Electric heater with multiple insulation protection

Abstract

The utility model relates to the technical field of electric heaters, and discloses a multi-insulation protection electric heater, which comprises a shell, one end of the shell is sleeved with a lower clamping ring, one end of the lower clamping ring is rotatably connected with an upper clamping ring, one end of the upper clamping ring is rotatably connected with a limiting assembly, the bottom of the shell is fixedly connected with two groups of supporting blocks, and the supporting blocks are fixedly connected with the limiting assembly. A supporting rod is fixedly connected to one side of the supporting block, two supporting assemblies are slidably connected to the surface of the supporting rod, a supporting spring is fixedly connected to one side of each supporting assembly, each limiting assembly comprises a threaded bolt rotationally connected to one end of the upper clamping ring, and a limiting nut is in threaded connection with the outer surface of the bottom of each threaded bolt. According to the multi-insulation-protection electric heater, through the arrangement of the lower clamping ring, the upper clamping ring and the limiting assembly, the effect of conveniently disassembling and assembling the heating rod is achieved, the disassembling, assembling and overhauling time is shortened, and the convenience of the multi-insulation-protection electric heater is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heater technical field especially relates to a multiple insulation protection's electric heater. BACKGROUND

[0002] A kind of multiple insulation protection's electric heater is generally used to ensure the safety of equipment under high temperature working environment, prevent fire or electric shock accident caused by electrical failure.It adopts multiple protection measures in manufacturing, to prevent current from directly contacting user or other vulnerable parts, wherein there is sufficient physical isolation between heating element and power supply system, ensure that current does not flow through unsafe path in any accidental situation, multiple insulation protection's electric heater focuses on safety, ensure that it can operate stably under various environments, prevent safety problems caused by electrical failure.

[0003] However, the existing multiple insulation protection's electric heater is cumbersome when it needs to be overhauled or replaced, increasing the time cost of disassembly and repair, resulting in a decrease in equipment operating efficiency. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] The utility model aims at providing a kind of multiple insulation protection's electric heater, to solve the problem that the existing multiple insulation protection's electric heater in above background technique needs to be overhauled or replaced, and the disassembly step is cumbersome, increases the time cost of disassembly and repair, resulting in a decrease in equipment operating efficiency.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of multiple insulation protection's electric heater, including shell, the lower clamp ring is sleeved in one end of the shell, the lower clamp ring is rotatably connected with upper clamp ring in one end, the upper clamp ring is rotatably connected with limiting component in one end, the bottom of the shell is fixedly connected with two groups of support blocks, the one side of the support block is fixedly connected with support rod, the surface of the support rod is slidably connected with two groups of support components, the one side of the support component is fixedly connected with support spring, the limiting component includes the threaded bolt rotatably connected in one end of upper clamp ring, the outer surface of the threaded bolt bottom is threadedly connected with limiting nut;The support component includes the sliding seat slidably connected on the surface of support rod, the top of the sliding seat is rotatably connected with connecting rod, the one end of the connecting rod is rotatably connected with support bolt.

[0008] As a further scheme of the utility model, the bottom of the support block is fixedly connected with two groups of damping hydraulic rods, the surface of the damping hydraulic rod is sleeved with buffer spring, through the setting of buffer spring, the effect of relieving downward impact is played.

[0009] As a further scheme of the utility model, the lower clamp ring is internally clamped with a sealing disc, the sealing disc is internally sleeved with a ceramic insulating plate, one end of the shell is clamped with a sealing washer, the sealing washer is of rubber material, the sealing washer is arranged to increase the sealing property and the insulating property.

[0010] As a further scheme of the utility model, the ceramic insulating plate is internally sleeved with a plurality of groups of heating rods, one end of the heating rod is provided with an electric wire connecting barrel, the electric wire connecting barrel is arranged to connect the external power supply.

[0011] As a further scheme of the utility model, the surface of the heating rod is sleeved with a plurality of groups of ceramic insulating rings, the surface of the ceramic insulating ring is sleeved with a spoiler, the spoiler is arranged to slow down the medium flow speed.

[0012] As a further scheme of the utility model, the both sides of the supporting block are fixedly connected with positioning sliding blocks, the surface of the positioning sliding block is slidably connected with a fixing seat, the fixing seat is arranged to facilitate the sliding of the positioning sliding block.

[0013] As a further scheme of the utility model, the both sides of the fixing seat are fixedly connected with mounting blocks, the bottom of the mounting block is provided with a mounting hole, the mounting hole is arranged to position and mount.

[0014] (Three) beneficial effects

[0015] The utility model provides a kind of multiple insulation protection electric heater, with following beneficial effects:

[0016] 1, the multiple insulation protection electric heater, by the setting of lower clamp ring, upper clamp ring and limiting component, when needing to disassemble, rotating limiting nut, so that limiting nut rotates on the surface of threaded bolt, in turn, the surface of lower clamp ring is separated, so that upper clamp ring and lower clamp ring open, and conveniently extract heating rod to overhaul or replace, when needing to install, the sealing disc on heating rod and shell one end are aligned, in turn, upper clamp ring and lower clamp ring are clamped into fixed, rotating limiting nut is positioned and fixed on threaded bolt, to reach the effect of convenient disassembly and assembly heating rod, reduce disassembly and assembly overhaul time, improve the convenience of multiple insulation protection electric heater.

[0017] 2. The multiple insulation protection electric heater, through the setting of the support assembly, the support rod and the support spring, when the equipment is running, vibration generated is transmitted to the support bolt through the shell, the two ends of the connecting rod are rotated on the support bolt and the sliding seat respectively, the sliding seat is pushed to slide on the support rod, the support spring is extruded, the support spring is contracted to generate elastic force under stress, the support block is also pressed down under stress, the damping hydraulic rod is contracted under stress, the buffer spring is deformed under stress to generate elastic force, so that the effect of strengthening buffering and shock absorption is achieved, the internal parts are prevented from being damaged due to equipment vibration, and the stability and service life of the equipment are increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the utility model;

[0019] Fig. 2 It is a split structure schematic view of the utility model;

[0020] Fig. 3 It is a support assembly, support rod and support spring structure schematic view of the utility model;

[0021] Fig. 4 It is a lower clamping ring, upper clamping ring and limiting assembly structure schematic view of the utility model.

[0022] In the drawing: 1, shell; 2, lower clamping ring; 3, upper clamping ring; 4, limiting assembly; 401, threaded bolt; 402, limiting nut; 5, support block; 6, damping hydraulic rod; 7, support rod; 8, support assembly; 801, sliding seat; 802, connecting rod; 803, support bolt; 9, support spring; 10, buffer spring; 11, sealing disc; 12, ceramic insulating plate; 13, heating rod; 14, power line cylinder; 15, spoiler; 16, sealing washer; 17, positioning sliding block; 18, fixed seat; 19, mounting block. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a multiple insulation protection's electric heater, including shell 1, the one end of shell 1 is sleeved with lower clamping ring 2, and the one end of lower clamping ring 2 is rotatably connected with upper clamping ring 3, and the one end of upper clamping ring 3 is rotatably connected with limiting component 4, through the setting of lower clamping ring 2, upper clamping ring 3 and limiting component 4, reach the effect that heating rod 13 is conveniently disassembled and assembled, reduce the time of disassembly and assembly overhaul, improved the convenience of multiple insulation protection's electric heater, and the bottom of shell 1 is fixedly connected with two groups of support blocks 5, and the one side of support block 5 is fixedly connected with support rod 7, and the surface of support rod 7 is slidably connected with two groups of support components 8, through the setting of support component 8, support rod 7 and support spring 9, reach the effect of strengthening buffering and damping, prevent equipment vibration and cause internal component damage, increase the stability and service life of equipment, and the one side of support component 8 is fixedly connected with support spring 9, and limiting component 4 includes the threaded bolt 401 of rotatable connection in the one end of upper clamping ring 3, and the outer surface of threaded bolt 401 bottom is threadedly connected with limiting nut 402, and support component 8 includes the sliding seat 801 of sliding connection on the surface of support rod 7, and the top of sliding seat 801 is rotatably connected with connecting rod 802, and the one end of connecting rod 802 is rotatably connected with support bolt 803.

[0025] The bottom of support block 5 is fixedly connected with two groups of damping hydraulic rods 6, and the surface of damping hydraulic rod 6 is sleeved with buffer spring 10, and through the setting of buffer spring 10, the effect of relieving the impact of pressing down is played.

[0026] The inside of lower clamping ring 2 is clamped with sealing disc 11, the inside of sealing disc 11 is sleeved with ceramic insulating plate 12, and the one end of shell 1 is clamped with sealing washer 16, the material of sealing washer 16 is rubber material, and through the setting of sealing washer 16, the effect of increasing the sealing property and insulation property is played.

[0027] The inside of ceramic insulating plate 12 is sleeved with several groups of heating rods 13, and the one end of heating rod 13 is provided with electric wire cylinder 14, and through the setting of electric wire cylinder 14, the effect of connecting external power supply is played.

[0028] The surface of heating rod 13 is sleeved with several groups of ceramic insulating rings, and the surface of ceramic insulating ring is sleeved with spoiler 15, and through the setting of spoiler 15, the effect of slowing down the medium flow speed is played.

[0029] The two sides of support block 5 are fixedly connected with positioning sliding block 17, and the surface of positioning sliding block 17 is slidably connected with fixed seat 18, and through the setting of fixed seat 18, the effect of facilitating the sliding of positioning sliding block 17 is played.

[0030] The two sides of fixed seat 18 are fixedly connected with mounting block 19, and the bottom of mounting block 19 is provided with mounting hole, and through the setting of mounting hole, the effect of positioning installation is played.

[0031] The working steps of the device are as follows:

[0032] The first step: when disassembling, rotating the limiting nut 402, so that the limiting nut 402 rotates on the surface of the threaded bolt 401, and then separates from the surface of the lower clamping ring 2, so that the upper clamping ring 3 and the lower clamping ring 2 are opened, and the heating rod 13 is conveniently extracted for maintenance or replacement;

[0033] The second step: when installing, aligning the sealing disc 11 on the heating rod 13 and one end of the shell 1, and then clamping the upper clamping ring 3 and the lower clamping ring 2 into fixation, rotating the limiting nut 402 on the threaded bolt 401 for limiting fixation;

[0034] The third step: when the device is running, the vibration generated is transmitted to the support bolt 803 through the shell 1, so that the two ends of the connecting rod 802 rotate on the support bolt 803 and the sliding seat 801 respectively, and then push the sliding seat 801 to slide on the support rod 7, and extrude the support spring 9, so that the support spring 9 is forced to shrink and generate elastic force, and at the same time, the support block 5 is also forced to press down, so that the damping hydraulic rod 6 is forced to shrink, and the buffer spring 10 is forced to deform to generate elastic force.

[0035] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described, but under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0036] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, and the structure and principle are known by the person skilled in the art through technical manual or conventional experimental method.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multiple insulated electric heater comprising a housing (1), characterized in that: One end of the shell (1) is sleeved with a lower clamping ring (2), one end of the lower clamping ring (2) is rotatably connected with an upper clamping ring (3), one end of the upper clamping ring (3) is rotatably connected with a limiting assembly (4), the bottom of the shell (1) is fixedly connected with two groups of supporting blocks (5), one side of the supporting block (5) is fixedly connected with a supporting rod (7), the surface of the supporting rod (7) is slidably connected with two groups of supporting assemblies (8), one side of the supporting assembly (8) is fixedly connected with a supporting spring (9), The limiting assembly (4) comprises a threaded bolt (401) rotatably connected to one end of the upper clamping ring (3), and a limiting nut (402) is threadedly connected to the outer surface of the bottom of the threaded bolt (401); The supporting assembly (8) comprises a sliding seat (801) slidably connected to the surface of the supporting rod (7), a connecting rod (802) rotatably connected to the top of the sliding seat (801), and a supporting bolt (803) rotatably connected to one end of the connecting rod (802).

2. A multiple insulated shielded electric heater according to claim 1 wherein: The bottom of the supporting block (5) is fixedly connected with two groups of damping hydraulic rods (6), and the surface of the damping hydraulic rod (6) is sleeved with a buffer spring (10).

3. The multiple-insulation-protected electric heater as in claim 1, wherein: The inside of the lower clamping ring (2) is clamped with a sealing disc (11), the inside of the sealing disc (11) is sleeved with a ceramic insulating plate (12), one end of the shell (1) is clamped with a sealing washer (16), and the material of the sealing washer (16) is rubber material.

4. A multiple insulated guard electric heater according to claim 3, wherein: The inside of the ceramic insulating plate (12) is sleeved with a plurality of heating rods (13), and one end of the heating rod (13) is provided with an electric wire cylinder (14).

5. A multiple insulated guard electric heater according to claim 4, wherein: The surface of the heating rod (13) is sleeved with a plurality of ceramic insulating rings, and the surface of the ceramic insulating ring is sleeved with a spoiler (15).

6. The multiple-insulation-protected electric heater of claim 1, wherein: Both sides of the supporting block (5) are fixedly connected with a positioning sliding block (17), and the surface of the positioning sliding block (17) is slidably connected with a fixed seat (18).

7. A multiple insulated guard electric heater according to claim 6, wherein: Both sides of the fixed seat (18) are fixedly connected with a mounting block (19), and the bottom of the mounting block (19) is provided with a mounting hole. Both sides of the fixed seat (18) are fixedly connected with a mounting block (19), and the bottom of the mounting block (19) is provided with a mounting hole.

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