CN110344748B - Domestic staircase that durability is high - Google Patents
Domestic staircase that durability is high Download PDFInfo
- Publication number
- CN110344748B CN110344748B CN201910736036.9A CN201910736036A CN110344748B CN 110344748 B CN110344748 B CN 110344748B CN 201910736036 A CN201910736036 A CN 201910736036A CN 110344748 B CN110344748 B CN 110344748B
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- Prior art keywords
- support
- fixedly arranged
- supporting
- face
- locking device
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- 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
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- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a household staircase with high durability, which comprises a support, two supporting devices respectively arranged at the left end and the right end of the support, a first locking device arranged between the front side of the support and the supporting device at the left end, a second locking device arranged between the rear side of the support and the supporting device at the right side, and two stretching devices arranged at the front side and the rear side of the support, wherein the first locking device is arranged between the front side of the support and the supporting device at the left end; the supporting device at the left end comprises two hinges which are respectively rotatably arranged on the front end surface and the rear end surface of the support, and two unfolding rods which are respectively fixedly arranged at the lower ends of the two hinges, wherein a plurality of supporting holes are respectively fixedly arranged on the two unfolding rods.
Description
Technical Field
The invention belongs to the field of household escalators with high durability, and particularly relates to a household escalator with high durability.
Background
The ladder is a tool for helping people to work aloft. At home, especially in families living in rural areas, people often touch high altitude to hang or take things and need to use a ladder, but the safety of the existing household ladder with high durability is poor, and the middle part of the ladder or the middle part of a pedal can be bent due to the overlong service time of the ladder, so that potential safety hazards are easily generated.
Disclosure of Invention
The invention provides a household escalator with high durability in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a household staircase with high durability comprises a support, two support devices respectively arranged at the left end and the right end of the support, a first locking device arranged between the front side of the support and the left end support device, a second locking device arranged between the rear side of the support and the right side support device, and two stretching devices arranged at the front side and the rear side of the support; the supporting device at the left end comprises two hinges which are respectively rotatably arranged on the front end surface and the rear end surface of the support, and two unfolding rods which are respectively fixedly arranged at the lower ends of the two hinges, wherein a plurality of supporting holes are respectively fixedly arranged on the two unfolding rods.
A supporting rod is arranged in every two supporting holes between the two unfolding rods, the two supporting devices at the left end and the right end are arranged in a bilateral symmetry mode, and the two unfolding rods are arranged at the front end of the support and the rear end of the support respectively.
The support rod is internally provided with a hollow groove which is through from front to back, the cross section of the hollow groove is wavy, and the longitudinal section of the support rod is arched.
The first locking device comprises a first transmission shaft, a first connecting plate, a rectangular groove, a second connecting plate, a limiting shaft and a limiting rod, wherein the first transmission shaft is rotatably arranged on the front end face of the support, the first connecting plate is fixedly arranged at the front end of the first transmission shaft, the rectangular groove is arranged on the first connecting plate, the second connecting plate is fixedly arranged on the rear end face of a front end hinge on the left end supporting device, the limiting shaft is rotatably arranged on the front end face of the second connecting plate and is located in the rectangular groove, and the limiting rod is fixedly arranged on the outer surface of.
The first locking device further comprises a torsion spring fixedly arranged between the second connecting plate and the limiting shaft, a trapezoidal groove arranged on the front end face of the first connecting plate, a moving plate arranged on the front side of the trapezoidal groove, a trapezoidal block fixedly arranged on the rear end face of the moving plate and capable of moving up and down in the trapezoidal groove, a plurality of triangular teeth fixedly arranged on the upper end face of the moving plate, two clamping blocks fixedly arranged on the left end face and the right end face of the triangular teeth respectively, a lifting spring fixedly arranged at the bottom of the trapezoidal block and the trapezoidal groove, a pull rod fixedly arranged at the lower end of the first moving plate, and the first locking device and the second locking device are arranged in a bilateral symmetry mode.
The stretching device on the front side comprises two fixed plates fixedly arranged on the front end supporting rods on the two supporting devices respectively, two second transmission shafts rotatably arranged on the front end faces of the two fixed plates respectively, two third connecting plates fixedly arranged on the outer surfaces of the two second transmission shafts respectively, and two connecting plates fixedly arranged at one ends of the two third connecting plates respectively.
The front stretching device further comprises two through holes respectively formed in the two connecting plates, and a connecting shaft rotatably arranged in the two through holes, the front stretching device and the rear stretching device are symmetrically arranged in the front-back direction, and the two connecting plates are arranged in a front-back staggered manner.
In summary, the invention has the following advantages: the ladder is simple in structure, and the ladder can be prevented from being bent due to overlong service time through the supporting device, so that the ladder is safer and more durable.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partially enlarged view of fig. 1 at B.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-3, in order to achieve the above purpose, the present invention adopts the following technical solutions: the utility model provides a domestic staircase that durability is high, includes support 1, sets up two strutting arrangement of left and right ends on support 1 respectively, sets up the first device of dying of locking between support 1 front side and left end strutting arrangement, sets up the second device of dying between support 1 rear side and right side strutting arrangement, sets up two stretching device in support 1 front and back side.
The support device of left end is including rotating two hinges 2 that set up terminal surface around support 1 respectively, fixed two exhibition poles 3 that set up at two hinges 2 lower extreme respectively, fixed a plurality of supported holes that are provided with respectively on two exhibition poles 3, be provided with a bracing piece 4 in per two supported holes between on two exhibition poles 3, two support device of left and right ends are bilateral symmetry setting, two exhibition poles 3 set up respectively in support 1 front end and support 1 rear end.
A hollow groove which is through from front to back is arranged in the support rod 4, the cross section of the hollow groove is wavy, and the longitudinal section of the support rod 4 is arched; the longitudinal section is arched to bear larger supporting force, so that the supporting rod can be prevented from being bent due to overlong service time, the inner wall can be supported by a plurality of arched structures through the wavy arrangement, and the bending resistance of the supporting rod can be stronger; by providing the support rods 4 all as hollow, the weight of the apparatus can be reduced.
The first locking device comprises a first transmission shaft rotatably arranged on the front end face of the support 1, a first connecting plate 22 fixedly arranged at the front end of the first transmission shaft, a rectangular groove arranged on the first connecting plate 22, a second connecting plate 23 fixedly arranged on the rear end face of the front end hinge 2 on the left end supporting device, a limiting shaft 24 rotatably arranged on the front end face of the second connecting plate 23 and positioned in the rectangular groove, a limiting rod 125 fixedly arranged on the outer surface of the limiting shaft, a torsion spring fixedly arranged between the second connecting plate 23 and the limiting shaft 24, a trapezoidal groove arranged on the front end face of the first connecting plate 22, a moving plate 25 arranged on the front side of the trapezoidal groove, a trapezoidal block moving plate fixedly arranged on the rear end face of the trapezoidal groove 25 and capable of moving up and down in the trapezoidal groove, a plurality of triangular teeth 26 fixedly arranged on the upper end face of the moving plate 25, two clamping blocks 27 fixedly arranged on the left and right end faces of the triangular teeth 26 respectively, a lifting spring fixedly arranged on the bottoms of the trapezoidal block and the trapezoidal, The pull rod 527 fixedly arranged at the lower end of the first moving plate 25, the plurality of through holes arranged on the outer surface of the limiting shaft 24, the first locking device and the second locking device are arranged in a bilateral symmetry manner; the platform at the uppermost end of the ladder can be enlarged through the arrangement of the four hinges, so that tools required in construction can be placed, repeated ladder ascending and descending are not needed to take construction tools, and when the supporting device at the left end is moved leftwards, the limiting shaft 24 slides in the rectangular groove, so that the use height of the ladder can be adjusted according to actual needs; the supporting device at the left end can be clamped by the first locking device through the arrangement of the first locking device and the second locking device, and the supporting device at the right end can be clamped by the second locking device in the same method, so that when a ratchet wheel in the existing hinge is damaged, the first locking device and the second locking device can be used for clamping the two supporting devices at the left end and the right end, the situation that an operator falls off the ladder because the ladder cannot keep a stable and upright state due to the damage of the ratchet wheel in the hinge is avoided, safety accidents are avoided, and the safety of equipment is improved; the upper and lower surfaces of the two unfolding rods 3 are both arranged to be arched, so that the supporting force of the unfolding rods 3 can be improved, and the middle parts of the unfolding rods 3 are prevented from being bent in the using process; the triangular teeth are sequentially arranged from left to right in an increasing manner, so that the problem that when the triangular teeth are clamped in the through holes when the ladder is not fully unfolded, the triangular teeth cannot be completely clamped in the through holes due to too low height of the triangular teeth can be avoided, and the stability of the equipment is improved; when the triangular teeth are not clamped in the through holes, the triangular teeth with the overhigh right sides can drive the limiting plate 25 to rotate anticlockwise, and the triangular teeth stop rotating when being clamped in the through holes, so that the ladder can be conveniently positioned, and the ladder is more convenient to use; the intensity of triangle tooth is broken by the card in perforating inadequately when can avoiding using through the setting of two cardboard to intensity has been increased, thereby makes equipment usage safer.
The stretching device of front side is including two fixed plates 5 on the front end bracing piece 4 of fixed setting on two strutting arrangement respectively, rotate two second transmission shafts that set up terminal surface before two fixed plates 5 respectively, two third even boards 6 of fixed setting at two second transmission shaft surfaces respectively, two connecting plates 8 of fixed setting at two third even boards 6 one end respectively, set up two perforations on two connecting plates 8 respectively, rotate the connecting axle that sets up in two perforations, the stretching device of front side and the stretching device of rear side are the front and back symmetry setting, two connecting plates 8 are front and back dislocation set.
The hinge is prior art and will not be described in detail.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (1)
1. The utility model provides a domestic staircase that durability is high which characterized in that: the device comprises a support (1), two supporting devices respectively arranged at the left end and the right end of the support (1), a first locking device arranged between the front side of the support (1) and the supporting device at the left end, a second locking device arranged between the rear side of the support (1) and the supporting device at the right side, and two stretching devices arranged at the front side and the rear side of the support (1); the supporting device at the left end comprises two hinges (2) which are respectively and rotatably arranged on the front end surface and the rear end surface of the support (1) and two unfolding rods (3) which are respectively and fixedly arranged at the lower ends of the two hinges (2), and a plurality of supporting holes are respectively and fixedly arranged on the two unfolding rods (3);
a supporting rod (4) is arranged in each two supporting holes between the two unfolding rods (3), the two supporting devices at the left end and the right end are arranged in a bilateral symmetry manner, and the two unfolding rods (3) are respectively arranged at the front end of the support (1) and the rear end of the support (1);
a hollow groove which is through from front to back is formed in the supporting rod (4), the cross section of the hollow groove is wavy, and the longitudinal cross section of the supporting rod (4) is arched;
the first locking device comprises a first transmission shaft rotatably arranged on the front end face of the support (1), a first connecting plate (22) fixedly arranged at the front end of the first transmission shaft, a rectangular groove arranged on the first connecting plate (22), a second connecting plate (23) fixedly arranged on the rear end face of a front end hinge (2) on the left end supporting device, a limiting shaft (24) rotatably arranged on the front end face of the second connecting plate (23) and positioned in the rectangular groove, and a limiting rod (125) fixedly arranged on the outer surface of the limiting shaft;
the first locking device further comprises a torsion spring fixedly arranged between the second connecting plate (23) and the limiting shaft (24), a trapezoidal groove arranged on the front end face of the first connecting plate (22), a moving plate (25) arranged on the front side of the trapezoidal groove, a trapezoidal block fixedly arranged on the rear end face of the moving plate (25) and capable of moving up and down in the trapezoidal groove, a plurality of triangular teeth (26) fixedly arranged on the upper end face of the moving plate (25), two clamping blocks (27) fixedly arranged on the left end face and the right end face of the triangular teeth (26) respectively, lifting springs fixedly arranged at the bottoms of the trapezoidal block and the trapezoidal groove, and a pull rod (527) fixedly arranged at the lower end of the first moving plate (25), wherein the first locking device and the second locking device are arranged in bilateral symmetry;
the front stretching device comprises two fixed plates (5) which are respectively fixedly arranged on front end supporting rods (4) on the two supporting devices, two second transmission shafts which are respectively rotatably arranged on the front end surfaces of the two fixed plates (5), two third connecting plates (6) which are respectively fixedly arranged on the outer surfaces of the two second transmission shafts, and two connecting plates (8) which are respectively fixedly arranged at one ends of the two third connecting plates (6);
the front stretching device also comprises two through holes respectively arranged on the two connecting plates (8) and a connecting shaft rotatably arranged in the two through holes, the front stretching device and the rear stretching device are symmetrically arranged from front to back, and the two connecting plates (8) are arranged in a staggered manner from front to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736036.9A CN110344748B (en) | 2019-08-09 | 2019-08-09 | Domestic staircase that durability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736036.9A CN110344748B (en) | 2019-08-09 | 2019-08-09 | Domestic staircase that durability is high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344748A CN110344748A (en) | 2019-10-18 |
| CN110344748B true CN110344748B (en) | 2020-11-03 |
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ID=68184526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736036.9A Active CN110344748B (en) | 2019-08-09 | 2019-08-09 | Domestic staircase that durability is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344748B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523674B (en) * | 2021-01-05 | 2023-08-08 | 国网江苏省电力有限公司宿迁供电分公司 | Outdoor electric power overhaul ladder with bottom height |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200429498Y1 (en) * | 2006-08-04 | 2006-10-23 | 이영학 | The workbench where the level control is possible |
| US9097063B2 (en) * | 2006-12-22 | 2015-08-04 | Werner Co. | Flip ladder with tray and method |
| CN205243229U (en) * | 2015-12-23 | 2016-05-18 | 合肥嘉伟装饰工程有限责任公司 | A wind brace for door motor -operated switch |
| CN205977082U (en) * | 2016-08-31 | 2017-02-22 | 金华市亚虎工具有限公司 | A crosspiece for on cat ladder |
| CN207620690U (en) * | 2017-05-19 | 2018-07-17 | 广州沙索自动化装备有限公司 | A kind of self-service ladder |
-
2019
- 2019-08-09 CN CN201910736036.9A patent/CN110344748B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200429498Y1 (en) * | 2006-08-04 | 2006-10-23 | 이영학 | The workbench where the level control is possible |
| US9097063B2 (en) * | 2006-12-22 | 2015-08-04 | Werner Co. | Flip ladder with tray and method |
| CN205243229U (en) * | 2015-12-23 | 2016-05-18 | 合肥嘉伟装饰工程有限责任公司 | A wind brace for door motor -operated switch |
| CN205977082U (en) * | 2016-08-31 | 2017-02-22 | 金华市亚虎工具有限公司 | A crosspiece for on cat ladder |
| CN207620690U (en) * | 2017-05-19 | 2018-07-17 | 广州沙索自动化装备有限公司 | A kind of self-service ladder |
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| Publication number | Publication date |
|---|---|
| CN110344748A (en) | 2019-10-18 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200927 Address after: No.88, tangtoushan, QIANJIAO village, Yutou Township, 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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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
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: No.88, tangtoushan, QIANJIAO village, Yutou Township, Huangyan District, Taizhou City, Zhejiang Province Applicant before: Taizhou Huangyan Haibao household products Co., Ltd |
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| CB02 | Change of applicant information | ||
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| GR01 | Patent grant |