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CN-121993384-A - Peristaltic pump, fluid conveying equipment and solid target purification device

CN121993384ACN 121993384 ACN121993384 ACN 121993384ACN-121993384-A

Abstract

The application provides a peristaltic pump, fluid conveying equipment and a solid target purification device, and belongs to the technical field of peristaltic pumps. The pump comprises a pump body, a guide pipe, a filter plate, a matching cover, a driving assembly and a pumping assembly. The filter plate sets up in the guide tube, and the filter plate sets up the cooperation cover for the guide tube slope and locates the filter plate and keep away from one side of pump body, cooperation cover and filter plate laminating, cooperation cover encloses with the filter plate and closes and form the collection chamber. One side of the matching cover, which is close to the first end part, is provided with a collecting opening communicated with the collecting cavity. The mating housing is slidably mated to the filter plate, and the drive assembly is in driving engagement with the mating housing such that the mating housing is slidable between the first end and the second end. When the mating shroud is moved to the first end and engages the inner wall of the guide tube, the inner wall of the guide tube closes the collection port so that the extraction assembly can extract particulate impurities from the collection chamber. The device can prevent the damage of particle impurities to the flexible pipe and can continuously maintain stable flow.

Inventors

  • CHEN MO
  • DU YANG
  • ZHOU XUEJUAN
  • MA RUILI
  • YU JIAXIN
  • Tang Qianling

Assignees

  • 四川玖谊源粒子科技有限公司

Dates

Publication Date
20260508
Application Date
20260403

Claims (8)

  1. 1. The peristaltic pump is characterized by comprising a pump body, a guide pipe, a filter plate, a matched cover, a driving assembly and a pumping assembly; The outlet end of the guide pipe is communicated with the inlet end of the pump body, and the inlet end of the guide pipe is used for being communicated with an external fluid supply pipeline; The filter plate is arranged in the guide pipe, is obliquely arranged relative to the guide pipe, and is provided with a first end part and a second end part which are oppositely arranged, wherein the first end part is close to the pump body, and the second end part is positioned at one side of the first end part far away from the pump body; The filter plate is provided with a filter plate body, a filter plate cover and a filter plate, wherein the filter plate body is provided with a first end part, a second end part and a filter plate cover, the filter plate cover is arranged on one side of the filter plate far away from the pump body, the filter plate is attached to the filter plate, and the filter plate cover and the filter plate are enclosed to form a collecting cavity; the mating cover is slidably mated to the filter plate, and the drive assembly is in driving engagement with the mating cover to enable the mating cover to slide between the first end and the second end; the extraction component is matched with the matched cover; When the mating shroud moves to the first end and engages the inner wall of the guide tube, the inner wall of the guide tube closes the collection port so that the extraction assembly can extract particulate impurities from the collection chamber.
  2. 2. The peristaltic pump of claim 1, wherein the drive assembly comprises a drive rod, and a mating post; The end, far away from the pump body, of the guide pipe is sealed by a first sealing plate, the driving rod is arranged along the axial direction of the guide pipe and penetrates through the first sealing plate, and the driving rod is slidably matched with the first sealing plate and is in sliding sealing with the first sealing plate; The pipe wall of the guide pipe is provided with an inclined hole, the inclined hole is positioned between the filter plate and the first sealing plate, the central axis of the inclined hole is parallel to the plate surface of the filter plate, one end of the inclined hole, which is close to the pipe cavity of the guide pipe, is marked as a first end, one end of the inclined hole, which is far away from the pipe cavity of the guide pipe, is marked as a second end, and the second end is positioned at one side, which is far away from the filter plate, of the first end; the matching column is slidably matched in the inclined hole, and sliding seal is formed between the matching column and the inclined hole; One end of the transmission rod is hinged to the driving rod, the other end of the transmission rod is hinged to the matching column, the matching cover is fixedly connected with the matching column through a connecting rod, so that the driving rod can drive the matching column to slide in the inclined hole through the transmission rod under the condition of moving along the axial direction of the guide tube, and the matching cover is controlled to slide between the first end part and the second end part.
  3. 3. The peristaltic pump of claim 2, wherein the pumping assembly comprises a mating barrel and a rotating post; The matching cylinder is connected to the outer side wall of the guide pipe and communicated with the inclined hole, and the matching cylinder and the inclined hole are coaxially arranged; The first unidirectional structure allows fluid of the matching cylinder to leave the matching cylinder through one end of the matching cylinder away from the inclined hole and prevents fluid outside the matching cylinder from entering the matching cylinder through one end of the matching cylinder away from the inclined hole; the matching column extends into the matching cylinder, the side wall of the matching column is attached to the inner wall of the matching cylinder, and the matching column is slidably matched with the matching cylinder and is in sliding seal with the matching cylinder; the end face, close to one end of the first unidirectional structure, of the matching column is provided with a first flow channel, and the first flow channel extends towards one end where the connecting rod is located along the axial direction of the matching column; the connecting rod is characterized in that one end of the matching column, which is close to the connecting rod, is provided with an inner cavity, the inner cavity is cylindrical, the rotating column is rotatably matched in the inner cavity, and the circumferential wall of the rotating column is attached to the inner wall of the inner cavity and is rotationally sealed; the first runner is communicated with the inner cavity; The rotating column penetrates through the matching column and extends out of the matching column, and the transmission rod is fixedly connected with the rotating column; the inside of the connecting rod is provided with a second flow passage, one end of the second flow passage is communicated with the inner cavity, and the other end of the second flow passage is communicated with the collecting cavity; The circumference wall of the rotating column is provided with a communication hole, and the communication hole penetrates through the rotating column; When the mating cover moves to the first end and is attached to the inner wall of the guide pipe, the communication hole communicates the first flow passage with the second flow passage, and when the mating cover leaves the first end, at least one of the first flow passage and the second flow passage is disconnected from the communication hole, and the rotating column blocks the first flow passage from the second flow passage.
  4. 4. A peristaltic pump as claimed in claim 3, wherein the first flow channel is provided with a second one-way structure at an end thereof adjacent to the first one-way structure, the second one-way structure allowing fluid within the first flow channel to enter the mating barrel and preventing fluid within the mating barrel from entering the first flow channel.
  5. 5. A peristaltic pump as in claim 3, wherein the filter plate is rectangular in shape and the mating cover extends along a width of the filter plate and the mating cover is slidably mated to the filter plate along a length of the filter plate.
  6. 6. The peristaltic pump of claim 5 wherein a side of the mating shroud proximate the second end is wedge-shaped.
  7. 7. A fluid delivery device according to claim 1 to 6, comprising a peristaltic pump.
  8. 8. A solid target purification apparatus comprising a dissolution apparatus, a transport apparatus and a purification apparatus, wherein the transport apparatus is provided with a peristaltic pump according to any one of claims 1 to 6; the dissolving device is used for dissolving the target; the conveying device is used for conveying the dissolved target material to the purifying device; the purification device is used for purifying the dissolved target.

Description

Peristaltic pump, fluid conveying equipment and solid target purification device Technical Field The application relates to the technical field of peristaltic pumps, in particular to a peristaltic pump, fluid conveying equipment and a solid target purification device. Background Peristaltic pumps are currently widely used in various industries. For peristaltic pumps, if particulate impurities are present in the fluid being transported, these particulate impurities may damage the flexible tube of the peristaltic pump, thereby directly affecting the service life of the flexible tube, and seriously even causing the flexible tube to rupture, resulting in loss of fluid. Although the inlet end of the peristaltic pump is provided with a filter element to prevent the particle impurities from entering the peristaltic pump, as the particle impurities filtered out from the filter element gradually increase, the permeability of the filter element can be obviously reduced, which in turn can directly influence the flow stability of the peristaltic pump when pumping fluid. In view of this, the present application has been made. Disclosure of Invention A first object of the present application is to provide a peristaltic pump capable of preventing damage to a flexible tube caused by particulate impurities and continuously maintaining flow stability. A second object of the present application is to provide a fluid transport device capable of separating out particulate impurities and continuously maintaining a stable flow rate. A third object of the present application is to provide a solid target purification apparatus capable of separating out particulate impurities and continuously maintaining a stable flow rate, thereby ensuring efficient and high quality production of nuclides. Embodiments of the present application are implemented as follows: a peristaltic pump includes a pump body, a guide tube, a filter plate, a mating cover, a drive assembly, and a pumping assembly. The outlet end of the guide pipe is communicated with the inlet end of the pump body, and the inlet end of the guide pipe is used for being communicated with an external fluid supply pipeline. The filter plate sets up in the guide tube, and the filter plate sets up for the guide tube slope, and the filter plate has relative first tip and the second tip that sets up, and first tip is close to the pump body setting, and the second tip is located one side that the pump body was kept away from to first tip. The cooperation cover covers and locates the filter plate and keep away from one side of pump body, and cooperation cover and filter plate laminating, cooperation cover encloses with the filter plate and closes and form the collection chamber. One side of the matching cover, which is close to the first end part, is provided with a collecting opening communicated with the collecting cavity, and the collecting opening extends to the surface of one side, which is attached to the filter plate, of the matching cover. The mating housing is slidably mated to the filter plate, and the drive assembly is in driving engagement with the mating housing such that the mating housing is slidable between the first end and the second end. The extraction assembly is matched with the matched cover. When the mating shroud is moved to the first end and engages the inner wall of the guide tube, the inner wall of the guide tube closes the collection port so that the extraction assembly can extract particulate impurities from the collection chamber. Further, the driving assembly comprises a driving rod, a transmission rod and a matched column. One end of the guide pipe, which is far away from the pump body, is closed by a first sealing plate, and the driving rod is arranged along the axial direction of the guide pipe and penetrates through the first sealing plate, and is matched with the first sealing plate in a sliding manner and is sealed between the driving rod and the first sealing plate in a sliding manner. The inclined hole has been seted up to the pipe wall of guide pipe, and the inclined hole is located between filter plate and the first shrouding, and the central axis of inclined hole is on a parallel with the face setting of filter plate, and the one end that the inclined hole is close to the lumen of guide pipe is recorded as first end, and the one end that the inclined hole kept away from the lumen of guide pipe is recorded as the second end, and the second end is located one side that the filter plate was kept away from to first end. The matching column is slidably matched in the inclined hole, and sliding seal is arranged between the matching column and the inclined hole. One end of the transmission rod is hinged to the driving rod, the other end of the transmission rod is hinged to the matching column, the matching cover is fixedly connected with the matching column through a connecting rod, so that the driving rod can drive the matching column to slide in the incl