CN206091890U - YT cavity high strength straight -bar - Google Patents
YT cavity high strength straight -bar Download PDFInfo
- Publication number
- CN206091890U CN206091890U CN201620953244.6U CN201620953244U CN206091890U CN 206091890 U CN206091890 U CN 206091890U CN 201620953244 U CN201620953244 U CN 201620953244U CN 206091890 U CN206091890 U CN 206091890U
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- wall
- sleeve pipe
- tail end
- head end
- inner tube
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Abstract
The utility model relates to a connecting device field specifically is a YT cavity high strength straight -bar, including sleeve pipe and inner tube, outside of tubes and both coaxial settings including the cover pipe box is established. The sheathed tube head end is the boss form, and its tail end inner wall is identical rather than the head end, and the inner tube is hollow structure, and its tail end is the boss form, and its head end inner wall is identical rather than the tail end. The outer wall of the inner tube middle section is equipped with the recess, and the recess inside callipers is equipped with the parallel key fixed with overlapping the inside pipe wall, and the sleeve pipe outer wall is equipped with the spiral. The wall thickness of sheathed tube head end and tail end is the half of its middle section wall thickness. The thickness of parallel key is greater than the distance of recess and cover inside pipe wall, and the parallel key is passing through the solder joint welding with the fixed mode of sheathed tube. The beneficial effects of the utility model are that: this YT cavity high strength straight -bar can effectively strengthen overall structure intensity, is suitable for various complex operating condition, and it is single to add the structure, and processing is convenient, is fit for using widely on a large scale.
Description
Technical field
The utility model is related to attachment means field, the hollow high intensity straight-bar of specifically a kind of YT.
Background technology
At present, in the commonly used YT rigs of industrial and mineral production field, and its connection straight-bar is complicated due to applying working condition, and Jing often makes
Into damage, therefore, a kind of wear-resistant, shock proof connection straight-bar of invention is particularly important.
The content of the invention
The utility model is adopted the technical scheme that to solve above-mentioned technical problem：
The hollow high intensity straight-bars of YT, including：Sleeve pipe and inner tube, described sleeve pipe is set in outside said inner tube and both coaxially set
Put, the head end of described sleeve pipe is boss-shaped, and its tail end inwall matches with its head end, and said inner tube is hollow structure, its tail end
For boss-shaped, its head end inwall matches with its tail end, and said inner tube outer wall stage casing is provided with groove, be arranged with the groove with
The flat key that described sleeve pipe inwall is fixed.
Used as a kind of optimal technical scheme, described sleeve pipe outer wall is provided with spiral.
As a kind of optimal technical scheme, the head end of the described sleeve pipe and wall thickness of tail end is its stage casing wall thickness two/
One.
Used as a kind of optimal technical scheme, the thickness of the flat key is more than the groove and the distance of described sleeve pipe inwall.
Used as a kind of optimal technical scheme, the flat key is to be welded by solder joint with the fixed form of described sleeve pipe.
To sum up, the beneficial effects of the utility model are：It is strong that the hollow high intensity straight-bars of this YT can effectively strengthen overall structure
Degree, is suitable for various complex working conditions, plus structure list, easy to process, is suitable for large range promotion use.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
As shown in figure 1, the hollow high intensity straight-bars of YT, including sleeve pipe 1 and inner tube 2, sleeve pipe 1 be set in inner tube 2 it is outer and both
It is coaxially disposed.The head end 1-1 of sleeve pipe 1 is boss-shaped, and its tail end 1-2 inwalls match with its head end 1-1, and inner tube 2 is hollow knot
Structure, its tail end 2-2 is boss-shaped, and its head end 2-1 inwalls match with its tail end 2-2.The outer wall stage casing of inner tube 2 is provided with groove 2-3,
The flat key 1-3 fixed with the inwall of sleeve pipe 1 is arranged with groove 2-3, the outer wall of sleeve pipe 1 is provided with spiral 1-4.The head end 1-1 of sleeve pipe 1 and
The wall thickness of tail end 1-2 is 1/2nd of its stage casing wall thickness.The thickness of flat key 1-3 more than groove 2-3 and the inwall of sleeve pipe 1 away from
From flat key 1-3 is to be welded by solder joint with the fixed form of sleeve pipe 1.
Above-mentioned specific embodiment is only concrete case of the present utility model, and scope of patent protection of the present utility model includes
But the product form and style of above-mentioned specific embodiment are not limited to, it is any to meet claims of the present invention and any affiliated skill
Appropriate change or modification that the those of ordinary skill in art field is done to it, should all fall into patent protection model of the present utility model
Enclose.
Claims (5)
- The hollow high intensity straight-bars of 1.YT, including：Sleeve pipe and inner tube, it is characterised in that described sleeve pipe be set in said inner tube it is outer and Both are coaxially disposed, and the head end of described sleeve pipe is boss-shaped, and its tail end inwall matches with its head end, and said inner tube is hollow knot Structure, its tail end is boss-shaped, and its head end inwall matches with its tail end, and said inner tube outer wall stage casing is provided with groove, the groove Inside it is arranged with the flat key fixed with described sleeve pipe inwall.
- 2. hollow high intensity straight-bars of YT according to claim 1, it is characterised in that described sleeve pipe outer wall is provided with spiral.
- 3. hollow high intensity straight-bars of YT according to claim 1, it is characterised in that the head end of described sleeve pipe and the wall of tail end Thickness is 1/2nd of its stage casing wall thickness.
- 4. hollow high intensity straight-bars of YT according to claim 1, it is characterised in that the thickness of the flat key is more than described recessed The distance of groove and described sleeve pipe inwall.
- 5. hollow high intensity straight-bars of YT according to claim 1, it is characterised in that the fixation of the flat key and described sleeve pipe Mode is to be welded by solder joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620953244.6U CN206091890U (en) | 2016-08-28 | 2016-08-28 | YT cavity high strength straight -bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620953244.6U CN206091890U (en) | 2016-08-28 | 2016-08-28 | YT cavity high strength straight -bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091890U true CN206091890U (en) | 2017-04-12 |
Family
ID=58469351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620953244.6U Active CN206091890U (en) | 2016-08-28 | 2016-08-28 | YT cavity high strength straight -bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206091890U (en) |
-
2016
- 2016-08-28 CN CN201620953244.6U patent/CN206091890U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |