CN211073278U

CN211073278U - Flexible clamp for micro-fluidic chip

Info

Publication number: CN211073278U
Application number: CN201921527347.6U
Authority: CN
Inventors: 胡丛余
Original assignee: Shanghai Renjing Biological Technology Co ltd
Current assignee: Shanghai Renxin Biotechnology Co.,Ltd.
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-24
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a soft clamp for a microfluidic chip, which relates to the technical field of microfluidic chip clamps and comprises a left cylinder, a right cylinder, an adjusting component, soft blocks and a bottom plate, wherein the left cylinder and the right cylinder are arranged in a bilateral symmetry way, the adjusting component is provided with two soft blocks and is respectively fixed on the outer wall of the left cylinder and the outer wall of the right cylinder, the soft blocks are provided with two soft blocks and are respectively symmetrically arranged at the central positions of the inner walls of the left cylinder and the right cylinder, and the bottom plate is horizontally arranged at the lower positions of the left cylinder and the right cylinder; the adjusting assembly comprises vertical plates, return springs, screws, nuts, elastic shafts and extrusion plates, the vertical plates and the adjusting assembly are arranged in parallel from left to right, and the two return springs are horizontally fixed between the vertical plates and the adjusting assembly from top to bottom respectively; the beneficial effects of the utility model reside in that: the clamping degree of the clamp can be adjusted conveniently/the flexibility of the contact position of the clamp and the chip is improved.

Description

Flexible clamp for micro-fluidic chip

Technical Field

The utility model belongs to the technical field of micro-fluidic chip anchor clamps technique and specifically relates to a soft anchor clamps for micro-fluidic chip is related to.

Background

The micro-fluidic chip integrates basic operation units such as sample preparation, reaction, separation, detection and the like in the biological, chemical and medical analysis process on a micron-scale chip to automatically finish the whole analysis process, when a common clamp clamps the chip, the clamping force is difficult to control, so that the phenomenon of over-tightness or over-tightness of the chip is easily caused, and the contact position of the conventional flexible clamp and the chip has higher hardness and is easily abraded with the chip.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the clamping degree of the existing clamp is not well adjusted and the contact position of the clamp and a chip is too hard, the utility model aims to provide a soft clamp for a micro-fluidic chip.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a soft clamp for a microfluidic chip comprises a left cylinder, a right cylinder, adjusting assemblies, soft blocks and a bottom plate, wherein the left cylinder and the right cylinder are symmetrically arranged in a left-right mode, the adjusting assemblies are provided with two soft blocks and are respectively fixed on the outer walls of the left cylinder and the right cylinder, the soft blocks are provided with two soft blocks and are respectively symmetrically arranged at the central positions of the inner walls of the left cylinder and the right cylinder, and the bottom plate is horizontally arranged at the lower positions of the left cylinder and the right cylinder;

the adjusting assembly comprises vertical plates, reset springs, screw rods, nuts, elastic shafts and extrusion plates, the vertical plates and the adjusting assembly are arranged in parallel from left to right, the two reset springs are horizontally fixed between the vertical plates and the adjusting assembly from top to bottom respectively, the vertical plates are elastically connected with the adjusting assembly through the reset springs, the tail ends of the screw rods penetrate through the outer sides of the vertical plates, the nuts are in threaded connection with the outer walls of the screw rods and are attached to the middle positions of the outer surfaces of the vertical plates, the elastic shafts are welded to the tail ends of the screw rods, the extrusion plates are vertically fixed to the tail ends of the elastic shafts, and the inner walls of the extrusion plates are in middle contact with the outer;

the side channel has been seted up on the soft piece right side, just the side channel inner wall bonds there is the round cushion, soft piece outer wall vertical fixation has three piece at least equidistance spring beam of arranging, just left side cylinder and right cylinder inner wall intermediate position all set up flutedly, two soft piece symmetry card respectively goes into two in the recess and link to each other with left cylinder and right cylinder, three at least the spring beam end all contacts with the recess inner wall, just soft piece is through three at least spring beam and recess elastic connection.

Preferably, the screw is parallel to the space between the two return springs.

Preferably, an elastic plate which is provided with slide rails and is connected with the slide rails is arranged between the left cylinder and the right cylinder and close to the rear side, the left end and the right end of the elastic plate are respectively in contact with the left cylinder and the right cylinder, and the left cylinder and the right cylinder are in sliding connection through the cooperation of the elastic plate and the slide rails.

Preferably, the upper surface of the bottom plate is provided with two sliding chutes which are parallel to each other in the front-back direction, and two supporting plates which are arranged in the left-right direction are arranged above the bottom plate.

Preferably, two the equal vertical welding of backup pad lower surface front and back side has the slide bar, and every the end of slide bar slides in two respectively in the spout and rather than horizontal sliding connection, the backup pad passes through slide bar and bottom plate horizontal sliding connection, and two the semicircular groove has all been opened to the backup pad upper surface.

Preferably, the diameter of the semicircular groove is larger than the diameter of the left cylinder and the diameter of the right cylinder, the supporting plates are clamped into the positions below the outer surfaces of the left cylinder and the right cylinder through the semicircular grooves respectively, and the bottom plate is supported below the left cylinder and the right cylinder through the supporting plates.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: the screw rod is slowly screwed towards the direction of the adjusting component, so that the adjusting component is slowly extruded by the extruding plate, the extruded adjusting component can slowly push the left cylinder or the right cylinder to move towards the center, and after the adjusting component is adjusted to firmly clamp the chip, the nut can be screwed into the outer part of the screw rod and attached to the outer wall of the vertical plate, so that a user can conveniently and quickly adjust the clamping degree of the clamp, the operation is convenient and simple, and the convenience of the user for adjusting the clamp is greatly improved;

can effectively increase the elasticity space of soft piece and recess inner wall through the spring beam, go into left cylinder and right cylindrical recess with micro-fluidic chip's the both ends edge card respectively about for the left and right sides of chip all with two soft pad contacts of side inslot in the soft piece, soft piece and cushion can effectively avoid chip and recess direct contact and produce wearing and tearing, also can play the guard action simultaneously, increase the compliance of anchor clamps and chip contact position.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the soft block structure of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the bottom plate of the present invention.

The labels in the figure are: 1-left cylinder; 101-right cylinder; 102-a groove; 103-an elastic plate; 104-a slide rail; 2-a regulating component; 201-a vertical plate; 202-a return spring; 203-screw rod; 204-nut; 205-an elastic shaft; 206-a compression plate; 3-soft block; 301-side groove; 302-spring rod; 303-soft cushion; 4-a bottom plate; 401-a chute; 402-a support plate; 403-a slide bar; 404-semi-circular groove.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 3, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a soft clamp for a microfluidic chip comprises a left cylinder 1, a right cylinder 101, an adjusting component 2, a soft block 3 and a bottom plate 4, wherein the left cylinder 1 and the right cylinder 101 are symmetrically arranged in a left-right mode, the adjusting component 2 is provided with two soft blocks and is respectively fixed on the outer walls of the left cylinder 1 and the right cylinder 101, the soft block 3 is provided with two soft blocks and is respectively symmetrically arranged at the central positions of the inner walls of the left cylinder 1 and the right cylinder 101, the bottom plate 4 is horizontally arranged at the lower positions of the left cylinder 1 and the right cylinder 101, an elastic plate 103 is arranged between the left cylinder 1 and the right cylinder 101 and close to the rear side, sliding rails 104 are distributed on the surface of the elastic plate 103 and are connected with the left cylinder 1 and the right cylinder 101, the left cylinder 1 and the right cylinder 101 are in sliding connection through the matching of the elastic plate 103 and the sliding rails 104, a user can clamp the microfluidic chip between the left cylinder 1 and the, can increase the elasticity space between left cylinder 1 and the right cylinder 101 through elastic plate 103, and through the tight degree of clamp of the convenient to use person's adjustment left cylinder 1 of adjusting part 2 and right cylinder 101, the compliance of anchor clamps can be strengthened to soft piece 3, and bottom plate 4 can play the effect of support.

