CN202676711U - Automatic sample-switching device - Google Patents
Automatic sample-switching device Download PDFInfo
- Publication number
- CN202676711U CN202676711U CN2012202171044U CN201220217104U CN202676711U CN 202676711 U CN202676711 U CN 202676711U CN 2012202171044 U CN2012202171044 U CN 2012202171044U CN 201220217104 U CN201220217104 U CN 201220217104U CN 202676711 U CN202676711 U CN 202676711U
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- China
- Prior art keywords
- automatic sample
- switch
- sample
- changing device
- switching device
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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 an automatic sample-switching device which comprises a hollow spherical casing. The automatic sample-switching device is characterized in that at least two sampling ports communicated with an inner cavity of the casing are arranged on the casing, a rotatably hemispherical switcher and a drive device driving the switcher to rotate around an axis of the switcher are arranged in the inner cavity of the casing, a sampling tube is arranged in the switcher, one end of the sampling tube can be connected with the sampling ports, and the other end of the sampling tube extends out along the rotation axis of the switcher to reach the exterior of the casing. Switching among multiple sampling ports is achieved by the automatic sample-switching device through a stepping motor, and sampling operation of multiple liquids or gases is achieved. The automatic sample-switching device has the advantages of simple structure, convenience in use, high efficiency and the like.
Description
Technical field
The utility model relates to a kind of sampler for environment measuring.
Background technology
At present, the mode that can only change manually for the sampling operation of a plurality of gases or fluid sample in the environmental monitoring.This mode although can process multiple emergency case, because the sampling time is long, needs the wait long period just to need to switch, and this can waste a large amount of human resources and time.
Summary of the invention
The utility model provides a kind of solution of the above problems, and a kind of automatic sample-changing device simple in structure, easy-to-use, efficient is provided.
The technical solution of the utility model provides a kind of automatic sample-changing device, it comprises the spherical housing of hollow, it is characterized in that: be provided with at least two sample taps that are communicated with described shell inner cavity on the described shell, be provided with rotatable hemispheric switch in the described shell inner cavity and drive described switch around the drive unit of himself axis rotation, one stopple coupon is set in the described switch, described stopple coupon one end can connect described sample tap, and the other end reaches the outside of described shell along the rotation of described switch.
Preferably, described drive unit is the stepper motor that is installed on the described outer casing inner wall, and the rotating shaft of described stepper motor connects described switch.
Preferably, be provided with spline on the described switch, be provided with in the rotating shaft of described stepper motor can with the spline of described spline coupling.
Preferably, described sample tap connects stopple coupon outward.
Automatic sample-changing device of the present utility model is by automatically being switched between a plurality of sample taps by stepper motor, thereby realizes the operation of taking a sample of plurality of liquid or gas.Automatic sample-changing device of the present utility model has the advantages such as simple in structure, easy-to-use, efficient.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of automatic sample-changing device of the present utility model;
Fig. 2 is the partial exploded view of shell;
Fig. 3 is the decomposing schematic representation of switch;
Fig. 4 is the overall schematic of automatic sample-changing device of the present utility model.
Embodiment
The below is described in further detail embodiment of the present utility model.
As shown in Figures 1 to 4, a kind of automatic sample-changing device of the present utility model comprises the spherical housing 10 of hollow, be provided with at least two sample taps (not shown) that are communicated with shell 10 inner chambers on the shell 10, sample tap connects stopple coupon 12 outward, and each stopple coupon 12 can connect respectively different sampling objects.
Be provided with rotatable hemispheric switch 14 in shell 10 inner chambers and drive switch 14 around the drive unit 16 of himself axis rotation.Drive unit 16 in the preferred embodiment of the present utility model is for being installed in the stepper motor 18 on shell 10 inwalls, and the rotating shaft of stepper motor 18 connects switch 14.Be provided with spline 20 on the switch 14, be provided with in the rotating shaft 22 of stepper motor 18 can with the spline 24 of spline 20 coupling.The modes such as motor-driven leading screw of the frequent usefulness of industry of also can sampling drive switch 14 rotations.
The switch 14 interior stopple coupons 12 that arrange, stopple coupon 12 1 ends can connect sample tap, and the other end reaches the outside of shell 10 along the rotation of switch 14, connect to detect or gathering-device.Thereby so just can pass through rotary cutting parallel operation 14 so that stopple coupon 12 1 ends connect different sample taps, thereby realize switching different sample objects.
Above embodiment only is the utility model a kind of embodiment wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. automatic sample-changing device, it comprises the spherical housing of hollow, it is characterized in that: be provided with at least two sample taps that are communicated with described shell inner cavity on the described shell, be provided with rotatable hemispheric switch in the described shell inner cavity and drive described switch around the drive unit of himself axis rotation, one stopple coupon is set in the described switch, described stopple coupon one end can connect described sample tap, and the other end reaches the outside of described shell along the rotation of described switch.
2. automatic sample-changing device according to claim 1, it is characterized in that: described drive unit is the stepper motor that is installed on the described outer casing inner wall, and the rotating shaft of described stepper motor connects described switch.
3. automatic sample-changing device according to claim 2 is characterized in that: be provided with spline on the described switch, be provided with in the rotating shaft of described stepper motor can with the spline of described spline coupling.
4. automatic sample-changing device according to claim 1, it is characterized in that: described sample tap connects stopple coupon outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202171044U CN202676711U (en) | 2012-05-15 | 2012-05-15 | Automatic sample-switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202171044U CN202676711U (en) | 2012-05-15 | 2012-05-15 | Automatic sample-switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676711U true CN202676711U (en) | 2013-01-16 |
Family
ID=47497610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202171044U Expired - Fee Related CN202676711U (en) | 2012-05-15 | 2012-05-15 | Automatic sample-switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650645A (en) * | 2012-05-15 | 2012-08-29 | 苏州国环环境检测有限公司 | Automatic sample replacing device |
-
2012
- 2012-05-15 CN CN2012202171044U patent/CN202676711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650645A (en) * | 2012-05-15 | 2012-08-29 | 苏州国环环境检测有限公司 | Automatic sample replacing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130116 Termination date: 20210515 |