CN211755103U - Liquid suction gun head for suction pump for experiment - Google Patents
Liquid suction gun head for suction pump for experiment Download PDFInfo
- Publication number
- CN211755103U CN211755103U CN201922412084.0U CN201922412084U CN211755103U CN 211755103 U CN211755103 U CN 211755103U CN 201922412084 U CN201922412084 U CN 201922412084U CN 211755103 U CN211755103 U CN 211755103U
- Authority
- CN
- China
- Prior art keywords
- suction
- liquid suction
- gun head
- imbibition
- pump
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Aiming at the problems that the pipette tips equipped with most of the existing experimental suction pumps are pipette tips, unnecessary loss is caused by the fact that precipitates are easy to suck away, liquid cannot be thoroughly sucked away quickly, the tube walls are dried quickly and the like, bad experience is brought to experimenters, and the like, the problems are solved. This pump rifle head for experiments adopts bilayer structure, designs two kinds of imbibition modes and uses under the operational environment of difference cooperatees. Can realize the longitudinal movement of first part of suction pump suction gun head through the cylindric spiral thrust unit of manual rotation, make sharp mouth form imbibition end conversion operating mode, the annular imbibition of heavy-calibre is protruding to be protruding and the annular imbibition of small-bore is protruding through rotatory certain angle at gomphosis state and separation state conversion in suction pump suction gun head first part, thereby the realization is only held the imbibition by sharp mouth form imbibition or only is protruding with the protruding imbibition of the annular imbibition of small-bore by the annular imbibition of heavy-bore, can better adapt to operational environment, solve the unable problem of using in coordination of suction pump and pipetting gun head for original experiments, the experimental efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of experimental device, a suction pump imbibition rifle head for experiments is provided very much.
Background
The experimental pump has the function of pumping liquid and retaining precipitate in experiments, and is widely applied to the aspects of medical treatment, scientific research, sanitation and the like. However, most of the prior experimental suction pumps are provided with pipette tips, and have a plurality of problems. If easily will deposit and siphon away, unable thorough and quick with liquid siphoning away and make the pipe wall dry rapidly, cause unnecessary loss easily, bring not good experience for the experimenter, need a special for the experiment pump imbibition rifle head that the pump designed for the experiment.
Disclosure of Invention
The invention aims to provide an experimental liquid pumping gun head, which aims to solve the problems that in the prior art, most of the experimental liquid pumping gun heads are liquid-transfering gun heads, so that liquid is not sucked quickly enough, the suction range is limited, and precipitates are easily sucked by mistake to cause unnecessary loss.
In order to realize the purpose, the utility model adopts the technical proposal that: the utility model provides a suction pump pipette head for experiments, including first part of suction pump pipette head and suction pump pipette head second part. The first part of the liquid suction gun head of the suction pump comprises a gun head connecting device, a cylindrical spiral pushing device, a spiral pushing rod, an embedded cylindrical spiral pushing device, an embedded spiral pushing rod, a reverse suction prevention filter screen, a circular truncated cone-shaped liquid suction cavity, a large-caliber annular liquid suction bulge, a small-caliber annular liquid suction bulge and a sharp-mouth-shaped liquid suction end. The second part of the suction pump liquid suction gun head comprises a cylindrical gun head connecting device, a large-caliber truncated cone-shaped liquid suction cavity, a large-caliber annular liquid suction hole, a small-caliber annular liquid suction hole and a liquid suction mode conversion device. The gun head connecting device is connected with the pump through a rubber hose or a pipette made of other common materials. The cylindrical spiral pushing device is connected with the spiral pushing rod through a plurality of polyethylene material short rods, and the embedded cylindrical spiral pushing device is connected with the embedded spiral pushing rod through a plurality of polyethylene material short rods. The first portion of the pump pipette tip resides entirely within the second portion of the pump pipette tip. The second part of the suction pump liquid suction gun head comprises a cylindrical gun head connecting device, a large-caliber truncated cone-shaped liquid suction cavity, a large-caliber annular liquid suction hole, a small-caliber annular liquid suction hole and a liquid suction mode conversion device.
Further, the spiral push rod is connected with the embedded spiral push rod through a spiral fastening principle to realize longitudinal movement.
Furthermore, the anti-suck-back filter screen is formed by combining multiple layers of high-density glass fibers.
Furthermore, the large-caliber annular liquid suction bulge is provided with a rubber buffer gasket and is embedded or separated with the large-caliber annular liquid suction hole through a screw; the small-caliber annular liquid suction bulge is also provided with a rubber buffer gasket and is embedded or separated with the small-caliber annular liquid suction hole through a screw.
Furthermore, the liquid suction mode conversion device is made of elastic materials, and the working state of the pointed liquid suction end is controlled through longitudinal movement of the first part of the liquid suction pump head.
Further, the liquid suction mode switching device is a membrane structure with a cross-shaped opening, and the liquid suction mode can be switched by the longitudinal movement of the sharp-mouth-shaped liquid suction end.
Furthermore, the longitudinal movement of the first part of the liquid suction gun head of the suction pump, the embedding and the separation of the large-caliber annular liquid suction protrusion and the large-caliber annular liquid suction hole, and the embedding and the separation of the small-caliber annular liquid suction protrusion and the small-caliber annular liquid suction hole can be realized by manually rotating the cylindrical spiral pushing device.
Further, the second portion of the pump pipette tip is comprised of a polyethylene material.
Has the advantages that:
the utility model discloses an experimental suction pump imbibition rifle head adopts bilayer structure to design two kinds of imbibition modes and different operational environment and cooperate. When the liquid suction gun head for the experiment is started, the sharp-mouth-shaped liquid suction end is in a liquid suction state at the tail part of the gun head through the liquid suction mode conversion device, and the large-caliber annular liquid suction protrusion and the small-caliber annular liquid suction protrusion are in a separation state from the corresponding liquid suction holes, so that liquid suction is realized only through the sharp-mouth-shaped liquid suction end, and the liquid suction gun head is suitable for experiments with accurate requirements of culture medium replacement, a small amount of liquid suction and the like; when the cylindric spiral thrust unit of manual anticlockwise rotation can realize that the first part of suction pump suction gun head upwards removes in vertical direction, sharp mouth form imbibition end no longer with imbibition mode conversion device 24 contact and be in non-imbibition state, simultaneously the annular imbibition of heavy-calibre is protruding and the annular imbibition of small-bore is protruding become the gomphosis state and imbibition by the separation state through rotatory certain angle and corresponding imbibition hole, thereby the realization is only protruding by the annular imbibition of large-bore, the annular imbibition of small-bore is protruding and is corresponding the imbibition hole and carry out the imbibition, be applicable to the interior liquid of centrifuge tube and absorb fast, use in the experiment of quantity requirements such as a large. Through the adaptation operational environment that the switching of two kinds of imbibition modes can be better, solve the problem that original pump and liquid-transfering gun head can't cooperate the use, improve experimental efficiency. Simultaneously the utility model discloses an it is equipped with and prevents suck-back filter screen device to take out pump rifle head for experiments, deposits the problem of being absorb when effectively avoiding absorbing liquid, has reduced unnecessary loss that misoperation brought in the experiment.
Drawings
Fig. 1 is a schematic structural view of a pipette tip of a pump.
The suction gun comprises a suction pump liquid suction gun head 1, a suction pump liquid suction gun head 11, a cylindrical spiral pushing device 12, a spiral pushing rod 13, an embedded cylindrical spiral pushing device 14, a reverse suction prevention filter screen 15, a circular truncated cone-shaped liquid suction cavity 16, a large-caliber annular liquid suction protrusion 17, a small-caliber annular liquid suction protrusion 18, a pointed-mouth-shaped liquid suction end 19, a cylindrical gun head connecting device 2, a large-caliber circular truncated cone-shaped liquid suction cavity 21, a large-caliber annular liquid suction hole 22, a small-caliber annular liquid suction hole 23 and a liquid suction mode conversion device 24.
Fig. 2 is a schematic view of a first portion of a pumping pipette head.
The suction gun comprises a suction gun head, a suction gun head connecting device, a cylindrical spiral pushing device, a spiral pushing rod, a tabling cylindrical spiral pushing device, a tabling spiral pushing rod, a reverse suction prevention filter screen, a truncated cone-shaped liquid suction cavity, a large-caliber annular liquid suction protrusion 17, a small-caliber annular liquid suction protrusion 18 and a sharp-mouth-shaped liquid suction end 19, wherein the suction gun head connecting device is 1, the cylindrical spiral pushing device is 11, the spiral pushing rod is 12, the tabling cylindrical spiral pushing device is.
Figure 3 is a schematic diagram of the construction of the second part of the suction pipette tip.
Wherein 2 is a cylindrical gun head connecting device, 21 is a large-caliber truncated cone-shaped liquid suction cavity, 22 is a large-caliber annular liquid suction hole, 23 is a small-caliber annular liquid suction hole, and 24 is a liquid suction mode conversion device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
FIG. 1 is a schematic structural view of a head of an experimental suction pump, as shown in FIG. 1, the liquid pumped by the experimental suction pump of the present invention
The gun head consists of a first part of a liquid pumping gun head and a second part of the liquid pumping gun head.
Example 2
Fig. 2 is the structure schematic diagram of first part of suction pump imbibition rifle head, as shown in fig. 2, the utility model provides a first part of suction pump imbibition rifle head comprises rifle head connecting device 1, cylindric spiral pusher 11, spiral catch bar 12, the cylindric spiral pusher 13 of gomphosis, gomphosis spiral catch bar 14, anti-suck-back filter screen 15, round platform form imbibition chamber 16, the annular imbibition of heavy-calibre is protruding 17, the annular imbibition of small-bore is protruding 18 and the imbibition end of sharp mouth form 19 of sucking liquid. Wherein the gun head connecting device 1 is connected with the pump through a rubber hose or a pipette made of other common materials; the cylindrical spiral pushing device 11 is connected with the spiral pushing rod 12 through a plurality of polyethylene material short rods, and the embedded cylindrical spiral pushing device 13 is connected with the embedded spiral pushing rod 14 through a plurality of polyethylene material short rods. The manual rotation of the cylindrical screw pushing device 13 can realize the longitudinal movement of the sharp-mouth-shaped liquid absorbing end 19, the embedding and the separation of the large-caliber annular liquid absorbing protrusion 17 and the large-caliber annular liquid absorbing hole 22, and the embedding and the separation of the small-caliber annular liquid absorbing protrusion 18 and the small-caliber annular liquid absorbing hole 23.
Example 3
Fig. 3 is a schematic structural diagram of a second part of the suction gun head of the suction pump, and as shown in fig. 3, the suction gun head comprises a cylindrical gun head connecting device 2, a large-caliber truncated cone-shaped liquid suction cavity 21, a large-caliber annular liquid suction hole 22, a small-caliber annular liquid suction hole 23, and a liquid suction mode switching device 24. Wherein cylindric rifle head connecting device 2 and the cylindric spiral thrust unit 13 zonulae occludens of gomphosis, heavy-calibre round platform form imbibition chamber 21 is the even straight tube of texture, imbibition mode conversion equipment 24 comprises elastic material, sharp mouth form imbibition end 19 no longer contacts with imbibition mode conversion equipment 24 when manual rotatory cylindric spiral thrust unit 11 makes sharp mouth form imbibition end 19 move up, realize the conversion of imbibition mode, adaptation operational environment that can be better through the switching of two kinds of imbibition modes, solve original pumpingly and the unable problem of using of cooperateing of pipetting the rifle head, improve experimental efficiency.
Example 4
As shown in FIG. 1, the suck-back prevention filter screen 15 is formed by combining multiple layers of high-density glass fibers, so that the problem that precipitates are sucked simultaneously when liquid is sucked is effectively avoided, and unnecessary loss caused by experimental operation errors is reduced.
The invention is not the best known technology.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an experimental suction pump imbibition rifle head which characterized in that: comprises a first part of a suction liquid suction gun head and a second part of the suction liquid suction gun head; the first part of the liquid suction gun head of the suction pump comprises a gun head connecting device (1), a cylindrical spiral pushing device (11), a spiral pushing rod (12), an embedded cylindrical spiral pushing device (13), an embedded spiral pushing rod (14), a suck-back prevention filter screen (15), a circular truncated cone-shaped liquid suction cavity (16), a large-caliber annular liquid suction protrusion (17), a small-caliber annular liquid suction protrusion (18) and a sharp-mouth-shaped liquid suction end (19); the gun head connecting device (1) is connected with the pump through a rubber hose or a pipette made of other materials; the cylindrical spiral pushing device (11) is connected with the spiral pushing rod (12) through a plurality of polyethylene material short rods; the embedded cylindrical spiral pushing device (13) is connected with the embedded spiral pushing rod (14) through a plurality of polyethylene material short rods; the first part of the suction liquid suction gun head completely exists in the second part of the suction liquid suction gun head; the second part of the suction gun head of the pump comprises a cylindrical gun head connecting device (2), a large-caliber circular truncated cone-shaped suction cavity (21), a large-caliber annular suction hole (22), a small-caliber annular suction hole (23) and a suction mode conversion device (24).
2. The laboratory pump pipette tip of claim 1, further comprising: the spiral push rod (12) is connected with the embedded spiral push rod (14) through a spiral fastening principle to realize longitudinal movement.
3. The laboratory pump pipette tip of claim 1, further comprising: the anti-suck-back filter screen (15) is formed by combining multiple layers of high-density glass fibers.
4. The laboratory pump pipette tip of claim 1, further comprising: the large-caliber annular liquid suction protrusion (17) is provided with a rubber buffer gasket and is embedded or separated with the large-caliber annular liquid suction hole (22) through a screw; the small-caliber annular liquid suction protrusion (18) is also provided with a rubber buffer gasket and is embedded or separated with the small-caliber annular liquid suction hole (23) through a screw.
5. The laboratory pump pipette tip of claim 1, further comprising: the liquid suction mode conversion device (24) is made of elastic materials, and the working state of the pointed liquid suction end (19) is controlled through the longitudinal movement of the first part of the liquid suction pump suction gun head.
6. The laboratory pump pipette tip of claim 1, further comprising: the longitudinal movement of the first part of the liquid pumping gun head is realized by manually rotating the cylindrical spiral pushing device (11), and the switching of the liquid suction mode of the liquid pumping gun head is realized simultaneously.
7. The laboratory pump pipette tip of claim 1, further comprising: the second part of the suction pump pipette head is made of polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412084.0U CN211755103U (en) | 2019-12-28 | 2019-12-28 | Liquid suction gun head for suction pump for experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412084.0U CN211755103U (en) | 2019-12-28 | 2019-12-28 | Liquid suction gun head for suction pump for experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211755103U true CN211755103U (en) | 2020-10-27 |
Family
ID=72978164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922412084.0U Expired - Fee Related CN211755103U (en) | 2019-12-28 | 2019-12-28 | Liquid suction gun head for suction pump for experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211755103U (en) |
-
2019
- 2019-12-28 CN CN201922412084.0U patent/CN211755103U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211755103U (en) | Liquid suction gun head for suction pump for experiment | |
| CN204346750U (en) | A kind of device extracting parasitic ovum in ight soil | |
| CN105662641A (en) | Novel injector for veterinarian | |
| WO2022099959A1 (en) | Cleaning station structure for preventing liquid hanging from sampling needle | |
| CN201965136U (en) | Flow path system for automation biochemical reaction flow | |
| CN211213435U (en) | Special uterine aspiration curettage device for gynecology | |
| CN209576727U (en) | A kind of pipetting tip convenient for being clamped with pipettor | |
| CN202175285U (en) | Liquid storage bottle | |
| CN207641491U (en) | A kind of novel liquid-transfering gun suction nozzle | |
| CN206552542U (en) | Scraper-type Yoghourt cylinder and suction pipe | |
| US20100111769A1 (en) | Pipette Device System and Micropipette Thereof | |
| CN210128871U (en) | Device for taking loose stool sample | |
| CN207779752U (en) | A kind of liquid sampling filtering device | |
| CN209734661U (en) | Low-resistance syringe | |
| CN208049102U (en) | A kind of gastrolavage device for pediatrics | |
| CN205965886U (en) | Pipette tip | |
| CN211586666U (en) | Multi-gun-head liquid-transfering gun | |
| CN207845056U (en) | The automobile-used scraper bowl of Multifunctional fork | |
| CN207042507U (en) | Preposition suction gun | |
| CN219694624U (en) | Extractum class spices sampling instrument | |
| CN206184467U (en) | Isolated solution liquid -transfering gun | |
| CN217699233U (en) | Multifunctional large-capacity vacuum safe liquid sucking pump | |
| CN214681794U (en) | Washing liquid bottle | |
| CN215430011U (en) | Glue injection gun device for filling sealant into PCCP (prestressed concrete Cylinder pipe) pipeline gap | |
| CN110498249A (en) | A kind of rotary feed tank and arc rod-type remove separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |