CN213120749U

CN213120749U - Floating ball type liquid level transmitter with good sealing performance

Info

Publication number: CN213120749U
Application number: CN202021868082.9U
Authority: CN
Inventors: 沈峰; 宋丹; 陈博宇; 栾晓东; 施大顺; 刘昕; 张超
Original assignee: Dandong Nai Neng Instrument & Electric Co ltd
Current assignee: Dandong Nai Neng Instrument & Electric Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The application discloses a floating ball type liquid level transmitter with good sealing performance, which comprises a junction box, a measuring conduit and a floating ball, wherein a connecting pipe is fixedly connected to the bottom of the junction box; the junction box comprises a junction box body and is characterized in that a fixing piece is fixedly connected to the inner cavity of the junction box body, a static seal is fixedly connected to one side of the fixing piece, a coupler is installed on the right side of the static seal and fixedly connected to the right side of the junction box body, and a junction block is fixedly connected to the top of the junction box body. The static seal can seal the inside of the junction box, the structure is simple, the sealing cover is convenient for opening and closing the junction box, and the upper limit ring and the lower limit ring are convenient for the floating ball to measure the liquid level; the mounting flange and the connecting piece are beneficial to mounting of the transmitter, the connecting pipe is beneficial to mounting and dismounting of the mounting flange, and the limiting plate and the limiting block can limit and fix the mounting flange.

Description

Floating ball type liquid level transmitter with good sealing performance

Technical Field

The application relates to a liquid level transmitter, in particular to a floating ball type liquid level transmitter with good sealing performance.

Background

The floating ball liquid level transmitter consists of two parts, namely a liquid level sensor and a current converter, wherein the floating ball and the liquid level synchronously change to control the reed switch to be closed and opened, so that the internal resistance of the sensor linearly changes, and the change of the resistance is converted into a standard current signal by the converter and is superposed with a digital signal for output. The medium liquid level in the opening, the closed container or the underground tank can be displayed, alarmed and controlled in the instrument control room.

The floating ball type liquid level transmitter produced in the current market adopts dynamic seal of filler extrusion, and due to the fact that friction force of the filler seal is overcome, buoyancy requirements on a floating ball are strict, the whole structure size is large, the sealing effect is not good, leakage is easily caused, the liquid level transmitter is not high in applicability, the floating ball type liquid level transmitter is not beneficial to being installed on containers of different sizes, and the installation structure is not easy to detach and replace and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned exists, provide a floater formula liquid level changer that the leakproofness is good.

A floating ball type liquid level transmitter with good sealing performance comprises a junction box, a measuring conduit and a floating ball, wherein the bottom of the junction box is fixedly connected with a connecting pipe, the bottom of the connecting pipe is sleeved with an installation part through threads, the bottom of the installation part is sleeved with an installation flange, the bottom of the installation flange is provided with the floating ball, the floating ball is sleeved on the measuring conduit, the upper main body of the measuring conduit is sleeved in the connecting pipe, the lower main body of the measuring conduit penetrates through an upper limiting ring and the floating ball and is connected with the upper limiting ring and the floating ball, and the lower end of the measuring conduit is provided with a lower limiting;

the junction box comprises a junction box body and is characterized in that a fixing piece is fixedly connected to the inner cavity of the junction box body, a static seal is fixedly connected to one side of the fixing piece, a coupler is installed on the right side of the static seal and fixedly connected to the right side of the junction box body, and a junction block is fixedly connected to the top of the junction box body.

Furthermore, a static seal is fixedly connected to one side, close to the coupler, of the fixing piece, the coupler penetrates through the right side wall of the junction box, a magnetic sensor is fixedly connected to the inside of the coupler, and an instrument panel is fixedly connected to the outside of the coupler.

Furthermore, a sealing cover is sleeved at the top of the inner cavity of the junction box, a clamping strip is installed on the sealing cover and rotatably connected with the sealing cover, two ends of the clamping strip are connected with clamping grooves in a clamping mode, and the clamping grooves are fixedly connected to the side wall of the top of the junction box.

Further, the external screw thread has been seted up on the installed part, installed part bottom rigid coupling has the limiting plate, both sides rigid coupling respectively has stopper and measuring pipe about the limiting plate, the stopper is connected with mounting flange bottom block, mounting flange's diameter is greater than the diameter of limiting plate.

Further, the connecting piece is installed to installed part one side, pass through threaded connection between connecting piece end and the installed part, the connecting piece includes two telescopic links and fixed block, two connect through the telescopic link between the fixed block, and keep away from two bolts have been cup jointed on the fixed block of installed part.

Furthermore, a ferrule is fixedly connected to the inner wall of the floating ball, the ferrule is sleeved outside the measuring catheter, the floating ball is connected with the measuring catheter in a sliding mode, an upper limiting ring and a lower limiting ring are respectively installed on the upper side and the lower side of the floating ball, and the upper limiting ring and the lower limiting ring are fixedly connected to the measuring catheter.

The beneficial effect of this application is: the application provides a ball float formula level transmitter convenient to dismantle and leakproofness is better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a ferrule configuration according to an embodiment of the present application;

FIG. 3 is a schematic view of a static seal configuration according to an embodiment of the present application;

FIG. 4 is a top view of a mount configuration according to an embodiment of the present application.

In the figure: 1. the device comprises a junction block, 2, a junction box, 3, a clamping strip, 4, a mounting piece, 5, a mounting flange, 6, an upper limiting ring, 7, a measuring conduit, 701, a connecting pipe, 8, a lower limiting ring, 9, a floating ball, 901, a ferrule, 10, a limiting plate, 1001, a limiting block, 11, a clamping groove, 12, a coupling, 1201, an instrument panel, 13, a sealing cover, 14, a fixing piece, 15, static sealing, 16, a magnetic sensor, 17 and a connecting piece.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a float ball type liquid level transmitter with good sealing performance includes a junction box 2, a measuring conduit 7 and a float ball 9, wherein a connecting pipe 701 is fixedly connected to the bottom of the junction box 2, an installation part 4 is sleeved on the bottom of the connecting pipe 701 through a thread, an installation flange 5 is sleeved on the bottom of the installation part 4, the float ball 9 is installed on the bottom of the installation flange 5, the float ball 9 is sleeved on the measuring conduit 7, an upper main body of the measuring conduit 7 is sleeved in the connecting pipe 701, a lower main body of the measuring conduit 7 passes through an upper limiting ring 6 and the float ball 9 and is connected with the upper limiting ring 6 and the float ball 9, and a lower limiting ring 8 is installed at the lower end of the measuring;

the inner cavity of the junction box 2 is fixedly connected with a fixing piece 14, one side of the fixing piece 14 is fixedly connected with a static seal 15, a coupling 12 is installed on the right side of the static seal 15, the coupling 12 is fixedly connected on the right side of the junction box 2, and a junction block 1 is fixedly connected to the top of the junction box 2.

A static seal 15 is fixedly connected to one side, close to the coupler 12, of the fixing piece 14, the coupler 12 penetrates through the right side wall of the junction box 2, a magnetic sensor 16 is fixedly connected to the inside of the coupler 12, an instrument panel 1201 is fixedly connected to the outside of the coupler 12, and the static seal 15 is convenient for sealing and protecting the inside of the junction box 2; the top of the inner cavity of the junction box 2 is sleeved with a sealing cover 13, a clamping strip 3 is mounted on the sealing cover 13, the clamping strip 3 is rotatably connected with the sealing cover 13, two ends of the clamping strip 3 are connected with a clamping groove 11 in a clamping manner, the clamping groove 11 is fixedly connected to the side wall of the top of the junction box 2, so that the clamping strip 3 can move in the clamping groove 11, and the sealing cover 13 is controlled to be opened and closed; the mounting part 4 is provided with external threads, the bottom of the mounting part 4 is fixedly connected with a limiting plate 10, the upper side and the lower side of the limiting plate 10 are respectively and fixedly connected with a limiting block 1001 and a measuring conduit 7, the limiting block 1001 is connected with the bottom of the mounting flange 5 in a clamping manner, and the diameter of the mounting flange 5 is larger than that of the limiting plate 10, so that the limiting plate 10 can limit the mounting flange conveniently; a connecting piece 17 is installed on one side of the installation piece 4, the tail end of the connecting piece 17 is connected with the installation piece 4 through threads, the connecting piece 17 comprises two telescopic rods and two fixing blocks, the two fixing blocks are connected through the telescopic rods, and the fixing block far away from the installation piece 4 is sleeved with two bolts, so that the whole device can be conveniently installed on containers with different diameters; a ferrule 901 is fixedly connected to the inner wall of the floating ball 9, the ferrule 901 is sleeved outside the measuring catheter 7, the floating ball 9 is connected with the measuring catheter 7 in a sliding manner, an upper limit ring 6 and a lower limit ring 8 are respectively installed on the upper side and the lower side of the floating ball 9, the upper limit ring 6 and the lower limit ring 8 are fixedly connected to the measuring catheter 7, and the moving range of the floating ball 9 on the measuring catheter 7 is conveniently controlled.

When the device is used, electrical components appearing in the device are externally connected with a power supply and a control switch when the device is used, firstly, a proper mounting structure is selected according to needs, when the diameter of an inlet of a container is larger, a connecting piece 17 is taken down, the top of a transmitter is clamped above the container by using a mounting flange 5, an upper limiting ring 6, a lower limiting ring 8 and a floating ball 9 extend into the container, when a measuring conduit 7 measures the liquid level in the container (a voltage division circuit consisting of a resistor and a magnetic spring switch in a body rod is changed by using the change of a magnet in the floating ball along with the liquid level so as to be converted into a voltage division signal, the voltage division signal can be converted into standard industrial signals such as 4-20 mA and the like through a liquid level meter to detect the liquid level), a magnetic sensor 16 drives 9 to move on the measuring conduit 7 along with the change of the liquid level through the magnet to reach the top of the liquid level, the, the upper limit ring 6 and the lower limit ring 8 are convenient for controlling the moving range of the floating ball 9, the limiting plate 10 and the limiting block 1001 are beneficial to installation and use of the installation flange 5 on the installation part 4, when the diameter of the inlet of the container is smaller, the connecting pipe 701 is rotated to separate the junction box 2 from the installation part 4, the installation flange 5 clamped on the limiting plate 10 is taken down, the bottom end of the connecting pipe 701 is sleeved outside the top end of the measuring conduit 7 through the installation part 4 to complete splicing of the connecting pipe 701 and the measuring conduit 7, the connecting part 17 is installed on one side of the installation part 4 to be convenient for fixing one side of the installation part 4 through a bolt on the connecting part 17, the limiting plate 10 is clamped on the inlet of the container to measure the liquid level, the clamping strip 3 is rotated to be clamped or separated from the clamping groove 1, the sealing cover 13 is beneficial to open to, no leakage exists, and no maintenance is needed; the whole structure is simple, the volume is reduced, and the reliability is improved.

The application has the advantages that:

1. the static seal 15 can seal the interior of the junction box 2, the structure is simple, no leakage exists, the sealing cover 13 is convenient for opening and closing the junction box 2, the upper limit ring 6 and the lower limit ring 8 can control the moving range of the floating ball 9, and the floating ball 9 can conveniently move to measure the liquid level;

2. this application is rational in infrastructure, and mounting flange 5 and connecting piece 17 do benefit to the changer and install on the not unidimensional container, and connecting pipe 701 and measuring duct 7 do benefit to mounting flange 5's installation and dismantlement, and limiting plate 10 and stopper 1001 can be to mounting flange 5 spacing fixed, and it is comparatively convenient to use.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a ball float formula level transmitter that leakproofness is good which characterized in that: the measuring device comprises a junction box (2), a measuring conduit (7) and a floating ball (9), wherein the bottom of the junction box (2) is fixedly connected with a connecting pipe (701), the bottom of the connecting pipe (701) is sleeved with an installation part (4) through threads, the bottom of the installation part (4) is sleeved with an installation flange (5), the bottom of the installation flange (5) is provided with the floating ball (9), the floating ball (9) is sleeved on the measuring conduit (7), the upper main body of the measuring conduit (7) is sleeved in the connecting pipe (701), the lower main body of the measuring conduit (7) penetrates through an upper limiting ring (6) and the floating ball (9) and is connected with the upper limiting ring (6) and the floating ball (9), and the lower end of the measuring conduit (7) is provided with a lower limiting ring (;

junction box (2) inner chamber rigid coupling has mounting (14), mounting (14) one side rigid coupling has static seal (15), shaft joint (12) are installed on static seal (15) right side, shaft joint (12) rigid coupling is on junction box (2) right side, junction box (2) top rigid coupling has junction block (1).

2. The float-type level transmitter of claim 1, wherein: one side rigid coupling that mounting (14) are close to shaft joint (12) has static seal (15), terminal box (2) right side wall is run through in shaft joint (12), the inside rigid coupling of shaft joint (12) has magnetic sensor (16), just the outside rigid coupling of shaft joint (12) has panel board (1201).

3. The float-type level transmitter of claim 1, wherein: sealing cover (13) has been cup jointed at terminal box (2) inner chamber top, install card strip (3) on sealing cover (13), rotate between card strip (3) and sealing cover (13) and be connected, the block is connected between card strip (3) both ends and draw-in groove (11), draw-in groove (11) rigid coupling is on terminal box (2) top lateral wall.

4. The float-type level transmitter of claim 1, wherein: the external screw thread has been seted up on installed part (4), installed part (4) bottom rigid coupling has limiting plate (10), both sides rigid coupling respectively has stopper (1001) and measuring pipe (7) about limiting plate (10), stopper (1001) are connected with mounting flange (5) bottom block, the diameter of mounting flange (5) is greater than the diameter of limiting plate (10).

5. The float-type level transmitter of claim 1, wherein: connecting piece (17) is installed to installed part (4) one side, pass through threaded connection between connecting piece (17) end and installed part (4), connecting piece (17) include two telescopic links and fixed block, two connect through the telescopic link between the fixed block, and keep away from two bolts have been cup jointed on the fixed block of installed part (4).

6. The float-type level transmitter of claim 1, wherein: a ferrule (901) is fixedly connected to the inner wall of the floating ball (9), the ferrule (901) is sleeved outside the measuring guide pipe (7), the floating ball (9) is connected with the measuring guide pipe (7) in a sliding mode, an upper limiting ring (6) and a lower limiting ring (8) are mounted on the upper side and the lower side of the floating ball (9) respectively, and the upper limiting ring (6) and the lower limiting ring (8) are fixedly connected to the measuring guide pipe (7).