CN211526739U

CN211526739U - Backwater circulating device convenient to dismouting maintenance

Info

Publication number: CN211526739U
Application number: CN201922336696.6U
Authority: CN
Inventors: 蒋春光
Original assignee: Ningbo Chunguang Hot Water Co ltd
Current assignee: Ningbo Chunguang Hot Water Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-18
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a return water circulating device convenient to dismouting maintenance, including host computer shell, outlet pipe, inlet tube, circulating water pump, rivers inductive switch and temperature sensor, the top of host computer shell is equipped with the outlet pipe, host computer shell bottom is equipped with the inlet tube, be equipped with circulating line in the host computer shell, the outlet pipe is connected to circulating line's one end, and circulating line's the other end connection inlet tube, circulating water pump and rivers inductive switch install on circulating line in proper order, still include the wall link plate, the vertical two limiting plates that are equipped with on the wall link plate. The utility model discloses the host computer shell is placed on the layer board that the wall-hung plate is connected through the cooperation of spacing groove and limiting plate to bolt quick assembly disassembly is twisted to the accessible hand, avoids sewage backward flow to hot water supply device in through setting up the filter tube, possesses easy dismounting, avoids sewage backward flow to get into hot water supply device's advantage, suitable using widely.

Description

Backwater circulating device convenient to dismouting maintenance

Technical Field

The utility model relates to a return water device technical field especially relates to a return water circulating device convenient to dismouting maintenance.

Background

The domestic hot water supply system firstly flows cold water out of the pipeline after a hot water switch is turned on, and hot water can flow out only after the cold water in the pipeline flows out completely, so that great water resource waste is caused, and the time for using the hot water is delayed. The return water device is matched with a household hot water supply system for use, so that the cold water discharge process does not need to be waited, and the purpose of using comfortable hot water immediately after opening is achieved through the automatic circulation function of the return water device.

The threaded mounting hole is seted up through the shell four corners position department that corresponds the return water device on the wall body during current return water device dismouting, then pass through the bolt fastening with first connecting piece on the wall, then be connected second connecting piece on the shell with above-mentioned first connecting piece, pass through bolted connection with two connecting pieces again, the position requirement that this kind of mounting means punched to the wall is very high, must correspond with the connecting piece position on the shell, also need to twist off the bolt on two connecting pieces of four corners position department one by one during the dismantlement, the dismouting is very inconvenient, can't maintain return water device quick assembly disassembly, and fixed effect also can't guarantee. In addition, the existing backwater circulating device is not provided with a filtering device, sewage is generated in the water pipe due to corrosion of the water pipe, and the sewage can enter the hot water supply device during backwater.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a return water circulating device convenient to dismouting maintenance possesses easy dismounting, avoids the advantage of sewage backward flow, solves the problem that current return water circulating device dismouting is troublesome, sewage backward flow to hot water supply device.

According to the embodiment of the utility model, a return water circulating device convenient for disassembly, assembly and maintenance comprises a main machine shell, a water outlet pipe, a water inlet pipe, a circulating water pump, a water flow inductive switch and a temperature sensor, wherein the water outlet pipe is arranged at the top end of the main machine shell, the water inlet pipe is arranged at the bottom of the main machine shell, a circulating pipeline is arranged in the main machine shell, one end of the circulating pipeline is connected with the water outlet pipe, the other end of the circulating pipeline is connected with the water inlet pipe, and the circulating water pump and the water flow inductive switch are sequentially;

