CN110374488A - A kind of Domestic staircase - Google Patents
A kind of Domestic staircase Download PDFInfo
- Publication number
- CN110374488A CN110374488A CN201910691306.9A CN201910691306A CN110374488A CN 110374488 A CN110374488 A CN 110374488A CN 201910691306 A CN201910691306 A CN 201910691306A CN 110374488 A CN110374488 A CN 110374488A
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- China
- Prior art keywords
- fixed
- plate
- rotating
- rotation axis
- respectively fixedly
- Prior art date
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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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of Domestic staircases, including mounting plate, it is separately positioned on two driving holes at mounting plate or so end, the first rotation axis being rotatably arranged in the driving hole of left end, it is fixed at two the first rotating bars of the first rotation axis outer surface front and back side, multiple first fixed links being respectively fixedly disposed between two the first rotating bars, the second rotation axis being rotatably arranged in the driving hole of right side, it is respectively fixedly disposed at two the second rotating bars of the second rotation axis outer surface front and back side, multiple second fixed links being respectively fixedly disposed between two the second rotating bars, it further include two grooves being respectively fixedly disposed in two the first rotating bars, the first fagging being fixed between the end wall of groove front and back, the second fagging being fixed between the first fagging and groove front and back end wall, the safety device of 1 downside of mounting plate is set, if Set the support device in 1 left side of mounting plate.
Description
Technical field
The invention belongs to Domestic staircase fields, more particularly, to a kind of Domestic staircase.
Background technique
Ladder is the apparatus of high altitude operation of helping others.The especially family in inhabitation rural area in the family, can often encounter high-altitude
It is middle to hang a thing or take a thing, it requires to use ladder, but existing Domestic staircase safety is poor, when a people is in height
When aerial getting thing, when another person accidentally kicks the foot of staircase, it may result in staircase when firmly excessive and close up,
To make to drop in high aerial people, so that safety is poor.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of higher Domestic staircase of safety.
To achieve the goals above, the invention adopts the following technical scheme: a kind of Domestic staircase, including mounting plate, respectively
Two driving holes that mounting plate or so end is arranged in, are fixed at the at the first rotation axis being rotatably arranged in the driving hole of left end
Two the first rotating bars of side before and after one rotation axis outer surface, multiple the be respectively fixedly disposed between two the first rotating bars
One fixed link, be rotatably arranged on right side driving hole in the second rotation axis, be respectively fixedly disposed at the second rotation axis outer surface before
Two the second rotating bars of rear side, multiple second fixed links being respectively fixedly disposed between two the second rotating bars further include
Two grooves that are respectively fixedly disposed in two the first rotating bars, be fixed at the first fagging before and after groove between end wall,
It is fixed at the second fagging between the first fagging and groove front and back end wall, the safety device being arranged on the downside of mounting plate 1, sets
Set the support device in 1 left side of mounting plate；The safety device includes first be fixed in the first rotating bar of front side
Fagging, the first dovetail groove being arranged on the first support plate side, can be arranged in up or down in the first dovetail groove first
Trapezoid block, the first pressing lever for being fixed at first trapezoid block one end.
The safety device further include two the first rotating holes being separately positioned in the first rotating bar of front and back side, rotation set
Set on two the first rotating holes the 4th rotation axis, be respectively fixedly disposed at the first connecting rod of side before and after the 4th rotation axis, solid
The fixing axle of first connecting rod one end is set calmly.
The safety device further includes the first spill spin block being fixed on first connecting rod, is fixed at front and back side
First snap-gauge of the opposite one end end face of one rotating bar, the second support plate being arranged in the second rotating bar of front side, setting are the
The second dovetail groove on two support plate sides, the second trapezoid block that can be arranged in up or down in the second dovetail groove.
The safety device further includes the second pressing lever for being fixed at second trapezoid block one end, is separately positioned on front and back
It is two the second rotating holes in the second rotating bar of side, the 5th rotation axis being rotatably arranged on two the second rotating holes, solid respectively
Two second connecting rods of side before and after 5th rotation axis outer surface are set calmly, are respectively fixedly disposed at two second connecting rod left ends
Two arc panels.
Before the safety device further includes the second swivel plate for being fixed at front side second connecting rod right end, is fixed at
Second snap-gauge of side the second rotating bar front end face is respectively fixedly disposed between the 4th transmission shaft and two the first rotating bars two
First torsional spring, two the second torsional springs being respectively fixedly disposed between the 5th transmission shaft and two the second rotating bars.
The support device includes the stroke groove that rear side the first rotating bar rear end face is arranged in, stroke trench bottom is arranged in
Multiple detent slots, the sliding plate that stroke groove top portion is arranged in, are arranged in sliding plate the third dovetail groove that stroke groove top portion is arranged in
The fixation shell of rear end face, the pull rod for being fixed at fixed shell rear end face, the first space being arranged in sliding plate, setting
In the intracorporal second space of set casing, the pressing plate that can be arranged in up or down in the first space, it is fixed at pressing plate
Stretching slot of first space close to one end of detent slot is arranged in first inclined plate of front end face.
The support device further includes that setting is movably disposed at the second inclined plate stretched out in slot, is fixed at second
The supporting plate of inclined plate one end, is fixed at the push and pull springs being fixed between the second inclined plate and second space left end wall
The cylindrical shell of fixed shell upper surface is arranged in the intracorporal cylindrical space of cylindrical shell.
The support device further includes being arranged on cylindrical space inner wall and with the extraneous annular groove being connected, setting in circle
Multiple first limiting slots of column space inner wall, are fixed at outside shaft the shaft for being rotatably arranged on cylindrical space front and back end wall
The armature on surface.
The support device further includes the second limiting slot being arranged on armature, is fixed at armature side
Fixation square bar, the third limiting slot being connected in fixed square bar and with the second limiting slot is set, is movably disposed at the
It is push plate in three limiting slots, the third inclined plate for being fixed at push plate lower end, the pushing block plate for being fixed at pushing block upper end, removable
4th inclined plate of the second limit trench bottom is set dynamicly.
The support device further include be fixed at the 4th inclined plate and second limit trench bottom mobile spring, fixation set
Set the 4th inclined plate one end rectangular block, third limiting slot front bulkhead is set the 4th dovetail groove, be movably disposed at
In four dovetail grooves and the 4th trapezoid block being fixedly connected with push plate, the fixed link for being fixed at fixed square bar front end face, when solid
Fixed shell is when being fixedly connected with sliding plate, and the first space is connected with second space.
In conclusion stranger's collision can be avoided to set when in use the invention has the following advantages that the device structure is simple
For making to stand, the people operated in equipment falls from equipment, to strengthen the stability of equipment.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is partial enlarged view at the B in Fig. 1；
Fig. 3 is partial enlarged view at the C in Fig. 1；
Fig. 4 is main view of the invention；
Fig. 5 is sectional block diagram at the D-D in Fig. 4；
Fig. 6 is left view of the invention；
Fig. 7 is cross-sectional view at the E-E in Fig. 6;
Fig. 8 is sectional block diagram at the E-E in Fig. 6；
Fig. 9 is partial enlarged view at the F in Fig. 8.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As shown in figs 1-9, to achieve the goals above, the invention adopts the following technical scheme: a kind of Domestic staircase, including
Mounting plate 1, two driving holes for being separately positioned on the end of mounting plate 1 or so, the first rotation axis being rotatably arranged in the driving hole of left end
2, two the first rotating bars 3 of 2 outer surface of the first rotation axis front and back side are fixed at, are respectively fixedly disposed at two first turn
Six the first fixed links 4 between lever 3, the second rotation axis 100 being rotatably arranged in the driving hole of right side are fixedly installed respectively
Before and after 100 outer surface of the second rotation axis two the second rotating bars 101 of side, be respectively fixedly disposed at two the second rotating bars it
Between six the second fixed links 101, further include two grooves being respectively fixedly disposed in two the first rotating bars 3, fixed setting
The first fagging 56 before and after the groove between end wall, the second support being fixed at before and after the first fagging 56 and groove between end wall
Plate 57, the safety device that 1 downside of mounting plate is set, the support device that 1 left side of mounting plate is set；The safety device includes
Be fixed at front side the first rotating bar 3 on the first support plate 9, be arranged on 9 side of the first support plate the first dovetail groove,
The first trapezoid block that can be arranged in up or down in the first dovetail groove, the first pressing for being fixed at first trapezoid block one end
Bar 10, is rotatably arranged on two the first rotating holes two the first rotating holes being separately positioned in the first rotating bar of front and back side 3
The 4th rotation axis 117, be respectively fixedly disposed at 117 front and back side of the 4th rotation axis first connecting rod 12, be fixed at first
The fixing axle 290 of 12 one end of connecting rod, the first spill spin block 13 being fixed on first connecting rod 12 are fixed at front and back side
First snap-gauge 14 of the opposite one end end face of one rotating bar 3, the second support plate 15 being arranged in the second rotating bar of front side 101,
The second dovetail groove for being arranged on 15 side of the second support plate, can be arranged in up or down in the second dovetail groove second are trapezoidal
Block, the second pressing lever 16 for being fixed at second trapezoid block one end, be separately positioned in the second rotating bar of front and back side 101 two
A second rotating hole, the 5th rotation axis 17 being rotatably arranged on two the second rotating holes are respectively fixedly disposed at the 5th rotation
Two second connecting rods 18 of 17 outer surface of axis front and back side, two arc panels for being respectively fixedly disposed at two 18 left ends of second connecting rod
304, before being fixed at the second swivel plate 19 of front side 18 right end of second connecting rod, being fixed at the second rotating bar 101 of front side
Second snap-gauge 20 of end face is respectively fixedly disposed at two first torsions between the 4th transmission shaft 117 and two the first rotating bars 3
Spring, two the second torsional springs being respectively fixedly disposed between the 5th transmission shaft 17 and two the second rotating bars 101；With hand by two
Second rotating bar rotates clockwise, and makes two the second rotating bars and two the first rotating bars in 45 degree, first connecting rod and the
Two connecting rods are rotated down simultaneously under the action of the first torsional spring and the second torsional spring, push down on the first pressing lever with hand, first presses
Compression bar drives the rotation of the first spill spin block, and the first spill spin block drives first connecting rod to rotate upwards, and two the first rotating bars are counterclockwise
Rotation makes two first connecting rods unclamp the first pressing lever when reaching above two second connecting rods, and two first connecting rods revolve clockwise
Turn to be in contact with two second connecting rods, is moved to the left two first connecting rods, is located at fixing axle in arc panel 304, so as to
When working on operator's staircase, when there is other people accidentally to kick the foot of staircase, two second connecting rods can be with two
A first connecting rod resists, so that two the first rotating bars or two the second rotating bars be avoided to draw close and make both when being collided
Equipment is unstable, so as to avoid the equipment in use because external force factor makes two the first rotating bars and two second rotation senses
The safety accident for dropping personnel is drawn close, to increase the stability of the equipment；After ladder use, first press downwards
First pressing lever rotates first connecting rod counterclockwise, then pressing the second pressing lever rotates clockwise second connecting rod, by first
Rotating bar rotates counterclockwise draws close with the second rotating bar, so as to make ladder that can be convenient for collapsing after use, thus
Save the space occupied of equipment.
The support device includes the stroke groove that 3 rear end face of the first rotating bar of rear side is arranged in, eight detent slots, third ladder
Shape slot, sliding plate 21, fixed shell 22, pull rod 23, the first space, second space, pressing plate 24, the first inclined plate 25, stretch out slot,
Second inclined plate 26, supporting plate 27, push and pull springs, cylindrical shell 28, cylindrical space, annular groove, 12 the first limiting slots, shaft
29, armature 30, the second limiting slot, fixed square bar 31, third limiting slot, push plate 32, third inclined plate 428, pushing block plate 150,
4th inclined plate 101, mobile spring, rectangular block 102, the 4th dovetail groove, the 4th trapezoid block, fixed link 132, eight detent slots
Setting is in stroke trench bottom, and in stroke groove top portion, the sliding plate 21 is arranged in stroke groove top portion for the third dovetail groove setting,
The fixed shell 22 is arranged in 21 rear end face of sliding plate, and the pull rod 23 is fixed at fixed 22 rear end face of shell, described
First space is arranged in sliding plate 21, second space setting in fixed shell 22, the pressing plate 24 can on move down
It is arranged in the first space dynamicly, first inclined plate 25 is fixed at 24 front end face of pressing plate, and the stretching slot setting exists
First space is close to one end of detent slot, and second inclined plate 26, which is movably disposed at, to be stretched out in slot, and the supporting plate 27 is fixed
It is arranged in 26 one end of the second inclined plate, the push and pull springs are fixed between the second inclined plate 26 and second space left end wall, institute
It states cylindrical shell 28 and is fixed at fixed 22 upper surface of shell, the cylindrical space is arranged in cylindrical shell 28, the circle
Annular groove is arranged on cylindrical space inner wall and is connected with the external world, and 12 first limiting slots are arranged in cylindrical space
Wall, the shaft 29 are rotatably arranged on end wall before and after cylindrical space, and the armature 30 is fixed at 29 outer surface of shaft,
Second limiting slot is arranged on armature 30, and the fixed square bar 31 is fixed at 30 side of armature, described
The setting of third limiting slot is connected in fixed square bar 31 and with the second limiting slot, and the push plate 32 is movably disposed at third
In limiting slot, the third inclined plate 428 is fixed at 32 lower end of push plate, and the pushing block plate 150 is fixed on pushing block 31
End, the 4th inclined plate 101 are movably disposed at the second limit trench bottom, and the mobile spring is fixed at the 4th inclined plate
101 and second limit trench bottom, and the rectangular block 102 is fixed at 101 one end of the 4th inclined plate, the 4th dovetail groove setting
In third limiting slot front bulkhead, the 4th trapezoid block, which is movably disposed in the 4th dovetail groove and fixes with push plate 31, to be connected
It connects, the fixed link 132 is fixed at fixed 31 front end face of square bar, when fixed shell 22 is to be fixedly connected with sliding plate 21
When, the first space is connected with second space;When people station is constructed in the first fixed link 4, pressing plate 24 is pressed downwards,
Pressing plate 24 drives the second inclined plate 26 to be moved to the left, and the second inclined plate 26 drives supporting plate 27 to move right, and then pulls with hand pull rod
23 move up, and unclamp pressing plate 24 when drawing to required height, and the second inclined plate 26 is under the action of push and pull springs to moving to left
Dynamic, the second inclined plate 26 drives supporting plate 27 to be moved to the left into detent slot, squeezes pushing block plate 150 with hand, and pushing block plate 150 drives the
Five skewbacks 101 are mobile far from the first limiting slot, to drive rectangular block 102 mobile far from the first limiting slot, rotate fixation by hand
Bar 132 unclamps pushing block plate 150 when rotating to desired position, and the 5th skewback 101 is under the action of mobile spring towards the second limit
Position slot is mobile, and the 5th skewback 101 drives rectangular block 102 to enter in the first limiting slot, so as to which fixed link 132 is fixed on institute
Position is needed, so as to which one, people back support force can be given when people constructs, is carried out in equipment so as to uprightly stand
Work, works in equipment without tilting body, constructs in equipment to easily facilitate operator station, makes equipment
It is more humane；By setting inclined-plane for the lower surface of the second inclined plate 25, inclined-plane is set by the upper surface of the second skewback 26, is led to
The cooperation on two inclined-planes is crossed so as to drive the second skewback 26 mobile far from detent slot when the second skewback 25 moves down；Passing through will
One end end face of third inclined plate 428 is set as inclined-plane, sets inclined-plane for one end end face of the 4th inclined plate 101, tiltedly by two
The cooperation in face is so as to drive rectangular block 102 mobile far from limiting slot, so as to adjust fixed link according to the actual situation
Position, to make equipment that the people of different building shape is suitble to use, to keep equipment application more extensive；After usage, it only needs to use
Hand squeezes pushing block plate 150, is then rotated down fixed link, so that it may which fixed link 132 is moved to 4 side of the first fixed link.
Two ropes have been respectively fixedly connected between described two first rotating bars 3 and two the second rotating bars 101.
The rope is made of the winding of multiply terylene rope.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (10)
1. a kind of Domestic staircase, it is characterised in that: including mounting plate (1), be separately positioned on two transmissions at mounting plate (1) left and right end
Hole, the first rotation axis (2) being rotatably arranged in the driving hole of left end are fixed at side before and after the first rotation axis (2) outer surface
Two the first rotating bars (3), multiple first fixed links (4) for being respectively fixedly disposed between two the first rotating bars (3), turn
Dynamic the second rotation axis (100) being arranged in the driving hole of right side is respectively fixedly disposed at before and after the second rotation axis (100) outer surface
Two the second rotating bars (101) of side, multiple second fixed links being respectively fixedly disposed between two the second rotating bars
(101), further include two grooves being respectively fixedly disposed on two the first rotating bars (3), be fixed at end wall before and after groove
Between the first fagging (56), be fixed at the second fagging (57) before and after the first fagging (56) and groove between end wall, set
Set the safety device on the downside of mounting plate (1), the support device being arranged on the left of mounting plate (1)；The safety device includes solid
Fixed setting is in the first ladder of the first support plate (9), setting on the first support plate (9) side in the first rotating bar of front side (3)
Shape slot, the first trapezoid block that can be arranged in up or down in the first dovetail groove, be fixed at first trapezoid block one end
One pressing lever (10).
2. Domestic staircase according to claim 1, it is characterised in that: the safety device further includes being separately positioned on front and back side
Two the first rotating holes in one rotating bar (3), the 4th rotation axis (117) being rotatably arranged on two the first rotating holes, point
It is not fixed at the first connecting rod (12) of the 4th rotation axis (117) front and back side, is fixed at first connecting rod (12) one end
Fixing axle (290).
3. Domestic staircase according to claim 2, it is characterised in that: the safety device further includes being fixed at first connecting rod
(12) the first spill spin block (13) on, the first snap-gauge for being fixed at the opposite one end end face of the first rotating bar of front and back side (3)
(14), be arranged in the second rotating bar of front side (101) the second support plate (15), be arranged on the second support plate (15) side
Second dovetail groove, the second trapezoid block that can be arranged in up or down in the second dovetail groove.
4. Domestic staircase according to claim 3, it is characterised in that: the safety device further includes that be fixed at second trapezoidal
Second pressing lever (16) of block one end, two the second rotating holes being separately positioned in the second rotating bar of front and back side (101), rotation
The 5th rotation axis (17) that is arranged on two the second rotating holes is respectively fixedly disposed at before and after the 5th rotation axis (17) outer surface
Two second connecting rods (18) of side, two arc panels (304) for being respectively fixedly disposed at two second connecting rod (18) left ends.
5. Domestic staircase according to claim 4, it is characterised in that: the safety device further includes being fixed at front side second
Second swivel plate (19) of connecting rod (18) right end, the second snap-gauge for being fixed at front side the second rotating bar (101) front end face
(20), two the first torsional springs between the 4th transmission shaft (117) and two the first rotating bars (3) are respectively fixedly disposed at, are consolidated respectively
Fixed two the second torsional springs being arranged between the 5th transmission shaft (17) and two the second rotating bars (101).
6. Domestic staircase according to claim 1, it is characterised in that: the support device includes being arranged in the first rotating bar of rear side
(3) stroke groove of rear end face, multiple detent slots that stroke trench bottom is set, the third dovetail groove that stroke groove top portion is set,
Be arranged in stroke groove top portion sliding plate (21), setting sliding plate (21) rear end face fixation shell (22), be fixed at
The pull rod (23) of fixed shell (22) rear end face, the first space being arranged in sliding plate (21), setting are in fixed shell (22)
Interior second space, the pressing plate (24) that can be arranged in up or down in the first space, before being fixed at pressing plate (24)
Stretching slot of first space close to one end of detent slot is arranged in the first inclined plate (25) of end face.
7. Domestic staircase according to claim 6, it is characterised in that: the support device further includes that setting is movably disposed at
Stretch out slot in the second inclined plate (26), be fixed at the second inclined plate (26) one end supporting plate (27), be fixed at second tiltedly
Push and pull springs between plate (26) and second space left end wall, the cylindrical shell for being fixed at fixed shell (22) upper surface
(28), the cylindrical space being arranged in cylindrical shell (28).
8. Domestic staircase according to claim 7, it is characterised in that: the support device further includes being arranged in cylindrical space inner wall
It is upper and be connected with the external world annular groove, cylindrical space inner wall is set multiple first limiting slots, be rotatably arranged on cylinder sky
Between front and back end wall shaft (29), be fixed at the armature (30) of shaft (29) outer surface.
9. Domestic staircase according to claim 8, it is characterised in that: the support device further includes being arranged in armature (30)
On the second limiting slot, be fixed at armature (30) side fixation square bar (31), setting is in fixed square bar (31)
And be connected with the second limiting slot third limiting slot, be movably disposed in third limiting slot push plate (32), fixation set
Set third inclined plate (428) in push plate (32) lower end, the pushing block plate (150), movably that is fixed at pushing block (31) upper end
4th inclined plate (101) of the second limit trench bottom is set.
10. Domestic staircase according to claim 9, it is characterised in that: the support device further includes being fixed at the 4th tiltedly
Plate (101) limits the mobile spring of trench bottom with second, the rectangular block (102) for being fixed at the 4th inclined plate (101) one end, sets
Set third limiting slot front bulkhead the 4th dovetail groove, be movably disposed in the 4th dovetail groove and with push plate (31) are fixed connects
The 4th trapezoid block that connects, the fixed link (132) for being fixed at fixed square bar (31) front end face, when fixed shell (22) and sliding
Plate (21) is when being fixedly connected, and the first space is connected with second space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691306.9A CN110374488B (en) | 2019-07-29 | 2019-07-29 | Domestic staircase |
| CN202010853228.0A CN112031632A (en) | 2019-07-29 | 2019-07-29 | Higher domestic staircase of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691306.9A CN110374488B (en) | 2019-07-29 | 2019-07-29 | Domestic staircase |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010853228.0A Division CN112031632A (en) | 2019-07-29 | 2019-07-29 | Higher domestic staircase of security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374488A true CN110374488A (en) | 2019-10-25 |
| CN110374488B CN110374488B (en) | 2020-11-10 |
Family
ID=68256950
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910691306.9A Active CN110374488B (en) | 2019-07-29 | 2019-07-29 | Domestic staircase |
| CN202010853228.0A Withdrawn CN112031632A (en) | 2019-07-29 | 2019-07-29 | Higher domestic staircase of security |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010853228.0A Withdrawn CN112031632A (en) | 2019-07-29 | 2019-07-29 | Higher domestic staircase of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110374488B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2942220A1 (en) * | 1979-10-18 | 1981-05-07 | Hymer Leichtmetallbau Ingenieur Erwin Hymer, 7988 Wangen | SPREADING PROTECTION OF A MULTI-PIECE LADDER |
| CN205502989U (en) * | 2016-03-25 | 2016-08-24 | 国网山东省电力公司莱芜供电公司 | Folded cascade electric power support |
| JP2016153547A (en) * | 2015-02-20 | 2016-08-25 | 施昌邑 | A-shaped aluminum stepladder fall prevention device |
| CN208220619U (en) * | 2018-03-06 | 2018-12-11 | 国网甘肃省电力公司经济技术研究院 | A kind of electrical repair ladder stand |
| CN208380484U (en) * | 2018-05-03 | 2019-01-15 | 嘉兴东誉建设有限公司 | A kind of building ladder |
-
2019
- 2019-07-29 CN CN201910691306.9A patent/CN110374488B/en active Active
- 2019-07-29 CN CN202010853228.0A patent/CN112031632A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2942220A1 (en) * | 1979-10-18 | 1981-05-07 | Hymer Leichtmetallbau Ingenieur Erwin Hymer, 7988 Wangen | SPREADING PROTECTION OF A MULTI-PIECE LADDER |
| JP2016153547A (en) * | 2015-02-20 | 2016-08-25 | 施昌邑 | A-shaped aluminum stepladder fall prevention device |
| CN205502989U (en) * | 2016-03-25 | 2016-08-24 | 国网山东省电力公司莱芜供电公司 | Folded cascade electric power support |
| CN208220619U (en) * | 2018-03-06 | 2018-12-11 | 国网甘肃省电力公司经济技术研究院 | A kind of electrical repair ladder stand |
| CN208380484U (en) * | 2018-05-03 | 2019-01-15 | 嘉兴东誉建设有限公司 | A kind of building ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112031632A (en) | 2020-12-04 |
| CN110374488B (en) | 2020-11-10 |
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Effective date of registration: 20201020 Address after: 318020 No.1-5 Jinniu Road, Xinqian street, Huangyan District, Taizhou City, Zhejiang Province Applicant after: Taizhou Huangyan Haibao household products Co., Ltd Address before: 310000 East Lake Street, Yuhang District, Hangzhou City, Zhejiang Province, 246 Chaofeng East Road 207 Applicant before: Hangzhou Youlin Electronics Co.,Ltd. |
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