CN207440109U - A kind of sampling device for kjeldahl apparatus - Google Patents
A kind of sampling device for kjeldahl apparatus Download PDFInfo
- Publication number
- CN207440109U CN207440109U CN201721562960.2U CN201721562960U CN207440109U CN 207440109 U CN207440109 U CN 207440109U CN 201721562960 U CN201721562960 U CN 201721562960U CN 207440109 U CN207440109 U CN 207440109U
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- CN
- China
- Prior art keywords
- test tube
- hypanthium
- sampling device
- kjeldahl apparatus
- elastic component
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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.)
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Abstract
The utility model is related to a kind of sampling devices for kjeldahl apparatus.It includes housing, rotating disc is equipped in housing, on rotating disc several test tube jacks are circumferentially with along it, equipped with the fixed plate being vertically arranged on the housing of rotating disc one side, fixed plate the upper side and lower side is equipped with connecting plate, fixed plate between two connecting plates is equipped with vertical slide, the screw being vertically arranged is flexibly connected with two connecting plates, one end of screw is connected with the second motor in fixed plate, screw is equipped with the movable block being matched therewith, movable block one side is slidably connected with slide, movable block is equipped with vertical mandril, mandril is equipped with hypanthium, hypanthium is equipped with the appearance pipe cavity being adapted with test tube, the opening for holding pipe cavity is corresponding with any test tube jack, case top is equipped with the test tube that can stretch out test tube and passes through mouth.The utility model can realize automatic sampling, replace sample automatically, alleviate the labor intensity of experimenter, greatly improve work efficiency.
Description
Technical field
The utility model is related to a kind of sampling devices for kjeldahl apparatus.
Background technology
Kjeldahl apparatus be according to the principle of the content constant of nitrogen in protein, by the content of nitrogen in determination sample so as to
The instrument of protein content is calculated, because the method for its protein content survey calculation is called Kjeldahl's method, therefore is referred to as kelvin
Azotometer.Since the space of kjeldahl apparatus and the limitation of operation are, it is necessary to be put into test tube by manpower the test tube support of instrument
On disk.However when testing, the sample size of experiment is usually very big, it is necessary to experimenter is on the side always, the work of experimenter
Intensity is larger, and work efficiency is not high.
Utility model content
The utility model provides a kind of sampling device for kjeldahl apparatus, it is reasonable in design, easy to use,
It can realize automatic sampling, replace sample automatically, alleviate the labor intensity of experimenter, greatly improve work efficiency,
Solve problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem：It includes housing, is equipped in housing
Rotating disc, rotating disc are horizontally disposed with, and rotating disc is driven by the first motor by rotation axis, are circumferentially on rotating disc along it several
Test tube jack is equipped with connecting plate on the housing of rotating disc one side equipped with the fixed plate being vertically arranged, fixed plate the upper side and lower side,
Fixed plate between two connecting plates is equipped with vertical slide, and the screw being vertically arranged is flexibly connected with two connecting plates, screw
One end is connected with the second motor in fixed plate, and screw is equipped with the movable block being matched therewith, movable block one side and cunning
Rail is slidably connected, and movable block is equipped with vertical mandril, and mandril is equipped with hypanthium, and it is recessed that hypanthium is equipped with the appearance pipe being adapted with test tube
Chamber, the opening of appearance pipe cavity is corresponding with any test tube jack, and case top is equipped with the test tube that can stretch out test tube and passes through mouth.
In hypanthium several test tube clamping structures are equipped at intervals with along its circumferential side wall；Each test tube clamping structure includes being located at support
The openings of cup sidewall, the hypanthium lateral wall above openings are equipped with groove, and one end of groove is connected with openings, groove two
Limiting slot is equipped on side wall, connecting portion and the flexible fastening piece of elastic cleat are stretched in two limiting slots of groove, elastic clip
Item includes connecting portion, transition part and clamping section, and angle α between clamping section and connecting portion is acute angle, the clamping section of elastic cleat
It is stretched by openings in the appearance pipe cavity of hypanthium, the one side of flexible fastening piece is abutted with the connecting portion of elastic cleat, and elasticity is solid
The opposite side of stator is abutted with the outside of limiting slot.
The flexible fastening piece includes left fixed part and right fixed part, has angle β between left fixed part and right fixed part.
The hypanthium lower part, which is equipped with, holds elastic component cavity, and the side wall for holding elastic component cavity opening is equipped with internal thread, even
Connect ring and stretch into and hold in elastic component cavity, the lateral wall of connection ring be equipped with the matched external screw thread of internal thread, mandril upper end leads to
The centre bore for crossing connection ring is stretched into appearance elastic component cavity, and the centre bore of mandril and connection ring is slidably connected, and mandril upper end is equipped with
Elastic component is equipped between at the top of coupled jacking block, jacking block and appearance elastic component cavity.
