CN108761833B - High school's chemistry experiment protector - Google Patents
High school's chemistry experiment protector Download PDFInfo
- Publication number
- CN108761833B CN108761833B CN201810550233.7A CN201810550233A CN108761833B CN 108761833 B CN108761833 B CN 108761833B CN 201810550233 A CN201810550233 A CN 201810550233A CN 108761833 B CN108761833 B CN 108761833B
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- China
- Prior art keywords
- rod
- circular
- baffle
- winding shaft
- drives
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- Expired - Fee Related
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C3/00—Special supporting arrangements for lens assemblies or monocles
- G02C3/003—Arrangements for fitting and securing to the head in the position of use
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C3/00—Special supporting arrangements for lens assemblies or monocles
- G02C3/02—Arrangements for supporting by headgear
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
Abstract
The invention discloses a high school chemical experiment protection device which comprises a goggles main body, wherein a pull ring is fixedly installed at the top of the goggles main body, an installation seat is fixedly installed at the bottom of the goggles main body and is of a hollow structure, a winding shaft is rotatably installed on the inner wall of the top of the installation seat, a circular plate is fixedly sleeved on the outer side of the winding shaft, a plurality of first baffles are fixedly installed on the outer side of the circular plate, a circular groove is formed in one end, away from the goggles main body, of the winding shaft, a T-shaped rod is slidably sleeved in the circular groove, a transverse plate slidably installed on the side wall of the installation seat is rotatably sleeved on the outer side of the T-shaped rod, and a first vertical rod is fixedly installed on one side of. The invention has simple structure, can adjust the length of the rope belt to be suitable for each student, avoids the falling of the goggles body in the experiment due to the infirm belt, and is beneficial to protecting eyes in the experiment.
Description
Technical Field
The invention relates to the technical field of protective equipment, in particular to a protective device for high school chemistry experiments.
Background
Chemistry is a subject based on the experiment, the study interest not only can be aroused in the experiment, and to forming the chemical concept, understand consolidated knowledge, training experiment skill, train observation and hands-on ability, but often accompany the potential safety hazard in the chemical experiment, when carrying out the chemical experiment, often cause chemical liquid to gradually get into in the eye because of neglect, bring very big injury to student's eyes, consequently, students need take the goggles and carry out the chemical experiment, because current goggles mostly is by the picture frame, lens and mirror holder are constituteed, can't adjust according to every student's condition, cause the goggles to drop easily in the experiment, cause the potential safety hazard, bring very big inconvenience in the experiment, in order to solve this problem, therefore we have proposed a high school chemistry experiment protector.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high school chemical experiment protection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high school chemistry experiment protection device comprises an eye protector main body, wherein a pull ring is fixedly installed at the top of the eye protector main body, a mounting seat is fixedly installed at the bottom of the eye protector main body and is of a hollow structure, a winding shaft is rotatably installed on the inner wall of the top of the mounting seat, a round plate is fixedly sleeved on the outer side of the winding shaft, a plurality of first baffles are fixedly installed on the outer side of the round plate, a round groove is formed in one end, away from the eye protector main body, of the winding shaft, a T-shaped rod is slidably sleeved in the round groove, a transverse plate slidably installed on the side wall of the mounting seat is rotatably sleeved on the outer side of the T-shaped rod, a first vertical rod is fixedly installed on one side of the top of the transverse plate, a groove is formed in one side, close to the round plate, a same second vertical rod is fixedly installed on the inner wall of the, a second baffle is fixedly arranged at one end of the cross bar far away from the first vertical bar, the second baffle is matched with the first baffle, a limit stop lever fixedly arranged with the side wall of the groove is arranged at one side of the cross bar, the limit stop lever is contacted with the cross bar, a first spring is fixedly arranged at one end of the limit stop lever close to the second baffle, one end of the first spring far away from the limit stop lever is fixedly arranged with one side of the second baffle close to the limit stop lever, a second spring is movably sleeved on the T-shaped bar, two ends of the second spring are respectively fixedly arranged with the bottom inner wall of the mounting seat and the transverse plate, a rope belt is wound and fixed on the winding shaft, one end of the rope belt far away from the winding shaft extends out of the mounting seat and is fixedly provided with a hook matched with the pull ring, when a chemical experiment is carried out, the hook is firstly hung in the pull ring and then worn on the head, the T-shaped bar is rotated forward, the winding shaft is driven by the T-shaped bar, meanwhile, the winding shaft drives a plurality of first baffles to rotate through the circular plate, the plurality of first baffles extrude and incline the second baffle in sequence, the second baffle drives the cross rod to incline and compress the first spring, the cross rod rotates outside the second vertical rod, meanwhile, the cross bar is separated from the limit stop lever until the rope belt is adjusted to the length suitable for the head, the T-shaped lever stops rotating, when the goggles need to be taken down after the experiment is finished, the T-shaped rod is pulled downwards, the transverse plate is driven by the T-shaped rod to slide downwards in the mounting seat and compress the second spring, meanwhile, the transverse plate drives the first vertical rod to move downwards, the first vertical rod drives the transverse rod to move downwards through the second vertical rod, the transverse rod drives the second baffle to move downwards and is staggered with the first baffle, the T-shaped rod can be reversed at the moment, the T-shaped rod drives the winding shaft to release the rope belt, and the goggles are taken down to adjust the length of the rope belt.
