CN112604915B - Post-repair device for removing dental plaque on surface of material in cabin of space station and using method - Google Patents
Post-repair device for removing dental plaque on surface of material in cabin of space station and using method Download PDFInfo
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- CN112604915B CN112604915B CN202011457523.0A CN202011457523A CN112604915B CN 112604915 B CN112604915 B CN 112604915B CN 202011457523 A CN202011457523 A CN 202011457523A CN 112604915 B CN112604915 B CN 112604915B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/002—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/10—Hand tools for removing partially or for spreading or redistributing applied liquids or other fluent materials, e.g. colour touchers
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Abstract
The invention discloses a post-repair device for removing dental plaque on the surface of a material in a cabin of a space station and a use method thereof, relating to the technical field of cabin inner surface repair and comprising a liquid storage bag, a sample injector and a brush head; the liquid outlet of the liquid storage bag is communicated with the inlet of the sample injector, and the brush head is arranged at the front end of the sample injector. The equipment is small and portable, the operation is simple, and the repair after the plaque on the surface of the material in the cabin is removed can be realized under the microgravity by matching with the water-based antibacterial mildew preventive. The negative pressure automatic liquid supply is realized, and the water-based antibacterial mildew preventive is automatically injected by pressing/loosening the movable handle and utilizing the pressure change in the volumetric flask. The sampling amount is adjustable, the brush head is selected according to the required coating area and the required position of the surface of the material in the cabin of the space station, the required sampling amount is determined, the movable handle is pressed, the adjusting gear is matched with the positioning sleeve, and the sampling amount can be adjusted by rotating the adjusting gear. The anti-suck-back adopts the design of one-way valves, only one of the two one-way valves is opened at the same time, and the liquid can only move along a single direction, so that the liquid can be prevented from flowing back.
Description
Technical Field
The invention relates to the technical field of cabin interior surface repair, in particular to a post-repair device for removing dental plaque on the surface of a material in a cabin of a space station and a using method thereof.
Background
The space station provides a suitable living environment for long-term residence of astronauts and also provides favorable conditions for growth and propagation of microorganisms. Wherein pathogenic microorganisms can affect the health of astronauts; fungi and mould can corrode and degrade various equipment and materials in the space station, further influence the normal use of precision instruments and equipment, and when the precision instruments and equipment are serious, the whole platform of the space station has paralysis risk.
Once microbial contamination has occurred, it is common internationally to remove microbial stains from the surface of the material by wiping with a wet wipe or cotton swab. But the stability of the original passivation layer of the material surface after the bacterial plaque is removed is damaged, and water vapor is easy to condense in the generated micropores, so that the adhesion and growth of microorganisms are facilitated, and further, the material surface is corroded again. Therefore, after the bacterial plaque on the surface of the material in the cabin of the space station is removed, the corresponding part is repaired in time to prevent the reoccurrence of corrosion.
At present, the research on the surface repair of microbial corrosion materials in the space station cabin is less, the technology and the method are immature, and the development of related equipment is still in a laboratory stage. Patent CN201611088437.0 discloses cabin interior material surface repair equipment and method that can use under the microgravity condition, need to divide two steps to handle, uses chemical oxidation liquid to carry out preliminary treatment to the material surface at first, and reuse ultraviolet curing coating carries out secondary treatment to the material surface, can play fine anticorrosive effect. Because the surface repair of the material in the cabin is finished by adopting the chemical oxidation solution and the ultraviolet curing coating in two times, the surface painting work of liquid inlet and liquid outlet in two times needs to be finished, the conversion key and the head changer need to be switched for many times in the process, and the surface drying by the fan and the ultraviolet lamp needs to be started, so that the operation process is relatively complicated, and the operation of an astronaut under the microgravity is inconvenient.
Disclosure of Invention
In order to solve the technical problems, the invention provides a post-cleaning repair device for material surface bacterial plaque in a cabin of a space station and a use method thereof, which can quickly realize post-cleaning repair of the material surface bacterial plaque in the cabin under microgravity.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a post-cleaning repairing device for material surface bacterial plaque in a space station cabin, which comprises a liquid storage bag, a sample injector and a brush head, wherein the liquid storage bag is connected with the sample injector; the liquid outlet of the liquid storage bag is communicated with the inlet of the sample injector, and the brush head is arranged at the front end of the sample injector.
Optionally, the liquid storage bag is communicated with the sample injector through a pipeline, and a valve is arranged on the pipeline.
Optionally, the brush head includes a housing, a sealing pad and a swab, a through channel is provided inside the housing, one end of the housing is provided with a first connecting portion connected with an inlet of the sample injector, the other end of the housing is provided with the swab, the sealing pad is provided inside the housing, and is located the swab and between the first connecting portion.
Optionally, the sample injector comprises a fixed handle, a movable handle, a core bar, a volumetric cylinder and a quantitative adjusting mechanism; the bottom of the fixed handle is hinged with the bottom of the movable handle; the volumetric cylinder is arranged at the top end of the fixed handle and positioned at one side far away from the movable handle, and the quantitative adjusting mechanism is arranged between the volumetric cylinder and the movable handle; a through pipeline is arranged in the core bar, the inlet is arranged at one end of the core bar, one end of the core bar is connected with the top end of the movable handle, and the other end of the core bar penetrates through the quantitative adjusting mechanism and then extends into the volumetric cylinder; one end of the volumetric cylinder, which is far away from the movable handle, is provided with a second connecting part, and the second connecting part is used for being connected with the brush head.
Optionally, a pin shaft is arranged between the bottom of the fixed handle and the bottom of the movable handle, a return spring is sleeved on the pin shaft, and two free ends of the return spring are respectively in contact connection with the fixed handle and the movable handle.
Optionally, a first check valve is arranged at the end of the other end of the core rod.
Optionally, one end of the volumetric cylinder, which is far away from the movable handle, is provided with a second one-way valve.
Optionally, the quantitative adjusting mechanism comprises an adjusting gear and a positioning sleeve; the adjusting gear is movably arranged at the top end of the movable handle, and the positioning sleeve is movably arranged at the top end of the fixed handle; one end of the positioning sleeve is provided with a limiting tooth matched with the adjusting gear, the other end of the positioning sleeve is provided with a stepped limiting part, the outer wall of the core rod is provided with a clamping boss, and the clamping boss is matched with the stepped limiting part; the top end of the fixed handle is provided with a graduated window, the outer wall of the positioning sleeve is provided with a graduated scale, and the graduated scale corresponds to the graduated window in position.
The invention also provides a use method of the device for removing the plaque on the surface of the material in the cabin of the space station, which comprises the following steps:
(1) assembling equipment;
selecting a brush head according to the coating area and position required by the surface of the material in the space station cabin, connecting the brush head to the front end of a sample injector, connecting the rear end of the sample injector to one end of a pipeline, connecting the other end of the pipeline to one end of a valve, keeping the valve closed, connecting the other side of the valve to a liquid outlet of a liquid storage bag, keeping the valve closed, and positioning the sample injector at the position with the maximum sample injection amount;
(2) exhausting air;
continuously pressing a movable handle of the sample injector to exhaust air in the pipeline;
(3) adjusting the sample amount of the sample injector;
determining the required sample volume according to the size of the selected brush head, pressing the handle again to enable the adjusting gear to be matched with the positioning sleeve, rotating the adjusting gear to drive the positioning sleeve to rotate, and displaying the required sample volume according to the size of the selected brush head until a scale window on the fixed handle displays the required sample volume;
(4) liquid feeding coating;
opening a valve, loosening a movable handle, driving a core rod to move back, enabling the interior of a volumetric cylinder and a pipeline to be negative pressure, sucking a mildew preventive in a liquid storage bag into the volumetric cylinder, pressing the handle again to drive the core rod to move forward, extruding the mildew preventive in the volumetric cylinder into a swab of a brush head, repeating the operation for several times until the mildew preventive is full of the sponge swab, lightly holding a sampler to fix the handle and the movable handle, aligning the swab to a position needing to be repaired on the surface of a material in a cabin, coating the surface of the material, pressing the movable handle again to feed the liquid according to the wetting condition of the swab, closing the valve according to the coating completion condition, and coating the mildew preventive in the pipeline on the surface of the material, thereby completing the whole coating process;
(5) post-treatment and storage;
firstly, adjusting a core bar to be positioned at the maximum sample injection amount, pressing a movable handle to enable an adjusting gear to be matched with a positioning sleeve, rotating the adjusting gear to drive the positioning sleeve to rotate, modulating the sample injection amount to be maximum, loosening the movable handle, clamping a clamping boss on the core bar with a stepped limiting part in the positioning sleeve at the maximum sample injection amount, and clamping a torsion spring at the moment to be in the most loose state to be beneficial to the maintenance of a sample injector; the disassembling device is composed of all parts and is stored at a manufacturing position, so that the disassembling device is convenient to use next time.
Compared with the prior art, the invention has the following technical effects:
(1) the equipment is small and portable, the operation is simple, and the repair after the plaque on the surface of the material in the cabin is removed can be rapidly realized at one time under the microgravity by matching with the water-based antibacterial mildew preventive.
(2) The negative pressure automatic liquid supply realizes the automatic sample introduction of the water-based antibacterial mildew inhibitor by utilizing the pressure change in the volumetric flask in the operation process of repeatedly pressing/loosening the movable handle.
(3) The brush head is designed into different types and sizes, and can deal with different use environments.
(4) The sampling amount is adjustable, the brush head is selected according to the required coating area and the required position of the surface of the material in the cabin of the space station, the required sampling amount is determined, the movable handle is pressed, the adjusting gear is matched with the positioning sleeve, and the sampling amount can be adjusted by rotating the adjusting gear.
(5) The anti-suck-back adopts the design of one-way valves, only one of the two one-way valves is opened at the same time, and the liquid can only move along a single direction, so that the liquid can be prevented from flowing back.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a post-cleaning repair apparatus for plaque from the surface of material in the cabin of a space station according to the present invention;
FIG. 2 is a schematic structural view of a sample injector in the repairing device after plaque on the surface of material in the cabin of the space station is removed;
FIG. 3 is a schematic cross-sectional view of the sample injector of the repairing device after plaque removal from the surface of the material in the cabin of the space station according to the present invention;
FIG. 4 is an exploded view of the sample injector of the repairing device after plaque has been removed from the surface of the material in the cabin of the space station according to the present invention;
FIG. 5 is a schematic structural view of a positioning sleeve in the post-cleaning repair device for plaque on the surface of material in the cabin of a space station according to the present invention;
FIG. 6 is a schematic cross-sectional view of the core rod and the positioning sleeve of the repairing device after the plaque on the surface of the material in the cabin of the space station is removed;
FIG. 7 is a schematic view of the structure of the piping and valves in the repair device after plaque removal from the surface of the material in the cabin of the space station of the present invention;
FIG. 8 is a schematic view of the construction of the reservoir bag of the post-cleaning maintenance apparatus for plaque from the surface of material in the cabin of the space station of the present invention;
FIG. 9 is a schematic view of the swab of the post-plaque removal servicing device for the material surface within the cabin of the space station of the present invention;
FIG. 10 is a schematic cross-sectional view of a swab in the post-plaque removal servicing device for the material surface within the cabin of the space station of the present invention;
FIG. 11 is another schematic view of the swab of the post-plaque removal system of the material surface within the cabin of the space station of the present invention;
FIG. 12 is a schematic view of another embodiment of a swab in the post-plaque removal servicing device for the material surface within the cabin of a space station of the present invention;
FIG. 13 is a schematic view of another embodiment of a swab in the post-plaque removal system for the material surface within the cabin of a space station of the present invention.
