Spray head for vehicle wiper

Abstract

The utility model discloses a spray head for a vehicle wiper, which aims to solve the problem that the spray head is mounted on the wiper to be used, and realizes the technology that the spray head swings along with a wiper blade, and complex stains on a windshield are not thoroughly cleaned in a short-distance spraying manner. The spray head comprises a main body and a nozzle, a plurality of area channels allowing fluid to pass through are arranged in the main body, the diameters of the area channels are gradually reduced in the flowing direction of the fluid, the area channels are communicated to form a jet flow channel, and the jet flow channel is provided with an input end allowing the fluid to pass through and a fluid output end. The diameter of the output end is smaller than that of the input end. According to the relation of the position, the distance, the motion trail and the like of the windshield wiper and windshield glass, the ultra-small spray head suitable for being installed on the windshield wiper is designed, and the technical parameters of the spray liquid shape, the spray angle, the sector angle, the installation position, the spray flow, the water outlet pressure and the like of the spray head are suitable for being installed on the windshield wiper for use. The windshield wiper can thoroughly clean complex stains on the windshield glass.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying, in particular to a spray head for being installed on windshield wipers of different types of vehicles, such as vehicles, trains and high-speed railways. Background Art

[0002] Fan nozzles can spray objects with a fan-shaped fluid jet. For example, pressurized water, which may be mixed with cleaning chemicals, can be used as the fluid. The water jet can be directed toward the object to be cleaned, and the object can be sprayed by the fan-shaped water jet.

[0003] The inventor of the utility model discovered that existing products do not have the technology to use nozzles to clean complex stains such as insect corpses on vehicle windshields. The existing nozzles cannot be directly installed on wipers of different styles. The technical parameters of the existing nozzles, such as the shape of the sprayed liquid, spray angle, fan angle, installation position, spray flow, and water outlet pressure, are also not suitable for installation on wipers. Utility Model Content

[0004] An embodiment of the utility model provides a nozzle for a vehicle wiper, which is invented to at least solve the problem that the nozzle is suitable for installation on the wiper, and to achieve the nozzle swinging with the wiper blade and close-range follow-up spraying to clean complex stains such as insect corpses on the windshield, thereby making it possible to thoroughly clean complex stains such as insect corpses on the vehicle glass.

[0005] In order to achieve the above-mentioned purpose, the embodiments of the present invention adopt the following technical solutions:

[0006] A nozzle for a vehicle windshield wiper is suitable for installation in different styles of vehicles, trains, and high-speed railways. It specifically includes a main body and a nozzle. The main body has multiple regional channels for fluid to pass through. The diameters of the multiple regional channels gradually decrease along the flow direction of the fluid. The multiple regional channels are connected to form a jet channel. The jet channel has an input end for fluid to pass through and an output end for the fluid. The diameter of the output end is smaller than the diameter of the input end. The nozzle has a hemispherical regional channel inside. The end of the nozzle close to the main body is the injection end, and the end away from the main body is the ejection end. The nozzle is perpendicular to the ejection end. A reference plane is set on the end face of the nozzle, and the end face of the ejection end is divided into two mutually symmetrical parts, and a dividing line is formed at the injection end. A first section is formed after rotating toward one of the parts by a certain angle along the reference plane with the dividing line as the rotation center line, and a second section is formed after rotating toward the other part by a certain angle along the reference plane with the dividing line as the rotation center line. The nozzle is cut along the first section and the second section to form a nozzle opening; wherein, the fluid enters the main body through the input end of the jet channel, is pressurized by the output end, and is transmitted to the injection end of the nozzle, and finally is ejected from the nozzle opening at the ejection end in a parallel fan shape.

[0007] The embodiment of the present utility model provides a nozzle for installation on different styles of windshield wipers on vehicles, trains, and high-speed trains. The nozzle opening is improved in design. The nozzle opening is formed by cutting the nozzle with a first cut surface and a second cut surface. The input end of the main body is designed to be larger than the output end. The fluid is pressurized through the input and output ends of the jet channel and transmitted to the injection end of the nozzle. Finally, it is ejected from the nozzle opening at the ejection end in a parallel fan shape. The shape of the sprayed liquid, the fan angle, and the injection angle of the nozzle are improved, and the vehicle glass is fully covered, making the vehicle glass cleaning more thorough. In addition, a nozzle suitable for installation on different styles of windshield wipers on vehicles, trains, and high-speed trains has been developed and designed. The nozzle's sprayed liquid shape, injection angle, fan angle, installation position, injection flow rate, water outlet pressure and other technical parameters are suitable for use with different styles of windshield wipers, so that the nozzle can swing with the wiper blade and spray at close range to clean complex stains such as insect corpses on the windshield.

[0008] Preferably, the fan spray angle of the nozzle opening is 70° to 140°.

[0009] Preferably, the internal water inlet hole of the nozzle is circular or conical in shape.

[0010] Preferably, the angle portion between the first cut surface and the second cut surface is a cutting portion, the cutting portion is separated from the nozzle, and the hemispherical regional channel is cut to form a nozzle opening.

[0011] Furthermore, the included angle between the first section plane and the second section plane is 10° to 50°, and the first section plane and the second section plane are symmetrically arranged with respect to the reference plane.

[0012] Furthermore, the regional channels inside the main body include a first regional channel, a second regional channel and a third regional channel. The second regional channel is located between the first regional channel and the third regional channel and connects the first regional channel with the third regional channel.

[0013] Furthermore, the diameter of the first region channel is greater than the diameter of the third region channel.

[0014] Furthermore, the second region channel has two openings, wherein the diameter of one opening is larger than the diameter of the other opening opposite thereto, thereby increasing the flow rate of the fluid.

[0015] In some possible designs, a connecting portion is further included, which is provided between the nozzle and the main body.

[0016] In some possible designs, a positioning portion is further included, which is wrapped around the outer wall of the main body and can be cylindrical, square, or straight slot-shaped.

[0017] Furthermore, at least one surface of the outer wall of the positioning portion is a flat surface, a convex surface, or a concave surface.

[0018] In some possible designs, a mounting portion is further included, which is provided at the end of the main body away from the nozzle.

[0019] Preferably, the spraying mode of the nozzle is continuous spraying, intermittent spraying or alternating spraying. Alternating spraying refers to the left and right wiper blades.

[0020] Preferably, the shape of the liquid sprayed by the nozzle is fan-shaped spray, cone-shaped spray or wave-shaped fan-shaped spray.

[0021] Preferably, the spray angle of the nozzle on the wiper toward the rear lower glass is 10° to 90°.

[0022] Preferably, the direction in which the nozzle sprays the liquid is rearward and downward on the wiper, or forward and downward, or vertically downward, or sideways, or sideways and downward, or vertically sideways.

[0023] Preferably, the distance between the nozzle and the glass surface is 10 mm to 80 mm.

[0024] Preferably, each nozzle has a flow rate of 15 ml to 70 ml per 10 seconds.

[0025] Preferably, each nozzle has a flow rate of 90 ml to 420 ml per minute.

[0026] In some possible designs, a tee is also included, and the nozzle is inserted into the tee by snapping, or the nozzle is inserted into the tee and fixed by glue, or the nozzle and the tee are manufactured as one piece, or the nozzle and the tee are made of one piece of material. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric view of a nozzle according to an embodiment of the present invention;

[0028] Figure 2 This is a front view of the nozzle of an embodiment of the utility model;

[0029] Figure 3 This is a left side cross-sectional view of the nozzle of the embodiment of the utility model;

[0030] Figure 4 This is a cross-sectional view of a nozzle of an embodiment of the present utility model;

[0031] Figure 5 This is a top view of the nozzle of an embodiment of the utility model;

[0032] Figure 6 This is a schematic diagram of one embodiment of the nozzle of the utility model;

[0033] Figure 7 This is a schematic diagram of another embodiment of the nozzle of the utility model;

[0034] Figure 8 This is a schematic diagram of another embodiment of the nozzle of the utility model;

[0035] Figure 9 This is a schematic diagram of a three-way connection in the implementation of this utility model;

[0036] Figure 10 This is a schematic diagram of the installation of the nozzle and tee in the embodiment of the utility model;

[0037] Figure 11 This is one of the schematic diagrams of the installation position of the nozzle on the wiper with a deflector cover;

[0038] Figure 12 This is the second schematic diagram of the installation position of the nozzle on the wiper with a deflector cover;

[0039] Figure 13 This is a schematic diagram of the installation position of the nozzle on the integrated wiper with rubber strip and deflector;

[0040] Figure 14 This is the second schematic diagram of the installation position of the nozzle on the integrated wiper with rubber strip and deflector;

[0041] Figure 15 This is one of the schematic diagrams of the installation position of the nozzle on the bone wiper;

[0042] Figure 16 This is the second diagram of the installation position of the nozzle on the frame wiper;

[0043] Figure 17 This is the third diagram of the installation position of the nozzle on the frame wiper;

[0044] Figure 18 Schematic diagram of the wiper structure.

[0045] 1. Main body, 2. Mounting part, 3. Positioning part, 4. Connecting part, 5. Nozzle, 6. Nozzle opening, 7. Tee, Q1, first area channel, Q2, second area channel, Q3, third area channel, Q4, fourth area channel, Q5, fifth area channel, M1, reference plane, M2, first section, M3, second section, Y1, wiper arm, Y2, wiper blade. DETAILED DESCRIPTION

[0046] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0047] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0048] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more.

[0049] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0050] In this disclosure, unless otherwise indicated, directional terms such as "axial," "circumferential," and "radial" are generally defined relative to the axis of rotation of the rotor in the drive motor, and "inner" and "outer" refer to the inner and outer contours of the corresponding components. The use of terms such as "first" and "second" is intended to distinguish different components and does not imply order or importance. In addition, in the following description, when referring to the drawings, unless otherwise specified, the same reference numerals in different drawings indicate the same or similar elements.

[0051] The utility model discloses a nozzle for a vehicle windshield wiper. Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 、 Figure 7 and Figure 8, including a main body 1 and a nozzle 5, the main body 1 has a plurality of regional channels for fluid to pass through, the diameters of the plurality of regional channels gradually decrease along the flow direction L of the fluid, the plurality of regional channels are connected to form a jet channel, the jet channel has an input end for fluid to pass through and an output end of the fluid, the diameter of the output end is smaller than the diameter of the input end; the nozzle 5 has a hemispherical regional channel inside, the end of the nozzle 5 close to the main body 1 is the injection end, the end away from the main body 1 is the ejection end, a reference plane M1 is set along the end face perpendicular to the ejection end, the end face of the ejection end is divided into two mutually symmetrical parts, and a dividing line is formed at the injection end, and a dividing line is formed along the reference plane M1. The first section M2 is formed after the dividing line is used as the rotation center line and is rotated toward one of the split bodies at a certain angle. The second section M3 is formed after the dividing line is used as the rotation center line along the reference plane M1 and is rotated toward the other split body at a certain angle. The nozzle 5 is cut along the first section M2 and the second section M3 to form a nozzle opening 6. The fluid enters the main body 1 through the input end of the jet channel, is pressurized by the output end and is transmitted to the injection end of the nozzle 5, and is finally ejected in a parallel fan shape from the nozzle opening 6 at the ejection end. The hemispherical regional channel is the fifth regional channel Q5. The nozzle 5 is spherical in this embodiment, but can also be square or other shapes, depending on the installation location and space.

[0052] The nozzle provided by the embodiment of the present invention for a vehicle windshield wiper has an improved design for the nozzle opening 6. The nozzle opening 6 is formed by cutting the nozzle 5 by the first section M2 and the second section M3. The input end of the main body is designed to be larger than the output end. The fluid is pressurized after passing through the input and output ends of the jet channel and is transmitted to the injection end of the nozzle 5. Finally, it is ejected in a parallel fan shape from the nozzle opening 6 at the ejection end. The shape of the sprayed liquid, the fan angle and the injection angle of the nozzle are improved, and the vehicle glass is fully covered, so that the vehicle glass is cleaned more thoroughly.

[0053] Please continue to see Figure 2 The fan spray angle of the nozzle opening 6 is 70° to 140°. The fan spray angle of the nozzle is preferably 70° to 140°. The fan spray angle of the nozzle is less than 70° and more than 140°.

[0054] See Figure 5 The shape of the internal water inlet hole of the nozzle is preferably circular, with conical or any other shape being less preferred. Preferably, the outer water inlet hole has a larger diameter and the inner water inlet hole has a smaller diameter, with D1 > D2, to increase water pressure. In one specific embodiment, D1 = 1.5 mm and D2 = 0.8 mm. Alternatively, the water inlet hole has a larger and smaller diameter, with D1 = D2.

[0055] See Figure 4 The angle portion between the first section M2 and the second section M3 is the cutting portion, and the cutting portion is separated from the nozzle 5. The hemispherical regional channel is cut to form a nozzle opening 6.

[0056] It should be noted that the angle between the first section M2 and the second section M3 can be formed by a cutting process or other manufacturing processes (such as one-time forming, etc.), and this application does not make any specific limitations.

[0057] See Figure 3 The angle between the first section M2 and the second section M3 mentioned above is specifically illustrated below. The angle between the first section M2 and the second section M3 is 10° to 50°, and the first section M2 and the second section M3 are arranged relative to the reference plane M1. The relative arrangement can be symmetrical or asymmetrical.

[0058] Please continue to see Figure 3 The regional channels inside the main body 1 include a first regional channel Q1, a second regional channel Q2 and a third regional channel Q3. The second regional channel Q2 is located between the first regional channel Q1 and the third regional channel Q3, and connects the first regional channel Q1 with the third regional channel Q3.

[0059] Please continue to see Figure 3 , the diameter of the first area channel Q1 is larger than the diameter of the third area channel Q3, increasing the flow rate.

[0060] Please continue to see Figure 3 The second region channel Q2 has two openings, one of which has a larger diameter than the other opening, thereby increasing the flow rate of the fluid.

[0061] It should be noted that the first zone channel Q1 may be directly connected to the third zone channel Q3 (ie, the second zone channel Q2 may not be provided).

[0062] Please continue to see Figure 2 , further comprising a connecting portion 4, which is disposed between the nozzle 5 and the main body 1, extending the length of the third region channel Q3 and increasing the flow rate. The connecting portion 4 is cylindrical in this embodiment, but may also be square or other shapes as required.

[0063] Please continue to see Figure 2 , also includes a positioning portion 3, which is covered on the outer wall of the main body 1 and can be any shape suitable for installation, such as cylindrical, square, or straight slot, to facilitate the installation of the nozzle. The outer wall of the positioning portion 3 has at least one surface that is flat, convex, or concave to perform angular positioning of the nozzle to prevent deviation.

[0064] Please continue to see Figure 2 , also includes a mounting portion 2, which is arranged at the end of the main body 1 away from the nozzle 5. Located at the bottom of the nozzle, it is cylindrical with protruding edges and corners. It can also be square or other shapes according to installation needs, or it can have no protruding edges and corners.

[0065] The spraying mode of the nozzle when used on the wiper is continuous spraying, intermittent spraying, or alternating spraying. Continuous spraying is preferred, while intermittent spraying or alternating spraying are less preferred. Alternating spraying refers to alternating spraying between the left and right wiper blades.

[0066] The shape of the liquid sprayed by the nozzle is parallel fan spray, fan spray, cone spray or wave fan spray, preferably fan spray, and secondarily cone fan spray and wave fan spray.

[0067] The nozzle sprays water at an angle of 10 to 90 degrees toward the lower rear glass on the wiper. Preferably, the nozzle sprays water at an angle of 10 to 50 degrees toward the lower rear glass. A second preferred spray angle is 5 to 90 degrees toward the lower rear glass.

[0068] The direction of the liquid spray head is to spray the liquid rearward and downward on the wiper blade, or forward and downward, or vertically downward, or laterally, or laterally and downward, or vertically to the side. The direction of the liquid spray means that the liquid can be sprayed in different directions on the wiper blade. Preferably, the liquid is sprayed rearward (rear and downward), and less preferably, it is sprayed forward, forward and downward, vertically downward, laterally, laterally and downward, or vertically to the side.

[0069] The distance between the nozzle and the glass surface is 10 mm to 80 mm.

[0070] Each nozzle has a flow rate of 15 ml to 70 ml per 10 seconds. The second preferred flow rate range is 80 ml or more per nozzle per 10 seconds, and the third preferred flow rate range is 10 ml to 10 ml or more per nozzle per 10 seconds.

[0071] The flow rate of each nozzle is 90ml to 420ml per minute. The second best flow rate of each nozzle is more than 420ml per minute, and the third best flow rate of each nozzle is 50ml to 150ml per minute.

[0072] It also includes a tee, in which the nozzle is pressed into the tee by a snap, or the nozzle is inserted into the tee and fixed by glue, or the nozzle and the tee are manufactured as one piece, the nozzle is made first, and when the tee is manufactured, the nozzle is directly wrapped in the tee, or the nozzle and the tee are made of an integral material.

[0073] Optional, such as Figure 9 and Figure 10 As shown, the tee and the nozzle can be detachably installed, wherein the nozzle is produced first, and then when the tee is produced, the outer edge of the nozzle water inlet is directly encapsulated with glue in the tee. This time, the tee and the nozzle can be effectively sealed after installation.

[0074] The height dimensions of each layer of the nozzle can be changed according to different requirements. The shape of each layer of the nozzle can be any other shape according to installation needs. The water inlet hole inside the nozzle can be circular or in other shapes.

[0075] It should be noted that the installation position of the nozzle is as follows depending on the wiper type:

[0076] (1) Wipers with deflector

[0077] like Figure 11 and Figure 12 The figure shows the installation of the wiper with a deflector. Figure 12 for Figure 11 Internal cross-sectional view of . Figure 11 In the figure, F1 is the direction of vehicle travel (the direction of vehicle travel is forward, and the reverse direction is backward), F2 is the car glass, and the nozzle 1 is installed inside the deflector (the deflector is the entire cover shown by K1, K2 and K5 in the figure). Figure 12 Five possible installation positions of the sprinkler are shown:

[0078] K1, installed inside the deflector, spraying downward and backward;

[0079] K2, installed inside the deflector, spraying forward and downward;

[0080] K3, a steel sheet installed in conjunction with the deflector, spraying downward and backward;

[0081] K4, installed on the steel sheet used with the deflector, spraying forward and downward;

[0082] K5, installed on the outside of the air deflector (the outside of the air deflector can be fixed by a clip), spraying backward and downward or front and downward.

[0083] Optionally, the above-mentioned nozzle installation can be achieved through a tee. Specifically, the nozzle is installed on the tee, and then the tee is installed inside the air deflector (K1 and K2 types), on the steel sheet (K3 and K4 types), or outside the air deflector (K5 type).

[0084] (2) Rubber strip deflector integrated wiper

[0085] like Figure 13 and Figure 14 The figure shows the installation of the integrated wiper with rubber strip deflector. Figure 14 for Figure 13 A cross-sectional view of a single nozzle (where Figure 13 and Figure 14 The nozzle in the figure is a simple illustration, and the actual shape of the nozzle 1 protected by this application shall prevail). The direction of vehicle travel is forward, and the reverse direction is backward. Figure 14 Six possible installation positions of the sprinkler are shown:

[0086] p1. The nozzle is installed on the nozzle tee, the nozzle tee is installed on the guide plate fixing part, the guide plate fixing part is installed on the outside of the guide plate, and sprays backward and downward; (I will send you a picture of the fixing part);

[0087] p2. The nozzle is installed on the nozzle tee, the nozzle tee is installed on the guide plate fixing part, and the guide plate fixing part is installed on the outside of the guide plate, spraying forward and downward;

[0088] p3. The nozzle is installed on the nozzle tee, which is directly fixed on the guide plate and sprays backward and downward;

[0089] p4. The nozzle is installed on the nozzle tee, which is directly fixed on the guide plate and sprays forward and downward;

[0090] p5. The nozzle is installed on a fixed steel sheet and sprays downward and backward;

[0091] p6. The nozzle is installed and fixed on the steel sheet, spraying forward and downward.

[0092] (3) Bone wipers

[0093] like Figure 15 、 Figure 16 and Figure 17 The following shows the installation of a bone wiper. Figure 16 and Figure 17 This is a schematic diagram of a single nozzle and tee installed on the clamp T1, where: Figure 15 H1, H2 and H3 are all wiper frames. X1, X2 and X3 can be installed on the steel sheet using the clip T1. The direction of vehicle travel is forward, and the reverse direction is backward. Figure 15 Two possible installation positions of the nozzle are shown:

[0094] The first type is that the nozzle 1 is installed on the nozzle tee 7, and the nozzle tee 7 is installed on the wiper frame H1, H2 or H3 (fixed by the clip T1), and can spray backward and downward or forward and downward;

[0095] The second type is that the nozzle 1 is installed on the nozzle tee 7, and the nozzle tee 7 is installed on the steel sheet (which can be fixed by the clip T1), such as at the positions X1, X2 and X3, and can spray backward and downward or forward and downward.

[0096] The nozzle tee can be fixed to the wiper by means of adhesive, welding, magnetism, screws, rivets, clips, posts, holes, plugs, slots, accessory notches, card slots, slots, etc. This application does not make specific restrictions.

[0097] It should be noted that if Figure 18As shown, a wiper usually includes: a wiper arm Y1 and a wiper blade Y2. The above-mentioned wiper with a deflector cover, an integrated wiper with a rubber strip deflector, and a bone wiper are all cases where the nozzle is installed on the wiper blade Y1, but in actual use, the nozzle can also be installed on the wiper arm Y1. The installation method can be pasting, welding, magnetism, screws, rivets, clips, plugs, jacks, plug plates, etc., and this application does not make specific restrictions.

[0098] Optionally, the nozzle may be installed on the wiper arm Y1 by directly connecting the nozzle or by adding an extension piece to the wiper arm Y1 and then installing the nozzle on the extension piece.

[0099] It should be noted that this application shows that the nozzle is a single nozzle or several nozzles, but in actual use, several nozzles are generally installed in a row. The specific number of nozzles can be selected according to the length of the wiper blade, the length and position of the wiper arm, and the area of ​​the vehicle glass. This application does not make specific restrictions.

[0100] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0101] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A nozzle for a vehicle windshield wiper, characterized in that: include, A main body (1) has a plurality of regional channels for fluid to pass through, wherein the diameters of the plurality of regional channels gradually decrease along the flow direction (L) of the fluid, and the plurality of regional channels are connected to form a jet channel, wherein the jet channel has an input end for fluid to pass through and an output end for the fluid, and the diameter of the output end is smaller than the diameter of the input end; A nozzle (5) having a hemispherical regional channel therein; an end of the nozzle (5) close to the main body (1) is an injection end, and an end away from the main body (1) is an ejection end; a reference plane (M1) is provided along an end face perpendicular to the ejection end, the end face of the ejection end is divided into two mutually symmetrical parts, and a dividing line is formed at the injection end; a first section (M2) is formed by rotating along the reference plane (M1) with the dividing line as a rotation center line toward one of the parts at a certain angle; a second section (M3) is formed by rotating along the reference plane (M1) with the dividing line as a rotation center line toward the other part at a certain angle; the nozzle (5) is cut along the first section (M2) and the second section (M3) to form a nozzle opening (6); The fluid enters the main body (1) through the input end of the jet channel, is pressurized at the output end and transmitted to the injection end of the nozzle (5), and is finally ejected from the nozzle opening (6) at the ejection end in a parallel fan shape.

2. The nozzle according to claim 1, characterized in that The fan-shaped spray angle of the nozzle opening (6) is 70° to 140°.

3. The nozzle according to claim 1, characterized in that The internal water inlet hole of the nozzle is circular or conical in shape.

4. The nozzle according to claim 1, characterized in that The angle portion between the first cut surface (M2) and the second cut surface (M3) is a cutting portion, and the cutting portion is separated from the nozzle (5). The hemispherical regional channel is cut to form a nozzle opening (6).

5. The nozzle according to claim 4, characterized in that: The included angle between the first section (M2) and the second section (M3) is 10° to 50°, and the first section (M2) and the second section (M3) are arranged relative to the reference plane (M1).

6. The nozzle according to claim 1, characterized in that The regional channels inside the main body (1) include a first regional channel (Q1), a second regional channel (Q2) and a third regional channel (Q3); the second regional channel (Q2) is located between the first regional channel (Q1) and the third regional channel (Q3), and connects the first regional channel (Q1) and the third regional channel (Q3).

7. The nozzle according to claim 6, characterized in that The diameter of the first region channel (Q1) is greater than the diameter of the third region channel (Q3).

8. The nozzle according to claim 7, characterized in that The second zone channel (Q2) has two openings, wherein the diameter of one opening is larger than the diameter of the other opening opposite thereto, thereby increasing the flow rate of the fluid.

9. The nozzle according to claim 1, characterized in that It also includes a connecting portion (4), which is arranged between the nozzle (5) and the main body (1).

10. The nozzle according to claim 1, wherein: It also includes a positioning portion (3) which is covered on the outer wall of the main body (1) and can be cylindrical, square or straight slot-shaped.

11. The nozzle according to claim 10, characterized in that At least one surface of the outer wall of the positioning portion (3) is a plane surface, a convex surface, or a concave surface.

12. The nozzle according to claim 1, wherein It also includes a mounting portion (2) arranged at the end of the main body (1) away from the nozzle (5).

13. The nozzle according to claim 1, wherein: The spraying mode of the spray head when used on the wiper is continuous spraying, intermittent spraying or alternating spraying.

14. The nozzle according to claim 1, characterized in that The shape of the liquid sprayed by the nozzle is parallel fan spraying, fan spraying, cone spraying or wave fan spraying.

15. The nozzle according to claim 1, characterized in that The spraying angle of the nozzle toward the lower rear glass on the wiper is 10° to 90°.

16. The nozzle according to claim 1, wherein: The direction of the liquid sprayed by the nozzle is backward and downward on the wiper, or forward and downward, or vertically downward, or sideways, or sideways and downward, or vertically to the side.

17. The nozzle according to claim 1, characterized in that The distance between the nozzle and the glass surface is 10 mm to 80 mm.

18. The nozzle according to claim 1, wherein: Each of the nozzles has a flow rate of 15 to 70 ml per 10 seconds.

19. The nozzle according to claim 1, wherein: Each of the nozzles has a flow rate of 90 to 420 ml per minute.

20. The nozzle according to claim 1, wherein It also includes a tee, and the nozzle is inserted into the tee by a snap-on press, or the nozzle is inserted into the tee and fixed by glue, or the nozzle and the tee are manufactured as one piece, or the nozzle and the tee are made of a one-piece material.

21. The nozzle according to claim 1, wherein The wipers are: wipers with deflector covers; The nozzle is fixedly installed inside the deflector, outside the deflector, or on a steel sheet used in conjunction with the deflector.

22. The nozzle according to claim 20, characterized in that The wipers are: rubber strip deflector integrated wipers; The nozzle is fixedly mounted on the tee; The tee is fixed on a guide plate or a steel sheet.

23. The nozzle according to claim 20, characterized in that The wipers are: bone wipers; The nozzle is fixedly mounted on the tee; The tee is fixed on the wiper frame or the steel sheet.

24. The nozzle according to claim 20, characterized in that The wiper also includes: a wiper arm; The spray head is fixedly mounted on the wiper arm.

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