CN208194426U - A kind of chemical reagent sampler - Google Patents
A kind of chemical reagent sampler Download PDFInfo
- Publication number
- CN208194426U CN208194426U CN201820560785.1U CN201820560785U CN208194426U CN 208194426 U CN208194426 U CN 208194426U CN 201820560785 U CN201820560785 U CN 201820560785U CN 208194426 U CN208194426 U CN 208194426U
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- China
- Prior art keywords
- tube
- plug
- support tube
- glass
- piston
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- 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
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a kind of chemical reagent samplers, relate generally to experiment instrument field.Including support tube, the bottom of the support tube is equipped with sealing-plug, the top of the support tube is equipped with test tube plug, the test tube plug is fixedly connected with support tube, the test tube plug is equipped with glass inlet tube, exhaust tube, the glass inlet tube includes the first glass tube, second glass tube, third glass tube, the support tube is equipped with piston cylinder far from the side of third glass tube, the top of the piston cylinder is equipped with the connector being adapted with exhaust tube, piston is equipped in the piston cylinder, the bottom of the piston is equipped with piston rod, the lower part of the outer wall of the support tube is equipped with V-type rocking bar, one end of the V-type rocking bar and piston rod are hinged, the top of the other end is equipped with lever, the top of the outer wall of the piston cylinder is equipped with exhaust pipe.The utility model has the beneficial effects that: can guarantee reagent completely into test tube, to prevent reagent to be dropped in external, highly-safe, easy to operate.
Description
Technical field
The utility model relates to test instrument field, specifically a kind of chemical reagent sampler.
Background technique
It needs to use a variety of chemical reagent in chemical experiment, chemical reagent is mounted in reagent bottle more, is often adopted when in use
After being sucked out with rubber head dropper, it is then transferred in test tube, during transfer, the reagent in rubber head dropper is easily oozed,
When shifting corrosive reagent, can not only corrode rubber head dropper, and reagent also easily drop in desktop or on hand, safety in utilization
It is low, potential danger is brought to human health and laboratory apparatus.
Utility model content
Utility model aims to solve problems of the prior art, and providing one kind can guarantee that reagent is complete
Into test tube, reagent is prevented to be dropped in external, highly-safe, easy to operate chemical reagent sampler.
The utility model to achieve the above object, is achieved through the following technical solutions:
A kind of chemical reagent sampler, including the support tube for holding test tubes, the bottom of the support tube is equipped with sealing
Plug, the sealing-plug are detachably connected with support tube, and the top of the support tube is equipped with test tube plug, the test tube plug and support tube
It is fixedly connected, the test tube plug is equipped with glass inlet tube, exhaust tube, and the glass inlet tube includes through the first of test tube plug
The top horizontal of glass tube, first glass tube is equipped with the second glass tube, and second glass tube is far from the first glass tube
Bottom is equipped with third glass tube, and the support tube is equipped with piston cylinder, the top of the piston cylinder far from the side of third glass tube
Equipped with the connector being adapted with exhaust tube, it is equipped with the first check valve in the connector, is equipped with piston, the work in the piston cylinder
The bottom of plug is equipped with piston rod, and the lower part of the outer wall of the support tube is equipped with V-type rocking bar, and the middle part of the V-type rocking bar is equipped with hinge
Spindle, the V-type rocking bar is hinged by articulated shaft and support tube, and torque spring, the torsion bullet are arranged on the articulated shaft
One end of spring is connect with V-type rocking bar, and the other end is connect with support tube, and one end of the V-type rocking bar and piston rod are hinged, the other end
Top be equipped with lever, the top of the outer wall of the piston cylinder is equipped with exhaust pipe, is equipped with second one-way valve in the exhaust pipe.
The sealing-plug is threadedly coupled with support tube, and the bottom of the sealing-plug is equipped with knob.
The test tube plug is up big and down small round table-like test tube plug.
The support tube is transparent pipe, and the outer wall of the support tube is equipped with graduated scale.
The prior art is compared, the utility model has the beneficial effects that:
The support tube of the utility model is used for holding test tubes, and test tube is inserted by the bottom of support tube, and will be tried by sealing-plug
Pipe is fixed in support tube, and after test tube is inserted into support tube, the oral area of test tube and test tube plug are in close contact, using test tube plug by test tube
Oral area closing, the third glass tube section of glass inlet tube is inserted into reagent bottle to be sampled, support tube is held and presses lever,
Piston rod can be driven to move down, the elastic force of torque spring is overcome when pressing lever, while pressing lever, torsion bullet
Spring stores power, and after unclamping lever, piston rod is moved up, piston reset, when piston rod moves down, can take out invisible spectro air
Out, negative pressure is in vitro formed, reagent is pumped into test tube, the first check valve guarantees that invisible spectro air can only be entered unidirectionally
In piston cylinder, the air in piston cylinder not can enter in test tube, exhaust when exhaust pipe is moved up for piston rod, second one-way valve
Guarantee that the air in piston cylinder can only be unidirectionally discharged into atmosphere by exhaust pipe, extraneous air cannot enter piston cylinder by exhaust pipe
In, in sampling, reagent to be sampled is extracted out from reagent bottle completely into after into test tube, then by third glass tube, can
Guarantee reagent completely into test tube, to prevent reagent to be dropped in external, highly-safe, easy to operate.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model；
Attached drawing 2 is the structural schematic diagram of glass inlet tube.
Numbering in the drawing: 1, support tube；2, sealing-plug；3, test tube plug；4, glass inlet tube；5, exhaust tube；6, the first glass
Glass pipe；7, the second glass tube；8, third glass tube；9, piston cylinder；10, connector；11, piston；12, piston rod；13, V-type rocking bar；
14, lever；15, exhaust pipe；16, knob.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please limited range.
Described in the utility model is a kind of chemical reagent sampler, including the support tube 1 for holding test tubes, support tube 1
For holding test tubes, the internal diameter of support tube 1 is greater than the outer diameter of test tube, and the difference of the outer diameter of the internal diameter and test tube of support tube 1 is 5mm,
Test tube is inserted by the bottom of support tube 1.The bottom of the support tube 1 is equipped with sealing-plug 2, and the sealing-plug 2 and support tube 1 are removable
Connection is unloaded, buckle structure can be used between sealing-plug 2 and support tube 1, external screw thread can also be set at the top of sealing-plug 2, prop up
The inner wall for supportting the bottom of cylinder 1 is equipped with corresponding internal screw thread, and sealing-plug 2 is threadedly coupled with support tube 1, and sealing-plug 2 consolidates test tube
It is scheduled in support tube 1.The top of the support tube 1 is equipped with test tube plug 3, and test tube plug 3 is used to seal the oral area of test tube, the test tube
Plug 3 is fixedly connected with support tube 1, and after test tube is inserted into support tube 1, the oral area and test tube plug 3 of test tube are in close contact, can be by test tube
Oral area closing.The test tube plug 3 is equipped with glass inlet tube 4, exhaust tube 5, and the movement of exhaust tube 5 extends vertically through test tube plug 3.
The glass inlet tube 4 includes the first glass tube 6 through test tube plug 3, and the top horizontal of first glass tube 6 is equipped with second
Glass tube 7, second glass tube 7 are equipped with third glass tube 8, the first glass tube 6, second far from the bottom of the first glass tube 6
Integral structure is used between glass tube 7, third glass tube 8, the length of third glass tube 8 is the length of the first glass tube 6
Three times.The support tube 1 is equipped with piston cylinder 9 far from the side of third glass tube 8, using one between piston cylinder 9 and support tube 1
Formula structure, integrated injection molding.The top of the piston cylinder 9 is equipped with the connector 10 being adapted with exhaust tube 5, and exhaust tube 5 passes through
Connector 10 is connected to piston cylinder 9.The first check valve is inlaid in the connector 10, the first check valve guarantees invisible spectro air only
It can unidirectionally enter in piston cylinder 1, the air in piston cylinder 1 not can enter in test tube.It is equipped with piston 11 in the piston cylinder 9,
The bottom of the piston 11 is equipped with piston rod 12, and piston rod 12 is able to drive piston 11 and slides up and down.The outer wall of the support tube 1
Lower part be equipped with V-type rocking bar 13, the middle part of the V-type rocking bar 13 is equipped with articulated shaft, and the V-type rocking bar 13 passes through articulated shaft and branch
It is hinged to support cylinder 1, torque spring is arranged on the articulated shaft, one end of the torque spring is connect with V-type rocking bar 13, the other end
It being connect with support tube 1, torque spring is used to provide an original state for the position of piston 11, after torque spring stress, piston
11 position change, after torque spring resets, piston 11 returns to original state.One end of the V-type rocking bar 13 and piston rod 12
Hingedly, the top of the other end is equipped with lever 14, and V-type rocking bar 13 constitutes seesaw structure, hand between lever 14 and piston rod 12
Lever 14 is pulled to support tube 1 by lever 14, and V-type rocking bar 13 is rotated around articulated shaft, and lever 14 moves up, and piston rod 12 moves down.
The top of the outer wall of the piston cylinder 9 is equipped with exhaust pipe 15, and second one-way valve is equipped in the exhaust pipe 15, and second one-way valve is protected
Air in card piston cylinder 9 can only be unidirectionally discharged into atmosphere by exhaust pipe 15, and extraneous air cannot enter piston by exhaust pipe 15
In cylinder 9.
When the utility model is used, after test tube is inserted into support tube 1, by 8 part of third glass tube of glass inlet tube 4
It is inserted into reagent bottle to be sampled, support tube 1 is held and presses lever 14, piston rod 12 can be driven to move down, press lever 14
When to overcome the elastic force of torque spring, while pressing lever 14, torque spring stores power, and after unclamping lever 14, torque spring is multiple
Position, piston rod 12 move up, and piston 11 resets, and when piston rod 12 moves down, can extract invisible spectro air out, in vitro
Negative pressure is formed, reagent is pumped into test tube, in sampling, reagent to be sampled is completely into after into test tube, then by third glass
Glass pipe is extracted out from reagent bottle, can guarantee reagent completely into test tube, prevent reagent be dropped in it is external, highly-safe, operation
It is convenient.
Further, for the ease of the installation of test tube, the sealing-plug 2 is threadedly coupled with support tube 1, the sealing-plug 2
Bottom be equipped with knob 16, can be convenient for rotary seal plug 2, the bottom of cylinder 1 easy to support it is on and off, can convenient for examination
The installation of pipe, convenient for the use of the utility model.
Further, for the ease of the installation of test tube, guarantee that the airtightness of test tube, the test tube plug 3 are up big and down small
Round table-like test tube plug, round table-like test tube plug can provide guiding for the installation of test tube, can be convenient for the installation of test tube, guarantee
The airtightness of test tube.
Further, for the ease of the control of sampling amount, the support tube 1 is transparent pipe, on the outer wall of the support tube 1
Equipped with graduated scale, the amount of reagent in test tube can be easily observed, can be convenient for the control of sampling amount.
Claims (4)
1. a kind of chemical reagent sampler, it is characterized in that: include the support tube (1) for holding test tubes, the support tube (1)
Bottom is equipped with sealing-plug (2), and the sealing-plug (2) is detachably connected with support tube (1), and the top of the support tube (1) is equipped with
Test tube plug (3), the test tube plug (3) are fixedly connected with support tube (1), the test tube plug (3) be equipped with glass inlet tube (4),
Exhaust tube (5), the glass inlet tube (4) include the first glass tube (6) through test tube plug (3), first glass tube (6)
Top horizontal be equipped with the second glass tube (7), second glass tube (7) far from the first glass tube (6) bottom be equipped with third
Glass tube (8), the support tube (1) are equipped with piston cylinder (9) far from the side of third glass tube (8), the top of the piston cylinder (9)
Portion is equipped with the connector (10) being adapted with exhaust tube (5), is equipped with the first check valve, the piston cylinder (9) in the connector (10)
Interior to be equipped with piston (11), the bottom of the piston (11) is equipped with piston rod (12), and the lower part of the outer wall of the support tube (1) is equipped with
V-type rocking bar (13), the middle part of the V-type rocking bar (13) are equipped with articulated shaft, and the V-type rocking bar (13) passes through articulated shaft and support tube
(1) hingedly, torque spring is arranged on the articulated shaft, one end of the torque spring is connect with V-type rocking bar (13), the other end
It is connect with support tube (1), hingedly, the top of the other end is equipped with lever for one end and piston rod (12) of the V-type rocking bar (13)
(14), the top of the outer wall of the piston cylinder (9) is equipped with exhaust pipe (15), and second one-way valve is equipped in the exhaust pipe (15).
2. a kind of chemical reagent sampler according to claim 1, it is characterized in that: the sealing-plug (2) and support tube (1)
It is threadedly coupled, the bottom of the sealing-plug (2) is equipped with knob (16).
3. a kind of chemical reagent sampler according to claim 1, it is characterized in that: the test tube plug (3) is up big and down small
Round table-like test tube plug.
4. a kind of chemical reagent sampler according to claim 1, it is characterized in that: the support tube (1) is transparent pipe, institute
The outer wall for stating support tube (1) is equipped with graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560785.1U CN208194426U (en) | 2018-04-18 | 2018-04-18 | A kind of chemical reagent sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560785.1U CN208194426U (en) | 2018-04-18 | 2018-04-18 | A kind of chemical reagent sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208194426U true CN208194426U (en) | 2018-12-07 |
Family
ID=64523546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820560785.1U Expired - Fee Related CN208194426U (en) | 2018-04-18 | 2018-04-18 | A kind of chemical reagent sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208194426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249768A (en) * | 2020-04-07 | 2020-06-09 | 孙海侠 | Extraction equipment convenient to chemical reagent processing |
-
2018
- 2018-04-18 CN CN201820560785.1U patent/CN208194426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249768A (en) * | 2020-04-07 | 2020-06-09 | 孙海侠 | Extraction equipment convenient to chemical reagent processing |
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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: 20181207 Termination date: 20200418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |