CN208921326U - A kind of pressure sensor for terminal machine - Google Patents
A kind of pressure sensor for terminal machine Download PDFInfo
- Publication number
- CN208921326U CN208921326U CN201821782999.XU CN201821782999U CN208921326U CN 208921326 U CN208921326 U CN 208921326U CN 201821782999 U CN201821782999 U CN 201821782999U CN 208921326 U CN208921326 U CN 208921326U
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- ontology
- positioning plate
- pressure
- pressure sensor
- terminal machine
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Abstract
The utility model specifically discloses a kind of pressure sensors for terminal machine comprising ontology (1), positioning plate (2) and positioning ring (3)；The ontology (1) is hollow bucket column structure；Positioning plate (2) are fixed at the top of the ontology (1)；The positioning ring (3) is fixed on the top of positioning plate (2)；Ontology (1), positioning plate (2) and the positioning ring (3) is structure as a whole；Described ontology (1) the top outer wall is fixed with resistance strain gage (6).The utility model has the advantages that Dual positioning, can reduce installation error and coaxiality error, improves measurement accuracy.
Description
Technical field
The utility model relates to pressure sensor technique fields, and in particular to a kind of pressure sensor for terminal machine.
Background technique
Existing pressure sensor, structure generally comprise shell and pressure sensitive mechanism, are provided with feeling of stress on shell
Chamber is answered, condensation of water vapor connects water inlet, and pressure sensitive mechanism includes pressure sensitive face and its electric control gear, pressure sensitive mechanism
It is arranged intracavitary in pressure sensitive, and pressure sensitive is facing towards water inlet direction；But the pressure sensor of above-mentioned traditional structure,
There are still following shortcomings: (1) pressure sensor positioning is inaccurate, and installation error is caused to become larger with coaxiality error；(2)
Pressure sensor is connect with exposed electrical by conducting wire, but is easy to be influenced by cable quality, reduces (the water of pressure sensor
Pressure) sensing accuracy.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pressure sensors for terminal machine, have and survey
The high advantage of accuracy of measurement.
A kind of pressure sensor for terminal machine comprising ontology, positioning plate and positioning ring；The ontology is hollow
Bucket column structure；The bodies top is fixed with positioning plate；The positioning ring is fixed on the top of positioning plate；The sheet
Body, positioning plate and positioning ring are structure as a whole；The bodies top lateral wall is fixed with resistance strain gage.
Preferably, the bodies top lateral wall is equipped with rubber；The resistance strain gage is placed in rubber.Rubber energy
Resistance strain gage is fixed on outer body wall, and it can extend making for resistance strain gage with good anti-corrosion and leakproofness
Use the service life.
Preferably, the positioning plate is equipped with location hole；The location hole is placed in the four corners of positioning plate.Location hole
Play the role of Dual positioning with positioning ring, installation error can be reduced, improves measurement accuracy.
It is further preferred that the positioning plate bottom is fixed with pressure-ray film close to ontology side-walls；The pressure-ray film
For Ω shape；The pressure-ray film both ends are symmetrically arranged with through-hole；The through-hole is equipped with the turnbuckle screw to match.Pressure-ray film is
Ω shape is convenient for crimping, prevents pressure-ray film from damaging to cable and measurement is caused error occur.
It is further preferred that being symmetrically arranged with threaded hole corresponding with through-hole on the positioning plate；The threaded hole
Match with turnbuckle screw；The pressure-ray film is threadedly connected on positioning plate by turnbuckle screw.Threaded connection is easily installed
With replacement cable.
It is further preferred that being connected with four core shielded cables on the pressure-ray film；The four core shielded cables
For connecting external equipment, the other end is connect with resistance strain gage for line one end.The pressure that four core shielded cables can will receive
Force signal is converted into electric signal output.
Preferably, the body bottom portion is equipped with cavity；Internal screw thread is equipped in the cavity.Internal screw thread can improve coaxially
Error is spent, measurement accuracy is improved.
Preferably, the ontology, positioning plate, positioning ring and pressure-ray film are stainless steel material.Stainless steel has good
Corrosion resistance, be able to extend the service life of pressure sensor.
The utility model has the advantages that the utility model is equipped with positioning plate and positioning ring, accurate positioning of the sensor to terminal machine can be improved,
Wherein ontology, positioning plate and positioning ring, which are structure as a whole, can reduce installation error, improve measurement accuracy；Outer body wall is equipped with rubber
Resistance strain gage can be fixed on outer body wall by glue, and it can extend resistance strain gage with good anti-corrosion and leakproofness
Service life；Positioning plate, which is equipped with location hole, can play the role of Dual positioning, can reduce installation error, improve measurement essence
Degree；Pressure-ray film is that Ω shape is convenient for crimping, prevents pressure-ray film from damaging to cable and measurement is caused error occur；Pressure-ray film is logical
Cross stringing screw thread be connected to positioning plate be easily installed with replacement cable；Stainless steel material has good corrosion resistance,
It is able to extend the service life of pressure sensor；The pressure signal received can be converted into electric signal by four core shielded cables
Output；Internal screw thread can improve coaxiality error, improve measurement accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the pressure sensor for terminal machine described in the utility model.
Fig. 2 is a kind of top view of the pressure sensor for terminal machine described in the utility model.
Fig. 3 is a kind of top view of the pressure sensor for terminal machine described in the utility model.
Fig. 4 is a kind of structural schematic diagram of the pressure sensor pressure-ray film for terminal machine described in the utility model.
In figure: 1- ontology；2- positioning plate；21- location hole；22- threaded hole；3- positioning ring；Tetra- core shielded cable of 4-；5-
Pressure-ray film；51- through-hole；52- turnbuckle screw；6- resistance strain gage；7- rubber；8- cavity；9- internal screw thread.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figs 1-4, the utility model provides a kind of pressure sensor for terminal machine comprising ontology 1, positioning
Plate 2 and positioning ring 3；The ontology 1 is hollow bucket column structure；Positioning plate 2 is fixed at the top of the ontology 1；It is described
Positioning ring 3 is fixed on the top of positioning plate 2；Ontology 1, positioning plate 2 and the positioning ring 3 is structure as a whole；The ontology 1
Top outer wall is fixed with resistance strain gage 6；The 1 top outer wall of ontology is equipped with rubber 7；The resistance strain gage 6
It being placed in rubber 7, resistance strain gage 6 can be fixed on 1 lateral wall of ontology by rubber 7, and it is with good anti-corrosion and leakproofness,
The service life of resistance strain gage 6 can be extended；1 bottom of ontology is equipped with cavity 8；Internal screw thread is equipped in the cavity 8
9, internal screw thread 9 can improve coaxiality error, improve measurement accuracy.
Specifically, the positioning plate 2 is equipped with location hole 21；The location hole 21 is placed in the four corners of positioning plate 2,
Location hole 21 and positioning ring 3 play the role of Dual positioning, can reduce installation error, improve measurement accuracy；The positioning plate 2
Bottom is fixed with pressure-ray film 5 close to 1 side-walls of ontology；The pressure-ray film 5 is Ω shape；5 both ends of pressure-ray film are symmetrically set
There is through-hole 51；The through-hole 51 is equipped with the turnbuckle screw 52 to match, and pressure-ray film 5 is that Ω shape is convenient for crimping, prevents crimping
Piece 5 damages cable and measurement is caused error occur；It is symmetrically arranged on the positioning plate 2 corresponding with through-hole 51
Threaded hole 22；The threaded hole 22 matches with turnbuckle screw 52；The pressure-ray film 5 is threadedly coupled by turnbuckle screw 52
In on positioning plate 2, threaded connection is easily installed and replacement cable；Four core shielded cables are connected on the pressure-ray film 5
4；For connecting external equipment, the other end is connect with resistance strain gage 6 for described four core shielded cables, 4 one end, the shielding of four cores
The pressure signal received can be converted into electric signal output by cable 4；Ontology 1, positioning plate 2, positioning ring 3 and the pressure
Line piece 5 is stainless steel material.Stainless steel has good corrosion resistance, is able to extend the service life of pressure sensor.
Certainly, certain embodiment described above for only expressing the utility model, description is more detailed, but can not
Therefore it is interpreted as that a limitation on the scope of the patent of the present invention, for the ordinary skill in the art, it is possible to understand that
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and spirit
And modification.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of pressure sensor for terminal machine, which is characterized in that it includes ontology (1), positioning plate (2) and positioning ring
(3)；The ontology (1) is hollow bucket column structure；Positioning plate (2) are fixed at the top of the ontology (1)；The positioning
Ring (3) is fixed on the top of positioning plate (2)；Ontology (1), positioning plate (2) and the positioning ring (3) is structure as a whole；It is described
Ontology (1) top outer wall be fixed with resistance strain gage (6).
2. a kind of pressure sensor for terminal machine according to claim 1, which is characterized in that the ontology (1)
Top outer wall is equipped with rubber (7)；The resistance strain gage (6) is placed in rubber (7).
3. a kind of pressure sensor for terminal machine according to claim 1, which is characterized in that the positioning plate
(2) location hole (21) are equipped with；The location hole (21) is placed in the four corners of positioning plate (2).
4. a kind of pressure sensor for terminal machine according to claim 3, which is characterized in that the positioning plate
(2) bottom is fixed with pressure-ray film (5) close to ontology (1) side-walls；The pressure-ray film (5) is Ω shape；The pressure-ray film (5)
Both ends are symmetrically arranged with through-hole (51)；The through-hole (51) is equipped with the turnbuckle screw (52) to match.
5. a kind of pressure sensor for terminal machine according to claim 4, which is characterized in that the positioning plate
(2) threaded hole (22) corresponding with through-hole (51) is symmetrically arranged on；The threaded hole (22) and turnbuckle screw (52) phase
Match；The pressure-ray film (5) is fixed on positioning plate (2) by turnbuckle screw (52).
6. a kind of pressure sensor for terminal machine according to claim 5, which is characterized in that the pressure-ray film
(5) four core shielded cables (4) are connected on；Four described core shielded cable (4) one end are another for connecting external equipment
End is connect with resistance strain gage (6).
7. a kind of pressure sensor for terminal machine according to claim 1, which is characterized in that the ontology (1)
Bottom is equipped with cavity (8)；Internal screw thread (9) are equipped in the cavity (8).
8. a kind of pressure sensor for terminal machine according to claim 1, which is characterized in that the ontology (1),
Positioning plate (2), positioning ring (3) and pressure-ray film (5) are stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782999.XU CN208921326U (en) | 2018-10-31 | 2018-10-31 | A kind of pressure sensor for terminal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782999.XU CN208921326U (en) | 2018-10-31 | 2018-10-31 | A kind of pressure sensor for terminal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921326U true CN208921326U (en) | 2019-05-31 |
Family
ID=66711169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782999.XU Active CN208921326U (en) | 2018-10-31 | 2018-10-31 | A kind of pressure sensor for terminal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921326U (en) |
-
2018
- 2018-10-31 CN CN201821782999.XU patent/CN208921326U/en active Active
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