Self-cleaning type spraying device

Abstract

The utility model relates to the technical field of spraying nozzles, and discloses a self-cleaning type spraying device which is characterized in that a spraying nozzle is arranged at the bottom end of a spraying pipe, and a fixed end is fixed at the bottom end of the spraying pipe; the top end of the spraying nozzle is fixedly sleeved with a sealing end, a sealing ring is fixed to the top end of the sealing end, and a filter screen is fixed to the top end of the spraying nozzle. According to the device, water flow flowing into a spraying nozzle from a spraying pipe is filtered through a filter screen, so that impurities such as rust in the water flow are filtered on the filter screen, then the spraying nozzle and the spraying pipe are pushed by a push rod motor to clockwise rotate by 30 degrees with a connecting shaft as the axis to be opened, and the water flow in the spraying pipe flushes the surface of the filter screen; water flows through the spiral groove in the inner wall of the sealing ring, so that the water flows out of the top end of the sealing end in a spiral mode conveniently, rust and other impurities are driven to be discharged from the interior of the sealing end, impurity cleaning on the surface of the filter screen can be completed, and then blockage of the spraying nozzle is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray head technical field, especially a self -cleaning formula spray device. BACKGROUND

[0002] Dust refers to the solid particles suspended in the air. There are many names for dust, such as dust, dust, smoke, dust, sand, powder, etc. These terms have no clear boundaries. The International Organization for Standardization defines the solid suspended matter with a particle size of less than 75 μm as dust.

[0003] When the factory transports the dust-prone material through the industrial transport belt, a large amount of dust particles and PM2.5 particles that can enter the lungs will be generated, so it is necessary to spray the transport environment by the spray device.

[0004] For the above and existing related technologies, the inventors believe that the following defects often exist: because tap water contains impurities such as sand, rust is easily generated in the spray pipeline, which causes the water flow to drive impurities and rust to block in the spray head, causing the spray device to not work normally, and reducing the service life of the spray device. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is that in the prior art, because tap water contains impurities such as sand, the water flow drives impurities and rust to block in the spray head, causing the spray device to not work normally. Therefore, we propose a self-cleaning spray device.

[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a self-cleaning spray device, comprising a spray pipe, a spray head is arranged at the bottom end of the spray pipe, a push rod motor is fixed on the right side of the spray pipe through a triangular support, and a fixed end is fixed at the bottom end of the spray pipe;

[0007] The top end of the spray head is sleeved and fixed with a sealing end, which is attached to the bottom end of the fixed end, the top end of the sealing end is fixed with a sealing ring, which penetrates into the inside of the fixed end, the top end of the spray head is fixed with a filter screen, which is located between the inner walls of the sealing ring, the top end of the filter screen is rotatably connected with a shaft, which is located inside the bottom end of the fixed end, the outer wall of the shaft is fixed with a spiral blade, the outer wall of the shaft is fixed with an arc-shaped scraper, which is attached to the surface of the filter screen and located below the spiral blade.

[0008] Preferably, the bottom end of the push rod motor is connected with a connecting rod, the right outer wall of the connecting rod is fixed with a limit baffle, the right top end of the limit baffle is provided with a spray switch, the right bottom end of the limit baffle is provided with a flushing switch, the spray switch and the flushing switch are fixed on the wall surface through a mounting seat, and the bottom end of the connecting rod is connected with the right side of the spray nozzle through a connecting chain.

[0009] Preferably, the outer wall of the spray pipe is fixed with a spray valve, the sealing end and the fixed end are rotationally connected through a connecting shaft on the left side, and a water flow groove in communication with the spray nozzle is left between the sealing end and the fixed end.

[0010] Preferably, the bottom end of the fixed end is provided with a movable space matched with the spiral blade, the bottom end of the fixed end is provided with a sealing groove matched with the sealing ring, and the top end of the sealing groove is in arc shape, the bottom end of the sealing ring is hard rubber, and the top end of the sealing ring is soft rubber.

[0011] Preferably, the inner wall of the sealing ring is provided with a plurality of spiral grooves, the spiral blade and the arc-shaped scraper are annularly distributed on the outer wall of the rotating shaft, and the rotating shaft is rotationally connected with the surface of the filter screen through a ball.

[0012] Preferably, the wall surface is fixed with a support plate through bolts, and is sleeved with the outer walls of the spray pipe and the connecting rod, the inside of the push rod motor is provided with two time relays, the spray switch and the flushing switch are respectively signal-connected with the time relays, a moving stroke matched with the limit baffle is left between the spray switch and the flushing switch, and a limit block with a rotation degree of 30 degrees is arranged at the connecting shaft between the spray pipe and the spray nozzle.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] In the utility model, the fixed end and the sealing end are separated after clockwise rotation by 30 degrees, the sealing end drives the sealing ring and the spiral blade to move out from the inside of the fixed end, and the surface of the spiral blade forms a 30-degree angle with the water outlet at the bottom end of the fixed end, so that the water flow after pressurization can flush the filter screen surface and simultaneously flush the spiral blade, the spiral blade is driven to rotate by force, and then drives the arc-shaped scraper to rotate and clean the filter screen surface, at the same time, the arc-shaped scraper rotates to diffuse the water flow in all directions by centrifugal force, so that the water flow drives the impurities on the filter screen surface to flow to the sealing ring, and then spirally flows out through the spiral groove in the inner wall of the sealing ring, so that the self-cleaning of the filter screen surface can be completed, and the blockage of the spray nozzle after long-time use can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The disclosure of the present application will be described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the scope of protection of the present application. In the drawings, the same reference signs are used to refer to the same parts:

[0016] Figure 1 It is a schematic diagram of the overall structure of the spray pipe of the present application;

[0017] Figure 2 It is a schematic diagram of the connection structure of the spray pipe and the spray head of the present application;

[0018] Figure 3 It is a schematic diagram of the rotary connection of the spray pipe and the spray head of the present application;

[0019] Figure 4 It is a schematic diagram of the internal structure of the spray pipe and the spray head of the present application;

[0020] Figure 5 It is a schematic diagram of the internal structure of the sealing end of the present application;

[0021] Figure 6 It is a schematic diagram of the Figure 2 structure of A in the present application.

[0022] Legend: 1, spray pipe; 101, spray head; 2, push rod motor; 201, connecting rod; 202, limit bump; 203, spray switch; 204, flush switch; 205, connecting chain; 3, fixed end; 301, sealing end; 302, sealing ring; 303, filter screen; 304, shaft; 305, spiral blade; 306, arc-shaped scraper. DETAILED DESCRIPTION

[0023] It is easy to understand that according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the present application, and should not be regarded as the whole or as the limitation or restriction of the technical scheme of the present application.

[0024] Referring to Figures 1-6 The present application provides a technical scheme: a self-cleaning type spray device, comprising a spray pipe 1, a spray head 101 is arranged at the bottom end of the spray pipe 1, a push rod motor 2 is fixed on the right side of the spray pipe 1 through a triangular support, and a fixed end 3 is fixed at the bottom end of the spray pipe 1;

[0025] The top end of the spray nozzle 101 is sleeved and fixed with a sealing end 301, and is attached to the bottom end of the fixed end 3. The top end of the sealing end 301 is fixed with a sealing ring 302, and penetrates into the inside of the fixed end 3. The top end of the spray nozzle 101 is fixed with a filter screen 303, and is located between the inner walls of the sealing ring 302. The top end of the filter screen 303 is rotatably connected with a rotating shaft 304, and is located inside the bottom end of the fixed end 3. The outer wall of the rotating shaft 304 is fixed with a spiral blade 305. The outer wall of the rotating shaft 304 is fixed with an arc-shaped scraper 306, which is attached to the surface of the filter screen 303 and is located below the spiral blade 305.

[0026] The water flow flowing into the inside of the spray nozzle 101 of the spray pipe 1 is filtered through the filter screen 303, so that the rust and other impurities in the water flow are filtered on the filter screen 303. Then, after the spray nozzle 101 and the spray pipe 1 are pushed by the push rod motor 2 to rotate 30 degrees clockwise around the connecting shaft to open, the water flow in the inside of the spray pipe 1 washes the surface of the filter screen 303. The water flow flows through the spiral groove in the inner wall of the sealing ring 302, which facilitates the spiral flow of the water flow from the top end of the sealing end 301, and drives the rust and other impurities to be discharged from the inside of the sealing end 301. The impurities on the surface of the filter screen 303 can be cleaned, thereby preventing the spray nozzle 101 from being blocked.

[0027] Referring to Figures 1-3 In the embodiment, the bottom end of the push rod motor 2 is connected with a connecting rod 201. The right side outer wall of the connecting rod 201 is fixed with a limiting bump iron 202. The right side top end of the limiting bump iron 202 is provided with a spray switch 203. The right side bottom end of the limiting bump iron 202 is provided with a washing switch 204. The spray switch 203 and the washing switch 204 are fixed on the wall surface through a mounting seat. The bottom end of the connecting rod 201 is connected with a connecting chain 205 between the right side of the spray nozzle 101. The connecting rod 201 is driven to move by the start of the push rod motor 2, so that the connecting rod 201 drives the limiting bump iron 202 to move between the spray switch 203 and the washing switch 204 to switch. At the same time, the downward movement of the connecting rod 201 facilitates the separation of the spray nozzle 101 and the spray pipe 1 through the connecting chain 205 to open.

[0028] Referring to Figures 1-4 In the embodiment, the outer wall of the spray pipe 1 is fixed with a spray valve. The sealing end 301 and the fixed end 3 are rotatably connected through the left connecting shaft. The sealing end 301 and the fixed end 3 are left with a water flow channel communicated with the spray nozzle 101. The outer wall of the spray pipe 1 is fixed with a spray valve, which facilitates the adjustment and control of the water flow and pressure in the inside of the spray pipe 1 by the spray valve. The sealing end 301 and the fixed end 3 can drive the spray nozzle 101 to rotate and open to separate from the spray pipe 1 around the connecting shaft as the axis.

[0029] Referring to Figures 2-6As shown, in the embodiment: the bottom end of the fixed end 3 is provided with a movable space matched with the spiral blade 305, the bottom end of the fixed end 3 is provided with a sealing groove matched with the sealing ring 302, and the top end of the sealing groove is provided in a circular arc shape, the bottom end of the sealing ring 302 is made of hard rubber, and the top end of the sealing ring 302 is made of soft rubber, through the bottom end of the fixed end 3 is provided with a sealing groove matched with the sealing ring 302, and the top end of the sealing groove is provided in a circular arc shape, the bottom end of the sealing ring 302 is made of hard rubber, and the top end of the sealing ring 302 is made of soft rubber, after the fixed end 3 and the sealing end 301 are combined, the top end of the sealing ring 302 penetrates into the sealing groove and is extruded to be arc-shaped, so that the sealing ring 302 is combined with the inner wall of the sealing groove, thereby improving the sealing property between the sealing end 301 and the fixed end 3.

[0030] Referring to Figure 5 and Figure 6 As shown, in the embodiment: the inner wall of the sealing ring 302 is provided with a plurality of spiral grooves, the spiral blade 305 and the arc-shaped scraper 306 are annularly distributed on the outer wall of the rotating shaft 304, and the rotating shaft 304 is rotatably connected to the surface of the filter screen 303 through a ball bearing, when the spiral blade 305 rotates under the water flow impact, the spiral blade 305 drives the rotating shaft 304 to rotate, so that the rotating shaft 304 drives the arc-shaped scraper 306 to clean the rust and other impurities filtered on the surface of the filter screen 303, and the water flow flows in the sealing end 301, carrying the rust and other impurities out of the spiral groove.

[0031] Referring to Figures 3-6 As shown, in the embodiment: the wall surface is provided with a support plate fixed by bolts, and is sleeved with the outer wall of the spray pipe 1 and the connecting rod 201, the inside of the push rod motor 2 is provided with two time relays, and the spray switch 203 and the flushing switch 204 are respectively signal-connected with the time relays, the spray switch 203 and the flushing switch 204 are left with a moving stroke matched with the limit striker 202, and the connecting shaft between the spray pipe 1 and the spray nozzle 101 is provided with a limit block with a rotation degree of 30 degrees, through the time relay in the inside of the push rod motor 2, after the limit striker 202 contacts and triggers the spray switch 203, the time relay can time the spray operation of the spray pipe 1, and when the timing is completed, the push rod motor 2 is started to drive the connecting rod 201 to move downward, the connecting rod 201 drives the limit striker 202 to move from the bottom end of the spray switch 203 to the top end of the flushing switch 204, so that the flushing switch 204 is contacted and triggered, and the time relay times the flushing operation of the spray pipe 1, and through the connecting chain 205, the sealing end 301 and the fixed end 3 are separated by 30 degrees clockwise rotation.

[0032] Working principle: through the push rod motor 2 drive connecting rod 201 upward movement of the limit of iron 202 and spray switch 203 contact, facilitate the spray switch 203 trigger through time relay control spray pipe 1 spray time, the flow of tap water in the spray pipe 1 into the spray nozzle 101 inside, the impurities in the water flow through the filter screen 303 filtering, so that the water flow in the rust and other impurities filter on the surface of the filter screen 303, can avoid the impurities in the water flow on the surface of the spray nozzle 101, cause the spray nozzle 101 blockage, after a period of time in the spray nozzle 101 work, time relay complete timing, the spray valve on the spray pipe 1 makes the spray pipe 1 stop spraying operation, and make the push rod motor 2 start drive connecting rod 201 down, the connecting rod 201 movement limit iron 202 drive 202 and spray switch 203 contact, and move down and flush switch 204 close contact;

[0033] Limit iron 202 and flush switch 204 close contact, flush switch 204 trigger makes the spray valve on the spray pipe 1 control spray pipe 1 flushing operation, at the same time, connecting rod 201 down drive connecting chain 205 loose, make the connecting rod 201 and spray nozzle 101 between loose, facilitate the spray nozzle 101 in its own gravity and water flow impact with connecting shaft as the axis of rotation 30 degrees, and the bottom end of the spray pipe 1 separate, further drive the fixed end 3 and the sealing end 301 between the separation, and the time relay on the flushing time timing, time relay complete timing, the spray valve on the spray pipe 1 makes the spray pipe 1 stop flushing operation, and make the push rod motor 2 start drive connecting rod 201 up, connecting rod 201 movement limit iron 202 drive 202 and flush switch 204 contact, and move up and spray switch 203 close contact, can complete the spray device of spray operation and self cleaning operation.

[0034] Working principle: the fixed end 3 and the sealing end 301 clockwise rotation 30 degrees after separation, make the sealing end 301 drive the sealing ring 302 and the spiral blade 305 from the fixed end 3 inside, and make the spiral blade 305 surface and the fixed end 3 bottom end of the water outlet form 30 degrees angle, facilitate the water flow in the flush filter screen 303 surface, synchronous flushing of the spiral blade 305, make the spiral blade 305 force drive the rotating shaft 304 rotation, rotating shaft 304 rotation drive the bottom end of the arc scraper 306 rotation, make the arc scraper 306 rotation on the surface of the filter screen 303 cleaning, at the same time, the arc scraper 306 rotation through the centrifugal force makes the water flow to the four around, further make the water flow drive the impurities on the surface of the filter screen 303 to the sealing ring 302, and through the spiral groove in the inner wall of the sealing ring 302 spiral flow out, can complete the self cleaning of the surface of the filter screen 303, further avoid the spray nozzle 101 blockage after a long time use;

[0035] After the surface cleaning of the filter screen 303 is completed, the push rod motor 2 drives the connecting rod 201 to move upwards, the connecting rod 201 moves upwards to drive the limiting iron 202 to move upwards to release the pressing of the flushing switch 204, and the pressing of the trigger spray switch 203 is released, so that the spray valve controls the water flow and water pressure in the spray pipe 1 to restore to the spray state, at the same time, the connecting rod 201 moves through the connecting chain 205 to pull the spray nozzle 101 to move, so that the spray nozzle 101 rotates to drive the sealing end 301 and the fixed end 3 to approach, at the same time, when the connecting chain 205 is in a tight state, the sealing end 301 and the fixed end 3 can be sealed and matched, at the same time, the sealing end 301 drives the sealing ring 302 to penetrate into the fixed end 3, so that the top of the sealing ring 302 is pressed to deform the spiral groove in the sealing groove, the filling and sealing of the sealing groove are completed, and the sealing connection between the sealing end 301 and the fixed end 3 is improved.

[0036] The technical scope of the utility model is not only limited to the contents in the above description, and the skilled in the art can deform and modify the above embodiment in various ways without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A self-cleaning spray device, characterized by, Including the spray pipe (1), the bottom end of the spray pipe (1) is provided with a spray nozzle (101), the right side of the spray pipe (1) is fixed with a push rod motor (2) through a triangular support, and the bottom end of the spray pipe (1) is fixed with a fixed end (3); The top end of the spray nozzle (101) is sleeved and fixed with a sealing end (301), which is in contact with the bottom end of the fixed end (3), the top end of the sealing end (301) is fixed with a sealing ring (302), which penetrates into the inside of the fixed end (3), the top end of the spray nozzle (101) is fixed with a filter screen (303), which is located between the inner walls of the sealing ring (302), the top end of the filter screen (303) is rotatably connected with a rotating shaft (304), which is located inside the bottom end of the fixed end (3), the outer wall of the rotating shaft (304) is fixedly connected with a spiral blade (305), the outer wall of the rotating shaft (304) is fixedly connected with an arc-shaped scraper (306), which is in contact with the surface of the filter screen (303) and is located below the spiral blade (305).

2. The self-cleaning shower assembly of claim 1, wherein: The bottom end of the push rod motor (2) is connected with a connecting rod (201), the right outer wall of the connecting rod (201) is fixedly connected with a limit baffle (202), the right top end of the limit baffle (202) is provided with a spray switch (203), the right bottom end of the limit baffle (202) is provided with a flushing switch (204), and the spray switch (203) and the flushing switch (204) are fixed on the wall surface through a mounting seat, and the connecting rod (201) is connected with the right side of the spray nozzle (101) through a connecting chain (205).

3. The self-cleaning showerhead of claim 1, wherein: The outer wall of the spray pipe (1) is fixedly connected with a spray valve, the sealing end (301) and the fixed end (3) are rotatably connected through a connecting shaft on the left side, and a water flow channel is left between the sealing end (301) and the fixed end (3) for communication with the spray nozzle (101).

4. The self-cleaning showerhead of claim 1, wherein: The bottom end of the fixed end (3) is provided with a movable space matched with the spiral blade (305), the bottom end of the fixed end (3) is provided with a sealing groove matched with the sealing ring (302), and the top end of the sealing groove is provided in a circular arc shape, the bottom end of the sealing ring (302) is made of hard rubber, and the top end of the sealing ring (302) is made of soft rubber.

5. The self-cleaning showerhead of claim 1, wherein: A plurality of spiral grooves are formed in the inner wall of the sealing ring (302), the spiral blade (305) and the arc-shaped scraper (306) are annularly distributed on the outer wall of the rotating shaft (304), and the rotating shaft (304) is rotatably connected with the surface of the filter screen (303) through a ball.

6. The self-cleaning showerhead of claim 2, wherein: The wall surface is fixedly connected with a support plate through bolts, and is sleeved with the outer wall of the spray pipe (1) and the connecting rod (201), two time relays are arranged in the push rod motor (2), the spray switch (203) and the flushing switch (204) are respectively connected with the time relays, a moving stroke matched with the limit baffle (202) is left between the spray switch (203) and the flushing switch (204), and a limit block with a rotation degree of 30 degrees is arranged at the connecting shaft between the spray pipe (1) and the spray nozzle (101).

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