CN212980636U

CN212980636U - Pipette tip inserting device

Info

Publication number: CN212980636U
Application number: CN202021266799.6U
Authority: CN
Inventors: 黎雪梅; 李扬; 袁杭; 毛源; 文华廷
Original assignee: NANJING KINGMED MEDICAL DIAGNOSTICS INSTITUTE CO LTD
Current assignee: NANJING KINGMED MEDICAL DIAGNOSTICS INSTITUTE CO LTD
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-16
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to the biological field, in particular to a liquid-transfering gun head inserting device, which comprises a gun head arrangement box, a gun head box and a baffle plate; the gun head box is provided with a plurality of gun head holes; the gun head arrangement box comprises a bottom plate, and fixing plates are arranged on four sides of the bottom plate; the fixed plates on the left side and the right side comprise fixed plate end parts and a plurality of fixed plate comb teeth; the bottom plate comprises a collection plate and a plurality of partition plates; the collecting plate is positioned at the rear side of the bottom plate; the partition plates are arranged on the bottom plate at intervals and comprise gun head accommodating parts at two sides and a middle white part; a fixing groove is formed between the clapboards; the fixing grooves extend to the left side and the right side of the fixing plate; the gun head containing part of the clapboard is provided with a plurality of grooves; the grooves between the two clapboards correspond one to form fixing holes. The gun head inserting device is low in manufacturing cost, simple and easy to operate, capable of quickly inserting the gun head and effectively reducing gun head pollution caused in the gun head inserting process.

Description

Pipette tip inserting device

Technical Field

The utility model relates to a biological field, concretely relates to liquid-transfering gun head cartridge device.

Background

In the field of biotechnology applications, it is often necessary to manipulate laboratory samples in various laboratory protocols using pipettes that draw a volume of liquid into the pipette and then dispense the liquid into one or more dispensed volumes. The pipette is a kind of pipette, is commonly used for pipetting small or trace amounts of liquid in laboratories, and is one of the most commonly used quantitative pipetting tools in molecular biology, cell biology and other biologically relevant professional experiments.

Because the rifle head must insert the rifle head box after just can using, in order to get and put the rifle head conveniently, before using the rifle head, need place the rifle head vertically in rifle head box, place the rifle head frame that has the rifle head hole in the rifle head box, the rifle head is inserted in each rifle head hole in order. Therefore, it is one of the routine works in the biological laboratory to assemble a plastic lance tip. The common mode of operation is to manually load the plastic tips one by one into a tip box for subsequent sterilization or direct use. However, if the number of gun heads consumed by a biological laboratory every day is small, 10 boxes are more than 10 boxes, and more than hundreds of boxes are more than one, if the gun heads are assembled manually, the time for filling one box of gun heads is about 4-5 minutes, so that the manual loading of the gun heads used every day is time-consuming and labor-consuming, the workload is large, and the gun heads are tedious and tedious, and the workers in the laboratory are always puzzled.

At present, the gun heads in the market are also packaged in whole boxes, namely the gun heads are placed in orderly arranged gun head boxes. However, if a user purchases a whole box of tips, the cost is several times to ten times higher than that of purchasing scattered packing tips, and because the amount of tips is large, a large amount of plastic garbage is formed in an empty tip box after the tips are used up. In order to save cost, a user usually chooses to buy a large number of scattered gun heads and places the gun heads in a gun head box through manual operation, so that the problem of plastic garbage can be solved, the time and the labor are consumed, the efficiency is low, the gun heads are easily polluted, and the use of the gun heads is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a pipettor rifle head cartridge device, mainly solve the problem that present pipettor rifle head in use cartridge wastes time and energy. The gun head inserting device is low in manufacturing cost, simple and easy to operate, capable of quickly inserting the gun head and effectively reducing gun head pollution caused in the gun head inserting process.

For realizing the purpose of the utility model, the utility model adopts the technical proposal that:

a pipette tip insertion device comprises a pipette tip arrangement box, a pipette tip box and a baffle plate; the gun head box is provided with a plurality of gun head holes; the gun head arrangement box comprises a bottom plate, and fixing plates are arranged on four sides of the bottom plate; the fixed plates on the left side and the right side comprise fixed plate end parts and a plurality of fixed plate comb teeth; the bottom plate comprises a collection plate and a plurality of partition plates; the collecting plate is positioned at the rear side of the bottom plate; the partition plates are arranged on the bottom plate at intervals and comprise gun head accommodating parts at two sides and a middle white part; a fixing groove is formed between the clapboards; the fixing grooves extend to the left side and the right side of the fixing plate; the gun head containing part of the clapboard is provided with a plurality of grooves; the grooves between the two clapboards correspond one to form fixing holes.

