CN113340797A - Ageing device for rubber products - Google Patents
Ageing device for rubber products Download PDFInfo
- Publication number
- CN113340797A CN113340797A CN202110494138.1A CN202110494138A CN113340797A CN 113340797 A CN113340797 A CN 113340797A CN 202110494138 A CN202110494138 A CN 202110494138A CN 113340797 A CN113340797 A CN 113340797A
- Authority
- CN
- China
- Prior art keywords
- plate
- aging test
- aging
- test box
- placing
- 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.)
- Pending
Links
- 230000032683 aging Effects 0.000 title claims abstract description 69
- 238000012360 testing method Methods 0.000 claims abstract description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides an aging device for rubber products, which relates to the field of rubber products and comprises an aging test box body and a placing plate, wherein the side surface of the placing plate is contacted with the inner side wall of the aging test box body; the support rods are positioned in the placing groove, and two ends of each support rod are connected to the side wall of the placing groove; be fixed in the cylinder of bottom in the aging test box and be fixed in the shrouding of cylinder output shaft, after the shrouding contacts with the lower surface of placing the board, seal the through-hole. The limiting block is arranged on the inner side wall of the aging test box body; in the aging test box body, the upper cavity is arranged above the upper surface of the placing plate, the lower cavity is arranged below the lower surface of the placing plate, and the inner wall of the aging test box body is provided with an inlet, an outlet and a communicating opening. Through this device, the sample that is absorbed by the aspirator pump can used repeatedly, has improved the oxygen utilization ratio.
Description
Technical Field
The invention relates to the field of rubber products, in particular to an aging device for a rubber product.
Background
Aging is one of the main causes of the deterioration of rubber properties. Since the aging process is different due to different formulas and use conditions of the product, the aging process needs to be measured and evaluated through an aging test to evaluate the aging degree of the rubber and the influence of the aging degree on the performance. Wherein, the oxygen aging test time sample is placed in an aging test box, oxygen is filled in the aging test box, the aging test box is tested under heating and pressurizing, and after the test is finished and is placed at room temperature for a period of time, the performance change before and after the test is compared.
The applicant found that: after the aging test is finished, the box cover is generally directly opened, and a sample is taken out, so that residual oxygen in the box body can directly enter the atmosphere and cannot be recycled.
Disclosure of Invention
In view of this, an object of one or more embodiments of the present disclosure is to provide an aging apparatus for rubber products, so as to solve the technical problem in the prior art that after an aging test is completed, a box cover is generally directly opened, a sample is taken out, and thus oxygen remaining inside the box body directly enters the atmosphere and cannot be recycled.
In view of the above objects, one or more embodiments of the present specification provide an aging apparatus for a rubber product, including:
the aging test box comprises an aging test box body and a placing plate matched with the aging test box body, wherein the side surface of the placing plate is in contact with the inner side wall of the aging test box body, a placing groove is formed in the upper surface of the placing plate, and a through hole penetrating through the lower surface of the placing plate is formed in the bottom of the placing groove;
the supporting rods are positioned in the placing groove, and two ends of each supporting rod are connected to the side wall of the placing groove and used for supporting the rubber product;
be fixed in the cylinder of ageing test box bottom and be fixed in the shrouding of cylinder output shaft the shrouding contacts with the lower surface of placing the board after, seals the through-hole.
The limiting block is arranged on the inner side wall of the aging test box body and supports the placing plate after the sealing plate is separated from the placing plate;
in the aging test box body, the upper cavity is arranged above the upper surface of the placing plate, the lower cavity is arranged below the lower surface of the placing plate, the inner wall of the aging test box body is provided with an inlet, an outlet and a communicating port, the inlet is arranged in the lower cavity, the inlet is communicated with the oxygen box, the outlet and the communicating port are both arranged in the upper cavity, and the outlet is communicated with the air suction pump.
Furthermore, the device comprises an isolation sleeve, wherein the output shaft of the air cylinder is positioned in the isolation sleeve, one end of the isolation sleeve is fixed at the inner bottom of the aging test box, the other end of the isolation sleeve is fixed at the lower surface of the sealing plate, and the isolation sleeve is a corrugated pipe.
Further, including the curb plate, the curb plate is L shape, including diaphragm and riser, the edge of shrouding lower surface all is fixed in the up end of riser, and the relative tip fixed connection of adjacent riser, the one end of diaphragm and the inside wall contact of ageing test box make during the shrouding upward movement, import and the output shaft isolation of cylinder.
Furthermore, the lower electromagnet fixed in the sealing plate and the upper electromagnet fixed in the lower surface of the placing plate are included, and the upper electromagnet is opposite to the lower electromagnet.
Further, including the drive division, a plurality of the vaulting pole is parallel to each other, and the both ends of vaulting pole rotate with the inside wall of aging test case and be connected, the drive division is installed in the standing groove for the drive vaulting pole rotates.
Further, the driving part includes:
the driving plate is positioned below the support rods;
the supporting plates are provided with limiting grooves, one ends of the supporting plates are fixed on the inner side walls of the placing grooves, and the driving plates are connected with the limiting grooves in a sliding mode;
the gear is arranged on the support rod and meshed with the rack arranged on the upper surface of the driving plate;
the first electromagnet is fixed at both ends of the driving plate;
and the second electromagnet corresponds to the first electromagnet, is fixed in the side wall of the placing groove and is right opposite to the corresponding first electromagnet.
The invention has the beneficial effects that: when the aging device for rubber products is used for testing, a plug is plugged in a communication port, then a cylinder drives a sealing plate to seal a through hole, a placing block is driven to move upwards for a certain distance to facilitate placing of a sample, then the sample is sequentially placed between support rods, a box cover is closed after the completion, an output shaft of the cylinder contracts, the placing block moves downwards under the action of gravity, the placing block stops moving after falling to the limiting block, the output shaft of the cylinder continues to contract at the moment, the sealing plate is driven to move downwards for a certain distance to open the through hole, then an air suction pump is kept closed, an oxygen bottle is opened, oxygen in the oxygen bottle enters a lower cavity and enters an upper cavity through the through hole to act with the sample, after the testing time, the cylinder acts firstly to seal the through hole, then the air suction pump starts to absorb the oxygen in the upper cavity, and accomodate the holding vessel with it, after absorbing a period, because the atmospheric pressure of last intracavity is crossed lowly, causes the box to damage easily, opens the intercommunication mouth this moment, makes outside gas get into, at this moment after absorbing a period, stops absorbing, then opens the case lid, can take out the sample, and through this device, the sample that is absorbed by the aspirator pump can used repeatedly, has improved oxygen utilization ratio.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a first cross-sectional front view of an embodiment of the present invention;
FIG. 2 is a second front cross-sectional view of an embodiment of the present invention;
FIG. 3 is a top view of a placement block in an embodiment of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3.
Wherein, 1, aging test box body; 2. placing the plate; 3. a placement groove; 4. a stay bar; 5. a through hole; 6. a cylinder; 7. closing the plate; 8. a lower electromagnet; 9. electrifying an electromagnet; 10. a limiting block; 11. an isolation sleeve; 12. an inlet; 13. an outlet; 14. a side plate; 16. a drive plate; 17. a gear; 18. a supporting plate; 19. a limiting groove; 21. a first electromagnet; 22. a second electromagnet; 23. a communication port.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In view of the above object, a first aspect of the present invention provides an embodiment of an aging apparatus for rubber products, as shown in fig. 1 and 2, comprising:
the aging test box comprises an aging test box body 1 and a placing plate 2 matched with the aging test box body 1, wherein the side surface of the placing plate 2 is contacted with the inner side wall of the aging test box body 1, a placing groove 3 is arranged on the upper surface of the placing plate 2, and a through hole 5 penetrating through the lower surface of the placing plate 2 is arranged at the bottom of the placing groove 3;
the supporting rods 4 are positioned in the placing groove 3, and two ends of each supporting rod 4 are connected to the side wall of the placing groove 3 and used for supporting rubber products;
the cylinder 6 fixed at the bottom in the aging test box body 1 and the sealing plate 7 fixed on the output shaft of the cylinder 6 seal the through hole 5 after the sealing plate 7 contacts with the lower surface of the placing plate 2.
The limiting block 10 is arranged on the inner side wall of the aging test box body 1, and the limiting block 10 supports the placing plate 2 after the sealing plate 7 is separated from the placing plate 2;
in the aging test box 1, be located place 2 upper surfaces of board top for the epicoele, be located place 2 lower surfaces of board below for the cavity of resorption, 1 inner wall of aging test box is equipped with import 12, export 13 and intercommunication mouth 23, import 12 is located the cavity of resorption, and import 12 and oxygen case intercommunication, export 13 and intercommunication mouth 23 all are located the intracavity, and export 13 and aspirator pump intercommunication.
In the embodiment, during the test, the plug is firstly plugged in the communicating port 5, then the cylinder 6 drives the sealing plate 7 to seal the through hole 5 and drive the placing block to move upwards for a certain distance to facilitate placing of the sample, then the sample is sequentially placed between the support rods 4, after the test is completed, the box cover is closed, the output shaft of the cylinder 6 contracts, the placing block moves downwards under the action of gravity, after the placing block falls on the limiting block 10, the placing block stops moving, at the same time, the output shaft of the cylinder 6 continues to contract to drive the sealing plate 7 to move downwards for a certain distance to open the through hole 5, then the air suction pump is kept closed, the oxygen in the oxygen bottle is opened to enter the lower cavity and enter the upper cavity through the through hole 5 to react with the sample, after the test time is up, the cylinder 6 acts firstly to seal the through hole 5, then the air suction pump starts to absorb the oxygen in the upper cavity, and accomodate the holding vessel with it, after absorbing a period, because the atmospheric pressure of last intracavity is crossed lowly, causes the box to damage easily, opens intercommunication mouth 5 this moment, makes outside gas get into, at this moment after absorbing a period, stops absorbing, then opens the case lid, can take out the sample, and through this device, the sample that is absorbed by the aspirator pump can used repeatedly, has improved oxygen utilization ratio.
In this embodiment, as shown in fig. 1, including isolation sleeve, the output shaft of cylinder 6 is located isolation sleeve in, and isolation sleeve's one end is fixed in the interior bottom of ageing test box, and isolation sleeve's the other end is fixed in the lower surface of shrouding 7, isolation sleeve adopts the bellows, keeps apart cylinder 6 through isolation sleeve 11, avoids cylinder 6 to be by the oxidation.
In addition, as shown in fig. 2, the side plate 14 is provided with an L-shaped side plate 14, which includes a horizontal plate and a vertical plate, the edges of the lower surface of the sealing plate 7 are fixed to the upper end surfaces of the vertical plates, the opposite end portions of the adjacent vertical plates are fixedly connected, one end of the horizontal plate contacts with the inner side wall of the aging test chamber, so that when the sealing plate 7 moves upwards, the inlet 12 is isolated from the output shaft of the cylinder 6, and here, the space below the sealing plate 7 is isolated from the space above the sealing plate 7 by the side plate 14, so as to protect the cylinder 6.
In addition, as shown in fig. 2, the sealing plate comprises a lower electromagnet 8 fixed in the sealing plate 7 and an upper electromagnet 9 fixed in the lower surface of the placing plate 2, wherein the upper electromagnet is opposite to the lower electromagnet 8, so that after the sealing plate 7 seals the through hole 5, the upper electromagnet 9 and the lower electromagnet 8 are electrified to generate mutual attraction force, the sealing plate 7 and the placing plate 2 are in closer contact, and the sealing effect is better.
As an embodiment, as shown in fig. 3, the aging test device comprises a driving part, wherein a plurality of the support rods 4 are arranged in parallel, two ends of each support rod 4 are rotatably connected with the inner side wall of the aging test chamber, and the driving part is installed in the placing groove 3 and is used for driving the support rods 4 to rotate.
In this embodiment, when the sample is placed between the support rods 4, a part of the sample still contacts with the support rods 4, and the part is difficult to contact with oxygen sufficiently, so that after a period of time, the driving portion rotates the support rods 4 by a certain angle, so that the part of the sample moves out and contacts with oxygen sufficiently, and after a period of time, the driving portion rotates the support rods 4 reversely, so that the repeated action is performed, and it is ensured that each part of the sample contacts with oxygen sufficiently.
As an embodiment, as shown in fig. 3 and 4, the driving part includes:
a drive plate 16, wherein the drive plate 16 is positioned below the stay bar 4;
a plurality of supporting plates 18 provided with limiting grooves 19, wherein one ends of the supporting plates 18 are fixed on the inner side wall of the placing groove 3, and the driving plate 16 is connected with the limiting grooves 19 in a sliding manner;
a gear 17 arranged on the stay bar 4, wherein the gear 17 is meshed with a rack arranged on the upper surface of the driving plate 16;
the first electromagnet 21 is fixed at both ends of the driving plate 16;
and the second electromagnet 22 corresponds to the first electromagnet 21, the second electromagnet 22 is fixed in the side wall of the placing groove 3, and the second electromagnet 22 is opposite to the corresponding first electromagnet 21.
In this embodiment, when the first electromagnet 21 and the corresponding second electromagnet 22 at one end of the driving plate 16 generate a mutually attracting force and the first electromagnet 21 and the corresponding second electromagnet 22 at the other end of the driving plate 16 lose power, the driving plate 16 will move towards the second electromagnet 22 that gets power under the attraction force, so as to drive the strut 4 to rotate through the gear 17.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (6)
1. An aging apparatus for rubber products, characterized by comprising:
the aging test box comprises an aging test box body and a placing plate matched with the aging test box body, wherein the side surface of the placing plate is in contact with the inner side wall of the aging test box body, a placing groove is formed in the upper surface of the placing plate, and a through hole penetrating through the lower surface of the placing plate is formed in the bottom of the placing groove;
the supporting rods are positioned in the placing groove, and two ends of each supporting rod are connected to the side wall of the placing groove and used for supporting the rubber product;
the cylinder is fixed at the bottom in the aging test box body, and the sealing plate is fixed on an output shaft of the cylinder;
the limiting block is arranged on the inner side wall of the aging test box body and supports the placing plate after the sealing plate is separated from the placing plate;
in the aging test box body, the upper cavity is arranged above the upper surface of the placing plate, the lower cavity is arranged below the lower surface of the placing plate, the inner wall of the aging test box body is provided with an inlet, an outlet and a communicating port, the inlet is arranged in the lower cavity, the inlet is communicated with the oxygen box, the outlet and the communicating port are both arranged in the upper cavity, and the outlet is communicated with the air suction pump.
2. The aging apparatus for rubber products as claimed in claim 1, wherein the apparatus comprises an isolation sleeve, the output shaft of the cylinder is located in the isolation sleeve, one end of the isolation sleeve is fixed to the inner bottom of the aging test chamber, the other end of the isolation sleeve is fixed to the lower surface of the sealing plate, and the isolation sleeve is a corrugated pipe.
3. The aging device for the rubber products as claimed in claim 1, wherein the side plate is L-shaped and comprises a transverse plate and a vertical plate, the edges of the lower surface of the sealing plate are fixed on the upper end faces of the vertical plates, the opposite end portions of the adjacent vertical plates are fixedly connected, one end of the transverse plate is in contact with the inner side wall of the aging test box, and the inlet is isolated from the output shaft of the air cylinder when the sealing plate moves upwards.
4. The aging apparatus for rubber products as set forth in claim 1, wherein the aging apparatus comprises a lower electromagnet fixed in the closing plate and an upper electromagnet fixed in a lower surface of the placing plate, the upper electromagnet being opposed to the lower electromagnet.
5. The aging device for rubber products as claimed in claim 1, wherein the aging device comprises a driving part, wherein a plurality of the support rods are arranged in parallel, two ends of each support rod are rotatably connected with the inner side wall of the aging test chamber, and the driving part is installed in the placing groove and used for driving the support rods to rotate.
