CN216172429U - Pipettor with seal structure - Google Patents
Pipettor with seal structure Download PDFInfo
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- CN216172429U CN216172429U CN202122148179.3U CN202122148179U CN216172429U CN 216172429 U CN216172429 U CN 216172429U CN 202122148179 U CN202122148179 U CN 202122148179U CN 216172429 U CN216172429 U CN 216172429U
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- fixedly connected
- barrel
- pipette
- liquid
- movable rod
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Abstract
The utility model discloses a liquid transfer device with a sealing structure, which comprises a cylinder body, a liquid pumping mechanism, a liquid suction pipe, a branch pipe, a liquid storage cylinder, a magnetic suction mechanism arranged at the rear end of the cylinder body and a sealing mechanism arranged in the liquid suction pipe, wherein the sealing mechanism comprises a sealing ball head, an ejector pin, a sealing plug, a metal sheet and a spring III, the spring III is fixedly connected to the inner top wall of the liquid suction pipe, the metal sheet is fixedly connected to the bottom end of the spring III, the metal sheet is attached to the inner wall of the liquid suction pipe, the ejector pin is fixedly connected to the bottom of the metal sheet, and the bottom of the ejector pin extends out of the liquid suction pipe and is fixedly connected with the sealing ball head. Has the advantages that: according to the utility model, the sealing mechanism and the magnetic absorption mechanism are arranged, after liquid absorption is carried out, the magnetic absorption mechanism enables the sealing mechanism to seal the liquid absorption pipe, so that liquid is prevented from dripping from the liquid absorption pipe, liquid leakage is avoided, and the liquid absorption device is convenient to use.
Description
Technical Field
The utility model relates to the technical field of pipettors, in particular to a pipettor with a sealing structure.
Background
A liquid transfer device, also called a liquid transfer gun, is a metering tool for transferring liquid from an original container to another container in a certain range, and is widely used in the fields of biology, chemistry and the like.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a pipette having a seal structure.
The utility model realizes the purpose through the following technical scheme:
the utility model provides a pipettor with seal structure, includes barrel, drawing liquid mechanism, pipette, branch pipe, stock solution section of thick bamboo, still including set up in the magnetism of barrel rear end is inhaled the mechanism and is set up in sealing mechanism in the pipette, sealing mechanism includes sealed bulb, thimble, sealing plug, sheetmetal, spring three, roof fixedly connected with in the pipette spring three, three bottom fixedly connected with of spring the sheetmetal, the sheetmetal with the laminating of pipette inner wall, sheetmetal bottom fixedly connected with the thimble, stretch out the thimble bottom pipette and fixedly connected with sealed bulb, on the thimble outer wall and be located the below fixedly connected with of sheetmetal the sealing plug, the sealing plug with the laminating of pipette inner wall.
Preferably, the bottom of the barrel is fixedly connected with the pipette, the top end of the pipette extends into the barrel, the two sides of the pipette are fixedly connected with the branch pipes, the branch pipes are located in the barrel, the barrel is connected with the liquid storage barrel, and the top ends of the branch pipes are communicated with the liquid storage barrel.
So set up, through the pipette and the branch pipe, inhale liquid in the stock solution section of thick bamboo.
Preferably, drawing liquid mechanism is including pressing panel one, movable rod one, limiting plate one, spring one, piston, barrel top sliding connection has movable rod one, a movable rod top fixedly connected with press panel one, a movable rod bottom stretches into in the liquid storage cylinder and fixedly connected with the piston, the piston with the laminating of liquid storage cylinder inner wall, fixedly connected with on the movable rod outer wall limiting plate one, a limiting plate bottom fixedly connected with spring one, a spring bottom with liquid storage cylinder fixed connection.
According to the arrangement, the first movable rod is jacked up by the first spring, and the first movable rod drives the piston to move upwards to suck liquid.
Preferably, the mechanism is inhaled to magnetism includes press plate two, movable rod two, permanent magnet, limiting plate two, spring two, the barrel rear side sliding connection has movable rod two, two rear side fixedly connected with of movable rod press plate two, two front ends of movable rod stretch into in the barrel and fixedly connected with the permanent magnet, the permanent magnet is located the pipette top, on two outer walls of movable rod and be located permanent magnet rear side fixedly connected with limiting plate two, two rear side fixedly connected with of limiting plate spring two, two rear ends of spring with barrel inner wall fixed connection.
According to the arrangement, the second movable rod is used for pushing the permanent magnet to the upper side of the liquid suction pipe, so that the metal sheet is adsorbed.
Preferably, the mechanism is inhaled to magnetism includes according to clamp plate two, permanent magnet, threaded rod, thread bush, barrel rear side sliding connection has the threaded rod, threaded rod rear side fixedly connected with press clamp plate two, the threaded rod front end stretches into in the barrel and fixedly connected with the permanent magnet, the permanent magnet is located the pipette top, there is the thread bush on the threaded rod outer wall through threaded connection, the thread bush with barrel rear side inner wall fixed connection.
With the arrangement, the permanent magnet is moved to the upper part of the liquid suction pipe by using the threaded rod, so that the metal sheet is adsorbed.
Has the advantages that: according to the utility model, the sealing mechanism and the magnetic absorption mechanism are arranged, after liquid absorption is carried out, the magnetic absorption mechanism enables the sealing mechanism to seal the liquid absorption pipe, so that liquid is prevented from dripping from the liquid absorption pipe, liquid leakage is avoided, and the liquid absorption device is convenient to use.
Additional features of the utility model and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a perspective view of a pipette having a sealing structure according to the present invention;
fig. 2 is a front view of the internal structure of a pipette having a sealing structure according to the present invention;
fig. 3 is a left side view of the internal structure of a pipette having a sealing structure according to the present invention;
fig. 4 is a front view of a sealing mechanism of a pipette having a sealing structure according to the present invention;
fig. 5 is a left side view of a magnetic attraction mechanism of embodiment 2 of a pipette with a sealing structure according to the present invention.
The reference numerals are explained below: 1. a barrel; 2. a liquid pumping mechanism; 201. pressing the first plate; 202. a first movable rod; 203. a first limiting plate; 204. a first spring; 205. a piston; 3. a magnetic attraction mechanism; 301. a second pressing plate; 302. a second movable rod; 303. a permanent magnet; 304. a second limiting plate; 305. a second spring; 306. a threaded rod; 307. a threaded sleeve; 4. a pipette; 5. a branch pipe; 6. a liquid storage cylinder; 7. a sealing mechanism; 701. sealing the ball head; 702. a thimble; 703. a sealing plug; 704. a metal sheet; 705. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The utility model will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-4, a pipette with a sealing structure comprises a barrel 1, a liquid pumping mechanism 2, a pipette 4, a branch pipe 5, a liquid storage cylinder 6, a magnetic attraction mechanism 3 arranged at the rear end of the barrel 1, and a sealing mechanism 7 arranged in the pipette 4, wherein the sealing mechanism 7 comprises a sealing ball head 701, a thimble 702, a sealing plug 703, a metal sheet 704 and a spring three 705, the inner top wall of the pipette 4 is fixedly connected with the spring three 705, the bottom end of the spring three 705 is fixedly connected with the metal sheet 704, the metal sheet 704 is attached to the inner wall of the pipette 4, the bottom of the metal sheet 704 is fixedly connected with the thimble 702, the bottom of the thimble 702 extends out of the pipette 4 and is fixedly connected with the sealing ball head 701, the sealing plug is fixedly connected to the outer wall of the thimble 702 and is located below the metal sheet 704, and the sealing plug is attached to the inner wall of the pipette 4.
Preferably, the bottom of the barrel body 1 is fixedly connected with a pipette 4, the top end of the pipette 4 extends into the barrel body 1, branch pipes 5 are fixedly connected to two sides of the pipette 4, the branch pipes 5 are located in the barrel body 1, the liquid storage barrel 6 is connected in the barrel body 1, the top end of the branch pipe 5 is communicated with the liquid storage barrel 6, the liquid pumping mechanism 2 comprises a first pressing plate 201, a first movable rod 202, a first limiting plate 203, a first spring 204 and a piston 205, the top of the barrel body 1 is slidably connected with the first movable rod 202, the top of the first movable rod 202 is fixedly connected with the first pressing plate 201, the bottom of the first movable rod 202 extends into the liquid storage barrel 6 and is fixedly connected with the piston 205, the piston 205 is attached to the inner wall of the liquid storage barrel 6, the outer wall of the first movable rod 202 is fixedly connected with the first limiting plate 203, the bottom of the first limiting plate 203 is fixedly connected with the first spring 204, the bottom end of the first spring 204 is fixedly connected with the liquid storage barrel 6, the magnetic attraction mechanism 3 comprises a second movable plate 301, a second movable rod 302, Permanent magnet 303, two 304 of limiting plate, two 305 of spring, barrel 1 rear side sliding connection has two 302 of movable rod, two 302 rear side fixedly connected with of movable rod press the clamp plate two 301, two 302 front ends of movable rod stretch into barrel 1 and fixedly connected with permanent magnet 303, permanent magnet 303 is located 4 tops of pipette, on two 302 outer walls of movable rod and be located two 304 of permanent magnet 303 rear side fixedly connected with limiting plate, two 304 rear side fixedly connected with springs 305 of limiting plate, two 305 rear ends of spring and barrel 1 inner wall fixed connection.
Example 2
As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: magnetism is inhaled mechanism 3 and is included two 301 pressing plates, permanent magnet 303, threaded rod 306, thread bush 307, and barrel 1 rear side sliding connection has threaded rod 306, and two 301 pressing plates of threaded rod 306 rear side fixedly connected with, threaded rod 306 front end stretch into in the barrel 1 and fixedly connected with permanent magnet 303, and permanent magnet 303 is located pipette 4 top, has thread bush 307 through threaded connection on the threaded rod 306 outer wall, thread bush 307 and barrel 1 rear side inner wall fixed connection.
The working principle is as follows: when the liquid sucking device is used, the first movable rod 202 is pressed downwards through the first pressing plate 201, the first spring 204 is compressed, the first movable rod 202 drives the piston 205 to move to the bottom of the liquid storage cylinder 6, then the liquid sucking pipe 4 is placed into liquid, the finger force is relieved, the first limiting plate 203 drives the first movable rod 202 to move upwards under the action of the second spring 305, so that the piston 205 moves upwards, liquid is sucked, after liquid is sucked, the second pressing plate 301 is pressed, the second movable rod 302 drives the permanent magnet 303 to move, the second spring 305 extends, the permanent magnet 303 is moved to the upper part of the liquid sucking pipe 4, or the second pressing plate 301 rotates the threaded rod 306, the threaded rod 306 is matched with the threaded sleeve 307, so that the threaded rod 306 drives the permanent magnet 303 to move, the permanent magnet 303 is moved to the upper part of the liquid sucking pipe 4, the metal sheet 704 moves upwards under the action of the magnetic force, the third spring 705 is compressed, the metal sheet 704 drives the thimble 702 to move upwards, the thimble 702 drives the sealing ball head 701 to move upwards, so that the sealing ball head 701 seals the liquid inlet of the pipette 4.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a pipettor with seal structure, includes barrel (1), drawing liquid mechanism (2), pipette (4), branch pipe (5), stock solution section of thick bamboo (6), its characterized in that: the magnetic suction device is characterized by further comprising a magnetic suction mechanism (3) arranged at the rear end of the barrel body (1) and a sealing mechanism (7) arranged in the pipette (4), wherein the sealing mechanism (7) comprises a sealing ball head (701), an ejector pin (702), a sealing plug (703), a metal sheet (704) and a spring III (705), the spring III (705) is fixedly connected to the inner top wall of the pipette (4), the metal sheet (704) is fixedly connected to the bottom end of the spring III (705), the metal sheet (704) is attached to the inner wall of the pipette (4), the ejector pin (702) is fixedly connected to the bottom of the metal sheet (704), the ejector pin (702) extends out of the pipette (4) and is fixedly connected with the sealing ball head (701), the sealing plug (703) is fixedly connected to the outer wall of the ejector pin (702) and is positioned below the metal sheet (704), the sealing plug (703) is attached to the inner wall of the pipette (4).
2. A pipette with a sealing structure according to claim 1, characterised in that: the utility model discloses a liquid storage barrel, including barrel (1), barrel (1) bottom fixedly connected with pipette (4), pipette (4) top stretches into in barrel (1), pipette (4) both sides fixedly connected with branch pipe (5), branch pipe (5) are located in barrel (1), barrel (1) in-connection has liquid storage barrel (6), branch pipe (5) top with liquid storage barrel (6) intercommunication.
3. A pipette with a sealing structure according to claim 2, characterised in that: draw liquid mechanism (2) including pressing down board (201), movable rod (202), limiting plate (203), spring (204), piston (205), barrel (1) top sliding connection has movable rod (202), movable rod (202) top fixedly connected with press down board (201), movable rod (202) bottom is stretched into in stock solution section of thick bamboo (6) and fixedly connected with piston (205), piston (205) with the laminating of stock solution section of thick bamboo (6) inner wall, fixedly connected with on the movable rod (202) outer wall limiting plate (203), limiting plate (203) bottom fixedly connected with spring (204), spring (204) bottom with stock solution section of thick bamboo (6) fixed connection.
4. A pipette with a sealing structure according to claim 1, characterised in that: magnetism is inhaled mechanism (3) and is included pressing panel two (301), movable rod two (302), permanent magnet (303), two (304) of limiting plate, spring two (305), barrel (1) rear side sliding connection has movable rod two (302), two (302) rear side fixedly connected with of movable rod press panel two (301), two (302) front ends of movable rod stretch into barrel (1) interior and fixedly connected with permanent magnet (303), permanent magnet (303) are located pipette (4) top, on two (302) outer walls of movable rod and be located permanent magnet (303) rear side fixedly connected with two (304) of limiting plate, two (304) rear side fixedly connected with of limiting plate spring two (305), two (305) rear ends of spring with barrel (1) inner wall fixed connection.
5. A pipette with a sealing structure according to claim 1, characterised in that: magnetism is inhaled mechanism (3) and is included pressing panel two (301), permanent magnet (303), threaded rod (306), thread bush (307), barrel (1) rear side sliding connection has threaded rod (306), threaded rod (306) rear side fixedly connected with press panel two (301), threaded rod (306) front end stretches into in barrel (1) and fixedly connected with permanent magnet (303), permanent magnet (303) are located pipette (4) top, have through threaded connection on threaded rod (306) outer wall thread bush (307), thread bush (307) with barrel (1) rear side inner wall fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148179.3U CN216172429U (en) | 2021-09-07 | 2021-09-07 | Pipettor with seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148179.3U CN216172429U (en) | 2021-09-07 | 2021-09-07 | Pipettor with seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216172429U true CN216172429U (en) | 2022-04-05 |
Family
ID=80918161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122148179.3U Active CN216172429U (en) | 2021-09-07 | 2021-09-07 | Pipettor with seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216172429U (en) |
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2021
- 2021-09-07 CN CN202122148179.3U patent/CN216172429U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221228 Address after: 448000 Building 8, No. 22, Hongling Avenue South, Shayang County, Jingmen City, Hubei Province Patentee after: Hubei Danfeng Sealing Technology Co.,Ltd. Address before: 476800 No. 14, Laocheng village, oasis sub district office, Minquan County, Shangqiu City, Henan Province Patentee before: Liu Linli |
|
| TR01 | Transfer of patent right |