CN212180029U - Liquid level meter - Google Patents
Liquid level meter Download PDFInfo
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- CN212180029U CN212180029U CN202020938724.1U CN202020938724U CN212180029U CN 212180029 U CN212180029 U CN 212180029U CN 202020938724 U CN202020938724 U CN 202020938724U CN 212180029 U CN212180029 U CN 212180029U
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Abstract
The utility model discloses a liquid level meter. This liquid level meter includes: a housing; the rotating wheel is rotatably arranged in the shell; the axis of the rotating shaft of the potentiometer is collinear with the rotating axis of the rotating wheel, and the rotating shaft of the potentiometer is connected with the rotating wheel; the pull wire is wound on the periphery of the rotating wheel, one end of the pull wire extends out of the floating body outside the shell through the through hole of the shell, and the floating body is positioned below the shell and connected with the pull wire; the elastic restoring body is arranged between the rotating wheel and the shell and used for driving the rotating wheel to rotate and enabling the pull line to be balanced in stress. The rotating shaft of the potentiometer rotates synchronously through the change of the position of the floating body, so that the resistance signal of the potentiometer is changed, the aim of monitoring the liquid level at any time is fulfilled conveniently, the stay wire is kept in a tight state at any time through the elastic restoring body, the liquid level can be monitored with high precision, and the liquid level meter is simple in structure and low in cost.
Description
Technical Field
The utility model relates to a liquid level measuring instrument, in particular to level gauge.
Background
The liquid level meter is an instrument for measuring the height of a liquid medium in a container, is divided into a magnetic float type, an internal floating type, a magnetic turning plate, a throwing type and the like according to the working principle, and realizes the monitoring of the liquid level through the liquid level meter. The liquid level meter in the current market is complex in structure, the liquid level meter is large in size, large in mass and high in cost due to the complex structure, and the failure rate of the liquid level meter is improved due to the fact that the number of parts forming the liquid level meter is large.
SUMMERY OF THE UTILITY MODEL
This application is through providing a simple structure and practical level gauge.
The embodiment of the application provides a level gauge, includes:
a housing;
the rotating wheel is rotatably arranged in the shell;
the axis of the rotating shaft of the potentiometer is collinear with the rotating axis of the rotating wheel, and the rotating shaft of the potentiometer is connected with the rotating wheel;
the stay wire is wound on the periphery of the rotating wheel, and one end of the stay wire extends out of the shell through the through hole of the shell;
the floating body is positioned below the shell and connected with the pull wire;
the elastic restoring body is arranged between the rotating wheel and the shell and is used for driving the rotating wheel to rotate and enabling the pull line to be balanced in stress.
The floating body is placed in the liquid of the liquid level to be measured, the rotating wheel is rotated through the elastic restoring body along with the change of the liquid level, the potentiometer and the rotating wheel are synchronously rotated, so that different resistance signals are output from different liquid levels at any time, the aim of monitoring the liquid level at any time is fulfilled, the stay wire is kept in a tight state at any time through the elastic restoring body, the liquid level can be monitored with higher precision, and the liquid level meter is simple in structure and low in cost.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further: it still includes:
the fixed shaft is rotatably connected with the shell, and the rotating wheel is rotatably arranged on the fixed shaft. The beneficial effect of this step: the rotating connection between the rotating wheel and the shell is realized through the rotating shaft.
Further: the elastic restoring body is a spring, an inner ring of the spring is connected with the fixed shaft, and an outer ring of the spring is connected with the rotating wheel. The beneficial effect of this step: the clockwork spring has the advantages of simple structure, low cost, easy acquisition and good replaceability.
Further: the shell is provided with:
the inside of the shell is divided into two areas by the partition plate, the rotating wheel is located in one area, and the potentiometer is located in the other area. The beneficial effect of this step: the inner area of the shell is separated by the partition plate, so that the sealing design of the inner structure of the shell and more targeted sealing protection are facilitated.
Further: it still includes:
one end of the fixed shaft extends out of the shell and is fixed to the shell through the first positioning piece;
the casing outer wall is provided with:
the first groove is formed in the first positioning piece;
the liquid level gauge further includes:
the first sealing element is inserted into the first groove. The beneficial effect of this step: the first sealing element improves the tightness of the housing.
Further: one end of the rotating wheel is provided with:
protruding, protruding:
the second groove is arranged along the rotating axis of the rotating wheel;
the liquid level gauge further includes:
and the second positioning piece is an elastic piece, the rotating shaft of the potentiometer is connected to the second positioning piece, and the other end of the second positioning piece is connected to the second groove. The beneficial effect of this step: the problem caused by the coaxiality difference between the rotating shaft of the potentiometer and the rotating axis of the rotating wheel is reduced through the second positioning piece.
Further: it still includes:
the sealing element II is sleeved on the fixed shaft and clamped between the shell and the rotating wheel;
and the third sealing element is sleeved on the bulge and clamped between the rotating wheel and the partition plate. The beneficial effect of this step: the sealing performance is improved from the inside of the shell through the second sealing piece and the third sealing piece.
Further: it still includes:
the friction piece is an elastic piece and is mounted on the shell, and the pull wire penetrates through the friction piece. The beneficial effect of this step: the attachment on the surface of the pull wire is separated from the surface of the pull wire by the friction piece.
Further: it still includes:
the fixed block is arranged between the friction piece and the shell, an arc-shaped hole is formed in the fixed block corresponding to the pull wire, and the pull wire penetrates through the arc-shaped hole. The beneficial effect of this step: the movement path of the stay wire is gently changed through the fixed block.
Further: it still includes:
the connecting piece comprises a first piece and a second piece which are mutually rotatably connected, and the connecting piece is arranged in the stay wire. The beneficial effect of this step: the connecting piece enables the floating body not to rotate the pull wire above the connecting piece, so that the stability of the working process of the liquid level meter is improved.
Compared with the prior art, the utility model has the advantages of as follows:
1. the liquid level meter has the advantages of simple structure, small volume and low cost, and can monitor the liquid level constantly;
2. the sealing performance of the whole liquid level meter is improved through the first sealing element, the second sealing element and the third sealing element;
3. the positioning piece II adopts an elastic body, so that the problem caused by the concentricity difference between the rotating shaft of the potentiometer and the rotating axis of the rotating wheel can be reduced, the rotating fluency and efficiency of the rotating shaft of the potentiometer are improved, the error of the measuring result caused by the concentricity difference is prevented, meanwhile, the damage to the potentiometer can be reduced, the measuring precision of the liquid level meter is improved, the working stability is improved, and the service life of parts is prolonged;
4. the friction piece can effectively reduce the probability of liquid and impurities entering the shell;
5. the shape of the stay wire can be gently changed through the arc-shaped hole in the positioning piece, so that the smoothness of the movement process of the stay wire is improved conveniently, and the working stability of a product is ensured;
6. the floating body can rotate independently through the connecting piece, so that the problem that the stay wire rotates due to the rotation of the floating body is avoided, and the working stability of the liquid level meter is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of a first structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a second schematic structural view of the present invention;
FIG. 4 is a partial enlarged view of B in FIG. 3;
fig. 5 is a partially enlarged view of C in fig. 3.
Wherein,
1, a shell, 101 inner cavities, 102 partition boards, 103 cavities I, 104 cavities II, 105 shell bodies, 106 pressing covers, 107 end covers, 108 convex parts, 109 grooves I and 110 placing grooves;
2, a rotating wheel, a wheel body 201, an end plate 202, a winding groove 203, a mounting groove 204, a weight reduction groove 205, a rotating hole 206, a protrusion 207 and a groove 208;
3, a potentiometer;
4, pulling a wire, 401, 402, and two;
5 a floating body;
6, elastic restoring body;
7, fixing a shaft;
8, positioning a first part;
9, a first sealing element, 901 a first groove body;
10, positioning piece II and 1001 groove body II;
11, a second sealing element;
12, a third sealing element;
13 a friction member;
14 fixed block, 1401 arc hole;
15, looping;
16 connectors, 1601 pieces one, 1602 pieces two, 1603 transitions, 1604 columns, 1605 end blocks.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In order to solve the problems of complex structure, higher cost and troublesome assembly and disassembly of the existing liquid level meter product, the liquid level meter provided by the embodiment can reduce the manufacturing cost of the liquid level meter, improve the working stability of the liquid level meter and prolong the service life of parts on the premise of still having better measuring effect by simplifying the structure of the liquid level meter, and also has the beneficial effect of convenient disassembly.
As shown in fig. 1-3, a liquid level gauge includes: the device comprises a shell 1, a rotating wheel 2, a potentiometer 3, a pull wire 4, a floating body 5 and an elastic restoring body 6, wherein the shell 1 is internally provided with a hollow inner cavity 101, the rotating wheel 2 is rotatably installed inside the shell 1, the axis of the rotating shaft of the potentiometer 3 is collinear with the rotating axis of the rotating wheel 2, the rotating shaft of the potentiometer 3 is connected with the rotating wheel 2, the pull wire 4 is wound on the periphery of the rotating wheel 2, the lower end surface of the shell 1 is provided with a through hole, one end of the pull wire 4 extends out of the shell 1 through the through hole of the shell 1, the floating body 5 is positioned below the shell 1 and is connected with the pull wire 4, the floating body 5 in the embodiment is cylindrical, in addition, the floating body 5 can be in other shapes as long as the function that the floating body 5 floats on the liquid surface is realized, the elastic restoring body 6 is arranged between the rotating wheel 2 and the shell 1, the elastic restoring body 6 is used for driving, when the floating body 5 moves up and down along with the liquid level, the elastic restoring body 6 drives the rotating wheel 2 to rotate, so that the stay wire 4 is always in a tight state.
Specifically, as shown in fig. 2, the housing 1 has: the inside of the housing 1 is divided into two areas by the partition plate 102 and the partition plate 102, that is, the inner cavity 101 is divided into two parts as shown in the figure by the partition plate 102, which are a first chamber 103 and a second chamber 104 respectively, the rotating wheel 2 is located in the first chamber 103, the potentiometer 3 is located in the second chamber 104, and the partition plate 102 is arranged to separate the potentiometer 3 from the rotating wheel 2, so that the influence of the moisture and the pollutant on the side of the rotating wheel 2 on the potentiometer 3 is avoided, the potentiometer 3 is protected conveniently, and the service life of the potentiometer 3 is prolonged.
Specifically, as shown in fig. 2, the housing 1 is divided into three parts including: the potentiometer comprises a shell body 105, a gland 106 and an end cover 107, wherein the gland 106 is connected with the shell body 105, the end cover 107 is connected with the gland 106, the partition plate 102 and the gland 106 are integrally formed, the shell body 105, the gland 106 and the end cover 107 are connected through bolts, in addition, the shell body 105, the gland 106 and the end cover 107 can be connected into a whole in an adhesive or snap connection mode, the shell body 105, the gland 106 and the end cover 107 are arranged to facilitate installation of parts in the shell 1, the potentiometer 3 is arranged in the end cover 107, in the embodiment, the potentiometer 3 is connected into the end cover 107 through a ferrule 15, the ferrule 15 is a rubber body, the inner ring of the ferrule 15 is matched with the potentiometer 3 in shape, the outer ring of the ferrule 15 is matched with the inner cavity 101 of the end cover 107, the ferrule 15 is sleeved outside the potentiometer 3 and inserted into the end cover 107, the ferrule 15 is stably arranged, The end cover 107 is fixed by bolts, for example, a ferrule 15 is bonded to the potentiometer 3, the ferrule 15 is provided with a threaded hole, the end cover 107 is provided with a corresponding through hole, the ferrule 15 is connected to the end cover 107 by bolts, and the potentiometer 3 is fixed to the end cover 107.
Specifically, as shown in fig. 2, the liquid level meter further includes: the fixed shaft 7 is arranged in the inner cavity 101, the fixed shaft 7 is rotatably connected with the shell body 105, and the rotating wheel 2 is rotatably arranged on the fixed shaft 7; the rotating wheel 2 comprises two parts, namely a wheel body 201 and an end plate 202, wherein an annular winding groove 203 is formed around the periphery of the wheel body 201, the pull wire 4 is wound in the winding groove 203, one end of the wheel body 201 is provided with a mounting groove 204 and a lightening groove 205, the mounting groove 204 is arranged along the rotating axis of the rotating wheel 2 and is used for mounting the elastic restoring body 6, the lightening groove 205 is used for lightening the weight of the wheel body 201 and reducing the cost of the wheel body 201, the end plate 202 is mounted on one side surface of the wheel body 201 and seals the mounting groove 204, the wheel body 201 and the end plate 202 are both provided with matched rotating holes 206 corresponding to the fixed shaft 7, and the fixed shaft.
Specifically, as shown in fig. 2, the elastic restoring body 6 is a spring, the spring is sleeved on the outer side of the fixed shaft 7, the end of the inner ring of the spring is connected to the fixed shaft 7, the end of the outer ring of the spring is connected to the inner wall of the mounting groove 204, in this embodiment, the spring is connected to the fixed shaft 7 and the mounting groove 204 by bolts, and besides, the spring can be connected to the fixed shaft 7 and the mounting groove 204 by common connection methods such as gluing, clamping, and plugging.
Specifically, as shown in fig. 2, the liquid level meter further includes: the outer end face of the shell body 105 is provided with a protruding part 108 along the rotating axis of the fixing shaft 7, the protruding part 108 is provided with a first groove 109 along the rotating axis of the fixing shaft 7, the end part of the fixing shaft 7 extends into the first groove 109 through a through hole correspondingly formed in the shell body 105, the first positioning part 8 is arranged in the first groove 109 and connected with the end part of the fixing shaft 7, the fixing shaft 7 is fixed on the shell body 105, specifically, the first positioning part 8 is a nut, the outer peripheral surface of the end part of the fixing shaft 7 extending into the first groove 109 is provided with a thread matched with the nut, the nut is connected to the fixing shaft 7 through the thread, one end face of the nut is tightly attached to the bottom of the first groove 109, the first sealing part 9 is a rubber body, the end face of the first sealing part 9 is provided with a first groove 901 corresponding to the end part of the fixing shaft 7, the first sealing part 9, therefore, the sealing effect of the shell 1 is improved through the first sealing element 9, the probability that liquid and dirt enter the inner cavity 101 is reduced, and the parts in the shell 1 are protected.
Specifically, as shown in fig. 2, one end of the runner 2 is provided with: protruding 207, protruding 207 is located end plate 202, and protruding 207 has seted up: the second groove 208, the second groove 208 is arranged along the rotating axis of the runner 2; the level gauge further includes: two 10 locating pieces, two 10 locating pieces are elastic pieces, two 10 locating pieces are the rubber body in this embodiment, the pivot of potentiometer 3 is connected in two 10 locating pieces, the other end of two 10 locating pieces is connected in two 208 recesses, it is specific, two 1001 slots are seted up corresponding to the pivot of potentiometer 3 to two 10 locating pieces, the pivot tip of potentiometer 3 is pegged graft in two 1001 slots, two 10 locating pieces are pegged graft in two 208 recesses, set up two 10 locating pieces's aim at, first be for the convenience of being connected potentiometer 3 and runner 2, second, because two 10 locating pieces are elastic pieces, when the pivot of potentiometer 3 is relatively poor with fixed axle 7 concentricity, reduce the influence that the concentricity difference produced to 3 pivot rotations of potentiometer through the elastic deformation of two 10 locating pieces.
