CN111543918A - Spray head, spray washing device and dish washing machine - Google Patents

Spray head, spray washing device and dish washing machine Download PDF

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Publication number
CN111543918A
CN111543918A CN202010403929.4A CN202010403929A CN111543918A CN 111543918 A CN111543918 A CN 111543918A CN 202010403929 A CN202010403929 A CN 202010403929A CN 111543918 A CN111543918 A CN 111543918A
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CN
China
Prior art keywords
spray
pipe
water
water spraying
holes
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.)
Withdrawn
Application number
CN202010403929.4A
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Chinese (zh)
Inventor
孙永锋
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010403929.4A priority Critical patent/CN111543918A/en
Publication of CN111543918A publication Critical patent/CN111543918A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4278Nozzles
    • A47L15/428Rotary nozzles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/14Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22Rotary spraying devices
    • A47L15/23Rotary spraying devices moved by means of the sprays

Abstract

The invention designs a spraying device, and particularly discloses a spray head which comprises a tubular spray pipe, wherein a plurality of spray holes which spray water and drive the spray pipe to rotate around a central shaft along one direction are arranged on the side wall of the spray pipe, each spray hole comprises a spray hole a and a spray hole b, the water outlet direction of the spray hole a is deviated to one end of the spray pipe, and the water outlet direction of the spray hole b is deviated to the other end of the spray pipe; the water spraying directions of the water spraying holes a and the water spraying holes b are diversified, and the ornamental effect is better. The invention also discloses a spray-washing device and a dish-washing machine. The spray head is used for the dish washing machine, not only can simultaneously wash the front and the back of the dish, but also can directly wash more positions on the dish, and improves the washing speed.

Description

Spray head, spray washing device and dish washing machine
Technical Field
The invention relates to a spraying device, in particular to a spray head. Furthermore, a spray-washing device and a dishwasher are provided.
Background
The existing tubular spray head has the following characteristics: the lateral wall is provided with the apopore of drive shower nozzle around its axis pivoted, but the water spray direction all is parallel with the shower nozzle cross section basically, and the water spray direction is single, can not many water columns spout simultaneously to one side with the plane parallel of cross section in, so spun water column just more single, and the sight is not strong.
Some of the same nozzles of the existing spray washing device can not directly wash the front and the back of an object at the same time, the rotating directions of some nozzles are single or only the angle of a two-dimensional plane can be adjusted, the angle in a three-dimensional space can not be adjusted, so that the spraying directions and the spraying areas can not be flexibly changed, the rotating or adjusting angles of the two-dimensional plane can be realized by depending on electrical equipment, and can be realized by depending on a plurality of balls with spray holes, the complexity of the spray washing device is increased, and the manufacturing difficulty and the manufacturing cost are directly increased.
The existing dish washer basically only can directly wash the front surfaces of bowls and dishes by one spray nozzle, although the front surfaces of the bowls and the dishes are inclined towards the spray nozzle generally, the stacking distance of the bowls and the dishes is relatively short, partial front surfaces of the bowls and the dishes are not easy to directly wash, the parts of the back surfaces of the bowls and the dishes directly washed are smaller, and especially the parts of the front surfaces and the back surfaces, which are far away from the spray nozzle, are not easy to directly wash. The parts of the front surfaces of the bowls and the dishes which are not easy to be washed can be washed with the back surfaces of the bowls and the dishes only by the sputtering of water flow or the natural downward flow of the water flow, so that the washing force is greatly reduced, the washing is slow, and the bowls and the dishes are not easy to be washed clean in a short time.
Disclosure of Invention
In view of the above, the object of the present invention is:
1. the tubular spray head is driven by the water outlet holes arranged on the side wall of the tubular spray head to rotate around the axis of the tubular spray head, and the water spraying directions of the water outlet holes are diversified, so that the ornamental value is enhanced;
2. the spray washing device is provided, and corresponding parts are added under the condition of different spray directions of the spray head, so that the spray head can adjust the three-dimensional space water spray angle, change the spray direction and the spray area, and can wash more areas of an object, particularly the front and back sides;
3. the utility model provides a dish washer utilizes above-mentioned spray rinsing device for the water current can directly wash the front and the back of bowl dish, and the position that the bowl dish was directly spouted changes along with the wrench movement of shower nozzle, makes more regions of bowl dish front and back can directly be washed, makes the positive and negative sanitization more easily, thereby accelerates to wash speed.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
a spray head comprises a tubular spray pipe, wherein one end of the spray pipe is open, the other end of the spray pipe is connected with a cover plate, the side wall of the spray pipe is provided with a plurality of spray holes which spray water and drive the spray pipe to rotate around a central shaft along one direction, each spray hole comprises a spray hole a and a spray hole b, the water outlet direction of the spray hole a is deviated to one end of the spray pipe, and the water outlet direction of the spray hole b is deviated to the other end of the spray pipe; the plurality of rows of the water spraying holes a are arranged at equal intervals along the circumferential direction of the water spraying pipe, and the plurality of water spraying holes a in each row are arranged at equal intervals along the axial direction of the water spraying pipe; the plurality of rows of the water spraying holes b are arranged at equal intervals along the circumferential direction of the water spraying pipe, and the plurality of water spraying holes b in each row are arranged at equal intervals along the axial direction of the water spraying pipe; the circumferential positions of the rows of the water spray holes a and the rows of the water spray holes b on the side wall of the water spray pipe are different.
As a preferable scheme: the included angle between the water spraying direction of each water spraying hole a and the cross section of the water spraying pipe is 10-80 degrees, and the included angle between the water spraying direction of each water spraying hole b and the cross section of the water spraying pipe is 10-80 degrees.
A spray washing device comprises the spray pipes, wherein the included angles of the spray holes a in the same row and the cross sections of the spray pipes are the same, and the included angles of the spray holes b in the same row and the cross sections of the spray pipes are the same; a connecting pipe is sleeved outside the part of the spray pipe close to the opening, and a connecting sleeve for connecting the outer side walls of the spray pipe and the connecting pipe, a collision mechanism for assisting the spray pipe in twisting and a concentric mechanism for enabling the spray pipe and the connecting pipe to keep concentric axis trend are arranged between the spray pipe and the connecting pipe; the connecting sleeve is rotationally connected with the water spraying pipe and is made of soft materials.
As a preferable scheme: the connecting sleeve comprises an annular first connecting part rotationally connected with the outer side wall of the water spray pipe, a second connecting part with one end connected with the first connecting part, and an annular third connecting part with one end connected with the other end of the second connecting part; the outer diameter and the inner diameter of the second connecting part from one end to the other end are gradually increased; the third connecting part is tightly connected with the outer side wall of the connecting pipe.
As a preferable scheme: the collision mechanism comprises a first collision contact which is connected with the outer side wall of the spray pipe close to the mouth part of the spray pipe and at least one second collision contact which is connected with the inner wall of the connecting pipe; the second abutting head is abutted and connected with the first abutting head, the distance from the farthest end of the first abutting head to the central line of the water spraying pipe is a, the distance from the second abutting head to the central line of the connecting pipe is b, and a is smaller than b.
As a preferable scheme: the concentric mechanism comprises a spring part, and the spring part comprises a first spiral spring sleeved on the outer side wall of the spray pipe, a tower-shaped spring with one end connected with the first spiral spring, and a second spiral spring connected with the other end of the tower-shaped spring; the first spiral spring is rotationally connected with the spray pipe; the second spiral spring is sleeved outside the water spraying pipe, and the inner wall of the connecting pipe is tightly hooped on the second spiral spring.
As a preferable scheme: the first connecting part is connected with the outer side wall of the water spraying pipe through a waterproof bearing.
As a preferable scheme: a connecting sleeve for preventing the collision mechanism and the concentric mechanism from being polluted is also arranged between the end part of the water spray pipe and the inner side wall of the connecting pipe; one end of the connecting sleeve is rotatably connected with the end part of the water spray pipe through a waterproof bearing, and the other end of the connecting sleeve is tightly connected with the inner side wall of the connecting pipe.
A dish washing machine comprises the spray washing device, and the spray washing device is arranged on an inner cavity of the dish washing machine.
As a preferable scheme: the number of the water spraying holes a in each row is the same as that of the water spraying holes b in each row, and the ratio of the row number of the water spraying holes a to that of the water spraying holes b is 1: 3.
compared with the prior art, the invention has the main beneficial effects that:
1. the spray head is provided with two types of water spraying holes a and water spraying holes b on the side wall of the tubular spray pipe, the water spraying pipes a and b can drive the water spraying pipes to rotate around the axis in the same direction, the water outlet directions of the water spraying holes a are deviated to one end of the water spraying pipe, the included angle between each water spraying hole a and the cross section of the water spraying pipe can be set to be different, the water outlet directions of the water spraying holes b are deviated to the other end of the water spraying pipe, and the included angle between each water spraying hole a and the cross section of the water spraying pipe can be set to be different, so that the direction of a sprayed water column is diversified, and the spray head.
2. The spray washing device utilizes the spray head with the water spray holes a and b and utilizes the diversification of the direction of the sprayed water flow (namely water column) to wash objects from multiple angles and multiple directions; the corresponding parts which enable the spray head to be twisted are arranged on the spray washing device, so that the angle of the sprayed water flow can be adjusted from a two-dimensional direction and also can be adjusted from a three-dimensional direction, the spraying directions and angles of the spray head are further diversified, articles are washed from more positions, and the articles are easier to wash; because the water spray holes a spray water to one end of the water spray pipe and the water spray holes b spray water to the other end of the water spray pipe, the spray washing device is more suitable for spraying two opposite surfaces of an object, such as a front surface and a back surface. In addition, the spray washing device utilizes the rotation of the spray pipe to provide power for twisting the spray pipe, and has ingenious design and creativity.
3. The dishwasher utilizes the spray washing device to wash dishes, the dishes do not need to be placed obliquely, the front and back surfaces of the dishes can be directly washed, the direction of water spray is adjusted under the twisting of the spray head, so that the angle between the sprayed water and the dishes and the position where the dishes are directly sprayed are changed, and parts of the front and back surfaces of the dishes far away from the spray head can be directly sprayed by water flow, so that more areas of the front and back surfaces of the dishes can be directly washed, the front and back surfaces are easier to clean, and the washing speed is accelerated.
Drawings
FIG. 1 is a schematic view of a recumbent three-dimensional structure according to example 1 of the present invention;
FIG. 2 is a schematic view of a vertically arranged three-dimensional structure of embodiment 1 of the present invention;
FIG. 3 is a schematic perspective view of example 2 of the present invention;
FIG. 4 is a sectional view of embodiment 2 of the present invention;
FIG. 5 is a schematic view showing the outside of a connecting pipe in embodiment 2 of the present invention;
FIG. 6 is a schematic view of the inside of a connecting pipe according to embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a connecting sleeve in embodiment 2 of the invention;
FIG. 8 is a schematic view showing the structure of a spring part in embodiment 2 of the present invention;
fig. 9 is a schematic diagram of the twisting of the spray head according to embodiment 2 of the present invention.
Reference numerals: 1. a water spray pipe; 11. a water spray hole; 11a, a water spraying hole a; 11b, a water spray hole b; 12. a first abutting head; 13. a cover plate; 2. a connecting pipe; 21. a second abutting head; 3. connecting sleeves; 31. a first connection portion; 32. a second connecting portion; 33. a third connecting portion; 4. a spring portion; 41. a first coil spring; 42. a tower spring; 43. a second coil spring; 5. a waterproof bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to figures 1-2: a spray head comprises a tubular spray pipe 1, wherein one end of the spray pipe 1 is provided with an opening (a water inlet), the other end of the spray pipe 1 is connected with a cover plate 13, the side wall of the spray pipe 1 is provided with a plurality of spray holes 11 which spray water and drive the spray pipe 1 to rotate around a central shaft along one direction, each spray hole 11 comprises a spray hole 11a and a spray hole 11b, the water outlet direction of each spray hole 11a is deviated to one end of the spray pipe 1, and the water outlet direction of each spray hole 11b is deviated to the other end of the spray pipe 1; the plurality of rows of the water spraying holes 11a are arranged at equal intervals along the circumferential direction of the water spraying pipe 1, and a plurality of water spraying holes 11a in each row are arranged at equal intervals along the axial direction of the water spraying pipe 1; the plurality of rows of the water spraying holes 11b are arranged at equal intervals along the circumferential direction of the water spraying pipe 1, and the plurality of water spraying holes 11b in each row are arranged at equal intervals along the axial direction of the water spraying pipe 1; the circumferential positions of the rows of the spout holes 11a and the rows of the spout holes 11b on the side wall of the spout pipe 1 are different. See FIG. 2: the water spraying holes 11a spray water along the direction A, and the water spraying pipe 1 is driven to rotate around the axis in the clockwise direction (seen from top to bottom) under the reaction force; the hole 11B sprays water in the direction B, and under the reaction force, the spout pipe 1 is driven to rotate clockwise around the axis (from top to bottom), so that the spout hole 11a and the spout hole 11B both drive the spout pipe 1 to rotate around the axis in the same direction. The included angle between the water spraying direction of each water spraying hole 11a and the cross section of the water spraying pipe 1 is 10-80 degrees, and the included angle between the water spraying direction of each water spraying hole 11b and the cross section of the water spraying pipe 1 is 10-80 degrees. The water spraying direction of each water spraying hole 11a and the water spraying direction of each water spraying hole 11b can be different, so that the spraying directions are very many, and sprayed water columns are diversified, so that the ornamental value is high.
The rows of orifices 11a and the rows of orifices 11b may be spaced apart, that is: one row of the water spray holes 11b is formed on both sides of the row of the water spray holes 11a, and one row of the water spray holes 11a is formed on both sides of the row of the water spray holes 11 b. Alternatively, as shown in FIGS. 1 and 2, the spout holes 11a and 11b are separated and each occupy a portion of the side wall of the spout pipe 1.
Example 2
Referring to fig. 3 to 5, a spray washing apparatus includes the spray pipes 1 of embodiment 1, the same row of the spray holes 11a has the same angle with the cross section of the spray pipes 1, and the same row of the spray holes 11b has the same angle with the cross section of the spray pipes 1, so that the sprayed water columns in the same row can be prevented from crossing and the impact force can be prevented from being counteracted. A connecting pipe 2 is sleeved outside the part, close to the opening, of the spray pipe 1, a connecting sleeve 3 for connecting the outer side walls of the spray pipe 1 and the connecting pipe 2, a collision mechanism for assisting the spray pipe 1 to twist and a concentric mechanism for enabling the spray pipe 1 and the connecting pipe to keep concentric axis trend are arranged between the spray pipe 1 and the connecting pipe 2; the connecting sleeve 3 is rotationally connected with the water spraying pipe 1, and the connecting sleeve 3 is made of soft materials, so that the water spraying pipe 1 can be twisted.
Referring to fig. 7: the connecting sleeve 3 comprises an annular first connecting part 31 rotationally connected with the outer side wall of the spray pipe 1, a second connecting part 32 with one end connected with the first connecting part 31, and an annular third connecting part 33 with one end connected with the other end of the second connecting part 32; the second connecting portion 32 has an outer diameter and an inner diameter which are gradually increased from one end to the other end; the third connecting portion 33 is tightly connected with the outer side wall of the connecting pipe 2. Spray pipe 1 and connecting pipe 2 pass through adapter sleeve 3 and connect, make spray pipe 1 can be smoothly round the open end wrench movement on the one hand, on the other hand for spray pipe 1 connects on connecting pipe 2, can not separate. And the connecting sleeve 3 ensures that water sprayed from the water spraying pipe 1 can not enter the connecting pipe 2, so that the abutting mechanism and the concentric mechanism can not be polluted.
The collision mechanism comprises a first collision contact 12 (shown in figure 1) connected with the outer side wall of the spray pipe 1 near the mouth of the spray pipe 1, and at least one second collision contact 21 (shown in figure 6) connected with the inner wall of the connecting pipe 2; the second is supported contact 21 and is supported contact 12 and contradict and be connected with first, first the distance that supports contact 12 farthest end to spray pipe 1 central line is an, the second is supported contact 21 and is b to the distance of connecting pipe 2 central line, an is less than b, as shown in fig. 9, spray pipe 1 rotates like this and makes first support contact 12 and the second of its below support contact 21 when contradicting, and the direction perk that keeps away from the second contact will be to the open end of spray pipe 1 like this, and the end of apron 13 is connected to spray pipe 1, will move down correspondingly, and spray pipe 1 central line and connecting pipe 2 central line skew like this, and the direction of each hole for water spraying 11 spun water on spray pipe 1 will change. The number and position of the second contact 21 can be set according to different requirements, and the change of the spraying direction of the water flow is the same as the principle.
Referring to fig. 8: the concentric mechanism comprises a spring part 4, wherein the spring part 4 comprises a first spiral spring 41 sleeved on the outer side wall of the spray pipe 1, a tower-shaped spring 42 with one end connected with the first spiral spring 41, and a second spiral spring 43 connected with the other end of the tower-shaped spring 42; the first spiral spring 41 is rotationally connected with the spray pipe 1; the second spiral spring 43 is sleeved outside the water spray pipe 1, and the inner wall of the connecting pipe 2 is tightly hooped on the second spiral spring 43, so that the connecting pipe 2 and the second spiral spring 43 are not required to be connected by glue or other fixed connection modes, and the connection and the disassembly of the connecting pipe 2 and the second spiral spring 43 are facilitated. Thus, under the action of the spring part 4, when the first abutting contact 12 is separated from the second abutting contact 21, the center line of the spray pipe 1 and the center line of the connecting pipe 2 are collinear, so that the water jet direction can be continuously changed under the cooperation of the spring part 4 and the first abutting contact 21 and the second abutting contact 21.
The first connecting portion 31 is connected to the outer side wall of the spray pipe 1 through a waterproof bearing 5 (see fig. 4), so that the connecting sleeve 3 has little resistance to the circumferential direction of the spray pipe 1, and the spray pipe 1 is easy to rotate.
A connecting sleeve 3 for preventing the collision mechanism and the concentric mechanism from being polluted is also arranged between the end part of the spray pipe 1 and the inner side wall of the connecting pipe 2; the water in the water spray pipe 1 and the connecting pipe 2 can not enter between the two connecting sleeves 3, so that the water pollution collision mechanism and the concentric mechanism can be avoided, and the service lives of the water spray pipe 1 and the connecting pipe 2 are prolonged. One end of the connecting sleeve 3 is rotatably connected with the end part of the spray pipe 1 through a waterproof bearing 5, and the other end is tightly connected with the inner side wall of the connecting pipe 2 (see figure 4).
The spray washing device utilizes a spray head with a spray hole a and a spray hole b, and utilizes the diversification of the direction of sprayed water flow (namely water column) to wash objects from multiple angles and multiple directions; the rotating of the spray head, the interference mechanism and the concentric mechanism act together to enable the spray head to be capable of twisting, so that the angle of the sprayed water flow can be adjusted from a two-dimensional direction and also can be adjusted from a three-dimensional direction, the spraying directions and angles of the spray head are further diversified, articles are washed from more positions, and the articles are washed clean more easily; because the water spray holes a spray water to one end of the water spray pipe and the water spray holes b spray water to the other end of the water spray pipe, the spray washing device is more suitable for spraying two opposite surfaces of an object, such as a front surface and a back surface. In addition, the spray washing device utilizes the rotation of the spray pipe to provide power for twisting the spray pipe, and has ingenious design and creativity.
Example 3
A dish washer comprises the spraying device in embodiment 2, wherein the spraying device is arranged on an inner cavity of the dish washer, and a connecting pipe is connected with a water source for washing dishes. The arrangement direction of the bowls and the dishes is parallel to the axial row of the water spraying pipes, and the bowls and the dishes are not easy to incline. The second contact head can be provided with a plurality of second contact heads, but a second contact head and the bowl and the dish are arranged on the same side of the spray pipe. The included angle between the water spraying direction of each water spraying hole a and the cross section of the water spraying pipe is 30 degrees, and the included angle between the water spraying direction of each water spraying hole b and the cross section of the water spraying pipe is 30 degrees. The front surface (the surface for containing food) of the dish is generally dirtier, and the back surface is generally not dirtier than the front surface, so the front surface of the dish is a key object for cleaning, therefore, the number of rows of the water spraying holes a and the water spraying holes b of the dish washing machine is different from the number of rows of the embodiment 1 and the embodiment 2, the number of the water spraying holes a in each row of the dish washing machine is the same as the number of the water spraying holes b in each row, and the ratio of the number of the rows of the water spraying holes a to the number of the rows of the water spraying holes b is 1: 3, the back of the dish is sprayed by the water spraying holes a, the front of the dish is sprayed by the water spraying holes a, and the front of the dish is mainly sprayed, so that the front and the back of the dish can be cleaned simultaneously in the same time as much as possible, and the time for spraying is shortened.
The dish washing machine can be used for washing dishes, the front and the back of a dish can be washed simultaneously, and the water spray pipe can be twisted, so that the included angle between the central line of the water spray pipe and the central line of the connecting pipe can be increased or decreased, if the upper part and the lower part of the open end of the water spray pipe are respectively provided with the second abutting contacts, after the first abutting contacts are contacted with the second abutting contacts above, the closed end of the water spray pipe is higher than the open end, after the first abutting contacts are contacted with the second abutting contacts below, the closed end of the water spray pipe is lower than the open end, the inclination degree of the water spray pipe is dynamically changed, so that the direction of water sprayed from the water spray holes can be adjusted, the angle of the sprayed water and the dish and the position of the dish directly sprayed by the dish can be changed accordingly, parts far away from the spray nozzles on the front and the back of the dish can also be directly sprayed by water flow, so that the front and, the front and the back surfaces are easier to clean, so that the washing speed is increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.

Claims (10)

1. The utility model provides a spray nozzle, is including being pipy spray pipe, spray pipe one end opening, the other end is connected with the apron, and the spray pipe lateral wall is equipped with a plurality of water sprayings, and drives the spray pipe around the center pin along a direction pivoted hole for water spraying, its characterized in that: the water spray holes comprise water spray holes a and water spray holes b, the water outlet direction of the water spray holes a is deviated to one end of the water spray pipe, and the water outlet direction of the water spray holes b is deviated to the other end of the water spray pipe; the plurality of rows of the water spraying holes a are arranged at equal intervals along the circumferential direction of the water spraying pipe, and the plurality of water spraying holes a in each row are arranged at equal intervals along the axial direction of the water spraying pipe; the plurality of rows of the water spraying holes b are arranged at equal intervals along the circumferential direction of the water spraying pipe, and the plurality of water spraying holes b in each row are arranged at equal intervals along the axial direction of the water spraying pipe; the circumferential positions of the rows of the water spray holes a and the rows of the water spray holes b on the side wall of the water spray pipe are different.
2. A spray head according to claim 1, wherein: the included angle between the water spraying direction of each water spraying hole a and the cross section of the water spraying pipe is 10-80 degrees, and the included angle between the water spraying direction of each water spraying hole b and the cross section of the water spraying pipe is 10-80 degrees.
3. A spray rinsing device, characterized in that: the sprinkler pipe of any of claims 1-2, wherein the sprinkler holes a in the same row have the same included angle with the cross section of the sprinkler pipe, and the sprinkler holes b in the same row have the same included angle with the cross section of the sprinkler pipe; a connecting pipe is sleeved outside the part of the spray pipe close to the opening, and a connecting sleeve for connecting the outer side walls of the spray pipe and the connecting pipe, a collision mechanism for assisting the spray pipe in twisting and a concentric mechanism for enabling the spray pipe and the connecting pipe to keep concentric axis trend are arranged between the spray pipe and the connecting pipe; the connecting sleeve is rotationally connected with the water spraying pipe and is made of soft materials.
4. A spray rinsing device according to claim 3 wherein: the connecting sleeve comprises an annular first connecting part rotationally connected with the outer side wall of the water spray pipe, a second connecting part with one end connected with the first connecting part, and an annular third connecting part with one end connected with the other end of the second connecting part; the outer diameter and the inner diameter of the second connecting part from one end to the other end are gradually increased; the third connecting part is tightly connected with the outer side wall of the connecting pipe.
5. A spray rinsing device according to claim 3 wherein: the collision mechanism comprises a first collision contact which is connected with the outer side wall of the spray pipe close to the mouth part of the spray pipe and at least one second collision contact which is connected with the inner wall of the connecting pipe; the second abutting head is abutted and connected with the first abutting head, the distance from the farthest end of the first abutting head to the central line of the water spraying pipe is a, the distance from the second abutting head to the central line of the connecting pipe is b, and a is smaller than b.
6. A spray rinsing device according to claim 3 wherein: the concentric mechanism comprises a spring part, and the spring part comprises a first spiral spring sleeved on the outer side wall of the spray pipe, a tower-shaped spring with one end connected with the first spiral spring, and a second spiral spring connected with the other end of the tower-shaped spring; the first spiral spring is rotationally connected with the spray pipe; the second spiral spring is sleeved outside the water spraying pipe, and the inner wall of the connecting pipe is tightly hooped on the second spiral spring.
7. A spray rinsing device according to claim 3 wherein: the first connecting part is connected with the outer side wall of the water spraying pipe through a waterproof bearing.
8. A spray rinsing device according to claim 3 wherein: and a connecting sleeve for preventing the collision mechanism and the concentric mechanism from being polluted is also arranged between the end part of the water spray pipe and the inner side wall of the connecting pipe.
9. A dishwasher, characterized by: comprising a spray device according to any of claims 2-8, which is arranged in the interior of a dishwasher.
10. A spray head according to claim 9, wherein: the number of the water spraying holes a in each row is the same as that of the water spraying holes b in each row, and the ratio of the row number of the water spraying holes a to that of the water spraying holes b is 1: 3.
CN202010403929.4A 2020-05-13 2020-05-13 Spray head, spray washing device and dish washing machine Withdrawn CN111543918A (en)

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Application Number Priority Date Filing Date Title
CN202010403929.4A CN111543918A (en) 2020-05-13 2020-05-13 Spray head, spray washing device and dish washing machine

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Application Number Priority Date Filing Date Title
CN202010403929.4A CN111543918A (en) 2020-05-13 2020-05-13 Spray head, spray washing device and dish washing machine

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CN111543918A true CN111543918A (en) 2020-08-18

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CN202010403929.4A Withdrawn CN111543918A (en) 2020-05-13 2020-05-13 Spray head, spray washing device and dish washing machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112411181A (en) * 2020-12-03 2021-02-26 广州市丝蜜生物科技有限公司 Preparation method of medlar fiber
CN114769203A (en) * 2022-06-20 2022-07-22 沈阳和研科技有限公司 Workpiece developing device for scribing machine and scribing machine

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