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CN-122014634-A - Anti-blocking miniature direct-current brushless water pump

CN122014634ACN 122014634 ACN122014634 ACN 122014634ACN-122014634-A

Abstract

The application provides a prevent miniature direct current brushless water pump of jam, concretely relates to water pump technical field, including the main casing, main casing internally mounted has brushless motor, brushless motor's output shaft end is connected with the impeller, one side that the main casing is close to brushless motor output shaft is equipped with the inlet ring body with the impeller coaxial, the impeller is located the inlet ring body, this prevent miniature direct current brushless water pump of jam, through set up the initiative that is coaxial with the impeller in inlet opening and organism end cover inboard strain miscellaneous mechanism and recovery unit, utilize impeller drive to strain miscellaneous mechanism rotation and form centrifugal force field and realize impurity separation, the cooperation is retrieved the subassembly and is accomplished impurity and collect, the problem that current miniature direct current brushless water pump relies on the filter screen to filter easy jam, impurity easily gets into the pump body and causes impeller jamming is realized that the leading initiative of water pump inlet end is strained miscellaneous anti-blocking, need not extra drive device and can accomplish the water miscellaneous high-efficient separation, avoid impurity to block the pump body from the source, the steady continuous operation of guarantee water pump.

Inventors

  • CHEN HUI
  • He dui
  • XIAO XIANGSHENG
  • CHEN WEIGUANG

Assignees

  • 深圳市钜泰泵业有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. The utility model provides a miniature DC brushless water pump of anti-clogging, including main casing (1), main casing (1) internally mounted has brushless motor (11), brushless motor (11)'s output shaft end is connected with impeller (12), main casing (1) is close to one side of brushless motor (11) output shaft and is equipped with inlet ring body (13) coaxial with impeller (12), impeller (12) are located inlet ring body (13), inlet ring body (13) intercommunication has outlet pipe (14), main casing (1) is close to one side of impeller (12) and is equipped with organism end cover (15), one side of inlet ring body (13) has ring body end cover (131) through bolted connection, inlet opening (132) have been seted up at the center of ring body end cover (131), inlet opening (132) are linked together with the inside of inlet ring body (13), An active impurity filtering mechanism (2) and a recovery assembly (3) which are coaxial with the impeller (12) are arranged between the water inlet hole (132) and the inner side of the machine body end cover (15); The active impurity filtering mechanism (2) is coaxially fixed with the impeller (12) and is driven to rotate by the impeller (12), and the active impurity filtering mechanism (2) is in rotary sealing connection with the outer side of the ring body end cover (131); the recovery component (3) is arranged on the outer peripheral surface of the active impurity filtering mechanism (2) in a surrounding mode, an interval is reserved between the recovery component (3) and the active impurity filtering mechanism (2), and an impurity collecting structure and a water permeable structure are arranged on the recovery component (3).
  2. 2. The anti-clogging miniature direct current brushless water pump according to claim 1, characterized in that the active impurity filtering mechanism (2) comprises an extending linkage shaft (21), a cross linkage rod (22), a ring body filter (23) and a spiral rib (24); the extension linkage shaft (21) is coaxially fixed with the impeller (12), a cross linkage rod (22) is fixed at the end part of the extension linkage shaft (21) far away from the impeller (12), the outer end of the cross linkage rod (22) is fixedly connected with the ring body filter (23), the spiral rib (24) is integrally arranged on the inner peripheral surface of the ring body filter (23), and the ring body filter (23) is in rotary sealing connection with the outer side of the ring body end cover (131) through a sealing bearing (25).
  3. 3. The anti-clogging miniature direct current brushless water pump according to claim 2, wherein one side of the ring body filter piece (23) far away from the impeller (12) is in an annular flaring shape, a plurality of filter holes (231) are uniformly distributed on the outer peripheral surface of the ring body filter piece (23), and the filter holes (231) are impurity discharging structures of the active impurity filtering mechanism (2).
  4. 4. A miniature dc brushless water pump according to claim 3, wherein each of the filter holes (231) is provided with an integrally formed elastic deflector which is opened only in the direction of the outer peripheral surface of the ring filter (23).
  5. 5. The anti-clogging miniature direct current brushless water pump according to claim 2, wherein the spiral ribs (24) are equally distributed in a ring shape on the inner peripheral surface of the ring body filter member (23).
  6. 6. The anti-clogging miniature direct current brushless water pump according to claim 1, characterized in that the recovery assembly (3) comprises two half-ring bodies (31), the two half-ring bodies (31) being mutually closed to form a complete ring structure; The impurity collecting structure is arranged at the bottoms of the two semi-ring bodies (31).
  7. 7. The anti-clogging miniature direct current brushless water pump according to claim 6, wherein the bottoms of the two semi-ring bodies (31) are integrally formed with extension rectangular bodies (32), the two extension rectangular bodies (32) are tightly spliced and matched through a splicing tenon and a slot block, the two extension rectangular bodies (32) form a complete rectangular cavity structure after being closed, and the impurity collecting structure is spliced and arranged in the rectangular cavity structure.
  8. 8. The anti-clogging miniature direct current brushless water pump as claimed in claim 7, wherein the impurity collection structure is a rectangular containing box (34), the top of the rectangular containing box (34) is an opening structure, and the opening structure is communicated with the bottoms of the two semi-rings (31); The water permeable structure comprises a first strip-shaped hole (33) formed in the semi-ring body (31) and a second strip-shaped hole (35) formed in the side wall of the rectangular accommodating box (34).
  9. 9. The anti-clogging miniature direct current brushless water pump as claimed in claim 6, wherein anti-sticking coating is provided on the inner annular surface of both the half ring bodies (31).
  10. 10. The anti-clogging miniature direct current brushless water pump according to claim 8, wherein the rectangular containing box (34) is made of hard transparent material, and the rectangular containing box (34) can be horizontally pulled out from the rectangular cavity structure formed by closing the two extending rectangular bodies (32).

Description

Anti-blocking miniature direct-current brushless water pump Technical Field The application provides an anti-blocking miniature direct-current brushless water pump, and particularly relates to the technical field of water pumps. Background The miniature direct current brushless water pump is widely applied to various fluid transmission scenes by virtue of the characteristics of low energy consumption, low noise and long service life, the anti-blocking performance is a key index for measuring the working stability of the miniature direct current brushless water pump, and the core requirement is that the impurities in water are effectively blocked while the efficient water delivery is realized, so that the impeller jamming and part abrasion caused by the impurities entering a pump body are avoided, and the continuous operation of the water pump is ensured. In the prior art, the miniature sewage pump with the authorized bulletin number CN215633811U adopts a filter screen type filtering structure to realize anti-blocking, a fixed filter screen is arranged at the water inlet end to intercept impurities, although basic filtering can be realized, the filter screen is easy to be blocked by the impurities, frequent disassembly and cleaning are needed to influence the working continuity of the water pump, the structure can only passively intercept the impurities, active separation and collection of the impurities cannot be realized, fine impurities easily pass through the filter screen to enter the pump body, impeller abrasion can be caused due to long-term accumulation, and the service life of the water pump is reduced. Meanwhile, the filtering structure has no backflow prevention design, part of intercepted impurities are easy to flow back to the pump body along with water flow, the anti-blocking effect is poor, the impurities are not filtered by utilizing the self power of the water pump, an additional matching cleaning structure is needed, and the overall complexity of the water pump is increased. Disclosure of Invention Aiming at the defects existing in the prior art, the application provides an anti-blocking miniature direct current brushless water pump, which can effectively solve the related technical problems proposed by the background technology. In order to achieve the above purpose, the application is realized by the following technical scheme: The application discloses an anti-blocking miniature direct current brushless water pump, which comprises a main shell, wherein a brushless motor is arranged in the main shell, an output shaft end of the brushless motor is connected with an impeller, one side of the main shell, which is close to an output shaft of the brushless motor, is provided with a water inlet ring body coaxial with the impeller, the impeller is positioned in the water inlet ring body, the water inlet ring body is communicated with a water outlet pipe, one side of the main shell, which is close to the impeller, is provided with a machine body end cover, one side of the water inlet ring body is connected with a ring body end cover through a bolt, the center of the ring body end cover is provided with a water inlet hole, and the water inlet hole is communicated with the inside of the water inlet ring body; An active impurity filtering mechanism and a recovery component which are coaxial with the impeller are arranged between the water inlet hole and the inner side of the machine body end cover; the active impurity filtering mechanism is coaxially fixed with the impeller and driven by the impeller to rotate, and is in rotary sealing connection with the outer side of the ring body end cover; the recovery assembly surrounds the outer peripheral surface of the active impurity filtering mechanism, an interval is reserved between the recovery assembly and the active impurity filtering mechanism, and an impurity collecting structure and a water permeable structure are arranged on the recovery assembly. Preferably, the active impurity filtering mechanism comprises an extending linkage shaft, a cross linkage rod, a ring body filtering piece and a spiral rib; The extension linkage shaft is coaxially fixed with the impeller, a cross linkage rod is fixed at the end part of the extension linkage shaft, which is far away from the impeller, the outer end of the cross linkage rod is fixedly connected with the ring body filter piece, the spiral rib is integrally arranged on the inner peripheral surface of the ring body filter piece, and the ring body filter piece is in rotary sealing connection with the outer side of the ring body end cover through a sealing bearing. Preferably, one side of the ring body filtering piece far away from the impeller is in an annular flaring shape, a plurality of filtering holes are uniformly distributed on the outer peripheral surface of the ring body filtering piece, and the filtering holes are impurity discharging structures of the active impurity filtering mechanism. Preferably,