CN110916589A - Spray arm structure and dish washer - Google Patents
Spray arm structure and dish washer Download PDFInfo
- Publication number
- CN110916589A CN110916589A CN201911133958.7A CN201911133958A CN110916589A CN 110916589 A CN110916589 A CN 110916589A CN 201911133958 A CN201911133958 A CN 201911133958A CN 110916589 A CN110916589 A CN 110916589A
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- CN
- China
- Prior art keywords
- spray arm
- gear teeth
- water outlet
- driving gear
- spraying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 7
- 238000004851 dishwashing Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
The invention provides a spray arm structure and a dish washing machine, comprising: the water inlet and the axis of the water outlet are arranged in a non-parallel mode; the spraying arms with the same number as the water outlets are respectively and rotatably connected to each water outlet, and inclined spraying holes are formed in the spraying arms; the spraying arm is characterized in that driving gear teeth are arranged on the fixing seat, a supporting part is arranged on the part, corresponding to the driving gear teeth, of the fixing seat, and the driving gear teeth are used for walking along the supporting part when the spraying arm rotates relative to the fixing seat. When the driving gear teeth travel relative to the supporting part, the inclined jet holes on the spray arm revolve relative to the fixed seat, and the positions of the inclined jet holes relative to the fixed seat change. In the present invention, the spray arm can rotate or revolve, and at this time, more areas can be covered by the water sprayed from the inclined spray holes.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to a spray arm structure and a dish washing machine comprising the same.
Background
Dishwashers are indispensable devices in kitchens. With the improvement of living standard, more and more families select a dishwasher to replace the traditional manual dish washing work.
The spray arm is the essential main structure in the dish washer, and the spray arm sprays the washing liquid to the tableware that dish washer inside was placed to reach the mesh of clean tableware.
The spray arm structure of the dishwasher in the prior art generally comprises a first spray arm and a second spray arm, wherein spray holes are formed in the spray arms, water flows out of the spray holes, and the two spray arms are simultaneously connected to a central rotating shaft and can rotate relative to the central rotating shaft under the driving of the water. However, the first and second spray arms have a cleaning region that can be covered only at a position rearward of the rotation paths of the first and second spray arms, and it is difficult to cover the other regions. When the quantity of tableware in the dish washer is large, the spraying arm structure in the prior art can only clean the tableware in the covered area, and the cleaning effect of the tableware in other areas is poor.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the dishwasher in the prior art has small cleaning area covered by the spray arm structure, so that the tableware can not be cleaned sufficiently.
To this end, the present invention provides a spray arm structure comprising: the water inlet and the axis of the water outlet are arranged in a non-parallel mode; the spraying arms with the same number as the water outlets are respectively and rotatably connected to each water outlet, and inclined spraying holes are formed in the spraying arms; the spraying arm is characterized in that driving gear teeth are arranged on the fixing seat, a supporting part is arranged on the part, corresponding to the driving gear teeth, of the fixing seat, and the driving gear teeth are used for walking along the supporting part when the spraying arm rotates relative to the fixing seat.
According to the spray arm structure provided by the invention, the supporting part is provided with the fixed gear teeth, and the fixed gear teeth are suitable for being meshed with the driving gear teeth.
According to the spray arm structure provided by the invention, the rotating bearing is arranged between the spray arm and the water outlet.
According to the spray arm structure provided by the invention, the water outlet is formed in the inner wall of the spray arm.
According to the spray arm structure provided by the invention, the inner wall of the spray arm is provided with the first blocking part, one end, far away from the driving gear teeth, of the water outlet is provided with the second blocking part, and the outer diameter of the second blocking part is larger than the inner diameter of the first blocking part.
In the spray arm structure provided by the invention, the first blocking part is a blocking block, and the second blocking part is a bulge arranged on the water outlet.
According to the spray arm structure provided by the invention, the water outlet is provided with the third blocking part, and the outer diameter of the third blocking part is larger than the inner diameter of the spray arm.
In the spray arm structure provided by the invention, the driving gear teeth are annularly arranged on the fixed seat, and the fixed gear teeth are annularly arranged on the spray arm.
The invention also provides a dishwasher, comprising: the inner container is provided with a spray arm mounting seat; according to the spray arm structure provided by the invention, the fixed seat of the spray arm structure is arranged on the spray arm mounting seat.
According to the dishwasher provided by the invention, a sealing ring is arranged between the spray arm mounting seat and the fixed seat.
The technical scheme of the invention has the following advantages:
1. the invention provides a spray arm structure, comprising: the water inlet and the axis of the water outlet are arranged in a non-parallel mode; the spraying arms with the same number as the water outlets are respectively and rotatably connected to each water outlet, and inclined spraying holes are formed in the spraying arms; the spraying arm is characterized in that driving gear teeth are arranged on the fixing seat, a supporting part is arranged on the part, corresponding to the driving gear teeth, of the fixing seat, and the driving gear teeth are used for walking along the supporting part when the spraying arm rotates relative to the fixing seat.
When the driving gear teeth travel relative to the supporting part, the inclined jet holes on the spray arm revolve relative to the fixed seat, and the positions of the inclined jet holes relative to the fixed seat change. In the present invention, the spray arm can rotate or revolve, and at this time, more areas can be covered by the water sprayed from the inclined spray holes.
2. According to the spray arm structure provided by the invention, the fixed gear teeth are arranged on the supporting part and are suitable for being meshed with the driving gear teeth, and the driving gear teeth can smoothly revolve relative to the fixed seat through mutual meshing between the fixed gear teeth and the driving gear teeth, so that the stability of the spray arm in the revolution process is ensured.
3. According to the spray arm structure provided by the invention, the rotating bearing is arranged between the spray arm and the water outlet. Through setting up rolling bearing, can improve the pivoted ride comfort of spray arm.
4. According to the spray arm structure provided by the invention, the water outlet is arranged on the inner wall of the spray arm, and the arrangement mode enables water flowing out of the water outlet to directly enter the spray arm, so that outflow is avoided.
5. According to the spray arm structure provided by the invention, the inner wall of the spray arm is provided with the first blocking part, one end, far away from the driving gear teeth, of the water outlet is provided with the second blocking part, and the outer diameter of the second blocking part is larger than the inner diameter of the first blocking part.
Through the combination of the first blocking part and the second blocking part, the spray arm can be prevented from being separated from the water outlet under the action of water pressure.
6. According to the spray arm structure provided by the invention, the water outlet is provided with the third blocking part, and the outer diameter of the third blocking part is larger than the inner diameter of the spray arm. Through setting up the third stop part, when needs are installed the spray arm, can avoid the spray arm excessive movement, cause the excessive condition of assembly to take place.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the dishwasher provided by the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is an exploded view of the assembly between the holder and the spray arm according to the present invention;
FIG. 4 is a schematic view of the assembly between the fixing base and the spray arm provided by the present invention;
FIG. 5 is another schematic structural diagram of the dishwasher provided by the present invention.
Description of reference numerals:
1-a fixed seat; 2-a water inlet; 3-water outlet; 4-a spray arm; 5-oblique spraying holes; 6-driving gear teeth; 7-fixing gear teeth; 8-a first barrier; 9-a second barrier; 10-a third barrier; 11-an inner container; 12-spray arm mounting.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a spray arm structure, as shown in fig. 2, 3 and 4, including: the water inlet device comprises a fixed seat 1, a water inlet 2 and at least one water outlet 3 are arranged on the fixed seat, and the axes of the water inlet 2 and the water outlet 3 are arranged in a non-parallel mode; the spraying arms 4 with the same number as the water outlets 3 are respectively and rotatably connected to each water outlet 3, and inclined spraying holes 5 are formed in the spraying arms 4; the spraying device is characterized in that a driving gear 6 is arranged on the fixing seat 1, a supporting part is arranged on the fixing seat 1 corresponding to the driving gear, and the driving gear is used for walking along the supporting part when the spraying arm 4 rotates relative to the fixing seat 1.
When the driving gear teeth move relative to the supporting portion, the inclined nozzle holes 5 of the nozzle arm 4 revolve relative to the fixed seat 1, and the positions of the inclined nozzle holes 5 relative to the fixed seat 1 change. In the present invention, the spray arm 4 may rotate or revolve, and at this time, the water sprayed through the inclined spray holes 5 may cover more areas.
