CN211784888U - Tool for measuring hardness of universal joint dust cover of driving shaft - Google Patents
Tool for measuring hardness of universal joint dust cover of driving shaft Download PDFInfo
- Publication number
- CN211784888U CN211784888U CN201922416319.3U CN201922416319U CN211784888U CN 211784888 U CN211784888 U CN 211784888U CN 201922416319 U CN201922416319 U CN 201922416319U CN 211784888 U CN211784888 U CN 211784888U
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- dust cover
- inner support
- universal joint
- cover
- convex block
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Abstract
The utility model discloses a frock is measured to driveshaft universal joint dust cover hardness, including the fixed block, the fixed block is provided with the holding tank, and the holding tank upper end is provided with cyclic annular circular bead, and outer ferrule card is in cyclic annular circular bead department, the dust cover passes from outer ferrule, and outer ferrule and dust cover macrostoma end outer shape cooperation, the dust cover inboard is provided with the inner support, and the inner support props at the interior convex block lower extreme of dust cover macrostoma end. When the dustproof cover is used, the dustproof cover penetrates through the middle of the outer ring, the outer ring supports the dustproof cover from the outer side, the lower end of the screw of the inner support is in threaded connection with the nut, the supporting arm of the inner support supports the lower end of the inner convex block at the large opening end of the dustproof cover, the stroke of the inner support is adjusted by rotating the screw, and the inner convex block at the large opening end of the dustproof cover is accurately supported. And then, measuring the upper end surface of the inner convex block at the large-opening end of the dust cover by using a rubber hardness measuring instrument.
Description
Technical Field
The utility model relates to a technical field is measured to the dust cover, especially relates to a driving shaft universal joint dust cover hardness measurement frock.
Background
The dust cover is used for protecting the universal joint of the driving shaft from muddy water, sand and/or any other pollutants; a closed space is formed so that grease does not leak in the space to sufficiently lubricate the operation between the bearing and the housing. With the development of the technology, a customer has new requirements on various indexes of the dust cover, hardness measurement needs to be carried out on the dust cover under the condition of no damage, and in the measuring process, the dust cover can only be held by hand to measure by using a rubber hardness measuring instrument due to the fact that a dust cover fixing tool is not provided, but measurement is inconvenient, and the result is inaccurate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the purpose of the application is to provide a tool for measuring the hardness of a dust cover of a universal joint of a driving shaft.
For realizing the utility model discloses a purpose, the utility model provides a driving shaft universal joint dust cover hardness measurement frock, which comprises a fixing block and i, the fixed block is provided with the holding tank, the holding tank bottom is provided with the thru hole, and the outside end fixedly connected with nut of thru hole, holding tank upper end are provided with cyclic annular circular bead, and outer ferrule card is in cyclic annular circular bead department, the dust cover passes from outer ferrule, and outer ferrule and dust cover macrostoma end appearance form cooperation, outer ferrule hold in the palm the dust cover from the outside, and the dust cover inboard is provided with the inner support, the inner support includes the screw rod, the screw rod upper end is provided with the support piece, and the support piece extends three support arm, and every support arm supports the interior convex block lower extreme of dust cover macrostoma end.
The fixed block is formed by connecting and fixing two symmetrical half blocks.
Wherein, two half blocks are connected and fixed through bolts.
Compared with the prior art, the beneficial effects of the utility model are that, when using, the dust cover passes from the middle of the outer lasso, and the outer lasso holds the dust cover from the outside, and the screw rod lower extreme and the nut threaded connection of inner support, the support arm of inner support the big mouth end of dust cover and inwards bulge the lower extreme, through rotatory screw rod, the stroke of adjustment inner support, the lug in the big mouth end of accurate support dust cover. And then, measuring the upper end surface of the inner convex block at the large-opening end of the dust cover by using a rubber hardness measuring instrument.
Drawings
Fig. 1 is a first schematic diagram of the structure of the present application.
FIG. 2 is a second schematic diagram of the structure of the present application;
fig. 3 is a schematic structural view of a stent in the present application;
FIG. 4 is a schematic view of a connection structure between the dust cover and the outer ferrule according to the present application.
Fig. 5 is a schematic view of the connection structure of the dust cover and the inner bracket of the present application.
In the figure, 1-bolt, 2-inner support, 3-fixed block, 4-inner lug of big mouth end of dust cover, 5-outer ferrule, 6-nut, and 7-screw.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when used in this specification the singular forms "a", "an" and/or "the" include "specify the presence of stated features, steps, operations, elements, or modules, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in figures 1-5 of the drawings,
the utility model provides a frock is measured to driveshaft universal joint dust cover hardness, including fixed block 3, fixed block 3 is provided with the holding tank, the holding tank bottom is provided with the thru hole, and fixedly connected with nut 6 is held to the outside of thru hole, and the holding tank upper end is provided with cyclic annular circular bead, and outer ferrule 5 card is in cyclic annular circular bead department, the dust cover passes from outer ferrule 5, and outer ferrule 5 and the cooperation of dust cover macrostoma end appearance form, and outer ferrule 5 holds the dust cover from the outside, and the dust cover inboard is provided with inner support 2, inner support 2 includes screw rod 7, screw rod 7 upper end is provided with the support sheet, and the three support arm is extended to the support sheet, and every support arm props at the interior 4 lower extremes of lug of dust cover macrostoma end, 7.
The fixed block 3 is formed by connecting and fixing two symmetrical half blocks.
Wherein, two half blocks are connected and fixed through a bolt 1.
When the dustproof cover is used, the dustproof cover penetrates through the middle of the outer ring 5, the outer ring 5 supports the dustproof cover from the outer side, the lower end of the screw 7 of the inner support 2 is in threaded connection with the nut 6, the support arm of the inner support 2 supports the lower end of the inner convex block 4 at the large opening end of the dustproof cover, the stroke of the inner support 2 is adjusted by rotating the screw 7, and the inner convex block 4 at the large opening end of the dustproof cover is accurately supported. Then, the upper end face of the bump 4 in the large-opening end of the dust cover is measured by using a rubber hardness measuring instrument.
In addition, hardness of dust covers of different types can be measured by replacing the outer ring 5 and the inner support 2 with different inner diameters, and the use is convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A tool for measuring the hardness of a dust cover of a universal joint of a driving shaft is characterized by comprising a fixed block (3), the fixing block (3) is provided with an accommodating groove, the bottom end of the accommodating groove is provided with a through hole, the outer side end of the through hole is fixedly connected with a nut (6), the upper end of the accommodating groove is provided with an annular shoulder, the outer ring (5) is clamped at the annular shoulder, the dust cover penetrates through the outer ring (5), the outer ring (5) is matched with the outer shape of the large opening end of the dust cover, the outer ring (5) supports the dust cover from the outer side, the inner support (2) is arranged on the inner side of the dust cover, the inner support (2) comprises a screw rod (7), a supporting sheet is arranged at the upper end of the screw rod (7), the supporting sheet extends to form three supporting arms, each supporting arm is supported at the lower end of the inner convex block (4) at the large opening end of the dust cover, and the lower end of the screw rod (7) penetrates through the through hole and is fixed through a nut (6).
2. The tool for measuring the hardness of the dust cover of the universal joint of the drive shaft as claimed in claim 1, wherein the fixing block (3) is formed by connecting and fixing two half blocks with symmetrical structures.
3. The tool for measuring the hardness of the dust cover of the universal joint of the drive shaft as claimed in claim 1, wherein the two half blocks are fixedly connected through bolts (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416319.3U CN211784888U (en) | 2019-12-29 | 2019-12-29 | Tool for measuring hardness of universal joint dust cover of driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416319.3U CN211784888U (en) | 2019-12-29 | 2019-12-29 | Tool for measuring hardness of universal joint dust cover of driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211784888U true CN211784888U (en) | 2020-10-27 |
Family
ID=72978048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922416319.3U Active CN211784888U (en) | 2019-12-29 | 2019-12-29 | Tool for measuring hardness of universal joint dust cover of driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211784888U (en) |
-
2019
- 2019-12-29 CN CN201922416319.3U patent/CN211784888U/en active Active
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