CN113546704B - Prevent back application of sample rifle of liquid - Google Patents
Prevent back application of sample rifle of liquid Download PDFInfo
- Publication number
- CN113546704B CN113546704B CN202110800201.XA CN202110800201A CN113546704B CN 113546704 B CN113546704 B CN 113546704B CN 202110800201 A CN202110800201 A CN 202110800201A CN 113546704 B CN113546704 B CN 113546704B
- Authority
- CN
- China
- Prior art keywords
- sample adding
- adding gun
- assembly
- liquid
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0213—Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a liquid return prevention sample adding gun, which relates to the technical field of sample adding guns and comprises a sample adding gun main body, a non-return assembly, a gun head assembly and a reinforcing assembly, wherein anti-slip grains are arranged outside one side of the sample adding gun main body, a piston pressing head is arranged above the sample adding gun main body, the non-return assembly is fixed below the sample adding gun main body and comprises a liquid inlet pipe, a non-return cavity, a flow channel, an installation frame, a high-pressure air bag, a corrugated pipe and a jacking spoiler, the liquid inlet pipe is connected to the lower end of the middle of the sample adding gun main body, and the non-return cavity is arranged outside the lower part of the sample adding gun main body. This prevent application of sample rifle of returning liquid makes high-pressure gasbag and bellows drive the jacking spoiler of upper end closely laminate in the below outside of feed liquor pipe through non return subassembly, can carry out the shutoff to the feed liquor pipe, prevents the condition of liquid backward flow, and the miniature sucking disc that is slope column structure during the application of sample can closely be attached on the container inner wall, can avoid the hand shake to cause the condition that appears the bubble when moving the liquid.
Description
Technical Field
The invention relates to the technical field of sample adding guns, in particular to a sample adding gun capable of preventing liquid return.
Background
The sample application gun is an indispensable tool for experimental operation. The pipette is usually used for transferring a small amount of or trace liquid in a laboratory, has different specifications, is matched with pipette tips with different sizes, has slightly different shapes produced by different manufacturers, and has basically the same working principle and operation method.
The condition of liquid takes place back easily in the application of sample rifle of current when flowing back to pollute inside liquid, the hand shake appears easily in addition during the flowing back and leads to the condition of bubble appearing, for this reason, we provide an application of sample rifle that prevents liquid back.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sample adding gun capable of preventing liquid return, which solves the problems that the existing sample adding gun in the background art is easy to cause liquid return during liquid discharging, so that the liquid in the sample adding gun is polluted, and air bubbles are caused by hand shaking during liquid discharging.
In order to achieve the purpose, the invention is realized by the following technical scheme: a liquid return prevention sample adding gun comprises a sample adding gun main body, a non-return assembly, a gun head assembly and a reinforcing assembly, wherein anti-skid grains are arranged outside one side of the sample adding gun main body, a piston pressing head is arranged above the sample adding gun main body, the non-return assembly is fixed below the sample adding gun main body and comprises a liquid inlet pipe, a non-return cavity, a flow channel, an installation frame, a high-pressure air bag, a corrugated pipe and a jacking flow baffle plate, the liquid inlet pipe is connected to the lower end of the middle of the sample adding gun main body, the non-return cavity is arranged outside the lower portion of the sample adding gun main body, the flow channel is arranged on one side of the inner wall of the non-return cavity, the installation frame is fixed in the middle of the inner portion of the non-return cavity, the high-pressure air bag is fixed in the installation frame, the corrugated pipe is connected above the high-pressure air bag, the jacking flow baffle plate is fixed above the corrugated pipe, and an assembly sleeve is fixed below the installation frame, the improved sample injection gun comprises a gun head assembly, a sample injection gun head, an assembling portion, a sealing rubber ring, an inner coil, a liquid outlet and a miniature sucker, wherein the gun head assembly is installed below a connecting sleeve, the upper end of the sample injection gun head is fixed with the assembling portion, the sealing rubber ring is fixed on the outer side of the upper portion of the assembling portion, the inner coil is fixed on the upper portion of the middle of the assembling portion, the liquid outlet is formed in the bottom of the sample injection gun head, and the miniature sucker is fixed on two sides of the outer portion of the liquid outlet.
