CN220910004U - Non-blocking self-priming pump - Google Patents

Abstract

The application relates to the field of self-priming pumps, in particular to a non-blocking self-priming pump, which comprises a base and a pump body arranged on the base, wherein a motor is arranged between the pump body and the base, a water inlet pipe and a water outlet pipe are arranged on the pump body, a filter assembly is arranged on the water inlet pipe, the filter assembly comprises a filter ring and a filter frame, the filter ring is arranged at a port of the water inlet pipe, the inner wall of the filter ring gradually contracts along the liquid flow direction, the filter frame is arranged on the filter ring, the filter ring and the filter frame are distributed along the liquid flow direction, and the filter frame is positioned at the center of the circumference of the water inlet pipe. According to the application, residues slide along the inner wall of the filter ring along with the liquid on the filter ring, so that the residues are accumulated at the center of the filter frame, and further the possibility that the residues block the planar filter screen and further influence the liquid conveying efficiency of the self-priming pump is reduced.

Description

Non-blocking self-priming pump

Technical Field

The application relates to the field of self-priming pumps, in particular to a non-blocking self-priming pump.

Background

The self-priming pump is a pump capable of automatically sucking liquid, and does not need additional sucking equipment or auxiliary pumps; the self-priming pump works in the principle that liquid is sucked from an inlet through centrifugal force generated by the rotary motion of an impeller in the pump shell and then conveyed to an outlet through a pipeline; when the pump is started, air in the pump shell is pumped out to form vacuum, so that liquid is sucked into the pump shell; as the impeller rotates, the liquid is pushed toward the outlet, completing the delivery of the liquid.

The Chinese patent with the issued publication number of CN214118500U discloses a high suction stroke self-priming pump with a non-blocking structure, which comprises a pump body, a motor, a base and a drain pipe, wherein the motor provides power; through installing first filter screen in the opening part of inlet tube, reduce impurity etc. in the liquid and get into the pump body from the opening part of inlet tube, cause the possibility of jam to the pump body.

When the device uses the first filter screen to block residues in liquid, as the flatness of the first filter screen is improved along with the increase of the service time, more residues are attached to the surface of the first filter screen, and the attached residues block the filter holes of the first filter screen, so that the liquid conveying efficiency of the self-priming pump is reduced.

Disclosure of utility model

In order to reduce the possibility of affecting the liquid conveying efficiency of the self-priming pump due to the blockage of the first filter screen, the application provides a non-blockage self-priming pump.

The application provides a non-blocking self-priming pump which adopts the following technical scheme:

The utility model provides a no jam self priming pump, includes the base and sets up the pump body on the base, be provided with the motor between pump body and the base, be provided with inlet tube and outlet pipe on the pump body, be provided with filter component on the inlet tube, filter component includes filter ring and filter frame, the filter ring sets up in the mouth of pipe department of inlet tube, the inner wall of filter ring contracts gradually along the liquid flow direction, the filter frame sets up on the filter ring, the filter ring distributes and the filter frame is located the central department of inlet tube circumference along the liquid flow direction with the filter frame.

Through adopting above-mentioned technical scheme, when the motor drives the pump body operation, the liquid that waits to extract inhales the pump body from the inlet tube in to derive liquid from outlet pipe department under the suction effect of the pump body, along with pump body operating time's increase, the residue in the liquid that waits to extract is attached gradually on filter ring and filter frame, the inner wall of filter ring is followed to the attached residue under the flow effect of liquid slides, make the residue assemble gradually in the central point department of filter frame, reduce the cover filter ring and the filter frame of the great area of residue, and then reduce the possibility that the residue blocks up the filtration pore and influence the suction effect of self priming pump, thereby reduce the possibility that the liquid conveying efficiency of self priming pump reduces.

Optionally, the mounting groove has been seted up on the terminal surface of inlet tube, be provided with the installation piece on the filter ring, the installation piece is pegged graft in the mounting groove, the installation piece can dismantle through the installation component and set up on with the inlet tube.

Through adopting above-mentioned technical scheme, when the filter ring is installed on the inlet tube, the installation piece is pegged graft in the mounting groove, and rethread installation component is fixed the installation piece butt, reduces the possibility that the filter ring breaks away from the inlet tube in the use, is convenient for dismantle and wash the filter ring through installation component simultaneously.

Optionally, the mounting groove includes first cell body and second cell body, first cell body extends along the axis direction of inlet tube, the second cell body is located the bottom of first cell body and communicates with first cell body, the second cell body extends along the circumference of inlet tube, the installation component extends to in the second cell body and with the installation piece butt.

Through adopting above-mentioned technical scheme, when the installation piece grafting is in the mounting groove, the installation piece slides in first cell body earlier, and when the installation piece slides to the diapire department of first cell body, rotates the filter ring, and the installation piece slides to in the second cell body in the circumference of inlet tube, rethread installation component fixed mounting piece, the second cell body reduces the possibility of installation piece slippage inlet tube in the axial of inlet tube.

Optionally, the installation component includes butt piece and mounting bolt, mounting bolt threaded connection is on the inlet tube, mounting bolt extends along the axial of inlet tube, the butt piece slides along the axis direction of inlet tube and sets up on the inlet tube, the butt piece rotates with mounting bolt's tip to be connected, the butt piece slides to in the second cell body and the butt mounting block.

Through adopting above-mentioned technical scheme, when installation component fixed mounting piece, rotate mounting bolt on the inlet tube, mounting bolt's tip drives the butt piece and is close to the installation piece in the second cell body gradually for the butt piece butt installation piece in the second cell body reduces the possibility that the installation piece slided to in the first cell body from the second cell body.

Optionally, be provided with the butt subassembly that is arranged in with installation piece butt in the second cell body on the inlet tube, the butt subassembly includes butt pole and elastic component, offer on the inlet tube with first cell body vertically butt groove, the butt groove is located one side that first cell body was facing away from the second cell body and communicates with first cell body, the butt pole slides and sets up in the butt groove, the one end of elastic component sets up on the cell wall of butt groove, the other end sets up on the butt pole.

Through adopting above-mentioned technical scheme, when the installation piece is arranged in the second cell body, the one end butt that the elastic component was kept away from to the butt pole is on the installation piece, on the one hand, reduces the installation piece and slides in the second cell body, is convenient for artifical the screwing up the installation bolt, on the other hand, when the slippage between butt piece and the installation piece, the butt pole reduces the gliding possibility of installation piece to first cell body.

Optionally, the end that the butt pole extends to first cell body is provided with the extrusion inclined plane on, the extrusion inclined plane extends along the direction slope of first cell body towards the second cell body in the axial of inlet tube, when the installation piece slides in first cell body, the installation piece contacts and extrudes with the extrusion inclined plane for the butt pole extrudes the elastic component in the butt groove.

Through adopting above-mentioned technical scheme, when the installation piece slides to the diapire of first cell body, the edge of installation piece contacts and extrudes the butt pole with the extrusion inclined plane on the butt pole for the butt pole slides in the butt groove, and the butt pole extrudes the elastic component, extrudes the inclined plane and is convenient for the installation piece when sliding in first cell body extrusion butt pole.

Optionally, be provided with the back flush device who is used for washing filter frame and filtering ring on the inlet tube, back flush device includes storage water tank, flushing pipe and ooff valve, the storage water tank sets up on the base, the one end of flushing pipe sets up on the storage water tank, the other end sets up on the inlet tube, the one end that the filter frame was kept away from the storage water tank with the flushing pipe distributes along the liquid flow direction, the delivery port of flushing pipe is towards filter frame and filtering ring, the ooff valve sets up on the inlet tube.

Through adopting above-mentioned technical scheme, after the pump body operation is long, accumulational residue increases gradually in the filter frame, and when the accumulation of residue influences the self-priming effect of the pump body, open the ooff valve on the wash pipe, derive the liquid in the storage water tank along the wash pipe, the liquid of derivation is impacted on filter frame and filter screen, and then clear up filter ring and filter frame on the residue of adhesion, reduce the possibility that the residue influences the operation of self-priming pump.

Optionally, a pressure-increasing valve is arranged at one end of the flushing pipe close to the water inlet pipe, and drives the liquid in the flushing pipe to impact the filtering frame and the filtering ring.

Through adopting above-mentioned technical scheme, when liquid in the storage water tank flows to the booster valve department along the wash pipe, through the pressure boost of booster valve for the liquid impact dynamics of striking on filtering ring and filter frame increases, and then improves the back flush effect of filtering ring and filter frame.

Optionally, the aperture of the filter hole on the filter ring is larger than the aperture of the filter hole on the filter frame.

By adopting the technical scheme, when the filter frame is blocked by the adhesion of residues, the larger filter holes on the filter ring can still be used for flowing liquid, so that the possibility that the filter holes are completely blocked is reduced.

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

1. When the liquid to be conveyed flows at the positions of the filter ring and the filter frame, the liquid and residues in the liquid flow along the inner wall of the filter ring, so that the residues are accumulated at the center of the filter frame, the residues are reduced to block the filter ring and the filter holes on the filter frame, and the possibility of liquid conveying efficiency of the self-priming pump is further reduced;

2. The filter ring is detachably arranged at the water inlet pipe through the mounting assembly, so that the filter ring is convenient to detach and clean;

3. And a back flushing device is arranged between the base and the water inlet pipe, and the back flushing is carried out on the filter ring and the process frame through the flushing pipe, so that the possibility that residues are attached to the filter ring and the filter frame is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

FIG. 2 is a schematic view of the installation of the water inlet pipe and the filter assembly according to the embodiment of the application.

FIG. 3 is a sectional view of a filter ring and mounting assembly in accordance with an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

FIG. 5 is a schematic view of the installation of a backwash assembly in an embodiment of the present application.

Reference numerals illustrate: 1. a base; 11. a pump body; 12. a water inlet pipe; 121. an abutment groove; 13. a water outlet pipe; 2. a motor; 3. a filter assembly; 31. a filter ring; 311. a mounting block; 32. a filter frame; 321. a hexagonal groove; 4. a mounting assembly; 41. a mounting groove; 411. a first tank body; 412. a second tank body; 42. installing a bolt; 43. an abutment block; 5. an abutment assembly; 51. an elastic member; 52. a butt joint rod; 521. extruding the inclined plane; 6. a back flushing device; 61. a water storage tank; 62. a switch valve; 63. a flushing pipe; 631. a first tube body; 632. a second tube body; 64. a pressure increasing valve.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a non-blocking self-priming pump. Referring to fig. 1, the pump comprises a base 1 and a pump body 11 arranged on the base 1, wherein a motor 2 for providing power for the operation of the pump body 11 is arranged between the base 1 and the pump body 11, one end of the pump body 11, which is opposite to the motor 2, is provided with a water inlet pipe 12, and the pump body 11 is also provided with a water outlet pipe 13 communicated with the water inlet pipe 12.

Referring to fig. 1 and 2, a filter assembly 3 is installed at the water inlet of the water inlet pipe 12, and the filter assembly 3 includes a filter ring 31 and a filter frame 32.

The aperture of the filter holes on the filter ring 31 is larger than that of the filter holes on the filter frame 32, when the filter holes on the filter ring 31 are blocked, liquid can flow to the water inlet pipe 12 along the filter holes on the multi-filter ring, and the possibility that the filter holes on the filter ring 31 and the filter frame 32 are completely blocked is reduced.

Referring to fig. 2 and 3, three mounting blocks 311 are mounted on the outer periphery of the filter ring 31, the mounting blocks 311 are detachably mounted with the water inlet pipe 12 through the mounting assembly 4, the inner wall of the filter ring 31 gradually contracts along the flowing direction of the liquid in the water inlet pipe 12, so that when the liquid flows to the water inlet pipe 12 at the filter ring 31, residues and the like slide along the inclined inner wall of the filter ring 31, the filter frame 32 is mounted at the small opening of the filter ring 31 and positioned at the tail end of the filter ring 31, the filter frame 32 is elliptical, the center of the filter frame 32 extends towards the pump body 11 along the water inlet pipe 12, and residues sliding along the inner wall of the filter ring 31 are accumulated at the center of the filter frame 32, so that the possibility that the residues block the filter ring 31 and the filter ring 31 to influence the liquid conveying efficiency of the self-sucking pump is reduced.

Referring to fig. 3 and 4, the water inlet pipe 12 is provided with three mounting grooves 41, the three mounting blocks 311 are uniformly distributed along the circumferential direction of the water inlet pipe 12, the three mounting blocks 311 are in one-to-one correspondence with the three mounting grooves 41 and are in sliding connection, the mounting grooves 41 comprise a first groove 411 and a second groove 412, the first groove 411 extends along the axial direction of the water inlet pipe 12, the first groove 411 penetrates through the end face of the water inlet end of the water inlet pipe 12, the second groove 412 is positioned at the bottom end of the first groove 411, the second groove 412 extends along the circumferential direction of the water inlet pipe 12, the mounting blocks 311 are slidably mounted in the first groove 411 along the axial direction of the water inlet pipe 12, when the mounting blocks 311 slide to the bottom end of the first groove 411, the mounting blocks 311 slide into the second groove 412, and the mounting blocks 311 positioned in the second groove 412 are abutted in the second groove 412 through the abutting components 5.

Referring to fig. 2 and 4, a hexagonal groove 321 is formed in the center of the filter frame 32, and when the installation block 311 needs to rotate on the water inlet pipe 12, the installation block 311 can be conveniently driven to rotate on the water inlet pipe 12 by inserting the hexagonal tool into the hexagonal groove 321 in the filter frame 32 and rotating the hexagonal tool again, so as to drive the installation block 311 to slide from the first groove 411 to the second groove 412.

Referring to fig. 3 and 4, the abutting assembly 5 includes an abutting rod 52 and an elastic member 51, an abutting groove 121 perpendicular to the first groove 411 is formed on the water inlet pipe 12, the abutting groove 121 is located at one side of the first groove 411 opposite to the second groove 412 and is communicated with the first groove 411, the abutting rod 52 is slidably mounted in the abutting groove 121, the elastic member 51 includes an abutting spring, one end of the abutting spring is mounted on a groove wall of the abutting groove 121, the other end of the abutting rod 52 is mounted on the abutting rod 52, one end of the abutting spring is located in the first groove 411, a pressing inclined surface 521 is arranged on the abutting rod 52 located in the first groove 411, the pressing inclined surface 521 extends obliquely in the axial direction of the water inlet pipe 12 along the direction of the first groove 411 towards the second groove 412, the mounting block 311 slides in the first groove 411 to be abutted with the abutting rod 52, the edge of the mounting block 311 is in contact with the pressing inclined surface 521 and presses, the abutting rod 52 slides in the abutting groove 121 under the pressing action of the mounting block 311, and then the second spring 311 slides in the second groove 311 to be mounted on the side of the abutting groove 311 when the abutting block 311 slides out of the second groove 412.

The installation component 4 includes mounting bolt 42 and abutment piece 43, and abutment piece 43 is along the axial slidable mounting of inlet tube 12 on inlet tube 12, and mounting bolt 42 threaded connection is on inlet tube 12, and the tip and the abutment piece 43 of mounting bolt 42 rotate to be connected, and when screwing up mounting bolt 42, abutment piece 43 slides on inlet tube 12 and stretches into in the second cell body 412, along with the continuous rotation of mounting bolt 42, abutment piece 43 will install piece 311 butt on the cell wall of second cell body 412 to fix installation piece 311 in second cell body 412, reduce the possibility that installation piece 311 slides in second cell body 412.

Referring to fig. 1 and 5, a back flushing device 6 is installed between a base 1 and a water inlet pipe 12, the back flushing device 6 comprises a water storage tank 61, a flushing pipe 63 and a switch valve 62, the water storage tank 61 is installed on the base 1, the flushing pipe 63 comprises a first pipe body 631 and a second pipe body 632, one end of the first pipe body 631 is installed on the water storage tank 61, the other end extends towards the water inlet pipe 12, two second pipe bodies 632 are installed, the two second pipe bodies 632 are communicated with one end of the first pipe body 631, which is far away from the water storage tank 61, one end of the two second pipe bodies 632 is communicated with the water inlet pipe 12, the two second pipe bodies 632 are evenly distributed along the circumference of the water inlet pipe 12, the water outlets of the two second pipe bodies 632 face the filter ring 31 and the filter frame 32, the switch valve 62 is installed on the first pipe body 631, when the filter ring 31 and the filter frame 32 are flushed, the liquid in the switch valve 62, the liquid in the first pipe body 632 can be blocked on the filter ring 31 and the filter frame 32, and the residues in the filter ring 31 can be further blocked by the filter ring 31 and the filter frame 32.

The two second pipe bodies 632 are respectively provided with a pressure increasing valve 64, and the pressure increasing valves 64 increase the force of the liquid in the second pipe bodies 632 on the filter ring 31 and the filter frame 32, so that the backwashing effect of the filter ring 31 and the filter frame 32 is improved.

The implementation principle of the non-blocking self-priming pump provided by the embodiment of the application is as follows:

when the self-priming pump works, the motor 2 is started, the motor 2 drives the pump body 11 to operate, so that liquid to be self-priming flows in along the water inlet pipe 12, when the liquid flows in the water inlet pipe 12, residues in the liquid slide along the inclined inner wall of the filter ring 31, so that the residues are accumulated at the center of the filter frame 32, the possibility that the residues are blocked on a planar filter screen is reduced, and then the liquid conveying efficiency of the self-priming pump is affected.

When the filter ring 31 is installed, the installation block 311 is aligned with the first slot 411, the installation block 311 is slid along the axial direction of the water inlet pipe 12, when the installation block 311 is contacted with the abutting rod 52, the installation block 311 presses the abutting rod 52 and compresses the abutting spring, when the installation block 311 slides to the second slot 412, the abutting spring pushes the abutting block 43 to the first slot 411, and the possibility that the installation block 311 slides from the second slot 412 to the first slot 411 is reduced.

When more residues are attached to the filter frame 32 and the filter ring 31, the switch valve 62 is opened, so that the liquid in the water storage tank 61 flows to the second pipe body 632 along the first pipe body 631, and the liquid impacts on the filter frame 32 and the filter ring 31 under the pressurization of the pressurizing valve 64 on the second pipe body 632, so that the residues attached to the filter frame 32 and the filter ring 31 are cleaned, and the possibility that the residues block the filter frame 32 and the filter ring 31 is reduced.

The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The utility model provides a no jam self priming pump, includes base (1) and sets up pump body (11) on base (1), be provided with motor (2) between pump body (11) and base (1), be provided with inlet tube (12) and outlet pipe (13) on pump body (11), be provided with filtration subassembly (3), its characterized in that on inlet tube (12): the filter assembly (3) comprises a filter ring (31) and a filter frame (32), wherein the filter ring (31) is arranged at the pipe orifice of the water inlet pipe (12), the inner wall of the filter ring (31) is gradually contracted along the liquid flow direction, the filter frame (32) is arranged on the filter ring (31), and the filter ring (31) and the filter frame (32) are distributed along the liquid flow direction and are positioned at the center of the circumference of the water inlet pipe (12).

2. A non-clogging self priming pump as in claim 1, wherein: the water inlet pipe (12) is provided with a mounting groove (41) on the end face, the filter ring (31) is provided with a mounting block (311), the mounting block (311) is inserted into the mounting groove (41), and the mounting block (311) is detachably arranged on the water inlet pipe (12) through a mounting assembly (4).

3. A non-clogging self priming pump as claimed in claim 2, wherein: the mounting groove (41) comprises a first groove body (411) and a second groove body (412), the first groove body (411) extends along the axis direction of the water inlet pipe (12), the second groove body (412) is located at the bottom end of the first groove body (411) and is communicated with the first groove body (411), the second groove body (412) extends along the circumferential direction of the water inlet pipe (12), and the mounting assembly (4) extends into the second groove body (412) and is in butt joint with the mounting block (311).

4. A non-clogging self priming pump as in claim 3, wherein: the installation component (4) includes butt piece (43) and mounting bolt (42), mounting bolt (42) threaded connection is on inlet tube (12), mounting bolt (42) are along the axial extension of inlet tube (12), butt piece (43) slide along the axis direction of inlet tube (12) and set up on inlet tube (12), the tip rotation of butt piece (43) and mounting bolt (42) is connected, butt piece (43) slide in second cell body (412) and butt installation piece (311).

5. A non-clogging self priming pump as claimed in claim 2, wherein: the water inlet pipe (12) is provided with an abutting component (5) for abutting the mounting block (311) in the second groove body (412), the abutting component (5) comprises an abutting rod (52) and an elastic piece (51), an abutting groove (121) perpendicular to the first groove body (411) is formed in the water inlet pipe (12), the abutting groove (121) is located at one side, opposite to the second groove body (412), of the first groove body (411) and is communicated with the first groove body (411), the abutting rod (52) is slidably arranged in the abutting groove (121), and one end of the elastic piece (51) is arranged on the groove wall of the abutting groove (121), and the other end of the elastic piece (51) is arranged on the abutting rod (52).

6. A non-clogging self priming pump as recited in claim 5, wherein: the abutting rod (52) extends to one end of the first groove body (411) and is provided with an extrusion inclined surface (521), the extrusion inclined surface (521) extends obliquely along the direction of the first groove body (411) towards the second groove body (412) in the axial direction of the water inlet pipe (12), and when the mounting block (311) slides in the first groove body (411), the mounting block (311) is in contact with the extrusion inclined surface (521) and extrudes, so that the abutting rod (52) extrudes the elastic piece (51) in the abutting groove (121).

7. A non-clogging self priming pump as in claim 1, wherein: be provided with on inlet tube (12) and be used for washing back flush unit (6) of filtering frame (32) and filtering ring (31), back flush unit (6) are including storage water tank (61), wash pipe (63) and ooff valve (62), storage water tank (61) set up on base (1), the one end of wash pipe (63) sets up on storage water tank (61), the other end sets up on inlet tube (12), filtering frame (32) and wash pipe (63) keep away from the one end of storage water tank (61) and distribute along the liquid flow direction, the delivery port of wash pipe (63) is towards filtering frame (32) and filtering ring (31), ooff valve (62) set up on inlet tube (12).

8. The non-clogging self priming pump of claim 7, wherein: one end of the flushing pipe (63) close to the water inlet pipe (12) is provided with a pressure increasing valve (64), and the pressure increasing valve (64) drives liquid in the flushing pipe (63) to impact the filter frame (32) and the filter ring (31).

9. A non-clogging self priming pump as in claim 1, wherein: the aperture of the filter holes on the filter ring (31) is larger than that of the filter holes on the filter frame (32).