Preferably, two limiting grooves are symmetrically formed in the side wall of the circular groove, and limiting blocks are fixedly mounted on the outer sides of the T-shaped rods and are connected in the two limiting grooves in a sliding mode.
Preferably, a first circular through hole is formed in the inner wall of the bottom of the mounting seat, and the inner side of the first circular through hole is in movable contact with the outer side of the T-shaped rod.
Preferably, a second circular through hole is formed in the top of the transverse plate, a first bearing is fixedly sleeved in the second circular through hole, and the inner ring of the first bearing is fixedly sleeved with the outer side of the T-shaped rod.
Preferably, a third circular through hole is formed in the top of the cross rod, a second bearing is fixedly mounted on the inner side of the third circular through hole, and the inner ring of the second bearing is fixedly sleeved with the outer side of the second vertical rod.
Preferably, a fourth circular through hole is formed in the inner wall of one side of the mounting seat, and the inner side of the fourth circular through hole is in movable contact with the rope belt.
Preferably, the sliding grooves are formed in two sides of the transverse plate, and the sliding grooves are connected with sliding rails fixedly mounted on the side walls of the mounting seats in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
when a chemical experiment is carried out, firstly, the hook is hung in the pull ring, then the hook is worn on the head, the T-shaped rod is positively rotated through the matching of the winding shaft, the circular plate, the first baffle plate, the circular groove, the transverse plate, the first vertical rod, the second vertical rod, the transverse rod, the second baffle plate, the limiting stop rod, the first spring, the second spring, the limiting block and the limiting groove with the rope belt, the T-shaped rod drives the winding shaft to wind the rope belt, meanwhile, the winding shaft drives the first baffle plates to rotate through the circular plate, the first baffle plates sequentially extrude and incline the second baffle plates, the second baffle plates drive the transverse rod to incline and compress the first spring, the transverse rod rotates outside the second vertical rod, meanwhile, the transverse rod is separated from the limiting stop rod until the rope belt is adjusted to the length suitable for the head, the T-shaped rod stops rotating, the first spring in the compression state drives the first baffle plate to reset, and the limiting stop rod limits the transverse rod, the horizontal pole passes through the second baffle and restricts the locking to first baffle, when the experiment is accomplished and need take down the goggles, stimulate T type pole downwards, T type pole drives the diaphragm and slides downwards in the mount pad and compress the second spring, the diaphragm drives first montant lapse simultaneously, first montant drives the horizontal pole lapse position through the second montant and removes, the horizontal pole drives second baffle lapse position and staggers mutually with first baffle, T type pole can reverse this moment, T type pole drives the spool and releases the fag end, the goggles of taking down, make and to adjust the length of fag end, in order to be applicable to every student, avoid the goggles body to drop in the experiment because of the area insecure, be favorable to protecting eyes in the experiment.
The invention has simple structure, can adjust the length of the rope belt to be suitable for each student, avoids the falling of the goggles body in the experiment due to the infirm belt, and is beneficial to protecting eyes in the experiment.
