CN210042260U

CN210042260U - Electrothermal tube convenient to change

Info

Publication number: CN210042260U
Application number: CN201821735074.XU
Authority: CN
Inventors: 赵振辉; 李荣娟
Original assignee: Shenyang Yingyuan Technology Co Ltd
Current assignee: Shenyang Yingyuan Technology Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-02-07
Anticipated expiration: 2028-10-25

Abstract

The utility model discloses an electrothermal tube convenient to change, including the protective sheath, the inside of protective sheath is equipped with stopper A, baffle and ring flange, stopper A is located the top of baffle, the ring flange is located the below of baffle, stopper A, baffle and ring flange all are sliding connection with the inner wall of protective sheath, be equipped with the sealing washer between ring flange and the protective sheath, stopper A's top is pegged graft and is had the terminal, the terminal runs through stopper A, baffle and ring flange, the terminal is sliding connection with stopper A and baffle, the terminal is fixed connection with the ring flange, the draw-in groove has been seted up to the inner wall of protective sheath, it has connecting rod A to peg graft in one side of protective sheath. The utility model discloses make the electrothermal tube when dismantling and changing, only need press connecting rod A once, both can make electrothermal tube and protective sheath separation, need not unscrew various screws, make the process of dismantling and changing the heating wire simpler, it is convenient to change.

Description

Electrothermal tube convenient to change

Technical Field

The utility model relates to an electrothermal tube technical field especially relates to an electrothermal tube convenient to change.

Background

The electrothermal tube is an electric element specially converting electric energy into heat energy, it uses metal tube as shell, along the central axial direction of the tube uniformly distributed spiral electrothermal alloy wires, its gap is filled with compacted magnesia sand with good insulating and heat-conducting properties, and two ends of the tube mouth are sealed by silica gel.

When the electric heating tube on the market is disassembled, replaced or maintained, more screws need to be unscrewed, so that the disassembling process of the electric heating tube is complicated, and the electric heating tube is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric heating tube convenient to replace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrothermal tube convenient to replace comprises a protective sleeve, wherein a limiting block A, a baffle and a flange plate are arranged in the protective sleeve, the limiting block A is positioned above the baffle, the flange plate is positioned below the baffle, the limiting block A, the baffle and the flange plate are all in sliding connection with the inner wall of the protective sleeve, a sealing ring is arranged between the flange plate and the protective sleeve, a binding post is spliced at the top of the limiting block A and penetrates through the limiting block A, the baffle and the flange plate, the binding post, the limiting block A and the baffle are in sliding connection, the binding post and the flange plate are fixedly connected, a clamping groove is formed in the inner wall of the protective sleeve, a connecting rod A is spliced at one side of the protective sleeve, a limiting plate A is fixedly connected with one end of the connecting rod A, a connecting rod B is fixedly connected with one side of the limiting plate A, which is far away, one side fixedly connected with spring A of limiting plate A, spring A keeps away from limiting plate A's one end and protective sheath fixed connection, connecting rod B's one end fixedly connected with limiting plate B, limiting plate B is located the draw-in groove, stopper A's side is pegged graft and is had stopper B, stopper B is located the draw-in groove, stopper B's one side fixedly connected with spring B, spring B's one end and connecting block fixed connection, the bottom fixedly connected with slide bar and the spring C of baffle, the sliding sleeve has been cup jointed on the surface of slide bar, the bottom of sliding sleeve and spring C all with the top fixed connection of ring flange, the bottom fixedly connected with tubular metal resonator of ring flange, the bottom fixedly connected with heating wire of terminal, the heating wire is located the inside of tubular metal resonator.

Preferably, the limiting block A, the baffle and the flange are all perpendicular to the wiring terminal.

Preferably, the number of the springs B and the number of the fixing blocks are two, and the springs B and the fixing blocks are symmetrically arranged by using the central line of the binding post.

Preferably, the connecting rod A, the limiting plate A, the connecting rod B and the limiting plate B are coaxial with the spring A.

Preferably, the sealing ring is made of rubber, and the surface of the binding post is provided with an insulating layer.

