CN201787550U

CN201787550U - Steam generating device

Info

Publication number: CN201787550U
Application number: CN2010205168631U
Authority: CN
Inventors: 周洪
Original assignee: Xiaotian Zhongshan Industrial Co Ltd
Current assignee: Xiaotian Zhongshan Industrial Co Ltd
Priority date: 2010-09-03
Filing date: 2010-09-03
Publication date: 2011-04-06
Anticipated expiration: 2020-09-03

Abstract

The utility model discloses a steam generating device, which comprises a water pump, a heating body and a pressure relief device, wherein the pressure relief device is connected between the water pump and the heating body. The pressure relief device can prevent the phenomenon of excessively high pressure between the water pump and the heating body; when the pressure is excessively high, water or steam between the water pump and the heating body is discharged by the pressure relief device; and when the pressure is normal, the pressure relief device is enclosed so as to prevent water between the water pump and the heating body from being discharged from the device.

Description

A kind of steam generation device

Technical field

The utility model belongs to the steam technical field of electric appliances, relates in particular to a kind of steam generation device.

Background technology

At present, can occur in the household electrical appliance of steam at portable steam machine, Steam mop and hanging steam engine etc., the heater that its inside all is provided with the water pump that is used to supply water and is used for water is heated to be steam, and being connected between water pump and the heater that produces steam is not provided with any safety measure, like this, when anomalies such as appearance obstruction in the heater, can make whole system, comprise water pump and heater, pressure inside increases, thereby influence the stable of whole system, even cause unexpected generation.

The utility model content

The purpose of the utility model embodiment is to provide a kind of steam generation device, is intended to solve the excessive problem of internal pressure between water pump and the heater.

The utility model embodiment is achieved in that a kind of steam generation device, comprises water pump and heater, also comprises pressure relief device, and described pressure relief device is connected between described water pump and the heater.

Further, described pressure relief device is a pressure-relief valve, and described pressure-relief valve is provided with tube connector that two ends communicate and the relief tube that communicates with described tube connector.

Further, described tube connector comprises first tube connector and second tube connector, described relief tube is arranged between described first, second tube connector, described water pump has first outlet pipe, described heater has second water inlet pipe, described first tube connector is connected with described first outlet pipe, and described second tube connector is connected with described second water inlet pipe.

Further, described relief tube one end sealing, the other end communicates with described tube connector, is equipped with pressure relief vent on the tube wall of described relief tube, and described relief tube outer surface is arranged with the elastic ring of the described pressure relief vent of capping.

Further, blind end one side of described relief tube is provided with the release valve gap, and described relief tube outer surface is along circumferentially being provided with the 3rd spacing block set, and described elastic ring is between described release valve gap and the 3rd spacing block set.

Further, described release valve gap has the depressed part that caves inward, bottom in described depressed part is extended with convex column to opening direction, form annular groove between the sidewall of described convex column and described depressed part, accordingly, one end of described relief tube be provided with one with the indent opening of described convex column coupling, described convex column is nested in the described indent opening, an end of described relief tube is nested in the described annular groove.

Further, the outer surface of described relief tube one end is provided with first projection around this outer surface, and accordingly, described depressed part surface is provided with first groove around this inner surface, and described first projection is nested in described first groove.

Further, in described tube connector mouth of pipe place, the described first tube connector outer surface is along being circumferentially with first trip, and the described second tube connector outer surface is along being circumferentially with second trip.

Further, along being circumferentially with second projection, be circumferentially with the 3rd projection in the described first tube connector outer surface in described second tube connector outer surface edge.

Further, interconnect the place in described first tube connector, described second tube connector and described relief tube, the described first tube connector outer surface is along being circumferentially with first spacing block set, and the described second tube connector outer surface is along being circumferentially with second spacing block set.

Pressure relief device of the present utility model can prevent to occur between water pump and the heater the excessive phenomenon of pressure, when pressure is excessive, water between water pump and the heater can excrete out via pressure relief device, when pressure just often, pressure relief device then seals, and prevents that the water between water pump and the heater from releasing from pressure relief device.

Description of drawings

Fig. 1 is the structural representation of the steam generation device that provides of the utility model embodiment;

Fig. 2 is the structural representation of the pressure-relief valve that provides of the utility model embodiment;

Fig. 3 is the cut-away illustration of the pressure-relief valve that provides of the utility model embodiment.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

A kind of steam generation device comprises water pump and heater, also comprises pressure relief device, and described pressure relief device is connected between described water pump and the heater.

The utility model embodiment can prevent to occur between water pump and the heater the excessive phenomenon of pressure by between water pump in steam generation device and the steam generation device pressure relief device being set.

Below in conjunction with specific embodiment specific implementation of the present utility model is described in detail.

Shown in Fig. 1～3, a kind of steam generation device comprises water pump 6 and heater 7, also comprises a pressure relief device, and described pressure relief device is connected between water pump 6 and the heater 7, and the pressure relief device in the present embodiment is a pressure-relief valve 8.Described pressure-relief valve 8 is provided with two tube connectors that are interconnected 80, be respectively first tube connector 81 and second tube connector 82, described first tube connector 81 is connected with first outlet pipe 62 of water pump 6, second tube connector 82 is connected with second water inlet pipe 71 of heater 7, like this, water enters water pump 6 from first water inlet pipe 61 of water pump 6, first outlet pipe 62 from water pump 6 comes out again, via pressure-relief valve 8, enter heater 7 from second water inlet pipe 71 of heater 7, enter the water in the heater 7, under the heat effect of heater 7, turn to steam and come out from the escape pipe 72 of heater 7.

In the present embodiment, also be provided with a relief tube 83 on the pressure-relief valve 8, these relief tube 83 1 ends communicate with first tube connector 81, second tube connector 82, and the aperture in its pipe is littler than the aperture of tube connector, like this, at tube connector 80 inner and round platforms of relief tube 83 internal connections formation.In addition, the one end sealing of relief tube 83, in relief tube 83, also be provided with one and can deaden the block 32 that relief tube 83 two ends are communicated with, this block 32 is one-body molded processing with relief tube 83 bodys, need not process in addition and assemble, in addition, the other end of relief tube 83 is provided with an indent opening 834, this indent opening 834 with a surface of the block 32 in the relief tube 83 as the bottom.

The surface of the end that relief tube 83 communicates with tube connector 80 is provided with a pressure relief vent 831, and this pressure relief vent 831 communicates with relief tube 83 inside, thereby also communicates with tube connector 80 inside, so the water in the pressure-relief valve 8 can flow out from this pressure relief vent 831.Just can from pressure relief vent 831, flow out in order to make water in the pressure-relief valve 8 reach certain pressure, a sheathed elastic ring 84 on the surface of pressure relief vent 831 is set at relief tube 83, this elastic ring 84 is close on the relief tube 83, and capping pressure relief vent 831, like this, have only when the water in the pressure-relief valve 8 reaches certain pressure, elastic ring 84 just can deform, thereby unclamp capping to pressure relief vent 831, water in the tube connector 80 also can flow out from pressure relief vent 831, thereby reduce the pressure of water, when the pressure of water in the tube connector 80 deforms pressure required less than

elastic ring

84,84 of elastic rings again capping pressure relief vent 831, prevent that the water in the tube connector 80 from flowing out from pressure relief vent 831.In the present embodiment, elastic ring 84 is specially the silica gel circle.

Elastic ring 84 when preventing to be out of shape breaks away from relief tubes 83, be provided with at relief tube 83 on the end of indent opening 834, be arranged with a release valve gap 5, the profile and the corresponding coupling of size of these release valve gap 5 profiles and size and relief tube 83, it is provided with the depressed part 51 that caves inward, in the middle of depressed part 51, be provided with a convex column 52 that has tapering, exist in the annular groove 53 that can match between convex column 52 and the depressed part 51 with relief tube 83 outer walls.During assembling, convex column 52 is nested in the indent opening 834 of corresponding relief tube 83, accordingly, also be provided with the tapering that matches with convex column 52 taperings on indent opening 834 inner surfaces, thereby both cooperates closely.Simultaneously, the medial surface of the depressed part 51 of release valve gap 5 then is close on the outer surface of relief tube 83, and be connected between release valve gap 5 and the relief tube 83 closely in order to make, be provided with first projection 511 at the depressed part 51 of release valve gap 5 around this depressed part 51, accordingly, also be provided with on the outer surface of relief tube 83 with first groove, 835, the first projections 511 of these first projection, 511 corresponding cooperations and be nested in first groove 835, make to cooperate closely between release valve gap 5 and the relief tube 83.

In the present embodiment,, on the outer surface at tube connector 80 mouth of pipe places, be provided with around this surperficial trip in order to make that installation or removal are convenient between the tube connector 80 of pressure-relief valve 8 and the exterior tubular body.Be specially: the outer surface of first tube connector 81 is provided with first trip 811 around this surface, and simultaneously, the outer surface of second tube connector 82 is provided with second trip 821 around this surface, and first trip 811 and second trip 821 are provided with the conical surface.

To be connected closely between tube connector 80 and the exterior tubular body of pressure-relief valve 8 in order making, on the outer surface of tube connector 80 pipes, to be provided with around this surperficial projection.Be specially: the outer surface of first tube connector 81 is provided with second projection 812 around this surface, simultaneously, the outer surface of second tube connector 82 is provided with the 3rd projection 822 around this surface, second projection 812 on the described tube connector 80 and the 3rd projection 822 can strengthen the frictional force between tube connector 80 and the exterior tubular body, make to be connected better between tube connector 80 and the exterior tubular body, be not easy to occur the phenomenon that breaks away from mutually.

In addition, in first tube connector 81, second tube connector 82 and relief tube 83 three junctions, circumferentially also be provided with first spacing block set 813 in first tube connector, 81 outer surface upper edges, simultaneously, be provided with second spacing block set 823 around this surface on second tube connector, 82 outer surfaces.First spacing block set 813 and second spacing block set 823 are used to limit the position of exterior tubular body on tube connector 80 that tube connector 80 is connected.In like manner, on the outer surface of relief tube 83, also be provided with along the 3rd circumferential spacing block set 833, the 3rd spacing block set 833 can limit the position of elastic ring 84 on relief tube 83 that is set in relief tube 83 outer surfaces, above-mentioned elastic ring 84 is put between the 3rd spacing block set 833 and release valve gap 5, like this, the position of elastic ring 84 on relief tube 83 determined, can arbitrarily do not slided.

Pressure-relief valve 8 of the present utility model can prevent to occur between water pump 6 and the heater 7 the excessive phenomenon of pressure, when pressure is excessive, water between water pump 6 and the heater 7 is excreted out by pressure-relief valve 8, when pressure just often, 8 sealings of pressure-relief valve, prevent that the water between water pump 6 and the heater 7 from releasing from pressure-relief valve 8, and the tube connector 80 of this pressure-relief valve 8 is connected with exterior tubular body closely, not the phenomenon that can occur leaking.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. a steam generation device comprises water pump and heater, it is characterized in that: also comprise pressure relief device, described pressure relief device is connected between described water pump and the heater.

2. a kind of steam generation device as claimed in claim 1 is characterized in that: described pressure relief device is a pressure-relief valve, and described pressure-relief valve is provided with tube connector that two ends communicate and the relief tube that communicates with described tube connector.

3. a kind of steam generation device as claimed in claim 2, it is characterized in that: described tube connector comprises first tube connector and second tube connector, described relief tube is arranged between described first, second tube connector, described water pump has first outlet pipe, described heater has second water inlet pipe, described first tube connector is connected with described first outlet pipe, and described second tube connector is connected with described second water inlet pipe.

4. a kind of steam generation device as claimed in claim 2, it is characterized in that: described relief tube one end sealing, the other end communicates with described tube connector, is equipped with pressure relief vent on the tube wall of described relief tube, and described relief tube outer surface is arranged with the elastic ring of the described pressure relief vent of capping.

5. a kind of steam generation device as claimed in claim 4, it is characterized in that: blind end one side of described relief tube is provided with the release valve gap, described relief tube outer surface is along circumferentially being provided with the 3rd spacing block set, and described elastic ring is between described release valve gap and the 3rd spacing block set.

6. a kind of steam generation device as claimed in claim 4, it is characterized in that: described release valve gap has the depressed part that caves inward, bottom in described depressed part is extended with convex column to opening direction, form annular groove between the sidewall of described convex column and described depressed part, accordingly, one end of described relief tube be provided with one with the indent opening of described convex column coupling, described convex column is nested in the described indent opening, an end of described relief tube is nested in the described annular groove.

7. a kind of steam generation device as claimed in claim 5, it is characterized in that: the outer surface of described relief tube one end is provided with first projection around this outer surface, accordingly, described depressed part surface is provided with first groove around this inner surface, and described first projection is nested in described first groove.

8. a kind of steam generation device as claimed in claim 3 is characterized in that: in described tube connector mouth of pipe place, the described first tube connector outer surface is along being circumferentially with first trip, and the described second tube connector outer surface is along being circumferentially with second trip.

9. a kind of steam generation device as claimed in claim 8 is characterized in that: along being circumferentially with second projection, be circumferentially with three projection in described second tube connector outer surface edge in the described first tube connector outer surface.

10. as claim 2 or 9 described a kind of steam generation devices, it is characterized in that: interconnect the place in described first tube connector, described second tube connector and described relief tube, the described first tube connector outer surface is along being circumferentially with first spacing block set, and the described second tube connector outer surface is along being circumferentially with second spacing block set.