CN219953862U - Telescopic rod lock catch and telescopic pipe - Google Patents
Telescopic rod lock catch and telescopic pipe Download PDFInfo
- Publication number
- CN219953862U CN219953862U CN202321528886.8U CN202321528886U CN219953862U CN 219953862 U CN219953862 U CN 219953862U CN 202321528886 U CN202321528886 U CN 202321528886U CN 219953862 U CN219953862 U CN 219953862U
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- locking
- telescopic
- handle
- inner tube
- tube
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a telescopic rod lock catch and a telescopic pipe, and belongs to the technical field of telescopic pipe fittings. The movable end is provided with two convex locking blocks, the locking blocks are provided with locking mechanisms which are matched with each other, the opposite surfaces of the two locking blocks are arranged in a V shape, one surface of one locking block I, which is opposite to the V shape, is provided with an inclined surface, and the end part of the inclined surface which is upward is connected with an arc-shaped surface I; the locking mechanism comprises a handle, a rotatable locking bolt is arranged in the handle, a locking groove matched with the locking bolt is formed in the locking block, and a locking nut is arranged at the working end of the locking bolt; the handle is provided with a lug with an arc-shaped surface II, and when the handle is rotated, the arc-shaped surface II of the lug moves upwards along the inclined plane to the arc-shaped surface I to shrink the V-shape, so that compression locking is formed on the inner tube. The telescopic rod lock catch and the telescopic tube are low in manufacturing cost, the inner tube slides smoothly after unlocking, the pretightening force is low after unlocking, and the inner tube is prevented from being scratched.
Description
Technical Field
The utility model relates to a telescopic rod lock catch and a telescopic pipe, and belongs to the technical field of telescopic pipe fittings.
Background
The telescopic pipe is a common mechanical structure capable of realizing the telescopic operation to adjust the length, the telescopic rod lock catch is a locking device for locking the telescopic pipe, the prior patent of the utility model is CN201920630852.7, and the structure is as follows: the annular hoop body is provided with an opening, the inner surface of the annular hoop body is fixedly provided with a bushing, the first end of the bushing is abutted against the annular groove part, and the annular groove part is fixedly provided with a protruding part; the two sides of the opening are provided with through grooves along the circumferential direction of the annular hoop body, and the through grooves are positioned right above the first end of the bushing; the annular hoop bodies on two sides of the through groove are respectively provided with a locking mechanism; the locking mechanism comprises a first flange and a second flange which are fixed on two sides of the opening and a fastener; in this embodiment, the through-slot side fastener includes a bolt and a nut, the bolt penetrating through the first flange, the second flange in order and being fastened by the nut; the fastener comprises a bolt, a locking knob, a spring, a connecting shaft, a handle and a gasket, wherein the bolt sequentially penetrates through the locking knob, the first flange, the second flange, the gasket and the connecting shaft, the bolt is connected with the locking knob and the connecting shaft through threads, the handle is rotationally connected with the connecting shaft, meshing teeth matched with each other are arranged on the abutting end surfaces of the locking knob and the first flange, and the spring is sleeved between the gasket and the second flange. After the use, the spring is found to be high in manufacturing cost, high in assembly difficulty and low in locking force, but after the lock catch is unlocked and locked, the inner tube still has high pretightening force, and the inner tube slides outwards not very smoothly and is easy to scratch.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects of the prior art, provides a telescopic rod lock catch and a telescopic pipe, has low manufacturing cost, ensures that the inner pipe slides smoothly after unlocking, has low pretightening force after unlocking, and avoids the inner pipe from being scratched.
The telescopic rod lock catch comprises a clamp body, wherein two ends of the clamp body are respectively provided with a fixed end and a movable end for locking, the movable end is provided with two convex locking blocks, the locking blocks are provided with locking mechanisms which are matched with each other, the opposite surfaces of the two locking blocks are arranged in a V shape, one surface of one locking block I opposite to the V shape is provided with an inclined surface, and the end part of the inclined surface which is upwards is connected with an arc-shaped surface I; the locking mechanism comprises a handle, a rotatable locking bolt is arranged in the handle, a locking groove matched with the locking bolt is formed in the locking block, and a locking nut is arranged at the working end of the locking bolt; the handle is provided with a lug with an arc-shaped surface II, and when the handle is rotated, the arc-shaped surface II of the lug moves upwards along the inclined plane to the arc-shaped surface I to shrink the V-shape, so that compression locking is formed on the inner tube.
Further, lock nut includes knob and hexagon nut, is equipped with the draw-in groove with hexagon nut looks adaptation on the knob, and knob one end sets up to the cylinder section, and the terminal surface of cylinder section is equipped with the arch.
Further, one surface of the other locking block II, which is opposite to the V-shaped surface, is provided with a round hole matched with the cylindrical section, and the bottom of the round hole is provided with a groove matched with the protrusion.
Further, the end part of the locking bolt is transversely fixed with a cylindrical block, one end of the handle is provided with a cylindrical groove matched with the cylindrical block, and a notch for supporting the working end of the locking bolt to rotate is also formed in the cylindrical groove.
The telescopic pipe is locked by the telescopic rod, the telescopic pipe comprises an outer pipe and an inner pipe which is sleeved in the outer pipe and can move relatively, the end part of the outer pipe is arranged on the fixed end, the inner pipe can move in the movable end, and after the handle is rotated, the movable end is locked, and the inner pipe is fixed with the movable end.
Further, the cross sections of the inner tube and the outer tube are simultaneously set to be circular.
Further, the cross sections of the inner tube and the outer tube are simultaneously set to be a lux triangle.
Further, the cross sections of the inner tube and the outer tube are simultaneously set to be elliptical.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the V-shaped arrangement between the locking blocks is matched with the opposite V-shaped surface to form the inclined surface, so that the locking is firmer, other mechanical structures are not required to be arranged, the inclined surface is simply arranged, the cost is greatly reduced, the locking bolt rapidly enters the notch during unlocking, rapid unlocking is realized, the locking force can be adjusted at any time by installing the locking nut to be matched with the locking bolt and the handle, and even after unlocking, the inner pipe can slide more smoothly by debugging the locking nut.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
FIG. 2 is a right side view of embodiment 1 of the present utility model;
FIG. 3 is a full cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an exploded view of example 1 of the present utility model;
FIG. 5 is a schematic view of a clip body according to embodiment 1 of the present utility model;
FIG. 6 is a second schematic view of the structure of the clip according to embodiment 1 of the present utility model;
FIG. 7 is a full cross-sectional view of the clip body of example 1 of the present utility model;
FIG. 8 is a schematic view of the handle of embodiment 1 of the present utility model;
FIG. 9 is a second schematic view of the handle structure of embodiment 1 of the present utility model;
FIG. 10 is a schematic view of a knob according to embodiment 1 of the present utility model;
FIG. 11 is a second schematic view of the knob according to embodiment 1 of the present utility model;
fig. 12 is a schematic structural view of embodiment 2 of the present utility model;
fig. 13 is a front view of embodiment 2 of the present utility model;
in the figure:
1. a handle; 11. a cylindrical groove; 12. a notch; 13. an arc-shaped surface II;
2. a lock nut; 21. a hexagonal nut; 22. a knob; 221. a cylindrical section; 222. a protrusion;
3. a locking bolt; 31. a cylindrical block;
4. a clamp body; 41. a movable end; 42. a fixed end; 43. a locking block; 431. locking block I; 4311. an inclined surface; 4312. an arc-shaped surface I; 432. v-shape; 433. a locking block II; 4331. a round hole; 4332. a groove; 434. a locking groove;
5. an outer tube;
6. an inner tube.
Detailed Description
Example 1
As shown in fig. 1 to 11, the telescopic rod lock catch of the utility model comprises a clip body 4, wherein two ends of the clip body 4 are respectively provided with a fixed end 42 and a movable end 41 for locking, the movable end 41 is provided with two convex locking blocks 43, the locking blocks 43 are provided with locking mechanisms which are matched with each other, the opposite surfaces of the two locking blocks 43 are arranged in a V shape 432, one surface of one locking block I431 opposite to the V shape 432 is arranged in an inclined surface 4311, and the end part of the upward inclined surface 4311 is connected with an arc-shaped surface I4312; the locking mechanism comprises a handle 1, a rotatable locking bolt 3 is arranged in the handle 1, a locking groove 434 matched with the locking bolt 3 is formed in a locking block 43, and a locking nut 2 is arranged at the working end of the locking bolt 3; the handle 1 is provided with a lug with an arc-shaped surface II 13, and when the handle 1 is rotated, the arc-shaped surface II 13 of the lug moves upwards to the arc-shaped surface I4312 along the inclined surface 4311 to shrink the V-shaped 432, so that compression locking is formed on the inner tube 6.
The lock nut 2 comprises a knob 22 and a hexagonal nut 21, a clamping groove matched with the hexagonal nut 21 is formed in the knob 22, one end of the knob 22 is provided with a cylindrical section 221, and the end face of the cylindrical section 221 is provided with a protrusion 222.
Opposite to the locking block I431, another locking block 43 is a locking block II 433, a round hole 4331 matched with the cylindrical section 221 is arranged on the surface of the locking block II 433 opposite to the V-shaped 432, and a groove 4332 matched with the protrusion 222 is arranged at the bottom of the round hole 4331.
The end part of the locking bolt is transversely fixed with a cylindrical block 31, one end of the handle 1 is provided with a cylindrical groove 11 matched with the cylindrical block 31, and a notch 12 for supporting the working end of the locking bolt 3 to rotate is also arranged in the cylindrical groove 11.
Working process or working principle:
the fixed end 42 of the clamp body 4 is fixed through the inner hexagon bolt and the hexagon nut, when the handle 1 is rotated, the arc face II 13 of the lug moves upwards to the arc face I4312 along the inclined face 4311 to enable the V-shaped 432 to shrink, so that compression locking is formed on the inner tube 6, when the handle 1 is unlocked, the threaded cylinder of the locking bolt 3 is reversely rotated to rapidly enter the notch 12 to achieve unlocking, and at the moment, the inner tube can be adjusted.
Example 2
As shown in fig. 12 to 13, the telescopic tube for the telescopic rod lock catch of the present utility model comprises an outer tube 5 and an inner tube 6 which is sleeved in the outer tube 5 and can move relatively, wherein the end part of the outer tube 5 is arranged on a fixed end 42, the inner tube 6 can move in a movable end 41, and when the handle 1 is rotated, the movable end 41 is locked, and the inner tube 6 is fixed with the movable end 41.
The cross sections of the inner tube 6 and the outer tube 5 are simultaneously arranged in a lux triangle.
The procedure is as in example 1.
Working process or working principle:
the cross section is in the shape of a Lorentz triangle, which can prevent the inner tube 6 and the outer tube 5 from rotating, which is the function not possessed by the round tube
Example 3
Unlike example 2, the following is:
the cross sections of the inner tube 6 and the outer tube 5 are simultaneously arranged in a circular shape.
Example 4
Unlike example 2 and example 3, the following are:
the cross sections of the inner tube 6 and the outer tube 5 are simultaneously set to be elliptical, and the elliptical shape can also prevent the inner tube 6 and the outer tube 5 from generating rotation to influence the use.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.
Claims (8)
1. The telescopic rod lock catch comprises a clamp body (4), wherein two ends of the clamp body (4) are respectively provided with a fixed end (42) and a movable end (41) for locking, the movable end (41) is provided with two convex locking blocks (43), and the locking blocks (43) are provided with locking mechanisms which are matched with each other, and the telescopic rod lock catch is characterized in that the opposite surfaces of the two locking blocks (43) are arranged in a V shape (432), one surface of one locking block I (431) opposite to the V shape (432) is provided with an inclined surface (4311), and the end part of the upward inclined surface (4311) is connected with an arc-shaped surface I (4312); the locking mechanism comprises a handle (1), a rotatable locking bolt (3) is arranged in the handle (1), a locking groove matched with the locking bolt (3) is formed in a locking block (43), and a locking nut (2) is arranged at the working end of the locking bolt (3); the handle (1) is provided with a lug with an arc-shaped surface II (13), and when the handle (1) is rotated, the arc-shaped surface II (13) of the lug moves upwards to the arc-shaped surface I (4312) along the inclined surface (4311) to shrink the V-shaped part (432), so that compression locking is formed on the inner tube (6).
2. The telescopic link lock catch according to claim 1, characterized in that the lock nut (2) comprises a knob (22) and a hexagonal nut (21), a clamping groove matched with the hexagonal nut (21) is formed in the knob (22), one end of the knob (22) is provided with a cylindrical section (221), and the end face of the cylindrical section (221) is provided with a protrusion (222).
3. The telescopic link lock according to claim 1, wherein the other locking block (43) opposite to the locking block i (431) is a locking block ii (433), a round hole (4331) adapted to the cylindrical section (221) is provided on a surface of the locking block ii (433) opposite to the V-shaped (432), and a groove (4332) adapted to the protrusion (222) is provided at the bottom of the round hole (4331).
4. A telescopic link lock according to any one of claims 1-3, characterized in that the end of the locking bolt (3) is provided with a cylindrical block (31) which is transversely fixed, one end of the handle (1) is provided with a cylindrical groove (11) which is adapted to the cylindrical block (31), and a notch (12) which supports the rotation of the working end of the locking bolt (3) is also provided in the cylindrical groove (11).
5. A telescopic tube using a telescopic rod lock according to any of claims 1-4, characterized in that the telescopic tube comprises an outer tube (5) and an inner tube (6) which is arranged inside the outer tube (5) in a relatively movable manner, the end of the outer tube (5) is arranged on a fixed end (42), the inner tube (6) is movable in a movable end (41), the movable end (41) is locked after the handle (1) is turned, and the inner tube (6) is fixed with the movable end (41).
6. Telescopic tube for a telescopic rod lock according to claim 5, characterized in that the cross section of the inner tube (6) and the outer tube (5) are simultaneously arranged in a circular shape.
7. Telescopic tube for a telescopic rod lock according to claim 5, characterized in that the cross section of the inner tube (6) and the outer tube (5) are simultaneously arranged in the form of a lux triangle.
8. Telescopic tube for a telescopic rod lock according to claim 5, characterized in that the cross section of the inner tube (6) and the outer tube (5) is simultaneously provided as an oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528886.8U CN219953862U (en) | 2023-06-15 | 2023-06-15 | Telescopic rod lock catch and telescopic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528886.8U CN219953862U (en) | 2023-06-15 | 2023-06-15 | Telescopic rod lock catch and telescopic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953862U true CN219953862U (en) | 2023-11-03 |
Family
ID=88538254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321528886.8U Active CN219953862U (en) | 2023-06-15 | 2023-06-15 | Telescopic rod lock catch and telescopic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953862U (en) |
-
2023
- 2023-06-15 CN CN202321528886.8U patent/CN219953862U/en active Active
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