CN215109516U

CN215109516U - Self-priming pump with self-filtering structure

Info

Publication number: CN215109516U
Application number: CN202121494215.5U
Authority: CN
Inventors: 王新华; 周跃孔
Original assignee: Kunshan Meibao Environmental Protection Equipment Co ltd
Current assignee: Kunshan Meibao Environmental Protection Equipment Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-10
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a self priming pump with self filtering structure, which comprises a motor, the one end fixedly connected with connecting pipe of motor, and the one end fixedly connected with pump body of connecting pipe, the one end sealing connection of the pump body has the inlet tube, and the inlet tube with be connected with the sealing member between the pump body, the outside fixed cover of one end of inlet tube has first solid fixed ring, and first solid fixed ring's one end threaded connection has the solid fixed ring of second, the outside of first solid fixed ring and the solid fixed ring of second is provided with the connecting seat respectively, and the inside interlude of connecting seat has the connecting axle. The utility model discloses a go-between conveniently makes the cartridge filter be connected with first solid fixed ring, then is connected through the screw thread subassembly between first solid fixed ring and the solid fixed ring of second, and two screw thread subassembly's connection conveniently makes cartridge filter fixed mounting in the inside of inlet tube, when dismantling the change cartridge filter, reverse rotation screw thread subassembly and coupling assembling can.

Description

Self-priming pump with self-filtering structure

Technical Field

The utility model relates to a self priming pump technical field, concretely relates to self priming pump with self filtering structure.

Background

The self-priming pump is a self-priming centrifugal pump, it has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life and strong self-priming capability, etc., the pipeline does not need to be equipped with a bottom valve, it only needs to ensure that the pump body stores quantitative priming liquid before working, different liquids can be self-priming pumps made of different materials, the self-priming pump fills water in the pump shell before starting the pump, the impeller rotates at high speed after starting to make the water in the impeller channel flow to the volute, at this time, the inlet forms vacuum, the water inlet check valve is opened, the air in the suction pipe enters the pump and reaches the outer edge through the impeller channel, and the self-priming pump is suitable for clean water, seawater, chemical medium liquid with acid and alkalinity and pulp with general paste.

In-process that current self priming pump used, because can generally mix stone foreign particles and silt in the sewage of handling, partial foreign particles inhales and can receive the striking to the internal impeller of pump in the pump, thereby make the impeller receive wearing and tearing gradually, greatly increased the maintenance frequency of the pump body, and, foreign particles and silt pile up easily in the pump body inside jam for a long time, in some current filtration, generally filter through simple filter screen, such filter effect is not obvious, and the filter effect is not good, and the filter screen still needs frequent dismantlement to be changed, because the filter screen is the inside of installing at the pump body, thereby receive the interference of certain limitation and the pump body in the dismouting, be not convenient for carry out the dismouting, reduce the availability factor.

Therefore, it is necessary to provide a self-priming pump with a self-filtering structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-priming pump with a self-filtering structure, which is characterized in that in the using process of the existing self-priming pump, as the treated sewage is generally doped with stone impurity particles and silt, part of the impurity particles sucked into the pump body can impact the impeller in the pump body, thereby the impeller is gradually abraded, the maintenance frequency of the pump body is greatly increased, moreover, impurity particles and silt are accumulated in the pump body for a long time and are easy to cause internal blockage, in some existing filtering structures, filtering is generally performed through a simple filtering net, the filtering effect is not obvious and poor, and the filtering net needs to be frequently disassembled and replaced, because the filter screen is installed in the inside of the pump body to receive certain limitation and the interference of the pump body in the dismouting, be not convenient for carry out the dismouting, reduce the availability factor, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a self-priming pump with a self-filtering structure comprises a motor, wherein one end of the motor is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a pump body, one end of the pump body is hermetically connected with a water inlet pipe, a sealing element is connected between the water inlet pipe and the pump body, a first fixing ring is fixedly sleeved outside one end of the water inlet pipe, a second fixing ring is in threaded connection with one end of the first fixing ring, connecting seats are respectively arranged outside the first fixing ring and the second fixing ring, a connecting shaft is inserted inside the connecting seats, one end of the connecting shaft is in threaded connection with a positioning ring, a connecting groove is formed in the surface of the first fixing ring, a first internal thread is formed in the surface of the connecting groove, a connecting sleeve is inserted in one end of the water inlet pipe, a connecting ring is in threaded connection with the outside of the connecting sleeve, and a clamping ring is fixedly connected with one end of the connecting ring, and the outside of snap ring is provided with first external screw thread.

Preferably, the connecting seat, the connecting shaft and the positioning ring jointly form a threaded assembly, the number of the threaded assemblies is two, and the two threaded assemblies are symmetrically distributed about the first fixing ring.

Preferably, the connecting groove is matched with the clamping ring, and the first internal thread is matched with the first external thread.

Preferably, the connecting ring, the snap ring and the first fixing ring jointly form the connecting assembly, and the diameter of the connecting ring is smaller than that of the first fixing ring.

Preferably, one end of the connecting sleeve is fixedly connected with a filter cartridge, the connecting sleeve, the connecting ring and the filter cartridge form a whole together, and the whole length formed by the connecting sleeve and the filter cartridge is greater than the length of the water inlet pipe.

Preferably, the connecting ring is provided with a second internal thread inside, the connecting sleeve is provided with a second external thread outside, and the second external thread is matched with the second internal thread.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the filter cartridge is conveniently connected with the first fixing ring through the connecting ring, then the filter cartridge is connected with the second fixing ring through the threaded components between the first fixing ring and the second fixing ring, the connection of the two threaded components is convenient for the filter cartridge to be fixedly arranged inside the water inlet pipe, and when the filter cartridge is disassembled and replaced, the threaded components and the connecting component are rotated reversely;

2. can effectually filter the foreign particle in the water through a plurality of filtration pores on the cartridge filter, the foreign particle after the filtration directly washes to the blow off pipe of below when intaking next time, directly arrange away impurity through the blow off pipe can to improve filtration efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a perspective view of the water inlet pipe of the present invention;

fig. 4 is a perspective view of the connection ring of the present invention;

fig. 5 is a perspective view of the first fixing ring of the present invention;

fig. 6 is a perspective view of the filter cartridge of the present invention;

fig. 7 is a perspective view of the filter cartridge and the water inlet pipe of the present invention.

Description of reference numerals:

1. a motor; 2. a connecting pipe; 3. a pump body; 4. a water inlet pipe; 5. a seal member; 6. a first retaining ring; 7. a second retaining ring; 8. a connecting seat; 9. a connecting shaft; 10. a positioning ring; 11. connecting grooves; 12. a first internal thread; 13. a connecting sleeve; 14. a connecting ring; 15. a snap ring; 16. a first external thread; 17. a second internal thread; 18. a second external thread; 19. and (3) a filter cartridge.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a self-priming pump with a self-filtering structure as shown in figures 1-7, which comprises a motor 1, wherein one end of the motor 1 is fixedly connected with a connecting pipe 2, one end of the connecting pipe 2 is fixedly connected with a pump body 3, one end of the pump body 3 is hermetically connected with a water inlet pipe 4, a sealing element 5 is connected between the water inlet pipe 4 and the pump body 3, one end of the water inlet pipe 4 is fixedly sleeved with a first fixing ring 6, one end of the first fixing ring 6 is connected with a second fixing ring 7 by screw thread, the outer parts of the first fixing ring 6 and the second fixing ring 7 are respectively provided with a connecting seat 8, a connecting shaft 9 is inserted in the connecting seat 8, one end of the connecting shaft 9 is connected with a positioning ring 10 by screw thread, the surface of the first fixing ring 6 is provided with a connecting groove 11, the surface of the connecting groove 11 is provided with a first internal thread 12, one end of the water inlet pipe 4 is inserted with a connecting sleeve 13, and the outer thread of the connecting sleeve 13 is connected with a connecting ring 14, one end of the connecting ring 14 is fixedly connected with a clamping ring 15, and the outer part of the clamping ring 15 is provided with a first external thread 16.

Further, in above-mentioned technical scheme, threaded component is constituteed jointly to connecting seat 8, connecting axle 9 and holding ring 10, threaded component's quantity sets up to two sets of, two sets of threaded component is connected through the threaded component between first solid fixed ring 6 and the solid fixed ring 7 of second about first solid fixed ring 6 symmetric distribution, and two threaded component's the convenient inside that makes cartridge filter 19 fixed mounting at inlet tube 4 of being connected.

Further, in the above technical solution, the connection groove 11 is matched with the snap ring 15, the first internal thread 12 is matched with the first external thread 16, and the first internal thread 12 is provided in the connection groove 11, so when the snap ring 15 is screwed into the connection groove 11, the first external thread 16 outside the snap ring 15 is in threaded connection with the first internal thread 12, thereby facilitating the threaded connection between the connection ring 14 and the first fixing ring 6.

Further, in the above technical solution, the connection ring 14, the snap ring 15 and the first fixing ring 6 together form a connection assembly, the diameter of the connection ring 14 is smaller than that of the first fixing ring 6, the connection ring 14 is in threaded connection with the connection sleeve 13, and the connection sleeve 13 and the filter cartridge 19 are integrated, so that the filter cartridge 19 is conveniently connected with the first fixing ring 6 through the connection ring 14.

Further, in the above technical solution, one end of the connecting sleeve 13 is fixedly connected with a filter cartridge 19, the connecting sleeve 13, the connecting ring 14 and the filter cartridge 19 jointly form a whole, the whole length formed by the connecting sleeve 13 and the filter cartridge 19 is greater than the length of the water inlet pipe 4, and the exposed part of the connecting sleeve 13 penetrates through one end of the water inlet pipe 4 and is connected with the second fixing ring 7.

Further, in the above technical solution, the inside of the connection ring 14 is provided with a second internal thread 17, the outside of the connection sleeve 13 is provided with a second external thread 18, and the second external thread 18 matches with the second internal thread 17.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, in the using process, firstly, the filter cartridge 19 is placed in the water inlet pipe 4, and is tightly sleeved with one end of the water inlet pipe 4 through the conical connecting sleeve 13, because the whole length formed by the connecting sleeve 13 and the filter cartridge 19 is larger than the length of the water inlet pipe 4, the exposed part of the connecting sleeve 13 penetrates out of one end of the water inlet pipe 4 to be connected with the second fixing ring 7, then, by rotating the connecting ring 14 in threaded connection on the connecting sleeve 13, the connecting ring 14 moves on the connecting sleeve 13 until the clamping ring 15 at one end of the connecting ring 14 is rotated into the connecting groove 11 on the first fixing ring 6, because the first internal thread 12 is arranged in the connecting groove 11, when the clamping ring 15 is rotated into the connecting groove 11, the first external thread 16 outside the clamping ring 15 is in threaded connection with the first internal thread 12, so as to facilitate the threaded connection of the connecting ring 14 and the first fixing ring 6, because go-between 14 and connecting sleeve 13 threaded connection, and connecting sleeve 13 is a whole with cartridge filter 19, so conveniently make cartridge filter 19 be connected with first solid fixed ring 6 through go-between 14, then threaded component through between first solid fixed ring 6 and the solid fixed ring 7 of second is connected, two threaded component's connection conveniently makes cartridge filter 19 fixed mounting in the inside of inlet tube 4, when dismantling change cartridge filter 19, reverse rotation threaded component and coupling assembling can, can effectually filter the impurity granule in the water through a plurality of filtration pores of crossing on the cartridge filter 19, impurity granule after the filtration directly washes to the blow off pipe below when intaking next time, it can directly to arrange impurity through the blow off pipe, thereby improve filtration efficiency.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a self priming pump with self filtering structure, includes motor (1), its characterized in that: one end of the motor (1) is fixedly connected with a connecting pipe (2), one end of the connecting pipe (2) is fixedly connected with a pump body (3), one end of the pump body (3) is hermetically connected with a water inlet pipe (4), a sealing element (5) is connected between the water inlet pipe (4) and the pump body (3), a first fixing ring (6) is fixedly sleeved outside one end of the water inlet pipe (4), a second fixing ring (7) is connected with one end of the first fixing ring (6) in a threaded manner, connecting seats (8) are respectively arranged outside the first fixing ring (6) and the second fixing ring (7), a connecting shaft (9) is inserted inside the connecting seats (8), one end of the connecting shaft (9) is connected with a positioning ring (10) in a threaded manner, a connecting groove (11) is formed in the surface of the first fixing ring (6), and a first internal thread (12) is formed in the surface of the connecting groove (11), one end of the water inlet pipe (4) is inserted with the connecting sleeve (13), the external thread of the connecting sleeve (13) is connected with the connecting ring (14), one end of the connecting ring (14) is fixedly connected with the clamping ring (15), and the external part of the clamping ring (15) is provided with a first external thread (16).

2. The self-primer pump with the self-filtering structure of claim 1, wherein: the connecting seat (8), the connecting shaft (9) and the positioning ring (10) jointly form a threaded assembly, the number of the threaded assemblies is two sets of threaded assemblies which are symmetrically distributed relative to the first fixing ring (6).

3. The self-primer pump with the self-filtering structure of claim 1, wherein: the connecting groove (11) is matched with the clamping ring (15), and the first internal thread (12) is matched with the first external thread (16).

4. The self-primer pump with the self-filtering structure of claim 1, wherein: the connecting ring (14), the clamping ring (15) and the first fixing ring (6) jointly form a connecting assembly, and the diameter of the connecting ring (14) is smaller than that of the first fixing ring (6).

5. The self-primer pump with the self-filtering structure of claim 1, wherein: one end of the connecting sleeve (13) is fixedly connected with a filter cylinder (19), the connecting sleeve (13), the connecting ring (14) and the filter cylinder (19) jointly form a whole, and the whole length formed by the connecting sleeve (13) and the filter cylinder (19) is greater than the length of the water inlet pipe (4).

6. The self-primer pump with the self-filtering structure of claim 1, wherein: the inner part of the connecting ring (14) is provided with a second internal thread (17), the outer part of the connecting sleeve (13) is provided with a second external thread (18), and the second external thread (18) is matched with the second internal thread (17).