CN2879820Y - Two-step ladder of chair type - Google Patents
Two-step ladder of chair type Download PDFInfo
- Publication number
- CN2879820Y CN2879820Y CN 200620054015 CN200620054015U CN2879820Y CN 2879820 Y CN2879820 Y CN 2879820Y CN 200620054015 CN200620054015 CN 200620054015 CN 200620054015 U CN200620054015 U CN 200620054015U CN 2879820 Y CN2879820 Y CN 2879820Y
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- China
- Prior art keywords
- pedal
- chair type
- ladder
- arm
- support stand
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- Expired - Fee Related
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Abstract
The utility model relates to a two-step ladder of chair-type, in particular to a foldable, portable and insulated chair-type two-step ladder. The ladder mainly comprises front and rear supporting racks and handle racks, and the connection between the supporting rack and the handle rack is movable. On the front supporting rack is fixed with a high pedal and a lower pedal. It is characterized in that the handle rack can extend along the front supporting rack. Under the high pedal is provided with a device of control the extension of the handle rack and an auxiliary pedal extending to the rear supporting rack. In addition, on the rear supporting rack is equipped with an auxiliary pedal rod bracket, which realizes the retraction of the auxiliary pedal together with the rod bracket localizer equipped on the auxiliary pedal. The main piping components of the two-step ladder of chair-type utilizes the glass fiber materials of high-intensity, light weight, corrosion and oxygenation-resistance; the model possesses obvious insulation function, particularly when the model is used for repairing the electrical circuits of the household appliance.
Description
Technical field
The utility model relates to a kind of two step of chair type ladder, relates in particular to a kind of two step of chair type ladder folding, light, insulation.
Background technology
Ladder when people need high-rise working, when getting thing, plastering wall or being engaged in some routine works that need increase extra height as eminence, can use ladder to climb to increase height and convenient working normally by a framework and one or more pedal.In order to save storage space, often need when not using, can dwindle the usage space of ladder, so general ladder all adopts the folding framework as far as possible.
For the convenience of ladder, often need ladder do light, in order to realize working service, need ladder to have good insulation performance to charging equipment, the operator is tired easily aloft in addition, so an interim half space of being convenient to have a rest need be set.
The utility model content
The purpose of this utility model is to propose a kind of two step of chair type ladder, particularly a kind of intensity height, in light weight, corrosion-resistant, resistance to oxidation, the ladder with insulating properties.
The purpose of this utility model can reach by following measure:
This two step of chair type ladder, bracing frame and arm-rest frame before and after it mainly comprises, flexibly connect between bracing frame and the arm-rest frame, on described front support stand, be fixed with one high and one low two pedals, its special character is, described arm-rest frame can be flexible along front support stand, be provided with the extension and contraction control mechanism of arm-rest frame in the bottom surface of high pedal and extend an attached pedal to the rear support stand direction, rear support stand is provided with an attached pedal pressure pin in addition, and set pressure pin locator is realized the folding and unfolding of attached pedal on this pressure pin and the attached pedal.
The purpose of this utility model can also reach by following measure:
Support frame as described above and arm-rest frame adopt hinge to connect mode, wherein hinge seat is a cuboid, the one end is provided with ladder rectangle via hole, cascaded surface has certain gradient, the sidewall that contacts with front support stand is provided with boss, and the other end of hinge seat has a groove, and the center of groove is provided with perforation, to being provided with rectangular slot, the center of groove is provided with the trip bolt hole along the hinge seat major axis.
There is a disc master cock that has a handle in described extension and contraction control mechanism, its center is provided with the open-work of fixing this mechanism, the one side of disk has the crescent shaped groove of two symmetries, the one end is near central bore, leave a torsion spring jack on the disk, also have two latch assemblies in addition, this module body is a cylindrical bar, the one end is provided with a smooth latch, the other end is provided with a cylinder with boss vertical with cylindrical bar, on boss, be with smooth circular pegs, circular pegs is inserted in the crescent shaped groove, and the bottom surface of described high pedal is provided with a plurality of rectangular recess, and groove walls is provided with open-work, be provided with a screw hole and torsion spring hole in the middle of the pedal, wherein the latch assembly cylindrical bar cover of extension and contraction control mechanism is inserted in the open-work of pedal bottom surface.
Described front support stand is the body material of a hollow, which is provided with that fixed pedestal uses to perforation, inboard corresponding extension and contraction control mechanism of high pedal bearing latch is provided with an inner via hole, is placed in the arm-rest frame in the front support stand, and distributing on the arm-rest frame, several are used for the inner via hole of extension and contraction control.
Adopt the moving engagement of pin formula axle to link between described pedal and the attached pedal.
Described attached pedal bottom surface is provided with a handle shape pressure pin locator.
The touchdown point of described front and back bracing frame is provided with anti-skidding striped.
Described pedal and front support stand link bearing corresponding be provided with anti-skidding boss and hole.
Support frame as described above and arm-rest frame adopt intensity height, in light weight, corrosion-resistant, sludge proof glass fiber material to make.
The utility model has following advantage compared to existing technology:
1, the arm-rest frame of this two step of chair type ladder has Telescopic, can regulate suitable height according to differing heights, uses different crowd to use.
2, main framework of two step of this chair type ladder adopts intensity height, in light weight, corrosion-resistant, sludge proof glass fiber material to make, and this ladder that makes is light.
3, two step of this chair type ladder adopts the long-pending part of extension and contraction control structure of flexibility and reliability, makes the extension and contraction control of arm-rest frame of ladder flexible.
4, upper footboard and attached pedal of two step of this chair type ladder have certain width, can make user's rest of sitting idly when fatigue.
Description of drawings
Fig. 1 is the user mode figure of two step of the utility model chair type ladder.
Fig. 2 is the front support stand exploded view of two step of the utility model chair type ladder.
Fig. 3 is the hinge seat schematic diagram of two step of the utility model chair type ladder.
Fig. 4 is the pedal schematic diagram of two step of the utility model chair type ladder.
Fig. 5 is the attached pedal schematic diagram of two step of the utility model chair type ladder.
Fig. 6 is the rear support stand exploded view of two step of the utility model chair type ladder.
Fig. 7 is the arm-rest frame exploded view of two step of the utility model chair type ladder.
Fig. 8 is the contraction controlling organization exploded view of two step of the utility model chair type ladder.
The specific embodiment
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 to Fig. 8 shows a specific embodiment of two step of the utility model chair type ladder, and as shown in Figure 1, two step of chair type ladder mainly is made up of front support stand 1, rear support stand 2, arm-rest frame 3 and extension and contraction control mechanism 4.As shown in Figure 2, stay pipe 11, hinge seat 12, upper footboard 13, following pedal 14, attached pedal 15, preceding support pin plug 16, preceding stay pipe pressing plate 17, tapping screw 18 and the folding pivot pin 19 of attached pedal before front support stand 1 mainly comprises.Wherein preceding stay pipe 11 is a rectangle tubing, and two end-grain cutting have a fixed inclination 111.Before be distributed with anti-slip hole 112 on the stay pipe 11, correspond respectively to hinge seat 12, upper footboard 13, the installation position of pedal 14 down, be provided with a pin hole 113 below the anti-slip hole 112.Preceding support pin plug 16 is two-stage four directions boss, and its one-level table top 161 is complementary with the gradient of preceding stay pipe 11 1 ends, and the bottom is provided with anti-skidding line 162, and the inner chamber of its convex platform size and preceding stay pipe 11 is press-fitted.Preceding stay pipe pressing plate 17 is four limit bodies of a U-shaped, and the sliding boss 171 of setting up defences in its U-lag respectively is provided with a bar shaped boss 172 and two screw holes 173 on the platform on U-lag both sides.
As shown in Figure 3, hinge seat 12 is a parallel tetrahedron, and its front end does that a ladder slot 121 is arranged, and its two sides is 1211,1212, and wherein second cascaded surface has and the gradient of oblique angle, preceding support 11 termination to coupling.The rear end face of hinge seat 12 does that a rectangular slot 122 is arranged, and leaves certain interval between rectangular slot 122 and the slot 121, is provided with one to boring a hole 1221 at rectangular slot 122 centers.Hinge seat 12 does that vertically a groove 123 is arranged, and the centre is provided with two trip bolt holes 124.Front end shoulder hole face 1212 is provided with anti-slip boss 12121.
As shown in Figure 4, upper footboard 13 is parallel tetrahedrons with following pedal 14, its two ends have quadrangle notch 131, and notch 131 bottoms are provided with anti-skidding boss 1311, respectively are provided with a bar-shaped trough 132 and two screw holes 133 on notch 131 both sides, and rectangular recess is distributing on the pedal bottom surface, have hole 134 on the groove next door, be provided with a screw hole 135 and torsional spring slot 136 at the pedal middle part, the two ends, back respectively have three grooves 137, are provided with hole 1371 on groove 137.
As shown in Figure 5, attached pedal 15 is plate bodys, and the two ends, front are provided with three that the groove 136 that has later with upper footboard 13 is complementary and protrude blocks 151, protrudes on the block 151 to have hole 152, is respectively equipped with two screw holes 153 on bottom and the trailing flank.Screw hole 153 is used for fixing handle shape pressure pin locator.
As shown in Figure 6, two step of the chair type rear support stand 2 of ladder has a rectangle stay pipe 21, and its upper end is provided with a hole 211, and the lower end is provided with a blind rivet hole 212, on one side the middle part is provided with a macropore 213 to the poling wall, opposite side is established an aperture 214.An end is provided with a rectangle pipe 22 between the two rectangle stay pipes 21, and rectangle pipe 22 is provided with blind rivet hole 221, and rectangle stay pipe 21 adopts the break-in connector to be connected with rectangle pipe 22.Top is provided with an attached pedal pressure pin 23 between the two rectangle stay pipes 21, and attached pedal pressure pin 23 is a round bar, and its both ends of the surface are provided with screwed hole 231.
As shown in Figure 7, two step of the chair type arm-rest frame 3 of ladder has a rectangle stay pipe 31, and its upper end is provided with wearing blind rivet hole 311, and the lower end is provided with one to boring a hole 312, and the appropriate location, middle part is provided with two monolateral open-works 313.Rectangle stay pipe 31 upper ends are provided with rectangle handrail tube 32, and its two ends are provided with wearing blind rivet hole 321.Rectangle stay pipe 31 adopts special-shaped pipe joint 33 to be connected with rectangle handrail tube 32, lower end and 34 sockets of single order bucking ladder fairlead, and fairlead 34 boss are provided with a through hole 341.
As shown in Figure 8, there is the discoid master cock 41 of a band handle in extension and contraction control mechanism 4, and its center is provided with hole 411, and one side has crescent-shaped slot 412 and torsional spring slot 413 of two symmetries, is equipped with a torsion spring 43.Wherein one of crescent-shaped slot 412 section near hole 411.Also have a latch assembly 42 in addition, latch assembly 42 one ends are smooth latches 421, and latch 421 terminations connect with round bar in the middle of being provided with hole 4211, and the other end is a cylinder 423 that has boss, and its center is vertical with middle round bar.Wherein having pin head 424 on the boss 4231 inserts in the crescent-shaped slot 412.Extension and contraction control mechanism 4 is fixed on upper footboard 13 ground by rotating shaft 44 and screw 45.
Concrete assembling process is, the latch assembly 42 of extension and contraction control mechanism 4 inserts from the hole 134 of upper footboard bottom surface, smooth latch 421 inserts on the preceding stay pipe 11 of front support stands 1 in the pin hole 112, boss cylinder 423 inserts in the crescent-shaped slot 412, discoid master cock 41 is fixed on the upper footboard 13 through its centre bore 411 by location axle sleeve 43 and screw 44, is provided with torsion spring between discoid master cock 41 and upper footboard 13.To have stay pipe 11 assemblings of upper footboard 13 and the following pedal 14 and the front support stand 1 of extension and contraction control mechanism 4, it is corresponding with anti-slide opening 111 on the preceding stay pipe 11 to be pedal two ends convex platform 1311, before anti-skidding boss 171 on the stay pipe pressing plate 17 and bar shaped boss 172 respectively with preceding stay pipe 11 on anti-slide opening 111 and pedal on strip groove corresponding, and pass the fastening assembling of screw hole by screw.Attached pedal links by folding pivot pin 19.Insert in the hinge seat front end ladder slot 121 upper end of preceding stay pipe 11, makes its boss corresponding with anti-slide opening.Rear supporting tube 21 inserts in the rectangular slot 122 of hinge seat rear ends, adopts axle sleeve to connect, and makes at the axle sleeve two ends and to be screwed.The rectangle pipe 22 of rear supporting tube 21 and lower end adopts blind rivets to be connected, and middle attached pedal pressure pin 23 employing termination screws are fastening, and attached pedal pressure pin 23 is inserted in the pressure pin locator 154 on the pedal of mansion.The arm-rest frame 3 that will have fairlead is socketed in the hinge seat 12 front end ladder slots 121, wherein arm-rest frame stay pipe 31 can insert in the preceding stay pipe 11, and the smooth latch 421 of latch assembly 42 inserts the effect of playing the fixed armrest frame on the arm-rest frame stay pipes in the pin hole 112 in the extension and contraction control mechanism 4.Adopt special pipe to be connected between arm-rest frame upper end handrail tube and the bracing frame, connected mode employing blind rivet formula is fixed.
When needs are regulated the arm-rest frame height, stir the master cock 41 of extension and contraction control mechanism earlier, make latch 421 withdraw from pin hole 112 on the arm-rest frame stay pipe, after the pin hole alignment pins 421 of another height on the arm-rest frame, decontrol master cock 41, master cock 41 resets under the effect of torsion spring, makes latch 421 insert fixed armrest frame in the pin hole.
Claims (9)
1, a kind of two step of chair type ladder, bracing frame and arm-rest frame before and after it mainly comprises, bracing frame and arm-rest frame flexibly connect, on described front support stand, be fixed with one high and one low two pedals, it is characterized in that, described arm-rest frame can be flexible along front support stand, be provided with the extension and contraction control mechanism of arm-rest frame in the bottom surface of high pedal and extend an attached pedal to the rear support stand direction, rear support stand is provided with an attached pedal pressure pin in addition, and set pressure pin locator is realized the folding and unfolding of attached pedal on this pressure pin and the attached pedal.
2, two step of chair type ladder according to claim 1, it is characterized in that, support frame as described above and arm-rest frame adopt hinge to connect mode, and wherein hinge seat is a cuboid, and the one end is provided with ladder rectangle via hole, cascaded surface has certain gradient, the sidewall that contacts with front support stand is provided with boss, and the other end of hinge seat has a groove, and the center of groove is provided with perforation, to being provided with rectangular slot, the center of groove is provided with the trip bolt hole along the hinge seat major axis.
3, two step of chair type ladder according to claim 1, it is characterized in that, there is a disc master cock that has a handle in described extension and contraction control mechanism, its center is provided with the open-work of fixing this mechanism, the one side of disk has the crescent shaped groove of two symmetries, the one end is near central bore, leave a torsion spring jack on the disk, also have two latch assemblies in addition, this module body is a cylindrical bar, and the one end is provided with a smooth latch, and the other end is provided with a cylinder with boss vertical with cylindrical bar, on boss, be with smooth circular pegs, circular pegs is inserted in the crescent shaped groove, and the bottom surface of described high pedal is provided with a plurality of rectangular recess, and groove walls is provided with open-work, be provided with a screw hole and torsion spring hole in the middle of the pedal, wherein the latch assembly cylindrical bar cover of extension and contraction control mechanism is inserted in the open-work of pedal bottom surface.
4, two step of chair type ladder according to claim 3, it is characterized in that, described front support stand is the body material of a hollow, which is provided with that fixed pedestal uses to perforation, inboard corresponding extension and contraction control mechanism of high pedal bearing latch is provided with an inner via hole, be placed in the arm-rest frame in the front support stand, distribution these several is used for the inner via hole of extension and contraction control on the arm-rest frame.
5, two step of chair type according to claim 1 ladder is characterized in that, adopts moving engagement of pin formula axle to link between described pedal and the attached pedal.
6, two step of chair type ladder according to claim 1 is characterized in that, described attached pedal bottom surface is provided with a handle shape pressure pin locator.
7, two step of chair type ladder according to claim 1 is characterized in that the touchdown point of described front and back bracing frame is provided with anti-skidding striped.
8, two step of chair type according to claim 1 ladder is characterized in that, described pedal is corresponding with the fixed connection place of front support stand is provided with anti-skidding boss and hole.
9, two step of chair type according to claim 1 ladder is characterized in that, support frame as described above and arm-rest frame employing intensity height, in light weight, corrosion-resistant, sludge proof glass fiber material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620054015 CN2879820Y (en) | 2006-01-19 | 2006-01-19 | Two-step ladder of chair type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620054015 CN2879820Y (en) | 2006-01-19 | 2006-01-19 | Two-step ladder of chair type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2879820Y true CN2879820Y (en) | 2007-03-21 |
Family
ID=37879659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620054015 Expired - Fee Related CN2879820Y (en) | 2006-01-19 | 2006-01-19 | Two-step ladder of chair type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2879820Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496868A (en) * | 2011-12-02 | 2012-06-13 | 河南省电力公司信阳供电公司 | Movable type insulating two-step bench |
| CN103653925A (en) * | 2013-12-06 | 2014-03-26 | 简厚诚 | Dismountable folding seat |
| CN107252217A (en) * | 2017-07-26 | 2017-10-17 | 台山市爱达电器厂有限公司 | A kind of shelf |
| CN115251637A (en) * | 2021-04-29 | 2022-11-01 | 厦门新技术集成有限公司 | Sofa bed |
| CN115748349A (en) * | 2022-11-09 | 2023-03-07 | 中国电建集团成都勘测设计研究院有限公司 | Lifting stating step system and lifting method thereof |
-
2006
- 2006-01-19 CN CN 200620054015 patent/CN2879820Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496868A (en) * | 2011-12-02 | 2012-06-13 | 河南省电力公司信阳供电公司 | Movable type insulating two-step bench |
| CN103653925A (en) * | 2013-12-06 | 2014-03-26 | 简厚诚 | Dismountable folding seat |
| CN107252217A (en) * | 2017-07-26 | 2017-10-17 | 台山市爱达电器厂有限公司 | A kind of shelf |
| CN115251637A (en) * | 2021-04-29 | 2022-11-01 | 厦门新技术集成有限公司 | Sofa bed |
| CN115748349A (en) * | 2022-11-09 | 2023-03-07 | 中国电建集团成都勘测设计研究院有限公司 | Lifting stating step system and lifting method thereof |
| CN115748349B (en) * | 2022-11-09 | 2024-06-04 | 中国电建集团成都勘测设计研究院有限公司 | Lifting step system and lifting method thereof |
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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: 20070321 Termination date: 20110119 |