CN213422312U

CN213422312U - High-pressure liquid level switch

Info

Publication number: CN213422312U
Application number: CN202022716600.1U
Authority: CN
Inventors: 王峰; 李建涛; 王东豪
Original assignee: Jinan Ketie Railway Accessories Co ltd
Current assignee: Jinan Ketie Railway Accessories Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-11
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a high pressure liquid level switch, which comprises an upper housing, the lower extreme surface of going up the casing is provided with down the casing, the side surface of going up casing and casing down is provided with rubber seal. Set up the cardboard through the inboard surface at last casing and lower casing, be provided with the pipeline between the cardboard, place the steel ball between the pipeline, be favorable to the steel ball roll, prevent that the steel ball from blocking between last casing and lower casing, cause level switch's inefficacy, and one side that the pipeline is connected with the rocker is provided with the preformed groove, it moves to be favorable to driving the rocker when the steel ball rolls, thereby control switch assembly, through being provided with fixture block and through-hole between last casing and the lower casing, be convenient for go up the casing and install down between the casing, side surface through last casing and lower casing junction sets up rubber seal, not only be favorable to preventing the inside intake of casing, still be convenient for go up casing and lower casing dismantlement, thereby be convenient for overhaul switch assembly.

Description

High-pressure liquid level switch

Technical Field

The utility model relates to a liquid level switch field, in particular to high-pressure liquid level switch.

Background

The liquid level switch is a common sensor for measuring the liquid level position, when the liquid level reaches or is lower than a certain height, an alarm signal is output, the trace of the liquid level switch can not be found easily in the industries of steel, chemical engineering, medicine, food, beverage and the like, but the liquid level switches adapted to the liquid level switch are different due to the complex field working condition; generally, a float level switch, an electrode type level switch, a photoelectric level switch, a tuning fork level switch, etc. are mainly used. In the existing high-pressure floating ball liquid level switch, an internal floating ball is usually connected with a shell, so that the floating ball is easy to cause position deviation or is clamped in the shell in the moving process, the shell is generally not detachable, once an internal component is damaged, the high-pressure liquid level switch reports waste, and resource waste is caused.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high-pressure liquid level switch, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-pressure liquid level switch, includes the upper casing, the lower extreme surface of upper casing is provided with down the casing, the side surface of upper casing and lower casing is provided with rubber seal, the one end of upper casing and lower casing all is provided with the wire casing, the upper end surface of casing is provided with the fixture block down, the inboard surface of upper casing and lower casing is provided with cardboard and switch module, switch module's rear end surface is provided with the rocker, the rear end surface of rocker is provided with the pipeline, the inboard surface of pipeline is provided with the steel ball.

Preferably, a reserved groove is formed in the joint of the rocker and the pipeline, the rocker is movably connected with the pipeline through the reserved groove, and the rocker is movably connected with the upper shell and the lower shell respectively.

By adopting the technical scheme, the following technical effects can be achieved: the rocker is favorable for the steel ball to control the switch assembly in the moving process, and the preformed groove is convenient for the rocker to move.

Preferably, be swing joint between steel ball and the pipeline, be fixed connection between switch module and the lower casing, the one end surface of pipeline is provided with the bottom plate, be fixed connection between bottom plate and the pipeline, the quantity of wire casing is two sets of, the wire casing is the symmetry and arranges.

By adopting the technical scheme, the following technical effects can be achieved: the wire casing is favorable to fixed electric wire, and the pipeline is favorable to providing movable track for the steel ball, prevents that the steel ball card from taking place the skew in inside or the position of casing.

Preferably, be fixed connection between fixture block and the lower casing, the quantity of fixture block is a plurality of groups, the fixture block is the array and arranges, the shape of fixture block is cylindrically, the shape of going up casing and lower casing is the rectangle respectively.

By adopting the technical scheme, the following technical effects can be achieved: the clamping block is favorable for being clamped into the through hole, so that the upper shell and the lower shell are conveniently connected.

Preferably, the joint of the fixture block and the upper shell is provided with through holes, the upper shell is movably connected with the lower shell through the through holes and the fixture block, the number of the through holes is a plurality of groups, and the through holes are arranged in an array.

By adopting the technical scheme, the following technical effects can be achieved: go up the casing and be favorable to protecting switch module with lower casing, prevent that switch module from intaking and damaging.

Preferably, the rubber seal ring is movably connected with the upper casing and the lower casing respectively, the clamping plates are fixedly connected with the upper casing and the lower casing respectively, the clamping plates are arranged in a plurality of groups, and the clamping plates are movably connected with the pipeline.

By adopting the technical scheme, the following technical effects can be achieved: the rubber sealing ring is not only favorable for sealing the joint of the upper shell and the lower shell, but also favorable for being disassembled between the upper shell and the lower shell.

Compared with the prior art, the utility model discloses following beneficial effect has: set up the cardboard through the inboard surface at last casing and lower casing, be provided with the pipeline between the cardboard, place the steel ball between the pipeline, be favorable to the steel ball roll, prevent that the steel ball from blocking between last casing and lower casing, cause level switch's inefficacy, and one side that the pipeline is connected with the rocker is provided with the preformed groove, it moves to be favorable to driving the rocker when the steel ball rolls, thereby control switch assembly, through being provided with fixture block and through-hole between last casing and the lower casing, be convenient for go up the casing and install down between the casing, side surface through last casing and lower casing junction sets up rubber seal, not only be favorable to preventing the inside intake of casing, still be convenient for go up casing and lower casing dismantlement, thereby be convenient for overhaul switch assembly.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-pressure liquid level switch of the present invention;

FIG. 2 is a view of the internal structure of a high pressure liquid level switch according to the present invention;

FIG. 3 is a side sectional view of a housing of a high pressure liquid level switch of the present invention;

fig. 4 is a partially exploded view of the housing of the high pressure level switch of the present invention.

In the figure: 1. an upper housing; 2. a lower housing; 3. a rubber seal ring; 4. a wire slot; 5. a through hole; 6. a clamping block; 7. clamping a plate; 8. a switch assembly; 9. a rocker; 10. a pipeline; 11. reserving a groove; 12. and (5) steel balls.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a high-pressure liquid level switch, including upper casing 1, the lower extreme surface of upper casing 1 is provided with lower casing 2, the side surface of upper casing 1 and lower casing 2 is provided with rubber seal 3, the one end of upper casing 1 and lower casing 2 all is provided with wire casing 4, the upper end surface of lower casing 2 is provided with fixture block 6, the inboard surface of upper casing 1 and lower casing 2 is provided with cardboard 7 and switch module 8, the rear end surface of switch module 8 is provided with rocker 9, the rear end surface of rocker 9 is provided with pipeline 10, the inboard surface of pipeline 10 is provided with steel ball 12.

A reserved groove 11 is formed in the joint of the rocker 9 and the pipeline 10, the rocker 9 is movably connected with the pipeline 10 through the reserved groove 11, the rocker 9 is movably connected with the upper shell 1 and the lower shell 2 respectively, the rocker 9 is favorable for controlling the switch assembly 8 by the steel ball 12 in the moving process, and the reserved groove 11 is convenient for the rocker 9 to move.

Be swing joint between steel ball 12 and the pipeline 10, be fixed connection between switch module 8 and the lower casing 2, the one end surface of pipeline 10 is provided with the bottom plate, be fixed connection between bottom plate and the pipeline 10, the quantity of wire casing 4 is two sets of, wire casing 4 is the symmetry and arranges, wire casing 4 is favorable to fixing the electric wire, pipeline 10 is favorable to providing movable track for steel ball 12, prevent that steel ball 12 card from taking place the skew in inside or the position of casing.

For fixed connection between fixture block 6 and the lower casing 2, the quantity of fixture block 6 is a plurality of groups, and fixture block 6 is the array and arranges, and the shape of fixture block 6 is cylindrically, goes up casing 1 and casing 2's shape down and is the rectangle respectively, and fixture block 6 is favorable to the card to advance in the through-hole 5 to be convenient for go up casing 1 and be connected between the casing 2 down.

The junction of fixture block 6 and last casing 1 is provided with through-hole 5, goes up casing 1 through-hole 5 and fixture block 6 and be swing joint down between casing 2, and the quantity of through-hole 5 is a plurality of groups, and through-hole 5 is the array and arranges, goes up casing 1 and casing 2 down and is favorable to protecting switch module 8, prevents that switch module 8 from intaking and damaging.

Rubber seal 3 respectively with last casing 1 and casing 2 swing joint down, cardboard 7 respectively with last casing 1 and casing 2 fixed connection down, the quantity of cardboard 7 is a plurality of groups, cardboard 7 is the array and arranges, be swing joint between cardboard 7 and the pipeline 10, rubber seal 3 not only is favorable to sealing up last casing 1 and casing 2's junction down, still is favorable to dismantling between last casing 1 and the casing 2 down.

It should be noted that, the utility model relates to a high-pressure liquid level switch, when using, the user firstly puts the steel ball 12 into the pipeline 10, then puts the pipeline 10 into the upper casing 1 and blocks between the clamping plates 7 in the lower casing 2, the clamping plates 7 can fix the pipeline 10, the pipeline 10 is favorable for the steel ball 12 to roll, thereby being favorable for preventing the steel ball 12 from blocking between the upper casing 1 and the lower casing 2 and being immovable, leading to the failure of the high-pressure liquid level switch, when the switch assembly 8 breaks down and needs to be maintained, the user can take the rubber sealing ring 3 off from the upper casing 1 and the lower casing 2, then the upper casing 1 is opened and the lower casing 2 is taken out to be maintained, then the user puts the maintained switch assembly 8 or a new switch assembly 8 into the lower casing 2, the through hole 5 on the upper casing 1 is aligned with the clamping block 6 on the lower casing 2 to make the upper casing 1 and the lower casing 2 close, and finally, the rubber sealing ring 3 is wrapped at the joint of the upper shell 1 and the lower shell 2, so that the shell can be kept in a sealing state.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high-pressure liquid level switch comprises an upper shell (1), and is characterized in that: the outer surface of the lower end of the upper shell (1) is provided with a lower shell (2), the outer surfaces of the side ends of the upper shell (1) and the lower shell (2) are provided with rubber sealing rings (3), one ends of the upper shell (1) and the lower shell (2) are provided with wire grooves (4), the outer surface of the upper end of the lower shell (2) is provided with clamping blocks (6), the outer surfaces of the inner sides of the upper shell (1) and the lower shell (2) are provided with clamping plates (7) and switch assemblies (8), the outer surface of the rear end of each switch assembly (8) is provided with a rocker (9), the outer surface of the rear end of each rocker (9) is provided with a pipeline (10), and the outer surface of the inner side of each pipeline (.

2. A high pressure liquid level switch according to claim 1, wherein: a reserved groove (11) is formed in the joint of the rocker (9) and the pipeline (10), the rocker (9) is movably connected with the pipeline (10) through the reserved groove (11), and the rocker (9) is movably connected with the upper shell (1) and the lower shell (2) respectively.

3. A high pressure liquid level switch according to claim 1, wherein: be swing joint between steel ball (12) and pipeline (10), be fixed connection between switch module (8) and lower casing (2), the one end surface of pipeline (10) is provided with the bottom plate, be fixed connection between bottom plate and pipeline (10), the quantity of wire casing (4) is two sets of, wire casing (4) are the symmetry and arrange.

4. A high pressure liquid level switch according to claim 1, wherein: the fixture blocks (6) are fixedly connected with the lower shell (2), the number of the fixture blocks (6) is a plurality of groups, the fixture blocks (6) are arranged in an array mode, the fixture blocks (6) are cylindrical, and the upper shell (1) and the lower shell (2) are respectively rectangular in shape.

5. A high pressure liquid level switch according to claim 1, wherein: the fixture block (6) is provided with through-hole (5) with the junction of last casing (1), go up casing (1) through-hole (5) and fixture block (6) and be swing joint between casing (2) down, the quantity of through-hole (5) is a plurality of groups, through-hole (5) are the array and arrange.

6. A high pressure liquid level switch according to claim 1, wherein: rubber seal (3) respectively with last casing (1) and casing (2) swing joint down, cardboard (7) respectively with last casing (1) and casing (2) fixed connection down, the quantity of cardboard (7) is a plurality of groups, cardboard (7) are the array and arrange, be swing joint between cardboard (7) and pipeline (10).