CN218673815U - Closed buoy liquid level meter - Google Patents

Abstract

The utility model provides a closed buoy level gauge relates to level gauge technical field, and the scheme of adoption is: the weight is slidably mounted on the ruler plate, a pointer is mounted on the weight, the buoy is connected with the weight through a pull rope, and the pull rope bypasses the left corner pulley and the right corner pulley; the left pulley shell is installed at the left corner, the left pulley shell wraps the left corner pulley, the right pulley shell is installed at the right corner, the right pulley shell wraps the right corner pulley, the steel wire rope below the left corner pulley is provided with a pipe seat, a first sleeve is connected between the pipe seat and the left pulley shell, a second sleeve is connected between the left pulley shell and the right pulley shell, and a third sleeve is connected between the right pulley shell and the ruler plate. The utility model discloses the effect of bringing is: realize the wire rope and the pulley seal protection between jar body and the chi board, prevent the corruption of external environment such as rain, increase of service life.

Description

Closed buoy liquid level meter

Technical Field

The utility model relates to a level gauge technical field especially relates to a closed buoy level gauge.

Background

The float level meter is one instrument for continuously measuring the liquid level in container and may be used in measuring the liquid level of corrosive medium, such as acid, alkali, etc. The buoy is designed according to the force balance principle, when the liquid level is at a certain height, the weight of the buoy is W, the weight of a heavy hammer needle is W1, the buoyancy force of the buoy soaked in the liquid is F, the system friction is F, and W-F-W1-F =0 in a balanced state. When the liquid level rises, the buoyancy F increases, W1 and F are not changed, the upward balance is broken, the vertical pointer slides downwards, and new balance is established until the force F is reduced to the original value, if the force F is increased all the time, namely the liquid level is lengthened all the time, the pointer slides downwards all the time. Otherwise, when the liquid level is lowered, the weight pointer is raised, so as to indicate the height of the liquid level.

The buoy level meter generally comprises parts such as a buoy, a pointer, a steel wire rope, a pulley, a ruler plate and the like, and is widely applied to measurement of corrosive liquid level because the manual measurement and management of the corrosive liquid level are difficult. Chinese patent application No. 202221442436.2 discloses a buoy level gauge device with a simple structure, wherein a buoy is extended into a tank body, a ruler plate of the level gauge is arranged outside the tank body, and the corrosion of corrosive liquid in the tank body to the level gauge is avoided while the measurement is carried out in the tank body. However, because the pulley and the steel wire rope between the tank body and the liquid level meter are exposed outside in the scheme, the exposed pulley and the exposed steel wire rope are easily corroded and rusted in a humid environment.

Therefore, in view of the current situation that the exposed pulleys and steel cables are easily corroded and rusted in a humid environment in the prior art, it is an urgent problem to develop a closed liquid level meter.

Disclosure of Invention

An object of the utility model is to provide and design a closed level gauge to exposing outer pulley and wire rope among the prior art and being corroded rusty problem easily under humid environment.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a closed buoy liquid level meter comprises a buoy, a heavy hammer, a ruler plate, a left corner pulley and a right corner pulley, wherein the heavy hammer is slidably mounted on the ruler plate, a pointer is mounted on the heavy hammer, the buoy is connected with the heavy hammer through a pull rope, and the pull rope bypasses the left corner pulley and the right corner pulley; the left pulley shell is installed at the left corner pulley, the left pulley shell wraps the left corner pulley, the right pulley shell is installed at the right corner pulley, the right pulley shell wraps the right corner pulley, the steel wire rope below the left corner pulley is provided with a pipe seat, a first sleeve is connected between the pipe seat and the left pulley shell, a second sleeve is connected between the left pulley shell and the right pulley shell, a third sleeve is connected between the right pulley shell and the ruler plate, and the steel wire rope penetrates through the first sleeve, the second sleeve and the third sleeve. Through setting up left pulley shell like this, right pulley shell is to the pulley individual protection of corner, through first sleeve pipe, second sleeve pipe and third sleeve pipe are to different sections wire rope protection, realize the wire rope and the pulley seal protection between the jar body and the chi board, prevent the corruption of external environment such as drenching, increase of service life, in addition, the sleeve pipe is direct to be overlapped outside wire rope, the less sleeve pipe of optional diameter, make its and wire rope diameter adaptation, can also play spacing function to wire rope, avoid the skew to rock.

Furthermore, two ends of the first sleeve, two ends of the second sleeve and two ends of the third sleeve are all polytetrafluoroethylene guide ports. The friction between the steel wire rope and the opening of the sleeve is avoided, and the phenomena of sparks, abrasion and the like are avoided.