The elastic component is spring.
The appearance pipe cavity bottom of the hypanthium is equipped with cushion pad.
The cushion pad is rubber washer.
First motor and the second motor are stepper motor or servomotor.
The test tube is the arc-shaped mouth of the multiple test tube jacks of covering by mouth.
The utility model using the above program, has the following advantages：
1st, during sample introduction, under the driving of the first motor, rotating disc goes to appropriate position, and the second motor drives screw mandrel turns
Dynamic, movable block is moved up with hypanthium along screw, so as to which the test tube in the rotating disc test tube jack with hypanthium face be lifted
It rises, the test tube of lifting is made to be connected with the injection port of kjeldahl apparatus；At the end of sample introduction, the second motor drives screw mandrel rotates, mobile
Block is moved down with hypanthium along screw, so as to which the test tube in hypanthium be moved down, until the test tube drops back into rotating disc again
In test tube jack；Then the first motor drives rotating disc to go to next station, is repeated in above-mentioned steps, so just realizes
Automatic sampling replaces sample automatically, alleviates the labor intensity of experimenter, greatly improves work efficiency.
2nd, the clamping section of elastic cleat can be clamped into the test tube in hypanthium, test tube can be made to be protected during movement
Verticality is held, is conducive to the progress of sample introduction；Elastic cleat is fixed on the /V on groove by the flexible deformation of flexible fastening piece
In slot, convenient for the installation and replacement of elastic cleat.
3rd, mandril and the centre bore of connection ring are slidably connected, and mandril upper end is equipped with coupled jacking block, and jacking block is with holding bullet
Property part cavity at the top of between be equipped with elastic component, can be to test tube application one when test tube is connected with the injection port of kjeldahl apparatus
Fixed pretightning force can so ensure the air-tightness that test tube is connected with the injection port of kjeldahl apparatus in sample introduction.
4th, the cushion pad for holding pipe cavity bottom and setting of hypanthium, has cushioning effect, is conducive to ensure in sample introduction
The air-tightness that test tube is connected with the injection port of kjeldahl apparatus.
5th, test tube is so conducive to the placement of test tube and checks by mouth to cover the arc-shaped mouth of multiple test tube jacks.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the overlooking the structure diagram of Fig. 1.
Fig. 3 is that hypanthium is connected the schematic cross-sectional view of part with mandril.
Fig. 4 is the A of Fig. 3 to part-structure schematic diagram.
Fig. 5 is B-B of Fig. 4 to partial cross-sectional structural diagram.
Fig. 6 is enlarged structure schematic diagram at the C of Fig. 3.
Fig. 7 is the schematic cross-sectional view of elastic cleat.
Fig. 8 is the structure diagram of flexible fastening piece.
In figure, 1, housing, 2, rotating disc, 3, test tube jack, 4, fixed plate, 5, connecting plate, 6, screw, the 7, second motor,
8th, movable block, 9, mandril, 10, hypanthium, 11, hold pipe cavity, 12, test tube by mouth, 13, openings, 14, groove, 15, /V
Slot, 16, elastic cleat, 17, flexible fastening piece, 18, hold elastic component cavity, 19, connection ring, 20, jacking block, 21, spring, 22, slow
Punching pad, 23, test tube；1601st, connecting portion, 1602, transition part, 1603, clamping section；1701st, left fixed part, 1702, right fixed part.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with new.
As shown in Fig. 1~Fig. 8, the utility model includes housing 1, is equipped with rotating disc 2 in housing 1,2 level of rotating disc is set
It puts, rotating disc 2 is driven by the first motor by rotation axis（It is not drawn into figure）, several test tubes are circumferentially with along it on rotating disc 2
Jack 3.Equipped with the fixed plate 4 being vertically arranged on the housing 1 of 2 one side of rotating disc, 4 the upper side and lower side of fixed plate is equipped with connecting plate
5, the fixed plate 4 between two connecting plates 5 is equipped with vertical slide（It is not drawn into figure）, the screw 6 being vertically arranged is connected with two
Plate 5 is flexibly connected, and one end of screw 6 is connected with the second motor 7 in fixed plate 4.Screw 6 is equipped with what is be matched therewith
Movable block 8,8 one side of movable block are slidably connected with slide.Movable block 8 is equipped with vertical mandril 9, and mandril 9 is equipped with hypanthium 10,
Hypanthium 10 is equipped with the appearance pipe cavity 11 being adapted with test tube 23, and the opening of appearance pipe cavity 11 is corresponding with any test tube jack 3, shell
1 top of body is equipped with the test tube that can stretch out test tube 23 and passes through mouth 12.In hypanthium 10 several examinations are equipped at intervals with along its circumferential side wall
Pipe clamping structure.Each test tube clamping structure includes the openings 13 positioned at 10 side wall of hypanthium, the hypanthium 10 of 13 top of openings
Lateral wall is equipped with groove 14, and one end of groove 14 is connected with openings 13, and groove is equipped with limiting slot 15, bullet on 14 two side
Property clamp bar 16 connecting portion 1601 and flexible fastening piece 17 stretch in two limiting slots 15 of groove 14, elastic cleat 16 includes connecting
Socket part 1601, transition part 1602 and clamping section 1603, the angle α between clamping section 1603 and connecting portion 1601 is acute angle, elastic
The clamping section 1603 of clamp bar 16 is stretched by openings 13 in the appearance pipe cavity 11 of hypanthium 10, the one side of flexible fastening piece 17 and bullet
The connecting portion 1601 of property clamp bar 16 abuts, and the opposite side of flexible fastening piece 17 is abutted with the outside of limiting slot 15.Flexible fastening piece
17 include left fixed part 1701 and right fixed part 1702, have angle β between left fixed part 1701 and right fixed part 1702.Hypanthium
10 lower parts, which are equipped with, holds elastic component cavity 18, and the side wall for holding 18 opening of elastic component cavity is equipped with internal thread, and connection ring 19 stretches into
Hold in elastic component cavity 18, the lateral wall of connection ring 19 be equipped with the matched external screw thread of internal thread, 9 upper end of mandril passes through company
The centre bore for connecing ring 19 is stretched into appearance elastic component cavity 18, and mandril 9 and the centre bore of connection ring 19 are slidably connected, 9 upper end of mandril
Equipped with coupled jacking block 20, jacking block 20 and appearance elastic component cavity are equipped with elastic component between 18 top.Elastic component is spring 21.
11 bottom of appearance pipe cavity of hypanthium 10 is equipped with cushion pad 22, and cushion pad 22 is rubber washer.First motor and the second motor 7 are step
Stepper motor or servomotor.Test tube is the arc-shaped mouth of the multiple test tube jacks 3 of covering by mouth 12.
In use, kjeldahl apparatus is fixed on 1 top of housing, make the injection port of kjeldahl apparatus and the appearance pipe of hypanthium 10
Cavity 11 is just corresponding.
During sample introduction, under the driving of the first motor, rotating disc 2 goes to appropriate position, and the second motor 7 drives 6 turns of screw
Dynamic, movable block 8 is moved up with hypanthium 10 along screw 6, thus will be in the 2 test tube jack 3 of rotating disc with 10 face of hypanthium
Test tube 23 lift, the test tube 23 of lifting is made to be connected with the injection port of kjeldahl apparatus；At the end of sample introduction, the second motor 7 drives
Screw 6 rotates, and movable block 8 is moved down with hypanthium 10 along screw 6, so as to which the test tube 23 in hypanthium 10 be moved down, until
The test tube 23 is dropped back into again in the test tube jack 3 of rotating disc 2；Then the first motor drives rotating disc 2 to go to next station, according to
It is secondary to repeat the above steps, automatic sampling is so just realized, replaces sample automatically, alleviates the labor intensity of experimenter, pole
Big improves work efficiency.
The clamping section 1603 of elastic cleat 16 can be clamped into the test tube 23 in hypanthium 10, can make test tube 23 in movement
During keep verticality, be conducive to the progress of sample introduction；Elastic cleat 16 is fixed by the flexible deformation of flexible fastening piece 17
In in the limiting slot 15 on groove 14, convenient for the installation and replacement of elastic cleat 16.
Mandril 9 and the centre bore of connection ring 19 are slidably connected, and 9 upper end of mandril is equipped with coupled jacking block 20, jacking block 20
It, can be right when test tube 23 is connected with the injection port of kjeldahl apparatus with being equipped with elastic component between holding at the top of elastic component cavity 18
Test tube 23 applies certain pretightning force, can so ensure the gas that test tube 23 is connected with the injection port of kjeldahl apparatus in sample introduction
Close property.
The cushion pad 22 for holding 11 bottom of pipe cavity and setting of hypanthium 10, has cushioning effect, being conducive to can in sample introduction
Ensure the air-tightness that test tube 23 is connected with the injection port of kjeldahl apparatus.
Test tube, to cover the arc-shaped mouth of multiple test tube jacks 3, is so conducive to the placement of test tube 23 and looked by mouth 12
It sees.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or conversion made to the utility model embodiment all fall within the guarantor of the utility model
In the range of shield.
Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (9)
1. a kind of sampling device for kjeldahl apparatus, it is characterised in that：Including housing, rotating disc is equipped in housing, is rotated
Disk is horizontally disposed with, and rotating disc is driven by the first motor by rotation axis, and several test tube jacks are circumferentially with along it on rotating disc, is turned
Equipped with the fixed plate that is vertically arranged on the housing of Moving plate one side, fixed plate the upper side and lower side is equipped with connecting plate, two connecting plates it
Between fixed plate be equipped with vertical slide, the screw being vertically arranged is flexibly connected with two connecting plates, and one end of screw is with being located at
The second motor in fixed plate is connected, and screw is equipped with the movable block being matched therewith, and movable block one side is slidably connected with slide,
Movable block is equipped with vertical mandril, and mandril is equipped with hypanthium, and hypanthium is equipped with the appearance pipe cavity being adapted with test tube, holds pipe cavity
Opening it is corresponding with any test tube jack, case top be equipped with can make test tube stretch out test tube pass through mouth.
2. a kind of sampling device for kjeldahl apparatus according to claim 1, it is characterised in that：Along its week in hypanthium
Several test tube clamping structures are equipped with to sidewall spacers；Each test tube clamping structure includes the openings positioned at hypanthium side wall, perforation
Hypanthium lateral wall above mouthful is equipped with groove, and one end of groove is connected with openings, and groove is equipped with limiting slot on two side,
The connecting portion of elastic cleat is stretched to flexible fastening piece in two limiting slots of groove, and elastic cleat includes connecting portion, transition part
And clamping section, the angle α between clamping section and connecting portion is acute angle, and hypanthium is stretched into the clamping section of elastic cleat by openings
Hold in pipe cavity, the one side of flexible fastening piece is abutted with the connecting portion of elastic cleat, the opposite side and limiting slot of flexible fastening piece
Outside abut.
3. a kind of sampling device for kjeldahl apparatus according to claim 2, it is characterised in that：The flexible fastening
Piece includes left fixed part and right fixed part, has angle β between left fixed part and right fixed part.
4. a kind of sampling device for kjeldahl apparatus according to claim 1, it is characterised in that：The hypanthium lower part
Equipped with elastic component cavity is held, the side wall for holding elastic component cavity opening is equipped with internal thread, and connection ring, which stretches into, holds elastic component cavity
It is interior, the lateral wall of connection ring be equipped with the matched external screw thread of internal thread, mandril upper end is stretched by the centre bore of connection ring
Hold elastic component cavity in, the centre bore of mandril and connection ring is slidably connected, mandril upper end be equipped with coupled jacking block, jacking block with
Elastic component is equipped between holding at the top of elastic component cavity.
5. a kind of sampling device for kjeldahl apparatus according to claim 4, it is characterised in that：The elastic component is
Spring.
6. a kind of sampling device for kjeldahl apparatus according to claim 1, it is characterised in that：The appearance of the hypanthium
Pipe cavity bottom is equipped with cushion pad.
7. a kind of sampling device for kjeldahl apparatus according to claim 6, it is characterised in that：The cushion pad is
Rubber washer.
8. a kind of sampling device for kjeldahl apparatus according to claim 1, it is characterised in that：First motor and
Two motors are stepper motor or servomotor.
9. a kind of sampling device for kjeldahl apparatus according to claim 1, it is characterised in that：The test tube passes through
Mouth is the arc-shaped mouth for covering multiple test tube jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562960.2U CN207440109U (en) | 2017-11-21 | 2017-11-21 | A kind of sampling device for kjeldahl apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562960.2U CN207440109U (en) | 2017-11-21 | 2017-11-21 | A kind of sampling device for kjeldahl apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440109U true CN207440109U (en) | 2018-06-01 |
Family
ID=62287069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562960.2U Expired - Fee Related CN207440109U (en) | 2017-11-21 | 2017-11-21 | A kind of sampling device for kjeldahl apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146919A (en) * | 2020-08-31 | 2020-12-29 | 王艺烨 | Sampling equipment for polluted soil regeneration |
-
2017
- 2017-11-21 CN CN201721562960.2U patent/CN207440109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146919A (en) * | 2020-08-31 | 2020-12-29 | 王艺烨 | Sampling equipment for polluted soil regeneration |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20191121 |