Description of reference numerals: 1. a brush head; 2. a sample injector; 3. a pipeline; 4. a valve; 5. a liquid storage bag;
11. a swab; 12. a gasket; 13. a housing;
21. a second one-way valve; 22. a volumetric cylinder; 23. a positioning sleeve; 24. a first check valve; 25. a seal ring; 26. a core bar; 27. an adjusting gear; 28. fixing a handle; 29. a return spring; 30. a pin shaft; 31. a movable handle;
231. limiting teeth; 232. a stepped limiting part; 261. a clamping boss; 281. and (4) a scale window.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 13, the embodiment provides a post-cleaning repairing device for plaque on the surface of material in a cabin of a space station, which comprises a liquid storage bag 5, a sample injector 2 and a brush head 1; the liquid outlet of the liquid storage bag 5 is communicated with the inlet of the sample injector 2, and the brush head 1 is arranged at the front end of the sample injector 2.
In a more specific embodiment, the liquid storage bag 5 is communicated with the sample injector 2 through a pipeline 3, and a valve 4 is arranged on the pipeline 3. The pipeline 3 is a silicone tube.
Brush head 1 includes casing 13, sealed 12 and swab 11 of filling up, the inside through passage that is provided with of casing 13, 13 one end of casing be provided with the first connecting portion that the import of sample injector 2 is connected, the 13 other end of casing is provided with swab 11, sealed 12 set up in inside the casing 13, and be located swab 11 with between the first connecting portion.
The shell 13 is made of polycarbonate, one side of the shell is provided with a sponge swab 11, the other side of the shell is internally provided with a fixed sealing gasket 12, and the first connecting part is an internal thread and can be connected with the sample injector 2 through a thread. The sponge swab 11 can absorb water-based antimicrobial and antifungal agents to coat surface materials. The sealing gasket 12 has a sealing function and is used for sealing the joint between the shell 13 and the sample injector 2 to ensure that the water-based antibacterial mildew inhibitor cannot leak. The brush head 1 can be designed into different types and sizes according to the working condition of use.
The sample injector 2 comprises a fixed handle 28, a movable handle 31, a core bar 26, a capacity cylinder 22 and a quantitative adjusting mechanism; the bottom of the fixed handle 28 is hinged with the bottom of the movable handle 31; the volumetric cylinder 22 is arranged at the top end of the fixed handle 28 and is positioned at one side far away from the movable handle 31, and the quantitative adjusting mechanism is arranged between the volumetric cylinder 22 and the movable handle 31; a through pipeline 3 is arranged in the core bar 26, the inlet is arranged at one end of the core bar 26, one end of the core bar 26 is connected with the top end of the movable handle 31, and the other end of the core bar 26 penetrates through the quantitative adjusting mechanism and then extends into the volumetric cylinder 22; one end of the volumetric cylinder 22, which is far away from the movable handle 31, is provided with a second connecting part, and the second connecting part is used for being connected with the brush head 1. The second connecting part is an external thread.
The tip of the one end of core bar 26 is provided with barb formula and connects to be convenient for silicone tube and core bar 26 high-speed joint and dismantlement, and can guarantee sufficient joint strength and sealing performance.
One end of the core bar 26 is provided with a positioning notch with a certain distance deviating from the middle part of the core bar 26, and the positioning notch is fixedly connected with the top of the movable handle 31 through a positioning pin, so that the core bar 26 and the movable handle 31 can keep synchronous motion.
A pin shaft 30 is arranged between the bottom of the fixed handle 28 and the bottom of the movable handle 31, a return spring 29 is sleeved on the pin shaft 30, and two free ends of the return spring are respectively in contact connection with the fixed handle 28 and the movable handle 31. In this embodiment, the return spring 29 is a torsion spring. The torsion spring maintains a sufficient distance between the top of the movable handle 31 and the top of the fixed handle 28 in the reset state so that the movable handle 31 can pull the stem 26 to the maximum capacity of the capacity pot 22.
The end of the other end of the stem 26 is provided with a first one-way valve 24.
The end of the volumetric cylinder 22 remote from the movable handle 31 is provided with a second one-way valve 21.
The opening direction of the first check valve 24 and the second check valve 21 is the same.
The quantitative adjusting mechanism comprises an adjusting gear 27 and a positioning sleeve 23; the adjusting gear 27 is movably arranged at the top end of the movable handle 31, and the positioning sleeve 23 is movably arranged at the top end of the fixed handle 28; one end of the positioning sleeve 23 is provided with a limiting tooth 231 matched with the adjusting gear 27, the other end of the positioning sleeve 23 is provided with a stepped limiting part 232, the outer wall of the core bar 26 is provided with a clamping boss 261, and the clamping boss 261 is matched with the stepped limiting part 232; the top end of the fixed handle 28 is provided with a scale window 281, the outer wall of the positioning sleeve 23 is provided with a scale, and the scale corresponds to the scale window 281.
The stepped limiting part 232 comprises a plurality of steps with different heights, the inner walls of the positioning sleeves 23 are spirally distributed along the steps, different steps are in contact with the clamping bosses 261, the distance of the core rod 26 extending into the positioning sleeves 23 is changed, and then the distance of the core rod 26 extending into the capacity cylinder 22 is changed to change the volume of the capacity cylinder 22.
The locating sleeve 23 is in limit connection with the top of the fixed handle 28, and in the existing limit connection, only the axial movement of the locating sleeve 23 is limited, and the rotation of the fixed sleeve is not limited.
By pressing the movable handle 31, the adjusting gear 27 is matched with the limit teeth 231 on the positioning sleeve 23, and then the adjusting gear 27 is rotated to drive the positioning sleeve 23 to rotate, and the position of the scale marks on the positioning sleeve 23 relative to the scales on the scale windows 281 is observed through the scale windows 281, so that the current capacity of the capacity drum 22 is determined.
The whole maintenance device after the plaque on the surface of the material in the cabin of the space station is removed is supported by medical-grade high-molecular plastic material, and the fixed handle 28 and the movable handle 31 are designed according to the human mechanics principle, so that the use is easy and labor-saving.
Example two:
the embodiment provides a method for using the post-plaque removal repair device for the material surface in the cabin of the space station in the first embodiment, which comprises the following steps:
(1) assembling equipment;
selecting a brush head 1 according to the required coating area and position of the surface of a material in a cabin of a space station, connecting the brush head 1 to the front end of a sample injector 2 through threads, connecting the rear end of the sample injector 2 with one end of a pipeline 3, connecting the other end of the pipeline 3 with one end of a valve 4, keeping the valve 4 closed, connecting the other side of the valve 4 with a liquid outlet of a liquid storage bag 5 through a luer, filling a water-based antibacterial mildew preventive into the liquid storage bag 5, keeping the valve 4 closed at the moment, and positioning the sample injector 2 at the position with the maximum sample injection amount;
(2) exhausting air;
continuously pressing the movable handle 31 of the sample injector 2 to completely exhaust the air in the pipeline 3;
(3) adjusting the sample amount of the sample injector 2;
determining the required sample volume according to the size of the selected brush head 1, pressing the handle again to enable the adjusting gear 27 to be matched with the positioning sleeve 23, rotating the adjusting gear 27 to drive the positioning sleeve 23 to rotate, and according to the size of the selected brush head 1 until the scale window 281 on the fixed handle 28 displays the required sample volume;
(4) liquid feeding coating;
opening the valve 4, loosening the movable handle 31, driving the core rod 26 to move back, enabling the interior of the volumetric cylinder 22 and the pipeline 3 to be negative pressure, sucking the mildew preventive in the liquid storage bag 5 into the volumetric cylinder 22, pressing the handle again, driving the core rod 26 to move forward, extruding the mildew preventive in the volumetric cylinder 22 into the sponge swab 11 of the brush head 1, repeating the operation for several times until the sponge swab 11 is filled with the mildew preventive, lightly holding the sample injector 2 to fix the handle 28 and the movable handle 31, aligning the swab 11 to a position to be repaired on the surface of the material in the cabin, coating the surface of the material, pressing the movable handle 31 again to feed the liquid according to the wetting condition of the swab 11, closing the valve 4 according to the coating completion condition, and completely coating the mildew preventive in the pipeline 3 on the surface of the material, thereby completing the whole coating process;
(5) post-treatment and storage;
firstly, adjusting the core rod 26 to be positioned at the maximum sample injection amount, pressing the movable handle 31 to enable the adjusting gear 27 to be matched with the positioning sleeve 23, rotating the adjusting gear 27 to drive the positioning sleeve 23 to rotate, adjusting the sample injection amount to be the maximum, loosening the movable handle 31, clamping the clamping boss 261 on the core rod 26 to be clamped with the stepped limiting part 232 in the positioning sleeve 23 at the maximum sample injection amount, and enabling the torsion spring to be in the most loose state at the moment, so that the sample injector 2 is convenient to maintain; the disassembling device is composed of all parts and is stored at a manufacturing position, so that the disassembling device is convenient to use next time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A post-cleaning repairing device for material surface bacterial plaque in a space station cabin is characterized by comprising a liquid storage bag, a sample injector and a brush head; the liquid outlet of the liquid storage bag is communicated with the inlet of the sample injector, and the brush head is arranged at the front end of the sample injector;
the sample injector comprises a fixed handle, a movable handle, a core rod, a volumetric cylinder and a quantitative adjusting mechanism; the bottom of the fixed handle is hinged with the bottom of the movable handle; the volumetric cylinder is arranged at the top end of the fixed handle and positioned at one side far away from the movable handle, and the quantitative adjusting mechanism is arranged between the volumetric cylinder and the movable handle; a through pipeline is arranged in the core bar, the inlet is arranged at one end of the core bar, one end of the core bar is connected with the top end of the movable handle, and the other end of the core bar penetrates through the quantitative adjusting mechanism and then extends into the volumetric cylinder; one end of the volumetric cylinder, which is far away from the movable handle, is provided with a second connecting part, and the second connecting part is used for being connected with the brush head;
the end part of the other end of the core rod is provided with a first one-way valve; and one end of the volumetric cylinder, which is far away from the movable handle, is provided with a second one-way valve.
2. The post-cleaning plaque repair apparatus for the cabin interior material surface of a space station of claim 1 wherein the reservoir bag is in communication with the sampler via a conduit having a valve disposed thereon.
3. The post-plaque removal servicing device according to claim 1, wherein the brush head comprises a housing, a sealing pad and a swab, the housing having a through channel disposed therein, the housing having a first connecting portion at one end for connection to the inlet of the sampler and a second connecting portion at the other end for connection to the swab, the sealing pad being disposed within the housing and between the swab and the first connecting portion.
4. The post-cleaning device for removing plaque from the surface of material inside the cabin of a space station according to claim 1, wherein a pin is provided between the bottom of the fixed handle and the bottom of the movable handle, a return spring is sleeved on the pin, and two free ends of the return spring are respectively in contact connection with the fixed handle and the movable handle.