Further, the diameter of the gun head hole is smaller than the maximum diameter of the top end of the gun head.

Furthermore, four fixing plates are fixedly connected.

Furthermore, the left and right fixing plates in the four fixing plates are in a comb tooth shape, and the front and rear fixing plates are rectangular.

Further, the distance between the fixing grooves is smaller than the maximum diameter of the top of the gun head.

Further, the diameter of the fixing hole is smaller than the maximum diameter of the top of the gun head.

Further, the fixing hole is in a shape of a circular truncated cone.

Furthermore, the number of the baffle plates is two, the baffle plates are comb-shaped, and each baffle plate comprises a baffle plate end part and a plurality of baffle plate comb teeth.

Furthermore, a handle is fixed on the front fixing plate.

Furthermore, four corners of the gun head arrangement box are respectively provided with a supporting column for supporting; the height of the strut is higher than that of the gun head box.

Compared with the prior art, the application has the following beneficial effects:

according to the invention, through the matching arrangement of the gun head arrangement box, the baffle plate and the like, the gun head can be conveniently inserted into the gun head box, the insertion of the gun head is rapidly completed, meanwhile, the pollution is reduced, and the working efficiency is improved.

Be provided with the fixed orifices between the baffle, the fixed orifices is round platform shape, can accomplish the appearance of rifle head comparatively conveniently and keep accomodating, improves the efficiency of rifle head cartridge.

Drawings

Fig. 1 is a schematic view of a gun head arrangement box;

fig. 2 is a top view of the gun head arrangement box;

FIG. 3 is a schematic view of a baffle;

fig. 4 is a top view of the cartridge.

1. A gun head arrangement box; 2. a cartridge for the gun head; 3. a baffle plate; 4. a gun head hole; 5. a base plate; 6. a fixing plate; 7. fixing the end of the board; 8. fixing plate comb teeth; 9. collecting; 10. a partition plate; 11. fixing grooves; 12. a gun head holding part; 13. a blank section; 14. a groove; 15. a fixing hole; 16. a baffle end; 17. baffle comb teeth; 18. a handle.

Detailed Description

Example 1

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A pipette tip inserting device comprises a pipette tip arrangement box 1, a pipette tip box 2 and a baffle 3; the gun head box 2 is provided with a plurality of gun head holes 4; the diameter of the gun head hole is smaller than the maximum diameter of the top end of the gun head; the gun head is fixed; the gun head arrangement box 1 comprises a bottom plate 5, and fixing plates 6 are arranged on four sides of the bottom plate; the four fixing plates are fixedly connected; the left and right fixing plates in the four fixing plates are in a comb tooth shape, and the front and rear fixing plates are in standard rectangles; the fixing plates on the left side and the right side comprise fixing plate end parts 7 and a plurality of fixing plate comb teeth 8; the number of the fixed plate comb teeth is preferably 12;

the bottom plate 5 comprises a collection plate 9 and a plurality of partition plates 10; the collecting plate 9 is positioned at the rear side of the bottom plate 5; used for collecting the redundant rifle head; the partition plates 10 are arranged on the bottom plate 5 at intervals, and fixing grooves 11 are formed among the partition plates; the number of the partition boards is preferably 12; the clapboard 11 comprises gun head containing parts 12 at two sides and a middle white part 13; the fixing grooves 11 extend to the fixing plate towards the left side and the right side; the partition plate is fixedly connected with the comb teeth of the left and right fixed plates; the widths of the plurality of fixing grooves 11 are consistent; the distance between the fixing grooves is smaller than the maximum diameter of the top of the gun head; a plurality of grooves 14 are formed in the gun head containing part of the partition plate 10; the grooves between the two partition plates are in one-to-one correspondence to form fixing holes 15; the diameter of the fixing hole is smaller than the maximum diameter of the top of the gun head; the gun head is fixed;

the number of the baffle plates 3 is two, the baffle plates 3 are comb-shaped, and each baffle plate 3 comprises a baffle plate end part 16 and a plurality of baffle plate comb teeth 17; the baffle comb teeth are preferably 12; the baffle comb teeth correspond to the fixing grooves of the partition plate one by one and can be inserted into the left side and the right side of the fixing grooves to play a role of blocking the gun heads; the length of the baffle end part 16 is smaller than that of the baffle comb teeth 17; so that the baffle comb teeth are more easily inserted into the fixing grooves; the front side and the rear side of the bottom plate are also provided with clamping grooves for fixing the baffle when the baffle is inserted.

Four corners of the gun head arrangement box are respectively supported by a strut 18; the height of the strut is higher than that of the gun head box; the front fixing plate is fixed with a handle 19, and the handle can be arranged to conveniently move the whole inserting device and prevent the inserting device from being polluted.

Example 2

The length of the gun head arrangement box is 24cm, and the length of the front fixing plate and the rear fixing plate is 24 cm; the height of the fixing plate is 5 cm; the length of the end parts of the fixed plates of the left and right fixed plates is 19 cm; the width is 2 cm; the comb teeth of the fixing plates of the left and right fixing plates are 3cm long; the width is 3.59 mm; the height of the support column is 5 cm; the length of the white part is 10 cm; the length of the collecting plate is 24 cm; the width is 6 cm; the handle is 8cm long, 5cm wide and 2-3 cm thick; in the embodiment, the insertion device is suitable for a 200uL gun head, and the width of the partition plate is 3.59 mm; the clearance between the baffle is 5.45mm, the distance between two fixed orificess is: 3.06 mm; the fixing hole is in a round table shape, the diameter of the upper bottom surface of the fixing hole is 5.75mm, the diameter of the lower bottom surface of the fixing hole is 5.45mm, and the height of the fixing hole is 2 mm.

The using method comprises the following steps:

the baffle plates are inserted into the left side and the right side of the gun head arrangement box, a plurality of gun heads are poured onto the gun head arrangement box of the pipette head inserting device, the tip of the gun heads are scratched into a gap between the two partition plates in a direct manner under the action of gravity, and the tip of the gun heads are rightly clamped at the distance between the partition plates by shaking the gun head arrangement box all around because the distance between the partition plates is smaller than the maximum diameter of the top of the gun heads; driving and extruding the gun heads at one end of the device box, then aligning the gun heads of the gun head arrangement box to gun head holes in the gun head box for insertion, fixing the front and rear positions of the gun heads under the action of the partition plate, fixing the left and right positions under the action of the gun head holes, fixing the gun heads, drawing out the baffle plate, and filling the gun heads into the gun head box to complete the insertion of a row of gun heads; the spacing between the fixed tips was 1.87 mm.

Example 3

A pipette tip insertion device comprises a pipette tip arrangement box, a pipette tip box and a baffle plate; the gun head box is provided with a plurality of gun head holes; the diameter of the gun head hole is smaller than the maximum diameter of the top end of the gun head; the gun head is fixed; the gun head arrangement box comprises a bottom plate, and fixing plates are arranged on four sides of the bottom plate; the four fixing plates are fixedly connected; the left and right fixing plates in the four fixing plates are in a comb tooth shape, and the front and rear fixing plates are in standard rectangles; the fixed plates on the left side and the right side comprise fixed plate end parts and a plurality of fixed plate comb teeth; the number of the fixed plate comb teeth is preferably 12;

the bottom plate comprises a collection plate and a plurality of partition plates; the collecting plate is positioned at the rear side of the bottom plate; used for collecting the redundant rifle head; the partition plates are arranged on the bottom plate at intervals, and fixing grooves are formed among the partition plates; the number of the partition boards is preferably 12; the clapboard comprises gun head accommodating parts at two sides and a middle white part; the fixing grooves extend to the left side and the right side of the fixing plate; the partition plate is fixedly connected with the comb teeth of the left and right fixed plates; the widths of the fixing grooves are consistent; the distance between the fixing grooves is smaller than the maximum diameter of the top of the gun head; the gun head containing part of the clapboard is provided with a plurality of grooves; the grooves between the two partition plates are in one-to-one correspondence to form fixing holes; the diameter of the fixing hole is smaller than the maximum diameter of the top of the gun head; the gun head is fixed;

the number of the baffle plates is two, the baffle plates are in a comb shape, and each baffle plate comprises a baffle plate end part and a plurality of baffle plate comb teeth; the baffle comb teeth are preferably 12; the baffle comb teeth correspond to the fixing grooves of the partition plate one by one and can be inserted into the left side and the right side of the fixing grooves to play a role of blocking the gun heads; the length of the baffle end part 16 is smaller than that of the baffle comb teeth 17; so that the baffle comb teeth are more easily inserted into the fixing grooves; the front side and the rear side of the bottom plate are also provided with clamping grooves for fixing the baffle when the baffle is inserted.

Four corners of the gun head arrangement box are respectively provided with a supporting column for supporting; the height of the strut is higher than that of the gun head box; a handle is fixed on the front fixing plate, and the whole insertion device can be conveniently moved by the arrangement of the handle, and meanwhile, the handle is prevented from being polluted;

the length of the gun head arrangement box is 24cm, and the length of the front fixing plate and the rear fixing plate is 24 cm; the height of the fixing plate is 5 cm; the length of the end parts of the fixed plates of the left and right fixed plates is 19 cm; the width is 2 cm; the comb teeth of the fixing plates of the left and right fixing plates are 3cm long; the width is 3.59 mm; the height of the support column is 5 cm; the length of the white part is 10 cm; the length of the collecting plate is 24 cm; the width is 6 cm; the handle is 8cm long, 5cm wide and 2-3 cm thick; the inserting device is suitable for a 10uL gun head, and the width of the partition plate is 3.98 mm; the clearance between the baffle is 4.10mm, the distance between two fixed orificess is: 3.76 mm; the fixing hole is in a round table shape, the diameter of the upper bottom surface of the fixing hole is 5.10mm, and the height of the fixing hole is 2 mm.

The using method comprises the following steps:

the baffle plates are inserted into the left side and the right side of the gun head arrangement box, a plurality of gun heads are poured onto the gun head arrangement box of the pipette head inserting device, the tip of the gun heads are scratched into a gap between the two partition plates in a direct manner under the action of gravity, and the tip of the gun heads are rightly clamped at the distance between the partition plates by shaking the gun head arrangement box all around because the distance between the partition plates is smaller than the maximum diameter of the top of the gun heads; driving and extruding the gun heads at one end of the device box, then aligning the gun heads of the gun head arrangement box to gun head holes in the gun head box for insertion, fixing the front and rear positions of the gun heads under the action of the partition plate, fixing the left and right positions under the action of the gun head holes, fixing the gun heads, drawing out the baffle plate, and filling the gun heads into the gun head box to complete the insertion of a row of gun heads; the spacing between the fixed rifle heads is 3.05 mm.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipetting gun head inserting device is characterized by comprising a gun head arrangement box, a gun head box and a baffle plate; the gun head box is provided with a plurality of gun head holes; the gun head arrangement box comprises a bottom plate, and fixing plates are arranged on four sides of the bottom plate; the fixed plates on the left side and the right side comprise fixed plate end parts and a plurality of fixed plate comb teeth; the bottom plate comprises a collection plate and a plurality of partition plates; the collecting plate is positioned at the rear side of the bottom plate; the partition plates are arranged on the bottom plate at intervals and comprise gun head accommodating parts at two sides and a middle white part; a fixing groove is formed between the clapboards; the fixing grooves extend to the left side and the right side of the fixing plate; the gun head containing part of the clapboard is provided with a plurality of grooves; the grooves between the two clapboards correspond one to form fixing holes.

2. The pipette tip insertion device according to claim 1, wherein the diameter of the bore of the pipette tip is smaller than the maximum diameter of the tip end of the pipette tip.

3. The pipette tip insertion device according to claim 1, wherein four of the fixing plates are fixedly connected.

4. The pipette tip inserting apparatus according to claim 1, wherein two left and right of the four fixing plates are comb-shaped, and two front and rear fixing plates are rectangular.

5. The pipette tip insertion device according to claim 1, wherein the pitch of the fixing grooves is smaller than the maximum diameter of the tip portion of the pipette tip.

6. The pipette tip insertion device according to claim 1, wherein the diameter of the fixing hole is smaller than the maximum diameter of the tip portion of the pipette tip.

7. The pipette tip insertion device according to claim 1, wherein the fixing hole has a truncated cone shape.

8. The pipette tip insertion device according to claim 1, wherein the number of the baffle plates is two, the baffle plates are comb-shaped, and the baffle plates include baffle plate end portions and a plurality of baffle plate comb teeth.

9. The pipette tip insertion device according to claim 1, wherein a handle is fixed to the front fixing plate.

10. The pipette tip inserting device according to claim 1, wherein the tips arranging box has a support pillar at each of four corners; the height of the strut is higher than that of the gun head box.