CN211022107U - Telescopic link and exempt from telescoping device that punches - Google Patents
Telescopic link and exempt from telescoping device that punches Download PDFInfo
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- CN211022107U CN211022107U CN201921599552.3U CN201921599552U CN211022107U CN 211022107 U CN211022107 U CN 211022107U CN 201921599552 U CN201921599552 U CN 201921599552U CN 211022107 U CN211022107 U CN 211022107U
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- pipe body
- telescopic rod
- rod
- length limiting
- elastic sheet
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Abstract
The utility model discloses a telescopic rod and a perforation-free telescopic device, which comprises a first pipe body, a second pipe body and a length limiting device, wherein one end of the length limiting device is fixedly connected with one end of the first pipe body to form the telescopic rod, the length limiting device comprises a third pipe body, a length limiting rod and a spring fixedly connected with one end of the first pipe body, and one end of the third pipe body is provided with a backstop elastic sheet fixed with the length limiting rod; at least one end of the telescopic rod body is provided with a rotary fine adjustment mechanism; the telescopic rod body is clamped with the fixed seat. The limit rod prevents the retraction force of the spring from influencing the adjustment precision, and the utility model has convenient use and simpler adjustment; the arrangement of the extension rod can meet the installation requirement of long distance between walls; the rotary fine adjustment mechanism increases the compression force of the spring, so that the installation is firmer.
Description
Technical Field
The utility model relates to a telescopic link technical field, concretely relates to telescopic link and exempt from telescoping device that punches.
Background
The telescopic rod in daily life is widely used, like a curtain rod, a clothes hanger, a towel rack and the like, the telescopic rod is adjustable in length and convenient to use, and particularly, the telescopic rod without holes is attractive, reduces damage to a wall body caused by holes, is more and more popular with people, but the telescopic rod without holes in the current market has problems like inconvenient installation, inaccurate length adjustment and the like;
application number 201820745506.9 discloses a exempt from to punch multi-functional telescopic link, the contact jaw inside of thin pole and thick pole is equipped with the elasticity card beans, and the length of telescopic link needs to be adjusted according to the interval between the card beans, can not accurate control.
Disclosure of Invention
The utility model discloses a first technical problem that will solve is: aiming at the defects in the prior art, the telescopic rod is provided, is convenient to install and simple in length adjustment;
the utility model discloses the second technical problem that will solve is: to the not enough that prior art exists, provide a telescoping device exempts from to punch, simple to operate, length adjustment is simple and the precision is high, and is fixed firm.
For solving the first technical problem, the technical scheme of the utility model is that:
a telescopic rod comprises a first pipe body, a second pipe body and a length limiting device, wherein one end of the length limiting device is fixedly connected with one end of the first pipe body to form a telescopic rod, and the telescopic rod is sleeved in the second pipe body and is connected with the second pipe body in a sliding mode to form a telescopic rod body;
the length limiting device comprises a third pipe body, a length limiting rod and a spring fixedly connected with one end of the first pipe body, the length limiting rod sequentially penetrates through the third pipe body and the spring, and one end of the spring is provided with an anti-falling gasket fixed with the length limiting rod; the anti-falling gasket is clamped in the first pipe body; the other end of the spring is fixedly connected with one end of the third pipe body, and the other end of the third pipe body is provided with a backstop elastic sheet fixed with the length limiting rod;
the radial sizes of the spring and the anti-falling gasket are adapted to the inner diameter of the first pipe body; the radial dimension of the retaining elastic sheet is larger than the inner diameter dimension of the second pipe body. As an optimized technical scheme, one end of the telescopic rod body is provided with a plurality of extension rods, one end of each extension rod is a necking end, the other end of each extension rod is a non-necking end, the non-necking ends are the same as the inner diameter of the second pipe body, and the necking ends are clamped with the non-necking ends of the second pipe body and the other extension rod.
As an improved technical scheme, a plurality of extension rods are arranged at the other end of the second pipe body, one end of each extension rod is a necking end, the other end of each extension rod is a non-necking end, and the necking ends and the second pipe body are sleeved and clamped together; the non-necking end is sleeved and clamped with the necking end of the other extension rod.
As an improved technical scheme, a reducing sleeve matched with the inner diameter of the second pipe body is sleeved on the first pipe body.
As a preferred technical scheme, the backstop elastic sheet comprises an umbrella-shaped elastic sheet; the umbrella-shaped elastic sheet is provided with a plurality of openings along the circumferential direction; the radial expansion size of the umbrella-shaped elastic sheet is larger than the inner diameter size of the second pipe body.
As a preferred technical scheme, at least one retaining elastic sheet is arranged.
As a preferred technical scheme, a fixing gasket is further arranged between the third pipe body and the backstop elastic sheet; the diameter of the fixing gasket is smaller than the inner diameter of the second pipe body.
As a preferred technical scheme, a reducing caliber is arranged between the end part of the first pipe body and the anti-falling gasket; the inner diameter of the reduced caliber is smaller than the diameter of the anti-falling gasket.
In order to solve the second technical problem, the technical solution of the present invention is:
a drilling-free telescopic device comprises the telescopic rod body; at least one end of the telescopic rod body is provided with a rotary fine adjustment mechanism; the telescopic rod body is provided with a fixed seat at one end which is not provided with the rotary fine adjustment mechanism; the telescopic rod body is clamped with the fixed seat.
As a preferred technical scheme, the rotary fine adjustment mechanism comprises a base, a rotary threaded sleeve and a mandril; one end of the rotating threaded sleeve is sleeved on the base, the other end of the rotating threaded sleeve is in threaded connection with the ejector rod, and the other end of the ejector rod is sleeved inside the telescopic rod body; the ejector rod sleeved in the telescopic rod body is provided with a plurality of bulges.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a telescopic rod, which comprises a first pipe body, a second pipe body and a length limiting device, wherein one end of the length limiting device is fixedly connected with one end of the first pipe body to form a telescopic rod, and the telescopic rod is sleeved in the second pipe body and is connected with the second pipe body in a sliding way to form a telescopic rod body; the length limiting device comprises a third pipe body, a length limiting rod and a spring fixedly connected with one end of the first pipe body, the length limiting rod sequentially penetrates through the third pipe body and the spring, and one end of the spring is provided with an anti-falling gasket fixed with the length limiting rod; the anti-falling gasket is clamped in the first pipe body; the other end of the spring is fixedly connected with one end of the third pipe body, and the other end of the third pipe body is provided with a backstop elastic sheet fixed with the length limiting rod; the radial sizes of the spring and the anti-falling gasket are adapted to the inner diameter of the first pipe body; the radial dimension of the retaining elastic sheet is larger than the inner diameter dimension of the second pipe body. The length limiting device can be adjusted along with the length that first body slided in the second body to the telescopic link, and the length limiting rod can prevent that the length limiting device from producing when sliding that the spring produces tensile, avoids the spring return the power and produce the influence to the regulation precision, this utility model's telescopic link convenient to use, and adjust simplyr.
The other end of the second pipe body of the utility model is provided with a plurality of extension rods, one end of each extension rod is a necking end, the other end is a non-necking end, and the necking ends are sleeved and clamped with the second pipe body; the non-necking end is sleeved and clamped with the necking end of the other extension rod, so that the application limit of the extension rod body when the length is not enough is overcome.
The first pipe body is sleeved with a reducing sleeve matched with the inner diameter of the second pipe body, so that the first pipe body slides more smoothly in the second pipe body, and blocking is reduced.
The utility model relates to a perforation-free telescopic device, which comprises the telescopic rod body; at least one end of the telescopic rod body is provided with a rotary fine adjustment mechanism; the telescopic rod body is provided with a fixed seat at one end which is not provided with the rotary fine adjustment mechanism; the telescopic rod body is clamped with the fixed seat. The rotary fine adjustment mechanism increases the compression force of the spring, so that the adjustment is more accurate and the installation is firmer.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of the structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of the length limiting device of FIG. 1;
FIG. 3 is a schematic view of an extension pole according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the swivel nut of FIG. 1;
FIG. 5 is an enlarged view of the stem lifter of FIG. 1;
FIG. 6 is an enlarged view of the retaining clip of FIG. 1;
in the drawings, 1, a first pipe body; 2. a second tube body; 3. a third tube; 4. a length limiting rod; 5. a spring; 6. fixing a gasket; 7. a backstop elastic sheet; 8. an anti-drop gasket; 9. a base; 10. a top rod; 11. rotating the threaded sleeve; 12. a reducing sleeve; 131. a non-necking end; 132. a necking end; 14. a fixed seat; 15. an opening; 16. reducing the caliber.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 6, a telescopic rod comprises a first tube body 1, a second tube body 2 and a length limiting device, wherein one end of the length limiting device is fixedly connected with one end of the first tube body 1 to form a telescopic rod, and the telescopic rod is sleeved in the second tube body 2 and is slidably connected with the second tube body 2 to form a telescopic rod body;
the length limiting device comprises a third pipe body 3, a length limiting rod 4 and a spring 5 fixedly connected with one end of the first pipe body 1, the length limiting rod 4 sequentially penetrates through the third pipe body 3 and the spring 5, and one end of the spring 5 is provided with an anti-falling gasket 8 fixed with the length limiting rod 4; the anti-falling gasket 8 is clamped in the first pipe body 1; the other end of the spring 5 is fixedly connected with one end of the third pipe body 3, and the other end of the third pipe body 3 is provided with a backstop elastic sheet 7 fixed with the length limiting rod 4;
the radial sizes of the spring 5 and the anti-falling gasket 8 are matched with the inner diameter of the first pipe body 1; the radial size of the backstop elastic sheet 7 is larger than the inner diameter of the second pipe body 2.
A plurality of extension rods are arranged at the other end of the second pipe body 2, one end of each extension rod is a necking end 132, the other end of each extension rod is a non-necking end 131, and the necking ends 132 and the second pipe body 2 are sleeved and clamped together; the non-reducing end 131 is sleeved and fastened with a reducing end 132 of another extension rod.
The first pipe body 1 is sleeved with a reducing sleeve 12 matched with the inner diameter of the second pipe body 2 in size.
The backstop elastic sheet 7 comprises an umbrella-shaped elastic sheet; the umbrella-shaped elastic sheet is provided with a plurality of openings 15 along the circumferential direction; the radial expansion size of the umbrella-shaped elastic sheet is larger than the inner diameter size of the second pipe body 2.
At least one retaining elastic sheet 7 is arranged.
A fixed gasket 6 is arranged between the third pipe body 3 and the backstop elastic sheet 7; the diameter of the fixing gasket 6 is smaller than the inner diameter of the second pipe body 2.
A reducing caliber 16 is arranged between the end part of the first pipe body 1 and the anti-falling gasket 8; the inner diameter of the reducing caliber 16 is smaller than the diameter of the anti-drop gasket 8.
Example 2
As shown in fig. 1 to 6, a non-perforating telescopic device comprises a telescopic rod body as described in embodiment 1; at least one end of the telescopic rod body is provided with a rotary fine adjustment mechanism; the telescopic rod body is provided with a fixed seat 14 at one end which is not provided with the rotary fine adjustment mechanism; the telescopic rod body is clamped with the fixed seat 14.
The rotary fine adjustment mechanism comprises a base 9, a rotary threaded sleeve 11 and an ejector rod 10; one end of the rotating threaded sleeve 11 is sleeved on the base 9, the other end of the rotating threaded sleeve is in threaded connection with the ejector rod 10, and the other end of the ejector rod 10 is sleeved inside the telescopic rod body; the ejector rod sleeved in the telescopic rod body is provided with a plurality of bulges.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses a theory of operation does: before the telescopic rod is used, the distance between two walls needing to be fixed is measured by a meter ruler, the length of the telescopic rod body is determined according to the distance between the walls, then the telescopic rod is pulled to slide in the second pipe body 2, so that the telescopic rod body is stretched to a specified length, because of the existence of the limit rod 4 and the anti-falling gasket 8, the telescopic rod can not retract after the user loosens the hand, in addition, if the length of the telescopic rod body is not enough, a plurality of extension rods can be added at one end of the second pipe body 2 of the telescopic rod body, after the length is set, at least one end of the telescopic rod body is sleeved with an upper rotation fine adjustment mechanism, the top rod 10 rotates outwards through rotating the rotating screw sleeve 11, so that the first pipe body 1 sleeved outside the top rod 10 moves inwards, because the size of the anti-falling elastic sheet 7 is larger than the inner diameter of the second pipe body 2, the fixing gasket 6 behind the anti-falling elastic sheet 7 and the, so this telescoping device installation back spring 5 of exempting from to punch is in the state that compresses tightly all the time, and the installation is very firm, is difficult for droing, can continuously adjust rotatory fine-tuning moreover in order to guarantee this telescoping device of exempting from to punch the fastening power between two walls.
Claims (9)
1. A telescopic rod is characterized in that: the telescopic rod comprises a first pipe body, a second pipe body and a length limiting device, wherein one end of the length limiting device is fixedly connected with one end of the first pipe body to form a telescopic rod, and the telescopic rod is sleeved in the second pipe body and is connected with the second pipe body in a sliding mode to form a telescopic rod body;
the length limiting device comprises a third pipe body, a length limiting rod and a spring fixedly connected with one end of the first pipe body, the length limiting rod sequentially penetrates through the third pipe body and the spring, and one end of the spring is provided with an anti-falling gasket fixed with the length limiting rod; the anti-falling gasket is clamped in the first pipe body; the other end of the spring is fixedly connected with one end of the third pipe body, and the other end of the third pipe body is provided with a backstop elastic sheet fixed with the length limiting rod;
the radial sizes of the spring and the anti-falling gasket are adapted to the inner diameter of the first pipe body; the radial dimension of the retaining elastic sheet is larger than the inner diameter dimension of the second pipe body.
2. A telescopic rod according to claim 1, characterized in that: the other end of the second pipe body is provided with a plurality of extension rods, one end of each extension rod is a necking end, the other end of each extension rod is a non-necking end, and the necking ends and the second pipe body are sleeved and clamped together; the non-necking end is sleeved and clamped with the necking end of the other extension rod.
3. A telescopic rod according to claim 1, characterized in that: the first pipe body is sleeved with a reducing sleeve matched with the inner diameter of the second pipe body.
4. A telescopic rod according to claim 1, characterized in that: the backstop elastic sheet comprises an umbrella-shaped elastic sheet; the umbrella-shaped elastic sheet is provided with a plurality of openings along the circumferential direction; the radial expansion size of the umbrella-shaped elastic sheet is larger than the inner diameter size of the second pipe body.
5. A telescopic rod according to claim 1, characterized in that: at least one retaining elastic sheet is arranged.
6. A telescopic rod according to claim 1, characterized in that: a fixed gasket is arranged between the third pipe body and the backstop elastic sheet; the diameter of the fixing gasket is smaller than the inner diameter of the second pipe body.
7. A telescopic rod according to claim 1, characterized in that: a reducing caliber is arranged between the end part of the first pipe body and the anti-falling gasket; the inner diameter of the reduced caliber is smaller than the diameter of the anti-falling gasket.
8. The utility model provides a telescoping device exempts from to punch which characterized in that: comprises the telescopic rod body of claim 1; at least one end of the telescopic rod body is provided with a rotary fine adjustment mechanism; the telescopic rod body is provided with a fixed seat at one end which is not provided with the rotary fine adjustment mechanism; the telescopic rod body is clamped with the fixed seat.
9. A non-perforating telescopic device as claimed in claim 8, characterized in that: the rotary fine adjustment mechanism comprises a base, a rotary threaded sleeve and an ejector rod; one end of the rotating threaded sleeve is sleeved on the base, the other end of the rotating threaded sleeve is in threaded connection with the ejector rod, and the other end of the ejector rod is sleeved inside the telescopic rod body; the ejector rod sleeved in the telescopic rod body is provided with a plurality of bulges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599552.3U CN211022107U (en) | 2019-09-23 | 2019-09-23 | Telescopic link and exempt from telescoping device that punches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599552.3U CN211022107U (en) | 2019-09-23 | 2019-09-23 | Telescopic link and exempt from telescoping device that punches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211022107U true CN211022107U (en) | 2020-07-17 |
Family
ID=71560279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921599552.3U Active CN211022107U (en) | 2019-09-23 | 2019-09-23 | Telescopic link and exempt from telescoping device that punches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211022107U (en) |
-
2019
- 2019-09-23 CN CN201921599552.3U patent/CN211022107U/en active Active
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