Electric heating tube with supporting structure

Abstract

The utility model provides an electric heating tube with a supporting structure, which relates to the technical field of electric heating tubes and comprises a main seat frame, and a main body of the main seat frame is of a circular flange structure. A regulating screw rod is rotationally arranged in the middle of the main seat frame and matched with a bearing; a boss structure is arranged in the middle of the main seat frame, two groups of fixed electrode rods are fixedly arranged in the boss structure, and the six groups of fixed electrode rods are arranged in three rows; the lower end of each fixed electrode rod is of a wide-opening structure; a hinged frame is arranged, the function of controlling the heating range is provided, a regulating and controlling screw rod is rotated to move the hinged frame downwards, an inner electrode rod is pressed downwards through the hinged frame, the inner electrode rod is matched with an outer electrode rod to form a sliding block mechanism, then the outer electrode rod is swung outwards, the outer electrode rod and the inner electrode rod are unfolded outwards, and the heating range of a heating pipe is enlarged; and the inner ring of the bearing adopts graphite for heat insulation, so that deformation caused by too high connection temperature can be avoided, and the problem that the heating range of the existing electric heating pipe is inconvenient to control is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric heating tubes, and more specifically, particularly relates to an electric heating tube with a support structure. Background Art

[0002] The function of the heating tube is to heat the internal medium of the equipment, including water, air, etc. The adopted structure is mostly a fixed structure, and the medium can be heated and temperature-controlled by the principle of heating the resistance through an electric current.

[0003] Based on the above, the currently used electric heating tube has a fixed structure, a limited heating range, is inconvenient to adjust the heating range as needed, is not conducive to adjusting the heating effect, and lacks a heating effect that can be adjusted according to the range. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides an electric heating tube with a support structure to solve the problems of the existing electric heating tube having a fixed structure, a limited heating range, being inconvenient to adjust the heating range as needed, not being conducive to adjusting the heating effect, and lacking a heating effect that can be adjusted according to the range as proposed in the above background art.

[0005] The purpose and effect of an electric heating tube with a support structure of the utility model are achieved by the following specific technical means:

[0006] An electric heating tube with a support structure includes a main seat frame. The main body of the main seat frame is a circular flange structure; a regulating screw rod is rotatably arranged in the middle of the main seat frame in cooperation with a bearing; the middle of the main seat frame is a boss structure, and two groups of fixed electrode rods are fixedly arranged in the boss structure, and the six fixed electrode rods are installed in three columns; the lower ends of the fixed electrode rods are all wide-mouth structures, and outer electrode rods are rotatably arranged in the wide-mouth structures of the fixed electrode rods in cooperation with bearings; the lower ends of the outer electrode rods are all wide-mouth structures, and inner electrode rods are rotatably arranged in the wide-mouth structures of the outer electrode rods in cooperation with bearings, and the inner electrode rods are in a U-shaped structure.

[0007] Further, the fixed electrode rods, the outer electrode rods, and the inner electrode rods all adopt a hollow tube structure, and heating wires are installed inside the fixed electrode rods, the outer electrode rods, and the inner electrode rods.

[0008] Further, an articulated frame is arranged on the outside of the regulating screw rod through threaded connection, and three bearing seats are integrally arranged on the outside of the articulated frame, and the middle part of the inner electrode rod is rotatably arranged in the bearing seats of the articulated frame in cooperation with a bearing.

[0009] Further, the inner rings of the bearings of the articulated frame and the inner electrode rods are made of graphite material.

[0010] Further, the top of the fixed electrode rod is a corrugated pile head structure, and a power-on buckle is buckled on the outer end of the top of the fixed electrode rod.

[0011] Further, two columns of self-locking blocks slidably installed through spring rods are arranged around the inside of the energized buckle, and the self-locking blocks are self-locked in accordance with the outer ends of the tops of the fixed electrode rods.

[0012] Further, contact points are fixedly arranged above the inside of the energized buckle, and the tops of the two groups of contact points are connected by a live wire.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] An articulated frame is provided, which provides the function of controlling the heating range. Rotate the adjusting screw rod to move the articulated frame downward, and use the articulated frame to press the inner electrode rod downward. The inner electrode rod and the outer electrode rod cooperate to form a slider mechanism, and then swing the outer electrode rod outward, so that the outer electrode rod and the inner electrode rod are unfolded outward, increasing the heating range of the heating tube. The operation is stable and convenient. The inner ring of the bearing is made of graphite for heat insulation, which can avoid deformation caused by too high connection temperature.

[0015] An energized buckle is provided, which is convenient for flexible connection. The energized buckle is fixed by the self-locking block, the fixed electrode rod is contacted by the contact point, and the circuit is connected by the live wire. The live wire can be set as needed to adapt to the circuit of single-phase electricity or three-phase electricity to achieve the connection effect.

[0016] The fixed electrode rod, the outer electrode rod and the inner electrode rod all adopt a hollow tube structure, and heating wires are installed inside the fixed electrode rod, the outer electrode rod and the inner electrode rod, which can keep energized during the heating process and can also keep energized during the rotation process. Description of the Drawings

[0017] Figure 1 is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 is an unfolded state structural schematic diagram of the utility model.

[0019] Figure 3 is the utility model Figure 2 is a side elevation structural schematic diagram.

[0020] Figure 4 is an assembly structural schematic diagram of the outer electrode rod of the utility model.

[0021] Figure 5 is a cross-sectional structural schematic diagram of the energized buckle of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing numbers is:

[0023] 1. Main seat frame; 2. Regulation screw; 3. Fixed electrode rod; 4. Outer electrode rod; 5. Inner electrode rod; 6. Hinge frame; 7. Power-on buckle; 701. Self-locking block; 702. Contact point; 703. Power-on wire. Specific embodiments

[0024] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments.

[0025] Embodiment 1:

[0026] As shown in the attached Figure 1 to the attached Figure 5 shown:

[0027] The present utility model provides an electric heating tube with a support structure, including a main seat frame 1, the main body of the main seat frame 1 is a circular flange structure; a regulation screw 2 is rotatably arranged in the middle of the main seat frame 1 in cooperation with a bearing; the middle of the main seat frame 1 is a boss structure, and two groups of fixed electrode rods 3 are fixedly arranged in the boss structure, and the six groups of fixed electrode rods 3 are installed in three columns; the lower ends of the fixed electrode rods 3 are all wide-mouth structures, and outer electrode rods 4 are rotatably arranged in the wide-mouth structures of the fixed electrode rods 3 in cooperation with bearings; the lower ends of the outer electrode rods 4 are all wide-mouth structures, and inner electrode rods 5 are rotatably arranged in the wide-mouth structures of the outer electrode rods 4 in cooperation with bearings, and the inner electrode rods 5 are in a U-shaped structure.

[0028] Among them, the fixed electrode rods 3, the outer electrode rods 4 and the inner electrode rods 5 all adopt a hollow tube structure, and heating wires are installed inside the fixed electrode rods 3, the outer electrode rods 4 and the inner electrode rods 5.

[0029] Among them, an articulated frame 6 is arranged on the outside of the regulation screw 2 through threaded connection, and three groups of bearing seats are integrally arranged on the outside of the articulated frame 6, and the middle part of the inner electrode rod 5 is rotatably arranged in the bearing seats of the articulated frame 6 in cooperation with bearings.

[0030] Among them, the inner rings of the bearings of the articulated frame 6 and the inner electrode rod 5 are made of graphite material.

[0031] Among them, the top of the fixed electrode rod 3 is a corrugated pile head structure, and a power-on buckle 7 is buckled on the outer end of the top of the fixed electrode rod 3.

[0032] Among them, two columns of self-locking blocks 701 slidably installed through spring rods are arranged around the inside of the power-on buckle 7, and the self-locking blocks 701 are self-locked with the outer end of the top of the fixed electrode rod 3.

[0033] Among them, a contact point 702 is fixedly arranged above the inside of the power-on buckle 7, and the tops of the two groups of contact points 702 are connected by a power-on wire 703.

[0034] As Figures 1-4As shown in the figure, when it is necessary to heat in an extended manner, rotate the adjustment screw rod 2 to move the articulated frame 6 downward, and use the articulated frame 6 to press the inner electrode rod 5 downward. The inner electrode rod 5 and the outer electrode rod 4 cooperate to form a slider mechanism, and then swing the outer electrode rod 4 outward, so that the outer electrode rod 4 and the inner electrode rod 5 expand outward, increasing the heating range of the heating tube.

[0035] Embodiment 2:

[0036] On the basis of Embodiment 1, install the main seat frame 1 outside the device, connect it by flange, ensure that the fixed electrode rod 3, the outer electrode rod 4 and the inner electrode rod 5 are installed inside the device, and then set the power-on buckle 7 according to the wiring requirements. Buckle the power-on buckle 7 on the top of the fixed electrode rod 3 and fix it by self-locking of the self-locking block 701. When installing the power-on buckle 7, use the contact point 702 to contact the fixed electrode rod 3 and connect the circuit with the power-on wire 703.

[0037] Specific usage and functions of this embodiment:

[0038] In the present utility model, during use, install the main seat frame 1 outside the device, connect it by flange, ensure that the fixed electrode rod 3, the outer electrode rod 4 and the inner electrode rod 5 are installed inside the device, and then set the power-on buckle 7 according to the wiring requirements. Buckle the power-on buckle 7 on the top of the fixed electrode rod 3 and fix it by self-locking of the self-locking block 701;

[0039] If the internal space of the installed device is large, it will lead to slow heating efficiency. At this time, an extended method can be adopted. Rotate the adjustment screw rod 2 to move the articulated frame 6 downward, and use the articulated frame 6 to press the inner electrode rod 5 downward. The inner electrode rod 5 and the outer electrode rod 4 cooperate to form a slider mechanism, and then swing the outer electrode rod 4 outward, so that the outer electrode rod 4 and the inner electrode rod 5 expand outward, increasing the heating range of the heating tube;

[0040] When installing the power-on buckle 7, use the contact point 702 to contact the fixed electrode rod 3 and connect the circuit with the power-on wire 703.

Claims

1. An electric heating tube with a supporting structure, characterized in that: include: A main frame (1), wherein the main body of the main frame (1) is a circular flange structure; a regulating screw (2) is rotatably arranged in the middle of the main frame (1) in cooperation with a bearing; a boss structure is arranged in the middle of the main frame (1), two groups of fixed electrode rods (3) are fixedly arranged in the boss structure, and six groups of fixed electrode rods (3) are installed in three rows; the lower ends of the fixed electrode rods (3) are all wide-mouth structures, and outer electrode rods (4) are rotatably arranged in the wide-mouth structures of the fixed electrode rods (3); the lower ends of the outer electrode rods (4) are all wide-mouth structures, and inner electrode rods (5) are rotatably arranged in the wide-mouth structures of the outer electrode rods (4), and the inner electrode rods (5) are U-shaped structures.

2. The electric heating tube with a supporting structure as claimed in claim 1, characterized in that: The fixed electrode rod (3), the outer electrode rod (4) and the inner electrode rod (5) all adopt a hollow tube structure, and heating wires are installed inside the fixed electrode rod (3), the outer electrode rod (4) and the inner electrode rod (5).

3. The electric heating tube with a supporting structure as claimed in claim 1, characterized in that: The outside of the regulating screw rod (2) is provided with an articulated frame (6) through a threaded connection, the outside of the articulated frame (6) is integrally provided with three sets of bearing seats, and the middle portion of the inner electrode rod (5) is rotatably arranged in the bearing seat of the articulated frame (6) in cooperation with the bearing.

4. The electric heating tube with a supporting structure as claimed in claim 3, characterized in that: The inner rings of the bearings of the articulated frame (6) and the inner electrode rod (5) are made of graphite.

5. The electric heating tube with a supporting structure as claimed in claim 1, characterized in that: The top of the fixed electrode rod (3) is a corrugated pile head structure, and the outer end of the top of the fixed electrode rod (3) is buckled with a power-on buckle (7).

6. The electric heating tube with a support structure as claimed in claim 5, characterized in that: Two rows of self-locking blocks (701) slidably mounted via spring rods are disposed around the interior of the power-on buckle (7), and the self-locking blocks (701) are self-lockingly engaged with the outer ends of the tops of the fixed electrode rods (3).

7. The electric heating tube with a support structure as claimed in claim 5, characterized in that: A contact point (702) is fixedly arranged on the upper inner part of the power-on buckle (7), and a power-on wire (703) is arranged on the top of two groups of contact points (702) to connect them.

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