CN212059644U - Rubber compression permanent deformation tester - Google Patents
Rubber compression permanent deformation tester Download PDFInfo
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- CN212059644U CN212059644U CN202020747974.7U CN202020747974U CN212059644U CN 212059644 U CN212059644 U CN 212059644U CN 202020747974 U CN202020747974 U CN 202020747974U CN 212059644 U CN212059644 U CN 212059644U
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Abstract
The utility model discloses a rubber compression permanent deformation tester, it relates to rubber deformation test device, aims at solving prior art, and the tester can only centre gripping a sample, and leads to the problem that test efficiency is low, and its technical scheme main points include a plurality of crown plate and supply the locating component that a plurality of crown plate and a plurality of sample interval embolia in proper order, and adjacent crown plate sets up relatively, is equipped with the fixed subassembly that is used for the fixed crown plate on the perisporium of adjacent crown plate. During the test, firstly sleeving a ring plate on the positioning component, sleeving a sample, repeating the step, sequentially sleeving the rest ring plates and the sample on the positioning component, finally sleeving a ring plate, installing the fixing component on the peripheral wall of the adjacent ring plate, and extruding the sample to the height required by the test by fixing the position of the ring plate through the fixing component; the tester for clamping the plurality of samples performs one-time test, so that test data of the plurality of samples can be smoothly obtained, the time spent in the test is saved, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a rubber deformation test device, more specifically say, it relates to a rubber compression permanent deformation tester.
Background
Compression set is one of the important performance indexes of rubber products; the compression set of vulcanized rubber relates to the elasticity and recovery of vulcanized rubber; the magnitude of the permanent deformation is mainly governed by the change in the rubber recovery ability; factors that affect the recovery ability are intermolecular forces (viscosity), changes or disruptions in the network structure, intermolecular displacements, and the like. When the deformation of the rubber is due to the stretching of the molecular chains, its recovery (or the magnitude of the permanent deformation) is mainly determined by the elasticity of the rubber: this part can be said to be unrecoverable if the deformation of the rubber is also accompanied by a disruption of the network and a relative flow of the molecular chains, which is independent of the elasticity; therefore, all factors influencing the elasticity and recovery of the rubber are factors influencing the compression set of the vulcanized rubber; these factors include elasticity, percussion elasticity (resilience), elasticity and modulus, compression set, permanent set at break, and the like.
Chinese patent with publication number CN209296453U discloses a compression set experimental device for rubber materials, which comprises an upper press plate, a lower press plate, a plurality of fastening bolts and a limiting element arranged between the upper and lower press plates, wherein the upper press plate and the lower press plate are provided with corresponding through holes, the fastening bolts pass through the through holes on the upper and lower press plates and then are connected with fastening nuts, the number of the limiting elements corresponds to the number of the fastening bolts, and the limiting elements are in a sleeve shape and are sleeved outside the corresponding fastening bolts. The spacing element comprises a basic spacing element and an additional spacing element. The utility model discloses a cover the spacing component of establishing outside the fastener in the cover form, can make spacing component and fastening bolt atress balanced, the sample atress is even, improves experimental accuracy nature, and uses through the stack of basic spacing component and additional spacing component, can realize satisfying the test requirement of the full-scale sample of experimental standard regulation with the spacing component of less high type.
In the using process of the test device, a sample is placed in the center of the upper surface of a lower pressure plate, a limiting element is placed, the upper pressure plate is covered, a bolt is placed, the sample is tightly pressed through the matching of the bolt and a nut, the installation is completed, and the test device with the sample installed is placed in an aging box for testing; this test apparatus can hold only one sample in one test, and when a plurality of samples are required to perform a test, it is necessary to acquire data of the plurality of samples by repeating the test, and therefore this test apparatus has a problem of low test efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a rubber compression permanent deformation tester, it has the sample of a plurality of differences of centre gripping simultaneously, and the one-time test obtains the advantage of a plurality of sample data.
The above object of the present invention can be achieved by the following technical solutions:
a rubber compression permanent deformation tester comprises a plurality of ring plates and positioning assemblies for the ring plates and a plurality of samples to be sleeved at intervals in sequence, wherein the adjacent ring plates are arranged oppositely, and fixing assemblies for fixing the ring plates are arranged on the peripheral walls of the adjacent ring plates.
By adopting the technical scheme, during test, firstly, one ring plate is sleeved on the positioning component, then, one sample is sleeved, the step is repeated, the rest ring plates and the sample are sequentially sleeved on the positioning component, finally, one ring plate is sleeved, then, the fixing component is arranged on the peripheral wall of the adjacent ring plate, and the position of the ring plate is fixed through the fixing component, so that the sample is extruded to the height required by the test according to the test requirement; the tester for clamping the plurality of samples performs one-time test, so that test data of the plurality of samples can be smoothly obtained, the time spent in the test is saved, and the test efficiency is improved.
Furthermore, the positioning assembly comprises a bottom plate and a plurality of sections of telescopic sleeves, the plurality of sections of telescopic sleeves are mutually sleeved in a sliding manner, the telescopic sleeves are arranged along the height direction of the bottom plate, and the first section of telescopic sleeve is connected with the surface of the bottom plate;
the telescopic sleeve is characterized in that at least two sliding grooves are formed in the inner side wall of the telescopic sleeve, the sliding grooves are formed in the axis direction of the telescopic sleeve, positioning grooves are formed in the inner side wall of the telescopic sleeve, the sliding grooves are communicated with the positioning grooves, the positioning grooves are located in one side, away from the bottom plate, of the telescopic sleeve, and sliding blocks sliding in the sliding grooves are arranged on the outer side wall of the telescopic sleeve.
Through adopting above-mentioned technical scheme, the flexible cover of pulling, the slider removes in the spout, rotatory flexible cover again, and the slider inserts in the constant head tank to fixed flexible cover, and then a plurality of samples of the smooth clamping of tester and a plurality of ring plates.
Furthermore, a pull ring is arranged at one end, away from the bottom plate, of the telescopic sleeve at the tail section.
Through adopting above-mentioned technical scheme, pulling pull ring more conveniently pulls up and rotatory telescope tube.
Furthermore, a plurality of clamping grooves are formed in the peripheral wall of the annular plate and are uniformly distributed along the circumferential direction of the annular plate;
the fixing assembly comprises an adjusting plate, an upper pulling plate and a lower pulling plate, wherein the upper pulling plate and the lower pulling plate are respectively inserted into the clamping grooves;
an adjusting block is arranged on one side, far away from the clamping groove, of the upper pulling plate, an adjusting groove for the adjusting block to slide is arranged on one side, close to the telescopic sleeve, of the adjusting plate, and the adjusting groove is arranged along the axial direction of the telescopic sleeve;
the side of the lower pulling plate is provided with a screw in a penetrating mode, the axis of the screw is parallel to the axis of the telescopic sleeve, one end of the screw, which penetrates through the lower pulling plate, penetrates through the upper pulling plate, and one end of the screw, which penetrates through the upper pulling plate, is connected with an adjusting nut in a threaded mode.
By adopting the technical scheme, the lower pull plate and the upper pull plate are respectively inserted into the clamping grooves and connected with the adjacent ring plates, the upper pull plate is extruded by rotating the nut, the adjusting block slides in the adjusting groove, the upper pull plate extrudes the side walls of the clamping grooves, and the distance between the ring plates is adjusted, so that the positions of the ring plates are fixed, and the clamping of the sample is completed; according to the test requirement, the distance between the adjacent ring plates is adjusted by rotating the nut, and the nut stops rotating after the sample reaches the specified height, so that the distance between the adjacent ring plates is limited, and the tester smoothly extrudes the sample to different heights.
Furthermore, a scale is arranged on the side wall of the adjusting plate, and an indicating needle is arranged on one side, close to the scale, of the upper pulling plate.
Through adopting above-mentioned technical scheme, when the last arm-tie drives the annular plate extrusion test, confirm the height of extrusion sample according to the distance that the pointer instructed on the scale to the position of fixed annular plate more accurately, thereby more accurately extrude the sample to appointed height.
Furthermore, a reinforcing plate is arranged between the upper pulling plate and the lower pulling plate, fixing blocks are arranged on the side faces, close to the upper pulling plate and the lower pulling plate, of the reinforcing plate, and fixing grooves for inserting the fixing blocks are formed in the opposite side faces of the upper pulling plate and the lower pulling plate.
Through adopting above-mentioned technical scheme, after the position of fixed crown plate, insert the reinforcing plate, increase the taut degree between last arm-tie and the lower link plate to the extrusion intensity between the reinforcing crown plate reduces the possibility of crown plate reverse movement under the extrusion of sample.
Furthermore, a limiting sleeve is sleeved between the outer sides of the telescopic sleeves and the adjacent ring plates, and the outer diameter of the limiting sleeve is larger than the inner diameter of the ring plate.
By adopting the technical scheme, firstly, the ring plate is sleeved on the outer side wall of the telescopic sleeve, then the limiting sleeve with the designated height is sleeved on the outer side wall of the telescopic sleeve, then a sample is sleeved on the outer side wall of the limiting sleeve, the steps are repeated, the rest limiting sleeve, the sample and the ring plate are sleeved, and finally, the ring plate is sleeved; when a sample is extruded, two ends of the limiting sleeve with different heights are respectively abutted against the surfaces of the adjacent ring plates, so that the distance between the adjacent ring plates is limited, and the positions of the ring plates are more conveniently fixed.
Furthermore, a limit ring is in threaded connection with the outer side wall of the telescopic sleeve and is positioned between the adjacent ring plates;
the inner side wall of the ring plate is provided with a ring groove, the side wall of the ring groove close to the bottom plate is provided with at least two insertion holes, and the insertion holes are communicated with the ring groove;
one side of the limiting ring, which is far away from the bottom plate, is provided with a positioning block inserted into the insertion hole, and the positioning block is inserted into the annular groove.
By adopting the technical scheme, firstly, a ring plate is sleeved on the telescopic sleeve, then the limit rings with different heights are in threaded connection with the telescopic sleeve, then a sample is sleeved on the outer side wall of the limit ring, the step is repeated, the rest limit rings with different heights, the sample and the ring plate are sequentially sleeved on the outer side wall of the telescopic sleeve, finally, a ring plate is sleeved, the ring plate is manually extruded, the sample is compressed, the ring plate moves downwards, the positioning block is inserted into the jack, the ring plate is rotated, the positioning block is inserted into the ring groove, and the position of the ring plate is fixed, so that the sample can be extruded to a designated height; according to the requirements of tests on different heights of the samples, the limiting sleeves with different heights are selected to be sleeved between the adjacent ring plates, so that the distance between the adjacent ring plates is limited, and the test device can smoothly extrude the samples to different heights.
To sum up, the utility model discloses following beneficial effect has:
1. when the test is carried out, firstly, a ring plate is sleeved on the positioning assembly, then, a sample is sleeved on the positioning assembly, then, a ring plate is sleeved on the positioning assembly, the steps are repeated, the rest ring plates and the sample are sleeved on the positioning assembly, adjacent samples are separated through the ring plates, a fixing assembly is arranged between the adjacent ring plates, and the position of the ring plate is fixed through the fixing assembly, so that the sample is pressed to the height required by the test; the tester clamped with the plurality of samples performs one-time test to smoothly obtain data of the plurality of samples, so that the time spent on the test is saved, and the test efficiency is improved;
2. after the height of the upper pulling plate is adjusted, a reinforcing plate with a specified height is inserted, so that the extrusion of the ring plate on the sample is enhanced, and the possibility of reverse movement of the ring plate under the action of the sample is reduced;
3. during the test, firstly sleeving a ring plate, then connecting the limiting ring with the telescopic sleeve in a threaded manner, sleeving the sample on the outer side wall of the limiting ring, repeating the step, sleeving the rest limiting rings, the sample and the ring plate on the telescopic sleeve, and finally sleeving a ring plate; manually extruding the ring plate, wherein the ring plate extrudes a sample, when the sample is extruded to a specified height, the positioning block is inserted into the jack, the ring plate is rotated, and the positioning block is inserted into the ring groove, so that the ring plate is fixed, and the sample can be extruded to the specified height; according to the requirements of tests on different heights of the samples, the limiting rings with different heights are selected to be arranged between the adjacent ring plates, so that the distance between the adjacent ring plates is limited, and the test device smoothly extrudes the samples to different heights.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
Fig. 4 is an enlarged view of the portion C in fig. 1.
Fig. 5 is an enlarged view of a portion D in fig. 2.
Fig. 6 is a schematic structural diagram of the second embodiment.
Fig. 7 is a sectional view taken along line E-E in fig. 6.
FIG. 8 is a cross-sectional view of the ring plate according to the second embodiment.
In the figure: 1. a positioning assembly; 11. a base plate; 111. a groove; 12. a telescopic sleeve; 121. a chute; 122. positioning a groove; 123. a slider; 124. a pull ring; 2. a ring plate; 21. a card slot; 22. a jack; 23. a ring groove; 3. a fixing assembly; 31. pulling up the plate; 311. an adjusting block; 312. fixing grooves; 313. an indicator needle; 32. pulling down the plate; 33. an adjusting plate; 331. an adjustment groove; 332. a scale; 34. a screw; 35. a nut; 36. a reinforcing plate; 361. a fixed block; 4. a limiting ring; 41. positioning blocks; 5. a limiting sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the rubber compression permanent deformation tester comprises a plurality of ring plates 2 arranged pairwise in an up-down opposite mode, positioning assemblies 1 used for sleeving the ring plates 2 and fixing assemblies 3 arranged between the adjacent ring plates 2, the ring plates 2 are preferably five, and the tester clamps four samples at a time.
Referring to fig. 1, the positioning assembly 1 includes a plurality of telescopic sleeves 12 which are slidably sleeved with each other, the telescopic sleeves 12 are arranged along the height direction of the bottom plate 11, and the bottom plate 11 is arranged on the bottom wall of the first telescopic sleeve 12.
Referring to fig. 2 and 3, at least two sliding grooves 121 are formed in the inner side wall of the telescopic sleeve 12, the sliding grooves 121 are arranged along the axial direction of the telescopic sleeve 12, a positioning groove 122 is formed in the inner side wall of the telescopic sleeve 12, the positioning groove 122 is far away from the bottom plate 11, the sliding grooves 121 are communicated with the positioning groove 122, a sliding block 123 sliding in the sliding grooves 121 is arranged on the outer side wall of the telescopic sleeve 12, a groove 111 is formed in the bottom plate 11, the sliding block 123 on the outer side wall of the first section of telescopic sleeve 12 extends into the groove 111, and a pull ring 124 is arranged at; when the test is carried out, the pull ring 124 is pulled, so that the telescopic sleeve 12 is pulled, the sliding block 123 slides in the sliding groove 121, the telescopic sleeve 12 is rotated, the sliding block 123 is inserted into the positioning groove 122, the telescopic sleeve 12 is fixed, and the tester smoothly clamps a plurality of different samples.
Referring to fig. 2 and 3, before the test, firstly, a ring plate 2 is sleeved on the outer side wall of a telescopic sleeve 12, the surface of the ring plate 2 is contacted with the surface of a bottom plate 11, a sample is sleeved, the step is repeated, the rest of the sample and the ring plate 2 are sleeved on the outer side wall of the telescopic sleeve 12, and finally, a ring plate 2 is sleeved; the fixing component 3 is arranged on the peripheral wall of the adjacent ring plate 2, the fixing component fixes the position of the ring plate 2, and the sample is extruded to a specified height, so that the sample is clamped conveniently; the tester clamped with the multiple samples obtains data of the multiple samples through one-time test, so that the time spent by the test is saved, and the test efficiency is improved; the slider 123 on the lateral wall of the first section of telescopic sleeve 12 extends into the groove 111, so that the surface of the ring plate 2 is in contact with the surface of the bottom plate 11, and the stability of the tester for clamping a sample is improved.
Referring to fig. 2, a plurality of limiting sleeves 5 are sequentially sleeved on the telescopic sleeve 12, the limiting sleeves 5 are positioned between adjacent ring plates 2, and the outer diameter of each limiting sleeve 5 is larger than the inner diameter of each ring plate 2; when the annular plate 2 extrudees the sample, the both ends of stop collar 5 are contradicted with adjacent annular plate 2's relative surface respectively, restrict the distance between the adjacent annular plate 2 to more make things convenient for fixed annular plate 2.
Referring to fig. 4, a plurality of clamping grooves 21 are formed in the circumferential wall of the ring plate 2, and the clamping grooves 21 are uniformly distributed in the circumferential direction of the ring plate 2.
Referring to fig. 4 and 5, the fixing assembly 3 includes an upper pulling plate 31, a lower pulling plate 32, and an adjusting plate 33; the upper pulling plate 31 and the lower pulling plate 32 are respectively inserted into the clamping grooves 21 of the adjacent ring plates 2, and one side of the upper pulling plate 31 extending out of the clamping grooves 21 is provided with an adjusting block 311; the side of the adjusting plate 33 is provided with an adjusting groove 331 for the adjusting block 311 to slide, the adjusting groove 331 is arranged along the height direction of the bottom plate 11, and one side of the lower pulling plate 32 extending out of the clamping groove 21 is fixedly connected with the adjusting plate 33.
Referring to fig. 4 and 5, a screw 34 is arranged on the side surface of the lower pulling plate 32 in a penetrating manner, the screw 34 penetrates through the lower pulling plate 32 and the upper pulling plate 31, and an adjusting nut 35 is connected to one end of the screw 34 penetrating through the upper pulling plate 31 in a threaded manner; a height scale 332 is arranged on the side wall of the adjusting plate 33, the scale 332 increases progressively from one side close to the lower pulling plate 32 to one side close to the upper pulling plate 31, and an indicating needle 313 is arranged on one side of the upper pulling plate 31 close to the scale 332; when the sample and the ring plate 2 are mounted, the upper pull plate 31, the lower pull plate 32, and the adjustment plate 33 are set, the screws 34 are inserted, and the nuts 35 are screwed.
Referring to fig. 4 and 5, the upper pulling plate 31 is extruded by rotating the nut 35, the sliding block 123 slides in the sliding groove 121, the upper pulling plate 31 extrudes the side wall of the clamping groove 21, the ring plate 2 is driven to move downwards, the sample is extruded to a specified height, the nut 35 is stopped rotating, and the ring plate 2 is fixed, so that the clamping of the sample is facilitated; according to the requirements of the test on different heights of the test sample, the nut 35 is rotated, the position of the ring plates 2 is adjusted according to the numerical value indicated by the indicating needle 313 on the scale 332, the distance between the adjacent ring plates 2 is changed, and therefore the tester can smoothly extrude the test sample to different heights.
Referring to fig. 4, a reinforcing plate 36 is arranged between the upper pulling plate 31 and the lower pulling plate 32, the reinforcing plate 36 is located on one side of the screw 34 away from the adjusting plate 33, T-shaped fixing blocks 361 are respectively arranged on the side surfaces of the reinforcing plate 36 close to the upper pulling plate 31 and the lower pulling plate 32, and T-shaped fixing grooves 312 for inserting the fixing blocks 361 are respectively arranged on the opposite side surfaces of the upper pulling plate 31 and the lower pulling plate 32; after the position of the ring plate 2 is fixed, the reinforcing plate 36 is inserted, and the connection strength between the upper pulling plate 31 and the lower pulling plate 32 is increased, so that the extrusion strength of the adjacent ring plate 2 to the sample is increased, and the possibility that the ring plate 2 is extruded by the sample to move reversely is reduced.
The implementation principle of the above embodiment is as follows: during testing, firstly, one ring plate 2 is sleeved on the positioning component 1, then, one sample is sleeved, the rest ring plates 2 and the sample are sequentially sleeved on the positioning component 1, finally, one ring plate 2 is sleeved, the fixing component 3 is arranged on the peripheral wall of the adjacent ring plate 2, and the position of the ring plate 2 is fixed through the fixing component 3 according to the testing requirement, so that the sample can be extruded to the height required by the experiment; the tester clamps a plurality of different samples for testing, so that data of the plurality of samples are obtained through one-time testing, testing time is saved, and testing efficiency is improved.
Example two:
a rubber compression set tester, referring to FIG. 6 and FIG. 7, based on the first embodiment, the difference between the first embodiment and the second embodiment is: the outer side wall of the telescopic sleeve 12 is in threaded connection with a limit ring 4.
Referring to fig. 7 and 8, at least two positioning blocks 41 are arranged on one side of the outer side wall of the limiting ring 4, which is far away from the bottom plate 11, an annular groove 23 is arranged on the inner side wall of the annular plate 2, and a jack 22 for inserting the positioning block 41 is arranged on the side wall of the annular groove 23, which is close to the bottom plate 11; before the test, firstly, a ring plate 2 is sleeved on a telescopic sleeve 12, then a limiting ring 4 is fixed on the telescopic sleeve 12, a sample is sleeved on the outer side wall of the limiting ring 4, the rest limiting rings 4, the sample and the ring plate 2 are sequentially sleeved on the telescopic sleeve 12, finally, the ring plate 2 is sleeved, the ring plate 2 is manually extruded, the ring plate 2 is extruded, the ring plate 2 moves downwards, a positioning block 41 is inserted into an insertion hole 22, the ring plate 2 is rotated, and the positioning block 41 is inserted into a ring groove 23, so that the position of the ring plate 2 is fixed, and the clamping of the sample is facilitated; according to the requirements of the test on different heights of the test sample, the limiting rings 4 with different heights are selected to be dragged into the telescopic sleeve 12 to limit the distance between the ring plates 2, so that the test sample is smoothly extruded to different heights by the tester.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A rubber compression permanent deformation tester is characterized in that: the test device comprises a plurality of ring plates (2) and positioning assemblies (1) for the ring plates (2) and a plurality of samples to be sleeved in at intervals in sequence, wherein the adjacent ring plates (2) are arranged oppositely, and at least two fixing assemblies (3) for fixing the ring plates (2) are arranged on the peripheral walls of the adjacent ring plates (2).
2. The rubber compression set tester as claimed in claim 1, wherein: the positioning assembly (1) comprises a bottom plate (11) and a plurality of sections of telescopic sleeves (12), wherein the plurality of sections of telescopic sleeves (12) are mutually sleeved in a sliding mode, the telescopic sleeves (12) are arranged along the height direction of the bottom plate (11), and the first section of telescopic sleeve (12) is connected with the surface of the bottom plate (11);
be equipped with two at least spout (121) on the inside wall of flexible cover (12), spout (121) set up along flexible cover (12) axis direction, be equipped with constant head tank (122) on the inside wall of flexible cover (12), spout (121) with constant head tank (122) intercommunication sets up, constant head tank (122) are located one side of bottom plate (11) is kept away from in flexible cover (12), be equipped with slider (123) that slide in spout (121) on the lateral wall of flexible cover (12).
3. The rubber compression set tester as claimed in claim 2, wherein: and a pull ring (124) is arranged at one end of the telescopic sleeve (12) far away from the bottom plate (11) at the tail section.
4. The rubber compression set tester as claimed in claim 2, wherein: a plurality of clamping grooves (21) are formed in the peripheral wall of the annular plate (2), and the clamping grooves (21) are uniformly distributed along the circumferential direction of the annular plate (2);
the fixing assembly (3) comprises an adjusting plate (33), an upper pulling plate (31) and a lower pulling plate (32) which are respectively inserted into the clamping groove (21), the adjusting plate (33) is arranged along the axis direction of the telescopic sleeve (12), one side of the upper pulling plate (31) extending out of the clamping groove (21) and one side of the lower pulling plate (32) extending out of the clamping groove (21) are both connected with the adjusting plate (33), and the upper pulling plate (31) and the lower pulling plate (32) are arranged oppositely;
an adjusting block (311) is arranged on one side, away from the clamping groove (21), of the upper pulling plate (31), an adjusting groove (331) for the adjusting block (311) to slide is arranged on one side, close to the telescopic sleeve (12), of the adjusting plate (33), and the adjusting groove (331) is arranged along the axial direction of the telescopic sleeve (12);
the side of the lower pulling plate (32) is provided with a screw (34) in a penetrating mode, the axis of the screw (34) is parallel to the axis of the telescopic sleeve (12), the screw (34) penetrates through one end of the lower pulling plate (32) and penetrates through the upper pulling plate (31), and one end, penetrating through the upper pulling plate (31), of the screw (34) is connected with an adjusting nut (35) in a threaded mode.
5. The rubber compression set tester as claimed in claim 4, wherein: be equipped with scale (332) on the lateral wall of regulating plate (33), one side that the pull-up plate (31) is close to scale (332) is equipped with pointer (313).
6. The rubber compression set tester as claimed in claim 4, wherein: go up arm-tie (31) with be equipped with between arm-tie (32) and reinforce board (36), strengthen all being equipped with fixed block (361) on board (36) are close to the side of going up arm-tie (31) and arm-tie (32), go up arm-tie (31) with all be equipped with on the opposite flank of arm-tie (32) and supply fixed block (361) male fixed slot (312).
7. The rubber compression set tester as claimed in claim 2, wherein: the outer side of the telescopic sleeve (12) is located between adjacent ring plates (2) and sleeved with a limiting sleeve (5), and the outer diameter of the limiting sleeve (5) is larger than the inner diameter of the ring plates (2).
8. The rubber compression set tester as claimed in claim 7, wherein: a limiting ring (4) is in threaded connection with the outer side wall of the telescopic sleeve (12) and is positioned between the adjacent ring plates (2);
an annular groove (23) is formed in the inner side wall of the annular plate (2), at least two insertion holes (22) are formed in the side wall, close to the bottom plate (11), of the annular groove (23), and the insertion holes (22) are communicated with the annular groove (23);
one side of the limiting ring (4) far away from the bottom plate (11) is provided with a positioning block (41) inserted into the insertion hole (22), and the positioning block (41) is inserted into the annular groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747974.7U CN212059644U (en) | 2020-05-08 | 2020-05-08 | Rubber compression permanent deformation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747974.7U CN212059644U (en) | 2020-05-08 | 2020-05-08 | Rubber compression permanent deformation tester |
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| Publication Number | Publication Date |
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| CN212059644U true CN212059644U (en) | 2020-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176195A (en) * | 2021-04-28 | 2021-07-27 | 安徽省水利水电工程检测有限公司 | Rubber compression permanent deformation sample preparation equipment |
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2020
- 2020-05-08 CN CN202020747974.7U patent/CN212059644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176195A (en) * | 2021-04-28 | 2021-07-27 | 安徽省水利水电工程检测有限公司 | Rubber compression permanent deformation sample preparation equipment |
| CN113176195B (en) * | 2021-04-28 | 2023-02-17 | 安徽省水利水电工程检测有限公司 | Rubber compression permanent deformation sample preparation equipment |
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