CN217568823U

CN217568823U - Liquid transfer head dismounting and clamping box of pipettor

Info

Publication number: CN217568823U
Application number: CN202221773527.4U
Authority: CN
Inventors: 吴佳穗; 苏娜娜; 张钦君; 官海梅
Original assignee: Bazhong Jiutian Medical Laboratory Co ltd
Current assignee: Bazhong Jiutian Medical Laboratory Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-10-14
Anticipated expiration: 2032-07-11

Abstract

A disassembly and clamping box for a liquid transfer head of a pipettor comprises a disassembly box, wherein a placement box is arranged in the disassembly box, locking mechanisms are arranged on two sides of the placement box, the clamping box is arranged on one side of the disassembly box, and an upward jacking mechanism is arranged at the lower end of the disassembly box; the disassembly box is of a frame structure, the outer wall of one side of the upper end of the disassembly box is provided with a wedge-shaped plate, the wedge-shaped plate is provided with a U-shaped groove, and the upper end of the U-shaped groove is opened; the locking mechanisms act on two ends of the upper end of the placing box and are used for limiting and locking the upper end of the placing box; the upper ejection mechanism acts on the lower end of the placing box, and when the locking mechanism cancels the locking of the upper end of the placing box, the upper ejection mechanism acts on the lower end of the placing box so as to enable the placing box to pop up; the clamping box is used for placing a plurality of liquid transferring heads. Compared with the prior art, the utility model conveniently carry out the supplementary operation of withdrawing from of liquid head on the pipette to also conveniently carry out the collection of liquid head, and then avoid liquid head to cause the pollution to the environment, still conveniently carry out not using simultaneously and move placing of liquid head.

Description

Liquid transfer head dismounting and clamping box of pipettor

Technical Field

The utility model relates to a medical science detects auxiliary assembly technical field, especially relates to a pipettor moves liquid head and dismantles card dress box.

Background

The liquid transfer device has an important function when being used as a tool for accurately injecting liquid in medical detection or detection reagent preparation, the conventional liquid transfer device is used for avoiding cross contamination among liquids, the liquid transfer head is usually required to be frequently replaced after the liquid is extracted and transferred, although the conventional liquid transfer device has the function of automatically withdrawing the liquid transfer head, the conventional liquid transfer device is inconvenient to collect the liquid transfer head when being withdrawn, and meanwhile, the liquid transfer head is inconvenient to withdraw due to too firm assembly when being withdrawn, so that certain influence is caused on the disassembly of the liquid transfer head.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipettor moves liquid head and dismantles card dress box to solve the not enough of above-mentioned prior art, conveniently carry out the dismantlement operation that moves the liquid head, conveniently dismantle the collection of back liquid head simultaneously, avoid moving the first inside liquid of liquid and cause the pollution to the environment, have stronger practicality.

In order to realize the purpose of the utility model, the following technologies are adopted:

a liquid transfer head dismounting and clamping box for a pipettor comprises a dismounting box, wherein a placing box is arranged in the dismounting box, locking mechanisms are arranged on two sides of the placing box, the clamping box is arranged on one side of the dismounting box, and an upward jacking mechanism is arranged at the lower end of the dismounting box;

the disassembly box is of a frame structure, the outer wall of one side of the upper end of the disassembly box is provided with a wedge-shaped plate, the wedge-shaped plate is provided with a U-shaped groove, and the upper end of the U-shaped groove is opened;

the locking mechanisms act on two ends of the upper end of the placing box and are used for limiting and locking the upper end of the placing box;

the upper ejection mechanism acts on the lower end of the placing box, and when the locking mechanism cancels the locking of the upper end of the placing box, the upper ejection mechanism acts on the lower end of the placing box so as to enable the placing box to pop up;

the clamping box is used for placing a plurality of liquid transferring heads.

Furthermore, two sides of the upper end of the placing box are provided with locking grooves, and one side of the placing box is provided with an upward extending plate in an upward extending mode.