5. The post-plaque removal servicing device according to claim 4 wherein said return spring is a torsion spring.
6. The post-plaque removal servicing device for the cabin interior material of a space station of claim 5 wherein the quantitative adjustment mechanism comprises an adjustment gear and a positioning sleeve; the adjusting gear is movably arranged at the top end of the movable handle, and the positioning sleeve is movably arranged at the top end of the fixed handle; one end of the positioning sleeve is provided with a limiting tooth matched with the adjusting gear, the other end of the positioning sleeve is provided with a stepped limiting part, the outer wall of the core rod is provided with a clamping boss, and the clamping boss is matched with the stepped limiting part; the top end of the fixed handle is provided with a graduated window, the outer wall of the positioning sleeve is provided with a graduated scale, and the graduated scale corresponds to the graduated window in position.
7. The method of using the post-plaque removal servicing device for a cabin material of a space station of claim 6, comprising the steps of:
(1) assembling equipment;
selecting a brush head according to the coating area and position required by the surface of the material in the space station cabin, connecting the brush head to the front end of a sample injector, connecting the rear end of the sample injector to one end of a pipeline, connecting the other end of the pipeline to one end of a valve, keeping the valve closed, connecting the other side of the valve to a liquid outlet of a liquid storage bag, keeping the valve closed, and positioning the sample injector at the position with the maximum sample injection amount;
(2) exhausting air;
continuously pressing a movable handle of the sample injector to exhaust air in the pipeline;
(3) adjusting the sample amount of the sample injector;
determining the required sample volume according to the size of the selected brush head, pressing the handle again to enable the adjusting gear to be matched with the positioning sleeve, rotating the adjusting gear to drive the positioning sleeve to rotate, and displaying the required sample volume according to the size of the selected brush head until a scale window on the fixed handle displays the required sample volume;
(4) liquid feeding coating;
opening a valve, loosening a movable handle, driving a core rod to move back, enabling the interior of a volumetric cylinder and a pipeline to be negative pressure, sucking a mildew preventive in a liquid storage bag into the volumetric cylinder, pressing the handle again to drive the core rod to move forward, extruding the mildew preventive in the volumetric cylinder into a swab of a brush head, repeating the operation for several times until the mildew preventive is full of the swab, lightly holding a sampler to fix the handle and the movable handle, aligning the swab to a position needing to be repaired on the surface of a material in a cabin, coating the surface of the material, pressing the movable handle again to feed the liquid according to the wetting condition of the swab, closing the valve according to the coating completion condition, and coating the mildew preventive in the pipeline on the surface of the material, thereby completing the whole coating process;
(5) post-treatment and storage;
firstly, adjusting a core bar to be positioned at the maximum sample injection amount, pressing a movable handle to enable an adjusting gear to be matched with a positioning sleeve, rotating the adjusting gear to drive the positioning sleeve to rotate, modulating the sample injection amount to be maximum, loosening the movable handle, clamping a clamping boss on the core bar with a stepped limiting part in the positioning sleeve at the maximum sample injection amount, and clamping a torsion spring at the moment to be in the most loose state to be beneficial to the maintenance of a sample injector; the disassembling device is composed of various parts and is stored at a designated position, so that the disassembling device is convenient to use next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457523.0A CN112604915B (en) | 2020-12-11 | 2020-12-11 | Post-repair device for removing dental plaque on surface of material in cabin of space station and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457523.0A CN112604915B (en) | 2020-12-11 | 2020-12-11 | Post-repair device for removing dental plaque on surface of material in cabin of space station and using method |
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| CN112604915A CN112604915A (en) | 2021-04-06 |
| CN112604915B true CN112604915B (en) | 2021-10-26 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20150023717A1 (en) * | 2013-07-18 | 2015-01-22 | Larry Warren Lewis | Liquid Condiment Applicator |
| KR102231327B1 (en) * | 2018-11-13 | 2021-03-24 | 권구찬 | Packer for repairing crack of concrete structure |
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| CN104907284A (en) * | 2015-06-01 | 2015-09-16 | 北京航空航天大学 | Equipment and method for directionally removing bacterial plaque from surface of material in cabin |
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| CN112604915A (en) | 2021-04-06 |
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