CN217814183U - Centrifugal pump with prevent silt and block up function - Google Patents

Abstract

The utility model discloses a centrifugal pump with prevent silt jam function relates to the centrifugal pump technology field, including the servo motor and the pump body, the one side at servo motor is installed to the pump body, be equipped with inlet and liquid outlet on the pump body, the externally mounted of inlet has the filter tube, the pump shaft is installed to servo motor's drive end, the inside of filter tube is equipped with the filtering mechanism who is used for filtering silt, filtering mechanism includes installing frame and filter screen, the installing frame slides and sets up the inside at the filter tube, be equipped with installation mechanism on the installing frame, the filter screen constitutes fixedly through installation mechanism and installing frame. The utility model discloses in, the vibrations mechanism of setting can make the filter screen be in the state of rocking, utilizes rocking of filter screen can shake the silt that adheres to its surface and fall, prevents that silt from blockking up the filter screen, and the installation mechanism of setting makes things convenient for the installation and the dismantlement of filter screen, is convenient for overhaul the filter screen and maintains, satisfies the in-service use demand.

Description

Centrifugal pump with prevent silt and block up function

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a centrifugal pump with prevent silt and block up function.

Background

The centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are required to be filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

The prior patent (publication number: CN 207660844U) provides a centrifugal pump, which comprises a mounting base, a servo motor and a pump body, wherein the top of the mounting base is provided with the servo motor, one side of the servo motor is provided with the pump body, the output end of the servo motor is connected with a pump shaft, one end of the pump shaft is provided with an impeller, the servo motor is in transmission connection with the impeller through the pump shaft, the top of the pump body is provided with a liquid outlet, the outer wall of the liquid outlet is provided with a pressure gauge, the water inlet side of the impeller is provided with a filter screen, the bottom of the filter screen is provided with a sewage discharge outlet, the periphery of the axle center of the impeller is provided with a fixed screw hole, and a water drainage groove is formed in the wheel blade of the impeller. Simple structure, the practicality is strong, not only can separate the impurity that gets into the aquatic before the centrifugal pump, can discharge the impurity of crossing the filtration moreover to improve the life of centrifugal pump greatly, increase the economic benefits of enterprise.

The centrifugal pump described above has the following disadvantages when in use: the filter screen is fixed setting usually, and the dismantlement of being not convenient for after the filter screen damages is changed, is difficult to satisfy the in-service use demand, and easily adheres at the filter screen surface at filterable in-process silt, influences filtration efficiency, and for this reason, we propose a centrifugal pump with prevent silt and block up the function and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifugal pump with prevent silt and block up function has solved the filter screen and has set up for fixed usually, and the dismantlement change of being not convenient for after the filter screen damages is difficult to satisfy the in-service use demand, and easily adheres at the filter screen surface at filterable in-process silt, influences filtration efficiency's technical problem.

In order to solve the technical problem, the utility model provides a pair of centrifugal pump with prevent silt jam function, including the servo motor and the pump body, the one side at servo motor is installed to the pump body, be equipped with inlet and liquid outlet on the pump body, the externally mounted of inlet has the filter tube, the pump shaft is installed to servo motor's drive end, the inside of filter tube is equipped with the filtering mechanism who is used for filtering silt, filtering mechanism includes installing frame and filter screen, the installing frame slides and sets up the inside at the filter tube, be equipped with installation mechanism on the installing frame, the filter screen constitutes fixedly through installation mechanism and installing frame, the inside of filter tube still is equipped with the vibrations mechanism that is used for controlling the filter screen and rocks.

Preferably, vibrations mechanism includes pivot, worm wheel, eccentric wheel, backup pad, slide bar, limiting plate and reset spring, the pivot is rotated and is installed in the inside of filter tube, the end connection of worm and pump shaft, install the worm wheel of being connected with the worm meshing in the pivot, the eccentric wheel is all installed with the lower part in pivot upper portion, the backup pad is installed on the inner wall of filter tube, slide bar slidable mounting is in the backup pad, the limiting plate is installed to the one end of slide bar, the limiting plate is contradicted with the eccentric wheel and is connected, the other end and the installing frame lateral wall of slide bar are connected, the reset spring cover is established on the slide bar, reset spring's one end and backup pad lateral wall are connected, the reset spring other end is connected with the installing frame lateral wall, can make the filter screen be in the state of rocking, utilize rocking of filter screen can shake the silt that adheres to its surface and fall, prevent silt jam filter screen for the filter effect is better.

Preferably, the mounting mechanism comprises a clamping block, a threaded rod, a rotating rod, a driving bevel gear and a driven bevel gear, a plurality of mounting grooves are formed in the mounting frame, the clamping block is slidably mounted inside the mounting grooves, the threaded rod is rotatably mounted inside the mounting grooves, the clamping block is in threaded connection with the threaded rod, a clamping groove is formed in the filter screen, the clamping block is clamped inside the clamping groove, the rotating rod is rotatably mounted on the mounting frame, the driving bevel gear is mounted at one end, extending to the inside of the mounting grooves, of the rotating rod, the driven bevel gear is mounted on the threaded rod, the driving bevel gear is meshed with the driven bevel gear to be connected with the filter screen, the filter screen is convenient to mount and dismount, the filter screen is convenient to overhaul and maintain, and the actual use requirements are met.

Preferably, the material of filter screen is stainless steel, the thickness of filter screen is 3cm, has prolonged the life of filter screen.

Preferably, the bearing is installed to the tip of pivot, the pivot passes through the bearing and constitutes to rotate with the inner wall of filter tube and is connected for the pivot rotates more stably.

Preferably, the mounting groove is square groove, the fixture block is square tubular construction, prevents that the fixture block from taking place to rotate in the inside of mounting groove.

Preferably, the inside of fixture block is seted up threaded blind hole, the inside of threaded blind hole is equipped with the internal thread, the outer wall of threaded rod is equipped with the external screw thread with internal thread looks adaptation, makes fixture block and threaded rod constitute threaded connection through the threaded blind hole that sets up.

Preferably, the rotating block is installed at the end of the rotating rod and arranged outside the installation frame, so that the rotating rod can rotate more conveniently.

Compared with the prior art, the utility model provides a pair of centrifugal pump with prevent silt and block up function has following beneficial effect:

1. the utility model discloses in, rotate through servo motor drive pump shaft, the pump shaft drives the worm and rotates, worm meshing worm wheel makes the pivot rotate, the pivot drives the eccentric wheel and rotates, and then combines reset spring's supporting role, can control and promote the slide bar, the slide bar drives the installing frame synchronous motion when removing, can make the filter screen be in the state of rocking when the installing frame removes, utilize rocking of filter screen can shake to adhere to silt on its surface and fall, prevent that silt from blockking up the filter screen.

2. The utility model discloses in, drive the initiative bevel gear through rotating the bull stick and rotate, initiative bevel gear drives driven bevel gear and rotates, and driven bevel gear drives the threaded rod and rotates, makes the fixture block slide to the inside of mounting groove, and then makes the inside of draw-in groove of seting up from the filter screen break away from, alright take out the filter screen from the mounting frame is inside, makes things convenient for the installation and the dismantlement of filter screen, is convenient for overhaul the filter screen and maintains, satisfies the in-service use demand.

Drawings

FIG. 1 is a schematic view showing a centrifugal pump having a function of preventing clogging with silt;

FIG. 2 is a schematic sectional view showing a centrifugal pump having a function of preventing clogging with silt;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

The reference numbers in the figures: 1. a servo motor; 2. a pump body; 3. a liquid inlet; 4. a liquid outlet; 5. a filter tube; 6. a pump shaft; 7. installing a frame; 8. filtering with a screen; 9. a rotating shaft; 10. a worm; 11. a worm gear; 12. an eccentric wheel; 13. a support plate; 14. a slide bar; 15. a limiting plate; 16. a return spring; 17. a clamping block; 18. a threaded rod; 19. a rotating rod; 20. a drive bevel gear; 21. a driven bevel gear.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Embodiment one, given by fig. 1-4, a centrifugal pump with prevent silt jam function, including servo motor 1 and the pump body 2, the pump body 2 is installed in one side of servo motor 1, be equipped with inlet 3 and liquid outlet 4 on the pump body 2, the externally mounted of inlet 3 has filter tube 5, pump shaft 6 is installed to servo motor 1's drive end, the inside of filter tube 5 is equipped with the filtering mechanism who is used for filtering silt, filtering mechanism includes installing frame 7 and filter screen 8, installing frame 7 slides and sets up the inside at filter tube 5, be equipped with installation mechanism on installing frame 7, filter screen 8 constitutes fixedly through installation mechanism and installing frame 7, the inside of filter tube 5 still is equipped with the vibrations mechanism that is used for controlling filter screen 8 to rock, be used for driving pump body 2 internal impeller pivoted driving piece to servo motor 1, for current well-known product, no longer give details in this application, install the inside at the pump shaft 2 to pump shaft 6 is usually rotated, all be integrated into one piece on the pump body 2 to inlet 3 and liquid outlet 4.

In the second embodiment, as shown in fig. 1-3, based on the first embodiment, the vibration mechanism includes a rotating shaft 9, a worm 10, a worm wheel 11, an eccentric wheel 12, a supporting plate 13, a sliding rod 14, a limiting plate 15, and a return spring 16, the rotating shaft 9 is rotatably installed inside the filter tube 5, the worm 10 is connected to the end of the pump shaft 6, the rotating shaft 9 is installed with the worm wheel 11 engaged with the worm 10, the eccentric wheel 12 is installed on both the upper and lower portions of the rotating shaft 9, the supporting plate 13 is installed on the inner wall of the filter tube 5, the sliding rod 14 is slidably installed on the supporting plate 13, the limiting plate 15 is installed at one end of the sliding rod 14, the limiting plate 15 is in abutting connection with the eccentric wheel 12, the other end of the sliding rod 14 is connected to the side wall of the mounting frame 7, the return spring 16 is sleeved on the sliding rod 14, one end of the return spring 16 is connected to the side wall of the supporting plate 13, the other end of the return spring 16 is connected to the side wall of the mounting frame 7, the filter screen 8 can be in a shaking state, silt adhered to be shaken by shaking of the filter screen 8, the shaking screen 8 to prevent the filter screen 8 from blocking the filter screen 8, so that the filter screen 10 is better, the filter screen 10 is normally fixed to the end of the worm 6, the worm wheel 10, the rotating shaft is further, the eccentric wheel is driven by the rotating shaft 10, and the rotating shaft 9, the eccentric wheel 12, and the eccentric wheel 12 to be matched with the rotating shaft to rotate, and the eccentric wheel 12, and the eccentric wheel 9, and the eccentric wheel 14 to clean the eccentric wheel 14.

In the third embodiment, as shown in fig. 2 and 4, on the basis of the first embodiment, the mounting mechanism includes a fixture block 17, a threaded rod 18, a rotating rod 19, a drive bevel gear 20 and a driven bevel gear 21, a plurality of mounting grooves are formed in the mounting frame 7, the fixture block 17 is slidably mounted inside the mounting grooves, the threaded rod 18 is rotatably mounted inside the mounting grooves, the fixture block 17 is in threaded connection with the threaded rod 18, a clamping groove is formed in the filter screen 8, the fixture block 17 is clamped inside the clamping groove, the rotating rod 19 is rotatably mounted on the mounting frame 7, the drive bevel gear 20 is mounted at one end of the rotating rod 19 extending into the mounting grooves, the driven bevel gear 21 is mounted on the threaded rod 18, the drive bevel gear 20 is in meshed connection with the driven bevel gear 21, so that the filter screen 8 can be conveniently mounted and dismounted, the maintenance of the filter screen 8 is facilitated, the practical use requirements are met, the fixture block 17 can slide inside the mounting grooves, the threaded rod can be matched by the rotating rod 19, the drive bevel gear 20 and the driven bevel gear 21, the threaded rod 18 to enable the fixture block 17 to stably clamped inside the clamping groove, and further fix the filter screen 8.

In order to make the filter screen 8 difficult to be corroded by liquid, the material of the filter screen 8 is stainless steel, the thickness of the filter screen 8 is 3cm, and the service life of the filter screen 8 is prolonged.

In order to prevent the rotating shaft 9 from shaking in the rotating process, the end part of the rotating shaft 9 is provided with a bearing, and the rotating shaft 9 is rotatably connected with the inner wall of the filter pipe 5 through the bearing, so that the rotating shaft 9 is more stable to rotate.

In order to make fixture block 17 can be in the inside of mounting groove stable slip, the mounting groove is square groove, and fixture block 17 is square tubular construction, prevents that fixture block 17 from taking place to rotate in the inside of mounting groove.

In order to enable the fixture block 17 to be in threaded connection with the threaded rod 18, a threaded blind hole is formed in the fixture block 17, an internal thread is arranged in the threaded blind hole, an external thread matched with the internal thread is arranged on the outer wall of the threaded rod 18, and the fixture block 17 and the threaded rod 18 are in threaded connection through the arranged threaded blind hole.

In order to rotate the rotating rod 19 conveniently, a rotating block is installed at the end part of the rotating rod 19 and is arranged outside the installation frame 7, so that the rotating rod 19 can rotate more conveniently.

The working principle is as follows: the pump shaft 6 is driven to rotate by the servo motor 1, the pump shaft 6 drives the worm 10 to rotate, the worm 10 is meshed with the worm wheel 11 to enable the rotating shaft 9 to rotate, the rotating shaft 9 drives the eccentric wheel 12 to rotate, further, the supporting effect of the reset spring 16 is combined, the sliding rod 14 can be pushed leftwards and rightwards, the sliding rod 14 drives the mounting frame 7 to synchronously move when moving, the mounting frame 7 can enable the filter screen 8 to be in a shaking state when moving, silt adhered to the surface of the filter screen 8 can be shaken off by shaking of the filter screen 8, the filter screen 8 is prevented from being blocked by the silt, the driving bevel gear 20 is driven to rotate by rotating the rotating rod 19, the driving bevel gear 20 drives the driven bevel gear 21 to rotate, the driven bevel gear 21 drives the threaded rod 18 to rotate, the clamping block 17 slides towards the inside of the mounting groove, the clamping block 17 is further separated from the inside of a clamping groove formed in the filter screen 8, the filter screen 8 can be taken out from the inside of the mounting frame 7, the mounting and the filter screen 8 are convenient to install and disassemble, the filter screen 8 is convenient to overhaul and maintain, and meet the actual use requirements.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a centrifugal pump with prevent silt and block up function, includes servo motor (1) and the pump body (2), its characterized in that, one side in servo motor (1) is installed in the pump body (2), be equipped with inlet (3) and liquid outlet (4) on the pump body (2), the externally mounted of inlet (3) has filter tube (5), pump shaft (6) are installed to the drive end of servo motor (1), the inside of filter tube (5) is equipped with the filtering mechanism who is used for filtering silt, filtering mechanism includes installing frame (7) and filter screen (8), installing frame (7) slide and set up the inside at filter tube (5), be equipped with installation mechanism on installing frame (7), filter screen (8) constitute fixedly through installation mechanism and installing frame (7), the inside of filter tube (5) still is equipped with the vibrations mechanism that is used for controlling filter screen (8) and rocks.

2. The centrifugal pump with function of preventing silt from blocking up of claim 1, characterized in that, vibrations mechanism includes pivot (9), worm (10), worm wheel (11), eccentric wheel (12), backup pad (13), slide bar (14), limiting plate (15) and reset spring (16), pivot (9) are rotated and are installed in the inside of filter tube (5), the end connection of worm (10) and pump shaft (6), install worm wheel (11) of being connected with worm (10) meshing in pivot (9), eccentric wheel (12) are all installed with the lower part in pivot (9) upper portion, backup pad (13) is installed on the inner wall of filter tube (5), slide bar (14) slidable mounting is on backup pad (13), limiting plate (15) is installed to the one end of slide bar (14), limiting plate (15) is contradicted with eccentric wheel (12) and is connected, the other end and the mounting frame (7) lateral wall of slide bar (14) are connected, reset spring (16) cover is established on slide bar (14), the one end and the backup pad (13) other end of reset spring (16) lateral wall are connected, reset spring (16) is connected with the mounting frame (7) lateral wall.

3. The centrifugal pump with the function of preventing silt blockage according to claim 1, wherein the mounting mechanism comprises a fixture block (17), a threaded rod (18), a rotating rod (19), a driving bevel gear (20) and a driven bevel gear (21), a plurality of mounting grooves are formed in the mounting frame (7), the fixture block (17) is slidably mounted inside the mounting grooves, the threaded rod (18) is rotatably mounted inside the mounting grooves, the fixture block (17) is in threaded connection with the threaded rod (18), a clamping groove is formed in the filter screen (8), the fixture block (17) is clamped inside the clamping groove, the rotating rod (19) is rotatably mounted on the mounting frame (7), the driving bevel gear (20) is mounted at one end of the rotating rod (19) extending to the inside of the mounting groove, the driven bevel gear (21) is mounted on the threaded rod (18), and the driving bevel gear (20) is in meshed connection with the driven bevel gear (21).

4. A centrifugal pump with silt blockage prevention function according to claim 1, characterized in that the material of the filter screen (8) is stainless steel, and the thickness of the filter screen (8) is 3cm.

5. The centrifugal pump with the function of preventing silt blockage according to claim 2, characterized in that a bearing is installed at the end of the rotating shaft (9), and the rotating shaft (9) is in rotating connection with the inner wall of the filter pipe (5) through the bearing.

6. A centrifugal pump with silt blockage prevention function according to claim 3, characterized in that the mounting groove is a square groove, and the fixture block (17) is a square pipe structure.

7. The centrifugal pump with the function of preventing silt blockage according to claim 3, wherein the fixture block (17) is internally provided with a blind threaded hole, the blind threaded hole is internally provided with an internal thread, and the outer wall of the threaded rod (18) is provided with an external thread matched with the internal thread.

8. A centrifugal pump with silt blockage prevention function according to claim 3, characterized in that a turning block is mounted at the end of the turning rod (19), and the turning block is arranged outside the mounting frame (7).

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