CN213598339U - Self-locking structure of telescopic rod - Google Patents
Self-locking structure of telescopic rod Download PDFInfo
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- CN213598339U CN213598339U CN202022459156.XU CN202022459156U CN213598339U CN 213598339 U CN213598339 U CN 213598339U CN 202022459156 U CN202022459156 U CN 202022459156U CN 213598339 U CN213598339 U CN 213598339U
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- annular
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- crown gear
- fixing
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Abstract
The utility model discloses a but structure of auto-lock of telescopic link, including the telescopic link, still including setting up in the connecting device that can auto-lock of telescopic link one end, connecting device includes annular column and spring, the one end overcoat of telescopic link has annular cover and telescopic link to pass through the bolt fastening, the one end of annular cover is fixed with the threaded rod, the screw thread is provided with the spliced pole on the threaded rod, the spring overcoat is on the threaded rod, the one end of spring is fixed with the annular cover, the annular column overcoat is on the threaded rod, the ring channel has been seted up to the annular column inner wall, spacing groove one and spacing groove two have been seted up respectively to the annular cover both sides, be provided with the fixed subassembly that is used for fixed annular column in spacing groove one and the spacing groove two, the one end that annular column and spliced pole are close.
Description
Technical Field
The utility model relates to a telescopic link technical field, in particular to but self-locking structure of telescopic link.
Background
The telescopic rod is a telescopic hollow cylindrical rod which is made by rolling metal strips or plastic sheets.
Present telescopic link upper end is through threaded connection external component, but when using, external force action can let the subassembly rotate on the external component for the connecting force of telescopic link and external component becomes lighter, and telescopic link and external component separate gradually.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but self-locking structure of telescopic link has the advantage that prevents telescopic link and outside subassembly autosegregation.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a but auto-lock structure of telescopic link, includes the telescopic link, still including setting up in the connecting device of the auto-lock of telescopic link one end, connecting device includes annular column and spring, the one end overcoat of telescopic link has annular cover and telescopic link to pass through the bolt fastening, the one end of annular cover is fixed with the threaded rod, the screw thread is provided with the spliced pole on the threaded rod, the spring overcoat is on the threaded rod, the one end of spring is fixed with the annular cover, the annular column overcoat is on the threaded rod, the ring channel has been seted up to the annular column inner wall, spacing groove one and spacing groove two have been seted up respectively to the annular cover both sides, be provided with the fixed subassembly that is used for fixed annular column in spacing groove one and the spacing groove two, the one end that annular column and.
Adopt above-mentioned technical scheme, it is fixed with annular post and telescopic link through fixed subassembly, the spliced pole rotates, fix the spliced pole on the threaded rod, move along with the spliced pole and drive the annular post and remove, the annular post removes and drives the spring compression, the spring compression produces elasticity, the spliced pole is fixed good back with the threaded rod, the restriction subassembly has restricted the rotation of spliced pole, when the spliced pole will be taken off, remove the annular post, the annular post removes and drives the spring compression, the spring compression produces elasticity, just can rotate the spliced pole this moment, take off the spliced pole.
Preferably, the fixed assembly comprises a first fixed limiting block and a second fixed limiting block, the first fixed limiting block and the second fixed limiting block are respectively arranged in the first limiting groove and the second limiting groove in a sliding mode, and the first fixed limiting block and the second fixed limiting block are both in threaded fit with the inner wall of the annular sleeve.
By adopting the technical scheme, the first fixed limiting block can only move in the first limiting groove, and the second fixed limiting block can only move in the second limiting groove, so that the annular column can only move along the first limiting groove and the second limiting groove.
Preferably, the limiting component comprises a first crown gear and a second crown gear, one end of the annular column is fixed with the first crown gear, one end of the connecting column is matched with the second crown gear, and the first crown gear is matched with the second crown gear.
By adopting the technical scheme, after the crown gear I and the crown gear II are in contact with each other, the crown gear I can only rotate in one direction, and the effect of rotating the connecting column in the opposite direction is limited.
Preferably, a placing hole is formed in the connecting column, a plurality of threaded through holes are formed in the inner wall of the placing hole, and locking bolts are arranged in the threaded through holes in a threaded mode.
Adopt above-mentioned technical scheme, place outside subassembly and place downtheholely, screw up the locking bolt, the locking bolt is fixed spliced pole and outside subassembly.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is a schematic cross-sectional structure diagram for showing a self-locking structure.
Reference numerals: 1. a telescopic rod; 2. a connecting device; 3. an annular column; 4. a spring; 5. an annular sleeve; 6. a threaded rod; 7. connecting columns; 8. an annular groove; 9. a first limiting groove; 10. a second limiting groove; 11. a fixing assembly; 12. a restraining component; 13. a first fixed limiting block; 14. a second fixed limiting block; 17. a crown gear I; 18. a crown gear II; 19. placing holes; 20. a threaded through hole; 21. and locking the bolt.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
Referring to fig. 1 to 2, a self-locking structure of a telescopic rod comprises a telescopic rod 1 and a self-locking connecting device 2 arranged at one end of the telescopic rod 1, wherein the connecting device 2 comprises an annular column 3 and a spring 4, an annular sleeve 5 is sleeved at one end of the telescopic rod 1, the annular sleeve 5 and the telescopic rod 1 are fixed through a bolt, a first limiting groove 9 and a second limiting groove 10 are respectively arranged at two sides of the annular sleeve 5, a fixing component 11 for fixing the annular column 3 is arranged in the first limiting groove 9 and the second limiting groove 10, the fixing component 11 comprises a first fixing limiting block 13 and a second fixing limiting block 14, the first fixing limiting block 13 and the second fixing limiting block 14 are respectively arranged in the first limiting groove 9 and the second limiting groove 10 in a sliding manner, the first fixing limiting block 13 and the second fixing limiting block 14 are both in threaded fit with the inner wall of the annular sleeve 5, and the first fixing limiting block, and rotating the annular column 3 to fix the annular column 3 with the first fixed limiting block 13 and the second fixed limiting block 14.
As shown in fig. 2, a threaded rod 6 is fixed at one end of the annular sleeve 5, a connecting column 7 is arranged on the threaded rod 6 in a threaded manner, the connecting column 7 is rotated to the threaded rod 6, the annular column 3 is driven to move along with the rotation of the connecting column 7, the spring 4 is sleeved on the threaded rod 6, one end of the spring 4 is fixed with the annular sleeve 5, the annular column 3 is sleeved on the threaded rod 6, an annular groove 8 is formed in the inner wall of the annular column 3, the annular column 3 is driven to move to drive the spring 4 to compress, and the spring 4 compresses to generate.
As shown in fig. 2, a limiting component 12 is disposed at an end of the annular column 3 close to the connecting column 7, the limiting component 12 includes a first crown gear 17 and a second crown gear 18, the end of the annular column 3 is fixed to the first crown gear 17, the end of the connecting column 7 is connected to the second crown gear 18, the first crown gear 17 is matched with the second crown gear 18, the connecting column 7 rotates to drive the second crown gear 18 to approach the first crown gear 17 until the second crown gear 18 contacts the first crown gear 17, the first crown gear 17 can only rotate in one direction, and the rotation direction of the connecting column 7 is limited.
As shown in fig. 2, a placing hole 19 is formed in the connecting column 7, an external component is placed in the placing hole 19, the placing hole 19 is formed in the connecting column 7, after the external component is placed, the locking bolt 21 is rotated until the locking bolt 21 tightly supports the external component, when the connecting column 7 is to be taken down, the annular column 3 is moved to drive the spring 4 to be compressed, the spring 4 is compressed to generate elastic force, the connecting column 7 can be rotated at the moment, the connecting column 7 is taken down, then the annular column 3 is loosened, and the elastic force of the spring 4 drives the annular column 3 to move back.
Claims (4)
1. A self-locking structure of a telescopic rod comprises a telescopic rod (1) and is characterized by further comprising a self-locking connecting device (2) arranged at one end of the telescopic rod (1), wherein the connecting device (2) comprises an annular column (3) and a spring (4), an annular sleeve (5) is sleeved outside one end of the telescopic rod (1), the annular sleeve (5) is fixed with the telescopic rod (1) through a bolt, a threaded rod (6) is fixed at one end of the annular sleeve (5), a connecting column (7) is arranged on the threaded rod (6) in a threaded manner, the spring (4) is sleeved outside the threaded rod (6), one end of the spring (4) is fixed with the annular sleeve (5), the annular column (3) is sleeved outside the threaded rod (6), an annular groove (8) is formed in the inner wall of the annular column (3), a first limiting groove (9) and a second limiting groove (10) are formed in two sides of the annular sleeve (5) respectively, and a fixing component (11) for fixing the annular column (3) is arranged in the first limiting groove (9) and the second limiting groove (10), and a limiting component (12) is arranged at one end, close to the connecting column (7), of the annular column (3).
2. The self-locking structure of the telescopic rod is characterized in that the fixing assembly (11) comprises a first fixing limiting block (13) and a second fixing limiting block (14), the first fixing limiting block (13) and the second fixing limiting block (14) are respectively arranged in the first limiting groove (9) and the second limiting groove (10) in a sliding mode, and the first fixing limiting block (13) and the second fixing limiting block (14) are both in threaded fit with the inner wall of the annular sleeve (5).
3. The structure of claim 2, characterized in that the limiting component (12) comprises a first crown gear (17) and a second crown gear (18), one end of the ring column (3) is fixed with the first crown gear (17), one end of the connecting column (7) is fixed with the second crown gear (18), and the first crown gear (17) is matched with the second crown gear (18).
4. The structure of claim 3, wherein the connecting column (7) is provided with a placing hole (19), the inner wall of the placing hole (19) is provided with a plurality of threaded through holes (20), and the threaded through holes (20) are all provided with locking bolts (21) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459156.XU CN213598339U (en) | 2020-10-29 | 2020-10-29 | Self-locking structure of telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459156.XU CN213598339U (en) | 2020-10-29 | 2020-10-29 | Self-locking structure of telescopic rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598339U true CN213598339U (en) | 2021-07-02 |
Family
ID=76594627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022459156.XU Active CN213598339U (en) | 2020-10-29 | 2020-10-29 | Self-locking structure of telescopic rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598339U (en) |
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2020
- 2020-10-29 CN CN202022459156.XU patent/CN213598339U/en active Active
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