阅读说明：本技术 一种适用于热水器的石英电热管 (Quartz electric heating tube suitable for water heater ) 是由 李雪真 张爱民 韩涛 于 2021-11-23 设计创作，主要内容包括：本发明公开了一种适用于热水器的石英电热管,涉及热水器技术领域。包括外层石英管,外层石英管为中空结构；内层石英管,内层石英管连接于外层石英管腔体内；连接法兰,连接法兰连接于外层石英管顶端,连接法兰为两个圆环形成的拼接结构,连接法兰靠近外层石英管的一侧设置有第一连接部和第二连接部；外层石英管除垢装置,外层石英管除垢装置一端与第二连接部连接,另一端套设于外层石英管外壁上。本发明提供的一种适用于热水器的石英电热管可自动除去石英电热管外表面的水垢,安装方便。(The invention discloses a quartz electric heating tube suitable for a water heater, and relates to the technical field of water heaters. The quartz tube comprises an outer-layer quartz tube, wherein the outer-layer quartz tube is of a hollow structure; the inner-layer quartz tube is connected in the cavity of the outer-layer quartz tube; the connecting flange is connected to the top end of the outer-layer quartz tube and is a splicing structure formed by two circular rings, and a first connecting part and a second connecting part are arranged on one side, close to the outer-layer quartz tube, of the connecting flange; outer quartz capsule scale removal device, outer quartz capsule scale removal device one end is connected with the second connecting portion, and the other end cover is located on outer quartz capsule outer wall. The quartz electric heating tube applicable to the water heater can automatically remove scale on the outer surface of the quartz electric heating tube, and is convenient to install.)

1. A quartz electrical heating tube suitable for use in a water heater, comprising:

the outer-layer quartz tube is of a hollow structure;

the inner-layer quartz tube is connected in the outer-layer quartz tube cavity;

the connecting flange is connected to the top end of the outer-layer quartz tube and is a splicing structure formed by two circular rings, and a first connecting part and a second connecting part are arranged on one side, close to the outer-layer quartz tube, of the connecting flange;

one end of the outer-layer quartz tube descaling device is connected with the second connecting part, and the other end of the outer-layer quartz tube descaling device is sleeved on the outer wall of the outer-layer quartz tube.

2. The quartz electric heating tube for the water heater as claimed in claim 1, wherein the outer quartz tube cavity is provided with a connecting seat therein, the connecting seat is provided with an internal thread at an axial position, the inner quartz tube is provided with an external thread at a bottom end thereof, and the inner quartz tube is screwed on the connecting seat.

3. The quartz electric heating tube for a water heater as claimed in claim 2, wherein the bottom end of the outer quartz tube is provided with an air filling hole, and the connecting base is provided with a fourth through hole for passing through the connecting base.

4. The quartz electric heating tube for the water heater as claimed in claim 1, wherein the top end of the outer quartz tube is provided with a top connection cover, the top connection cover is detachably connected to the top end of the outer quartz tube, the outer wall of the top connection cover is provided with a first through hole for passing through the top connection cover, the first connection part is provided with a second through hole matched with the first through hole, and the first connection part is fixedly connected with the top connection cover through the first through hole and the second through hole.

5. A quartz electrothermal tube for water heater according to claim 4, wherein a gasket is provided between the outer wall of the top connection cover and the first connection portion.

6. The quartz electric heating tube for a water heater as claimed in claim 3, wherein the outer wall of the inner quartz tube is provided with a heating wire, the bottom end of the inner quartz tube is provided with a third through hole, the heating wire penetrates through the third through hole and extends to the inner top end of the inner quartz tube, both ends of the heating wire are provided with molybdenum alloy electrodes, one end of the molybdenum alloy motor, which is far away from the heating wire, is connected with an external lead wire, and the external lead wire penetrates through the top connection cover.

7. The quartz electrical heating tube for water heater as claimed in claim 5, wherein the external lead is provided with a ceramic insulating sleeve through the top connection cover.

8. The quartz electric heating tube for the water heater as claimed in claim 1, wherein the outer quartz tube descaling device comprises a multi-stage hydraulic cylinder, a connecting rod and a cleaning ring, the multi-stage hydraulic cylinder is detachably connected to the second connecting portion, the connecting rod is fixedly connected to the power output end of the multi-stage hydraulic cylinder, the cleaning ring is connected to one end of the connecting rod away from the multi-stage hydraulic cylinder, and the cleaning ring is sleeved on the outer wall of the outer quartz tube.

9. The quartz electric heating tube for water heater of claim 8, wherein a gasket is disposed between the multi-stage hydraulic cylinder and the second connecting portion.

Technical Field

The invention relates to the technical field of water heaters, in particular to a quartz electric heating tube suitable for a water heater.

Background

Along with the development of the society, the living standard of people is continuously improved, the types of household appliances are more and more, and the water heater gradually becomes an essential appliance in the life of people.

The water heater has the advantages of fast heating, energy conservation and the like, but a heating pipe in the heater is particularly easy to be wrapped by water scale, the heating effect is influenced, the service life of the water heater is shortened, the water heater explosion accident can be caused in serious cases, people usually use a method of soaking in acetic acid or sodium bicarbonate solution to remove the water scale in life, the chemical descaling method wastes time and labor, and gas with pungent smell can be generated at the same time, so that the descaling work of the electric heating pipe is difficult.

Therefore, it is necessary to provide a quartz electric heating tube suitable for a water heater, which can automatically clean the scale on the surface of the electric heating tube.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme:

a quartz electrical heating tube for a water heater, comprising:

the outer-layer quartz tube is of a hollow structure;

the inner-layer quartz tube is connected in the outer-layer quartz tube cavity;

the connecting flange is connected to the top end of the outer-layer quartz tube and is a splicing structure formed by two circular rings, and a first connecting part and a second connecting part are arranged on one side, close to the outer-layer quartz tube, of the connecting flange;

one end of the outer-layer quartz tube descaling device is connected with the second connecting part, and the other end of the outer-layer quartz tube descaling device is sleeved on the outer wall of the outer-layer quartz tube.

Furthermore, a connecting seat is arranged inside the outer layer quartz tube cavity, an inner thread is arranged at the axis position of the connecting seat, an outer thread is arranged at the bottom end of the inner layer quartz tube, and the inner layer quartz tube is in threaded connection with the connecting seat.

Furthermore, an inflation hole is formed in the bottom end of the outer-layer quartz tube, and a fourth through hole penetrating through the connecting seat is formed in the connecting seat.

Further, outer quartz capsule top is provided with the top and connects the lid, the top connect the lid can dismantle connect in outer quartz capsule top, be provided with the first through-hole that runs through it on the top connection lid outer wall, first connecting portion be provided with first through-hole complex second through-hole, first connecting portion pass through first through-hole with the second through-hole with top connection lid fixed connection.

Further, a sealing gasket is arranged between the outer wall of the top connecting cover and the first connecting part.

Further, the outer wall of the inner quartz tube is provided with a heating wire, the bottom end of the inner quartz tube is provided with a third through hole, the heating wire penetrates through the third through hole and extends to the inner top end of the inner quartz tube, molybdenum alloy electrodes are arranged at two ends of the heating wire, one end of the molybdenum alloy motor, which is far away from the heating wire, is connected with an external lead, and the external lead penetrates through the top connecting cover.

Furthermore, a ceramic insulating sleeve is arranged at the position where the external lead penetrates through the top connecting cover.

Further, outer quartz capsule scale removal device includes multistage pneumatic cylinder, connecting rod and washing ring, multistage pneumatic cylinder with the second connecting portion are dismantled and are connected, connecting rod fixed connection in multistage pneumatic cylinder power take off end, wash the ring with the connecting rod is kept away from the one end of multistage pneumatic cylinder is connected, just it encircles the locating to wash on the outer quartz capsule outer wall.

Further, a sealing gasket is arranged between the multistage hydraulic cylinder and the second connecting portion.

The invention has the beneficial effects that:

according to the quartz electric heating tube suitable for the water heater, the outer-layer quartz tube descaling device is arranged, and the quartz electric heating tube and the outer-layer quartz tube descaling device are connected into a device by the connecting flange, so that the device is convenient to install, and the automatic descaling function of the quartz electric heating tube is realized.

Drawings

Fig. 1 is a schematic perspective view of a quartz electric heating tube suitable for a water heater according to the present invention.

FIG. 2 is a cross-sectional view of an outer quartz tube of a quartz electric heating tube suitable for a water heater according to the present invention.

FIG. 3 is a schematic view of an inner quartz tube of a quartz electric heating tube suitable for a water heater according to the present invention.

Wherein, in the figure:

1-outer quartz tube; 11-a connecting seat; 111-a fourth via; 12-internal screw thread; 13-top connection cover; 131-a first via; 14-an inflation hole; 2-inner layer quartz tube; 21-external thread; 22-electric heating wire; 23-a third via; a 24-molybdenum alloy electrode; 25-external lead; 26-a ceramic insulating sleeve; 3-a connecting flange; 31-a first connection; 311-a second via; 32-a second connection; 4-descaling device for the outer quartz tube; 41-multi-stage hydraulic cylinder; 42-connecting rod; 43-cleaning ring; 44-sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The embodiment of fig. 1-3 is a combination of a quartz electric heating tube suitable for a water heater, and the quartz electric heating tube includes an outer quartz tube 1, an inner quartz tube 2, a connecting flange 3 and an outer quartz tube descaling device 4, where the outer quartz tube 1 is a hollow structure, the inner quartz tube 2 is connected in a cavity of the outer quartz tube 1, the connecting flange 3 is connected to the top end of the outer quartz tube 1, the connecting flange 3 is a splicing structure formed by two circular rings, one side of the connecting flange 3, which is close to the outer quartz tube 1, is provided with a first connecting portion 31 and a second connecting portion 32, one end of the outer quartz tube descaling device 4 is connected to the second connecting portion 32, and the other end is sleeved on the outer wall of the outer quartz tube 1.

Further, a connecting seat 11 is arranged inside the cavity of the outer-layer quartz tube 1, an inner thread 12 is arranged at the axis position of the connecting seat 11, an outer thread 21 is arranged at the bottom end of the inner-layer quartz tube 2, the inner-layer quartz tube 2 is in threaded connection with the connecting seat 11, and the structural connection is simple and the manufacturing is convenient due to the adoption of a threaded connection mode.

The top end of the outer layer quartz tube 1 is provided with a top connecting cover 13, the top connecting cover 13 is detachably connected to the top end of the outer layer quartz tube 1, the outer wall of the top connecting cover 13 is provided with a first through hole 131 penetrating through the top connecting cover, the first connecting part 31 is provided with a second through hole 311 matched with the first through hole 131, and the first connecting part 31 is fixedly connected with the top connecting cover 13 through the first through hole 131 and the second through hole 311; through utilizing the top to connect the lid dismantle connect in outer quartz capsule top utilizes the top to connect lid and flange connection when easy to assemble, avoids flange and outer quartz capsule lug connection, has further improved the structural stability of device.

The outer-layer quartz tube descaling device 4 comprises a multi-stage hydraulic cylinder 41, a connecting rod 42 and a cleaning ring 43, the multi-stage hydraulic cylinder 41 is detachably connected with the second connecting part 32, the connecting rod 42 is fixedly connected with the power output end of the multi-stage hydraulic cylinder 41, the cleaning ring 43 is connected with one end of the connecting rod 42, which is far away from the multi-stage hydraulic cylinder 41, and the cleaning ring 43 is sleeved on the outer wall of the outer-layer quartz tube 1; after heating, the multistage hydraulic cylinder is utilized to drive the connecting rod and the cleaning ring to slide, and the cleaning ring wipes off scale on the surface of the outer quartz tube, so that the function of automatically cleaning the scale on the surface of the quartz electric heating tube is realized.

As an optimization, in this embodiment, a sealing gasket is disposed between the outer wall of the top connecting cover 13 and the first connecting portion 31, and a sealing gasket 44 is disposed between the multi-stage hydraulic cylinder and the second connecting portion 32, so as to further improve the sealing performance of the whole structure.

Further, the outer wall of the inner quartz tube 2 is provided with a heating wire 22, the bottom end of the inner quartz tube 2 is provided with a third through hole 23, the heating wire 22 runs through the third through hole 23 and extends to the top end inside the inner quartz tube 2, molybdenum alloy electrodes 24 are arranged at two ends of the heating wire 22, one end of the heating wire 22, far away from the molybdenum alloy electrodes 24, is connected with an external lead 25, the external lead 25 runs through the top connection cover 13, and the external lead 25 runs through the top connection cover 13 and is provided with a ceramic insulating sleeve 26.

As optimization, the bottom end of the outer layer quartz tube 1 is provided with an inflation hole 14, and the connecting seat 11 is provided with a fourth through hole 111 penetrating through the connecting seat; and protective gas is filled into the outer-layer quartz tube through the gas filling hole, and the fourth through hole is communicated with the inner part of the outer-layer quartz tube to allow the protective gas to pass through.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.