CN210267781U - Water injection anti-backflow joint of solar water heater - Google Patents

Abstract

The utility model discloses an anti-backflow joint for water injection of a solar water heater in the technical field of solar fittings, which comprises a shell, an auxiliary external pipe, a limiting plate and a valve plate, wherein the right side wall of the shell is in threaded connection with the auxiliary external pipe, the anti-backflow joint for water injection of the solar water heater utilizes the main external pipe and the auxiliary external pipe on the shell to be connected with a cold water pipe of the solar water heater, and is matched with a valve limiting bolt which is movably connected with the limiting plate, when water flows reversely, the valve plate is contacted with the limiting plate after the water flow impacts the valve plate, the gap of the limiting plate is sealed, the function of a one-way valve can be achieved, hot water can not enter a tap water pipe through the cold water pipe, cold water in the tap water pipe can enter the cold water pipe through the one-way valve after the valve plate is pushed, and is led into a heat storage water tank of the solar water heater, and a chute with a flow, can make rivers rotatory transmission in the diversion process, effectively guarantee that the velocity of flow is even.

Description

Water injection anti-backflow joint of solar water heater

Technical Field

The utility model relates to a solar energy accessory technical field specifically is an anti joint that backflows of solar water heater water injection.

Background

The solar water heater is a heating device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar water heater is divided into a vacuum tube type solar water heater and a flat plate type solar water heater according to the structural form, mainly uses the vacuum tube type solar water heater as a main part, and occupies 95 percent of domestic market share. The vacuum tube type domestic solar water heater is composed of heat collecting tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and the vacuum heat collecting tube can utilize the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water.

The solar water heater introduces cold water into the heat storage water tank through the cold water pipe, then the heat is transferred into the heat storage water tank through the heat collector to heat water in the heat storage water tank to be changed into hot water, and the hot water in the heat storage water tank is introduced into a water tap in a room through the hot water pipe to be discharged for use. Under normal conditions, cold water in a tap water pipe can enter a heat storage water tank through the cold water pipe under the action of water pressure by opening a valve between the tap water pipe and the cold water pipe of the solar water heater.

However, when the water pressure in the tap water pipe is low, especially during peak water consumption, it is obvious that many users using tap water are at the same time, cold water in the tap water pipe cannot overcome the pressure of the water column in the cold water pipe and enters the heat storage water tank, and the transmission is unstable, and conversely, hot water in the heat storage water tank may flow into the tap water pipe through the cold water pipe under the action of self gravity, that is, water in the solar water heater flows back into the tap water pipe, so that people are accidentally scalded by hot water from the solar water heater when using the tap water, and resource waste is also caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti joint that backflows of solar water heater water injection, when water pressure when in the running water pipe is lower in solving the above-mentioned background art and proposing, especially when the water peak, it is more obvious when the user who uses the running water simultaneously, the pressure that the intraductal water column of cooling water can't be overcome to the intraductal cold water of running water and get into hot water storage tank, the transmission is unstable, hot water in the hot water storage tank can flow in the running water pipe through the cold water pipe under the effect of self gravity on the contrary, water in the solar water heater flows back into the running water pipe promptly, lead to people to be come from the unexpected scald of hot water in the solar water heater when using the running water, the problem of the waste of resource has also been caused.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti joint that backflows of solar water heater water injection, includes shell, vice outer takeover, limiting plate and flap board, the right side wall threaded connection of shell the vice outer takeover, the inner chamber left side wall of vice outer takeover is inlayed the limiting plate, the left side wall contact of limiting plate the flap board, the left side wall threaded connection of shell has the main outer takeover, the circumference outer wall of main outer takeover has connect main external sleeve pipe, the circumference outer wall of vice outer takeover has cup jointed vice external sleeve pipe, the circumference inner wall of limiting plate bonds has the support, the end of support bonds there is the inner circle, the circumference inner wall of inner circle is pegged graft and is had the spliced pole, the left side wall grafting of spliced pole the flap board, the right side wall threaded connection of spliced pole has flap stop cock, the left side wall of flap board has seted up the jack, the right side wall integrated into one piece of flap board is connected with the chute, the inside integrated into one piece of chute is connected with water conservancy diversion platform board.

Preferably, a gasket is bonded on the inner circumferential wall of the inner ring, and the gasket is made of a heat-resistant rubber ring.

Preferably, a sealing sleeve ring is sleeved on the outer circumferential wall of the connecting column, and the left side wall of the sealing sleeve ring is in contact with the right side wall of the jack.

Preferably, the inner circumferential walls of the main external pipe and the auxiliary external pipe are provided with inner threads.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of solar water heater water injection anti-reflux connects, combination application through the accessory, utilize main outer takeover and the vice takeover on the shell to connect on solar water heater's cold water pipe, cooperation and limiting plate swing joint's valve stop cock, when reverse flowing water, behind rivers striking valve board, make valve board and limiting plate contact, seal the space of limiting plate, can reach the check valve effect, make hot water can't get into the water pipe through the cold water pipe, and the cold water in the water pipe, promote behind the valve board, can get into the cold water pipe through this check valve and introduce solar water heater's in the heat storage water tank, and add the chute that has the water conservancy diversion platform board on the valve board, can make the rotatory transmission of rivers at the diversion in-process, effectively guarantee that the velocity of flow is even.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of a limiting plate of the present invention;

fig. 3 is a schematic view of the flap plate of the present invention.

In the figure: 100 shells, 110 main external pipes, 120 main external pipes, 300 auxiliary external pipes, 310 auxiliary external pipes, 400 limiting plates, 410 supports, 420 inner rings, 430 gaskets, 440 valve limiting bolts, 450 connecting columns, 500 valve plates, 510 jacks, 520 sealing lantern rings, 530 chutes and 540 flow guide platform plates.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a water injection anti-backflow joint of a solar water heater, which can effectively prevent the solar water heater from flowing backwards through the combined application of accessories, please refer to fig. 1-3, comprising a shell 100, an auxiliary external pipe 300, a limiting plate 400 and a movable plate 500;

referring to fig. 1 again, the left side wall of the casing 100 has a main external pipe 110, specifically, the left side wall of the casing 100 is connected with the main external pipe 110 by screw threads, and the outer circumferential wall of the main external pipe 110 is connected with a main external sleeve 120;

referring to fig. 1 again, the left side wall of the auxiliary external pipe 300 is fixedly mounted to the right side wall of the housing 100, specifically, the right side wall of the housing 100 is screwed to the auxiliary external pipe 300, and the circumferential outer wall of the auxiliary external pipe 300 is sleeved with an auxiliary external pipe sleeve 310;

referring to fig. 1-2 again, the right side wall of the limiting plate 400 is fixedly mounted to the left side wall of the secondary external pipe 300, specifically, the limiting plate 400 is embedded to the left side wall of the inner cavity of the secondary external pipe 300, the bracket 410 is bonded to the circumferential inner wall of the limiting plate 400, the inner ring 420 is bonded to the end of the bracket 410, the connecting post 450 is inserted into the circumferential inner wall of the inner ring 420, the movable plate 500 is inserted into the left side wall of the connecting post 450, and the flap limiting bolt 440 is threadedly connected to the right side wall of the connecting post 450;

referring to fig. 2-3 again, the right sidewall of the flap plate 500 contacts with the left sidewall of the limiting plate 400, specifically, the left sidewall of the limiting plate 400 contacts with the movable plate 500, the left sidewall of the movable plate 500 is provided with an insertion hole 510, the right sidewall of the movable plate 500 is integrally connected with a chute 530, and the inside of the chute 530 is integrally connected with a flow guiding platform plate 540;

when the solar water heater is used in a concrete way, firstly, in the process of routing the pipes after solar energy installation, the device is installed at a proper position, for example, the device is connected to a cold water pipe of the solar water heater, so that the function of a one-way valve can be achieved, when hot water enters from the main external pipe 110 and wants to flow back to the auxiliary external pipe 300 through the shell 100, water flow collides the valve plate 500, the valve plate 500 blocks the position of the limit plate 400, so that the hot water cannot enter a tap water pipe through the auxiliary external pipe 300, cold water in the tap water pipe can enter the shell 100 through the one-way valve, the cold water pushes the valve plate 500, the valve plate 500 moves backwards under stress, after being fixed by the connecting column 450 containing the valve limit bolt 440, a gap is formed between the valve plate 500 and the limit plate 400, the cold water accelerates the flow rate along with the chute 530 with the guide platform plate 540 on the valve plate 500, to introduce water flow into the heat storage water tank of the solar water heater;

referring to fig. 2 again, in order to ensure smooth contact between the connecting post 450 and the inner ring 420, specifically, a gasket 430 is bonded to the inner circumferential wall of the inner ring 420, and the gasket 430 is made of a heat-resistant rubber ring.

Referring again to fig. 2-3, in order to increase the sealing effect of the insertion hole 510, specifically, the sealing collar 520 is sleeved on the outer circumferential wall of the connection column 450, and the left side wall of the sealing collar 520 contacts the right side wall of the insertion hole 510.

Referring to fig. 1 again, in order to facilitate the external connection, specifically, the inner circumferential walls of the main external pipe 110 and the auxiliary external pipe 300 are provided with internal threads.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (4)

1. The utility model provides a solar water heater water injection anti-backflow connects which characterized in that: including shell (100), vice outer takeover (300), limiting plate (400) and valve board (500), the right side wall threaded connection of shell (100) vice outer takeover (300), the inner chamber left side wall that vice outer takeover (300) is inlayed limiting plate (400), the left side wall contact of limiting plate (400) valve board (500), the left side wall threaded connection of shell (100) has main outer takeover (110), the circumference outer wall of main outer takeover (110) has main outer sleeve pipe (120), the circumference outer wall of vice outer takeover (300) has cup jointed vice outer sleeve pipe (310), the circumference inner wall bonding of limiting plate (400) has support (410), the end bonding of support (410) has inner circle (420), the circumference inner wall of inner circle (420) is pegged graft and has spliced pole (450), the left side wall grafting of spliced pole (450) is pegged graft valve board (500), the right side wall threaded connection of spliced pole (450) has valve stop cock (440), jack (510) have been seted up to the left side wall of valve board (500), the right side wall integrated into one piece of valve board (500) is connected with chute (530), the inside integrated into one piece of chute (530) is connected with water conservancy diversion platform board (540).

2. The water injection anti-backflow joint of the solar water heater as claimed in claim 1, wherein: and a gasket (430) is bonded on the inner wall of the circumference of the inner ring (420), and the gasket (430) is made of a heat-resistant rubber ring.

3. The water injection anti-backflow joint of the solar water heater as claimed in claim 1, wherein: the outer wall of the circumference of the connecting column (450) is sleeved with a sealing collar (520), and the left side wall of the sealing collar (520) is in contact with the right side wall of the insertion hole (510).

4. The water injection anti-backflow joint of the solar water heater as claimed in claim 1, wherein: the inner circumferential walls of the main external pipe (110) and the auxiliary external pipe (300) are provided with inner threads.

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