CN112808482A - Water spraying windscreen wiper nozzle - Google Patents
Water spraying windscreen wiper nozzle Download PDFInfo
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- CN112808482A CN112808482A CN202110170728.9A CN202110170728A CN112808482A CN 112808482 A CN112808482 A CN 112808482A CN 202110170728 A CN202110170728 A CN 202110170728A CN 112808482 A CN112808482 A CN 112808482A
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- cavity
- water
- water inlet
- piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
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Abstract
The invention discloses a water spraying windscreen wiper nozzle, belongs to the field of water spraying windscreen wipers, and aims to improve the working reliability of the windscreen wiper nozzle. Comprises a nozzle body, a water inlet channel and a water outlet channel; a cavity communicated with the water inlet channel and the water outlet channel is arranged on the spray head body; a piston which is communicated with the water inlet channel by the cavity and is unidirectionally switched on and off by the water inlet pressure is movably arranged in the cavity. According to the invention, the arrangement of integrating the one-way valve structure in the traditional wiper nozzle is realized, and the one-way valve structure is integrated in the nozzle and is not influenced by the back-and-forth swing of the scraping rod, so that the distance between the two is greatly shortened, and the problems of falling off of the one-way valve and water spraying delay can be effectively avoided; in addition, a whole set of one-way valve is not required to be purchased, only partial parts of the one-way valve are required to be formed, the investment of a fixing structure for fixing the one-way valve is avoided, and the economy is better.
Description
Technical Field
The invention belongs to the field of water spraying windscreen wipers, and particularly relates to a water spraying windscreen wiper nozzle.
Background
The wiper of the water spraying windscreen wiper is connected with the wiper rod through the wiper joint, the spray head is installed in the wiper joint, the spray head is provided with a water inlet channel and a water outlet channel, the inlet end of the water inlet channel and the washing pump are connected through a water pipeline, a one-way valve is arranged on a communication passage of the water pipeline and the spray head, the one-way valve is opened to supply water for the spray head, and the one-way valve is closed to start and stop to supply water for the spray head. In the existing structure, the one-way valve is independent of the nozzle, and the following two common forms are adopted:
the first form is that the check valve is arranged at the inlet end of the water inlet channel of the spray head and is clamped in the hook plate, and the check valve occupies the space of the hook plate, so that the space of the hook plate is enlarged, and the appearance effect of the windscreen wiper is influenced; moreover, the scraping rod swings back and forth, and the one-way valve has the risk of being thrown away;
the second form is to place the check valve under the hood and install the end of the delivery pipe connected to the wash pump. According to the structure, the distance between the check valve and the hook plate is more than 110 mm, and the problem of water spraying delay exists.
In conclusion, the existing structure with the spray head and the check valve arranged independently is difficult to ensure the reliability of the work of the spray head.
Disclosure of Invention
The invention aims to solve the problem that the working reliability of the existing spray head is difficult to guarantee, and provides a water spraying wiper spray head which integrates a one-way valve structure into a whole and improves the working reliability of the spray head.
The technical scheme adopted by the invention is as follows: the water spraying wiper nozzle comprises a nozzle body, a water inlet channel and a water outlet channel; a cavity communicated with the water inlet channel and the water outlet channel is arranged on the spray head body; a piston which is communicated with the water inlet channel by the cavity and is unidirectionally switched on and off by the water inlet pressure is movably arranged in the cavity.
Furthermore, the cavity sets up along shower nozzle body width direction, and inhalant canal sets up in the inner of cavity, and exhalant canal sets up in the play water section of cavity, it is a section region in cavity outer end to middle part to go out the water section.
Furthermore, a water inlet which is radially inwards contracted is arranged at the inner end of the cavity along the length direction of the cavity, and the water inlet channel is communicated with the cavity through the water inlet; the piston is matched with the water inlet.
Furthermore, one end of the piston, which is adjacent to the water inlet, is arc-shaped, and the water inlet is blocked by an arc-shaped end face.
Furthermore, the outer end of the cavity penetrates through the spray head body, a plug for plugging the opening of the cavity is arranged at the outer end of the cavity, and an elastic structure for driving the piston to reset is arranged between the plug and the piston.
Further, the elastic structure is a telescopic spring.
Further, the piston comprises a plugging part and a connecting part, and the telescopic spring is sleeved on the periphery of the connecting part; the end face of the blocking part adjacent to the water inlet is arc-shaped.
Furthermore, a limiting block is arranged at one end, opposite to the piston, of the plug, and the other end, connected with the plug, of the limiting block extends to a position between the water outlet channel and the water inlet channel along the length direction of the cavity.
Furthermore, the telescopic spring is sleeved on the periphery of the limiting block.
Furthermore, the limiting block and the plug are integrally formed.
The invention has the beneficial effects that: according to the invention, the cavity communicated with the water inlet channel and the water outlet channel is arranged on the spray head body, and the piston which is used for unidirectionally switching the communication passage between the cavity and the water inlet channel by depending on the water inlet pressure is movably arranged in the cavity, so that the arrangement of integrating the one-way valve structure in the traditional water spraying wiper spray head is realized; in addition, a whole set of one-way valve is not required to be purchased, only partial parts of the one-way valve are required to be purchased, the investment of a fixing structure for fixing the one-way valve is avoided, and the economy is better.
Drawings
FIG. 1 is a schematic view of a water-spraying wiper nozzle;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a partially enlarged view of a portion a of fig. 2.
In the figure, the spray head comprises a spray head body 1, a cavity 1A, a water inlet 1B, a water inlet channel 2, a water outlet channel 3, a piston 4, a plugging part 4A, a connecting part 4B, a plug 5, a limiting block 6 and a telescopic spring 7.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
a water spraying wiper nozzle, as shown in fig. 1 and 2, comprises a nozzle body 1, a water inlet channel 2 and a water outlet channel 3; a cavity 1A which is communicated with the water inlet channel 2 and the water outlet channel 3 is arranged on the spray head body 1; a piston 4 which is communicated with the water inlet channel 2 by the cavity 1A and is unidirectionally switched on and off by the water inlet pressure is movably arranged in the cavity 1A.
The traditional water spraying windscreen wiper nozzle comprises a nozzle body 1, a water inlet channel 2 arranged at one end of the nozzle body 1 along the length direction of the nozzle body 1 and a water outlet channel 3 arranged at the other end of the nozzle body 1, wherein the water outlet channel 3 is generally provided with three positions; the water inlet channel 2 is communicated with the water outlet channel 3, and the inlet end of the water inlet channel 2 is communicated with the water delivery pipeline; water is input from the inlet end of the water inlet channel 2 through the conveying pipeline and then is sprayed out from the outlet end of the water outlet channel 3.
The invention, integrate the check valve in the traditional water spray wiper shower nozzle, specifically, set up the cavity 1A on the shower nozzle body 1, the cavity 1A is linked with water inlet channel 2 and water outlet channel 3, there is a piston 4 that relies on the unidirectional break-make passage of water inlet channel 2 of cavity 1A of water inlet pressure in cavity 1A activity, namely the piston 4 is under the promotion of the water inlet pressure, move from water inlet channel 2 side to water outlet channel 3 side in cavity 1A, open cavity 1A and water inlet channel 2 to link the passage, make water inlet channel 2 communicate with water outlet channel 3, the water is sprayed out from the exit end of the water outlet channel 3; when the water inlet pressure is not high or is small enough, the piston 4 is reset, the communication passage between the cavity 1A and the water inlet channel 2 is closed, and water is not sprayed out from the outlet end of the water outlet channel 3.
According to the invention, through the structures of the cavity 1A, the piston 4 and the like, namely the one-way valve structure is integrated in the spray head body 1, so that the normal work of the spray head of the water spraying wiper is ensured. Compared with the traditional one-way valve which is connected between the inlet end of the water inlet channel 2 and the water conveying pipeline, firstly, the water spraying windscreen wiper nozzle does not additionally occupy the space of the hook plate, and is beneficial to ensuring the external decoration aesthetic property of the windscreen wiper; secondly, the structure of the one-way valve is firmly integrated in the spray head body 1, and the problem that the structure of the one-way valve falls off cannot be caused when the scraping rod swings back and forth; thirdly, the check valve is connected between the inlet end of the water inlet channel 2 and the water pipeline, the whole check valve needs to be purchased, and a fixing structure for fixing the check valve on the hook plate needs to be added.
Compared with the traditional one-way valve which is arranged below the engine cover plate, the water spraying wiper nozzle disclosed by the invention has the advantages that the one-way valve is integrated in the nozzle, so that the distance between the two is greatly shortened, the influence of the reciprocating swing of the scraping rod is avoided, and the problem of water spraying delay can be effectively avoided; and, avoided the investment of the fixed knot structure of check valve below the bonnet, economic nature is more excellent.
In order to guarantee the reliability of water spray, cavity 1A sets up along 1 width direction of shower nozzle body, and inhalant canal 2 sets up in cavity 1A's the inner for intake pressure effectively acts on piston 4, guarantees that piston 4 can be smoothly moved by 2 side direction exhalant canals of inhalant canal 3 sides under the pressure effect of intaking. The water outlet channel 3 can be arranged at the outer end of the cavity 1A, however, in order to shorten the distance of the communication channel between the water inlet channel 2 and the water outlet channel 3, reduce the water pressure loss and also facilitate the uniform distribution of the three water outlet channels 3, the water outlet channel 3 is arranged at the water outlet section of the cavity 1A, and the water outlet section is a section of area from the outer end to the middle part of the cavity 1A.
In order to improve the reliability of the piston 4 for blocking the communication passage between the water inlet channel 2 and the cavity 1A, preferably, a water inlet 1B which is inwards contracted along the radial direction is arranged at the inner end of the cavity 1A along the length direction of the cavity 1A, and the water inlet channel 2 is communicated with the cavity 1A through the water inlet 1B; the piston 4 is matched with the water inlet 1B. The piston 4 is matched with the water inlet 1B, which means that the water inlet 1B can be completely plugged by the piston 4 at the water inlet 1B.
The end of the piston 4 adjacent to the water inlet 1B may be a plane, and in order to further improve the reliability of the piston 4 for plugging the water inlet 1B, optimally, the end of the piston 4 adjacent to the water inlet 1B is arc-shaped, and the water inlet 1B is plugged by an arc-shaped end surface.
The inner end and the outer end of the cavity 1A can be both closed, however, in order to facilitate installation of parts such as the piston 4, preferably, the outer end of the cavity 1A penetrates through the nozzle body 1, the outer end of the cavity 1A is provided with a plug 5 for plugging the opening of the cavity 1A, and an elastic structure for driving the piston 4 to reset is arranged between the plug 5 and the piston 4.
The elastic structure can be a rubber cushion block with telescopic performance, and the like, and optimally, the elastic structure is a telescopic spring 7. The telescopic spring 7 is convenient to install and position and replace, and a gap is reserved between rings of the telescopic spring 7, so that water flow cannot be blocked.
The piston 4 is cylindrical, as shown in fig. 3, the piston 4 comprises a blocking part 4A and a connecting part 4B, and the extension spring 7 is sleeved on the periphery of the connecting part 4B; the end surface of the blocking part 4A adjacent to the water inlet 1B is arc-shaped. The connecting portion 4B is cylindrical, the connecting portion 4B is coaxial with the plugging portion 4A, the outer diameter of the plugging portion 4A is larger than the diameter of the connecting portion 4B, a step surface is formed between the plugging portion 4A and the connecting portion 4B, and the extension spring 7 abuts against the step surface.
In order to prevent that under the too big condition of inlet pressure, piston 4 removes the kneck to outlet channel 3 and cavity 1A, causes the unable phenomenon of spraying water of outlet channel 3 shutoff, and is optimum, is provided with stopper 6 in end cap 5 and the relative one end of piston 4, the other end that stopper 6 is connected with end cap 5 extends to between outlet channel 3 and inlet channel 2 along the length direction of cavity 1A. The telescopic spring 7 is sleeved on the periphery of the limiting block 6, so that the limiting block 6 plays a role in guiding the telescopic spring 7.
In order to facilitate manufacturing and use, the limiting block 6 and the plug 5 are integrally formed.
Claims (10)
1. The water spraying wiper nozzle comprises a nozzle body (1), a water inlet channel (2) and a water outlet channel (3); the method is characterized in that: a cavity (1A) which is communicated with the water inlet channel (2) and the water outlet channel (3) is arranged on the spray head body (1); a piston (4) which is connected and disconnected in a one-way mode by means of water inlet pressure and is communicated with the water inlet channel (2) is movably arranged in the cavity (1A).
2. The water spraying wiper nozzle of claim 1, wherein: cavity (1A) sets up along shower nozzle body (1) width direction, and inhalant canal (2) set up in the inner of cavity (1A), and exhalant canal (3) set up in cavity (1A) play water section, it is a section region in cavity (1A) outer end to middle part to go out the water section.
3. The water spraying wiper nozzle of claim 2, wherein: a water inlet (1B) which is radially inwards contracted is arranged at the inner end of the cavity (1A) along the length direction of the cavity (1A), and the water inlet channel (2) is communicated with the cavity (1A) through the water inlet (1B); the piston (4) is matched with the water inlet (1B).
4. The water spraying wiper nozzle of claim 3 wherein: one end of the piston (4) adjacent to the water inlet (1B) is arc-shaped, and the water inlet (1B) is blocked by an arc-shaped end face.
5. A water spraying wiper nozzle as claimed in any one of claims 1 to 3 wherein: the outer end of the cavity (1A) penetrates through the sprayer body (1), a plug (5) for plugging the opening of the cavity (1A) is arranged at the outer end of the cavity (1A), and an elastic structure for driving the piston (4) to reset is arranged between the plug (5) and the piston (4).
6. The water spraying wiper nozzle of claim 5, wherein: the elastic structure is a telescopic spring (7).
7. The water spraying wiper nozzle of claim 6, wherein: the piston (4) comprises a plugging part (4A) and a connecting part (4B), and the telescopic spring (7) is sleeved on the periphery of the connecting part (4B); the end surface of the blocking part (4A) adjacent to the water inlet (1B) is arc-shaped.
8. The water spraying wiper nozzle of claim 6, wherein: a limiting block (6) is arranged at one end, opposite to the piston (4), of the plug (5), and the other end, connected with the plug (5), of the limiting block (6) extends to a position between the water outlet channel (3) and the water inlet channel (2) along the length direction of the cavity (1A).
9. The water jet wiper nozzle of claim 8, wherein: the telescopic spring (7) is sleeved on the periphery of the limiting block (6).
10. The water jet wiper nozzle of claim 8, wherein: the limiting block (6) and the plug (5) are integrally formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120204589 | 2021-01-25 | ||
| CN2021202045892 | 2021-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112808482A true CN112808482A (en) | 2021-05-18 |
Family
ID=75863715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110170728.9A Pending CN112808482A (en) | 2021-01-25 | 2021-02-08 | Water spraying windscreen wiper nozzle |
| CN202120351151.7U Active CN214975006U (en) | 2021-01-25 | 2021-02-08 | Water spraying windscreen wiper nozzle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120351151.7U Active CN214975006U (en) | 2021-01-25 | 2021-02-08 | Water spraying windscreen wiper nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112808482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247589A1 (en) * | 2021-05-27 | 2022-12-01 | 江苏云睿汽车电器***有限公司 | Water-spraying wiper |
-
2021
- 2021-02-08 CN CN202110170728.9A patent/CN112808482A/en active Pending
- 2021-02-08 CN CN202120351151.7U patent/CN214975006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247589A1 (en) * | 2021-05-27 | 2022-12-01 | 江苏云睿汽车电器***有限公司 | Water-spraying wiper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN214975006U (en) | 2021-12-03 |
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