CN204436248U - A kind of extension ladder with pooling feature - Google Patents
A kind of extension ladder with pooling feature Download PDFInfo
- Publication number
- CN204436248U CN204436248U CN201520094030.3U CN201520094030U CN204436248U CN 204436248 U CN204436248 U CN 204436248U CN 201520094030 U CN201520094030 U CN 201520094030U CN 204436248 U CN204436248 U CN 204436248U
- Authority
- CN
- China
- Prior art keywords
- piston
- bar
- connecting hole
- ladder
- rubber cup
- 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.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
- E06C1/125—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other
Landscapes
- Vibration Dampers (AREA)
- Ladders (AREA)
Abstract
The utility model discloses a kind of extension ladder with pooling feature, it relates to ladder technical field, and it comprises manhole ladder bar, piston, elastic tape, rubber cup, alignment pin, outside staircase bar and steady pin; The relative both sides, upper end of manhole ladder bar are provided with the second connecting hole, the relative both sides, middle part of piston are provided with the first connecting hole, two the second connecting holes and two the first connecting hole one_to_one corresponding, piston is fixed on the inside of manhole ladder bar through the first connecting hole and the second connecting hole by steady pin, elastic tape is provided with between the bottom of piston and manhole ladder bar, the top of piston is connected with rubber cup by alignment pin is movable, and leaving gap between piston and rubber cup, outside staircase bar is socketed in the outside of manhole ladder bar upper end.Its novel structure, delays the speed that ladder declines, can alleviate or avoid injuring by a crashing object the finger of user, eliminate safe hidden trouble.
Description
Technical field
The utility model relates to a kind of extension ladder with pooling feature, belongs to ladder technical field.
Background technology
Extension ladder can elongate when being a kind of practicality and stretch out, the used time can not draw the ladder shortening the ascend operation deposited in, current existing extension ladder is telescopic button formula, after promotion button unlocks, ladder relies on deadweight decline to be drawn in, because resistance suffered in the decline process of ladder is very little, therefore ladder portion at different levels can decline gathering fast, as user's both hands help position improper, finger is just in time between two cross bars, the crosspiece frame of easy generation extension ladder is hindered or is injured the finger of user by a crashing object, the quick decline of ladder also can cause situation about jamming a finger more serious.
Utility model content
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of extension ladder with pooling feature.
A kind of extension ladder with pooling feature of the present utility model, it comprises manhole ladder bar, piston, elastic tape, rubber cup, alignment pin, outside staircase bar and steady pin; The relative both sides, upper end of manhole ladder bar are provided with the second connecting hole, the relative both sides, middle part of piston are provided with the first connecting hole, two the second connecting holes and two the first connecting hole one_to_one corresponding, piston is fixed on the inside of manhole ladder bar through the first connecting hole and the second connecting hole by steady pin, elastic tape is provided with between the bottom of piston and manhole ladder bar, the top of piston is connected with rubber cup by alignment pin is movable, and leaving gap between piston and rubber cup, outside staircase bar is socketed in the outside of manhole ladder bar upper end.
As preferably, described piston is evenly provided with three the first locating holes, rubber cup is evenly provided with three the second locating holes, three the first locating holes and three the second locating hole one_to_one corresponding, alignment pin is arranged on the first locating hole and piston and rubber cup is connected with the inside of the second locating hole.
As preferably, the centre of described piston is provided with venthole.
As preferably, the side on the top of described rubber cup is provided with trapezoidal slope.When its benefit is the use of multiple switches ladder, can not block when manhole ladder bar and outside staircase lever pin are fixed time.
The beneficial effects of the utility model are: its novel structure, delay the speed that ladder declines, can alleviate or avoid injuring by a crashing object the finger of user, eliminate safe hidden trouble.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of manhole ladder bar in the utility model,
Fig. 3 is the structural representation of rubber cup in the utility model,
Fig. 4 is the structural representation of piston in the utility model,
Fig. 5 is the syndeton schematic diagram of piston and rubber cup in the utility model.
In figure: 1-manhole ladder bar; 2-piston; 3-elastic tape; 4-rubber cup; 5-alignment pin; 6-outside staircase bar; 7-steady pin; The trapezoidal slope of 8-; 1-1-second connecting hole; 2-1-first connecting hole; 2-2-venthole; 2-3-first locating hole; 4-1-second locating hole.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
As Figure 1-5, this detailed description of the invention by the following technical solutions: it comprises manhole ladder bar 1, piston 2, elastic tape 3, rubber cup 4, alignment pin 5, outside staircase bar 6 and steady pin 7; The relative both sides, upper end of manhole ladder bar 1 are provided with the second connecting hole 1-1, the relative both sides, middle part of piston 2 are provided with the first connecting hole 2-1, two the second connecting hole 1-1 and two the first connecting hole 2-1 one_to_one corresponding, piston 2 is fixed on the inside of manhole ladder bar 1 through the first connecting hole 2-1 and the second connecting hole 1-1 by steady pin 7, elastic tape 3 is provided with between the bottom of piston 2 and manhole ladder bar 1, the top of piston 2 is connected with rubber cup 4 by alignment pin 5 is movable, and leaving gap between piston 2 and rubber cup 4, outside staircase bar 6 is socketed in the outside of manhole ladder bar 1 upper end.
Further, described piston 2 is evenly provided with three the first locating hole 2-3, rubber cup 4 is evenly provided with three the second locating hole 4-1, three the first locating hole 2-3 and three the second locating hole 4-1 one_to_one corresponding, alignment pin 5 is arranged on the first locating hole 2-3 and piston 2 and rubber cup 4 is connected with the inside of the second locating hole 4-1.
Further, the centre of described piston 2 is provided with venthole 2-2.
Further, the side on the top of described rubber cup 4 is provided with trapezoidal slope 8.When its benefit is the use of multiple switches ladder, can not block when manhole ladder bar 1 and outside staircase bar 6 are sold fixing time.
In this detailed description of the invention, piston have individual to recessed rubber cup. time to pull-up piston, air above piston is just extruded into below from rubber cup surrounding, to when pressing down piston, piston lower air volume-diminished, pressure increases, and rubber cup is tight against, and barrel does not allow air drain to above piston, (pressure when pushing away, is had to fall slowly downwards downwards, prevent tong), piston is provided with venthole, does not need too firmly this principle to be similar to the principle of inflator when upwards carrying.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the extension ladder with pooling feature, is characterized in that: it comprises manhole ladder bar (1), piston (2), elastic tape (3), rubber cup (4), alignment pin (5), outside staircase bar (6) and steady pin (7), the relative both sides, upper end of manhole ladder bar (1) are provided with the second connecting hole (1-1), the relative both sides, middle part of piston (2) are provided with the first connecting hole (2-1), two the second connecting holes (1-1) and two the first connecting hole (2-1) one_to_one corresponding, piston (2) is fixed on the inside of manhole ladder bar (1) through the first connecting hole (2-1) and the second connecting hole (1-1) by steady pin (7), elastic tape (3) is provided with between the bottom of piston (2) and manhole ladder bar (1), the top of piston (2) is connected with rubber cup (4) by alignment pin (5) is movable, and leave gap between piston (2) and rubber cup (4), outside staircase bar (6) is socketed in the outside of manhole ladder bar (1) upper end.
2. a kind of extension ladder with pooling feature according to claim 1, it is characterized in that: described piston (2) is evenly provided with three the first locating holes (2-3), rubber cup (4) is evenly provided with three the second locating holes (4-1), three the first locating holes (2-3) and three the second locating hole (4-1) one_to_one corresponding, alignment pin (5) is arranged on the first locating hole (2-3) and piston (2) and rubber cup (4) is connected with the inside of the second locating hole (4-1).
3. a kind of extension ladder with pooling feature according to claim 1, is characterized in that: the centre of described piston (2) is provided with venthole (2-2).
4. a kind of extension ladder with pooling feature according to claim 1, is characterized in that: the side on the top of described rubber cup (4) is provided with trapezoidal slope (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094030.3U CN204436248U (en) | 2015-02-10 | 2015-02-10 | A kind of extension ladder with pooling feature |
| DE201520101425 DE202015101425U1 (en) | 2015-02-10 | 2015-03-20 | Telescopic ladder with damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094030.3U CN204436248U (en) | 2015-02-10 | 2015-02-10 | A kind of extension ladder with pooling feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436248U true CN204436248U (en) | 2015-07-01 |
Family
ID=52830143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520094030.3U Expired - Fee Related CN204436248U (en) | 2015-02-10 | 2015-02-10 | A kind of extension ladder with pooling feature |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204436248U (en) |
| DE (1) | DE202015101425U1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781406A (en) * | 2015-12-24 | 2016-07-20 | 东莞威信运动用品有限公司 | Extension tube guide sleeve and extension tube ladder |
| CN107191132A (en) * | 2017-04-20 | 2017-09-22 | 黄金钗 | Sealing sleeve and extension ladder |
| WO2017197654A1 (en) * | 2016-05-20 | 2017-11-23 | 东莞鼎翰铝制品有限公司 | Extension ladder with buffer function |
| WO2018129982A1 (en) * | 2017-01-10 | 2018-07-19 | 潘跃进 | Slow descending mechanism of telescopic ladder |
| WO2020199256A1 (en) * | 2019-04-04 | 2020-10-08 | 东莞凯丰家居用品有限公司 | Telescopic ladder rod unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206129129U (en) * | 2016-08-31 | 2017-04-26 | 东莞威信运动用品有限公司 | Flexible pipe buffering guide structure |
-
2015
- 2015-02-10 CN CN201520094030.3U patent/CN204436248U/en not_active Expired - Fee Related
- 2015-03-20 DE DE201520101425 patent/DE202015101425U1/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781406A (en) * | 2015-12-24 | 2016-07-20 | 东莞威信运动用品有限公司 | Extension tube guide sleeve and extension tube ladder |
| CN105781406B (en) * | 2015-12-24 | 2018-07-06 | 东莞威信运动用品有限公司 | A kind of telescoping tube guide sleeve and a kind of telescoping tube staircase |
| WO2017197654A1 (en) * | 2016-05-20 | 2017-11-23 | 东莞鼎翰铝制品有限公司 | Extension ladder with buffer function |
| WO2018129982A1 (en) * | 2017-01-10 | 2018-07-19 | 潘跃进 | Slow descending mechanism of telescopic ladder |
| CN107191132A (en) * | 2017-04-20 | 2017-09-22 | 黄金钗 | Sealing sleeve and extension ladder |
| WO2018192095A1 (en) * | 2017-04-20 | 2018-10-25 | 周敏青 | Sealing sleeve and telescopic ladder |
| CN107191132B (en) * | 2017-04-20 | 2019-10-22 | 黄金钗 | Sealing sleeve and extension ladder |
| US10934776B2 (en) | 2017-04-20 | 2021-03-02 | Minqing ZHOU | Closure cover and extension ladder |
| WO2020199256A1 (en) * | 2019-04-04 | 2020-10-08 | 东莞凯丰家居用品有限公司 | Telescopic ladder rod unit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202015101425U1 (en) | 2015-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170210 |