Furthermore, a holding window is arranged on the upper extension plate, and a concave plate is arranged on the inner wall of the upper edge of the holding window.

Furthermore, the locking mechanism comprises a plurality of inner top spring pins arranged on the side wall of the dismounting box, inner top springs are sleeved at the outer side ends of the inner top spring pins, inner top plates are arranged at the inner side ends of the inner top springs, the inner top plates are sleeved on the inner top spring pins, locking blocks are arranged on the inner top plates in an extending mode, the locking blocks penetrate through the side wall of the dismounting box, and the inner side ends of the locking blocks penetrate through the locking grooves.

Further, the outer wall of interior roof is equipped with outer lug, and the evagination piece has been seted up the activity hole from last to ground, dismantles the lateral wall of box and installs outer boss, has worn a pair of top spring catch on the outer boss, and the upper end of top spring catch all is equipped with the top spring, and the top that is located outer boss of top spring, the lower extreme of top spring catch are equipped with down the push pedal, and the lower extreme of down the push pedal is equipped with the wedge, and the outer wall of wedge is the inclined plane, the lower extreme leanin on inclined plane.

Furthermore, the upper ejection mechanism comprises a pair of concave supports installed at the lower end of the dismounting box, downward extending barrels are arranged on the concave supports, ejection pins penetrate through the downward extending barrels, ejection springs are sleeved at the upper ends of the ejection pins and located above the concave supports, upper ejection plates are arranged at the upper ends of the ejection pins and located above the ejection springs, the upper ejection plates act on the bottom of the placing box, and supporting plates are installed at the lower ends of the downward extending barrels.

Further, be equipped with a plurality of baffles in the clamping box, a plurality of ejection of compact U grooves have been seted up to one side upper end of clamping box, ejection of compact U groove is located between two adjacent baffles, be equipped with the end between two adjacent baffles and fix the board, every all be equipped with the guide arm between to the end is fixed the board, the lower extreme of every guide arm all overlaps and is equipped with the spring that clamps, the upper end that clamps the spring is equipped with the top bottom plate, it is located between two adjacent baffles to go up the top bottom plate, the guide arm is located to every pot head of going up the top bottom plate, the end is fixed the board that is located the upper end and all articulates there is the cardboard, the upper wall of going up the cardboard all is equipped with and prolongs the end plate, it all has worn the post to prolong on the end plate, the other end of wearing the post is equipped with the end and wears the board, the end is worn the board and all installs in the end solid board that is located the upper end.

The technical scheme has the advantages that:

compared with the prior art, the utility model conveniently carry out the supplementary operation of withdrawing from of pipette head to also conveniently carry out the collection of pipette head, and then avoid the pipette head to cause the pollution to the environment, still conveniently carry out not using placing of pipette head simultaneously, also conveniently carry out the installation operation of pipette head simultaneously. Wherein, dismantle the supplementary operation of withdrawing from of the convenient liquid head that carries on that sets up of box to be convenient for carry out the change operation of liquid head, and place the convenient collection that abandons the liquid head that carries on of box, still conveniently place the automation of box simultaneously through last top mechanism and locking mechanical system ejecting, thereby be convenient for abandon the pouring of liquid head that moves, clamp the box and can store a certain amount of liquid head that moves, thereby conveniently carry out the installation operation of liquid head that moves, have stronger practicality.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective view of a first embodiment.

Fig. 2 shows an enlarged view at a.

Fig. 3 shows an enlarged view at B.

Fig. 4 shows an enlarged view at C.

FIG. 5 shows a second perspective view of one embodiment.

Fig. 6 shows an enlarged view at D.

Fig. 7 shows a perspective view of the storage box.

Detailed Description

As shown in fig. 1 to 7, a pipette tip dismounting and clamping box comprises a dismounting box 1, a placing box 2 is arranged in the dismounting box 1, locking mechanisms 3 are arranged on two sides of the placing box 2, a clamping box 4 is arranged on one side of the dismounting box 1, and an upward jacking mechanism 5 is arranged at the lower end of the dismounting box 1; the disassembling box 1 is in a frame-shaped structure, a wedge-shaped plate 11 is arranged on the outer wall of one side of the upper end of the disassembling box, a U-shaped groove 10 is formed in the wedge-shaped plate 11, and the upper end of the U-shaped groove 10 is opened; the locking mechanisms 3 act on two ends of the upper end of the placing box 2 and are used for limiting and locking the upper end of the placing box 2; the upper ejection mechanism 5 acts on the lower end of the placing box 2, and when the locking mechanism 3 cancels the locking of the upper end of the placing box 2, the upper ejection mechanism 5 acts on the lower end of the placing box 2 to enable the placing box 2 to pop up; the cartridge 4 is used for the placement of a plurality of pipetting heads.

When withdrawing the liquid transfer head, a gap between the root of the liquid transfer head and the liquid transfer device is arranged at the upper end of the wedge-shaped plate 11 in a penetrating mode, a connecting pipe on the liquid transfer device penetrates through the U-shaped groove 10, then the liquid transfer device is moved downwards, so that the liquid transfer head is gradually pushed out from the connecting pipe on the liquid transfer device through the wedge-shaped plate 11, the pushed liquid transfer device falls into the placing box 2, when more liquid transfer heads are placed in the placing box 2, the locking effect of the locking mechanism 3 on the upper end of the placing box 2 is cancelled, then the placing box 2 moves upwards under the action of the upper jacking mechanism 5, the placing box 2 is moved out from the disassembling box 1, then the operator pours the liquid transfer head out, the placing box 2 is cleaned and sterilized, the placing box 2 is placed in the disassembling box 1, and the upper end of the placing box 2 is positioned through the locking mechanism 3.

When the pipette tip is mounted, the connecting tube on the pipette is directly opposite to the end of the pipette tip placed in the clamping box 4, and acts on the end of the pipette tip, and finally the mounting operation of the pipette tip is completed.

Two sides of the upper end of the placing box 2 are provided with locking grooves 20, and one side of the placing box 2 is provided with an upper extending plate 21 in an upward extending manner. The upper extension plate 21 is provided with a holding window 22, and the upper edge inner wall of the holding window 22 is provided with a concave plate 23.

The setting of holding window 22 conveniently carries out the operating personnel and places the holding of box 2 to will place box 2 and follow and dismantle and shift out in the box 1, and the setting of notch plate 23 prevents when placing shifting out of box 2, avoids causing the cut to operating personnel's hand.

The locking mechanism 3 comprises a plurality of inner top spring pins 30 mounted on the side wall of the detachable box 1, inner top springs 31 are sleeved at the outer side ends of the inner top spring pins 30, inner top plates 32 are arranged at the inner side ends of the inner top springs 31, the inner top plates 32 are sleeved on the inner top spring pins 30, locking blocks are arranged on the inner top plates 32 in an inward extending mode, the locking blocks penetrate through the side wall of the detachable box 1, and the inner side ends of the locking blocks penetrate through the locking grooves 20. The outer wall of the inner top plate 32 is provided with an outer convex block 33, the outer convex block 33 is provided with a movable hole 330 from top to bottom, an outer boss 34 is installed on the side wall of the detachable box 1, a pair of upward-pushing spring pins 35 penetrate through the outer boss 34, an upward-pushing spring 36 is sleeved on the upper end of each upward-pushing spring pin 35, the upper end of each upward-pushing spring 36 is located above the outer boss 34, the lower end of each upward-pushing spring pin 35 is provided with a downward-pushing plate 37, the lower end of each downward-pushing plate 37 is provided with a wedge block 38, the outer wall of each wedge block 38 is an inclined plane, and the lower end of the inclined plane inclines inwards. The upward pushing mechanism 5 comprises a pair of concave supports 50 mounted at the lower end of the dismounting box 1, downward extending cylinders 51 are arranged on the concave supports 50, ejection pins 53 penetrate through the downward extending cylinders 51, ejection springs 54 are sleeved on the upper ends of the ejection pins 53, the ejection springs 54 are located above the concave supports 50, upper ejector plates 55 are arranged at the upper ends of the ejection pins 53, the upper ejector plates 55 are located above the ejection springs 54, the upper ejector plates 55 act on the bottom of the placing box 2, and supporting plates 52 are mounted at the lower ends of the downward extending cylinders 51.