Preferably, the metal tube is filled with magnesium oxide powder.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in through setting up stopper B, limiting plate B and spring C, press stopper A, stopper A passes through baffle extrusion spring C, it is inseparabler to make the laminating between ring flange and the protective sheath, press connecting rod A, connecting rod A promotes limiting plate A and connecting rod B and removes, make limiting plate B promote stopper B and draw-in groove separation, make connecting block A and protective sheath separation, take out connecting block A in proper order, baffle and flange dish, thereby make the electrothermal tube when dismantling and changing, only need press connecting rod A once, both can make electrothermal tube and protective sheath separation, need not twist off various screws, make the process of dismantling and changing the heating wire simpler, it is convenient to change.

Drawings

Fig. 1 is a schematic structural view of an electric heating tube convenient to replace according to the present invention;

fig. 2 is an enlarged schematic view of a structure of a portion a of the electric heating tube convenient for replacement according to the present invention.

In the figure: 1 protective sleeve, 2 limiting blocks A, 3 baffle plates, 4 flange plates, 5 sealing rings, 6 binding posts, 7 fixing blocks, 8 connecting rods A, 9 limiting plates A, 10 connecting rods B, 11 spring A, 12 limiting plates B, 13 limiting blocks B, 14 spring B, 15 sliding rods, 16 sliding sleeves, 17 spring C, 18 metal tubes and 19 heating wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an electric heating tube convenient to replace includes a protective sleeve 1, a stopper a2, a baffle 3 and a flange 4 are arranged inside the protective sleeve 1, the stopper a2 is located above the baffle 3, the flange 4 is located below the baffle 3, the stopper a2, the baffle 3 and the flange 4 are all in sliding connection with the inner wall of the protective sleeve 1, a sealing ring 5 is arranged between the flange 4 and the protective sleeve 1, a binding post 6 is inserted at the top of the stopper a2, the sealing ring 5 is made of rubber, an insulating layer is arranged on the surface of the binding post 6, the stopper a2, the baffle 3 and the flange 4 are all perpendicular to the binding post 6, the binding post 6 penetrates through the stopper a2, the baffle 3 and the flange 4, the binding post 6 is in sliding connection with the stopper a2 and the baffle 3, the binding post 6 is fixedly connected with the flange 4, a clamping groove is arranged on the inner wall of the protective sleeve 1, one end of the connecting rod A8 is fixedly connected with a limiting plate A9, one side of the limiting plate A9, which is far away from the connecting rod A8, is fixedly connected with a connecting rod B10, the connecting rod B10 penetrates through the protective sleeve 1 to be communicated with the clamping groove, one side of the limiting plate A9 is fixedly connected with a spring A11, one end of the spring A11, which is far away from the limiting plate A9, is fixedly connected with the protective sleeve 1, one end of the connecting rod B10 is fixedly connected with a limiting plate B12, the connecting rod A8, the limiting plate A9, the connecting rod B10 and the limiting plate B12 are coaxial with the spring A11, the limiting plate B12 is positioned in the clamping groove, the side face of the limiting block A2 is inserted with a limiting block B2, the limiting block B2 is positioned in the clamping groove, one side of the limiting block B2 is fixedly connected with a spring B2, the springs B2 and the fixing blocks 7 are both in number, the two springs, the surface of the sliding rod 15 is sleeved with a sliding sleeve 16, the bottom ends of the sliding sleeve 16 and a spring C17 are both fixedly connected with the top of the flange plate 4, the bottom of the flange plate 4 is fixedly connected with a metal tube 18, the interior of the metal tube 18 is filled with magnesium oxide powder, the bottom of the binding post 6 is fixedly connected with an electric heating wire 19, the electric heating wire 19 is positioned in the metal tube 18, by arranging a limiting block B13, a limiting plate B12 and a spring C17, pressing a limiting block A2, a limiting block A2 extrudes the spring C17 through a baffle 3, so that the flange plate 4 is more tightly attached to the protective sleeve 1, pressing a connecting rod A8, pushing a limiting plate A9 and a connecting rod B10 to move by a connecting rod A8, pushing a limiting plate B12 to separate the limiting block B13 from a clamping groove, separating the connecting block A2 from the protective sleeve 1, and taking out the connecting block A2, the baffle, not only can separate the electric heating tube from the protective sleeve 1, but also does not need to screw down various screws, so that the process of disassembling and replacing the electric heating wire is simpler and the replacement is convenient.

The working principle is as follows: when the electric heating tube is disassembled, the connecting rod A8 is pressed, the connecting rod A8 pushes the limiting plate A9, the limiting plate A9 pushes the connecting rod B10, the connecting rod B10 pushes the limiting plate B12, the limiting plate B12 pushes the limiting plate B13, the limiting plate B13 is separated from the protective sleeve 1, the limiting plate A2 is separated from the protective sleeve 1, the limiting plate A2 is pulled, the limiting plate A2 is taken out, the baffle plate 3, the flange plate 4 and the metal tube 18 are taken out, the limiting plate A2 extrudes the baffle plate 3, the baffle plate 3 extrudes the spring C17, the flange plate 4 is attached to the protective sleeve 1 more tightly, the limiting plate B13 enters the clamping groove again under the left and right positions of the spring B14, and the limiting plate A596.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The electric heating tube convenient to replace comprises a protective sleeve (1) and is characterized in that a limiting block A (2), a baffle (3) and a flange plate (4) are arranged inside the protective sleeve (1), the limiting block A (2) is located above the baffle (3), the flange plate (4) is located below the baffle (3), the limiting block A (2), the baffle (3) and the flange plate (4) are in sliding connection with the inner wall of the protective sleeve (1), a sealing ring (5) is arranged between the flange plate (4) and the protective sleeve (1), a binding post (6) is inserted into the top of the limiting block A (2), the binding post (6) penetrates through the limiting block A (2), the baffle (3) and the flange plate (4), the binding post (6) is in sliding connection with the limiting block A (2) and the baffle (3), and the binding post (6) is fixedly connected with the flange plate (4), the inner wall of the protective sleeve (1) is provided with a clamping groove, one side of the protective sleeve (1) is connected with a connecting rod A (8) in an inserted mode, one end of the connecting rod A (8) is fixedly connected with a limiting plate A (9), one side, far away from the connecting rod A (8), of the limiting plate A (9) is fixedly connected with a connecting rod B (10), the connecting rod B (10) penetrates through the protective sleeve (1) to be communicated with the clamping groove, one side of the limiting plate A (9) is fixedly connected with a spring A (11), one end, far away from the limiting plate A (9), of the spring A (11) is fixedly connected with the protective sleeve (1), one end of the connecting rod B (10) is fixedly connected with a limiting plate B (12), the limiting plate B (12) is located in the clamping groove, the side face of the limiting block A (2) is connected with a limiting block B (13) in an inserted mode, the one end and the connecting block fixed connection of spring B (14), the bottom fixedly connected with slide bar (15) and spring C (17) of baffle (3), sliding sleeve (16) have been cup jointed on the surface of slide bar (15), the bottom of sliding sleeve (16) and spring C (17) all with the top fixed connection of ring flange (4), the bottom fixedly connected with tubular metal resonator (18) of ring flange (4), the bottom fixedly connected with heating wire (19) of terminal (6), heating wire (19) are located the inside of tubular metal resonator (18).

2. An electrothermal tube convenient for replacement according to claim 1, wherein the limiting block A (2), the baffle (3) and the flange (4) are perpendicular to the terminal (6).

3. An electric heating tube easy to replace according to claim 1, characterized in that the number of the springs B (14) and the fixing blocks (7) is two, and the two springs B (14) and the fixing blocks (7) are symmetrically arranged with the central line of the binding post (6).

4. An electric heating tube easy to replace according to claim 1, wherein the connecting rod A (8), the limiting plate A (9), the connecting rod B (10) and the limiting plate B (12) are coaxial with the spring A (11).

5. An electric heating tube easy to replace according to claim 1, characterized in that the sealing ring (5) is made of rubber and the surface of the terminal post (6) is provided with an insulating layer.

6. An electrical heating tube for easy replacement according to claim 1, characterized in that the metal tube (18) is filled with magnesium oxide powder.