Electric heater for pipeline

Abstract

The utility model discloses an electric heater for a pipeline, which comprises a protection box arranged on the pipeline and a cover plate arranged on the protection box, a power connection head is arranged in the protection box, one end of the power connection head is provided with a heating pipe, the shape of the heating pipe is L-shaped, one end of the heating pipe is symmetrically arranged in the pipeline, and the other end of the heating pipe is connected with the cover plate. The surface of the pipeline and the bottom of the protection box are each provided with an opening allowing the heating pipe to pass through, and the power connection heads are installed on the upper sides of the openings. A sealing seat is arranged on the surface of the pipeline, and the protection box is fixed to the upper side of the pipeline through the sealing seat; a first supporting plate and a second supporting plate are fixedly mounted on the inner wall of the protection box; through the designed heating pipe and the protection box, the heating pipe is installed in the pipeline in an L shape during use, so that the length of the heating pipe in the pipeline is increased, a medium flowing through the pipeline is conveniently and fully heated, a plurality of heaters do not need to be installed, and the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric heaters, and in particular relates to an electric heater for a pipeline. Background Art

[0002] Electric heaters are electrical appliances that use electrical energy to achieve heating effects. They are small in size, high in heating power, widely used, and use intelligent control modes. They have high temperature control accuracy and can be connected to computers. They have a wide range of applications, long life, and high reliability. The core of the heater principle is energy conversion, and the most common is the conversion of electrical energy into thermal energy.

[0003] In view of the above-mentioned related technologies, the inventors believe that:

[0004] When used in a pipeline, the existing electric heater is usually inserted into the pipeline in a vertical shape. When in use, it cannot fully enhance the liquid flowing through the pipeline. Multiple heaters need to be installed, which increases the cost. Therefore, it is necessary to design an electric heater for pipelines to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an electric heater for a pipeline to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric heater for a pipeline, comprising a protection box installed on the pipeline and a cover plate installed on the protection box, an electrical connection head is arranged inside the protection box, a heating tube is installed at one end of the electrical connection head, the shape of the heating tube is set to be L-shaped, and one end of the heating tube is symmetrically installed in the pipeline, the surface of the pipeline and the bottom of the protection box are both provided with openings for the heating tube to pass through, and the electrical connection head is installed on the upper side of the opening.

[0007] Preferably, a sealing seat is provided on the surface of the pipeline, and the protection box is fixed to the upper side of the pipeline through the sealing seat.

[0008] Preferably, a first support plate and a second support plate are fixedly mounted on the inner wall of the protection box, a first pressing plate is mounted on the upper side of the first support plate, a second pressing plate is mounted on the upper side of the second support plate, and the first pressing plate is pressed on the second pressing plate and fixed by screws.

[0009] Preferably, a sealing baffle is fixedly mounted on the lower side of the second pressing plate, and the lower end of the sealing baffle is located between the electrical terminals.

[0010] Preferably, clamping plates are fixedly mounted on both ends of the first pressing plate, and the clamping plates are pressed on the upper side of the electrical connector.

[0011] Preferably, a limiting pressure plate is fixedly mounted on the lower surface of the cover plate, and the limiting pressure plate is pressed on the upper side of the first pressure plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the designed heating tube and protection box, the heating tube is installed in an L shape inside the pipeline when in use, thereby extending the length of the heating tube in the pipeline, making it convenient to fully heat the medium flowing through the pipeline, without installing multiple heaters to reduce costs.

[0014] 2. Through the designed limiting pressure plate, the first pressure plate and the second pressure plate, the connecting head is limited by the second pressure plate and the sealing partition when in use, the second pressure plate is pressed by the first pressure plate and the limiting pressure plate, and the first pressure plate is pressed on the connecting head through the tightening plate, thereby ensuring that the installation of the connecting head is more convenient, and the connecting head and the heating tube can be quickly removed for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the protection box structure of the utility model;

[0018] In the figure: 1. pipeline; 2. heating tube; 3. sealing seat; 4. protection box; 5. cover plate; 6. electrical connector; 7. sealing partition; 8. first support plate; 9. pressing plate; 10. second support plate; 11. first pressing plate; 12. second pressing plate; 13. limit pressing plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] Example 1: Please refer to Figures 1 to 3The utility model provides a technical solution: an electric heater for a pipeline, comprising a protection box 4 installed on a pipeline 1 and a cover plate 5 installed on the protection box 4, an electric connector 6 is arranged inside the protection box 4, a heating tube 2 is installed at one end of the electric connector 6, the shape of the heating tube 2 is set to be L-shaped, and one end of the heating tube 2 is symmetrically installed in the pipeline 1, the surface of the pipeline 1 and the bottom of the protection box 4 are both provided with openings for the heating tube 2 to pass through, the electric connector 6 is installed on the upper side of the opening, firstly, one end of the heating tube 2 is inserted into the pipeline 1 through the pipeline 1 and the bottom opening of the protection box 4, and then the heating tube 2 is rotated and completely inserted into the pipeline 1, and the two heating tubes 2 are symmetrically installed in the pipeline 1, the electric connector 6 is pressed on the opening and sealed by a sealing ring; a sealing seat 3 is arranged on the surface of the pipeline 1, the protection box 4 is fixed to the upper side of the pipeline 1 through the sealing seat 3, and the sealing ability of the connection between the protection box 4 and the pipeline 1 is strengthened by the sealing seat 3 when in use.

[0021] From the above description, it can be seen that the utility model has the following beneficial effects: when in use, the heating tube 2 is installed in an L shape inside the pipeline 1, thereby extending the length of the heating tube 2 in the pipeline 1, facilitating full heating of the medium flowing through the pipeline 1, and eliminating the need to install multiple heaters to reduce costs.

[0022] Example 2: Please refer to Figures 1 to 3 As shown, on the basis of the first embodiment, the utility model provides a technical solution: the inner wall of the protection box 4 is fixedly installed with a first support plate 8 and a second support plate 10, the upper side of the first support plate 8 is installed with a first pressing plate 11, the upper side of the second support plate 10 is installed with a second pressing plate 12, and the first pressing plate 11 is pressed on the second pressing plate 12 and fixed by screws, so that the first pressing plate 11 is pressed on the second pressing plate 12 and quickly installed on the inner side of the protection box 4; the lower side of the second pressing plate 12 is fixedly installed with a sealing partition 7, the lower end of the sealing partition 7 is located between the connecting heads 6, and the sealing partition 7 is used to limit the connection between the connecting heads 6 , and strengthen the sealing of the position between the docking heads 6; clamping plates 9 are fixedly installed at both ends of the first pressing plate 11, and the clamping plates 9 are pressed on the upper side of the docking heads 6. The docking heads 6 are stably installed through the clamping plates 9, and the sealing of the connection between the docking heads 6 and the protection box 4 is ensured; a limiting pressing plate 13 is fixedly installed on the lower surface of the cover plate 5, and the limiting pressing plate 13 is pressed on the upper side of the first pressing plate 11. When in use, the limiting pressing plate 13 is pressed to ensure that the first pressing plate 11, the second supporting plate 10, the clamping plate 9 and the sealing partition 7 are limited and fixed to the docking heads 6, and the sealing of the connection between the docking heads 6 and the bottom of the protection box 4 is strengthened.

[0023] By adopting the above technical solution, the connection head 6 is limited by the second pressure plate 12 and the sealing partition 7 during use, the second pressure plate 12 is pressed by the first pressure plate 11 and the limiting pressure plate 13, and the first pressure plate 11 is pressed on the connection head 6 through the clamping plate 9, thereby ensuring that the connection head 6 is more convenient to install and the connection head 6 and the heating tube 2 can be quickly removed for maintenance.

[0024] The working principle and use process of the utility model are as follows: when in use, first insert one end of the heating tube 2 into the pipe 1 through the pipe 1 and the bottom opening of the protection box 4, then rotate the heating tube 2 to completely insert it into the pipe 1, and the two heating tubes 2 are symmetrically installed in the pipe 1, press the power head 6 on the opening and seal it through the sealing ring, place the second pressing plate 12 on the second supporting plate 10, and the sealing partition 7 is tightly attached between the two power heads 6, so as to position the power head 6, and at the same time, the pressing plates 9 at both ends of the first pressing plate 11 are pressed on the power head 6 to strengthen the fixation, and finally fix the cover plate 5 on the protection box 4, so that the limiting pressing plate 13 is pressed on the first pressing plate 11 to complete the installation, and when the heating tube 2 needs to be removed for inspection, cleaning or replacement later, it is only necessary to open the cover plate 5 and take out the second supporting plate 10 and the second pressing plate 12 in turn, so as to pull out the sealing partition 7 and the pressing plate 9, and then take down the power head 6 and the heating tube 2, and the disassembly and assembly are more convenient and quick during use.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. An electric heater for a pipeline, comprising a protection box (4) mounted on a pipeline (1) and a cover plate (5) mounted on the protection box (4), characterized in that: An electrical connection head (6) is provided inside the protection box (4), a heating tube (2) is installed at one end of the electrical connection head (6), the shape of the heating tube (2) is set to be L-shaped, and one end of the heating tube (2) is symmetrically installed in the pipeline (1), the surface of the pipeline (1) and the bottom of the protection box (4) are both provided with openings for the heating tube (2) to pass through, and the electrical connection head (6) is installed on the upper side of the opening.

2. The electric heater for pipeline according to claim 1, characterized in that: A sealing seat (3) is provided on the surface of the pipeline (1), and the protection box (4) is fixed to the upper side of the pipeline (1) via the sealing seat (3).

3. The electric heater for pipeline according to claim 1, characterized in that: A first support plate (8) and a second support plate (10) are fixedly mounted on the inner wall of the protection box (4); a first pressing plate (11) is mounted on the upper side of the first support plate (8); a second pressing plate (12) is mounted on the upper side of the second support plate (10); and the first pressing plate (11) is pressed on the second pressing plate (12) and fixed by screws.

4. The electric heater for pipeline according to claim 3, characterized in that: A sealing partition (7) is fixedly mounted on the lower side of the second pressing plate (12), and the lower end of the sealing partition (7) is located between the electrical terminals (6).

5. The electric heater for pipeline according to claim 3, characterized in that: The two ends of the first pressing plate (11) are fixedly mounted with clamping plates (9), and the clamping plates (9) are pressed on the upper side of the electrical connector (6).

6. The electric heater for pipeline according to claim 3, characterized in that: A limiting pressure plate (13) is fixedly mounted on the lower surface of the cover plate (5), and the limiting pressure plate (13) is pressed on the upper side of the first pressure plate (11).

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