CN211019289U

CN211019289U - Automatic temperature control heat tracing band

Info

Publication number: CN211019289U
Application number: CN201922088804.2U
Authority: CN
Inventors: 戴文全; 汤恒祥
Original assignee: Jiangsu Stile Electric Appliance Co ltd
Current assignee: Jiangsu Stile Electric Appliance Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-14
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a heat tracing cable technical field just discloses an automatic control temperature tracing band, including the inner sheath, the inner wall fixedly connected with protective layer of inner sheath, the inner wall fixedly connected with wire of protective layer, the outer wall fixedly connected with insulating layer of inner sheath, the outer wall fixedly connected with shielding layer of insulating layer, the anti extrusion layer of outer wall fixedly connected with of shielding layer, the outer wall fixedly connected with automatic control temperature layer of anti extrusion layer, the inner wall fixedly connected with elasticity ball on automatic control temperature layer, the outer wall fixedly connected with oversheath of elasticity ball, the inner wall fixedly connected with reset spring of oversheath, the inner wall fixedly connected with of inner sheath presses the briquetting. The temperature self-control heat tracing band can achieve the purpose of improving the pressure resistance of the heat tracing band, solves the problem of poor extrusion resistance of the common heat tracing band, avoids deformation or internal cable fracture caused by extrusion of the heat tracing band, improves the use safety of the heat tracing band, and prolongs the service life of the heat tracing band.

Description

Automatic temperature control heat tracing band

Technical Field

The utility model relates to a heat tracing cable technical field specifically is an automatic control temperature heat tracing band.

Background

The self-temperature-control heat tracing band is firstly published in the United states in the early eighties of the last century, is mainly applied to the petrochemical industry at the moment, and is used for tracing heat of pipelines, valves and instruments in the petrochemical industry, so that the aims of preventing ice and coagulation and reducing the transmission capacity are fulfilled. With the continuous development of the self-temperature-control heat tracing technology, the heat tracing device is widely applied to many fields at present. For example, the heat tracing agent is mainly used in places such as petroleum, chemical and thermal power plants and the like which need to prevent liquid substances in pipelines or tanks from solidifying or flowing at a low speed in the industrial aspect, is mainly used for heat tracing of fire-fighting pipelines in the public aspect, and can be used for indoor heating and outdoor pipeline antifreezing in winter in the civil aspect. As is known, in many application environments, the requirements on the service performance and the like of the temperature self-control heat tracing band are high, but the conventional heat tracing band has the defects of weak strength and the like, and when the conventional heat tracing band is extruded, the heat tracing band is easy to deform, even the cable inside the heat tracing band is broken, and the service life of the heat tracing band is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides an automatic control temperature companion torrid zone, this automatic control temperature companion torrid zone possess anti extrusion performance advantage such as good, have solved the poor problem of anti extrusion performance of general companion torrid zone.

(II) technical scheme

In order to realize the purpose that the anti extrusion performance of above-mentioned automatic control temperature companion torrid zone is good, the utility model provides a following technical scheme: a temperature self-control heat tracing band comprises an inner sheath, wherein the inner wall of the inner sheath is fixedly connected with a protective layer, the inner wall of the protective layer is fixedly connected with a lead, the outer wall of the inner sheath is fixedly connected with an insulating layer, the outer wall of the insulating layer is fixedly connected with a shielding layer, the outer wall of the shielding layer is fixedly connected with an anti-extrusion layer, the outer wall of the anti-extrusion layer is fixedly connected with an automatic temperature control layer, the inner wall of the automatic temperature control layer is fixedly connected with an elastic ball, the outer wall of the elastic ball is fixedly connected with an outer sheath, the inner wall of the outer sheath is fixedly connected with a return spring, the inner wall of the inner sheath is fixedly connected with a pressing block, the bottom of the pressing block is provided with a clamping groove, the inner wall of the clamping groove is fixedly connected with a buffer pad, the inner wall of the clamping groove is fixedly connected with a buffer spring, one end of the buffer spring is fixedly connected with a telescopic loop bar, and one side of the outer sheath is fixedly connected with a conductive electrode.

Preferably, the inner sheath is a flat inner sheath, and the height of the inner sheath is three centimeters.

Preferably, the insulating layer is a polyethylene insulating layer, and the thickness of the insulating layer is zero five millimeters.

Preferably, the shielding layer is an iron wire shielding layer, and the thickness of the shielding layer is two millimeters.

Preferably, the number of the elastic balls is two, and the two elastic balls are symmetrically arranged with respect to the vertical central line of the outer sheath as a symmetry axis.

Preferably, the number of the return springs is twelve, every six return springs form a group, and the horizontal central lines of the sheaths outside the two groups of return springs are symmetrically arranged.

Preferably, the outer wall of the outer sheath is provided with a filling hole, and the diameter of the filling hole is two millimeters.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic control temperature companion torrid zone possesses following beneficial effect:

1. this automatic control temperature companion tropical, through the anti extrusion layer, elastic ball, reset spring, press block, draw-in groove, buffer spring, blotter and the flexible loop bar that sets up, can reach the purpose that improves companion tropical crushing resistance, solved the poor problem of general companion tropical crushing resistance, avoid companion tropical to receive the extrusion and take place to warp or inside cable fracture, improved companion tropical safety in utilization, prolonged companion tropical life.

2. This automatic control temperature companion tropical, through the automatic control temperature layer that sets up, can reach and make the even purpose of companion tropical bulk temperature, avoid the companion tropical overheated, safe and reliable, installation and working costs are low, have improved the stability of temperature more, have promoted the durability of product, have satisfied user's user demand.

3. This automatic control temperature companion torrid zone through inner sheath and the oversheath that sets up, can carry out the safety protection purpose to companion torrid zone, has improved the security performance of product, and the operation is stable, and low in production cost simultaneously, and the practicality is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an inner sheath; 2. a wire; 3. a protective layer; 4. an insulating layer; 5. a shielding layer; 6. an anti-extrusion layer; 7. an elastic ball; 8. a return spring; 9. an outer sheath; 10. a pressing block; 11. a card slot; 12. a buffer spring; 13. a cushion pad; 14. a telescopic loop bar; 15. a temperature self-control layer; 16. a conductive electrode; 17. the hole is filled.

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.

Referring to fig. 1 to 3, a self-temperature-control heat tracing band includes an inner sheath 1, the inner sheath 1 is a flat inner sheath, the height of the inner sheath 1 is three centimeters, a protective layer 3 is fixedly connected to the inner wall of the inner sheath 1, a wire 2 is fixedly connected to the inner wall of the protective layer 3, an insulating layer 4 is fixedly connected to the outer wall of the inner sheath 1, the insulating layer 4 is a polyethylene insulating layer, and the thickness of the insulating layer 4 is zero five millimeters, the polyethylene is a thermoplastic resin prepared by polymerizing ethylene, the polyethylene is odorless and nontoxic, has a hand feeling similar to wax, has excellent low temperature resistance, good chemical stability, can resist corrosion of most of acid and alkali, is insoluble in common solvents at room temperature, has small water absorption and excellent electrical insulation, a shielding layer 5 is fixedly connected to the outer wall of the insulating layer 4, the shielding layer 5 is an iron wire shielding layer, the shielding layer 5 has a thickness of two millimeters, and the iron wire is a metal wire drawn by iron, the iron wire has different purposes and different components, the iron wire comprises the components of iron, cobalt, nickel, copper, carbon, zinc and other elements, an anti-extrusion layer 6 is fixedly connected to the outer wall of a shielding layer 5, an automatic temperature control layer 15 is fixedly connected to the outer wall of the anti-extrusion layer 6, the purpose of enabling the integral temperature of the heat tracing band to be uniform can be achieved through the arranged automatic temperature control layer 15, overheating of the heat tracing band is avoided, safety and reliability are achieved, installation and operation cost are low, temperature stability is improved, product durability is improved, use requirements of users are met, two elastic balls 7 are fixedly connected to the inner wall of the automatic temperature control layer 15, the number of the elastic balls 7 is two, the two elastic balls 7 are symmetrically arranged with the vertical central line of the outer sheath 9 as a symmetric axis, the outer wall of the elastic balls 7 is fixedly connected with the outer sheath 9, and the purpose of safety protection can be achieved for the heat tracing band through the arranged inner sheath, the safety performance of the product is improved, the operation is stable, meanwhile, the production cost is low, the practicability is good, the inner wall of the outer sheath 9 is fixedly connected with the reset springs 8, the number of the reset springs 8 is twelve, every six reset springs 8 form a group, two groups of reset springs 8 are symmetrically arranged by taking the horizontal central line of the outer sheath 9 as a symmetry axis, the inner wall of the inner sheath 1 is fixedly connected with the pressing block 10, the bottom of the pressing block 10 is provided with the clamping groove 11, the inner wall of the clamping groove 11 is fixedly connected with the cushion 13, the inner wall of the clamping groove 11 is fixedly connected with the cushion spring 12, one end of the cushion spring 12 is fixedly connected with the telescopic loop rod 14, the purpose of improving the pressure resistance performance of the heat tracing band can be achieved through the arranged anti-extrusion layer 6, the elastic ball 7, the reset springs 8, the pressing block 10, the clamping groove 11, the cushion spring 12, the cushion 13 and the, the deformation or the breakage of an internal cable caused by the extrusion of the heat tracing band is avoided, the use safety of the heat tracing band is improved, the service life of the heat tracing band is prolonged, one side of the outer sheath 9 is fixedly connected with the conductive electrode 16, the outer wall of the outer sheath 9 is provided with the filling hole 17, and the diameter of the filling hole 17 is two millimeters.

When the heat tracing band is used, when the heat tracing band is extruded by external force, the elastic ball 7 and the return spring 8 are compressed to provide certain buffering force for the heat tracing band, the buffer spring 12 is compressed downwards, the telescopic loop rod 14 is stretched downwards to prevent the shell walls at two sides of the inner sheath 1 from being extruded to be close, and the lead 2 is prevented from being broken.

In conclusion, the self-temperature-control heat tracing band can improve the pressure resistance of the heat tracing band, avoid deformation or internal cable fracture caused by extrusion of the heat tracing band, improve the use safety of the heat tracing band and prolong the service life of the heat tracing band.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic temperature control heat tracing band, includes inner sheath (1), its characterized in that: the inner wall of the inner sheath (1) is fixedly connected with a protective layer (3), the inner wall of the protective layer (3) is fixedly connected with a wire (2), the outer wall of the inner sheath (1) is fixedly connected with an insulating layer (4), the outer wall of the insulating layer (4) is fixedly connected with a shielding layer (5), the outer wall of the shielding layer (5) is fixedly connected with an anti-extrusion layer (6), the outer wall of the anti-extrusion layer (6) is fixedly connected with a self-control temperature layer (15), the inner wall of the self-control temperature layer (15) is fixedly connected with an elastic ball (7), the outer wall of the elastic ball (7) is fixedly connected with an outer sheath (9), the inner wall of the outer sheath (9) is fixedly connected with a reset spring (8), the inner wall of the inner sheath (1) is fixedly connected with a pressing block (10), a clamping groove (11) is formed in the bottom of the pressing block, the inner wall of the clamping groove (11) is fixedly connected with a buffer spring (12), one end of the buffer spring (12) is fixedly connected with a telescopic loop bar (14), and one side of the outer sheath (9) is fixedly connected with a conductive electrode (16).

2. A self temperature controlling heat tracing band according to claim 1, wherein: the inner sheath (1) is a flat inner sheath, and the height of the inner sheath (1) is three centimeters.

3. A self temperature controlling heat tracing band according to claim 1, wherein: the insulating layer (4) is a polyethylene insulating layer, and the thickness of the insulating layer (4) is zero five millimeters.

4. A self temperature controlling heat tracing band according to claim 1, wherein: the shielding layer (5) is an iron wire shielding layer, and the thickness of the shielding layer (5) is two millimeters.

5. A self temperature controlling heat tracing band according to claim 1, wherein: the number of the elastic balls (7) is two, and the two elastic balls (7) are symmetrically arranged with the vertical central line of the outer sheath (9) as a symmetry axis.

6. A self temperature controlling heat tracing band according to claim 1, wherein: the number of the reset springs (8) is twelve, every six reset springs (8) form a group, and the horizontal central lines of the outer sheaths (9) of the two groups of reset springs (8) are symmetrically arranged.

7. A self temperature controlling heat tracing band according to claim 1, wherein: the outer wall of the outer sheath (9) is provided with a filling hole (17), and the diameter of the filling hole (17) is two millimeters.