Demisting mechanism for sample window of laser particle analyzer

By designing a defogging mechanism for the sample window of a laser particle size analyzer, and utilizing a combined mechanism to achieve automatic cleaning of the sample window, the problem of dust and water mist accumulation in the sample window is solved, thereby improving the accuracy of scientific research and extending its service life.

CN223910735UActive Publication Date: 2026-02-13SHANDONG NIKE ANALYTICAL INSTR CO LTD
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Patent Information

Application Number
CN202520449925.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-13
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The sample window of existing laser particle size analyzers is prone to accumulating dust or water vapor during long-term use, which leads to a decrease in scientific accuracy and a shortened service life, and cannot be cleaned quickly.

Method used

A defogging mechanism for the sample window of a laser particle size analyzer was designed. Through a combination mechanism, a micro motor drives a threaded rod and a threaded sleeve to move the mounting plate and brush bristles, thereby achieving automatic cleaning of the sample window. The mechanism includes the cooperation of a first protective cover, a second protective cover, a sliding groove, a positioning rod, a threaded rod, a sliding sleeve, a micro motor, a threaded sleeve, and brush bristles to ensure cleaning effectiveness.

Benefits of technology

It enables rapid cleaning of the sample window, improves the accuracy of scientific research, extends the service life of the sample window, and saves workpiece space.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of sample window demisting, in particular to a sample window demisting mechanism of a laser particle analyzer, which comprises an instrument main body and a combined mechanism, a window main body is arranged in the instrument main body, and the combined mechanism is arranged at one end of the window main body. According to the demisting mechanism for the sample window of the laser particle size analyzer, through the arrangement of the combined mechanism, when the window main body needs to be subjected to demisting operation, after the instrument main body is electrified, a micro motor starts to work, rotating power is provided through a threaded rod connected with the micro motor, and after the micro motor drives the threaded rod to rotate, a threaded sleeve axially moves on the threaded rod; the threaded sleeve moves to synchronously drive the first mounting plate to slide along the first sliding groove, the first mounting plate moves to enable the bristles to wipe the surface of the window body, automatic cleaning is achieved, finally, sliding fit with the second sliding groove is achieved through the positioning rod, it is ensured that the first mounting plate moves more stably, and shaking or deviation is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sample window demisting related technical field, especially a kind of laser particle size instrument sample window demisting mechanism. BACKGROUND

[0002] Laser particle size instrument sample window is used in laser particle size instrument, and the transparent window for placing sample to be measured, its main function is to allow laser beam to pass through and scatter with the particle in sample, so that the size and distribution of particle are measured by instrument, sample window is usually made of optical transparent material (such as glass or plastic), with the characteristics of anti-pollution, wear resistance, ensure accurate measurement result, with the continuous progress of scientific research, the protection of sample window is more and more important, therefore, especially need a kind of laser particle size instrument sample window demisting mechanism.

[0003] But the existing laser particle size instrument sample window, in long time use process, sample window will produce a large amount of dust or water mist because of a large amount of scientific research, however, in actual scientific research process, sample window cannot be cleaned quickly, thereby affecting actual scientific research accuracy, reduce the service life of sample window. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of laser particle size instrument sample window demisting mechanism to solve the problems of the existing laser particle size instrument sample window in long time use process, sample window will produce a large amount of dust or water mist because of a large amount of scientific research, however, in actual scientific research process, sample window cannot be cleaned quickly, thereby affecting actual scientific research accuracy, reduce the service life of sample window.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of laser particle size instrument sample window demisting mechanism, including instrument main body and combination mechanism, the inside installation of instrument main body has window main body, the one end of window main body is provided with combination mechanism;

[0006] The combination mechanism includes first protective cover, second protective cover, first sliding slot, second sliding slot, installation slot, positioning rod, threaded rod, sliding sleeve, micro motor, threaded sleeve, first mounting plate and brush hair, the surface one side of window main body is installed with first protective cover, the other side of window main body is installed with second protective cover, the surface one side of first protective cover is equipped with first sliding slot, the one side of second protective cover is equipped with second sliding slot, the one end of first sliding slot is equipped with installation slot, the inside connection of second sliding slot has positioning rod, the inside of installation slot is embedded with threaded rod, the surface of positioning rod is embedded with sliding sleeve, the one end of threaded rod is connected with micro motor, the surface of threaded rod is connected with threaded sleeve, the one end of threaded sleeve is connected with first mounting plate, the one side of first mounting plate is installed with brush hair.

[0007] Preferably, the sliding sleeve is embedded in the interior of the second sliding groove, the sliding sleeve and the second sliding groove form a mutual sliding structure through a positioning rod, and one side of the sliding sleeve is connected with the first mounting plate.

[0008] Preferably, the micro motor is installed in the installation groove, and the micro motor is electrically connected with the instrument main body.

[0009] Preferably, one side of the brush is matched with the window main body, and the first mounting plate is matched with the longitudinal size of the window main body.

[0010] Preferably, the threaded sleeve is embedded in the interior of the first sliding groove, and the threaded sleeve and the first sliding groove form a mutual sliding structure through a threaded rod.

[0011] Preferably, the main body of the threaded rod is embedded in the interior of the first sliding groove, and the threaded sleeve and the threaded rod form a mutual sliding structure through a micro motor.

[0012] Preferably, the first mounting plate is provided with two groups, and the two groups of first mounting plates are different in type.

[0013] Preferably, the first sliding groove and the second sliding groove are opposite in position, and the first sliding groove and the second sliding groove are matched in size.

[0014] Compared with the prior art, the laser particle size instrument sample window defogging mechanism has the beneficial effects that: through the setting of the combination mechanism, the combination mechanism is matched with simple parts, the cleaning and defogging of the surface of the sample window are quickly completed in the scientific research process, the accuracy of scientific research is effectively improved, and the device is inlaid on the instrument main body, thereby effectively saving the workpiece and guaranteeing the normal use of the sample window. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a side appearance structure schematic view of the utility model;

[0016] Figure 2 It is a window main body side front view structure schematic view of the utility model;

[0017] Figure 3 It is a window main body side rear view structure schematic view of the utility model;

[0018] Figure 4 It is a combination mechanism part section view exploded structure schematic view of the utility model;

[0019] Figure 5 It is a window main body side front view structure schematic view of the utility model; Figure 4 It is an enlarged structure schematic view of A in the utility model;

[0020] Figure 6 It is a window main body side front view structure schematic view of the utility model; Figure 4The enlarged structure schematic view at middle B.

[0021] In the figure: 1, instrument main body; 2, window main body; 3, combination mechanism; 301, first protective cover; 302, second protective cover; 303, first sliding groove; 304, second sliding groove; 305, mounting groove; 306, positioning rod; 307, threaded rod; 308, sliding sleeve; 309, micro motor; 310, threaded sleeve; 311, first mounting plate; 312, brush hair. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-6 The present application provides a technical solution: a laser particle size instrument sample window defogging mechanism, comprising an instrument main body 1 and a combination mechanism 3, a window main body 2 is installed inside the instrument main body 1, and the window main body 2 is provided with the combination mechanism 3 at one end;

[0024] The combination mechanism 3 comprises a first protective cover 301, a second protective cover 302, a first sliding groove 303, a second sliding groove 304, a mounting groove 305, a positioning rod 306, a threaded rod 307, a sliding sleeve 308, a micro motor 309, a threaded sleeve 310, a first mounting plate 311 and brush hairs 312, the surface of the window body 2 is provided with the first protective cover 301, the other side of the window body 2 is provided with the second protective cover 302, the surface of the first protective cover 301 is provided with the first sliding groove 303, one side of the second protective cover 302 is provided with the second sliding groove 304, one end of the first sliding groove 303 is provided with the mounting groove 305, the inside of the second sliding groove 304 is connected with the positioning rod 306, the inside of the mounting groove 305 is embedded with the threaded rod 307, the surface of the positioning rod 306 is embedded with the sliding sleeve 308, one end of the threaded rod 307 is connected with the micro motor 309, the surface of the threaded rod 307 is screwed with the threaded sleeve 310, one end of the threaded sleeve 310 is connected with the first mounting plate 311, one side of the first mounting plate 311 is provided with the brush hairs 312, through the setting of the first protective cover 301, the second protective cover 302, the first sliding groove 303, the second sliding groove 304, the mounting groove 305, the positioning rod 306, the threaded rod 307, the sliding sleeve 308, the micro motor 309, the threaded sleeve 310, the first mounting plate 311 and the brush hairs 312, when the defogging operation of the window body 2 is needed, the instrument body 1 is powered on, the micro motor 309 starts to work and provides rotary power through the threaded rod 307 connected thereto, after the micro motor 309 drives the threaded rod 307 to rotate, the threaded sleeve 310 moves axially on the threaded rod 307, the movement of the threaded sleeve 310 will synchronously drive the first mounting plate 311 to slide along the first sliding groove 303, the movement of the first mounting plate 311 makes the brush hairs 312 wipe the surface of the window body 2, realizing automatic cleaning, finally the positioning rod 306 realizes sliding cooperation with the second sliding groove 304, ensuring that the movement of the first mounting plate 311 is more stable and preventing shaking or deviation.

[0025] Further, the sliding sleeve 308 is embedded in the inside of the second sliding groove 304, the sliding sleeve 308 and the second sliding groove 304 constitute a mutual sliding structure through the positioning rod 306, one side of the sliding sleeve 308 is connected with the first mounting plate 311, through the setting of the sliding sleeve 308 and the positioning rod 306, the sliding sleeve 308 mainly plays a guiding, connecting and friction-reducing role, and the positioning rod 306 is responsible for providing stable support and ensuring that the sliding movement of the brush hairs 312 will not deviate, the cooperation of the two components makes the operation of the whole cleaning mechanism more stable and efficient, ensuring that the brush hairs 312 can uniformly clean the surface of the window body 2, thereby improving the reliability and service life of the device.

[0026] Further, the micro motor 309 is installed in the installation groove 305, and the micro motor 309 is electrically connected with the instrument main body 1. Through the setting of the micro motor 309, the micro motor 309 is installed in the installation groove 305 and is electrically connected with the instrument main body 1. After being powered on, the micro motor 309 is started, and the rotating output power of the micro motor 309 is transmitted to the threaded rod 307 to make it rotate. At the same time, the threaded rod 307 is screwed with the threaded sleeve 310. When the threaded rod 307 rotates, the threaded sleeve 310 moves along the axial direction of the threaded rod 307. Finally, since one end of the threaded sleeve 310 is fixedly connected with the first mounting plate 311, the first mounting plate 311 will move linearly along the first sliding groove 303 with the threaded sleeve 310, so as to ensure the normal cleaning work.

[0027] Further, one side of the brush 312 is attached to the window main body 2, and the longitudinal dimension of the first mounting plate 311 is consistent with that of the window main body 2. Through the setting of the brush 312, the brush 312 is attached to the surface of the window main body 2, and wipes the window main body 2 along with the reciprocating movement of the first mounting plate 311, so as to remove the dust, stains or other attachments on the surface. Through the continuous sliding of the brush 312, uniform and dead-angle-free cleaning effect can be achieved.

[0028] Further, the threaded sleeve 310 is embedded in the inside of the first sliding groove 303, and the threaded sleeve 310 and the first sliding groove 303 constitute a mutual sliding structure through the threaded rod 307. Through the setting of the threaded sleeve 310, the threaded sleeve 310 is screwed with the threaded rod 307. When the threaded rod 307 rotates, the threaded sleeve 310 moves in the axial direction of the threaded rod 307. Since the threaded sleeve 310 is fixedly connected with the first mounting plate 311, the first mounting plate 311 also moves linearly in the first sliding groove 303, so as to drive the brush 312 to reciprocate and clean.

[0029] Further, the main body of the threaded rod 307 is embedded in the inside of the first sliding groove 303, and the threaded sleeve 310 and the threaded rod 307 constitute a mutual sliding structure through the micro motor 309. Through the setting of the threaded rod 307, one end of the threaded rod 307 is connected with the micro motor 309. When the micro motor 309 is powered on and works, the threaded rod 307 rotates. The surface of the threaded rod 307 is screwed with the threaded sleeve 310. When the threaded rod 307 rotates, the threaded sleeve 310 moves along the axial direction of the threaded rod 307, so as to drive the first mounting plate 311 and the brush 312 to reciprocate along the sliding groove, and realize the cleaning of the window main body 2.

[0030] Further, the first installation plate 311 is provided with two groups, the models of the two groups of first installation plates 311 are different, through the setting of the first installation plate 311, the side of the first installation plate 311 is provided with the brush 312, the brush 312 directly matches the surface of the window main body 2, and cleaning is realized through reciprocating sliding, and since the longitudinal size of the first installation plate 311 is matched with the window main body 2, it is ensured that the brush 312 can comprehensively cover the cleaning area, and the cleaning efficiency is improved.

[0031] Further, the positions of the first sliding groove 303 and the second sliding groove 304 are opposite, the sizes of the first sliding groove 303 and the second sliding groove 304 are matched, through the setting of the first sliding groove 303 and the second sliding groove 304, the first sliding groove 303 is mainly responsible for threaded transmission and linear motion of the first installation plate 311, and the second sliding groove 304 is matched with the positioning rod 306 through the sliding sleeve 308, and plays a role in auxiliary guiding and stable supporting, the two sliding grooves are matched with each other, so that the cleaning mechanism can keep stable, accurate and non-deviated linear motion, and it is ensured that the brush 312 can efficiently and uniformly clean the surface of the window main body 2.

[0032] Working principle: when the window main body 2 needs to be defrosted, the instrument main body 1 is powered on, the micro motor 309 starts to work, and the micro motor 309 provides rotating power through the threaded rod 307 connected with the micro motor 309, after the micro motor 309 drives the threaded rod 307 to rotate, the threaded sleeve 310 moves axially on the threaded rod 307, the movement of the threaded sleeve 310 will synchronously drive the first installation plate 311 to slide along the first sliding groove 303, the movement of the first installation plate 311 makes the brush 312 wipe the surface of the window main body 2, and automatic cleaning is realized, finally, the positioning rod 306 is matched with the second sliding groove 304 to realize sliding, and the movement of the first installation plate 311 is more stable, and shaking or deviation is prevented.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A defogging mechanism for a laser particle size analyzer sample window, comprising an instrument body (1) and a combined mechanism (3), characterized in that: The instrument body (1) has a window body (2) installed inside, and a combination mechanism (3) is provided at one end of the window body (2). The combined mechanism (3) includes a first protective cover (301), a second protective cover (302), a first sliding groove (303), a second sliding groove (304), a mounting groove (305), a positioning rod (306), a threaded rod (307), a sliding sleeve (308), a micro motor (309), a threaded sleeve (310), a first mounting plate (311), and bristles (312). The first protective cover (301) is installed on one side of the surface of the window body (2), and the second protective cover (302) is installed on the other side of the window body (2). The first protective cover (301) has a first sliding groove (303) on one side of its surface, and the second protective cover (302) has a second sliding groove (304) on the other side of its surface. A second slide groove (304) is provided on one side, and an installation groove (305) is provided at one end of the first slide groove (303). A positioning rod (306) is connected inside the second slide groove (304). A threaded rod (307) is fitted inside the installation groove (305). A sliding sleeve (308) is fitted on the surface of the positioning rod (306). A micro motor (309) is connected to one end of the threaded rod (307). A threaded sleeve (310) is threadedly connected to the surface of the threaded rod (307). A first mounting plate (311) is connected to one end of the threaded sleeve (310). Brush bristles (312) are installed on one side of the first mounting plate (311).

2. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The sliding sleeve (308) is fitted inside the second sliding groove (304). The sliding sleeve (308) and the second sliding groove (304) form a mutual sliding structure through the positioning rod (306). One side of the sliding sleeve (308) is connected to the first mounting plate (311).

3. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The micro motor (309) is installed in the mounting slot (305) and is electrically connected to the instrument body (1).

4. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: One side of the bristles (312) is attached to the window body (2), and the first mounting plate (311) matches the longitudinal dimension of the window body (2).

5. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The threaded sleeve (310) is fitted inside the first slide groove (303), and the threaded sleeve (310) and the first slide groove (303) form a mutual sliding structure through the threaded rod (307).

6. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The main body of the threaded rod (307) is fitted inside the first groove (303), and the threaded sleeve (310) forms a sliding structure with the threaded rod (307) through the micro motor (309).

7. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The first mounting plate (311) is provided in two sets, and the models of the two sets of the first mounting plate (311) are different.

8. The defogging mechanism for a laser particle size analyzer sample window according to claim 1, characterized in that: The first slide (303) and the second slide (304) are positioned relative to each other, and the dimensions of the first slide (303) and the second slide (304) match.