Drawings
FIG. 1 is a schematic structural diagram of a high school chemical experiment protection device according to the present invention;
FIG. 2 is a schematic side view of a chemical experiment safeguard of high school according to the present invention;
FIG. 3 is a schematic sectional view of a part A of a high school chemical experiment protection device according to the present invention;
fig. 4 is a schematic sectional structural view of a part B of a high school chemical experiment protective device according to the present invention.
In the figure: the safety goggles comprise 1 goggle main body, 2 pull rings, 3 mounting seats, 4 winding shafts, 5 circular plates, 6 first baffle plates, 7 circular grooves, 9 transverse plates, 10 first vertical rods, 11 grooves, 12 second vertical rods, 13 transverse rods, 14 second baffle plates, 15 limiting stop levers, 16 first springs, 17 second springs, 18 limiting blocks, 19 limiting grooves, 20 rope belts and 21 hooks.
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.
Referring to fig. 1-4, a high school chemical experiment protective device comprises a goggle main body 1, a pull ring 2 is fixedly installed on the top of the goggle main body 1, a mounting seat 3 is fixedly installed on the bottom of the goggle main body 1, the mounting seat 3 is of a hollow structure, a winding shaft 4 is rotatably installed on the inner wall of the top of the mounting seat 3, a round plate 5 is fixedly sleeved on the outer side of the winding shaft 4, a plurality of first baffle plates 6 are fixedly installed on the outer side of the round plate 5, a round groove 7 is formed in one end of the winding shaft 4 away from the goggle main body 1, a T-shaped rod 8 is slidably sleeved in the round groove 7, a transverse plate 9 slidably installed on the side wall of the mounting seat 3 is rotatably sleeved on the outer side of the T-shaped rod 8, a first vertical rod 10 is fixedly installed on one side of the top of the transverse plate 9, a groove 11 is formed on one side of the first vertical, a cross bar 13 is rotatably sleeved outside the second vertical bar 12, a second baffle 14 is fixedly installed at one end of the cross bar 13 far away from the first vertical bar 10, the second baffle 14 is matched with the first baffle 6, a limit stop lever 15 fixedly installed with the side wall of the groove 11 is arranged at one side of the cross bar 13, the limit stop lever 15 is contacted with the cross bar 13, a first spring 16 is fixedly installed at one end of the limit stop lever 15 close to the second baffle 14, one end of the first spring 16 far away from the limit stop lever 15 is fixedly installed with one side of the second baffle 14 close to the limit stop lever 15, a second spring 17 is movably sleeved on the T-shaped bar 8, two ends of the second spring 17 are respectively fixedly installed with the inner wall of the bottom of the mounting seat 3 and the transverse plate 9, a rope belt 20 is wound and fixed on the winding shaft 4, one end of the rope belt 20 far away from the winding shaft 4 extends out of the mounting seat 3 and is fixedly installed with a hook 21 matched with the, when a chemical experiment is carried out, firstly, a hook 21 is hung in a pull ring 2, then the pull ring is worn on the head, the pull ring is matched with a rope belt 20 through a winding shaft 4, a circular plate 5, a first baffle plate 6, a circular groove 7, a transverse plate 9, a first vertical rod 10, a second vertical rod 12, a transverse rod 13, a second baffle plate 14, a limiting stop rod 15, a first spring 16, a second spring 17, a limiting block 18 and a limiting groove 19, the T-shaped rod 8 is rotated in the forward direction, the T-shaped rod 8 drives the winding shaft 4 to wind the rope belt 20, the winding shaft 4 drives a plurality of first baffle plates 6 to rotate through the circular plate 5, the plurality of first baffle plates 6 sequentially extrude and incline the second baffle plate 14, the second baffle plate 14 drives the transverse rod 13 to incline and compress the first spring 16, the transverse rod 13 rotates on the outer side of the second vertical rod 12, the transverse rod 13 is separated from the limiting stop rotating until the rope belt 20 is adjusted to the length suitable for the head, and the T-, at the moment, the first spring 16 in a compressed state drives the second baffle 14 to reset, the limiting stop lever 15 limits the cross rod 13, the cross rod 13 limits and locks the first baffle 6 through the second baffle 14, when the goggles need to be taken down after the experiment is completed, the T-shaped rod 8 is pulled downwards, the T-shaped rod 8 drives the cross plate 9 to slide downwards in the mounting seat 3 and compress the second spring 17, meanwhile, the cross plate 9 drives the first vertical rod 10 to move downwards, the first vertical rod 10 drives the cross rod 13 to move downwards through the second vertical rod 12, the cross rod 13 drives the second baffle 14 to move downwards and stagger with the first baffle 6, at the moment, the T-shaped rod 8 can be reversed, the T-shaped rod 8 drives the winding shaft 4 to release the rope belt 20, the goggles can be taken down, the length of the rope belt 20 can be adjusted so as to be suitable for each student, and the goggles body 1 can be prevented from falling off in the experiment due to insecure of the belt, the safety goggles are simple in structure, the length of the rope belt 20 can be adjusted to be suitable for each student, the goggles body 1 is prevented from falling off in the experiment due to the fact that the belt is not firm, and the safety goggles are beneficial to protecting eyes in the experiment.
In the invention, two limiting grooves 19 are symmetrically arranged on the side wall of a circular groove 7, limiting blocks 18 are fixedly arranged on the outer side of a T-shaped rod 8 and are connected in the two limiting grooves 19 in a sliding manner, a first circular through hole is arranged on the inner wall of the bottom of an installation seat 3, the inner side of the first circular through hole is in movable contact with the outer side of the T-shaped rod 8, a second circular through hole is arranged at the top of a transverse rod 9, a first bearing is fixedly sleeved in the second circular through hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the T-shaped rod 8, a third circular through hole is arranged at the top of the transverse rod 13, a second bearing is fixedly arranged on the inner side of the third circular through hole, the inner ring of the second bearing is fixedly sleeved with the outer side of a second vertical rod 12, a fourth circular through hole is arranged on the inner wall of one side of the installation seat 3, the inner side of, and the sliding chute is connected with a sliding rail fixedly arranged on the side wall of the mounting seat 3 in a sliding way, when a chemical experiment is carried out, firstly, the hook 21 is hung in the pull ring 2, then the pull ring is worn on the head, the pull ring is matched with the rope belt 20 through the winding shaft 4, the circular plate 5, the first baffle plate 6, the circular groove 7, the transverse plate 9, the first vertical rod 10, the second vertical rod 12, the transverse rod 13, the second baffle plate 14, the limit stop rod 15, the first spring 16, the second spring 17, the limit block 18 and the limit groove 19, the T-shaped rod 8 is rotated in the forward direction, the T-shaped rod 8 drives the winding shaft 4 to wind the rope belt 20, meanwhile, the winding shaft 4 drives the plurality of first baffle plates 6 to rotate through the circular plate 5, the plurality of first baffle plates 6 sequentially extrude and incline the second baffle plate 14, the second baffle plate 14 drives the transverse rod 13 to incline and compress the first spring 16, the transverse rod 13 rotates on the outer side of the second vertical rod 12, until the length of the rope belt 20 is adjusted to be suitable for the head, the T-shaped rod 8 stops rotating, the first spring 16 in a compressed state drives the second baffle 14 to reset, the limiting baffle rod 15 limits the cross rod 13, the cross rod 13 limits and locks the first baffle 6 through the second baffle 14, when the experiment is completed and goggles need to be taken down, the T-shaped rod 8 is pulled downwards, the T-shaped rod 8 drives the cross plate 9 to slide downwards in the mounting seat 3 and compress the second spring 17, meanwhile, the cross plate 9 drives the first vertical rod 10 to move downwards, the first vertical rod 10 drives the cross rod 13 to move downwards through the second vertical rod 12, the cross rod 13 drives the second baffle 14 to move downwards and is staggered with the first baffle 6, at the moment, the T-shaped rod 8 can be reversed, the T-shaped rod 8 drives the winding shaft 4 to release the rope belt 20 and is taken down, so that the length of the goggles 20 can be adjusted, the safety goggles are simple in structure, can adjust the length of the rope belt 20, are suitable for each student, avoid the safety goggles body 1 from falling off in the experiment due to the insecurity of the belt, and are beneficial to protecting eyes in the experiment.
The working principle is as follows: when a chemical experiment is carried out, firstly, a hook 21 is hung in a pull ring 2, then the pull ring is worn on the head, a T-shaped rod 8 is rotated in the forward direction, a limiting block 18 is matched with a limiting groove 19, the T-shaped rod 8 drives a winding shaft 4 to rotate, the winding shaft 4 winds a rope belt 20, meanwhile, the winding shaft 4 drives a circular plate 5 to rotate, the circular plate 5 drives a plurality of first baffles 6 to rotate, the plurality of first baffles 6 sequentially extrude and incline a second baffle 14, the second baffle 14 drives a cross rod 13 to incline and compress a first spring 16, the cross rod 13 rotates on the outer side of a second vertical rod 12, meanwhile, the cross rod 13 is separated from the limiting baffle 15 until the rope belt 20 is adjusted to the length suitable for the head, the T-shaped rod 8 stops rotating, the pressure of the head on the rope belt 20 drives the winding shaft 4 to rotate in a reverse direction, the winding shaft 4 drives a plurality of first baffles 6 to rotate in a reverse direction through the circular plate 5, at the moment, the first spring 16 in a compression, the limiting stop lever 15 limits the cross rod 13, the cross rod 13 limits the second baffle 14, the second baffle 14 limits and locks the first baffle 6, when the goggles body 1 needs to be taken down after the experiment is completed, the T-shaped rod 8 is pulled downwards to be matched with the slide rail through the cross plate 9 and the slide groove, the T-shaped rod 8 drives the cross plate 9 to slide downwards in the mounting seat 3 and compress the second spring 17, meanwhile, the cross plate 9 drives the first vertical rod 10 to move downwards, the first vertical rod 10 drives the cross rod 13 to move downwards through the second vertical rod 12, the cross rod 13 drives the second baffle 14 to move downwards and stagger with the first baffle 6, at the moment, the T-shaped rod 8 can be reversed, the T-shaped rod 8 drives the winding shaft 4 to release the rope belt 20, the goggles can be taken down, the length of the rope belt 20 can be adjusted, the goggles body 1 is suitable for each student, and the goggles body 1 is prevented from falling off in the experiment due to insecure belt, is beneficial to protecting eyes in experiments.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The high school chemistry experiment protection device comprises a goggles main body (1), wherein a pull ring (2) is fixedly mounted at the top of the goggles main body (1), and is characterized in that a mounting seat (3) is fixedly mounted at the bottom of the goggles main body (1), the mounting seat (3) is of a hollow structure, a winding shaft (4) is rotatably mounted on the inner wall of the top of the mounting seat (3), a circular plate (5) is fixedly sleeved at the outer side of the winding shaft (4), a plurality of first baffles (6) are fixedly mounted at the outer side of the circular plate (5), a circular groove (7) is formed in one end, away from the goggles main body (1), of the winding shaft (4), a T-shaped rod (8) is sleeved in the circular groove (7), a transverse plate (9) slidably mounted on the side wall of the mounting seat (3) is rotatably sleeved at the outer side of the T-shaped rod (8), and a first vertical rod (10) is fixedly mounted on one side of, one side of the first vertical rod (10) close to the circular plate (5) is provided with a groove (11), the inner wall of the top part and the inner wall of the bottom part of the groove (11) are fixedly provided with a second vertical rod (12), the outer side of the second vertical rod (12) is rotatably sleeved with a cross rod (13), one end of the cross rod (13) far away from the first vertical rod (10) is fixedly provided with a second baffle (14), the second baffle (14) is matched with the first baffle (6), one side of the cross rod (13) is provided with a limit stop lever (15) fixedly arranged with the side wall of the groove (11), the limit stop lever (15) is contacted with the cross rod (13), one end of the limit stop lever (15) close to the second baffle (14) is fixedly provided with a first spring (16), and one end of the first spring (16) far away from the limit stop lever (15) is fixedly arranged with one side of the second baffle (14) close to the limit stop lever (15, the T-shaped rod (8) is movably sleeved with a second spring (17), two ends of the second spring (17) are fixedly installed with the inner wall of the bottom of the installation seat (3) and the transverse plate (9) respectively, the winding shaft (4) is wound and fixed with a rope belt (20), one end, far away from the winding shaft (4), of the rope belt (20 extends out of the installation seat (3) and is fixedly provided with a hook (21) matched with the pull ring (2), when a chemical experiment is carried out, the hook (21) is firstly hung in the pull ring (2) and then worn on the head, the T-shaped rod (8) is rotated forwards, the T-shaped rod (8) drives the winding shaft (4) to wind the rope belt (20), meanwhile, the winding shaft (4) drives the first baffles (6) to rotate through the circular plate (5), the first baffles (6) sequentially extrude and incline the second baffles (14), and the second baffles (14) drive the transverse plate (13) to incline and compress the first spring (16), the cross rod (13) rotates outside the second vertical rod (12), the cross rod (13) is separated from the limiting stop lever (15) at the same time until the rope belt (20) is adjusted to the length suitable for the head, the T-shaped rod (8) stops rotating, when the goggles need to be taken down after the experiment is completed, the T-shaped rod (8) is pulled downwards, the T-shaped rod (8) drives the transverse plate (9) to slide downwards in the mounting seat (3) and compress the second spring (17), the transverse plate (9) drives the first vertical rod (10) to move downwards, the first vertical rod (10) drives the cross rod (13) to move downwards through the second vertical rod (12), the cross rod (13) drives the second baffle (14) to move downwards and is staggered with the first baffle (6), the T-shaped rod (8) can be reversed at the moment, the T-shaped rod (8) drives the winding shaft (4) to release the rope belt (20) and take down the goggles, so that the length of the string (20) can be adjusted.
2. The high school chemical experiment protection device according to claim 1, wherein two limiting grooves (19) are symmetrically formed in the side wall of the circular groove (7), and limiting blocks (18) fixedly mounted on the outer sides of the T-shaped rods (8) are connected in the two limiting grooves (19) in a sliding manner.
3. The high school chemical experiment protection device according to claim 1, wherein a first circular through hole is formed in the inner wall of the bottom of the mounting seat (3), and the inner side of the first circular through hole is in movable contact with the outer side of the T-shaped rod (8).
4. The high school chemical experiment protector as claimed in claim 1, wherein a second circular through hole is formed in the top of the transverse plate (9), a first bearing is fixedly sleeved in the second circular through hole, and an inner ring of the first bearing is fixedly sleeved on the outer side of the T-shaped rod (8).
5. The high school chemical experiment protection device according to claim 1, wherein a third circular through hole is formed in the top of the cross rod (13), a second bearing is fixedly mounted on the inner side of the third circular through hole, and the inner ring of the second bearing is fixedly sleeved with the outer side of the second vertical rod (12).
6. The high school chemical experiment protection device according to claim 1, wherein a fourth circular through hole is formed in the inner wall of one side of the mounting seat (3), and the inner side of the fourth circular through hole is in movable contact with the rope belt (20).
7. The high school chemical experiment protection device according to claim 1, wherein sliding grooves are formed in both sides of the transverse plate (9), and sliding rails fixedly mounted on the side walls of the mounting base (3) are connected in the sliding grooves in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550233.7A CN108761833B (en) | 2018-05-31 | 2018-05-31 | High school's chemistry experiment protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550233.7A CN108761833B (en) | 2018-05-31 | 2018-05-31 | High school's chemistry experiment protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108761833A CN108761833A (en) | 2018-11-06 |
| CN108761833B true CN108761833B (en) | 2020-03-24 |
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ID=64001434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550233.7A Expired - Fee Related CN108761833B (en) | 2018-05-31 | 2018-05-31 | High school's chemistry experiment protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761833B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1080316A (en) * | 1996-09-10 | 1998-03-31 | Nobuo Fukuma | Suspension length adjusting type baggage suspending device |
| GB201316232D0 (en) * | 2013-09-12 | 2013-10-30 | Hicks Richard B | Combined strap and handle assembly |
| CN204444403U (en) * | 2014-12-26 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of safety cap and self-checking device |
| CN205930405U (en) * | 2016-04-29 | 2017-02-08 | 广州铁路职业技术学院 | A handle device for can regulate and control in subway carriage |
| CN206822880U (en) * | 2016-12-30 | 2018-01-02 | 浙江省肿瘤医院 | A kind of drainage system fixator |
| CN106742586B (en) * | 2017-01-17 | 2018-03-16 | 福州大学 | Two-way free self-locking inverted suspension device and its method of work |
| CN207216140U (en) * | 2017-10-13 | 2018-04-10 | 深圳多维新城数字展示科技有限公司 | Augmented reality telescope interactive device |
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2018
- 2018-05-31 CN CN201810550233.7A patent/CN108761833B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN108761833A (en) | 2018-11-06 |
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