6. The aging apparatus for rubber products as set forth in claim 5, wherein said drive section comprises:
the driving plate is positioned below the support rods;
the supporting plates are provided with limiting grooves, one ends of the supporting plates are fixed on the inner side walls of the placing grooves, and the driving plates are connected with the limiting grooves in a sliding mode;
the gear is arranged on the support rod and meshed with the rack arranged on the upper surface of the driving plate;
the first electromagnet is fixed at both ends of the driving plate;
and the second electromagnet corresponds to the first electromagnet, is fixed in the side wall of the placing groove and is right opposite to the corresponding first electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494138.1A CN113340797A (en) | 2021-05-07 | 2021-05-07 | Ageing device for rubber products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494138.1A CN113340797A (en) | 2021-05-07 | 2021-05-07 | Ageing device for rubber products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113340797A true CN113340797A (en) | 2021-09-03 |
Family
ID=77469862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110494138.1A Pending CN113340797A (en) | 2021-05-07 | 2021-05-07 | Ageing device for rubber products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113340797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441429A (en) * | 2022-01-17 | 2022-05-06 | 安徽信息工程学院 | Automobile windshield wiper detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060238188A1 (en) * | 2005-02-15 | 2006-10-26 | Takashi Naitou | Burn-in apparatus |
| TWM537762U (en) * | 2016-11-11 | 2017-03-01 | zhao-chun Tian | Reciprocating electric motor |
| CN206684015U (en) * | 2017-04-26 | 2017-11-28 | 无锡索亚特试验设备有限公司 | A kind of ozone aging testing equipment emission-control equipment |
| CN209400391U (en) * | 2018-12-06 | 2019-09-17 | 安徽华电线缆股份有限公司 | A kind of power cable ageing oven |
| CN210180892U (en) * | 2019-06-25 | 2020-03-24 | 沈阳华孚橡塑制品有限公司 | Rubber anti-oxidation aging test box |
| CN211292498U (en) * | 2019-10-29 | 2020-08-18 | 上海广品试验设备制造有限公司 | Ozone aging test box with uniform ozone release |
| CN211979085U (en) * | 2020-04-10 | 2020-11-20 | 深圳市异科特电子技术检测有限公司 | Device for aging test of automobile electronic product |
-
2021
- 2021-05-07 CN CN202110494138.1A patent/CN113340797A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060238188A1 (en) * | 2005-02-15 | 2006-10-26 | Takashi Naitou | Burn-in apparatus |
| TWM537762U (en) * | 2016-11-11 | 2017-03-01 | zhao-chun Tian | Reciprocating electric motor |
| CN206684015U (en) * | 2017-04-26 | 2017-11-28 | 无锡索亚特试验设备有限公司 | A kind of ozone aging testing equipment emission-control equipment |
| CN209400391U (en) * | 2018-12-06 | 2019-09-17 | 安徽华电线缆股份有限公司 | A kind of power cable ageing oven |
| CN210180892U (en) * | 2019-06-25 | 2020-03-24 | 沈阳华孚橡塑制品有限公司 | Rubber anti-oxidation aging test box |
| CN211292498U (en) * | 2019-10-29 | 2020-08-18 | 上海广品试验设备制造有限公司 | Ozone aging test box with uniform ozone release |
| CN211979085U (en) * | 2020-04-10 | 2020-11-20 | 深圳市异科特电子技术检测有限公司 | Device for aging test of automobile electronic product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441429A (en) * | 2022-01-17 | 2022-05-06 | 安徽信息工程学院 | Automobile windshield wiper detection device |
| CN114441429B (en) * | 2022-01-17 | 2023-11-03 | 安徽信息工程学院 | Automobile windshield wiper detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104192426B (en) | There is the fruit preserving box of lateral locking structure | |
| CN113340797A (en) | Ageing device for rubber products | |
| CN104309929B (en) | There is the fruit preserving box of longitudinally locked structure | |
| CN114964906B (en) | Water quality monitoring device for environmental protection | |
| CN215983611U (en) | Intelligent hot baking equipment for LCD glass substrate | |
| CN215983610U (en) | LCD glass substrate contact type baking oven | |
| CN217060016U (en) | Temperature impact test box | |
| CN113600451B (en) | Contact type thermal baking equipment | |
| CN108398219A (en) | Lithium battery leak test device and test method | |
| CN103954509A (en) | Hollow container transport environment test box | |
| CN113406314A (en) | A aging test device for rubber component | |
| CN115786117A (en) | Biological stem cell storage culture reagent case | |
| CN105328632A (en) | Freshness preservation box sealing rubber ring filling machine and freshness preservation box sealing rubber ring filling method | |
| JP2013096956A (en) | Cable mounting structure of environment tester | |
| CN203754403U (en) | Semi-automatic vacuum oil charging machine | |
| CN114665678A (en) | Oil immersion equipment for processing permanent magnet motor coil | |
| CN209355607U (en) | A kind of electric heating constant-temperature blowing drying box that supporter is Ke Kuaisugenghuan | |
| CN209680114U (en) | A kind of temperature test chamber | |
| CN208146019U (en) | A kind of junior middle school chemistry experiment equipment storage device | |
| CN212328750U (en) | Paint dipping device and drying box with same | |
| CN205397002U (en) | Automatic accuse humidity cabinet | |
| CN219841706U (en) | Sealing structure for refrigeration house door | |
| CN215139990U (en) | Sealing device of rapid temperature change test box | |
| CN218422847U (en) | Liquid tank impact test box | |
| CN205897728U (en) | Rukang capsule vacuum low temperature drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |