CN220111858U - Automatic cleaning device for evaporative light scattering detector - Google Patents
Automatic cleaning device for evaporative light scattering detector Download PDFInfo
- Publication number
- CN220111858U CN220111858U CN202321013991.8U CN202321013991U CN220111858U CN 220111858 U CN220111858 U CN 220111858U CN 202321013991 U CN202321013991 U CN 202321013991U CN 220111858 U CN220111858 U CN 220111858U
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- China
- Prior art keywords
- sleeve
- wall
- electric telescopic
- light scattering
- scattering detector
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- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 238000000105 evaporative light scattering detection Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000001704 evaporation Methods 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000000149 argon plasma sintering Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model provides an automatic cleaning device for an evaporative light scattering detector, which comprises an electric telescopic mechanism, a wiping barrel and a spray head, wherein a liquid supply channel is arranged in the electric telescopic mechanism, the wiping barrel is sleeved in the middle of the electric telescopic mechanism, wiping cotton is arranged on the outer wall of the wiping barrel, when the electric telescopic mechanism stretches into an evaporation tube of the evaporative light scattering detector, the wiping cotton is contacted with the inner wall of the evaporation tube, the spray head is fixed at the front end of the electric telescopic mechanism, the spray head is communicated with the liquid supply channel, the liquid supply channel is connected with a liquid conveying tube, and a third valve is arranged on the liquid conveying tube. The utility model has the beneficial effects of reasonable structural design, convenient disassembly and good cleaning effect.
Description
Technical Field
The utility model relates to an automatic cleaning device for an evaporative light scattering detector.
Background
The evaporative light scattering detector, as a general-purpose detector, is increasingly used in the fields of medicines, foods, environments, chemical industry and the like. However, the cleaning and maintenance of the device are difficult, parts such as a cover plate, an atomizer, a tail pipe and the like are required to be disassembled, the operation is complex, and the efficiency is low.
Disclosure of Invention
The utility model aims to solve the problem of providing an automatic cleaning device for an evaporative light scattering detector, which overcomes the defects in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an evaporation light scattering detector self-cleaning device, includes electric telescopic machanism, cleans bucket and shower nozzle, have the liquid feed passageway in the electric telescopic machanism, it locates to clean the bucket cover electric telescopic machanism middle part, it cleans cotton to have on the outer wall of bucket, works as electric telescopic machanism stretches into during evaporation light scattering detector's evaporation intraductal, clean cotton with evaporation tube's inner wall contact, the shower nozzle is fixed in electric telescopic machanism's front end, the shower nozzle with liquid feed passageway intercommunication, liquid feed passageway connects and send the liquid pipe, send to have the third valve on the liquid pipe.
Optionally, the electric telescopic mechanism comprises an inner sleeve, an inner thread sleeve and an outer sleeve, the tail end of the inner sleeve is connected with the liquid feeding pipe, an external thread is arranged on the outer wall of the inner sleeve, and an axial guide groove parallel to the axis of the outer sleeve is arranged on the outer wall of the inner sleeve;
the wiping barrel, the internal thread sleeve and the outer sleeve are sleeved on the inner sleeve, guide sliding blocks matched with the axial guide grooves are arranged on the inner wall of the barrel bottom center of the wiping barrel and the inner wall of the outer sleeve, and the wiping barrel and the outer sleeve are in sliding connection with the inner sleeve along the axis;
the two ends of the internal thread sleeve are respectively provided with a shaft sleeve, the internal thread sleeve is respectively and rotatably connected with a connecting sleeve at the center of the barrel bottom of the wiping barrel and the outer sleeve, the outer wall of the internal thread sleeve is provided with transmission teeth, the barrel bottom of the wiping barrel is provided with a motor, an output shaft of the motor is connected with a transmission gear, and the transmission gear is meshed with the transmission teeth;
the liquid supply channel penetrates through the inner sleeve, the outer sleeve and the spray head.
Optionally, the nozzle is inserted into the end of the outer sleeve.
Optionally, the end of the inner sleeve extending into the outer sleeve and the nozzle are provided with connectors, and the connectors on the inner sleeve and the connectors in the nozzle are connected through a rubber hose.
