CN219953860U - Telescopic rod - Google Patents
Telescopic rod Download PDFInfo
- Publication number
- CN219953860U CN219953860U CN202321250365.0U CN202321250365U CN219953860U CN 219953860 U CN219953860 U CN 219953860U CN 202321250365 U CN202321250365 U CN 202321250365U CN 219953860 U CN219953860 U CN 219953860U
- Authority
- CN
- China
- Prior art keywords
- wall
- outer tube
- tube
- inner tube
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 241000446313 Lamella Species 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model discloses a multi-section telescopic rod, which comprises an outer pipe and an inner pipe, wherein the inner pipe is sleeved in the outer pipe, the outer pipe and the inner pipe can relatively stretch, a gap with uneven size is arranged between the inner wall of the outer pipe and the outer wall of the inner pipe, a thin sheet is arranged in the gap, and the thin sheet is driven to rotate when the outer pipe and the inner pipe relatively rotate; the telescopic rod provided by the utility model is convenient to lock and attractive in appearance, and the locking efficiency and the integral aesthetic feeling of the telescopic rod are improved.
Description
Technical Field
The utility model relates to a telescopic rod, in particular to a telescopic rod capable of being maintained manually.
Background
At present, the telescopic rod is widely applied to various products, and is commonly provided with a telescopic selfie stick, a telescopic umbrella handle, a telescopic draw-bar box and the like, the telescopic rod has the characteristic of telescopic and lockable, can be stretched to a required length and locked during working, and can be retracted to a length convenient to store and carry and locked when not required, so that the telescopic rod can also meet the use requirements of users to a great extent.
However, the conventional telescopic rod has the following drawbacks:
(1) The locking mechanism mainly comprises a locking mechanism, wherein the locking mechanism locks the telescopic rod through parts such as a buckle or a rocker, and the parts of the locking mechanism are scattered, large in size and mounted outside the telescopic rod, so that the whole aesthetic feeling of the telescopic rod is influenced.
(2) The locking mechanism mainly comprises a nut and the like, and the telescopic rod is locked through the cooperation of the screw thread, the nut and the like, and the parts of the locking mechanism are usually assembled in one part, but the operation is complex, the locking efficiency is low and the time is long.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide a telescopic rod, which does not influence the whole aesthetic feeling of the telescopic rod and has a convenient locking function.
The utility model adopts the following technical scheme:
the utility model provides a telescopic link, includes outer tube, inner tube, the inner tube cup joints the inside of outer tube, the outer tube with the inner tube can stretch out and draw back relatively, the inner wall of outer tube with the clearance of non-uniform size has between the outer wall of inner tube, be equipped with the thin slice in the clearance, the thin slice is installed on the outer wall of inner tube, the inner tube with when the outer tube rotates relatively, the inner tube drives the thin slice rotates.
Further, the inner wall of the outer tube is a wall body with uneven thickness, and the inner wall of the outer tube and the outer wall of the inner tube are both abutted with the thin sheet and the thickness of the thin sheet is uneven.
Further, the radius of the inner tube is smaller than the outer tube, and the maximum thickness of the sheet is smaller than the difference between the radius of the inner tube and the radius of the outer tube.
Further, the specific structure of the inner wall of the outer tube is two sections of wall bodies with the same thickness and gradual change, two sheets are arranged, the thickness of the two sheets is gradually changed reversely relative to the inner wall of the outer tube, and the two sheets respectively correspond to the two sections of wall bodies with the gradual change.
Further, the two sides of the bottom of the inner tube are provided with lower notches, the inner sides of the thin sheets are provided with first protruding blocks, the first protruding blocks are matched with the lower notches, and the two thin sheets are respectively installed on the two sides of the bottom of the inner tube through the lower notches.
Further, the device also comprises a locking ring, wherein the locking ring is arranged at the top of the outer tube, the top of the locking ring is a circular ring structure matched with the tube orifice of the outer tube, an annular cylinder structure with the radius slightly smaller than that of the circular ring structure is arranged below the circular ring structure, and the thickness of the annular cylinder structure is uneven, in particular to the reverse gradual change with the inner wall of the outer tube; the outer tube is provided with an upper notch, the annular cylinder structure is provided with a second lug, and the second lug is matched with the upper notch.
Further, the inner wall of the inner tube has the same structure as the inner wall of the outer tube, additional notches are formed in two sides of the top of the inner tube, and the annular cylinder structure is correspondingly abutted to the inner wall of the outer tube.
Further, the material of the locking ring and the sheet is plastic material.
Further, the telescopic rod is made of alloy materials.
Further, an anti-slip layer is arranged at the bottom of the outer side of the outer tube.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The whole aesthetic feeling of the telescopic rod is guaranteed, and the locking function of the telescopic rod can be realized without installing any part outside the telescopic rod.
(2) The locking is convenient, when needs carry out the locking to the telescopic link, can directly through with outer tube and inner tube relative rotation corresponding angle can, promote locking efficiency greatly.
Drawings
FIG. 1 is a schematic view of a telescopic rod according to the present utility model;
FIG. 2 is a schematic view of the bottom of the telescopic rod of the present utility model;
FIG. 3 is a schematic view of the top of the telescopic rod of the present utility model;
FIG. 4 is a schematic view of the structure of the additional tube in the telescopic rod of the present utility model;
FIG. 5 is a schematic view of the structure of a sheet in the telescopic rod of the present utility model;
FIG. 6 is a schematic view of the structure of the locking ring in the telescopic rod of the present utility model;
FIG. 7 is a cross-sectional view of the telescopic rod of the present utility model in an unlocked state;
FIG. 8 is a cross-sectional view of the telescopic rod of the present utility model in an unlocked state;
FIG. 9 is a cross-sectional view of the telescopic rod of the present utility model in a locked state;
FIG. 10 is a cross-sectional view of the utility model showing the completion of the installation of the locking ring in the telescoping rod;
in the figure: 1. an outer tube; 2. an inner tube; 3. a sheet; 4. a locking ring; 5. an upper notch; 6. a second bump; 7. a lower notch; 8. and a first bump.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-9.
Example 1
7-9, a telescopic link, including outer tube 1, inner tube 2 cup joints in the inside of outer tube 1, and outer tube 1 and inner tube 2 can stretch out and draw back relatively, have the inhomogeneous clearance of size between the inner wall of outer tube 1 and the outer wall of inner tube 2, are equipped with lamella 3 in the clearance, and lamella 3 is installed on the outer wall of inner tube 2, and when inner tube 2 and outer tube 1 rotated relatively, inner tube 2 drove lamella 3 and rotated.
In this embodiment, the inner wall of the outer tube 1 is a wall body with uneven thickness, the inner wall of the outer tube 1 and the outer wall of the inner tube 2 are both abutted with the thin sheet 3, and the thickness of the thin sheet 3 is uneven; the radius of the inner tube 2 is smaller than that of the outer tube 1, and the maximum thickness of the sheet 3 is smaller than the difference between the radius of the inner tube 2 and that of the outer tube 1; the specific structure of the inner wall of the outer tube 1 is two sections of wall bodies with the same thickness and gradual change, two sheets 3 are arranged, the thickness of the two sheets 3 is in reverse gradual change relative to the inner wall of the outer tube 1, and the two sheets 3 are respectively in corresponding butt joint with the two sections of wall bodies with the gradual change.
In this embodiment, the specific relationship among the inner wall of the outer tube 1, the outer wall of the inner tube 2 and the sheet 3 is that the portion of the inner wall of the outer tube 1 having the largest thickness is abutted against the portion of the sheet 3 having the smallest thickness, and the outer wall of the inner tube 2 is abutted against the sheet 3.
In this embodiment, the two sides of the bottom of the inner tube 2 are provided with lower notches 7, the inner sides of the thin sheets 3 are provided with first protruding blocks 8, the first protruding blocks 8 are matched with the lower notches 7, and the two thin sheets 3 are respectively arranged on the two sides of the bottom of the inner tube 2 through the lower notches 7; during installation, the first convex blocks 8 on the two sheets 3 are respectively clamped into the two lower notches 7 positioned on two sides of the bottom of the inner tube 2, the inner tube 2 is sleeved into the outer tube 1, the part with the largest thickness of the sheet 3 corresponds to the part with the smallest thickness in the inner wall of the outer tube 1, finally, the inner tube 2 and the outer tube 1 are relatively rotated by a certain angle, the part with the largest thickness in the sheet 3 gradually turns to the part with the largest thickness in the inner wall of the outer tube 1, in the process, the gap between the sheet 3 and the inner wall of the outer tube 1 gradually becomes smaller, and the friction force between the inner wall of the outer tube 1 and the sheet 3 gradually increases to a locking state; when unlocking, only the inner tube 2 and the outer tube 1 are required to reversely rotate by a certain angle relative to the locking rotation direction, the part with the largest thickness in the sheet 3 gradually rotates back to the part with the smallest thickness in the inner wall of the outer tube 1, in the process, the gap between the sheet 3 and the inner wall of the outer tube 1 gradually becomes larger, and the friction force between the inner wall of the outer tube 1 and the sheet 3 gradually decreases to an unlocking state; when the length of the telescopic rod needs to be controlled, the telescopic rod only needs to be unlocked, then the length of the inner tube 2 extending into the outer tube 1 is manually controlled, and then locking is carried out.
In the embodiment, the device further comprises a locking ring 4, the locking ring 4 is arranged at the top of the outer tube 1, the top of the locking ring 4 is a circular ring structure which is matched with the tube orifice of the outer tube 1, an annular cylinder structure with the radius slightly smaller than that of the circular ring structure is arranged below the circular ring structure, the thickness of the annular cylinder structure is uneven, and the thickness of the annular cylinder structure is in particular reversely gradual changed with the inner wall of the outer tube 1; an upper notch 5 is arranged on the outer tube 1, a second lug 6 is arranged on the annular cylinder structure, and the second lug 6 is matched with the upper notch 5; the inner wall of the inner tube 2 has the same structure as the inner wall of the outer tube 1, additional notches are arranged on two sides of the top of the inner tube 2, and the annular cylinder structure is correspondingly abutted with the inner wall of the outer tube 1; specifically, the portion of the annular cylindrical structure having the largest thickness is abutted against the portion of the inner wall of the outer tube 1 having the smallest thickness; the locking ring 4 is arranged in such a way that the structure of the annular cylinder and the inner wall of the outer tube 1 are mutually filled, namely, the part with the largest thickness in the annular cylinder and the part with the smallest thickness in the inner wall of the outer tube 1 are mutually filled to be in a uniform state, so that the corresponding additional tube sleeved in the locking ring 4 is more stable; the locking ring 4 is sleeved on the top of the outer tube 1 to the position where the first protruding block 8 is clamped into the upper notch 5, so that the stability of the locking ring 4 can be improved, and the stability of the corresponding additional tube sleeved in the locking ring 4 is further improved.
In other embodiments, the material of the locking ring 4 and the sheet 3 may be a plastic material, in particular polyethylene; the polyethylene material has the advantages of good flexibility, corrosion resistance, low cost and the like.
In other embodiments, the telescopic rod is made of an alloy material, specifically an aluminum alloy; the aluminum alloy material has the characteristics of strong plasticity, high hardness, good corrosion resistance and the like.
In other embodiments, the outer bottom of the outer tube 1 may also be provided with an anti-slip layer; if the anti-slip layer is arranged at the bottom of the outer side of the outer tube 1, the friction force between the hand and the telescopic rod can be increased, and the situation that the telescopic rod slides down when the hand holds the telescopic rod can be reduced.
In other embodiments, the telescopic rod can be additionally provided with an additional pipe, the structure of the additional pipe is required to correspond to the outer pipe 1, the additional pipe comprises the inner wall of the outer pipe 1, a locking ring 4, an upper notch 5 and a lower notch 7; the additional pipe can be installed inside the inner pipe 2 by referring to the connection manner between the outer pipe 1 and the inner pipe 2, thereby lengthening the telescopic length of the telescopic rod.
In other embodiments, the inner wall of the inner tube 2 may be different from the inner wall structure of the outer tube 1, and the annular cylinder structure may not abut against the inner wall of the outer tube 1; for example, when only the outer tube 1 and the inner tube 2 are used in the telescopic rod, no additional tube is provided, so that the locking ring 4 does not need to be installed at the top of the inner tube 2, additional notches do not need to be arranged at two sides of the top of the inner tube 2, and the function of the telescopic rod is not affected by changing the inner wall structure of the inner tube 2.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a telescopic link, includes outer tube, inner tube, the inner tube cup joints the inside of outer tube, the outer tube with the inner tube can stretch out and draw back relatively, its characterized in that, the inner wall of outer tube with there is the inhomogeneous clearance of size between the outer wall of inner tube, be equipped with the thin slice in the clearance, the thin slice is installed on the outer wall of inner tube, the inner tube with when outer tube rotates relatively, the inner tube drives the thin slice rotates.
2. The telescopic boom of claim 1, wherein: the inner wall of the outer tube is a wall body with uneven thickness, and the inner wall of the outer tube and the outer wall of the inner tube are both abutted with the thin sheet and the thickness of the thin sheet is uneven.
3. The telescopic boom of claim 1, wherein: the radius of the inner tube is smaller than that of the outer tube, and the maximum thickness of the sheet is smaller than the difference between the radius of the inner tube and the radius of the outer tube.
4. The telescopic boom of claim 2, wherein: the concrete structure of the inner wall of the outer tube is two sections of same wall bodies with gradually changed thickness, two thin sheets are arranged, the thickness of the two thin sheets is reversely gradually changed relative to the inner wall of the outer tube, and the two thin sheets respectively correspond to the two sections of wall bodies with gradually changed thickness.
5. The telescopic boom of claim 4, wherein: the inner tube is characterized in that lower notches are formed in two sides of the bottom of the inner tube, first protruding blocks are arranged on the inner sides of the thin sheets, the first protruding blocks are matched with the lower notches, and the two thin sheets are mounted on two sides of the bottom of the inner tube through the lower notches respectively.
6. The telescopic boom of claim 5, wherein: the locking ring is arranged at the top of the outer tube, the top of the locking ring is a circular ring structure matched with the mouth of the outer tube, an annular cylinder structure with the radius slightly smaller than that of the circular ring structure is arranged below the circular ring structure, the thickness of the annular cylinder structure is uneven, and the thickness of the annular cylinder structure is in reverse gradual change with the inner wall of the outer tube; the outer tube is provided with an upper notch, the annular cylinder structure is provided with a second lug, and the second lug is matched with the upper notch.
7. The telescopic boom of claim 6, wherein: the inner wall of the inner tube is identical to the inner wall of the outer tube in structure, additional notches are formed in two sides of the top of the inner tube, and the annular cylinder structure is correspondingly abutted to the inner wall of the outer tube.
8. The telescopic boom of claim 6, wherein: the locking ring and the sheet are made of plastic materials.
9. The telescopic boom of claim 1, wherein: the telescopic rod is made of alloy materials.
10. The telescopic boom of claim 1, wherein: an anti-slip layer is arranged at the bottom of the outer side of the outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250365.0U CN219953860U (en) | 2023-05-22 | 2023-05-22 | Telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250365.0U CN219953860U (en) | 2023-05-22 | 2023-05-22 | Telescopic rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953860U true CN219953860U (en) | 2023-11-03 |
Family
ID=88537854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250365.0U Active CN219953860U (en) | 2023-05-22 | 2023-05-22 | Telescopic rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953860U (en) |
-
2023
- 2023-05-22 CN CN202321250365.0U patent/CN219953860U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |