CN201786239U - Foldable passenger stairs with casters - Google Patents
Foldable passenger stairs with casters Download PDFInfo
- Publication number
- CN201786239U CN201786239U CN2010205172321U CN201020517232U CN201786239U CN 201786239 U CN201786239 U CN 201786239U CN 2010205172321 U CN2010205172321 U CN 2010205172321U CN 201020517232 U CN201020517232 U CN 201020517232U CN 201786239 U CN201786239 U CN 201786239U
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- connecting rod
- link
- product connecting
- castor
- trip
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Abstract
The utility model discloses foldable passenger stairs with casters, which comprise passenger stairs and the casters. Each caster comprises a rotating wheel and a connecting frame, wherein each rotating wheel is assembled on each connecting frame, each connecting frame is penetratingly positioned outside a product connecting rod, each caster further comprises an elastic catch mechanism and an elastic releasing mechanism, wherein each elastic catch mechanism catches and locks each connecting frame, each elastic releasing mechanism unlocks and releases each connecting frame, each elastic catch mechanism is penetratingly assembled in the product connecting rod and matches with each connecting frame in a clutch and clamp mode, and each elastic releasing mechanism is penetratingly positioned outside the product connecting rod and respectively matches with each connecting frame and each elastic catch mechanism in a linkage mode. Compared with the prior art, the foldable passenger stairs have the advantages that 1, the foldable passenger stairs are assembled at the bottom of an existing foldable ladder, can be positioned rotatably, does not affect normal usage of the foldable ladder, and can realize quick and convenient movement and transport by the aid of the rotating wheels, 2, the foldable passenger stairs are simple and reasonable in integral structure, easy in manufacturing, practical, reliable and favorable for further popularization and application of foldable ladders, and 3, the foldable passenger stairs are convenient and fast in operation, save time and labor, and meet requirements of environmental protection.
Description
Technical field
The utility model relates to a kind of castor tower wagon, belongs to the articles for daily use equipment technical field, refers in particular to a kind of collapsible castor tower wagon.
Background technology
At present, often need use folding ladder in production and life process, folding ladder can fold folding at ordinary times, and volume is little, be convenient to deposit, but rapid deployment forms double ladder in use, therefore, is used widely in modern society.But according to investigations, folding ladder generally can not be provided with castor in the prior art, because castor launches can cause slidably reciprocating of folding ladder in the use at folding ladder, and then causes rocking of folding ladder, and safety is not high enough; On the other hand, the folding ladder that castor is not set is also found some defectives in application process, as is unfavorable for carrying and moves etc., therefore, is necessary prior art is carried out necessary improvement.
The utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, a kind of simple and reasonable, convenient to operation, safe and reliable collapsible castor tower wagon is provided, the castor of this rotatable location is applied to the normal use that folding tower wagon can not influence folding tower wagon, safety factor height.
To achieve these goals, the utility model is realized by following technical scheme:
A kind of collapsible castor tower wagon, include tower wagon and castor, described castor includes runner and link, wherein, described runner is assemblied on the link, described link wears and is positioned product connecting rod outside, further, described castor also includes the elasticity holding mechanism of blocking locking link and the elasticity relieving mechanism that a release discharges link, described elasticity holding mechanism wears and is assemblied in product connecting rod inside, it cooperates with link clutch clamping, and described elasticity relieving mechanism wears and is positioned product connecting rod outside, and it uses with link and elasticity holding mechanism interlock respectively and cooperates.
Further, described link wears the positioning sleeve and the common restriction of elasticity relieving mechanism that are fixedly arranged on the product connecting rod by one and is positioned product connecting rod outside, and its upper inside wall is provided with at least one vertical strip-shaped clamp groove, and the inwall bottom is provided with an annular groove.
Further, described elasticity holding mechanism includes :-locating piece, shape adapt to product connecting rod inner chamber and cooperate, are provided with trip piece mounting groove position and jump ring mounting groove position in the middle part of it;-trip piece is installed in the trip piece mounting groove position of locating piece and together with locating piece and fixedlys connected with the product connecting rod jointly by a latch, and its both ends are provided with first trip and second trip respectively;-jump ring is installed in the jump ring mounting groove position of locating piece, and it contacts with trip piece contact to cooperate provides the power that resets for it.
Further, described elasticity relieving mechanism includes :-slip cap piece, activity are set in the outside and annular groove that be built in link of product connecting rod and cooperate with the link interlock, and its inwall bottom is provided with a cone-shaped groove;-elastomeric element, it includes spring base and back-moving spring, described spring base includes base and loam cake, base wears that to be located at the product connecting rod outside and fixedly connected with connecting rod by latch, the loam cake activity is set in product connecting rod outside and its top and the bottom contact cooperation with link with the base fastening respectively, and described back-moving spring activity is set in product connecting rod outside and its both ends contact cooperation with the interior end of loam cake and the contact of the interior end of base respectively.
Further, described first trip passes the perforation that is arranged on the product connecting rod and cooperates with the vertical strip-shaped clamp groove clutch clamping of link, and second trip passes to be arranged at the perforation on the product connecting rod and to be built in cone-shaped groove and cooperates with slip cap piece interlock.
Further, described link upper inside wall is provided with the vertical strip-shaped clamp groove that four one-tenth " ten " font is arranged.
Further, the outer setting of described link has the push-and-pull non-slipping block.
The utility model compared with prior art, its beneficial effect is:
1, tower wagon is provided with castor, and castor is assemblied in existing folding tower wagon bottom, and rotatable location does not influence the normal use of folding tower wagon, and can utilize runner to carry out moving quickly and easily and carrying;
2, overall structure advantages of simple is made easily, and is practical reliable, helps further promoting the use of of folding tower wagon;
3, convenient to operation, time saving and energy saving.
In order to understand the utility model more clearly, set forth the specific embodiment of the present utility model below with reference to description of drawings.
Description of drawings
Fig. 1 a, 1b are structural representations of the present utility model.
Fig. 2 is the structural representation of castor.
Fig. 3 is the structure sectional view of castor.
Fig. 4 is the structure sectional view of link.
Fig. 5 is the structural representation of elasticity holding mechanism.
Fig. 6 is the structural representation of locating piece among Fig. 5.
Fig. 7 is the structural representation of elasticity relieving mechanism.
The specific embodiment
Shown in Fig. 1 to 7, collapsible castor tower wagon described in the utility model includes tower wagon 1 and castor 2, and described castor 2 includes runner 21 and link 22, described runner 21 is assemblied on the link 22, and described link 22 wears and is positioned folding ladder connecting rod 11 outsides; Further, also include the elasticity holding mechanism 23 of blocking locking link 22 and the elasticity relieving mechanism 24 that a release discharges link 2, described elasticity holding mechanism 23 wears and is assemblied in folding ladder connecting rod 11 inside, it cooperates with link 22 clutch clampings, described elasticity relieving mechanism 24 wears and is positioned folding ladder connecting rod 11 outsides, and it uses with link 22 and elasticity holding mechanism 23 interlocks respectively and cooperates.
Above-mentioned link 22 wears the positioning sleeve 12 and the 24 common restrictions of elasticity relieving mechanism that are fixedly arranged on the folding ladder connecting rod 11 by one and is positioned folding ladder connecting rod 11 outsides, its upper inside wall is provided with the vertical strip-shaped clamp groove 221 that four one-tenth " ten " font is arranged, the inwall bottom is provided with an annular groove 222.Preferably, the outer setting of described link 22 has push-and-pull non-slipping block 223.
Above-mentioned elasticity holding mechanism 23 includes :-locating piece 231, shape adapt to folding ladder connecting rod 11 inner chambers and cooperate, are provided with trip piece mounting groove position 2311 and jump ring mounting groove position 2312 in the middle part of it;-trip piece 232 is installed in the trip piece mounting groove position 2311 of locating piece 231 and together with locating piece 231 and fixedlys connected with folding ladder connecting rod 11 jointly by a latch, and its both ends are provided with first trip 2321 and second trip 2322 respectively;-jump ring 233 is installed in the jump ring mounting groove position 2312 of locating piece 231, and it contacts with trip piece 232 contacts to cooperate provides the power that resets for it.Further, described first trip 2321 passes the perforation that is arranged on the folding ladder connecting rod 11 and cooperates with the vertical strip-shaped clamp groove 221 clutch clampings of link 22, and second trip 2322 passes to be arranged at the perforation on the folding ladder connecting rod 11 and to be built in following cone-shaped groove and cooperates with slip cap piece interlock.
Above-mentioned elasticity relieving mechanism 24 includes :-slip cap piece 241, activity are set in the outside and annular groove 222 that be built in link 22 of folding ladder connecting rod 11 and cooperate with link 22 interlocks, and its inwall bottom is provided with a cone-shaped groove 2411;-elastomeric element 242, it includes spring base and back-moving spring, described spring base includes base 2421 and loam cake 2422, base 2421 wears that to be located at folding ladder connecting rod 11 outside and fixedly connected with connecting rod 11 by latch, loam cake 2422 activities are set in folding ladder connecting rod 11 outsides and its top and the bottom contact cooperation with link 22 with base 2421 fastenings respectively, and described back-moving spring 2423 activities are set in folding ladder connecting rod 11 outsides and its both ends contact cooperation with the interior end of loam cake 2422 and the contact of the interior end of base 2421 respectively.
Operating principle of the present utility model is as described below:
When folding ladder launched to use, two castors 2 can turn to and are provided with and are locked in this position (as shown in Figure 1a) in opposite directions, and at this moment, castor 2 is liftoff, can not influence the normal use of tower wagon 1, and is safe and reliable;
Folding ladder folds when moving, the link 22 of elder generation's pulled down castor, link 22 drives loam cake 2422 compression reseting springs 2423 in folding process, driving slip cap piece 241 simultaneously moves down synchronously, slip cap piece 241 is in folding process, the inclined-plane 2412 of cone-shaped groove 2411 contacts cooperation with second trip, 2322 contacts of trip piece 232, progressively undergauge along with inclined-plane 2412, second trip 2322 past connecting rod 11 inside are slowly withdrawed from, meanwhile, the vertical strip-shaped clamp groove 221 of first trip, 2321 compressings jump ring 233 release link 22 slowly, when first trip 2321 withdraws from vertical strip-shaped clamp groove 221 fully, link 22 loses the blocking effect of trip piece 232, can freely rotate around connecting rod 11, when outside rotation 90 is spent, first trip 2321 of trip piece 232 inserts another vertical strip-shaped clamp groove 221 of link 22 again, castor 2 is locked in this position again, and this moment, castor 2 landed (shown in Fig. 1 b), can move easily.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and modification.
Claims (7)
1. collapsible castor tower wagon, include tower wagon and castor, described castor includes runner and link, wherein, described runner is assemblied on the link, described link wears and is positioned product connecting rod outside, it is characterized in that: described castor also includes the elasticity holding mechanism of blocking locking link and the elasticity relieving mechanism that a release discharges link, wherein, described elasticity holding mechanism wears and is assemblied in product connecting rod inside, it cooperates with link clutch clamping, and described elasticity relieving mechanism wears and is positioned product connecting rod outside, and it uses with link and elasticity holding mechanism interlock respectively and cooperates.
2. collapsible castor tower wagon according to claim 1, it is characterized in that: described link wears the positioning sleeve and the common restriction of elasticity relieving mechanism that are fixedly arranged on the product connecting rod by one and is positioned product connecting rod outside, its upper inside wall is provided with at least one vertical strip-shaped clamp groove, and the inwall bottom is provided with an annular groove.
3. collapsible castor tower wagon according to claim 2 is characterized in that: described elasticity holding mechanism includes:
-locating piece, shape adapt to product connecting rod inner chamber and cooperate, and its middle part is provided with trip piece mounting groove position and jump ring mounting groove position;
-trip piece is installed in the trip piece mounting groove position of locating piece and together with locating piece and fixedlys connected with the product connecting rod jointly by a latch, and its both ends are provided with first trip and second trip respectively;
-jump ring is installed in the jump ring mounting groove position of locating piece, and it contacts with trip piece contact to cooperate provides the power that resets for it.
4. collapsible castor tower wagon according to claim 3 is characterized in that: described elasticity relieving mechanism includes:
-slip cap piece, activity are set in the outside and annular groove that be built in link of product connecting rod and cooperate with the link interlock, and its inwall bottom is provided with a cone-shaped groove;
-elastomeric element, it includes spring base and back-moving spring, described spring base includes base and loam cake, base wears that to be located at the product connecting rod outside and fixedly connected with connecting rod by latch, the loam cake activity is set in product connecting rod outside and its top and the bottom contact cooperation with link with the base fastening respectively, and described back-moving spring activity is set in product connecting rod outside and its both ends contact cooperation with the interior end of loam cake and the contact of the interior end of base respectively.
5. collapsible castor tower wagon according to claim 4, it is characterized in that: described first trip passes the perforation that is arranged on the product connecting rod and cooperates with the vertical strip-shaped clamp groove clutch clamping of link, and second trip passes to be arranged at the perforation on the product connecting rod and to be built in cone-shaped groove and cooperates with slip cap piece interlock.
6. according to claim 2 or 5 described collapsible castor tower wagons, it is characterized in that: described link upper inside wall is provided with the vertical strip-shaped clamp groove that four one-tenth " ten " font is arranged.
7. collapsible castor tower wagon according to claim 1 and 2, it is characterized in that: the outer setting of described link has the push-and-pull non-slipping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205172321U CN201786239U (en) | 2010-09-01 | 2010-09-01 | Foldable passenger stairs with casters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205172321U CN201786239U (en) | 2010-09-01 | 2010-09-01 | Foldable passenger stairs with casters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786239U true CN201786239U (en) | 2011-04-06 |
Family
ID=43818206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205172321U Expired - Fee Related CN201786239U (en) | 2010-09-01 | 2010-09-01 | Foldable passenger stairs with casters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949257A (en) * | 2010-09-01 | 2011-01-19 | 阳江市飞轮金属制品有限公司 | Foldable castor ladder vehicle |
| CN111042729A (en) * | 2019-12-25 | 2020-04-21 | 阳江市飞轮金属制品有限公司 | Foldable castor ladder vehicle |
-
2010
- 2010-09-01 CN CN2010205172321U patent/CN201786239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949257A (en) * | 2010-09-01 | 2011-01-19 | 阳江市飞轮金属制品有限公司 | Foldable castor ladder vehicle |
| CN111042729A (en) * | 2019-12-25 | 2020-04-21 | 阳江市飞轮金属制品有限公司 | Foldable castor ladder vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130901 |