CN218114073U - Laboratory powder measuring device - Google Patents
Laboratory powder measuring device Download PDFInfo
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- CN218114073U CN218114073U CN202222706813.5U CN202222706813U CN218114073U CN 218114073 U CN218114073 U CN 218114073U CN 202222706813 U CN202222706813 U CN 202222706813U CN 218114073 U CN218114073 U CN 218114073U
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Abstract
The utility model belongs to the technical field of laboratory sample measurement, a device is got to laboratory powder volume is related to, include powder memory, powder quality control ware and go out the powder pipe, the play powder mouth of powder memory communicates in powder quality control ware's the powder mouth that advances, powder quality control ware's play powder mouth communicates in a powder pipe, powder quality control ware is provided with into powder control valve near the one end of advancing the powder mouth, powder quality control ware is provided with out the powder control valve near the one end that goes out the powder mouth, has fast, get the effect that is used for dispersion solid phase extraction pretreatment trace powder in batches.
Description
Technical Field
The application relates to the technical field of laboratory sample measurement, in particular to a laboratory powder measuring device.
Background
The pretreatment of the dispersed solid phase extraction needs to use powder, especially various trace powder. At present, the laboratory commonly uses analytical balance volume to get these powders, uses analytical balance volume to get the used minim powder of dispersed solid phase extraction pretreatment, often needs to weigh many times just can acquire the powder of target mass, if need get the powder in batches and can consume a large amount of manpowers and time to analytical balance volume has the requirement to ambient temperature, humidity and wind speed etc. of using, uses analytical balance volume to get minim powder in the laboratory fume hood and has the difficulty.
Therefore, with respect to the above-described related art, the inventors consider that it takes time and labor for the analytical balance to measure the powder.
SUMMERY OF THE UTILITY MODEL
In order to realize fast, get in batches and be used for dispersing the micro powder of solid phase extraction pretreatment, this application provides a device is got to laboratory powder volume.
The technical problem to be solved by the application is realized by adopting the following technical scheme:
the utility model provides a device is got to laboratory powder volume, includes powder memory, powder quality control ware and goes out the powder pipe, the play powder mouth of powder memory communicates in powder quality control ware's the powder mouth that advances, powder quality control ware's the powder mouth that goes out communicates in a powder pipe, the one end that powder quality control ware is close to the powder mouth is provided with into powder control valve, the one end that powder quality control ware is close to the powder mouth is provided with out the powder control valve.
Through the technical scheme, the powder storage is used for sealing and storing the powder, the powder quality controller is used for measuring the powder with the quality required by the experiment according to the requirement of the actual situation, the powder outlet guide pipe is used for guiding the powder to flow into the target container, the powder inlet control valve is used for controlling whether the channel of the powder inlet control valve is opened or not, the powder outlet control valve is used for controlling whether the channel of the powder outlet control valve is opened or not, and the powder quality measured each time is controlled to be equal by controlling the opening states of the powder inlet control valve and the powder outlet control valve, so that the effect of quickly and massively measuring the trace powder for the dispersed solid-phase extraction pretreatment is realized.
Optionally, the powder quality controller includes a powder inlet pipe, a powder measuring pipe and a powder outlet pipe, one end of the powder inlet pipe is fixedly connected and communicated with the powder measuring pipe, one end of the powder outlet pipe is fixedly connected and communicated with the powder measuring pipe, one end of the powder measuring pipe close to the powder inlet is provided with a powder inlet control valve, and one end of the powder measuring pipe close to the powder outlet is provided with a powder outlet control valve.
Through the technical scheme, the powder quality controller comprises the powder inlet pipe, the powder measuring pipe and the powder outlet pipe, one end of the powder measuring pipe, which is close to the powder inlet pipe, is provided with the powder inlet control valve, the powder inlet control valve can control whether powder enters the powder measuring pipe from the powder inlet pipe, one end of the powder measuring pipe, which is close to the powder outlet pipe, is provided with the powder outlet control valve, the powder outlet control valve can control whether powder flows out of the powder measuring pipe from the powder measuring pipe, the powder measuring pipe is used for forming a cavity with a fixed volume between the powder inlet control valve and the powder outlet control valve, and the cavity is used for measuring the powder with the fixed volume, so that the powder with required quality is obtained.
Optionally, the powder inlet control valve and the powder outlet control valve are gate valves.
Through above-mentioned technical scheme, it is the gate valve to advance the powder control valve and go out the powder control valve, and gate valve simple structure has and opens and close two kinds of states, can improve the controllability and the leakproofness of device.
Optionally, it includes into powder flashboard, powder inlet valve rod and powder inlet valve cap to advance the powder control valve, the one end fixed connection of powder inlet valve rod advances one side of powder flashboard, the other end fixed connection who advances the powder valve rod advances the powder valve cap.
Through above-mentioned technical scheme, the one end fixed connection of advancing the powder valve rod advances one side of powder flashboard, and other end fixed connection advances powder valve cap, is convenient for advance the position of powder flashboard through the push-and-pull valve cap in order to remove to reach the effect of opening or closing into powder control valve.
Optionally, the inner wall of the powder measuring pipe is provided with an annular powder inlet valve groove, one end of the powder measuring pipe is fixedly connected with a powder inlet fixing frame, the powder inlet fixing frame is provided with a powder inlet guide groove, the powder inlet guide groove is opposite to and communicated with the powder inlet valve groove, the powder inlet guide groove is far away from a first filling block fixedly connected with one end of the powder measuring pipe, the first filling block is provided with a through hole, and the powder inlet valve rod penetrates through the through hole of the first filling block.
Through the technical scheme, when the powder inlet control valve is closed, the powder inlet flashboard can be embedded in the powder inlet valve groove, so that the sealing property between the powder inlet pipe and the powder measuring pipe is improved when the powder inlet control valve is closed; the powder inlet fixing frame is provided with a powder inlet guide groove, the powder inlet guide groove is opposite to and communicated with the powder inlet valve groove, a powder inlet flashboard is conveniently accommodated when the powder inlet control valve is opened, and meanwhile, the powder inlet guide groove is used for guiding the moving direction of the powder inlet valve plate; the first packing block can be used for providing support for the powder feeding valve rod, meanwhile, the sealing performance of the powder feeding control valve is improved, and the possibility of powder leakage is reduced.
Optionally, the powder inlet gate plate is embedded in the powder inlet valve groove, a gap is reserved between one surface of the powder inlet gate plate, which is close to the powder inlet pipe, and the side wall of the powder inlet valve groove, and one surface of the powder inlet gate plate, which is close to the powder outlet pipe, is abutted against the side wall of the powder inlet valve groove.
Through the technical scheme, the width of the powder inlet valve slot is larger than that of the powder inlet flashboard, so that the possibility that the powder inlet flashboard cannot be successfully inserted into the powder inlet valve slot due to manufacturing errors is reduced; when the powder inlet gate valve is closed, one surface of the powder inlet gate plate close to the powder outlet pipe is abutted against the side wall of the powder inlet valve groove, so that the communicating pipeline between the powder storage device and the powder quality controller is sealed through the powder inlet gate valve, and powder cannot flow into the powder measuring pipe from the powder storage device.
Optionally, the powder storage is detachably connected to the powder quality controller, and the powder quality controller is detachably connected to the powder outlet conduit.
Through above-mentioned technical scheme, powder memory, powder quality control ware and play powder pipe are three independent mechanisms, can dismantle to according to the quality of the required powder in laboratory, change different volumetric powder quality control ware, realize getting fast, in batches the powder of volume.
Optionally, the powder storage is in threaded connection with the powder quality controller, and the powder quality controller is in threaded connection with the powder outlet conduit.
Through above-mentioned technical scheme, threaded connection between powder memory and the powder quality control ware, between powder quality control ware and the play powder pipe makes the firm in connection nature between powder memory, powder quality control ware and the play powder pipe stronger, has improved the leakproofness of device.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the device comprises a powder quality controller, the volume of a powder measuring tube of the powder quality controller determines the quality of measured powder, the powder enters and leaves the powder measuring tube by controlling a powder inlet control valve and a powder outlet control valve, the quality of the measured powder is not required to be finely adjusted by manpower, and the micro powder for the pretreatment of the dispersed solid-phase extraction can be quickly measured in batches.
2. This device does not have special requirement to service environment's temperature, humidity and wind speed, gets the powder for analytical balance volume, and this device provides a sealed environment for getting the powder, and the work is got to the volume that testing personnel can accomplish trace powder in laboratory fume cupboard, does benefit to protection operating personnel, maintains the environment clean.
3. The device has simple structure, each mechanism is mutually independent, can adopt threads or accept connection, does not relate to an electronic element, does not need electric drive, and is convenient for preparation, transportation, assembly, unpicking, washing and storage.
4. The utility model discloses contain out the powder pipe, get the in-process and need not use disposable carriers such as weighing paper of getting, guide the directional centrifuging tube that shifts to dispersion solid phase extraction pretreatment usefulness of powder through gravity, can conveniently get trace powder in succession more, improve operating efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a laboratory powder measuring device according to this embodiment.
Fig. 2 is a sectional view of the powder quality controller in this embodiment.
Fig. 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 4 is a cross-sectional view of B-B in fig. 1.
Description of reference numerals:
1. a powder reservoir; 11. a bin cover; 12. a powder storage bin; 13. a connecting pipe; 2. a powder quality controller; 201. a powder inlet pipe; 202. a powder measuring tube; 203. a powder outlet pipe; 204. a powder inlet valve groove; 205. a powder inlet gate plate; 206. a powder inlet valve rod; 207. a powder feeding valve cap; 208. a powder feeding fixing frame; 2081. a powder feeding guide groove; 2082. a first filling block; 209. discharging the powder valve slot; 210. discharging a powder gate plate; 211. a powder outlet valve rod; 212. a powder outlet valve cap; 213. a powder outlet fixing frame; 2131. a powder discharging guide groove; 2132. a second filling block; 3. a powder outlet conduit.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses device is got to laboratory powder volume. The method is used for quickly measuring a trace amount of powder for the pretreatment of the dispersed solid-phase extraction in batches.
Referring to fig. 1, the present application provides a laboratory powder measuring device, which includes a powder storage 1, a powder quality controller 2, and a powder outlet conduit 3; powder storage 1 is used for storing the powder of waiting to measure the volume, and the powder outlet of powder storage 1 communicates in powder quality controller 2's the powder mouth that advances for powder quality controller 2 feed, and powder quality controller 2 is used for the volume to get the required powder quality of experiment, and the powder outlet of powder quality controller 2 links to each other with a powder outlet pipe 3, and a powder outlet pipe 3 guide powder leaves the device.
The powder quality controller 2 comprises a powder inlet pipe 201, a powder measuring pipe 202 and a powder outlet pipe 203, one end of the powder inlet pipe 201 is connected to the connecting pipe 13, the other end of the powder inlet pipe 201 is fixedly connected to one end of the powder measuring pipe 202, powder can flow into the powder measuring pipe 202 through the powder inlet pipe 201, the other end of the powder measuring pipe 202 is connected to the powder outlet pipe 203, the inner wall of the connecting end of the powder inlet pipe 201 is provided with an internal thread, and the connecting pipe 13 is provided with an external thread, so that the function of detachably and fixedly connecting the powder quality controller 2 to the powder storage 1 is realized; the connecting end of the powder outlet conduit 3 is provided with an external thread, and the inner wall of the connecting end of the powder outlet conduit 203 and the powder outlet conduit 3 is provided with an internal thread so as to realize the function of detachable fixed connection between the powder quality controller 2 and the powder outlet conduit 3; in other embodiments of the present application, the connection between the powder storage 1 and the powder quality controller 2 and between the powder quality controller 2 and the powder outlet conduit 3 may be designed as a detachable fixed connection structure such as a socket connection, a snap connection, etc. according to practical situations.
A powder inlet control valve is arranged at one end of the powder measuring tube 202 close to the powder inlet tube 201, and a powder outlet control valve is arranged at one end of the powder measuring tube 202 close to the powder outlet tube 203, so that a cavity with a fixed volume is formed between the powder inlet control valve and the powder outlet control valve by the powder measuring tube 202, and the quality of the measured powder is controlled; the cavity in the powder measuring tube 202 is cylindrical, in other embodiments of the present application, the cavity in the powder measuring tube 202 may also be in a shape of a right circular truncated cone, an inverted circular truncated cone, or a cylinder, etc., one powder measuring device may be equipped with a plurality of powder measuring tubes 202 having different volumes, and the volumes of the cavities in the powder measuring tubes 202 are 0.02 cubic centimeter, 0.05 cubic centimeter, 0.1 cubic centimeter, 0.2 cubic centimeter, 0.3 cubic centimeter, 0.4 cubic centimeter, 0.5 cubic centimeter, 0.6 cubic centimeter, 0.7 cubic centimeter, 0.8 cubic centimeter, 0.9 cubic centimeter, 1.0 cubic centimeter, 1.5 cubic centimeter, 2.0 cubic centimeter, etc., respectively, so as to select the mass of powder measured at a time according to actual needs.
Go out powder pipe 3 and be provided with the one end threaded connection of external screw thread and be provided with the one end of internal screw thread in going out powder pipe 203 inner wall, go out powder pipe 3 and be used for guiding the powder and get the device by fixed direction outflow powder volume.
Referring to fig. 2 and 3, the powder inlet control valve and the powder outlet control valve are gate valves, the powder inlet control valve includes a powder inlet gate plate 205, a powder inlet valve rod 206 and a powder inlet valve cap 207, one end of the powder inlet valve rod 206 is fixedly connected to the powder inlet valve cap 207, the other end of the powder inlet valve rod is fixedly connected to one side of the powder inlet valve plate, an annular powder inlet valve groove 204 is arranged on the inner wall of the powder measuring tube 202 near the powder inlet tube 201, the width of the powder inlet valve groove 204 in the length direction of the powder measuring tube 202 is greater than the thickness of the powder inlet gate plate 205, so as to reduce the possibility that the powder inlet gate plate 205 cannot be successfully inserted into the powder inlet valve groove 204 due to manufacturing errors; one side of the powder measuring tube 202 is fixedly connected with a powder inlet fixing frame 208, the powder inlet fixing frame 208 is provided with a powder inlet guide groove 2081, the powder inlet guide groove 2081 is opposite to and communicated with the powder inlet valve groove 204, and the notch of the powder inlet guide groove 2081 is large enough for the powder inlet shutter plate 205 to pass through, so that the powder inlet shutter plate 205 can be accommodated by the powder inlet guide groove 2081 when the powder inlet control valve is opened, and meanwhile, the moving path of the powder inlet shutter plate 205 is guided; the powder inlet valve rod 206 is arranged on the side wall of the powder inlet fixing frame 208 and the powder measuring tube 202 in a penetrating way through the powder inlet guide groove 2081.
The powder inlet control valve controls the opening and closing of the powder inlet valve plate 205 by pushing and pulling the powder inlet valve cap 207, the powder inlet valve cap 207 is pushed, the powder inlet valve plate 205 is embedded in the powder inlet valve groove 204, a gap is reserved between one surface of the powder inlet valve plate 205, which is close to the powder inlet pipe 201, and the side wall of the powder inlet valve plate 204, which is close to the powder outlet pipe 203 of the powder quality controller 2, and the side wall of the powder inlet valve groove 204 are abutted; when the powder inlet control valve is closed, the projection of the powder inlet shutter plate 205 in the direction perpendicular to the length direction of the powder quality controller 2 completely covers the powder flow passage between the powder inlet pipe 201 and the powder measuring pipe 202, so that the powder cannot flow into the powder measuring pipe 202 from the powder inlet pipe 201.
The powder inlet valve cap 207 is pulled to make the powder inlet valve disc 205 move horizontally towards the direction close to the powder inlet fixing frame 208, when one surface of the powder inlet valve disc 205 close to the powder outlet pipe 203 cannot abut against the side wall of the powder inlet valve groove 204, the powder inlet valve disc 205 cannot seal the flow pipeline of the powder measuring pipe 202, the powder inlet control valve is in an open state, and powder flows into the powder measuring pipe 202 from the powder inlet pipe 201.
Referring to fig. 2 and 4, the powder outlet control valve includes a powder outlet shutter 210, a powder outlet valve stem 211 and a powder outlet valve cap 212, one end of the powder outlet valve stem 211 is fixedly connected to the powder outlet valve cap 212, the other end of the powder outlet valve stem is fixedly connected to one side of a powder outlet valve plate, an annular powder outlet valve groove 209 is arranged on the inner wall of the powder measuring tube 202 and close to the powder outlet tube 203, the width of the powder outlet valve groove 209 in the length direction of the powder measuring tube 202 is greater than the thickness of the powder outlet shutter 210, so as to reduce the possibility that the powder outlet shutter 210 cannot be successfully inserted into the powder outlet valve groove 209 due to manufacturing errors, one side of the powder measuring tube 202 is fixedly connected with a powder outlet fixing frame 213, the powder outlet fixing frame 213 is provided with a powder outlet guide groove 2131, the powder outlet guide groove 2131 is arranged opposite to and communicated with the powder outlet valve groove 209, the size of the notch of the powder outlet guide groove 2131 is enough for the powder outlet shutter 210 to pass through, so as to facilitate accommodating the powder outlet guide the movement path of the powder outlet shutter 213210 when the powder outlet control valve is opened; the powder outlet valve rod 211 penetrates through the powder outlet fixing frame 213 and the side wall of the powder measuring tube 202 through the powder outlet guide groove 2131, and one surface of the powder outlet flashboard 210 close to the powder inlet tube 201 abuts against the side wall of the powder outlet valve groove 209; the powder outlet control valve controls the opening and closing of the powder outlet valve plate 210 by pushing and pulling the powder outlet valve cap 212, the powder outlet valve cap 212 is pushed, the powder outlet valve plate 210 is embedded in the powder outlet valve groove 209, and one surface of the powder outlet valve plate 210, which is close to the powder inlet pipe 201, is abutted against the side wall of the powder outlet valve groove 209; when the powder outlet control valve is closed, the projection of the powder outlet shutter 210 in the direction perpendicular to the length direction of the powder quality controller 2 completely covers the powder flow passage between the powder measuring tube 202 and the powder outlet tube 203, so that the powder cannot flow into the powder outlet tube 203 from the powder measuring tube 202.
The powder outlet valve cap 212 is pulled to make the powder outlet valve plate 210 move horizontally towards the direction close to the powder outlet fixing frame 213, when one surface of the powder outlet valve plate 210 close to the powder inlet pipe 201 cannot abut against the side wall of the powder outlet valve groove 209, the powder outlet valve plate 210 cannot seal the flowing pipeline of the powder measuring pipe 202, the powder outlet control valve is in an open state, and powder flows into the powder outlet guide pipe 3 from the powder measuring pipe 202.
Referring to fig. 3, the powder feeding fixing frame 208 is provided with a first filling block 2082, the first filling block 2082 is in a rectangular shape, the first filling block 2082 is embedded and fixedly connected in the powder feeding guide groove 2081, the first filling block 2082 is provided with a through hole, the powder feeding valve rod 206 is arranged in the through hole of the first filling block 2082 in a penetrating manner, the powder feeding valve rod 206 is conveniently supported, and meanwhile, the powder quality controller 2 is sealed; the first filling block 2082 is made of soft elastic material, and in this embodiment, the first filling block 2082 is made of rubber, so that the first filling block 2082 has better sealing performance on the powder feeding guide groove 2081.
Referring to fig. 4, the powder outlet fixing frame 213 is provided with a second filling block 2132, the second filling block 2132 is in a rectangular shape, the second filling block 2132 is embedded and fixedly connected in the powder outlet guide groove 2131, the second filling block 2132 is provided with a through hole, the powder outlet valve rod 211 penetrates through the through hole of the second filling block 2132, the powder outlet valve rod 211 is conveniently supported, and meanwhile, the powder quality controller 2 is sealed; the second filling block 2132 is made of soft elastic material, and in this embodiment, the second filling block 2132 is made of rubber, so that the second filling block 2132 has better sealing performance to the discharging guide groove 2131.
The utility model discloses a theory of operation and concrete use flow as follows:
1. the corresponding powder volume is determined according to the mass of the powder required to be measured and the density of the powder, and the powder quality controller 2 corresponding to the volume of the powder measuring tube 202 is selected.
2. After the tightness of the powder quality controller 2 is confirmed, the connection pipe 13 of the powder storage 1 is connected to the powder inlet pipe 201 of the powder quality controller 2, and the powder outlet pipe 203 of the powder quality controller 2 is connected to the powder outlet conduit 3.
3. And closing the powder outlet control valve.
4. The lid 11 of the powder storage 1 is opened, the powder required to be measured before the dispersed solid phase extraction is transferred to the powder storage 12, and the lid 11 is closed, taking note that the amount of the powder should not exceed the capacity of the powder storage 12.
5. The powder feed control valve is opened to feed the powder to be measured into the powder quality controller 2, and the powder measuring tube 202 is filled with the powder.
6. And closing the powder inlet control valve.
7. The powder outlet conduit 3 placed by the device extends into the orifice of a centrifuge tube used for the pretreatment of the dispersed solid phase extraction.
8. The powder discharge control valve is opened to completely transfer the powder in the powder measuring tube 202 to the centrifuge tube.
9. Repeating the steps 3 to 8, and adding the residual required powder into a centrifugal tube for the pretreatment of the dispersed solid-phase extraction.
10. After the removal of the powder is completed, the cap 11 is opened, and the powder remaining in the powder quality controller 2 is transferred to a centrifugal tube.
11. The device can be cleaned by a brush and a cleaning solution after being used, and can be stored after being dried.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a device is got to laboratory powder volume which characterized in that: including powder memory (1), powder quality control ware (2) and play powder pipe (3), the play powder mouth of powder memory (1) communicates in the powder inlet of powder quality control ware (2), the play powder mouth of powder quality control ware (2) communicates in play powder pipe (3), the one end that powder quality control ware (2) are close to into the powder mouth is provided with into powder control valve, the one end that powder quality control ware (2) are close to out the powder mouth is provided with out the powder control valve.
2. The laboratory powder measuring device according to claim 1, characterized in that: the powder quality controller (2) comprises a powder inlet pipe (201), a powder measuring pipe (202) and a powder outlet pipe (203), one end of the powder inlet pipe (201) is fixedly connected and communicated with the powder measuring pipe (202), one end of the powder outlet pipe (203) is fixedly connected and communicated with the powder measuring pipe (202), one end, close to a powder inlet, of the powder measuring pipe (202) is provided with a powder inlet control valve, and one end, close to a powder outlet, of the powder measuring pipe (202) is provided with a powder outlet control valve.
3. The laboratory powder measuring device according to claim 1, characterized in that: the powder inlet control valve and the powder outlet control valve are gate valves.
4. The laboratory powder measuring device according to claim 2, characterized in that: it includes into powder flashboard (205), advances powder valve rod (206) and advances powder valve cap (207) to advance the powder control valve, the one end fixed connection who advances powder valve rod (206) advances one side of powder flashboard (205), the other end fixed connection who advances powder valve rod (206) advances powder valve cap (207).
5. The laboratory powder measuring device according to claim 4, characterized in that: the powder measuring pipe is characterized in that an annular powder inlet valve groove (204) is formed in the inner wall of the powder measuring pipe (202), a powder inlet fixing frame (208) is fixedly connected to one end of the powder measuring pipe (202), a powder inlet guide groove (2081) is formed in the powder inlet fixing frame (208), the powder inlet guide groove (2081) is arranged right opposite to and communicated with the powder inlet valve groove (204), a first filling block (2082) is fixedly connected to one end of the powder inlet guide groove (2081) far away from the powder measuring pipe (202), a through hole is formed in the first filling block (2082), and a powder inlet valve rod (206) penetrates through the through hole of the first filling block (2082).
6. A laboratory powder measuring device according to claim 5, characterized in that: the powder inlet flashboard (205) is embedded in the powder inlet valve groove (204), a gap is reserved between one surface of the powder inlet flashboard (205) close to the powder inlet pipe (201) and the side wall of the powder inlet valve groove (204), and one surface of the powder inlet flashboard (205) close to the powder outlet pipe (203) is abutted against the side wall of the powder inlet valve groove (204).
7. The laboratory powder measuring device according to claim 1, characterized in that: the powder storage (1) is detachably connected to the powder quality controller (2), and the powder quality controller (2) is detachably connected to the powder outlet guide pipe (3).
8. The laboratory powder measuring device according to claim 7, characterized in that: the powder storage device (1) is in threaded connection with the powder quality controller (2), and the powder quality controller (2) is in threaded connection with the powder outlet guide pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222706813.5U CN218114073U (en) | 2022-10-13 | 2022-10-13 | Laboratory powder measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222706813.5U CN218114073U (en) | 2022-10-13 | 2022-10-13 | Laboratory powder measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218114073U true CN218114073U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222706813.5U Active CN218114073U (en) | 2022-10-13 | 2022-10-13 | Laboratory powder measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218114073U (en) |
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2022
- 2022-10-13 CN CN202222706813.5U patent/CN218114073U/en active Active
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