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CN-224199364-U - Homogenizing bag

CN224199364UCN 224199364 UCN224199364 UCN 224199364UCN-224199364-U

Abstract

The utility model belongs to the technical field of bio-based cultivation, and discloses a homogenizing bag which comprises a bag body and a filter membrane, wherein the bag body comprises a main body part and a filter part, the main body part and the filter part are integrally formed, a mixing cavity with one end open is formed in the main body part, the filter part protrudes out of one side of the opening of the main body part, an inlet is formed at one side of the opening of the main body part, an auxiliary cavity communicated with the mixing cavity is formed in the filter part, the auxiliary cavity is opened at one side of the filter part, which faces the inlet, the filter membrane extends from one side of the auxiliary cavity away from the inlet to the opening of the auxiliary cavity, and an outlet is formed at one side of the filter membrane at the opening of the filter part. The filter part is arranged on one side of the opening, the filter membrane is arranged in the filter part, the length of the filter membrane can be greatly reduced, the production cost of the homogenizing bag is reduced, the outlet is positioned on the side edge of the filter part, the distance from the outlet to the liquid level of the sample liquid can be reduced, the suction of the liquid transfer device is facilitated, and the operation mode is optimized.

Inventors

  • LIU HUI
  • ZHOU ZHITU
  • LIU XIDONG
  • SHI YUWEN

Assignees

  • 济南市疾病预防控制中心
  • 无锡百泰克生物技术有限公司

Dates

Publication Date
20260505
Application Date
20250515

Claims (10)

  1. 1. A homogenizing bag, comprising: The bag body (100) comprises a main body part (110) and a filtering part (120), wherein the main body part (110) and the filtering part (120) are integrally formed, a mixing cavity (112) with one end open is formed in the main body part (110), the filtering part (120) protrudes out of one side of the opening of the main body part (110), an inlet (113) is formed at one side of the filtering part (120) at the opening of the main body part (110), one side edge of the filtering part (120) deviating from the inlet (113) is flush with one side edge of the main body part (110), a secondary cavity (122) communicated with the mixing cavity (112) is formed in the filtering part (120), and the secondary cavity (122) is arranged towards one side opening of the inlet (113) at the filtering part (120); The filter membrane (200) extends from one side of the auxiliary cavity (122) away from the inlet (113) to the opening of the auxiliary cavity (122) and is arranged at intervals with the edge of the filter part (120) away from one side of the main body part (110), and an outlet (123) is formed at one side of the filter membrane (200) at the opening of the filter part (120).
  2. 2. The homogeneous bag according to claim 1, wherein the filter membrane (200) comprises a plurality of filter layers arranged in a stacked manner in the thickness direction of the bag body (100), the filter layers comprising a plurality of randomly stacked crimped polyester fibers.
  3. 3. The homogeneous bag according to claim 2, characterized in that the filter membrane (200) is provided with a sealing edge portion (210), the filter membrane (200) being heat-fused to the inner wall of the filter portion (120) by means of the sealing edge portion (210).
  4. 4. A homogenizer bag according to any of claims 1 to 3, wherein the outer shape of the main body portion (110) and the filter portion (120) are rectangular.
  5. 5. The homogenizer bag according to claim 4, wherein the filter membrane (200) is disposed at a distance from the plane of the inlet (113) towards one side edge of the mixing chamber (112).
  6. 6. A homogenizing bag according to claim 3, wherein the sealing portion (210) comprises a first sealing edge (211) and a second sealing edge (212) perpendicular to each other, the first sealing edge (211) being located on a side of the filter membrane (200) close to the outlet (123) in the length direction of the bag body (100), and the second sealing edge (212) being located on a side of the filter membrane (200) remote from the inlet (113) in the width direction of the bag body (100).
  7. 7. A homogenizer bag according to claim 1, wherein the main body portion (110) is provided with a through hole (114) at a side edge of the inlet (113) facing away from the filter portion (120).
  8. 8. The homogeneous bag according to claim 7, wherein the distance from the through hole (114) to one side of the main body portion (110) where the inlet (113) is formed is smaller than the distance to the other side along the length direction of the bag body (100).
  9. 9. The homogeneous bag according to claim 1, wherein said bag body (100) is a transparent plastic piece.
  10. 10. A homogenizer bag according to claim 9, wherein the outer wall of one side of the main body portion (110) is provided with graduation marks.

Description

Homogenizing bag Technical Field The utility model relates to the technical field of bio-based cultivation, in particular to a homogenizing bag. Background In microbiological tests, samples containing microbiological tests, such as food, tissue, soil, etc., are typically placed in a homogenization bag along with a diluent and then tapped using a tapping machine to rapidly break, mix and homogenize the sample, releasing the microorganism or target material for subsequent analysis and detection. In order to facilitate processing and ensure a filtering effect, the conventional homogenizing bag with a filtering function is generally integrally processed with a bag body and a filter membrane, and the filter membrane is arranged in the homogenizing bag along the long side of the homogenizing bag and positioned at one side of the center of the homogenizing bag, so that the inside of the homogenizing bag is divided into two chambers with different sizes, a sample and a diluent are stirred and mixed in the larger chamber and pass through the homogenizing bag to enter the chamber with the smaller side of the bag body, and then a user can open the upper part of the bag body and pump out the required liquid by using a liquid dispenser. The filter membrane and the bag body of the homogeneous bag are equal in length, the height of the sample liquid of the finished product is far smaller than the length of the filter membrane, the material cost is high, the requirement on the length and the size of the pipette is high, and the pipetting operation requirement is high. Disclosure of utility model The utility model aims to provide a homogenizing bag which is low in cost and convenient to move. The homogenizing bag comprises a bag body and a filter membrane, wherein the bag body comprises a main body part and the filter membrane, the main body part and the filter membrane are integrally formed, a mixing cavity with one end open is formed in the main body part, the filter membrane protrudes out of one side of the opening of the main body part, an inlet is formed at one side of the filter membrane at the opening of the main body part, the edge of one side of the filter membrane, which is away from the inlet, is flush with the edge of one side of the main body part, an auxiliary cavity communicated with the mixing cavity is formed in the filter part, the auxiliary cavity is arranged at the opening of one side of the filter membrane, which is towards the inlet, the filter membrane extends from one side of the auxiliary cavity, which is away from the inlet, to the opening of the auxiliary cavity, and is arranged at intervals with the edge of one side of the filter part, which is away from the main body part, and an outlet is formed at one side of the filter membrane at the opening of the filter membrane. Preferably, the filter membrane comprises a plurality of filter layers, the plurality of filter layers are stacked along the thickness direction of the bag body, and the filter layers comprise a plurality of crimped polyester fibers which are stacked in disorder. Preferably, the filter membrane is provided with an edge sealing portion, and the filter membrane is fixed with the inner wall of the filter portion through hot melting of the edge sealing portion. Preferably, the outer shape of the main body portion and the filter portion is rectangular. Preferably, the filter membrane is arranged at intervals towards one side edge of the mixing cavity and the plane of the inlet. Preferably, the edge sealing portion comprises a first edge sealing portion and a second edge sealing portion which are perpendicular to each other, the first edge sealing portion is located on one side, close to the outlet, of the filter membrane in the length direction of the bag body, and the second edge sealing portion is located on one side, far away from the inlet, of the filter membrane in the width direction of the bag body. Preferably, the main body part is provided with a through hole at a side edge of the inlet facing away from the filtering part. Preferably, the distance from the through hole to one side of the main body portion where the inlet is formed is smaller than the distance from the other side along the length direction of the bag body. Preferably, the bag body is a transparent plastic piece. Preferably, scale marks are provided on an outer wall of one side of the main body. When the homogenizing bag is used, a user can add a sample and a diluent into the mixing cavity through the inlet and mix the sample uniformly, then the bag body is rotated by 90 degrees, the mixed liquid enters the lower part of the outlet of the auxiliary cavity through the filter membrane, and then the sample liquid is sucked by the liquid dispenser. The filter part is arranged on one side of the opening, the filter membrane is arranged in the filter part, the length of the filter membrane can be greatly reduced, the production cost of the homogenizing bag is reduced,