Furthermore, the bottom of the pipe seat is connected with a fourth sleeve, the steel wire rope penetrates through the fourth sleeve, the fourth sleeve is used for connecting the top of the tank body, the connecting pipe seat can be prefabricated in the process of manufacturing the tank top, a flexible installation space is reserved for the process arrangement and the pre-positioning of the pipeline, the fourth sleeve can be installed above the maintenance opening, so that the buoy can be taken out conveniently, adjustment and maintenance are facilitated, in addition, the sleeve can be used as a breathing opening of the tank body, and an additional opening is not needed.

Further, left pulley shell and right pulley shell all form through half block of shell of two to it is fixed through bolted connection, be provided with the bayonet socket on the half shell, the bayonet socket is used for blocking first sleeve pipe, second sleeve pipe, third sleeve pipe, in order to make things convenient for the dismouting, and the dorsal part of left pulley shell and right pulley shell is provided with the access hole, demountable installation has the access cover on the access hole. Left corner pulley and right corner pulley all have threely and are the arc and distribute, through setting up a plurality of left corner pulleys and right corner pulley, multiplicable stability, the problem that the fault rate is high when avoiding a pulley atress through setting up access hole and access cover, can conveniently overhaul when the pulley breaks down, and the access cover is fixed through bolted connection.

Further, install the guide bar in the chi board, the guide bar is vertical to be arranged, has seted up the guiding hole on the weight, and the weight passes through the guiding hole suit on the guide bar and can slide along the guide bar, and the guide bar plays the direction function, and the both sides utensil of guide bar is provided with the scale mark, and the scale mark is located the chi board, and the pointer has two, and two pointers are located the both sides of weight respectively, and two pointers point to the scale mark of guide bar both sides respectively. Through setting up both sides pointer, can make people can be better observe the liquid level value, can also avoid the heavy hammer wide-angle to rotate simultaneously, lead to the heavy hammer through setting up the guide bar, can effectively avoid the crooked phenomenon of two wire rope's of general structure pointer.

According to the technical scheme, the utility model has the advantages of it is following:

this scheme provides a closed buoy level gauge, through setting up left pulley shell, right pulley shell is to the pulley individual protection of corner, through first sleeve pipe, second sleeve pipe and third sleeve pipe, the fourth sleeve pipe is to different sections wire rope protection, realize wire rope and pulley enclosed protection between the jar body and the chi board, prevent the corruption of external environment such as rain, increase of service life, furthermore, the direct cover of sleeve pipe is outside wire rope, the less sleeve pipe of optional diameter, make its and wire rope diameter adaptation, can also play spacing function to wire rope, avoid the skew to rock.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the embodiment of the present invention after hiding a portion of the sleeve.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 2.

In the figure, 1, a buoy, 2, a steel wire rope, 3, a fourth sleeve, 4, a tube seat, 5, a first sleeve, 6, a left pulley shell, 7, a second sleeve, 8, a right pulley shell, 9, a third sleeve, 10, a heavy hammer, 11, a ruler plate, 12, a guide rod, 13, a scale mark, 14, a pointer, 15, a right corner pulley, 16, an access cover, 17 and a half shell.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, 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 scope of protection of this patent.

As shown in fig. 1 to 4, the present embodiment provides an enclosed type float 1 liquid level meter, which includes a float 1, a weight 10, a ruler plate 11, a left corner pulley and a right corner pulley 15, wherein the weight 10 is slidably mounted on the ruler plate 11, a pointer 14 is mounted on the weight 10, the float 1 is connected to the weight 10 through a pull rope, and the pull rope passes around the left corner pulley and the right corner pulley 15; left pulley shell 6 is installed to left corner pulley department, including left pulley shell 6 wraps up left corner pulley, right corner pulley shell 8 is installed to right corner pulley 15 department, including right pulley shell 8 wraps up right corner pulley 15, the wire rope 2 that is located left corner pulley below is provided with tube socket 4, be connected with first sleeve 5 between tube socket 4 and the left pulley shell 6, be connected with second sleeve 7 between left pulley shell 6 and the right pulley shell 8, be connected with third sleeve 9 between right pulley shell 8 and the chi board 11, wire rope 2 passes first sleeve 5, second sleeve 7 and third sleeve 9.

Wherein, left pulley shell 6 and right pulley shell 8 all form through half shell 17 block of two to it is fixed through bolted connection, be provided with the bayonet socket on half shell 17, the bayonet socket is used for blocking first sleeve 5, second sleeve 7, third sleeve 9, in order to make things convenient for the dismouting, and left pulley shell 6 and right pulley shell 8's dorsal part is provided with the access hole, and demountable installation has access cover 16 on the access hole. Left corner pulley and right corner pulley 15 all have threely and are the arc and distribute, through setting up a plurality of left corner pulleys and right corner pulley 15, multiplicable stability, the problem that the fault rate is high when avoiding a pulley atress through setting up access hole and access cover 16, can conveniently overhaul when the pulley breaks down, and access cover 16 is fixed through bolted connection. The two ends of the first sleeve 5, the two ends of the second sleeve 7 and the two ends of the third sleeve 9 are all polytetrafluoroethylene guide ports, so that the friction between the steel wire rope 2 and the sleeve opening is avoided, and the conditions of sparks, abrasion and the like are avoided.

In addition, the bottom of the pipe seat 4 is connected with a fourth sleeve 3, the steel wire rope 2 penetrates through the fourth sleeve 3, the fourth sleeve 3 is used for connecting the top of the tank body, the connecting pipe seat 4 can be prefabricated in the process of manufacturing the tank top, flexible installation space is reserved for the process arrangement prepositioning of the pipeline, the fourth sleeve 3 can be installed above the access hole, and the buoy 1 can be conveniently taken out, so that adjustment and maintenance are facilitated, in addition, the sleeve can serve as a breathing hole of the tank body to be used, and no additional opening is needed.

In addition, a guide rod 12 is installed in the ruler plate 11, the guide rod 12 is vertically arranged, a guide hole is formed in the heavy hammer 10, the heavy hammer 10 is sleeved on the guide rod 12 through the guide hole and can slide along the guide rod 12, the guide rod 12 has a guiding function, scale marks 13 are arranged on two sides of the guide rod 12, the scale marks 13 are located on the ruler plate 11, two pointers 14 are arranged, the two pointers 14 are located on two sides of the heavy hammer 10 respectively, and the two pointers 14 point to the scale marks 13 on two sides of the guide rod 12 respectively. Through setting up both sides pointer 14, can make people's observation liquid level value better, can also avoid the weight 10 wide-angle to rotate simultaneously, leads through setting up guide bar 12 to weight 10, can effectively avoid the crooked phenomenon of two wire rope 2's of common structure pointer 14.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a closed buoy level gauge, including the buoy, the weight, the chi board, left corner pulley and right corner pulley, weight slidable mounting is on the chi board, install the pointer on the weight, the buoy passes through the stay cord and connects the weight, and the stay cord walks around left corner pulley and right corner pulley, a serial communication port, left side corner pulley department installs left pulley shell, left side pulley shell is including left corner pulley parcel, right corner pulley department installs right pulley shell, right side pulley shell is including right corner pulley parcel, the wire rope that is located left corner pulley below is provided with the tube socket, be connected with first sleeve pipe between tube socket and the left pulley shell, be connected with the second sleeve pipe between left pulley shell and the right pulley shell, be connected with the third sleeve pipe between right pulley shell and the chi board, wire rope passes first sleeve pipe, second sleeve pipe and third sleeve pipe.

2. The enclosed float level gauge of claim 1, wherein both ends of the first sleeve, both ends of the second sleeve, and both ends of the third sleeve are teflon guide ports.

3. The enclosed float level gauge of claim 1, wherein a fourth sleeve is attached to the bottom of the tube holder, and the wire rope passes through the fourth sleeve.

4. The enclosed float level gauge of any one of claims 1 to 3, wherein the left and right pulley housings are each formed by two half shells snap-fitted together.

5. The enclosed float level gauge of claim 4, wherein the housing half is provided with a bayonet for locking the first sleeve, the second sleeve and the third sleeve.

6. The enclosed float level gauge of claim 4, wherein access ports are provided on the back side of the left and right pulley housings, and access covers are detachably mounted on the access ports.

7. The enclosed float level gauge as claimed in any one of claims 1 to 3, wherein the ruler plate has a guide bar installed therein, the guide bar is disposed vertically, and the weight has a guide hole formed therein, and the weight is fitted to the guide bar through the guide hole and is slidable along the guide bar.

8. The enclosed float level gauge as claimed in claim 7, wherein the guide bar is provided at both sides thereof with graduation marks on the scale plate, and the hands are provided with two hands, two hands being respectively provided at both sides of the weight, and two hands being respectively directed to the graduation marks at both sides of the guide bar.

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