Splicing structure of electric heat tracing band

Abstract

The utility model provides a kind of splicing structure of electric heat tracing band.The splicing structure of electric heat tracing band includes: two groups of the connecting bolt are located in the adjacent one end of first heat tracing band and second heat tracing band, the outer surface of two groups of the connecting bolt is equipped with splicing head by fixed mouth, the top of the splicing head is connected with multiple fixed bolts, the outer surface of the first heat tracing band is located in the position of one end and is provided with sealing ring, the outer surface of the sealing ring is provided with first connecting frame, the outer surface of the second heat tracing band is located in the position of one end and is equipped with second connecting frame by sealing ring.The splicing structure of electric heat tracing band provided by the utility model increases the stability of electric heat tracing band splicing by fixed bolt and splicing head, and simultaneously cooperates first connecting frame, second connecting frame, heat insulation sleeve, anti-interference sleeve and protective sleeve to increase safety, which is conducive to the stability and safety of long-time use of spliced electric heat tracing band.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric heat tracing band splicing, especially to a splicing structure of electric heat tracing band. BACKGROUND

[0002] The electric heat tracing band is composed of conductive polymer, two parallel metal wires and insulation sheath, and has the characteristics of high positive temperature coefficient of the conductive polymer and automatic adjustment of output power and automatic limitation of heating temperature according to the temperature change of the heated system.

[0003] The electric heat tracing band converts electric energy into heat energy to compensate for the heat loss of the heated body in the process, so as to maintain the reasonable process temperature of the flowing medium and prevent the medium from freezing or reducing the flowability in a low-temperature environment.

[0004] The length of each electric heat tracing band is fixed, and if multiple electric heat tracing bands are needed to be used at the same time, the multiple electric heat tracing bands need to be spliced together.

[0005] Therefore, it is necessary to provide a splicing structure of electric heat tracing band to solve the above technical problems. SUMMARY

[0006] The utility model provides a splicing structure of electric heat tracing band, and solves the problem of poor stability of the existing connection mode, easy loosening and increased use risk after a long time when multiple electric heat tracing bands are spliced together and used.

[0007] To solve the above technical problems, the splicing structure of electric heat tracing band provided by the utility model comprises a first heat tracing band and a second heat tracing band.

[0008] Two groups of connecting bolts are located at one end of the first heat tracing band and the second heat tracing band, respectively, and a splicing head is installed on the outer surface of the two groups of connecting bolts through a fixed port.

[0009] The heat insulation sleeve is installed on the outer surface of the splice joint, the outer surface of the heat insulation sleeve is provided with an anti-interference sleeve, the outer surface of the anti-interference sleeve is provided with a lower protective sleeve at the bottom position, the top of the lower protective sleeve is provided with a magnetic suction piece at the front and back positions, and the top of the lower protective sleeve is provided with an upper protective sleeve through the iron piece.

[0010] Each group of connecting pins is at least two, which are divided into a live wire and a zero line, if a signal transmission line is needed, the line also needs to be connected through the splice joint, and the fixed port in the splice joint is internally provided with a power-on copper piece or a signal connecting line.

[0011] Preferably, the outer surfaces of the first connecting frame and the second connecting frame are provided with clamping grooves, and the heat insulation sleeve is made of inorganic fiber thermal insulation material.

[0012] The heat insulation sleeve is usually made of inorganic fibers such as glass fibers, asbestos, and rock wool, and has good heat insulation performance, high temperature resistance, and flame retardance.

[0013] Preferably, the outer surfaces of the first connecting frame and the second connecting frame are provided with lower protective sleeves at the bottom positions, and the outer surfaces of the first connecting frame and the second connecting frame are provided with upper protective sleeves at the top positions.

[0014] The upper protective sleeve and the lower protective sleeve are spliced together.

[0015] Preferably, the first clamping belts are fixedly connected to the inner walls of the lower protective sleeves at the bottom positions close to the two sides, and the two ends of the first clamping belts are provided with insertion ports.

[0016] The first clamping belts are clamped into the clamping grooves.

[0017] Preferably, the second clamping belts are fixedly connected to the inner walls of the upper protective sleeves at the top positions close to the two sides, and the two ends of the second clamping belts are fixedly connected with clamping blocks.

[0018] The clamping blocks are inserted into the insertion ports.

[0019] Preferably, the upper protective sleeve and the lower protective sleeve are made of rubber material, and the first connecting frame and the second connecting frame are made of polyvinyl chloride.

[0020] The upper protective sleeve and the lower protective sleeve are made of the same material as the upper protective sleeve and the lower protective sleeve.

[0021] Compared with the related art, the splice structure of the electric heat tracing band has the following beneficial effects:

[0022] The utility model provides a kind of splicing structure of electric heat tracing band, to increase the stability and security of the splicing of multiple electric heat tracing bands, two fixed ports are set in the both ends of splice joint, and four fixed bolts are installed on the top of splice joint and the position of fixed port is corresponding, just can the connecting bolt of electric heat tracing band be fixed in fixed port, and heat insulation sleeve, anti-interference sleeve and upper protective sleeve and lower protective sleeve protective sleeve are sequentially installed on the outer surface of splice joint, can protect splice joint, and in the first heat tracing band and second heat tracing band and splice joint connecting place, it is through first connecting frame and second connecting frame to increase sealing, through the design through fixed bolt and splice joint increase the stability of electric heat tracing band splicing, simultaneously cooperate first connecting frame, second connecting frame, heat insulation sleeve, anti-interference sleeve and protective sleeve increase security, it is favorable to the stability and security of long time use of splicing electric heat tracing band. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A preferred embodiment structure schematic view of the splicing structure of electric heat tracing band provided by the utility model is shown in the figure;

[0024] Figure 2 The structure schematic view of anti-interference sleeve provided by the utility model is shown in the figure;

[0025] Figure 3 The structure schematic view of heat insulation sleeve provided by the utility model is shown in the figure; Figure 2 The enlarged view of the A place shown in the figure;

[0026] Figure 4 The structure schematic view of heat insulation sleeve provided by the utility model is shown in the figure;

[0027] Figure 5 The enlarged view of the B place shown in the figure. Figure 4

[0028] Mark in the figure: 1, first heat tracing band, 2, upper protective sleeve, 3, second heat tracing band, 4, lower protective sleeve, 5, socket, 6, first clamping band, 7, clamping groove, 8, first connecting frame, 9, sealing ring, 10, connecting bolt, 11, anti-interference sleeve, 12, splice joint, 13, lower protective sleeve, 14, second connecting frame, 15, upper protective sleeve, 16, magnetic attraction piece, 17, fixed port, 18, fixed bolt, 19, heat insulation sleeve, 20, second clamping band, 21, clamping block, 22, iron sheet. DETAILED DESCRIPTION

[0029] The utility model is further described below in combination with the drawings and embodiment.

[0030] Please combine with Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 Among them, Figure 1 ​A schematic diagram of a preferred embodiment of the splicing structure of the electric heating tape provided by this utility model; Figure 2 A structural schematic diagram of the protective sleeve provided for this utility model; Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown; Figure 4 A structural schematic diagram of the heat insulation sleeve is provided for this utility model; Figure 5 Provided for this utility model Figure 4 The enlarged view at point B is shown. The splicing structure of the electric heating tape includes: first heating tape 1 and second heating tape 3;

[0031] Two sets of connecting bolts 10 are respectively located at one end of the first heat tracing cable 1 and the second heat tracing cable 3. The outer surfaces of the two sets of connecting bolts 10 are fitted with splice joints 12 through fixing ports 17. The top of the splice joints 12 is threaded with multiple fixing bolts 18. A sealing ring 9 is provided at one end of the outer surface of the first heat tracing cable 1. A first connecting frame 8 is provided on the outer surface of the sealing ring 9. A second connecting frame 14 is installed at one end of the outer surface of the second heat tracing cable 3 through the sealing ring 9.

[0032] A heat insulation sleeve 19 is installed on the outer surface of the splice joint 12. An anti-interference sleeve 11 is provided on the outer surface of the heat insulation sleeve 19. A lower protective sleeve 13 is provided at the bottom of the outer surface of the anti-interference sleeve 11. Magnetic suction pieces 16 are installed on the top of the lower protective sleeve 13 at both the front and back positions. An upper protective sleeve 15 is installed on the top of the lower protective sleeve 13 through an iron sheet 22.

[0033] Each set of connectors 10 has at least two, one for live wire and one for neutral wire. If signal transmission is required, it also needs to be connected through the connector 12. The fixing port 17 on the connector 12 is equipped with a live copper plate or signal connection wire. The connector 12 is composed of connecting copper plate and high-temperature resistant ceramic. The fixing port 17 is through on both sides of the connector 12. The fixing bolt 18 is positioned corresponding to the fixing port 17. The connector 10 can be fixed in the fixing port 17 by fixing bolt 18. The upper protective sleeve 15 is located on the upper part of the outer surface of the anti-interference sleeve 11. The two ends of the upper protective sleeve 15 and the lower protective sleeve 13 are respectively stuck on the inner surface of the first connecting frame 8 and the second connecting frame 14. The iron plate 22 and the magnetic plate 16 attract each other.

[0034] The outer surfaces of the first connecting frame 8 and the second connecting frame 14 are both provided with slots 7, and the heat insulation sleeve 19 is made of inorganic fiber heat insulation material;

[0035] The heat insulation sleeve 19 is usually made of inorganic fibers such as glass fiber, asbestos, and rock wool, and has good heat insulation performance, high temperature resistance and flame retardancy. The slot 7 is square.

[0036] The outer surface of the first connecting frame 8 and the second connecting frame 14 at the bottom is provided with a lower protective sleeve 4, and the outer surface of the first connecting frame 8 and the second connecting frame 14 at the top is provided with an upper protective sleeve 2;

[0037] The upper protective sleeve 2 and the lower protective sleeve 4 are spliced together, can cover the structure between the first connecting frame 8 and the second connecting frame 14, and play a protective role.

[0038] The bottom of the inner wall of the lower protective sleeve 4 is fixedly connected with a first clamping belt 6 near both sides, and the both ends of the first clamping belt 6 are provided with sockets 5;

[0039] The first clamping belt 6 is clamped into the inner part of the clamping groove 7, and the position of the socket 5 is referenced Figure 2 .

[0040] The top of the inner wall of the upper protective sleeve 2 is fixedly connected with a second clamping belt 20 near both sides, and the both ends of the second clamping belt 20 are fixedly connected with clamping blocks 21;

[0041] The clamping block 21 is inserted into the inner part of the socket 5, so that the upper protective sleeve 2 and the lower protective sleeve 4 can be assembled together.

[0042] The upper protective sleeve 2 and the lower protective sleeve 4 are made of rubber material, and the first connecting frame 8 and the second connecting frame 14 are made of polyvinyl chloride;

[0043] The upper protective sleeve 15 and the lower protective sleeve 13 are made of the same material as the upper protective sleeve 2 and the lower protective sleeve 4.

[0044] The working principle of the splicing structure of the electric heat tracing band is as follows:

[0045] Two fixing holes 17 are arranged at both ends of the splice joint 12, four fixing bolts 18 are arranged on the top of the splice joint 12 and correspond to the positions of the fixing holes 17, the connecting bolt 10 of the electric heat tracing pipe can be fixed in the fixing hole 17, the heat insulation sleeve 19, the anti-interference sleeve 11 and the upper protection sleeve 15 and the lower protection sleeve 13 are arranged on the outer surface of the splice joint 12 in sequence, the splice joint 12 can be protected, the sealing performance of the connection between the first heat tracing pipe 1 and the second heat tracing pipe 3 and the splice joint 12 is improved by the first connecting frame 8 and the second connecting frame 14, the connecting bolt 10 of the first heat tracing pipe 1 and the second heat tracing pipe 3 is inserted into the fixing hole 17 on the two sides of the splice joint 12 respectively in actual use, the connecting bolt 10 and the splice joint 12 are connected by the four fixing bolts 18, the lower protection sleeve 12 and the upper protection sleeve 15 are connected together by the magnetic attraction piece 16 and the iron piece 22 on the outer surface of the splice joint 12, the heat insulation sleeve 19 and the anti-interference sleeve 11 are protected by the protection sleeve, and the outer surfaces of the protection sleeve are respectively in contact with one end of the first connecting frame 8 and the second connecting frame 14, so that the sealing performance of the connection between the first heat tracing pipe 1 and the second heat tracing pipe 3 and the splice joint 12 is improved.

[0046] Compared with the related art, the splice structure of the electric heat tracing pipe has the following beneficial effects:

[0047] In order to improve the stability and safety of the splice of the plurality of electric heat tracing pipes, two fixing holes 17 are arranged at both ends of the splice joint 12, four fixing bolts 18 are arranged on the top of the splice joint 12 and correspond to the positions of the fixing holes 17, the connecting bolt 10 of the electric heat tracing pipe can be fixed in the fixing hole 17, the heat insulation sleeve 19, the anti-interference sleeve 11 and the upper protection sleeve 15 and the lower protection sleeve 13 are arranged on the outer surface of the splice joint 12 in sequence, the splice joint 12 can be protected, the sealing performance of the connection between the first heat tracing pipe 1 and the second heat tracing pipe 3 and the splice joint 12 is improved by the first connecting frame 8 and the second connecting frame 14, the connecting bolt 10 of the first heat tracing pipe 1 and the second heat tracing pipe 3 is inserted into the fixing hole 17 on the two sides of the splice joint 12 respectively in actual use, the connecting bolt 10 and the splice joint 12 are connected by the four fixing bolts 18, the lower protection sleeve 12 and the upper protection sleeve 15 are connected together by the magnetic attraction piece 16 and the iron piece 22 on the outer surface of the splice joint 12, the heat insulation sleeve 19 and the anti-interference sleeve 11 are protected by the protection sleeve, and the outer surfaces of the protection sleeve are respectively in contact with one end of the first connecting frame 8 and the second connecting frame 14, so that the sealing performance of the connection between the first heat tracing pipe 1 and the second heat tracing pipe 3 and the splice joint 12 is improved.

[0048] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion in the utility model specification and the attached drawing contents or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A splicing structure for an electric heating tape, characterized in that, Include: The first heat tracing band, the second heat tracing band; Two groups of connecting studs, two groups of the connecting studs are located at one end adjacent to the first heat tracing band and the second heat tracing band, the outer surface of two groups of the connecting studs is provided with a splice joint through a fixed port, the top of the splice joint is screw connected with a plurality of fixing bolts, the outer surface of the first heat tracing band is provided with a sealing ring at one end, the outer surface of the sealing ring is provided with a first connecting frame, the outer surface of the second heat tracing band is provided with a second connecting frame through a sealing ring at one end; The heat insulation sleeve is installed on the outer surface of the splice joint, the outer surface of the heat insulation sleeve is provided with an anti-interference sleeve, the outer surface of the anti-interference sleeve is provided with a lower protective sleeve at the bottom, the top of the lower protective sleeve is provided with a magnetic piece at the front and back, the top of the lower protective sleeve is provided with an upper protective sleeve through the iron sheet.

2. The splicing structure of the electric heat tracing band according to claim 1, characterized by The outer surface of the first connecting frame and the second connecting frame is provided with a clamping groove, the heat insulation sleeve is made of inorganic fiber thermal insulation material.

3. The splicing arrangement of an electric heat tracing band according to claim 1, characterized in that, The outer surface of the first connecting frame and the second connecting frame is provided with a lower protective sleeve at the bottom, the outer surface of the first connecting frame and the second connecting frame is provided with an upper protective sleeve at the top.

4. The splicing construction of an electric heat tracing band according to claim 3, characterized by The bottom of the inner wall of the lower protective sleeve is fixedly connected with a first clamping belt near the two sides, and the two ends of the first clamping belt are provided with a socket.

5. The splicing arrangement of an electric heat tracing band according to claim 3, characterized in that, The top of the inner wall of the upper protective sleeve is fixedly connected with a second clamping belt near the two sides, and the two ends of the second clamping belt are fixedly connected with a clamping block.

6. The splicing arrangement of an electric heat tracing band according to claim 3, characterized in that, The upper protective sleeve and the lower protective sleeve are rubber materials, and the first connecting frame and the second connecting frame are polyvinyl chloride.

Images