CN211184307U

CN211184307U - Mineral insulation heating cable

Info

Publication number: CN211184307U
Application number: CN201921943989.4U
Authority: CN
Inventors: 曹占坡
Original assignee: Jiangsu Hongfei Cable Technology Co ltd
Current assignee: Jiangsu Hongfei Cable Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-04
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a mineral insulation heating cable, which comprises a sheath and an adjusting plate; the cross section of the sheath is square, a heating core is horizontally arranged in the sheath, an insulating layer is filled in the sheath, a PVC outer sheath with a circular cross section is sleeved outside the sheath, and a plurality of groups of adjusting grooves are formed in the middle of the upper surface, the lower surface, the left side and the right side of the sheath; the adjusting plate is arranged inside the adjusting groove. The utility model discloses when the PVC oversheath is buckled with the small size in extrusion, there are a plurality of groups to adjust the pole through PVC oversheath inner wall fixed mounting, adjust the pole and run through adjustment tank swing joint, can promote the regulating plate that the regulation pole head end is connected and remove in the adjustment tank, further extrude the spring, when external object puts aside, the elasticity through the spring can promote the PVC oversheath and reset, has good resistance to compression and the function of buckling.

Description

Mineral insulation heating cable

Technical Field

The utility model relates to a heating cable technical field specifically is a mineral insulation heating cable.

Background

The heating cable is mainly a wire cable for living heating, plant cultivation, pipeline heat preservation and the like. The heating cable is manufactured by adopting a single or a plurality of alloy electric heating wires as a heating source, high-purity, high-temperature and electric melting crystallized magnesium oxide as a heat conduction insulator, and seamless continuous stainless steel or copper pipes as a sheath by adopting a special production process;

The utility model discloses a mineral insulation heating cable is disclosed through retrieval publication No. CN201733469U, including single or many heating wires, the heating wire outward in proper order the cladding have insulating layer, sheath, the utility model discloses in adopt high purity, high temperature, electric capacity crystallization magnesium oxide as heat conduction insulator, seamless continuous stainless steel or copper pipe are as the sheath, adopt special production technology to make and form. PE or low-smoke halogen-free outer sleeve can be added on the occasion with strong corrosion;

In realizing the utility model discloses an in-process, the inventor finds that there is following problem at least among the prior art and does not get a solution, 1, the resistance to compression effect is poor, 2, can not buckle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mineral insulation heating cable has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mineral insulated heating cable comprises a sheath and an adjusting plate;

The cross section of the sheath is square, a heating core is horizontally arranged in the sheath, an insulating layer is filled in the sheath, a PVC outer sheath with a circular cross section is sleeved outside the sheath, and a plurality of groups of adjusting grooves are formed in the middle of the upper surface, the lower surface, the left side and the right side of the sheath;

The inside of adjustment tank is arranged in to the regulating plate, the outside middle part fixed mounting of regulating plate has the regulation pole, the end of adjusting the pole runs through the inner wall fixed connection of adjustment tank and PVC oversheath, the outer wall cover of adjusting the pole is equipped with the spring, the outside and the PVC oversheath of sheath are inboard between are arranged in to the spring.

As the utility model discloses a preferred embodiment, the spacing groove has been seted up to the vertical symmetry in left side and the right side inner wall middle part of adjustment tank, the stopper is installed to the left side and the right side middle part symmetry of regulating plate, spacing groove and stopper sliding connection.

As a preferred embodiment of the utility model, the outer wall spraying of PVC oversheath has anticorrosive paint.

As a preferred embodiment of the present invention, the insulating layer is made of magnesium oxide.

As a preferred embodiment of the present invention, the sheath is made of copper material.

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

1. The utility model relates to a mineral insulation heating cable, when the PVC oversheath is buckled to extrusion and small size, has a plurality of groups to adjust the pole through PVC oversheath inner wall fixed mounting, adjusts the pole and runs through adjustment tank swing joint, can promote the regulating plate that the regulation pole head end is connected and remove in the adjustment tank, further extrudees the spring, when external object puts aside, can promote the PVC oversheath through the elasticity of spring and reset, has good resistance to compression and the function of buckling.

2. The utility model relates to a mineral insulation heating cable through spacing groove and stopper sliding connection, adjusts the promotion regulating plate that the pole can be steady and removes in the adjustment tank, avoids the regulating plate to remove the in-process and takes place the slope, influences the protective effect of PVC oversheath.

3. The utility model relates to a mineral insulation heating cable has anticorrosive paint through the outer wall spraying of PVC oversheath, has anticorrosive effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a front view of a mineral insulated heating cable according to the present invention;

Figure 2 is the utility model relates to a mineral insulation heating cable's spacing groove and stopper sliding connection plan view.

In the figure: sheath 1, heating core 2, insulating layer 3, PVC oversheath 4, adjustment tank 5, regulating plate 6, adjust pole 7, spring 8, spacing groove 9, stopper 10, protective paint 11.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a mineral insulated heating cable comprises a sheath 1 and an adjusting plate 6;

The cross section of the sheath 1 is square, a heating core body 2 is horizontally arranged in the sheath 1, an insulating layer 3 is filled in the sheath 1, a PVC outer sheath 4 with a circular cross section is sleeved outside the sheath 1, and a plurality of groups of adjusting grooves 5 are formed in the middle of the upper surface, the lower surface, the left side and the right side of the sheath 1;

The adjusting plate 6 is arranged in the adjusting groove 5, the middle part of the outer side of the adjusting plate 6 is fixedly provided with an adjusting rod 7, the tail end of the adjusting rod 7 penetrates through the adjusting groove 5 and is fixedly connected with the inner wall of the PVC outer sheath 4, the outer wall of the adjusting rod 7 is sleeved with a spring 8, and the spring 8 is arranged between the outer side of the sheath 1 and the inner side of the PVC outer sheath 4;

In this embodiment (as shown in fig. 1-2), when the PVC outer sheath 4 is extruded and bent to a small extent, a plurality of sets of adjusting rods 7 are fixedly installed on the inner wall of the PVC outer sheath 4, the adjusting rods 7 penetrate through the adjusting grooves 5 and are movably connected, the adjusting plates 6 connected with the head ends of the adjusting rods 7 can be pushed to move in the adjusting grooves 5, the springs 8 are further extruded, when an external object is removed, the PVC outer sheath 4 can be pushed to reset through the elastic force of the springs 8, and the PVC outer sheath has good compression resistance and bending resistance functions.

In this embodiment (please refer to fig. 1-2), the limiting grooves 9 are vertically and symmetrically formed in the middle portions of the inner walls of the left side and the right side of the adjusting groove 5, the limiting blocks 10 are symmetrically installed in the middle portions of the left side and the right side of the adjusting plate 6, the limiting grooves 9 are slidably connected with the limiting blocks 10, the adjusting rod 7 can stably push the adjusting plate 6 to move in the adjusting groove 5, and the adjusting plate 6 is prevented from inclining in the moving process and affecting the protection effect of the PVC outer sheath 4.

In this embodiment (see fig. 1), the outer wall of the PVC outer sheath 4 is sprayed with an anticorrosive paint 11, which has an anticorrosive effect.

In this embodiment (see fig. 1), the insulating layer 3 is made of magnesium oxide, and has a good heat conducting and insulating effect.

In this embodiment (please refer to fig. 1), the sheath 1 is made of copper material, so as to improve the utilization efficiency of the device.

It should be noted that the utility model relates to a mineral insulation heating cable, which comprises a sheath 1, a heating core 2, an insulating layer 3, a PVC outer sheath 4, an adjusting groove 5, an adjusting plate 6, an adjusting rod 7, a spring 8, a limiting groove 9, a limiting block 10, a protective paint 11, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the cable are known by technicians through technical manuals or conventional experimental methods, when the PVC outer sheath 4 is extruded and bent in a small range during working, a plurality of groups of adjusting rods 7 are fixedly arranged on the inner wall of the PVC outer sheath 4, the adjusting rods 7 penetrate through the adjusting groove 5 and are movably connected, the adjusting plate 6 connected with the head end of the adjusting rod 7 can be pushed to move in the adjusting groove 5, the spring 8 is further extruded, when an external object is moved away, the PVC outer sheath 4 can be pushed to reset through, has good compression resistance and bending resistance.

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 of the invention. 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. A mineral insulated heating cable, characterized by comprising a sheath (1) and an adjusting plate (6);

The cross section of the sheath (1) is square, the heating core body (2) is horizontally arranged in the sheath (1), the insulating layer (3) is filled in the sheath (1), the PVC outer sheath (4) with the circular cross section is sleeved on the outer side of the sheath (1), and the middle parts of the upper surface, the lower surface, the left side and the right side of the sheath (1) are respectively provided with a plurality of groups of adjusting grooves (5);

The inside of adjustment tank (5) is arranged in adjustment plate (6), the outside middle part fixed mounting of adjustment plate (6) has regulation pole (7), the inner wall fixed connection of adjustment tank (5) and PVC oversheath (4) is run through to the end of adjusting pole (7), the outer wall cover of adjusting pole (7) is equipped with spring (8), the outside of sheath (1) and PVC oversheath (4) are arranged in between inboard in spring (8).

2. A mineral-insulated heating cable according to claim 1, characterized in that: spacing groove (9) have been seted up to the vertical symmetry in left side and the right side inner wall middle part of adjustment tank (5), stopper (10) are installed to the left side and the right side middle part symmetry of regulating plate (6), spacing groove (9) and stopper (10) sliding connection.

3. A mineral-insulated heating cable according to claim 1, characterized in that: the outer wall of the PVC outer sheath (4) is sprayed with anticorrosive paint (11).

4. A mineral-insulated heating cable according to claim 1, characterized in that: the insulating layer (3) is made of magnesium oxide material.

5. A mineral-insulated heating cable according to claim 1, characterized in that: the sheath (1) is made of copper material.