Optionally, an angle display assembly is fixed to the outer surface of the sample adding gun body, the angle display assembly comprises a display dial and a pointer, and the pointer is installed inside the display dial.
Optionally, the anticreep hand subassembly is installed to the outside opposite side of application of sample rifle main part, and the anticreep hand subassembly is including anticreep frame, activity interior pole, spacing outer tube, spacing rubber slab and flexible cotton cushion, the inner wall one side of anticreep frame is fixed with the activity interior pole, and one side cover of activity interior pole is equipped with spacing outer tube, one side of spacing outer tube is fixed with spacing rubber slab, and the inner wall of spacing rubber slab is fixed with flexible cotton cushion.
Optionally, an integrated structure is arranged between the anti-drop outer frame and the sample adding gun main body, and the anti-drop outer frame is movably connected with the limiting rubber plate through a movable inner rod and a limiting outer tube.
Optionally, the liquid inlet pipe is communicated with the inside of the check cavity, and the check cavity is communicated with the inside of the assembly sleeve through the flow channel.
Optionally, an integrated structure is formed between the corrugated pipe, the jacking spoiler and the high-pressure air bag, and the symmetry center of the jacking spoiler coincides with the symmetry center of the liquid inlet pipe.
Optionally, the assembly part of the sample adding gun head is screwed with the assembly sleeve through a thread formed between the inner coil and the assembly sleeve, an inner thread is arranged on the inner wall of the assembly sleeve, and an outer thread is arranged on the outer wall of the inner coil.
Optionally, miniature sucking discs are symmetrically distributed on the outer portion of the liquid outlet of the sample adding gun head, and the miniature sucking discs are of an inclined structure.
Optionally, the reinforcing component comprises a connecting rod, a reinforcing ring and a rubber anti-slip layer, the connecting rod is fixed to the outer side of the assembly sleeve, the reinforcing ring is installed below the connecting rod, and the inner wall of the reinforcing ring is connected with the rubber anti-slip layer in a gluing mode.
Optionally, the center of symmetry of the reinforcing ring coincides with the center of symmetry of the sample-adding gun head, and the inner side surface of the rubber anti-slip layer on the inner wall of the reinforcing ring is tightly attached to the outer side surface of the sample-adding gun head.
The invention provides a sample adding gun capable of preventing liquid return, which has the following beneficial effects:
this prevent back application of sample rifle of liquid makes high-pressure gasbag and bellows drive the jacking spoiler of upper end closely to laminate in the below outside of feed liquor pipe through the non return subassembly, carries out the shutoff to the feed liquor pipe, prevents the condition of liquid backward flow, and the miniature sucking disc that is slope column structure during the application of sample can closely be attached on the container inner wall, can avoid the hand shake to cause the condition that appears the bubble when moving liquid.
1. This prevent application of sample rifle of returning liquid is provided with anticreep hand subassembly, and anti-skidding line can increase frictional force and play certain antiskid, is convenient for adjust the position of spacing rubber slab through the flexible form of the activity of pole in the activity and spacing outer tube to adapt to different users, the flexible cotton bed course of spacing rubber slab one side is laminated with the finger position mutually and is convenient for carry on spacing effect of anticreep hand of playing to the hand.
2. This prevent application of sample rifle of returning liquid is provided with rifle head assembly, pastes the liquid outlet of application of sample rifle head to when moving the container inner wall of liquid, and the miniature sucking disc that is slope column structure can closely attach on the container inner wall to avoid moving the liquid in-process, hand shake causes the liquid outlet can't hug closely the condition that appears the bubble when moving the liquid that the container inner wall leads to, and the miniature sucking disc that the bilateral symmetry set up all can use.
3. This prevent application of sample rifle of liquid back is provided with rifle head subassembly, carries out the equipment that the screw thread connects the application of sample rifle head of being convenient for to realize through interior coil pipe and montage sleeve soon, and this equipment mode is comparatively convenient to dismantle changes the application of sample rifle head, and the rubber skid resistant course of reinforcement ring and inner wall can laminate in the lateral surface of application of sample rifle head, consolidates the application of sample rifle head, prevents that application of sample rifle head pine from taking off, and fastening nature is connected in the reinforcing.
4. This prevent back application of sample rifle of liquid is provided with angle display module, can know the angle of slope through angle display module in the slope process, and pointer in the demonstration calibrated scale is directional upwards all the time, consequently can know the tilt state through the scale position of the directional demonstration calibrated scale of pointer.
5. This application of sample rifle that prevents to return liquid is provided with the non return subassembly, under the pressurized condition during use, the inside jacking spoiler of non return chamber is pushed down, make the liquid in the feed liquor pipe can lead to the inside liquid of the inside non return intracavity portion to the non return chamber and can enter into to the telescopic inside of montage through the runner, thereby flow and carry out the application of sample in the application of sample rifle head, and behind the application of sample, the inside high-pressure draught of high-pressure gasbag can expand the inside of being full of the bellows, and the length of extension bellows, make the bellows drive the tight below outside of laminating in the feed liquor pipe of jacking spoiler of upper end, carry out the shutoff to the feed liquor pipe, prevent the condition of liquid reflux.
Drawings
FIG. 1 is a front view of the external structure of the present invention;
FIG. 2 is a schematic front view of a partial half-section configuration of the present invention;
FIG. 3 is a perspective view of a reinforcement assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is an enlarged schematic view of a gun head assembly according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 5 according to the present invention.
In the figure: 1. a sample adding gun main body; 2. anti-skid lines; 3. a piston press head; 4. an angle display assembly; 401. a display dial; 402. a pointer; 5. a drop-proof assembly; 501. an anti-drop outer frame; 502. a movable inner rod; 503. limiting the outer tube; 504. a limiting rubber plate; 505. a flexible cotton cushion layer; 6. a check assembly; 601. a liquid inlet pipe; 602. a check cavity; 603. a flow channel; 604. installing a frame; 605. a high pressure air bag; 606. a bellows; 607. jacking a spoiler; 7. assembling the sleeve; 8. a gun head assembly; 801. a sample adding gun head; 802. a combining part; 803. sealing the rubber ring; 804. an inner coil; 805. a liquid outlet; 806. a micro-sucker; 9. a reinforcement assembly; 901. a connecting rod; 902. a reinforcing ring; 903. and a rubber anti-slip layer.
Detailed Description
Referring to fig. 1 to 6, the present invention provides a technical solution: a liquid return prevention sample adding gun comprises a sample adding gun body 1, a non-return assembly 6, a gun head assembly 8 and a reinforcing assembly 9, wherein anti-skid grains 2 are arranged outside one side of the sample adding gun body 1, a piston pressing head 3 is arranged above the sample adding gun body 1, the non-return assembly 6 is fixed below the sample adding gun body 1, the non-return assembly 6 comprises a liquid inlet pipe 601, a non-return cavity 602, a flow channel 603, an installation frame 604, a high-pressure air bag 605, a corrugated pipe 606 and a jacking flow baffle plate 607, the liquid inlet pipe 601 is connected to the lower end of the middle of the sample adding gun body 1, the non-return cavity 602 is arranged outside the lower part of the sample adding gun body 1, the flow channel 603 is arranged on one side of the inner wall of the non-return cavity 602, the installation frame 604 is fixed in the middle of the non-return cavity 602, the high-pressure air bag 605 is fixed in the installation frame 604, the corrugated pipe 606 is connected above the high-pressure air bag 605, the jacking flow baffle plate 607 is fixed above the corrugated pipe 606, an assembly sleeve 7 is fixed below the mounting frame 604, the gun head assembly 8 is mounted below the assembly sleeve 7, the gun head assembly 8 comprises a sample adding gun head 801, an assembly part 802, a sealing rubber ring 803, an internal rotation tube 804, a liquid outlet 805 and a micro sucker 806, the assembly part 802 is fixed at the upper end of the sample adding gun head 801, the sealing rubber ring 803 is fixed on the outer side of the upper part of the assembly part 802, the internal rotation tube 804 is fixed above the middle part of the assembly part 802, a liquid outlet 805 is arranged at the bottom of the sample adding gun head 801, and the micro sucker 806 is fixed on both sides of the outer part of the liquid outlet 805.
Referring to fig. 1, an angle display assembly 4 is fixed on the outer surface of a sample adding gun body 1, the angle display assembly 4 comprises a display dial 401 and a pointer 402, and the pointer 402 is installed inside the display dial 401;
specifically, the angle of inclination can be recognized by the angle display unit 4 during the inclination, and the pointer 402 in the display scale 401 is always pointed upward, so that the inclination state can be recognized by the scale position of the display scale 401 to which the pointer 402 is pointed.
Referring to fig. 2, the other side of the exterior of the sample adding gun body 1 is provided with a drop-preventing assembly 5, and the drop-preventing assembly 5 comprises a drop-preventing outer frame 501, a movable inner rod 502, a limiting outer tube 503, a limiting rubber plate 504 and a flexible cotton cushion 505, the movable inner rod 502 is fixed on one side of the inner wall of the drop-preventing outer frame 501, the limiting outer tube 503 is sleeved on one side of the movable inner rod 502, the limiting rubber plate 504 is fixed on one side of the limiting outer tube 503, and the flexible cotton cushion 505 is fixed on the inner wall of the limiting rubber plate 504; the anti-drop outer frame 501 and the sample adding gun main body 1 are of an integrated structure, and the anti-drop outer frame 501 is movably connected with the limiting rubber plate 504 through the movable inner rod 502 and the limiting outer tube 503;
the specific operation is as follows, the position of the limiting rubber plate 504 can be conveniently adjusted through the movable telescopic form of the movable inner rod 502 and the limiting outer tube 503, so that the device is suitable for different users.
Referring to fig. 4, the liquid inlet pipe 601 is connected to the inside of the check cavity 602, and the check cavity 602 is connected to the inside of the assembly sleeve 7 through the flow channel 603; an integrated structure is formed among the corrugated pipe 606, the jacking spoiler 607 and the high-pressure air bag 605, and the symmetric center of the jacking spoiler 607 is superposed with the symmetric center of the liquid inlet pipe 601;
the liquid inlet pipe 601 is connected with the liquid storage cavity in the sample adding gun main body 1, liquid can be guided downwards, the liquid in the liquid inlet pipe 601 can be guided into the non-return cavity 602, and the liquid in the non-return cavity 602 can enter the assembly sleeve 7 through the flow channel 603, so that the liquid flows into the sample adding gun head 801 to be added with sample; the inside high-pressure air current of high-pressure gasbag 605 can expand and be full of the inside of bellows 606 to the length of extension bellows 606 makes bellows 606 drive the jacking spoiler 607 of upper end closely laminate in the below outside of feed liquor pipe 601, seals up feed liquor pipe 601, prevents the condition of liquid backward flow.
Referring to fig. 5, an assembling portion 802 of a sample-adding gun head 801 is screwed with an assembling sleeve 7 through a thread formed between an inner coil 804, an inner wall of the assembling sleeve 7 is provided with an inner thread, and an outer wall of the inner coil 804 is provided with an outer thread; miniature suction cups 806 are symmetrically distributed outside a liquid outlet 805 of the sample adding gun head 801, and the miniature suction cups 806 are in an inclined structure;
carry out the equipment that the screw thread connects the application of sample rifle head 801 of being convenient for to realize through interior coil 804 and montage sleeve 7 soon, this equipment mode is comparatively convenient to detach changes application of sample rifle head 801, is miniature sucking disc 806 of slope column structure and can closely attach on the container inner wall, thereby avoids moving the liquid in-process, hand shake causes the liquid outlet 805 can't hug closely the condition that appears the bubble when moving the liquid that the container inner wall leads to.
Referring to fig. 1 and 3, the reinforcing component 9 includes a connecting rod 901, a reinforcing ring 902, and a rubber anti-slip layer 903, the connecting rod 901 is fixed on the outer side of the assembly sleeve 7, the reinforcing ring 902 is installed below the connecting rod 901, and the rubber anti-slip layer 903 is bonded on the inner wall of the reinforcing ring 902; the symmetric center of the reinforcing ring 902 coincides with the symmetric center of the sample-adding gun head 801, and the inner side surface of the rubber anti-slip layer 903 on the inner wall of the reinforcing ring 902 is tightly attached to the outer side surface of the sample-adding gun head 801;
the concrete operation is as follows, reinforcing ring 902 and rubber skid resistant layer 903 of its inner wall can laminate in the lateral surface of application of sample rifle head 801, consolidates application of sample rifle head 801, prevents that application of sample rifle head 801 from taking off, reinforcing connection fastening nature.
To sum up, when the sample adding gun capable of preventing liquid return is used, the sample adding gun main body 1 can be held at the palm position of the hand, the anti-skid veins 2 can increase the friction force to play a certain anti-skid function, then the finger position extends into the anti-drop outer frame 501, the limit rubber plate 504 can be pulled through the movable telescopic structures of the movable inner rod 502 and the limit outer tube 503, so that the flexible cotton cushion layer 505 at one side of the limit rubber plate 504 is attached to the finger position to limit the hand to play the anti-drop function, then the sample adding gun main body 1 can be inclined, the liquid outlet 805 of the sample adding gun head 801 is attached to the inner wall of a liquid-transferring container, the micro suction cup 806 in an inclined structure can be closely attached to the inner wall of the container, the condition that bubbles appear when liquid is transferred due to the fact that the liquid outlet can not be attached to the inner wall of the container due to hand shaking is avoided, the inclined angle can be known through the angle display component 4 in the inclined process, since the pointer 402 in the display scale 401 always points upward, the tilt state can be understood from the scale position of the display scale 401 to which the pointer 402 points;
when adding and transferring liquid, the piston pressing head 3 can be pressed, the piston pressing head 3 pushes the piston assembly to downwards pressurize and push out liquid in the liquid storage cavity inside the sample adding gun main body 1, under the condition of pressure, the jacking spoiler 607 inside the non-return cavity 602 is extruded and downwards moved, so that the liquid in the liquid inlet pipe 601 can be guided into the non-return cavity 602, then the liquid inside the non-return cavity 602 can enter the inside of the assembly sleeve 7 through the flow channel 603, and then flow into the sample adding gun head 801 to add the sample, after the sample is added, the high-pressure air flow inside the high-pressure air bag 605 will expand again to fill the inside of the corrugated pipe 606, and the length of the corrugated pipe 606 is prolonged, so that the jacking spoiler 607 at the upper end is driven by the corrugated pipe 606 to be tightly attached to the outer side below the liquid inlet pipe 601, the liquid inlet pipe 601 is blocked, the liquid backflow is prevented, the gun head assembly 8 can be replaced according to the use requirement after the use, can carry out the equipment that the screw thread connects realization application of sample rifle head 801 soon through interior coil pipe 804 and montage sleeve 7 during the change, this non return chamber 602 is detachable connection with application of sample rifle main part 1 equally, removable ordinary pipette during the imbibition, can use the non return subassembly 6 and the rifle head assembly 8 of this application during the flowing back, just so complete whole application of sample rifle that prevents back liquid.
Claims (10)
1. The sample adding gun capable of preventing liquid return is characterized by comprising a sample adding gun main body (1), a non-return assembly (6), a gun head assembly (8) and a reinforcing assembly (9), wherein anti-skid grains (2) are arranged outside one side of the sample adding gun main body (1), a piston pressing head (3) is arranged above the sample adding gun main body (1), the non-return assembly (6) is fixed below the sample adding gun main body (1), the non-return assembly (6) comprises a liquid inlet pipe (601), a non-return cavity (602), a flow channel (603), an installation frame (604), a high-pressure air bag (605), a corrugated pipe (606) and a jacking flow blocking plate (607), the lower end of the middle of the sample adding gun main body (1) is connected with the liquid inlet pipe (601), the non-return cavity (602) is arranged outside the lower part of the sample adding gun main body (1), the flow channel (603) is arranged on one side of the inner wall inside the non-return cavity (602), a mounting frame (604) is fixed in the middle of the inside of the check cavity (602), a high-pressure air bag (605) is fixed in the mounting frame (604), a corrugated pipe (606) is connected above the high-pressure air bag (605), a jacking spoiler (607) is fixed above the corrugated pipe (606), an assembly sleeve (7) is fixed below the mounting frame (604), a gun head assembly (8) is installed below the assembly sleeve (7), the gun head assembly (8) comprises a sample adding gun head (801), an assembly part (802), a sealing rubber ring (803), an inner rotary pipe (804), a liquid outlet (805) and a micro suction cup (806), the assembly part (802) is fixed at the upper end of the sample adding gun head (801), the sealing rubber ring (803) is fixed on the outer side above the assembly part (802), the inner rotary pipe (804) is fixed above the middle part of the assembly part (802), the bottom of the sample adding gun head (801) is provided with a liquid outlet (805), and both sides of the outside of the liquid outlet (805) are fixed with miniature suction cups (806).
2. The liquid return prevention sample adding gun according to claim 1, wherein an angle display component (4) is fixed on the outer surface of the sample adding gun body (1), the angle display component (4) comprises a display dial (401) and a pointer (402), and the pointer (402) is installed inside the display dial (401).
3. The sample adding gun capable of preventing liquid return according to claim 1, wherein a drop-proof hand assembly (5) is installed on the other side of the outside of the sample adding gun body (1), the drop-proof hand assembly (5) comprises a drop-proof outer frame (501), an inner movable rod (502), a limiting outer tube (503), a limiting rubber plate (504) and a flexible cotton cushion layer (505), the inner movable rod (502) is fixed on one side of the inner wall of the drop-proof outer frame (501), the limiting outer tube (503) is sleeved on one side of the inner movable rod (502), the limiting rubber plate (504) is fixed on one side of the limiting outer tube (503), and the flexible cotton cushion layer (505) is fixed on the inner wall of the limiting rubber plate (504).
4. The sample adding gun for preventing liquid return as claimed in claim 3, wherein the anti-drop outer frame (501) and the sample adding gun body (1) are integrated, and the anti-drop outer frame (501) is movably connected with the limit rubber plate (504) through the movable inner rod (502) and the limit outer tube (503).
5. A liquid return prevention sample application gun according to claim 1, characterized in that the liquid inlet pipe (601) is connected to the inside of the check chamber (602), and the check chamber (602) is connected to the inside of the assembly sleeve (7) through the flow channel (603).
6. The sample adding gun for preventing liquid return of claim 1, wherein the bellows (606) and the jacking flow-stopping plate (607) form an integrated structure with the high-pressure air bag (605), and the symmetry center of the jacking flow-stopping plate (607) is coincident with the symmetry center of the liquid inlet pipe (601).
7. The sample adding gun for preventing the liquid return according to claim 1, characterized in that the assembling part (802) of the sample adding gun head (801) is screwed with the assembling sleeve (7) through the inner coil (804) to form a thread, the inner wall of the assembling sleeve (7) is provided with an internal thread, and the outer wall of the inner coil (804) is provided with an external thread.
8. The sample adding gun for preventing liquid return according to claim 1, wherein micro suction cups (806) are symmetrically distributed outside the liquid outlet (805) of the sample adding gun head (801), and the micro suction cups (806) are in an inclined structure.
9. The liquid return prevention sample adding gun according to claim 1, wherein the reinforcing assembly (9) comprises a connecting rod (901), a reinforcing ring (902) and a rubber anti-slip layer (903), the connecting rod (901) is fixed on the outer side of the assembling sleeve (7), the reinforcing ring (902) is installed below the connecting rod (901), and the rubber anti-slip layer (903) is bonded on the inner wall of the reinforcing ring (902).
10. The sample adding gun for preventing the liquid return according to claim 9, wherein the center of symmetry of the reinforcing ring (902) coincides with the center of symmetry of the sample adding gun head (801), and the inner side surface of the rubber anti-slip layer (903) on the inner wall of the reinforcing ring (902) is tightly attached to the outer side surface of the sample adding gun head (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110800201.XA CN113546704B (en) | 2021-07-15 | 2021-07-15 | Prevent back application of sample rifle of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110800201.XA CN113546704B (en) | 2021-07-15 | 2021-07-15 | Prevent back application of sample rifle of liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113546704A CN113546704A (en) | 2021-10-26 |
| CN113546704B true CN113546704B (en) | 2022-06-03 |
Family
ID=78103120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110800201.XA Expired - Fee Related CN113546704B (en) | 2021-07-15 | 2021-07-15 | Prevent back application of sample rifle of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113546704B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1395424A (en) * | 1971-06-23 | 1975-05-29 | Suovaniemi Osmo Antero | Pipette |
| DE2963009D1 (en) * | 1978-09-04 | 1982-07-22 | Lkb Clinicon Ab | A pipetting and dosing device |
| CN104343690A (en) * | 2013-08-06 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly of scroll compressor and scroll compressor |
| CN106137221A (en) * | 2016-08-04 | 2016-11-23 | 苏州毕诺佳医药技术有限公司 | A kind of anti-suck blood sampler |
| CN107174680A (en) * | 2017-07-04 | 2017-09-19 | 张家港市沙工医疗器械科技发展有限公司 | Bladder type ureteral catheter |
| CN111589481A (en) * | 2020-06-04 | 2020-08-28 | 向军 | Clinical laboratory uses pipettor |
-
2021
- 2021-07-15 CN CN202110800201.XA patent/CN113546704B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1395424A (en) * | 1971-06-23 | 1975-05-29 | Suovaniemi Osmo Antero | Pipette |
| DE2963009D1 (en) * | 1978-09-04 | 1982-07-22 | Lkb Clinicon Ab | A pipetting and dosing device |
| CN104343690A (en) * | 2013-08-06 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly of scroll compressor and scroll compressor |
| CN106137221A (en) * | 2016-08-04 | 2016-11-23 | 苏州毕诺佳医药技术有限公司 | A kind of anti-suck blood sampler |
| CN107174680A (en) * | 2017-07-04 | 2017-09-19 | 张家港市沙工医疗器械科技发展有限公司 | Bladder type ureteral catheter |
| CN111589481A (en) * | 2020-06-04 | 2020-08-28 | 向军 | Clinical laboratory uses pipettor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113546704A (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2105306B1 (en) | Liquid container and liquid consuming apparatus | |
| EP1733902A3 (en) | Tire Pump | |
| CN113546704B (en) | Prevent back application of sample rifle of liquid | |
| CN105538915A (en) | Micro ink supply electronic adjusting device | |
| WO2007059344A1 (en) | Integrated bicycle air pump | |
| CN209254603U (en) | A kind of gel preparation machine | |
| CN214717616U (en) | Spray gun | |
| CN215856476U (en) | Quantitative filling structure for liquid material of melt-blown fabric equipment | |
| CN220819937U (en) | Thin-layer chromatography sample application pen capable of controlling flow | |
| CN210902454U (en) | Anti-backflow straw cup capable of automatically discharging water | |
| CN211705502U (en) | Medicine-saving injector assembly | |
| CN209915235U (en) | Simple ink-filling stationery box and ink-filling pen thereof | |
| CN109484069B (en) | Novel inkstone ink grinding device capable of achieving intermittent water inlet synchronous grinding | |
| CN211545200U (en) | Air suction head device | |
| CN214832701U (en) | Sufficient perfusion device of high performance concrete | |
| CN214922057U (en) | Pressure oxygen-fixing sand head tool | |
| CN201381961Y (en) | Pneumatic liquid suction and discharge pump | |
| CN221003027U (en) | Double-end hydraulic metering pump | |
| CN218588360U (en) | Sole gluing device for bonding upper and sole | |
| CN220266669U (en) | Bucket rod type support convenient for oiling | |
| CN220496759U (en) | Packaging bag lining gluing equipment | |
| CN219400829U (en) | Laminated glass glue injection device | |
| CN219838346U (en) | Bagged ink degassing device | |
| CN211711139U (en) | Filling head | |
| CN209131754U (en) | A kind of Unloading Metering equipment with vacuum brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |