CN220268130U - Telescopic tube locking structure using foot tube self part as locking piece - Google Patents
Telescopic tube locking structure using foot tube self part as locking piece Download PDFInfo
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- CN220268130U CN220268130U CN202321884391.9U CN202321884391U CN220268130U CN 220268130 U CN220268130 U CN 220268130U CN 202321884391 U CN202321884391 U CN 202321884391U CN 220268130 U CN220268130 U CN 220268130U
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- 238000003825 pressing Methods 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
A telescopic pipe locking structure utilizing a foot pipe self part as a locking piece comprises a telescopic pipe body formed by sequentially sleeving at least two pipe sections (1) and a locking mechanism for locking each pipe section (1) of the telescopic pipe body, wherein an elastic locking piece (2) is arranged at the end part of one pipe section (1) of two adjacent pipe sections (1), and the locking mechanism locks two adjacent pipe sections (1) by applying pressure to the elastic locking piece (2). The utility model has the advantages that: the self part of the end part of the pipe joint is used as an elastic locking piece, so that the stability of the locking structure is improved, the structure is simple, and the cost is saved.
Description
Technical Field
The utility model relates to the field of telescopic rods, in particular to a telescopic tube locking structure using a foot tube part as a locking piece.
Background
At present, the telescopic link is widely applied to various fields of production and life, is generally formed by sleeving a plurality of sections of pipe bodies with gradually increased pipe diameters, can adjust the length and is fixed, such as a support rod and a tripod for the most common electronic products, the locking of each pipe body of the telescopic link is independent, the existing locking mechanism is generally realized by additionally adding locking pieces which are in contact with the part to be locked and then pressing the locking pieces together through external force, the structure is complex, the cost is higher, the locking part is easy to shake, and the stability is poor.
Disclosure of Invention
The present utility model aims to overcome the above-mentioned drawbacks, and provides a telescopic tube locking structure using the foot tube itself as a locking piece.
The utility model comprises a telescopic pipe body formed by sequentially sleeving at least two pipe joints and a locking mechanism for locking each pipe joint of the telescopic pipe body,
an elastic locking piece is arranged at the end part of one of the two adjacent pipe joints,
the locking mechanism locks the two adjacent pipe joints by applying pressure to the elastic locking piece.
The elastic locking piece is arranged at the end part of the pipe joint positioned at the outer side of the two adjacent pipe joints, the locking mechanism comprises a fixing frame and a cam locking rod rotatably arranged on the fixing frame,
the fixing frame is fixedly arranged on the pipe joint positioned on the outer side of the two adjacent pipe joints, and the cam of the cam locking rod is matched with the elastic locking piece to lock the two adjacent pipe joints.
The elastic locking piece is arranged at the end part of the pipe joint positioned at the outer side of the adjacent two pipe joints,
the locking mechanism comprises an inner pipe sleeve and an outer pipe sleeve, the inner pipe sleeve is fixedly arranged on the pipe joint positioned on the outer side of the two adjacent pipe joints, the outer pipe sleeve is in threaded connection with the inner pipe sleeve, and wedge-shaped inclined planes which are matched with each other are arranged on the joint surfaces of the outer pipe sleeve and the inner pipe sleeve.
The elastic locking piece is arranged at the end part of the pipe joint positioned at the inner side of the adjacent two pipe joints,
the locking mechanism comprises a fixed wedge block and a movable wedge block which are respectively arranged on the inner pipe joint of the two adjacent pipe joints,
and a control part for controlling the movement of the movable wedge block is arranged on the pipe joint positioned at the inner side.
The elastic locking piece and the pipe joint are integrally cut and formed.
The elastic locking piece is provided with a brake block, and the brake block is fixedly arranged on the inner side of the elastic locking piece.
The elastic locking piece is provided with a brake block, and the brake block is fixedly arranged on the outer side of the elastic locking piece.
The fixed wedge block is provided with a U-shaped guide groove, the movable wedge block is provided with a guide convex block matched with the U-shaped guide groove, and the U-shaped guide groove and the guide convex block are respectively provided with a matched wedge surface.
The control part is a bar-shaped pull rod, a pull rod mounting groove is formed in the side wall of the pipe joint positioned on the inner side of the two adjacent pipe joints, and the bar-shaped pull rod is positioned in the groove.
The end part of the outer pipe joint matched with the elastic locking piece is provided with a fixed pipe sleeve.
The utility model has the advantages that: the self part of the end part of the pipe joint is used as an elastic locking piece, so that the stability of the locking structure is improved, the structure is simple, and the cost is saved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of a second embodiment of the present utility model.
Fig. 3 is a schematic structural view of a third embodiment of the present utility model.
Fig. 4 is a schematic view of the fixed and movable wedge mounting structures.
Fig. 5 is an exploded view of the fixed wedge and the movable wedge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in the attached drawing, the utility model comprises a telescopic pipe body formed by sequentially sleeving at least two pipe joints 1 and a locking mechanism for locking each pipe joint 1 of the telescopic pipe body,
the end part of one pipe section 1 of the two adjacent pipe sections 1 is provided with an elastic locking piece 2,
the locking mechanism locks between two adjacent pipe sections 1 by applying pressure to the elastic locking piece 2.
The elastic locking piece 2 and the pipe joint 1 are integrated, and the locking mechanism locks two adjacent pipe joints 1 by extruding the elastic locking piece 2 from the outer side or the inner side to deform the elastic locking piece.
In the first embodiment, the elastic locking piece 2 is arranged at the end part of the pipe joint 1 positioned at the outer side of the adjacent two pipe joints 1, the locking mechanism comprises a fixing frame 10 and a cam locking rod 11 rotatably arranged on the fixing frame 10,
the fixing frame 10 is fixedly arranged on the pipe joint 1 positioned on the outer side of the two adjacent pipe joints 1, and the cam of the cam locking rod 11 is matched with the elastic locking piece 2 to lock the two adjacent pipe joints 1.
The fixing frame 10 is fixed at the end part of the pipe joint 1 in a gluing or clamping groove mode, and only the cam locking rod 11 is needed to be pressed downwards when locking is carried out, and the cam of the cam locking rod 11 presses the elastic locking piece 2 from outside to inside, so that the elastic locking piece is deformed to lock the end part of the inner pipe joint 1.
In the second embodiment, the elastic locking piece 2 is arranged at the end of the pipe joint 1 positioned at the outer side of the adjacent two pipe joints 1,
the locking mechanism comprises an inner pipe sleeve 21 and an outer pipe sleeve 22, wherein the inner pipe sleeve 21 is fixedly arranged on the pipe joint 1 positioned on the outer side of two adjacent pipe joints 1, the outer pipe sleeve 22 is in threaded connection with the inner pipe sleeve 21, and wedge-shaped inclined planes which are matched with each other are arranged on the joint surfaces of the outer pipe sleeve 22 and the inner pipe sleeve 21.
The inner sleeve 21 is a conical expansion sleeve, the conical expansion sleeve is fixed on the elastic locking pieces 2 through adhesive, the side walls of the conical expansion sleeve correspond to the elastic locking pieces 2, when the outer sleeve 22 is rotated, the outer sleeve 22 moves upwards, the inner sleeve 21 and the elastic locking pieces 2 are extruded from the outside to the inside through wedge-shaped inclined planes, and the elastic locking pieces 2 deform to lock the end parts of the inner pipe joint 1.
In the third embodiment, the elastic locking piece 2 is arranged at the end of the pipe joint 1 positioned at the inner side of the adjacent two pipe joints 1,
the locking mechanism comprises a fixed wedge block 30 and a movable wedge block 31 which are respectively arranged on the adjacent two pipe sections 1 and positioned on the inner pipe section 1,
and a control part 35 for controlling the movement of the movable wedge 31 is provided on the pipe section 1 positioned at the inner side.
The fixed wedge block 30 is fixed in the pipe joint 1 positioned at the end of the elastic locking piece 2 through adhesive, when the control part 35 pushes the movable wedge block 31, the inclined planes of the movable wedge block 31 and the fixed wedge block 30 cooperate to enable the movable wedge block 31 and the fixed wedge block 30 to oppositely translate, namely to be outwards spread, and the elastic locking piece 2 is deformed when spread, so that the end of the outer pipe joint 1 is locked.
Further, the elastic locking piece 2 and the pipe joint 1 are integrally cut and formed.
The elastic locking piece 2 is provided with a brake pad 42, and the brake pad 42 is fixedly arranged on the inner side of the elastic locking piece 2. In the first and second embodiments, since the elastic locking piece 2 is located on the pipe joint 1 on the outer side, and the locking is performed by pressing the elastic locking piece 2 from the outer side to the inner side, the brake pad 42 is located on the inner side of the elastic locking piece 2.
The elastic locking piece 2 is provided with a brake pad 42, and the brake pad 42 is fixedly arranged on the outer side of the elastic locking piece 2. In the third embodiment, since the elastic locking piece 2 is located on the pipe joint 1 on the inner side, the locking is performed by pressing the elastic locking piece 2 from the inner side to the outer side, and thus the brake pad 42 is located on the outer side of the elastic locking piece 2.
The brake pads 42 are all fixed by glue, so as to increase the friction force of the locking of the joint parts of the two pipe joints and prevent loosening.
The fixed wedge block 30 is provided with a U-shaped guide groove 33, the movable wedge block 31 is provided with a guide lug 34 matched with the U-shaped guide groove 33, and the U-shaped guide groove 33 and the guide lug 34 are respectively provided with a matched wedge surface.
The control part 35 is a bar-shaped pull rod, a pull rod mounting groove is formed in the side wall of the pipe section 1 positioned on the inner side of the adjacent two pipe sections 1, and the bar-shaped pull rod is positioned in the groove.
For example, one end of the bar-shaped pull rod is provided with a handle, the handle is hinged on the bar-shaped pull rod through a pin shaft, when the pipe section 1 positioned at the inner side is contracted into the pipe section 1 positioned at the outer side, the handle can be folded and stored into the pull rod mounting groove together, otherwise, when the pipe section 1 positioned at the inner side is pulled out of the pipe section 1 positioned at the outer side and needs to be locked, the handle is opened, so that the action of the bar-shaped pull rod can be controlled conveniently;
the control unit 35 of the present embodiment is not limited to only this one form.
In the third embodiment, the end of the outer pipe section 1 that cooperates with the elastic locking piece 2 is provided with a fixing socket 41. The fixing socket 41 is used to reinforce the outer end of the pipe joint 1 and avoid deformation of the end.
Similarly, in the first and second embodiments, a reinforcing sleeve may be provided on the inner wall of the inner pipe joint 1 used in cooperation with the elastic locking piece 2.
Claims (10)
1. A telescopic tube locking structure using the foot tube itself as a locking piece comprises a telescopic tube body formed by sequentially sleeving at least two tube sections (1) and a locking mechanism for locking each tube section (1) of the telescopic tube body,
it is characterized in that the end part of one pipe joint (1) in two adjacent pipe joints (1) is provided with an elastic locking piece (2),
the locking mechanism locks two adjacent pipe joints (1) by applying pressure to the elastic locking piece (2).
2. A telescopic tube locking structure using the foot tube itself as a locking tab according to claim 1, characterized in that the elastic locking tab (2) is provided at the outer tube segment (1) end of the adjacent two tube segments (1), the locking mechanism comprises a fixed frame (10) and a cam locking lever (11) rotatably mounted on the fixed frame (10),
the fixing frame (10) is fixedly arranged on the pipe joint (1) positioned on the outer side of the two adjacent pipe joints (1), and the cam of the cam locking rod (11) is matched with the elastic locking piece (2) to lock the two adjacent pipe joints (1).
3. A telescopic tube locking structure utilizing a foot tube itself part as locking tab according to claim 1, characterized in that the elastic locking tab (2) is arranged at the end of the tube segment (1) located outside the adjacent two tube segments (1),
the locking mechanism comprises an inner pipe sleeve (21) and an outer pipe sleeve (22), wherein the inner pipe sleeve (21) is fixedly arranged on pipe joints (1) positioned on the outer side of two adjacent pipe joints (1), the outer pipe sleeve (22) is connected with the inner pipe sleeve (21) in a threaded manner, and wedge-shaped inclined planes which are matched with each other are arranged on the joint surfaces of the outer pipe sleeve (22) and the inner pipe sleeve (21).
4. A telescopic tube locking structure utilizing the foot tube itself part as a locking tab according to claim 1, characterized in that the elastic locking tab (2) is arranged at the end of the tube segment (1) located inside the adjacent two tube segments (1),
the locking mechanism comprises a fixed wedge block (30) and a movable wedge block (31) which are respectively arranged on two adjacent pipe sections (1) and positioned on the inner pipe section (1),
and a control part (35) for controlling the movement of the movable wedge block (31) is arranged on the pipe joint (1) positioned at the inner side.
5. A telescopic tube locking structure using the leg tube itself as a locking tab according to any of claims 1 to 4, characterized in that the elastic locking tab (2) is integrally cut-formed with the tube segment (1).
6. A telescopic pipe locking structure using the leg itself as a locking piece according to any of claims 2 or 3, characterized in that the elastic locking piece (2) is provided with a brake piece (42), said brake piece (42) being fixedly mounted inside the elastic locking piece (2).
7. The telescopic pipe locking structure using the foot pipe as the locking piece according to claim 4, wherein the elastic locking piece (2) is provided with a brake block (42), and the brake block (42) is fixedly arranged on the outer side of the elastic locking piece (2).
8. The telescopic tube locking structure using the foot tube itself as the locking piece according to claim 4, characterized in that the fixed wedge block (30) is provided with a U-shaped guiding groove (33), the movable wedge block (31) is provided with a guiding convex block (34) matched with the U-shaped guiding groove (33), and the U-shaped guiding groove (33) and the guiding convex block (34) are respectively provided with a matched wedge surface.
9. The telescopic tube locking structure using the foot tube self part as the locking piece according to claim 4, wherein the control part (35) is a bar-shaped pull rod, a pull rod mounting groove is arranged on the side wall of the tube segment (1) positioned at the inner side of the two adjacent tube segments (1), and the bar-shaped pull rod is positioned in the groove.
10. A telescopic tube locking structure utilizing a foot tube itself part as a locking tab according to claim 4, characterized in that the end of the outer tube segment (1) cooperating with the elastic locking tab (2) is provided with a fixing tube socket (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884391.9U CN220268130U (en) | 2023-07-18 | 2023-07-18 | Telescopic tube locking structure using foot tube self part as locking piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884391.9U CN220268130U (en) | 2023-07-18 | 2023-07-18 | Telescopic tube locking structure using foot tube self part as locking piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268130U true CN220268130U (en) | 2023-12-29 |
Family
ID=89301883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321884391.9U Active CN220268130U (en) | 2023-07-18 | 2023-07-18 | Telescopic tube locking structure using foot tube self part as locking piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268130U (en) |
-
2023
- 2023-07-18 CN CN202321884391.9U patent/CN220268130U/en active Active
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