CN216453745U - Tubular product extending structure for sun shade - Google Patents
Tubular product extending structure for sun shade Download PDFInfo
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- CN216453745U CN216453745U CN202121930616.0U CN202121930616U CN216453745U CN 216453745 U CN216453745 U CN 216453745U CN 202121930616 U CN202121930616 U CN 202121930616U CN 216453745 U CN216453745 U CN 216453745U
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- locking
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- sliding sleeve
- telescopic
- tube
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Abstract
The utility model belongs to the field of outdoor articles, and particularly relates to a tubular product telescopic structure for a sun shade. The utility model sets the pipe of the sunshade umbrella into the telescopic structure of the inner pipe and the outer pipe, can reduce the length of the pipe when in storage and transportation, and saves the cost of packaging and transportation; the utility model realizes the locking and unlocking of the inner pipe and the outer pipe through the telescopic locking mechanism, and has convenient operation, safety and reliability.
Description
Technical Field
The utility model belongs to the field of outdoor articles, and particularly relates to a pipe telescopic structure for a sunshade.
Background
The length of the pipe on the sunshade is generally fixed, the pipe is large, the pipe cannot be stretched, and the problems of inconvenient collection and carrying and high packaging and transportation cost exist.
Based on the problems, the application provides a tubular product extending structure for sun shade, can shorten tubular product, is convenient for collect and transport.
SUMMERY OF THE UTILITY MODEL
In order to make up the defects of the prior art, the utility model provides a technical scheme of a pipe telescopic structure for a sunshade.
The tubular product extending structure for the sunshade is characterized by comprising an inner tube, an outer tube in telescopic fit with the inner tube and an extending locking mechanism, wherein the extending locking mechanism is used for realizing locking and unlocking between the inner tube and the outer tube.
The tubular product telescopic structure for the sunshade is characterized in that the telescopic locking mechanism comprises a sliding sleeve and an elastic locking piece, the sliding sleeve is sleeved at the front end of the outer tube and can axially move forwards and backwards relative to the outer tube, the sliding sleeve is in blocking connection with the outer tube when moving forwards and backwards to the maximum stroke, a locking groove is formed between the inner wall of the sliding sleeve and the outer tube when the sliding sleeve moves forwards to the maximum stroke, and the elastic locking piece is arranged in the inner tube;
when the pipe telescopic structure is in a locking state, the elastic locking piece partially extends out of the opening of the side wall of the inner pipe under the action of elastic force and is inserted into the locking groove to realize locking;
when the pipe telescopic structure is in an unlocking state, the sliding sleeve drives the elastic locking piece to retract into the inner pipe through backward movement, and unlocking is achieved.
The tubular product extending structure for the sunshade is characterized in that the elastic locking piece comprises a plug arranged in the inner tube and a first locking bullet elastically matched with the plug through a spring, and the first locking bullet can stretch out of an opening in the side wall of the inner tube under the elastic action of the spring and is inserted into the locking groove to realize locking.
The tubular product extending structure for the sunshade is characterized in that the plug is provided with an installation groove, and the spring and the first locking bullet are arranged in the installation groove.
The pipe telescopic structure for the sunshade is characterized in that the elastic locking piece is a spring bean, the spring bean is provided with a second locking bullet head, and the second locking bullet head can stretch out of a hole in the side wall of the inner pipe under the elastic action of the spring bean main body and can be inserted into the locking groove to realize locking.
The tubular product extending structure for the sunshade is characterized in that a limiting sleeve is fixedly sleeved at the front end of the outer tube, and the sliding sleeve is slidably sleeved on the limiting sleeve;
the front end of the sliding sleeve is provided with an inner blocking structure, the inner wall of the rear end of the sliding sleeve is provided with a first buckle structure, and the inner diameter of the inner blocking structure is smaller than that of the sliding sleeve main body;
when the sliding sleeve moves forwards to the maximum stroke, the first buckle structure of the sliding sleeve is in blocking connection with the rear end of the limiting sleeve;
when the sliding sleeve moves backwards to the maximum stroke, the inner blocking structure of the sliding sleeve extrudes the elastic locking piece back into the inner tube and blocks and connects with the front end of the limiting sleeve.
The pipe telescopic structure for the sunshade umbrella is characterized in that the limiting sleeve is matched with the front end of the outer pipe in a clamping manner.
The pipe telescopic structure for the sunshade is characterized in that a second buckle structure is arranged on the inner wall of the limiting sleeve, and a clamping groove used for being clamped and matched with the second buckle structure is formed in the outer pipe.
The tubular product extending structure for the sunshade is characterized in that a hard stop block is arranged at the front end of the limiting sleeve and is used for being in blocking connection with the extending part of the elastic locking piece.
The pipe telescopic structure for the sunshade is characterized in that a protective sleeve is arranged between the inner pipe and the outer pipe in a matched mode, and the protective sleeve is used for limiting the inner pipe to be separated from the outer pipe and providing guiding for telescopic matching between the inner pipe and the outer pipe.
Compared with the prior art, the sunshade umbrella has the advantages that the pipe of the sunshade umbrella is arranged into the telescopic structure of the inner pipe and the outer pipe, so that the length of the pipe can be reduced during storage and transportation, and the packaging and transportation cost is saved; the utility model realizes the locking and unlocking of the inner pipe and the outer pipe through the telescopic locking mechanism, and has convenient operation, safety and reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view of a sliding sleeve according to the present invention;
FIG. 6 is a second schematic view of the sliding sleeve structure of the present invention;
FIG. 7 is a schematic view of a limiting sleeve according to the present invention;
FIG. 8 is a second schematic view of a limiting sleeve according to the present invention;
FIG. 9 is a schematic structural view of a first embodiment of the bouncing bean in the present invention;
fig. 10 is a schematic structural diagram of a second embodiment of the bouncing bean in the utility model.
Detailed Description
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The utility model will be further explained with reference to the drawings.
Referring to fig. 1-10, a tube telescopic structure for a sunshade includes an inner tube 1, an outer tube 2 telescopically engaged with the inner tube 1, and a telescopic locking mechanism for locking and unlocking the inner tube (1) and the outer tube (2).
With reference to fig. 1 to 4, the telescopic locking mechanism includes a sliding sleeve 3 and an elastic locking member, the sliding sleeve 3 is sleeved at the front end of the outer tube 2, the sliding sleeve 3 can move back and forth relative to the outer tube 2 in the axial direction, the sliding sleeve 3 is in blocking connection with the outer tube 2 when moving back and forth to the maximum stroke, a locking groove 4 is formed between the inner wall of the sliding sleeve 3 and the outer tube 2 when the sliding sleeve 3 moves forward to the maximum stroke, and the elastic locking member is arranged in the inner tube 1. When the telescopic structure of the pipe is in a locking state, the elastic locking piece partially extends out of the opening of the side wall of the inner pipe 1 under the action of elastic force and is inserted into the locking groove 4 to realize locking; when the pipe telescopic structure is in an unlocking state, the sliding sleeve 3 drives the elastic locking piece to retract into the inner pipe 1 through backward movement, and unlocking is achieved.
The elastic locking piece of the utility model has the following three embodiments:
in a first embodiment, referring to fig. 2 and 4, the elastic locking member includes a plug 5 embedded in the inner tube 1 and a first locking bullet 7 elastically fitted to the plug 5 through a spring 6, a head of the first locking bullet 7 is a hemispherical structure, and the first locking bullet 7 can extend out of an opening in a side wall of the inner tube 1 and be inserted into the locking groove 4 under the elastic force of the spring 6 to achieve locking. The plug 5 has a mounting groove 500, and the spring 6 and the first locking bullet 7 are disposed in the mounting groove 500.
In a second embodiment, referring to fig. 9, the elastic locking member is a spring bean 8, the main body of the spring bean 8 is a V-shaped spring structure, a second locking warhead 800 is arranged at the outer side of one end of the V-shaped spring structure, the head of the second locking warhead 800 is a hemispherical structure, and the second locking warhead 800 can extend out of the opening in the side wall of the inner tube 1 and be inserted into the locking groove 4 under the elastic action of the main body of the spring bean 8 to realize locking.
In a third embodiment, referring to fig. 10, the elastic locking member is a spring bean 8, the main body of the spring bean 8 is a V-shaped torsion spring, a second locking warhead 800 is arranged at the outer side of one end of the V-shaped torsion spring, the head of the second locking warhead 800 is of a hemispherical structure, and the second locking warhead 800 can stretch out of the opening in the side wall of the inner tube 1 and insert into the locking groove 4 under the elastic action of the main body of the spring bean 8 to realize locking.
Both of the above-described structures of the marble 8 are known in the art.
With continued reference to fig. 1-4, the front end of the outer tube 2 is fixedly sleeved with a limiting sleeve 9, and the sliding sleeve 3 is slidably sleeved on the limiting sleeve 9. Continuing to refer to fig. 7 and 8, the limiting sleeve 9 is snap-fitted to the front end of the outer tube 2, specifically, the inner walls of the two sides of the limiting sleeve 9 are provided with second snap structures 900, the outer tube 2 is provided with a snap groove 200 for snap-fitting with the second snap structures 900, and the second snap structures 900 extend into the gap between the outer tube 2 and the inner tube 1 through the snap groove 200.
With continuing reference to fig. 5 and 6, the sliding sleeve 3 has an inner stop structure 300 at the front end and a first snap structure 301 at the inner wall of the rear end, and the inner stop structure 300 has an inner diameter smaller than the inner diameter of the main body of the sliding sleeve 3. When the sliding sleeve 3 moves forwards to the maximum stroke, the first buckling structure 301 of the sliding sleeve 3 is in blocking contact with the rear end of the limiting sleeve 9; when the sliding sleeve 3 moves backwards to the maximum stroke, the inner stop structure 300 of the sliding sleeve 3 pushes the locking bullet of the elastic locking member back into the inner tube 1 and stops against the front end of the limiting sleeve 9.
With reference to fig. 4 and 7, since the limiting sleeve 9 is made of plastic, the strength is limited, and the locking bullet is made of metal, the strength is high, so that the contact portion between the limiting sleeve 9 and the locking bullet needs to be structurally reinforced, specifically adopting the following arrangement: the front end of the limiting sleeve 9 is fixedly provided with a hard stop block 10, the hard stop block 10 can be made of metal, and the hard stop block 10 is used for being in blocking connection with a locking spring of the elastic locking piece. More specifically, the front end of the limiting sleeve 9 is provided with a caulking groove 901, and the hard stop 10 is embedded in the caulking groove 901.
With continued reference to fig. 2 and fig. 4, a protective sleeve 11 is cooperatively disposed between the inner tube 1 and the outer tube 2, wherein the protective sleeve 11 is in a position-limited fit on the outer wall of the inner tube 1, the protective sleeve 11 is used to limit the inner tube 1 to be released from the outer tube 2 and provide a guide for the telescopic fit therebetween, and when the inner tube 1 is extended to the maximum position, the protective sleeve 11 is in blocking contact with the second latching structure 900 of the limiting sleeve 9.
Specifically, the protective sheath 11 includes two separated protective sheath components attached to the outer walls of the two sides of the inner tube 1, and inserted into the through hole of the inner tube 1 through the protrusion structure. Also, a plurality of protective sheaths 11 may be attached to the inner tube 1 along its length to enhance guidance.
Taking the elastic locking piece adopting the first embodiment as an example, the working process of the utility model is described as follows:
during the extension, extend inner tube 1 to the maximum position, first locking warhead 7 on inner tube 1 is through the interior fender structure 300 of extrusion sliding sleeve 3, promotes sliding sleeve 3 and moves forward to maximum stroke department for form locking groove 4 between sliding sleeve 3 and the limit sleeve 9, first locking warhead 7 inserts this locking groove under the spring force effect of spring 6, accomplishes the locking.
When shortening, push sliding sleeve 3 backward, the interior fender structure 300 of sliding sleeve 3 extrudes first locking warhead 7, makes first locking warhead 7 retract in inner tube 1, accomplishes the unblock, later shortens inner tube 1 to the relevant position.
The utility model is suitable for tubes of umbrella ribs, diagonal rods, vertical rods and the like of the sunshade umbrella.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A tubular product telescopic structure for a sunshade is characterized by comprising an inner tube (1), an outer tube (2) telescopically matched with the inner tube (1) and a telescopic locking mechanism, wherein the telescopic locking mechanism is used for realizing locking and unlocking between the inner tube (1) and the outer tube (2);
the telescopic locking mechanism comprises a sliding sleeve (3) and an elastic locking piece, the sliding sleeve (3) is sleeved at the front end of the outer pipe (2), the sliding sleeve (3) can move back and forth relative to the outer pipe (2) in the axial direction, the sliding sleeve (3) is in blocking connection with the outer pipe (2) when moving back and forth to the maximum stroke, a locking groove (4) is formed between the inner wall of the sliding sleeve (3) and the outer pipe (2) when the sliding sleeve (3) moves forward to the maximum stroke, and the elastic locking piece is arranged in the inner pipe (1).
2. The telescopic pipe structure for the sunshade according to claim 1 is characterized in that when the telescopic pipe structure is in a locking state, the elastic locking piece partially extends out of the opening of the side wall of the inner pipe (1) under the action of elastic force and is inserted into the locking groove (4) to realize locking;
when the pipe telescopic structure is in an unlocking state, the sliding sleeve (3) drives the elastic locking piece to retract into the inner pipe (1) through backward movement, and unlocking is achieved.
3. The telescopic tube structure for the sunshade according to claim 2 is characterized in that the elastic locking piece comprises a plug (5) arranged in the inner tube (1) and a first locking bullet (7) elastically matched with the plug (5) through a spring (6), and the first locking bullet (7) can extend out of an opening on the side wall of the inner tube (1) and be inserted into the locking groove (4) under the elastic force of the spring (6) to realize locking.
4. The pipe material telescopic structure for sunshade according to claim 3, characterized in that said plug (5) has a mounting groove (500), said spring (6) and said first locking bullet (7) are arranged in said mounting groove (500).
5. The pipe telescopic structure for the sunshade according to claim 2 is characterized in that the elastic locking piece is a spring bean (8), the spring bean (8) is provided with a second locking bullet head (800), and the second locking bullet head (800) can extend out of the opening of the side wall of the inner pipe (1) and be inserted into the locking groove (4) under the elastic force of the main body of the spring bean (8) to realize locking.
6. The telescopic structure of the pipe for the sunshade according to any one of claims 2-5, characterized in that the front end of the outer pipe (2) is fixedly sleeved with a limiting sleeve (9), and the sliding sleeve (3) is slidably sleeved on the limiting sleeve (9);
the front end of the sliding sleeve (3) is provided with an inner blocking structure (300), the inner wall of the rear end of the sliding sleeve is provided with a first buckling structure (301), and the inner diameter of the inner blocking structure (300) is smaller than that of the main body of the sliding sleeve (3);
when the sliding sleeve (3) moves forwards to the maximum stroke, the first buckle structure (301) of the sliding sleeve (3) is in blocking connection with the rear end of the limiting sleeve (9);
when the sliding sleeve (3) moves backwards to the maximum stroke, the inner blocking structure (300) of the sliding sleeve (3) pushes the elastic locking piece back into the inner pipe (1) and blocks the front end of the limiting sleeve (9).
7. A tube telescopic structure for parasol as claimed in claim 6, characterized in that the limiting sleeve (9) is snap fitted to the front end of the outer tube (2).
8. The telescopic tube structure for the sunshade according to claim 7 is characterized in that a second snap structure (900) is arranged on the inner wall of the limiting sleeve (9), and the outer tube (2) is provided with a clamping groove (200) for snap-fit with the second snap structure (900).
9. The pipe telescopic structure for the sunshade according to claim 6, characterized in that the front end of the limiting sleeve (9) is provided with a hard stop (10), and the hard stop (10) is used for being blocked with the extending part of the elastic locking piece.
10. A tube telescopic structure for sunshade according to any of claims 1-4, characterized in that a protective sleeve (11) is arranged between the inner tube (1) and the outer tube (2), said protective sleeve (11) is used to limit the inner tube (1) from falling out of the outer tube (2) and provide guidance for the telescopic fit between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930616.0U CN216453745U (en) | 2021-08-16 | 2021-08-16 | Tubular product extending structure for sun shade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930616.0U CN216453745U (en) | 2021-08-16 | 2021-08-16 | Tubular product extending structure for sun shade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216453745U true CN216453745U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121930616.0U Active CN216453745U (en) | 2021-08-16 | 2021-08-16 | Tubular product extending structure for sun shade |
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| Country | Link |
|---|---|
| CN (1) | CN216453745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802336A (en) * | 2022-05-31 | 2022-07-29 | 中车制动系统有限公司 | Telescopic coupler locking device |
-
2021
- 2021-08-16 CN CN202121930616.0U patent/CN216453745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802336A (en) * | 2022-05-31 | 2022-07-29 | 中车制动系统有限公司 | Telescopic coupler locking device |
| CN114802336B (en) * | 2022-05-31 | 2024-01-30 | 中车制动系统有限公司 | Locking device of telescopic coupler |
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