CN217441988U

CN217441988U - Anti-pipe explosion device of solar water heater and solar water heater thereof

Info

Publication number: CN217441988U
Application number: CN202221092192.XU
Authority: CN
Inventors: 姚忠
Original assignee: Nanjing Kezhifeng Energy Saving Technology Co ltd
Current assignee: Nanjing Kezhifeng Energy Saving Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-16
Anticipated expiration: 2032-05-09

Abstract

The utility model provides a solar water heater prevents pipe explosion device and solar water heater thereof, prevents that pipe explosion device includes cavity subassembly and flotation pontoon subassembly, and the cavity subassembly includes cavity and closing cap, and the cavity is located the inside of vacuum tube end, and the closing cap is located the cavity open end and is laminated with it, and has seted up the upper water passage hole on the closing cap, and the terminal surface of cavity blind end has seted up down the water passage hole, and the flotation pontoon subassembly slidable sets up in the cavity, and cooperatees with upper water passage hole and lower water passage hole; the flotation pontoon subassembly has first state and second state, and when being in the first state, the limbers under the flotation pontoon subassembly laminating to keep away from last limbers, when being in the second state, the limbers on the flotation pontoon subassembly laminating, and keep away from down the limbers. The utility model effectively prevents the vacuum tube from being damaged by arranging the tube explosion prevention device; when the vacuum pipe is damaged by external force, the water heater can be normally used without emergency repair.

Description

Anti-pipe explosion device of solar water heater and solar water heater thereof

Technical Field

The utility model relates to a water heater technical field particularly, relates to a solar water heater prevents exploding tub device and solar water heater thereof.

Background

Solar water heaters are widely used, and can save energy and protect the environment. It also has its disadvantages, such as: under the condition that the water consumption is too large in the daytime, the temperature in the all-glass vacuum tube for heat exchange on the water heater is too high, cold water is gushed in a large amount in a short time, and the all-glass vacuum tube is prone to cracking when suddenly cooled at high temperature, so that the solar water heater is damaged, and the use is influenced. Moreover, after the vacuum tube is broken, water in the water tank of the water heater can be rapidly leaked, so that waste of water resources is caused, and inconvenience is brought to life of surrounding residents.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a solar water heater prevents tub device and solar water heater thereof has solved among the prior art full glass vacuum tube high temperature and has met the cold easy burst of exploding suddenly, causes the solar water heater to damage, and the vacuum tube breaks the back, and the water in the water heater water tank can leak outward rapidly, causes the problem of the waste of water resource.

In order to solve the technical problem, the utility model discloses a technical scheme is: a solar water heater anti-tube explosion device is arranged at the joint of a vacuum tube and a water tank and comprises a cavity assembly and a buoy assembly, wherein the cavity assembly comprises a cavity and a sealing cover, the cavity is arranged inside the end head of the vacuum tube, the sealing cover is arranged at the opening end of the cavity and is attached to the opening end of the cavity, an upper water through hole is formed in the sealing cover, a lower water through hole is formed in the end face of the closed end of the cavity, and the buoy assembly is slidably arranged inside the cavity and is matched with the upper water through hole and the lower water through hole; the flotation pontoon subassembly has the first state and second state, when being in the first state, the limbers under the laminating of flotation pontoon subassembly to keep away from last limbers, when being in the second state, the limbers is gone up in the laminating of flotation pontoon subassembly, and keeps away from down the limbers.

Preferably, the float assembly comprises a float rod, a float bowl sleeved on the float rod, an upper sealing plug and a lower sealing plug, the float bowl is positioned between the upper sealing plug and the lower sealing plug, and two ends of the float rod respectively penetrate through the closed end of the cavity and the sealing cover and are slidably connected with the closed end of the cavity and the sealing cover.

Preferably, the float assembly further comprises a limit nut, and the limit nut is matched with the bottom end of the floating rod and used for enabling the lower sealing plug to close the lower water through hole when the vacuum tube is broken.

Preferably, sealing rings are arranged at the positions, connected with the outer wall of the floating rod, of the sealing cover and the cavity.

Preferably, the upper water through hole and the lower water through hole are a plurality of uniformly arranged through holes wound into a ring shape, and the upper sealing plug and the lower sealing plug are respectively matched and sealed with the upper water through hole and the lower water through hole.

Preferably, the upper water through hole and the lower water through hole are annular through holes, and the upper sealing plug and the lower sealing plug are respectively matched and sealed with the upper water through hole and the lower water through hole.

Preferably, a counterweight ring is arranged between the buoy and the lower sealing plug and used for adjusting buoyancy.

Preferably, the cavity assembly is in interference connection or threaded connection with the end of the vacuum tube.

The utility model also provides a solar water heater, include as above arbitrary the solar water heater prevent exploding tub device.

Compared with the prior art, the beneficial effects of the utility model include: the anti-explosion pipe device is arranged at the joint of the vacuum pipe and the water tank and consists of a cavity assembly and a buoy assembly. When the solar water heater adds water, water flow enters the cavity through the upper water through hole of the sealing cover, the pressure of the water flow pushes the buoy assembly to the bottom of the cavity, and at the moment, the lower water through hole at the bottom of the cavity is closed by the lower sealing plug. When the cavity is filled with water, the floating drum component moves towards the sealing cover under the action of floating force of the floating drum, the upper water through hole of the sealing cover is closed by the upper sealing plug, the lower water through hole at the bottom of the cavity is opened, and water in the cavity begins to enter the full-glass vacuum tube of the solar water heater. Because the water in the cavity is filled in the releasing process, the external heat is continuously absorbed, and the water temperature rises and then enters the all-glass vacuum tube, the temperature difference between the water temperature and the vacuum tube is small, and the vacuum tube is not easy to damage. When the vacuum pipe is damaged due to external force, the matched limiting nut is screwed at the bottom end part of the floating rod, and the lower sealing plug continuously moves downwards until the lower sealing plug is tightly attached to the lower water through hole for sealing, so that the water heater can be normally used without emergency repair.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic structural view of a solar water heater provided with an anti-explosion tube device in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view (a state where the retainer nut is tightened) at a point a in fig. 1.

Reference numbers in the figures: the device comprises a vacuum tube 1, a water tank 2, a water inlet 3, a buoy assembly 4, a buoy rod 4.1, a buoy 4.2, an upper sealing plug 4.3, a lower sealing plug 4.4, a counterweight ring 4.5, a limit nut 4.6, a cavity assembly 5, a cavity 5.1, a lower water through hole 5.2, a sealing cover 5.3 and an upper water through hole 5.4.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in connection with fig. 1 and 2. A solar water heater comprises a water tank 2, vacuum tubes 1 and an anti-explosion tube device, wherein the water tank 2 is connected with the vacuum tubes 1 side by side, the anti-explosion tube device is installed at the joint of the vacuum tubes 1 and the water tank 2, and a water inlet 3 is formed in the water tank 2 and used for leading water into the water tank.

The anti-explosion pipe device comprises a cavity component 5 and a float bowl component 4, the cavity component 5 comprises a cavity 5.1 and a sealing cover 5.3, the cavity 5.1 is arranged inside the end head of the vacuum pipe 1, the sealing cover 5.3 is arranged at the opening end of the cavity 5.1 and is attached to the opening end of the cavity 5.1, an upper water through hole 5.4 is formed in the sealing cover 5.3, a lower water through hole 5.2 is formed in the end face of the closed end of the cavity 5.1, the float bowl component 4 is slidably arranged inside the cavity 5.1 and is matched with the upper water through hole 5.4 and the lower water through hole 5.2, and the cavity component 5 is in interference connection or threaded connection with the end head of the vacuum pipe 1.

The float bowl component 4 has a first state and a second state, when the float bowl component 4 is in the first state, the float bowl component 4 is attached to the lower water through hole 5.2 and is far away from the upper water through hole 5.4, and at the moment, water in the water tank 2 enters the cavity 5.1. In the second state, the buoy assembly 4 is attached to the upper water through hole 5.4 and is far away from the lower water through hole 5.2, and at the moment, water in the cavity 5.1 flows into the vacuum tube 1.

Specifically, the float assembly 4 comprises a float rod 4.1, a float bowl 4.2 sleeved on the float rod 4.1, an upper sealing plug 4.3 and a lower sealing plug 4.4, the float bowl 4.2 is positioned between the upper sealing plug 4.3 and the lower sealing plug 4.4, and two end parts of the float rod 4.1 respectively penetrate through the closed end of the cavity 5.1 and the sealing cover 5.3 and are slidably connected with the closed end and the sealing cover.

The upper water through hole 5.4 and the lower water through hole 5.2 are a plurality of through holes which are uniformly arranged and wound into a ring shape, and the upper sealing plug 4.3 and the lower sealing plug 4.4 are respectively matched and sealed with the upper water through hole 5.4 and the lower water through hole 5.2. Optionally, the upper water passage hole 5.4 and the lower water passage hole 5.2 are annular through holes.

Furthermore, sealing rings are arranged at the positions, connected with the outer wall of the floating rod 4.1, of the sealing cover 5.3 and the cavity 5.1, so that water leakage is avoided.

Further, as shown in fig. 3, a counter weight ring 4.5 is provided between the buoy 4.2 and the lower sealing plug 4.4 for adjusting the buoyancy. The float assembly 4 further comprises a limiting nut 4.6, and the limiting nut 4.6 is matched with the bottom end portion of the floating rod 4.1 and used for enabling the lower sealing plug 4.4 to seal the lower water through hole 5.2 when the vacuum tube 1 is broken.

The utility model discloses a solar water heater prevents exploding tub device and solar water heater thereof, when solar water heater added water, rivers got into cavity 5.1 through last limbers 5.4 of closing cap 5.3, and the pressure of rivers pushes up cavity 5.1 bottom with flotation pontoon subassembly 4 simultaneously, and lower sealing plug 4.4 closes lower limbers 5.2 of cavity 5.1 bottom this moment. When the cavity 5.1 is filled with water, under the action of buoyancy of the buoy 4.2, the buoy assembly 4 moves towards the sealing cover 5.3, the upper sealing plug 4.3 closes the upper water through hole 5.4 of the sealing cover 5.3, the lower water through hole 5.2 at the bottom of the cavity 5.1 is opened, and the water in the cavity 5.1 begins to enter the all-glass vacuum tube 1 of the solar water heater. Because the water in the cavity 5.1 continuously absorbs the external heat in the releasing process after being filled with the water, and the water temperature rises and then enters the all-glass vacuum tube 1, the temperature difference between the water temperature and the vacuum tube 1 is small, and the vacuum tube 1 is not easy to damage. When the water level in the cavity 5.1 drops, the float bowl component 4 moves downwards along with the water level, the upper water through hole 5.4 of the sealing cover 5.3 is opened, water flow enters the cavity 5.1 through the upper water through hole 5.4, meanwhile, the pressure of the water flow pushes the float bowl component 4 to the bottom of the cavity 5.1 again, the lower water through hole 5.2 at the bottom of the cavity 5.1 is closed by the lower sealing plug 4.4, the operation is repeated until the full-glass vacuum tube 1 of the solar water heater is filled with water, the float bowl component 4 moves towards the sealing cover 5.3 under the action of the buoyancy of the float bowl 4.2, and the upper water through hole 5.4 is closed by the upper sealing cover 5.3.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. A solar water heater anti-pipe explosion device is arranged at the joint of a vacuum pipe and a water tank and is characterized by comprising a cavity component and a floating drum component, wherein the cavity component comprises a cavity and a sealing cover, the cavity is arranged inside the end head of the vacuum pipe, the sealing cover is arranged at the opening end of the cavity and is attached to the opening end of the cavity, an upper water through hole is formed in the sealing cover, a lower water through hole is formed in the end face of the sealing end of the cavity, and the floating drum component is slidably arranged inside the cavity and is matched with the upper water through hole and the lower water through hole;

the flotation pontoon subassembly has first state and second state, and when being in the first state, the limbers under the flotation pontoon subassembly laminating to keep away from last limbers, when being in the second state, the limbers is gone up in the flotation pontoon subassembly laminating, and keeps away from down the limbers.

2. The tube explosion prevention device of a solar water heater according to claim 1, wherein the float assembly comprises a float rod, and a float, an upper sealing plug and a lower sealing plug sleeved on the float rod, wherein the float is positioned between the upper sealing plug and the lower sealing plug, and two ends of the float rod respectively penetrate through the closed end of the cavity and the sealing cover and are slidably connected with the closed end of the cavity and the sealing cover.

3. The tube explosion prevention device for a solar water heater according to claim 2, wherein the float assembly further comprises a limit nut, the limit nut is matched with the bottom end part of the float rod and used for enabling the lower sealing plug to close the lower water through hole when the vacuum tube is broken.

4. The anti-tube-explosion device of a solar water heater according to claim 2, wherein sealing rings are arranged on the sealing cover and the cavity at the position connected with the outer wall of the floating rod.

5. The anti-explosion tube device of a solar water heater according to claim 2, wherein the upper and lower water through holes are a plurality of uniformly arranged through holes wound in a ring shape, and the upper and lower sealing plugs are respectively sealed with the upper and lower water through holes in a matching manner.

6. The anti-explosion tube device of a solar water heater according to claim 2, wherein the upper and lower water through holes are annular through holes, and the upper and lower sealing plugs are respectively sealed with the upper and lower water through holes.

7. The solar water heater tube explosion prevention device of claim 2, wherein a counterweight ring is arranged between the buoy and the lower sealing plug for adjusting buoyancy.

8. The solar water heater anti-tube-explosion device according to claim 1, wherein the cavity assembly is in interference connection or threaded connection with the end of the vacuum tube.

9. A solar water heater comprising a solar water heater explosion protection tube arrangement according to any one of claims 1 to 7.