and the sensing information can be smoothly transmitted to the terminal, as shown in fig. 7. When the liquid tank 60 is empty and needs to be replaced, the supporting plate 10 is pulled back out of the liquid tank 60 without liquid, and when the liquid tank 60 is pulled away from the hook 50 of the supporting plate 10, the fixing housing 20, the non-contact liquid level sensor 40, the inner housing 70 and the elastic member 80 rotate downward around the rotating shaft 30 under the action of gravity until returning to the initial position, as shown in fig. 6, and the liquid tank 60 can be removed. The rotation around the rotation shaft 30 and the compression amount of the elastic member 80 are utilized, so that the purposes of frequent replacement of the liquid tank 60 and good transmission of sensing signals can be achieved, the non-contact liquid level sensor 40 can be repeatedly used for a long time after being assembled once, maintenance and maintenance are not needed, the structure is compact, the liquid tank 60 and the non-contact liquid level sensor 40 can be separated from each other and sense, the information transmission is reliable, and the operation is simple.
The non-contact liquid level sensor fixing device comprises a fixing structure and a support plate 10, wherein a non-contact liquid level sensor 40 is installed in the fixing structure, one end of a fixing shell 20 is connected with the support plate 10 through a rotating shaft 30, when the support plate 10 pushes along the lower end face of a liquid tank 60, the fixing shell 20 rotates around the rotating shaft 30, the fixing shell 20 rotates until the non-contact liquid level sensor 40 contacts the liquid tank 60, when the liquid tank 60 is dismounted, the non-contact liquid level sensor 40 can be separated from the liquid tank 60 only by rotating the fixing shell 20 to the initial position along the rotating shaft 30, the non-contact liquid level sensor 40 is not required to be dismounted alone, the non-contact liquid level sensor 40 is convenient to install and dismount, and the good sensing function of the non-contact liquid level sensor 40 can be kept when the liquid tank 60 is frequently replaced.
While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A non-contact level sensor fixture, comprising: fixed knot constructs and is used for the backup pad of being connected with the liquid tank, fixed knot constructs including the set casing, install non-contact level sensor in the set casing, the one end of set casing pass through the rotation axis with the backup pad is connected, the set casing is located one side that the liquid tank was kept away from to the backup pad.
2. The fixing device for the non-contact liquid level sensor according to claim 1, wherein a mounting hole is formed in the fixing shell, an inner shell is connected in the mounting hole, the non-contact liquid level sensor is installed in the inner shell, and an elastic piece is connected between the inner shell and the bottom of the mounting hole.
3. The non-contact liquid level sensor fixing device as claimed in claim 2, wherein the upper end of the inner shell is recessed downward to form a groove into which the non-contact liquid level sensor is inserted.
4. The non-contact liquid level sensor fixing device as claimed in claim 3, wherein a sliding groove is formed on the fixing housing, a sliding block is arranged on the outer side wall of the inner housing, and the sliding block is embedded in the sliding groove.
5. The non-contact liquid level sensor fixing device as claimed in claim 2, wherein a connecting block is arranged on the outer side wall of the fixing shell, and the connecting block is connected with the rotating shaft.
6. The non-contact liquid level sensor fixing device as claimed in claim 1, wherein a notch is formed in the supporting plate, two connecting plates are arranged on the lower end face of the supporting plate at intervals on two sides of the notch, and the rotating shaft is connected with the connecting plates.
7. The non-contact liquid level sensor fixing device as claimed in claim 6, wherein a limiting plate is arranged on one side of the supporting plate.
8. The non-contact liquid level sensor fixing device according to claim 7, wherein the supporting plate is provided with a through groove, a limiting structure is arranged in the through groove, and when the liquid tank is connected with the supporting plate, the limiting structure is abutted against one side of the liquid tank away from the limiting plate.
9. The non-contact liquid level sensor fixing device as claimed in claim 8, wherein the limiting structure comprises a hook, and the hook is connected with the supporting plate through a torsion spring.
10. The non-contact liquid level sensor fixing device according to claim 9, wherein a mounting block is arranged on the lower end face of the supporting plate, and the mounting block is connected with the hook through the torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220169071.4U CN216645493U (en) | 2022-01-21 | 2022-01-21 | Non-contact liquid level sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220169071.4U CN216645493U (en) | 2022-01-21 | 2022-01-21 | Non-contact liquid level sensor fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645493U true CN216645493U (en) | 2022-05-31 |
Family
ID=81729241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220169071.4U Active CN216645493U (en) | 2022-01-21 | 2022-01-21 | Non-contact liquid level sensor fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645493U (en) |
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2022
- 2022-01-21 CN CN202220169071.4U patent/CN216645493U/en active Active
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