CN219231611U - water irrigation filter - Google Patents

Abstract

The utility model discloses a filter for water conservancy irrigation, which comprises a filter screen cylinder and a scraping mechanism, and the scraping mechanism comprises a scraping pad for conflicting with the inner wall of the filter screen cylinder and an installation strip for installing the scraping pad , a rotating shaft is installed in the filter cylinder, and a connecting assembly is arranged between the rotating shaft and the mounting bar. The connecting assembly includes a connecting pipe mounted on the rotating shaft and a sliding rod slidably arranged in the connecting pipe. The end of the sliding rod away from the rotating shaft is installed on the installation On the bar, a first spring for generating axial thrust on the sliding rod is arranged in the connecting pipe. The application has the effect of improving the scraping efficiency of the scraping pad strip, and further improving the efficiency of water conservancy irrigation.

Description

water irrigation filter

technical field

The utility model relates to the technical field of water conservancy irrigation appliances, in particular to a water conservancy irrigation filter.

Background technique

As people pay more and more attention to the protection of the ecological environment, river management has attracted widespread attention. River management is of great significance to building a good ecological environment. Water irrigation filters play an important role in the process of river management.

In the related art, the Chinese utility model patent whose notification number is CN212119200U discloses a water conservancy irrigation filter, which includes a main casing, the top of the main casing is movably socketed with a top cover, and the top and bottom surfaces of the top cover are installed through There is a water inlet pipe, and the lower surface of the main shell is fixedly equipped with an outlet pipe, and the ends of the water inlet pipe and the outlet pipe are fixedly installed with connecting flanges, and the middle part of the top and bottom surfaces of the top cover is installed with bearings, and the top cover rotates through the bearings A rotating shaft is connected, and a geared motor is fixedly installed in the middle of the top surface of the top cover, and the output end of the geared motor is fixedly connected with the top of the rotating shaft. There is an overlapping ring frame, the bottom surface of the overlapping ring frame is bonded with a fastening washer, the inner wall of the overlapping ring frame is fixedly installed with a filter mesh cylinder, the inside and outside of the filter mesh cylinder are penetrated with filter mesh holes, and the lower surface of the rotating shaft A connecting rod is fixedly installed, and the end of the connecting rod away from the rotating shaft is fixedly installed with a mounting bar, and the side of the mounting bar away from the connecting rod is fixedly installed with a scraping pad, and the side of the scraping pad far away from the mounting bar is connected to the filter cylinder. Barrel wall sliding lap.

In view of the above-mentioned related technologies, the rotating shaft, the connecting rod, the mounting strip and the scraping pad constitute a scraping mechanism, and one side of the scraping pad slides and overlaps with the filter cylinder. When the rotating shaft rotates, the rotating shaft drives the scraping pad through the connecting rod. The bar rotates in the filter cylinder and scrapes off the attachments on the inner wall of the filter cylinder to improve the filtration efficiency of the filter cylinder. However, there is often an error in the roundness of the filter cylinder during the production process. Since the length of the connecting rod is fixed, the scraping pad strip and the filter pad will be lost in the process of scraping the inner peripheral wall of the filter screen cylinder. There may be gaps between the screen cylinders, thereby reducing the scraping efficiency of the scraping pads, thereby reducing the efficiency of water conservancy irrigation.

Utility model content

In order to improve the scraping efficiency of the scraping pad, and then improve the efficiency of water conservancy irrigation, the application provides a filter for water conservancy irrigation.

A water conservancy irrigation filter provided by the application adopts the following technical scheme:

A water conservancy irrigation filter, comprising a filter screen cylinder and a scraping mechanism, the scraping mechanism includes a scraping pad for conflicting with the inner wall of the filter screen cylinder and an installation device for installing the scraping pad A rotating shaft is installed in the filter cylinder, and a connecting assembly is arranged between the rotating shaft and the installation bar, and the connecting assembly includes a connecting pipe mounted on the rotating shaft and a connecting pipe slidingly arranged A sliding rod, the end of the sliding rod far away from the rotating shaft is installed on the installation bar, and a first spring for generating an axial thrust on the sliding rod is arranged in the connecting pipe.

By adopting the above technical scheme, the sliding rod is installed inside the connecting pipe, the end of the sliding rod far away from the rotating shaft is connected with the mounting bar, the scraping pad is installed on the mounting bar, the first spring is installed in the connecting pipe, and the first spring generates a With the thrust of the sliding rod approaching the inner wall of the filter screen cylinder, the sliding rod pushes the scraping pad to always conflict with the inner wall of the filter screen cylinder, thereby improving the scraping efficiency of the scraping pad, thereby improving the efficiency of water conservancy and irrigation.

Preferably, a limiting groove is provided on the side wall of the connecting pipe, a limiting block is installed on the sliding rod, and the limiting block is slidably arranged in the limiting groove.

By adopting the above technical scheme, the limiting block is installed on the sliding rod, and the inner peripheral wall of the connecting pipe is provided with a limiting groove, and the limiting block is slidably arranged in the limiting groove, and the limiting block prevents the sliding rod from detaching from the connecting pipe, thereby strengthening the sliding rod The stability of the connection with the connecting pipe.

Preferably, a dovetail groove is provided on the installation bar, the dovetail groove communicates with the end surface of the installation bar, a dovetail block is installed on the scraping pad, and the dovetail block is slidably arranged in the dovetail groove Inside.

By adopting the above technical scheme, the dovetail block is slidably arranged in the dovetail groove, and the dovetail groove is connected with the end face of the installation bar, and the sliding dovetail block makes the dovetail block disengage from the dovetail groove, so that the scraping pad and the installation bar are dissociated for easy replacement Scrape off the gasket.

Preferably, a sliding groove is provided on the dovetail block, a sliding hole is provided on the mounting bar, an anti-off component is arranged in the sliding hole, and the anti-off component includes one end that can be inserted into the sliding slot The sliding pin is slidably disposed in the sliding hole, and the anti-falling assembly further includes an elastic member for preventing the sliding pin from sliding away from the sliding groove.

By adopting the above technical solution, the sliding pin is slidably arranged in the sliding hole, and the end of the sliding pin close to the sliding groove can be inserted into the sliding groove, and the sliding pin engages the scraping pad strip with the installation strip, and the sliding pin hinders the scraping pad The strip is separated from the installation strip during the scraping process, which enhances the stability of the connection between the scraping pad strip and the installation strip.

Preferably, a stopper is installed on the sliding pin, a stopper groove is opened on the side wall of the sliding hole, and the stopper is slidably disposed in the stopper groove.

By adopting the above technical solution, a stopper is installed on the sliding pin, and the stopper is slidably arranged in the stop groove, and the stopper prevents the sliding pin from leaving the sliding hole, thereby enhancing the stability of the connection between the sliding pin and the mounting bar.

Preferably, the elastic member includes a second spring installed in the blocking groove, one end of the second spring is in conflict with the side wall of the blocking groove away from the dovetail block, and the other end of the second spring is One end is in conflict with the side of the stopper away from the dovetail block.

By adopting the above-mentioned technical scheme, the end of the second spring far away from the stopper is in conflict with the side wall of the stopper groove, and the end of the second spring close to the stopper is in conflict with the stopper, and the second spring generates a force for the stopper to approach the dovetail block. The elastic force, the stop block drives the sliding pin to conflict with the inner wall of the sliding groove, thereby enhancing the stability of the clamping connection between the sliding pin and the dovetail block.

Preferably, a casing is installed on the outside of the filter cylinder, a block is installed on the inner wall of the casing, a slot is opened on the block, a clamping block is installed on the filter cylinder, and the clip The connecting block is snapped into the slot.

By adopting the above-mentioned technical scheme, the clamping block is installed on the inner wall of the casing, the clamping block is provided with a clamping groove, the clamping block is installed on the filter screen cylinder, and the clamping block is clamped in the clamping groove, thereby strengthening the filter screen cylinder and the shell cylinder The stability of the connection.

Preferably, a top cover is installed on the shell, a screw rod is installed on the top cover, a through hole is opened on the top cover, a screw hole is opened on the top surface of the shell tube, and the screw rod is slidably set In the through hole, one end of the screw rod close to the screw hole is screwed into the screw hole.

By adopting the above technical solution, the screw rod is slidably arranged in the through hole, and one end of the screw rod close to the screw hole is threaded into the screw hole, thereby enhancing the stability of the connection between the top cover and the casing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The sliding rod is installed inside the connecting pipe, the end of the sliding rod far away from the rotating shaft is connected to the mounting bar, the scraper pad is installed on the mounting bar, the first spring is installed in the connecting pipe, and the first spring generates the filter for the sliding rod The thrust of the inner wall of the screen cylinder is close, and the sliding rod pushes the scraping pad to always conflict with the inner wall of the filter screen cylinder, thereby improving the scraping efficiency of the scraping pad, thereby improving the efficiency of water conservancy irrigation;

2. The dovetail block is slidably set in the dovetail groove, and the dovetail groove is connected with the end face of the installation bar. The sliding dovetail block makes the dovetail block detach from the dovetail groove, so that the scraping pad and the installation bar are separated, which is convenient for replacing the scraping pad ;

3. The sliding pin is slidably set in the sliding hole. The end of the sliding pin close to the sliding groove can be inserted into the sliding groove. The sliding pin connects the scraping pad with the installation strip. The sliding pin hinders the scraping pad due to gravity And slide away from the mounting bar, the stability of the connection between the scraping pad and the mounting bar is enhanced.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the filter in the embodiment of the present application.

Fig. 2 is a cross-sectional view of the casing in the embodiment of the present application.

Fig. 3 is a cross-sectional view of the mounting strip and the scraping pad strip in the embodiment of the present application.

Fig. 4 is a cross-sectional view of the connecting pipe and the sliding rod in the embodiment of the present application.

Explanation of reference signs:

1. Shell tube; 11. Screw hole; 12. Block; 121. Card slot; 13. Drain pipe; 14. Drainage cover; 2. Filter cylinder; 21. Clamping block; 3. Top cover; 31. Pass Hole; 32, water inlet pipe; 33, shaft hole; 4, screw rod; 5, scraping mechanism; 51, rotating shaft; 52, motor; 53, scraping pad; 531, dovetail block; 5311, sliding groove; Bar; 541, dovetail groove; 5411, sliding hole; 5412, retaining groove; 55, connecting assembly; 551, connecting pipe; 5511, limiting groove; 552, sliding rod; 5521, limiting block; 56. Anti-off assembly; 561. Slide pin; 5611. Block; 562. Elastic member; 5621. Second spring.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses a water conservancy irrigation filter. Referring to Fig. 1 and Fig. 2, the water conservancy irrigation filter includes a shell tube 1, a filter screen tube 2, a top cover 3, a screw rod 4 and a scraping mechanism 5. The top surface of the top cover 3 is provided with two through holes 31, and the two through holes 31 are symmetrical with respect to the central axis of the top cover 3. The top surface of the shell tube 1 is provided with two screw holes 11, and the two screw holes 11 The central axes of the two through holes 31 coincide with the central axes respectively, the screw rod 4 is vertically slidably arranged in the through holes 31, the screw rod 4 passes through the through holes 31, and the end of the screw rod 4 close to the screw hole 11 is threadedly connected with the screw hole 11 .

Referring to Fig. 2, two blocks 12 are welded and fixed on the inner wall of the shell 1, and the two blocks 12 are symmetrical with respect to the central axis of the shell 1, and a slot 121 is opened on the top surface of the block 12. The groove 121 communicates with the side of the clamping block 12 away from the inner wall of the filter screen cylinder 2. Two clamping blocks 21 are welded and fixed on the filter screen cylinder 2, and the two clamping blocks 21 are respectively clamped in the two clamping grooves 121.

Referring to FIG. 2 , a drain pipe 13 communicates with the bottom of the casing 1 , the drain pipe 13 is welded and fixed on the casing 1 , and a drain cover 14 is threaded on the drain pipe 13 . Welding is fixed with water inlet pipe 32 on the top cover 3, and the end surface of water inlet pipe 32 bottoms is flush with top cover 3 bottom surfaces, and the staff injects the river water to be filtered in filter screen tube 2 by water inlet pipe 32.

Referring to FIG. 2 and FIG. 3 , the scraping mechanism 5 includes a rotating shaft 51 , a motor 52 , a scraping pad 53 , a mounting strip 54 , a connection assembly 55 and an anti-off assembly 56 . A shaft hole 33 is provided at the central axis of the top surface of the top cover 3, and a rotating shaft 51 is rotatably disposed in the shaft hole 33. The motor 52 is fixedly connected to the top surface of the top cover 3, and the rotating shaft 51 is welded and fixed on the output shaft of the motor 52. The rotating shaft 51 is vertically rotatably arranged in the filter cylinder 2 .

Referring to Fig. 3 and Fig. 4, the installation bar 54 is vertically arranged in the filter screen cylinder 2, and two sets of connecting assemblies 55 are arranged between the installing bar 54 and the rotating shaft 51, and the two groups of connecting assemblies 55 are distributed along the length direction of the rotating shaft 51 The connecting assembly 55 includes a connecting pipe 551 , a sliding rod 552 and a first spring 553 , the connecting pipe 551 is welded and fixed on the rotating shaft 51 horizontally, and the sliding rod 552 is slidably disposed in the connecting pipe 551 .

4, the first spring 553 is arranged in the connecting tube 551, one end of the first spring 553 near the rotating shaft 51 is in conflict with the rotating shaft 51, and the other end of the first spring 553 is in conflict with the end of the sliding rod 552 near the rotating shaft 51. . The first spring 553 generates a thrust for the sliding rod 552 to approach the inner wall of the filter screen cylinder 2 .

Referring to FIG. 4 , a limiting groove 5511 is provided on the inner peripheral wall of the connecting pipe 551 , a limiting block 5521 is welded and fixed on the sliding rod 552 , and the limiting block 5521 is slidably disposed in the limiting groove 5511 . The limit block 5521 prevents the sliding rod 552 from detaching from the connecting pipe 551 , and enhances the stability of the connection between the sliding rod 552 and the connecting pipe 551 .

Referring to Fig. 2, the mounting bar 54 is welded and fixed on the outer peripheral surface of the sliding rod 552, the mounting bar 54 is provided with a dovetail groove 541 on the side away from the rotating shaft 51, the dovetail groove 541 communicates with the top surface of the mounting bar 54, scraping off the gasket A dovetail block 531 is fixedly connected to the side of the mounting bar 53 close to the mounting bar 54 , and the dovetail block 531 is slidably disposed in the dovetail groove 541 . The top surface and the bottom surface of the scraping pad strip 53 are flush with the top surface and the bottom surface of the mounting strip 54 respectively.

2 and 4, under the thrust of the first spring 553, the sliding rod 552 pushes the scraping pad 53 to always conflict with the inner wall of the filter cylinder 2, thereby improving the scraping efficiency of the scraping pad 53, Thereby improving the efficiency of water conservancy irrigation.

Referring to Fig. 3, the side of the dovetail block 531 close to the rotating shaft 51 is provided with sliding grooves 5311, there are two sliding grooves 5311, and the two sliding grooves 5311 are distributed along the length direction of the mounting bar 54, and the dovetail groove 541 is away from the side wall of the rotating shaft 51 There are two sliding holes 5411 on the top, the central axes of the two sliding grooves 5311 coincide with the central axes of the two sliding holes 5411 respectively, the anti-off assembly 56 is arranged in the sliding holes 5411, and the anti-off assembly 56 includes sliding pins 561 and The elastic member 562 and the sliding pin 561 are slidably disposed in the sliding hole 5411 .

Referring to FIG. 3 , a blocking groove 5412 is opened on the side wall of the sliding hole 5411 , a blocking block 5611 is welded and fixed on the sliding pin 561 , and the blocking block 5611 is slidably disposed in the blocking groove 5412 . The block 5611 prevents the sliding pin 561 from disengaging from the sliding hole 5411 , thereby enhancing the stability of the connection between the sliding pin 561 and the mounting bar 54 .

Referring to Figure 3, the elastic member 562 includes a second spring 5621, the second spring 5621 is installed in the stop groove 5412, one end of the second spring 5621 is in conflict with the side wall of the stop groove 5412 away from the dovetail block 531, and the second spring 5621 The other end of the block 5611 is in conflict with the side of the block 5611 away from the dovetail block 531 . The second spring 5621 generates an elastic force for the block 5611 to approach the dovetail block 531, so that one end of the sliding pin 561 can be more stably inserted into the sliding groove 5311, and the stability of the engagement between the sliding pin 561 and the dovetail block 531 is enhanced.

The implementation principle of a kind of water conservancy irrigation filter in the embodiment of the present application is:

When using the water conservancy irrigation filter to filter the sewage, the sewage is injected into the filter screen cylinder 2 from the water inlet pipe 32, and the sewage flows into the shell cylinder 1 after being filtered by the filter screen cylinder 2, and the drain cover 14 on the drain pipe 13 is opened. The filtered water is discharged from the drain pipe 13 .

When the filter screen cylinder 2 needs to be cleaned, turn on the motor 52, the motor 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the sliding rod 552 in the connecting pipe 551 to rotate, and the sliding rod 552 drives the scraping pad 53 on the mounting bar 54 to rotate , The scraper strip 53 rotates along the inner wall of the filter screen cylinder 2 to scrape off the impurities on the inner wall of the filter screen cylinder 2 . The first spring 553 produces a thrust for the sliding rod 552 to approach the inner wall of the filter screen cylinder 2, and the sliding rod 552 pushes the scraping pad 53 to always be in conflict with the inner wall of the filter screen cylinder 2, reducing the error that often exists due to the roundness of the filter screen cylinder 2 And affect the possibility of scraping pad strip 53 scraping efficiency.

Rotate the screw 4 until the bottom surface of the screw 4 disengages from the screw hole 11, the top cover 3 is dissociated from the shell 1, lift the filter cylinder 2 upwards, so that the clamping block 21 is separated from the clamping block 12, and continue to lift the filter cylinder upward until the filter cylinder 2 is separated from the shell tube 1, so that the filter screen tube 2 is dissociated from the shell tube 1, which is convenient for cleaning the impurities remaining on the inner bottom wall of the filter screen tube 2.

When it is necessary to replace the scraper gasket, dissociate the top cover 3 from the shell tube 1, lift the filter screen tube 2 upwards, so that the filter screen tube 2 is separated from the shell tube 1, and move the sliding pin 561 away from the sliding groove 5311 The sliding pin 561 is separated from the sliding groove 5311, and the scraping gasket is slid upwards, so that the scraping gasket and the mounting bar 54 are dissociated, so that the scraping gasket 53 can be easily replaced.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. A water conservancy irrigation filter, comprising a filter screen cylinder (2) and a scraping mechanism (5), characterized in that: the scraping mechanism (5) includes a The conflicting scraping pad (53) and the installation strip (54) for installing the scraping pad (53), the rotating shaft (51) is arranged in the filter screen cylinder (2), and the rotating shaft ( 51) and the installation bar (54) are provided with a connecting assembly (55), and the connecting assembly (55) includes a connecting pipe (551) installed on the rotating shaft (51) and slidingly arranged on the connecting pipe (551). The sliding rod (552) in the tube (551), the end of the sliding rod (552) away from the rotating shaft (51) is installed on the mounting bar (54), and the connecting tube (551) is provided with a A first spring (553) generating an axial thrust on said sliding rod (552). 2. A water conservancy irrigation filter according to claim 1, characterized in that: a limiting groove (5511) is provided on the inner peripheral wall of the connecting pipe (551), and a limiting groove (5511) is installed on the sliding rod (552). block (5521), the limiting block (5521) is slidably disposed in the limiting groove (5511). 3. A water conservancy irrigation filter according to claim 1, characterized in that: a dovetail groove (541) is opened on the installation bar (54), and the dovetail groove (541) is connected with the installation bar (54) ) are connected to each other, and a dovetail block (531) is installed on the scraper strip (53), and the dovetail block (531) is slidably arranged in the dovetail groove (541). 4. A water conservancy irrigation filter according to claim 3, characterized in that: the dovetail block (531) is provided with a sliding groove (5311), and the mounting bar (54) is provided with a sliding hole (5411 ), the sliding hole (5411) is provided with an anti-off component (56), and the anti-off component (56) includes a sliding pin (561) whose end can be inserted into the sliding groove (5311), the The sliding pin (561) is slidably arranged in the sliding hole (5411), and the anti-loosening component (56) also includes elastic elements for preventing the sliding pin (561) from sliding away from the sliding groove (5311). pieces (562). 5. A water conservancy irrigation filter according to claim 4, characterized in that: a stopper (5611) is installed on the sliding pin (561), and a stopper is provided on the side wall of the sliding hole (5411). slot (5412), the block (5611) is slidably disposed in the slot (5412). 6. A water conservancy irrigation filter according to claim 5, characterized in that: the elastic member (562) includes a second spring (5621) installed in the retaining groove (5412), and the second One end of the spring (5621) is in conflict with the side wall of the stop groove (5412) away from the dovetail block (531), and the other end of the second spring (5621) is far away from the stop block (5611). The sides of the dovetail block (531) are in conflict. 7. A water conservancy irrigation filter according to claim 1, characterized in that: a shell (1) is installed outside the filter screen (2), and a block is installed on the inner wall of the shell (1) (12), the clamping block (12) is provided with a clamping groove (121), and the clamping block (21) is installed on the filter screen cylinder (2), and the clamping block (21) is clamped on the in the card slot (121). 8. A water conservancy irrigation filter according to claim 7, characterized in that: a top cover (3) is installed on the casing (1), and a screw rod (4) is installed on the top cover (3) , the top cover (3) is provided with a through hole (31), the top surface of the shell (1) is provided with a screw hole (11), and the screw rod (4) is slidably arranged in the through hole ( 31), one end of the screw rod (4) close to the screw hole (11) is screwed into the screw hole (11).

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