CN220048196U - Can reduce liquid-transfering gun that bubble was taken in - Google Patents
Can reduce liquid-transfering gun that bubble was taken in Download PDFInfo
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- CN220048196U CN220048196U CN202321424190.0U CN202321424190U CN220048196U CN 220048196 U CN220048196 U CN 220048196U CN 202321424190 U CN202321424190 U CN 202321424190U CN 220048196 U CN220048196 U CN 220048196U
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- China
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- fixedly connected
- spring
- rifle body
- bolt
- filter screen
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- 239000007788 liquid Substances 0.000 claims abstract description 34
- 230000037406 food intake Effects 0.000 claims 6
- 238000001914 filtration Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 230000000007 visual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a pipette capable of reducing bubble intake, and relates to the technical field of pipettes. According to the utility model, the filter screen is used for filtering the sucked bubbles, and meanwhile, the rotary table is rotated to enable the connecting rod to rotate along the liquid inlet pipe, and the grinding block is used for grinding one surface of the filter screen, so that the sucked bubbles are eliminated.
Description
Technical Field
The utility model relates to the technical field of liquid-transfering guns, in particular to a liquid-transfering gun capable of reducing air bubble intake.
Background
The pipette gun is one kind of pipette, is commonly used for transferring small amount or trace amount of liquid in a laboratory, has different specifications, is matched with different sizes of gun heads, has slightly different shapes produced by different manufacturers, and basically has the same working principle and operation method. The pipette belongs to a precise instrument, and the pipette is carefully used and stored, so that damage is prevented, and the range is prevented from being influenced. The pipette has multiple types of microsamplers, air cushion samplers, piston positive displacement samplers, multichannel, electronics, dispensers, etc. The following problems exist in the prior art:
in summary, since the conventional pipette is used for removing a small amount or a trace amount of liquid, air is inevitably sucked in, so that air bubbles are formed, and the measuring range is affected.
Disclosure of Invention
The present utility model provides a pipette capable of reducing air bubble intake, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a can reduce liquid-transfering gun that bubble was taken in, includes the rifle body, the bottom swing joint of the rifle body has the carousel, the bottom swing joint of carousel has the barrel, the bottom fixedly connected with liquid suction head of barrel, one side fixedly connected with auxiliary arc board of the rifle body, one side swing joint of the rifle body has the bolt, the top fixedly connected with rifle lid of the rifle body, the inside swing joint of the rifle body has the piston rod, the outside of piston rod has cup jointed spring one, the bottom fixedly connected with rubber head of piston rod, the inside fixedly connected with filter screen one of barrel, the inside fixedly connected with feed liquor pipe of carousel, the inside of feed liquor pipe and the bottom overlap joint of the rifle body and barrel, the inside fixedly connected with filter screen two of feed liquor pipe, the bottom fixedly connected with connecting rod of filter screen two, the bottom and the surface overlap joint of filter screen one of connecting rod, the surface of the rifle body is provided with visual window.
The technical scheme of the utility model is further improved as follows: the gun body comprises a sliding cavity and a liquid lifting cavity, the top of the first spring is fixedly connected with the top of the sliding cavity, and the bottom of the first spring is fixedly connected with the top of the rubber head.
By adopting the technical scheme, the first springs in the scheme are matched with each other to achieve the effects of sucking and extruding liquid.
The technical scheme of the utility model is further improved as follows: arc draw-in groove has been seted up to the bottom of rifle body and carousel, the upper and lower both ends fixedly connected with fixture block of carousel, the inside and the outside joint of fixture block of arc draw-in groove.
By adopting the technical scheme, the arc clamping groove and the clamping block in the scheme are matched, so that the effect of connecting the turntable is achieved.
The technical scheme of the utility model is further improved as follows: the bottom of connecting rod is provided with the abrasive brick, the surface of abrasive brick and the surface overlap joint of filter screen one.
By adopting the technical scheme, the first filter screen and the grinding block in the scheme are matched, so that the effect of eliminating bubbles through rotational friction is achieved.
The technical scheme of the utility model is further improved as follows: the utility model discloses a gun, including the rifle body, the jack has been seted up to the opposite side of the rifle body, the inside overlap joint of surface and jack of bolt, the inside of jack is provided with the rubber pad, top one side fixedly connected with spacing pipe of spring one, the one end and the inside grafting of spacing pipe of bolt, the spring two has been cup jointed to the outside of bolt, the one end and the inboard fixed connection of bolt of spring two, the other end and the fixed surface of rifle body of spring two are connected.
By adopting the technical scheme, the bolt in the scheme is matched with the limiting pipe, and the bolt is inserted into the limiting pipe, so that the piston rod is locked.
The technical scheme of the utility model is further improved as follows: the one end of bolt is provided with spacing pipe, the spacing groove has been seted up to the inner wall both sides of sliding chamber, the both sides of spring one are provided with the slider, the outside of slider and the inside overlap joint in spacing groove.
By adopting the technical scheme, the sliding block and the limiting groove in the scheme are matched, so that the effect of conveniently moving the first spring up and down is achieved.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a pipette capable of reducing bubble intake, which adopts the cooperation between a rotary table, a first filter screen, a second filter screen, a connecting rod, a grinding block, an arc clamping groove and a clamping block, liquid is filtered through the first filter screen, meanwhile, the connecting rod rotates along a liquid inlet pipe by rotating the rotary table, the grinding block polishes one surface of the filter screen, so that the effect of eliminating the sucked bubble is achieved, the problem that the measuring range of the conventional pipette is influenced because a small amount or a trace of liquid is removed, air is unavoidably sucked, and the problem that the measuring range of the pipette is influenced is solved, and the beneficial effect of reducing the bubble intake is achieved.
2. The utility model provides a pipette capable of reducing bubble intake, which adopts the cooperation between a bolt, a spring II, a rubber pad, a fixed block and a limiting pipe, and locks a piston rod by inserting the bolt into the limiting pipe, and when the pipette is operated, the bolt is pulled outwards to fasten the fixed block and the rubber pad, so that the bolt is separated from the inside of the limiting pipe, and normal pipetting is performed, thus solving the problem that after the pipette absorbs liquid, the liquid is temporarily stored in a cavity, the traditional pipette is not provided with a locking device, and medical staff can carelessly squeeze the liquid in the pipette, thereby locking the piston rod, and avoiding the beneficial effects that the medical staff can carelessly squeeze the liquid in the pipette.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of part of the A structure of the present utility model;
fig. 4 is an enlarged schematic view of a portion of the B structure of the present utility model.
In the figure: 1. a gun body; 101. a sliding chamber; 102. a liquid extracting cavity; 103. a jack; 104. a limit groove; 2. a turntable; 201. a liquid inlet pipe; 3. a barrel; 4. a liquid suction head; 5. an auxiliary arc plate; 6. a plug pin; 61. a fixed block; 7. a gun cover; 8. a piston rod; 9. a rubber head; 1011. a slide block; 10. a first spring; 11. a limiting tube; 12. a visual window; 13. a first filter screen; 14. a second filter screen; 15. a connecting rod; 151. a grinding block; 16. a second spring; 17. a rubber pad; 18. an arc-shaped clamping groove; 19. and (5) clamping blocks.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a pipetting gun capable of reducing bubble intake, which comprises a gun body 1, the bottom of the gun body 1 is movably connected with a rotary table 2, the bottom of the rotary table 2 is movably connected with a gun barrel 3, the bottom of the gun barrel 3 is fixedly connected with a pipette head 4, one side of the gun body 1 is fixedly connected with an auxiliary arc plate 5, one side of the gun body 1 is movably connected with a bolt 6, the top of the gun body 1 is fixedly connected with a gun cover 7, the inside of the gun body 1 is movably connected with a piston rod 8, the outside of the piston rod 8 is sleeved with a spring I10, the bottom of the piston rod 8 is fixedly connected with a rubber head 9, the inside of the gun barrel 3 is fixedly connected with a filter screen I13, the inside of the rotary table 2 is fixedly connected with a liquid inlet pipe 201, the inside of the liquid inlet pipe 201 is fixedly connected with a filter screen II 14, the bottom of the filter screen II 14 is fixedly connected with a connecting rod 15, the bottom of the connecting rod 15 is overlapped with the surface of the filter screen I13, and the surface of the gun body 1 is provided with a visual window 12, thereby achieving the effect of reducing bubble intake and locking the gun body 8, and possibly careless liquid movement of a medical staff can be prevented from being carelessly squeezed out.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the gun body 1 comprises a sliding cavity 101 and a liquid lifting cavity 102, the top of the first spring 10 is fixedly connected with the top of the sliding cavity 101, the bottom of the first spring 10 is fixedly connected with the top of the rubber head 9, the first springs 10 and 89 are matched with each other to achieve the effect of sucking and extruding liquid, the arc clamping grooves 18 are formed in the bottoms of the gun body 1 and the rotary table 2, clamping blocks 19 are fixedly connected to the upper end and the lower end of the rotary table 2, the inner parts of the arc clamping grooves 18 are clamped with the outer parts of the clamping blocks 19, the arc clamping grooves 18 are matched with the clamping blocks 19 to achieve the effect of connecting the rotary table 2, grinding blocks 151 are arranged at the bottom of the connecting rod 15, the surface of the grinding blocks 151 is overlapped with the surface of the first filter screen 13, and the grinding blocks 151 are matched with each other to achieve the effect of eliminating bubbles through rotary friction.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, jack 103 has been seted up to the opposite side of rifle body 1, the surface of bolt 6 and the inside overlap joint of jack 103, the inside of jack 103 is provided with rubber pad 17, the inside fixedly connected with spacing pipe 11 in top one side of spring one 10, the one end of bolt 6 is pegged graft with the inside of spacing pipe 11, the outside of bolt 6 has cup jointed spring two 16, the one end of spring two 16 and the inboard fixed connection of bolt 6, the other end of spring two 16 and the fixed surface of rifle body 1 are connected, the cooperation between bolt 6 and spacing pipe 11, the inside of bolt 6 intubate spacing pipe 11 plays the effect of locking piston rod 8, the one end of bolt 6 is provided with spacing pipe 11, spacing groove 104 has been seted up to the inner wall both sides of sliding chamber 101, the both sides of spring one 10 are provided with the slider 1011, the outside of slider 1011 and the inside overlap joint of spacing groove 104, the cooperation between slider 1011 and the spacing groove 104, the effect of conveniently reciprocate spring one 10 is played.
The working principle of the pipette capable of reducing the intake of bubbles will be described in detail below.
As shown in fig. 1-4, first, when pipetting is performed, the pipetting head 4 is aligned with the liquid to be pipetted, the piston rod 8 is pressed inwards by hand, so that the rubber head 9 moves down to the bottom of the limit groove 104 along the bottom of the sliding cavity 101, then the force applied to the piston rod 8 is released, the rubber head 9 is moved up by the elastic force of the first spring 10, so that the liquid is sucked into the liquid lifting cavity 102 along the pipetting head 4, the liquid filters the sucked air bubbles through the first filter screen 13, meanwhile, the turntable 2 is rotated by hand, so that the connecting rod 15 rotates along the liquid inlet pipe 201, so that the sucked air bubbles are eliminated by friction, the grinding block 151 grinds the surface of the first filter screen 13, and finally the air bubbles are filtered again through the second filter screen 14, so as to reduce the effect of air bubble intake, so that the liquid is sucked into the liquid lifting cavity 102, the plug 6 is pressed inwards, the plug 6 is inserted into the limit pipe 11 by the elastic force of the second spring 16, so that the piston rod 8 is locked, the first spring 10 moves downwards, when the liquid in the liquid lifting cavity 102 is filtered by the first filter screen 13, the sucked air bubbles, the plug 6 is pulled out of the liquid lifting cavity 6, the plug 17 is pushed out of the liquid lifting cavity 11, so that the plug 8 is fixed by the plug 6, and the plug 11 is pushed out of the piston rod 11 by pulling the first filter.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. A pipette capable of reducing bubble ingestion, comprising a gun body (1), characterized in that: the utility model provides a gun, including rifle body (1), bottom swing joint of rifle body (1) has carousel (2), the bottom swing joint of carousel (2) has barrel (3), the bottom fixedly connected with liquid suction head (4) of barrel (3), one side fixedly connected with auxiliary arc board (5) of rifle body (1), one side swing joint of rifle body (1) has bolt (6), the top fixedly connected with rifle lid (7) of rifle body (1), the inside swing joint of rifle body (1) has piston rod (8), the outside of piston rod (8) has cup jointed spring one (10), the bottom fixedly connected with rubber head (9) of piston rod (8), the inside fixedly connected with filter screen one (13) of barrel (3), the inside fixedly connected with feed liquor pipe (201) of carousel (2), the inside fixedly connected with filter screen two (14) of feed liquor pipe (201), the bottom fixedly connected with connecting rod (15) of two (14), the bottom of connecting rod (15) and the surface of a (13) can be looked window (12) of the surface of the rifle body (1).
2. A pipette capable of reducing air bubble ingestion as recited in claim 1 wherein: the gun body (1) comprises a sliding cavity (101) and a liquid lifting cavity (102), the top of the first spring (10) is fixedly connected with the top of the sliding cavity (101), and the bottom of the first spring (10) is fixedly connected with the top of the rubber head (9).
3. A pipette capable of reducing air bubble ingestion as recited in claim 1 wherein: arc draw-in groove (18) have been seted up to the bottom of rifle body (1) and carousel (2), the upper and lower both ends fixedly connected with fixture block (19) of carousel (2), the inside of arc draw-in groove (18) and the outside joint of fixture block (19).
4. A pipette capable of reducing air bubble ingestion as recited in claim 1 wherein: the bottom of connecting rod (15) is provided with grinding block (151), the surface of grinding block (151) and the surface overlap joint of filter screen one (13).
5. A pipette capable of reducing air bubble ingestion as recited in claim 1 wherein: jack (103) have been seted up to the opposite side of rifle body (1), the inside overlap joint of the surface of bolt (6) and jack (103), the inside of jack (103) is provided with rubber pad (17), the top one side fixedly connected with spacing pipe (11) of spring one (10), the one end and the inside grafting of spacing pipe (11) of bolt (6), the outside of bolt (6) has cup jointed spring two (16), the one end and the inboard fixed connection of bolt (6) of spring two (16), the other end and the fixed surface of rifle body (1) of spring two (16) are connected.
6. A pipette capable of reducing air bubble ingestion as recited in claim 2 wherein: one end of the bolt (6) is provided with a limiting pipe (11), limiting grooves (104) are formed in two sides of the inner wall of the sliding cavity (101), sliding blocks (1011) are arranged on two sides of the first spring (10), and the outer parts of the sliding blocks (1011) are overlapped with the inner parts of the limiting grooves (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424190.0U CN220048196U (en) | 2023-06-06 | 2023-06-06 | Can reduce liquid-transfering gun that bubble was taken in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424190.0U CN220048196U (en) | 2023-06-06 | 2023-06-06 | Can reduce liquid-transfering gun that bubble was taken in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220048196U true CN220048196U (en) | 2023-11-21 |
Family
ID=88754079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321424190.0U Active CN220048196U (en) | 2023-06-06 | 2023-06-06 | Can reduce liquid-transfering gun that bubble was taken in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220048196U (en) |
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2023
- 2023-06-06 CN CN202321424190.0U patent/CN220048196U/en active Active
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