CN209131779U - Device with flame-proof type magnetostrictive liquid level sensor - Google Patents
Device with flame-proof type magnetostrictive liquid level sensor Download PDFInfo
- Publication number
- CN209131779U CN209131779U CN201920072387.XU CN201920072387U CN209131779U CN 209131779 U CN209131779 U CN 209131779U CN 201920072387 U CN201920072387 U CN 201920072387U CN 209131779 U CN209131779 U CN 209131779U
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- shell
- measuring staff
- flame
- mounting base
- gland
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides the device with flame-proof type magnetostrictive liquid level sensor, comprising: shell, measuring staff, sealing rubber ring；The inside of shell is arranged in the side of the measuring staff, and the lower end of measuring staff sequentially passes through mounting base, cooling down plate, gland and magnetic ball and is connected with limit plate；Several sealing rubber rings are provided on the outside of the measuring staff upper end, and sealing rubber ring is connected with measuring staff by fitting mode；The inside of shell is arranged in the mounting base, and the upper end of measuring staff is connected with mounting base by screw；The lower end of shell is arranged in the gland, and gland and shell are connected by the mode of being screwed on；Cooling down plate is provided with before the mounting base and gland.By the improvement to the device with flame-proof type magnetostrictive liquid level sensor, have reasonable in design, flame proof effect is good, uses convenient for assembly, the good advantage of protective performance, thus the problem of effective solution existing apparatus and deficiency.
Description
Technical field
The utility model relates to sensor technical fields, more specifically, more particularly to flame-proof type magnetostriction liquid
The device of level sensor.
Background technique
Magnetostrictive liquid level sensor is the high-precision manufactured using magnetostriction principle, ultralong-stroke Absolute position measurement
Sensor.Due to using non-contact measurement, sensor performance is stablized, long service life, and a variety of way of outputs are selective.Cause
And it is widely used in the industries such as petrochemical industry, food, water process, environmental protection, pesticide, papermaking, reservoir, dyestuff, oil pressure machinery and sets
In standby.
Under the adverse circumstances that explosive gas mixture is deposited in use, due to magnetostrictive liquid level sensor shell
In encapsulate electronic chip, electronic chip occur short circuit may cause it is internal generate spark or high-temperature gas, once spark or
High-temperature gas, which leaks, can light the explosive gas mixture of hull outside, initiation serious accident, and existing magnetostriction
The flame proof effect of liquid level sensor is poor, and protection effect is poor, and assembly uses more inconvenient.
In view of this, being studied improvement for existing problem, provide with flame-proof type magnetostrictive liquid level sensor
Device, it is intended to by the technology, achieve the purpose that solve the problems, such as with improve practical value.
Summary of the invention
The purpose of this utility model is to provide the devices with flame-proof type magnetostrictive liquid level sensor, above-mentioned to solve
The flame proof effect proposed in background technique is poor, and assembly uses more inconvenient problem and deficiency.
To achieve the above object, the utility model provides the device with flame-proof type magnetostrictive liquid level sensor, by
Technological means is reached in detail below:
Device with flame-proof type magnetostrictive liquid level sensor, comprising: shell, measuring staff, sealing rubber ring, mounting base, drop
Warm coldplate, gland, ring flange, magnetic ball, limit plate, capping, cable connector, nut, gasket, clamping ring, clamp jaw, into tight spiral shell
Cap, thread-protected tube, signal wire；The inside of shell is arranged in the side of the measuring staff, and the lower end of measuring staff sequentially passes through mounting base, drop
Warm coldplate, gland and magnetic ball are connected with limit plate；It is provided with several sealing rubber rings on the outside of the measuring staff upper end, and seals
Cushion rubber is connected with measuring staff by fitting mode；The inside of shell, and the upper end of measuring staff and mounting base is arranged in the mounting base
It is connected by screw；The lower end of shell is arranged in the gland, and gland and shell are connected by the mode of being screwed on；The installation
It is provided with cooling down plate before seat and gland, and cooling down sleeve-board is located at the outside of measuring staff；It is set on the outside of the mounting base
It is equipped with ring flange, and ring flange and mounting base are connected by the mode of being screwed on；The lower end of the measuring staff is provided with limit plate, and limits
Plate is connected with measuring staff by screw；The upper end of the shell is provided with capping, and capping is connected with shell by the mode of being screwed on
It connects；Cable connector is provided in the capping, and the lower end of cable connector is connected through capping and gasket and with nut；It is described
It is provided with clamping ring on the inside of cable connector upper end, and is provided with clamp jaw on the outside of clamping ring；It is described to exist into the setting of tight nut
The upper end of cable connector, and be connected into tight nut with cable connector by the mode of being screwed on；The upper end into tight nut is arranged
There is thread-protected tube, and thread-protected tube is connected with into tight nut by fitting mode；One end of the signal wire sequentially pass through thread-protected tube,
Clamping ring and cable connector protrude into the inside of shell.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
The shell is set as cylindrical structure setting, and is provided with internal screw thread on the inside of shell, the material of shell is 316L stainless steel.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
The material for setting the cooling down plate is metal transpiration cooling material, and the center of cooling down plate offers and matches with measuring staff
Run through through-hole.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
The mounting base is set as the setting of flat cylindrical-shaped structure, and the center of mounting base offer matched with measuring staff through logical
Hole is provided with the external screw thread that outer casing screw matches on the outside of mounting base.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
The sealing rubber ring is set to be located at the port at gland both ends, and the outer diameter of sealing rubber ring it is 0.50MM bigger than the outer diameter of measuring staff~
0.75MM, sealing rubber ring are O-shaped ring.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
Set the shell and gland, the junction of capping is provided with explosion-proof cushion rubber, and the upper and lower ends of shell offer it is anti-for accommodating
The rectangle groove of quick-fried cushion rubber, the explosion-proof cushion rubber are foaming type ethylene propylene diene rubber, and the groove width of the groove is that explosion-proof cushion rubber is straight
1~1.05 times of diameter.
As advanced optimizing for the technical program, the utility model has the dress of flame-proof type magnetostrictive liquid level sensor
Setting the thread-protected tube is stainless steel corrugated flexible hose, and it is seam allowance formula structure setting that thread-protected tube, which extends into one end of tight nut,.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model passes through the material of cooling down plate as metal transpiration cooling material, and the center of cooling down plate
The setting through through-hole matched with measuring staff is offered, when explosion generates high-temperature gas and flame in shell, cooling down plate
In low-melting-point metal evaporation endothermic, drastically reduce flame temperature, it made to be unable to reach ignition temperature.
2, the utility model is the setting of flat cylindrical-shaped structure by mounting base, and the center of mounting base offers and surveys
What bar matched is provided with the externally threaded setting that outer casing screw matches on the outside of through-hole, mounting base, can pass through installation
Seat is fixed inside the housing by one end of measuring staff, convenient for the assembly of measuring staff.
3, the utility model is provided with explosion-proof cushion rubber by the junction of shell and gland, capping, and up and down the two of shell
End offers the rectangle groove for accommodating explosion-proof cushion rubber, and the explosion-proof cushion rubber is foaming type ethylene propylene diene rubber, the groove
Groove width be antiexplosion adhesive loop diameter 1~1.05 times of setting, the ratio between boundary's sectional area of the explosion-proof cushion rubber that foams and trench cross section product
Between 94%~98%, guarantee that sealed pathway protective performance reaches defined requirement.
4, the utility model is set by the improvement to the device with flame-proof type magnetostrictive liquid level sensor with structure
Rationally, flame proof effect is good for meter, uses convenient for assembly, protective performance good advantage, so that effective solution the utility model exists
The problem of being proposed in background technique one and deficiency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A of the utility model；
Fig. 3 is enlarged structure schematic diagram at the B of the utility model.
In figure: shell 1, measuring staff 2, sealing rubber ring 3, mounting base 4, cooling down plate 5, gland 6, ring flange 7, magnetic ball 8, limit
Position plate 9, capping 10, cable connector 11, nut 12, gasket 13, clamping ring 14, clamp jaw 15, into tight nut 16, thread-protected tube 17,
Signal wire 18.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 3, the utility model provides the specific of the device with flame-proof type magnetostrictive liquid level sensor
Implementer's case:
Device with flame-proof type magnetostrictive liquid level sensor, comprising: shell 1, measuring staff 2, sealing rubber ring 3, mounting base
4, cooling down plate 5, gland 6, ring flange 7, magnetic ball 8, limit plate 9, capping 10, cable connector 11, nut 12, gasket 13, folder
Collar 14, clamp jaw 15, into tight nut 16, thread-protected tube 17, signal wire 18；The inside of shell 1 is arranged in the side of measuring staff 2, and
The lower end of measuring staff 2 sequentially passes through mounting base 4, cooling down plate 5, gland 6 and magnetic ball 8 and is connected with limit plate 9；2 upper end of measuring staff
Outside be provided with several sealing rubber rings 3, and sealing rubber ring 3 is connected with measuring staff 2 by fitting mode；The setting of mounting base 4 exists
The inside of shell 1, and the upper end of measuring staff 2 is connected with mounting base 4 by screw；The lower end of shell 1 is arranged in gland 6, and presses
Lid 6 is connect with shell 1 by the mode of being screwed on；Cooling down plate 5, and cooling down plate 5 are provided with before mounting base 4 and gland 6
It is set in the outside of measuring staff 2；The outside of mounting base 4 is provided with ring flange 7, and ring flange 7 is connected with mounting base 4 by the mode of being screwed on
It connects；The lower end of measuring staff 2 is provided with limit plate 9, and limit plate 9 is connected with measuring staff 2 by screw；The upper end of shell 1 is provided with
Capping 10, and cover 10 and be connected with shell 1 by the mode of being screwed on；Cable connector 11, and cable connector are provided in capping 10
11 lower end is connected through capping 10 and gasket 13 and with nut 12；Cable connector is provided with clamping ring on the inside of 11 upper end
14, and the outside of clamping ring 14 is provided with clamp jaw 15；The upper end of cable connector 11 is set into tight nut 16, and into tight nut
16 are connected with cable connector 11 by the mode of being screwed on；The upper end of tight nut 16 is provided with thread-protected tube 17, and thread-protected tube 17 with
It is connected into tight nut 16 by fitting mode；One end of signal wire 18 sequentially passes through thread-protected tube 17, clamping ring 14 and cable and connects
First 11 protrude into the inside of shell 1.
Specifically, shell 1 is cylindrical structure setting, and the inside of shell 1 is provided with internal screw thread, and the material of shell 1 is
It is firm reliable to make shell 1 for 316L stainless steel, while being easily installed seat 4, gland 6 and the installation for covering 10.
Specifically, the material of cooling down plate 5 is metal transpiration cooling material, and the center of cooling down plate 5 offers
When the explosion generation high-temperature gas in through-hole, shell 1 and flame that match with measuring staff 2, cooling down plate 5 passes through mounting base
4 absorb heat, and the low-melting-point metal evaporation endothermic in cooling down plate 5, drastically reduces flame temperature at this time, can not light shell
Outer explosive mixture.
Specifically, mounting base 4 is the setting of flat cylindrical-shaped structure, and the center of mounting base 4 offers and matches with measuring staff 2
That closes runs through through-hole, and the outside of mounting base 4 is provided with the external screw thread that 1 screw thread of shell matches, can be by mounting base 4 by measuring staff 2
One end be fixed on inside shell 1, convenient for the assembly of measuring staff 2.
Specifically, sealing rubber ring 3 is located at the port at 6 both ends of gland, and the outer diameter of sealing rubber ring 3 is than the outer diameter of measuring staff 2
Big 0.50MM~0.75MM, sealing rubber ring 3 are that sealing rubber ring 3 is mounted on groove after processing groove on measuring staff 2 by O-shaped ring
It is interior.
Specifically, the junction of shell 1 and gland 6, capping 10 is provided with explosion-proof cushion rubber, and the upper and lower ends of shell 1 are opened
Equipped with the rectangle groove for accommodating explosion-proof cushion rubber, explosion-proof cushion rubber is foaming type ethylene propylene diene rubber, and the groove width of groove is explosion-proof
1~1.05 times of cushion rubber diameter, since the compression volume of the explosion-proof cushion rubber of foaming type is larger, the boundary's sectional area for the explosion-proof cushion rubber that makes to foam
With the ratio between trench cross section product between 94%~98%, to guarantee that sealed pathway protective performance reaches defined requirement.
Specifically, thread-protected tube 17 is stainless steel corrugated flexible hose, and it is seam allowance that thread-protected tube 17, which extends into one end of tight nut 16,
Formula structure setting can play protective action to signal wire 18.
Specific implementation step:
Assembled is carried out to device, mounting base 4 is screwed to the inside for being fixed on shell 1 first, later from the top of shell 1
Measuring staff 2 is protruded into shell 1, and the upper end of measuring staff 2 is fixed in mounting base 4 by screw, then again by gland 6 and capping 10
Screw the both ends for being fixed on shell 1, when explosion generates high-temperature gas and when flame in shell 1, high-temperature gas and flame spray to
Mounting base 4, mounting base 4 is by heat transmission to cooling down plate 5, the low-melting-point metal evaporation endothermic in cooling down plate 5 at this time,
Drastically reduce gas and flame temperature, wherein the high-temperature gas after cooling passes through shell 1 and gland 6, the joint surface for covering 10
It sprays to outside shell, the explosive mixture outside shell can not be lighted, to improve the flame proof effect of device, in addition signal wire 18 is to pass through
Thread-protected tube 17, clamping ring 14 and cable connector 11 protrude into inside shell 1, and can be screwed into tight nut 16 makes clamp jaw 15 drive folder
14 deformation of collar, to guarantee the sealing effect of point of incoming cables to 18 held tight of signal wire.
In summary: this has the device of flame-proof type magnetostrictive liquid level sensor, and the material by cooling down plate is
Metal transpiration cooling material, and the center of cooling down plate offers the setting through through-hole matched with measuring staff, in shell
Explosion generates high-temperature gas and when flame, and the low-melting-point metal evaporation endothermic in cooling down plate drastically reduces flame temperature,
It is set to be unable to reach ignition temperature；By mounting base be flat cylindrical-shaped structure setting, and the center of mounting base offer with
What measuring staff matched is provided with the externally threaded setting that outer casing screw matches on the outside of through-hole, mounting base, can pass through peace
Seat is filled one end of measuring staff is fixed inside the housing, convenient for the assembly of measuring staff；It is arranged by the junction of shell and gland, capping
There is explosion-proof cushion rubber, and the upper and lower ends of shell offer the rectangle groove for accommodating explosion-proof cushion rubber, the explosion-proof cushion rubber is hair
Bubble ethylene propylene diene rubber, the groove width of the groove are 1~1.05 times of setting of antiexplosion adhesive loop diameter, and foam explosion-proof cushion rubber
The ratio between boundary's sectional area and trench cross section product are to guarantee that sealed pathway protective performance reaches defined requirement between 94%~98%；It is logical
Cross the improvement to the device with flame-proof type magnetostrictive liquid level sensor, have it is reasonable in design, flame proof effect is good, is convenient for
Assembly uses, the good advantage of protective performance, thus asking of proposing in background technique one of effective solution the utility model
Topic and deficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. the device with flame-proof type magnetostrictive liquid level sensor, comprising: shell (1), measuring staff (2), sealing rubber ring (3), peace
Fill seat (4), cooling down plate (5), gland (6), ring flange (7), magnetic ball (8), limit plate (9), capping (10), cable connector
(11), nut (12), gasket (13), clamping ring (14), clamp jaw (15), into tight nut (16), thread-protected tube (17), signal wire
(18)；It is characterized by: the side of the measuring staff (2) is arranged in the inside of shell (1), and the lower end of measuring staff (2) sequentially passes through
Mounting base (4), cooling down plate (5), gland (6) and magnetic ball (8) are connected with limit plate (9)；Outside measuring staff (2) upper end
Side is provided with several sealing rubber rings (3), and sealing rubber ring (3) is connected with measuring staff (2) by fitting mode；The mounting base
(4) it is arranged in the inside of shell (1), and the upper end of measuring staff (2) is connected with mounting base (4) by screw；The gland (6) sets
The lower end in shell (1) is set, and gland (6) is connect with shell (1) by the mode of being screwed on；The mounting base (4) and gland (6) it
Before be provided with cooling down plate (5), and cooling down plate (5) is set in the outside of measuring staff (2)；The outside of the mounting base (4)
It is provided with ring flange (7), and ring flange (7) is connect with mounting base (4) by the mode of being screwed on；The lower end of the measuring staff (2) is arranged
Have limit plate (9), and limit plate (9) is connected with measuring staff (2) by screw；The upper end of the shell (1) is provided with capping
(10), and capping (10) is connected with shell (1) by the mode of being screwed on；Cable connector (11) are provided on the capping (10),
And the lower end of cable connector (11) is connected through capping (10) and gasket (13) and with nut (12)；The cable connector (11)
It is provided on the inside of upper end clamping ring (14), and is provided with clamp jaw (15) on the outside of clamping ring (14)；It is described into tight nut
(16) setting is connected with cable connector (11) by the mode of being screwed in the upper end of cable connector (11), and into tight nut (16)；
The upper end into tight nut (16) is provided with thread-protected tube (17), and thread-protected tube (17) with into tight nut (16) pass through fitting mode
It is connected；One end of the signal wire (18) sequentially passes through thread-protected tube (17), clamping ring (14) and cable connector (11) and protrudes into outside
The inside of shell (1).
2. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: described outer
Shell (1) is cylindrical structure setting, and internal screw thread is provided on the inside of shell (1), and the material of shell (1) is 316L stainless steel.
3. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: the drop
The material of warm coldplate (5) is metal transpiration cooling material, and the center of cooling down plate (5) offers and matches with measuring staff (2)
That closes runs through through-hole.
4. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: the peace
Fill seat (4) be flat cylindrical-shaped structure be arranged, and the center of mounting base (4) offer matched with measuring staff (2) run through lead to
Hole is provided with the external screw thread that shell (1) screw thread matches on the outside of mounting base (4).
5. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: described close
Sealing rubber ring (3) is located at the port at gland (6) both ends, and the outer diameter of sealing rubber ring (3) it is 0.50MM bigger than the outer diameter of measuring staff (2)~
0.75MM, sealing rubber ring (3) are O-shaped ring.
6. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: described outer
The junction of shell (1) and gland (6), capping (10) is provided with explosion-proof cushion rubber, and the upper and lower ends of shell (1) are offered for holding
Receive the rectangle groove of explosion-proof cushion rubber, the explosion-proof cushion rubber is foaming type ethylene propylene diene rubber, and the groove width of the groove is antiexplosion adhesive
1~1.05 times of loop diameter.
7. the device according to claim 1 with flame-proof type magnetostrictive liquid level sensor, it is characterised in that: the shield
Spool (17) is stainless steel corrugated flexible hose, and it is seam allowance formula structure setting that thread-protected tube (17), which extends into one end of tight nut (16),.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072387.XU CN209131779U (en) | 2019-01-16 | 2019-01-16 | Device with flame-proof type magnetostrictive liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072387.XU CN209131779U (en) | 2019-01-16 | 2019-01-16 | Device with flame-proof type magnetostrictive liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131779U true CN209131779U (en) | 2019-07-19 |
Family
ID=67249974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920072387.XU Expired - Fee Related CN209131779U (en) | 2019-01-16 | 2019-01-16 | Device with flame-proof type magnetostrictive liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209131779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637923A (en) * | 2020-05-26 | 2020-09-08 | 深圳市海洋王照明工程有限公司 | Temperature and humidity detector |
| CN112097818A (en) * | 2020-09-28 | 2020-12-18 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
-
2019
- 2019-01-16 CN CN201920072387.XU patent/CN209131779U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637923A (en) * | 2020-05-26 | 2020-09-08 | 深圳市海洋王照明工程有限公司 | Temperature and humidity detector |
| CN112097818A (en) * | 2020-09-28 | 2020-12-18 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
| CN112097818B (en) * | 2020-09-28 | 2022-03-08 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |