CN218628701U

CN218628701U - Waterproof temperature sensor

Info

Publication number: CN218628701U
Application number: CN202223192614.3U
Authority: CN
Inventors: 张伟; 徐超兵
Original assignee: Ustsensor Technic Co ltd
Current assignee: Ustsensor Technic Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a waterproof temperature sensor, including the temperature sensor body, the temperature sensor body includes the supporting seat, open threaded ring groove at the top of supporting seat, the inside movable mounting of threaded ring groove has fixed pipe, the one end of fixed pipe is fixed with the screw thread seat, the inside at the threaded ring groove is installed in the rotation of screw thread seat, be fixed with the rubber ring on the inner wall of threaded ring groove, the one end and the rubber ring contact of screw thread seat are sealed the use, the inside movable mounting of fixed pipe has the protection casing. This waterproof temperature sensor, the retaining ring on the fixed intraductal wall of fixing extrudees fixedly to the spacing ring, and the extrusion realizes the extrusion of secondary and seals for the protection casing, and the inner wall department of fixed pipe installs moisture absorption mechanism, and the moisture of inside production adsorbs through moisture absorption mechanism, and the later stage is also convenient for regularly change the use to fixed pipe.

Description

Waterproof temperature sensor

Technical Field

The utility model relates to a temperature sensor equipment field specifically is a waterproof temperature sensor.

Background

In the existing water temperature sensor, generally, a thermistor is welded on a sheath wire and then is packaged by epoxy resin, and in actual use, due to temperature change in water, different coefficients of expansion with heat and contraction with cold of the wire sheath and plastic injection molding packaging materials are different, so that time is long, water molecules easily permeate into the welding position of the thermistor wire from the outer wall of the wire sheath to cause resistance change of the thermistor, and the measured temperature is inaccurate.

According to a waterproof temperature sensor that patent document publication No. CN214748517U discloses, this technical scheme includes thermistor and restrictive coating, thermistor welds the tip of restrictive coating one end, and the cover is equipped with the rubber seal cover on the outer wall that the restrictive coating welding has thermistor one end, the cover is equipped with the sealed cowling on the rubber seal cover, and thermistor arranges in the cavity of sealed cowling, the outside cover of sealed cowling is equipped with the protective sheath, and this technical scheme is when using, is equipped with annular arch 32 on the outer wall of rubber seal cover 3, and annular arch 32 and the inner wall butt of sealed cowling 4, annular arch 32 can further strengthen the sealing performance of rubber seal cover 3, prevents that water from getting into inside the sealed cowling 4.

However, when the thermistor in the technical scheme is damaged, the whole device needs to be replaced, unnecessary resource waste can be caused, the technical scheme is inconvenient to disassemble in the later period, and the sealing with a single structure can loosen in long-term use, so that the use effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof temperature sensor to solve the problem that proposes in the above-mentioned background art, the utility model discloses novel structure, when using, the protection casing is installed on the connecting seat, cooperatees through fixed bulge loop and spacing bulge loop and realizes quick erection joint, realizes sealed between spacing bulge loop and the fixed bulge loop simultaneously, realizes the extrusion to the fixing base through fixed pipe to the assurance is difficult to not hard up the damage that causes when using.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a waterproof temperature sensor, includes the temperature sensor body, the temperature sensor body includes the supporting seat, threaded ring groove is opened at the top of supporting seat, the inside movable mounting of threaded ring groove has fixed pipe, the one end of fixed pipe is fixed with the screw thread seat, the inside at the threaded ring groove is installed in the screw thread seat rotation, be fixed with the rubber ring on the inner wall of threaded ring groove, the one end and the rubber ring contact of screw thread seat are sealed, the inside movable mounting of fixed pipe has the protection casing, install the electric wire on the supporting seat.

Install moisture absorption mechanism on the inner wall of fixed pipe, it has the through-hole to open between the inner wall of moisture absorption mechanism and fixed pipe, be fixed with solid fixed ring and bulge loop on the inner wall of fixed pipe respectively.

The protective cover is characterized in that the supporting seat is fixedly provided with a connecting seat, the outer wall of the connecting seat is fixedly provided with a fixed convex ring, the inner wall of the protective cover is fixedly provided with a limiting convex ring, the limiting convex ring is limited between the fixed convex rings, the connecting seat is fixedly provided with a limiting ring, and the limiting ring is matched with the fixed ring.

The bottom of protection casing is fixed with the fixing base, install the sealing ring on the supporting seat, the sealing ring contacts with the fixing base, the top of fixing base contacts with the bottom of bulge loop.

The supporting seat is characterized in that an electric plate is arranged inside the supporting seat, one end of an electric wire is arranged on the electric plate, a connecting electric wire is arranged on the electric plate, and an electrode plate is fixed at one end of the connecting electric wire.

The electrode plate protective cover is characterized in that a fixing hole is formed in the connecting seat, the electrode plate is installed inside the fixing hole, an electrode column is installed inside the fixing hole and connected with the electrode plate, a thermistor is fixed on the electrode column, an arc-shaped groove is formed in the inner wall of the protective cover, and one end of the thermistor is movably installed inside the arc-shaped groove.

The utility model has the advantages that: the utility model relates to a waterproof temperature sensor, which comprises a supporting seat; an electric wire; a thread ring groove; a fixed tube; a protective cover; a rubber ring; a threaded seat; an electric board; connecting an electric wire; an electrode sheet; a fixing hole; an electrode column; a thermistor; an arc-shaped slot; a fixing ring; a limiting ring; a seal ring; a fixed seat; a convex ring; a moisture absorption mechanism; a through hole; fixing the convex ring; a limit convex ring; a connecting seat.

1. This waterproof temperature sensor, when using, the protection casing is installed on the connecting seat, cooperatees through fixed bulge loop and spacing bulge loop and realizes quick erection joint, realizes sealed between spacing bulge loop and the fixed bulge loop simultaneously, realizes the extrusion to the fixing base through fixed pipe to guarantee to be difficult to not hard up the damage that causes when using.

2. This waterproof temperature sensor, the retaining ring on the fixed intraductal wall of fixing extrudees fixedly to the spacing ring, and the extrusion realizes the extrusion of secondary and seals for the protection casing, and the inner wall department of fixed pipe installs moisture absorption mechanism, and the moisture of inside production adsorbs through moisture absorption mechanism, and the later stage is also convenient for regularly change the use to fixed pipe.

3. This waterproof temperature sensor, screw thread seat install in the inside of screw thread annular, and the power of dragging through the screw thread production extrudees the fixing base, and the extrusion realizes resealing with the sealing ring, and in addition, the screw thread seat is installed and is being carried out resealing use to between rubber ring extrusion pair screw thread annular and the screw thread seat after the inside of screw thread annular to the damage that the intaking caused is avoided in multiple protection.

Drawings

Fig. 1 is a schematic structural view of a waterproof temperature sensor of the present invention;

fig. 2 is a schematic sectional structure view of a protective cover and a fixing tube of a waterproof temperature sensor according to the present invention;

in the figure: 1. a supporting seat; 2. an electric wire; 3. a thread ring groove; 4. a fixed tube; 5. a protective cover; 6. a rubber ring; 7. a threaded seat; 8. an electric board; 9. connecting an electric wire; 10. an electrode sheet; 11. a fixing hole; 12. an electrode column; 13. a thermistor; 14. an arc-shaped slot; 15. a fixing ring; 16. a limiting ring; 17. a seal ring; 18. a fixed seat; 19. a convex ring; 20. a moisture absorption mechanism; 21. a through hole; 22. fixing the convex ring; 23. a limit convex ring; 24. a connecting seat.

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.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a waterproof temperature sensor, includes the temperature sensor body, the temperature sensor body includes supporting seat 1, open at the top of supporting seat 1 has screw thread annular 3, the inside movable mounting of screw thread annular 3 has fixed pipe 4, the one end of fixed pipe 4 is fixed with screw thread seat 7, screw thread seat 7 is rotatory to be installed in the inside of screw thread annular 3, be fixed with rubber ring 6 on the inner wall of screw thread annular 3, the one end and the rubber ring 6 contact of screw thread seat 7 are sealed, the inside movable mounting of fixed pipe 4 has protection casing 5, install electric wire 2 on the supporting seat 1, install moisture absorption mechanism 20 on the inner wall of fixed pipe 4, it has through-hole 21 to open between the inner wall of moisture absorption mechanism 20 and fixed pipe 4, be fixed with solid fixed ring 15 and bulge loop 19 respectively on the inner wall of fixed pipe 4, moisture absorption mechanism 20 includes the cavity, places the moisture absorption material in the inside of cavity, can change fixed pipe 4 after long-time moisture absorption, and moisture absorption mechanism 20 exists and avoids in case the influence that the intaking caused between protection casing 5 and the fixed pipe 4.

This embodiment, be fixed with connecting seat 24 on the supporting seat 1, be fixed with fixed bulge loop 22 on the outer wall of connecting seat 24, be fixed with spacing bulge loop 23 on the inner wall of protection casing 5, spacing bulge loop 23 is spacing between fixed bulge loop 22, be fixed with spacing loop 16 on the connecting seat 24, spacing loop 16 cooperatees with solid fixed ring 15, the bottom of protection casing 5 is fixed with fixing base 18, install sealing ring 17 on the supporting seat 1, sealing ring 17 contacts with fixing base 18, the top of fixing base 18 contacts with the bottom of bulge loop 19, and the power of dragging through the screw thread production extrudees fixing base 18, and the extrusion realizes sealing once more with sealing ring 17, and in addition, screw thread seat 7 is installed and is carried out sealed use once more to between screw thread ring groove 3 and the screw thread seat 7 to 6 extrusion to rubber ring after the inside of screw thread ring groove 3 to the damage that the multiple protection was avoided intaking to cause.

This embodiment, the internally mounted of supporting seat 1 has electroplax 8, the one end of electric wire 2 is installed on electroplax 8, install connecting wire 9 on the electroplax 8, connecting wire 9's one end is fixed with electrode slice 10, it has fixed orifices 11 to open on connecting seat 24, electrode slice 10 is installed in the inside of fixed orifices 11, the internally mounted of fixed orifices 11 has electrode post 12, electrode post 12 is connected with electrode slice 10, be fixed with thermistor 13 on the electrode post 12, it has arc wall 14 to open on the inner wall of protection casing 5, thermistor 13's one end movable mounting is in the inside of arc wall 14, and thermistor 13 passes through electrode post 12 and electrode slice 10 swing joint, and the later stage is convenient for take out electrode post 12 on the thermistor 13 from fixed orifices 11, the independent change in the later stage of being convenient for.

When the device is used, the thermistor 13 is arranged inside the fixing hole 11 through the electrode pole 12, when the protective cover 5 is installed on the connecting seat 24, when the protective cover 5 is installed, the arc-shaped groove 14 wraps and limits one end of the thermistor 13, the arc-shaped groove 14 limits the thermistor 13, the thickness of the position of the arc-shaped groove 14 is reduced, the thermal resistor 13 can be conveniently used for better detecting temperature after the reduction, the protective cover 5 is extruded and sleeved on the connecting seat 24, the limiting ring 16 on the inner wall of the protective cover 5 is forcibly inserted between the fixing rings 15, the fixing rings 15 and the limiting ring 16 are both extruded and deformed, and gaps are prevented from being generated inside after the deformation, thereby, for the primary protection of water prevention, the protective cover 5 is limited and fixed through the fixing ring 15 and the limiting ring 16, the arc-shaped groove 14 generates extrusion force for the thermistor 13 after the protective cover 5 is limited, so that the electrode column 12 is limited and fixed in the fixing hole 11, one end of the electrode column 12 is contacted and electrified with the electrode plate 10, after the fixed pipe 4 is arranged on the protective cover 5 and the thread seat 7 is arranged inside the thread ring groove 3, the rubber ring 6 is extruded to carry out the resealing use between the thread ring groove 3 and the thread seat 7, thereby avoiding the damage caused by water inflow through multiple protection, when the thread seat 7 is arranged inside the thread ring groove 3, the pulling force generated by the thread extrudes the fixed seat 18, the extrusion and the sealing ring 17 realize resealing and fix the position of the protective cover 5, and in case of moisture entering between the fixed pipe 4 and the protective cover 5, inside moisture that produces enters into the inside absorption of moisture absorption mechanism 20 through-hole 21, and the later stage is also convenient for regularly change fixed pipe 4, effectively avoids in case the influence that the intaking led to the fact between protection casing 5 and fixed pipe 4.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a waterproof temperature sensor, includes the temperature sensor body, its characterized in that: the temperature sensor body includes supporting seat (1), threaded annular groove (3) are opened at the top of supporting seat (1), the inside movable mounting of threaded annular groove (3) has fixed pipe (4), the one end of fixed pipe (4) is fixed with screw thread seat (7), screw thread seat (7) are rotatory to be installed in the inside of threaded annular groove (3), be fixed with rubber ring (6) on the inner wall of threaded annular groove (3), the one end and the rubber ring (6) contact of screw thread seat (7) are sealed, the inside movable mounting of fixed pipe (4) has protection casing (5), install electric wire (2) on supporting seat (1).

2. A water-resistant temperature sensor according to claim 1, wherein: install moisture absorption mechanism (20) on the inner wall of fixed pipe (4), it has through-hole (21) to open between the inner wall of moisture absorption mechanism (20) and fixed pipe (4), be fixed with solid fixed ring (15) and bulge loop (19) on the inner wall of fixed pipe (4) respectively.

3. A water-resistant temperature sensor according to claim 1, wherein: the protective cover is characterized in that a connecting seat (24) is fixed on the supporting seat (1), a fixed convex ring (22) is fixed on the outer wall of the connecting seat (24), a limiting convex ring (23) is fixed on the inner wall of the protective cover (5), the limiting convex ring (23) is limited between the fixed convex rings (22), a limiting ring (16) is fixed on the connecting seat (24), and the limiting ring (16) is matched with the fixing ring (15).

4. A water-resistant temperature sensor according to claim 1, wherein: the bottom of protection casing (5) is fixed with fixing base (18), install sealing ring (17) on supporting seat (1), sealing ring (17) contact with fixing base (18), the top of fixing base (18) contacts with the bottom of bulge loop (19).

5. A water-resistant temperature sensor according to claim 3, wherein: the novel electric wire support is characterized in that an electric plate (8) is arranged inside the support seat (1), one end of the electric wire (2) is arranged on the electric plate (8), a connecting wire (9) is arranged on the electric plate (8), and an electrode plate (10) is fixed at one end of the connecting wire (9).

6. A water-resistant temperature sensor according to claim 5, wherein: open on connecting seat (24) has fixed orifices (11), the inside at fixed orifices (11) is installed in electrode slice (10), the internally mounted of fixed orifices (11) has electrode post (12), electrode post (12) are connected with electrode slice (10), be fixed with thermistor (13) on electrode post (12), it has arc wall (14) to open on the inner wall of protection casing (5), the one end movable mounting of thermistor (13) is in the inside of arc wall (14).