When placing the fixed of box 2, will place box 2 and wear to establish in dismantling box 1 to press the upper end of placing box 2, thereby make and place box 2 downstream, establish in locking recess 20 until the locking piece card, and finally accomplish the fixed operation of placing box 2.

When taking out the placing box 2, an operator presses the spring pins 35 on the two sides downwards, so that the wedge block 38 moves downwards, when the wedge block 38 moves downwards, the inclined surface of the wedge block 38 acts on the outer side wall of the movable hole 330, so that the outer convex block 33 moves outwards, the locking block moves outwards due to the outward movement of the outer convex block 33 until the locking block cancels the fixing operation of the placing box 2, then the placing box 2 moves upwards under the action of the ejection spring 54, and finally the ejection operation of the placing box 2 is completed, and the moving-out operation of the placing box 2 is convenient to carry out in this way.

Be equipped with a plurality of baffles 400 in the card dress box 4, a plurality of ejection of compact U grooves 41 have been seted up to one side upper end that clamps box 4, ejection of compact U groove 41 is located between two adjacent baffles 400, be equipped with end solid board 42 between two adjacent baffles 400, every pair all is equipped with the guide arm between the end solid board 42, the lower extreme of every guide arm all overlaps and is equipped with and clamps the spring, the upper end that clamps the spring is equipped with top base plate, it is located between two adjacent baffles 400 to go up top base plate, the guide arm is located to every pot head of going up top base plate, the end solid board 42 that is located the upper end all articulates there is last cardboard 43, the upper wall of going up cardboard 43 all is equipped with and prolongs end plate 46, it has all worn post 45 to go up to prolong on end plate 46, the other end of wearing post 45 is equipped with end and wears board 44, end wears board 44 all installs in the end solid board 42 that is located the upper end.

Wherein, the setting of ejection of compact U groove 41 makes things convenient for penetrating of pipettor connecting pipe to conveniently carry out the installation operation of pipettor head, and conveniently carry out the location operation to the connecting pipe of pipettor.

Wherein, the setting that clamps the spring can make the automatic upward movement of liquid-transfering head through going up the top bottom plate to conveniently carry out the installation operation of liquid-transfering head.

Wherein, the last cardboard 43 that rotates the setting not only plays spacing effect to the upper end of pipetting head to conveniently carry out the operation of clamping of pipetting head, still conveniently shift the pipetting head to between two adjacent baffles 400 simultaneously, and the setting of wearing post 45 avoids when carrying out the pipetting head and clamps, takes place the rotation of last cardboard 43.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A liquid transfer head dismounting and clamping box of a pipettor is characterized by comprising a dismounting box (1), wherein a placing box (2) is arranged in the dismounting box (1), locking mechanisms (3) are arranged on two sides of the placing box (2), a clamping box (4) is arranged on one side of the dismounting box (1), and an upper jacking mechanism (5) is arranged at the lower end of the dismounting box (1);

the disassembly box (1) is of a frame-shaped structure, the outer wall of one side of the upper end of the disassembly box is provided with a wedge-shaped plate (11), the wedge-shaped plate (11) is provided with a U-shaped groove (10), and the upper end of the U-shaped groove (10) is opened;

the locking mechanisms (3) act on two ends of the upper end of the placing box (2) and are used for limiting and locking the upper end of the placing box (2);

the upper ejection mechanism (5) acts on the lower end of the placing box (2), and when the locking mechanism (3) cancels the locking of the upper end of the placing box (2), the upper ejection mechanism (5) acts on the lower end of the placing box (2) to enable the placing box (2) to pop up;

the card box (4) is used for placing a plurality of pipetting heads.

2. The pipette tip removing and chucking box according to claim 1, wherein locking grooves (20) are formed in both sides of the upper end of the holding box (2), and an upper extending plate (21) is provided to extend upward from one side of the holding box (2).

3. The pipette tip removing and cartridge holding box according to claim 2, wherein the upper extending plate (21) is provided with a holding window (22), and a concave plate (23) is arranged on the inner wall of the upper edge of the holding window (22).

4. The pipette tip removing cartridge according to claim 1, wherein the locking mechanism (3) comprises a plurality of inner ejector spring pins (30) mounted on a side wall of the removing cartridge (1), outer ends of the inner ejector spring pins (30) are respectively sleeved with an inner ejector spring (31), inner side ends of the inner ejector springs (31) are provided with inner top plates (32), the inner top plates (32) are sleeved on the inner ejector spring pins (30), the inner top plates (32) are provided with locking blocks extending inwards, the locking blocks penetrate through the side wall of the removing cartridge (1), and inner side ends of the locking blocks penetrate through the locking grooves (20).

5. The pipette tip dismounting card box according to claim 4, wherein an outer convex block (33) is arranged on the outer wall of the inner top plate (32), the outer convex block (33) is provided with a movable hole (330) from top to bottom, an outer boss (34) is installed on the side wall of the dismounting box (1), a pair of upper ejection spring pins (35) penetrate through the outer boss (34), upper ejection springs (36) are sleeved at the upper ends of the upper ejection spring pins (35), the upper ejection springs (36) are positioned above the outer boss (34), a lower pushing plate (37) is arranged at the lower end of the upper ejection spring pins (35), wedge blocks (38) are arranged at the lower ends of the lower pushing plates (37), the outer wall of each wedge block (38) is an inclined surface, and the lower ends of the inclined surfaces are inclined inwards.

6. The pipette tip removing cartridge according to claim 1, wherein the ejector mechanism (5) comprises a pair of concave brackets (50) mounted at the lower end of the removing cartridge (1), each concave bracket (50) is provided with a downward extending barrel (51), each downward extending barrel (51) is penetrated with an ejector pin (53), each ejector pin (53) is sleeved with an ejector spring (54), each ejector spring (54) is located above the corresponding concave bracket (50), each ejector pin (53) is provided with an upper top plate (55) at the upper end thereof, each upper top plate (55) is located above the corresponding ejector spring (54), each upper top plate (55) acts on the bottom of the corresponding placement cartridge (2), and each support plate (52) is mounted at the lower end of the corresponding downward extending barrel (51).

7. The pipette tip dismounting and clamping box according to claim 1, wherein a plurality of partition plates (400) are arranged in the clamping box (4), a plurality of discharge U grooves (41) are formed in the upper end of one side of the clamping box (4), the discharge U grooves (41) are located between every two adjacent partition plates (400), an end fixing plate (42) is arranged between every two adjacent partition plates (400), a guide rod is arranged between every two end fixing plates (42), a clamping spring is sleeved at the lower end of each guide rod, an upper top bottom plate is arranged at the upper end of the clamping spring, the upper top bottom plate is located between every two adjacent partition plates (400), one end of each upper top bottom plate is sleeved on the guide rod, the end fixing plates (42) at the upper end are hinged with upper clamping plates (43), upper walls of the upper clamping plates (43) are provided with upper extending end plates (46), penetrating columns (45) are respectively penetrated on the upper extending end plates (46), the other ends of the penetrating columns (45) are provided with end penetrating plates (44), and the end penetrating plates (44) are respectively mounted on the end fixing plates (42).