CN114768341B - Transformer oil sampling device - Google Patents
Transformer oil sampling device Download PDFInfo
- Publication number
- CN114768341B CN114768341B CN202210567454.1A CN202210567454A CN114768341B CN 114768341 B CN114768341 B CN 114768341B CN 202210567454 A CN202210567454 A CN 202210567454A CN 114768341 B CN114768341 B CN 114768341B
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- CN
- China
- Prior art keywords
- glass
- plate
- ring
- plug
- iron ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005070 sampling Methods 0.000 title claims description 15
- 239000011521 glass Substances 0.000 claims abstract description 127
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims description 16
- 239000005338 frosted glass Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000005337 ground glass Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an oil sample taking device for a transformer, which comprises a glass bottle, wherein the surface of the glass bottle is provided with scale marks, the upper end of the glass bottle is fixedly connected with a bottleneck, and a rubber sleeve arranged on the outer side of the lower end of the glass bottle is matched with a concave part of an iron ring plate through a glass top cover and the bottleneck, so that a first layer of sealing protection can be provided for an oil sample which is taken in the inner side of the glass bottle, then the glass top cover is stacked and installed at the upper end of the iron ring plate through the matching of a glass ring and an annular groove at the lower end of the first plug plate, the upper end of the iron ring plate is extruded and positioned through the glass ring, and meanwhile, the second sealing protection is achieved, and then the first plug plate is correspondingly embedded with the upper end of a fixed block to realize the third sealing protection of the oil sample in the glass bottle by a sealing cover assembly.
Description
Technical Field
The invention relates to the technical field of transformer oil sampling of power systems, in particular to a transformer oil sampling device.
Background
A large number of transformer devices are arranged in the power system, transformer oil is stored in the transformer devices, and the transformer oil has much higher insulating strength than air; the insulating material is immersed in oil, so that not only can the insulating strength be improved, but also the insulating material can be prevented from being corroded by moisture, and the specific heat of the transformer oil is high, so that the insulating material can be used as a coolant; the heat that produces when the transformer operation makes the oil that is close to iron core and winding thermal expansion rise, and through the upper and lower convection current of oil, the heat passes through the radiator and looses, can guarantee transformer normal operating, therefore it is indispensable to sample analysis of transformer oil specific condition, consequently just needs to use a portable easy-to-operate's sampling device help staff to sample.
The existing transformer oil sampling device is difficult to take a glass bottle when hands of workers are stained with oil stains, and the risk of slipping exists, so that the total amount of oil sample collection cannot be intuitively displayed, impurities carried in an oil sample or an oil discharge port cannot be filtered, and the problem of blocking moisture resistance of outside air when the oil sample is stored in multiple sealing mode cannot be solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides an oil sample taking device of a transformer, which comprises a glass bottle, wherein the surface of the glass bottle is provided with scale marks, the upper end of the glass bottle is fixedly connected with a bottle neck, and a rubber sleeve is arranged on the outer side of the lower end of the glass bottle, an observation window is arranged on the outer side of the rubber sleeve, a sealing cover assembly is movably arranged at the upper end of the bottle neck, an iron ring plate is arranged on the inner side of the bottle neck, the middle part of the lower end of the iron ring plate is fixedly connected with a filter hopper, and the iron ring plate is arranged at the upper end of the glass bottle through the bottle neck;
the sealing cover assembly comprises a glass top cover, the lower end of the glass top cover is fixedly connected with a first plug plate, the lower end of the first plug plate is fixedly connected with a second plug plate, the lower end of the second plug plate is fixedly connected with a frosted glass plug, the lower end of the second plug plate is embedded and provided with a glass ring, the side of the second plug plate is movably provided with a rubber ring, and the glass top cover is matched and arranged on a bottle neck through a filter bucket in the middle of the frosted glass plug and the iron ring plate.
Preferably, the rubber sleeve is arranged at the bottom end of the glass bottle in a sleeved mode, and an observation window formed in the outer side of the rubber sleeve is correspondingly matched with scale marks on the surface of the glass bottle.
Preferably, the glass top cover, the first plug plate, the second plug plate and the frosted glass plug are made of glass materials, the inner side wall of the bottleneck is provided with fixing blocks in a circular array, the bottom of the bottleneck is provided with limiting grooves, glass baffle rings are used for being inserted into the limiting grooves, the contact area between the lower end of the iron ring plate and the inner side of the bottleneck is enlarged, the oil sample is doubly blocked by combining the circular ring walls, and impurities carried in the oil sample are prevented from directly entering the glass bottle through the lower end of the iron ring plate.
Preferably, the glass ring is provided with glass protruding blocks on one side close to the rubber ring, the glass protruding blocks are arranged on the glass ring in a circular array, the glass ring penetrates through the second plug plate through the glass protruding blocks to be inserted and installed with the rubber ring, and the rubber ring is sleeved on the side face of the second plug plate to be installed.
Preferably, the lower end of the glass top cover is correspondingly embedded with the upper port of the fixed block through the first plug plate.
Preferably, the ground glass plug is matched with the concave part of the iron ring plate through the glass top cover and the bottleneck.
Preferably, the side of the iron ring plate is provided with notches in a circular array, the notches on the side of the iron ring plate are matched with the fixing blocks on the inner side of the bottleneck, and the iron ring plate is matched with the fixing blocks on the inner side of the bottleneck through the notches and the fixing blocks for embedding and mounting.
Preferably, the annular groove is formed in the upper end surface of the iron ring plate, and the glass top cover is matched with the annular groove through the glass ring at the lower end of the first plug plate to be positioned at the upper end of the iron ring plate in a stacked mode, so that the iron ring plate is prevented from shaking up and down.
Preferably, the fixed glass that is provided with of iron ring board lower extreme keeps off the ring, just the outside of glass keeps off the ring is provided with the ring wall, the iron ring board passes through glass and keeps off ring and spacing groove cooperation and bottleneck gomphosis installation, the filter bucket passes through iron ring board and bottleneck movable mounting, the filter bucket is used for filtering impurity.
The invention provides an oil sampling device for a transformer. The beneficial effects are as follows:
1. this transformer oil sampling device, the observation window that sets up through rubber sleeve surface is corresponding with the scale mark that glass bottle surface set up, conveniently observes the collection total amount of oil sample, and utilizes the frictional force of rubber sleeve increase hand and glass bottle contact surface, avoids wiping greasy dirt in-process hand and is stained with greasy dirt, takes place the landing when taking the glass bottle again.
2. This transformer oil sampling device, through glass top cap and bottleneck cooperation with the recess looks adaptation of ground glass stopper and hoop board, can provide first layer sealed protection for the oil appearance that is received the glass bottle inboard, then through glass ring and the ring channel cooperation of first cock plate lower extreme, stack the installation with the upper end that the glass top cap is located the hoop board, utilize the glass ring to carry out extrusion location to hoop board upper end, play the second and seal the protection, then through the corresponding gomphosis of the upper port of first cock plate with glass top cap and fixed block, realize the third heavy sealed protection of closing cap subassembly to the inside oil appearance of glass bottle, through above-mentioned operation, can carry out multiple sealed storage to the oil appearance, prevent that the oil appearance from revealing and wetting.
3. This transformer oil sampling device, through second stopper flange avris movable mounting's rubber ring, come effective separation outside air and impurity get into inside the glass bottle, and through the filter bucket of gomphosis installation in the bottleneck inboard, block external impurity, through above-mentioned operation, can play dual antipollution's guard action to the oil sample.
4. This transformer oil sampling device can carry out final filtration with not discharging clean impurity in oil sample and the oil drain port through the filter bucket, and the oil sample that the guarantee was collected is clean not impurity, utilizes glass baffle ring to enlarge the area of contact of iron ring plate lower extreme and bottleneck inboard, carries out dual blocking to the oil sample through combining the ring wall, avoids the impurity that carries in the oil sample directly to get into in the glass bottle through the lower extreme of iron ring plate.
Drawings
FIG. 1 is a schematic diagram of an assembled structure of a bottleneck and an iron ring plate of the present invention;
FIG. 2 is a schematic diagram of the external structure of a transformer oil sampling device according to the present invention;
FIG. 3 is a schematic view of the structure of the closure assembly of the present invention;
FIG. 4 is a schematic view of the structure of the rubber ring and glass ring of the present invention;
FIG. 5 is a partial cross-sectional view of a glass top cover of the present invention;
FIG. 6 is a schematic view of the structure of the iron ring plate and the filter funnel of the present invention;
FIG. 7 is a front view of the collar plate and filter basket of the present invention;
FIG. 8 is a schematic view of the assembled structure of the closure assembly and neck of the present invention;
FIG. 9 is a schematic view of the rubber sleeve of the present invention.
In the figure: 1. a glass bottle; 2. a bottleneck; 3. a rubber sleeve; 4. an observation window; 5. a capping assembly; 51. a glass top cover; 52. a first plug plate; 53. a second plug plate; 54. a frosted glass plug; 55. a rubber ring; 56. a glass ring; 57. a glass bump; 6. a fixed block; 7. a ferrous ring plate; 8. a filter bucket; 9. an annular groove; 10. a glass baffle ring; 11. a circular ring wall; 12. and (5) a notch.
Detailed Description
Example 1
As shown in fig. 1, 2, 6, 7 and 9, the present invention provides a technical solution: the transformer oil sampling device comprises a glass bottle 1, wherein scale marks are arranged on the surface of the glass bottle 1, the upper end of the glass bottle 1 is fixedly connected with a bottle neck 2, a rubber sleeve 3 is arranged on the outer side of the lower end of the glass bottle 1, an observation window 4 is arranged on the outer side of the rubber sleeve 3, a sealing cover component 5 is movably arranged at the upper end of the bottle neck 2, an iron ring plate 7 is arranged on the inner side of the bottle neck 2, a filter bucket 8 is fixedly connected in the middle of the lower end of the iron ring plate 7, and the iron ring plate 7 is arranged at the upper end of the glass bottle 1 through the bottle neck 2; the rubber sleeve 3 is arranged at the bottom end of the glass bottle 1 in a sleeved mode, and an observation window 4 arranged at the outer side of the rubber sleeve 3 is correspondingly matched with scale marks on the surface of the glass bottle 1.
When in use, the first step is as follows: during sampling, the oil drain plug is firstly twisted off, and then the oil outlet valve is rotated to enable oil to flow outwards for 3 seconds;
and a second step of: taking the sealing cover assembly 5 embedded on the bottle neck 2, checking that the filter hopper 8 at the lower end of the iron ring plate 7 is positioned at the middle part of the inner side of the bottle neck 2, aligning the upper port of the bottle neck 2 with the oil discharge port, closing the oil outlet valve when the oil reaches half of the glass bottle 1, and processing the middle part of the sealing cover assembly 5 corresponding to the iron ring plate 7 to cover the upper end of the bottle neck 2 so as to carry out simplified experiments and chromatographic experiments;
and a third step of: after the oil sample is taken, cleaning an oil discharge port and the periphery of oil discharge by using clean white cloth, checking whether an oil outlet valve is closed in place, tightening an oil discharge plug, and cleaning field broken cloth and sundries;
through the oil drain 3 seconds, with the hydraulic fluid port sanitization, during the impurity mix into the oil appearance in the time of avoiding the sample, the observation window 4 of seting up through rubber sleeve 3 surface is corresponding with the scale mark that glass bottle 1 surface set up, conveniently observes the collection total amount of oil appearance, and utilizes rubber sleeve 3 increase hand and glass bottle 1 contact surface's frictional force, avoids wiping greasy dirt in-process hand and is stained with the greasy dirt, takes place the landing when taking glass bottle 1 again.
Example 2
As shown in fig. 3, 4, 5 and 8, the cover assembly 5 comprises a glass top cover 51, the lower end of the glass top cover 51 is fixedly connected with a first plug plate 52, the lower end of the first plug plate 52 is fixedly connected with a second plug plate 53, the lower end of the second plug plate 53 is fixedly connected with a frosted glass plug 54, the lower end of the second plug plate 53 is embedded and provided with a glass ring 56, the side of the second plug plate 53 is movably provided with a rubber ring 55, and the glass top cover 51 is matched and arranged on the bottle neck 2 through a filter hopper 8 in the middle of the frosted glass plug 54 and an iron ring plate 7; the glass top cover 51, the first plug plate 52, the second plug plate 53 and the frosted glass plug 54 are all made of glass materials, the inner side wall of the bottle neck 2 is provided with fixed blocks 6 in a circular array, and the bottom of the bottle neck 2 is provided with a limit groove; glass lugs 57 are arranged on one side, close to the rubber ring 55, of the glass ring 56, the glass lugs 57 are arranged on the glass ring 56 in a circular array, the glass ring 56 penetrates through the second plug plate 53 through the glass lugs 57 to be inserted and installed with the rubber ring 55, and the rubber ring 55 is sleeved and installed on the side face of the second plug plate 53; the lower end of the glass top cover 51 is correspondingly embedded with the upper port of the fixed block 6 through the first plug plate 52; the frosted glass plug 54 is matched with the concave part of the iron ring plate 7 through the glass top cover 51 and the bottle neck 2.
When the sealing device is used, the glass top cover 51 is matched with the bottleneck 2 to enable the frosted glass plug 54 to be matched with the concave part of the iron ring plate 7, so that a first layer of sealing protection can be provided for an oil sample which is received into the inner side of the glass bottle 1, then the glass top cover 51 is stacked and installed at the upper end of the iron ring plate 7 through the matching of the glass ring 56 and the annular groove 9 at the lower end of the first plug plate 52, the upper end of the iron ring plate 7 is extruded and positioned through the glass ring 56, meanwhile, a second sealing protection is achieved, then the glass top cover 51 is correspondingly embedded with the upper end of the fixed block 6 through the first plug plate 52, the third sealing protection of the oil sample in the glass bottle 1 by the sealing cover assembly 5 is realized, and multiple sealing storage can be carried out on the oil sample to prevent the oil sample from leaking through the operation;
under long-term use, because the lower end side of the glass top cover 51 and the upper end side of the bottle neck 2 are easy to wear, the rubber ring 55 movably mounted on the side of the second plug plate 53 can effectively block outside air and impurities from entering the glass bottle 1, and the filter bucket 8 mounted on the inner side of the bottle neck 2 is embedded to block the outside impurities, so that the oil sample can be protected against double pollution through the operation.
Example 3
As shown in fig. 1, 6, 7 and 8, the side of the iron ring plate 7 is provided with notches 12 in a circular array, the notches 12 on the side of the iron ring plate 7 are matched with the fixed blocks 6 on the inner side of the bottle neck 2, and the iron ring plate 7 is matched with the fixed blocks 6 on the inner side of the bottle neck 2 through the notches 12 in a jogged mode; the upper end surface of the iron ring plate 7 is provided with an annular groove 9, and the glass top cover 51 is overlapped and installed at the upper end of the iron ring plate 7 by matching the glass ring 56 at the lower end of the first plug plate 52 with the annular groove 9; the fixed glass that is provided with of iron ring plate 7 lower extreme keeps off ring 10, and the outside of glass keeps off ring 10 is provided with ring wall 11, and iron ring plate 7 is through glass keeps off ring 10 and spacing groove cooperation and bottleneck 2 gomphosis installation, and filter bucket 8 is through iron ring plate 7 and bottleneck 2 movable mounting, and filter bucket 8 is used for filtering impurity.
During the use, can carry out final filtration with not discharging clean impurity in oil appearance and the oil drain port through filter bucket 8, guarantee that the oil appearance of collecting is clean no impurity, utilize glass baffle ring 10 to enlarge the area of contact of iron ring plate 7 lower extreme and bottleneck 2 inboard, through combining ring wall 11 to carry out dual blocking to the oil appearance, avoid the impurity that carries in the oil appearance directly to get into in the glass bottle 1 through iron ring plate 7's lower extreme.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (1)
1. The utility model provides a transformer oil sampling device, specifically includes glass bottle (1), the surface of glass bottle (1) is provided with scale mark, its characterized in that: the glass bottle is characterized in that the upper end of the glass bottle (1) is fixedly connected with a bottle neck (2) and a rubber sleeve (3) arranged on the outer side of the lower end of the glass bottle (1), an observation window (4) is formed in the outer side of the rubber sleeve (3), a sealing cover assembly (5) is movably mounted at the upper end of the bottle neck (2), an iron ring plate (7) is mounted on the inner side of the bottle neck (2), a filter hopper (8) is fixedly connected in the middle of the lower end of the iron ring plate (7), and the iron ring plate (7) is mounted at the upper end of the glass bottle (1) through the bottle neck (2);
the sealing cover assembly (5) comprises a glass top cover (51), a first plug plate (52) is fixedly connected to the lower end of the glass top cover (51), a second plug plate (53) is fixedly connected to the lower end of the first plug plate (52), a frosted glass plug (54) is fixedly connected to the lower end of the second plug plate (53), a glass ring (56) is embedded and installed at the lower end of the second plug plate (53), a rubber ring (55) is movably installed on the side of the second plug plate (53), and the glass top cover (51) is installed on a bottle neck (2) in a matched mode through a filter bucket (8) in the middle of the frosted glass plug (54) and an iron ring plate (7);
the rubber sleeve (3) is sleeved and installed at the bottom end of the glass bottle (1), and an observation window (4) formed in the outer side of the rubber sleeve (3) is correspondingly matched with scale marks on the surface of the glass bottle (1);
the glass top cover (51), the first plug plate (52), the second plug plate (53) and the frosted glass plug (54) are all made of glass materials, the inner side wall of the bottleneck (2) is provided with fixed blocks (6) in a circular array, and the bottom of the bottleneck (2) is provided with a limit groove;
glass lugs (57) are arranged on one side, close to the rubber ring (55), of the glass ring (56), the glass lugs (57) are arranged on the glass ring (56) in a circular array, the glass ring (56) penetrates through the second plug plate (53) through the glass lugs (57) to be inserted and installed with the rubber ring (55), and the rubber ring (55) is arranged on the side face of the second plug plate (53) in a sleeved mode;
the lower end of the glass top cover (51) is correspondingly embedded with the upper port of the fixed block (6) through a first plug plate (52);
the Mao Boli plug (54) is matched with the concave part of the iron ring plate (7) through the matching of the glass top cover (51) and the bottleneck (2);
the side of the iron ring plate (7) is provided with notches (12) in a circular array, the notches (12) on the side of the iron ring plate (7) are matched with the fixed blocks (6) on the inner side of the bottle neck (2), and the iron ring plate (7) is matched with the fixed blocks (6) through the notches (12) and is arranged on the inner side of the bottle neck (2) in a jogged mode;
an annular groove (9) is formed in the upper end surface of the iron ring plate (7), and the glass top cover (51) is stacked and installed at the upper end of the iron ring plate (7) in a matched mode through a glass ring (56) at the lower end of the first plug plate (52) and the annular groove (9);
the utility model discloses a filter, including iron ring board (7), filter funnel (8), glass baffle ring (10) are fixedly arranged at the lower extreme of iron ring board (7), just the outside of glass baffle ring (10) is provided with ring wall (11), iron ring board (7) are through glass baffle ring (10) and spacing groove cooperation and bottleneck (2) gomphosis installation, filter funnel (8) are through iron ring board (7) and bottleneck (2) movable mounting, filter funnel (8) are used for filtering impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567454.1A CN114768341B (en) | 2022-05-23 | 2022-05-23 | Transformer oil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567454.1A CN114768341B (en) | 2022-05-23 | 2022-05-23 | Transformer oil sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114768341A CN114768341A (en) | 2022-07-22 |
| CN114768341B true CN114768341B (en) | 2024-02-09 |
Family
ID=82409525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567454.1A Active CN114768341B (en) | 2022-05-23 | 2022-05-23 | Transformer oil sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114768341B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190425486A (en) * | 1904-11-23 | 1905-09-21 | Heinrich Christian Radbruch | Improvements in and relating to Stoppers for Bottles, Jars and like Receptacles. |
| JPH1095451A (en) * | 1996-09-12 | 1998-04-14 | Comar Inc | Outside cap assembly for small glass bottle |
| CN202014974U (en) * | 2011-04-29 | 2011-10-26 | 吴世维 | Silicon rubber protective sleeve for glass drinking bottle |
| CN206172164U (en) * | 2016-11-14 | 2017-05-17 | 广州科方生物技术股份有限公司 | Can carry high leakproofness's reagent bottle |
| CN213600418U (en) * | 2020-12-07 | 2021-07-02 | 自贡市妇幼保健院 | Hospital sewage sampling device |
| CN214525419U (en) * | 2020-11-02 | 2021-10-29 | 福建省建阳金石氟业有限公司 | Chemical industry is with corrosion-resistant waste storage bucket |
| CN216103663U (en) * | 2021-08-21 | 2022-03-22 | 瓦房店精成轴承科技有限公司 | Bearing retainer placing device convenient to take and store |
-
2022
- 2022-05-23 CN CN202210567454.1A patent/CN114768341B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190425486A (en) * | 1904-11-23 | 1905-09-21 | Heinrich Christian Radbruch | Improvements in and relating to Stoppers for Bottles, Jars and like Receptacles. |
| JPH1095451A (en) * | 1996-09-12 | 1998-04-14 | Comar Inc | Outside cap assembly for small glass bottle |
| CN202014974U (en) * | 2011-04-29 | 2011-10-26 | 吴世维 | Silicon rubber protective sleeve for glass drinking bottle |
| CN206172164U (en) * | 2016-11-14 | 2017-05-17 | 广州科方生物技术股份有限公司 | Can carry high leakproofness's reagent bottle |
| CN214525419U (en) * | 2020-11-02 | 2021-10-29 | 福建省建阳金石氟业有限公司 | Chemical industry is with corrosion-resistant waste storage bucket |
| CN213600418U (en) * | 2020-12-07 | 2021-07-02 | 自贡市妇幼保健院 | Hospital sewage sampling device |
| CN216103663U (en) * | 2021-08-21 | 2022-03-22 | 瓦房店精成轴承科技有限公司 | Bearing retainer placing device convenient to take and store |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114768341A (en) | 2022-07-22 |
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