CN213932750U - Mechanical floating piece liquid level meter - Google Patents

Abstract

The utility model relates to a mechanical type floating piece level gauge, which comprises a fixing plate and i, fixed plate central authorities rotate and are equipped with vertical running through the dwang of fixed plate, the dwang top is at the radial fixedly connected with pointer in the top of fixed plate, the upper surface of fixed plate corresponds the pointer and is equipped with the dial plate, the bottom of dwang is at the top of the below axial fixed connection strip of fixed plate, the cross section of strip is turned round for polygon and lateral wall from one end around its central axis spiral rise to the other end, the fixed plate is connected with vertical decurrent guide arm, the locating part is connected to the lower extreme of guide arm, the lower extreme of strip of turning round is rotated with the locating part and is connected, it is equipped with the floating piece to turn round between the both ends of strip, be equipped with on the floating piece with turn round strip complex polygon through-hole, and with guide arm complex guide arm through-piece with the pointer pivoted mode on the dial plate with the lift conversion of liquid level, the complicated sensor structure of current has been solved, High manufacturing cost and inconvenient maintenance.

Description

Mechanical floating piece liquid level meter

Technical Field

The utility model relates to a technical field is made to the level gauge, especially relates to a mechanical type floating piece level gauge.

Background

The liquid level meter is an indicating instrument used for directly indicating the liquid level in a container device, the existing liquid level meters are mainly divided into two categories, one category is the liquid level meter manufactured by the buoyancy principle in fluid mechanics, and the inside of the liquid level meter relates to complex transmission parts, such as gear parts, magnetic couplings, pointer parts, lever floating parts and the like; the other type is to transmit a liquid level position signal in the container device to the outside of the container device in a sensor mode for displaying.

The existing liquid level meter manufactured by adopting the buoyancy principle in hydrodynamics has a complex structure, so that the manufacturing cost is high, and the liquid level meter is difficult to overhaul after being used or in the using process; although the indication of the liquid level meter adopting the sensor is convenient to read and can be remotely controlled, the cost is high, and the sensor is sensitive and greatly influenced by impurities and dirt in liquid, and when the impurities or dirt in the liquid are attached to the sensor, the liquid level display value of the liquid level meter is wrong, so that the surface of the sensor needs to be cleaned frequently by using the liquid level meter, and the sensor needs to be replaced when necessary, which is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, a need exists for a mechanical floating member liquid level meter, which is used to solve the problems of complicated structure, high manufacturing cost and inconvenient maintenance of the existing sensor.

The invention provides a mechanical floating part liquid level meter, which comprises a fixed plate, wherein a rotating rod vertically penetrating through the fixed plate is rotatably arranged in the center of the fixed plate, a pointer is fixedly connected to the top end of the rotating rod in the radial direction above the fixed plate, a dial is arranged on the upper surface of the fixed plate corresponding to the pointer, the bottom end of the rotating rod is fixedly connected to the top end of a torsion strip in the axial direction below the fixed plate, the cross section of the torsion strip is polygonal, the side wall of the torsion strip spirally rises to the other end from one end of the torsion strip around the central axis of the torsion strip, a vertically downward guide rod is fixedly connected to the position far away from the torsion strip on the fixed plate, the lower end of the guide rod is connected with a limiting part, the lower end of the torsion strip is rotatably connected with the limiting part, a floating part is arranged between the two ends of the torsion strip, and a polygonal through hole matched with the side wall of the torsion strip is arranged on the floating part, And a guide rod through hole matched with the guide rod.

Furthermore, the fixed plate is provided with more than one guide rod.

Further, the cross section of the twisted strip is quadrilateral.

Furthermore, the joint of the rotating rod and the fixed plate and the joint of the torsion bar and the limiting part are both provided with bearings.

Furthermore, smooth films are plated on the inner side walls of the polygonal through hole and the guide rod through hole in the floating piece.

Further, the guide rod is cylindrical, and the guide rod through hole is a circular through hole.

Furthermore, the guide rod through hole is a vertical groove arranged on the side wall of the floating part, the cross section of the vertical groove is arc-shaped, and the inner surface of the vertical groove is in sliding connection with the side wall of the guide rod.

Furthermore, a plurality of scale marks are arranged in the dial plate around the circumference equidistant array of the rotating rod, and the scale marks point to the rotating rod.

Furthermore, the upper surface of the pointer and the upper surface of the scale mark are both provided with fluorescent pastes.

The utility model provides a mechanical type floating piece level gauge, through all being the component commonly used in the adoption, and the quantity of component is few, only be 8 components, also there is not special requirement to the material of component, manufacturing cost has been practiced thrift, and the relation of connection between all components is simple, make the manufacturing process simple, easily promote, in the later maintenance, when clearing up the impurity on each component surface, need not to dismantle whole mechanical type floating piece level gauge, when needing to change the component, more save the time of dismantling component and assembly member, and the work efficiency is improved, and mechanical type level gauge is because there is not small-size accurate component, the life of level gauge is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram showing the top end of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which form a part of this application, illustrate by way of example the principles of the invention and do not limit the scope of the invention.

Referring to fig. 1-2, a mechanical floating part level gauge, includes fixed plate 1, fixed plate 1 central authorities rotate and are equipped with the vertical dwang 2 that runs through fixed plate 1, dwang 2 top is in the radial fixedly connected with pointer 3 in top of fixed plate 1, the upper surface of fixed plate 1 corresponds pointer 3 is equipped with dial plate 4, the bottom of dwang 2 is in the top of the strip 5 is turned round to the below axial fixed connection of fixed plate 1 for when turning round strip 5 and rotating, dwang 2 can be turned round under the effect of strip 5 together, the cross section of turning round strip 5 is the polygon, the lateral wall of turning round strip 5 winds from the one end of turning round strip 5 the axis spiral rise to the other end of turning round strip 5, keep away from on fixed plate 1 turn round strip 5 fixedly connected with vertical decurrent guide arm 7, the lower extreme of guide arm 7 is connected with locating part 8, the lower end of the torsion bar 5 is rotatably connected with the limiting part 8, a floating part 9 is arranged between two ends of the torsion bar 5, and a polygonal through hole 10 matched with the side wall of the torsion bar 5 and a guide rod through hole matched with the guide rod 7 are formed in the floating part 9.

The floating part 9 can carry out up-and-down motion along with the rising or the decline of liquid level, when the floating part 9 carries out up-and-down motion, owing to be provided with guide arm 7, guide arm 7 can restrict the floating part 9 and take place the rotation, consequently, the floating part 9 goes up and just can drive the strip 5 of turning round with turning round strip 5 complex polygon through-hole 10 and take place to rotate, and turn round strip 5 and just drive dwang 2 when taking place to rotate, thereby make 2 top radial fixed pointers 3 in dwang take place to rotate, consequently, the user only needs to remember the initial position of pointer 3 and the position after the rotation during the use, just can calculate the distance that the liquid level rises or descends.

Furthermore, the fixed plate 1 is provided with more than 2 guide rods 7, and the larger the number of the guide rods 7 is, the smaller the local moment applied to the floating part 9 in the ascending or descending process is, so that the stability and the service life of the floating part can be improved.

Further, the cross section of the torsion bar 5 is quadrilateral, that is, the polygonal through hole 10 matched with the torsion bar 5 is also a quadrilateral through hole, and the polygonal through hole 10 is set as the quadrilateral through hole according to the processing difficulty in practical situations and the comprehensive factor of the local moment received by the floating piece 9, of course, the polygonal through hole 10 can also be set as other polygons, such as triangle, pentagon, hexagon and the like, and the torsion bar 5 can be driven to rotate in the process of ascending or descending of the floating piece 9 only by the included angle between the sides.

Furthermore, the joint of the rotating rod 2 and the fixed plate 1 and the joint of the torsion strip 5 and the limiting part 8 are both provided with bearings, and the bearings are mainly used for reducing the friction force of the rotating part.

Furthermore, smooth films are plated on the inner side walls of the polygonal through hole 10 and the guide rod through hole of the floating piece 9, so that friction between the floating piece 9 and the guide rod 7 and friction between the floating piece 9 and the torsion bar 5 are reduced.

Further, the guide rod 7 is cylindrical, and the guide rod through hole is a circular through hole, so that the guide rod and the floating part 9 are easy to assemble during manufacturing.

More specifically, the guide rod through hole is a vertical groove 11 formed in the side wall of the floating member 9, the cross section of the vertical groove 11 is arc-shaped, and the inner surface of the vertical groove 11 is slidably connected with the side wall of the guide rod 7, so that the guide rod and the floating member 9 can be assembled more easily during manufacturing.

Further, surround in the dial plate 4 the periphery circumference equidistance array of dwang 2 is equipped with a plurality of scale marks 12, scale mark 12 is directional dwang 2 for can show dwang 2 pivoted angle more directly perceivedly in the dial plate 4.

Furthermore, the upper surface of the pointer 3 and the upper surface of the scale mark 6 are both provided with fluorescent stickers, so that the number of the dial 4 can be conveniently observed in dark light.

When the liquid level gauge is used, the whole mechanical floating part liquid level gauge is inserted into a container device needing to be detected, the whole mechanical floating part liquid level gauge is fixed on a container through the fixing plate 1, so that the floating part 9 of the whole mechanical floating part liquid level gauge is in contact with the liquid level, then the scale mark 6 corresponding to the pointer 3 at the moment is remembered, and the user only needs to watch the rotation angle of the pointer 3 in the dial 4 to calculate the rising or falling height of the liquid level.

The utility model discloses well adoption is the component commonly used, and the quantity of component is few, only be 8 components, also there is not special requirement to the material of component, and the manufacturing cost is practiced thrift, and the relation of connection between all components is simple, make the manufacturing process simple, easily promote, in the later maintenance, during the impurity on each component surface of clearance, need not to dismantle whole mechanical type float level gauge, when needing to change the component, save the time of dismantling component and assembly member more, the work efficiency is improved, and mechanical type level gauge is owing to do not have small-size accurate component, the life of level gauge is improved.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims (9)

1. The utility model provides a mechanical type floating piece level gauge, a serial communication port, which comprises a fixing plate, fixed plate central authorities rotate and are equipped with vertical running through the dwang of fixed plate, the dwang top is in the radial fixedly connected with pointer in top of fixed plate, the upper surface of fixed plate corresponds the pointer is equipped with the dial plate, the bottom of dwang is in the top of the strip is turned round to the below axial fixedly connected with of fixed plate, the cross section of turning round the strip is the polygon, the lateral wall of turning round the strip is wound from the one end of turning round the strip the axis spiral of turning round the strip rises to the other end, keeping away from on the fixed plate turn round the vertical decurrent guide arm of strip fixedly connected with of department, the lower extreme of guide arm is connected with the locating part, turn round the lower extreme of strip with the locating part swivelling joint be equipped with the floating piece between the both ends of turning round the strip, be equipped with on the floating piece with turn round the lateral wall complex polygon through-hole of strip, And a guide rod through hole matched with the guide rod.

2. A mechanical float level gauge according to claim 1, wherein said mounting plate is provided with more than 2 guide rods.

3. A mechanical float level gauge according to claim 1, wherein said torsion bar is quadrilateral in cross-section.

4. The mechanical float piece liquid level gauge according to claim 1, wherein bearings are provided at the joint of said rotating rod and said fixed plate and at the joint of said torsion bar and said limit piece.

5. A mechanical float level gauge according to claim 1, wherein the polygonal through hole in the float and the inner side walls of the guide rod through holes are coated with smooth films.

6. A mechanical float level gauge as claimed in claim 1, wherein said guide rod is cylindrical and said guide rod through bore is a circular through bore.

7. The mechanical float level gauge of claim 1, wherein said guide rod through hole is a vertical groove formed in a side wall of said float, said vertical groove having an arc-shaped cross section, and an inner surface of said vertical groove being slidably coupled to said side wall of said guide rod.

8. A mechanical float level gauge according to claim 1, wherein a plurality of scale marks are provided in said dial in a circumferential equidistant array around said circumferential surface of said rotatable shaft, said scale marks being directed towards said rotatable shaft.

9. The mechanical float level gauge of claim 8, wherein said upper surface of said pointer and said upper surface of said graduation marks are provided with a fluorescent sticker.

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