Optionally, still overlap on the interior sleeve pipe and establish the holder, the holder is close to interior sleeve pipe's tail end, have on interior sleeve pipe's the outer wall and be used for spacing the annular of holder, the holder includes central lantern ring and two horizontal poles of relative setting, the center lantern ring cover is located in the annular, the horizontal pole with interior sleeve pipe's axis is perpendicular, cup joint the ejector pin in the horizontal pole, have in the horizontal pole with the spring of the tip conflict of ejector pin, the one end of ejector pin stretches out outside the horizontal pole, the tip of ejector pin can be in under the spring effect with evaporating pipe inner wall conflict.
Optionally, a sliding groove is formed in the outer wall of the cross rod, a poking rod penetrating through the sliding groove is arranged on the side wall of the ejector rod, and the poking rod can slide along the sliding groove.
Optionally, a rubber head is arranged at one end of the ejector rod extending out of the cross rod.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, the cleaning device is reasonable in structural design, convenient to detach and good in cleaning effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the cleaning unit;
FIG. 3 is a schematic view of the internal structure of FIG. 2;
FIG. 4 is a schematic view of a liquid supply tube;
FIG. 5 is a schematic view of the bottom structure of the wiping tank;
FIG. 6 is a schematic view of a cage construction;
in the figure: 1. an evaporation tube; 2. an atomizer; 3. a liquid chromatograph; 4. a waste liquid bottle; 5. a liquid feeding pipe; 6. a liquid inlet pipe; 7. a first valve; 8. a second valve; 9. a third valve; 10. a waste liquid return pipe; 11. wiping the barrel; 11-1, wiping the bottom of the barrel; 12. an electric telescopic mechanism; 12-1, an inner sleeve; 12-2, a rubber hose; 12-3, external threads; 12-4, an axial guide groove; 12-5, a transmission gear; 12-6, a motor; 12-7, an outer sleeve; 12-8, an internal thread sleeve; 12-9, connecting the sleeve; 12-10, guiding sliding blocks; 13. a spray head; 14. a cross bar; 14-1, a mandril; 14-2, a chute; 14-3, a toggle rod; 15. an air generator connection tube; 16-exhaust pipe.
Detailed Description
The present utility model will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, the utility model provides an automatic cleaning device for an evaporative light scattering detector, which comprises an electric telescopic mechanism, a wiping barrel 11 and a spray head 13, wherein a liquid supply channel is arranged in the electric telescopic mechanism, the wiping barrel 11 is sleeved in the middle of the electric telescopic mechanism, wiping cotton is arranged on the outer wall of the wiping barrel 11, when the electric telescopic mechanism stretches into an evaporation tube 1 of the evaporative light scattering detector, the wiping cotton is contacted with the inner wall of the evaporation tube 1, the spray head 13 is fixed at the front end of the electric telescopic mechanism, the spray head 13 is communicated with the liquid supply channel, the liquid supply channel is connected with a liquid conveying tube 5, and a third valve 9 is arranged on the liquid conveying tube 5.
When the structure is used, the liquid conveying pipe 5 is communicated with a pipeline connected with the high-performance liquid chromatograph 3 on the evaporative light scattering detector by the three-way connecting pipe, the tail pipe is pulled out, the tail end of the electric telescopic mechanism is held, the electric telescopic mechanism is conveyed into the evaporating pipe 1, the air generator connecting pipe 15 on the evaporating pipe 1 is utilized to introduce air into the evaporating pipe 1, the third valve 9 and the second valve on the waste liquid return pipe 10 are opened, the first valve 7 on the pipeline of the high-performance liquid chromatograph 3 and the detector is closed, the conveying pump and the electric telescopic mechanism in the high-performance liquid chromatograph 3 are simultaneously opened, the mobile phase is conveyed into the liquid supply channel by the conveying pump in the high-performance liquid chromatograph 3, the washing liquid is sprayed onto the pipe wall of the evaporating pipe 1 from the spray head 13, the wiping barrel 11 is enabled to move back and forth in the evaporating pipe 1 by the telescopic action of the electric telescopic mechanism, the cleaned sewage flows into the waste liquid bottle 4 through the waste liquid 10, and the waste liquid bottle 4 is provided with the wiping cotton 16 for discharging waste gas.
As shown in fig. 2 and 4, this embodiment provides a specific structure of an electric telescopic mechanism, which comprises an inner sleeve 12-1, an inner thread sleeve 12-8 and an outer sleeve 12-7, wherein the tail end of the inner sleeve 12-1 is connected with a liquid feeding pipe 5, an outer thread 12-3 is arranged on the outer wall of the inner sleeve 12-1, and an axial guide groove 12-4 parallel to the axis of the outer sleeve 12-7 is arranged on the outer wall of the inner sleeve 12-1;
the wiping barrel 11, the internal thread sleeve 12-8 and the external sleeve 12-7 are sleeved on the internal sleeve 12-1, the central inner wall of the barrel bottom 11-1 of the wiping barrel and the inner wall of the external sleeve 12-7 are respectively provided with a guide slide block 12-10 which is matched with the axial guide groove 12-4, and the wiping barrel 11 and the external sleeve 12-7 are respectively connected with the internal sleeve 12-1 in a sliding way along the axis;
the two ends of the internal thread sleeve 12-8 are respectively provided with a shaft sleeve, the internal thread sleeve 12-8 is respectively and rotatably connected with a connecting sleeve 12-9 and an outer sleeve 12-7 in the center of the wiping barrel 11, the outer wall of the internal thread sleeve 12-8 is provided with transmission teeth, the barrel bottom 11-1 of the wiping barrel is provided with a motor 12-6, an output shaft of the motor 12-6 is connected with a transmission gear 12-5, and the transmission gear 12-5 is meshed with the transmission teeth;
the liquid supply channel penetrates through the inner sleeve 12-1, the outer sleeve 12-7 and the spray head 13.
The nozzle 13 is inserted into the end of the outer sleeve 12-7.
In the electric telescopic mechanism, the starting motor 12-6 drives the transmission gear 12-5 to rotate, the rotation of the transmission gear 12-5 drives the internal thread sleeve 12-8 to rotate, and as the threads in the internal thread sleeve 12-8 are matched with the external threads 12-3 on the outer wall of the inner sleeve 12-1, the internal thread sleeve 12-8 rotates to drive the wiping barrel 11 and the outer sleeve 12-7 to slide along the axial direction of the inner sleeve 12-1 together, so that the automatic telescopic effect is realized.
In order to ensure the tightness of the water supply channel in the electric telescopic mechanism, as shown in fig. 3, the end of the inner sleeve 12-1 extending into the outer sleeve 12-7 and the nozzle 13 are respectively provided with a joint, and the joints on the inner sleeve 12-1 and the joints in the nozzle 13 are connected through a rubber hose 12-2.
When the structure is used, the tail end of the electric telescopic mechanism is needed to be manually held by hand, a certain supporting force is kept on the tail end, the effect that the retainer replaces manual holding is designed in the embodiment, as shown in fig. 5, the retainer is arranged on the inner sleeve 12-1, an annular groove for limiting the retainer is formed in the outer wall of the inner sleeve 12-1, the retainer comprises a central lantern ring and two oppositely arranged cross rods 14, the central lantern ring is sleeved in the annular groove, the cross rods 14 are perpendicular to the axis of the inner sleeve 12-1, the top rods 14-1 are sleeved in the cross rods 14, springs which are in contact with the end parts of the top rods 14-1 are arranged in the cross rods 14, one end of each top rod 14-1 extends out of the cross rods 14, and the end parts of the top rods 14-1 can be in contact with the inner wall of the evaporation tube 1 under the action of the springs. When in use, the electric telescopic mechanism is stretched into the evaporation tube 1, and the ejector rod 14-1 is propped against the inner wall of the evaporation tube 1, so that the electric telescopic mechanism is fixed in the evaporation tube 1.
The outer wall of the cross bar 14 is provided with a chute 14-2, the side wall of the ejector rod 14-1 is provided with a poking rod 14-3 penetrating through the chute 14-2, and the poking rod 14-3 can slide along the chute 14-2.
The end of the ejector rod 14-1 extending outside the cross rod 14 is provided with a rubber head. The arrangement of the rubber head avoids sliding damage to the inner wall of the evaporation tube 1.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. Automatic cleaning device for evaporative light scattering detector, characterized in that: including electric telescopic machanism, clean bucket and shower nozzle, have the liquid feed passageway in the electric telescopic machanism, it locates to clean the bucket cover electric telescopic machanism middle part, it wipes cotton to have on the outer wall of bucket, works as electric telescopic machanism stretches into in the evaporating pipe of evaporating light scattering detector, wipe cotton with the inner wall contact of evaporating pipe, the shower nozzle is fixed in electric telescopic machanism's front end, the shower nozzle with liquid feed passageway intercommunication, liquid feed passageway connects the liquid delivery pipe, have the third valve on the liquid delivery pipe.
2. The evaporative light scattering detector automatic cleaning device as defined in claim 1, wherein: the electric telescopic mechanism comprises an inner sleeve, an inner thread sleeve and an outer sleeve, the tail end of the inner sleeve is connected with the liquid feeding pipe, an outer thread is arranged on the outer wall of the inner sleeve, and an axial guide groove parallel to the axis of the outer sleeve is arranged on the outer wall of the inner sleeve;
the wiping barrel, the internal thread sleeve and the outer sleeve are sleeved on the inner sleeve, guide sliding blocks matched with the axial guide grooves are arranged on the inner wall of a barrel bottom central hole of the wiping barrel and the inner wall of the outer sleeve, and the wiping barrel and the outer sleeve are connected with the inner sleeve in a sliding manner along the axis;
the two ends of the internal thread sleeve are respectively provided with a shaft sleeve, the internal thread sleeve is respectively and rotatably connected with a connecting sleeve at the center of the barrel bottom of the wiping barrel and the outer sleeve, the outer wall of the internal thread sleeve is provided with transmission teeth, the barrel bottom of the wiping barrel is provided with a motor, an output shaft of the motor is connected with a transmission gear, and the transmission gear is meshed with the transmission teeth;
the liquid supply channel penetrates through the inner sleeve, the outer sleeve and the spray head.
3. The evaporative light scattering detector automatic cleaning device according to claim 2, wherein: the spray head is mutually spliced with the end part of the outer sleeve.
4. An evaporative light scattering detector automatic cleaning device according to claim 2 or 3, wherein: the inner sleeve is provided with a connector at one end extending into the outer sleeve and the nozzle, and the connector on the inner sleeve is connected with the connector in the nozzle through a rubber hose.
5. The evaporative light scattering detector automatic cleaning device as defined in claim 4, wherein: the inner sleeve is further sleeved with a retainer, the retainer is close to the tail end of the inner sleeve, the outer wall of the inner sleeve is provided with a ring groove used for limiting the retainer, the retainer comprises a central lantern ring and two oppositely arranged cross rods, the central lantern ring is sleeved in the ring groove, the cross rods are perpendicular to the axis of the inner sleeve, the cross rods are sleeved with ejector rods, springs which are in contact with the end parts of the ejector rods are arranged in the cross rods, one ends of the ejector rods extend out of the cross rods, and the end parts of the ejector rods can be in contact with the inner walls of the evaporating pipes under the action of the springs.
6. The evaporative light scattering detector automatic cleaning device as defined in claim 5, wherein: the outer wall of the cross rod is provided with a sliding groove, the side wall of the ejector rod is provided with a poking rod penetrating through the sliding groove, and the poking rod can slide along the sliding groove.
7. The evaporative light scattering detector automatic cleaning device as defined in claim 6, wherein: one end of the ejector rod extending out of the cross rod is provided with a rubber head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013991.8U CN220111858U (en) | 2023-04-28 | 2023-04-28 | Automatic cleaning device for evaporative light scattering detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013991.8U CN220111858U (en) | 2023-04-28 | 2023-04-28 | Automatic cleaning device for evaporative light scattering detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220111858U true CN220111858U (en) | 2023-12-01 |
Family
ID=88890105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321013991.8U Active CN220111858U (en) | 2023-04-28 | 2023-04-28 | Automatic cleaning device for evaporative light scattering detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220111858U (en) |
-
2023
- 2023-04-28 CN CN202321013991.8U patent/CN220111858U/en active Active
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