CN208459123U - A kind of nitrogen evaporator - Google Patents
A kind of nitrogen evaporator Download PDFInfo
- Publication number
- CN208459123U CN208459123U CN201821047816.XU CN201821047816U CN208459123U CN 208459123 U CN208459123 U CN 208459123U CN 201821047816 U CN201821047816 U CN 201821047816U CN 208459123 U CN208459123 U CN 208459123U
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- China
- Prior art keywords
- main support
- rack
- pin
- support
- handle
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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 discloses a kind of nitrogen evaporators, including rack, the bottom of rack is provided with water-bath heater, blowning installation is provided at the top of rack, blowning installation includes the main support and secondary support of rotation connection, main support is provided at least one blowing needle, and secondary support can be adjusted up and down with rack and be connect, and secondary support is provided with the first axle of connection main support and the limit assembly for limiting main support rotation.A kind of nitrogen evaporator of the utility model can rotate main support when installing blowing needle makes the movement of laboratory technician's installation blowing needle smooth freely to suitable angle, also laboratory technician is avoided to bend over, reduces labor intensity；Moreover, laboratory technician can both have been avoided hand from being insufflated needle and pricked according to when blowing needle with visual confirmation, it is also convenient for the position of identification blowing needle, avoids repeating to adjust, is particularly suitable for the case where single cuvette sample is concentrated.
Description
Technical field
The utility model relates to chemical analysis device more particularly to a kind of nitrogen evaporators.
Background technique
In the prior art, nitrogen evaporator is for making sample accelerate concentration.The structure of nitrogen evaporator includes rack, and the bottom of rack is set
It is equipped with water-bath heater, water-bath heater heats test tube, so that the moisture of sample evaporates in test tube.The top of rack is also
It is provided with blowning installation, nitrogen is blown into test tube, the air around sample on the one hand can be accelerated to flow, is steamed convenient for moisture
On the other hand hair utilizes the inertness of nitrogen, avoids sample oxidation.
To obtain better effect, it is also equipped with air-blowing needle on blowning installation, air-blowing needle protrudes into test tube, to reduce nitrogen
Usage amount.After completing sample concentration, it is also necessary to remove air-blowing needle, carry out cleaning cleaning.
However, needing to install from bottom to up when installation air-blowing needle, and the mounting hole for installing air-blowing needle is not easy to see
It arrives, this results in the operation of installation air-blowing needle inconvenient.
Utility model content
The utility model aims to solve the problem that above-mentioned mentioned technical problem, provides a kind of nitrogen evaporator, easy disassembly air-blowing needle.
The utility model is realized through the following technical scheme:
A kind of nitrogen evaporator, including rack, the bottom of rack are provided with water-bath heater, and air blowing dress is provided at the top of rack
It sets, blowning installation includes the main support and secondary support of rotation connection, and main support is provided at least one blowing needle, secondary support and machine
Frame can adjust connection up and down, and secondary support is provided with the first axle of connection main support and the limit group for limiting main support rotation
Part.
Preferably, limit assembly includes the first pin being slidably connected with secondary support, connect the first the first spring for selling one end,
First pin is connect backwards to one end of the first spring with main support, and main support is provided with the first limit of the end of the first pin of accommodating
Hole.
Further, first pin be arranged radially first handle, being provided on first handle makes the first pin and secondary support
The first knob that is fixed or unclamping.
Further, the first pin has been arranged radially first handle, and it is first recessed to be provided with accommodating first handle for secondary support
Slot, the side wall of the first groove are provided with the first recess portion of at least one accommodating first handle.
Further, main support is provided with index dial close to the side of secondary support, and the first limit hole is several, Ruo Gan
One limit hole is set on index dial, and several first limit holes are arranged around first axle.
Preferably, limit assembly includes that the second pin being slidably connected with secondary support and the second pin of driving are mobile towards rack side
Second spring, second pin be provided with abut rack first end, second pin be provided with the second end connecting with main support,
Main support is provided with the second limit hole of accommodating the second end, and the relief portion of accommodating first end is provided at the top of rack.
Further, main support also sets up the first sliding groove of accommodating first end, and first sliding groove is connected to the second limit hole,
The bottom wall of first sliding groove is obliquely installed, and the bottom wall of first sliding groove is along the direction close to the second limit hole far from secondary support.
Preferably, main support is provided with the first air flue of connection blowing needle, and first axle is provided with the of the first air flue of connection
Two air flues, are provided with sealing ring between first axle and main support.
Preferably, water-bath heater is provided with hot water storgae and rack for test tube, and rack for test tube includes the upper bracket for sliding up and down connection
And lower bracket, upper bracket be provided with accommodating test tube first through hole, lower bracket be provided with supporting test tube end the first bottom plate and
Second handle for promoting the first bottom plate, second handle are provided with the adjusting for adjusting lower bracket Yu upper bracket distance
Part.
Beneficial effect is: compared with prior art, a kind of nitrogen evaporator of the utility model is by there is blowning installation setting tool
The main support and secondary support mutually rotated, main support is for installing blowing needle, and secondary support is for connecting rack, so that blowing in installation
Main support can be rotated to the movement for making laboratory technician install blowing needle to suitable angle smooth freely when air tube, also avoid reality
The person of testing bends over, and reduces labor intensity；Moreover, laboratory technician can both avoid hand from being insufflated needle bundle according to when blowing needle with visual confirmation
It arrives, is also convenient for the position of identification blowing needle, avoid repeating to adjust, be particularly suitable for the feelings that single cuvette sample is concentrated
Condition.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used briefly describes.
Obviously, described attached drawing is a part of the embodiment of the utility model, rather than whole embodiments, this field
Technical staff without creative efforts, can also be obtained according to these attached drawings other design schemes and attached
Figure.
Fig. 1 is a kind of structural schematic diagram of nitrogen evaporator of the utility model；
Fig. 2 is the structural schematic diagram of first handle in the limit assembly of Fig. 1；
Fig. 3 is the structural schematic diagram of another embodiment of Fig. 2 first handle；
Fig. 4 is the further improved structural schematic diagram of limit assembly in Fig. 1；
Fig. 5 is the further improved structural schematic diagram of Fig. 4 limit assembly；
Fig. 6 is the structural schematic diagram of water-bath heater in Fig. 1.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.
Obviously, described embodiment is a part of the embodiment of the utility model, rather than whole embodiments, is based on
The embodiments of the present invention, those skilled in the art's other implementations obtained without creative efforts
Example, belongs to the protection scope of the utility model.
In addition, all connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing connection auxiliary, to form more preferably connection structure.Each technology in the utility model is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
As shown in Figure 1, a kind of nitrogen evaporator, including rack 1, the bottom of rack 1 are provided with water-bath heater 2, the top of rack 1
Portion is provided with blowning installation 3.
To solve the problems, such as that blowing needle installation is inconvenient, blowning installation 3 includes the main support 31 and secondary support 32 of rotation connection,
Main support 31 is provided at least one blowing needle, and secondary support 32 can be adjusted up and down with rack 1 and be connect, and secondary support 32 is provided with connection
The first axle 33 of main support 31 and the limit assembly 4 rotated for limiting main support 31.
The main support 31 and secondary support 32 that the present embodiment is mutually rotated by there is 3 setting tool of blowning installation, main support 31 are used
In installation blowing needle, secondary support 32 allows for connecting rack 1 and rotates main support 31 to suitable when installing blowing needle
Angle, make laboratory technician install blowing needle movement it is smooth freely, also laboratory technician is avoided to bend over, reduce labor intensity；Moreover, real
The person of testing can both have been avoided hand from being insufflated needle and pricked according to when blowing needle with visual confirmation, be also convenient for the position of identification blowing needle, avoided
It repeats to adjust, is particularly suitable for the case where single cuvette sample is concentrated.
For limit assembly 4, specifically, as shown in Figure 1, limit assembly 4 includes first to be slidably connected with secondary support 32
Pin 41, the first spring 42 for connecting 41 one end of the first pin, the first pin 41 are connect backwards to one end of the first spring 42 with main support 31,
Main support 31 is provided with the first limit hole 43 of the end of the first pin 41 of accommodating.
The first spring 42 is compressed, then makes the first pin 41 far from the first limit hole 43, main support 31 can relatively secondary branch
Frame 32 rotates, and facilitates installation blowing needle.
As shown in Fig. 2, for convenience of the first pin 41 of operation, the first pin 41 has been arranged radially first handle 44, first handle
The first knob 45 for making the first pin 41 fix or unclamp with secondary support 32 is provided on 44.
First knob 45 keeps the first pin 41 fixed with secondary support 32, can prevent the first pin 41 unexpected from the first limit hole 43
The problem of being detached from and main support 31 caused to rotate, blowing needle collision test tube occurs.
It is relatively time-consuming and cumbersome using the first knob 45, for convenience of operating, as shown in figure 3, secondary support 32 can be made to be arranged
There is the first groove 46 of accommodating first handle 44, the side wall of the first groove 46 is provided with the of at least one accommodating first handle 44
One recess portion 47.
Since laboratory technician's height has different and blowing needle length may also be inconsistent, it is adaption demand, can makes to lead
Bracket 31 turns to different angle.In this regard, as shown in figure 5, main support 31 can be made to be provided with point close to the side of secondary support 32
Scale 311, the first limit hole 43 are several, and several first limit holes 43 are set on index dial 311, several first limit holes
43 are arranged around first axle 33.
As shown in figure 4, for avoid blowing needle in vitro when main support 31 rotate, can make the limit assembly 4 include and pair
The second pin 5 and the second pin 5 of driving that bracket 32 the is slidably connected second spring 6 mobile towards 1 side of rack, the second pin 5 are provided with
The first end 51 of rack 1 is abutted, the second pin 5 is provided with the second end 52 connecting with main support 31, and main support 31 is provided with
The second limit hole 53 of the second end 52 is accommodated, the top of rack 1 is provided with the relief portion 11 of accommodating first end 51.
As long as that is, by blowning installation 3 promoted after, the second pin 5 can be extend into relief portion 11, in turn, 5 ability of the second pin
Deviate from out of second limit hole 53, main support 31 could rotate.
To enable the timely return of main support 31 to be smoothly inserted into test tube convenient for blowing needle in turn, as shown in figure 5,
Main support 31 can be made to also set up the first sliding groove 54 of accommodating first end 51, first sliding groove 54 is connected to the second limit hole 53,
The bottom wall of first sliding groove 54 is obliquely installed, and the bottom wall of first sliding groove 54 is along the direction close to the second limit hole 53 far from secondary support
32。
That is, the second pin 5 enters the second limit hole 53 along first sliding groove 54, it is convenient for 31 self-return of main support.
Cause tracheae to bend to avoid main support 31 from rotating, is blown as shown in Figure 1, main support 31 can be made to be provided with connection
First air flue of air tube, first axle 33 are provided with the second air flue of the first air flue of connection, set between first axle 33 and main support 31
It is equipped with sealing ring.
It is entered back into test tube that is, nitrogen enters main support 31 through first axle 33 subsequently into blowing needle.
For convenience of test tube is picked and placed, water-bath heater 2 is provided with hot water storgae and rack for test tube, as shown in fig. 6, rack for test tube includes upper
The upper bracket 21 and lower bracket 22 of lower slider connection, upper bracket 21 are provided with the first through hole 211 of accommodating test tube, and lower bracket 22 is set
It is equipped with the first bottom plate 221 of supporting test tube end and the second handle 222 for promoting the first bottom plate 221, second handle 222
It is provided with several adjustment portions of connection upper bracket 21.
Test tube is put into first through hole 211, the hot water of hot water storgae can be made to heat test tube.Promoting lower bracket 22 can be with
Convenient for taking out test tube, it can also make test tube is more to be as far as possible immersed in the water.Second handle 222 is provided with for adjusting lower bracket 22
With the regulating part 223 of 21 distance of upper bracket, the test tube of different length can be applicable to.
Regulating part 223 can be connected by modes such as screw thread, clampings.
Above embodiments are not limited to the technical solution of the embodiment itself, can be incorporated between embodiment new
Embodiment.Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (9)
1. a kind of nitrogen evaporator, including rack (1), the bottom of rack (1) are provided with water-bath heater (2), rack is set at the top of (1)
It is equipped with blowning installation (3), which is characterized in that blowning installation (3) includes the main support (31) and secondary support (32) of rotation connection, main
Bracket (31) is provided at least one blowing needle, and secondary support (32) can be adjusted up and down with rack (1) and be connect, secondary support (32) setting
There are the first axle (33) of connection main support (31) and the limit assembly (4) for limiting main support (31) rotation.
2. a kind of nitrogen evaporator according to claim 1, which is characterized in that the limit assembly (4) includes and secondary support
(32) the first spring (42) of the first pin (41), the first pin of connection (41) one end that are slidably connected, the first pin (41) is backwards to first
One end of spring (42) is connect with main support (31), and main support (31) is provided with the first limit of the end of the first pin (41) of accommodating
Hole (43).
3. a kind of nitrogen evaporator according to claim 2, which is characterized in that first pin (41) has been arranged radially first
Handle (44) is provided with the first knob for making that the first pin (41) and secondary support (32) are fixed or unclamp on first handle (44)
(45)。
4. a kind of nitrogen evaporator according to claim 2, which is characterized in that first pin (41) has been arranged radially first
Handle (44), secondary support (32) are provided with the first groove (46) of accommodating first handle (44), and the side wall of the first groove (46) is set
It is equipped with the first recess portion (47) of at least one accommodating first handle (44).
5. a kind of nitrogen evaporator according to claim 2, which is characterized in that the main support (31) is close to secondary support (32)
Side is provided with index dial (311), and the first limit hole (43) is several, and several first limit holes (43) are set to index dial
(311) on, several first limit holes (43) are arranged around first axle (33).
6. any a kind of nitrogen evaporator according to claim 1~5, which is characterized in that the limit assembly (4) includes and pair
The second pin (5) and the second pin (5) of driving that bracket (32) the is slidably connected second spring (6) mobile towards rack (1) side, second
Pin (5) is provided with the first end (51) for abutting rack (1), and the second pin (5) is provided with the second end connecting with main support (31)
Portion (52), main support (31) are provided with the second limit hole (53) of accommodating the second end (52), and rack is provided with appearance at the top of (1)
Set the relief portion (11) of first end (51).
7. a kind of nitrogen evaporator according to claim 6, which is characterized in that the main support (31) also sets up accommodating first end
The first sliding groove (54) in portion (51), first sliding groove (54) are connected to the second limit hole (53), the bottom wall inclination of first sliding groove (54)
Setting, the bottom wall of first sliding groove (54) is along the direction close to the second limit hole (53) far from secondary support (32).
8. a kind of nitrogen evaporator according to claim 1, which is characterized in that the main support (31) is provided with connection blowing needle
The first air flue, first axle (33) be provided with connection the first air flue the second air flue, between first axle (33) and main support (31)
It is provided with sealing ring.
9. a kind of nitrogen evaporator according to claim 1, which is characterized in that the water-bath heater (2) is provided with hot water storgae
And rack for test tube, rack for test tube include the upper bracket (21) and lower bracket (22) for sliding up and down connection, upper bracket (21) is provided with accommodating
The first through hole (211) of test tube, lower bracket (22) are provided with the first bottom plate (221) of supporting test tube end and are used for the first bottom
The second handle (222) that plate (221) is promoted, second handle (222) are provided with for adjusting lower bracket (22) and upper bracket (21)
The regulating part (223) of distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047816.XU CN208459123U (en) | 2018-07-03 | 2018-07-03 | A kind of nitrogen evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047816.XU CN208459123U (en) | 2018-07-03 | 2018-07-03 | A kind of nitrogen evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459123U true CN208459123U (en) | 2019-02-01 |
Family
ID=65171926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047816.XU Expired - Fee Related CN208459123U (en) | 2018-07-03 | 2018-07-03 | A kind of nitrogen evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924266A (en) * | 2020-12-25 | 2021-06-08 | 湖北鼎泰高科有限公司 | Column socket of solid-phase extraction nitrogen blowing concentrator and nitrogen blowing assembly |
-
2018
- 2018-07-03 CN CN201821047816.XU patent/CN208459123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924266A (en) * | 2020-12-25 | 2021-06-08 | 湖北鼎泰高科有限公司 | Column socket of solid-phase extraction nitrogen blowing concentrator and nitrogen blowing assembly |
| CN112924266B (en) * | 2020-12-25 | 2024-01-19 | 湖北鼎泰高科有限公司 | Column insert and nitrogen blowing assembly of solid phase extraction nitrogen blowing concentrator |
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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: 20190201 Termination date: 20190703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |