CN212479819U - Telescopic link connection structure - Google Patents
Telescopic link connection structure Download PDFInfo
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- CN212479819U CN212479819U CN202021469410.8U CN202021469410U CN212479819U CN 212479819 U CN212479819 U CN 212479819U CN 202021469410 U CN202021469410 U CN 202021469410U CN 212479819 U CN212479819 U CN 212479819U
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Abstract
The utility model provides a telescopic link connection structure, includes two section at least flexible pipes of pegging graft each other, all is equipped with the screens structure between every adjacent flexible pipe, the screens structure includes: the sleeve piece is fixedly connected to the port of the nth telescopic pipe with the larger diameter, a hole is also formed in the position, close to the port, of the nth telescopic pipe with the larger diameter, and the spring key locking structure is fixedly connected to the port of the (n-1) th telescopic pipe with the smaller diameter; the n-1 telescopic pipe is sleeved in the n-th telescopic pipe, and the keys on the spring key locking structure at the port of the n-1 telescopic pipe extend out of the hole at the port, close to the n-th telescopic pipe, so that two adjacent telescopic pipes are firmly connected together. The utility model provides a reasonable in design, the structure stabilizes, connects reliable elasticity connecting rod structure.
Description
Technical Field
The utility model relates to a telescopic rod connecting structure which can be stretched or contracted after a plurality of sections of telescopic pipes are connected with each other.
Background
Currently, with the development of industry, the improvement of people's standard of living, electronic commerce is developed vigorously, and the product of many rods needs scalability in order to facilitate transportation and convenient storage, for example: a broom, a mop, a teaching pointer, etc.
Most of the telescopic rods in the prior art are not reasonable enough in structure design, poor in stability, capable of shaking and not ideal in use effect.
Disclosure of Invention
The utility model aims to solve the technical problem that a reasonable in design, the structure is firm, connect reliable elasticity connecting rod structure is provided.
The utility model discloses a realize like this:
the utility model provides a telescopic link connection structure, includes two section at least flexible pipes of pegging graft each other, all is equipped with the screens structure between every adjacent flexible pipe, the screens structure includes: the sleeve piece is fixedly connected to the port of the nth telescopic pipe with the larger diameter, a hole is also formed in the position, close to the port, of the nth telescopic pipe with the larger diameter, and the spring key locking structure is fixedly connected to the port of the (n-1) th telescopic pipe with the smaller diameter;
the nth telescopic pipe is sleeved with the (n-1) th telescopic pipe, and a key on a spring key locking structure at the port of the (n-1) th telescopic pipe extends out of a hole at the port, close to the nth telescopic pipe, of the nth telescopic pipe, so that two adjacent telescopic pipes are firmly connected together;
when the telescopic tube needs to be contracted, the key on the telescopic tube with the largest diameter is pressed by a hand and pushed forwards, the key is pressed into the telescopic tube, and the sleeve pieces on the other telescopic tubes press the key on the previous telescopic tube and are sequentially pushed forwards, so that the telescopic tube can be contracted;
when the telescopic pipe needs to be stretched, the telescopic pipe with the largest diameter is dragged backwards until the key on the spring key locking structure at the port of the previous telescopic pipe extends out of the hole of the telescopic pipe and is then locked, and the rest telescopic pipes are sequentially dragged out of the previous telescopic pipe until being locked by the key of the previous telescopic pipe, so that the stretching is completed.
Further, the sleeve set comprises: the annular part is sleeved at the end part of the hollow cylindrical part; the front port of the annular part and the front port of the hollow cylindrical part are connected into a whole; the upper part and the lower part of the hollow columnar part are both provided with U-shaped notches; the end part of the nth telescopic pipe is inserted into the gap between the annular part and the hollow cylindrical part and clamped tightly, so that the sleeve part is fixedly connected to the end part of the nth telescopic pipe;
spring button pins the structure, includes in proper order from the front end to the rear end: the key comprises a hollow cylindrical part, a hollow conical table part, a boss part, a key and an elastic part; the upper surface of the hollow cone frustum part is provided with a small hole, the bottom of the key is connected with the elastic part, the key is positioned above the small hole, and the elastic part is positioned inside the hollow cone frustum part; the outer diameter of the boss part is equal to the inner diameter of the nth telescopic pipe, and the hollow cylindrical body part is inserted into the port of the (n-1) th telescopic pipe and clamped tightly; the outer diameter of the front end of the hollow conical table part is larger than the inner diameter of the (n-1) th telescopic pipe;
when two adjacent inserted extension tubes are pulled, the hollow cylindrical part of the sleeve part fixedly connected with the nth extension tube is sleeved on the hollow conical table part of the spring key locking structure fixedly connected with the (n-1) th extension tube, and the keys above the hollow conical table part move in the U-shaped gap of the hollow cylindrical part;
the sleeve piece, the hollow cylindrical part of the spring key locking structure, the hollow conical table part and the keys are made of plastic materials.
Furthermore, the elastic part is a bent steel wire, one end of the steel wire is fixedly clamped at the bottom of the key, and the other end of the steel wire is transversely arranged in the groove on the inner wall of the hollow conical table part.
Further, the hollow cylindrical part and the hollow conical table part are all provided with guide rail grooves.
Further, the extension tube is a steel tube.
Furthermore, the telescopic pipes are provided with guide rail grooves.
The utility model has the advantages that: 1. structural design is reasonable, and the telescopic link is the steel pipe, has the guide rail groove on the steel pipe, and it is smooth and easy to slide the shrink, and the screens structure is the plastic part, has certain elasticity, when hollow column portion cover moves on hollow circular cone platform portion, because the rear end diameter of hollow circular cone platform portion is greater than the front end diameter, hollow column portion is driven when the rear end and is strutted outward and make the combination of the two more firm to make the combination of two flexible pipes more firm. 2. The outer diameter of the boss part is designed to be attached to the inner wall of the telescopic pipe, so that the telescopic rod is stable in working and is not easy to shake. 3. The hollow columnar part is provided with the U-shaped notch, so that the key is close to the annular part, the overlapped part of the two telescopic pipes is less when the two telescopic pipes are stretched, and the material is saved. 4. The telescopic pipe and the clamping structure are both provided with guide rail grooves, and when the telescopic pipe and the clamping structure are stretched and contracted, the guide rail grooves are mutually matched, so that the working performance is stable.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded schematic view of the present invention.
Fig. 3 is an exploded view of the position-locking structure of the present invention.
Detailed Description
As shown in fig. 1 to 3, a telescopic rod connection structure includes a plurality of telescopic tubes 100 inserted into each other, and a locking structure 200 is disposed between each adjacent telescopic tube 100. The extension tube 100 is a steel tube, and two side edges thereof are symmetrically provided with guide rail grooves 101.
Screens structure 200 includes: a sleeve member 201, a spring button locking structure 202.
The sleeve member 201 is a plastic member and fixedly sleeved at the port of the nth expansion tube 100 with a larger diameter, and a hole 102 is further formed at the port, close to the nth expansion tube 100 with a larger diameter.
A sleeve assembly 201 comprising: the front end of the annular part 2011 is connected with the front end of the hollow cylindrical part 2012 into a whole; u-shaped notches 20121 are formed in the upper portion and the lower portion of the hollow columnar portion 2012; the end of the nth telescoping tube 100 is inserted into the gap between the annular portion 2011 and the hollow cylindrical portion 2012, thereby securely connecting the cuff member 201 to the end of the nth telescoping tube 100. Guide rail grooves 20122 are formed in two sides of the hollow columnar portion 2012.
Spring button locks structure 202, includes from the front end to the rear end in proper order: a hollow cylindrical portion 2021, a hollow truncated cone portion 2022, a boss portion 2023, and a key 2024 and an elastic member 2025; the hollow cylindrical part 2021, the hollow conical table part 2022, the boss part 2023 and the key 2024 are all plastic parts, and the elastic part 2025 is a steel wire; the spring button locking structure 202 is fixedly connected with the port of the (n-1) th telescopic pipe 100 with smaller diameter. Guide rail grooves 2026 are arranged on two sides of the hollow cylindrical part 2021 and the hollow conical frustum part 2022.
The upper surface of the hollow frustum part 2022 is provided with a small hole 20221, the bottom of the key 2024 is connected with an elastic part 2025, the key 2024 is positioned above the small hole 20221, and the elastic part 2025 is positioned inside the hollow frustum part 2022; the outer diameter of the boss part 2023 is equal to the inner diameter of the nth telescopic tube 100, and the hollow cylindrical part 2021 is inserted into the port of the (n-1) th telescopic tube 100 and clamped tightly and is blocked by the front end of the hollow conical frustum part 2022; the outer diameter of the front end of the hollow cone frustum part 2022 is larger than the inner diameter of the (n-1) th telescopic pipe 100;
the elastic element 2025 is a bent steel wire, one end of which is fixedly clamped at the bottom of the key 2024, and the other end of which is transversely arranged in a groove on the inner wall of the hollow frustum portion 2022.
The (n-1) th telescopic tube 100 fixedly sleeved with the sleeve set 201 is sleeved with the (n-1) th telescopic tube 100 fixedly sleeved with the spring key locking structure 202, and the key 2024 on the spring key locking structure 202 at the port of the (n-1) th telescopic tube 100 extends out from the hole 102 at the port of the (n) th telescopic tube 100, so that two adjacent telescopic tubes 100 are firmly connected together.
When two adjacent telescopic tubes 100 which are inserted into each other are pulled out, the hollow cylindrical part 2012 of the sleeve member 201 fixedly connected with the nth telescopic tube 100 is sleeved on the hollow conical table part 2022 of the spring button locking structure 202 fixedly connected with the (n-1) th telescopic tube 100, and the button above the hollow conical table part 2022 moves in the U-shaped notch 20121 of the hollow cylindrical part 2012.
When the telescopic tube 100 needs to be contracted, the key 2024 on the telescopic tube 100 with the largest diameter is pressed by a hand and pushed forwards, the key 2024 is pressed into the telescopic tube 100, and the sleeve parts 201 on the other telescopic tubes 100 press the key 2024 on the previous telescopic tube 100 and sequentially push forwards, so that the telescopic tube can be contracted;
when the extension is needed, the extension tube 100 with the largest diameter is pulled backwards until the key 2024 on the spring key locking structure 202 at the port of the previous extension tube 100 extends out from the hole 102 of the extension tube 100 and is locked, and the other extension tubes 100 are pulled out from the previous extension tube 100 in sequence until being locked by the key 2024 of the previous extension tube 100, so that the extension is completed.
The utility model has the advantages of reasonable design, telescopic link 100 is the steel pipe, there is guide rail groove 101 on the steel pipe 100, it is smooth and easy to slide the shrink, screens structure 200 is the plastic part, certain elasticity has, when hollow column portion 2012 cover moves on hollow cone platform portion 202, because hollow cone platform portion 2022's rear end diameter is greater than the front end diameter, hollow column portion 2012 is strutted outward when moving the rear end and is made the combination of the two more firm, thereby make the combination of two flexible pipes 100 more firm. The outer diameter of the boss portion 2023 is designed to fit the inner wall of the telescopic tube 100, so that the telescopic rod 100 is stable during operation and is not easy to shake. The hollow column part 2012 is provided with a U-shaped notch 20121, so that the key 2024 is close to the annular part 2011, the overlapping parts of the two telescopic pipes 100 are less when the two telescopic pipes are stretched, and the material is saved. The telescopic pipe and the clamping structure are both provided with guide rail grooves, and when the telescopic pipe and the clamping structure are stretched and contracted, the guide rail grooves are mutually matched, so that the working performance is stable.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (6)
1. The utility model provides a telescopic link connection structure, includes two section at least flexible pipes of pegging graft each other, all is equipped with clamping structure, its characterized in that between every adjacent flexible pipe: the screens structure includes: the sleeve piece is fixedly connected to the port of the nth telescopic pipe with the larger diameter, a hole is also formed in the position, close to the port, of the nth telescopic pipe with the larger diameter, and the spring key locking structure is fixedly connected to the port of the (n-1) th telescopic pipe with the smaller diameter;
the nth telescopic pipe is sleeved with the (n-1) th telescopic pipe, and a key on a spring key locking structure at the port of the (n-1) th telescopic pipe extends out of a hole at the port, close to the nth telescopic pipe, of the nth telescopic pipe, so that two adjacent telescopic pipes are firmly connected together;
when the telescopic tube needs to be contracted, the key on the telescopic tube with the largest diameter is pressed by a hand and pushed forwards, the key is pressed into the telescopic tube, and the sleeve pieces on the other telescopic tubes press the key on the previous telescopic tube and are sequentially pushed forwards, so that the telescopic tube can be contracted;
when the telescopic pipe needs to be stretched, the telescopic pipe with the largest diameter is dragged backwards until the key on the spring key locking structure at the port of the previous telescopic pipe extends out of the hole of the telescopic pipe and is then locked, and the rest telescopic pipes are sequentially dragged out of the previous telescopic pipe until being locked by the key of the previous telescopic pipe, so that the stretching is completed.
2. The telescopic rod connecting structure according to claim 1, wherein:
the sleeve set comprises: the annular part is sleeved at the end part of the hollow cylindrical part; the front port of the annular part and the front port of the hollow cylindrical part are connected into a whole; the upper part and the lower part of the hollow columnar part are both provided with U-shaped notches; the end part of the nth telescopic pipe is inserted into the gap between the annular part and the hollow cylindrical part and clamped tightly, so that the sleeve part is fixedly connected to the end part of the nth telescopic pipe;
spring button pins the structure, includes in proper order from the front end to the rear end: the key comprises a hollow cylindrical part, a hollow conical table part, a boss part, a key and an elastic part; the upper surface of the hollow cone frustum part is provided with a small hole, the bottom of the key is connected with the elastic part, the key is positioned above the small hole, and the elastic part is positioned inside the hollow cone frustum part; the outer diameter of the boss part is equal to the inner diameter of the nth telescopic pipe, and the hollow cylindrical body part is inserted into the port of the (n-1) th telescopic pipe and clamped tightly; the outer diameter of the front end of the hollow conical table part is larger than the inner diameter of the (n-1) th telescopic pipe;
when two adjacent inserted extension tubes are pulled, the hollow cylindrical part of the sleeve part fixedly connected with the nth extension tube is sleeved on the hollow conical table part of the spring key locking structure fixedly connected with the (n-1) th extension tube, and the keys above the hollow conical table part move in the U-shaped gap of the hollow cylindrical part;
the sleeve piece, the hollow cylindrical part of the spring key locking structure, the hollow conical table part and the keys are made of plastic materials.
3. The telescopic rod connecting structure according to claim 2, wherein: the elastic part is a bent steel wire, one end of the steel wire is fixedly clamped at the bottom of the key, and the other end of the steel wire is transversely arranged in the groove in the inner wall of the hollow conical table part.
4. The telescopic rod connecting structure according to claim 2, wherein: guide rail grooves are formed in the hollow cylindrical part, the hollow cylindrical part and the hollow conical table part.
5. A telescopic rod connecting structure according to any one of claims 1 to 3, wherein: the extension tube is a steel tube.
6. The telescopic rod connecting structure according to claim 5, wherein: guide rail grooves are formed in the extension tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469410.8U CN212479819U (en) | 2020-07-23 | 2020-07-23 | Telescopic link connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469410.8U CN212479819U (en) | 2020-07-23 | 2020-07-23 | Telescopic link connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479819U true CN212479819U (en) | 2021-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021469410.8U Active CN212479819U (en) | 2020-07-23 | 2020-07-23 | Telescopic link connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479819U (en) |
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2020
- 2020-07-23 CN CN202021469410.8U patent/CN212479819U/en active Active
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