CN221055840U

CN221055840U - Capacitive non-contact liquid level sensor convenient to installation

Info

Publication number: CN221055840U
Application number: CN202323191184.8U
Authority: CN
Inventors: 严江荣; 颜天宝
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-05-31
Anticipated expiration: 2033-11-24

Abstract

The utility model relates to the technical field of liquid level sensors, and particularly discloses a capacitive non-contact liquid level sensor convenient to install, which comprises a water tank, wherein an installation shell is fixedly arranged at the lower end of the front surface of the water tank, and sliding rails are fixedly arranged at two sides of the installation shell; the liquid level sensor body is convenient to disassemble and assemble rapidly, the liquid level sensor body can be disassembled rapidly without tools such as a screwdriver in the use process, the spring clamping design is adopted during installation, screw rust and sliding wires can be avoided, the whole structure is compact after the installation is finished, and the subsequent use and maintenance are convenient.

Description

Capacitive non-contact liquid level sensor convenient to installation

Technical Field

The utility model relates to the technical field of liquid level sensors, in particular to a capacitive non-contact liquid level sensor convenient to install.

Background

A non-contact level sensor is a sensor that is capable of measuring the level of a liquid or solid material without touching the material. Such sensors typically use acoustic wave, microwave, infrared or laser technology to achieve non-contact level measurement. They can be used in different industrial applications, for example in the fields of chemical industry, food processing, water treatment and environmental monitoring, etc., and the non-contact liquid level sensor has various advantages, including no corrosion or pollution of materials, no influence of temperature change, wide measuring range, high accuracy, etc. These advantages make non-contact level sensors the preferred level measurement solution in many applications.

The capacitive liquid level sensor is generally stuck and fixed through gluing when being installed on the water tank, and the condition that the live time is too long probably takes place to drop has influenced the normal clear of measurement work, and also some capacitive liquid level sensor installs and dismantles the work through screw or bolt, need use screwdriver or other instrument to install and dismantle the work of screw in a plurality of positions when installing or dismantling for the operation of installing and dismantling capacitive liquid level sensor is comparatively troublesome.

Chinese patent with publication number of CN218496209U discloses a capacitive non-contact liquid level sensor, which comprises a water tank, one side fixedly connected with installation casing of water tank, the inside joint of installation casing has the liquid level sensor body, the equal fixedly connected with of the both sides that the liquid level sensor body is symmetrical is first locating plate, two first locating jack has all been seted up to one side of first locating plate, first constant head tank has been seted up to one side of installation casing. The utility model has the advantages that: through installation casing, liquid level sensor body, first locating plate, first positioning jack, first constant head tank, lead screw, knob, U-shaped remove the cooperation setting of frame and location inserted bar for installation and dismantlement the operation of liquid level sensor body is comparatively simple and convenient, need not with the help of external tool, installation and dismantlement that can be quick the liquid level sensor body, thereby has improved installation and dismantlement the efficiency of liquid level sensor body.

The sensor is installed mainly by means of the screw rod for auxiliary installation, the sensor is installed by means of screw thread connection basically, certain inconvenience exists in the whole use process, firstly, after screw thread installation, screw threads are easy to rust or are blocked by dust for a long time, the screw rod is difficult to twist or cannot twist, meanwhile, the phenomenon that sliding threads are easy to occur due to screw thread rust deformation and falling of the outer surface of the screw rod after long time use is also caused, and because the liquid level sensor is located near a water container, the environment is very easy to be in a wet state, the sensor is easy to rust, and therefore the sensor is inconvenient to install and use to a certain degree, and improvement is needed.

To this end, we propose a capacitive non-contact level sensor that facilitates installation to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a capacitive non-contact liquid level sensor convenient to install, so as to solve the problem that the existing liquid level sensor is very complicated and inconvenient to assemble and disassemble after being installed and used for a long time in the background art.

In order to achieve the above purpose, the utility model provides a capacitive non-contact liquid level sensor convenient to install, which comprises a water tank, wherein an installation shell is fixedly arranged at the lower end of the front surface of the water tank, sliding rails are fixedly arranged at both sides of the installation shell, an installation block is slidably connected to the inner side of the sliding rails, a limit shell is fixedly arranged at the inner side of the installation block, a liquid level sensor body is inserted into the inner side of the limit shell, square grooves are formed in the top and the bottom of the installation shell, the top and the bottom of the liquid level sensor body penetrate through the limit shell and the square grooves, buffer assemblies are fixedly arranged at the front surface and the back surface of the liquid level sensor body, and a limit clamping mechanism is fixedly arranged at the front surface of the limit shell.

In further embodiments, the spacing clamping mechanism comprises a side rail, side rail fixed mounting is in the positive both sides of spacing shell, the equal fixed mounting in inboard both sides of side rail has spacing spring, spacing spring's outside fixed mounting has spacing, the outer end of spacing runs through the slide rail and pegs graft in the top and the bottom of installation piece, sets up spacing clamping mechanism, and through spacing spring reset conflict spacing removal joint slide rail, but quick joint fixed mounting piece, convenient quick installation is used.

In further embodiments, spacing clamping mechanism still includes the linkage subassembly, the inboard fixed mounting of frame of bending has the gangbar, the inboard of gangbar is connected with the surface laminating of linkage subassembly, fixed connection sets up the linkage subassembly between the inboard of gangbar, can promote the use, utilizes adjusting the linkage subassembly to contradict extrusion linkage subassembly, can promote the linkage subassembly to contradict the spacing outward movement, the quick assembly disassembly of being convenient for uses.

In a further embodiment, the tank body has been seted up at the top of water tank, the top fixed mounting of tank body has the connecting pipe, the top fixed mounting of connecting pipe has screwed joint, adopts the design that sets up connecting pipe cooperation helicitic texture, can connect external pipe with the water tank, facilitate the use.

In further embodiments, the spacing includes slider and draw-in groove, slider fixed mounting is in limit spring's outer end, slider sliding connection is in the inboard of curb rail, the outer end of slider runs through curb rail fixed mounting and has the frame of bending, the inboard fixed mounting of outer end of frame of bending has the fixture block, the draw-in groove is seted up in the top and the bottom of slide rail and slider, the draw-in groove runs through the slide rail, the fixture block runs through the draw-in groove on the slide rail and pegs graft in the draw-in groove inboard of slider top and bottom, the side shape of fixture block is right trapezoid, sets up the spacing, can utilize limit spring to contradict the slider at the inboard slip of curb rail, and the frame activity of bending is passed through to drive the fixture block and is inserted the draw-in groove inboard, and convenient stable joint installation piece is convenient for install this level sensor and use.

In further embodiments, the inboard of installation piece and slide rail all sets up to protruding font, the equal fixedly connected with wear pad of surface of installation piece and the inner wall of slide rail sets up the installation piece and the slide rail inner wall of protruding font, can improve installation piece at the inboard sliding stability of slide rail, sets up wear pad and can improve antifriction ability, improves life.

In further embodiments, the linkage assembly includes the elliptic plate, the elliptic plate rotates to be connected in the front of spacing shell, the top and the bottom of elliptic plate are laminated with the bottom of gangbar and are connected, set up the elliptic plate, can be in the use, utilize to adjust to rotate the elliptic plate and contradict the gangbar, make the gangbar conflict bend the frame and move the activity outward for the fixture block leaves the draw-in groove, and then alright this level sensor body of supplementary quick assembly disassembly.

In further embodiments, openly fixed mounting of elliptic plate has the regulation Niu Bing, equidistant fixed mounting of surface of adjusting the knob handle has the regulation handrail, sets up the knob handle, can improve the convenience of twisting the elliptic plate, sets up the friction in the outside of adjusting the knob handle of improvement that the knob handle can be further, can quick assembly disassembly use.

In further embodiments, the buffer assembly includes the recess, the recess is seted up in the front and the back of liquid level sensor body, the equal fixed mounting in four corners in inboard of recess has buffer spring, buffer spring's outside fixed mounting has the laminating board, the inboard middle part fixed mounting of laminating board has the attenuator, the inboard of attenuator and the middle part fixed connection in the recess set up the buffer assembly, can promote this device in the use period, contradict the laminating board through buffer spring and laminate in spacing shell and installation shell inner wall, can promote the supplementary buffering shock attenuation of buffer spring, improved the barrier property to the liquid level sensor body, and set up the attenuator, can improve damping buffer property.

Compared with the prior art, the utility model has the beneficial effects that:

Firstly, in the utility model, the installation block and the limit shell are inserted into the sliding rail and the installation shell, the inclined surface of the clamping block guides the thrust force, the thrust force is caused to act on the limit spring, the thrust force expands the limit spring to drive the sliding block to slide outwards, the clamping block contacts the limit spring of the clamping groove to reset and drive the clamping block retracted by the bending frame to be inserted into the clamping groove, so that the installation can be completed.

According to the utility model, the elliptical plate is driven to rotate by twisting the adjusting handrail, the two ends of the elliptical plate are abutted against the linkage rod to drive the bending frame to draw the sliding block to move outwards, the clamping block moves outwards away from the clamping groove, the mounting block and the sliding rail lose the limit, and the liquid level sensor body can be quickly removed from the inner side of the mounting shell, so that the liquid level sensor is integrally convenient to quickly disassemble and assemble, and can be quickly removed without tools such as a screwdriver in the use process.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the mounting and spacing shells of the present utility model;

FIG. 3 is a schematic diagram of the front view of the mounting shell, the limiting shell and the limiting clamping mechanism in the utility model;

FIG. 4 is a schematic view of the rear view of the mounting shell and the limiting shell of the present utility model;

FIG. 5 is a schematic view of the mounting and spacing shells of the present utility model in a disassembled top view;

FIG. 6 is a schematic diagram of a limiting clamping mechanism and a buffering component in the present utility model;

Fig. 7 is a schematic diagram of a split structure of a limiting clamping mechanism and a limiting shell in the utility model.

In the figure: 1. a water tank; 2. a mounting shell; 3. a slide rail; 4. a mounting block; 5. a limit shell; 6. a liquid level sensor body; 7. a square groove; 8. a buffer assembly; 81. a groove; 82. a buffer spring; 83. bonding plates; 84. a damper; 9. a limit clamping mechanism; 91. a side rail; 92. a limit spring; 93. a limiting frame; 931. a slide block; 932. a clamping groove; 933. a bending frame; 934. a linkage rod; 935. a clamping block; 94. a linkage assembly; 941. an elliptical plate; 942. an adjusting knob handle; 943. adjusting the armrest; 10. a tank body; 11. a connecting pipe; 12. a threaded interface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, in the embodiment of the utility model, a capacitive non-contact liquid level sensor convenient to install comprises a water tank 1, wherein an installation shell 2 is fixedly installed at the lower end of the front surface of the water tank 1, sliding rails 3 are fixedly installed at both sides of the installation shell 2, an installation block 4 is slidably connected to the inner side of the sliding rails 3, a limit shell 5 is fixedly installed at the inner side of the installation block 4, a liquid level sensor body 6 is inserted into the inner side of the limit shell 5, square grooves 7 are formed in the top and bottom of the installation shell 2, the top and bottom of the liquid level sensor body 6 penetrate through the limit shell 5 and the square grooves 7, buffer assemblies 8 are fixedly installed at the front surface and the back surface of the liquid level sensor body 6, and a limit clamping mechanism 9 is fixedly installed at the front surface of the limit shell 5.

Referring to fig. 1-2, a tank body 10 is provided at the top of the water tank 1, a connecting pipe 11 is fixedly installed at the top of the tank body 10, a screwed joint 12 is fixedly installed at the top of the connecting pipe 11, and the connecting pipe 11 inside the groove 81 is provided, so that an external water supply pipeline can be connected in an auxiliary manner through the screwed joint 12 during installation, and the device is convenient to use.

Referring to fig. 1-5, the inner sides of the mounting block 4 and the sliding rail 3 are both provided with convex shapes, the outer surface of the mounting block 4 and the inner wall of the sliding rail 3 are both fixedly connected with wear-resistant gaskets, the embedding degree of the mounting block 4 and the sliding block 931 can be improved by arranging the convex-shaped mounting block 4 and the sliding rail 3, and the friction-resistant capability of the sliding rail 3 and the mounting block 4 can be improved by arranging the wear-resistant gaskets, so that the service life can be prolonged.

Referring to fig. 1-7, the limiting clamping mechanism 9 includes a side rail 91, the side rail 91 is fixedly mounted on two sides of the front surface of the limiting shell 5, limiting springs 92 are fixedly mounted on two sides of the inner side of the side rail 91, limiting frames 93 are fixedly mounted on the outer sides of the limiting springs 92, the outer ends of the limiting frames 93 penetrate through the sliding rail 3 to be inserted into the top and the bottom of the mounting block 4, and the limiting clamping mechanism 9 is arranged, so that the device can assist the abutting limiting frames 93 to move outwards through the limiting springs 92 during use, and can be inserted into the inner side of the sliding rail 3 through the outer movement of the limiting frames 93, and can be stably clamped with the mounting block 4.

Referring to fig. 1-7, the limiting frame 93 includes a sliding block 931 and a clamping groove 932, the sliding block 931 is fixedly mounted at an outer end of the limiting spring 92, the sliding block 931 is slidably connected at an inner side of the side rail 91, a bending frame 933 is fixedly mounted at an outer end of the sliding block 931 and penetrates through the side rail 91, a clamping block 935 is fixedly mounted at an inner side of the outer end of the bending frame 933, the clamping groove 932 is formed at the top and bottom of the sliding rail 3 and the sliding block 931, the clamping groove 932 penetrates through the sliding rail 3, the clamping groove 932 penetrating through the sliding rail 935 is spliced at the inner sides of the clamping groove 932 at the top and bottom of the sliding block 931, and the side surface of the clamping block 935 is in a right trapezoid shape.

Referring to fig. 1-7, the limiting clamping mechanism 9 further includes a linkage assembly 94, a linkage rod 934 is fixedly mounted on the inner side of the bending frame 933, the inner side of the linkage rod 934 is in fit connection with the outer surface of the linkage assembly 94, the inner sides of the linkage rod 934 are fixedly connected, and the limiting clamping mechanism 9 is arranged, so that the device can be adjusted to drive the bending frame 933 to move outwards through the linkage rod 934 to enable the clamping block 935 to leave the clamping groove 932 during use, and the device is convenient and quick to assemble and disassemble.

Referring to fig. 1-4 and 7, the linkage assembly 94 includes an elliptical plate 941, the elliptical plate 941 is rotationally connected to the front surface of the limiting shell 5, the top and the bottom of the elliptical plate 941 are connected to the bottom of the linkage rod 934 in a fitting manner, and the linkage assembly 94 is arranged to enable the device to be convenient for quick assembly disassembly and use by twisting the elliptical plate 941 to rotate in the use state.

Referring to fig. 1-4 and 7, an adjusting knob 942 is fixedly mounted on the front surface of an elliptical plate 941, adjusting handrails 943 are fixedly mounted on the outer surface of the adjusting knob 942 at equal intervals, and the adjusting knob 942 is arranged to drive the adjusting knob 942 to rotate by adjusting the adjusting knob 943 during use, so that the elliptical plate 941 can be driven to rotate by utilizing the rotation of the adjusting knob 942, and then an abutting linkage rod 934 can be adjusted, so that the device is convenient to rapidly disassemble and assemble.

Referring to fig. 5-7, the buffer assembly 8 includes a groove 81, the groove 81 is formed on the front and the back of the liquid level sensor body 6, the buffer springs 82 are fixedly mounted at four corners of the inner side of the groove 81, the bonding plates 83 are fixedly mounted on the outer sides of the buffer springs 82, and the buffer assembly 8 is arranged, so that the device can assist the bonding plates 83 to bond the inner sides of the limiting shell 5 and the mounting shell 2 through the buffer springs 82 during use, and can assist the buffering of the sensor body through the buffer springs 82, thereby achieving a better protection buffer effect.

Referring to fig. 5-7, a damper 84 is fixedly mounted in the middle of the inner side of the bonding plate 83, the inner side of the damper 84 is fixedly connected with the middle of the inner side of the groove 81, and damping buffering can be assisted by the damper 84 during use, so that a good buffering effect is achieved.

The working principle of the utility model is as follows: firstly, in the use process of the utility model, firstly, the installation shell 2 is installed on the front surface of the water tank 1, then the liquid level sensor body 6 is placed on the inner side of the installation shell 2, the top and the bottom of the liquid level sensor body 6 penetrate through the square groove 7, after the power is connected, the installation block 4 and the limit shell 5 are inserted into the sliding rail 3 and the installation shell 2, in the insertion process, as the clamping block 935 is in a right trapezoid shape, the inclined surface of the clamping block 935 contacts the inner side of the sliding rail 3, the thrust force is guided through the inclined surface, the thrust force is caused to act on the limit spring 92, the thrust force expands the limit spring 92 to drive the sliding block 931 to slide outwards, when the clamping block 935 contacts the clamping groove 932, the limit spring 92 resets to drive the bending frame 933 to retract, the clamping block 935 is driven to be inserted into the clamping groove 932, the installation block 4 can be limited on the inner side of the sliding rail 3, so that the installation can be completed, when the liquid level sensor is used for a long time and needs maintenance and replacement, the adjusting handle 943 can be twisted to drive the adjusting knob 942 to rotate, the adjusting knob 942 can be utilized to drive the elliptic plate 941 to rotate, because the characteristic of the elliptic plate 941 can be achieved by the two ends of the elliptic plate 941 abutting against the linkage rod 934 to move outwards, the linkage rod 934 can drive the bending frame 933 to draw the sliding block 931 to move outwards, the clamping block 935 at the inner side end part of the bending frame 933 can be driven to leave the clamping groove 932 to move outwards after the sliding block 931 moves outwards, the mounting block 4 and the sliding rail 3 lose the limit, the limit shell 5 can be removed quickly, the limit shell 5 can be taken out, the liquid level sensor body 6 can be removed from the inner side of the mounting shell 2 quickly, the whole liquid level sensor is convenient for quick dismounting and use, and the liquid level sensor body 6 is in the use process, the liquid level sensor body 6 can be quickly removed without tools such as screwdrivers.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a capacitive non-contact liquid level sensor convenient to installation, its characterized in that, includes the water tank, the front lower extreme fixed mounting of water tank has the installation shell, the equal fixed mounting in both sides of installation shell has the slide rail, the inboard sliding connection of slide rail has the installation piece, the inboard fixed mounting spacing shell of installation piece, the inboard grafting of spacing shell has the liquid level sensor body, square groove has all been seted up at the top and the bottom of installation shell, spacing shell and square groove are all run through to the top and the bottom of liquid level sensor body, the equal fixed mounting in front and the back of liquid level sensor body has buffer unit, the positive fixed mounting of spacing shell has spacing clamping mechanism.

2. The capacitive non-contact liquid level sensor convenient to install according to claim 1, wherein a tank body is arranged at the top of the water tank, a connecting pipe is fixedly arranged at the top of the tank body, and a threaded connector is fixedly arranged at the top of the connecting pipe.

3. The capacitive non-contact liquid level sensor convenient to install according to claim 1, wherein the inner sides of the installation block and the sliding rail are both arranged in a convex shape, and the outer surface of the installation block and the inner wall of the sliding rail are both fixedly connected with wear-resistant gaskets.

4. The capacitive non-contact liquid level sensor convenient to install according to claim 1, wherein the limiting clamping mechanism comprises side rails, the side rails are fixedly installed on two sides of the front face of the limiting shell, limiting springs are fixedly installed on two sides of the inner side of the side rails, limiting frames are fixedly installed on the outer sides of the limiting springs, and the outer ends of the limiting frames penetrate through the sliding rails and are inserted into the top and the bottom of the installation block.

5. The capacitive non-contact liquid level sensor convenient to install according to claim 4, wherein the limiting frame comprises a sliding block and a clamping groove, the sliding block is fixedly installed at the outer end of the limiting spring, the sliding block is slidably connected to the inner side of the side rail, the outer end of the sliding block penetrates through the side rail and is fixedly provided with a bending frame, the inner side of the outer end of the bending frame is fixedly provided with a clamping block, the clamping groove is formed in the top and the bottom of the sliding rail and the sliding block, the clamping groove penetrates through the sliding rail, the clamping groove on the clamping block penetrating through the sliding rail is inserted into the inner sides of the clamping grooves in the top and the bottom of the sliding block, and the side surface of the clamping block is in a right trapezoid shape.

6. The capacitive non-contact liquid level sensor convenient to install according to claim 5, wherein the limiting clamping mechanism further comprises a linkage assembly, a linkage rod is fixedly installed on the inner side of the bending frame, the inner side of the linkage rod is in fit connection with the outer surface of the linkage assembly, and the inner sides of the linkage rod are fixedly connected.

7. The capacitive non-contact liquid level sensor of claim 6, wherein the linkage assembly comprises an elliptical plate rotatably connected to the front surface of the limiting housing, and wherein the top and bottom of the elliptical plate are in abutting connection with the bottom of the linkage rod.

8. The capacitive non-contact liquid level sensor convenient to install according to claim 7, wherein an adjusting Niu Bing is fixedly installed on the front face of the elliptical plate, and an adjusting handrail is fixedly installed on the outer surface of the adjusting knob handle at equal intervals.

9. The capacitive non-contact liquid level sensor convenient to install according to claim 1, wherein the buffer component comprises a groove, the groove is formed in the front surface and the back surface of the liquid level sensor body, buffer springs are fixedly installed at four corners of the inner side of the groove, and an attaching plate is fixedly installed at the outer side of the buffer springs.

10. The capacitive non-contact liquid level sensor convenient to install according to claim 9, wherein a damper is fixedly installed in the middle of the inner side of the bonding plate, and the inner side of the damper is fixedly connected with the middle in the groove.