CN209673283U - A kind of pressure sensor that crushing resistance is strong - Google Patents
A kind of pressure sensor that crushing resistance is strong Download PDFInfo
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- CN209673283U CN209673283U CN201920122746.8U CN201920122746U CN209673283U CN 209673283 U CN209673283 U CN 209673283U CN 201920122746 U CN201920122746 U CN 201920122746U CN 209673283 U CN209673283 U CN 209673283U
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- pressure sensor
- sensor body
- cavity
- air sac
- sac cover
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Abstract
The utility model discloses a kind of pressure sensors that crushing resistance is strong, including pressure sensor body, the outer surface fixing sleeve of the pressure sensor body is equipped with preventing rubber circle, and the inner sidewall of preventing rubber circle and the outer surface of pressure sensor body form cavity, Air sac cover is provided in the cavity, and Air sac cover is sheathed on the outer surface of pressure sensor body, the inside of the preventing rubber circle offers cavity, and cavity inside is fixed with several springs, the outer surface on the pressure sensor body top is arranged with mounting plate；It is inflated by gas nozzle and air injection pipe into Air sac cover; so that Air sac cover is expanded and is full of inside cavity; when pressure sensor body is hit by the external world; first layer protection is carried out under the action of elastometric boot; impact force is slowed down by the spring in elastometric boot; second layer protection is carried out to pressure sensor body by Air sac cover again, to provide better protecting effect for pressure sensor body.
Description
Technical field
The utility model belongs to pressure sensor technique field, and in particular to a kind of pressure sensor that crushing resistance is strong.
Background technique
Pressure sensor is a kind of sensor the most commonly used in industrial practice, is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship,
The output of numerous industries such as lathe, pipeline, general usual pressure sensor is analog signal, and analog signal refers to that information parameter exists
Continuous signal is shown as in given range, or in one section of continuous time interval, the characteristic quantity of representative information can be
Any moment is rendered as the signal of any number, and our usually used pressure sensors are mainly made using piezoelectric effect
, such sensor is also referred to as piezoelectric transducer.
Currently, pressure sensor is when in use since the protective of itself is poor, to meet with vulnerable to extraneous collision
To damage, and existing pressure sensor all has certain pressure limitation, if pressure to be measured is more than the pressure of pressure sensor
After power limit, so that pressure sensor can be damaged, leads to the pressure data inaccuracy of measurement, be easy to cause safety accident.
Utility model content
The purpose of this utility model is to provide a kind of pressure sensors that crushing resistance is strong, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of pressure sensor that crushing resistance is strong, packet
Pressure sensor body is included, the outer surface fixing sleeve of the pressure sensor body is equipped with preventing rubber circle, and preventing rubber circle
Inner sidewall and the outer surface of pressure sensor body form cavity, be provided with Air sac cover in the cavity, and Air sac cover is arranged
Offer cavity in the inside of the outer surface of pressure sensor body, the preventing rubber circle, and if cavity inside be fixed with
Dry spring, the outer surface on the pressure sensor body top are arranged with mounting plate, the fixed peace in the upper surface of the mounting plate
Dress is there are four electric pushrod, and four electric pushrods are connected by conducting wire with pressure sensor body, the electric pushrod it is defeated
Enter the touch switch output end being arranged inside end and pressure sensor body to be electrically connected, the input terminal and pressure of the touch switch
The output end of pressure-sensing device is electrically connected in force snesor.
Preferably, the Air sac cover is connected by air injection pipe with the outside of elastometric boot, and the air injection pipe is located at rubber
One end outside glue protective jacket is fixed with gas nozzle.
Preferably, the upper surface of the mounting plate is fixed with protrusion.
Preferably, the lateral wall of the protrusion is opened up there are four threaded hole, and is threaded with peace in four threaded holes
Fill bolt.
Preferably, the installation bolt and electric pushrod are successively spaced setting.
Preferably, the top of the electric pushrod movable axis is slightly below the top of pressure sensor body.
Compared with prior art, the utility model has the beneficial effects that
(1) it is inflated by gas nozzle and air injection pipe into Air sac cover, so that Air sac cover is expanded and is full of inside cavity, when
When pressure sensor body is hit by the external world, first layer protection is carried out under the action of elastometric boot, by elastometric boot
Interior spring slows down impact force, then carries out second layer protection to pressure sensor body by Air sac cover, to be pressure sensor
Ontology provides better protecting effect.
(2) after pressure is more than the pressure limitation of pressure sensor body, the touch inside pressure sensor body is touched
It switchs and electric pushrod is powered, the movable elongate axis of electric pushrod prevents object to give pressure object one support force
Body, which continues to push, causes pressure sensor to damage, and the crushing resistance of pressure sensor is effectively raised, to ensure pressure sensing
The service life of device ontology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model mounting plate solid；
Fig. 3 is the structural schematic diagram amplified at the utility model A；
In figure: 1, pressure sensor body；2, preventing rubber circle；3, cavity；4, Air sac cover；5, air injection pipe；6, gas nozzle；7,
Cavity；8, spring；9, mounting plate；10, electric pushrod；11, threaded hole；12, bolt is installed.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of pressure sensor that crushing resistance is strong, including
Pressure sensor body 1, the outer surface fixing sleeve of pressure sensor body 1 are equipped with preventing rubber circle 2, and preventing rubber circle 2
The outer surface of inner sidewall and pressure sensor body 1 forms cavity 3, is provided with Air sac cover 4 in cavity 3, and Air sac cover 4 is sheathed on
The outer surface of pressure sensor body 1, the inside of preventing rubber circle 2 offer cavity 7, and are fixed with inside cavity 7 several
A spring 8, the outer surface on 1 top of pressure sensor body are arranged with mounting plate 9, and the upper surface of mounting plate 9 is fixedly installed with four
A electric pushrod 10, and four electric pushrods 10 are connected by conducting wire with pressure sensor body 1, the input terminal of electric pushrod 10
It is electrically connected with the touch switch output end being arranged inside pressure sensor body 1, the input terminal and pressure sensing of touch switch
The output end of pressure-sensing device is electrically connected in device.
In the present embodiment, after pressure is more than the pressure limitation of pressure sensor body 1, pressure-sensing device touches pressure
Touch switch inside sensor body 1 simultaneously makes electric pushrod 10 be powered, and the movable elongate axis of electric pushrod 10 is to give
One support force of pressure object, the model model of electric pushrod 10 can be ZTHT10001.
It in the present embodiment, is inflated by gas nozzle 6 and air injection pipe 5 into Air sac cover 4, so that the expansion of Air sac cover 4 is simultaneously
Inside cavity 3, when pressure sensor body 1 is hit by the external world, first layer is carried out under the action of elastometric boot
Protection slows down impact force by the spring 8 in elastometric boot, then carries out second layer guarantor to pressure sensor body 1 by Air sac cover 4
Shield, so that better protecting effect is provided for pressure sensor body 1, when the pressure that pressure is more than pressure sensor body 1 limits
After degree, pressure-sensing device touches the touch switch inside pressure sensor body 1 and electric pushrod 10 is powered, electronic to push away
For the movable elongate axis of bar 10 to give pressure object one support force, preventing object from continuing pushing causes pressure sensor to damage
It is bad, the crushing resistance of pressure sensor is effectively raised, to ensure the service life of pressure sensor body 1.
Further, Air sac cover 4 is connected by air injection pipe 5 with the outside of elastometric boot, and air injection pipe 5 is anti-positioned at rubber
One end outside sheath is fixed with gas nozzle 6, is inflated by gas nozzle 6 and air injection pipe 5 into Air sac cover 4, so that Air sac cover 4
It expands and is full of inside cavity 3.
Further, the upper surface of mounting plate 9 is fixed with protrusion, and raised setting is consequently facilitating installation bolt 12 is consolidated
It is set for industry.
Further, raised lateral wall is opened up there are four threaded hole 11, and is threaded in four threaded holes 11
Bolt 12 is installed, by the setting of setting threaded hole 11 and installation bolt 12, so as to carry out installation and removal to mounting plate 9
Operation, it is more convenient to use.
Further, bolt 12 is installed and electric pushrod 10 is successively spaced setting, be conducive to the peace for carrying out installation bolt 12
Dress is acted on disassembly, is not easily susceptible to the blocking of electric pushrod 10.
Further, the top of 10 movable axis of electric pushrod is slightly below the top of pressure sensor body 1, to guarantee to press
Operation is pressed in the normal survey of force snesor ontology 1.
The working principle and process for using of the utility model: being inflated by gas nozzle 6 and air injection pipe 5 into Air sac cover 4, thus
So that Air sac cover 4 is expanded and is full of inside cavity 3, when pressure sensor body 1 is hit by the external world, in elastometric boot
Effect is lower to carry out first layer protection, slows down impact force by the spring 8 in elastometric boot, then by Air sac cover 4 to pressure sensor
Ontology 1 carries out second layer protection, so that better protecting effect is provided for pressure sensor body 1, when pressure is passed more than pressure
After the pressure limitation of sensor ontology 1, pressure-sensing device touches the touch switch inside pressure sensor body 1 and makes electronic
Push rod 10 is powered, and the movable elongate axis of electric pushrod 10 prevents object from continuing to push to give pressure object one support force
Pressure sensor is caused to damage.
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 (6)
1. a kind of pressure sensor that crushing resistance is strong, including pressure sensor body (1), it is characterised in that: the pressure sensing
The outer surface fixing sleeve of device ontology (1) is equipped with preventing rubber circle (2), and the inner sidewall and pressure sensor of preventing rubber circle (2)
The outer surface of ontology (1) forms cavity (3), is provided with Air sac cover (4) in the cavity (3), and Air sac cover (4) is sheathed on pressure
The inside of the outer surface of sensor body (1), the preventing rubber circle (2) offers cavity (7), and fixed inside cavity (7)
Equipped with several springs (8), the outer surface on pressure sensor body (1) top is arranged with mounting plate (9), the mounting plate
(9) there are four electric pushrod (10) for upper surface fixed installation, and four electric pushrods (10) pass through conducting wire and pressure sensor
Ontology (1) is connected, and the touch switch being arranged inside the input terminal of the electric pushrod (10) and pressure sensor body (1) exports
End is electrically connected, and the output end of pressure-sensing device is electrically connected in the input terminal and pressure sensor of the touch switch.
2. a kind of strong pressure sensor of crushing resistance according to claim 1, it is characterised in that: the Air sac cover (4) is logical
It crosses air injection pipe (5) to be connected with the outside of elastometric boot, one end that the air injection pipe (5) is located at outside elastometric boot is fixed
Equipped with gas nozzle (6).
3. a kind of strong pressure sensor of crushing resistance according to claim 1, it is characterised in that: the mounting plate (9)
Upper surface is fixed with protrusion.
4. a kind of strong pressure sensor of crushing resistance according to claim 3, it is characterised in that: the lateral wall of the protrusion
There are four opening up threaded hole (11), and installation bolt (12) is threaded in four threaded holes (11).
5. a kind of strong pressure sensor of crushing resistance according to claim 4, it is characterised in that: the installation bolt (12)
Setting is successively spaced with electric pushrod (10).
6. a kind of strong pressure sensor of crushing resistance according to claim 1, it is characterised in that: the electric pushrod (10)
The top of movable axis is slightly below the top of pressure sensor body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122746.8U CN209673283U (en) | 2019-01-24 | 2019-01-24 | A kind of pressure sensor that crushing resistance is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122746.8U CN209673283U (en) | 2019-01-24 | 2019-01-24 | A kind of pressure sensor that crushing resistance is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673283U true CN209673283U (en) | 2019-11-22 |
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ID=68566904
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122746.8U Active CN209673283U (en) | 2019-01-24 | 2019-01-24 | A kind of pressure sensor that crushing resistance is strong |
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| CN (1) | CN209673283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161732A (en) * | 2020-10-29 | 2021-01-01 | 林荣富 | Anti-interference pressure sensor and use method thereof |
| CN114324792A (en) * | 2021-12-15 | 2022-04-12 | 武汉新烽光电股份有限公司 | DO sensor that anti-interference stability is strong |
| CN114838864A (en) * | 2022-07-05 | 2022-08-02 | 江苏芯锐传感科技有限公司 | Cavity detachable sheet type anti-corrosion pressure sensor |
-
2019
- 2019-01-24 CN CN201920122746.8U patent/CN209673283U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161732A (en) * | 2020-10-29 | 2021-01-01 | 林荣富 | Anti-interference pressure sensor and use method thereof |
| CN114324792A (en) * | 2021-12-15 | 2022-04-12 | 武汉新烽光电股份有限公司 | DO sensor that anti-interference stability is strong |
| CN114324792B (en) * | 2021-12-15 | 2022-07-22 | 武汉新烽光电股份有限公司 | DO sensor that anti-interference stability is strong |
| CN114838864A (en) * | 2022-07-05 | 2022-08-02 | 江苏芯锐传感科技有限公司 | Cavity detachable sheet type anti-corrosion pressure sensor |
| CN114838864B (en) * | 2022-07-05 | 2022-11-18 | 江苏芯锐传感科技有限公司 | Cavity detachable sheet type anti-corrosion pressure sensor |
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