Specifically, as shown in fig. 2, the liquid level meter further includes a second sealing element 11 and a third sealing element 12, the second sealing element 11 and the third sealing element 12 are elastic bodies, specifically, gaskets such as rubber gaskets and foam gaskets, the second sealing element 11 and the third sealing element 12 are circular rings, the second sealing element 11 is sleeved on the fixed shaft 7 and clamped between the housing 105 and the rotating wheel 2, the third sealing element 12 is sleeved on the protrusion 207 and clamped between the rotating wheel 2 and the partition plate 102, the sealing performance of the housing 105 is improved through the second sealing element 11, the probability that liquid and impurities enter the housing 1 is reduced, the sealing performance of the partition plate 102 is improved through the third sealing element 12, and the stability of the working environment of the potentiometer 3 is improved.
Specifically, as shown in fig. 4, the liquid level meter further includes a friction member 13, the friction member 13 is an elastic member, the friction member 13 is mounted on the housing 1, the pull wire 4 passes through the friction member 13, specifically, the lower end of the housing 105 is provided with a placement groove 110, the friction member 13 is provided with the placement groove 110, and can be directly inserted into the placement groove 110, or the friction member 13 can be fixed in the placement groove 110 by gluing or the like, the friction member 13 can be a soft block such as a rubber block or a foam block, the friction member 13 is provided with a through hole corresponding to the pull wire 4, the pull wire 4 passes through the through hole, the friction member 13 generates a slight friction force on the pull wire 4, the friction force has no influence on the movement of the pull wire 4, so that the friction member 13 blocks the liquid and impurities remaining on the surface of the pull wire 4 outside the friction member 13, and the possibility of the liquid and the impurities entering the housing 1 is reduced.
Specifically, as shown in fig. 4, the liquid level meter further includes a fixed block 14, the fixed block 14 is disposed between the friction member 13 and the housing 1, the fixed block 14 is made of a hard material, such as plastic, metal, etc., the fixed block 14 is provided with an arc-shaped hole 1401 corresponding to the pull wire 4, the pull wire 4 passes through the arc-shaped hole 1401, specifically, the fixed block 14 is disposed in the placement groove 110, and can be directly inserted into the placement groove 110, or the friction member 13 can be fixed in the placement groove 110 by gluing, bolting, etc., the friction member 13 is disposed at the lower end of the placement groove 110, so that the friction member 13 is limited in the placement groove 110 by the fixed block 14, the diameter of the arc-shaped hole 1401 is larger than the diameter of the pull wire 4, the fixed block 14 is disposed to stably limit the friction member 13 in the placement groove 110, and the movement direction of the pull wire 4 is guided through the arc-shaped hole 1401, so as to make the bending of the, the shape of the stay wire 4 is prevented from changing suddenly when the stay wire enters the winding groove 203 through the friction piece 13, and the moving fluency of the stay wire 4 is improved.
Specifically, as shown in fig. 5, the liquid level gauge further includes a connecting member 16, the connecting member 16 includes a first member 1601 and a second member 1602 which are rotatably connected to each other, the connecting member 16 is disposed in the pull line 4 or between the pull line 4 and the floating body 5, specifically, the connecting member 16 in this embodiment is disposed in the pull line 4, the pull line 4 is divided into two sections, i.e., a first line 401 and a second line 402, the first member 1601 and the second member 1602 are annular, the first member 1601 and the second member 1602 are rotatably connected through a transition member 1603, the transition member 1603 includes a column 1604 and an end block 1605, the column 1604 is cylindrical, the first member 1601 and the second member 1602 are provided with through holes corresponding to the column 1604, the column 1604 is inserted into the through holes of the first member 1601 and the second member 1602 with a gap, the upper end 1604 of the column penetrates through the through hole of the first member 1601 and extends into the inner circle of the first member 1601, the lower end of the column 1604 extends into the inner circle of the second member 1602, the end block, can adopt modes such as gluing, threaded connection, buckle connection to realize being connected of cylinder 1604 and end block 1605 to realize through connecting piece 16 that line one 401 is connected with the rotation of line two 402, set up the aim at of connecting piece 16, through the inside rotation of connecting piece 16 self, solve because the floater 5 that liquid disturbance leads to drives the pivoted problem of acting as go-between 4, improved the stability of this level gauge in the course of the work.
When the rotating wheel 2 rotates, the potentiometer 3 rotates synchronously, the resistance of the potentiometer 3 changes synchronously, the transmitter module or the transmitting circuit converts a resistance signal of the potentiometer 3 into a current signal of 4 mA-20 mA (DC), the current signal is a unified standard analog signal in a control system determined by International Electrotechnical Commission (IEC), the current signal is matched with an industrial personal computer for use, and the industrial personal computer converts the current value into a corresponding liquid level value and displays the liquid level value through a display.
When the liquid level meter works, a floating body 5 is placed in liquid with the liquid level to be measured, a shell 1 is fixed above the liquid, when the liquid level rises, the floating body 5 rises along with the liquid level, a pull wire 4 is loosened, a spring drives a rotating wheel 2 to rotate, the pull wire 4 is gradually wound in a winding groove 203 until the pull wire 4 is in a stress balance state, in the process, a potentiometer 3 correspondingly rotates, and therefore resistance signals of the potentiometer 3 correspondingly change; when the liquid level is lowered, the floating body 5 lowers along with the liquid level, the floating body 5 enables the pull wire 4 to synchronously move out of the winding groove 203 until the stress of the pull wire 4 is balanced, the pull wire 4 does not rotate out of the winding groove 203 any more, in the process, the potentiometer 3 correspondingly rotates, and the resistance signal of the potentiometer 3 correspondingly changes; therefore, the liquid level is monitored through the change of the resistance signal of the potentiometer 3.
The liquid level meter has the advantages that:
1. the liquid level meter mainly occupies larger volume and is provided with the rotating wheel and the potentiometer, and the volume of the fixed block and the friction block can be adjusted according to the measuring environment, even the fixed block and the friction block are not needed, so that the liquid level meter has simple structure, small volume and low cost, the stay wire is always kept in a tight state through the action of the spring, and the function of monitoring the liquid level in real time is realized;
2. the integral sealing performance of the shell body is improved through the first sealing element, liquid and impurities can be effectively prevented from entering the first cavity through the joint of the fixed shaft and the shell body, parts in the first cavity are directly protected, and parts in the second cavity are indirectly protected;
3. the sealing property of the first cavity relative to the external environment is further improved through the second sealing element, and the sealing property between the second cavity and the first cavity is improved through the third sealing element, so that the stability of the environment in the inner cavity is further improved, and the service life of parts in the inner cavity is prolonged;
4. the weight of the rotating wheel is reduced through the weight reduction groove, and the manufacturing cost and the overall weight of the liquid level meter are reduced;
5. the fixing shaft is connected to the shell body through the nut, the mounting mode is simple, and the subsequent fixing shaft is convenient to detach;
6. the positioning piece II adopts an elastic body, so that the problem caused by the concentricity difference between the rotating shaft of the potentiometer and the rotating axis of the rotating wheel can be reduced, the rotating fluency and efficiency of the rotating shaft of the potentiometer are improved, the error of the measuring result caused by the concentricity difference is prevented, meanwhile, the damage to the potentiometer can be reduced, the measuring precision of the liquid level meter is improved, the working stability is improved, and the service life of parts is prolonged;
7. the shell adopts a three-section mode of a shell body, a gland and an end cover, so that the assembly of parts in the inner cavity and the disassembly and maintenance of the parts are facilitated;
8. the friction piece can effectively reduce the probability of liquid and impurities entering the first chamber;
9. the shape of the stay wire can be gently changed through the arc-shaped hole in the positioning piece, so that the smoothness of the movement process of the stay wire is convenient to improve, the problem of sudden increase of friction force caused by sudden change of the appearance of the stay wire is solved, if the appearance of the stay wire suddenly changes, the stay wire and an object causing the sudden change of the appearance of the stay wire generate larger friction, the stay wire is repeatedly rubbed for a long time, the disconnection failure of the stay wire is easily caused, and the working stability of the liquid level meter is improved through the arc-shaped hole;
10. the floating body can rotate independently through the connecting piece, so that the problem that the stay wire rotates due to the rotation of the floating body is avoided, and the working stability of the liquid level meter is improved.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A fluid level gauge, comprising:
a housing;
the rotating wheel is rotatably arranged in the shell;
the axis of the rotating shaft of the potentiometer is collinear with the rotating axis of the rotating wheel, and the rotating shaft of the potentiometer is connected with the rotating wheel;
the stay wire is wound on the periphery of the rotating wheel, and one end of the stay wire extends out of the shell through the through hole of the shell;
the floating body is positioned below the shell and connected with the pull wire;
the elastic restoring body is arranged between the rotating wheel and the shell and is used for driving the rotating wheel to rotate and enabling the pull line to be balanced in stress.
2. The fluid level gauge according to claim 1, characterized in that it further comprises:
the fixed shaft is rotatably connected with the shell, and the rotating wheel is rotatably arranged on the fixed shaft.
3. The fluid level gauge according to claim 2, wherein the elastic restoring body is a spring, an inner ring of the spring is connected with the fixed shaft, and an outer ring of the spring is connected with the rotating wheel.
4. The fluid level gauge of claim 2, wherein the housing has disposed therein:
the inside of the shell is divided into two areas by the partition plate, the rotating wheel is located in one area, and the potentiometer is located in the other area.
5. The gauge according to claim 4,
it still includes:
one end of the fixed shaft extends out of the shell and is fixed to the shell through the first positioning piece; the casing outer wall is provided with:
the first groove is formed in the first positioning piece; the liquid level gauge further includes:
the first sealing element is inserted into the first groove.
6. The gauge of claim 5,
one end of the rotating wheel is provided with:
protruding, protruding:
the second groove is arranged along the rotating axis of the rotating wheel;
the liquid level gauge further includes:
and the second positioning piece is an elastic piece, the rotating shaft of the potentiometer is connected to the second positioning piece, and the other end of the second positioning piece is connected to the second groove.
7. The fluid level gauge according to claim 6, characterized in that it further comprises:
the sealing element II is sleeved on the fixed shaft and clamped between the shell and the rotating wheel;
and the third sealing element is sleeved on the bulge and clamped between the rotating wheel and the partition plate.
8. The fluid level gauge according to claim 1, characterized in that it further comprises:
the friction piece is an elastic piece and is mounted on the shell, and the pull wire penetrates through the friction piece.
9. The fluid level gauge according to claim 8, further comprising:
the fixed block is arranged between the friction piece and the shell, an arc-shaped hole is formed in the fixed block corresponding to the pull wire, and the pull wire penetrates through the arc-shaped hole.
10. The fluid level gauge according to claim 1, characterized in that it further comprises:
the connecting piece comprises a first piece and a second piece which are mutually rotatably connected, and the connecting piece is arranged in the stay wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938724.1U CN212180029U (en) | 2020-05-28 | 2020-05-28 | Liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938724.1U CN212180029U (en) | 2020-05-28 | 2020-05-28 | Liquid level meter |
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| Publication Number | Publication Date |
|---|---|
| CN212180029U true CN212180029U (en) | 2020-12-18 |
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| CN202020938724.1U Active CN212180029U (en) | 2020-05-28 | 2020-05-28 | Liquid level meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664916A (en) * | 2020-05-28 | 2020-09-15 | 扬州佳境环境科技股份有限公司 | Liquid level meter |
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2020
- 2020-05-28 CN CN202020938724.1U patent/CN212180029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664916A (en) * | 2020-05-28 | 2020-09-15 | 扬州佳境环境科技股份有限公司 | Liquid level meter |
| CN111664916B (en) * | 2020-05-28 | 2025-04-04 | 扬州佳境环境科技股份有限公司 | A liquid level meter |
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