CN210090265U - Sample holder for air permeability tester - Google Patents
Sample holder for air permeability tester Download PDFInfo
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- CN210090265U CN210090265U CN201920806201.9U CN201920806201U CN210090265U CN 210090265 U CN210090265 U CN 210090265U CN 201920806201 U CN201920806201 U CN 201920806201U CN 210090265 U CN210090265 U CN 210090265U
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- cylinder sleeve
- sleeve
- upper cylinder
- air permeability
- support ring
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Abstract
The utility model relates to a test device of refractory material air permeability provides a sample holder for air permeability tester. The sample holder for the air permeability tester is provided with an upper cylinder sleeve and a lower cylinder sleeve; the upper cylinder sleeve is of a frame structure with an opening at the lower end surface; the lower cylinder sleeve is of a frame structure with an opening on the upper end surface; the inner cavity of the upper cylinder sleeve is in a frustum shape with diameter gradually expanded from top to bottom; the inner cavity of the lower cylinder sleeve is in a frustum shape with diameter gradually expanded from bottom to top; the upper cylinder sleeve and the lower cylinder sleeve are buckled into a cavity which is integrally formed and used for placing the rubber sleeve; the outer wall surface of the rubber sleeve is of a spindle-shaped structure matched with the cavity structure; the center of the rubber sleeve is provided with an axial through hole matched with the outer diameter of the cylindrical sample; an upper support ring is arranged between the rubber sleeve and the upper cylinder sleeve, and a lower support ring is arranged between the rubber sleeve and the lower cylinder sleeve; the inner diameters of the upper support ring and the lower support ring are larger than the outer diameter of the cylindrical sample; and a pressing air cylinder is arranged at the top of the upper cylinder sleeve. The utility model has the characteristics of simple structure, convenient operation, labour saving and time saving.
Description
Technical Field
The utility model relates to a test device of refractory material air permeability mainly provides a sample holder for air permeability tester.
Background
The air permeability refers to the ability of the refractory product to allow gas to pass through under a certain pressure difference, and is determined by the size, number and structure of the through pores and closely related to the forming process and firing system. The air permeability can not only represent the air hole condition and the compactness of the refractory material and judge the quality of the physical and mechanical properties of the refractory material, but also is closely related to the penetration of fluid and the erosion of slag; is an important index of refractory materials; the existing air permeability sample holder consists of an upper gland, a lower gland, an inflation tube, an inflation film, a fastening ring and a sample holder body, and is complex in installation and operation, inconvenient to use, time-consuming and labor-consuming; therefore, the sample holder for the air permeability tester has the characteristics of simplicity in operation, convenience and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a sample holder for air permeability tester.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a sample holder for an air permeability tester is provided with an upper cylinder sleeve and a lower cylinder sleeve; the upper cylinder sleeve is of a frame structure with an opening at the lower end surface; the lower cylinder sleeve is of a frame structure with an opening on the upper end surface; the inner cavity of the upper cylinder sleeve is in a frustum shape with diameter gradually expanded from top to bottom; the inner cavity of the lower cylinder sleeve is in a frustum shape with diameter gradually expanded from bottom to top; the upper cylinder sleeve and the lower cylinder sleeve are buckled into a cavity which is integrally formed and used for placing the rubber sleeve; the outer wall surface of the rubber sleeve is of a spindle-shaped structure matched with the cavity structure; the center of the rubber sleeve is provided with an axial through hole matched with the outer diameter of the cylindrical sample; an upper support ring is arranged between the rubber sleeve and the upper cylinder sleeve, and a lower support ring is arranged between the rubber sleeve and the lower cylinder sleeve; the inner diameters of the upper support ring and the lower support ring are larger than the outer diameter of the cylindrical sample; and a pressing air cylinder is arranged at the top of the upper cylinder sleeve.
The rubber sleeve is made of silicon rubber, and the hardness is less than 40 degrees.
The upper cylinder sleeve and the lower cylinder sleeve are both provided with air inlet and outlet holes; the air inlet and outlet holes are arranged at the bottom of the upper cylinder sleeve and the lower cylinder sleeve or on the circumference close to the bottom.
And a positioning sleeve used for ensuring that the upper cylinder sleeve and the lower cylinder sleeve are pressed on the same axis and preventing the upper cylinder sleeve and the lower cylinder sleeve from inclining is arranged outside the cylinder sleeve, and the height of the positioning sleeve is 1/2 greater than the total height of the clamp holder.
The utility model provides a pair of sample holder for air permeability test appearance adopts above-mentioned structural design, and the centre gripping of completion sample that can be better has simple structure, convenient operation, labour saving and time saving's characteristics.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. the device comprises a pressing cylinder, 2, an upper cylinder sleeve, 3, an upper supporting ring, 4, a rubber sleeve, 5, a lower supporting ring, 6, a lower cylinder sleeve, 7 and a positioning sleeve.
Detailed Description
The invention is described in connection with the accompanying drawings and the embodiments,
as shown in fig. 1, a specimen holder for an air permeability tester has an upper cylinder liner 2 and a lower cylinder liner 6; the upper cylinder sleeve 2 is a frame structure with an opening at the lower end surface; the lower cylinder sleeve 6 is of a frame structure with an opening at the upper end surface; the inner cavity of the upper cylinder sleeve 2 is in a frustum shape with diameter gradually expanded from top to bottom; the inner cavity of the lower cylinder sleeve 6 is in a frustum shape with diameter gradually expanded from bottom to top; the upper cylinder sleeve 2 and the lower cylinder sleeve 6 are buckled into a whole to form a cavity for placing the rubber sleeve 4; the outer wall surface of the rubber sleeve 4 is of a fusiform structure matched with the cavity structure; the center of the rubber sleeve 4 is provided with an axial through hole matched with the outer diameter of the cylindrical sample; an upper support ring 3 is arranged between the rubber sleeve 4 and the upper cylinder sleeve 2, and a lower support ring 5 is arranged between the rubber sleeve 4 and the lower cylinder sleeve 6; the inner diameter of the lower support ring 5 and the inner diameter of the upper support ring 3 are larger than the outer diameter of the cylindrical sample; and a pressing cylinder 1 is arranged at the top of the upper cylinder sleeve.
The rubber sleeve 4 is made of silicon rubber, and the hardness is less than 40 degrees.
The upper cylinder sleeve and the lower cylinder sleeve are both provided with air inlet and outlet holes; the air inlet and outlet holes are arranged at the bottom of the upper cylinder sleeve and the lower cylinder sleeve or on the circumference close to the bottom.
As shown in FIG. 2, the main structure of this embodiment is the same as that of embodiment 1, in this embodiment, the cylinder sleeves are externally provided with positioning sleeves for ensuring that the upper cylinder sleeve and the lower cylinder sleeve are compressed on the same axis and preventing the upper cylinder sleeve and the lower cylinder sleeve from inclining, and the height of the positioning sleeves is 1/2 greater than the total height of the clamp holder.
Claims (4)
1. The utility model provides a sample holder for air permeability tester which characterized in that: the sample holder is provided with an upper cylinder sleeve and a lower cylinder sleeve; the upper cylinder sleeve is of a frame structure with an opening at the lower end surface; the lower cylinder sleeve is of a frame structure with an opening on the upper end surface; the inner cavity of the upper cylinder sleeve is in a frustum shape with diameter gradually expanded from top to bottom; the inner cavity of the lower cylinder sleeve is in a frustum shape with diameter gradually expanded from bottom to top; the upper cylinder sleeve and the lower cylinder sleeve are buckled into a cavity which is integrally formed and used for placing the rubber sleeve; the outer wall surface of the rubber sleeve is of a spindle-shaped structure matched with the cavity structure; the center of the rubber sleeve is provided with an axial through hole matched with the outer diameter of the cylindrical sample; an upper support ring is arranged between the rubber sleeve and the upper cylinder sleeve, and a lower support ring is arranged between the rubber sleeve and the lower cylinder sleeve; the inner diameters of the upper support ring and the lower support ring are larger than the outer diameter of the cylindrical sample; and a pressing air cylinder is arranged at the top of the upper cylinder sleeve.
2. A specimen holder for an air permeability tester according to claim 1, wherein: the rubber sleeve is made of silicon rubber, and the hardness is less than 40 degrees.
3. A specimen holder for an air permeability tester according to claim 1, wherein: the upper cylinder sleeve and the lower cylinder sleeve are both provided with air inlet and outlet holes; the air inlet and outlet holes are arranged at the bottom of the upper cylinder sleeve and the lower cylinder sleeve or on the circumference close to the bottom.
4. A specimen holder for an air permeability tester according to claim 1, wherein: and a positioning sleeve used for ensuring that the upper cylinder sleeve and the lower cylinder sleeve are pressed on the same axis and preventing the upper cylinder sleeve and the lower cylinder sleeve from inclining is arranged outside the cylinder sleeve, and the height of the positioning sleeve is 1/2 greater than the total height of the clamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806201.9U CN210090265U (en) | 2019-05-31 | 2019-05-31 | Sample holder for air permeability tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806201.9U CN210090265U (en) | 2019-05-31 | 2019-05-31 | Sample holder for air permeability tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090265U true CN210090265U (en) | 2020-02-18 |
Family
ID=69481019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920806201.9U Active CN210090265U (en) | 2019-05-31 | 2019-05-31 | Sample holder for air permeability tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337405A (en) * | 2020-03-20 | 2020-06-26 | 山东伟基炭科技有限公司 | Testing arrangement of graphite material's air permeability |
-
2019
- 2019-05-31 CN CN201920806201.9U patent/CN210090265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337405A (en) * | 2020-03-20 | 2020-06-26 | 山东伟基炭科技有限公司 | Testing arrangement of graphite material's air permeability |
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