CN212254382U

CN212254382U - Protective sleeve for temperature sensor

Info

Publication number: CN212254382U
Application number: CN202021334141.4U
Authority: CN
Inventors: 赵慧敏
Original assignee: TIANJIN TAIFEITE INSTRUMENT TECHNOLOGY CO LTD
Current assignee: TIANJIN TAIFEITE INSTRUMENT TECHNOLOGY CO LTD
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-12-29
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a protective sleeve for a temperature sensor, which comprises a connecting pipe, the terminal fixedly connected with threaded sleeve at the top of the connecting pipe, the threaded sleeve is connected with the main body of the protective sleeve concentrically through the inner side of the axis, the inner surface of the periphery of the main body of the protective sleeve is fixedly sleeved with a rubber pad, the outer side of the main body of the protective sleeve is fixedly sleeved with a metal sleeve ring, the outer side of the metal sleeve ring is fixedly sleeved with a plastic sleeve, a compression spring is arranged inside the connecting pipe, the terminal fixedly connected with a telescopic rod is arranged at the top of the compression spring, the terminal fixedly connected with a hollow sleeve rod is arranged at the top of the telescopic rod, in the utility model, the pipe body can be prevented from being corroded by corrosive substances in the environment through an anti-corrosion layer, the anti-corrosion layer can effectively prevent the inner part of the pipe body, is worthy of being widely popularized.

Description

Protective sleeve for temperature sensor

Technical Field

The utility model relates to a protective sleeve technical field especially relates to a protective sleeve for temperature sensor.

Background

The protective sleeve is generally applied to insulation protection of medium and low voltage electric power products and water prevention of communication product branches, the inner wall of the product is coated with a spiral hot-melt adhesive with high performance, the product has good sealing effect after shrinkage, and the products are divided into products with no inner wall coated with glue and products with inner wall coated with glue, a temperature sensor (temperature sensor) refers to a sensor which can sense temperature and convert the temperature into usable output signals, the temperature sensor is the core part of a temperature measuring instrument, the temperature sensor is various, the temperature sensor can be divided into two types of contact and non-contact according to the measuring mode, and the temperature sensor is divided into two types of thermal resistance and thermocouple according to the characteristics of sensor materials and electronic elements.

The existing temperature sensor protective sleeve is often welded and fixed with the base of the pipe assembly and the temperature sensor, and then the protective sleeve is connected with the pipe assembly through threads, so that cables are protected in the protective sleeve, but only the threads are connected, so that the connection is usually loosened due to overlong time, the protective sleeve can be separated from the pipe assembly, the cables are exposed, and therefore the problems are solved by a new protective sleeve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protective sleeve for a temperature sensor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a protective sleeve for temperature sensor, includes the connecting pipe, the terminal fixedly connected with threaded sleeve in connecting pipe top, the inboard threaded connection of the concentric axis of threaded sleeve has the protective sleeve main part, the rubber pad has been cup jointed to the internal surface fixity in the week of protective sleeve main part, the fixed metal lantern ring that has cup jointed in the protective sleeve main part outside, the fixed plastic cover that has cup jointed in the metal lantern ring outside, the inside pressure spring that is provided with of connecting pipe, the terminal fixedly connected with telescopic link in pressure spring top, the hollow loop bar of the terminal fixedly connected with in telescopic link top, the inner wall fixedly connected with expanding spring in hollow loop bar one side, the terminal fixedly connected with inserted bar round pin in.

As a further description of the above technical solution:

the threaded sleeve is fixedly connected with the connecting pipe through welding, and an inner thread groove is formed in the inner side of the threaded sleeve.

As a further description of the above technical solution:

the protective sleeve main body comprises a sleeve body, a moisture-proof layer is arranged on the outer side of the concentric axis of the sleeve body, and an anti-corrosion layer is coated on the outer side of the concentric axis of the moisture-proof layer.

As a further description of the above technical solution:

and the outer surface of the periphery of the pipe body is provided with an outer thread groove at a position corresponding to the inner thread groove.

As a further description of the above technical solution:

the periphery of the plastic sleeve is evenly provided with a plurality of groups of anti-skid lines.

As a further description of the above technical solution:

the inside of one side of the hollow loop bar is provided with a through opening corresponding to the inserted bar pin.

As a further description of the above technical solution:

the number of the inserted bar pins is two, and the two groups of the inserted bar pins are symmetrical with respect to the central axis of the metal lantern ring.

The utility model discloses following beneficial effect has:

1. compared with the traditional device, the utility model provides a protective sleeve for temperature sensor, through being provided with devices such as telescopic link, inserted bar round pin, pressure spring, hollow loop bar, expanding spring, the metal lantern ring and plastic cover, at first with protective sleeve main part and threaded sleeve looks threaded connection, then insert the inserted bar round pin in the recess that the metal lantern ring was seted up inside, because the inserted bar round pin is connected with hollow loop bar through expanding spring, hollow loop bar is connected with the telescopic link, the telescopic link is connected with the connecting pipe through pressure spring, so provide a forward elasticity through expanding spring, provide a downward power through pressure spring, be convenient for fix the inserted bar round pin in the recess, fix the metal lantern ring, the metal lantern ring is again with protective sleeve main part looks fixed connection, can prevent that protective sleeve main part from taking place the pine and taking off, and dismantle the installation simple, the device is simple in structure, is convenient and practical.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, and through being provided with devices such as the pipe body, the anti-corrosion coating and the dampproof course, the corrosion of corrosive substances in the environment can be avoided by the anti-corrosion coating, and the dampproof course can effectively prevent the inside damping of pipe body, plays a guard action to inside cable, is worth wideling popularize.

Drawings

Fig. 1 is a front view structural diagram of a sheath tube for a temperature sensor according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a front view of a sheath tube for a temperature sensor according to the present invention;

FIG. 5 is a schematic view of a connection structure between the sheath tube main body and a rubber pad;

fig. 6 is a schematic structural diagram of the main body of the sheath tube.

Illustration of the drawings:

1. a connecting pipe; 2. a threaded bushing; 3. a metal collar; 4. a sheath tube main body; 5. a telescopic rod; 6. a rubber pad; 7. a tension spring; 8. a plunger pin; 9. plastic cover; 10. a hollow loop bar; 11. a compression spring; 12. an anti-corrosion layer; 13. a moisture barrier; 14. a tube body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a protective sleeve for temperature sensor, including connecting pipe 1, the terminal fixedly connected with threaded sleeve 2 in 1 top of connecting pipe, the inboard threaded connection of 2 concentric axis of threaded sleeve has protective sleeve main part 4, the internal surface fixed coupling has rubber pad 6 in 4 week sides of protective sleeve main part, the fixed metal lantern ring 3 that has cup jointed in 4 outsides of protective sleeve main part, the fixed plastic cover 9 that has cup jointed in 3 outsides of metal lantern ring, 1 inside pressure spring 11 that is provided with of connecting pipe, the terminal fixedly connected with telescopic link 5 in 11 tops of pressure spring, the hollow loop bar 10 of the terminal fixedly connected with in 5 tops of telescopic link, inner wall fixedly connected with expanding spring 7 in 10 one side of hollow loop bar, the terminal fixedly connected with inserted.

The threaded sleeve 2 is fixedly connected with the connecting pipe 1 by welding, an inner thread groove is formed in the inner side of the threaded sleeve 2, the protective sleeve main body 4 comprises a pipe body 14, a moisture-proof layer 13 is arranged on the outer side of the concentric axis of the pipe body 14, an anti-corrosion layer 12 is coated on the outer side of the concentric axis of the moisture-proof layer 13, the surface of the pipe body 14 is prevented from being corroded by corrosive substances and microorganisms by the arranged anti-corrosion layer 12, the moisture-proof layer 13 can prevent the inner part of the pipe body 14 from being affected with damp and prevent the cable in the pipe body 14 from being damaged, an outer thread groove is formed in the corresponding position of the peripheral outer surface of the pipe body 14 and the inner thread groove, the pipe body 14 is fixedly connected with the threaded sleeve 2 by matching between the inner thread groove and the outer thread groove, a plurality of groups of anti-slip threads are uniformly formed in the peripheral outer surface of the plastic sleeve 9, the friction coefficient between a palm and the plastic sleeve 9 is, be convenient for inserted bar round pin 8 through opening and expanding spring 7 looks fixed connection, provide an elasticity through expanding spring 7 to inserted bar round pin 8, with inserted bar round pin 8 toward the recess of metal lantern ring 3 and push away, the quantity of inserted bar round pin 8 is two sets of, and is symmetrical about the central axis of metal lantern ring 3 between two sets of inserted bar round pin 8, cooperatees through the recess on inserted bar round pin 8 and the metal lantern ring 3, prevents that protective casing main part 4 from taking place not hard up, pine takes off.

The working principle is as follows: the utility model provides a protective sleeve for temperature sensor and traditional device have great improvement innovation, when using this protective sleeve for temperature sensor, at first connecting pipe 1 and temperature sensor's base through welding looks fixed connection, again protective sleeve main part 4 and threaded sleeve 2 through external thread groove and internal thread groove looks threaded connection fixed, because the inserted bar round pin 8 through expanding spring 7 with hollow loop bar 10 inner wall looks fixed connection, and hollow loop bar 10 with telescopic link 5 looks fixed connection, telescopic link 5 is connected with connecting pipe 1 through pressure spring 11, inserted bar round pin 8 provides a forward elasticity through expanding spring 7, provide a downward power through pressure spring 11, can fix inserted bar round pin 8 in the recess of metal lantern ring 3, fix the position of metal lantern ring 3, metal lantern ring 3 and protective sleeve main part 4 looks fixed cup joint, can prevent that protective casing main part 4 from taking place to loosen and take place, the cable loops through connecting pipe 1, threaded sleeve 2, protective casing main part 4 and is connected with the electrical apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a protective sleeve for temperature sensor, includes connecting pipe (1), its characterized in that: connecting pipe (1) terminal fixedly connected with threaded sleeve pipe (2) in top, threaded sleeve pipe (2) concentric axis inboard threaded connection has protecting tube main part (4), rubber pad (6) have been cup jointed to protecting tube main part (4) week side internal surface fixed, the metal lantern ring (3) have been cup jointed to protecting tube main part (4) outside fixed, the plastic cover (9) have been cup jointed in the metal lantern ring (3) outside fixed, connecting pipe (1) inside is provided with pressure spring (11), pressure spring (11) terminal fixedly connected with telescopic link (5) in top, the hollow loop bar (10) of telescopic link (5) top end fixedly connected with, inner wall fixedly connected with expanding spring (7) in one side of hollow loop bar (10), the terminal fixedly connected with inserted bar round pin (8) in expanding spring (7) one side.

2. The sheath tube for a temperature sensor according to claim 1, characterized in that: the threaded sleeve (2) is fixedly connected with the connecting pipe (1) through welding, and an inner thread groove is formed in the inner side of the threaded sleeve (2).

3. The sheath tube for a temperature sensor according to claim 1, characterized in that: the protective sleeve main body (4) comprises a pipe body (14), a moisture-proof layer (13) is arranged on the outer side of the concentric axis of the pipe body (14), and an anti-corrosion layer (12) is coated on the outer side of the concentric axis of the moisture-proof layer (13).

4. The sheath tube for a temperature sensor according to claim 3, characterized in that: an external thread groove is formed in the position, corresponding to the internal thread groove, of the outer surface of the periphery of the pipe body (14).

5. The sheath tube for a temperature sensor according to claim 1, characterized in that: the outer surface of the circumferential side of the plastic sleeve (9) is evenly provided with a plurality of groups of anti-skid lines.

6. The sheath tube for a temperature sensor according to claim 1, characterized in that: and a through hole is formed in the position, corresponding to the inserted bar pin (8), in the inner part of one side of the hollow loop bar (10).

7. The sheath tube for a temperature sensor according to claim 1, characterized in that: the number of the inserted bar pins (8) is two, and the two groups of the inserted bar pins (8) are symmetrical with respect to the central axis of the metal lantern ring (3).