The adjusting component 2 in the embodiment of the utility model comprises a vertical plate 201, two restoring springs 202, a screw rod 203, a nut 204, an elastic shaft 205 and an extruding plate 206, wherein the vertical plate 201 and the adjusting component 2 are arranged in parallel from left to right, the restoring springs 202 are provided with two parts and are respectively horizontally fixed above and below the vertical plate 201 and the adjusting component 2, the vertical plate 201 is elastically connected with the adjusting component 2 through the restoring springs 202, the tail end of the screw rod 203 penetrates through the outer side of the vertical plate 201, the nut 204 is in threaded connection with the outer wall of the screw rod 203 and is attached to the middle position of the outer surface of the vertical plate 201, the elastic shaft 205 is welded to the tail end of the screw rod 203, the extruding plate 206 is vertically fixed at the tail end of the elastic shaft 205, the inner wall of the extruding plate 206 is in contact with the middle of the outer surface of the adjusting component 2, the screw rod 203 is parallel to the two restoring springs 202, a, afterwards alright pass the riser 201 outside with the end of screw rod 203, through elastic shaft 205 and stripper plate 206, laminate the inner wall of stripper plate 206 at adjusting part 2's outer wall, then the user adjusts the interval between left cylinder 1 and the right cylinder 101 according to micro-fluidic chip's length, slowly twist screw rod 203 to adjusting part 2 direction, make stripper plate 206 slowly extrude adjusting part 2, by extruded adjusting part 2 will slowly promote left cylinder 1 or right cylinder 101 to the central authorities remove, the adjustment is to firmly clip the back with the chip, alright with the outside of screwing in screw rod 203 of nut 204 and laminating can at the outer wall of riser 201, so not only the clamping degree of the quick adjustment anchor clamps of person of facilitating the use, and convenient operation is simple, the convenience of user adjustment anchor clamps has been improved greatly.

In the embodiment of the utility model, the right side of the soft block 3 is provided with a side groove 301, the inner wall of the side groove 301 is bonded with a circle of soft pad 303, the outer wall of the soft block 3 is vertically fixed with at least three spring rods 302 which are arranged equidistantly, the middle positions of the inner walls of the left cylinder 1 and the right cylinder 101 are both provided with a groove 102, two soft blocks 3 are respectively and symmetrically clamped into two grooves 102 and connected with the left cylinder 1 and the right cylinder 101, the ends of at least three spring rods 302 are all contacted with the inner wall of the groove 102, and the soft block 3 is elastically connected with the groove 102 through at least three spring rods 302, a user respectively and symmetrically clamps two soft blocks 3 into two grooves 102, and makes the ends of at least three spring rods 302 fit with the inner wall of the groove 102, the elastic space between the soft block 3 and the inner wall of the groove 102 can be effectively increased through the spring rods 302, the edges at the left end and the right end of the microfluidic, the left side and the right side of the chip are in contact with the soft pads 303 in the side grooves 301 of the two soft blocks 3, the soft blocks 3 and the soft pads 303 can effectively avoid abrasion caused by direct contact of the chip and the groove 102, and meanwhile, the protection effect can be achieved, and the flexibility of the contact position of the clamp and the chip is increased.

In this embodiment, the upper surface of the bottom plate 4 is provided with two sliding grooves 401 which are parallel to each other in a front-back direction, two supporting plates 402 which are arranged in a left-right direction are arranged above the bottom plate 4, sliding rods 403 are vertically welded on the front and back sides of the lower surfaces of the two supporting plates 402, the end of each sliding rod 403 slides into the two sliding grooves 401 and is connected with the sliding rods in a left-right sliding manner, the supporting plates 402 are connected with the bottom plate 4 in a left-right sliding manner through the sliding rods 403, the upper surfaces of the two supporting plates 402 are provided with semicircular grooves 404, the diameter of each semicircular groove 404 is larger than that of the left cylinder 1 and the right cylinder 101, the two supporting plates 402 are respectively clamped below the outer surfaces of the left cylinder 1 and the right cylinder 101 through the semicircular grooves 404, the bottom plate 4 is supported below the left cylinder 1 and the right cylinder 101 through the supporting plates 402, a user respectively clamps the two supporting plates 402 below the outer surfaces of the, when the distance between the left column 1 and the right column 101 is adjusted, the two support plates 402 will slide left and right along the slide groove 401 through the slide bar 403, and the bottom plate 4 therein can play a role of supporting the whole clamp.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a soft anchor clamps for micro-fluidic chip, includes left cylinder (1), right cylinder (101), adjusting part (2), soft piece (3) and bottom plate (4), its characterized in that: the left cylinder (1) and the right cylinder (101) are arranged in a bilateral symmetry mode, the adjusting assembly (2) is provided with two blocks which are fixed on the outer walls of the left cylinder (1) and the right cylinder (101) respectively, the soft block (3) is provided with two blocks which are arranged at the center positions of the inner walls of the left cylinder (1) and the right cylinder (101) respectively in a symmetrical mode, and the bottom plate (4) is horizontally arranged below the left cylinder (1) and the right cylinder (101);

the adjusting component (2) comprises a vertical plate (201), a return spring (202), a screw rod (203), a nut (204), an elastic shaft (205) and a pressing plate (206), the vertical plates (201) are arranged in parallel with the adjusting component (2) from left to right, two return springs (202) are arranged and horizontally fixed between the vertical plates (201) and the adjusting component (2) from top to bottom respectively, the vertical plate (201) is elastically connected with the adjusting component (2) through a return spring (202), the tail end of the screw rod (203) penetrates through the outer side of the vertical plate (201), the nut (204) is in threaded connection with the outer wall of the screw rod (203) and is attached to the middle position of the outer surface of the vertical plate (201), the elastic shaft (205) is welded at the tail end of the screw rod (203), the extrusion plate (206) is vertically fixed at the tail end of the elastic shaft (205), and the inner wall of the extrusion plate (206) is contacted with the middle of the outer surface of the adjusting component (2);

side groove (301) have been seted up on soft piece (3) right side, just side groove (301) inner wall bonds there is round cushion (303), soft piece (3) outer wall vertical fixation has spring beam (302) that three piece at least equidistance was arranged, just left side cylinder (1) and right cylinder (101) inner wall intermediate position all set up fluted (102), two soft piece (3) symmetry card respectively goes into two link to each other, three at least in recess (102) and with left cylinder (1) and right cylinder (101) spring beam (302) end all with recess (102) inner wall contact, just soft piece (3) are through three at least spring beam (302) and recess (102) elastic connection.

2. A flexible clamp for microfluidic chips as claimed in claim 1, wherein: the screw rod (203) is parallel to the position between the two return springs (202).

3. A flexible clamp for microfluidic chips as claimed in claim 1, wherein: the utility model discloses a cylinder, including left side cylinder (1) and right cylinder (101), be equipped with between left side cylinder (1) and right cylinder (101) and lean on the rear side to be equipped with surface distribution and have slide rail (104) and with elastic plate (103) that both link to each other, just both ends contact with left cylinder (1) and right cylinder (101) respectively about elastic plate (103), left side cylinder (1) and right cylinder (101) pass through elastic plate (103) and slide rail (104) cooperation sliding connection.

4. A flexible clamp for microfluidic chips as claimed in claim 1, wherein: two sliding grooves (401) which are parallel to each other in the front-back direction are formed in the upper surface of the bottom plate (4), and two supporting plates (402) which are arranged left and right are arranged above the bottom plate (4).

5. A flexible clamp for a microfluidic chip according to claim 4, wherein: two equal vertical welding in backup pad (402) lower surface front and back side has slide bar (403), and every the end of slide bar (403) slides in two respectively in spout (401) and rather than side-to-side sliding connection, backup pad (402) are through slide bar (403) and bottom plate (4) side-to-side sliding connection, and two semicircular groove (404) have all been opened to backup pad (402) upper surface.

6. A flexible clamp for a microfluidic chip according to claim 5, wherein: the diameter of the semicircular groove (404) is larger than the diameter of the left cylinder (1) and the right cylinder (101), the supporting plate (402) is clamped into the positions below the outer surfaces of the left cylinder (1) and the right cylinder (101) through the semicircular groove (404), and the bottom plate (4) is supported below the left cylinder (1) and the right cylinder (101) through the supporting plate (402).