CN216790141U

CN216790141U - Steam generator and household appliance with same

Info

Publication number: CN216790141U
Application number: CN202123314763.8U
Authority: CN
Inventors: 李志飞; 付远华
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-21
Anticipated expiration: 2031-12-24

Abstract

A steam generator comprises a shell, a water inlet pipe, a sleeve and a driving piece, wherein a steam generating cavity is formed in the shell; the water inlet pipe at least partially extends into the shell, and a water outlet hole is formed in the pipe wall of the water inlet pipe positioned in the shell; the sleeve is sleeved on the periphery of the water inlet pipe and extends along the length direction of the water inlet pipe, and the inner peripheral wall of the sleeve is adjacent to or attached to the pipe wall of the water inlet pipe, so that a water outlet hole opposite to the inner peripheral wall of the sleeve can be shielded; the output end of the driving piece acts on the sleeve and is used for driving the sleeve to move along the length direction of the water inlet pipe, and therefore the water outlet area of the water outlet hole is changed. The application also discloses a household appliance with the steam generator. Compared with the prior art, this application can improve steam generation efficiency.

Description

Steam generator and household appliance with same

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a steam generator and a household appliance with the same.

Background

At present, a steam generator of a household appliance (such as a steam box, a steaming and baking integrated machine, a baking and micro integrated machine, a steaming and baking micro integrated machine, a steam sweeper, a steam ironing machine and the like) with a steam function mostly utilizes a closed cavity, and water is changed into steam through bottom heating. For example, a steam generator and a kitchen appliance having the steam generator disclosed in the utility model with patent No. 202022032643.8 (publication No. CN213777666U), and a steam generator disclosed in the utility model patent with patent No. 201811476601.4 (publication No. CN 111271701B). This kind of steam generator's the principle of adding water is through the water level change in the level sensor detection heating cavity, and when the water consumption in the heating chamber reaches the certain degree, start the water pump water injection in the heating chamber this moment, the water yield stops adding water when adding a certain position, at this moment reheating the water of newly injecting into and produces steam.

There is a certain time interval from the start of the filling of water to the generation of new steam, which results in that only a small amount of steam or even no steam is generated inside the steam generator. For food in the cooking cavity of the kitchen appliance, the intermittent entering of the steam can cause the cooking effect of the food to be poor, and the use experience of customers is reduced. And when the culinary art was over, there was a large amount of higher water of temperature in steam generator's the heating intracavity, can lead to the waste of energy and culinary art efficiency variation like this, reduced the performance of complete machine to a certain extent.

Meanwhile, the long-term use of the steam generator can cause the generation of scale, the attachment of the scale causes the lower heating efficiency of the traditional steam generator, and in addition, the traditional steam generator has small volume and unreasonable structure, the generation of the scale can cause the risk of blockage, and the safety of the product per se is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a steam generator capable of improving steam discharging efficiency in view of the current state of the prior art.

A second technical problem to be solved by the present invention is to provide a steam generator that reduces the risk of scale deposition.

A third technical problem to be solved by the present invention is to provide a household appliance having the above steam generator.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a steam generator comprising:

a housing having a steam generating chamber therein;

it is characterized by also comprising:

the water inlet pipe at least partially extends into the shell, and a water outlet hole is formed in the pipe wall of the water inlet pipe positioned in the shell;

the sleeve is sleeved on the periphery of the water inlet pipe and extends along the length direction of the water inlet pipe, and the inner peripheral wall of the sleeve is adjacent to or attached to the pipe wall of the water inlet pipe, so that a water outlet hole opposite to the inner peripheral wall of the sleeve can be shielded;

and the output end of the driving piece acts on the sleeve and is used for driving the sleeve to move along the length direction of the water inlet pipe, so that the water outlet area of the water outlet hole is changed.

Preferably, the apopore has at least two sets ofly, is first apopore, the apopore of organizing of second respectively, the length direction interval arrangement of inlet tube is followed to first apopore, the apopore of organizing of second, the sleeve has at least in the removal process and exposes above-mentioned first apopore of organizing, shelters from the first position of the apopore of organizing of second and exposes the second position of above-mentioned first apopore, the apopore of organizing of second simultaneously. So, can also adjust the area of going out of apopore through telescopic removal. Of course, there may be only one group of water outlet holes, and the group of water outlet holes may extend along the length direction of the water inlet pipe, so that the sleeve may change the water outlet area of the group of water outlet holes during the moving process.

Preferably, the first group of water outlet holes are obliquely arranged towards the second group of water outlet holes, and the second group of water outlet holes are obliquely arranged towards the first group of water outlet holes.

Furthermore, the first group of water outlet holes comprises at least two first water outlet hole units which are arranged at intervals along the length direction of the water inlet pipe, and the inclination angle of each first water outlet hole unit increases progressively along a first direction from the first group of water outlet holes to the second group of water outlet holes along the length direction of the water inlet pipe; the second group of water outlet holes comprise at least two second water outlet hole units which are arranged at intervals along the length direction of the water inlet pipe, and the inclination angle of each second water outlet hole unit is gradually reduced along the first direction.

In the above scheme, preferably, the water inlet pipe is vertically arranged, an upper portion of the water inlet pipe extends into the casing from bottom to top, and a lower portion of the water inlet pipe is exposed below the casing. Certainly, the water inlet pipe can also be vertically arranged, the lower part of the water inlet pipe extends into the shell, and the upper part of the water inlet pipe is exposed above the shell; or the water inlet pipe is horizontally arranged, etc.

In order to further improve the steam generation efficiency, preferably, the water inlet pipe is arranged in a manner of being capable of rotating around a central axis thereof, and the steam generator further comprises a transmission member, wherein the transmission member is in transmission connection with the output end of the driving member and is used for converting the power of the driving member for driving the sleeve to move into the power for rotating the water inlet pipe. So, inlet tube pivoted in-process can make spun water in the apopore fully contact with shells inner wall, reaches the more abundant purpose of heating.

Preferably, the driving member is a driving motor disposed outside the casing, an output shaft of the driving motor is connected to a gear, the sleeve is provided with a rack disposed outside the casing, the rack extends along an axial direction of the sleeve and is engaged with the gear, a part of the water inlet pipe extends outside the casing and is opposite to the rack, and a spiral groove matched with the gear is disposed on a pipe wall of the water inlet pipe and serves as the driving member.

Furthermore, the water inlet pipe comprises a heating element, and the heating element acts on the side wall of the shell opposite to the pipe wall of the water inlet pipe. So, the water that comes out by the apopore of inlet tube can directly spout and heat on the lateral wall.

Further, the heating member is an electric coil which is spirally wound on the side wall of the housing to heat the side wall of the housing.

The side wall of the housing may generate scale when heating water to affect the heating effect, and further, to solve the second technical problem, preferably, the side wall of the housing extends along the moving direction of the sleeve, the steam generator further includes a descaling part disposed in the housing and connected to the sleeve, and a descaling end of the descaling part contacts with the side wall of the housing. So, the scale removal piece that links to each other with the sleeve can remove along with the sleeve, and then the scale removal end can remove and scrape the lateral wall along the lateral wall of casing, and then reduces the adnexed risk of incrustation scale.

Preferably, the side wall of the housing circumferentially surrounds an annular wall, the descaling element is a descaling ring arranged on the periphery of the sleeve, the descaling ring is matched with the annular wall in shape of cross section, and the outer ring of the descaling ring is the descaling end and contacts with the inner side surface of the annular wall.

In order to increase the descaling area of the descaling part, it is preferable that the descaling part has at least two parts and is distributed at intervals along the axial direction of the sleeve.

In each of the above aspects, the top of the housing has a steam outlet.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: a household appliance having the steam generator as described above.

Preferably, the household appliance is a kitchen appliance, which is a steam box, an oven, a microwave oven, a disinfection cabinet or an integrated combination of at least two of them.

Compared with the prior art, the utility model has the advantages that: through addding inlet tube, sleeve and driving piece, the driving piece can drive the sleeve and remove along the length direction of inlet tube to shelter from or expose the apopore on the inlet tube, so can adjust the water outlet area of apopore according to operating condition, thereby make the water yield in the casing maintain can the high-efficient level that lasts steam. And the structure is simple, and the implementation is convenient.

Drawings

FIG. 1 is a schematic view of a steam generator according to an embodiment of the present invention (with the sleeve in a first position);

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is another cross-sectional view of FIG. 1;

fig. 6 is a sectional view of the steam generator in the embodiment of the present invention (the sleeve is moved to the second position).

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 6, a steam generator and a household appliance having the same according to a preferred embodiment of the present invention includes a housing 1, a water inlet pipe 2, a sleeve 3, a driving member 4, a heating member 5, and a descaling member 6.

The housing 1 has a steam generating chamber 10 therein. In this embodiment, the housing 1 is a vertically arranged cylindrical structure with both closed upper and lower ends, the side wall of the housing 1 is an annular wall extending along the axial direction, and the side wall of the housing 1 is a metal member capable of conducting heat. The top wall of the housing 1 has a steam outlet 11. The bottom of the shell 1 is provided with a heating plate 9 for heating the bottom wall. The heating member 5 is an electric coil which is spirally wound on the side wall of the housing 1 to heat the side wall of the housing 1.

As shown in fig. 2, 3 and 4, the water inlet pipe 2 is vertically arranged, the upper part of the water inlet pipe extends into the shell 1 from bottom to top, and the lower part of the water inlet pipe extends out of the shell 1. And the pipe wall of the water inlet pipe 2 positioned in the shell 1 is provided with a water outlet hole 20 along the length direction. In this embodiment, there are two sets of the water outlet holes 20, which are a first set of water outlet holes 21 and a second set of water outlet holes 22 located below the first set of water outlet holes 21, where the first set of water outlet holes 21 includes at least two first water outlet hole units 210 distributed along the up-down direction, each of the first water outlet hole units 210 is inclined downward, and from the top to the bottom, the inclination angles of the first water outlet hole units 210 are gradually increased; the second group of water outlet holes 22 includes at least two second water outlet hole units 220 distributed along the up-down direction, each second water outlet hole unit 220 is inclined upward, and from bottom to top, the inclination angle of the second water outlet hole unit 220 increases progressively. Simultaneously, this inlet tube 2 is with can be around its center pin pivoted mode setting, specifically is: the upper end of the water inlet tube 2 is supported at the top wall of the housing 1 by a first bearing 25 and the middle part of the water inlet tube 2 is supported at the bottom wall of the housing 1 by a second bearing 26.

The sleeve 3 is vertically arranged, the upper end part of the sleeve extends into the shell 1 from bottom to top and is sleeved on the periphery of the water inlet pipe 2 in a manner of moving along the length direction of the water inlet pipe 2, and the inner peripheral wall of the sleeve 3 faces and shields the local part of the water outlet hole 20. The lower end of the sleeve 3 is exposed out of the housing 1. In order to avoid water leakage, in this embodiment, sealing members such as sealing rings may be disposed between the sleeve 3 and the housing 1 and between the sleeve and the water inlet pipe 2, and the sealing members may play a role of sealing without affecting the movement of the sleeve.

The output end of the driving member 4 acts on the sleeve 3 to drive the sleeve 3 to move along the length direction of the water inlet pipe 2, so as to change the water outlet area of the water outlet hole 20. Specifically, the driving member 4 is a driving motor disposed below the housing 1, a gear 72 is connected to an output shaft of the driving motor, a rack 71 is disposed below the housing 1 on the sleeve 3, the rack 71 extends along an axial direction of the sleeve 3 and is engaged with the gear 72, so that the driving motor can drive the sleeve 3 to move through the transmission of the gear 72 and the rack 71. The lower part of the water inlet pipe 2 extending out of the housing 1 is opposite to the rack 71, and the pipe wall of the lower part of the water inlet pipe 2 is provided with a spiral groove 23 matched with the gear 72. When the gear 72 rotates under the action of the driving motor, the water inlet pipe 2 can be driven to rotate through the spiral groove 23.

The descaling part 6 is a descaling ring and is sleeved on the periphery of the sleeve 3 and connected with the sleeve 3. The descaling ring has a shape matched with the cross section of the annular wall, and the outer ring of the descaling ring is in contact with the inner side surface of the annular wall. In this embodiment, four descaling rings are provided and are arranged and connected along the axial direction of the sleeve 3. Thus, the movement of the sleeve 3 can drive the descaling element 6 to move, so that the descaling element 6 rubs against the inner side surface of the annular wall, thereby reducing the risk of scale adhesion.

So, when steam generator just worked, because the annular wall of casing 1 heats to predetermined temperature value and needs certain time, sleeve 3 moved to first position (as shown in fig. 2) under driving piece 4's effect this moment, the first group apopore 21 of inlet tube 2 goes out water this moment, and second group apopore 22 is sheltered from by sleeve 3 and can't go out water, and the water yield is less, improves the production rate of steam, avoids inside a large amount of water directly gushing into steam generator and lead to the heat time overlength.

Along with the steam generator work, the inside temperature and the pressure of steam generator can progressively improve, and steam generation efficiency improves, and driving piece 4 can drive sleeve 3 and move down to the second position this moment (as shown in fig. 6), and at this moment, the first apopore 21 of the first group of apopore 21 of inlet tube 2, the apopore 22 homoenergetic of the second group are gone out, increase the inside inflow of steam generator, improve the production efficiency of steam.

When the steam generator is finished or the output steam quantity is reduced, the driving member 4 can drive the sleeve 3 to move upwards to shield part of the water outlet holes 20, thereby reducing the water outlet quantity.

The household appliance of the present embodiment is a kitchen appliance, which is a steam box, an oven, a microwave oven, a disinfection cabinet or an integrated combination of at least two of them. The installation position and installation manner of the steam generator in the kitchen appliance can refer to the prior art design, and are not described herein.

The steam generator of the utility model can be used for other household appliances with steam generators, such as steam ironing machines, steam mops, steam sweeping machines and the like, besides kitchen appliances.

Claims

1. A steam generator comprising:

a housing (1) having a steam generating chamber (10) therein;

it is characterized by also comprising:

the water inlet pipe (2) at least partially extends into the shell (1), and a water outlet hole (20) is formed in the pipe wall of the water inlet pipe (2) positioned in the shell (1);

the sleeve (3) is sleeved on the periphery of the water inlet pipe (2) and extends along the length direction of the water inlet pipe (2), and the inner peripheral wall of the sleeve (3) is adjacent to or attached to the pipe wall of the water inlet pipe (2), so that a water outlet hole (20) opposite to the inner peripheral wall of the sleeve (3) can be shielded;

and the output end of the driving piece (4) acts on the sleeve (3) and is used for driving the sleeve (3) to move along the length direction of the water inlet pipe (2), so that the water outlet area of the water outlet hole (20) is changed.

2. The steam generator of claim 1, wherein: the apopore has at least two sets ofly, is first apopore (21), the apopore (22) of organizing of second respectively, the length direction interval arrangement of inlet tube (2) is followed in first apopore (21), the apopore (22) of organizing of second, sleeve (3) have at least in the removal process and expose above-mentioned first apopore (21), shelter from the first position of the apopore (22) of organizing of second and expose the second position of above-mentioned first apopore (21), the apopore (22) of organizing of second simultaneously.

3. The steam generator of claim 2, wherein: first group apopore (21) are towards the slope setting of second group apopore (22), the second group apopore (22) are towards the slope setting of first group apopore (21).

4. The steam generator of claim 3, wherein: the first group of water outlet holes (21) comprises at least two first water outlet hole units (210) which are arranged at intervals along the length direction of the water inlet pipe (2), and the inclination angle of each first water outlet hole unit (210) increases progressively along a first direction from the first group of water outlet holes (21) to the second group of water outlet holes (22) along the length direction of the water inlet pipe (2); the second group of water outlet holes (22) comprises at least two second water outlet hole units (220) which are arranged at intervals along the length direction of the water inlet pipe (2), and the inclination angle of each second water outlet hole unit (220) is gradually reduced along the first direction.

5. The steam generator of claim 1, wherein: the water inlet pipe (2) is vertically arranged, the upper part of the water inlet pipe extends into the shell (1) from bottom to top, and the lower part of the water inlet pipe is exposed below the shell (1).

6. The steam generator of claim 1, wherein: the water inlet pipe (2) is arranged in a manner of rotating around a central shaft of the water inlet pipe, and the water inlet pipe further comprises a transmission piece, wherein the transmission piece is in transmission connection with the output end of the driving piece (4) and is used for converting power of the driving piece (4) for driving the sleeve (3) to move into a mode of rotating the water inlet pipe (2).

7. The steam generator of claim 6, wherein: the driving part (4) is a driving motor arranged outside the shell (1), a gear (72) is connected to an output shaft of the driving motor, a rack (71) arranged outside the shell (1) is arranged on the sleeve (3), the rack (71) extends along the axial direction of the sleeve (3) and is meshed with the gear (72), part of the water inlet pipe (2) extends out of the shell (1) and is opposite to the rack (71), and a spiral groove (23) matched with the gear (72) is arranged on the pipe wall of the water inlet pipe (2) and serves as the transmission part.

8. The steam generator of any one of claims 1 to 7, wherein: the water inlet pipe is characterized by further comprising a heating element (5), wherein the heating element (5) acts on the side wall of the shell (1) opposite to the pipe wall of the water inlet pipe (2).

9. The steam generator of claim 8, wherein: the heating element (5) is an electrified coil which is spirally wound on the side wall of the shell (1) so as to heat the side wall of the shell (1).

10. The steam generator of claim 8, wherein: the side wall of the shell (1) extends along the moving direction of the sleeve (3), the steam generator further comprises a descaling part (6) which is arranged in the shell (1) and connected with the sleeve (3), and the descaling end of the descaling part (6) is in contact with the side wall of the shell (1).

11. The steam generator of claim 10, wherein: the side wall of the shell (1) is enclosed to form an annular wall, the descaling piece (6) is a descaling ring arranged on the periphery of the sleeve (3), the shape of the descaling ring is matched with the shape of the cross section of the annular wall, and the outer ring of the descaling ring is the descaling end and is in contact with the inner side surface of the annular wall.

12. The steam generator of claim 11, wherein: the descaling parts (6) are at least two and are arranged at intervals along the axial direction of the sleeve (3).

13. The steam generator of any one of claims 1 to 7, wherein: the top of the shell (1) is provided with a steam outlet (11).

14. A domestic appliance having a steam generator as claimed in any one of claims 1 to 13.

15. The household appliance according to claim 14, wherein: the household appliance is a kitchen appliance which is a steam box, an oven, a microwave oven, a disinfection cabinet or an integrated combination of at least two of the steam box, the oven, the microwave oven and the disinfection cabinet.