CN208984250U - A kind of pressure sensor - Google Patents

Abstract

The utility model discloses a kind of pressure sensors, including shell, the shell includes stainless steel base, there is shielded layer at the top of the stainless steel base by adhesives, there is thermal insulation layer at the top of the shielded layer by adhesives, there is fireprotection layer at the top of the thermal insulation layer by adhesives, there is waterproof layer at the top of the fireprotection layer by adhesives, nut is fixedly connected at the top of the shell, the inner cavity of the nut is fixedly connected with screwed pipe, and the inner cavity of the shell is provided with core.The utility model is used cooperatively by shell, stainless steel base, shielded layer, thermal insulation layer, fireprotection layer, waterproof layer, nut, screwed pipe, core, conducting wire, through-hole, groove, the first threaded hole, the second threaded hole and screw; quickly core can be installed; and core can be protected; its service life is extended, is brought great convenience to daily detection work.

Description

A kind of pressure sensor

Technical field

The utility model relates to pressure sensor technique field, specially a kind of pressure sensor.

Background technique

Pressure sensor is the sensor by pressure conversion for electric signal output, usually the electrical measurement in pressure measuring instruments Formula instrument is known as pressure sensor, and pressure sensor is widely used in various industrial automatic control environment, is related to water conservancy and hydropower, railway is handed over Numerous industries such as logical, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline, but It is that existing pressure sensor when in use cannot protect well internal core, thereby reduces its use Service life brings great inconvenience to daily detection work.

Utility model content

The purpose of this utility model is to provide a kind of pressure sensors, have advantage easy to use, solve existing Pressure sensor internal core cannot be protected well when in use, thereby reduce its service life, The problem of very big inconvenience is brought to daily detection work.

To achieve the above object, the utility model provides the following technical solutions: a kind of pressure sensor, including shell, institute Stating shell includes stainless steel base, and there is shielded layer at the top of the stainless steel base by adhesives, the shielded layer There is thermal insulation layer at top by adhesives, and there are fireprotection layer, the fireprotection layer in the top of the thermal insulation layer by adhesives Top have waterproof layer by adhesives, nut is fixedly connected at the top of the shell, the inner cavity of the nut is fixed It is connected with screwed pipe, the inner cavity of the shell is provided with core, and the top of screwed pipe, the core are extended at the top of the core The bottom of body is fixedly connected with conducting wire, and the bottom of the shell offers through-hole, and the conducting wire passes through through-hole and extends to shell Bottom, the top and bottom of the shell two sides open up fluted, and the inner cavity of the groove offers the first threaded hole, institute The top and bottom for stating core two sides offer the second threaded hole, the equal spiral shell in inner cavity of first threaded hole and the second threaded hole Line is connected with screw.

Preferably, contact chip is fixedly connected at the top of the core, the surface of the contact chip is provided with anti-skid chequer.

Preferably, the inner cavity of the groove is provided with sealing cover, and the surface of described sealing cover one end and the inner cavity of groove are tight Contiguity touching.

Preferably, the surface that the conducting wire is located at through-hole inner cavity one end is arranged with the first sealing shroud, first sealing shroud The diameter at both ends is greater than the diameter of through-hole.

Preferably, the surface that the core is located at screw thread tube cavity one end is arranged with the second sealing shroud, second sealing The surface of set and the inner cavity of screwed pipe are in close contact.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through shell, stainless steel base, shielded layer, thermal insulation layer, fireprotection layer, waterproof layer, nut, screw thread Pipe, core, conducting wire, through-hole, groove, the first threaded hole, the second threaded hole and screw are used cooperatively, can be quickly to core It is installed, and core can be protected, extend its service life, brought greatly to daily detection work It is convenient.

2, the utility model can be contacted more preferably with object to be detected, preferably be ensure that by setting contact chip The progress for detecting work can be avoided the inner cavity that dust enters groove, preferably ensure that detection work by the way that sealing cover is arranged Progress through-hole can be sealed by the way that the first sealing shroud is arranged, preferably ensure that detection work progress, pass through Second sealing shroud is set, can more preferably ensure that the progress of detection work to protection is sealed at the top of core.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model shell and core attachment structure schematic diagram；

Fig. 3 is the utility model cage connection schematic diagram of internal structure；

Fig. 4 is the partial structurtes enlarged diagram in the utility model Fig. 2 at A.

In figure: 1 shell, 101 stainless steel bases, 102 shielded layers, 103 thermal insulation layers, 104 fireprotection layers, 105 waterproof layers, 2 spiral shells Mother, 3 screwed pipes, 4 cores, 5 conducting wires, 6 through-holes, 7 grooves, 8 first threaded holes, 9 second threaded holes, 10 screws, 11 contact chips, 12 Sealing cover, 13 first sealing shrouds, 14 second sealing shrouds.

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. 1-4, a kind of pressure sensor, including shell 1 are please referred to, shell 1 includes stainless steel base 101, stainless base steel There is shielded layer 102 at the top of layer 101 by adhesives, and there is thermal insulation layer at the top of shielded layer 102 by adhesives 103, there is fireprotection layer 104 at the top of thermal insulation layer 103 by adhesives, and the top of fireprotection layer 104 has by adhesives Waterproof layer 105, the top of shell 1 are fixedly connected with nut 2, and the inner cavity of nut 2 is fixedly connected with screwed pipe 3, the inner cavity of shell 1 It is provided with core 4, the top of core 4 is fixedly connected with contact chip 11, and the surface of contact chip 11 is provided with anti-skid chequer, passes through setting Contact chip 11, can more preferably be contacted with object to be detected, preferably ensure that the progress of detection work, the top of core 4 The top of screwed pipe 3 is extended to, the surface that core 4 is located at 3 inner cavity one end of screwed pipe is arranged with the second sealing shroud 14, the second sealing The surface of set 14 and the inner cavity of screwed pipe 3 are in close contact, and by the way that the second sealing shroud 14 is arranged, can be carried out to the top of core 4 Seal protection more preferably ensure that the progress of detection work, and the bottom of core 4 is fixedly connected with conducting wire 5, and conducting wire 5 is located in through-hole 6 The surface of chamber one end is arranged with the first sealing shroud 13, and the diameter at 13 both ends of the first sealing shroud is greater than the diameter of through-hole 6, passes through setting First sealing shroud 13 can be sealed through-hole 6, preferably ensure that the progress of detection work, the bottom of shell 1 offers Through-hole 6, conducting wire 5 pass through through-hole 6 and extend to the bottom of shell 1, and the top and bottom of 1 two sides of shell open up fluted 7, recessed The inner cavity of slot 7 is provided with sealing cover 12, and the surface of 12 one end of sealing cover and the inner cavity of groove 7 are in close contact, are sealed by setting Lid 12 can be avoided the inner cavity that dust enters groove 7, preferably ensure that the progress of detection work, the inner cavity of groove 7 offers First threaded hole 8, the top and bottom of 4 two sides of core offer the second threaded hole 9, the first threaded hole 8 and the second threaded hole 9 Inner cavity be threaded with screw 10, pass through shell 1, stainless steel base 101, shielded layer 102, thermal insulation layer 103, fireprotection layer 104, waterproof layer 105, nut 2, screwed pipe 3, core 4, conducting wire 5, through-hole 6, groove 7, the first threaded hole 8,9 and of the second threaded hole Screw 10 is used cooperatively, and can quickly be installed to core 4, and can be protected to core 4, and extending it makes With the service life, bring great convenience to daily detection work.

In use, carrying out shielding protection to core 4 by shielded layer 102, shielded layer 102 is carried out by thermal insulation layer 103 Thermal insulation protection, is thermally shielded protection to thermal insulation layer 103 by fireprotection layer 104, is prevented by waterproof layer 105 fireprotection layer 104 Fire protection.

In summary: the pressure sensor by shell 1, stainless steel base 101, shielded layer 102, thermal insulation layer 103, is prevented Fire bed 104, waterproof layer 105, nut 2, screwed pipe 3, core 4, conducting wire 5, through-hole 6, groove 7, the first threaded hole 8, the second screw thread The cooperation in hole 9 and screw 10, solving existing pressure sensor when in use cannot carry out very well internal core Protection, thereby reduce its service life, bring the problem of very big inconvenience to daily detection work.

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 (5)

1. a kind of pressure sensor, including shell (1), it is characterised in that: the shell (1) includes stainless steel base (101), institute The top for stating stainless steel base (101) has shielded layer (102) by adhesives, passes through at the top of the shielded layer (102) Adhesives have thermal insulation layer (103), and the top of the thermal insulation layer (103) has fireprotection layer (104) by adhesives, described The top of fireprotection layer (104) has waterproof layer (105) by adhesives, is fixedly connected with nut at the top of the shell (1) (2), the inner cavity of the nut (2) is fixedly connected with screwed pipe (3), and the inner cavity of the shell (1) is provided with core (4), described The top of screwed pipe (3) is extended at the top of core (4), the bottom of the core (4) is fixedly connected with conducting wire (5), described outer The bottom of shell (1) offers through-hole (6), and the conducting wire (5) passes through through-hole (6) and extends to the bottom of shell (1), the shell (1) top and bottom of two sides open up fluted (7), and the inner cavity of the groove (7) offers the first threaded hole (8), described The top and bottom of core (4) two sides offer the second threaded hole (9), first threaded hole (8) and the second threaded hole (9) Inner cavity be threaded with screw (10).

2. a kind of pressure sensor according to claim 1, it is characterised in that: be fixedly connected at the top of the core (4) Have contact chip (11), the surface of the contact chip (11) is provided with anti-skid chequer.

3. a kind of pressure sensor according to claim 1, it is characterised in that: the inner cavity of the groove (7) is provided with close It covers (12), the surface of described sealing cover (12) one end and the inner cavity of groove (7) are in close contact.

4. a kind of pressure sensor according to claim 1, it is characterised in that: the conducting wire (5) is located at through-hole (6) inner cavity The surface of one end is arranged with the first sealing shroud (13), and the diameter at the first sealing shroud (13) both ends is greater than the diameter of through-hole (6).

5. a kind of pressure sensor according to claim 1, it is characterised in that: the core (4) is located in screwed pipe (3) The surface of chamber one end is arranged with the second sealing shroud (14), and the surface of second sealing shroud (14) and the inner cavity of screwed pipe (3) are tight Contiguity touching.