CN212367561U

CN212367561U - Flange heating pipe for heating device

Info

Publication number: CN212367561U
Application number: CN202021454470.2U
Authority: CN
Inventors: 卞安祥
Original assignee: Yancheng Municipal Heating Equipment Technology Co ltd
Current assignee: Yancheng Municipal Heating Equipment Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-01-15
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to a heater technical field especially relates to a flange heating pipe for heating device, including the electrothermal tube, the upper end of electrothermal tube is connected with the fixed plate, the outside of fixed plate is provided with public ring flange, the upper end surface of public ring flange is seted up flutedly, the inboard of the both ends recess of fixed plate is provided with the stopper, the top of the upper end electrothermal tube of fixed plate is connected with the fastener, the outside of the upper end fastener of fixed plate is connected with the external thread connecting cylinder, the outside of external thread connecting cylinder can be dismantled and be connected with the internal thread protection casing, the top of internal thread protection casing is run through and is provided with. A flange heating pipe for heating device, be convenient for change the electrothermal tube of damage, convenient operation, the leakproofness is better, can play good guard action to inside conductive component, uses comparatively safely.

Description

Flange heating pipe for heating device

Technical Field

The utility model relates to a heater field, in particular to flange heating pipe for heating device.

Background

Most flange heating pipes are manufactured in a mode that the electric heating pipes are connected with flanges in an argon arc welding mode so as to carry out centralized heating, and a fastening device can be utilized, namely, a fastening piece is welded on each electric heating pipe, and then the electric heating pipes are locked with the flange cover by adopting nuts, the structure of the flange heating pipe is that high-temperature resistance wires are uniformly distributed in a high-temperature resistant stainless steel seamless pipe, and crystallized magnesium oxide powder with good heat conduction performance and insulation performance is densely filled in a gap part, the structure is advanced, high in heat efficiency and uniform in heating, when current passes through the high-temperature resistance wires, the generated heat is diffused to the surface of a metal pipe through the crystallized magnesium oxide powder and then is transmitted to a heated part or air, and the purpose of heating is achieved; the flange heating pipe for the heating device is convenient to mount and dismount, inconvenient to maintain, unsafe to use and capable of easily leaking electricity in a humid environment.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a flange heating pipe for heating device can effectively solve the problem in the background art.

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

the utility model provides a flange heating pipe for heating device, includes the electrothermal tube, the upper end of electrothermal tube is connected with the fixed plate, the outside of fixed plate is provided with public ring flange, the upper end surface of public ring flange is seted up flutedly, the inboard of the both ends recess of fixed plate is provided with the stopper, the top of the upper end electrothermal tube of fixed plate is connected with the fastener, the outside of the upper end fastener of fixed plate is connected with the external screw thread connecting cylinder, the outside of external screw thread connecting cylinder can be dismantled and be connected with the internal thread protection casing, the top of internal thread protection casing is run through.

Preferably, the number of the electric heating tubes is three, the electric heating tubes are U-shaped, the upper ends of the electric heating tubes penetrate through the fixing plate, the electric heating tubes are fixed at the lower end of the fixing plate through fasteners, and the fasteners are made of ceramic materials.

Preferably, the male flange plate and the female flange plate are both of a hollow structure, the male flange plate and the female flange plate are fixed through bolts, and the diameter of the fixing plate is matched with the inner diameters of the male flange plate and the female flange plate.

Preferably, the quantity of stopper is two, and the stopper is about the central line axial symmetry of fixed plate, stopper and recess looks adaptation, the stopper joint is in the inside of recess, the fixed plate passes through stopper and public flange dish swing joint.

Preferably, the upper end surface of the limiting block is flush with the upper end surface of the male flange plate, and the outer surface of the upper end of the limiting block is connected with the outer surface of the lower end of the female flange plate.

Preferably, the outer surface of the lower end of the external thread connecting cylinder is fixedly connected with the outer surface of the upper end of the fixing plate, and the inner surface of the internal thread protective cover is in threaded connection with the outer surface of the external thread connecting cylinder.

Preferably, the wiring terminal is fixed on the top end of the internal thread protective cover, the electric heating wire penetrates through the electric heating tube and the fastener, a lead is fixedly connected between the wiring terminal and the electric heating wire, and the male flange plate and the female flange plate are made of stainless steel materials.

Compared with the prior art, the utility model discloses following beneficial effect has: this a flange heating pipe for heating device, the lower extreme with electrothermal tube fixed plate through the fastener, insert the electrothermal tube inside messenger stopper card at the inboard of recess of public ring flange, twist the outside at the external screw thread connecting cylinder with the internal thread protection casing, then pass through the bolt fastening with public ring flange at the lower extreme of female ring flange, can press the surface at the stopper through female ring flange, can be fixed with the stopper, thereby the completion is to the installation of electrothermal tube, it is fixed more firm, and the electrothermal tube can be dismantled, be convenient for change the electrothermal tube that damages, convenient operation, the internal thread protection casing, through threaded connection between the external screw thread connecting cylinder, the leakproofness is better, can play good guard action to its inside conducting component, it is comparatively safe to use, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of an overall structure of a flange heating pipe for a heating apparatus according to the present invention;

fig. 2 is a partial schematic view of a flange heating pipe for a heating device according to the present invention;

fig. 3 is a partial schematic view of a flange heating pipe for a heating device according to the present invention;

fig. 4 is an exploded schematic view of a locking mechanism of a flange heating pipe for a heating apparatus according to the present invention.

In the figure: 1. an electric heating tube; 2. a male flange plate; 3. a female flange plate; 4. an internal thread protective cover; 5. a wiring terminal; 6. an externally threaded connecting cylinder; 7. a fixing plate; 8. a fastener; 9. a wire; 10. a groove; 11. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, a flange heating pipe for heating device, including electrothermal tube 1, the upper end of electrothermal tube 1 is connected with fixed plate 7, the outside of fixed plate 7 is provided with public flange dish 2, public flange dish 2's upper end surface is seted up recess 10, the inboard of the both ends recess 10 of fixed plate 7 is provided with stopper 11, the top of the upper end electrothermal tube 1 of fixed plate 7 is connected with fastener 8, the outside of the upper end fastener 8 of fixed plate 7 is connected with external screw connector 6, the outside of external screw connector 6 can be dismantled and be connected with internal thread protection casing 4, the top of internal thread protection casing 4 runs through and is provided with binding post 5.

The scheme has the following working processes: fix female flange 3 inside the equipment, the lower extreme of fixed plate 7 is fixed with electrothermal tube 1 through fastener 8, connect wire 9 between binding post 5 and heating wire, then insert electrothermal tube 1 the inside of public ring flange 2 and make stopper 11 card in the inboard of recess 10, screw the outside at external screw thread connecting cylinder 6 with internal thread protection casing 4 through the screw thread, again pass through the bolt fastening at the lower extreme of female flange 3 with public ring flange 2, press the surface at stopper 11 through female flange 3, can fix stopper 11, thereby accomplish the installation to electrothermal tube 1, be connected binding post 5 with the power, can heat the heating wire of electrothermal tube 1 inside.

According to the working process, the following steps are known: the damaged electric heating tube 1 is convenient to replace, the operation is convenient, the sealing performance is good, the internal conductive assembly can be well protected, and the use is safe.

Furthermore, the number of the electric heating tubes 1 is three, the electric heating tubes 1 are U-shaped, the upper ends of the electric heating tubes 1 penetrate through the fixing plate 7, the electric heating tubes 1 are fixed at the lower ends of the fixing plate 7 through fasteners 8, and the fasteners 8 are made of ceramic materials.

Further, the male flange plate 2 and the female flange plate 3 are both of a hollow structure, the male flange plate 2 and the female flange plate 3 are fixed through bolts, and the diameter of the fixing plate 7 is matched with the inner diameters of the male flange plate 2 and the female flange plate 3.

Further, the quantity of stopper 11 is two, and stopper 11 is about the central line axial symmetry of fixed plate 7, stopper 11 and recess 10 looks adaptation, stopper 11 joint in the inside of recess 10, and fixed plate 7 passes through

stopper

11 and 2 swing joint of male flange dish.

Furthermore, the upper end face of the limiting block 11 is flush with the upper end face of the male flange plate 2, and the outer surface of the upper end of the limiting block 11 is connected with the outer surface of the lower end of the female flange plate 3.

Further, the outer surface of the lower end of the external thread connecting cylinder 6 is fixedly connected with the outer surface of the upper end of the fixing plate 7, and the inner surface of the internal thread protective cover 4 is in threaded connection with the outer surface of the external thread connecting cylinder 6.

Furthermore, the wiring terminal 5 is fixed at the top end of the internal thread protective cover 4, the electric heating wire is arranged inside the electric heating tube 1 and the fastening piece 8 in a penetrating mode, a conducting wire 9 is fixedly connected between the wiring terminal 5 and the electric heating wire, and the male flange plate 2 and the female flange plate 3 are made of stainless steel materials.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flange heating pipe for heating device, includes electrothermal tube (1), its characterized in that: the upper end of electrothermal tube (1) is connected with fixed plate (7), the outside of fixed plate (7) is provided with public ring flange (2), the upper end surface of public ring flange (2) is seted up flutedly (10), the inboard of both ends recess (10) of fixed plate (7) is provided with stopper (11), the top of upper end electrothermal tube (1) of fixed plate (7) is connected with fastener (8), the outside of the upper end fastener (8) of fixed plate (7) is connected with external screw thread connecting cylinder (6), the outside of external screw thread connecting cylinder (6) can be dismantled and be connected with internal thread protection casing (4), the top of internal thread protection casing (4) is run through and is provided with binding post (5).

2. The flange heating pipe for a heating apparatus according to claim 1, wherein: the number of the electric heating tubes (1) is three, the electric heating tubes (1) are U-shaped, the upper ends of the electric heating tubes (1) penetrate through the fixing plate (7), the electric heating tubes (1) are fixed at the lower ends of the fixing plate (7) through fasteners (8), and the fasteners (8) are made of ceramic materials.

3. The flange heating pipe for a heating apparatus according to claim 1, wherein: the male flange plate (2) and the female flange plate (3) are both of a hollow structure, the male flange plate (2) and the female flange plate (3) are fixed through bolts, and the diameter of the fixing plate (7) is matched with the inner diameters of the male flange plate (2) and the female flange plate (3).

4. The flange heating pipe for a heating apparatus according to claim 1, wherein: the quantity of stopper (11) is two, and stopper (11) are about the central line axial symmetry of fixed plate (7), stopper (11) and recess (10) looks adaptation, stopper (11) joint in the inside of recess (10), fixed plate (7) are through stopper (11) and male flange dish (2) swing joint.

5. The flange heating pipe for a heating apparatus according to claim 1, wherein: the upper end face of the limiting block (11) is flush with the upper end face of the male flange plate (2), and the outer surface of the upper end of the limiting block (11) is connected with the outer surface of the lower end of the female flange plate (3).

6. The flange heating pipe for a heating apparatus according to claim 1, wherein: the outer surface of the lower end of the external thread connecting cylinder (6) is fixedly connected with the outer surface of the upper end of the fixing plate (7), and the inner surface of the internal thread protective cover (4) is connected with the outer surface of the external thread connecting cylinder (6) through threads.

7. The flange heating pipe for a heating apparatus according to claim 1, wherein: the connecting terminal (5) is fixed on the top end of the internal thread protective cover (4), the electric heating wires are arranged in the electric heating tube (1) and the fastening piece (8) in a penetrating mode, a lead (9) is fixedly connected between the connecting terminal (5) and the electric heating wires, and the male flange plate (2) and the female flange plate (3) are made of stainless steel materials.