the wall hanging plate is characterized by further comprising a wall hanging plate, two limiting plates are vertically arranged on the wall hanging plate, a supporting plate perpendicular to the wall hanging plate is connected to the bottom end of the wall hanging plate, and hand-screwed bolts are connected to the supporting plate; the back surface of the host shell is provided with a limiting groove corresponding to the limiting plate, the limiting plate is in sliding fit with the limiting groove, the bottom end of the host shell is provided with a clamping groove for accommodating the supporting plate, and the hand-screwed bolt penetrates through the supporting plate and is in threaded connection with the host shell; the water inlet pipe is connected with a first three-way pipe, the other two ends of the first three-way pipe are respectively connected with a cold water inlet pipe and a water return pipe, the other end of the water return pipe is connected with a second three-way pipe, the other two ends of the second three-way pipe are respectively connected with a hot water outlet pipe and a farthest water port, a one-way valve is arranged at a position, close to the first three-way pipe, on the water return pipe between the one-way valve and the first three-way pipe, a temperature sensor is arranged on the water return pipe between the one-way valve and the first three-way pipe, a filter pipe is arranged on the water inlet pipe, and.

Furthermore, the cross section of the limiting plate is L-shaped, the cross section of the limiting groove is L-shaped corresponding to the cross section of the limiting plate, and the limiting plate is inserted into the limiting groove.

Furthermore, the outer sides of the two limiting plates on the wall hanging plate are connected with rubber columns, and when the host shell is placed on the supporting plate through the matching of the limiting grooves and the limiting plates, one ends, close to the host shell, of the rubber columns are abutted to the host shell.

Further, still be equipped with on the wall link plate and hang and detain, the back of host computer shell is equipped with the couple that is used for with hanging to detain and articulate, and when the host computer shell placed on the layer board through the cooperation of spacing groove and limiting plate, the couple articulates on hanging to detain.

Furthermore, both ends of the filter pipe are in threaded connection with the water inlet pipe, and a first metal mesh, a first non-woven fabric layer, an activated carbon layer, a second non-woven fabric layer and a second metal mesh are sequentially arranged in the filter pipe from left to right.

Further, still threaded connection has the blow off pipe between the one end that the filter tube is close to first three-way pipe and the inlet tube, be equipped with three port on the blow off pipe, the first port and the filter tube threaded connection of blow off pipe, the second port and the inlet tube threaded connection of blow off pipe, the third port of blow off pipe sets up down and threaded connection has the closing cap.

Compared with the prior art, the utility model beneficial effect who has is: host computer shell places on the layer board that the wall-hanging board is connected through the cooperation of spacing groove with the limiting plate to bolt quick assembly disassembly is twisted to the accessible hand, avoids sewage backward flow to hot water supply device in through setting up the filter tube, possesses easy dismounting, avoids sewage backward flow to get into hot water supply device's advantage, suitable using widely.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of an internal structure of a conventional mainframe housing;

FIG. 2 is a schematic view of the connection structure of the middle wall hanging plate and the supporting plate of the present invention;

FIG. 3 is a schematic diagram of the back structure of the casing of the middle host of the present invention;

FIG. 4 is a top view of the mainframe housing after connection with a wall plate;

FIG. 5 is a schematic view of the whole structure of the water return circulation device, the hot water supply device and the water usage port which are convenient for disassembly, assembly and maintenance;

FIG. 6 is a schematic sectional view of the water inlet pipe, the filter pipe and the sewage draining pipe after being connected.

In the figure: 1-host shell, 2-wall hanging plate, 3-water outlet pipe, 4-water inlet pipe, 5-circulating pipeline, 6-limiting plate, 7-limiting groove, 8-rubber column, 9-supporting plate, 10-clamping groove, 11-hanging buckle, 12-hook, 13-hot water supply device, 14-first three-way pipe, 15-cold water inlet pipe, 16-water return pipe, 17-second three-way pipe, 18-hot water outlet pipe, 19-farthest water using port, 20-one-way valve, 21-filtering pipe, 22-first metal net, 23-first non-woven fabric layer, 24-activated carbon layer, 25-second non-woven fabric layer, 26-second metal net, 27-sewage discharge pipe, 28-sealing cover, 29-circulating water pump, 30-water flow induction switch, 31-power line, 32-expansion bolt.

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.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1, the existing water returning device includes a host casing 1, a water outlet pipe 3 is arranged on the top end of the host casing 1, a water inlet pipe 4 is arranged at the bottom of the host casing 1, a circulating pipeline 5, a circulating water pump 29 and a water flow inductive switch 30 are arranged in the host casing 1, the existing water returning device further includes a temperature sensor for detecting water temperature, the water outlet pipe 3 is connected to one end of the circulating pipeline 5, the water inlet pipe 4 is connected to the other end of the circulating pipeline 5, and the circulating water pump 29 and the water flow inductive switch 30 are sequentially installed on the. A main control panel is arranged in the host shell 1, a display panel and control buttons are further arranged on the host shell 1, the display panel is used for displaying information such as time, temperature and working modes, the control buttons comprise a switch button, a reset button, a manual button and a setting mode button, and the main control panel is connected with a power supply through a power line 31; the display panel is connected with the main control panel, the temperature sensor, the water flow inductive switch 30 and the circulating water pump 29 are connected with the main control panel, the prior art of the water return device is adopted, and all electronic elements are products which can be normally purchased by people in the market.

Referring to fig. 2-4, in order to guarantee easy dismounting, the utility model discloses still include wall link plate 2, set up four installing ports on the wall link plate 2, and pass the installing port through four expansion bolts 32 and fix wall link plate 2 on the wall, the vertical two limiting plates 6 that are equipped with on wall link plate 2, and two limiting plate 6 symmetries set up, limiting plate 6 is transversal personally submits L shape, set up the L shape spacing groove 7 corresponding with limiting plate 6 at host computer shell 1's the back, limiting plate 6 and spacing groove 7 sliding fit, host computer shell 1 inserts limiting plate 6 along the direction from top to bottom and locates in spacing groove 7.

The outer sides of the two limiting plates 6 on the wall hanging plate 2 are connected with rubber columns 8, the bottom end of the wall hanging plate 2 is connected with a supporting plate 9 perpendicular to the wall hanging plate 2, the supporting plate 9 and the wall hanging plate 2 are integrally formed or welded, and the supporting plate 9 is connected with hand-screwed bolts; host computer shell 1 bottom is equipped with the draw-in groove 10 that is used for holding layer board 9, host computer shell 1 places back on layer board 9 through the cooperation of spacing groove 7 with limiting plate 6, layer board 9 is located draw-in groove 10, and the one end that the rubber post 8 is close to host computer shell 1 offsets with host computer shell 1 this moment, offset with host computer shell 1 through rubber post 8, make spacing groove 7 on the host computer shell 1 offset with limiting plate 6, increase the frictional force between them, make it be difficult to take place relative slip, strengthen stability, the bolt is twisted to the hand passes layer board 9 and host computer shell 1 threaded connection.

In order to avoid the too much risk that leads to layer board 9 to drop of layer board 9 bearing, still be equipped with on wall link plate 2 and hang knot 11, the back of host computer shell 1 is equipped with and is used for hanging the couple 12 that detains 11 and articulate, when host computer shell 1 placed on layer board 9 through spacing groove 7 and limiting plate 6's cooperation, couple 12 articulates on hanging knot 11, avoids layer board 9 to lead to the phenomenon of host computer shell 1 to drop to take place because other factors drop.

Referring to fig. 5, the pipeline connecting mode of the backwater circulating device and the hot water supply device 13, water port of the present invention is: the water inlet pipe 4 is connected with a first three-way pipe 14, the other two ends of the first three-way pipe 14 are respectively connected with a cold water inlet pipe 15 and a water return pipe 16, the other end of the water return pipe 16 is connected with a second three-way pipe 17, the other two ends of the second three-way pipe 17 are respectively connected with a hot water outlet pipe 18 and a farthest water port 19, a one-way valve 20 is arranged at a position, close to the first three-way pipe 14, on the water return pipe 16, a temperature sensor is installed on the water return pipe 16 between the one-way valve 20 and the first three-way pipe 14, a filter pipe 21 is arranged on the water inlet pipe 4, and the filter pipe 21 is located between. Wherein the check valve 20 can prevent the water of the return pipe 16 from flowing backward, and the filtering pipe 21 is used to filter impurities.

In an alternative embodiment, the hot water supply device 13 is any one of an electric water heater, a gas water heater, a solar water heater, a magnetic water heater, an air water heater, and a heating water heater.

Referring to fig. 6, in one embodiment, both ends of the filter pipe 21 are screwed with the water inlet pipe 4, and a first metal mesh 22, a first nonwoven fabric layer 23, an activated carbon layer 24, a second nonwoven fabric layer 25, and a second metal mesh 26 are sequentially disposed in the filter pipe 21 from left to right. First metal mesh 22, second metal mesh 26 adopt stainless steel material to be used for filtering great solid impurity, first non-woven fabrics layer 23, second non-woven fabrics layer 25 are used for filtering less solid impurity, prevent simultaneously that the active carbon from passing, active carbon layer 34 carries out further filtration to prefiltered sewage through its adsorption, filter and purify the sewage in the pipeline through filter tube 21, prevent that sewage from directly getting into hot water supply device 13, avoid polluting the quality of water in the hot water supply device 13, avoid impurity in the sewage to deposit the life that the scale deposit influences hot water supply device 13 simultaneously.

In order to facilitate the discharge of impurities, a drain pipe 27 is in threaded connection with one end of the filtering pipe 21 close to the first three-way pipe 14, three ports are formed in the drain pipe 27, the first port of the drain pipe 27 is in threaded connection with the filtering pipe 21, the second port of the drain pipe 27 is in threaded connection with the water inlet pipe 4, the third port of the drain pipe 27 is arranged downwards and is in threaded connection with a sealing cover 28, and the large solid impurities intercepted by the filtering pipe 21 fall into the third port of the drain pipe 27, so that the impurities can be discharged quickly only by unscrewing the sealing cover 28. In addition, the water inlet pipe 4, the filter pipe 21 and the sewage discharge pipe 27 are all connected through threads, so that the filter pipe 21 is convenient to disassemble and replace.

The utility model discloses an installation as follows:

firstly, fixing the wall hanging plate 2 on the wall through an expansion bolt 32;

then, inserting a limit plate 6 into an upper limit groove 7 of the host shell 1 along the host shell 1 from top to bottom, placing the host shell 1 on a support plate 9, wherein at the moment, one end of a rubber column 8 close to the host shell 1 is abutted against the host shell 1, and a hook 12 on the host shell 1 is hung on a hanging buckle 11 on a wall hanging plate 2;

then, screwing a hand-screwed bolt at the bottom of the supporting plate 9 into the host shell 1 through the supporting plate 9;

finally, the water inlet pipe 4, the water outlet pipe 3, the water return pipe 16, the one-way valve 20, the filter pipe 21, the sewage discharge pipe 27 and the like are connected in a corresponding sequence, and the installation can be completed.

When the parts in the main engine shell 1 break down and need to be maintained and the main engine shell 1 needs to be taken down, the main engine shell 1 can be taken down from the wall hanging plate 2 from bottom to top only by unscrewing a bolt by one hand, and the disassembly and the assembly are convenient.

When the water return pipe 16 is connected with the farthest water port 19 and the hot water outlet pipe 18 through the second three-way pipe 17, when a user turns on the hot water faucet at the farthest water port 19, hot water in the hot water supply device 13 flows out of the hot water outlet pipe 18 and flows to the water port, the water flow sensing switch 30 generates a flow signal and turns on the switch, the circulating water pump 29 is started to circulate, and therefore cold water in the hot water outlet pipe 18 and the farthest water port 19 is circulated into the hot water supply device 13 through the water return pipe 16 and the water inlet pipe 4, and hot water is circulated into the hot water outlet pipe 18 near the water port. That is, when the main control board detects the flow signal of the water flow sensing switch 30 and the temperature sensor detects that the water temperature of the water return pipe 16 is lower than the set value of the pipeline temperature, namely the return difference temperature, the circulation water pump 29 is started to circulate, and when the water temperature in the water return pipe 18 is higher than the set value of the pipeline temperature, the circulation is stopped, so that the water flowing out from the hot water outlet of the water using port at any position is ensured to be hot water.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a return water circulating device convenient to dismouting maintenance, includes host computer shell, outlet pipe, inlet tube, circulating water pump, rivers inductive switch and temperature sensor, the top of host computer shell is equipped with the outlet pipe, host computer shell bottom is equipped with the inlet tube, be equipped with circulating line in the host computer shell, the outlet pipe is connected to circulating line's one end, and circulating line's the other end connection inlet tube, circulating water pump and rivers inductive switch install its characterized in that on circulating line in proper order:

the wall hanging plate is characterized by further comprising a wall hanging plate, two limiting plates are vertically arranged on the wall hanging plate, a supporting plate perpendicular to the wall hanging plate is connected to the bottom end of the wall hanging plate, and hand-screwed bolts are connected to the supporting plate;

the back surface of the host shell is provided with a limiting groove corresponding to the limiting plate, the limiting plate is in sliding fit with the limiting groove, the bottom end of the host shell is provided with a clamping groove for accommodating the supporting plate, and the hand-screwed bolt penetrates through the supporting plate and is in threaded connection with the host shell;

the water inlet pipe is connected with a first three-way pipe, the other two ends of the first three-way pipe are respectively connected with a cold water inlet pipe and a water return pipe, the other end of the water return pipe is connected with a second three-way pipe, the other two ends of the second three-way pipe are respectively connected with a hot water outlet pipe and a farthest water port, a one-way valve is arranged at a position, close to the first three-way pipe, on the water return pipe between the one-way valve and the first three-way pipe, a temperature sensor is arranged on the water return pipe between the one-way valve and the first three-way pipe, a filter pipe is arranged on the water inlet pipe, and.

2. The water return circulating device convenient to disassemble, assemble and maintain as claimed in claim 1, wherein: the cross section of the limiting plate is L-shaped, the cross section of the limiting groove is L-shaped corresponding to the cross section of the limiting plate, and the limiting plate is inserted into the limiting groove.

3. The water return circulating device convenient to disassemble, assemble and maintain as claimed in claim 2, wherein: the outer sides of the two limiting plates on the wall hanging plate are connected with rubber columns, and when the host shell is placed on the supporting plate through the matching of the limiting grooves and the limiting plates, one ends, close to the host shell, of the rubber columns are abutted to the host shell.

4. The water return circulating device convenient to disassemble, assemble and maintain as claimed in claim 1, wherein: the hanging plate is further provided with a hanging buckle, the back face of the host shell is provided with a hook used for being hung on the hanging buckle, and when the host shell is placed on the supporting plate through the matching of the limiting groove and the limiting plate, the hook is hung on the hanging buckle.

5. The water return circulating device convenient to disassemble, assemble and maintain as claimed in claim 1, wherein: the two ends of the filter pipe are in threaded connection with the water inlet pipe, and a first metal net, a first non-woven fabric layer, an activated carbon layer, a second non-woven fabric layer and a second metal net are sequentially arranged in the filter pipe from left to right.

6. The water return circulating device convenient to disassemble, assemble and maintain as claimed in claim 5, wherein: still threaded connection has the blow off pipe between the one end that the filter tube is close to first three-way pipe and the inlet tube, be equipped with three port on the blow off pipe, the first port and the filter tube threaded connection of blow off pipe, the second port and the inlet tube threaded connection of blow off pipe, the third port of blow off pipe sets up down and threaded connection has the closing cap.