CN214020878U

CN214020878U - Large-caliber viscous liquid suction gun head

Info

Publication number: CN214020878U
Application number: CN202022398642.5U
Authority: CN
Inventors: 杨操; 廖志伟; 李帅; 吴星火; 王琨; 冯晓波
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology; Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-24
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a thick liquid of heavy-calibre absorbs rifle head relates to medical instrument technical field, including being responsible for, the top fixedly connected with connector of being responsible for has all seted up the mounting groove in the bottom both sides of being responsible for, the draw-in groove has been seted up to the one end of mounting groove, the bottom fixedly connected with of being responsible for keeps off the ring, the main bottom is equipped with the suction nozzle, the slot has been seted up to the top inner wall of suction nozzle, one side swing joint of slot has the prevention of seepage gasket. The utility model discloses, set up the cardboard structure through the one end at the suction nozzle, thick liquid can pull down the suction nozzle from being responsible for absorbing, uses the person in charge of great diameter to absorb thick liquid, increases the absorption speed to thick liquid, improves work efficiency, and folding inoxidizing coating sets up with the cooperation of dead lever and telescopic link, when absorbing under the circumstances such as the liquid volume is few, bottleneck contained angle, can make to be responsible for and buckle certain angle, and it is more convenient to absorb, improves the accuracy.

Description

Large-caliber viscous liquid suction gun head

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relate to a thick liquid of heavy-calibre absorbs rifle head.

Background

The pipette is one kind of pipettor, is often used in the laboratory and moves and get a small amount of or trace liquid, and the pipette of different specifications matches and uses the rifle head of equidimension not, however, the pipette rifle head is after beating out liquid, can be at the liquid that the rifle head left, cause the waste and influence the accuracy of beating out liquid. Especially, viscous liquid is more remained on the gun head, the liquid outlet efficiency is low, and the liquid outlet accuracy is greatly reduced.

In chinese utility model patent application no: CN201822030229.6 discloses a pipette tip and a pipette, which comprise a liquid storage part, and a connecting end and a liquid taking end respectively arranged at two ends of the liquid storage part; the connecting end is used for being connected with the liquid-transfering gun body; the liquid storage part comprises: the liquid taking device comprises a first elliptical section connected with the connecting end and a second elliptical section connected with the liquid taking end, wherein the eccentricity of the first elliptical section is smaller than that of the second elliptical section. The liquid transfer gun head cannot be bent, when the straight conical gun head is used for sucking liquid, the liquid is inconvenient to suck due to the fact that the liquid amount is small, the included angle of a bottle opening is small, and air is easy to mix in the liquid in the gun head, so that the accuracy of an experiment is affected.

Therefore, it is necessary to provide a large-diameter viscous liquid suction nozzle head to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the liquid transfer rifle head and can not buckle, because the liquid volume is few, bottleneck contained angle etc. make liquid absorb inconveniently when absorbing liquid with straight conical rifle head, liquid easily has air to sneak into in the rifle head, influences the problem of the accuracy of experiment, the utility model provides a thick liquid absorption rifle head of heavy-calibre.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a thick liquid of heavy-calibre absorbs rifle head, includes and is responsible for, the top fixedly connected with connector of being responsible for, the mounting groove has all been seted up to the bottom both sides of being responsible for, the draw-in groove has been seted up to the one end of mounting groove, the bottom fixedly connected with of being responsible for keeps off the ring, main bottom is equipped with the suction nozzle, the slot has been seted up to the top inner wall of suction nozzle, one side swing joint of slot has the prevention of seepage gasket, the equal fixedly connected with cardboard in top both sides of suction nozzle, the one end fixedly connected with wane of cardboard, one end one side fixedly connected with fixture block of cardboard.

Further, the two sides of one end of the main pipe are fixedly connected with a first installation rod, and the two sides of the other end of the main pipe are fixedly connected with a second installation rod.

Furthermore, a telescopic rod is arranged at one end of the first installation rod, a fixed rod is movably connected at one end of the second installation rod, a rubber block is fixedly connected at one end of the telescopic rod, and rubber layers are fixedly connected to two sides of the inner wall of the fixed rod.

Further, the one end fixedly connected with of being responsible for is folded the inoxidizing coating, one side of folding inoxidizing coating is equipped with coupling hose.

Furthermore, the inner wall of the main pipe is provided with a reinforcing layer, and the reinforcing layer is made of glass fiber.

Furthermore, one side of the reinforcing layer is provided with an impermeable layer, and the impermeable layer is made of pure acrylic acid polymer.

Furthermore, one side of the impermeable layer is provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of Teflon.

Furthermore, one side of the corrosion-resistant layer is provided with a hydrophobic layer, and the hydrophobic layer is made of fluororesin.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, set up the cardboard structure through the one end at the suction nozzle, can pull down the suction nozzle from being responsible for absorbing viscous liquid, use the person in charge of great diameter to absorb viscous liquid, increase the absorption speed to viscous liquid, improve work efficiency.

2. The utility model discloses, through the cooperation setting of folding inoxidizing coating and dead lever and telescopic link, when absorbing under the circumstances such as the liquid volume is few, bottleneck contained angle, can make the person in charge buckle certain angle, it is more convenient to absorb, reduces the air admission, improves the accuracy.

3. The utility model discloses, set up a plurality of coatings through the inner wall in the person in charge, when reducing that liquid is remaining in the person in charge, can improve the security of operation again, more use.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

fig. 2 is a schematic side view of the folding protective layer structure of the present invention;

FIG. 3 is a schematic front sectional view of the suction nozzle structure of the present invention;

fig. 4 is a schematic sectional view of the main tube structure of the present invention.

Reference numerals: 1. a main pipe; 2. a first mounting bar; 3. a telescopic rod; 4. folding the protective layer; 5. fixing the rod; 6. a suction nozzle; 7. a connector; 8. a connecting hose; 9. a rubber block; 10. a rubber layer; 11. mounting grooves; 12. a card slot; 13. clamping a plate; 14. a baffle ring; 15. an impermeable gasket; 16. a seesaw; 17. a clamping block; 18. a slot; 19. a hydrophobic layer; 20. a corrosion-resistant layer; 21. an impermeable layer; 22. a reinforcing layer; 23. A second mounting bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 3, a large-caliber viscous liquid suction gun head comprises a main pipe 1, a top fixedly connected connector 7 of the main pipe 1, mounting grooves 11 are formed in two sides of the bottom end of the main pipe 1, a clamping groove 12 is formed in one end of each mounting groove 11, a blocking ring 14 is fixedly connected to the bottom end of the main pipe 1, a suction nozzle 6 is arranged at the main bottom end, a slot 18 is formed in the inner wall of the top of the suction nozzle 6, an anti-seepage gasket 15 is movably connected to one side of the slot 18, clamping plates 13 are fixedly connected to two sides of the top end of each suction nozzle 6, one end of each clamping plate 13 is fixedly connected with a warping plate 16, and a clamping block 17 is fixedly connected to one side of one end of each clamping plate 13.

In this embodiment, one end through at suction nozzle 6 sets up cardboard 13 structure, upwards detain wane 16, drive cardboard 13 perk, break away from fixture block 17 in draw-in groove 12, take cardboard 13 out from mounting groove 11, in the installation, put cardboard 13 in mounting groove 11, upwards promote suction nozzle 6, make fixture block 17 card fix in draw-in groove 12 under cardboard 13's effect, be responsible for 1 and hug closely prevention of seepage gasket 15 and slot 18, prevent to leak, thick liquid can follow and be responsible for 1 with suction nozzle 6 and pull down, use the main 1 of being responsible for of great diameter to absorb thick liquid, increase the absorption speed to thick liquid, and work efficiency is improved.

Example 2

Referring to fig. 1 and 2, the present embodiment is further optimized based on embodiment 1, specifically, two sides of one end of the main pipe 1 are fixedly connected with a first mounting rod 2, and two sides of the other end of the main pipe 1 are fixedly connected with a second mounting rod 23.

Specifically, there is telescopic link 3 first installation pole 2's one end, and the one end swing joint of second installation pole 23 has dead lever 5, and the one end fixedly connected with block rubber 9 of telescopic link 3, the equal fixedly connected with rubber layer 10 in the inner wall both sides of dead lever 5.

Specifically, one end of the main pipe 1 is fixedly connected with a folding protective layer 4, and one side of the folding protective layer 4 is provided with a connecting hose 8.

In this embodiment, cooperation setting through folding inoxidizing coating 4 and dead lever 5 and telescopic link 3, buckle the both ends of being responsible for 1, make folding inoxidizing coating 4 buckle with coupling hose 8, telescopic link 3 contracts to dead lever 5 is internal, loosen both hands after the angle is suitable, rubber block 9 makes telescopic link 3 fixed with the length of dead lever 5 with the rubber pad production friction, prevent to be responsible for 1 and warp, in the liquid volume is few, when absorbing under the circumstances such as bottleneck contained angle, can make and be responsible for 1 certain angle of buckling, it is more convenient to absorb, reduce the air admission, and the accuracy is improved.

Example 3

Referring to fig. 1 and 4, the present embodiment is optimized based on the embodiment 1 or 2, specifically, a reinforcing layer 22 is disposed on the inner wall of the main pipe 1, and the reinforcing layer 22 is made of glass fiber.

Specifically, one side of the reinforcing layer 22 is provided with a barrier layer 21, and the barrier layer 21 is made of pure acrylic polymer.

Specifically, one side of the impermeable layer 21 is provided with the corrosion-resistant layer 20, and the corrosion-resistant layer 20 is made of teflon.

Specifically, one side of the corrosion-resistant layer 20 is provided with a hydrophobic layer 19, and the hydrophobic layer 19 is made of fluororesin.

In the embodiment, a plurality of coatings are arranged on the inner wall of the main pipe 1, glass fiber is usually used as a reinforcing material in a composite material, the strength of the main pipe 1 can be increased, the main pipe 1 is prevented from deforming at other positions when being bent, pure acrylic polymer emulsion is used as a base material, and a coating prepared by adding other additives has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, can play a role in seepage prevention and protection, can prevent liquid seepage under the condition of deformation and crack of the main pipe 1, polytetrafluoroethylene is hardly corroded by drugs, and all strong acids, strong oxidants, reducing agents and various organic solvents have the functions of protecting parts from any kind of chemical corrosion, fluorine has the strongest electronegativity, small atomic radius, low atomic polarization rate, small intermolecular force and low surface energy, and is a common insulating weather-resistant hydrophobic coating, can reduce the liquid adhesion, guarantee that it falls down smoothly, when reducing liquid and remaining in being responsible for 1, can improve the security of operation again, more use.

In summary, the following steps: the utility model discloses, increase the speed of absorbing to viscous liquid, when absorbing under the circumstances such as the liquid volume is few, bottleneck contained angle, improve the accuracy, can reduce liquid and remain in being responsible for 1.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thick liquid of heavy-calibre absorbs rifle head, includes and is responsible for (1), its characterized in that: be responsible for top fixedly connected with connector (7) of (1), be responsible for (1) bottom both sides and all seted up mounting groove (11), draw-in groove (12) have been seted up to the one end of mounting groove (11), the bottom fixedly connected with of being responsible for (1) keeps off ring (14), the owner bottom is equipped with suction nozzle (6), slot (18) have been seted up to the top inner wall of suction nozzle (6), one side swing joint of slot (18) has prevention of seepage gasket (15), the equal fixedly connected with cardboard (13) in top both sides of suction nozzle (6), the one end fixedly connected with wane (16) of cardboard (13), one end one side fixedly connected with fixture block (17) of cardboard (13).

2. A large-caliber viscous liquid suction gun head according to claim 1, characterized in that: be responsible for the one end both sides fixedly connected with first installation pole (2) of (1), be responsible for the other end both sides fixedly connected with second installation pole (23) of (1).

3. A large-caliber viscous liquid suction gun head according to claim 2, characterized in that: there is telescopic link (3) first installation pole (2) one end, the one end swing joint of second installation pole (23) has dead lever (5), the one end fixedly connected with block rubber (9) of telescopic link (3), the equal fixedly connected with rubber layer (10) in inner wall both sides of dead lever (5).

4. A large-caliber viscous liquid suction gun head according to claim 1, characterized in that: the one end fixedly connected with of being responsible for (1) folding inoxidizing coating (4), one side of folding inoxidizing coating (4) is equipped with coupling hose (8).

5. A large-caliber viscous liquid suction gun head according to claim 1, characterized in that: the inner wall of the main pipe (1) is provided with a reinforcing layer (22), and the reinforcing layer (22) is made of glass fiber.

6. A large-caliber viscous liquid suction gun head according to claim 5, characterized in that: one side of the reinforcing layer (22) is provided with an impermeable layer (21), and the impermeable layer (21) is made of pure acrylic acid polymer.

7. A large-caliber viscous liquid suction gun head according to claim 6, characterized in that: one side of the impermeable layer (21) is provided with a corrosion-resistant layer (20), and the corrosion-resistant layer (20) is made of Teflon.

8. A large-caliber viscous liquid suction gun head according to claim 7, characterized in that: one side of the corrosion-resistant layer (20) is provided with a hydrophobic layer (19), and the hydrophobic layer (19) is made of fluororesin.