CN211150464U - Long-life shaft lever - Google Patents
Long-life shaft lever Download PDFInfo
- Publication number
- CN211150464U CN211150464U CN201922198895.5U CN201922198895U CN211150464U CN 211150464 U CN211150464 U CN 211150464U CN 201922198895 U CN201922198895 U CN 201922198895U CN 211150464 U CN211150464 U CN 211150464U
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- China
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- connecting rod
- fixing column
- fixed column
- connecting shaft
- life
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Abstract
The utility model discloses a long-life shaft rod, which belongs to the electrical technical field and comprises a first connecting rod, a connecting shaft and a second connecting rod, wherein the lower end of the first connecting rod is connected with the connecting shaft, the first connecting rod is connected with the connecting shaft through screw threads, the lower end of the connecting shaft is connected with the second connecting rod, and the connecting shaft is connected with the second connecting rod through screw threads; the utility model discloses a be connected through the first screw hole of first fixed column and first fixed column, the second connecting rod is connected with the second screw hole of second fixed column, and the axostylus axostyle in the common connection group avoids the short drawback of welded connection life, and the installation is dismantled simple and conveniently simultaneously, and long service life, and production efficiency is high, the utility model discloses a set up the radius angle in first fixed column and second fixed column junction, the bottom and the side of second fixed column set up the radius angle to reduce stress concentration, improved the intensity of axostylus axostyle, further improved the life of axostylus axostyle.
Description
Technical Field
The utility model belongs to the technical field of it is electric, concretely relates to axostylus axostyle in high life.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The middle shaft rod is arranged in the circuit breaker mechanism to achieve closing, the middle shaft rod used in the existing circuit breaker mechanism is connected in a welding mode, on one hand, after the action times are more, creep deformation can occur inside the middle shaft rod, the middle shaft rod can be elongated or broken after the action times are more, the service life is short, on the other hand, the welding connection processing is slow, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a axostylus axostyle in high life has the characteristics that the life-span is high, production efficiency is high.
In order to achieve the above object, the utility model provides a following technical scheme: a long-life shaft rod comprises a first connecting rod, a connecting shaft and a second connecting rod, wherein the lower end of the first connecting rod is connected with the connecting shaft, the first connecting rod is in threaded connection with the connecting shaft, the lower end of the connecting shaft is connected with the second connecting rod, and the connecting shaft is in threaded connection with the second connecting rod;
The connecting shaft comprises a first fixing column and a second fixing column, the first fixing column is arranged at the upper end of the second fixing column, the first fixing column and the second fixing column form a T shape, a first threaded hole is formed in the middle of the first fixing column, the opening of the first threaded hole is upward, a second threaded hole is formed in the middle of the second fixing column, and the opening of the second threaded hole is downward.
Preferably, a fillet is arranged at the joint of the first fixing column and the second fixing column.
Preferably, the bottom and the side of the second fixing column are provided with rounded corners.
Preferably, the first fixing column and the second fixing column are integrally formed.
Preferably, the diameter of the first fixing column is larger than that of the second fixing column.
Preferably, the outer part of the lower end of the first connecting rod is provided with a thread corresponding to the first threaded hole, and the outer part of the upper end of the second connecting rod is provided with a thread corresponding to the second threaded hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model discloses a be connected through the first screw hole of first fixed column and first fixed column, the second connecting rod is connected with the second screw hole of second fixed column, and axostylus axostyle in the common connection component avoids the drawback that welded connection life is short, and the installation is dismantled simple and conveniently simultaneously, and long service life, production efficiency is high.
2. The utility model discloses a set up the radius angle in first fixed column and second fixed column junction, the bottom and the side of second fixed column set up the radius angle to reduced stress concentration, improved the intensity of well axostylus axostyle, the life of well axostylus axostyle is further improved.
Drawings
Fig. 1 is a schematic structural view of the shaft rod in a long service life of the present invention.
Fig. 2 is a sectional view of the connecting shaft of the present invention.
In the figure: 1. a first connecting rod; 2. a connecting shaft; 21. a first threaded hole; 22. a second threaded hole; 23. a first fixed column; 24. a second fixed column; 3. a second connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a long-life shaft rod comprises a first connecting rod 1, a connecting shaft 2 and a second connecting rod 3, wherein the lower end of the first connecting rod 1 is connected with the connecting shaft 2, the first connecting rod 1 is in threaded connection with the connecting shaft 2, the lower end of the connecting shaft 2 is connected with the second connecting rod 3, and the connecting shaft 2 is in threaded connection with the second connecting rod 3;
The connecting shaft 2 comprises a first fixing column 23 and a second fixing column 24, the first fixing column 23 is arranged at the upper end of the second fixing column 24, the first fixing column 23 and the second fixing column 24 form a T-shaped structure, the diameter of the first fixing column 23 is larger than that of the second fixing column 24, the first fixing column 23 and the second fixing column 24 are integrally formed in order to avoid connection, save time and guarantee integrity; in order to reduce stress concentration and improve the strength of a finished piece, a fillet is arranged at the joint of the first fixing column 23 and the second fixing column 24, and fillets are arranged at the bottom and the side surface of the second fixing column 24; the inside first screw hole 21 that is provided with in the centre of first fixed column 23, first screw hole 21 opening is upwards, and the inside second screw hole 22 that is provided with in the centre of second fixed column 24, second screw hole 22 opening is downwards, and in order to install and dismantle conveniently, the lower extreme outside of first connecting rod 1 is provided with the screw thread that corresponds with first screw hole 21, and the upper end outside of second connecting rod 3 is provided with the screw thread that corresponds with second screw hole 22.
The utility model discloses a theory of operation and use flow: the utility model discloses a first fixed column 23 is connected with first screw hole 21 of first fixed column 23, and second connecting rod 3 is connected with second screw hole 22 of second fixed column 24, and axostylus axostyle in the connection component avoids the drawback that welded connection life is short, and the installation is dismantled simple and conveniently, and long service life, and production efficiency is high, and the radius angle that sets up simultaneously has reduced stress concentration, improves the intensity of well axostylus axostyle, further improves the life of well axostylus axostyle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high life axostylus axostyle, includes head rod (1), connecting axle (2) and second connecting rod (3), its characterized in that: the lower end of the first connecting rod (1) is connected with a connecting shaft (2), the first connecting rod (1) is in threaded connection with the connecting shaft (2), the lower end of the connecting shaft (2) is connected with a second connecting rod (3), and the connecting shaft (2) is in threaded connection with the second connecting rod (3);
The connecting shaft (2) comprises a first fixing column (23) and a second fixing column (24), the first fixing column (23) is arranged at the upper end of the second fixing column (24), the first fixing column (23) and the second fixing column (24) form a T shape, a first threaded hole (21) is formed in the middle of the first fixing column (23), the opening of the first threaded hole (21) is upward, a second threaded hole (22) is formed in the middle of the second fixing column (24), and the opening of the second threaded hole (22) is downward.
2. A high life axle as defined in claim 1, wherein: and a fillet is arranged at the joint of the first fixing column (23) and the second fixing column (24).
3. A high life axle as defined in claim 1, wherein: and the bottom and the side surface of the second fixing column (24) are provided with rounded corners.
4. A high life axle as defined in claim 1, wherein: the first fixing column (23) and the second fixing column (24) are integrally formed.
5. A high life axle as defined in claim 1, wherein: the diameter of the first fixing column (23) is larger than that of the second fixing column (24).
6. A high life axle as defined in claim 1, wherein: the outer portion of the lower end of the first connecting rod (1) is provided with threads corresponding to the first threaded hole (21), and the outer portion of the upper end of the second connecting rod (3) is provided with threads corresponding to the second threaded hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198895.5U CN211150464U (en) | 2019-12-10 | 2019-12-10 | Long-life shaft lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198895.5U CN211150464U (en) | 2019-12-10 | 2019-12-10 | Long-life shaft lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150464U true CN211150464U (en) | 2020-07-31 |
Family
ID=71750962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922198895.5U Active CN211150464U (en) | 2019-12-10 | 2019-12-10 | Long-life shaft lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211150464U (en) |
-
2019
- 2019-12-10 CN CN201922198895.5U patent/CN211150464U/en active Active
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