Heating pipe

Abstract

The utility model relates to the technical field of heating equipment, in particular to a heating pipe which comprises a connecting cylinder and further comprises a heating ring connected to the annular side face of the connecting cylinder, and installation rings are installed on the two sides, close to the heating ring, of the annular side face of the connecting cylinder. Under the action of gas extrusion force, the annular elastic air bag elastically deforms to drive the cleaning ring to move towards the interior of the insulating curing coating until the cleaning ring returns to the position in the initial state to shield the heating ring, and meanwhile, bristles on the cleaning ring can clean the surface of the heating ring in the moving process of the cleaning ring, so that the surface of the heating ring is cleaned. And the working effect of the heating ring in the subsequent working process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to a heating tube. Background Art

[0002] Heating tubes are devices used to heat liquids, gases or solids, usually made of metal, ceramic or other materials. They are widely used in heating processes in industrial production, and can also be found in household appliances, automobiles and other fields.

[0003] For heating tubes that are used to heat the air directly outside, since the heating tubes are in direct contact with the air, the surface of the heating tubes needs to be cleaned regularly to ensure their normal operation and extend their service life. Dirt on the surface of the heating tubes will affect the heat transfer efficiency, reduce the heating effect, and even cause the heating tubes to malfunction.

[0004] In the prior art, the dirt on the surface of the heating tube is generally wiped gently with a soft cloth or a brush. Although the surface of the heating tube can be cleaned well, the operator needs to remove the access tube to clean the heating tube, which is troublesome and has low cleaning efficiency. In addition, the operator needs to clean the heating tube regularly to ensure the continuous heating effect of the heating tube. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a heating tube, which can effectively solve the problem of troublesome cleaning operation of the heating tube in the prior art.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The utility model provides a heating tube, comprising a connecting tube, and also comprising a heating ring connected to the annular side surface of the connecting tube, mounting rings are installed on both sides of the annular side surface of the connecting tube close to the heating ring, the adjacent surfaces of the two mounting rings are connected to annular elastic air bags, the ends of the annular elastic air bags are connected to cleaning rings, the annular inner side surface of the cleaning ring is connected to evenly distributed bristles, and a driving member for driving the cleaning ring to move is provided inside the connecting tube.

[0008] Furthermore, the driving member includes two partitions symmetrically connected to the inner side of the connecting tube, the middle of the partition is elastically slidably connected to the working type movable block, and the cavity between the partition and the working type movable block near the heating ring is filled with gas that is easily expanded when heated.

[0009] Furthermore, the driving member also includes a connecting groove opened inside the mounting ring, and the annular elastic airbag and the connecting tube are connected to each other through the connecting groove.

[0010] Furthermore, evenly distributed exhaust grooves are provided inside the cleaning ring, one end of the exhaust groove is communicated with the annular elastic airbag, and the other end of the exhaust groove extends to the annular inner side surface of the cleaning ring.

[0011] Furthermore, the inner side surfaces of both ends of the connecting tube are connected with elastic rings.

[0012] Furthermore, the cross-sectional area of ​​the exhaust groove is smaller than the cross-sectional area of ​​the connecting groove.

[0013] Furthermore, an insulating cured coating is coated on the surface of the heating ring.

[0014] Furthermore, the thickness of the insulating cured coating is 0.1 mm-0.5 mm.

[0015] Compared with the known prior art, the technical solution provided by the utility model has the following beneficial effects:

[0016] Under the action of gas extrusion force, the annular elastic airbag undergoes elastic deformation to drive the cleaning ring to move toward the insulating cured coating until it returns to the position in the initial state to cover the heating ring. At the same time, during the movement of the cleaning ring, the bristles on the cleaning ring will clean the surface of the heating ring to ensure the working effect of the heating ring in subsequent work processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0020] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 For the present invention Figure 2 Enlarged view of point B in the middle.

[0022] The numbers in the figure represent: 1. connecting tube; 2. heating ring; 3. insulating curing coating; 4. mounting ring; 5. annular elastic airbag; 6. cleaning ring; 7. bristles; 8. connecting groove; 9. partition; 10. workpiece movable block; 11. elastic ring; 12. exhaust groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] Example: Refer to Figures 1 to 4 A heating tube comprises a connecting tube 1, and also comprises a heating ring 2 connected to the annular side surface of the connecting tube 1, mounting rings 4 are installed on both sides of the annular side surface of the connecting tube 1 close to the heating ring 2, the adjacent surfaces of the two mounting rings 4 are connected to annular elastic air bags 5, the ends of the annular elastic air bags 5 are connected to cleaning rings 6, the annular inner side surface of the cleaning ring 6 is connected to evenly distributed bristles 7, and a driving member for driving the cleaning ring 6 to move is provided inside the connecting tube 1.

[0026] The driving member includes two partitions 9 symmetrically connected to the inner side of the connecting tube 1, and the middle of the partition 9 is elastically slidably connected to the work-shaped movable block 10. The cavity between the partition 9 and the work-shaped movable block 10 near the heating ring 2 is filled with gas that is easily expanded when heated.

[0027] The driving member further includes a connecting groove 8 provided inside the mounting ring 4 , and the annular elastic airbag 5 is communicated with the connecting tube 1 via the connecting groove 8 .

[0028] When the heating ring 2 is not in use, the annular elastic airbag 5 wraps the heating ring 2 to prevent foreign matter such as dust from falling onto the heating ring 2, thereby ensuring the working effect of the heating ring 2 in subsequent work.

[0029] Furthermore, when the heating ring 2 is working, the heating ring 2 generates heat. Since the cavity between the partition 9 and the workpiece movable block 10 near the heating ring 2 is filled with a gas that is easily expanded by heat, the gas may be air, carbon dioxide, etc. At this time, the gas expands, and the expansion force of the gas drives the workpiece movable block 10 to move in the direction away from the partition 9 inside the connecting tube 1 to perform vacuuming. The gas inside the annular elastic airbag 5 enters the interior of the connecting tube 1 through the connecting groove 8 under the action of the suction force. At this time, the squeezing force of the gas on the annular elastic airbag 5 disappears. The annular elastic airbag 5 is a radial airbag that performs unidirectional expansion work. This is a conventional technical means in the prior art, so it will not be elaborated here. Under the elastic force of the annular elastic airbag 5 to restore its elastic deformation, the bristles 7 are driven to move in the direction away from the heating ring 2 until the annular elastic airbag 5 is not The heating ring 2 is shielded and the heating ring 2 works normally; when the heating ring 2 stops working, the heat gradually disappears, and the gas expansion force between the partition 9 and the work-shaped movable block 10 disappears. Under the elastic force of restoring the elastic deformation between the partition 9 and the work-shaped movable block 10, the work-shaped movable block 10 moves in the direction away from the insulating solidified coating 3 and squeezes the gas inside the work-shaped movable block 10. The gas enters the annular elastic airbag 5 through the connecting groove 8. Under the action of the gas squeezing force, the annular elastic airbag 5 undergoes elastic deformation and drives the cleaning ring 6 to move in the direction close to the insulating solidified coating 3 until it returns to the position in the initial state, shielding the heating ring 2. At the same time, during the movement of the cleaning ring 6, the bristles 7 on the cleaning ring 6 will clean the surface of the heating ring 2 to ensure the working effect of the heating ring 2 in the subsequent working process.

[0030] Reference Figure 2 The cleaning ring 6 is provided with evenly distributed exhaust grooves 12, one end of the exhaust groove 12 is connected to the annular elastic airbag 5, and the other end of the exhaust groove 12 extends to the annular inner side surface of the cleaning ring 6. By setting the exhaust groove 12, when the gas inside the connecting tube 1 enters the annular elastic airbag 5, part of the gas is blown toward the surface of the heating ring 2 through the exhaust groove 12. Under the action of the gas impact force, the gas further cleans the surface of the heating ring 2.

[0031] Reference Figure 2Elastic rings 11 are connected to the inner sides of both ends of the connecting tube 1. It is worth noting that the amount of gas inside the connecting tube 1 is greater than the amount of gas required for the annular elastic airbag 5 to drive the cleaning ring 6 to move to the middle of the heating ring 2, ensuring that while part of the gas is discharged through the exhaust groove 12, the cleaning ring 6 can still move to the middle of the heating ring 2. By setting the elastic ring 11, during the movement of the working movable block 10, if part of the gas cannot be discharged through the exhaust groove 12 in time, the gas squeezes the elastic ring 11, causing it to undergo elastic deformation, thereby achieving the purpose of caching gas and ensuring the normal expansion of the annular elastic airbag 5.

[0032] Reference Figures 2 to 4 The cross-sectional area of ​​the exhaust groove 12 is smaller than the cross-sectional area of ​​the connecting groove 8, ensuring that the amount of gas entering the annular elastic airbag 5 through the connecting groove 8 is greater than the amount of gas discharged through the exhaust groove 12, ensuring the normal expansion of the annular elastic airbag 5.

[0033] Reference Figure 2 The surface of the heating ring 2 is coated with an insulating solid coating 3, which has good electrical insulation properties and can effectively prevent current conduction and leakage, thereby ensuring the working effect of the heating ring 2.

[0034] Reference Figure 2 The thickness of the insulating cured coating 3 is 0.1mm-0.5mm, which can avoid the problem that the thickness of the insulating cured coating 3 is too large, affecting the heating effect of the heating ring 2, and can avoid the problem that the thickness of the insulating cured coating 3 is too small, which cannot play a protective role.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein by equivalents. These modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heating tube, comprising a connecting tube (1), characterized in that: Also includes: The annular side surface of the connecting tube (1) is connected to a heating ring (2), and mounting rings (4) are installed on both sides of the annular side surface of the connecting tube (1) close to the heating ring (2), and the adjacent surfaces of the two mounting rings (4) are connected to an annular elastic airbag (5), and the ends of the annular elastic airbag (5) are connected to a cleaning ring (6), and the annular inner side surface of the cleaning ring (6) is connected to evenly distributed bristles (7), and a driving member for driving the cleaning ring (6) to move is provided inside the connecting tube (1).

2. A heating tube according to claim 1, characterized in that: The driving member comprises two partitions (9) symmetrically connected to the inner side of the connecting tube (1); the middle of the partition (9) is elastically slidably connected to a work-type movable block (10); and a gas that easily expands when heated is contained in a cavity between the partition (9) and the work-type movable block (10) near the heating ring (2).

3. A heating tube according to claim 2, characterized in that: The driving member further comprises a connecting groove (8) formed inside the mounting ring (4), and the annular elastic airbag (5) and the connecting tube (1) are connected to each other via the connecting groove (8).

4. A heating tube according to claim 1, characterized in that: The cleaning ring (6) is provided with evenly distributed exhaust grooves (12), one end of the exhaust groove (12) is connected to the annular elastic air bag (5), and the other end of the exhaust groove (12) extends to the annular inner side surface of the cleaning ring (6).

5. The heating tube according to claim 1, characterized in that: The inner side surfaces of both ends of the connecting tube (1) are connected with elastic rings (11).

6. A heating tube according to claim 4, characterized in that: The cross-sectional area of ​​the exhaust groove (12) is smaller than the cross-sectional area of ​​the connecting groove (8).

7. The heating tube according to claim 1, characterized in that: The surface of the heating ring (2) is coated with an insulating cured coating (3).

8. A heating tube according to claim 7, characterized in that: The thickness of the insulating cured coating (3) is 0.1 mm-0.5 mm.

Images