CN201390586Y - Ladder way structure for controlling folding and unfolding of foldable step - Google Patents
Ladder way structure for controlling folding and unfolding of foldable step Download PDFInfo
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- CN201390586Y CN201390586Y CN200920142383U CN200920142383U CN201390586Y CN 201390586 Y CN201390586 Y CN 201390586Y CN 200920142383 U CN200920142383 U CN 200920142383U CN 200920142383 U CN200920142383 U CN 200920142383U CN 201390586 Y CN201390586 Y CN 201390586Y
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- guide rail
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Abstract
The utility model discloses a folding ladder way structure with opening of control folded cascade step, remove hasp direction to the latch hook including main wheel guide rail, auxiliary wheel control guide rail, folding control guide rail and hit a guide rail to the latch hook and support a hook lock and hit the piece, auxiliary wheel control guide rail is equipped with the guide rail groove with collapsible step auxiliary wheel complex towards the medial surface of collapsible step, folding control guide rail medial surface be equipped with the support arm control pin sliding fit's of collapsible step control pin spout, it hits a guide rail and corresponds with the hook lock of collapsible step and hits a position. The utility model discloses can control folding, the opening of collapsible step to folding, the in-process of opening collapsible step makes step tread surface remain the level throughout and have bearing capacity, the structure is reliable, and the method is simple and convenient, easy going.
Description
Technical field
The utility model relates to a kind of terraced line structure that Foldable cascade is folding and open of controlling.
Background technology
In the industry of producing escalator, China Patent No. is: 200720075427.3 patent has proposed a kind of folding automatic escalator step, its keystone configuration as shown in Figures 1 to 4, comprise step pedal 3a, be fixed in the step main wheel 1a of step pedal 3a bottom one side by wheel shaft, one end is articulated in the swing arm 4a on the wheel shaft of step main wheel 1a, be fixed on the step jockey pulley 2a of the swing arm 4a other end by wheel shaft, the support arm 5a that one end and step pedal 3a bottom opposite side articulate, be located at the slide-bar 6a and the support arm control pin 7a of the support arm 5a other end, described swing arm 4a is provided with the arc chute 10a of guiding and restriction slide-bar 6a slip, also be provided with the hook lock 8a of fastener slide-bar 6a and the hook lock collision block 9a that is wholely set with hook lock 8a on the described step jockey pulley 2a wheel shaft, when hook lock 8a releasing was opened with the fastener of slide-bar 6a, latch hook 8a and latch hook collision block 9a had the restoring force that trend fastener direction is rotated.This Foldable cascade presents three kinds of states in the operation of whole terraced road: 1. full open position, and 2. by being opened to folding intermediateness, as shown in Figure 2 as shown in Figure 1; 3. complete folded state, as shown in Figure 3.Should folding step be to adopt the translation steering mode, so this step must be finished once by being opened to folding fully fully or by folding into the switching process of opening fully fully in certain trip segment on terraced road at the steering mode of terraced road upper and lower end.The main function purpose of this step is: step is run to down in the horizontal segment process by the tilting section on terraced road, this step needs to be transformed into complete folded state by full open position, with should this step running in the tilting section process by the following horizontal segment on terraced road, this step needs to be transformed into full open position by complete folded state, in the overall process of two state phases of step co-conversion, need keep the step pedal face to be the level of state all the time simultaneously.Be to realize this purpose, need have a kind of structure or mechanism to control the variation of the step opening and closing angle in the Foldable cascade transition process, make step give step in the mutual transition process and still have load-carrying capacity with opening simultaneously folding.
Summary of the invention
The utility model purpose provides a kind of terraced line structure that Foldable cascade is folding and open of controlling, it can control folding, opening of collapsible step, and in the process that folds, opens collapsible step, make the step pedal face remain level and have load-carrying capacity, reliable in structure, easy, the easy row of method.
The technical solution of the utility model is: a kind of Foldable cascade of controlling folds and the terraced line structure of opening, comprise main wheel guide rail, jockey pulley control guide rail, the folding collision block guide rail of controlling guide rail and replacing the hook lock collision block to latch hook releasing snap close direction, wherein main wheel guide rail and common stair step main wheel guide rail are identical, and its effect is that the guiding step is by normal terraced rail mark operation; Described jockey pulley control guide rail is provided with the guide-track groove that cooperates with collapsible step jockey pulley towards the medial surface of collapsible step, and all there is spacing requirement upper and lower two sides of groove to the operation of jockey pulley.Described folding control guide rail medial surface is provided with the control pin runner of selling bearing fit with the support arm control of collapsible step, and described collision block guide rail is corresponding with the hook lock collision block position of collapsible step.
The further technical scheme of the utility model is: described terraced line structure is between inclination active section ladder road and horizontal operation section ladder road.
Described jockey pulley control guide rail comprises and the horizontal transition linear portion of the jockey pulley guide rail smooth connection on horizontal operation section ladder road, with the angled transition segment of curve of the jockey pulley guide rail smooth connection on the terraced road of inclination active section and horizontal transition linear portion and angled transition segment of curve between the folding work segment of curve of curved arc degree under the having that be connected smoothly.Wherein the level attitude of horizontal transition linear portion and main wheel guide rail are contour; Described folding work segment of curve is formed by the smooth connection of multistage quadratic curve, the two ends of curve have considered that driven member starting velocity size, velocity reversal change factors such as causing soft impulse that guide rail is produced and carried out customized design, in the time of will considering when the intermediate ends of curve designs that step control swing arm swing changes, the angular acceleration change of swing arm should be not excessive, and the unlikely phenomenons such as Foldable cascade is steady inadequately by the fold domain time, noise increase that cause occur; The angled transition segment of curve is the terraced road curve that Foldable cascade is opened the normal operation of back step fully, also is one section junction curve preparing to enter folding work.
Horizontal transition linear portion and the cooresponding horizontal segment of angled transition segment of curve shape and the tilting section of guide rail controlled at described folding control guide rail two ends respectively with jockey pulley, smooth connection has the segment of curve of arch between the described folding control guide rail two ends.The opening and closing angle that folding control guide rail is used for controlling the support arm of Foldable cascade guarantees that the step pedal face folding or open operational process and remain horizontality, guarantees that also step has the bearing load ability in this process simultaneously.
Described collision block guide rail is positioned at jockey pulley control guide rail angled transition segment of curve inboard, described collision block guide rail has the two ends that are lower than the hook lock collision block and is higher than the middle part of hook lock collision block, curved surface for seamlessly transitting between described two ends and the middle part, described collision block guide rail two ends lay respectively at the tilting section of folding control guide rail and the front side and the rear side of segment of curve bonded assembly turning point.Folding and opening of Foldable cascade need have a hook lock to be limited, and when step need fold, hook lock was opened in advance, and step just can enter folded state; After step was from the folded state to the full open position, hook lock needed the step fold mechanism is pinned, and step just can enter the tilting section safe operation of terraced road.The collision block guide rail can be when Foldable cascade moves to the appropriate location, control hook lock open and close.
The utility model advantage is:
1. the utility model makes collapsible step finish automatically on terraced road by folding into fully to open fully or by being opened to fully folding transforming process fully, make that the use of collapsible step is convenient.
2. the utility model main wheel guide rail, jockey pulley control guide rail and the combination of folding control guide rail make step in the process that folds, opens, and the step pedal face remains level and has load-carrying capacity, reliable in structure.
Description of drawings
Fig. 1 is the scheme drawing of collapsible step open mode;
Fig. 2 opens and folds the scheme drawing of intermediateness for collapsible step;
Fig. 3 is the scheme drawing of collapsible step folded state;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the plan structure scheme drawing of the utility model specific embodiment;
Fig. 6 is the A-A cross-sectional schematic of Fig. 5;
Fig. 7 is the B-B cross-sectional schematic of Fig. 5;
Fig. 8 is the perspective view of the utility model specific embodiment jockey pulley control guide rail;
Fig. 9 is the front elevation of the utility model specific embodiment jockey pulley control guide rail;
Figure 10 is the perspective view of the folding control of the utility model specific embodiment guide rail;
Figure 11 is the front elevation of the folding control of the utility model specific embodiment guide rail;
Figure 12 is the front elevation of the utility model specific embodiment collision block guide rail;
Figure 13 is the cross-sectional figure of Figure 12;
Figure 14 is the principle of work scheme drawing of the utility model specific embodiment.
Wherein: 1a step main wheel; 2a step jockey pulley; The 3a step pedal; The 4a swing arm; The 5a support arm; The 6a slide-bar; 7a support arm control pin; The 8a hook lock; 9a hook lock collision block; The 10a arc chute; 1 main wheel guide rail; 2 jockey pulleys control guide rail; 21 horizontal transition linear portions; 22 folding work segment of curve; 23 angled transition segment of curve; 24 guide-track grooves; 3 folding control guide rails; 31 horizontal segments; 32 segment of curve; 33 tilting sections; 34 control pin runners; 4 collision block guide rails; 5 jockey pulley guide rails.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: extremely shown in Figure 14 as Fig. 5, a kind of Foldable cascade of controlling folds and the terraced line structure of opening, comprise main wheel guide rail 1, described terraced line structure also comprises jockey pulley control guide rail 2, folding control guide rail 3 and replaces the collision block guide rail 4 of hook lock collision block 9a to latch hook 8a releasing snap close direction, described jockey pulley control guide rail 2 is provided with the guide-track groove 24 that cooperates with collapsible step jockey pulley 2a towards the medial surface of collapsible step, and there are guiding, position-limiting action in the two sides of guide-track groove to the motion of jockey pulley.Described folding control guide rail 3 medial surfaces are provided with the control pin runner 34 of selling the 7a bearing fit with the support arm control of collapsible step, and two the motions in the face of support arm control pin 7a of this control pin runner about in the of 34 have guiding, position-limiting action; It can control Foldable cascade folding arm 5a opening and closing angle simultaneously.
Described terraced line structure is between inclination active section ladder road and horizontal operation section ladder road.
Described jockey pulley control guide rail 2 comprises and the horizontal transition linear portion 21 of jockey pulley guide rail 5 smooth connections on horizontal operation section ladder road, with the angled transition segment of curve 23 of jockey pulley guide rail 5 smooth connections on the terraced road of inclination active section and horizontal transition linear portion 21 and angled transition segment of curve 23 between the folding work segment of curve 22 of curved arc degree under the having that be connected smoothly.Described folding work segment of curve 22 is formed by the smooth connection of multistage quadratic curve.
Horizontal transition linear portion 21 and the cooresponding horizontal segment of angled transition segment of curve 23 shapes and the tilting section of guide rail 2 controlled at described folding control guide rail 3 two ends respectively with jockey pulley, smooth connection has the segment of curve of arch between described folding control guide rail 3 two ends.
Described collision block guide rail 4 is corresponding with the hook lock collision block 9a position of collapsible step.Described collision block guide rail 4 is positioned at jockey pulley control guide rail 2 angled transition segment of curve 23 inboards, described collision block guide rail 4 has two ends that are lower than hook lock collision block 9a and the middle part that is higher than hook lock collision block 9a, curved surface for seamlessly transitting between described two ends and the middle part, described collision block guide rail 4 two ends lay respectively at the tilting section of folding control guide rail 3 and the front side and the rear side of segment of curve bonded assembly turning point.On the collision block guide rail 4 curved surface of two ends transition and the hook lock collision block 9a on Foldable cascade collision and jack-up hook lock 8a controls that hook lock 8a opens and in due course machine allow hook lock 8a to reset, thereby reach the purpose of opening and open the period of control hook lock 8a.
Principle of work is as shown in figure 14:
(1) when Foldable cascade is up, be that step needs when folded state is transformed into full open position, the step main wheel enters the guide rail arc section along main wheel guide rail 1 cruising by the guide rail horizontal segment, support arm control pin 7a on the step at first enters folding control guide rail 3, step jockey pulley 2a enters jockey pulley control guide rail 2 then, the collapsible ladder level entered by folded state to the starting stage of opening, operation along with step, swing arm 4a constantly opens downwards, support arm slide-bar 6a slippage backward, when step support arm slide-bar 6a slippage contact step hook lock 8a position, with hook lock 8a jack-up, slipping over when reaching the limit of the position behind the hook lock 8a step opens fully, hook lock 8a resets under self action of the spring the step fold mechanism is pinned, and step is transformed into the full open position overall process by folded state to be finished.Step enters normal tilting section ladder road operation.In whole transition process, because main wheel guide rail curve, jockey pulley control guide rail curve, three orbital curves of folding control guide rail curve make step pedal face 3a remain horizontality in folding process and still have load-carrying capacity simultaneously the conjugation in the folding operational process of step.
(2) when Foldable cascade is descending, both step needed to be transformed into when folding from full open position, the step main wheel enters the guide rail arc section along main wheel guide rail cruising by the guide rail tilting section, step upper branch arm control pin 7a at first enters folding control guide rail 3, step jockey pulley 2a enters jockey pulley control guide rail 2 then, after jockey pulley enters jockey pulley control guide rail 2, after 4 collisions of latch hook collision block 9a on the step hook lock 8a and collision block guide rail contact, hook lock 8a is by jack-up, step begins to enter the starting stage that is transformed into folded state by full open position, as step upper branch arm control pin 7a, step jockey pulley 2a rolls folding control guide rail 3 respectively away from, behind the jockey pulley control guide rail 4, step is transformed into the folded state overall process by full open position to be finished, and step enters normal horizontal segment ladder road operation.In like manner since main wheel guide rail curve, jockey pulley control guide rail curve, three orbital curves of folding control guide rail curve to the conjugation in the folding operational process of step, make the step pedal face in folding process, remain horizontality and still have load-carrying capacity simultaneously.
The utility model can be controlled folding, opening of collapsible step, and makes the step pedal face remain level and have load-carrying capacity in the process that folds, opens collapsible step, reliable in structure, easy, the easy row of method.
Claims (5)
1. control the terraced line structure that Foldable cascade is folding and open for one kind, comprise main wheel guide rail (1), it is characterized in that: described terraced line structure also comprises jockey pulley control guide rail (2), the folding collision block guide rail (4) of controlling guide rail (3) and replacing hook lock collision block (9a) to latch hook (8a) releasing snap close direction, described jockey pulley control guide rail (2) is provided with the guide-track groove (24) that cooperates with collapsible step jockey pulley (2a) towards the medial surface of collapsible step, described folding control guide rail (3) medial surface is provided with the control pin runner (34) of selling (7a) bearing fit with the support arm control of collapsible step, and described collision block guide rail (4) is corresponding with hook lock collision block (9a) position of collapsible step.
2. control Foldable cascade according to claim 1 folds and the terraced line structure of opening, and it is characterized in that: described terraced line structure is between inclination active section ladder road and horizontal operation section ladder road.
3. control Foldable cascade according to claim 1 folding with the terraced line structure of opening, it is characterized in that: described jockey pulley control guide rail (2) comprises and the horizontal transition linear portion (21) of jockey pulley guide rail (5) smooth connection on horizontal operation section ladder road, with the angled transition segment of curve (23) of jockey pulley guide rail (5) smooth connection on the terraced road of inclination active section and horizontal transition linear portion (21) and angled transition segment of curve (23) between the folding work segment of curve (22) of curved arc degree under the having that be connected smoothly.
4. control Foldable cascade according to claim 2 folds and the terraced line structure of opening, it is characterized in that: horizontal transition linear portion (21) and the cooresponding horizontal segment of angled transition segment of curve (23) shape (31) and the tilting section (33) of guide rail (2) controlled at described folding control guide rail (3) two ends respectively with jockey pulley, smooth connection has the segment of curve (32) of arch between described horizontal segment (31) and the tilting section (33).
5. control Foldable cascade according to claim 3 folds and the terraced line structure of opening, it is characterized in that: described collision block guide rail (4) is positioned at jockey pulley control guide rail (2) angled transition segment of curve (23) inboard, described collision block guide rail (4) has two ends that are lower than hook lock collision block (9a) and the middle part that is higher than hook lock collision block (9a), curved surface for seamlessly transitting between described two ends and the middle part, described collision block guide rail (4) two ends lay respectively at the tilting section of folding control guide rail (3) and the front side and the rear side of segment of curve bonded assembly turning point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142383U CN201390586Y (en) | 2009-04-09 | 2009-04-09 | Ladder way structure for controlling folding and unfolding of foldable step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142383U CN201390586Y (en) | 2009-04-09 | 2009-04-09 | Ladder way structure for controlling folding and unfolding of foldable step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390586Y true CN201390586Y (en) | 2010-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920142383U Expired - Fee Related CN201390586Y (en) | 2009-04-09 | 2009-04-09 | Ladder way structure for controlling folding and unfolding of foldable step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201390586Y (en) |
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2009
- 2009-04-09 CN CN200920142383U patent/CN201390586Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120309 Address after: 215213, Jiangsu, Wujiang Province, Fen lake, Xin tower, south side of Longgang Road Patentee after: Shenlong Elevator Co., Ltd. Address before: 215213, 1253 Xin Tower Street, Xin tower town, Jiangsu, Wujiang Patentee before: Suzhou Shenlong Elevator Co., Ltd. |
|
| 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: 20100127 Termination date: 20180409 |