CN212904182U - A test device for rubber compression permanent deformation - Google Patents
A test device for rubber compression permanent deformation Download PDFInfo
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- CN212904182U CN212904182U CN202021104974.1U CN202021104974U CN212904182U CN 212904182 U CN212904182 U CN 212904182U CN 202021104974 U CN202021104974 U CN 202021104974U CN 212904182 U CN212904182 U CN 212904182U
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- steel plate
- test device
- positioning pin
- rubber compression
- permanent deformation
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Abstract
The utility model discloses a test device for rubber compression permanent deformation, which is characterized by comprising a lower steel plate and an upper steel plate; the four corners of the lower steel plate and the upper steel plate are provided with positioning holes connected with the micrometer, the center of the upper steel plate is provided with a positioning pin, and the upper part of the positioning pin is provided with a bolt capable of fixing the positioning pin. The utility model has the characteristics of before the change frock can only be with feeling the solution method who defines thickness between the anchor clamps, greatly increased the accuracy of experiment, also provide accurate data for the experiment is direct contrasted.
Description
Technical Field
The utility model relates to a test device for rubber compression permanent deformation belongs to and examines a technical field.
Background
Among the properties of rubber materials, compression set has always been a very critical property. If the performance of the automobile parts does not reach the standard, the sealing performance of the automobile parts is poor, and even accidents are caused by oil leakage. Traditional test mode before does, through the steel sheet of fixed two, fixes a position through ordinary bolt and clearance gauge at four angles of steel sheet, and concrete operation method is: finding out the feeler gauge with corresponding thickness, placing the feeler gauge at the bottom of the bolt, descending the bolt by using a screwdriver to press the feeler gauge, repeatedly plugging and unplugging the feeler gauge to determine whether the bolt and the feeler gauge are tightly attached or not according to the hand feeling of an operator, and finally fixing the bolt by using a nut and taking out the feeler gauge. Subsequently, the above operation was repeated 3 times, and it was ensured that the hand feeling of the remaining three corners was consistent with that of the first corner. At present, because the positioning of the traditional method depends on the experience (hand feeling) of operators, the possibility of generating errors is high, the reproducibility is poor, and the testing steps are complicated.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: how to reduce the error in the test of the compression set of the rubber and to save time better.
In order to solve the technical problem, the technical scheme of the utility model is to provide a test device for rubber compression permanent deformation, which is characterized by comprising a lower steel plate and an upper steel plate; the four corners of the lower steel plate and the upper steel plate are provided with positioning holes connected with the micrometer, the center of the upper steel plate is provided with a positioning pin, and the upper part of the positioning pin is provided with a bolt capable of fixing the positioning pin.
Preferably, the joint of the positioning pin and the upper steel plate is provided with a plurality of round holes.
Preferably, the micrometer is provided with scales capable of measuring.
The utility model has the characteristics of before the change frock can only be with feeling the solution method who defines thickness between the anchor clamps, greatly increased the accuracy of experiment, also provide accurate data for the experiment is direct contrasted.
Drawings
FIG. 1 is a schematic structural view of a tooling for a rubber compression set test provided by the present invention;
fig. 2 is a schematic structural view of a special micrometer provided by the present invention;
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model provides a test device for rubber compression permanent deformation, which is characterized in that the test device comprises a lower steel plate 1 and an upper steel plate 2; the four corners of lower steel sheet 1 and last steel sheet 2 all are equipped with the locating hole of being connected with micrometer 3, and the center of going up steel sheet 2 is equipped with locating pin 5, and 5 upper portions of locating pin are equipped with the bolt 6 that can fixed position locating pin 5.
The utility model discloses mainly constitute by two parts, upper portion anchor clamps and lower part anchor clamps, special micrometer all can be fixed to the upper portion steel sheet through the mode of cylindrical bolt. After the distance between two steel sheets is fixed by the positioning pin, the special micrometer is fixed at the positioning hole, and the distance pressed down is accurately obtained according to actual demands in a mode of a bolt, so that the clamping is convenient in the mode, the pressing distance is not required to be judged according to the thickness of the feeler gauge and the experience of an operator, and the test error caused by human errors is avoided.
Claims (3)
1. A test device for rubber compression set is characterized by comprising a lower steel plate (1) and an upper steel plate (2); the four corners of the lower steel plate (1) and the upper steel plate (2) are provided with positioning holes connected with the micrometer (3), the center of the upper steel plate (2) is provided with a positioning pin (5), and the upper part of the positioning pin (5) is provided with a bolt (6) capable of fixing the positioning pin (5).
2. A test device for rubber compression set according to claim 1, wherein the joint of the locating pin (5) and the upper steel plate (2) is provided with a plurality of round holes.
3. A test device for rubber compression set according to claim 1, wherein the micrometer (3) is provided with a scale capable of measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104974.1U CN212904182U (en) | 2020-06-15 | 2020-06-15 | A test device for rubber compression permanent deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104974.1U CN212904182U (en) | 2020-06-15 | 2020-06-15 | A test device for rubber compression permanent deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904182U true CN212904182U (en) | 2021-04-06 |
Family
ID=75277282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021104974.1U Active CN212904182U (en) | 2020-06-15 | 2020-06-15 | A test device for rubber compression permanent deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904182U (en) |
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2020
- 2020-06-15 CN CN202021104974.1U patent/CN212904182U/en active Active
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