Splicing structure of electric tracing band

Abstract

The utility model discloses a splicing structure of an electric tracing band, which belongs to the technical field of electric tracing, and comprises a protective shell used for protecting the electric tracing band, the top of the protective shell is provided with a fixing bolt, the periphery of the fixing bolt is connected with a lifting plate, the bottom of the fixing bolt is provided with an arc-shaped upper pressing plate, and the arc-shaped upper pressing plate is connected with the lifting plate. An arc-shaped upper pressing plate is installed on the side face of the lifting plate, an arc-shaped lower pressing plate is installed on the side face of the lifting plate, upper pressing blocks used for fixing an electric tracing band are installed on the two sides of the arc-shaped upper pressing plate, lower pressing blocks used for fixing the electric tracing band are installed on the two sides of the arc-shaped lower pressing plate, lower connecting frames are connected to the side faces of the lower pressing blocks, and upper connecting frames are connected to the side faces of the upper pressing blocks. Sliding blocks are installed on the side faces of the arc-shaped upper pressing plate and the arc-shaped lower pressing plate, a sliding groove is formed in the vertical inner wall of the protection shell, and by means of the structure, the connection strength of the splicing structure of the electric tracing band is enhanced, the installation precision is guaranteed, and the long-term stability is high.

Description

TECHNICAL FIELD

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

[0002] Electric heat tracing band is widely used in petroleum, chemical industry, electric power, medicine and other industries, for maintaining the temperature of pipeline, tank and other equipment, to prevent freezing or solidification of medium in low temperature environment. However, in the actual installation process, electric heat tracing band is often spliced to meet the needs of different lengths. The existing electric heat tracing band splicing structure can meet the basic splicing needs, but the splicing structure of electric heat tracing band has insufficient connection strength, installation accuracy is difficult to guarantee, and long-term stability is poor.

[0003] After searching, Chinese patent document (authorized announcement number CN221429125U) provides a kind of splicing structure of electric heat tracing band, including electric heat tracing band and terminal, further including following structure: shell, the top end and bottom end inboard of the shell are fixed with winding cavity;Two outer partitions, the left end and right end of the outer partition are fixed with outer wire hole;Two inner partitions, the left end and right end of the inner partition are fixed with inner wire hole, the design of isolation column, electric heat tracing band wire is wound outside isolation column, the wire of electric heat tracing band is positioned by outer partition and inner partition, avoid the process that electric heat tracing band is pulled by external force, the wire of electric heat tracing band is directly extracted from shell along its axial direction, the cooperation of interval slot on shell and terminal, complete the installation position locking of terminal in shell, further improve the anti-pulling protection of electric heat tracing band wire of this product, solve the problem of insufficient anti-pulling protection of existing electric heat tracing band using heat calculation pipe splicing, the electric heat tracing band splicing structure can meet the basic splicing needs, but the splicing structure of electric heat tracing band has insufficient connection strength, installation accuracy is difficult to guarantee, and long-term stability is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of splicing structure of electric heat tracing band to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of splicing structure of electric heat tracing band, including the protection shell for protecting electric heat tracing band, the top of the protection shell is provided with fixed bolt, the outer periphery of the fixed bolt is connected with lifting plate, the bottom of the fixed bolt is provided with arc upper pressing plate, the side surface of the lifting plate is installed with arc lower pressing plate, the two sides of the arc upper pressing plate are installed with the upper pressing block for fixing electric heat tracing band, the two sides of the arc lower pressing plate are installed with the lower pressing block for fixing electric heat tracing band, the side surface of the lower pressing block is connected with lower connecting frame, the side surface of the upper pressing block is connected with upper connecting frame, the side surface of the arc upper pressing plate and arc lower pressing plate is installed with sliding block, the vertical inner wall of the protection shell is provided with sliding groove.

[0006] Preferably, the top of the arc-shaped lower pressing plate is provided with a hollow column, and the inside of the hollow column is provided with a spring.

[0007] Preferably, the end of the spring away from the arc-shaped lower pressing plate is connected with a connecting column, and the end of the connecting column away from the spring is provided with an arc-shaped clamping plate used for splicing of the electric heat tracing band.

[0008] Preferably, the two ends of the arc-shaped clamping plate are provided with bearings, the movable part of the bearings is connected with a fixed plate, and the top of the hollow column is provided with a resisting plate.

[0009] Preferably, the top of the protective shell is provided with a threaded hole used for fixation.

[0010] Preferably, the side surface of the protective shell is provided with a sealing cover, and the side surface of the sealing cover is provided with a wedge-shaped block.

[0011] Preferably, the side surface of the protective shell is provided with a sealing cover, and the side surface of the sealing cover is provided with an electric heat tracing band line through hole used for fixation of the electric heat tracing band, and the inside of the electric heat tracing band line through hole is provided with a sealing rubber ring.

[0012] Compared with the prior art, the technical effects and advantages of the electric heat tracing band splicing structure are as follows:

[0013] The electric heat tracing band splicing structure is beneficial to the structure of the arc-shaped upper pressing plate and the arc-shaped lower pressing plate, the bottom of the fixing bolt extrudes the arc-shaped upper pressing plate, the arc-shaped upper pressing plate moves downward, the fixing bolt drives the lifting plate to move upward, the lifting plate drives the arc-shaped lower pressing plate to move upward, the upper pressing block and the lower pressing block preliminarily fix the electric heat tracing band, and the arc-shaped clamping plate and the arc-shaped upper pressing plate extrude and splice the electric heat tracing band.

[0014] The electric heat tracing band splicing structure is beneficial to the structure of the hollow column, when the electric heat tracing band is extruded, the spring is contracted, the pressure of the arc-shaped clamping plate extruding the electric heat tracing band can be self-adaptively adjusted, and the electric heat tracing band is prevented from falling off due to insufficient clamping force in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0016] Figure 1The structural schematic view of the utility model;

[0017] Figure 2 The internal structure schematic view of the utility model;

[0018] Figure 3 The internal sectional view of the utility model;

[0019] Figure 4 The utility model Figure 2 The enlarged view of A in the middle.

[0020] Mark explanation:

[0021] In the figure: 1, protective shell;101, electric heat tracing band line through hole;102, sealing cover;2, sealing cover;201, wedge block;3, fixed bolt;301, screw hole;302, lifting plate;303, arc upper pressing plate;304, upper pressing block;305, lower connecting frame;306, upper connecting frame;307, lower pressing block;308, sliding block;309, sliding groove;310, arc lower pressing plate;4, hollow column;401, spring;402, connecting column;403, arc clamping plate;404, bearing;405, fixed plate;406, abutting plate. Specific implementation

[0022] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious for those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid confusion with the utility model.

[0023] The connecting mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0024] For example, the utility model discloses a kind of Figures 1 to 4The splicing structure of the electric heat tracing band is characterized in that the protection shell 1 is provided with the fixed bolt 3, the outer periphery of the fixed bolt 3 is connected with the lifting plate 302, the bottom of the fixed bolt 3 is provided with the arc-shaped upper pressing plate 303, the side surface of the lifting plate 302 is mounted with the arc-shaped lower pressing plate 310, the two sides of the arc-shaped upper pressing plate 303 are mounted with the upper pressing block 304 for fixing the electric heat tracing band, the two sides of the arc-shaped lower pressing plate 310 are mounted with the lower pressing block 307 for fixing the electric heat tracing band, the side surface of the lower pressing block 307 is connected with the lower connecting frame 305, the side surface of the upper pressing block 304 is connected with the upper connecting frame 306, the fixed bolt 3 is rotated, the bottom of the fixed bolt 3 extrudes the arc-shaped upper pressing plate 303, the arc-shaped upper pressing plate 303 moves downward, the fixed bolt 3 drives the lifting plate 302 to move upward, the lifting plate 302 drives the arc-shaped lower pressing plate 310 to move upward, the electric heat tracing band is preliminarily fixed by the upper pressing block 304 and the lower pressing block 307, the electric heat tracing band is extruded and spliced by the arc-shaped clamping plate 403 and the arc-shaped upper pressing plate 303, the side surfaces of the arc-shaped upper pressing plate 303 and the arc-shaped lower pressing plate 310 are mounted with the sliding block 308, and the vertical inner wall of the protection shell 1 is provided with the sliding groove 309.

[0025] The top of the arc-shaped lower pressing plate 310 is mounted with the hollow column 4, the inside of the hollow column 4 is provided with the spring 401, one end of the spring 401 away from the arc-shaped lower pressing plate 310 is connected with the connecting column 402, one end of the connecting column 402 away from the spring 401 is mounted with the arc-shaped clamping plate 403 for splicing the electric heat tracing band, the electric heat tracing band to be spliced is first placed on the arc-shaped clamping plate 403, the two ends of the arc-shaped clamping plate 403 are mounted with the bearing 404, the bearing 404 is prior art, and can be referred to (deep groove ball bearing) a component for fixing and reducing the load friction coefficient in the mechanical transmission process, supporting the rotating shaft or other moving body. It can be regarded as the "joint" of mechanical movement, and can ensure the stability and accuracy of the mechanical components during operation, the bearing 404 is divided into a fixed part and a movable part, the movable part of the bearing 404 is connected with the fixed plate 405, and the top of the hollow column 4 is mounted with the resisting plate 406.

[0026] The top of the protection shell 1 is provided with the threaded hole 301 for fixing, and the side surface of the protection shell 1 is provided with the sealing cover 2, the side surface of the sealing cover 2 is mounted with the wedge-shaped block 201, and the sealing cover 2 is combined with the protection shell 1 through the action of the wedge-shaped block 201.

[0027] The side surface of the protection shell 1 is mounted with the sealing cover 102, the sealing cover 102 can be disassembled according to actual conditions, the side surface of the sealing cover 102 is provided with the electric heat tracing band line through hole 101 for fixing the electric heat tracing band, and the inside of the electric heat tracing band line through hole 101 is provided with the sealing rubber ring for sealing.

[0028] Working principle

[0029] The splicing structure of the electric heat tracing band, in use, firstly places the electric heat tracing bands to be spliced on the arc-shaped clamping plate 403, rotates the fixing bolt 3, the bottom of the fixing bolt 3 extrudes the arc-shaped upper pressing plate 303, the arc-shaped upper pressing plate 303 moves downward, the fixing bolt 3 drives the lifting plate 302 to move upward, the lifting plate 302 drives the arc-shaped lower pressing plate 310 to move upward, the upper pressing block 304 and the lower pressing block 307 preliminarily fix the electric heat tracing band, the arc-shaped clamping plate 403 and the arc-shaped upper pressing plate 303 extrude and splice the electric heat tracing band, the sealing cover 2 is combined with the protective shell 1 through the action of the wedge-shaped block 201, and the sealing cover 102 can be disassembled and assembled according to actual conditions.

[0030] It should be noted that, in this document, relational terms such as one and another and at least one and containing and optionally contain and including and including and having are used solely to delineate entities or operations that are associated with or that can be associated with other entities or operations, and are not meant to convey or imply any such actual relationship or order.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A splicing structure of an electric heating cable, comprising a protective shell (1) for protecting the electric heating cable, characterized in that: A fixing bolt (3) is provided on the top of the protective shell (1), and a lifting plate (302) is connected to the outer periphery of the fixing bolt (3). An arc-shaped upper pressing plate (303) is provided on the bottom of the fixing bolt (3), and an arc-shaped lower pressing plate (310) is installed on the side of the lifting plate (302). Upper pressing blocks (304) for fixing the electric heating tape are installed on both sides of the arc-shaped upper pressing plate (303), and lower pressing blocks (307) for fixing the electric heating tape are installed on both sides of the arc-shaped lower pressing plate (310). The side of the lower pressing block (307) is connected to a lower connecting frame (305), and the side of the upper pressing block (304) is connected to an upper connecting frame (306). Sliders (308) are installed on the sides of the arc-shaped upper pressing plate (303) and the arc-shaped lower pressing plate (310), and a sliding groove (309) is provided on the vertical inner wall of the protective shell (1).

2. The splicing structure of an electric heating tape according to claim 1, characterized in that: A hollow column (4) is installed on the top of the arc-shaped lower pressure plate (310), and a spring (401) is provided inside the hollow column (4).

3. The splicing structure of an electric heating tape according to claim 2, characterized in that: One end of the spring (401) away from the arc-shaped lower pressure plate (310) is connected to a connecting column (402), and one end of the connecting column (402) away from the spring (401) is installed with an arc-shaped clamping plate (403) for splicing electric heating tapes.

4. The splicing structure of an electric heating tape according to claim 3, characterized in that: Bearings (404) are installed at both ends of the arc-shaped clamping plate (403), the movable portion of the bearing (404) is connected to a fixed plate (405), and a support plate (406) is installed at the top of the hollow column (4).

5. The splicing structure of an electric heating tape according to claim 1, characterized in that: The top of the protective shell (1) is provided with a threaded hole (301) for fixing.

6. The splicing structure of an electric heating tape according to claim 1, characterized in that: A sealing cover (2) is provided on the side of the protective shell (1), and a wedge-shaped block (201) is installed on the side of the sealing cover (2).

7. The splicing structure of an electric heating tape according to claim 1, characterized in that: A sealing cover (102) is installed on the side of the protective shell (1), and an electric heating tape line through hole (101) for fixing the electric heating tape is provided on the side of the sealing cover (102), and a sealing rubber ring is provided inside the electric heating tape line through hole (101).

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