Specifically, in this embodiment, the number of the water outlets 3 is two, and the two water outlets 3 and the water inlets 2 are vertically arranged, and correspondingly, the number of the spray arms 4 is also two. As a variant, the axis of the spray arm 4 and the axis of the water inlet 2 may be arranged non-perpendicularly, and the included angle between the two may be larger than 90 °, at which time the spray arm 4 will be tilted upwards. In the present embodiment, the number of the spray arms 4 is two, and as a modification, the number of the spray arms 4 may be an odd number, or may be an even number.
In this embodiment, the support portion may be a plane, or a rib may be disposed on the plane, as long as the friction force can be provided to the driving gear teeth.
In a preferred embodiment, a fixed gear tooth 7 is provided on the support portion, said fixed gear tooth 7 being adapted to mesh with said driving gear tooth 6.
Specifically, the driving gear 6 is annularly arranged on the fixed seat 1, and the fixed gear 7 is annularly arranged on the spray arm 4.
As a modification, in the present embodiment, the gear pair may be a straight bevel gear pair, or may be an arc bevel gear pair, as long as relative movement therebetween can be achieved.
In the spray arm structure provided by this embodiment, a rotating bearing is arranged between the spray arm 4 and the water outlet 3. The smooth rotation of the spray arm 4 relative to the water outlet 3 can be realized through the rotating bearing.
According to the spray arm structure provided by the embodiment, the water outlet 3 is arranged on the inner wall of the spray arm 4, and the water flowing out of the water outlet 3 directly enters the spray arm 4 in the arrangement mode, so that outflow is avoided.
Specifically, the outer race of the rotary bearing is disposed on the inner wall of the spray arm 4, while the inner race is disposed on the outer wall of the water outlet 3.
As a variant, it is also possible to insert the spray arm 4 on the inner wall of the outlet 3, which structure is liable to cause the water flowing out through the outlet 3 to seep out from the gap between the outlet 3 and the spray arm 4.
The spray arm structure provided by this embodiment, as shown in fig. 4, a first blocking portion 8 is provided on the inner wall of the spray arm 4, a second blocking portion 9 is provided at one end of the water outlet 3, which is far away from the driving gear teeth 6, and the outer diameter of the second blocking portion 9 is greater than the inner diameter of the first blocking portion 8. Through the combination of the first blocking part 8 and the second blocking part 9, the spray arm 4 can be prevented from being separated from the water outlet 3 under the action of water pressure.
Specifically, in this embodiment, the first blocking portion 8 is a blocking block, and the second blocking portion 9 is a protrusion disposed on the water outlet 3.
In the spray arm structure provided by this embodiment, the water outlet 3 is provided with the third blocking portion 10, and the outer diameter of the third blocking portion 10 is greater than the inner diameter of the spray arm 4. By providing the third blocking portion 10, when the spray arm 4 needs to be installed, the situation that the spray arm 4 moves excessively to cause excessive assembly can be avoided.
In particular, the third blocking portion 10 is a projection provided on the spray arm 4, which can be obtained directly by stamping on the spray arm 4. Or be processed on the outer wall of the spray arm 4 separately, and the third blocking part 10 can be a metal part or a plastic part.
Example 2
The present embodiment provides a dishwasher, as shown in fig. 1 and 5, including: the inner container 11 is provided with a spray arm mounting seat 12; in the spray arm structure provided in embodiment 1, the fixing base 1 of the spray arm structure is disposed on the spray arm mounting base 12.
Specifically, the spray arm mounting base 12 is a hollow cylindrical structure, and the water inlet 2 of the spray arm structure is assembled in the hollow part of the spray arm mounting base 12, specifically, the water inlet 2 can be assembled in the spray arm mounting base 12 in a tensioning manner, so that it is ensured that the water inlet does not rotate relative to the spray arm mounting base 12. In addition, the fixing may be performed by other conventional manners, which are not limited in this embodiment.
In the dishwasher provided by the embodiment, a sealing ring is arranged between the spray arm mounting seat 12 and the fixed seat 1.
Specifically, the sealing ring is disposed between the inner wall of the spray arm mounting seat 12 and the outer wall of the fixing seat 1, and may be disposed in plurality in the height direction.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A spray arm structure, comprising:
the water inlet device comprises a fixed seat (1), a water inlet (2) and at least one water outlet (3) are arranged on the fixed seat, and the axes of the water inlet (2) and the water outlet (3) are arranged in a non-parallel mode;
the spraying arms (4) with the same number as the water outlets (3) are respectively and rotatably connected to each water outlet (3), and inclined spraying holes (5) are formed in the spraying arms (4);
the spraying arm is characterized in that driving gear teeth (6) are arranged on the spraying arm (4), supporting parts are arranged on the fixing base (1) and correspond to the driving gear teeth (6), and the driving gear teeth (6) are used for walking along the supporting parts when the spraying arm (4) rotates relative to the fixing base (1).
2. Spray arm construction according to claim 1, wherein the support part is provided with fixing gear teeth (7), which fixing gear teeth (7) are adapted to mesh with the driving gear teeth (6).
3. Spray arm construction according to claim 2, characterized in that a rotational bearing is arranged between the spray arm (4) and the water outlet (3).
4. Spray arm construction according to claim 3, characterized in that the water outlet (3) is arranged on the inner wall of the spray arm (4).
5. The spray arm structure according to any one of claims 1 to 4, characterized in that a first blocking portion (8) is arranged on the inner wall of the spray arm (4), a second blocking portion (9) is arranged on one end of the water outlet (3) far away from the driving gear teeth (6), and the outer diameter of the second blocking portion (9) is larger than the inner diameter of the first blocking portion (8).
6. Spray arm construction according to claim 5, characterized in that the first stop (8) is a stop and the second stop (9) is a projection provided on the water outlet (3).
7. Spray arm construction according to claim 6, characterized in that a third stop (10) is arranged on the water outlet (3), the outer diameter of the third stop (10) being larger than the inner diameter of the spray arm (4).
8. Spray arm structure according to any of claims 1-4, characterized in that the driving gear teeth (6) are arranged annularly on the holder (1) and the holding gear teeth (7) are arranged annularly on the spray arm (4).
9. A dishwasher, comprising:
the inner container (11) is provided with a spray arm mounting seat (12);
a spray arm construction according to any one of claims 1-8, wherein the holder (1) of the spray arm construction is arranged on the spray arm mounting (12).
10. The dishwasher of claim 9, characterized in that a sealing ring is arranged between the spray arm mounting (12) and the holder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133958.7A CN110916589A (en) | 2019-11-19 | 2019-11-19 | Spray arm structure and dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133958.7A CN110916589A (en) | 2019-11-19 | 2019-11-19 | Spray arm structure and dish washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110916589A true CN110916589A (en) | 2020-03-27 |
Family
ID=69853565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911133958.7A Pending CN110916589A (en) | 2019-11-19 | 2019-11-19 | Spray arm structure and dish washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110916589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057553A (en) * | 2021-03-18 | 2021-07-02 | 珠海格力电器股份有限公司 | Cleaning device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104757921A (en) * | 2015-04-22 | 2015-07-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Gushing arm component used for dish washing machine and dish washing machine provided with the same |
| CN104783747A (en) * | 2015-05-18 | 2015-07-22 | 芜湖美的洗涤电器制造有限公司 | Gushing arm for bowl cleaner and bowl cleaner with same |
| CN104783749A (en) * | 2015-04-22 | 2015-07-22 | 美的集团股份有限公司 | Spraying arm assembly used for dish washing machine and dish washing machine provided with spraying arm assembly |
| CN211381191U (en) * | 2019-11-19 | 2020-09-01 | 珠海格力电器股份有限公司 | Spray arm structure and dish washer |
-
2019
- 2019-11-19 CN CN201911133958.7A patent/CN110916589A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104757921A (en) * | 2015-04-22 | 2015-07-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Gushing arm component used for dish washing machine and dish washing machine provided with the same |
| CN104783749A (en) * | 2015-04-22 | 2015-07-22 | 美的集团股份有限公司 | Spraying arm assembly used for dish washing machine and dish washing machine provided with spraying arm assembly |
| CN104783747A (en) * | 2015-05-18 | 2015-07-22 | 芜湖美的洗涤电器制造有限公司 | Gushing arm for bowl cleaner and bowl cleaner with same |
| CN211381191U (en) * | 2019-11-19 | 2020-09-01 | 珠海格力电器股份有限公司 | Spray arm structure and dish washer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057553A (en) * | 2021-03-18 | 2021-07-02 | 珠海格力电器股份有限公司 | Cleaning device |
| CN113057553B (en) * | 2021-03-18 | 2022-04-08 | 珠海格力电器股份有限公司 | Cleaning device |
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