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CN-224221393-U - Micro-fluidic chip fixture

CN224221393UCN 224221393 UCN224221393 UCN 224221393UCN-224221393-U

Abstract

The utility model relates to the technical field of microfluidic chips, in particular to a microfluidic chip clamp which comprises a clamp main body, wherein a pressing plate mounting groove is formed in the clamp main body, a chip mounting groove is formed in the pressing plate mounting groove, an equipment mounting groove is formed in the bottom of the clamp main body, a liquid inlet is formed in the side wall of the clamp main body, the liquid inlet is communicated with an L-shaped flow channel, the L-shaped flow channel is communicated with the chip mounting groove, a liquid outlet is further formed in the clamp main body, the liquid outlet is communicated with the chip mounting groove through the L-shaped flow channel, opening grooves are formed in the top and the bottom of two sides of the clamp main body, a microfluidic chip is mounted in the chip mounting groove, and the pressing plate is mounted at the top of the microfluidic chip. The window arranged on the pressing plate can be used for observation. The clamp body is provided with an assembly hole, and can be clamped on the expansion equipment to realize multiple functions.

Inventors

  • ZHAO YAOLIN
  • CHEN YANHONG

Assignees

  • 广州纳微流控科技有限公司

Dates

Publication Date
20260512
Application Date
20250722

Claims (10)

  1. 1. The microfluidic chip clamp is characterized by comprising a clamp main body (100); The clamp comprises a clamp body (100), wherein a clamp plate mounting groove (110) is formed in the clamp body (100), a chip mounting groove (120) is formed in the clamp plate mounting groove (110), an equipment mounting groove (130) is formed in the bottom of the clamp body (100), a liquid inlet (140) is formed in the side wall of the clamp body (100), the liquid inlet (140) is communicated with an L-shaped flow channel (141), the L-shaped flow channel (141) is communicated with the chip mounting groove (120), a liquid outlet (150) is further formed in the clamp body (100), the liquid outlet (150) is communicated with the chip mounting groove (120) through the L-shaped flow channel (141), opening grooves (160) are formed in the top and the bottom of two sides of the clamp body (100), a microfluidic chip (200) is arranged in the chip mounting groove (120), and a clamp plate (210) is arranged at the top of the microfluidic chip (200).
  2. 2. The fixture for a microfluidic chip (200) according to claim 1, wherein fixing holes (111) are uniformly formed around the platen mounting groove (110), threaded holes (220) are uniformly formed around the platen (210), and screws are screwed into the fixing holes (111) through the threaded holes (220).
  3. 3. The fixture of a microfluidic chip (200) as claimed in claim 1, wherein a positioning hole (201), a liquid inlet hole (202) and a liquid outlet hole (203) are formed in the bottom of the microfluidic chip (200), the liquid inlet hole (202) is communicated with the L-shaped flow channel (141), and the liquid outlet hole (203) is communicated with the L-shaped flow channel (141).
  4. 4. The microfluidic chip (200) clamp according to claim 1, wherein the front surface and the two sides of the clamp main body (100) are provided with liquid inlets (140), and any one of a screwed joint and a luer joint is screwed on the liquid inlets (140).
  5. 5. The fixture for a microfluidic chip (200) according to claim 1, wherein a counter bore (142) is formed at the top of the L-shaped flow channel (141), and a sealing ring is installed in the counter bore (142).
  6. 6. The microfluidic chip (200) clamp according to claim 1, wherein the front and the bottom of the clamp body (100) are provided with assembly holes (170), and the clamp body (100) is fixedly connected with a microscope and a refrigeration platform through the assembly holes (170).
  7. 7. The fixture of a microfluidic chip (200) as claimed in claim 1, wherein a positioning column (121) is provided on one side of the chip mounting groove (120), and the positioning column (121) is inserted into a positioning hole (201) provided at the bottom of the microfluidic chip (200).
  8. 8. The fixture of a microfluidic chip (200) according to claim 1, wherein said device mounting groove (130) is used for natural light filling and mounting of a light filling lamp.
  9. 9. The fixture of claim 1, wherein said platen (210) is made of a transparent material, and said platen (210) is a convex lens structure.
  10. 10. The microfluidic chip (200) clamp according to claim 1, wherein the bottom of the clamp body (100) is provided with a liquid inlet (140) and a liquid outlet (150).

Description

Micro-fluidic chip fixture Technical Field The utility model relates to the technical field of microfluidic chips, in particular to a microfluidic chip clamp. Background The conventional microfluidic chip clamp is complex in structure, more than 5 accessories are provided, the microfluidic chip is not easy to replace, and the microfluidic chip clamp does not have a window perspective function. The device does not have other functions of expansion and installation, and is inconvenient to use. The existing microfluidic chip clamp is complex in structure, excessive in accessory types and difficult to assemble and disassemble. The existing microfluidic chip clamp is single in function, has no fixed mounting hole design, and cannot expand the use of other functions. The existing micro-fluidic chip clamp has low pressure resistance, adopts a buckle design, and has poor sealing performance. The existing microfluidic chip clamp is designed without an open slot; The existing microfluidic chip clamp is not provided with a light supplementing groove; Therefore, aiming at the technical characteristics, the patent provides a new technical scheme. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. The present utility model has been made in view of the problems existing in the existing microfluidic chip jigs. Therefore, the utility model aims to provide a microfluidic chip clamp, which can rapidly realize various connections of a microfluidic chip and pumps, valves, pipelines, converters and the like through a clamp body. The window arranged on the pressing plate can be used for observation. The clamp body is provided with an assembly hole, and can be clamped on the expansion equipment to realize multiple functions. In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided: a microfluidic chip fixture comprising a fixture body; The clamp comprises a clamp body, and is characterized in that a clamp mounting groove is formed in the clamp body, a chip mounting groove is formed in the clamp mounting groove, a device mounting groove is formed in the bottom of the clamp body, a liquid inlet is formed in the side wall of the clamp body, the liquid inlet is communicated with an L-shaped runner, the L-shaped runner is communicated with the chip mounting groove, a liquid outlet is further formed in the clamp body, the liquid outlet is communicated with the chip mounting groove through the L-shaped runner, opening grooves are formed in the top and the bottom of two sides of the clamp body, a microfluidic chip is mounted in the chip mounting groove, and the clamp is mounted at the top of the microfluidic chip. As a preferable scheme of the microfluidic chip clamp, fixing holes are uniformly formed in the periphery of the clamp plate mounting groove, threaded holes are uniformly formed in the periphery of the clamp plate, and screws penetrate through the threaded holes and are screwed into the fixing holes. As a preferable scheme of the microfluidic chip clamp, a positioning hole, a liquid inlet hole and a liquid discharge hole are formed in the bottom of the microfluidic chip, the liquid inlet hole is communicated with an L-shaped flow channel, and the liquid discharge hole is communicated with the L-shaped flow channel. As a preferable scheme of the microfluidic chip clamp, the front face and the two sides of the clamp main body are provided with liquid inlets, and any one of a threaded connector and a luer connector is screwed on the liquid inlets. As a preferable scheme of the micro-fluidic chip clamp, a counter bore is formed in the top of the L-shaped flow channel, and a sealing ring is arranged in the counter bore. As a preferable scheme of the microfluidic chip clamp, the front part and the bottom of the clamp main body are provided with assembly holes, and the clamp main body is fixedly connected with a microscope and a refrigeration platform through the assembly holes. As a preferable scheme of the microfluidic chip clamp, a positioning column is arranged on one side of the chip mounting groove, and is inserted into a positioning hole formed in the bottom of the microfluidic chip. As a preferable scheme of the microfluidic chip clamp, the device mounting groove is used for natural light supplement and mounting of a light supplement lamp. As a preferable scheme of the microfluidic chip clamp, the pressing plate can be made of transparent materials and is of a convex lens structure. As a preferable scheme of the microfluidic chip clamp, the bottom of the clamp main body is provided with a liquid inlet and a liquid outle